/*
═══════════════════════════════════════════════════════════════════════════════
FBIM TECH - CSS ULTRA PROFISSIONAL
═══════════════════════════════════════════════════════════════════════════════
Sistema de Design Moderno 2026
- Dark mode first
- Mobile responsive
- Glassmorphism
- Smooth animations
- Professional typography
═══════════════════════════════════════════════════════════════════════════════
*/

/* ═══════════════ RESET & VARIABLES ═══════════════ */

:root {
    /* Colors - Dark Theme */
    --color-dark-950: #0a0a0b;
    --color-dark-900: #121214;
    --color-dark-850: #1a1a1d;
    --color-dark-800: #222226;
    --color-dark-700: #2d2d33;
    --color-dark-600: #3d3d45;
    
    /* Accent Colors */
    --color-primary: #6366f1;
    --color-primary-hover: #4f46e5;
    --color-primary-light: #818cf8;
    --color-accent: #ec4899;
    --color-accent-hover: #db2777;
    
    /* Semantic Colors */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #3b82f6;
    
    /* Text Colors */
    --color-text-primary: #f9fafb;
    --color-text-secondary: #d1d5db;
    --color-text-tertiary: #9ca3af;
    --color-text-muted: #6b7280;
    
    /* Border & Dividers */
    --color-border: rgba(255, 255, 255, 0.08);
    --color-divider: rgba(255, 255, 255, 0.05);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.6), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.7), 0 10px 10px -5px rgba(0, 0, 0, 0.4);
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-overlay: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

* {
    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-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-dark-950);
}

/* ═══════════════ TYPOGRAPHY ═══════════════ */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-md);
    color: var(--color-text-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--space-md);
    color: var(--color-text-secondary);
}

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

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

code {
    font-family: var(--font-mono);
    font-size: 0.875em;
    background: var(--color-dark-800);
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}

/* ═══════════════ CONTAINER & GRID ═══════════════ */

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-xl);
    }
}

/* ═══════════════ NAVIGATION ═══════════════ */

.nav-ultra {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background: rgba(10, 10, 11, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: var(--space-lg);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-text-primary);
    transition: transform var(--transition-fast);
}

.logo:hover {
    transform: scale(1.02);
}

.logo-icon {
    font-size: 1.75rem;
    filter: drop-shadow(0 0 12px rgba(99, 102, 241, 0.5));
}

.logo-accent {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Nav Links */
.nav-links {
    display: none;
    align-items: center;
    gap: var(--space-sm);
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: 0.9375rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--color-text-primary);
    background: var(--color-dark-800);
}

.nav-link.active {
    color: var(--color-primary-light);
    background: rgba(99, 102, 241, 0.1);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px;
}

.nav-icon {
    font-size: 1.125rem;
}

/* Dropdown */
.nav-dropdown {
    position: relative;
}

.dropdown-trigger {
    background: none;
    border: none;
    cursor: pointer;
}

.dropdown-arrow {
    margin-left: var(--space-xs);
    transition: transform var(--transition-fast);
}

.nav-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + var(--space-sm));
    left: 0;
    min-width: 200px;
    background: var(--color-dark-850);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-sm);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-base);
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.dropdown-item:hover {
    color: var(--color-text-primary);
    background: var(--color-dark-700);
}

/* Nav Actions */
.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    color: var(--color-text-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    color: var(--color-text-primary);
    background: var(--color-dark-800);
}

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

@media (min-width: 768px) {
    .mobile-menu-toggle {
        display: none;
    }
}

/* ═══════════════ MOBILE MENU ═══════════════ */

.mobile-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-dark-900);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: var(--z-fixed);
    max-height: calc(100vh - 72px);
    overflow-y: auto;
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.mobile-menu-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    color: var(--color-text-secondary);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.mobile-menu-item:hover {
    color: var(--color-text-primary);
    background: var(--color-dark-800);
}

.mobile-menu-divider {
    height: 1px;
    background: var(--color-divider);
    margin: var(--space-md) 0;
}

/* ═══════════════ SEARCH OVERLAY ═══════════════ */

.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(8px);
    z-index: var(--z-overlay);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    padding: var(--space-xl);
}

.search-overlay.active {
    opacity: 1;
    visibility: visible;
}

.search-container {
    position: relative;
    max-width: 600px;
    width: 100%;
    margin: 0 auto;
    margin-top: 10vh;
}

.search-input {
    width: 100%;
    padding: var(--space-lg);
    padding-right: 60px;
    font-size: 1.5rem;
    background: var(--color-dark-850);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-xl);
    color: var(--color-text-primary);
    outline: none;
    transition: all var(--transition-base);
}

.search-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.search-close {
    position: absolute;
    top: 50%;
    right: var(--space-md);
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-text-tertiary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.search-close:hover {
    color: var(--color-text-primary);
}

.search-results {
    max-width: 600px;
    width: 100%;
    margin: var(--space-xl) auto 0;
}

/* ═══════════════ MAIN CONTENT ═══════════════ */

.main-content {
    min-height: calc(100vh - 72px - 400px);
    padding: var(--space-3xl) 0;
}

/* ═══════════════ HERO SECTION ═══════════════ */

.hero-ultra {
    position: relative;
    padding: var(--space-3xl) 0;
    text-align: center;
    overflow: hidden;
}

.hero-ultra::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1000px;
    height: 1000px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15), transparent 70%);
    pointer-events: none;
    z-index: 0;
}

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

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    margin-bottom: var(--space-lg);
    background: linear-gradient(135deg, var(--color-text-primary), var(--color-text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    color: var(--color-text-tertiary);
    max-width: 700px;
    margin: 0 auto var(--space-2xl);
}

/* ═══════════════ CARDS ═══════════════ */

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-xl);
}

.card-ultra {
    background: var(--color-dark-900);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
    cursor: pointer;
}

.card-ultra:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-xl);
}

.card-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.card-content {
    padding: var(--space-lg);
}

.card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.card-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    background: rgba(99, 102, 241, 0.1);
    color: var(--color-primary-light);
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.8125rem;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--color-text-primary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-description {
    font-size: 0.9375rem;
    color: var(--color-text-tertiary);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 0;
}
/* ═══════════════ MELHORIAS ULTRA - HOVER & MOBILE ═══════════════ */

/* Cards com hover animado */
.card-ultra {
    position: relative;
    overflow: hidden;
}

.card-ultra::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(236, 72, 153, 0.1));
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
    z-index: 1;
}

.card-ultra:hover::before {
    opacity: 1;
}

/* Imagem com zoom suave no hover */
.card-image {
    transition: transform var(--transition-slow);
}

.card-ultra:hover .card-image {
    transform: scale(1.05);
}

/* Badge com pulso */
.card-badge {
    position: relative;
    animation: pulse 2s ease-in-out infinite;
}

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

/* Video iframe responsivo e com hover */
.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: var(--radius-xl);
    margin: 2rem 0;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

.video-container:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

/* Play button overlay (antes do vídeo carregar) */
.video-thumbnail {
    position: relative;
    cursor: pointer;
    overflow: hidden;
    border-radius: var(--radius-xl);
}

.video-thumbnail::after {
    content: '▶';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 4rem;
    color: white;
    background: rgba(0, 0, 0, 0.7);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    padding-left: 8px;
}

.video-thumbnail:hover::after {
    background: var(--color-primary);
    transform: translate(-50%, -50%) scale(1.1);
}

/* Mobile: cards em coluna única */
@media (max-width: 767px) {
    .card-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .nav-content {
        height: 64px;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    /* Footer em coluna no mobile */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    /* Newsletter full width no mobile */
    .newsletter-form {
        flex-direction: column;
    }
    
    .newsletter-form input,
    .newsletter-form button {
        width: 100%;
    }
}

/* Tablet: 2 colunas */
@media (min-width: 768px) and (max-width: 1023px) {
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Loading animation */
@keyframes shimmer {
    0% { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
}

.skeleton {
    background: linear-gradient(
        90deg,
        var(--color-dark-800) 0%,
        var(--color-dark-700) 50%,
        var(--color-dark-800) 100%
    );
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
}

/* Smooth scroll para toda página */
html {
    scroll-padding-top: 80px;
}

/* Link com underline animado */
a:not(.btn-primary):not(.nav-link):not(.logo) {
    position: relative;
}

a:not(.btn-primary):not(.nav-link):not(.logo)::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition-base);
}

a:not(.btn-primary):not(.nav-link):not(.logo):hover::after {
    width: 100%;
}

/* Botões com ripple effect */
.btn-primary,
.btn-secondary {
    position: relative;
    overflow: hidden;
}

.btn-primary::before,
.btn-secondary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:active::before,
.btn-secondary:active::before {
    width: 300px;
    height: 300px;
}

/* Scroll to top button */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: var(--z-fixed);
    box-shadow: var(--shadow-lg);
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* Toast notifications */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--color-dark-850);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-md) var(--space-lg);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-modal);
    opacity: 0;
    transition: all var(--transition-base);
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.toast.success {
    border-color: var(--color-success);
}

.toast.error {
    border-color: var(--color-error);
}

/* Accessibility: focus visible */
*:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .nav-ultra,
    .footer-ultra,
    .btn-primary,
    .scroll-to-top {
        display: none;
    }
}

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

/* ═══════════════ BUTTONS ═══════════════ */

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    background: var(--color-primary);
    color: white;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.btn-primary-sm {
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.875rem;
}

.btn-secondary {
    background: var(--color-dark-800);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-dark-700);
    border-color: var(--color-primary);
}

/* ═══════════════ FOOTER ═══════════════ */

.footer-ultra {
    background: var(--color-dark-900);
    border-top: 1px solid var(--color-border);
    padding: var(--space-3xl) 0 var(--space-xl);
    margin-top: var(--space-3xl);
}

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

.footer-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: var(--space-md);
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-subtitle {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--color-text-primary);
}

.footer-text {
    font-size: 0.9375rem;
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-md);
}

.footer-text-sm {
    font-size: 0.875rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-sm);
}

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

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

.social-links {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-dark-800);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-tertiary);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
    transform: translateY(-2px);
}

.newsletter-form {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.newsletter-form input {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    background: var(--color-dark-800);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-size: 0.9375rem;
    outline: none;
    transition: all var(--transition-fast);
}

.newsletter-form input:focus {
    border-color: var(--color-primary);
}

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-divider);
}

.footer-bottom-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-md);
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.footer-bottom-links {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.footer-bottom-links a {
    color: var(--color-text-muted);
}

.footer-bottom-links a:hover {
    color: var(--color-text-primary);
}

/* ═══════════════ UTILITIES ═══════════════ */

.hidden {
    display: none !important;
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    margin-bottom: var(--space-2xl);
    text-align: center;
}

/* ═══════════════ RESPONSIVE ═══════════════ */

@media (max-width: 767px) {
    .card-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
}