/* Baby Sing–2026 — light theme */

:root {
  --bg: #FFFCF8;
  --bg-card: #FFFFFF;
  --bg-elevated: #FFF5F8;
  --bg-section-alt: #F8F4FF;
  --text: #1A1230;
  --text-muted: #7A6B8A;
  --accent: #E8476A;
  --accent-2: #F5A623;
  --accent-soft: rgba(232, 71, 106, 0.1);
  --accent-glow: rgba(232, 71, 106, 0.22);
  --border: rgba(232, 71, 106, 0.14);
  --border-card: rgba(26, 18, 48, 0.08);
  --shadow-sm: 0 2px 8px rgba(26, 18, 48, 0.07);
  --shadow-md: 0 6px 24px rgba(26, 18, 48, 0.1);
  --shadow-lg: 0 16px 48px rgba(26, 18, 48, 0.12);
  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body: "Outfit", system-ui, sans-serif;
  --radius: 14px;
  --radius-lg: 22px;
  --header-h: 72px;
  --transition: 0.22s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: #c9284f;
}

.container {
  width: min(1100px, 92vw);
  margin-inline: auto;
}

/* ── Header ─────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 252, 248, 0.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-card);
  box-shadow: 0 1px 16px rgba(26, 18, 48, 0.06);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: 100%;
  width: min(1100px, 92vw);
  margin-inline: auto;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.01em;
  margin-right: auto;
}

.nav-end {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.lang-switcher {
  display: flex;
  gap: 0.2rem;
}

.lang-flag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  font-size: 1.25rem;
  background: none;
  border: 2px solid transparent;
  border-radius: 50%;
  cursor: pointer;
  padding: 0;
  line-height: 1;
  transition: all var(--transition);
}

.lang-flag:hover {
  border-color: rgba(232, 71, 106, 0.35);
  transform: scale(1.12);
}

.lang-flag.active {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.nav-logo span {
  color: var(--accent);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu a {
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav-menu a:hover {
  color: var(--text);
}

.nav-cta {
  padding: 0.45rem 1.15rem;
  background: var(--accent-soft);
  border: 1.5px solid var(--accent);
  border-radius: 999px;
  color: var(--accent) !important;
  transition: all var(--transition);
}

.nav-cta:hover {
  background: var(--accent);
  color: #fff !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ── Hero ────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--header-h) + 2rem) 1.5rem 4rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 30% 10%, rgba(245, 166, 35, 0.18), transparent 55%),
    radial-gradient(ellipse 65% 50% at 75% 85%, rgba(232, 71, 106, 0.14), transparent 55%),
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(168, 130, 230, 0.1), transparent 60%),
    linear-gradient(160deg, #fff8f0 0%, #fff0f5 40%, #f6f0ff 100%);
  pointer-events: none;
}

.hero-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle 2px at 20% 30%, rgba(232, 71, 106, 0.2) 0%, transparent 60%),
    radial-gradient(circle 1.5px at 70% 20%, rgba(245, 166, 35, 0.25) 0%, transparent 60%),
    radial-gradient(circle 2px at 85% 65%, rgba(168, 130, 230, 0.2) 0%, transparent 60%),
    radial-gradient(circle 1px at 40% 80%, rgba(232, 71, 106, 0.15) 0%, transparent 60%);
  pointer-events: none;
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23E8476A' fill-opacity='0.035'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 1;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 0.35rem 1rem;
  border-radius: 999px;
  margin: 0 0 1.5rem;
  border: 1px solid rgba(232, 71, 106, 0.2);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 10vw, 6rem);
  font-weight: 700;
  line-height: 1.0;
  margin: 0 0 1.5rem;
  letter-spacing: -0.02em;
  color: var(--text);
  text-shadow: none;
}

.hero-title span {
  display: block;
  font-size: 0.52em;
  font-weight: 600;
  color: var(--accent);
  margin-top: 0.12em;
  letter-spacing: 0.04em;
}

.hero-meta {
  margin-bottom: 1.25rem;
}

.hero-date {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  font-weight: 600;
  margin: 0 0 0.35rem;
  color: var(--text);
}

.hero-venue {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin: 0;
}

.hero-organiser {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin: 0 0 2.25rem;
}

.hero-organiser strong {
  color: var(--text);
  font-weight: 600;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.85rem;
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 4px 16px var(--accent-glow);
}

.btn-primary:hover {
  background: #c9284f;
  border-color: #c9284f;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(232, 71, 106, 0.32);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border-color: rgba(232, 71, 106, 0.35);
}

.btn-outline:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  animation: float 2.5s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(7px); }
}

/* ── Sections ────────────────────────────────────────────── */
.section {
  padding: 5.5rem 0;
  border-top: 1px solid var(--border-card);
}

.section-header {
  text-align: center;
  margin-bottom: 2.75rem;
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 700;
  margin: 0 0 0.4rem;
  color: var(--text);
}

.section-sub {
  font-size: 0.82rem;
  color: var(--text-muted);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 0;
}

/* ── Language tabs ───────────────────────────────────────── */
.lang-tabs {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.lang-tab {
  padding: 0.48rem 1.3rem;
  font-family: var(--font-body);
  font-size: 0.83rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  background: var(--bg-card);
  color: var(--text-muted);
  border: 1.5px solid var(--border-card);
  border-radius: 999px;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.lang-tab:hover {
  color: var(--accent);
  border-color: rgba(232, 71, 106, 0.3);
}

.lang-tab.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 4px 14px var(--accent-glow);
}

.lang-panels {
  max-width: 680px;
  margin-inline: auto;
}

.lang-panel {
  display: none;
  padding: 2.25rem 2.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  font-size: 1.08rem;
  line-height: 1.8;
  box-shadow: var(--shadow-md);
}

.lang-panel.active {
  display: block;
}

.invite-salutation {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-style: italic;
  color: var(--accent);
  margin-top: 0;
}

.lang-panel p {
  margin: 0 0 1rem;
  color: var(--text-muted);
}

.lang-panel p:last-child {
  margin-bottom: 0;
}

.lang-panel strong {
  color: var(--text);
}

/* ── Regulations ─────────────────────────────────────────── */
.regulations {
  background: var(--bg-section-alt);
}

.regs-panels .regs-panel {
  display: none;
}

.regs-panels .regs-panel.active {
  display: block;
}

.regs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.regs-card {
  padding: 1.6rem 1.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}

.regs-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.regs-card.highlight {
  background: linear-gradient(135deg, #fff8f0, #fff4f7);
  border-color: rgba(232, 71, 106, 0.22);
  box-shadow: 0 4px 20px rgba(232, 71, 106, 0.1);
}

.regs-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
  margin: 0 0 0.75rem;
}

.regs-card p {
  margin: 0 0 0.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.regs-card ul {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--text-muted);
}

.regs-card li {
  margin-bottom: 0.35rem;
  font-size: 0.95rem;
}

.regs-card li strong {
  color: var(--text);
}

.age-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.25rem 1rem;
  list-style: none;
  padding: 0;
}

.age-list li::before {
  content: "· ";
  color: var(--accent);
}

.criteria {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.criteria li {
  padding: 0.32rem 0.85rem;
  background: var(--accent-soft);
  border: 1px solid rgba(232, 71, 106, 0.18);
  border-radius: 999px;
  font-size: 0.83rem;
  color: var(--accent);
  font-weight: 500;
  margin: 0;
}

.deadlines,
.fees {
  margin: 0;
}

.deadlines > div,
.fees > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--border-card);
}

.deadlines > div:last-child,
.fees > div:last-child {
  border-bottom: none;
}

.deadlines dt,
.fees dt {
  font-weight: 400;
  color: var(--text-muted);
  margin: 0;
  font-size: 0.95rem;
}

.deadlines dd,
.fees dd {
  margin: 0;
  font-weight: 700;
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 1.15rem;
}

.payment-info {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-card);
}

.payment-deadline {
  margin: 0 0 1rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.payment-deadline strong {
  color: var(--text);
}

.payment-accounts {
  margin: 0;
}

.payment-accounts > div {
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border-card);
}

.payment-accounts > div:last-child {
  border-bottom: none;
}

.payment-accounts dt {
  margin: 0 0 0.35rem;
  font-weight: 600;
  color: var(--text);
  font-size: 0.95rem;
}

.payment-accounts dd {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
  font-weight: 400;
  font-family: var(--font-body);
}

/* ── Technical rider ─────────────────────────────────────── */
.rider-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
  max-width: 900px;
  margin-inline: auto;
}

.rider-list li {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  font-weight: 500;
  color: var(--text);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}

.rider-list li:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.rider-icon {
  font-size: 1.6rem;
  flex-shrink: 0;
}

/* ── Registration ────────────────────────────────────────── */
.register {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border-card);
}

.register-email-box {
  max-width: 560px;
  margin-inline: auto;
  text-align: center;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 2.75rem 2.5rem;
  box-shadow: var(--shadow-lg);
}

.register-email-box p {
  margin: 0 0 1rem;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.register-email-link {
  display: inline-block;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.01em;
  margin-bottom: 1.5rem;
  transition: color var(--transition);
}

.register-email-link:hover {
  color: #c9284f;
}

.register-email-note {
  font-size: 0.9rem !important;
  line-height: 1.65;
  color: var(--text-muted);
}

.register-email-note strong {
  color: var(--accent);
}

/* ── Footer ──────────────────────────────────────────────── */
.site-footer {
  padding: 3rem 0;
  text-align: center;
  border-top: 1px solid var(--border-card);
  background: var(--bg);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 700;
  margin: 0;
  color: var(--text);
}

.footer-brand span {
  color: var(--accent);
}

.footer-inner p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-org {
  margin-top: 0.25rem !important;
}

.footer-top {
  margin-top: 0.75rem;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 500;
}

.footer-top:hover {
  color: var(--accent);
}

/* ── Mobile ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    padding: 1rem 0 1.5rem;
    background: rgba(255, 252, 248, 0.98);
    border-bottom: 1px solid var(--border-card);
    box-shadow: 0 8px 32px rgba(26, 18, 48, 0.1);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-menu li {
    width: 100%;
    text-align: center;
  }

  .nav-menu a {
    display: block;
    padding: 0.85rem 1rem;
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .register-email-box {
    padding: 2rem 1.25rem;
  }

  .lang-panel {
    padding: 1.5rem;
  }

  .hero-scroll {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero-scroll {
    animation: none;
  }
}