/* =========================================
   CSS VARIABLES — change here to retheme
   ========================================= */
:root {
  --color-primary: #16463f;
  --color-primary-light: #1e6157;
  --color-accent: #c9a96e;
  --color-bg: #faf8f5;
  --color-bg-alt: #f0ece4;
  --color-text: #2c2c2c;
  --color-text-light: #6b6b6b;
  --color-white: #ffffff;

  --font-main: 'Playfair Display', Georgia, serif;
  --max-width: 720px;
  --section-padding: 50px 24px;
}

/* =========================================
   RESET & BASE
   ========================================= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: opacity 0.2s;
}

a:hover {
  opacity: 0.75;
}

/* =========================================
   UTILITY
   ========================================= */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section-title {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 300;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
  text-align: center;
}

.section-divider {
  display: block;
  width: 60px;
  height: 1px;
  background: var(--color-accent);
  margin: 0 auto 2.5rem;
}

/* Fade-in animation (IntersectionObserver triggers this) */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =========================================
   NAVIGATION
   ========================================= */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 10px 32px;
  display: flex;
  justify-content: center;
  gap: 2rem;
  background: rgba(250, 248, 245, 0.95);
  backdrop-filter: blur(6px);
  box-shadow: 0 1px 12px rgba(0,0,0,0.06);
}

nav a {
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text);
  font-weight: 500;
  transition: color 0.2s;
}

nav a:hover {
  opacity: 1;
  color: var(--color-accent);
}

/* =========================================
   HERO
   ========================================= */
#hero {
  height: 100vh;
  min-height: 600px;
  display: flex;
  overflow: hidden;
  color: var(--color-white);
}

/* ── Left panel: green background + text ── */
.hero-left {
  width: 45%;
  background: var(--color-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 48px;
  position: relative;
  flex-shrink: 0;
}

/* ── Right panel: vertical photo ── */
.hero-right {
  flex: 1;
  overflow: hidden;
}

.hero-right img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  display: block;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-tagline {
  font-size: clamp(0.9rem, 1.8vw, 1.2rem);
  letter-spacing: 0.35em;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
  opacity: 0.75;
}

.hero-names {
  font-size: clamp(3rem, 5.5vw, 5.5rem);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
}

.hero-names span {
  display: block;
  font-size: clamp(1.2rem, 2.5vw, 2rem);
  letter-spacing: 0.3em;
  font-weight: 300;
  opacity: 0.7;
  margin: 0.3em 0;
}

.hero-date {
  font-size: clamp(1.1rem, 2.2vw, 1.5rem);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  opacity: 0.85;
  margin-bottom: 2.5rem;
}

.hero-cta {
  display: inline-block;
  border: 1px solid rgba(255,255,255,0.6);
  color: var(--color-white);
  padding: 12px 36px;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  transition: background 0.25s, border-color 0.25s;
}

.hero-cta:hover {
  background: rgba(255,255,255,0.12);
  opacity: 1;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  opacity: 0.55;
  animation: bounce 2s infinite;
  z-index: 1;
}

.hero-scroll-indicator span {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.hero-scroll-indicator::after {
  content: '';
  display: block;
  width: 1px;
  height: 40px;
  background: var(--color-white);
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* =========================================
   COUNTDOWN
   ========================================= */
#countdown {
  background: var(--color-bg);
  color: var(--color-text);
  padding: var(--section-padding);
  text-align: center;
}

#countdown .section-title {
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.countdown-grid {
  display: flex;
  justify-content: center;
  gap: clamp(1.5rem, 5vw, 4rem);
  flex-wrap: nowrap;
}

.countdown-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 80px;
}

.countdown-number {
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 300;
  line-height: 1;
  min-width: 2ch;
  display: block;
  color: var(--color-primary);
}

.countdown-label {
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-top: 0.4rem;
  opacity: 0.75;
}

/* =========================================
   INFO SECTIONS (Ceremonia, Celebración, Transporte)
   ========================================= */
.info-section {
  padding: var(--section-padding);
  text-align: center;
}


/* Backgrounds set explicitly — dark → light → dark → light */
#countdown       { background: var(--color-bg-alt); }
#ceremonia       { background: var(--color-bg);     }
#celebracion     { background: var(--color-bg-alt); }
#transporte      { background: var(--color-bg);     }

.info-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  display: block;
}

.info-icon-svg-wrap {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 2px solid var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.2rem;
}

.info-icon-png {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.info-icon-svg {
  display: block;
  color: var(--color-primary);
  max-width: 72px;
  max-height: 72px;
  width: 100%;
  height: 100%;
}

.info-section h3 {
  font-size: 1.1rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--color-text-light);
  margin-bottom: 0.3rem;
}

.info-section p {
  font-size: 1.15rem;
  margin-bottom: 0.25rem;
}

.info-section .address {
  font-size: 1rem;
  color: var(--color-text-light);
  margin-bottom: 0.25rem;
}

.info-section .time {
  font-size: 1.5rem;
  color: var(--color-primary);
  font-weight: 300;
  letter-spacing: 0.05em;
  margin-bottom: 1.2rem;
}

.btn-map {
  display: inline-block;
  margin-top: 1rem;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  padding: 10px 28px;
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-family: var(--font-main);
  transition: background 0.2s, color 0.2s;
}

.btn-map:hover {
  background: var(--color-primary);
  color: var(--color-white);
  opacity: 1;
}

/* Transport list */
.transport-list {
  list-style: none;
  text-align: left;
  max-width: 460px;
  margin: 0 auto 1.5rem;
}

.transport-list li {
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(0,0,0,0.07);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  font-size: 1.05rem;
}

.transport-list li:last-child {
  border-bottom: none;
}

.transport-list .stop-time {
  color: var(--color-primary);
  font-size: 0.95rem;
  white-space: nowrap;
}

.transport-list .transport-header {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-light);
  font-weight: 600;
  border-bottom: 1px solid rgba(0,0,0,0.15);
  padding-bottom: 0.4rem;
}

.info-section p.taxi-note {
  font-size: 0.95rem;
  color: var(--color-text-light);
  margin-top: 1rem;
}

.taxi-note strong {
  color: var(--color-text);
}

/* =========================================
   RSVP FORM
   ========================================= */
#rsvp {
  padding: var(--section-padding);
  background: var(--color-bg-alt);
  text-align: center;
}

.form-wrapper {
  max-width: 520px;
  margin: 0 auto;
  text-align: left;
}

.children-details {
  margin-bottom: 0.5rem;
}

.child-fieldset {
  border: 1px solid var(--color-border, #d4c9b8);
  border-radius: 10px;
  padding: 1rem 1.2rem 0.2rem;
  margin-bottom: 1rem;
}

.child-fieldset legend {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-primary);
  padding: 0 0.5rem;
}

.form-group {
  margin-bottom: 1.4rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 1rem;
  margin-bottom: 1.4rem;
}

.form-row .form-group {
  margin-bottom: 0;
}

@media (max-width: 480px) {
  .form-row {
    grid-template-columns: 1fr;
    gap: 1.4rem 0;
  }
}

.form-group label {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-bottom: 0.45rem;
}

.form-group input:not([type="checkbox"]),
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--font-main);
  font-size: 1rem;
  border: 1px solid #d8d2c9;
  background: var(--color-white);
  color: var(--color-text);
  border-radius: 0;
  outline: none;
  transition: border-color 0.2s;
  appearance: none;
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23555' d='M1.4 0L6 4.6 10.6 0 12 1.4 6 7.4 0 1.4z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 38px;
  cursor: pointer;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
}

.form-group textarea {
  resize: vertical;
  min-height: 90px;
}

.form-group.checkbox-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.form-group.checkbox-group label {
  margin-bottom: 0;
  text-transform: none;
  letter-spacing: 0;
  font-size: 1rem;
  cursor: pointer;
}

.form-group.checkbox-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  border: 2px solid var(--color-primary);
  border-radius: 3px;
  background: var(--color-white);
  position: relative;
  transition: background 0.2s;
}

.form-group.checkbox-group input[type="checkbox"]:checked {
  background: var(--color-primary);
}

.form-group.checkbox-group input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 3px;
  top: 0px;
  width: 5px;
  height: 10px;
  border: 2px solid white;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}

.btn-submit {
  width: 100%;
  padding: 14px;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  font-family: var(--font-main);
  font-size: 0.82rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-submit:hover {
  background: var(--color-primary-light);
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-message {
  margin-top: 1rem;
  padding: 12px 16px;
  font-size: 0.95rem;
  display: none;
  border-radius: 2px;
}

.form-message.success {
  background: #e6f4ea;
  color: #1e6b36;
  display: block;
}

.form-message.error {
  background: #fdecea;
  color: #b3261e;
  display: block;
}

/* =========================================
   LISTA DE BODA
   ========================================= */
#lista-boda {
  padding: var(--section-padding);
  text-align: center;
  background: var(--color-bg);
}

.boda-content p {
  font-size: 1.1rem;
  color: var(--color-text-light);
  max-width: 480px;
  margin: 0 auto 2rem;
  line-height: 1.8;
}

.bank-details {
  display: inline-block;
  background: var(--color-bg-alt);
  padding: 28px 40px;
  text-align: left;
  margin: 0 auto;
}

.bank-details dt {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-top: 1rem;
}

.bank-details dt:first-child {
  margin-top: 0;
}

.bank-details dd {
  font-size: 1.15rem;
  color: var(--color-text);
  margin-top: 0.2rem;
  user-select: all;
}

/* =========================================
   MÚSICA
   ========================================= */
#musica {
  padding: var(--section-padding);
  background: var(--color-bg-alt);
  text-align: center;
}

#musica .form-wrapper {
  max-width: 420px;
}

/* =========================================
   MUSIC BUTTON
   ========================================= */
.music-btn {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 200;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary);
  border: none;
  color: var(--color-white);
  font-size: 1.3rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0,0,0,0.25);
  transition: background 0.2s, transform 0.2s;
}

.music-btn:hover {
  background: var(--color-primary-light);
  transform: scale(1.08);
}

/* Show/hide icons based on muted state */
.music-icon--off { display: none; }

.music-btn.muted .music-icon--on  { display: none; }
.music-btn.muted .music-icon--off { display: block; opacity: 0.5; }

/* Spinning animation when playing */
@keyframes music-pulse {
  0%, 100% { transform: scale(1); }
  50%       { transform: scale(1.12); }
}

.music-btn:not(.muted) {
  animation: music-pulse 2s ease-in-out infinite;
}

/* =========================================
   FOOTER
   ========================================= */
footer {
  background: var(--color-primary);
  color: rgba(255,255,255,0.8);
  text-align: center;
  padding: 48px 24px;
}

.footer-crest {
  width: 120px;
  height: 120px;
  object-fit: contain;
  margin: 0 auto 1.5rem;
  display: block;
  opacity: 0.92;
}

footer .footer-seal {
  display: block;
  width: 120px;
  height: 120px;
  opacity: 0.5;
  margin: 0 auto 0.4rem;
}

footer .footer-names {
  font-size: clamp(1.2rem, 3.5vw, 1.8rem);
  font-weight: 250;
  letter-spacing: 0.08em;
  color: var(--color-white);
  margin-bottom: 0.5rem;
}

footer .footer-year {
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  opacity: 0.6;
}

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 767px) {
  :root {
    --section-padding: 50px 20px;
  }



  #hero {
    flex-direction: column;

  }

  .hero-left {
    width: 100%;
    padding: 48px 28px 52px;
    order: 2;
  }

  .hero-right {
    width: 100%;
    height: 55vw;
    min-height: 260px;
    order: 1;
  }

  .hero-scroll-indicator {
    display: none;
  }

  .hero-names {
    font-size: clamp(2.4rem, 9vw, 3.5rem);
  }

  .hero-tagline,
  .hero-date {
    letter-spacing: 0.18em;
  }

  nav {
    gap: 1rem;
    padding: 14px 16px;
    flex-wrap: wrap;
    font-size: 0.65rem;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
  }

  .countdown-grid {
    gap: clamp(0.4rem, 2vw, 1.5rem);
  }

  .countdown-unit {
    min-width: unset;
  }

  .countdown-number {
    font-size: clamp(2.5rem, 8.0vw, 3rem);
  }

  .countdown-label {
    font-size: 0.5rem;
    letter-spacing: 0.12em;
  }

  .bank-details {
    padding: 20px 24px;
  }

  .lightbox-nav {
    width: 36px;
    height: 36px;
    font-size: 1.2rem;
  }

  .lightbox-prev { left: 8px; }
  .lightbox-next { right: 8px; }
}

/* =========================================
   INTRO — Envelope screen
   ========================================= */

#env-screen {
  position: fixed; inset: 0; z-index: 9999;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  background: #0c1a12;
  background-image: radial-gradient(ellipse 80% 50% at 50% -5%, rgba(30,77,58,0.5) 0%, transparent 65%);
  transition: opacity 0.9s ease;
}
#env-screen.out { opacity: 0; pointer-events: none; }

/* subtle star-dot pattern */
#env-screen::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle, rgba(201,168,76,0.5) 1px, transparent 1px),
    radial-gradient(circle, rgba(201,168,76,0.3) 1px, transparent 1px);
  background-size: 120px 120px, 60px 60px;
  background-position: 0 0, 30px 30px;
  opacity: 0.15; pointer-events: none;
}

/* ── Scene ── */
.scene {
  perspective: 900px;
  cursor: pointer;
  position: relative;
}

/* floating animation only when not opening */
.scene:not(.opening) .envelope-3d {
  animation: env-float 3.2s ease-in-out infinite;
}
@keyframes env-float {
  0%,100% { transform: translateY(0);    }
  50%      { transform: translateY(-12px); }
}

/* ── Envelope 3D container ── */
.envelope-3d {
  position: relative;
  width: min(420px, 90vw);
}
.envelope-3d::before {
  content: '';
  position: absolute;
  top: calc(38% - 2px);
  left: 0; width: 100%;
  height: 4px;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,0.18) 0%,
    rgba(0,0,0,0.06) 50%,
    rgba(255,255,255,0.08) 100%
  );
  z-index: 12;
  pointer-events: none;
}

/* ── Cream body (bottom, defines height) ── */
.env-body {
  width: 100%;
  aspect-ratio: 0.8 / 1;
  background: #f0ead8;
  filter: url(#paper-grain);
  border-radius: 0 0 6px 6px;
  clip-path: polygon(0% 38%, 100% 38%, 100% 100%, 0% 100%);
  position: relative;
  overflow: hidden;
  box-shadow:
    0 30px 70px rgba(0,0,0,0.65),
    0 0 0 1px rgba(201,168,76,0.2),
    inset 0 -1px 0 rgba(0,0,0,0.1);
}

/* V-fold diagonal lines */
.env-body::before, .env-body::after {
  content: ''; position: absolute; bottom: 0;
  width: 51%; height: 52%;
  border-top: 1px solid rgba(30,77,58,0.14);
}
.env-body::before { left: 0;  transform-origin: bottom left;  transform: skewY(-46deg); }
.env-body::after  { right: 0; transform-origin: bottom right; transform: skewY(46deg);  }

.env-address {
  position: absolute; bottom: 28%; left: 0; right: 0;
  text-align: center;
}
.env-address-text {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 13px; font-style: italic; letter-spacing: 1px;
  color: rgba(30,77,58,0.35);
  transform: rotate(180deg);
  display: inline-block;
}

/* ── Flap (3-D, rotates from top) ── */
.env-flap-wrap {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  transform-origin: top center;
  transform-style: preserve-3d;
  z-index: 10;
  transition: transform 1s cubic-bezier(0.4, 0, 0.2, 1);
}
.opening .env-flap-wrap {
  transform: none;
}

/* Pentagon shape — point at top, flat bottom */
.env-flap {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  clip-path: polygon(50% 0%, 100% 38%, 100% 100%, 0% 100%, 0% 38%);
  background: #1e4d3a;
  filter: url(#paper-grain);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  display: flex; flex-direction: column;
  align-items: center; justify-content: flex-end;
  padding-bottom: 6%;
  box-sizing: border-box;
}

.flap-question {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(15px, 4.2vw, 20px); font-style: italic;
  color: #f0ead8; line-height: 1.35;
  text-align: center; padding: 0 24px; margin-bottom: 4px;
}
.world-map {
  width: 60%;
  display: block;
  opacity: 0.95;
}

/* ── Boarding pass rises from envelope ── */
.env-letter {
  position: absolute;
  bottom: 58%; left: 2%; width: 96%;
  border-radius: 3px 3px 0 0;
  text-align: center;
  z-index: 15;
  box-shadow: 0 -8px 30px rgba(0,0,0,0.3);
  transform: translateY(0);
  transition: transform 0.85s 0.45s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
  overflow: hidden;
  background: transparent;
}
.opening .env-letter { transform: translateY(-80%); }

.env-letter img {
  width: 100%; display: block;
  mix-blend-mode: multiply;
}
.letter-cta {
  display: none;
}

/* ── Hint ── */
.env-hint {
  margin-top: 30px; text-align: center;
  animation: hint-pulse 2s ease infinite;
}
@keyframes hint-pulse { 0%,100% { opacity: 0.35; } 50% { opacity: 0.9; } }

.hint-txt {
  display: block;
  font-family: 'Playfair Display', Georgia, serif;
  font-style: italic; font-size: 0.72rem;
  letter-spacing: 0.3em; text-transform: uppercase;
  color: #c9a96e;
}
.hint-arr {
  display: block; font-size: 18px;
  color: #c9a96e; margin-top: 4px;
}

@media (min-width: 768px) and (max-width: 1024px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1025px) {
  .gallery-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}