/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #07090f;
  --bg2: #0d1117;
  --surface: #111827;
  --border: #1f2937;
  --accent: #00d4ff;
  --accent2: #6366f1;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --white: #ffffff;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,.4);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ===== NAVBAR ===== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(7, 9, 15, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background .3s;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.5px;
}
.logo span { color: var(--accent); }
.logo-img { height: 52px; width: auto; display: block; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: .95rem;
  font-weight: 500;
  color: var(--muted);
  transition: color .2s;
}
.nav-links a:hover { color: var(--white); }

.btn-nav {
  background: var(--accent);
  color: var(--bg) !important;
  padding: 8px 20px;
  border-radius: 8px;
  font-weight: 600 !important;
  transition: opacity .2s !important;
}
.btn-nav:hover { opacity: .85; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: .3s;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(0,212,255,.12) 0%, transparent 70%),
              radial-gradient(ellipse 50% 40% at 80% 80%, rgba(99,102,241,.1) 0%, transparent 60%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: center;
  padding-top: 100px;
  padding-bottom: 80px;
}

.hero-content {
  /* texte à gauche */
}

.hero-logo {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-logo-img {
  width: 100%;
  max-width: 300px;
  height: auto;
  filter: drop-shadow(0 0 32px rgba(0, 212, 255, 0.2));
}

.badge {
  display: inline-block;
  background: rgba(0,212,255,.1);
  border: 1px solid rgba(0,212,255,.3);
  color: var(--accent);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.hero-content h1 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
}
.hero-content h1 span { color: var(--accent); }

.hero-content > p {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 560px;
  margin-bottom: 36px;
}

.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }

.btn-primary {
  background: var(--accent);
  color: var(--bg);
  font-weight: 700;
  font-size: .95rem;
  padding: 14px 28px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: opacity .2s, transform .2s;
}
.btn-primary:hover { opacity: .88; transform: translateY(-1px); }

.btn-ghost {
  color: var(--text);
  font-weight: 600;
  font-size: .95rem;
  padding: 14px 24px;
  border-radius: 10px;
  border: 1px solid var(--border);
  transition: border-color .2s, color .2s;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ===== SECTION BASE ===== */
.section { padding: 96px 0; }

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-label {
  display: inline-block;
  color: var(--accent);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -1px;
  margin-bottom: 12px;
}

.section-header p {
  color: var(--muted);
  font-size: 1rem;
  max-width: 500px;
  margin: 0 auto;
}

/* ===== SERVICES ===== */
.services { background: var(--bg2); }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color .25s, transform .25s, box-shadow .25s;
}
.card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 0 24px rgba(0,212,255,.1);
}

.card-icon { font-size: 2rem; margin-bottom: 16px; }

.card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}

.card p { color: var(--muted); font-size: .92rem; }

/* ===== ABOUT ===== */
.about { background: var(--bg); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 64px;
  align-items: center;
}

.about-logo {
  display: flex;
  justify-content: center;
  align-items: center;
}

.about-logo-img {
  width: 100%;
  max-width: 280px;
  height: auto;
}

.about-visual {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about-stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 24px;
}

.about-stat span {
  display: block;
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 4px;
}

.about-stat small {
  color: var(--muted);
  font-size: .9rem;
}

.about-text h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.8px;
  margin: 12px 0 20px;
}

.about-text p {
  color: var(--muted);
  margin-bottom: 14px;
  font-size: .97rem;
}

.about-list {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.about-list li {
  color: var(--text);
  font-size: .95rem;
}

/* ===== CONTACT ===== */
.contact { background: var(--bg2); }

.contact-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: .85rem;
  font-weight: 600;
  color: var(--text);
}

.form-group input,
.form-group textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--text);
  font-family: inherit;
  font-size: .95rem;
  transition: border-color .2s;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: #4b5563; }

.form-success {
  display: none;
  color: #34d399;
  font-size: .9rem;
  font-weight: 500;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-top: 8px;
}

.info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.info-icon {
  font-size: 1.4rem;
  width: 44px;
  height: 44px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.info-item strong {
  display: block;
  color: var(--white);
  font-size: .95rem;
  margin-bottom: 2px;
}

.info-item p {
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.5;
}

/* ===== FOOTER ===== */
footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

footer p { color: var(--muted); font-size: .88rem; }

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: var(--muted);
  font-size: .88rem;
  transition: color .2s;
}
.footer-links a:hover { color: var(--accent); }

/* ===== ANIMATIONS ===== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hamburger { display: flex; }

  .nav-links {
    position: fixed;
    top: 68px; left: 0; right: 0;
    background: var(--bg2);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    transition: transform .3s;
  }
  .nav-links.open { transform: translateY(0); }

  .hero-inner { grid-template-columns: 1fr; }
  .hero-logo { display: none; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-logo-img { max-width: 180px; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; text-align: center; }
}