/* ==========================================================================
   Cartagena Stay Venture — Design System
   Paleta de marca: Navy #16243F · Azul cielo #2E9BD6 · Naranja #F5A623
   ========================================================================== */

:root {
  --navy:        #16243F;
  --navy-700:    #1F3357;
  --navy-600:    #2A4574;
  --sky:         #2E9BD6;
  --sky-600:     #1E86BF;
  --sky-100:     #E4F3FB;
  --orange:      #F5A623;
  --orange-600:  #E0900C;
  --orange-100:  #FDF0D8;
  --sand:        #FBF7F0;
  --cream:       #FFFDF9;
  --ink:         #1A2233;
  --muted:       #5B6676;
  --line:        #E7E2D8;
  --white:       #FFFFFF;
  --whatsapp:    #25D366;

  --shadow-sm: 0 1px 3px rgba(22,36,63,.08), 0 1px 2px rgba(22,36,63,.06);
  --shadow-md: 0 8px 24px rgba(22,36,63,.10);
  --shadow-lg: 0 20px 48px rgba(22,36,63,.16);

  --radius:     16px;
  --radius-lg:  24px;
  --radius-pill: 999px;

  --container: 1180px;
  --font-head: 'Poppins', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-script: 'Caveat', cursive;

  --header-h: 76px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.15; color: var(--navy); font-weight: 700; }
section { scroll-margin-top: var(--header-h); }

/* ---------- Layout helpers ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section--tight { padding: 64px 0; }
.center { text-align: center; }
.eyebrow {
  font-family: var(--font-head);
  font-weight: 600; font-size: .8rem; letter-spacing: .18em;
  text-transform: uppercase; color: var(--sky-600);
  display: inline-block; margin-bottom: 14px;
}
.section-title { font-size: clamp(1.9rem, 4vw, 2.9rem); margin-bottom: 16px; }
.section-sub { color: var(--muted); font-size: 1.08rem; max-width: 620px; margin: 0 auto; }
.section-head { margin-bottom: 56px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 26px; border-radius: var(--radius-pill);
  font-family: var(--font-head); font-weight: 600; font-size: .98rem;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn svg { width: 20px; height: 20px; }
.btn--primary { background: var(--orange); color: var(--navy); box-shadow: 0 6px 18px rgba(245,166,35,.35); }
.btn--primary:hover { background: var(--orange-600); }
.btn--navy { background: var(--navy); color: #fff; }
.btn--navy:hover { background: var(--navy-700); }
.btn--sky { background: var(--sky); color: #fff; box-shadow: 0 6px 18px rgba(46,155,214,.3); }
.btn--sky:hover { background: var(--sky-600); }
.btn--ghost { background: rgba(255,255,255,.14); color: #fff; border: 1.5px solid rgba(255,255,255,.5); backdrop-filter: blur(6px); }
.btn--ghost:hover { background: rgba(255,255,255,.24); }
.btn--wa { background: var(--whatsapp); color: #fff; box-shadow: 0 6px 18px rgba(37,211,102,.35); }
.btn--wa:hover { background: #1EBE5A; }
.btn--outline { border: 1.5px solid var(--line); color: var(--navy); background: #fff; }
.btn--outline:hover { border-color: var(--sky); color: var(--sky-600); }
.btn--lg { padding: 17px 34px; font-size: 1.05rem; }
.btn--block { width: 100%; justify-content: center; }

/* ==========================================================================
   Header / Nav
   ========================================================================== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--header-h);
  background: rgba(255,255,255,.97);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(10px);
  transition: box-shadow .3s ease;
}
.header__inner { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 60px; width: auto; }
.brand__name { display: none; font-family: var(--font-head); font-weight: 700; font-size: 1.05rem; color: var(--navy); letter-spacing: .02em; }

.nav { display: flex; align-items: center; gap: 6px; }
.nav a {
  padding: 9px 15px; border-radius: var(--radius-pill);
  font-family: var(--font-head); font-weight: 500; font-size: .95rem;
  color: var(--navy); transition: background .2s, color .2s;
}
.nav a:hover { background: var(--sky-100); color: var(--sky-600); }

.header-actions { display: flex; align-items: center; gap: 12px; }

/* Language toggle */
.lang {
  display: inline-flex; align-items: center;
  border: 1.5px solid var(--line); border-radius: var(--radius-pill);
  overflow: hidden; font-family: var(--font-head); font-weight: 600; font-size: .82rem;
}
.lang button { padding: 7px 13px; color: var(--muted); transition: all .2s; }
.lang button.active { background: var(--orange); color: var(--navy); }

.header.scrolled { box-shadow: var(--shadow-md); }

/* Hamburger */
.burger { display: none; width: 44px; height: 44px; border-radius: 12px; position: relative; }
.burger span { position: absolute; left: 11px; right: 11px; height: 2.5px; background: var(--navy); border-radius: 2px; transition: .3s; }
.burger span:nth-child(1){ top: 15px; } .burger span:nth-child(2){ top: 21px; } .burger span:nth-child(3){ top: 27px; }
.burger.open span:nth-child(1){ top: 21px; transform: rotate(45deg); }
.burger.open span:nth-child(2){ opacity: 0; }
.burger.open span:nth-child(3){ top: 21px; transform: rotate(-45deg); }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center; justify-content: center;
  text-align: center; color: var(--ink); padding: var(--header-h) 0 60px; overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; object-position: center 42%; }
.hero__overlay { position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, rgba(255,253,249,.76) 0%, rgba(255,253,249,.6) 45%, rgba(255,253,249,.86) 100%); }
.hero__content { position: relative; z-index: 2; max-width: 820px; padding: 30px 0; }
.hero__logo-card { display: inline-block; margin-bottom: 22px; }
.hero__logo { width: min(320px, 66vw); height: auto; display: block; filter: drop-shadow(0 12px 26px rgba(22,36,63,.20)); }
.hero__badge {
  display: inline-flex; align-items: center; gap: 8px; margin-bottom: 20px;
  background: var(--orange-100); border: 1px solid rgba(245,166,35,.55);
  color: var(--orange-600); padding: 8px 16px; border-radius: var(--radius-pill);
  font-family: var(--font-head); font-weight: 600; font-size: .82rem; letter-spacing: .04em;
}
.hero h1 { color: var(--navy); font-size: clamp(2rem, 5vw, 3.5rem); line-height: 1.1; margin-bottom: 18px; }
.hero h1 .accent { color: var(--orange); }
.hero p { font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--ink); max-width: 560px; margin: 0 auto 30px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.hero__scroll { position: absolute; z-index: 2; bottom: 26px; left: 50%; transform: translateX(-50%); color: var(--sky-600); animation: bob 2s infinite; }
@keyframes bob { 0%,100%{ transform: translate(-50%,0);} 50%{ transform: translate(-50%,8px);} }

/* ==========================================================================
   Features strip
   ========================================================================== */
.features { background: var(--white); border-bottom: 1px solid var(--line); }
.features__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.feature { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 12px; padding: 12px; }
.feature__icon {
  width: 60px; height: 60px; border-radius: 18px; display: grid; place-items: center;
  background: var(--sky-100); color: var(--sky-600);
}
.feature__icon svg { width: 30px; height: 30px; }
.feature h3 { font-size: 1.02rem; }
.feature p { font-size: .9rem; color: var(--muted); }

/* ==========================================================================
   Apartments
   ========================================================================== */
.apartments { background: var(--sand); }
.apts-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 34px; }
.apt-card {
  background: #fff; border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-md); transition: transform .25s ease, box-shadow .25s ease;
  display: flex; flex-direction: column;
}
.apt-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.apt-card__media { position: relative; aspect-ratio: 4/3; overflow: hidden; }
.apt-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.apt-card:hover .apt-card__media img { transform: scale(1.06); }
.apt-card__tag {
  position: absolute; top: 16px; left: 16px; background: var(--orange); color: var(--navy);
  font-family: var(--font-head); font-weight: 700; font-size: .8rem; padding: 6px 14px; border-radius: var(--radius-pill);
}
.apt-card__body { padding: 26px 26px 30px; display: flex; flex-direction: column; flex: 1; }
.apt-card__body h3 { font-size: 1.55rem; margin-bottom: 6px; }
.apt-card__loc { color: var(--sky-600); font-weight: 600; font-size: .92rem; display: flex; align-items: center; gap: 6px; margin-bottom: 16px; }
.apt-card__loc svg { width: 16px; height: 16px; }
.apt-card__specs { display: flex; gap: 18px; flex-wrap: wrap; margin-bottom: 18px; }
.spec { display: flex; align-items: center; gap: 7px; color: var(--ink); font-size: .92rem; font-weight: 500; }
.spec svg { width: 19px; height: 19px; color: var(--sky); }
.apt-card__desc { color: var(--muted); font-size: .97rem; margin-bottom: 22px; flex: 1; }
.apt-card__actions { display: flex; gap: 12px; }

/* ==========================================================================
   Gallery
   ========================================================================== */
.gallery__grid { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 200px; gap: 14px; }
.gallery__item { position: relative; overflow: hidden; border-radius: var(--radius); cursor: pointer; }
.gallery__item img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.gallery__item:hover img { transform: scale(1.08); }
.gallery__item::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 60%, rgba(22,36,63,.35)); opacity: 0; transition: opacity .3s; }
.gallery__item:hover::after { opacity: 1; }
.gallery__item.tall { grid-row: span 2; }
.gallery__item.wide { grid-column: span 2; }

/* Lightbox */
.lightbox { position: fixed; inset: 0; z-index: 200; background: rgba(15,23,42,.92); display: none; align-items: center; justify-content: center; padding: 30px; }
.lightbox.open { display: flex; }
.lightbox img { max-width: 92vw; max-height: 86vh; border-radius: 10px; box-shadow: var(--shadow-lg); }
.lightbox__close, .lightbox__nav { position: absolute; color: #fff; background: rgba(255,255,255,.12); border-radius: 50%; width: 52px; height: 52px; display: grid; place-items: center; transition: background .2s; }
.lightbox__close:hover, .lightbox__nav:hover { background: rgba(255,255,255,.28); }
.lightbox__close { top: 24px; right: 24px; }
.lightbox__close svg, .lightbox__nav svg { width: 26px; height: 26px; }
.lightbox__nav.prev { left: 24px; top: 50%; transform: translateY(-50%); }
.lightbox__nav.next { right: 24px; top: 50%; transform: translateY(-50%); }

/* ==========================================================================
   Location
   ========================================================================== */
.location { background: var(--navy); color: #fff; }
.location h2 { color: #fff; }
.location__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.location__text .eyebrow { color: var(--orange); }
.location__text p { color: rgba(255,255,255,.82); margin-bottom: 18px; }
.location__list { display: grid; gap: 16px; margin-top: 26px; }
.loc-item { display: flex; gap: 14px; align-items: flex-start; }
.loc-item__icon { flex: none; width: 44px; height: 44px; border-radius: 12px; background: rgba(46,155,214,.2); color: var(--sky); display: grid; place-items: center; }
.loc-item__icon svg { width: 22px; height: 22px; }
.loc-item h4 { color: #fff; font-size: 1.02rem; margin-bottom: 2px; }
.loc-item p { color: rgba(255,255,255,.7); font-size: .92rem; margin: 0; }
.location__map { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); aspect-ratio: 4/3.4; border: 4px solid rgba(255,255,255,.1); }
.location__map iframe { width: 100%; height: 100%; border: 0; filter: saturate(1.05); }

/* ==========================================================================
   Host / About
   ========================================================================== */
.host { background: var(--sand); }
.host__grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 50px; align-items: center; }
.host__media { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); aspect-ratio: 1; }
.host__media img { width: 100%; height: 100%; object-fit: cover; }
.host blockquote { font-family: var(--font-script); font-size: 1.7rem; color: var(--navy); line-height: 1.35; margin: 18px 0; }

/* ==========================================================================
   CTA band
   ========================================================================== */
.cta-band { background: linear-gradient(120deg, var(--sky) 0%, var(--sky-600) 55%, var(--navy) 130%); color: #fff; text-align: center; }
.cta-band h2 { color: #fff; font-size: clamp(1.8rem, 4vw, 2.7rem); margin-bottom: 14px; }
.cta-band p { color: rgba(255,255,255,.9); max-width: 560px; margin: 0 auto 30px; font-size: 1.1rem; }
.cta-band__actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ==========================================================================
   Footer
   ========================================================================== */
.footer { background: var(--navy); color: rgba(255,255,255,.72); padding: 64px 0 30px; }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; margin-bottom: 44px; }
.footer__brand img { height: 88px; margin-bottom: 16px; }
.footer__brand p { font-size: .95rem; max-width: 320px; }
.footer h4 { color: #fff; font-size: 1rem; margin-bottom: 18px; }
.footer__links li { margin-bottom: 11px; }
.footer__links a { font-size: .94rem; transition: color .2s; }
.footer__links a:hover { color: var(--sky); }
.footer__contact li { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 12px; font-size: .94rem; }
.footer__contact svg { width: 18px; height: 18px; color: var(--sky); flex: none; margin-top: 3px; }
.socials { display: flex; gap: 12px; margin-top: 8px; }
.socials a { width: 42px; height: 42px; border-radius: 12px; background: rgba(255,255,255,.1); display: grid; place-items: center; color: #fff; transition: background .2s, transform .2s; }
.socials a:hover { background: var(--sky); transform: translateY(-3px); }
.socials svg { width: 20px; height: 20px; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,.12); padding-top: 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: .85rem; }

/* Floating WhatsApp */
.wa-float {
  position: fixed; bottom: 24px; right: 24px; z-index: 90;
  width: 60px; height: 60px; border-radius: 50%; background: var(--whatsapp);
  display: grid; place-items: center; box-shadow: 0 8px 24px rgba(37,211,102,.5);
  transition: transform .2s; animation: pulse 2.5s infinite;
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 32px; height: 32px; color: #fff; }
@keyframes pulse { 0%{ box-shadow: 0 0 0 0 rgba(37,211,102,.5);} 70%{ box-shadow: 0 0 0 16px rgba(37,211,102,0);} 100%{ box-shadow: 0 0 0 0 rgba(37,211,102,0);} }

/* ==========================================================================
   Apartment detail page
   ========================================================================== */
.subhero { padding-top: calc(var(--header-h) + 60px); padding-bottom: 60px; background: var(--sand); }
.breadcrumb { font-size: .9rem; color: var(--muted); margin-bottom: 18px; }
.breadcrumb a:hover { color: var(--sky-600); }
.subhero h1 { font-size: clamp(2rem, 5vw, 3.2rem); margin-bottom: 12px; }
.subhero__loc { color: var(--sky-600); font-weight: 600; display: inline-flex; align-items: center; gap: 6px; margin-bottom: 20px; }
.subhero__specs { display: flex; gap: 26px; flex-wrap: wrap; }

.detail-gallery { display: grid; grid-template-columns: 2fr 1fr 1fr; grid-auto-rows: 220px; gap: 12px; margin-bottom: 12px; }
.detail-gallery .big { grid-row: span 2; grid-column: span 1; }
.detail-gallery__item { overflow: hidden; border-radius: var(--radius); cursor: pointer; }
.detail-gallery__item img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.detail-gallery__item:hover img { transform: scale(1.06); }

.detail__layout { display: grid; grid-template-columns: 1fr 380px; gap: 50px; align-items: start; }
.detail__main h2 { font-size: 1.7rem; margin: 8px 0 16px; }
.detail__main p { color: var(--muted); margin-bottom: 16px; }
.amen-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 8px; }
.amen { display: flex; align-items: center; gap: 12px; padding: 14px 16px; background: var(--white); border: 1px solid var(--line); border-radius: 14px; font-size: .95rem; font-weight: 500; }
.amen svg { width: 22px; height: 22px; color: var(--sky); flex: none; }
.divider { height: 1px; background: var(--line); margin: 40px 0; }

.booking-card {
  position: sticky; top: calc(var(--header-h) + 20px);
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 28px; box-shadow: var(--shadow-md);
}
.booking-card h3 { font-size: 1.3rem; margin-bottom: 6px; }
.booking-card__note { color: var(--muted); font-size: .92rem; margin-bottom: 20px; }
.booking-card .btn { margin-bottom: 12px; }
.booking-card__divider { text-align: center; color: var(--muted); font-size: .82rem; margin: 16px 0; position: relative; }
.booking-card__divider::before, .booking-card__divider::after { content:""; position:absolute; top:50%; width:38%; height:1px; background: var(--line); }
.booking-card__divider::before { left: 0; } .booking-card__divider::after { right: 0; }

/* ==========================================================================
   Utilities & animations
   ========================================================================== */
[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
[data-reveal].in { opacity: 1; transform: none; }
.no-scroll { overflow: hidden; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1024px) {
  .features__grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .location__grid, .host__grid { grid-template-columns: 1fr; gap: 34px; }
  .detail__layout { grid-template-columns: 1fr; }
  .booking-card { position: static; }
}
@media (max-width: 860px) {
  .nav, .header-actions .btn { display: none; }
  .burger { display: block; }
  .header-actions { gap: 8px; }
  .nav.open {
    display: flex; flex-direction: column; align-items: stretch; gap: 4px;
    position: absolute; top: var(--header-h); left: 0; right: 0;
    background: #fff; padding: 16px 24px 24px; box-shadow: var(--shadow-md);
  }
  .nav.open a { color: var(--navy); padding: 12px 14px; }
  .nav.open a:hover { background: var(--sky-100); }
  .section { padding: 68px 0; }
  .apts-grid { grid-template-columns: 1fr; gap: 26px; }
  .gallery__grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 150px; }
  .detail-gallery { grid-template-columns: 1fr 1fr; }
  .detail-gallery .big { grid-column: span 2; }
  .footer__grid { grid-template-columns: 1fr; gap: 30px; }
  .brand img { height: 44px; }
}
@media (max-width: 500px) {
  body { font-size: 16px; }
  .container { padding: 0 18px; }
  .features__grid { grid-template-columns: 1fr; }
  .gallery__grid { grid-template-columns: 1fr 1fr; grid-auto-rows: 120px; }
  .hero__cta { flex-direction: column; }
  .hero__cta .btn { width: 100%; justify-content: center; }
  .subhero__specs { gap: 16px; }
  .amen-grid { grid-template-columns: 1fr; }
}