@import url('https://fonts.googleapis.com/css2?family=Nunito+Sans:ital,wght@0,400;0,600;0,700;1,400&family=Oswald:wght@500;600;700&display=swap');

/* Design DNA: Asymmetric diagonal hero with skewed wave photo; deep sea + sunset coral; energetic Antalya surf mood */

:root {
  --as-sea: #0B3C5D;
  --as-sea-dark: #082a42;
  --as-coral: #FF6B4A;
  --as-coral-dark: #e55a3a;
  --as-sand: #F0E0C8;
  --as-sand-light: #FAF4EA;
  --as-white: #FFFFFF;
  --as-gray: #5A6B7A;
  --as-font-head: 'Oswald', sans-serif;
  --as-font-body: 'Nunito Sans', sans-serif;
  --as-radius: 6px;
  --as-shadow: 0 8px 32px rgba(11, 60, 93, 0.15);
  --as-max: 1200px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--as-font-body);
  color: var(--as-sea);
  background: var(--as-white);
  line-height: 1.65;
  font-size: 16px;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--as-coral); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--as-coral-dark); }

h1, h2, h3, h4 {
  font-family: var(--as-font-head);
  font-weight: 700;
  line-height: 1.15;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.as-container {
  max-width: var(--as-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Cookie bottom bar */
.as-cookie {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--as-sea);
  color: var(--as-white);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 14px;
  transform: translateY(100%);
  transition: transform 0.35s ease;
  box-shadow: 0 -4px 20px rgba(11, 60, 93, 0.25);
}

.as-cookie.as-cookie--visible { transform: translateY(0); }

.as-cookie p { flex: 1; min-width: 200px; text-align: center; }
.as-cookie a { color: var(--as-sand); text-decoration: underline; }

.as-cookie__btn {
  background: var(--as-coral);
  color: var(--as-white);
  border: none;
  padding: 10px 24px;
  border-radius: var(--as-radius);
  font-family: var(--as-font-head);
  font-weight: 600;
  cursor: pointer;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: background 0.2s;
}

.as-cookie__btn:hover { background: var(--as-coral-dark); }

body.as-cookie-active { padding-bottom: 64px; }

/* Header */
.as-header {
  background: var(--as-white);
  border-bottom: 3px solid var(--as-coral);
  position: sticky;
  top: 0;
  z-index: 900;
}

.as-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: var(--as-max);
  margin: 0 auto;
}

.as-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--as-sea);
}

.as-logo__icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--as-sea), var(--as-coral));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.as-logo__text {
  font-family: var(--as-font-head);
  font-weight: 700;
  font-size: 1.2rem;
  line-height: 1.1;
  text-transform: uppercase;
}

.as-logo__sub {
  font-size: 0.68rem;
  color: var(--as-gray);
  font-weight: 400;
  font-family: var(--as-font-body);
  text-transform: none;
  letter-spacing: 0;
}

.as-nav { display: flex; gap: 26px; align-items: center; }

.as-nav a {
  color: var(--as-sea);
  font-family: var(--as-font-head);
  font-weight: 500;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  position: relative;
}

.as-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--as-coral);
  transition: width 0.25s;
}

.as-nav a:hover::after,
.as-nav a.as-nav--active::after { width: 100%; }

.as-nav a.as-nav--active { color: var(--as-coral); }

/* Burger */
.as-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  z-index: 950;
}

.as-burger span {
  display: block;
  width: 26px;
  height: 3px;
  background: var(--as-sea);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.as-burger--open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.as-burger--open span:nth-child(2) { opacity: 0; }
.as-burger--open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.as-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(11, 60, 93, 0.5);
  z-index: 850;
  opacity: 0;
  transition: opacity 0.3s;
}

.as-nav-overlay--visible { display: block; opacity: 1; }

/* Asymmetric diagonal hero */
.as-hero {
  position: relative;
  min-height: 88vh;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  overflow: hidden;
  background: var(--as-sand-light);
}

.as-hero__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 48px 80px max(24px, calc((100vw - var(--as-max)) / 2 + 24px));
  position: relative;
  z-index: 2;
}

.as-hero__content::before {
  content: '';
  position: absolute;
  top: 0;
  right: -60px;
  bottom: 0;
  width: 120px;
  background: var(--as-sand-light);
  transform: skewX(-6deg);
  z-index: -1;
}

.as-hero__tag {
  display: inline-block;
  background: var(--as-coral);
  color: var(--as-white);
  font-family: var(--as-font-head);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 6px 16px;
  margin-bottom: 20px;
  align-self: flex-start;
}

.as-hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  color: var(--as-sea);
  margin-bottom: 20px;
}

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

.as-hero__content > p {
  font-size: 1.1rem;
  color: var(--as-gray);
  max-width: 480px;
  margin-bottom: 32px;
}

.as-hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }

.as-hero__image {
  position: relative;
  overflow: hidden;
}

.as-hero__image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(11, 60, 93, 0.15));
  z-index: 1;
  pointer-events: none;
}

.as-hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: skewX(-4deg) scale(1.12);
  transform-origin: center center;
}

/* Buttons */
.as-btn {
  display: inline-block;
  font-family: var(--as-font-head);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 14px 28px;
  border-radius: var(--as-radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  text-align: center;
}

.as-btn--primary {
  background: var(--as-coral);
  color: var(--as-white);
  border-color: var(--as-coral);
}

.as-btn--primary:hover {
  background: var(--as-coral-dark);
  border-color: var(--as-coral-dark);
  color: var(--as-white);
}

.as-btn--secondary {
  background: transparent;
  color: var(--as-sea);
  border-color: var(--as-sea);
}

.as-btn--secondary:hover {
  background: var(--as-sea);
  color: var(--as-white);
}

.as-btn--sand {
  background: var(--as-sand);
  color: var(--as-sea);
  border-color: var(--as-sand);
}

.as-btn--sand:hover {
  background: var(--as-white);
  color: var(--as-sea);
}

/* Sections */
.as-section { padding: 80px 0; }
.as-section--sand { background: var(--as-sand-light); }
.as-section--sea { background: var(--as-sea); color: var(--as-white); }
.as-section--sea h2, .as-section--sea h3 { color: var(--as-white); }
.as-section--sea p { color: rgba(255, 255, 255, 0.85); }

.as-section__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.as-section__label {
  display: inline-block;
  font-family: var(--as-font-head);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--as-coral);
  margin-bottom: 10px;
}

.as-section__header h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  color: var(--as-sea);
  margin-bottom: 14px;
}

.as-section__header p { color: var(--as-gray); }

/* Features */
.as-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.as-feature {
  background: var(--as-white);
  padding: 32px 24px;
  border-radius: var(--as-radius);
  box-shadow: var(--as-shadow);
  border-left: 4px solid var(--as-coral);
  transition: transform 0.25s;
}

.as-feature:hover { transform: translateY(-4px); }

.as-feature__icon { font-size: 2rem; margin-bottom: 14px; }

.as-feature h3 {
  font-size: 1.1rem;
  color: var(--as-sea);
  margin-bottom: 10px;
}

.as-feature p { color: var(--as-gray); font-size: 0.95rem; }

/* Cards grid */
.as-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.as-card {
  background: var(--as-white);
  border-radius: var(--as-radius);
  overflow: hidden;
  box-shadow: var(--as-shadow);
  transition: transform 0.25s;
}

.as-card:hover { transform: translateY(-6px); }

.as-card__img {
  aspect-ratio: 16/10;
  overflow: hidden;
}

.as-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}

.as-card:hover .as-card__img img { transform: scale(1.05); }

.as-card__body { padding: 24px; }

.as-card__body h3 {
  font-size: 1.05rem;
  color: var(--as-sea);
  margin-bottom: 10px;
}

.as-card__body p { color: var(--as-gray); font-size: 0.92rem; margin-bottom: 14px; }

.as-card__price {
  font-family: var(--as-font-head);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--as-coral);
}

.as-card__price span {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--as-gray);
  font-family: var(--as-font-body);
  text-transform: none;
}

.as-card__tag {
  display: inline-block;
  background: var(--as-sand);
  color: var(--as-sea);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 3px;
  margin-bottom: 10px;
  text-transform: uppercase;
  font-family: var(--as-font-head);
}

/* Split layout */
.as-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.as-split__img {
  border-radius: var(--as-radius);
  overflow: hidden;
  box-shadow: var(--as-shadow);
  transform: rotate(-1.5deg);
}

.as-split__img img { width: 100%; }

.as-split__content .as-section__label { display: block; text-align: left; }

.as-split__content h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--as-sea);
  margin-bottom: 16px;
}

.as-split__content p { color: var(--as-gray); margin-bottom: 14px; }

/* Stats */
.as-stats {
  display: flex;
  gap: 32px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.as-stat__num {
  font-family: var(--as-font-head);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--as-coral);
  line-height: 1;
}

.as-stat__label {
  font-size: 0.85rem;
  color: var(--as-gray);
  margin-top: 4px;
}

/* CTA */
.as-cta {
  position: relative;
  border-radius: var(--as-radius);
  overflow: hidden;
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.as-cta__bg {
  position: absolute;
  inset: 0;
}

.as-cta__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.as-cta__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11, 60, 93, 0.88), rgba(255, 107, 74, 0.55));
}

.as-cta__content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 48px 32px;
  max-width: 560px;
}

.as-cta__content h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  color: var(--as-white);
  margin-bottom: 14px;
}

.as-cta__content p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 24px;
}

/* Page hero */
.as-page-hero {
  background: linear-gradient(135deg, var(--as-sea) 60%, var(--as-coral));
  color: var(--as-white);
  padding: 56px 0 64px;
}

.as-page-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--as-white);
  margin-bottom: 10px;
}

.as-page-hero p { color: rgba(255, 255, 255, 0.85); font-size: 1.05rem; }

.as-breadcrumb {
  font-size: 0.85rem;
  margin-bottom: 16px;
  opacity: 0.8;
}

.as-breadcrumb a { color: var(--as-sand); }
.as-breadcrumb a:hover { color: var(--as-white); }

/* Lesson tiers */
.as-tiers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.as-tier {
  background: var(--as-white);
  border-radius: var(--as-radius);
  overflow: hidden;
  box-shadow: var(--as-shadow);
  border-top: 4px solid var(--as-coral);
}

.as-tier__img { aspect-ratio: 16/9; overflow: hidden; }
.as-tier__img img { width: 100%; height: 100%; object-fit: cover; }

.as-tier__body { padding: 28px; }

.as-tier__body h3 {
  font-size: 1.15rem;
  color: var(--as-sea);
  margin-bottom: 8px;
}

.as-tier__body p { color: var(--as-gray); font-size: 0.92rem; margin-bottom: 16px; }

.as-tier__list {
  list-style: none;
  margin-bottom: 20px;
}

.as-tier__list li {
  padding: 6px 0;
  font-size: 0.9rem;
  color: var(--as-gray);
  border-bottom: 1px solid var(--as-sand);
}

.as-tier__list li::before {
  content: '🌊 ';
}

/* Beach gallery */
.as-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.as-gallery__item {
  border-radius: var(--as-radius);
  overflow: hidden;
  position: relative;
  aspect-ratio: 4/3;
}

.as-gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}

.as-gallery__item:hover img { transform: scale(1.06); }

.as-gallery__caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 16px;
  background: linear-gradient(transparent, rgba(11, 60, 93, 0.85));
  color: var(--as-white);
  font-family: var(--as-font-head);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Info blocks */
.as-info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.as-info-block {
  background: var(--as-sand-light);
  padding: 28px;
  border-radius: var(--as-radius);
  border-left: 4px solid var(--as-sea);
}

.as-info-block h3 {
  font-size: 1rem;
  color: var(--as-sea);
  margin-bottom: 10px;
}

.as-info-block p { color: var(--as-gray); font-size: 0.92rem; }

/* Contact */
.as-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}

.as-contact-info h2 {
  font-size: 1.6rem;
  color: var(--as-sea);
  margin-bottom: 24px;
}

.as-contact-item {
  display: flex;
  gap: 16px;
  margin-bottom: 22px;
}

.as-contact-item__icon {
  width: 44px;
  height: 44px;
  background: var(--as-sand);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.as-contact-item h4 {
  font-size: 0.85rem;
  color: var(--as-coral);
  margin-bottom: 4px;
  text-transform: uppercase;
}

.as-contact-item p { color: var(--as-gray); font-size: 0.95rem; margin: 0; }

.as-form {
  background: var(--as-sand-light);
  padding: 36px;
  border-radius: var(--as-radius);
  box-shadow: var(--as-shadow);
}

.as-form h3 {
  font-size: 1.2rem;
  color: var(--as-sea);
  margin-bottom: 24px;
}

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

.as-form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--as-sea);
  margin-bottom: 6px;
}

.as-form-group input,
.as-form-group select,
.as-form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--as-sand);
  border-radius: var(--as-radius);
  font-family: var(--as-font-body);
  font-size: 0.95rem;
  background: var(--as-white);
  color: var(--as-sea);
  transition: border-color 0.2s;
}

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

.as-form-group textarea { min-height: 120px; resize: vertical; }

/* Privacy */
.as-privacy { max-width: 800px; margin: 0 auto; }

.as-privacy h2 {
  font-size: 1.2rem;
  color: var(--as-sea);
  margin: 32px 0 12px;
}

.as-privacy p, .as-privacy li {
  color: var(--as-gray);
  font-size: 0.95rem;
}

.as-privacy ul { padding-left: 24px; margin-bottom: 16px; }
.as-privacy li { margin-bottom: 6px; }

/* Footer */
.as-footer {
  background: var(--as-sea);
  color: rgba(255, 255, 255, 0.85);
  padding: 64px 0 0;
}

.as-footer h4 {
  color: var(--as-white);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.as-footer p { font-size: 0.9rem; margin-bottom: 8px; }

.as-footer a { color: var(--as-sand); }
.as-footer a:hover { color: var(--as-coral); }

.as-footer__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  padding-bottom: 40px;
}

.as-footer__col ul { list-style: none; }
.as-footer__col ul li { margin-bottom: 8px; }
.as-footer__col ul a { font-size: 0.9rem; }

.as-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 20px 0;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
}

/* Responsive 900px */
@media (max-width: 900px) {
  .as-hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .as-hero__content {
    padding: 56px 24px 32px;
    order: 2;
  }

  .as-hero__content::before { display: none; }

  .as-hero__image {
    order: 1;
    min-height: 320px;
  }

  .as-hero__image img {
    transform: skewX(0) scale(1);
  }

  .as-features,
  .as-grid,
  .as-tiers,
  .as-gallery {
    grid-template-columns: 1fr 1fr;
  }

  .as-split,
  .as-contact-grid,
  .as-info-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .as-split__img { transform: none; }

  .as-footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .as-burger { display: flex; }

  .as-nav {
    position: fixed;
    top: 0;
    right: -280px;
    width: 280px;
    height: 100vh;
    background: var(--as-white);
    flex-direction: column;
    align-items: flex-start;
    padding: 80px 32px 32px;
    gap: 20px;
    box-shadow: -4px 0 24px rgba(11, 60, 93, 0.15);
    transition: right 0.35s ease;
    z-index: 900;
  }

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

/* Responsive 560px */
@media (max-width: 560px) {
  .as-section { padding: 56px 0; }

  .as-features,
  .as-grid,
  .as-tiers,
  .as-gallery,
  .as-footer__grid,
  .as-info-grid {
    grid-template-columns: 1fr;
  }

  .as-hero__actions { flex-direction: column; }
  .as-hero__actions .as-btn { width: 100%; }

  .as-stats { gap: 20px; }

  .as-form { padding: 24px; }

  .as-cookie { padding: 12px 16px; }
  .as-cookie p { text-align: left; font-size: 13px; }
}