/* ══════════════════════════════════════════════════════════════
   2AD — Shared Design System
   Cormorant (serif) + DM Sans (sans-serif)
   Accent: Warm gold (#C9A96E) · Sage green (#7A9E87)
   Light mode default · Dark mode via [data-theme="dark"]
   ══════════════════════════════════════════════════════════════ */

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

/* ── CSS Variables — Light mode (default) ── */
:root {
  /* Backgrounds */
  --ink:            #FAFAF9;
  --stone:          #F5F5F4;
  --slate:          #EEEDED;
  --surface:        rgba(255,255,255,0.80);
  --surface-solid:  #FFFFFF;

  /* Text */
  --mist:           #1C1917;
  --platinum:       #3E3A36;
  --muted-light:    #57534E;

  /* Accents */
  --warm:           #C9A96E;
  --warm-hover:     #d4b07a;
  --sage:           #7A9E87;
  --rust:           #C96E6E;

  /* Borders & overlays */
  --ghost:          rgba(28,25,23,0.04);
  --line:           rgba(28,25,23,0.08);
  --border:         #E7E5E4;
  --border-subtle:  rgba(0,0,0,0.06);

  /* Fonts */
  --serif:          'Cormorant', Georgia, serif;
  --sans:           'DM Sans', system-ui, sans-serif;

  /* Legacy aliases — for pages not yet migrated */
  --bg:             var(--ink);
  --bg-alt:         var(--stone);
  --text:           var(--mist);
  --muted:          var(--platinum);
  --primary:        var(--warm);
  --primary-hover:  var(--warm-hover);
  --secondary:      var(--sage);
  --secondary-hover:#6B8E78;
  --emerald:        var(--warm);
  --indigo:         var(--sage);
  --amber:          #F59E0B;
  --font:           var(--sans);
  --plat:           var(--platinum);
  --card:           var(--surface-solid);

  /* Effects */
  --ease:           cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --shadow:         0 4px 24px rgba(0,0,0,0.06);
  --shadow-lg:      0 8px 32px rgba(0,0,0,0.10);
  --shadow-primary: 0 8px 24px rgba(201,169,110,0.18);
  --shadow-secondary: 0 8px 24px rgba(122,158,135,0.18);

  /* Nav-specific (overridden by dark mode) */
  --nav-bg:         rgba(250,250,249,0.45);
  --nav-bg-scrolled:rgba(250,250,249,0.95);
  --overlay-bg:     rgba(250,250,249,0.97);
  --overlay-hover:  rgba(0,0,0,0.03);
}

/* ── CSS Variables — Dark mode ── */
[data-theme="dark"] {
  --ink:            #0B0D0C;
  --stone:          #161918;
  --slate:          #222624;
  --surface:        rgba(22,25,24,0.80);
  --surface-solid:  #1A1D1C;

  --mist:           #D4D8D3;
  --platinum:       #B8BDB6;
  --muted-light:    #8A8F88;

  --ghost:          rgba(212,216,211,0.06);
  --line:           rgba(212,216,211,0.10);
  --border:         rgba(212,216,211,0.10);
  --border-subtle:  rgba(255,255,255,0.06);

  --shadow:         0 4px 24px rgba(0,0,0,0.20);
  --shadow-lg:      0 8px 32px rgba(0,0,0,0.30);
  --shadow-primary: 0 8px 24px rgba(201,169,110,0.12);
  --shadow-secondary: 0 8px 24px rgba(122,158,135,0.12);

  --nav-bg:         rgba(11,13,12,0.45);
  --nav-bg-scrolled:rgba(11,13,12,0.95);
  --overlay-bg:     rgba(11,13,12,0.97);
  --overlay-hover:  rgba(255,255,255,0.04);
}

/* ── Base ── */
html { scroll-behavior: smooth; }

body {
  background: var(--ink);
  color: var(--mist);
  font-family: var(--sans);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ── Typography ── */
h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.15;
  color: var(--mist);
}

.label {
  font-family: var(--sans);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--warm);
}

/* ── Utilities ── */
.container    { max-width: 1160px; margin: 0 auto; padding: 0 2rem; }
.container-md { max-width: 1160px; margin: 0 auto; padding: 0 2rem; }
.container-sm { max-width: 900px;  margin: 0 auto; padding: 0 2rem; }
.container-lg { max-width: 1440px; margin: 0 auto; padding: 0 2rem; }
.line-h       { width: 100%; height: 1px; background: var(--line); }

/* ── Reveal animations ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.d1, .reveal-d1 { transition-delay: 0.1s; }
.d2, .reveal-d2 { transition-delay: 0.2s; }
.d3, .reveal-d3 { transition-delay: 0.3s; }
.d4, .reveal-d4 { transition-delay: 0.4s; }
.d5            { transition-delay: 0.5s; }

/* ══════════════════════════════════════════
   NAV — Full-width fixed bar
══════════════════════════════════════════ */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.4rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background 0.4s, padding 0.4s, backdrop-filter 0.4s;
}
nav.scrolled {
  background: var(--nav-bg-scrolled);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 0.9rem 2rem;
  border-bottom: 1px solid var(--line);
}
.nav-logo {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--mist);
  text-decoration: none;
}
.nav-logo span { color: var(--warm); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}
.nav-links a {
  color: var(--platinum);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--mist); }
.nav-links a.active { color: var(--mist); font-weight: 500; }
.nav-cta {
  padding: 0.55rem 1.3rem;
  border: 1px solid var(--line) !important;
  border-radius: 1.5rem;
  transition: background 0.2s, border-color 0.2s !important;
  background: transparent !important;
  color: var(--platinum) !important;
  font-weight: 400;
  font-size: 0.8rem;
}
.nav-cta:hover {
  background: var(--ghost) !important;
  border-color: var(--platinum) !important;
  color: var(--mist) !important;
}

/* ══════════════════════════════════════════
   THEME TOGGLE
══════════════════════════════════════════ */
.theme-toggle {
  background: none;
  border: 1px solid var(--line);
  border-radius: 1.5rem;
  padding: 0.4rem 0.9rem;
  cursor: pointer;
  font-size: 0.75rem;
  color: var(--platinum);
  font-family: var(--sans);
  transition: background 0.2s, border-color 0.2s, color 0.2s;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
}
.theme-toggle:hover {
  background: var(--ghost);
  border-color: var(--platinum);
  color: var(--mist);
}

/* ══════════════════════════════════════════
   BUTTONS
══════════════════════════════════════════ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  background: var(--warm);
  color: #fff;
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-decoration: none;
  border: none;
  cursor: pointer;
  border-radius: 1.5rem;
  transition: background 0.2s, transform 0.2s;
}
[data-theme="dark"] .btn-primary { color: var(--ink); }
.btn-primary:hover {
  background: var(--warm-hover);
  transform: translateY(-2px);
}
.btn-primary:active { transform: scale(0.98); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  background: var(--sage);
  color: #fff;
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-decoration: none;
  border: none;
  cursor: pointer;
  border-radius: 1.5rem;
  transition: background 0.2s, transform 0.2s;
}
[data-theme="dark"] .btn-secondary { color: var(--ink); }
.btn-secondary:hover {
  background: var(--secondary-hover);
  transform: translateY(-2px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--platinum);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: color 0.2s, border-color 0.2s;
}
.btn-ghost:hover { color: var(--mist); border-color: var(--platinum); }

/* ══════════════════════════════════════════
   CARDS
══════════════════════════════════════════ */
.card {
  background: var(--stone);
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  padding: 2rem;
  transition: background 0.25s;
}
.card:hover {
  background: var(--slate);
}

/* ══════════════════════════════════════════
   FORMS
══════════════════════════════════════════ */
.field-label {
  display: block;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--warm);
  margin-bottom: 0.4rem;
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  background: var(--surface-solid);
  border: 1px solid var(--line);
  color: var(--mist);
  font-family: var(--sans);
  font-size: 0.9rem;
  font-weight: 300;
  padding: 0.85rem 1.1rem;
  border-radius: 0.75rem;
  outline: none;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
  -webkit-appearance: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--warm);
  box-shadow: 0 0 0 3px rgba(201,169,110,0.1);
}
[data-theme="dark"] .form-input:focus,
[data-theme="dark"] .form-select:focus,
[data-theme="dark"] .form-textarea:focus {
  box-shadow: 0 0 0 3px rgba(201,169,110,0.15);
}
.form-input::placeholder, .form-textarea::placeholder {
  color: var(--platinum);
  opacity: 0.5;
}
.form-select option { background: var(--surface-solid); }
.form-textarea { resize: none; min-height: 90px; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* ══════════════════════════════════════════
   FOOTER
══════════════════════════════════════════ */
footer {
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--line);
}
.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 2rem;
}
.footer-logo {
  font-family: var(--serif);
  font-size: 1.8rem;
  font-weight: 400;
  color: var(--mist);
}
.footer-logo span { color: var(--warm); }
.footer-cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}
.footer-col-title {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--warm);
  margin-bottom: 1rem;
}
.footer-col ul { list-style: none; display: grid; gap: 0.5rem; }
.footer-col a {
  font-size: 0.8rem;
  color: var(--platinum);
  text-decoration: none;
  opacity: 0.75;
  transition: opacity 0.2s;
}
.footer-col a:hover { opacity: 1; }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}
.footer-copy {
  font-size: 0.72rem;
  color: var(--platinum);
  opacity: 0.55;
}
.footer-social a {
  font-size: 0.72rem;
  color: var(--platinum);
  opacity: 0.6;
  text-decoration: none;
  transition: opacity 0.2s;
}
.footer-social a:hover { opacity: 0.8; }
.footer-ekomi {
  font-size: 0.7rem;
  color: var(--platinum);
  opacity: 0.6;
}

/* ══════════════════════════════════════════
   MOBILE MENU — Hamburger
══════════════════════════════════════════ */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 110;
  -webkit-tap-highlight-color: transparent;
}
.nav-toggle-icon {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--mist);
  border-radius: 2px;
  position: relative;
  transition: background 0.3s var(--ease);
}
.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--mist);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), top 0.3s var(--ease), bottom 0.3s var(--ease);
}
.nav-toggle-icon::before { top: -7px; }
.nav-toggle-icon::after { bottom: -7px; }

/* Hamburger → X animation */
.nav-toggle.open .nav-toggle-icon { background: transparent; }
.nav-toggle.open .nav-toggle-icon::before {
  top: 0;
  transform: rotate(45deg);
}
.nav-toggle.open .nav-toggle-icon::after {
  bottom: 0;
  transform: rotate(-45deg);
}

/* Mobile overlay menu */
.nav-mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--overlay-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}
.nav-mobile-overlay.open {
  display: flex;
  opacity: 1;
}
.nav-mobile-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 0;
}
.nav-mobile-links li { width: 100%; text-align: center; }
.nav-mobile-links a {
  display: block;
  padding: 0.9rem 2rem;
  font-family: var(--sans);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--platinum);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color 0.2s, background 0.2s;
  border-radius: 1rem;
}
.nav-mobile-links a:hover,
.nav-mobile-links a.active {
  color: var(--mist);
  background: var(--overlay-hover);
}
.nav-mobile-links .nav-cta {
  margin-top: 1rem;
  display: inline-block;
  padding: 0.75rem 2.5rem;
  font-size: 1rem;
}

/* ══════════════════════════════════════════
   RESPONSIVE — Shared
══════════════════════════════════════════ */
@media (max-width: 768px) {
  nav { padding: 1rem 1.5rem; }
  nav.scrolled { padding: 0.7rem 1.5rem; }
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .theme-toggle { padding: 0.35rem 0.7rem; font-size: 0.7rem; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .container, .container-md, .container-sm { padding: 0 1.5rem; }
  .footer-cols { grid-template-columns: 1fr; }
}