/* =============================================
   Mes Amis Café — Global Stylesheet
   Supports light & dark mode via [data-theme]
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400;1,600&family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;1,300;1,400&family=DM+Sans:wght@300;400;500&display=swap');

/* ── Design tokens: dark (default) ── */
:root,
[data-theme="dark"] {
  --bg:          #2d4f8e;
  --bg-mid:      #243f7a;
  --bg-light:    #1e3468;
  --text:        #f0eada;
  --text-light:  #faf6ef;
  --text-dim:    #c8d4e8;
  --text-muted:  #ffffff;
  --gold:        #c9a227;
  --gold-light:  #ddb73a;
  --border:      rgba(240, 234, 218, 0.1);
  --border-gold: rgba(201, 162, 39, 0.3);
  --nav-bg:      rgba(36, 63, 122, 0.97);
  --footer-bg:   #1a2f60;
  --input-bg:    #1e3468;
  --shadow:      0 4px 24px rgba(0,0,0,0.45);
}

/* ── Design tokens: light ── */
[data-theme="light"] {
  --bg:          #faf6ef;
  --bg-mid:      #f2ece0;
  --bg-light:    #e8dcc8;
  --text:        #1e3468;
  --text-light:  #1a2f60;
  --text-dim:    #2d4f8e;
  --text-muted:  #4a6080;
  --gold:        #9a7a18;
  --gold-light:  #b08f28;
  --border:      rgba(30, 52, 104, 0.1);
  --border-gold: rgba(154, 122, 24, 0.28);
  --nav-bg:      rgba(250, 246, 239, 0.97);
  --footer-bg:   #e0d5c0;
  --input-bg:    #ede5d5;
  --shadow:      0 4px 24px rgba(0,0,0,0.12);
}

/* ── Font & layout constants ── */
:root {
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Cormorant Garamond', Georgia, serif;
  --font-ui:      'DM Sans', sans-serif;
  --nav-height:   84px;
  --radius:       4px;
  --transition:   0.25s ease;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: clamp(1rem, 2vw, 1.1rem);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background 0.3s ease, color 0.3s ease;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
ul { list-style: none; }

/* ── Skip link ── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--gold);
  color: var(--bg);
  padding: 0.5rem 1rem;
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius);
  z-index: 9999;
  transition: top var(--transition);
}
.skip-link:focus { top: 1rem; }

/* ── Navigation ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-gold);
  z-index: 1000;
  display: flex;
  align-items: center;
  padding: 0 clamp(1.5rem, 5vw, 3rem);
  transition: background 0.3s ease, border-color 0.3s ease;
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  gap: 1rem;
}
.nav__logo { display: flex; align-items: center; flex-shrink: 0; line-height: 1; }
.nav__logo-img {
  height: 54px;
  width: auto;
  display: block;
  object-fit: contain;
  transition: opacity 0.3s ease;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex: 1;
  justify-content: center;
}
.nav__link {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
  opacity: 0.75;
  transition: opacity var(--transition), color var(--transition);
  position: relative;
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width var(--transition);
}
.nav__link:hover, .nav__link:focus-visible { opacity: 1; outline: none; }
.nav__link:hover::after, .nav__link:focus-visible::after { width: 100%; }
.nav__link.active { opacity: 1; color: var(--gold); }
.nav__link.active::after { width: 100%; }

/* Cart */
.nav__cart-btn {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
  opacity: 0.75;
  transition: opacity var(--transition), color var(--transition);
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius);
}
.nav__cart-btn:hover, .nav__cart-btn:focus-visible {
  opacity: 1; color: var(--gold);
  outline: 2px solid var(--gold); outline-offset: 2px;
}
.nav__cart-count {
  background: var(--gold);
  color: var(--bg);
  font-family: var(--font-ui);
  font-size: 0.6rem;
  font-weight: 700;
  line-height: 1;
  width: 18px; height: 18px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  padding: 0;
  position: absolute;
  top: -4px; right: -6px;
  transition: transform 0.2s ease;
}
.nav__cart-count.bump { transform: scale(1.4); }

/* ── Theme toggle ── */
.nav__theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-gold);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--transition), border-color var(--transition), color var(--transition), transform 0.3s ease;
}
.nav__theme-toggle:hover {
  background: var(--border-gold);
  border-color: var(--gold);
  color: var(--gold);
  transform: rotate(20deg);
}
.nav__theme-toggle:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}
/* Sun/moon icon visibility */
.icon-sun  { display: none; }
.icon-moon { display: block; }
[data-theme="light"] .icon-sun  { display: block; }
[data-theme="light"] .icon-moon { display: none; }

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  border-radius: var(--radius);
}
.nav__hamburger:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
.nav__hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease, background 0.3s ease;
}
.nav__hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
.nav__mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0; right: 0;
  background: var(--bg-mid);
  border-bottom: 1px solid var(--border-gold);
  padding: 1.5rem clamp(1.5rem, 5vw, 3rem);
  flex-direction: column;
  z-index: 999;
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.3s ease, opacity 0.3s ease, background 0.3s ease;
}
.nav__mobile-menu.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
.nav__mobile-link {
  font-family: var(--font-ui);
  font-size: 1rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  display: block;
  transition: color var(--transition), padding-left var(--transition);
}
.nav__mobile-link:hover, .nav__mobile-link:focus-visible { color: var(--gold); padding-left: 0.5rem; outline: none; }
.nav__mobile-link.active { color: var(--gold); }
.nav__mobile-link:last-child { border-bottom: none; }

/* ── Page / sections ── */
.page { padding-top: var(--nav-height); min-height: 100vh; }
.section { padding: clamp(4rem, 8vw, 7rem) clamp(1.5rem, 5vw, 3rem); }
.section--alt { background: var(--bg-mid); transition: background 0.3s ease; }
.container { max-width: 1200px; margin: 0 auto; }

.section__eyebrow {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.75rem;
  display: block;
}
.section__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  color: var(--text-light);
  line-height: 1.2;
  margin-bottom: 1.25rem;
  transition: color 0.3s ease;
}
.section__lead {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  color: var(--text-dim);
  max-width: 52ch;
  font-style: italic;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
  padding: 0.85rem 2rem;
  border-radius: var(--radius);
  transition: all var(--transition);
  border: 1px solid transparent;
  cursor: pointer;
}
.btn:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
.btn--primary { background: var(--gold); color: var(--bg); border-color: var(--gold); }
.btn--primary:hover {
  background: var(--gold-light); border-color: var(--gold-light);
  transform: translateY(-1px); box-shadow: 0 6px 20px rgba(201, 162, 39, 0.3);
}
.btn--outline { background: transparent; color: var(--text); border-color: var(--border-gold); }
.btn--outline:hover { background: var(--border-gold); border-color: var(--gold); }
.btn--sm { font-size: 0.78rem; padding: 0.6rem 1.25rem; }

/* ── Footer ── */
footer {
  background: var(--footer-bg);
  border-top: 1px solid var(--border-gold);
  padding: clamp(3rem, 6vw, 5rem) clamp(1.5rem, 5vw, 3rem) 2rem;
  color: var(--text-dim);
  font-family: var(--font-ui);
  transition: background 0.3s ease;
}
.footer__grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer__brand-name { font-family: var(--font-display); font-size: 1.4rem; color: var(--text); margin-bottom: 0.5rem; }
.footer__logo-wrap { margin-bottom: 0.75rem; }
.footer__logo-img {
  height: 60px;
  width: auto;
  display: block;
  object-fit: contain;
  transition: opacity 0.3s ease;
}
.footer__tagline { font-style: italic; color: var(--gold); font-size: 0.95rem; margin-bottom: 1rem; }
.footer__desc { font-size: 0.9rem; line-height: 1.7; color: var(--text-muted); max-width: 32ch; }
.footer__heading { font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold); margin-bottom: 1rem; }
.footer__link-list li { margin-bottom: 0.5rem; }
.footer__link { font-size: 0.9rem; color: var(--text-muted); transition: color var(--transition); }
.footer__link:hover { color: var(--text); }
.footer__bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ── Toast ── */
.toast {
  position: fixed;
  bottom: 2rem; right: 2rem;
  background: var(--bg-light);
  border: 1px solid var(--gold);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 0.875rem;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  z-index: 9000;
  transform: translateY(120%);
  opacity: 0;
  transition: transform 0.35s ease, opacity 0.35s ease;
  max-width: 320px;
}
.toast.show { transform: translateY(0); opacity: 1; }

/* ── Utility ── */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__hamburger { display: flex; }
  .nav__mobile-menu { display: flex; }
  .footer__grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer__desc { max-width: 100%; }
  .footer__bottom { flex-direction: column; text-align: center; }
}

:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }