/* ============================================================
   CASA PLAYA — DESIGN SYSTEM
   Coastal modern aesthetic
   ============================================================ */

/* --- CUSTOM PROPERTIES --- */
:root {
  --color-primary:    #1a6b8a;   /* deep ocean blue */
  --color-primary-d:  #135572;   /* darker blue for hover */
  --color-accent:     #f4845f;   /* warm coral */
  --color-accent-d:   #e06a44;
  --color-sand:       #f5f0e8;   /* sand / warm off-white */
  --color-sand-d:     #ede5d0;
  --color-white:      #ffffff;
  --color-text:       #2c2c2c;
  --color-text-light: #666666;
  --color-border:     #e0d8cc;
  --color-booked:     #f4845f;
  --color-available:  #d4edda;
  --color-today:      #1a6b8a;

  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body:    'Inter', system-ui, -apple-system, sans-serif;

  --shadow-sm:  0 2px 8px rgba(0,0,0,0.08);
  --shadow-md:  0 4px 20px rgba(0,0,0,0.12);
  --shadow-lg:  0 8px 40px rgba(0,0,0,0.16);

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;

  --transition: 0.2s ease;

  --nav-height: 68px;
}

/* --- RESET & BASE --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-d); }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: 1.25;
  color: var(--color-text);
}

/* --- CONTAINER --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}
.btn--primary:hover {
  background: var(--color-accent-d);
  border-color: var(--color-accent-d);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn--large {
  padding: 16px 40px;
  font-size: 1.05rem;
}

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
}

.nav__brand {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  min-width: 120px;
}

.nav__logo {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
}

.nav__sub {
  font-size: 0.7rem;
  color: var(--color-text-light);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav__tabs {
  display: flex;
  gap: 4px;
  flex: 1;
  justify-content: center;
}

.nav__tab {
  background: none;
  border: none;
  padding: 8px 20px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-light);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  position: relative;
}

.nav__tab::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 20px;
  right: 20px;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transition: transform var(--transition);
  border-radius: 1px;
}

.nav__tab:hover { color: var(--color-text); background: var(--color-sand); }

.nav__tab.active {
  color: var(--color-primary);
  font-weight: 600;
}

.nav__tab.active::after { transform: scaleX(1); }

.nav__lang {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--color-sand);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--color-text);
  transition: background var(--transition), border-color var(--transition);
  min-width: 64px;
}

.nav__lang:hover { background: var(--color-sand-d); border-color: var(--color-primary); }

/* ============================================================
   TAB PANELS
   ============================================================ */
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.tab-panel__top { padding-top: 60px; }

/* ============================================================
   SECTIONS
   ============================================================ */
.section {
  padding: 80px 0;
}

.section--sand { background: var(--color-sand); }

.section__title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-primary);
}

.section__subtitle {
  font-size: 1.05rem;
  color: var(--color-text-light);
  margin-bottom: 40px;
}

.subsection__title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 600;
  margin: 48px 0 20px;
  color: var(--color-text);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  height: 80vh;
  min-height: 480px;
  overflow: hidden;
  background: #1a3a4a;
}

.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.2) 0%, rgba(0,0,0,0.6) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
  gap: 16px;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 700;
  color: var(--color-white);
  text-shadow: 0 2px 20px rgba(0,0,0,0.4);
}

.hero__tagline {
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  color: rgba(255,255,255,0.9);
  font-weight: 300;
  max-width: 600px;
  text-shadow: 0 1px 8px rgba(0,0,0,0.4);
}

.hero__cta {
  margin-top: 8px;
  padding: 14px 36px;
  font-size: 1.05rem;
}

/* ============================================================
   GALLERY
   ============================================================ */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  margin-top: 32px;
}

.gallery__item {
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  background: var(--color-sand);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
}

.gallery__item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.gallery__img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.gallery__item:hover .gallery__img { transform: scale(1.04); }

.gallery__caption {
  padding: 16px;
}

.gallery__caption strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.gallery__caption p {
  font-size: 0.85rem;
  color: var(--color-text-light);
  line-height: 1.5;
}

/* ============================================================
   AMENITIES
   ============================================================ */
.amenities {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
  margin-top: 32px;
}

.amenity-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 16px;
  text-align: center;
  transition: box-shadow var(--transition), transform var(--transition);
}

.amenity-item:hover {
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.amenity-item__icon { font-size: 1.8rem; margin-bottom: 8px; }
.amenity-item__label { font-size: 0.85rem; font-weight: 500; color: var(--color-text); }

/* ============================================================
   BOOKING CARD
   ============================================================ */
.booking-card {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-d) 100%);
  border-radius: var(--radius-lg);
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  box-shadow: var(--shadow-lg);
  color: var(--color-white);
  flex-wrap: wrap;
}

.booking-card__text h2 {
  font-size: 1.8rem;
  color: var(--color-white);
  margin-bottom: 10px;
}

.booking-card__text p {
  color: rgba(255,255,255,0.85);
  max-width: 560px;
  font-size: 1rem;
}

.booking-card .btn--primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  flex-shrink: 0;
}

/* ============================================================
   AVAILABILITY CALENDAR
   ============================================================ */
.calendar-wrap { margin-top: 24px; }

.calendar-legend {
  display: flex;
  gap: 24px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.legend-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  flex-shrink: 0;
}

.legend-dot--available { background: var(--color-available); border: 1px solid #a3d4ad; }
.legend-dot--booked    { background: var(--color-booked); }
.legend-dot--today     { background: var(--color-today); }

.calendar-months {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.calendar-loading {
  color: var(--color-text-light);
  font-size: 0.95rem;
  padding: 32px 0;
}

.calendar-fallback {
  color: var(--color-text-light);
  font-size: 0.95rem;
}

.calendar-fallback a { color: var(--color-accent); font-weight: 600; }

.cal-month { background: var(--color-white); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); overflow: hidden; }

.cal-month__header {
  background: var(--color-primary);
  color: var(--color-white);
  text-align: center;
  padding: 14px;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
}

.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  padding: 12px;
  gap: 4px;
}

.cal-cell {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  border-radius: 50%;
  font-weight: 400;
}

.cal-cell--weekday {
  font-weight: 600;
  font-size: 0.7rem;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.cal-cell--booked {
  background: var(--color-booked);
  color: var(--color-white);
  font-weight: 600;
}

.cal-cell--today {
  background: var(--color-today);
  color: var(--color-white);
  font-weight: 700;
}

.cal-cell--past { color: var(--color-border); }

/* ============================================================
   DIRECTIONS
   ============================================================ */
.directions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
  margin-top: 32px;
}

.directions__address {
  font-weight: 600;
  font-size: 1.05rem;
  margin-bottom: 12px;
  color: var(--color-primary);
}

.directions__desc {
  color: var(--color-text-light);
  line-height: 1.7;
}

.directions__map iframe,
.directions__map .map-placeholder {
  width: 100%;
  height: 320px;
  border-radius: var(--radius-md);
  border: none;
  box-shadow: var(--shadow-sm);
}

.map-placeholder {
  background: var(--color-sand-d);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--color-text-light);
  font-size: 0.9rem;
}

.map-placeholder__icon { font-size: 2rem; }

/* ============================================================
   CHECK-IN/OUT
   ============================================================ */
.checkinout {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.checkinout__item {
  background: var(--color-sand);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 1;
  min-width: 180px;
}

.checkinout__icon { font-size: 1.5rem; }

.checkinout__item strong {
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-light);
  margin-bottom: 2px;
}

.checkinout__item span {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-primary);
}

/* ============================================================
   RULES
   ============================================================ */
.rules-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 12px;
  margin-bottom: 8px;
}

.rules-list li {
  background: var(--color-sand);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 12px 16px;
  font-size: 0.92rem;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.rules-list li::before {
  content: '✓';
  color: var(--color-accent);
  font-weight: 700;
  flex-shrink: 0;
}

/* ============================================================
   MANUAL ACCORDION
   ============================================================ */
.manual-list { display: flex; flex-direction: column; gap: 8px; }

.manual-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.manual-item__header {
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  padding: 16px 20px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-text);
  transition: background var(--transition);
}

.manual-item__header:hover { background: var(--color-sand); }

.manual-item__header.open { background: var(--color-sand); color: var(--color-primary); }

.manual-item__arrow {
  font-size: 0.7rem;
  transition: transform var(--transition);
}

.manual-item__header.open .manual-item__arrow { transform: rotate(180deg); }

.manual-item__body {
  display: none;
  padding: 0 20px 16px;
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

.manual-item__body.open { display: block; }

/* ============================================================
   ACTIVITIES
   ============================================================ */
.activities {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
  margin-top: 8px;
}

.activity-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.activity-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.activity-card__img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  background: var(--color-sand-d);
}

.activity-card__img-placeholder {
  width: 100%;
  height: 180px;
  background: linear-gradient(135deg, var(--color-sand) 0%, var(--color-sand-d) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.activity-card__body { padding: 20px; }

.activity-card__meta {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.tag {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 3px 10px;
  border-radius: 20px;
  background: var(--color-sand);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
}

.tag--distance {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: transparent;
}

.activity-card__title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.activity-card__desc {
  font-size: 0.88rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--color-text);
  color: rgba(255,255,255,0.7);
  padding: 40px 0;
  text-align: center;
}

.footer .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.footer__text { font-size: 0.85rem; }

.footer__link {
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: underline;
}

.footer__link:hover { color: var(--color-accent-d); }

/* ============================================================
   LIGHTBOX
   ============================================================ */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0,0,0,0.92);
  align-items: center;
  justify-content: center;
}

.lightbox.open { display: flex; }

.lightbox__content {
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.lightbox__img {
  max-width: 90vw;
  max-height: 75vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
}

.lightbox__caption {
  text-align: center;
  color: var(--color-white);
  max-width: 600px;
}

.lightbox__caption strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 4px;
}

.lightbox__caption p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
}

.lightbox__close, .lightbox__prev, .lightbox__next {
  position: fixed;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--color-white);
  cursor: pointer;
  font-size: 1.5rem;
  line-height: 1;
  transition: background var(--transition);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox__close:hover, .lightbox__prev:hover, .lightbox__next:hover {
  background: rgba(255,255,255,0.25);
}

.lightbox__close { top: 20px; right: 20px; font-size: 1.8rem; }
.lightbox__prev  { left: 20px; top: 50%; transform: translateY(-50%); font-size: 2rem; }
.lightbox__next  { right: 20px; top: 50%; transform: translateY(-50%); font-size: 2rem; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .nav {
    flex-wrap: wrap;
    height: auto;
    padding: 12px 16px;
    gap: 8px;
  }

  .nav__brand { min-width: auto; }
  .nav__logo  { font-size: 1.1rem; }

  .nav__tabs {
    order: 3;
    width: 100%;
    justify-content: center;
    gap: 2px;
  }

  .nav__tab { padding: 8px 12px; font-size: 0.82rem; }

  .nav__lang { order: 2; }

  .hero { height: 60vh; min-height: 360px; }
  .hero__overlay { gap: 12px; }

  .section { padding: 50px 0; }
  .section__title { font-size: 1.6rem; }

  .gallery { grid-template-columns: 1fr 1fr; gap: 10px; }
  .gallery__img { height: 180px; }

  .amenities { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); }

  .booking-card {
    flex-direction: column;
    text-align: center;
    padding: 32px 24px;
  }

  .directions { grid-template-columns: 1fr; gap: 24px; }

  .checkinout { flex-direction: column; }
  .checkinout__item { min-width: unset; }

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

  .lightbox__prev { left: 10px; }
  .lightbox__next { right: 10px; }
}

@media (max-width: 480px) {
  .gallery { grid-template-columns: 1fr; }
  .amenities { grid-template-columns: repeat(3, 1fr); }
  .container { padding: 0 16px; }
}