:root {
    --primary: #2563eb;
    --text: #111827;
    --muted: #6b7280;
    --line: #e5e7eb;
    --bg: #f8fafc;
    --card: #ffffff;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #ffffff;
    color: var(--text);
}

a {
    text-decoration: none;
}

.site-container {
    width: min(1200px, calc(100% - 32px));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
    z-index: 100;
}

.nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    min-height: 74px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
    font-weight: 700;
}

.brand-mark {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: var(--primary);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.brand-text {
    font-size: 20px;
}

.main-nav {
    display: flex;
    gap: 22px;
}

.main-nav a {
    color: #374151;
    font-size: 14px;
    font-weight: 600;
}

.nav-actions {
    display: flex;
    gap: 10px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 18px;
    border-radius: 14px;
    border: 1px solid var(--line);
    font-weight: 600;
    font-size: 14px;
}

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

.btn-light {
    background: #fff;
    color: var(--text);
}

.btn-lg {
    min-height: 48px;
    padding: 0 22px;
}

.full-btn {
    width: 100%;
}

.hero-section {
    padding: 72px 0;
    background: linear-gradient(180deg, #f8fbff 0%, #ffffff 100%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 36px;
    align-items: center;
}

.hero-tag {
    display: inline-block;
    padding: 8px 14px;
    background: #eaf2ff;
    color: var(--primary);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 700;
}

.hero-content h1 {
    font-size: 52px;
    line-height: 1.1;
    margin: 16px 0;
}

.hero-content p {
    font-size: 18px;
    line-height: 1.7;
    color: var(--muted);
    margin: 0 0 24px;
}

.hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.hero-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 26px;
    padding: 26px;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.06);
    display: grid;
    gap: 14px;
}

.hero-mini-card {
    background: var(--bg);
    border-radius: 18px;
    padding: 18px;
}

.mini-title {
    font-weight: 700;
    margin-bottom: 6px;
}

.mini-text {
    color: var(--muted);
    font-size: 14px;
}

.feature-section,
.pricing-section,
.content-section {
    padding: 72px 0;
}

.section-heading {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 36px;
}

.section-heading h1,
.section-heading h2 {
    font-size: 40px;
    margin: 0 0 12px;
}

.section-heading p {
    color: var(--muted);
    font-size: 17px;
    margin: 0;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.feature-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 22px;
    padding: 24px;
}

.feature-card i {
    font-size: 24px;
    color: var(--primary);
    margin-bottom: 14px;
}

.feature-card h3 {
    margin: 0 0 8px;
    font-size: 20px;
}

.feature-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.7;
}

.cta-strip {
    padding: 20px 0 72px;
}

.cta-strip-inner {
    background: #111827;
    color: #fff;
    border-radius: 28px;
    padding: 28px 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.cta-strip-inner h3 {
    margin: 0 0 6px;
    font-size: 26px;
}

.cta-strip-inner p {
    margin: 0;
    color: rgba(255,255,255,0.8);
}

.inner-hero {
    padding: 60px 0 10px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.pricing-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 24px;
    padding: 28px;
    position: relative;
}

.pricing-card.featured {
    border-color: var(--primary);
    box-shadow: 0 16px 36px rgba(37, 99, 235, 0.12);
}

.popular-label {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--primary);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    padding: 6px 10px;
    border-radius: 999px;
}

.price {
    font-size: 40px;
    font-weight: 800;
    margin: 12px 0 18px;
}

.price span {
    font-size: 16px;
    color: var(--muted);
    font-weight: 600;
}

.pricing-card ul {
    padding-left: 18px;
    margin: 0 0 24px;
    color: #374151;
    line-height: 1.9;
}

.narrow-content {
    max-width: 840px;
}

.narrow-content p {
    color: #374151;
    line-height: 1.9;
    font-size: 16px;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 22px;
}

.contact-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 22px;
    padding: 26px;
}

.contact-lines {
    display: grid;
    gap: 12px;
    margin-top: 18px;
    color: #374151;
}

.public-contact-form {
    display: grid;
    gap: 12px;
}

.public-contact-form input,
.public-contact-form textarea {
    width: 100%;
    border: 1px solid #d1d5db;
    border-radius: 14px;
    padding: 14px;
    font-size: 14px;
}

.site-footer {
    margin-top: 30px;
    border-top: 1px solid var(--line);
    background: var(--bg);
    padding-top: 34px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 20px;
    padding-bottom: 26px;
}

.footer-brand {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
}

.footer-text {
    color: var(--muted);
    line-height: 1.7;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #374151;
}

.footer-bottom {
    border-top: 1px solid var(--line);
    padding: 16px 0 22px;
    color: var(--muted);
    font-size: 14px;
}

@media (max-width: 980px) {
    .hero-grid,
    .feature-grid,
    .pricing-grid,
    .contact-grid,
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .cta-strip-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .main-nav {
        display: none;
    }
}

@media (max-width: 640px) {
    .hero-grid,
    .feature-grid,
    .pricing-grid,
    .contact-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .hero-content h1,
    .section-heading h1,
    .section-heading h2 {
        font-size: 32px;
    }

    .nav-wrap {
        flex-wrap: wrap;
        padding: 10px 0;
    }

    .nav-actions {
        width: 100%;
    }

    .nav-actions .btn {
        flex: 1;
    }
}