:root {
  --pink: #f7a8cf;
  --pink-soft: #fde2ee;
  --lavender: #d9c6f5;
  --lavender-soft: #f0e8fc;
  --blue: #bfe3fb;
  --cream: #fff8ee;
  --purple: #8a62c9;
  --purple-deep: #5b3a94;
  --ink: #4a3a63;
  --error: #b3345f;
  --radius: 28px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Quicksand", system-ui, sans-serif;
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% 10%, var(--pink-soft) 0, transparent 40%),
    radial-gradient(circle at 90% 30%, var(--blue) 0, transparent 35%),
    radial-gradient(circle at 20% 90%, var(--lavender-soft) 0, transparent 45%),
    var(--cream);
  background-attachment: fixed;
}

h1, h2 {
  font-family: "Playfair Display", Georgia, serif;
  font-style: italic;
  font-weight: 700;
  color: var(--purple-deep);
  line-height: 1.15;
  margin: 0;
}

.skip {
  position: absolute; left: -999px; top: 0;
  background: var(--purple-deep); color: #fff; padding: .6rem 1rem; border-radius: 0 0 12px 0; z-index: 10;
}
.skip:focus { left: 0; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  place-items: center;
  padding: 4rem 1.25rem;
  overflow: hidden;
  text-align: center;
}
.hero-inner { position: relative; z-index: 1; max-width: 640px; }
.hero h1 { font-size: clamp(2.6rem, 9vw, 5rem); margin: 1rem 0 .75rem; text-shadow: 0 3px 0 #fff, 0 8px 24px rgba(247,168,207,.6); }
.subtitle { font-size: clamp(1.1rem, 3.2vw, 1.4rem); margin: 0 0 2rem; font-weight: 500; }
.envelope { width: 120px; height: auto; filter: drop-shadow(0 8px 12px rgba(138,98,201,.25)); animation: bob 4s ease-in-out infinite; }

.floaters .f { position: absolute; color: var(--pink); font-size: 2rem; opacity: .75; animation: drift 9s ease-in-out infinite; }
.f1 { top: 10%; left: 8%; } .f2 { top: 18%; right: 12%; color: var(--lavender); animation-delay: -2s; }
.f3 { top: 60%; left: 12%; font-size: 3rem; animation-delay: -4s; } .f4 { top: 70%; right: 10%; color: #8cc9f0; animation-delay: -1s; }
.f5 { top: 8%; left: 48%; animation-delay: -3s; } .f6 { top: 82%; left: 46%; animation-delay: -5s; }
.f7 { top: 40%; right: 5%; color: var(--purple); animation-delay: -6s; font-size: 1.4rem; } .f8 { top: 42%; left: 4%; color: #8cc9f0; animation-delay: -7s; font-size: 1.4rem; }

@keyframes drift { 0%, 100% { transform: translateY(0) rotate(-6deg); } 50% { transform: translateY(-18px) rotate(6deg); } }
@keyframes bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  font: inherit; font-weight: 700; font-size: 1.1rem; color: #fff; text-decoration: none;
  background: linear-gradient(135deg, #f58cc0, var(--purple));
  border: 0; border-radius: 999px; padding: .95rem 2.2rem; cursor: pointer;
  box-shadow: 0 6px 0 #b86ab0, 0 12px 24px rgba(138,98,201,.3);
  transition: transform .15s, box-shadow .15s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 8px 0 #b86ab0, 0 16px 28px rgba(138,98,201,.35); }
.btn:active { transform: translateY(4px); box-shadow: 0 2px 0 #b86ab0; }
.btn:disabled { cursor: not-allowed; opacity: .75; transform: none; }

/* ---------- Card ---------- */
main { padding: 0 1rem 4rem; }
.card {
  position: relative;
  max-width: 680px; margin: 0 auto 2rem;
  background: rgba(255,255,255,.88);
  border: 3px solid #fff;
  outline: 3px dashed var(--lavender);
  outline-offset: -12px;
  border-radius: var(--radius);
  padding: 2.75rem clamp(1.5rem, 5vw, 3rem);
  box-shadow: 0 20px 50px rgba(138,98,201,.18);
}
.card[hidden] { display: none; }
.bow { position: absolute; top: -22px; left: 50%; transform: translateX(-50%); font-size: 2.4rem; }
.card h2 { font-size: clamp(1.8rem, 5vw, 2.4rem); text-align: center; }
.lead { text-align: center; margin: .5rem 0 1.75rem; }
.req { color: #e0568f; font-weight: 700; }

/* ---------- Form ---------- */
.field { margin: 0 0 1.5rem; padding: 0; border: 0; min-width: 0; }
label, legend { display: block; font-weight: 700; margin-bottom: .5rem; padding: 0; color: var(--purple-deep); }
.num {
  display: inline-grid; place-items: center; width: 1.7rem; height: 1.7rem; margin-right: .4rem;
  background: var(--pink-soft); color: #c2417f; border-radius: 50%; font-size: .9rem;
}
input[type="text"], input[type="number"], textarea {
  width: 100%; font: inherit; color: var(--ink);
  background: var(--cream); border: 2px solid var(--lavender); border-radius: 18px;
  padding: .8rem 1rem; transition: border-color .2s, box-shadow .2s, background .2s;
}
textarea { resize: vertical; min-height: 130px; }
input::placeholder, textarea::placeholder { color: #9a8bb3; }
input:hover, textarea:hover { border-color: var(--pink); }
input:focus-visible, textarea:focus-visible { outline: none; border-color: var(--purple); box-shadow: 0 0 0 4px rgba(138,98,201,.22); background: #fff; }
.invalid { border-color: var(--error) !important; background: #fff4f7 !important; }
.hint { margin: .35rem .25rem 0; font-size: .9rem; opacity: .8; }

.choices { display: grid; grid-template-columns: repeat(2, 1fr); gap: .75rem; }
.choice { margin: 0; position: relative; cursor: pointer; }
.choice input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.choice span {
  display: block; text-align: center; padding: .8rem .5rem; font-weight: 600;
  background: var(--lavender-soft); border: 2px solid var(--lavender); border-radius: 18px;
  transition: transform .15s, background .2s, border-color .2s;
}
.choice:hover span { transform: translateY(-2px); border-color: var(--pink); }
.choice input:checked + span { background: var(--pink-soft); border-color: #e0568f; color: #a02a63; }
.choice input:checked + span::before { content: "♡ "; }
.choice input:focus-visible + span { box-shadow: 0 0 0 4px rgba(138,98,201,.35); }

.trap { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.turnstile { display: flex; justify-content: center; margin: 1.25rem 0; min-height: 65px; }
.privacy { font-size: .9rem; background: var(--lavender-soft); border-radius: 16px; padding: .85rem 1rem; margin: 0 0 1.25rem; }
.error { background: #ffe3ec; color: var(--error); border-radius: 14px; padding: .8rem 1rem; font-weight: 600; margin: 0 0 1.25rem; }
.error[hidden] { display: none; }

.btn-submit { width: 100%; }
.spinner { display: none; width: 1.2rem; height: 1.2rem; border: 3px solid rgba(255,255,255,.5); border-top-color: #fff; border-radius: 50%; animation: spin .8s linear infinite; }
.btn-submit.loading .spinner { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Success ---------- */
.success { text-align: center; }
.success:focus { outline: 3px dashed var(--lavender); }
.burst { position: relative; height: 110px; margin-bottom: .5rem; }
.big-heart { display: inline-block; font-size: 4.5rem; animation: pop .9s cubic-bezier(.2,1.6,.4,1) both, beat 1.6s 1s ease-in-out infinite; }
.sp { position: absolute; color: var(--purple); font-size: 1.6rem; animation: twinkle 1.8s ease-in-out infinite; }
.s1 { left: 28%; top: 10px; } .s2 { right: 28%; top: 20px; color: #8cc9f0; animation-delay: -.6s; }
.s3 { left: 32%; bottom: 8px; color: var(--pink); animation-delay: -1.1s; } .s4 { right: 32%; bottom: 0; color: #e0568f; animation-delay: -.3s; }
.app-id {
  display: inline-block; font-family: ui-monospace, "SF Mono", Menlo, monospace; font-weight: 700; letter-spacing: .08em;
  font-size: clamp(1.4rem, 6vw, 2rem); color: var(--purple-deep);
  background: var(--lavender-soft); border: 2px dashed var(--purple); border-radius: 18px; padding: .5rem 1.25rem; margin: 0 0 1.25rem;
}
@keyframes pop { from { transform: scale(0) rotate(-20deg); } to { transform: scale(1) rotate(0); } }
@keyframes beat { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.12); } }
@keyframes twinkle { 0%, 100% { opacity: .3; transform: scale(.8); } 50% { opacity: 1; transform: scale(1.2); } }

/* ---------- Footer ---------- */
footer { text-align: center; padding: 2rem 1rem 3rem; color: var(--purple-deep); }
footer p { margin: 0 0 .4rem; }
.deco { color: var(--pink); font-size: 1.4rem; letter-spacing: .3em; }

@media (max-width: 480px) {
  .choices { grid-template-columns: 1fr; }
  .card { outline-offset: -8px; padding-top: 2.5rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}