* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: #171717;
  background: #ffffff;
  line-height: 1.6;
}

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

.container {
  width: min(1180px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid #e5e5e5;
  backdrop-filter: blur(10px);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0;
}

.brand-title {
  font-size: 22px;
  font-weight: 700;
}

.brand-sub {
  font-size: 12px;
  color: #737373;
  margin-top: 2px;
}

.nav {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 14px;
  color: #525252;
}

.nav a:hover,
.mobile-nav a:hover {
  color: #000000;
}

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid #d4d4d4;
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 18px;
  cursor: pointer;
}

.mobile-nav {
  display: none;
  flex-direction: column;
  padding: 0 4% 18px;
  gap: 12px;
  font-size: 14px;
  color: #525252;
  border-top: 1px solid #f1f1f1;
}

.mobile-nav.active {
  display: flex;
}

.hero {
  background: linear-gradient(135deg, #f8f8f8 0%, #ffffff 50%, #f3f4f6 100%);
  padding: 90px 0 80px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.eyebrow,
.section-label {
  display: inline-block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: #737373;
  margin-bottom: 16px;
}

.section-label.light {
  color: #a3a3a3;
}

.hero-copy h1,
.section h2 {
  font-size: 52px;
  line-height: 1.1;
  margin: 0 0 20px;
  letter-spacing: -0.03em;
}

.hero-copy p,
.section p,
.note-box p,
.timeline-content p,
.info-card p,
.cta-box p {
  color: #5a5a5a;
  font-size: 18px;
}

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

.btn {
  padding: 14px 22px;
  border-radius: 16px;
  font-size: 14px;
  font-weight: 600;
  display: inline-block;
}

.btn-dark {
  background: #111111;
  color: #ffffff;
}

.btn-dark:hover {
  opacity: 0.92;
}

.btn-light {
  background: #ffffff;
  color: #171717;
  border: 1px solid #d4d4d4;
}

.btn-light:hover {
  background: #f5f5f5;
}

.hero-cards,
.grid-2,
.grid-3,
.grid-4,
.list-boxes {
  display: grid;
  gap: 18px;
}

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

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

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.info-card,
.note-box,
.timeline-item,
.list-box,
.faq-item,
.cta-box {
  background: #ffffff;
  border: 1px solid #e5e5e5;
  border-radius: 24px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.04);
}

.info-card {
  padding: 26px;
}

.info-card h3,
.timeline-content h3 {
  margin: 0 0 10px;
  font-size: 24px;
}

.info-card p {
  font-size: 15px;
  margin: 0;
  line-height: 1.8;
}

.section {
  padding: 90px 0;
}

.section-light {
  background: #f8f8f8;
}

.section-dark {
  background: #0f0f10;
  color: #ffffff;
}

.section-dark h2,
.section-dark p {
  color: #ffffff;
}

.dark-card {
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 24px;
  padding: 24px;
  color: #e5e5e5;
  line-height: 1.7;
}

.split-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 36px;
  align-items: start;
}

.note-box {
  background: #fafafa;
  padding: 30px;
}

.section-intro {
  max-width: 850px;
  margin-bottom: 34px;
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 40px;
}

.timeline-item {
  padding: 28px;
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 20px;
}

.timeline-year {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #737373;
  padding-top: 6px;
}

.list-boxes {
  grid-template-columns: 1fr;
}

.list-box {
  padding: 18px 22px;
  font-size: 16px;
  color: #404040;
}

.faq-wrap {
  max-width: 900px;
}

.center {
  text-align: center;
}

.faq-item {
  margin-top: 18px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  text-align: left;
  background: #ffffff;
  border: none;
  padding: 22px 24px;
  font-size: 20px;
  font-weight: 700;
  cursor: pointer;
}

.faq-answer {
  display: none;
  padding: 0 24px 22px;
}

.faq-item.active .faq-answer {
  display: block;
}

.cta-box {
  padding: 40px;
  max-width: 950px;
  margin: 0 auto;
}

.site-footer {
  border-top: 1px solid #e5e5e5;
  padding: 26px 0;
}

.footer-wrap {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: #737373;
  font-size: 14px;
}

@media (max-width: 1024px) {
  .hero-grid,
  .split-grid,
  .timeline-item,
  .grid-4 {
    grid-template-columns: 1fr 1fr;
  }

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

  .hero-copy h1,
  .section h2 {
    font-size: 42px;
  }

  .nav {
    display: none;
  }

  .menu-toggle {
    display: block;
  }
}

@media (max-width: 768px) {
  .hero-grid,
  .split-grid,
  .hero-cards,
  .grid-2,
  .grid-3,
  .grid-4,
  .footer-wrap {
    grid-template-columns: 1fr;
    display: grid;
  }

  .hero {
    padding: 70px 0 60px;
  }

  .section {
    padding: 70px 0;
  }

  .hero-copy h1,
  .section h2 {
    font-size: 34px;
  }

  .hero-copy p,
  .section p,
  .note-box p,
  .timeline-content p,
  .cta-box p {
    font-size: 16px;
  }

  .faq-question {
    font-size: 18px;
  }

  .cta-box {
    padding: 28px;
  }
}