/* ========================================
   HYPERION DOCS - ENHANCED ANIMATIONS
   ======================================== */

/* --- 3D Perspective & Transforms --- */
.docs-hero {
    perspective: 1500px;
    transform-style: preserve-3d;
}

.docs-title {
    animation: titleFloat 4s ease-in-out infinite;
}

@keyframes titleFloat {
    0%, 100% { transform: translateY(0) rotateX(0deg) scale(1); }
    50% { transform: translateY(-20px) rotateX(5deg) scale(1.02); }
}

/* --- Pipeline Flow Animations --- */
.pipeline-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.pipeline-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 35px;
    position: relative;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    transform-style: preserve-3d;
    opacity: 0;
    transform: translateY(40px) rotateX(10deg);
}

.pipeline-card.visible {
    opacity: 1;
    transform: translateY(0) rotateX(0deg);
}

.pipeline-card::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.05), transparent);
    transition: left 0.8s ease;
}

.pipeline-card:hover::before {
    left: 100%;
}

.pipeline-card:hover {
    border-color: var(--text-primary);
    transform: translateY(-15px) scale(1.03);
    box-shadow: 0 25px 50px rgba(0,0,0,0.5), 0 0 30px rgba(255,255,255,0.05);
}

.step-num {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 900;
    color: rgba(255,255,255,0.03);
    position: absolute;
    top: 15px; right: 25px;
    transition: all 0.4s ease;
}

.pipeline-card:hover .step-num {
    color: rgba(255,255,255,0.08);
    transform: scale(1.2) rotate(10deg);
}

/* --- Architecture Layers --- */
.arch-layer {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 30px;
    margin-bottom: 25px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    opacity: 0;
    transform: translateX(-50px);
}

.arch-layer.visible {
    opacity: 1;
    transform: translateX(0);
}

.arch-layer::after {
    content: '';
    position: absolute;
    left: 0; top: 0;
    width: 4px; height: 0;
    background: linear-gradient(180deg, var(--text-primary), transparent);
    transition: height 0.5s ease;
}

.arch-layer:hover::after {
    height: 100%;
}

.arch-layer:hover {
    border-color: var(--text-primary);
    transform: translateX(15px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

/* --- Tech Pills --- */
.tech-pill {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 12px;
    margin: 0 8px 12px 0;
    color: var(--text-secondary);
    transition: all 0.3s ease;
    animation: pillFloat 3s ease-in-out infinite;
}

.tech-pill:nth-child(odd) { animation-delay: 0.5s; }
.tech-pill:nth-child(even) { animation-delay: 1s; }

@keyframes pillFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-3px); }
}

.tech-pill:hover {
    background: rgba(255,255,255,0.08);
    border-color: var(--text-primary);
    color: var(--text-primary);
    transform: scale(1.1);
}

/* --- Code Blocks --- */
.code-block {
    background: #050505;
    border-radius: 16px;
    padding: 25px;
    font-family: var(--font-mono);
    font-size: 14px;
    line-height: 1.7;
    border: 1px solid var(--border-color);
    margin: 25px 0;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
    opacity: 0;
    transform: scale(0.95);
}

.code-block.visible {
    opacity: 1;
    transform: scale(1);
}

.code-block:hover {
    border-color: rgba(255,255,255,0.2);
    box-shadow: 0 15px 40px rgba(0,0,0,0.4);
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    font-size: 12px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

.code-lang {
    background: rgba(255,255,255,0.05);
    padding: 4px 10px;
    border-radius: 6px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* --- Step Guide --- */
.step-guide {
    list-style: none;
    padding: 0;
    margin-top: 30px;
}

.step-guide li {
    display: flex;
    gap: 25px;
    margin-bottom: 35px;
    padding: 25px;
    background: var(--bg-card);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.4s ease;
    opacity: 0;
    transform: translateY(30px);
}

.step-guide li.visible {
    opacity: 1;
    transform: translateY(0);
}

.step-guide li:hover {
    border-color: var(--text-primary);
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.step-marker {
    background: var(--text-primary);
    color: #000;
    width: 40px; height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    flex-shrink: 0;
    font-family: var(--font-display);
    transition: all 0.3s ease;
}

.step-guide li:hover .step-marker {
    transform: scale(1.2) rotate(360deg);
}

/* --- Section Headers --- */
.section-header {
    margin-bottom: 50px;
    position: relative;
}

.section-title {
    font-family: var(--font-display);
    font-size: 2.8rem;
    margin-bottom: 20px;
    border-left: 5px solid var(--text-primary);
    padding-left: 25px;
    position: relative;
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.6s ease;
}

.section-title.visible {
    opacity: 1;
    transform: translateX(0);
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
    max-width: 700px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease 0.2s;
}

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

/* --- Scroll Reveal Base --- */
.doc-section {
    margin-bottom: 150px;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* --- Navigation Active State --- */
.nav-item {
    position: relative;
    overflow: hidden;
}

.nav-item::before {
    content: '';
    position: absolute;
    left: 0; top: 0;
    width: 3px; height: 0;
    background: var(--text-primary);
    transition: height 0.3s ease;
}

.nav-item.active::before,
.nav-item:hover::before {
    height: 100%;
}

/* --- Floating Decorations --- */
.floating-shape {
    position: absolute;
    width: 100px; height: 100px;
    border: 1px solid rgba(255,255,255,0.05);
    pointer-events: none;
    animation: floatShape 20s ease-in-out infinite;
}

.floating-shape:nth-child(1) { top: 10%; left: 5%; animation-delay: 0s; }
.floating-shape:nth-child(2) { top: 40%; right: 10%; animation-delay: 5s; }
.floating-shape:nth-child(3) { bottom: 20%; left: 15%; animation-delay: 10s; }

@keyframes floatShape {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-30px) rotate(90deg); }
    50% { transform: translateY(0) rotate(180deg); }
    75% { transform: translateY(30px) rotate(270deg); }
}

/* --- Progress Indicators --- */
.progress-ring {
    width: 120px; height: 120px;
    position: relative;
    margin: 0 auto 20px;
}

.progress-ring svg {
    transform: rotate(-90deg);
}

.progress-ring circle {
    fill: none;
    stroke-width: 8;
    stroke-linecap: round;
}

.progress-ring .bg {
    stroke: rgba(255,255,255,0.05);
}

.progress-ring .progress {
    stroke: var(--text-primary);
    stroke-dasharray: 339.292;
    stroke-dashoffset: 339.292;
    transition: stroke-dashoffset 1.5s ease;
}

.progress-ring.visible .progress {
    stroke-dashoffset: var(--progress-offset);
}

/* --- Glow Effects --- */
.glow-text {
    text-shadow: 0 0 20px rgba(255,255,255,0.1);
}

.glow-border {
    box-shadow: 0 0 20px rgba(255,255,255,0.05), inset 0 0 20px rgba(255,255,255,0.02);
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .pipeline-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .step-guide li {
        flex-direction: column;
        gap: 15px;
    }
    
    .floating-shape {
        display: none;
    }
}