* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: #1f2937;
    background: #f8fafc;
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    width: min(1120px, 92%);
    margin: 0 auto;
}

.site-header {
    background: #ffffff;
    border-bottom: 1px solid #e5e7eb;
    position: sticky;
    top: 0;
    z-index: 50;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 0;
    gap: 20px;
}

.logo-wrap {
    display: flex;
    align-items: center;
    gap: 14px;
}

.logo-mark {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: linear-gradient(135deg, #1d4ed8, #0f766e);
    color: #fff;
    display: grid;
    place-items: center;
    font-weight: bold;
    font-size: 18px;
}

.brand-name {
    font-size: 1.2rem;
    font-weight: 700;
}

.brand-tag {
    font-size: 0.88rem;
    color: #6b7280;
}

nav {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
}

.hero {
    padding: 72px 0;
    background: linear-gradient(180deg, #ffffff 0%, #eff6ff 100%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 36px;
    align-items: center;
}

.eyebrow {
    color: #0f766e;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.82rem;
    font-weight: 700;
    margin-bottom: 10px;
}

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

h1 {
    font-size: clamp(2rem, 4vw, 3.4rem);
    margin-bottom: 16px;
}

h2 {
    font-size: clamp(1.7rem, 3vw, 2.4rem);
    margin-bottom: 12px;
}

.hero-text,
.section-heading p {
    color: #4b5563;
    font-size: 1.08rem;
}

.hero-buttons,
.form-actions,
.center {
    margin-top: 24px;
}

.hero-buttons {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.hero-points {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
    margin-top: 22px;
    color: #475569;
    font-size: 0.95rem;
}

.hero-card,
.card,
.pricing-card,
.cta-box,
.form-wrap {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 18px;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.05);
}

.hero-card {
    padding: 28px;
}

.hero-card ul,
.check-list {
    margin: 0;
    padding-left: 20px;
}

.section {
    padding: 72px 0;
}

.section.light {
    background: #f1f5f9;
}

.section-heading {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 38px;
}

.section-heading.left {
    text-align: left;
    margin: 0 0 24px;
}

.cards {
    display: grid;
    gap: 22px;
}

.cards.three {
    grid-template-columns: repeat(3, 1fr);
}

.card {
    padding: 24px;
}

.comparison,
.pricing-grid {
    display: grid;
    gap: 24px;
    grid-template-columns: repeat(2, 1fr);
}

.pricing-card {
    padding: 28px;
}

.pricing-card.featured {
    border: 2px solid #1d4ed8;
}

.price {
    font-size: 2.2rem;
    font-weight: 700;
    color: #111827;
    margin: 12px 0 4px;
}

.btn {
    display: inline-block;
    padding: 12px 20px;
    border-radius: 12px;
    background: #1d4ed8;
    color: #fff;
    font-weight: 700;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background: #1e40af;
}

.btn-outline {
    background: transparent;
    color: #1d4ed8;
    border: 2px solid #1d4ed8;
}

.btn-outline:hover {
    background: #eff6ff;
}

.btn-secondary {
    background: #e5e7eb;
    color: #111827;
}

.btn-secondary:hover {
    background: #d1d5db;
}

.cta-section {
    background: linear-gradient(135deg, #0f172a, #1e293b);
    color: #fff;
}

.cta-box {
    padding: 34px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    background: rgba(255,255,255,0.06);
    border-color: rgba(255,255,255,0.12);
}

.site-footer {
    padding: 28px 0;
    background: #0f172a;
    color: #cbd5e1;
}

.footer-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.form-wrap {
    max-width: 820px;
    margin: 0 auto;
    padding: 28px;
}

.demo-form label {
    display: block;
    font-weight: 700;
    margin-bottom: 8px;
}

.demo-form input,
.demo-form select,
.demo-form textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #cbd5e1;
    border-radius: 12px;
    font-size: 1rem;
    margin-bottom: 18px;
    background: #fff;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}

.alert {
    padding: 14px 16px;
    border-radius: 12px;
    margin-bottom: 20px;
}

.alert.success {
    background: #ecfdf5;
    border: 1px solid #86efac;
    color: #166534;
}

.alert.error {
    background: #fef2f2;
    border: 1px solid #fca5a5;
    color: #991b1b;
}

@media (max-width: 900px) {
    .hero-grid,
    .cards.three,
    .comparison,
    .pricing-grid,
    .form-grid,
    .cta-box,
    .footer-flex,
    .nav {
        grid-template-columns: 1fr;
        flex-direction: column;
        align-items: flex-start;
    }

    nav {
        width: 100%;
    }

    .cta-box {
        align-items: flex-start;
    }
}