/* Apple Design System for Leizersoft */
:root {
  --bg-body: #000000;
  --bg-card: rgba(22, 22, 26, 0.75);
  --bg-card-hover: rgba(30, 30, 36, 0.9);
  --bg-glass: rgba(18, 18, 20, 0.8);
  --text-primary: #f5f5f7;
  --text-secondary: #86868b;
  --text-muted: #6e6e73;
  --accent-blue: #2997ff;
  --accent-blue-hover: #0077ed;
  --accent-glow: rgba(41, 151, 255, 0.35);
  --accent-gradient: linear-gradient(135deg, #2997ff 0%, #a855f7 100%);
  --accent-green: #30d158;
  --border-subtle: rgba(255, 255, 255, 0.12);
  --border-light: rgba(255, 255, 255, 0.22);
  --radius-pill: 980px;
  --radius-card: 24px;
  --radius-sm: 12px;
  --font-main: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  --shadow-card: 0 16px 40px rgba(0, 0, 0, 0.4);
}

[data-theme="light"] {
  --bg-body: #fbfbfd;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: rgba(255, 255, 255, 0.98);
  --bg-glass: rgba(255, 255, 255, 0.8);
  --text-primary: #1d1d1f;
  --text-secondary: #6e6e73;
  --text-muted: #86868b;
  --accent-blue: #0071e3;
  --accent-blue-hover: #0077ed;
  --accent-glow: rgba(0, 113, 227, 0.2);
  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-light: rgba(0, 0, 0, 0.16);
  --shadow-card: 0 16px 40px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .ambient-glow {
  background: radial-gradient(ellipse at center, rgba(0, 113, 227, 0.08), transparent 70%);
}

[data-theme="light"] .image-preview-frame {
  background: rgba(0, 0, 0, 0.03);
  border-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .bento-card::before {
  background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.08), transparent);
}

[data-theme="light"] .cta-banner {
  background: radial-gradient(circle at center, rgba(0, 113, 227, 0.08), transparent 70%), var(--bg-card);
  border-color: var(--border-light);
}

[data-theme="light"] .product-showcase-hero {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-body);
  color: var(--text-primary);
  font-family: var(--font-main);
  line-height: 1.5;
  overflow-x: hidden;
  direction: ltr;
  transition: background-color 0.3s ease, color 0.3s ease;
  -webkit-font-smoothing: antialiased;
}

/* Ambient glow */
.ambient-glow {
  position: fixed;
  top: -15%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(ellipse at center, rgba(41, 151, 255, 0.14), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 54px;
  background: var(--bg-glass);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 1000;
  transition: background-color 0.3s ease;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

.brand-badge {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.95rem;
  font-weight: 800;
  box-shadow: 0 2px 8px var(--accent-glow);
}

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

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all 0.2s ease;
}

.theme-toggle:hover {
  background: var(--border-subtle);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-blue);
  color: #ffffff;
  box-shadow: 0 4px 18px var(--accent-glow);
}

.btn-primary:hover {
  background: var(--accent-blue-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--accent-glow);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(10px);
}

[data-theme="light"] .btn-secondary {
  background: rgba(0, 0, 0, 0.04);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--border-light);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 13px 28px;
  font-size: 1rem;
}

/* Hero Section */
.hero {
  padding: 130px 0 80px;
  text-align: center;
  position: relative;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  background: rgba(41, 151, 255, 0.1);
  border: 1px solid rgba(41, 151, 255, 0.25);
  color: var(--accent-blue);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(2.8rem, 5.5vw, 4.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin-bottom: 20px;
}

.text-gradient {
  background: linear-gradient(180deg, #ffffff 40%, #a1a1a6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

[data-theme="light"] .text-gradient {
  background: linear-gradient(180deg, #1d1d1f 40%, #515154 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-color-gradient {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--text-secondary);
  max-width: 660px;
  margin: 0 auto 36px;
  font-weight: 400;
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 50px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  padding-top: 30px;
  border-top: 1px solid var(--border-subtle);
  max-width: 760px;
  margin: 0 auto;
}

.stat-item {
  text-align: center;
}

.stat-value {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Section Header */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 50px;
}

.section-tag {
  color: var(--accent-blue);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 14px;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.08rem;
}

/* Bento Grid */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
  margin-bottom: 90px;
}

.bento-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 36px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-card);
}

.bento-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-light);
  transform: translateY(-4px);
}

.bento-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
}

.card-large {
  grid-column: span 8;
}

.card-medium {
  grid-column: span 4;
}

.card-half {
  grid-column: span 6;
}

.card-full {
  grid-column: span 12;
}

.app-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
  margin-bottom: 18px;
  align-self: flex-start;
  border: 1px solid var(--border-subtle);
}

.card-title {
  font-size: 1.85rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.card-description {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 22px;
}

.feature-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.feature-pill {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  padding: 4px 12px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.card-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: auto;
  flex-wrap: wrap;
}

/* Image Frames & Mockups */
.image-preview-frame {
  margin: 20px 0 24px;
  border-radius: 14px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.image-preview-frame img {
  width: 100%;
  height: auto;
  max-height: 280px;
  object-fit: contain;
  display: block;
  transition: transform 0.4s ease;
}

.bento-card:hover .image-preview-frame img {
  transform: scale(1.02);
}

/* Mobile Dual Frame Showcase */
.mobile-dual-frame {
  display: flex;
  gap: 16px;
  justify-content: center;
  align-items: center;
  margin: 20px 0;
}

.phone-mockup {
  background: #111;
  border-radius: 26px;
  padding: 8px;
  border: 2px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
  max-width: 170px;
}

.phone-mockup img {
  border-radius: 20px;
  width: 100%;
  display: block;
}

/* Product Detail Page Specifics */
.product-hero {
  padding: 130px 0 60px;
  text-align: center;
}

.product-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  background: rgba(41, 151, 255, 0.1);
  border: 1px solid rgba(41, 151, 255, 0.25);
  color: var(--accent-blue);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.product-showcase-hero {
  max-width: 900px;
  margin: 40px auto;
  border-radius: 20px;
  border: 1px solid var(--border-light);
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
  background: rgba(20, 20, 24, 0.9);
}

.product-showcase-hero img,
.product-showcase-hero iframe {
  width: 100%;
  height: 500px;
  display: block;
  border: none;
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 40px 0 80px;
}

.spec-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  padding: 24px;
  text-align: center;
}

.spec-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.spec-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.feature-deepdive {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  margin: 80px 0;
}

.feature-deepdive.reverse {
  direction: rtl;
}

.feature-deepdive.reverse > * {
  direction: ltr;
}

/* Forms & Inputs */
.form-group {
  margin-bottom: 20px;
  text-align: left;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  transition: all 0.25s ease;
  outline: none;
}

[data-theme="light"] .form-input,
[data-theme="light"] .form-textarea,
[data-theme="light"] .form-select {
  background: rgba(0, 0, 0, 0.03);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px var(--accent-glow);
  background: rgba(255, 255, 255, 0.09);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

/* FAQ Accordion */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 800px;
  margin: 40px auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 24px;
  text-align: left;
}

.faq-question {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.faq-answer {
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.6;
}

/* Category Grid & Cards */
.category-hero {
  padding: 120px 0 50px;
  text-align: center;
}

/* Footer */
footer {
  border-top: 1px solid var(--border-subtle);
  padding: 50px 0 40px;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

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

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

/* Responsive */
@media (max-width: 992px) {
  .card-large, .card-medium, .card-half {
    grid-column: span 12;
  }
  .specs-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .feature-deepdive {
    grid-template-columns: 1fr;
  }
  .nav-links {
    display: none;
  }
}