/* ===== SEÇÃO SOBRE NÓS MODERNA COM GLASSMORPHISM ESCURO ===== */

.about-section-modern {
    position: relative;
    padding: var(--space-lg) var(--space-sm);
    min-height: auto;
    display: flex;
    align-items: center;
    overflow: hidden;
    border-radius: 20px 20px 0 0;
    z-index: 10001;
    contain: layout style;
}

/* Background escuro com luzes ambientes */
.about-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 25% 25%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(168, 85, 247, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 50% 10%, rgba(37, 99, 235, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 10% 80%, rgba(34, 197, 94, 0.08) 0%, transparent 40%),
        linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    z-index: -3;
    border-radius: 20px 20px 0 0;
    pointer-events: none;
}

/* Efeito de luzes flutuantes */
.about-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(99, 102, 241, 0.08) 0%, transparent 25%),
        radial-gradient(circle at 80% 70%, rgba(168, 85, 247, 0.06) 0%, transparent 25%),
        radial-gradient(circle at 60% 20%, rgba(34, 197, 94, 0.05) 0%, transparent 25%);
    /* animação removida — causa jank com scale+rotate */
    z-index: -2;
    pointer-events: none;
}

@keyframes ambient-lights {
    0% { 
        opacity: 0.6;
        transform: scale(1) rotate(0deg);
    }
    100% { 
        opacity: 1;
        transform: scale(1.1) rotate(5deg);
    }
}

/* Grid tecnológico sutil */
.about-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -1;
    opacity: 0.4;
}

/* Ondas tecnológicas sutis */
.about-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 150px;
    z-index: -1;
    opacity: 0.1;
}

/* Container principal */
.about-container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    z-index: 10002; /* Acima de tudo */
    position: relative;
}

/* Header da seção */
.about-header {
    text-align: center;
    margin-bottom: var(--space-md);
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: var(--space-lg) var(--space-md);
    position: relative;
    overflow: hidden;
    z-index: 10001; /* Acima do header */
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.about-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.08) 0%, rgba(255,255,255,0.02) 100%);
    pointer-events: none;
}

.about-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
    background: linear-gradient(135deg, #ffffff 0%, rgba(255,255,255,0.9) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 1;
}

.about-glow-line {
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, rgba(255,255,255,0.8), rgba(99,102,241,0.6), rgba(255,255,255,0.8));
    margin: 0 auto 1rem;
    border-radius: 3px;
    position: relative;
    overflow: hidden;
    z-index: 1;
    box-shadow: 
        0 0 10px rgba(255,255,255,0.3),
        0 2px 4px rgba(255,255,255,0.2),
        inset 0 1px 0 rgba(255,255,255,0.8),
        inset 0 -1px 0 rgba(255,255,255,0.4);
    transform: perspective(100px) rotateX(15deg);
}

.about-glow-line::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255,255,255,0.1) 25%, 
        rgba(255,255,255,0.3) 50%, 
        rgba(255,255,255,0.1) 75%, 
        transparent 100%);
    border-radius: 3px;
}

.about-glow-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.9), transparent);
    animation: aboutShimmer 2.5s ease-in-out infinite;
    border-radius: 3px;
}

@keyframes aboutShimmer {
    0% { 
        left: -100%; 
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% { 
        left: 100%; 
        opacity: 0;
    }
}

.about-subtitle {
    font-size: 0.95rem;
    opacity: 0.95;
    max-width: 450px;
    margin: 0 auto;
    line-height: 1.5;
    position: relative;
    z-index: 1;
}

/* Grid de cards com glassmorphism */
.about-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.about-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    padding: var(--space-md);
    text-align: center;
    color: var(--color-white);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    z-index: 10001; /* Acima do header */
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(99, 102, 241, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.about-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.25);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.2);
}

.about-card:hover::before {
    opacity: 1;
}

.card-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-sm);
    background: rgba(99, 102, 241, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.9);
    transition: all 0.3s ease;
}

.about-card:hover .card-icon {
    background: rgba(99, 102, 241, 0.25);
    transform: scale(1.1);
}

.about-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
    color: var(--color-white);
}

.about-card p {
    font-size: 0.9rem;
    line-height: 1.5;
    opacity: 0.9;
}

/* Seção da missão */
.about-mission {
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 24px;
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
    text-align: center;
    color: var(--color-white);
}

.mission-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: rgba(255, 255, 255, 0.9);
}

.mission-content p {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: var(--space-sm);
    opacity: 0.95;
}

.mission-content p:last-child {
    margin-bottom: 0;
}

/* CTA Button */
.about-cta {
    text-align: center;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--color-cta);
    color: var(--color-white);
    padding: var(--space-md) var(--space-xl);
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: 2px solid var(--color-cta);
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.cta-button:hover {
    background: var(--color-cta-hover);
    border-color: var(--color-cta-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(245, 158, 11, 0.3);
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button svg {
    transition: transform 0.3s ease;
}

.cta-button:hover svg {
    transform: translateX(4px);
}

/* Responsividade */
@media (min-width: 768px) {
    .about-section-modern {
        padding: var(--space-xl) var(--space-lg);
    }
    
    .about-header {
        padding: var(--space-lg) var(--space-md);
        margin-bottom: var(--space-lg);
    }
    
    .about-title {
        font-size: 2.2rem;
    }
    
    .about-subtitle {
        font-size: 1.05rem;
    }
    
    .about-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-lg);
    }
    
    .about-wave {
        height: 300px;
    }
}

@media (min-width: 1024px) {
    .about-header {
        padding: var(--space-lg) 2rem;
        border-radius: 16px;
    }
    
    .about-cards {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .about-title {
        font-size: 2.4rem;
    }
    
    .about-subtitle {
        font-size: 1.1rem;
    }
    
    .about-mission {
        padding: var(--space-xl) 3rem;
    }
    
    .mission-content {
        max-width: 700px;
        margin: 0 auto;
    }
}

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

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

.about-header {
    animation: fadeInUp 0.8s ease-out;
}

.about-card {
    animation: revealUp 0.6s ease-out forwards;
}

.about-card:nth-child(1) { 
    animation-delay: 0s; 
}

.about-card:nth-child(2) { 
    animation-delay: 0.2s; 
}

.about-card:nth-child(3) { 
    animation-delay: 0.4s; 
}

.about-mission {
    animation: fadeInUp 0.8s ease-out;
}

.about-cta {
    animation: fadeInUp 0.8s ease-out;
}

/* Acessibilidade */
@media (prefers-reduced-motion: reduce) {
    .about-card,
    .about-header,
    .about-mission,
    .about-cta {
        animation: none;
        opacity: 1;
        transform: translateY(0);
    }
    
    .about-card:hover {
        transform: none;
    }
    
    .cta-button:hover {
        transform: none;
    }
}

/* Melhorar contraste em modo de alto contraste */
@media (prefers-contrast: high) {
    .about-card {
        background: rgba(255, 255, 255, 0.2);
        border: 2px solid rgba(255, 255, 255, 0.4);
    }
    
    .about-mission {
        background: rgba(255, 255, 255, 0.15);
        border: 2px solid rgba(255, 255, 255, 0.3);
    }
}
/* Elementos de luz ambiente — estáticos para não causar jank */
.about-section-modern::before {
    content: '';
    position: absolute;
    top: 15%;
    left: 10%;
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(40px);
    z-index: -1;
    pointer-events: none;
}

.about-section-modern::after {
    content: '';
    position: absolute;
    top: 70%;
    right: 15%;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.10) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(35px);
    z-index: -1;
    pointer-events: none;
}

@keyframes glow-pulse-1 {
    0%, 100% { 
        opacity: 0.4;
        transform: scale(1);
    }
    50% { 
        opacity: 0.8;
        transform: scale(1.2);
    }
}

@keyframes glow-pulse-2 {
    0%, 100% { 
        opacity: 0.3;
        transform: scale(1);
    }
    50% { 
        opacity: 0.7;
        transform: scale(1.1);
    }
}

/* Partículas de luz — removidas animações para melhor performance */
.about-container::before {
    display: none;
}

/* Reflexos de vidro — removidos para melhor performance */
.about-container::after {
    display: none;
}

@keyframes twinkle {
    0%, 100% { 
        opacity: 0.3;
        transform: scale(1);
    }
    50% { 
        opacity: 1;
        transform: scale(1.5);
    }
}

50% { 
        opacity: 0.5;
        transform: rotate(-15deg) translateX(20px);
    }
}