/* ==========================================================================
   SAGT SOLUTIONS — DESIGN SYSTEM CINÉMATIQUE INSPIRÉ DE SEASATS.COM
   Esthétique : Full-Bleed Photography, Cadrage HUD, Parallaxe & Scroll Fluide
   Palette : #061526 (Nuit Abidjan) • #0A2540 (Bleu SAGT) • #00C4B4 (Cyan S-Flux)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Plus+Jakarta+Sans:wght@600;700;800&display=swap');

:root {
  --sagt-cyan: #00C4B4;
  --sagt-cyan-bright: #2CE6D6;
  --sagt-cyan-soft: rgba(0, 196, 180, 0.16);
  --sagt-cyan-border: rgba(0, 196, 180, 0.45);
  --sagt-navy: #0A2540;
  --sagt-dark: #050E1A;

  --bg-main: #050E1A;
  --bg-glass: rgba(6, 21, 38, 0.72);
  --bg-glass-heavy: rgba(6, 21, 38, 0.88);
  --text-main: #FFFFFF;
  --text-soft: rgba(255, 255, 255, 0.82);
  --text-muted: rgba(255, 255, 255, 0.58);

  --border-frame: rgba(255, 255, 255, 0.16);
  --font-title: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Inter', sans-serif;

  --ease-cinematic: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-main);
  color: var(--text-main);
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.55;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Curseur Halo Cinématique (Style Seasats) */
.cursor-glow {
  position: fixed;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 196, 180, 0.14) 0%, transparent 70%);
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: 9998;
  transition: width 0.3s ease, height 0.3s ease;
}

/* Coins colorés Cyan sur l'unique rectangle arrondi du Hero */
.hud-corner {
  position: absolute;
  width: 24px;
  height: 24px;
  border-color: var(--sagt-cyan);
  border-style: solid;
  z-index: 10;
  pointer-events: none;
}
.hud-corner.tl { top: 0; left: 0; border-width: 2px 0 0 2px; border-top-left-radius: 22px; }
.hud-corner.tr { top: 0; right: 0; border-width: 2px 2px 0 0; border-top-right-radius: 22px; }
.hud-corner.bl { bottom: 0; left: 0; border-width: 0 0 2px 2px; border-bottom-left-radius: 22px; }
.hud-corner.br { bottom: 0; right: 0; border-width: 0 2px 2px 0; border-bottom-right-radius: 22px; }

/* Barre de progression de lecture latérale (Style Seasats) */
.scroll-progress-rail {
  position: fixed;
  right: 32px;
  top: 50%;
  transform: translateY(-50%);
  height: 140px;
  width: 3px;
  background: rgba(255, 255, 255, 0.14);
  border-radius: 4px;
  z-index: 950;
  overflow: hidden;
}

.scroll-progress-bar {
  width: 100%;
  height: 0%;
  background: var(--sagt-cyan);
  box-shadow: 0 0 12px var(--sagt-cyan);
  transition: height 0.1s linear;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
  z-index: 3;
}

/* Typographie Cinématique Grand Format */
.eyebrow-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(6, 21, 38, 0.75);
  backdrop-filter: blur(12px);
  border: 1px solid var(--sagt-cyan-border);
  color: var(--sagt-cyan);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 8px 18px;
  border-radius: 999px;
  margin-bottom: 22px;
}

.eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--sagt-cyan);
  box-shadow: 0 0 10px var(--sagt-cyan);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.6; }
}

.display-title {
  font-family: var(--font-title);
  font-size: clamp(1.95rem, 3.5vw, 3.1rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.025em;
}

.section-title {
  font-family: var(--font-title);
  font-size: clamp(2rem, 3.8vw, 3.2rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.025em;
}

.text-cyan {
  color: var(--sagt-cyan);
}

/* Boutons Cinématiques avec Magnétisme & Reflet */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-family: var(--font-title);
  font-size: 0.96rem;
  font-weight: 700;
  padding: 16px 30px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition: transform 0.35s var(--ease-spring), box-shadow 0.35s var(--ease-cinematic), background-color 0.25s ease;
}

.btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: -120%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.45), transparent);
  transform: skewX(-22deg);
  transition: left 0.65s var(--ease-cinematic);
}

.btn:hover::after {
  left: 140%;
}

.btn-primary {
  background: var(--sagt-cyan);
  color: #050E1A;
  box-shadow: 0 12px 35px rgba(0, 196, 180, 0.35);
}

.btn-primary:hover {
  background: var(--sagt-cyan-bright);
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 18px 45px rgba(0, 196, 180, 0.5);
}

.btn-glass {
  background: rgba(6, 21, 38, 0.68);
  backdrop-filter: blur(14px);
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.24);
}

.btn-glass:hover {
  border-color: var(--sagt-cyan);
  color: var(--sagt-cyan);
  transform: translateY(-4px);
}

@media (max-width: 768px) {
  .viewport-hud-frame,
  .scroll-progress-rail,
  .cursor-glow {
    display: none;
  }
  .container {
    padding: 0 20px;
  }
}