:root {
    --primary: #38B2AC;
    --secondary: #1a202c;
    --bg-color: #e6fffa;
    --text-color: #333333;
    --white: #ffffff;
    --gray-light: #e9ecef;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}
a { color: var(--primary); text-decoration: none; transition: color 0.3s ease; }
a:hover { color: var(--secondary); }

/* Header */
header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}
.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--secondary);
    letter-spacing: -0.5px;
}
.logo span { color: var(--primary); }
nav ul { list-style: none; display: flex; gap: 2rem; }
nav ul li a { color: var(--secondary); font-weight: 500; font-size: 1rem; }
nav ul li a:hover { color: var(--primary); }

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('https://images.unsplash.com/photo-1585829365295-ab7cd400c167?auto=format&fit=crop&w=1600&q=80') center/cover;
    color: var(--white);
    padding: 7rem 2rem;
    text-align: center;
}
.hero h1 { font-size: 3.5rem; margin-bottom: 1rem; font-weight: 700; text-shadow: 0 2px 4px rgba(0,0,0,0.3); }
.hero p { font-size: 1.3rem; max-width: 750px; margin: 0 auto; opacity: 0.95; }

/* Content Blocks */
.container { max-width: 1200px; margin: 4rem auto; padding: 0 2rem; }
.section-title { font-size: 2.2rem; color: var(--secondary); margin-bottom: 2rem; text-align: center; font-weight: 800; }

.text-block {
    background: var(--white);
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.04);
    margin-bottom: 4rem;
    border-top: 4px solid var(--primary);
}
.text-block h2 { color: var(--secondary); margin-bottom: 1.5rem; font-size: 1.8rem; }
.text-block p { font-size: 1.1rem; color: #555; line-height: 1.8; }

/* Grid */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 2.5rem; margin-bottom: 4rem; }

/* Article Cards */
.card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--gray-light);
}
.card:hover { transform: translateY(-5px); box-shadow: 0 12px 30px rgba(0,0,0,0.1); }
.card-content { padding: 2.5rem; }
.card-meta { font-size: 0.85rem; color: var(--primary); margin-bottom: 1rem; display: block; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; }
.card h3 { font-size: 1.5rem; margin-bottom: 1rem; color: var(--secondary); line-height: 1.3; }
.card p { color: #666; margin-bottom: 1.5rem; line-height: 1.6; }
.read-more { font-weight: 600; display: inline-flex; align-items: center; color: var(--primary); }
.read-more::after { content: '»'; margin-left: 5px; transition: margin 0.3s ease; }
.card:hover .read-more::after { margin-left: 10px; }

/* Forms */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }
.contact-info, .contact-form { background: var(--white); padding: 3rem; border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); border: 1px solid var(--gray-light); }
.contact-info h3 { margin-bottom: 1.5rem; color: var(--secondary); }
.contact-info p { margin-bottom: 1rem; display: flex; align-items: center; gap: 10px; }
.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; margin-bottom: 0.5rem; font-weight: 600; color: var(--secondary); }
.form-control { width: 100%; padding: 1rem; border: 2px solid var(--gray-light); border-radius: 8px; font-family: inherit; font-size: 1rem; transition: border-color 0.3s ease; }
.form-control:focus { outline: none; border-color: var(--primary); }
textarea.form-control { resize: vertical; min-height: 150px; }
.btn-submit { background: var(--primary); color: var(--white); border: none; padding: 1.2rem 2rem; font-size: 1.1rem; font-weight: 700; border-radius: 8px; cursor: pointer; transition: opacity 0.3s ease; width: 100%; }
.btn-submit:hover { opacity: 0.9; }

/* Typography Pages */
.page-header { background: var(--secondary); color: var(--white); padding: 5rem 2rem; text-align: center; }
.page-header h1 { font-size: 2.8rem; font-weight: 800; }
.content-block { background: var(--white); padding: 4rem; border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); max-width: 900px; margin: -3rem auto 4rem auto; position: relative; border: 1px solid var(--gray-light); }
.content-block h2 { margin: 2.5rem 0 1rem 0; color: var(--secondary); font-size: 1.8rem; }
.content-block p { margin-bottom: 1.5rem; font-size: 1.1rem; color: #444; }

/* Footer */
footer { background: var(--secondary); color: var(--white); padding: 5rem 2rem 2rem 2rem; margin-top: 4rem; }
.footer-grid { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 3rem; border-bottom: 1px solid rgba(255,255,255,0.1); padding-bottom: 3rem; margin-bottom: 2rem; }
.footer-col h4 { font-size: 1.3rem; margin-bottom: 1.5rem; color: var(--white); }
.footer-col p { opacity: 0.7; margin-bottom: 1rem; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 0.8rem; }
.footer-links a { color: rgba(255,255,255,0.7); }
.footer-links a:hover { color: var(--primary); }
.copyright { text-align: center; opacity: 0.5; font-size: 0.95rem; }

@media (max-width: 768px) {
    .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
    nav ul { display: none; }
    .hero h1 { font-size: 2.5rem; }
    .content-block { padding: 2rem; margin-top: -1rem; }
}