:root {
    --primary: #0F172A;
    --accent: #6366F1;
    --bg: #F8FAFC;
    --text: #111827;
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--text);
    background: #fff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.header {
    position: fixed;
    width: 100%;
    background: #fff;
    border-bottom: 1px solid #eee;
    z-index: 1000;
}

.header-inner {
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-weight: 700;
    font-size: 20px;
}

.nav {
    display: flex;
    gap: 24px;
    align-items: center;
}

.nav a {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
}

.burger {
    display: none;
    font-size: 26px;
}

.hero {
    padding-top: 120px;
    padding-bottom: 100px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}

.hero h1 {
    font-size: 56px;
    line-height: 1.1;
}

.hero p {
    margin: 24px 0;
    font-size: 18px;
    color: #374151;
}

.hero-actions {
    display: flex;
    gap: 16px;
}

.mockup {
    height: 360px;
    border-radius: 24px;
    background: linear-gradient(135deg, #6366F1, #818CF8);
}

.btn {
    background: var(--primary);
    color: #fff;
    padding: 14px 28px;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 600;
}

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

.btn-small {
    padding: 10px 20px;
}

.proof {
    background: var(--bg);
    padding: 24px 0;
}

.proof-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    text-align: center;
    font-weight: 500;
}

.section {
    padding: 100px 0;
}

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

.section h2 {
    font-size: 40px;
    margin-bottom: 48px;
    text-align: center;
}

.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.card {
    background: #fff;
    padding: 32px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, .05);
    transition: .3s;
}

.card:hover {
    transform: translateY(-6px);
}

.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.step {
    text-align: center;
    font-weight: 500;
}

.step span {
    display: block;
    width: 48px;
    height: 48px;
    margin: 0 auto 12px;
    background: var(--accent);
    color: #fff;
    border-radius: 50%;
    line-height: 48px;
    font-weight: 700;
}

.testimonials {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testimonial {
    background: #fff;
    padding: 24px;
    border-radius: 16px;
}

.cta {
    background: var(--primary);
    color: #fff;
    text-align: center;
    padding: 100px 24px;
}

.footer {
    text-align: center;
    padding: 24px;
    background: #000;
    color: #fff;
}