/* ============================================
   Kiki Gadgets — Main Stylesheet
   ============================================ */

:root {
  --primary:    #2563eb;
  --primary-dk: #1d4ed8;
  --accent:     #f59e0b;
  --dark:       #1e293b;
  --mid:        #475569;
  --light-bg:   #f8fafc;
  --card-bg:    #ffffff;
  --border:     #e2e8f0;
  --radius:     12px;
  --shadow:     0 4px 24px rgba(0,0,0,0.08);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--dark);
  background: var(--light-bg);
  line-height: 1.6;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- HEADER ---- */
header {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon { font-size: 28px; }

.logo-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  display: block;
  line-height: 1.1;
}

.logo-tagline {
  font-size: 12px;
  color: var(--mid);
  letter-spacing: 0.05em;
}

nav { display: flex; gap: 24px; }

nav a {
  font-size: 15px;
  font-weight: 500;
  color: var(--mid);
  transition: color 0.2s;
}

nav a:hover { color: var(--primary); text-decoration: none; }

/* ---- HERO ---- */
.hero {
  background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 60%, #3b82f6 100%);
  color: white;
  padding: 80px 24px 90px;
  text-align: center;
}

.hero-inner { max-width: 640px; margin: 0 auto; }

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
}

.highlight { color: var(--accent); }

.hero-sub {
  font-size: 1.15rem;
  opacity: 0.9;
  margin-bottom: 36px;
}

.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: #1e293b;
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 36px;
  border-radius: 50px;
  transition: transform 0.15s, box-shadow 0.15s;
  text-decoration: none;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.2);
  text-decoration: none;
}

/* ---- APPS SECTION ---- */
.apps-section {
  padding: 72px 0;
}

.apps-section h2 {
  text-align: center;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 48px;
  color: var(--dark);
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.app-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.app-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(0,0,0,0.12);
}

.app-icon {
  font-size: 52px;
  width: 80px;
  height: 80px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tr-icon { background: #eff6ff; }
.cs-icon { background: #fef3c7; }

.app-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--dark);
}

.app-desc {
  color: var(--mid);
  font-size: 0.95rem;
}

.app-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.app-features li {
  font-size: 0.9rem;
  color: var(--mid);
  padding-left: 20px;
  position: relative;
}

.app-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

.app-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.store-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: opacity 0.2s;
}

.store-btn:hover { opacity: 0.85; text-decoration: none; }

.google-btn {
  background: #1e293b;
  color: white;
}

.apple-btn {
  background: #1e293b;
  color: white;
}

.privacy-link {
  font-size: 0.8rem;
  color: var(--mid);
  align-self: flex-start;
}

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

/* ---- ABOUT ---- */
.about-section {
  background: var(--dark);
  color: white;
  padding: 72px 0;
}

.about-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
}

.about-text { max-width: 560px; }

.about-text h2 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.about-text p {
  color: #94a3b8;
  margin-bottom: 12px;
  font-size: 1rem;
}

.btn-secondary {
  display: inline-block;
  margin-top: 8px;
  background: transparent;
  border: 2px solid var(--accent);
  color: var(--accent);
  font-weight: 600;
  padding: 12px 28px;
  border-radius: 50px;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

.btn-secondary:hover {
  background: var(--accent);
  color: var(--dark);
  text-decoration: none;
}

.about-icon { font-size: 100px; opacity: 0.15; }

/* ---- FOOTER ---- */
footer {
  background: #0f172a;
  color: #64748b;
  padding: 28px 0;
  font-size: 0.85rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-links { display: flex; gap: 20px; }

.footer-links a { color: #64748b; }
.footer-links a:hover { color: #94a3b8; }

/* ---- PRIVACY PAGES ---- */
.privacy-page {
  max-width: 760px;
  margin: 48px auto;
  padding: 0 24px 80px;
}

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

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

.privacy-page h1 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 4px;
}

.privacy-page .app-label {
  color: var(--primary);
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 4px;
}

.privacy-page .effective {
  color: var(--mid);
  font-size: 0.875rem;
  margin-bottom: 36px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.privacy-page h2 {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 32px 0 10px;
  color: var(--dark);
}

.privacy-page p, .privacy-page li {
  color: var(--mid);
  font-size: 0.95rem;
  margin-bottom: 10px;
}

.privacy-page ul {
  padding-left: 20px;
  margin-bottom: 10px;
}

.privacy-page hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 36px 0;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 640px) {
  .about-inner { flex-direction: column; text-align: center; }
  .about-icon { display: none; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  nav { gap: 16px; }
}