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

:root {
  --accent: #0d9488;
  --accent-dark: #0f766e;
  --accent-light: #f0fdfa;
  --dark: #0f172a;
  --dark-light: #1e293b;
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --text: #1e293b;
  --text-muted: #64748b;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
  --shadow-lg: 0 10px 15px rgba(0,0,0,.1), 0 4px 6px rgba(0,0,0,.05);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  line-height: 1.6;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── Nav ─── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: all .3s;
}

.nav.scrolled {
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  padding: 12px 0;
}

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

.nav-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  text-decoration: none;
  transition: color .3s;
}

.nav.scrolled .nav-logo {
  color: var(--dark);
}

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

.nav-links a {
  color: rgba(255,255,255,.85);
  text-decoration: none;
  font-size: .9rem;
  font-weight: 500;
  transition: color .3s;
}

.nav-links a:hover {
  color: var(--white);
}

.nav.scrolled .nav-links a {
  color: var(--gray-600);
}

.nav.scrolled .nav-links a:hover {
  color: var(--dark);
}

.nav.scrolled .nav-links .btn {
  color: var(--white);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all .3s;
}

.nav.scrolled .nav-toggle span {
  background: var(--dark);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  background: var(--accent);
  color: var(--white);
  border: 2px solid var(--accent);
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all .2s;
}

.btn:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
}

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

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

.btn-sm {
  padding: 8px 18px;
  font-size: .85rem;
}

.btn-lg {
  padding: 14px 32px;
  font-size: 1rem;
}

.btn-full {
  width: 100%;
  justify-content: center;
}

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

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

/* ─── Hero ─── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: url('hero.png') center/cover no-repeat;
  z-index: -1;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.45);
}

.hero-content {
  padding: 120px 24px 80px;
}

.hero-badge {
  display: inline-block;
  padding: 6px 20px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 100px;
  font-size: .85rem;
  font-weight: 500;
  letter-spacing: .02em;
  margin-bottom: 24px;
  backdrop-filter: blur(4px);
}

.hero h1 {
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: rgba(255,255,255,.8);
  margin-bottom: 40px;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero .btn-outline {
  color: var(--white);
  border-color: rgba(255,255,255,.4);
}

.hero .btn-outline:hover {
  background: rgba(255,255,255,.15);
  border-color: rgba(255,255,255,.6);
  color: var(--white);
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,.5);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ─── Logo accent ─── */
.logo-am {
  color: var(--accent);
  font-weight: 800;
}

.hero .logo-am,
.nav:not(.scrolled) .logo-am {
  color: #5eead4;
}

.section-cta .logo-am {
  color: #5eead4;
}

/* ─── Sections ─── */
.section {
  padding: 96px 0;
}

.section-alt {
  background: var(--gray-50);
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-desc {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 48px;
  max-width: 520px;
}

/* ─── Tournament Cards ─── */
.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow .3s, transform .3s;
  display: flex;
  flex-direction: column;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card-date {
  background: var(--dark);
  color: var(--white);
  padding: 24px;
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.card-day {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
}

.card-month {
  font-size: 1.25rem;
  font-weight: 600;
}

.card-weekday {
  margin-left: auto;
  font-size: .85rem;
  color: var(--gray-400);
  font-weight: 500;
}

.card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 16px;
}

.card-body .btn-full {
  margin-top: auto;
}

.card-body h3 {
  font-size: 1.35rem;
  font-weight: 700;
}

.card-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 62px;
  align-content: start;
}

.tag {
  padding: 4px 14px;
  background: var(--accent-light);
  color: var(--accent-dark);
  border-radius: 100px;
  font-size: .82rem;
  font-weight: 600;
}

.card-details {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.card-details li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--gray-600);
  font-size: .9rem;
}

.card-details svg {
  color: var(--gray-400);
  flex-shrink: 0;
}

/* ─── Camp ─── */
.camp-layout {
  display: grid;
  grid-template-columns: 1fr 440px;
  gap: 48px;
  align-items: start;
}

.camp-text .section-title {
  margin-bottom: 8px;
}

.camp-tagline {
  font-size: 1.15rem;
  color: var(--accent-dark);
  font-weight: 600;
  margin-bottom: 20px;
}

.camp-text p {
  color: var(--gray-600);
  margin-bottom: 12px;
  line-height: 1.7;
}

.camp-cta {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.camp-info-box {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  overflow: hidden;
}

.camp-info-header {
  background: var(--dark);
  color: var(--white);
  padding: 16px 24px;
  font-weight: 700;
  font-size: 1rem;
}

.camp-info-row {
  padding: 14px 24px;
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 16px;
  align-items: baseline;
  border-bottom: 1px solid var(--gray-100);
  font-size: .9rem;
}

.camp-info-row:last-child {
  border-bottom: none;
}

.camp-info-label {
  font-weight: 600;
  color: var(--gray-500);
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}

/* ─── CTA Section ─── */
.section-cta {
  background: #0f172a;
  color: var(--white);
  text-align: center;
  padding: 80px 0;
}

.section-cta h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.section-cta p {
  color: rgba(255,255,255,.75);
  font-size: 1.1rem;
  margin-bottom: 32px;
}

/* ─── Contact ─── */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: var(--gray-50);
  border-radius: var(--radius-sm);
  transition: background .2s;
}

.contact-card:hover {
  background: var(--gray-100);
}

.contact-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-light);
  color: var(--accent-dark);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.contact-card h4 {
  font-size: .85rem;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: .03em;
  margin-bottom: 2px;
}

.contact-card a {
  color: var(--dark);
  text-decoration: none;
  font-weight: 600;
  transition: color .2s;
}

.contact-card a:hover {
  color: var(--accent);
}

.contact-card p {
  color: var(--dark);
  font-weight: 600;
}

/* ─── Form ─── */
.contact-form {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 32px;
}

.contact-form h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  color: var(--gray-600);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: .95rem;
  color: var(--dark);
  background: var(--white);
  transition: border-color .2s, box-shadow .2s;
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(22,163,74,.15);
}

.form-group textarea {
  resize: vertical;
}

/* ─── Sponsors ─── */
.sponsors {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 48px;
  flex-wrap: wrap;
}

.sponsor {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--gray-400);
  padding: 16px 24px;
  transition: color .2s;
}

.sponsor:hover {
  color: var(--gray-600);
}

.sponsor .logo-am {
  color: var(--gray-400);
  transition: color .2s;
}

.sponsor:hover .logo-am {
  color: var(--accent);
}

/* ─── Footer ─── */
.footer {
  background: var(--dark);
  color: var(--gray-400);
  padding: 32px 0;
}

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

.footer-brand {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
}

.footer-brand .logo-am {
  color: #5eead4;
}

.footer-info {
  font-size: .85rem;
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    padding: 80px 32px 32px;
    gap: 24px;
    transition: right .3s;
    box-shadow: var(--shadow-lg);
  }

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

  .nav-links a {
    color: var(--gray-700) !important;
    font-size: 1.05rem;
  }

  .nav-links a:hover {
    color: var(--accent) !important;
  }

  .nav-toggle {
    display: flex;
  }

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

  .camp-layout {
    grid-template-columns: 1fr;
  }

  .contact-layout {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 64px 0;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .hero h1 {
    font-size: 2.75rem;
  }

  .camp-cta {
    flex-direction: column;
  }

  .camp-cta .btn {
    justify-content: center;
  }

  .footer-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .sponsors {
    gap: 24px;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    justify-content: center;
  }

  .contact-form {
    padding: 24px;
  }
}