/* ========================================
   CleanSlate - Remote Data Protection
   Modern, Mobile-First Design
   ======================================== */

/* CSS Variables */
:root {
  --primary: #0052cc;
  --primary-dark: #003d99;
  --primary-light: #4da3ff;
  --secondary: #172b4d;
  --accent: #36b37e;
  --accent-dark: #2a8f62;
  --danger: #de350b;
  --warning: #ff991f;
  --text-primary: #172b4d;
  --text-secondary: #5e6c84;
  --text-light: #97a0af;
  --bg-primary: #ffffff;
  --bg-secondary: #f4f5f7;
  --bg-dark: #0c1b2e;
  --bg-hero: linear-gradient(135deg, #0c1b2e 0%, #1a3a5c 50%, #0052cc 100%);
  --border: #dfe1e6;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --max-width: 1200px;
  --header-height: 72px;
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; font-size: 16px; }
body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: var(--bg-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-display); line-height: 1.2; font-weight: 700; }

/* Container */
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* ========================================
   Header & Navigation
   ======================================== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  height: var(--header-height);
  transition: var(--transition);
}
.header.scrolled {
  box-shadow: var(--shadow-md);
}
.header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--header-height);
}
.logo { display: flex; align-items: center; gap: 10px; font-size: 1.35rem; font-weight: 800; color: var(--secondary); }
.logo svg { width: 36px; height: 36px; }
.logo span { background: linear-gradient(135deg, var(--primary), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

.nav { display: flex; align-items: center; gap: 8px; }
.nav a {
  padding: 8px 16px; border-radius: var(--radius-sm);
  color: var(--text-secondary); font-weight: 500; font-size: 0.95rem;
  transition: var(--transition);
}
.nav a:hover { color: var(--primary); background: rgba(0,82,204,0.06); }
.nav a.active { color: var(--primary); background: rgba(0,82,204,0.08); }

.nav-cta {
  background: var(--primary) !important; color: #fff !important;
  padding: 10px 22px !important; border-radius: var(--radius-sm) !important;
  font-weight: 600 !important;
}
.nav-cta:hover { background: var(--primary-dark) !important; transform: translateY(-1px); box-shadow: var(--shadow-md); }

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; background: none; border: none; }
.hamburger span { width: 24px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: var(--transition); }

/* Mobile Nav */
.mobile-nav {
  position: fixed; top: var(--header-height); left: 0; right: 0; bottom: 0;
  background: rgba(255,255,255,0.98); backdrop-filter: blur(20px);
  padding: 24px; transform: translateX(100%); transition: var(--transition);
  z-index: 999; overflow-y: auto;
}
.mobile-nav.open { transform: translateX(0); }
.mobile-nav a {
  display: block; padding: 16px 0; color: var(--text-primary);
  font-size: 1.1rem; font-weight: 500; border-bottom: 1px solid var(--border);
}
.mobile-nav a:hover { color: var(--primary); }

/* ========================================
   Hero Section
   ======================================== */
.hero {
  background: var(--bg-hero);
  padding: 140px 0 100px;
  position: relative; overflow: hidden;
  min-height: 85vh; display: flex; align-items: center;
}
.hero::before {
  content: ''; position: absolute; top: -50%; right: -20%;
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(54,179,126,0.15) 0%, transparent 70%);
  border-radius: 50%;
}
.hero::after {
  content: ''; position: absolute; bottom: -30%; left: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,82,204,0.2) 0%, transparent 70%);
  border-radius: 50%;
}
.hero .container { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero-content { color: #fff; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2);
  padding: 8px 18px; border-radius: 100px; font-size: 0.85rem; font-weight: 500;
  margin-bottom: 28px; backdrop-filter: blur(10px);
}
.hero-badge .dot { width: 8px; height: 8px; background: var(--accent); border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); margin-bottom: 20px; line-height: 1.15; }
.hero p { font-size: 1.15rem; opacity: 0.85; margin-bottom: 36px; max-width: 520px; line-height: 1.8; }
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-visual { position: relative; display: flex; justify-content: center; }
.hero-phone {
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2);
  border-radius: 32px; padding: 40px 30px; backdrop-filter: blur(20px);
  max-width: 340px; width: 100%;
}
.phone-screen {
  background: rgba(255,255,255,0.95); border-radius: 20px; padding: 30px 20px;
  text-align: center; color: var(--text-primary);
}
.phone-icon { font-size: 3rem; margin-bottom: 16px; }
.phone-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.phone-text { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 20px; }
.phone-status { display: flex; align-items: center; justify-content: center; gap: 8px; font-size: 0.8rem; color: var(--accent); font-weight: 600; }
.phone-status .dot { width: 8px; height: 8px; background: var(--accent); border-radius: 50%; animation: pulse 2s infinite; }
.phone-features { margin-top: 20px; display: flex; flex-direction: column; gap: 10px; }
.phone-feature {
  display: flex; align-items: center; gap: 10px; padding: 10px 14px;
  background: var(--bg-secondary); border-radius: 10px; font-size: 0.82rem; font-weight: 500;
}
.phone-feature .check { color: var(--accent); font-weight: 700; }

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 30px; border-radius: var(--radius-sm);
  font-weight: 600; font-size: 0.95rem; cursor: pointer;
  transition: var(--transition); border: none; font-family: var(--font-sans);
  white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-lg); color: #fff; }
.btn-secondary { background: #fff; color: var(--text-primary); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: var(--shadow-lg); color: #fff; }
.btn-outline-white { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.3); }
.btn-outline-white:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.5); color: #fff; }
.btn-lg { padding: 18px 38px; font-size: 1.05rem; border-radius: var(--radius-md); }
.btn-sm { padding: 10px 20px; font-size: 0.85rem; }

/* ========================================
   Section Styles
   ======================================== */
.section { padding: 100px 0; }
.section-dark { background: var(--bg-dark); color: #fff; }
.section-gray { background: var(--bg-secondary); }
.section-header { text-align: center; max-width: 680px; margin: 0 auto 60px; }
.section-header .overline { font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 2px; color: var(--primary); margin-bottom: 12px; }
.section-dark .section-header .overline { color: var(--accent); }
.section-header h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); margin-bottom: 16px; }
.section-header p { color: var(--text-secondary); font-size: 1.1rem; line-height: 1.8; }
.section-dark .section-header p { color: rgba(255,255,255,0.65); }

/* ========================================
   Feature Cards
   ======================================== */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 28px; }
.feature-card {
  background: var(--bg-primary); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 36px 30px;
  transition: var(--transition); position: relative; overflow: hidden;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.feature-icon {
  width: 56px; height: 56px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; margin-bottom: 20px;
}
.feature-icon.blue { background: rgba(0,82,204,0.1); }
.feature-icon.green { background: rgba(54,179,126,0.1); }
.feature-icon.orange { background: rgba(255,153,31,0.1); }
.feature-icon.purple { background: rgba(100,80,200,0.1); }
.feature-icon.red { background: rgba(222,53,11,0.1); }
.feature-icon.teal { background: rgba(0,180,216,0.1); }
.feature-card h3 { font-size: 1.2rem; margin-bottom: 10px; }
.feature-card p { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.7; }

/* ========================================
   Steps / How It Works
   ======================================== */
.steps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 32px; position: relative; }
.step-card { text-align: center; position: relative; }
.step-number {
  width: 64px; height: 64px; border-radius: 50%;
  background: var(--bg-hero); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; font-weight: 800; margin: 0 auto 20px;
}
.step-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.step-card p { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.7; max-width: 280px; margin: 0 auto; }

/* ========================================
   Pricing
   ======================================== */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 32px; max-width: 900px; margin: 0 auto; }
.pricing-card {
  background: var(--bg-primary); border: 2px solid var(--border);
  border-radius: var(--radius-lg); padding: 44px 36px;
  text-align: center; transition: var(--transition);
}
.pricing-card.featured {
  border-color: var(--primary);
  box-shadow: var(--shadow-xl);
  transform: scale(1.03);
  position: relative;
}
.pricing-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--primary); color: #fff;
  padding: 6px 22px; border-radius: 100px;
  font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px;
}
.pricing-card h3 { font-size: 1.3rem; margin-bottom: 8px; }
.pricing-card .price { font-size: 3rem; font-weight: 800; color: var(--primary); margin: 20px 0; }
.pricing-card .price span { font-size: 1rem; font-weight: 400; color: var(--text-secondary); }
.pricing-card .desc { color: var(--text-secondary); font-size: 0.95rem; margin-bottom: 28px; }
.pricing-features { text-align: left; margin-bottom: 32px; }
.pricing-features li { padding: 10px 0; display: flex; align-items: center; gap: 12px; font-size: 0.95rem; }
.pricing-features li .icon { color: var(--accent); font-weight: 700; flex-shrink: 0; }

/* ========================================
   Testimonials
   ======================================== */
.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 28px; }
.testimonial-card {
  background: var(--bg-primary); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 32px 28px;
  transition: var(--transition);
}
.testimonial-card:hover { box-shadow: var(--shadow-md); }
.testimonial-stars { color: var(--warning); font-size: 1.1rem; margin-bottom: 14px; }
.testimonial-text { font-size: 0.98rem; line-height: 1.8; color: var(--text-primary); margin-bottom: 20px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 14px; }
.testimonial-avatar {
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--bg-hero); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1.1rem;
}
.testimonial-info .name { font-weight: 600; font-size: 0.95rem; }
.testimonial-info .role { font-size: 0.85rem; color: var(--text-secondary); }

/* ========================================
   FAQ
   ======================================== */
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--border); border-radius: var(--radius-md);
  margin-bottom: 12px; overflow: hidden; transition: var(--transition);
}
.faq-item:hover { border-color: var(--primary-light); }
.faq-question {
  width: 100%; padding: 20px 24px; display: flex;
  align-items: center; justify-content: space-between;
  background: none; border: none; cursor: pointer;
  font-family: var(--font-sans); font-size: 1.05rem;
  font-weight: 600; text-align: left; color: var(--text-primary);
  transition: var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-icon { font-size: 1.3rem; transition: var(--transition); color: var(--text-secondary); flex-shrink: 0; margin-left: 16px; }
.faq-item.open .faq-icon { transform: rotate(45deg); color: var(--primary); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-answer-content { padding: 0 24px 20px; color: var(--text-secondary); line-height: 1.8; font-size: 0.95rem; }
.faq-item.open .faq-answer { max-height: 400px; }

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
  background: var(--bg-hero);
  padding: 80px 0; text-align: center;
  position: relative; overflow: hidden;
}
.cta-section::before {
  content: ''; position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(54,179,126,0.2) 0%, transparent 70%);
  border-radius: 50%;
}
.cta-section .container { position: relative; z-index: 2; }
.cta-section h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); color: #fff; margin-bottom: 16px; }
.cta-section p { color: rgba(255,255,255,0.75); font-size: 1.1rem; margin-bottom: 32px; max-width: 540px; margin-left: auto; margin-right: auto; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ========================================
   Footer
   ======================================== */
.footer { background: var(--bg-dark); color: rgba(255,255,255,0.7); padding: 70px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p { font-size: 0.95rem; line-height: 1.8; max-width: 320px; }
.footer-col h4 { color: #fff; font-size: 0.9rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 20px; }
.footer-col a { display: block; color: rgba(255,255,255,0.6); padding: 6px 0; font-size: 0.92rem; transition: var(--transition); }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 28px; display: flex; align-items: center;
  justify-content: space-between; flex-wrap: wrap; gap: 16px;
  font-size: 0.88rem;
}
.footer-social { display: flex; gap: 16px; }
.footer-social a {
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(255,255,255,0.08); display: flex;
  align-items: center; justify-content: center;
  color: rgba(255,255,255,0.6); transition: var(--transition);
  font-size: 0.9rem;
}
.footer-social a:hover { background: var(--primary); color: #fff; }

/* ========================================
   Page Header (for subpages)
   ======================================== */
.page-header {
  background: var(--bg-hero);
  padding: 130px 0 60px;
  position: relative; overflow: hidden;
}
.page-header::before {
  content: ''; position: absolute; top: -50%; right: -20%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(54,179,126,0.1) 0%, transparent 70%);
  border-radius: 50%;
}
.page-header .container { position: relative; z-index: 2; }
.breadcrumb { font-size: 0.88rem; color: rgba(255,255,255,0.6); margin-bottom: 16px; }
.breadcrumb a { color: rgba(255,255,255,0.7); }
.breadcrumb a:hover { color: #fff; }
.page-header h1 { color: #fff; font-size: clamp(2rem, 4vw, 2.8rem); }
.page-header p { color: rgba(255,255,255,0.7); font-size: 1.1rem; margin-top: 12px; max-width: 600px; }

/* ========================================
   Content Pages
   ======================================== */
.content-page { padding: 70px 0 100px; }
.content-page .container { max-width: 820px; }
.content-page h1 { font-size: 2.2rem; margin-bottom: 24px; }
.content-page h2 { font-size: 1.5rem; margin: 40px 0 16px; padding-top: 24px; border-top: 1px solid var(--border); }
.content-page h3 { font-size: 1.2rem; margin: 28px 0 12px; }
.content-page p { color: var(--text-secondary); margin-bottom: 16px; line-height: 1.9; font-size: 1.02rem; }
.content-page ul, .content-page ol { padding-left: 24px; margin-bottom: 16px; }
.content-page li { color: var(--text-secondary); margin-bottom: 8px; line-height: 1.8; font-size: 1rem; list-style: disc; }
.content-page strong { color: var(--text-primary); }
.content-page a { color: var(--primary); font-weight: 500; }
.content-page a:hover { text-decoration: underline; }

/* ========================================
   Blog Styles
   ======================================== */
.blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(360px, 1fr)); gap: 32px; }
.blog-card {
  background: var(--bg-primary); border: 1px solid var(--border);
  border-radius: var(--radius-md); overflow: hidden;
  transition: var(--transition);
}
.blog-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.blog-card-image {
  width: 100%; height: 200px;
  background: var(--bg-hero);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; position: relative;
}
.blog-card-image .placeholder {
  color: rgba(255,255,255,0.4); font-size: 2.5rem;
}
.blog-card-body { padding: 24px; }
.blog-card-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; font-size: 0.82rem; }
.blog-card-category {
  background: rgba(0,82,204,0.08); color: var(--primary);
  padding: 4px 12px; border-radius: 100px; font-weight: 600;
  font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.5px;
}
.blog-card-date { color: var(--text-light); }
.blog-card h3 { font-size: 1.15rem; margin-bottom: 10px; line-height: 1.4; }
.blog-card h3 a { color: var(--text-primary); }
.blog-card h3 a:hover { color: var(--primary); }
.blog-card p { color: var(--text-secondary); font-size: 0.92rem; line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.blog-card-footer { padding: 16px 24px; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.blog-card-read { font-size: 0.88rem; font-weight: 600; color: var(--primary); }
.blog-card-read:hover { text-decoration: underline; }

/* Blog article */
.blog-article { max-width: 780px; margin: 0 auto; }
.blog-article h1 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); margin-bottom: 20px; line-height: 1.25; }
.blog-article-meta { display: flex; align-items: center; gap: 16px; margin-bottom: 32px; color: var(--text-secondary); font-size: 0.9rem; flex-wrap: wrap; }
.blog-article-author { display: flex; align-items: center; gap: 10px; }
.blog-article-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--bg-hero); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.85rem;
}
.blog-article-content { font-size: 1.05rem; line-height: 1.9; color: var(--text-secondary); }
.blog-article-content h2 { font-size: 1.5rem; color: var(--text-primary); margin: 40px 0 16px; }
.blog-article-content h3 { font-size: 1.25rem; color: var(--text-primary); margin: 32px 0 12px; }
.blog-article-content p { margin-bottom: 18px; }
.blog-article-content ul, .blog-article-content ol { padding-left: 24px; margin-bottom: 18px; }
.blog-article-content li { margin-bottom: 8px; list-style: disc; }
.blog-article-content blockquote {
  border-left: 4px solid var(--primary); padding: 16px 24px;
  background: var(--bg-secondary); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 24px 0; font-style: italic;
}
.blog-article-content a { color: var(--primary); font-weight: 500; }
.blog-article-content a:hover { text-decoration: underline; }

/* Pagination */
.pagination { display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 48px; }
.pagination a, .pagination span {
  padding: 10px 16px; border-radius: var(--radius-sm);
  font-size: 0.9rem; font-weight: 500; transition: var(--transition);
}
.pagination a { background: var(--bg-primary); color: var(--text-secondary); border: 1px solid var(--border); }
.pagination a:hover { border-color: var(--primary); color: var(--primary); }
.pagination .active { background: var(--primary); color: #fff; border: 1px solid var(--primary); }
.pagination .disabled { opacity: 0.4; pointer-events: none; }

/* Blog sidebar */
.blog-layout { display: grid; grid-template-columns: 1fr 300px; gap: 48px; }
.blog-sidebar { position: sticky; top: 100px; align-self: start; }
.sidebar-widget { margin-bottom: 32px; }
.sidebar-widget h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1.5px; color: var(--text-primary); margin-bottom: 16px; font-weight: 700; }
.sidebar-categories a {
  display: block; padding: 8px 14px; margin-bottom: 4px;
  border-radius: var(--radius-sm); font-size: 0.9rem;
  color: var(--text-secondary); transition: var(--transition);
}
.sidebar-categories a:hover { background: var(--bg-secondary); color: var(--primary); }

/* ========================================
   Stats
   ======================================== */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 32px; text-align: center; }
.stat-item .number { font-size: 2.5rem; font-weight: 800; color: var(--primary); margin-bottom: 4px; }
.section-dark .stat-item .number { color: var(--accent); }
.stat-item .label { color: var(--text-secondary); font-size: 0.95rem; }
.section-dark .stat-item .label { color: rgba(255,255,255,0.6); }

/* ========================================
   Contact Form
   ======================================== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 8px; font-size: 0.92rem; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 14px 16px; border: 1px solid var(--border);
  border-radius: var(--radius-sm); font-size: 0.95rem;
  font-family: var(--font-sans); transition: var(--transition);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,82,204,0.1);
}
.form-group textarea { resize: vertical; min-height: 140px; }
.contact-info-cards { display: flex; flex-direction: column; gap: 20px; }
.contact-info-card {
  display: flex; align-items: flex-start; gap: 16px;
  padding: 24px; border: 1px solid var(--border);
  border-radius: var(--radius-md); transition: var(--transition);
}
.contact-info-card:hover { border-color: var(--primary); box-shadow: var(--shadow-sm); }
.contact-info-icon {
  width: 48px; height: 48px; border-radius: var(--radius-sm);
  background: rgba(0,82,204,0.08); display: flex;
  align-items: center; justify-content: center;
  font-size: 1.2rem; flex-shrink: 0;
}
.contact-info-card h4 { font-size: 1rem; margin-bottom: 4px; }
.contact-info-card p { color: var(--text-secondary); font-size: 0.92rem; }
.contact-info-card a { color: var(--primary); font-weight: 500; }

/* ========================================
   About Page
   ======================================== */
.about-hero { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.values-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.value-card {
  padding: 32px 24px; border: 1px solid var(--border);
  border-radius: var(--radius-md); text-align: center;
  transition: var(--transition);
}
.value-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.value-icon { font-size: 2rem; margin-bottom: 16px; }
.value-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.value-card p { color: var(--text-secondary); font-size: 0.92rem; line-height: 1.7; }

/* ========================================
   Features Page
   ======================================== */
.feature-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; margin-bottom: 80px; }
.feature-detail.reverse { direction: rtl; }
.feature-detail.reverse > * { direction: ltr; }
.feature-detail-text h2 { font-size: 1.8rem; margin-bottom: 16px; }
.feature-detail-text p { color: var(--text-secondary); font-size: 1.02rem; line-height: 1.8; margin-bottom: 16px; }
.feature-detail-visual {
  background: var(--bg-secondary); border-radius: var(--radius-lg);
  padding: 48px; display: flex; align-items: center; justify-content: center;
  min-height: 300px;
}

/* ========================================
   Comparison Table
   ======================================== */
.comparison-table { width: 100%; border-collapse: collapse; margin: 32px 0; }
.comparison-table th, .comparison-table td { padding: 16px 20px; text-align: left; border-bottom: 1px solid var(--border); }
.comparison-table th { background: var(--bg-secondary); font-weight: 600; font-size: 0.9rem; }
.comparison-table td { font-size: 0.95rem; color: var(--text-secondary); }
.comparison-table .check { color: var(--accent); font-weight: 700; }
.comparison-table .cross { color: var(--danger); }

/* ========================================
   404 Page
   ======================================== */
.error-page { text-align: center; padding: 160px 0 100px; }
.error-code { font-size: 8rem; font-weight: 800; background: linear-gradient(135deg, var(--primary), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; line-height: 1; }
.error-page h2 { font-size: 1.8rem; margin: 20px 0 12px; }
.error-page p { color: var(--text-secondary); margin-bottom: 32px; }

/* ========================================
   Utility
   ======================================== */
.text-center { text-align: center; }
.text-primary { color: var(--primary) !important; }
.mb-0 { margin-bottom: 0 !important; }
.mt-40 { margin-top: 40px; }
.mt-60 { margin-top: 60px; }

/* Internal links bar */
.internal-links { padding: 40px 0; border-top: 1px solid var(--border); }
.internal-links h3 { font-size: 1rem; margin-bottom: 16px; text-align: center; }
.related-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.related-links a {
  padding: 8px 18px; border-radius: 100px;
  background: var(--bg-secondary); color: var(--text-secondary);
  font-size: 0.85rem; font-weight: 500; transition: var(--transition);
}
.related-links a:hover { background: var(--primary); color: #fff; }

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; text-align: center; }
  .hero p { margin-left: auto; margin-right: auto; }
  .hero-buttons { justify-content: center; }
  .hero-visual { margin-top: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .blog-layout { grid-template-columns: 1fr; }
  .blog-sidebar { display: none; }
  .feature-detail, .feature-detail.reverse { grid-template-columns: 1fr; }
  .feature-detail.reverse { direction: ltr; }
  .about-hero { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav { display: none; }
  .hamburger { display: flex; }
  .hero { padding: 120px 0 60px; min-height: auto; }
  .section { padding: 60px 0; }
  .features-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-card.featured { transform: none; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-phone { max-width: 280px; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.8rem; }
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { width: 100%; }
  .btn-lg { padding: 14px 24px; font-size: 0.95rem; }
  .container { padding: 0 16px; }
}