/* ============================================
   DataCement Hub - Estilos Completos
   Design: Glassmorphism + Cyberpunk Minimalism
   Cores: Roxo escuro com acentos neon
   ============================================ */

/* ============================================
   1. RESET E VARIÁVEIS CSS
   ============================================ */

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

:root {
    /* Cores Principais */
    --bg-primary: #0f0620;
    --bg-secondary: #1a1f3a;
    --text-primary: #e5e7eb;
    --text-secondary: #9ca3af;
    --border-color: rgba(255, 255, 255, 0.1);
    
    /* Cores de Acento */
    --accent-orange: #ff6b35;
    --accent-blue: #3b82f6;
    --accent-pink: #ec4899;
    --accent-green: #10b981;
    --accent-yellow: #fbbf24;
    
    /* Tipografia */
    --font-display: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Espaçamento */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Raios de Borda */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;
    
    /* Transições */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ============================================
   2. TIPOGRAFIA E ESTILOS BASE
   ============================================ */

html {
    font-family: var(--font-body);
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 8vw, 4rem);
    font-weight: 800;
}

h2 {
    font-size: clamp(2rem, 5vw, 3rem);
}

h3 {
    font-size: 1.5rem;
}

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

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

/* ============================================
   3. CONTAINER E LAYOUT
   ============================================ */

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

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

@media (min-width: 1024px) {
    .container {
        padding: 0 var(--spacing-xl);
    }
}

/* ============================================
   4. BOTÕES
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-lg);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal) cubic-bezier(0.34, 1.56, 0.64, 1);
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-orange) 0%, #ff8555 100%);
    color: white;
    box-shadow: 0 0 30px rgba(255, 107, 53, 0.4);
}

.btn-primary:hover {
    box-shadow: 0 0 40px rgba(255, 107, 53, 0.6);
}

.btn-outline {
    background: transparent;
    color: white;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-cta {
    background: linear-gradient(135deg, var(--accent-pink) 0%, #f472b6 100%);
    color: white;
    box-shadow: 0 0 30px rgba(236, 72, 153, 0.4);
    font-size: 1.1rem;
    padding: var(--spacing-lg) var(--spacing-xl);
}

.btn-cta:hover {
    box-shadow: 0 0 40px rgba(236, 72, 153, 0.6);
}

/* ============================================
   5. HERO SECTION
   ============================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.5), var(--bg-primary));
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 800px;
    padding: var(--spacing-lg);
    animation: fadeInUp 0.8s ease-out;
}

.hero-text {
    margin-bottom: var(--spacing-xl);
}

.hero-title {
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.text-white {
    color: white;
}

.gradient-text {
    background: linear-gradient(135deg, #e5e7eb 0%, #9ca3af 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(229, 231, 235, 0.8);
    margin-bottom: 0;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    justify-content: center;
    align-items: center;
}

@media (min-width: 640px) {
    .hero-buttons {
        flex-direction: row;
    }
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: rgba(229, 231, 235, 0.6);
    animation: bounce 2s infinite;
    z-index: 10;
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

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

/* ============================================
   6. SERVICES SECTION
   ============================================ */

.services {
    padding: var(--spacing-2xl) 0;
    background-color: var(--bg-primary);
}

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

.section-header h2 {
    margin-bottom: var(--spacing-md);
}

.section-header p {
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.1rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

@media (min-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ============================================
   7. SERVICE CARDS
   ============================================ */

.service-card {
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal) cubic-bezier(0.34, 1.56, 0.64, 1);
    animation: fadeInUp 0.6s ease-out forwards;
    opacity: 0;
}

.service-card:nth-child(1) { animation-delay: 0.1s; }
.service-card:nth-child(2) { animation-delay: 0.2s; }
.service-card:nth-child(3) { animation-delay: 0.3s; }
.service-card:nth-child(4) { animation-delay: 0.4s; }
.service-card:nth-child(5) { animation-delay: 0.5s; }
.service-card:nth-child(6) { animation-delay: 0.6s; }

.service-card:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 40px rgba(128, 0, 128, 0.2);
    transform: translateY(-8px);
}

.card-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    transition: filter var(--transition-normal);
}

.service-card:hover .card-icon {
    filter: drop-shadow(0 0 20px currentColor);
}

.service-card h3 {
    margin-bottom: var(--spacing-md);
    color: white;
}

.service-card p {
    margin-bottom: var(--spacing-lg);
    font-size: 0.95rem;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 500;
    transition: gap var(--transition-normal);
}

.card-link:hover {
    gap: var(--spacing-sm);
}

/* ============================================
   8. CTA SECTION
   ============================================ */

.cta {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(to bottom, var(--bg-primary), rgba(0, 0, 0, 0.5));
    text-align: center;
}

.cta .container {
    max-width: 700px;
}

.cta h2 {
    margin-bottom: var(--spacing-md);
}

.cta p {
    margin-bottom: var(--spacing-xl);
    font-size: 1.1rem;
}

/* ============================================
   9. FOOTER
   ============================================ */

.footer {
    border-top: 1px solid var(--border-color);
    background-color: rgba(0, 0, 0, 0.3);
    padding: var(--spacing-2xl) 0;
}

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

.footer-col h3,
.footer-col h4 {
    margin-bottom: var(--spacing-md);
    color: white;
}

.footer-col h3 {
    font-size: 1.25rem;
}

.footer-col p {
    font-size: 0.95rem;
    margin-bottom: 0;
}

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

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

.footer-col a {
    color: var(--text-secondary);
    font-size: 0.95rem;
    transition: color var(--transition-normal);
}

.footer-col a:hover {
    color: var(--accent-orange);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
    text-align: center;
}

.footer-bottom p {
    margin-bottom: 0;
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--accent-orange);
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        text-align: left;
    }
}

/* ============================================
   10. RESPONSIVIDADE MOBILE
   ============================================ */

@media (max-width: 640px) {
    :root {
        --spacing-md: 1rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --spacing-2xl: 2.5rem;
    }

    .btn {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 0.95rem;
    }

    .hero-content {
        padding: var(--spacing-md);
    }

    .services {
        padding: var(--spacing-xl) 0;
    }

    .section-header {
        margin-bottom: var(--spacing-xl);
    }

    .service-card {
        padding: var(--spacing-lg);
    }

    .cta {
        padding: var(--spacing-xl) 0;
    }

    .footer {
        padding: var(--spacing-xl) 0;
    }
}

/* ============================================
   11. ACESSIBILIDADE
   ============================================ */

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

button:focus-visible,
a:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
}

/* ============================================
   12. UTILITÁRIOS
   ============================================ */

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

.mt-lg {
    margin-top: var(--spacing-lg);
}

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

/* Scroll suave já está em html */

/* ============================================
   13. NAVBAR (Opcional - descomente em HTML)
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 6, 32, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: var(--spacing-md) 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-links a {
    color: var(--text-primary);
    font-weight: 500;
    transition: color var(--transition-normal);
}

.nav-links a:hover {
    color: var(--accent-orange);
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
}