:root {
    --orange: #ff6600;
    --ink: #111827;
    --muted: #687589;
    --line: #e3e8ef;
    --bg: #f5f7fa;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font: 16px/1.5 system-ui, -apple-system, Segoe UI, Arial, sans-serif;
}

.container {
    max-width: 1140px;
    margin: auto;
    padding: 0 24px;
}

/* Site header and navigation */
.site-header {
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
}

.nav {
    min-height: 86px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--ink);
    text-decoration: none;
    font-size: clamp(16px, 1.8vw, 23px);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.5px;
}

.brand strong {
    color: var(--orange);
}

.brand small {
    display: block;
    font-size: 11px;
    color: var(--muted);
    font-weight: 400;
    margin-top: 5px;
}

.brand-mark {
    display: grid;
    place-items: center;
    background: var(--orange);
    color: #fff;
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    border-radius: 11px;
    font-size: 25px;
}

.nav nav {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.nav nav a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 15px;
    text-decoration: none;
    color: #445064;
    font-size: 14px;
    font-weight: 700;
    border: 1px solid var(--line);
    border-radius: 9px;
}

.nav nav a.active,
.nav nav a:hover {
    color: var(--orange);
    background: #fff1e9;
    border-color: #ffddca;
}

.nav-icon {
    color: var(--orange);
    font-size: 21px;
    line-height: 1;
}

/* Hero banner */
.hero {
    display: flex;
    align-items: center;
    min-height: 300px;
    color: #fff;
    background-color: #172234;
    background-image:
        linear-gradient(90deg, rgba(9, 24, 45, 0.94), rgba(9, 24, 45, 0.67) 45%, rgba(9, 24, 45, 0.10)),
        var(--hero-image);
    background-size: cover;
    background-position: center;
}

.hero-inner {
    width: 100%;
    padding-top: 60px;
    padding-bottom: 60px;
}

.eyebrow {
    font-size: 11px;
    letter-spacing: 0.16em;
    color: #ffb88d;
    font-weight: 800;
}

.hero h1 {
    max-width: 690px;
    margin: 8px 0;
    font-size: clamp(30px, 4vw, 48px);
    font-weight: 850;
    line-height: 1.12;
    letter-spacing: -1px;
}

.hero-orange {
    color: var(--orange);
}

.hero p {
    margin: 0;
    color: #e5ebf4;
    max-width: 620px;
    font-size: 17px;
    line-height: 1.7;
}

/* Main content */
.main {
    padding-top: 32px;
    padding-bottom: 65px;
}

.panel,
.paycalc details,
.paycalc .card,
.paycalc-seo,
.info-box {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 22px;
    box-shadow: 0 5px 22px rgba(20, 35, 55, 0.055);
}

.panel {
    max-width: 720px;
    margin: auto;
}

.panel h2 {
    margin: 0 0 8px;
}

.panel p {
    color: var(--muted);
}

label,
.paycalc label {
    display: block;
    font-size: 14px;
    font-weight: 650;
    margin: 12px 0 6px;
}

.paycalc input:not([type=checkbox]),
.paycalc select,
.panel input,
.panel select,
.panel textarea {
    display: block;
    width: 100%;
    padding: 11px 12px;
    margin: 6px 0 12px;
    border: 1px solid #cbd4e0;
    border-radius: 9px;
    background: #fff;
    color: var(--ink);
    font: inherit;
    font-size: 15px;
}

.paycalc input:focus,
.paycalc select:focus,
.panel input:focus,
.panel select:focus,
.panel textarea:focus {
    outline: 2px solid rgba(255, 102, 0, 0.25);
    border-color: var(--orange);
}

.paycalc input[type=checkbox] {
    width: auto;
    display: inline-block;
    margin-right: 8px;
}

/* Calculator */
.paycalc {
    max-width: 860px;
    margin: auto;
}

.paycalc details {
    margin: 14px 0;
}

.paycalc details details {
    box-shadow: none;
    background: #fafbfd;
}

.paycalc summary {
    color: var(--ink);
    font-weight: 800;
    cursor: pointer;
    font-size: 17px;
}

.paycalc summary::marker {
    color: var(--orange);
}

.paycalc .grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    margin-top: 14px;
}

.paycalc .row2 {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.paycalc-header {
    text-align: center;
    margin-bottom: 18px;
}

.paycalc-header p {
    margin: 5px;
}

.paycalc-header .subtitle {
    font-size: 16px;
}

.paycalc-header .update-note,
.paycalc .hint {
    font-size: 12px;
    color: var(--muted);
}

.info-box {
    max-width: 860px;
    margin: 0 auto 14px;
}

/* Buttons */
.paycalc button,
.panel button,
.button {
    display: inline-block;
    border: 0;
    border-radius: 10px;
    background: var(--orange);
    color: #fff;
    padding: 13px 22px;
    font-weight: 800;
    font-size: 15px;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s, transform 0.2s;
}

.paycalc button:hover,
.panel button:hover,
.button:hover {
    background: #e85c00;
    transform: translateY(-1px);
}

.paycalc .btnbar {
    padding: 12px 0;
}

.paycalc .btnbar button {
    width: 100%;
}

.button.secondary {
    background: #25354b;
}

/* Results */
.paycalc table {
    border-collapse: collapse;
    width: 100%;
}

.paycalc th,
.paycalc td {
    padding: 10px 4px;
    border-bottom: 1px solid var(--line);
}

.paycalc td:last-child {
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.paycalc .neg {
    color: #c53d37;
}

.paycalc .totrow {
    font-weight: 800;
    font-size: 18px;
}

.paycalc .totrow:last-child {
    color: var(--orange);
    font-size: 22px;
}

.paycalc-seo {
    max-width: 860px;
    margin: 30px auto;
    color: var(--muted);
}

.paycalc-seo h3 {
    color: var(--ink);
}

/* Feedback and notifications */
.alert {
    padding: 14px;
    border-radius: 9px;
    margin: 12px 0;
}

.alert.error {
    background: #ffeded;
    color: #8f2020;
}

.alert.success {
    background: #e6f7ee;
    color: #176a3e;
}

.hidden-field {
    position: absolute;
    left: -10000px;
}

.contact form {
    margin-top: 18px;
}

.footer {
    background: #172234;
    color: #bdc7d5;
    padding: 24px 0;
    font-size: 13px;
    text-align: center;
}

/* Mobile layout */
@media (max-width: 700px) {
    .container {
        padding-left: 16px;
        padding-right: 16px;
    }

    .nav {
        min-height: auto;
        align-items: flex-start;
        flex-direction: column;
        padding-top: 14px;
        padding-bottom: 10px;
        gap: 10px;
    }

    .brand {
        font-size: 18px;
    }

    .brand-mark {
        width: 40px;
        height: 40px;
    }

    .nav nav {
        width: 100%;
        justify-content: space-between;
        gap: 2px;
    }

    .nav nav a {
        font-size: 12px;
        padding: 9px 7px;
        gap: 4px;
    }

    .nav-icon {
        font-size: 16px;
    }

    .hero {
        min-height: 230px;
    }

    .hero-inner {
        padding-top: 42px;
        padding-bottom: 42px;
    }

    .hero h1 {
        font-size: 30px;
    }

    .hero p {
        font-size: 14px;
    }

    .main {
        padding-top: 18px;
    }

    .panel,
    .paycalc details,
    .paycalc .card,
    .paycalc-seo {
        padding: 16px;
    }

    .paycalc .row2 {
        gap: 10px;
    }

    .paycalc input:not([type=checkbox]),
    .paycalc select {
        padding: 11px 8px;
        font-size: 16px;
    }

    .paycalc label {
        font-size: 13px;
    }

    .paycalc .totrow:last-child {
        font-size: 19px;
    }
}