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

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --dark: #1e293b;
    --gray: #64748b;
    --light: #f8fafc;
    --white: #ffffff;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--dark);
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    padding: 20px 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    z-index: 100;
}

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

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s;
}

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

.btn-primary {
    background: var(--primary);
    color: var(--white);
    font-size: 1.1rem;
}

.btn-primary:hover, .btn-header:hover {
    background: var(--primary-dark);
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.2rem;
}

/* Hero */
.hero {
    padding: 160px 0 100px;
    text-align: center;
    background: linear-gradient(180deg, var(--light) 0%, var(--white) 100%);
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-sub {
    font-size: 1.25rem;
    color: var(--gray);
    margin-bottom: 30px;
}

/* Problem */
.problem {
    padding: 80px 0;
    background: var(--white);
}

.problem h2 {
    text-align: center;
    font-size: 1.75rem;
    margin-bottom: 40px;
}

.section-title-alt {
    text-align: center;
    font-size: 1.75rem;
    margin-top: 60px;
    margin-bottom: 40px;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.problem-item {
    text-align: center;
    padding: 30px;
    border-radius: 12px;
}

.problem-item.green {
    background: #ecfdf5;
    border: 2px solid #10b981;
}

.problem-item.red {
    background: #fef2f2;
    border: 2px solid #ef4444;
}

.problem-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
    display: block;
}

.problem-solution {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: 50px;
    color: var(--primary);
}

/* Services */
.services {
    padding: 80px 0;
    background: var(--light);
}

.services h2 {
    text-align: center;
    font-size: 1.75rem;
    margin-bottom: 40px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.service-card {
    background: var(--white);
    padding: 35px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.service-card.featured {
    border: 2px solid var(--primary);
}

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

.service-card .price {
    color: var(--primary);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.service-card ul {
    list-style: none;
}

.service-card li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    color: var(--gray);
}

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

.service-desc {
    color: var(--gray);
    line-height: 1.7;
}

.services-note {
    text-align: center;
    margin-top: 40px;
    font-size: 1.1rem;
    color: var(--gray);
    font-weight: 500;
}

/* Why */
.why {
    padding: 80px 0;
    background: var(--white);
}

.why h2 {
    text-align: center;
    font-size: 1.75rem;
    margin-bottom: 40px;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.why-item {
    text-align: center;
    padding: 20px;
}

.why-item h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.why-item p {
    color: var(--gray);
}

/* Process */
.process {
    padding: 80px 0;
    background: var(--light);
}

.process h2 {
    text-align: center;
    font-size: 1.75rem;
    margin-bottom: 40px;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.step {
    text-align: center;
    padding: 20px;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: 50%;
    margin-bottom: 15px;
}

.step h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

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

/* Contact */
.contact {
    padding: 100px 0;
    background: var(--dark);
    color: var(--white);
    text-align: center;
}

.contact h2 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.contact p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.contact-alt {
    margin-top: 20px;
    font-size: 0.95rem;
}

.contact-alt a {
    color: var(--white);
}

/* Footer */
.footer {
    padding: 30px 0;
    background: #0f172a;
    color: var(--gray);
    text-align: center;
    font-size: 0.9rem;
}

/* Mobile */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 1.75rem;
    }
    
    .hero-sub {
        font-size: 1rem;
    }
    
    .hero {
        padding: 120px 0 60px;
    }
    
    section {
        padding: 60px 0;
    }
}