/* =========================================
   NEPL | Inner Pages — Shared Styles
   Applies to all new content pages (categories, facility, regulatory, etc.)
   Inherits from style.css base + about.css patterns
   ========================================= */

/* --- Page-Level Overrides --- */
body {
    background-color: var(--color-white);
    color: var(--color-gray-dark);
}

/* --- Active Navigation Indicator (shared from about.css) --- */
.nav-item.active-page {
    opacity: 1 !important;
    color: var(--color-green-accent) !important;
    position: relative;
}

.nav-item.active-page::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-green-accent);
}

/* --- Section Labels --- */
.section-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-green-accent);
    margin-bottom: 1.5rem;
    max-width: none;
}

/* --- Page Hero (Inner Pages) --- */
.page-hero {
    padding-top: calc(var(--spacing-xl) + 120px);
    padding-bottom: var(--spacing-lg);
    text-align: center;
}

.page-hero h1 {
    font-size: clamp(2.25rem, 4.5vw, 3.5rem);
    color: var(--color-black);
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.page-hero-sub {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--color-gray-dark);
    max-width: 750px;
    margin: 0 auto;
}

/* --- Content Sections --- */
.content-section {
    padding: var(--spacing-xl) 0;
}

.content-section h2 {
    margin-bottom: 2rem;
}

.content-narrow {
    max-width: 900px;
    margin: 0 auto;
}

.content-wide {
    max-width: 1200px;
    margin: 0 auto;
}

/* --- Category Grid (E-Waste Categories) --- */
.category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.category-card {
    padding: 2rem 1.75rem;
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-top: 3px solid var(--color-green-accent);
    background: var(--color-white);
    transition: transform 300ms ease, box-shadow 300ms ease;
}

.category-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.category-card h3 {
    font-size: 1rem;
    color: var(--color-black);
    margin-bottom: 0.75rem;
    text-transform: none;
    letter-spacing: 0;
}

.category-card p {
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 0;
}

.category-card .cat-examples {
    font-size: 0.8rem;
    color: var(--color-green-accent);
    font-weight: 600;
    margin-top: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

/* --- Specification Table --- */
.spec-table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    font-size: 0.95rem;
}

.spec-table th,
.spec-table td {
    padding: 1rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    color: var(--color-gray-dark);
}

.spec-table th {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-green-accent);
    background: var(--color-gray-light);
}

.spec-table tr:hover td {
    background: rgba(15, 79, 44, 0.02);
}

/* --- Process Steps (Material Recovery) --- */
.process-steps {
    counter-reset: process-step;
    margin-top: 3rem;
}

.process-step {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 2rem;
    padding: 2.5rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    align-items: start;
}

.process-step:last-child {
    border-bottom: none;
}

.step-number {
    counter-increment: process-step;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--color-green-accent);
    color: var(--color-green-accent);
    font-size: 1.25rem;
    font-weight: 800;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 1.15rem;
    color: var(--color-black);
    margin-bottom: 0.75rem;
    text-transform: none;
    letter-spacing: 0;
}

.step-content p {
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 0.5rem;
}

.step-equipment {
    font-size: 0.8rem;
    color: var(--color-green-accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-top: 0.5rem;
}

/* --- FAQ Accordion --- */
.faq-list {
    max-width: 850px;
    margin: 2rem auto 0 auto;
}

.faq-item {
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    cursor: pointer;
    user-select: none;
    gap: 1.5rem;
}

.faq-question h3 {
    font-size: 1.05rem;
    color: var(--color-black);
    margin-bottom: 0;
    text-transform: none;
    letter-spacing: 0;
    font-weight: 600;
    line-height: 1.4;
}

.faq-chevron {
    flex-shrink: 0;
    color: var(--color-gray-dark);
    transition: transform 300ms ease;
}

.faq-item.open .faq-chevron {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 350ms cubic-bezier(0.25, 0.8, 0.25, 1),
        padding 350ms cubic-bezier(0.25, 0.8, 0.25, 1);
    padding: 0;
}

.faq-item.open .faq-answer {
    max-height: 500px;
    padding: 0 0 1.5rem 0;
}

.faq-answer p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--color-gray-dark);
}

/* --- Regulation List --- */
.regulation-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-top: 2rem;
}

.regulation-item {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    padding: 1.75rem 2rem;
    border-left: 3px solid var(--color-green-accent);
    background: var(--color-white);
    border: 1px solid rgba(0, 0, 0, 0.04);
    border-left: 3px solid var(--color-green-accent);
}

.regulation-item h3 {
    font-size: 1rem;
    color: var(--color-black);
    margin-bottom: 0.5rem;
    text-transform: none;
    letter-spacing: 0;
}

.regulation-item p {
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 0;
}

/* --- CTA Banner --- */
.cta-banner {
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
    background-color: var(--color-black) !important;
}

.cta-banner h2 {
    color: var(--color-white);
    margin-bottom: 1rem;
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
}

.cta-banner p {
    color: rgba(255, 255, 255, 0.7);
    max-width: 600px;
    margin: 0 auto 2rem auto;
}

.cta-banner .btn-primary {
    display: inline-flex;
}

/* --- Landing Page Hero (Producers / Bulk Consumers) --- */
.landing-hero {
    padding-top: calc(var(--spacing-xl) + 120px);
    padding-bottom: var(--spacing-xl);
    background: var(--color-gray-light);
}

.landing-hero h1 {
    color: var(--color-black);
    margin-bottom: 1.5rem;
}

.landing-hero p {
    color: var(--color-gray-dark);
    max-width: 700px;
}

.landing-hero .btn-primary {
    margin-top: 2rem;
}

/* --- Steps Horizontal --- */
.steps-horizontal {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.step-h-card {
    text-align: center;
    padding: 2rem 1.5rem;
    position: relative;
}

.step-h-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: rgba(15, 79, 44, 0.1);
    margin-bottom: 1rem;
    line-height: 1;
}

.step-h-card h3 {
    font-size: 1rem;
    color: var(--color-black);
    margin-bottom: 0.75rem;
    text-transform: none;
    letter-spacing: 0;
}

.step-h-card p {
    font-size: 0.9rem;
    line-height: 1.6;
}

/* --- Responsive --- */
@media (max-width: 1200px) {
    .navbar .container {
        flex-wrap: wrap;
    }

    .nav-links {
        width: 100%;
        overflow-x: auto;
        padding: 0.75rem 0 0.5rem 0;
        justify-content: flex-start;
        -webkit-overflow-scrolling: touch;
    }

    .nav-links::-webkit-scrollbar {
        display: none;
    }

    .nav-links .nav-item {
        white-space: nowrap;
    }

    .nav-actions {
        display: none;
    }
}

@media (max-width: 1024px) {
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .steps-horizontal {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .page-hero {
        padding-top: calc(var(--spacing-xl) + 100px);
    }

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

    .process-step {
        grid-template-columns: 60px 1fr;
        gap: 1rem;
    }

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

    .spec-table {
        font-size: 0.85rem;
    }

    .spec-table th,
    .spec-table td {
        padding: 0.75rem 1rem;
    }
}