/* ===== VARIABLES ===== */
:root {
  --navy: #0d1347;
  --navy-mid: #161d5e;
  --navy-light: #1e2770;
  --gold: #f0b429;
  --gold-light: #ffd166;
  --gold-dark: #c8941f;
  --white: #ffffff;
  --text-light: #c8d0f0;
  --text-muted: #8896c4;
  --border: rgba(240, 180, 41, 0.2);
  --card-bg: rgba(22, 29, 94, 0.6);
  --font-main: 'Inter', sans-serif;
  --font-head: 'Space Grotesk', sans-serif;
  --radius: 16px;
  --shadow: 0 20px 60px rgba(0, 0, 10, 0.4);
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  font-family: var(--font-main);
  background: var(--navy);
  color: var(--white);
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img, svg { max-width: 100%; }
input, select, textarea, button { -webkit-appearance: none; border-radius: 0; }

/* ===== CONTAINER ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 50px; font-weight: 600;
  font-size: 15px; cursor: pointer; transition: all 0.3s; border: none;
  font-family: var(--font-main);
}
.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--navy); box-shadow: 0 4px 24px rgba(240, 180, 41, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px); box-shadow: 0 8px 32px rgba(240, 180, 41, 0.5);
}
.btn-outline {
  background: transparent; color: var(--white);
  border: 2px solid rgba(255,255,255,0.3);
}
.btn-outline:hover {
  border-color: var(--gold); color: var(--gold);
  background: rgba(240, 180, 41, 0.05);
}
.btn-full { width: 100%; justify-content: center; }

/* ===== SECTION COMMON ===== */
.section-label {
  display: inline-block; font-size: 12px; font-weight: 600; letter-spacing: 3px;
  text-transform: uppercase; color: var(--gold); margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-head); font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700; line-height: 1.2; margin-bottom: 16px;
}
.section-desc { color: var(--text-light); font-size: 17px; max-width: 560px; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-header .section-desc { margin: 0 auto; }
.gold-text { color: var(--gold); }
.gradient-text {
  background: linear-gradient(135deg, var(--gold), #fff176);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 20px 0; transition: all 0.3s;
}
.navbar.scrolled {
  background: rgba(13, 19, 71, 0.95); backdrop-filter: blur(20px);
  padding: 14px 0; box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}
.nav-container {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; gap: 12px; }
.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-name { font-family: var(--font-head); font-size: 22px; font-weight: 700; color: var(--white); }
.logo-sub { font-size: 10px; font-weight: 600; letter-spacing: 4px; color: var(--gold); }
.nav-links { display: flex; align-items: center; gap: 36px; }
.nav-links a {
  color: var(--text-light); font-size: 14px; font-weight: 500;
  transition: color 0.3s; position: relative;
}
.nav-links a:hover { color: var(--white); }
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; right: 0;
  height: 2px; background: var(--gold); transform: scaleX(0); transition: transform 0.3s;
}
.nav-links a:hover::after { transform: scaleX(1); }
.nav-admin-btn {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark)) !important;
  color: var(--navy) !important; padding: 8px 20px; border-radius: 50px;
  font-weight: 700 !important;
}
.nav-admin-btn::after { display: none !important; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--white); transition: all 0.3s; }

/* ===== HERO ===== */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  position: relative; overflow: hidden; padding: 100px 24px 80px;
}
.hero-bg { position: absolute; inset: 0; }
#particleCanvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(240,180,41,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(240,180,41,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}
.hero-content {
  max-width: 1200px; margin: 0 auto; width: 100%;
  position: relative; z-index: 2;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(240,180,41,0.1); border: 1px solid rgba(240,180,41,0.3);
  color: var(--gold); padding: 8px 16px; border-radius: 50px;
  font-size: 12px; font-weight: 600; letter-spacing: 2px; text-transform: uppercase;
  margin-bottom: 24px;
}
.badge-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--gold);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}
.hero-title {
  font-family: var(--font-head); font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 800; line-height: 1.1; margin-bottom: 24px; letter-spacing: -1px;
}
.hero-desc {
  font-size: clamp(16px, 2vw, 19px); color: var(--text-light);
  max-width: 600px; margin-bottom: 40px; line-height: 1.7;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 64px; }
.hero-stats { display: flex; align-items: center; gap: 40px; flex-wrap: wrap; }
.stat-item { display: flex; flex-direction: column; }
.stat-num {
  font-family: var(--font-head); font-size: 2.8rem; font-weight: 800;
  color: var(--gold); line-height: 1;
}
.stat-plus { font-size: 1.8rem; color: var(--gold); font-weight: 700; }
.stat-label { font-size: 13px; color: var(--text-muted); margin-top: 4px; }
.stat-divider { width: 1px; height: 50px; background: var(--border); }
.hero-scroll {
  position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
  z-index: 2;
}
.scroll-indicator {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: var(--text-muted); font-size: 11px; letter-spacing: 2px; text-transform: uppercase;
}
.scroll-line {
  width: 2px; height: 40px; background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ===== SERVICES ===== */
.services { padding: 120px 0; }
.services-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px;
}
.service-card {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 36px; transition: all 0.4s; position: relative; overflow: hidden;
  backdrop-filter: blur(10px);
}
.service-card::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(240,180,41,0.08) 0%, transparent 60%);
  opacity: 0; transition: opacity 0.4s;
}
.service-card:hover { transform: translateY(-8px); border-color: rgba(240,180,41,0.5); }
.service-card:hover::before { opacity: 1; }
.service-card.featured {
  border-color: var(--gold); background: linear-gradient(135deg, rgba(240,180,41,0.1) 0%, var(--card-bg) 50%);
}
.service-badge {
  position: absolute; top: 20px; right: 20px;
  background: var(--gold); color: var(--navy); font-size: 11px;
  font-weight: 700; padding: 4px 12px; border-radius: 20px; letter-spacing: 1px;
}
.service-icon-wrap { margin-bottom: 24px; }
.service-icon {
  width: 60px; height: 60px; border-radius: 14px;
  background: rgba(240,180,41,0.1); border: 1px solid rgba(240,180,41,0.2);
  display: flex; align-items: center; justify-content: center; color: var(--gold);
}
.service-icon svg { width: 28px; height: 28px; stroke: var(--gold); fill: none; flex-shrink: 0; }
.service-card h3 { font-family: var(--font-head); font-size: 1.3rem; font-weight: 700; margin-bottom: 12px; }
.service-card p { color: var(--text-light); font-size: 14px; line-height: 1.7; margin-bottom: 20px; }
.service-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.service-tags li {
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
  padding: 4px 12px; border-radius: 20px; font-size: 12px; color: var(--text-muted);
}
.service-link { color: var(--gold); font-size: 14px; font-weight: 600; transition: gap 0.3s; }
.service-link:hover { letter-spacing: 0.5px; }

/* ===== ABOUT ===== */
.about { padding: 120px 0; background: linear-gradient(180deg, transparent, rgba(22,29,94,0.3) 50%, transparent); }
.about-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px; align-items: center; }
.about-visual { position: relative; }
.about-shape {
  position: absolute; border-radius: 50%; background: radial-gradient(circle, rgba(240,180,41,0.15), transparent);
}
.shape-1 { width: 400px; height: 400px; top: -50px; left: -50px; }
.shape-2 { width: 200px; height: 200px; bottom: 0; right: 20px; }
.about-card-main {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 20px;
  padding: 48px; text-align: center; position: relative; z-index: 1; backdrop-filter: blur(10px);
  display: flex; flex-direction: column; align-items: center; gap: 0;
}
.about-card-quote { margin-top: 24px; font-size: 18px; color: var(--gold); font-style: italic; font-weight: 500; }
.about-metric {
  margin-top: 28px; align-self: flex-end;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--navy); padding: 20px 28px; border-radius: 16px;
  box-shadow: 0 10px 40px rgba(240,180,41,0.4);
}
.metric-num { display: block; font-size: 2rem; font-weight: 800; font-family: var(--font-head); }
.metric-label { font-size: 12px; font-weight: 600; opacity: 0.8; }
.about-text { color: var(--text-light); font-size: 16px; line-height: 1.8; margin-bottom: 20px; }
.about-values { margin-top: 36px; display: flex; flex-direction: column; gap: 20px; }
.value-item { display: flex; gap: 16px; align-items: flex-start; }
.value-icon { color: var(--gold); font-size: 16px; margin-top: 4px; flex-shrink: 0; }
.value-item h4 { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.value-item p { color: var(--text-muted); font-size: 13px; }

/* ===== EXPERTISE ===== */
.expertise { padding: 120px 0; }
.tech-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 24px; }
.tech-category {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px;
}
.tech-category h4 {
  color: var(--gold); font-size: 12px; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase; margin-bottom: 16px;
}
.tech-list { display: flex; flex-wrap: wrap; gap: 8px; }
.tech-badge {
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
  padding: 6px 14px; border-radius: 20px; font-size: 13px; color: var(--text-light);
  transition: all 0.3s; cursor: default;
}
.tech-badge:hover { background: rgba(240,180,41,0.1); border-color: rgba(240,180,41,0.3); color: var(--gold); }

/* ===== PROCESS ===== */
.process { padding: 100px 0; }
.process-steps {
  display: flex; align-items: flex-start; gap: 0; flex-wrap: wrap;
}
.step {
  flex: 1; min-width: 200px; display: flex; flex-direction: column;
  align-items: flex-start; gap: 16px; position: relative; padding: 0 20px;
}
.step-num {
  font-family: var(--font-head); font-size: 3rem; font-weight: 900;
  color: rgba(240,180,41,0.2); line-height: 1;
}
.step-content h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.step-content p { color: var(--text-muted); font-size: 14px; line-height: 1.6; }
.step-arrow {
  position: absolute; right: -16px; top: 12px;
  font-size: 24px; color: var(--gold); font-weight: 300;
}

/* ===== CONTACT ===== */
.contact { padding: 120px 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 80px; align-items: start; }
.contact-desc { color: var(--text-light); font-size: 16px; line-height: 1.7; margin-bottom: 40px; }
.contact-details { display: flex; flex-direction: column; gap: 20px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: rgba(240,180,41,0.1); border: 1px solid rgba(240,180,41,0.2);
  display: flex; align-items: center; justify-content: center;
  color: var(--gold); font-size: 18px; flex-shrink: 0;
}
.contact-item strong { display: block; font-size: 13px; color: var(--text-muted); font-weight: 500; margin-bottom: 2px; }
.contact-item span { font-size: 15px; color: var(--white); }
.contact-form-wrap {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 20px; padding: 40px; backdrop-filter: blur(10px);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: var(--text-light); margin-bottom: 8px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px; padding: 12px 16px; color: var(--white); font-family: var(--font-main);
  font-size: 14px; transition: border-color 0.3s; outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--gold); background: rgba(240,180,41,0.05); }
.form-group select option { background: var(--navy-mid); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-success {
  display: none; margin-top: 16px; padding: 14px; border-radius: 10px;
  background: rgba(52, 211, 153, 0.1); border: 1px solid rgba(52,211,153,0.3);
  color: #34d399; font-size: 14px; text-align: center;
}
.form-success.visible { display: block; }

/* ===== FOOTER ===== */
.footer {
  background: rgba(10, 14, 53, 0.8); border-top: 1px solid var(--border);
  padding: 60px 0 30px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 60px; margin-bottom: 40px; }
.footer-brand .footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-brand p { color: var(--text-muted); font-size: 14px; line-height: 1.7; }
.footer-links h4 { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 2px; color: var(--gold); margin-bottom: 20px; }
.footer-links ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: var(--text-muted); font-size: 14px; transition: color 0.3s; }
.footer-links a:hover { color: var(--gold); }
.footer-bottom {
  border-top: 1px solid var(--border); padding-top: 24px;
  display: flex; justify-content: center; align-items: center;
  color: var(--text-muted); font-size: 13px; text-align: center;
}

/* ===== RESPONSIVE ===== */

/* Touch — désactiver effets hover */
@media (hover: none) and (pointer: coarse) {
  * { -webkit-tap-highlight-color: transparent; }
  .service-card:hover { transform: none; border-color: var(--border); }
  .tech-badge:hover { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.1); color: var(--text-light); }
  .btn-primary:hover { transform: none; }
}

/* ── Tablet large (≤ 1100px) ── */
@media (max-width: 1100px) {
  .about-grid { gap: 48px; }
  .contact-grid { gap: 48px; }
  .footer-grid { gap: 40px; }
}

/* ── Tablet (≤ 900px) ── */
@media (max-width: 900px) {
  .hero-title { font-size: clamp(2.4rem, 5.5vw, 3.6rem); }

  /* About */
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .shape-1 { width: 300px; height: 300px; }

  /* Contact */
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }

  /* Process */
  .process-steps { flex-direction: column; gap: 24px; }
  .step-arrow { display: none; }
  .step { min-width: unset; padding: 0; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}

/* ── Mobile (≤ 768px) ── */
@media (max-width: 768px) {
  .container { padding: 0 20px; }

  /* Navbar */
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute; top: 100%; left: 0; right: 0;
    background: rgba(8,12,50,.97);
    padding: 20px 24px;
    gap: 4px;
    backdrop-filter: blur(24px);
    border-bottom: 1px solid rgba(240,180,41,.15);
    box-shadow: 0 24px 48px rgba(0,0,0,.5);
    z-index: 999;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a {
    display: block;
    padding: 13px 8px;
    font-size: 16px;
    border-bottom: 1px solid rgba(255,255,255,.05);
    width: 100%;
  }
  .nav-links li:last-child a { border-bottom: none; }

  /* Hero */
  .hero { padding: 90px 20px 60px; min-height: 100svh; }
  .hero-title { font-size: clamp(2rem, 7vw, 2.8rem); letter-spacing: -0.5px; }
  .hero-desc { font-size: 15px; margin-bottom: 28px; max-width: 100%; }
  .hero-actions { gap: 12px; }
  .hero-actions .btn { padding: 13px 22px; font-size: 14px; }
  .hero-stats { gap: 20px; flex-wrap: wrap; }
  .stat-divider { display: none; }
  .stat-num { font-size: 2rem; }

  /* Sections */
  .services, .about, .expertise, .contact { padding: 72px 0; }
  .process { padding: 60px 0; }
  .section-header { margin-bottom: 40px; }
  .section-title { font-size: clamp(1.8rem, 5.5vw, 2.4rem); }
  .section-desc { font-size: 15px; }

  /* Services */
  .services-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .service-card { padding: 28px 22px; }

  /* About */
  .about-card-main { padding: 32px 24px; }
  .about-metric { padding: 14px 18px; margin-top: 20px; }
  .metric-num { font-size: 1.6rem; }

  /* Expertise grid override (inline style) */
  .tech-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 14px !important; }

  /* Process */
  .step-num { font-size: 2.2rem; }

  /* Contact */
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .contact-form-wrap { padding: 28px 20px; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .footer { padding: 52px 0 24px; }
}

/* ── Mobile portrait (≤ 480px) ── */
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero { padding: 82px 16px 52px; }
  .hero-title { font-size: clamp(1.85rem, 8vw, 2.4rem); }
  .hero-actions { flex-direction: column; gap: 10px; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-stats { gap: 16px; }

  .services-grid { grid-template-columns: 1fr; }
  .service-card { padding: 24px 18px; }
  .service-badge { top: 14px; right: 14px; font-size: 10px; }
  .service-icon { width: 52px; height: 52px; }
  .service-icon svg { width: 26px; height: 26px; }

  .tech-grid { grid-template-columns: 1fr 1fr !important; gap: 10px !important; }

  .about-card-main { padding: 28px 18px; }
  .about-card-quote { font-size: 15px; }
  .shape-1 { width: 200px; height: 200px; top: -20px; left: -30px; }
  .shape-2 { width: 120px; height: 120px; }

  .contact-form-wrap { padding: 22px 16px; }
  .contact-form-wrap .btn { width: 100%; justify-content: center; }
}

/* ── Petit mobile (≤ 380px) ── */
@media (max-width: 380px) {
  .container { padding: 0 12px; }
  .hero { padding: 76px 12px 48px; }
  .hero-title { font-size: clamp(1.65rem, 9vw, 2rem); }
  .hero-stats { flex-direction: column; align-items: flex-start; gap: 12px; }
  .stat-num { font-size: 1.8rem; }

  .tech-grid { grid-template-columns: 1fr !important; }

  .logo-name { font-size: 18px; }
  .logo-sub { font-size: 9px; }

  .section-title { font-size: clamp(1.6rem, 8vw, 1.9rem); }
  .service-card { padding: 20px 14px; }
  .contact-form-wrap { padding: 18px 12px; }
  .footer-grid { gap: 24px; }
}