html {
    scroll-behavior: smooth;
}

body {
    /* Fundo branco e texto escuro para contraste exigido */
    background-color: #FFFFFF;
    color: #212529;
    overflow-x: hidden;
    margin: 0;
    padding: 0;
}

/* -------------------------------------
   Video Background Controls
------------------------------------- */
.video-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #FFF;
}

#hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Máscara em degradê branco bilateral para garantir contraste total nas laterais */
.video-gradient-mask {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg,
            rgba(255, 255, 255, 1) 0%,
            rgba(255, 255, 255, 0.85) 25%,
            rgba(255, 255, 255, 0.2) 50%,
            rgba(255, 255, 255, 0.85) 75%,
            rgba(255, 255, 255, 1) 100%);
    z-index: 1;
}

/* -------------------------------------
   Text Reveal Animations (Blur-in)
------------------------------------- */
.reveal-up {
    opacity: 0;
    transform: translateY(30px);
    filter: blur(15px);
    will-change: transform, opacity, filter;
    transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1),
        opacity 1.2s ease,
        filter 1.2s ease;
    display: inline-block;
    /* Necessário para aplicar transformações na mesma linha/bloco */
}

.reveal-active {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
}

/* Delays utilitários */
.delay-100 {
    transition-delay: 0.1s;
}

.delay-200 {
    transition-delay: 0.2s;
}

.delay-300 {
    transition-delay: 0.3s;
}

.delay-400 {
    transition-delay: 0.4s;
}

.delay-500 {
    transition-delay: 0.5s;
}

/* -------------------------------------
   Botões & Componentes (do Design System)
------------------------------------- */
.btn-shine {
    position: relative;
    overflow: hidden;
}

.btn-shine::after {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.4), transparent);
    transform: skewX(-20deg);
}

.btn-shine:hover::after {
    left: 150%;
    transition: all 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-outline-anim {
    position: relative;
    z-index: 1;
    overflow: hidden;
    transition: color 0.4s ease;
    border-color: rgba(33, 37, 41, 0.2);
    /* Borda escura suave */
}

.btn-outline-anim::before {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 0%;
    background-color: #11A397;
    /* Brand Teal */
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: -1;
}

.btn-outline-anim:hover {
    border-color: #11A397;
    color: #FFFFFF;
}

.btn-outline-anim:hover::before {
    height: 100%;
}

/* -------------------------------------
   Scroll & Layout
------------------------------------- */
/* Container de scroll longo para o pinning da Hero */
#hero-pin-container {
    position: relative;
    height: 400vh;
    /* Espaço para os 14 segundos de vídeo no scroll */
    z-index: 10;
}

/* O painel que fica fixo no viewport */
#hero-panel {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center;
    background-color: #FFFFFF;
}

/* -------------------------------------
   Section 2 - Depth Simulation & Benefits
------------------------------------- */
.depth-section {
    position: relative;
    z-index: 20;
    background-color: #FFFFFF;
    border-top: 1px solid #E9ECEF;
    background-image:
        radial-gradient(at 0% 100%, rgba(187, 48, 135, 0.03) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(17, 163, 151, 0.03) 0px, transparent 50%);
}

.parallax-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    perspective: 1500px;
}

.parallax-card-container {
    position: relative;
    width: 100%;
    max-width: 440px;
    height: 560px;
    transform-style: preserve-3d;
    cursor: pointer;
}

/* Card Traseiro (Chassis) */
.chassis-card {
    position: absolute;
    inset: -12px;
    background: rgba(33, 37, 41, 0.02);
    border: 1px solid rgba(33, 37, 41, 0.05);
    border-radius: 24px;
    backdrop-filter: blur(8px);
    pointer-events: none;
    transform: translateZ(-40px);
    transition: transform 0.15s cubic-bezier(0.25, 1, 0.5, 1);
}

/* Card Principal */
.glass-card-3d {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.45);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    box-shadow: 0 25px 50px -12px rgba(33, 37, 41, 0.06);
    transform-style: preserve-3d;
    transition: transform 0.15s cubic-bezier(0.25, 1, 0.5, 1), box-shadow 0.3s ease;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 28px;
    z-index: 10;
}

.glass-card-3d:hover {
    box-shadow: 0 35px 60px -10px rgba(17, 163, 151, 0.12);
}

/* Efeito de Reflexo de Luz / Lanterna */
.glass-card-3d::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(400px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
            rgba(255, 255, 255, 0.55),
            transparent 60%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
    z-index: 5;
}

.glass-card-3d:hover::before {
    opacity: 1;
}

/* Glow colorido de fundo que segue o rato */
.card-bg-glow {
    position: absolute;
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(17, 163, 151, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    transform: translate3d(var(--glow-x, -50%), var(--glow-y, -50%), -50px);
    transition: transform 0.25s cubic-bezier(0.1, 0.8, 0.25, 1);
}

/* Elementos com profundidade 3D */
.depth-element-far {
    transform: translateZ(60px);
}

.depth-element-mid {
    transform: translateZ(30px);
}

/* Linha brilhante (Gauge) */
.glow-line-container {
    width: 100%;
    height: 4px;
    background: rgba(33, 37, 41, 0.08);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.glow-line-fill {
    height: 100%;
    width: 75%;
    background: linear-gradient(90deg, #11A397, #BB3087);
    border-radius: 2px;
    position: relative;
    box-shadow: 0 0 10px rgba(17, 163, 151, 0.4);
}

.glow-line-fill::after {
    content: "";
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: #FFFFFF;
    border: 2px solid #11A397;
    border-radius: 50%;
    box-shadow: 0 0 8px #11A397;
}

@keyframes scrollDot {
    0% {
        transform: translateY(-100%);
    }

    100% {
        transform: translateY(200%);
    }
}

/* -------------------------------------
   Section 3 - Science Video Showcase & Glass Box
------------------------------------- */
#science-video-section {
    position: relative;
    z-index: 20;
    background-color: #FFFFFF;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-top: 1px solid #E9ECEF;
    border-bottom: 1px solid #E9ECEF;
    padding: 90px 24px;
    perspective: 1500px;
    /* Habilita profundidade 3D realista nos hovers */
}

.section-video-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
    opacity: 0.65;
    /* Revertido de 0.45 para melhor contraste do vídeo */
}

.science-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.7) 0%, rgba(248, 249, 250, 0.85) 50%, rgba(255, 255, 255, 0.7) 100%);
    /* Revertido para valores originais */
    z-index: 1;
}

.glass-glow-box {
    position: relative;
    background: rgba(255, 255, 255, 0.4);
    /* Primary Glass Panel do Design System */
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    /* Borda Glass do Design System */
    border-radius: 24px;
    padding: 44px;
    box-shadow: 0 25px 50px -12px rgba(33, 37, 41, 0.05);
    overflow: hidden;
    max-width: 680px;
    /* Largura reduzida para melhor visualização do vídeo */
    width: 100%;
    z-index: 10;
    transform-style: preserve-3d;
    will-change: transform;
    transition: border-color 0.4s ease, box-shadow 0.4s ease;
}

.glass-glow-box::before {
    content: "";
    position: absolute;
    inset: 0px;
    background: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
            rgba(17, 163, 151, 0.12),
            transparent 45%);
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
    z-index: 1;
}

.glass-glow-box:hover::before {
    opacity: 1;
}

.glass-glow-box:hover {
    border-color: rgba(17, 163, 151, 0.3);
    box-shadow: 0 35px 60px -15px rgba(17, 163, 151, 0.08);
}

.pulsing-glow-back {
    position: absolute;
    width: 550px;
    height: 550px;
    background: radial-gradient(circle, rgba(17, 163, 151, 0.05) 0%, transparent 70%);
    filter: blur(60px);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    animation: floatGlow 12s ease-in-out infinite alternate;
}

@keyframes floatGlow {
    0% {
        transform: translate(-40px, -40px) scale(0.9);
    }

    100% {
        transform: translate(40px, 40px) scale(1.1);
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

@keyframes shimmer {
    from {
        transform: translateX(-100%) skewX(-15deg);
    }

    to {
        transform: translateX(200%) skewX(-15deg);
    }
}

/* -------------------------------------
   Seção de Banda Animada (Marquee)
------------------------------------- */
.marquee-band {
    background-color: #E9ECEF;
    /* Cor bg-grey do Design System */
    border-top: 1px solid #DEE2E6;
    border-bottom: 1px solid #DEE2E6;
    overflow: hidden;
    white-space: nowrap;
    display: flex;
    align-items: center;
    padding: 22px 0;
    width: 100%;
    position: relative;
    z-index: 25;
    user-select: none;
}

.marquee-track {
    display: flex;
    width: max-content;
    animation: marquee-loop 38s linear infinite;
}

.marquee-track:hover {
    animation-play-state: paused;
}

.marquee-group {
    display: flex;
    align-items: center;
    gap: 60px;
    padding-right: 60px;
}

@keyframes marquee-loop {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}