:root {
  --bg-cream: #fff7f2;
  --bg-soft: #ffe9df;
  --rose: #ff5d8f;
  --rose-deep: #ff3f74;
  --peach: #ffc6a1;
  --mint: #7cc8b3;
  --ink: #5a3a48;
  --ink-soft: #7b5a67;
  --card: rgba(255, 255, 255, 0.78);
  --shadow: 0 20px 45px rgba(206, 94, 130, 0.25);
  --radius-lg: 28px;
  --radius-md: 18px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--ink);
  font-family: "Nunito", sans-serif;
  background:
    radial-gradient(circle at 15% 20%, #ffd4e1 0, transparent 45%),
    radial-gradient(circle at 85% 10%, #ffe5c5 0, transparent 42%),
    linear-gradient(130deg, var(--bg-cream), var(--bg-soft));
}

a {
  color: inherit;
  text-decoration: none;
}

.ambient {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
  opacity: 0.58;
  animation: blobFloat 16s ease-in-out infinite;
}

.blob-one {
  width: 380px;
  height: 380px;
  left: -90px;
  top: -120px;
  background: radial-gradient(circle, #ffc4d6, #ff92b5);
}

.blob-two {
  width: 320px;
  height: 320px;
  right: -120px;
  top: 16%;
  background: radial-gradient(circle, #ffdcb0, #ffb78f);
  animation-delay: -4s;
}

.blob-three {
  width: 420px;
  height: 420px;
  left: 40%;
  bottom: -220px;
  background: radial-gradient(circle, #c9f2e7, #8dd5c0);
  animation-delay: -9s;
}

.grid-glow {
  position: absolute;
  inset: -60%;
  opacity: 0.1;
  background-image:
    repeating-linear-gradient(0deg, transparent 0, transparent 18px, rgba(255, 255, 255, 0.8) 19px),
    repeating-linear-gradient(90deg, transparent 0, transparent 18px, rgba(255, 255, 255, 0.8) 19px);
  transform: rotate(8deg);
}

@keyframes blobFloat {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(0, 32px, 0) scale(1.08);
  }
}

.floating-hearts {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.heart {
  position: absolute;
  bottom: -2rem;
  left: 50%;
  font-size: var(--size);
  opacity: 0;
  filter: drop-shadow(0 5px 8px rgba(255, 92, 140, 0.25));
  animation: rise var(--duration) linear forwards;
}

@keyframes rise {
  0% {
    opacity: 0;
    transform: translate3d(var(--drift), 0, 0) scale(0.8) rotate(0deg);
  }
  15% {
    opacity: 0.95;
  }
  100% {
    opacity: 0;
    transform: translate3d(calc(var(--drift) * -1), -110vh, 0) scale(1.2) rotate(28deg);
  }
}

.topbar {
  width: min(1100px, 92vw);
  margin: 1rem auto 0;
  padding: 1rem 1.2rem;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  position: sticky;
  top: 0;
  z-index: 30;
  border: 1px solid rgba(255, 255, 255, 0.75);
  background: rgba(255, 255, 255, 0.66);
  backdrop-filter: blur(14px);
  box-shadow: 0 12px 25px rgba(170, 79, 116, 0.15);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 1.15rem;
  font-family: "Baloo 2", cursive;
  font-weight: 800;
  letter-spacing: 0.2px;
}

.brand span {
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.2);
  }
}

.topbar nav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.topbar nav a {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ink-soft);
  padding: 0.42rem 0.78rem;
  border-radius: 999px;
  transition: transform 0.25s ease, background-color 0.25s ease, color 0.25s ease;
}

.topbar nav a:hover {
  transform: translateY(-2px);
  color: var(--rose-deep);
  background: rgba(255, 126, 162, 0.14);
}

main,
.footer {
  position: relative;
  z-index: 1;
}

.section {
  width: min(1100px, 92vw);
  margin: 4.5rem auto;
}

.hero {
  min-height: 70vh;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 2rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  width: fit-content;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--rose-deep);
  border: 1px solid rgba(255, 114, 158, 0.35);
  background: rgba(255, 255, 255, 0.5);
  padding: 0.4rem 0.82rem;
  border-radius: 999px;
}

.hero h1 {
  margin-top: 0.95rem;
  font-family: "Baloo 2", cursive;
  font-size: clamp(2.2rem, 5vw, 4.1rem);
  line-height: 1.05;
}

.hero-line {
  margin-top: 1rem;
  min-height: 2.4rem;
  font-size: clamp(1rem, 2.1vw, 1.35rem);
  color: var(--ink-soft);
}

.cursor {
  color: var(--rose-deep);
  animation: blink 1s steps(1, end) infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

.actions {
  margin-top: 1.5rem;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  border: none;
  border-radius: 999px;
  font: inherit;
  font-size: 0.98rem;
  font-weight: 700;
  padding: 0.75rem 1.25rem;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, filter 0.25s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(188, 73, 111, 0.22);
  filter: saturate(1.05);
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--rose), var(--rose-deep));
}

.btn-soft {
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(255, 128, 164, 0.3);
  color: var(--ink-soft);
}

.hero-panel {
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.85);
  background: var(--card);
  box-shadow: var(--shadow);
}

.hero-panel h2 {
  font-family: "Baloo 2", cursive;
  font-size: 1.45rem;
  line-height: 1.15;
}

.countdown {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.7rem;
}

.countdown div {
  padding: 0.72rem 0.4rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.95);
  text-align: center;
  border: 1px solid rgba(255, 153, 188, 0.3);
}

.countdown strong {
  display: block;
  line-height: 1;
  color: var(--rose-deep);
  font-size: 1.9rem;
  font-family: "Baloo 2", cursive;
}

.countdown span {
  margin-top: 0.35rem;
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
}

.hero-panel p {
  margin-top: 1rem;
  color: var(--ink-soft);
}

.section-head {
  text-align: center;
}

.section-head h2 {
  font-family: "Baloo 2", cursive;
  font-size: clamp(1.8rem, 3.5vw, 2.7rem);
}

.section-head p {
  margin-top: 0.6rem;
  color: var(--ink-soft);
}

.moment-grid {
  margin-top: 1.4rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.moment-card {
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.85);
  background: rgba(255, 255, 255, 0.8);
  padding: 1.1rem;
  box-shadow: 0 14px 26px rgba(183, 88, 122, 0.15);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.moment-card:hover {
  transform: translateY(-8px) rotate(-1deg);
  box-shadow: 0 20px 30px rgba(183, 88, 122, 0.24);
}

.moment-card .icon {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  font-size: 1.3rem;
  background: linear-gradient(135deg, #ffe1ec, #ffd7bc);
}

.moment-card h3 {
  margin-top: 0.72rem;
  font-family: "Baloo 2", cursive;
  font-size: 1.25rem;
}

.moment-card p {
  margin-top: 0.35rem;
  color: var(--ink-soft);
}

.envelope-wrap {
  margin-top: 1.4rem;
  display: grid;
  justify-items: center;
  gap: 1.2rem;
}

.envelope {
  width: min(360px, 88vw);
  height: 220px;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  display: block;
  appearance: none;
  -webkit-appearance: none;
  perspective: 1200px;
  perspective-origin: 50% 0%;
  transform-style: preserve-3d;
  position: relative;
  overflow: visible;
}

.envelope-pocket {
  position: absolute;
  inset: auto 0 0;
  height: 78%;
  border-radius: 16px;
  background: linear-gradient(135deg, #ffc1d5, #ff9ebd 70%);
  box-shadow: 0 18px 30px rgba(201, 80, 122, 0.25);
  z-index: 2;
}

.envelope-pocket::before {
  content: "";
  position: absolute;
  inset: 0;
  clip-path: polygon(0 0, 50% 58%, 100% 0, 100% 100%, 0 100%);
  background: linear-gradient(135deg, #ff8eaf, #ff6b99);
  border-radius: 16px;
}

.envelope-lid {
  position: absolute;
  inset: 0 0 auto;
  height: 58%;
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  background: linear-gradient(135deg, #ff77a1, #ff4f81);
  transform-origin: 50% 0%;
  backface-visibility: hidden;
  will-change: transform;
  z-index: 4;
  transition: transform 0.85s cubic-bezier(0.19, 1, 0.22, 1);
}

.seal {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 1.7rem;
  transition: transform 0.4s ease, opacity 0.4s ease;
  z-index: 2;
}

.envelope.open .envelope-lid {
  transform: rotateX(-165deg);
}

.envelope.open .seal {
  opacity: 0;
  transform: translate(-50%, -35px) scale(0.9);
}

.letter-paper {
  width: min(680px, 92vw);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 185, 205, 0.55);
  background: #fffdfc;
  box-shadow: 0 16px 30px rgba(177, 86, 119, 0.2);
  padding: 1.4rem 1.5rem;
  line-height: 1.72;
  transform: translateY(36px) scale(0.96);
  opacity: 0;
  transition: transform 0.6s ease, opacity 0.6s ease;
}

.letter-paper.open {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.letter-paper h3 {
  font-family: "Baloo 2", cursive;
  font-size: 1.55rem;
}

.signature {
  margin-top: 0.75rem;
  font-family: "Baloo 2", cursive;
  font-size: 1.1rem;
  color: var(--rose-deep);
}

.wish-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.85);
  background: rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow);
  padding: 2rem 1.4rem;
  text-align: center;
}

.wish-card h2 {
  font-family: "Baloo 2", cursive;
  font-size: clamp(1.75rem, 3vw, 2.4rem);
}

.wish-card p {
  margin-top: 0.6rem;
  color: var(--ink-soft);
}

.wish-btn {
  margin-top: 1rem;
}

.wish-text {
  margin-top: 1rem;
  min-height: 2.35rem;
  color: var(--rose-deep);
  font-size: 1.12rem;
  font-weight: 700;
}

.wish-text.show {
  animation: wishIn 0.45s ease;
}

@keyframes wishIn {
  0% {
    opacity: 0;
    transform: translateY(10px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.sparkle-field {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.sparkle {
  position: absolute;
  left: 0;
  top: 0;
  opacity: 0;
  font-size: var(--spark-size);
  animation: sparklePop 0.95s ease-out forwards;
}

@keyframes sparklePop {
  0% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.2);
  }
  15% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translate(
        calc(-50% + var(--spark-x)),
        calc(-50% + var(--spark-y))
      )
      scale(1.2);
  }
}

.footer {
  width: min(1100px, 92vw);
  margin: 1.5rem auto 2rem;
  text-align: center;
  color: var(--ink-soft);
}

.reveal {
  opacity: 0;
  transform: translateY(28px) scale(0.98);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.21, 1, 0.24, 1);
  will-change: opacity, transform;
}

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

.delay-1 {
  transition-delay: 0.08s;
}

.delay-2 {
  transition-delay: 0.16s;
}

.delay-3 {
  transition-delay: 0.24s;
}

.delay-4 {
  transition-delay: 0.32s;
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    gap: 1.5rem;
    padding-top: 1.7rem;
  }

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

@media (max-width: 700px) {
  .topbar {
    position: static;
    border-radius: 24px;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-top: 0.8rem;
  }

  .topbar nav {
    flex-wrap: wrap;
    justify-content: center;
  }

  .section {
    margin: 3.4rem auto;
  }

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

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

  .hero-panel {
    padding: 1.2rem;
  }

  .letter-paper {
    padding: 1.2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
  }

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