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

:root {
    --primary-color: #1a5f7a;
    --secondary-color: #f47920;
    --accent-color: #2a9d8f;
    --text-dark: #2b2d42;
    --text-light: #6c757d;
    --bg-light: #f8f9fa;
    --white: #ffffff;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
}

/* Header & Navigation */
header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

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

.nav-links a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--secondary-color);
}

.cta-button {
    background: var(--secondary-color);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.3s;
}

.cta-button:hover {
    background: #d66a1a;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, rgba(26, 95, 122, 0.5) 0%, rgba(42, 157, 143, 0.5) 100%),
                url('adu-hero-image.jpg') center/cover;
    color: var(--white);
    padding: 6rem 2rem;
    text-align: center;
    position: relative;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary {
    background: var(--secondary-color);
    color: var(--white);
    padding: 1rem 2rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: transform 0.3s, background 0.3s;
}

.btn-primary:hover {
    background: #d66a1a;
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-color);
    padding: 1rem 2rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: transform 0.3s;
}

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Section Styles */
section {
    padding: 5rem 0;
}

.section-light {
    background: var(--white);
}

.section-dark {
    background: var(--bg-light);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

/* Benefits Grid */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.benefit-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s;
}

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

.benefit-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.benefit-card h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.benefit-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* Services */
.services-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-box {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    border-left: 4px solid var(--secondary-color);
    transition: transform 0.3s;
}

.service-box:hover {
    transform: translateY(-5px);
}

.service-image {
    width: 100%;
    height: 220px;
    background: linear-gradient(135deg, #e8f4f8 0%, #d4e9f0 100%);
    border-radius: 8px;
    margin-bottom: 1.5rem;
    position: relative;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: 8px;
    display: block;
}

.service-image::before {
    content: none;
}

.service-box h3 {
    font-size: 1.75rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.service-box ul {
    list-style: none;
    margin: 1.5rem 0;
}

.service-box li {
    padding: 0.5rem 0;
    color: var(--text-light);
    position: relative;
    padding-left: 1.5rem;
}

.service-box li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

/* Stats Section */
.stats {
    background: var(--primary-color);
    color: var(--white);
    padding: 4rem 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-item h3 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.stat-item p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Why ADU Section */
.why-adu {
    background: var(--bg-light);
}

.why-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.image-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 2rem;
}

.showcase-img {
    width: 100%;
    height: auto;
    background: transparent;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    position: relative;
    overflow: visible;
}

.showcase-img img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    display: block;
}

.showcase-img::before {
    content: none;
}

.showcase-img.large {
    grid-column: 1 / -1;
}

.feature-image {
    width: 100%;
    background: transparent;
    border-radius: 10px;
    position: relative;
}

.feature-image img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    display: block;
}

.feature-image::before {
    content: none;
}

.why-text h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.why-text p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.highlight-box {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    margin-top: 2rem;
    border-left: 4px solid var(--secondary-color);
}

.highlight-box h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Process Section */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.step {
    text-align: center;
    padding: 2rem;
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s;
}

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

.step-icon {
    width: 100%;
    height: 180px;
    background: linear-gradient(135deg, #f0f7fa 0%, #e1eff5 100%);
    border-radius: 8px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    position: relative;
    overflow: hidden;
}

.step-icon::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 400 300"><rect fill="%23f0f7fa" width="400" height="300"/><circle fill="%232a9d8f" opacity="0.1" cx="200" cy="150" r="80"/><path stroke="%231a5f7a" stroke-width="3" opacity="0.15" d="M150 180 L180 200 L250 130"/></svg>') center/cover;
    opacity: 0.4;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--secondary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 1rem;
}

.step h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Contact Section */
.contact {
    background: var(--primary-color);
    color: var(--white);
    padding: 5rem 2rem;
    text-align: center;
}

.contact h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.contact p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.contact-item a {
    color: var(--white);
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 500;
}

/* Footer */
footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 3rem 2rem 1rem;
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer-links a:hover {
    opacity: 1;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .nav-links {
        display: none;
    }

    .why-content {
        grid-template-columns: 1fr;
    }

    .image-showcase {
        grid-template-columns: 1fr;
    }

    .showcase-img.large {
        grid-column: 1;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .services-container,
    .benefits-grid {
        grid-template-columns: 1fr;
    }
}