:root {
    --ink: #0A1F2B;
    --ink-2: #1E3944;
    --muted: #55707B;
    --muted-2: #8AA0A9;
    --line: #E2EAEE;
    --bg: #FAFBFC;
    --surface: #FFFFFF;
    --tint: #F1F7F8;
    --brand: #0E7C95;
    --brand-deep: #063647;
    --brand-ink: #052A38;
    --aqua: #12D6B5;
    --amber: #FFB703;
    --coral: #FF6B5E;
    --danger: #C0392B;
    --radius: 14px;
    --radius-lg: 22px;
    --radius-pill: 999px;
    --shadow-sm: 0 1px 2px rgba(6, 54, 71, .06), 0 2px 6px rgba(6, 54, 71, .04);
    --shadow: 0 10px 30px rgba(6, 54, 71, .08);
    --shadow-lg: 0 30px 80px rgba(6, 54, 71, .18);
    --font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-display: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --step-0: clamp(0.95rem, 0.9rem + 0.2vw, 1rem);
    --step-1: clamp(1.05rem, 1rem + 0.3vw, 1.125rem);
    --step-2: clamp(1.25rem, 1.1rem + 0.6vw, 1.5rem);
    --step-3: clamp(1.6rem, 1.3rem + 1vw, 2rem);
    --step-4: clamp(2rem, 1.5rem + 1.8vw, 2.75rem);
    --step-5: clamp(2.5rem, 1.8rem + 2.6vw, 3.75rem);
    --step-6: clamp(3rem, 2rem + 3.6vw, 4.75rem);
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    font-size: var(--step-0);
    line-height: 1.6;
    color: var(--ink);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

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

a {
    color: var(--brand);
    text-decoration: none;
}

a:hover {
    color: var(--brand-deep);
}

h1, h2, h3, h4 {
    font-family: var(--font-display);
    color: var(--ink);
    line-height: 1.15;
    letter-spacing: -0.015em;
    margin: 0 0 .5em;
}

h1 { font-size: var(--step-5); letter-spacing: -0.03em; }
h2 { font-size: var(--step-4); letter-spacing: -0.025em; }
h3 { font-size: var(--step-2); }
h4 { font-size: var(--step-1); }

p { margin: 0 0 1em; }

.container {
    width: min(1200px, 100% - 2.5rem);
    margin-inline: auto;
}

.visually-hidden {
    position: absolute;
    width: 1px; height: 1px;
    margin: -1px; padding: 0; border: 0;
    clip: rect(0 0 0 0); overflow: hidden;
    white-space: nowrap;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--brand-deep);
    color: #fff;
    padding: .5rem 1rem;
    z-index: 100;
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* ---------- Site header ---------- */
.site-header {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid var(--line);
    z-index: 40;
}
.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    min-height: 72px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: .6rem;
    color: var(--ink);
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: -0.02em;
}
.brand__mark { display: inline-flex; }
.brand--footer { color: #fff; }

.site-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}
.site-nav__list {
    list-style: none;
    margin: 0; padding: 0;
    display: flex;
    gap: 1.5rem;
}
.site-nav__link {
    color: var(--ink-2);
    font-weight: 500;
    font-size: .95rem;
    padding: .4rem 0;
    position: relative;
}
.site-nav__link:hover { color: var(--brand-deep); }
.site-nav__link.is-active {
    color: var(--brand-deep);
}
.site-nav__link.is-active::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: -22px;
    height: 2px;
    background: var(--brand);
    border-radius: 2px 2px 0 0;
}
.site-nav__cta {
    display: flex;
    gap: .5rem;
}

.nav-toggle {
    display: none;
    background: none;
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: .45rem;
    color: var(--ink);
    cursor: pointer;
}

/* ---------- Buttons ---------- */
.btn {
    --_bg: var(--brand);
    --_fg: #fff;
    --_border: transparent;
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    padding: .85rem 1.3rem;
    font-weight: 600;
    font-size: .95rem;
    background: var(--_bg);
    color: var(--_fg);
    border: 1px solid var(--_border);
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: transform .1s ease, background .15s ease, color .15s ease, box-shadow .15s ease;
    line-height: 1;
    white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow); color: var(--_fg); }
.btn:active { transform: translateY(0); }

.btn--primary { --_bg: var(--brand-deep); --_fg: #fff; }
.btn--primary:hover { --_bg: var(--brand-ink); }
.btn--amber { --_bg: var(--amber); --_fg: var(--brand-ink); }
.btn--amber:hover { --_bg: #ffca3a; }
.btn--ghost { --_bg: transparent; --_fg: var(--ink); --_border: var(--line); }
.btn--ghost:hover { --_bg: var(--tint); --_fg: var(--brand-deep); }
.btn--inverse { --_bg: #fff; --_fg: var(--brand-deep); }
.btn--inverse:hover { --_bg: var(--tint); }
.btn--link { --_bg: transparent; --_fg: var(--brand-deep); padding: 0; }
.btn--link:hover { --_fg: var(--brand); box-shadow: none; transform: none; }

.btn--lg { padding: 1.05rem 1.75rem; font-size: 1rem; }
.btn--sm { padding: .55rem .95rem; font-size: .875rem; }

.icon { flex: none; }

/* ---------- Sections ---------- */
section {
    padding-block: clamp(3.5rem, 6vw, 6rem);
}
.section--dark {
    background: var(--brand-ink);
    color: #D4E6EC;
}
.section--dark h1, .section--dark h2, .section--dark h3, .section--dark h4 { color: #fff; }
.section--tint { background: var(--tint); }

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--brand);
    font-weight: 600;
    font-size: .8rem;
}
.section--dark .eyebrow { color: var(--aqua); }

.section-head {
    max-width: 760px;
    margin-bottom: 2.5rem;
}
.section-head--center {
    margin-inline: auto;
    text-align: center;
}
.section-head p {
    color: var(--muted);
    font-size: var(--step-1);
}
.section--dark .section-head p { color: #A7C5CE; }

/* ---------- Hero ---------- */
.hero {
    position: relative;
    padding-block: clamp(4rem, 8vw, 7rem);
    background:
        radial-gradient(1200px 400px at 85% -10%, rgba(18, 214, 181, .18), transparent 60%),
        radial-gradient(900px 400px at -10% 100%, rgba(14, 124, 149, .18), transparent 60%),
        linear-gradient(160deg, #052A38 0%, #063647 55%, #0A4A5E 100%);
    color: #DEEDF1;
    overflow: hidden;
    isolation: isolate;
}
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, rgba(255, 255, 255, .035) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, .035) 1px, transparent 1px);
    background-size: 72px 72px;
    mask-image: radial-gradient(ellipse at 50% 40%, #000 40%, transparent 75%);
    z-index: -1;
}
.hero__grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 3rem;
    align-items: center;
}
.hero h1 { color: #fff; }
.hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    background: rgba(18, 214, 181, .12);
    color: var(--aqua);
    padding: .35rem .9rem;
    border-radius: var(--radius-pill);
    font-size: .82rem;
    font-weight: 600;
    letter-spacing: .04em;
    border: 1px solid rgba(18, 214, 181, .3);
}
.hero__eyebrow::before {
    content: "";
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--aqua);
    box-shadow: 0 0 0 4px rgba(18, 214, 181, .25);
}
.hero__lede {
    font-size: var(--step-2);
    color: #B7D1D9;
    max-width: 34ch;
    margin-block: 1.25rem 2rem;
}
.hero__ctas {
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
    margin-bottom: 2rem;
}
.hero__stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, .12);
    padding-top: 1.5rem;
    max-width: 520px;
}
.hero__stat .num {
    display: block;
    font-size: var(--step-3);
    color: #fff;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1;
}
.hero__stat .label {
    display: block;
    font-size: .85rem;
    color: #8CAEB8;
    margin-top: .4rem;
}

/* Hero visual panel */
.hero__panel {
    position: relative;
    background: linear-gradient(180deg, rgba(255, 255, 255, .08), rgba(255, 255, 255, .02));
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(6px);
}
.speed-card {
    background: #fff;
    color: var(--ink);
    border-radius: calc(var(--radius-lg) - 6px);
    padding: 1.5rem;
}
.speed-card__label {
    font-size: .8rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: .12em;
}
.speed-card__speed {
    display: flex;
    align-items: baseline;
    gap: .5rem;
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    margin: .2rem 0 .35rem;
}
.speed-card__speed small {
    font-size: 1rem;
    color: var(--muted);
    font-weight: 500;
}
.speed-card__meter {
    height: 8px;
    background: var(--tint);
    border-radius: 999px;
    overflow: hidden;
    margin-bottom: 1rem;
    position: relative;
}
.speed-card__meter::after {
    content: "";
    position: absolute;
    inset: 0;
    width: 82%;
    background: linear-gradient(90deg, var(--aqua), var(--brand));
    border-radius: 999px;
    animation: fillBar 2.4s ease-out .2s both;
}
@keyframes fillBar {
    from { width: 0; }
    to   { width: 82%; }
}
.speed-card__rows {
    display: grid;
    gap: .5rem;
    font-size: .9rem;
    color: var(--muted);
}
.speed-card__rows div {
    display: flex;
    justify-content: space-between;
}
.speed-card__rows strong {
    color: var(--ink);
    font-weight: 600;
}

.hero__badge {
    position: absolute;
    top: -18px;
    right: -18px;
    background: var(--amber);
    color: var(--brand-ink);
    padding: .6rem 1rem;
    border-radius: var(--radius-pill);
    font-weight: 700;
    font-size: .85rem;
    box-shadow: var(--shadow);
    transform: rotate(4deg);
}

/* ---------- Card grids ---------- */
.grid {
    display: grid;
    gap: 1.25rem;
}
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    box-shadow: var(--shadow-sm);
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
    border-color: #CDDEE2;
}
.section--dark .card {
    background: rgba(255, 255, 255, .04);
    border-color: rgba(255, 255, 255, .1);
    color: #CFE2E8;
    box-shadow: none;
}

.service-card__icon {
    width: 48px; height: 48px;
    border-radius: 12px;
    background: var(--tint);
    color: var(--brand-deep);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}
.section--dark .service-card__icon {
    background: rgba(18, 214, 181, .12);
    color: var(--aqua);
}
.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: .4rem;
}
.service-card__speeds {
    display: inline-block;
    font-size: .8rem;
    color: var(--brand-deep);
    background: var(--tint);
    padding: .25rem .75rem;
    border-radius: 999px;
    font-weight: 600;
    margin-top: .5rem;
}
.section--dark .service-card__speeds {
    color: var(--aqua);
    background: rgba(18, 214, 181, .1);
}

/* ---------- Features ---------- */
.features-grid .card {
    padding: 1.5rem;
}
.features-grid h3 {
    font-size: 1.1rem;
    margin-bottom: .3rem;
}
.features-grid .card p {
    color: var(--muted);
    margin: 0;
    font-size: .95rem;
}
.check-row {
    display: flex;
    gap: .5rem;
    align-items: flex-start;
    color: var(--muted);
}
.check-row .icon {
    color: var(--aqua);
    flex: none;
    margin-top: 2px;
}

/* ---------- Plan cards ---------- */
.plan {
    position: relative;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 2rem 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    box-shadow: var(--shadow-sm);
}
.plan--featured {
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(14, 124, 149, .1), var(--shadow);
}
.plan__badge {
    position: absolute;
    top: -14px;
    left: 1.5rem;
    background: var(--brand);
    color: #fff;
    padding: .3rem .9rem;
    border-radius: 999px;
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .05em;
    text-transform: uppercase;
}
.plan--featured .plan__badge { background: var(--brand-deep); }
.plan__name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--muted);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: .08em;
}
.plan__speed {
    font-size: var(--step-4);
    font-weight: 800;
    color: var(--ink);
    letter-spacing: -0.03em;
    margin: 0;
    line-height: 1;
}
.plan__blurb {
    color: var(--muted);
    font-size: .95rem;
    margin: 0;
    min-height: 2.8em;
}
.plan__price {
    display: flex;
    align-items: baseline;
    gap: .25rem;
    color: var(--brand-deep);
    font-weight: 700;
}
.plan__price .amount {
    font-size: 2.5rem;
    letter-spacing: -0.03em;
    line-height: 1;
}
.plan__price .cadence {
    color: var(--muted);
    font-weight: 500;
    font-size: .9rem;
}
.plan__perks {
    list-style: none;
    margin: 0; padding: 0;
    display: flex;
    flex-direction: column;
    gap: .5rem;
    font-size: .92rem;
    color: var(--ink-2);
}
.plan__perks li {
    display: flex;
    gap: .5rem;
    align-items: flex-start;
}
.plan__perks .icon { color: var(--aqua); flex: none; margin-top: 2px; }
.plan .btn { margin-top: auto; justify-content: center; width: 100%; }

/* ---------- Coverage ---------- */
.coverage-form {
    display: flex;
    gap: .5rem;
    flex-wrap: wrap;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-pill);
    padding: .4rem .4rem .4rem 1.25rem;
    box-shadow: var(--shadow);
    max-width: 640px;
    align-items: center;
}
.coverage-form input {
    border: none;
    outline: none;
    flex: 1;
    min-width: 200px;
    padding: .9rem .25rem;
    font: inherit;
    color: var(--ink);
    background: transparent;
}
.coverage-form input::placeholder { color: var(--muted-2); }

.coverage-form--dark {
    background: rgba(255, 255, 255, .08);
    border-color: rgba(255, 255, 255, .2);
}
.coverage-form--dark input { color: #fff; }
.coverage-form--dark input::placeholder { color: rgba(255, 255, 255, .6); }

.coverage-result {
    margin-top: 1.5rem;
    padding: 1.5rem;
    border-radius: var(--radius);
    background: #fff;
    border: 1px solid var(--line);
    max-width: 640px;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    box-shadow: var(--shadow-sm);
}
.coverage-result--ok { border-color: var(--aqua); }
.coverage-result--soft { border-color: var(--amber); }
.coverage-result__badge {
    width: 40px; height: 40px;
    border-radius: 50%;
    background: var(--aqua);
    color: #053A34;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: none;
    font-weight: 800;
}
.coverage-result--soft .coverage-result__badge {
    background: var(--amber);
    color: var(--brand-ink);
}
.coverage-result h3 { margin: 0 0 .3rem; font-size: 1.05rem; }
.coverage-result p { margin: 0; color: var(--muted); }

.markets {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}
.market {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
}
.market h3 {
    font-size: 1rem;
    margin-bottom: .5rem;
    display: flex;
    align-items: center;
    gap: .5rem;
    color: var(--brand-deep);
}
.market ul {
    list-style: none;
    margin: 0; padding: 0;
    color: var(--muted);
    font-size: .92rem;
    display: grid;
    gap: .25rem;
}

/* ---------- Testimonials ---------- */
.quote {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.section--dark .quote {
    background: rgba(255, 255, 255, .04);
    border-color: rgba(255, 255, 255, .08);
}
.quote blockquote {
    font-size: 1.05rem;
    color: var(--ink);
    margin: 0;
    line-height: 1.55;
    font-style: normal;
}
.section--dark .quote blockquote { color: #fff; }
.quote cite {
    color: var(--muted);
    font-style: normal;
    font-size: .9rem;
}
.section--dark .quote cite { color: var(--muted-2); }
.quote__avatar {
    width: 44px; height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--aqua), var(--brand));
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

/* ---------- FAQ ---------- */
.faq {
    display: grid;
    gap: .5rem;
    max-width: 820px;
}
.faq details {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.1rem 1.4rem;
    transition: box-shadow .15s;
}
.faq details[open] {
    box-shadow: var(--shadow);
    border-color: #CDDEE2;
}
.faq summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--ink);
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
    content: "+";
    font-size: 1.4rem;
    color: var(--muted);
    font-weight: 400;
    transition: transform .2s;
}
.faq details[open] summary::after {
    content: "–";
    color: var(--brand);
}
.faq p {
    color: var(--muted);
    margin: .8rem 0 0;
}

/* ---------- CTA banner ---------- */
.cta-banner {
    background:
        radial-gradient(800px 300px at 80% 20%, rgba(18, 214, 181, .25), transparent 65%),
        linear-gradient(135deg, #063647, #0A4A5E);
    color: #fff;
    padding: clamp(3rem, 6vw, 5rem) clamp(1.5rem, 4vw, 3rem);
    border-radius: var(--radius-lg);
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 2rem;
    align-items: center;
    box-shadow: var(--shadow-lg);
}
.cta-banner h2 { color: #fff; }
.cta-banner p { color: #BCD4DB; font-size: var(--step-1); margin: .5rem 0 1.5rem; }
.cta-banner__actions { display: flex; gap: .75rem; flex-wrap: wrap; }
.cta-banner__visual {
    display: flex;
    justify-content: flex-end;
}

/* ---------- Contact / Forms ---------- */
.form-stack {
    display: grid;
    gap: 1rem;
    max-width: 560px;
}
.form-stack label {
    display: block;
    font-size: .85rem;
    font-weight: 600;
    color: var(--ink-2);
    margin-bottom: .35rem;
}
.form-stack input,
.form-stack select,
.form-stack textarea {
    width: 100%;
    padding: .85rem 1rem;
    border: 1px solid var(--line);
    border-radius: 12px;
    font: inherit;
    color: var(--ink);
    background: #fff;
    transition: border-color .15s, box-shadow .15s;
}
.form-stack input:focus,
.form-stack select:focus,
.form-stack textarea:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(14, 124, 149, .15);
}
.form-stack textarea {
    min-height: 140px;
    resize: vertical;
}
.form-row {
    display: grid;
    gap: 1rem;
    grid-template-columns: 1fr 1fr;
}
.form-note {
    color: var(--muted);
    font-size: .85rem;
}
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    background: #E8F8F3;
    border: 1px solid var(--aqua);
    color: #043F38;
    margin-bottom: 1.25rem;
}
.alert--amber {
    background: #FFF5DF;
    border-color: var(--amber);
    color: #5A3E00;
}

/* ---------- Split layouts ---------- */
.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}
.split__media {
    background: linear-gradient(160deg, #0A4A5E, #12D6B5);
    border-radius: var(--radius-lg);
    min-height: 340px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    box-shadow: var(--shadow-lg);
    padding: 2rem;
    position: relative;
    overflow: hidden;
}
.split__media::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, .25), transparent 40%),
                      radial-gradient(circle at 70% 70%, rgba(0, 0, 0, .18), transparent 45%);
    pointer-events: none;
}

/* Tower illustration block */
.tower-illus {
    position: relative;
    width: 100%;
    max-width: 320px;
    aspect-ratio: 1;
}
.tower-illus .ring {
    position: absolute;
    inset: 0;
    border: 2px solid rgba(255, 255, 255, .25);
    border-radius: 50%;
    animation: pulse 3s ease-out infinite;
}
.tower-illus .ring:nth-child(2) { animation-delay: .75s; }
.tower-illus .ring:nth-child(3) { animation-delay: 1.5s; }
@keyframes pulse {
    0% { transform: scale(.6); opacity: .8; }
    100% { transform: scale(1.2); opacity: 0; }
}
.tower-illus svg {
    position: relative;
    width: 50%;
    margin: 25% auto 0;
}

/* ---------- Metrics strip ---------- */
.metrics {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.5rem;
    padding: 2rem;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-top: -80px;
    position: relative;
    z-index: 2;
}
.metric .num {
    font-size: var(--step-3);
    font-weight: 800;
    color: var(--brand-deep);
    letter-spacing: -.02em;
    line-height: 1;
    display: block;
}
.metric .label {
    color: var(--muted);
    font-size: .9rem;
    margin-top: .4rem;
    display: block;
}

/* ---------- Site footer ---------- */
.site-footer {
    background: var(--brand-ink);
    color: #9FB6BD;
    padding: 4rem 0 2rem;
}
.site-footer a { color: #CFE0E5; }
.site-footer a:hover { color: #fff; }
.site-footer h4 {
    color: #fff;
    font-size: .9rem;
    letter-spacing: .08em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}
.site-footer__grid {
    display: grid;
    grid-template-columns: 1.2fr 2fr;
    gap: 3rem;
    padding-bottom: 2.5rem;
}
.site-footer__cols {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}
.site-footer__cols ul {
    list-style: none;
    margin: 0; padding: 0;
    display: grid;
    gap: .55rem;
    font-size: .95rem;
}
.site-footer__promise {
    color: #9FB6BD;
    margin: 1rem 0;
    max-width: 32ch;
}
.site-footer__contact {
    font-size: .95rem;
}
.site-footer__contact a { font-weight: 500; }
.site-footer__legal {
    border-top: 1px solid rgba(255, 255, 255, .08);
    padding-top: 1.5rem;
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    font-size: .82rem;
    color: #7E959C;
}
.site-footer__legal p { margin: 0; }
.site-footer__fineprint { max-width: 60ch; }

/* ---------- Blog ---------- */
.post-tag {
    display: inline-block;
    background: var(--tint);
    color: var(--brand-deep);
    font-size: .72rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    font-weight: 700;
    padding: .3rem .7rem;
    border-radius: 999px;
}
.post-tag--muted {
    background: #EEF3F5;
    color: var(--muted);
}
.post-tag--light {
    background: rgba(18, 214, 181, .14);
    color: var(--aqua);
}
.post-meta {
    color: var(--muted);
    font-size: .85rem;
}

.post-feature {
    display: block;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: clamp(1.75rem, 4vw, 3rem);
    box-shadow: var(--shadow-sm);
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    color: inherit;
}
.post-feature:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
    border-color: #CDDEE2;
    color: inherit;
}
.post-feature__meta {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}
.post-feature__title {
    font-size: var(--step-4);
    letter-spacing: -0.025em;
    margin: 0 0 .75rem;
    max-width: 22ch;
}
.post-feature__dek {
    color: var(--muted);
    font-size: var(--step-1);
    max-width: 60ch;
    margin: 0 0 1.75rem;
}
.post-feature__byline {
    display: flex;
    align-items: center;
    gap: .85rem;
    color: var(--muted);
    font-size: .9rem;
}
.post-feature__byline strong {
    color: var(--ink);
    display: block;
    font-size: .95rem;
}
.post-feature__cta {
    margin-left: auto;
    color: var(--brand-deep);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: .25rem;
}
.post-feature:hover .post-feature__cta { color: var(--brand); }

.post-card {
    display: flex;
    flex-direction: column;
    gap: .9rem;
    padding: 1.6rem;
}
.post-card__meta {
    display: flex;
    gap: .75rem;
    align-items: center;
    justify-content: space-between;
}
.post-card__title {
    font-size: 1.2rem;
    line-height: 1.3;
    margin: 0;
}
.post-card__title a {
    color: var(--ink);
}
.post-card__title a:hover { color: var(--brand); }
.post-card__dek {
    color: var(--muted);
    margin: 0;
    font-size: .95rem;
    flex: 1;
}
.post-card__byline {
    display: flex;
    justify-content: space-between;
    gap: .5rem;
    font-size: .82rem;
    color: var(--muted-2);
    border-top: 1px solid var(--line);
    padding-top: .85rem;
}

/* ---------- Article ---------- */
.article__hero {
    background:
        radial-gradient(900px 320px at 85% 0%, rgba(18, 214, 181, .18), transparent 60%),
        linear-gradient(160deg, #052A38 0%, #063647 60%, #0A4A5E 100%);
    color: #DEEDF1;
    padding-block: clamp(3rem, 6vw, 5rem);
    border-bottom: 1px solid rgba(255, 255, 255, .06);
}
.article__hero h1 {
    color: #fff;
    max-width: 22ch;
    margin: 1rem 0 1rem;
}
.article__hero-inner {
    max-width: 780px;
}
.crumbs {
    margin-bottom: 1.5rem;
    font-size: .9rem;
}
.crumbs a {
    color: #A7C5CE;
}
.crumbs a:hover { color: #fff; }
.article__dek {
    font-size: var(--step-2);
    color: #B7D1D9;
    max-width: 58ch;
    margin: 0 0 2rem;
}
.article__byline {
    display: flex;
    align-items: center;
    gap: .85rem;
    color: #A7C5CE;
    font-size: .9rem;
    border-top: 1px solid rgba(255, 255, 255, .1);
    padding-top: 1.25rem;
}
.article__byline strong {
    color: #fff;
    display: block;
}

.article__body {
    max-width: 720px;
    padding-block: clamp(3rem, 6vw, 5rem);
    font-size: 1.075rem;
    line-height: 1.75;
    color: var(--ink-2);
}
.article__body h2 {
    font-size: var(--step-3);
    margin-top: 2.75rem;
    margin-bottom: 1rem;
    color: var(--ink);
}
.article__body h2:first-of-type { margin-top: 2rem; }
.article__body p {
    margin: 0 0 1.25rem;
}
.article__body p strong {
    color: var(--ink);
}
.article__body em { color: var(--ink); font-style: italic; }
.article__lede {
    font-size: var(--step-1);
    color: var(--ink);
    border-left: 3px solid var(--aqua);
    padding-left: 1.25rem;
    margin: 0 0 2rem;
}
.article__pull {
    border: none;
    margin: 2.25rem 0;
    padding: 1.5rem 1.75rem;
    background: var(--tint);
    border-left: 4px solid var(--brand);
    border-radius: 0 var(--radius) var(--radius) 0;
    font-size: var(--step-2);
    line-height: 1.45;
    color: var(--brand-deep);
    font-weight: 500;
    letter-spacing: -0.01em;
}
.article__tags {
    display: flex;
    gap: .5rem;
    flex-wrap: wrap;
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--line);
}

/* ---------- Utilities ---------- */
.stack > * + * { margin-top: 1rem; }
.stack-lg > * + * { margin-top: 2rem; }
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-lg { margin-top: 2rem; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
    .hero__grid { grid-template-columns: 1fr; gap: 2.5rem; }
    .grid--3, .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .split { grid-template-columns: 1fr; gap: 2rem; }
    .metrics { grid-template-columns: repeat(2, 1fr); margin-top: -40px; }
    .site-footer__grid { grid-template-columns: 1fr; gap: 2rem; }
    .cta-banner { grid-template-columns: 1fr; }
    .cta-banner__visual { justify-content: flex-start; }
}

@media (max-width: 720px) {
    .site-nav {
        display: none;
        position: absolute;
        top: 72px; left: 0; right: 0;
        background: #fff;
        border-bottom: 1px solid var(--line);
        box-shadow: var(--shadow);
        flex-direction: column;
        align-items: stretch;
        padding: 1rem 1.25rem 1.5rem;
        gap: 1rem;
    }
    .site-nav.is-open { display: flex; }
    .site-nav__list {
        flex-direction: column;
        gap: .25rem;
    }
    .site-nav__link {
        display: block;
        padding: .75rem 0;
        border-bottom: 1px solid var(--line);
    }
    .site-nav__link.is-active::after { display: none; }
    .site-nav__cta { flex-direction: column; }
    .site-nav__cta .btn { width: 100%; justify-content: center; }
    .nav-toggle { display: inline-flex; }

    .grid--3, .grid--4, .grid--2 { grid-template-columns: 1fr; }
    .metrics { grid-template-columns: 1fr 1fr; margin-top: 0; }
    .post-feature__byline { flex-wrap: wrap; }
    .post-feature__cta { margin-left: 0; }
    .hero__stats { grid-template-columns: 1fr 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .site-footer__cols { grid-template-columns: 1fr 1fr; }
    .site-footer__legal { flex-direction: column; gap: .75rem; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation: none !important;
        transition: none !important;
    }
}