:root {
      --heading: 'Syne', sans-serif;
      --body:    'DM Sans', sans-serif;
      --mono:    'DM Mono', monospace;
      --r:       12px;
      --r2:      20px;
    }

    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      background: var(--bg);
      color: var(--text);
      font-family: var(--body);
      font-weight: 300;
      line-height: 1.7;
      overflow-x: hidden;
      transition: background var(--t-med) var(--ease-smooth), color var(--t-med) var(--ease-smooth);
    }
    a { color: inherit; text-decoration: none; }
    ul { list-style: none; }

    body::before {
      content: '';
      position: fixed;
      inset: 0;
      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='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
      pointer-events: none;
      z-index: 9999;
      opacity: var(--noise-opacity);
      transition: opacity var(--t-med) var(--ease-smooth);
    }

    /* ── NAV ── */
    nav {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 100;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 1.2rem 5vw;
      background: var(--nav-bg);
      backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--border);
      transition:
        background var(--t-med) var(--ease-smooth),
        border-color var(--t-med) var(--ease-smooth),
        padding var(--t-fast) var(--ease-smooth),
        box-shadow var(--t-fast) var(--ease-smooth);
    }
    .nav-logo { font-family: var(--heading); font-weight: 800; font-size: 1.1rem; letter-spacing: -0.02em; }
    .nav-logo span { color: var(--accent); }
    .nav-links { display: flex; gap: 2rem; align-items: center; }
    .nav-links a {
      font-family: var(--mono);
      font-size: 0.78rem;
      color: var(--muted);
      letter-spacing: 0.05em;
      transition: color var(--t-fast) var(--ease-smooth);
      position: relative;
    }
    .nav-links a::after {
      content: '';
      position: absolute;
      bottom: -4px; left: 0;
      width: 0; height: 2px;
      background: var(--accent);
      transition: width var(--t-med) var(--ease-smooth);
    }
    .nav-links a:hover { color: var(--accent); }
    .nav-links a:hover::after { width: 100%; }
    .nav-cta {
      padding: 0.45rem 1.1rem;
      border: 1px solid var(--accent);
      color: var(--accent) !important;
      border-radius: 6px;
      white-space: nowrap;
      margin-right: 0.75rem;
      transition: all var(--t-fast) var(--ease-smooth) !important;
    }
    .nav-cta:hover { background: var(--accent); color: var(--bg) !important; transform: translateY(-2px); }
    .nav-cta::after { display: none !important; }

    .hamburger {
      display: none;
      flex-direction: column;
      gap: 5px;
      cursor: pointer;
      background: none;
      border: none;
      padding: 4px;
      position: relative;
      z-index: 111;
    }
    .hamburger span { display: block; width: 24px; height: 2px; background: var(--text); transition: all var(--t-fast) var(--ease-smooth); }

    /* ── HERO ── */
    #hero {
      min-height: 100vh;
      display: flex;
      align-items: center;
      padding: 8rem 5vw 4rem;
      position: relative;
      overflow: hidden;
    }
    .hero-grid-bg {
      position: absolute; inset: 0;
      background-image:
        linear-gradient(var(--hero-grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--hero-grid) 1px, transparent 1px);
      background-size: 60px 60px;
      mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black, transparent);
    }
    .hero-glow {
      position: absolute;
      width: 600px; height: 600px;
      background: radial-gradient(circle, var(--glow-cyan) 0%, transparent 65%);
      top: -10%; left: -10%;
      pointer-events: none;
      transition: opacity var(--t-slow) var(--ease-smooth);
    }
    .hero-glow-2 {
      position: absolute;
      width: 450px; height: 450px;
      background: radial-gradient(circle, var(--glow-purple) 0%, transparent 65%);
      bottom: 0; right: -5%;
      pointer-events: none;
    }
    .hero-inner { position: relative; max-width: 820px; }
    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      font-family: var(--mono);
      font-size: 0.75rem;
      color: var(--accent);
      letter-spacing: 0.1em;
      text-transform: uppercase;
      margin-bottom: 1.5rem;
      animation: fadeUp var(--t-slow) var(--ease-out) both;
    }
    .hero-tag::before {
      content: '';
      width: 6px; height: 6px;
      background: var(--accent);
      border-radius: 50%;
      animation: pulse 2s infinite;
    }
    @keyframes pulse {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.55; transform: scale(1.25); }
    }
    .hero-inner h1 {
      font-family: var(--heading);
      font-weight: 800;
      font-size: clamp(2.8rem, 7vw, 5.2rem);
      line-height: 1.15;
      letter-spacing: -0.03em;
      margin-bottom: 1.5rem;
    }
    .hero-line-intro {
      display: block;
      animation: fadeUp var(--t-slow) 0.08s var(--ease-out) both;
    }
    .hero-name { color: var(--text); }
    .hero-type-line {
      display: block;
      min-height: 1.15em;
      margin: 0.15em 0;
      animation: fadeUp var(--t-slow) 0.18s var(--ease-out) both;
    }
    .hero-typewriter {
      color: var(--accent);
      display: inline;
    }
    .typewriter-text { display: inline; }
    .type-cursor {
      display: inline-block;
      width: 3px;
      height: 0.85em;
      margin-left: 3px;
      vertical-align: -0.08em;
      background: var(--accent);
      border-radius: 1px;
      animation: cursorBlink 1s step-end infinite;
    }
    @keyframes cursorBlink {
      0%, 100% { opacity: 1; }
      50% { opacity: 0; }
    }
    .hero-line-outro {
      display: block;
      animation: fadeUp var(--t-slow) 0.28s var(--ease-out) both;
    }
    .line-accent { color: var(--accent); }
    .line-dim    { color: var(--muted); }
    .hero-sub {
      font-size: 1.1rem;
      color: var(--muted);
      max-width: 540px;
      line-height: 1.8;
      margin-bottom: 2.5rem;
      opacity: 0;
      animation: fadeUp var(--t-slow) var(--ease-out) forwards;
      animation-play-state: paused;
    }
    .hero-sub.hero-ready { animation-play-state: running; animation-delay: 0.4s; }
    .hero-sub strong { color: var(--text); font-weight: 500; }
    .hero-actions {
      display: flex;
      gap: 1rem;
      flex-wrap: wrap;
      opacity: 0;
      animation: fadeUp var(--t-slow) var(--ease-out) forwards;
      animation-play-state: paused;
    }
    .hero-actions.hero-ready { animation-play-state: running; animation-delay: 0.52s; }

    @keyframes fadeUp {
      from { opacity: 0; transform: translateY(20px); }
      to   { opacity: 1; transform: translateY(0); }
    }

    /* ── BUTTONS ── */
    .btn {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      font-family: var(--mono);
      font-size: 0.82rem;
      letter-spacing: 0.04em;
      padding: 0.8rem 1.8rem;
      border-radius: var(--r);
      cursor: pointer;
      transition: all var(--t-fast) var(--ease-smooth);
      border: none;
    }
    .btn-primary { background: var(--accent); color: var(--bg); }
    .btn-primary:hover { background: var(--accent-hover); transform: translateY(-3px); box-shadow: 0 12px 40px var(--btn-glow); }
    .btn-secondary { background: transparent; color: var(--text); border: 1px solid var(--border); }
    .btn-secondary:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-3px); box-shadow: 0 8px 20px var(--btn-glow-soft); }

    /* ── SHARED SECTION ── */
    section { padding: 6rem 5vw; scroll-margin-top: 60px; }
    .container { max-width: 1100px; margin: 0 auto; }
    .section-label {
      font-family: var(--mono);
      font-size: 0.72rem;
      letter-spacing: 0.15em;
      text-transform: uppercase;
      color: var(--accent);
      margin-bottom: 0.6rem;
    }
    .section-title {
      font-family: var(--heading);
      font-size: clamp(1.8rem, 4vw, 2.6rem);
      font-weight: 800;
      letter-spacing: -0.02em;
      line-height: 1.1;
      margin-bottom: 0.75rem;
    }
    .section-sub { color: var(--muted); max-width: 520px; margin-bottom: 3rem; font-size: 0.97rem; line-height: 1.8; }

    /* ── ABOUT ── */
    #about { background: var(--bg2); }
    .about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
    .about-text { display: flex; flex-direction: column; gap: 1.2rem; }
    .about-text p { color: var(--muted); font-size: 0.97rem; }
    .about-text p strong { color: var(--text); font-weight: 500; }

    .skills-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
    .skill-category {
      background: var(--bg3);
      border: 1px solid var(--border);
      border-radius: var(--r2);
      padding: 1.4rem;
      transition: transform var(--t-fast) var(--ease-smooth), border-color var(--t-fast) var(--ease-smooth), box-shadow var(--t-fast) var(--ease-smooth), background var(--t-fast) var(--ease-smooth);
    }
    .skill-category:hover {
      transform: translateY(-6px);
      border-color: var(--label-accent-bd);
      box-shadow: 0 12px 35px var(--btn-glow-soft);
      background: var(--surface);
    }
    .skill-category h4 { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); margin-bottom: 0.9rem; }
    .skill-tags { display: flex; flex-wrap: wrap; gap: 0.45rem; }
    .skill-tag {
      font-family: var(--mono);
      font-size: 0.72rem;
      padding: 0.28rem 0.7rem;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 4px;
      color: var(--text);
      transition: all var(--t-fast) var(--ease-smooth);
    }
    .skill-tag:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-3px); box-shadow: 0 4px 12px var(--btn-glow-soft); }

    /* ── PROJECTS ── */
    #projects {
      background: var(--bg);
      position: relative;
      overflow: hidden;
      padding: 0;
      scroll-margin-top: 60px;
    }
    #projects .projects-intro {
      padding: 6rem 5vw 2.5rem;
      max-width: 1100px;
      margin: 0 auto;
    }
    #projects::before {
      content: '';
      position: absolute;
      width: 520px; height: 520px;
      top: -8%; right: -12%;
      background: radial-gradient(circle, var(--glow-section-cyan) 0%, transparent 68%);
      pointer-events: none;
    }
    #projects::after {
      content: '';
      position: absolute;
      width: 400px; height: 400px;
      bottom: 5%; left: -10%;
      background: radial-gradient(circle, var(--glow-section-purple) 0%, transparent 68%);
      pointer-events: none;
    }
    .projects-header {
      display: flex;
      flex-wrap: wrap;
      align-items: flex-end;
      justify-content: space-between;
      gap: 1.5rem;
      margin-bottom: 3rem;
      padding-bottom: 2rem;
      border-bottom: 1px solid var(--border);
    }
    .projects-header-text { max-width: 560px; }
    .projects-header-text .section-sub { margin-bottom: 0; }
    .projects-count {
      font-family: var(--mono);
      font-size: 0.72rem;
      letter-spacing: 0.08em;
      color: var(--muted);
      padding: 0.55rem 1rem;
      background: var(--bg2);
      border: 1px solid var(--border);
      border-radius: 100px;
      white-space: nowrap;
      transition: border-color 0.35s ease, color 0.35s ease;
    }
    .projects-count strong { color: var(--accent); font-weight: 400; }

    .projects-showcase {
      position: relative;
      width: 100%;
    }
    .projects-track {
      display: flex;
      flex-direction: column;
    }

    .project-slide {
      min-height: 100vh;
      min-height: 100dvh;
      scroll-snap-align: center;
      scroll-snap-stop: always;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 5rem 5vw;
      position: relative;
      opacity: 0.35;
      transform: translateY(40px);
      transition:
        opacity 0.9s var(--ease-out),
        transform 0.9s var(--ease-out);
    }
    .project-slide::before {
      content: '';
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse 70% 50% at 50% 50%, color-mix(in srgb, var(--card-accent, var(--accent)) 6%, transparent), transparent 70%);
      opacity: 0;
      transition: opacity 0.9s var(--ease-out);
      pointer-events: none;
    }
    .project-slide.is-active {
      opacity: 1;
      transform: translateY(0);
    }
    .project-slide.is-active::before { opacity: 1; }
    .project-slide.is-past {
      opacity: 0.2;
      transform: translateY(-30px);
    }

    .project-card-link {
      display: block;
      color: inherit;
      text-decoration: none;
      width: 100%;
      max-width: 1280px;
      position: relative;
      z-index: 1;
    }
    .project-card-link:focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 4px;
    }
    .project-card {
      background: var(--bg2);
      border: 1px solid var(--border);
      border-radius: var(--r2);
      overflow: hidden;
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      position: relative;
      cursor: pointer;
      min-height: min(72vh, 680px);
      box-shadow: 0 8px 40px var(--card-shadow);
      transition:
        transform var(--t-med) var(--ease-smooth),
        border-color var(--t-med) var(--ease-smooth),
        box-shadow var(--t-med) var(--ease-smooth);
    }
    .project-slide.is-active .project-card-link:hover .project-card,
    .project-slide.is-active .project-card-link:focus-visible .project-card {
      transform: translateY(-8px);
      border-color: color-mix(in srgb, var(--card-accent, var(--accent)) 40%, transparent);
      box-shadow:
        0 32px 64px var(--card-shadow),
        0 0 0 1px color-mix(in srgb, var(--card-accent, var(--accent)) 15%, transparent),
        0 0 60px color-mix(in srgb, var(--card-accent, var(--accent)) 10%, transparent);
    }
    .project-card::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 2px;
      background: var(--card-accent, var(--accent));
      transform: scaleX(0);
      transform-origin: left;
      transition: transform var(--t-med) var(--ease-smooth);
      z-index: 3;
    }
    .project-card-link:hover .project-card::before,
    .project-card-link:focus-visible .project-card::before { transform: scaleX(1); }

    .project-thumb-wrap {
      position: relative;
      width: 100%;
      min-height: min(72vh, 680px);
      display: flex;
      align-items: center;
      justify-content: center;
      padding: clamp(1.25rem, 2.5vw, 2rem);
      overflow: hidden;
      background: #e9ecf2;
      border-right: 1px solid var(--border);
    }
    [data-theme="light"] .project-thumb-wrap { background: #f0f2f7; }
    .project-thumb-overlay {
      position: absolute;
      inset: 0;
      z-index: 2;
      display: flex;
      align-items: center;
      justify-content: center;
      background: var(--overlay);
      opacity: 0;
      transition: opacity var(--t-med) var(--ease-smooth);
    }
    .project-thumb-cta {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      font-family: var(--mono);
      font-size: 0.72rem;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--text);
      padding: 0.65rem 1.2rem;
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.18);
      border-radius: 100px;
      backdrop-filter: blur(12px);
      transform: translateY(8px);
      transition: transform var(--t-med) var(--ease-out), background var(--t-fast) var(--ease-smooth);
    }
    .project-card-link:hover .project-thumb-overlay,
    .project-card-link:focus-visible .project-thumb-overlay { opacity: 1; }
    .project-card-link:hover .project-thumb-cta,
    .project-card-link:focus-visible .project-thumb-cta { transform: none; }
    .project-thumb-img {
      width: 100%;
      height: auto;
      max-width: 100%;
      max-height: calc(min(72vh, 680px) - 3.5rem);
      object-fit: contain;
      object-position: center center;
      display: block;
      border-radius: 8px;
      box-shadow: 0 4px 24px rgba(0, 0, 0, 0.12);
      transition: transform var(--t-slow) var(--ease-out), box-shadow var(--t-med) var(--ease-smooth);
    }
    .project-slide.is-active .project-card-link:hover .project-thumb-img,
    .project-slide.is-active .project-card-link:focus-visible .project-thumb-img {
      transform: scale(1.02);
      box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
    }
    .project-thumb-wrap::after {
      content: '';
      position: absolute;
      top: 0;
      right: 0;
      bottom: 0;
      width: 48px;
      background: linear-gradient(90deg, transparent, var(--bg2));
      pointer-events: none;
    }
    .project-num-badge {
      position: absolute;
      top: 0.9rem; left: 1rem;
      z-index: 2;
      font-family: var(--mono);
      font-size: 0.62rem;
      letter-spacing: 0.12em;
      color: rgba(255,255,255,0.6);
      background: var(--thumb-overlay);
      border: 1px solid rgba(255,255,255,0.1);
      padding: 0.2rem 0.6rem;
      border-radius: 4px;
      backdrop-filter: blur(10px);
    }

    .project-body {
      padding: clamp(2rem, 4vw, 3.5rem);
      display: flex;
      flex-direction: column;
      gap: 1rem;
      justify-content: center;
    }
    .project-labels { display: flex; flex-wrap: wrap; gap: 0.4rem; }
    .proj-label { font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.04em; padding: 0.18rem 0.6rem; border-radius: 20px; }
    .proj-label-accent  { background: var(--label-accent-bg);  color: var(--accent);  border: 1px solid var(--label-accent-bd); }
    .proj-label-accent2 { background: var(--label-accent2-bg); color: var(--accent2); border: 1px solid var(--label-accent2-bd); }
    .proj-label-orange  { background: var(--label-orange-bg);  color: var(--orange);  border: 1px solid var(--label-orange-bd); }

    .project-title {
      font-family: var(--heading);
      font-size: clamp(1.5rem, 3vw, 2.2rem);
      font-weight: 700;
      letter-spacing: -0.02em;
      line-height: 1.25;
      transition: color var(--t-fast) var(--ease-smooth);
    }
    .project-card-link:hover .project-title,
    .project-card-link:focus-visible .project-title {
      color: var(--card-accent, var(--accent));
    }
    .project-desc {
      font-size: clamp(0.9rem, 1.5vw, 1.02rem);
      color: var(--muted);
      line-height: 1.8;
      flex: 1;
      display: -webkit-box;
      -webkit-line-clamp: 6;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .project-footer {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      margin-top: 0.5rem;
      padding-top: 1rem;
      border-top: 1px solid var(--border);
    }
    .project-stack { display: flex; flex-wrap: wrap; gap: 0.4rem; flex: 1; }
    .stack-tag {
      font-family: var(--mono);
      font-size: 0.67rem;
      padding: 0.2rem 0.6rem;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 3px;
      color: var(--muted);
      transition: all var(--t-fast) var(--ease-smooth);
    }
    .stack-tag:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
    .project-view-hint {
      font-family: var(--mono);
      font-size: 0.68rem;
      letter-spacing: 0.06em;
      color: var(--card-accent, var(--accent));
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      white-space: nowrap;
      flex-shrink: 0;
      transition: gap 0.35s ease;
    }
    .project-view-hint svg {
      transition: transform var(--t-fast) var(--ease-spring);
    }
    .project-card-link:hover .project-view-hint { gap: 0.55rem; }
    .project-card-link:hover .project-view-hint svg { transform: translateX(4px); }

    .projects-ui {
      position: fixed;
      bottom: 1.75rem;
      left: 0;
      right: 0;
      z-index: 90;
      padding: 0 5vw;
      opacity: 0;
      transform: translateY(16px);
      transition: opacity var(--t-med) var(--ease-out), transform var(--t-med) var(--ease-out);
      pointer-events: none;
    }
    .projects-ui.is-visible {
      opacity: 1;
      transform: none;
    }
    .projects-progress {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1.5rem;
      max-width: 420px;
      margin: 0 auto;
      padding: 0.85rem 1.35rem;
      background: var(--nav-bg);
      backdrop-filter: blur(20px);
      border: 1px solid var(--border);
      border-radius: 100px;
      box-shadow: 0 12px 40px var(--card-shadow);
      pointer-events: auto;
    }
    .projects-scroll-hint {
      font-family: var(--mono);
      font-size: 0.68rem;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--muted);
      text-align: center;
      padding: 2rem 5vw 3rem;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      animation: hintBounce 2.5s var(--ease-smooth) infinite;
    }
    .projects-scroll-hint svg {
      animation: hintArrow 2.5s var(--ease-smooth) infinite;
    }
    @keyframes hintBounce {
      0%, 100% { opacity: 0.55; }
      50% { opacity: 1; }
    }
    @keyframes hintArrow {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(5px); }
    }
    .projects-progress-label {
      font-family: var(--mono);
      font-size: 0.72rem;
      letter-spacing: 0.1em;
      color: var(--muted);
    }
    .projects-progress-label strong {
      color: var(--accent);
      font-weight: 400;
    }
    .projects-dots {
      display: flex;
      gap: 0.5rem;
      align-items: center;
    }
    .projects-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      border: 1px solid var(--border);
      background: var(--bg3);
      padding: 0;
      cursor: pointer;
      transition:
        transform var(--t-fast) var(--ease-spring),
        background var(--t-fast) var(--ease-smooth),
        border-color var(--t-fast) var(--ease-smooth),
        width var(--t-fast) var(--ease-smooth);
    }
    .projects-dot:hover { border-color: var(--accent); transform: scale(1.15); }
    .projects-dot.is-active {
      width: 28px;
      border-radius: 100px;
      background: var(--accent);
      border-color: var(--accent);
    }

    /* skeleton loading */
    .project-slide .project-skeleton {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      max-width: 1280px;
      width: 100%;
      margin: 0 auto;
      min-height: min(72vh, 680px);
    }
    .project-skeleton {
      background: var(--bg2);
      border: 1px solid var(--border);
      border-radius: var(--r2);
      overflow: hidden;
      animation: skeletonPulse 1.6s ease-in-out infinite;
    }
    .project-skeleton-thumb {
      min-height: 320px;
      aspect-ratio: auto;
      background: linear-gradient(90deg, var(--bg3) 0%, var(--surface) 50%, var(--bg3) 100%);
      background-size: 200% 100%;
      animation: skeletonShimmer 1.4s ease-in-out infinite;
    }
    .project-skeleton-body { padding: 1.4rem 1.6rem 1.7rem; display: flex; flex-direction: column; gap: 0.75rem; }
    .project-skeleton-line {
      height: 10px;
      border-radius: 4px;
      background: linear-gradient(90deg, var(--bg3) 0%, var(--surface) 50%, var(--bg3) 100%);
      background-size: 200% 100%;
      animation: skeletonShimmer 1.4s ease-in-out infinite;
    }
    .project-skeleton-line.w60 { width: 60%; }
    .project-skeleton-line.w40 { width: 40%; }
    .project-skeleton-line.w90 { width: 90%; height: 14px; }
    @keyframes skeletonShimmer {
      0% { background-position: 200% 0; }
      100% { background-position: -200% 0; }
    }
    @keyframes skeletonPulse {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.85; }
    }

    @media (prefers-reduced-motion: reduce) {
      .type-cursor { animation: none; opacity: 1; }
      .hero-sub, .hero-actions { animation-play-state: running; opacity: 1; }
      .projects-scroll-hint { animation: none; opacity: 0.7; }
      .project-slide {
        opacity: 1;
        transform: none;
        filter: none;
        transition: none;
      }
      .project-card,
      .project-thumb-img,
      .project-thumb-overlay,
      .project-thumb-cta,
      .project-view-hint svg { transition: none !important; }
      .project-skeleton, .project-skeleton-thumb, .project-skeleton-line { animation: none; }
    }

    /* ── CONTACT ── */
    #contact { background: var(--bg2); }
    .contact-wrap { max-width: 600px; margin: 0 auto; text-align: center; }
    .contact-wrap .section-label, .contact-wrap .section-title { text-align: center; }
    .contact-wrap .section-sub { margin: 0 auto 2rem; text-align: center; }
    .contact-form { background: var(--bg3); border: 1px solid var(--border); border-radius: var(--r2); padding: 2.2rem; text-align: left; }
    .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
    .form-group { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1rem; }
    .form-group label { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
    .form-group input, .form-group select, .form-group textarea {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 0.72rem 1rem;
      color: var(--text);
      font-family: var(--body);
      font-size: 0.88rem;
      outline: none;
      width: 100%;
      transition: border-color var(--t-fast) var(--ease-smooth), box-shadow var(--t-fast) var(--ease-smooth), background var(--t-fast) var(--ease-smooth);
    }
    .form-group input:focus, .form-group textarea:focus, .form-group select:focus {
      border-color: var(--accent);
      background: var(--bg3);
      box-shadow: 0 0 0 4px var(--focus-ring);
    }
    .form-group textarea { min-height: 110px; resize: vertical; }
    .form-group select option { background: var(--bg3); }
    .form-note { font-family: var(--mono); font-size: 0.69rem; color: var(--muted); margin-bottom: 1.4rem; }
    .btn-submit { width: 100%; justify-content: center; font-size: 0.85rem; padding: 0.95rem; }
    .form-toast {
      display: none;
      margin-top: 1rem;
      padding: 0.9rem 1.2rem;
      background: var(--toast-bg);
      border: 1px solid var(--toast-border);
      border-radius: var(--r);
      font-family: var(--mono);
      font-size: 0.82rem;
      color: var(--accent);
      text-align: center;
      animation: slideInUp var(--t-med) var(--ease-out);
    }
    @keyframes slideInUp {
      from { opacity: 0; transform: translateY(12px); }
      to { opacity: 1; transform: translateY(0); }
    }

    /* ── FOOTER ── */
    footer { background: var(--bg); border-top: 1px solid var(--border); padding: 2rem 5vw; }
    .footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }
    .footer-logo { font-family: var(--heading); font-weight: 800; font-size: 1rem; }
    .footer-logo span { color: var(--accent); }
    .footer-links { display: flex; gap: 1.5rem; }
    .footer-links a { font-family: var(--mono); font-size: 0.72rem; color: var(--muted); transition: color var(--t-fast) var(--ease-smooth), transform var(--t-fast) var(--ease-spring); }
    .footer-links a:hover { color: var(--accent); transform: translateY(-2px); }
    .footer-copy { font-family: var(--mono); font-size: 0.7rem; color: var(--muted); }

    /* ── REVEAL ── */
    .reveal {
      opacity: 0;
      transform: translateY(24px);
      transition: opacity var(--t-slow) var(--ease-out), transform var(--t-slow) var(--ease-out);
    }
    .reveal.visible { opacity: 1; transform: translateY(0); }

    /* ── MOBILE ── */
    @media (max-width: 768px) {
      nav { padding: 1rem 5vw; }
      .nav-cta { padding: 0.4rem 0.9rem; font-size: 0.7rem; margin-right: 0; }
      .nav-right { gap: 0.5rem; }
      .nav-links {
        display: none; flex-direction: column;
        position: absolute; top: 100%; left: 0; right: 0;
        background: var(--nav-bg-solid); backdrop-filter: blur(20px);
        padding: 1.5rem; gap: 1.2rem;
        border-bottom: 1px solid var(--border); z-index: 110;
      }
      .nav-links a { font-size: 0.85rem; }
      .nav-links.open { display: flex; }
      .hamburger { display: flex; }
      #hero { padding: 6rem 5vw 4rem; }
      .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
      .skills-grid { grid-template-columns: 1fr; }
      .projects-header { flex-direction: column; align-items: flex-start; }
      .project-slide { min-height: auto; padding: 3rem 5vw; }
      .project-card { grid-template-columns: 1fr; min-height: auto; }
      .project-thumb-wrap {
        min-height: auto;
        aspect-ratio: unset;
        height: auto;
        padding: 1.25rem;
        border-right: none;
        border-bottom: 1px solid var(--border);
      }
      .project-thumb-wrap::after { display: none; }
      .project-thumb-img { max-height: 280px; }
      .project-body { padding: 1.75rem 1.5rem 2rem; }
      .project-slide .project-skeleton { grid-template-columns: 1fr; min-height: auto; }
      .projects-ui { bottom: 1rem; }
      .projects-progress { max-width: 100%; border-radius: var(--r2); }
      .form-row { grid-template-columns: 1fr; }
      .contact-form { padding: 1.5rem; }
      .footer-inner { flex-direction: column; text-align: center; }
      .footer-links { justify-content: center; }
      .hero-stats { gap: 1rem; }
      .hero-stat-divider { display: none; }
    }

/* ── Hero stats ── */
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.75rem;
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: fadeUp var(--t-slow) var(--ease-out) forwards;
  animation-play-state: paused;
}
.hero-stats.hero-ready { animation-play-state: running; animation-delay: 0.35s; }
.hero-stat { display: flex; flex-direction: column; gap: 0.15rem; }
.hero-stat-value {
  font-family: var(--heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.hero-stat-label {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.hero-stat-divider {
  width: 1px;
  height: 2.25rem;
  background: var(--border);
  flex-shrink: 0;
}

/* ── Form validation ── */
.form-group.has-error input,
.form-group.has-error textarea,
.form-group.has-error select {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--orange) 18%, transparent);
}
.form-error-msg {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--orange);
  display: none;
}
.form-group.has-error .form-error-msg { display: block; }

/* ── Submit spinner ── */
.btn-spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Mobile nav polish ── */
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
body.nav-open { overflow: hidden; }