/* ===================================
   ENTOPSIS REDESIGN - STYLES
   Based on UX/UI Bible Principles
   =================================== */

/* CSS Variables */
:root {
    /* Primary Colors */
    --primary-gold: #D4A94C;
    --primary-gold-light: #E8C97A;
    --primary-gold-dark: #B8923A;

    /* Accent Colors */
    --accent-teal: #14B8A6;
    --accent-teal-light: #5EEAD4;
    --accent-blue: #3B82F6;
    --accent-purple: #8B5CF6;

    /* Semantic Colors */
    --success: #22C55E;
    --warning: #F59E0B;
    --error: #EF4444;

    /* Neutrals */
    --bg-dark: #0A0A0B;
    --bg-darker: #050506;
    --bg-card: #111113;
    --bg-card-hover: #1A1A1D;
    --bg-elevated: #18181B;

    --text-primary: #FAFAFA;
    --text-secondary: #A1A1AA;
    --text-muted: #71717A;

    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-default: rgba(255, 255, 255, 0.12);

    /* Gradients */
    --gradient-gold: linear-gradient(135deg, #D4A94C 0%, #F0D78C 50%, #D4A94C 100%);
    --gradient-hero: linear-gradient(180deg, rgba(212, 169, 76, 0.1) 0%, transparent 50%);
    --gradient-card: linear-gradient(180deg, rgba(255,255,255,0.03) 0%, transparent 100%);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', 'Inter', sans-serif;

    /* Spacing */
    --section-padding: 120px;
    --container-max: 1280px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }

p { color: var(--text-secondary); }
.lead { font-size: 1.25rem; line-height: 1.7; }

a {
    color: var(--primary-gold);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover { color: var(--primary-gold-light); }

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* Section Styling */
section {
    padding: var(--section-padding) 0;
}

.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary-gold);
    background: rgba(212, 169, 76, 0.1);
    padding: 8px 16px;
    border-radius: 100px;
    margin-bottom: 20px;
}

.section-header {
    margin-bottom: 60px;
}

.section-header.center {
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    margin-bottom: 16px;
}

.section-desc {
    font-size: 1.125rem;
    max-width: 600px;
}

.section-header.center .section-desc {
    margin: 0 auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    font-family: var(--font-primary);
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-gold);
    color: var(--bg-dark);
    box-shadow: 0 4px 24px rgba(212, 169, 76, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(212, 169, 76, 0.4);
    color: var(--bg-dark);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--border-default);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
}

.btn-outline {
    background: transparent;
    color: var(--primary-gold);
    border: 1px solid var(--primary-gold);
}

.btn-outline:hover {
    background: rgba(212, 169, 76, 0.1);
}

.btn-large {
    padding: 18px 36px;
    font-size: 1rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    background: rgba(10, 10, 11, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

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

.logo-icon {
    color: var(--primary-gold);
    font-size: 1.75rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-links a {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.nav-links a:hover { color: var(--text-primary); }

.nav-cta {
    background: var(--gradient-gold);
    color: var(--bg-dark) !important;
    padding: 10px 24px;
    border-radius: var(--radius-md);
    font-weight: 600;
}

.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(212, 169, 76, 0.3);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 100px;
    overflow: hidden;
    background: var(--gradient-hero);
}

.hero-bg-pattern {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(212, 169, 76, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.05) 0%, transparent 40%);
    pointer-events: none;
}

.hero-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(212, 169, 76, 0.1);
    border: 1px solid rgba(212, 169, 76, 0.2);
    padding: 10px 20px;
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary-gold);
    margin-bottom: 32px;
}

.pulse {
    width: 8px;
    height: 8px;
    background: var(--primary-gold);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-title {
    font-size: clamp(2rem, 4vw, 3.25rem);
    font-weight: 600;
    line-height: 1.4;
    max-width: 1000px;
    margin-bottom: 28px;
    color: var(--text-primary);
}

.gradient-text {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.highlight-urine {
    background: linear-gradient(135deg, #14B8A6 0%, #5EEAD4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.7;
    color: var(--text-secondary);
    max-width: 700px;
    margin-bottom: 40px;
}

.hero-cta-group {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-gold);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.stat-divider {
    width: 1px;
    height: 48px;
    background: var(--border-default);
}

.hero-visual {
    position: absolute;
    right: -100px;
    top: 50%;
    transform: translateY(-50%);
    width: 600px;
    height: 600px;
    opacity: 0.5;
    pointer-events: none;
}

.molecule-animation {
    position: relative;
    width: 100%;
    height: 100%;
}

.molecule {
    position: absolute;
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.m1 {
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(212, 169, 76, 0.3) 0%, transparent 70%);
    top: 30%;
    left: 20%;
    animation-delay: 0s;
}

.m2 {
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.3) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    animation-delay: -1.5s;
}

.m3 {
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(20, 184, 166, 0.3) 0%, transparent 70%);
    top: 20%;
    left: 60%;
    animation-delay: -3s;
}

.m4 {
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, rgba(212, 169, 76, 0.2) 0%, transparent 70%);
    top: 70%;
    left: 30%;
    animation-delay: -4.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-30px) scale(1.05); }
}

/* Problem Section */
.problem-section {
    background: var(--bg-darker);
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.problem-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.problem-content h2 {
    margin-bottom: 16px;
}

.problem-content .lead {
    margin-bottom: 40px;
}

.problem-stats {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.problem-stat {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.problem-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.problem-icon.negative {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
}

.problem-number {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    display: block;
}

.problem-desc {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.case-study-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.case-study-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.case-tag {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--error);
    background: rgba(239, 68, 68, 0.1);
    padding: 6px 12px;
    border-radius: 100px;
}

.case-date {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.case-study-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.case-study-card > p {
    margin-bottom: 24px;
}

.case-quote {
    background: rgba(255, 255, 255, 0.02);
    border-left: 3px solid var(--primary-gold);
    padding: 20px;
    margin-bottom: 24px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.case-quote blockquote {
    font-style: italic;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.case-quote cite {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.case-insight {
    background: rgba(239, 68, 68, 0.05);
    border: 1px solid rgba(239, 68, 68, 0.1);
    padding: 16px;
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.case-insight strong {
    color: var(--error);
}

/* Urine Section */
.urine-section {
    background: var(--bg-dark);
}

.comparison-table {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 80px;
}

.comparison-header {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border-subtle);
}

.comparison-col {
    padding: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    font-weight: 600;
}

.comparison-col:first-child {
    visibility: hidden;
}

.col-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
}

.blood-icon {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
}

.urine-icon {
    background: rgba(20, 184, 166, 0.1);
    color: var(--accent-teal);
}

.winner-badge {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    background: var(--accent-teal);
    color: white;
    padding: 4px 12px;
    border-radius: 100px;
}

.comparison-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    border-bottom: 1px solid var(--border-subtle);
}

.comparison-row:last-child {
    border-bottom: none;
}

.comparison-label {
    padding: 20px 24px;
    font-weight: 500;
    color: var(--text-primary);
    display: flex;
    align-items: center;
}

.comparison-value {
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 0.9375rem;
}

.comparison-value.negative {
    color: var(--text-muted);
    background: rgba(239, 68, 68, 0.03);
}

.comparison-value.positive {
    color: var(--accent-teal);
    background: rgba(20, 184, 166, 0.05);
    font-weight: 500;
}

.biomarkers-section h3 {
    text-align: center;
    margin-bottom: 40px;
}

.biomarker-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.biomarker-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: all var(--transition-base);
}

.biomarker-card:hover {
    border-color: var(--primary-gold);
    transform: translateY(-4px);
}

.biomarker-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(212, 169, 76, 0.1);
    border-radius: var(--radius-md);
    color: var(--primary-gold);
    margin-bottom: 20px;
}

.biomarker-card h4 {
    margin-bottom: 12px;
    color: var(--text-primary);
}

.biomarker-card p {
    font-size: 0.9375rem;
    margin-bottom: 16px;
}

.biomarker-stat {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--accent-teal);
    background: rgba(20, 184, 166, 0.1);
    padding: 6px 12px;
    border-radius: 100px;
}

/* Technology Section */
.technology-section {
    background: var(--bg-darker);
    border-top: 1px solid var(--border-subtle);
}

.tech-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    margin-bottom: 80px;
}

.tech-content .lead {
    margin-bottom: 40px;
}

.tech-steps {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.tech-step {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-subtle);
    transition: all var(--transition-base);
}

.tech-step:hover {
    border-color: var(--primary-gold);
    background: rgba(212, 169, 76, 0.05);
}

.step-number {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-gold);
    flex-shrink: 0;
}

.step-content h4 {
    margin-bottom: 8px;
    color: var(--text-primary);
}

.step-content p {
    font-size: 0.9375rem;
}

.tech-visual {
    display: flex;
    justify-content: center;
}

.tech-diagram {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
}

.diagram-layer {
    padding: 20px 40px;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    min-width: 200px;
}

.layer-1 {
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.2);
    color: var(--accent-purple);
}

.layer-2 {
    background: rgba(212, 169, 76, 0.1);
    border: 1px solid rgba(212, 169, 76, 0.2);
    color: var(--primary-gold);
    padding: 24px 40px;
}

.layer-3 {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    color: var(--accent-blue);
}

.layer-4 {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.2);
    color: var(--success);
}

.diagram-arrow {
    color: var(--text-muted);
}

.array-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-top: 12px;
}

.array-dot {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    animation: colorShift 3s ease-in-out infinite;
}

.array-dot:nth-child(1) { background: #ef4444; animation-delay: 0s; }
.array-dot:nth-child(2) { background: #f59e0b; animation-delay: 0.3s; }
.array-dot:nth-child(3) { background: #22c55e; animation-delay: 0.6s; }
.array-dot:nth-child(4) { background: #3b82f6; animation-delay: 0.9s; }
.array-dot:nth-child(5) { background: #8b5cf6; animation-delay: 1.2s; }
.array-dot:nth-child(6) { background: #ec4899; animation-delay: 1.5s; }
.array-dot:nth-child(7) { background: #14b8a6; animation-delay: 1.8s; }
.array-dot:nth-child(8) { background: #f97316; animation-delay: 2.1s; }
.array-dot:nth-child(9) { background: #6366f1; animation-delay: 2.4s; }

@keyframes colorShift {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); }
}

.tech-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 60px;
}

.tech-feature {
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.tech-feature:hover {
    border-color: var(--primary-gold);
}

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(212, 169, 76, 0.1);
    color: var(--primary-gold);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}

.tech-feature h4 {
    margin-bottom: 12px;
    color: var(--text-primary);
}

.publication-callout {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 32px;
    background: rgba(212, 169, 76, 0.05);
    border: 1px solid rgba(212, 169, 76, 0.2);
    border-radius: var(--radius-lg);
}

.publication-icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(212, 169, 76, 0.1);
    color: var(--primary-gold);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.publication-content {
    flex: 1;
}

.pub-tag {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--primary-gold);
    margin-bottom: 8px;
    display: block;
}

.publication-content h4 {
    color: var(--text-primary);
    margin-bottom: 8px;
}

.publication-content p {
    font-size: 0.9375rem;
}

/* Prostate Section */
.prostate-section {
    background: var(--bg-dark);
}

.prostate-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-bottom: 60px;
}

.prostate-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.card-header {
    padding: 24px 28px;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border-subtle);
}

.card-header h3 {
    font-size: 1.25rem;
}

.card-header.green {
    background: rgba(34, 197, 94, 0.1);
    border-bottom-color: rgba(34, 197, 94, 0.2);
}

.card-header.green h3 {
    color: var(--success);
}

.card-content {
    padding: 28px;
}

.limitation-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.limitation-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.limitation-list li svg {
    flex-shrink: 0;
    margin-top: 2px;
}

.limitation-list li span {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.advantage-item {
    display: flex;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--border-subtle);
}

.advantage-item:last-child {
    border-bottom: none;
}

.advantage-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(34, 197, 94, 0.1);
    color: var(--success);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.advantage-item h4 {
    font-size: 1rem;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.advantage-item p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.comparison-callout {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 48px;
}

.comparison-callout h3 {
    text-align: center;
    margin-bottom: 40px;
}

.test-comparison-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.test-card {
    padding: 28px;
    border-radius: var(--radius-md);
    position: relative;
}

.test-card.traditional {
    background: rgba(239, 68, 68, 0.05);
    border: 1px solid rgba(239, 68, 68, 0.1);
}

.test-card.grail {
    background: rgba(245, 158, 11, 0.05);
    border: 1px solid rgba(245, 158, 11, 0.1);
}

.test-card.entopsis {
    background: rgba(34, 197, 94, 0.08);
    border: 2px solid rgba(34, 197, 94, 0.3);
}

.recommended-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--success);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    padding: 6px 16px;
    border-radius: 100px;
}

.test-card h4 {
    text-align: center;
    margin-bottom: 24px;
    font-size: 1.125rem;
}

.test-metrics {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.metric {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-sm);
}

.metric-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.metric-value {
    font-weight: 600;
    font-size: 0.9375rem;
}

.metric-value.poor {
    color: var(--text-muted);
}

.metric-value.good {
    color: var(--success);
}

/* Team Section */
.team-section {
    background: var(--bg-darker);
    border-top: 1px solid var(--border-subtle);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.team-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: all var(--transition-base);
}

.team-card:hover {
    border-color: var(--primary-gold);
    transform: translateY(-4px);
}

.team-card.featured {
    grid-column: span 2;
    grid-row: span 2;
}

.team-avatar {
    margin-bottom: 20px;
}

.avatar-image {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--radius-md);
    border: 2px solid var(--primary-gold);
}

.team-card.featured .avatar-image {
    width: 100px;
    height: 100px;
}

.avatar-placeholder {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-gold);
    color: var(--bg-dark);
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: var(--radius-md);
}

.team-card.featured .avatar-placeholder {
    width: 100px;
    height: 100px;
    font-size: 2rem;
}

.team-card h3 {
    font-size: 1.25rem;
    margin-bottom: 4px;
}

.team-title {
    display: block;
    color: var(--primary-gold);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 16px;
}

.team-bio {
    font-size: 0.9375rem;
    margin-bottom: 16px;
}

.team-education {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.team-education span {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.05);
    padding: 4px 12px;
    border-radius: 100px;
}

.advisors-section {
    text-align: center;
}

.advisors-section h3 {
    margin-bottom: 32px;
}

.advisor-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}

.advisor-chip {
    display: flex;
    flex-direction: column;
    padding: 16px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
}

.advisor-name {
    font-weight: 600;
    color: var(--text-primary);
}

.advisor-role {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* Trust Section */
.trust-section {
    padding: 60px 0;
    background: var(--bg-dark);
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.trust-grid {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.trust-icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-gold);
    margin-bottom: 16px;
}

.trust-item h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.trust-item p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Testimonials */
.testimonials-section {
    padding: 80px 0;
    background: var(--bg-dark);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.quote-icon {
    color: var(--primary-gold);
    opacity: 0.5;
    margin-bottom: 20px;
}

.testimonial-card blockquote {
    font-size: 1.25rem;
    font-style: italic;
    line-height: 1.6;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    color: var(--text-primary);
}

.author-title {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* CTA Section */
.cta-section {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(212, 169, 76, 0.05) 100%);
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    margin-bottom: 20px;
}

.cta-content > p {
    font-size: 1.125rem;
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.cta-contact-info {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
}

.contact-item svg {
    color: var(--primary-gold);
}

/* Footer */
.footer {
    background: var(--bg-darker);
    padding: 80px 0 40px;
    border-top: 1px solid var(--border-subtle);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 0.9375rem;
    max-width: 300px;
}

.footer-links h4 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 1024px) {
    .problem-grid,
    .tech-grid,
    .prostate-grid {
        grid-template-columns: 1fr;
    }

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

    .team-card.featured {
        grid-column: span 2;
        grid-row: span 1;
    }

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

    .tech-features {
        grid-template-columns: 1fr;
    }

    .test-comparison-grid {
        grid-template-columns: 1fr;
    }

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

    .tech-grid {
        gap: 40px;
    }

    .tech-diagram {
        padding: 24px;
    }

    .diagram-layer {
        min-width: 160px;
        padding: 16px 24px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }

    html {
        font-size: 15px;
    }

    .container {
        padding: 0 16px;
    }

    /* Navigation */
    .navbar {
        padding: 12px 0;
    }

    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .logo {
        font-size: 1.25rem;
    }

    .logo-icon {
        font-size: 1.5rem;
    }

    /* Hero */
    .hero {
        padding-top: 80px;
        min-height: auto;
        padding-bottom: 60px;
    }

    .hero-badge {
        font-size: 0.75rem;
        padding: 8px 14px;
        margin-bottom: 20px;
    }

    .hero-title {
        font-size: 1.5rem;
        line-height: 1.5;
        margin-bottom: 20px;
    }

    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 28px;
    }

    .hero-cta-group {
        flex-direction: column;
        margin-bottom: 40px;
    }

    .hero-cta-group .btn {
        width: 100%;
        justify-content: center;
        padding: 16px 24px;
    }

    .hero-stats {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
        width: 100%;
    }

    .stat-item {
        flex-direction: row;
        align-items: center;
        gap: 12px;
        width: 100%;
        padding: 16px;
        background: rgba(255, 255, 255, 0.03);
        border-radius: var(--radius-md);
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .stat-label {
        font-size: 0.8125rem;
    }

    .stat-divider {
        display: none;
    }

    .hero-visual {
        display: none;
    }

    /* Section Headers */
    .section-header {
        margin-bottom: 40px;
    }

    .section-tag {
        font-size: 0.6875rem;
        padding: 6px 12px;
        margin-bottom: 16px;
    }

    h2 {
        font-size: 1.75rem;
    }

    .section-desc {
        font-size: 1rem;
    }

    /* Problem Section */
    .problem-section {
        padding: 60px 0;
    }

    .problem-grid {
        gap: 40px;
    }

    .problem-stats {
        gap: 16px;
    }

    .problem-stat {
        padding: 16px;
        background: rgba(255, 255, 255, 0.02);
        border-radius: var(--radius-md);
    }

    .problem-icon {
        width: 40px;
        height: 40px;
    }

    .problem-number {
        font-size: 1.25rem;
    }

    .problem-desc {
        font-size: 0.875rem;
    }

    .case-study-card {
        padding: 24px;
    }

    .case-study-card h3 {
        font-size: 1.25rem;
    }

    .case-quote {
        padding: 16px;
    }

    /* Comparison Table - Mobile Scroll */
    .comparison-table {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        margin: 0 -16px;
        padding: 0 16px;
    }

    .comparison-header,
    .comparison-row {
        min-width: 560px;
    }

    .comparison-col {
        padding: 16px 12px;
    }

    .comparison-value {
        padding: 14px 12px;
        font-size: 0.8125rem;
    }

    /* Biomarkers */
    .biomarkers-section h3 {
        font-size: 1.25rem;
        margin-bottom: 28px;
    }

    .biomarker-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .biomarker-card {
        padding: 20px;
    }

    .biomarker-icon {
        width: 48px;
        height: 48px;
        margin-bottom: 16px;
    }

    .biomarker-card h4 {
        font-size: 1rem;
    }

    .biomarker-card p {
        font-size: 0.875rem;
    }

    /* Technology Section */
    .tech-grid {
        gap: 32px;
    }

    .tech-content .lead {
        font-size: 1rem;
        margin-bottom: 28px;
    }

    .tech-steps {
        gap: 16px;
    }

    .tech-step {
        padding: 16px;
        gap: 14px;
    }

    .step-number {
        font-size: 1.125rem;
    }

    .step-content h4 {
        font-size: 0.9375rem;
    }

    .step-content p {
        font-size: 0.8125rem;
    }

    .tech-visual {
        order: -1;
    }

    .tech-diagram {
        padding: 20px;
        gap: 12px;
        width: 100%;
    }

    .diagram-layer {
        min-width: 140px;
        padding: 12px 20px;
        font-size: 0.8125rem;
    }

    .array-grid {
        gap: 6px;
    }

    .array-dot {
        width: 18px;
        height: 18px;
    }

    .tech-features {
        gap: 16px;
    }

    .tech-feature {
        padding: 20px;
    }

    .feature-icon {
        width: 44px;
        height: 44px;
        margin-bottom: 14px;
    }

    .tech-feature h4 {
        font-size: 1rem;
    }

    .tech-feature p {
        font-size: 0.875rem;
    }

    .publication-callout {
        flex-direction: column;
        text-align: center;
        padding: 24px;
        gap: 16px;
    }

    .publication-icon {
        width: 56px;
        height: 56px;
    }

    .publication-content h4 {
        font-size: 1rem;
    }

    /* Prostate Section */
    .prostate-grid {
        gap: 20px;
    }

    .card-header {
        padding: 18px 20px;
    }

    .card-header h3 {
        font-size: 1.0625rem;
    }

    .card-content {
        padding: 20px;
    }

    .limitation-list {
        gap: 12px;
    }

    .limitation-list li span {
        font-size: 0.875rem;
    }

    .advantage-item {
        gap: 12px;
        padding: 14px 0;
    }

    .advantage-icon {
        width: 36px;
        height: 36px;
    }

    .advantage-item h4 {
        font-size: 0.9375rem;
    }

    .comparison-callout {
        padding: 24px;
    }

    .comparison-callout h3 {
        font-size: 1.25rem;
        margin-bottom: 28px;
    }

    .test-comparison-grid {
        gap: 16px;
    }

    .test-card {
        padding: 20px;
    }

    .test-card h4 {
        font-size: 1rem;
        margin-bottom: 16px;
    }

    .metric {
        padding: 10px;
    }

    .metric-label,
    .metric-value {
        font-size: 0.8125rem;
    }

    /* Team Section */
    .team-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .team-card,
    .team-card.featured {
        grid-column: span 1;
        padding: 20px;
    }

    .avatar-placeholder,
    .team-card.featured .avatar-placeholder,
    .avatar-image,
    .team-card.featured .avatar-image {
        width: 64px;
        height: 64px;
        font-size: 1.25rem;
    }

    .team-card h3 {
        font-size: 1.0625rem;
    }

    .team-title {
        font-size: 0.8125rem;
        margin-bottom: 12px;
    }

    .team-bio {
        font-size: 0.875rem;
        margin-bottom: 12px;
    }

    .team-education span {
        font-size: 0.6875rem;
        padding: 3px 10px;
    }

    .advisors-section h3 {
        font-size: 1.25rem;
        margin-bottom: 24px;
    }

    .advisor-grid {
        gap: 12px;
    }

    .advisor-chip {
        padding: 12px 16px;
    }

    .advisor-name {
        font-size: 0.875rem;
    }

    .advisor-role {
        font-size: 0.75rem;
    }

    /* Trust Section */
    .trust-section {
        padding: 40px 0;
    }

    .trust-grid {
        gap: 24px;
        justify-content: space-around;
    }

    .trust-item {
        flex: 0 0 calc(50% - 12px);
    }

    .trust-icon {
        width: 48px;
        height: 48px;
        margin-bottom: 12px;
    }

    .trust-icon svg {
        width: 32px;
        height: 32px;
    }

    .trust-item h4 {
        font-size: 0.875rem;
    }

    .trust-item p {
        font-size: 0.75rem;
    }

    /* Testimonials */
    .testimonials-section {
        padding: 60px 0;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .testimonial-card {
        padding: 24px;
    }

    .testimonial-card blockquote {
        font-size: 1rem;
        margin-bottom: 16px;
    }

    .author-name {
        font-size: 0.9375rem;
    }

    /* CTA Section */
    .cta-section {
        padding: 80px 0;
    }

    .cta-content h2 {
        font-size: 1.5rem;
    }

    .cta-content > p {
        font-size: 1rem;
        margin-bottom: 28px;
    }

    .cta-buttons {
        flex-direction: column;
        margin-bottom: 28px;
    }

    .cta-buttons .btn {
        width: 100%;
        justify-content: center;
    }

    .cta-contact-info {
        flex-direction: column;
        gap: 16px;
    }

    .contact-item {
        justify-content: center;
    }

    /* Footer */
    .footer {
        padding: 48px 0 32px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-brand p {
        max-width: 100%;
    }

    .footer-links {
        text-align: center;
    }

    .footer-links h4 {
        margin-bottom: 16px;
    }

    .footer-links li {
        margin-bottom: 10px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .footer-bottom p {
        font-size: 0.8125rem;
    }
}

/* Extra small screens */
@media (max-width: 380px) {
    .hero-title {
        font-size: 1.375rem;
    }

    .btn {
        padding: 12px 20px;
        font-size: 0.875rem;
    }

    .stat-item {
        padding: 12px;
    }

    .stat-number {
        font-size: 1.25rem;
    }

    .section-header h2,
    h2 {
        font-size: 1.5rem;
    }

    .trust-item {
        flex: 0 0 100%;
    }

    .case-study-card {
        padding: 18px;
    }

    .tech-feature,
    .biomarker-card {
        padding: 16px;
    }
}

/* Touch device optimizations */
@media (hover: none) {
    .btn:hover {
        transform: none;
    }

    .team-card:hover,
    .biomarker-card:hover,
    .tech-step:hover,
    .tech-feature:hover {
        transform: none;
        border-color: var(--border-subtle);
    }

    .btn-primary:hover {
        box-shadow: 0 4px 24px rgba(212, 169, 76, 0.3);
    }
}

/* Landscape mode on mobile */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: 100px 0 60px;
    }

    .hero-stats {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .stat-item {
        flex: 1 1 auto;
        min-width: 120px;
    }
}