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

:root {
  --dark: #060B18;
  --dark-surface: #0C1222;
  --dark-border: rgba(255,255,255,0.06);
  --navy: #0F1B33;
  --accent: #3B82F6;
  --accent-hover: #2563EB;
  --accent-glow: rgba(59, 130, 246, 0.12);
  --accent-muted: rgba(59, 130, 246, 0.08);
  --white: #FFFFFF;
  --bg: #FAFBFC;
  --surface: #F4F5F7;
  --border: #E8EAED;
  --border-light: #F0F1F3;
  --text-primary: #111827;
  --text-secondary: #6B7280;
  --text-tertiary: #9CA3AF;
  --radius: 6px;
  --radius-lg: 10px;
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-primary);
  line-height: 1.6;
  background: var(--white);
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

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

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 32px;
}

section {
  padding: 96px 0;
}

.section-label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: -0.025em;
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 520px;
  line-height: 1.7;
  font-weight: 400;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 24px;
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: var(--radius);
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  font-family: inherit;
  letter-spacing: -0.01em;
}

.btn-primary {
  background: var(--text-primary);
  color: var(--white);
}

.btn-primary:hover {
  background: #1F2937;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.2);
}

.btn-secondary:hover {
  border-color: rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.04);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--text-primary);
}

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

nav.scrolled {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 1px 0 var(--border);
  padding: 14px 0;
}

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

.nav-logo {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.03em;
  transition: color var(--transition);
}

.nav-logo span {
  color: var(--accent);
}

nav.scrolled .nav-logo {
  color: var(--text-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-links a {
  font-size: 0.8125rem;
  font-weight: 500;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
  letter-spacing: -0.01em;
}

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

nav.scrolled .nav-links a {
  color: var(--text-secondary);
}

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

.nav-cta {
  padding: 9px 20px !important;
  font-size: 0.75rem !important;
  background: var(--accent) !important;
  color: var(--white) !important;
  border-radius: 5px !important;
  font-weight: 600 !important;
  letter-spacing: 0 !important;
}

.nav-cta:hover {
  background: var(--accent-hover) !important;
  color: var(--white) !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.hamburger span {
  width: 22px;
  height: 1.5px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}

nav.scrolled .hamburger span {
  background: var(--text-primary);
}

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--dark);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 30% 50%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 30% 50%, black, transparent);
}

.hero::after {
  content: '';
  position: absolute;
  top: 20%;
  left: 50%;
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(59,130,246,0.06) 0%, transparent 60%);
  transform: translateX(-30%);
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 700px;
  padding-top: 64px;
}

.hero h1 {
  font-size: 3.75rem;
  font-weight: 800;
  line-height: 1.05;
  color: var(--white);
  margin-bottom: 28px;
  letter-spacing: -0.035em;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--accent) 0%, #60A5FA 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.125rem;
  line-height: 1.75;
  color: rgba(255,255,255,0.5);
  margin-bottom: 44px;
  max-width: 500px;
  font-weight: 400;
}

.hero-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-buttons .btn-primary {
  padding: 13px 28px;
  font-size: 0.875rem;
}

.hero-stats {
  display: flex;
  gap: 56px;
  margin-top: 80px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.hero-stat {
  text-align: left;
}

.hero-stat .number {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}

.hero-stat .label {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.35);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.page-hero {
  position: relative;
  padding: 160px 0 80px;
  background: var(--dark);
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 60% 60% at 30% 50%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 60% 60% at 30% 50%, black, transparent);
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  font-size: 3rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.page-hero p {
  font-size: 1.0625rem;
  color: rgba(255,255,255,0.45);
  max-width: 520px;
  line-height: 1.75;
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  margin-top: 56px;
}

.service-column h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}

.service-column .column-subtitle {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.65;
}

.service-card {
  padding: 24px 0;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 0;
  transition: all var(--transition);
}

.service-card:last-child {
  border-bottom: none;
}

.service-card:hover {
  padding-left: 16px;
}

.service-card h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.service-card p {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.why-section {
  background: var(--bg);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 56px;
  background: var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.why-card {
  padding: 40px 36px;
  background: var(--white);
  transition: all var(--transition);
}

.why-card:hover {
  background: var(--bg);
}

.why-card h3 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.why-card p {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.cta-section {
  background: var(--dark);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 50% 50% at 50% 50%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 50% 50% at 50% 50%, black, transparent);
}

.cta-section .container {
  position: relative;
  z-index: 1;
}

.cta-section .section-title {
  color: var(--white);
}

.cta-section .section-subtitle {
  color: rgba(255,255,255,0.45);
  margin: 0 auto 40px;
}

.cta-section .btn-primary {
  background: var(--accent);
  color: var(--white);
}

.cta-section .btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.25);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.about-text h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.about-text p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
}

.about-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.value-card {
  padding: 28px 24px;
  background: var(--white);
}

.value-card h3 {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

.value-card p {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.certs-section {
  background: var(--bg);
}

.certs-grid {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.cert-badge {
  padding: 12px 20px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.8125rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: -0.01em;
}

.cert-badge .dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-info h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.contact-info > p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 36px;
}

.contact-detail {
  display: flex;
  gap: 0;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-light);
}

.contact-detail:last-child {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 0;
}

.contact-detail h4 {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-tertiary);
  margin-bottom: 3px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.contact-detail p {
  font-size: 0.9375rem;
  color: var(--text-primary);
  font-weight: 500;
}

.contact-form {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.contact-form h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 28px;
  letter-spacing: -0.02em;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-family: inherit;
  color: var(--text-primary);
  background: var(--white);
  transition: all var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

footer {
  background: var(--dark);
  padding: 64px 0 32px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: start;
  margin-bottom: 56px;
}

.footer-brand .nav-logo {
  margin-bottom: 12px;
  display: inline-block;
}

.footer-brand p {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.3);
  max-width: 260px;
  line-height: 1.6;
}

.footer-links {
  display: flex;
  gap: 72px;
}

.footer-links h4 {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.25);
  margin-bottom: 16px;
}

.footer-links a {
  display: block;
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.45);
  padding: 3px 0;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: rgba(255,255,255,0.9);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.2);
}

.partners-section {
  background: var(--white);
  text-align: center;
}

.partners-section .section-subtitle {
  margin: 0 auto 48px;
}

.partners-grid {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.partner-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 32px 56px;
  background: var(--bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  min-width: 200px;
  transition: all var(--transition);
}

.partner-logo:hover {
  border-color: var(--border);
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.partner-name {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.partner-status {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 32px;
  margin-top: 56px;
}

.team-card {
  padding: 32px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

.team-card:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 16px rgba(59, 130, 246, 0.08);
}

.team-avatar {
  width: 56px;
  height: 56px;
  background: var(--dark);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.team-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
  letter-spacing: -0.02em;
}

.team-role {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 14px;
  letter-spacing: 0.02em;
}

.team-bio {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 56px;
  background: var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.article-card {
  padding: 32px;
  background: var(--white);
  transition: all var(--transition);
}

.article-card:hover {
  background: var(--bg);
}

.article-tag {
  display: inline-block;
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-tertiary);
  margin-bottom: 16px;
}

.article-card h3 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.article-card p {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.article-body {
  padding: 64px 0 96px;
  background: var(--bg);
}

.article-container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 32px;
  width: 100%;
  box-sizing: border-box;
}

.article-container * {
  max-width: 100%;
  box-sizing: border-box;
}

.article-back {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: rgba(255,255,255,0.45);
  margin-bottom: 32px;
  letter-spacing: 0.02em;
  transition: color var(--transition);
}

.article-back:hover {
  color: rgba(255,255,255,0.8);
}

.article-header-meta {
  display: flex;
  gap: 32px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.article-header-detail {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.6);
  font-weight: 500;
}

.article-header-label {
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.3);
}

.article-meta {
  display: none;
}

.article-date,
.article-reading-time {
  display: none;
}

.article-lead {
  font-size: 1.25rem;
  line-height: 1.8;
  color: var(--text-primary);
  margin-bottom: 24px;
  font-weight: 500;
  margin-top: 64px;
}

.article-divider {
  width: 48px;
  height: 1px;
  background: var(--border);
  margin: 56px 0;
}

.article-body h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 20px;
  letter-spacing: -0.025em;
  line-height: 1.25;
}

.article-body p {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.article-body ul,
.article-body ol {
  margin-bottom: 24px;
  padding-left: 24px;
}

.article-body ul {
  list-style: none;
  padding-left: 0;
}

.article-body ul li {
  position: relative;
  padding-left: 20px;
}

.article-body ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 1px;
  background: var(--text-tertiary);
}

.article-body ol {
  list-style: none;
  counter-reset: article-ol;
  padding-left: 0;
}

.article-body ol li {
  position: relative;
  padding-left: 28px;
  counter-increment: article-ol;
}

.article-body ol li::before {
  content: counter(article-ol);
  position: absolute;
  left: 0;
  top: 1px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
}

.article-body li {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.article-body strong {
  color: var(--text-primary);
  font-weight: 600;
}

.article-body em {
  font-style: italic;
}

.article-body code {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.8125rem;
  background: var(--surface);
  padding: 2px 6px;
  border-radius: 3px;
  color: var(--text-primary);
}

.article-body a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.article-body a:hover {
  color: var(--accent-hover);
}

.table-wrapper {
  overflow-x: auto;
  margin: 32px 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  max-width: 100%;
}

.article-body table {
  width: 100%;
  max-width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.article-body thead th {
  text-align: left;
  font-weight: 600;
  color: var(--text-tertiary);
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: var(--surface);
}

.article-body tbody td {
  padding: 12px 20px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-secondary);
}

.article-body tbody tr:last-child td {
  border-bottom: none;
}

.article-body tbody tr:hover {
  background: var(--surface);
}

.table-total td {
  font-weight: 600;
  color: var(--text-primary);
  border-top: 1px solid var(--border);
}

.table-highlight td {
  background: rgba(59, 130, 246, 0.04);
}

.table-highlight:hover td {
  background: rgba(59, 130, 246, 0.06) !important;
}

.article-pullquote {
  margin: 40px 0;
  padding: 28px 0 28px 28px;
  border-left: 2px solid var(--accent);
  background: linear-gradient(90deg, rgba(59,130,246,0.03) 0%, transparent 100%);
}

.article-pullquote p {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--text-primary);
  font-weight: 500;
  margin-bottom: 0;
  font-style: italic;
}

.tier-card {
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin: 20px 0;
  background: var(--white);
}

.tier-1 {
  border-left: 3px solid #DC2626;
}

.tier-2 {
  border-left: 3px solid #F59E0B;
}

.tier-label {
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 4px;
}

.tier-1 .tier-label {
  color: #DC2626;
}

.tier-2 .tier-label {
  color: #F59E0B;
}

.tier-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.tier-card p {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 0;
}

.caas-tier-card {
  padding: 24px 28px;
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  margin: 16px 0;
  background: var(--white);
}

.caas-tier-label {
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 4px;
}

.caas-tier-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.caas-tier-card p {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 0;
}

.articles-list {
  max-width: 720px;
  margin: 0 auto;
}

.articles-list-item {
  display: block;
  padding: 32px 0;
  border-bottom: 1px solid var(--border-light);
  transition: all var(--transition);
}

.articles-list-item:first-child {
  padding-top: 0;
}

.articles-list-item:last-child {
  border-bottom: none;
}

.articles-list-item:hover {
  padding-left: 16px;
}

.articles-list-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.articles-list-tag {
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.articles-list-date {
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--text-tertiary);
}

.articles-list-item h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.articles-list-item p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.recommendation {
  display: flex;
  gap: 20px;
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin: 16px 0;
}

.rec-number {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  min-width: 36px;
  letter-spacing: -0.02em;
}

.rec-content h3 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.rec-content p {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 0;
}

.article-cta {
  margin-top: 64px;
  padding: 36px;
  background: var(--dark);
  border-radius: var(--radius-lg);
}

.article-cta p {
  color: rgba(255,255,255,0.6);
  font-size: 0.9375rem;
  margin-bottom: 0;
  line-height: 1.7;
}

.article-cta a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.article-cta a:hover {
  color: #60A5FA;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--dark);
  z-index: 999;
  padding: 80px 32px 32px;
  flex-direction: column;
  gap: 0;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu a {
  font-size: 1.125rem;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  padding: 16px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: color var(--transition);
}

.mobile-menu a:hover {
  color: var(--white);
}

@media (max-width: 1024px) {
  .hero h1 {
    font-size: 3rem;
  }

  .services-grid {
    grid-template-columns: 1fr;
    gap: 56px;
  }

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

  .about-content {
    grid-template-columns: 1fr;
    gap: 56px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 56px;
  }
}

@media (max-width: 768px) {
  section {
    padding: 64px 0;
  }

  .container {
    padding: 0 20px;
  }

  .nav-links {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .hero {
    min-height: auto;
    padding: 140px 0 80px;
  }

  .hero h1 {
    font-size: 2.25rem;
  }

  .hero p {
    font-size: 0.9375rem;
  }

  .hero-stats {
    gap: 32px;
    flex-wrap: wrap;
    margin-top: 48px;
  }

  .hero-stat .number {
    font-size: 1.25rem;
  }

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

  .about-values {
    grid-template-columns: 1fr;
  }

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

  .partners-grid {
    gap: 12px;
  }

  .partner-logo {
    padding: 24px 36px;
    min-width: 140px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-content {
    flex-direction: column;
    gap: 32px;
  }

  .footer-links {
    gap: 48px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
  }

  .page-hero {
    padding: 140px 0 64px;
  }

  .page-hero h1 {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .article-header-meta {
    flex-direction: column;
    gap: 16px;
  }

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

  .article-lead {
    margin-top: 48px;
    font-size: 1.0625rem;
  }

  .article-body h2 {
    font-size: 1.25rem;
  }

  .recommendation {
    flex-direction: column;
    gap: 12px;
  }
}