/* ============================================
   BRUTAL ANIMATIONS - MÁXIMO ESPECTÁCULO
   ============================================ */

/* ============================================
   ENTRANCE ANIMATIONS
   ============================================ */

/* Hero title entrance */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100px) rotate(10deg);
    }
    to {
        opacity: 1;
        transform: translateX(0) rotate(-2deg);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes rotateIn {
    from {
        opacity: 0;
        transform: rotate(-90deg) scale(0.5);
    }
    to {
        opacity: 1;
        transform: rotate(3deg) scale(1);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Apply animations to hero elements */
.title-line:nth-child(1) {
    animation: slideInLeft 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.2s backwards;
}

.title-line:nth-child(2) {
    animation: slideInLeft 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.4s backwards;
}

.title-line:nth-child(3) {
    animation: slideInRight 1s cubic-bezier(0.34, 1.56, 0.64, 1) 0.6s backwards;
}

.author-block {
    animation: rotateIn 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.8s backwards;
}

.statement-box {
    animation: fadeInUp 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 1s backwards;
}

.shape-1 {
    animation: scaleIn 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) 0.5s backwards;
}

.shape-2 {
    animation: rotateIn 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.7s backwards;
}

.shape-3 {
    animation: scaleIn 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) 0.9s backwards;
}

/* ============================================
   SCROLL-TRIGGERED ANIMATIONS
   ============================================ */

/* Book items entrance */
.book-item {
    opacity: 0;
    transform: translateY(100px) rotate(10deg);
    transition: opacity 0.8s cubic-bezier(0.34, 1.56, 0.64, 1),
                transform 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.book-item.visible {
    opacity: 1;
    transform: translateY(0) rotate(0deg);
}

/* Staggered delays */
.book-item:nth-child(1).visible { transition-delay: 0.1s; }
.book-item:nth-child(2).visible { transition-delay: 0.2s; }
.book-item:nth-child(3).visible { transition-delay: 0.3s; }
.book-item:nth-child(4).visible { transition-delay: 0.4s; }
.book-item:nth-child(5).visible { transition-delay: 0.5s; }
.book-item:nth-child(6).visible { transition-delay: 0.6s; }
.book-item:nth-child(7).visible { transition-delay: 0.7s; }

/* ============================================
   PARALLAX EFFECTS
   ============================================ */

.statement-layer-1 {
    transform: translateY(var(--parallax-1, 0));
    transition: transform 0.1s linear;
}

.statement-layer-2 {
    transform: translateY(var(--parallax-2, 0)) translateX(var(--parallax-x, 0));
    transition: transform 0.1s linear;
}

.statement-layer-3 {
    transform: translateY(var(--parallax-3, 0));
    transition: transform 0.1s linear;
}

/* ============================================
   MICRO-INTERACTIONS
   ============================================ */

/* Button press effect */
.book-link:active {
    transform: scale(0.95) translateX(4px);
}

/* Link underline animation */
.footer-link {
    position: relative;
}

.footer-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--red);
    transition: width 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.footer-link:hover::after {
    width: 100%;
}

/* ============================================
   GLITCH TEXT EFFECT
   ============================================ */

.title-line {
    position: relative;
}

.title-line::before,
.title-line::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
}

.hero-brutal:hover .title-line::before {
    opacity: 0.8;
    color: var(--red);
    animation: glitch1 0.3s infinite;
    -webkit-text-stroke: 0;
}

.hero-brutal:hover .title-line::after {
    opacity: 0.8;
    color: var(--blue);
    animation: glitch2 0.3s infinite;
    -webkit-text-stroke: 0;
}

@keyframes glitch1 {
    0% { transform: translate(0); }
    20% { transform: translate(-2px, 2px); }
    40% { transform: translate(-2px, -2px); }
    60% { transform: translate(2px, 2px); }
    80% { transform: translate(2px, -2px); }
    100% { transform: translate(0); }
}

@keyframes glitch2 {
    0% { transform: translate(0); }
    20% { transform: translate(2px, -2px); }
    40% { transform: translate(2px, 2px); }
    60% { transform: translate(-2px, -2px); }
    80% { transform: translate(-2px, 2px); }
    100% { transform: translate(0); }
}

/* ============================================
   HOVER ANIMATIONS - BRUTALIST STYLE
   ============================================ */

/* Shape animations on hover */
.shape-1 {
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.hero-brutal:hover .shape-1 {
    transform: rotate(135deg) scale(1.2);
}

.shape-2 {
    transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.hero-brutal:hover .shape-2 {
    transform: rotate(15deg) scale(0.8);
}

.shape-3 {
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.hero-brutal:hover .shape-3 {
    transform: translate(-50px, 50px) scale(1.5);
}

/* ============================================
   NUMBER COUNTER ANIMATION
   ============================================ */

@keyframes countUp {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.8);
    }
    to {
        opacity: 0.1;
        transform: translateY(0) scale(1);
    }
}

.hero-number {
    animation: countUp 1s cubic-bezier(0.34, 1.56, 0.64, 1) 0.3s backwards;
}

/* ============================================
   SECTION HEADER ANIMATIONS
   ============================================ */

.section-header {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s, transform 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.section-header.visible {
    opacity: 1;
    transform: translateY(0);
}

.title-number {
    display: inline-block;
    animation: none;
}

.section-header.visible .title-number {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        color: var(--black);
    }
    50% {
        transform: scale(1.2);
        color: var(--red);
    }
}

/* ============================================
   SCROLL PROGRESS BAR ANIMATION
   ============================================ */

.scroll-progress {
    transform-origin: left;
    animation: progressPulse 2s infinite;
}

@keyframes progressPulse {
    0%, 100% {
        box-shadow: 0 0 0 rgba(255, 0, 0, 0);
    }
    50% {
        box-shadow: 0 0 20px rgba(255, 0, 0, 0.8);
    }
}

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

.footer-brutal {
    opacity: 0;
    transform: translateY(100px);
    transition: opacity 1s, transform 1s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.footer-brutal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   CURSOR CUSTOM (OPTIONAL)
   ============================================ */

body {
    cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><circle cx="12" cy="12" r="10" fill="none" stroke="black" stroke-width="2"/><circle cx="12" cy="12" r="3" fill="black"/></svg>') 12 12, crosshair;
}

a, button, .book-item {
    cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><rect x="2" y="2" width="20" height="20" fill="none" stroke="black" stroke-width="2"/><rect x="8" y="8" width="8" height="8" fill="black"/></svg>') 12 12, pointer;
}

/* ============================================
   3D TRANSFORM EFFECTS
   ============================================ */

.book-item {
    transform-style: preserve-3d;
    perspective: 1000px;
}

.book-item:hover {
    transform: scale(1.05) rotateX(var(--rotate-x, 0deg)) rotateY(var(--rotate-y, 0deg));
}

/* Dynamic rotation based on mouse position (handled by JS) */
.book-item.tilt {
    transition: transform 0.1s ease-out;
}

/* ============================================
   IMAGE REVEAL EFFECT
   ============================================ */

.book-image-wrap {
    clip-path: inset(0);
    transition: clip-path 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.book-item:not(.visible) .book-image-wrap {
    clip-path: inset(0 100% 0 0);
}

/* ============================================
   TEXT SCRAMBLE EFFECT (handled by JS)
   ============================================ */

.scramble {
    position: relative;
}

.scramble::before {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
}

.scramble.active::before {
    animation: scrambleText 0.6s steps(10);
}

@keyframes scrambleText {
    0% { opacity: 1; }
    100% { opacity: 0; }
}

/* ============================================
   REDUCED MOTION
   ============================================ */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .book-item {
        opacity: 1;
        transform: none;
    }

    .scroll-progress {
        animation: none;
    }
}

/* ============================================
   LOADING ANIMATION
   ============================================ */

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

body {
    animation: fadeIn 0.5s ease-out;
}

/* ============================================
   BONUS: SHAKE ON ERROR (for interactions)
   ============================================ */

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-4px); }
    20%, 40%, 60%, 80% { transform: translateX(4px); }
}

.shake {
    animation: shake 0.4s cubic-bezier(0.36, 0.07, 0.19, 0.97);
}