/* ==========================================================================
   invite.html — envelope landing page + RSVP form
   Builds on the tokens in style.css. Standalone: no main site nav.
   ========================================================================== */

.invite-page { background: var(--cream); }

/* ---------- Corner link & floating nav ---------- */
.corner-link {
  position: fixed; top: 1rem; left: 1rem; z-index: 60;
  font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-soft);
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-pill);
  background: rgba(245, 235, 221, 0.75);
  transition: opacity var(--transition), visibility var(--transition);
}
.corner-link:hover { color: var(--rust); }
.is-opened .corner-link { opacity: 0; visibility: hidden; }

.float-nav {
  position: fixed; top: 0.75rem; left: 50%; z-index: 70;
  display: flex; align-items: center; gap: 1.25rem;
  padding: 0.45rem 0.6rem 0.45rem 1.2rem;
  background: rgba(255, 253, 249, 0.92);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border: var(--border-soft);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-soft);
  opacity: 0; visibility: hidden;
  transform: translate(-50%, -16px);
  transition: opacity 0.6s ease, transform 0.6s ease, visibility 0.6s;
  white-space: nowrap;
}
.is-revealed .float-nav { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.float-nav .nav-logo { font-size: 1.6rem; }
.float-nav a.back {
  font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase;
  padding: 0.5rem 1rem; border-radius: var(--radius-pill);
  border: 1px solid var(--bark); color: var(--bark);
}
.float-nav a.back:hover { background: var(--bark); color: var(--cream); }

/* ---------- Stage ---------- */
.stage {
  /* Envelope width is limited by viewport width AND height so the whole
     scene (card risen above envelope + prompt) always fits on screen */
  --env-w: min(90vw, 560px, max(270px, calc((100vh - 310px) / 1.12)));
  --env-w: min(90vw, 560px, max(270px, calc((100svh - 310px) / 1.12)));
  --env-h: calc(var(--env-w) / 1.5);
  --card-h: calc(var(--env-w) * 1.12);
  position: relative;
  min-height: 100vh; min-height: 100svh;
  display: flex; flex-direction: column; align-items: center; justify-content: flex-end;
  padding: 5rem 0 2.5rem;
  overflow: hidden;
  background: radial-gradient(ellipse at 50% 30%, var(--cream-light) 0%, var(--cream) 65%);
}
.stage .botanical { opacity: 0.22; }

.stage-intro {
  position: absolute; top: max(4.5rem, 14%); left: 0; right: 0;
  text-align: center; padding: 0 1rem;
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.stage-intro .eyebrow { margin-bottom: 0.3rem; }
.stage-intro h1 { font-family: var(--font-script); font-size: clamp(2.6rem, 9vw, 4.2rem); color: var(--bark); }
.stage-intro p { font-family: var(--font-heading); font-style: italic; font-size: 1.2rem; color: var(--text-soft); }
.is-opened .stage-intro { opacity: 0; transform: translateY(-20px); pointer-events: none; }

/* Room above the envelope for the rising card */
.envelope-area {
  position: relative;
  width: var(--env-w);
  margin-top: calc(var(--card-h) - var(--env-h) + 120px);
}

.envelope {
  position: relative;
  width: 100%;
  height: var(--env-h);
  perspective: 1200px;
  filter: drop-shadow(0 18px 30px rgba(74, 55, 40, 0.18));
}
/* Transparent click/tap target over the closed envelope */
.env-hit {
  position: absolute; inset: 0; z-index: 9;
  border: 0; padding: 0; background: transparent;
  cursor: pointer; border-radius: 6px;
  -webkit-tap-highlight-color: transparent;
}
.env-hit:focus-visible { outline: 2px solid var(--olive); outline-offset: 10px; }
.is-opened .env-hit { display: none; }

/* Back of envelope (with liner) */
.env-back {
  display: block;
  position: absolute; inset: 0; z-index: 1;
  border-radius: 6px;
  background: #E9D9C0;
  overflow: hidden;
}
.env-back svg { position: absolute; inset: 0; width: 100%; height: 100%; color: var(--olive); opacity: 0.35; }

/* Front pocket — V notch via clip-path */
.env-front {
  display: block;
  position: absolute; inset: 0; z-index: 3;
  border-radius: 6px;
  background: linear-gradient(170deg, #F8EFE2 0%, #EFE2CD 100%);
  clip-path: polygon(0 0, 50% 54%, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}
.env-front::before { /* subtle fold shadows */
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(to top right, transparent 49.6%, rgba(74, 55, 40, 0.10) 50%, transparent 50.6%),
    linear-gradient(to top left, transparent 49.6%, rgba(74, 55, 40, 0.10) 50%, transparent 50.6%);
}
.env-front .env-border {
  position: absolute; left: 4%; bottom: 17%; width: 92%; height: auto;
  color: var(--olive); opacity: 0.75;
}
.env-front .env-to {
  display: block;
  position: absolute; left: 0; right: 0; bottom: 5%;
  text-align: center;
  font-family: var(--font-heading); font-style: italic;
  font-size: clamp(0.85rem, calc(var(--env-w) * 0.032), 1.15rem);
  color: var(--bark); opacity: 0.8;
}

/* Flap */
.env-flap {
  display: block;
  position: absolute; left: 0; right: 0; top: 0; z-index: 5;
  height: 58%;
  transform-origin: top center;
  transform: rotateX(0deg);
  transform-style: preserve-3d;
  transition: transform 0.8s ease, z-index 0s linear 0.4s;
}
.env-flap::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, #F3E7D5 0%, #E6D4B8 100%);
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  border-radius: 6px 6px 0 0;
}
.is-opened .env-flap { transform: rotateX(180deg); z-index: 0; }

/* Wax seal */
.wax-seal {
  position: absolute; left: 50%; top: 100%; z-index: 6;
  width: clamp(78px, calc(var(--env-w) * 0.2), 112px);
  transform: translate(-50%, -62%);
  filter: drop-shadow(0 4px 6px rgba(74, 55, 40, 0.35));
  transition: opacity 0.35s ease, transform 0.45s ease;
}
.is-opened .wax-seal { opacity: 0; transform: translate(-50%, -62%) scale(0.6) rotate(-20deg); }

/* Prompt */
.tap-prompt {
  margin-top: 1.6rem;
  text-align: center;
  font-family: var(--font-heading); font-style: italic;
  font-size: 1.25rem; color: var(--bark);
  animation: promptPulse 2.4s ease-in-out infinite;
  transition: opacity 0.4s ease;
}
.is-opened .tap-prompt { opacity: 0; animation: none; }
@keyframes promptPulse { 0%, 100% { opacity: 0.45; } 50% { opacity: 1; } }
.skip-anim {
  display: block; margin: 0.6rem auto 0;
  background: none; border: 0; cursor: pointer;
  font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-soft);
  text-decoration: underline; text-underline-offset: 3px;
}
.is-opened .skip-anim { visibility: hidden; }

/* Invitation card */
.invite-card {
  position: absolute; z-index: 2;
  left: 5%; right: 5%; bottom: 5%;
  min-height: var(--card-h); /* grows if text needs more room on tiny screens */
  padding: 6% 7% 5%;
  background: var(--white);
  border-radius: 4px;
  box-shadow: 0 10px 30px rgba(74, 55, 40, 0.16);
  text-align: center;
  color: var(--bark);
  font-family: var(--font-heading); font-style: italic;
  font-size: clamp(0.75rem, calc(var(--env-w) * 0.036), 1.2rem);
  line-height: 1.42;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  opacity: 0;
  pointer-events: none;
  transform: translateY(40px);
  transition: transform 1.2s cubic-bezier(0.22, 0.61, 0.36, 1) 0.55s, opacity 0.6s ease 0.55s, box-shadow 0.6s ease;
}
.invite-card::before { /* thin double border */
  content: ""; position: absolute; inset: 10px;
  border: 1px solid rgba(107, 127, 62, 0.55);
  outline: 1px solid rgba(107, 127, 62, 0.25); outline-offset: 4px;
  pointer-events: none;
}
.invite-card .card-sprig { width: 34%; max-width: 150px; color: var(--olive); margin: 0 auto; }
.invite-card .card-sprig.bottom { transform: scaleY(-1); }
.invite-card .names { white-space: nowrap; font-family: var(--font-script); font-style: normal; font-size: 2.45em; line-height: 1.1; color: var(--rust); margin: 0.15em 0 0.25em; }
.invite-card .names .amp { font-family: var(--font-heading); font-style: italic; font-size: 0.6em; color: var(--amber); }
.invite-card p { margin: 0; }
.invite-card .gap { margin-top: 0.85em; }
.invite-card .date { font-weight: 600; color: var(--bark); }
.invite-card .rule { width: 40px; height: 1px; background: var(--olive); margin: 0.9em auto; opacity: 0.6; }
.invite-card .small { font-size: 0.86em; color: var(--text-soft); }
.invite-card .rsvp-btn { margin-top: 1em; font-style: normal; padding: 0.65em 1.5em; font-size: max(0.72rem, 0.8em); }

.is-opened .invite-card { opacity: 1; transform: translateY(-80px); }
.is-revealed .invite-card { z-index: 7; pointer-events: auto; box-shadow: 0 24px 50px rgba(74, 55, 40, 0.22); }

/* ---------- Main content fade-in ---------- */
.js .invite-main { opacity: 0; transition: opacity 0.8s ease; }
.js .invite-main.is-visible { opacity: 1; }
.js:not(.is-revealed) .invite-main { pointer-events: none; }

/* ---------- RSVP section ---------- */
.rsvp-section { padding: var(--space-xl) 0; position: relative; overflow: hidden; }
.deadline-card {
  display: flex; align-items: center; gap: var(--space-md);
  max-width: 560px; margin: 0 auto var(--space-lg);
  padding: var(--space-md) var(--space-lg);
  background: var(--white);
  border: var(--border-soft); border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}
.deadline-card .cal {
  flex-shrink: 0; width: 72px; text-align: center; border-radius: 10px; overflow: hidden;
  border: 1px solid rgba(164, 74, 63, 0.35);
}
.deadline-card .cal span { display: block; }
.deadline-card .cal .m { background: var(--rust); color: var(--white); font-size: 0.7rem; letter-spacing: 0.18em; text-transform: uppercase; padding: 0.2rem 0; }
.deadline-card .cal .d { font-family: var(--font-heading); font-size: 2rem; line-height: 1.2; color: var(--bark); }
.deadline-card .cal .y { font-size: 0.7rem; color: var(--text-soft); padding-bottom: 0.2rem; }
.deadline-card h3 { font-size: 1.4rem; }
.deadline-card p { color: var(--text-soft); font-size: 0.95rem; }

/* Google Form placeholder */
.form-placeholder {
  max-width: 780px; margin: 0 auto;
  padding: var(--space-xl) var(--space-md);
  text-align: center;
  border-radius: var(--radius-lg);
  border: 1px dashed rgba(107, 127, 62, 0.5);
  background:
    radial-gradient(circle at 15% 20%, rgba(217, 142, 50, 0.08), transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(107, 127, 62, 0.10), transparent 45%),
    var(--white);
}
.form-placeholder .leaf { width: 70px; margin: 0 auto var(--space-sm); color: var(--olive); }
.form-placeholder h3 { margin-bottom: 0.4rem; }
.form-placeholder p { color: var(--text-soft); max-width: 460px; margin: 0 auto; }
.gform-wrap { max-width: 780px; margin: 0 auto; border-radius: var(--radius-md); overflow: hidden; background: var(--white); }
.gform-wrap iframe { width: 100%; border: 0; display: block; }

.or-divider {
  display: flex; align-items: center; gap: 1rem;
  max-width: 780px; margin: var(--space-xl) auto var(--space-lg);
  font-family: var(--font-heading); font-style: italic; font-size: 1.2rem; color: var(--text-soft);
}
.or-divider::before, .or-divider::after { content: ""; flex: 1; height: 1px; background: rgba(74, 55, 40, 0.2); }

/* ---------- Native form ---------- */
.rsvp-form { max-width: 780px; margin: 0 auto; }
.form-card {
  position: relative;
  background: var(--white);
  border-radius: var(--radius-md);
  border: var(--border-soft);
  border-left: 4px solid var(--olive);
  box-shadow: var(--shadow-soft);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
}
.form-card[hidden] { display: none; }
.form-card legend { display: contents; }
.form-card .group-head { display: flex; align-items: baseline; gap: 0.75rem; margin-bottom: var(--space-md); }
.form-card .group-num {
  font-family: var(--font-heading); font-style: italic; font-size: 1rem; color: var(--olive);
  flex-shrink: 0;
}
.form-card h3 { font-size: 1.6rem; }
.form-card .group-sub { display: block; font-size: 0.9rem; color: var(--text-soft); margin-top: -1rem; margin-bottom: var(--space-md); }
fieldset.form-card { min-width: 0; }

.field { margin-bottom: var(--space-md); }
.field:last-child { margin-bottom: 0; }
.field[hidden] { display: none; }
.field-label, .field > label {
  display: block; margin-bottom: 0.45rem;
  font-size: 0.82rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--bark); font-weight: 400;
}
.req { color: var(--rust); margin-left: 0.15em; }
.opt { text-transform: none; letter-spacing: 0; color: var(--text-soft); font-size: 0.85rem; }

.rsvp-form input[type="text"], .rsvp-form input[type="email"], .rsvp-form select, .rsvp-form textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--cream-light);
  border: 1px solid rgba(74, 55, 40, 0.22);
  border-radius: var(--radius-sm);
  font-weight: 300; font-size: 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.rsvp-form select {
  appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%234A3728' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 1rem center; background-size: 12px;
  padding-right: 2.5rem;
}
.rsvp-form textarea { min-height: 120px; resize: vertical; }
.rsvp-form input:focus, .rsvp-form select:focus, .rsvp-form textarea:focus {
  outline: 2px solid var(--olive); outline-offset: 1px; border-color: var(--olive);
}
.rsvp-form .invalid input, .rsvp-form .invalid select, .rsvp-form input.invalid { border-color: var(--rust); background: #FCF3F1; }
.field-error { display: none; margin-top: 0.4rem; font-size: 0.88rem; color: var(--rust); }
.invalid .field-error { display: block; }
.invalid .choice-grid { border-radius: var(--radius-sm); box-shadow: 0 0 0 1px var(--rust); }

/* Radio / checkbox choices */
.choice-grid { display: grid; gap: 0.6rem; }
.choice-grid.cols-2 { grid-template-columns: 1fr; }
.choice {
  position: relative; display: flex; align-items: center; gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--cream-light);
  border: 1px solid rgba(74, 55, 40, 0.18);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  font-size: 0.98rem;
}
.choice:hover { border-color: var(--olive); }
.choice input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.choice .mark {
  flex-shrink: 0; width: 1.2rem; height: 1.2rem;
  border: 1.5px solid var(--olive); background: var(--white);
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition);
}
.choice input[type="radio"] + .mark { border-radius: 50%; }
.choice input[type="checkbox"] + .mark { border-radius: 4px; }
.choice input[type="radio"]:checked + .mark { box-shadow: inset 0 0 0 3px var(--white); background: var(--olive); }
.choice input[type="checkbox"]:checked + .mark { background: var(--olive); }
.choice input[type="checkbox"]:checked + .mark::after { content: "✓"; color: var(--white); font-size: 0.75rem; }
.choice:has(input:checked) { border-color: var(--olive); background: rgba(107, 127, 62, 0.08); }
.choice input:focus-visible + .mark { outline: 2px solid var(--olive); outline-offset: 3px; }
.choice.big { padding: 1rem 1.1rem; font-family: var(--font-heading); font-size: 1.25rem; }

.submit-wrap { margin-top: var(--space-lg); }
.btn-submit {
  width: 100%;
  padding: 1.15rem 1.5rem;
  border: 0; border-radius: var(--radius-pill);
  background: var(--rust); color: var(--white);
  font-size: 1rem; letter-spacing: 0.16em; text-transform: uppercase;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}
.btn-submit:hover { background: var(--bark); transform: translateY(-2px); }
.btn-submit:focus-visible { outline: 2px solid var(--olive); outline-offset: 3px; }
.form-summary-error { display: none; margin-bottom: var(--space-sm); padding: 0.8rem 1rem; border-radius: var(--radius-sm); background: #FCF3F1; border-left: 4px solid var(--rust); color: var(--rust); font-size: 0.95rem; }
.form-summary-error.show { display: block; }
.decline-note { margin-top: var(--space-sm); text-align: center; font-size: 0.92rem; color: var(--text-soft); }

/* Confirmation */
.rsvp-confirm {
  display: none;
  max-width: 640px; margin: 0 auto;
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: var(--border-soft);
  box-shadow: var(--shadow-lift);
}
.rsvp-confirm.show { display: block; animation: confirmIn 0.8s ease both; }
.rsvp-confirm .script { font-size: clamp(2.4rem, 8vw, 3.4rem); color: var(--rust); line-height: 1.15; }
.rsvp-confirm p { color: var(--text-soft); margin-top: 0.8rem; font-size: 1.1rem; }
.rsvp-confirm .sprig { width: 120px; margin: 0 auto var(--space-sm); color: var(--olive); }
@keyframes confirmIn { from { opacity: 0; transform: translateY(16px) scale(0.98); } to { opacity: 1; transform: none; } }

/* Mini footer */
.invite-footer { text-align: center; padding: var(--space-lg) 0 var(--space-xl); }
.invite-footer .divider { margin: 0 auto var(--space-sm); }
.invite-footer .footer-names { color: var(--bark); font-size: 2.4rem; }
.invite-footer .footer-date { color: var(--rust); }
.invite-footer a { display: inline-block; margin-top: var(--space-sm); font-size: 0.75rem; letter-spacing: 0.16em; text-transform: uppercase; }

@media (min-width: 768px) {
  .form-card { padding: var(--space-lg); }
  .choice-grid.cols-2 { grid-template-columns: 1fr 1fr; }
  .rsvp-section { padding: var(--space-2xl) 0; }
}

@media (prefers-reduced-motion: reduce) {
  .env-flap, .invite-card, .wax-seal, .invite-main, .stage-intro { transition: none !important; }
  .tap-prompt { animation: none; opacity: 1; }
}