:root {
  --ink: #07111f;
  --midnight: #030712;
  --sapphire: #12355b;
  --ice: #dff5ff;
  --ice-strong: #8fd8ff;
  --pearl: #f8fbff;
  --silver: #d7dee8;
  --mist: #eef4fa;
  --champagne: #d6b46a;
  --champagne-soft: #f3dfaa;
  --violet: #9b8cff;
  --text: #111827;
  --muted: #64748b;
  --line: rgba(148, 163, 184, 0.26);
  --radius: 24px;
  --shadow: 0 30px 80px rgba(3, 7, 18, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(143, 216, 255, 0.18), transparent 34%),
    radial-gradient(circle at 85% 20%, rgba(214, 180, 106, 0.10), transparent 28%),
    #ffffff;
  color: var(--text);
  line-height: 1.6;
}

body::selection {
  background: var(--ice-strong);
  color: var(--midnight);
}

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

.container {
  width: min(1160px, calc(100% - 42px));
  margin: 0 auto;
}

.narrow {
  max-width: 850px;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 50;
  color: white;
  background:
    linear-gradient(90deg, rgba(3, 7, 18, 0.80), rgba(7, 17, 31, 0.56)),
    rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.nav-container {
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-weight: 700;
  letter-spacing: -0.035em;
  font-size: 20px;
}

.logo-mark {
  width: 13px;
  height: 13px;
  border-radius: 999px;
  background:
    radial-gradient(circle at 30% 25%, white 0%, var(--ice) 28%, var(--ice-strong) 55%, var(--sapphire) 100%);
  box-shadow:
    0 0 18px rgba(143, 216, 255, 0.85),
    0 0 36px rgba(214, 180, 106, 0.20);
}

.nav {
  display: flex;
  gap: 30px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 14px;
  letter-spacing: 0.01em;
}

.nav a {
  position: relative;
  padding: 6px 0;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--ice-strong), var(--champagne));
  transition: width 0.22s ease;
}

.nav a:hover {
  color: white;
}

.nav a:hover::after {
  width: 100%;
}

.menu-button {
  display: none;
  border: 0;
  background: none;
  color: white;
  font-size: 28px;
  cursor: pointer;
}

.hero {
  position: relative;
  min-height: 96vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: white;
  background:
    radial-gradient(circle at 76% 12%, rgba(143, 216, 255, 0.50), transparent 26%),
    radial-gradient(circle at 62% 62%, rgba(155, 140, 255, 0.18), transparent 32%),
    linear-gradient(
      105deg,
      rgba(3, 7, 18, 0.88) 0%,
      rgba(9, 25, 48, 0.72) 38%,
      rgba(18, 53, 91, 0.30) 72%,
      rgba(255, 255, 255, 0.02) 100%
    ),
    url("assets/hero.jpg");
  background-size: cover;
  background-position: center bottom;
  padding: 150px 0 116px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, rgba(3, 7, 18, 0.12), rgba(3, 7, 18, 0.64)),
    repeating-linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.018) 0px,
      rgba(255, 255, 255, 0.018) 1px,
      transparent 1px,
      transparent 90px
    );
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 150px;
  background: linear-gradient(to bottom, transparent, #ffffff);
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  border-radius: 999px;
  filter: blur(8px);
  pointer-events: none;
}

.hero-glow-one {
  width: 360px;
  height: 360px;
  top: 18%;
  right: 8%;
  background: radial-gradient(circle, rgba(143, 216, 255, 0.22), transparent 65%);
}

.hero-glow-two {
  width: 280px;
  height: 280px;
  bottom: 12%;
  left: 46%;
  background: radial-gradient(circle, rgba(214, 180, 106, 0.13), transparent 65%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
}

.eyebrow,
.section-label {
  color: var(--champagne);
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.18em;
  font-weight: 800;
  margin-bottom: 16px;
}

.section-label.light {
  color: var(--ice-strong);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(56px, 8.5vw, 104px);
  line-height: 0.9;
  letter-spacing: -0.078em;
  margin-bottom: 26px;
  text-shadow: 0 22px 70px rgba(0, 0, 0, 0.34);
}

h2 {
  font-size: clamp(32px, 4.4vw, 56px);
  line-height: 1.02;
  letter-spacing: -0.055em;
  margin-bottom: 22px;
}

h3 {
  font-size: 22px;
  letter-spacing: -0.025em;
  margin-bottom: 12px;
}

.hero-text {
  color: #e6f6ff;
  font-size: clamp(22px, 2.2vw, 30px);
  line-height: 1.45;
  max-width: 760px;
  margin-bottom: 38px;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 23px;
  border-radius: 999px;
  font-weight: 800;
  border: 1px solid transparent;
  transition:
    transform 0.22s ease,
    box-shadow 0.22s ease,
    background 0.22s ease,
    border-color 0.22s ease;
}

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

.button.primary {
  color: #07111f;
  background:
    linear-gradient(135deg, #ffffff 0%, var(--ice) 42%, var(--champagne-soft) 100%);
  box-shadow:
    0 18px 40px rgba(143, 216, 255, 0.18),
    0 18px 50px rgba(214, 180, 106, 0.14);
}

.button.primary:hover {
  box-shadow:
    0 24px 58px rgba(143, 216, 255, 0.24),
    0 24px 60px rgba(214, 180, 106, 0.20);
}

.button.secondary {
  color: white;
  background: rgba(255, 255, 255, 0.075);
  border-color: rgba(255, 255, 255, 0.24);
  backdrop-filter: blur(14px);
}

.button.secondary:hover {
  background: rgba(255, 255, 255, 0.13);
  border-color: rgba(223, 245, 255, 0.46);
}

.section {
  position: relative;
  padding: 98px 0;
}

.intro-section {
  background:
    radial-gradient(circle at 18% 8%, rgba(143, 216, 255, 0.20), transparent 30%),
    #ffffff;
}

.section p {
  color: var(--muted);
  font-size: 17px;
}

.feature-section {
  color: white;
  background:
    radial-gradient(circle at 12% 20%, rgba(143, 216, 255, 0.22), transparent 32%),
    radial-gradient(circle at 88% 24%, rgba(214, 180, 106, 0.16), transparent 28%),
    linear-gradient(135deg, #030712 0%, #07111f 42%, #12355b 100%);
  overflow: hidden;
}

.feature-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.06), transparent),
    repeating-linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.025) 0px,
      rgba(255, 255, 255, 0.025) 1px,
      transparent 1px,
      transparent 110px
    );
  pointer-events: none;
}

.feature-section .container {
  position: relative;
  z-index: 1;
}

.feature-section h2 {
  max-width: 850px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 36px;
}

.card {
  position: relative;
  overflow: hidden;
  color: white;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.04));
  border: 1px solid rgba(223, 245, 255, 0.18);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(18px);
  transition:
    transform 0.22s ease,
    box-shadow 0.22s ease,
    border-color 0.22s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.32);
  border-color: rgba(143, 216, 255, 0.42);
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 28px;
  right: 28px;
  height: 2px;
  background: linear-gradient(90deg, var(--ice-strong), var(--champagne));
}

.card-number {
  color: var(--champagne);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.16em;
  margin-bottom: 28px;
}

.card p {
  color: #dbeafe;
  margin-bottom: 0;
}

.two-column {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 58px;
}

.information-section {
  color: white;
  background:
    radial-gradient(circle at top right, rgba(143, 216, 255, 0.24), transparent 30%),
    linear-gradient(135deg, #07111f 0%, #0b1b31 52%, #12355b 100%);
}

.information-section h2 {
  color: white;
}

.details-list {
  display: grid;
  gap: 14px;
}

.details-list div {
  display: flex;
  justify-content: space-between;
  gap: 26px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(223, 245, 255, 0.16);
}

.details-list span {
  color: #a9c7dc;
}

.details-list strong {
  color: white;
  text-align: right;
}

.contact-section {
  color: white;
  background:
    radial-gradient(circle at 16% 18%, rgba(143, 216, 255, 0.20), transparent 32%),
    radial-gradient(circle at 80% 12%, rgba(214, 180, 106, 0.16), transparent 30%),
    #030712;
}

.contact-card {
  position: relative;
  overflow: hidden;
  padding: 48px;
  border-radius: 30px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.11), rgba(255, 255, 255, 0.045));
  border: 1px solid rgba(223, 245, 255, 0.17);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.22);
}

.contact-card::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -120px;
  width: 310px;
  height: 310px;
  background: radial-gradient(circle, rgba(143, 216, 255, 0.22), transparent 68%);
}

.contact-card > * {
  position: relative;
  z-index: 1;
}

.contact-section p {
  color: #cbd5e1;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 32px;
}

.contact-grid div {
  padding: 24px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.065);
  border: 1px solid rgba(223, 245, 255, 0.13);
}

.contact-grid span {
  display: block;
  color: #9db8cc;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 800;
  margin-bottom: 9px;
}

.contact-grid a {
  color: white;
  font-weight: 800;
}

.contact-grid p {
  margin-bottom: 0;
}

.site-footer {
  background: #020617;
  color: #94a3b8;
  padding: 28px 0;
  font-size: 14px;
  border-top: 1px solid rgba(223, 245, 255, 0.08);
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.footer-grid p {
  margin: 0;
}

@media (max-width: 900px) {
  .menu-button {
    display: block;
  }

  .nav {
    position: absolute;
    top: 78px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    gap: 16px;
    background: rgba(3, 7, 18, 0.96);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    padding: 22px;
  }

  .nav.open {
    display: flex;
  }

  .hero {
    min-height: auto;
    padding: 132px 0 92px;
    background:
      radial-gradient(circle at 80% 18%, rgba(143, 216, 255, 0.28), transparent 28%),
      linear-gradient(
        180deg,
        rgba(3, 7, 18, 0.84) 0%,
        rgba(7, 17, 31, 0.72) 48%,
        rgba(18, 53, 91, 0.42) 100%
      ),
      url("assets/hero.jpg");
    background-size: cover;
    background-position: center bottom;
  }

  .two-column,
  .cards,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 78px 0;
  }

  .details-list div {
    flex-direction: column;
    gap: 4px;
  }

  .details-list strong {
    text-align: left;
  }

  .footer-grid {
    flex-direction: column;
  }

  .contact-card {
    padding: 30px;
  }
}

@media (max-width: 520px) {
  .container {
    width: min(100% - 30px, 1160px);
  }

  .logo {
    font-size: 17px;
  }

  h1 {
    font-size: clamp(44px, 15vw, 62px);
  }

  .hero-text {
    font-size: 19px;
  }

  .button {
    width: 100%;
  }

  .card,
  .contact-card {
    border-radius: 22px;
  }
}