:root {
    --bg: #080a0f;
    --bg2: #0d1018;
    --surface: #141820;
    --surface2: #1a2030;
    --border: rgba(255,255,255,0.06);
    --accent: #00c8f8;
    --accent2: #f0b429;
    --accent3: #ff4655;
    --text: #ffffff;
    --muted: #7a8aaa;
    --font-display: 'Syne', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
  }

  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-mono);
    overflow-x: hidden;
    line-height: 1.6;
  }

  /* GRID BG */
  body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
      linear-gradient(rgba(0,200,248,0.025) 1px, transparent 1px),
      linear-gradient(90deg, rgba(0,200,248,0.025) 1px, transparent 1px);
    background-size: 48px 48px;
    pointer-events: none;
    z-index: 0;
  }

  section, nav, footer, header { position: relative; z-index: 1; }

  /* NAV */
  nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 64px;
    padding: 20px 64px;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: rgba(8,10,15,0.88);
    backdrop-filter: blur(20px);
    z-index: 100;
  }

  .logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: #fff;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
  }
  .logo-dot {
    width: 8px; height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: blink 2s ease-in-out infinite;
  }
  @keyframes blink { 0%,100%{opacity:1;} 50%{opacity:0.2;} }

  .nav-links { display: flex; gap: 36px; list-style: none; }
  .nav-links a {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: color 0.2s;
  }
  .nav-links a:hover { color: var(--accent); }

  .nav-badge {
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    background: rgba(0,200,248,0.08);
    border: 1px solid rgba(0,200,248,0.25);
    color: var(--accent);
    padding: 7px 16px;
  }

  /* HERO */
  .hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    min-height: 90vh;
    align-items: center;
    padding: 80px 64px;
    overflow: hidden;
  }

  .hero-left { max-width: 560px; }

  .hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    border: 1px solid rgba(0,200,248,0.2);
    padding: 6px 14px;
    margin-bottom: 32px;
    animation: fadeUp 0.5s ease both;
  }
  .hero-tag::before {
    content:'';
    width:5px;height:5px;
    background:var(--accent);
    border-radius:50%;
    animation:blink 1.5s infinite;
  }

  .hero h1 {
    font-family: var(--font-display);
    font-size: clamp(3.2rem, 5vw, 5.8rem);
    font-weight: 800;
    line-height: 0.92;
    letter-spacing: -3px;
    color: #fff;
    margin-bottom: 28px;
    animation: fadeUp 0.6s 0.1s ease both;
  }

  .hero h1 .accent { color: var(--accent); }
  .hero h1 .dim { color: rgba(255,255,255,0.35); }

  .hero-desc {
    font-size: 0.85rem;
    color: var(--muted);
    line-height: 1.9;
    margin-bottom: 44px;
    max-width: 440px;
    animation: fadeUp 0.6s 0.2s ease both;
  }

  .hero-actions {
    display: flex;
    gap: 14px;
    align-items: center;
    animation: fadeUp 0.6s 0.3s ease both;
  }

  .btn-primary {
    background: var(--accent);
    color: var(--bg);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: none;
    padding: 14px 30px;
    cursor: pointer;
    transition: all 0.25s;
    text-decoration: none;
    display: inline-block;
    position: relative;
    overflow: hidden;
  }
  .btn-primary::after {
    content:'';
    position:absolute;
    inset:0;
    background:linear-gradient(90deg,transparent,rgba(255,255,255,0.18),transparent);
    transform:translateX(-100%);
    transition:transform 0.5s;
  }
  .btn-primary:hover::after { transform:translateX(100%); }
  .btn-primary:hover { transform:translateY(-2px); box-shadow:0 10px 40px rgba(0,200,248,0.25); }

  .btn-ghost {
    background: transparent;
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: 1px solid var(--border);
    padding: 13px 26px;
    cursor: pointer;
    transition: all 0.25s;
    text-decoration: none;
    display: inline-block;
  }
  .btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

  /* HERO VISUAL */
  .hero-right {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeUp 0.7s 0.2s ease both;
  }

  .device-wrapper {
    position: relative;
    width: 480px;
    max-width: 100%;
  }

  .device-glow {
    position: absolute;
    inset: -60px;
    background: radial-gradient(ellipse, rgba(0,200,248,0.12) 0%, transparent 65%);
    pointer-events: none;
  }

.device-img {
    width: 100%;
    border-radius: 4px;
    box-shadow: 0 40px 120px rgba(0,0,0,0.8), 0 0 0 1px rgba(0,200,248,0.08);
    position: relative;
    z-index: 1;
    
    transition: transform 0.15s ease-out;
    will-change: transform;
}

.device-wrapper:hover .device-img {
    transform: scale(1.1);
}

  /* LED INDICATORS */
  .led-panel {
    position: absolute;
    bottom: -32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 24px;
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 12px 24px;
    z-index: 2;
    white-space: nowrap;
  }

  .led-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.65rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted);
  }

  .led {
    width: 7px; height: 7px;
    border-radius: 50%;
    flex-shrink: 0;
  }
  .led.blue { background: #0080ff; box-shadow: 0 0 8px #0080ff; animation: ledPulse 2s ease-in-out infinite; }
  .led.green { background: #00e87a; box-shadow: 0 0 8px #00e87a; animation: ledPulse 2.3s ease-in-out infinite; }
  .led.amber { background: var(--accent2); box-shadow: 0 0 8px var(--accent2); animation: ledPulse 1.8s ease-in-out infinite; }
  .led.white { background: #e0e8ff; box-shadow: 0 0 8px #c0d0ff; animation: ledPulse 3s ease-in-out infinite; }

  @keyframes ledPulse {
    0%,100% { opacity: 1; }
    50% { opacity: 0.4; }
  }

  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: none; }
  }

  /* STRIP STAT */
  .stat-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    margin-top: 60px;
  }

  .stat-item {
    padding: 28px 40px;
    border-right: 1px solid var(--border);
    position: relative;
  }
  .stat-item:last-child { border-right: none; }
  .stat-item::after {
    content:'';
    position:absolute;
    bottom:0;left:0;
    height:2px;width:0;
    background:var(--accent);
    transition:width 0.8s ease;
  }
  .stat-item.visible::after { width:100%; }

  .stat-num {
    font-family: var(--font-display);
    font-size: 2.4rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: -2px;
    display: block;
    line-height: 1;
  }
  .stat-label {
    font-size: 0.65rem;
    color: var(--muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-top: 6px;
    display: block;
  }

  /* SECTION COMMON */
  .section-tag {
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .section-tag::before { content:'//'; color: rgba(0,200,248,0.4); }

  .section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.8rem);
    font-weight: 800;
    letter-spacing: -2px;
    color: #fff;
    line-height: 0.95;
    margin-bottom: 60px;
  }

  /* FEATURES */
  .features { padding: 100px 64px; }

  .features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
  }

  .feat-card {
    background: var(--bg2);
    padding: 40px 36px;
    position: relative;
    overflow: hidden;
    transition: background 0.3s;
    cursor: default;
  }
  .feat-card:hover { background: var(--surface); }

  .feat-card::before {
    content: attr(data-num);
    position: absolute;
    top: 16px; right: 20px;
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 800;
    color: rgba(255,255,255,0.04);
    line-height: 1;
    letter-spacing: -2px;
    pointer-events: none;
  }

  .feat-icon {
    font-size: 1.4rem;
    margin-bottom: 16px;
    display: block;
  }

  .feat-title {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
    letter-spacing: -0.3px;
  }

  .feat-desc {
    font-size: 0.75rem;
    color: var(--muted);
    line-height: 1.85;
  }

  .feat-tag {
    display: inline-block;
    margin-top: 18px;
    font-size: 0.6rem;
    color: var(--accent);
    border: 1px solid rgba(0,200,248,0.18);
    padding: 3px 10px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }

  /* HOW IT WORKS */
  .how { padding: 100px 64px; background: var(--bg2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

  .how-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
    margin-top: 60px;
  }

  .steps { display: flex; flex-direction: column; }

  .step {
    display: flex;
    gap: 20px;
    padding: 24px 0;
    border-bottom: 1px solid var(--border);
    cursor: default;
    transition: background 0.2s;
  }
  .step:first-child { border-top: 1px solid var(--border); }

  .step-num {
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--accent);
    flex-shrink: 0;
    padding-top: 3px;
    letter-spacing: 0.05em;
    min-width: 28px;
  }

  .step-info h3 {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 5px;
    letter-spacing: -0.3px;
  }
  .step-info p { font-size: 0.75rem; color: var(--muted); line-height: 1.75; }

  .step-arrow {
    margin-left: auto;
    color: var(--border);
    flex-shrink: 0;
    padding-top: 3px;
    transition: all 0.2s;
    font-size: 0.9rem;
  }
  .step:hover .step-arrow { color: var(--accent); transform: translateX(4px); }

  /* COMPAT */
  .compat {
    padding: 100px 64px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
  }

  .model-list { margin-top: 40px; }

  .model-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
  }
  .model-item:first-child { border-top: 1px solid var(--border); }

  .model-icon {
    width: 36px;
    height: 36px;
    background: var(--surface);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
  }

  .model-name {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.3px;
  }
  .model-note { font-size: 0.68rem; color: var(--muted); margin-top: 2px; letter-spacing: 0.03em; }

  .model-badge {
    margin-left: auto;
    font-size: 0.6rem;
    color: #00e87a;
    border: 1px solid rgba(0,232,122,0.2);
    padding: 3px 10px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  /* PCB SECTION */
  .pcb-section {
    padding: 100px 64px;
    background: var(--bg2);
    border-top: 1px solid var(--border);
  }

  .pcb-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-top: 60px;
  }

  .spec-list { display: flex; flex-direction: column; gap: 0; }

  .spec-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 16px;
    border-bottom: 1px solid var(--border);
    font-size: 0.75rem;
  }
  .spec-row:first-child { border-top: 1px solid var(--border); }

  .spec-key { color: var(--muted); letter-spacing: 0.05em; }
  .spec-val { color: var(--text); font-weight: 500; }
  .spec-val.accent { color: var(--accent); }

  .pcb-visual {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    border: 1px solid var(--border);
  }
  .pcb-visual::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 60%, var(--bg2));
    pointer-events: none;
  }
  .pcb-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.85;
    filter: saturate(0.9);
  }

  .pcb-caption {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    z-index: 2;
    padding: 16px 20px;
    font-size: 0.65rem;
    color: var(--muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }

  /* TIMELINE */
  .timeline-section { padding: 100px 64px; }

  .timeline {
    display: flex;
    gap: 0;
    margin-top: 60px;
    position: relative;
  }

  .timeline::before {
    content:'';
    position: absolute;
    top: 24px;
    left: 0; right: 0;
    height: 1px;
    background: var(--border);
  }

  .tl-item {
    flex: 1;
    padding-top: 48px;
    position: relative;
    padding-right: 32px;
  }

  .tl-dot {
    width: 12px; height: 12px;
    border-radius: 50%;
    position: absolute;
    top: 18px;
    left: 0;
    background: var(--surface2);
    border: 2px solid var(--border);
  }
  .tl-dot.active {
    background: var(--accent);
    border-color: var(--accent);
    box-shadow: 0 0 16px rgba(0,200,248,0.5);
    animation: dotPulse 2s ease-in-out infinite;
  }
  .tl-dot.done { background: #00e87a; border-color: #00e87a; }

  @keyframes dotPulse {
    0%,100%{box-shadow:0 0 8px rgba(0,200,248,0.4);}
    50%{box-shadow:0 0 20px rgba(0,200,248,0.7);}
  }

  .tl-date {
    font-size: 0.65rem;
    color: var(--accent);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 8px;
  }
  .tl-title {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 6px;
    letter-spacing: -0.3px;
  }
  .tl-desc { font-size: 0.72rem; color: var(--muted); line-height: 1.7; }

  /* CTA */
  .cta-section {
    padding: 120px 64px;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-top: 1px solid var(--border);
  }

  .cta-glow {
    position: absolute;
    width: 700px; height: 400px;
    left: 50%; top: 50%;
    transform: translate(-50%,-50%);
    background: radial-gradient(ellipse, rgba(0,200,248,0.08) 0%, transparent 70%);
    pointer-events: none;
  }

  .cta-section h2 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 5rem);
    font-weight: 800;
    letter-spacing: -3px;
    color: #fff;
    line-height: 0.95;
    margin-bottom: 20px;
    position: relative;
  }

  .cta-section p {
    font-size: 0.82rem;
    color: var(--muted);
    margin-bottom: 40px;
    position: relative;
  }

  .cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    position: relative;
  }

  /* FOOTER */
  footer {
    padding: 28px 64px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.68rem;
    color: var(--muted);
  }
  footer a { color: var(--muted); text-decoration: none; transition: color 0.2s; }
  footer a:hover { color: var(--accent); }

  /* REVEAL */
  .reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }
  .reveal.visible { opacity: 1; transform: none; }

  /* DEV CONSOLE SECTION */
  .dev-section { padding: 100px 64px; background: var(--bg2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

  .dev-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 32px;
    margin-top: 60px;
    align-items: start;
  }

  .dev-terminal {
    background: #0a0c12;
    border: 1px solid rgba(0,200,248,0.12);
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 24px 80px rgba(0,0,0,0.7), 0 0 0 1px rgba(0,200,248,0.06);
    position: relative;
  }
  .dev-terminal::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0.4;
  }

  .term-bar {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 11px 16px;
    background: rgba(255,255,255,0.025);
    border-bottom: 1px solid var(--border);
  }
  .dot { width: 10px; height: 10px; border-radius: 50%; }
  .dot.r { background: #ff5f57; }
  .dot.y { background: #ffbd2e; }
  .dot.g { background: #28c840; }
  .term-title { font-size: 0.68rem; color: var(--muted); margin: 0 auto; letter-spacing: 0.04em; }

  .term-body { padding: 20px 22px; font-size: 0.76rem; line-height: 2; }

  .t-line { display: flex; gap: 8px; }
  .t-prompt { color: var(--accent); user-select: none; }
  .t-cmd { color: #fff; }
  .t-blank { height: 6px; }
  .t-dim { color: var(--muted); }
  .t-sha { color: var(--accent2); min-width: 52px; }
  .t-msg { color: #c8d4e8; }
  .t-out { padding-left: 4px; }
  .t-step { color: #7a9aff; }
  .t-ok { color: #00e87a; font-weight: 500; }

  .cursor-blink {
    display: inline-block;
    width: 7px; height: 14px;
    background: var(--accent);
    vertical-align: middle;
    margin-left: 2px;
    animation: blink 1s step-end infinite;
  }

  /* DEV RIGHT */
  .dev-right { display: flex; flex-direction: column; gap: 16px; }

  .build-card, .activity-card {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 24px;
  }

  .build-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
  }
  .build-label { font-size: 0.65rem; color: var(--accent); letter-spacing: 0.1em; text-transform: uppercase; }
  .build-badge {
    font-size: 0.6rem;
    color: var(--accent2);
    border: 1px solid rgba(240,180,41,0.25);
    padding: 3px 10px;
    letter-spacing: 0.08em;
  }

  .build-module { margin-bottom: 14px; }
  .bm-top { display: flex; justify-content: space-between; margin-bottom: 6px; font-size: 0.7rem; }
  .bm-name { color: #b0bcd4; }
  .bm-pct { color: var(--accent); font-weight: 500; }

  .bm-bar {
    height: 3px;
    background: rgba(255,255,255,0.06);
    overflow: hidden;
  }
  .bm-fill {
    height: 100%;
    width: 0;
    background: var(--c, var(--accent));
    transition: width 1.4s cubic-bezier(0.4,0,0.2,1);
  }
  .visible .bm-fill { width: var(--w, 0); }

  /* ACTIVITY */
  .act-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.72rem;
  }
  .act-item:last-child { border-bottom: none; }
  .act-dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    flex-shrink: 0;
  }
  .act-dot.green { background: #00e87a; box-shadow: 0 0 6px #00e87a; }
  .act-dot.blue { background: var(--accent); box-shadow: 0 0 6px var(--accent); }
  .act-dot.amber { background: var(--accent2); box-shadow: 0 0 6px var(--accent2); animation: blink 2s infinite; }
  .act-text { color: #b0bcd4; flex: 1; }
  .act-time { color: var(--muted); font-size: 0.62rem; flex-shrink: 0; }

  @media (max-width: 900px) {
    .dev-section { padding: 60px 20px; }
    .dev-grid { grid-template-columns: 1fr; }
  }


  ::-webkit-scrollbar { width: 4px; }
  ::-webkit-scrollbar-track { background: var(--bg); }
  ::-webkit-scrollbar-thumb { background: var(--border); }

  /* MOBILE */
  @media (max-width: 900px) {
    nav { padding: 14px 20px; }
    .nav-links { display: none; }
    .hero { grid-template-columns: 1fr; padding: 48px 20px; min-height: auto; gap: 60px; }
    .stat-strip { grid-template-columns: 1fr 1fr; }
    .stat-item { padding: 20px; }
    .features { padding: 60px 20px; }
    .features-grid { grid-template-columns: 1fr; }
    .how { padding: 60px 20px; }
    .how-grid { grid-template-columns: 1fr; gap: 40px; }
    .compat { padding: 60px 20px; grid-template-columns: 1fr; gap: 40px; }
    .pcb-section { padding: 60px 20px; }
    .pcb-grid { grid-template-columns: 1fr; gap: 40px; }
    .timeline-section { padding: 60px 20px; }
    .timeline { flex-direction: column; gap: 32px; }
    .timeline::before { display: none; }
    .tl-item { padding-top: 0; padding-left: 28px; }
    .tl-dot { top: 0; }
    .cta-section { padding: 80px 20px; }
    footer { padding: 20px; flex-direction: column; gap: 10px; text-align: center; }
    .device-wrapper { width: 90%; max-width: 400px; }
    .led-panel { font-size: 0.58rem; padding: 9px 14px; gap: 14px; }
    .cta-actions { flex-direction: column; align-items: center; }
  }

  /* BTN SECONDARY */
  .btn-secondary {
    background: transparent;
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: 1px solid rgba(0,200,248,0.35);
    padding: 14px 28px;
    cursor: pointer;
    transition: all 0.25s;
    display: inline-block;
  }
  .btn-secondary:hover { background: rgba(0,200,248,0.08); transform: translateY(-2px); }

  /* PCB GRID WIDE */
  .pcb-grid--wide { grid-template-columns: 1fr !important; }
  .pcb-grid--wide .spec-list { display: grid; grid-template-columns: 1fr 1fr; }
  @media (max-width: 700px) { .pcb-grid--wide .spec-list { grid-template-columns: 1fr; } }

  /* MODALS */
  .modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(5,7,12,0.85);
    backdrop-filter: blur(14px);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    padding: 20px;
  }
  .modal-overlay.open { display: flex; }

  .modal {
    background: #111520;
    border: 1px solid rgba(0,200,248,0.18);
    width: 100%;
    max-width: 520px;
    position: relative;
    animation: modalIn 0.32s cubic-bezier(0.34,1.4,0.64,1) both;
    box-shadow: 0 48px 120px rgba(0,0,0,0.8), 0 0 60px rgba(0,200,248,0.04);
    max-height: 90vh;
    overflow-y: auto;
  }
  @keyframes modalIn {
    from { opacity:0; transform:translateY(28px) scale(0.95); }
    to   { opacity:1; transform:none; }
  }
  .modal::before {
    content:'';
    position:absolute;
    top:0;left:0;right:0;
    height:1px;
    background:linear-gradient(90deg,transparent,var(--accent),transparent);
    opacity:0.5;
  }

  .modal-header {
    padding: 26px 26px 0;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
  }
  .modal-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.5px;
  }
  .modal-sub { font-size: 0.7rem; color: var(--muted); margin-top: 4px; line-height: 1.6; }

  .modal-close {
    background: none;
    border: 1px solid var(--border);
    color: var(--muted);
    font-size: 1rem;
    width: 30px; height: 30px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.2s;
    font-family: monospace;
    line-height: 1;
  }
  .modal-close:hover { border-color: var(--accent3); color: var(--accent3); }

  .modal-body { padding: 22px 26px 26px; }

  .modal-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  @media (max-width: 480px) { .modal-row { grid-template-columns: 1fr; } }

  .form-group { margin-bottom: 13px; }
  .form-label {
    display: block;
    font-size: 0.6rem;
    color: var(--accent);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 6px;
  }
  .form-input, .form-select, .form-textarea {
    width: 100%;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.07);
    color: #fff;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    padding: 10px 13px;
    outline: none;
    transition: border-color 0.2s, background 0.2s;
    -webkit-appearance: none;
    border-radius: 0;
  }
  .form-input::placeholder, .form-textarea::placeholder { color: #3a4a60; }
  .form-input:focus, .form-select:focus, .form-textarea:focus {
    border-color: rgba(0,200,248,0.35);
    background: rgba(0,200,248,0.03);
  }
  .form-select { cursor: pointer; }
  .form-select option { background: #111520; color: #fff; }
  .form-textarea { resize: vertical; min-height: 88px; line-height: 1.65; }

  .modal-submit {
    width: 100%;
    background: var(--accent);
    color: #08090f;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: none;
    padding: 14px;
    cursor: pointer;
    margin-top: 8px;
    transition: all 0.25s;
    border-radius: 0;
  }
  .modal-submit:hover { filter: brightness(1.08); transform: translateY(-1px); box-shadow: 0 8px 28px rgba(0,200,248,0.22); }

  .modal-success {
    display: none;
    text-align: center;
    padding: 16px 0 4px;
  }
  .modal-success .s-icon { font-size: 1.8rem; margin-bottom: 8px; }
  .modal-success .s-title { font-family: var(--font-display); font-size: 1rem; font-weight: 700; color: #00e87a; margin-bottom: 5px; }
  .modal-success .s-sub { font-size: 0.72rem; color: var(--muted); }
.your-heading {
  font-family: 'Unbounded', sans-serif;
  font-weight: 800;
  line-height: 1.1; /* Syne любит плотный интерлиньяж */
  letter-spacing: -0.01em; /* Для крупных заголовков чуть сужаем */
}