/* styles.css */
:root {
    --primary-color: #2C3E50;
    --accent-color: #3498DB;
    --success-color: #27AE60;
    --light-bg: #ECF0F1;
    --white: #FFFFFF;
    --text-dark: #2C3E50;
    --text-light: #7F8C8D;
}

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

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.nav-brand h2 {
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    transition: color 0.3s;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero */
.hero {
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    color: var(--white);
    text-align: center;
    padding: 150px 0 100px;
    margin-top: 70px; /* Account for fixed header */
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    background: var(--success-color);
    color: var(--white);
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.3s;
}

.cta-button:hover {
    background: #219A52;
}

/* Sections */
section {
    padding: 80px 0;
}

.intro, .trends, .how-to-choose, .conclusion {
    background: var(--light-bg);
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-align: center;
}

h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

p, li {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

ul, ol {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

/* Trends Grid */
.trends-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.trend-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s;
}

.trend-card:hover {
    transform: translateY(-5px);
}

/* Agencies */
.agencies {
    background: var(--white);
}

.agency-card {
    background: var(--light-bg);
    margin-bottom: 2rem;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: box-shadow 0.3s;
}

.agency-card:hover {
    box-shadow: 0 6px 20px rgba(0,0,0,0.1);
}

.agency-card h3 {
    color: var(--accent-color);
    text-align: center;
}

.agency-card ul {
    margin-left: 1rem;
}

.agency-card a {
    display: inline-block;
    margin-top: 1rem;
    color: var(--accent-color);
    text-decoration: none;
    font-weight: bold;
}

.agency-card a:hover {
    text-decoration: underline;
}

/* Footer */
.footer {
    background: var(--primary-color);
    color: var(--white);
    text-align: center;
    padding: 2rem 0;
}

.footer a {
    color: var(--accent-color);
    text-decoration: none;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .hamburger {
        display: flex;
    }

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

    section {
        padding: 40px 0;
    }

    .trends-grid {
        grid-template-columns: 1fr;
    }

    .agency-card {
        padding: 1rem;
    }
}