/* EllaDx Website Styles */
/* Inspired by functionhealth.com with EllaDx branding */

/* ===== Font Import ===== */
/* Inter - Modern sans-serif for UX/UI */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500&display=swap');

/* ===== CSS Variables ===== */
:root {
    /* Primary Colors - Sage Green */
    --primary: #8fa88a;
    --primary-dark: #6b8566;
    --primary-light: #D5DCD0;
    --primary-50: rgba(213, 220, 208, 0.3);

    /* Accent Colors - Soft Rose/Blush for CTAs */
    --accent: #c9a0a0;
    --accent-dark: #b08080;
    --accent-light: #EDDFE2;

    /* Brand Palette */
    --sage: #D5DCD0;
    --lavender: #E0E5EE;
    --purple: #EAE6F0;
    --warm-cream: #F3EBE0;
    --blush: #EDDFE2;
    --background: #F8F5F1;

    /* Neutral Colors */
    --white: #ffffff;
    --cream: #F8F5F1;
    --cream-dark: #F3EBE0;
    --gray-50: #F8F5F1;
    --gray-100: #f0ebe5;
    --gray-200: #e0dbd5;
    --gray-300: #c5c0ba;
    --gray-400: #9a958f;
    --gray-500: #706b65;
    --gray-600: #524d47;
    --gray-700: #3d3833;
    --gray-800: #2a2520;
    --gray-900: #1a1510;

    /* Category Colors - Softer versions */
    --heart: #d4a5a5;
    --hormones: #b8a5d4;
    --metabolic: #d4c5a5;
    --nutrients: #a5d4b8;
    --cancer: #a5b8d4;
    --aging: #d4a5c5;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 500ms cubic-bezier(0.76, 0, 0.24, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    /* Support for notched devices */
    padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--background);
    overflow-x: hidden;
    /* Prevent horizontal scroll on mobile */
    max-width: 100vw;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

/* ===== Container ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 400;
    line-height: 1.2;
    color: var(--gray-900);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.125rem; }

/* ===== Buttons ===== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-6);
    background: var(--accent);
    color: var(--white);
    font-weight: 400;
    font-size: 0.9375rem;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.btn-primary:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-6);
    background: transparent;
    color: var(--gray-700);
    font-weight: 400;
    font-size: 0.9375rem;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    border: 2px solid var(--gray-200);
}

.btn-secondary:hover {
    border-color: var(--gray-400);
    color: var(--gray-900);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-6);
    background: transparent;
    color: var(--gray-600);
    font-weight: 400;
    font-size: 0.9375rem;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.btn-ghost:hover {
    color: var(--gray-900);
    background: var(--gray-100);
}

.btn-large {
    padding: var(--space-4) var(--space-8);
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: all var(--transition-base);
    /* Safe area for notched devices */
    padding-top: env(safe-area-inset-top);
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-4) var(--space-6);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--primary);
}

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

.logo-text {
    letter-spacing: -0.02em;
}

.logo-img {
    height: 130px;
    width: auto;
    max-width: 500px;
    object-fit: contain;
}

.footer-brand .logo-img {
    height: 100px;
    max-width: 400px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-links a {
    font-size: 0.9375rem;
    font-weight: 400;
    color: var(--gray-600);
    transition: color var(--transition-base);
    position: relative;
}

.nav-links a:hover {
    color: var(--gray-900);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition-base);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    border-radius: var(--radius-md);
}

.hamburger {
    position: relative;
    width: 20px;
    height: 2px;
    background: var(--gray-700);
    transition: all var(--transition-base);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 20px;
    height: 2px;
    background: var(--gray-700);
    transition: all var(--transition-base);
}

.hamburger::before { top: -6px; }
.hamburger::after { bottom: -6px; }

.mobile-menu-btn.active .hamburger {
    background: transparent;
}

.mobile-menu-btn.active .hamburger::before {
    transform: rotate(45deg);
    top: 0;
}

.mobile-menu-btn.active .hamburger::after {
    transform: rotate(-45deg);
    bottom: 0;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    z-index: 999;
    transform: translateX(100%);
    transition: transform var(--transition-smooth);
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-menu-content {
    padding: var(--space-8) var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.mobile-menu-content a {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--gray-700);
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--gray-100);
}

.mobile-menu-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-top: var(--space-4);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-24) var(--space-6);
    background: linear-gradient(180deg, var(--cream) 0%, var(--white) 100%);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

#hero-canvas {
    width: 100%;
    height: 100%;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
}

.hero-title {
    margin-bottom: var(--space-6);
    font-weight: 400;
    letter-spacing: -0.02em;
}

.title-highlight {
    color: var(--primary);
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: var(--gray-600);
    margin-bottom: var(--space-8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    flex-wrap: wrap;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 400;
    color: var(--primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-500);
    font-weight: 400;
    margin-top: var(--space-1);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--gray-200);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    color: var(--gray-400);
    font-size: 0.75rem;
    animation: bounce 2s infinite;
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--gray-300);
    border-radius: 12px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--gray-400);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

@keyframes scroll-wheel {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
}

/* ===== Trusted Section ===== */
.trusted-section {
    padding: var(--space-12) var(--space-6);
    background: var(--white);
    border-top: 1px solid var(--gray-100);
    border-bottom: 1px solid var(--gray-100);
}

.trusted-label {
    text-align: center;
    font-size: 0.875rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-8);
}

.trusted-logos {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-12);
    flex-wrap: wrap;
}

.logo-placeholder {
    font-size: 1rem;
    font-weight: 400;
    color: var(--gray-300);
    white-space: nowrap;
}

/* ===== Section Styles ===== */
.section-header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.section-tag {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: var(--primary-50);
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 400;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
}

.section-title {
    margin-bottom: var(--space-4);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== How It Works ===== */
.how-it-works {
    padding: var(--space-24) var(--space-6);
    background: var(--cream);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.step-card {
    background: var(--white);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.step-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.step-number {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    font-size: 3rem;
    font-weight: 300;
    color: var(--gray-100);
    line-height: 1;
}

.step-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-6);
    background: var(--primary-50);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

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

.step-card h3 {
    margin-bottom: var(--space-3);
}

.step-card p {
    color: var(--gray-600);
    font-size: 0.9375rem;
}

/* ===== What We Test ===== */
.what-we-test {
    padding: var(--space-24) var(--space-6);
    background: var(--white);
}

/* Disease Marquee */
.disease-marquee {
    overflow: hidden;
    margin-bottom: var(--space-12);
    padding: var(--space-4) 0;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
}

.marquee-content {
    display: flex;
    animation: marquee 30s linear infinite;
    gap: var(--space-8);
}

.marquee-content span {
    white-space: nowrap;
    font-size: 1rem;
    font-weight: 400;
    color: var(--gray-500);
    padding: var(--space-2) var(--space-4);
    background: var(--white);
    border-radius: var(--radius-full);
}

.disease-marquee:hover .marquee-content {
    animation-play-state: paused;
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Test Categories */
.test-categories {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.category-card {
    background: var(--cream);
    padding: var(--space-6);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.category-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.category-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-4);
}

.category-icon svg {
    width: 24px;
    height: 24px;
}

.category-icon.heart { background: rgba(239, 68, 68, 0.1); color: var(--heart); }
.category-icon.hormones { background: rgba(139, 92, 246, 0.1); color: var(--hormones); }
.category-icon.metabolic { background: rgba(245, 158, 11, 0.1); color: var(--metabolic); }
.category-icon.nutrients { background: rgba(16, 185, 129, 0.1); color: var(--nutrients); }
.category-icon.cancer { background: rgba(59, 130, 246, 0.1); color: var(--cancer); }
.category-icon.aging { background: rgba(236, 72, 153, 0.1); color: var(--aging); }

.category-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-3);
}

.biomarker-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.biomarker-list li {
    font-size: 0.875rem;
    color: var(--gray-600);
    padding-left: var(--space-4);
    position: relative;
}

.biomarker-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: var(--gray-300);
    border-radius: 50%;
}

/* ===== Dashboard Preview ===== */
.dashboard-preview {
    padding: var(--space-24) var(--space-6);
    background: var(--gray-900);
    color: var(--white);
}

.preview-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.preview-text .section-tag {
    background: rgba(13, 148, 136, 0.2);
}

.preview-text h2 {
    color: var(--white);
    margin-bottom: var(--space-4);
}

.preview-text p {
    color: var(--gray-400);
    margin-bottom: var(--space-6);
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--gray-300);
}

.check-icon {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

/* Dashboard Mockup */
.dashboard-mockup {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.mockup-header {
    background: var(--gray-100);
    padding: var(--space-3) var(--space-4);
}

.mockup-dots {
    display: flex;
    gap: var(--space-2);
}

.mockup-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gray-300);
}

.mockup-dots span:nth-child(1) { background: #ef4444; }
.mockup-dots span:nth-child(2) { background: #f59e0b; }
.mockup-dots span:nth-child(3) { background: #10b981; }

.mockup-content {
    padding: var(--space-8);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
}

.health-score {
    display: flex;
    align-items: center;
    justify-content: center;
}

.score-ring {
    position: relative;
    width: 140px;
    height: 140px;
}

.score-ring svg {
    transform: rotate(-90deg);
}

.score-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.score-number {
    font-size: 2.5rem;
    font-weight: 400;
    color: var(--gray-900);
    line-height: 1;
}

.score-label {
    font-size: 0.75rem;
    color: var(--gray-500);
}

.metric-bars {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.metric-bar {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.metric-name {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--gray-600);
}

.bar-track {
    height: 8px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.bar-fill {
    height: 100%;
    background: var(--primary);
    border-radius: var(--radius-full);
    transition: width 1s ease-out;
}

/* ===== Testimonials ===== */
.testimonials {
    padding: var(--space-24) var(--space-6);
    background: var(--cream);
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.testimonial-card {
    background: var(--white);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.testimonial-card.featured {
    background: var(--primary);
    color: var(--white);
}

.testimonial-card.featured .testimonial-content p {
    color: rgba(255, 255, 255, 0.9);
}

.testimonial-card.featured .author-name {
    color: var(--white);
}

.testimonial-card.featured .author-title {
    color: rgba(255, 255, 255, 0.7);
}

.testimonial-card.featured .author-avatar {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.testimonial-content {
    margin-bottom: var(--space-6);
}

.testimonial-content p {
    font-size: 1rem;
    color: var(--gray-600);
    line-height: 1.7;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: var(--primary-50);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 400;
    font-size: 0.875rem;
}

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

.author-name {
    font-weight: 400;
    color: var(--gray-900);
}

.author-title {
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* ===== Medical Board ===== */
.medical-board {
    padding: var(--space-24) var(--space-6);
    background: var(--white);
}

.board-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.board-member {
    text-align: center;
}

.member-image {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--space-4);
    border-radius: 50%;
    overflow: hidden;
}

.image-placeholder {
    width: 100%;
    height: 100%;
    background: var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--gray-400);
}

.board-member h4 {
    margin-bottom: var(--space-1);
}

.board-member p {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: var(--space-2);
}

.credential {
    font-size: 0.75rem;
    color: var(--gray-500);
    padding: var(--space-1) var(--space-2);
    background: var(--gray-100);
    border-radius: var(--radius-sm);
}

/* ===== Pricing ===== */
.pricing {
    padding: var(--space-24) var(--space-6);
    background: var(--cream);
}

.pricing-card {
    max-width: 500px;
    margin: 0 auto var(--space-16);
    background: var(--white);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.pricing-header {
    padding: var(--space-10);
    text-align: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
}

.price-amount {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: var(--space-1);
    margin-bottom: var(--space-2);
}

.currency {
    font-size: 1.5rem;
    font-weight: 400;
    margin-top: var(--space-2);
}

.price {
    font-size: 4rem;
    font-weight: 300;
    line-height: 1;
}

.period {
    font-size: 1.25rem;
    font-weight: 400;
    margin-top: var(--space-4);
    opacity: 0.8;
}

.price-daily {
    opacity: 0.9;
    margin-bottom: var(--space-4);
}

.hsa-badge {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 400;
}

.pricing-features {
    padding: var(--space-8) var(--space-10);
}

.pricing-features h4 {
    margin-bottom: var(--space-4);
    color: var(--gray-700);
}

.pricing-features ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--gray-600);
}

.pricing-features .check {
    width: 20px;
    height: 20px;
    stroke: var(--primary);
    stroke-width: 3;
    fill: none;
}

/* Comparison Table */
.comparison-table {
    max-width: 800px;
    margin: 0 auto;
}

.comparison-table h3 {
    text-align: center;
    margin-bottom: var(--space-6);
}

.table-wrapper {
    overflow-x: auto;
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: var(--space-4) var(--space-6);
    text-align: left;
}

th {
    background: var(--gray-50);
    font-weight: 400;
    color: var(--gray-700);
}

th.highlight {
    background: var(--primary);
    color: var(--white);
}

td {
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-600);
}

td.highlight {
    background: var(--primary-50);
    color: var(--primary-dark);
    font-weight: 400;
}

.x-icon {
    width: 20px;
    height: 20px;
    stroke: var(--gray-400);
    stroke-width: 2;
}

.check-icon {
    width: 20px;
    height: 20px;
    stroke: var(--primary);
    stroke-width: 3;
    fill: none;
}

/* ===== FAQ ===== */
.faq {
    padding: var(--space-24) var(--space-6);
    background: var(--white);
}

.faq-list {
    max-width: 700px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--gray-100);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5) 0;
    font-size: 1.0625rem;
    font-weight: 400;
    color: var(--gray-900);
    text-align: left;
    transition: color var(--transition-base);
}

.faq-question:hover {
    color: var(--primary);
}

.faq-icon {
    width: 24px;
    height: 24px;
    stroke: currentColor;
    stroke-width: 2;
    transition: transform var(--transition-base);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding-bottom: var(--space-5);
    color: var(--gray-600);
    line-height: 1.7;
}

/* ===== Page Header (for subpages) ===== */
.page-header {
    padding: var(--space-24) var(--space-6) var(--space-12);
    padding-top: calc(var(--space-24) + 100px);
    background: linear-gradient(180deg, var(--cream) 0%, var(--lavender) 100%);
    text-align: center;
}

.page-header-content {
    max-width: 700px;
    margin: 0 auto;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--gray-500);
    font-size: 0.875rem;
    font-weight: 400;
    margin-bottom: var(--space-6);
    transition: color var(--transition-base);
}

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

.page-title {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--space-4);
}

.page-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Biomarkers Section ===== */
.biomarkers-section {
    padding: var(--space-24) var(--space-6);
    background: var(--lavender);
}

.biomarkers-section.biomarkers-page {
    padding-top: var(--space-12);
}

.biomarker-categories {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
}

.biomarker-category {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-sm);
}

.biomarker-category .category-title {
    font-size: 1.125rem;
    font-weight: 400;
    color: var(--primary-dark);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 2px solid var(--primary-50);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.biomarker-category .category-title::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
}

.biomarkers-section .biomarker-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.biomarker-item {
    border-bottom: 1px solid var(--gray-100);
}

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

.biomarker-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) 0;
    font-size: 0.9375rem;
    font-weight: 400;
    color: var(--gray-800);
    text-align: left;
    transition: color var(--transition-base);
}

.biomarker-question:hover {
    color: var(--primary);
}

.biomarker-icon {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
    transition: transform var(--transition-base);
    flex-shrink: 0;
}

.biomarker-item.active .biomarker-icon {
    transform: rotate(45deg);
}

.biomarker-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.biomarker-item.active .biomarker-answer {
    max-height: 500px;
}

.biomarker-answer p {
    padding-bottom: var(--space-4);
    color: var(--gray-600);
    font-size: 0.875rem;
    line-height: 1.7;
}

.biomarkers-cta {
    text-align: center;
    margin-top: var(--space-16);
    padding: var(--space-12);
    background: var(--white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
}

.biomarkers-cta h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-3);
}

.biomarkers-cta p {
    color: var(--gray-600);
    margin-bottom: var(--space-6);
}

/* ===== Biomarkers Layout with Sidebar ===== */
.biomarkers-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--space-8);
    align-items: start;
}

.biomarkers-sidebar {
    position: relative;
}

.sidebar-sticky {
    position: sticky;
    top: 100px;
}

/* Biomarker Search */
.biomarker-search {
    position: relative;
    margin-bottom: var(--space-6);
}

.biomarker-search .search-icon {
    position: absolute;
    left: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    stroke: var(--gray-400);
    pointer-events: none;
}

.biomarker-search input {
    width: 100%;
    padding: var(--space-3) var(--space-4) var(--space-3) var(--space-12);
    font-size: 0.9375rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    background: var(--white);
    transition: all var(--transition-base);
}

.biomarker-search input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(143, 168, 138, 0.2);
}

.biomarker-search input::placeholder {
    color: var(--gray-400);
}

/* Jump To Section */
.jump-to-section {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    box-shadow: var(--shadow-sm);
}

.jump-to-label {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--gray-500);
    letter-spacing: 0.05em;
    margin-bottom: var(--space-3);
}

.category-tags {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.category-tag {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--gray-700);
    background: var(--gray-50);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    text-align: left;
    transition: all var(--transition-base);
    cursor: pointer;
}

.category-tag:hover {
    background: var(--primary-50);
    color: var(--primary-dark);
    border-color: var(--primary-100);
}

.category-tag.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.category-tag::before {
    content: '';
    width: 6px;
    height: 6px;
    background: currentColor;
    border-radius: 50%;
    flex-shrink: 0;
}

/* Search Results Count */
.search-results-count {
    margin-top: var(--space-4);
    padding: var(--space-3) var(--space-4);
    background: var(--primary-50);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--primary-dark);
    text-align: center;
}

#results-number {
    font-weight: 500;
}

/* Main Content Area */
.biomarkers-main {
    min-width: 0;
}

.biomarkers-main .biomarker-categories {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

.biomarkers-main .biomarker-category {
    scroll-margin-top: 120px;
}

/* Search highlighting */
.biomarker-item.search-hidden {
    display: none;
}

.biomarker-category.search-hidden {
    display: none;
}

.biomarker-item.search-match .biomarker-question span {
    background: linear-gradient(120deg, var(--primary-50) 0%, var(--primary-50) 100%);
    background-repeat: no-repeat;
    background-size: 100% 40%;
    background-position: 0 90%;
}

/* No results message */
.no-results-message {
    text-align: center;
    padding: var(--space-12);
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
}

.no-results-message h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-2);
    color: var(--gray-700);
}

.no-results-message p {
    color: var(--gray-500);
}

/* ===== Biomarkers Teaser (homepage) ===== */
.biomarkers-teaser {
    padding: var(--space-24) var(--space-6);
    background: var(--lavender);
    text-align: center;
}

.teaser-content {
    max-width: 700px;
    margin: 0 auto;
}

.teaser-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-12);
    margin-bottom: var(--space-8);
}

.teaser-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.teaser-number {
    font-size: 2.5rem;
    font-weight: 400;
    color: var(--primary);
    line-height: 1;
}

.teaser-label {
    font-size: 0.875rem;
    color: var(--gray-600);
    font-weight: 400;
    margin-top: var(--space-1);
}

.teaser-categories {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-2);
    margin-bottom: var(--space-8);
}

.teaser-tag {
    padding: var(--space-2) var(--space-4);
    background: var(--white);
    color: var(--gray-700);
    font-size: 0.875rem;
    font-weight: 400;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
}

/* ===== CTA Section ===== */
.cta-section {
    padding: var(--space-24) var(--space-6);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    text-align: center;
}

.cta-content h2 {
    color: var(--white);
    margin-bottom: var(--space-4);
}

.cta-content p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.125rem;
    margin-bottom: var(--space-8);
}

.cta-section .btn-primary {
    background: var(--white);
    color: var(--primary);
}

.cta-section .btn-primary:hover {
    background: var(--cream);
    transform: translateY(-2px);
}

/* ===== Footer ===== */
.footer {
    padding: var(--space-16) var(--space-6) var(--space-8);
    padding-bottom: calc(var(--space-8) + env(safe-area-inset-bottom));
    padding-left: calc(var(--space-6) + env(safe-area-inset-left));
    padding-right: calc(var(--space-6) + env(safe-area-inset-right));
    background: var(--gray-900);
    color: var(--gray-400);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 2fr;
    gap: var(--space-8);
    margin-bottom: var(--space-12);
}

.footer-brand .footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--white);
    margin-bottom: var(--space-4);
}

.footer-brand p {
    font-size: 0.9375rem;
    margin-bottom: var(--space-6);
    max-width: 280px;
}

.social-links {
    display: flex;
    gap: var(--space-3);
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.social-links a:hover {
    background: var(--primary);
    color: var(--white);
}

.social-links svg {
    width: 18px;
    height: 18px;
}

.footer-links h4 {
    color: var(--white);
    font-size: 0.875rem;
    margin-bottom: var(--space-4);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

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

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

.footer-newsletter h4 {
    color: var(--white);
    font-size: 0.875rem;
    margin-bottom: var(--space-2);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-newsletter p {
    font-size: 0.9375rem;
    margin-bottom: var(--space-4);
}

.newsletter-form {
    display: flex;
    gap: var(--space-2);
}

.newsletter-form input {
    flex: 1;
    padding: var(--space-3) var(--space-4);
    background: var(--gray-800);
    border: 1px solid var(--gray-700);
    border-radius: var(--radius-md);
    color: var(--white);
    font-size: 0.9375rem;
}

.newsletter-form input::placeholder {
    color: var(--gray-500);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--primary);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-8);
    border-top: 1px solid var(--gray-800);
}

.footer-bottom p {
    font-size: 0.875rem;
}

.footer-legal {
    display: flex;
    gap: var(--space-6);
}

.footer-legal a {
    font-size: 0.875rem;
    transition: color var(--transition-base);
}

.footer-legal a:hover {
    color: var(--white);
}

/* ===== Feature Showcase Section ===== */
.feature-showcase {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: #6b7280;
}

.showcase-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.showcase-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.showcase-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(107, 114, 128, 0.7) 0%,
        rgba(75, 85, 99, 0.6) 100%
    );
}

.showcase-content {
    position: relative;
    z-index: 2;
    width: 100%;
    padding: var(--space-16) 0;
}

.showcase-headline {
    text-align: center;
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 300;
    color: var(--white);
    margin-bottom: var(--space-12);
    padding: 0 var(--space-6);
}

.showcase-headline em {
    font-style: italic;
}

.showcase-carousel-wrapper {
    position: relative;
    width: 100%;
    overflow: hidden;
    mask-image: linear-gradient(
        to right,
        transparent,
        black 5%,
        black 95%,
        transparent
    );
    -webkit-mask-image: linear-gradient(
        to right,
        transparent,
        black 5%,
        black 95%,
        transparent
    );
}

.showcase-carousel {
    display: flex;
    gap: var(--space-6);
    padding: var(--space-4) var(--space-6);
    animation: showcase-scroll 40s linear infinite;
    width: max-content;
}

.showcase-carousel:hover {
    animation-play-state: paused;
}

@keyframes showcase-scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(-50% - var(--space-3)));
    }
}

.showcase-card {
    flex-shrink: 0;
    width: 280px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-base);
}

.showcase-card:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.showcase-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-2);
}

.showcase-card h3 {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--white);
}

.showcase-badge {
    font-size: 0.75rem;
    font-weight: 500;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    background: rgba(143, 168, 138, 0.3);
    color: var(--white);
}

.showcase-badge.negative {
    background: rgba(143, 168, 138, 0.4);
}

.showcase-badge.optimal {
    background: rgba(143, 168, 138, 0.5);
}

.showcase-badge.low {
    background: rgba(201, 160, 160, 0.4);
}

.showcase-card p {
    font-size: 0.875rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.5;
    margin-bottom: var(--space-4);
}

.showcase-chart {
    margin-bottom: var(--space-3);
    color: rgba(255, 255, 255, 0.6);
}

.showcase-chart svg {
    width: 100%;
    height: 30px;
}

.showcase-included {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.8125rem;
    color: rgba(143, 168, 138, 1);
    font-weight: 400;
}

.showcase-included svg {
    width: 18px;
    height: 18px;
}

.showcase-pause-btn {
    position: absolute;
    bottom: var(--space-6);
    right: var(--space-6);
    z-index: 3;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    cursor: pointer;
    transition: all var(--transition-base);
}

.showcase-pause-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

.showcase-pause-btn svg {
    width: 20px;
    height: 20px;
}

/* ===== Responsive Design ===== */

/* Large Desktop (1400px+) */
@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }

    .hero-content {
        max-width: 900px;
    }

    .section-subtitle {
        max-width: 700px;
    }
}

/* Desktop (1024px - 1399px) */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr 1fr;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }

    .footer-newsletter {
        grid-column: 1 / -1;
    }

    .preview-content {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }

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

    .trusted-logos {
        gap: var(--space-8);
    }

    /* Biomarkers layout - narrower sidebar */
    .biomarkers-layout {
        grid-template-columns: 240px 1fr;
        gap: var(--space-6);
    }
}

/* Tablet (768px - 1023px) */
@media (max-width: 768px) {
    /* Navigation */
    .nav-links,
    .nav-actions {
        display: none;
    }

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

    .nav-container {
        padding: var(--space-3) var(--space-4);
    }

    .logo-img {
        height: 90px;
        max-width: 350px;
    }

    /* Mobile Menu Improvements */
    .mobile-menu {
        top: 64px;
    }

    .mobile-menu-content {
        padding: var(--space-6) var(--space-4);
    }

    .mobile-menu-content a {
        font-size: 1.125rem;
        padding: var(--space-3) 0;
    }

    .mobile-menu-actions {
        padding-top: var(--space-4);
    }

    .mobile-menu-actions .btn-primary,
    .mobile-menu-actions .btn-secondary {
        width: 100%;
        padding: var(--space-4) var(--space-6);
        font-size: 1rem;
        justify-content: center;
    }

    /* Hero Section */
    .hero {
        padding: var(--space-20) var(--space-4);
        min-height: auto;
        padding-top: calc(var(--space-24) + 64px);
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--space-4);
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

    .stat-number {
        font-size: 2rem;
    }

    .scroll-indicator {
        display: none;
    }

    /* Sections */
    .how-it-works,
    .what-we-test,
    .testimonials,
    .medical-board,
    .pricing,
    .faq,
    .cta-section {
        padding: var(--space-16) var(--space-4);
    }

    .section-header {
        margin-bottom: var(--space-8);
    }

    /* Steps Grid */
    .steps-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .step-card {
        padding: var(--space-6);
    }

    /* Test Categories */
    .test-categories {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);
    }

    .category-card {
        padding: var(--space-5);
    }

    .category-card h3 {
        font-size: 1rem;
    }

    /* Trusted Section */
    .trusted-section {
        padding: var(--space-8) var(--space-4);
    }

    .trusted-logos {
        gap: var(--space-6);
    }

    .logo-placeholder {
        font-size: 0.875rem;
    }

    /* Disease Marquee */
    .disease-marquee {
        margin-bottom: var(--space-8);
    }

    .marquee-content span {
        font-size: 0.875rem;
        padding: var(--space-2) var(--space-3);
    }

    /* Testimonials */
    .testimonial-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .testimonial-card.featured {
        order: -1;
    }

    .testimonial-card {
        padding: var(--space-6);
    }

    /* Board Grid */
    .board-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);
    }

    .member-image {
        width: 100px;
        height: 100px;
    }

    /* Comparison Table */
    .comparison-table {
        margin: 0 calc(-1 * var(--space-4));
    }

    .table-wrapper {
        border-radius: 0;
    }

    th, td {
        padding: var(--space-3) var(--space-4);
        font-size: 0.875rem;
    }

    /* Footer */
    .footer {
        padding: var(--space-12) var(--space-4) var(--space-6);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-6);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }

    .footer-legal {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--space-4);
    }

    /* Buttons - larger touch targets */
    .btn-primary,
    .btn-secondary,
    .btn-ghost {
        padding: var(--space-4) var(--space-6);
        min-height: 48px;
    }

    .btn-large {
        padding: var(--space-4) var(--space-8);
    }

    /* FAQ */
    .faq-question {
        padding: var(--space-4) 0;
        font-size: 1rem;
    }

    /* Biomarkers Section */
    .biomarkers-section {
        padding: var(--space-16) var(--space-4);
    }

    /* Biomarkers Layout - Stack on tablet */
    .biomarkers-layout {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .sidebar-sticky {
        position: relative;
        top: 0;
    }

    .biomarkers-sidebar {
        order: -1;
    }

    .jump-to-section {
        padding: var(--space-4);
    }

    .category-tags {
        flex-direction: row;
        flex-wrap: wrap;
        gap: var(--space-2);
    }

    .category-tag {
        flex: 0 0 auto;
        padding: var(--space-2) var(--space-3);
        font-size: 0.8125rem;
    }

    .biomarker-categories {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .biomarker-category {
        padding: var(--space-5);
    }

    .biomarker-question {
        padding: var(--space-3) 0;
        font-size: 0.875rem;
    }

    .biomarker-answer p {
        font-size: 0.8125rem;
    }

    /* Biomarkers Teaser */
    .biomarkers-teaser {
        padding: var(--space-16) var(--space-4);
    }

    .teaser-stats {
        gap: var(--space-6);
    }

    .teaser-number {
        font-size: 2rem;
    }

    /* Page Header */
    .page-header {
        padding-top: calc(var(--space-16) + 64px);
        padding-bottom: var(--space-8);
    }

    .page-title {
        font-size: 1.75rem;
    }

    /* Dashboard Preview */
    .dashboard-preview {
        padding: var(--space-16) var(--space-4);
    }

    .preview-text {
        text-align: center;
    }

    .preview-text h2 {
        font-size: 1.75rem;
    }

    .feature-list {
        align-items: center;
    }

    /* Feature Showcase */
    .feature-showcase {
        min-height: 500px;
    }

    .showcase-headline {
        font-size: 1.75rem;
        margin-bottom: var(--space-8);
    }

    .showcase-card {
        width: 240px;
        padding: var(--space-4);
    }

    .showcase-card h3 {
        font-size: 1.125rem;
    }

    .showcase-card p {
        font-size: 0.8125rem;
    }

    .showcase-pause-btn {
        bottom: var(--space-4);
        right: var(--space-4);
        width: 40px;
        height: 40px;
    }
}

/* Mobile (480px - 767px) */
@media (max-width: 480px) {
    /* Container */
    .container {
        padding: 0 var(--space-4);
    }

    /* Typography */
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.125rem; }

    /* Navigation */
    .logo-img {
        height: 70px;
        max-width: 280px;
    }

    /* Hero */
    .hero {
        padding-top: calc(var(--space-20) + 70px);
    }

    .hero-cta {
        flex-direction: column;
        width: 100%;
    }

    .hero-cta .btn-primary,
    .hero-cta .btn-ghost {
        width: 100%;
    }

    .stat-number {
        font-size: 1.75rem;
    }

    /* Test Categories */
    .test-categories {
        grid-template-columns: 1fr;
    }

    /* Board Grid */
    .board-grid {
        grid-template-columns: 1fr;
    }

    .member-image {
        width: 80px;
        height: 80px;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

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

    .social-links {
        justify-content: center;
    }

    .footer-links ul {
        align-items: center;
    }

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

    .newsletter-form {
        flex-direction: column;
    }

    .newsletter-form input {
        text-align: center;
    }

    .newsletter-form .btn-primary {
        width: 100%;
    }

    /* Dashboard Mockup */
    .mockup-content {
        grid-template-columns: 1fr;
        padding: var(--space-4);
    }

    .score-ring {
        width: 120px;
        height: 120px;
    }

    .score-number {
        font-size: 2rem;
    }

    /* Pricing */
    .pricing-header,
    .pricing-features {
        padding: var(--space-6);
    }

    .price {
        font-size: 3rem;
    }

    .pricing-features ul {
        gap: var(--space-4);
    }

    .pricing-features li {
        font-size: 0.9375rem;
    }

    /* Comparison Table */
    th, td {
        padding: var(--space-2) var(--space-3);
        font-size: 0.8125rem;
    }

    /* Trusted Section */
    .trusted-logos {
        flex-direction: column;
        gap: var(--space-3);
    }

    /* CTA Section */
    .cta-content p {
        font-size: 1rem;
    }

    /* Biomarkers Page - Mobile */
    .biomarkers-section.biomarkers-page {
        padding: var(--space-12) var(--space-4);
    }

    .biomarker-search input {
        font-size: 1rem;
        padding: var(--space-3) var(--space-3) var(--space-3) var(--space-10);
    }

    .biomarker-search .search-icon {
        left: var(--space-3);
        width: 18px;
        height: 18px;
    }

    .jump-to-label {
        font-size: 0.6875rem;
    }

    .category-tag {
        font-size: 0.75rem;
        padding: var(--space-1) var(--space-2);
    }

    .biomarker-category {
        padding: var(--space-4);
        border-radius: var(--radius-lg);
    }

    .biomarker-category .category-title {
        font-size: 1rem;
    }

    .biomarker-question {
        font-size: 0.8125rem;
    }

    .biomarker-answer p {
        font-size: 0.75rem;
        line-height: 1.6;
    }

    .biomarkers-cta {
        padding: var(--space-8);
        margin-top: var(--space-10);
    }

    .biomarkers-cta h3 {
        font-size: 1.25rem;
    }

    /* Page Header - Mobile */
    .page-header {
        padding: var(--space-12) var(--space-4) var(--space-8);
        padding-top: calc(var(--space-12) + 70px);
    }

    .page-title {
        font-size: 1.5rem;
    }

    .page-subtitle {
        font-size: 0.9375rem;
    }

    .back-link {
        font-size: 0.8125rem;
    }
}

/* Extra Small Mobile (under 360px) */
@media (max-width: 360px) {
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.375rem; }

    .hero {
        padding: var(--space-16) var(--space-3);
        padding-top: calc(var(--space-16) + 56px);
    }

    .logo-img {
        height: 56px;
        max-width: 220px;
    }

    .price {
        font-size: 2.5rem;
    }

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

    .btn-primary,
    .btn-secondary {
        padding: var(--space-3) var(--space-4);
        font-size: 0.875rem;
    }

    /* Biomarkers - Extra Small */
    .biomarkers-section.biomarkers-page {
        padding: var(--space-8) var(--space-3);
    }

    .biomarker-search {
        margin-bottom: var(--space-4);
    }

    .jump-to-section {
        padding: var(--space-3);
    }

    .category-tag {
        font-size: 0.6875rem;
        padding: 4px 8px;
    }

    .category-tag::before {
        width: 4px;
        height: 4px;
    }

    .biomarker-category {
        padding: var(--space-3);
    }

    .biomarker-category .category-title {
        font-size: 0.9375rem;
        margin-bottom: var(--space-3);
        padding-bottom: var(--space-2);
    }

    .biomarker-question {
        font-size: 0.75rem;
        padding: var(--space-2) 0;
    }

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

    .biomarker-answer p {
        font-size: 0.6875rem;
    }

    /* Page Header - Extra Small */
    .page-header {
        padding-top: calc(var(--space-10) + 56px);
        padding-bottom: var(--space-6);
    }

    .page-title {
        font-size: 1.375rem;
    }

    .page-subtitle {
        font-size: 0.875rem;
    }

    .back-link {
        font-size: 0.75rem;
        gap: var(--space-1);
    }

    .back-link svg {
        width: 16px;
        height: 16px;
    }

    .biomarkers-cta {
        padding: var(--space-6);
        margin-top: var(--space-8);
    }

    .biomarkers-cta h3 {
        font-size: 1.125rem;
    }

    .biomarkers-cta p {
        font-size: 0.875rem;
    }

    /* Feature Showcase - Mobile */
    .feature-showcase {
        min-height: 450px;
    }

    .showcase-content {
        padding: var(--space-10) 0;
    }

    .showcase-headline {
        font-size: 1.5rem;
        margin-bottom: var(--space-6);
        padding: 0 var(--space-4);
    }

    .showcase-card {
        width: 220px;
        padding: var(--space-4);
    }

    .showcase-card h3 {
        font-size: 1rem;
    }

    .showcase-badge {
        font-size: 0.6875rem;
        padding: 2px var(--space-2);
    }

    .showcase-card p {
        font-size: 0.75rem;
        margin-bottom: var(--space-3);
    }

    .showcase-carousel {
        gap: var(--space-4);
    }

    .showcase-pause-btn {
        width: 36px;
        height: 36px;
        bottom: var(--space-3);
        right: var(--space-3);
    }

    .showcase-pause-btn svg {
        width: 16px;
        height: 16px;
    }
}

/* Landscape Mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding-top: calc(var(--space-16) + 64px);
        padding-bottom: var(--space-12);
    }

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

    .stat-divider {
        width: 1px;
        height: 30px;
    }
}

/* High DPI / Retina displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .logo-img {
        image-rendering: -webkit-optimize-contrast;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .scroll-indicator {
        animation: none;
    }

    .wheel {
        animation: none;
    }

    .marquee-content {
        animation: none;
    }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    /* Larger tap targets for touch */
    .btn-primary,
    .btn-secondary,
    .btn-ghost {
        min-height: 48px;
        min-width: 48px;
    }

    .category-tag {
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    .biomarker-question {
        min-height: 48px;
        display: flex;
        align-items: center;
    }

    .nav-links a,
    .footer-links a {
        min-height: 44px;
        display: inline-flex;
        align-items: center;
    }

    .mobile-menu-btn {
        min-width: 48px;
        min-height: 48px;
    }

    /* Remove hover effects on touch */
    .btn-primary:hover,
    .btn-secondary:hover,
    .category-tag:hover {
        transform: none;
    }

    /* Better touch feedback */
    .btn-primary:active,
    .btn-secondary:active {
        transform: scale(0.98);
    }

    .category-tag:active {
        background: var(--primary);
        color: var(--white);
    }

    .biomarker-question:active {
        background: var(--gray-50);
    }
}

/* Print styles */
@media print {
    .navbar,
    .mobile-menu,
    .scroll-indicator,
    .hero-background,
    .cta-section,
    .newsletter-form {
        display: none !important;
    }

    .hero {
        min-height: auto;
        padding: var(--space-8);
    }

    body {
        font-size: 12pt;
    }
}