/* 
   Scorched Resilience: Visual Philosophy Implementation - DARK PIVOT
   Colors: Ochre (#B12E21), Charcoal (#2B2B2B), Eucalyptus Silver (#A6B0A3)
*/

:root {
    --ochre: #B12E21;
    --charcoal: #2B2B2B;
    --charcoal-dark: #1A1A1A;
    --eucalyptus: #A6B0A3;
    --sand: #F4F1EA;
    --white: #FFFFFF;
    --inactive-text: #111111;
    /* Even darker than charcoal for "hidden" effect */
    --inactive-header: #333333;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--charcoal);
    color: var(--inactive-text);
    /* Default text is DARK (blends into background) */
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.5s ease;
}

/* Typography */
h1,
h2,
h3,
h4,
h5 {
    font-weight: 800;
    letter-spacing: -0.02em;
    text-transform: uppercase;
}

/* Hero Section */
.hero-section {
    height: 50vh;
    background: linear-gradient(rgba(26, 26, 26, 0.8), rgba(26, 26, 26, 0.8)), url('img/hero.png') no-repeat center center;
    background-size: cover;
    color: var(--white);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    border-bottom: 8px solid var(--ochre);
}

.main-title {
    font-size: 4rem;
    margin-bottom: 0.5rem;
    color: var(--white);
}

.subtitle {
    font-size: 1.2rem;
    color: var(--eucalyptus);
}

/* Modular Container */
.modular-container {
    max-width: 1000px;
    margin: 4rem auto;
    padding: 0 2rem;
}

.module {
    margin-bottom: 6rem;
    padding: 3rem;
    border: 1px solid var(--charcoal-dark);
    background-color: var(--charcoal-dark);
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.module::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--inactive-header);
    transition: background-color 0.4s;
}

/* Mouseover Reveal Logic */
.module:hover,
.module.active {
    background-color: #222;
    border-color: var(--ochre);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    color: var(--white);
}

.module:hover::before,
.module.active::before {
    background-color: var(--ochre);
}

.module-header {
    font-size: 0.9rem;
    color: var(--inactive-header);
    margin-bottom: 1.5rem;
    transition: color 0.4s;
}

.module:hover .module-header,
.module.active .module-header {
    color: var(--ochre);
}

.module-content p {
    font-size: 1.15rem;
    max-width: 700px;
    transition: color 0.4s;
    margin-top: 1.5rem;
}

/* Section Images */
.section-image {
    width: 100%;
    height: 350px;
    object-fit: cover;
    border-radius: 4px;
    margin-bottom: 2rem;
    filter: grayscale(100%) brightness(0.4);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    border: 1px solid var(--charcoal-dark);
}

.module:hover .section-image,
.module.active .section-image {
    filter: grayscale(0%) brightness(1);
    transform: scale(1.02);
    border-color: var(--ochre);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
}

/* Species Cards */
.species-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.species-card {
    background: var(--charcoal);
    padding: 2.5rem;
    border: 1px solid var(--charcoal-dark);
    cursor: pointer;
    transition: all 0.4s ease;
}

.species-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--inactive-header);
}

.module:hover .species-card h3 {
    color: var(--eucalyptus);
}

.species-card:hover {
    transform: translateY(-8px);
    border-color: var(--ochre);
    background: var(--charcoal-dark);
}

.species-card:hover h3 {
    color: var(--ochre) !important;
}

.reveal-content {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: all 0.5s ease;
    font-size: 1rem;
    color: var(--eucalyptus);
}

.species-card:hover .reveal-content {
    max-height: 300px;
    opacity: 1;
    margin-top: 1rem;
}

/* Evidence and Lists */
.mechanism-list {
    list-style: none;
    margin-top: 3rem;
}

.reveal-step {
    padding: 1.5rem;
    border-bottom: 1px solid var(--charcoal);
    transition: all 0.3s;
}

.reveal-step:hover {
    background: rgba(177, 46, 33, 0.1);
    padding-left: 2rem;
}

/* Compare Table Restyling */
.comparison-table {
    width: 100%;
    margin-top: 3rem;
    border-collapse: collapse;
    color: var(--eucalyptus);
}

.comparison-table th {
    text-align: left;
    padding: 1rem;
    border-bottom: 2px solid var(--ochre);
    color: var(--inactive-header);
    transition: color 0.4s;
}

.module:hover .comparison-table th {
    color: var(--ochre);
}

.comparison-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--charcoal);
}

/* Fields & glossary */
.glossary-list {
    list-style: none;
    margin-top: 2rem;
}

.glossary-list li {
    padding: 1rem 0;
    border-bottom: 1px solid var(--charcoal);
}

.glossary-term {
    color: var(--ochre);
    font-weight: 700;
    margin-right: 0.5rem;
}

/* Footer */
.footer {
    text-align: center;
    padding: 5rem 2rem;
    background: var(--charcoal-dark);
    color: var(--inactive-header);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.footer-back-link {
    color: var(--ochre);
    text-decoration: none;
    display: block;
    margin-bottom: 1rem;
    font-weight: 700;
    transition: color 0.3s ease;
}

.footer-back-link:hover {
    color: var(--white);
}

/* Back Navigation */
.back-nav {
    background-color: var(--charcoal-dark);
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-bottom: 1px solid var(--charcoal);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.back-nav a {
    color: var(--ochre);
    text-decoration: none;
    font-weight: 700;
    transition: color 0.3s ease;
}

.back-nav a:hover {
    color: var(--white);
}

.back-nav span {
    color: var(--inactive-header);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .main-title {
        font-size: 2.5rem;
    }

    .module {
        padding: 1.5rem;
    }
}