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

/* --- Scroll Reveal --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-left.revealed {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-right.revealed {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-scale.revealed {
    opacity: 1;
    transform: scale(1);
}

/* Stagger delays for grid children */
.stagger > *:nth-child(1) { transition-delay: 0s; }
.stagger > *:nth-child(2) { transition-delay: 0.1s; }
.stagger > *:nth-child(3) { transition-delay: 0.2s; }
.stagger > *:nth-child(4) { transition-delay: 0.3s; }
.stagger > *:nth-child(5) { transition-delay: 0.4s; }
.stagger > *:nth-child(6) { transition-delay: 0.5s; }
.stagger > *:nth-child(7) { transition-delay: 0.6s; }
.stagger > *:nth-child(8) { transition-delay: 0.7s; }

/* --- Floating animation --- */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.float {
    animation: float 3s ease-in-out infinite;
}

/* --- Shine / shimmer --- */
@keyframes shine {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

.shine-text {
    background: linear-gradient(90deg,
        var(--text-primary) 0%,
        var(--blue) 50%,
        var(--text-primary) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shine 4s linear infinite;
}

/* --- Pulse ring --- */
@keyframes pulse-ring {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(1.5); opacity: 0; }
}

.pulse-ring {
    position: relative;
}

.pulse-ring::after {
    content: '';
    position: absolute;
    inset: -4px;
    border: 2px solid var(--blue);
    border-radius: inherit;
    animation: pulse-ring 2s ease-out infinite;
}

/* --- Gradient border animation --- */
@keyframes gradient-rotate {
    0% { --angle: 0deg; }
    100% { --angle: 360deg; }
}

.gradient-border {
    position: relative;
}

.gradient-border::before {
    content: '';
    position: absolute;
    inset: -1px;
    background: conic-gradient(from var(--angle, 0deg), var(--blue), var(--gold), var(--blue));
    border-radius: inherit;
    z-index: -1;
    animation: gradient-rotate 4s linear infinite;
}

/* --- Typewriter effect --- */
@keyframes blink-caret {
    0%, 100% { border-color: transparent; }
    50% { border-color: var(--blue); }
}

.typewriter {
    border-right: 2px solid var(--blue);
    animation: blink-caret 0.8s step-end infinite;
    display: inline-block;
}

/* --- Counter animation helper --- */
.counter {
    font-variant-numeric: tabular-nums;
}

/* --- Parallax-like scroll effect (applied via JS) --- */
.parallax-slow {
    will-change: transform;
}

/* --- Image reveal --- */
.img-reveal {
    position: relative;
    overflow: hidden;
}

.img-reveal::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--bg-primary);
    transform-origin: right;
    transition: transform 0.8s cubic-bezier(0.77, 0, 0.175, 1);
}

.img-reveal.revealed::after {
    transform: scaleX(0);
}

/* --- Hover card tilt (applied via JS) --- */
.tilt-card {
    transform-style: preserve-3d;
    perspective: 1000px;
}

/* --- Line draw animation --- */
@keyframes draw-line {
    from { width: 0; }
    to { width: 100%; }
}

.line-draw {
    position: relative;
}

.line-draw::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    height: 2px;
    width: 0;
    background: var(--gradient-blue);
    transition: width 0.5s ease;
}

.line-draw:hover::after,
.line-draw.revealed::after {
    width: 100%;
}

/* --- Hero-specific animations --- */
.hero-content .hero-badge { animation: fadeInUp 0.6s ease 0.2s both; }
.hero-content h1 { animation: fadeInUp 0.6s ease 0.4s both; }
.hero-content p { animation: fadeInUp 0.6s ease 0.6s both; }
.hero-content .hero-btns { animation: fadeInUp 0.6s ease 0.8s both; }

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

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

/* --- Progress bar fill --- */
@keyframes fillBar {
    from { width: 0; }
}

.progress-bar {
    height: 4px;
    background: var(--bg-card);
    border-radius: 2px;
    overflow: hidden;
}

.progress-bar .fill {
    height: 100%;
    background: var(--gradient-blue);
    border-radius: 2px;
    animation: fillBar 1.5s ease forwards;
}

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

    .reveal,
    .reveal-left,
    .reveal-right,
    .reveal-scale {
        opacity: 1;
        transform: none;
    }
}