/* ===== EasyFly — global styles & design tokens ===== */

:root {
  /* Brand palette */
  --navy-900: #0a1f3c;
  --navy-800: #0d2847;
  --navy-700: #14365f;
  --navy-600: #1c477a;
  --blue-600: #2563c9;
  --blue-500: #2f6fd0;
  --blue-400: #5b8fe0;
  --sky-200: #d7e6fb;
  --sky-100: #eaf1fb;
  --sky-50:  #f4f7fc;

  --red-700: #c2202f;
  --red-600: #e02434;
  --red-500: #e63946;

  --gold:    #d9a441;

  --ink-900: #0c1726;
  --ink-700: #2b3a4f;
  --ink-500: #5a6b80;
  --ink-400: #8493a6;
  --line:    #e2e8f1;
  --paper:   #ffffff;
  --canvas:  #f4f7fc;

  /* Semantic — overridden per theme */
  --accent: var(--red-500);
  --accent-strong: var(--red-600);
  --brand: var(--navy-800);
  --brand-deep: var(--navy-900);
  --bg: var(--canvas);
  --card: var(--paper);
  --hero-from: var(--navy-900);
  --hero-to: var(--navy-700);
  --hero-ink: #ffffff;
  --hero-sub: rgba(255,255,255,0.72);

  --font-display: "Schibsted Grotesk", system-ui, sans-serif;
  --font-body: "Hanken Grotesk", system-ui, sans-serif;
  --font-mono: "Spline Sans Mono", ui-monospace, monospace;

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(13,40,71,0.06), 0 1px 3px rgba(13,40,71,0.10);
  --shadow: 0 8px 24px -10px rgba(13,40,71,0.22);
  --shadow-lg: 0 28px 60px -28px rgba(10,31,60,0.45);

  --gap: 16px;
  --pad-card: 22px;
  --maxw: 1180px;
}

/* ---- Theme: Dégradé profond ---- */
[data-theme="gradient"] {
  --hero-from: #0a1f3c;
  --hero-to: #2f6fd0;
  --brand: var(--navy-900);
}

/* ---- Theme: Clair & aéré ---- */
[data-theme="light"] {
  --hero-from: #eef4fd;
  --hero-to: #dbe8fb;
  --hero-ink: #0c1726;
  --hero-sub: rgba(12,23,38,0.62);
  --brand: var(--navy-800);
}

/* ---- Density ---- */
[data-density="compact"] { --pad-card: 16px; --gap: 12px; }
[data-density="comfy"]   { --pad-card: 28px; --gap: 22px; }

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink-900);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select { font-family: inherit; }
::selection { background: var(--accent); color: #fff; }

h1,h2,h3,h4 { font-family: var(--font-display); margin: 0; letter-spacing: -0.02em; }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

.app { min-height: 100vh; display: flex; flex-direction: column; }
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

/* ===== Top navigation ===== */
.nav {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in oklab, var(--card) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; gap: 28px; height: 68px; }
.nav-links { display: flex; gap: 26px; margin-left: 8px; }
.nav-links a {
  font-size: 14.5px; font-weight: 600; color: var(--ink-700);
  text-decoration: none; letter-spacing: -0.01em; transition: color .15s;
}
.nav-links a:hover { color: var(--accent); }
.nav-right { margin-left: auto; display: flex; align-items: center; gap: 14px; }

/* ===== Logo ===== */
.logo { display: flex; align-items: center; gap: 11px; cursor: pointer; }
.logo-mark {
  width: 38px; height: 38px; border-radius: 11px;
  background: linear-gradient(135deg, var(--navy-800), var(--blue-500));
  display: grid; place-items: center; box-shadow: var(--shadow-sm);
}
.logo-word { font-family: var(--font-display); font-weight: 800; font-size: 20px;
  letter-spacing: -0.03em; color: var(--brand); }
.logo-word .fly { color: var(--accent); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: var(--font-body); font-weight: 700; font-size: 15px;
  padding: 12px 20px; border-radius: var(--radius-sm);
  letter-spacing: -0.01em; transition: transform .12s, box-shadow .15s, background .15s, color .15s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 6px 18px -6px color-mix(in oklab, var(--accent) 70%, transparent); }
.btn-primary:hover { background: var(--accent-strong); }
.btn-navy { background: var(--navy-800); color: #fff; }
.btn-navy:hover { background: var(--navy-900); }
.btn-ghost { background: transparent; color: var(--ink-700); border: 1.5px solid var(--line); }
.btn-ghost:hover { border-color: var(--blue-400); color: var(--blue-600); }
.btn-lg { padding: 16px 30px; font-size: 16.5px; border-radius: var(--radius); }
.btn-block { width: 100%; }

.pill {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 12.5px; font-weight: 700; padding: 5px 11px; border-radius: 999px;
  letter-spacing: .01em;
}

/* ===== Generic card ===== */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }

/* fade/slide transitions for screens */
.screen-enter { animation: screenIn .45s cubic-bezier(.2,.7,.2,1) both; }
@keyframes screenIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.stagger > * { animation: riseIn .5s cubic-bezier(.2,.7,.2,1) both; }
@keyframes riseIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

@media (max-width: 720px) {
  .nav-links { display: none; }
  .wrap { padding: 0 18px; }
}