:root {
  --primary: #38a3a5;
  --secondary: #57cc99;
  --accent: #902c71;
  --text-dark: #000;
  --text-light: #6d8785;
  --white: #fff;
  --gradient: linear-gradient(120deg, rgba(56,163,165,0.53) 0%, rgba(249,200,244,0.8) 98% 100%);
  --gradient-text: linear-gradient(91deg, #57CC99 0%, #902C71 100%);

  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Lexend', sans-serif;

  --text-sm: 11px;
  --text-base: 16px;
  --text-lg: 18px;
  --text-xl: 32px;
  --text-2xl: 40px;

  --spacing-xs: 8px;
  --spacing-sm: 15px;
  --spacing-md: 20px;
  --spacing-lg: 30px;
  --spacing-xl: 50px;
  --spacing-2xl: 60px;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-full: 32px;

  --max-width: 1080px;
  --max-width-article: 820px;
}

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

body {
  font-family: var(--font-heading);
  font-size: 16px;
  line-height: 1.7;
  font-weight: 300;
  color: #333;
  background: var(--white);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

/* Header */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--white);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  z-index: 1000;
}

.main-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo_container img { height: 43px; width: auto; }

.top-menu-nav ul {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
}

.top-menu-nav a {
  color: #333;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

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

/* Main Content */
#main-content { padding-top: 80px; }

/* Hero Section */
.hero-section {
  text-align: center;
  padding: 100px 0 60px;
  background: linear-gradient(180deg, #f8f9fa 0%, #ffffff 100%);
}

.hero-section h1 {
  font-family: var(--font-heading);
  font-size: 40px;
  font-weight: 300;
  margin-bottom: 30px;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Buttons */
.btn-primary, .btn-secondary {
  display: inline-block;
  padding: 10px 30px;
  background-image: var(--gradient);
  color: var(--white) !important;
  border-radius: var(--radius-full);
  text-decoration: none;
  font-weight: 300;
  font-size: 14px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 20px rgba(56,163,165,0.4);
}

.btn-secondary { padding: 8px 25px; font-size: 13px; }

/* About Section */
.about-section { padding: var(--spacing-2xl) 0; }

.about-text h2 {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 300;
  margin-bottom: var(--spacing-sm);
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-text p {
  color: #666;
  font-size: var(--text-base);
  font-weight: 300;
  line-height: 1.8;
}

/* Blog Section */
.blog-section { padding: var(--spacing-2xl) 0; }

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-header h2 {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 300;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 10px;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.blog-card {
  background: #f8f9fa;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  padding-bottom: 50px;
}

.card-image {
  height: 200px;
  overflow: hidden;
}

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

.blog-card:hover .card-image img { transform: scale(1.05); }

.card-content {
  padding-top: var(--spacing-sm);
  padding-bottom: 0;
}

.card-content h3 {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 400;
  padding: 0 var(--spacing-md) 8px;
  color: var(--text-dark);
}

.card-content p {
  padding: 0 var(--spacing-md);
  color: #666;
  font-size: 14px;
  font-weight: 300;
  line-height: 1.6;
  margin: 0;
}

.card-footer {
  padding: 15px var(--spacing-md) 0;
}

/* About Full */
.about-full {
  padding: var(--spacing-2xl) 0;
  text-align: center;
  background: #f8f9fa;
}

.about-full h2 {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-light);
  margin-bottom: var(--spacing-sm);
}

.about-full p {
  font-size: 16px;
  color: #666;
  max-width: 600px;
  margin: 0 auto;
}

/* Article Pages */
.article-page {
  padding-top: 80px;
  background: #fff;
}

.article-hero {
  padding: 72px 0 80px;
  text-align: center;
  background: linear-gradient(180deg, #f8f9fa 0%, #ffffff 100%);
}

.article-hero .post-date {
  margin-bottom: 14px;
  color: var(--text-light);
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.article-hero h1 {
  max-width: 900px;
  margin: 0 auto;
  color: var(--text-dark);
  font-family: var(--font-heading);
  font-size: 40px;
  font-weight: 500;
  line-height: 1.2;
}

.article-cover {
  max-width: 920px;
  margin: 32px auto 0;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: #f1f1f1;
}

.article-cover img {
  display: block;
  width: 100%;
  height: auto;
}

.article-layout {
  max-width: var(--max-width-article);
  margin: 0 auto;
  padding: 40px 20px 72px;
}

.article-content {
  color: #474747;
  font-size: 16px;
  line-height: 1.7;
}

.article-content p { margin-bottom: 22px; }

.article-content h2,
.article-content h3 {
  margin: 42px 0 16px;
  color: var(--text-dark);
  font-family: var(--font-heading);
  line-height: 1.3;
}

.article-content h2 { font-size: 28px; font-weight: 600; }
.article-content h3 { font-size: 20px; font-weight: 600; }

.article-content blockquote {
  margin: 34px 0;
  padding: 18px 22px;
  border-left: 4px solid var(--primary);
  color: var(--text-dark);
  background: #f7fbfa;
  font-style: italic;
}

.article-actions {
  display: flex;
  justify-content: center;
  margin-top: 48px;
}

/* Footer */
.main-footer {
  background: #f8f9fa;
  color: #999;
  padding: 20px 0;
  font-size: var(--text-sm);
}

.main-footer .container {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
}

.footer-bio {
  font-size: var(--text-sm);
  font-weight: 300;
  color: #999;
  text-align: center;
  margin-bottom: 8px;
  width: 100%;
}

.footer-links {
  display: flex;
  gap: 10px;
}

.footer-links a {
  color: #999;
  text-decoration: none;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 400;
  transition: opacity 0.3s;
}

.footer-links a:hover { opacity: 0.6; }

/* Responsive */
@media (max-width: 768px) {
  .main-header .container { height: auto; padding: 10px 15px; gap: 10px; }
  .logo_container img { height: 32px; width: auto; }
  .top-menu-nav ul { gap: 15px; }
  .top-menu-nav a { font-size: 13px; }
  #main-content { padding-top: 70px; }
  .hero-section { padding: 40px 0 30px; }
  .hero-section h1 { font-size: 28px; }
  .about-text { text-align: left; }
  .about-text h2 { font-size: 26px; }
  .about-text p { font-size: 14px; }
  .blog-grid { grid-template-columns: 1fr; }
  .section-header h2 { font-size: 24px; }
  .card-content h3 { font-size: 16px; }
  .card-content p { font-size: 13px; }
  .btn-secondary { bottom: 12px; padding: 6px 20px; font-size: 12px; }
  .main-footer .container { flex-direction: column; gap: 10px; text-align: center; }
  .footer-bio { font-size: 10px; }
  .footer-links a { font-size: 10px; }
  .article-page { padding-top: 70px; }
  .article-hero { padding: 40px 0 60px; }
  .article-hero h1 { font-size: 26px; }
  .article-layout { padding: 30px 15px 60px; }
  .article-content { font-size: 15px; line-height: 1.7; }
}

@media (max-width: 480px) {
  .hero-section h1 { font-size: 24px; }
  .section-header h2 { font-size: 20px; text-align: left; }
  .card-content h3 { font-size: 16px; }
  .article-hero h1 { font-size: 26px; }
}