:root {
    --black: #111111;
    --dark: #1a1a1a;
    --charcoal: #2d2d2d;
    --gray-dark: #4a4a4a;
    --gray: #6b6b6b;
    --gray-mid: #999999;
    --gray-light: #c0c0c0;
    --silver: #d8d8d8;
    --off-white: #e8e8e8;
    --light: #f0f0f0;
    --bg: #ebebeb;
    --white: #ffffff;
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'DM Sans', -apple-system, sans-serif;
    --font-mono: 'Space Mono', monospace;
    --nav-height: 72px;
    --section-padding: 120px;
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; font-size: 16px; }
  body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--black);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
  }
  ::selection { background: var(--charcoal); color: var(--white); }

  /* NAV */
  nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 48px;
    z-index: 1000;
    background: rgba(235,235,235,0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0,0,0,0.06);
    transition: all 0.4s ease;
  }
  nav.scrolled {
    background: rgba(235,235,235,0.95);
    box-shadow: 0 1px 30px rgba(0,0,0,0.06);
  }
  .nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--black);
  }
  .nav-logo-dot {
    width: 22px; height: 22px;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 35%, #888, #222);
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
  }
  .nav-logo-text {
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 15px;
    letter-spacing: 0.5px;
  }
  .nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
    list-style: none;
  }
  .nav-links a {
    text-decoration: none;
    color: var(--gray-dark);
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 0.5px;
    position: relative;
    transition: color 0.3s ease;
  }
  .nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px; left: 0;
    width: 0; height: 1.5px;
    background: var(--black);
    transition: width 0.3s ease;
  }
  .nav-links a:hover { color: var(--black); }
  .nav-links a:hover::after { width: 100%; }
  .nav-links a.active { color: var(--black); font-weight: 500; }
  .mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    background: none;
    border: none;
  }
  .mobile-toggle span {
    width: 24px; height: 2px;
    background: var(--black);
    transition: 0.3s;
    display: block;
  }
  .nav-links.show {
    display: flex !important;
    position: fixed;
    top: var(--nav-height);
    left: 0; right: 0;
    flex-direction: column;
    background: rgba(235,235,235,0.98);
    backdrop-filter: blur(20px);
    padding: 32px;
    gap: 24px;
    border-bottom: 1px solid rgba(0,0,0,0.08);
  }

  /* SHARED */
  .section-header { text-align: center; margin-bottom: 80px; }
  .section-label {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--gray-mid);
    margin-bottom: 16px;
  }
  .section-title {
    font-family: var(--font-display);
    font-size: clamp(32px, 4vw, 52px);
    font-weight: 500;
    line-height: 1.2;
    margin-bottom: 20px;
  }
  .section-desc {
    font-size: 16px;
    color: var(--gray-mid);
    font-weight: 300;
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
  }
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 36px;
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.5px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.35s ease;
    text-decoration: none;
    min-width: 160px;
  }
  .btn-outline {
    border: 1.5px solid var(--gray-light);
    background: transparent;
    color: var(--charcoal);
  }
  .btn-outline:hover {
    border-color: var(--black);
    color: var(--black);
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  }
  .btn-filled {
    border: 1.5px solid var(--black);
    background: var(--black);
    color: var(--white);
  }
  .btn-filled:hover {
    background: var(--charcoal);
    box-shadow: 0 6px 24px rgba(0,0,0,0.2);
    transform: translateY(-1px);
  }

  /* PAGE HERO */
  .page-hero {
    padding: calc(var(--nav-height) + 80px) 48px 80px;
    text-align: center;
    background: linear-gradient(180deg, #e0e0e0 0%, var(--bg) 100%);
  }
  .page-hero h1 {
    font-family: var(--font-display);
    font-size: clamp(36px, 5vw, 60px);
    font-weight: 500;
    color: var(--black);
    line-height: 1.15;
    margin-bottom: 20px;
  }
  .page-hero p {
    font-size: 18px;
    color: var(--gray);
    font-weight: 300;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
  }

  /* CONTENT SECTIONS */
  .content-section {
    padding: var(--section-padding) 48px;
  }
  .content-section.alt { background: var(--white); }
  .content-section.dark { background: var(--dark); color: var(--white); }
  .content-section.dark .section-title { color: var(--white); }
  .content-section.dark .section-desc { color: var(--gray-mid); }
  .content-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 60px;
    max-width: 1100px;
    margin: 0 auto;
    align-items: center;
  }
  .content-grid.three-col {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    align-items: stretch; /* override parent .content-grid's center so cards match the tallest row height */
  }
  .content-card {
    background: rgba(255,255,255,0.6);
    border: 1px solid rgba(0,0,0,0.06);
    border-radius: 8px;
    padding: 48px 36px;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
  }
  .content-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.08);
  }
  .content-card h3 {
    font-family: var(--font-body);
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 14px;
  }
  .content-card p {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.7;
    font-weight: 300;
  }
  .placeholder-block {
    border: 2px dashed var(--gray-light);
    border-radius: 8px;
    padding: 60px 40px;
    text-align: center;
    color: var(--gray-mid);
    font-size: 14px;
    font-style: italic;
    max-width: 800px;
    margin: 40px auto;
  }
  .placeholder-block.dark {
    border-color: rgba(255,255,255,0.15);
    color: var(--gray);
  }

  /* CONTACT FORM */
  .contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    max-width: 1100px;
    margin: 0 auto;
  }
  .contact-details {
    margin-top: 48px;
    display: flex;
    flex-direction: column;
    gap: 20px;
  }
  .contact-item {
    font-size: 14px;
    color: var(--gray-mid);
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .contact-item span { color: var(--gray-light); }
  .contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
  }
  .form-group input,
  .form-group textarea {
    width: 100%;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 6px;
    padding: 16px 20px;
    color: var(--white);
    font-family: var(--font-body);
    font-size: 14px;
    transition: all 0.3s ease;
    outline: none;
  }
  .form-group input::placeholder,
  .form-group textarea::placeholder { color: var(--gray); }
  .form-group input:focus,
  .form-group textarea:focus {
    border-color: rgba(255,255,255,0.3);
    background: rgba(255,255,255,0.08);
  }
  .form-group textarea { min-height: 120px; resize: vertical; }
  .btn-submit {
    background: var(--white);
    color: var(--black);
    border: none;
    padding: 16px 40px;
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.35s ease;
    align-self: flex-start;
  }
  .btn-submit:hover {
    box-shadow: 0 8px 30px rgba(255,255,255,0.15);
    transform: translateY(-2px);
  }

  /* FOOTER */
  footer {
    background: var(--black);
    color: var(--gray);
    padding: 48px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(255,255,255,0.06);
  }
  .footer-left {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
  }
  .footer-links { display: flex; gap: 32px; }
  .footer-links a {
    color: var(--gray);
    text-decoration: none;
    font-size: 13px;
    transition: color 0.3s;
  }
  .footer-links a:hover { color: var(--white); }
  .footer-legal {
    background: var(--black);
    color: var(--gray-mid);
    font-size: 11px;
    line-height: 1.6;
    padding: 14px 48px 20px;
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.06);
  }

  /* ANIMATIONS */
  @keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }

  /* RESPONSIVE */
  @media (max-width: 900px) {
    nav { padding: 0 24px; }
    .nav-links { display: none; }
    .mobile-toggle { display: flex; }
    .content-grid { grid-template-columns: 1fr; gap: 40px; }
    .content-grid.three-col { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; gap: 48px; }
    footer { flex-direction: column; gap: 20px; text-align: center; }
  }
  @media (max-width: 600px) {
    :root { --section-padding: 80px; }
    .page-hero { padding: calc(var(--nav-height) + 48px) 24px 48px; }
    .content-section { padding: 80px 24px; }
  }