/* ==========================================================
   AURVEXX 2026 — midnight navy + gold, drawn from the poster
   ========================================================== */

:root {
  --night: #070B1C;
  --castle: #060A1A;
  --navy: #0D1530;
  --navy-2: #131D40;

  --gold: #E4B95F;
  --gold-soft: #F4DFA6;
  --gold-dim: rgba(228, 185, 95, 0.38);
  --gold-faint: rgba(228, 185, 95, 0.14);

  --text: #EAE6D8;
  --muted: #A8AEC4;

  --medivault: #2FD4C4;
  --mindora: #F0A23C;
  --automora: #9C7BFF;
  --nexora: #F2545F;
  --vaultx: #4C9BFF;

  --font-display: "Cinzel", "Trajan Pro", Georgia, serif;
  --font-body: "Alegreya Sans", "Segoe UI", system-ui, sans-serif;

  --nav-h: 68px;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 12px);
}

body {
  font-family: var(--font-body);
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--text);
  background: linear-gradient(180deg, var(--night) 0%, #0A1230 45%, var(--night) 100%);
  background-attachment: fixed;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; }
ul { list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  color: var(--gold-soft);
}

:focus-visible { outline: 2px solid var(--gold-soft); outline-offset: 3px; }

.skip {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: var(--gold); color: #1A1204; padding: 0.6rem 1rem;
}
.skip:focus { left: 0; }

/* Static background: the castle painting stays put while the page scrolls */
.page-bg {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background: url("assets/castle-bg.jpeg") center 45% / cover no-repeat;
}
.page-bg::after {
  content: ""; position: absolute; inset: 0; background: rgba(5, 8, 22, 0.28);
}

#stars {
  position: fixed; inset: 0; width: 100%; height: 100%;
  z-index: 0; pointer-events: none;
}

main, .site-footer { position: relative; z-index: 1; }

.wrap { width: min(1120px, 100% - 2.5rem); margin-inline: auto; }

/* Inscribed double border, echoing the poster frame */
.frame {
  background: var(--navy);
  border: 1px solid var(--gold-dim);
  box-shadow: inset 0 0 0 5px var(--navy), inset 0 0 0 6px var(--gold-faint);
}

.icon {
  width: 32px; height: 32px; fill: none; stroke: currentColor;
  stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.8rem 1.7rem;
  font-family: var(--font-display); font-weight: 600; font-size: 1rem; letter-spacing: 0.05em;
  text-decoration: none; cursor: pointer;
  border: 1px solid var(--gold); border-radius: 2px;
  transition: background 0.2s, color 0.2s, filter 0.2s;
}
.btn-gold { background: linear-gradient(180deg, #F1CE7C, #D4A24A); color: #1A1204; }
.btn-gold:hover { filter: brightness(1.1); }
.btn-ghost { background: transparent; color: var(--gold-soft); }
.btn-ghost:hover { background: var(--gold-faint); }
.btn-sm { padding: 0.5rem 1.1rem; font-size: 0.9rem; }

/* ---------- Nav ---------- */
.site-nav {
  position: fixed; inset: 0 0 auto 0; height: var(--nav-h); z-index: 50;
  border-bottom: 1px solid transparent;
  transition: background 0.3s, border-color 0.3s;
}
.site-nav.is-scrolled,
.site-nav.menu-open {
  background: rgba(7, 11, 28, 0.9);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--gold-faint);
}

.nav-inner {
  width: min(1120px, 100% - 2.5rem); height: 100%; margin-inline: auto;
  display: flex; align-items: center; gap: 1.25rem;
}

.brand {
  display: flex; align-items: center; gap: 0.6rem; text-decoration: none;
  font-family: var(--font-display); font-weight: 700; font-size: 1.3rem;
  letter-spacing: 0.06em; color: var(--gold-soft);
}
.brand svg { width: 20px; height: 20px; fill: var(--gold); }

.nav-menu { margin-left: auto; }
.nav-menu ul { display: flex; gap: 1.75rem; }
.nav-menu a {
  position: relative; display: inline-block; padding: 0.4rem 0;
  text-decoration: none; color: var(--text);
  font-family: var(--font-display); font-size: 0.95rem; letter-spacing: 0.05em;
  transition: color 0.2s;
}
.nav-menu a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: var(--gold); transform: scaleX(0); transition: transform 0.25s;
}
.nav-menu a:hover, .nav-menu a.active { color: var(--gold-soft); }
.nav-menu a:hover::after, .nav-menu a.active::after { transform: scaleX(1); }

.nav-toggle { display: none; }

@media (max-width: 820px) {
  .nav-cta { margin-left: auto; }
  .nav-toggle {
    display: inline-flex; flex-direction: column; justify-content: center; align-items: center;
    gap: 5px; width: 44px; height: 44px; cursor: pointer;
    background: none; border: 1px solid var(--gold-dim); border-radius: 3px;
  }
  .nav-toggle span { width: 20px; height: 2px; background: var(--gold); transition: transform 0.25s, opacity 0.2s; }
  .site-nav.menu-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .site-nav.menu-open .nav-toggle span:nth-child(2) { opacity: 0; }
  .site-nav.menu-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .nav-menu {
    position: absolute; top: var(--nav-h); left: 0; right: 0; margin: 0;
    display: none; padding: 0.5rem 1.25rem 1.25rem;
    background: rgba(7, 11, 28, 0.97); border-bottom: 1px solid var(--gold-faint);
  }
  .site-nav.menu-open .nav-menu { display: block; }
  .nav-menu ul { flex-direction: column; gap: 0; }
  .nav-menu a { display: block; padding: 0.9rem 0; border-bottom: 1px solid rgba(255, 255, 255, 0.06); }
  .nav-menu a::after { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100vh; min-height: 100svh;
  display: flex; flex-direction: column; overflow: hidden;
}
/* Hero: darken behind the text so the title and countdown stay readable */
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    linear-gradient(180deg, rgba(5, 8, 22, 0.75) 0, rgba(5, 8, 22, 0.15) 22%, transparent 40%),
    radial-gradient(ellipse 62% 58% at 50% 48%, rgba(5, 8, 22, 0.72), rgba(5, 8, 22, 0.38) 60%, rgba(5, 8, 22, 0.14) 100%),
    linear-gradient(0deg, rgba(6, 10, 26, 0.72) 0, rgba(6, 10, 26, 0) 22%);
}

.hero-inner {
  position: relative; z-index: 2; flex: 1;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center;
  padding: calc(var(--nav-h) + 2.5rem) 1.25rem 3.5rem;
}

.hero-college {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(0.95rem, 2.4vw, 1.4rem); letter-spacing: 0.08em; color: var(--gold-soft);
}
.hero-dept { color: #CBCFE0; font-size: 1.05rem; margin-top: 0.15rem; }

.hero-title { margin: 1rem 0 0; display: flex; flex-direction: column; align-items: center; }
.title-main {
  font-weight: 800; font-size: clamp(3.2rem, 12vw, 7.5rem); line-height: 1; letter-spacing: 0.02em;
  background: linear-gradient(180deg, #FFF1C2 0%, #E4B95F 48%, #B9832E 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
  filter: drop-shadow(0 0 26px rgba(228, 185, 95, 0.35));
}
.title-year {
  display: flex; align-items: center; gap: 1rem; margin-top: 0.4rem;
  font-weight: 600; font-size: clamp(1.5rem, 4vw, 2.5rem); letter-spacing: 0.35em;
  padding-left: 0.35em; color: var(--gold-soft);
}
.title-year::before, .title-year::after {
  content: ""; width: clamp(30px, 8vw, 90px); height: 1px; background: var(--gold-dim);
}

.hero-tag {
  margin-top: 1.1rem; font-family: var(--font-display); font-size: clamp(1.1rem, 2.6vw, 1.5rem);
  letter-spacing: 0.12em; color: var(--text);
}
.hero-sub { margin-top: 0.4rem; max-width: 34rem; color: #CBCFE0; }
.hero-date {
  margin-top: 0.9rem; font-family: var(--font-display); font-weight: 600;
  font-size: 1.15rem; color: var(--gold);
}

/* Countdown */
.countdown {
  display: grid; grid-template-columns: repeat(4, minmax(0, 104px));
  gap: 0.75rem; justify-content: center; margin-top: 1.4rem;
}
.tile { padding: 0.9rem 0.3rem 0.7rem; border-radius: 2px; }
.num {
  display: block; font-family: var(--font-display); font-weight: 700;
  font-size: clamp(1.7rem, 5vw, 2.6rem); line-height: 1.1; color: var(--gold-soft);
  font-variant-numeric: tabular-nums;
}
.lab { display: block; margin-top: 0.15rem; font-size: 0.9rem; color: var(--muted); }
.count-status { margin-top: 0.8rem; min-height: 1.6em; font-style: italic; color: var(--gold-soft); }

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; justify-content: center; margin-top: 1.4rem; }

/* One orchestrated entrance for the hero */
.rise { animation: rise 0.9s cubic-bezier(0.2, 0.7, 0.2, 1) both; animation-delay: calc(var(--d, 0) * 110ms + 80ms); }
@keyframes rise { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }

@media (max-width: 640px) {
  .countdown { gap: 0.5rem; grid-template-columns: repeat(4, minmax(0, 1fr)); width: 100%; max-width: 360px; }
}

/* ---------- Sections ---------- */
.section { padding: clamp(4rem, 9vw, 7rem) 0; background: rgba(6, 10, 26, 0.8); }
.about { background: linear-gradient(180deg, rgba(6, 10, 26, 0.8) 0, rgba(6, 10, 26, 0.8) 100%); }

.section-head { text-align: center; margin-bottom: clamp(2rem, 5vw, 3.5rem); }
.section-head h2 { font-size: clamp(1.8rem, 4.2vw, 2.8rem); }
.section-head h2::after {
  content: ""; display: block; width: 100px; height: 1px; margin: 1rem auto 0;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.section-intro { max-width: 40rem; margin: 1rem auto 0; color: var(--muted); }

/* Diamond bullets */
.gem-list li { position: relative; padding-left: 1.5rem; margin-top: 0.75rem; }
.gem-list li:first-child { margin-top: 0; }
.gem-list li::before {
  content: ""; position: absolute; left: 0; top: 0.6em;
  width: 7px; height: 7px; background: var(--gold); transform: rotate(45deg);
}

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(2rem, 5vw, 3.5rem); align-items: start; }
.about-copy p { max-width: 38rem; }
.about-copy p + p { margin-top: 1rem; color: var(--muted); }
.lead { font-size: clamp(1.25rem, 2.4vw, 1.55rem); line-height: 1.5; color: var(--text); }

.facts { margin-top: 2rem; }
.facts > div {
  display: grid; grid-template-columns: 6.5rem 1fr; gap: 1rem;
  padding: 0.8rem 0; border-top: 1px solid var(--gold-faint);
}
.facts > div:last-child { border-bottom: 1px solid var(--gold-faint); }
.facts dt { font-family: var(--font-display); font-weight: 600; color: var(--gold); font-size: 1rem; }

.objectives { padding: 2rem 1.9rem; border-radius: 2px; }
.objectives h3 { font-size: 1.4rem; margin-bottom: 1.2rem; }

@media (max-width: 860px) {
  .about-grid { grid-template-columns: 1fr; }
}

/* ---------- Domains ---------- */
.domain-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-bottom: 1.6rem; }

.domain-tab {
  position: relative; text-align: left; cursor: pointer; font: inherit; color: var(--text);
  padding: 1.3rem 1.3rem 1.25rem; border-radius: 6px;
  background: rgba(var(--accent-rgb), 0.06);
  border: 1px solid rgba(var(--accent-rgb), 0.32);
  transition: background 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.domain-tab .icon { color: var(--accent); width: 38px; height: 38px; }
.tab-name { display: block; margin-top: 0.7rem; font-family: var(--font-display); font-weight: 600; font-size: 1.2rem; color: var(--gold-soft); }
.tab-line { display: block; margin-top: 0.25rem; color: var(--muted); font-size: 1rem; }
.domain-tab:hover { background: rgba(var(--accent-rgb), 0.12); }
.domain-tab[aria-selected="true"] {
  background: rgba(var(--accent-rgb), 0.16);
  border-color: var(--accent);
  box-shadow: 0 12px 40px -14px rgba(var(--accent-rgb), 0.6);
}
.domain-tab[aria-selected="true"]::after {   /* caret pointing at the panel */
  content: ""; position: absolute; left: 50%; bottom: -31px; width: 14px; height: 14px;
  background: var(--navy); border-top: 1px solid var(--accent); border-left: 1px solid var(--accent);
  transform: translateX(-50%) rotate(45deg); z-index: 2;
}

.domain-panel {
  --accent: #8F7DFF; --accent-rgb: 143, 125, 255;
  position: relative; border-radius: 6px; background: var(--navy);
  border: 1px solid rgba(var(--accent-rgb), 0.55);
  padding: clamp(1.25rem, 3.5vw, 2.5rem);
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 3rem);
}
.domain-panel.swap { animation: panel-in 0.32s ease-out; }
@keyframes panel-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

.panel-head { display: flex; align-items: center; gap: 0.9rem; }
.panel-icon { color: var(--accent); }
.panel-icon .icon { width: 44px; height: 44px; }
.panel-head h3 { font-size: clamp(1.4rem, 3vw, 1.9rem); }
.panel-summary { margin-top: 1.1rem; font-size: 1.25rem; line-height: 1.5; color: var(--text); }
.panel-brief { font-size: 1.1rem; color: var(--muted); }
.panel-right h4 { margin-top: 1.6rem; font-size: 1.05rem; color: var(--accent); }
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.7rem; }
.chips li {
  padding: 0.25rem 0.75rem; font-size: 0.98rem; color: var(--text);
  border: 1px solid rgba(var(--accent-rgb), 0.45); border-radius: 999px;
}

@media (max-width: 900px) {
  .domain-panel { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .domain-tabs { grid-template-columns: 1fr; margin-bottom: 1rem; }
  .domain-tab { display: grid; grid-template-columns: 44px 1fr; column-gap: 0.9rem; align-items: center; padding: 1rem; }
  .domain-tab .icon { grid-row: span 2; }
  .tab-name { margin-top: 0; }
  .domain-tab[aria-selected="true"]::after { display: none; }
}

/* ---------- Details ---------- */
.details-grid { display: grid; grid-template-columns: 1.25fr 1fr 1fr; gap: 1.25rem; align-items: stretch; }
.card { padding: 2rem 1.8rem; border-radius: 2px; }
.card h3 { font-size: 1.3rem; margin-bottom: 1rem; }

.prize { display: flex; flex-direction: column; }
.prize .icon-lg { width: 46px; height: 46px; color: var(--gold); margin-bottom: 1rem; }
.prize-main { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.4rem, 2.4vw, 1.75rem); line-height: 1.25; color: var(--gold); margin-bottom: 0.6rem; }
.prize hr { border: 0; height: 1px; margin: 1.3rem 0; background: linear-gradient(90deg, var(--gold-dim), transparent); }
.prize-sub { color: var(--text); }

@media (max-width: 1000px) {
  .details-grid { grid-template-columns: 1fr 1fr; }
  .prize { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  .details-grid { grid-template-columns: 1fr; }
}

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1.25rem; }
.contact-grid .card { padding: 1.6rem 1.5rem; }
.contact-grid .card h3 { font-size: 1.1rem; margin-bottom: 0.6rem; }
.contact-grid p { color: var(--muted); }
.contact-grid a { display: inline-block; margin-top: 0.3rem; color: var(--gold-soft); text-underline-offset: 3px; overflow-wrap: anywhere; }
.contact-grid a:hover { color: var(--gold); }

.register-band { margin-top: clamp(3rem, 7vw, 5rem); text-align: center; }
.band-line { font-family: var(--font-display); font-weight: 600; font-size: clamp(1.4rem, 3.4vw, 2.1rem); color: var(--gold-soft); margin-bottom: 1.4rem; }

/* ---------- Footer ---------- */
.site-footer { padding: 2.5rem 0 3rem; text-align: center; border-top: 1px solid var(--gold-faint); color: var(--muted); background: rgba(6, 10, 26, 0.88); }
.foot-brand { font-family: var(--font-display); font-weight: 700; font-size: 1.3rem; color: var(--gold-soft); }
.foot-note { margin-top: 0.6rem; font-style: italic; color: var(--gold); }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}