/* ===== VARIÁVEIS GLOBAIS ===== */
:root {
    /* Cores principais */
    --cor-branco: #FFFFFF;
    --cor-lilas-suave: #DDD6FE;
    --cor-lilas-medio: #C4B5FD;
    --cor-roxo-claro: #A78BFA;
    --cor-roxo-medio: #8B5CF6;
    --cor-rosa-pastel: #FFC0CB;
    --cor-rosa-pastel-claro: #FFB6C1;
    --cor-texto-escuro: #1F2937;
    --cor-texto-medio: #6B7280;
    --sombra-suave: 0 2px 8px rgba(139, 92, 246, 0.1);
    --sombra-media: 0 4px 16px rgba(139, 92, 246, 0.15);
    --sombra-forte: 0 8px 24px rgba(139, 92, 246, 0.2);
    
    /* Tipografia */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Espaçamentos */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 5rem;
    
    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 50%;
    
    /* Transições */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ===== RESET E BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--cor-texto-escuro);
    background-color: var(--cor-branco);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--cor-texto-escuro);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

a {
    text-decoration: none;
    color: var(--cor-roxo-medio);
    transition: var(--transition-base);
}

a:hover {
    color: var(--cor-roxo-claro);
}

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

/* ===== UTILITÁRIOS ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

/* ===== COMPONENTES ===== */

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-lg);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
}

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

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: linear-gradient(135deg, var(--cor-roxo-medio), var(--cor-roxo-claro));
    color: var(--cor-branco);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--cor-roxo-claro), var(--cor-lilas-medio));
    color: var(--cor-branco);
}

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

.btn-outline:hover {
    background: var(--cor-roxo-medio);
    color: var(--cor-branco);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-nav {
    padding: 0.5rem 1.25rem;
    font-size: 0.9rem;
}

.btn-outline.btn-nav {
    border-width: 1.5px;
}

.nav-menu {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

/* Cards */
.card {
    background: var(--cor-branco);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--sombra-suave);
    transition: var(--transition-base);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--sombra-media);
}

.card-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--cor-lilas-suave), var(--cor-lilas-medio));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    font-size: 1.5rem;
    color: var(--cor-roxo-medio);
}

/* ===== HEADER ===== */
.header {
    background: var(--cor-branco);
    box-shadow: var(--sombra-suave);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo {
    font-size: 1.75rem;
    background: linear-gradient(135deg, var(--cor-roxo-medio), var(--cor-rosa-pastel));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
}

.logo-link {
    display: inline-flex;
    align-items: center;
    transition: var(--transition-base);
}

.logo-link:hover {
    transform: scale(1.05);
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--cor-lilas-suave) 0%, var(--cor-rosa-pastel-claro) 100%);
    position: relative;
    overflow: hidden;
}

.hero-content {
    text-align: center;
    z-index: 2;
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--cor-roxo-medio), var(--cor-roxo-claro));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--cor-texto-medio);
    margin-bottom: var(--spacing-lg);
    font-style: italic;
}

/* Decoração animada */
.hero-decoration {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
}

.circle {
    position: absolute;
    border-radius: var(--radius-full);
    opacity: 0.3;
}

.circle-1 {
    width: 300px;
    height: 300px;
    background: var(--cor-lilas-medio);
    top: -100px;
    right: -100px;
    animation: float 20s infinite ease-in-out;
}

.circle-2 {
    width: 200px;
    height: 200px;
    background: var(--cor-rosa-pastel);
    bottom: -50px;
    left: -50px;
    animation: float 15s infinite ease-in-out reverse;
}

.circle-3 {
    width: 150px;
    height: 150px;
    background: var(--cor-roxo-claro);
    top: 50%;
    left: 10%;
    animation: float 25s infinite ease-in-out;
}

/* ===== SEÇÕES ===== */
section {
    padding: var(--spacing-xxl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    font-size: 2.5rem;
    color: var(--cor-texto-escuro);
}

/* Como Funciona */
.how-it-works {
    background: var(--cor-branco);
}

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

.cards-grid .card {
    text-align: center;
}

.cards-grid .card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--cor-roxo-medio);
}

.cards-grid .card p {
    color: var(--cor-texto-medio);
}

/* Benefícios */
.benefits {
    background: linear-gradient(to bottom, var(--cor-lilas-suave), var(--cor-branco));
}

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

.benefit-card {
    background: var(--cor-branco);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--sombra-suave);
    transition: var(--transition-base);
}

.benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--sombra-media);
}

.benefit-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--cor-lilas-medio);
    border-radius: var(--radius-full);
    color: var(--cor-roxo-medio);
    font-size: 1.25rem;
}

.benefit-card h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--cor-texto-escuro);
}

.benefit-card p {
    color: var(--cor-texto-medio);
    font-size: 0.9rem;
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, var(--cor-roxo-medio), var(--cor-roxo-claro));
    color: var(--cor-branco);
    text-align: center;
}

.cta-content h2 {
    color: var(--cor-branco);
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--cor-texto-escuro);
    color: var(--cor-branco);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

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

.footer-brand .logo {
    color: var(--cor-branco);
    margin-bottom: var(--spacing-sm);
}

.footer-logo {
    height: 50px;
    width: auto;
    filter: brightness(0) invert(1);
    margin-bottom: var(--spacing-sm);
}

.footer-brand p {
    opacity: 0.8;
    font-style: italic;
}

.footer h4 {
    color: var(--cor-branco);
    margin-bottom: var(--spacing-md);
}

.footer ul {
    list-style: none;
}

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

.footer ul a {
    color: var(--cor-branco);
    opacity: 0.8;
    transition: var(--transition-base);
}

.footer ul a:hover {
    opacity: 1;
    color: var(--cor-lilas-medio);
}

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

.social-icons a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    color: var(--cor-branco);
    transition: var(--transition-base);
}

.social-icons a:hover {
    background: var(--cor-roxo-medio);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.8;
}

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

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.05);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.95);
    }
}

/* ===== LOADING E ESTADOS ===== */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--cor-lilas-suave);
    border-top-color: var(--cor-roxo-medio);
    border-radius: var(--radius-full);
    animation: spin 1s ease-in-out infinite;
}

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

.error-message {
    background: #FEE2E2;
    color: #DC2626;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
}

.success-message {
    background: #D1FAE5;
    color: #059669;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
}