:root {
  --ink: #111318;
  --muted: #5d6673;
  --paper: #ffffff;
  --mist: #e8ebef;
  --line: #d9dee6;
  --navy: #12385a;
  --blue: #1264a8;
  --green: #3d7e6b;
  --gold: #d3a740;
  --shadow: 0 18px 45px rgba(18, 56, 90, 0.14);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  color: var(--ink);
  background: var(--mist);
}

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

a {
  color: inherit;
  text-decoration: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  padding: 10px clamp(16px, 5vw, 70px);
  background: rgba(232, 235, 239, 0.9);
  backdrop-filter: blur(18px);
}

.nav-shell {
  min-height: 104px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 22px;
  background: var(--paper);
  border-radius: 16px;
  box-shadow: 0 10px 28px rgba(17, 19, 24, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: max-content;
}

.brand-logo {
  width: clamp(124px, 14vw, 176px);
  height: auto;
}

.brand-event {
  padding-left: 14px;
  border-left: 1px solid var(--line);
  color: var(--navy);
  font-size: 0.82rem;
  font-weight: 800;
  line-height: 1.1;
  text-transform: uppercase;
}

.site-menu {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(16px, 2vw, 28px);
  color: #26313f;
  font-size: 0.95rem;
  font-weight: 700;
}

.site-menu a {
  transition: color 180ms ease;
}

.site-menu a:hover {
  color: var(--blue);
}

.menu-cta {
  padding: 13px 18px;
  border-radius: 8px;
  color: #fff;
  background: var(--navy);
}

.site-menu .menu-cta:hover {
  color: #fff;
  background: #0d2b46;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 23px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
}

main,
.site-footer {
  width: min(1140px, calc(100% - 32px));
  margin: 0 auto;
}

section {
  scroll-margin-top: 130px;
}

.hero {
  position: relative;
  margin-top: 40px;
  min-height: 610px;
}

.hero-media {
  position: relative;
  min-height: 504px;
  border-radius: var(--radius);
  overflow: hidden;
  background: #c8d5df;
}

.hero-media img {
  width: 100%;
  height: 504px;
  object-fit: cover;
  object-position: center 42%;
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 25, 43, 0) 50%, rgba(8, 25, 43, 0.42) 100%);
  pointer-events: none;
}

.hero-pill {
  position: absolute;
  top: 0;
  right: 0;
  z-index: 2;
  padding: 18px 21px;
  border-bottom-left-radius: 16px;
  background: var(--paper);
  color: var(--navy);
  font-size: 1rem;
  font-weight: 700;
}

.hero-card {
  position: relative;
  z-index: 3;
  width: min(1080px, calc(100% - 40px));
  margin: -112px auto 0;
  padding: clamp(26px, 4.5vw, 46px);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 930px;
  margin-bottom: 18px;
  font-size: clamp(3rem, 8vw, 6.8rem);
  line-height: 0.96;
  letter-spacing: 0;
}

h1 span {
  color: var(--green);
}

.hero-card p:not(.eyebrow) {
  max-width: 820px;
  color: #444d59;
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  line-height: 1.65;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.hero-meta span {
  padding: 10px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--navy);
  background: #f6f8fb;
  font-size: 0.9rem;
  font-weight: 800;
}

.hero-actions,
.section-head,
.event-panel,
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border: 2px solid transparent;
  border-radius: 7px;
  font-weight: 800;
}

.primary {
  color: #fff;
  background: var(--navy);
}

.secondary {
  color: var(--navy);
  border-color: var(--navy);
}

.ghost {
  color: #fff;
  border-color: #fff;
}

.intro {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: clamp(28px, 6vw, 80px);
  padding: 56px 12px 28px;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.06;
  letter-spacing: 0;
}

.intro p,
.section-head p,
.venue p {
  color: var(--muted);
  font-size: 1.03rem;
  line-height: 1.75;
}

.focus-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 22px 0 52px;
}

.track-cards {
  margin: 34px 0 58px;
}

.track-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.track-card {
  min-height: 300px;
  display: flex;
  position: relative;
  flex-direction: column;
  justify-content: flex-end;
  gap: 12px;
  padding: 24px;
  border-radius: var(--radius);
  overflow: hidden;
  color: #fff;
  background: #0b243b;
  box-shadow: var(--shadow);
}

.track-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(7, 25, 42, 0) 18%, rgba(7, 25, 42, 0.48) 58%, rgba(7, 25, 42, 0.95) 100%),
    radial-gradient(circle at 72% 20%, rgba(100, 205, 225, 0.28), transparent 34%);
  pointer-events: none;
}

.track-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.track-card span {
  position: relative;
  z-index: 2;
  width: fit-content;
  padding: 8px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.track-card strong {
  position: relative;
  z-index: 2;
  display: block;
  font-size: 1.55rem;
  line-height: 1.1;
}

.track-card small {
  position: relative;
  z-index: 2;
  display: block;
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.55;
}

.focus-card,
.stat-card,
.speaker-grid article {
  padding: 26px;
  border-radius: 12px;
  background: var(--paper);
  box-shadow: 0 8px 24px rgba(17, 19, 24, 0.06);
}

.focus-card span {
  display: inline-block;
  margin-bottom: 28px;
  color: var(--green);
  font-size: 0.82rem;
  font-weight: 800;
}

.focus-card h3,
.speaker-grid h3,
.timeline-item h3 {
  margin-bottom: 10px;
  font-size: 1.25rem;
}

.focus-card p,
.speaker-grid p,
.timeline-item p,
.footer-brand p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.62;
}

.event-panel {
  min-height: 224px;
  margin: 52px 0 66px;
  padding: clamp(28px, 5vw, 54px);
  border-radius: var(--radius);
  color: #fff;
  background:
    linear-gradient(100deg, rgba(18, 56, 90, 0.98), rgba(19, 100, 168, 0.66)),
    url("assets/lae-hero.png") center 39% / cover;
}

.event-panel h2 {
  margin-bottom: 12px;
  font-size: clamp(2rem, 4vw, 3rem);
}

.event-panel p {
  margin-bottom: 0;
  font-weight: 700;
}

.stats {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 0 0 78px;
}

.stats::before {
  content: "";
  position: absolute;
  inset: -58px 8% auto;
  height: 210px;
  opacity: 0.1;
  background:
    radial-gradient(circle at 25% 50%, var(--green) 0 4px, transparent 5px),
    linear-gradient(90deg, transparent 0 7%, var(--green) 7% 9%, transparent 9% 19%, var(--green) 19% 21%, transparent 21% 31%, var(--green) 31% 33%, transparent 33% 100%);
  border-radius: 999px;
  pointer-events: none;
}

.stat-card {
  position: relative;
  min-height: 124px;
  text-align: center;
}

.stat-card strong {
  display: block;
  margin-bottom: 10px;
  color: var(--blue);
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  letter-spacing: 0;
}

.stat-card:nth-child(even) strong {
  color: var(--gold);
}

.stat-card span {
  font-size: clamp(1rem, 1.7vw, 1.35rem);
  font-weight: 700;
}

.programme,
.speaker-strip,
.venue {
  margin-bottom: 76px;
}

.section-head {
  align-items: flex-end;
  margin-bottom: 26px;
}

.section-head p {
  max-width: 410px;
  margin-bottom: 0;
}

.timeline {
  display: grid;
  gap: 12px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 24px;
  padding: 24px;
  border-radius: 12px;
  background: var(--paper);
  box-shadow: 0 8px 22px rgba(17, 19, 24, 0.055);
}

.timeline-item time {
  color: var(--green);
  font-size: 1.2rem;
  font-weight: 800;
  line-height: 1.25;
}

.timeline-item.featured {
  color: #fff;
  background: linear-gradient(110deg, var(--navy), #1264a8);
}

.timeline-item.featured time,
.timeline-item.featured p,
.timeline-item.featured .session-type {
  color: #fff;
}

.session-type {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.timeline-note {
  margin-top: 10px;
  color: #465365;
}

.timeline-points {
  margin: 0;
  padding-left: 19px;
  color: var(--muted);
  line-height: 1.62;
}

.timeline-points li + li {
  margin-top: 8px;
}

.text-link {
  color: var(--green);
  font-weight: 800;
}

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

.speaker-grid article {
  min-height: 210px;
}

.venue {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(26px, 5vw, 64px);
  padding: clamp(30px, 5vw, 54px);
  border-radius: var(--radius);
  background: #f7f8fa;
}

.venue dl {
  display: grid;
  gap: 14px;
  margin: 0;
}

.venue dl div {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.venue dt {
  margin-bottom: 6px;
  color: var(--green);
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
}

.venue dd {
  margin: 0;
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.45;
}

.site-footer {
  min-height: 210px;
  margin-bottom: 34px;
  padding: 32px 38px;
  border: 1px solid rgba(18, 56, 90, 0.1);
  border-radius: 16px;
  background: linear-gradient(135deg, #eef3f7, #dce4eb);
  box-shadow: 0 14px 36px rgba(18, 56, 90, 0.08);
}

.site-footer .brand-logo.footer-logo {
  width: 180px;
  opacity: 0.82;
}

.site-footer .brand-event {
  color: rgba(18, 56, 90, 0.86);
}

.site-footer .footer-brand p {
  color: rgba(38, 49, 63, 0.78);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 28px;
  color: var(--muted);
  font-weight: 700;
}

@media (max-width: 900px) {
  .nav-shell {
    min-height: 84px;
  }

  .brand-logo {
    width: 132px;
  }

  .nav-toggle {
    display: block;
  }

  .site-menu {
    position: absolute;
    top: calc(100% - 4px);
    left: 16px;
    right: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 18px;
    border-radius: 16px;
    background: var(--paper);
    box-shadow: var(--shadow);
  }

  .site-menu.is-open {
    display: flex;
  }

  .site-menu a {
    padding: 10px;
  }

  .hero {
    min-height: 0;
    margin-top: 24px;
  }

  .hero-media,
  .hero-media img {
    min-height: 390px;
    height: 390px;
  }

  .hero-card {
    width: calc(100% - 20px);
    margin-top: -86px;
  }

  .intro,
  .venue {
    grid-template-columns: 1fr;
  }

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

  .event-panel,
  .hero-actions,
  .section-head,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 620px) {
  .site-header {
    padding-inline: 12px;
  }

  .brand {
    gap: 9px;
  }

  .brand-logo {
    width: 108px;
  }

  .brand-event {
    max-width: 76px;
    padding-left: 9px;
    font-size: 0.68rem;
  }

  main,
  .site-footer {
    width: min(100% - 24px, 1140px);
  }

  h1 {
    font-size: clamp(2.4rem, 13vw, 4rem);
  }

  .hero-pill {
    left: 0;
    right: auto;
    max-width: calc(100% - 28px);
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 16px;
  }

  .hero-actions {
    gap: 12px;
  }

  .button {
    width: 100%;
  }

  .focus-grid,
  .track-grid,
  .stats,
  .speaker-grid {
    grid-template-columns: 1fr;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}
