:root {
    /* Core Colors - Modifiable via ID/Variables */
    --primary-color: #007BFF;
    --secondary-color: #0056b3;
    --text-color: #343a40;
    --text-light: #6c757d;
    --bg-color: #ffffff;
    --bg-alt: #f3f4f6;
    --white: #ffffff;

    /* Spacing & Layout */
    --container-width: 1200px;
    --header-height: 80px;
    --border-radius: 8px;

    /* Typography */
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
}

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

body {
    font-family: var(--font-main);
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    background-color: var(--primary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: background-color 0.3s ease, transform 0.2s ease;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

/* Header */
header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    position: fixed;
    width: 100%;
    top: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

#site-logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    text-decoration: none;
    letter-spacing: -0.5px;
}

/* Hero Section */
#hero-section {
    margin-top: var(--header-height);
    padding: 80px 0;
    background: linear-gradient(135deg, var(--bg-alt) 0%, var(--white) 100%);
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text-content {
    max-width: 600px;
}

#hero-title {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 24px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

#hero-desc {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 32px;
}

.hero-image-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

#hero-image {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

#hero-image:hover {
    transform: scale(1.02);
}

/* Features Section (Icons & Text only) */
#features-section {
    padding: 100px 0;
    background-color: var(--white);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

#features-title {
    font-size: 2.5rem;
    margin-bottom: 16px;
    color: var(--text-color);
}

#features-subtitle {
    color: var(--text-light);
    font-size: 1.1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-card {
    padding: 32px;
    border-radius: 16px;
    background-color: var(--bg-alt);
    transition: transform 0.3s ease;
}

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

.feature-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 24px;
    color: var(--primary-color);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
    color: var(--text-color);
}

.feature-card p {
    color: var(--text-light);
}

/* Partners Section */
#partners-section {
    padding: 80px 0;
    background-color: var(--bg-alt);
    text-align: center;
}

#partners-title {
    font-size: 2rem;
    margin-bottom: 50px;
    color: var(--text-color);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.partner-card {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: left;
}

.partner-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
    border-color: rgba(37, 99, 235, 0.1);
}

.partner-card h3 {
    margin-bottom: 10px;
    font-size: 1.25rem;
}

.partner-card a {
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 700;
    transition: color 0.2s ease;
}

.partner-card a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

.partner-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Footer */
footer {
    padding: 60px 0;
    background-color: var(--text-color);
    color: var(--white);
}

.footer-content {
    text-align: center;
}

#footer-text {
    opacity: 0.8;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    #hero-title {
        font-size: 2.5rem;
    }

    .header-content {
        flex-direction: column;
        gap: 10px;
    }
}