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

:root {
  --white: #fefefe;
  --cream: #f8f6f0;
  --sage: #8a9a5b;
  --sage-dark: #6b7d3e;
  --sage-light: #c5d4a0;
  --sage-bg: #e8edda;
  --gold: #9a8a4e;
  --gold-light: #d4c48a;
  --charcoal: #3a3a3a;
  --text: #4a4a4a;
  --text-light: #7a7a7a;
  --font-heading: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Montserrat', 'Helvetica Neue', sans-serif;
}

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

body {
  font-family: var(--font-body);
  font-weight: 300;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--sage);
  text-decoration: none;
  transition: color 0.3s;
}

a:hover {
  color: var(--gold);
}

/* ===== ENVELOPE SCREEN ===== */
.envelope-screen {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.envelope-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.envelope-bg {
  position: absolute;
  inset: 0;
  background: #e8e0d0;
}

.envelope-container {
  position: relative;
  z-index: 1;
  text-align: center;
  cursor: pointer;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.envelope-prompt {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 400;
  color: var(--sage-dark);
  letter-spacing: 3px;
  margin-bottom: 40px;
}

.envelope-cta {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--sage-dark);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-top: 36px;
  opacity: 0.6;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.8; }
}

/* Envelope shape */
.envelope {
  width: 340px;
  height: 240px;
  position: relative;
  perspective: 800px;
}

.envelope-body {
  width: 100%;
  height: 100%;
  background: var(--white);
  border-radius: 4px;
  position: relative;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.12);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 50px;
  border: 2px solid #b8ad9a;
}

.envelope-card {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.envelope.opened .envelope-card {
  animation: cardSlideUp 0.8s ease 0.3s forwards;
}

@keyframes cardSlideUp {
  to { opacity: 0; transform: translateY(-80px); }
}

.envelope-card-text {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 600;
  color: var(--sage-dark);
  letter-spacing: 4px;
}

/* Flap — SVG triangle with visible stroke outline */
.envelope-flap {
  position: absolute;
  top: -1px;
  left: -1px;
  width: calc(100% + 2px);
  height: 46%;
  z-index: 3;
  transform-origin: top center;
  transition: transform 0.6s ease;
}

.envelope.opened .envelope-flap {
  transform: rotateX(180deg);
}

/* ===== INVITE CAROUSEL ===== */
.invite-overlay {
  position: fixed;
  inset: 0;
  z-index: 9998;
  background: var(--sage-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.invite-overlay.active {
  opacity: 1;
  visibility: visible;
}

.invite-carousel {
  position: relative;
  width: 100%;
  height: 100vh;
  height: 100dvh;
}

.invite-page {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  position: relative;
}

.invite-page.active {
  display: flex;
}

.invite-page img {
  width: 100%;
  height: 100vh;
  height: 100dvh;
  object-fit: contain;
  padding: 16px 16px 100px;
}

.invite-next-btn {
  position: absolute;
  bottom: 48px;
  left: 50%;
  transform: translateX(-50%);
  padding: 14px 48px;
  min-height: 48px;
  border: 2px solid var(--sage-dark);
  background: var(--sage);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.3s, color 0.3s;
  z-index: 2;
}

.invite-next-btn:hover {
  background: var(--sage-dark);
  color: var(--white);
}

.invite-dots {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 2;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--sage-light);
  transition: background 0.3s;
}

.dot.active {
  background: var(--sage-dark);
}

/* ===== MAIN SITE ===== */
.main-site {
  display: none;
}

.main-site.visible {
  display: block;
}

/* ===== Utilities ===== */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
}

.btn {
  display: inline-block;
  padding: 14px 40px;
  border: 2px solid var(--white);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  transition: background 0.3s, color 0.3s;
  cursor: pointer;
  background: transparent;
}

.btn:hover {
  background: var(--white);
  color: var(--sage-dark);
}

.btn-full {
  width: 100%;
  border-color: var(--sage);
  color: var(--white);
  background: var(--sage);
}

.btn-full:hover {
  background: var(--sage-dark);
  border-color: var(--sage-dark);
  color: var(--white);
}

.link {
  font-weight: 400;
  color: var(--gold);
}

.link:hover {
  color: var(--sage);
}

/* ===== Fade-in Animation ===== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent;
  transition: background 0.3s, box-shadow 0.3s;
}

.nav.scrolled {
  background: rgba(254, 254, 254, 0.95);
  box-shadow: 0 1px 12px rgba(0, 0, 0, 0.08);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 2px;
  transition: color 0.3s;
}

.nav.scrolled .nav-logo {
  color: var(--sage-dark);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 28px;
}

.nav-links a {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--white);
  transition: color 0.3s;
}

.nav.scrolled .nav-links a {
  color: var(--text);
}

.nav-links a:hover {
  color: var(--gold);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: background 0.3s;
}

.nav.scrolled .nav-toggle span {
  background: var(--charcoal);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
  background: linear-gradient(135deg, #8a9a5b 0%, #6b7d3e 40%, #9aaa6b 100%);
  background-size: cover;
  background-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.25);
}

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

.hero-monogram {
  width: 220px;
  height: auto;
  margin: 0 auto 24px;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 300;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 16px;
  opacity: 0.9;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 400;
  line-height: 1.1;
  margin-bottom: 16px;
}

.hero-title .amp {
  font-style: italic;
  font-weight: 400;
  margin: 0 8px;
}

.hero-date {
  font-size: 1rem;
  font-weight: 300;
  letter-spacing: 3px;
  margin-bottom: 32px;
  opacity: 0.9;
}

.countdown {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 40px;
}

.countdown-unit {
  text-align: center;
}

.countdown-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 600;
  line-height: 1;
}

.countdown-label {
  font-size: 0.65rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  opacity: 0.8;
}

/* ===== Sections ===== */
.section {
  padding: 96px 0;
}

.section-alt {
  background: var(--cream);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 400;
  text-align: center;
  color: var(--sage-dark);
  margin-bottom: 16px;
}

.section-subtitle {
  text-align: center;
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: 48px;
}

/* ===== Our Story ===== */
.story-content {
  max-width: 680px;
  margin: 40px auto 0;
  text-align: center;
}

.story-content p {
  margin-bottom: 20px;
  font-size: 1rem;
  line-height: 1.9;
}

/* ===== Details Grid ===== */
.details-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.detail-card {
  text-align: center;
  padding: 32px 24px;
  border: 1px solid #ddd8cc;
  border-radius: 8px;
  background: var(--white);
}

.detail-card h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--sage-dark);
  margin-bottom: 12px;
}

.detail-card p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text);
}

.detail-icon {
  font-size: 1.6rem;
  color: var(--sage);
  margin-bottom: 8px;
}

.detail-venue {
  font-weight: 500;
  color: var(--sage-dark);
}

.map-embed {
  margin-top: 48px;
}

/* ===== Timeline ===== */
.timeline {
  max-width: 600px;
  margin: 48px auto 0;
  position: relative;
  padding-left: 140px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 120px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--sage-light);
}

.timeline-item {
  position: relative;
  padding-bottom: 40px;
}

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

.timeline-item::before {
  content: '';
  position: absolute;
  left: -24px;
  top: 6px;
  width: 8px;
  height: 8px;
  background: var(--sage);
  border-radius: 50%;
}

.timeline-time {
  position: absolute;
  left: -140px;
  top: 0;
  width: 100px;
  text-align: right;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--sage-dark);
}

.timeline-content h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--charcoal);
  margin-bottom: 4px;
}

.timeline-content p {
  font-size: 0.9rem;
  color: var(--text-light);
}

/* ===== Day Two ===== */
.day2-content {
  max-width: 600px;
  margin: 40px auto 0;
  text-align: center;
}

.day2-date {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--sage-dark);
  margin-bottom: 16px;
}

.day2-content > p {
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 24px;
}

.day2-venue {
  padding: 32px;
  border: 1px solid #ddd8cc;
  border-radius: 8px;
  background: var(--white);
  margin-bottom: 24px;
}

.day2-venue h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--sage-dark);
  margin-bottom: 4px;
}

.day2-venue p {
  color: var(--text-light);
}

.day2-closing {
  font-style: italic;
  color: var(--text-light);
}

.day2-names {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--sage-dark);
  margin-top: 8px;
}

/* ===== RSVP Form ===== */
.rsvp-form {
  max-width: 520px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--charcoal);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #d6d0c6;
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--text);
  background: var(--white);
  transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--sage);
  box-shadow: 0 0 0 3px rgba(138, 154, 91, 0.2);
}

.form-group textarea {
  resize: vertical;
}

.form-status {
  text-align: center;
  margin-top: 16px;
  font-size: 0.9rem;
  min-height: 24px;
}

.form-status.success {
  color: var(--sage);
}

.form-status.error {
  color: #c0392b;
}

/* ===== Footer ===== */
.footer {
  padding: 64px 0;
  text-align: center;
  background: var(--sage-dark);
  color: var(--white);
}

.footer-names {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 400;
  margin-bottom: 8px;
}

.footer-date {
  font-size: 0.85rem;
  font-weight: 300;
  letter-spacing: 4px;
  opacity: 0.7;
}

.footer-contact {
  margin-top: 20px;
  font-size: 0.85rem;
  font-weight: 300;
  opacity: 0.8;
}

.footer-contact a {
  color: var(--white);
  text-decoration: underline;
}

.footer-contact a:hover {
  color: var(--gold-light);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(254, 254, 254, 0.98);
    padding: 24px;
    gap: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    color: var(--text);
  }

  .nav-toggle {
    display: flex;
  }

  .details-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .timeline {
    padding-left: 100px;
  }

  .timeline::before {
    left: 80px;
  }

  .timeline-time {
    left: -100px;
    width: 68px;
    font-size: 0.8rem;
  }

  .section {
    padding: 64px 0;
  }

  .countdown {
    gap: 16px;
  }

  .countdown-number {
    font-size: 1.8rem;
  }

  .hero-monogram {
    width: 160px;
  }

  .envelope {
    width: 280px;
    height: 193px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.6rem;
  }

  .timeline {
    padding-left: 0;
  }

  .timeline::before {
    display: none;
  }

  .timeline-item::before {
    display: none;
  }

  .timeline-time {
    position: static;
    width: auto;
    text-align: left;
    margin-bottom: 4px;
  }

  .timeline-item {
    padding-bottom: 32px;
    border-bottom: 1px solid #e8e4de;
    margin-bottom: 0;
  }

  .timeline-item:last-child {
    border-bottom: none;
  }

  .hero-monogram {
    width: 140px;
  }

  .envelope {
    width: 240px;
    height: 166px;
  }
}