/* 2C ITECH — Design System */

:root {
  --bg: #F6F4EF;
  --bg-elev: #FFFFFF;
  --bg-deep: #0A1E3F;
  --bg-deep-2: #07182F;
  --ink: #0E1320;
  --ink-2: #2B3245;
  --ink-3: #5B6379;
  --line: #E6E1D6;
  --line-strong: #C9C3B5;

  --accent: #FF6A1A;
  --accent-2: #FF8A47;
  --accent-soft: #FFE7D6;

  --premium: #0A1E3F;
  --premium-soft: #E5EAF4;

  --success: #1F8A5B;
  --warn: #B45309;
  --danger: #C0392B;

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 18px;
  --radius-xl: 28px;

  --shadow-sm: 0 1px 2px rgba(10,30,63,0.04), 0 1px 1px rgba(10,30,63,0.03);
  --shadow: 0 8px 24px -8px rgba(10,30,63,0.10), 0 2px 6px -2px rgba(10,30,63,0.06);
  --shadow-lg: 0 30px 60px -20px rgba(10,30,63,0.25), 0 10px 20px -10px rgba(10,30,63,0.10);

  --maxw: 1240px;
  --gut: clamp(20px, 4vw, 48px);

  --font-sans: "Geist", "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-serif: "Instrument Serif", "Times New Roman", Georgia, serif;
  --font-mono: "Geist Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
}

[data-theme="dark"] {
  --bg: #07101F;
  --bg-elev: #0E1B33;
  --bg-deep: #050B16;
  --bg-deep-2: #020611;
  --ink: #F4F1EA;
  --ink-2: #D5D2C9;
  --ink-3: #8C92A4;
  --line: #1A2740;
  --line-strong: #2A3A5C;
  --premium-soft: #122042;
  --accent-soft: #3A1F0E;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "cv11";
  letter-spacing: -0.01em;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-inline: var(--gut);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.eyebrow::before {
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
}
.h-display {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(44px, 6vw, 84px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 0;
}
.h-display em { font-style: italic; color: var(--accent); }
.h1 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(36px, 4.4vw, 60px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0;
}
.h2 {
  font-size: clamp(22px, 2.2vw, 30px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0;
}
.h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 0;
}
.lede {
  font-size: clamp(16px, 1.3vw, 19px);
  line-height: 1.55;
  color: var(--ink-2);
  max-width: 60ch;
  margin: 0;
}
.muted { color: var(--ink-3); }
.mono { font-family: var(--font-mono); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--accent);
  color: white;
  box-shadow: 0 8px 20px -6px rgba(255,106,26,0.45);
}
.btn-primary:hover { background: var(--accent-2); }
.btn-dark {
  background: var(--bg-deep);
  color: white;
}
.btn-dark:hover { background: var(--bg-deep-2); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}
.btn-ghost:hover { border-color: var(--ink); }
.btn-light {
  background: white;
  color: var(--bg-deep);
}
.btn-link {
  background: transparent;
  color: var(--ink);
  padding: 0;
  border-radius: 0;
  border-bottom: 1px solid var(--ink);
  font-size: 14px;
}
.btn .arrow {
  display: inline-block;
  transition: transform .2s ease;
}
.btn:hover .arrow { transform: translateX(3px); }

.card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.urgence-bar {
  background: var(--bg-deep);
  color: white;
  font-size: 13px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  overflow: hidden;
}
.urgence-bar.high {
  background: linear-gradient(90deg, #B83A0A 0%, #FF6A1A 50%, #B83A0A 100%);
  background-size: 200% 100%;
  animation: shimmer 6s linear infinite;
}
@keyframes shimmer { to { background-position: -200% 0; } }
.urgence-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px var(--gut);
  max-width: var(--maxw);
  margin: 0 auto;
  flex-wrap: wrap;
}
.urgence-bar .pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 var(--accent);
  animation: pulse 1.8s infinite;
}
.urgence-bar.high .pulse { background: white; box-shadow: 0 0 0 0 white; }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 currentColor; }
  70% { box-shadow: 0 0 0 8px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}
.urgence-countdown {
  display: inline-flex;
  gap: 6px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  margin-left: auto;
}
.urgence-countdown b {
  background: rgba(255,255,255,0.14);
  padding: 3px 7px;
  border-radius: 5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  font-size: 12px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246,244,239,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
[data-theme="dark"] .site-header { background: rgba(7,16,31,0.85); }
.header-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 14px var(--gut);
  max-width: var(--maxw);
  margin: 0 auto;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.02em;
}
.logo-mark {
  width: 30px; height: 30px;
  border-radius: 7px;
  background: var(--bg-deep);
  color: white;
  display: grid;
  place-items: center;
  font-family: var(--font-serif);
  font-size: 17px;
  position: relative;
  overflow: hidden;
}
.logo-mark::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, var(--accent) 0%, transparent 50%);
  opacity: 0.9;
}
.logo-mark span { position: relative; z-index: 1; }
.nav { display: flex; gap: 4px; margin-left: auto; }
.nav a {
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 14px;
  color: var(--ink-2);
  font-weight: 500;
}
.nav a:hover { background: var(--line); color: var(--ink); }
.nav a.active { background: var(--bg-deep); color: white; }
[data-theme="dark"] .nav a.active { background: var(--bg-elev); color: var(--ink); }
.header-cta { display: flex; gap: 8px; align-items: center; }
.header-phone {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-2);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
@media (max-width: 820px) {
  .nav { display: none; }
  .header-phone { display: none; }
}

.site-footer {
  background: var(--bg-deep);
  color: rgba(255,255,255,0.78);
  margin-top: 80px;
}
.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 64px var(--gut) 32px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
}
.site-footer h4 {
  font-size: 12px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.5);
  margin: 0 0 16px;
  font-weight: 500;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; font-size: 14px; }
.site-footer a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 18px var(--gut);
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  max-width: var(--maxw);
  margin: 0 auto;
  flex-wrap: wrap;
  gap: 12px;
}
@media (max-width: 720px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

section { padding: clamp(60px, 8vw, 120px) 0; }
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.section-head .text { max-width: 60ch; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  background: var(--premium-soft);
  color: var(--bg-deep);
}
[data-theme="dark"] .chip { color: white; }
.chip.accent { background: var(--accent-soft); color: var(--accent); }
.chip.live { background: rgba(31,138,91,0.12); color: var(--success); }
.chip.live::before {
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--success);
  animation: pulse 1.8s infinite;
}

input[type="text"], input[type="email"], input[type="tel"], select, textarea {
  width: 100%;
  padding: 13px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--line-strong);
  background: var(--bg-elev);
  color: var(--ink);
  font: inherit;
  font-size: 15px;
  transition: border-color .15s ease, box-shadow .15s ease;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--bg-deep);
  box-shadow: 0 0 0 3px rgba(10,30,63,0.10);
}
label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--ink-2);
}

.placeholder {
  background:
    repeating-linear-gradient(45deg, rgba(10,30,63,0.04) 0 8px, rgba(10,30,63,0.07) 8px 16px),
    var(--premium-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
  text-align: center;
  padding: 24px;
}

.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.row-tight { display: flex; gap: 4px; }
.spacer { flex: 1; }
.divider { height: 1px; background: var(--line); border: 0; margin: 0; }

.fade-in { animation: fade-in .5s ease both; }
@keyframes fade-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }