/* =============================================
   SoloScan — Static Website Stylesheet
   ============================================= */

/* ---- Reset & Base ---- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-deep:      #080c14;
  --bg-surface:   #0e1422;
  --bg-card:      #141b2d;
  --bg-card-hover:#1a2340;
  --accent:       #4f6ef7;
  --accent-light: #7b92fa;
  --accent-glow:  rgba(79, 110, 247, 0.35);
  --purple:       #a78bfa;
  --text-primary: #f0f4ff;
  --text-secondary: #7e8fa8;
  --text-muted:   #4a566a;
  --border:       rgba(255,255,255,0.07);
  --radius-sm:    8px;
  --radius-md:    14px;
  --radius-lg:    24px;
  --transition:   0.25s ease;
  --font-sans:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

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

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
ul { list-style: none; }

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

/* ---- Utilities ---- */
.gradient-text {
  background: linear-gradient(135deg, #4f6ef7 0%, #a78bfa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 12px;
}

/* ---- Navigation ---- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  background: rgba(8, 12, 20, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}

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

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav-logo {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

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

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

.nav-cta {
  background: var(--accent);
  color: #fff !important;
  padding: 8px 20px;
  border-radius: 999px;
  font-weight: 600;
  transition: background var(--transition), transform var(--transition) !important;
}

.nav-cta:hover {
  background: var(--accent-light) !important;
  transform: translateY(-1px);
}

/* ---- Hero ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}

/* Background glow orbs */
.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(79, 110, 247, 0.18) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -150px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(167, 139, 250, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(79, 110, 247, 0.12);
  border: 1px solid rgba(79, 110, 247, 0.3);
  color: var(--accent-light);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 24px;
}

.hero-badge svg { width: 14px; height: 14px; }

.hero-title {
  font-size: clamp(2.6rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.04em;
  margin-bottom: 20px;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 480px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.badges-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.badge-link {
  display: inline-block;
  transition: transform var(--transition), opacity var(--transition);
}

.badge-link:hover {
  transform: translateY(-2px);
  opacity: 0.9;
}

.store-badge {
  height: 46px;
  width: auto;
}

/* Hero visual */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.app-icon-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.app-icon-glow {
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%       { transform: scale(1.1); opacity: 0.7; }
}

.app-icon-main {
  position: relative;
  width: 200px;
  height: 200px;
  border-radius: 46px;
  object-fit: cover;
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.08),
    0 32px 80px rgba(0,0,0,0.5),
    0 0 60px var(--accent-glow);
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-14px); }
}

/* ---- Stats ---- */
.stats {
  padding: 60px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  text-align: center;
}

.stat-item {
  padding: 32px 24px;
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background: var(--border);
}

.stat-number {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* ---- Features ---- */
.features {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: 580px;
  margin: 0 auto 64px;
}

.section-title {
  font-size: clamp(1.9rem, 3.5vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.15;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(79, 110, 247, 0.3);
  transform: translateY(-4px);
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(79, 110, 247, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.6rem;
}

.feature-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.feature-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ---- How It Works ---- */
.how-it-works {
  padding: 100px 0;
  background: var(--bg-surface);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
}

/* Connecting line between steps */
.steps-grid::before {
  content: '';
  position: absolute;
  top: 30px;
  left: calc(12.5% + 20px);
  right: calc(12.5% + 20px);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), var(--purple), transparent);
  pointer-events: none;
}

.step-item {
  text-align: center;
  position: relative;
}

.step-number {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 800;
  margin: 0 auto 20px;
  box-shadow: 0 0 24px var(--accent-glow);
}

.step-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ---- Download CTA ---- */
.download-cta {
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.download-cta::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(79, 110, 247, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.cta-box {
  position: relative;
  background: var(--bg-card);
  border: 1px solid rgba(79, 110, 247, 0.2);
  border-radius: var(--radius-lg);
  padding: 64px 48px;
  max-width: 700px;
  margin: 0 auto;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.cta-logo {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  object-fit: cover;
  margin: 0 auto 24px;
  box-shadow: 0 0 40px var(--accent-glow);
}

.cta-title {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 12px;
}

.cta-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 36px;
  max-width: 440px;
  margin-left: auto;
  margin-right: auto;
}

.badges-center {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* ---- Footer ---- */
.footer {
  padding: 48px 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  font-weight: 700;
}

.footer-logo {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  object-fit: contain;
}

.footer-links {
  display: flex;
  gap: 28px;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--text-secondary); }

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 48px;
  }

  .hero-desc { max-width: 100%; margin-left: auto; margin-right: auto; }
  .badges-row { justify-content: center; }
  .hero-badge { margin-left: auto; margin-right: auto; }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps-grid::before { display: none; }

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

@media (max-width: 600px) {
  .nav-links { display: none; }

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

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

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

  .stat-item::after { display: none !important; }

  .cta-box { padding: 40px 24px; }

  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }
}