/* =========================================================
   DESIGN SYSTEM
========================================================= */

:root {
  --primary: #0070f3;
  --primary-hover: #0051b3;
  --secondary: #0fdc7b;

  --dark: #0f172a;
  --light: #f8fafc;
  --slate: #64748b;
  --border: #e2e8f0;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;

  --container: 1200px;
  --font: "Inter", sans-serif;

  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* =========================================================
   RESET
========================================================= */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: #ffffff;
  color: var(--dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

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

ul {
  list-style: none;
}

/* =========================================================
   LAYOUT
========================================================= */

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* =========================================================
   BUTTONS
========================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;

  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;

  cursor: pointer;
  border: none;

  transition: var(--transition);
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

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

.btn-secondary {
  background: var(--dark);
  color: #fff;
}

.btn-secondary:hover {
  background: #1e293b;
  transform: translateY(-2px);
}

/* =========================================================
   BADGE
========================================================= */

.badge-network {
  display: inline-flex;
  align-items: center;
  gap: 12px;

  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(16px);

  border: 1px solid rgba(0, 112, 243, 0.2);

  padding: 12px 24px;
  border-radius: 100px;

  font-size: 0.88rem;
  margin-bottom: 32px;
}

.badge-network a {
  color: var(--primary);
  font-weight: 600;
}

.badge-pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--secondary);
  border-radius: 50%;
}

/* =========================================================
   HEADER / NAVIGATION (FIXED)
========================================================= */

header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
}

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

/* Logo */
.logo {
  font-weight: 700;
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

.logo span {
  color: var(--primary);
}

/* Desktop nav */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-link {
  font-weight: 500;
  color: var(--slate);
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--primary);
}

.nav-menu .btn {
  white-space: nowrap;
}

/* Toggle button */
.nav-toggle {
  display: none;
  font-size: 1.8rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--dark);
}

/* =========================================================
   HERO
========================================================= */

.hero {
  padding: 100px 0 120px;
  background: radial-gradient(circle at 50% 10%, #e0f2fe, #fff 70%);
  text-align: center;
}

.hero-centered-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 3.6rem;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--slate);
  margin-bottom: 40px;
}

.hero-cta-group {
  display: flex;
  gap: 16px;
  margin-bottom: 56px;
}

/* =========================================================
   SECTIONS
========================================================= */

.services,
.benefits {
  padding: 100px 0;
}

.services {
  background: var(--light);
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title h2 {
  font-size: 2.5rem;
}

/* Services grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.service-card {
  background: #fff;
  padding: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
}

/* =========================================================
   BENEFITS
========================================================= */

.benefits-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.benefit-item {
  display: flex;
  gap: 20px;
  margin-bottom: 24px;
}

/* =========================================================
   FAQ
========================================================= */

.faq {
  padding: 80px 0;
  background: #f8fafc;
}

.faq-item {
  background: #fff;
  padding: 20px;
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  border: 1px solid var(--border);
}

/* =========================================================
   BOOKING
========================================================= */

.booking-section {
  padding: 100px 0;
  background: linear-gradient(135deg, #0f172a, #1e293b);
  color: #fff;
}

.booking-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}

.booking-card {
  background: #fff;
  color: var(--dark);
  padding: 40px;
  border-radius: var(--radius-lg);
}

/* Form */
.form-group {
  margin-bottom: 20px;
}

.form-control {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

/* =========================================================
   FOOTER
========================================================= */

footer {
  background: #090d16;
  color: #64748b;
  padding: 60px 0;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

/* =========================================================
   MOBILE (FIXED NAV)
========================================================= */

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav-menu {
    display: none;
    flex-direction: column;
    width: 100%;
    margin-top: 12px;
    gap: 12px;
  }

  .nav-menu.active {
    display: flex;
  }

  .nav-container {
    flex-wrap: wrap;
    height: auto;
    padding: 12px 0;
  }

  .hero h1 {
    font-size: 2.4rem;
  }

  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .benefits-grid,
  .booking-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    flex-direction: column;
    text-align: center;
  }
}