:root {
    --ink: #0b1630;
    --text: #475467;
    --muted: #667085;
    --line: #e4e9f2;
    --bg: #ffffff;
    --soft: #f3f6fb;
    --navy: #0b1630;
    --navy-2: #111f3f;
    --navy-line: rgba(255, 255, 255, 0.09);
    --blue: #2563eb;
    --blue-2: #1d4ed8;
    --blue-soft: #e8efff;
    --sky: #93c5fd;
    --shadow: 0 18px 40px rgba(11, 22, 48, 0.08);
    --sans: "Inter", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--text);
    background: var(--bg);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 {
    color: var(--ink);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.12;
    margin: 0;
}
p { margin: 0; }
.shell { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }
.narrow { width: min(820px, calc(100% - 40px)); }
.skip {
    position: absolute;
    left: 12px;
    top: -40px;
    background: var(--blue);
    color: #fff;
    padding: 8px 12px;
    z-index: 30;
}
.skip:focus { top: 12px; }

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
}
.header-bar { display: flex; align-items: center; justify-content: space-between; min-height: 68px; gap: 20px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-mark { width: 36px; height: 36px; flex: none; }
.brand strong { display: block; color: var(--ink); font-size: 17px; font-weight: 800; letter-spacing: -0.02em; line-height: 1.1; }
.brand em { display: block; font-style: normal; color: var(--muted); font-size: 12px; font-weight: 500; }
.brand-light strong { color: #fff; }
.brand-light em { color: #8a98b8; }
.site-nav { display: flex; align-items: center; gap: 2px; }
.site-nav > a, .nav-drop > a {
    text-decoration: none;
    padding: 8px 14px;
    border-radius: 8px;
    color: var(--text);
    font-size: 15px;
    font-weight: 500;
}
.site-nav > a:hover, .nav-drop > a:hover { color: var(--ink); }
.site-nav a.is-active { color: var(--blue); }
.nav-cta { background: var(--blue) !important; color: #fff !important; margin-left: 10px; font-weight: 600 !important; }
.nav-cta:hover { background: var(--blue-2) !important; }
.nav-drop { position: relative; }
.nav-drop-panel {
    position: absolute;
    top: 100%;
    left: 0;
    width: 240px;
    padding: 8px;
    margin-top: 6px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: var(--shadow);
    display: none;
}
.nav-drop:hover .nav-drop-panel, .nav-drop:focus-within .nav-drop-panel { display: grid; }
.nav-drop-panel a { display: grid; text-decoration: none; padding: 10px 12px; border-radius: 8px; color: var(--ink); font-weight: 600; font-size: 14px; }
.nav-drop-panel a:hover { background: var(--soft); }
.nav-drop-panel small { color: var(--muted); font-weight: 400; font-size: 12px; }
.nav-toggle { display: none; border: 1px solid var(--line); background: #fff; border-radius: 8px; padding: 8px 14px; font: inherit; font-weight: 600; }

/* Type & buttons */
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 14px;
    color: var(--blue);
    font-size: 12px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-weight: 700;
}
.eyebrow-light { color: var(--sky); }
.dot { width: 7px; height: 7px; border-radius: 50%; background: #60a5fa; box-shadow: 0 0 0 4px rgba(96, 165, 250, 0.2); }
h1 { font-size: clamp(38px, 5.4vw, 64px); font-weight: 800; }
h2 { font-size: clamp(28px, 3.3vw, 40px); }
h3 { font-size: 18px; }
.lede { margin-top: 18px; font-size: 18px; color: var(--muted); max-width: 60ch; }
.lede.light { color: #a9b6d3; }
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    border-radius: 8px;
    padding: 13px 22px;
    font: inherit;
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    transition: background .15s ease, transform .15s ease;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-2); }
.btn-link-light { color: #dbe4f7; padding-left: 8px; padding-right: 8px; }
.btn-link-light:hover { color: #fff; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 32px; }
.text-link { display: inline-block; margin-top: 28px; color: var(--blue); font-weight: 600; text-decoration: none; }
.text-link:hover { text-decoration: underline; }

.icon { width: 22px; height: 22px; flex: none; }
.icon-box { width: 46px; height: 46px; border-radius: 10px; background: var(--blue-soft); color: var(--blue); display: grid; place-items: center; flex: none; }

/* Hero */
.hero, .page-hero {
    background:
        radial-gradient(800px 420px at 85% -10%, rgba(37, 99, 235, 0.35), transparent 60%),
        linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 100%);
    color: #a9b6d3;
}
.hero { padding: 110px 0 100px; }
.hero h1, .page-hero h1 { color: #fff; }
.hero-note { margin-top: 36px; padding-top: 22px; border-top: 1px solid var(--navy-line); color: #7d8cb0; font-size: 14px; max-width: 560px; }
.page-hero { padding: 84px 0 76px; }
.page-hero-grid, .contact-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; }
.audience { margin-top: 16px; color: var(--sky); font-weight: 600; }

/* Sections */
.section { padding: 96px 0; }
.section-soft { background: var(--soft); }
.section-dark { background: var(--navy); color: #a9b6d3; }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-head { max-width: 640px; margin-bottom: 44px; }
.section-head > p:last-child:not(.eyebrow) { margin-top: 14px; color: var(--muted); font-size: 17px; }
.section-dark .section-head > p:last-child:not(.eyebrow) { color: #a9b6d3; }

.card-grid { display: grid; gap: 20px; }
.card-grid.three { grid-template-columns: repeat(3, 1fr); }
.card-grid.two { grid-template-columns: repeat(2, 1fr); }

.line-card, .svc-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 28px;
}
.card-no { display: block; color: var(--blue); font-size: 13px; font-weight: 700; letter-spacing: 0.06em; margin-bottom: 18px; }
.line-card h3, .svc-card h3 { margin-bottom: 10px; }
.svc-card h3 { margin-top: 20px; }
.line-card p, .svc-card p { color: var(--muted); font-size: 15px; }

/* Products */
.prod-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 14px;
    overflow: hidden;
    text-decoration: none;
    transition: transform .2s ease, box-shadow .2s ease;
}
.prod-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.prod-body { display: flex; flex-direction: column; flex: 1; padding: 24px; }
.prod-body .tag { align-self: flex-start; color: var(--blue); font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.prod-body h3 { font-size: 21px; margin: 8px 0 8px; }
.prod-body p { color: var(--muted); font-size: 15px; }
.prod-body .more { margin-top: auto; padding-top: 18px; color: var(--blue); font-weight: 600; font-size: 15px; }
.ticks { list-style: none; padding: 0; margin: 16px 0 0; display: grid; gap: 8px; }
.ticks li { display: flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 500; font-size: 14px; }
.ticks .icon { width: 17px; height: 17px; color: var(--blue); stroke-width: 2.4; }

/* Product mock previews */
.mock {
    background: linear-gradient(160deg, #13234a, var(--navy));
    padding: 20px;
    min-height: 168px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    color: #c9d4ee;
    font-size: 13px;
}
.mock-rate-meter { background: linear-gradient(160deg, #eef3ff, #dfe8fb); color: var(--ink); }
.mock-top { display: flex; justify-content: space-between; align-items: center; }
.mock-top b { color: #fff; font-weight: 600; }
.mock-rate-meter .mock-top b { color: var(--ink); }
.mock-top em { font-style: normal; color: var(--sky); font-weight: 600; }
.mock-rate-meter .mock-top em { color: #16a34a; }
.mock-rows { display: grid; gap: 8px; }
.mock-rows span { height: 10px; border-radius: 4px; background: rgba(255, 255, 255, 0.12); }
.mock-rows span:nth-child(2) { width: 82%; }
.mock-rows span:nth-child(3) { width: 64%; }
.mock-keys { display: flex; gap: 8px; margin-top: auto; }
.mock-keys i { flex: 1; text-align: center; font-style: normal; font-weight: 600; background: var(--blue); color: #fff; border-radius: 6px; padding: 6px 0; }
.mock-tables { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.mock-tables i { font-style: normal; text-align: center; font-weight: 600; padding: 12px 0; border-radius: 8px; background: rgba(255, 255, 255, 0.08); }
.mock-tables i.on { background: var(--blue); color: #fff; }
.mock-tables i.bill { background: #f59e0b; color: #1f1300; }
.mock-meter { display: grid; gap: 10px; background: #fff; border-radius: 10px; padding: 14px; box-shadow: 0 6px 16px rgba(11, 22, 48, 0.08); }
.mock-meter strong { font-size: 24px; color: var(--ink); letter-spacing: -0.02em; }
.mock-meter .bar { height: 8px; border-radius: 99px; background: var(--blue-soft); overflow: hidden; }
.mock-meter .bar i { display: block; width: 62%; height: 100%; background: var(--blue); }
.mock-meter small { color: var(--muted); }
.mock-lg .mock { border-radius: 16px; min-height: 260px; padding: 28px; font-size: 15px; border: 1px solid var(--navy-line); box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3); }
.mock-lg .mock-top b { font-size: 18px; }
.mock-lg .mock-tables i { padding: 22px 0; }

/* Industries */
.industry-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.industry-row div {
    display: flex;
    align-items: center;
    gap: 14px;
    background: var(--soft);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 20px;
    color: var(--ink);
    font-weight: 600;
    font-size: 15px;
}
.industry-row .icon { width: 26px; height: 26px; color: var(--blue); }

/* Steps (dark) */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.steps.four { grid-template-columns: repeat(4, 1fr); }
.steps li { background: rgba(255, 255, 255, 0.04); border: 1px solid var(--navy-line); border-radius: 12px; padding: 28px; }
.steps .card-no { color: var(--sky); }
.steps h3 { margin-bottom: 10px; }
.steps p { color: #a9b6d3; font-size: 15px; }

/* Stack */
.stack { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.stack-row { display: grid; grid-template-columns: 200px 1fr; align-items: center; border-top: 1px solid var(--line); }
.stack-row:first-child { border-top: 0; }
.stack-row strong { padding: 20px 24px; color: var(--ink); background: var(--soft); height: 100%; display: flex; align-items: center; border-right: 1px solid var(--line); }
.stack-row div { display: flex; flex-wrap: wrap; gap: 8px; padding: 16px 24px; }
.stack-row span { border: 1px solid var(--line); border-radius: 999px; padding: 5px 14px; color: var(--ink); font-weight: 500; font-size: 14px; }

/* CTA */
.cta-section {
    background:
        radial-gradient(700px 360px at 15% 0%, rgba(37, 99, 235, 0.3), transparent 60%),
        var(--navy);
    padding: 96px 0;
    color: #a9b6d3;
}
.cta-section h2 { color: #fff; }
.cta-boxes { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 40px; }
.cta-box {
    display: grid;
    gap: 6px;
    text-decoration: none;
    border-radius: 12px;
    padding: 28px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--navy-line);
    transition: transform .15s ease;
}
.cta-box:hover { transform: translateY(-2px); }
.cta-box span { color: #8a98b8; font-size: 14px; }
.cta-box strong { color: #fff; font-size: 22px; letter-spacing: -0.02em; }
.cta-box.is-primary { background: var(--blue); border-color: var(--blue); }
.cta-box.is-primary span { color: #dbe6ff; }

/* Contact */
.contact-grid { align-items: start; }
.contact-info { list-style: none; margin: 32px 0 0; padding: 0; display: grid; gap: 16px; }
.contact-info li { display: flex; align-items: center; gap: 14px; }
.contact-info .icon-box { background: rgba(255, 255, 255, 0.08); color: var(--sky); }
.contact-info strong { display: block; color: #fff; }
.contact-info span { color: #a9b6d3; }
.contact-info a { color: var(--sky); }
.form-card { background: #fff; border-radius: 14px; padding: 30px; box-shadow: 0 30px 60px rgba(0, 0, 0, 0.25); color: var(--text); }
form { display: grid; gap: 14px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
label { display: grid; gap: 6px; font-size: 14px; font-weight: 600; color: var(--ink); }
input, select, textarea { width: 100%; border: 1px solid var(--line); background: #fff; border-radius: 8px; padding: 12px 14px; font: inherit; font-weight: 400; color: var(--ink); }
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 3px solid rgba(37, 99, 235, 0.18); border-color: var(--blue); }
.field-error { color: #d92d20; margin: -6px 0 0; font-size: 14px; }
.form-success h2 { font-size: 28px; }
.form-success p { margin: 10px 0 20px; color: var(--muted); }
.hp { position: absolute; left: -9999px; height: 0; overflow: hidden; }

/* Footer */
.site-footer { background: #070f22; color: #8a98b8; padding: 64px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; }
.footer-grid p { margin-top: 14px; max-width: 34ch; font-size: 15px; }
.footer-grid h2 { color: #fff; font-size: 14px; font-weight: 600; letter-spacing: 0; margin-bottom: 14px; }
.footer-grid a:not(.brand) { display: block; text-decoration: none; padding: 4px 0; font-size: 15px; }
.footer-grid a:not(.brand):hover { color: #fff; }
.footer-base { display: flex; justify-content: space-between; gap: 12px; margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--navy-line); font-size: 14px; }

@media (max-width: 1024px) {
    .card-grid.three, .steps.four { grid-template-columns: repeat(2, 1fr); }
    .industry-row { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 880px) {
    .nav-toggle { display: inline-flex; }
    .site-nav {
        display: none;
        position: absolute;
        top: 68px;
        left: 20px;
        right: 20px;
        flex-direction: column;
        align-items: stretch;
        background: #fff;
        border: 1px solid var(--line);
        border-radius: 12px;
        padding: 10px;
        box-shadow: var(--shadow);
    }
    .site-nav.is-open { display: flex; }
    .nav-drop-panel { position: static; display: grid; width: auto; box-shadow: none; border: 0; padding: 0 0 0 10px; margin: 0; }
    .nav-cta { margin: 6px 0 0; text-align: center; }
    .page-hero-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .steps { grid-template-columns: 1fr; }
    .hero { padding: 72px 0; }
    .section, .cta-section { padding: 68px 0; }
    .stack-row { grid-template-columns: 1fr; }
    .stack-row strong { border-right: 0; border-bottom: 1px solid var(--line); padding: 14px 20px; }
}

@media (max-width: 620px) {
    .card-grid.three, .card-grid.two, .steps.four, .industry-row, .cta-boxes, .form-row, .footer-grid { grid-template-columns: 1fr; }
    .footer-base { flex-direction: column; }
}