:root {
  color-scheme: dark;
  --bg: #070a18;
  --bg-2: #0d1024;
  --surface: rgba(255, 255, 255, 0.075);
  --surface-strong: rgba(255, 255, 255, 0.13);
  --surface-soft: rgba(255, 255, 255, 0.045);
  --border: rgba(255, 255, 255, 0.16);
  --border-strong: rgba(255, 255, 255, 0.25);
  --text: #f7f8ff;
  --text-soft: #ccd2e7;
  --text-muted: #919ab8;
  --accent: #9bf7ff;
  --accent-2: #a879ff;
  --accent-3: #54e28d;
  --gold: #f9dd8f;
  --danger: #ff7a90;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.38);
  --shadow-soft: 0 16px 50px rgba(0, 0, 0, 0.25);
  --radius-xl: 34px;
  --radius-lg: 26px;
  --radius-md: 18px;
  --container: min(1180px, calc(100% - 40px));
  --header-height: 82px;
  --font-body: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: "Space Grotesk", "Inter", sans-serif;
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #f5f8ff;
  --bg-2: #eef3ff;
  --surface: rgba(255, 255, 255, 0.68);
  --surface-strong: rgba(255, 255, 255, 0.86);
  --surface-soft: rgba(255, 255, 255, 0.52);
  --border: rgba(16, 24, 40, 0.12);
  --border-strong: rgba(16, 24, 40, 0.18);
  --text: #06111f;
  --text-soft: #2e3950;
  --text-muted: #667085;
  --accent: #006dff;
  --accent-2: #7c3aed;
  --accent-3: #079455;
  --gold: #b7791f;
  --shadow: 0 28px 90px rgba(44, 63, 107, 0.17);
  --shadow-soft: 0 16px 50px rgba(44, 63, 107, 0.12);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  background:
    radial-gradient(circle at 15% 12%, color-mix(in srgb, var(--accent) 15%, transparent), transparent 30%),
    radial-gradient(circle at 86% 15%, color-mix(in srgb, var(--accent-2) 18%, transparent), transparent 35%),
    linear-gradient(135deg, var(--bg), var(--bg-2));
  color: var(--text);
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

button,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

::selection {
  color: #06111f;
  background: var(--accent);
}

.material-symbols-rounded {
  font-family: "Material Symbols Rounded";
  font-weight: normal;
  font-style: normal;
  font-size: 1.22rem;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-flex;
  white-space: nowrap;
  direction: ltr;
  -webkit-font-feature-settings: "liga";
  -webkit-font-smoothing: antialiased;
}

.skip-link {
  position: fixed;
  top: 14px;
  left: 16px;
  z-index: 9999;
  padding: 12px 16px;
  border-radius: 999px;
  color: var(--text);
  background: var(--surface-strong);
  border: 1px solid var(--border);
  backdrop-filter: blur(20px);
  transform: translateY(-160%);
  transition: transform 220ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.page-ambient {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
}

.ambient-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: radial-gradient(circle at 50% 15%, black 0%, transparent 72%);
  opacity: 0.42;
}

html[data-theme="light"] .ambient-grid {
  background-image:
    linear-gradient(rgba(16, 24, 40, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 24, 40, 0.055) 1px, transparent 1px);
}

.ambient-orb {
  position: absolute;
  width: 34rem;
  height: 34rem;
  border-radius: 999px;
  filter: blur(62px);
  opacity: 0.35;
  animation: ambient-float 13s ease-in-out infinite alternate;
}

.ambient-orb-1 {
  left: -12rem;
  top: 12rem;
  background: color-mix(in srgb, var(--accent) 45%, transparent);
}

.ambient-orb-2 {
  right: -13rem;
  top: -7rem;
  background: color-mix(in srgb, var(--accent-2) 48%, transparent);
  animation-delay: -5s;
}

.ambient-orb-3 {
  right: 20%;
  bottom: -18rem;
  background: color-mix(in srgb, var(--accent-3) 28%, transparent);
  animation-delay: -9s;
}

@keyframes ambient-float {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(34px, -26px, 0) scale(1.08); }
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  min-height: var(--header-height);
  width: 100%;
  padding: 14px max(20px, calc((100vw - 1180px) / 2));
  display: flex;
  align-items: center;
  gap: 22px;
  transition: background 250ms ease, border-color 250ms ease, box-shadow 250ms ease;
}

.site-header.sticky {
  background: rgba(7, 10, 24, 0.72);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(24px);
}

html[data-theme="light"] .site-header.sticky {
  background: rgba(245, 248, 255, 0.78);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 900;
  letter-spacing: -0.04em;
  min-width: 155px;
}

.brand-mark {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 17px;
  color: #06111f;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), #fff 44%, var(--accent-2));
  box-shadow: 0 16px 36px color-mix(in srgb, var(--accent) 22%, transparent);
}

.brand-name {
  text-transform: uppercase;
}

.navigation {
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(24px);
}

.navigation a {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 13px;
  border-radius: 999px;
  color: var(--text-soft);
  font-size: 0.91rem;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
  transition: color 180ms ease, background 180ms ease, transform 180ms ease;
}

.navigation a:hover,
.navigation a.active {
  color: var(--text);
  background: var(--surface-strong);
}

.navigation a:hover {
  transform: translateY(-1px);
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  min-width: 170px;
}

.theme-toggle,
.menu-btn,
.language-toggle,
.scrollToTop-btn {
  display: inline-grid;
  place-items: center;
  min-width: 48px;
  min-height: 48px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(20px);
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.theme-toggle:hover,
.menu-btn:hover,
.language-toggle:hover,
.scrollToTop-btn:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  background: var(--surface-strong);
}

.theme-light,
html[data-theme="light"] .theme-dark {
  display: none;
}

html[data-theme="light"] .theme-light {
  display: inline-flex;
}

.menu-btn {
  display: none;
}

.menu-icon-close,
.menu-btn.active .menu-icon-open {
  display: none;
}

.menu-btn.active .menu-icon-close {
  display: inline-flex;
}

.language-switcher {
  position: relative;
}

.language-toggle {
  grid-auto-flow: column;
  gap: 9px;
  padding-inline: 15px;
  font-weight: 900;
}

.language-toggle img,
.language-option img {
  width: 22px;
  height: 22px;
  border-radius: 999px;
  object-fit: cover;
}

.language-menu {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  width: 210px;
  padding: 9px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: var(--surface-strong);
  box-shadow: var(--shadow);
  backdrop-filter: blur(26px);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px) scale(0.98);
  transition: opacity 200ms ease, visibility 200ms ease, transform 200ms ease;
}

.language-menu.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.language-option {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 0 10px;
  border: 0;
  border-radius: 14px;
  color: var(--text-soft);
  background: transparent;
  cursor: pointer;
  font-weight: 800;
  text-align: left;
  transition: background 180ms ease, color 180ms ease;
}

.language-option:hover,
.language-option.active {
  color: var(--text);
  background: var(--surface-strong);
}

.fallback-flag {
  display: none;
  width: 22px;
  height: 22px;
  align-items: center;
  justify-content: center;
}

/* Global components */
.section-block {
  width: var(--container);
  margin-inline: auto;
  padding: clamp(80px, 9vw, 130px) 0;
}

.section-heading {
  max-width: 760px;
  margin: 0 auto clamp(34px, 5vw, 58px);
  text-align: center;
}

.section-kicker,
.profile-kicker {
  display: inline-flex;
  margin-bottom: 10px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.section-title {
  position: relative;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 4.4rem);
  line-height: 0.96;
  letter-spacing: -0.065em;
}

.section-title::after {
  content: "";
  display: block;
  width: 120px;
  height: 5px;
  margin: 24px auto 0;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--accent), var(--accent-2), transparent);
}

.section-heading p {
  margin: 20px auto 0;
  color: var(--text-soft);
  font-size: 1.04rem;
  line-height: 1.75;
}

.glass-card {
  border: 1px solid var(--border);
  background:
    linear-gradient(180deg, var(--surface-strong), var(--surface-soft)),
    radial-gradient(circle at 30% 0%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 44%);
  box-shadow: var(--shadow);
  backdrop-filter: blur(28px);
}

.btn {
  position: relative;
  isolation: isolate;
  min-height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 22px;
  border-radius: 999px;
  color: var(--text);
  font-weight: 900;
  text-decoration: none;
  overflow: hidden;
  transition: transform 190ms ease, box-shadow 190ms ease, border-color 190ms ease;
}

.btn::before {
  content: "";
  position: absolute;
  inset: 1px;
  z-index: -1;
  border-radius: inherit;
  opacity: 0;
  transition: opacity 190ms ease;
}

.btn:hover {
  transform: translateY(-3px);
}

.btn:hover::before {
  opacity: 1;
}

.btn-primary {
  color: #06111f;
  background: linear-gradient(135deg, var(--accent), #fff 42%, var(--accent-2));
  box-shadow: 0 20px 44px color-mix(in srgb, var(--accent) 20%, transparent);
}

.btn-primary::before {
  background: linear-gradient(135deg, #fff, var(--accent));
}

.btn-secondary {
  border: 1px solid var(--border);
  background: var(--surface);
  backdrop-filter: blur(18px);
}

.btn-secondary::before {
  background: var(--surface-strong);
}

.section-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

/* Hero */
.hero-section {
  position: relative;
  min-height: 100svh;
  padding: calc(var(--header-height) + 54px) 0 46px;
  display: grid;
  align-items: center;
  overflow: hidden;
}

.hero-section::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--bg) 96%, transparent) 0%, color-mix(in srgb, var(--bg) 68%, transparent) 48%, transparent 100%),
    radial-gradient(circle at 72% 40%, color-mix(in srgb, var(--accent-2) 20%, transparent), transparent 38%);
}

.hero-noise {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.18;
  background-image: url("../assets/bg.jpg");
  background-size: cover;
  background-position: center;
  filter: saturate(1.05) contrast(1.04);
  mask-image: linear-gradient(90deg, transparent 0%, black 44%, black 100%);
}

.hero-layout {
  width: var(--container);
  margin-inline: auto;
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(360px, 0.78fr);
  align-items: center;
  gap: clamp(38px, 7vw, 96px);
}

.hero-content {
  max-width: 720px;
}

.eyebrow {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 26px;
  padding: 10px 15px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-soft);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(22px);
  font-weight: 900;
}

.eyebrow .material-symbols-rounded {
  color: var(--gold);
}

.hero-content h1 {
  max-width: 850px;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.9rem, 5.7vw, 5.8rem);
  line-height: 0.97;
  letter-spacing: -0.065em;
  text-wrap: balance;
}

.animated-text {
  position: relative;
  height: 52px;
  margin-top: 24px;
  overflow: hidden;
}

.animated-text h3 {
  margin: 0;
  height: 52px;
  color: var(--accent);
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3vw, 2.45rem);
  line-height: 52px;
  letter-spacing: -0.045em;
  text-shadow: 0 0 36px color-mix(in srgb, var(--accent) 26%, transparent);
}

.animated-text h3:first-child {
  animation: text-move 13s infinite;
}

@keyframes text-move {
  0%, 17% { margin-top: 0; }
  20%, 37% { margin-top: -52px; }
  40%, 57% { margin-top: -104px; }
  60%, 77% { margin-top: -156px; }
  80%, 97% { margin-top: -208px; }
  100% { margin-top: 0; }
}

.hero-description {
  max-width: 665px;
  margin: 24px 0 0;
  color: var(--text-soft);
  font-size: clamp(1rem, 1.4vw, 1.14rem);
  line-height: 1.78;
}

.hero-actions {
  margin-top: 32px;
}

.topic-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.topic-pills span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 13px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-soft);
  background: var(--surface-soft);
  font-weight: 850;
  backdrop-filter: blur(16px);
}

.topic-pills .material-symbols-rounded {
  color: var(--accent);
}

.hero-panel {
  position: relative;
  min-height: 590px;
  display: grid;
  place-items: center;
}

.session-showcase {
  position: relative;
  width: min(100%, 450px);
  padding: 18px;
  border-radius: var(--radius-xl);
}

.showcase-status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  padding: 9px 12px;
  border-radius: 999px;
  color: var(--text-soft);
  background: rgba(0, 0, 0, 0.16);
  font-size: 0.84rem;
  font-weight: 850;
}

html[data-theme="light"] .showcase-status {
  background: rgba(255, 255, 255, 0.54);
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-3);
  box-shadow: 0 0 0 7px color-mix(in srgb, var(--accent-3) 18%, transparent);
}

.showcase-collage {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  overflow: hidden;
  border-radius: 26px;
}

.showcase-collage img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface-soft);
  filter: saturate(1.05) contrast(1.02);
}

.showcase-content {
  padding: 22px 5px 10px;
}

.showcase-content h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.1rem);
  line-height: 1;
  letter-spacing: -0.055em;
}

.showcase-content p {
  margin: 12px 0 0;
  color: var(--text-soft);
  line-height: 1.68;
}

.showcase-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  padding: 0 5px 4px;
}

.showcase-tags span {
  padding: 8px 11px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-soft);
  background: var(--surface-soft);
  font-size: 0.78rem;
  font-weight: 850;
}

.floating-chip {
  position: absolute;
  width: min(280px, 76vw);
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: var(--surface-strong);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(24px);
  animation: float-card 5.5s ease-in-out infinite;
}

.floating-chip .material-symbols-rounded {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 15px;
  color: #06111f;
  background: linear-gradient(135deg, var(--accent), #fff);
}

.floating-chip strong,
.floating-chip small {
  display: block;
}

.floating-chip strong {
  font-family: var(--font-display);
  letter-spacing: -0.035em;
}

.floating-chip small {
  margin-top: 4px;
  color: var(--text-muted);
  line-height: 1.35;
}

.chip-one {
  left: -34px;
  top: 18%;
}

.chip-two {
  right: -20px;
  bottom: 13%;
  animation-delay: -2.4s;
}

@keyframes float-card {
  0%, 100% { transform: translateY(0) rotate(-1deg); }
  50% { transform: translateY(-16px) rotate(1deg); }
}

.hero-metrics {
  width: var(--container);
  margin: 34px auto 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.metric-card {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px);
}

.metric-card strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.3vw, 1.8rem);
  letter-spacing: -0.04em;
}

.metric-card span {
  display: block;
  margin-top: 7px;
  color: var(--text-muted);
  line-height: 1.5;
  font-weight: 650;
}

/* Tracks */
.tracks-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.track-card {
  position: relative;
  min-height: 260px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(22px);
  overflow: hidden;
  transition: transform 220ms ease, border-color 220ms ease, background 220ms ease;
}

.track-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 0%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 42%);
  opacity: 0;
  transition: opacity 220ms ease;
}

.track-card:hover {
  transform: translateY(-7px);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  background: var(--surface-strong);
}

.track-card:hover::before {
  opacity: 1;
}

.track-card > * {
  position: relative;
}

.track-card .material-symbols-rounded {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  color: #06111f;
  background: linear-gradient(135deg, var(--accent), #fff 55%, var(--accent-2));
  box-shadow: 0 18px 42px color-mix(in srgb, var(--accent) 18%, transparent);
}

.track-card h3 {
  margin: 24px 0 10px;
  font-family: var(--font-display);
  font-size: 1.35rem;
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.track-card p {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.65;
}

/* Sessions library */
.sessions-toolbar {
  display: grid;
  grid-template-columns: 1fr minmax(240px, 330px);
  gap: 14px;
  align-items: center;
  margin-bottom: 18px;
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.filter-chip {
  min-height: 42px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-soft);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px);
  cursor: pointer;
  font-weight: 850;
  transition: color 180ms ease, background 180ms ease, transform 180ms ease, border-color 180ms ease;
}

.filter-chip:hover,
.filter-chip.active {
  color: var(--text);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  background: var(--surface-strong);
  transform: translateY(-2px);
}

.search-box {
  min-height: 48px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-muted);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px);
}

.search-box:focus-within {
  border-color: color-mix(in srgb, var(--accent) 56%, var(--border));
}

.search-box input {
  width: 100%;
  border: 0;
  outline: 0;
  color: var(--text);
  background: transparent;
  font-weight: 750;
}

.search-box input::placeholder {
  color: var(--text-muted);
}

.results-count {
  margin: 0 0 20px;
  color: var(--text-muted);
  font-weight: 800;
}

.sessions-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.session-card {
  position: relative;
  min-width: 0;
  display: grid;
  grid-template-rows: auto 1fr;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(22px);
  overflow: hidden;
  transition: transform 220ms ease, border-color 220ms ease, background 220ms ease;
}

.session-card:hover {
  transform: translateY(-7px);
  border-color: color-mix(in srgb, var(--accent) 48%, var(--border));
  background: var(--surface-strong);
}

.session-media {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 10%, color-mix(in srgb, var(--accent) 20%, transparent), transparent 42%),
    linear-gradient(135deg, var(--surface-strong), var(--surface-soft));
}

.session-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 48%, rgba(0, 0, 0, 0.66)),
    linear-gradient(226deg, rgba(255,255,255,0.26), transparent 38%);
  opacity: 0.78;
  transition: opacity 220ms ease;
}

html[data-theme="light"] .session-media::after {
  background:
    linear-gradient(180deg, transparent 48%, rgba(6, 17, 31, 0.28)),
    linear-gradient(226deg, rgba(255,255,255,0.38), transparent 38%);
}

.session-card:hover .session-media::after {
  opacity: 0.56;
}

.session-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 520ms cubic-bezier(0.18, 0.9, 0.58, 1), filter 220ms ease;
}

.session-card:hover .session-media img {
  transform: scale(1.055);
  filter: saturate(1.08) contrast(1.03);
}

.session-badge {
  position: absolute;
  left: 14px;
  top: 14px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 34px;
  padding: 0 10px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  color: #fff;
  background: rgba(7, 10, 24, 0.48);
  backdrop-filter: blur(16px);
  font-size: 0.78rem;
  font-weight: 900;
}

.session-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 250px;
  padding: 20px;
}

.session-body h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.32rem;
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.session-body p {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.68;
}

.session-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.session-tags span {
  padding: 7px 9px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-muted);
  background: var(--surface-soft);
  font-size: 0.76rem;
  font-weight: 850;
}

.no-results {
  grid-column: 1 / -1;
  padding: 34px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  color: var(--text-soft);
  background: var(--surface);
  text-align: center;
  font-weight: 850;
}

/* CTA */
.cta-section {
  padding-top: 20px;
}

.cta-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: clamp(26px, 4vw, 42px);
  border-radius: var(--radius-xl);
}

.cta-card h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 0.98;
  letter-spacing: -0.06em;
}

.cta-card p {
  max-width: 680px;
  margin: 14px 0 0;
  color: var(--text-soft);
  line-height: 1.7;
}

.footer {
  margin-top: 20px;
  padding: 34px 20px;
  border-top: 1px solid var(--border);
  color: var(--text-soft);
  background: rgba(0, 0, 0, 0.14);
  text-align: center;
  backdrop-filter: blur(16px);
}

html[data-theme="light"] .footer {
  background: rgba(255, 255, 255, 0.36);
}

.footer-title {
  display: block;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.footer p {
  margin: 9px 0 0;
}

.footer a {
  color: var(--accent);
  font-weight: 850;
  text-decoration: none;
}

.scrollToTop-btn {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
}

.scrollToTop-btn.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 780ms ease, transform 780ms ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 76%, white);
  outline-offset: 4px;
}

@media (max-width: 1180px) {
  .site-header {
    padding-inline: 20px;
  }

  .brand {
    min-width: auto;
  }

  .navigation a {
    padding-inline: 10px;
    font-size: 0.86rem;
  }
}

@media (max-width: 1040px) {
  :root {
    --header-height: 76px;
  }

  .site-header {
    justify-content: space-between;
  }

  .menu-btn {
    display: inline-grid;
    order: 3;
  }

  .navigation {
    position: fixed;
    top: calc(var(--header-height) + 12px);
    left: 20px;
    right: 20px;
    z-index: 999;
    display: grid;
    gap: 8px;
    padding: 14px;
    border-radius: 28px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px) scale(0.98);
    transition: opacity 220ms ease, visibility 220ms ease, transform 220ms ease;
  }

  .navigation.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
  }

  .navigation a {
    min-height: 48px;
    font-size: 1rem;
  }

  .header-actions {
    min-width: auto;
    margin-left: auto;
  }

  .hero-layout {
    grid-template-columns: 1fr;
    padding-top: 36px;
  }

  .hero-panel {
    min-height: auto;
  }

  .floating-chip {
    position: relative;
    inset: auto;
    width: 100%;
    margin-top: 14px;
    animation: none;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .tracks-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .sessions-toolbar {
    grid-template-columns: 1fr;
  }

  .sessions-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cta-card {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 760px) {
  :root {
    --container: min(100% - 28px, 1180px);
  }

  .brand-name {
    display: none;
  }

  .language-toggle {
    padding-inline: 12px;
  }

  .hero-section {
    padding-top: calc(var(--header-height) + 28px);
  }

  .hero-content h1 {
    font-size: clamp(2.45rem, 12vw, 4.2rem);
  }

  .section-actions,
  .topic-pills {
    align-items: stretch;
    flex-direction: column;
  }

  .btn,
  .topic-pills span {
    width: 100%;
  }

  .tracks-grid,
  .sessions-grid {
    grid-template-columns: 1fr;
  }

  .session-body {
    min-height: auto;
  }
}

@media (max-width: 480px) {
  .header-actions {
    gap: 8px;
  }

  .language-toggle img {
    display: none;
  }

  .language-menu {
    right: -60px;
  }

  .showcase-collage {
    gap: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}