:root {
    --bg: #f5f8fb;
    --paper: #ffffff;
    --text: #31445c;
    --muted: #617388;
    --line: #c8d6e1;
    --violet: #a855f7;
    --lime: #8fd631;
    --coral: #f06a4a;
    --teal: #14b8a6;
    --sky: #54a9ff;
    --violet-soft: #efe3ff;
    --lime-soft: #eef8d7;
    --coral-soft: #fde3db;
    --teal-soft: #d8f6f2;
    --sky-soft: #dfeeff;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
}

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

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

.wrap {
    width: min(1140px, calc(100% - 32px));
    margin: 0 auto;
}

.site-header {
    background: var(--paper);
    border-bottom: 1px solid var(--line);
}

.header-top {
    border-bottom: 1px solid var(--line);
    background: var(--sky-soft);
}

.header-top .wrap {
    padding: 8px 0;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted);
}

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

.brand {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    font-weight: 700;
}

.brand-mark {
    width: 52px;
    height: 52px;
    border: 2px solid var(--text);
    background: conic-gradient(from 0deg, var(--violet) 0 90deg, var(--lime) 90deg 180deg, var(--coral) 180deg 270deg, var(--teal) 270deg 360deg);
}

.brand-copy small,
.label,
.mini,
.footer-note,
.note-head {
    display: block;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted);
}

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

.main-nav a {
    padding: 10px 14px;
    border: 1px solid var(--text);
    background: var(--paper);
    font-size: 14px;
}

.main-nav a:hover,
.main-nav a:focus-visible {
    background: var(--lime);
}

main {
    padding: 18px 0 40px;
}

section {
    margin-bottom: 18px;
}

h1 {
    margin: 0 0 14px;
    font-size: 42px;
    line-height: 1.08;
}

h2 {
    margin: 0 0 12px;
    font-size: 28px;
    line-height: 1.2;
}

h3 {
    margin: 0 0 8px;
    font-size: 20px;
    line-height: 1.3;
}

p,
li {
    margin: 0 0 16px;
    font-size: 16px;
}

.lead {
    font-size: 18px;
}

.intro-wall,
.band-grid,
.signal-strip,
.story-board,
.action-banner,
.offer-wall,
.terms-band,
.device-field,
.contact-matrix,
.issue-table,
.signal-notes {
    background: var(--paper);
    border: 1px solid var(--line);
}

.intro-wall {
    padding: 24px;
}

.intro-head {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.8fr);
    gap: 24px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--line);
}

.status-stack {
    display: grid;
    gap: 10px;
}

.status-line {
    padding: 12px 14px;
    border: 1px solid var(--line);
}

.status-line:nth-child(1) {
    background: var(--lime-soft);
}

.status-line:nth-child(2) {
    background: var(--coral-soft);
}

.status-line:nth-child(3) {
    background: var(--teal-soft);
}

.cta-row,
.cta-mid,
.cta-end {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 18px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 12px 18px;
    border: 1px solid var(--text);
    font-weight: 700;
}

.button-phone {
    background: var(--text);
    color: #ffffff;
}

.button-online {
    background: var(--violet-soft);
}

.fact-ribbon {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    margin-top: 18px;
    border-top: 1px solid var(--line);
}

.fact-ribbon article {
    padding: 16px 18px;
    border-right: 1px solid var(--line);
}

.fact-ribbon article:last-child {
    border-right: 0;
}

.fact-ribbon article:nth-child(1) {
    background: var(--violet-soft);
}

.fact-ribbon article:nth-child(2) {
    background: var(--lime-soft);
}

.fact-ribbon article:nth-child(3) {
    background: var(--coral-soft);
}

.fact-ribbon article:nth-child(4) {
    background: var(--teal-soft);
}

.band-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.9fr 0.9fr;
}

.band-col {
    padding: 20px 22px;
    border-right: 1px solid var(--line);
}

.band-col:last-child {
    border-right: 0;
}

.band-col:nth-child(2) {
    background: var(--sky-soft);
}

.band-col:nth-child(3) {
    background: var(--lime-soft);
}

.tag-line,
.device-line,
.offer-line {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag-line span,
.device-line span,
.offer-line span {
    display: inline-flex;
    align-items: center;
    padding: 8px 12px;
    border: 1px solid var(--text);
    background: var(--paper);
    font-size: 14px;
}

.story-board {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.story-card {
    padding: 18px 20px;
    border-right: 1px solid var(--line);
    border-top: 6px solid var(--sky);
}

.story-card:nth-child(2) {
    background: var(--violet-soft);
    border-top-color: var(--violet);
}

.story-card:nth-child(3) {
    background: var(--coral-soft);
    border-top-color: var(--coral);
}

.story-card:nth-child(4) {
    background: var(--teal-soft);
    border-top-color: var(--teal);
    border-right: 0;
}

.signal-strip {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
}

.signal-label {
    padding: 20px 22px;
    border-right: 1px solid var(--line);
    background: var(--lime);
    color: var(--text);
}

.signal-body {
    padding: 20px 22px;
}

.action-banner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 0;
}

.action-copy,
.action-aside {
    padding: 22px 24px;
}

.action-aside {
    border-left: 1px solid var(--line);
    background: var(--violet-soft);
}

.issue-table {
    padding: 0 22px 6px;
}

.issue-row {
    display: grid;
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 18px;
    padding: 18px 0;
    border-bottom: 1px solid var(--line);
}

.issue-row:last-child {
    border-bottom: 0;
}

.issue-label {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted);
}

.contact-matrix {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.contact-cell {
    padding: 18px 20px;
    border-right: 1px solid var(--line);
}

.contact-cell:last-child {
    border-right: 0;
}

.contact-cell:nth-child(1) {
    background: var(--sky-soft);
}

.contact-cell:nth-child(2) {
    background: var(--lime-soft);
}

.contact-cell:nth-child(3) {
    background: var(--coral-soft);
}

.signal-notes {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 0;
}

.signal-copy,
.signal-aside {
    padding: 22px 24px;
}

.signal-aside {
    border-left: 1px solid var(--line);
    background: var(--teal-soft);
}

.offer-wall,
.terms-band,
.device-field {
    padding: 22px 24px;
}

.offer-mast {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) 300px;
    gap: 24px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--line);
}

.mini-box {
    padding: 14px 16px;
    border: 1px solid var(--line);
    margin-bottom: 10px;
}

.mini-box:nth-child(1) {
    background: var(--violet-soft);
}

.mini-box:nth-child(2) {
    background: var(--lime-soft);
}

.mini-box:nth-child(3) {
    background: var(--coral-soft);
}

.terms-band {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
}

.term-cell {
    padding: 18px 20px;
    border-right: 1px solid var(--line);
}

.term-cell:last-child {
    border-right: 0;
}

.term-cell:nth-child(2) {
    background: var(--sky-soft);
}

.term-cell:nth-child(3) {
    background: var(--lime-soft);
}

.device-field {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 24px;
}

.field-aside {
    padding: 16px 18px;
    border: 1px solid var(--line);
    background: var(--violet-soft);
}

.quiet-note {
    width: min(1140px, calc(100% - 32px));
    margin: 0 auto 18px;
    border-top: 1px solid var(--line);
    padding-top: 12px;
    color: var(--muted);
}

.quiet-note p {
    margin: 0;
    font-size: 14px;
}

.site-footer {
    padding: 8px 0 38px;
}

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

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.footer-links a {
    font-size: 14px;
}

.footer-links .privacy {
    font-size: 13px;
    color: var(--muted);
}

@media (max-width: 980px) {
    .intro-head,
    .band-grid,
    .story-board,
    .signal-strip,
    .action-banner,
    .contact-matrix,
    .signal-notes,
    .offer-mast,
    .terms-band,
    .device-field,
    .fact-ribbon {
        grid-template-columns: 1fr;
    }

    .fact-ribbon article,
    .band-col,
    .story-card,
    .contact-cell,
    .term-cell {
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .fact-ribbon article:last-child,
    .band-col:last-child,
    .story-card:last-child,
    .contact-cell:last-child,
    .term-cell:last-child {
        border-bottom: 0;
    }

    .signal-label,
    .action-aside,
    .signal-aside {
        border-right: 0;
        border-left: 0;
        border-top: 1px solid var(--line);
    }
}

@media (max-width: 760px) {
    .wrap,
    .quiet-note {
        width: min(100% - 22px, 1140px);
    }

    .header-main {
        flex-direction: column;
        align-items: flex-start;
    }

    .issue-row {
        grid-template-columns: 1fr;
    }

    .button {
        width: 100%;
    }

    .intro-wall,
    .offer-wall,
    .terms-band,
    .device-field,
    .issue-table,
    .signal-copy,
    .signal-aside,
    .action-copy,
    .action-aside,
    .signal-label,
    .signal-body,
    .band-col,
    .story-card,
    .contact-cell {
        padding-left: 18px;
        padding-right: 18px;
    }
}