/* =========================================================================
   Thiệp cưới online - lamha.love
   Style dùng chung cho cả /nha-trai và /nha-gai.
   Muốn đổi màu / font chủ đạo cho CẢ HAI trang: sửa các biến trong :root.
   Muốn đổi màu / font riêng cho MỘT trang: mỗi trang có thẻ <body> với
   class riêng (body.side-trai / body.side-gai) - xem phần "Theo từng nhà"
   ở cuối file.
   ========================================================================= */

@import url("https://fonts.googleapis.com/css2?family=Great+Vibes&family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;1,400&family=Be+Vietnam+Pro:wght@300;400;500;600&display=swap");

:root {
  --color-bg: #fdf8f4;
  --color-bg-alt: #f7efe8;
  --color-ink: #3f342e;
  --color-ink-soft: #7a6a60;
  --color-accent: #b98a7a;
  --color-accent-dark: #8f5c4c;
  --color-line: #e3d4c8;
  --color-card: #ffffff;

  --font-script: "Great Vibes", cursive;
  --font-serif: "Cormorant Garamond", serif;
  --font-sans: "Be Vietnam Pro", sans-serif;

  --max-width: 560px;
  --radius: 18px;
  --shadow-soft: 0 12px 30px rgba(63, 52, 46, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
}

section {
  padding: 64px 0;
  position: relative;
}

.section-title {
  text-align: center;
  font-family: var(--font-script);
  font-size: 44px;
  color: var(--color-accent-dark);
  margin: 0 0 8px;
  font-weight: 400;
}

.section-subtitle {
  text-align: center;
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-ink-soft);
  margin: 0 0 36px;
}

.divider {
  width: 60px;
  height: 1px;
  background: var(--color-accent);
  margin: 0 auto 36px;
  opacity: 0.6;
}

/* ---------- Reveal-on-scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Falling petals ---------- */
#petals {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 40;
  overflow: hidden;
}

.petal {
  position: absolute;
  top: -10%;
  font-size: 18px;
  opacity: 0.85;
  animation-name: petal-fall;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
  will-change: transform;
}

@keyframes petal-fall {
  0% {
    transform: translate3d(0, -10vh, 0) rotate(0deg);
  }
  100% {
    transform: translate3d(var(--drift, 40px), 110vh, 0) rotate(340deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .petal {
    animation: none;
    display: none;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 48px 0;
  background-size: cover;
  background-position: center;
  position: relative;
  color: #fff;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(63, 45, 38, 0.45) 0%,
    rgba(63, 45, 38, 0.25) 45%,
    rgba(63, 45, 38, 0.6) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 0 24px;
}

.hero-eyebrow {
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 4px;
  text-transform: uppercase;
  opacity: 0.9;
  margin-bottom: 18px;
}

.hero-names {
  font-family: var(--font-script);
  font-size: 64px;
  line-height: 1.15;
  margin: 0;
}

.hero-amp {
  display: block;
  font-size: 32px;
  margin: 4px 0;
  opacity: 0.9;
}

.hero-date {
  margin-top: 22px;
  font-family: var(--font-sans);
  font-size: 14px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.hero-scroll {
  margin-top: 40px;
  font-size: 24px;
  animation: bob 2.2s ease-in-out infinite;
  opacity: 0.85;
}

@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* ---------- Intro / lời mời ---------- */
.invite-card {
  background: var(--color-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  padding: 36px 28px;
  text-align: center;
}

.invite-card p {
  margin: 0 0 14px;
}

.invite-family {
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--color-ink-soft);
  margin: 20px 0;
}

.invite-family strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 19px;
  color: var(--color-ink);
  font-weight: 600;
}

.invite-groom-bride {
  font-family: var(--font-script);
  font-size: 34px;
  color: var(--color-accent-dark);
  margin: 18px 0;
}

/* ---------- Countdown ---------- */
.countdown {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.countdown-item {
  background: var(--color-card);
  border-radius: 14px;
  box-shadow: var(--shadow-soft);
  width: 76px;
  padding: 14px 0 10px;
  text-align: center;
}

.countdown-value {
  font-family: var(--font-serif);
  font-size: 30px;
  font-weight: 600;
  color: var(--color-accent-dark);
  line-height: 1;
}

.countdown-label {
  margin-top: 6px;
  font-family: var(--font-sans);
  font-size: 10px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-ink-soft);
}

.countdown-done {
  text-align: center;
  font-family: var(--font-script);
  font-size: 28px;
  color: var(--color-accent-dark);
}

/* ---------- Timeline (lịch trình / love story) ---------- */
.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 2px solid var(--color-line);
  margin-left: 10px;
}

.timeline li {
  position: relative;
  padding: 0 0 32px 28px;
}

.timeline li:last-child {
  padding-bottom: 0;
}

.timeline li::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 2px solid var(--color-bg);
  box-shadow: 0 0 0 2px var(--color-accent);
}

.timeline-time {
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  font-weight: 600;
}

.timeline-title {
  font-size: 20px;
  font-weight: 600;
  margin: 2px 0 4px;
}

.timeline-desc {
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--color-ink-soft);
  margin: 0;
}

/* ---------- Love story ---------- */
.story-item {
  display: flex;
  gap: 18px;
  align-items: center;
  margin-bottom: 30px;
}

.story-item:nth-child(even) {
  flex-direction: row-reverse;
  text-align: right;
}

.story-photo {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  box-shadow: var(--shadow-soft);
}

.story-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.story-year {
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 1.5px;
  color: var(--color-accent-dark);
  text-transform: uppercase;
}

.story-title {
  font-size: 19px;
  font-weight: 600;
  margin: 2px 0 4px;
}

.story-desc {
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--color-ink-soft);
  margin: 0;
}

/* ---------- Gallery ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.gallery-grid button {
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: 8px;
}

.gallery-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.gallery-grid button:hover img,
.gallery-grid button:focus-visible img {
  transform: scale(1.08);
}

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(20, 15, 12, 0.92);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 24px;
}

.lightbox.is-open {
  display: flex;
}

.lightbox img {
  max-width: 100%;
  max-height: 82vh;
  border-radius: 10px;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 42px;
  height: 42px;
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-close {
  top: 20px;
  right: 20px;
}

.lightbox-prev {
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-next {
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
}

/* ---------- Map ---------- */
.map-block {
  margin-bottom: 22px;
}

.map-block:last-child {
  margin-bottom: 0;
}

.map-block h3 {
  font-size: 19px;
  margin: 0 0 4px;
}

.map-block .map-address {
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--color-ink-soft);
  margin: 0 0 12px;
}

.map-frame-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.map-frame-wrap iframe {
  width: 100%;
  height: 220px;
  border: 0;
  display: block;
}

.map-link {
  display: inline-block;
  margin-top: 10px;
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--color-accent-dark);
  text-decoration: underline;
}

/* ---------- Wishes form ---------- */
.wishes-form {
  background: var(--color-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  padding: 24px;
  margin-bottom: 28px;
}

.wishes-form .field {
  margin-bottom: 14px;
}

.wishes-form label {
  display: block;
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-ink-soft);
  margin-bottom: 6px;
}

.wishes-form input,
.wishes-form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-line);
  border-radius: 10px;
  font-family: var(--font-serif);
  font-size: 16px;
  background: var(--color-bg);
  color: var(--color-ink);
  resize: vertical;
}

.wishes-form input:focus,
.wishes-form textarea:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

.wishes-form textarea {
  min-height: 90px;
}

/* honeypot field - hidden from real guests, bots tend to fill every field */
.wishes-form .hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 13px 18px;
  border: none;
  border-radius: 10px;
  background: var(--color-accent-dark);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 14px;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s ease, opacity 0.2s ease;
}

.btn:hover {
  background: var(--color-accent);
}

.btn:disabled {
  opacity: 0.6;
  cursor: default;
}

.form-status {
  margin-top: 10px;
  font-family: var(--font-sans);
  font-size: 13px;
  min-height: 18px;
}

.form-status.error {
  color: #a4453a;
}

.form-status.success {
  color: #4c7a4f;
}

.wishes-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 360px;
  overflow-y: auto;
}

.wishes-list li {
  background: var(--color-bg-alt);
  border-radius: 12px;
  padding: 14px 16px;
}

.wish-name {
  font-weight: 600;
  font-size: 15px;
}

.wish-message {
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--color-ink-soft);
  margin: 4px 0 0;
}

.wishes-empty {
  text-align: center;
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--color-ink-soft);
}

/* ---------- Gift / QR (optional small block) ---------- */
.gift-note {
  text-align: center;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--color-ink-soft);
}

/* ---------- Footer ---------- */
.site-footer {
  text-align: center;
  padding: 40px 0 60px;
  font-family: var(--font-script);
  font-size: 30px;
  color: var(--color-accent-dark);
}

.site-footer small {
  display: block;
  margin-top: 8px;
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--color-ink-soft);
}

/* ---------- Music toggle ---------- */
.music-toggle {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 50;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  background: var(--color-card);
  box-shadow: var(--shadow-soft);
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.music-toggle .icon-playing {
  display: none;
}

.music-toggle.is-playing .icon-muted {
  display: none;
}

.music-toggle.is-playing .icon-playing {
  display: block;
}

/* ---------- Utility ---------- */
.tag {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  border: 1px solid var(--color-accent);
  border-radius: 999px;
  padding: 4px 14px;
  margin-bottom: 14px;
}

@media (min-width: 640px) {
  .hero-names {
    font-size: 76px;
  }
}
