/* 
   Satoshi's House - Modern Dark Theme
   Portal de Noticias de Criptomoedas
 */

/* ==================== CSS VARIABLES ==================== */
:root {
    /* Primary Colors */
    --color-bg-primary: #0b0f14;
    --color-bg-secondary: #12171f;
    --color-bg-tertiary: #1a1f2e;
    --color-bg-card: #151a23;
    
    /* Accent Colors */
    --color-accent-gold: #f2b705;
    --color-accent-gold-hover: #d9a004;
    
    /* Text Colors */
    --color-text-primary: #ffffff;
    --color-text-secondary: #d1d5db;
    --color-text-muted: #9ca3af;
    --color-text-dark: #6b7280;
    
    /* Border Colors */
    --color-border: #2a3140;
    --color-border-light: #3a4150;
    
    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Container */
    --container-max-width: 1200px;
    --container-padding: 1.5rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Fixed Bars Heights (calculado via JS) */
    --topbar-h: 0px;
    --ticker-h: 60px;
}

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

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

body {
    font-family: var(--font-secondary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-secondary);
    background-color: var(--color-bg-primary);
    padding-top: calc(var(--topbar-h) + var(--ticker-h));
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

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

ul,
ol {
    list-style: none;
}

/* ==================== CONTAINER ==================== */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ==================== TYPOGRAPHY ==================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text-primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
}

/* ==================== BUTTONS ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-primary);
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-primary {
    background-color: var(--color-accent-gold);
    color: var(--color-bg-primary);
}

.btn-primary:hover {
    background-color: var(--color-accent-gold-hover);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    border-color: var(--color-accent-gold);
    color: var(--color-accent-gold);
}

/* ==================== TOPBAR ==================== */
.topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1001;
    background-color: rgba(11, 15, 20, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    padding: 1.25rem 0;
}

.topbar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-xl);
}

.topbar-logo {
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.logo-text {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.logo-image {
    height: 240px;
    width: auto;
    display: block;
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* Navigation */
.main-nav {
    flex: 1;
}

.nav-list {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xl);
}

.nav-link {
    font-family: var(--font-primary);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-accent-gold);
}

/* Topbar Actions */
.topbar-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-shrink: 0;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 0.5rem;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: all var(--transition-fast);
}

/* ==================== CRYPTO TICKER ==================== */
.crypto-ticker-container {
    position: fixed;
    left: 0;
    right: 0;
    top: var(--topbar-h, 0px);
    width: 100%;
    height: var(--ticker-h, 60px);
    background: #0b0f14;
    border-bottom: 1px solid #2a3140;
    overflow: hidden;
    z-index: 1000;
    display: flex !important;
    align-items: center;
}

.crypto-ticker-wrapper {
    width: 100%;
    overflow: hidden;
}

.crypto-ticker-track {
    display: inline-flex;
    white-space: nowrap;
    animation: ticker-scroll 60s linear infinite;
    will-change: transform;
}

.crypto-ticker-track:hover {
    animation-play-state: paused;
}

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

.coin {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    white-space: nowrap;
    text-decoration: none;
    transition: background-color 0.2s ease;
}

.coin:hover {
    background-color: rgba(242, 183, 5, 0.1);
}

.coin-symbol {
    font-weight: 700;
    color: #f2b705;
    font-size: 13px;
    font-family: 'Poppins', sans-serif;
}

.coin-price {
    color: #d1d5db;
    font-size: 12px;
    font-family: 'Inter', sans-serif;
}

.coin-change {
    font-size: 11px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 4px;
}

.coin-change.positive {
    color: #22c55e;
    background-color: rgba(34, 197, 94, 0.1);
}

.coin-change.negative {
    color: #ef4444;
    background-color: rgba(239, 68, 68, 0.1);
}

.coin-change.neutral {
    color: #9ca3af;
    background-color: rgba(156, 163, 175, 0.1);
}

/* ==================== HERO SECTION ==================== */
.hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background-color: var(--color-bg-primary);
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 50%, var(--color-bg-tertiary) 100%);
    opacity: 1;
}

.hero-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(242, 183, 5, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(242, 183, 5, 0.03) 0%, transparent 50%);
    opacity: 1;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-3xl) 0;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
}

.hero-title span {
    color: var(--color-accent-gold);
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ==================== SECTIONS ==================== */
section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.0625rem;
    color: var(--color-text-muted);
}

/* ==================== NEWS SECTION ==================== */
.news-section {
    background-color: var(--color-bg-secondary);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.news-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.news-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.news-card__image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background-color: var(--color-bg-tertiary);
}

.news-card__content {
    padding: var(--spacing-lg);
}

.news-card__category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: rgba(242, 183, 5, 0.1);
    color: var(--color-accent-gold);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-sm);
}

.news-card__title {
    font-family: var(--font-primary);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.news-card__excerpt {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.news-card__meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8125rem;
    color: var(--color-text-dark);
}

.news-card__link {
    color: var(--color-accent-gold);
    font-weight: 600;
    transition: color var(--transition-fast);
}

.news-card__link:hover {
    color: var(--color-accent-gold-hover);
}

/* Category Filter */
.category-filter {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-2xl);
}

.filter-btn {
    padding: 0.5rem 1rem;
    background-color: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    font-family: var(--font-secondary);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.filter-btn--active {
    background-color: var(--color-accent-gold);
    border-color: var(--color-accent-gold);
    color: var(--color-bg-primary);
}

/* ==================== MARKET SECTION ==================== */
.market-section {
    background-color: var(--color-bg-primary);
}

.market-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.market-card {
    display: block;
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-normal);
}

.market-card:hover {
    border-color: var(--color-accent-gold);
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(242, 183, 5, 0.1);
}

.market-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-md);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.market-title {
    font-family: var(--font-primary);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.market-description {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 0;
}

/* ==================== NEWSLETTER SECTION ==================== */
.newsletter-section {
    background-color: var(--color-bg-secondary);
    text-align: center;
}

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

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

.newsletter-subtitle {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-md);
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-form input {
    flex: 1;
    padding: 0.875rem 1.25rem;
    background-color: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: var(--font-secondary);
    font-size: 1rem;
}

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

/* ==================== PAGE HEADER ==================== */
.page-header {
    background-color: var(--color-bg-secondary);
    text-align: center;
    padding: var(--spacing-3xl) 0;
}

.page-header h1 {
    margin-bottom: var(--spacing-sm);
}

.page-header p {
    color: var(--color-text-muted);
    margin-bottom: 0;
}

/* ==================== ABOUT SECTION ==================== */
.about-section {
    background-color: var(--color-bg-primary);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-content h2 {
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.about-content h2:first-child {
    margin-top: 0;
}

.about-content p {
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.about-values {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-2xl) 0;
}

.value-item {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.value-icon {
    font-size: 2rem;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.value-text {
    font-family: var(--font-primary);
    font-weight: 600;
    color: var(--color-text-primary);
}

.coverage-list {
    list-style: disc;
    padding-left: var(--spacing-xl);
    max-width: 600px;
    margin: 0 auto;
}

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

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

/* ==================== CONTACT SECTION ==================== */
.contact-section {
    background-color: var(--color-bg-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.contact-info h2 {
    margin-bottom: var(--spacing-lg);
    text-align: left;
}

.contact-item {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

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

.contact-item strong {
    display: block;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

.contact-item a {
    color: var(--color-accent-gold);
}

.contact-item p {
    color: var(--color-text-muted);
    margin-bottom: 0;
}

.contact-form {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

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

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: var(--font-secondary);
    font-size: 1rem;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ==================== FOOTER ==================== */
.footer {
    background-color: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

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

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    display: block;
    margin-bottom: var(--spacing-sm);
}

.footer-tagline {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    margin-bottom: 0;
}

.footer-column h4 {
    font-family: var(--font-primary);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-column ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-column a {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

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

.footer-social h4 {
    margin-bottom: var(--spacing-md);
}

.social-icons {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    font-family: var(--font-primary);
    font-size: 0.875rem;
    font-weight: 700;
    transition: all var(--transition-fast);
}

.social-link:hover {
    background-color: var(--color-accent-gold);
    border-color: var(--color-accent-gold);
    color: var(--color-bg-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.footer-bottom p {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin-bottom: 0;
}

/* ==================== COOKIE BANNER ==================== */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-lg);
    background-color: var(--color-bg-card);
    border-top: 1px solid var(--color-border);
    z-index: 9999;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
}

.cookie-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.cookie-text {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

.cookie-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.cookie-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.cookie-btn--accept {
    background-color: var(--color-accent-gold);
    color: var(--color-bg-primary);
    border: none;
}

.cookie-btn--accept:hover {
    background-color: var(--color-accent-gold-hover);
}

.cookie-btn--settings {
    background-color: transparent;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

.cookie-btn--settings:hover {
    border-color: var(--color-text-primary);
    color: var(--color-text-primary);
}

/* ==================== LOADING SPINNER ==================== */
.loading-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-accent-gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-md);
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.news-loading {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-3xl);
}

/* ==================== MOBILE MENU ==================== */
body.mobile-menu-open .main-nav {
    display: flex;
}

@media (max-width: 1024px) {
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: rgba(11, 15, 20, 0.98);
        backdrop-filter: blur(10px);
        padding: var(--spacing-lg);
        border-bottom: 1px solid var(--color-border);
    }
    
    body.mobile-menu-open .main-nav {
        display: block;
    }
    
    .nav-list {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }
    
    .hero {
        min-height: auto;
        padding: var(--spacing-3xl) 0;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand {
        max-width: 100%;
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .market-grid {
        grid-template-columns: 1fr;
    }
    
    .logo-image {
        height: 180px;
    }
}