:root {
  --ivory: #f4f1ea;
  --ink: #101820;
  --ink-soft: #3a4450;
  --red: #bf0a30;
  --red-deep: #8e0824;
  --navy: #002868;
  --navy-deep: #00163d;
  --star: #f6f7fb;
  --gold: #d4c48a;
  --display: "Oswald", "Impact", sans-serif;
  --body: "Source Serif 4", Georgia, serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--body);
  color: var(--ivory);
  background: radial-gradient(ellipse at 50% 0%, #0a3578 0%, var(--navy) 42%, var(--navy-deep) 100%);
  overflow-x: hidden;
}

.grain,
.sky,
.flag-bar {
  position: fixed;
  pointer-events: none;
}

.sky {
  inset: 0;
  z-index: 0;
}

.flag-bar {
  top: 0;
  left: 0;
  right: 0;
  height: 8px;
  z-index: 4;
  background: repeating-linear-gradient(
    90deg,
    var(--red) 0 28px,
    var(--ivory) 28px 40px,
    var(--navy) 40px 68px
  );
}

.grain {
  inset: 0;
  z-index: 8;
  opacity: 0.08;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

.star {
  position: absolute;
  width: 7px;
  height: 7px;
  background: var(--star);
  clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
  opacity: 0.7;
  animation: twinkle 3.6s ease-in-out infinite;
}

@keyframes twinkle {
  0%,
  100% {
    opacity: 0.25;
    transform: scale(0.85);
  }
  50% {
    opacity: 1;
    transform: scale(1.15);
  }
}

main {
  position: relative;
  z-index: 1;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 2.75rem 1.25rem 3rem;
}

.scene {
  width: min(100%, 40rem);
  text-align: center;
}

.scene-yes {
  width: min(100%, 28rem);
}

.scene[hidden] {
  display: none;
}

.scene-seal.is-active .seal {
  animation: seal-enter 0.9s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.eyebrow,
.letter-kicker,
.cert-kicker,
.cert-date,
.countdown,
.kicker,
.seal-caption {
  font-family: var(--display);
  font-size: 0.78rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  margin: 0;
}

.eyebrow,
.countdown,
.seal-caption {
  color: var(--gold);
}

.kicker {
  color: var(--ivory);
  margin: 0.85rem 0 0.15rem;
  font-size: 1rem;
  letter-spacing: 0.42em;
}

.letter-kicker,
.cert-kicker,
.cert-date {
  color: var(--red);
}

.for-line {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(3.2rem, 10vw, 5.4rem);
  line-height: 0.9;
  margin: 0;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.from-line {
  font-family: var(--display);
  font-size: 1rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(244, 241, 234, 0.78);
  margin: 0.55rem 0 2rem;
}

.seal {
  position: relative;
  width: 9.75rem;
  height: 9.75rem;
  border: 0;
  padding: 0;
  background: transparent;
  cursor: pointer;
  border-radius: 50%;
}

.seal:focus-visible {
  outline: 2px solid var(--ivory);
  outline-offset: 10px;
}

.seal-ring,
.seal-face {
  position: absolute;
  inset: 0;
  border-radius: 50%;
}

.seal-ring {
  background: var(--navy);
  box-shadow:
    0 0 0 3px var(--ivory),
    0 16px 32px rgba(0, 0, 0, 0.35);
}

.seal-face {
  inset: 0.7rem;
  background:
    radial-gradient(circle at 32% 28%, #e11d3a 0%, var(--red) 42%, var(--red-deep) 100%);
  display: grid;
  place-items: center;
  align-content: center;
  gap: 0.1rem;
  box-shadow:
    inset 0 8px 16px rgba(255, 255, 255, 0.16),
    inset 0 -12px 18px rgba(0, 0, 0, 0.28),
    0 0 0 4px var(--navy);
}

.seal-date {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.85rem;
  letter-spacing: 0.12em;
  color: var(--ivory);
  position: relative;
  line-height: 1;
}

.seal-monogram {
  font-family: var(--display);
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  color: rgba(244, 241, 234, 0.88);
  position: relative;
}

.seal:hover .seal-face,
.seal:focus-visible .seal-face {
  transform: scale(1.03);
}

.countdown {
  margin-top: 1.35rem;
  letter-spacing: 0.22em;
}

.seal-caption {
  margin: 1.1rem 0 0;
}

@keyframes seal-enter {
  from {
    opacity: 0;
    transform: translateY(18px) scale(0.92);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.letter,
.certificate {
  background: var(--ivory);
  color: var(--ink);
  text-align: left;
  padding: 2.2rem 2rem 1.9rem;
  position: relative;
  animation: letter-rise 0.85s cubic-bezier(0.16, 1, 0.3, 1) both;
  box-shadow: 0 28px 64px rgba(0, 16, 48, 0.45);
}

.letter {
  border-top: 8px solid var(--red);
  border-bottom: 8px solid var(--navy);
}

.letter::before {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(0, 40, 104, 0.14);
  pointer-events: none;
}

.letter-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stamp {
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.16em;
  color: var(--ivory);
  background: var(--navy);
  padding: 0.38rem 0.55rem 0.28rem;
}

.salutation {
  font-family: var(--display);
  font-size: 1.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0 0 0.9rem;
}

.body-copy p {
  font-size: 1.02rem;
  line-height: 1.65;
  color: var(--ink-soft);
  margin: 0 0 0.9rem;
}

.body-copy em {
  font-family: var(--display);
  font-style: normal;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--red);
  text-transform: uppercase;
}

.the-ask {
  font-family: var(--display);
  font-weight: 500;
  font-size: 1.15rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-align: center;
  margin: 1.5rem 0 1.2rem;
  line-height: 1.15;
}

.script {
  display: block;
  font-size: clamp(2.6rem, 8vw, 3.8rem);
  font-weight: 700;
  color: var(--red);
  letter-spacing: 0.06em;
  line-height: 0.95;
  margin: 0.15rem 0 0.1rem;
}

.actions {
  position: relative;
  min-height: 4.6rem;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 0.3rem 0 1.5rem;
}

.btn {
  font-family: var(--display);
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn-yes {
  background: var(--red);
  color: var(--ivory);
  border: 0;
  padding: 0.95rem 1.7rem 0.85rem;
  box-shadow: 0 10px 22px rgba(142, 8, 36, 0.28);
}

.btn-yes:hover,
.btn-yes:focus-visible {
  transform: translateY(-2px);
  background: var(--red-deep);
}

.btn-no {
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--navy);
  padding: 0.82rem 1.2rem 0.72rem;
  position: relative;
}

.btn-no.is-dodging {
  position: absolute;
  z-index: 2;
}

.signoff {
  font-family: var(--display);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 0;
  text-align: right;
  color: var(--ink-soft);
}

.script-sign {
  font-size: 1.35rem;
  letter-spacing: 0.16em;
  color: var(--navy);
  display: inline-block;
  margin-top: 0.2rem;
}

@keyframes letter-rise {
  from {
    opacity: 0.35;
    transform: translateY(18px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.certificate {
  text-align: center;
  border: 3px solid var(--navy);
  overflow: hidden;
  box-shadow:
    0 0 0 8px var(--ivory),
    0 0 0 11px var(--red),
    0 28px 64px rgba(0, 16, 48, 0.45);
}

.kirk-portrait {
  margin: -2.2rem -2rem 1.25rem;
  position: relative;
}

.kirk-portrait img {
  display: block;
  width: 100%;
  height: 22rem;
  object-fit: cover;
  object-position: 50% 12%;
  filter: contrast(1.06) saturate(0.92);
}

.kirk-portrait figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 2.4rem 0.9rem 0.7rem;
  background: linear-gradient(transparent, rgba(16, 24, 32, 0.88));
  color: var(--ivory);
  font-family: var(--display);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.photo-credit {
  font-family: var(--display);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(58, 68, 80, 0.7);
  margin: 0.9rem 0 0;
}

.yt-host {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 200px;
  height: 113px;
  opacity: 0;
  pointer-events: none;
  z-index: -1;
}

.yt-host iframe {
  border: 0;
  width: 200px;
  height: 113px;
}

.certificate::before {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(0, 40, 104, 0.2);
  pointer-events: none;
}

.scene-yes .certificate::before {
  display: none;
}

.cert-kicker {
  margin-bottom: 0.55rem;
}

.cert-title {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2.8rem, 9vw, 4.2rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0;
  line-height: 0.9;
}

.cert-script {
  font-family: var(--display);
  font-size: clamp(2.2rem, 7vw, 3.2rem);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--red);
  margin: 0.35rem 0 1rem;
  line-height: 0.95;
}

.cert-body {
  font-size: 1.02rem;
  line-height: 1.65;
  color: var(--ink-soft);
  max-width: 28rem;
  margin: 0 auto 1.3rem;
}

.cert-date {
  margin: 0 0 1.3rem;
}

.cert-seals {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  font-family: var(--display);
  letter-spacing: 0.2em;
  color: var(--navy);
}

.cert-seals .star-mark {
  color: var(--red);
  letter-spacing: 0;
}

.confetti {
  position: fixed;
  top: -12px;
  width: 10px;
  height: 10px;
  pointer-events: none;
  z-index: 6;
  animation: fall linear forwards;
  clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
}

@keyframes fall {
  to {
    transform: translateY(110dvh) rotate(280deg);
    opacity: 0.15;
  }
}

@media (max-width: 520px) {
  .letter,
  .certificate {
    padding: 1.55rem 1.15rem 1.4rem;
  }

  .kirk-portrait {
    margin: -1.55rem -1.15rem 1.1rem;
  }

  .kirk-portrait img {
    height: 16.5rem;
  }

  .body-copy p {
    font-size: 0.95rem;
  }

  .btn-no {
    letter-spacing: 0.08em;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .star {
    animation: none;
    opacity: 0.55;
  }
}