/* ═══════════════════════════════════════════
   DESIGN TOKENS
════════════════════════════════════════════ */
:root {
  --bg:         #F7F4EF;
  --bg-white:   #FFFFFF;
  --green:      #1C3822;
  --green-lt:   #2C5535;
  --text:       #1A1A18;
  --text-mid:   #4A4540;
  --text-muted: #9A9590;
  --sand:       #DDD0B8;
  --border:     #E8E3DA;

  --ff-serif: 'Playfair Display', Georgia, serif;
  --ff-sans:  'Inter', system-ui, -apple-system, sans-serif;

  --nav-h:      72px;
  --max-w:      1200px;
  --section-v:  5.5rem;

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --t:    0.25s var(--ease);
}

/* ═══════════════════════════════════════════
   RESET & BASE
════════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--ff-sans);
  font-weight: 300;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a   { color: inherit; text-decoration: none; }
ul  { list-style: none; }

/* ═══════════════════════════════════════════
   LAYOUT
════════════════════════════════════════════ */
.container {
  width: min(var(--max-w), 100% - 3rem);
  margin-inline: auto;
}

.hidden { display: none !important; }

/* ═══════════════════════════════════════════
   TYPOGRAPHY HELPERS
════════════════════════════════════════════ */
.section-label {
  font-size: 0.675rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 1rem;
}

/* ═══════════════════════════════════════════
   NAVBAR
════════════════════════════════════════════ */
.navbar {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: clamp(1.5rem, 4vw, 3rem);
  background: rgba(247, 244, 239, 0.06);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: background var(--t), box-shadow var(--t);
}

/* État scrollé : fond crème opaque, le blur devient invisible */
.navbar.scrolled {
  background: var(--bg);
  box-shadow: 0 1px 0 var(--border);
}

/* Éléments texte blancs/crème quand la nav est transparente (sur le hero) */
.navbar:not(.scrolled) .brand-name        { color: rgba(247, 244, 239, 0.95); }
.navbar:not(.scrolled) .brand-logo        { filter: brightness(0) invert(1); }
.navbar:not(.scrolled) .nav-links a       { color: rgba(247, 244, 239, 0.72); }
.navbar:not(.scrolled) .nav-links a:hover { color: #FFFFFF; }
.navbar:not(.scrolled) .btn-nav-auth      { color: rgba(247, 244, 239, 0.72); }
.navbar:not(.scrolled) .btn-nav-auth:hover { color: #FFFFFF; }
.navbar:not(.scrolled) .user-greeting     { color: rgba(247, 244, 239, 0.85); }
.navbar:not(.scrolled) .nav-toggle span   { background: rgba(247, 244, 239, 0.9); }

/* Drawer mobile ouvert : fond crème → textes sombres, quelle que soit la position */
.navbar:not(.scrolled) .nav-right.open .nav-links a        { color: var(--text-mid); }
.navbar:not(.scrolled) .nav-right.open .nav-links a:hover  { color: var(--green); }
.navbar:not(.scrolled) .nav-right.open .btn-nav-auth       { color: var(--text-mid); }
.navbar:not(.scrolled) .nav-right.open .btn-nav-auth:hover { color: var(--green); }
.navbar:not(.scrolled) .nav-right.open .user-greeting      { color: var(--text-mid); }

/* Brand */
.brand {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  flex-shrink: 0;
}

.brand-logo { height: 36px; width: auto; }
.brand-logo--sm { height: 24px; }

.brand-name {
  font-family: var(--ff-serif);
  font-size: 1.25rem;
  font-weight: 400;
  letter-spacing: 0.01em;
}

.brand-name strong { font-weight: 600; }
.brand-name--sm    { font-size: 1rem; }

/* Nav right */
.nav-right {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.675rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-mid);
  transition: color var(--t);
}
.nav-links a:hover { color: var(--green); }

/* Auth zone */
.nav-auth {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn-nav-auth {
  font-family: var(--ff-sans);
  font-size: 0.675rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  cursor: pointer;
  text-transform: uppercase;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-mid);
  transition: color var(--t);
  padding: 0;
}
.btn-nav-auth:hover              { color: var(--green); }
.btn-nav-auth--muted             { color: var(--text-muted); }
.btn-nav-auth--muted:hover       { color: var(--green); }

.user-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.user-greeting {
  font-size: 0.85rem;
  color: var(--text-mid);
}

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

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text);
  transition: all var(--t);
}

/* ═══════════════════════════════════════════
   HERO
════════════════════════════════════════════ */
.hero {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  padding-inline: clamp(1.5rem, 4vw, 3rem);
  position: relative;
  background-color: var(--bg);
  background-image: url('/img/hero-bg.jpg');
  background-size: cover;
  background-position: center 40%;
  overflow: hidden;
}

/* Scrim sombre teinté vert pour lisibilité du texte */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(10, 22, 13, 0.55) 0%,
    rgba(10, 22, 13, 0.35) 55%,
    transparent 82%
  );
  pointer-events: none;
  z-index: 0;
}

/* Fondu bas vers la couleur crème du site */
.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 42%;
  background: linear-gradient(to bottom, transparent, #F7F4EF);
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  max-width: 840px;
  padding-block: var(--section-v);
  position: relative;
  z-index: 1;
}

.hero .section-label {
  color: rgba(247, 244, 239, 0.72);
  text-shadow: none;
}

.hero h1 {
  font-family: var(--ff-serif);
  font-size: clamp(2.6rem, 5.5vw, 4.75rem);
  font-weight: 400;
  line-height: 1.07;
  letter-spacing: -0.01em;
  color: #FFFFFF;
  margin-bottom: 1.75rem;
  text-shadow: 0 1px 12px rgba(10, 22, 13, 0.35);
}

.hero-desc {
  font-size: 0.875rem;
  /* color: rgba(247, 244, 239, 0.88); */
  color: var(--bg-white);
  
  max-width: 46ch;
  line-height: 1.8;
  text-shadow: 0 1px 6px rgba(10, 22, 13, 0.3);
}

/* ═══════════════════════════════════════════
   BUTTONS
════════════════════════════════════════════ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--ff-sans);
  font-size: 0.675rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bg-white);
  background: var(--green);
  border: 1px solid var(--green);
  padding: 0.9rem 2.25rem;
  cursor: pointer;
  transition: background var(--t), border-color var(--t);
}
.btn-primary:hover    { background: var(--green-lt); border-color: var(--green-lt); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-full             { width: 100%; }

/* ═══════════════════════════════════════════
   COLLECTION
════════════════════════════════════════════ */
.collection { padding-block: var(--section-v); }

.collection h2 {
  font-family: var(--ff-serif);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 400;
  margin-bottom: 2.5rem;
}

.watch-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.watch-card { display: flex; flex-direction: column; }

.watch-img-wrap {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: linear-gradient(135deg, var(--sand) 0%, #e8dcc6 100%);
  margin-bottom: 1.25rem;
}

.watch-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}

.watch-card:hover .watch-img-wrap img { transform: scale(1.04); }

.watch-specs {
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 0.5rem;
}

.watch-card h3 {
  font-family: var(--ff-serif);
  font-size: 1.55rem;
  font-weight: 400;
  margin-bottom: 0.75rem;
}

.watch-card p {
  font-size: 0.875rem;
  color: var(--text-mid);
  line-height: 1.75;
}

/* ═══════════════════════════════════════════
   À PROPOS
════════════════════════════════════════════ */
.apropos {
  padding-block: var(--section-v);
  background: var(--bg-white);
}

.apropos-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.apropos-text h2 {
  font-family: var(--ff-serif);
  font-size: clamp(1.75rem, 3vw, 2.75rem);
  font-weight: 400;
  line-height: 1.15;
  margin-bottom: 1.75rem;
}

.apropos-text p {
  font-size: 0.875rem;
  color: var(--text-mid);
  line-height: 1.8;
  margin-bottom: 1rem;
}
.apropos-text p:last-child { margin-bottom: 0; }

.apropos-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  padding-top: 0.5rem;
}

.stat { display: flex; flex-direction: column; gap: 0.3rem; }

.stat-number {
  font-family: var(--ff-serif);
  font-size: 2.75rem;
  font-weight: 400;
  line-height: 1;
  color: var(--text);
}

.stat-label {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ═══════════════════════════════════════════
   CONTACT
════════════════════════════════════════════ */
.contact-section { padding-block: var(--section-v); }

.contact-section h2 {
  font-family: var(--ff-serif);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 400;
  margin-bottom: 0.75rem;
}

.contact-intro {
  font-size: 0.875rem;
  color: var(--text-mid);
  margin-bottom: 2.5rem;
}

.contact-form { max-width: 680px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.form-row .form-group { margin-bottom: 0; }

.form-group label {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-mid);
}

.field-hint {
  font-weight: 300;
  text-transform: none;
  letter-spacing: 0;
  color: var(--text-muted);
}

.form-group input,
.form-group textarea {
  font-family: var(--ff-sans);
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--text);
  background: var(--bg-white);
  border: 1px solid var(--border);
  padding: 0.8rem 1rem;
  outline: none;
  transition: border-color var(--t);
  width: 100%;
  resize: vertical;
  appearance: none;
}

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

.form-feedback {
  font-size: 0.85rem;
  padding: 0.875rem 1rem;
  margin-bottom: 1.25rem;
  border-left: 3px solid;
}

.form-feedback.success { background: #f0f7f2; border-color: var(--green); color: var(--green); }
.form-feedback.error   { background: #fdf2f2; border-color: #b91c1c;    color: #b91c1c; }

/* ═══════════════════════════════════════════
   FOOTER
════════════════════════════════════════════ */
.footer {
  border-top: 1px solid var(--border);
  padding-block: 2rem;
  background: var(--bg);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.footer-nav { display: flex; gap: 1.5rem; }

.footer-nav a {
  font-size: 0.675rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--t);
}
.footer-nav a:hover { color: var(--green); }

/* ═══════════════════════════════════════════
   MODAL
════════════════════════════════════════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 8, 0.55);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  animation: fadeIn 0.2s var(--ease);
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal {
  background: var(--bg-white);
  width: min(460px, 100%);
  padding: 2.5rem;
  position: relative;
  animation: slideUp 0.25s var(--ease);
}

@keyframes slideUp {
  from { transform: translateY(14px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  font-size: 1.1rem;
  line-height: 1;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: 0.25rem;
  transition: color var(--t);
}
.modal-close:hover { color: var(--text); }

.modal-tabs {
  display: flex;
  gap: 1.75rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1rem;
}

.tab-btn {
  font-family: var(--ff-sans);
  font-size: 0.8rem;
  font-weight: 500;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  color: var(--text-muted);
  padding-bottom: 0.5rem;
  margin-bottom: -1.0625rem; /* align border with container border */
  transition: color var(--t), border-color var(--t);
}

.tab-btn.active {
  color: var(--green);
  border-bottom-color: var(--green);
}

.auth-form {
  display: flex;
  flex-direction: column;
}

.auth-form .form-group { margin-bottom: 1.25rem; }
.auth-form .form-group:last-of-type { margin-bottom: 1rem; }

/* ═══════════════════════════════════════════
   SCROLL REVEAL
════════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 0.65s var(--ease),
    transform 0.65s var(--ease);
  transition-delay: var(--delay, 0s);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ═══════════════════════════════════════════
   RESPONSIVE — TABLET
════════════════════════════════════════════ */
@media (max-width: 900px) {
  .watch-grid { grid-template-columns: 1fr 1fr; }
  .apropos-grid { grid-template-columns: 1fr; gap: 3rem; }
}

/* ═══════════════════════════════════════════
   RESPONSIVE — MOBILE
════════════════════════════════════════════ */
@media (max-width: 640px) {
  :root { --section-v: 3.5rem; }

  /* Hamburger visible */
  .nav-toggle { display: flex; }

  /* Mobile menu drawer */
  .nav-right {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: var(--bg);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 1.75rem clamp(1.5rem, 4vw, 3rem) 2.5rem;
    border-top: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  }

  .nav-right.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links { flex-direction: column; gap: 1.25rem; margin-bottom: 1.75rem; }
  .nav-links a { font-size: 0.8rem; }

  .watch-grid { grid-template-columns: 1fr; }
  .form-row   { grid-template-columns: 1fr; }

  .footer-inner { flex-direction: column; align-items: flex-start; }
}