/* =========================================
   WEDDING — ABDULLAH & ANOREEN
   Style System
   ========================================= */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Upright:ital,wght@0,300;0,400;0,500;0,600;0,700;1,300;1,400;1,500&family=Cormorant+SC:wght@300;400;500;600&family=EB+Garamond:ital,wght@0,400;0,500;1,400&display=swap');

/* ─── VARIABLES ─────────────────────────── */
:root {
  --burgundy:     #5C0A14;
  --burgundy-mid: #7A1022;
  --burgundy-lt:  #9B2335;
  --cream:        #F5EFE0;
  --cream-deep:   #EDE4CF;
  --cream-warm:   #FAF6ED;
  --gold:         #C9A96E;
  --gold-lt:      #E5CBAA;
  --ivory:        #FFFFF0;
  --text-dark:    #2C0A0E;
  --text-mid:     #5C0A14;
  --font-script:  'Cormorant Upright', Georgia, serif;
  --font-sc:      'Cormorant SC', Georgia, serif;
  --font-body:    'EB Garamond', Georgia, serif;
  --ease-silk:    cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

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

body {
  background: var(--burgundy);
  color: var(--cream);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
}

/* ─── NOISE TEXTURE OVERLAY ─────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: 0.4;
}

/* =========================================
   SECTION 1 — ENVELOPE LANDING
   ========================================= */

#envelope-section {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at 50% 40%, #7A1022 0%, #5C0A14 45%, #3A0609 100%);
  position: relative;
  padding: 2rem;
}

/* Subtle vignette */
#envelope-section::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(0,0,0,0.45) 100%);
  pointer-events: none;
}
/* ─── CORNER BOW TIES ───────────────────── */
.corner-bow {
  position: absolute;
  width: 115px;
  height: 115px;
  z-index: 5;
}
.corner-bow svg { width: 100%; height: 100%; display: block; }
.corner-bow.top-left    { top: 20px; left: 20px; }
.corner-bow.top-right   { top: 20px; right: 20px; }
.corner-bow.bottom-left { bottom: 20px; left: 20px; }
.corner-bow.bottom-right{ bottom: 20px; right: 20px; }

/* From text */
.from-text {
  font-family: var(--font-sc);
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  color: var(--gold-lt);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  opacity: 0.85;
  position: relative;
  z-index: 2;
  animation: fadeDown 1.2s var(--ease-silk) both;
}

/* Names above envelope */
.hero-names {
  font-family: var(--font-script);
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 300;
  font-style: italic;
  color: var(--cream);
  line-height: 1.1;
  text-align: center;
  margin-bottom: 2.5rem;
  position: relative;
  z-index: 2;
  text-shadow: 0 2px 30px rgba(0,0,0,0.4);
  animation: fadeDown 1.4s var(--ease-silk) 0.2s both;
}

/* ─── ENVELOPE WRAPPER ──────────────────── */
.envelope-wrapper {
  position: relative;
  z-index: 10;
  cursor: pointer;
  animation: floatEnvelope 4s ease-in-out infinite, fadeUp 1.6s var(--ease-silk) 0.4s both;
  transition: transform 0.3s ease;
}
.envelope-wrapper:hover {
  animation: floatEnvelope 4s ease-in-out infinite;
  transform: scale(1.015);
}

/* The envelope container (3D perspective) */
.envelope {
  width: clamp(280px, 42vw, 520px);
  height: clamp(190px, 28vw, 350px);
  position: relative;
  perspective: 1200px;
}

/* Envelope body (bottom) */
.envelope-body {
  width: 100%;
  height: 100%;
  background: linear-gradient(145deg, #F5EFE0 0%, #EDE4CF 60%, #E0D5BC 100%);
  border-radius: 4px;
  box-shadow: 
    0 20px 60px rgba(0,0,0,0.45),
    0 6px 20px rgba(0,0,0,0.25),
    inset 0 1px 0 rgba(255,255,255,0.6);
  position: relative;
  overflow: visible;
}

/* Inner V folds visible on open envelope */
.envelope-body::before,
.envelope-body::after {
  content: '';
  position: absolute;
  bottom: 0;
  width: 50%;
  height: 55%;
  background: linear-gradient(135deg, #E8DCCA 0%, #D8CDB5 100%);
  z-index: 1;
}
.envelope-body::before {
  left: 0;
  clip-path: polygon(0 100%, 100% 100%, 0 0);
}
.envelope-body::after {
  right: 0;
  clip-path: polygon(0 100%, 100% 100%, 100% 0);
}

/* Monogram on envelope */
.envelope-monogram {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -25%);
  z-index: 5;
  text-align: center;
}

/* ─── INLINE MONOGRAM (overlapping A's) ─── */
.monogram-aa {
  position: relative;
  width: 88px;
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mono-a-serif {
  font-family: 'Cormorant SC', 'Cormorant Upright', Georgia, serif;
  font-size: 76px;
  font-weight: 700;
  color: var(--burgundy);
  position: absolute;
  top: 0;
  left: 0;
  line-height: 1;
  opacity: 0.82;
  letter-spacing: -2px;
}

.mono-a-script {
  font-family: 'Cormorant Upright', 'Playfair Display', Georgia, serif;
  font-size: 68px;
  font-weight: 300;
  font-style: italic;
  color: var(--burgundy);
  position: absolute;
  top: 10px;
  left: 32px;
  line-height: 1;
  opacity: 0.62;
}

/* Legacy - kept for wax seal fallback */
.monogram-img {
  width: 45px;
  height: auto;
  opacity: 0.95;
  mix-blend-mode: multiply;
  filter: contrast(1.1) saturate(1.1);
  display: block;
}

/* ─── ENVELOPE WAX SEAL ─────────────────── */
.env-wax-seal {
  width: 80px;
  height: 80px;
  background: radial-gradient(circle at 40% 38%, var(--burgundy-lt), var(--burgundy));
  border-radius: 50%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow:
    0 6px 24px rgba(92,10,20,0.55),
    inset 0 1px 4px rgba(255,255,255,0.18),
    inset 0 -3px 8px rgba(0,0,0,0.35);
  position: relative;
  animation: sealShimmer 3s ease-in-out infinite;
}

.env-wax-seal::before {
  content: '';
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.2);
  z-index: 2;
  pointer-events: none;
}

.env-wax-seal img {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: 50%;
  mix-blend-mode: screen;
  filter: invert(1) brightness(1.3);
  opacity: 0.92;
  position: relative;
  z-index: 1;
}

.env-wax-seal .wax-seal-text {
  font-family: var(--font-script);
  font-size: 1.55rem;
  font-style: italic;
  color: var(--cream);
  font-weight: 500;
  letter-spacing: -0.04em;
}

/* ─── ENVELOPE FLAP ─────────────────────── */
.envelope-flap {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 55%;
  transform-origin: top center;
  transform-style: preserve-3d;
  transition: transform 1.2s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 6;
}

/* Flap front face (cream paper) */
.flap-front {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, #F8F2E2 0%, #EDE4CF 100%);
  clip-path: polygon(0 0, 50% 65%, 100% 0);
  backface-visibility: hidden;
}

/* Lace trim on flap */
.flap-lace {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  clip-path: polygon(0 0, 50% 65%, 100% 0);
  overflow: hidden;
}

/* Envelope open state */
.envelope.open .envelope-flap {
  transform: rotateX(-178deg);
}

/* card-peek hidden by default, only shows on open */
.card-peek {
  position: absolute;
  bottom: 8%;
  left: 50%;
  transform: translateX(-50%);
  width: 75%;
  height: 70%;
  background: linear-gradient(160deg, var(--cream-warm) 0%, var(--cream) 100%);
  border-radius: 4px 4px 2px 2px;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
  z-index: 4;
  opacity: 0;
  transform: translateX(-50%) translateY(20px);
  transition: opacity 0.8s ease 0.8s, transform 0.8s var(--ease-silk) 0.8s;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.card-peek-text {
  font-family: var(--font-script);
  font-size: 1.4rem;
  font-style: italic;
  color: var(--burgundy);
  opacity: 0.6;
}

.envelope.open .card-peek {
  opacity: 1;
  transform: translateX(-50%) translateY(-85%);
}

/* Tap hint */
.tap-hint {
  margin-top: 2rem;
  font-family: var(--font-sc);
  font-size: 0.68rem;
  letter-spacing: 0.3em;
  color: var(--gold-lt);
  text-transform: uppercase;
  text-align: center;
  position: relative;
  z-index: 2;
  animation: pulse 2.5s ease-in-out infinite, fadeUp 1.8s var(--ease-silk) 0.6s both;
}

/* =========================================
   SECTION 2 — INVITATION (SCROLLABLE)
   ========================================= */

#invitation-section {
  display: none;
  opacity: 0;
  background: var(--burgundy);
  position: relative;
}

#invitation-section.visible {
  display: block;
}

#invitation-section.shown {
  opacity: 1;
  transition: opacity 1s ease;
}

/* ─── 2A: HERO INVITATION CARD ──────────── */
.invitation-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  background: radial-gradient(ellipse at 50% 30%, #7A1022 0%, #5C0A14 50%, #3A0609 100%);
  position: relative;
}

.invitation-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  max-width: 1100px;
  width: 100%;
  align-items: center;
}

/* Main invitation card */
.invitation-card {
  background: var(--cream);
  padding: 3.5rem 3rem;
  position: relative;
  text-align: center;
  box-shadow:
    0 30px 80px rgba(0,0,0,0.4),
    0 8px 30px rgba(0,0,0,0.2);
  border-radius: 2px;
}

/* Decorative scalloped SVG border */
.card-border {
  position: absolute;
  inset: 8px;
  pointer-events: none;
}

/* Top floral decoration */
.card-floral {
  position: absolute;
  top: -55px;
  left: 50%;
  transform: translateX(-50%);
  width: 110px;
  opacity: 0.9;
}

.floral-svg {
  width: 100%;
  height: auto;
}

.card-subtitle {
  font-family: var(--font-sc);
  font-size: 0.62rem;
  letter-spacing: 0.32em;
  color: var(--burgundy-lt);
  text-transform: uppercase;
  margin-bottom: 1rem;
  margin-top: 1.2rem;
}

.card-names {
  font-family: var(--font-script);
  font-size: clamp(2.4rem, 4.5vw, 3.8rem);
  font-weight: 300;
  font-style: italic;
  color: var(--burgundy);
  line-height: 1.15;
  margin-bottom: 0.5rem;
}

.card-ampersand {
  display: block;
  font-size: 0.65em;
  color: var(--gold);
  margin: -0.2em 0;
}

.card-honour {
  font-family: var(--font-body);
  font-style: italic;
  font-size: 0.92rem;
  color: var(--text-dark);
  opacity: 0.75;
  max-width: 280px;
  margin: 1.2rem auto;
  line-height: 1.6;
}

/* Flourish divider */
.flourish {
  margin: 1.4rem auto;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  justify-content: center;
  color: var(--gold);
}
.flourish-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--gold), transparent);
  max-width: 80px;
}
.flourish-diamond {
  width: 6px;
  height: 6px;
  background: var(--gold);
  transform: rotate(45deg);
  flex-shrink: 0;
}

.card-date {
  font-family: var(--font-sc);
  font-size: 1.05rem;
  letter-spacing: 0.22em;
  color: var(--burgundy);
  margin-bottom: 0.4rem;
}

.card-time {
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--text-dark);
  opacity: 0.7;
  letter-spacing: 0.08em;
}

.card-venue {
  font-family: var(--font-sc);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--burgundy-mid);
  margin-top: 0.2rem;
  text-transform: uppercase;
}

/* Wax seal on card */
.wax-seal {
  width: 64px;
  height: 64px;
  background: radial-gradient(circle at 40% 38%, var(--burgundy-lt), var(--burgundy));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 1.8rem auto 0;
  box-shadow:
    0 4px 16px rgba(92,10,20,0.5),
    inset 0 1px 3px rgba(255,255,255,0.15),
    inset 0 -2px 6px rgba(0,0,0,0.3);
  position: relative;
  animation: sealShimmer 3s ease-in-out infinite;
}

.wax-seal::before {
  content: '';
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.18);
}

.wax-seal-text {
  font-family: var(--font-script);
  font-size: 1.3rem;
  font-style: italic;
  color: var(--cream);
  font-weight: 500;
  letter-spacing: -0.04em;
}

/* ─── 2B: POLAROID PHOTO ────────────────── */
.polaroid-container {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.polaroid {
  background: #FAFAFA;
  padding: 14px 14px 52px;
  box-shadow:
    0 20px 60px rgba(0,0,0,0.5),
    0 6px 20px rgba(0,0,0,0.3),
    inset 0 0 0 1px rgba(0,0,0,0.06);
  transform: rotate(-3.5deg);
  transition: transform 0.5s var(--ease-silk), box-shadow 0.5s ease;
  max-width: 320px;
  width: 100%;
}

.polaroid:hover {
  transform: rotate(-1deg) scale(1.03);
  box-shadow:
    0 32px 80px rgba(0,0,0,0.6),
    0 10px 30px rgba(0,0,0,0.35);
}

.polaroid img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  object-position: center top;
  display: block;
  filter: contrast(1.04) saturate(0.92);
}

.polaroid-caption {
  font-family: 'Caveat', var(--font-script);
  font-size: 1.1rem;
  color: #555;
  text-align: center;
  padding-top: 12px;
  letter-spacing: 0.04em;
}

/* ─── 2C: DETAILS SECTION ───────────────── */
#details-section {
  background: radial-gradient(ellipse at 50% 0%, #7A1022 0%, #5C0A14 40%, #3A0609 100%);
  padding: 6rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

#details-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(900px, 90%);
  height: 1px;
  background: linear-gradient(to right, transparent, var(--gold), transparent);
}

.details-header {
  font-family: var(--font-script);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-style: italic;
  font-weight: 300;
  color: var(--cream);
  margin-bottom: 0.5rem;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.details-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2.5rem;
  max-width: 900px;
  margin: 3rem auto 0;
}

.detail-block {
  border-top: 1px solid rgba(201,169,110,0.3);
  padding-top: 1.5rem;
}

.detail-label {
  font-family: var(--font-sc);
  font-size: 0.62rem;
  letter-spacing: 0.32em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 0.8rem;
}

.detail-value {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--cream);
  line-height: 1.7;
  opacity: 0.9;
}

.detail-value strong {
  font-weight: 500;
  display: block;
  font-size: 1.05rem;
}

/* Countdown */
.countdown-wrapper {
  margin: 4rem auto 0;
  max-width: 700px;
}

.countdown-label {
  font-family: var(--font-sc);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.countdown {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.countdown-unit {
  text-align: center;
  min-width: 90px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(201, 169, 110, 0.25);
  border-radius: 12px;
  padding: 1.2rem 1rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(4px);
  position: relative;
  overflow: hidden;
}

.countdown-unit::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(201,169,110,0.5), transparent);
}

.countdown-number {
  font-family: var(--font-sc);
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 300;
  color: var(--cream);
  line-height: 1;
  display: block;
}

.countdown-word {
  font-family: var(--font-sc);
  font-size: 0.58rem;
  letter-spacing: 0.28em;
  color: var(--gold-lt);
  text-transform: uppercase;
  margin-top: 0.4rem;
  display: block;
  opacity: 0.8;
}

.countdown-sep {
  font-family: var(--font-script);
  font-size: 2.5rem;
  color: var(--gold);
  opacity: 0.4;
  align-self: flex-start;
  padding-top: 0.1rem;
}

/* Map link */
.map-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  font-family: var(--font-sc);
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  color: var(--gold);
  text-transform: uppercase;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, opacity 0.3s ease;
  opacity: 0.8;
}

.map-link:hover {
  border-color: var(--gold);
  opacity: 1;
}

/* ─── 2D: RSVP SECTION ──────────────────── */
#rsvp-section {
  padding: 6rem 2rem;
  background: radial-gradient(ellipse at 50% 100%, #7A1022 0%, #5C0A14 50%, #3A0609 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.rsvp-card {
  background: var(--cream);
  max-width: 560px;
  width: 100%;
  padding: 3.5rem 3rem;
  text-align: center;
  position: relative;
  box-shadow:
    0 30px 80px rgba(0,0,0,0.4),
    0 8px 30px rgba(0,0,0,0.2);
  border-radius: 2px;
}

.rsvp-title {
  font-family: var(--font-script);
  font-size: clamp(2rem, 4vw, 3rem);
  font-style: italic;
  font-weight: 300;
  color: var(--burgundy);
  margin-bottom: 0.4rem;
}

.rsvp-subtitle {
  font-family: var(--font-sc);
  font-size: 0.65rem;
  letter-spacing: 0.28em;
  color: var(--burgundy-lt);
  text-transform: uppercase;
  margin-bottom: 2.5rem;
}

/* Form */
.rsvp-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  text-align: left;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-label {
  font-family: var(--font-sc);
  font-size: 0.6rem;
  letter-spacing: 0.28em;
  color: var(--burgundy-lt);
  text-transform: uppercase;
}

.form-input,
.form-textarea {
  border: 1px solid rgba(92,10,20,0.2);
  background: var(--cream-warm);
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-dark);
  border-radius: 2px;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  outline: none;
  width: 100%;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--burgundy-mid);
  box-shadow: 0 0 0 3px rgba(92,10,20,0.08);
}

.form-textarea {
  min-height: 110px;
  resize: vertical;
  line-height: 1.6;
}

.form-submit {
  font-family: var(--font-sc);
  font-size: 0.7rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--cream);
  background: var(--burgundy);
  border: none;
  padding: 1rem 2rem;
  cursor: pointer;
  transition: background 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 20px rgba(92,10,20,0.4);
  border-radius: 2px;
  width: 100%;
}

.form-submit:hover {
  background: var(--burgundy-mid);
  transform: translateY(-1px);
  box-shadow: 0 8px 30px rgba(92,10,20,0.5);
}

.form-submit:active {
  transform: translateY(0);
}

/* Success message */
.rsvp-success {
  display: none;
  text-align: center;
  padding: 2rem 0;
}

.rsvp-success.show {
  display: block;
}

.success-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.success-title {
  font-family: var(--font-script);
  font-size: 2rem;
  font-style: italic;
  color: var(--burgundy);
  margin-bottom: 0.5rem;
}

.success-msg {
  font-family: var(--font-body);
  font-style: italic;
  color: var(--text-dark);
  opacity: 0.75;
  font-size: 0.95rem;
}

/* ─── FOOTER ────────────────────────────── */
footer {
  background: #2C0407;
  text-align: center;
  padding: 2.5rem 2rem;
}

.footer-names {
  font-family: var(--font-script);
  font-size: 1.5rem;
  font-style: italic;
  color: var(--gold-lt);
  opacity: 0.6;
  margin-bottom: 0.4rem;
}

.footer-date {
  font-family: var(--font-sc);
  font-size: 0.58rem;
  letter-spacing: 0.3em;
  color: var(--gold);
  opacity: 0.4;
  text-transform: uppercase;
}

/* =========================================
   ANIMATIONS
   ========================================= */

@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-18px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes floatEnvelope {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-10px); }
}

@keyframes pulse {
  0%, 100% { opacity: 0.6; }
  50%       { opacity: 1; }
}

@keyframes sealShimmer {
  0%, 100% { box-shadow: 0 4px 16px rgba(92,10,20,0.5), inset 0 1px 3px rgba(255,255,255,0.15); }
  50%       { box-shadow: 0 4px 22px rgba(92,10,20,0.7), inset 0 1px 5px rgba(255,255,255,0.25); }
}

/* Scroll-reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.9s var(--ease-silk), transform 0.9s var(--ease-silk);
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.15s; }
.reveal-delay-2 { transition-delay: 0.3s; }
.reveal-delay-3 { transition-delay: 0.45s; }

/* =========================================
   RESPONSIVE
   ========================================= */

@media (max-width: 768px) {
  .invitation-layout {
    grid-template-columns: 1fr;
    gap: 3.5rem;
    padding: 0 1rem;
  }

  .polaroid-container {
    order: -1;
  }

  .polaroid {
    max-width: 260px;
    transform: rotate(-2deg);
  }
  .polaroid img { height: 250px; }

  .invitation-card {
    padding: 3rem 1.8rem;
  }

  .card-names {
    font-size: 2.2rem;
  }

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

  .countdown {
    gap: 1rem;
  }

  .rsvp-card {
    padding: 2.8rem 1.8rem;
  }

  .envelope {
    width: clamp(260px, 80vw, 380px);
    height: clamp(175px, 54vw, 260px);
  }

  .hero-names {
    font-size: 2.4rem;
  }
}

@media (max-width: 480px) {
  .envelope {
    width: 290px;
    height: 195px;
  }

  .from-text { font-size: 0.62rem; }
  .hero-names { font-size: 2rem; }

  .countdown-number { font-size: 2rem; }
  .countdown-sep { display: none; }
}