:root {
  --navy: #22356d;
  --navy-dark: #14244f;
  --blue: #1686bf;
  --yellow: #ffc400;
  --white: #ffffff;
  --gray-50: #f7f9fc;
  --gray-100: #edf1f7;
  --gray-700: #334155;
  --gray-900: #101828;
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Inter', sans-serif;
  --shadow: 0 18px 42px rgba(20, 36, 79, 0.14);
  --transition: all 0.22s ease;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  font-family: var(--font-body);
  color: var(--gray-900);
  background-color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.event-nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  background-color: rgba(34, 53, 109, 0.96);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
}

.nav-inner {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.brand-link img {
  width: 132px;
  height: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-menu a {
  color: rgba(255, 255, 255, 0.84);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: var(--transition);
}

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

.nav-cta,
.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border: 2px solid transparent;
  border-radius: 4px;
  font-family: var(--font-heading);
  font-size: 0.86rem;
  font-weight: 900;
  line-height: 1;
  text-transform: uppercase;
  transition: var(--transition);
}

.nav-cta,
.btn-primary {
  background-color: var(--yellow);
  color: var(--navy-dark);
  padding: 12px 20px;
}

.nav-cta:hover,
.btn-primary:hover {
  background-color: var(--white);
  color: var(--navy-dark);
  transform: translateY(-2px);
}

.btn-secondary {
  border-color: rgba(255, 255, 255, 0.62);
  color: var(--white);
  padding: 12px 20px;
}

.btn-secondary:hover {
  border-color: var(--yellow);
  color: var(--yellow);
}

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

.btn-secondary.dark:hover {
  background-color: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}

.mobile-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 4px;
  background: transparent;
  color: var(--yellow);
  cursor: pointer;
}

.mobile-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background-color: currentColor;
  transition: var(--transition);
}

.mobile-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.hero {
  position: relative;
  min-height: 58vh;
  display: flex;
  align-items: center;
  padding: 128px 0 64px;
  color: var(--white);
  background-color: var(--navy);
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 6px;
  background-color: var(--yellow);
}

.hero-content {
  position: relative;
  z-index: 1;
}

.event-kicker,
.eyebrow {
  display: inline-flex;
  width: fit-content;
  background-color: var(--yellow);
  color: var(--navy-dark);
  padding: 7px 14px;
  border-radius: 3px;
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.closing-box h2 {
  font-family: var(--font-heading);
  font-weight: 900;
  line-height: 1.06;
}

.hero h1 {
  max-width: 860px;
  margin: 22px 0 20px;
  color: var(--white);
  font-size: clamp(2.4rem, 6vw, 5rem);
  text-transform: uppercase;
}

.hero p {
  max-width: 680px;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1rem, 2vw, 1.22rem);
  font-weight: 600;
}

.hero-actions,
.closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.section {
  padding: 76px 0;
}

.video-section,
.closing-section {
  background-color: var(--gray-50);
}

.section-heading h2,
.closing-box h2 {
  margin-top: 18px;
  color: var(--navy-dark);
  font-size: clamp(2rem, 4vw, 3.45rem);
}

.section-heading p,
.closing-box p {
  color: var(--gray-700);
  font-size: 1rem;
}

.section-heading.centered {
  max-width: 760px;
  text-align: center;
}

.section-heading.centered .eyebrow {
  margin: 0 auto;
}

.section-heading.centered p {
  margin-top: 16px;
}

.photo-grid {
  column-count: 3;
  column-gap: 18px;
  margin-top: 42px;
}

.photo-card {
  position: relative;
  overflow: hidden;
  break-inside: avoid;
  margin-bottom: 18px;
  background-color: var(--gray-100);
  box-shadow: var(--shadow);
}

.photo-card.is-tall {
  break-inside: avoid;
}

.photo-card img {
  width: 100%;
  height: auto;
  transition: transform 0.32s ease;
}

.photo-card:hover img {
  transform: scale(1.035);
}

.photo-card figcaption {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  padding: 10px 12px;
  border-left: 4px solid var(--yellow);
  background-color: rgba(20, 36, 79, 0.88);
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 800;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 360px));
  justify-content: center;
  gap: 28px;
  margin-top: 42px;
}

.video-card {
  display: block;
}

.video-frame {
  aspect-ratio: 9 / 16;
  overflow: hidden;
  background-color: var(--navy-dark);
  box-shadow: var(--shadow);
}

.video-frame video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.closing-box {
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
}

.closing-box .eyebrow {
  margin: 0 auto;
}

.closing-box p {
  max-width: 680px;
  margin: 18px auto 0;
}

.closing-actions {
  justify-content: center;
}

.event-footer {
  background-color: var(--navy-dark);
  color: var(--white);
  padding: 36px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.9rem;
}

.footer-credit a {
  color: var(--yellow);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (max-width: 920px) {
  .nav-menu,
  .nav-cta {
    display: none;
  }

  .mobile-toggle {
    display: block;
  }

  .nav-menu.active {
    position: absolute;
    top: 74px;
    left: 0;
    right: 0;
    display: grid;
    gap: 0;
    padding: 10px 20px 18px;
    background-color: var(--navy-dark);
  }

  .nav-menu.active a {
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .hero {
    min-height: 56vh;
    padding-top: 116px;
  }

  .photo-grid {
    column-count: 2;
  }

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

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, 1120px);
  }

  .brand-link img {
    width: 118px;
  }

  .hero {
    min-height: 620px;
    padding-bottom: 54px;
  }

  .hero-actions,
  .closing-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .section {
    padding: 66px 0;
  }

  .video-grid {
    grid-template-columns: 1fr;
  }

  .photo-grid {
    column-count: 1;
  }

  .video-grid {
    width: min(100% - 28px, 360px);
  }

  .photo-card figcaption {
    left: 12px;
    right: 12px;
    bottom: 12px;
  }
}