/* Sydney Combined Weekend — global styles */

:root {
  --navy-950: #080d17;
  --navy-900: #0b1220;
  --navy-800: #111a2e;
  --navy-700: #1a2740;
  --gold-400: #e3b95e;
  --gold-500: #d4a542;
  --gold-600: #b98a2e;
  --cream: #f7f1e3;
  --ink: #e8ecf4;
  --ink-dim: #a7b0c3;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  --display: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia,
    "Times New Roman", serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--navy-900);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--gold-400); }

img { max-width: 100%; }

.container {
  width: min(1080px, 92vw);
  margin: 0 auto;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(8, 13, 23, 0.82);
  border-bottom: 1px solid rgba(212, 165, 66, 0.18);
  transition: box-shadow 0.25s;
}

.site-header.scrolled { box-shadow: 0 8px 28px rgba(0, 0, 0, 0.45); }

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--cream);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.brand .mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--gold-400), var(--gold-600));
  color: var(--navy-950);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0;
}

.site-nav {
  display: flex;
  gap: 0.35rem;
}

.site-nav a {
  color: var(--ink-dim);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  transition: color 0.2s, background 0.2s;
}

.site-nav a:hover { color: var(--cream); background: rgba(255, 255, 255, 0.06); }

.site-nav a.active { color: var(--navy-950); background: var(--gold-500); }

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

.hero {
  position: relative;
  padding: clamp(4rem, 10vw, 7.5rem) 0 clamp(3rem, 8vw, 6rem);
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(1000px 500px at 75% -10%, rgba(212, 165, 66, 0.16), transparent 60%),
    radial-gradient(800px 420px at 15% 110%, rgba(212, 165, 66, 0.07), transparent 60%),
    linear-gradient(180deg, var(--navy-950), var(--navy-900));
}

.hero-art {
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  width: auto;
  opacity: 0.5;
  pointer-events: none;
  user-select: none;
  object-fit: cover;
  -webkit-mask-image: linear-gradient(to left, rgba(0,0,0,0.9) 30%, transparent 95%);
  mask-image: linear-gradient(to left, rgba(0,0,0,0.9) 30%, transparent 95%);
}

.hero .container { position: relative; }

@media (max-width: 900px) {
  .hero-art { opacity: 0.22; }
}

.hero .kicker {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold-400);
  margin-bottom: 1.1rem;
}

.hero h1 {
  margin: 0 auto;
  max-width: 18ch;
  font-family: var(--display);
  font-size: clamp(2rem, 5.4vw, 3.8rem);
  line-height: 1.1;
  color: var(--cream);
  letter-spacing: 0.01em;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.55);
}

.hero .theme {
  margin: 1.4rem auto 0;
  max-width: 34ch;
  font-family: var(--display);
  font-size: clamp(1.15rem, 2.6vw, 1.6rem);
  font-style: italic;
  color: var(--gold-400);
}

.hero .theme::after {
  content: "✦";
  display: block;
  margin-top: 0.9rem;
  font-style: normal;
  font-size: 0.8rem;
  color: var(--gold-500);
  opacity: 0.85;
}

.countdown {
  margin: 1.6rem 0 0;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-dim);
  font-variant-numeric: tabular-nums;
}

.hero .meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  margin-top: 1.8rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 1rem;
  border: 1px solid rgba(212, 165, 66, 0.35);
  border-radius: 999px;
  background: rgba(212, 165, 66, 0.08);
  color: var(--cream);
  font-size: 0.95rem;
  font-weight: 600;
}

.hero .actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.8rem;
  margin-top: 2.2rem;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.6rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.15s, background 0.2s;
}

.btn:active { transform: translateY(1px); }

.btn-gold {
  background: linear-gradient(135deg, var(--gold-400), var(--gold-600));
  color: var(--navy-950);
  box-shadow: 0 6px 20px rgba(212, 165, 66, 0.28);
}

.btn-gold:hover { box-shadow: 0 8px 26px rgba(212, 165, 66, 0.42); }

.btn-ghost {
  color: var(--cream);
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.btn-ghost:hover { background: rgba(255, 255, 255, 0.07); }

/* ---------- Sections ---------- */

section { padding: clamp(3rem, 7vw, 5rem) 0; }

.section-title {
  font-family: var(--display);
  font-size: clamp(1.5rem, 3.4vw, 2.2rem);
  color: var(--cream);
  margin: 0 0 0.4rem;
}

.section-sub {
  color: var(--ink-dim);
  margin: 0 0 2.2rem;
  max-width: 60ch;
}

.accent-bar {
  width: 56px;
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--gold-400), var(--gold-600));
  margin-bottom: 1.2rem;
}

/* ---------- Programme ---------- */

.programme-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.2rem;
}

.day-card {
  background: linear-gradient(180deg, var(--navy-800), var(--navy-700));
  border: 1px solid rgba(212, 165, 66, 0.16);
  border-top: 3px solid rgba(212, 165, 66, 0.55);
  border-radius: var(--radius);
  padding: 1.4rem 1.5rem;
  box-shadow: var(--shadow);
  transition: transform 0.2s, border-color 0.2s;
}

.day-card:hover {
  transform: translateY(-3px);
  border-color: rgba(212, 165, 66, 0.4);
  border-top-color: var(--gold-400);
}

.day-card h3 {
  margin: 0 0 1rem;
  font-size: 1.05rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold-400);
  border-bottom: 1px solid rgba(212, 165, 66, 0.25);
  padding-bottom: 0.7rem;
}

.day-card ul { list-style: none; margin: 0; padding: 0; }

.day-card li {
  display: grid;
  grid-template-columns: 4.2rem 1.3rem 1fr;
  gap: 0.7rem;
  padding: 0.55rem 0;
  align-items: baseline;
}

.day-card .ico { color: var(--gold-400); opacity: 0.85; align-self: center; }

.day-card .ico svg { width: 17px; height: 17px; display: block; }

.day-card li + li { border-top: 1px solid rgba(255, 255, 255, 0.06); }

.day-card .time {
  font-weight: 700;
  color: var(--gold-400);
  font-variant-numeric: tabular-nums;
  font-size: 0.92rem;
}

.day-card .what strong { color: var(--cream); }

.day-card .what .topic { color: var(--ink-dim); display: block; font-size: 0.95rem; }

/* ---------- Location ---------- */

.location-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 1.6rem;
  align-items: stretch;
}

@media (max-width: 760px) {
  .location-grid { grid-template-columns: 1fr; }
}

.location-card {
  background: var(--navy-800);
  border: 1px solid rgba(212, 165, 66, 0.16);
  border-radius: var(--radius);
  padding: 1.6rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.4rem;
}

.location-card h3 { margin: 0; color: var(--cream); font-size: 1.3rem; }

.location-card p { margin: 0.2rem 0 1rem; color: var(--ink-dim); }

.map-frame {
  border: 1px solid rgba(212, 165, 66, 0.16);
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 300px;
  box-shadow: var(--shadow);
}

.map-frame iframe { display: block; width: 100%; height: 100%; min-height: 300px; border: 0; }

/* ---------- Flyer ---------- */

.flyer-grid {
  display: grid;
  grid-template-columns: minmax(260px, 420px) 1fr;
  gap: 2rem;
  align-items: start;
}

@media (max-width: 760px) {
  .flyer-grid { grid-template-columns: 1fr; }
}

.flyer-card {
  display: block;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(212, 165, 66, 0.25);
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}

.flyer-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
}

.flyer-card img { display: block; width: 100%; height: auto; }

.flyer-actions { color: var(--ink-dim); max-width: 40ch; }

.flyer-actions p { margin-top: 0; }

/* ---------- Page hero (inner pages) ---------- */

.page-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(800px 400px at 85% 0%, rgba(212, 165, 66, 0.1), transparent 60%),
    linear-gradient(180deg, var(--navy-950), var(--navy-900));
}

.page-hero .hero-art {
  opacity: 0.34;
  -webkit-mask-image: linear-gradient(to left, rgba(0,0,0,0.85) 20%, transparent 80%);
  mask-image: linear-gradient(to left, rgba(0,0,0,0.85) 20%, transparent 80%);
}

.page-hero .container { position: relative; }

@media (max-width: 900px) {
  .page-hero .hero-art { opacity: 0.16; }
}

/* ---------- Downloads page ---------- */

.gate {
  max-width: 460px;
  margin: 0 auto;
  background: var(--navy-800);
  border: 1px solid rgba(212, 165, 66, 0.2);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  text-align: center;
}

.gate .lock {
  width: 52px;
  height: 52px;
  margin: 0 auto 1rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(212, 165, 66, 0.12);
  color: var(--gold-400);
}

.gate h2 { margin: 0 0 0.5rem; color: var(--cream); }

.gate p { color: var(--ink-dim); font-size: 0.97rem; }

.gate form { display: flex; gap: 0.6rem; margin-top: 1.3rem; }

.gate input[type="password"] {
  flex: 1;
  min-width: 0;
  padding: 0.7rem 1rem;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: var(--navy-950);
  color: var(--cream);
  font-size: 1rem;
}

.gate input[type="password"]:focus {
  outline: none;
  border-color: var(--gold-500);
  box-shadow: 0 0 0 3px rgba(212, 165, 66, 0.2);
}

.gate button {
  padding: 0.7rem 1.3rem;
  border: 0;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--gold-400), var(--gold-600));
  color: var(--navy-950);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
}

.gate .error {
  color: #ff8a80;
  font-size: 0.92rem;
  margin-top: 0.8rem;
  min-height: 1.2em;
}

.notice {
  background: rgba(212, 165, 66, 0.08);
  border: 1px solid rgba(212, 165, 66, 0.3);
  border-radius: 10px;
  padding: 0.8rem 1.1rem;
  color: var(--gold-400);
  font-size: 0.95rem;
  margin-bottom: 1.8rem;
}

.year-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.year-nav a {
  text-decoration: none;
  padding: 0.4rem 0.95rem;
  border-radius: 999px;
  border: 1px solid rgba(212, 165, 66, 0.35);
  color: var(--cream);
  font-weight: 600;
  font-size: 0.95rem;
  transition: background 0.2s;
}

.year-nav a:hover { background: rgba(212, 165, 66, 0.15); }

.year-block {
  background: var(--navy-800);
  border: 1px solid rgba(212, 165, 66, 0.16);
  border-radius: var(--radius);
  padding: 1.6rem 1.7rem;
  margin-bottom: 1.4rem;
  box-shadow: var(--shadow);
  scroll-margin-top: 90px;
}

.year-block h3 {
  margin: 0 0 0.2rem;
  color: var(--gold-400);
  font-size: 1.35rem;
}

.year-block .theme-line { color: var(--cream); margin: 0 0 0.2rem; font-style: italic; }

.year-block .speaker-line { color: var(--ink-dim); margin: 0 0 0.8rem; font-size: 0.95rem; }

.year-block .year-note { color: var(--ink-dim); font-size: 0.95rem; margin: 0.4rem 0 0.8rem; }

.year-block h4 {
  margin: 1.1rem 0 0.6rem;
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 0.6rem;
}

.dl-link {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 0.9rem;
  border-radius: 10px;
  background: var(--navy-950);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--cream);
  text-decoration: none;
  font-size: 0.97rem;
  transition: border-color 0.2s, transform 0.12s;
}

.dl-link:hover { border-color: var(--gold-500); transform: translateY(-1px); }

.dl-link svg { flex-shrink: 0; color: var(--gold-400); }

.locked-actions { margin-top: 1.5rem; text-align: right; }

.locked-actions button {
  background: none;
  border: none;
  color: var(--ink-dim);
  font-size: 0.9rem;
  cursor: pointer;
  text-decoration: underline;
}

/* ---------- Reveal animation ---------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- Downloads teaser ---------- */

#downloads-teaser {
  background:
    linear-gradient(180deg, rgba(11, 18, 32, 0.9), rgba(11, 18, 32, 0.82) 40%, var(--navy-900) 96%),
    url("/assets/sunburst.jpg") center 20% / cover no-repeat;
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid rgba(212, 165, 66, 0.15);
  padding: 2rem 0 2.5rem;
  color: var(--ink-dim);
  font-size: 0.92rem;
  text-align: center;
}
.site-footer a { color: var(--ink-dim); }