/* ============================================================
   MES SNIKERS — Style Luxe / Chic — Glassmorphism
   ============================================================ */

:root {
  --bg: #0b0b0f;
  --bg-soft: #121218;
  --glass: rgba(255, 255, 255, 0.06);
  --glass-border: rgba(255, 255, 255, 0.12);
  --gold: #d4af37;
  --gold-light: #f0d688;
  --text: #f5f3ee;
  --text-muted: #a8a4a0;
  --danger: #e5484d;
  --success: #3ecf8e;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Poppins', 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* fond décoratif aurora */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(60% 50% at 15% 10%, rgba(212, 175, 55, 0.14), transparent 60%),
    radial-gradient(50% 45% at 85% 20%, rgba(120, 90, 200, 0.12), transparent 60%),
    radial-gradient(55% 50% at 50% 90%, rgba(212, 175, 55, 0.08), transparent 60%),
    var(--bg);
}

h1, h2, h3, h4 {
  font-weight: 600;
  line-height: 1.2;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ============================ NAVBAR ============================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 18px 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.4s ease, padding 0.4s ease, box-shadow 0.4s ease;
  background: transparent;
}

.navbar.scrolled {
  background: rgba(11, 11, 15, 0.72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  padding: 12px 5%;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
  border-bottom: 1px solid var(--glass-border);
}

.logo {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--text);
}

.logo span {
  color: var(--gold);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
  list-style: none;
}

.nav-links a {
  position: relative;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  color: var(--text);
  transition: color 0.3s;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--gold);
  transition: width 0.35s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--gold-light);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  z-index: 1100;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--text);
  transition: all 0.3s ease;
}

.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================ HERO ============================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 5% 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.45;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 11, 15, 0.55) 0%, rgba(11, 11, 15, 0.85) 100%);
}

.hero-content {
  max-width: 820px;
}

.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  border-radius: 100px;
  border: 1px solid var(--gold);
  color: var(--gold-light);
  font-size: 0.8rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 26px;
  background: rgba(212, 175, 55, 0.08);
  backdrop-filter: blur(8px);
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  letter-spacing: -1px;
  margin-bottom: 22px;
}

.hero h1 span {
  background: linear-gradient(120deg, var(--gold), var(--gold-light));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto 36px;
}

.hero-actions {
  display: flex;
  gap: 18px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================ BOUTONS ============================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 34px;
  border-radius: 100px;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.35s ease;
  border: none;
}

.btn-gold {
  background: linear-gradient(120deg, var(--gold), var(--gold-light));
  color: #14100a;
}

.btn-gold:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(212, 175, 55, 0.35);
}

.btn-ghost {
  background: var(--glass);
  color: var(--text);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
}

.btn-ghost:hover {
  border-color: var(--gold);
  color: var(--gold-light);
  transform: translateY(-3px);
}

/* ============================ SECTIONS ============================ */

.section {
  padding: 100px 5%;
}

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 60px;
}

.section-head .eyebrow {
  display: inline-block;
  color: var(--gold);
  letter-spacing: 3px;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin-bottom: 14px;
}

.section-head h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 16px;
}

.section-head h2::after {
  content: '';
  display: block;
  width: 70px;
  height: 3px;
  background: var(--gold);
  margin: 20px auto 0;
  border-radius: 3px;
}

.section-head p {
  color: var(--text-muted);
  margin-top: 18px;
}

/* ============================ CARTES GLASS 3D ============================ */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.glass-card {
  position: relative;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 34px 28px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: transform 0.45s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.45s ease, border-color 0.45s ease;
  transform-style: preserve-3d;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 20%, rgba(212, 175, 55, 0.14), transparent 55%);
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
}

.glass-card:hover {
  transform: translateY(-10px) rotateX(4deg) rotateY(-3deg);
  box-shadow: var(--shadow);
  border-color: rgba(212, 175, 55, 0.4);
}

.glass-card:hover::before {
  opacity: 1;
}

.glass-card .icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: rgba(212, 175, 55, 0.14);
  margin-bottom: 20px;
}

.glass-card .icon svg {
  color: var(--gold);
}

.glass-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.glass-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ============================ GALERIE SNEAKERS ============================ */

.filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 44px;
}

.filter-btn {
  padding: 10px 22px;
  border-radius: 100px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--gold);
  color: #14100a;
  border-color: var(--gold);
}

.sneakers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.sneaker-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  overflow: hidden;
  backdrop-filter: blur(14px);
  transition: transform 0.45s ease, box-shadow 0.45s ease, border-color 0.45s ease;
}

.sneaker-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow);
  border-color: rgba(212, 175, 55, 0.4);
}

.sneaker-img {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
}

.sneaker-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.sneaker-card:hover .sneaker-img img {
  transform: scale(1.08);
}

.sneaker-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 6px 14px;
  border-radius: 100px;
  background: rgba(11, 11, 15, 0.7);
  backdrop-filter: blur(8px);
  color: var(--gold-light);
  font-size: 0.72rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.sneaker-info {
  padding: 22px;
}

.sneaker-info .brand {
  color: var(--gold);
  font-size: 0.78rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.sneaker-info h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.sneaker-info p {
  color: var(--text-muted);
  font-size: 0.88rem;
}

/* ============================ RÉASSURANCE ============================ */

.reassurance {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.reassurance-item {
  text-align: center;
  padding: 30px 20px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  backdrop-filter: blur(14px);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.reassurance-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.reassurance-item svg {
  color: var(--gold);
  margin-bottom: 16px;
}

.reassurance-item h4 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.reassurance-item p {
  color: var(--text-muted);
  font-size: 0.82rem;
}

/* ============================ CTA BANDEAU ============================ */

.cta-band {
  margin: 100px 5%;
  padding: 80px 5%;
  border-radius: 28px;
  text-align: center;
  background: linear-gradient(120deg, rgba(212, 175, 55, 0.18), rgba(212, 175, 55, 0.06));
  border: 1px solid rgba(212, 175, 55, 0.35);
  backdrop-filter: blur(16px);
}

.cta-band h2 {
  font-size: clamp(1.6rem, 4vw, 2.5rem);
  margin-bottom: 16px;
}

.cta-band p {
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 30px;
}

/* ============================ CONTACT ============================ */

.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
  align-items: start;
}

.contact-info-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 34px;
  backdrop-filter: blur(16px);
}

.contact-info-card h3 {
  font-size: 1.4rem;
  margin-bottom: 24px;
}

.contact-row {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 22px;
}

.contact-row svg {
  color: var(--gold);
  flex-shrink: 0;
  margin-top: 3px;
}

.contact-row h4 {
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.contact-row p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.contact-form {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 34px;
  backdrop-filter: blur(16px);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color 0.3s ease;
}

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

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.form-msg {
  display: none;
  padding: 14px 18px;
  border-radius: 12px;
  margin-top: 16px;
  font-size: 0.9rem;
}

.form-msg.success {
  display: block;
  background: rgba(62, 207, 142, 0.14);
  border: 1px solid var(--success);
  color: var(--success);
}

.form-msg.error {
  display: block;
  background: rgba(229, 72, 77, 0.14);
  border: 1px solid var(--danger);
  color: var(--danger);
}

.map-wrap {
  margin-top: 40px;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--glass-border);
}

.map-wrap iframe {
  width: 100%;
  height: 360px;
  border: 0;
  display: block;
}

/* ============================ FOOTER ============================ */

footer {
  background: rgba(8, 8, 12, 0.85);
  border-top: 1px solid var(--glass-border);
  padding: 60px 5% 30px;
  backdrop-filter: blur(18px);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand h3 {
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.footer-brand h3 span {
  color: var(--gold);
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 0.95rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 18px;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color 0.3s;
}

.footer-col a:hover {
  color: var(--gold-light);
}

.footer-bottom {
  border-top: 1px solid var(--glass-border);
  padding-top: 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.82rem;
}

/* ============================ ANIMATIONS ============================ */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
  animation: revealFallback 0.8s ease 0.3s forwards;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes revealFallback {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes floatUp {
  0% { opacity: 0; transform: translateY(20px); }
  100% { opacity: 1; transform: translateY(0); }
}

.hero .hero-content > * {
  animation: floatUp 0.9s ease both;
}

.hero .hero-content > *:nth-child(2) { animation-delay: 0.15s; }
.hero .hero-content > *:nth-child(3) { animation-delay: 0.3s; }
.hero .hero-content > *:nth-child(4) { animation-delay: 0.45s; }

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

@media (max-width: 1024px) {
  .cards-grid,
  .sneakers-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .reassurance {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-wrap {
    grid-template-columns: 1fr;
  }
}

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

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 75%;
    height: 100vh;
    flex-direction: column;
    justify-content: center;
    gap: 28px;
    background: rgba(11, 11, 15, 0.96);
    backdrop-filter: blur(20px);
    transition: right 0.4s ease;
    border-left: 1px solid var(--glass-border);
  }

  .nav-links.open {
    right: 0;
  }

  .cards-grid,
  .sneakers-grid {
    grid-template-columns: 1fr;
  }

  .reassurance {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }

  .section {
    padding: 70px 5%;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
}