/* ============================================
   ESTHETIC FLOW - LANDING PAGE
   Identidade Visual Premium
   ============================================ */

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

:root {
    /* Paleta de Cores */
    --color-primary: #6366F1;
    --color-secondary: #8B5CF6;
    --color-bg-light: #F3F4F6;
    --color-text-primary: #2C2C2C;
    --color-text-secondary: #8C8C8C;
    --color-white: #FFFFFF;
    
    /* Espaçamento */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;
    
    /* Border Radius */
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 24px;
    
    /* Sombras */
    --shadow-sm: 0 2px 8px rgba(99, 102, 241, 0.1);
    --shadow-md: 0 4px 16px rgba(99, 102, 241, 0.15);
    --shadow-lg: 0 8px 32px rgba(99, 102, 241, 0.2);
    
    /* Transições */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--color-text-primary);
    line-height: 1.6;
    background-color: var(--color-white);
    overflow-x: hidden;
}

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

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    position: relative;
    overflow: hidden;
    padding: var(--spacing-xl) 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--color-white);
    max-width: 800px;
    animation: fadeInUp 0.8s ease-out;
}

.hero-logo {
    margin-bottom: var(--spacing-lg);
    display: flex;
    justify-content: center;
    animation: fadeInUp 0.6s ease-out;
}

.logo-img {
    width: 120px;
    height: 120px;
    filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.2));
    transition: var(--transition);
}

.logo-img:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 12px 32px rgba(0, 0, 0, 0.3));
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.5px;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: var(--spacing-md);
    opacity: 0.95;
    line-height: 1.5;
}

.hero-text {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
    line-height: 1.6;
}

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

/* Botões */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: var(--radius-lg);
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-align: center;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(255, 255, 255, 0.3);
}

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

.btn-secondary:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
    transform: translateY(-2px);
}

.btn-cta {
    background: linear-gradient(135deg, var(--color-white) 0%, rgba(255, 255, 255, 0.9) 100%);
    color: var(--color-primary);
    padding: 1.25rem 3rem;
    font-size: 1.2rem;
    box-shadow: var(--shadow-lg);
}

.btn-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(255, 255, 255, 0.4);
}

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

.section {
    padding: var(--spacing-xxl) 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-primary);
    letter-spacing: -0.5px;
}

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

.about {
    background-color: var(--color-bg-light);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-text {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.about-text strong {
    color: var(--color-primary);
    font-weight: 600;
}

/* ============================================
   BENEFITS SECTION
   ============================================ */

.benefits {
    background-color: var(--color-white);
}

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

.benefit-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    text-align: center;
    border: 1px solid rgba(99, 102, 241, 0.1);
}

.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    display: block;
}

.benefit-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.benefit-text {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

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

.features {
    background: linear-gradient(135deg, var(--color-bg-light) 0%, rgba(139, 92, 246, 0.05) 100%);
}

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

.feature-item {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    font-weight: 500;
    color: var(--color-text-primary);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid rgba(99, 102, 241, 0.1);
}

.feature-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.features-text {
    text-align: center;
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ============================================
   TARGET SECTION
   ============================================ */

.target {
    background-color: var(--color-white);
}

.target-content {
    max-width: 800px;
    margin: 0 auto;
}

.target-text {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.target-list {
    list-style: none;
    max-width: 700px;
    margin: 0 auto;
}

.target-list li {
    font-size: 1.1rem;
    color: var(--color-text-primary);
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    line-height: 1.8;
}

.target-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
    font-size: 1.3rem;
}

/* ============================================
   DIFFERENTIATORS SECTION
   ============================================ */

.differentiators {
    background-color: var(--color-bg-light);
}

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

.differentiator-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid rgba(99, 102, 241, 0.1);
}

.differentiator-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.differentiator-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.differentiator-text {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ============================================
   FAQ SECTION
   ============================================ */

.faq {
    background-color: var(--color-white);
}

.faq-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
    margin-top: var(--spacing-lg);
}

.faq-item {
    background: var(--color-white);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(99, 102, 241, 0.1);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

.faq-question {
    padding: var(--spacing-lg);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
    transition: var(--transition);
}

.faq-question:hover {
    background-color: rgba(99, 102, 241, 0.05);
}

.faq-question h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0;
    flex: 1;
    padding-right: var(--spacing-md);
    line-height: 1.5;
}

.faq-icon {
    font-size: 1.8rem;
    font-weight: 300;
    color: var(--color-primary);
    transition: var(--transition);
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: rgba(99, 102, 241, 0.1);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
    background-color: var(--color-primary);
    color: var(--color-white);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out, padding 0.4s ease-out;
    padding: 0 var(--spacing-lg);
}

.faq-item.active .faq-answer {
    max-height: 1000px;
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.faq-answer p {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
}

.faq-answer p:last-child {
    margin-bottom: 0;
}

.faq-answer ul {
    list-style: none;
    padding-left: 0;
    margin: var(--spacing-sm) 0;
}

.faq-answer ul li {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-lg);
    position: relative;
}

.faq-answer ul li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 600;
    font-size: 1.2rem;
}

.faq-answer ul li strong {
    color: var(--color-text-primary);
    font-weight: 600;
}

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

.cta-final {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    padding: var(--spacing-xxl) 0;
}

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

.cta-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.5px;
}

.cta-text {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
    line-height: 1.6;
}

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

.footer {
    background-color: var(--color-text-primary);
    color: var(--color-white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-brand {
    text-align: left;
}

.footer-logo-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.footer-logo {
    width: 64px;
    height: 64px;
    flex-shrink: 0;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

.footer-brand-text {
    flex: 1;
}

.footer-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-slogan {
    font-size: 1rem;
    opacity: 0.9;
    font-style: italic;
}

.footer-text {
    text-align: right;
}

.footer-text p {
    font-size: 1rem;
    opacity: 0.8;
    line-height: 1.6;
}

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

.footer-bottom p {
    font-size: 0.9rem;
    opacity: 0.7;
}

/* ============================================
   ANIMAÇÕES
   ============================================ */

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

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   RESPONSIVIDADE
   ============================================ */

/* Tablet */
@media (max-width: 968px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.3rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .cta-title {
        font-size: 2.5rem;
    }
    
    .benefits-grid,
    .differentiators-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-text {
        text-align: center;
    }
    
    .footer-logo-wrapper {
        justify-content: center;
    }
    
    .logo-img {
        width: 100px;
        height: 100px;
    }
}

/* Mobile */
@media (max-width: 640px) {
    :root {
        --spacing-xl: 3rem;
        --spacing-xxl: 4rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero {
        min-height: 90vh;
        padding: var(--spacing-lg) 0;
    }
    
    .hero-logo {
        margin-bottom: var(--spacing-md);
    }
    
    .logo-img {
        width: 80px;
        height: 80px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-text {
        font-size: 1rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
    }
    
    .btn {
        width: 100%;
        padding: 0.9rem 2rem;
    }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .about-text {
        font-size: 1.1rem;
    }
    
    .benefits-grid,
    .features-grid,
    .differentiators-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .benefit-card,
    .differentiator-card {
        padding: var(--spacing-md);
    }
    
    .target-text {
        font-size: 1.1rem;
    }
    
    .target-list li {
        font-size: 1rem;
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    .cta-text {
        font-size: 1.1rem;
    }
    
    .btn-cta {
        padding: 1rem 2rem;
        font-size: 1.1rem;
    }
    
    .faq-subtitle {
        font-size: 1.1rem;
    }
    
    .faq-question h3 {
        font-size: 1.1rem;
    }
    
    .faq-answer p,
    .faq-answer ul li {
        font-size: 0.95rem;
    }
    
    .footer-title {
        font-size: 1.5rem;
    }
    
    .footer-logo {
        width: 48px;
        height: 48px;
    }
    
    .footer-logo-wrapper {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

/* Mobile Pequeno */
@media (max-width: 400px) {
    .hero-title {
        font-size: 1.75rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .cta-title {
        font-size: 1.75rem;
    }
}