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

    :root {
      --deep-teal:   #0d4a4a;
      --mid-teal:    #1a6b5e;
      --soft-teal:   #2e9e87;
      --light-teal:  #a8d5cc;
      --sky:         #d4eef5;
      --cream:       #f7f3ec;
      --sand:        #e8dfc8;
      --warm-white:  #fdfaf5;
      --ink:         #1a2a2a;
      --muted:       #4a6060;
      --accent:      #c8783a;
    }

    html { scroll-behavior: smooth; }

    body {
      font-family: 'DM Sans', sans-serif;
      background: var(--warm-white);
      color: var(--ink);
      overflow-x: hidden;
    }

    /* ── 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: rgba(253,250,245,0.92);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--sand);
    }
    .nav-logo {
      display: flex; align-items: center; gap: 0.75rem;
      text-decoration: none; color: var(--deep-teal);
    }
    .nav-logo svg { width: 42px; height: 52px; }
    .nav-wordmark { display: flex; flex-direction: column; line-height: 1.1; }
    .nav-wordmark span:first-child {
      font-family: 'Playfair Display', serif;
      font-size: 1.05rem; font-weight: 700; letter-spacing: 0.02em;
    }
    .nav-wordmark span:last-child {
      font-size: 0.65rem; font-weight: 300; letter-spacing: 0.15em;
      text-transform: uppercase; color: var(--muted);
    }
    .nav-links { display: flex; gap: 2.5rem; list-style: none; }
    .nav-links a {
      text-decoration: none; color: var(--muted); font-size: 0.88rem;
      font-weight: 500; letter-spacing: 0.04em;
      transition: color 0.2s;
    }
    .nav-links a:hover { color: var(--deep-teal); }
    .nav-cta {
      background: var(--deep-teal); color: var(--warm-white) !important;
      padding: 0.5rem 1.3rem; border-radius: 2rem;
      transition: background 0.2s !important;
    }
    .nav-cta:hover { background: var(--mid-teal) !important; color: var(--warm-white) !important; }

    /* ── HERO ── */
    #hero {
      min-height: 100vh;
      display: grid;
      grid-template-columns: 1fr 1fr;
      align-items: center;
      padding: 8rem 5vw 5rem;
      background: var(--warm-white);
      position: relative;
      overflow: visible;
    }
    .hero-bg-shape {
      position: absolute; right: -8vw; top: -10vh;
      width: 60vw; height: 110vh;
      background: radial-gradient(ellipse at 60% 40%, var(--sky) 0%, var(--light-teal) 50%, transparent 80%);
      opacity: 0.45;
      border-radius: 40% 60% 60% 40% / 50% 40% 60% 50%;
      animation: morphBlob 12s ease-in-out infinite;
    }
    @keyframes morphBlob {
      0%, 100% { border-radius: 40% 60% 60% 40% / 50% 40% 60% 50%; }
      33%       { border-radius: 60% 40% 40% 60% / 40% 60% 40% 60%; }
      66%       { border-radius: 50% 50% 60% 40% / 60% 40% 50% 50%; }
    }
    .hero-text { position: relative; z-index: 2; }
    .hero-eyebrow {
      display: inline-flex; align-items: center; gap: 0.5rem;
      font-family: 'DM Mono', monospace;
      font-size: 0.75rem; letter-spacing: 0.12em;
      color: var(--soft-teal); text-transform: uppercase;
      margin-bottom: 1.5rem;
    }
    .hero-eyebrow::before {
      content: ''; width: 2rem; height: 1px; background: var(--soft-teal);
    }
    h1 {
      font-family: 'Playfair Display', serif;
      font-size: clamp(2.8rem, 5vw, 4.5rem);
      font-weight: 900; line-height: 1.08;
      color: var(--deep-teal);
      margin-bottom: 1.5rem;
    }
    h1 em { font-style: italic; color: var(--soft-teal); }
    .hero-tagline {
      font-size: 1.15rem; font-weight: 300; line-height: 1.7;
      color: var(--muted); max-width: 480px;
      margin-bottom: 2.5rem;
    }
    .hero-actions { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }
    .btn-primary {
      background: var(--deep-teal); color: var(--warm-white);
      padding: 0.85rem 2rem; border-radius: 2rem;
      text-decoration: none; font-weight: 500; font-size: 0.92rem;
      letter-spacing: 0.03em;
      transition: background 0.2s, transform 0.2s;
      display: inline-flex; align-items: center; gap: 0.5rem;
    }
    .btn-primary:hover { background: var(--mid-teal); transform: translateY(-1px); }
    .btn-secondary {
      color: var(--deep-teal); font-weight: 500; font-size: 0.92rem;
      text-decoration: none; letter-spacing: 0.03em;
      display: inline-flex; align-items: center; gap: 0.4rem;
      border-bottom: 1px solid var(--light-teal);
      padding-bottom: 2px;
      transition: color 0.2s, border-color 0.2s;
    }
    .btn-secondary:hover { color: var(--soft-teal); border-color: var(--soft-teal); }

    /* Hero illustration */
    .hero-visual {
      display: flex; justify-content: center; align-items: center;
      position: relative; z-index: 2;
      overflow: visible;
    }
    .logo-hero-wrap {
      position: relative;
      display: flex; justify-content: center; align-items: center;
      overflow: visible;
    }
    .logo-ring {
      position: absolute;
      border-radius: 50%;
      border: 1px solid var(--light-teal);
      opacity: 0.5;
      animation: pulse-ring 4s ease-in-out infinite;
    }
    .logo-ring:nth-child(1) { width: 280px; height: 280px; animation-delay: 0s; }
    .logo-ring:nth-child(2) { width: 360px; height: 360px; animation-delay: 0.8s; }
    .logo-ring:nth-child(3) { width: 440px; height: 440px; animation-delay: 1.6s; }
    @keyframes pulse-ring {
      0%, 100% { transform: scale(1); opacity: 0.4; }
      50%       { transform: scale(1.03); opacity: 0.15; }
    }
    .logo-hero-svg {
      width: 200px;
      height: auto;
      display: block;
      overflow: visible;
      filter: drop-shadow(0 8px 24px rgba(13,74,74,0.18));
      animation: floatUp 6s ease-in-out infinite;
    }
    @keyframes floatUp {
      0%, 100% { transform: translateY(0); }
      50%       { transform: translateY(-10px); }
    }

    /* ── SECTION SHARED ── */
    section { padding: 6rem 5vw; }
    .section-label {
      font-family: 'DM Mono', monospace;
      font-size: 0.72rem; letter-spacing: 0.14em;
      text-transform: uppercase; color: var(--soft-teal);
      margin-bottom: 0.75rem;
      display: flex; align-items: center; gap: 0.5rem;
    }
    .section-label::after { content: ''; flex: 0 0 2rem; height: 1px; background: var(--soft-teal); }
    h2 {
      font-family: 'Playfair Display', serif;
      font-size: clamp(2rem, 3.5vw, 3rem);
      font-weight: 700; color: var(--deep-teal);
      line-height: 1.2; margin-bottom: 1.25rem;
    }

    /* ── ABOUT ── */
    #about {
      background: var(--cream);
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 5rem;
      align-items: center;
    }
    .about-text p {
      font-size: 1rem; line-height: 1.8; color: var(--muted);
      margin-bottom: 1.2rem;
    }
    .about-text p strong { color: var(--deep-teal); font-weight: 500; }
    .about-highlights {
      display: flex; flex-direction: column; gap: 1.25rem;
    }
    .highlight-card {
      background: var(--warm-white);
      border: 1px solid var(--sand);
      border-left: 3px solid var(--soft-teal);
      padding: 1.2rem 1.4rem;
      border-radius: 0 0.75rem 0.75rem 0;
      transition: transform 0.2s, box-shadow 0.2s;
    }
    .highlight-card:hover { transform: translateX(4px); box-shadow: 0 4px 20px rgba(13,74,74,0.08); }
    .highlight-card h4 {
      font-family: 'Playfair Display', serif;
      font-size: 0.95rem; font-weight: 700;
      color: var(--deep-teal); margin-bottom: 0.35rem;
    }
    .highlight-card p { font-size: 0.85rem; color: var(--muted); line-height: 1.6; }

    /* ── R&D ── */
    #rnd {
      background: var(--deep-teal);
      color: var(--warm-white);
      position: relative; overflow: hidden;
    }
    #rnd::before {
      content: '';
      position: absolute; top: -20%; right: -10%;
      width: 50vw; height: 80vh;
      background: radial-gradient(ellipse, var(--mid-teal) 0%, transparent 70%);
      opacity: 0.3;
    }
    .rnd-inner { position: relative; z-index: 1; }
    #rnd .section-label { color: var(--light-teal); }
    #rnd .section-label::after { background: var(--light-teal); }
    #rnd h2 { color: var(--warm-white); }
    .rnd-lead {
      font-size: 1.1rem; line-height: 1.75; color: var(--light-teal);
      max-width: 680px; margin-bottom: 3rem;
    }
    .rnd-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.5rem;
      margin-top: 2rem;
    }
    .rnd-card {
      background: rgba(255,255,255,0.06);
      border: 1px solid rgba(168,213,204,0.2);
      border-radius: 1rem;
      padding: 1.75rem;
      transition: background 0.2s, transform 0.2s;
    }
    .rnd-card:hover {
      background: rgba(255,255,255,0.1);
      transform: translateY(-3px);
    }
    .rnd-icon {
      font-family: 'DM Mono', monospace;
      font-size: 1.4rem; color: var(--light-teal);
      margin-bottom: 1rem;
    }
    .rnd-card h4 {
      font-family: 'Playfair Display', serif;
      font-size: 1.05rem; font-weight: 700;
      color: var(--warm-white); margin-bottom: 0.6rem;
    }
    .rnd-card p { font-size: 0.88rem; color: rgba(212,238,245,0.75); line-height: 1.65; }
    .rnd-badge {
      display: inline-flex; align-items: center; gap: 0.4rem;
      font-family: 'DM Mono', monospace;
      font-size: 0.7rem; letter-spacing: 0.1em;
      text-transform: uppercase;
      background: rgba(200,120,58,0.25);
      color: #f0a96a;
      border: 1px solid rgba(200,120,58,0.35);
      padding: 0.3rem 0.75rem;
      border-radius: 2rem;
      margin-bottom: 2rem;
    }
    .rnd-badge::before { content: '●'; font-size: 0.5rem; animation: blink 2s infinite; }
    @keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }

    /* ── CONTACT ── */
    #contact {
      background: var(--warm-white);
      display: flex;
      justify-content: center;
      grid-template-columns: 1fr 1fr;
      gap: 5rem;
      align-items: start;
    }
    .contact-text p {
      font-size: 1rem; line-height: 1.8; color: var(--muted);
      margin-bottom: 2rem;
    }
    .contact-details { display: flex; flex-direction: column; gap: 1rem; }
    .contact-item {
      display: flex; align-items: center; gap: 0.9rem;
      font-size: 0.92rem; color: var(--muted);
    }
    .contact-item-icon {
      width: 36px; height: 36px; border-radius: 50%;
      background: var(--sky);
      display: flex; align-items: center; justify-content: center;
      flex-shrink: 0;
      font-size: 0.9rem;
    }
    .contact-form { display: flex; flex-direction: column; gap: 1.1rem; }
    .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
    .form-group { display: flex; flex-direction: column; gap: 0.4rem; }
    .form-group label {
      font-size: 0.78rem; font-weight: 500; letter-spacing: 0.06em;
      text-transform: uppercase; color: var(--muted);
    }
    .form-group input,
    .form-group textarea,
    .form-group select {
      padding: 0.75rem 1rem;
      border: 1px solid var(--sand);
      border-radius: 0.6rem;
      background: var(--cream);
      font-family: 'DM Sans', sans-serif;
      font-size: 0.92rem; color: var(--ink);
      outline: none;
      transition: border-color 0.2s, box-shadow 0.2s;
    }
    .form-group input:focus,
    .form-group textarea:focus,
    .form-group select:focus {
      border-color: var(--soft-teal);
      box-shadow: 0 0 0 3px rgba(46,158,135,0.12);
    }
    .form-group textarea { resize: vertical; min-height: 120px; }
    .btn-submit {
      background: var(--deep-teal); color: var(--warm-white);
      padding: 0.9rem 2rem; border-radius: 2rem;
      border: none; cursor: pointer;
      font-family: 'DM Sans', sans-serif;
      font-size: 0.92rem; font-weight: 500;
      letter-spacing: 0.03em;
      transition: background 0.2s, transform 0.2s;
      align-self: flex-start;
    }
    .btn-submit:hover { background: var(--mid-teal); transform: translateY(-1px); }

    /* ── FOOTER ── */
    footer {
      background: var(--deep-teal);
      color: rgba(212,238,245,0.6);
      padding: 2.5rem 5vw;
      display: flex; align-items: center; justify-content: space-between;
      flex-wrap: wrap; gap: 1rem;
    }
    .footer-logo {
      display: flex; align-items: center; gap: 0.6rem;
      color: var(--light-teal);
      font-family: 'Playfair Display', serif;
      font-size: 0.95rem; font-weight: 700;
    }
    .footer-logo svg { width: 28px; height: 34px; }
    footer p { font-size: 0.8rem; }
    footer a { color: var(--light-teal); text-decoration: none; font-size: 0.8rem; }
    footer a:hover { color: var(--warm-white); }

    /* ── FADE IN ── */
    .reveal {
      opacity: 0; transform: translateY(24px);
      transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .reveal.visible { opacity: 1; transform: none; }

    /* ── RESPONSIVE ── */
    @media (max-width: 900px) {
      #hero, #about, #contact { grid-template-columns: 1fr; }
      .hero-visual { margin-top: 3rem; }
      .rnd-grid { grid-template-columns: 1fr; }
      .form-row { grid-template-columns: 1fr; }
      .nav-links { display: none; }
    }