/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Unified Brand Palette */
    --color-primary: #0a4d8c;
    --color-primary-dark: #083a6b;
    --color-primary-light: #1565b8;
    
    --color-geotape: #0a4d8c;
    --color-geoalert: #1a1a1a;
    --color-geowatch: #2c3e50;
    
    --color-bg: #ffffff;
    --color-bg-alt: #f8f9fa;
    --color-bg-dark: #1a1a1a;
    
    --color-text: #2c3e50;
    --color-text-light: #6c757d;
    --color-text-inverse: #ffffff;
    
    --color-border: #dee2e6;
    --color-border-dark: #495057;
    
    --color-success: #27ae60;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Borders */
    --border-radius: 8px;
    --border-radius-lg: 12px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 20px rgba(0, 0, 0, 0.15);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    flex-direction: column;
}

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

.logo-tagline {
    font-size: 0.75rem;
    color: var(--color-text-light);
    font-weight: 400;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--color-text);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

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

.nav-menu .btn-primary {
    color: var(--color-text-inverse) !important;
}

.nav-menu .btn-primary:hover {
    color: var(--color-text-inverse) !important;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--color-primary);
    margin: 3px 0;
    transition: 0.3s;
}

/* Buttons */
.btn-primary,
.btn-secondary,
.btn-large,
.btn-product {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

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

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

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

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-product {
    width: 100%;
    text-align: center;
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-border);
    padding: 0.75rem;
}

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

/* Hero Section */
.hero {
    margin-top: 80px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-text-inverse);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
    font-weight: 400;
}

.hero-description {
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
}

.hero-description p {
    font-size: 1.15rem;
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.hero-cta .btn-secondary {
    background-color: var(--color-text-inverse);
    color: var(--color-primary);
    border-color: var(--color-text-inverse);
}

.hero-cta .btn-secondary:hover {
    background-color: var(--color-bg-alt);
}

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

.section-alt {
    background-color: var(--color-bg-alt);
}

.section-dark {
    background-color: var(--color-bg-dark);
    color: var(--color-text-inverse);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    text-align: center;
    color: var(--color-primary);
}

.section-dark .section-title {
    color: var(--color-text-inverse);
}

.section-intro {
    text-align: center;
    font-size: 1.2rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-dark .section-intro {
    color: rgba(255, 255, 255, 0.8);
}

.lead {
    font-size: 1.25rem;
    line-height: 1.7;
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
}

.section-dark .lead {
    color: rgba(255, 255, 255, 0.9);
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.product-card {
    background-color: var(--color-bg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    overflow: hidden;
}

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

.product-card.geotape {
    border-top: 4px solid var(--color-geotape);
}

.product-card.geoalert {
    border-top: 4px solid var(--color-geoalert);
}

.product-card.geowatch {
    border-top: 4px solid var(--color-geowatch);
}

.product-header {
    padding: var(--spacing-md);
    background-color: var(--color-bg-alt);
}

.product-number {
    display: inline-block;
    width: 40px;
    height: 40px;
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
    border-radius: 50%;
    text-align: center;
    line-height: 40px;
    font-weight: bold;
    margin-bottom: var(--spacing-sm);
}

.product-header h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--color-primary);
}

.product-tagline {
    font-size: 0.95rem;
    color: var(--color-text-light);
    font-weight: 500;
}

.product-body {
    padding: var(--spacing-md);
    flex: 1;
}

.product-description {
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.product-features {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.product-features li {
    padding: var(--spacing-xs) 0;
    padding-left: 1.5rem;
    position: relative;
    font-size: 0.95rem;
}

.product-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: bold;
}

.product-use {
    padding: var(--spacing-sm);
    background-color: var(--color-bg-alt);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
}

.product-footer {
    padding: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

/* Stack Visual */
.stack-visual {
    max-width: 600px;
    margin: var(--spacing-xl) auto;
}

.stack-layer-visual {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-lg);
    border: 2px solid rgba(255, 255, 255, 0.1);
    margin-bottom: var(--spacing-sm);
}

.layer-icon {
    font-size: 3rem;
    min-width: 60px;
    text-align: center;
}

.layer-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.layer-function {
    font-size: 0.9rem;
    opacity: 0.8;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}

.layer-description {
    font-size: 1rem;
    opacity: 0.9;
}

.stack-arrow {
    text-align: center;
    font-size: 2rem;
    color: rgba(255, 255, 255, 0.5);
    margin: var(--spacing-sm) 0;
}

.stack-explanation {
    margin-top: var(--spacing-xl);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.stack-explanation h3 {
    text-align: center;
    font-size: 1.8rem;
    margin-bottom: var(--spacing-lg);
}

.explanation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.explanation-item {
    padding: var(--spacing-md);
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.explanation-item h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.9);
}

.explanation-item p {
    opacity: 0.9;
}

/* Comparison Table */
.comparison-table {
    margin: var(--spacing-lg) 0;
    overflow-x: auto;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--color-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.comparison-table th,
.comparison-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.comparison-table th {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
    font-weight: 600;
}

.comparison-table td {
    text-align: center;
}

.comparison-table td:first-child {
    text-align: left;
    font-weight: 500;
}

.comparison-table tr:hover {
    background-color: var(--color-bg-alt);
}

/* Recommendation Boxes */
.recommendation-boxes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.recommendation {
    padding: var(--spacing-md);
    background-color: var(--color-bg-alt);
    border-radius: var(--border-radius-lg);
    border: 2px solid var(--color-border);
    text-align: center;
    transition: all 0.3s ease;
}

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

.recommendation.featured {
    border-color: var(--color-primary);
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
}

.recommendation h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.recommendation p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
}

.recommendation.featured p {
    color: rgba(255, 255, 255, 0.9);
}

.rec-products {
    display: flex;
    gap: var(--spacing-xs);
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.badge {
    padding: 0.4rem 0.8rem;
    border-radius: var(--border-radius);
    font-size: 0.85rem;
    font-weight: 600;
    background-color: var(--color-bg);
    color: var(--color-text);
}

.badge.geotape {
    background-color: var(--color-geotape);
    color: var(--color-text-inverse);
}

.badge.geoalert {
    background-color: var(--color-geoalert);
    color: var(--color-text-inverse);
}

.badge.geowatch {
    background-color: var(--color-geowatch);
    color: var(--color-text-inverse);
}

.plus {
    color: var(--color-text-light);
    font-weight: 300;
}

/* Use Case Grid */
.use-case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.use-case {
    padding: var(--spacing-md);
    background-color: var(--color-bg);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
}

.use-case:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

.use-case h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.use-case p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-light);
}

.use-case-products {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.mini-badge {
    padding: 0.25rem 0.6rem;
    border-radius: var(--border-radius);
    font-size: 0.75rem;
    font-weight: 600;
}

.mini-badge.geotape {
    background-color: rgba(10, 77, 140, 0.1);
    color: var(--color-geotape);
    border: 1px solid var(--color-geotape);
}

.mini-badge.geoalert {
    background-color: rgba(26, 26, 26, 0.1);
    color: var(--color-geoalert);
    border: 1px solid var(--color-geoalert);
}

.mini-badge.geowatch {
    background-color: rgba(44, 62, 80, 0.1);
    color: var(--color-geowatch);
    border: 1px solid var(--color-geowatch);
}

/* Philosophy */
.philosophy {
    background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
}

.philosophy-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.philosophy-item {
    text-align: center;
    padding: var(--spacing-md);
}

.philosophy-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.philosophy-item p {
    line-height: 1.7;
    color: var(--color-text-light);
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-text p {
    margin-bottom: var(--spacing-md);
    color: rgba(255, 255, 255, 0.9);
}

.about-tagline {
    font-size: 1.2rem;
    color: var(--color-text-inverse);
}

.about-image img {
    width: 100%;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

/* Contact Form */
.contact-wrapper {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.contact-form {
    text-align: left;
    margin-top: var(--spacing-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--color-text);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
}

.contact-form button {
    margin-top: var(--spacing-md);
    width: 100%;
}

/* Product Badges */
.use-case-products,
.rec-products {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    margin-top: var(--spacing-sm);
}

.mini-badge,
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.4rem 0.9rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    transition: all 0.2s ease;
    border: 1.5px solid transparent;
}

.mini-badge.geotape,
.badge.geotape {
    background-color: rgba(10, 77, 140, 0.1);
    color: #0a4d8c;
    border-color: rgba(10, 77, 140, 0.3);
}

/* Solid badge variants for dark backgrounds */
.recommendation.featured .badge.geotape {
    background-color: #0a4d8c;
    color: white;
    border-color: white;
}

.mini-badge.geotape:hover,
.badge.geotape:hover {
    background-color: rgba(10, 77, 140, 0.15);
    border-color: rgba(10, 77, 140, 0.5);
    transform: translateY(-1px);
}

.recommendation.featured .badge.geotape:hover {
    background-color: #083a6b;
    border-color: #083a6b;
}

.mini-badge.geoalert,
.badge.geoalert {
    background-color: rgba(231, 76, 60, 0.1);
    color: #c0392b;
    border-color: rgba(231, 76, 60, 0.3);
}

.recommendation.featured .badge.geoalert {
    background-color: #e74c3c;
    color: white;
    border-color: #e74c3c;
}

.mini-badge.geoalert:hover,
.badge.geoalert:hover {
    background-color: rgba(231, 76, 60, 0.15);
    border-color: rgba(231, 76, 60, 0.5);
    transform: translateY(-1px);
}

.recommendation.featured .badge.geoalert:hover {
    background-color: #c0392b;
    border-color: #c0392b;
}

.mini-badge.geowatch,
.badge.geowatch {
    background-color: rgba(22, 160, 133, 0.1);
    color: #16a085;
    border-color: rgba(22, 160, 133, 0.3);
}

.recommendation.featured .badge.geowatch {
    background-color: #16a085;
    color: white;
    border-color: #16a085;
}

.mini-badge.geowatch:hover,
.badge.geowatch:hover {
    background-color: rgba(22, 160, 133, 0.15);
    border-color: rgba(22, 160, 133, 0.5);
    transform: translateY(-1px);
}

.recommendation.featured .badge.geowatch:hover {
    background-color: #138d75;
    border-color: #138d75;
}

.badge {
    padding: 0.5rem 1.1rem;
    font-size: 0.85rem;
}

.plus {
    color: var(--color-text-light);
    font-size: 0.9rem;
    font-weight: 400;
}

.recommendation.featured .plus {
    color: rgba(255, 255, 255, 0.7);
}

/* Footer */
.footer {
    background-color: var(--color-bg-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.footer-brand .logo-text {
    color: var(--color-text-inverse);
    margin-bottom: var(--spacing-xs);
    font-size: 1.5rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer-company {
    margin-top: var(--spacing-sm);
    font-weight: 600;
}

.footer-section h4 {
    color: var(--color-text-inverse);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.footer-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--color-text-inverse);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
    font-size: 0.85rem;
}

/* Mobile Menu Styles */
.nav-menu.active {
    display: flex;
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: var(--color-bg);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-md);
    gap: var(--spacing-sm);
}

/* Responsive Design */
@media (max-width: 968px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .comparison-table {
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-md: 1rem;
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .btn-large {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
}