/* ============================================================
   THE CURE CLOCK -- Cold Authority Design System
   Version 2.0 | April 2026
   ============================================================
   Single source of truth for all styles.
   Color or font change? Edit the :root block. Done.
   ============================================================ */

/* --- Design Tokens --- */
:root {
    /* Palette */
    --bg-page: #050508;
    --bg-card: #1A1A2E;
    --bg-border: #2A2A40;
    --text-primary: #E8E6E1;
    --text-secondary: #7A7A8C;
    --brand-primary: #2E86DE;
    --brand-hover: #5BA3E6;
    --color-alert: #E74C3C;
    --color-accent: #2ECC71;

    /* Typography */
    --font-display: 'Inter', sans-serif;
    --font-data: 'JetBrains Mono', monospace;
    --font-body: 'Source Serif 4', Georgia, serif;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* Layout */
    --max-width-content: 900px;
    --max-width-wide: 1200px;
}


/* --- Reset --- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}


/* --- Base --- */
body {
    background-color: var(--bg-page);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
}

h1, h2, h3, h4 {
    font-family: var(--font-display);
}

a {
    color: var(--brand-primary);
    text-decoration: none;
    transition: color 0.2s;
}

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

strong {
    color: var(--brand-primary);
    font-weight: 600;
}

p {
    margin-bottom: var(--space-md);
    color: var(--text-primary);
    line-height: 1.8;
}

.mono {
    font-family: var(--font-data);
}


/* ============================================================
   NAVIGATION
   ============================================================ */
.site-nav {
    background-color: var(--bg-page);
    border-bottom: 1px solid var(--bg-card);
    padding: var(--space-lg) var(--space-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-nav__logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text-primary);
    text-decoration: none;
    margin-right: auto;
}

.site-nav__logo:hover {
    color: var(--text-primary);
}

.site-nav__logo svg {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
}

.site-nav__links {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.site-nav__link {
    color: var(--text-primary);
    text-decoration: none;
    font-family: var(--font-display);
    font-weight: 500;
    margin-left: var(--space-xl);
    border: 1px solid transparent;
    padding: var(--space-sm) 0.75rem;
    transition: border-color 0.2s;
}

.site-nav__link:hover {
    color: var(--text-primary);
    border-color: var(--brand-primary);
}


/* ============================================================
   HERO -- Homepage
   ============================================================ */
.hero {
    padding: var(--space-3xl) var(--space-xl);
    text-align: center;
    border-bottom: 1px solid var(--bg-card);
}

.hero__number {
    font-size: 4rem;
    font-weight: 700;
    color: var(--color-accent);
    font-family: var(--font-data);
    margin-bottom: var(--space-md);
    letter-spacing: -2px;
}

.hero__subheading {
    font-size: 1.5rem;
    font-family: var(--font-display);
    margin-bottom: var(--space-md);
    font-weight: 600;
    color: var(--text-primary);
}

.hero__copy {
    font-size: 1.1rem;
    max-width: 700px;
    margin: var(--space-lg) auto var(--space-xl);
    color: var(--text-secondary);
    line-height: 1.7;
}


/* ============================================================
   HERO -- Disease Pages
   ============================================================ */
.disease-hero {
    padding: var(--space-2xl) var(--space-xl);
    border-bottom: 1px solid var(--bg-card);
}

.disease-hero__title {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: var(--space-xl);
    color: var(--text-primary);
}

.disease-hero__stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}


/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
    display: inline-block;
    background-color: var(--brand-primary);
    color: var(--text-primary);
    border: none;
    padding: 0.875rem var(--space-xl);
    font-family: var(--font-display);
    font-weight: 600;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.2s;
    text-decoration: none;
}

.btn:hover {
    background-color: var(--brand-hover);
    color: var(--text-primary);
}


/* ============================================================
   CARDS & SURFACES
   ============================================================ */
.card {
    background-color: var(--bg-card);
    padding: var(--space-xl);
    border: 1px solid var(--bg-border);
}

.card--hover:hover {
    border-color: var(--text-secondary);
}


/* ============================================================
   STAT BOX
   ============================================================ */
.stat-box {
    background-color: var(--bg-card);
    padding: var(--space-xl);
    border: 1px solid var(--bg-border);
}

.stat-box__value {
    font-family: var(--font-data);
    font-size: 2.2rem;
    color: var(--color-accent);
    font-weight: 700;
    margin-bottom: var(--space-sm);
    line-height: 1.2;
}

.stat-box__label {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-family: var(--font-display);
}


/* ============================================================
   DISEASE CARDS -- Homepage Grid
   ============================================================ */
.disease-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
    max-width: var(--max-width-wide);
    margin: 0 auto;
}

.disease-card__name {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.disease-card__stat {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-md);
    font-size: 0.95rem;
}

.disease-card__value {
    font-family: var(--font-data);
    color: var(--brand-primary);
    font-weight: 600;
}

.disease-card__label {
    color: var(--text-secondary);
}

.disease-card__proximity {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--bg-border);
}

.proximity-bar {
    background-color: var(--bg-border);
    height: 8px;
    margin-bottom: var(--space-sm);
    position: relative;
    overflow: hidden;
}

.proximity-bar__fill {
    height: 100%;
    background-color: var(--brand-primary);
}

.proximity-bar__label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.disease-card__link {
    display: inline-block;
    margin-top: var(--space-md);
    color: var(--brand-primary);
    text-decoration: none;
    font-weight: 600;
    font-family: var(--font-display);
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s;
}

.disease-card__link:hover {
    color: var(--brand-hover);
    border-bottom-color: var(--brand-hover);
}


/* ============================================================
   SECTIONS
   ============================================================ */
.section {
    padding: var(--space-2xl) var(--space-xl);
    border-bottom: 1px solid var(--bg-card);
}

.section--surface {
    background-color: var(--bg-card);
}

.section__title {
    font-size: 2rem;
    font-family: var(--font-display);
    font-weight: 700;
    margin-bottom: var(--space-xl);
    text-align: center;
}


/* ============================================================
   CONTENT -- Article/About Pages
   ============================================================ */
.content {
    max-width: var(--max-width-content);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.content__section {
    padding: var(--space-2xl) 0;
    border-bottom: 1px solid var(--bg-card);
}

.content__section:last-of-type {
    border-bottom: none;
}

.content h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: var(--space-lg);
    color: var(--text-primary);
}

.content h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin: var(--space-lg) 0 0.75rem 0;
    color: var(--text-primary);
}

/* About page specific */
.content h2.content__title--large {
    font-size: 2.2rem;
}

.mission-statement {
    font-size: 1.4rem;
    font-family: var(--font-data);
    color: var(--color-accent);
    margin-bottom: var(--space-lg);
    line-height: 1.5;
}


/* ============================================================
   HOW IT WORKS -- Steps Grid
   ============================================================ */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xl);
    max-width: 1000px;
    margin: 0 auto;
}

.step {
    padding: var(--space-lg);
}

.step__number {
    font-family: var(--font-data);
    color: var(--brand-primary);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.step__title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.step__copy {
    color: var(--text-secondary);
    font-size: 0.95rem;
}


/* ============================================================
   RESEARCH STATUS TABLE
   ============================================================ */
.research-status {
    background-color: var(--bg-card);
    padding: var(--space-xl);
    border: 1px solid var(--bg-border);
    margin: var(--space-lg) 0;
}

.research-status__item {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--bg-border);
}

.research-status__item:last-child {
    border-bottom: none;
}

.research-status__label {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.research-status__value {
    font-family: var(--font-data);
    color: var(--brand-primary);
    font-weight: 600;
}


/* ============================================================
   TIMELINE
   ============================================================ */
.timeline {
    position: relative;
    padding: var(--space-xl) 0 var(--space-xl) var(--space-xl);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--text-secondary);
}

.timeline__item {
    margin-bottom: var(--space-xl);
    position: relative;
    padding-left: var(--space-lg);
}

.timeline__item::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 6px;
    width: 12px;
    height: 12px;
    background-color: var(--text-secondary);
}

.timeline__year {
    font-family: var(--font-data);
    color: var(--brand-primary);
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.timeline__text {
    color: var(--text-primary);
    font-size: 0.95rem;
}


/* ============================================================
   DATA TABLE -- Cancer Types etc.
   ============================================================ */
.data-table {
    background-color: var(--bg-card);
    padding: var(--space-lg);
    border: 1px solid var(--bg-border);
    margin: var(--space-lg) 0;
    overflow-x: auto;
}

.data-table table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.data-table th {
    background-color: var(--bg-page);
    color: var(--brand-primary);
    padding: 0.75rem;
    text-align: left;
    font-family: var(--font-display);
    font-weight: 700;
    border-bottom: 1px solid var(--bg-border);
}

.data-table td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--bg-border);
    color: var(--text-primary);
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table__metric {
    font-family: var(--font-data);
    color: var(--brand-primary);
}


/* ============================================================
   ALERT BOX
   ============================================================ */
.alert {
    background-color: var(--bg-card);
    border-left: 4px solid var(--brand-primary);
    padding: var(--space-lg);
    margin: var(--space-lg) 0;
}

.alert__title {
    font-family: var(--font-display);
    color: var(--brand-primary);
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.alert p {
    margin: 0;
    font-size: 0.95rem;
}


/* ============================================================
   METHODOLOGY / SOURCES
   ============================================================ */
.methodology-card {
    background-color: var(--bg-card);
    padding: var(--space-lg);
    margin: var(--space-md) 0;
    border: 1px solid var(--bg-border);
}

.methodology-card__title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--brand-primary);
    margin-bottom: 0.75rem;
}

.methodology-card p {
    margin: 0;
    font-size: 0.95rem;
}

.sources {
    background-color: var(--bg-card);
    padding: var(--space-lg);
    border: 1px solid var(--bg-border);
    margin: var(--space-lg) 0;
}

.sources__title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--brand-primary);
    margin-bottom: var(--space-md);
}

.sources__list {
    list-style: none;
}

.sources__list li {
    padding: var(--space-sm) 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.sources__list li::before {
    content: "\2192\0020";
    color: var(--brand-primary);
    margin-right: var(--space-sm);
}


/* ============================================================
   NEWSLETTER
   ============================================================ */
.newsletter {
    padding: var(--space-2xl) var(--space-xl);
    text-align: center;
    border-bottom: 1px solid var(--bg-card);
}

.newsletter__title {
    font-size: 1.8rem;
    font-family: var(--font-display);
    font-weight: 700;
    margin-bottom: var(--space-lg);
}

.newsletter__form {
    max-width: 500px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.newsletter__input {
    padding: 0.875rem var(--space-md);
    border: 1px solid var(--bg-card);
    background-color: var(--bg-card);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.2s;
}

.newsletter__input:focus {
    outline: none;
    border-color: var(--brand-primary);
}

.newsletter__input::placeholder {
    color: var(--text-secondary);
}

/* Inline variant for disease pages */
.newsletter--inline {
    background-color: var(--bg-card);
    padding: var(--space-xl);
    border: 1px solid var(--bg-border);
    margin: var(--space-lg) 0;
}

.newsletter--inline .newsletter__form {
    max-width: 400px;
    gap: 0.75rem;
}

.newsletter--inline .newsletter__input {
    padding: 0.75rem var(--space-md);
    border-color: var(--bg-border);
    background-color: var(--bg-page);
    font-size: 0.95rem;
}


/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
    background-color: var(--bg-card);
    border-top: 1px solid var(--bg-border);
    padding: var(--space-xl);
    text-align: center;
}

.site-footer__nav {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    padding: var(--space-md) 0;
    flex-wrap: wrap;
}

.site-footer__link {
    font-size: 0.9rem;
    color: var(--text-primary);
    text-decoration: none;
    font-family: var(--font-display);
    font-weight: 500;
    border: 1px solid transparent;
    padding: var(--space-sm) 0.75rem;
    transition: border-color 0.2s;
}

.site-footer__link:hover {
    color: var(--text-primary);
    border-color: var(--brand-primary);
}

.site-footer__credit {
    margin-top: var(--space-md);
    color: var(--text-secondary);
    font-size: 0.85rem;
}


/* ============================================================
   TEAM PLACEHOLDER
   ============================================================ */
.team-placeholder {
    background-color: var(--bg-card);
    padding: var(--space-xl);
    border: 1px solid var(--bg-border);
    text-align: center;
}

.team-placeholder p {
    color: var(--text-secondary);
    margin: 0;
}


/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
    .site-nav {
        flex-direction: column;
        gap: var(--space-md);
    }

    .site-nav__link {
        margin-left: var(--space-md);
    }

    .site-nav__logo {
        margin-right: 0;
    }

    .hero__number {
        font-size: 2.5rem;
    }

    .hero__subheading {
        font-size: 1.2rem;
    }

    .section__title {
        font-size: 1.5rem;
    }

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

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

    .disease-hero__title {
        font-size: 1.8rem;
    }

    .disease-hero__stats {
        grid-template-columns: 1fr;
    }

    .stat-box__value {
        font-size: 1.8rem;
    }

    .content h2 {
        font-size: 1.4rem;
    }

    .content h2.content__title--large {
        font-size: 1.6rem;
    }

    .content {
        padding: 0 var(--space-md);
    }

    .content__section {
        padding: var(--space-xl) 0;
    }

    .timeline {
        padding-left: var(--space-md);
    }

    .data-table {
        font-size: 0.8rem;
    }

    .data-table th,
    .data-table td {
        padding: var(--space-sm);
    }

    .newsletter__form {
        flex-direction: column;
    }
}