/* =========================================================
   520 · LOVE LETTER
   A handcrafted, dependency-free romantic page
   ========================================================= */

:root {
  --bg: #07030d;
  --bg-2: #100617;
  --ink: #fff7fb;
  --muted: rgba(255, 235, 245, 0.64);
  --faint: rgba(255, 235, 245, 0.38);
  --rose: #ff5c8b;
  --rose-2: #ff9dbb;
  --gold: #ffd6a0;
  --violet: #b77cff;
  --line: rgba(255, 255, 255, 0.12);
  --glass: rgba(255, 255, 255, 0.055);
  --serif: "Songti SC", "STSong", "Noto Serif CJK SC", "Source Han Serif SC", "SimSun", serif;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --script: "STKaiti", "KaiTi", "Kaiti SC", "Noto Serif CJK SC", serif;
  --display: "Bodoni MT", "Didot", "Cormorant Garamond", "Times New Roman", serif;
  --pad: clamp(20px, 4.2vw, 64px);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  font-family: var(--sans);
  background:
    radial-gradient(ellipse 110% 65% at 50% -18%, #2b0c35 0%, transparent 58%),
    radial-gradient(ellipse 70% 55% at 102% 22%, #1d0a31 0%, transparent 60%),
    linear-gradient(180deg, #09040f 0%, #07030d 46%, #0b0411 100%);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.is-locked {
  overflow: hidden;
}

::selection {
  color: #fff;
  background: rgba(255, 92, 139, 0.55);
}

::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: #08040e;
}

::-webkit-scrollbar-thumb {
  border: 3px solid #08040e;
  border-radius: 999px;
  background: rgba(255, 142, 174, 0.35);
}

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 4px;
}

a {
  color: inherit;
}

button {
  color: inherit;
  font: inherit;
}

img,
svg {
  display: block;
}

.skip-link {
  position: fixed;
  z-index: 999;
  top: 14px;
  left: 14px;
  padding: 10px 16px;
  color: #240712;
  background: var(--gold);
  border-radius: 999px;
  font-size: 0.8rem;
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform 0.25s ease;
}

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

/* ---------- atmosphere ---------- */

.grain {
  position: fixed;
  z-index: 90;
  inset: 0;
  opacity: 0.035;
  pointer-events: none;
  mix-blend-mode: soft-light;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.6'/%3E%3C/svg%3E");
}

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

.ambient__blob {
  position: absolute;
  display: block;
  width: 60vw;
  height: 60vw;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.28;
  will-change: transform;
  animation: floatBlob 20s ease-in-out infinite alternate;
}

.ambient__blob--rose {
  top: -25vw;
  left: -20vw;
  background: radial-gradient(circle, rgba(255, 40, 105, 0.86) 0%, rgba(255, 35, 100, 0) 66%);
}

.ambient__blob--violet {
  top: 18vh;
  right: -28vw;
  width: 70vw;
  height: 70vw;
  opacity: 0.2;
  background: radial-gradient(circle, rgba(151, 82, 255, 0.82) 0%, rgba(130, 60, 255, 0) 67%);
  animation-delay: -7s;
}

.ambient__blob--gold {
  bottom: -34vw;
  left: 24vw;
  width: 55vw;
  height: 55vw;
  opacity: 0.12;
  background: radial-gradient(circle, rgba(255, 179, 104, 0.9) 0%, rgba(255, 160, 90, 0) 68%);
  animation-delay: -13s;
}

.ambient__beam {
  position: absolute;
  top: -20%;
  left: 50%;
  width: 1px;
  height: 80vh;
  background: linear-gradient(to bottom, rgba(255, 220, 200, 0), rgba(255, 204, 220, 0.26), rgba(255, 220, 200, 0));
  box-shadow: 0 0 60px 18px rgba(255, 125, 165, 0.07);
  transform: rotate(18deg);
  opacity: 0.55;
}

.starfield {
  position: fixed;
  z-index: 1;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.petals {
  position: fixed;
  z-index: 2;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.petal {
  position: absolute;
  top: -8vh;
  left: var(--x, 50%);
  width: var(--size, 10px);
  height: calc(var(--size, 10px) * 1.45);
  border-radius: 78% 8% 78% 8%;
  opacity: 0;
  background: linear-gradient(135deg, hsla(var(--hue, 340), 90%, 84%, 0.9), hsla(calc(var(--hue, 340) + 22), 85%, 66%, 0.26));
  box-shadow: 0 0 12px hsla(var(--hue, 340), 90%, 72%, 0.22);
  transform: rotate(var(--rot, 0deg));
  animation: petalFall var(--duration, 18s) linear var(--delay, 0s) infinite;
  will-change: transform, opacity;
}

.cursor-glow {
  position: fixed;
  z-index: 3;
  top: 0;
  left: 0;
  width: 420px;
  height: 420px;
  margin: -210px 0 0 -210px;
  border-radius: 50%;
  opacity: 0;
  pointer-events: none;
  background: radial-gradient(circle, rgba(255, 105, 151, 0.14) 0%, rgba(171, 96, 255, 0.075) 34%, transparent 68%);
  mix-blend-mode: screen;
  transition: opacity 0.5s ease;
  will-change: transform;
}

.cursor-glow.is-visible {
  opacity: 1;
}

/* ---------- header ---------- */

.site-header {
  position: fixed;
  z-index: 50;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px var(--pad);
  transition: padding 0.35s ease;
}

.site-header::before {
  position: absolute;
  z-index: -1;
  inset: 0 0 -46px;
  content: "";
  opacity: 0;
  pointer-events: none;
  background: linear-gradient(to bottom, rgba(7, 3, 13, 0.9), rgba(7, 3, 13, 0));
  transition: opacity 0.4s ease;
}

.site-header.is-scrolled {
  padding-top: 16px;
  padding-bottom: 16px;
}

.site-header.is-scrolled::before {
  opacity: 1;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand__mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid rgba(255, 214, 180, 0.4);
  border-radius: 50%;
  color: var(--gold);
  font-family: var(--display);
  font-size: 1.15rem;
  font-style: italic;
  box-shadow: inset 0 0 22px rgba(255, 184, 154, 0.08), 0 0 20px rgba(255, 120, 160, 0.05);
}

.brand__word {
  color: rgba(255, 246, 250, 0.86);
  font-family: var(--display);
  font-size: 0.64rem;
  letter-spacing: 0.25em;
  line-height: 1.45;
}

.brand__word small {
  display: block;
  color: var(--faint);
  font-family: var(--sans);
  font-size: 0.48rem;
  letter-spacing: 0.34em;
}

.header-right {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2.4vw, 26px);
}

.only-you {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--faint);
  font-size: 0.55rem;
  letter-spacing: 0.22em;
}

.only-you i {
  display: block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #83f0b4;
  box-shadow: 0 0 10px #83f0b4;
  animation: statusPulse 2.4s ease-in-out infinite;
}

.music-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 38px;
  padding: 7px 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.035);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  cursor: pointer;
  transition: color 0.3s ease, border-color 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
}

.music-btn:hover {
  color: var(--ink);
  border-color: rgba(255, 195, 215, 0.32);
  background: rgba(255, 255, 255, 0.065);
}

.music-btn.is-playing {
  color: var(--ink);
  border-color: rgba(255, 139, 170, 0.42);
  box-shadow: 0 0 28px rgba(255, 80, 130, 0.14);
}

.music-btn__bars {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  width: 14px;
  height: 14px;
}

.music-btn__bars i {
  display: block;
  width: 2px;
  height: 4px;
  border-radius: 2px;
  background: var(--rose-2);
  transition: height 0.25s ease;
}

.music-btn.is-playing .music-btn__bars i {
  animation: equalize 0.8s ease-in-out infinite alternate;
}

.music-btn.is-playing .music-btn__bars i:nth-child(2) {
  animation-delay: -0.45s;
}

.music-btn.is-playing .music-btn__bars i:nth-child(3) {
  animation-delay: -0.2s;
}

.music-btn.is-playing .music-btn__bars i:nth-child(4) {
  animation-delay: -0.6s;
}

.music-btn__label {
  font-size: 0.61rem;
  letter-spacing: 0.13em;
  white-space: nowrap;
}

/* ---------- common ---------- */

.section {
  position: relative;
  padding: clamp(96px, 14vh, 168px) 0;
  scroll-margin-top: 70px;
}

.container {
  position: relative;
  width: min(1180px, calc(100% - var(--pad) * 2));
  margin-inline: auto;
}

.section-heading {
  max-width: 760px;
  margin: 0 auto clamp(48px, 7vw, 82px);
  text-align: center;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  margin-bottom: 20px;
  color: var(--muted);
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}

.section-kicker > span:first-child {
  color: var(--rose-2);
  font-family: var(--display);
  font-size: 0.9rem;
  font-style: italic;
  letter-spacing: 0.08em;
}

.section-kicker > i {
  display: block;
  width: 36px;
  height: 1px;
  background: linear-gradient(90deg, var(--rose), rgba(255, 92, 139, 0));
}

.section-kicker--center {
  justify-content: center;
}

.section-heading h2,
.future-copy h2,
.proposal h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2rem, 4.2vw, 3.45rem);
  font-weight: 600;
  line-height: 1.36;
  letter-spacing: 0.06em;
}

.section-heading h2 em,
.future-copy h2 em,
.proposal h2 em {
  font-family: var(--script);
  font-style: normal;
  color: var(--gold);
  letter-spacing: 0.02em;
}

.section-heading p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  line-height: 1.95;
}

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 54px;
  padding: 0 27px;
  overflow: hidden;
  border: 0;
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 0.87rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-decoration: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}

.btn::before {
  position: absolute;
  top: -60%;
  left: -40%;
  width: 26%;
  height: 220%;
  content: "";
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
  transform: rotate(22deg) translateX(-250%);
  transition: transform 0.7s ease;
}

.btn:hover::before {
  transform: rotate(22deg) translateX(600%);
}

.btn:hover {
  transform: translateY(-3px);
}

.btn:active {
  transform: translateY(-1px) scale(0.985);
}

.btn svg {
  flex: none;
}

.btn--primary {
  color: #2b0715;
  background: linear-gradient(118deg, #ffe0b4 0%, #ffa9c0 40%, #ff5c8b 77%, #ff7ba8 100%);
  box-shadow: 0 14px 42px rgba(255, 65, 118, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.62);
}

.btn--primary:hover {
  box-shadow: 0 20px 55px rgba(255, 65, 118, 0.42), inset 0 1px 0 rgba(255, 255, 255, 0.72);
}

.btn--ghost {
  color: var(--ink);
  border: 1px solid rgba(255, 255, 255, 0.17);
  background: rgba(255, 255, 255, 0.035);
}

.btn--ghost:hover {
  border-color: rgba(255, 210, 225, 0.38);
  background: rgba(255, 255, 255, 0.075);
}

.btn--yes {
  min-width: 190px;
}

.btn__heart {
  display: inline-block;
  color: #b50f38;
  font-size: 0.92rem;
  animation: heartbeat 1.8s ease-in-out infinite;
}

/* ---------- reveal ---------- */

.js [data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 1s var(--ease-out) var(--delay, 0s),
    transform 1s var(--ease-out) var(--delay, 0s);
}

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

/* ---------- hero ---------- */

.hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  min-height: 100svh;
  padding: 116px var(--pad) 90px;
  overflow: hidden;
  text-align: center;
}

.hero__halo {
  position: absolute;
  top: 43%;
  left: 50%;
  width: min(78vw, 900px);
  aspect-ratio: 1;
  border-radius: 50%;
  pointer-events: none;
  background:
    radial-gradient(circle at 50% 48%, rgba(255, 70, 130, 0.14) 0%, rgba(255, 70, 130, 0.05) 35%, transparent 68%),
    radial-gradient(circle at 63% 40%, rgba(163, 90, 255, 0.1) 0%, transparent 56%);
  filter: blur(22px);
  transform: translate(-50%, -50%);
  animation: haloBreathe 8s ease-in-out infinite;
}

.hero__heart {
  position: absolute;
  z-index: 0;
  top: 46%;
  left: 50%;
  width: min(92vw, 900px);
  height: auto;
  aspect-ratio: 1;
  pointer-events: none;
  opacity: 0.92;
  transform: translate(-50%, -50%);
  mix-blend-mode: screen;
}

.hero__inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: min(980px, 100%);
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 12px;
  color: rgba(255, 236, 245, 0.56);
  font-size: 0.61rem;
  font-weight: 500;
  letter-spacing: 0.33em;
  text-indent: 0.33em;
}

.eyebrow-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--rose-2);
  box-shadow: 0 0 12px var(--rose);
  animation: statusPulse 2.6s ease-in-out infinite;
}

.hero__number {
  position: relative;
  display: inline-block;
  margin: 0 -0.18em;
  padding: 0 0.18em;
  font-family: var(--display);
  font-size: clamp(8.8rem, 24.5vw, 21.5rem);
  font-style: italic;
  font-weight: 700;
  line-height: 0.78;
  letter-spacing: -0.075em;
  white-space: nowrap;
  color: transparent;
  background: linear-gradient(108deg, #ffe9ef 0%, #ffa6c3 24%, #ff4d86 47%, #b976ff 72%, #ffd5a4 100%);
  background-size: 220% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  filter: drop-shadow(0 0 26px rgba(255, 74, 131, 0.25)) drop-shadow(0 0 80px rgba(163, 90, 255, 0.14));
  animation: gradientShift 9s ease-in-out infinite alternate;
  user-select: none;
}

.hero__number::after {
  position: absolute;
  top: -0.17em;
  right: 0.24em;
  content: "♥";
  color: rgba(255, 217, 180, 0.8);
  font-family: var(--sans);
  font-size: 0.075em;
  font-style: normal;
  letter-spacing: 0;
  filter: drop-shadow(0 0 12px rgba(255, 120, 160, 0.65));
  animation: floatHeart 5s ease-in-out infinite;
}

.hero h1 {
  margin: 34px 0 0;
  font-family: var(--serif);
  font-size: clamp(1.72rem, 3.8vw, 3.2rem);
  font-weight: 600;
  line-height: 1.42;
  letter-spacing: 0.07em;
}

.hero h1 em {
  font-family: var(--script);
  font-size: 1.15em;
  font-style: normal;
  letter-spacing: 0.03em;
  color: transparent;
  background: linear-gradient(100deg, #ffe4bd 0%, #ffb4c9 42%, #ffd7b2 100%);
  -webkit-background-clip: text;
  background-clip: text;
}

.hero__lead {
  margin: 21px 0 0;
  color: var(--muted);
  font-size: clamp(0.82rem, 1.15vw, 0.96rem);
  letter-spacing: 0.09em;
  line-height: 2.1;
}

.mobile-br {
  display: none;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 13px;
  margin-top: 34px;
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 13px 26px;
  margin-top: 38px;
  color: rgba(255, 235, 245, 0.38);
  font-size: 0.59rem;
  letter-spacing: 0.15em;
}

.hero__meta > span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.hero__meta > span + span::before {
  width: 1px;
  height: 10px;
  margin-right: 15px;
  content: "";
  background: rgba(255, 255, 255, 0.14);
}

.meta-heart {
  display: block;
  width: 9px;
  height: 9px;
  background: var(--rose-2);
  clip-path: path("M4.5 8.5S0 5.7 0 2.9C0 1.4 1 0.5 2.1 0.5c.8 0 1.4.4 1.8 1 .4-.6 1-1 1.8-1C6.8.5 7.8 1.4 7.8 2.9c0 2.8-4.5 5.6-4.5 5.6Z");
  filter: drop-shadow(0 0 5px rgba(255, 92, 139, 0.8));
}

.scroll-cue {
  position: absolute;
  z-index: 2;
  bottom: 25px;
  left: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: rgba(255, 235, 245, 0.35);
  font-size: 0.51rem;
  letter-spacing: 0.32em;
  text-indent: 0.32em;
  transform: translateX(-50%);
}

.scroll-cue i {
  position: relative;
  display: block;
  width: 1px;
  height: 56px;
  overflow: hidden;
  background: linear-gradient(to bottom, rgba(255, 159, 187, 0.55), transparent);
}

.scroll-cue i::after {
  position: absolute;
  top: -60%;
  left: 0;
  width: 1px;
  height: 55%;
  content: "";
  background: #fff;
  animation: scrollLine 2.2s ease-in-out infinite;
}

/* ---------- letter ---------- */

.letter-section {
  overflow: visible;
}

.letter-section::before {
  position: absolute;
  z-index: -1;
  top: 30%;
  left: 50%;
  width: min(90vw, 980px);
  aspect-ratio: 1;
  content: "";
  background: radial-gradient(circle, rgba(255, 70, 122, 0.06), transparent 64%);
  transform: translate(-50%, -30%);
  pointer-events: none;
}

.envelope-stage {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: clamp(28px, 5vw, 60px) 0 12px;
}

.envelope-glow {
  position: absolute;
  z-index: -1;
  top: 48%;
  left: 50%;
  width: min(86vw, 760px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 77, 128, 0.2) 0%, rgba(255, 77, 128, 0.04) 42%, transparent 68%);
  filter: blur(46px);
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.envelope-orbit {
  position: absolute;
  z-index: -1;
  top: 46%;
  left: 50%;
  width: min(95vw, 830px);
  aspect-ratio: 1;
  border: 1px dashed rgba(255, 190, 211, 0.1);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: spin 70s linear infinite;
  pointer-events: none;
}

.envelope-orbit::before,
.envelope-orbit::after {
  position: absolute;
  width: 5px;
  height: 5px;
  content: "";
  border-radius: 50%;
  background: rgba(255, 196, 214, 0.65);
  box-shadow: 0 0 12px rgba(255, 120, 160, 0.7);
}

.envelope-orbit::before {
  top: 13%;
  left: 18%;
}

.envelope-orbit::after {
  right: 9%;
  bottom: 24%;
  width: 3px;
  height: 3px;
  opacity: 0.55;
}

.envelope {
  position: relative;
  display: block;
  width: min(86vw, 560px);
  aspect-ratio: 1.58 / 1;
  padding: 0;
  border: 0;
  border-radius: 10px;
  background: transparent;
  cursor: pointer;
  isolation: isolate;
  perspective: 1200px;
  transform-style: preserve-3d;
  transition: transform 0.5s var(--ease-out), filter 0.5s ease;
  filter: drop-shadow(0 34px 45px rgba(0, 0, 0, 0.46));
  -webkit-tap-highlight-color: transparent;
}

.envelope:hover {
  transform: translateY(-9px);
  filter: drop-shadow(0 44px 55px rgba(0, 0, 0, 0.52));
}

.envelope.is-open {
  transform: translateY(-2px);
}

.envelope__back {
  position: absolute;
  z-index: 0;
  inset: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 207, 185, 0.2);
  border-radius: 9px 9px 13px 13px;
  background:
    linear-gradient(145deg, rgba(255, 206, 178, 0.08), transparent 28%),
    linear-gradient(145deg, #3a142c 0%, #210b1c 52%, #2b0e22 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 232, 220, 0.12),
    inset 0 0 80px rgba(0, 0, 0, 0.33);
}

.envelope__back::before {
  position: absolute;
  inset: 13px;
  content: "";
  border: 1px solid rgba(255, 211, 183, 0.09);
  border-radius: 4px 4px 8px 8px;
}

.envelope__back::after {
  position: absolute;
  top: 6px;
  left: 50%;
  width: 52%;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, rgba(255, 218, 181, 0.42), transparent);
  transform: translateX(-50%);
}

.envelope__liner {
  position: absolute;
  z-index: 2;
  inset: 0;
  overflow: hidden;
  border-radius: 9px 9px 13px 13px;
  pointer-events: none;
  background:
    linear-gradient(150deg, rgba(255, 208, 180, 0.055), transparent 34%),
    linear-gradient(330deg, rgba(255, 208, 180, 0.025), transparent 40%),
    repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.012) 0 1px, transparent 1px 7px),
    linear-gradient(165deg, #260c1d, #190713 60%, #210a19);
  box-shadow:
    inset 0 1px 0 rgba(255, 233, 218, 0.1),
    inset 0 0 70px rgba(0, 0, 0, 0.3);
}

.envelope__liner::before {
  position: absolute;
  right: 12px;
  bottom: 12px;
  left: 12px;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, rgba(255, 221, 196, 0.09), transparent);
}

.envelope__letter {
  position: absolute;
  z-index: 1;
  top: -10%;
  left: 5.5%;
  display: flex;
  flex-direction: column;
  width: 89%;
  height: 108%;
  padding: 17px 26px;
  overflow: hidden;
  border-radius: 5px 5px 3px 3px;
  color: #4b252e;
  text-align: left;
  background:
    repeating-linear-gradient(0deg, transparent 0 29px, rgba(114, 55, 56, 0.055) 29px 30px),
    radial-gradient(ellipse at 8% 0%, #fffdf8 0%, #f7ebdb 52%, #eedcc9 100%);
  box-shadow: 0 5px 18px rgba(0, 0, 0, 0.28);
  transform: translateY(0);
  transition: transform 0.8s var(--ease-out), box-shadow 0.5s ease;
}

.envelope:hover .envelope__letter {
  transform: translateY(-10px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3);
}

.envelope.is-open .envelope__letter {
  transform: translateY(-31%) rotate(-0.4deg);
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.32);
}

.envelope__to {
  display: block;
  font-family: var(--script);
  font-size: clamp(0.92rem, 2vw, 1.18rem);
  letter-spacing: 0.04em;
  color: #6d3039;
}

.envelope__letter::after {
  position: absolute;
  top: 12px;
  right: 18px;
  padding: 3px 6px 2px;
  content: "05 / 20";
  border: 1px solid rgba(159, 59, 74, 0.34);
  color: rgba(116, 43, 55, 0.66);
  font-family: var(--display);
  font-size: clamp(0.4rem, 0.8vw, 0.5rem);
  letter-spacing: 0.12em;
  transform: rotate(3deg);
}

.envelope__to b {
  font-weight: 400;
}

.envelope__line {
  display: block;
  width: 44px;
  height: 1px;
  margin: 10px 0 12px;
  background: rgba(161, 68, 81, 0.4);
}

.envelope__snippet {
  display: block;
  font-family: var(--serif);
  font-size: clamp(0.65rem, 1.3vw, 0.8rem);
  line-height: 1.9;
  letter-spacing: 0.1em;
  color: rgba(93, 51, 55, 0.62);
}

.envelope__tiny-heart {
  position: absolute;
  right: 22px;
  bottom: 17px;
  color: rgba(172, 58, 78, 0.55);
  font-size: 1rem;
}

.envelope__front {
  position: absolute;
  z-index: 3;
  inset: 0;
  border-radius: 0 0 12px 12px;
  background:
    linear-gradient(150deg, rgba(255, 209, 180, 0.06), transparent 36%),
    linear-gradient(165deg, #321025 0%, #1b0817 62%, #270c1e 100%);
  clip-path: polygon(0 18%, 50% 57%, 100% 18%, 100% 100%, 0 100%);
  filter: drop-shadow(0 -1px 0 rgba(255, 215, 186, 0.12));
}

.envelope__front::before,
.envelope__front::after {
  position: absolute;
  top: 18%;
  width: 50%;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, rgba(255, 205, 180, 0.14), transparent);
  transform-origin: left;
}

.envelope__front::before {
  left: 0;
  transform: rotate(38deg);
}

.envelope__front::after {
  right: 0;
  background: linear-gradient(270deg, rgba(255, 205, 180, 0.1), transparent);
  transform: rotate(-38deg);
  transform-origin: right;
}

.envelope__flap {
  position: absolute;
  z-index: 4;
  top: 0;
  left: 0;
  width: 100%;
  height: 58%;
  border-radius: 9px 9px 0 0;
  background:
    linear-gradient(180deg, rgba(255, 208, 175, 0.08), transparent 48%),
    linear-gradient(155deg, #411730 0%, #260d1e 60%, #1a0816 100%);
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  filter: drop-shadow(0 2px 0 rgba(255, 207, 180, 0.13));
  transform: rotateX(0deg);
  transform-origin: top center;
  transition: transform 0.9s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.7s ease 0.2s, z-index 0s linear 0.35s;
}

.envelope.is-open .envelope__flap {
  z-index: 0;
  opacity: 0.28;
  transform: rotateX(180deg);
}

.envelope__mark {
  position: absolute;
  z-index: 4;
  bottom: 20px;
  left: 50%;
  color: rgba(255, 224, 204, 0.25);
  font-family: var(--display);
  font-size: clamp(0.4rem, 0.8vw, 0.48rem);
  letter-spacing: 0.28em;
  text-indent: 0.28em;
  white-space: nowrap;
  transform: translateX(-50%);
  transition: opacity 0.4s ease;
}

.envelope.is-open .envelope__mark {
  opacity: 0;
}

.envelope__seal {
  position: absolute;
  z-index: 5;
  top: 52%;
  left: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: clamp(58px, 8.2vw, 76px);
  height: clamp(58px, 8.2vw, 76px);
  border: 1px solid rgba(255, 215, 190, 0.28);
  border-radius: 50%;
  color: #ffe0c9;
  background:
    radial-gradient(circle at 36% 27%, rgba(255, 210, 196, 0.72), transparent 21%),
    radial-gradient(circle at 50% 48%, #d52a59 0%, #a30c36 56%, #66001e 100%);
  box-shadow:
    0 8px 24px rgba(0, 0, 0, 0.44),
    inset 0 0 0 4px rgba(112, 0, 27, 0.28),
    inset 0 0 20px rgba(255, 196, 182, 0.13);
  transform: translate(-50%, -50%);
  transition: transform 0.55s var(--ease-out), opacity 0.4s ease;
}

.envelope__seal::after {
  position: absolute;
  inset: 6px;
  content: "";
  border: 1px dashed rgba(255, 223, 205, 0.27);
  border-radius: 50%;
  animation: spin 26s linear infinite;
}

.envelope__seal > span {
  z-index: 1;
  font-size: clamp(1rem, 2.4vw, 1.35rem);
  line-height: 1;
  filter: drop-shadow(0 0 7px rgba(255, 178, 175, 0.65));
}

.envelope__seal small {
  z-index: 1;
  margin-top: 3px;
  font-family: var(--display);
  font-size: clamp(0.45rem, 1vw, 0.56rem);
  letter-spacing: 0.13em;
  opacity: 0.85;
}

.envelope:hover .envelope__seal {
  transform: translate(-50%, -50%) scale(1.06);
}

.envelope.is-open .envelope__seal {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(24deg) scale(0.45);
}

.envelope-hint {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 32px 0 0;
  color: var(--muted);
  font-size: clamp(0.61rem, 1.2vw, 0.72rem);
  letter-spacing: 0.16em;
  transition: opacity 0.4s ease;
}

.envelope.is-open ~ .envelope-hint {
  opacity: 0;
}

.pulse-dot {
  position: relative;
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--rose);
  box-shadow: 0 0 0 0 rgba(255, 92, 139, 0.4);
  animation: pulseRing 2.2s ease-out infinite;
}

/* ---------- letter modal ---------- */

.letter-modal {
  position: fixed;
  z-index: 100;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(14px, 4vw, 48px);
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.45s ease, visibility 0s linear 0.45s;
}

.letter-modal.is-open {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transition: opacity 0.45s ease, visibility 0s;
}

.letter-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4, 2, 8, 0.84);
  backdrop-filter: blur(20px) saturate(0.72);
  -webkit-backdrop-filter: blur(20px) saturate(0.72);
}

.letter-modal__close,
.yes-overlay__close {
  position: absolute;
  z-index: 3;
  top: clamp(14px, 3vw, 30px);
  right: clamp(14px, 3vw, 30px);
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.055);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  cursor: pointer;
  transition: background 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}

.letter-modal__close:hover,
.yes-overlay__close:hover {
  border-color: rgba(255, 205, 220, 0.4);
  background: rgba(255, 255, 255, 0.1);
  transform: rotate(90deg);
}

.letter-modal__close span,
.yes-overlay__close span {
  position: absolute;
  width: 15px;
  height: 1px;
  background: rgba(255, 245, 248, 0.8);
}

.letter-modal__close span:first-child,
.yes-overlay__close span:first-child {
  transform: rotate(45deg);
}

.letter-modal__close span:last-child,
.yes-overlay__close span:last-child {
  transform: rotate(-45deg);
}

.letter-paper {
  position: relative;
  width: min(690px, 100%);
  max-height: min(87vh, 900px);
  max-height: min(87svh, 900px);
  padding: clamp(38px, 6vw, 72px) clamp(24px, 6vw, 70px) clamp(42px, 6vw, 68px);
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  border-radius: 3px;
  color: #42242b;
  background:
    radial-gradient(ellipse at 12% 0%, rgba(255, 255, 255, 0.96), transparent 45%),
    radial-gradient(ellipse at 92% 94%, rgba(255, 232, 213, 0.6), transparent 48%),
    repeating-linear-gradient(0deg, transparent 0 31px, rgba(114, 55, 56, 0.052) 31px 32px),
    linear-gradient(120deg, #fbf4e8 0%, #f7eddf 58%, #f2e3d1 100%);
  box-shadow:
    0 50px 150px rgba(0, 0, 0, 0.72),
    0 4px 10px rgba(0, 0, 0, 0.25),
    inset 0 0 70px rgba(157, 94, 68, 0.08);
  transform: translateY(52px) scale(0.965) rotateX(4deg);
  opacity: 0;
  scrollbar-width: thin;
  scrollbar-color: rgba(130, 60, 70, 0.3) transparent;
  transition: transform 0.75s var(--ease-out) 0.06s, opacity 0.65s ease 0.08s;
}

.letter-paper::before {
  position: absolute;
  top: 34px;
  bottom: 34px;
  left: clamp(9px, 2vw, 21px);
  width: 1px;
  content: "";
  background: linear-gradient(to bottom, transparent, rgba(159, 65, 75, 0.24) 10%, rgba(159, 65, 75, 0.18) 90%, transparent);
  pointer-events: none;
}

.letter-paper:focus {
  outline: none;
}

.letter-paper:focus-visible {
  outline: 1px solid rgba(255, 215, 185, 0.35);
  outline-offset: -7px;
}

.letter-paper::-webkit-scrollbar {
  width: 8px;
}

.letter-paper::-webkit-scrollbar-track {
  background: transparent;
}

.letter-paper::-webkit-scrollbar-thumb {
  border: 2px solid transparent;
  border-radius: 999px;
  background: rgba(130, 60, 70, 0.25);
  background-clip: padding-box;
}

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

.letter-paper__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: clamp(34px, 5vw, 54px);
  color: #a17172;
  font-size: 0.52rem;
  letter-spacing: 0.28em;
}

.letter-paper__stamp {
  position: absolute;
  top: clamp(90px, 12vw, 112px);
  right: clamp(24px, 5vw, 52px);
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 68px;
  padding: 8px 5px 7px;
  border: 1px solid rgba(155, 57, 70, 0.32);
  color: #9b3c4d;
  font-family: var(--display);
  line-height: 1;
  text-align: center;
  transform: rotate(6deg);
  opacity: 0.82;
}

.letter-paper__stamp::after {
  position: absolute;
  inset: 3px;
  content: "";
  border: 1px solid rgba(155, 57, 70, 0.16);
}

.letter-paper__stamp span {
  font-size: 0.46rem;
  letter-spacing: 0.18em;
}

.letter-paper__stamp b {
  margin: 4px 0 3px;
  font-size: 1.35rem;
  font-style: italic;
  letter-spacing: -0.02em;
}

.letter-paper__stamp small {
  font-family: var(--sans);
  font-size: 0.37rem;
  letter-spacing: 0.15em;
}

.letter-paper h3 {
  margin: 0 0 26px;
  color: #60232f;
  font-family: var(--script);
  font-size: clamp(1.55rem, 3vw, 2.05rem);
  font-weight: 400;
  letter-spacing: 0.03em;
}

.letter-paper p {
  margin: 0 0 19px;
  color: #4d2a31;
  font-family: var(--serif);
  font-size: clamp(0.94rem, 1.25vw, 1.04rem);
  line-height: 2.12;
  letter-spacing: 0.045em;
  text-align: justify;
}

.letter-paper__opening {
  color: #6e303b !important;
  font-family: var(--script) !important;
  font-size: clamp(1.12rem, 2.2vw, 1.3rem) !important;
  letter-spacing: 0.06em !important;
}

.letter-paper strong {
  color: #7b2438;
  font-weight: 600;
  background: linear-gradient(transparent 70%, rgba(221, 151, 132, 0.28) 70%);
}

.letter-paper__sign {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  margin-top: 34px;
  color: #7a4149;
  font-family: var(--script);
  text-align: right;
}

.letter-paper__sign span {
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  opacity: 0.72;
}

.letter-paper__sign b {
  font-size: clamp(1.2rem, 2.2vw, 1.5rem);
  font-weight: 400;
  letter-spacing: 0.04em;
}

.letter-paper__sign i {
  color: #a56a6f;
  font-family: var(--display);
  font-size: 0.66rem;
  font-style: italic;
  letter-spacing: 0.15em;
}

.letter-paper__ps {
  margin: 32px 0 0 !important;
  padding-top: 20px;
  border-top: 1px solid rgba(126, 63, 69, 0.15);
  color: #916166 !important;
  font-family: var(--script) !important;
  font-size: 0.84rem !important;
  line-height: 1.8 !important;
  text-align: left !important;
}

.letter-paper__seal {
  display: grid;
  width: 42px;
  height: 42px;
  margin: 28px 0 0 auto;
  place-items: center;
  border-radius: 50%;
  color: #ffd9c4;
  font-size: 0.72rem;
  background: radial-gradient(circle at 35% 30%, #d84a70, #94112f 62%, #5d0019);
  box-shadow: inset 0 0 0 3px rgba(117, 0, 27, 0.24), 0 5px 13px rgba(88, 22, 28, 0.25);
  transform: rotate(-8deg);
}

.letter-modal.is-open .letter-paper__meta,
.letter-modal.is-open .letter-paper h3,
.letter-modal.is-open .letter-paper > p,
.letter-modal.is-open .letter-paper__sign,
.letter-modal.is-open .letter-paper__seal {
  animation: paperIn 0.8s var(--ease-out) both;
}

.letter-modal.is-open .letter-paper h3 {
  animation-delay: 0.1s;
}

.letter-modal.is-open .letter-paper > p:nth-of-type(1) {
  animation-delay: 0.16s;
}

.letter-modal.is-open .letter-paper > p:nth-of-type(2) {
  animation-delay: 0.22s;
}

.letter-modal.is-open .letter-paper > p:nth-of-type(3) {
  animation-delay: 0.28s;
}

.letter-modal.is-open .letter-paper > p:nth-of-type(4) {
  animation-delay: 0.34s;
}

.letter-modal.is-open .letter-paper > p:nth-of-type(5) {
  animation-delay: 0.4s;
}

.letter-modal.is-open .letter-paper__sign {
  animation-delay: 0.48s;
}

.letter-modal.is-open .letter-paper__ps {
  animation-delay: 0.54s;
}

.letter-modal.is-open .letter-paper__seal {
  animation-delay: 0.62s;
}

/* ---------- reasons ---------- */

.reasons {
  overflow: hidden;
}

.reasons::before {
  position: absolute;
  z-index: -1;
  top: 30%;
  right: -20%;
  width: 50vw;
  height: 50vw;
  content: "";
  border-radius: 50%;
  background: radial-gradient(circle, rgba(168, 92, 255, 0.07), transparent 66%);
  pointer-events: none;
}

.reason-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.reason-card {
  --mx: 50%;
  --my: 30%;
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 370px;
  padding: clamp(25px, 3.2vw, 34px);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 25px;
  background:
    linear-gradient(155deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.018) 54%, rgba(255, 255, 255, 0.04)),
    rgba(14, 7, 20, 0.46);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), 0 24px 60px rgba(0, 0, 0, 0.17);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transform-style: preserve-3d;
  transition: transform 0.35s var(--ease-out), border-color 0.35s ease, box-shadow 0.35s ease;
}

.reason-card::before {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  opacity: 0;
  background: radial-gradient(360px circle at var(--mx) var(--my), rgba(255, 118, 158, 0.18), transparent 48%);
  transition: opacity 0.4s ease;
}

.reason-card::after {
  position: absolute;
  right: -34px;
  bottom: -58px;
  width: 180px;
  height: 180px;
  content: "";
  border: 1px solid rgba(255, 208, 220, 0.08);
  border-radius: 50%;
  pointer-events: none;
}

.reason-card:hover {
  border-color: rgba(255, 178, 198, 0.28);
  box-shadow: 0 35px 80px rgba(0, 0, 0, 0.32), 0 0 55px rgba(255, 80, 132, 0.07), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.reason-card--sun {
  background:
    radial-gradient(circle at 84% 3%, rgba(255, 153, 94, 0.13), transparent 43%),
    linear-gradient(155deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.018) 54%, rgba(255, 255, 255, 0.04)),
    rgba(19, 8, 20, 0.5);
}

.reason-card--spark {
  background:
    radial-gradient(circle at 8% 4%, rgba(183, 124, 255, 0.16), transparent 46%),
    linear-gradient(155deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.018) 54%, rgba(255, 255, 255, 0.04)),
    rgba(16, 7, 22, 0.5);
}

.reason-card--moon {
  background:
    radial-gradient(circle at 92% 94%, rgba(104, 134, 255, 0.12), transparent 48%),
    linear-gradient(155deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.018) 54%, rgba(255, 255, 255, 0.04)),
    rgba(12, 8, 21, 0.5);
}

.reason-card:hover::before {
  opacity: 1;
}

.reason-card__top {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: rgba(255, 235, 245, 0.33);
  font-family: var(--display);
  font-size: 0.57rem;
  letter-spacing: 0.22em;
}

.reason-card__top > span:first-child {
  color: var(--rose-2);
  font-style: italic;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
}

.reason-card__icon {
  position: relative;
  z-index: 1;
  display: grid;
  width: 62px;
  height: 62px;
  margin: 48px 0 26px;
  place-items: center;
  border: 1px solid rgba(255, 212, 190, 0.18);
  border-radius: 50%;
  color: var(--gold);
  background: radial-gradient(circle at 30% 22%, rgba(255, 219, 186, 0.12), transparent 55%);
  box-shadow: 0 0 30px rgba(255, 134, 156, 0.07), inset 0 0 20px rgba(255, 184, 160, 0.05);
}

.reason-card__icon svg {
  width: 31px;
  height: 31px;
}

.reason-card--spark .reason-card__icon::after {
  position: absolute;
  inset: -8px;
  content: "";
  border: 1px dashed rgba(255, 190, 210, 0.18);
  border-radius: 50%;
  animation: spin 24s linear infinite;
}

.reason-card--moon .reason-card__icon {
  color: #d6bcff;
}

.reason-card h3 {
  position: relative;
  z-index: 1;
  margin: 0 0 14px;
  font-family: var(--serif);
  font-size: clamp(1.35rem, 2vw, 1.68rem);
  font-weight: 500;
  line-height: 1.55;
  letter-spacing: 0.045em;
}

.reason-card p {
  position: relative;
  z-index: 1;
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.95;
  letter-spacing: 0.05em;
}

.reason-card__footer {
  position: relative;
  z-index: 1;
  margin-top: auto;
  padding-top: 28px;
  color: rgba(255, 230, 240, 0.26);
  font-family: var(--display);
  font-size: 0.5rem;
  letter-spacing: 0.24em;
}

.reason-quote {
  position: relative;
  display: flex;
  grid-column: 1 / -1;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  margin: 6px 0 0;
  padding: clamp(30px, 4.6vw, 48px) clamp(22px, 4vw, 54px) clamp(30px, 4.6vw, 48px) clamp(70px, 9vw, 120px);
  overflow: hidden;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.reason-quote::before {
  position: absolute;
  top: -12px;
  left: clamp(12px, 2.8vw, 32px);
  content: "“";
  color: rgba(255, 183, 202, 0.18);
  font-family: var(--display);
  font-size: clamp(7rem, 14vw, 12rem);
  line-height: 1;
  pointer-events: none;
}

.reason-quote p {
  margin: 0;
  font-family: var(--script);
  font-size: clamp(1.35rem, 2.7vw, 2.1rem);
  line-height: 1.62;
  letter-spacing: 0.04em;
  background: linear-gradient(100deg, #ffe5c5, #ffadc6 52%, #e7ccff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.reason-quote > span {
  flex: none;
  color: rgba(255, 235, 245, 0.28);
  font-family: var(--display);
  font-size: 0.5rem;
  letter-spacing: 0.28em;
  writing-mode: vertical-rl;
}

/* ---------- future ---------- */

.future {
  overflow: hidden;
}

.future::before {
  position: absolute;
  z-index: -1;
  top: 10%;
  left: -22%;
  width: 52vw;
  height: 52vw;
  content: "";
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 79, 135, 0.08), transparent 68%);
  pointer-events: none;
}

.future-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(40px, 8vw, 108px);
  align-items: center;
}

.orbit-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.orbit {
  position: relative;
  display: grid;
  width: min(100%, 480px);
  aspect-ratio: 1;
  place-items: center;
}

.orbit__glow {
  position: absolute;
  inset: 18%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 96, 144, 0.2) 0%, rgba(164, 96, 255, 0.07) 45%, transparent 70%);
  filter: blur(22px);
  animation: haloBreathe 7s ease-in-out infinite;
}

.orbit__ring {
  position: absolute;
  border: 1px solid rgba(255, 214, 225, 0.13);
  border-radius: 50%;
}

.orbit__ring--1 {
  inset: 4%;
}

.orbit__ring--2 {
  inset: 18.5%;
  border-style: dashed;
  border-color: rgba(255, 214, 225, 0.1);
}

.orbit__ring--3 {
  inset: 33%;
  border-color: rgba(255, 214, 225, 0.18);
}

.orbit__track {
  position: absolute;
  inset: 4%;
  border-radius: 50%;
  animation: spin 28s linear infinite;
}

.orbit__track--2 {
  inset: 18.5%;
  animation: spinReverse 18s linear infinite;
}

.orbit__dot {
  position: absolute;
  top: -4px;
  left: 50%;
  display: block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--rose-2);
  box-shadow: 0 0 16px 3px rgba(255, 92, 139, 0.48);
  transform: translateX(-50%);
}

.orbit__track--2 .orbit__dot {
  background: #d5b8ff;
  box-shadow: 0 0 16px 3px rgba(183, 124, 255, 0.4);
}

.orbit__dot i {
  position: absolute;
  top: -29px;
  left: 50%;
  color: var(--gold);
  font-family: var(--script);
  font-size: 0.84rem;
  font-style: normal;
  white-space: nowrap;
  transform: translateX(-50%);
  animation: spinReverse 28s linear infinite;
}

.orbit__track--2 .orbit__dot i {
  animation: spin 18s linear infinite;
}

.orbit__core {
  position: relative;
  z-index: 2;
  display: grid;
  width: 31%;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid rgba(255, 213, 225, 0.22);
  border-radius: 50%;
  background:
    radial-gradient(circle at 34% 26%, rgba(255, 236, 220, 0.14), transparent 42%),
    rgba(28, 9, 30, 0.74);
  box-shadow:
    0 0 60px rgba(255, 90, 140, 0.18),
    inset 0 0 32px rgba(255, 120, 160, 0.08);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: coreBreathe 4s ease-in-out infinite;
}

.orbit__core svg {
  width: 56%;
  height: auto;
  filter: drop-shadow(0 0 14px rgba(255, 111, 157, 0.6));
}

.orbit__star {
  position: absolute;
  color: rgba(255, 220, 190, 0.6);
  font-size: 0.8rem;
  animation: starTwinkle 3.2s ease-in-out infinite;
}

.orbit__star--a {
  top: 14%;
  right: 18%;
}

.orbit__star--b {
  bottom: 17%;
  left: 12%;
  color: rgba(217, 194, 255, 0.6);
  font-size: 1rem;
  animation-delay: -1.1s;
}

.orbit__star--c {
  top: 30%;
  left: 9%;
  font-size: 1.8rem;
  animation-delay: -2.2s;
}

.orbit__caption {
  margin: 18px 0 0;
  color: rgba(255, 235, 245, 0.3);
  font-family: var(--display);
  font-size: 0.52rem;
  letter-spacing: 0.3em;
  text-align: center;
}

.future-copy h2 {
  margin-top: 0;
}

.future-copy__lead {
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 0.89rem;
  line-height: 2.05;
  letter-spacing: 0.055em;
}

.wishlist {
  margin: 34px 0 0;
  padding: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  list-style: none;
}

.wishlist li {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) 20px;
  align-items: center;
  gap: 14px;
  padding: 17px 4px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: padding 0.35s var(--ease-out), background 0.35s ease;
}

.wishlist li:hover {
  padding-right: 12px;
  padding-left: 14px;
  background: linear-gradient(90deg, rgba(255, 94, 140, 0.08), transparent 70%);
}

.wishlist__num {
  color: var(--rose-2);
  font-family: var(--display);
  font-size: 0.64rem;
  font-style: italic;
  letter-spacing: 0.08em;
}

.wishlist__text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.wishlist__text b {
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.045em;
}

.wishlist__text small {
  color: var(--faint);
  font-size: 0.66rem;
  letter-spacing: 0.05em;
}

.wishlist__arrow {
  color: rgba(255, 206, 220, 0.35);
  font-size: 0.75rem;
  transition: color 0.3s ease, transform 0.3s ease;
}

.wishlist li:hover .wishlist__arrow {
  color: var(--gold);
  transform: translate(2px, -2px);
}

.future-note {
  margin: 28px 0 0;
  padding-left: 18px;
  border-left: 1px solid rgba(255, 184, 202, 0.35);
  color: rgba(255, 235, 245, 0.48);
  font-family: var(--script);
  font-size: 0.87rem;
  line-height: 1.9;
  letter-spacing: 0.04em;
}

/* ---------- finale ---------- */

.finale {
  padding-bottom: clamp(112px, 18vh, 210px);
}

.proposal {
  position: relative;
  max-width: 980px;
  margin: 0 auto;
  padding: clamp(52px, 8vw, 92px) clamp(22px, 6vw, 74px);
  overflow: hidden;
  border: 1px solid rgba(255, 203, 221, 0.15);
  border-radius: clamp(26px, 4vw, 38px);
  text-align: center;
  background:
    radial-gradient(ellipse at 50% -8%, rgba(255, 88, 136, 0.14), transparent 56%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.064), rgba(255, 255, 255, 0.018));
  box-shadow:
    0 40px 120px rgba(0, 0, 0, 0.36),
    inset 0 1px 0 rgba(255, 255, 255, 0.13);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.proposal::before,
.proposal::after {
  position: absolute;
  width: 50px;
  height: 50px;
  content: "";
  border-color: rgba(255, 215, 185, 0.3);
  border-style: solid;
  pointer-events: none;
}

.proposal::before {
  top: 20px;
  left: 20px;
  border-width: 1px 0 0 1px;
}

.proposal::after {
  right: 20px;
  bottom: 20px;
  border-width: 0 1px 1px 0;
}

.proposal__heart {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(80%, 610px);
  opacity: 0.52;
  transform: translate(-50%, -50%);
  pointer-events: none;
  animation: proposalHeart 7s ease-in-out infinite;
}

.proposal__heart svg {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 0 30px rgba(255, 94, 140, 0.12));
}

.proposal h2 {
  position: relative;
  z-index: 1;
  margin-top: 4px;
  font-size: clamp(2rem, 4.7vw, 3.7rem);
}

.proposal h2 em {
  font-size: 1.02em;
}

.proposal__lead {
  position: relative;
  z-index: 1;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 2;
  letter-spacing: 0.06em;
}

.proposal__actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 13px;
  margin-top: 34px;
}

.proposal__actions .btn--primary {
  min-width: 190px;
}

.proposal__note {
  position: relative;
  z-index: 1;
  margin: 28px 0 0;
  color: rgba(255, 235, 245, 0.33);
  font-size: 0.63rem;
  letter-spacing: 0.09em;
}

/* ---------- footer ---------- */

.site-footer {
  position: relative;
  z-index: 3;
  padding: 42px var(--pad) 56px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
  background: linear-gradient(to bottom, rgba(7, 3, 13, 0), rgba(7, 3, 13, 0.55));
}

.site-footer__heart {
  display: grid;
  width: 34px;
  height: 34px;
  margin: 0 auto 18px;
  place-items: center;
  border: 1px solid rgba(255, 210, 190, 0.18);
  border-radius: 50%;
}

.site-footer__heart svg {
  width: 13px;
  height: auto;
  filter: drop-shadow(0 0 7px rgba(255, 114, 151, 0.35));
}

.site-footer__line {
  margin: 0;
  color: rgba(255, 235, 245, 0.5);
  font-family: var(--script);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
}

.site-footer__meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 13px;
  margin-top: 17px;
  color: rgba(255, 235, 245, 0.25);
  font-family: var(--display);
  font-size: 0.48rem;
  letter-spacing: 0.25em;
}

.site-footer__meta i {
  width: 20px;
  height: 1px;
  background: rgba(255, 255, 255, 0.16);
}

/* ---------- yes overlay ---------- */

.yes-overlay {
  position: fixed;
  z-index: 120;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(30px, 6vw, 70px) 22px;
  overflow-x: hidden;
  overflow-y: auto;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.65s ease, visibility 0s linear 0.65s;
}

.yes-overlay.is-open {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transition: opacity 0.65s ease, visibility 0s;
}

.yes-overlay__bg {
  position: absolute;
  z-index: 0;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 38%, #4e1134 0%, #260b1f 35%, #100512 66%, #050208 100%);
}

.yes-overlay__bg::before {
  position: absolute;
  inset: 0;
  content: "";
  opacity: 0.8;
  background-image:
    radial-gradient(1px 1px at 15% 18%, rgba(255, 231, 240, 0.8), transparent),
    radial-gradient(1px 1px at 78% 12%, rgba(255, 213, 184, 0.7), transparent),
    radial-gradient(1.5px 1.5px at 35% 74%, rgba(255, 196, 220, 0.65), transparent),
    radial-gradient(1px 1px at 88% 64%, rgba(215, 188, 255, 0.7), transparent),
    radial-gradient(1px 1px at 65% 36%, rgba(255, 244, 224, 0.55), transparent),
    radial-gradient(1px 1px at 9% 57%, rgba(255, 214, 226, 0.5), transparent);
  background-size: 420px 420px, 510px 510px, 390px 390px, 470px 470px, 330px 330px, 560px 560px;
  animation: yesStars 22s linear infinite;
}

.yes-overlay__bg::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(120vw, 1000px);
  aspect-ratio: 1;
  content: "";
  border: 1px solid rgba(255, 197, 218, 0.09);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow:
    0 0 0 90px rgba(255, 197, 218, 0.018),
    0 0 0 180px rgba(255, 197, 218, 0.01);
  pointer-events: none;
}

.fx-canvas {
  position: absolute;
  z-index: 1;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.yes-overlay__close {
  position: fixed;
  z-index: 4;
}

.yes-content {
  position: relative;
  z-index: 2;
  width: min(800px, 100%);
  margin: auto;
  text-align: center;
  opacity: 0;
  transform: translateY(34px) scale(0.975);
  transition: opacity 1s var(--ease-out) 0.18s, transform 1s var(--ease-out) 0.18s;
}

.yes-overlay.is-open .yes-content {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.yes-heart {
  position: relative;
  display: grid;
  width: clamp(96px, 13vw, 132px);
  aspect-ratio: 1;
  margin: 0 auto clamp(26px, 4vw, 38px);
  place-items: center;
}

.yes-heart::before {
  position: absolute;
  inset: -22%;
  content: "";
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 105, 151, 0.28), transparent 68%);
  filter: blur(16px);
  animation: haloBreathe 3.4s ease-in-out infinite;
}

.yes-heart__ring {
  position: absolute;
  inset: -9px;
  border: 1px solid rgba(255, 210, 226, 0.22);
  border-radius: 50%;
  animation: spin 18s linear infinite;
}

.yes-heart__ring::before {
  position: absolute;
  top: -3px;
  left: 50%;
  width: 5px;
  height: 5px;
  content: "";
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 12px var(--gold);
  transform: translateX(-50%);
}

.yes-heart svg {
  position: relative;
  z-index: 1;
  width: 82%;
  filter: drop-shadow(0 0 24px rgba(255, 100, 150, 0.55));
  animation: heartbeat 2.2s ease-in-out infinite;
}

.yes-kicker {
  margin: 0 0 18px;
  color: rgba(255, 235, 245, 0.46);
  font-family: var(--display);
  font-size: 0.58rem;
  letter-spacing: 0.32em;
}

.yes-content h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2rem, 4.8vw, 3.6rem);
  font-weight: 600;
  line-height: 1.42;
  letter-spacing: 0.055em;
}

.yes-content h2 span {
  color: transparent;
  background: linear-gradient(100deg, #ffe4bb 0%, #ff9ebd 45%, #d8b2ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
}

.yes-lead {
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(0.82rem, 1.4vw, 0.96rem);
  letter-spacing: 0.09em;
  line-height: 1.9;
}

.yes-love {
  margin: clamp(24px, 4vw, 42px) 0 0;
  color: transparent;
  font-family: var(--script);
  font-size: clamp(2rem, 5.4vw, 3.6rem);
  letter-spacing: 0.04em;
  line-height: 1.3;
  background: linear-gradient(100deg, #ffe4bb 0%, #ff8caf 45%, #ffd3b4 100%);
  -webkit-background-clip: text;
  background-clip: text;
  filter: drop-shadow(0 0 24px rgba(255, 95, 145, 0.18));
}

.yes-sign {
  margin: 26px 0 0;
  color: rgba(255, 235, 245, 0.45);
  font-family: var(--script);
  font-size: 0.86rem;
  letter-spacing: 0.06em;
}

.yes-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 36px;
}

/* ---------- toast / misc ---------- */

.toast {
  position: fixed;
  z-index: 140;
  bottom: 30px;
  left: 50%;
  max-width: calc(100vw - 40px);
  padding: 13px 23px;
  border: 1px solid rgba(255, 196, 214, 0.24);
  border-radius: 999px;
  color: rgba(255, 247, 251, 0.9);
  background: rgba(27, 9, 24, 0.9);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 18px);
  transition: opacity 0.35s ease, transform 0.35s var(--ease-out);
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

.noscript-note {
  position: fixed;
  z-index: 999;
  right: 20px;
  bottom: 20px;
  left: 20px;
  padding: 15px 20px;
  border: 1px solid rgba(255, 196, 214, 0.3);
  border-radius: 14px;
  color: #fff;
  background: #230a1c;
  font-size: 0.82rem;
  text-align: center;
}

/* ---------- animations ---------- */

@keyframes floatBlob {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  100% {
    transform: translate3d(5vw, -4vh, 0) scale(1.12);
  }
}

@keyframes haloBreathe {
  0%,
  100% {
    opacity: 0.72;
    transform: translate(-50%, -50%) scale(0.98);
  }
  50% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.05);
  }
}

@keyframes statusPulse {
  0%,
  100% {
    opacity: 0.55;
    transform: scale(0.85);
  }
  50% {
    opacity: 1;
    transform: scale(1.15);
  }
}

@keyframes pulseRing {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 92, 139, 0.45);
  }
  70% {
    box-shadow: 0 0 0 9px rgba(255, 92, 139, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(255, 92, 139, 0);
  }
}

@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  100% {
    background-position: 100% 50%;
  }
}

@keyframes floatHeart {
  0%,
  100% {
    transform: translateY(0) rotate(-8deg);
    opacity: 0.65;
  }
  50% {
    transform: translateY(-10px) rotate(6deg);
    opacity: 1;
  }
}

@keyframes heartbeat {
  0%,
  100% {
    transform: scale(1);
  }
  14% {
    transform: scale(1.12);
  }
  28% {
    transform: scale(1);
  }
  42% {
    transform: scale(1.07);
  }
  56% {
    transform: scale(1);
  }
}

@keyframes scrollLine {
  0% {
    transform: translateY(0);
    opacity: 0;
  }
  18% {
    opacity: 1;
  }
  80% {
    opacity: 1;
  }
  100% {
    transform: translateY(290%);
    opacity: 0;
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes spinReverse {
  to {
    transform: rotate(-360deg);
  }
}

@keyframes equalize {
  0% {
    height: 3px;
  }
  100% {
    height: 14px;
  }
}

@keyframes coreBreathe {
  0%,
  100% {
    box-shadow: 0 0 60px rgba(255, 90, 140, 0.16), inset 0 0 32px rgba(255, 120, 160, 0.07);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 0 82px rgba(255, 90, 140, 0.24), inset 0 0 38px rgba(255, 120, 160, 0.11);
    transform: scale(1.025);
  }
}

@keyframes starTwinkle {
  0%,
  100% {
    opacity: 0.35;
    transform: scale(0.82) rotate(0deg);
  }
  50% {
    opacity: 1;
    transform: scale(1.12) rotate(12deg);
  }
}

@keyframes proposalHeart {
  0%,
  100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.43;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.035);
    opacity: 0.62;
  }
}

@keyframes petalFall {
  0% {
    opacity: 0;
    transform: translate3d(0, -8vh, 0) rotate(0deg);
  }
  9% {
    opacity: 0.72;
  }
  80% {
    opacity: 0.52;
  }
  100% {
    opacity: 0;
    transform: translate3d(var(--drift, 40px), 112vh, 0) rotate(760deg);
  }
}

@keyframes paperIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes yesStars {
  to {
    background-position: 420px 420px, -510px 510px, 390px -390px, -470px -470px, 330px 330px, -560px 560px;
  }
}

/* ---------- responsive ---------- */

@media (max-width: 1060px) {
  .reason-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .reason-card:last-of-type {
    grid-column: 1 / -1;
  }

  .reason-card:last-of-type {
    min-height: 300px;
  }

  .future-grid {
    gap: 48px;
  }
}

@media (max-width: 860px) {
  .future-grid {
    grid-template-columns: 1fr;
    gap: 56px;
  }

  .orbit {
    width: min(88vw, 440px);
  }

  .future-copy {
    max-width: 640px;
    margin: 0 auto;
  }

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

  .reason-card,
  .reason-card:last-of-type {
    grid-column: auto;
    min-height: 300px;
  }

  .reason-card__icon {
    margin-top: 38px;
  }

  .reason-quote {
    grid-column: auto;
  }
}

@media (max-width: 720px) {
  .site-header {
    padding-top: 17px;
    padding-bottom: 17px;
  }

  .site-header.is-scrolled {
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .brand__mark {
    width: 34px;
    height: 34px;
    font-size: 1rem;
  }

  .brand__word {
    font-size: 0.56rem;
  }

  .brand__word small {
    font-size: 0.42rem;
  }

  .only-you {
    display: none;
  }

  .music-btn {
    min-height: 36px;
    padding: 6px 12px;
  }

  .music-btn__label {
    font-size: 0.55rem;
  }

  .hero {
    padding-top: 104px;
    padding-bottom: 78px;
  }

  .hero__heart {
    top: 43%;
    width: 126vw;
    opacity: 0.78;
  }

  .hero__eyebrow {
    font-size: 0.52rem;
    letter-spacing: 0.22em;
    text-indent: 0.22em;
  }

  .hero__number {
    font-size: clamp(8.1rem, 31vw, 13rem);
  }

  .hero h1 {
    margin-top: 27px;
    font-size: clamp(1.55rem, 6.7vw, 2.3rem);
    line-height: 1.48;
  }

  .hero__lead {
    margin-top: 16px;
    font-size: 0.78rem;
    line-height: 2;
  }

  .mobile-br {
    display: block;
  }

  .hero__actions {
    flex-direction: column;
    gap: 11px;
    width: 100%;
    margin-top: 27px;
  }

  .hero__actions .btn {
    width: min(100%, 300px);
  }

  .hero__meta {
    gap: 9px 16px;
    margin-top: 28px;
    font-size: 0.53rem;
  }

  .hero__meta > span + span::before {
    margin-right: 8px;
  }

  .scroll-cue {
    bottom: 14px;
    gap: 8px;
    font-size: 0.44rem;
  }

  .scroll-cue i {
    height: 38px;
  }

  .section {
    padding: 92px 0;
  }

  .section-heading {
    margin-bottom: 42px;
  }

  .section-kicker {
    gap: 9px;
    margin-bottom: 15px;
    font-size: 0.52rem;
    letter-spacing: 0.21em;
  }

  .section-kicker > i {
    width: 24px;
  }

  .section-heading h2,
  .future-copy h2,
  .proposal h2 {
    font-size: clamp(1.72rem, 7.3vw, 2.5rem);
  }

  .section-heading p {
    margin-top: 13px;
    font-size: 0.76rem;
  }

  .envelope {
    width: min(91vw, 520px);
  }

  .envelope__letter {
    padding: 14px 19px;
  }

  .envelope__to {
    font-size: 0.9rem;
  }

  .envelope__snippet {
    font-size: 0.62rem;
  }

  .envelope__line {
    margin: 7px 0 8px;
  }

  .envelope-hint {
    margin-top: 25px;
    font-size: 0.58rem;
  }

  .envelope-orbit {
    width: 118vw;
  }

  .reason-card {
    min-height: 290px;
    padding: 25px 22px;
    border-radius: 21px;
  }

  .reason-card__icon {
    width: 54px;
    height: 54px;
    margin: 32px 0 22px;
  }

  .reason-card__icon svg {
    width: 27px;
    height: 27px;
  }

  .reason-card h3 {
    font-size: 1.36rem;
  }

  .reason-card p {
    font-size: 0.76rem;
  }

  .reason-quote {
    gap: 18px;
    padding: 30px 20px 30px 52px;
  }

  .reason-quote::before {
    top: -6px;
    left: 6px;
    font-size: 6rem;
  }

  .reason-quote p {
    font-size: clamp(1.2rem, 5vw, 1.55rem);
  }

  .reason-quote > span {
    font-size: 0.42rem;
  }

  .future-copy__lead {
    margin-top: 18px;
    font-size: 0.8rem;
  }

  .wishlist {
    margin-top: 26px;
  }

  .wishlist li {
    grid-template-columns: 30px minmax(0, 1fr) 16px;
    gap: 10px;
    padding: 14px 2px;
  }

  .wishlist__text b {
    font-size: 0.83rem;
  }

  .wishlist__text small {
    font-size: 0.61rem;
  }

  .future-note {
    font-size: 0.8rem;
  }

  .proposal {
    padding: 54px 20px;
    border-radius: 26px;
  }

  .proposal::before,
  .proposal::after {
    width: 30px;
    height: 30px;
  }

  .proposal::before {
    top: 13px;
    left: 13px;
  }

  .proposal::after {
    right: 13px;
    bottom: 13px;
  }

  .proposal__lead {
    font-size: 0.8rem;
  }

  .proposal__actions {
    flex-direction: column;
    gap: 10px;
    margin-top: 27px;
  }

  .proposal__actions .btn {
    width: min(100%, 300px);
  }

  .proposal__note {
    margin-top: 22px;
    font-size: 0.58rem;
  }

  .site-footer {
    padding-bottom: 42px;
  }

  .site-footer__line {
    font-size: 0.8rem;
  }

  .letter-modal {
    padding: 10px;
  }

  .letter-modal__close,
  .yes-overlay__close {
    top: 12px;
    right: 12px;
    width: 40px;
    height: 40px;
  }

  .letter-paper {
    max-height: 91vh;
    max-height: 91svh;
    padding: 34px 25px 39px;
  }

  .letter-paper::before {
    left: 9px;
  }

  .letter-paper__meta {
    margin-bottom: 30px;
    font-size: 0.45rem;
  }

  .letter-paper__stamp {
    top: 82px;
    right: 24px;
    width: 56px;
    padding: 6px 4px;
    opacity: 0.64;
  }

  .letter-paper__stamp b {
    font-size: 1.05rem;
  }

  .letter-paper h3 {
    margin-bottom: 20px;
    font-size: 1.5rem;
  }

  .letter-paper p {
    font-size: 0.91rem;
    line-height: 2;
    text-align: left;
  }

  .letter-paper__sign {
    margin-top: 26px;
  }

  .letter-paper__ps {
    margin-top: 26px !important;
  }

  .letter-paper__seal {
    width: 36px;
    height: 36px;
  }

  .yes-overlay {
    padding: 74px 20px 40px;
  }

  .yes-content h2 {
    font-size: clamp(1.85rem, 7.8vw, 2.6rem);
  }

  .yes-love {
    font-size: clamp(1.9rem, 8.8vw, 2.8rem);
  }

  .yes-actions {
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }

  .yes-actions .btn {
    width: min(100%, 290px);
  }

  .toast {
    bottom: 18px;
    padding: 12px 18px;
    font-size: 0.72rem;
  }
}

@media (max-width: 400px) {
  .hero__meta > span:last-child {
    display: none;
  }

  .hero__number {
    font-size: 8.3rem;
  }

  .envelope {
    width: 92vw;
  }

  .envelope__snippet {
    font-size: 0.56rem;
  }

  .envelope__seal {
    width: 54px;
    height: 54px;
  }

  .envelope__seal small {
    font-size: 0.42rem;
  }

  .reason-quote > span {
    display: none;
  }

  .reason-quote {
    padding-right: 16px;
  }

  .letter-paper__stamp {
    display: none;
  }
}

/* ---------- reduced motion ---------- */

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .petals,
  .cursor-glow {
    display: none;
  }
}