:root {
    --primary: #10b981; /* Emerald Green */
    --bg: #f8fafc;
    --text: #1e293b;
    --slate: #64748b;
}

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

nav {
    display: flex;
    justify-content: space-between;
    padding: 2rem 5%;
    align-items: center;
}

.logo {
    font-weight: 900;
    font-size: 1.5rem;
    letter-spacing: -1px;
}

.links {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.social-link {
    color: var(--slate);
    font-weight: 700;
    text-decoration: none;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    border: 1px solid transparent;
    transition: all 0.2s ease;
}

.social-link:hover {
    color: var(--text);
    background: #ffffff;
    border-color: #e2e8f0;
}

.nav-btn {
    background: var(--text);
    color: white;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
}

.hero {
    text-align: center;
    padding: 100px 5%;
    max-width: 900px;
    margin: 0 auto;
}

h1 {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.highlight {
    color: var(--primary);
}

.cta-group {
    margin-top: 3rem;
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.primary-btn {
    background: var(--primary);
    color: white;
    padding: 1rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: bold;
    box-shadow: 0 10px 15px -3px rgba(16, 185, 129, 0.3);
}

.secondary-btn {
    background: transparent;
    color: var(--primary);
    padding: 1rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: bold;
    border: 2px solid var(--primary);
    transition: all 0.3s ease;
}

.secondary-btn:hover {
    background: var(--primary);
    color: white;
}

.youtube-section {
    text-align: center;
    padding: 5rem 5%;
    background: linear-gradient(135deg, #f8fafc 0%, #f0fdf4 100%);
}

.youtube-section h2 {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
}

.section-subtitle {
    color: var(--slate);
    font-size: 1.1rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.youtube-content {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.youtube-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: #ff0000;
    color: white;
    padding: 1rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
}

.youtube-btn:hover {
    background: #cc0000;
    transform: scale(1.05);
}

.youtube-btn svg {
    width: 24px;
    height: 24px;
}

.latest-analysis {
    padding: 5rem 5%;
}

.latest-analysis h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
}

.latest-analysis .section-subtitle {
    text-align: center;
}

.features {
    margin-top: 3rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid #e2e8f0;
}

footer {
    text-align: center;
    padding: 4rem;
    color: var(--slate);
    font-size: 0.8rem;
}