/* Base styles */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-500: #6b7280;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: system-ui, -apple-system, sans-serif;
    line-height: 1.5;
    color: var(--gray-700);
}

.container {
    max-width: 80rem;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Navigation */
.navbar {
    background: white;
    box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 4rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray-900);
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-icon {
    color: var(--primary);
}

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

.nav-links a {
    color: var(--gray-700);
    text-decoration: none;
    transition: color 0.2s;
}

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

.mobile-menu {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu span {
    width: 1.5rem;
    height: 2px;
    background-color: var(--gray-700);
    transition: all 0.3s;
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
    .mobile-menu {
        display: none;
    }
}

/* Hero Section */
.hero {
    position: relative;
    background: white;
    overflow: hidden;
    padding: 4rem 0;
}

.hero .container {
    display: grid;
    gap: 2rem;
}

.hero-content {
    max-width: 32rem;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--gray-900);
    margin-bottom: 1.5rem;
}

.hero h1 span {
    display: block;
    color: var(--primary);
}

.hero p {
    font-size: 1.125rem;
    color: var(--gray-500);
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.375rem;
    text-decoration: none;
    font-weight: 500;
    transition: background-color 0.2s;
}

.cta-button:hover {
    background: var(--primary-dark);
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 0.5rem;
    object-fit: cover;
}

@media (min-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr 1fr;
        align-items: center;
    }
    
    .hero h1 {
        font-size: 3.75rem;
    }
}

/* Features Section */
.features {
    background: var(--gray-50);
    padding: 4rem 0;
}

.section-header {
    text-align: center;
    max-width: 48rem;
    margin: 0 auto 3rem;
}

.section-header h2 {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--gray-500);
}

.features-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.feature-card {
    background: white;
    padding: 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1);
    text-align: center;
}

.feature-card svg {
    color: var(--primary);
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: var(--gray-900);
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: var(--gray-500);
}

/* Contact Section */
.contact {
    padding: 4rem 0;
    background: white;
}

.contact-grid {
    display: grid;
    gap: 2rem;
}

.contact-info {
    background: var(--gray-50);
    padding: 1.5rem;
    border-radius: 0.5rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.info-item:last-child {
    margin-bottom: 0;
}

.info-item svg {
    color: var(--primary);
}

.contact-form {
    display: grid;
    gap: 1.5rem;
}

.form-group {
    display: grid;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--gray-300);
    border-radius: 0.375rem;
    background: white;
    color: var(--gray-900);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.contact-form button {
    background: var(--primary);
    color: white;
    padding: 0.75rem;
    border: none;
    border-radius: 0.375rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
}

.contact-form button:hover {
    background: var(--primary-dark);
}

@media (min-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* Footer */
.footer {
    background: var(--gray-800);
    padding: 3rem 0;
    color: white;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: white;
    font-weight: 700;
    font-size: 1.25rem;
}

.footer p {
    color: var(--gray-400);
}

@media (max-width: 640px) {
    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}