/* ===================================
   BITCOIN CHURCH - PREMIUM LINKTREE
   Conversion-Optimized Landing Page
   =================================== */

/* === CSS RESET & BASE === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Bitcoin Brand Colors */
    --bitcoin-orange: #F7931A;
    --bitcoin-dark: #1A1A1A;
    --bitcoin-light: #FFF9F0;
    
    /* Premium Palette */
    --primary: #F7931A;
    --primary-dark: #D77E0F;
    --primary-light: #FFB84D;
    --secondary: #4A90E2;
    --success: #2ECC71;
    --danger: #E74C3C;
    
    /* Neutrals */
    --dark: #0F0F0F;
    --dark-alt: #1A1A1A;
    --gray-900: #2A2A2A;
    --gray-800: #3A3A3A;
    --gray-700: #4A4A4A;
    --gray-600: #666666;
    --gray-400: #AAAAAA;
    --gray-200: #E0E0E0;
    --gray-100: #F5F5F5;
    --white: #FFFFFF;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #F7931A 0%, #FFB84D 100%);
    --gradient-dark: linear-gradient(180deg, #0F0F0F 0%, #1A1A1A 100%);
    --gradient-overlay: linear-gradient(180deg, rgba(15,15,15,0.95) 0%, rgba(15,15,15,0.85) 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.16);
    --shadow-xl: 0 16px 48px rgba(0,0,0,0.24);
    --shadow-glow: 0 0 24px rgba(247,147,26,0.3);
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    background: var(--dark);
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 680px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* === LANGUAGE SWITCHER === */
.language-switcher {
    position: fixed;
    top: var(--spacing-md);
    right: var(--spacing-md);
    z-index: 1000;
    display: flex;
    gap: 0.5rem;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    padding: 0.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.lang-btn {
    background: transparent;
    border: none;
    color: var(--gray-400);
    font-size: 0.875rem;
    font-weight: 600;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-family);
}

.lang-btn:hover {
    background: rgba(247, 147, 26, 0.1);
    color: var(--primary);
}

.lang-btn.active {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-glow);
}

/* === HERO SECTION === */
.hero {
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    text-align: center;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 150%;
    height: 150%;
    background: radial-gradient(circle, rgba(247,147,26,0.08) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.hero > .container {
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(46, 204, 113, 0.1);
    border: 1px solid rgba(46, 204, 113, 0.3);
    padding: 0.5rem 1rem;
    border-radius: 100px;
    margin-bottom: var(--spacing-lg);
    animation: fadeInDown 0.6s ease-out;
}

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

.badge-text {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--success);
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 3vw, 1.375rem);
    color: var(--gray-400);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.trust-signals {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

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

.trust-number {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 0.25rem;
}

.trust-label {
    font-size: 0.875rem;
    color: var(--gray-400);
    font-weight: 500;
}

/* === ANIMATIONS === */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* === MAIN LINKS SECTION === */
.links-section {
    padding: var(--spacing-xl) 0 var(--spacing-3xl);
}

/* === PREMIUM CTA === */
.cta-premium {
    background: var(--gradient-primary);
    border-radius: 20px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-xl);
    animation: fadeInUp 0.8s ease-out;
    position: relative;
    overflow: hidden;
}

.cta-premium::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-icon {
    font-size: 3rem;
    flex-shrink: 0;
}

.cta-content {
    flex: 1;
}

.cta-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.25rem;
}

.cta-description {
    font-size: 0.95rem;
    color: rgba(15, 15, 15, 0.8);
}

.btn-cta {
    background: var(--dark);
    color: var(--white);
    padding: 0.875rem 1.5rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95rem;
    white-space: nowrap;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

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

/* === LINK CARDS === */
.link-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.link-card {
    background: var(--dark-alt);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-decoration: none;
    color: var(--white);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.6s ease-out both;
}

.link-card:nth-child(1) { animation-delay: 0.1s; }
.link-card:nth-child(2) { animation-delay: 0.15s; }
.link-card:nth-child(3) { animation-delay: 0.2s; }
.link-card:nth-child(4) { animation-delay: 0.25s; }
.link-card:nth-child(5) { animation-delay: 0.3s; }
.link-card:nth-child(6) { animation-delay: 0.35s; }

.link-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.link-card:hover::before {
    opacity: 0.05;
}

.link-card:hover {
    transform: translateY(-4px);
    border-color: rgba(247, 147, 26, 0.3);
    box-shadow: var(--shadow-lg);
}

.link-card.featured {
    background: var(--gradient-primary);
    border: none;
}

.link-card.featured .card-title,
.link-card.featured .card-description {
    color: var(--dark);
}

.link-card.featured .card-icon,
.link-card.featured .card-arrow {
    filter: brightness(0.2);
}

.link-card.hot {
    border-color: rgba(247, 147, 26, 0.4);
    box-shadow: 0 0 24px rgba(247, 147, 26, 0.15);
}

.link-card.special {
    background: linear-gradient(135deg, rgba(247,147,26,0.1) 0%, rgba(74,144,226,0.1) 100%);
}

.card-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(247, 147, 26, 0.2);
    border: 1px solid var(--primary);
    color: var(--primary);
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 700;
}

.card-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.card-content {
    flex: 1;
}

.card-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: var(--white);
}

.card-description {
    font-size: 0.875rem;
    color: var(--gray-400);
}

.card-arrow {
    font-size: 1.5rem;
    color: var(--gray-600);
    transition: transform var(--transition-base);
}

.link-card:hover .card-arrow {
    transform: translateX(4px);
    color: var(--primary);
}

/* === SOCIAL SECTION === */
.social-section {
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: 2rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    text-align: center;
    color: var(--gray-400);
    margin-bottom: var(--spacing-lg);
}

.social-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--spacing-md);
}

.social-card {
    background: var(--dark-alt);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: var(--spacing-md);
    text-align: center;
    text-decoration: none;
    color: var(--white);
    transition: all var(--transition-base);
}

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

.social-card.twitter:hover {
    border-color: rgba(29, 161, 242, 0.5);
    box-shadow: 0 8px 32px rgba(29, 161, 242, 0.2);
}

.social-card.instagram:hover {
    border-color: rgba(225, 48, 108, 0.5);
    box-shadow: 0 8px 32px rgba(225, 48, 108, 0.2);
}

.social-card.youtube:hover {
    border-color: rgba(255, 0, 0, 0.5);
    box-shadow: 0 8px 32px rgba(255, 0, 0, 0.2);
}

.social-card.telegram:hover {
    border-color: rgba(0, 136, 204, 0.5);
    box-shadow: 0 8px 32px rgba(0, 136, 204, 0.2);
}

.social-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.social-name {
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.social-stats {
    font-size: 0.875rem;
    color: var(--gray-400);
}

/* === NEWSLETTER SECTION === */
.newsletter-section {
    margin-bottom: var(--spacing-2xl);
}

.newsletter-card {
    background: linear-gradient(135deg, rgba(247,147,26,0.1) 0%, rgba(74,144,226,0.1) 100%);
    border: 1px solid rgba(247, 147, 26, 0.3);
    border-radius: 20px;
    padding: var(--spacing-xl);
    text-align: center;
}

.newsletter-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.newsletter-title {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
}

.newsletter-description {
    color: var(--gray-400);
    margin-bottom: var(--spacing-lg);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.btn-newsletter {
    display: inline-block;
    background: var(--gradient-primary);
    color: var(--dark);
    padding: 1rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.05rem;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
}

.btn-newsletter:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.newsletter-privacy {
    font-size: 0.875rem;
    color: var(--gray-400);
    margin-top: var(--spacing-md);
}

/* === RESOURCES SECTION === */
.resources-section {
    margin-bottom: var(--spacing-2xl);
}

.resources-grid {
    display: grid;
    gap: var(--spacing-md);
}

.resource-card {
    background: var(--dark-alt);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-decoration: none;
    color: var(--white);
    transition: all var(--transition-base);
}

.resource-card:hover {
    transform: translateY(-2px);
    border-color: rgba(247, 147, 26, 0.3);
    box-shadow: var(--shadow-lg);
}

.resource-logo {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
    background: var(--white);
    padding: 4px;
}

.resource-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.resource-info {
    flex: 1;
}

.resource-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.resource-desc {
    font-size: 0.875rem;
    color: var(--gray-400);
}

.resource-badge {
    background: rgba(247, 147, 26, 0.1);
    color: var(--primary);
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 700;
    white-space: nowrap;
}

/* === TESTIMONIALS === */
.testimonials-section {
    margin-bottom: var(--spacing-2xl);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.testimonial-card {
    background: var(--dark-alt);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: var(--spacing-lg);
}

.testimonial-stars {
    color: var(--primary);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.testimonial-text {
    color: var(--gray-400);
    margin-bottom: var(--spacing-md);
    font-style: italic;
    line-height: 1.6;
}

.testimonial-author {
    font-weight: 600;
    font-size: 0.875rem;
}

/* === CONTACT SECTION === */
.contact-section {
    margin-bottom: var(--spacing-2xl);
}

.contact-card {
    background: var(--gradient-primary);
    border-radius: 20px;
    padding: var(--spacing-xl);
    text-align: center;
}

.contact-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
}

.contact-description {
    color: rgba(15, 15, 15, 0.8);
    margin-bottom: var(--spacing-lg);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

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

.btn-contact {
    padding: 1rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    transition: all var(--transition-base);
    display: inline-block;
}

.btn-contact.primary {
    background: var(--dark);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

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

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

.btn-contact.secondary:hover {
    background: rgba(15, 15, 15, 0.1);
}

/* === FOOTER === */
.footer {
    background: var(--dark-alt);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand h3 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-brand p {
    color: var(--gray-400);
    font-size: 0.875rem;
}

.footer-links {
    display: flex;
    gap: var(--spacing-xl);
}

.footer-column h4 {
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-sm);
    color: var(--gray-400);
}

.footer-column a {
    display: block;
    color: var(--gray-400);
    text-decoration: none;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--gray-400);
    font-size: 0.875rem;
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

.footer-disclaimer {
    font-size: 0.75rem;
    opacity: 0.7;
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 768px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-2xl: 3rem;
        --spacing-3xl: 4rem;
    }
    
    .language-switcher {
        top: var(--spacing-sm);
        right: var(--spacing-sm);
        flex-wrap: wrap;
        max-width: 200px;
    }
    
    .lang-btn {
        font-size: 0.75rem;
        padding: 0.4rem 0.6rem;
    }
    
    .hero {
        padding: var(--spacing-2xl) 0 var(--spacing-lg);
    }
    
    .trust-signals {
        gap: var(--spacing-lg);
    }
    
    .cta-premium {
        flex-direction: column;
        text-align: center;
    }
    
    .btn-cta {
        width: 100%;
    }
    
    .social-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-buttons {
        flex-direction: column;
    }
    
    .btn-contact {
        width: 100%;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .card-icon {
        font-size: 2rem;
    }
    
    .card-title {
        font-size: 1rem;
    }
    
    .social-grid {
        grid-template-columns: 1fr;
    }
}

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

/* Focus states for accessibility */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* === PERFORMANCE OPTIMIZATIONS === */
.hero::before,
.cta-premium::before {
    will-change: transform;
}

.link-card,
.social-card,
.resource-card {
    will-change: transform;
}

/* === PRINT STYLES === */
@media print {
    .language-switcher,
    .hero-badge,
    .social-section,
    .newsletter-section {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .link-card,
    .resource-card {
        page-break-inside: avoid;
    }
}