:root {
    /* Brand core */
    --brand: #6E2C3A;
    --brand-dark: #5F2431;
    --brand-active: #4F1D28;
    --brand-soft: #F3E6E8;
    --brand-secondary: #B58A72;

    /* Backgrounds */
    --bg: #F8F3EE;
    --bg-soft: #FFFDF9;
    --surface: #FFFDF9;
    --surface-2: #F4EEE8;
    --bg-strong: #EFE6DD;
    --bg-inverse: #2A2220;

    /* Text */
    --text: #231E1B;
    --muted: #5D5149;
    --text-muted: #7A6D64;
    --text-accent: #6E2C3A;

    /* Borders */
    --border: #D8CCC0;
    --border-subtle: #E7DED5;
    --border-strong: #BDAE9F;
    --border-accent: #C9A9B0;

    /* States */
    --ok: #2D6A4F;
    --ok-soft: #E9F3EC;
    --danger-soft: #F7E5E5;
    --focus-ring: rgba(110, 44, 58, 0.28);
    --selection: #EFD7DC;

    /* Sizing */
    --radius-xl: 20px;
    --radius-lg: 16px;
    --radius-md: 12px;
    --shadow: 0 16px 48px rgba(42, 34, 32, 0.07);
    --shadow-sm: 0 8px 24px rgba(42, 34, 32, 0.06);

    /* Typography */
    --font-headline: "Cormorant Garamond", Georgia, "Times New Roman", serif;
    --font-body: "Inter", "Helvetica Neue", Arial, sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--text);
    background: var(--bg);
    font-family: var(--font-body);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

::selection {
    background: var(--selection);
}

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

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

.wrap {
    width: min(1160px, calc(100% - 36px));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 25;
    border-bottom: 1px solid var(--border-subtle);
    background: rgba(248, 243, 238, 0.88);
    backdrop-filter: blur(16px);
}

.header-inner {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 18px;
    align-items: center;
    padding: 16px 0;
}

.brand {
    color: var(--text);
    font-family: var(--font-headline);
    font-size: 1.58rem;
    font-weight: 700;
}

.site-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px 16px;
}

.site-nav a {
    color: var(--muted);
    font-size: 0.94rem;
    border-bottom: 2px solid transparent;
    padding-bottom: 2px;
}

.site-nav a[aria-current="page"] {
    color: var(--text);
    border-color: var(--brand);
}

.store-cta,
.primary-button,
.secondary-button,
.demo-option,
.demo-subject {
    border: 0;
    cursor: pointer;
    font: inherit;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    font-weight: 700;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.store-cta,
.primary-button {
    background: var(--brand);
    color: #FFFDF9;
    padding: 13px 20px;
    box-shadow: 0 6px 18px rgba(110, 44, 58, 0.18);
}

.store-cta:hover,
.primary-button:hover {
    transform: translateY(-1px);
    color: #FFFDF9;
    background: var(--brand-dark);
}

.store-cta-group,
.sidebar-store-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.header-store-ctas {
    justify-content: flex-end;
}

.store-cta-secondary {
    background: rgba(255, 255, 255, 0.75);
    color: var(--text);
    border: 1px solid var(--border);
    box-shadow: none;
}

.store-cta-secondary:hover {
    color: var(--text);
    background: #fff;
}

.secondary-button {
    padding: 12px 18px;
    border: 1px solid var(--border);
    color: var(--text);
    background: rgba(255, 255, 255, 0.75);
}

.secondary-button:hover {
    transform: translateY(-1px);
    background: #fff;
}

.block {
    width: 100%;
}

.hero-panel {
    padding: 76px 0 30px;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.32fr) minmax(280px, 0.68fr);
    gap: 26px;
}

.eyebrow {
    margin: 0 0 10px;
    color: var(--brand);
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 0.8rem;
    font-weight: 800;
}

h1,
h2,
h3 {
    margin: 0 0 12px;
    line-height: 1.08;
}

h1,
h2,
.site-footer h2 {
    font-family: var(--font-headline);
}

h1 {
    font-size: clamp(2.4rem, 4vw, 3.5rem);
    font-weight: 600;
    letter-spacing: -0.025em;
    max-width: 18ch;
}

h2 {
    font-size: clamp(1.5rem, 2.4vw, 2.2rem);
    font-weight: 600;
    letter-spacing: -0.02em;
}

h3 {
    font-size: 1.1rem;
    font-weight: 600;
    font-family: var(--font-body);
}

.lead {
    max-width: 64ch;
    color: var(--muted);
    font-size: 1.1rem;
}

.hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 22px;
}

.fact-card,
.trust-card,
.content-section,
.sidebar-card,
.status-card,
.question-demo-card,
.mock-card {
    background: var(--surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.fact-card {
    padding: 24px;
}

.microcopy {
    margin: 12px 0 0;
    color: var(--muted);
    font-size: 0.92rem;
}

.status-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin-bottom: 16px;
}

.status-card {
    padding: 24px;
}

.status-live {
    border-color: rgba(45, 106, 79, 0.3);
    background: var(--ok-soft);
}

.status-soon {
    border-color: var(--border-accent);
    background: var(--brand-soft);
}

.status-label {
    margin: 0 0 8px;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-weight: 800;
}

.trust-grid,
.trust-strip {
    display: grid;
    gap: 14px;
    margin: 18px auto 26px;
}

.trust-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.trust-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.trust-card {
    padding: 18px;
}

.demo-shell {
    margin-bottom: 24px;
}

.demo-heading {
    margin-bottom: 14px;
}

.demo-note {
    color: var(--muted);
    font-size: 0.92rem;
}

.demo-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 14px;
}

.demo-subject {
    padding: 9px 14px;
    border-radius: 999px;
    border: 1px solid var(--border);
    color: var(--muted);
    background: #fff;
    font-size: 0.9rem;
}

.demo-subject[aria-current="true"] {
    color: #fff;
    border-color: var(--brand);
    background: var(--brand);
}

.question-demo-card,
.mock-card {
    padding: 22px;
}

.demo-kicker {
    margin: 0 0 10px;
    color: var(--muted);
    font-size: 0.86rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.demo-options {
    display: grid;
    gap: 10px;
    margin-top: 16px;
}

.demo-option {
    justify-content: flex-start;
    text-align: left;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-subtle);
    background: var(--surface);
    color: var(--text);
    padding: 12px 16px;
    font-weight: 500;
}

.demo-option:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
    border-color: var(--border);
}

.demo-option.is-selected {
    border-color: var(--brand);
    background: var(--brand-soft);
}

.demo-option.is-correct {
    border-color: var(--ok);
    background: var(--ok-soft);
}

.demo-option.is-wrong {
    border-color: var(--brand);
    background: #fbe4e7;
}

.demo-feedback,
.demo-source {
    margin: 12px 0 0;
    color: var(--muted);
    font-size: 0.93rem;
}

.mock-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
}

#mock-timer {
    font-feature-settings: "tnum";
    font-variant-numeric: tabular-nums;
    color: var(--brand);
    font-weight: 700;
}

.mock-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 16px;
}

.content-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 20px;
    align-items: start;
    padding-bottom: 72px;
}

.page-content {
    display: grid;
    gap: 18px;
}

.content-section {
    padding: 28px;
}

.content-section p {
    margin: 0 0 12px;
    color: var(--muted);
}

.callout {
    margin-top: 12px;
    border-left: 3px solid var(--brand);
    background: #fff3f4;
    border-radius: 8px;
    padding: 12px 14px;
    color: #4e3431;
}

.bullet-list,
.related-links,
.site-footer ul {
    margin: 0;
    padding-left: 20px;
}

.bullet-list.compact li {
    margin-bottom: 5px;
}

.bullet-list li,
.related-links li,
.site-footer li {
    margin-bottom: 8px;
}

.faq-item {
    border: 1px solid var(--border-subtle);
    background: var(--surface);
    border-radius: var(--radius-md);
    padding: 16px;
    margin-top: 10px;
}

.faq-item summary {
    cursor: pointer;
    font-weight: 600;
}

.faq-item[open] {
    background: var(--brand-soft);
    border-color: var(--border-accent);
}

.faq-item p {
    margin: 10px 0 0;
}

.page-sidebar {
    display: grid;
    gap: 16px;
}

.sidebar-card {
    padding: 22px;
}

.sidebar-store-actions {
    margin-top: 14px;
}

.site-footer {
    border-top: 1px solid var(--border-subtle);
    background: var(--surface-2);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 20px;
    padding: 34px 0;
}

.site-footer p,
.site-footer li,
.site-footer a {
    color: var(--muted);
}

@media (max-width: 1050px) {
    .header-inner {
        grid-template-columns: auto;
        justify-items: start;
    }

    .site-nav {
        justify-content: flex-start;
    }

    .header-store-ctas {
        justify-content: flex-start;
    }

    .hero-grid,
    .content-layout {
        grid-template-columns: 1fr;
    }

    .trust-grid {
        grid-template-columns: 1fr;
    }

    .trust-strip {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .status-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 700px) {
    .hero-panel {
        padding-top: 46px;
    }

    .store-cta {
        width: 100%;
    }

    .store-cta-group,
    .sidebar-store-actions,
    .hero-actions,
    .mock-actions {
        flex-direction: column;
    }

    .hero-actions a,
    .mock-actions button,
    .store-cta-group a,
    .sidebar-store-actions a,
    .store-cta,
    .primary-button,
    .secondary-button {
        width: 100%;
    }

    .trust-strip,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .content-section,
    .question-demo-card,
    .mock-card,
    .status-card,
    .fact-card,
    .sidebar-card {
        padding: 20px;
        border-radius: 18px;
    }
}

/* Focus ring */
:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 2px;
}

/* Section spacing */
.section-block {
    padding: 56px 0 48px;
}

.section-block + .section-block {
    border-top: 1px solid var(--border-subtle);
}

.section-block.bg-muted {
    background: var(--surface-2);
}

/* Study path cards grid */
.paths-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-top: 20px;
}

.path-card {
    background: var(--surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

.path-card h3 {
    color: var(--text-accent);
    margin-bottom: 8px;
}

/* FLK columns */
.flk-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 20px;
}

.flk-card {
    background: var(--surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

.flk-card h3 {
    font-family: var(--font-headline);
    font-size: 1.35rem;
    color: var(--text-accent);
}

/* Platform status boxes */
.platform-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    margin-top: 20px;
}

/* Section CTA row */
.section-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 22px;
}

/* Closing CTA */
.closing-cta {
    text-align: center;
    padding: 56px 0;
}

.closing-cta h2 {
    max-width: 20ch;
    margin: 0 auto 12px;
}

.closing-cta p {
    max-width: 48ch;
    margin: 0 auto 24px;
    color: var(--muted);
}

/* Demo explanation */
.demo-explanation {
    margin: 14px 0 0;
    padding: 14px 16px;
    background: var(--ok-soft);
    border-left: 3px solid var(--ok);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    color: var(--text);
    font-size: 0.93rem;
    line-height: 1.6;
}

.demo-explanation.wrong {
    background: var(--danger-soft);
    border-left-color: var(--brand);
}

.demo-authority {
    margin: 10px 0 0;
    font-size: 0.86rem;
    color: var(--muted);
}

.demo-wrong-detail {
    margin: 8px 0 0;
    font-size: 0.9rem;
    color: var(--text);
}

/* Subtopic tabs */
.demo-subtopic-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 12px 0 4px;
}

.demo-subtopic-btn {
    font-size: 0.84rem;
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid var(--border-subtle);
    background: var(--surface);
    color: var(--muted);
    cursor: pointer;
    transition: all 0.15s;
    font-weight: 500;
}

.demo-subtopic-btn:hover {
    border-color: var(--brand);
    color: var(--brand);
}

.demo-subtopic-btn[aria-current="true"] {
    background: var(--brand);
    color: #fff;
    border-color: var(--brand);
}

/* Question navigation */
.demo-nav {
    display: flex;
    gap: 10px;
    margin-top: 16px;
    flex-wrap: wrap;
}

.demo-nav .small {
    font-size: 0.88rem;
    padding: 8px 16px;
}

.demo-qnum {
    margin: 0 0 4px;
    font-size: 0.82rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.demo-stats-bar {
    margin-top: 16px;
    padding: 10px 0;
    text-align: center;
    font-size: 0.88rem;
    color: var(--muted);
}

/* Option letter badge */
.opt-letter {
    display: inline-block;
    width: 24px;
    height: 24px;
    line-height: 24px;
    text-align: center;
    border-radius: 50%;
    background: var(--surface-2);
    color: var(--text);
    font-weight: 700;
    font-size: 0.78rem;
    margin-right: 8px;
    flex-shrink: 0;
}

.demo-option.is-correct .opt-letter {
    background: var(--ok);
    color: #fff;
}

.demo-option.is-wrong .opt-letter {
    background: var(--brand);
    color: #fff;
}

/* Mock exam info */
.mock-info {
    font-size: 0.9rem;
    color: var(--muted);
    margin-bottom: 18px;
    padding: 12px 16px;
    background: var(--surface-2);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--brand-secondary);
}

/* Mock result panel */
.mock-result-panel {
    margin-top: 20px;
}

.mock-summary h4 {
    margin: 24px 0 12px;
    font-family: var(--font-headline);
    font-size: 1.25rem;
    color: var(--text);
}

.mock-score-hero {
    text-align: center;
    padding: 28px 20px;
    border-radius: var(--radius-lg);
    margin-bottom: 8px;
}

.mock-score-hero.pass {
    background: var(--ok-soft);
    border: 2px solid var(--ok);
}

.mock-score-hero.fail {
    background: var(--danger-soft);
    border: 2px solid var(--brand);
}

.mock-score-num {
    font-family: var(--font-headline);
    font-size: 3rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.1;
}

.mock-score-pct {
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--muted);
}

.mock-score-verdict {
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 6px;
}

.mock-score-hero.pass .mock-score-verdict { color: var(--ok); }
.mock-score-hero.fail .mock-score-verdict { color: var(--brand); }

.mock-score-note {
    margin: 8px 0 0;
    font-size: 0.85rem;
    color: var(--muted);
}

/* Subject breakdown bars */
.mock-breakdown {
    display: grid;
    gap: 10px;
}

.mock-break-row {
    display: grid;
    grid-template-columns: 140px 50px 1fr;
    align-items: center;
    gap: 10px;
}

.mock-break-label {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mock-break-score {
    font-size: 0.85rem;
    color: var(--muted);
    font-weight: 600;
    text-align: center;
}

.mock-break-bar {
    height: 10px;
    background: var(--surface-2);
    border-radius: 5px;
    overflow: hidden;
}

.mock-break-fill {
    height: 100%;
    border-radius: 5px;
    transition: width 0.4s ease;
}

.mock-break-fill.bar-pass { background: var(--ok); }
.mock-break-fill.bar-fail { background: var(--brand); }

/* Mock review */
.mock-review {
    display: grid;
    gap: 16px;
}

.mock-review-item {
    padding: 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-subtle);
    background: var(--surface);
}

.mock-review-item.review-correct {
    border-left: 3px solid var(--ok);
}

.mock-review-item.review-wrong {
    border-left: 3px solid var(--brand);
}

.mock-review-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 0 0 8px;
    font-size: 0.9rem;
}

.mock-review-tag {
    font-size: 0.82rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 8px;
}

.review-correct .mock-review-tag { background: var(--ok-soft); color: var(--ok); }
.review-wrong .mock-review-tag { background: var(--danger-soft); color: var(--brand); }

.mock-review-q {
    font-size: 0.9rem;
    color: var(--text);
    margin: 0 0 8px;
    white-space: pre-line;
}

.mock-review-answer {
    font-size: 0.88rem;
    margin: 4px 0;
}

.mock-review-answer.correct-answer {
    color: var(--ok);
}

.mock-review-expl {
    margin: 10px 0 0;
    padding: 10px 12px;
    background: var(--surface-2);
    border-radius: var(--radius-md);
    font-size: 0.88rem;
    line-height: 1.6;
    color: var(--text);
}

.mock-cta-note {
    margin: 24px 0 0;
    text-align: center;
    font-size: 0.9rem;
    color: var(--muted);
    padding: 14px;
    background: var(--surface-2);
    border-radius: var(--radius-md);
}

/* Trust dots */
.trust-dots {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 14px;
    color: var(--muted);
    font-size: 0.88rem;
}

.trust-dots span::before {
    content: "✓ ";
    color: var(--ok);
    font-weight: 700;
}

@media (max-width: 1050px) {
    .paths-grid {
        grid-template-columns: 1fr;
    }

    .flk-grid,
    .platform-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 700px) {
    .section-block {
        padding: 36px 0 32px;
    }

    .section-actions {
        flex-direction: column;
    }

    .section-actions a {
        width: 100%;
    }
}