/* ============================================
   Animations Stylesheet
   ============================================ */

/* ============================================
   Keyframe Definitions
   ============================================ */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.5);
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px var(--color-accent-glow);
    }
    50% {
        box-shadow: 0 0 40px var(--color-accent-glow), 0 0 60px rgba(227, 25, 55, 0.2);
    }
}

@keyframes shimmer {
    to {
        background-position: 200% center;
    }
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes rotateReverse {
    from { transform: rotate(360deg); }
    to { transform: rotate(0deg); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

@keyframes floatY {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    33% { transform: translateY(-8px) rotate(2deg); }
    66% { transform: translateY(-4px) rotate(-2deg); }
}

@keyframes scrollWheel {
    0% { opacity: 1; transform: translate(-50%, 0); }
    100% { opacity: 0; transform: translate(-50%, 16px); }
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

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

@keyframes borderGlow {
    0%, 100% {
        border-color: var(--color-border);
    }
    50% {
        border-color: var(--color-accent);
    }
}

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

@keyframes gridMove {
    0% { background-position: 0 0; }
    100% { background-position: 50px 50px; }
}

@keyframes ripple {
    0% {
        transform: scale(0.8);
        opacity: 1;
    }
    100% {
        transform: scale(2.5);
        opacity: 0;
    }
}

@keyframes flip {
    0% { transform: perspective(1000px) rotateY(0); }
    100% { transform: perspective(1000px) rotateY(360deg); }
}

@keyframes draw {
    from { stroke-dashoffset: 1000; }
    to { stroke-dashoffset: 0; }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-4px); }
    75% { transform: translateX(4px); }
}

@keyframes typewriter {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink-caret {
    from, to { border-color: transparent; }
    50% { border-color: var(--color-accent); }
}

@keyframes particle {
    0% {
        transform: translate(0, 0) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    100% {
        transform: translate(var(--tx, 100px), var(--ty, -100px)) scale(1);
        opacity: 0;
    }
}

/* ============================================
   Reveal Animations (Scroll-triggered)
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

.reveal-up { transform: translateY(40px); }
.reveal-down { transform: translateY(-40px); }
.reveal-left { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }
.reveal-scale { transform: scale(0.92); }

.reveal-up.revealed,
.reveal-down.revealed,
.reveal-left.revealed,
.reveal-right.revealed,
.reveal-scale.revealed {
    transform: translate(0, 0) scale(1);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }
.reveal-delay-7 { transition-delay: 0.7s; }
.reveal-delay-8 { transition-delay: 0.8s; }

/* Stagger animations */
.stagger > * {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.stagger.revealed > * {
    opacity: 1;
    transform: translateY(0);
}

.stagger.revealed > *:nth-child(1) { transition-delay: 0.05s; }
.stagger.revealed > *:nth-child(2) { transition-delay: 0.1s; }
.stagger.revealed > *:nth-child(3) { transition-delay: 0.15s; }
.stagger.revealed > *:nth-child(4) { transition-delay: 0.2s; }
.stagger.revealed > *:nth-child(5) { transition-delay: 0.25s; }
.stagger.revealed > *:nth-child(6) { transition-delay: 0.3s; }
.stagger.revealed > *:nth-child(7) { transition-delay: 0.35s; }
.stagger.revealed > *:nth-child(8) { transition-delay: 0.4s; }
.stagger.revealed > *:nth-child(9) { transition-delay: 0.45s; }
.stagger.revealed > *:nth-child(10) { transition-delay: 0.5s; }

/* ============================================
   Hover Effects
   ============================================ */
.hover-tilt {
    transition: transform var(--transition-base);
}

.hover-tilt:hover {
    transform: perspective(1000px) rotateX(2deg) rotateY(-2deg) scale(1.02);
}

.hover-glow {
    transition: all var(--transition-base);
}

.hover-glow:hover {
    box-shadow: 0 0 30px var(--color-accent-glow);
    transform: translateY(-2px);
}

.hover-lift {
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

/* ============================================
   Continuous Animations
   ============================================ */
.animate-float {
    animation: float 4s ease-in-out infinite;
}

.animate-rotate {
    animation: rotate 12s linear infinite;
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

.animate-glow {
    animation: glow 2s ease-in-out infinite;
}

.animate-shimmer {
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    background-size: 200% 100%;
    animation: shimmer 3s linear infinite;
}

/* ============================================
   Loading Animations
   ============================================ */
.loader {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: rotate 1s linear infinite;
}

.loader-dots {
    display: inline-flex;
    gap: 6px;
}

.loader-dots span {
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: pulse 1.4s ease-in-out infinite;
}

.loader-dots span:nth-child(2) { animation-delay: 0.2s; }
.loader-dots span:nth-child(3) { animation-delay: 0.4s; }

/* ============================================
   Background Animations
   ============================================ */
.bg-grid {
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
}

.bg-grid-animated {
    animation: gridMove 20s linear infinite;
}

.bg-scanlines {
    position: relative;
}

.bg-scanlines::after {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent 0,
        transparent 2px,
        rgba(255, 255, 255, 0.02) 2px,
        rgba(255, 255, 255, 0.02) 3px
    );
    pointer-events: none;
}

/* ============================================
   Text Effects
   ============================================ */
.text-glow {
    text-shadow: 0 0 10px var(--color-accent-glow), 0 0 20px var(--color-accent-glow);
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-accent) 0%, #ff6b7a 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.text-shimmer {
    background: linear-gradient(90deg, #fff 0%, var(--color-accent) 50%, #fff 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    animation: shimmer 3s linear infinite;
}

/* ============================================
   Image Hover Effects
   ============================================ */
.img-zoom {
    overflow: hidden;
}

.img-zoom img,
.img-zoom svg {
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.img-zoom:hover img,
.img-zoom:hover svg {
    transform: scale(1.05);
}

.img-overlay {
    position: relative;
    overflow: hidden;
}

.img-overlay::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.7) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.img-overlay:hover::after {
    opacity: 1;
}

/* ============================================
   Button Effects
   ============================================ */
.btn-magnetic {
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ============================================
   Decorative Elements
   ============================================ */
.glow-line {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
    margin: var(--space-8) 0;
    position: relative;
    overflow: hidden;
}

.glow-line::before {
    content: '';
    position: absolute;
    top: 0;
    left: -50%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
    animation: shimmer 3s linear infinite;
}

.corner-accent {
    position: relative;
}

.corner-accent::before,
.corner-accent::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-accent);
    transition: all var(--transition-base);
}

.corner-accent::before {
    top: -2px;
    left: -2px;
    border-right: none;
    border-bottom: none;
}

.corner-accent::after {
    bottom: -2px;
    right: -2px;
    border-left: none;
    border-top: none;
}

.corner-accent:hover::before,
.corner-accent:hover::after {
    width: 30px;
    height: 30px;
}

/* ============================================
   Progress & Loading Bars
   ============================================ */
.progress-bar {
    width: 100%;
    height: 4px;
    background: var(--color-bg-tertiary);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent), #ff6b7a);
    width: 0;
    transition: width 1.5s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

.progress-bar-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2s linear infinite;
}

/* ============================================
   Marquee / Ticker
   ============================================ */
.marquee {
    display: flex;
    overflow: hidden;
    width: 100%;
    position: relative;
}

.marquee-track {
    display: flex;
    flex-shrink: 0;
    animation: marquee 30s linear infinite;
}

.marquee-content {
    display: flex;
    align-items: center;
    gap: var(--space-12);
    padding-right: var(--space-12);
    flex-shrink: 0;
}

/* ============================================
   Section Dividers
   ============================================ */
.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border-light), transparent);
    margin: var(--space-16) 0;
}

/* ============================================
   Particle Background
   ============================================ */
.particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--color-accent);
    border-radius: 50%;
    opacity: 0;
    animation: particle 4s linear infinite;
}

/* ============================================
   Counter Animations
   ============================================ */
.counter {
    font-variant-numeric: tabular-nums;
    transition: all 0.3s ease;
}

.counter.counted {
    animation: countUp 0.6s ease-out;
}

/* ============================================
   Hover Lines (underline animation)
   ============================================ */
.link-underline {
    position: relative;
    display: inline-block;
}

.link-underline::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: currentColor;
    transition: width 0.3s ease;
}

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

/* ============================================
   Focus States
   ============================================ */
*:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 4px;
    transition: outline-offset 0.2s ease;
}

/* ============================================
   Specific Section Animations
   ============================================ */
.feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: var(--space-16);
    margin-bottom: var(--space-24);
}

@media (max-width: 900px) {
    .feature-row {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
}

.feature-row:nth-child(even) .feature-content {
    order: 2;
}

@media (max-width: 900px) {
    .feature-row:nth-child(even) .feature-content {
        order: 1;
    }
}

.feature-visual {
    position: relative;
    aspect-ratio: 4 / 3;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-visual svg {
    width: 70%;
    height: 70%;
}

/* Code block / terminal style */
.terminal {
    background: #000000;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--space-6);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.6;
    overflow-x: auto;
    position: relative;
}

.terminal::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 32px;
    background: linear-gradient(180deg, #1a1a1a, transparent);
    border-bottom: 1px solid var(--color-border);
}

.terminal-dots {
    display: flex;
    gap: 6px;
    margin-bottom: var(--space-4);
    position: relative;
    z-index: 1;
}

.terminal-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-dots span:nth-child(1) { background: #ff5f56; }
.terminal-dots span:nth-child(2) { background: #ffbd2e; }
.terminal-dots span:nth-child(3) { background: #27c93f; }

.terminal-content {
    color: #cccccc;
    margin-top: var(--space-4);
}

.terminal-prompt {
    color: var(--color-accent);
}

.terminal-comment {
    color: #666666;
}

.terminal-success {
    color: var(--color-success);
}

/* ============================================
   Tag Pills
   ============================================ */
.tag-pill {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-3);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
}

.tag-pill:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.tag-pill.accent {
    background: rgba(227, 25, 55, 0.08);
    border-color: var(--color-border-accent);
    color: var(--color-accent);
}

/* ============================================
   Stats Counter
   ============================================ */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-8);
    padding: var(--space-12) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.stat-block {
    text-align: center;
    position: relative;
}

.stat-block:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -24px;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 50%;
    background: var(--color-border);
}

@media (max-width: 768px) {
    .stat-block:not(:last-child)::after {
        display: none;
    }
}

.stat-value {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, #ffffff 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: var(--space-2);
}

.stat-desc {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-text-tertiary);
    font-weight: 500;
}

/* ============================================
   Animated Background
   ============================================ */
.animated-bg {
    position: relative;
    overflow: hidden;
}

.animated-bg::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    top: -50%;
    left: -50%;
    background:
        radial-gradient(circle at 30% 30%, rgba(227, 25, 55, 0.15) 0%, transparent 30%),
        radial-gradient(circle at 70% 70%, rgba(227, 25, 55, 0.1) 0%, transparent 30%);
    animation: rotate 60s linear infinite;
    z-index: -1;
}