/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Corporate Color Palette */
    --primary-navy: #1e293b;
    --primary-blue: #0f172a;
    --secondary-blue: #334155;
    --accent-blue: #3b82f6;
    --light-blue: #e0f2fe;
    --accent-gold: #fbbf24;
    --accent-orange: #fb923c;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-light: #64748b;
    --text-muted: #94a3b8;
    --bg-white: #ffffff;
    --bg-light: #f8fafc;
    --bg-gray: #f1f5f9;
    --bg-dark: #0f172a;
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    
    /* Corporate Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-navy) 0%, var(--secondary-blue) 100%);
    --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    --gradient-subtle: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-gray) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-gold) 100%);
    
    /* Professional Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.1), 0 2px 4px -1px rgba(15, 23, 42, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.1), 0 4px 6px -2px rgba(15, 23, 42, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 10px 10px -5px rgba(15, 23, 42, 0.04);
    
    /* Transitions */
    --transition-fast: all 0.2s ease;
    --transition-base: all 0.3s ease;
    --transition-slow: all 0.5s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(248, 250, 252, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    border-bottom: 1px solid var(--border-light);
    z-index: 1000;
    transition: var(--transition-base);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

.logo .tech {
    color: var(--accent-blue);
}

nav {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--accent-blue);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.nav-link:hover::after {
    transform: scaleX(1);
}

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

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(251, 191, 36, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
    animation: subtleFloat 15s ease-in-out infinite;
}

@keyframes subtleFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-10px) rotate(1deg); }
    66% { transform: translateY(5px) rotate(-1deg); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: white;
    padding: 4rem 0;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 3rem;
    opacity: 0.9;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    animation: fadeInUp 0.8s ease 0.4s both;
}

/* Button Styles */
.btn {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 8px;
    text-decoration: none;
    transition: var(--transition-base);
    display: inline-block;
    cursor: pointer;
}

.btn-primary {
    background: white;
    color: var(--accent-blue);
    box-shadow: var(--shadow-lg);
    border: 2px solid var(--accent-blue);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    background: var(--accent-blue);
    color: white;
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    background: white;
    color: var(--accent-blue);
    transform: translateY(-2px);
}

/* Section Styles */
section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.underline {
    width: 60px;
    height: 4px;
    background: var(--gradient-accent);
    margin: 0 auto;
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-top: 1rem;
}

/* About Section */
.about {
    background: white;
    padding: 6rem 0 5rem 0;
    position: relative;
}

.mission-content {
    max-width: 900px;
    margin: 0 auto 4rem;
}

.mission-card {
    background: var(--bg-light);
    padding: 3rem;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    border: 1px solid var(--border-color);
}

.mission-card h3 {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.mission-statement {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.mission-impact {
    font-size: 1.2rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Values Section */
.values-section {
    margin-bottom: 0;
}

.values-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.values-header h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.values-intro {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* Foundational Values */
.foundational-values {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.foundational-card {
    background: var(--gradient-accent);
    color: white;
    padding: 2.5rem 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-xl);
    transition: var(--transition-base);
    flex: 0 1 280px;
    min-width: 250px;
    position: relative;
    overflow: hidden;
}

.foundational-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 50%);
    pointer-events: none;
}

.foundational-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.foundational-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: inline-block;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.foundational-card h4 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.foundational-card p {
    font-size: 1rem;
    opacity: 0.95;
    line-height: 1.5;
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

/* Values Connector */
.values-connector {
    text-align: center;
    margin: 1.5rem 0 2rem 0;
}

.values-connector p {
    font-size: 1rem;
    color: var(--text-secondary);
    font-style: italic;
    position: relative;
}

.values-connector p::before,
.values-connector p::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 60px;
    height: 1px;
    background: var(--border-color);
}

.values-connector p::before {
    left: -80px;
}

.values-connector p::after {
    right: -80px;
}

.values-grid {
    display: flex;
    justify-content: center;
    align-items: stretch;
    gap: 1rem;
    max-width: 900px;
    margin: 0 auto;
    flex-wrap: wrap;
}

.value-card {
    background: white;
    padding: 1.5rem 1rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    flex: 0 1 150px;
    min-width: 130px;
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.value-icon {
    font-size: 2rem;
    margin-bottom: 0.8rem;
}

.value-card h4 {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 600;
}

/* Why Bitcoin Section */
.why-bitcoin-section {
    background: var(--bg-light);
    padding: 5rem 0;
}

.why-bitcoin-content {
    max-width: 900px;
    margin: 0 auto;
}

.bitcoin-explanation {
    background: white;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.bitcoin-explanation p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.bitcoin-conclusion {
    font-weight: 600;
    color: var(--text-primary);
}

.bitcoin-fix {
    font-size: 1.3rem;
    color: var(--accent-gold);
    text-align: center;
    margin-top: 2rem;
    margin-bottom: 0;
}

/* Principles Section */
.principles {
    background: var(--gradient-subtle);
}

.principles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.principle-card {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
    position: relative;
    overflow: hidden;
    transition: var(--transition-base);
}

.principle-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.principle-number {
    position: absolute;
    top: -10px;
    right: 20px;
    font-size: 4rem;
    font-weight: 800;
    color: var(--accent-blue);
    opacity: 0.15;
}

.principle-card h3 {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.principle-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Products Section */
.products {
    background: white;
}

.product-showcase {
    max-width: 900px;
    margin: 0 auto;
}

.product-card {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.product-card.featured {
    border: 2px solid var(--accent-blue);
}

.product-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--gradient-accent);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.product-title {
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.product-tagline {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.product-description {
    margin-bottom: 2rem;
}

.product-description p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.product-features {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
    margin-top: 1.5rem;
}

.product-features h4 {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.product-features ul {
    list-style: none;
}

.product-features li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.product-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

.coming-soon {
    text-align: center;
    margin-top: 3rem;
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* Contact Section */
.contact {
    background: var(--gradient-hero);
    color: white;
}

.contact .section-header h2 {
    color: white;
}

.contact .underline {
    background: white;
}

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

.contact-content p {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.contact-info {
    margin-top: 2rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
}

/* Footer */
footer {
    background: var(--bg-dark);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

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

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-light);
}

/* Trademark symbol styling */
.product-title {
    position: relative;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    nav {
        gap: 1rem;
    }
    
    .nav-link {
        font-size: 0.9rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
    
    .foundational-values {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .foundational-card {
        flex: 1;
        min-width: auto;
        padding: 2rem 1.5rem;
    }
    
    .foundational-icon {
        font-size: 2.5rem;
    }
    
    .foundational-card h4 {
        font-size: 1.2rem;
    }
    
    .values-connector p::before,
    .values-connector p::after {
        display: none;
    }
    
    .values-grid {
        flex-direction: row;
        justify-content: center;
        gap: 0.8rem;
    }
    
    .value-card {
        flex: 0 1 110px;
        min-width: 100px;
        padding: 1.2rem 0.8rem;
    }
    
    .value-icon {
        font-size: 1.8rem;
        margin-bottom: 0.6rem;
    }
    
    .value-card h4 {
        font-size: 0.9rem;
    }
    
    .principle-card {
        padding: 1.5rem;
    }
    
    .product-card {
        padding: 2rem;
    }
    
    .product-cta {
        flex-direction: column;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    /* Tighter spacing and smaller elements for mobile */
    section {
        padding: 2rem 0;
    }
    
    .container {
        padding: 0 12px;
    }
    
    .header-content {
        padding: 0.5rem 0;
    }
    
    .logo {
        font-size: 1.2rem;
    }
    
    .nav-link {
        font-size: 0.8rem;
    }
    
    .hero-title {
        font-size: 1.4rem;
        margin-bottom: 0.6rem;
        line-height: 1.3;
    }
    
    .hero-subtitle {
        font-size: 0.8rem;
        margin-bottom: 1.5rem;
        line-height: 1.4;
    }
    
    .hero-cta {
        gap: 0.8rem;
    }
    
    .btn {
        padding: 0.6rem 1rem;
        font-size: 0.8rem;
    }
    
    .section-header {
        margin-bottom: 1.2rem;
    }
    
    .section-header h2 {
        font-size: 1.3rem;
        margin-bottom: 0.5rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .about {
        padding: 2.5rem 0 2rem 0;
    }
    
    .mission-card {
        padding: 1.2rem 0.8rem;
    }
    
    .mission-card h3 {
        font-size: 1.1rem;
        margin-bottom: 0.6rem;
    }
    
    .mission-statement {
        font-size: 0.9rem;
        margin-bottom: 0.6rem;
        line-height: 1.5;
    }
    
    .mission-impact {
        font-size: 0.8rem;
        line-height: 1.5;
    }
    
    .values-header h3 {
        font-size: 1.1rem;
        margin-bottom: 0.6rem;
    }
    
    .values-intro {
        font-size: 0.9rem;
    }
    
    .foundational-card {
        padding: 1.5rem 1rem;
        margin-bottom: 0.8rem;
    }
    
    .foundational-card h4 {
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }
    
    .foundational-card p {
        font-size: 0.8rem;
    }
    
    .values-connector {
        margin: 0.8rem 0 1.2rem 0;
    }
    
    .values-connector p {
        font-size: 0.8rem;
    }
    
    .bitcoin-explanation p {
        font-size: 0.9rem;
        margin-bottom: 1rem;
        line-height: 1.6;
    }
    
    .bitcoin-fix {
        font-size: 1.1rem;
        margin-top: 1.5rem;
    }
    
    .principle-number {
        font-size: 2.2rem;
    }
    
    .principle-card {
        padding: 1rem;
        margin-bottom: 0.8rem;
    }
    
    .principle-card h3 {
        font-size: 1rem;
        margin-bottom: 0.3rem;
    }
    
    .principle-card p {
        font-size: 0.8rem;
        line-height: 1.4;
    }
    
    /* Product badge positioning fix */
    .product-badge {
        top: 12px;
        right: 12px;
        padding: 0.3rem 0.6rem;
        font-size: 0.7rem;
        border-radius: 12px;
    }
    
    .product-card {
        padding: 1.2rem;
        margin-bottom: 1.2rem;
    }
    
    .product-title {
        font-size: 1.6rem;
        margin-bottom: 0.3rem;
        margin-top: 0.4rem;
    }
    
    .product-tagline {
        font-size: 1rem;
        margin-bottom: 1.2rem;
    }
    
    .product-description p {
        font-size: 0.9rem;
        margin-bottom: 1rem;
        line-height: 1.6;
    }
    
    .product-features h4 {
        font-size: 1rem;
        margin-bottom: 0.6rem;
    }
    
    .product-features li {
        font-size: 0.85rem;
        padding: 0.3rem 0;
    }
    
    .coming-soon {
        font-size: 0.9rem;
        margin-top: 2rem;
    }
    
    .contact-content p {
        font-size: 1rem;
        margin-bottom: 0.8rem;
    }
    
    /* Mobile Footer - Match main app style */
    footer {
        padding: 0.75rem 0 0.25rem;
        min-height: 160px; /* --footer-height-mobile */
    }
    
    .footer-content {
        padding: 0 1rem;
        height: 100%;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        grid-template-columns: 1fr 1fr;
        gap: 0.5rem;
        text-align: left;
        margin-bottom: 0.25rem;
    }
    
    .footer-section {
        align-items: flex-start;
        gap: 0.25rem;
        margin-bottom: 0;
    }
    
    .footer-section h4 {
        font-size: 0.8rem;
        margin: 0 0 0.1rem 0;
        color: white;
    }
    
    .footer-section ul {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.1rem;
        margin: 0;
        padding: 0;
        list-style: none;
    }
    
    .footer-section li {
        margin: 0;
        width: 100%;
    }
    
    .footer-section a {
        padding: 0.1rem 0;
        min-height: 20px;
        display: flex;
        align-items: center;
        justify-content: flex-start;
        font-size: 0.75rem;
        width: fit-content;
    }
    
    .footer-bottom {
        padding-top: 0.1rem;
        text-align: center;
        font-size: 0.65rem;
        line-height: 1.2;
    }
    
    .footer-bottom p {
        margin: 0.2rem 0;
    }
}

/* Extra small mobile devices */
@media (max-width: 320px) {
    .hero-title {
        font-size: 1.2rem;
    }
    
    .hero-subtitle {
        font-size: 0.75rem;
    }
    
    .btn {
        padding: 0.5rem 0.8rem;
        font-size: 0.75rem;
    }
    
    .section-header h2 {
        font-size: 1.1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-section {
        align-items: center;
    }
    
    .footer-section ul {
        align-items: center;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.3rem;
    }
    
    .footer-section a {
        font-size: 0.7rem;
        justify-content: center;
    }
}