:root {
    --color-bg: #ffffff;
    --color-muted: #f5f7fa;
    --color-text: #1f2933;
    --color-light: #64748b;
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-border: #e5e7eb;
    --max-width: 1180px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
}

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

a {
    color: inherit;
}

.container {
    width: min(100% - 32px, var(--max-width));
    margin: 0 auto;
}

.narrow {
    max-width: 720px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid var(--color-border);
}

.header-inner,
.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 18px 0;
}

.logo {
    font-weight: 700;
    text-decoration: none;
    font-size: 20px;
}

.main-nav {
    display: flex;
    gap: 24px;
}

.main-nav a {
    text-decoration: none;
    color: var(--color-light);
    font-weight: 600;
}

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

.hero {
    padding: 88px 0;
    background: linear-gradient(180deg, #eef4ff 0%, #ffffff 100%);
}

.hero-inner {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 56px;
}

.eyebrow {
    margin: 0 0 12px;
    color: var(--color-primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 13px;
}

h1,
h2,
h3 {
    line-height: 1.2;
    margin-top: 0;
}

h1 {
    font-size: clamp(40px, 6vw, 68px);
    margin-bottom: 24px;
}

h2 {
    font-size: clamp(30px, 4vw, 44px);
    margin-bottom: 16px;
}

h3 {
    font-size: 22px;
    margin-bottom: 12px;
}

.hero-text {
    font-size: 20px;
    color: var(--color-light);
    max-width: 620px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 32px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    border: 1px solid transparent;
    cursor: pointer;
}

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

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

.btn-secondary {
    border-color: var(--color-border);
    background: #ffffff;
    color: var(--color-text);
}

.hero-media img {
    border-radius: 20px;
    box-shadow: 0 24px 80px rgba(15, 23, 42, 0.16);
}

.section {
    padding: 80px 0;
}

.section-muted {
    background: var(--color-muted);
}

.section-heading {
    max-width: 720px;
    margin: 0 auto 48px;
    text-align: center;
}

.section-heading p {
    color: var(--color-light);
}

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

.card,
.benefit-item,
.cta-box {
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 28px;
    box-shadow: 0 12px 40px rgba(15, 23, 42, 0.06);
}

.card p,
.benefit-item p {
    color: var(--color-light);
}

.two-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.rich-text {
    color: var(--color-light);
}

.benefit-list {
    display: grid;
    gap: 20px;
}

.cta-section {
    background: #111827;
    color: #ffffff;
}

.cta-box {
    text-align: center;
    background: transparent;
    border-color: rgba(255,255,255,0.2);
    box-shadow: none;
}

.cta-box p {
    color: #d1d5db;
    max-width: 680px;
    margin: 0 auto 28px;
}

.contact-form {
    display: grid;
    gap: 20px;
}

.contact-form label {
    display: grid;
    gap: 8px;
    font-weight: 700;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 14px 16px;
    font: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: 2px solid rgba(37, 99, 235, 0.25);
    border-color: var(--color-primary);
}

.error {
    color: #dc2626;
    font-size: 14px;
    font-weight: 400;
}

.site-footer {
    border-top: 1px solid var(--color-border);
    color: var(--color-light);
}

.site-footer a {
    text-decoration: none;
}

@media (max-width: 900px) {
    .hero-inner,
    .two-columns {
        grid-template-columns: 1fr;
    }

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

    .main-nav {
        display: none;
    }

    .hero {
        padding: 64px 0;
    }

    .section {
        padding: 56px 0;
    }
}