* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: 'Jost', sans-serif;
    }
    body {
      background-color: #fafbfc;
      color: #1e2f3e;
      line-height: 1.5;
    }
    :root {
      --primary: #0f5c4b;
      --primary-light: #e0f0ec;
      --secondary: #2c4a3e;
      --accent: #d4af37;
      --grey-light: #f0f3f5;
      --text-dark: #1e2f3e;
      --text-soft: #4d6272;
      --white: #ffffff;
      --shadow-sm: 0 8px 20px rgba(0, 40, 30, 0.06);
      --shadow-hover: 0 20px 30px rgba(0, 60, 40, 0.12);
      --border-radius-card: 28px;
    }
    a {
      text-decoration: none;
      color: inherit;
    }
    .container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }
    /* ===== NAVBAR (glass) ===== */
    .navbar {
      position: sticky;
      top: 0;
      background: rgba(255, 255, 255, 0.85);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      box-shadow: 0 4px 20px rgba(0, 30, 20, 0.05);
      z-index: 999;
      padding: 8px 0;
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      max-width: 1400px;
      margin: 0 auto;
      padding: 0 24px;
    }
    .logo a {
      font-size: 1.9rem;
      font-weight: 600;
      letter-spacing: -0.02em;
      color: var(--primary);
    }
    .logo span {
      font-weight: 300;
      color: var(--text-soft);
      font-size: 1rem;
      margin-left: 4px;
    }
    .nav-links {
      display: flex;
      gap: 2.2rem;
      align-items: center;
    }
    .nav-links a {
      font-weight: 500;
      font-size: 1.1rem;
      color: var(--text-dark);
      transition: 0.2s;
      border-bottom: 2px solid transparent;
      padding-bottom: 4px;
    }
    .nav-links a:hover,
    .nav-links a.active {
      border-bottom-color: var(--primary);
      color: var(--primary);
    }
    .hamburger {
      display: none;
      font-size: 2rem;
      cursor: pointer;
      color: var(--primary);
    }
    @media (max-width: 768px) {
      .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        gap: 1.5rem;
        padding: 2rem 0 3rem;
        box-shadow: 0 20px 30px rgba(0,0,0,0.05);
        transform: translateY(-150%);
        opacity: 0;
        transition: 0.3s ease;
        pointer-events: none;
        border-bottom: 1px solid var(--grey-light);
      }
      .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
      }
      .hamburger {
        display: block;
      }
    }
    /* ===== BLOG HERO ===== */
    .blog-hero {
      height: 35vh;
      min-height: 280px;
      background: linear-gradient(105deg, #0a2f28 0%, #1b4e42 60%, rgba(0,0,0,0.2) 100%),
                  url('https://images.pexels.com/photos/280234/pexels-photo-280234.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=2');
      background-size: cover;
      background-position: center 20%;
      display: flex;
      align-items: center;
      color: white;
    }
    .blog-hero-content {
      max-width: 700px;
    }
    .blog-hero h1 {
      font-size: 3.2rem;
      font-weight: 600;
      line-height: 1.1;
      letter-spacing: -0.02em;
      margin-bottom: 0.8rem;
      text-shadow: 0 4px 15px rgba(0,0,0,0.2);
    }
    .blog-hero p {
      font-size: 1.3rem;
      font-weight: 350;
      opacity: 0.95;
    }
    /* ===== sections ===== */
    section {
      padding: 4rem 0;
    }
    .section-title {
      font-size: 2.5rem;
      font-weight: 500;
      color: var(--primary);
      margin-bottom: 1.2rem;
      letter-spacing: -0.01em;
    }
    .section-sub {
      font-size: 1.3rem;
      color: var(--text-soft);
      max-width: 700px;
      margin-bottom: 3rem;
    }
    /* featured post */
    .featured-card {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 2.5rem;
      background: var(--white);
      border-radius: 48px;
      overflow: hidden;
      box-shadow: var(--shadow-hover);
      margin-bottom: 3rem;
    }
    .featured-card img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      max-height: 400px;
    }
    .featured-content {
      padding: 2.5rem 2.5rem 2.5rem 0;
    }
    .featured-content .tag {
      background: var(--primary-light);
      color: var(--primary);
      padding: 0.3rem 1.2rem;
      border-radius: 40px;
      font-weight: 500;
      display: inline-block;
      margin-bottom: 1rem;
    }
    .featured-content h2 {
      font-size: 2.2rem;
      font-weight: 500;
      color: var(--primary);
      margin-bottom: 1rem;
    }
    .featured-content p {
      font-size: 1.2rem;
      color: var(--text-soft);
      margin-bottom: 1.5rem;
    }
    .meta {
      display: flex;
      gap: 1.5rem;
      color: var(--text-soft);
      margin-bottom: 1.5rem;
    }
    .read-more {
      font-weight: 600;
      color: var(--primary);
      border-bottom: 2px solid var(--primary);
      padding-bottom: 2px;
    }
    /* blog grid */
    .blog-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 2rem;
      margin-top: 2rem;
    }
    .blog-card {
      background: var(--white);
      border-radius: var(--border-radius-card);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: 0.25s;
    }
    .blog-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
    }
    .blog-card img {
      width: 100%;
      height: 200px;
      object-fit: cover;
    }
    .blog-info {
      padding: 1.8rem;
    }
    .blog-info .tag {
      background: var(--primary-light);
      color: var(--primary);
      padding: 0.2rem 1rem;
      border-radius: 30px;
      font-size: 0.9rem;
      font-weight: 500;
      display: inline-block;
      margin-bottom: 0.8rem;
    }
    .blog-info h3 {
      font-size: 1.6rem;
      font-weight: 500;
      color: var(--primary);
      margin-bottom: 0.5rem;
    }
    .blog-info p {
      color: var(--text-soft);
      margin-bottom: 1rem;
    }
    .blog-info .meta {
      font-size: 0.95rem;
      justify-content: space-between;
    }
    /* newsletter */
    .newsletter {
      background: var(--primary-light);
      border-radius: 60px;
      padding: 3rem;
      text-align: center;
      margin: 4rem 0;
    }
    .newsletter h3 {
      font-size: 2rem;
      color: var(--primary);
      margin-bottom: 0.8rem;
    }
    .newsletter p {
      font-size: 1.2rem;
      color: var(--text-soft);
      max-width: 500px;
      margin: 0 auto 1.5rem;
    }
    .newsletter input {
      padding: 1rem 1.5rem;
      border: none;
      border-radius: 60px;
      width: 60%;
      max-width: 350px;
      margin-right: 0.5rem;
      font-size: 1rem;
    }
    .newsletter button {
      background: var(--primary);
      color: white;
      border: none;
      padding: 1rem 2.2rem;
      border-radius: 60px;
      font-weight: 600;
      font-size: 1rem;
      cursor: pointer;
      transition: 0.2s;
    }
    .newsletter button:hover {
      background: var(--secondary);
    }
    /* footer */
    footer {
      background: #142b24;
      color: #d4dfda;
      padding: 3rem 0 1.5rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      gap: 2.5rem;
    }
    .footer-col p, .footer-col a {
      color: #bdcdc7;
      line-height: 2;
    }
    .footer-col i {
      margin-right: 8px;
      color: var(--accent);
    }
    .copyright {
      text-align: center;
      padding-top: 3rem;
      font-size: 0.95rem;
      border-top: 1px solid #2d4b41;
      margin-top: 3rem;
    }
    .copyright a {
      color: var(--accent);
      font-weight: 500;
    }
    /* floating whatsapp */
    .whatsapp-float {
      position: fixed;
      bottom: 30px;
      right: 25px;
      background: #25d366;
      color: white;
      width: 65px;
      height: 65px;
      border-radius: 50%;
      text-align: center;
      font-size: 2.4rem;
      box-shadow: 0 10px 20px rgba(0,0,0,0.15);
      display: flex;
      align-items: center;
      justify-content: center;
      transition: 0.2s;
      z-index: 99;
    }
    .whatsapp-float:hover {
      background: #128C7E;
      transform: scale(1.1);
    }
    @media (max-width: 700px) {
      .featured-card { grid-template-columns: 1fr; }
      .featured-content { padding: 1.5rem; }
      .blog-hero h1 { font-size: 2.4rem; }
      .newsletter input { width: 100%; margin-bottom: 1rem; }
    }