:root {
  --pta-blue: #23409a;
  --pta-blue-deep: #16275f;
  --pta-red: #f31c24;
  --pta-red-deep: #b51219;
  --pta-white: #ffffff;
  --pta-ice: #eef3ff;
  --pta-slate: #d9e2ff;
  --pta-ink: #101a3a;
  --pta-shadow: rgba(20, 35, 82, 0.18);
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--pta-ink);
  background:
    radial-gradient(circle at top left, rgba(35, 64, 154, 0.12), transparent 28%),
    linear-gradient(180deg, #ffffff 0%, #f5f8ff 52%, #edf2ff 100%);
}

.logo {
  font-size: 1.8rem;
  font-weight: bold;
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo i {
  color: var(--pta-white);
  filter: saturate(0);
}
.nav-menu a {
  color: var(--pta-white);
  text-decoration: none;
  font-weight: 350;
  letter-spacing: 0.04em;
  transition: color 0.3s ease, opacity 0.3s ease;
}

.nav-menu a:hover {
  color: var(--pta-white);
  opacity: 0.82;
}

.nav-menu a[href$=".html"] {
  position: relative;
}

.nav-menu a[href$=".html"]::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 2px;
  background: var(--pta-white);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.3s ease;
}

.nav-menu a[href$=".html"]:hover::after {
  transform: scaleX(1);
}

.btn-primary {
  background: linear-gradient(135deg, var(--pta-red) 0%, var(--pta-red-deep) 100%);
  color: var(--pta-white);
  border: none;
  padding: 10px 20px;
  border-radius: 999px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 12px 24px rgba(243, 28, 36, 0.28);
}

.btn-secondary {
  background: transparent;
  color: var(--pta-white);
  border: 2px solid rgba(255, 255, 255, 0.85);
  padding: 10px 20px;
  border-radius: 999px;
  cursor: pointer;
  backdrop-filter: blur(4px);
}

.hero {
  height: 90vh;
  background:
    linear-gradient(120deg, rgba(22, 39, 95, 0.92) 0%, rgba(35, 64, 154, 0.78) 42%, rgba(243, 28, 36, 0.34) 100%),
    url('../full.png') center/contain no-repeat,
    linear-gradient(180deg, #ffffff 0%, #f0f4ff 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--pta-white);
  border-bottom-left-radius: 32px;
  border-bottom-right-radius: 32px;
  overflow: hidden;
}

.hero-content {
  max-width: 760px;
  padding: 2rem;
  background: rgba(16, 26, 58, 0.34);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 28px;
  backdrop-filter: blur(8px);
  box-shadow: 0 20px 40px rgba(16, 26, 58, 0.28);
}

.hero-content h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

.hero-content p {
  font-size: 1.4rem;
  margin-bottom: 2rem;
  color: rgba(255, 255, 255, 0.9);
}

.hero-buttons button {
  margin: 0 10px;
  padding: 14px 28px;
  font-size: 1.1rem;
}

.parallax-highlights {
  display: grid;
  grid-template-columns: repeat(2, minmax(280px, 1fr));
  gap: 2rem;
  padding: 3rem 5% 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

.parallax-card {
  min-height: 380px;
  padding: 2rem;
  border-radius: 24px;
  color: var(--pta-white);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 0.85rem;
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  box-shadow: 0 20px 40px var(--pta-shadow);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.parallax-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(35, 64, 154, 0.14) 0%, rgba(16, 26, 58, 0.82) 100%);
}

.parallax-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 26px 50px rgba(16, 26, 58, 0.28);
  border-color: rgba(255, 255, 255, 0.5);
}

.parallax-card > * {
  position: relative;
  z-index: 1;
}

.parallax-card h2 {
  margin: 0;
  text-align: left;
  color: var(--pta-white);
  font-size: 2.1rem;
}

.parallax-card p {
  max-width: 26rem;
  font-size: 1rem;
}

.parallax-label,
.parallax-link {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.parallax-label {
  font-size: 0.8rem;
  color: #ffd8d9;
}

.parallax-link {
  padding: 0.65rem 1rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.28);
}

.events-highlight {
  background-image: linear-gradient(rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0.2)), url('https://images.unsplash.com/photo-1544717305-2782549b5136?auto=format&fit=crop&w=1200&q=80');
}

.store-highlight {
  background-image: linear-gradient(rgba(0, 0, 0, 0.18), rgba(0, 0, 0, 0.18)), url('https://images.unsplash.com/photo-1521572163474-6864f9cf17ab?auto=format&fit=crop&w=1200&q=80');
}

.section {
  padding: 80px 5%;
  display: none;
  min-height: 80vh;
}

.section.active {
  display: block;
}

h2 {
  text-align: center;
  margin-bottom: 3rem;
  color: var(--pta-blue);
  font-size: 2.5rem;
}

.schedule-grid, .events-grid, .trainers-grid, .store-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.schedule-card, .event-card, .trainer-card, .store-item {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(238, 243, 255, 0.96) 100%);
  padding: 2rem;
  border-radius: 20px;
  box-shadow: 0 12px 30px var(--pta-shadow);
  text-align: center;
  border: 1px solid rgba(35, 64, 154, 0.1);
  position: relative;
}

.schedule-card::before,
.event-card::before,
.trainer-card::before,
.store-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  border-top-left-radius: 20px;
  border-top-right-radius: 20px;
  background: linear-gradient(90deg, var(--pta-blue) 0%, var(--pta-red) 100%);
}

.schedule-card h3,
.event-card h3,
.event-card h4,
.trainer-card h3,
.store-item h3 {
  color: var(--pta-blue-deep);
}

.event-card h3 {
  color: var(--pta-red-deep);
}

.schedule-card ul {
  list-style: none;
}

.schedule-card li,
.event-card p,
.trainer-card p,
.store-item p,
.contact-info p {
  color: rgba(16, 26, 58, 0.82);
}

.trainer-img {
  font-size: 4rem;
  margin-bottom: 1rem;
}

.store-item button {
  margin-top: 10px;
  width: 100%;
}

#cart-status {
  margin-top: 20px;
  font-weight: bold;
  text-align: center;
  color: var(--pta-blue);
}

.contact-info {
  max-width: 760px;
  margin: 0 auto;
  padding: 2rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(238, 243, 255, 0.96) 100%);
  border-radius: 20px;
  box-shadow: 0 12px 30px var(--pta-shadow);
  border: 1px solid rgba(35, 64, 154, 0.1);
}

footer {
  background: linear-gradient(90deg, var(--pta-blue-deep) 0%, var(--pta-blue) 70%, var(--pta-red) 100%);
  color: var(--pta-white);
  text-align: center;
  padding: 2rem;
  margin-top: 3rem;
}

/* ── Mobile Menu Styles ── */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: linear-gradient(90deg, var(--pta-blue-deep) 0%, var(--pta-blue) 70%, var(--pta-red) 100%);
    flex-direction: column;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    list-style: none;
  }

  .nav-menu.active {
    max-height: 400px;
  }

  .nav-menu li {
    padding: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .nav-menu a {
    display: block;
    padding: 1rem 2rem;
    color: var(--pta-white);
    text-decoration: none;
    font-weight: 700;
    transition: background 0.3s ease;
  }

  .nav-menu a:hover {
    background: rgba(255, 255, 255, 0.1);
  }

  .nav-menu a[href$=".html"]::after {
    display: none;
  }

  .navbar {
    flex-wrap: wrap;
    position: relative;
  }

  .nav-menu { gap: 1rem; font-size: 0.95rem; }
  .hero-content { padding: 1.5rem; }
  .hero-content h1 { font-size: 2.4rem; }
  .hero-content p { font-size: 1.1rem; }
  .parallax-highlights { grid-template-columns: 1fr; }
  .parallax-card { min-height: 320px; background-attachment: scroll; }
}