:root {
  --ink: #2f4038;
  --ink-soft: #6f7d72;
  --sand: #f4ead6;
  --paper: #faf3e4;
  --line: #d8c9a3;
  --gold: #a9824a;
  --gold-dark: #8a683a;
  --success: #5f7d5a;
  --decline: #a85c4e;

  --sky-top: #3e3f63;
  --sky-mid: #8c6a86;
  --sky-horizon: #e2996a;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

body {
  margin: 0;
  font-family: 'Jost', sans-serif;
  color: var(--ink);
  background: var(--sand);
  overflow-x: hidden;
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sky {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--sky-top) 0%, var(--sky-mid) 46%, var(--sky-horizon) 80%, #f0b384 100%);
}

.stars {
  position: absolute;
  inset: 0 0 55% 0;
  opacity: 0.65;
  background-image:
    radial-gradient(1.5px 1.5px at 10% 22%, #fff, transparent),
    radial-gradient(1.5px 1.5px at 30% 12%, #fff, transparent),
    radial-gradient(1px 1px at 50% 28%, #fff, transparent),
    radial-gradient(1.5px 1.5px at 70% 16%, #fff, transparent),
    radial-gradient(1px 1px at 85% 32%, #fff, transparent),
    radial-gradient(1.5px 1.5px at 20% 42%, #fff, transparent),
    radial-gradient(1px 1px at 60% 8%, #fff, transparent),
    radial-gradient(1px 1px at 40% 34%, #fff, transparent);
}

.moon {
  position: absolute;
  top: 12%;
  right: 15%;
  width: 44px;
  height: 44px;
  z-index: 1;
  filter: drop-shadow(0 0 14px rgba(251, 244, 228, 0.55));
  animation: float-moon 8s ease-in-out infinite;
}

@keyframes float-moon {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.palms {
  position: absolute;
  bottom: 6%;
  width: 150px;
  height: auto;
  z-index: 2;
  opacity: 0.95;
}

.palms-left { left: -20px; }
.palms-right { right: -20px; }

.hero-copy {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: 0 1.5rem;
  color: #fbf4e4;
  opacity: var(--hero-fade, 1);
  transform: translateY(calc(var(--hero-rise, 0) * -1px));
}

.bismillah {
  font-family: 'Amiri', serif;
  font-weight: 700;
  font-size: clamp(1.7rem, 5.5vw, 2.4rem);
  margin: 0 0 1rem;
  color: #fdf7ea;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.35);
}

.hero-copy .eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.32em;
  font-size: 0.68rem;
  color: #f2d9b8;
  margin: 0 0 1rem;
}

.couple-names {
  font-family: 'Parisienne', cursive;
  font-weight: 400;
  font-size: clamp(2.8rem, 9vw, 4.6rem);
  margin: 0;
  line-height: 1.2;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

.couple-names .amp {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 0.65em;
  color: #f2d9b8;
  margin: 0 0.18em;
}

.waves {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 34vh;
  min-height: 190px;
  z-index: 4;
}

.wave {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.wave-back {
  opacity: 0.85;
  transform: translateY(calc(var(--wave-shift, 0px) * 0.35));
}

.wave-mid {
  opacity: 0.92;
  transform: translateY(calc(var(--wave-shift, 0px) * 0.65));
}

.wave-front {
  opacity: 1;
  transform: translateY(var(--wave-shift, 0px));
}

.scroll-cue {
  position: absolute;
  bottom: 5%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  color: #fbf4e4;
  opacity: calc(0.85 * var(--hero-fade, 1));
  animation: cue-bounce 1.8s ease-in-out infinite;
  display: inline-flex;
}

@keyframes cue-bounce {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 8px); }
}

/* ---------- Content ---------- */

.page {
  position: relative;
  z-index: 1;
  background-color: var(--sand);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix type='matrix' values='0 0 0 0 0.55  0 0 0 0 0.47  0 0 0 0 0.32  0 0 0 0.06 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  padding: 4.5rem 1.5rem 6rem;
}

.details {
  max-width: 520px;
  margin: 0 auto 2.75rem;
  text-align: center;
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.details .divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin: 0 0 1.1rem;
  color: var(--gold);
}

.details .divider span {
  width: 44px;
  height: 1px;
  background: var(--line);
}

.date {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 600;
  font-size: 1.7rem;
  letter-spacing: 0.06em;
  margin: 0 0 0.4rem;
  color: var(--ink);
}

.venue {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.76rem;
  color: var(--ink-soft);
  margin: 0;
}

.card {
  max-width: 480px;
  margin: 0 auto;
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 2.75rem 2.25rem;
  box-shadow: 0 30px 60px -30px rgba(47, 64, 56, 0.3);
  text-align: left;
  position: relative;
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.card::before {
  content: '';
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(169, 130, 74, 0.35);
  pointer-events: none;
}

.rsvp-form h2,
.success-state h2 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 600;
  font-size: 1.55rem;
  text-align: center;
  letter-spacing: 0.02em;
  margin: 0 0 1.75rem;
  color: var(--ink);
}

.field {
  margin-bottom: 1.3rem;
}

.field label {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 0.4rem;
}

.field .hint {
  text-transform: none;
  letter-spacing: 0;
  font-size: 0.78rem;
}

.rsvp-form input[type="text"],
.rsvp-form input[type="tel"],
.rsvp-form input[type="number"] {
  width: 100%;
  padding: 0.75rem 0.9rem;
  font-family: inherit;
  font-size: 1rem;
  color: var(--ink);
  border: 1px solid var(--line);
  background: #fffdf6;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.rsvp-form input:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(169, 130, 74, 0.18);
}

#submit-btn,
#manage-find-btn,
#manage-update-btn {
  width: 100%;
  margin-top: 0.5rem;
  padding: 0.9rem;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #fffdf6;
  border: none;
  font-family: 'Jost', sans-serif;
  font-size: 1rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  box-shadow: 0 14px 28px -12px rgba(138, 104, 58, 0.55);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

#submit-btn:hover,
#manage-find-btn:hover,
#manage-update-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 32px -12px rgba(138, 104, 58, 0.6);
}

#submit-btn:disabled,
#manage-find-btn:disabled,
#manage-update-btn:disabled {
  opacity: 0.75;
  cursor: default;
  transform: none;
}

.manage-toggle {
  display: block;
  margin: 2rem auto 0;
  background: none;
  border: none;
  color: var(--gold-dark);
  font-family: 'Jost', sans-serif;
  font-size: 0.9rem;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}

.manage-card {
  margin-top: 1.5rem;
  opacity: 1;
  transform: none;
  animation: rise 0.4s ease both;
}

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

.manage-actions {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 0.5rem;
}

.manage-actions #manage-update-btn {
  margin-top: 0;
}

#manage-cancel-btn {
  width: 100%;
  padding: 0.85rem;
  background: none;
  border: 1.5px solid var(--decline);
  color: var(--decline);
  font-family: 'Jost', sans-serif;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.15s ease;
}

#manage-cancel-btn:hover {
  background: rgba(168, 92, 78, 0.08);
}

.manage-back {
  display: block;
  margin: 1rem auto 0;
  background: none;
  border: none;
  color: var(--ink-soft);
  font-family: 'Jost', sans-serif;
  font-size: 0.85rem;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}

.btn-spinner {
  width: 15px;
  height: 15px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-top-color: white;
  display: none;
  animation: spin 0.7s linear infinite;
}

#submit-btn.loading .btn-spinner,
#manage-find-btn.loading .btn-spinner,
#manage-update-btn.loading .btn-spinner { display: inline-block; }

#submit-btn.loading .btn-text,
#manage-find-btn.loading .btn-text,
#manage-update-btn.loading .btn-text { opacity: 0.8; }

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

.form-error {
  color: var(--decline);
  font-size: 0.85rem;
  text-align: center;
  margin: 0.9rem 0 0;
  min-height: 1em;
}

.success-state {
  text-align: center;
  padding: 0.5rem 0 1rem;
  animation: rise 0.5s ease both;
}

.success-state p {
  color: var(--ink-soft);
  line-height: 1.5;
  margin: 0.5rem auto 0;
  max-width: 32ch;
}

.check {
  color: var(--success);
  margin-bottom: 0.5rem;
}

.check circle {
  stroke: var(--success);
  stroke-width: 2;
  stroke-dasharray: 166;
  stroke-dashoffset: 166;
  animation: draw-circle 0.5s ease forwards;
}

.check path {
  stroke: var(--success);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 48;
  stroke-dashoffset: 48;
  animation: draw-check 0.35s 0.45s ease forwards;
}

@keyframes draw-circle {
  to { stroke-dashoffset: 0; }
}

@keyframes draw-check {
  to { stroke-dashoffset: 0; }
}

@media (max-width: 480px) {
  .card { padding: 2.25rem 1.5rem; }
  .palms { width: 105px; }
  .moon { width: 34px; height: 34px; }
}

@media (prefers-reduced-motion: reduce) {
  .moon,
  .scroll-cue {
    animation: none;
  }
  .details,
  .card {
    transition: none;
  }
}