:root {
    --bg: #111312;
    --panel: #1a1d1c;
    --panel-strong: #222625;
    --line: #3a3f3c;
    --line-soft: #2b302e;
    --text: #f3f1ea;
    --muted: #b9b6aa;
    --subtle: #8e918a;
    --accent: #caa765;
    --accent-dark: #8d733e;
    --steel: #aeb6b2;
    --danger: #e4b3a8;
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0) 34rem),
        radial-gradient(circle at 18% 0%, rgba(202, 167, 101, 0.16), transparent 28rem),
        var(--bg);
    color: var(--text);
    min-height: 100vh;
}

a {
    color: inherit;
}

.site-header,
.site-footer {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.site-header {
    padding: 22px 0 14px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.brand-mark {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(202, 167, 101, 0.55);
    background: linear-gradient(145deg, #303431, #161817);
    color: var(--accent);
    font-weight: 800;
    letter-spacing: 0;
}

.brand strong,
.brand small {
    display: block;
}

.brand small,
.demo-nav a,
.eyebrow {
    color: var(--muted);
}

.demo-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: flex-end;
}

.demo-nav a {
    border: 1px solid var(--line-soft);
    padding: 8px 11px;
    text-decoration: none;
    background: rgba(26, 29, 28, 0.74);
    font-size: 0.9rem;
}

main {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
}

.hero {
    min-height: 420px;
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
    gap: 28px;
    align-items: end;
    padding: 64px 0 34px;
}

.eyebrow {
    margin: 0 0 10px;
    text-transform: uppercase;
    font-weight: 800;
    font-size: 0.76rem;
    letter-spacing: 0.12em;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    max-width: 760px;
    margin-bottom: 18px;
    font-size: clamp(3rem, 8vw, 5.8rem);
    line-height: 0.95;
    letter-spacing: 0;
}

h2 {
    margin-bottom: 10px;
    font-size: clamp(1.45rem, 3vw, 2.2rem);
    line-height: 1.05;
}

h3 {
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.lede {
    color: var(--muted);
    max-width: 680px;
    font-size: 1.13rem;
    line-height: 1.65;
}

.hero-panel,
.input-panel,
.output-panel,
.estimate-card,
.business-band,
.cta-band {
    border: 1px solid var(--line);
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.015)),
        var(--panel);
    box-shadow: var(--shadow);
}

.hero-panel {
    padding: 26px;
}

.hero-panel span,
.hero-panel strong {
    display: block;
}

.hero-panel span {
    color: var(--muted);
    line-height: 1.6;
    margin-bottom: 16px;
}

.workspace {
    display: grid;
    grid-template-columns: minmax(300px, 0.95fr) minmax(0, 1.25fr);
    gap: 24px;
    align-items: start;
}

.input-panel,
.output-panel {
    padding: 22px;
}

.output-panel {
    min-height: 720px;
}

.panel-heading {
    display: flex;
    align-items: start;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 18px;
}

label,
label span {
    display: block;
    color: var(--steel);
    font-weight: 700;
    font-size: 0.92rem;
}

textarea,
input,
select {
    width: 100%;
    margin-top: 8px;
    border: 1px solid var(--line);
    background: #101211;
    color: var(--text);
    padding: 13px 14px;
    font: inherit;
    outline: none;
}

textarea {
    resize: vertical;
    line-height: 1.55;
}

textarea:focus,
input:focus,
select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(202, 167, 101, 0.16);
}

.field-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
    margin: 16px 0;
}

.warning {
    color: var(--danger);
    border-left: 3px solid var(--accent-dark);
    padding-left: 12px;
    line-height: 1.5;
    font-size: 0.92rem;
}

button,
.primary-button,
.secondary-button {
    border: 0;
    cursor: pointer;
    color: var(--text);
    font: inherit;
    font-weight: 800;
    text-decoration: none;
}

.primary-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    width: 100%;
    padding: 13px 18px;
    background: linear-gradient(180deg, #d1b06d, #9c7d3f);
    color: #111312;
}

.primary-button:disabled {
    opacity: 0.62;
    cursor: progress;
}

.secondary-button {
    flex: 0 0 auto;
    min-height: 38px;
    padding: 9px 13px;
    border: 1px solid var(--line);
    background: #151716;
}

.loading[hidden] {
    display: none !important;
}

.loading {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--muted);
    padding: 20px;
    border: 1px solid var(--line-soft);
    background: rgba(0, 0, 0, 0.18);
}

.loader {
    width: 24px;
    height: 24px;
    border: 3px solid var(--line);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.result-state {
    display: grid;
    gap: 14px;
}

.estimate-card {
    padding: 18px;
}

.estimate-card p,
.estimate-card li {
    color: var(--muted);
    line-height: 1.55;
}

.estimate-card ul {
    margin: 0;
    padding-left: 19px;
}

.estimate-card li + li {
    margin-top: 8px;
}

.line-items {
    display: grid;
    gap: 10px;
}

.line-item {
    display: grid;
    grid-template-columns: 0.55fr 1fr 0.55fr;
    gap: 12px;
    padding: 12px;
    border: 1px solid var(--line-soft);
    background: rgba(255, 255, 255, 0.025);
}

.line-item strong,
.line-item span {
    min-width: 0;
}

.line-note {
    color: var(--accent);
    font-weight: 800;
}

.status-pill {
    display: inline-flex;
    margin-bottom: 10px;
    padding: 7px 9px;
    border: 1px solid rgba(202, 167, 101, 0.45);
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.disclaimer {
    border-color: rgba(202, 167, 101, 0.68);
    background: rgba(202, 167, 101, 0.08);
}

.business-band,
.cta-band {
    margin-top: 24px;
    padding: 28px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: center;
}

.business-band p,
.cta-band p {
    color: var(--muted);
    line-height: 1.6;
}

.cta-band {
    margin-bottom: 30px;
}

.cta-link {
    width: auto;
    justify-self: end;
}

.site-footer {
    color: var(--subtle);
    border-top: 1px solid var(--line-soft);
    padding: 24px 0 34px;
    font-size: 0.9rem;
}

@media (max-width: 920px) {
    .site-header,
    .site-footer,
    .hero,
    .workspace,
    .business-band,
    .cta-band {
        grid-template-columns: 1fr;
    }

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

    .hero {
        min-height: auto;
        padding-top: 34px;
    }

    .output-panel {
        min-height: 0;
    }

    .line-item {
        grid-template-columns: 1fr;
    }

    .cta-link {
        justify-self: stretch;
    }
}

@media print {
    body {
        background: #fff;
        color: #111;
    }

    .site-header,
    .hero,
    .input-panel,
    .business-band,
    .cta-band,
    .site-footer,
    .secondary-button,
    .loading {
        display: none !important;
    }

    main,
    .workspace {
        width: 100%;
        display: block;
    }

    .output-panel,
    .estimate-card {
        border: 1px solid #ccc;
        box-shadow: none;
        background: #fff;
        color: #111;
    }

    .estimate-card p,
    .estimate-card li {
        color: #222;
    }
}