/* ============================================================
   Spingo Landing — design system
   Palette aligned with Flutter SpingoPalette (lib/theme.dart)
   and Filament admin theme.css — dark + light.
   ============================================================ */

/* ---------- 1. Tokens (Spingo app palette) ---------- */
:root {
    --bg: #100316;
    --bg-2: #17082a;
    --surface: #1a0824;
    --surface-2: #21102d;
    --surface-3: #261433;
    --text: #f2f2f2;
    --muted: #b5a3c4;
    --primary: #371385;
    --secondary: #d95ff5;
    --secondary-2: #7c3aed;
    --violet: #8b5cf6;
    --success: #34d399;
    --error: #ff6b6b;
    --primary-soft: rgba(55, 19, 133, 0.35);
    --secondary-soft: rgba(217, 95, 245, 0.16);
    --line: rgba(217, 95, 245, 0.22);
    --line-strong: rgba(217, 95, 245, 0.42);
    --glass: rgba(26, 8, 36, 0.72);
    --shadow-soft: 0 24px 70px rgba(0, 0, 0, 0.35);
    --shadow-glow: 0 0 28px rgba(217, 95, 245, 0.22);
    --radius: 16px;
    --radius-lg: 24px;
    --nav-h: 74px;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.35s cubic-bezier(0.22, 0.8, 0.3, 1);
    --transition-slow: 0.7s cubic-bezier(0.22, 0.8, 0.3, 1);
    --container-width: 1180px;
}

html.light {
    --bg: #f5f1fa;
    --bg-2: #e8e0f5;
    --surface: #ffffff;
    --surface-2: #efe8f7;
    --surface-3: #e4d9f0;
    --text: #1a0d24;
    --muted: #6c5d76;
    --primary: #4c1d95;
    --secondary: #a855d8;
    --secondary-2: #7c3aed;
    --violet: #8b5cf6;
    --success: #0f9d6c;
    --error: #ff6b6b;
    --primary-soft: rgba(76, 29, 149, 0.1);
    --secondary-soft: rgba(168, 85, 216, 0.12);
    --line: rgba(147, 51, 234, 0.2);
    --line-strong: rgba(147, 51, 234, 0.34);
    --glass: rgba(255, 255, 255, 0.78);
    --shadow-soft: 0 24px 70px rgba(64, 22, 105, 0.1);
    --shadow-glow: 0 0 30px rgba(168, 85, 216, 0.14);
}

/* ---------- 2. Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    overflow-x: hidden;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    transition: background 0.35s, color 0.35s;
}
body.rtl { font-family: 'Noto Sans Arabic', 'Plus Jakarta Sans', sans-serif; }
body.ltr { font-family: 'Plus Jakarta Sans', 'Noto Sans Arabic', sans-serif; }

a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
img, svg { max-width: 100%; }
img { display: block; }

:focus-visible {
    outline: 2px solid var(--secondary);
    outline-offset: 3px;
    border-radius: 4px;
}

.container { width: min(var(--container-width), calc(100% - 40px)); margin-inline: auto; }

.skip-link {
    position: fixed; top: -60px; inset-inline-start: 16px; z-index: 300;
    padding: 10px 18px; border-radius: 10px;
    background: var(--secondary); color: #fff; font-weight: 700; font-size: 0.85rem;
    transition: top var(--transition-fast);
}
.skip-link:focus-visible { top: 12px; }

/* ---------- 3. Ambient background ---------- */
.page-bg { position: relative; isolation: isolate; overflow: hidden; }
.page-bg .grid {
    position: absolute; inset: 0; z-index: -2;
    background-image:
        linear-gradient(var(--line) 1px, transparent 1px),
        linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: linear-gradient(to bottom, black, transparent 70%);
    opacity: 0.35;
    pointer-events: none;
    animation: grid-shift 60s linear infinite;
}
.page-bg .orb {
    position: absolute; z-index: -1; border-radius: 50%;
    pointer-events: none; opacity: 0.5;
    animation: drift 16s ease-in-out infinite alternate;
}
.page-bg .orb.one {
    width: 520px; height: 520px; top: -220px; inset-inline-start: -160px;
    background: radial-gradient(circle, rgba(217, 95, 245, 0.28), transparent 66%);
}
.page-bg .orb.two {
    width: 560px; height: 560px; top: 60px; inset-inline-end: -240px;
    background: radial-gradient(circle, rgba(55, 19, 133, 0.55), transparent 70%);
    animation-delay: -8s;
}

/* ---------- 4. Navigation ---------- */
.site-header {
    position: sticky; top: 0; z-index: 100;
    background: transparent;
    border-bottom: 1px solid transparent;
    transition: background var(--transition-normal), border-color var(--transition-normal), backdrop-filter var(--transition-normal);
}
.site-header.scrolled {
    background: color-mix(in srgb, var(--bg) 78%, transparent);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom-color: var(--line);
}
.nav {
    height: var(--nav-h);
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.brand {
    font-weight: 800; font-size: 1.35rem; letter-spacing: -0.04em;
    display: flex; gap: 10px; align-items: center; flex-shrink: 0;
}
.brand-logo-link {
    line-height: 0;
}
.brand-logo {
    display: block;
    height: 42px;
    width: auto;
    max-width: min(160px, 42vw);
    object-fit: contain;
    background: transparent;
}
html.light .brand-logo-dark { display: none !important; }
html:not(.light) .brand-logo-light { display: none !important; }
.footer-brand .brand-logo {
    height: 38px;
}
.nav-links {
    display: flex; align-items: center; gap: 4px;
    font-size: 0.82rem; font-weight: 600; color: var(--muted);
}
.nav-links a {
    position: relative;
    padding: 8px 12px; border-radius: 9px;
    transition: color var(--transition-fast), background var(--transition-fast);
}
.nav-links a::after {
    content: ''; position: absolute; inset-inline: 12px; bottom: 4px; height: 2px;
    border-radius: 99px; background: linear-gradient(90deg, var(--secondary), var(--secondary-2));
    transform: scaleX(0); transform-origin: center;
    transition: transform var(--transition-fast);
}
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--secondary); }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
.nav-actions { display: flex; gap: 8px; align-items: center; flex-shrink: 0; }
.icon-btn, .lang-btn {
    border: 1px solid var(--line);
    background: color-mix(in srgb, var(--surface) 80%, transparent);
    color: var(--text); height: 38px; border-radius: 10px; padding: 0 13px;
    font-weight: 600; font-size: 0.8rem;
    display: inline-flex; align-items: center; justify-content: center;
    transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.icon-btn:hover, .lang-btn:hover {
    transform: translateY(-2px); border-color: var(--line-strong); box-shadow: var(--shadow-glow);
}
.icon-btn { width: 40px; padding: 0; font-size: 1rem; }
.nav-cta { display: inline-flex; }
.menu-toggle {
    display: none; width: 40px; height: 40px;
    border: 1px solid var(--line); border-radius: 10px;
    font-size: 1.15rem; color: var(--text);
    transition: border-color var(--transition-fast);
}
.menu-toggle:hover { border-color: var(--line-strong); }

@media (max-width: 1080px) {
    .menu-toggle { display: grid; place-items: center; }
    .nav-actions .nav-cta { display: none; }
    .nav-links {
        position: fixed; inset-inline: 16px; top: calc(var(--nav-h) + 8px);
        flex-direction: column; align-items: stretch; gap: 4px;
        padding: 14px; border: 1px solid var(--line); border-radius: var(--radius);
        background: color-mix(in srgb, var(--surface) 96%, transparent);
        box-shadow: var(--shadow-soft);
        backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
        opacity: 0; visibility: hidden; transform: translateY(-8px);
        transition: opacity 0.25s, transform 0.25s, visibility 0.25s;
    }
    .nav-links.open { opacity: 1; visibility: visible; transform: none; }
    .nav-links a { padding: 12px 14px; }
    .nav-links a::after { display: none; }
    .nav-links a.active { background: var(--primary-soft); }
}

/* ---------- 5. Typography & shared elements ---------- */
.kicker {
    display: inline-flex; align-items: center; gap: 8px;
    color: var(--secondary); font-size: 0.7rem; font-weight: 800;
    letter-spacing: 0.16em; text-transform: uppercase;
}
.kicker::before {
    content: ''; width: 18px; height: 1px; background: var(--secondary); opacity: 0.7;
}
.eyebrow {
    display: inline-flex; gap: 9px; align-items: center;
    padding: 8px 15px; border: 1px solid var(--line); border-radius: 99px;
    background: color-mix(in srgb, var(--surface) 70%, transparent);
    color: var(--secondary); font-size: 0.74rem; font-weight: 700; letter-spacing: 0.04em;
}
.pulse {
    width: 7px; height: 7px; background: var(--success); border-radius: 50%;
    box-shadow: 0 0 0 0 var(--success);
    animation: pulse 2.2s infinite;
}
.glow {
    color: var(--secondary);
    text-shadow: 0 0 32px var(--secondary-soft);
}

.page-hero { padding: 76px 0 56px; position: relative; z-index: 1; }
.page-hero h1 {
    font-size: clamp(2.1rem, 4.6vw, 3.4rem);
    line-height: 1.12; letter-spacing: -0.04em; margin: 18px 0 16px; max-width: 720px;
}
.page-hero p { color: var(--muted); font-size: 1.02rem; line-height: 1.85; max-width: 620px; margin: 0; }

.breadcrumb { display: flex; gap: 8px; align-items: center; font-size: 0.78rem; color: var(--muted); margin-bottom: 22px; }
.breadcrumb a { transition: color var(--transition-fast); }
.breadcrumb a:hover { color: var(--secondary); }
.breadcrumb span { color: var(--secondary); }

/* ---------- 6. Buttons ---------- */
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.btn {
    position: relative; overflow: hidden;
    border-radius: 12px; padding: 14px 24px;
    display: inline-flex; align-items: center; gap: 9px;
    font-weight: 700; font-size: 0.88rem;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}
.btn:active { transform: translateY(1px) scale(0.99); }
.btn > span {
    display: inline-block;
    transition: transform var(--transition-fast);
}
.btn:hover > span { transform: translate(3px, -2px); }
html[dir="rtl"] .btn:hover > span { transform: translate(-3px, -2px); }
.btn-primary {
    color: #100316;
    background: linear-gradient(120deg, var(--secondary), var(--secondary-2));
    box-shadow: 0 10px 32px var(--secondary-soft);
}
html.light .btn-primary { color: #fff; }
.btn-primary::before {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(115deg, transparent 32%, rgba(255, 255, 255, 0.22) 48%, transparent 62%);
    transform: translateX(-110%);
    transition: transform 0.6s ease;
}
html[dir="rtl"] .btn-primary::before { transform: translateX(110%); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 38px var(--secondary-soft); }
.btn-primary:hover::before { transform: translateX(110%); }
html[dir="rtl"] .btn-primary:hover::before { transform: translateX(-110%); }
.btn-ghost {
    border: 1px solid var(--line-strong);
    background: color-mix(in srgb, var(--surface) 72%, transparent);
    color: var(--text);
}
.btn-ghost:hover { transform: translateY(-2px); border-color: var(--secondary); box-shadow: var(--shadow-glow); }
.btn-sm { padding: 10px 16px; font-size: 0.8rem; border-radius: 10px; }

/* ---------- 7. Sections ---------- */
.section { padding: 92px 0; position: relative; }
.section-alt {
    background: linear-gradient(180deg, color-mix(in srgb, var(--surface) 66%, transparent), color-mix(in srgb, var(--surface) 40%, transparent));
    border-block: 1px solid var(--line);
}
.section-tight { padding-top: 0; }
.section-heading { max-width: 660px; margin-bottom: 46px; }
.section-heading.centered { margin-inline: auto; text-align: center; }
.section-heading h2 {
    font-size: clamp(1.7rem, 3.2vw, 2.5rem);
    letter-spacing: -0.03em; line-height: 1.18; margin: 14px 0 12px;
}
.section-heading p { color: var(--muted); line-height: 1.85; margin: 0; }

/* ---------- 8. Cards ---------- */
.card-grid { display: grid; gap: 18px; }
.card-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

.card {
    --mx: 50%; --my: 0%;
    position: relative; overflow: hidden;
    padding: 26px; border: 1px solid var(--line); border-radius: var(--radius);
    background: linear-gradient(160deg, color-mix(in srgb, var(--surface-2) 55%, transparent), color-mix(in srgb, var(--surface) 85%, transparent));
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}
.card::before {
    content: ''; position: absolute; inset: 0; pointer-events: none;
    background: radial-gradient(340px circle at var(--mx) var(--my), var(--secondary-soft), transparent 65%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}
.card:hover { transform: translateY(-5px); border-color: var(--line-strong); box-shadow: var(--shadow-soft); }
.card:hover::before { opacity: 1; }
.card-icon {
    width: 46px; height: 46px; display: grid; place-items: center;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: var(--primary-soft); color: var(--secondary); font-size: 1.25rem;
    transition: transform var(--transition-fast);
}
.card:hover .card-icon { transform: translateY(-2px); }
.card-icon svg { width: 22px; height: 22px; }
.card h3 { margin: 18px 0 8px; font-size: 1.08rem; letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--muted); font-size: 0.88rem; line-height: 1.75; }
.card ul { margin: 12px 0 0; padding-inline-start: 18px; color: var(--muted); font-size: 0.85rem; line-height: 1.85; }
.card-plain p { font-weight: 600; color: var(--text); font-size: 0.88rem; }
.card-compact { padding: 20px; }
.card-highlight { border-color: var(--line-strong); box-shadow: var(--shadow-glow); }
.card code { font-size: 0.82rem; color: var(--secondary); word-break: break-all; }

/* ---------- 9. Hero (home) ---------- */
.hero-home { padding: 44px 0 84px; position: relative; }
.hero-home .hero-inner {
    display: grid; grid-template-columns: 1.02fr 0.98fr; gap: 48px; align-items: center;
}
.hero-home h1 {
    font-size: clamp(2.4rem, 5vw, 4rem);
    line-height: 1.08; letter-spacing: -0.045em; margin: 20px 0 18px; max-width: 640px;
}
.hero-home .hero-copy > p { color: var(--muted); font-size: 1.04rem; line-height: 1.85; max-width: 560px; margin: 0; }
.mini-stats { display: flex; gap: 30px; margin-top: 42px; }
.mini-stats > div { position: relative; padding-inline-start: 14px; }
.mini-stats > div::before {
    content: ''; position: absolute; inset-inline-start: 0; top: 4px; bottom: 4px;
    width: 2px; border-radius: 99px;
    background: linear-gradient(180deg, var(--secondary), var(--secondary-2));
}
.mini-stats b { display: block; font-size: 1.25rem; letter-spacing: -0.02em; color: var(--secondary); }
.mini-stats span { font-size: 0.72rem; color: var(--muted); }

/* Hero entrance sequence */
.hero-enter { opacity: 0; transform: translateY(18px); animation: hero-in 0.8s cubic-bezier(0.22, 0.8, 0.3, 1) forwards; }
.hero-enter.d1 { animation-delay: 0.05s; }
.hero-enter.d2 { animation-delay: 0.16s; }
.hero-enter.d3 { animation-delay: 0.28s; }
.hero-enter.d4 { animation-delay: 0.4s; }
.hero-enter.d5 { animation-delay: 0.52s; }
.hero-enter.d6 { animation-delay: 0.45s; }

/* ---------- 10. Hero HUD visual ---------- */
.hud-wrap { position: relative; min-height: 520px; display: grid; place-items: center; }
.hud-panel {
    position: relative; width: min(420px, 100%);
    border: 1px solid var(--line-strong); border-radius: var(--radius-lg);
    background: linear-gradient(165deg, rgba(33, 16, 45, 0.92), rgba(16, 3, 22, 0.96));
    box-shadow: var(--shadow-soft), inset 0 0 60px rgba(217, 95, 245, 0.06);
    overflow: hidden;
    transition: transform 0.3s ease-out;
}
html.light .hud-panel {
    background: linear-gradient(165deg, #ffffff, #efe8f7);
    box-shadow: var(--shadow-soft), inset 0 0 60px rgba(168, 85, 216, 0.05);
}
.hud-corners::before, .hud-corners::after {
    content: ''; position: absolute; width: 22px; height: 22px; pointer-events: none; z-index: 3;
    border-color: var(--secondary); border-style: solid; opacity: 0.85;
}
.hud-corners::before { top: 10px; inset-inline-start: 10px; border-width: 2px 0 0 2px; }
.hud-corners::after { bottom: 10px; inset-inline-end: 10px; border-width: 0 2px 2px 0; }
html[dir="rtl"] .hud-corners::before { border-width: 2px 2px 0 0; }
html[dir="rtl"] .hud-corners::after { border-width: 0 0 2px 2px; }

.hud-head {
    display: flex; justify-content: space-between; align-items: center;
    padding: 16px 20px 12px;
    font-size: 0.64rem; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase;
    color: var(--muted);
}
.hud-status { display: inline-flex; align-items: center; gap: 7px; color: var(--secondary); }
.hud-status i {
    width: 7px; height: 7px; border-radius: 50%; background: var(--secondary);
    animation: pulse 1.8s infinite;
}

.hud-stage { position: relative; padding: 4px 22px 8px; }
.hud-stage svg { width: 100%; height: auto; display: block; }
.hud-stage .skeleton-line {
    fill: none; stroke: url(#hud-limb); stroke-width: 3.4; stroke-linecap: round; stroke-linejoin: round;
}
.hud-stage .joint { fill: var(--bg); stroke: var(--secondary); stroke-width: 2; }
.hud-stage .joint-core { fill: var(--secondary); }
.hud-stage .trajectory { fill: none; stroke: var(--success); stroke-width: 1.6; stroke-dasharray: 3 6; stroke-linecap: round; opacity: 0.8; }
.hud-stage .ball { fill: var(--success); }
.hud-stage .hud-tick { stroke: var(--line-strong); stroke-width: 1; }
.hud-stage text { font-family: inherit; font-size: 9px; font-weight: 700; letter-spacing: 0.08em; fill: var(--muted); text-transform: uppercase; }
.hud-stage .callout-line { stroke: var(--line-strong); stroke-width: 1; stroke-dasharray: 2 3; }
.hud-stage .callout-val { fill: var(--secondary); font-size: 11px; }

.scan-line {
    position: absolute; inset-inline: 8%; height: 2px; top: 12%;
    background: linear-gradient(90deg, transparent, var(--secondary), transparent);
    box-shadow: 0 0 18px var(--secondary);
    opacity: 0.55; pointer-events: none;
    animation: scan 4.5s ease-in-out infinite;
}

.hud-foot {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px;
    padding: 12px 18px 18px;
}
.hud-metric {
    padding: 10px 12px; border: 1px solid var(--line); border-radius: 12px;
    background: color-mix(in srgb, var(--surface-2) 60%, transparent);
    font-size: 0.6rem; color: var(--muted); letter-spacing: 0.04em;
}
.hud-metric b { display: block; font-size: 1rem; margin-top: 3px; color: var(--text); letter-spacing: -0.01em; }
.hud-metric.good b { color: var(--success); }

.floating {
    position: absolute; z-index: 4;
    padding: 13px 16px; border: 1px solid var(--line-strong);
    border-radius: 14px; background: var(--glass);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    font-size: 0.68rem; color: var(--muted);
    animation: float 5s ease-in-out infinite;
    transition: transform 0.3s ease-out;
}
.floating b { display: block; color: var(--text); font-size: 1.05rem; margin-top: 3px; letter-spacing: -0.01em; }
.floating b small { color: var(--muted); font-weight: 600; }
.float-one { inset-inline-start: -8px; top: 56px; }
.float-two { inset-inline-end: -14px; bottom: 96px; animation-delay: -2.4s; }
.float-three { inset-inline-end: 6px; top: 26px; animation-delay: -1.2s; }
.float-dot {
    width: 7px; height: 7px; background: var(--success); border-radius: 50%;
    display: inline-block; margin-inline-end: 6px;
    box-shadow: 0 0 10px var(--success);
}
.float-bars { display: flex; gap: 4px; align-items: flex-end; height: 30px; margin-top: 8px; }
.float-bars i {
    width: 7px; border-radius: 3px 3px 1px 1px;
    background: linear-gradient(to top, var(--secondary), var(--secondary-2));
    animation: bars 1.8s ease-in-out infinite alternate;
}
.float-bars i:nth-child(2) { animation-delay: -0.3s; }
.float-bars i:nth-child(3) { animation-delay: -0.6s; }
.float-bars i:nth-child(4) { animation-delay: -0.9s; }
.float-bars i:nth-child(5) { animation-delay: -1.2s; }

/* ---------- 11. Capability strip ---------- */
.cap-strip {
    border-block: 1px solid var(--line);
    background: color-mix(in srgb, var(--surface) 50%, transparent);
    padding: 22px 0;
}
.cap-strip .container {
    display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 34px;
}
.cap-item {
    display: inline-flex; align-items: center; gap: 9px;
    font-size: 0.8rem; font-weight: 600; color: var(--muted);
}
.cap-item svg { width: 17px; height: 17px; color: var(--secondary); flex-shrink: 0; }

/* ---------- 12. Screens preview ---------- */
.screen-grid { display: grid; grid-template-columns: 1.1fr 0.9fr 0.9fr; gap: 16px; }
.screen-card {
    position: relative; overflow: hidden; padding: 24px;
    border: 1px solid var(--line); border-radius: var(--radius-lg);
    background: linear-gradient(170deg, color-mix(in srgb, var(--surface-2) 60%, transparent), var(--surface));
    min-height: 400px;
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}
.screen-card:hover { transform: translateY(-6px); border-color: var(--line-strong); box-shadow: var(--shadow-soft); }
.screen-label {
    color: var(--secondary); font-size: 0.62rem; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase;
}
.screen-card h3 { margin: 12px 0 8px; font-size: 1.05rem; }
.screen-card > p { color: var(--muted); font-size: 0.83rem; line-height: 1.7; margin: 0; }
.ui-preview {
    position: absolute; inset-inline: 20px; bottom: 18px;
    padding: 14px 16px; border: 1px solid var(--line-strong); border-radius: 14px;
    background: linear-gradient(150deg, var(--surface-3), var(--surface));
    color: var(--text); font-size: 0.64rem;
}
.ui-row { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.ui-row + .ui-row { margin-top: 7px; }
.ui-row b { color: var(--secondary); }
.ui-row .up { color: var(--success); }
.progress-line { height: 6px; border-radius: 99px; background: var(--surface-2); overflow: hidden; margin: 10px 0; border: 1px solid var(--line); }
.progress-line i {
    display: block; height: 100%; width: 74%; border-radius: inherit;
    background: linear-gradient(90deg, var(--secondary), var(--secondary-2));
}
.target {
    width: 74px; height: 74px; margin: 6px auto;
    border: 2px solid var(--secondary); border-radius: 50%;
    display: grid; place-items: center; position: relative;
}
.target::before { content: '+'; font-size: 1.35rem; color: var(--secondary); }
.target::after {
    content: ''; position: absolute; inset: -8px; border-radius: 50%;
    border: 1px dashed var(--line-strong);
    animation: spinSlow 14s linear infinite;
}

/* ---------- 13. AI model section ---------- */
.ai-section {
    background:
        radial-gradient(700px 320px at 18% 8%, rgba(139, 92, 246, 0.16), transparent 70%),
        linear-gradient(165deg, #16051f, #2a0c45);
    border-block: 1px solid var(--line);
}
html.light .ai-section {
    background:
        radial-gradient(720px 340px at 12% 0%, rgba(168, 85, 216, 0.14), transparent 68%),
        radial-gradient(560px 300px at 92% 18%, rgba(76, 29, 149, 0.08), transparent 70%),
        linear-gradient(165deg, var(--bg), var(--bg-2), var(--bg));
}
.ai-section h2 { color: var(--text); }
.ai-section .kicker { color: var(--secondary); }
.ai-section .model-grid > div > p { color: var(--muted); line-height: 1.85; }
.model-grid { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 52px; align-items: center; }
.model-grid > div > p { color: var(--muted); line-height: 1.85; }
.model-card {
    position: relative; padding: 26px; border-radius: var(--radius-lg);
    border: 1px solid var(--line-strong);
    background: color-mix(in srgb, var(--surface-2) 55%, transparent);
    overflow: hidden;
}
html.light .model-card {
    background: var(--surface);
    border-color: var(--line);
    box-shadow: var(--shadow-soft);
}
.model-card::before {
    content: ''; position: absolute; inset: 0; pointer-events: none;
    background-image:
        linear-gradient(var(--line) 1px, transparent 1px),
        linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 30px 30px; opacity: 0.4;
}
html.light .model-card::before { opacity: 0.55; }
.model-core {
    position: relative; margin: 12px auto;
    width: 140px; height: 140px; border-radius: 50%;
    display: grid; place-items: center; text-align: center;
    font-size: 0.95rem; font-weight: 800; color: #fff;
    background: radial-gradient(circle, var(--secondary) 0 4%, var(--primary) 5% 36%, var(--surface-3) 37% 62%, transparent 63%);
    box-shadow: 0 0 58px rgba(217, 95, 245, 0.5);
}
html.light .model-core {
    background: radial-gradient(circle, var(--secondary) 0 4%, var(--primary) 5% 36%, var(--surface-2) 37% 62%, transparent 63%);
    box-shadow: 0 0 44px rgba(168, 85, 216, 0.32);
}
.model-core::before, .model-core::after {
    content: ''; position: absolute; border-radius: 50%; border: 1px dashed var(--line-strong);
}
.model-core::before { inset: -14px; animation: spinSlow 22s linear infinite; }
.model-core::after { inset: -30px; opacity: 0.5; animation: spinSlow 34s linear infinite reverse; }
.model-note {
    margin-top: 20px; padding: 14px 16px;
    border-inline-start: 2px solid var(--secondary);
    background: var(--secondary-soft); color: var(--muted);
    font-size: 0.83rem; line-height: 1.75; border-radius: 0 10px 10px 0;
}
html.light .model-note {
    background: color-mix(in srgb, var(--secondary-soft) 80%, var(--surface));
    border-inline-start-color: var(--secondary);
}
html[dir="rtl"] .model-note { border-radius: 10px 0 0 10px; }
.model-note b { color: var(--text); }

/* Pipeline inside ai-section: keep cards readable on both themes */
.ai-section .pipe-step {
    background: color-mix(in srgb, var(--surface) 88%, transparent);
}
html.light .ai-section .pipe-step {
    background: var(--surface);
    box-shadow: 0 8px 24px rgba(76, 29, 149, 0.06);
}
html.light .ai-section .pipe-step b { color: var(--text); }

/* ---------- 14. Pipeline & process ---------- */
.pipeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; position: relative; }
.pipe-step {
    min-height: 148px; padding: 18px;
    border: 1px solid var(--line); border-radius: var(--radius);
    background: color-mix(in srgb, var(--surface) 85%, transparent);
    position: relative;
    transition: transform var(--transition-normal), border-color var(--transition-normal);
}
.pipe-step:hover { transform: translateY(-4px); border-color: var(--line-strong); }
.pipe-step::after {
    content: ''; position: absolute; inset-inline-start: 18px; inset-inline-end: 18px; bottom: 0;
    height: 2px; border-radius: 99px;
    background: linear-gradient(90deg, var(--secondary), transparent); opacity: 0.7;
}
.pipe-step .pipe-icon { font-size: 1.3rem; color: var(--secondary); display: inline-flex; }
.pipe-step .pipe-icon svg { width: 22px; height: 22px; }
.pipe-step b { display: block; margin: 12px 0 6px; font-size: 0.86rem; }
.pipe-step p { font-size: 0.78rem; color: var(--muted); line-height: 1.65; margin: 0; }
.pipe-num {
    position: absolute; top: 14px; inset-inline-end: 14px;
    font-size: 0.62rem; font-weight: 800; color: var(--line-strong); letter-spacing: 0.1em;
}

/* Architecture flow */
.arch-flow { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 36px; position: relative; }
.arch-node {
    text-align: center; padding: 26px 16px;
    border: 1px solid var(--line); border-radius: var(--radius);
    background: color-mix(in srgb, var(--surface) 85%, transparent);
    position: relative;
    transition: transform var(--transition-normal), border-color var(--transition-normal);
}
.arch-node:hover { transform: translateY(-4px); border-color: var(--line-strong); }
.arch-node .node-icon {
    width: 48px; height: 48px; margin: 0 auto 12px;
    display: grid; place-items: center; border-radius: 12px;
    background: var(--primary-soft); color: var(--secondary); font-size: 1.4rem;
    border: 1px solid var(--line);
}
.arch-node .node-icon svg { width: 24px; height: 24px; }
.arch-node h4 { margin: 0 0 8px; font-size: 0.95rem; }
.arch-node p { margin: 0; font-size: 0.78rem; color: var(--muted); line-height: 1.65; }
.arch-node:not(:last-child)::after {
    content: '→'; position: absolute; inset-inline-end: -20px; top: 50%;
    transform: translateY(-50%); color: var(--secondary); font-size: 1.2rem; z-index: 2;
}
html[dir="rtl"] .arch-node:not(:last-child)::after { content: '←'; }

/* Timeline */
.timeline { display: grid; max-width: 780px; position: relative; }
.timeline::before {
    content: ''; position: absolute; top: 30px; bottom: 30px;
    inset-inline-start: 25px; width: 2px;
    background: linear-gradient(180deg, var(--secondary), var(--primary), transparent);
    opacity: 0.35;
}
.timeline-item {
    display: grid; grid-template-columns: 72px 1fr; gap: 20px;
    padding-block: 26px; position: relative;
}
.timeline-num {
    width: 52px; height: 52px; display: grid; place-items: center;
    border-radius: 14px; position: relative; z-index: 1;
    background: linear-gradient(135deg, var(--primary), var(--secondary-2));
    border: 1px solid var(--line-strong);
    color: #fff; font-weight: 800; font-size: 0.9rem;
    box-shadow: var(--shadow-glow);
}
.timeline-item h3 { margin: 4px 0 6px; font-size: 1.08rem; }
.timeline-item > div > p { margin: 0; color: var(--muted); font-size: 0.88rem; line-height: 1.75; }
.timeline-item ul { margin: 12px 0 0; padding-inline-start: 18px; color: var(--muted); font-size: 0.85rem; line-height: 1.9; }

/* Steps (experience) */
.steps { display: grid; gap: 10px; margin-top: 22px; }
.step {
    padding: 16px; display: flex; gap: 14px; border-radius: 14px;
    border: 1px solid transparent;
    transition: background var(--transition-fast), border-color var(--transition-fast);
}
.step:hover { background: var(--primary-soft); border-color: var(--line); }
.step-num {
    width: 34px; height: 34px; flex: 0 0 34px;
    display: grid; place-items: center; border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--secondary-2));
    color: #fff; font-weight: 800; font-size: 0.78rem;
}
.step strong { display: block; font-size: 0.95rem; }
.step p { margin: 4px 0 0; color: var(--muted); font-size: 0.84rem; line-height: 1.7; }

/* ---------- 15. Dashboard preview ---------- */
.experience-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: 56px; align-items: center; }
.experience-grid > div > p { color: var(--muted); line-height: 1.85; }
.dashboard {
    border: 1px solid var(--line-strong); border-radius: var(--radius-lg);
    padding: 20px;
    background: linear-gradient(145deg, #210c31, #100316);
    box-shadow: var(--shadow-soft);
    position: relative; overflow: hidden;
}
html.light .dashboard { background: linear-gradient(160deg, #ffffff, #efe8f7); }
.dash-head {
    display: flex; justify-content: space-between; align-items: center; gap: 10px;
    font-size: 0.68rem; margin-bottom: 14px; color: var(--muted);
    font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
}
.dash-tag {
    font-size: 0.58rem; font-weight: 700; letter-spacing: 0.08em;
    padding: 4px 9px; border-radius: 99px;
    border: 1px solid var(--line); color: var(--secondary);
    background: var(--secondary-soft);
}
.dash-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.dash-metric {
    border: 1px solid var(--line); border-radius: 12px; padding: 13px;
    color: var(--muted); font-size: 0.62rem; letter-spacing: 0.04em;
    background: color-mix(in srgb, var(--surface) 60%, transparent);
}
.dash-metric b { display: block; font-size: 1.35rem; color: var(--text); margin-top: 6px; letter-spacing: -0.02em; }
.dash-metric small { font-size: 0.62rem; color: var(--muted); font-weight: 600; }
.dash-delta { color: var(--success); font-weight: 700; font-size: 0.62rem; }
.chart {
    grid-column: span 2; height: 130px;
    border: 1px solid var(--line); border-radius: 12px; overflow: hidden;
    background:
        linear-gradient(var(--line) 1px, transparent 1px) 0 0 / 100% 26px,
        color-mix(in srgb, var(--surface) 60%, transparent);
    position: relative;
}
.chart svg { width: 100%; height: 100%; display: block; }
.chart path { stroke: var(--secondary); stroke-width: 2.6; fill: none; stroke-linecap: round; }
.chart .chart-fill { stroke: none; fill: url(#chart-area); opacity: 0; transition: opacity 1s ease 0.9s; }
.chart.drawn .chart-fill { opacity: 1; }

/* ---------- 16. Comparison ---------- */
.compare-card {
    border: 1px solid var(--line-strong); border-radius: var(--radius-lg);
    background: linear-gradient(165deg, color-mix(in srgb, var(--surface-2) 60%, transparent), var(--surface));
    padding: 26px; overflow: hidden; position: relative;
}
.compare-tabs { display: inline-flex; gap: 4px; padding: 4px; border: 1px solid var(--line); border-radius: 12px; background: color-mix(in srgb, var(--surface) 80%, transparent); margin-bottom: 22px; }
.compare-tab {
    padding: 9px 18px; border-radius: 9px; font-size: 0.78rem; font-weight: 700; color: var(--muted);
    transition: background var(--transition-fast), color var(--transition-fast);
}
.compare-tab[aria-selected="true"] { background: linear-gradient(120deg, var(--secondary), var(--secondary-2)); color: #100316; }
html.light .compare-tab[aria-selected="true"] { color: #fff; }
.compare-rows { display: grid; gap: 16px; }
.compare-row { font-size: 0.78rem; color: var(--muted); }
.compare-row .compare-top { display: flex; justify-content: space-between; margin-bottom: 7px; }
.compare-row .compare-top b { color: var(--text); }
.compare-row .compare-top .delta { color: var(--success); font-weight: 700; }
.compare-bar { height: 9px; border-radius: 99px; background: var(--surface-2); border: 1px solid var(--line); overflow: hidden; }
.compare-bar i {
    display: block; height: 100%; width: 0; border-radius: inherit;
    background: linear-gradient(90deg, var(--secondary), var(--secondary-2));
    transition: width 1.1s cubic-bezier(0.22, 0.8, 0.3, 1);
}
.compare-bar.dim i { background: var(--surface-3); }
html.light .compare-bar.dim i { background: #e4d9f0; }
.compare-summary {
    margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line);
    display: flex; justify-content: space-between; align-items: center; gap: 12px;
    font-size: 0.8rem; color: var(--muted);
}
.compare-summary b { font-size: 1.5rem; color: var(--success); letter-spacing: -0.02em; }

/* ---------- 17. Misc components ---------- */
.stack-pills { display: flex; flex-wrap: wrap; gap: 10px; }
.stack-pill {
    padding: 10px 16px; border: 1px solid var(--line); border-radius: 99px;
    font-size: 0.82rem; font-weight: 600; color: var(--muted);
    background: color-mix(in srgb, var(--surface) 80%, transparent);
    transition: border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}
.stack-pill:hover { border-color: var(--secondary); color: var(--text); transform: translateY(-2px); }
.stack-pill.on-dark { background: rgba(255, 255, 255, 0.06); color: var(--text); }
html.light .stack-pill.on-dark {
    background: var(--primary-soft);
    color: var(--text);
    border-color: var(--line);
}

/* CTA */
.cta-section { padding: 84px 0; }
.cta-box {
    position: relative; overflow: hidden; padding: 64px 44px; text-align: center;
    border: 1px solid var(--line-strong); border-radius: 28px;
    background:
        radial-gradient(600px 260px at 50% -80px, rgba(217, 95, 245, 0.14), transparent 70%),
        linear-gradient(130deg, #2d0f62, #7a2e9c);
    color: #fff; box-shadow: var(--shadow-soft);
}
html.light .cta-box {
    background:
        radial-gradient(600px 260px at 50% -80px, rgba(168, 85, 216, 0.18), transparent 70%),
        linear-gradient(130deg, #4c1d95, #7c3aed);
}
.cta-box::before {
    content: ''; position: absolute; inset: 0; pointer-events: none;
    background-image:
        linear-gradient(rgba(217, 95, 245, 0.09) 1px, transparent 1px),
        linear-gradient(90deg, rgba(217, 95, 245, 0.09) 1px, transparent 1px);
    background-size: 42px 42px;
    mask-image: radial-gradient(closest-side at 50% 40%, black, transparent);
}
.cta-box::after {
    content: ''; position: absolute; inset-inline: 15%; top: 0; height: 1px;
    background: linear-gradient(90deg, transparent, var(--secondary), transparent);
    opacity: 0.8;
}
.cta-box h2 { position: relative; font-size: clamp(1.7rem, 3.5vw, 2.4rem); letter-spacing: -0.03em; margin: 0; }
.cta-box p { position: relative; opacity: 0.85; margin: 14px auto 28px; max-width: 520px; font-size: 0.94rem; line-height: 1.8; }
.cta-box .btn { position: relative; background: #fff; color: #541c83; }
.cta-box .btn:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3); }

/* Pricing */
.pricing-section { padding: 0 0 12px; }
.pricing-section-compact { padding: 0; }
.pricing-banner {
    display: flex; align-items: center; justify-content: space-between; gap: 24px;
    padding: 28px 30px; margin-bottom: 34px; border: 1px solid var(--line-strong); border-radius: var(--radius-lg);
    background:
        radial-gradient(420px 180px at 0% 0%, rgba(217, 95, 245, 0.16), transparent 70%),
        linear-gradient(135deg, color-mix(in srgb, var(--surface) 92%, transparent), color-mix(in srgb, var(--primary) 16%, transparent));
}
.pricing-banner-copy h3 { margin: 10px 0 8px; font-size: clamp(1.25rem, 2.4vw, 1.7rem); letter-spacing: -0.03em; }
.pricing-banner-copy p { margin: 0; color: var(--muted); line-height: 1.75; max-width: 620px; }
.pricing-banner-badge {
    flex-shrink: 0; width: 92px; height: 92px; border-radius: 50%; display: grid; place-content: center; text-align: center;
    font-size: 2rem; font-weight: 800; line-height: 1;
    border: 1px solid var(--line-strong);
    background: linear-gradient(145deg, rgba(217, 95, 245, 0.24), rgba(55, 19, 133, 0.35));
    box-shadow: 0 0 40px rgba(217, 95, 245, 0.18);
}
.pricing-banner-badge small { display: block; margin-top: 4px; font-size: 0.62rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.pricing-tabs-wrap { display: flex; justify-content: center; margin-bottom: 28px; }
.pricing-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; align-items: stretch; }
.pricing-grid-compact .plan-features { max-height: 220px; overflow: auto; }
.plan-card {
    position: relative; display: flex; flex-direction: column; gap: 16px; min-height: 100%;
    padding: 24px 22px 22px; border: 1px solid var(--line); border-radius: var(--radius-lg);
    background: color-mix(in srgb, var(--surface) 88%, transparent);
}
.plan-card-featured {
    border-color: color-mix(in srgb, var(--secondary) 55%, var(--line));
    box-shadow: 0 18px 50px rgba(217, 95, 245, 0.12);
    transform: translateY(-4px);
}
.plan-badge {
    position: absolute; top: 16px; inset-inline-end: 16px;
    padding: 5px 10px; border-radius: 999px; font-size: 0.66rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase;
    background: linear-gradient(120deg, var(--secondary), var(--secondary-2)); color: #100316;
}
html.light .plan-badge { color: #fff; }
.plan-head h3 { margin: 0; font-size: 1.15rem; letter-spacing: -0.02em; }
.plan-head p { margin: 8px 0 0; color: var(--muted); font-size: 0.86rem; line-height: 1.65; min-height: 2.8em; }
.plan-price { display: flex; align-items: baseline; gap: 8px; padding: 12px 0 4px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.plan-price b { font-size: 2rem; letter-spacing: -0.04em; line-height: 1; }
.plan-price span { color: var(--muted); font-size: 0.82rem; font-weight: 600; }
.plan-features { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; flex: 1; }
.plan-features li { display: flex; align-items: flex-start; gap: 10px; font-size: 0.82rem; line-height: 1.45; }
.plan-features li.is-off { opacity: 0.45; }
.plan-feature-icon {
    flex-shrink: 0; width: 18px; height: 18px; border-radius: 50%; display: grid; place-content: center;
    font-size: 0.68rem; font-weight: 800;
    background: color-mix(in srgb, var(--secondary) 18%, transparent); color: var(--secondary);
}
.plan-features li.is-off .plan-feature-icon { background: color-mix(in srgb, var(--muted) 16%, transparent); color: var(--muted); }
.plan-actions { margin-top: auto; padding-top: 4px; }
.plan-actions .btn { width: 100%; justify-content: center; }
.pricing-note { margin-top: 28px; text-align: center; color: var(--muted); font-size: 0.88rem; line-height: 1.75; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 36px; align-items: start; }
.info-card {
    padding: 22px; border: 1px solid var(--line); border-radius: var(--radius);
    background: color-mix(in srgb, var(--surface) 85%, transparent); margin-bottom: 14px;
    transition: border-color var(--transition-fast);
}
.info-card:hover { border-color: var(--line-strong); }
.info-card .label { font-size: 0.7rem; font-weight: 800; color: var(--secondary); text-transform: uppercase; letter-spacing: 0.12em; }
.info-card .value { margin-top: 6px; font-size: 0.95rem; }
.contact-form {
    padding: 30px; border: 1px solid var(--line); border-radius: var(--radius-lg);
    background: color-mix(in srgb, var(--surface) 90%, transparent);
}
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.82rem; font-weight: 600; margin-bottom: 6px; color: var(--muted); }
.form-group input, .form-group textarea, .form-group select {
    width: 100%; padding: 12px 14px;
    border: 1px solid var(--line); border-radius: 11px;
    background: var(--bg); color: var(--text); font: inherit;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-group input:focus, .form-group textarea:focus {
    outline: none; border-color: var(--secondary); box-shadow: 0 0 0 3px var(--secondary-soft);
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-note { font-size: 0.78rem; color: var(--muted); margin-top: 12px; }

/* ---------- 18. Footer ---------- */
.site-footer {
    border-top: 1px solid var(--line); padding: 56px 0 28px;
    color: var(--muted); font-size: 0.82rem;
    background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--surface) 60%, transparent));
}
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 32px; margin-bottom: 38px; }
.footer-brand p { margin: 14px 0 0; line-height: 1.75; max-width: 280px; }
.footer-col h4 { color: var(--text); font-size: 0.8rem; margin: 0 0 14px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; }
.footer-col a { display: block; width: fit-content; padding: 4px 0; transition: color var(--transition-fast), transform var(--transition-fast); }
.footer-col a:hover { color: var(--secondary); transform: translateX(3px); }
html[dir="rtl"] .footer-col a:hover { transform: translateX(-3px); }
.footer-bottom {
    display: flex; justify-content: space-between; align-items: center;
    gap: 14px; padding-top: 24px; border-top: 1px solid var(--line);
}

/* ---------- 19. Reveal / scroll animations ---------- */
.reveal, .reveal-left, .reveal-scale {
    opacity: 0;
    transition: opacity var(--transition-slow), transform var(--transition-slow);
    will-change: opacity, transform;
}
.reveal { transform: translateY(24px); }
.reveal-left { transform: translateX(-26px); }
html[dir="rtl"] .reveal-left { transform: translateX(26px); }
.reveal-scale { transform: scale(0.96); }
.reveal.visible, .reveal-left.visible, .reveal-scale.visible {
    opacity: 1; transform: none;
}
/* Stagger for grids: children get incremental delay */
[data-stagger] > .reveal:nth-child(1) { transition-delay: 0s; }
[data-stagger] > .reveal:nth-child(2) { transition-delay: 0.09s; }
[data-stagger] > .reveal:nth-child(3) { transition-delay: 0.18s; }
[data-stagger] > .reveal:nth-child(4) { transition-delay: 0.27s; }
[data-stagger] > .reveal:nth-child(5) { transition-delay: 0.36s; }
[data-stagger] > .reveal:nth-child(6) { transition-delay: 0.45s; }
[data-stagger] > .reveal:nth-child(7) { transition-delay: 0.54s; }
[data-stagger] > .reveal:nth-child(8) { transition-delay: 0.63s; }

/* ---------- 20. Keyframes ---------- */
@keyframes hero-in { to { opacity: 1; transform: none; } }
@keyframes drift { to { transform: translate(46px, 28px) scale(1.08); } }
@keyframes grid-shift { to { background-position: 56px 56px, 56px 56px; } }
@keyframes pulse { 70% { box-shadow: 0 0 0 8px transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }
@keyframes float { 50% { transform: translateY(-9px); } }
@keyframes spinSlow { to { transform: rotate(360deg); } }
@keyframes bars { from { transform: scaleY(1); } to { transform: scaleY(0.45); } }
.float-bars i { transform-origin: bottom; }
@keyframes scan { 0%, 100% { top: 10%; opacity: 0.15; } 12% { opacity: 0.6; } 50% { top: 86%; opacity: 0.6; } 88% { opacity: 0.6; } }

/* ---------- 21. Responsive ---------- */
@media (max-width: 1080px) {
    .hero-home .hero-inner { grid-template-columns: 1fr; gap: 24px; }
    .hud-wrap { order: -1; min-height: 480px; }
    .experience-grid, .model-grid, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
}
@media (max-width: 960px) {
    .section { padding: 68px 0; }
    .card-grid.cols-3, .card-grid.cols-4, .pricing-grid { grid-template-columns: repeat(2, 1fr); }
    .screen-grid, .arch-flow, .pipeline { grid-template-columns: 1fr 1fr; }
    .arch-node:not(:last-child)::after { display: none; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .hero-home { padding-top: 24px; }
    .float-one { inset-inline-start: 0; }
    .float-two { inset-inline-end: 0; }
}
@media (max-width: 640px) {
    .card-grid.cols-2, .card-grid.cols-3, .card-grid.cols-4,
    .screen-grid, .arch-flow, .pipeline, .pricing-grid { grid-template-columns: 1fr; }
    .pricing-banner { flex-direction: column; align-items: flex-start; }
    .plan-card-featured { transform: none; }
    .timeline::before { display: none; }
    .timeline-item { grid-template-columns: 56px 1fr; gap: 14px; }
    .timeline-num { width: 44px; height: 44px; border-radius: 12px; }
    .hud-wrap { min-height: 0; padding-block: 28px 40px; }
    .float-one { top: 4px; }
    .float-two { bottom: 8px; }
    .float-three { display: none; }
    .mini-stats { flex-wrap: wrap; gap: 14px 22px; }
    .compare-summary { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 560px) {
    .container { width: min(100% - 28px, var(--container-width)); }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .btn-row .btn { width: 100%; justify-content: center; }
    .cta-box { padding: 44px 22px; }
    .dash-grid { grid-template-columns: 1fr 1fr; }
    .cap-strip .container { gap: 10px 20px; }
}

/* ---------- 22. Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        transition-delay: 0s !important;
    }
    .hero-enter { opacity: 1; transform: none; animation: none; }
    .reveal, .reveal-left, .reveal-scale { opacity: 1; transform: none; }
    .scan-line, .page-bg .grid, .page-bg .orb { animation: none; }
    .compare-bar i { transition: none; }
}