* {
    box-sizing: border-box;
}

:root {
    --ink: #274f5e;
    --ink-soft: #4d6f7a;
    --teal: #0a8582;
    --teal-deep: #08706e;
    --teal-soft: #dff7f5;
    --violet: #6268b5;
    --violet-soft: #eef0ff;
    --coral: #d95f59;
    --coral-soft: #ffe9e7;
    --line: #b7d6d8;
    --paper: #ffffff;
    --mist: #f3fafb;
    --shadow: 0 14px 38px rgba(39, 79, 94, 0.13);
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.62;
    overflow-wrap: anywhere;
}

a {
    color: inherit;
}

a:focus-visible {
    outline: 3px solid #7d84d2;
    outline-offset: 4px;
}

.wrap {
    width: min(1160px, calc(100% - 56px));
    margin: 0 auto;
}

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

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 18px 0;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    color: var(--ink);
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.02em;
    text-decoration: none;
    white-space: nowrap;
}

.brand-symbol {
    display: inline-flex;
    width: 46px;
    height: 34px;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--teal);
    border-right-width: 7px;
    color: var(--teal-deep);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.06em;
}

.site-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 6px;
    flex-wrap: wrap;
}

.site-nav a {
    padding: 8px 11px;
    border-bottom: 2px solid transparent;
    color: var(--ink-soft);
    font-size: 15px;
    font-weight: 700;
    text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
    border-bottom-color: var(--teal);
    color: var(--teal-deep);
}

main {
    display: block;
}

.page-intro {
    border-bottom: 1px solid var(--line);
    background: var(--mist);
}

.intro-inner {
    padding: 58px 0 50px;
}

.intro-kicker {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
    color: var(--teal-deep);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.intro-kicker::before {
    content: "";
    width: 44px;
    height: 3px;
    background: var(--coral);
}

h1,
h2,
h3 {
    margin-top: 0;
    color: var(--ink);
    line-height: 1.14;
    letter-spacing: -0.025em;
}

h1 {
    margin-bottom: 24px;
    font-size: 40px;
}

h2 {
    margin-bottom: 18px;
    font-size: 28px;
}

h3 {
    margin-bottom: 10px;
    font-size: 20px;
}

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

.intro-copy {
    max-width: 920px;
}

.intro-copy p {
    color: #365f6e;
}

.cta-set {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.action-link {
    display: inline-flex;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    padding: 12px 19px;
    border: 2px solid var(--teal-deep);
    background: var(--teal-deep);
    color: var(--paper);
    font-size: 15px;
    font-weight: 800;
    text-decoration: none;
    transition: transform 120ms ease, background 120ms ease, border-color 120ms ease, color 120ms ease;
}

.action-link.secondary {
    background: var(--paper);
    color: var(--teal-deep);
}

.action-link:hover {
    border-color: var(--violet);
    background: var(--violet);
    color: var(--paper);
    transform: translateY(-1px);
}

.action-link:active {
    transform: translateY(1px);
}

.service-ledger {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-top: 34px;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.ledger-item {
    padding: 18px 18px 17px 0;
}

.ledger-item + .ledger-item {
    padding-left: 18px;
    border-left: 1px solid var(--line);
}

.ledger-item strong,
.ledger-item span {
    display: block;
}

.ledger-item strong {
    margin-bottom: 4px;
    color: var(--teal-deep);
    font-size: 17px;
}

.ledger-item span {
    color: var(--ink-soft);
    font-size: 14px;
    line-height: 1.45;
}

.rail-section {
    padding: 46px 0 48px;
}

.rail-section.alt {
    background: var(--violet-soft);
}

.rail-section.soft {
    background: var(--teal-soft);
}

.rail-heading {
    position: relative;
    display: flex;
    align-items: center;
    gap: 18px;
    margin-bottom: 24px;
}

.rail-heading::after {
    content: "";
    flex: 1;
    height: 2px;
    background: var(--line);
}

.rail-no {
    display: inline-flex;
    min-width: 72px;
    height: 34px;
    align-items: center;
    justify-content: center;
    background: var(--teal-deep);
    color: var(--paper);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.1em;
}

.rail-heading h2 {
    margin-bottom: 0;
}

.text-flow {
    max-width: 970px;
}

.device-register {
    margin-top: 26px;
    border-top: 1px solid var(--line);
}

.device-row {
    display: grid;
    grid-template-columns: minmax(190px, 0.42fr) minmax(0, 1fr);
    gap: 28px;
    padding: 18px 0;
    border-bottom: 1px solid var(--line);
}

.device-row h3,
.device-row p {
    margin-bottom: 0;
}

.device-row p {
    color: #426a77;
}

.inline-note {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 28px;
    align-items: center;
    margin-top: 26px;
    padding: 22px 24px;
    border-left: 5px solid var(--coral);
    background: var(--paper);
    box-shadow: var(--shadow);
}

.inline-note h3 {
    margin-bottom: 8px;
}

.inline-note p:last-child,
.text-flow p:last-child,
.intro-copy p:last-child {
    margin-bottom: 0;
}

.terms-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    margin-top: 28px;
    border: 1px solid var(--line);
    background: var(--paper);
}

.term {
    flex: 1 1 240px;
    padding: 20px 22px;
}

.term + .term {
    border-left: 1px solid var(--line);
}

.term strong,
.term span {
    display: block;
}

.term strong {
    margin-bottom: 5px;
    color: var(--violet);
    font-size: 17px;
}

.term span {
    color: var(--ink-soft);
    font-size: 14px;
}

.closing-band {
    padding: 42px 0 44px;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.closing-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.closing-copy {
    max-width: 700px;
}

.closing-copy h2 {
    margin-bottom: 10px;
}

.closing-copy p {
    margin-bottom: 0;
}

.local-note {
    padding: 24px 0;
}

.local-note p {
    margin: 0;
    color: #6a858e;
    font-size: 14px;
}

.site-footer {
    border-top: 1px solid var(--line);
    background: #eaf4f5;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 24px 0;
}

.footer-brand {
    color: var(--ink);
    font-size: 16px;
    font-weight: 800;
}

.footer-links {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--ink-soft);
    font-size: 14px;
    text-decoration: none;
}

.footer-links a:hover {
    color: var(--teal-deep);
    text-decoration: underline;
}

@media (max-width: 1024px) {
    .wrap {
        width: min(100% - 44px, 960px);
    }

    .intro-inner {
        padding: 50px 0 44px;
    }

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

    .ledger-item:nth-child(3) {
        padding-left: 0;
        border-left: 0;
        border-top: 1px solid var(--line);
    }

    .ledger-item:nth-child(4) {
        border-top: 1px solid var(--line);
    }
}

@media (max-width: 768px) {
    .wrap {
        width: min(100% - 36px, 720px);
    }

    .header-inner,
    .closing-inner,
    .footer-inner {
        align-items: flex-start;
        flex-direction: column;
    }

    .site-nav {
        justify-content: flex-start;
    }

    .rail-heading {
        align-items: flex-start;
        flex-wrap: wrap;
        gap: 12px;
    }

    .rail-heading::after {
        flex-basis: 100%;
    }

    .device-row {
        grid-template-columns: 1fr;
        gap: 7px;
    }

    .inline-note {
        grid-template-columns: 1fr;
    }

    .term + .term {
        border-left: 0;
        border-top: 1px solid var(--line);
    }
}

@media (max-width: 520px) {
    .wrap {
        width: min(100% - 28px, 492px);
    }

    .header-inner {
        gap: 14px;
        padding: 15px 0;
    }

    .site-nav {
        width: 100%;
        gap: 2px;
    }

    .site-nav a {
        padding: 7px 9px;
    }

    .intro-inner {
        padding: 40px 0 36px;
    }

    h1 {
        font-size: 40px;
    }

    h2 {
        font-size: 28px;
    }

    p {
        font-size: 16px;
    }

    .cta-set {
        flex-direction: column;
    }

    .action-link {
        width: 100%;
    }

    .service-ledger {
        grid-template-columns: 1fr;
    }

    .ledger-item,
    .ledger-item + .ledger-item,
    .ledger-item:nth-child(3),
    .ledger-item:nth-child(4) {
        padding: 15px 0;
        border-left: 0;
        border-top: 1px solid var(--line);
    }

    .ledger-item:first-child {
        border-top: 0;
    }

    .rail-section {
        padding: 38px 0 40px;
    }

    .rail-no {
        min-width: 62px;
    }

    .inline-note {
        padding: 20px;
    }
}

.location-group + .location-group {
    margin-top: 26px;
}

.location-group h3 {
    margin-bottom: 12px;
}

.location-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.location-buttons .action-link {
    min-height: 44px;
    padding: 10px 15px;
}

@media (max-width: 520px) {
    .location-buttons {
        flex-direction: column;
    }

    .location-buttons .action-link {
        width: 100%;
    }
}