/* DevCleaner Pro — Product Website Stylesheet */
:root {
  --bg-dark: #090d16;
  --bg-card: rgba(15, 23, 42, 0.75);
  --bg-accent: rgba(30, 41, 59, 0.6);
  --border: rgba(255, 255, 255, 0.1);
  --border-glow: rgba(138, 43, 226, 0.3);
  --fg: #f8fafc;
  --fg-muted: #94a3b8;
  --primary: #1c5fc0;
  --accent-purple: #8a2be2;
  --accent-green: #34c759;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Outfit', sans-serif;
}

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

body {
  background-color: var(--bg-dark);
  background-image: 
    radial-gradient(circle at 20% 15%, rgba(28, 95, 192, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 80% 60%, rgba(138, 43, 226, 0.12) 0%, transparent 45%),
    radial-gradient(circle at 50% 90%, rgba(52, 199, 89, 0.08) 0%, transparent 50%);
  color: var(--fg);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header & Nav */
header {
  padding: 20px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  background: rgba(9, 13, 22, 0.8);
  border-bottom: 1px solid var(--border);
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--fg);
}

.brand-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--accent-purple));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 4px 12px rgba(28, 95, 192, 0.3);
}

.brand-name {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-links a {
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition: color .2s;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent-purple));
  color: #fff;
  padding: 10px 22px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  font-size: 14px;
  box-shadow: 0 4px 14px rgba(138, 43, 226, 0.35);
  transition: transform .2s, box-shadow .2s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(138, 43, 226, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  color: var(--fg);
  padding: 10px 22px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
  transition: background .2s;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* Hero Section */
.hero {
  padding: 80px 0 60px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(138, 43, 226, 0.15);
  border: 1px solid var(--border-glow);
  border-radius: 999px;
  color: #c084fc;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 24px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
  background: linear-gradient(180deg, #ffffff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 680px;
  margin: 0 auto 36px;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 48px;
}

/* App Screenshot Mockup */
.hero-mockup {
  position: relative;
  max-width: 960px;
  margin: 0 auto;
  border-radius: 16px;
  padding: 8px;
  background: linear-gradient(135deg, rgba(28, 95, 192, 0.4), rgba(138, 43, 226, 0.4));
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
}

.mockup-inner {
  background: #0f172a;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.mockup-header {
  background: #1e293b;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.mockup-img {
  width: 100%;
  display: block;
}

/* Features Grid */
.features {
  padding: 80px 0;
}

.section-head {
  text-align: center;
  margin-bottom: 54px;
}

.section-title {
  font-family: var(--font-display);
  font-size: 38px;
  font-weight: 800;
  margin-bottom: 12px;
}

.section-sub {
  color: var(--fg-muted);
  font-size: 16px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 30px;
  backdrop-filter: blur(8px);
  transition: transform .25s, border-color .25s;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(138, 43, 226, 0.4);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: rgba(28, 95, 192, 0.15);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
}

.feature-title {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 10px;
}

.feature-desc {
  color: var(--fg-muted);
  font-size: 14px;
  line-height: 1.6;
}

/* Pricing Section */
.pricing {
  padding: 80px 0;
}

.pricing-toggle {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin-bottom: 40px;
}

.toggle-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  color: var(--fg);
  padding: 6px 16px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 700;
  font-size: 13px;
  transition: all .2s;
}

.toggle-btn.active {
  background: var(--accent-purple);
  border-color: var(--accent-purple);
  color: #fff;
}

.grid-pricing {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
  max-width: 900px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px;
  position: relative;
}

.pricing-card.featured {
  border: 2px solid var(--accent-purple);
  background: linear-gradient(180deg, rgba(138, 43, 226, 0.08) 0%, var(--bg-card) 100%);
}

.badge-featured {
  position: absolute;
  top: -12px;
  right: 24px;
  background: var(--accent-purple);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 999px;
}

.price-val {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 900;
  margin: 16px 0;
}

.price-sub {
  font-size: 14px;
  color: var(--fg-muted);
  margin-bottom: 24px;
}

.pricing-features {
  list-style: none;
  margin-bottom: 32px;
}

.pricing-features li {
  font-size: 14px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.pricing-features li::before {
  content: "✓";
  color: var(--accent-green);
  font-weight: 900;
}

/* FAQ Section */
.faq {
  padding: 80px 0;
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border);
  background: var(--bg-card);
  border-radius: 12px;
  margin-bottom: 14px;
  overflow: hidden;
}

.faq-q {
  padding: 20px 24px;
  font-weight: 700;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-a {
  padding: 0 24px 20px;
  color: var(--fg-muted);
  font-size: 14px;
  display: none;
}

.faq-item.open .faq-a {
  display: block;
}

/* Footer */
footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--fg-muted);
  font-size: 13px;
}