/* ============================================================
   Liminal Asia Gathering — Design System
   Brand colors, typography, base styles
   ============================================================ */

/* ---------- Font Loading ---------- */
@font-face {
  font-family: "Axis";
  src: url("../fonts/AxisExtrabold.otf") format("opentype");
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "EB Garamond";
  src: url("../fonts/EBGaramond-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "EB Garamond";
  src: url("../fonts/EBGaramond-Italic.ttf") format("truetype");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "EB Garamond";
  src: url("../fonts/EBGaramond-Medium.ttf") format("truetype");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "EB Garamond";
  src: url("../fonts/EBGaramond-SemiBold.ttf") format("truetype");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "EB Garamond";
  src: url("../fonts/EBGaramond-Bold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* ---------- Design Tokens ---------- */
:root {
  /* Brand palette */
  --pine: #1A4146;          /* Ponderosa Pine — primary dark */
  --pine-deep: #0F2A2E;     /* darker shade for layered depth */
  --pine-soft: #2A595F;     /* lighter shade for borders, dividers */
  --cream: #E8E0C8;         /* Cloud Cream — primary light bg */
  --cream-soft: #F2EDD9;    /* lighter cream for cards */
  --cream-deep: #D9CFB2;    /* deeper cream for hover states */
  --honey: #BE9947;         /* Honey — muted gold (brand) — use on dark bg or for accents/borders */
  --honey-text: #7A5E1F;    /* Darker honey for accessible TEXT on cream/light backgrounds (AA pass) */
  --orange: #EBAB21;        /* Orange — bright gold accent */
  --ink: #0F2A2E;           /* darkest readable text */
  --muted: #5A6F73;         /* muted secondary text */
  --line: rgba(26, 65, 70, 0.15); /* hairline borders */
  --line-cream: rgba(232, 224, 200, 0.2); /* hairline on dark bg */

  /* Typography */
  --font-display: "Axis", "Helvetica Neue", Arial, sans-serif;
  --font-serif: "EB Garamond", Georgia, "Times New Roman", serif;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Layout */
  --container: 72rem;
  --container-narrow: 48rem;
  --container-prose: 38rem;

  /* Motion */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
button { font: inherit; cursor: pointer; }
a { color: inherit; }
fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
legend { padding: 0; }

/* ---------- Typography ---------- */
.eyebrow {
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.75rem;
  color: var(--honey-text); /* darker honey for AA contrast on cream */
}

.display-xl {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.5rem, 7vw, 5.5rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.display-lg {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.05;
  letter-spacing: -0.015em;
  text-transform: uppercase;
}

.display-md {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

.serif-lead {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(1.125rem, 1.8vw, 1.375rem);
  line-height: 1.55;
  font-style: italic;
}

.serif-body {
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  line-height: 1.7;
}

.script-mark {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--honey);
  font-size: 1.125rem;
}

/* ---------- Container & layout helpers ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--space-6); }
.container-narrow { width: 100%; max-width: var(--container-narrow); margin: 0 auto; padding: 0 var(--space-6); }
.container-prose { width: 100%; max-width: var(--container-prose); margin: 0 auto; padding: 0 var(--space-6); }
.section { padding: var(--space-24) 0; }
.section-sm { padding: var(--space-16) 0; }
.divider {
  width: 60px;
  height: 1px;
  background: var(--honey);
  margin: var(--space-8) auto;
  display: block;
  border: 0;
}
.divider-left {
  width: 40px;
  height: 1px;
  background: var(--honey);
  margin: var(--space-4) 0 var(--space-6) 0;
  border: 0;
}

/* ---------- Theme surfaces ---------- */
.surface-pine { background: var(--pine); color: var(--cream); }
.surface-pine-deep { background: var(--pine-deep); color: var(--cream); }
.surface-cream { background: var(--cream); color: var(--ink); }
.surface-cream-soft { background: var(--cream-soft); color: var(--ink); }

/* Pine surfaces use cream tones for accents */
.surface-pine .eyebrow,
.surface-pine-deep .eyebrow { color: var(--orange); }
.surface-pine .divider,
.surface-pine .divider-left,
.surface-pine-deep .divider,
.surface-pine-deep .divider-left { background: var(--orange); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.8125rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 0;
  transition: background 240ms var(--ease), color 240ms var(--ease), border-color 240ms var(--ease), transform 240ms var(--ease-out);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--honey);
  color: var(--pine-deep);
  border-color: var(--honey);
}
.btn-primary:hover { background: var(--orange); border-color: var(--orange); }

.btn-ghost-cream {
  background: transparent;
  color: var(--cream);
  border-color: rgba(232, 224, 200, 0.4);
}
.btn-ghost-cream:hover { background: var(--cream); color: var(--pine-deep); border-color: var(--cream); }

.btn-ghost-pine {
  background: transparent;
  color: var(--pine);
  border-color: rgba(26, 65, 70, 0.3);
}
.btn-ghost-pine:hover { background: var(--pine); color: var(--cream); border-color: var(--pine); }

.btn-arrow::after {
  content: "→";
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 1.1rem;
  letter-spacing: 0;
  transition: transform 240ms var(--ease-out);
}
.btn-arrow:hover::after { transform: translateX(4px); }

/* ---------- Form elements ---------- */
.field { margin-bottom: var(--space-6); }
.field-label {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pine);
  margin-bottom: var(--space-2);
}
.field-help {
  display: block;
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--muted);
  font-size: 0.95rem;
  margin-top: var(--space-2);
  margin-bottom: var(--space-2);
}
.input, .textarea, .select {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--cream-soft);
  border: 1px solid var(--line);
  border-radius: 2px;
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  color: var(--ink);
  transition: border-color 180ms var(--ease), background 180ms var(--ease);
}
.input:focus, .textarea:focus, .select:focus {
  outline: none;
  border-color: var(--honey);
  background: #fff;
}
.textarea { min-height: 7rem; resize: vertical; line-height: 1.6; }

/* Checkbox / radio (custom-styled, accessible — 44px+ touch targets) */
.choice {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--cream-soft);
  cursor: pointer;
  transition: border-color 160ms var(--ease), background 160ms var(--ease);
  margin-bottom: 0.5rem;
}
.choice:hover { border-color: var(--honey); background: #fff; }
.choice input { margin-top: 0.35rem; accent-color: var(--pine); flex-shrink: 0; }
.choice-label { flex: 1; line-height: 1.5; }
.choice input:checked + .choice-label { font-weight: 600; }
.choice:has(input:checked) { border-color: var(--pine); background: var(--cream-deep); }

/* Choice groups in 2-column grid for compact options */
.choice-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
@media (min-width: 640px) {
  .choice-grid-2 { grid-template-columns: 1fr 1fr; gap: 0 var(--space-3); }
}

/* ---------- Header ---------- */
.site-header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  padding: var(--space-6) 0;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-header .logo img { height: 38px; width: auto; }
.site-header nav {
  display: flex;
  gap: var(--space-8);
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.site-header nav a {
  text-decoration: none;
  color: var(--cream);
  opacity: 0.8;
  transition: opacity 180ms var(--ease);
}
.site-header nav a:hover { opacity: 1; }
@media (max-width: 720px) {
  .site-header nav { display: none; }
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--pine-deep);
  color: var(--cream);
  padding: var(--space-16) 0 var(--space-8);
}
.site-footer .footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}
@media (min-width: 720px) {
  .site-footer .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
}
.site-footer .logo img { height: 36px; opacity: 0.9; }
.site-footer h4 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--honey);
  margin: 0 0 var(--space-4);
}
.site-footer p, .site-footer a {
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--cream);
  text-decoration: none;
  opacity: 0.85;
}
.site-footer a:hover { opacity: 1; color: var(--orange); }
.site-footer .micro {
  border-top: 1px solid var(--line-cream);
  padding-top: var(--space-6);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
  font-size: 0.8125rem;
  opacity: 0.6;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  background: var(--pine-deep);
  color: var(--cream);
  overflow: hidden;
  display: flex;
  align-items: center;
}
.hero video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.45;
  z-index: 1;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(15,42,46,0.4) 0%, rgba(15,42,46,0.7) 70%, rgba(15,42,46,0.95) 100%);
  z-index: 2;
}
.hero .container {
  position: relative;
  z-index: 3;
  padding-top: var(--space-32);
  padding-bottom: var(--space-16);
}
.hero-eyebrow {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.8125rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: var(--space-6);
}
.hero h1 {
  margin: 0 0 var(--space-6);
  max-width: 14ch;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6) var(--space-12);
  margin: var(--space-8) 0;
  font-family: var(--font-display);
  font-size: 0.875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.hero-meta .meta-item span {
  display: block;
  font-size: 0.6875rem;
  opacity: 0.65;
  margin-bottom: 0.25rem;
  letter-spacing: 0.2em;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

/* ---------- Generic section pieces ---------- */
.section-label {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--honey-text); /* darker honey for AA contrast on cream */
  margin-bottom: var(--space-4);
}
/* On pine surfaces, section-label uses Orange (already contrast-safe on dark) */
.surface-pine .section-label,
.surface-pine-deep .section-label { color: var(--orange); }

.two-col {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: start;
}
@media (min-width: 880px) {
  .two-col { grid-template-columns: 1fr 1.4fr; gap: var(--space-24); }
}

.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 720px) {
  .cards-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 980px) {
  .cards-grid-4 { grid-template-columns: repeat(4, 1fr); }
}

.card {
  padding: var(--space-8);
  background: var(--cream-soft);
  border: 1px solid var(--line);
  border-radius: 2px;
}
.card-pine {
  background: rgba(232, 224, 200, 0.05);
  border: 1px solid var(--line-cream);
  color: var(--cream);
}
.card .card-num {
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--honey-text); /* darker honey for AA contrast on cream */
  font-size: 0.875rem;
  letter-spacing: 0.18em;
  margin-bottom: var(--space-3);
}
.card-pine .card-num,
.surface-pine .card .card-num,
.surface-pine-deep .card .card-num { color: var(--orange); }
.card h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.0625rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0 0 var(--space-3);
  line-height: 1.2;
}
.card p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ---------- Schedule / agenda blocks ---------- */
.schedule-day {
  padding: var(--space-8) 0;
  border-top: 1px solid var(--line-cream);
}
.schedule-day:first-of-type { border-top: 0; }
.schedule-day h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.875rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--orange);
  margin: 0 0 var(--space-2);
}
.schedule-day .day-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 3vw, 2rem);
  text-transform: uppercase;
  letter-spacing: -0.01em;
  margin: 0 0 var(--space-2);
}
.schedule-day .day-tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.125rem;
  opacity: 0.8;
  max-width: 38rem;
}

/* ---------- Quote / pull ---------- */
.pull-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.25rem, 2.2vw, 1.625rem);
  line-height: 1.5;
  max-width: 42rem;
  margin: 0 auto;
  text-align: center;
}
.pull-quote::before { content: "\201C"; color: var(--honey); margin-right: 0.1em; }
.pull-quote::after { content: "\201D"; color: var(--honey); margin-left: 0.1em; }
.pull-quote + .attribution {
  text-align: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--honey);
  margin-top: var(--space-6);
}

/* ---------- Progress bar (RSVP form) ---------- */
.progress-wrap {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--cream);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--line);
}
.progress-track {
  height: 2px;
  background: var(--line);
  position: relative;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: var(--honey);
  width: 0%;
  transition: width 360ms var(--ease-out);
}
.progress-meta {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--space-2);
  font-family: var(--font-display);
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- Form step ---------- */
.step {
  display: none;
  animation: fadeIn 360ms var(--ease-out);
}
.step.active { display: block; }
.step-header { margin-bottom: var(--space-8); }
.step-eyebrow {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--honey);
  margin-bottom: var(--space-3);
}
.step h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  letter-spacing: -0.01em;
  text-transform: uppercase;
  margin: 0 0 var(--space-3);
  line-height: 1.1;
}
.step-intro {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--muted);
  max-width: 42rem;
  margin: 0;
}

.step-nav {
  display: flex;
  justify-content: space-between;
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid var(--line);
  gap: var(--space-4);
}
.step-nav .btn-back {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
}
.step-nav .btn-back:hover {
  border-color: var(--pine);
  color: var(--pine);
}

/* Two-column field grid */
.fields-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0 var(--space-6);
}
@media (min-width: 640px) {
  .fields-grid-2 { grid-template-columns: 1fr 1fr; }
}

/* ---------- Subtle animations ---------- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

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

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 800ms var(--ease-out), transform 800ms var(--ease-out);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.text-honey { color: var(--honey); }
.text-orange { color: var(--orange); }
.text-cream { color: var(--cream); }
.text-muted { color: var(--muted); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.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;
}

/* Focus styles for accessibility */
*:focus-visible {
  outline: 2px solid var(--honey);
  outline-offset: 3px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .hero video { display: none; }
}