/* ============================================================
   HORIZON MENTORSCHAP EN COACHING — DESIGN SYSTEM
   Warm, uitnodigend, menselijk. Nooit schreeuwerig.
   ============================================================ */

/* --- Custom Properties --- */
:root {
  /* Brand — afgeleid van logo, zachter toegepast */
  --teal: #253739;
  --teal-light: #3A5254;
  --teal-soft: #4A6668;
  --teal-mist: rgba(37, 55, 57, 0.06);

  --gold: #D2A569;
  --gold-soft: #E3AE4D;
  --gold-mist: rgba(210, 165, 105, 0.10);
  --gold-glow: rgba(210, 165, 105, 0.05);

  /* Warm neutrals */
  --cream: #FBF8F4;
  --cream-dark: #F5F0E8;
  --sand: #EDE7DC;
  --taupe: #D8CEBD;
  --warm-gray: #A89F92;
  --text: #3A3228;
  --text-soft: #6B6156;
  --text-muted: #9A9189;

  /* Type */
  --serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --sans: 'Inter', system-ui, -apple-system, sans-serif;

  /* Spacing (8px grid) */
  --s1: 8px; --s2: 16px; --s3: 24px; --s4: 32px;
  --s5: 40px; --s6: 48px; --s8: 64px; --s10: 80px;
  --s12: 96px; --s16: 128px; --s20: 160px;

  /* Radius */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;
  --r-full: 999px;

  /* Transitions */
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-soft: cubic-bezier(0.22, 1, 0.36, 1);
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body {
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--cream);
  overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: var(--sans); cursor: pointer; }
h1,h2,h3,h4 { font-family: var(--serif); font-weight: 600; color: var(--teal); text-wrap: balance; }
p { max-width: 60ch; text-wrap: pretty; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* --- Film Grain Overlay (subtiel, premium) --- */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: 0.5;
  mix-blend-mode: multiply;
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 64px);
}
.container--narrow { max-width: 720px; }
.container--wide { max-width: 1280px; }

.section { padding: clamp(80px, 12vw, 160px) 0; }
.section--sm { padding: clamp(48px, 8vw, 96px) 0; }

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 0;
  background: rgba(251, 248, 244, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(37, 55, 57, 0.06);
  transition: all 0.5s var(--ease-soft);
}
.nav.scrolled {
  padding: 12px 0;
  background: rgba(251, 248, 244, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(37, 55, 57, 0.08);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.logo { display: flex; align-items: center; }
.logo__img {
  height: 72px;
  width: auto;
  image-rendering: optimizeQuality;
  -webkit-image-rendering: optimizeQuality;
}
.logo__img--footer {
  height: 44px;
  filter: brightness(0) invert(1);
  opacity: 0.85;
}

/* Nav links */
.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(20px, 2.5vw, 36px);
}
.nav__link {
  font-size: 0.875rem;
  font-weight: 450;
  color: var(--text-soft);
  transition: color 0.25s ease;
  position: relative;
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 100%; height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s var(--ease);
}
.nav__link:hover { color: var(--teal); }
.nav__link:hover::after { transform: scaleX(1); transform-origin: left; }
.nav__link--active { color: var(--teal); font-weight: 500; }
.nav__link--active::after { transform: scaleX(1); }

.nav__cta {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--teal);
  padding: 9px 22px;
  border: 1.5px solid var(--taupe);
  border-radius: var(--r-full);
  transition: all 0.3s var(--ease);
}
.nav__cta:hover {
  background: var(--teal);
  border-color: var(--teal);
  color: var(--cream);
}

/* Mobile toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  z-index: 301;
}
.nav__toggle span {
  display: block; width: 24px; height: 1.5px;
  background: var(--teal);
  transition: all 0.3s var(--ease-soft);
  transform-origin: center;
}
.nav__toggle.active span:nth-child(1) { transform: rotate(45deg) translate(4px, 5px); }
.nav__toggle.active span:nth-child(2) { opacity: 0; }
.nav__toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(4px, -5px); }

.mobile-menu {
  position: fixed; inset: 0;
  background: var(--cream);
  z-index: 200;
  display: flex; flex-direction: column;
  justify-content: center; align-items: center; gap: 28px;
  opacity: 0; pointer-events: none;
  transition: opacity 0.4s ease;
}
.mobile-menu.open { opacity: 1; pointer-events: all; }
.mobile-menu a {
  font-family: var(--serif);
  font-size: 1.6rem; font-weight: 500;
  color: var(--teal);
  transition: color 0.2s ease;
}
.mobile-menu a:hover { color: var(--gold); }

@media (max-width: 768px) {
  .nav__links, .nav__cta { display: none; }
  .nav__toggle { display: flex; }
}

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.875rem; font-weight: 550;
  border: none; border-radius: var(--r-full);
  transition: all 0.35s var(--ease);
  letter-spacing: 0.01em;
}
.btn--primary {
  background: var(--teal);
  color: var(--cream);
  padding: 13px 30px;
}
.btn--primary:hover {
  background: var(--teal-light);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(37, 55, 57, 0.12);
}
.btn--soft {
  background: var(--gold-mist);
  color: var(--teal);
  padding: 13px 30px;
  border: 1px solid rgba(210, 165, 105, 0.2);
}
.btn--soft:hover {
  background: rgba(210, 165, 105, 0.18);
  border-color: rgba(210, 165, 105, 0.35);
}
.btn--ghost {
  background: transparent;
  color: var(--text-soft);
  padding: 13px 30px;
  border: 1.5px solid var(--taupe);
}
.btn--ghost:hover {
  border-color: var(--teal);
  color: var(--teal);
}
.btn--text {
  background: none; padding: 0;
  color: var(--gold);
  font-weight: 550;
  gap: 6px;
}
.btn--text .arrow {
  display: inline-block;
  transition: transform 0.3s ease;
  font-size: 0.9em;
}
.btn--text:hover .arrow { transform: translateX(4px); }

/* --- Eyebrow / Label --- */
.label {
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  display: inline-flex; align-items: center; gap: 10px;
}
.label::before {
  content: '';
  width: 24px; height: 1px;
  background: var(--gold);
}

/* --- Organic Shape Decorations --- */
.organic-blob {
  position: absolute;
  border-radius: 60% 40% 50% 50% / 50% 60% 40% 50%;
  pointer-events: none;
  z-index: 0;
}

/* --- Divider (handdrawn feel) --- */
.divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--taupe), transparent);
  margin: 0;
}

/* --- Card base --- */
.card {
  background: var(--cream);
  border: 1px solid rgba(216, 206, 189, 0.5);
  border-radius: var(--r-lg);
  padding: clamp(28px, 3vw, 40px);
  transition: all 0.4s var(--ease);
}
.card:hover {
  border-color: rgba(210, 165, 105, 0.3);
  box-shadow: 0 8px 32px rgba(37, 55, 57, 0.06);
  transform: translateY(-2px);
}

/* --- Scroll reveal --- */
[data-r] { opacity: 0; transform: translateY(24px); }
[data-r-group] [data-r-item] { opacity: 0; transform: translateY(20px); }

/* --- Footer --- */
.footer {
  background: var(--teal);
  color: rgba(251, 248, 244, 0.55);
  padding: var(--s8) 0 var(--s4);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr;
  gap: var(--s6);
  padding-bottom: var(--s6);
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.footer__brand p {
  margin-top: var(--s2);
  font-size: 0.85rem;
  line-height: 1.7;
  max-width: 280px;
}
/* footer logo wordt wit via filter op .logo__img--footer */
.footer__col h4 {
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 600;
  color: rgba(251,248,244,0.85);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--s2);
}
.footer__col ul { display: flex; flex-direction: column; gap: 8px; }
.footer__col a {
  font-size: 0.85rem;
  transition: color 0.2s ease;
}
.footer__col a:hover { color: var(--gold-soft); }
.footer__bottom {
  padding-top: var(--s3);
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  letter-spacing: 0.02em;
}
@media (max-width: 768px) {
  .footer__grid { grid-template-columns: 1fr; gap: var(--s4); }
  .footer__bottom { flex-direction: column; gap: 8px; text-align: center; }
}

/* --- Form --- */
.form-group { margin-bottom: var(--s2); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s2); }
.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--sans);
  font-size: 0.875rem;
  color: var(--text);
  background: var(--cream);
  border: 1.5px solid var(--sand);
  border-radius: var(--r-md);
  outline: none;
  transition: all 0.3s ease;
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--warm-gray); }
.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px var(--gold-glow);
}
.form-textarea { resize: vertical; min-height: 110px; }
.form-select { appearance: none; cursor: pointer; }
.form-submit {
  width: 100%;
  padding: 14px;
  background: var(--teal);
  color: var(--cream);
  border: none;
  border-radius: var(--r-md);
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.3s ease;
}
.form-submit:hover {
  background: var(--teal-light);
  transform: translateY(-1px);
}
@media (max-width: 768px) {
  .form-row { grid-template-columns: 1fr; }
}