/* ==========================================================================
   Sky eRide — Static site stylesheet
   ========================================================================== */

:root {
  --bg-1: #04140d;
  --bg-2: #0a2e1f;
  --bg-3: #0f3d27;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-hover: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.09);
  --accent: #22c55e;
  --accent-light: #4ade80;
  --accent-soft: rgba(34, 197, 94, 0.14);
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.72);
  --text-muted: rgba(255, 255, 255, 0.5);
  --radius-sm: 0.5rem;
  --shadow-card: 0 20px 40px -20px rgba(0, 0, 0, 0.6);
  --container: 1180px;
  --font-heading: 'Space Grotesk', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-body);
  color: var(--text-primary);
  background: linear-gradient(160deg, var(--bg-1) 0%, var(--bg-2) 45%, var(--bg-3) 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
  overflow-x: hidden;
}

main {
  flex: 1;
  display: flex;
  flex-direction: column;
}

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

a {
  color: inherit;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  line-height: 1.2;
}

p {
  margin: 0 0 1rem;
  color: var(--text-secondary);
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-light);
  background: var(--accent-soft);
  border: 1px solid rgba(34, 197, 94, 0.3);
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}

/* ---- Navigation ---- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 1rem 0;
  background: rgba(4, 20, 13, 0.55);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease;
}

.site-header.is-scrolled {
  background: rgba(4, 20, 13, 0.9);
  border-bottom-color: var(--border);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  flex-shrink: 0;
}

.brand-sky {
  color: var(--accent-light);
}

.brand-eride {
  color: var(--text-primary);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-menu a {
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--text-secondary);
  transition: color 0.2s ease;
  position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--text-primary);
}

.nav-menu a.active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -8px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 0 auto;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

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

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

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

/* ---- Coming soon hero ---- */

.coming-soon {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 1.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.coming-soon::before {
  content: '';
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 60%;
  background: radial-gradient(circle, rgba(34, 197, 94, 0.22) 0%, rgba(34, 197, 94, 0) 70%);
  pointer-events: none;
}

.coming-soon-content {
  position: relative;
  max-width: 32rem;
}

.coming-soon-logo {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 2rem;
}

.logo-sky {
  color: var(--accent-light);
}

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

.coming-soon-title {
  margin: 0 0 1rem;
  font-size: clamp(2.5rem, 8vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #ffffff 0%, #b7f7cf 60%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.coming-soon-tagline {
  margin: 0;
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* ---- Page header / breadcrumb (privacy page) ---- */

.breadcrumb {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.breadcrumb a {
  color: var(--accent-light);
  text-decoration: none;
}

/* ---- Privacy policy page ---- */

.privacy {
  flex: 1;
  padding: 2.5rem 0 4rem;
}

.privacy-container {
  max-width: 46rem;
  margin: 0 auto;
}

.privacy-note {
  margin: 1.5rem 0 2.5rem;
  padding: 1.1rem 1.4rem;
  background: var(--accent-soft);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: rgba(255, 255, 255, 0.85);
}

.privacy-note p {
  margin: 0 0 0.5rem;
  color: inherit;
  font-size: 0.95rem;
}

.privacy-note p:last-child {
  margin-bottom: 0;
}

.privacy-section {
  margin-bottom: 2.25rem;
}

.privacy-section h2 {
  font-size: 1.25rem;
  margin-bottom: 0.85rem;
}

.privacy-section h3 {
  font-size: 1rem;
  margin: 1.1rem 0 0.5rem;
  color: var(--text-primary);
}

.privacy-section p,
.privacy-section li {
  font-size: 0.97rem;
}

.privacy-section ul {
  padding-left: 1.25rem;
  list-style: disc;
  margin-bottom: 0.75rem;
}

.privacy-section li {
  margin-bottom: 0.4rem;
  color: var(--text-secondary);
}

.privacy-section a {
  color: var(--accent-light);
  text-decoration: none;
}

.privacy-section a:hover {
  text-decoration: underline;
}

.privacy-section strong {
  color: var(--text-primary);
}

/* ---- Simple footer ---- */

.footer-simple {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 1.5rem 2rem;
  background: rgba(0, 0, 0, 0.25);
  border-top: 1px solid var(--border);
}

.footer-copy {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-nav a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-nav a:hover {
  color: var(--accent-light);
}

@media (min-width: 640px) {
  .footer-simple {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* ---- Scroll reveal ---- */

[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Responsive ---- */

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 72px;
    left: 1rem;
    right: 1rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
    background: rgba(6, 26, 17, 0.98);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 1rem;
    box-shadow: var(--shadow-card);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.25s ease, opacity 0.25s ease;
  }

  .nav-menu.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-menu a {
    width: 100%;
    padding: 0.7rem 0.5rem;
    border-radius: var(--radius-sm);
  }

  .nav-menu a:hover,
  .nav-menu a.active {
    background: var(--surface);
  }

  .nav-menu a.active::after {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }
}