:root {
    --ink: #1a1814;
    --bone: #25211c;
    --paper: #f5f0e6;
    --paper-90: rgba(245, 240, 230, 0.92);
    --paper-70: rgba(245, 240, 230, 0.7);
    --paper-50: rgba(245, 240, 230, 0.5);
    --paper-30: rgba(245, 240, 230, 0.3);
    --line: rgba(245, 240, 230, 0.08);
    --line-strong: rgba(245, 240, 230, 0.18);
    /* Accent — synamo brand orange | alternatives: #97C459 warm lime | #34d399 emerald */
    --coral: #d9542b;
    --coral-90: rgba(217, 84, 43, 0.92);
    --coral-soft: rgba(217, 84, 43, 0.12);
    --font-display: 'Bricolage Grotesque', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter Tight', -apple-system, sans-serif;
    --font-italic: 'Instrument Serif', Georgia, serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;
  }

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

  html, body { overflow-x: hidden; }

  body {
    background: var(--ink);
    color: var(--paper);
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  a { color: inherit; text-decoration: none; }
  button { font-family: inherit; cursor: pointer; }

  /* ===== Utility ===== */
  .container { max-width: 1280px; margin: 0 auto; padding: 0 32px; }
  @media (min-width: 768px) { .container { padding: 0 56px; } }

  .kicker {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.18em;
    color: var(--coral);
    text-transform: lowercase;
    display: inline-flex;
    align-items: center;
    gap: 10px;
  }
  .kicker::before {
    content: "";
    width: 24px;
    height: 1px;
    background: var(--coral);
  }

  .reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.9s ease-out, transform 0.9s ease-out; }
  .reveal.in { opacity: 1; transform: none; }

  /* ===== Nav ===== */
  nav.top {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 50;
    padding: 22px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: background 0.3s ease, border-color 0.3s ease, padding 0.3s ease;
    border-bottom: 1px solid transparent;
  }
  @media (min-width: 768px) { nav.top { padding: 22px 56px; } }
  nav.top.scrolled {
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom-color: var(--line);
    padding-top: 16px;
    padding-bottom: 16px;
  }

  .brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 20px;
    letter-spacing: -0.02em;
  }
  .brand-mark {
    width: 22px;
    height: 22px;
    position: relative;
    flex-shrink: 0;
  }
  .brand-mark::before, .brand-mark::after {
    content: "";
    position: absolute;
    width: 14px; height: 14px;
    border-radius: 2px;
  }
  .brand-mark::before { left: 0; top: 0; background: var(--paper); }
  .brand-mark::after { right: 0; bottom: 0; border: 1.5px solid var(--coral); background: transparent; }

  .nav-links {
    display: none;
    align-items: center;
    gap: 36px;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.05em;
    color: var(--paper-70);
  }
  @media (min-width: 900px) { .nav-links { display: flex; } }
  .nav-links a { transition: color 0.2s; }
  .nav-links a:hover { color: var(--paper); }
  .nav-links a.cta {
    color: var(--paper);
    border: 1px solid var(--line-strong);
    padding: 9px 18px;
    border-radius: 999px;
    transition: background 0.2s, border-color 0.2s;
  }
  .nav-links a.cta:hover { background: var(--coral); border-color: var(--coral); }

  /* ===== Hero ===== */
  header.hero {
    min-height: 100vh;
    padding: 140px 0 80px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
  }
  .hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 64px;
    align-items: center;
  }
  @media (min-width: 1024px) {
    .hero-grid { grid-template-columns: 1.4fr 1fr; gap: 80px; }
  }

  .hero h1 {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(44px, 7vw, 96px);
    line-height: 0.98;
    letter-spacing: -0.035em;
    margin: 28px 0 36px;
    color: var(--paper);
  }
  .hero h1 em {
    font-family: var(--font-italic);
    font-weight: 400;
    font-style: italic;
    letter-spacing: -0.01em;
    color: var(--coral);
  }
  .hero-sub {
    font-size: clamp(17px, 1.4vw, 21px);
    line-height: 1.5;
    color: var(--paper-70);
    max-width: 560px;
    margin-bottom: 44px;
  }
  .hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; }
  .btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 28px;
    border-radius: 999px;
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 15px;
    transition: transform 0.2s ease, background 0.2s, color 0.2s, border-color 0.2s;
  }
  .btn-primary {
    background: var(--coral);
    color: var(--paper);
  }
  .btn-primary:hover { background: var(--paper); color: var(--ink); }
  .btn-ghost {
    background: transparent;
    color: var(--paper);
    border: 1px solid var(--line-strong);
  }
  .btn-ghost:hover { border-color: var(--paper); }
  .btn-arrow { transition: transform 0.2s; }
  .btn:hover .btn-arrow { transform: translateX(3px); }

  /* ===== Hero composition visual ===== */
  .hero-viz {
    width: 100%;
    aspect-ratio: 1 / 0.95;
    position: relative;
  }
  .hero-viz svg { width: 100%; height: 100%; display: block; }

  /* ===== Insight section ===== */
  .insight {
    padding: 140px 0;
    border-top: 1px solid var(--line);
  }
  .insight-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 64px;
  }
  @media (min-width: 900px) {
    .insight-grid { grid-template-columns: 1fr 1fr; gap: 100px; }
  }
  .insight h2 {
    font-family: var(--font-display);
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 500;
    line-height: 1.05;
    letter-spacing: -0.025em;
    margin: 24px 0 32px;
  }
  .insight p {
    font-size: 17px;
    color: var(--paper-70);
    margin-bottom: 20px;
    max-width: 520px;
  }
  .insight-pull {
    border-left: 2px solid var(--coral);
    padding: 4px 0 4px 24px;
    margin-top: 36px;
    font-family: var(--font-italic);
    font-style: italic;
    font-size: 22px;
    line-height: 1.35;
    color: var(--paper);
  }

  /* ===== Registers ===== */
  .registers {
    padding: 140px 0 0;
    border-top: 1px solid var(--line);
  }
  .registers-head {
    margin-bottom: 64px;
  }
  .registers-head h3 {
    font-family: var(--font-display);
    font-size: clamp(32px, 4vw, 52px);
    font-weight: 500;
    line-height: 1.05;
    letter-spacing: -0.025em;
    margin-top: 20px;
    max-width: 720px;
  }
  .registers-head h3 em {
    font-family: var(--font-italic);
    font-style: italic;
    color: var(--coral);
  }
  .registers-grid {
    display: grid;
    grid-template-columns: 1fr;
    border-top: 1px solid var(--line-strong);
  }
  @media (min-width: 700px) { .registers-grid { grid-template-columns: 1fr 1fr; } }
  @media (min-width: 1100px) { .registers-grid { grid-template-columns: repeat(4, 1fr); } }

  .register {
    padding: 48px 36px 56px;
    border-bottom: 1px solid var(--line-strong);
    transition: background 0.3s ease;
    position: relative;
  }
  @media (min-width: 700px) {
    .register:nth-child(2n) { border-left: 1px solid var(--line-strong); }
  }
  @media (min-width: 1100px) {
    .register:nth-child(2n) { border-left: none; }
    .register + .register { border-left: 1px solid var(--line-strong); }
  }
  .register:hover { background: var(--bone); }
  .register-num {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--paper-30);
    margin-bottom: 36px;
    display: block;
  }
  .register h4 {
    font-family: var(--font-display);
    font-size: 26px;
    font-weight: 500;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
    transition: color 0.3s;
  }
  .register:hover h4 { color: var(--coral); }
  .register p {
    font-size: 14px;
    color: var(--paper-70);
    line-height: 1.55;
    margin-bottom: 24px;
  }
  .register ul {
    list-style: none;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--paper-50);
    line-height: 1.9;
    letter-spacing: 0.02em;
  }
  .register ul li::before { content: "/ "; color: var(--paper-30); }

  /* ===== Quote / Visie ===== */
  .visie {
    padding: 160px 0;
    text-align: center;
    border-top: 1px solid var(--line);
  }
  .visie .kicker { justify-content: center; margin-bottom: 40px; }
  .visie blockquote {
    font-family: var(--font-italic);
    font-style: italic;
    font-size: clamp(28px, 4vw, 56px);
    line-height: 1.15;
    letter-spacing: -0.015em;
    max-width: 1000px;
    margin: 0 auto 40px;
  }
  .visie blockquote .accent { color: var(--coral); }
  .visie p {
    font-size: 17px;
    color: var(--paper-70);
    max-width: 640px;
    margin: 0 auto;
  }

  /* ===== Niet / Wel ===== */
  .stance {
    padding: 140px 0;
    border-top: 1px solid var(--line);
  }
  .stance-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 64px;
  }
  @media (min-width: 900px) {
    .stance-grid { grid-template-columns: 1fr 3fr; gap: 80px; }
  }
  .stance-label {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.16em;
    text-transform: lowercase;
    color: var(--paper-50);
    margin-bottom: 32px;
  }
  .stance-niet ul {
    list-style: none;
  }
  .stance-niet li {
    display: flex;
    align-items: baseline;
    gap: 14px;
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
    font-size: 15px;
    color: var(--paper-70);
  }
  .stance-niet li::before {
    content: "—";
    color: var(--coral);
    flex-shrink: 0;
  }

  .stance-wel .stance-label { color: var(--coral); }
  .stance-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
  }
  @media (min-width: 700px) { .stance-cards { grid-template-columns: 1fr 1fr; } }

  .stance-card {
    background: var(--bone);
    padding: 28px 32px 32px;
    border-radius: 4px;
    border-top: 2px solid var(--coral);
    transition: transform 0.3s ease;
  }
  .stance-card:hover { transform: translateY(-3px); }
  .stance-card h4 {
    font-family: var(--font-display);
    font-size: 19px;
    font-weight: 500;
    letter-spacing: -0.015em;
    margin-bottom: 10px;
  }
  .stance-card h4 .slash { color: var(--coral); }
  .stance-card p {
    font-size: 14px;
    color: var(--paper-70);
    line-height: 1.55;
  }

  /* ===== Marquee ===== */
  .marquee {
    overflow: hidden;
    padding: 28px 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    white-space: nowrap;
  }
  .marquee-inner {
    display: inline-flex;
    animation: marquee 40s linear infinite;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.2em;
    color: var(--paper-50);
    text-transform: lowercase;
  }
  .marquee-inner span { padding: 0 36px; }
  .marquee-inner span::before { content: "/ "; color: var(--coral); padding-right: 8px; }
  @keyframes marquee {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
  }

  /* ===== Footer / Contact ===== */
  footer.contact {
    padding: 160px 0 56px;
    background: var(--ink);
  }
  .contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 64px;
    margin-bottom: 96px;
  }
  @media (min-width: 900px) {
    .contact-grid { grid-template-columns: 1.1fr 1fr; gap: 80px; }
  }
  .contact h2 {
    font-family: var(--font-display);
    font-size: clamp(40px, 6.5vw, 88px);
    font-weight: 500;
    line-height: 0.98;
    letter-spacing: -0.035em;
    margin-bottom: 36px;
  }
  .contact h2 em {
    font-family: var(--font-italic);
    font-style: italic;
    color: var(--coral);
  }
  .contact-lead {
    font-size: 18px;
    color: var(--paper-70);
    max-width: 480px;
    margin-bottom: 40px;
  }
  .contact-meta {
    display: flex;
    flex-direction: column;
    gap: 14px;
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--paper-70);
  }
  .contact-meta a { color: var(--coral); transition: opacity 0.2s; }
  .contact-meta a:hover { opacity: 0.7; }
  .contact-meta-row {
    display: flex;
    align-items: flex-start;
    gap: 12px;
  }
  .contact-meta-row svg { flex-shrink: 0; margin-top: 2px; opacity: 0.5; }

  .contact-form {
    display: grid;
    gap: 14px;
  }
  .contact-form .row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
  }
  @media (min-width: 600px) { .contact-form .row { grid-template-columns: 1fr 1fr; } }
  .contact-form input,
  .contact-form textarea {
    background: transparent;
    border: 1px solid var(--line-strong);
    color: var(--paper);
    font-family: var(--font-body);
    font-size: 15px;
    padding: 16px 18px;
    border-radius: 4px;
    width: 100%;
    transition: border-color 0.2s;
    resize: vertical;
  }
  .contact-form input::placeholder,
  .contact-form textarea::placeholder { color: var(--paper-50); }
  .contact-form input:focus,
  .contact-form textarea:focus { outline: none; border-color: var(--coral); }
  .contact-form button {
    background: var(--coral);
    color: var(--paper);
    border: none;
    padding: 18px 24px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.16em;
    text-transform: lowercase;
    margin-top: 6px;
    transition: background 0.2s;
  }
  .contact-form button:hover { background: var(--paper); color: var(--ink); }

  .footer-base {
    padding-top: 32px;
    border-top: 1px solid var(--line);
    display: flex;
    flex-direction: column;
    gap: 18px;
    align-items: flex-start;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    color: var(--paper-30);
  }
  @media (min-width: 700px) {
    .footer-base { flex-direction: row; align-items: center; }
  }
  .footer-base a { transition: color 0.2s; }
  .footer-base a:hover { color: var(--paper); }
  .footer-base-left {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
  }
  .footer-base-left .sep {
    width: 18px;
    height: 1px;
    background: var(--line-strong);
    display: inline-block;
  }
  .footer-base .holding {
    font-family: var(--font-italic);
    font-style: italic;
    font-size: 13px;
    letter-spacing: 0;
    color: var(--paper-50);
    text-transform: none;
  }
  .footer-base-right {
    display: flex;
    gap: 32px;
  }