:root {
  --bg: #f8fafc;
  --bg2: #e2e8f0;
  --bg3: #cbd5e1;
  --accent: #0ea5e9;
  --accent-dim: #0284c7;
  --accent-light: #e0f2fe;
  --text: #1e293b;
  --text-muted: #64748b;
  --white: #ffffff;
  --radius: 12px;
  --font: system-ui, -apple-system, sans-serif;
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  max-width: 100vw;
}

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 16px;
}

/* Header */
.site-head {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--bg2);
  backdrop-filter: blur(8px);
}

.head-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 14px 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}

.brand .accent {
  color: var(--accent);
}

.brand-mark {
  width: 32px;
  height: 32px;
}

nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

nav a:hover,
nav a.active {
  color: var(--accent);
  font-weight: 600;
}

/* Burger */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: 0.3s;
}

.nav-toggle {
  display: none;
}

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

  nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 16px 24px;
    border-bottom: 1px solid var(--bg2);
    gap: 12px;
  }

  .nav-toggle:checked ~ .head-row nav {
    display: flex;
  }

  .nav-toggle:checked ~ .head-row .burger span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .nav-toggle:checked ~ .head-row .burger span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle:checked ~ .head-row .burger span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
}

/* Hero */
.hero {
  padding: 80px 0 60px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-copy .eyebrow {
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.hero-copy h1 {
  font-size: 3rem;
  line-height: 1.1;
  margin-bottom: 16px;
  color: var(--text);
}

.hero-copy .lede {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-art {
  display: flex;
  justify-content: center;
}

.hero-art svg {
  max-width: 100%;
  height: auto;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: background 0.2s, transform 0.1s;
}

.btn {
  background: var(--accent);
  color: var(--white);
}

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

.btn:active {
  transform: scale(0.98);
}

.btn.ghost {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}

.btn.ghost:hover {
  background: var(--accent-light);
}

/* Sections */
section {
  padding: 64px 0;
}

section .eyebrow {
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

section h2 {
  font-size: 2rem;
  color: var(--text);
  margin-bottom: 32px;
}

.band {
  background: var(--bg2);
  border-top: 1px solid var(--bg3);
  border-bottom: 1px solid var(--bg3);
}

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.card {
  background: var(--white);
  border: 1px solid var(--bg2);
  border-radius: var(--radius);
  padding: 24px;
}

.card .badge {
  width: 40px;
  height: 40px;
  margin-bottom: 16px;
}

.card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--text);
}

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

/* Stats */
.facts {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 16px;
}

.fact {
  text-align: center;
}

.fact strong {
  display: block;
  font-size: 1.5rem;
  color: var(--accent);
}

.fact span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Team */
.trainers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
}

.trainer-card {
  text-align: center;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--bg2);
  border-radius: var(--radius);
}

.trainer-card .avatar {
  width: 80px;
  height: 80px;
  margin: 0 auto 16px;
}

.trainer-card h3 {
  font-size: 1rem;
  color: var(--text);
  margin-bottom: 4px;
}

.trainer-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Forms */
.form-grid {
  max-width: 600px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 10px 12px;
  background: var(--white);
  border: 1px solid var(--bg3);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
}

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

.form-submit {
  display: inline-block;
  padding: 12px 24px;
  background: var(--accent);
  color: var(--white);
  border: none;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
}

.form-submit:hover {
  background: var(--accent-dim);
}

.form-confirmation {
  display: none;
  padding: 16px;
  background: var(--accent-light);
  border-radius: var(--radius);
  color: var(--accent-dim);
  font-weight: 600;
}

.form-submit + .form-confirmation {
  display: none;
}

.form-group:has(input[value="sent"]) + .form-confirmation {
  display: block;
}

.form-group:has(input[value="sent"]) ~ .form-submit {
  display: none;
}

/* CTA */
.cta {
  text-align: center;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg2) 100%);
  padding: 80px 0;
}

.cta h2 {
  margin-bottom: 12px;
}

.cta .lede {
  color: var(--text-muted);
  margin-bottom: 24px;
}

.cta-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

/* Footer */
.site-foot {
  background: var(--bg2);
  border-top: 1px solid var(--bg3);
  padding: 32px 0;
  text-align: center;
}

.foot-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.brand.small {
  font-size: 0.9rem;
}

.concept {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .hero-copy h1 {
    font-size: 2rem;
  }

  .hero-copy .lede {
    font-size: 1rem;
  }

  .hero-art {
    order: -1;
  }

  .facts {
    flex-direction: column;
    gap: 12px;
  }

  .form-grid {
    padding: 0;
  }

  section {
    padding: 48px 0;
  }
}