/* Reset e base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Light mode clean */
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #7c3aed;
    --accent: #0891b2;
    --success: #059669;
    --warning: #d97706;
    --danger: #dc2626;
    
    /* Cores de fundo - Light mode */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-card: #ffffff;
    --bg-hover: #f1f5f9;
    
    /* Cores de texto - Light mode */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --text-accent: #1e293b;
    
    /* Bordas e sombras - Light mode */
    --border: #e2e8f0;
    --border-light: #cbd5e1;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Gradientes - Light mode */
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent) 0%, var(--primary) 100%);
    --gradient-bg: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    --gradient-hero: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    
    /* Tipografia */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Espaçamentos */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;
    --spacing-32: 8rem;
    
    /* Bordas */
    --border-radius-sm: 0.375rem;
    --border-radius: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    --border-radius-2xl: 1.5rem;
    
    /* Larguras */
    --max-width-sm: 640px;
    --max-width-md: 768px;
    --max-width-lg: 1024px;
    --max-width-xl: 1280px;
    --max-width-2xl: 1536px;
    
    /* Transições */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    min-height: 100vh;
}

.container {
    max-width: var(--max-width-xl);
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-6);
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 var(--spacing-8);
    }
}

@media (min-width: 1280px) {
    .container {
        max-width: var(--max-width-2xl);
        padding: 0 var(--spacing-12);
    }
}

/* Header e Navigation */
.header {
    position: relative;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.nav {
    padding: var(--spacing-4) 0;
}

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

.logo {
    font-size: var(--font-size-xl);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-8);
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: var(--spacing-2) 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

.nav-menu a:hover {
    color: var(--text-primary);
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    font-size: var(--font-size-2xl);
    cursor: pointer;
    color: var(--text-secondary);
    background: none;
    border: none;
}

/* Hero Section */
.hero {
    padding: var(--spacing-16) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    background: var(--gradient-hero);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(37, 99, 235, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(124, 58, 237, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(8, 145, 178, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-6);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-quote {
    font-size: var(--font-size-xl);
    font-style: italic;
    font-weight: 500;
    color: var(--text-primary);
    max-width: 800px;
    margin: 0 auto var(--spacing-8);
    padding: var(--spacing-8);
    background: var(--bg-card);
    border: 2px solid var(--primary);
    border-radius: var(--border-radius-2xl);
    box-shadow: var(--shadow-lg);
    position: relative;
    transform: perspective(1000px) rotateX(2deg);
}

.hero-quote::before {
    content: '"';
    position: absolute;
    top: -15px;
    left: 30px;
    font-size: 4rem;
    color: var(--primary);
    font-family: Georgia, serif;
    font-weight: bold;
}

.hero-quote::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-4) var(--spacing-8);
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius-lg);
    font-weight: 600;
    font-size: var(--font-size-lg);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

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

/* Main content - Design clean */
.main {
    padding: var(--spacing-16) 0;
}

.section {
    margin-bottom: var(--spacing-24);
}

@media (min-width: 1024px) {
    .section {
        margin-bottom: var(--spacing-32);
    }
}


.section-header {
    text-align: center;
    margin-bottom: var(--spacing-12);
}

.section h2 {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--spacing-6);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.025em;
    line-height: 1.2;
}

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

/* Carrossel de Reflexões */
.carousel-container {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius-xl);
}

.carousel {
    display: flex;
    transition: transform 0.5s ease;
}

.carousel-slide {
    min-width: 100%;
    padding: var(--spacing-8);
    background: var(--bg-card);
    border: 1px solid var(--border);
    text-align: center;
}

.carousel-slide h3 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--spacing-4);
}

.carousel-slide p {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 500px;
    margin: 0 auto;
}

.carousel-nav {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2);
    margin-top: var(--spacing-6);
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border);
    cursor: pointer;
    transition: var(--transition);
}

.carousel-dot.active {
    background: var(--primary);
}

.carousel-arrows {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
}

.carousel-arrows:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.carousel-prev {
    left: var(--spacing-4);
}

.carousel-next {
    right: var(--spacing-4);
}

/* Cards Grid - Layout melhorado para desktop */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-8);
    margin-top: var(--spacing-12);
}

@media (min-width: 1024px) {
    .cards-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-8);
    }
}

@media (min-width: 1280px) {
    .cards-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-12);
    }
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-6);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.1), transparent);
    transition: left 0.5s ease;
}

.card:hover::before {
    left: 100%;
}

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

.card-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-4);
}

.card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-3);
}

.card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Axiomas com numeração - Destaque especial */
.axiomas-grid {
    display: grid;
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-8);
}

.axioma {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-6);
    padding: var(--spacing-8);
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--border-radius-xl);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.axioma::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 6px;
    height: 100%;
    background: var(--gradient-primary);
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform 0.4s ease;
}

.axioma::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-xl);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.axioma:hover::before {
    transform: scaleY(1);
}

.axioma:hover::after {
    opacity: 0.1;
}

.axioma:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.axioma-numero {
    font-size: var(--font-size-4xl);
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    width: 80px;
    text-align: center;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.axioma-numero::before {
    content: '';
    position: absolute;
    inset: -8px;
    background: var(--gradient-primary);
    border-radius: 50%;
    opacity: 0.1;
    z-index: -1;
}

.axioma-content {
    min-width: 0;
}

.axioma h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-3);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.3;
}

.axioma p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    border-radius: var(--border-radius);
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: var(--font-size-base);
}

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

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

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

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

.btn-center {
    display: block;
    margin: var(--spacing-8) auto 0;
    width: fit-content;
}

/* Manifesto */
.manifesto-content {
    text-align: center;
}

.manifesto-quote {
    font-size: var(--font-size-2xl);
    font-style: italic;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-8);
    padding: var(--spacing-12);
    background: var(--bg-card);
    border: 3px solid var(--primary);
    border-radius: var(--border-radius-2xl);
    box-shadow: var(--shadow-xl);
    position: relative;
    transform: perspective(1000px) rotateX(1deg);
}

.manifesto-quote::before {
    content: '"';
    position: absolute;
    top: -25px;
    left: 40px;
    font-size: 5rem;
    color: var(--primary);
    font-family: Georgia, serif;
    font-weight: bold;
}

.manifesto-quote::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 6px;
    background: var(--gradient-primary);
    border-radius: 3px;
}

.principios {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-12);
    text-align: left;
}

@media (min-width: 1024px) {
    .principios {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-8);
    }
}

@media (min-width: 1280px) {
    .principios {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-8);
    }
}

.principio {
    padding: var(--spacing-6);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-lg);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.principio::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.principio:hover::after {
    transform: scaleX(1);
}

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

.principio h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-3);
}

.principio p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.manifesto-footer {
    text-align: center;
    font-style: italic;
    color: var(--text-secondary);
    padding: var(--spacing-6);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: var(--spacing-12) 0 var(--spacing-8);
    text-align: center;
    margin-top: var(--spacing-20);
}

.footer p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2);
}

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

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

/* Scroll to top */
.scroll-to-top {
    position: fixed;
    bottom: var(--spacing-6);
    right: var(--spacing-6);
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
    z-index: 100;
}

.scroll-to-top.visible {
    opacity: 1;
    transform: translateY(0);
}

.scroll-to-top:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

/* Responsividade */
@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2.25rem;
        --font-size-4xl: 1.875rem;
        --font-size-3xl: 1.5rem;
        --spacing-24: 4rem;
        --spacing-20: 3rem;
        --spacing-16: 2.5rem;
        --spacing-12: 2rem;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        border-top: 1px solid var(--border);
        box-shadow: var(--shadow-lg);
        flex-direction: column;
        padding: var(--spacing-4);
        gap: var(--spacing-4);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .hero {
        padding: var(--spacing-16) 0 var(--spacing-12);
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
    
    .axioma {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .axioma-numero {
        width: auto;
        margin-bottom: var(--spacing-2);
    }
    
    .principios {
        grid-template-columns: 1fr;
    }
    
    .carousel-arrows {
        display: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-3);
    }
    
    .hero {
        padding: var(--spacing-12) 0 var(--spacing-8);
    }
    
    .section {
        margin-bottom: var(--spacing-12);
    }
    
    .cards-grid {
        gap: var(--spacing-4);
    }
}

/* Animações de entrada */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* Estados de loading */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Melhorias de acessibilidade */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Estados de foco */
*:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Seleção de texto */
::selection {
    background: var(--primary);
    color: white;
}

/* Scrollbar personalizada */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}