:root {
    --blue: #1565ff;
    --blue-soft: #eaf1ff;
    --ink: #111827;
    --muted: #667085;
    --line: #dce6f7;
    --panel: #ffffff;
    --page: #f5f9ff;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--ink);
    background: var(--page);
}

a {
    color: inherit;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 14px clamp(18px, 5vw, 64px);
    border-bottom: 1px solid rgba(21, 101, 255, 0.12);
    background: rgba(245, 249, 255, 0.94);
    backdrop-filter: blur(12px);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-size: 18px;
    font-weight: 800;
}

.brand-icon,
.panel-icon {
    width: 34px;
    height: 34px;
    border-radius: 8px;
}

.nav-links {
    display: flex;
    gap: 20px;
    color: var(--muted);
    font-size: 14px;
    font-weight: 700;
}

.nav-links a {
    text-decoration: none;
}

.nav-links a:hover {
    color: var(--blue);
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
    gap: clamp(28px, 5vw, 64px);
    align-items: center;
    min-height: 620px;
    padding: clamp(56px, 8vw, 96px) clamp(18px, 5vw, 64px) 56px;
    background:
        linear-gradient(120deg, rgba(21, 101, 255, 0.12), rgba(255, 255, 255, 0) 45%),
        var(--page);
}

.hero-content {
    max-width: 760px;
}

.eyebrow {
    margin: 0 0 10px;
    color: var(--blue);
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    margin-bottom: 18px;
    max-width: 760px;
    font-size: clamp(44px, 8vw, 82px);
    line-height: 0.95;
}

h2 {
    margin-bottom: 14px;
    font-size: clamp(28px, 4vw, 44px);
    line-height: 1.05;
}

h3 {
    margin-bottom: 10px;
    font-size: 18px;
}

.hero-copy {
    max-width: 650px;
    color: var(--muted);
    font-size: 19px;
    line-height: 1.6;
}

.hero-actions,
.inline-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 26px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 18px;
    border-radius: 8px;
    font-weight: 800;
    text-decoration: none;
}

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

.button.secondary {
    color: var(--blue);
    background: var(--blue-soft);
    border: 1px solid #bfd6ff;
}

.product-panel {
    width: min(100%, 430px);
    margin-left: auto;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--panel);
    box-shadow: 0 24px 60px rgba(17, 24, 39, 0.12);
}

.panel-topline {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    font-weight: 800;
}

.mock-row {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 13px 0;
    border-top: 1px solid #edf2fb;
    color: var(--muted);
    font-weight: 700;
}

.mock-row strong {
    color: var(--blue);
}

.mock-row.total {
    margin-top: 8px;
    padding: 13px 12px;
    border: 1px solid #bfd6ff;
    border-radius: 8px;
    background: var(--blue-soft);
    color: var(--blue);
}

.section {
    padding: 72px clamp(18px, 5vw, 64px);
    border-top: 1px solid rgba(21, 101, 255, 0.12);
}

.section-heading {
    max-width: 760px;
    margin-bottom: 26px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.feature-card,
.timeline-item {
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
}

.feature-card p,
.timeline-item p,
.text-block p {
    color: var(--muted);
    line-height: 1.55;
}

.split {
    display: grid;
    grid-template-columns: minmax(220px, 0.7fr) minmax(0, 1fr);
    gap: clamp(24px, 5vw, 72px);
    align-items: start;
}

.text-block {
    max-width: 760px;
    font-size: 17px;
}

.timeline {
    display: grid;
    gap: 14px;
    max-width: 900px;
}

.site-footer {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;
    padding: 24px clamp(18px, 5vw, 64px);
    color: var(--muted);
    font-size: 13px;
    border-top: 1px solid rgba(21, 101, 255, 0.12);
}

.site-footer a {
    color: var(--blue);
    font-weight: 700;
    text-decoration: none;
}

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

    .product-panel {
        margin-left: 0;
    }

    .feature-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .site-header {
        align-items: flex-start;
        flex-direction: column;
    }

    .nav-links {
        flex-wrap: wrap;
        gap: 12px;
    }

    .hero {
        min-height: auto;
    }

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