/* CSS Variables */
:root {
    --primary-color: #0066cc;
    --primary-dark: #004d99;
    --primary-light: #e6f2ff;
    --secondary-color: #00a86b;
    --accent-color: #ff6b35;
    --text-primary: #1a1a2e;
    --text-secondary: #4a4a6a;
    --text-light: #6b6b8a;
    --bg-white: #ffffff;
    --bg-light: #f8f9fc;
    --bg-dark: #1a1a2e;
    --border-color: #e1e5eb;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p { color: var(--text-secondary); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

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

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

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--primary-light);
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: 16px 0;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    text-decoration: none;
}

.logo-text {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
}

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

.nav-links .btn {
    padding: 10px 20px;
}

.nav-links .btn-primary {
    color: white;
}

.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);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding: 160px 0 100px;
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-white) 100%);
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    margin-bottom: 24px;
    font-size: 3.5rem;
    line-height: 1.1;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Platform Diagram */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.platform-diagram {
    position: relative;
    width: 400px;
    height: 400px;
}

.diagram-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.diagram-core {
    width: 140px;
    height: 140px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    box-shadow: var(--shadow-lg);
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.diagram-node {
    position: absolute;
    width: 100px;
    height: 100px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
    text-align: center;
    padding: 10px;
}

.diagram-node::before {
    content: '';
    position: absolute;
    width: 60px;
    height: 2px;
    background: var(--border-color);
}

.node-emr {
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
}

.node-emr::before {
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%) rotate(90deg);
}

.node-ai {
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
}

.node-ai::before {
    left: -30px;
}

.node-apps {
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
}

.node-apps::before {
    top: -30px;
    left: 50%;
    transform: translateX(-50%) rotate(90deg);
}

.node-alerts {
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
}

.node-alerts::before {
    right: -30px;
}

/* Problem Section */
.problem-section {
    padding: 80px 0;
    background: var(--bg-dark);
    color: white;
}

.problem-section .section-title {
    color: white;
    margin-bottom: 24px;
}

.problem-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.stat-card {
    text-align: center;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
}

.problem-text {
    text-align: center;
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 800px;
    margin: 0 auto;
}

.problem-text strong {
    color: var(--secondary-color);
}

/* Section Styles */
.section-title {
    text-align: center;
    margin-bottom: 16px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 60px;
}

/* Platform Section */
.platform-section {
    padding: 100px 0;
    background: var(--bg-white);
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.platform-card {
    background: var(--bg-light);
    border-radius: var(--radius-md);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid transparent;
}

.platform-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.platform-icon {
    width: 64px;
    height: 64px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.platform-icon svg {
    width: 28px;
    height: 28px;
    color: var(--primary-color);
}

.platform-card h3 {
    margin-bottom: 12px;
    font-size: 1.2rem;
}

.platform-card p {
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Capabilities Section */
.capabilities-section {
    padding: 100px 0;
    background: var(--bg-light);
}

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

.capability-card {
    background: white;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.capability-header {
    padding: 20px 24px;
    color: white;
}

.capability-header.backstop { background: linear-gradient(135deg, #dc3545, #c82333); }
.capability-header.research { background: linear-gradient(135deg, #17a2b8, #138496); }
.capability-header.medication { background: linear-gradient(135deg, #28a745, #218838); }
.capability-header.resource { background: linear-gradient(135deg, #17a2b8, #138496); }
.capability-header.workflow { background: linear-gradient(135deg, #6f42c1, #5a32a3); }
.capability-header.quality { background: linear-gradient(135deg, #fd7e14, #e06b0a); }

.capability-card.custom .capability-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
}

.capability-header h3 {
    color: white;
    font-size: 1.1rem;
    margin: 0;
}

.capability-card > p {
    padding: 20px 24px;
    margin: 0;
    font-size: 0.95rem;
}

.capability-example {
    display: block;
    padding: 0 24px 20px;
    font-size: 0.85rem;
    color: var(--text-light);
    font-style: italic;
}

.capability-link {
    display: block;
    padding: 0 24px 20px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.capability-link:hover {
    text-decoration: underline;
}

/* AlertDx Section */
.alertdx-section {
    padding: 100px 0;
    background: var(--bg-white);
}

.alertdx-intro {
    max-width: 800px;
    margin: 0 auto 60px;
    text-align: center;
}

.alertdx-intro p {
    font-size: 1.15rem;
    line-height: 1.8;
}

.alertdx-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.feature-block {
    background: var(--bg-light);
    border-radius: var(--radius-md);
    padding: 32px;
}

.feature-block h3 {
    color: var(--primary-color);
    margin-bottom: 12px;
}

.feature-block > p {
    margin-bottom: 16px;
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding: 8px 0 8px 24px;
    position: relative;
    color: var(--text-secondary);
}

.feature-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 14px;
    width: 8px;
    height: 8px;
    background: var(--secondary-color);
    border-radius: 50%;
}

.finding-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 16px;
}

.finding-cat {
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    color: white;
}

.cat-h { background: #6366f1; }
.cat-c { background: #22c55e; }
.cat-e { background: #f59e0b; }
.cat-x { background: #ef4444; }

/* Benefits Section */
.benefits-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 24px;
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.benefit-check {
    width: 32px;
    height: 32px;
    background: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.benefit-check svg {
    width: 16px;
    height: 16px;
    color: white;
}

.benefit-text h4 {
    margin-bottom: 4px;
    font-size: 1rem;
}

.benefit-text p {
    font-size: 0.9rem;
    margin: 0;
}

/* Contact Section */
.contact-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    text-align: center;
}

.contact-section .section-title,
.contact-section .section-subtitle {
    color: white;
}

.contact-section .section-subtitle {
    opacity: 0.9;
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-info p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    margin-bottom: 24px;
}

.contact-email {
    display: inline-block;
    font-size: 1.5rem;
    font-weight: 600;
    color: white;
    text-decoration: none;
    padding: 16px 40px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.contact-email:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    margin-top: 8px;
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-bottom {
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 2.75rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-visual {
        display: none;
    }

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

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

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

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

@media (max-width: 768px) {
    h1 { font-size: 2.25rem; }
    h2 { font-size: 1.75rem; }

    .nav-links {
        display: none;
    }

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

    .hero {
        padding: 120px 0 60px;
    }

    .hero-content h1 {
        font-size: 2.25rem;
    }

    .problem-stats {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .platform-grid,
    .capabilities-grid,
    .benefits-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.75rem;
    }

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

    .btn-large {
        padding: 14px 24px;
        font-size: 1rem;
    }

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

    .contact-email {
        font-size: 1.1rem;
        padding: 14px 28px;
    }
}

/* ========================================
   LANDING PAGE STYLES
   ======================================== */

.landing-page {
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-white) 100%);
    min-height: 100vh;
}

.navbar-minimal {
    background: transparent;
    border-bottom: none;
    padding: 24px 0;
}

.navbar-minimal .container {
    justify-content: center;
}

.landing-hero {
    padding: 80px 0 60px;
    text-align: center;
}

.landing-hero h1 {
    font-size: 3.5rem;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.landing-subtitle {
    font-size: 1.35rem;
    color: var(--text-secondary);
    margin-bottom: 60px;
}

.choice-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}

.choice-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    text-decoration: none;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.choice-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.choice-platform:hover {
    border-color: var(--primary-color);
}

.choice-alertdx:hover {
    border-color: var(--accent-color);
}

.choice-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.choice-platform .choice-icon {
    background: var(--primary-light);
}

.choice-platform .choice-icon svg {
    color: var(--primary-color);
}

.choice-alertdx .choice-icon {
    background: #fff3ed;
}

.choice-alertdx .choice-icon svg {
    color: var(--accent-color);
}

.choice-icon svg {
    width: 36px;
    height: 36px;
}

.choice-card h2 {
    font-size: 1.5rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.built-on-grid {
    display: inline-block;
    font-size: 0.75rem;
    color: var(--primary);
    background: rgba(37, 99, 235, 0.1);
    padding: 4px 10px;
    border-radius: 12px;
    margin-bottom: 12px;
    font-weight: 500;
}

.choice-card > p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.choice-features {
    list-style: none;
    padding: 0;
    margin-bottom: 24px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.choice-features li {
    background: var(--bg-light);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.choice-cta {
    font-weight: 600;
    font-size: 1rem;
    margin-top: auto;
}

.choice-platform .choice-cta {
    color: var(--primary-color);
}

.choice-alertdx .choice-cta {
    color: var(--accent-color);
}

.choice-cta .arrow {
    transition: transform 0.3s ease;
    display: inline-block;
}

.choice-card:hover .choice-cta .arrow {
    transform: translateX(4px);
}

/* Landing Stats */
.landing-stats {
    padding: 60px 0;
    background: var(--bg-dark);
    color: white;
}

.stats-row {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 32px;
}

.stat-item {
    text-align: center;
}

.stat-item .stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-color);
    display: block;
}

.stat-item .stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    display: block;
    max-width: 180px;
}

.stats-note {
    text-align: center;
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
}

.stats-note strong {
    color: var(--secondary-color);
}

/* Minimal Footer */
.footer-minimal {
    background: var(--bg-white);
    border-top: 1px solid var(--border-color);
    padding: 30px 0;
}

.footer-minimal .footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: none;
    padding-bottom: 0;
}

.footer-minimal .logo-text {
    font-size: 1.25rem;
}

.footer-email {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.footer-email:hover {
    text-decoration: underline;
}

.footer-minimal .footer-copyright {
    text-align: center;
    margin-top: 16px;
    font-size: 0.85rem;
    color: var(--text-light);
}

/* ========================================
   PLATFORM & ALERTDX PAGE STYLES
   ======================================== */

.breadcrumb {
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb span {
    color: var(--text-light);
    margin: 0 8px;
}

/* Challenge Grid */
.challenge-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin: 40px 0;
}

.challenge-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 24px;
    border-radius: var(--radius-md);
    text-align: center;
}

.challenge-item h4 {
    color: white;
    margin-bottom: 8px;
    font-size: 1rem;
}

.challenge-item p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin: 0;
}

.problem-solution {
    text-align: center;
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.9);
    margin-top: 32px;
}

.problem-solution strong {
    color: var(--secondary-color);
}

/* Applications Section */
.applications-section {
    padding: 100px 0;
    background: var(--bg-light);
}

/* Architecture Section */
.architecture-section {
    padding: 100px 0;
    background: var(--bg-white);
}

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

.arch-component {
    background: var(--bg-light);
    padding: 28px 24px;
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-color);
}

.arch-component h4 {
    margin-bottom: 8px;
    font-size: 1rem;
}

.arch-component p {
    font-size: 0.9rem;
    margin: 0;
}

/* Showcase Section */
.showcase-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.showcase-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.showcase-text h2 {
    margin-bottom: 20px;
}

.showcase-text > p {
    margin-bottom: 24px;
    font-size: 1.1rem;
}

.showcase-features {
    list-style: none;
    padding: 0;
    margin-bottom: 32px;
}

.showcase-features li {
    padding: 8px 0 8px 28px;
    position: relative;
    color: var(--text-secondary);
}

.showcase-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 14px;
    width: 10px;
    height: 10px;
    background: var(--secondary-color);
    border-radius: 50%;
}

.alert-preview {
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.alert-header-preview {
    padding: 16px 20px;
    background: var(--bg-light);
    border-bottom: 1px solid var(--border-color);
}

.alert-badge {
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    color: white;
}

.alert-badge.red {
    background: #dc3545;
}

.alert-badge.yellow {
    background: #ffc107;
    color: var(--text-primary);
}

.alert-badge.blue {
    background: var(--primary-color);
}

.alert-body-preview {
    padding: 20px;
}

.alert-body-preview p {
    margin: 0 0 8px;
}

.alert-body-preview .alert-reason {
    font-size: 0.95rem;
    color: var(--text-light);
}

/* ========================================
   ALERTDX PAGE SPECIFIC STYLES
   ======================================== */

.alertdx-hero {
    background: linear-gradient(135deg, #fff5f2 0%, var(--bg-white) 100%);
}

.alertdx-hero .hero-content h1 {
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.alertdx-problem {
    padding-bottom: 60px;
}

.error-causes {
    max-width: 700px;
    margin: 50px auto 0;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    padding: 32px;
}

.error-causes h3 {
    color: white;
    margin-bottom: 16px;
    font-size: 1.2rem;
}

.error-causes > p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 16px;
}

.cause-list {
    list-style: none;
    padding: 0;
}

.cause-list li {
    padding: 10px 0 10px 28px;
    position: relative;
    color: rgba(255, 255, 255, 0.85);
}

.cause-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 16px;
    width: 8px;
    height: 8px;
    background: var(--accent-color);
    border-radius: 50%;
}

.cause-note {
    margin-top: 16px;
    font-style: italic;
    color: rgba(255, 255, 255, 0.7);
}

/* How It Works */
.how-it-works-section {
    padding: 100px 0;
    background: var(--bg-white);
}

.process-flow {
    max-width: 800px;
    margin: 0 auto;
}

.process-step {
    display: flex;
    gap: 24px;
    margin-bottom: 48px;
    position: relative;
}

.process-step:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 24px;
    top: 60px;
    bottom: -24px;
    width: 2px;
    background: var(--border-color);
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 600;
    flex-shrink: 0;
}

.step-content h3 {
    margin-bottom: 12px;
    color: var(--text-primary);
}

.step-content > p {
    margin-bottom: 16px;
}

.step-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.step-list li {
    background: var(--bg-light);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Alerts Section */
.alerts-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.alert-anatomy {
    display: flex;
    justify-content: center;
}

.alert-example {
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    max-width: 600px;
    width: 100%;
}

.alert-ex-header {
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.alert-ex-header.red {
    background: linear-gradient(135deg, #dc3545, #c82333);
    color: white;
}

.alert-level {
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.alert-conditions {
    font-weight: 500;
}

.alert-ex-body {
    padding: 24px;
}

.alert-section {
    margin-bottom: 20px;
}

.alert-section:last-child {
    margin-bottom: 0;
}

.alert-section h4 {
    font-size: 0.9rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
}

.alert-section p {
    margin: 0;
    line-height: 1.6;
}

.alert-section ul {
    margin: 0;
    padding-left: 20px;
}

.alert-section ul li {
    margin: 6px 0;
    color: var(--text-secondary);
}

.findings-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.finding {
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    background: #f3f4f6;
    color: #374151;
}

.finding.circled {
    border: 2px solid #3b82f6;
    border-radius: 20px;
    background: #eff6ff;
    color: #1d4ed8;
}

.findings-inline {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 12px 0;
}

.finding-h {
    background: #e0e7ff;
    color: #4338ca;
}

.finding-c {
    background: #dcfce7;
    color: #15803d;
}

.finding-e {
    background: #fef3c7;
    color: #b45309;
}

.finding-x {
    background: #fee2e2;
    color: #dc2626;
}

.alert-components {
    background: white;
    padding: 32px;
    border-radius: var(--radius-md);
}

.alert-components h3 {
    margin-bottom: 20px;
}

.component-list {
    list-style: none;
    padding: 0;
}

.component-list li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.component-list li:last-child {
    border-bottom: none;
}

.component-list strong {
    color: var(--text-primary);
}

/* Features Section */
.features-section {
    padding: 100px 0;
    background: var(--bg-white);
}

.features-section .alertdx-features {
    grid-template-columns: repeat(3, 1fr);
}

/* Platform Promo */
.platform-promo {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--bg-dark), #2a2a4a);
    color: white;
    text-align: center;
}

.promo-content h2 {
    color: white;
    margin-bottom: 16px;
}

.promo-content > p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.15rem;
    max-width: 700px;
    margin: 0 auto 40px;
}

.promo-features {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 40px;
}

.promo-feature {
    text-align: center;
}

.promo-feature h4 {
    color: var(--secondary-color);
    margin-bottom: 4px;
    font-size: 1rem;
}

.promo-feature p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin: 0;
}

/* ========================================
   RESPONSIVE ADDITIONS
   ======================================== */

@media (max-width: 1024px) {
    .choice-cards {
        max-width: 600px;
    }

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

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

    .showcase-content {
        grid-template-columns: 1fr;
    }

    .showcase-visual {
        order: -1;
    }

    .alert-anatomy {
        grid-template-columns: 1fr;
    }

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

    .promo-features {
        flex-wrap: wrap;
    }
}

@media (max-width: 768px) {
    .landing-hero h1 {
        font-size: 2.5rem;
    }

    .landing-subtitle {
        font-size: 1.1rem;
    }

    .choice-cards {
        grid-template-columns: 1fr;
        max-width: 400px;
    }

    .choice-card {
        padding: 32px 24px;
    }

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

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

    .challenge-grid,
    .architecture-grid {
        grid-template-columns: 1fr;
    }

    .process-step {
        flex-direction: column;
        text-align: center;
    }

    .process-step::after {
        display: none;
    }

    .step-number {
        margin: 0 auto;
    }

    .step-list {
        justify-content: center;
    }

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

    .promo-features {
        gap: 24px;
    }
}

@media (max-width: 480px) {
    .landing-hero h1 {
        font-size: 2rem;
    }

    .footer-minimal .footer-content {
        flex-direction: column;
        gap: 16px;
    }
}