/* ==========================================================================
   Ana & Thiago — 23.01.2027 — site stylesheet
   Vanilla HTML/CSS port of the approved "Thiago & Ana 2027 — Design System".
   Ships without a JS framework: styles.css tokens + this file are the whole
   visual system. See /assets/js/site.js for the (small) interactive layer.
   ========================================================================== */

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--surface-page);
  color: var(--text-body);
  font: var(--type-body);
  letter-spacing: var(--tracking-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  margin: 0;
  color: var(--text-display);
  font-family: var(--font-display);
  font-weight: var(--weight-display);
  line-height: var(--leading-title);
  letter-spacing: var(--tracking-display);
}
h2 { font-size: var(--size-display-l); }
h3 { font-size: var(--size-display-m); }

p { margin: 0 0 1em; max-width: var(--measure-prose); }

a {
  color: var(--text-link);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
  padding-bottom: 1px;
  transition: color var(--dur-quick) var(--ease-soft), border-color var(--dur-quick) var(--ease-soft);
}
a:hover { color: var(--text-link-hover); border-color: var(--gold-400); }

:focus-visible { outline: 1px solid var(--focus-ring); outline-offset: 3px; }
img { display: block; max-width: 100%; }
button { font: inherit; }
::selection { background: var(--blue-100); color: var(--blue-900); }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ---- eyebrow (tracked small caps label) ---- */
.eyebrow {
  display: flex; align-items: center; gap: var(--space-4);
  font: var(--type-label); letter-spacing: var(--tracking-label);
  text-transform: uppercase; color: var(--text-accent);
}
.eyebrow.is-center { justify-content: center; }
.eyebrow.tone-on-photo { color: rgba(255,255,255,.92); }
.eyebrow.tone-muted { color: var(--text-muted); }
.eyebrow.no-rules { display: inline-flex; }
.eyebrow .rule { height: 1px; width: 40px; background: var(--line-gold); flex: none; }
.eyebrow.tone-on-photo .rule { background: rgba(255,255,255,.5); }
.eyebrow.is-center .rule:first-child { display: block; }
.eyebrow:not(.is-center) .rule:first-child { display: none; }

/* ---- layout grids that collapse on small viewports ---- */
.grid-split { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: clamp(32px,6vw,96px); align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: clamp(24px,3vw,48px); }
.grid-2 { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: var(--space-5); }
@media (max-width: 900px) { .grid-split { grid-template-columns: minmax(0,1fr); gap: var(--space-7); } .grid-split > * { margin-top: 0 !important; } }
@media (max-width: 760px) { .grid-3 { grid-template-columns: minmax(0,1fr); gap: var(--space-7); } }
@media (max-width: 560px) { .grid-2 { grid-template-columns: minmax(0,1fr); } }

/* ---- motion: slow reveals + drifting botanicals, reduced-motion safe ---- */
@keyframes ds-reveal { from { opacity: 0; transform: translateY(var(--reveal-offset)); } to { opacity: 1; transform: none; } }
@keyframes ds-drift { 0% { transform: translate3d(0,0,0) rotate(0deg); } 50% { transform: translate3d(0,-14px,0) rotate(-1.2deg); } 100% { transform: translate3d(0,0,0) rotate(0deg); } }
@keyframes ds-breathe { 0%,100% { transform: scale(1); opacity: .85; } 50% { transform: scale(1.04); opacity: 1; } }
@keyframes ds-hero { from { transform: scale(1.08); } to { transform: scale(1); } }
.reveal { opacity: 0; }
.reveal.in { animation: ds-reveal var(--dur-slow) var(--ease-soft) forwards; }
.reveal.in.d1 { animation-delay: 120ms; }
.reveal.in.d2 { animation-delay: 240ms; }
.reveal.in.d3 { animation-delay: 360ms; }
.drift { animation: ds-drift 14s var(--ease-veil) infinite; }
.breathe { animation: ds-breathe 7s var(--ease-veil) infinite; }
.hero-zoom { animation: ds-hero 2600ms var(--ease-soft) both; }
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal.in { opacity: 1; animation: none; }
  .drift, .breathe, .hero-zoom { animation: none; }
}

/* ---- section shell ---- */
.section { padding: var(--section-pad-y) var(--page-pad-x); }
.section.pad-tight { padding-top: clamp(48px,7vw,88px); padding-bottom: clamp(48px,7vw,88px); }
.section-inner { max-width: var(--page-max); margin: 0 auto; width: 100%; }
.section-inner.is-wide { max-width: var(--page-max-wide); }
.ground-paper { background: var(--surface-page); }
.ground-warm { background: var(--surface-page-alt); }
.ground-tint { background: var(--surface-tint); }
.ground-deep { background: var(--surface-deep); color: var(--text-on-deep); }

/* ---- section heading ---- */
.section-heading { display: flex; flex-direction: column; gap: var(--space-5); max-width: 48rem; }
.section-heading.is-center { align-items: center; text-align: center; margin: 0 auto; }
.section-heading.is-left { align-items: flex-start; text-align: left; margin: 0; }
.section-heading h2 { font: var(--type-section-title); letter-spacing: var(--tracking-display); color: var(--text-display); }
.section-heading p { font: var(--type-lede); color: var(--text-muted); max-width: var(--measure-prose); margin: 0; }
.section-heading.tone-on-photo h2 { color: var(--text-on-photo); }
.section-heading.tone-on-photo p { color: rgba(255,255,255,.86); }

/* ---- buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-3);
  font-family: var(--font-sans); font-weight: var(--weight-sans-em); font-size: var(--size-label);
  text-transform: uppercase; letter-spacing: var(--tracking-wide); text-decoration: none;
  cursor: pointer; border: 1px solid transparent; border-radius: var(--radius-1);
  padding: 16px 30px; white-space: nowrap; background: none;
  transition: background var(--dur-base) var(--ease-soft), color var(--dur-base) var(--ease-soft), border-color var(--dur-base) var(--ease-soft);
}
.btn-sm { font-size: var(--size-label); padding: 11px 20px; }
.btn-pill { border-radius: var(--radius-pill); }
.btn-primary { background: var(--action-fill); color: var(--action-on-fill); border-color: var(--action-fill); }
.btn-primary:hover { background: var(--action-fill-hover); border-color: var(--action-fill-hover); color: var(--action-on-fill); }
.btn-quiet { background: transparent; color: var(--action-quiet-text); border-color: var(--action-quiet-border); }
.btn-quiet:hover { background: var(--surface-tint); border-color: var(--blue-400); color: var(--action-quiet-text); }
.btn-on-photo { background: rgba(255,255,255,.92); color: var(--blue-900); border-color: rgba(255,255,255,.92); }
.btn-on-photo:hover { background: #fff; border-color: #fff; color: var(--blue-900); }
.btn-link {
  background: transparent; color: var(--text-link); border: none; border-bottom: 1px solid var(--line-gold);
  padding: 0 0 4px; text-transform: none; letter-spacing: var(--tracking-body); font-size: var(--size-body-s);
  font-family: var(--font-sans); border-radius: 0;
}
.btn-link:hover { color: var(--text-link-hover); border-bottom-color: var(--gold-400); }
.btn:disabled, .btn[aria-disabled="true"] { opacity: .4; pointer-events: none; }

/* ---- choice group (RSVP yes/no pills) ---- */
.choice-group { border: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--space-3); }
.choice-group legend { font: var(--type-label); letter-spacing: var(--tracking-label); text-transform: uppercase; color: var(--text-muted); padding: 0; margin-bottom: var(--space-1); }
.choice-row { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.choice-btn {
  font: var(--type-label); letter-spacing: var(--tracking-wide); text-transform: uppercase;
  padding: 15px 26px; cursor: pointer; border-radius: var(--radius-pill);
  background: transparent; color: var(--action-quiet-text); border: 1px solid var(--action-quiet-border);
  transition: all var(--dur-base) var(--ease-soft); flex: 1 1 auto; min-width: 9rem;
}
.choice-btn[aria-pressed="true"] { background: var(--action-fill); color: var(--action-on-fill); border-color: var(--action-fill); }

/* ---- form fields ---- */
.field { display: flex; flex-direction: column; gap: var(--space-2); }
.field label { font: var(--type-label); letter-spacing: var(--tracking-label); text-transform: uppercase; color: var(--text-muted); }
.field label .req { color: var(--text-accent); }
.field .control {
  width: 100%; font: var(--type-body); color: var(--text-body); background: transparent;
  border: none; border-bottom: 1px solid var(--line-strong); border-radius: 0; padding: 10px 2px;
  outline: none; transition: border-color var(--dur-base) var(--ease-soft); appearance: none;
}
.field .control:focus { border-bottom-color: var(--blue-600); }
.field textarea.control { resize: vertical; line-height: var(--leading-body); }
.field select.control {
  padding-right: 24px;
  background-image: linear-gradient(45deg,transparent 50%,var(--blue-600) 50%), linear-gradient(135deg,var(--blue-600) 50%,transparent 50%);
  background-position: right 8px center, right 3px center; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat;
}
.field .help { font: var(--type-caption); color: var(--text-subtle); }
.field .error { font: var(--type-caption); color: var(--state-error); }
.field.has-error .control { border-bottom-color: var(--state-error); }

/* ---- photo frames ---- */
.photo-frame { margin: 0; display: flex; flex-direction: column; gap: var(--space-3); }
.photo-frame .frame {
  position: relative; overflow: hidden; background: var(--surface-tint);
}
.photo-frame img {
  width: 100%; height: 100%; object-fit: cover; transform: scale(1);
  transition: transform var(--dur-cinematic) var(--ease-soft);
}
.photo-frame:hover img { transform: scale(var(--hover-image-scale)); }
.photo-frame.shape-capsule .frame { border-radius: var(--radius-capsule); aspect-ratio: 2 / 3; }
.photo-frame.shape-oval .frame { border-radius: var(--radius-oval); aspect-ratio: 4 / 5; }
.photo-frame.shape-oval.ratio-1-1 .frame { aspect-ratio: 1 / 1; }
.photo-frame.shape-oval.ratio-4-3 .frame { aspect-ratio: 4 / 3; }
.photo-frame.shape-soft .frame { border-radius: var(--radius-soft); aspect-ratio: 3 / 2; }
.photo-frame.shape-arch .frame { border-radius: var(--radius-arch); aspect-ratio: 3 / 4; }
.photo-frame.shape-rect .frame { border-radius: var(--radius-image); aspect-ratio: 3 / 2; }
.photo-frame .veil { position: absolute; inset: 0; background: var(--veil-photo); pointer-events: none; }
.photo-frame figcaption { font: var(--type-caption); letter-spacing: var(--tracking-wide); text-transform: uppercase; color: var(--text-subtle); }

/* ---- ornaments (inline SVG, currentColor) ---- */
.ornament { display: inline-flex; color: var(--blue-300); }
.ornament.tone-gold { color: var(--gold-400); }
.ornament.tone-on-photo { color: rgba(255,255,255,.85); }
.ornament svg { display: block; height: 100%; width: auto; }

/* ==========================================================================
   Nav
   ========================================================================== */
.nav {
  position: absolute; top: 0; left: 0; right: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-5);
  padding: var(--space-6) var(--page-pad-x);
}
.nav.is-scrolled, .nav.tone-solid {
  background: rgba(255,255,255,.86); backdrop-filter: var(--blur-glass); -webkit-backdrop-filter: var(--blur-glass);
  border-bottom: 1px solid var(--line-hairline);
}
.nav-monogram { font-family: var(--font-display); font-size: 1.25rem; letter-spacing: .22em; color: #fff; }
.nav.is-scrolled .nav-monogram, .nav.tone-solid .nav-monogram { color: var(--text-display); }
.nav-links { display: flex; gap: var(--space-6); list-style: none; margin: 0; padding: 0; flex-wrap: wrap; }
.nav-links a {
  font: var(--type-label); letter-spacing: var(--tracking-label); text-transform: uppercase;
  color: rgba(255,255,255,.9); text-decoration: none; white-space: nowrap;
  border-bottom: 1px solid transparent; padding-bottom: 4px; transition: border-color var(--dur-base) var(--ease-soft);
}
.nav.is-scrolled .nav-links a, .nav.tone-solid .nav-links a { color: var(--text-body); }
.nav-links a:hover { border-bottom-color: var(--gold-400); }
.nav.is-scrolled .nav-cta, .nav.tone-solid .nav-cta {
  background: var(--action-fill); color: var(--action-on-fill); border-color: var(--action-fill);
}
.nav.is-scrolled .nav-cta:hover, .nav.tone-solid .nav-cta:hover { background: var(--action-fill-hover); border-color: var(--action-fill-hover); }
.nav-toggle { display: none; }
@media (max-width: 700px) {
  .nav-cta { display: none; }
  .nav-links { position: fixed; inset: 0; z-index: 30; background: var(--paper); display: none;
    flex-direction: column; align-items: center; justify-content: center; gap: var(--space-7); }
  .nav-links.is-open { display: flex; }
  .nav-links a { color: var(--text-display); font-size: var(--size-body); }
  .nav-toggle {
    display: inline-flex; align-items: center; gap: var(--space-2); background: none; border: none; cursor: pointer;
    font: var(--type-label); letter-spacing: var(--tracking-label); text-transform: uppercase; color: rgba(255,255,255,.92);
    padding: 6px 2px; position: relative; z-index: 31;
  }
  .nav.is-scrolled .nav-toggle, .nav.tone-solid .nav-toggle { color: var(--text-body); }
  .nav-toggle.is-open { color: var(--text-display); }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative; min-height: 100svh; min-height: 100vh; display: flex; flex-direction: column;
  justify-content: flex-end; overflow: hidden;
}
.hero-media { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-veil { position: absolute; inset: 0; background: var(--veil-photo); }
.hero-ornament { position: absolute; left: -2vw; bottom: 8vh; pointer-events: none; height: 220px; }
@media (max-width: 640px) { .hero-ornament { display: none; } }
.hero-content {
  position: relative; padding: 0 var(--page-pad-x) clamp(56px,10vh,120px); display: flex; flex-direction: column;
  align-items: flex-start; gap: var(--space-6); max-width: var(--page-max-wide); margin: 0 auto; width: 100%;
}
.hero-names {
  color: var(--text-on-photo); margin: 0; font-size: var(--size-display-xl); line-height: var(--leading-display);
  font-family: var(--font-display); font-weight: var(--weight-display);
}
.hero-names .amp { font-style: italic; font-weight: 300; margin-right: .18em; }
.hero-meta { display: flex; align-items: center; gap: var(--space-5); flex-wrap: wrap; }
.hero-meta span.label { font: var(--type-label); letter-spacing: var(--tracking-label); text-transform: uppercase; color: rgba(255,255,255,.94); }
.hero-meta .sep { width: 1px; height: 14px; background: rgba(255,255,255,.5); }

/* ---- countdown band ---- */
.countdown-label { font: var(--type-label); letter-spacing: var(--tracking-label); text-transform: uppercase; color: rgba(255,255,255,.62); }
.countdown { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); width: 100%; max-width: 820px; margin: 0 auto; }
.countdown-cell { display: flex; flex-direction: column; align-items: center; gap: var(--space-3); padding: var(--space-5) var(--space-2); border-left: 1px solid rgba(255,255,255,.22); }
.countdown-cell:first-child { border-left: none; }
.countdown-num {
  font-family: var(--font-display); font-weight: var(--weight-display); font-size: clamp(2rem,9vw,4.25rem);
  line-height: 1; color: var(--text-on-deep); font-variant-numeric: lining-nums tabular-nums;
}
.countdown-cell .label { font: var(--type-label); letter-spacing: var(--tracking-label); text-transform: uppercase; color: rgba(255,255,255,.7); }

/* ==========================================================================
   Ceremony
   ========================================================================== */
.ceremony-photos { position: relative; }
.ceremony-photos .oval-overlap { position: absolute; right: -14%; bottom: -10%; width: 46%; }
@media (max-width: 900px) { .ceremony-photos .oval-overlap { right: 0; bottom: -8%; width: 42%; } }
.ceremony-copy { display: flex; flex-direction: column; gap: var(--space-7); padding-top: var(--space-8); }
.fact-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(200px,1fr)); gap: var(--space-6); max-width: 640px; }
.fact { display: flex; flex-direction: column; gap: var(--space-2); padding-top: var(--space-4); border-top: 1px solid var(--line-hairline); }
.fact .label { font: var(--type-label); letter-spacing: var(--tracking-label); text-transform: uppercase; color: var(--text-accent); }
.fact .value { font: var(--type-body); color: var(--text-body); }
.ceremony-actions { display: flex; gap: var(--space-5); align-items: center; flex-wrap: wrap; }
.verse-block { display: flex; flex-direction: column; align-items: center; gap: var(--space-5); margin-top: clamp(72px,11vw,160px); text-align: center; }
.verse-block .ornament { height: 64px; }
.verse-block p {
  font: var(--type-lede); font-family: var(--font-display); font-style: italic; font-size: clamp(1.5rem,3vw,2.25rem);
  line-height: 1.4; color: var(--text-display); max-width: 30rem; margin: 0;
}

/* ==========================================================================
   Couple
   ========================================================================== */
.couple-photos { position: relative; min-height: clamp(360px,46vw,620px); }
.couple-photos .capsule-main { width: 70%; }
.couple-photos .oval-overlap { position: absolute; right: 0; bottom: 4%; width: 52%; }
.couple-photos .lily-accent { position: absolute; left: 52%; top: -6%; pointer-events: none; height: 110px; }
@media (max-width: 900px) { .couple-photos .lily-accent { display: none; } }
.couple-copy { display: flex; flex-direction: column; gap: var(--space-6); }
.couple-names { display: flex; gap: var(--space-7); flex-wrap: wrap; margin-top: var(--space-4); }
.couple-names .name { font-family: var(--font-display); font-size: var(--size-display-s); color: var(--text-display); margin-top: var(--space-2); }

/* ==========================================================================
   Interstitial band (full-bleed pause between sections)
   ========================================================================== */
.band { position: relative; min-height: clamp(280px,42vw,460px); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.band img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.band .veil { position: absolute; inset: 0; background: var(--veil-photo-light); }
.band-content { position: relative; display: flex; flex-direction: column; align-items: center; gap: var(--space-4); text-align: center; padding: var(--space-6); }
.band-content .date { font: var(--type-label); letter-spacing: var(--tracking-label); text-transform: uppercase; color: #fff; }

/* ==========================================================================
   Registry (off-site CTA to Casar.com)
   ========================================================================== */
.registry-card {
  display: flex; align-items: center; gap: var(--space-6); flex-wrap: wrap;
  border-top: 1px solid var(--line-hairline); border-bottom: 1px solid var(--line-hairline);
  padding: var(--space-7) 0; margin-top: clamp(48px,7vw,104px);
}
.registry-copy { flex: 1 1 20rem; display: flex; flex-direction: column; gap: var(--space-4); align-items: flex-start; }
.registry-copy p { color: var(--text-muted); margin: 0; }

/* ==========================================================================
   RSVP
   ========================================================================== */
.rsvp-photo-wrap { position: relative; }
.rsvp-photo-wrap .ornament { position: absolute; right: 2%; top: -8%; pointer-events: none; height: 190px; }
@media (max-width: 900px) { .rsvp-photo-wrap .ornament { display: none; } }
.rsvp-form { display: flex; flex-direction: column; gap: var(--space-6); max-width: 38rem; }
.rsvp-thanks { display: flex; flex-direction: column; gap: var(--space-5); align-items: flex-start; }
.rsvp-thanks .ornament { height: 96px; }
.rsvp-thanks h3 { font: var(--type-section-title); color: var(--text-display); margin: 0; }
.rsvp-thanks p { font: var(--type-lede); color: var(--text-muted); margin: 0; }
.rsvp-error { font: var(--type-caption); color: var(--state-error); background: var(--state-error-tint); padding: var(--space-3) var(--space-4); border-radius: var(--radius-1); }
.rsvp-error[hidden] { display: none; }
.rsvp-guests-field[hidden] { display: none; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { background: var(--surface-tint); border-top: 1px solid var(--line-soft); padding: clamp(64px,10vw,128px) var(--page-pad-x); }
.site-footer-inner { max-width: var(--page-max); margin: 0 auto; display: flex; flex-direction: column; align-items: center; gap: var(--space-6); text-align: center; }
.site-footer .ornament { height: 48px; }
.footer-names { font-family: var(--font-display); font-size: clamp(2rem,5vw,3.25rem); font-weight: var(--weight-display); line-height: 1; color: var(--text-display); }
.footer-date { font: var(--type-label); letter-spacing: var(--tracking-label); text-transform: uppercase; color: var(--text-accent); }
.footer-verse { font: var(--type-body); font-family: var(--font-display); font-style: italic; font-size: 1.125rem; color: var(--text-muted); max-width: var(--measure-prose); margin: 0; }
.footer-links { display: flex; gap: var(--space-5); list-style: none; padding: 0; margin: 0; flex-wrap: wrap; justify-content: center; }
.footer-links a { font: var(--type-caption); letter-spacing: var(--tracking-wide); text-transform: uppercase; color: var(--text-muted); text-decoration: none; border-bottom: 1px solid var(--line-gold); padding-bottom: 2px; }