/* ============================================
   ERWANN TOWAFOTSO — GLOBAL STYLES
   Dark Athletic Aesthetic
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

/* ---- Variables ---- */
:root {
  --bg-primary: #080808;
  --bg-secondary: #101010;
  --bg-card: #161616;
  --bg-card-hover: #1e1e1e;
  --accent: #E5322D;
  --accent-dark: #C0241F;
  --accent-glow: rgba(229, 50, 45, 0.15);
  --text-primary: #FFFFFF;
  --text-secondary: #A3A3A3;
  --text-muted: #666666;
  --border: #252525;
  --border-accent: #E5322D;
  --nav-height: 70px;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ---- Typography ---- */
h1, h2, h3, h4 {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
h1 { font-size: clamp(2.5rem, 8vw, 6rem); }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.75rem); }

/* ---- Utility ---- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.accent { color: var(--accent); }
.section-label {
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
  display: block;
}
.divider { width: 60px; height: 3px; background: var(--accent); margin: 1rem 0; }

/* ---- Navigation ---- */
#main-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  z-index: 1000;
  background: rgba(8, 8, 8, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.nav-logo {
  font-family: 'Oswald', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.nav-logo span { color: var(--accent); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.nav-links a {
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  padding: 0.5rem 0.9rem;
  border-radius: 4px;
  transition: color 0.2s, background 0.2s;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--text-primary);
  background: rgba(255,255,255,0.05);
}
.nav-links a.nav-cta {
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.4rem 1rem;
}
.nav-links a.nav-cta:hover {
  background: var(--accent);
  color: #fff;
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s;
}
.nav-mobile {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0; right: 0;
  background: rgba(8, 8, 8, 0.98);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem 1.5rem;
  z-index: 999;
  flex-direction: column;
  gap: 0.25rem;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s;
}
.nav-mobile a:hover, .nav-mobile a.active { color: var(--accent); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.85rem 2rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(229, 50, 45, 0.3);
}
.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}
.btn-ghost {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}
.btn-ghost:hover {
  background: var(--accent);
  color: #fff;
}

/* ---- Page header ---- */
.page-header {
  padding: calc(var(--nav-height) + 4rem) 0 3rem;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border);
}
.page-header h1 { font-size: clamp(2rem, 5vw, 3.5rem); margin-bottom: 0.75rem; }
.page-header p { color: var(--text-secondary); font-size: 1.05rem; max-width: 600px; }

/* ---- Cards ---- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(229, 50, 45, 0.1);
}

/* ---- Footer ---- */
#main-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 3rem 0 2rem;
  margin-top: auto;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: start;
}
.footer-brand .nav-logo { font-size: 1.1rem; margin-bottom: 0.5rem; }
.footer-brand p { color: var(--text-muted); font-size: 0.85rem; max-width: 300px; }
.footer-social { display: flex; gap: 1rem; align-items: center; }
.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  color: var(--text-secondary);
}
.social-icon:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  transform: translateY(-2px);
}
.social-icon svg { width: 18px; height: 18px; fill: currentColor; }
.footer-bottom {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* ---- Grid layouts ---- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }

/* ---- Form styles ---- */
.form-group { margin-bottom: 1.5rem; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}
.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  padding: 0.9rem 1rem;
  border-radius: 6px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }
.form-group textarea { min-height: 120px; }

/* ---- Animations ---- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-in { animation: fadeInUp 0.6s ease forwards; }
.delay-1 { animation-delay: 0.1s; opacity: 0; }
.delay-2 { animation-delay: 0.2s; opacity: 0; }
.delay-3 { animation-delay: 0.3s; opacity: 0; }
.delay-4 { animation-delay: 0.4s; opacity: 0; }

/* ---- Tags ---- */
.tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.25rem 0.65rem;
  border-radius: 3px;
  background: rgba(229, 50, 45, 0.12);
  color: var(--accent);
  border: 1px solid rgba(229, 50, 45, 0.3);
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-social { margin-top: 1rem; }
}
@media (max-width: 480px) {
  .container { padding: 0 1rem; }
  .btn { padding: 0.75rem 1.5rem; font-size: 0.85rem; }
}