:root {
  --bg: #07111f;
  --bg-soft: #0d1b31;
  --surface: rgba(255, 255, 255, 0.06);
  --surface-strong: rgba(255, 255, 255, 0.1);
  --text: #ecf2ff;
  --text-muted: #adc0de;
  --line: rgba(255, 255, 255, 0.12);
  --primary: #4fc3ff;
  --primary-strong: #2979ff;
  --accent: #79f2c0;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
  --radius: 24px;
  --radius-sm: 16px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(41, 121, 255, 0.32), transparent 28%),
    radial-gradient(circle at top right, rgba(121, 242, 192, 0.18), transparent 24%),
    linear-gradient(180deg, #081223 0%, #07111f 100%);
  line-height: 1.6;
}

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

img {
  max-width: 100%;
  display: block;
}

.container {
  width: min(calc(100% - 3rem), var(--max-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  background: rgba(7, 17, 31, 0.72);
  border-bottom: 1px solid var(--line);
}

.header-inner,
.footer-grid,
.hero-grid,
.cta-box {
  display: grid;
  gap: 2rem;
}

.header-inner {
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: 1rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand img {
  width: 52px;
  height: 52px;
}

.main-nav {
  display: flex;
  gap: 1.5rem;
  color: var(--text-muted);
}

.main-nav a:hover,
.main-nav a:focus-visible,
.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--primary);
}

.hero {
  padding: 6rem 0 4rem;
}

.hero-grid {
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
  align-items: center;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.82rem;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.15;
}

h1 {
  font-size: clamp(2.8rem, 5vw, 4.6rem);
  max-width: 12ch;
}

h2 {
  font-size: clamp(2rem, 3vw, 3rem);
}

.hero-text,
.section-heading p,
.project-card p,
.feature-card p,
.value-card p,
.cta-box p,
.site-footer p {
  color: var(--text-muted);
}

.hero-text {
  max-width: 62ch;
  margin: 1.5rem 0 0;
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.3rem;
  padding: 0 1.4rem;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  color: #04101f;
  background: linear-gradient(135deg, var(--accent), var(--primary));
}

.button-secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.hero-card,
.value-card,
.feature-card,
.project-card,
.cta-box {
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero-card {
  border-radius: 30px;
  padding: 1.2rem;
}

.hero-card-inner {
  min-height: 100%;
  padding: 2rem;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(79, 195, 255, 0.12), rgba(255, 255, 255, 0.02));
}

.hero-card h2 {
  margin-bottom: 0.8rem;
}

.hero-points {
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.hero-points li {
  position: relative;
  margin-top: 0.95rem;
  padding-left: 1.5rem;
}

.hero-points li::before {
  content: "";
  position: absolute;
  top: 0.7rem;
  left: 0;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--primary));
}

.section {
  padding: 2rem 0 4.5rem;
}

.section-accent {
  background: linear-gradient(180deg, rgba(13, 27, 49, 0), rgba(13, 27, 49, 0.72));
}

.section-heading {
  max-width: 48rem;
  margin-bottom: 2rem;
}

.value-grid,
.feature-grid,
.project-grid {
  display: grid;
  gap: 1.3rem;
}

.value-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.project-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.value-card,
.feature-card,
.project-card {
  border-radius: var(--radius-sm);
  padding: 1.6rem;
}

.feature-card span {
  display: inline-flex;
  margin-bottom: 1rem;
  color: var(--accent);
  font-weight: 700;
}

.cta-section {
  padding-bottom: 5.5rem;
}

.cta-box {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  padding: 2rem;
  border-radius: var(--radius);
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.5rem 0 3rem;
  background: rgba(4, 10, 19, 0.55);
}

.footer-grid {
  grid-template-columns: 1.1fr 0.8fr 1fr;
}

@media (max-width: 980px) {
  .hero-grid,
  .value-grid,
  .feature-grid,
  .project-grid,
  .cta-box,
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .feature-grid,
  .project-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(calc(100% - 2rem), var(--max-width));
  }

  .header-inner,
  .hero-grid,
  .value-grid,
  .feature-grid,
  .project-grid,
  .cta-box,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .main-nav {
    flex-wrap: wrap;
    gap: 0.75rem 1rem;
  }

  .hero {
    padding-top: 4rem;
  }

  h1 {
    max-width: none;
  }
}