/* =========================================================
   LOUXANDER — Design System
   Palette: Navy · Champagne · Off-white · Charcoal
   Type: Cormorant Garamond (display) · Inter (body)
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400&family=Inter:wght@300;400;500;600&family=Marcellus&display=swap');

/* ── Tokens ─────────────────────────────────────────────── */
:root {
  --navy:       #0F1E35;
  --navy-mid:   #1A2E4A;
  --navy-light: #243d5e;
  --gold:       #B8965A;
  --gold-light: #D4B07A;
  --cream:      #F7F5F0;
  --white:      #FFFFFF;
  --grey-100:   #F2F0EB;
  --grey-200:   #E5E2DB;
  --grey-400:   #9B9790;
  --grey-600:   #5C5852;
  --body-text:  #2E2B27;

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-wordmark: 'Marcellus', Georgia, serif;
  --font-body:    'Inter', -apple-system, sans-serif;

  --max-width:  1200px;
  --gutter:     clamp(1.5rem, 5vw, 5rem);

  --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--body-text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

/* ── Typography scale ────────────────────────────────────── */
.display-xl {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  font-weight: 300;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--navy);
}

.display-lg {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 300;
  line-height: 1.15;
  color: var(--navy);
}

.display-md {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
  font-weight: 400;
  line-height: 1.25;
  color: var(--navy);
}

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}

.body-lead {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  font-weight: 300;
  line-height: 1.75;
  color: var(--grey-600);
}

.body-sm {
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--grey-600);
}

/* ── Layout utilities ────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section {
  padding: clamp(4rem, 8vw, 8rem) 0;
}

.section--dark {
  background: var(--navy);
  color: var(--white);
}

.section--cream {
  background: var(--cream);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

/* ── Gold rule — the signature element ───────────────────── */
.gold-rule {
  display: block;
  width: 2.5rem;
  height: 1px;
  background: var(--gold);
  margin-bottom: 1.5rem;
}

.gold-rule--full {
  width: 100%;
  height: 1px;
  background: var(--gold);
  opacity: 0.25;
}

/* ── Navigation ──────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--grey-200);
  transition: box-shadow 0.3s var(--ease-out);
}

.nav.scrolled {
  box-shadow: 0 2px 32px rgba(15, 30, 53, 0.08);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.nav__logo {
  font-family: var(--font-wordmark);
  font-size: 1.4rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--navy);
  text-transform: lowercase;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.nav__links a {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--grey-600);
  transition: color 0.2s;
  position: relative;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width 0.25s var(--ease-out);
}

.nav__links a:hover { color: var(--navy); }
.nav__links a:hover::after { width: 100%; }
.nav__links a.active { color: var(--navy); }
.nav__links a.active::after { width: 100%; }

.nav__cta {
  background: var(--navy);
  color: var(--white) !important;
  padding: 0.6rem 1.4rem;
  font-size: 0.75rem !important;
  letter-spacing: 0.12em;
  transition: background 0.2s !important;
}

.nav__cta:hover { background: var(--gold) !important; color: var(--white) !important; }
.nav__cta::after { display: none !important; }

/* Mobile nav */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--navy);
  transition: all 0.25s;
}

.nav__mobile {
  display: none;
  position: fixed;
  top: 72px; left: 0; right: 0; bottom: 0;
  background: var(--white);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
}

.nav__mobile.open { display: flex; }

.nav__mobile a {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 300;
  color: var(--navy);
  letter-spacing: 0.04em;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.85rem 2rem;
  cursor: pointer;
  transition: all 0.25s var(--ease-out);
  border: none;
}

.btn-primary {
  background: var(--navy);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--gold);
  color: var(--white);
}

.btn-outline {
  background: transparent;
  color: var(--navy);
  border: 1px solid var(--navy);
}

.btn-outline:hover {
  background: var(--navy);
  color: var(--white);
}

.btn-outline--light {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.4);
}

.btn-outline--light:hover {
  background: var(--white);
  color: var(--navy);
  border-color: var(--white);
}

.btn-arrow::after {
  content: '→';
  font-size: 0.9rem;
  transition: transform 0.2s;
}

.btn-arrow:hover::after { transform: translateX(4px); }

/* ── Footer ──────────────────────────────────────────────── */
.footer {
  background: var(--navy);
  color: rgba(255,255,255,0.65);
  padding: 5rem 0 3rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 2rem;
}

.footer__logo {
  font-family: var(--font-wordmark);
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--white);
  text-transform: lowercase;
  margin-bottom: 1rem;
}

.footer__tagline {
  font-size: 0.875rem;
  line-height: 1.65;
  max-width: 280px;
}

.footer__heading {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.25rem;
}

.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer__links a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.65);
  transition: color 0.2s;
}

.footer__links a:hover { color: var(--white); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
}

/* ── Contact form ────────────────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.form-group label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--grey-600);
}

.form-group input,
.form-group textarea,
.form-group select {
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--grey-200);
  background: var(--white);
  color: var(--body-text);
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
  -webkit-appearance: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--navy);
}

.form-group textarea {
  min-height: 130px;
  resize: vertical;
}

/* ── Animations ──────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-up {
  opacity: 0;
  animation: fadeUp 0.75s var(--ease-out) forwards;
}

.fade-up-1 { animation-delay: 0.1s; }
.fade-up-2 { animation-delay: 0.25s; }
.fade-up-3 { animation-delay: 0.4s; }
.fade-up-4 { animation-delay: 0.55s; }

@media (prefers-reduced-motion: reduce) {
  .fade-up { animation: none; opacity: 1; }
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 900px) {
  .grid-2 { grid-template-columns: 1fr; gap: 2.5rem; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .nav__links { display: none; }
  .nav__hamburger { display: flex; }
}

@media (max-width: 600px) {
  .grid-3 { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; gap: 0.75rem; text-align: center; }
}