/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: 60px;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}

nav.scrolled {
  background: rgba(0, 0, 0, 0.97);
}

.nav-logo {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--white);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--white); }

.nav-ticket {
  font-size: 12px !important;
  font-weight: 500 !important;
  letter-spacing: 0.1em !important;
  text-transform: uppercase !important;
  color: var(--white) !important;
  border: 1px solid #444;
  padding: 8px 18px;
  transition: border-color 0.2s !important;
}

.nav-ticket:hover {
  border-color: var(--white) !important;
}

.nav-lang {
  display: flex;
  gap: 12px;
}

.nav-lang a {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
  transition: color 0.2s;
}

.nav-lang a.active,
.nav-lang a:hover { color: var(--white); }

/* Theme toggle button */
.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--gray);
  padding: 4px;
  line-height: 0;
  transition: color 0.2s;
  margin-right: 12px;
}

.theme-toggle:hover { color: var(--white); }

.theme-toggle svg { display: block; }

/* Default (dark mode): show sun, hide moon */
.icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: block; }

/* Logo images — one per theme */
.logo-white,
.logo-black {
  height: 28px;
  width: auto;
  display: block;
}

/* Dark mode: show white logo */
.logo-black { display: none; }
.logo-white { display: block; }

/* Light mode: show black logo */
[data-theme="light"] .logo-white { display: none; }
[data-theme="light"] .logo-black { display: block; }

.nav-logo-text {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--white);
}

/* Mobile hamburger — hidden on desktop */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--white);
  transition: transform 0.3s, opacity 0.3s;
}

.nav-hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Mobile nav — fullscreen screen */
.nav-mobile {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  min-height: 100vh;
  min-height: -webkit-fill-available;
  background: #000;
  z-index: 300;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  padding: 0 40px 60px;
  pointer-events: none;
}

.nav-mobile.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.nav-mobile-top {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  border-bottom: 1px solid var(--border);
}

.nav-mobile-logo {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--white);
}

.nav-mobile-close {
  background: none;
  border: none;
  color: var(--gray);
  font-size: 18px;
  cursor: pointer;
  padding: 8px;
  line-height: 1;
  transition: color 0.2s;
}

.nav-mobile-close:hover { color: var(--white); }

.nav-mobile ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  margin-bottom: 48px;
  width: 100%;
}

.nav-mobile ul li {
  width: 100%;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.nav-mobile ul li:first-child {
  border-top: 1px solid var(--border);
}

.nav-mobile ul a {
  display: block;
  padding: 22px 0;
  font-family: var(--font-serif);
  font-size: 30px;
  font-weight: 400;
  color: var(--gray);
  transition: color 0.2s;
}

.nav-mobile ul a:hover,
.nav-mobile ul a:active { color: var(--white); }

/* ── SECTION COMMONS ── */
section { padding: 100px 40px; }

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 60px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 20px;
}

/* ── FOOTER ── */
footer {
  background: var(--black);
  border-top: 1px solid var(--border);
  padding: 60px 40px 40px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 60px;
}

.footer-logo {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.footer-logo span {
  display: block;
  font-size: 11px;
  font-weight: 300;
  color: var(--gray);
  letter-spacing: 0.1em;
  margin-top: 6px;
}

.footer-links {
  display: flex;
  gap: 80px;
}

.footer-col h4 {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 20px;
}

.footer-col ul { list-style: none; }

.footer-col ul li { margin-bottom: 12px; }

.footer-col ul li a {
  font-size: 13px;
  font-weight: 300;
  color: #888;
  transition: color 0.2s;
}

.footer-col ul li a:hover { color: var(--white); }

.footer-social {
  display: flex;
  gap: 20px;
}

.footer-social a {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray);
  transition: color 0.2s;
}

.footer-social a:hover { color: var(--white); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.footer-bottom p {
  font-size: 11px;
  color: #444;
  letter-spacing: 0.06em;
}

.footer-sponsors {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-sponsors span {
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #444;
  margin-right: 12px;
}