/* ============================================================
   KMDigital Solutions — Design System
   Author: KMDigital Solutions
   ============================================================ */

/* ── 1. Tokens ───────────────────────────────────────────── */
:root {
    /* Brand — sampled from the logo mark.
       --viv-* are the vivid decorative values: gradients, glows, fills
       behind dark text. --brand-* are the text-safe equivalents and are
       redefined per theme so accent TEXT always clears WCAG AA. */
    --viv-1: #38bdf8;
    --viv-2: #4ade80;
    --viv-3: #a78bfa;
    --viv-4: #fbbf24;
    --grad-viv: linear-gradient(120deg, var(--viv-1) 0%, var(--viv-2) 55%, var(--viv-4) 100%);

    /* Type */
    --font-display: Sora, ui-sans-serif, system-ui, sans-serif;
    --font-body: Inter, ui-sans-serif, system-ui, -apple-system, sans-serif;
    --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;

    --step--1: clamp(0.75rem, 0.72rem + 0.15vw, 0.82rem);
    --step-0:  clamp(0.875rem, 0.84rem + 0.18vw, 0.95rem);
    --step-1:  clamp(1rem, 0.95rem + 0.25vw, 1.15rem);
    --step-2:  clamp(1.25rem, 1.15rem + 0.5vw, 1.6rem);
    --step-3:  clamp(1.6rem, 1.4rem + 1vw, 2.25rem);
    --step-4:  clamp(2.1rem, 1.6rem + 2.4vw, 3.6rem);
    --step-5:  clamp(2.6rem, 1.55rem + 4.7vw, 6rem);

    /* Space */
    --sp-1: 4px;  --sp-2: 8px;  --sp-3: 12px; --sp-4: 16px;
    --sp-5: 24px; --sp-6: 32px; --sp-7: 48px; --sp-8: 64px;
    --sp-9: 96px;

    /* Radii */
    --r-sm: 10px; --r-md: 14px; --r-lg: 20px; --r-xl: 28px; --r-2xl: 36px; --r-full: 999px;

    /* Motion */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.34, 1.4, 0.64, 1);
    --ease-io: cubic-bezier(0.65, 0, 0.35, 1);
    --dur-1: 0.18s; --dur-2: 0.32s; --dur-3: 0.55s; --dur-4: 0.85s;

    /* Layout */
    --maxw: 1240px;
    --header-h: 72px;
}

/* Dark (default) */
:root,
[data-theme="dark"] {
    color-scheme: dark;
    --brand-1: #38bdf8;   /* 9.41:1 on --bg */
    --brand-2: #4ade80;   /* 11.56:1 */
    --brand-3: #a78bfa;
    --brand-4: #fbbf24;
    --brand-grad: var(--grad-viv);
    --bg: #05070c;
    --bg-elev: #0a0f18;
    --surface: rgba(255, 255, 255, 0.028);
    --surface-2: rgba(255, 255, 255, 0.06);
    --surface-solid: rgba(11, 16, 26, 0.9);
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.17);
    --text: #f1f5f9;
    --text-dim: #94a3b8;
    --text-mute: #71809a;   /* 5.04:1 */
    --shadow-lg: 0 24px 60px -12px rgba(0, 0, 0, 0.75);
    --shadow-md: 0 10px 30px -8px rgba(0, 0, 0, 0.55);
    --glow: rgba(56, 189, 248, 0.15);
    --photo-opacity: 0.45;
    --scrim: rgba(3, 5, 8, 0.8);
    --on-accent: #04121c;
}

[data-theme="light"] {
    color-scheme: light;
    --brand-1: #0369a1;   /* 5.48:1 on --bg */
    --brand-2: #15803d;   /* 4.63:1 */
    --brand-3: #6d28d9;   /* 6.56:1 */
    --brand-4: #a16207;   /* 4.54:1 */
    --brand-grad: linear-gradient(120deg, #0369a1 0%, #15803d 55%, #a16207 100%);
    --bg: #f3f6fb;
    --bg-elev: #ffffff;
    --surface: rgba(255, 255, 255, 0.7);
    --surface-2: rgba(255, 255, 255, 0.96);
    --surface-solid: rgba(255, 255, 255, 0.96);
    --border: rgba(15, 23, 42, 0.09);
    --border-strong: rgba(15, 23, 42, 0.2);
    --text: #0b1220;
    --text-dim: #52627a;
    --text-mute: #5d6b80;   /* 5.00:1 */
    --shadow-lg: 0 24px 60px -18px rgba(15, 23, 42, 0.24);
    --shadow-md: 0 10px 28px -10px rgba(15, 23, 42, 0.16);
    --glow: rgba(56, 189, 248, 0.22);
    --photo-opacity: 0.05;
    --scrim: rgba(243, 246, 251, 0.75);
    --on-accent: #04121c;
}

/* ── 2. Reset ────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-h) + 24px);
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: var(--font-body);
    font-size: var(--step-0);
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color var(--dur-3) var(--ease-out), color var(--dur-3) var(--ease-out);
}

body.is-locked { overflow: hidden; }

h1, h2, h3, h4 {
    font-family: var(--font-display);
    margin: 0; line-height: 1.08; letter-spacing: -0.03em; font-weight: 700;
}
p { margin: 0; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; border: none; background: none; cursor: pointer; }
input, textarea, select { font: inherit; color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }

:focus-visible { outline: 2px solid var(--brand-1); outline-offset: 3px; border-radius: 6px; }
::selection { background: var(--viv-1); color: #05070c; }

* { scrollbar-width: thin; scrollbar-color: var(--border-strong) transparent; }
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 99px; border: 3px solid transparent; background-clip: content-box; }
*::-webkit-scrollbar-thumb:hover { background: var(--text-mute); background-clip: content-box; }

.skip-link {
    position: fixed; top: 12px; left: 12px; z-index: 10000;
    padding: 10px 18px; border-radius: var(--r-full);
    background: var(--viv-1); color: #05070c; font-weight: 700; font-size: var(--step--1);
    transform: translateY(-220%); transition: transform var(--dur-2) var(--ease-out);
}
.skip-link:focus { transform: translateY(0); }

.sr-only {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ── 3. Ambient background ───────────────────────────────── */
.bg-stack { position: fixed; inset: 0; z-index: -3; pointer-events: none; overflow: hidden; }

.bg-photo {
    position: absolute; inset: -6% 0;
    background-position: center; background-size: cover; background-repeat: no-repeat;
    opacity: var(--photo-opacity);
    transition: opacity var(--dur-4) var(--ease-out);
    will-change: transform;
}

.bg-scrim {
    position: absolute; inset: 0;
    background:
        radial-gradient(120% 78% at 50% 0%, transparent 0%, var(--bg) 76%),
        linear-gradient(to bottom, var(--scrim), var(--bg) 72%);
}

.aurora { position: absolute; inset: -25%; filter: blur(90px); opacity: 0.55; }
.aurora i { position: absolute; display: block; border-radius: 50%; animation: drift 26s var(--ease-io) infinite alternate; }
.aurora i:nth-child(1) { width: 46vw; height: 46vw; left: -8%;  top: 2%;    background: radial-gradient(circle, rgba(56,189,248,0.5), transparent 68%); }
.aurora i:nth-child(2) { width: 40vw; height: 40vw; right: -6%; top: 22%;   background: radial-gradient(circle, rgba(74,222,128,0.36), transparent 68%); animation-duration: 32s; animation-delay: -7s; }
.aurora i:nth-child(3) { width: 34vw; height: 34vw; left: 34%;  bottom: -10%; background: radial-gradient(circle, rgba(167,139,250,0.34), transparent 68%); animation-duration: 38s; animation-delay: -14s; }

@keyframes drift {
    from { transform: translate3d(0, 0, 0) scale(1); }
    to   { transform: translate3d(6vw, -5vh, 0) scale(1.18); }
}

.bg-grid {
    position: absolute; inset: 0; opacity: 0.55;
    background-image:
        linear-gradient(to right, var(--border) 1px, transparent 1px),
        linear-gradient(to bottom, var(--border) 1px, transparent 1px);
    background-size: 68px 68px;
    -webkit-mask-image: radial-gradient(92% 58% at 50% 16%, #000 8%, transparent 74%);
    mask-image: radial-gradient(92% 58% at 50% 16%, #000 8%, transparent 74%);
}

.bg-noise {
    position: fixed; inset: 0; z-index: 60; pointer-events: none; opacity: 0.038;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ── 4. Layout primitives ────────────────────────────────── */
.shell { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: clamp(18px, 4vw, 40px); }
.section { padding-block: clamp(56px, 9vw, var(--sp-9)); position: relative; }

.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--sp-5); margin-bottom: var(--sp-6); flex-wrap: wrap; }
.section-title { font-size: var(--step-3); margin-top: var(--sp-3); }
.section-lede { color: var(--text-dim); max-width: 54ch; margin-top: var(--sp-3); }

.eyebrow {
    display: inline-flex; align-items: center; gap: var(--sp-2);
    font-family: var(--font-mono); font-size: 0.68rem; font-weight: 500;
    letter-spacing: 0.18em; text-transform: uppercase; color: var(--brand-1);
}
.eyebrow::before { content: ""; width: 22px; height: 1px; background: linear-gradient(to right, transparent, var(--brand-1)); }

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

.divider { height: 1px; background: linear-gradient(to right, transparent, var(--border-strong), transparent); border: 0; margin: 0; }

/* ── 5. Buttons ──────────────────────────────────────────── */
.btn {
    position: relative; display: inline-flex; align-items: center; justify-content: center;
    gap: var(--sp-2); padding: 13px 24px; border-radius: var(--r-full);
    font-size: var(--step--1); font-weight: 600; letter-spacing: 0.01em;
    border: 1px solid transparent; overflow: hidden; white-space: nowrap;
    transition: transform var(--dur-2) var(--ease-spring), box-shadow var(--dur-2) var(--ease-out),
                background-color var(--dur-2) var(--ease-out), border-color var(--dur-2) var(--ease-out),
                color var(--dur-2) var(--ease-out);
}
.btn svg { width: 16px; height: 16px; flex: none; }
.btn:active { transform: scale(0.97); }
.btn::after {
    content: ""; position: absolute; inset: 0; pointer-events: none;
    background: linear-gradient(115deg, transparent 35%, rgba(255,255,255,0.3) 50%, transparent 65%);
    transform: translateX(-130%); transition: transform 0.75s var(--ease-out);
}
.btn:hover::after { transform: translateX(130%); }

.btn-primary { background: var(--grad-viv); color: var(--on-accent); font-weight: 700; box-shadow: 0 8px 26px -8px rgba(56, 189, 248, 0.55); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 38px -10px rgba(56, 189, 248, 0.7); }

.btn-ghost { background: var(--surface); border-color: var(--border); color: var(--text); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
.btn-ghost:hover { background: var(--surface-2); border-color: var(--border-strong); transform: translateY(-2px); }

.btn-sm { padding: 9px 16px; font-size: 0.76rem; }
.btn-block { width: 100%; }

/* ── 6. Header / nav ─────────────────────────────────────── */
.site-header {
    position: fixed; inset: 0 0 auto 0; z-index: 900; height: var(--header-h);
    display: flex; align-items: center; border-bottom: 1px solid transparent;
    transition: background-color var(--dur-3) var(--ease-out), border-color var(--dur-3) var(--ease-out);
}
.site-header.is-stuck {
    background: color-mix(in srgb, var(--bg) 74%, transparent);
    backdrop-filter: blur(20px) saturate(160%); -webkit-backdrop-filter: blur(20px) saturate(160%);
    border-bottom-color: var(--border);
}
.header-inner { display: flex; align-items: center; gap: var(--sp-4); width: 100%; }

.brand { display: flex; align-items: center; gap: 11px; flex: none; }
.brand-mark {
    width: 40px; height: 40px; display: grid; place-items: center; padding: 5px;
    border-radius: var(--r-md); border: 1px solid var(--border); background: var(--surface);
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
    transition: transform var(--dur-2) var(--ease-spring), border-color var(--dur-2);
}
.brand:hover .brand-mark { transform: rotate(-6deg) scale(1.06); border-color: var(--brand-1); }
.brand-mark img { width: 100%; height: 100%; object-fit: contain; }
.brand-name { font-family: var(--font-display); font-weight: 700; font-size: 1rem; letter-spacing: -0.02em; line-height: 1.05; }
.brand-name em { font-style: normal; color: var(--brand-1); }
.brand-name small {
    display: block; font-family: var(--font-mono); font-size: 0.55rem; font-weight: 400;
    letter-spacing: 0.26em; text-transform: uppercase; color: var(--text-mute); margin-top: 3px;
}

.nav-desktop {
    position: relative; display: flex; gap: 2px; margin-left: auto; padding: 4px;
    border-radius: var(--r-full); background: var(--surface); border: 1px solid var(--border);
    backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
}
.nav-desktop a {
    position: relative; z-index: 1; padding: 8px 16px; border-radius: var(--r-full);
    font-size: 0.79rem; font-weight: 500; color: var(--text-dim);
    transition: color var(--dur-2) var(--ease-out);
}
.nav-desktop a:hover, .nav-desktop a[aria-current="true"] { color: var(--text); }
.nav-pill {
    position: absolute; top: 4px; left: 0; height: calc(100% - 8px); border-radius: var(--r-full);
    background: var(--surface-2); z-index: 0; opacity: 0;
    transition: transform var(--dur-3) var(--ease-out), width var(--dur-3) var(--ease-out), opacity var(--dur-2);
}

.header-actions { display: flex; align-items: center; gap: var(--sp-2); flex: none; }

.icon-btn {
    width: 38px; height: 38px; display: grid; place-items: center; border-radius: var(--r-md);
    border: 1px solid var(--border); background: var(--surface); color: var(--text-dim);
    backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    transition: color var(--dur-2), border-color var(--dur-2), background-color var(--dur-2), transform var(--dur-2) var(--ease-spring);
}
.icon-btn:hover { color: var(--text); border-color: var(--border-strong); background: var(--surface-2); transform: translateY(-2px); }
.icon-btn svg { width: 17px; height: 17px; }

.cmdk-trigger {
    display: flex; align-items: center; gap: 10px; height: 38px; padding: 0 10px 0 14px;
    border-radius: var(--r-md); border: 1px solid var(--border); background: var(--surface);
    color: var(--text-mute); font-size: 0.78rem;
    backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    transition: color var(--dur-2), border-color var(--dur-2), background-color var(--dur-2);
}
.cmdk-trigger:hover { color: var(--text); border-color: var(--border-strong); background: var(--surface-2); }
.cmdk-trigger svg { width: 15px; height: 15px; }
.cmdk-trigger kbd {
    font-family: var(--font-mono); font-size: 0.66rem; padding: 3px 6px; border-radius: 6px;
    border: 1px solid var(--border); background: var(--surface-2); color: var(--text-dim);
}

.theme-toggle .i-sun { display: none; }
[data-theme="light"] .theme-toggle .i-sun { display: block; }
[data-theme="light"] .theme-toggle .i-moon { display: none; }

.burger {
    display: none; width: 38px; height: 38px; border-radius: var(--r-md);
    border: 1px solid var(--border); background: var(--surface); position: relative;
    backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
}
.burger span {
    position: absolute; left: 50%; width: 17px; height: 1.6px; border-radius: 2px; background: var(--text);
    transform: translateX(-50%); transition: transform var(--dur-2) var(--ease-out), opacity var(--dur-1);
}
.burger span:nth-child(1) { top: 13px; }
.burger span:nth-child(2) { top: 18.2px; }
.burger span:nth-child(3) { top: 23.4px; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateX(-50%) translateY(5.2px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; transform: translateX(-50%) scaleX(0.2); }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateX(-50%) translateY(-5.2px) rotate(-45deg); }

.nav-mobile {
    position: fixed; inset: var(--header-h) 0 auto 0; z-index: 890;
    padding: var(--sp-4) clamp(18px, 4vw, 40px) var(--sp-6);
    background: color-mix(in srgb, var(--bg) 94%, transparent);
    backdrop-filter: blur(24px) saturate(160%); -webkit-backdrop-filter: blur(24px) saturate(160%);
    border-bottom: 1px solid var(--border);
    display: grid; gap: 2px;
    transform: translateY(-14px); opacity: 0; visibility: hidden;
    transition: transform var(--dur-3) var(--ease-out), opacity var(--dur-2), visibility var(--dur-2);
}
.nav-mobile.is-open { transform: translateY(0); opacity: 1; visibility: visible; }
.nav-mobile a {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 16px; border-radius: var(--r-md); font-size: 0.98rem; font-weight: 500; color: var(--text-dim);
    transition: background-color var(--dur-2), color var(--dur-2);
}
.nav-mobile a:hover, .nav-mobile a[aria-current="true"] { background: var(--surface-2); color: var(--text); }
.nav-mobile a span { font-family: var(--font-mono); font-size: 0.66rem; color: var(--text-mute); }
.nav-mobile .btn { margin-top: var(--sp-3); }

.scroll-progress {
    position: fixed; inset: 0 0 auto 0; height: 2px; z-index: 950;
    background: var(--grad-viv); transform-origin: 0 50%; transform: scaleX(0);
}

/* ── 7. Hero ─────────────────────────────────────────────── */
.hero { padding-top: calc(var(--header-h) + clamp(40px, 8vw, 96px)); padding-bottom: clamp(32px, 6vw, 64px); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); gap: clamp(32px, 5vw, 72px); align-items: center; }

.status-chip {
    display: inline-flex; align-items: center; gap: 9px; padding: 7px 14px 7px 10px;
    border-radius: var(--r-full); border: 1px solid var(--border); background: var(--surface);
    backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    font-size: 0.73rem; font-weight: 500; color: var(--text-dim);
}
.status-chip b { color: var(--text); font-weight: 600; }
.pulse-dot { position: relative; width: 7px; height: 7px; border-radius: 50%; background: var(--viv-2); flex: none; }
.pulse-dot::after {
    content: ""; position: absolute; inset: 0; border-radius: 50%; background: var(--viv-2);
    animation: pulse 2.2s var(--ease-out) infinite;
}
@keyframes pulse {
    0%   { transform: scale(1); opacity: 0.7; }
    70%  { transform: scale(3.2); opacity: 0; }
    100% { transform: scale(3.2); opacity: 0; }
}

.hero h1 { font-size: var(--step-5); font-weight: 800; margin: var(--sp-5) 0 0; letter-spacing: -0.045em; }
.hero h1 .line { display: block; overflow: hidden; }
.hero h1 .line > span { display: block; }
/* Scoped to html.js so the headline is never hidden when the script fails. */
html.js .hero h1 .line > span { transform: translateY(105%); transition: transform 0.9s var(--ease-out); }
html.js .hero.is-in h1 .line > span { transform: translateY(0); }
html.js .hero h1 .line:nth-child(2) > span { transition-delay: 0.1s; }

.hero-sub { font-size: var(--step-1); color: var(--text-dim); max-width: 46ch; margin-top: var(--sp-5); line-height: 1.62; }
.hero-sub b { color: var(--text); font-weight: 600; }
.hero-cta { display: flex; flex-wrap: wrap; gap: var(--sp-3); margin-top: var(--sp-6); }

.hero-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--sp-3); margin-top: var(--sp-7); }
.stat {
    padding: var(--sp-4) var(--sp-4) var(--sp-4);
    border-radius: var(--r-lg); border: 1px solid var(--border); background: var(--surface);
    backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    transition: border-color var(--dur-2), transform var(--dur-2) var(--ease-out), background-color var(--dur-2);
}
.stat:hover { border-color: var(--border-strong); transform: translateY(-3px); background: var(--surface-2); }
.stat b { display: block; font-family: var(--font-display); font-size: var(--step-3); font-weight: 800; letter-spacing: -0.04em; line-height: 1; }
.stat span { display: block; margin-top: 8px; font-family: var(--font-mono); font-size: 0.63rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-mute); }

/* Hero visual — orbiting logo */
.hero-visual { position: relative; aspect-ratio: 1; display: grid; place-items: center; --orbit-r: clamp(120px, 15vw, 195px); }
.orbit-core {
    position: relative; z-index: 3; width: clamp(120px, 22vw, 190px); aspect-ratio: 1;
    display: grid; place-items: center; padding: clamp(16px, 3vw, 26px);
    border-radius: var(--r-2xl); border: 1px solid var(--border-strong);
    background: var(--surface-solid); box-shadow: var(--shadow-lg);
    backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
    animation: float 7s var(--ease-io) infinite alternate;
}
@keyframes float { from { transform: translateY(-8px); } to { transform: translateY(10px); } }

.orbit-ring {
    position: absolute; inset: 8%; border-radius: 50%; border: 1px dashed var(--border-strong);
    animation: spin 40s linear infinite;
}
.orbit-ring:nth-of-type(2) { inset: 22%; border-style: solid; animation-duration: 28s; animation-direction: reverse; }
@keyframes spin { to { transform: rotate(360deg); } }

.orbit-chip {
    position: absolute; top: 50%; left: 50%; padding: 7px 13px;
    border-radius: var(--r-full); border: 1px solid var(--border); background: var(--surface-solid);
    backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    font-family: var(--font-mono); font-size: 0.66rem; color: var(--text-dim); white-space: nowrap;
    box-shadow: var(--shadow-md);
    transform: translate(-50%, -50%) rotate(var(--a)) translateX(var(--r)) rotate(calc(-1 * var(--a)));
    animation: chipIn 0.7s var(--ease-spring) both;
    animation-delay: var(--d, 0s);
}
@keyframes chipIn {
    from { opacity: 0; transform: translate(-50%, -50%) rotate(var(--a)) translateX(calc(var(--r) * 0.4)) rotate(calc(-1 * var(--a))) scale(0.8); }
}
.orbit-chip i { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--c, var(--brand-1)); margin-right: 7px; vertical-align: middle; }

/* ── 8. Marquee ──────────────────────────────────────────── */
.marquee {
    position: relative; overflow: hidden; padding-block: var(--sp-5);
    border-block: 1px solid var(--border);
    -webkit-mask-image: linear-gradient(to right, transparent, #000 12%, #000 88%, transparent);
    mask-image: linear-gradient(to right, transparent, #000 12%, #000 88%, transparent);
}
.marquee-track { display: flex; width: max-content; gap: var(--sp-7); animation: marquee 42s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }
.marquee-item {
    display: inline-flex; align-items: center; gap: var(--sp-3);
    font-family: var(--font-display); font-size: clamp(0.95rem, 1.6vw, 1.25rem); font-weight: 600;
    color: var(--text-mute); letter-spacing: -0.02em;
    transition: color var(--dur-2);
}
.marquee-item:hover { color: var(--text); }
.marquee-item::after { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--viv-1); opacity: 0.5; }

/* ── 9. Cards / bento ────────────────────────────────────── */
.bento { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: clamp(14px, 1.5vw, 20px); }

.card {
    position: relative; overflow: hidden; display: flex; flex-direction: column;
    padding: clamp(20px, 2.4vw, 30px);
    border-radius: var(--r-xl); border: 1px solid var(--border); background: var(--surface);
    backdrop-filter: blur(20px) saturate(140%); -webkit-backdrop-filter: blur(20px) saturate(140%);
    box-shadow: var(--shadow-md);
    transition: border-color var(--dur-3) var(--ease-out), transform var(--dur-3) var(--ease-out), box-shadow var(--dur-3) var(--ease-out);
}
.card::before {
    content: ""; position: absolute; inset: 0; z-index: 0; opacity: 0; pointer-events: none;
    background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), var(--glow), transparent 62%);
    transition: opacity var(--dur-3) var(--ease-out);
}
.card:hover { border-color: var(--border-strong); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.card:hover::before { opacity: 1; }
.card > * { position: relative; z-index: 1; }

.card-title {
    display: flex; align-items: center; gap: var(--sp-2);
    font-family: var(--font-mono); font-size: 0.68rem; font-weight: 500;
    letter-spacing: 0.16em; text-transform: uppercase; color: var(--brand-1);
    margin-bottom: var(--sp-5);
}

.span-4 { grid-column: span 4; }
.span-5 { grid-column: span 5; }
.span-6 { grid-column: span 6; }
.span-7 { grid-column: span 7; }
.span-8 { grid-column: span 8; }
.span-12 { grid-column: span 12; }

/* ── 10. Services ────────────────────────────────────────── */
.service-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: clamp(12px, 1.4vw, 16px); }

.service {
    position: relative; overflow: hidden; padding: var(--sp-5);
    border-radius: var(--r-lg); border: 1px solid var(--border); background: var(--surface);
    transition: border-color var(--dur-2), background-color var(--dur-2), transform var(--dur-2) var(--ease-out);
}
.service:hover { border-color: color-mix(in srgb, var(--accent, var(--brand-1)) 45%, transparent); background: var(--surface-2); transform: translateY(-3px); }
.service-icon {
    width: 42px; height: 42px; display: grid; place-items: center; border-radius: var(--r-md);
    margin-bottom: var(--sp-4);
    color: var(--accent, var(--brand-1));
    background: color-mix(in srgb, var(--accent, var(--brand-1)) 12%, transparent);
    border: 1px solid color-mix(in srgb, var(--accent, var(--brand-1)) 26%, transparent);
    transition: transform var(--dur-2) var(--ease-spring);
}
.service:hover .service-icon { transform: translateY(-2px) rotate(-6deg) scale(1.06); }
.service-icon svg { width: 19px; height: 19px; }
.service h3 { font-size: var(--step-1); font-weight: 600; letter-spacing: -0.02em; }
.service p { margin-top: var(--sp-2); font-size: var(--step--1); color: var(--text-dim); line-height: 1.6; }
.service-meta { margin-top: var(--sp-4); display: flex; flex-wrap: wrap; gap: 6px; }

.tag {
    font-family: var(--font-mono); font-size: 0.63rem; padding: 4px 9px; border-radius: 7px;
    border: 1px solid var(--border); background: var(--surface-2); color: var(--text-mute);
}

/* ── 11. Projects ────────────────────────────────────────── */
.filter-bar { display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-3); margin-bottom: var(--sp-5); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; padding: 4px; border-radius: var(--r-full); border: 1px solid var(--border); background: var(--surface); }
.chip {
    padding: 8px 15px; border-radius: var(--r-full); font-size: 0.76rem; font-weight: 600;
    color: var(--text-dim); transition: color var(--dur-2), background-color var(--dur-2);
}
.chip:hover { color: var(--text); background: var(--surface-2); }
.chip[aria-pressed="true"] { color: var(--on-accent); background: var(--viv-1); }
.chip small { font-family: var(--font-mono); font-size: 0.62rem; opacity: 0.65; margin-left: 5px; }

.search-field { position: relative; flex: 1 1 220px; min-width: 200px; margin-left: auto; }
.search-field svg { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; color: var(--text-mute); pointer-events: none; }
.search-field input {
    width: 100%; padding: 12px 40px 12px 40px; border-radius: var(--r-full);
    border: 1px solid var(--border); background: var(--surface); color: var(--text); font-size: 0.84rem;
    transition: border-color var(--dur-2), background-color var(--dur-2);
}
.search-field input::placeholder { color: var(--text-mute); }
.search-field input:focus { outline: none; border-color: var(--brand-1); background: var(--surface-2); }
.search-clear { position: absolute; right: 10px; top: 50%; transform: translateY(-50%); width: 24px; height: 24px; border-radius: 50%; display: none; place-items: center; color: var(--text-mute); }
.search-clear.is-on { display: grid; }
.search-clear:hover { color: var(--text); background: var(--surface-2); }

.project-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(238px, 1fr)); gap: clamp(12px, 1.4vw, 16px); }

.project {
    position: relative; overflow: hidden; text-align: left; width: 100%;
    padding: var(--sp-5); border-radius: var(--r-lg);
    border: 1px solid var(--border); background: var(--surface);
    display: flex; flex-direction: column; gap: 6px; min-height: 138px;
    transition: border-color var(--dur-2), background-color var(--dur-2), transform var(--dur-2) var(--ease-out), box-shadow var(--dur-2);
    animation: cardIn 0.45s var(--ease-out) both;
}
@keyframes cardIn { from { opacity: 0; transform: translateY(14px) scale(0.98); } }
.project:hover { border-color: color-mix(in srgb, var(--brand-1) 45%, transparent); background: var(--surface-2); transform: translateY(-4px); box-shadow: var(--shadow-md); }
.project.is-hidden { display: none; }

.project-top { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-2); }
.year-badge {
    font-family: var(--font-mono); font-size: 0.62rem; font-weight: 600; letter-spacing: 0.08em;
    padding: 3px 8px; border-radius: 6px;
    color: var(--brand-1); background: color-mix(in srgb, var(--brand-1) 12%, transparent);
    border: 1px solid color-mix(in srgb, var(--brand-1) 24%, transparent);
}
.project-arrow { color: var(--text-mute); opacity: 0; transform: translate(-4px, 4px); transition: all var(--dur-2) var(--ease-out); }
.project:hover .project-arrow { opacity: 1; transform: translate(0, 0); color: var(--brand-1); }
.project-arrow svg { width: 15px; height: 15px; }

.project h3 { font-size: var(--step-1); font-weight: 600; letter-spacing: -0.025em; margin-top: 4px; }
.project p { font-size: var(--step--1); color: var(--text-dim); line-height: 1.5; }
.project-stack { margin-top: auto; padding-top: var(--sp-3); display: flex; flex-wrap: wrap; gap: 5px; }
.project-stack span { font-family: var(--font-mono); font-size: 0.6rem; color: var(--text-mute); }
.project-stack span:not(:last-child)::after { content: "·"; margin-left: 5px; opacity: 0.5; }

.empty-state { display: none; text-align: center; padding: var(--sp-8) var(--sp-4); color: var(--text-dim); }
.empty-state.is-on { display: block; }
.empty-state b { display: block; font-family: var(--font-display); font-size: var(--step-2); color: var(--text); margin-bottom: var(--sp-2); }

.result-count { font-family: var(--font-mono); font-size: 0.68rem; color: var(--text-mute); letter-spacing: 0.06em; }

/* ── 12. Process ─────────────────────────────────────────── */
.process { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: clamp(14px, 1.6vw, 20px); counter-reset: step; }
.step { position: relative; padding-top: var(--sp-5); border-top: 1px solid var(--border); counter-increment: step; }
.step::before {
    content: "0" counter(step);
    font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.16em; color: var(--brand-1);
}
.step::after {
    content: ""; position: absolute; top: -1px; left: 0; width: 0; height: 1px;
    background: var(--grad-viv); transition: width 0.9s var(--ease-out);
}
.step.is-in::after { width: 100%; }
.step h3 { font-size: var(--step-2); font-weight: 600; margin-top: var(--sp-3); }
.step p { margin-top: var(--sp-2); color: var(--text-dim); font-size: var(--step--1); line-height: 1.62; }

/* ── 13. Squad ───────────────────────────────────────────── */
.squad { display: grid; gap: var(--sp-3); }
.member {
    display: flex; align-items: center; gap: var(--sp-4); padding: var(--sp-3);
    border-radius: var(--r-lg); border: 1px solid var(--border); background: var(--surface);
    transition: transform var(--dur-2) var(--ease-out), border-color var(--dur-2), background-color var(--dur-2);
}
.member:hover { transform: translateX(5px); border-color: color-mix(in srgb, var(--brand-1) 40%, transparent); background: var(--surface-2); }
.avatar {
    position: relative; width: 46px; height: 46px; flex: none; border-radius: var(--r-md); overflow: hidden;
    display: grid; place-items: center; border: 1px solid var(--border);
    background: linear-gradient(140deg, color-mix(in srgb, var(--brand-1) 22%, transparent), color-mix(in srgb, var(--brand-2) 18%, transparent));
    font-family: var(--font-display); font-weight: 700; color: var(--brand-1);
}
.avatar img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.member-info strong { display: block; font-size: var(--step-0); font-weight: 600; }
.role-tag {
    display: inline-block; margin-top: 5px;
    font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.1em; text-transform: uppercase;
    padding: 3px 8px; border-radius: 6px;
    color: var(--brand-2); background: color-mix(in srgb, var(--brand-2) 11%, transparent);
    border: 1px solid color-mix(in srgb, var(--brand-2) 24%, transparent);
}

.mission p { color: var(--text-dim); line-height: 1.72; }
.mission p + p { margin-top: var(--sp-4); }
.mission-quote {
    margin-top: var(--sp-5); padding: var(--sp-4) var(--sp-5);
    border-left: 2px solid var(--brand-2); border-radius: 0 var(--r-md) var(--r-md) 0;
    background: color-mix(in srgb, var(--brand-2) 5%, transparent);
}
.mission-quote strong { display: block; font-family: var(--font-display); font-size: var(--step-1); }
.mission-quote span { display: block; margin-top: 4px; font-size: var(--step--1); color: var(--text-dim); }

.tech-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tech-pill {
    padding: 7px 14px; border-radius: var(--r-md); font-size: 0.78rem; font-weight: 500;
    border: 1px solid var(--border); background: var(--surface); color: var(--text-dim);
    transition: color var(--dur-2), border-color var(--dur-2), background-color var(--dur-2), transform var(--dur-2) var(--ease-spring);
    cursor: default;
}
.tech-pill:hover { color: var(--text); border-color: var(--brand-1); background: color-mix(in srgb, var(--brand-1) 8%, transparent); transform: translateY(-2px); }

/* ── 14. CTA band ────────────────────────────────────────── */
.cta-band {
    position: relative; overflow: hidden; text-align: center;
    padding: clamp(40px, 6vw, 72px) clamp(20px, 4vw, 56px);
    border-radius: var(--r-2xl); border: 1px solid var(--border);
    background: var(--surface); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
}
.cta-band::before {
    content: ""; position: absolute; inset: -50% 20% auto; height: 60%; z-index: 0;
    background: radial-gradient(closest-side, var(--glow), transparent);
    filter: blur(40px);
}
.cta-band > * { position: relative; z-index: 1; }
.cta-band h2 { font-size: var(--step-4); font-weight: 800; letter-spacing: -0.04em; margin-top: var(--sp-4); }
.cta-band p { max-width: 52ch; margin: var(--sp-4) auto 0; color: var(--text-dim); }
.cta-actions { display: flex; flex-wrap: wrap; gap: var(--sp-3); justify-content: center; margin-top: var(--sp-6); }

.copy-mail {
    display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px;
    border-radius: var(--r-full); border: 1px dashed var(--border-strong);
    font-family: var(--font-mono); font-size: 0.76rem; color: var(--text-dim);
    transition: color var(--dur-2), border-color var(--dur-2), background-color var(--dur-2);
}
.copy-mail:hover { color: var(--text); border-color: var(--brand-1); background: var(--surface); }
.copy-mail svg { width: 14px; height: 14px; }

/* ── 15. Footer ──────────────────────────────────────────── */
.site-footer { border-top: 1px solid var(--border); padding-block: var(--sp-7) var(--sp-6); margin-top: var(--sp-7); }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 1fr)); gap: var(--sp-6); }
.footer-grid p { color: var(--text-dim); font-size: var(--step--1); max-width: 40ch; margin-top: var(--sp-4); line-height: 1.65; }
.footer-col h4 { font-family: var(--font-mono); font-size: 0.64rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-mute); font-weight: 500; }
.footer-col ul { margin-top: var(--sp-4); display: grid; gap: 10px; }
.footer-col a { font-size: var(--step--1); color: var(--text-dim); transition: color var(--dur-2); }
.footer-col a:hover { color: var(--brand-1); }
.footer-base {
    display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--sp-4);
    margin-top: var(--sp-7); padding-top: var(--sp-5); border-top: 1px solid var(--border);
    font-size: 0.74rem; color: var(--text-mute);
}
.footer-base span { font-family: var(--font-mono); }

/* ── 16. Modals ──────────────────────────────────────────── */
.modal {
    position: fixed; inset: 0; z-index: 3000; display: grid; place-items: center;
    padding: var(--sp-4);
    background: color-mix(in srgb, var(--bg) 72%, transparent);
    backdrop-filter: blur(18px) saturate(140%); -webkit-backdrop-filter: blur(18px) saturate(140%);
    opacity: 0; visibility: hidden;
    transition: opacity var(--dur-2) var(--ease-out), visibility var(--dur-2);
}
.modal.is-open { opacity: 1; visibility: visible; }

.modal-panel {
    position: relative; width: min(100%, 580px); max-height: min(86vh, 780px); overflow-y: auto;
    padding: clamp(24px, 4vw, 40px);
    border-radius: var(--r-2xl); border: 1px solid var(--border-strong);
    background: var(--surface-solid); box-shadow: var(--shadow-lg);
    transform: scale(0.96) translateY(12px);
    transition: transform var(--dur-3) var(--ease-spring);
}
.modal.is-open .modal-panel { transform: scale(1) translateY(0); }
.modal-panel.is-wide { width: min(100%, 660px); }

.modal-close {
    position: absolute; top: 18px; right: 18px; width: 34px; height: 34px;
    display: grid; place-items: center; border-radius: 50%;
    border: 1px solid var(--border); background: var(--surface); color: var(--text-dim);
    transition: color var(--dur-2), background-color var(--dur-2), transform var(--dur-2) var(--ease-spring);
}
.modal-close:hover { color: var(--text); background: var(--surface-2); transform: rotate(90deg); }
.modal-close svg { width: 15px; height: 15px; }

.modal-badges { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: var(--sp-4); }
.modal h2 { font-size: var(--step-3); font-weight: 700; }
.modal-desc { margin-top: var(--sp-4); color: var(--text-dim); line-height: 1.72; }
.modal-section-label { font-family: var(--font-mono); font-size: 0.63rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-mute); margin: var(--sp-6) 0 var(--sp-3); }

.modal-nav { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-3); margin-top: var(--sp-6); padding-top: var(--sp-5); border-top: 1px solid var(--border); }
.modal-nav .btn-sm svg { width: 14px; height: 14px; }
.modal-hint { font-family: var(--font-mono); font-size: 0.63rem; color: var(--text-mute); }
.modal-hint kbd { padding: 2px 5px; border-radius: 4px; border: 1px solid var(--border); background: var(--surface-2); }

/* ── 17. Contact form ────────────────────────────────────── */
.form { display: grid; gap: var(--sp-4); margin-top: var(--sp-5); }
.field { display: grid; gap: 7px; }
.field label { font-family: var(--font-mono); font-size: 0.64rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-mute); }
.field input, .field textarea {
    width: 100%; padding: 13px 16px; border-radius: var(--r-md);
    border: 1px solid var(--border); background: var(--surface); color: var(--text);
    font-size: 0.92rem; transition: border-color var(--dur-2), background-color var(--dur-2), box-shadow var(--dur-2);
    resize: vertical;
}
.field input::placeholder, .field textarea::placeholder { color: var(--text-mute); }
.field input:focus, .field textarea:focus {
    outline: none; border-color: var(--brand-1); background: var(--surface-2);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand-1) 16%, transparent);
}
.field[data-invalid="true"] input, .field[data-invalid="true"] textarea { border-color: #f87171; background: color-mix(in srgb, #f87171 6%, transparent); }
.field-msg { min-height: 1em; font-size: 0.72rem; color: #f87171; }
.field-count { font-family: var(--font-mono); font-size: 0.64rem; color: var(--text-mute); text-align: right; }
.hp { position: absolute; left: -9999px; opacity: 0; height: 0; width: 0; }

.form-note { font-size: 0.72rem; color: var(--text-mute); text-align: center; }

.banner { display: none; padding: 14px 18px; border-radius: var(--r-md); font-size: 0.85rem; margin-top: var(--sp-5); }
.banner.is-on { display: block; animation: cardIn 0.4s var(--ease-out); }
.banner-ok { color: var(--brand-2); background: color-mix(in srgb, var(--brand-2) 9%, transparent); border: 1px solid color-mix(in srgb, var(--brand-2) 26%, transparent); }
.banner-err { color: #f87171; background: color-mix(in srgb, #f87171 9%, transparent); border: 1px solid color-mix(in srgb, #f87171 26%, transparent); }

.spinner {
    width: 15px; height: 15px; border-radius: 50%;
    border: 2px solid color-mix(in srgb, currentColor 30%, transparent); border-top-color: currentColor;
    animation: spin 0.7s linear infinite;
}

/* ── 18. Command palette ─────────────────────────────────── */
.cmdk { align-items: start; padding-top: clamp(60px, 14vh, 140px); }
.cmdk .modal-panel { width: min(100%, 560px); padding: 0; overflow: hidden; max-height: min(70vh, 560px); display: flex; flex-direction: column; }

.cmdk-input-row { display: flex; align-items: center; gap: var(--sp-3); padding: var(--sp-4) var(--sp-5); border-bottom: 1px solid var(--border); flex: none; }
.cmdk-input-row svg { width: 17px; height: 17px; color: var(--text-mute); flex: none; }
.cmdk-input-row input { flex: 1; border: none; background: none; font-size: 1rem; padding: 4px 0; }
.cmdk-input-row input:focus { outline: none; }
.cmdk-input-row kbd { font-family: var(--font-mono); font-size: 0.64rem; padding: 3px 6px; border-radius: 5px; border: 1px solid var(--border); color: var(--text-mute); }

.cmdk-list { overflow-y: auto; padding: var(--sp-2); flex: 1; }
.cmdk-group { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-mute); padding: var(--sp-3) var(--sp-3) var(--sp-2); }
.cmdk-item {
    display: flex; align-items: center; gap: var(--sp-3); width: 100%; text-align: left;
    padding: 11px 13px; border-radius: var(--r-md); color: var(--text-dim);
    transition: background-color var(--dur-1), color var(--dur-1);
}
.cmdk-item[aria-selected="true"], .cmdk-item:hover { background: var(--surface-2); color: var(--text); }
.cmdk-item svg { width: 16px; height: 16px; flex: none; color: var(--text-mute); }
.cmdk-item[aria-selected="true"] svg { color: var(--brand-1); }
.cmdk-item b { font-weight: 500; font-size: 0.88rem; }
.cmdk-item small { display: block; font-size: 0.72rem; color: var(--text-mute); margin-top: 1px; }
.cmdk-item .cmdk-meta { margin-left: auto; font-family: var(--font-mono); font-size: 0.63rem; color: var(--text-mute); }
.cmdk-empty { padding: var(--sp-7) var(--sp-4); text-align: center; color: var(--text-mute); font-size: 0.85rem; }

/* ── 19. Floating UI ─────────────────────────────────────── */
.fab {
    position: fixed; right: clamp(16px, 3vw, 32px); bottom: clamp(16px, 3vw, 32px); z-index: 800;
    display: flex; align-items: center; gap: 0; height: 54px; padding: 0 17px;
    border-radius: var(--r-full); background: var(--grad-viv); color: var(--on-accent);
    font-weight: 700; font-size: 0.82rem; box-shadow: 0 12px 34px -8px rgba(56, 189, 248, 0.55);
    transition: transform var(--dur-2) var(--ease-spring), box-shadow var(--dur-2), gap var(--dur-3) var(--ease-out);
    overflow: hidden;
}
.fab:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 18px 44px -10px rgba(56, 189, 248, 0.7); gap: 9px; }
.fab svg { width: 20px; height: 20px; flex: none; }
.fab span { max-width: 0; opacity: 0; white-space: nowrap; transition: max-width var(--dur-3) var(--ease-out), opacity var(--dur-2); }
.fab:hover span { max-width: 130px; opacity: 1; }

.to-top {
    position: fixed; left: clamp(16px, 3vw, 32px); bottom: clamp(16px, 3vw, 32px); z-index: 800;
    width: 42px; height: 42px; display: grid; place-items: center; border-radius: 50%;
    border: 1px solid var(--border); background: var(--surface-solid); color: var(--text-dim);
    backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    opacity: 0; visibility: hidden; transform: translateY(12px);
    transition: opacity var(--dur-2), visibility var(--dur-2), transform var(--dur-2) var(--ease-out), color var(--dur-2), border-color var(--dur-2);
}
.to-top.is-on { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { color: var(--text); border-color: var(--border-strong); }
.to-top svg { width: 16px; height: 16px; }

.toast-stack { position: fixed; bottom: clamp(16px, 3vw, 32px); left: 50%; transform: translateX(-50%); z-index: 4000; display: grid; gap: 8px; justify-items: center; pointer-events: none; }
.toast {
    display: flex; align-items: center; gap: 10px; padding: 12px 18px; border-radius: var(--r-full);
    border: 1px solid var(--border-strong); background: var(--surface-solid); color: var(--text);
    font-size: 0.82rem; font-weight: 500; box-shadow: var(--shadow-lg);
    backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
    animation: toastIn 0.4s var(--ease-spring) both;
}
.toast.is-out { animation: toastOut 0.3s var(--ease-out) forwards; }
.toast svg { width: 16px; height: 16px; color: var(--brand-2); flex: none; }
@keyframes toastIn  { from { opacity: 0; transform: translateY(16px) scale(0.94); } }
@keyframes toastOut { to   { opacity: 0; transform: translateY(10px) scale(0.96); } }

/* ── 20. Preloader ───────────────────────────────────────── */
.preloader {
    position: fixed; inset: 0; z-index: 9999; display: grid; place-items: center; gap: var(--sp-5);
    align-content: center; background: var(--bg);
    transition: opacity var(--dur-3) var(--ease-out), visibility var(--dur-3);
}
.preloader.is-done { opacity: 0; visibility: hidden; }
/* If JS never runs, the preloader must not cover or lock the page */
html:not(.js) .preloader { display: none; }
html:not(.js) body.is-locked { overflow: auto; }
.preloader img { width: 68px; animation: float 2.4s var(--ease-io) infinite alternate; }
.preloader-bar { width: 168px; height: 2px; border-radius: 2px; background: var(--border); overflow: hidden; }
.preloader-bar i { display: block; height: 100%; width: 0; background: var(--grad-viv); transition: width var(--dur-2) var(--ease-out); }
.preloader-text { font-family: var(--font-mono); font-size: 0.64rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--text-mute); }

/* ── 21. Reveal ──────────────────────────────────────────── */
html.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.75s var(--ease-out), transform 0.75s var(--ease-out); }
html.js .reveal.is-in { opacity: 1; transform: none; }

/* ── 22. Responsive ──────────────────────────────────────── */
@media (max-width: 1080px) {
    .hero-grid { grid-template-columns: 1fr; }
    .hero-visual { display: none; }
    .span-4, .span-5, .span-7, .span-8 { grid-column: span 6; }
}

@media (max-width: 860px) {
    .nav-desktop, .cmdk-trigger { display: none; }
    .burger { display: block; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid > :first-child { grid-column: span 2; }
}

@media (max-width: 680px) {
    :root { --header-h: 64px; }
    .span-4, .span-5, .span-6, .span-7, .span-8 { grid-column: span 12; }
    .hero-stats { grid-template-columns: 1fr; }
    .stat { display: flex; align-items: baseline; gap: var(--sp-3); }
    .stat span { margin-top: 0; }
    .search-field { margin-left: 0; flex-basis: 100%; }
    .brand-name small { display: none; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-grid > :first-child { grid-column: span 1; }
    .fab { height: 48px; }
    .to-top { display: none; }
    .modal { align-items: end; padding: 0; }
    .modal-panel { width: 100%; max-height: 88vh; border-radius: var(--r-2xl) var(--r-2xl) 0 0; }
    .cmdk { align-items: start; padding: var(--sp-4); }
    .cmdk .modal-panel { border-radius: var(--r-xl); }
}

/* Touch devices: every control clears the 44px minimum target size. */
@media (pointer: coarse) {
    .chip { min-height: 44px; display: inline-flex; align-items: center; padding-inline: 18px; }
    .icon-btn, .burger { width: 44px; height: 44px; }
    .btn { min-height: 46px; }
    .btn-sm { min-height: 44px; padding: 11px 18px; }
    .modal-close { width: 44px; height: 44px; top: 14px; right: 14px; }
    .search-clear { width: 34px; height: 34px; }
    .nav-mobile a { min-height: 48px; }
    .cmdk-item { min-height: 48px; }
    .copy-mail { min-height: 44px; }
}

/* ── 23. Motion / print preferences ──────────────────────── */
@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 { opacity: 1; transform: none; }
    html.js .hero h1 .line > span { transform: none; }
}

@media print {
    .site-header, .nav-mobile, .fab, .to-top, .modal, .bg-stack, .bg-noise, .scroll-progress, .preloader, .marquee { display: none !important; }
    body { background: #fff; color: #000; }
    .card, .project, .service { break-inside: avoid; border: 1px solid #ccc; box-shadow: none; }
}