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

:root {
    --primary: #2d3748;
    --secondary: #4a5568;
    --accent: #3182ce;
    --light: #f7fafc;
    --white: #ffffff;
    --text: #1a202c;
    --text-light: #718096;
    --border: #e2e8f0;
}

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

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

/* Header */
header {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.5px;
}

nav {
    display: flex;
    gap: 32px;
}

nav a {
    color: var(--secondary);
    font-weight: 500;
    transition: color 0.2s;
    font-size: 0.95rem;
}

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

.mobile-menu {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu span {
    width: 24px;
    height: 2px;
    background: var(--primary);
    transition: 0.3s;
}

/* Hero */
.hero {
    padding: 80px 20px;
    background: linear-gradient(135deg, var(--light) 0%, var(--white) 100%);
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text h1 {
    font-size: 2.75rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-text p {
    font-size: 1.15rem;
    color: var(--text-light);
    margin-bottom: 30px;
}

.hero-image img {
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    background: var(--accent);
    color: var(--white);
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.2s;
}

.btn:hover {
    background: #2c5282;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--accent);
    color: var(--accent);
}

.btn-outline:hover {
    background: var(--accent);
    color: var(--white);
}

/* Sections */
section {
    padding: 80px 20px;
}

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

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 15px;
}

.section-title p {
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Grid Cards */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.card {
    background: var(--white);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.card-icon {
    width: 50px;
    height: 50px;
    background: var(--light);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.card h3 {
    font-size: 1.25rem;
    color: var(--primary);
    margin-bottom: 12px;
}

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

/* Image Card */
.image-card {
    padding: 0;
    overflow: hidden;
}

.image-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.image-card-content {
    padding: 25px;
}

/* About Grid */
.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.about-grid.reverse {
    grid-template-columns: 1fr 1.2fr;
}

.about-grid.reverse .about-image {
    order: -1;
}

.about-text h2 {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.about-text p {
    color: var(--text-light);
    margin-bottom: 15px;
}

.about-image img {
    border-radius: 12px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

/* Features List */
.features-list {
    list-style: none;
    margin-top: 25px;
}

.features-list li {
    padding: 10px 0;
    padding-left: 30px;
    position: relative;
    color: var(--secondary);
}

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

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info h3 {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 25px;
}

.contact-item {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.contact-item-icon {
    width: 45px;
    height: 45px;
    background: var(--light);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-item-text h4 {
    font-size: 1rem;
    color: var(--primary);
    margin-bottom: 3px;
}

.contact-item-text p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Form */
.contact-form {
    background: var(--white);
    padding: 35px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--secondary);
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.2s;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.contact-form .btn {
    width: 100%;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--light) 0%, var(--white) 100%);
    padding: 60px 20px;
    text-align: center;
}

.page-header h1 {
    font-size: 2.25rem;
    color: var(--primary);
    margin-bottom: 15px;
}

.page-header p {
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Content */
.content {
    max-width: 800px;
    margin: 0 auto;
    padding: 60px 20px;
}

.content h2 {
    font-size: 1.5rem;
    color: var(--primary);
    margin-top: 35px;
    margin-bottom: 15px;
}

.content h2:first-child {
    margin-top: 0;
}

.content p {
    color: var(--secondary);
    margin-bottom: 15px;
}

.content ul {
    margin: 15px 0 15px 25px;
    color: var(--secondary);
}

.content li {
    margin-bottom: 8px;
}

/* Footer */
footer {
    background: var(--primary);
    color: var(--white);
    padding: 50px 20px 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto 40px;
}

.footer-brand p {
    color: rgba(255,255,255,0.7);
    margin-top: 15px;
    font-size: 0.9rem;
}

.footer-col h4 {
    font-size: 1rem;
    margin-bottom: 18px;
    font-weight: 600;
}

.footer-col a {
    display: block;
    color: rgba(255,255,255,0.7);
    margin-bottom: 10px;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer-col a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 25px;
    text-align: center;
    color: rgba(255,255,255,0.5);
    font-size: 0.85rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* Responsive */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text h1 {
        font-size: 2.25rem;
    }

    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-grid,
    .about-grid.reverse {
        grid-template-columns: 1fr;
    }

    .about-grid.reverse .about-image {
        order: 0;
    }

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

@media (max-width: 768px) {
    nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        border-bottom: 1px solid var(--border);
    }

    nav.active {
        display: flex;
    }

    .mobile-menu {
        display: flex;
    }

    .grid-3,
    .grid-2 {
        grid-template-columns: 1fr;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    section {
        padding: 50px 20px;
    }

    .hero {
        padding: 50px 20px;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 1.85rem;
    }

    .section-title h2 {
        font-size: 1.65rem;
    }

    .header-inner {
        padding: 15px;
    }
}