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

  :root {
    --teal:       #5dcaa5;
    --teal-dark:  #1d9e75;
    --blue:       #378add;
    --mint:       #e1f5ee;
    --forest:     #0d2a22;
    --navy:       #0d1f2d;
    --white:      #ffffff;
    --text-muted: rgba(225,245,238,0.55);
  }

  html { scroll-behavior: smooth; }

  body {
    font-family: 'Inter', sans-serif;
    background: var(--navy);
    color: var(--mint);
    line-height: 1.6;
    font-weight: 300;
  }

  /* ── 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 6vw;
    background: rgba(13,31,45,0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(93,202,165,0.12);
  }
  .nav-logo {
    font-family: 'Syne', sans-serif;
    font-weight: 800; font-size: 1.35rem;
    color: var(--teal);
    letter-spacing: -0.02em;
    text-decoration: none;
  }
  .nav-links { display: flex; gap: 2.2rem; list-style: none; }
  .nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    transition: color 0.2s;
  }
  .nav-links a:hover { color: var(--teal); }

  /* ── HERO ── */
  .hero {
    min-height: 100vh;
    display: flex; flex-direction: column;
    justify-content: center; align-items: flex-start;
    padding: 10rem 6vw 6rem;
    position: relative; overflow: hidden;
  }
  .hero::before {
    content: '';
    position: absolute; inset: 0;
    background:
      radial-gradient(ellipse 60% 70% at 80% 40%, rgba(55,138,221,0.12) 0%, transparent 70%),
      radial-gradient(ellipse 40% 50% at 20% 70%, rgba(29,158,117,0.15) 0%, transparent 60%);
    pointer-events: none;
  }
  .hero-eyebrow {
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--teal);
    margin-bottom: 1.4rem;
    display: flex; align-items: center; gap: 0.7rem;
  }
  .hero-eyebrow::before {
    content: '';
    display: block; width: 2rem; height: 1px;
    background: var(--teal);
  }
  .hero h1 {
    font-family: 'Syne', sans-serif;
    font-size: clamp(3rem, 8vw, 7rem);
    font-weight: 800;
    line-height: 0.95;
    letter-spacing: -0.03em;
    color: var(--white);
    margin-bottom: 1.2rem;
    max-width: 14ch;
  }
  .hero h1 span { color: var(--teal); }
  .hero-slogan {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-muted);
    font-weight: 300;
    font-style: italic;
    margin-bottom: 2.8rem;
    letter-spacing: 0.02em;
  }
  .hero-cta {
    display: inline-flex; align-items: center; gap: 0.6rem;
    background: var(--teal-dark);
    color: var(--white);
    text-decoration: none;
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.04em;
    padding: 0.9rem 2rem;
    border-radius: 2px;
    transition: background 0.2s, transform 0.2s;
  }
  .hero-cta:hover { background: var(--teal); transform: translateY(-2px); }
  .hero-cta svg { width: 16px; height: 16px; }

  /* ── STATS BAR ── */
  .stats {
    background: var(--forest);
    border-top: 1px solid rgba(93,202,165,0.1);
    border-bottom: 1px solid rgba(93,202,165,0.1);
    padding: 2.5rem 6vw;
    display: flex; gap: 4rem; flex-wrap: wrap;
  }
  .stat-item { display: flex; flex-direction: column; gap: 0.2rem; }
  .stat-num {
    font-family: 'Syne', sans-serif;
    font-size: 2rem; font-weight: 800;
    color: var(--teal);
  }
  .stat-label {
    font-size: 0.78rem; font-weight: 500;
    letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--text-muted);
  }

  /* ── SECTIONS ── */
  section { padding: 6rem 6vw; }
  .section-eyebrow {
    font-size: 0.75rem; font-weight: 500;
    letter-spacing: 0.18em; text-transform: uppercase;
    color: var(--teal); margin-bottom: 0.8rem;
  }
  .section-title {
    font-family: 'Syne', sans-serif;
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 800; letter-spacing: -0.02em;
    color: var(--white);
    margin-bottom: 1rem; max-width: 20ch;
  }
  .section-sub {
    color: var(--text-muted); font-size: 1rem;
    max-width: 52ch; margin-bottom: 3.5rem; line-height: 1.7;
  }

  /* ── ABOUT ── */
  .about { background: var(--forest); }
  .about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem; align-items: center;
  }
  .about-pills { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 2rem; }
  .pill {
    background: rgba(93,202,165,0.1);
    border: 1px solid rgba(93,202,165,0.25);
    color: var(--teal);
    font-size: 0.78rem; font-weight: 500;
    letter-spacing: 0.08em; text-transform: uppercase;
    padding: 0.4rem 0.9rem; border-radius: 2px;
  }
  .about-visual {
    background: rgba(93,202,165,0.04);
    border: 1px solid rgba(93,202,165,0.12);
    border-radius: 4px; padding: 2.5rem;
    display: flex; flex-direction: column; gap: 1.2rem;
  }
  .compound-row {
    display: flex; justify-content: space-between; align-items: center;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(93,202,165,0.08);
  }
  .compound-row:last-child { border-bottom: none; padding-bottom: 0; }
  .compound-name { font-weight: 500; font-size: 0.95rem; color: var(--white); }
  .compound-meta { font-size: 0.78rem; color: var(--text-muted); margin-top: 0.15rem; }
  .compound-badge {
    font-size: 0.72rem; font-weight: 500;
    letter-spacing: 0.06em; text-transform: uppercase;
    padding: 0.25rem 0.6rem; border-radius: 2px;
  }
  .badge-green { background: rgba(93,202,165,0.15); color: var(--teal); }
  .badge-blue  { background: rgba(55,138,221,0.15);  color: var(--blue); }

  /* ── BLOG ── */
  .blog { background: var(--navy); }
  .blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
  }
  .blog-card {
    background: rgba(225,245,238,0.03);
    border: 1px solid rgba(93,202,165,0.1);
    border-radius: 4px; overflow: hidden;
    transition: border-color 0.2s, transform 0.2s;
    cursor: pointer;
  }
  .blog-card:hover {
    border-color: rgba(93,202,165,0.35);
    transform: translateY(-3px);
  }
  .blog-card-img {
    height: 180px;
    display: flex; align-items: center; justify-content: center;
    font-size: 3rem;
    position: relative; overflow: hidden;
  }
  .blog-card-img.c1 { background: linear-gradient(135deg, rgba(29,158,117,0.3), rgba(13,31,45,0.8)); }
  .blog-card-img.c2 { background: linear-gradient(135deg, rgba(55,138,221,0.3), rgba(13,31,45,0.8)); }
  .blog-card-img.c3 { background: linear-gradient(135deg, rgba(93,202,165,0.2), rgba(13,42,34,0.8)); }
  .blog-card-body { padding: 1.5rem; }
  .blog-tag {
    font-size: 0.7rem; font-weight: 500;
    letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--teal); margin-bottom: 0.6rem;
  }
  .blog-card-title {
    font-family: 'Syne', sans-serif;
    font-size: 1.1rem; font-weight: 700;
    color: var(--white); margin-bottom: 0.6rem;
    line-height: 1.3;
  }
  .blog-card-excerpt {
    font-size: 0.85rem; color: var(--text-muted);
    line-height: 1.65; margin-bottom: 1.2rem;
  }
  .blog-card-meta {
    display: flex; justify-content: space-between;
    font-size: 0.75rem; color: var(--text-muted);
    border-top: 1px solid rgba(93,202,165,0.08);
    padding-top: 1rem;
  }
  .read-more {
    color: var(--teal); font-weight: 500;
    text-decoration: none; font-size: 0.82rem;
    letter-spacing: 0.04em;
  }

  /* ── SUBMIT BLOG ── */
  .submit { background: var(--forest); }
  .submit-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 5rem; align-items: start;
  }
  .submit-info p {
    color: var(--text-muted); font-size: 0.95rem;
    line-height: 1.75; margin-bottom: 1.5rem;
  }
  .submit-rules { list-style: none; display: flex; flex-direction: column; gap: 0.7rem; }
  .submit-rules li {
    display: flex; align-items: flex-start; gap: 0.7rem;
    font-size: 0.85rem; color: var(--text-muted);
  }
  .submit-rules li::before {
    content: '→';
    color: var(--teal); flex-shrink: 0; margin-top: 0.05rem;
  }
  .form-card {
    background: rgba(93,202,165,0.04);
    border: 1px solid rgba(93,202,165,0.12);
    border-radius: 4px; padding: 2.5rem;
  }
  .form-group { display: flex; flex-direction: column; gap: 0.45rem; margin-bottom: 1.3rem; }
  .form-group label {
    font-size: 0.75rem; font-weight: 500;
    letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--teal);
  }
  .form-group input,
  .form-group textarea,
  .form-group select {
    background: rgba(13,31,45,0.7);
    border: 1px solid rgba(93,202,165,0.18);
    color: var(--mint);
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem; font-weight: 300;
    padding: 0.75rem 1rem;
    border-radius: 2px;
    outline: none;
    transition: border-color 0.2s;
    width: 100%;
  }
  .form-group input:focus,
  .form-group textarea:focus,
  .form-group select:focus {
    border-color: var(--teal);
  }
  .form-group textarea { resize: vertical; min-height: 140px; }
  .form-group select option { background: var(--navy); }
  .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
  .btn-submit {
    width: 100%;
    background: var(--teal-dark);
    color: var(--white);
    border: none; cursor: pointer;
    font-family: 'Syne', sans-serif;
    font-weight: 700; font-size: 0.9rem;
    letter-spacing: 0.06em; text-transform: uppercase;
    padding: 1rem;
    border-radius: 2px;
    transition: background 0.2s, transform 0.15s;
    margin-top: 0.5rem;
  }
  .btn-submit:hover { background: var(--teal); transform: translateY(-1px); }
  .form-note {
    font-size: 0.75rem; color: var(--text-muted);
    text-align: center; margin-top: 1rem; line-height: 1.6;
  }

  /* ── SUCCESS MESSAGE ── */
  .success-msg {
    display: none;
    background: rgba(93,202,165,0.1);
    border: 1px solid rgba(93,202,165,0.3);
    border-radius: 4px; padding: 1.5rem;
    text-align: center; margin-top: 1rem;
  }
  .success-msg.show { display: block; }
  .success-msg p { color: var(--teal); font-weight: 500; }

  /* ── FOOTER ── */
  footer {
    background: var(--forest);
    border-top: 1px solid rgba(93,202,165,0.1);
    padding: 3rem 6vw;
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap; gap: 1.5rem;
  }
  .footer-logo {
    font-family: 'Syne', sans-serif;
    font-weight: 800; font-size: 1.1rem;
    color: var(--teal); letter-spacing: -0.02em;
  }
  .footer-slogan {
    font-size: 0.8rem; color: var(--text-muted);
    font-style: italic; margin-top: 0.2rem;
  }
  .footer-links { display: flex; gap: 2rem; flex-wrap: wrap; }
  .footer-links a {
    font-size: 0.8rem; color: var(--text-muted);
    text-decoration: none; transition: color 0.2s;
  }
  .footer-links a:hover { color: var(--teal); }
  .footer-copy {
    font-size: 0.75rem; color: var(--text-muted);
    width: 100%; border-top: 1px solid rgba(93,202,165,0.08);
    padding-top: 1.5rem; margin-top: 0.5rem;
  }

  /* ── RESPONSIVE ── */
  @media (max-width: 768px) {
    .about-grid, .submit-grid { grid-template-columns: 1fr; gap: 2.5rem; }
    .stats { gap: 2rem; }
    .form-row { grid-template-columns: 1fr; }
    nav { padding: 1rem 4vw; }
    .nav-links { gap: 1.2rem; }
    section { padding: 4rem 4vw; }
    footer { flex-direction: column; align-items: flex-start; }
  }