/* CloudScape Marketing Site — style.css */

:root {
  --sky-blue: #4CB6FA;
  --sky-blue-dark: #3390E0;
  --golden-hour: #FFC246;
  --blue-hour: #333D8F;
  --sunrise-orange: #FF8C40;
  --fog-purple: #9E84C7;
  --tide-teal: #33B7AE;
  --moon-silver: #C7CDD6;

  --bg-dark: #0D0D12;
  --bg-card: #1A1A22;
  --bg-card-hover: #242430;
  --text-primary: #F2F3F7;
  --text-secondary: #A6ABB7;
  --text-tertiary: #737A85;

  --radius: 14px;
  --radius-lg: 20px;
  --font-stack: -apple-system, 'SF Pro Display', 'SF Pro Text', system-ui, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-stack);
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: var(--sky-blue);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--golden-hour);
}

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

/* ─── Layout ─── */

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 80px 0;
}

/* ─── Navigation ─── */

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(13, 13, 18, 0.85);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(76, 182, 250, 0.1);
}

nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--text-primary);
}

.nav-brand img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--text-primary);
}

/* ─── Hero ─── */

.hero {
  padding: 140px 0 80px;
  text-align: center;
  background: linear-gradient(180deg, rgba(51, 61, 143, 0.3) 0%, var(--bg-dark) 100%);
}

.hero-icon {
  width: 96px;
  height: 96px;
  border-radius: 22px;
  margin: 0 auto 24px;
  box-shadow: 0 8px 32px rgba(76, 182, 250, 0.25);
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  background: linear-gradient(135deg, var(--sky-blue), var(--golden-hour));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero .tagline {
  font-size: 1.35rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
  font-weight: 500;
}

.hero .subtitle {
  font-size: 1rem;
  color: var(--text-tertiary);
  margin-bottom: 36px;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 56px;
}

.btn-appstore {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--text-primary);
  color: var(--bg-dark);
  padding: 14px 28px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 1rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-appstore:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(76, 182, 250, 0.3);
  color: var(--bg-dark);
}

.btn-appstore svg {
  width: 24px;
  height: 24px;
}

/* ─── iPhone Device Frame ─── */

.device-frame {
  position: relative;
  display: inline-block;
  width: 260px;
  padding: 12px;
  background: #1C1C1E;
  border-radius: 36px;
  box-shadow:
    0 0 0 2px #3A3A3C,
    0 20px 60px rgba(0, 0, 0, 0.5),
    0 0 80px rgba(76, 182, 250, 0.08);
}

.device-frame::before {
  content: '';
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 90px;
  height: 24px;
  background: #000;
  border-radius: 14px;
  z-index: 2;
}

.device-frame img {
  width: 100%;
  border-radius: 24px;
  display: block;
}

.device-frame-sm {
  width: 200px;
  padding: 9px;
  border-radius: 28px;
}

.device-frame-sm::before {
  width: 68px;
  height: 18px;
  top: 9px;
  border-radius: 10px;
}

.device-frame-sm img {
  border-radius: 19px;
}

.hero-device {
  margin: 0 auto;
}

/* ─── Features ─── */

.features {
  background: var(--bg-dark);
}

.section-heading {
  text-align: center;
  margin-bottom: 56px;
}

.section-heading h2 {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}

.section-heading p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 520px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 32px 24px 24px;
  text-align: center;
  border: 1px solid rgba(76, 182, 250, 0.06);
  transition: transform 0.25s, border-color 0.25s;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(76, 182, 250, 0.15);
}

.feature-card .device-frame-sm {
  margin: 0 auto 20px;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.925rem;
  line-height: 1.5;
}

.feature-icon {
  font-size: 1.6rem;
  margin-bottom: 12px;
  display: block;
}

.btn-primary {
  display: inline-block;
  background: linear-gradient(135deg, var(--sky-blue), var(--sky-blue-dark));
  color: #fff;
  padding: 14px 36px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 1rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(76, 182, 250, 0.35);
  color: #fff;
}

/* ─── Privacy Teaser ─── */

.privacy-teaser {
  text-align: center;
}

.privacy-teaser .privacy-box {
  max-width: 600px;
  margin: 0 auto;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  border: 1px solid rgba(51, 183, 174, 0.12);
}

.privacy-teaser h2 {
  font-size: 1.6rem;
  margin-bottom: 12px;
}

.privacy-teaser p {
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.6;
}

.privacy-teaser .privacy-highlights {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 24px;
}

.privacy-tag {
  background: rgba(51, 183, 174, 0.1);
  color: var(--tide-teal);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
}

/* ─── Footer ─── */

footer {
  padding: 40px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  text-align: center;
}

footer .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

footer p {
  color: var(--text-tertiary);
  font-size: 0.85rem;
}

footer .footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

footer .footer-links a {
  color: var(--text-tertiary);
  font-size: 0.85rem;
}

footer .footer-links a:hover {
  color: var(--sky-blue);
}

/* ─── Privacy Policy Page ─── */

.privacy-page {
  padding: 120px 0 80px;
}

.privacy-page .container {
  max-width: 720px;
}

.privacy-page h1 {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.privacy-page .effective-date {
  color: var(--text-tertiary);
  font-size: 0.9rem;
  margin-bottom: 40px;
}

.privacy-page h2 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-top: 36px;
  margin-bottom: 12px;
  color: var(--sky-blue);
}

.privacy-page p,
.privacy-page li {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 12px;
}

.privacy-page ul {
  margin-left: 24px;
  margin-bottom: 16px;
}

.privacy-page li {
  margin-bottom: 6px;
}

.privacy-page a {
  color: var(--sky-blue);
}

.privacy-page .back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 32px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.privacy-page .back-link:hover {
  color: var(--sky-blue);
}

/* ─── Responsive ─── */

@media (min-width: 640px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .hero h1 {
    font-size: 4rem;
  }
}

@media (max-width: 639px) {
  .hero h1 {
    font-size: 2.5rem;
  }

  .hero .tagline {
    font-size: 1.1rem;
  }

  section {
    padding: 56px 0;
  }

  .nav-links {
    gap: 16px;
  }

  .nav-links a {
    font-size: 0.8rem;
  }

  .device-frame {
    width: 220px;
  }
}