/* Landing AubePhotos — minimaliste, deux themes blanc / noir.
   Le theme suit prefers-color-scheme par defaut, ou data-theme si choisi. */

:root,
[data-theme="light"] {
  --bg: #ffffff;
  --bg-2: #fafafa;
  --bg-3: #f4f4f4;
  --fg: #000000;
  --fg-soft: #5a5a5a;
  --fg-mute: #9a9a9a;
  --line: rgba(0, 0, 0, 0.08);
  --line-strong: rgba(0, 0, 0, 0.15);
  --accent: #000000;
  --accent-fg: #ffffff;
  color-scheme: light;
}

[data-theme="dark"] {
  --bg: #000000;
  --bg-2: #0a0a0a;
  --bg-3: #161616;
  --fg: #ffffff;
  --fg-soft: #a8a8a8;
  --fg-mute: #6b6b6b;
  --line: rgba(255, 255, 255, 0.10);
  --line-strong: rgba(255, 255, 255, 0.18);
  --accent: #ffffff;
  --accent-fg: #000000;
  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --bg: #000000;
    --bg-2: #0a0a0a;
    --bg-3: #161616;
    --fg: #ffffff;
    --fg-soft: #a8a8a8;
    --fg-mute: #6b6b6b;
    --line: rgba(255, 255, 255, 0.10);
    --line-strong: rgba(255, 255, 255, 0.18);
    --accent: #ffffff;
    --accent-fg: #000000;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', system-ui, sans-serif;
  color: var(--fg);
  background: var(--bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: 'cv11', 'ss01';
  transition: background 0.15s, color 0.15s;
}

a { color: var(--fg); text-decoration: none; }
a:hover { color: var(--fg); text-decoration: underline; text-underline-offset: 4px; }

/* ============ NAV ============ */
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 32px;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(1.2);
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.005em;
}
.brand img { color: var(--fg); }
.nav nav { display: flex; align-items: center; gap: 28px; }
.nav nav a { font-size: 13.5px; color: var(--fg-soft); }
.nav nav a:hover { color: var(--fg); text-decoration: none; }
.btn-cta {
  background: var(--accent);
  color: var(--accent-fg);
  padding: 9px 18px;
  border-radius: 4px;
  font-weight: 500;
  font-size: 13.5px;
  transition: opacity 0.15s;
}
.btn-cta:hover { opacity: 0.85; text-decoration: none; }
.btn-ghost {
  border: 1px solid var(--line-strong);
  padding: 9px 18px;
  border-radius: 4px;
  font-weight: 500;
  font-size: 13.5px;
  transition: border 0.15s, background 0.15s;
}
.btn-ghost:hover { border-color: var(--fg); text-decoration: none; }
.btn-cta.lg, .btn-ghost.lg { padding: 14px 28px; font-size: 15px; }

/* Theme toggle dans la nav */
.theme-toggle-nav {
  background: transparent;
  border: 0;
  cursor: pointer;
  padding: 8px;
  border-radius: 999px;
  color: var(--fg-soft);
  display: inline-flex; align-items: center; justify-content: center;
  transition: background 0.12s, color 0.12s;
}
.theme-toggle-nav:hover { background: var(--bg-3); color: var(--fg); }
.theme-toggle-nav .icon-sun { display: inline-flex; }
.theme-toggle-nav .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle-nav .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle-nav .icon-moon { display: inline-flex; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .theme-toggle-nav .icon-sun { display: none; }
  :root:not([data-theme]) .theme-toggle-nav .icon-moon { display: inline-flex; }
}

/* ============ HERO ============ */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding: 88px 48px 64px;
  max-width: 1280px;
  margin: 0 auto;
}
.eyebrow {
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-mute);
  margin: 0 0 20px;
}
.hero h1 {
  font-weight: 200;
  font-size: clamp(46px, 6vw, 80px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin: 0 0 22px;
}
.hero h1 em {
  font-style: normal;
  font-weight: 500;
}
.lede {
  font-size: 18px;
  color: var(--fg-soft);
  max-width: 540px;
  margin: 0 0 32px;
  line-height: 1.55;
}
.cta-row { display: flex; gap: 10px; margin-bottom: 18px; flex-wrap: wrap; }
.micro {
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 11.5px;
  color: var(--fg-mute);
  letter-spacing: 0.02em;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 130px;
  gap: 4px;
}
.tile {
  border-radius: 2px;
  background: var(--bg-3);
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
/* "Photos" abstraites: gradients mono noir/blanc en intensites variables */
.tile.t1 { grid-row: span 2; background: linear-gradient(160deg, var(--bg-3), var(--fg) 200%); }
.tile.t2 { background: linear-gradient(40deg, var(--bg-2), var(--bg-3)); }
.tile.t3 { background: linear-gradient(220deg, var(--fg-mute), var(--bg-3)); }
.tile.t4 { background: linear-gradient(135deg, var(--bg-3), var(--fg-soft)); }
.tile.t5 {
  grid-column: span 2;
  background: linear-gradient(90deg, var(--bg-3), var(--fg-soft) 50%, var(--bg-3));
}
.tile.t6 { background: linear-gradient(20deg, var(--bg-2), var(--fg-mute)); }

/* ============ FEATURES ============ */
.features {
  background: var(--bg-2);
  padding: 96px 48px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.features h2 {
  font-weight: 200;
  font-size: clamp(32px, 4vw, 44px);
  letter-spacing: -0.02em;
  max-width: 900px;
  margin: 0 auto 56px;
  text-align: center;
}
.features h2 em { font-style: normal; font-weight: 500; }
.features .grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: 1180px;
  margin: 0 auto;
}
.features article {
  padding: 28px 0;
  border-top: 1px solid var(--line);
}
.features h3 {
  font-weight: 500;
  font-size: 18px;
  letter-spacing: -0.005em;
  margin: 0 0 8px;
  color: var(--fg);
}
.features p {
  margin: 0;
  color: var(--fg-soft);
  font-size: 14.5px;
  line-height: 1.55;
}

/* ============ PLANS ============ */
.plans { padding: 96px 48px; background: var(--bg); }
.plans h2 {
  font-weight: 200;
  font-size: clamp(32px, 4vw, 44px);
  letter-spacing: -0.02em;
  text-align: center;
  margin: 0 0 56px;
}
.plan-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  max-width: 1080px;
  margin: 0 auto;
}
.plan {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 32px;
  text-align: center;
  transition: border 0.15s;
}
.plan:hover { border-color: var(--fg); }
.plan.featured {
  border-color: var(--fg);
  position: relative;
}
.plan.featured::before {
  content: 'Recommande';
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
  position: absolute;
  top: -10px; left: 50%;
  transform: translateX(-50%);
  background: var(--fg);
  color: var(--bg);
  padding: 3px 12px;
  border-radius: 999px;
  text-transform: uppercase;
}
.plan h3 { font-weight: 500; font-size: 18px; margin: 0 0 18px; }
.plan .price { font-weight: 200; font-size: 38px; margin: 0; letter-spacing: -0.02em; }
.plan .price span { font-weight: 400; font-size: 14px; color: var(--fg-mute); margin-left: 4px; }
.plan .quota {
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  color: var(--fg-soft);
  font-size: 13px;
  margin: 6px 0 18px;
  letter-spacing: 0.02em;
}
.plan ul {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: left;
  font-size: 13.5px;
}
.plan ul li {
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  color: var(--fg-soft);
}
.plan ul li::before {
  content: '+ ';
  color: var(--fg-mute);
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
}
.plan ul li:last-child { border-bottom: 0; }
.footnote {
  text-align: center;
  color: var(--fg-mute);
  font-size: 12.5px;
  margin-top: 32px;
}

/* ============ SOVEREIGN ============ */
.sovereign {
  background: var(--fg);
  color: var(--bg);
  padding: 96px 48px;
}
.sovereign h2 {
  font-weight: 200;
  font-size: clamp(32px, 4vw, 44px);
  letter-spacing: -0.02em;
  text-align: center;
  margin: 0 0 56px;
}
.sovereign h2 em { font-style: normal; font-weight: 500; }
.bullets {
  list-style: none;
  padding: 0;
  max-width: 720px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}
.bullets li {
  padding: 18px 22px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 4px;
  font-size: 15px;
  line-height: 1.55;
}
[data-theme="dark"] .bullets li {
  border-color: rgba(0, 0, 0, 0.15);
}
.bullets strong { font-weight: 600; }

/* ============ FOOTER ============ */
footer {
  background: var(--bg-2);
  padding: 48px 48px 24px;
  border-top: 1px solid var(--line);
}
.cols {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  max-width: 1080px;
  margin: 0 auto 32px;
}
footer strong {
  display: block;
  font-weight: 500;
  font-size: 14px;
  margin-bottom: 12px;
  color: var(--fg);
}
footer p { color: var(--fg-soft); margin: 0; font-size: 13px; }
footer a {
  display: block;
  color: var(--fg-soft);
  font-size: 13px;
  padding: 4px 0;
}
footer a:hover { color: var(--fg); text-decoration: none; }
.copy {
  text-align: center;
  color: var(--fg-mute);
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 11px;
  border-top: 1px solid var(--line);
  padding-top: 20px;
  letter-spacing: 0.02em;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 880px) {
  .nav { padding: 14px 20px; }
  .nav nav { gap: 12px; }
  .nav nav a:not(.btn-cta):not(.btn-ghost):not(.theme-toggle-nav) { display: none; }
  .hero { grid-template-columns: 1fr; padding: 56px 24px; gap: 40px; }
  .hero-grid { grid-auto-rows: 90px; }
  .features .grid, .plan-grid, .cols { grid-template-columns: 1fr; }
  .features, .plans, .sovereign { padding: 56px 24px; }
}