/* ═══════════════════════════════════════════════════════
   ZECRON® — 3D Folding Device Portfolio
   Single inner screen · swinging cover flap · orbit cards
   ═══════════════════════════════════════════════════════ */

:root {
    --bg: #f0ede6;
    --text-dark: #1a1a1a;
    --text-mid: #666666;
    --text-light: #999999;
    --white: #ffffff;
    --accent: #c8ff00;

    --font-display: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-clock: 'Anton', 'Outfit', sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, monospace;

    /* Unfolded tablet size. Folded phone = exactly the right half. */
    --dev-h: min(560px, 70vh, calc(88vw / 1.46));
    --dev-w: calc(var(--dev-h) * 1.46);

    /* Frame anatomy (sleek premium frame) */
    --R: calc(var(--dev-h) * 0.07);
    --metal: 1.5px;
    --bez: 10px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
body { font-family: var(--font-body); background: var(--bg); color: var(--text-dark); overflow-x: hidden; min-height: 100vh; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font: inherit; }

/* ── BG TOGGLE ── */
.bg-toggle {
    display: inline-flex; align-items: center;
    background: #ffffff;
    border-radius: 40px;
    padding: 6px;
    box-shadow: 0 10px 40px -10px rgba(0,0,0,0.06), 0 0 0 1px rgba(0,0,0,0.04);
    gap: 4px;
    position: absolute;
    right: clamp(1rem, 4vw, 3rem); top: 1.5rem;
    z-index: 100;
    pointer-events: auto;
}
.bg-btn {
    appearance: none; border: none; background: transparent;
    font-family: var(--font-body); font-size: 0.76rem; font-weight: 500;
    color: #111; cursor: pointer;
    padding: 8px 18px; border-radius: 40px;
    transition: all 0.3s ease;
}
.bg-btn.active { background: #111; color: #fff; }
.bg-btn:hover:not(.active) { background: #f5f5f5; }

/* ── BG GLOW ── */
.bg-glow {
    position: absolute; top: 50%; left: 50%;
    width: 120vw; height: 120vw; max-width: 1600px; max-height: 1600px;
    background: radial-gradient(circle, #ff925e 0%, #ffc099 30%, #fde6d8 60%, transparent 80%);
    filter: blur(40px);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    opacity: 0; 
    transition: opacity 1s ease, transform 1s ease;
    z-index: 1; pointer-events: none;
}
body[data-bg-mode="glow"] .bg-glow { 
    opacity: 1; 
    transform: translate(-50%, -50%) scale(1.1);
}

/* ── TOP BAR ── */
.top-bar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    display: flex; justify-content: space-between; padding: 1.5rem clamp(1rem, 4vw, 3rem); pointer-events: none;
}
.top-bar > * { pointer-events: auto; }
.logo { font-family: var(--font-display); font-weight: 900; font-size: 1.2rem; letter-spacing: 0.06em; }
.logo sup { font-size: 0.5em; opacity: 0.5; vertical-align: super; }
.top-email { font-size: 0.78rem; color: var(--text-mid); }
@media (max-width: 600px) { .top-email { display: none; } }

/* ── VISUAL LAYER ── */
.visual-layer {
    position: fixed; inset: 0; z-index: 10;
    display: flex; align-items: center; justify-content: center;
    padding-bottom: 28px;
    pointer-events: none;
}
.visual-layer > * { pointer-events: auto; }

/* ═══════════════════════════════════════════════════════
   DEVICE FINISHES (metal gradients)
   ═══════════════════════════════════════════════════════ */
.device-stage[data-finish="silver"] {
    --metal-grad: linear-gradient(145deg, #fbfaf7 0%, #dedbd5 22%, #b3afa8 48%, #e9e6e1 70%, #8d8982 100%);
    --metal-edge: rgba(255,255,255,0.75);
}
.device-stage[data-finish="graphite"] {
    --metal-grad: linear-gradient(145deg, #77777c 0%, #45454a 22%, #26262a 48%, #4c4c52 70%, #141416 100%);
    --metal-edge: rgba(255,255,255,0.18);
}
.device-stage[data-finish="coral"] {
    --metal-grad: linear-gradient(145deg, #fde4dc 0%, #eeb3a6 22%, #c98073 48%, #f1bfb3 70%, #96574b 100%);
    --metal-edge: rgba(255,255,255,0.6);
}
.device-stage[data-finish="sage"] {
    --metal-grad: linear-gradient(145deg, #eef3ea 0%, #c3d3b8 22%, #8fac7e 48%, #c9d8be 70%, #5b7350 100%);
    --metal-edge: rgba(255,255,255,0.6);
}

/* ═══════════════════════════════════════════════════════
   DEVICE STAGE
   ═══════════════════════════════════════════════════════ */
.device-wrap {
    position: relative;
    width: var(--dev-w);
    height: var(--dev-h);
    opacity: 0;
    will-change: transform, opacity;
    z-index: 10;
}
.device-stage {
    position: relative;
    width: var(--dev-w);
    height: var(--dev-h);
    perspective: 2400px;
    perspective-origin: 50% 50%;
    z-index: 10;
    will-change: transform;
}

/* Soft floor shadow (scaled/translated with transforms only) */
.device-floor {
    position: absolute;
    left: 0; width: 100%;
    top: calc(100% + 4px);
    height: 44px;
    background: radial-gradient(ellipse at center, rgba(0,0,0,0.26) 0%, rgba(0,0,0,0.08) 45%, rgba(0,0,0,0) 72%);
    pointer-events: none;
    transform-origin: 50% 50%;
    will-change: transform;
}

/* Hardware buttons on the right edge */
.side-buttons {
    position: absolute; right: -3px; top: 15%;
    display: flex; flex-direction: column; gap: 12px;
}
.side-buttons span {
    display: block; width: 6px; height: calc(var(--dev-h) * 0.1);
    border-radius: 0 3px 3px 0;
    background: var(--metal-grad);
    box-shadow: inset -1px 0 1px rgba(0,0,0,0.25);
}
.side-buttons span:last-child { height: calc(var(--dev-h) * 0.07); }

/* ── Frame anatomy ── */
.frame {
    position: relative;
    width: 100%; height: 100%;
    border-radius: var(--R);
    padding: var(--metal);
    background: var(--metal-grad);
    box-shadow:
        inset 0 0 0 1px var(--metal-edge),
        0 0 0 1px rgba(0,0,0,0.08),
        0 14px 30px -10px rgba(0,0,0,0.3);
    transition: background 0.5s ease;
}
.bezel {
    width: 100%; height: 100%;
    border-radius: calc(var(--R) - var(--metal));
    background: #000;
    padding: var(--bez);
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.08);
}
.screen {
    position: relative;
    width: 100%; height: 100%;
    border-radius: calc(var(--R) - var(--metal) - var(--bez));
    overflow: hidden;
}

/* ── BASE (full tablet; clip-path set by JS with rounded corners) ── */
.device-base {
    position: absolute; inset: 0;
    clip-path: inset(0% 0% 0% 50% round var(--R));
}

/* ── FLAPS (each is one half of the tablet) ── */
.device-flap, .device-flap-r {
    position: absolute; top: 0;
    width: 50%; height: 100%;
    transform-style: preserve-3d;
    will-change: transform;
    z-index: 2;
}
/* Left flap — hinge = its right edge (tablet centre). Starts folded over the right half. */
.device-flap   { left: 0;   transform-origin: 100% 50%; transform: rotateY(180deg); }
/* Right flap — hinge = its left edge (tablet centre). Hidden until the closing fold. */
.device-flap-r { left: 50%; transform-origin: 0% 50%;   transform: rotateY(0deg); visibility: hidden; opacity: 0; }

.flap-face {
    position: absolute; inset: 0;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}
/* Inner faces: half of the tablet. Outer corners rounded, hinge side square — clipped with overflow (clean AA). */
.flap-inner   { overflow: hidden; border-radius: var(--R) 0 0 var(--R); }
.flap-r-inner { overflow: hidden; border-radius: 0 var(--R) var(--R) 0; }

/* Static clones of the base frame, offset so only the correct half shows */
.frame-clone {
    position: absolute; top: 0;
    width: var(--dev-w) !important; height: 100%;
    pointer-events: none;
    box-shadow: none !important;
}
.frame-clone > .frame { box-shadow: none !important; }
.flap-inner .frame-clone   { left: 0; }
.flap-r-inner .frame-clone { left: -100%; }

/* Hinge-side corners must be SQUARE (flush) — never rounded */
.flap-inner .frame-clone .frame         { border-top-right-radius: 0 !important; border-bottom-right-radius: 0 !important; }
.flap-inner .frame-clone .bezel         { border-top-right-radius: 0 !important; border-bottom-right-radius: 0 !important; }
.flap-inner .frame-clone .screen        { border-top-right-radius: 0 !important; border-bottom-right-radius: 0 !important; }
.flap-r-inner .frame-clone .frame       { border-top-left-radius: 0 !important; border-bottom-left-radius: 0 !important; }
.flap-r-inner .frame-clone .bezel       { border-top-left-radius: 0 !important; border-bottom-left-radius: 0 !important; }
.flap-r-inner .frame-clone .screen      { border-top-left-radius: 0 !important; border-bottom-left-radius: 0 !important; }

/* Cover faces: always perfectly rounded (like a real phone exterior).
   overflow:hidden clips frame/bezel/screen children cleanly. */
.flap-cover   { transform: rotateY(180deg); border-radius: var(--R); overflow: hidden; }
.flap-r-cover { transform: rotateY(180deg); border-radius: var(--R); overflow: hidden; }

/* No backdrop-filter on anything that rotates in 3D (main cause of stutter) */
.device-flap .notif, .device-flap .device-nav,
.device-flap-r .notif, .device-flap-r .device-nav { -webkit-backdrop-filter: none !important; backdrop-filter: none !important; }

.face-shade { position: absolute; inset: 0; pointer-events: none; z-index: 60; border-radius: inherit; opacity: 0; will-change: opacity; }
.shade-inner   { background: linear-gradient(90deg, rgba(0,0,0,0.15), rgba(0,0,0,0.65)); }
.shade-r-inner { background: linear-gradient(270deg, rgba(0,0,0,0.15), rgba(0,0,0,0.65)); }
.shade-cover   { background: linear-gradient(90deg, rgba(0,0,0,0.55), rgba(0,0,0,0.08)); }
.shade-r-cover { background: linear-gradient(270deg, rgba(0,0,0,0.55), rgba(0,0,0,0.08)); }

/* ═══════════════════════════════════════════════════════
   COVER SCREEN (folded phone)
   ═══════════════════════════════════════════════════════ */
.cover-screen {
    background: #eceeed; color: #111;
    display: flex; flex-direction: column; position: relative;
}
.cover-front { position: absolute; inset: 0; display: flex; flex-direction: column; width: 100%; height: 100%; }
.contact-cover {
    background: #0b0b0c; color: #fff;
    align-items: center; justify-content: center; text-align: center; padding: 2rem 1.4rem;
}
.cc-kicker { font-family: var(--font-mono); font-size: 0.58rem; letter-spacing: 0.1em; opacity: 0.5; margin-bottom: 1.4rem; }
.cover-wall {
    position: absolute; left: 0; right: 0; bottom: 0;
    width: 100%; height: 74%;
    object-fit: cover; object-position: center 20%;
    -webkit-mask-image: linear-gradient(to bottom, transparent 0%, #000 38%);
            mask-image: linear-gradient(to bottom, transparent 0%, #000 38%);
}
.cover-top { position: relative; z-index: 1; text-align: center; padding-top: calc(var(--dev-h) * 0.075); }
.cover-time { font-family: var(--font-clock); font-size: calc(var(--dev-h) * 0.175); line-height: 1; letter-spacing: 0.005em; }
.cover-sub { font-size: 0.74rem; font-weight: 500; margin-top: calc(var(--dev-h) * 0.04); }

.cover-notifs { position: relative; z-index: 1; margin-top: auto; padding: 0 0.8rem; display: flex; flex-direction: column; gap: 7px; }
.notif {
    display: flex; align-items: center; gap: 10px;
    background: rgba(255,255,255,0.72);
    -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
    border-radius: 14px; padding: 7px 9px;
}
.notif img { width: 30px; height: 30px; border-radius: 8px; object-fit: cover; flex-shrink: 0; }
.notif strong { display: block; font-size: 0.72rem; font-weight: 500; }
.notif span { display: block; font-family: var(--font-mono); font-size: 0.56rem; letter-spacing: 0.06em; margin-top: 2px; }

.cover-bottom { position: relative; z-index: 1; display: flex; justify-content: space-between; align-items: center; padding: 0.8rem; }
.cover-icon {
    width: 38px; height: 38px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    background: rgba(255,255,255,0.88); color: #111;
}
.cover-cta { background: rgba(240,240,240,0.94); padding: 8px 14px; border-radius: 100px; font-size: 0.72rem; font-weight: 500; }

/* ═══════════════════════════════════════════════════════
   INNER SCREEN (tablet)
   ═══════════════════════════════════════════════════════ */
.inner-screen { background: #f4f4f5; color: #111; display: flex; flex-direction: column; }

.device-status-bar { display: flex; justify-content: space-between; align-items: center; padding: 10px 22px 6px; color: #111; z-index: 30; }
.status-right { display: flex; align-items: center; gap: 6px; }
.status-time, .status-signal { font-family: var(--font-display); font-size: 0.72rem; font-weight: 600; }

.device-viewport { flex: 1; overflow: hidden; position: relative; }
.device-content { position: absolute; top: 0; left: 0; width: 100%; will-change: transform; }

.device-nav {
    position: absolute; bottom: 12px; left: 50%; transform: translateX(-50%);
    display: flex; gap: 2px; padding: 4px; z-index: 30;
    background: rgba(20,20,20,0.95);
    -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 100px;
}
.device-nav-link { font-size: 0.72rem; font-weight: 500; color: rgba(255,255,255,0.7); padding: 6px 12px; border-radius: 100px; transition: background 0.3s, color 0.3s; }
.device-nav-link:hover { color: var(--white); }
.device-nav-link.active { background: var(--white); color: #111; }

/* ═══════════════════════════════════════════════════════
   SCREENS
   ═══════════════════════════════════════════════════════ */
.device-screen { width: 100%; height: 100%; overflow: hidden; background: transparent; color: inherit; }

/* Inner intro: split */
.inner-intro { display: grid; grid-template-columns: 1fr 1fr; }
.ii-left { display: flex; flex-direction: column; justify-content: space-between; padding: 1.4rem 1.6rem 4.4rem; }
.ii-kicker { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.08em; color: rgba(0,0,0,0.5); }
.ii-title { font-family: var(--font-clock); font-weight: 400; font-size: calc(var(--dev-h) * 0.17); line-height: 0.95; letter-spacing: 0.01em; }
.ii-lead { font-size: 0.85rem; line-height: 1.5; color: #555; max-width: 330px; margin-top: 0.9rem; }
.ii-actions { display: flex; gap: 8px; margin-top: 1.1rem; }
.btn-dark, .btn-light { font-size: 0.78rem; font-weight: 600; padding: 10px 18px; border-radius: 100px; transition: transform 0.25s; }
.btn-dark { background: #111; color: var(--white); }
.btn-light { background: rgba(0,0,0,0.05); color: #111; }
.btn-dark:hover, .btn-light:hover { transform: translateY(-2px); }
.ii-right { overflow: hidden; }
.ii-right img { width: 100%; height: 100%; object-fit: cover; }

/* Stats */
.screen-stats { display: flex; flex-direction: column; justify-content: space-between; padding: clamp(1.25rem, 3vw, 2.25rem) clamp(1.25rem, 3vw, 2.25rem) 4.5rem; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.stat-num { font-family: var(--font-display); font-size: clamp(2.2rem, 4.5vw, 3.6rem); font-weight: 900; display: block; }
.stat-lbl { font-size: 0.6rem; letter-spacing: 0.1em; color: rgba(0,0,0,0.5); }
.selected-work-header { display: flex; justify-content: space-between; align-items: flex-end; gap: 1rem; }
.sw-title { font-family: var(--font-display); font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 900; line-height: 1; }
.sw-link { font-size: 0.8rem; opacity: 0.7; white-space: nowrap; }

/* Projects */
.project-split { display: grid; grid-template-columns: 55% 45%; height: 100%; }
.project-image { overflow: hidden; }
.project-image img { width: 100%; height: 100%; object-fit: cover; }
.project-info { padding: 1.75rem 1.75rem 4.5rem; display: flex; flex-direction: column; justify-content: flex-end; position: relative; overflow: hidden; color: #fff; }
.project-num { position: absolute; top: 1rem; right: 1rem; font-family: var(--font-display); font-size: 8rem; font-weight: 900; line-height: 0.8; opacity: 0.2; }
.project-cat { font-size: 0.6rem; letter-spacing: 0.1em; margin-bottom: 0.5rem; display: block; }
.project-name { font-family: var(--font-display); font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 900; margin-bottom: 0.5rem; line-height: 1; }
.project-desc { font-size: 0.75rem; opacity: 0.85; margin-bottom: 1rem; max-width: 300px; }
.project-link { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.06em; }

/* Services */
.screen-services { display: flex; align-items: center; justify-content: center; padding-bottom: 3rem; }
.services-inner { width: 82%; }
.services-heading { font-family: var(--font-display); font-size: clamp(2rem, 4.5vw, 3.2rem); font-weight: 900; margin-bottom: 1.25rem; color: #111; }
.service-item { display: flex; align-items: baseline; gap: 1.5rem; padding: 0.9rem 0; border-top: 1px solid rgba(0,0,0,0.1); }
.si-num { font-size: 0.8rem; opacity: 0.4; }
.si-name { font-family: var(--font-display); font-size: clamp(1.3rem, 2.6vw, 1.9rem); font-weight: 700; color: #111; }

/* Contact Cover (Outer Face of Flap when closed at end) */
.contact-heading { font-family: var(--font-display); font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 900; line-height: 1; margin-bottom: 1.5rem; }
.contact-email-btn { display: inline-block; padding: 12px 24px; border: 1px solid rgba(255,255,255,0.2); border-radius: 100px; margin-bottom: 1.5rem; }
.contact-social { display: flex; justify-content: center; gap: 1.5rem; opacity: 0.6; }

/* ═══════════════════════════════════════════════════════
   ORBIT CARDS
   ═══════════════════════════════════════════════════════ */
.orbit-card {
    position: absolute; left: 50%; top: 50%;
    width: calc(var(--dev-h) * 0.13);
    aspect-ratio: 4 / 5;
    border-radius: 12px;
    overflow: hidden;
    background: #ddd;
    box-shadow: 0 14px 30px -10px rgba(0,0,0,0.35), 0 2px 6px rgba(0,0,0,0.08);
    will-change: transform;
    opacity: 0;
    z-index: 5;
}
.orbit-card img { width: 100%; height: 100%; object-fit: cover; pointer-events: none; }

/* ═══════════════════════════════════════════════════════
   FINISH SWATCHES
   ═══════════════════════════════════════════════════════ */
.bottom-dots {
    position: fixed; bottom: 1.1rem; left: 50%; transform: translateX(-50%);
    display: flex; gap: 6px; padding: 6px; z-index: 100;
    background: rgba(255,255,255,0.8);
    -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
    border-radius: 100px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
}
.dot { width: 22px; height: 22px; border-radius: 50%; border: none; cursor: pointer; transition: transform 0.25s, box-shadow 0.25s; }
.dot:hover { transform: scale(1.12); }
.dot.active { box-shadow: 0 0 0 2px #fff, 0 0 0 3.5px #1a1a1a; }
.dot-silver { background: linear-gradient(145deg, #f4f2ee, #b3afa8); }
.dot-graphite { background: linear-gradient(145deg, #5a5a60, #1d1d20); }
.dot-coral { background: linear-gradient(145deg, #f1bfb3, #c98073); }
.dot-sage { background: linear-gradient(145deg, #c9d8be, #8fac7e); }

body::after {
    content: ''; position: fixed; inset: 0; pointer-events: none; z-index: 9999; opacity: 0.025;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
}

/* ═══════════════════════════════════════════════════════
   MOBILE (flat phone, no fold)
   ═══════════════════════════════════════════════════════ */
@media (max-width: 900px) {
    :root {
        --dev-h: min(66vh, 700px);
        --dev-w: min(82vw, calc(var(--dev-h) * 0.48)); /* 1:2 aspect ratio, fits on screen */
        --R: 32px;
        --bez: 8px;
    }
    .visual-layer { padding-top: 3rem; padding-bottom: 40px; }
    /* .device-base clip-path is animated by JS */
    .device-floor { left: 0; width: 100%; top: calc(100% + 14px); height: 20px; }

    .side-buttons { display: none !important; }

    /* Mobile Vertical Fold setup */
    .device-flap, .device-flap-r { display: block !important; width: 100%; height: 50%; left: 0; }
    .device-flap { top: 0; transform-origin: 50% 100%; transform: rotateX(180deg); }
    .device-flap-r { top: 50%; transform-origin: 50% 0%; transform: rotateX(0deg); }
    
    .flap-cover, .flap-r-cover { transform: rotateX(180deg) !important; }
    
    .frame-clone { display: block !important; width: 100% !important; height: var(--dev-h) !important; }
    .flap-inner .frame-clone { left: 0; top: 0; }
    .flap-r-inner .frame-clone { left: 0; top: -100%; }

    .flap-inner { border-radius: var(--R) var(--R) 0 0; }
    .flap-r-inner { border-radius: 0 0 var(--R) var(--R); }
    /* Override the desktop square hinges with the mobile ones (bottom/top) */
    /* Restore desktop corners to rounded */
    .flap-inner .frame-clone .frame, .flap-inner .frame-clone .bezel, .flap-inner .frame-clone .screen { border-top-right-radius: var(--R) !important; border-bottom-right-radius: var(--R) !important; }
    .flap-r-inner .frame-clone .frame, .flap-r-inner .frame-clone .bezel, .flap-r-inner .frame-clone .screen { border-top-left-radius: var(--R) !important; border-bottom-left-radius: var(--R) !important; }

    /* Allow GSAP to control the flap container's border radius for the morph */
    .flap-inner .frame-clone .frame, .flap-inner .frame-clone .bezel, .flap-inner .frame-clone .screen { border-bottom-left-radius: 0 !important; border-bottom-right-radius: 0 !important; }
    .flap-r-inner .frame-clone .frame, .flap-r-inner .frame-clone .bezel, .flap-r-inner .frame-clone .screen { border-top-left-radius: 0 !important; border-top-right-radius: 0 !important; }

    .contact-heading { font-size: 2.8rem; }

    .inner-intro { display: flex; flex-direction: column; }
    .ii-right { display: none; }
    .ii-left { padding: 4rem 1.5rem 5rem; align-items: flex-start; justify-content: center; flex: 1; }
    
    .ii-kicker { margin-bottom: 2rem; display: block; font-size: 0.65rem; color: #666; font-family: var(--font-mono); }
    .ii-title { font-size: clamp(4.5rem, 18vw, 6.5rem); margin-top: 0; margin-bottom: 1.5rem; line-height: 0.85; word-wrap: break-word; hyphens: auto; }
    .ii-lead { font-size: 0.95rem; line-height: 1.4; color: #333; margin-top: 0; max-width: 95%; margin-bottom: 2rem; }
    .ii-actions { margin-top: 0; display: flex; gap: 8px; }
    .btn-dark, .btn-light { padding: 10px 18px; font-size: 0.75rem; }

    .stats-grid { grid-template-columns: 1fr 1fr; }
    .project-split { grid-template-columns: 1fr; grid-template-rows: 50% 50%; }
    .project-info { padding: 1.25rem 1.25rem 4.2rem; }
    .project-num { font-size: 5rem; }
    
    .device-nav { padding: 6px 8px; bottom: 20px; background: #111; gap: 2px; border: none; border-radius: 40px; }
    .device-nav-link { font-size: 0.65rem; padding: 6px 12px; color: rgba(255,255,255,0.6); }
    .device-nav-link.active { background: rgba(255,255,255,0.15); color: #fff; }

    .bg-toggle { padding: 4px; top: 1rem; right: 1rem; gap: 2px; }
    .bg-btn { padding: 6px 12px; font-size: 0.65rem; }
}