/* =============================================================
   Sande Solutions — holding site
   Huisstijl: #3e4c44 (Sande-groen), Inter + Fraunces + JetBrains Mono
   Geïnspireerd op foundershouse.nl — eigen content en kleuren.
   ============================================================= */

:root {
  --dark: #0f0f0e;
  --dark-2: #1a1a18;
  --cream: #f5f2ec;
  --cream-2: #e9e5dc;
  --line: #d8d4c9;
  --brand: #3e4c44;
  --brand-soft: #6b7c6e;
  --brand-light: #a3b1a3;
  --text: #1c1917;
  --muted: #6b6459;
  --on-dark: #e8e4d9;
  --on-dark-muted: #8b8578;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background: var(--cream);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.015em;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ============= NAV ============= */
nav.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  background: transparent;
  transition: background .3s, backdrop-filter .3s, border-color .3s;
  border-bottom: 1px solid transparent;
}
nav.site-nav.scrolled {
  background: rgba(245, 242, 236, 0.85);
  backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--line);
}
nav .nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
nav .brand img { height: 28px; transition: opacity .3s; }
nav .brand .logo-light { display: block; }
nav .brand .logo-dark { display: none; }
nav.scrolled .brand .logo-light { display: none; }
nav.scrolled .brand .logo-dark { display: block; }
nav ul {
  display: flex; list-style: none; gap: 28px;
  font-size: 13px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  letter-spacing: 0.02em;
}
nav ul a { color: rgba(232, 228, 217, 0.75); transition: color .2s; }
nav ul a:hover { color: var(--brand-light); }
nav.scrolled ul a { color: var(--muted); }
nav.scrolled ul a:hover { color: var(--brand); }
nav .cta {
  background: rgba(255,255,255,0.08);
  color: #fff;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid rgba(163, 177, 163, 0.25);
  transition: background .2s, border-color .2s, color .2s;
}
nav .cta:hover { background: rgba(255,255,255,0.15); border-color: var(--brand-light); }
nav.scrolled .cta {
  background: var(--brand); color: #fff; border-color: var(--brand);
}
nav.scrolled .cta:hover { background: #2d372f; }

body { padding-top: 0; }
.hero { padding-top: 192px; }

/* ============= HERO ============= */
.hero {
  background: var(--dark);
  color: var(--on-dark);
  padding: 192px 0 140px;
  position: relative;
  overflow: hidden;
}
.hero .hero-bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.35;
  pointer-events: none;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(15,15,14,0.55) 0%, rgba(15,15,14,0.85) 100%),
    radial-gradient(ellipse at 30% 20%, rgba(107, 124, 110, 0.18), transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(62, 76, 68, 0.25), transparent 55%);
  pointer-events: none;
}
.hero .container { position: relative; }
.hero .pill {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid rgba(163, 177, 163, 0.35);
  color: var(--brand-light);
  padding: 8px 16px;
  border-radius: 999px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 32px;
}
.hero .pill::before {
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--brand-light);
}
.hero h1 {
  font-size: clamp(48px, 7vw, 92px);
  max-width: 14ch;
  margin-bottom: 28px;
  font-weight: 300;
}
.hero h1 em {
  font-style: italic;
  color: var(--brand-light);
  font-weight: 300;
}
.hero p.lead {
  font-size: 18px;
  max-width: 50ch;
  color: var(--on-dark-muted);
  margin-bottom: 40px;
}
.hero .ctas {
  display: flex; gap: 16px; flex-wrap: wrap;
}
.btn-primary {
  background: var(--brand); color: #fff;
  padding: 14px 26px; border-radius: 999px;
  font-weight: 500; font-size: 14px;
  transition: transform .15s, background .2s;
  display: inline-flex; align-items: center; gap: 8px;
}
.btn-primary:hover { background: #4d5d54; transform: translateY(-1px); }
.btn-ghost {
  color: var(--on-dark);
  padding: 14px 26px; border-radius: 999px;
  font-weight: 500; font-size: 14px;
  border: 1px solid rgba(232, 228, 217, 0.25);
  transition: border-color .2s;
}
.btn-ghost:hover { border-color: var(--brand-light); }

/* ============= PRESS STRIP ============= */
.press {
  background: var(--cream-2);
  padding: 48px 0;
}
.press-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.press-card {
  background: var(--dark);
  color: var(--on-dark);
  border-radius: 16px;
  padding: 28px 28px 24px;
  font-family: 'Fraunces', Georgia, serif;
  font-size: 18px;
  line-height: 1.4;
  display: flex; flex-direction: column; justify-content: space-between;
  min-height: 180px;
  font-weight: 300;
}
.press-card .source {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand-light);
  margin-top: 16px;
}

/* ============= SECTIONS ============= */
section {
  padding: 120px 0;
}
section.dark {
  background: var(--dark);
  color: var(--on-dark);
}
.pill-label {
  display: inline-block;
  border: 1px solid var(--brand-soft);
  color: var(--brand);
  padding: 7px 16px;
  border-radius: 999px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 32px;
}
section.dark .pill-label {
  color: var(--brand-light);
  border-color: rgba(163, 177, 163, 0.35);
}
.section-head {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: end;
  margin-bottom: 80px;
}
.section-head h2 {
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 300;
}
.section-head h2 em {
  color: var(--brand);
  font-style: italic;
  font-weight: 300;
}
section.dark .section-head h2 em { color: var(--brand-light); }
.section-head p {
  font-size: 16px; color: var(--muted);
  max-width: 42ch;
}
section.dark .section-head p { color: var(--on-dark-muted); }

/* ============= MECHANISM ============= */
.mechanism {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.mech-step {
  padding-top: 32px;
  border-top: 1px solid rgba(163, 177, 163, 0.25);
}
.mech-step .n {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 13px;
  color: var(--brand-light);
  letter-spacing: 0.15em;
  margin-bottom: 20px;
}
.mech-step h3 {
  font-family: 'Fraunces', serif;
  font-size: 26px;
  font-weight: 400;
  margin-bottom: 16px;
  color: var(--on-dark);
}
.mech-step p {
  color: var(--on-dark-muted);
  font-size: 15px;
}

/* ============= WERKMAATSCHAPPIJEN ============= */
.companies {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.company {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
  transition: transform .3s, box-shadow .3s, border-color .3s;
  display: flex; flex-direction: column;
}
.company:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px -20px rgba(62, 76, 68, 0.2);
  border-color: var(--brand-soft);
}
.company .co-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  background: var(--cream-2);
}
.company .co-body-wrap {
  padding: 32px 32px 28px;
  display: flex; flex-direction: column;
  flex: 1;
}
.company .co-label {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--brand-soft);
  margin-bottom: 24px;
}
.company .co-mark {
  font-family: 'Fraunces', serif;
  font-size: 28px;
  font-weight: 500;
  color: var(--brand);
  margin-bottom: 4px;
  line-height: 1.1;
}
.company .co-tag {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 28px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  letter-spacing: 0.02em;
}
.company .co-body {
  font-size: 15px;
  color: var(--text);
  margin-bottom: 32px;
  flex: 1;
}
.company .co-link {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px;
  color: var(--brand);
  letter-spacing: 0.05em;
}

/* ============= DIENSTEN ============= */
.services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid rgba(163, 177, 163, 0.2);
}
.service {
  padding: 40px 32px 40px 0;
  border-bottom: 1px solid rgba(163, 177, 163, 0.2);
  border-right: 1px solid rgba(163, 177, 163, 0.2);
}
.service:nth-child(3n) { border-right: none; padding-right: 0; }
.service:nth-child(n+4) { padding-top: 40px; }
.service h4 {
  font-family: 'Fraunces', serif;
  font-size: 22px;
  font-weight: 400;
  color: var(--on-dark);
  margin-bottom: 14px;
}
.service p {
  color: var(--on-dark-muted);
  font-size: 14px;
}

/* ============= BEWIJS CIJFERS ============= */
.proof {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}
.proof-item {
  border-top: 1px solid var(--line);
  padding-top: 32px;
}
.proof-number {
  font-family: 'Fraunces', serif;
  font-size: clamp(60px, 7vw, 96px);
  line-height: 1;
  color: var(--brand);
  font-weight: 300;
  margin-bottom: 20px;
  letter-spacing: -0.04em;
}
.proof-item h4 {
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text);
}
.proof-item p {
  color: var(--muted);
  font-size: 14px;
}

/* ============= FAQ ============= */
.faq-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0 60px;
}
.faq-col { display: flex; flex-direction: column; }
.faq-item {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 16px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}
.faq-num {
  font-family: 'Fraunces', serif;
  font-size: 24px;
  color: var(--brand-light);
  font-weight: 400;
}
.faq-item h4 {
  font-family: 'Fraunces', serif;
  font-size: 17px;
  font-weight: 500;
  margin-bottom: 6px;
}
.faq-item p {
  font-size: 14px; color: var(--muted);
}

/* ============= FOUNDER SECTION ============= */
.founder {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 60px;
  align-items: start;
}
.founder .avatar {
  width: 280px; height: 340px;
  border-radius: 16px;
  background: linear-gradient(135deg, #3e4c44 0%, #1f2a24 100%);
  display: flex; align-items: center; justify-content: center;
  color: var(--brand-light);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.founder h2 {
  font-size: 48px; font-weight: 300;
  margin-bottom: 24px;
}
.founder p {
  color: var(--on-dark-muted);
  font-size: 16px;
  margin-bottom: 20px;
  max-width: 56ch;
}
.founder .contact-grid {
  margin-top: 40px;
  display: grid; grid-template-columns: repeat(2, max-content);
  gap: 12px 24px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
}
.founder .contact-grid dt { color: var(--brand-light); }
.founder .contact-grid dd { color: var(--on-dark); }

/* ============= OPERATIONS BAND ============= */
.operations-band {
  width: 100%;
  aspect-ratio: 16 / 7;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-color: var(--dark);
  position: relative;
}
.operations-band::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(15,15,14,0.15), rgba(15,15,14,0.4));
  pointer-events: none;
}

/* ============= CTA BAND ============= */
.cta-band {
  padding: 80px 0;
  background: var(--dark-2);
  color: var(--on-dark);
  text-align: center;
}
.cta-band h2 {
  font-size: clamp(36px, 4.5vw, 52px);
  margin-bottom: 16px;
  font-weight: 300;
}
.cta-band h2 em { color: var(--brand-light); font-style: italic; }
.cta-band p {
  color: var(--on-dark-muted);
  margin-bottom: 32px;
}

/* ============= FOOTER ============= */
footer {
  background: var(--cream-2);
  padding: 60px 0 40px;
  font-size: 13px;
  color: var(--muted);
}
footer .foot-top {
  display: flex; justify-content: space-between; align-items: center;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 24px;
}
footer .foot-top img { height: 24px; }
footer .foot-bottom {
  display: flex; justify-content: space-between;
  flex-wrap: wrap; gap: 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.03em;
}

/* ============= RESPONSIVE ============= */
@media (max-width: 900px) {
  nav ul { display: none; }
  .container { padding: 0 20px; }
  .section-head,
  .mechanism,
  .companies,
  .services,
  .proof,
  .faq-grid,
  .founder,
  .press-grid { grid-template-columns: 1fr; gap: 32px; }
  .service { border-right: none; padding-right: 0; }
  .hero { padding: 80px 0 100px; }
  section { padding: 80px 0; }
  .founder .avatar { width: 100%; height: 260px; }
  footer .foot-top { flex-direction: column; align-items: flex-start; gap: 16px; }
}