:root {
    --paper: #ffffff;
    --paper-soft: #f8f8f6;
    --ink: #111111;
    --ink-soft: #444444;
    --line: #d5d6d1;
    --line-strong: #acafa4;
    --olive: #566b2f;
    --olive-soft: #eef2e3;
    --shadow: 0 18px 40px rgba(17, 17, 17, 0.08);
    --radius-xl: 28px;
    --radius-lg: 18px;
    --radius-md: 14px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Segoe UI Variable", "Trebuchet MS", sans-serif;
    color: var(--ink);
    background:
        radial-gradient(circle at top left, rgba(255, 255, 255, 0.92), transparent 24%),
        linear-gradient(180deg, #ececeb 0%, #dde0dc 52%, #d4d6d2 100%);
}

a {
    color: inherit;
    text-decoration: none;
}

#home,
#sals,
#umthethx {
    scroll-margin-top: 24px;
}

.site-layout {
    width: min(1680px, calc(100% - 28px));
    margin: 20px auto 42px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 24px;
    align-items: start;
}

.content-shell {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.site-header,
.hero-panel,
.builder-card,
.support-card,
.result-shell,
.alert {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
}

.topbar__inner {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 10px 24px;
    border-radius: 999px;
    background: #000000;
    color: #ffffff;
    font-size: 0.84rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.site-header {
    padding: 22px 28px;
}

.brand-block {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 16px;
    min-width: 0;
}

.brand-mark {
    flex: 0 0 84px;
    width: 84px;
    height: 84px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    border: 1px solid var(--line);
    background: linear-gradient(180deg, #ffffff 0%, #f2f3ee 100%);
}

.brand-logo {
    width: 70px;
    height: 70px;
}

.logo-branch,
.logo-scale,
.logo-scale-light {
    fill: none;
}

.logo-branch {
    stroke: var(--olive);
    stroke-width: 3.5;
}

.logo-leaf-fill {
    fill: rgba(86, 107, 47, 0.22);
    stroke: var(--olive);
    stroke-width: 1.5;
}

.logo-scale {
    stroke: #111111;
    stroke-width: 4;
}

.logo-scale-light {
    stroke: #111111;
    stroke-width: 2.6;
}

.brand-copy {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.brand-name,
.hero-copy h1,
.section-heading h2,
.preview-card h2,
.result-shell h2,
.support-card h2,
.result-sources h3 {
    font-family: Georgia, "Book Antiqua", "Palatino Linotype", serif;
    letter-spacing: -0.02em;
}

.brand-name {
    font-size: clamp(1.8rem, 2vw, 2.4rem);
    font-weight: 700;
}

.brand-tagline {
    color: var(--ink-soft);
    line-height: 1.5;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.site-nav a {
    padding: 11px 18px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: #ffffff;
    font-size: 0.95rem;
    font-weight: 700;
    transition: border-color 160ms ease, color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
    transform: translateY(-1px);
    border-color: var(--ink);
    color: var(--olive);
    box-shadow: 0 10px 24px rgba(17, 17, 17, 0.08);
    outline: none;
}

.hero-panel {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(320px, 0.78fr);
    gap: 24px;
    padding: 32px;
}

.hero-copy h1,
.section-heading h2,
.preview-card h2,
.result-shell h2,
.support-card h2,
.result-sources h3 {
    margin: 0;
}

.hero-copy h1 {
    max-width: 13ch;
    font-size: clamp(2.4rem, 4.4vw, 4.8rem);
    line-height: 0.96;
}

.eyebrow {
    margin: 0 0 12px;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--olive);
}

.hero-text,
.upload-subtitle,
.upload-files,
.helper-text,
.field-block label,
.support-card p,
.support-list,
.result-meta,
.result-sources li,
.preview-card p {
    color: var(--ink-soft);
}

.hero-text {
    max-width: 66ch;
    margin: 18px 0 0;
    font-size: 1.04rem;
    line-height: 1.75;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-top: 28px;
}

.stat-card,
.preview-card,
.result-card,
.result-sources {
    border: 1px solid var(--line);
    background: #ffffff;
}

.stat-card {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 18px;
    border-radius: var(--radius-md);
}

.stat-value {
    font-size: 1.06rem;
    font-weight: 800;
    color: var(--ink);
}

.stat-label {
    line-height: 1.55;
}

.hero-preview {
    display: flex;
}

.preview-card {
    width: 100%;
    padding: 24px;
    border-radius: calc(var(--radius-xl) - 8px);
}

.preview-pill {
    display: inline-flex;
    margin: 14px 0 16px;
    padding: 8px 12px;
    border-radius: 999px;
    background: var(--olive-soft);
    color: var(--olive);
    font-size: 0.84rem;
    font-weight: 700;
}

.preview-detail {
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid var(--line);
}

.detail-label {
    display: inline-block;
    margin-bottom: 8px;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--olive);
}

.alert-stack {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.alert {
    padding: 16px 18px;
    color: #781919;
    border-color: #ddb8b8;
    background: #fff4f4;
}

.workspace-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.48fr) minmax(300px, 0.64fr);
    gap: 24px;
}

.builder-card,
.support-card,
.result-shell {
    padding: 28px;
}

.section-heading {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 18px;
}

.section-heading.compact {
    margin-top: 0;
}

.section-heading h2 {
    font-size: 1.55rem;
}

.upload-zone {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 24px;
    border: 1px dashed var(--line-strong);
    border-radius: var(--radius-lg);
    background: #ffffff;
    cursor: pointer;
    transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.upload-zone:hover {
    transform: translateY(-1px);
    border-color: var(--olive);
    box-shadow: 0 14px 28px rgba(17, 17, 17, 0.06);
}

.upload-zone input {
    display: none;
}

.upload-title {
    font-size: 1.04rem;
    font-weight: 700;
    color: var(--ink);
}

.upload-files {
    font-size: 0.92rem;
}

.field-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.field-block {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 18px;
}

.field-block label {
    font-size: 0.92rem;
    font-weight: 700;
}

textarea,
input[type="text"],
select {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #ffffff;
    color: var(--ink);
    font: inherit;
    transition: border-color 140ms ease, box-shadow 140ms ease;
}

textarea:focus,
input[type="text"]:focus,
select:focus {
    outline: none;
    border-color: var(--olive);
    box-shadow: 0 0 0 4px rgba(86, 107, 47, 0.12);
}

textarea {
    resize: vertical;
    min-height: 150px;
}

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

.prompt-card {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-height: 170px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: #ffffff;
    cursor: pointer;
    transition: transform 150ms ease, border-color 150ms ease, box-shadow 150ms ease;
}

.prompt-card:hover {
    transform: translateY(-2px);
    border-color: var(--olive);
    box-shadow: 0 16px 30px rgba(17, 17, 17, 0.06);
}

.prompt-card.is-active {
    border-color: var(--ink);
    box-shadow: 0 18px 34px rgba(17, 17, 17, 0.08);
}

.prompt-card input {
    display: none;
}

.prompt-number {
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--olive);
}

.prompt-name {
    font-size: 1rem;
    font-weight: 700;
}

.prompt-category,
.result-meta span {
    display: inline-flex;
    width: fit-content;
    padding: 7px 11px;
    border-radius: 999px;
    background: var(--olive-soft);
    color: var(--olive);
    font-size: 0.8rem;
    font-weight: 700;
}

.prompt-card p {
    margin: 0;
    line-height: 1.6;
    color: var(--ink-soft);
}

.builder-footer {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 24px;
}

.primary-button,
.secondary-button {
    appearance: none;
    border-radius: 999px;
    padding: 14px 22px;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
    transition: transform 150ms ease, box-shadow 150ms ease, opacity 150ms ease;
}

.primary-button {
    width: fit-content;
    border: none;
    color: #ffffff;
    background: linear-gradient(135deg, #111111, #4d612b);
    box-shadow: 0 14px 28px rgba(17, 17, 17, 0.18);
}

.secondary-button {
    border: 1px solid var(--line);
    background: #ffffff;
    color: var(--ink);
}

.primary-button:hover,
.secondary-button:hover {
    transform: translateY(-1px);
}

.primary-button.is-loading {
    opacity: 0.84;
    cursor: progress;
}

.support-column {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.support-card {
    border-radius: var(--radius-xl);
}

.support-list {
    margin: 0;
    padding-left: 20px;
    line-height: 1.75;
}

.support-highlight {
    margin: 0 0 12px;
    font-size: 1.12rem;
    font-weight: 700;
    color: var(--ink);
}

.support-copy {
    margin-bottom: 12px;
    line-height: 1.7;
}

.result-shell {
    margin-top: 0;
}

.result-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 18px;
}

.result-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.result-layout {
    display: grid;
    grid-template-columns: minmax(220px, 0.38fr) minmax(0, 1fr);
    gap: 18px;
}

.result-sources,
.result-card {
    padding: 20px;
    border-radius: var(--radius-lg);
}

.result-sources ul {
    margin: 16px 0 0;
    padding-left: 18px;
    line-height: 1.7;
}

.result-card pre {
    margin: 0;
    white-space: pre-wrap;
    word-break: break-word;
    line-height: 1.72;
    font-family: "Consolas", "Courier New", monospace;
    font-size: 0.95rem;
    color: #242424;
}

.ad-rail {
    position: sticky;
    top: 20px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.ad-slot {
    width: 300px;
    max-width: 100%;
    border: 2px solid #b7b9bc;
    border-radius: 18px;
    background: transparent;
    display: grid;
    place-items: center;
    text-align: center;
    color: #676a6e;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    font-size: 0.8rem;
    font-weight: 700;
}

.ad-slot span {
    line-height: 1.8;
}

.ad-slot--small {
    min-height: 250px;
}

.ad-slot--tall {
    min-height: 600px;
}

@media (max-width: 1380px) {
    .site-layout {
        grid-template-columns: 1fr;
    }

    .ad-rail {
        position: static;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 1100px) {
    .brand-block,
    .hero-panel,
    .workspace-grid,
    .result-layout {
        grid-template-columns: 1fr;
    }

    .brand-block {
        display: grid;
    }

    .hero-copy h1 {
        max-width: none;
    }
}

@media (max-width: 760px) {
    .site-layout {
        width: min(1680px, calc(100% - 16px));
        margin: 12px auto 28px;
    }

    .site-header,
    .hero-panel,
    .builder-card,
    .support-card,
    .result-shell {
        padding: 20px;
        border-radius: 22px;
    }

    .topbar__inner {
        width: 100%;
        text-align: center;
        padding-inline: 16px;
    }

    .brand {
        align-items: flex-start;
    }

    .brand-tagline {
        font-size: 0.94rem;
    }

    .hero-stats,
    .field-row,
    .prompt-grid {
        grid-template-columns: 1fr;
    }

    .site-nav,
    .result-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .site-nav a,
    .primary-button,
    .secondary-button,
    .ad-slot {
        width: 100%;
    }

    .ad-rail {
        flex-direction: column;
    }

    .ad-slot--tall {
        min-height: 420px;
    }
}