/* === TOKENS === */
:root{
  --sky-1:#f4e6c8;
  --sky-2:#e9c9a3;
  --water:#7c9885;
  --ink:#243b36;
  --accent:#d98a5f;
  --paper:#faf6ec;
  --paper-alt:#eee3cd;
  --ink-soft: rgba(36,59,54,0.78);
  --ink-faint: rgba(36,59,54,0.14);
  --font-display: 'Cormorant Garamond', serif;
  --font-body: 'Albert Sans', sans-serif;
}

*{ margin:0; padding:0; box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  font-family: var(--font-body);
  font-weight:300;
  color: var(--ink);
  background: var(--paper);
  line-height:1.6;
}
ul{ list-style:none; }
a{ color:inherit; }
img{ max-width:100%; display:block; }

.eyebrow{
  font-size:0.78rem;
  letter-spacing:0.28em;
  text-transform:uppercase;
  color: var(--accent);
  margin-bottom:0.8rem;
}
h1, h2, h3{ font-family: var(--font-display); font-weight:500; }
h2{ font-size: clamp(1.9rem, 4vw, 3rem); line-height:1.15; margin-bottom:1.4rem; }
h3{ font-size:1.4rem; margin-bottom:0.6rem; }
.lead{ font-size:1.15rem; margin-bottom:1rem; }
.note{ margin-top:1.2rem; color: var(--ink-soft); font-style:italic; font-family: var(--font-display); font-size:1.15rem; }

/* === BUTTONS === */
.btn{
  display:inline-block;
  font-family: var(--font-body);
  font-size:0.9rem;
  letter-spacing:0.03em;
  padding: 0.9rem 1.9rem;
  border-radius: 2px;
  text-decoration:none;
  transition: all .3s ease;
}
.btn.primary{ background: var(--ink); color: var(--paper); }
.btn.primary:hover{ background:#12211d; }
.btn.ghost{ border:1px solid var(--ink); color: var(--ink); }
.btn.ghost:hover{ background: var(--ink-faint); }

/* === HERO === */
.hero{
  position:relative;
  min-height:100vh;
  display:flex; flex-direction:column;
  overflow:hidden;
  background: linear-gradient(180deg, var(--sky-1) 0%, var(--sky-2) 46%, var(--water) 100%);
}
.hero .sun{
  position:absolute; top:16%; left:50%; transform:translateX(-50%);
  width:min(320px, 40vw); height:min(320px, 40vw);
  border-radius:50%;
  background: radial-gradient(circle at 50% 50%, rgba(255,244,214,0.95), rgba(255,244,214,0) 70%);
  filter: blur(2px);
}
.hero .ripple{
  position:absolute; left:0; right:0; bottom:0; height:36%;
  background: repeating-linear-gradient(180deg, rgba(255,255,255,0.08) 0px, rgba(255,255,255,0.08) 1px, transparent 1px, transparent 14px);
  opacity:0.5;
}
.nav{
  position:relative; z-index:2;
  display:flex; justify-content:space-between; align-items:center;
  padding: 1.8rem clamp(1.5rem, 5vw, 3.5rem);
}
.logo{ font-family: var(--font-display); font-size:1.25rem; font-weight:600; text-decoration:none; color:inherit; }
.logo-by{ font-family: var(--font-body); font-weight:400; font-size:0.7rem; letter-spacing:0.14em; text-transform:uppercase; opacity:0.7; margin-left:0.4rem; }
.nav-links{ display:flex; gap:1.6rem; }
.nav-link{ font-size:0.85rem; letter-spacing:0.06em; text-decoration:none; border-bottom:1px solid currentColor; padding-bottom:2px; }

.hero-content{
  position:relative; z-index:2;
  flex:1;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  text-align:center;
  padding: 2rem clamp(1.2rem, 6vw, 3rem) 4rem;
}
.kicker{ font-size:0.85rem; letter-spacing:0.32em; text-transform:uppercase; margin-bottom:1.2rem; }
.hero h1{
  font-size: clamp(2.4rem, 7vw, 5.2rem);
  line-height:1.1;
  max-width:19ch;
}
.hero h1 i{ font-style:italic; color: var(--accent); }
.hero .sub{
  margin-top:1.5rem;
  max-width:44ch;
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  color: var(--ink-soft);
}
.hero .actions{ margin-top:2.4rem; display:flex; gap:1rem; flex-wrap:wrap; justify-content:center; }

/* === SECTIONS === */
.section{
  padding: clamp(4rem, 9vw, 7rem) clamp(1.2rem, 6vw, 3.5rem);
  display:grid;
  gap: clamp(2rem, 6vw, 4rem);
}
.section.alt{ background: var(--paper-alt); }
.section-inner{ max-width: 1080px; margin:0 auto; width:100%; }
.section-inner.narrow{ max-width:640px; }
.section-inner.center{ text-align:center; }

/* two-column sections (intro / space / location) pair a text block with an image */
#gioi-thieu, #khong-gian, #vi-tri{
  grid-template-columns: 1fr;
}
@media (min-width: 900px){
  #gioi-thieu, #khong-gian, #vi-tri{
    grid-template-columns: 1fr 1fr;
    align-items:center;
    max-width:1200px;
    margin:0 auto;
  }
  #gioi-thieu .section-inner{ order:1; }
  #gioi-thieu .image-placeholder{ order:2; }
  #khong-gian .image-placeholder{ order:1; }
  #khong-gian .section-inner{ order:2; }
  #vi-tri .section-inner{ order:1; }
  #vi-tri .image-placeholder{ order:2; }
}

.image-placeholder{
  aspect-ratio: 4/3;
  border-radius:4px;
  display:flex; align-items:center; justify-content:center;
  text-align:center;
  padding:2rem;
  background: linear-gradient(155deg, var(--water) 0%, var(--sky-2) 60%, var(--sky-1) 100%);
  color: var(--paper);
  font-family: var(--font-display);
  font-style:italic;
  font-size:1.05rem;
}

.list{ margin: 1rem 0 0; }
.list li{
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--ink-faint);
}
.list li:first-child{ border-top: 1px solid var(--ink-faint); }

/* === EXPERIENCE CARDS === */
.card-grid{
  display:grid;
  gap: 1.6rem;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}
.card{
  background: var(--paper);
  border: 1px solid var(--ink-faint);
  border-radius:4px;
  padding: 2rem 1.6rem;
}
.card-index{
  display:block;
  font-family: var(--font-display);
  font-style:italic;
  color: var(--accent);
  font-size:1.6rem;
  margin-bottom:0.8rem;
}
.card p{ color: var(--ink-soft); font-size:0.95rem; }

/* === AMENITIES === */
.amenity-grid{
  display:grid;
  gap:1px;
  background: var(--ink-faint);
  border: 1px solid var(--ink-faint);
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.amenity{
  background: var(--paper);
  padding: 1.4rem 1.2rem;
  font-size:0.95rem;
}

/* === QUOTE === */
.quote-section{
  background: var(--ink);
  color: var(--sky-1);
  padding: clamp(4rem, 10vw, 8rem) clamp(1.5rem, 8vw, 6rem);
  display:flex; align-items:center; justify-content:center;
  text-align:center;
}
.quote{
  font-family: var(--font-display);
  font-style:italic;
  font-weight:400;
  font-size: clamp(1.5rem, 4vw, 2.6rem);
  line-height:1.4;
  max-width:20ch;
}

/* === BOOKING RECEIPT === */
.receipt{
  position:relative;
  max-width:420px;
  margin: 2.2rem auto;
  padding: 2rem 1.8rem;
  background: var(--paper);
  border: 1px dashed var(--ink-faint);
  text-align:left;
  font-family: var(--font-body);
}
.receipt-title{
  text-align:center;
  font-size:0.78rem;
  letter-spacing:0.2em;
  text-transform:uppercase;
  color: var(--ink-soft);
  margin-bottom:1.2rem;
}
.receipt-line{
  display:grid;
  grid-template-columns: 1fr auto auto;
  gap:0.6rem;
  align-items:baseline;
  padding: 0.5rem 0;
  font-size:0.9rem;
  border-bottom: 1px dotted var(--ink-faint);
}
.old-price{ text-decoration: line-through; color: var(--ink-soft); font-size:0.85rem; }
.new-price{ font-weight:500; color: var(--accent); white-space:nowrap; }
.receipt-divider{ height:1px; background: var(--ink-faint); margin: 0.8rem 0; }
.receipt-total{
  display:flex; justify-content:space-between; align-items:baseline;
  font-family: var(--font-display);
  font-size:1.2rem;
}
.receipt-note{
  margin-top:1.2rem;
  font-size:0.8rem;
  font-style:italic;
  color: var(--ink-soft);
}
.receipt-stamp{
  position:absolute;
  top: -14px;
  right: -10px;
  transform: rotate(12deg);
  border: 3px solid #b5342a;
  color:#b5342a;
  font-family: var(--font-display);
  font-weight:600;
  font-size:1rem;
  line-height:1.15;
  text-align:center;
  text-transform:uppercase;
  padding: 0.5rem 0.8rem;
  border-radius:8px;
  opacity:0.85;
}
@media (max-width: 480px){
  .receipt-stamp{ top:-10px; right:50%; transform: translateX(50%) rotate(-8deg); }
}

/* === FOOTER === */
.footer{
  background: var(--ink);
  color: var(--sky-1);
  text-align:center;
  padding: clamp(3rem, 6vw, 4rem) 1.5rem;
}
.footer-brand{ font-family: var(--font-display); font-size:1.3rem; letter-spacing:0.04em; }
.footer-brand span{ font-family: var(--font-body); font-size:0.72rem; letter-spacing:0.14em; opacity:0.7; }
.footer-tag{ margin-top:0.6rem; color: rgba(244,230,200,0.75); font-style:italic; font-family: var(--font-display); }
.footer-contact, .footer-address{ margin-top:1rem; font-size:0.9rem; color: rgba(244,230,200,0.8); }
.footer-copy{ margin-top:1.6rem; font-size:0.75rem; color: rgba(244,230,200,0.5); }

/* === REVEAL ON SCROLL === */
.reveal{
  opacity:0;
  transform: translateY(18px);
  transition: opacity .8s ease, transform .8s ease;
}
.reveal.in-view{ opacity:1; transform:translateY(0); }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  .reveal{ opacity:1; transform:none; transition:none; }
}