/* ==========================================================================
   Vireak & Mony — Cambodian Wedding Celebration
   Design system: warm editorial (Ora Studio inspired) + Khmer crest accents
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400;1,500&family=Inter:wght@400;500;600;700&display=swap');

:root{
  /* Color tokens — pulled from the couple's crest (copper + teal) over a warm
     ivory ground, echoing Ora Studio's cream/champagne editorial palette. */
  --color-bg: #FAF5EB;
  --color-bg-alt: #F1E8D8;
  --color-surface: #FFFFFF;
  --color-ink: #2B241E;
  --color-ink-soft: #5B5145;
  --color-ink-faint: #8A7F6F;

  --color-copper: #A85C33;
  --color-copper-dark: #7E4324;
  --color-copper-tint: #F0DCC9;

  --color-teal: #3F6C63;
  --color-teal-dark: #2C4E47;
  --color-teal-tint: #D9E9E4;

  --color-line: #E3D6C1;
  --color-line-soft: #EDE3D2;

  --color-on-dark: #F6EFE2;

  /* Typography */
  --font-display: 'Fraunces', 'Iowan Old Style', 'Georgia', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing scale (4/8pt rhythm) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;
  --space-7: 64px;
  --space-8: 96px;
  --space-9: 144px;

  --container-max: 1180px;
  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 22px;

  --shadow-soft: 0 8px 30px -12px rgba(43, 36, 30, 0.18);
  --shadow-card: 0 2px 14px rgba(43, 36, 30, 0.08);

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 180ms;
  --dur-med: 280ms;
}

@media (prefers-color-scheme: dark){
  /* The site commits intentionally to a warm light editorial look — like a
     printed invitation suite — in both system modes, rather than inverting
     to a dark theme. We keep the same tokens so content stays legible and
     on-brand regardless of system setting. */
  :root{ color-scheme: light; }
}

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

html{
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body{
  margin: 0;
  min-height: 100dvh;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a{ color: inherit; text-decoration: none; }

button{ font-family: inherit; }

h1, h2, h3, h4{
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.1;
  margin: 0 0 var(--space-3);
  color: var(--color-ink);
}

h1{ font-size: clamp(2.6rem, 3rem + 3vw, 5.4rem); font-weight: 400; letter-spacing: -0.01em; }
h2{ font-size: clamp(2rem, 1.6rem + 2vw, 3.2rem); font-weight: 400; }
h3{ font-size: clamp(1.4rem, 1.2rem + 1vw, 1.9rem); }
h4{ font-size: 1.15rem; font-weight: 600; font-family: var(--font-body); text-transform: uppercase; letter-spacing: 0.08em; }

p{ margin: 0 0 var(--space-3); color: var(--color-ink-soft); }
p:last-child{ margin-bottom: 0; }

.lede{ font-size: 1.15rem; line-height: 1.7; max-width: 62ch; }

.eyebrow{
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-copper);
}
.eyebrow::before{
  content: "";
  width: 28px;
  height: 1px;
  background: currentColor;
  display: inline-block;
}

.container{
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-4);
}
@media (min-width: 768px){
  .container{ padding-inline: var(--space-6); }
}

section{ padding-block: var(--space-8); }
@media (max-width: 640px){
  section{ padding-block: var(--space-7); }
}

.section-alt{ background: var(--color-bg-alt); }
.section-dark{ background: var(--color-teal-dark); color: var(--color-on-dark); }
.section-dark h1, .section-dark h2, .section-dark h3{ color: var(--color-on-dark); }
.section-dark p{ color: rgba(246,239,226,0.82); }

hr.rule{
  border: none;
  border-top: 1px solid var(--color-line);
  margin: var(--space-7) 0;
}

/* ---------- Buttons ---------- */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 14px 30px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform var(--dur-fast) var(--ease-out), background var(--dur-med) var(--ease-out), color var(--dur-med) var(--ease-out), border-color var(--dur-med) var(--ease-out);
  min-height: 48px;
}
.btn:active{ transform: scale(0.97); }
.btn-primary{ background: var(--color-copper); color: #FFF9F1; }
.btn-primary:hover{ background: var(--color-copper-dark); }
.btn-outline{ background: transparent; color: var(--color-ink); border-color: var(--color-ink); }
.btn-outline:hover{ background: var(--color-ink); color: var(--color-bg); }
.btn-on-dark{ background: transparent; color: var(--color-on-dark); border-color: rgba(246,239,226,0.5); }
.btn-on-dark:hover{ background: var(--color-on-dark); color: var(--color-teal-dark); }

/* ---------- Header / Nav ---------- */
.site-header{
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 245, 235, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-line-soft);
}
.site-header .container{
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}
.brand{
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.02em;
}
.brand img{ height: 44px; width: auto; }
.brand small{
  display: block;
  font-family: var(--font-body);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-ink-faint);
  margin-top: 2px;
}

.nav-links{
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a{
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
  padding-block: 6px;
  border-bottom: 2px solid transparent;
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}
.nav-links a:hover, .nav-links a[aria-current="page"]{
  color: var(--color-copper);
  border-color: var(--color-copper);
}

.nav-toggle{
  display: none;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border: 1px solid var(--color-line);
  border-radius: 50%;
  background: var(--color-surface);
  cursor: pointer;
}
.nav-toggle svg{ width: 20px; height: 20px; }

@media (max-width: 960px){
  /* backdrop-filter on an ancestor creates a new containing block for
     position:fixed descendants — disable it here so the full-screen
     mobile nav positions against the viewport, not the header. */
  .site-header{ backdrop-filter: none; }
  .nav-toggle{ display: inline-flex; }
  .nav-links{
    position: fixed;
    inset: 84px 0 0 0;
    background: var(--color-bg);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: var(--space-5);
    padding: var(--space-6) var(--space-5);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out);
    overflow-y: auto;
  }
  .nav-links a{ font-size: 1.1rem; }
  body.nav-open .nav-links{
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  body.nav-open{ overflow: hidden; }
}

/* ---------- Hero ---------- */
.hero{
  position: relative;
  min-height: 92dvh;
  display: flex;
  align-items: flex-end;
  color: var(--color-on-dark);
  overflow: hidden;
}
.hero-bg{
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
}
.hero-bg::after{
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(30,24,18,0.15) 0%, rgba(24,19,15,0.35) 55%, rgba(20,16,12,0.72) 100%);
}
.hero-content{
  position: relative;
  z-index: 1;
  width: 100%;
  padding-block: var(--space-8) var(--space-7);
}
.hero-crest{
  width: 92px;
  height: auto;
  margin-bottom: var(--space-4);
  filter: drop-shadow(0 6px 16px rgba(0,0,0,0.4));
}
.hero h1, .page-hero h1{ color: var(--color-on-dark); margin-bottom: var(--space-4); }
.hero .eyebrow, .page-hero .eyebrow{ color: var(--color-teal-tint); }
.hero-meta{
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-6);
  margin-top: var(--space-5);
  font-size: 0.95rem;
}
.hero-meta div{ display: flex; align-items: center; gap: var(--space-2); }
.hero-meta strong{ font-weight: 600; }

.page-hero{
  position: relative;
  min-height: 52vh;
  display: flex;
  align-items: flex-end;
  color: var(--color-on-dark);
  overflow: hidden;
}
.page-hero .hero-content{ padding-block: var(--space-7) var(--space-6); }

/* ---------- Cards & grids ---------- */
.grid{ display: grid; gap: var(--space-5); align-items: stretch; }
.grid-2{ grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-3{ grid-template-columns: repeat(1, 1fr); }
@media (min-width: 640px){ .grid-3{ grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px){ .grid-3{ grid-template-columns: repeat(3, 1fr); } }

.card{
  background: var(--color-surface);
  border: 1px solid var(--color-line-soft);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  box-shadow: var(--shadow-card);
}

.event-card{
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-line-soft);
  display: grid;
  grid-template-columns: 320px 1fr;
  box-shadow: var(--shadow-card);
}
.event-card .event-photo{
  position: relative;
  min-height: 260px;
  background-size: cover;
  background-position: center;
}
.event-card .event-body{ padding: var(--space-6); }
.event-card .event-day{
  font-family: var(--font-display);
  font-size: 2.6rem;
  color: var(--color-copper);
  line-height: 1;
}
.event-card .event-time{ color: var(--color-ink-faint); font-size: 0.85rem; letter-spacing: 0.04em; text-transform: uppercase; }
.event-card dl{ display: grid; grid-template-columns: auto 1fr; gap: var(--space-2) var(--space-4); margin: var(--space-4) 0 0; font-size: 0.92rem; }
.event-card dt{ color: var(--color-ink-faint); font-weight: 600; }
.event-card dd{ margin: 0; color: var(--color-ink-soft); }
.event-card .dress-note{
  margin-top: var(--space-4);
  padding: var(--space-4);
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  border-left: 3px solid var(--color-copper);
}
.event-card.is-placeholder .event-day, .event-card.is-placeholder h3{ color: var(--color-ink-faint); }
.event-card.is-placeholder{ border-style: dashed; }
.placeholder-pill{
  display: inline-block;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--color-copper-dark);
  background: var(--color-copper-tint);
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: var(--space-3);
}

@media (max-width: 800px){
  .event-card{ grid-template-columns: 1fr; }
  .event-card .event-photo{ min-height: 200px; }
}

/* ---------- Info list blocks (travel / guide pages) ---------- */
.info-block{ margin-bottom: var(--space-7); }
.info-block:last-child{ margin-bottom: 0; }
.info-block h3{ display: flex; align-items: center; gap: var(--space-3); }
.info-block h3 svg{ width: 22px; height: 22px; color: var(--color-copper); flex-shrink: 0; }

.list-plain{ list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-3); }
.list-plain li{
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-line-soft);
  border-radius: var(--radius-sm);
}
.list-plain li strong{ color: var(--color-ink); }

.tag-list{ display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-3); }
.tag{
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--color-teal-tint);
  color: var(--color-teal-dark);
}

/* ---------- Tabs (itinerary) ---------- */
.tabs{ display: flex; flex-wrap: wrap; gap: var(--space-2); margin-bottom: var(--space-5); }
.tab-btn{
  padding: 10px 22px;
  border-radius: 999px;
  border: 1px solid var(--color-line);
  background: var(--color-surface);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}
.tab-btn[aria-selected="true"]{ background: var(--color-ink); color: var(--color-bg); border-color: var(--color-ink); }
.tab-panel{ display: none; }
.tab-panel.is-active{ display: block; }

/* ---------- Accordion (FAQ) ---------- */
.accordion-item{
  border-bottom: 1px solid var(--color-line);
}
.accordion-trigger{
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) 0;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--color-ink);
  cursor: pointer;
}
.accordion-trigger .icon-plus{
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--color-line);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: transform var(--dur-med) var(--ease-out), background var(--dur-med) var(--ease-out);
}
.accordion-trigger .icon-plus::before, .accordion-trigger .icon-plus::after{
  content: "";
  position: absolute;
  background: var(--color-ink);
  transition: transform var(--dur-med) var(--ease-out), opacity var(--dur-med) var(--ease-out);
}
.accordion-trigger .icon-plus::before{ width: 12px; height: 1.5px; }
.accordion-trigger .icon-plus::after{ width: 1.5px; height: 12px; }
.accordion-item[data-open="true"] .icon-plus{ background: var(--color-copper); border-color: var(--color-copper); }
.accordion-item[data-open="true"] .icon-plus::before, .accordion-item[data-open="true"] .icon-plus::after{ background: #fff; }
.accordion-item[data-open="true"] .icon-plus::after{ opacity: 0; transform: rotate(90deg); }
.accordion-panel{
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--dur-med) var(--ease-out);
}
.accordion-panel-inner{ padding-bottom: var(--space-5); }

.phrase-grid{ display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap: var(--space-3); margin-top: var(--space-3); }
.phrase-card{ background: var(--color-bg-alt); border-radius: var(--radius-sm); padding: var(--space-3) var(--space-4); }
.phrase-card .en{ font-weight: 600; }
.phrase-card .km{ color: var(--color-copper); font-family: var(--font-display); font-size: 1.1rem; }

/* ---------- Gallery ---------- */
.gallery{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}
.gallery a{ display: block; overflow: hidden; border-radius: var(--radius-sm); aspect-ratio: 4 / 5; }
.gallery img{ width: 100%; height: 100%; object-fit: cover; transition: transform 500ms var(--ease-out); }
.gallery a:hover img{ transform: scale(1.05); }
@media (max-width: 700px){ .gallery{ grid-template-columns: repeat(2, 1fr); } }

/* ---------- Footer ---------- */
.site-footer{
  background: var(--color-teal-dark);
  color: var(--color-on-dark);
  padding-block: var(--space-8) var(--space-6);
}
.site-footer .footer-top{
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid rgba(246,239,226,0.18);
}
.site-footer .brand-mark{ display: flex; align-items: center; gap: var(--space-3); }
.site-footer .brand-mark img{ height: 52px; }
.site-footer h4{ color: var(--color-on-dark); opacity: 0.6; margin-bottom: var(--space-3); }
.site-footer nav ul{ list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-2); }
.site-footer nav a{ color: rgba(246,239,226,0.85); font-size: 0.92rem; }
.site-footer nav a:hover{ color: var(--color-on-dark); text-decoration: underline; }
.footer-bottom{
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-3);
  padding-top: var(--space-5);
  font-size: 0.78rem;
  color: rgba(246,239,226,0.55);
}

/* ---------- Utility ---------- */
.text-center{ text-align: center; }
.mx-auto{ margin-inline: auto; }
.mt-0{ margin-top: 0; }
.reveal{
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms var(--ease-out), transform 600ms var(--ease-out);
}
.reveal.is-visible{ opacity: 1; transform: translateY(0); }

.media-sticky{ align-self: start; position: sticky; top: 104px; }
@media (max-width: 800px){
  .media-sticky{ position: static; }
}

.skip-link{
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-ink);
  color: var(--color-bg);
  padding: 12px 20px;
  z-index: 1000;
  border-radius: 0 0 8px 0;
}
.skip-link:focus{ left: 0; }

:focus-visible{
  outline: 2px solid var(--color-copper);
  outline-offset: 3px;
}