:root {
  --primary-color: #0d47a1;
  --secondary-color: #1b5ebe;
  --accent-color: #ffc107;
  --light-bg: #f5f7fb;
  --text-color: #222;
  --muted-text: #555;
  --card-shadow: 0 15px 30px rgba(13, 71, 161, 0.08);
  --border-radius: 16px;
  --max-width: 1100px;
}

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

body {
  font-family: 'Poppins', 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background: linear-gradient(180deg, #ffffff 0%, #f7f9ff 100%);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

body.nav-open {
  overflow: hidden;
}

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

a:hover,
a:focus {
  color: var(--secondary-color);
}

header {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(13, 71, 161, 0.08);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--primary-color);
  letter-spacing: 0.4px;
}

.brand-logo {
  width: 64px;
  aspect-ratio: 16 / 9;
  height: auto;
  object-fit: contain;
  border-radius: 12px;
  box-shadow: 0 8px 16px rgba(13, 71, 161, 0.15);
  background: #fff;
}

.brand-name {
  display: inline-block;
}

nav {
  margin-left: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 24px;
}

.nav-toggle {
  display: none;
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
  border-radius: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--primary-color);
  border-radius: 999px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle span + span {
  margin-top: 6px;
}

.nav-links a {
  font-weight: 500;
  color: var(--muted-text);
  transition: color 0.2s ease, transform 0.2s ease;
}

.nav-links a:hover,
.nav-links a:focus {
  color: var(--primary-color);
  transform: translateY(-2px);
}

.nav-toggle:focus-visible,
.nav-links a:focus-visible {
  outline: 2px solid var(--accent-color);
  outline-offset: 4px;
}

.nav-links a[aria-current='page'] {
  color: var(--primary-color);
  font-weight: 600;
  position: relative;
}

.nav-links a[aria-current='page']::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 3px;
  background: var(--accent-color);
  border-radius: 999px;
}

.nav-toggle[aria-expanded='true'] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

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

.nav-toggle[aria-expanded='true'] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

main {
  flex: 1;
}

.hero {
  position: relative;
  padding: 80px 24px;
  background: linear-gradient(130deg, rgba(13, 71, 161, 0.6) 0%, rgba(13, 71, 161, 0.35) 100%);
  overflow: hidden;
}

.hero--video {
  background: #030b1f;
}

.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.55) saturate(1.2);
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(130deg, rgba(3, 11, 31, 0.85) 0%, rgba(13, 71, 161, 0.55) 100%);
  z-index: 1;
}

.hero-content {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero--video .hero-content h1 {
  color: #f5f9ff;
}

.hero--video .hero-content p {
  color: rgba(245, 249, 255, 0.85);
}

.hero--video .card {
  background: rgba(255, 255, 255, 0.96);
  color: var(--text-color);
}

.hero--video .card h3 {
  color: var(--primary-color);
}

.hero--video .card p {
  color: var(--muted-text);
}

@media (prefers-reduced-motion: reduce) {
  .hero-video {
    display: none;
  }

  .hero-overlay {
    background: linear-gradient(130deg, rgba(3, 11, 31, 0.9) 0%, rgba(13, 71, 161, 0.65) 100%);
  }
}

.hero h1 {
  font-size: clamp(2.3rem, 4vw, 3.2rem);
  color: var(--primary-color);
  margin-bottom: 20px;
}

.hero p {
  color: var(--muted-text);
  font-size: 1.05rem;
}

.section {
  padding: 64px 24px;
}

.section h2 {
  font-size: clamp(2rem, 3.5vw, 2.6rem);
  color: var(--primary-color);
  margin-bottom: 24px;
  text-align: center;
}

.section p.section-intro {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 40px;
  color: var(--muted-text);
}

.cards {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.cards.media-grid {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.cards.photo-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.cards.team-grid {
  grid-template-columns: 1fr;
  justify-items: stretch;
}

.cards.team-grid .team-card {
  width: 100%;
}

.cards.team-grid .card-founder {
  border: 2px solid rgba(255, 193, 7, 0.4);
  box-shadow: 0 20px 40px rgba(13, 71, 161, 0.15);
}

@media (min-width: 680px) {
  .cards.team-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cards.team-grid .team-card:last-child:nth-child(odd) {
    grid-column: 1 / -1;
    max-width: 520px;
    margin-inline: auto;
  }
}

.card {
  background: #fff;
  border-radius: var(--border-radius);
  padding: 24px;
  box-shadow: var(--card-shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.media-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.photo-card {
  display: flex;
  flex-direction: column;
}

.photo-card__trigger {
  display: block;
  width: 100%;
  border: none;
  padding: 0;
  background: none;
  cursor: pointer;
  border-radius: calc(var(--border-radius) - 4px);
  overflow: hidden;
  box-shadow: 0 12px 24px rgba(13, 71, 161, 0.12);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.photo-card__trigger:hover,
.photo-card__trigger:focus-visible {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(13, 71, 161, 0.18);
}

.photo-card__trigger:focus-visible {
  outline: 3px solid rgba(13, 71, 161, 0.35);
  outline-offset: 4px;
}

.photo-card__trigger img {
  width: 100%;
  display: block;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.album-status {
  font-size: 1rem;
  color: var(--muted-text);
  text-align: center;
  padding: 24px;
  border-radius: var(--border-radius);
  background: rgba(13, 71, 161, 0.06);
  margin: 0;
}

body.modal-open {
  overflow: hidden;
}

.modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(10, 25, 58, 0.78);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 1200;
}

.modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
}

.modal__inner {
  position: relative;
  max-width: min(960px, 90vw);
  width: 100%;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 24px 48px rgba(6, 19, 46, 0.35);
  background: #000;
}

.modal__image {
  display: block;
  width: 100%;
  height: auto;
}

.modal__close {
  position: absolute;
  top: 8px;
  right: 8px;
  border: none;
  background: rgba(0, 0, 0, 0.45);
  color: #fff;
  font-size: 2rem;
  line-height: 1;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, transform 0.2s ease;
}

.modal__close:hover,
.modal__close:focus-visible {
  background: rgba(13, 71, 161, 0.85);
  transform: scale(1.05);
}

.modal__close:focus-visible {
  outline: 3px solid rgba(255, 255, 255, 0.7);
  outline-offset: 3px;
}

.media-card__meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.media-card__meta a {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--primary-color);
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(13, 71, 161, 0.1);
  transition: background 0.2s ease, color 0.2s ease;
}

.media-card__meta a:hover,
.media-card__meta a:focus {
  background: var(--primary-color);
  color: #fff;
}

.media-card video {
  width: 100%;
  border-radius: calc(var(--border-radius) - 4px);
  box-shadow: 0 12px 24px rgba(13, 71, 161, 0.18);
  background: #000;
  aspect-ratio: 16 / 9;
}

.card-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 16px;
}

.card-header img {
  width: 88px;
  height: 88px;
  border-radius: 16px;
  object-fit: cover;
  box-shadow: 0 8px 20px rgba(13, 71, 161, 0.18);
  flex-shrink: 0;
}

.card:hover,
.card:focus-within {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(13, 71, 161, 0.12);
}

.card h3 {
  color: var(--primary-color);
  margin-bottom: 12px;
  font-size: 1.25rem;
}

.card .role {
  color: var(--secondary-color);
  font-weight: 600;
  margin-top: -6px;
}

.card .email {
  margin-bottom: 0;
  color: var(--muted-text);
  font-size: 0.95rem;
}

.card .email a {
  color: var(--primary-color);
  font-weight: 600;
  display: inline-block;
  overflow-wrap: anywhere;
}

.card p {
  color: var(--muted-text);
  margin-bottom: 12px;
}

.card .bio {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 193, 7, 0.18);
  color: var(--primary-color);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.badge::before {
  content: '★';
  font-size: 0.75rem;
  color: var(--accent-color);
}

.card .links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.card .links a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(13, 71, 161, 0.07);
  color: var(--primary-color);
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.9rem;
  transition: background 0.2s ease, color 0.2s ease;
}

.card .links a:hover,
.card .links a:focus {
  background: var(--primary-color);
  color: #fff;
}

.timeline {
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
  padding-left: 20px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 0;
  height: 100%;
  width: 3px;
  background: linear-gradient(180deg, var(--primary-color), rgba(13, 71, 161, 0.1));
}

.timeline-item {
  position: relative;
  margin-bottom: 32px;
  padding-left: 48px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 8px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--primary-color);
}

.timeline-item h3 {
  font-size: 1.2rem;
  color: var(--primary-color);
  margin-bottom: 6px;
}

.timeline-item span {
  display: inline-block;
  background: rgba(13, 71, 161, 0.12);
  color: var(--primary-color);
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 10px;
  font-size: 0.85rem;
}

.timeline-item p {
  color: var(--muted-text);
}

.resources {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  gap: 24px;
}

.resources-section {
  background: #fff;
  border-radius: var(--border-radius);
  padding: 24px;
  box-shadow: var(--card-shadow);
}

.resources-section h3 {
  color: var(--primary-color);
  margin-bottom: 16px;
}

.resources-section ul {
  list-style: disc;
  padding-left: 24px;
  color: var(--muted-text);
}

.contact-wrapper {
  max-width: 720px;
  margin: 0 auto;
  background: #fff;
  border-radius: var(--border-radius);
  padding: 32px;
  box-shadow: var(--card-shadow);
  text-align: center;
}

.contact-wrapper h2 {
  margin-bottom: 16px;
}

.contact-wrapper p {
  color: var(--muted-text);
  margin-bottom: 24px;
}

.contact-wrapper a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-color);
  color: #fff;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.contact-wrapper a:hover,
.contact-wrapper a:focus {
  transform: translateY(-2px);
  box-shadow: 0 20px 35px rgba(13, 71, 161, 0.25);
}

footer {
  margin-top: auto;
  background: #0c1a3a;
  color: rgba(255, 255, 255, 0.78);
  text-align: center;
  padding: 24px 16px;
  font-size: 0.9rem;
}

footer a {
  color: #fff;
  font-weight: 600;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 0;
  }

  nav {
    position: absolute;
    top: calc(100% + 12px);
    right: 24px;
    left: 24px;
    z-index: 1000;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    gap: 12px;
    background: rgba(255, 255, 255, 0.97);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    display: block;
    width: 100%;
    padding: 8px 0;
  }
}

@media (max-width: 480px) {
  nav {
    left: 16px;
    right: 16px;
  }

  .brand-logo {
    width: 52px;
  }
}

@media (max-width: 600px) {
  .card-header {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .card-header div {
    text-align: center;
  }

  .card-header img {
    width: 96px;
    height: 96px;
  }

  .card .email {
    text-align: center;
  }
}

@media (max-width: 768px) {
  .timeline::before {
    left: 18px;
  }

  .timeline-item {
    padding-left: 46px;
  }

  .timeline-item::before {
    left: 10px;
  }
}