:root {
  --primary-color: #2c3e50;
  --secondary-color: #34495e;
  --accent-color: #f39c12;
  --text-dark: #2c3e50;
  --text-light: #ffffff;
  --bg-white: #ffffff;
  --bg-light: #f8f9fa;
  --border-color: #e0e0e0;
  --shadow: 0 2px 10px rgba(0,0,0,0.1);
  --shadow-hover: 0 5px 20px rgba(0,0,0,0.15);
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-light);
}

.container-fluid {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Header */
.main-header {
  background-color: var(--bg-white);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.site-logo {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
}

.site-title {
  font-size: 1.8rem;
  font-weight: bold;
  color: var(--primary-color);
}

.primary-nav ul {
  display: flex;
  list-style: none;
  gap: 0.5rem;
}

.primary-nav a {
  text-decoration: none;
  color: var(--text-dark);
  padding: 0.8rem 1.2rem;
  transition: all 0.3s ease;
  border-radius: 6px;
  font-weight: 500;
}

.primary-nav a:hover,
.primary-nav a.active {
  background-color: var(--accent-color);
  color: var(--text-light);
}

/* Hero Banner */
.hero-banner {
  background: linear-gradient(rgba(44,62,80,0.7), rgba(44,62,80,0.7)), url('images/1.jpg') center/cover;
  height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--text-light);
}

.hero-overlay {
  max-width: 800px;
  padding: 2rem;
}

.hero-overlay h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero-subtitle {
  font-size: 1.4rem;
  margin-bottom: 2rem;
}

.cta-button {
  display: inline-block;
  padding: 1rem 2.5rem;
  background-color: var(--accent-color);
  color: var(--text-dark);
  text-decoration: none;
  border-radius: 6px;
  font-size: 1.2rem;
  font-weight: bold;
  transition: all 0.3s ease;
}

.cta-button:hover {
  background-color: #e67e22;
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

/* Content Wrapper */
.content-wrapper {
  background-color: var(--bg-light);
}

/* Intro Section */
.intro-section {
  padding: 5rem 2rem;
  background-color: var(--bg-white);
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.intro-text h2 {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.intro-text p {
  font-size: 1.1rem;
  margin-bottom: 1.2rem;
  line-height: 1.8;
}

.intro-image img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: var(--shadow);
}

/* Features Section */
.features-section {
  padding: 5rem 2rem;
  background-color: var(--bg-light);
}

.section-heading {
  text-align: center;
  font-size: 2.8rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
  margin-top: 3rem;
}

.feature-card {
  background-color: var(--bg-white);
  padding: 2.5rem;
  border-radius: 12px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-hover);
}

.feature-icon {
  font-size: 3.5rem;
  color: var(--secondary-color);
  margin-bottom: 1.5rem;
}

.feature-card h3 {
  font-size: 1.6rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.feature-card p {
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.feature-link {
  color: var(--accent-color);
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s ease;
}

.feature-link:hover {
  color: var(--secondary-color);
}

/* Calculator Section */
.calculator-section {
  padding: 5rem 2rem;
  background-color: var(--bg-white);
}

.calculator-intro {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem;
  font-size: 1.15rem;
}

.calculator-wrapper {
  max-width: 800px;
  margin: 0 auto;
  background-color: var(--bg-light);
  padding: 3rem;
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.calculator-inputs {
  text-align: center;
  margin-bottom: 2rem;
}

.calculator-inputs label {
  display: block;
  font-size: 1.2rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
  font-weight: bold;
}

.calculator-inputs input {
  padding: 0.8rem;
  font-size: 1.1rem;
  border: 2px solid var(--border-color);
  border-radius: 6px;
  width: 200px;
  margin-right: 1rem;
}

.calc-button {
  padding: 0.8rem 2rem;
  background-color: var(--secondary-color);
  color: var(--text-light);
  border: none;
  border-radius: 6px;
  font-size: 1.1rem;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
}

.calc-button:hover {
  background-color: var(--accent-color);
  color: var(--text-dark);
}

.calculator-results {
  margin-top: 2rem;
}

/* Recent Posts */
.recent-posts {
  padding: 5rem 2rem;
  background-color: var(--bg-light);
}

.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
  margin-top: 3rem;
}

.post-preview {
  background-color: var(--bg-white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

.post-preview:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.post-preview img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.post-content {
  padding: 2rem;
}

.post-content h3 {
  margin-bottom: 1rem;
}

.post-content h3 a {
  color: var(--primary-color);
  text-decoration: none;
  font-size: 1.4rem;
  transition: color 0.3s ease;
}

.post-content h3 a:hover {
  color: var(--secondary-color);
}

.post-excerpt {
  margin-bottom: 1.5rem;
  line-height: 1.7;
  color: #555;
}

.read-more {
  color: var(--accent-color);
  text-decoration: none;
  font-weight: bold;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: gap 0.3s ease;
}

.read-more:hover {
  gap: 1rem;
}

.view-all-posts {
  text-align: center;
  margin-top: 3rem;
}

.primary-btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  background-color: var(--secondary-color);
  color: var(--text-light);
  text-decoration: none;
  border-radius: 6px;
  font-size: 1.1rem;
  font-weight: bold;
  transition: all 0.3s ease;
}

.primary-btn:hover {
  background-color: var(--accent-color);
  color: var(--text-dark);
}

/* Footer */
.site-footer {
  background-color: var(--primary-color);
  color: var(--text-light);
  padding: 4rem 2rem 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  font-size: 1.4rem;
  margin-bottom: 1.5rem;
  color: var(--accent-color);
}

.footer-col p {
  line-height: 1.8;
  margin-bottom: 0.8rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 0.8rem;
}

.footer-col a {
  color: var(--text-light);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-col a:hover {
  color: var(--accent-color);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 2rem;
  text-align: center;
}

.footer-links {
  margin-top: 1rem;
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--primary-color);
  color: var(--text-light);
  padding: 2rem;
  box-shadow: 0 -2px 10px rgba(0,0,0,0.2);
  z-index: 9999;
  display: none;
}

.cookie-banner.show {
  display: block;
}

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
}

.cookie-content h3 {
  margin-bottom: 1rem;
  color: var(--accent-color);
}

.cookie-content p {
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.cookie-content a {
  color: var(--accent-color);
  text-decoration: underline;
}

.cookie-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.cookie-btn {
  padding: 0.8rem 1.8rem;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
}

.cookie-btn.accept {
  background-color: var(--accent-color);
  color: var(--text-dark);
}

.cookie-btn.customize {
  background-color: transparent;
  border: 2px solid var(--accent-color);
  color: var(--accent-color);
}

.cookie-btn.decline {
  background-color: transparent;
  border: 2px solid #ccc;
  color: #ccc;
}

.cookie-btn:hover {
  transform: translateY(-2px);
}

/* Typewriter Effect */
.typewriter-effect {
  overflow: hidden;
  border-right: 0.15em solid var(--accent-color);
  white-space: nowrap;
  margin: 0 auto;
  letter-spacing: 0.1em;
  animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

@keyframes typing {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes blink-caret {
  from, to { border-color: transparent; }
  50% { border-color: var(--accent-color); }
}

/* Post Article Styles */
.post-article {
  background-color: var(--bg-white);
}

.post-header-image {
  width: 100%;
  height: 500px;
  overflow: hidden;
}

.post-header-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.post-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 3rem 2rem;
}

/* Responsive Design */
@media (max-width: 1200px) {
  .primary-nav ul {
    gap: 0.3rem;
  }
  .primary-nav a {
    padding: 0.6rem 0.9rem;
    font-size: 0.95rem;
  }
}

@media (max-width: 992px) {
  .intro-grid {
    grid-template-columns: 1fr;
  }
  .header-container {
    flex-direction: column;
    gap: 1rem;
  }
  .primary-nav ul {
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .hero-overlay h1 {
    font-size: 2.5rem;
  }
  .hero-subtitle {
    font-size: 1.1rem;
  }
  .section-heading {
    font-size: 2rem;
  }
  .features-grid,
  .posts-grid {
    grid-template-columns: 1fr;
  }
  .primary-nav ul {
    flex-direction: column;
    width: 100%;
  }
  .primary-nav a {
    display: block;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-overlay h1 {
    font-size: 2rem;
  }
  .container-fluid {
    padding: 0 1rem;
  }
  .calculator-inputs input {
    width: 100%;
    margin-right: 0;
    margin-bottom: 1rem;
  }
}