* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, Arial, Helvetica, sans-serif;
  background: #f6f8fc;
  color: #101827;
}

.container {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
}

.site-header {
  background: rgba(255,255,255,0.92);
  border-bottom: 1px solid #e7eaf0;
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
}

.nav {
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #111827;
  text-decoration: none;
  font-weight: 800;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: #fff;
  background: linear-gradient(135deg, #111827, #334155);
}

.nav-btn,
.secondary-btn,
.primary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
}

.nav-btn,
.secondary-btn {
  color: #111827;
  border: 1px solid #d7dce5;
  background: #fff;
}

.primary-btn {
  color: #fff;
  background: #111827;
  box-shadow: 0 14px 28px rgba(17,24,39,0.18);
}

.hero {
  padding: 88px 0 76px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  color: #2563eb;
  background: #eaf1ff;
  font-size: 13px;
  font-weight: 900;
  padding: 8px 12px;
  border-radius: 999px;
  display: inline-flex;
  margin-bottom: 16px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(42px, 6vw, 74px);
  line-height: 0.98;
  margin: 0 0 22px;
  letter-spacing: -0.055em;
}

.hero p,
.section-heading p,
.access-card p {
  font-size: 18px;
  line-height: 1.7;
  color: #5b6474;
  margin: 0;
}

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

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.trust-row span {
  color: #334155;
  background: #fff;
  border: 1px solid #e1e6ef;
  padding: 9px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
}

.preview-card {
  background: #fff;
  border: 1px solid #e1e6ef;
  border-radius: 28px;
  box-shadow: 0 28px 80px rgba(15,23,42,0.12);
  overflow: hidden;
}

.window-bar {
  height: 54px;
  background: #111827;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 20px;
}

.window-bar span {
  width: 12px;
  height: 12px;
  background: #cbd5e1;
  border-radius: 50%;
}

.folder-box {
  padding: 34px;
}

.folder-icon {
  width: 74px;
  height: 74px;
  display: grid;
  place-items: center;
  border-radius: 22px;
  background: #eff6ff;
  font-size: 34px;
  margin-bottom: 18px;
}

.folder-box h3 {
  font-size: 26px;
  margin: 0 0 10px;
}

.folder-box p {
  color: #64748b;
  line-height: 1.6;
  margin-bottom: 24px;
}

.file-row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 15px;
  border: 1px solid #e5e7eb;
  border-radius: 15px;
  margin-top: 12px;
  background: #f8fafc;
}

.file-row span {
  font-weight: 800;
}

.file-row small {
  color: #2563eb;
  font-weight: 900;
}

.section {
  padding: 76px 0;
  background: #fff;
}

.section-heading {
  max-width: 680px;
  margin-bottom: 28px;
}

.section-heading h2,
.access-card h2 {
  font-size: clamp(30px, 4vw, 48px);
  letter-spacing: -0.04em;
  margin: 0 0 14px;
}

.features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.feature {
  padding: 24px;
  border: 1px solid #e5e7eb;
  border-radius: 22px;
  background: #ffffff;
}

.icon {
  font-size: 30px;
  margin-bottom: 14px;
}

.feature h3 {
  margin: 0 0 10px;
  font-size: 19px;
}

.feature p {
  margin: 0;
  color: #64748b;
  line-height: 1.6;
}

.access-section {
  padding: 76px 0;
}

.access-card {
  background: #111827;
  color: #fff;
  border-radius: 30px;
  padding: 44px;
  display: flex;
  justify-content: space-between;
  gap: 26px;
  align-items: center;
}

.access-card p {
  color: #cbd5e1;
  max-width: 650px;
}

.access-card .primary-btn {
  background: #fff;
  color: #111827;
  flex-shrink: 0;
}

.footer {
  padding: 28px 0;
  text-align: center;
  color: #64748b;
  font-size: 12px;
  letter-spacing: 0.06em;
}

@media (max-width: 900px) {
  .hero-grid,
  .features {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 540px) {
  .nav {
    height: auto;
    padding: 14px 0;
    gap: 14px;
    flex-direction: column;
    align-items: flex-start;
  }

  .hero {
    padding-top: 54px;
  }

  .folder-box,
  .access-card {
    padding: 24px;
  }
}