/* ==========================================================================
   STYLE.CSS - Modern Luxury Wedding Invitation: Sourav & Shivangi
   Minimal • Editorial • Romantic • Contemporary • Soft • Cinematic • Expensive
   Palette: Warm Ivory (#F8F4ED), Champagne (#E6D5B8), Dusty Rose (#C9A6A0),
            Muted Sage (#A9B2A0), Deep Cocoa (#332824), Black (#171514)
   Strictly NO Navbar / NO Menu
   ========================================================================== */

/* 1. GOOGLE FONTS */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400;1,500;1,600;1,700&family=DM+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Montserrat:wght@300;400;500;600;700&display=swap');

/* 2. ROOT CSS VARIABLES */
:root {
  --warm-ivory: #F8F4ED;
  --pure-white: #FFFFFF;
  --champagne: #E6D5B8;
  --dusty-rose: #C9A6A0;
  --muted-sage: #A9B2A0;
  --deep-cocoa: #332824;
  --soft-taupe: #B7AAA0;
  --black: #171514;
  --text-muted: #7A726D;
  --gold-accent: #C4A47C;

  --font-editorial: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'DM Sans', 'Montserrat', sans-serif;

  --shadow-subtle: 0 4px 25px rgba(23, 21, 20, 0.04);
  --shadow-editorial: 0 20px 60px rgba(23, 21, 20, 0.08);

  --transition-editorial: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: all 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 3. BASE & RESET */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-editorial);
  background-color: var(--warm-ivory);
  color: var(--black);
  line-height: 1.8;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

/* Subtle Film Grain Texture Overlay */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(rgba(51, 40, 36, 0.04) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  z-index: 9999;
}

/* Typography Helpers */
.font-editorial { font-family: var(--font-editorial); }
.font-sans { font-family: var(--font-sans); }

.text-cocoa { color: var(--deep-cocoa) !important; }
.text-taupe { color: var(--soft-taupe) !important; }
.text-rose { color: var(--dusty-rose) !important; }
.text-sage { color: var(--muted-sage) !important; }
.text-champagne { color: var(--champagne) !important; }
.text-muted-custom { color: var(--text-muted) !important; }

/* Section Layouts */
.editorial-chapter {
  position: relative;
  width: 100%;
  padding: 130px 24px;
}

@media (max-width: 768px) {
  .editorial-chapter {
    padding: 90px 18px;
  }
}

.chapter-number {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--soft-taupe);
  display: block;
  margin-bottom: 12px;
}

.chapter-title {
  font-family: var(--font-editorial);
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 400;
  letter-spacing: -0.5px;
  line-height: 1.15;
  color: var(--black);
}

.chapter-subtitle {
  font-family: var(--font-editorial);
  font-size: clamp(1.1rem, 2.5vw, 1.45rem);
  font-style: italic;
  color: var(--text-muted);
  margin-top: 10px;
}

.hairline-divider {
  width: 60px;
  height: 1px;
  background-color: var(--black);
  margin: 24px 0;
}

/* ==========================================================================
   SCROLL PROGRESS BAR & CORNER AUDIO TOGGLE
   ========================================================================== */
#scroll-progress-line {
  position: fixed;
  top: 0;
  right: 0;
  width: 2px;
  height: 0%;
  background: var(--black);
  z-index: 99990;
  transition: height 0.1s linear;
}

#audio-toggle-btn {
  position: fixed;
  top: 28px;
  left: 28px;
  z-index: 99980;
  background: rgba(248, 244, 237, 0.9);
  border: 1px solid rgba(23, 21, 20, 0.2);
  backdrop-filter: blur(8px);
  color: var(--black);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-subtle);
  transition: var(--transition-editorial);
}

#audio-toggle-btn:hover {
  background: var(--black);
  color: var(--warm-ivory);
  transform: scale(1.05);
}

/* ==========================================================================
   SCENE 01: WHITE SCREEN OPENING
   ========================================================================== */
.scene-opening-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-color: var(--warm-ivory);
  padding: 40px 20px;
}

.opening-eyebrow {
  font-family: var(--font-sans);
  font-size: clamp(0.72rem, 1.8vw, 0.82rem);
  font-weight: 500;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--soft-taupe);
  margin-bottom: 24px;
}

.opening-couple-names {
  font-family: var(--font-editorial);
  font-style: italic;
  font-size: clamp(3.8rem, 11vw, 8.5rem);
  font-weight: 400;
  line-height: 1.05;
  color: var(--black);
  letter-spacing: -1px;
}

.opening-couple-names span.amp {
  font-style: normal;
  font-family: var(--font-sans);
  font-size: 0.5em;
  color: var(--soft-taupe);
  margin: 0 16px;
  display: inline-block;
}

.opening-date {
  font-family: var(--font-sans);
  font-size: clamp(0.8rem, 2vw, 0.95rem);
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--deep-cocoa);
  margin-top: 24px;
}

.opening-drawn-line {
  width: 140px;
  height: 1px;
  background: var(--black);
  margin: 20px auto 30px;
  transform-origin: center;
}

.opening-scroll-hint {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--soft-taupe);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* ==========================================================================
   SCENE 02: FULL-SCREEN COUPLE IMAGE WITH CURTAIN MASK
   ========================================================================== */
.scene-curtain-image-section {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  overflow: hidden;
  background-color: var(--black);
}

.curtain-image-wrap {
  position: absolute;
  inset: 0;
}

.curtain-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.08);
  transition: transform 1.2s ease-out;
}

/* Ivory Curtain Mask that opens vertically on scroll */
.curtain-mask-top,
.curtain-mask-bottom {
  position: absolute;
  left: 0;
  width: 100%;
  height: 50%;
  background-color: var(--warm-ivory);
  z-index: 5;
  transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.curtain-mask-top { top: 0; transform-origin: top; }
.curtain-mask-bottom { bottom: 0; transform-origin: bottom; }

.curtain-open .curtain-mask-top { transform: translateY(-100%); }
.curtain-open .curtain-mask-bottom { transform: translateY(100%); }

.curtain-text-overlay {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #FFFDF9;
  background: rgba(23, 21, 20, 0.4);
  padding: 20px;
}

.curtain-phrase {
  font-family: var(--font-editorial);
  font-style: italic;
  font-size: clamp(1.8rem, 4.5vw, 3.2rem);
  line-height: 1.4;
}

/* ==========================================================================
   SCENE 03: EDITORIAL INTRODUCTION WITH GIANT "S" MOTIF
   ========================================================================== */
.scene-giant-s-section {
  background-color: var(--warm-ivory);
  position: relative;
  overflow: hidden;
  padding: 120px 24px;
}

.giant-s-row {
  display: flex;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto 100px;
  position: relative;
}

.giant-s-row:last-child {
  margin-bottom: 0;
}

.giant-letter-s {
  font-family: var(--font-editorial);
  font-style: italic;
  font-size: clamp(12rem, 30vw, 24rem);
  line-height: 0.8;
  color: rgba(51, 40, 36, 0.08);
  user-select: none;
  pointer-events: none;
  flex-shrink: 0;
}

.giant-s-content {
  flex: 1;
  padding-left: 40px;
}

.person-tag-name {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--deep-cocoa);
  margin-bottom: 8px;
}

.person-quote {
  font-family: var(--font-editorial);
  font-style: italic;
  font-size: clamp(1.4rem, 3vw, 2rem);
  color: var(--black);
  line-height: 1.4;
  margin-bottom: 24px;
}

.person-small-thumb {
  width: 220px;
  height: 280px;
  object-fit: cover;
  border-radius: 4px;
  box-shadow: var(--shadow-editorial);
}

@media (max-width: 768px) {
  .giant-s-row {
    flex-direction: column;
    text-align: center;
  }
  .giant-s-content {
    padding-left: 0;
  }
  .person-small-thumb {
    margin: 0 auto;
  }
}

/* ==========================================================================
   SCENE 04: THE TWO OF US (SPLIT-SCREEN MERGING)
   ========================================================================== */
.scene-split-merging-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--warm-ivory);
  overflow: hidden;
  padding: 80px 20px;
}

.split-photos-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 60px;
  max-width: 1040px;
  width: 100%;
  transition: gap 0.8s ease;
}

.split-photo-col {
  flex: 1;
  max-width: 420px;
  height: 520px;
  overflow: hidden;
  border-radius: 4px;
  box-shadow: var(--shadow-editorial);
}

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

.split-center-meta {
  text-align: center;
  position: absolute;
  z-index: 10;
  pointer-events: none;
  background: rgba(248, 244, 237, 0.9);
  backdrop-filter: blur(8px);
  padding: 24px 36px;
  border-radius: 4px;
}

.split-motif {
  font-family: var(--font-editorial);
  font-style: italic;
  font-size: 2.2rem;
  color: var(--deep-cocoa);
}

@media (max-width: 768px) {
  .split-photos-container {
    flex-direction: column;
    gap: 20px;
  }
  .split-photo-col {
    height: 340px;
    width: 100%;
  }
}

/* ==========================================================================
   SCENE 05: OUR STORY (HORIZONTAL SCROLL ON DESKTOP)
   ========================================================================== */
.scene-horizontal-story-section {
  position: relative;
  background-color: var(--pure-white);
  overflow: hidden;
}

.story-horizontal-strip {
  display: flex;
  width: 400%;
  height: 100vh;
}

.story-horizontal-panel {
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 40px;
  flex-shrink: 0;
}

.story-panel-inner {
  max-width: 780px;
}

.story-panel-number {
  font-family: var(--font-sans);
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 300;
  color: var(--soft-taupe);
  line-height: 1;
  display: block;
}

.story-panel-year {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--deep-cocoa);
  margin-bottom: 8px;
}

.story-panel-title {
  font-family: var(--font-editorial);
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  color: var(--black);
  margin-bottom: 16px;
}

.story-panel-desc {
  font-family: var(--font-editorial);
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
  color: var(--text-muted);
  line-height: 1.7;
}

@media (max-width: 992px) {
  .story-horizontal-strip {
    display: block;
    width: 100%;
    height: auto;
  }
  .story-horizontal-panel {
    width: 100%;
    height: auto;
    padding: 80px 20px;
  }
}

/* ==========================================================================
   SCENE 06: WEDDING INVITATION (EXPANDING CARD)
   ========================================================================== */
.scene-invitation-card-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--warm-ivory);
  padding: 100px 20px;
}

.editorial-invite-card {
  max-width: 720px;
  width: 100%;
  background: #FFFDF9;
  border: 1px solid rgba(23, 21, 20, 0.12);
  border-radius: 4px;
  padding: 70px 45px;
  text-align: center;
  box-shadow: var(--shadow-editorial);
  transition: transform 0.8s ease;
}

.card-req-presence {
  font-family: var(--font-editorial);
  font-style: italic;
  font-size: clamp(1.15rem, 2.5vw, 1.45rem);
  color: var(--text-muted);
  margin-bottom: 12px;
}

.card-couples {
  font-family: var(--font-editorial);
  font-style: italic;
  font-size: clamp(3.2rem, 8vw, 5.5rem);
  color: var(--black);
  line-height: 1.1;
  margin: 16px 0;
}

/* ==========================================================================
   SCENE 07: WEDDING EVENTS (STAGGERED EDITORIAL ROWS)
   ========================================================================== */
.scene-events-rows-section {
  background-color: var(--warm-ivory);
}

.editorial-event-row {
  min-height: 75vh;
  display: flex;
  align-items: center;
  padding: 60px 20px;
  max-width: 1140px;
  margin: 0 auto;
}

.event-row-text {
  flex: 1;
  padding: 30px;
}

.event-row-visual {
  flex: 1;
  height: 480px;
  overflow: hidden;
  border-radius: 4px;
  box-shadow: var(--shadow-editorial);
}

.event-row-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
}

.editorial-event-row:hover .event-row-visual img {
  transform: scale(1.04);
}

@media (max-width: 768px) {
  .editorial-event-row {
    flex-direction: column !important;
    min-height: auto;
    padding: 40px 10px;
  }
  .event-row-visual {
    width: 100%;
    height: 320px;
    margin-top: 20px;
  }
}

/* ==========================================================================
   SCENE 11: THE WEDDING (SIGNATURE "I DO" TYPOGRAPHIC PARTING)
   ========================================================================== */
.scene-i-do-reveal-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-color: var(--black);
  color: #FFFDF9;
  overflow: hidden;
  padding: 80px 20px;
}

.i-do-bg-photo {
  position: absolute;
  inset: 0;
  background-image: url('assets/images/couple-hero.jpg');
  background-size: cover;
  background-position: center 30%;
  opacity: 0.55;
  transform: scale(1.05);
}

.giant-i-do-title {
  font-family: var(--font-editorial);
  font-style: italic;
  font-size: clamp(5rem, 18vw, 13rem);
  font-weight: 300;
  line-height: 0.9;
  letter-spacing: -2px;
  color: #FFFDF9;
  z-index: 10;
  position: relative;
  transition: transform 0.8s ease, opacity 0.8s ease;
}

.i-do-parted .giant-i-do-title {
  transform: scale(1.35);
  opacity: 0.2;
}

/* ==========================================================================
   SCENE 12: COUPLE PORTRAIT FILM (SCROLL SEQUENCE)
   ========================================================================== */
.scene-portrait-film-section {
  background-color: var(--black);
  color: #FFFDF9;
  padding: 100px 20px;
  text-align: center;
}

.film-strip-wrapper {
  max-width: 860px;
  margin: 0 auto;
}

.film-slide-item {
  position: relative;
  margin-bottom: 70px;
  overflow: hidden;
  border-radius: 4px;
}

.film-slide-item img {
  width: 100%;
  height: 70vh;
  object-fit: cover;
  display: block;
}

.film-overlay-phrase {
  position: absolute;
  bottom: 30px;
  left: 30px;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: #FFFDF9;
  background: rgba(23, 21, 20, 0.6);
  backdrop-filter: blur(6px);
  padding: 8px 18px;
}

/* ==========================================================================
   SCENE 13: EDITORIAL GALLERY
   ========================================================================== */
.gallery-section {
  background-color: var(--warm-ivory);
}

.editorial-vogue-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
  max-width: 1140px;
  margin: 0 auto;
}

.vogue-gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  box-shadow: var(--shadow-editorial);
  cursor: pointer;
  background-color: var(--soft-taupe);
}

.vogue-gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.vogue-gallery-item:hover img {
  transform: scale(1.05);
}

.vogue-item-1 { grid-column: span 7; height: 440px; }
.vogue-item-2 { grid-column: span 5; height: 440px; }
.vogue-item-3 { grid-column: span 4; height: 380px; }
.vogue-item-4 { grid-column: span 4; height: 380px; }
.vogue-item-5 { grid-column: span 4; height: 380px; }
.vogue-item-6 { grid-column: span 12; height: 480px; }

@media (max-width: 992px) {
  .vogue-item-1, .vogue-item-2, .vogue-item-3,
  .vogue-item-4, .vogue-item-5, .vogue-item-6 {
    grid-column: span 6;
    height: 320px;
  }
}

@media (max-width: 576px) {
  .vogue-item-1, .vogue-item-2, .vogue-item-3,
  .vogue-item-4, .vogue-item-5, .vogue-item-6 {
    grid-column: span 12;
    height: 300px;
  }
}

/* ==========================================================================
   SCENE 14: THE DETAILS
   ========================================================================== */
.scene-details-section {
  background-color: var(--warm-ivory);
  text-align: center;
  padding: 100px 20px;
}

.details-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 30px;
  max-width: 960px;
  margin: 50px auto 0;
}

.details-item {
  border-top: 1px solid var(--black);
  padding-top: 20px;
}

.details-label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--soft-taupe);
  margin-bottom: 6px;
  display: block;
}

.details-val {
  font-family: var(--font-editorial);
  font-size: 1.4rem;
  color: var(--black);
}

/* ==========================================================================
   SCENE 15: VENUE
   ========================================================================== */
.scene-venue-section {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: url('https://images.unsplash.com/photo-1599661046289-e31897846e41?auto=format&fit=crop&w=1920&q=80');
  background-size: cover;
  background-position: center;
  color: #FFFDF9;
  text-align: center;
  padding: 80px 20px;
}

.venue-dark-overlay {
  position: absolute;
  inset: 0;
  background: rgba(23, 21, 20, 0.72);
}

.btn-minimal-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: #FFFDF9;
  border: 1px solid #FFFDF9;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  padding: 14px 34px;
  border-radius: 0;
  text-decoration: none;
  transition: var(--transition-editorial);
}

.btn-minimal-outline:hover {
  background: #FFFDF9;
  color: var(--black);
  transform: translateY(-2px);
}

/* ==========================================================================
   SCENE 16: RSVP
   ========================================================================== */
.rsvp-section {
  background-color: var(--warm-ivory);
}

.rsvp-card-wrapper {
  max-width: 640px;
  margin: 0 auto;
  background: #FFFDF9;
  border: 1px solid rgba(23, 21, 20, 0.12);
  border-radius: 4px;
  padding: 55px 40px;
  box-shadow: var(--shadow-editorial);
}

.rsvp-underline-group {
  margin-bottom: 28px;
}

.rsvp-underline-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--black);
  margin-bottom: 6px;
}

.rsvp-underline-input {
  width: 100%;
  border: none;
  border-bottom: 1.5px solid rgba(23, 21, 20, 0.2);
  background: transparent;
  padding: 10px 0;
  font-family: var(--font-editorial);
  font-size: 1.2rem;
  color: var(--black);
  outline: none;
  transition: border-color 0.3s ease;
}

.rsvp-underline-input:focus {
  border-bottom-color: var(--black);
}

.attendance-pill-radio {
  flex: 1;
  min-width: 160px;
}

.attendance-pill-radio input { display: none; }

.attendance-pill-radio label {
  display: block;
  border: 1px solid rgba(23, 21, 20, 0.2);
  padding: 12px 16px;
  text-align: center;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  cursor: pointer;
  background: #FAF7F2;
  color: var(--black);
  transition: var(--transition-editorial);
}

.attendance-pill-radio input:checked + label {
  background: var(--black);
  color: #FFFDF9;
  border-color: var(--black);
}

/* ==========================================================================
   SCENE 17 & 18: FINAL LETTER & CINEMATIC ENDING
   ========================================================================== */
.scene-final-letter-section {
  background-color: var(--warm-ivory);
  text-align: center;
  padding: 120px 24px;
}

.final-letter-box {
  max-width: 780px;
  margin: 0 auto;
}

.final-signature-names {
  font-family: var(--font-editorial);
  font-style: italic;
  font-size: 2.6rem;
  color: var(--black);
  margin-top: 30px;
}

.scene-final-ending-section {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-color: var(--warm-ivory);
  padding: 100px 20px;
}

.final-monogram-tag {
  font-family: var(--font-editorial);
  font-style: italic;
  font-size: 3rem;
  color: var(--black);
}

/* Lightbox Modal */
.custom-lightbox-backdrop {
  background: rgba(23, 21, 20, 0.94);
  backdrop-filter: blur(10px);
}

.lightbox-img-box {
  max-height: 85vh;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
}