/* Reset and Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --color-primary: #e07a3d;
    --color-primary-dark: #c96a30;
    --color-text: #2d3748;
    --color-text-light: #64748b;
    --color-bg: #fefefe;
    --color-bg-warm: #faf8f5;
    --color-bg-accent: #f5f0eb;
    --color-border: #e8e4df;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --container-width: 1100px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 4rem;
    --spacing-2xl: 6rem;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.05);
    --shadow-lg: 0 4px 20px rgba(0,0,0,0.1);
    --transition: 0.2s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Typography */
h1, h2, h3 {
    line-height: 1.2;
    font-weight: 600;
    color: var(--color-text);
}

h1 {
    font-size: clamp(2.2rem, 5vw, 3.2rem);
    font-weight: 700;
}

h2 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    margin-bottom: var(--spacing-sm);
}

h3 {
    font-size: 1.15rem;
    margin-bottom: var(--spacing-xs);
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.85rem 1.75rem;
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: var(--radius);
    transition: all var(--transition);
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

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

.btn-secondary:hover {
    background-color: #1a202c;
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(254, 254, 254, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 100;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--color-text);
}

.logo-icon {
    font-size: 1.4rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-links a {
    text-decoration: none;
    color: var(--color-text-light);
    font-size: 0.95rem;
    font-weight: 500;
    transition: color var(--transition);
}

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

/* Hero Section */
.hero {
    padding: calc(70px + var(--spacing-2xl)) 0 var(--spacing-2xl);
    background: linear-gradient(180deg, var(--color-bg-warm) 0%, var(--color-bg) 100%);
    text-align: center;
}

.hero h1 {
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: 1.15rem;
    max-width: 580px;
    margin: 0 auto var(--spacing-lg);
    color: var(--color-text-light);
}

/* Features Section */
.features {
    padding: var(--spacing-2xl) 0;
}

.section-intro {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
    text-align: center;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.feature-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition);
}

.feature-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.feature-card h3 {
    color: var(--color-text);
}

.feature-card p {
    font-size: 0.95rem;
}

/* How It Works */
.how-it-works {
    padding: var(--spacing-2xl) 0;
    background: var(--color-bg-warm);
}

.how-it-works h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

.step {
    text-align: center;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: white;
    font-weight: 600;
    font-size: 1.2rem;
    border-radius: 50%;
    margin-bottom: var(--spacing-sm);
}

.step h3 {
    margin-bottom: var(--spacing-xs);
}

.step p {
    font-size: 0.95rem;
}

/* CTA Section */
.cta-section {
    padding: var(--spacing-2xl) 0;
    text-align: center;
}

.cta-section p {
    font-size: 1.1rem;
    max-width: 550px;
    margin: 0 auto;
}

/* In Use Section */
.in-use {
    padding: var(--spacing-2xl) 0;
    background: var(--color-bg-warm);
    text-align: center;
}

.site-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.site-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-lg) var(--spacing-xl);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all var(--transition);
    min-width: 200px;
}

.site-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.site-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.site-url {
    font-size: 0.9rem;
    color: var(--color-primary);
}

/* Contact Section */
.contact {
    padding: var(--spacing-2xl) 0;
    background: var(--color-bg-accent);
    text-align: center;
}

.contact p {
    font-size: 1.05rem;
    max-width: 500px;
    margin: 0 auto var(--spacing-lg);
}

/* Footer */
.footer {
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer p {
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        gap: var(--spacing-md);
    }

    .hero {
        padding: calc(70px + var(--spacing-xl)) 0 var(--spacing-xl);
    }

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

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

@media (max-width: 480px) {
    .nav-links {
        display: none;
    }

    .hero h1 br {
        display: none;
    }
}