:root {
    --bg: #f6f8fc;
    --surface: #ffffff;
    --surface-soft: #f9fbff;
    --text: #101828;
    --muted: #5f6b7c;
    --line: #dce6f4;
    --primary: #2f6bff;
    --primary-soft: #ecf3ff;
    --shadow: 0 20px 50px rgba(16, 24, 40, 0.06);
    --radius: 24px;
    --content: 1080px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(47, 107, 255, 0.08), transparent 30%),
        linear-gradient(180deg, #f9fbff 0%, var(--bg) 100%);
}

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

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

.shell {
    width: min(calc(100% - 32px), var(--content));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(12px);
    background: rgba(246, 248, 252, 0.84);
    border-bottom: 1px solid rgba(220, 230, 244, 0.8);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 0;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.brand__mark {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    border: 1px solid var(--line);
    background: var(--surface);
    box-shadow: var(--shadow);
    padding: 8px;
}

.brand__text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.brand__name {
    font-size: 1rem;
}

.brand__sub {
    font-size: 0.78rem;
    color: var(--muted);
    font-weight: 500;
}

.nav {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.nav a {
    padding: 10px 14px;
    border-radius: 999px;
    color: var(--muted);
    transition: background-color 0.2s ease, color 0.2s ease;
}

.nav a:hover,
.nav a[aria-current="page"] {
    background: var(--surface);
    color: var(--text);
}

.hero {
    padding: 72px 0 32px;
}

.hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
    gap: 28px;
    align-items: stretch;
}

.panel {
    background: rgba(255, 255, 255, 0.86);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.hero-card,
.page-card,
.feature-card,
.summary-card {
    padding: 28px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 999px;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 0.9rem;
    font-weight: 600;
}

h1,
h2,
h3 {
    margin: 0;
    letter-spacing: -0.03em;
}

h1 {
    margin-top: 18px;
    font-size: clamp(2.4rem, 5vw, 4.3rem);
    line-height: 0.98;
}

h2 {
    font-size: clamp(1.65rem, 2.8vw, 2.3rem);
    margin-bottom: 10px;
}

h3 {
    font-size: 1.05rem;
    margin-bottom: 10px;
}

.lead,
.copy,
.meta,
li,
p {
    color: var(--muted);
    line-height: 1.7;
}

.lead {
    font-size: 1.05rem;
    margin: 18px 0 0;
    max-width: 60ch;
}

.hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 24px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 48px;
    padding: 0 18px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: var(--surface);
    color: var(--text);
    font-weight: 600;
}

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

.hero-side {
    display: grid;
    gap: 18px;
}

.phone-card {
    padding: 22px;
}

.phone-card__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 18px;
}

.phone-card__user {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.phone-card__user strong {
    font-size: 1rem;
}

.status-dot {
    width: 12px;
    height: 12px;
    border-radius: 999px;
    background: #1bc47d;
    box-shadow: 0 0 0 6px rgba(27, 196, 125, 0.12);
}

.map-preview {
    height: 220px;
    border-radius: 20px;
    border: 1px solid var(--line);
    background:
        radial-gradient(circle at 24% 30%, rgba(47, 107, 255, 0.12), transparent 18%),
        linear-gradient(135deg, #f2f7ff 0%, #eef5ff 100%);
    position: relative;
    overflow: hidden;
}

.map-preview::before,
.map-preview::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(147, 177, 227, 0.18) 1px, transparent 1px),
        linear-gradient(90deg, rgba(147, 177, 227, 0.18) 1px, transparent 1px);
    background-size: 38px 38px;
}

.map-preview::after {
    inset: 24px 48px 40px 32px;
    border-radius: 18px;
    background: linear-gradient(120deg, transparent 0%, rgba(47, 107, 255, 0.1) 100%);
}

.map-pin {
    position: absolute;
    left: 42%;
    top: 46%;
    width: 18px;
    height: 18px;
    border-radius: 999px;
    background: var(--primary);
    border: 4px solid rgba(47, 107, 255, 0.14);
    z-index: 2;
}

.stack {
    display: grid;
    gap: 18px;
}

.features {
    padding: 10px 0 64px;
}

.features__grid,
.page-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.feature-card p,
.summary-card p {
    margin: 0;
}

.page {
    padding: 56px 0 72px;
}

.page-card {
    padding: 34px;
}

.page-card + .page-card {
    margin-top: 18px;
}

.page-card p:first-of-type {
    margin-top: 0;
}

.page-card a {
    color: var(--primary);
    font-weight: 600;
}

.list {
    margin: 0;
    padding-left: 18px;
}

.list li + li {
    margin-top: 8px;
}

.page-grid {
    margin-top: 18px;
}

.footer {
    padding: 24px 0 40px;
}

.footer__inner {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    flex-wrap: wrap;
    padding-top: 18px;
    border-top: 1px solid var(--line);
}

.footer__nav {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    color: var(--muted);
}

@media (max-width: 920px) {
    .hero__grid,
    .features__grid,
    .page-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        padding-top: 48px;
    }
}

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

    .nav {
        width: 100%;
        justify-content: flex-start;
    }

    .hero-card,
    .page-card,
    .feature-card,
    .summary-card,
    .phone-card {
        padding: 22px;
    }

    h1 {
        font-size: 2.3rem;
    }
}