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

html { scroll-behavior: smooth; }

body {
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

section { padding: 7rem 0; }

h1, h2, h3, h4 { font-family: var(--font-heading); letter-spacing: 0.04em; }

a { color: var(--color-accent); text-decoration: none; transition: var(--transition); }

img { display: block; width: 100%; object-fit: cover; }

/* NAV */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.4rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  color: var(--color-accent);
  letter-spacing: 0.08em;
}

.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a { color: var(--color-text-primary); font-size: 0.9rem; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; }
.nav-links a:hover { color: var(--color-accent); }

/* HERO */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: url('https://images.unsplash.com/photo-1571019613454-1cb2f99b2d8b?w=1800&auto=format&fit=crop') center/cover no-repeat;
  transform: scale(1.08);
  transition: transform 0.1s;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,10,10,0.88) 0%, rgba(10,10,10,0.5) 60%, rgba(10,10,10,0.75) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1.2rem;
  opacity: 0;
}

.hero h1 {
  font-size: clamp(3.5rem, 8vw, 7rem);
  line-height: 0.95;
  color: #fff;
  margin-bottom: 1.5rem;
  opacity: 0;
}

.hero h1 span { color: var(--color-accent); }

.hero-sub {
  font-size: 1.15rem;
  color: rgba(240,240,240,0.8);
  max-width: 500px;
  margin-bottom: 2.5rem;
  opacity: 0;
}

.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; opacity: 0; }

.btn-primary {
  background: var(--color-accent);
  color: #000;
  font-family: var(--font-heading);
  font-size: 1rem;
  letter-spacing: 0.1em;
  padding: 1rem 2.5rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  display: inline-block;
}

.btn-primary:hover { background: #fff; color: #000; transform: translateY(-2px); }

.btn-outline {
  border: 1.5px solid var(--color-accent);
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-size: 1rem;
  letter-spacing: 0.1em;
  padding: 1rem 2.5rem;
  background: transparent;
  cursor: pointer;
  transition: var(--transition);
  display: inline-block;
}

.btn-outline:hover { background: var(--color-accent-dim); }

/* STATS BAR */
.stats-bar {
  background: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 2.5rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  color: var(--color-accent);
  line-height: 1;
  display: block;
}

.stat-label {
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: 0.4rem;
}

/* SERVICES */
.services { background: var(--color-bg-secondary); }

.section-header { text-align: center; margin-bottom: 4rem; }
.section-eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
  display: block;
}

.section-header h2 { font-size: clamp(2.5rem, 5vw, 4rem); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: 2.5rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 0;
  background: var(--color-accent);
  transition: height 0.4s ease;
}

.service-card:hover::before { height: 100%; }
.service-card:hover { border-color: var(--color-accent); transform: translateY(-4px); }

.service-icon { font-size: 2.5rem; margin-bottom: 1.2rem; }
.service-card h3 { font-size: 1.6rem; margin-bottom: 0.8rem; color: var(--color-accent); }
.service-card p { color: var(--color-text-muted); font-size: 0.95rem; line-height: 1.7; }

/* TRANSFORMATION */
.transformation { background: var(--color-bg-primary); }

.transform-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.transform-image-wrap {
  position: relative;
  height: 550px;
  overflow: hidden;
}

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

.transform-image-wrap:hover img { transform: scale(1.04); }

.transform-accent-bar {
  position: absolute;
  bottom: 0; left: 0;
  width: 60%; height: 4px;
  background: var(--color-accent);
}

.transform-content h2 { font-size: clamp(2.2rem, 4vw, 3.5rem); margin-bottom: 1.5rem; line-height: 1; }
.transform-content p { color: var(--color-text-muted); margin-bottom: 1.5rem; line-height: 1.8; }

.checklist { list-style: none; margin-bottom: 2.5rem; }
.checklist li {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 0.8rem;
  font-size: 0.95rem;
}

.checklist li::before {
  content: '✓';
  color: var(--color-accent);
  font-weight: 700;
  font-size: 1.1rem;
}

/* TRAINER PROFILE */
.trainer { background: var(--color-bg-secondary); }

.trainer-card {
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: 5rem;
  align-items: center;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: 3rem;
}

.trainer-img-wrap { position: relative; height: 500px; overflow: hidden; }
.trainer-img-wrap img { height: 100%; object-fit: cover; }
.trainer-badge {
  position: absolute;
  bottom: 1.5rem; right: 1.5rem;
  background: var(--color-accent);
  color: #000;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  padding: 0.5rem 1rem;
}

.trainer-content h3 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 0.5rem; }
.trainer-content .trainer-title { color: var(--color-accent); font-size: 0.85rem; letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 1.5rem; display: block; }
.trainer-content p { color: var(--color-text-muted); line-height: 1.8; margin-bottom: 1rem; }
.trainer-certs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.5rem;
}
.cert-tag {
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  padding: 0.4rem 0.8rem;
  text-transform: uppercase;
}

/* TESTIMONIALS */
.testimonials { background: var(--color-bg-primary); }

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.testimonial-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: 2.5rem;
  position: relative;
}

.quote-mark {
  font-family: var(--font-heading);
  font-size: 5rem;
  color: var(--color-accent-dim);
  line-height: 0.5;
  margin-bottom: 1rem;
}

.testimonial-text { color: var(--color-text-muted); line-height: 1.8; margin-bottom: 1.5rem; font-style: italic; }
.testimonial-author { font-weight: 600; color: var(--color-text-primary); font-size: 0.9rem; }
.testimonial-result { color: var(--color-accent); font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; margin-top: 0.2rem; }

/* CTA STRIP */
.cta-strip {
  background: var(--color-accent);
  padding: 5rem 0;
  text-align: center;
}

.cta-strip h2 { font-family: var(--font-heading); font-size: clamp(2.5rem, 5vw, 4.5rem); color: #000; margin-bottom: 0.5rem; }
.cta-strip p { color: rgba(0,0,0,0.7); margin-bottom: 2rem; font-size: 1.1rem; }
.btn-dark {
  background: #000;
  color: #fff;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  letter-spacing: 0.1em;
  padding: 1.1rem 3rem;
  display: inline-block;
  transition: var(--transition);
}
.btn-dark:hover { background: #111; transform: translateY(-2px); }

/* CONTACT */
.contact { background: var(--color-bg-secondary); }
.contact-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
}

.contact-info h2 { font-size: clamp(2rem, 4vw, 3.5rem); margin-bottom: 1.5rem; }
.contact-info p { color: var(--color-text-muted); margin-bottom: 2rem; }
.contact-details { list-style: none; }
.contact-details li { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.2rem; color: var(--color-text-muted); }
.contact-details .detail-icon { color: var(--color-accent); font-size: 1.2rem; width: 24px; }

.contact-form { display: flex; flex-direction: column; gap: 1.2rem; }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  padding: 1rem 1.2rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--color-accent); }
.form-group textarea { resize: vertical; min-height: 140px; }
.form-group select option { background: var(--color-bg-card); }

/* FOOTER */
footer {
  background: var(--color-bg-primary);
  border-top: 1px solid var(--color-border);
  padding: 2rem;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.8rem;
}

footer a { color: var(--color-text-muted); }
footer a:hover { color: var(--color-accent); }

/* RESPONSIVE */
@media (max-width: 900px) {
  .transform-split, .trainer-card, .contact-split { grid-template-columns: 1fr; gap: 3rem; }
  .trainer-card { padding: 2rem; }
  .trainer-img-wrap { height: 350px; }
  .stats-grid { grid-template-columns: repeat(3, 1fr); gap: 1rem; }
}

@media (max-width: 600px) {
  .nav-links { display: none; }
  .stats-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 3rem; }
}