/* === ANIMAÇÕES E TRANSIÇÕES === */

/* Fade in de baixo para cima */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(32px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Fade in simples */
@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* Pulso do ponto de status */
@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.5; transform: scale(0.8); }
}

/* Pulso de brilho no botão */
@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 20px var(--accent-glow); }
    50%       { box-shadow: 0 0 40px var(--accent-glow), 0 0 80px rgba(37,99,235,0.2); }
}

/* Rotação orbital */
@keyframes orbit {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

/* Rotação orbital inversa */
@keyframes orbit-reverse {
    from { transform: rotate(0deg); }
    to   { transform: rotate(-360deg); }
}

/* Pulso de linha (dados fluindo) */
@keyframes data-flow {
    0%   { stroke-dashoffset: 200; opacity: 0; }
    20%  { opacity: 1; }
    80%  { opacity: 1; }
    100% { stroke-dashoffset: 0; opacity: 0; }
}

/* Bounce do scroll indicator */
@keyframes scroll-bounce {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(8px); }
}

/* Gradiente animado de fundo */
@keyframes gradient-shift {
    0%   { background-position: 0% 50%; }
    50%  { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Efeito de digitação (cursor piscando) */
@keyframes cursor-blink {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0; }
}

/* Flutuação suave para elementos decorativos */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50%       { transform: translateY(-12px); }
}

/* Expansão radial para highlight de seção */
@keyframes radial-expand {
    from { transform: scale(0.8); opacity: 0; }
    to   { transform: scale(1); opacity: 1; }
}

/* Slide da esquerda */
@keyframes slideLeft {
    from { opacity: 0; transform: translateX(-24px); }
    to   { opacity: 1; transform: translateX(0); }
}

/* Slide da direita */
@keyframes slideRight {
    from { opacity: 0; transform: translateX(24px); }
    to   { opacity: 1; transform: translateX(0); }
}

/* Scan line (efeito tech) */
@keyframes scan {
    0%   { top: -5%; }
    100% { top: 105%; }
}

/* === CLASSES DE ANIMAÇÃO ATIVADAS POR JS === */

/* Estado inicial: invisível */
.anim-hidden {
    opacity: 0;
    transform: translateY(32px);
}

/* Estado visível após scroll */
.anim-visible {
    animation: fadeUp 0.7s cubic-bezier(0.23, 1, 0.32, 1) forwards;
}

/* Delays escalonados para grids */
.anim-delay-1 { animation-delay: 0.1s; }
.anim-delay-2 { animation-delay: 0.2s; }
.anim-delay-3 { animation-delay: 0.3s; }
.anim-delay-4 { animation-delay: 0.4s; }
.anim-delay-5 { animation-delay: 0.5s; }
.anim-delay-6 { animation-delay: 0.6s; }

/* === EFEITO HOVER DE CARD PREMIUM === */
.card-hover {
    transition: transform 0.35s cubic-bezier(0.23, 1, 0.32, 1),
                box-shadow 0.35s ease,
                border-color 0.2s ease;
}

.card-hover:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4), 0 0 0 1px var(--border-accent);
}

/* === LINHA DE PROGRESSO === */
.progress-line {
    height: 2px;
    background: var(--border-subtle);
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: var(--grad-primary);
    border-radius: var(--radius-full);
    transition: width 1s cubic-bezier(0.23, 1, 0.32, 1);
    width: 0;
}

/* === EFEITO DE SCAN SOBRE ELEMENTOS === */
.scan-effect {
    position: relative;
    overflow: hidden;
}

.scan-effect::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
    animation: scan 3s ease-in-out infinite;
    opacity: 0.3;
}

/* === INDICADOR DE SCROLL === */
.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.375rem;
    animation: scroll-bounce 2s ease infinite;
}

.scroll-indicator-line {
    width: 1px;
    height: 32px;
    background: linear-gradient(180deg, var(--accent-blue), transparent);
}

/* === PREMIUM IMMERSIVE KEYFRAMES === */

/* Holographic shimmer sweep */
@keyframes holo-shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

/* Energy breathe for ambient elements */
@keyframes energy-breathe {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.02); }
}

/* Glow pulse for borders and accents */
@keyframes glow-pulse {
    0%, 100% { box-shadow: 0 0 10px rgba(37, 99, 235, 0.15); }
    50% { box-shadow: 0 0 25px rgba(37, 99, 235, 0.3), 0 0 50px rgba(37, 99, 235, 0.1); }
}

/* Subtle float for decorative elements */
@keyframes subtle-float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    33% { transform: translateY(-6px) rotate(0.5deg); }
    66% { transform: translateY(3px) rotate(-0.3deg); }
}

/* Reveal from left with blur */
@keyframes revealLeft {
    from { opacity: 0; transform: translateX(-30px); filter: blur(4px); }
    to { opacity: 1; transform: translateX(0); filter: blur(0); }
}

/* Reveal from right with blur */
@keyframes revealRight {
    from { opacity: 0; transform: translateX(30px); filter: blur(4px); }
    to { opacity: 1; transform: translateX(0); filter: blur(0); }
}

/* Scale reveal */
@keyframes scaleReveal {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

/* Data stream flow */
@keyframes dataStream {
    0% { background-position: 0% 0%; }
    100% { background-position: 0% 100%; }
}

/* Rotating gradient border */
@keyframes borderRotate {
    from { --angle: 0deg; }
    to { --angle: 360deg; }
}