/* ==========================================================================
   SPIF HIGH-FIDELITY DESIGN CORE (GLOBAL STYLESHEET)
   Architecture: Component-Driven Modern CSS
   Engineering Norms: Zero-Dependency Layouts, Hardware Acceleration, Fluent Dark Mode
   ========================================================================== */

/* ==========================================================================
   1. DESIGN TOKENS & SYSTEM VARIABLE MATRIX
   ========================================================================== */
:root {
    /* Color Tokens - Light Archetype */
    --bg-base: #f8fafc;
    --bg-surface: #ffffff;
    --bg-surface-offset: #f1f5f9;
    
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    --text-inverse: #ffffff;

    --brand-primary: #1e40af;       /* Deep Trust Blue */
    --brand-primary-light: #eff6ff;
    --brand-primary-glow: rgba(30, 64, 175, 0.15);
    --brand-accent: #0d9488;        /* Calming Clinical Teal */
    --brand-accent-light: #f0fdfa;
    
    --crisis-danger: #dc2626;       /* Urgent Crisis Crimson */
    --crisis-bg: #fef2f2;
    --crisis-border: #fca5a5;

    /* Elevation Scales (Figma-Layered Soft Alphas) */
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.03), 0 1px 2px rgba(15, 23, 42, 0.02);
    --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.05), 0 2px 4px -1px rgba(15, 23, 42, 0.03);
    --shadow-lg: 0 20px 25px -5px rgba(15, 23, 42, 0.05), 0 10px 10px -5px rgba(15, 23, 42, 0.02);
    --shadow-overlay: 0 25px 50px -12px rgba(15, 23, 42, 0.25);

    /* Layout Parameters */
    --max-width: 1240px;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 24px;
    --radius-full: 9999px;

    /* Animation Engineering Matrix */
    --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out-back: cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-fast: 0.2s var(--ease-smooth);
    --transition-normal: 0.3s var(--ease-smooth);
    --transition-slow: 0.5s var(--ease-smooth);
    
    /* Typography Configuration */
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* Hard Overrides for Explicit Manual Dark Configuration Selection */
[data-theme="dark"] {
    --bg-base: #070a13;
    --bg-surface: #0f172a;
    --bg-surface-offset: #1e293b;
    
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --text-inverse: #0f172a;

    --brand-primary: #3b82f6;
    --brand-primary-light: #172554;
    --brand-primary-glow: rgba(59, 130, 246, 0.2);
    --brand-accent: #2dd4bf;
    --brand-accent-light: #115e59;
    
    --crisis-danger: #ef4444;
    --crisis-bg: #2d1414;
    --crisis-border: #7f1d1d;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.4);
}

/* Automated Operating System Dark Archetype Trailing Track */
@media (prefers-color-scheme: dark) {
    [data-theme="system"] {
        --bg-base: #070a13;
        --bg-surface: #0f172a;
        --bg-surface-offset: #1e293b;
        
        --text-primary: #f8fafc;
        --text-secondary: #cbd5e1;
        --text-muted: #94a3b8;
        --text-inverse: #0f172a;

        --brand-primary: #3b82f6;
        --brand-primary-light: #172554;
        --brand-primary-glow: rgba(59, 130, 246, 0.2);
        --brand-accent: #2dd4bf;
        --brand-accent-light: #115e59;
        
        --crisis-danger: #ef4444;
        --crisis-bg: #2d1414;
        --crisis-border: #7f1d1d;

        --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
        --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
        --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.4);
    }
}

/* ==========================================================================
   2. RESETS & RE-BALANCING HARD UTILITIES
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

.container {
    width: 90%;
    max-width: var(--max-width);
    margin: 0 auto;
}

.section-padding {
    padding: 6.5rem 0;
}

/* Screen Reader Safety Layouts */
.skip-link {
    position: absolute;
    top: -100px;
    left: 24px;
    background: var(--brand-primary);
    color: var(--text-inverse);
    padding: 0.85rem 1.75rem;
    z-index: 99999;
    font-weight: 700;
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: top 0.2s var(--ease-smooth);
}
.skip-link:focus { top: 24px; }

/* Image Elements Containment Framework */
img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: inherit;
}

/* Typography Presets */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

/* Button UI Components Engineering Blueprint */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.9rem 1.85rem;
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition-normal);
}

.btn-primary { background: var(--brand-primary); color: var(--text-inverse); }
.btn-primary:hover { background: var(--brand-primary-light); color: var(--brand-primary); transform: translateY(-2px); box-shadow: var(--shadow-md); }

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

/* ==========================================================================
   3. SYSTEM STICKY HEADER & SEGMENTED SWITCH OVERLAYS
   ========================================================================== */
.emergency-ribbon {
    background-color: var(--crisis-danger);
    color: #ffffff;
    font-size: 0.95rem;
    font-weight: 600;
    padding: 0.85rem 0;
    position: relative;
    z-index: 1010;
    border-bottom: 1px solid rgba(0,0,0,0.1);
}

.ribbon-wrapper { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.5rem; }
.ribbon-actions { display: inline-flex; gap: 1.5rem; align-items: center; font-weight: 800; }
.ribbon-link { color: #ffffff; text-decoration: none; border-bottom: 2px dashed rgba(255,255,255,0.4); transition: var(--transition-fast); }
.ribbon-link:hover { border-bottom-style: solid; }

.site-header {
    background-color: rgba(var(--bg-surface), 0.9);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: background-color var(--transition-normal);
}
[data-theme="dark"] .site-header { border-bottom-color: rgba(255,255,255,0.06); }

.header-container { display: flex; justify-content: space-between; align-items: center; height: 90px; }

[data-theme="dark"] .logo-img { filter: invert(1) brightness(2); }

.nav-menu { display: flex; list-style: none; gap: 1.85rem; align-items: center; }
.nav-menu a { text-decoration: none; color: var(--text-secondary); font-weight: 600; font-size: 0.95rem; transition: var(--transition-fast); }
.nav-menu a:hover, .nav-menu a.active { color: var(--brand-primary); }

.nav-btn-donate {
    background: var(--brand-primary);
    color: var(--text-inverse) !important;
    padding: 0.6rem 1.5rem;
    border-radius: var(--radius-full);
}
.nav-btn-donate:hover { background: var(--brand-primary-light); color: var(--brand-primary) !important; box-shadow: 0 4px 12px var(--brand-primary-glow); }

/* Absolute Dropdown Nav Menu Configurations */
.has-dropdown { position: relative; }
.has-dropdown > a { display: inline-flex; align-items: center; gap: 0.35rem; }
.has-dropdown > a::after { content: ''; display: inline-block; width: 5px; height: 5px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg) translateY(-2px); transition: transform 0.2s ease; }

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-surface);
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: var(--radius-md);
    min-width: 260px;
    padding: 0.75rem 0;
    list-style: none;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: var(--transition-normal);
    z-index: 1500;
}
[data-theme="dark"] .dropdown-menu { border-color: rgba(255,255,255,0.08); }

.dropdown-menu a { display: block; padding: 0.65rem 1.5rem; font-size: 0.9rem; font-weight: 500; color: var(--text-secondary) !important; }
.dropdown-menu a:hover { background: var(--bg-surface-offset); color: var(--brand-primary) !important; }

@media (min-width: 769px) {
    .has-dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(4px); }
    .has-dropdown:hover > a::after { transform: rotate(225deg) translateY(1px); }
}

/* UI Segmented Controller Layer (Figma Core Pattern) */
.theme-segmented-control {
    display: inline-flex;
    background: var(--bg-surface-offset);
    padding: 0.3rem;
    border-radius: var(--radius-full);
    border: 1px solid rgba(15, 23, 42, 0.05);
}
.theme-option { cursor: pointer; display: flex; align-items: center; justify-content: center; }
.theme-option input { display: none; }
.theme-icon-wrapper {
    color: var(--text-muted);
    padding: 0.45rem;
    display: flex;
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}
.theme-option input:checked + .theme-icon-wrapper {
    background: var(--bg-surface);
    color: var(--brand-primary);
    box-shadow: var(--shadow-sm);
}

.menu-toggle { display: none; background: none; border: none; cursor: pointer; position: relative; width: 24px; height: 24px; }

/* ==========================================================================
   4. SECTION: SPARKLINE SLIDER ENGINE (HERO SYSTEM COMPONENT)
   ========================================================================== */
.hero-slider-architecture {
    position: relative;
    background: radial-gradient(circle at 90% 10%, var(--brand-primary-glow), transparent 50%);
    overflow: hidden;
}

.hero-carousel-wrapper { position: relative; width: 100%; }
.carousel-container-inner { position: relative; width: 100%; min-height: 620px; display: grid; }

.hero-slide-item {
    grid-area: 1 / 1 / 2 / 2;
    opacity: 0;
    visibility: hidden;
    transform: scale(1.01);
    transition: opacity var(--transition-slow), visibility var(--transition-slow), transform var(--transition-slow);
    z-index: 1;
    display: flex;
    align-items: center;
    width: 100%;
    padding: 4rem 0;
}
.hero-slide-item.active { opacity: 1; visibility: visible; transform: scale(1); z-index: 2; }

.hero-container-layout { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 4rem; align-items: center; }

.hero-pretitle {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--brand-primary);
    margin-bottom: 1rem;
}

.hero-title { font-size: 4.25rem; line-height: 1.05; letter-spacing: -0.03em; margin-bottom: 1.5rem; }
.hero-title .highlight { color: var(--brand-primary); position: relative; }

.hero-lead { font-size: 1.25rem; color: var(--text-secondary); margin-bottom: 2.5rem; max-width: 540px; }

.hero-button-group { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero-media-wrapper { position: relative; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); overflow: hidden; }

/* Spotlight Controllers Array */
.carousel-nav-indicators {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.75rem;
    z-index: 10;
}
.carousel-nav-indicators .indicator-dot {
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
    border: none;
    background: var(--text-muted);
    opacity: 0.4;
    cursor: pointer;
    transition: var(--transition-fast);
}
.carousel-nav-indicators .indicator-dot.active { opacity: 1; background: var(--brand-primary); width: 28px; }

/* ==========================================================================
   5. AUDIENCE/DEMOGRAPHIC TRACK FILTER LAYOUT FRAMEWORK
   ========================================================================== */
.audience-matrix-bar {
    position: relative;
    margin-top: -3.5rem;
    z-index: 30;
}

.matrix-grid-layout {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.matrix-item-card {
    background: var(--bg-surface);
    border: 1px solid rgba(15, 23, 42, 0.05);
    border-radius: var(--radius-md);
    padding: 2.25rem 1.75rem;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}
.matrix-item-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--brand-primary); }

.card-icon-frame {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-sm);
    background: var(--bg-base);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    transition: var(--transition-fast);
}
.matrix-item-card:hover .card-icon-frame { background: var(--brand-primary-light); }

.matrix-card-title { font-size: 1.1rem; font-weight: 700; color: var(--text-primary); }

/* ==========================================================================
   6. EMPIRICAL STATISTICAL METRICS LAYOUT ENGINE
   ========================================================================== */
.impact-grid-layout { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 6rem; align-items: center; }
.section-title { font-size: 2.75rem; margin-bottom: 1.5rem; }
.section-desc { font-size: 1.15rem; color: var(--text-secondary); max-width: 480px; }

.metrics-display-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }

.metric-item-card {
    background: var(--bg-surface);
    border: 1px solid rgba(15, 23, 42, 0.04);
    padding: 2.5rem 2rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}
.metric-item-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 4px; height: 100%;
    background: var(--brand-accent);
}

.metric-number { display: block; font-size: 2.85rem; font-weight: 900; color: var(--brand-primary); line-height: 1; margin-bottom: 0.5rem; }
.metric-label { font-size: 1rem; font-weight: 600; color: var(--text-secondary); }

/* ==========================================================================
   7. SLIDER COMPONENT SYSTEM (TESTIMONIAL INTERACTION LAYER)
   ========================================================================== */
.testimonials-section { background-color: var(--bg-surface-offset); }
.section-title-center { text-align: center; font-size: 2.5rem; margin-bottom: 4rem; }

.carousel-track-wrapper { overflow: hidden; width: 100%; padding: 1rem 0; }
.carousel-track { display: flex; gap: 2rem; will-change: transform; }

.testimonial-card {
    background: var(--bg-surface);
    border: 1px solid rgba(15, 23, 42, 0.04);
    padding: 3rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    min-width: calc(50% - 1rem);
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
}

.testimonial-hook { font-size: 1.25rem; font-weight: 700; color: var(--brand-primary); line-height: 1.3; margin-bottom: 1.25rem; }
.quote-body p { font-style: italic; color: var(--text-secondary); font-size: 1.05rem; margin-bottom: 2rem; }

.quote-author-profile { display: flex; align-items: center; gap: 1.25rem; border-top: 1px solid rgba(15, 23, 42, 0.06); padding-top: 1.5rem; }
.author-avatar { width: 56px; height: 56px; border-radius: var(--radius-full); object-fit: cover; background-color: var(--bg-surface-offset); }
.author-meta .author-name { display: block; font-size: 1rem; color: var(--text-primary); font-weight: 700; }
.author-meta .author-title { font-size: 0.85rem; color: var(--text-muted); font-weight: 500; }

.carousel-controls { display: flex; justify-content: center; align-items: center; gap: 1.5rem; margin-top: 3rem; }
.carousel-btn { background: var(--bg-surface); border: 1px solid rgba(15, 23, 42, 0.1); width: 40px; height: 40px; border-radius: var(--radius-full); cursor: pointer; color: var(--text-primary); font-size: 1.2rem; display: flex; align-items: center; justify-content: center; transition: var(--transition-fast); box-shadow: var(--shadow-sm); }
.carousel-btn:hover { background: var(--brand-primary); color: var(--text-inverse); border-color: var(--brand-primary); }

.carousel-indicators { display: flex; gap: 0.5rem; }
.carousel-indicators .indicator-dot { width: 8px; height: 8px; border-radius: var(--radius-full); background: var(--text-muted); opacity: 0.3; border: none; cursor: pointer; transition: var(--transition-fast); }
.carousel-indicators .indicator-dot.active { opacity: 1; background: var(--brand-primary); transform: scale(1.2); }

/* ==========================================================================
   8. QUANTITATIVE RESEARCH EVALUATION INTERFACE
   ========================================================================== */
.survey-validation-section { background: var(--bg-surface); }
.survey-header-block { text-align: center; max-width: 740px; margin: 0 auto 4.5rem; }
.survey-header-block h2 { font-size: 2.5rem; margin-bottom: 0.75rem; }
.survey-source { font-size: 0.95rem; color: var(--text-muted); font-weight: 500; }

.survey-stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.5rem; }
.survey-stat-card { text-align: center; background: var(--bg-base); padding: 3.5rem 2rem; border-radius: var(--radius-md); border: 1px solid rgba(15, 23, 42, 0.05); transition: var(--transition-normal); }
.survey-stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.survey-stat-card .stat-percentage { font-size: 4rem; font-weight: 900; color: var(--brand-accent); line-height: 1; display: block; margin-bottom: 1.25rem; letter-spacing: -0.04em; }
.survey-stat-card .stat-description { font-size: 1rem; color: var(--text-secondary); font-weight: 600; line-height: 1.5; }

/* ==========================================================================
   9. ASYMMETRICAL COLUMN SPLIT CONVERSION LAYER
   ========================================================================== */
.split-conversions-section { position: relative; background: var(--bg-surface-offset); padding-bottom: 8rem; padding-top: 4rem; }
.split-conversions-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }

.conversion-block {
    background: var(--bg-surface);
    border: 1px solid rgba(15, 23, 42, 0.04);
    border-radius: var(--radius-lg);
    padding: 4rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
}
.block-kicker { display: block; font-size: 0.85rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); margin-bottom: 1rem; }
.conversion-block h2 { font-size: 2rem; margin-bottom: 1rem; line-height: 1.25; }
.conversion-block p { color: var(--text-secondary); font-size: 1.05rem; margin-bottom: 3rem; }

.highlight-title { color: var(--brand-accent); font-size: 1.5rem; font-weight: 700; margin-bottom: 1rem; }

.btn-action-primary { background: var(--brand-primary); color: var(--text-inverse); width: 100%; padding: 1.1rem; }
.btn-action-accent { background: transparent; color: var(--brand-primary); border: 2px solid var(--brand-primary); width: 100%; padding: 1.1rem; }
.btn-action-accent:hover { background: var(--brand-primary); color: var(--text-inverse); }

/* ==========================================================================
   10. HARDWARE ACCELERATED INFINITE LOOP SYSTEM (MARQUEE TRACK)
   ========================================================================== */
.trust-marquee-section { padding: 5rem 0; background: var(--bg-surface); border-top: 1px solid rgba(15, 23, 42, 0.05); }
.slider-wrapper { margin-bottom: 3.5rem; }
.slider-wrapper:last-child { margin-bottom: 0; }
.slider-title { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); margin-bottom: 1.5rem; font-weight: 700; }

.marquee-track {
    display: flex;
    overflow: hidden;
    width: 100%;
    position: relative;
    mask-image: linear-gradient(to right, transparent, #000 15%, #000 85%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, #000 15%, #000 85%, transparent);
}

.marquee-content { display: flex; gap: 5.5rem; padding-right: 5.5rem; will-change: transform; animation: linear-marquee-left 35s linear infinite; }
.marquee-track[data-direction="right"] .marquee-content { animation: linear-marquee-right 35s linear infinite; }

.marquee-content img { height: 42px; width: auto; opacity: 0.45; filter: grayscale(1); transition: var(--transition-fast); }
[data-theme="dark"] .marquee-content img { filter: grayscale(1) invert(1) brightness(1.8); opacity: 0.35; }
.marquee-content img:hover { opacity: 1; filter: grayscale(0) invert(0); }

@keyframes linear-marquee-left { from { transform: translate3d(0, 0, 0); } to { transform: translate3d(-50%, 0, 0); } }
@keyframes linear-marquee-right { from { transform: translate3d(-50%, 0, 0); } to { transform: translate3d(0, 0, 0); } }

/* ==========================================================================
   11. COMPONENT STYLING: NEWSFEED STRUCTURAL MATRIX
   ========================================================================== */
.dynamic-feed-section { background: var(--bg-base); }
.section-title-left { font-size: 2.5rem; margin-bottom: 3.5rem; }

.feed-matrix-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.5rem; }

.feed-card-component {
    background: var(--bg-surface);
    border: 1px solid rgba(15, 23, 42, 0.04);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: var(--transition-normal);
}
.feed-card-component:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }

.feed-image-frame { width: 100%; height: 220px; overflow: hidden; background-color: var(--bg-surface-offset); }
.feed-image-frame img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-slow); }
.feed-card-component:hover .feed-image-frame img { transform: scale(1.04); }

.feed-card-body { padding: 2rem; flex-grow: 1; }
.feed-item-tag { display: inline-block; font-size: 0.75rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.05em; background: var(--bg-surface-offset); color: var(--text-secondary); padding: 0.3rem 0.75rem; border-radius: var(--radius-sm); margin-bottom: 1rem; }
.feed-card-body h3 { font-size: 1.35rem; margin-bottom: 0.75rem; color: var(--text-primary); line-height: 1.3; }
.feed-card-body p { font-size: 0.95rem; color: var(--text-muted); margin-bottom: 0; line-height: 1.5; }

.feed-card-footer { padding: 0 2rem 2rem; background: transparent; }
.feed-action-trigger { font-size: 0.95rem; font-weight: 700; color: var(--brand-primary); text-decoration: none; transition: var(--transition-fast); }
.feed-action-trigger:hover { color: var(--brand-accent); }

/* ==========================================================================
   12. THEMED COMPONENT LAYER (NEWSLETTER DISCOVERY ACTION BAR)
   ========================================================================== */
.newsletter-cta-section { background: var(--brand-primary); color: #ffffff; border-bottom: 1px solid rgba(255,255,255,0.05); }
.newsletter-panel-layout { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 4.5rem; align-items: center; }

.newsletter-text h2 { color: #ffffff; font-size: 2.5rem; margin-bottom: 0.5rem; letter-spacing: -0.020em; }
.newsletter-text p { color: rgba(255,255,255,0.8); font-size: 1.1rem; margin-bottom: 0; }

.input-row-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.form-input-field input {
    width: 100%;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    padding: 0.9rem 1.25rem;
    border-radius: var(--radius-sm);
    color: #ffffff;
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition-fast);
}
.form-input-field input:focus { background: rgba(255,255,255,0.15); border-color: rgba(255,255,255,0.5); }
.form-input-field input::placeholder { color: rgba(255,255,255,0.4); }

.input-row-grid .btn-submit {
    grid-column: span 2;
    background: #ffffff;
    color: var(--brand-primary);
    border: none;
    font-weight: 700;
    padding: 1rem;
    font-size: 1rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
}
.input-row-grid .btn-submit:hover { background: var(--brand-primary-light); }

/* ==========================================================================
   13. CAPTIVE PORTFOLIO FOOTER LAYOUT METRICS
   ========================================================================== */
.site-footer { background-color: #080c14; color: #64748b; padding: 6rem 0 3.5rem; border-top: 1px solid rgba(255,255,255,0.03); }
.footer-matrix-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 3.5rem; border-bottom: 1px solid rgba(255,255,255,0.04); padding-bottom: 4.5rem; }

.footer-column h5 { color: #f8fafc; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 1.75rem; font-weight: 800; }
.footer-column ul { list-style: none; }
.footer-column li { margin-bottom: 0.85rem; }
.footer-column a { color: #94a3b8; text-decoration: none; font-size: 0.95rem; font-weight: 500; transition: var(--transition-fast); }
.footer-column a:hover { color: #ffffff; }

.footer-bottom-meta { display: flex; justify-content: space-between; align-items: center; padding-top: 2.5rem; }
.meta-branding-layer { display: flex; align-items: center; gap: 3rem; }
.copyright-notice { font-size: 0.9rem; color: #475569; font-weight: 500; }

.social-links-container { display: flex; gap: 1.25rem; color: #475569; }
.social-links-container a { color: inherit; transition: var(--transition-fast); display: flex; }
.social-links-container a:hover { color: #ffffff; transform: translateY(-1px); }

.architecture-tag { color: #1e293b; font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; }

/* ==========================================================================
   14. UNIVERSAL BREAKPOINT ENGINES (RESPONSIVE GRID RE-BALANCING)
   ========================================================================== */
@media (max-width: 1124px) {
    .hero-container-layout, .impact-grid-layout, .newsletter-panel-layout { grid-template-columns: 1fr; gap: 3.5rem; }
    .hero-primary-cta, .newsletter-text, .survey-header-block { text-align: center; }
    .hero-lead { margin: 0 auto 2rem; }
    .hero-button-group { justify-content: center; }
    .carousel-container-inner { min-height: auto; }
    .hero-slide-item { padding: 2rem 0 4rem; }
    .feed-matrix-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-matrix-grid { grid-template-columns: repeat(2, 1fr); gap: 3rem; }
}

@media (max-width: 840px) {
    .matrix-grid-layout { grid-template-columns: repeat(2, 1fr); }
    .split-conversions-layout, .survey-stats-grid { grid-template-columns: 1fr; }
    .split-conversions-section { padding-bottom: 4rem; }
    .split-conversions-layout { margin-top: 0; }
    .conversion-block { padding: 3rem 2rem; }
    .testimonial-card { min-width: 100%; padding: 2rem; }
}

@media (max-width: 768px) {
    .hero-title { font-size: 3rem; }
    .section-title { font-size: 2.25rem; }
    .menu-toggle { display: block; z-index: 2100; color: var(--text-primary); }
    
    /* Mobilized Header Drawer Framework */
    .hamburger { position: absolute; top: 50%; left: 0; transform: translateY(-50%); width: 20px; height: 2px; background: currentColor; transition: background 0.2s; }
    .hamburger::before, .hamburger::after { content: ''; position: absolute; width: 20px; height: 2px; background: currentColor; transition: transform 0.2s; }
    .hamburger::before { top: -6px; } .hamburger::after { bottom: -6px; }
    
    .menu-toggle[aria-expanded="true"] .hamburger { background: transparent; }
    .menu-toggle[aria-expanded="true"] .hamburger::before { transform: rotate(45deg); top: 0; }
    .menu-toggle[aria-expanded="true"] .hamburger::after { transform: rotate(-45deg); bottom: 0; }

    .nav-menu {
        position: fixed;
        top: 0; left: 0; width: 100%; height: 100vh;
        background: var(--bg-surface);
        flex-direction: column;
        justify-content: center;
        padding: 4rem 2rem;
        gap: 1.75rem;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: var(--transition-normal);
        z-index: 2000;
        overflow-y: auto;
    }
    .nav-menu.mobile-active { opacity: 1; visibility: visible; transform: translateY(0); }
    .nav-menu a { font-size: 1.15rem; }

    .dropdown-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: none; background: transparent; text-align: center; display: none; padding: 0.5rem 0 0; }
    .has-dropdown.mobile-open .dropdown-menu { display: block; }

    .metrics-display-grid, .feed-matrix-grid, .footer-matrix-grid { grid-template-columns: 1fr; }
    .footer-bottom-meta { flex-direction: column; gap: 2rem; text-align: center; }
    .meta-branding-layer { flex-direction: column; gap: 1.25rem; }
    .input-row-grid { grid-template-columns: 1fr; }
    .input-row-grid .btn-submit { grid-column: span 1; }
}

@media (max-width: 480px) {
    .matrix-grid-layout { grid-template-columns: 1fr; }
    .hero-title { font-size: 2.5rem; }
    .hero-slide-item { min-height: auto; }
    .metric-number { font-size: 2.25rem; }
    .ribbon-actions { flex-direction: column; gap: 0.5rem; }
    .ribbon-divider { display: none; }
}