/* ========================================
   CSS Custom Properties
   ======================================== */
:root {
  --primary: #4f46e5;
  --primary-dark: #3730a3;
  --primary-light: #818cf8;
  --accent: #06b6d4;
  --accent-dark: #0891b2;

  --bg-primary: #fafaf9;
  --bg-secondary: #f5f5f0;
  --bg-dark: #0f0f1a;
  --bg-dark-secondary: #1a1a2e;
  --surface: #ffffff;
  --surface-elevated: #ffffff;

  --text-primary: #111111;
  --text-secondary: #444444;
  --text-muted: #777777;
  --text-inverse: #ffffff;

  --border: #e5e5e5;
  --border-light: #f0f0f0;

  --gradient-primary: linear-gradient(135deg, #4f46e5 0%, #06b6d4 100%);
  --gradient-dark: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 50%, #16213e 100%);
  --gradient-hero: linear-gradient(160deg, #f8f9ff 0%, #eef2ff 30%, #fafaf9 100%);

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.1), 0 4px 12px rgba(0,0,0,0.05);
  --shadow-xl: 0 24px 60px rgba(0,0,0,0.12), 0 8px 20px rgba(0,0,0,0.06);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 100px;

  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ========================================
   Reset & Base
   ======================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

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

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

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 0.938rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  font-family: var(--font-body);
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-inverse);
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(79, 70, 229, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(79, 70, 229, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: var(--text-inverse);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1rem;
}

.btn-white {
  background: var(--surface);
  color: var(--primary-dark);
  border-color: transparent;
  box-shadow: var(--shadow-md);
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline-white {
  background: transparent;
  color: var(--text-inverse);
  border-color: rgba(255,255,255,0.4);
}

.btn-outline-white:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.8);
  transform: translateY(-2px);
}

/* ========================================
   HEADER
   ======================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all var(--transition-base);
  background: rgba(250, 250, 249, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.site-header.scrolled {
  padding: 10px 0;
  background: rgba(250, 250, 249, 0.92);
  box-shadow: 0 1px 20px rgba(0,0,0,0.06);
}

.header-container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  color: white;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.logo-text {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

/* Navigation */
.main-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 8px 18px;
  font-size: 0.938rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-pill);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--primary);
  background: rgba(79, 70, 229, 0.06);
}

.nav-link.active {
  color: var(--primary);
  background: rgba(79, 70, 229, 0.08);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.hamburger:hover {
  background: rgba(79, 70, 229, 0.06);
}

.hamburger-line {
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
  transform-origin: center;
}

.hamburger.active .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active .hamburger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger.active .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ========================================
   FOOTER
   ======================================== */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.7);
  padding: 80px 0 0;
}

.footer-container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

/* Footer Brand */
.footer-brand {
  max-width: 320px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

.footer-logo .logo-icon {
  width: 38px;
  height: 38px;
  font-size: 1.1rem;
}

.footer-logo .logo-text {
  color: var(--text-inverse);
  font-size: 1.25rem;
}

.footer-description {
  font-size: 0.938rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.5);
  margin-bottom: 24px;
}

/* Social Links */
.social-links {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.6);
  transition: all var(--transition-base);
}

.social-link:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
}

/* Footer Link Groups */
.footer-heading {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-inverse);
  margin-bottom: 20px;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  font-size: 0.938rem;
  color: rgba(255,255,255,0.5);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.footer-links a:hover {
  color: var(--primary-light);
  transform: translateX(4px);
}

/* Footer Contact */
.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 14px;
}

.footer-contact svg {
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--primary-light);
}

/* Footer Bottom */
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copyright {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.35);
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.35);
  transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
  color: rgba(255,255,255,0.7);
}

/* ========================================
   MAIN CONTENT
   ======================================== */
.main-content {
  padding-top: 80px;
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
  position: relative;
  padding: 100px 0 80px;
  background: var(--gradient-hero);
  overflow: hidden;
}

.hero-bg-decoration {
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(79,70,229,0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease forwards;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  background: rgba(79, 70, 229, 0.08);
  color: var(--primary);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  margin-bottom: 24px;
  border: 1px solid rgba(79, 70, 229, 0.12);
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 24px;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease 0.15s forwards;
}

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

.hero-subtitle {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 36px;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease 0.3s forwards;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease 0.45s forwards;
}

/* Hero Visual Cards */
.hero-visual {
  display: flex;
  flex-direction: column;
  gap: 20px;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease 0.5s forwards;
}

.hero-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
  transition: all var(--transition-base);
}

.hero-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.hero-card:nth-child(2) {
  margin-left: 40px;
}

.hero-card:nth-child(3) {
  margin-left: 20px;
}

.card-icon {
  width: 56px;
  height: 56px;
  background: rgba(79, 70, 229, 0.08);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 16px;
}

.hero-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.hero-card p {
  font-size: 0.938rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ========================================
   STATS SECTION
   ======================================== */
.stats-section {
  padding: 60px 0;
  background: var(--surface);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.stats-container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.stat-item {
  text-align: center;
  padding: 20px;
}

.stat-number {
  font-size: 3rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-suffix {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.938rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 4px;
}

/* ========================================
   SECTION COMMON
   ======================================== */
.section-container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 32px;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 60px;
}

.section-tag {
  display: inline-flex;
  padding: 6px 16px;
  background: rgba(79, 70, 229, 0.08);
  color: var(--primary);
  font-size: 0.813rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.section-subtitle {
  font-size: 1.063rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* ========================================
   ABOUT SECTION
   ======================================== */
.about-section {
  padding: 100px 0;
  background: var(--bg-primary);
}

/* ========================================
   SERVICES SECTION
   ======================================== */
.services-section {
  padding: 100px 0;
  background: var(--bg-secondary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 36px;
  border: 1px solid var(--border-light);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 64px;
  height: 64px;
  background: rgba(79, 70, 229, 0.08);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 20px;
  transition: all var(--transition-base);
}

.service-card:hover .service-icon {
  background: var(--gradient-primary);
  color: white;
}

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.service-card p {
  font-size: 0.938rem;
  line-height: 1.7;
  color: var(--text-muted);
}

/* ========================================
   CTA SECTION
   ======================================== */
.cta-section {
  padding: 100px 0;
  background: var(--gradient-dark);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -100px;
  left: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(79,70,229,0.2) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-section::after {
  content: '';
  position: absolute;
  bottom: -150px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(6,182,212,0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
  z-index: 1;
}

.cta-content {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.cta-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-inverse);
  margin-bottom: 20px;
  line-height: 1.15;
}

.cta-subtitle {
  font-size: 1.063rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.6);
  margin-bottom: 36px;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ========================================
   BLOG SECTION
   ======================================== */
.blog-section {
  padding: 100px 0;
  background: var(--bg-primary);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.blog-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.blog-card-image {
  height: 200px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.blog-card-image-inner {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.blog-card-pattern {
  opacity: 0.6;
  transition: all var(--transition-slow);
}

.blog-card:hover .blog-card-pattern {
  transform: scale(1.1) rotate(15deg);
  opacity: 0.9;
}

.blog-card-category {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 6px 14px;
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-radius: var(--radius-pill);
}

.blog-card-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.blog-card-date,
.blog-card-read-time {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.813rem;
  color: var(--text-muted);
  font-weight: 500;
}

.blog-card-date svg,
.blog-card-read-time svg {
  color: var(--text-muted);
}

.blog-card-title {
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
  transition: color var(--transition-fast);
}

.blog-card:hover .blog-card-title {
  color: var(--primary);
}

.blog-card-excerpt {
  font-size: 0.938rem;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 24px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 20px;
  border-top: 1px solid var(--border-light);
}

.blog-card-author {
  display: flex;
  align-items: center;
  gap: 10px;
}

.author-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.8rem;
  font-weight: 700;
}

.author-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.blog-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.blog-card-link:hover {
  gap: 10px;
}

.blog-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
  font-size: 1.063rem;
}

/* Blog Responsive */
@media (max-width: 1024px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .blog-section {
    padding: 70px 0;
  }

  .blog-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .blog-card-image {
    height: 160px;
  }

  .blog-card-body {
    padding: 24px;
  }
}

/* ========================================
   BLOG SECTION
   ======================================== */
.blog-section {
  padding: 100px 0;
  background: var(--bg-primary);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.blog-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.blog-card-image {
  height: 200px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.blog-card-image-inner {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.blog-card-pattern {
  opacity: 0.6;
  transition: all var(--transition-slow);
}

.blog-card:hover .blog-card-pattern {
  transform: scale(1.1) rotate(15deg);
  opacity: 0.9;
}

.blog-card-category {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 6px 14px;
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-radius: var(--radius-pill);
}

.blog-card-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.blog-card-date,
.blog-card-read-time {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.813rem;
  color: var(--text-muted);
  font-weight: 500;
}

.blog-card-date svg,
.blog-card-read-time svg {
  color: var(--text-muted);
}

.blog-card-title {
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
  transition: color var(--transition-fast);
}

.blog-card:hover .blog-card-title {
  color: var(--primary);
}

.blog-card-excerpt {
  font-size: 0.938rem;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 24px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 20px;
  border-top: 1px solid var(--border-light);
}

.blog-card-author {
  display: flex;
  align-items: center;
  gap: 10px;
}

.author-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.8rem;
  font-weight: 700;
}

.author-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.blog-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.blog-card-link:hover {
  gap: 10px;
}

.blog-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
  font-size: 1.063rem;
}

/* Blog Responsive */
@media (max-width: 1024px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .blog-section {
    padding: 70px 0;
  }

  .blog-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .blog-card-image {
    height: 160px;
  }

  .blog-card-body {
    padding: 24px;
  }
}

/* ========================================
   BLOG PAGE HERO
   ======================================== */
.blog-page-hero {
  position: relative;
  padding: 120px 0 80px;
  background: var(--gradient-hero);
  overflow: hidden;
}

.blog-page-hero-bg {
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(79,70,229,0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.blog-page-hero-content {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.blog-page-title {
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.blog-page-subtitle {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.blog-page-stats {
  display: inline-flex;
  align-items: center;
  gap: 32px;
  padding: 20px 40px;
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
}

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

.blog-stat-number {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.blog-stat-label {
  font-size: 0.813rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.blog-stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

.blog-archive-section {
  padding-top: 60px;
}

.blog-card-image-link {
  display: block;
  text-decoration: none;
}

.blog-card-title a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.blog-card-title a:hover {
  color: var(--primary);
}

/* ========================================
   ARTICLE / SINGLE POST PAGE
   ======================================== */
.article-hero {
  position: relative;
  padding: 120px 0 60px;
  background: var(--gradient-hero);
  overflow: hidden;
}

.article-hero-bg {
  position: absolute;
  top: -150px;
  right: -150px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(79,70,229,0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.article-back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.938rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 32px;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.article-back-link:hover {
  color: var(--primary);
  gap: 12px;
}

.article-hero-content {
  max-width: 780px;
}

.article-category {
  display: inline-block;
  padding: 6px 16px;
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
}

.article-title {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.article-excerpt {
  font-size: 1.188rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.article-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.article-author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.1rem;
  font-weight: 700;
}

.article-author-info {
  display: flex;
  flex-direction: column;
}

.article-author-name {
  font-size: 0.938rem;
  font-weight: 700;
  color: var(--text-primary);
}

.article-date {
  font-size: 0.813rem;
  color: var(--text-muted);
  font-weight: 500;
}

.article-read-time {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Article Body */
.article-body-section {
  padding: 60px 0 80px;
  background: var(--bg-primary);
}

.article-container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 32px;
}

.article-content {
  font-size: 1.125rem;
  line-height: 1.85;
  color: var(--text-secondary);
}

.article-content p {
  margin-bottom: 28px;
}

.article-content p:first-child::first-letter {
  font-size: 3.5rem;
  font-weight: 800;
  float: left;
  line-height: 1;
  margin-right: 12px;
  margin-top: 4px;
  color: var(--primary);
}

.article-pullquote {
  font-size: 1.375rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-primary);
  border-left: 4px solid var(--primary);
  padding: 20px 0 20px 28px;
  margin: 40px 0;
  font-style: italic;
}

/* Article Footer */
.article-footer-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.article-tags {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.article-tags-label {
  font-size: 0.813rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.article-tag {
  padding: 6px 14px;
  background: rgba(79, 70, 229, 0.08);
  color: var(--primary);
  font-size: 0.813rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
}

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

.article-share-label {
  font-size: 0.813rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.share-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(79, 70, 229, 0.08);
  color: var(--primary);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.share-btn:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

/* Related Posts */
.related-posts-section {
  padding: 80px 0;
  background: var(--bg-secondary);
}

/* 404 Post Not Found */
.post-not-found {
  padding: 160px 0;
  text-align: center;
}

.not-found-content {
  max-width: 480px;
  margin: 0 auto;
}

.not-found-icon {
  display: inline-flex;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.not-found-content h1 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.not-found-content p {
  font-size: 1.063rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  line-height: 1.7;
}

/* Article Responsive */
@media (max-width: 768px) {
  .article-hero {
    padding: 100px 0 40px;
  }

  .article-container {
    padding: 0 20px;
  }

  .article-content {
    font-size: 1rem;
  }

  .article-pullquote {
    font-size: 1.125rem;
    padding-left: 20px;
  }

  .article-meta {
    flex-direction: column;
    align-items: flex-start;
  }

  .article-footer-section {
    flex-direction: column;
    align-items: flex-start;
  }

  .blog-page-stats {
    gap: 20px;
    padding: 16px 28px;
  }

  .blog-stat-number {
    font-size: 1.375rem;
  }
}

/* ========================================
   BLOG PAGE HERO
   ======================================== */
.blog-page-hero {
  position: relative;
  padding: 120px 0 80px;
  background: var(--gradient-hero);
  overflow: hidden;
}

.blog-page-hero-bg {
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(79,70,229,0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.blog-page-hero-content {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.blog-page-title {
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.blog-page-subtitle {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.blog-page-stats {
  display: inline-flex;
  align-items: center;
  gap: 32px;
  padding: 20px 40px;
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
}

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

.blog-stat-number {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.blog-stat-label {
  font-size: 0.813rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.blog-stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

.blog-archive-section {
  padding-top: 60px;
}

.blog-card-image-link {
  display: block;
  text-decoration: none;
}

.blog-card-title a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.blog-card-title a:hover {
  color: var(--primary);
}

/* ========================================
   ARTICLE / SINGLE POST PAGE
   ======================================== */
.article-hero {
  position: relative;
  padding: 120px 0 60px;
  background: var(--gradient-hero);
  overflow: hidden;
}

.article-hero-bg {
  position: absolute;
  top: -150px;
  right: -150px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(79,70,229,0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.article-back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.938rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 32px;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.article-back-link:hover {
  color: var(--primary);
  gap: 12px;
}

.article-hero-content {
  max-width: 780px;
}

.article-category {
  display: inline-block;
  padding: 6px 16px;
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
}

.article-title {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.article-excerpt {
  font-size: 1.188rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.article-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.article-author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.1rem;
  font-weight: 700;
}

.article-author-info {
  display: flex;
  flex-direction: column;
}

.article-author-name {
  font-size: 0.938rem;
  font-weight: 700;
  color: var(--text-primary);
}

.article-date {
  font-size: 0.813rem;
  color: var(--text-muted);
  font-weight: 500;
}

.article-read-time {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Article Body */
.article-body-section {
  padding: 60px 0 80px;
  background: var(--bg-primary);
}

.article-container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 32px;
}

.article-content {
  font-size: 1.125rem;
  line-height: 1.85;
  color: var(--text-secondary);
}

.article-content p {
  margin-bottom: 28px;
}

.article-content p:first-child::first-letter {
  font-size: 3.5rem;
  font-weight: 800;
  float: left;
  line-height: 1;
  margin-right: 12px;
  margin-top: 4px;
  color: var(--primary);
}

.article-pullquote {
  font-size: 1.375rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-primary);
  border-left: 4px solid var(--primary);
  padding: 20px 0 20px 28px;
  margin: 40px 0;
  font-style: italic;
}

/* Article Footer */
.article-footer-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.article-tags {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.article-tags-label {
  font-size: 0.813rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.article-tag {
  padding: 6px 14px;
  background: rgba(79, 70, 229, 0.08);
  color: var(--primary);
  font-size: 0.813rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
}

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

.article-share-label {
  font-size: 0.813rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.share-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(79, 70, 229, 0.08);
  color: var(--primary);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.share-btn:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

/* Related Posts */
.related-posts-section {
  padding: 80px 0;
  background: var(--bg-secondary);
}

/* 404 Post Not Found */
.post-not-found {
  padding: 160px 0;
  text-align: center;
}

.not-found-content {
  max-width: 480px;
  margin: 0 auto;
}

.not-found-icon {
  display: inline-flex;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.not-found-content h1 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.not-found-content p {
  font-size: 1.063rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  line-height: 1.7;
}

/* Article Responsive */
@media (max-width: 768px) {
  .article-hero {
    padding: 100px 0 40px;
  }

  .article-container {
    padding: 0 20px;
  }

  .article-content {
    font-size: 1rem;
  }

  .article-pullquote {
    font-size: 1.125rem;
    padding-left: 20px;
  }

  .article-meta {
    flex-direction: column;
    align-items: flex-start;
  }

  .article-footer-section {
    flex-direction: column;
    align-items: flex-start;
  }

  .blog-page-stats {
    gap: 20px;
    padding: 16px 28px;
  }

  .blog-stat-number {
    font-size: 1.375rem;
  }
}

/* ========================================
   ANIMATIONS
   ======================================== */
@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   RESPONSIVE — Tablet
   ======================================== */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-visual {
    max-width: 500px;
    margin: 0 auto;
  }

  .hero-card:nth-child(2),
  .hero-card:nth-child(3) {
    margin-left: 0;
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .footer-brand {
    grid-column: 1 / -1;
    max-width: 100%;
  }

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

/* ========================================
   RESPONSIVE — Mobile
   ======================================== */
@media (max-width: 768px) {
  .header-container {
    padding: 0 20px;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 360px;
    height: 100vh;
    background: var(--surface);
    box-shadow: var(--shadow-xl);
    padding: 100px 32px 40px;
    transition: right var(--transition-base);
    z-index: 999;
  }

  .main-nav.open {
    right: 0;
  }

  .nav-list {
    flex-direction: column;
    gap: 8px;
    align-items: stretch;
  }

  .nav-link {
    padding: 14px 20px;
    font-size: 1.063rem;
    border-radius: var(--radius-md);
  }

  .hamburger {
    display: flex;
    z-index: 1001;
  }

  .header-actions .btn {
    display: none;
  }

  .hero {
    padding: 60px 0;
  }

  .hero-container {
    padding: 0 20px;
  }

  .hero-title {
    font-size: 2.25rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  .stats-container {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    padding: 0 20px;
  }

  .stat-number {
    font-size: 2.25rem;
  }

  .section-container {
    padding: 0 20px;
  }

  .about-section,
  .services-section,
  .cta-section {
    padding: 70px 0;
  }

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

  .service-card {
    padding: 28px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .footer-container {
    padding: 0 20px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .footer-bottom-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .cta-buttons .btn {
    width: 100%;
    max-width: 300px;
  }
}

/* Mobile nav overlay */
.nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.4);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.nav-overlay.active {
  opacity: 1;
  visibility: visible;
}