:root {
  --blue: #79c9f2;
  --blue-dark: #2879b8;
  --blue-soft: #e8f7ff;
  --navy: #0d2233;
  --black: #05070a;
  --white: #ffffff;
  --gray: #627182;
  --line: #d9eef9;
  --shadow: 0 24px 70px rgba(17, 61, 95, 0.16);
  --radius: 28px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(121, 201, 242, 0.25), transparent 32%),
    linear-gradient(180deg, #ffffff 0%, #eef9ff 100%);
  color: var(--navy);
  line-height: 1.6;
}

a {
  color: inherit;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(121, 201, 242, 0.25);
}

.nav {
  height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand img {
  width: 210px;
  max-height: 70px;
  object-fit: contain;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links a {
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--navy);
  opacity: 0.82;
}

.nav-links a:hover,
.nav-links a.active {
  opacity: 1;
  color: var(--blue-dark);
}

.portal-link {
  background: var(--navy);
  color: var(--white) !important;
  padding: 10px 16px;
  border-radius: 999px;
  opacity: 1 !important;
}

.nav-toggle {
  display: none;
  background: var(--navy);
  color: var(--white);
  border: 0;
  border-radius: 12px;
  padding: 8px 12px;
  font-size: 1.3rem;
}

.hero {
  min-height: calc(100vh - 92px);
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  padding: 72px 0;
}

.eyebrow {
  color: var(--blue-dark);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-weight: 900;
  font-size: 0.78rem;
  margin: 0 0 14px;
}

h1,
h2,
h3 {
  line-height: 1.08;
  margin: 0;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 5.7rem);
  letter-spacing: -0.07em;
}

h2 {
  font-size: clamp(1.8rem, 3vw, 3rem);
  letter-spacing: -0.05em;
}

h3 {
  font-size: 1.35rem;
}

.hero-text,
.large-text {
  font-size: 1.2rem;
  color: var(--gray);
  max-width: 680px;
  margin: 24px 0 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 14px 22px;
  font-weight: 900;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn.primary {
  background: var(--blue-dark);
  color: var(--white);
  box-shadow: 0 14px 34px rgba(40, 121, 184, 0.28);
}

.btn.secondary {
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--navy);
}

.hero-card,
.content-card,
.product-card,
.contact-card,
.portal-box,
.feature-card {
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(121, 201, 242, 0.35);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 38px;
  text-align: center;
}

.hero-card img {
  width: 100%;
  max-width: 390px;
  margin-bottom: 24px;
}

.hero-card p,
.feature-card p,
.product-card p,
.content-card p,
.contact-card p,
.portal-box p,
.split p {
  color: var(--gray);
}

.features {
  padding: 72px 0;
  background: rgba(255, 255, 255, 0.55);
}

.grid-3,
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.feature-card,
.product-card,
.content-card,
.contact-card {
  padding: 28px;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 42px;
  align-items: center;
  padding: 80px 0;
}

.page {
  padding: 76px 0;
  min-height: calc(100vh - 190px);
}

.page h1 {
  max-width: 900px;
  margin-bottom: 28px;
}

.content-card,
.contact-card {
  margin-top: 22px;
}

.product-grid {
  margin-top: 34px;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.social-links a {
  background: var(--blue-soft);
  border: 1px solid var(--line);
  padding: 10px 14px;
  border-radius: 999px;
  font-weight: 900;
  text-decoration: none;
}

.portal-page {
  display: grid;
  place-items: center;
}

.portal-box {
  max-width: 640px;
  padding: 48px;
  text-align: center;
}

.portal-box .btn {
  margin-top: 20px;
}

.footer {
  border-top: 1px solid rgba(121, 201, 242, 0.25);
  background: var(--navy);
  color: var(--white);
}

.footer-inner {
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

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

@media (max-width: 850px) {
  .nav {
    height: auto;
    padding: 16px 0;
    align-items: flex-start;
  }

  .brand img {
    width: 170px;
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 82px;
    left: 20px;
    right: 20px;
    background: var(--white);
    padding: 20px;
    border-radius: 20px;
    box-shadow: var(--shadow);
    flex-direction: column;
    align-items: stretch;
  }

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

  .hero,
  .split,
  .grid-3,
  .product-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding: 52px 0;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 24px 0;
  }
}