:root {
    --bg:        #07090f;
    --surface:   #0d1117;
    --card:      #111827;
    --deep-surface: #020617;
    --border:    #1e2d40;
    --accent:    #00d4ff;
    --accent2:   #7c3aed;
    --accent3:   #10b981;
    --text:      #e2e8f0;
    --muted:     #64748b;
    --danger:    #ef4444;
    --body-copy: #94a3b8;
    --soft-text: #cbd5e1;
    --bg-rgb: 7, 9, 15;
    --surface-rgb: 13, 17, 23;
    --card-rgb: 17, 24, 39;
    --panel-rgb: 2, 6, 23;
    --nav-bg: rgba(var(--bg-rgb), 0.7);
    --nav-bg-scrolled: rgba(var(--bg-rgb), 0.88);
    --text-on-accent: #07090f;
    --hover-surface: #ffffff;
    --canvas-opacity: 1;
    color-scheme: dark;
    --mono:      'JetBrains Mono', monospace;
    --sans:      'Space Grotesk', sans-serif;
  }

  :root[data-theme="light"] {
    --bg:        #f6f8fb;
    --surface:   #ffffff;
    --card:      #ffffff;
    --deep-surface: #e8eef6;
    --border:    #cbd8e6;
    --accent:    #0787b8;
    --accent2:   #2c5cc8;
    --accent3:   #047857;
    --text:      #142033;
    --muted:     #667085;
    --danger:    #dc2626;
    --body-copy: #43556b;
    --soft-text: #334155;
    --bg-rgb: 246, 248, 251;
    --surface-rgb: 255, 255, 255;
    --card-rgb: 255, 255, 255;
    --panel-rgb: 226, 232, 240;
    --nav-bg: rgba(255, 255, 255, 0.82);
    --nav-bg-scrolled: rgba(255, 255, 255, 0.94);
    --text-on-accent: #ffffff;
    --hover-surface: #ecfeff;
    --canvas-opacity: 0.72;
    color-scheme: light;
  }

  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

  html { scroll-behavior: smooth; }

  body {
    background:
      radial-gradient(circle at 15% 12%, rgba(0,212,255,0.1), transparent 28%),
      radial-gradient(circle at 86% 18%, rgba(124,58,237,0.1), transparent 30%),
      var(--bg);
    color: var(--text);
    font-family: var(--sans);
    overflow-x: hidden;
    line-height: 1.6;
    transition: background 0.25s ease, color 0.25s ease;
  }

  :root[data-theme="light"] body {
    background:
      linear-gradient(180deg, rgba(255,255,255,0.72), rgba(246,248,251,0.96)),
      radial-gradient(circle at 14% 16%, rgba(7,135,184,0.14), transparent 34%),
      radial-gradient(circle at 88% 12%, rgba(44,92,200,0.12), transparent 30%),
      var(--bg);
  }

  .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;
  }

  .soc-loader {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    min-height: 100vh;
    min-height: 100svh;
    overflow-y: auto;
    background:
      radial-gradient(circle at 18% 18%, rgba(0,212,255,0.18), transparent 32%),
      radial-gradient(circle at 82% 72%, rgba(124,58,237,0.20), transparent 34%),
      rgba(var(--bg-rgb),0.96);
    transition: opacity 0.5s ease, visibility 0.5s ease;
  }
  .soc-loader.hidden {
    opacity: 0;
    visibility: hidden;
  }
  .soc-loader-grid {
    position: absolute;
    inset: 0;
    background-image:
      linear-gradient(rgba(30,45,64,0.23) 1px, transparent 1px),
      linear-gradient(90deg, rgba(30,45,64,0.23) 1px, transparent 1px);
    background-size: 70px 70px;
    mask-image: radial-gradient(circle, rgba(0,0,0,0.95), transparent 74%);
    pointer-events: none;
  }
  .soc-loader-card {
    position: relative;
    width: min(100%, 620px);
    max-height: calc(100svh - 2rem);
    border: 1px solid rgba(0,212,255,0.28);
    border-radius: 16px;
    background:
      linear-gradient(145deg, rgba(var(--card-rgb),0.94), rgba(var(--surface-rgb),0.94)),
      var(--surface);
    box-shadow: 0 30px 100px rgba(0,0,0,0.55), 0 0 80px rgba(0,212,255,0.13);
    overflow: hidden;
    backdrop-filter: blur(22px);
  }
  .soc-loader-bar {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.8rem 1rem;
    border-bottom: 1px solid var(--border);
    background: rgba(var(--panel-rgb),0.54);
    color: var(--muted);
    font-family: var(--mono);
    font-size: 0.72rem;
  }
  .soc-loader-bar span:last-child {
    margin-left: auto;
  }
  .soc-loader-body {
    padding: 2rem;
  }
  .soc-loader-kicker {
    font-family: var(--mono);
    color: var(--accent);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    font-size: 0.72rem;
    margin-bottom: 0.85rem;
  }
  .soc-loader h2 {
    font-size: clamp(1.6rem, 4vw, 2.35rem);
    line-height: 1.1;
    margin-bottom: 0.9rem;
  }
  .soc-loader p {
    color: var(--body-copy);
    font-family: var(--mono);
    font-size: 0.82rem;
    min-height: 1.7rem;
  }
  .soc-loader-terminal {
    margin: 1.2rem 0;
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: rgba(var(--panel-rgb),0.58);
    font-family: var(--mono);
    font-size: 0.76rem;
    line-height: 1.9;
  }
  .soc-loader-progress {
    height: 10px;
    border: 1px solid var(--border);
    border-radius: 999px;
    overflow: hidden;
    background: var(--deep-surface);
  }
  .soc-loader-progress span {
    display: block;
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--accent), var(--accent2), var(--accent3));
    animation: socLoaderProgress 5s linear forwards;
  }
  @keyframes socLoaderProgress {
    to { width: 100%; }
  }
  .soc-loader-meta {
    margin-top: 0.85rem;
    color: var(--muted);
    font-family: var(--mono);
    font-size: 0.72rem;
  }
  .soc-loader-skip {
    margin-top: 0.95rem;
    padding: 0.55rem 0.85rem;
    border-radius: 8px;
    border: 1px solid rgba(0,212,255,0.28);
    background: rgba(0,212,255,0.08);
    color: var(--accent);
    font-family: var(--mono);
    font-size: 0.68rem;
    cursor: pointer;
  }

  @media (max-width: 560px) {
    .soc-loader {
      align-items: flex-start;
      padding: 0.85rem;
      padding-top: max(0.85rem, env(safe-area-inset-top));
      padding-bottom: max(0.85rem, env(safe-area-inset-bottom));
    }
    .soc-loader-card {
      width: 100%;
      max-height: none;
      margin: auto 0;
      border-radius: 14px;
    }
    .soc-loader-bar {
      padding: 0.7rem 0.8rem;
      font-size: 0.62rem;
    }
    .soc-loader-bar span:last-child {
      max-width: 62%;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .soc-loader-body {
      padding: 1.2rem;
    }
    .soc-loader-kicker {
      font-size: 0.62rem;
      letter-spacing: 0.12em;
    }
    .soc-loader h2 {
      font-size: 1.45rem;
      margin-bottom: 0.7rem;
    }
    .soc-loader p {
      font-size: 0.72rem;
      min-height: 2.7rem;
    }
    .soc-loader-terminal {
      margin: 0.9rem 0;
      padding: 0.75rem;
      font-size: 0.64rem;
      line-height: 1.7;
      overflow-wrap: anywhere;
    }
    .soc-loader-meta {
      font-size: 0.62rem;
      line-height: 1.5;
    }
  }

  @media (max-width: 768px), (max-height: 700px) {
    .soc-loader,
    .soc-loader.mobile {
      align-items: center !important;
      justify-content: center !important;
      height: 100vh !important;
      height: 100dvh !important;
      min-height: 100vh !important;
      min-height: 100dvh !important;
      padding: 12px !important;
      overflow: hidden !important;
    }
    .soc-loader-grid {
      background-size: 44px 44px !important;
      opacity: 0.55 !important;
    }
    .soc-loader-card {
      width: calc(100vw - 24px) !important;
      max-width: 360px !important;
      max-height: calc(100dvh - 24px) !important;
      border-radius: 14px !important;
      overflow: hidden !important;
    }
    .soc-loader-bar {
      padding: 0.55rem 0.7rem !important;
      gap: 0.32rem !important;
      font-size: 0.58rem !important;
    }
    .soc-loader-bar .dot {
      width: 8px !important;
      height: 8px !important;
      flex: 0 0 auto !important;
    }
    .soc-loader-bar span:last-child {
      max-width: 58% !important;
      white-space: nowrap !important;
      overflow: hidden !important;
      text-overflow: ellipsis !important;
    }
    .soc-loader-body {
      padding: 0.9rem !important;
      max-height: calc(100dvh - 48px) !important;
      overflow-y: auto !important;
      -webkit-overflow-scrolling: touch !important;
    }
    .soc-loader-kicker {
      font-size: 0.58rem !important;
      letter-spacing: 0.1em !important;
      margin-bottom: 0.5rem !important;
    }
    .soc-loader h2 {
      font-size: 1.25rem !important;
      margin-bottom: 0.55rem !important;
      line-height: 1.12 !important;
    }
    .soc-loader p {
      font-size: 0.68rem !important;
      min-height: 2.15rem !important;
      line-height: 1.55 !important;
    }
    .soc-loader-terminal {
      display: none !important;
    }
    .soc-loader-progress {
      height: 8px !important;
      margin-top: 0.65rem !important;
    }
    .soc-loader-meta {
      margin-top: 0.65rem !important;
      font-size: 0.58rem !important;
      line-height: 1.45 !important;
    }
    .soc-loader-skip {
      width: 100% !important;
      margin-top: 0.75rem !important;
      padding: 0.58rem 0.7rem !important;
      font-size: 0.62rem !important;
    }
  }

  /* ─── CANVAS ─── */
  #bg-canvas {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 0;
    pointer-events: none;
    opacity: var(--canvas-opacity);
    transition: opacity 0.25s ease;
  }

  /* ─── NAV ─── */
  nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 1.25rem 2.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.25rem;
    background: var(--nav-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: padding 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
  }
  nav.is-scrolled {
    padding-top: 0.85rem;
    padding-bottom: 0.85rem;
    background: var(--nav-bg-scrolled);
    box-shadow: 0 18px 50px rgba(0,0,0,0.28);
  }
  .nav-logo {
    font-family: var(--mono);
    font-size: 0.85rem;
    color: var(--accent);
    letter-spacing: 0.1em;
    text-decoration: none;
    white-space: nowrap;
  }
  .nav-logo span { color: var(--muted); }
  .nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
    min-width: 0;
  }
  .nav-links { display: flex; gap: 2rem; list-style: none; }
  .nav-links a {
    font-family: var(--mono);
    font-size: 0.78rem;
    color: var(--muted);
    text-decoration: none;
    letter-spacing: 0.08em;
    transition: color 0.2s, background 0.2s, box-shadow 0.2s, border-color 0.2s;
    padding: 0.35rem 0.15rem;
    border-radius: 999px;
  }
  .nav-links a:hover { color: var(--accent); }
  .nav-links a.active {
    color: var(--accent);
    text-shadow: 0 0 14px rgba(0,212,255,0.45);
  }
  .nav-links a.active::before {
    content: '';
    display: inline-block;
    width: 0.42rem;
    height: 0.42rem;
    margin-right: 0.45rem;
    border-radius: 50%;
    background: var(--accent3);
    box-shadow: 0 0 10px var(--accent3);
    vertical-align: 0.08em;
  }
  .theme-toggle {
    appearance: none;
    flex: 0 0 auto;
    width: 58px;
    height: 32px;
    border: 1px solid rgba(0,212,255,0.28);
    border-radius: 999px;
    background:
      linear-gradient(135deg, rgba(0,212,255,0.1), rgba(124,58,237,0.1)),
      rgba(var(--surface-rgb), 0.68);
    color: var(--accent);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    padding: 3px;
    position: relative;
    transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
  }
  .theme-toggle:hover,
  .theme-toggle:focus-visible {
    border-color: var(--accent);
    box-shadow: 0 0 22px rgba(0,212,255,0.16);
    outline: none;
  }
  .theme-toggle-track {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: inherit;
  }
  .theme-track-icon {
    position: absolute;
    top: 50%;
    z-index: 3;
    display: grid;
    place-items: center;
    width: 18px;
    height: 18px;
    transform: translateY(-50%);
    opacity: 0.9;
    color: var(--muted);
    transition: color 0.2s ease, opacity 0.2s ease;
  }
  .theme-track-icon svg {
    width: 14px;
    height: 14px;
  }
  .theme-track-sun {
    left: 4px;
    color: #f59e0b;
  }
  .theme-track-moon {
    right: 4px;
    color: #a78bfa;
  }
  .theme-toggle-thumb {
    position: absolute;
    z-index: 2;
    top: 50%;
    left: 1px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--accent);
    color: var(--text-on-accent);
    box-shadow: 0 8px 18px rgba(0,0,0,0.24);
    transform: translate(0, -50%);
    transition: transform 0.22s ease, background 0.22s ease, color 0.22s ease;
  }
  .theme-icon {
    display: none;
  }
  :root[data-theme="light"] .theme-toggle {
    border-color: rgba(7,135,184,0.28);
    background:
      linear-gradient(135deg, rgba(7,135,184,0.13), rgba(44,92,200,0.1)),
      rgba(255,255,255,0.78);
  }
  :root[data-theme="light"] .theme-track-sun {
    color: #d97706;
  }
  :root[data-theme="light"] .theme-track-moon {
    color: var(--accent2);
  }
  :root[data-theme="light"] .theme-toggle-thumb {
    background: var(--accent3);
    transform: translate(26px, -50%);
  }

  :root[data-theme="light"] .soc-loader {
    background:
      radial-gradient(circle at 18% 18%, rgba(7,135,184,0.16), transparent 32%),
      radial-gradient(circle at 82% 72%, rgba(44,92,200,0.13), transparent 34%),
      rgba(246,248,251,0.96);
  }
  :root[data-theme="light"] .soc-loader-grid {
    background-image:
      linear-gradient(rgba(100,116,139,0.16) 1px, transparent 1px),
      linear-gradient(90deg, rgba(100,116,139,0.16) 1px, transparent 1px);
  }
  :root[data-theme="light"] .soc-loader-card,
  :root[data-theme="light"] .credential-dialog {
    box-shadow: 0 30px 90px rgba(15,23,42,0.14), 0 0 70px rgba(7,135,184,0.12);
  }
  :root[data-theme="light"] .portrait-card {
    box-shadow: 0 28px 80px rgba(15,23,42,0.16), 0 0 50px rgba(7,135,184,0.12);
  }
  :root[data-theme="light"] .portrait-chip {
    background: rgba(255,255,255,0.82);
    box-shadow: 0 12px 32px rgba(15,23,42,0.12);
  }
  :root[data-theme="light"] .exp-card,
  :root[data-theme="light"] .skill-cat,
  :root[data-theme="light"] .cert-card,
  :root[data-theme="light"] .terminal-card {
    box-shadow: 0 16px 42px rgba(15,23,42,0.08);
  }
  :root[data-theme="light"] .tag {
    background: rgba(44,92,200,0.08);
    color: var(--accent2);
    border-color: rgba(44,92,200,0.2);
  }
  :root[data-theme="light"] .tag.cyan {
    background: rgba(7,135,184,0.08);
    color: var(--accent);
    border-color: rgba(7,135,184,0.2);
  }
  :root[data-theme="light"] .tag.green,
  :root[data-theme="light"] .exp-period {
    background: rgba(4,120,87,0.08);
    color: var(--accent3);
    border-color: rgba(4,120,87,0.2);
  }
  :root[data-theme="light"] .credential-backdrop {
    background:
      radial-gradient(circle at 20% 20%, rgba(7,135,184,0.12), transparent 34%),
      radial-gradient(circle at 80% 70%, rgba(44,92,200,0.13), transparent 36%),
      rgba(241,245,249,0.74);
  }

  :root[data-theme="light"] .btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent2));
  }

  :root[data-theme="light"] .stat-num {
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  /* ─── SECTIONS ─── */
  section {
    position: relative;
    z-index: 1;
    padding: 6rem 2.5rem;
    max-width: 1100px;
    margin: 0 auto;
  }

  /* ─── HERO ─── */
  #hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 8rem;
    max-width: 100%;
    padding-left: 10vw;
    padding-right: 10vw;
  }
  .hero-inner {
    width: 100%;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.72fr);
    align-items: center;
    gap: clamp(2rem, 6vw, 6rem);
  }
  .hero-copy {
    min-width: 0;
  }
  .hero-tag {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--accent);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
  }
  .hero-tag::before {
    content: '';
    display: inline-block;
    width: 2rem;
    height: 1px;
    background: var(--accent);
  }
  .hero-name {
    font-size: clamp(3rem, 8vw, 7rem);
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.03em;
    margin-bottom: 0.5rem;
  }
  .hero-name .accent-line {
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
  }
  .hero-title {
    font-family: var(--mono);
    font-size: clamp(0.9rem, 2vw, 1.1rem);
    color: var(--muted);
    margin-bottom: 2.5rem;
    font-weight: 300;
  }
  .hero-title .highlight { color: var(--accent3); font-weight: 500; }
  .hero-summary {
    max-width: 580px;
    color: var(--body-copy);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 3rem;
  }
  .hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
  }
  .hero-visual {
    position: relative;
    min-height: 520px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .portrait-orbit {
    position: absolute;
    width: min(36vw, 470px);
    aspect-ratio: 1;
    border: 1px solid rgba(0,212,255,0.16);
    border-radius: 50%;
    background:
      radial-gradient(circle, rgba(0,212,255,0.16), transparent 58%),
      radial-gradient(circle at 70% 20%, rgba(124,58,237,0.22), transparent 34%);
    filter: blur(0.2px);
    animation: orbitPulse 5s ease-in-out infinite alternate;
  }
  @keyframes orbitPulse {
    from { transform: scale(0.96); opacity: 0.65; }
    to { transform: scale(1.03); opacity: 1; }
  }
  .portrait-card {
    position: relative;
    width: min(34vw, 410px);
    aspect-ratio: 0.82;
    border-radius: 26px;
    padding: 10px;
    background:
      linear-gradient(145deg, rgba(0,212,255,0.28), rgba(124,58,237,0.22)),
      rgba(var(--surface-rgb),0.72);
    border: 1px solid rgba(0,212,255,0.28);
    box-shadow:
      0 28px 90px rgba(0,0,0,0.46),
      0 0 60px rgba(0,212,255,0.14);
    overflow: hidden;
    backdrop-filter: blur(18px);
  }
  .portrait-card::after {
    content: '';
    position: absolute;
    inset: 10px;
    border-radius: 20px;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.06);
    pointer-events: none;
  }
  .hero-portrait {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: center top;
    border-radius: 20px;
    filter: saturate(1.05) contrast(1.03);
    pointer-events: none;
    user-select: none;
    -webkit-user-drag: none;
    -webkit-touch-callout: none;
  }
  .portrait-chip {
    position: absolute;
    z-index: 2;
    font-family: var(--mono);
    font-size: 0.72rem;
    color: var(--accent);
    background: rgba(var(--bg-rgb),0.78);
    border: 1px solid rgba(0,212,255,0.26);
    border-radius: 999px;
    padding: 0.55rem 0.85rem;
    backdrop-filter: blur(14px);
    box-shadow: 0 12px 34px rgba(0,0,0,0.28);
    white-space: nowrap;
  }
  .chip-top {
    top: 15%;
    right: 2%;
  }
  .chip-bottom {
    left: 0;
    bottom: 18%;
    color: var(--accent3);
    border-color: rgba(16,185,129,0.28);
  }
  .btn {
    padding: 0.75rem 1.75rem;
    border-radius: 4px;
    font-family: var(--mono);
    font-size: 0.82rem;
    letter-spacing: 0.05em;
    text-decoration: none;
    transition: all 0.25s;
    cursor: pointer;
    border: none;
  }
  .btn-primary {
    background: var(--accent);
    color: var(--text-on-accent);
    font-weight: 600;
  }
  .btn-primary:hover {
    background: var(--hover-surface);
    box-shadow: 0 0 30px rgba(0,212,255,0.4);
    transform: translateY(-2px);
  }
  .btn-ghost {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
  }
  .btn-ghost:hover {
    background: rgba(0,212,255,0.08);
    transform: translateY(-2px);
  }

  /* ─── STATS ROW ─── */
  .stats-row {
    display: flex;
    gap: 3rem;
    margin-top: 4rem;
    flex-wrap: wrap;
  }
  .stat { display: flex; flex-direction: column; gap: 0.25rem; }
  .stat-num {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--accent);
    font-family: var(--mono);
    line-height: 1;
  }
  .stat-label {
    font-size: 0.75rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
  }

  /* ─── SECTION HEADERS ─── */
  .section-header {
    margin-bottom: 3.5rem;
  }
  .section-eyebrow {
    font-family: var(--mono);
    font-size: 0.72rem;
    color: var(--accent);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
  }
  .section-eyebrow::before {
    content: '//';
    color: var(--accent2);
  }
  .section-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.1;
  }

  /* ─── EXPERIENCE TIMELINE ─── */
  .timeline {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
  }
  .timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0; bottom: 0;
    width: 1px;
    background: linear-gradient(to bottom, var(--accent), var(--accent2), transparent);
    opacity: 0.3;
  }
  .exp-card {
    margin-left: 2rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.75rem 2rem;
    position: relative;
    transition: border-color 0.3s, transform 0.3s;
    cursor: default;
  }
  .exp-card::before {
    content: '';
    position: absolute;
    left: -2.5rem;
    top: 50%;
    transform: translateY(-50%);
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 12px var(--accent);
  }
  .exp-card:hover {
    border-color: var(--accent);
    transform: translateX(4px);
  }
  .exp-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
  }
  .exp-role {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text);
  }
  .exp-period {
    font-family: var(--mono);
    font-size: 0.72rem;
    color: var(--accent3);
    background: rgba(16,185,129,0.08);
    padding: 0.2rem 0.6rem;
    border-radius: 3px;
    border: 1px solid rgba(16,185,129,0.2);
    white-space: nowrap;
  }
  .exp-company {
    font-size: 0.88rem;
    color: var(--accent);
    margin-bottom: 1rem;
    font-family: var(--mono);
  }
  .exp-company .location {
    color: var(--muted);
    font-size: 0.78rem;
  }
  .exp-bullets {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
  }
  .exp-bullets li {
    font-size: 0.88rem;
    color: var(--body-copy);
    padding-left: 1rem;
    position: relative;
    line-height: 1.6;
  }
  .exp-bullets li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent2);
    font-size: 0.75rem;
  }

  /* ─── SKILLS ─── */
  .skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
  }
  .skill-cat {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
    transition: border-color 0.3s;
  }
  .skill-cat:hover { border-color: var(--accent2); }
  .skill-cat-title {
    font-family: var(--mono);
    font-size: 0.72rem;
    color: var(--accent2);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }
  .skill-cat-title svg { width: 14px; height: 14px; }
  .skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  .tag {
    font-family: var(--mono);
    font-size: 0.72rem;
    padding: 0.3rem 0.65rem;
    border-radius: 3px;
    background: rgba(124,58,237,0.1);
    color: #a78bfa;
    border: 1px solid rgba(124,58,237,0.2);
    transition: all 0.2s;
  }
  .tag:hover {
    background: rgba(124,58,237,0.2);
    border-color: var(--accent2);
  }
  .tag.cyan {
    background: rgba(0,212,255,0.08);
    color: var(--accent);
    border-color: rgba(0,212,255,0.2);
  }
  .tag.cyan:hover { background: rgba(0,212,255,0.15); border-color: var(--accent); }
  .tag.green {
    background: rgba(16,185,129,0.08);
    color: var(--accent3);
    border-color: rgba(16,185,129,0.2);
  }

  /* ─── CERTS ─── */
  .certs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1.25rem;
  }
  .cert-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
  }
  .cert-card::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(to right, var(--accent), var(--accent2));
    opacity: 0;
    transition: opacity 0.3s;
  }
  .cert-card:hover::after { opacity: 1; }
  .cert-card:hover { transform: translateY(-4px); border-color: var(--border); }
  .cert-issuer {
    font-family: var(--mono);
    font-size: 0.68rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 0.5rem;
  }
  .cert-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text);
    line-height: 1.35;
    margin-bottom: 0.75rem;
  }
  .cert-status {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-family: var(--mono);
    font-size: 0.68rem;
    color: var(--accent3);
  }
  .cert-status .dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--accent3);
    box-shadow: 0 0 6px var(--accent3);
    animation: pulse 2s infinite;
  }
  @keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
  }

  /* Moving card lanes */
  .marquee-shell {
    position: relative;
  }
  .marquee-controls {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    margin: -0.25rem 0 0.85rem;
  }
  .marquee-btn {
    appearance: none;
    border: 1px solid rgba(0,212,255,0.28);
    border-radius: 999px;
    background: rgba(var(--card-rgb),0.64);
    color: var(--muted);
    cursor: pointer;
    font-family: var(--mono);
    font-size: 0.66rem;
    letter-spacing: 0.12em;
    padding: 0.42rem 0.78rem;
    text-transform: uppercase;
    transition: border-color 0.2s, background 0.2s, color 0.2s, box-shadow 0.2s;
  }
  .marquee-btn:hover,
  .marquee-btn:focus-visible {
    border-color: var(--accent);
    color: var(--accent);
    outline: none;
  }
  .marquee-btn.active {
    background: rgba(0,212,255,0.12);
    border-color: rgba(0,212,255,0.62);
    box-shadow: 0 0 16px rgba(0,212,255,0.12);
    color: var(--accent);
  }
  .marquee-window {
    --marquee-speed: 44s;
    width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    overscroll-behavior-x: contain;
    -webkit-overflow-scrolling: touch;
    padding: 0.35rem 0 0.85rem;
    cursor: grab;
    mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
    scrollbar-width: none;
    touch-action: auto;
  }
  .marquee-window::-webkit-scrollbar { display: none; }
  .marquee-window:active { cursor: grabbing; }
  .marquee-track {
    display: flex;
    grid-template-columns: none;
    width: max-content;
    max-width: none;
    gap: 1.5rem;
    animation: marquee-left var(--marquee-speed) linear infinite;
    will-change: transform;
  }
  .marquee-window:hover .marquee-track {
    animation-play-state: paused;
  }
  .marquee-shell.is-manual .marquee-track {
    animation-play-state: paused;
  }
  .marquee-shell[data-direction="right"] .marquee-track {
    animation-direction: reverse;
  }
  .skills-window { --marquee-speed: 36s; }
  .certs-window { --marquee-speed: 54s; }
  .skills-grid.marquee-track,
  .certs-grid.marquee-track {
    display: flex;
  }
  .skills-grid.marquee-track .skill-cat {
    flex: 0 0 min(340px, 82vw);
    width: min(340px, 82vw);
    min-height: 12.5rem;
  }
  .certs-grid.marquee-track .cert-card {
    flex: 0 0 min(270px, 76vw);
    width: min(270px, 76vw);
    min-height: 14.6rem;
  }
  @keyframes marquee-left {
    from { transform: translateX(0); }
    to { transform: translateX(calc(-50% - 0.75rem)); }
  }

  /* ─── CONTACT ─── */
  .contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
  }
  .contact-info h3 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
  }
  .contact-info p { color: var(--body-copy); line-height: 1.8; margin-bottom: 2rem; }
  .contact-links { display: flex; flex-direction: column; gap: 0.75rem; }
  .contact-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--mono);
    font-size: 0.82rem;
    color: var(--muted);
    text-decoration: none;
    transition: color 0.2s;
  }
  .contact-link:hover { color: var(--accent); }
  .contact-link .icon {
    width: 1.5rem; height: 1.5rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
  }

  .terminal-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
  }
  .terminal-bar {
    background: var(--card);
    padding: 0.7rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    border-bottom: 1px solid var(--border);
  }
  .terminal-bar .dot {
    width: 10px; height: 10px;
    border-radius: 50%;
  }
  .d1 { background: #ff5f57; }
  .d2 { background: #febc2e; }
  .d3 { background: #28c840; }
  .terminal-bar span {
    margin-left: auto;
    font-family: var(--mono);
    font-size: 0.68rem;
    color: var(--muted);
  }
  .terminal-body {
    padding: 1.5rem;
    font-family: var(--mono);
    font-size: 0.8rem;
    line-height: 2;
  }
  .t-prompt { color: var(--accent3); }
  .t-cmd { color: var(--text); }
  .t-key { color: var(--accent2); }
  .t-val { color: var(--accent); }
  .t-comment { color: var(--muted); }
  .t-cursor {
    display: inline-block;
    width: 8px; height: 14px;
    background: var(--accent);
    margin-left: 2px;
    animation: blink 1s step-end infinite;
    vertical-align: middle;
  }
  @keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
  }

  /* ─── FOOTER ─── */
  footer {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 2rem;
    border-top: 1px solid var(--border);
    font-family: var(--mono);
    font-size: 0.72rem;
    color: var(--muted);
  }

  /* ─── SCROLL REVEAL ─── */
  .reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }

  .scroll-top {
    position: fixed;
    right: 1.35rem;
    bottom: 1.35rem;
    z-index: 250;
    width: 46px;
    height: 46px;
    border-radius: 12px;
    border: 1px solid rgba(0,212,255,0.32);
    background: rgba(var(--surface-rgb),0.86);
    color: var(--accent);
    font-family: var(--mono);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
    transition: opacity 0.22s ease, transform 0.22s ease, border-color 0.22s ease;
    backdrop-filter: blur(16px);
    box-shadow: 0 18px 45px rgba(0,0,0,0.28);
  }
  .scroll-top.visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
  .scroll-top:hover {
    border-color: var(--accent);
    box-shadow: 0 0 28px rgba(0,212,255,0.22);
  }

  /* ─── RESPONSIVE ─── */
  @media (max-width: 768px) {
    nav {
      padding: 0.85rem 1rem;
      align-items: flex-start;
      gap: 0.8rem;
      flex-direction: column;
    }
    nav.is-scrolled {
      padding-top: 0.7rem;
      padding-bottom: 0.75rem;
    }
    .nav-right {
      width: 100%;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      align-items: center;
      gap: 0.65rem;
    }
    .nav-links {
      width: auto;
      display: flex;
      gap: 0.55rem;
      overflow-x: auto;
      padding-bottom: 0.2rem;
      scrollbar-width: none;
    }
    .nav-links::-webkit-scrollbar { display: none; }
    .nav-links a {
      display: inline-flex;
      align-items: center;
      white-space: nowrap;
      padding: 0.42rem 0.62rem;
      background: rgba(var(--card-rgb), 0.58);
      border: 1px solid rgba(30,45,64,0.58);
      font-size: 0.68rem;
    }
    .nav-links a.active {
      border-color: rgba(0,212,255,0.42);
      background: rgba(0,212,255,0.08);
    }
    .nav-links a.active::before {
      width: 0.35rem;
      height: 0.35rem;
      margin-right: 0.35rem;
    }
    #hero { padding-left: 1.5rem; padding-right: 1.5rem; }
    .hero-inner { grid-template-columns: 1fr; gap: 2.5rem; }
    .hero-visual { min-height: 390px; order: 2; }
    .portrait-card { width: min(78vw, 330px); }
    .portrait-orbit { width: min(86vw, 380px); }
    .portrait-chip { font-size: 0.66rem; }
    .chip-top { right: 4%; }
    .chip-bottom { left: 6%; bottom: 14%; }
    section { padding: 4rem 1.5rem; }
    .marquee-controls {
      justify-content: flex-start;
      margin: -0.1rem 0 0.7rem;
      overflow-x: auto;
      padding-bottom: 0.1rem;
      scrollbar-width: none;
    }
    .marquee-controls::-webkit-scrollbar { display: none; }
    .marquee-btn {
      flex: 0 0 auto;
      font-size: 0.62rem;
      padding: 0.38rem 0.68rem;
    }
    .marquee-window {
      padding-bottom: 0.55rem;
      mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
    }
    .marquee-track {
      gap: 1rem;
    }
    .skills-window { --marquee-speed: 30s; }
    .certs-window { --marquee-speed: 42s; }
    .skills-grid.marquee-track .skill-cat {
      flex-basis: min(285px, 82vw);
      width: min(285px, 82vw);
      min-height: 12rem;
      padding: 1.15rem;
    }
    .certs-grid.marquee-track .cert-card {
      flex-basis: min(250px, 78vw);
      width: min(250px, 78vw);
      min-height: 14.2rem;
      padding: 1.15rem;
    }
    .contact-grid { grid-template-columns: 1fr; }
    .stats-row { gap: 2rem; }
    .scroll-top {
      right: 1rem;
      bottom: 1rem;
      width: 42px;
      height: 42px;
      border-radius: 10px;
      font-size: 0.66rem;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    *, .reveal, .exp-card, .cert-card { transition: none !important; animation: none !important; }
    .marquee-window {
      overflow-x: auto;
      mask-image: none;
      scrollbar-width: thin;
    }
    .marquee-track {
      transform: none !important;
    }
  }

/* DOCUMENT LINKS */
.cert-logo-wrap {
  width: 3.25rem;
  height: 3.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  border: 1px solid rgba(226,232,240,0.95);
  border-radius: 8px;
  box-shadow: 0 12px 28px rgba(0,0,0,0.28), 0 0 18px rgba(0,212,255,0.12);
  margin-bottom: 1rem;
}
.cert-logo {
  max-width: 2.5rem;
  max-height: 2.5rem;
  object-fit: contain;
  filter: saturate(1.08) contrast(1.06);
}
.cert-actions {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}
.btn-small {
  padding: 0.45rem 0.75rem;
  font-size: 0.68rem;
}
.document-viewer {
  max-width: 1180px;
  min-height: calc(100vh - 9rem);
  padding-top: 8rem;
}
.document-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.document-title {
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  line-height: 1.2;
}
.pdf-frame {
  width: 100%;
  min-height: 75vh;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
}

/* CREDENTIAL MODAL */
body.modal-open {
  overflow: hidden;
}

.credential-modal {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.credential-modal.active {
  display: flex;
}

.credential-backdrop {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(0,212,255,0.14), transparent 34%),
    radial-gradient(circle at 80% 70%, rgba(124,58,237,0.18), transparent 36%),
    rgba(var(--panel-rgb),0.76);
  backdrop-filter: blur(16px);
}

.credential-dialog {
  position: relative;
  width: min(100%, 620px);
  border: 1px solid rgba(0,212,255,0.28);
  border-radius: 16px;
  padding: 2rem;
  background:
    linear-gradient(145deg, rgba(var(--card-rgb),0.96), rgba(var(--surface-rgb),0.92)),
    var(--surface);
  box-shadow:
    0 30px 100px rgba(0,0,0,0.55),
    0 0 70px rgba(0,212,255,0.12);
  overflow: hidden;
}

.credential-dialog::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2), var(--accent3));
}

.credential-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: rgba(var(--panel-rgb),0.7);
  color: var(--muted);
  font-size: 1.25rem;
  cursor: pointer;
  transition: all 0.2s;
}

.credential-close:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.credential-loader {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.credential-loader span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 16px rgba(0,212,255,0.6);
  animation: credentialPulse 0.8s ease-in-out infinite alternate;
}

.credential-loader span:nth-child(2) {
  animation-delay: 0.14s;
  background: var(--accent2);
}

.credential-loader span:nth-child(3) {
  animation-delay: 0.28s;
  background: var(--accent3);
}

@keyframes credentialPulse {
  from { opacity: 0.35; transform: translateY(0); }
  to { opacity: 1; transform: translateY(-7px); }
}

.credential-modal:not(.loading) .credential-loader span {
  animation: none;
}

.credential-kicker {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 0.8rem;
}

.credential-dialog h3 {
  font-size: clamp(1.45rem, 3vw, 2rem);
  line-height: 1.15;
  margin-bottom: 0.9rem;
}

.credential-dialog p {
  color: var(--body-copy);
  line-height: 1.8;
}

.credential-console {
  margin-top: 1.25rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(var(--panel-rgb),0.58);
  font-family: var(--mono);
  font-size: 0.76rem;
  line-height: 1.8;
}

.credential-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.4rem;
}

@media (max-width: 560px) {
  .credential-dialog {
    padding: 1.5rem;
  }
}

  @media (max-width: 768px) {
    nav {
      position: fixed !important;
      top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    z-index: 300 !important;
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
    background: var(--nav-bg-scrolled) !important;
  }

  .nav-logo {
    font-size: 0.78rem !important;
  }

  .nav-right {
    width: 100% !important;
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) auto !important;
    align-items: center !important;
    gap: 0.65rem !important;
  }

  .nav-links {
    display: flex !important;
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: auto !important;
    overflow-y: hidden !important;
    gap: 0.5rem !important;
    padding: 0 0 0.25rem !important;
    list-style: none !important;
  }

  .nav-links li {
    flex: 0 0 auto !important;
  }

  .nav-links a {
    min-height: 34px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    border-radius: 999px !important;
  }

  .nav-links a.active {
    color: var(--text-on-accent) !important;
    background: var(--accent) !important;
    border-color: var(--accent) !important;
    text-shadow: none !important;
    box-shadow: 0 0 22px rgba(0,212,255,0.28) !important;
  }

  .nav-links a.active::before {
    background: var(--text-on-accent) !important;
    box-shadow: none !important;
  }

  .scroll-top {
    z-index: 350 !important;
    display: grid !important;
    place-items: center !important;
    right: max(0.9rem, env(safe-area-inset-right)) !important;
    bottom: max(0.9rem, env(safe-area-inset-bottom)) !important;
    width: 48px !important;
    height: 48px !important;
    border-radius: 50% !important;
    background: var(--accent) !important;
    color: var(--text-on-accent) !important;
    border-color: var(--accent) !important;
    box-shadow: 0 0 28px rgba(0,212,255,0.34), 0 18px 45px rgba(0,0,0,0.34) !important;
  }

  .scroll-top.visible {
    opacity: 1 !important;
    pointer-events: auto !important;
    transform: translateY(0) !important;
  }
}

@media (max-width: 768px) {
  html,
  body {
    max-width: 100%;
    overflow-x: hidden;
  }

  nav {
    padding: 0.85rem 1rem !important;
    gap: 0.75rem !important;
    flex-direction: column !important;
    align-items: flex-start !important;
  }

  .nav-logo {
    max-width: 100% !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    white-space: nowrap !important;
  }

  .nav-right {
    width: 100% !important;
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) auto !important;
    align-items: center !important;
    gap: 0.65rem !important;
  }

  .nav-links {
    min-width: 0 !important;
    overscroll-behavior-x: contain !important;
  }

  .theme-toggle {
    width: 52px !important;
    height: 30px !important;
  }

  .theme-toggle-thumb {
    width: 22px !important;
    height: 22px !important;
  }

  :root[data-theme="light"] .theme-toggle-thumb {
    transform: translate(23px, -50%) !important;
  }

  #hero {
    min-height: auto !important;
    padding: 9.75rem 1.5rem 3.5rem !important;
  }

  .hero-inner {
    grid-template-columns: 1fr !important;
    gap: 2.25rem !important;
  }

  .hero-copy {
    max-width: 42rem !important;
  }

  .hero-tag {
    align-items: flex-start !important;
    gap: 0.55rem !important;
    line-height: 1.55 !important;
    margin-bottom: 1rem !important;
    overflow-wrap: anywhere !important;
  }

  .hero-tag::before {
    flex: 0 0 1.25rem !important;
    margin-top: 0.72em !important;
  }

  .hero-name {
    font-size: 3.15rem !important;
    letter-spacing: 0 !important;
  }

  .hero-title {
    font-size: 0.82rem !important;
    line-height: 1.8 !important;
    margin-bottom: 1.45rem !important;
    overflow-wrap: anywhere !important;
  }

  .hero-summary {
    font-size: 0.94rem !important;
    line-height: 1.72 !important;
    margin-bottom: 2rem !important;
  }

  .hero-cta {
    width: 100% !important;
    gap: 0.75rem !important;
  }

  .hero-cta .btn {
    flex: 1 1 12rem !important;
    min-height: 44px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
  }

  .hero-visual {
    min-height: 360px !important;
  }

  .portrait-card {
    width: min(76vw, 315px) !important;
  }

  .portrait-orbit {
    width: min(84vw, 360px) !important;
  }

  .portrait-chip {
    font-size: 0.66rem !important;
  }

  .chip-top {
    top: 10% !important;
    right: 0 !important;
  }

  .chip-bottom {
    left: 0 !important;
    bottom: 11% !important;
  }

  section {
    padding: 4rem 1.5rem !important;
  }

  .section-header {
    margin-bottom: 2rem !important;
  }

  .section-eyebrow {
    align-items: flex-start !important;
    line-height: 1.55 !important;
    overflow-wrap: anywhere !important;
  }

  .section-title {
    font-size: 2.15rem !important;
    letter-spacing: 0 !important;
  }

  .stats-row {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 1rem !important;
    margin-top: 2.5rem !important;
  }

  .stat {
    min-width: 0 !important;
  }

  .stat-num {
    font-size: 1.75rem !important;
  }

  .stat-label {
    font-size: 0.68rem !important;
    line-height: 1.45 !important;
  }

  .timeline {
    gap: 1rem !important;
  }

  .timeline::before {
    left: 0.45rem !important;
  }

  .exp-card {
    margin-left: 1.45rem !important;
    padding: 1.15rem !important;
  }

  .exp-card::before {
    left: -1.3rem !important;
  }

  .exp-header {
    gap: 0.75rem !important;
  }

  .exp-role,
  .exp-company,
  .exp-bullets li {
    overflow-wrap: anywhere !important;
  }

  .exp-period {
    white-space: normal !important;
    line-height: 1.5 !important;
  }

  .contact-grid {
    grid-template-columns: 1fr !important;
    gap: 2rem !important;
  }

  .contact-info h3 {
    font-size: 1.35rem !important;
    line-height: 1.25 !important;
  }

  .contact-link {
    align-items: flex-start !important;
    line-height: 1.55 !important;
    overflow-wrap: anywhere !important;
  }

  .contact-link .icon {
    flex: 0 0 1.5rem !important;
  }

  .terminal-body {
    padding: 1rem !important;
    font-size: 0.7rem !important;
    line-height: 1.8 !important;
    overflow-x: auto !important;
  }

  .terminal-body div {
    min-width: max-content !important;
  }

  .document-viewer {
    padding-top: 9.75rem !important;
  }

  .document-toolbar {
    align-items: stretch !important;
  }

  .document-toolbar > div,
  .document-toolbar .hero-cta {
    width: 100% !important;
  }

  .pdf-frame {
    min-height: 62vh !important;
  }
}

@media (max-width: 560px) {
  nav {
    padding: 0.75rem 0.85rem !important;
    gap: 0.65rem !important;
  }

  .nav-logo {
    font-size: 0.72rem !important;
    letter-spacing: 0.06em !important;
  }

  .nav-right {
    gap: 0.5rem !important;
  }

  .nav-links {
    gap: 0.42rem !important;
  }

  .nav-links a {
    min-height: 32px !important;
    padding: 0.35rem 0.52rem !important;
    font-size: 0.62rem !important;
    letter-spacing: 0.04em !important;
  }

  .theme-toggle {
    width: 48px !important;
    height: 28px !important;
    padding: 3px !important;
  }

  .theme-toggle-thumb {
    width: 20px !important;
    height: 20px !important;
  }

  .theme-icon {
    width: 12px !important;
    height: 12px !important;
  }

  :root[data-theme="light"] .theme-toggle-thumb {
    transform: translate(21px, -50%) !important;
  }

  #hero {
    padding: 9rem 1rem 3rem !important;
  }

  .hero-inner {
    gap: 1.75rem !important;
  }

  .hero-tag {
    font-size: 0.64rem !important;
    letter-spacing: 0.12em !important;
  }

  .hero-name {
    font-size: 2.55rem !important;
    line-height: 1.04 !important;
  }

  .hero-title {
    font-size: 0.74rem !important;
    margin-bottom: 1.2rem !important;
  }

  .hero-summary {
    font-size: 0.88rem !important;
    line-height: 1.68 !important;
    margin-bottom: 1.65rem !important;
  }

  .hero-cta .btn {
    flex-basis: 100% !important;
    width: 100% !important;
    padding: 0.72rem 1rem !important;
  }

  .stats-row {
    grid-template-columns: 1fr !important;
    margin-top: 2rem !important;
  }

  .hero-visual {
    min-height: 305px !important;
  }

  .portrait-card {
    width: min(78vw, 255px) !important;
    border-radius: 20px !important;
    padding: 8px !important;
  }

  .portrait-card::after,
  .hero-portrait {
    border-radius: 15px !important;
  }

  .portrait-orbit {
    width: min(88vw, 300px) !important;
  }

  .portrait-chip {
    max-width: 46vw !important;
    white-space: normal !important;
    font-size: 0.58rem !important;
    line-height: 1.35 !important;
    padding: 0.45rem 0.62rem !important;
  }

  .chip-top {
    top: 6% !important;
    right: 0.15rem !important;
  }

  .chip-bottom {
    left: 0.15rem !important;
    bottom: 8% !important;
  }

  section {
    padding: 3.25rem 1rem !important;
  }

  .section-title {
    font-size: 1.8rem !important;
  }

  .section-eyebrow {
    font-size: 0.62rem !important;
    letter-spacing: 0.14em !important;
  }

  .exp-card {
    margin-left: 1.15rem !important;
    padding: 1rem !important;
  }

  .exp-card::before {
    left: -1.05rem !important;
    width: 8px !important;
    height: 8px !important;
  }

  .exp-role {
    font-size: 0.98rem !important;
  }

  .exp-company,
  .exp-bullets li {
    font-size: 0.8rem !important;
  }

  .skill-cat-title {
    font-size: 0.66rem !important;
    line-height: 1.45 !important;
  }

  .tag {
    font-size: 0.66rem !important;
    line-height: 1.35 !important;
  }

  .skills-grid.marquee-track .skill-cat,
  .certs-grid.marquee-track .cert-card {
    flex-basis: min(238px, 82vw) !important;
    width: min(238px, 82vw) !important;
  }

  .cert-card {
    padding: 1rem !important;
  }

  .cert-name {
    font-size: 0.88rem !important;
  }

  .cert-status {
    align-items: flex-start !important;
    line-height: 1.45 !important;
  }

  .btn-small {
    width: 100% !important;
    justify-content: center !important;
    text-align: center !important;
  }

  .contact-info p {
    font-size: 0.88rem !important;
    line-height: 1.68 !important;
  }

  .terminal-bar {
    padding: 0.62rem 0.75rem !important;
  }

  .terminal-bar span {
    max-width: 68% !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    white-space: nowrap !important;
  }

  .credential-modal {
    align-items: flex-start !important;
    padding: 0.85rem !important;
    padding-top: max(0.85rem, env(safe-area-inset-top)) !important;
    overflow-y: auto !important;
  }

  .credential-dialog {
    width: 100% !important;
    padding: 1.25rem !important;
    border-radius: 14px !important;
  }

  .credential-close {
    top: 0.75rem !important;
    right: 0.75rem !important;
  }

  .credential-console {
    font-size: 0.66rem !important;
    overflow-x: auto !important;
  }

  .credential-actions .btn {
    width: 100% !important;
    text-align: center !important;
  }

  footer {
    padding: 1.5rem 1rem 5rem !important;
    line-height: 1.7 !important;
    overflow-wrap: anywhere !important;
  }
}

@media (max-width: 380px) {
  .nav-links a {
    font-size: 0.58rem !important;
    padding-left: 0.44rem !important;
    padding-right: 0.44rem !important;
  }

  .hero-name {
    font-size: 2.28rem !important;
  }

  .hero-visual {
    min-height: 280px !important;
  }

  .portrait-card {
    width: min(76vw, 230px) !important;
  }

  .portrait-orbit {
    width: min(86vw, 270px) !important;
  }

  .skills-grid.marquee-track .skill-cat,
  .certs-grid.marquee-track .cert-card {
    flex-basis: min(224px, 84vw) !important;
    width: min(224px, 84vw) !important;
  }
}