/* RESET */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  color: #eef6ff;
  background:
    radial-gradient(circle at 10% 10%, rgba(39,194,255,0.12), transparent 25%),
    radial-gradient(circle at 90% 20%, rgba(55,227,154,0.08), transparent 25%),
    linear-gradient(180deg, #050d18, #07111f);
  min-height: 100vh;
}

/* CONTAINER */
.container {
  width: min(1200px, calc(100% - 32px));
  margin: auto;
}

/* HEADER */
.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(12px);
  background: rgba(5, 13, 24, 0.8);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  z-index: 100;
}

.nav-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
  position: relative;
}

.logo {
  font-weight: 800;
  font-size: 1.4rem;
  color: #eef6ff;
}

.logo span {
  color: #27c2ff;
}

/* NAV */
.site-nav {
  display: flex;
  gap: 12px;
  align-items: center;
}

.site-nav a {
  padding: 10px 14px;
  border-radius: 999px;
  color: #9cb0c7;
  transition: 0.25s;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a.active {
  background: rgba(255,255,255,0.06);
  color: white;
}

/* MOBILE TOGGLE */
.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.04);
  border-radius: 12px;
  cursor: pointer;
  padding: 10px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: #ffffff;
  border-radius: 999px;
  transition: 0.3s ease;
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* HERO */
.hero {
  padding: 80px 0 40px;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 1;
  max-width: 12ch;
}

.hero p {
  margin: 20px 0;
  color: #9cb0c7;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 999px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: 0.25s;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, #27c2ff, #37e39a);
  color: #041019;
}

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

.btn-secondary {
  background: rgba(255,255,255,0.05);
  color: white;
  border: 1px solid rgba(255,255,255,0.1);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.08);
}

/* CARDS */
.info-card {
  padding: 24px;
  border-radius: 20px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  transition: 0.25s;
}

.info-card:hover {
  transform: translateY(-5px);
}

.info-card h3 {
  margin-bottom: 8px;
}

.info-card p {
  color: #d8e3f1;
}

/* GRID */
.card-grid {
  display: grid;
  gap: 20px;
}

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

/* SECTIONS */
.section {
  padding: 80px 0;
}

.section-dark {
  background: rgba(255,255,255,0.02);
}

/* FOOTER */
.site-footer {
  padding: 40px 0;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.site-footer p,
.site-footer a {
  color: #9cb0c7;
  text-decoration: none;
}

.site-footer a:hover {
  color: #ffffff;
}

/* TABLET */
@media (max-width: 992px) {
  .hero {
    padding: 64px 0 32px;
  }

  .hero h1 {
    max-width: 100%;
    font-size: clamp(2.3rem, 7vw, 4rem);
  }

  .three-col,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .info-card {
    padding: 22px;
  }
}

/* MOBILE NAV */
@media (max-width: 820px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 86px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    gap: 8px;
    padding: 14px;
    border-radius: 18px;
    background: rgba(7, 17, 31, 0.96);
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 20px 60px rgba(0,0,0,0.35);
  }

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

  .site-nav a {
    width: 100%;
    border-radius: 14px;
    padding: 12px 14px;
  }
}

/* SMALL MOBILE */
@media (max-width: 640px) {
  .container {
    width: min(calc(100% - 20px), 1200px);
  }

  .hero {
    padding: 56px 0 28px;
  }

  .hero p,
  .info-card p,
  .site-footer p {
    font-size: 0.97rem;
  }

  .info-card {
    border-radius: 18px;
    padding: 18px;
  }

  .site-footer {
    padding: 32px 0;
  }

  .footer-grid {
    gap: 14px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }
}

/* LANDSCAPE MOBILE / TABLET */
@media (orientation: landscape) and (max-width: 950px) {
  .hero {
    padding-top: 48px;
  }

  .site-nav {
    max-height: 70vh;
    overflow-y: auto;
  }
}
.logo {
  text-decoration: none;
  color: #eef6ff;
}

.logo:hover {
  text-decoration: none;
}