/* Design system: Airbnb × Booking × Apple */
:root {
  --bg: #ffffff;
  --bg-soft: #f5f5f7;
  --text: #1d1d1f;
  --text-2: #6e6e73;
  --text-3: #86868b;
  --accent: #ff385c;
  --accent-2: #e31c5f;
  --booking-blue: #003580;
  --dark: #000000;
  --border: rgba(0, 0, 0, 0.1);
  --shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.14);
  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 24px;
  --pill: 999px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
  --header-h: 64px;
  --section-y: clamp(2.25rem, 4vw, 3.25rem);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --t-fast: 0.25s;
  --t-med: 0.55s;
}

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

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  width: min(1200px, 92vw);
  margin-inline: auto;
}

/* Typography */
.eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 0.35rem;
}

h1, h2, h3 { font-weight: 600; letter-spacing: -0.03em; line-height: 1.1; }
h1 { font-size: clamp(2.25rem, 5.5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
.lead { color: var(--text-2); font-size: 1.05rem; max-width: 42ch; }

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--t-med) var(--ease), transform var(--t-med) var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }

@keyframes fade-up {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: none; }
}
.animate-in {
  opacity: 0;
  animation: fade-up 0.85s var(--ease) forwards;
  animation-delay: calc(0.1s * var(--i, 0) + 0.15s);
}

/* Header */
.header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  transition: background var(--t-med) var(--ease), border-color var(--t-med);
}
.header--hero { background: transparent; }
.header--hero .logo,
.header--hero .nav a:not(.nav__cta) { color: #fff; }
.header--hero .nav-toggle span { background: #fff; }
.header--hero .nav__cta {
  background: #fff;
  color: var(--text) !important;
}
.header--scrolled,
.header:not(.header--hero) {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--border);
}
.header--scrolled .logo,
.header--scrolled .nav a:not(.nav__cta) { color: var(--text); }
.header--scrolled .nav-toggle span { background: var(--text); }
.header--scrolled .nav__cta {
  background: var(--dark);
  color: #fff !important;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-2);
  transition: color var(--t-fast);
}
.nav a:hover { color: var(--text); }
.nav__cta {
  padding: 0.55rem 1rem;
  border-radius: var(--pill);
  background: var(--dark);
  color: #fff !important;
  transition: transform var(--t-fast) var(--ease);
}
.nav__cta:hover { transform: scale(1.03); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  border: none;
  background: none;
  cursor: pointer;
}
.nav-toggle span {
  width: 20px;
  height: 1.5px;
  background: var(--text);
  border-radius: 1px;
  transition: transform var(--t-fast), opacity var(--t-fast);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.5rem;
  font: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  border: none;
  border-radius: var(--pill);
  cursor: pointer;
  transition: transform var(--t-fast) var(--ease), filter var(--t-fast);
}
.btn:active { transform: scale(0.98); }
.btn--accent {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
.btn--accent:hover { filter: brightness(1.05); }
.btn--block { width: 100%; }

/* Hero */
.hero {
  position: relative;
  min-height: min(92vh, 820px);
  display: flex;
  align-items: flex-end;
  padding: calc(var(--header-h) + 1.5rem) 0 0;
}
.hero__media {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
  transform: scale(1.02);
  transition: transform 8s var(--ease);
}
.hero:hover .hero__img { transform: scale(1.06); }
.hero__shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.25) 0%,
    rgba(0, 0, 0, 0.45) 55%,
    rgba(0, 0, 0, 0.75) 100%
  );
}
.hero__body {
  position: relative;
  z-index: 1;
  width: 100%;
  padding-bottom: 0;
  color: #fff;
}
.hero__copy { max-width: 640px; margin-bottom: 1.25rem; }
.hero__copy .eyebrow { color: rgba(255, 255, 255, 0.75); }
.hero__copy .lead { color: rgba(255, 255, 255, 0.85); margin-top: 0.75rem; }

/* Booking-style search bar */
.hero-search {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 0;
  max-width: 720px;
  margin-bottom: -2.5rem;
  padding: 0.35rem;
  background: #fff;
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-lg);
  color: var(--text);
}
.hero-search__field {
  padding: 0.65rem 1.1rem;
  border-right: 1px solid var(--border);
}
.hero-search__field:last-of-type { border-right: none; }
.hero-search__label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text);
  margin-bottom: 0.2rem;
}
.hero-search select {
  width: 100%;
  border: none;
  background: transparent;
  font: inherit;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-2);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236e6e73'%3E%3Cpath d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0 center;
  padding-right: 1rem;
}
.hero-search__submit {
  align-self: stretch;
  margin: 0;
  padding-inline: 1.75rem;
  border-radius: calc(var(--r-xl) - 4px);
  white-space: nowrap;
}

/* Sections */
.section { padding-block: calc(var(--section-y) + 1rem) var(--section-y); }
.section--soft { background: var(--bg-soft); }
.section:first-of-type { padding-top: calc(var(--section-y) + 2.5rem); }

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.section-head--center {
  justify-content: center;
  text-align: center;
}
.section-head__link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  transition: opacity var(--t-fast);
}
.section-head__link:hover { opacity: 0.6; }

/* Tour carousel (Airbnb listings) */
.carousel { margin-inline: calc(-1 * (100vw - min(1200px, 92vw)) / 2); padding-inline: calc((100vw - min(1200px, 92vw)) / 2); }
.carousel__track {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding-inline: calc((100vw - min(1200px, 92vw)) / 2);
  padding-bottom: 0.5rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.carousel__track::-webkit-scrollbar { display: none; }

.tour-card {
  flex: 0 0 min(300px, 78vw);
  scroll-snap-align: start;
}
.tour-card__media {
  position: relative;
  display: block;
  border-radius: var(--r-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3;
}
.tour-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}
.tour-card:hover .tour-card__media img { transform: scale(1.05); }
.tour-card__badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.3rem 0.6rem;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text);
  background: #fff;
  border-radius: var(--r-sm);
  box-shadow: var(--shadow);
}
.tour-card__badge--dark {
  color: #fff;
  background: var(--dark);
}
.tour-card__fav {
  position: absolute;
  top: 0.65rem;
  right: 0.65rem;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  color: var(--text-2);
  background: rgba(255, 255, 255, 0.92);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: transform var(--t-fast), color var(--t-fast);
}
.tour-card__fav:hover { transform: scale(1.08); color: var(--accent); }
.tour-card__body { padding: 0.65rem 0.15rem 0; }
.tour-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  font-size: 0.8125rem;
  color: var(--text-2);
  margin-bottom: 0.2rem;
}
.tour-card__rating { font-weight: 600; color: var(--text); }
.tour-card__title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.15rem;
}
.tour-card__sub {
  font-size: 0.8125rem;
  color: var(--text-3);
  margin-bottom: 0.35rem;
}
.tour-card__price {
  font-size: 0.9375rem;
  color: var(--text);
}
.tour-card__price strong { font-weight: 600; }
.tour-card__price span { color: var(--text-2); }

/* Destinations grid */
.dest-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(2, 200px);
  gap: 0.65rem;
}
.dest-card {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  min-height: 100%;
}
.dest-card--lg {
  grid-row: span 2;
  grid-column: span 2;
}
.dest-card img {
  width: 100%;
  height: 100%;
  min-height: 140px;
  object-fit: cover;
  background: var(--bg-soft);
  transition: transform 0.7s var(--ease);
}
.dest-card:hover img { transform: scale(1.06); }
.dest-card__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1rem;
  background: linear-gradient(180deg, transparent 40%, rgba(0, 0, 0, 0.65) 100%);
  color: #fff;
}
.dest-card__tag {
  align-self: flex-start;
  margin-bottom: 0.35rem;
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  border-radius: var(--r-sm);
}
.dest-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
}
.dest-card p {
  font-size: 0.8125rem;
  opacity: 0.9;
}

/* Benefits */
.benefits {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.benefit {
  padding: 1.25rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  transition: box-shadow var(--t-fast), transform var(--t-fast) var(--ease);
}
.benefit:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.benefit__icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  margin-bottom: 0.85rem;
  color: var(--text);
  background: var(--bg-soft);
  border-radius: var(--r-md);
}
.benefit h3 {
  font-size: 0.9375rem;
  margin-bottom: 0.35rem;
}
.benefit p {
  font-size: 0.8125rem;
  color: var(--text-2);
  line-height: 1.45;
}

/* Reviews */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}
.review-card {
  padding: 1.15rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
}
.review-card__top {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.75rem;
}
.review-card__photo {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
}
.review-card cite {
  display: block;
  font-style: normal;
  font-weight: 600;
  font-size: 0.875rem;
}
.review-card__top span:not(.review-card__stars) {
  font-size: 0.75rem;
  color: var(--text-3);
}
.review-card__stars {
  font-size: 0.65rem;
  letter-spacing: 1px;
  color: var(--text);
}
.review-card p {
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--text-2);
}

/* Booking */
.booking-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
  padding: 1.5rem;
  background: var(--bg-soft);
  border-radius: var(--r-xl);
  border: 1px solid var(--border);
}
.booking-layout__text h2 { margin-bottom: 0.5rem; }
.booking-layout__text .lead { font-size: 0.9375rem; }

.form__field {
  display: block;
  margin-bottom: 0.85rem;
}
.form__field span {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-3);
}
.form__field input,
.form__field select {
  width: 100%;
  padding: 0.85rem 1rem;
  font: inherit;
  font-size: 0.9375rem;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.form__field input:focus,
.form__field select:focus {
  outline: none;
  border-color: var(--text);
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.06);
}
.form__field input.error,
.form__field select.error { border-color: var(--accent); }
.form__success {
  padding: 1.5rem;
  text-align: center;
  font-weight: 500;
  font-size: 1.05rem;
  animation: fade-up 0.45s var(--ease);
}

.form__error {
  margin-top: 0.75rem;
  padding: 0.85rem 1rem;
  font-size: 0.875rem;
  color: var(--accent);
  background: #fff5f5;
  border-radius: var(--r-sm);
  border: 1px solid rgba(255, 56, 92, 0.25);
}

.tours-loading,
.tours-hint {
  padding: 1rem 0.25rem;
  font-size: 0.9375rem;
  color: var(--text-2);
}

.tours-hint {
  margin-top: 0.5rem;
  font-size: 0.8125rem;
  color: var(--text-3);
}

/* Footer */
.footer {
  padding: 1.5rem 0 2rem;
  border-top: 1px solid var(--border);
}
.footer__grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.5rem;
  font-size: 0.875rem;
  color: var(--text-2);
}
.logo--dark { color: var(--text); }
.footer__phone a,
.footer__mail a {
  font-weight: 500;
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.footer__copy {
  margin-left: auto;
  font-size: 0.8125rem;
  color: var(--text-3);
}

/* ===== Mobile ===== */
@media (max-width: 900px) {
  .dest-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: auto;
  }
  .dest-card--lg {
    grid-column: span 2;
    grid-row: span 1;
    min-height: 220px;
  }
  .dest-card:not(.dest-card--lg) { min-height: 140px; }
  .benefits { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: 1fr; }
  .booking-layout { grid-template-columns: 1fr; gap: 1.25rem; padding: 1.25rem; }
  .footer__copy { margin-left: 0; width: 100%; }
}

@media (max-width: 640px) {
  :root { --header-h: 56px; }

  .nav-toggle { display: flex; }
  .nav {
    position: fixed;
    top: calc(var(--header-h) + 0.5rem);
    left: 1rem;
    right: 1rem;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-lg);
    transform: translateY(-12px) scale(0.98);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--t-med) var(--ease), opacity var(--t-med);
  }
  .header--hero .nav a { color: var(--text) !important; }
  .header--hero .nav__cta {
    background: var(--dark) !important;
    color: #fff !important;
    text-align: center;
    margin-top: 0.25rem;
  }
  .nav--open {
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }
  .nav a { padding: 0.85rem 0.75rem; border-radius: var(--r-sm); }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

  .hero { min-height: 88vh; }
  .hero-search {
    grid-template-columns: 1fr;
    margin-bottom: -1.5rem;
    border-radius: var(--r-lg);
  }
  .hero-search__field {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .hero-search__field:last-of-type { border-bottom: none; }
  .hero-search__submit {
    margin: 0.35rem;
    border-radius: var(--r-md);
    padding: 1rem;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }
  .section-head--center { align-items: center; }

  .tour-card { flex: 0 0 min(280px, 85vw); }
  .dest-grid { grid-template-columns: 1fr; }
  .dest-card--lg { grid-column: span 1; }
  .benefits { grid-template-columns: 1fr; }
}