/* =================================================================
   Lokesh Kumar — Automation & AI Engineer
   Design System v3 · "Engineered"
   Dark-first · Lime signal accent · Space Grotesk + JetBrains Mono
   ================================================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;700&family=Space+Grotesk:wght@500;600;700&display=swap');

/* ---------- Design Tokens ---------- */
:root {
    /* Brand — Vibrant UiPath Electric Orange (#FA4616) & Cyber Navy (#001E42) */
    --accent-fill: #FA4616;          /* Vibrant Electric Orange */
    --on-accent: #ffffff;            /* High contrast crisp white text on accent */

    /* Theme-aware accent (text/icons/borders) */
    --accent-rgb: 250, 70, 22;
    --accent-glow: rgba(var(--accent-rgb), 0.45);
    --card-glow: linear-gradient(90deg, transparent, var(--accent), transparent);

    /* Vibrant Gradients */
    --grad: linear-gradient(135deg, #FA4616 0%, #FF6B00 50%, #FF9E00 100%);
    --grad-cyan: linear-gradient(135deg, #00F0FF 0%, #0088FF 100%);
    --grad-emerald: linear-gradient(135deg, #00FF88 0%, #10B981 100%);

    /* Aliases */
    --color-accent-primary: var(--accent);

    /* Typography */
    --font-display: 'Space Grotesk', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

    /* Radii */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;

    /* Spacing scale */
    --space-sm: 1.5rem;
    --space-md: 2.5rem;
    --space-lg: 4.5rem;
    --space-xl: 8rem;

    /* Motion */
    --transition-fast: 0.22s cubic-bezier(0.16, 1, 0.3, 1);
    --transition: 0.45s cubic-bezier(0.16, 1, 0.3, 1);

    /* Shadows */
    --shadow-sm: 0 4px 15px rgba(0, 0, 0, 0.3);
    --shadow-soft: 0 20px 60px -15px rgba(0, 30, 66, 0.7);
    --shadow-lg: 0 40px 100px -25px rgba(250, 70, 22, 0.35);
}

/* ---------- Dark Theme (Default) ---------- */
:root,
[data-theme="dark"] {
    --bg-primary: #0a0b0d;
    --bg-primary-rgb: 10, 11, 13;
    --bg-secondary: #121417;
    --bg-elevated: #1a1d21;
    --bg-dark: #050607;
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.16);
    --text-primary: #f6f6f1;
    --text-secondary: #9a9b95;
    --text-muted: #5e6059;

    --accent: #cdf564;
    --accent-rgb: 205, 245, 100;
    --on-accent: #0a0b0d;
    --accent-hover: #bfe854;
    --accent-soft: #e2ff88;
    --grid-line: rgba(255, 255, 255, 0.03);

    --color-bg-primary: #0a0b0d;
    --color-bg-secondary: #121417;
    --glass-bg: rgba(18, 20, 23, 0.7);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-border-hover: rgba(205, 245, 100, 0.4);
    color-scheme: dark;
}

/* ---------- Light Theme (Modern Porcelain & Vibrant UiPath Flame) ---------- */
[data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-primary-rgb: 248, 250, 252;
    --bg-secondary: #ffffff;
    --bg-elevated: #ffffff;
    --bg-dark: #0f172a;
    --border: rgba(15, 23, 42, 0.08);
    --border-strong: rgba(15, 23, 42, 0.16);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;

    --accent: #FA4616;
    --accent-rgb: 250, 70, 22;
    --on-accent: #ffffff;
    --accent-hover: #e03b0e;
    --accent-soft: #ffedd5;
    --grid-line: rgba(15, 23, 42, 0.035);

    --color-bg-primary: #f8fafc;
    --color-bg-secondary: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.88);
    --glass-border: rgba(15, 23, 42, 0.08);
    --glass-border-hover: rgba(250, 70, 22, 0.4);
    --card-glow: linear-gradient(90deg, transparent, rgba(250, 70, 22, 0.4), transparent);
    --shadow-sm: 0 2px 10px rgba(15, 23, 42, 0.05);
    --shadow-soft: 0 16px 36px -8px rgba(15, 23, 42, 0.07);
    --shadow-lg: 0 25px 50px -12px rgba(15, 23, 42, 0.12);
    color-scheme: light;
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    /* Engineered blueprint grid + faint accent wash */
    background-image:
        radial-gradient(1100px circle at 82% -8%, rgba(var(--accent-rgb), 0.10), transparent 55%),
        linear-gradient(var(--grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
    background-size: 100% 100%, 56px 56px, 56px 56px;
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 1rem;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    transition: background-color 0.5s ease, color 0.5s ease;
    letter-spacing: -0.01em;
}

img {
    max-width: 100%;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

::selection {
    background: var(--accent-fill);
    color: var(--on-accent);
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 11px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: rgba(var(--accent-rgb), 0.35);
    border-radius: 10px;
    border: 3px solid var(--bg-dark);
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(var(--accent-rgb), 0.6);
}

/* ---------- Typography ---------- */
h1,
h2,
h3,
h4,
h5 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}

h1 {
    font-size: clamp(2.6rem, 6vw, 4.6rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3.1rem);
    margin-bottom: 1.25rem;
}

h3 {
    font-size: 1.45rem;
    margin-bottom: 0.75rem;
}

h4 {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

p {
    color: var(--text-secondary);
    margin-bottom: 1.1rem;
}

p:last-child {
    margin-bottom: 0;
}

strong {
    color: var(--text-primary);
    font-weight: 700;
}

.text-lead {
    font-size: 1.22rem;
    line-height: 1.7;
    color: var(--text-secondary);
    letter-spacing: -0.015em;
}

.text-gradient {
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

/* Monospace utility */
.mono {
    font-family: var(--font-mono);
    font-feature-settings: "ss01", "calt";
}

/* ---------- Modern helpers ---------- */
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    font-family: var(--font-mono);
    font-size: 0.74rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--accent);
    padding: 0.4rem 0.85rem 0.4rem 0.7rem;
    border-radius: 6px;
    background: rgba(var(--accent-rgb), 0.08);
    border: 1px solid rgba(var(--accent-rgb), 0.22);
}

.eyebrow .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent);
}

/* Section index label — "01 / Services" feel */
.sec-index {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    text-transform: uppercase;
}

.soft-card {
    position: relative;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-top: 1px solid rgba(255, 255, 255, 0.15); /* Premium inner glow */
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    padding: 2.1rem;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease, border-color 0.4s ease;
}

.soft-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg), 0 0 24px rgba(var(--accent-rgb), 0.15);
    border-color: var(--glass-border-hover);
}

.bento {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1.25rem;
}

.bento > * { grid-column: span 2; }
.bento .col-3 { grid-column: span 3; }
.bento .col-4 { grid-column: span 4; }
.bento .col-6 { grid-column: span 6; }

/* Pastel gradient blobs (kept for pages that use them) */
.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    z-index: 0;
    pointer-events: none;
    animation: blobDrift 22s ease-in-out infinite;
}

.blob-indigo { background: radial-gradient(circle, rgba(var(--accent-rgb), 0.34), transparent 70%); }
.blob-violet { background: radial-gradient(circle, rgba(95, 227, 176, 0.24), transparent 70%); animation-duration: 26s; animation-delay: -7s; }
.blob-pink { background: radial-gradient(circle, rgba(var(--accent-rgb), 0.18), transparent 70%); animation-duration: 30s; animation-delay: -13s; }

[data-theme="light"] .blob {
    opacity: 0.12;
    filter: blur(100px);
}

@keyframes blobDrift {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(26px, -22px) scale(1.08); }
    100% { transform: translate(0, 0) scale(1); }
}

@media (max-width: 860px) {
    .bento { grid-template-columns: 1fr; }
    .bento > *,
    .bento .col-3,
    .bento .col-4,
    .bento .col-6 { grid-column: 1 / -1; }
}

/* =================================================================
   Homepage — split hero / structure
   ================================================================= */

.hero-split {
    position: relative;
    overflow: hidden;
    padding: calc(var(--space-xl) + 50px) 0 var(--space-xl);
}

.hero-split-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.08fr 0.92fr;
    gap: 4rem;
    align-items: center;
}

.hero-copy h1 {
    font-size: clamp(2.9rem, 5.6vw, 4.8rem);
    line-height: 1.02;
    margin: 1.4rem 0 1.4rem;
    letter-spacing: -0.04em;
}

.hero-copy .text-lead {
    max-width: 540px;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2.2rem;
}

.hero-trust {
    display: flex;
    gap: 2.6rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.hero-trust .num {
    font-family: var(--font-display);
    font-size: 2.1rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    line-height: 1;
}

.hero-trust .lbl {
    display: block;
    margin-top: 0.4rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
}

/* Hero visual — "system status" card + floating mono chips */
.hero-visual {
    position: relative;
    min-height: 480px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.profile-card {
    position: relative;
    z-index: 2;
    width: min(340px, 88%);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 1.4rem;
    text-align: center;
}

/* Window chrome dots on the card */
.profile-card::before {
    content: '';
    position: absolute;
    top: 1.1rem;
    left: 1.2rem;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 14px 0 0 var(--text-muted), 28px 0 0 var(--text-muted);
    opacity: 0.8;
}

.profile-card .pc-photo {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 1 / 1;
    background: var(--grad);
    margin-top: 1.4rem;
}

.profile-card .pc-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-card .pc-name {
    margin-top: 1.1rem;
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.profile-card .pc-role {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--accent);
    font-weight: 500;
    margin-top: 0.3rem;
    letter-spacing: 0.02em;
}

.profile-card .pc-status {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    margin-top: 1rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--accent);
    background: rgba(var(--accent-rgb), 0.1);
    border: 1px solid rgba(var(--accent-rgb), 0.28);
    padding: 0.35rem 0.85rem;
    border-radius: 50px;
}

.pc-status .pulse-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent);
    animation: pulse 2s infinite;
}

.float-chip {
    position: absolute;
    z-index: 3;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border-strong);
    box-shadow: var(--shadow-soft);
    border-radius: 8px;
    padding: 0.55rem 0.95rem;
    font-family: var(--font-mono);
    font-weight: 500;
    font-size: 0.78rem;
    color: var(--text-primary);
    animation: floatChip 5s ease-in-out infinite alternate;
}

.float-chip .ico {
    color: var(--accent);
    display: flex;
}

.chip-1 { top: 6%; left: -4%; }
.chip-2 { top: 44%; right: -7%; animation-delay: -1.6s; }
.chip-3 { bottom: 5%; left: 1%; animation-delay: -3s; }

@keyframes floatChip {
    from { transform: translateY(0); }
    to { transform: translateY(-14px); }
}

/* Tools marquee strip */
.marquee-band {
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: var(--bg-secondary);
    padding: 1.4rem 0;
    overflow: hidden;
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
    mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}

.marquee-track {
    display: flex;
    align-items: center;
    gap: 3.2rem;
    width: max-content;
    white-space: nowrap;
    animation: marquee 28s linear infinite;
}

.marquee-track span {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-mono);
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: 0.01em;
    color: var(--text-secondary);
    opacity: 0.9;
}

.marquee-track span::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 1px;
    background: var(--accent);
    opacity: 0.7;
    transform: rotate(45deg);
}

@keyframes marquee {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* Bento service cards */
.svc-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--accent-rgb), 0.12);
    border: 1px solid rgba(var(--accent-rgb), 0.2);
    color: var(--accent);
    margin-bottom: 1.4rem;
}

.bento .soft-card.feature-big {
    background:
        radial-gradient(420px circle at 100% 0%, rgba(var(--accent-rgb), 0.14), transparent 60%),
        var(--bg-secondary);
    justify-content: space-between;
}

.bento .soft-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.6rem;
}

.bento .soft-card p {
    font-size: 0.97rem;
}

/* Timeline (how I work) */
.timeline {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 33px;
    left: 12%;
    right: 12%;
    height: 1px;
    background: repeating-linear-gradient(90deg, rgba(var(--accent-rgb), 0.55) 0 6px, transparent 6px 14px);
    z-index: 0;
}

.tl-step {
    position: relative;
    z-index: 1;
    text-align: center;
}

.tl-num {
    width: 66px;
    height: 66px;
    border-radius: 14px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.4rem;
    color: var(--on-accent);
    background: var(--grad);
    box-shadow: 0 14px 32px -8px rgba(var(--accent-rgb), 0.5);
}

.tl-step h3 { font-size: 1.22rem; margin-bottom: 0.6rem; }
.tl-step p { max-width: 320px; margin: 0 auto; }

/* Work cards (featured) */
.work-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.work-card {
    display: flex;
    flex-direction: column;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease, border-color 0.4s ease;
}

.work-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg), 0 0 24px rgba(var(--accent-rgb), 0.15);
    border-color: var(--glass-border-hover);
}

.work-card .wc-top {
    padding: 1.7rem 1.7rem 0;
}

.work-card .wc-stat {
    font-family: var(--font-display);
    font-size: 2.6rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1;
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.work-card .wc-body {
    padding: 1.3rem 1.7rem 1.7rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.work-card .wc-body h3 { font-size: 1.18rem; margin-bottom: 0.6rem; }
.work-card .wc-body p { font-size: 0.92rem; flex: 1; }

/* Terminal block — developer signature element */
.terminal {
    background: var(--bg-dark);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    font-family: var(--font-mono);
    max-width: 760px;
    margin: 0 auto;
}

.terminal-bar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 1.1rem;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid var(--border);
}

.terminal-bar .tdot {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: var(--text-muted);
    opacity: 0.6;
}

.terminal-bar .tdot.live { background: var(--accent); opacity: 1; box-shadow: 0 0 8px var(--accent); }

.terminal-bar .tname {
    margin-left: 0.6rem;
    font-size: 0.78rem;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
}

.terminal-body {
    padding: 1.4rem 1.4rem 1.6rem;
    font-size: 0.86rem;
    line-height: 1.95;
    color: var(--text-secondary);
    overflow-x: auto;
}

.terminal-body .tline { white-space: pre; }
.terminal-body .t-prompt { color: var(--accent); }
.terminal-body .t-key { color: var(--text-primary); font-weight: 500; }
.terminal-body .t-ok { color: var(--accent); }
.terminal-body .t-dim { color: var(--text-muted); }

.terminal-body .cursor {
    display: inline-block;
    width: 9px;
    height: 1.05em;
    background: var(--accent);
    vertical-align: text-bottom;
    animation: blink 1.1s steps(1) infinite;
}

@keyframes blink { 50% { opacity: 0; } }

/* Big CTA band */
.cta-band { padding: var(--space-lg) 0; }

.cta-inner {
    position: relative;
    overflow: hidden;
    background: var(--grad);
    border-radius: var(--radius-lg);
    padding: clamp(3rem, 6vw, 5rem) 2rem;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.cta-inner h2 { color: var(--on-accent); }
.cta-inner p { color: rgba(11, 13, 7, 0.78); max-width: 560px; margin: 0 auto 2rem; }
.cta-inner .btn { background: var(--on-accent); color: var(--accent-soft); }
.cta-inner .btn:hover { background: #000; transform: translateY(-3px); }

.cta-inner::before,
.cta-inner::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.4;
    pointer-events: none;
}

.cta-inner::before { width: 320px; height: 320px; background: #ffffff66; top: -120px; left: -60px; }
.cta-inner::after { width: 360px; height: 360px; background: #00000033; bottom: -160px; right: -60px; }

@media (max-width: 860px) {
    .hero-split-inner { grid-template-columns: 1fr; gap: 3rem; }
    .hero-visual { min-height: 400px; order: -1; }
    .timeline { grid-template-columns: 1fr; gap: 2rem; }
    .timeline::before { display: none; }
    .work-grid { grid-template-columns: 1fr; }
}

/* ---------- Layout ---------- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: var(--space-xl) 0;
    position: relative;
}

.section-dark {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.bg-alt {
    background: var(--bg-secondary);
}

.grid-half {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    align-items: center;
}

.grid-thirds {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

/* ---------- Header / Navigation ---------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.1rem 0;
    background: transparent;
    border-bottom: 1px solid transparent;
    transition: background 0.4s ease, border-color 0.4s ease, padding 0.4s ease, backdrop-filter 0.4s ease;
}

.header.scrolled {
    background: rgba(var(--bg-primary-rgb), 0.7);
    backdrop-filter: blur(18px) saturate(160%);
    -webkit-backdrop-filter: blur(18px) saturate(160%);
    border-bottom: 1px solid var(--border);
    padding: 0.7rem 0;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.04em;
    color: var(--text-primary);
    position: relative;
    flex-shrink: 0;
}

.logo::after {
    content: '';
    display: inline-block;
    width: 7px;
    height: 7px;
    margin-left: 2px;
    border-radius: 2px;
    background: var(--accent);
    box-shadow: 0 0 12px var(--accent);
    transform: rotate(45deg);
    vertical-align: baseline;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.15rem;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    transition: color var(--transition-fast);
    white-space: nowrap;
}

.nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 0;
    height: 2px;
    border-radius: 2px;
    background: var(--accent);
    transition: width var(--transition-fast);
}

.nav-link:hover {
    color: var(--text-primary);
}

.nav-link:hover::after {
    width: 100%;
}

/* Mobile menu button */
.mobile-menu-btn {
    display: none;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    position: relative;
    z-index: 1100;
}

.hamburger,
.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 50%;
    width: 26px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transform: translateX(-50%);
    transition: transform 0.35s ease, opacity 0.25s ease, top 0.35s ease;
}

.hamburger {
    top: 50%;
    margin-top: -1px;
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

.mobile-menu-btn.active .hamburger {
    background: transparent;
}

.mobile-menu-btn.active .hamburger::before {
    top: 0;
    transform: translateX(-50%) rotate(45deg);
}

.mobile-menu-btn.active .hamburger::after {
    top: 0;
    transform: translateX(-50%) rotate(-45deg);
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.9rem 1.8rem;
    font-family: inherit;
    font-size: 0.92rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
    text-align: center;
    line-height: 1.2;
}

.btn-primary {
    background: linear-gradient(135deg, #FA4616 0%, #FF6B00 100%);
    color: #FFFFFF;
    font-weight: 800;
    box-shadow: 0 8px 25px rgba(250, 70, 22, 0.45);
    border: 1px solid rgba(250, 70, 22, 0.6);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #FF5522 0%, #FF8800 100%);
    transform: translateY(-3px);
    box-shadow: 0 14px 35px rgba(250, 70, 22, 0.65);
}

.btn-outline {
    background: rgba(var(--accent-rgb), 0.06);
    color: var(--accent);
    border: 1.5px solid rgba(var(--accent-rgb), 0.35);
    font-weight: 800;
    transition: all var(--transition-fast);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--on-accent);
    transform: translateY(-3px);
    background: var(--accent);
    box-shadow: 0 8px 25px rgba(var(--accent-rgb), 0.4);
}

[data-theme="light"] .btn-outline {
    background: #ffffff;
    color: var(--accent);
    border: 1.5px solid var(--accent);
    box-shadow: 0 2px 8px rgba(250, 70, 22, 0.1);
}

[data-theme="light"] .btn-outline:hover {
    background: var(--accent);
    color: #ffffff;
    border-color: var(--accent);
    box-shadow: 0 8px 24px rgba(250, 70, 22, 0.35);
}

.btn:active {
    transform: translateY(-1px);
}

/* ---------- Hero (legacy/base) ---------- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--bg-primary);
}

.hero-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.hero h1 {
    font-weight: 700;
}

/* ---------- Metrics ---------- */
.metric-block {
    padding: 2.5rem;
    text-align: center;
}

.metric-val {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.04em;
    color: var(--text-primary);
}

.metric-label {
    font-family: var(--font-mono);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    color: var(--accent);
    font-weight: 500;
    margin-top: 0.75rem;
}

/* ---------- Tech pills ---------- */
.tech-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.tech-pill {
    background: rgba(var(--accent-rgb), 0.06);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.tech-pill:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(var(--accent-rgb), 0.18);
}

/* ---------- Case study rows (index portfolio) ---------- */
.case-meta {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    padding: 0.3rem 0.8rem;
    border-radius: 6px;
    background: rgba(var(--accent-rgb), 0.1);
    border: 1px solid rgba(var(--accent-rgb), 0.25);
    margin-bottom: 1rem;
}

.case-study {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-lg);
    padding: var(--space-lg) 0;
    border-top: 1px solid var(--border);
    align-items: start;
}

.case-study:last-child {
    border-bottom: 1px solid var(--border);
}

.case-study .metric-val {
    text-align: left;
    color: var(--accent);
}

.case-study .metric-label {
    text-align: left;
    margin-top: 0.5rem;
    color: var(--text-secondary);
}

.blueprint-card-mini {
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.blueprint-card-mini:hover {
    transform: translateY(-6px);
    border-color: var(--accent) !important;
    box-shadow: 0 24px 48px -18px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(var(--accent-rgb), 0.2);
}

.blueprint-card-mini a:hover {
    color: var(--accent) !important;
}

/* ---------- Page header ---------- */
.page-header h1 {
    margin-bottom: 1rem;
}

/* ---------- Filter buttons (case studies) ---------- */
.filter-btn {
    transition: all var(--transition-fast);
    font-family: var(--font-mono);
}

.filter-btn.active {
    background: var(--accent-fill) !important;
    border-color: var(--accent-fill) !important;
    color: var(--on-accent) !important;
    opacity: 1 !important;
    box-shadow: 0 6px 18px -4px rgba(var(--accent-rgb), 0.5);
}

.filter-btn:hover {
    opacity: 1 !important;
    color: var(--text-primary) !important;
    border-color: var(--accent) !important;
}

.filter-btn.active:hover {
    color: var(--on-accent) !important;
}

/* ---------- Modal (ROI report) ---------- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s ease, visibility 0.35s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    transform: translateY(24px) scale(0.97);
    opacity: 0;
    transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.45s ease;
    max-height: 92vh;
    overflow-y: auto;
}

.modal-overlay.active .modal-content {
    transform: translateY(0) scale(1);
    opacity: 1;
}

.modal-close {
    transition: transform var(--transition-fast), color var(--transition-fast);
}

.modal-close:hover {
    color: var(--accent) !important;
    transform: rotate(90deg);
}

/* ---------- Footer ---------- */
.site-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding-top: var(--space-lg);
    margin-top: 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1.2fr;
    gap: 3rem;
}

.footer-logo {
    font-size: 1.5rem;
}

.footer-brand p {
    color: var(--text-secondary);
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.footer-links ul {
    list-style: none;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.96rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: color var(--transition-fast), gap var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent);
    gap: 0.8rem;
}

.link-arrow {
    color: var(--accent);
    transition: transform var(--transition-fast);
}

.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.social-icon:hover {
    color: var(--on-accent);
    background: var(--accent-fill);
    border-color: var(--accent-fill);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px -4px rgba(var(--accent-rgb), 0.55);
}

.email-link {
    color: var(--accent);
    font-weight: 600;
    word-break: break-all;
    transition: color var(--transition-fast);
}

.email-link:hover {
    color: var(--accent-soft);
}

/* ---------- Sticky mobile CTA ---------- */
.mobile-sticky-cta {
    position: fixed;
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
    z-index: 900;
    display: none;
    text-align: center;
    padding: 1rem;
    border-radius: var(--radius-sm);
    background: var(--accent-fill);
    color: var(--on-accent);
    font-weight: 700;
    letter-spacing: 0.02em;
    box-shadow: 0 12px 30px -6px rgba(var(--accent-rgb), 0.6);
    transform: translateY(150%);
    transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-sticky-cta.hidden {
    transform: translateY(150%);
}

/* ---------- Reveal / entrance animations ---------- */
.reveal,
.animate-fade-in-up {
    opacity: 0;
    transform: translateY(32px) scale(0.98);
    transition: opacity 1.1s cubic-bezier(0.16, 1, 0.3, 1), transform 1.1s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.reveal.visible,
.animate-fade-in-up.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }
.delay-500 { transition-delay: 0.5s; }
.delay-600 { transition-delay: 0.6s; }

.hidden { /* mobile CTA pre-reveal; overridden by transform */ }

/* ---------- Keyframes ---------- */
@keyframes pulse {
    0% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 0.15; transform: scale(1.18); }
    100% { opacity: 0.6; transform: scale(1); }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes shimmer {
    to { background-position: 200% center; }
}

/* =================================================================
   Next-level polish
   ================================================================= */

#scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0;
    z-index: 2000;
    background: linear-gradient(90deg, var(--accent), var(--accent-soft));
    box-shadow: 0 0 12px rgba(var(--accent-rgb), 0.7);
    transition: width 0.1s linear;
    pointer-events: none;
}

.text-gradient {
    background-size: 200% auto;
    animation: shimmer 7s linear infinite;
}

[data-spotlight] {
    position: relative;
}

[data-spotlight]::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1.5px;
    background: radial-gradient(220px circle at var(--mx, 50%) var(--my, 50%),
            rgba(var(--accent-rgb), 0.9), rgba(var(--accent-rgb), 0) 60%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
    z-index: 6;
}

[data-spotlight].lit::after {
    opacity: 1;
}

.btn-primary {
    position: relative;
    overflow: hidden;
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: 0;
    left: -130%;
    width: 60%;
    height: 100%;
    transform: skewX(-20deg);
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.65s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: none;
}

.btn-primary:hover::after {
    left: 150%;
}

[data-magnetic] {
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow var(--transition-fast), background var(--transition-fast);
}

#back-to-top {
    position: fixed;
    bottom: 1.6rem;
    left: 1.6rem;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    border: 1px solid var(--border-strong);
    background: var(--accent-fill);
    color: var(--on-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 950;
    opacity: 0;
    transform: translateY(20px) scale(0.9);
    pointer-events: none;
    box-shadow: 0 10px 28px -6px rgba(var(--accent-rgb), 0.65);
    transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), background var(--transition-fast);
}

#back-to-top.show {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

#back-to-top:hover {
    background: var(--accent-hover);
    transform: translateY(-4px) scale(1.05);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
.btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 4px;
}

/* =================================================================
   Responsive
   ================================================================= */
@media (max-width: 992px) {
    .grid-half {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .grid-thirds {
        grid-template-columns: 1fr;
    }

    .case-study {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2.5rem;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 1040px) {
    .mobile-menu-btn {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: 0;
        height: 100vh;
        width: min(80vw, 340px);
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;
        gap: 1.5rem;
        padding: 2rem 2.5rem;
        background: var(--bg-secondary);
        border-left: 1px solid var(--border);
        box-shadow: -20px 0 60px rgba(0, 0, 0, 0.5);
        transform: translateX(100%);
        transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .nav-links.open {
        transform: translateX(0);
    }

    .nav-link {
        font-size: 1.1rem;
    }

    .nav-links .btn {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.25rem;
    }

    .section {
        padding: var(--space-lg) 0;
    }

    .metric-val {
        font-size: 3rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .mobile-sticky-cta {
        display: block;
    }

    #back-to-top {
        display: none;
    }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .reveal,
    .animate-fade-in-up {
        opacity: 1;
        transform: none;
    }

    .text-gradient {
        animation: none;
    }

    .cursor { animation: none; }
}

/* =================================================================
   AI Assistant widget + self-typing terminal
   ================================================================= */

/* Terminal: stream lines in like a running agent */
.terminal-body .tline.to-type { opacity: 0; transform: translateY(3px); }
.terminal-body .tline.shown {
    opacity: 1;
    transform: none;
    transition: opacity 0.28s ease, transform 0.28s ease;
}

/* Floating action button */
#ai-fab {
    position: fixed;
    bottom: 1.6rem;
    right: 1.6rem;
    z-index: 1200;
    width: 60px;
    height: 60px;
    border: none;
    cursor: pointer;
    border-radius: 50%;
    background: var(--accent-fill);
    color: var(--on-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 12px 30px -6px rgba(var(--accent-rgb), 0.65);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), opacity 0.3s ease;
}

#ai-fab:hover { transform: translateY(-3px) scale(1.05); }

#ai-fab .fab-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px solid var(--accent-fill);
    animation: fabPing 2.6s cubic-bezier(0, 0, 0.2, 1) infinite;
    pointer-events: none;
}

@keyframes fabPing {
    0% { transform: scale(1); opacity: 0.6; }
    70% { transform: scale(1.5); opacity: 0; }
    100% { opacity: 0; }
}

#ai-fab.hide { transform: scale(0); opacity: 0; pointer-events: none; }

/* Panel */
#ai-panel {
    position: fixed;
    bottom: 1.6rem;
    right: 1.6rem;
    z-index: 1250;
    width: min(384px, calc(100vw - 2rem));
    height: min(560px, calc(100vh - 3rem));
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px) scale(0.98);
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

#ai-panel.open { opacity: 1; transform: none; pointer-events: auto; }

.ai-head {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 1rem 1.1rem;
    border-bottom: 1px solid var(--border);
    background: rgba(var(--accent-rgb), 0.05);
}

.ai-avatar {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: var(--grad);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--on-accent);
    flex: 0 0 auto;
}

.ai-head .h-name {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.98rem;
    color: var(--text-primary);
    line-height: 1.1;
}

.ai-head .h-sub {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 0.35rem;
    margin-top: 3px;
}

.ai-head .h-sub .pulse-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent);
    animation: pulse 2s infinite;
}

.ai-close {
    margin-left: auto;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    display: flex;
    padding: 0.3rem;
    border-radius: 6px;
    transition: color var(--transition-fast);
}

.ai-close:hover { color: var(--text-primary); }

.ai-body {
    flex: 1;
    overflow-y: auto;
    padding: 1.1rem;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.ai-msg {
    max-width: 86%;
    padding: 0.7rem 0.9rem;
    border-radius: 14px;
    font-size: 0.92rem;
    line-height: 1.55;
}

.ai-msg.bot {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    color: var(--text-primary);
    border-bottom-left-radius: 5px;
    align-self: flex-start;
}

.ai-msg.user {
    background: var(--accent-fill);
    color: var(--on-accent);
    font-weight: 500;
    border-bottom-right-radius: 5px;
    align-self: flex-end;
}

.ai-msg a.ai-action {
    display: inline-block;
    margin-top: 0.55rem;
    margin-right: 0.4rem;
    font-family: var(--font-mono);
    font-size: 0.74rem;
    font-weight: 500;
    padding: 0.45rem 0.8rem;
    border-radius: 7px;
    background: rgba(var(--accent-rgb), 0.12);
    border: 1px solid rgba(var(--accent-rgb), 0.3);
    color: var(--accent);
    transition: background var(--transition-fast), color var(--transition-fast);
}

.ai-msg a.ai-action:hover { background: var(--accent-fill); color: var(--on-accent); }

.ai-typing {
    align-self: flex-start;
    display: flex;
    gap: 4px;
    padding: 0.85rem 0.9rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 14px;
    border-bottom-left-radius: 5px;
}

.ai-typing span {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--text-muted);
    animation: aiBlink 1.2s infinite;
}

.ai-typing span:nth-child(2) { animation-delay: 0.2s; }
.ai-typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes aiBlink {
    0%, 60%, 100% { opacity: 0.25; transform: translateY(0); }
    30% { opacity: 1; transform: translateY(-3px); }
}

.ai-suggest {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    padding: 0 1.1rem 0.7rem;
}

.ai-chip {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    padding: 0.4rem 0.7rem;
    border-radius: 50px;
    background: transparent;
    border: 1px solid var(--border-strong);
    color: var(--text-secondary);
    cursor: pointer;
    transition: border-color var(--transition-fast), color var(--transition-fast);
}

.ai-chip:hover { border-color: var(--accent); color: var(--accent); }

.ai-foot {
    display: flex;
    gap: 0.5rem;
    padding: 0.8rem;
    border-top: 1px solid var(--border);
}

.ai-foot input {
    flex: 1;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 9px;
    padding: 0.7rem 0.9rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.92rem;
    outline: none;
    transition: border-color var(--transition-fast);
}

.ai-foot input:focus { border-color: var(--accent); }

.ai-send {
    flex: 0 0 auto;
    width: 42px;
    border: none;
    border-radius: 9px;
    background: var(--accent-fill);
    color: var(--on-accent);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast);
}

.ai-send:hover { background: var(--accent-hover); }

@media (max-width: 768px) {
    #ai-fab { bottom: 5.4rem; right: 1rem; width: 54px; height: 54px; }
    #ai-panel {
        bottom: 0;
        right: 0;
        left: 0;
        width: 100%;
        height: 86vh;
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    #ai-fab .fab-ring { animation: none; }
    .ai-typing span { animation: none; }
    .terminal-body .tline.to-type { opacity: 1; transform: none; }
}

/* Terminal stays a dark console in BOTH themes (looks intentional in light mode) */
.terminal {
    background: #0a0b0d;
    border-color: rgba(255, 255, 255, 0.12);
    color: #969aa3;
}
.terminal-bar {
    background: rgba(255, 255, 255, 0.03);
    border-bottom-color: rgba(255, 255, 255, 0.08);
}
.terminal-bar .tname { color: #969aa3; }
.terminal-bar .tdot { background: #5f636d; }
.terminal-bar .tdot.live { background: #c6f24c; box-shadow: 0 0 8px #c6f24c; }
.terminal-body { color: #969aa3; }
.terminal-body .t-prompt,
.terminal-body .t-ok { color: #c6f24c; }
.terminal-body .t-key { color: #f4f5f3; }
.terminal-body .t-dim { color: #5f636d; }
.terminal-body .cursor { background: #c6f24c; }

/* =================================================================
   Live AI extraction demo
   ================================================================= */
.demo-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    align-items: stretch;
}

.demo-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.demo-bar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    font-family: var(--font-mono);
    font-size: 0.76rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
    background: rgba(var(--accent-rgb), 0.04);
}

.demo-bar .tdot { width: 9px; height: 9px; border-radius: 50%; background: var(--text-muted); flex: 0 0 auto; }
.demo-bar .tdot.live { background: var(--accent); box-shadow: 0 0 8px var(--accent); }
.demo-hint, .demo-status { margin-left: auto; color: var(--text-muted); font-size: 0.7rem; }

.demo-input {
    flex: 1;
    min-height: 290px;
    resize: vertical;
    border: none;
    outline: none;
    background: transparent;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.82rem;
    line-height: 1.7;
    padding: 1rem 1.1rem;
}

.demo-input:focus { box-shadow: inset 0 0 0 2px rgba(var(--accent-rgb), 0.25); }

.demo-run { margin: 0 1rem 1rem; align-self: flex-start; }

.demo-output {
    flex: 1;
    min-height: 290px;
    padding: 1rem 1.1rem;
    font-family: var(--font-mono);
    font-size: 0.84rem;
    overflow: auto;
}

.demo-empty {
    color: var(--text-muted);
    height: 100%;
    min-height: 240px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 1rem;
}

.demo-analyzing { display: flex; align-items: center; gap: 0.7rem; color: var(--accent); font-size: 0.8rem; }
.demo-analyzing .bar {
    flex: 1;
    height: 3px;
    background: var(--border);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}
.demo-analyzing .bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: -40%;
    width: 40%;
    height: 100%;
    background: var(--accent);
    border-radius: 2px;
    animation: demoScan 0.9s linear infinite;
}
@keyframes demoScan { 0% { left: -40%; } 100% { left: 100%; } }

.demo-field {
    display: flex;
    align-items: baseline;
    gap: 0.7rem;
    padding: 0.55rem 0;
    border-bottom: 1px dashed var(--border);
    opacity: 0;
    transform: translateY(6px);
}
.demo-field.in { opacity: 1; transform: none; transition: opacity 0.3s ease, transform 0.3s ease; }
.df-key { color: var(--accent); min-width: 104px; flex: 0 0 auto; }
.df-val { color: var(--text-primary); flex: 1; font-family: var(--font-primary); font-weight: 600; }
.df-conf {
    flex: 0 0 auto;
    font-size: 0.68rem;
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: 50px;
    padding: 0.1rem 0.5rem;
}

@media (max-width: 860px) {
    .demo-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
    .demo-analyzing .bar::after { animation: none; }
    .demo-field { opacity: 1; transform: none; }
}

/* AI Chatbot Voice & Calendar Extensions */
.ai-avatar.listening {
    animation: ai-pulse-avatar 1.5s infinite alternate;
    box-shadow: 0 0 14px var(--accent);
}
.ai-avatar.speaking {
    animation: ai-bounce-avatar 1.0s infinite alternate;
    box-shadow: 0 0 14px #00c2ff;
    background: linear-gradient(115deg, #00c2ff 0%, #0072ff 100%) !important;
}
.ai-avatar.thinking {
    animation: ai-pulse-avatar 1s infinite alternate;
    box-shadow: 0 0 14px #a855f7;
    background: linear-gradient(115deg, #a855f7 0%, #701a8a 100%) !important;
}

@keyframes ai-pulse-avatar {
    0% { transform: scale(1); }
    100% { transform: scale(1.1); }
}
@keyframes ai-bounce-avatar {
    0% { transform: translateY(0); }
    100% { transform: translateY(-4px); }
}
@keyframes ai-spin {
    to { transform: rotate(360deg); }
}

#ai-mic-btn.listening {
    animation: ai-mic-pulse 1.5s infinite;
}
@keyframes ai-mic-pulse {
    0% { box-shadow: 0 0 0 0 rgba(var(--accent-rgb), 0.5); }
    70% { box-shadow: 0 0 0 8px rgba(var(--accent-rgb), 0); }
    100% { box-shadow: 0 0 0 0 rgba(var(--accent-rgb), 0); }
}

/* ===== TESTIMONIALS ===== */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

@media (max-width: 900px) {
    .testimonials-grid { grid-template-columns: 1fr; }
}

.testimonial-card {
    display: flex;
    flex-direction: column;
    padding: 2.2rem;
    gap: 1.5rem;
    justify-content: space-between;
    height: 100%;
}

.t-stars {
    display: flex;
    gap: 4px;
    color: var(--accent);
}

.t-stars svg {
    width: 18px;
    height: 18px;
}

.t-quote {
    font-size: 1.05rem;
    line-height: 1.6;
    font-style: italic;
    color: var(--text-primary);
    margin: 0;
    flex-grow: 1;
}

.t-author {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: auto;
    border-top: 1px solid var(--border);
    padding-top: 1.2rem;
}

.t-avatar {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: var(--bg-elevated);
    border: 2px solid var(--border-strong);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--text-secondary);
    font-size: 1rem;
    flex-shrink: 0;
}

.t-info {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.t-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.t-role {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* =================================================================
   NEXT-GEN INTERACTIVE SUITE (Awwwards / Linear Tier)
   1. Global Command Palette (Ctrl+K)
   2. Live Bot Terminal & Telemetry Simulator
   3. Enterprise Interactive ROI & Efficiency Calculator
   4. 3D Perspective Tilt Physics & Specular Highlights
   5. Animated Signal Flowcharts
   ================================================================= */

/* ---------- 1. Global Command Palette (Ctrl+K) ---------- */
.cmd-palette-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(5, 6, 8, 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    z-index: 99999;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 12vh 1rem 2rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.25s;
}

.cmd-palette-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.cmd-palette-modal {
    width: 100%;
    max-width: 640px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-strong);
    border-radius: 18px;
    box-shadow: 0 30px 90px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(255, 255, 255, 0.06) inset;
    overflow: hidden;
    transform: scale(0.96) translateY(-10px);
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
}

.cmd-palette-backdrop.active .cmd-palette-modal {
    transform: scale(1) translateY(0);
}

.cmd-search-wrap {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 1.1rem 1.4rem;
    border-bottom: 1px solid var(--border);
    position: relative;
}

.cmd-search-icon {
    color: var(--accent);
    flex-shrink: 0;
}

.cmd-search-input {
    width: 100%;
    background: transparent;
    border: none;
    outline: none;
    font-size: 1.05rem;
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-weight: 500;
}

.cmd-search-input::placeholder {
    color: var(--text-muted);
}

.cmd-kbd {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.5rem;
    font-size: 0.72rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 6px;
    line-height: 1;
}

.cmd-results-list {
    max-height: 380px;
    overflow-y: auto;
    padding: 0.7rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.cmd-group-title {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    padding: 0.6rem 0.8rem 0.3rem;
}

.cmd-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 0.9rem;
    border-radius: 10px;
    color: var(--text-primary);
    text-decoration: none;
    cursor: pointer;
    transition: background 0.15s ease, transform 0.15s ease;
}

.cmd-item:hover,
.cmd-item.selected {
    background: rgba(255, 255, 255, 0.06);
    transform: translateX(3px);
}

[data-theme="light"] .cmd-item:hover,
[data-theme="light"] .cmd-item.selected {
    background: rgba(0, 0, 0, 0.05);
}

.cmd-item-left {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.cmd-item-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 0.95rem;
    flex-shrink: 0;
}

.cmd-item-info h4 {
    margin: 0;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-primary);
}

.cmd-item-info p {
    margin: 0.15rem 0 0;
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.cmd-item-tag {
    font-size: 0.7rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.04);
    padding: 0.2rem 0.55rem;
    border-radius: 6px;
    border: 1px solid var(--border);
}

.cmd-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1.4rem;
    background: rgba(0, 0, 0, 0.2);
    border-top: 1px solid var(--border);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.cmd-footer-keys {
    display: flex;
    gap: 0.75rem;
}

/* Nav trigger pill */
.cmd-trigger-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.36rem 0.75rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 0.78rem;
    font-family: var(--font-mono);
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--transition-fast);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

[data-theme="light"] .cmd-trigger-btn {
    background: rgba(0, 0, 0, 0.04);
    border-color: rgba(0, 0, 0, 0.1);
    color: var(--text-secondary);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
}

.cmd-trigger-btn:hover {
    background: rgba(var(--accent-rgb), 0.12);
    border-color: var(--accent);
    color: var(--text-primary);
    box-shadow: 0 0 14px rgba(var(--accent-rgb), 0.25);
}

/* ---------- 2. Hero Bot Command Center & Live Simulator ---------- */
.hero-cmd-center {
    width: 100%;
    margin-top: 2rem;
    background: rgba(18, 20, 23, 0.85);
    border: 1px solid var(--border-strong);
    border-radius: 16px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.06) inset;
    overflow: hidden;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

[data-theme="light"] .hero-cmd-center {
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
}

.terminal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: rgba(0, 0, 0, 0.35);
    border-bottom: 1px solid var(--border);
}

[data-theme="light"] .terminal-header {
    background: rgba(0, 0, 0, 0.04);
}

.terminal-dots {
    display: flex;
    gap: 6px;
}

.terminal-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.terminal-title {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.terminal-body {
    padding: 1.1rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    line-height: 1.6;
    color: #e2e8f0;
    min-height: 180px;
    max-height: 240px;
    overflow-y: auto;
    background: rgba(10, 11, 13, 0.8);
}

[data-theme="light"] .terminal-body {
    background: #0f172a;
    color: #f1f5f9;
}

.terminal-log-line {
    margin-bottom: 0.35rem;
    display: flex;
    gap: 0.6rem;
    word-break: break-all;
}

.log-prefix {
    font-weight: 700;
}

.log-prefix-init { color: #38bdf8; }
.log-prefix-ocr { color: #fbbf24; }
.log-prefix-db { color: #34d399; }
.log-prefix-queue { color: #a78bfa; }
.log-prefix-alert { color: #f87171; }
.log-prefix-success { color: #4ade80; }

.terminal-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.8rem 1rem;
    background: rgba(0, 0, 0, 0.2);
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
    gap: 0.8rem;
}

.terminal-telemetry-stats {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--text-secondary);
}

.terminal-stat-item {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.terminal-stat-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #10b981;
    box-shadow: 0 0 8px #10b981;
    animation: pulse 2s infinite;
}

.terminal-run-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--accent);
    color: #000;
    border: none;
    padding: 0.45rem 1rem;
    border-radius: 8px;
    font-size: 0.78rem;
    font-weight: 700;
    font-family: var(--font-primary);
    cursor: pointer;
    transition: transform var(--transition-fast), filter var(--transition-fast);
}

.terminal-run-btn:hover {
    transform: scale(1.03);
    filter: brightness(1.1);
}

.terminal-run-btn:active {
    transform: scale(0.98);
}

.terminal-run-btn.running {
    opacity: 0.7;
    pointer-events: none;
}

/* ---------- 3. Enterprise Interactive ROI & Efficiency Calculator ---------- */
.roi-calculator-section {
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.roi-card-wrap {
    background: rgba(18, 20, 23, 0.75);
    border: 1px solid var(--border-strong);
    border-radius: 24px;
    padding: 3.5rem;
    box-shadow: 0 30px 100px -20px rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    position: relative;
}

[data-theme="light"] .roi-card-wrap {
    background: rgba(255, 255, 255, 0.85);
    box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.1);
}

.roi-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
    align-items: center;
    margin-top: 2.5rem;
}

@media (max-width: 900px) {
    .roi-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    .roi-card-wrap {
        padding: 2rem;
    }
}

.roi-slider-group {
    margin-bottom: 2rem;
}

.roi-slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.7rem;
}

.roi-slider-label {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.roi-slider-val {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--accent);
}

.roi-slider {
    width: 100%;
    height: 8px;
    -webkit-appearance: none;
    appearance: none;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    outline: none;
    cursor: pointer;
}

[data-theme="light"] .roi-slider {
    background: rgba(0, 0, 0, 0.1);
}

.roi-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    box-shadow: 0 0 15px var(--accent);
    transition: transform 0.15s ease;
}

.roi-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

/* ROI Output Dashboard Card */
.roi-results-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
    border: 1px solid var(--border-strong);
    border-radius: 20px;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
}

[data-theme="light"] .roi-results-card {
    background: #ffffff;
    border-color: rgba(0, 0, 0, 0.08);
}

.roi-results-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.25);
    color: #10B981;
    padding: 0.3rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
}

.roi-big-savings {
    font-size: clamp(2.5rem, 5vw, 3.8rem);
    font-weight: 900;
    letter-spacing: -0.04em;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.roi-savings-sub {
    color: var(--text-secondary);
    font-size: 0.92rem;
    margin-bottom: 2rem;
}

.roi-metrics-trio {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    margin-bottom: 2rem;
}

.roi-mini-metric h5 {
    margin: 0 0 0.3rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

.roi-mini-metric span {
    font-family: var(--font-mono);
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text-primary);
}

/* ---------- 4. 3D Tilt & Spatial Depth Engine ---------- */
.tilt-card-3d {
    transition: transform 0.18s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.18s cubic-bezier(0.16, 1, 0.3, 1);
    transform-style: preserve-3d !important;
    perspective: 1200px;
    position: relative;
    will-change: transform;
}

/* Children depth separation layers (Pop out in real 3D space) */
.tilt-card-3d .depth-layer-1 {
    transform: translateZ(16px);
    transform-style: preserve-3d;
}

.tilt-card-3d .depth-layer-2 {
    transform: translateZ(32px);
    transform-style: preserve-3d;
}

.tilt-card-3d .depth-layer-3 {
    transform: translateZ(48px);
    transform-style: preserve-3d;
}

.tilt-card-3d .float-chip {
    transform: translateZ(55px) !important;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.45) !important;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

/* Specular light glare overlay */
.tilt-card-3d::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255, 255, 255, 0.12) 0%, transparent 65%);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    mix-blend-mode: overlay;
    z-index: 10;
}

.tilt-card-3d:hover::after {
    opacity: 1;
}

/* Interactive 3D Background Canvas */
#hero-3d-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    opacity: 0.85;
}

/* 3D Holographic Gyroscope Reactor Core */
.gyro-core-wrap {
    position: relative;
    width: 140px;
    height: 140px;
    margin: 1.5rem auto 0;
    perspective: 1000px;
    transform-style: preserve-3d;
}

.gyro-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px dashed rgba(205, 245, 100, 0.4);
    box-shadow: 0 0 20px rgba(205, 245, 100, 0.2), inset 0 0 20px rgba(205, 245, 100, 0.2);
    transform-style: preserve-3d;
}

.gyro-ring-1 {
    animation: rotateGyro1 8s infinite linear;
    border-color: #FA4616;
    box-shadow: 0 0 25px rgba(250, 70, 22, 0.35);
}

.gyro-ring-2 {
    inset: 15px;
    animation: rotateGyro2 6s infinite linear reverse;
    border-color: #10B981;
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.3);
}

.gyro-ring-3 {
    inset: 30px;
    animation: rotateGyro3 4s infinite linear;
    border-color: var(--accent);
    box-shadow: 0 0 20px var(--accent-glow);
}

.gyro-sphere {
    position: absolute;
    inset: 46px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--accent) 0%, #FA4616 100%);
    box-shadow: 0 0 35px var(--accent), 0 0 60px #FA4616;
    animation: pulseSphere 2.5s infinite ease-in-out;
}

@keyframes rotateGyro1 {
    0% { transform: rotateX(0deg) rotateY(0deg) rotateZ(0deg); }
    100% { transform: rotateX(360deg) rotateY(180deg) rotateZ(360deg); }
}

@keyframes rotateGyro2 {
    0% { transform: rotateX(180deg) rotateY(0deg) rotateZ(0deg); }
    100% { transform: rotateX(0deg) rotateY(360deg) rotateZ(180deg); }
}

@keyframes rotateGyro3 {
    0% { transform: rotateX(0deg) rotateY(360deg) rotateZ(0deg); }
    100% { transform: rotateX(360deg) rotateY(0deg) rotateZ(360deg); }
}

@keyframes pulseSphere {
    0%, 100% { transform: scale(0.9); opacity: 0.85; filter: brightness(1); }
    50% { transform: scale(1.15); opacity: 1; filter: brightness(1.3); }
}

/* Subtle glowing pulse animations */
@keyframes pulseSignal {
    0% { transform: scale(0.95); opacity: 0.7; }
    50% { transform: scale(1.05); opacity: 1; }
    100% { transform: scale(0.95); opacity: 0.7; }
}

.signal-live {
    animation: pulseSignal 2.5s infinite ease-in-out;
}

/* =================================================================
   NEXT-LEVEL ULTRA-MODERN ANIMATION & INTERACTION SUITE v4.0
   ================================================================= */

/* --- 1. Ambient Fluid Cursor Glow --- */
#ambient-cursor-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 480px;
    height: 480px;
    margin-left: -240px;
    margin-top: -240px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(var(--accent-rgb), 0.14) 0%, rgba(var(--accent-rgb), 0.04) 45%, transparent 70%);
    pointer-events: none;
    z-index: 1;
    transform: translate3d(-1000px, -1000px, 0);
    transition: opacity 0.4s ease;
    will-change: transform;
}

[data-theme="light"] #ambient-cursor-glow {
    background: radial-gradient(circle, rgba(30, 58, 30, 0.08) 0%, rgba(30, 58, 30, 0.02) 45%, transparent 70%);
}

/* --- 2. Dynamic Specular Border Spotlight for Cards --- */
.work-card,
.student-card,
.service-card,
.solution-card,
.bento-card,
.cs-card {
    position: relative;
    overflow: hidden;
}

.work-card::after,
.student-card::after,
.service-card::after,
.solution-card::after,
.bento-card::after,
.cs-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1.5px;
    background: radial-gradient(380px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
            rgba(var(--accent-rgb), 0.55),
            rgba(var(--accent-rgb), 0) 50%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.35s ease;
    pointer-events: none;
    z-index: 4;
}

.work-card:hover::after,
.student-card:hover::after,
.service-card:hover::after,
.solution-card:hover::after,
.bento-card:hover::after,
.cs-card:hover::after {
    opacity: 1;
}

/* --- 3. Micro-Interaction Shimmer on Tech Pills --- */
.tech-pill {
    position: relative;
    overflow: hidden;
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.25s ease,
                box-shadow 0.25s ease,
                background-color 0.25s ease !important;
}

.tech-pill::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -60%;
    width: 40%;
    height: 200%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
    transform: rotate(25deg);
    opacity: 0;
    transition: opacity 0.25s ease;
    pointer-events: none;
}

.tech-pill:hover {
    transform: translateY(-3px) scale(1.04);
    box-shadow: 0 6px 16px rgba(var(--accent-rgb), 0.25);
    border-color: rgba(var(--accent-rgb), 0.6) !important;
}

.tech-pill:hover::after {
    opacity: 1;
    animation: pillShimmerSweep 0.75s ease-in-out;
}

@keyframes pillShimmerSweep {
    0% { left: -60%; }
    100% { left: 140%; }
}

/* --- 4. Magnetic Button Micro-Physics & Click Ripple --- */
.btn-primary,
.cmd-trigger-btn,
.btn {
    transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s ease !important;
    position: relative;
    overflow: hidden;
}

.btn-primary:hover {
    box-shadow: 0 8px 25px -4px rgba(var(--accent-rgb), 0.45);
}

.btn-ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.35);
    transform: scale(0);
    animation: rippleAnimation 0.6s linear;
    pointer-events: none;
}

@keyframes rippleAnimation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* --- 5. Luminous Aurora Mesh in Hero Background --- */
.hero-split::before {
    content: '';
    position: absolute;
    top: -20%;
    left: 20%;
    width: 60%;
    height: 70%;
    background: radial-gradient(ellipse at center, rgba(var(--accent-rgb), 0.08) 0%, rgba(0, 240, 255, 0.04) 40%, transparent 70%);
    filter: blur(80px);
    pointer-events: none;
    z-index: 0;
    animation: auroraBreathe 12s ease-in-out infinite alternate;
}

@keyframes auroraBreathe {
    0% { transform: scale(0.9) translate(0, 0); opacity: 0.6; }
    50% { transform: scale(1.15) translate(30px, -20px); opacity: 0.9; }
    100% { transform: scale(0.95) translate(-20px, 15px); opacity: 0.7; }
}

/* --- 6. Live HUD Automation Ticker Pill --- */
.live-hud-pill {
    position: fixed;
    bottom: 24px;
    left: 28px;
    z-index: 1000;
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.45rem 0.95rem;
    background: rgba(18, 20, 23, 0.82);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 999px;
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    color: var(--text-primary);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35), 0 0 16px rgba(16, 185, 129, 0.15);
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: auto;
    cursor: default;
}

.live-hud-pill:hover {
    transform: translateY(-2px);
    border-color: rgba(16, 185, 129, 0.4);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45), 0 0 24px rgba(16, 185, 129, 0.3);
}

.live-hud-pill .pulse-dot {
    width: 7px;
    height: 7px;
    background: #10B981;
    border-radius: 50%;
    box-shadow: 0 0 10px #10B981;
    animation: hudPulse 1.8s infinite;
}

@keyframes hudPulse {
    0% { transform: scale(0.85); box-shadow: 0 0 4px #10B981; }
    50% { transform: scale(1.2); box-shadow: 0 0 14px #10B981; }
    100% { transform: scale(0.85); box-shadow: 0 0 4px #10B981; }
}

@media (max-width: 768px) {
    .live-hud-pill {
        display: none;
    }
}

/* =================================================================
   SMOOTH THEME TRANSITIONS & LIGHT MODE POLISH
   ================================================================= */

html, body, .header, .soft-card, .student-card, .work-card, .service-card, .bento-card, .cs-card, .nav-link, .btn, .tech-pill, .live-hud-pill, .cmd-trigger-btn, .roi-card-wrap {
    transition: background-color 0.3s cubic-bezier(0.16, 1, 0.3, 1),
                color 0.3s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.3s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- Light Mode Refined Visual Hierarchy --- */
[data-theme="light"] body {
    background-color: #f8fafc;
    background-image:
        radial-gradient(1100px circle at 82% -8%, rgba(250, 70, 22, 0.05), transparent 55%),
        linear-gradient(var(--grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
}

[data-theme="light"] .header.scrolled {
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(18px) saturate(160%);
    -webkit-backdrop-filter: blur(18px) saturate(160%);
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

[data-theme="light"] .cmd-trigger-btn {
    background: #ffffff;
    border-color: rgba(15, 23, 42, 0.12);
    color: #0f172a;
    box-shadow: 0 2px 6px rgba(15, 23, 42, 0.04);
}

[data-theme="light"] .cmd-kbd {
    background: #f1f5f9;
    color: #475569;
    border-color: rgba(15, 23, 42, 0.1);
}

[data-theme="light"] .work-card,
[data-theme="light"] .soft-card,
[data-theme="light"] .service-card,
[data-theme="light"] .solution-card,
[data-theme="light"] .cs-card,
[data-theme="light"] .roi-card-wrap {
    background: #ffffff !important;
    border: 1px solid rgba(15, 23, 42, 0.08) !important;
    box-shadow: 0 10px 25px -4px rgba(15, 23, 42, 0.05), 0 2px 6px -1px rgba(15, 23, 42, 0.03) !important;
}

[data-theme="light"] .work-card:hover,
[data-theme="light"] .soft-card:hover,
[data-theme="light"] .service-card:hover,
[data-theme="light"] .solution-card:hover,
[data-theme="light"] .cs-card:hover {
    box-shadow: 0 20px 40px -8px rgba(15, 23, 42, 0.12), 0 0 20px rgba(250, 70, 22, 0.1) !important;
    border-color: rgba(250, 70, 22, 0.35) !important;
}

[data-theme="light"] .live-hud-pill {
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid rgba(15, 23, 42, 0.1);
    color: #0f172a;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08), 0 0 14px rgba(16, 185, 129, 0.15);
}

[data-theme="light"] .tech-pill {
    background: #f1f5f9;
    color: #1e293b;
    border-color: rgba(15, 23, 42, 0.1);
}

[data-theme="light"] .tech-pill:hover {
    background: #e2e8f0;
    color: #0f172a;
    border-color: rgba(250, 70, 22, 0.4) !important;
    box-shadow: 0 6px 16px rgba(250, 70, 22, 0.15);
}

[data-theme="light"] #ambient-cursor-glow {
    background: radial-gradient(circle, rgba(250, 70, 22, 0.06) 0%, rgba(250, 70, 22, 0.015) 45%, transparent 70%);
}

[data-theme="light"] .hero-split::before {
    background: radial-gradient(ellipse at center, rgba(250, 70, 22, 0.04) 0%, rgba(2, 132, 199, 0.03) 40%, transparent 70%);
}

[data-theme="light"] .work-card::after,
[data-theme="light"] .student-card::after,
[data-theme="light"] .service-card::after,
[data-theme="light"] .solution-card::after,
[data-theme="light"] .bento-card::after,
[data-theme="light"] .cs-card::after {
    background: radial-gradient(380px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
            rgba(250, 70, 22, 0.35),
            transparent 50%);
}

/* =================================================================
   FRONT-END ANTI-INSPECTION & ASSET PROTECTION SHIELD
   ================================================================= */
body {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
}

/* Allow text selection only inside editable form inputs, textareas & search */
input, textarea, select, [contenteditable="true"], .cmd-search-input, #inquiry-message, #cs-search-input {
    -webkit-user-select: text !important;
    -moz-user-select: text !important;
    -ms-user-select: text !important;
    user-select: text !important;
}

img {
    -webkit-user-drag: none;
    user-drag: none;
    pointer-events: auto;
}

/* Security Toast Notification */
#security-toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    z-index: 999999;
    opacity: 0;
    pointer-events: none;
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.35s ease;
}

#security-toast.active {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.sec-toast-inner {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(15, 23, 42, 0.95);
    border: 1px solid rgba(239, 68, 68, 0.4);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(239, 68, 68, 0.2);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: #f8fafc;
    padding: 0.75rem 1.4rem;
    border-radius: 999px;
    font-family: var(--font-mono, monospace);
    font-size: 0.85rem;
    font-weight: 600;
}

.sec-toast-icon {
    font-size: 1.1rem;
}

/* Security Lockdown Overlay */
#security-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999999;
    background: rgba(5, 7, 12, 0.94);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

#security-overlay.visible {
    opacity: 1;
    pointer-events: auto;
}

.security-blur main,
.security-blur header,
.security-blur footer {
    filter: blur(14px) !important;
    pointer-events: none !important;
    user-select: none !important;
}

.sec-overlay-card {
    position: relative;
    max-width: 520px;
    width: 100%;
    background: linear-gradient(135deg, rgba(20, 24, 33, 0.97), rgba(10, 12, 18, 0.99));
    border: 1px solid rgba(239, 68, 68, 0.45);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    text-align: center;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 40px rgba(239, 68, 68, 0.2);
    overflow: hidden;
}

.sec-shield-glow {
    position: absolute;
    top: -60px;
    left: 50%;
    transform: translateX(-50%);
    width: 220px;
    height: 220px;
    background: radial-gradient(circle, rgba(239, 68, 68, 0.35) 0%, transparent 70%);
    pointer-events: none;
}

.sec-overlay-icon {
    font-size: 3.2rem;
    margin-bottom: 1rem;
    display: inline-block;
    animation: secPulse 2s infinite ease-in-out;
}

@keyframes secPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.sec-overlay-card h2 {
    font-size: 1.6rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 0.8rem;
    letter-spacing: -0.02em;
}

.sec-overlay-card p {
    font-size: 0.95rem;
    color: #94a3b8;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.sec-overlay-note {
    background: rgba(239, 68, 68, 0.1);
    border: 1px dashed rgba(239, 68, 68, 0.4);
    padding: 0.85rem 1rem;
    border-radius: 10px;
    font-family: var(--font-mono, monospace);
    font-size: 0.82rem;
    color: #fca5a5;
    margin-bottom: 1.5rem;
}

.sec-footer-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-mono, monospace);
    font-size: 0.74rem;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sec-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #ef4444;
    box-shadow: 0 0 8px #ef4444;
}