:root {
    --abyss: #070B14;
    --deep-slate: #0D1320;
    --obsidian: #121929;
    --cyan-pulse: #00B4D8;
    --cyan-dim: rgba(0,180,216,0.15);
    --cyan-border: rgba(0,180,216,0.25);
    --sky-light: #7DD3FC;
    --emerald: #10B981;
    --emerald-hover: #34D399;
    --frost: #EDF2F7;
    --ash: #8B95A8;
    --wire: #1C2538;
  }

  *, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration:0.01ms!important; transition-duration:0.01ms!important; }
  }

  html { scroll-behavior:smooth; font-size:16px; }
  body {
    background: var(--abyss);
    color: var(--frost);
    font-family: 'Inter', system-ui, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
  }

  /* ---- UTILITY ---- */
  .eyebrow {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--cyan-pulse);
    margin-bottom: 1rem;
  }
  .wrap { max-width:1200px; margin:0 auto; padding:0 2rem; }
  section { padding: 7rem 0; }
  .alt-bg { background: var(--deep-slate); border-top:1px solid var(--wire); border-bottom:1px solid var(--wire); }
  h2.sec-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
  }
  .sec-subtitle {
    color: var(--ash);
    font-size: 1.05rem;
    max-width: 600px;
    line-height: 1.7;
    margin-bottom: 3rem;
  }

  /* ---- NAV ---- */
  nav {
    position: fixed; top:0; left:0; right:0; z-index:100;
    padding: 1.2rem 2rem;
    display: flex; align-items:center; justify-content:space-between;
    background: rgba(7,11,20,0.82);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--wire);
  }
  .nav-logo {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700; font-size: 1.25rem;
    color: var(--frost); text-decoration:none;
    display:flex; align-items:center; gap:0.6rem;
  }
  .nav-logo .mark {
    display:inline-flex; align-items:center; justify-content:center;
    width:34px; height:34px;
    background: linear-gradient(135deg, var(--cyan-pulse), var(--sky-light));
    border-radius: 7px;
  }
  .nav-logo .mark svg { width:20px; height:20px; }
  .nav-links { display:flex; gap:2.2rem; align-items:center; }
  .nav-links a {
    font-size:0.875rem; font-weight:500; color:var(--ash);
    text-decoration:none; transition:color 0.2s;
  }
  .nav-links a:hover, .nav-links a:focus-visible { color:var(--frost); outline:none; }

  .btn {
    font-family:'Inter',sans-serif; font-size:0.85rem; font-weight:600;
    padding:0.6rem 1.4rem; border-radius:6px; border:none; cursor:pointer;
    text-decoration:none; transition:all 0.2s; display:inline-block;
  }
  .btn--primary { background:var(--emerald); color:#fff; }
  .btn--primary:hover { background:var(--emerald-hover); transform:translateY(-1px); }
  .btn--ghost { background:transparent; color:var(--frost); border:1px solid var(--wire); }
  .btn--ghost:hover { border-color:var(--ash); }

  /* nav-specific overrides */
  .nav-links .btn--primary { color:#fff !important; }
  .nav-links .btn--ghost { color:var(--frost) !important; }

  /* ---- HERO ---- */
  .hero {
    min-height:100vh; display:flex; align-items:center;
    padding-top:5rem; position:relative; overflow:hidden;
  }
  .hero-inner {
    display:grid; grid-template-columns:1fr 1fr; gap:4rem; align-items:center;
    max-width:1200px; margin:0 auto; padding:0 2rem; width:100%;
  }
  .hero h1 {
    font-family:'Space Grotesk',sans-serif;
    font-size:clamp(2.6rem,5vw,4.2rem);
    font-weight:700; line-height:1.08; letter-spacing:-0.03em;
    margin-bottom:1.5rem;
  }
  .hero h1 .accent {
    background:linear-gradient(135deg, var(--cyan-pulse), var(--sky-light));
    -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text;
  }
  .hero-sub {
    font-size:1.1rem; color:var(--ash); max-width:460px; margin-bottom:2.5rem; line-height:1.7;
  }
  .hero-ctas { display:flex; gap:1rem; flex-wrap:wrap; }
  .hero-ctas .btn { padding:0.75rem 1.8rem; font-size:0.9rem; }
  .word-cloud-wrap { position:relative; width:100%; aspect-ratio:1; max-width:520px; justify-self:center; }
  .word-cloud-wrap canvas { width:100%; height:100%; }

  /* ---- CHALLENGE GRID ---- */
  .challenge-grid {
    display:grid; grid-template-columns:repeat(auto-fit, minmax(260px, 1fr));
    gap:1.25rem; margin-top:0.5rem;
  }
  .challenge-card {
    padding:1.5rem 1.4rem; border:1px solid var(--wire); border-radius:8px;
    background:var(--obsidian); transition: border-color 0.3s;
  }
  .challenge-card:hover { border-color: var(--cyan-border); }
  .challenge-card h4 {
    font-family:'Space Grotesk',sans-serif; font-size:0.95rem; font-weight:600;
    margin-bottom:0.35rem;
  }
  .challenge-card p { color:var(--ash); font-size:0.85rem; line-height:1.65; }

  /* ---- TECHNIQUES ---- */
  .tech-list {
    display:flex; flex-wrap:wrap; gap:0.75rem; margin-top:2.5rem; margin-bottom:3rem;
  }
  .tech-tag {
    font-family:'JetBrains Mono',monospace; font-size:0.75rem; font-weight:500;
    padding:0.5rem 1rem; border:1px solid var(--cyan-border); border-radius:20px;
    color:var(--cyan-pulse); background:var(--cyan-dim);
    transition:all 0.3s;
  }
  .tech-tag:hover { background:rgba(0,180,216,0.25); border-color:var(--cyan-pulse); }

  .quote-block {
    border-left:3px solid var(--cyan-pulse); padding:1.2rem 0 1.2rem 1.5rem;
    max-width:650px;
  }
  .quote-block p {
    font-family:'Space Grotesk',sans-serif;
    font-size:1.1rem; font-weight:500; font-style:italic; line-height:1.5;
    color:var(--frost);
  }
  .quote-block cite {
    display:block; margin-top:0.5rem; font-style:normal;
    font-family:'Inter',sans-serif; font-size:0.8rem; color:var(--ash);
  }

  /* ---- VALUE PROPS ---- */
  .value-grid {
    display:grid; grid-template-columns:repeat(2, 1fr); gap:1.5rem;
  }
  .value-card {
    padding:2rem; border:1px solid var(--wire); border-radius:10px;
    background:var(--obsidian); transition:border-color 0.3s;
    display:flex; gap:1.1rem; align-items:flex-start;
  }
  .value-card:hover { border-color:var(--cyan-border); }
  .value-dot {
    flex-shrink:0; width:8px; height:8px; margin-top:0.5rem;
    border-radius:50%; background:var(--cyan-pulse);
    box-shadow:0 0 10px rgba(0,180,216,0.4);
  }
  .value-card h4 {
    font-family:'Space Grotesk',sans-serif; font-size:1rem; font-weight:600; margin-bottom:0.35rem;
  }
  .value-card p { color:var(--ash); font-size:0.875rem; line-height:1.7; }

  /* ---- PROFICIENCIES ---- */
  .prof-grid {
    display:grid; grid-template-columns:repeat(auto-fit, minmax(220px, 1fr));
    gap:1.5rem;
  }
  .prof-card {
    background:var(--obsidian); border:1px solid var(--wire); border-radius:10px;
    padding:2rem 1.5rem; transition:border-color 0.3s, transform 0.3s;
  }
  .prof-card:hover { border-color:var(--cyan-border); transform:translateY(-3px); }
  .prof-card h4 {
    font-family:'Space Grotesk',sans-serif; font-size:1.05rem; font-weight:600;
    margin-bottom:0.75rem; color:var(--frost);
  }
  .prof-card ul { list-style:none; display:flex; flex-direction:column; gap:0.4rem; }
  .prof-card li {
    color:var(--ash); font-size:0.82rem; padding-left:1rem; position:relative; line-height:1.55;
  }
  .prof-card li::before {
    content:'›'; position:absolute; left:0; color:var(--cyan-pulse); font-weight:600;
  }

  /* ---- ABOUT ---- */
  .about-top {
    display:grid; grid-template-columns:1fr 1fr; gap:3rem; margin-bottom:4rem;
  }
  .consortium-block p { color:var(--ash); font-size:0.95rem; line-height:1.75; }
  .founder-block {}
  .founder-block h3 {
    font-family:'Space Grotesk',sans-serif; font-size:1.15rem; font-weight:600;
    margin-bottom:0.25rem;
  }
  .founder-block .linkedin-link {
    font-size:0.8rem; color:var(--cyan-pulse); text-decoration:none; display:inline-block;
    margin-bottom:1rem;
  }
  .founder-block .linkedin-link:hover { text-decoration:underline; }
  .founder-block p { color:var(--ash); font-size:0.875rem; line-height:1.75; }

  .verticals-label {
    font-family:'JetBrains Mono',monospace; font-size:0.7rem; font-weight:500;
    letter-spacing:0.15em; text-transform:uppercase; color:var(--ash); margin-bottom:1rem;
  }
  .verticals-grid {
    display:flex; flex-wrap:wrap; gap:0.6rem;
  }
  .vertical-tag {
    font-size:0.78rem; font-weight:500; padding:0.4rem 0.9rem;
    border:1px solid var(--wire); border-radius:5px; color:var(--ash);
    transition:all 0.2s;
  }
  .vertical-tag:hover { border-color:var(--cyan-border); color:var(--frost); }

  /* ---- CTA SECTION ---- */
  .cta-section { text-align:center; padding:8rem 0; position:relative; }
  .cta-section::before {
    content:''; position:absolute; top:0; left:50%; transform:translateX(-50%);
    width:400px; height:400px;
    background:radial-gradient(circle, rgba(0,180,216,0.07) 0%, transparent 70%);
    pointer-events:none;
  }
  .cta-section h2 {
    font-family:'Space Grotesk',sans-serif;
    font-size:clamp(1.8rem,3.5vw,2.8rem); font-weight:700;
    margin-bottom:1rem; letter-spacing:-0.02em;
  }
  .cta-section p {
    color:var(--ash); max-width:500px; margin:0 auto 2.5rem; font-size:1.05rem; line-height:1.7;
  }
  .cta-buttons { display:flex; gap:1rem; justify-content:center; flex-wrap:wrap; }
  .cta-buttons .btn { padding:0.85rem 2rem; font-size:0.95rem; }

  /* ---- FOOTER ---- */
  footer {
    border-top:1px solid var(--wire); padding:2.5rem 2rem; text-align:center;
  }
  footer p {
    font-size:0.78rem; color:var(--ash); font-family:'JetBrains Mono',monospace;
  }

  /* ---- SCROLL REVEAL ---- */
  .reveal { opacity:0; transform:translateY(28px); transition:opacity 0.7s ease, transform 0.7s ease; }
  .reveal.visible { opacity:1; transform:translateY(0); }

  /* ---- RESPONSIVE ---- */
  @media (max-width:900px) {
    .hero-inner { grid-template-columns:1fr; text-align:center; }
    .hero-sub { margin-left:auto; margin-right:auto; }
    .hero-ctas { justify-content:center; }
    .word-cloud-wrap { max-width:360px; margin:0 auto; }
    .value-grid { grid-template-columns:1fr; }
    .about-top { grid-template-columns:1fr; }
    .nav-links a:not(.btn) { display:none; }
  }
  @media (max-width:600px) {
    section { padding:4.5rem 0; }
    .wrap { padding:0 1.25rem; }
  }