/* ============================================================================
   VARIABLES & RESET
   ============================================================================ */

:root {
    /* Colors */
    --primary: #00D9FF;
    --primary-dark: #00B8DB;
    --secondary: #8B5CF6;
    --accent: #FF6B9D;
    --dark: #1A1F3A;
    --dark-light: #252B47;
    --text: #E5E7EB;
    --text-muted: #9CA3AF;
    --white: #FFFFFF;
    --success: #10B981;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-card: linear-gradient(135deg, rgba(0, 217, 255, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 20px rgba(0, 217, 255, 0.3);

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Space Grotesk', var(--font-sans);
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ============================================================================
   HEADER & NAVIGATION
   ============================================================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(26, 31, 58, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) var(--space-lg);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
}

.logo-icon {
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    list-style: none;
}

.nav-link {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--white);
    border-radius: 2px;
    transition: all 0.3s;
}

/* ============================================================================
   HERO SECTION
   ============================================================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--space-3xl) 0;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #1A1F3A 0%, #0F1629 100%);
    z-index: -1;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 217, 255, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 217, 255, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.3;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-md);
    background: rgba(0, 217, 255, 0.1);
    border: 1px solid rgba(0, 217, 255, 0.3);
    border-radius: var(--radius-full);
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
}

.hero-title {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-md);
    color: var(--white);
}

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

.hero-description {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: var(--space-xl);
    max-width: 600px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.stat {
    text-align: center;
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: var(--space-xs);
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
}

.visual-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md);
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.card-dots {
    display: flex;
    gap: 6px;
}

.card-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
}

.card-dots span:nth-child(1) { background: #FF5F57; }
.card-dots span:nth-child(2) { background: #FFBD2E; }
.card-dots span:nth-child(3) { background: #28CA42; }

.card-title {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.card-code {
    padding: var(--space-lg);
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.875rem;
    line-height: 1.8;
}

.card-code pre {
    margin: 0;
}

.code-keyword { color: #C792EA; }
.code-module { color: #82AAFF; }
.code-string { color: #C3E88D; }
.code-comment { color: #546E7A; }

.hero-decoration {
    position: absolute;
    inset: 0;
    z-index: -1;
    overflow: hidden;
}

.decoration-circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.2;
}

.circle-1 {
    width: 400px;
    height: 400px;
    background: var(--primary);
    top: -200px;
    right: -200px;
}

.circle-2 {
    width: 300px;
    height: 300px;
    background: var(--secondary);
    bottom: -150px;
    left: -150px;
}

.circle-3 {
    width: 200px;
    height: 200px;
    background: var(--accent);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* ============================================================================
   BUTTONS
   ============================================================================ */

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-lg);
    background: var(--gradient-primary);
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: all 0.3s;
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-lg);
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    border-radius: var(--radius-full);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-large {
    padding: var(--space-md) var(--space-xl);
    font-size: 1.125rem;
}

/* ============================================================================
   SECTIONS
   ============================================================================ */

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--space-md);
    color: var(--white);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================================================
   MODULES SECTION
   ============================================================================ */

.modules {
    padding: var(--space-3xl) 0;
    background: linear-gradient(180deg, var(--dark) 0%, var(--dark-light) 100%);
}

.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.module-card {
    padding: var(--space-xl);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    transition: all 0.3s;
}

.module-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.module-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

.module-number {
    display: inline-block;
    padding: var(--space-xs) var(--space-sm);
    background: rgba(0, 217, 255, 0.1);
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-sm);
}

.module-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    color: var(--white);
}

.module-description {
    color: var(--text-muted);
    margin-bottom: var(--space-md);
}

.module-meta {
    display: flex;
    gap: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

/* ============================================================================
   FEATURES SECTION
   ============================================================================ */

.features {
    padding: var(--space-3xl) 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.feature-card {
    padding: var(--space-xl);
    text-align: center;
}

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

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    color: var(--white);
}

.feature-description {
    color: var(--text-muted);
}

/* ============================================================================
   TECH STACK SECTION
   ============================================================================ */

.tech-stack {
    padding: var(--space-3xl) 0;
    background: linear-gradient(180deg, var(--dark-light) 0%, var(--dark) 100%);
}

.tech-logos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--space-lg);
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-lg);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    transition: all 0.3s;
}

.tech-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

.tech-logo {
    font-size: 2.5rem;
}

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

/* ============================================================================
   CTA SECTION
   ============================================================================ */

.cta {
    padding: var(--space-3xl) 0;
    background: var(--gradient-primary);
}

.cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--space-md);
    color: var(--white);
}

.cta-description {
    font-size: 1.25rem;
    margin-bottom: var(--space-xl);
    color: rgba(255, 255, 255, 0.9);
}

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

.cta .btn-primary {
    background: var(--white);
    color: var(--primary);
}

.cta .btn-primary:hover {
    background: rgba(255, 255, 255, 0.9);
}

.cta .btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--white);
}

.cta .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* ============================================================================
   ABOUT SECTION
   ============================================================================ */

.about {
    padding: var(--space-3xl) 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.about-description {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: var(--space-md);
}

.about-list {
    list-style: none;
    margin-top: var(--space-lg);
}

.about-list li {
    padding: var(--space-sm) 0;
    font-size: 1.125rem;
    color: var(--text);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.stat-box {
    padding: var(--space-xl);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    text-align: center;
}

.stat-box-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--space-xs);
}

.stat-box-label {
    color: var(--text-muted);
}

/* ============================================================================
   FOOTER
   ============================================================================ */

.footer {
    padding: var(--space-3xl) 0 var(--space-lg);
    background: var(--dark-light);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.footer-description {
    color: var(--text-muted);
    max-width: 300px;
}

.footer-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--white);
}

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

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

.footer-list a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s;
}

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

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

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-copyright a {
    color: var(--primary);
    text-decoration: none;
}

/* ============================================================================
   RESPONSIVE
   ============================================================================ */

@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-description {
        margin: 0 auto var(--space-xl);
    }

    .hero-cta {
        justify-content: center;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: rgba(26, 31, 58, 0.98);
        width: 100%;
        padding: var(--space-xl);
        transition: left 0.3s;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .modules-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .cta-title {
        font-size: 2rem;
    }

    .btn-large {
        padding: var(--space-sm) var(--space-lg);
        font-size: 1rem;
    }
}

/* ============================================================================
   LEVELS SECTION (Inspirado no FEP)
   ============================================================================ */

.levels-section {
    padding: var(--space-3xl) 0;
    background: linear-gradient(180deg, var(--dark) 0%, var(--dark-light) 100%);
}

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

.level-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-xl);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.level-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-xl);
}

/* Bordas coloridas por nível */
.level-card.level-fundamentos:hover {
    border-color: #10b981;
    box-shadow: 0 20px 40px rgba(16, 185, 129, 0.2);
}

.level-card.level-aplicacao:hover {
    border-color: #8b5cf6;
    box-shadow: 0 20px 40px rgba(139, 92, 246, 0.2);
}

.level-card.level-estrategico:hover {
    border-color: #3b82f6;
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.2);
}

.level-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.level-icon {
    font-size: 3rem;
    line-height: 1;
}

.level-info {
    flex: 1;
}

.level-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    margin: 0 0 0.25rem 0;
}

.level-duration {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin: 0;
}

.level-description {
    color: var(--text);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.level-modules {
    flex: 1;
    margin-bottom: var(--space-lg);
}

.level-modules h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.level-modules ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.level-modules li {
    color: var(--text);
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.9rem;
}

.level-modules li:last-child {
    border-bottom: none;
}

/* CTAs dos níveis */
.level-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    width: 100%;
    border: 2px solid;
}

.btn-fundamentos {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    border-color: #10b981;
}

.btn-fundamentos:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    transform: translateX(5px);
    box-shadow: 0 10px 20px rgba(16, 185, 129, 0.3);
}

.btn-aplicacao {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    color: white;
    border-color: #8b5cf6;
}

.btn-aplicacao:hover {
    background: linear-gradient(135deg, #7c3aed 0%, #6d28d9 100%);
    transform: translateX(5px);
    box-shadow: 0 10px 20px rgba(139, 92, 246, 0.3);
}

.btn-estrategico {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    border-color: #3b82f6;
}

.btn-estrategico:hover {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    transform: translateX(5px);
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.3);
}

/* Responsividade */
@media (max-width: 768px) {
    .levels-grid {
        grid-template-columns: 1fr;
    }

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

    .level-title {
        font-size: 1.25rem;
    }
}