/* =========================================================
   Wedding Invitation — Giuse Maria Hưng & Teresa My
   Mobile-first stylesheet. No build step, no dependencies.
   ========================================================= */

:root {
  --color-cream: #FBF8F1;
  --color-cream-deep: #F3ECD9;
  --color-white: #FFFFFF;
  --color-green: #2F4F3E;
  --color-green-deep: #223B2E;
  --color-green-soft: #4F6E5C;
  --color-gold: #C9A66B;
  --color-gold-soft: #E4D2AC;
  --color-gold-deep: #9C7B45;
  --color-ink: #2B2A26;

  --font-heading: 'Noto Serif', 'Cormorant Garamond', serif;
  --font-accent: 'Cormorant Garamond', serif;
  --font-name: 'Cormorant Garamond', serif;
  --font-date: 'Italiana', 'Cormorant Garamond', serif;
  --font-body: 'Noto Serif', serif;
  --font-mono: 'Montserrat', sans-serif;

  --container-w: 720px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-soft: 0 12px 30px -18px rgba(47, 79, 62, 0.35);

  --space-section: 5.5rem;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 64px;
}

body {
  margin: 0;
  background: var(--color-cream);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: var(--font-heading);
  color: var(--color-green-deep);
  margin: 0;
}

p { margin: 0; }

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

.container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.eyebrow {
  font-family: var(--font-accent);
  font-style: italic;
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  color: var(--color-gold-deep);
  text-align: center;
  margin-bottom: 0.5rem;
}

.section {
  padding: var(--space-section) 0;
}

.section__title {
  font-size: 1.9rem;
  text-align: center;
  margin-bottom: 2.2rem;
}

.section__desc {
  text-align: center;
  color: var(--color-green-soft);
  margin-top: -1.4rem;
  margin-bottom: 2rem;
}

/* -------- Scroll reveal -------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ================= STICKY HEADER ================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.5rem;
  background: rgba(251, 248, 241, 0.9);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(47, 79, 62, 0.08);
  transform: translateY(-100%);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.site-header.is-visible {
  transform: translateY(0);
  box-shadow: 0 6px 18px -12px rgba(47, 79, 62, 0.25);
}
.site-header__mono {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 1.05rem;
  color: var(--color-green);
  letter-spacing: 0.1em;
}
.mono-divider {
  display: inline-block;
  width: 1px;
  height: 0.9em;
  background: var(--color-gold);
}
.site-header__nav {
  display: none;
  gap: 1.4rem;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}
.site-header__nav a {
  color: var(--color-green-soft);
  white-space: nowrap;
  transition: color 0.2s ease;
}
.site-header__nav a:hover { color: var(--color-gold); }

@media (min-width: 640px) {
  .site-header__nav { display: flex; }
}

/* ================= HERO ================= */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3rem 1.5rem;
  background: var(--color-cream);
}

.hero__overline {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.95rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 1rem;
}

.hero__monogram {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  font-family: var(--font-mono);
  font-size: 3.6rem;
  line-height: 1;
  color: var(--color-green);
  margin-bottom: 1.4rem;
}
.hero__monogram-letter {
  font-weight: 400;
  letter-spacing: 0.03em;
}
.hero__monogram-divider {
  width: 1px;
  align-self: stretch;
  background: var(--color-gold);
  opacity: 0.8;
}

.hero__names {
  font-family: var(--font-name);
  font-weight: 500;
  letter-spacing: 0.03em;
  font-size: 2.3rem;
  color: var(--color-green-deep);
  line-height: 1.35;
  margin-bottom: 1.4rem;
}
.hero__amp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0.3rem 0;
}
.hero__amp img {
  width: 56px;
  height: auto;
  display: block;
  opacity: 0.9;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.hero__rule {
  display: block;
  width: 46px;
  height: 1px;
  background: var(--color-gold);
  margin: 0 auto 1.4rem;
}

.hero__date {
  font-family: var(--font-date);
  font-size: 1.65rem;
  letter-spacing: 0.12em;
  color: var(--color-green);
  margin-bottom: 0.6rem;
}

.hero__subtitle {
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  color: var(--color-green-soft);
  text-transform: uppercase;
}

@media (min-width: 640px) {
  .hero__monogram { font-size: 4.8rem; }
  .hero__names { font-size: 3.8rem; }
  .hero__date { font-size: 2rem; }
  .hero__amp img { width: 88px; }
}

/* ================= GREETING ================= */
.section--greeting {
  background: var(--color-white);
}
.greeting__line {
  font-size: 1.75rem;
  text-align: center;
  margin-bottom: 1.4rem;
}
.greeting__line span {
  color: var(--color-gold);
}
.greeting__body {
  max-width: 46ch;
  margin: 0 auto 1.2rem;
  text-align: center;
  font-size: 1.05rem;
  color: var(--color-ink);
}
/* ================= COUPLE ================= */
.couple {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.2rem;
}
.couple__person {
  text-align: center;
}
.couple__saint {
  font-family: var(--font-accent);
  font-style: italic;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: var(--color-gold-deep);
  margin-bottom: 0.3rem;
}
.couple__name {
  font-family: var(--font-name);
  font-weight: 500;
  letter-spacing: 0.03em;
  font-size: 2.8rem;
  line-height: 1.2;
  color: var(--color-green-deep);
  margin-bottom: 0.3rem;
}
.couple__label {
  font-family: var(--font-accent);
  font-style: italic;
  font-size: 0.92rem;
  color: var(--color-green-soft);
}
.couple__emblem {
  width: 40px;
  color: var(--color-gold);
  opacity: 0.85;
}
.couple__emblem svg { width: 100%; height: auto; display: block; }

@media (min-width: 720px) {
  .couple {
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 2.5rem;
  }
  .couple__person { flex: 1; max-width: 260px; }
  .couple__name { font-size: 3.2rem; }
}

/* ================= EVENTS ================= */
.section--events {
  background: var(--color-cream-deep);
}
.events {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.event-card {
  min-width: 0;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 1.9rem 1.7rem;
  box-shadow: var(--shadow-soft);
  border-top: 3px solid var(--color-gold);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.event-card__tag {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.4rem;
}
.event-card__title {
  font-size: 1.35rem;
  margin-bottom: 0.7rem;
}
.event-card__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.6rem 1.1rem;
  margin: 0.9rem 0 1.1rem;
}
.event-card__meta-block {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.event-card__meta-label {
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-gold);
}
.event-card__meta-value {
  font-family: var(--font-date);
  font-size: 1.6rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  color: var(--color-green-deep);
  line-height: 1;
}
.event-card__meta-value small {
  font-family: var(--font-body);
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-green-soft);
  margin-left: 0.35em;
}
.event-card__meta-value--date {
  font-size: 1.1rem;
  letter-spacing: 0.03em;
}
.event-card__meta-divider {
  width: 1px;
  align-self: stretch;
  background: var(--color-gold-soft);
}
.event-card__venue {
  font-size: 0.98rem;
  color: var(--color-ink);
  margin-bottom: 1rem;
}
.map-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  height: 96px;
  border-radius: var(--radius-md);
  background: var(--color-cream);
  border: 1px dashed var(--color-gold-soft);
  color: var(--color-gold);
  font-size: 0.78rem;
  text-align: center;
  padding: 0.5rem;
}

.event-card[hidden] { display: none; }
.event-card--muted {
  opacity: 0.5;
  transform: scale(0.98);
}
.event-card--highlight {
  border-top-color: var(--color-green);
  box-shadow: 0 16px 34px -16px rgba(47, 79, 62, 0.45);
}

@media (min-width: 860px) {
  .events {
    flex-direction: row;
    align-items: stretch;
  }
  .event-card { flex: 1; }
  /* 3 cards side-by-side need more room than the editorial 720px reading
     column — widen just this section's container so cards aren't forced
     to overflow past the container's right edge (which reads as
     "off-center"). */
  .section--events .container { max-width: 960px; }
}

/* ================= COUNTDOWN ================= */
.section--countdown {
  background: var(--color-green-deep);
  color: var(--color-cream);
}
.section--countdown .eyebrow { color: var(--color-gold-soft); }
.section--countdown .section__title { color: var(--color-cream); display:none; }
.countdown {
  display: flex;
  justify-content: center;
  gap: 0.9rem;
  flex-wrap: wrap;
}
.countdown__box {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 76px;
  height: 76px;
  border-radius: var(--radius-md);
  background: rgba(251, 248, 241, 0.08);
  border: 1px solid rgba(201, 166, 107, 0.4);
}
.countdown__num {
  font-family: var(--font-date);
  font-size: 1.8rem;
  letter-spacing: 0.02em;
  color: var(--color-gold-soft);
  line-height: 1;
}
.countdown__label {
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-cream);
  opacity: 0.75;
  margin-top: 0.3rem;
}

@media (min-width: 640px) {
  .countdown__box { width: 92px; height: 92px; }
  .countdown__num { font-size: 2.1rem; }
}

/* ================= GALLERY ================= */
.section--gallery {
  background: var(--color-white);
}
.section--gallery .section__desc {
  /* No .section__title in this section (removed), so undo the negative
     margin-top that .section__desc normally uses to sit snug under it. */
  margin-top: 0;
}
.gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.9rem;
}
.gallery__item {
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-md);
  background: var(--color-cream-deep);
  border: none;
  color: var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.gallery__item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-soft);
}
.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
}
.gallery__ph { display: flex; }

@media (min-width: 640px) {
  .gallery { grid-template-columns: repeat(3, 1fr); }
}

/* ================= LIGHTBOX ================= */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(34, 59, 46, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-cream);
}
.lightbox[hidden] { display: none; }
.lightbox__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
  max-width: min(92vw, 900px);
  max-height: 90vh;
  color: var(--color-gold-soft);
  text-align: center;
  font-size: 0.95rem;
}
.lightbox__img {
  display: block;
  max-width: 100%;
  max-height: 90vh;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  object-fit: contain;
}
.lightbox__close {
  position: absolute;
  top: 1.2rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: var(--color-cream);
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
}

/* ================= FOOTER ================= */
.footer {
  background: var(--color-green-deep);
  color: var(--color-cream);
  padding: 4rem 0 2.5rem;
  text-align: center;
}
.footer__verse {
  font-family: var(--font-accent);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--color-gold-soft);
  max-width: 40ch;
  margin: 0 auto 1.4rem;
  line-height: 1.6;
}
.footer__verse span {
  display: block;
  font-size: 0.75rem;
  font-style: normal;
  opacity: 0.7;
  margin-top: 0.4rem;
}
.footer__thanks {
  max-width: 42ch;
  margin: 0 auto 2rem;
  font-size: 0.95rem;
  opacity: 0.92;
}
.footer__mono {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 1.4rem;
  letter-spacing: 0.06em;
  color: var(--color-gold);
  margin-bottom: 0.6rem;
}
.footer__mono .mono-divider {
  height: 0.9em;
  background: var(--color-gold-soft);
}
.footer__credit {
  font-size: 0.75rem;
  opacity: 0.55;
  letter-spacing: 0.04em;
}