:root {
  --elevchien-primary: #2d6a4f;
  --elevchien-primary-dark: #1b4332;
  --elevchien-primary-light: #95d5b2;
  --elevchien-primary-xlight: #d8f3dc;
  --elevchien-accent: #a68a64;
  --elevchien-accent-light: #d4c5a9;
  --elevchien-white: #ffffff;
  --elevchien-off-white: #faf8f5;
  --elevchien-cream: #f5f0e8;
  --elevchien-gray-50: #fafaf9;
  --elevchien-gray-100: #f5f5f4;
  --elevchien-gray-200: #e7e5e4;
  --elevchien-gray-300: #d6d3d1;
  --elevchien-gray-400: #a8a29e;
  --elevchien-gray-500: #78716c;
  --elevchien-gray-600: #57534e;
  --elevchien-gray-700: #44403c;
  --elevchien-gray-800: #292524;
  --elevchien-gray-900: #1c1917;
  --elevchien-font-heading: 'Nunito', 'Segoe UI', sans-serif;
  --elevchien-font-body: 'Merriweather', Georgia, serif;
  --elevchien-shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
  --elevchien-shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --elevchien-shadow-md: 0 4px 20px rgba(0,0,0,0.08);
  --elevchien-shadow-lg: 0 12px 40px rgba(0,0,0,0.10);
  --elevchien-shadow-xl: 0 20px 60px rgba(0,0,0,0.14);
  --elevchien-radius-sm: 6px;
  --elevchien-radius: 10px;
  --elevchien-radius-lg: 18px;
  --elevchien-radius-xl: 24px;
  --elevchien-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --elevchien-transition-fast: 0.18s ease;
}

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

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

body {
  font-family: var(--elevchien-font-body);
  color: var(--elevchien-gray-800);
  background: var(--elevchien-off-white);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

h1, h2, h3, h4, h5 {
  font-family: var(--elevchien-font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: var(--elevchien-gray-900);
}

.elevchien-wrap {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ================================================================
   HEADER
   ================================================================ */

.elevchien-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(250,248,245,0.97);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--elevchien-gray-200);
  transition: box-shadow var(--elevchien-transition);
}

.elevchien-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.elevchien-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--elevchien-font-heading);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--elevchien-primary);
}

.elevchien-logo-icon {
  font-size: 1.5rem;
}

.elevchien-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.elevchien-nav a {
  font-family: var(--elevchien-font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--elevchien-gray-700);
  position: relative;
  padding: 4px 0;
}

.elevchien-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--elevchien-primary);
  border-radius: 2px;
  transition: width var(--elevchien-transition);
}

.elevchien-nav a:hover::after {
  width: 100%;
}

.elevchien-nav a:hover {
  color: var(--elevchien-primary);
}

.elevchien-burger-check {
  display: none;
}

.elevchien-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

.elevchien-burger span {
  width: 24px;
  height: 2px;
  background: var(--elevchien-gray-700);
  border-radius: 2px;
  transition: var(--elevchien-transition);
}

/* ================================================================
   HERO
   ================================================================ */

.elevchien-hero {
  position: relative;
  background: linear-gradient(145deg, var(--elevchien-primary-dark) 0%, var(--elevchien-primary) 55%, #40916c 100%);
  padding: 110px 0 100px;
  overflow: hidden;
  min-height: 520px;
  display: flex;
  align-items: center;
}

.elevchien-hero-shapes {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 80%, rgba(149,213,178,0.15) 0%, transparent 50%),
              radial-gradient(circle at 80% 20%, rgba(166,138,100,0.1) 0%, transparent 40%);
  pointer-events: none;
}

.elevchien-hero-fade {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to top, var(--elevchien-off-white), transparent);
  pointer-events: none;
}

.elevchien-hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
}

.elevchien-hero-label {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  color: var(--elevchien-primary-xlight);
  font-family: var(--elevchien-font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 20px;
  backdrop-filter: blur(4px);
}

.elevchien-hero h1 {
  font-size: 3rem;
  font-weight: 800;
  color: var(--elevchien-white);
  margin-bottom: 18px;
  letter-spacing: -0.02em;
}

.elevchien-hero-text {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.88);
  line-height: 1.7;
  margin-bottom: 32px;
}

/* ================================================================
   BUTTONS
   ================================================================ */

.elevchien-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--elevchien-font-heading);
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 32px;
  border-radius: 50px;
  cursor: pointer;
  transition: all var(--elevchien-transition);
  border: none;
  text-align: center;
}

.elevchien-btn-light {
  background: var(--elevchien-white);
  color: var(--elevchien-primary-dark);
  box-shadow: var(--elevchien-shadow-md);
}

.elevchien-btn-light:hover {
  background: var(--elevchien-cream);
  transform: translateY(-2px);
  box-shadow: var(--elevchien-shadow-lg);
}

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

.elevchien-btn-primary:hover {
  background: var(--elevchien-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--elevchien-shadow-lg);
}

/* ================================================================
   TRUST BAR
   ================================================================ */

.elevchien-trust {
  padding: 40px 0;
  background: var(--elevchien-white);
  border-bottom: 1px solid var(--elevchien-gray-100);
}

.elevchien-trust-row {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.elevchien-trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--elevchien-font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--elevchien-gray-700);
}

.elevchien-trust-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--elevchien-primary-xlight);
  color: var(--elevchien-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

/* ================================================================
   SECTION TOP
   ================================================================ */

.elevchien-section-top {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.elevchien-section-tag {
  display: inline-block;
  font-family: var(--elevchien-font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--elevchien-primary);
  background: var(--elevchien-primary-xlight);
  padding: 5px 14px;
  border-radius: 50px;
  margin-bottom: 14px;
}

.elevchien-section-top h2 {
  font-size: 2.2rem;
  margin-bottom: 12px;
  color: var(--elevchien-gray-900);
}

.elevchien-section-top p {
  font-size: 1.05rem;
  color: var(--elevchien-gray-500);
}

/* ================================================================
   SERVICES
   ================================================================ */

.elevchien-services {
  padding: 80px 0;
  background: var(--elevchien-white);
}

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

.elevchien-svc {
  background: var(--elevchien-off-white);
  border: 1px solid var(--elevchien-gray-200);
  border-radius: var(--elevchien-radius-lg);
  padding: 36px 28px;
  transition: all var(--elevchien-transition);
}

.elevchien-svc:hover {
  transform: translateY(-4px);
  box-shadow: var(--elevchien-shadow-md);
  border-color: var(--elevchien-primary-light);
}

.elevchien-svc-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.elevchien-svc h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  color: var(--elevchien-primary-dark);
}

.elevchien-svc p {
  font-size: 0.92rem;
  color: var(--elevchien-gray-600);
  line-height: 1.65;
}

/* ================================================================
   ARTICLES GRID
   ================================================================ */

.elevchien-articles {
  padding: 80px 0;
  background: var(--elevchien-cream);
}

.elevchien-articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.elevchien-card {
  background: var(--elevchien-white);
  border-radius: var(--elevchien-radius-lg);
  overflow: hidden;
  box-shadow: var(--elevchien-shadow-sm);
  transition: all var(--elevchien-transition);
  border: 1px solid var(--elevchien-gray-100);
}

.elevchien-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--elevchien-shadow-lg);
}

.elevchien-card-img {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
}

.elevchien-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.elevchien-card:hover .elevchien-card-img img {
  transform: scale(1.06);
}

.elevchien-card-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--elevchien-primary);
  color: var(--elevchien-white);
  font-family: var(--elevchien-font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

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

.elevchien-card-date {
  font-family: var(--elevchien-font-heading);
  font-size: 0.8rem;
  color: var(--elevchien-gray-400);
  font-weight: 600;
}

.elevchien-card-body h3 {
  font-size: 1.15rem;
  margin: 8px 0 10px;
  line-height: 1.35;
}

.elevchien-card-body h3 a:hover {
  color: var(--elevchien-primary);
}

.elevchien-card-excerpt {
  font-size: 0.9rem;
  color: var(--elevchien-gray-500);
  line-height: 1.6;
  margin-bottom: 14px;
}

.elevchien-more {
  font-family: var(--elevchien-font-heading);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--elevchien-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--elevchien-transition);
}

.elevchien-more::after {
  content: '\2192';
}

.elevchien-more:hover {
  gap: 10px;
  color: var(--elevchien-primary-dark);
}

/* ================================================================
   CTA
   ================================================================ */

.elevchien-cta {
  padding: 80px 0;
  background: linear-gradient(145deg, var(--elevchien-primary-dark), var(--elevchien-primary));
  text-align: center;
}

.elevchien-cta h2 {
  font-size: 2.2rem;
  color: var(--elevchien-white);
  margin-bottom: 14px;
}

.elevchien-cta p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 30px;
}

/* ================================================================
   ARTICLE SINGLE
   ================================================================ */

.elevchien-article {
  padding: 40px 0 80px;
  background: var(--elevchien-off-white);
}

.elevchien-article-wrap {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

.elevchien-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--elevchien-font-heading);
  font-size: 0.85rem;
  color: var(--elevchien-gray-400);
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.elevchien-breadcrumb a {
  color: var(--elevchien-primary);
}

.elevchien-breadcrumb a:hover {
  text-decoration: underline;
}

.elevchien-article-header {
  margin-bottom: 32px;
}

.elevchien-article-header h1 {
  font-size: 2.4rem;
  margin-bottom: 16px;
  line-height: 1.2;
}

.elevchien-article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--elevchien-font-heading);
  font-size: 0.88rem;
  color: var(--elevchien-gray-400);
}

.elevchien-meta-sep {
  color: var(--elevchien-gray-300);
}

.elevchien-article-cover {
  margin-bottom: 40px;
  border-radius: var(--elevchien-radius-lg);
  overflow: hidden;
  box-shadow: var(--elevchien-shadow-md);
}

.elevchien-article-cover img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.elevchien-article-body {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--elevchien-gray-700);
}

.elevchien-article-body h2 {
  font-size: 1.7rem;
  margin: 40px 0 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--elevchien-primary-xlight);
}

.elevchien-article-body h3 {
  font-size: 1.3rem;
  margin: 32px 0 12px;
  color: var(--elevchien-primary-dark);
}

.elevchien-article-body p {
  margin-bottom: 18px;
}

.elevchien-article-body ul,
.elevchien-article-body ol {
  margin: 16px 0 20px 24px;
}

.elevchien-article-body li {
  margin-bottom: 8px;
}

.elevchien-article-body a {
  color: var(--elevchien-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.elevchien-article-body a:hover {
  color: var(--elevchien-primary-dark);
}

.elevchien-article-body blockquote {
  border-left: 4px solid var(--elevchien-primary-light);
  padding: 16px 24px;
  margin: 24px 0;
  background: var(--elevchien-primary-xlight);
  border-radius: 0 var(--elevchien-radius) var(--elevchien-radius) 0;
  font-style: italic;
  color: var(--elevchien-gray-600);
}

.elevchien-article-body strong {
  font-weight: 700;
  color: var(--elevchien-gray-800);
}

/* ================================================================
   RELATED
   ================================================================ */

.elevchien-related {
  margin-top: 60px;
  padding-top: 40px;
  border-top: 2px solid var(--elevchien-gray-200);
}

.elevchien-related h3 {
  font-size: 1.4rem;
  margin-bottom: 24px;
}

.elevchien-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.elevchien-related-card {
  border-radius: var(--elevchien-radius);
  overflow: hidden;
  box-shadow: var(--elevchien-shadow-sm);
  transition: all var(--elevchien-transition);
  background: var(--elevchien-white);
}

.elevchien-related-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--elevchien-shadow-md);
}

.elevchien-related-card img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
}

.elevchien-related-card h4 {
  padding: 14px 16px;
  font-size: 0.95rem;
  line-height: 1.35;
}

/* ================================================================
   FOOTER
   ================================================================ */

.elevchien-footer {
  background: var(--elevchien-gray-900);
  color: var(--elevchien-gray-300);
  padding: 60px 0 0;
}

.elevchien-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.elevchien-footer h4 {
  font-family: var(--elevchien-font-heading);
  font-size: 1.1rem;
  color: var(--elevchien-white);
  margin-bottom: 16px;
}

.elevchien-footer p {
  font-size: 0.9rem;
  line-height: 1.65;
}

.elevchien-footer-links ul {
  list-style: none;
}

.elevchien-footer-links li {
  margin-bottom: 10px;
}

.elevchien-footer-links a {
  font-size: 0.9rem;
  transition: color var(--elevchien-transition-fast);
}

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

.elevchien-footer-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  font-size: 0.82rem;
  color: var(--elevchien-gray-500);
}

.elevchien-footer-bar a {
  color: var(--elevchien-gray-400);
}

.elevchien-footer-bar a:hover {
  color: var(--elevchien-primary-light);
}

/* ================================================================
   RESPONSIVE
   ================================================================ */

@media (max-width: 1024px) {
  .elevchien-services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .elevchien-hero h1 {
    font-size: 2.4rem;
  }
}

@media (max-width: 768px) {
  .elevchien-burger {
    display: flex;
  }

  .elevchien-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--elevchien-off-white);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--elevchien-gray-200);
    transform: translateY(-120%);
    transition: transform var(--elevchien-transition);
    box-shadow: var(--elevchien-shadow-lg);
  }

  .elevchien-burger-check:checked ~ .elevchien-nav {
    transform: translateY(0);
  }

  .elevchien-hero {
    padding: 80px 0 70px;
    min-height: auto;
  }

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

  .elevchien-hero-text {
    font-size: 1rem;
  }

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

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

  .elevchien-footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .elevchien-related-grid {
    grid-template-columns: 1fr;
  }

  .elevchien-section-top h2 {
    font-size: 1.7rem;
  }

  .elevchien-article-header h1 {
    font-size: 1.8rem;
  }

  .elevchien-trust-row {
    gap: 24px;
  }

  .elevchien-footer-bar {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .elevchien-cta h2 {
    font-size: 1.7rem;
  }
}

@media (max-width: 480px) {
  .elevchien-hero h1 {
    font-size: 1.7rem;
  }

  .elevchien-trust-row {
    flex-direction: column;
    align-items: center;
    gap: 16px;
  }

  .elevchien-card-body {
    padding: 18px;
  }

  .elevchien-btn {
    padding: 12px 24px;
    font-size: 0.92rem;
  }
}

/* ================================================================
   ANIMATIONS
   ================================================================ */

@keyframes elevchien-fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes elevchien-fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.elevchien-hero-content {
  animation: elevchien-fadeUp 0.8s ease-out;
}

.elevchien-card {
  animation: elevchien-fadeUp 0.6s ease-out both;
}

.elevchien-card:nth-child(2) { animation-delay: 0.1s; }
.elevchien-card:nth-child(3) { animation-delay: 0.2s; }
.elevchien-card:nth-child(4) { animation-delay: 0.15s; }
.elevchien-card:nth-child(5) { animation-delay: 0.25s; }
.elevchien-card:nth-child(6) { animation-delay: 0.3s; }

.elevchien-svc {
  animation: elevchien-fadeUp 0.5s ease-out both;
}

.elevchien-svc:nth-child(2) { animation-delay: 0.08s; }
.elevchien-svc:nth-child(3) { animation-delay: 0.16s; }
.elevchien-svc:nth-child(4) { animation-delay: 0.12s; }
.elevchien-svc:nth-child(5) { animation-delay: 0.2s; }
.elevchien-svc:nth-child(6) { animation-delay: 0.28s; }

/* ================================================================
   SCROLLBAR
   ================================================================ */

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--elevchien-gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--elevchien-gray-300);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--elevchien-gray-400);
}

/* ================================================================
   SELECTION
   ================================================================ */

::selection {
  background: var(--elevchien-primary-light);
  color: var(--elevchien-primary-dark);
}

/* ================================================================
   FOCUS STATES
   ================================================================ */

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--elevchien-primary);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ================================================================
   UTILITY
   ================================================================ */

.elevchien-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}