@font-face {
  font-family: "Italianno";
  src: url("../fonts/Italianno-Regular.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

:root {
  --ivory: #fbf5ea;
  --paper: #fffaf1;
  --cream: #f4e6d2;
  --warm: #ead5b9;
  --gold: #af8245;
  --gold-soft: #dcc08d;
  --bordeaux: #8d1f1a;
  --rose: #c98682;
  --ink: #322720;
  --muted: #76685c;
  --line: rgba(175, 130, 69, 0.28);
  --shadow: 0 20px 55px rgba(70, 43, 20, 0.14);
  --soft-shadow: 0 10px 28px rgba(70, 43, 20, 0.1);
  --radius: 8px;
  --serif: Georgia, "Times New Roman", serif;
  --sans: "Avenir Next", Avenir, "Helvetica Neue", Arial, sans-serif;
  --section-title-font: "Italianno", "Segoe Script", "Brush Script MT", cursive;
  --section-title-size: clamp(2.35rem, 9vw, 3.6rem);
  --section-title-line-height: 0.92;
  --section-title-weight: 400;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--ivory);
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(255, 252, 246, 0.92), rgba(246, 231, 211, 0.86)),
    linear-gradient(180deg, #fbf5ea 0%, #f7ead9 48%, #f3dfc6 100%);
  font-family: var(--sans);
  font-weight: 400;
  line-height: 1.65;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(175, 130, 69, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(175, 130, 69, 0.03) 1px, transparent 1px);
  background-size: 46px 46px;
  content: "";
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.2), transparent 70%);
}

body.intro-active {
  overflow: hidden;
}

body.menu-open {
  overflow: hidden;
}

body.kina-theme {
  background:
    linear-gradient(135deg, rgba(255, 250, 244, 0.94), rgba(251, 225, 217, 0.86)),
    linear-gradient(180deg, #fff6ec 0%, #f8e4d8 52%, #f2d4c5 100%);
}

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

button,
input,
select,
textarea {
  font: inherit;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 3px solid rgba(141, 31, 26, 0.34);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 0.75rem;
  left: 0.75rem;
  transform: translateY(-160%);
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  padding: 0.7rem 1rem;
  text-decoration: none;
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.intro-screen {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  min-height: 100svh;
  place-items: center;
  isolation: isolate;
  overflow: hidden;
  padding: 1rem;
  background:
    radial-gradient(circle at 50% 28%, rgba(255, 255, 255, 0.88), transparent 25rem),
    linear-gradient(145deg, #fffaf1 0%, #f4e7d2 54%, #e8d1af 100%);
  transition:
    opacity 1250ms cubic-bezier(0.22, 1, 0.36, 1),
    filter 1250ms ease,
    transform 1250ms cubic-bezier(0.22, 1, 0.36, 1),
    visibility 1250ms ease;
}

.intro-screen::before,
.intro-screen::after,
.section::before {
  position: absolute;
  content: "";
  pointer-events: none;
}

.intro-screen::before {
  inset: 0.7rem;
  border: 1px solid rgba(175, 130, 69, 0.24);
}

.intro-screen::after {
  inset: 1.15rem;
  border: 1px solid rgba(255, 255, 255, 0.5);
}

.intro-glow {
  position: absolute;
  inset: auto 0 5% 0;
  width: min(33rem, 92vw);
  height: min(33rem, 92vw);
  margin: auto;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(212, 177, 120, 0.22), transparent 68%);
  filter: blur(16px);
}

.intro-card {
  position: relative;
  z-index: 1;
  width: min(100%, 36rem);
  text-align: center;
}

.intro-kicker,
.eyebrow,
.label {
  margin: 0 0 0.7rem;
  color: var(--gold);
  font-size: 0.74rem;
  font-weight: 500;
  text-transform: uppercase;
}

.intro-envelope {
  position: relative;
  width: min(91vw, 31.5rem);
  aspect-ratio: 1.5;
  margin: 0 auto;
  perspective: 1200px;
  transform-style: preserve-3d;
  filter: drop-shadow(0 28px 34px rgba(71, 46, 23, 0.22));
  transform-origin: 50% 64%;
  transition:
    transform 1100ms cubic-bezier(0.22, 1, 0.36, 1),
    filter 1100ms ease;
}

.envelope-back,
.envelope-front,
.envelope-flap,
.invitation-card,
.wax-seal {
  position: absolute;
}

.envelope-back {
  inset: 2% 0 0;
  z-index: 1;
  overflow: hidden;
  border: 1px solid rgba(139, 106, 65, 0.22);
  border-radius: 0.9rem 0.9rem 0.55rem 0.55rem;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.35), transparent 34%),
    repeating-linear-gradient(0deg, rgba(125, 92, 49, 0.025) 0 1px, transparent 1px 4px),
    linear-gradient(145deg, #f4e9d8 0%, #e4cfad 100%);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.82);
}

.invitation-card {
  z-index: 3;
  top: 10%;
  right: 11%;
  left: 11%;
  display: grid;
  min-height: 72%;
  align-content: center;
  justify-items: center;
  overflow: hidden;
  border: 1px solid rgba(175, 130, 69, 0.38);
  border-radius: 0.35rem;
  color: #776044;
  background:
    radial-gradient(circle at 50% 16%, rgba(255, 255, 255, 0.8), transparent 36%),
    repeating-linear-gradient(90deg, rgba(128, 94, 48, 0.018) 0 1px, transparent 1px 5px),
    #fffaf1;
  box-shadow:
    inset 0 0 0 0.35rem rgba(255, 250, 241, 0.92),
    inset 0 0 0 0.42rem rgba(175, 130, 69, 0.16),
    0 12px 18px rgba(77, 49, 25, 0.1);
  transform: translateY(1.25rem) scale(0.975);
  transition:
    transform 1100ms cubic-bezier(0.22, 1, 0.36, 1) 460ms,
    box-shadow 1100ms ease 460ms;
}

.invitation-card p {
  margin: 0 0 0.35rem;
  color: var(--gold);
  font-size: clamp(0.55rem, 2.1vw, 0.72rem);
  font-weight: 700;
  text-transform: uppercase;
}

.invitation-card strong {
  display: grid;
  gap: 0.05rem;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.7rem, 7vw, 2.8rem);
  font-weight: 500;
  line-height: 0.88;
}

.invitation-card strong em {
  color: var(--gold);
  font-size: 0.58em;
  font-weight: 400;
  font-style: italic;
}

.invitation-card__line {
  width: 2.4rem;
  height: 1px;
  margin-bottom: 0.7rem;
  background: linear-gradient(90deg, transparent, var(--gold-soft), transparent);
}

.invitation-card__ornament {
  margin-top: 0.8rem;
  color: var(--gold);
  font-size: 0.85rem;
}

.envelope-flap {
  z-index: 6;
  top: 2%;
  left: 0;
  width: 100%;
  height: 57%;
  border: 1px solid rgba(139, 106, 65, 0.19);
  border-bottom: 0;
  clip-path: polygon(0 0, 100% 0, 50% 96%);
  backface-visibility: hidden;
  background:
    linear-gradient(143deg, rgba(255, 255, 255, 0.43), transparent 44%),
    linear-gradient(145deg, #f7eddd 0%, #e4cfae 100%);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.78);
  transform-origin: 50% 0;
  transform: rotateX(0deg);
  transition:
    transform 1080ms cubic-bezier(0.22, 1, 0.36, 1),
    filter 920ms ease;
}

.envelope-front {
  z-index: 5;
  right: 0;
  bottom: 0;
  left: 0;
  height: 65%;
  overflow: hidden;
  border: 1px solid rgba(139, 106, 65, 0.2);
  border-radius: 0 0 0.55rem 0.55rem;
  clip-path: polygon(0 0, 50% 58%, 100% 0, 100% 100%, 0 100%);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.5), transparent 38%),
    repeating-linear-gradient(0deg, rgba(125, 92, 49, 0.018) 0 1px, transparent 1px 5px),
    linear-gradient(145deg, #f7eddd 0%, #e5d0ae 100%);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.72);
  transform: translateY(0);
  transition: transform 1000ms cubic-bezier(0.22, 1, 0.36, 1) 420ms;
}

.envelope-front::before,
.envelope-front::after {
  position: absolute;
  top: -1px;
  width: 53%;
  height: 76%;
  border-top: 1px solid rgba(139, 106, 65, 0.17);
  content: "";
}

.envelope-front::before {
  left: -1px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.26), transparent 64%);
  clip-path: polygon(0 0, 100% 76%, 0 100%);
}

.envelope-front::after {
  right: -1px;
  background: linear-gradient(225deg, rgba(255, 255, 255, 0.28), transparent 64%);
  clip-path: polygon(100% 0, 0 76%, 100% 100%);
}

.wax-seal {
  z-index: 8;
  top: 62%;
  left: 50%;
  display: grid;
  width: clamp(4.65rem, 21vw, 5.85rem);
  height: clamp(4.65rem, 21vw, 5.85rem);
  place-items: center;
  border: 1px solid rgba(91, 12, 10, 0.62);
  border-radius: 48% 52% 51% 49% / 50% 47% 53% 50%;
  color: rgba(255, 231, 210, 0.92);
  background:
    radial-gradient(circle at 32% 22%, rgba(255, 255, 255, 0.34), transparent 12%),
    radial-gradient(circle at 50% 48%, #a62d25 0 45%, #851714 69%, #66100f 100%);
  box-shadow:
    inset 0 2px 6px rgba(255, 244, 224, 0.34),
    inset 0 -8px 12px rgba(55, 0, 0, 0.28),
    0 10px 18px rgba(79, 14, 12, 0.28);
  transform: translate(-50%, -50%) rotate(-2deg);
  transition:
    transform 330ms cubic-bezier(0.22, 1, 0.36, 1),
    filter 330ms ease,
    box-shadow 520ms ease;
}

.wax-seal::before {
  position: absolute;
  inset: 0.42rem;
  border: 1px solid rgba(255, 228, 202, 0.45);
  border-radius: inherit;
  content: "";
}

.wax-seal::after {
  position: absolute;
  inset: 0.2rem;
  border-radius: inherit;
  background: linear-gradient(118deg, transparent 32%, rgba(255, 255, 255, 0.3) 48%, transparent 60%);
  content: "";
  opacity: 0;
  transform: translateX(-0.9rem);
  animation: seal-shine 4.8s ease-in-out infinite;
}

.wax-seal span {
  position: relative;
  z-index: 1;
  font-family: var(--serif);
  font-size: clamp(1.05rem, 4.4vw, 1.42rem);
  font-weight: 500;
  text-shadow: 0 1px 2px rgba(67, 0, 0, 0.48);
}

.wax-seal i {
  display: inline-block;
  margin: 0 0.08em;
  color: rgba(255, 220, 191, 0.95);
  font-size: 0.82em;
  font-style: italic;
}

.seal-click-area {
  position: absolute;
  z-index: 10;
  top: 62%;
  left: 50%;
  width: clamp(5rem, 22vw, 6.2rem);
  height: clamp(5rem, 22vw, 6.2rem);
  appearance: none;
  border: 0;
  border-radius: 999px;
  background: transparent;
  box-shadow: none;
  color: transparent;
  cursor: pointer;
  padding: 0;
  transform: translate(-50%, -50%);
}

.seal-click-area:hover,
.seal-click-area:active {
  background: transparent;
  box-shadow: none;
}

.seal-click-area:focus-visible {
  outline: 2px solid rgba(141, 31, 26, 0.72);
  outline-offset: 0.2rem;
}

.intro-hint {
  width: min(24rem, 92%);
  margin: 1.25rem auto 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.intro-screen.is-seal-pressed .wax-seal {
  filter: brightness(1.12) saturate(1.06);
  transform: translate(-50%, -50%) rotate(-2deg) scale(0.94);
}

.intro-screen.is-seal-pressed .wax-seal::after {
  opacity: 0.9;
  transform: translateX(0.85rem);
  transition: opacity 280ms ease, transform 330ms ease;
}

.intro-screen.is-opening .intro-envelope {
  filter: drop-shadow(0 36px 46px rgba(71, 46, 23, 0.18));
  transform: translateY(-0.55rem) scale(1.015);
}

.intro-screen.is-opening .envelope-flap {
  filter: brightness(1.035);
  transform: rotateX(-162deg) translateY(-2%);
}

.intro-screen.is-opening .invitation-card {
  box-shadow:
    inset 0 0 0 0.35rem rgba(255, 250, 241, 0.92),
    inset 0 0 0 0.42rem rgba(175, 130, 69, 0.16),
    0 24px 34px rgba(77, 49, 25, 0.16);
  transform: translateY(-30%) scale(1.04);
}

.intro-screen.is-opening .envelope-front {
  transform: translateY(3%);
}

.intro-screen.is-opening .wax-seal {
  filter: brightness(1.04);
  transform: translate(-50%, calc(-50% + 0.3rem)) rotate(-2deg) scale(0.98);
  transition-delay: 540ms;
}

.intro-screen.is-transitioning {
  filter: blur(4px);
  opacity: 0;
  transform: scale(1.025);
}

/* Reference-style mobile invitation intro. */
.intro-screen {
  padding: clamp(0.9rem, 3svh, 1.6rem) 1rem;
  background:
    radial-gradient(ellipse at 50% 18%, rgba(255, 252, 244, 0.94), transparent 24rem),
    linear-gradient(154deg, #fffaf0 0%, #f3e4cf 52%, #dfc39c 100%);
}

.intro-screen::before {
  inset: -12% -18%;
  border: 0;
  background:
    radial-gradient(ellipse at 14% 38%, rgba(255, 255, 255, 0.62), transparent 25rem),
    repeating-linear-gradient(112deg, rgba(118, 91, 55, 0.08) 0 1px, transparent 1px 24px),
    linear-gradient(112deg, transparent 0 46%, rgba(255, 255, 255, 0.3) 47% 49%, transparent 50%),
    linear-gradient(72deg, transparent 0 52%, rgba(130, 94, 50, 0.1) 54% 55%, transparent 57%);
  filter: blur(0.2px);
  opacity: 0.52;
  transform: rotate(-5deg) scale(1.08);
}

.intro-screen::after {
  inset: 0.9rem;
  border: 1px solid rgba(175, 130, 69, 0.22);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.34);
}

.intro-glow {
  inset: auto 0 7% 0;
  width: min(34rem, 94vw);
  height: min(34rem, 94vw);
  background:
    radial-gradient(circle at 50% 50%, rgba(255, 249, 238, 0.66), transparent 38%),
    radial-gradient(circle, rgba(176, 131, 70, 0.2), transparent 70%);
  filter: blur(18px);
}

.intro-card {
  display: grid;
  justify-items: center;
  width: min(100%, 30rem);
}

.intro-kicker {
  margin-bottom: clamp(0.65rem, 2svh, 1rem);
  color: rgba(116, 88, 54, 0.72);
  letter-spacing: 0.16em;
}

.intro-envelope {
  width: auto;
  max-width: min(78vw, 21rem);
  height: min(72svh, 35.5rem);
  aspect-ratio: 9 / 16;
  margin: 0 auto;
  perspective: 1400px;
  filter: drop-shadow(0 30px 38px rgba(60, 41, 25, 0.24));
  transform: translateY(0) scale(1);
}

.phone-frame {
  position: absolute;
  inset: 0;
  z-index: 2;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: clamp(1.55rem, 6vw, 2.15rem);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.2), transparent 30%),
    #171411;
  box-shadow:
    inset 0 0 0 0.38rem #0f0d0b,
    inset 0 0 0 0.5rem rgba(255, 255, 255, 0.06),
    0 22px 48px rgba(49, 33, 20, 0.28);
  transform-origin: 50% 68%;
  transition:
    transform 1120ms cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 1120ms ease,
    filter 1120ms ease;
}

.phone-speaker {
  position: absolute;
  z-index: 5;
  top: 0.62rem;
  left: 50%;
  width: 31%;
  height: 1.05rem;
  border-radius: 0 0 1rem 1rem;
  background: #0d0b0a;
  box-shadow:
    inset 0 -1px rgba(255, 255, 255, 0.08),
    0 1px 5px rgba(0, 0, 0, 0.28);
  transform: translateX(-50%);
}

.invitation-card {
  inset: 0.58rem;
  z-index: 3;
  display: block;
  min-height: auto;
  overflow: hidden;
  border: 0;
  border-radius: clamp(1.1rem, 4.8vw, 1.62rem);
  color: var(--ink);
  background: #fff8ee;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.34);
  transform: translateY(0) scale(1);
  transition:
    transform 1120ms cubic-bezier(0.22, 1, 0.36, 1) 280ms,
    filter 1120ms ease 280ms;
}

.invitation-card__photo {
  position: relative;
  height: 58%;
  overflow: hidden;
  background: linear-gradient(145deg, #d8c1a2, #f6ebdc);
}

.invitation-card__photo::after {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.06), transparent 42%, rgba(255, 248, 236, 0.86) 100%),
    radial-gradient(circle at 72% 78%, rgba(255, 255, 255, 0.38), transparent 11rem);
  content: "";
}

.invitation-card__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) sepia(0.17) contrast(0.92) brightness(1.02);
  transform: scale(1.02);
  transition:
    transform 1600ms cubic-bezier(0.22, 1, 0.36, 1),
    filter 1400ms ease;
}

.invitation-card__body {
  position: relative;
  display: grid;
  min-height: 42%;
  align-content: center;
  justify-items: center;
  padding: clamp(1.15rem, 5vw, 1.7rem) clamp(1rem, 5vw, 1.45rem) clamp(1rem, 4.5vw, 1.35rem);
  background:
    radial-gradient(ellipse at 50% 0%, rgba(255, 255, 255, 0.94), transparent 48%),
    linear-gradient(180deg, rgba(255, 248, 236, 0.94), #fffaf1 72%);
}

.invitation-card__body::before {
  position: absolute;
  inset: 0.55rem;
  border: 1px solid rgba(175, 130, 69, 0.2);
  border-radius: 0.9rem;
  content: "";
  pointer-events: none;
}

.invitation-card p {
  margin: 0.1rem 0 0.35rem;
  color: #5c4b3e;
  font-family: var(--serif);
  font-size: clamp(1.1rem, 5vw, 1.55rem);
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
}

.invitation-card strong {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.24em;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.65rem, 7.4vw, 2.35rem);
  font-weight: 500;
  line-height: 0.98;
}

.invitation-card strong em {
  color: var(--gold);
  font-size: 0.72em;
  font-style: italic;
}

.invitation-card small {
  display: block;
  margin-top: 0.72rem;
  color: rgba(96, 73, 50, 0.72);
  font-size: clamp(0.62rem, 2.8vw, 0.78rem);
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.invitation-card__line {
  width: 3.1rem;
  margin-bottom: 0.48rem;
  background: linear-gradient(90deg, transparent, rgba(175, 130, 69, 0.8), transparent);
}

.wax-seal {
  top: 57%;
  left: 83%;
  width: clamp(4.3rem, 18vw, 5.35rem);
  height: clamp(4.3rem, 18vw, 5.35rem);
  color: rgba(255, 238, 209, 0.94);
  background:
    radial-gradient(circle at 31% 21%, rgba(255, 255, 255, 0.3), transparent 13%),
    radial-gradient(circle at 50% 48%, #b67b36 0 44%, #9a5a23 67%, #774019 100%);
  border-color: rgba(98, 55, 18, 0.5);
  box-shadow:
    inset 0 2px 7px rgba(255, 244, 218, 0.42),
    inset 0 -9px 13px rgba(76, 35, 8, 0.24),
    0 10px 22px rgba(60, 39, 20, 0.26);
  transform: translate(-50%, -50%) rotate(-7deg);
}

.wax-seal::before {
  inset: 0.43rem;
  border-color: rgba(255, 228, 190, 0.52);
}

.wax-seal span {
  font-size: clamp(1rem, 4.2vw, 1.34rem);
  text-shadow: 0 1px 2px rgba(65, 35, 10, 0.48);
}

.seal-click-area {
  top: 57%;
  left: 83%;
  width: clamp(5rem, 20vw, 6rem);
  height: clamp(5rem, 20vw, 6rem);
}

.intro-hint {
  margin-top: clamp(0.9rem, 2.4svh, 1.3rem);
  color: rgba(82, 66, 50, 0.74);
  font-size: clamp(0.84rem, 3.5vw, 0.95rem);
}

.intro-screen.is-seal-pressed .wax-seal {
  filter: brightness(1.12) saturate(1.05);
  transform: translate(-50%, -50%) rotate(-7deg) scale(0.94);
}

.intro-screen.is-opening .intro-envelope {
  animation: intro-envelope-lift 1900ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
  filter: drop-shadow(0 36px 50px rgba(60, 41, 25, 0.2));
  transform: translateY(-0.7rem) scale(1.025);
}

.intro-screen.is-opening .phone-frame {
  animation: intro-phone-lift 1700ms cubic-bezier(0.22, 1, 0.36, 1) 120ms forwards;
  box-shadow:
    inset 0 0 0 0.38rem #0f0d0b,
    inset 0 0 0 0.5rem rgba(255, 255, 255, 0.08),
    0 30px 58px rgba(49, 33, 20, 0.22);
  transform: rotateX(2.5deg) translateY(-0.25rem);
}

.intro-screen.is-opening .invitation-card {
  animation: intro-card-release 1750ms cubic-bezier(0.22, 1, 0.36, 1) 220ms forwards;
  filter: brightness(1.02);
  transform: translateY(-1.05rem) scale(1.035);
}

.intro-screen.is-opening .invitation-card__photo img {
  animation: intro-photo-awaken 1900ms cubic-bezier(0.22, 1, 0.36, 1) 160ms forwards;
  filter: grayscale(0.58) sepia(0.2) contrast(0.94) brightness(1.06);
  transform: scale(1.085);
}

.intro-screen.is-opening .wax-seal {
  filter: brightness(1.08);
  transform: translate(-46%, -54%) rotate(-7deg) scale(0.98);
  transition-delay: 360ms;
}

.intro-screen.is-transitioning .intro-envelope {
  opacity: 0;
  transform: translateY(-4svh) scale(1.14);
  transition:
    opacity 980ms ease,
    transform 1200ms cubic-bezier(0.22, 1, 0.36, 1);
}

/* Premium portrait envelope intro. */
.intro-screen {
  padding: clamp(1rem, 3svh, 1.8rem) 1rem;
  background:
    radial-gradient(ellipse at 50% 18%, rgba(255, 252, 244, 0.94), transparent 23rem),
    radial-gradient(ellipse at 28% 88%, rgba(221, 193, 140, 0.22), transparent 20rem),
    linear-gradient(150deg, #fffaf0 0%, #f2e2cd 52%, #dec299 100%);
}

.intro-screen::before {
  inset: -12% -20%;
  border: 0;
  background:
    radial-gradient(ellipse at 14% 36%, rgba(255, 255, 255, 0.58), transparent 24rem),
    repeating-linear-gradient(112deg, rgba(108, 82, 48, 0.07) 0 1px, transparent 1px 22px),
    linear-gradient(112deg, transparent 0 47%, rgba(255, 255, 255, 0.28) 48% 49%, transparent 50%),
    linear-gradient(72deg, transparent 0 52%, rgba(122, 88, 47, 0.09) 54% 55%, transparent 57%);
  opacity: 0.52;
  transform: rotate(-5deg) scale(1.08);
}

.intro-screen::after {
  inset: 0.9rem;
  border: 1px solid rgba(175, 130, 69, 0.22);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.34);
}

.intro-card {
  display: grid;
  justify-items: center;
  width: min(100%, 31rem);
}

.intro-kicker {
  margin-bottom: clamp(0.7rem, 2.2svh, 1rem);
  color: rgba(113, 86, 51, 0.72);
  letter-spacing: 0.16em;
}

.intro-envelope.envelope {
  position: relative;
  width: min(79vw, 23rem);
  max-width: 23rem;
  height: auto;
  aspect-ratio: 0.72;
  margin: 0 auto;
  overflow: visible;
  perspective: 1700px;
  transform: translateY(0) scale(1);
  transform-style: preserve-3d;
  filter: drop-shadow(0 30px 40px rgba(61, 41, 22, 0.24));
  transition:
    opacity 1050ms ease,
    filter 1200ms ease,
    transform 1300ms cubic-bezier(0.22, 1, 0.36, 1);
}

.intro-envelope.envelope::before {
  position: absolute;
  inset: -0.38rem;
  z-index: 0;
  border-radius: 0.95rem;
  background: radial-gradient(ellipse at 50% 55%, rgba(255, 252, 244, 0.28), transparent 68%);
  content: "";
  filter: blur(10px);
}

.envelope-back,
.envelope-left,
.envelope-right,
.envelope-bottom,
.envelope-card {
  position: absolute;
}

.envelope-back,
.envelope-left,
.envelope-right,
.envelope-bottom {
  border: 1px solid rgba(138, 103, 61, 0.2);
  background:
    radial-gradient(circle at 26% 18%, rgba(255, 255, 255, 0.36), transparent 10rem),
    repeating-linear-gradient(0deg, rgba(101, 75, 42, 0.024) 0 1px, transparent 1px 4px),
    repeating-linear-gradient(90deg, rgba(101, 75, 42, 0.018) 0 1px, transparent 1px 5px),
    linear-gradient(145deg, #f9efde 0%, #e9d4b4 100%);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.72);
  backface-visibility: hidden;
  transform-style: preserve-3d;
}

.envelope-back {
  inset: 0;
  z-index: 1;
  overflow: hidden;
  border-radius: 0.82rem;
  background:
    radial-gradient(circle at 50% 18%, rgba(255, 255, 255, 0.48), transparent 10rem),
    repeating-linear-gradient(0deg, rgba(101, 75, 42, 0.022) 0 1px, transparent 1px 5px),
    linear-gradient(150deg, #fbf0df 0%, #e6cfac 100%);
}

.envelope-back::before,
.envelope-back::after {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
}

.envelope-back::before {
  background:
    linear-gradient(35deg, transparent 0 49.6%, rgba(130, 96, 54, 0.16) 50%, transparent 50.4%),
    linear-gradient(145deg, transparent 0 49.6%, rgba(255, 255, 255, 0.34) 50%, transparent 50.4%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.26), transparent 46%);
}

.envelope-back::after {
  inset: 0.55rem;
  border: 1px solid rgba(175, 130, 69, 0.14);
  border-radius: 0.55rem;
}

.envelope-card {
  z-index: 2;
  inset: 8% 10% 10%;
  display: grid;
  align-content: center;
  justify-items: center;
  overflow: hidden;
  border: 1px solid rgba(175, 130, 69, 0.3);
  border-radius: 0.45rem;
  color: var(--ink);
  background:
    radial-gradient(circle at 50% 8%, rgba(255, 255, 255, 0.9), transparent 38%),
    repeating-linear-gradient(90deg, rgba(116, 86, 47, 0.022) 0 1px, transparent 1px 5px),
    linear-gradient(180deg, #fffbf3 0%, #f8ecd9 100%);
  box-shadow:
    inset 0 0 0 0.4rem rgba(255, 250, 242, 0.9),
    inset 0 0 0 0.48rem rgba(175, 130, 69, 0.13),
    0 12px 22px rgba(65, 42, 21, 0.12);
  opacity: 0.98;
  transform: translateY(4%) scale(0.965);
  transform-origin: 50% 72%;
}

.envelope-card__ornament {
  position: relative;
  display: block;
  width: 3.3rem;
  height: 1px;
  margin-bottom: 0.85rem;
  background: linear-gradient(90deg, transparent, rgba(175, 130, 69, 0.78), transparent);
}

.envelope-card__ornament::before,
.envelope-card__ornament::after {
  position: absolute;
  left: 50%;
  width: 0.42rem;
  height: 0.42rem;
  border: 1px solid rgba(175, 130, 69, 0.52);
  content: "";
  transform: translate(-50%, -45%) rotate(45deg);
}

.envelope-card p {
  margin: 0 0 0.46rem;
  color: var(--gold);
  font-size: clamp(0.55rem, 2.1vw, 0.72rem);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.envelope-card strong {
  display: grid;
  gap: 0.05rem;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.7rem, 7vw, 2.7rem);
  font-weight: 500;
  line-height: 0.9;
  text-align: center;
}

.envelope-card strong em {
  color: var(--gold);
  font-size: 0.58em;
  font-style: italic;
}

.envelope-card small {
  margin-top: 0.9rem;
  color: rgba(89, 68, 46, 0.68);
  font-size: clamp(0.58rem, 2.35vw, 0.72rem);
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.envelope-left {
  z-index: 5;
  inset: 0 auto 0 0;
  width: 58%;
  border-radius: 0.82rem 0 0 0.82rem;
  clip-path: polygon(0 0, 100% 50%, 0 100%);
  transform: rotateY(0deg) translateX(0);
  transform-origin: left center;
}

.envelope-right {
  z-index: 6;
  inset: 0 0 0 auto;
  width: 58%;
  border-radius: 0 0.82rem 0.82rem 0;
  clip-path: polygon(100% 0, 0 50%, 100% 100%);
  background:
    radial-gradient(circle at 68% 18%, rgba(255, 255, 255, 0.44), transparent 10rem),
    repeating-linear-gradient(0deg, rgba(101, 75, 42, 0.026) 0 1px, transparent 1px 4px),
    repeating-linear-gradient(90deg, rgba(101, 75, 42, 0.018) 0 1px, transparent 1px 5px),
    linear-gradient(145deg, #fbf1df 0%, #e4cba5 100%);
  box-shadow:
    inset 0 1px rgba(255, 255, 255, 0.76),
    -10px 0 18px rgba(87, 57, 26, 0.08);
  transform: rotateY(0deg) translateX(0);
  transform-origin: right center;
}

.envelope-bottom {
  z-index: 7;
  right: 0;
  bottom: 0;
  left: 0;
  height: 58%;
  border-radius: 0 0 0.82rem 0.82rem;
  clip-path: polygon(0 100%, 50% 0, 100% 100%);
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.42), transparent 42%),
    repeating-linear-gradient(0deg, rgba(101, 75, 42, 0.023) 0 1px, transparent 1px 4px),
    linear-gradient(145deg, #f8ecda 0%, #dfc39d 100%);
  box-shadow:
    inset 0 1px rgba(255, 255, 255, 0.7),
    0 -8px 16px rgba(82, 53, 25, 0.06);
  transform-origin: 50% 100%;
}

.wax-seal {
  z-index: 10;
  top: 50%;
  left: 50%;
  width: clamp(4.65rem, 21vw, 5.7rem);
  height: clamp(4.65rem, 21vw, 5.7rem);
  border: 1px solid rgba(85, 12, 10, 0.62);
  color: rgba(255, 232, 207, 0.94);
  background:
    radial-gradient(circle at 32% 23%, rgba(255, 255, 255, 0.34), transparent 13%),
    radial-gradient(circle at 50% 48%, #a82f28 0 44%, #871815 68%, #65100e 100%);
  box-shadow:
    inset 0 2px 7px rgba(255, 244, 222, 0.34),
    inset 0 -9px 13px rgba(52, 0, 0, 0.3),
    0 11px 20px rgba(73, 12, 10, 0.3);
  transform: translate(-50%, -50%) rotate(-2deg);
}

.wax-seal::before {
  inset: 0.43rem;
  border-color: rgba(255, 228, 201, 0.48);
}

.wax-seal span {
  font-size: clamp(1.05rem, 4.4vw, 1.4rem);
  text-shadow: 0 1px 2px rgba(67, 0, 0, 0.5);
}

.seal-hitbox,
.seal-click-area {
  z-index: 12;
  top: 50%;
  left: 50%;
  width: clamp(5rem, 23vw, 6.25rem);
  height: clamp(5rem, 23vw, 6.25rem);
  border: 0;
  background: transparent;
  box-shadow: none;
  opacity: 1;
  transform: translate(-50%, -50%);
}

.seal-hitbox:hover,
.seal-hitbox:active,
.seal-click-area:hover,
.seal-click-area:active {
  background: transparent;
  box-shadow: none;
}

.seal-hitbox:focus-visible,
.seal-click-area:focus-visible {
  outline: 2px solid rgba(141, 31, 26, 0.72);
  outline-offset: 0.22rem;
}

.intro-hint {
  margin-top: clamp(1rem, 2.5svh, 1.35rem);
  color: rgba(82, 66, 50, 0.74);
  font-size: clamp(0.84rem, 3.4vw, 0.95rem);
}

.intro-screen.is-seal-pressed .wax-seal {
  filter: brightness(1.13) saturate(1.05);
  transform: translate(-50%, -50%) rotate(-2deg) scale(0.94);
}

.intro-screen.is-seal-pressed .wax-seal::after {
  opacity: 0.9;
  transform: translateX(0.85rem);
  transition: opacity 280ms ease, transform 330ms ease;
}

.intro-screen.envelope-opening .envelope {
  animation: envelope-stage-rise 2900ms cubic-bezier(0.22, 1, 0.36, 1) 260ms forwards;
}

.intro-screen.envelope-opening .envelope-right {
  animation: envelope-right-open 1150ms cubic-bezier(0.22, 1, 0.36, 1) 330ms forwards;
}

.intro-screen.envelope-opening .envelope-left {
  animation: envelope-left-open 1150ms cubic-bezier(0.22, 1, 0.36, 1) 1180ms forwards;
}

.intro-screen.envelope-opening .envelope-bottom {
  animation: envelope-bottom-settle 1200ms cubic-bezier(0.22, 1, 0.36, 1) 1320ms forwards;
}

.intro-screen.envelope-opening .envelope-card {
  animation: envelope-card-emerge 1350ms cubic-bezier(0.22, 1, 0.36, 1) 2050ms forwards;
}

.intro-screen.envelope-opening .wax-seal {
  animation: wax-seal-release 1650ms cubic-bezier(0.22, 1, 0.36, 1) 330ms forwards;
}

.intro-screen.is-transitioning .envelope {
  opacity: 0;
  transform: translateY(-7svh) scale(1.12);
  filter: blur(3px) drop-shadow(0 34px 48px rgba(61, 41, 22, 0.18));
}

/* Reference-image intro: the closed envelope image is the only visible start state. */
.intro-screen {
  padding: clamp(0.55rem, 1.8svh, 1.1rem) 0.55rem;
  background:
    radial-gradient(ellipse at 50% 18%, rgba(255, 248, 235, 0.72), transparent 24rem),
    linear-gradient(150deg, #f8ead2 0%, #dfbd8b 100%);
}

.intro-screen::before {
  inset: 0;
  border: 0;
  background:
    radial-gradient(ellipse at 50% 50%, rgba(255, 255, 255, 0.34), transparent 28rem),
    repeating-linear-gradient(90deg, rgba(104, 78, 45, 0.025) 0 1px, transparent 1px 5px),
    repeating-linear-gradient(0deg, rgba(104, 78, 45, 0.02) 0 1px, transparent 1px 6px);
  opacity: 0.72;
  transform: none;
}

.intro-screen::after {
  display: none;
}

.intro-card {
  width: min(100%, 35rem);
  text-align: center;
}

.intro-envelope.envelope-stage {
  --seal-x: 50%;
  --seal-y: 51.4%;
  position: relative;
  width: min(88vw, 32rem) !important;
  max-width: min(88vw, 32rem) !important;
  height: auto !important;
  max-height: none !important;
  aspect-ratio: 1054 / 1492;
  margin: 0 auto;
  overflow: visible;
  perspective: 1800px;
  transform: translateY(0) scale(1);
  transform-style: preserve-3d;
  filter: drop-shadow(0 24px 30px rgba(62, 40, 20, 0.25));
  transition:
    opacity 1100ms ease,
    filter 1200ms ease,
    transform 1300ms cubic-bezier(0.22, 1, 0.36, 1);
}

.envelope-closed-image {
  position: relative;
  z-index: 4;
  width: 100%;
  height: auto;
  border-radius: 0.1rem;
  object-fit: contain;
  transform: translateZ(0);
  transform-origin: 50% var(--seal-y);
  transition:
    opacity 900ms ease,
    filter 1100ms ease,
    transform 1100ms cubic-bezier(0.22, 1, 0.36, 1);
  user-select: none;
  -webkit-user-drag: none;
}

.envelope-left-door,
.envelope-right-door {
  position: absolute;
  inset: 0;
  opacity: 1;
  border: 1px solid rgba(128, 92, 50, 0.16);
  background:
    radial-gradient(circle at 32% 20%, rgba(255, 255, 255, 0.28), transparent 10rem),
    repeating-linear-gradient(28deg, rgba(113, 79, 42, 0.035) 0 1px, transparent 1px 5px),
    repeating-linear-gradient(96deg, rgba(112, 80, 43, 0.018) 0 1px, transparent 1px 7px),
    linear-gradient(145deg, #f6e4c6 0%, #d6b37b 100%);
  box-shadow:
    inset 0 1px rgba(255, 255, 255, 0.55),
    0 18px 28px rgba(57, 35, 12, 0.12);
  backface-visibility: hidden;
  pointer-events: none;
  transform: perspective(1200px) rotateY(0deg) translateX(0);
  transform-style: preserve-3d;
  will-change: transform, opacity;
}

.envelope-left-door {
  z-index: 6;
  clip-path: polygon(0 0, 51.5% 50.2%, 0 100%);
  transform-origin: left center;
}

.envelope-right-door {
  z-index: 7;
  clip-path: polygon(100% 0, 48.5% 50.2%, 100% 100%);
  transform-origin: right center;
  background:
    radial-gradient(circle at 72% 20%, rgba(255, 255, 255, 0.3), transparent 10rem),
    repeating-linear-gradient(28deg, rgba(113, 79, 42, 0.035) 0 1px, transparent 1px 5px),
    repeating-linear-gradient(96deg, rgba(112, 80, 43, 0.018) 0 1px, transparent 1px 7px),
    linear-gradient(145deg, #f8e8ce 0%, #d3ad73 100%);
  box-shadow:
    inset 0 1px rgba(255, 255, 255, 0.58),
    -14px 0 24px rgba(57, 35, 12, 0.13);
}

.envelope-left-door::before,
.envelope-right-door::before {
  position: absolute;
  inset: 0;
  content: "";
  opacity: 0.58;
  pointer-events: none;
}

.envelope-left-door::before {
  background:
    linear-gradient(132deg, transparent 0 48.9%, rgba(92, 58, 24, 0.22) 49.3% 49.8%, rgba(255, 255, 255, 0.36) 50.2% 50.7%, transparent 51.1% 100%);
}

.envelope-right-door::before {
  background:
    linear-gradient(48deg, transparent 0 48.9%, rgba(92, 58, 24, 0.22) 49.3% 49.8%, rgba(255, 255, 255, 0.36) 50.2% 50.7%, transparent 51.1% 100%);
}

.envelope-stage .wax-seal {
  position: absolute;
  z-index: 8;
  top: var(--seal-y);
  left: var(--seal-x);
  width: clamp(4.8rem, 24vw, 6.2rem);
  height: clamp(4.8rem, 24vw, 6.2rem);
  display: grid;
  place-items: center;
  border: 1px solid rgba(91, 12, 10, 0.6);
  border-radius: 999px;
  color: rgba(255, 229, 202, 0.96);
  background-color: #851815 !important;
  background:
    radial-gradient(circle at 33% 23%, rgba(255, 255, 255, 0.46), transparent 15%),
    radial-gradient(circle at 50% 48%, #a72c26 0 44%, #851815 68%, #66100e 100%) !important;
  box-shadow:
    inset 0 2px 7px rgba(255, 244, 222, 0.34),
    inset 0 -9px 13px rgba(52, 0, 0, 0.3),
    0 11px 20px rgba(73, 12, 10, 0.3);
  opacity: 0.98;
  pointer-events: none;
  transform: translate(-50%, -50%) rotate(-2deg) scale(0.98);
  text-shadow: 0 1px 2px rgba(67, 0, 0, 0.5);
  -webkit-tap-highlight-color: transparent;
  isolation: isolate;
  mix-blend-mode: normal;
}

.envelope-stage .wax-seal::before {
  display: block;
  position: absolute;
  inset: 0.43rem;
  border: 1px solid rgba(255, 228, 201, 0.48);
  border-radius: inherit;
  content: "";
}

.envelope-stage .wax-seal::after {
  position: absolute;
  inset: 0.35rem;
  border-radius: inherit;
  background: linear-gradient(118deg, transparent 30%, rgba(255, 255, 255, 0.42) 48%, transparent 64%);
  content: "";
  opacity: 0;
  transform: translateX(-0.9rem);
}

.envelope-stage .wax-seal span {
  position: relative;
  z-index: 1;
  font-family: var(--serif);
  font-size: clamp(1.05rem, 4.4vw, 1.42rem);
  font-weight: 500;
}

.envelope-stage .seal-hitbox,
.envelope-stage .seal-click-area {
  position: absolute;
  z-index: 10;
  top: var(--seal-y);
  left: var(--seal-x);
  display: block;
  width: clamp(5.2rem, 25vw, 6.5rem);
  height: clamp(5.2rem, 25vw, 6.5rem);
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  border: 0 !important;
  border-color: transparent !important;
  border-radius: 999px;
  background: transparent !important;
  background-color: transparent !important;
  box-shadow: none !important;
  color: transparent !important;
  cursor: pointer;
  filter: none !important;
  opacity: 1;
  outline: none;
  padding: 0;
  text-shadow: none !important;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  touch-action: manipulation;
  transform: translate(-50%, -50%);
  user-select: none;
  -webkit-user-select: none;
}

.envelope-stage .seal-hitbox:hover,
.envelope-stage .seal-hitbox:active,
.envelope-stage .seal-hitbox:focus,
.envelope-stage .seal-hitbox:disabled,
.envelope-stage .seal-click-area:hover,
.envelope-stage .seal-click-area:active,
.envelope-stage .seal-click-area:focus,
.envelope-stage .seal-click-area:disabled {
  border: 0 !important;
  border-color: transparent !important;
  background: transparent !important;
  background-color: transparent !important;
  box-shadow: none !important;
  color: transparent !important;
  filter: none !important;
  outline: none;
  -webkit-tap-highlight-color: transparent;
}

.envelope-stage .seal-hitbox::before,
.envelope-stage .seal-hitbox::after,
.envelope-stage .seal-click-area::before,
.envelope-stage .seal-click-area::after {
  display: none !important;
  content: none !important;
}

.envelope-stage .seal-hitbox::-moz-focus-inner,
.envelope-stage .seal-click-area::-moz-focus-inner {
  border: 0;
  padding: 0;
}

.envelope-stage .seal-hitbox:focus-visible,
.envelope-stage .seal-click-area:focus-visible {
  outline: 1px solid rgba(160, 120, 70, 0.35);
  outline-offset: 8px;
}

.intro-screen.is-seal-pressed .envelope-stage .envelope-closed-image {
  filter: brightness(1.035) saturate(1.02);
  transform: translateZ(0) scale(0.992);
}

.intro-screen.is-seal-pressed .envelope-stage .wax-seal {
  opacity: 1;
  filter: brightness(1.12) saturate(1.05);
  transform: translate(-50%, -50%) rotate(-2deg) scale(0.97);
}

.intro-screen.is-seal-pressed .envelope-stage .wax-seal::after {
  opacity: 0.9;
  transform: translateX(0.75rem);
  transition: opacity 280ms ease, transform 330ms ease;
}

.intro-screen.intro-opening .envelope-stage {
  animation: reference-envelope-rise 2150ms cubic-bezier(0.22, 1, 0.36, 1) 250ms forwards;
}

.intro-screen.intro-opening .envelope-closed-image {
  animation: envelope-image-recede 1350ms cubic-bezier(0.22, 1, 0.36, 1) 420ms forwards;
}

.intro-screen.intro-opening .envelope-right-door {
  animation: envelope-right-door-open 980ms cubic-bezier(0.22, 1, 0.36, 1) 0ms forwards;
}

.intro-screen.intro-opening .envelope-left-door {
  animation: envelope-left-door-open 980ms cubic-bezier(0.22, 1, 0.36, 1) 450ms forwards;
}

.intro-screen.intro-opening .envelope-stage .wax-seal {
  animation: reference-seal-release 850ms cubic-bezier(0.22, 1, 0.36, 1) 220ms forwards;
}

.intro-screen.intro-finished .envelope-stage {
  opacity: 0;
  transform: translateY(-2.5svh) scale(1.055);
  filter: blur(2.4px) drop-shadow(0 34px 48px rgba(61, 41, 22, 0.14));
}

.intro-screen.is-transitioning {
  filter: blur(2px);
  opacity: 0;
  pointer-events: none;
  transform: scale(1.018);
}

.intro-screen.intro-cleared {
  visibility: hidden;
}

.intro-screen.intro-cleared .envelope-stage {
  opacity: 0 !important;
  visibility: hidden;
}

/* Split-image intro: the envelope image is split into two clean sliding halves. */
.intro-screen {
  box-sizing: border-box;
  overflow: hidden;
  padding: clamp(0.55rem, 1.7svh, 1rem) 0.55rem clamp(0.75rem, 2svh, 1.2rem);
  background:
    radial-gradient(ellipse at 50% 18%, rgba(255, 249, 237, 0.74), transparent 24rem),
    radial-gradient(ellipse at 50% 88%, rgba(207, 167, 100, 0.18), transparent 20rem),
    linear-gradient(150deg, #fff6e8 0%, #efd9b9 100%);
}

.intro-card {
  display: grid;
  width: min(100%, 38rem);
  min-height: calc(100svh - clamp(1.3rem, 3.7svh, 2.2rem));
  align-content: center;
  justify-items: center;
  gap: clamp(0.46rem, 1.6svh, 0.9rem);
  text-align: center;
}

.intro-envelope.envelope-stage {
  --seal-x: 50%;
  --seal-y: 51.4%;
  position: relative;
  width: min(92vw, 57.9svh, 34rem) !important;
  max-width: min(92vw, 57.9svh, 34rem) !important;
  height: auto !important;
  max-height: 82svh !important;
  aspect-ratio: 1054 / 1492;
  margin: 0 auto;
  overflow: visible;
  perspective: none;
  transform: translateY(0) scale(1);
  transform-style: flat;
  filter: drop-shadow(0 24px 34px rgba(62, 40, 20, 0.24));
  transition:
    opacity 900ms ease,
    filter 1050ms ease,
    transform 1250ms cubic-bezier(0.22, 1, 0.36, 1);
}

.envelope-preload {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}

.envelope-half {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 50.08%;
  background-image: url("../../public/assets/envelope-closed.png");
  background-repeat: no-repeat;
  background-size: 200% 100%;
  box-shadow: 0 18px 30px rgba(70, 45, 20, 0.08);
  pointer-events: none;
  transform: translateX(0);
  will-change: transform, opacity, filter;
}

.envelope-half--left {
  left: 0;
  z-index: 5;
  background-position: left center;
  transform-origin: right center;
}

.envelope-half--right {
  right: 0;
  z-index: 6;
  background-position: right center;
  transform-origin: left center;
}

.intro-copy {
  display: grid;
  gap: 0.1rem;
  color: rgba(120, 88, 47, 0.82);
  font-family: var(--sans);
  letter-spacing: 0.08em;
  line-height: 1.15;
  opacity: 0.92;
  text-align: center;
  text-transform: none;
  transform: translateY(0);
  transition:
    opacity 520ms ease,
    transform 720ms cubic-bezier(0.22, 1, 0.36, 1);
}

.intro-copy p {
  margin: 0;
  font-size: clamp(1.06rem, 4.6vw, 1.42rem);
  font-style: italic;
  font-weight: 400;
}

.intro-copy span {
  color: rgba(130, 98, 58, 0.66);
  font-family: var(--sans);
  font-size: clamp(0.68rem, 2.6vw, 0.78rem);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.intro-screen.is-seal-pressed .envelope-stage {
  filter: brightness(1.025) saturate(1.01) drop-shadow(0 24px 34px rgba(62, 40, 20, 0.23));
  transform: translateY(0) scale(0.996);
}

.intro-screen.intro-opening .envelope-stage {
  animation: split-envelope-stage 1600ms cubic-bezier(0.22, 1, 0.36, 1) 0ms forwards;
}

.intro-screen.intro-opening .envelope-half--left {
  animation: split-envelope-left 1480ms cubic-bezier(0.22, 1, 0.36, 1) 0ms forwards;
}

.intro-screen.intro-opening .envelope-half--right {
  animation: split-envelope-right 1480ms cubic-bezier(0.22, 1, 0.36, 1) 0ms forwards;
}

.intro-screen.intro-opening .intro-copy {
  opacity: 0;
  transform: translateY(0.45rem);
}

.intro-active.site-reveal .site-content {
  max-height: none !important;
  opacity: 1 !important;
  filter: blur(0) !important;
  transform: translateY(0) scale(1) !important;
}

body.site-reveal .intro-screen {
  background:
    radial-gradient(ellipse at 50% 18%, rgba(246, 227, 195, 0.13), transparent 24rem),
    linear-gradient(150deg, rgba(248, 234, 210, 0.18), rgba(220, 187, 137, 0.14));
}

body.site-reveal .intro-screen::before {
  opacity: 0.24;
}

.site-content {
  position: relative;
  min-height: 100vh;
  padding-bottom: calc(5.35rem + env(safe-area-inset-bottom));
  opacity: 1;
  filter: blur(0);
  transform: translateY(0) scale(1);
  transition:
    opacity 1150ms cubic-bezier(0.22, 1, 0.36, 1),
    filter 1100ms ease,
    transform 1150ms cubic-bezier(0.22, 1, 0.36, 1);
}

.intro-active .site-content {
  max-height: 100vh;
  overflow: hidden;
  opacity: 0;
  filter: blur(6px);
  pointer-events: none;
  transform: translateY(1.1rem) scale(0.985);
}

.intro-active.site-reveal .site-content {
  max-height: none !important;
  opacity: 1 !important;
  filter: blur(0) !important;
  transform: translateY(0) scale(1) !important;
}

body.main-visible.main-content-visible .site-content {
  opacity: 1 !important;
  filter: blur(0) !important;
  transform: translateY(0) scale(1) !important;
  transition: none !important;
}

.letter-memory {
  position: absolute;
  z-index: 3;
  top: clamp(1.35rem, 4.5svh, 3rem);
  left: 50%;
  width: min(18rem, 68vw);
  opacity: 0.72;
  pointer-events: none;
  transform: translate(-50%, -1.4rem) scale(0.92);
  transition: opacity 1200ms ease, transform 1400ms cubic-bezier(0.18, 0.82, 0.2, 1);
}

.intro-active .letter-memory {
  opacity: 0;
}

.intro-opened .letter-memory {
  transform: translate(-50%, 0) scale(1);
}

.letter-memory img {
  width: 100%;
  filter: drop-shadow(0 18px 24px rgba(67, 43, 22, 0.14));
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.98) 0 62%, rgba(0, 0, 0, 0.36) 82%, transparent 100%);
}

.site-header,
.kina-header {
  position: fixed;
  z-index: 30;
  right: 0.65rem;
  left: 0.65rem;
  display: flex;
  align-items: center;
  gap: 0.42rem;
  justify-content: space-between;
  pointer-events: none;
}

.site-header {
  top: calc(0.85rem + env(safe-area-inset-top));
  right: 0.85rem;
  left: auto;
  justify-content: flex-end;
}

.kina-header {
  top: 0.85rem;
  justify-content: flex-start;
}

.brand-mark,
.primary-nav,
.menu-toggle,
.button,
.location-card,
.detail-card,
.gallery-card,
.menu-card,
.kina-moment-card,
.upload-card {
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.brand-mark {
  display: inline-grid;
  flex: 0 0 auto;
  min-width: 2.72rem;
  height: 2.72rem;
  place-items: center;
  border: 1px solid rgba(175, 130, 69, 0.34);
  border-radius: 999px;
  color: var(--bordeaux);
  background: rgba(255, 250, 241, 0.88);
  box-shadow: 0 10px 26px rgba(65, 41, 20, 0.12);
  font-family: var(--serif);
  font-size: 1.02rem;
  text-decoration: none;
  pointer-events: auto;
}

.primary-nav {
  position: absolute;
  z-index: 2;
  top: calc(100% + 0.72rem);
  right: 0;
  display: grid;
  visibility: hidden;
  flex: 0 1 auto;
  grid-template-columns: 1fr;
  gap: 0.16rem;
  width: min(18.5rem, calc(100vw - 1.7rem));
  min-width: 0;
  border: 1px solid rgba(175, 130, 69, 0.24);
  border-radius: 1.35rem;
  background:
    linear-gradient(180deg, rgba(255, 252, 246, 0.96), rgba(248, 235, 218, 0.9));
  box-shadow: 0 20px 46px rgba(65, 41, 20, 0.16);
  opacity: 0;
  padding: 0.58rem;
  pointer-events: none;
  transform: translateY(-0.4rem) scale(0.965);
  transform-origin: top right;
  transition:
    opacity 220ms ease,
    transform 260ms cubic-bezier(0.22, 1, 0.36, 1),
    visibility 220ms ease;
}

.site-header.is-open .primary-nav {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.primary-nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-width: 0;
  min-height: 2.7rem;
  border-radius: 1rem;
  color: var(--muted);
  padding: 0 0.9rem;
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.1;
  text-decoration: none;
  transition: color 180ms ease, background 180ms ease;
}

.primary-nav a::after {
  width: 0.34rem;
  height: 0.34rem;
  border-radius: 999px;
  background: rgba(175, 130, 69, 0.42);
  content: "";
}

.primary-nav a[aria-current] {
  color: var(--bordeaux);
  background: rgba(141, 31, 26, 0.065);
}

.menu-toggle {
  position: relative;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  gap: 0.34rem;
  width: 2.9rem;
  height: 2.9rem;
  border: 1px solid rgba(175, 130, 69, 0.34);
  border-radius: 999px;
  background:
    linear-gradient(180deg, rgba(255, 252, 246, 0.94), rgba(248, 236, 220, 0.84));
  box-shadow: 0 12px 28px rgba(65, 41, 20, 0.13);
  cursor: pointer;
  pointer-events: auto;
  -webkit-tap-highlight-color: transparent;
}

.menu-toggle span {
  display: block;
  width: 1.18rem;
  height: 1px;
  border-radius: 999px;
  background: var(--bordeaux);
  transition:
    opacity 180ms ease,
    transform 240ms cubic-bezier(0.22, 1, 0.36, 1);
}

.site-header.is-open .menu-toggle span:nth-child(1) {
  transform: translateY(0.35rem) rotate(45deg);
}

.site-header.is-open .menu-toggle span:nth-child(2) {
  opacity: 0;
}

.site-header.is-open .menu-toggle span:nth-child(3) {
  transform: translateY(-0.35rem) rotate(-45deg);
}

.menu-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1;
  background: rgba(55, 34, 20, 0.16);
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease;
}

.site-header.is-open .menu-backdrop {
  opacity: 1;
  pointer-events: auto;
}

.section {
  position: relative;
  width: min(100%, 70rem);
  margin: 0 auto;
  padding: 4.6rem 1.05rem;
}

.section::before {
  top: 0;
  left: 50%;
  width: min(8rem, 46vw);
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(175, 130, 69, 0.45), transparent);
  transform: translateX(-50%);
}

.hero,
.kina-hero {
  display: grid;
  width: 100%;
  min-height: 100svh;
  place-items: center;
  padding: 7.5rem 1.05rem calc(7rem + env(safe-area-inset-bottom));
  overflow: hidden;
}

.hero::before,
.kina-hero::before {
  display: none;
}

.hero__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
}

.hero__veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent 0%,
    transparent 76%,
    rgba(248, 239, 226, 0.08) 88%,
    rgba(248, 239, 226, 0.58) 100%
  );
}

.hero__content {
  position: absolute;
  z-index: 4;
  top: 39.5%;
  left: 50%;
  width: min(calc(100% - 2.1rem), 24rem);
  margin: 0;
  color: #fff9ef;
  text-align: center;
  text-shadow: 0 2px 18px rgba(31, 20, 13, 0.32);
  transform: translateX(-50%);
}

.hero .hero__content {
  width: min(calc(100% - 2.1rem), 24rem);
  margin: 0;
}

.hero .hero__content::before {
  display: none;
}

.hero__content::before,
.upload-card::before {
  display: block;
  width: 4.8rem;
  height: 1px;
  margin: 0 auto 1.1rem;
  background: linear-gradient(90deg, transparent, rgba(243, 212, 154, 0.95), transparent);
  content: "";
}

.hero__title-group {
  display: grid;
  gap: 0.08rem;
}

.hero h1 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 500;
  line-height: 0.96;
}

.hero h1 {
  font-size: clamp(4.35rem, 21vw, 7.4rem);
}

.ampersand {
  display: block;
  color: #f0d4a1;
  font-size: 0.56em;
  font-style: italic;
}

.hero__date {
  margin: 1.35rem 0 0;
  color: #f3d7a1;
  font-size: 0.88rem;
  font-weight: 500;
  text-transform: uppercase;
}

.hero__copy {
  width: min(100%, 29rem);
  margin: 1rem auto 0;
  font-size: 1rem;
}

.hero .hero__date {
  margin-top: clamp(1rem, 2.9svh, 1.55rem);
}

.hero .hero__copy {
  margin-top: clamp(0.78rem, 2.1svh, 1rem);
}

.section-heading {
  width: min(100%, 37rem);
  margin: 0 auto 1.85rem;
  text-align: center;
}

.section-heading--left {
  margin-right: 0;
  margin-left: 0;
  text-align: left;
}

.section-title,
.kina-page .section-heading h2,
.kina-hero h1,
.kina-invitation-card h2 {
  margin: 0;
  color: var(--ink);
  font-family: var(--section-title-font);
  font-size: var(--section-title-size);
  font-weight: var(--section-title-weight);
  hyphens: none;
  letter-spacing: 0.01em;
  line-height: var(--section-title-line-height);
  overflow-wrap: normal;
  text-wrap: balance;
  word-break: normal;
}

.section-heading p:not(.eyebrow),
.upload-card p {
  margin: 0.9rem auto 0;
  color: var(--muted);
}

.countdown {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(0.28rem, 1.45vw, 0.72rem);
  width: min(100%, 39rem);
  margin: 0 auto;
}

.countdown__item,
.location-card,
.detail-card,
.menu-card,
.upload-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 250, 241, 0.9), rgba(250, 239, 224, 0.78));
  box-shadow: var(--soft-shadow);
}

.countdown__item {
  display: flex;
  min-width: 0;
  min-height: 5.15rem;
  flex-direction: column;
  justify-content: center;
  padding: clamp(0.66rem, 2vw, 0.95rem) clamp(0.2rem, 1.2vw, 0.7rem);
  text-align: center;
}

.countdown__number {
  display: block;
  color: var(--bordeaux);
  font-family: var(--sans);
  font-weight: 500;
  font-size: clamp(1.55rem, 8.2vw, 3.4rem);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0;
  line-height: 0.86;
}

.countdown__label {
  display: block;
  margin-top: 0.36rem;
  color: var(--muted);
  font-size: clamp(0.5rem, 1.75vw, 0.72rem);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.hero__countdown {
  gap: clamp(0.1rem, 1vw, 0.3rem);
  width: 100%;
  margin: 0;
}

.hero__countdown .countdown__item {
  position: relative;
  min-height: 0;
  border: 0;
  border-radius: 0;
  padding: 0 clamp(0.1rem, 0.8vw, 0.25rem);
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.hero__countdown .countdown__item:not(:first-child)::before {
  position: absolute;
  top: 0.08rem;
  left: calc(-0.05rem - 0.5vw);
  color: rgba(255, 241, 216, 0.72);
  content: "·";
  font-family: var(--serif);
  font-size: 1rem;
  line-height: 1;
}

.hero__countdown .countdown__number {
  color: #fff8e9;
  font-size: clamp(1.08rem, 4.7vw, 1.42rem);
  line-height: 1;
  text-shadow: 0 1px 9px rgba(42, 26, 15, 0.42);
}

.hero__countdown .countdown__label {
  margin-top: 0.3rem;
  color: rgba(255, 246, 229, 0.9);
  font-size: clamp(0.46rem, 1.55vw, 0.58rem);
  letter-spacing: 0.1em;
  text-shadow: 0 1px 7px rgba(42, 26, 15, 0.38);
}

.timeline {
  position: relative;
  display: grid;
  gap: 0.92rem;
  width: min(100%, 40rem);
  margin: 0 auto;
}

.timeline::before {
  position: absolute;
  top: 1rem;
  bottom: 1rem;
  left: 1.48rem;
  width: 1px;
  background: linear-gradient(rgba(175, 130, 69, 0.64), rgba(175, 130, 69, 0.08));
  content: "";
}

.timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 0.82rem;
}

.timeline__marker {
  z-index: 1;
  display: grid;
  width: 2.95rem;
  height: 2.95rem;
  place-items: center;
  border: 1px solid rgba(175, 130, 69, 0.34);
  border-radius: 999px;
  color: var(--bordeaux);
  background: linear-gradient(145deg, #fffaf2, #f2dfc5);
  box-shadow: 0 0 0 0.36rem rgba(251, 245, 234, 0.92), var(--soft-shadow);
}

.timeline__marker svg,
.menu-card__icon svg {
  width: 1.18rem;
  height: 1.18rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.55;
}

.timeline__marker svg {
  width: 1.6rem;
  height: 1.6rem;
}

.timeline__content {
  border: 1px solid rgba(175, 130, 69, 0.2);
  border-radius: var(--radius);
  background: rgba(255, 250, 241, 0.78);
  box-shadow: var(--soft-shadow);
  font-family: var(--sans);
  padding: 1rem;
}

.timeline__content time {
  color: var(--gold);
  font-size: 0.78rem;
  font-family: var(--sans);
  font-weight: 500;
}

.timeline__content h3,
.detail-card h3,
.gallery-card h3,
.menu-card h3,
.location-card h3 {
  margin: 0.16rem 0 0.36rem;
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 500;
  line-height: 1.12;
}

.timeline__content h3 {
  font-family: var(--sans);
  font-size: clamp(1.125rem, 4.7vw, 1.25rem);
  font-weight: 500;
  line-height: 1.22;
}

.timeline__content p,
.detail-card p,
.gallery-card p,
.location-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.timeline__content .timeline__description {
  margin-top: 0.48rem;
  color: rgba(118, 104, 92, 0.9);
  font-size: clamp(0.8rem, 3.1vw, 0.88rem);
  font-family: var(--sans);
  font-weight: 400;
  line-height: 1.55;
}

.menu-grid {
  display: grid;
  width: min(100%, 36rem);
  margin: 0 auto;
  text-align: center;
}

.menu-course {
  position: relative;
  padding: clamp(0.6rem, 2vw, 1rem) 0 clamp(2rem, 6vw, 3rem);
}

.menu-course + .menu-course {
  padding-top: clamp(2.3rem, 7vw, 3.4rem);
}

.menu-course + .menu-course::before,
.menu-closing::before {
  position: absolute;
  top: 0;
  left: 50%;
  width: min(15rem, 68%);
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(175, 130, 69, 0.5), transparent);
  content: "";
  transform: translateX(-50%);
}

.menu-course + .menu-course::after,
.menu-closing::after {
  position: absolute;
  top: -0.16rem;
  left: 50%;
  width: 0.34rem;
  height: 0.34rem;
  border-radius: 50%;
  background: var(--gold-soft);
  box-shadow: 0 0 0 0.3rem var(--ivory);
  content: "";
  transform: translateX(-50%);
}

.menu-course__title {
  margin: 0 0 clamp(1.45rem, 5vw, 2rem);
  color: #98703a;
  font-family: var(--sans);
  font-size: clamp(0.66rem, 2.5vw, 0.76rem);
  font-weight: 500;
  letter-spacing: 0.15em;
  line-height: 1.45;
  text-transform: uppercase;
}

.menu-course__dishes {
  display: grid;
  gap: clamp(1.5rem, 5vw, 2.15rem);
}

.menu-dish h4 {
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.22rem, 5.2vw, 1.5rem);
  font-weight: 500;
  line-height: 1.15;
}

.menu-dish p {
  margin: 0.48rem auto 0;
}

.menu-dish p span {
  display: block;
}

.menu-dish__turkish {
  color: rgba(50, 39, 32, 0.86);
  font-size: clamp(0.84rem, 3.3vw, 0.94rem);
  line-height: 1.55;
}

.menu-dish__german {
  color: var(--muted);
  font-family: var(--sans);
  font-size: clamp(0.8rem, 3.1vw, 0.9rem);
  font-style: italic;
  line-height: 1.5;
}

.menu-closing {
  position: relative;
  margin: 0.45rem auto 0;
  padding-top: clamp(2.25rem, 7vw, 3.25rem);
  color: #8e6836;
  font-family: var(--sans);
  font-size: clamp(0.96rem, 3.7vw, 1.12rem);
  font-style: italic;
  letter-spacing: 0.025em;
}

.location-card {
  display: grid;
  gap: 1rem;
  padding: 1rem;
  box-shadow: var(--shadow);
}

.location-card--compact {
  width: min(100%, 38rem);
  margin: 0 auto;
}

.location-card__address {
  margin: 0 0 1.1rem;
  color: var(--ink);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.75rem 1.18rem;
  font-size: 0.86rem;
  font-family: var(--sans);
  font-weight: 500;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button--primary {
  color: #fffaf2;
  background: linear-gradient(135deg, var(--bordeaux), #6f1714);
  box-shadow: 0 12px 24px rgba(141, 31, 26, 0.2);
}

.button--ghost {
  border-color: rgba(175, 130, 69, 0.34);
  color: var(--ink);
  background: rgba(255, 250, 241, 0.86);
  pointer-events: auto;
}

.kina-back-link {
  display: inline-flex;
  align-items: center;
  min-height: 2.65rem;
  border: 1px solid rgba(236, 197, 137, 0.42);
  border-radius: 999px;
  color: #fff8ed;
  background:
    linear-gradient(135deg, rgba(112, 27, 31, 0.72), rgba(165, 84, 78, 0.58));
  box-shadow: 0 14px 30px rgba(75, 25, 24, 0.18);
  padding: 0.68rem 1.05rem;
  font-size: 0.82rem;
  font-family: var(--sans);
  font-weight: 500;
  text-decoration: none;
  pointer-events: auto;
}

.kina-back-link::before {
  margin-right: 0.42rem;
  content: "‹";
  font-family: var(--serif);
  font-size: 1.35rem;
  line-height: 0;
}

.button:hover {
  transform: translateY(-1px);
}

.map-frame {
  min-height: 16rem;
  overflow: hidden;
  border: 1px solid rgba(175, 130, 69, 0.2);
  border-radius: var(--radius);
  background: #ead8c0;
}

.map-frame iframe {
  width: 100%;
  height: 100%;
  min-height: 16rem;
  border: 0;
}

.hotel-collage {
  --hotel-stagger: clamp(1.5rem, 7vw, 3.75rem);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1rem, 4vw, 2.2rem) clamp(0.7rem, 3vw, 1.65rem);
  width: min(100%, 52rem);
  margin: clamp(1.4rem, 4vw, 2.5rem) auto 0;
  padding-bottom: var(--hotel-stagger);
  align-items: start;
}

.hotel-collage__image {
  display: block;
  width: 100%;
  min-width: 0;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: center;
}

.hotel-collage__image:nth-child(even) {
  transform: translateY(var(--hotel-stagger));
}

.hotel-collage__image:nth-child(3) {
  aspect-ratio: 4 / 5;
}

.details-grid {
  display: grid;
  gap: 0.8rem;
}

.detail-card {
  padding: 1rem;
}

.gallery-track {
  display: grid;
  grid-auto-columns: minmax(16.4rem, 82%);
  grid-auto-flow: column;
  gap: 0.85rem;
  margin: 0;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  padding: 0.25rem 0 1.05rem;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}

.gallery-track::-webkit-scrollbar {
  display: none;
}

.gallery-card {
  overflow: hidden;
  border: 1px solid rgba(175, 130, 69, 0.22);
  border-radius: var(--radius);
  background: rgba(255, 250, 241, 0.78);
  box-shadow: var(--soft-shadow);
  scroll-snap-align: center;
}

.gallery-card img {
  width: 100%;
  height: 14.5rem;
  object-fit: cover;
}

.gallery-card div {
  padding: 1rem;
}

.upload-card {
  width: min(100%, 39rem);
  margin: 0 auto;
  padding: 1.35rem 1.05rem;
  text-align: center;
  box-shadow: var(--shadow);
}

.upload-card .button {
  margin-top: 1.15rem;
}

.upload-note {
  border-radius: var(--radius);
  background: rgba(175, 130, 69, 0.1);
  padding: 0.75rem;
  font-size: 0.9rem;
}

.site-footer {
  padding: 3.4rem 1.05rem 7rem;
  color: var(--muted);
  text-align: center;
}

.footer-names {
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 2.25rem;
  line-height: 1;
}

.site-footer p {
  margin: 0.45rem 0 0;
}

.kina-page {
  min-height: 100vh;
}

.kina-intro-section {
  padding-top: 5rem;
}

.kina-invitation-card {
  position: relative;
  width: min(100%, 40rem);
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid rgba(175, 130, 69, 0.28);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(255, 250, 244, 0.96), rgba(248, 225, 216, 0.82));
  box-shadow: var(--shadow);
  padding: 1.4rem 1.05rem;
  text-align: center;
}

.kina-invitation-card::before,
.kina-invitation-card::after {
  position: absolute;
  width: 7rem;
  height: 7rem;
  border: 1px solid rgba(175, 130, 69, 0.18);
  border-radius: 999px;
  content: "";
}

.kina-invitation-card::before {
  top: -4.8rem;
  left: -4.8rem;
}

.kina-invitation-card::after {
  right: -4.8rem;
  bottom: -4.8rem;
}

.kina-invitation-card h2 {
  position: relative;
  margin: 0;
  color: var(--bordeaux);
  font-family: var(--section-title-font);
  font-size: var(--section-title-size);
  font-weight: var(--section-title-weight);
  line-height: var(--section-title-line-height);
}

.kina-invitation-card > p:not(.eyebrow) {
  position: relative;
  width: min(100%, 30rem);
  margin: 0.95rem auto 0;
  color: var(--muted);
}

.kina-details {
  position: relative;
  display: grid;
  gap: 0;
  margin-top: 1.4rem;
  border-top: 1px solid rgba(175, 130, 69, 0.2);
}

.kina-detail {
  display: grid;
  gap: 0.15rem;
  padding: 0.82rem 0;
  border-bottom: 1px solid rgba(175, 130, 69, 0.16);
}

.kina-detail span {
  color: var(--gold);
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
}

.kina-detail strong {
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.28rem;
  font-weight: 500;
  line-height: 1.15;
}

.kina-detail small {
  color: var(--muted);
  font-size: 0.86rem;
}

.kina-hero .hero__veil {
  background:
    linear-gradient(180deg, rgba(255, 244, 235, 0.5) 0%, rgba(159, 69, 67, 0.28) 48%, rgba(77, 24, 25, 0.74) 100%),
    radial-gradient(circle at 50% 54%, rgba(255, 215, 196, 0.42), transparent 25rem);
}

.kina-hero .hero__image {
  object-position: center center;
}

.kina-hero__kicker {
  display: grid;
  gap: clamp(0.32rem, 1.5vw, 0.5rem);
  justify-items: center;
  margin: 0 0 clamp(0.22rem, 1.6vw, 0.45rem);
  color: #f3d7a1;
  text-align: center;
  text-shadow: 0 2px 14px rgba(31, 20, 13, 0.34);
  text-transform: uppercase;
  transform: translateY(clamp(-1.85rem, -5.6vw, -1.25rem));
}

.kina-hero__kicker p,
.kina-hero__kicker span {
  margin: 0;
  font-weight: 500;
  line-height: 1;
}

.kina-hero__kicker p {
  font-size: clamp(0.82rem, 3.5vw, 0.93rem);
  letter-spacing: 0.12em;
}

.kina-hero__kicker span {
  color: rgba(243, 215, 161, 0.9);
  font-size: clamp(0.72rem, 3vw, 0.82rem);
  letter-spacing: 0.14em;
}

.kina-moments-section {
  padding-top: 4.4rem;
}

.kina-moments-grid {
  display: grid;
  gap: 0.95rem;
  width: min(100%, 48rem);
  margin: 0 auto;
}

.kina-moment-card {
  overflow: hidden;
  border: 1px solid rgba(175, 130, 69, 0.22);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 250, 244, 0.92), rgba(249, 228, 220, 0.78));
  box-shadow: var(--soft-shadow);
}

.kina-moment-card img {
  width: 100%;
  height: clamp(14rem, 62vw, 21rem);
  object-fit: cover;
}

.kina-moment-card div {
  padding: 1rem;
}

.kina-moment-card h3 {
  margin: 0 0 0.36rem;
  color: var(--bordeaux);
  font-family: var(--serif);
  font-size: 1.55rem;
  font-weight: 500;
  line-height: 1.08;
}

.kina-moment-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.timeline--warm .timeline__marker {
  color: #a23834;
  background: linear-gradient(145deg, #fff8f1, #f0d1c8);
}

.reveal {
  opacity: 0;
  transform: translateY(1.15rem);
  transition: opacity 720ms ease, transform 760ms ease;
}

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

@keyframes seal-breathe {
  0%,
  100% {
    opacity: 0.55;
    transform: translate(-50%, -50%) scale(0.98);
  }
  50% {
    opacity: 0.82;
    transform: translate(-50%, -50%) scale(1.04);
  }
}

@keyframes seal-shine {
  0%,
  58% {
    opacity: 0;
    transform: translateX(-0.8rem);
  }
  68% {
    opacity: 0.75;
  }
  84%,
  100% {
    opacity: 0;
    transform: translateX(0.8rem);
  }
}

@keyframes intro-envelope-lift {
  0% {
    transform: translateY(0) scale(1);
  }
  46% {
    transform: translateY(-0.65rem) scale(1.025);
  }
  100% {
    transform: translateY(-1.45rem) scale(1.055);
  }
}

@keyframes intro-phone-lift {
  0% {
    transform: rotateX(0deg) translateY(0) scale(1);
  }
  54% {
    transform: rotateX(2.5deg) translateY(-0.25rem) scale(1.006);
  }
  100% {
    transform: rotateX(0deg) translateY(-0.35rem) scale(1.012);
  }
}

@keyframes intro-card-release {
  0% {
    filter: brightness(1);
    transform: translateY(0) scale(1);
  }
  58% {
    filter: brightness(1.02);
    transform: translateY(-1.05rem) scale(1.035);
  }
  100% {
    filter: brightness(1.035);
    transform: translateY(-1.55rem) scale(1.06);
  }
}

@keyframes intro-photo-awaken {
  0% {
    filter: grayscale(1) sepia(0.17) contrast(0.92) brightness(1.02);
    transform: scale(1.02);
  }
  100% {
    filter: grayscale(0.55) sepia(0.2) contrast(0.94) brightness(1.06);
    transform: scale(1.09);
  }
}

@keyframes envelope-stage-rise {
  0% {
    filter: drop-shadow(0 30px 40px rgba(61, 41, 22, 0.24));
    transform: translateY(0) scale(1);
  }
  55% {
    filter: drop-shadow(0 36px 48px rgba(61, 41, 22, 0.22));
    transform: translateY(-0.55rem) scale(1.015);
  }
  100% {
    filter: drop-shadow(0 42px 58px rgba(61, 41, 22, 0.18));
    transform: translateY(-1.15rem) scale(1.045);
  }
}

@keyframes envelope-right-open {
  0% {
    box-shadow:
      inset 0 1px rgba(255, 255, 255, 0.76),
      -10px 0 18px rgba(87, 57, 26, 0.08);
    transform: rotateY(0deg) translateX(0);
  }
  58% {
    box-shadow:
      inset 0 1px rgba(255, 255, 255, 0.78),
      -20px 0 30px rgba(70, 45, 21, 0.14);
    transform: rotateY(-72deg) translateX(3%);
  }
  100% {
    box-shadow:
      inset 0 1px rgba(255, 255, 255, 0.74),
      -28px 0 38px rgba(70, 45, 21, 0.12);
    opacity: 0.92;
    transform: rotateY(-118deg) translateX(7%);
  }
}

@keyframes envelope-left-open {
  0% {
    box-shadow:
      inset 0 1px rgba(255, 255, 255, 0.72),
      10px 0 18px rgba(87, 57, 26, 0.06);
    transform: rotateY(0deg) translateX(0);
  }
  58% {
    box-shadow:
      inset 0 1px rgba(255, 255, 255, 0.74),
      20px 0 30px rgba(70, 45, 21, 0.12);
    transform: rotateY(72deg) translateX(-3%);
  }
  100% {
    box-shadow:
      inset 0 1px rgba(255, 255, 255, 0.72),
      28px 0 38px rgba(70, 45, 21, 0.1);
    opacity: 0.92;
    transform: rotateY(118deg) translateX(-7%);
  }
}

@keyframes envelope-bottom-settle {
  0% {
    transform: translateY(0) rotateX(0deg);
  }
  100% {
    opacity: 0.92;
    transform: translateY(5%) rotateX(12deg);
  }
}

@keyframes envelope-card-emerge {
  0% {
    opacity: 0.98;
    filter: blur(0.4px);
    transform: translateY(4%) scale(0.965);
  }
  55% {
    opacity: 1;
    filter: blur(0);
    transform: translateY(-2.5%) scale(1.025);
  }
  100% {
    opacity: 1;
    filter: blur(0);
    transform: translateY(-6%) scale(1.07);
  }
}

@keyframes wax-seal-release {
  0% {
    opacity: 1;
    filter: brightness(1.08);
    transform: translate(-50%, -50%) rotate(-2deg) scale(0.98);
  }
  45% {
    opacity: 0.9;
    filter: brightness(1.06);
    transform: translate(-50%, -50%) rotate(-2deg) scale(0.95);
  }
  100% {
    opacity: 0;
    filter: brightness(1);
    transform: translate(-50%, -45%) rotate(-2deg) scale(0.82);
  }
}

@keyframes reference-envelope-rise {
  0% {
    filter: drop-shadow(0 24px 30px rgba(62, 40, 20, 0.25));
    transform: translateY(0) scale(1);
  }
  55% {
    filter: drop-shadow(0 34px 46px rgba(62, 40, 20, 0.18));
    transform: translateY(-0.18rem) scale(1.012);
  }
  100% {
    filter: drop-shadow(0 34px 48px rgba(62, 40, 20, 0.12));
    transform: translateY(-0.35rem) scale(1.024);
  }
}

@keyframes envelope-image-recede {
  0% {
    opacity: 1;
    filter: brightness(1.02) saturate(1.02);
    transform: translateZ(0) scale(0.995);
  }
  40% {
    opacity: 0.74;
    filter: brightness(1.06) saturate(1.02);
    transform: translateZ(0) scale(1.006);
  }
  100% {
    opacity: 0.18;
    filter: brightness(1.08) blur(0.3px);
    transform: translateZ(0) scale(1.018);
  }
}

@keyframes envelope-right-door-open {
  0% {
    opacity: 1;
    box-shadow:
      inset 0 1px rgba(255, 255, 255, 0.58),
      -14px 0 24px rgba(57, 35, 12, 0.13);
    transform: perspective(1200px) rotateY(0deg) translateX(0);
  }
  46% {
    opacity: 1;
    box-shadow:
      inset 0 1px rgba(255, 255, 255, 0.64),
      -34px 0 44px rgba(57, 35, 12, 0.24);
    transform: perspective(1200px) rotateY(-52deg) translateX(7px) scale(1.006);
  }
  100% {
    opacity: 0.96;
    box-shadow:
      inset 0 1px rgba(255, 255, 255, 0.58),
      -42px 0 52px rgba(57, 35, 12, 0.18);
    transform: perspective(1200px) rotateY(-82deg) translateX(12px) scale(1.01);
  }
}

@keyframes envelope-left-door-open {
  0% {
    opacity: 1;
    box-shadow:
      inset 0 1px rgba(255, 255, 255, 0.55),
      12px 0 24px rgba(57, 35, 12, 0.1);
    transform: perspective(1200px) rotateY(0deg) translateX(0);
  }
  46% {
    opacity: 1;
    box-shadow:
      inset 0 1px rgba(255, 255, 255, 0.62),
      34px 0 44px rgba(57, 35, 12, 0.22);
    transform: perspective(1200px) rotateY(52deg) translateX(-7px) scale(1.006);
  }
  100% {
    opacity: 0.96;
    box-shadow:
      inset 0 1px rgba(255, 255, 255, 0.56),
      42px 0 52px rgba(57, 35, 12, 0.16);
    transform: perspective(1200px) rotateY(82deg) translateX(-12px) scale(1.01);
  }
}

@keyframes reference-seal-release {
  0% {
    opacity: 1;
    filter: brightness(1.12) saturate(1.05);
    transform: translate(-50%, -50%) rotate(-2deg) scale(0.96);
  }
  40% {
    opacity: 0.76;
    filter: brightness(1.08);
    transform: translate(-50%, -50%) rotate(-2deg) scale(0.9);
  }
  100% {
    opacity: 0;
    filter: brightness(1);
    transform: translate(-50%, -48%) rotate(-2deg) scale(0.72);
  }
}

@keyframes split-envelope-stage {
  0% {
    filter: drop-shadow(0 24px 34px rgba(62, 40, 20, 0.24));
    transform: translateY(0) scale(1);
  }
  52% {
    filter: drop-shadow(0 28px 40px rgba(62, 40, 20, 0.22));
    transform: translateY(-0.18rem) scale(1.01);
  }
  100% {
    filter: drop-shadow(0 32px 46px rgba(62, 40, 20, 0.16));
    transform: translateY(-0.34rem) scale(1.018);
  }
}

@keyframes split-envelope-left {
  0% {
    opacity: 1;
    filter: brightness(1);
    transform: translateX(0);
  }
  42% {
    opacity: 1;
    filter: brightness(1.01);
    transform: translateX(-44%);
  }
  100% {
    opacity: 0.94;
    filter: brightness(1.02);
    transform: translateX(-105%);
  }
}

@keyframes split-envelope-right {
  0% {
    opacity: 1;
    filter: brightness(1);
    transform: translateX(0);
  }
  38% {
    opacity: 1;
    filter: brightness(1.012);
    transform: translateX(48%);
  }
  100% {
    opacity: 0.94;
    filter: brightness(1.02);
    transform: translateX(105%);
  }
}

@media (max-width: 370px) {
  .site-header {
    right: 0.62rem;
  }

  .primary-nav a {
    min-height: 2.54rem;
    font-size: 0.94rem;
  }

  .countdown {
    gap: 0.24rem;
  }

  .countdown__item {
    min-height: 4.8rem;
    padding-right: 0.14rem;
    padding-left: 0.14rem;
  }

  .section {
    padding-right: 0.9rem;
    padding-left: 0.9rem;
  }
}

@media (min-width: 520px) {
  .details-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 768px) {
  .site-content {
    padding-bottom: 0;
  }

  .site-header {
    top: calc(1rem + env(safe-area-inset-top));
    right: 1rem;
    bottom: auto;
    left: auto;
    width: auto;
    margin: 0;
  }

  .primary-nav {
    width: min(19rem, calc(100vw - 2rem));
    grid-template-columns: 1fr;
    padding: 0.6rem;
  }

  .primary-nav a {
    min-height: 2.72rem;
    padding: 0 0.95rem;
    font-size: 1rem;
  }

  .section {
    padding: 5.8rem 2rem;
  }

  .letter-memory {
    top: 4.7rem;
    width: min(19rem, 30vw);
  }

  .hero,
  .kina-hero {
    padding: 9.2rem 2rem 10vh;
  }

  .hero__content {
    margin-top: 6rem;
  }

  .hero h1 {
    font-size: clamp(5.8rem, 12vw, 8.8rem);
  }

  .location-card {
    grid-template-columns: 0.82fr 1.18fr;
    align-items: stretch;
    padding: 1.25rem;
  }

  .location-card--compact {
    display: block;
  }

  .kina-invitation-card {
    padding: 2rem;
  }

  .kina-details {
    grid-template-columns: repeat(3, 1fr);
  }

  .kina-detail {
    min-height: 6rem;
    align-content: center;
    border-bottom: 0;
  }

  .kina-detail + .kina-detail {
    border-left: 1px solid rgba(175, 130, 69, 0.16);
  }

  .kina-moments-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .gallery-track {
    grid-template-columns: repeat(3, 1fr);
    grid-auto-flow: row;
    margin: 0;
    overflow: visible;
    padding: 0;
  }

  .site-footer {
    padding-bottom: 4rem;
  }
}

@media (min-width: 980px) {
  .details-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}