/* =========================================================================
   BASE.CSS — kerangka & mekanik bersama semua tema.
   Warna, font, dan tekstur diatur per-tema lewat CSS variables (theme-*.css).
   ========================================================================= */

:root {
  /* Fallback aman; tema akan menimpanya */
  --bg: #10241f;
  --bg-2: #16382f;
  --surface: #fbfaf4;
  --surface-2: #f2f0e6;
  --ink: #1c2a27;
  --ink-soft: #5c6b66;
  --line: rgba(20, 40, 35, 0.14);
  --card: #ffffff;           /* latar kartu (tema gelap menimpanya) */
  --accent: #123f39;
  --accent-2: #8f3150;
  --gold: #b88a35;
  --on-accent: #ffffff;

  --font-display: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --font-body: "Poppins", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-script: "Great Vibes", "Cormorant Garamond", cursive;
  --font-arabic: "Amiri", "Traditional Arabic", serif;

  --col: 30rem;              /* lebar kolom undangan (gaya kartu ponsel) */
  --radius: 10px;
  --shadow: 0 24px 60px rgba(10, 20, 18, 0.18);
  --col-shadow: 0 0 80px rgba(0, 0, 0, 0.25);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--bg);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: clip;
}

body.is-locked { overflow: hidden; height: 100dvh; }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, a, input, textarea, select { font: inherit; }

.display { font-family: var(--font-display); font-weight: 500; letter-spacing: 0.01em; }
.arabic  { font-family: var(--font-arabic); direction: rtl; line-height: 2.1; }
.amp     { color: var(--gold); font-style: italic; }

/* ---------- Elemen teks umum ---------- */
.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.32em;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--accent-2);
}

.lead {
  margin: 0 auto;
  max-width: 26rem;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

.section-title { margin: 0.3rem 0 0; font-size: 2.4rem; color: var(--accent); line-height: 1.1; }

.ornament { width: 6.5rem; margin: 0 auto; opacity: 0.9; }
.ornament--lg { width: 8.5rem; }

/* Monogram P & H (SVG inline; huruf mengikuti font tema) */
.monogram { display: block; height: auto; margin: 0 auto; color: var(--gold); overflow: visible; }
.monogram__frame { stroke-width: 1.4; }
.monogram .mono-letter { font-family: var(--font-display); font-size: 58px; font-weight: 500; fill: var(--accent); }
.monogram .mono-amp { font-family: var(--font-display); font-size: 28px; font-style: italic; fill: var(--gold); }

/* ---------- Tombol ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 3rem;
  padding: 0.8rem 1.5rem;
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}
.btn--primary {
  color: var(--on-accent);
  background: var(--accent);
  box-shadow: 0 14px 30px rgba(10, 20, 18, 0.22);
}
.btn--ghost {
  color: var(--accent);
  background: transparent;
  border-color: var(--line);
}
.btn:hover { transform: translateY(-2px); }
.btn:focus-visible { outline: 3px solid color-mix(in srgb, var(--gold) 60%, transparent); outline-offset: 3px; }
.btn__icon { font-size: 1.05em; }

/* =========================================================================
   SAMPUL (efek "lembaran terbuka")
   ========================================================================= */
.cover {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: 1.1rem;
  background: var(--bg-2);
  transition: opacity 0.5s ease 0.55s, visibility 0.5s ease 0.55s;
}
.cover__bg {
  position: absolute;
  inset: 0;
  background: var(--cover-bg, linear-gradient(150deg, var(--bg), var(--bg-2)));
  opacity: 0.96;
}
.cover__book {
  position: relative;
  width: min(100%, var(--col));
  perspective: 1600px;
}
.cover__page {
  position: relative;
  padding: 2.6rem 1.5rem;
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  text-align: center;
  transform-origin: left center;
  transform-style: preserve-3d;
  will-change: transform;
}
.cover__page::after { /* bayangan "punggung buku" saat membuka */
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.28), transparent 22%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

/* keadaan membuka */
.cover.is-opening { opacity: 0; visibility: hidden; }
.cover.is-opening .cover__page { animation: pageTurn 1.15s cubic-bezier(0.30, 0.75, 0.20, 1) forwards; }
.cover.is-opening .cover__page::after { opacity: 1; }

@keyframes pageTurn {
  0%   { transform: rotateY(0deg); }
  100% { transform: rotateY(-118deg) translateX(-1.5rem); }
}

.cover .frame { display: grid; gap: 1rem; justify-items: center; }
.cover__names { margin: 0; font-size: clamp(2.6rem, 12vw, 3.4rem); line-height: 1; color: var(--accent); }
.cover__names .amp { display: block; font-size: 1.6rem; margin: 0.2rem 0; }
.cover__date { margin: 0; color: var(--ink-soft); letter-spacing: 0.04em; }

/* Kartu penerima (Kepada Yth.) */
.guest-card {
  width: min(100%, 19rem);
  display: grid;
  gap: 0.15rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
}
.guest-card__to { color: var(--ink-soft); font-size: 0.82rem; letter-spacing: 0.05em; }
.guest-card__name { font-family: var(--font-display); font-size: 1.3rem; font-weight: 600; color: var(--ink); line-height: 1.25; }
.guest-card__family { color: var(--ink-soft); font-size: 0.85rem; }
.guest-card__at { color: var(--ink-soft); font-size: 0.78rem; margin-top: 0.25rem; }
.guest-card__address { color: var(--ink); font-size: 0.9rem; }

/* =========================================================================
   ISI UNDANGAN — kolom terpusat gaya kartu
   ========================================================================= */
.invitation {
  position: relative;
  width: min(100%, var(--col));
  margin-inline: auto;
  background: var(--surface);
  box-shadow: var(--col-shadow);
}
.js .invitation[aria-hidden="true"] { pointer-events: none; }

.scene {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 4.5rem 1.5rem 3.2rem;
  overflow: hidden;
}
.scene__bg { position: absolute; inset: 0; pointer-events: none; }
.scene__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  display: grid;
  gap: 1.15rem;
  justify-items: center;
  text-align: center;
  flex: 1;
  align-content: center;
}

/* animasi muncul saat digulir (hanya jika JS aktif) */
.js .scene__inner > * { opacity: 0; transform: translateY(18px); transition: opacity 0.7s ease, transform 0.7s ease; }
.js .scene.is-visible .scene__inner > * { opacity: 1; transform: none; }
.js .scene.is-visible .scene__inner > *:nth-child(2) { transition-delay: 0.08s; }
.js .scene.is-visible .scene__inner > *:nth-child(3) { transition-delay: 0.16s; }
.js .scene.is-visible .scene__inner > *:nth-child(4) { transition-delay: 0.24s; }
.js .scene.is-visible .scene__inner > *:nth-child(5) { transition-delay: 0.32s; }

/* ---------- Hero ---------- */
.hero__names { margin: 0; font-size: clamp(2.8rem, 13vw, 3.6rem); color: var(--accent); line-height: 1.02; }
.hero__names .amp { display: block; font-size: 1.5rem; margin: 0.1rem 0; }

.countdown { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.55rem; width: min(100%, 22rem); }
.countdown__unit {
  display: grid;
  gap: 0.15rem;
  padding: 0.75rem 0.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
}
.countdown__unit strong { font-family: var(--font-display); font-size: 1.6rem; color: var(--accent); line-height: 1; }
.countdown__unit span { font-size: 0.66rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-soft); }

.scroll-cue { margin-top: 0.6rem; width: 1.7rem; height: 1.7rem; border-radius: 50%; border: 1px solid var(--line); display: grid; place-items: center; }
.scroll-cue span { width: 0.5rem; height: 0.5rem; border-right: 1.5px solid var(--accent); border-bottom: 1.5px solid var(--accent); transform: translateY(-2px) rotate(45deg); animation: bob 1.6s ease-in-out infinite; }
@keyframes bob { 0%, 100% { transform: translateY(-2px) rotate(45deg); } 50% { transform: translateY(2px) rotate(45deg); } }

/* ---------- Bismillah & mempelai ---------- */
.bismillah { font-family: var(--font-arabic); direction: rtl; font-size: 1.7rem; color: var(--accent); margin: 0; line-height: 2; }

.couple { display: grid; gap: 1.4rem; width: 100%; justify-items: center; }
.person { display: grid; gap: 0.35rem; justify-items: center; }
.person__monogram {
  width: 4.6rem; height: 4.6rem;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-family: var(--font-display);
  font-size: 2rem;
  background: var(--card);
}
.person__name { margin: 0.35rem 0 0; font-size: 1.7rem; color: var(--accent); line-height: 1.2; }
.person__role { margin: 0; color: var(--accent-2); font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; }
.person__parents { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }
.couple__amp { font-size: 2.2rem; color: var(--gold); line-height: 1; }

/* ---------- Acara ---------- */
.events__grid { display: grid; gap: 1rem; width: 100%; }
.event {
  padding: 1.6rem 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  text-align: center;
}
.event__label { margin: 0; color: var(--accent-2); font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; font-size: 0.72rem; }
.event__status { margin: 0.4rem 0 1.1rem; font-size: 1.6rem; color: var(--accent); line-height: 1.15; }
.event__meta { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.6rem; }
.event__meta li { display: grid; gap: 0.05rem; color: var(--ink); font-size: 0.98rem; }
.event__meta li span { color: var(--ink-soft); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; }
.event__actions { display: flex; flex-wrap: wrap; gap: 0.6rem; justify-content: center; margin-top: 1.2rem; }

/* ---------- Lokasi ---------- */
.venue__map { width: 100%; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); }
.venue__map iframe { width: 100%; height: 16rem; border: 0; display: block; filter: saturate(0.85); }

/* ---------- Ayat & doa ---------- */
.verse-arabic { margin: 0; font-size: 1.7rem; color: var(--accent); line-height: 2.2; }
.verse-meaning { margin: 0; max-width: 24rem; color: var(--ink-soft); font-style: italic; font-family: var(--font-display); font-size: 1.15rem; }
.verse-source { margin: 0; color: var(--accent-2); letter-spacing: 0.1em; font-size: 0.78rem; text-transform: uppercase; }
.dua { display: grid; gap: 0.8rem; justify-items: center; padding: 1.6rem 1.2rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); }
.dua__latin { margin: 0; color: var(--ink); font-style: italic; }

/* ---------- Penutup ---------- */
.closing__salam { margin: 0; color: var(--ink-soft); }
.closing__names { margin: 0; font-size: 2.6rem; color: var(--accent); }
.closing__families { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }

/* =========================================================================
   Catatan personal "khusus untuk ..." di bawah tiap halaman
   ========================================================================= */
.guest-note {
  position: relative;
  z-index: 1;
  margin: 2.2rem auto 0;
  max-width: 22rem;
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.76rem;
  letter-spacing: 0.02em;
  opacity: 0.9;
}
.guest-note strong { color: var(--accent); font-weight: 500; }
.guest-note__mark { color: var(--gold); }
.guest-note--generic { font-style: italic; }

/* ---------- Kredit ---------- */
.credit { padding: 2.6rem 1.5rem 6rem; text-align: center; background: var(--bg-2); color: var(--on-accent); }
.credit .guest-note { color: color-mix(in srgb, var(--on-accent) 78%, transparent); margin-top: 0; }
.credit .guest-note strong { color: var(--gold); }
.credit__by { margin: 1.4rem 0 0; font-size: 0.76rem; letter-spacing: 0.06em; color: color-mix(in srgb, var(--on-accent) 62%, transparent); }
.credit__by a { color: color-mix(in srgb, var(--on-accent) 82%, transparent); border-bottom: 1px solid color-mix(in srgb, var(--gold) 60%, transparent); }

/* =========================================================================
   Dock navigasi
   ========================================================================= */
.dock {
  position: fixed;
  left: 50%;
  bottom: max(0.8rem, env(safe-area-inset-bottom));
  transform: translateX(-50%);
  z-index: 40;
  display: flex;
  max-width: calc(100% - 1.4rem);
  overflow-x: auto;
  scrollbar-width: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: blur(14px);
  box-shadow: 0 14px 34px rgba(10, 20, 18, 0.18);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}
.dock::-webkit-scrollbar { display: none; }
body.is-open .dock { opacity: 1; visibility: visible; }
.dock a { flex: 0 0 auto; padding: 0.7rem 0.85rem; font-size: 0.72rem; letter-spacing: 0.04em; color: var(--ink-soft); white-space: nowrap; }
.dock a.is-active { color: var(--accent); font-weight: 500; }

/* =========================================================================
   Pemilih tema (mode preview) & aksesibilitas
   ========================================================================= */
.theme-switch {
  position: fixed;
  top: max(0.7rem, env(safe-area-inset-top));
  left: 50%;
  transform: translateX(-50%);
  z-index: 70;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.35rem 0.5rem;
  border-radius: 999px;
  background: rgba(20, 20, 25, 0.82);
  color: #fff;
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  font-size: 0.72rem;
}
.theme-switch__label { padding-left: 0.4rem; opacity: 0.7; letter-spacing: 0.08em; text-transform: uppercase; font-size: 0.62rem; }
.theme-switch__btn { padding: 0.35rem 0.7rem; border-radius: 999px; color: #fff; opacity: 0.8; }
.theme-switch__btn.is-active { background: #fff; color: #111; opacity: 1; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
  .cover.is-opening .cover__page { transform: none; }
}

@media (min-width: 992px) {
  .section-title { font-size: 2.7rem; }
}