/* ============================================
   DataSurface Hero Animation
   Animated Data Flow Visualization
   ============================================ */

/* Hero Layout - Split Design */
.hero-split {
    background: linear-gradient(135deg, var(--slate-900) 0%, #0c1829 50%, var(--slate-900) 100%);
    padding: 0;
    min-height: 85vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

/* Subtle grid overlay */
.hero-split::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(8, 145, 178, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(8, 145, 178, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}

/* Radial glow behind visualization */
.hero-split::after {
    content: '';
    position: absolute;
    top: 50%;
    right: 15%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(8, 145, 178, 0.15) 0%, transparent 70%);
    transform: translate(0, -50%);
    pointer-events: none;
}

.hero-content-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 60px 40px;
    position: relative;
    z-index: 1;
}

/* Left side - Text content */
.hero-text {
    color: white;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, #ffffff 0%, #22d3ee 50%, #0891b2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.8s ease-out;
}

.hero-text .tagline {
    font-size: 1.35rem;
    color: var(--slate-300);
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 520px;
    animation: fadeInUp 0.8s ease-out 0.1s backwards;
}

.hero-text .hero-buttons {
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
    justify-content: flex-start;
}

/* Right side - Visualization */
.hero-visualization {
    position: relative;
    height: 500px;
    animation: fadeIn 1s ease-out 0.3s backwards;
}

/* ============================================
   Data Flow Visualization
   ============================================ */

.data-flow-container {
    position: relative;
    width: 100%;
    height: 100%;
}

/* Node styling */
.flow-node {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    z-index: 10;
}

.node-circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    position: relative;
    box-shadow: 0 0 30px rgba(8, 145, 178, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.node-circle:hover {
    transform: scale(1.1);
    box-shadow: 0 0 50px rgba(8, 145, 178, 0.5);
}

/* Producer nodes - Left side */
.node-producer .node-circle {
    background: linear-gradient(135deg, #0e7490 0%, #0891b2 100%);
    border: 2px solid #22d3ee;
}

/* Consumer nodes - Right side */
.node-consumer .node-circle {
    background: linear-gradient(135deg, #0d9488 0%, #14b8a6 100%);
    border: 2px solid #5eead4;
}

/* Central DataSurface hub */
.node-hub {
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.node-hub .node-circle {
    width: 140px;
    height: 140px;
    background: linear-gradient(135deg, var(--slate-800) 0%, var(--slate-900) 100%);
    border: 3px solid var(--primary);
    font-size: 1rem;
    font-weight: 700;
    color: white;
    flex-direction: column;
    gap: 4px;
    box-shadow: 
        0 0 60px rgba(8, 145, 178, 0.4),
        inset 0 0 30px rgba(8, 145, 178, 0.1);
}

.node-hub .node-circle::before {
    content: '';
    position: absolute;
    inset: -8px;
    border-radius: 50%;
    border: 2px dashed rgba(34, 211, 238, 0.3);
    animation: spin 20s linear infinite;
}

.node-hub .node-circle .hub-icon {
    font-size: 2rem;
    margin-bottom: 4px;
}

.node-hub .node-circle .hub-text {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary-light);
}

.node-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--slate-300);
    text-align: center;
    white-space: nowrap;
}

/* Producer positions */
.producer-1 { left: 5%; top: 15%; }
.producer-2 { left: 0%; top: 45%; }
.producer-3 { left: 5%; top: 75%; }

/* Consumer positions */
.consumer-1 { right: 5%; top: 10%; }
.consumer-2 { right: 0%; top: 40%; }
.consumer-3 { right: 5%; top: 70%; }

/* ============================================
   Animated Connection Lines (SVG)
   ============================================ */

.flow-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.flow-line {
    fill: none;
    stroke: url(#flowGradient);
    stroke-width: 2;
    stroke-linecap: round;
    opacity: 0.6;
}

/* ============================================
   Flowing Particles
   ============================================ */

.particle {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--primary-light);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--primary-light), 0 0 20px var(--primary);
    opacity: 0;
    z-index: 5;
}

/* Particle animations - Producer to Hub */
@keyframes flowToHub1 {
    0% {
        left: 12%;
        top: 18%;
        opacity: 0;
        transform: scale(0.5);
    }
    10% { opacity: 1; transform: scale(1); }
    90% { opacity: 1; transform: scale(1); }
    100% {
        left: 45%;
        top: 48%;
        opacity: 0;
        transform: scale(0.5);
    }
}

@keyframes flowToHub2 {
    0% {
        left: 10%;
        top: 48%;
        opacity: 0;
        transform: scale(0.5);
    }
    10% { opacity: 1; transform: scale(1); }
    90% { opacity: 1; transform: scale(1); }
    100% {
        left: 45%;
        top: 50%;
        opacity: 0;
        transform: scale(0.5);
    }
}

@keyframes flowToHub3 {
    0% {
        left: 12%;
        top: 78%;
        opacity: 0;
        transform: scale(0.5);
    }
    10% { opacity: 1; transform: scale(1); }
    90% { opacity: 1; transform: scale(1); }
    100% {
        left: 45%;
        top: 52%;
        opacity: 0;
        transform: scale(0.5);
    }
}

/* Particle animations - Hub to Consumer */
@keyframes flowFromHub1 {
    0% {
        left: 55%;
        top: 48%;
        opacity: 0;
        transform: scale(0.5);
    }
    10% { opacity: 1; transform: scale(1); }
    90% { opacity: 1; transform: scale(1); }
    100% {
        left: 85%;
        top: 14%;
        opacity: 0;
        transform: scale(0.5);
    }
}

@keyframes flowFromHub2 {
    0% {
        left: 55%;
        top: 50%;
        opacity: 0;
        transform: scale(0.5);
    }
    10% { opacity: 1; transform: scale(1); }
    90% { opacity: 1; transform: scale(1); }
    100% {
        left: 88%;
        top: 44%;
        opacity: 0;
        transform: scale(0.5);
    }
}

@keyframes flowFromHub3 {
    0% {
        left: 55%;
        top: 52%;
        opacity: 0;
        transform: scale(0.5);
    }
    10% { opacity: 1; transform: scale(1); }
    90% { opacity: 1; transform: scale(1); }
    100% {
        left: 85%;
        top: 74%;
        opacity: 0;
        transform: scale(0.5);
    }
}

/* Apply animations to particles */
.particle-in-1 { animation: flowToHub1 3s ease-in-out infinite; }
.particle-in-2 { animation: flowToHub2 3s ease-in-out infinite 0.5s; }
.particle-in-3 { animation: flowToHub3 3s ease-in-out infinite 1s; }
.particle-in-4 { animation: flowToHub1 3s ease-in-out infinite 1.5s; }
.particle-in-5 { animation: flowToHub2 3s ease-in-out infinite 2s; }
.particle-in-6 { animation: flowToHub3 3s ease-in-out infinite 2.5s; }

.particle-out-1 { animation: flowFromHub1 3s ease-in-out infinite 0.3s; background: #5eead4; box-shadow: 0 0 10px #5eead4, 0 0 20px #14b8a6; }
.particle-out-2 { animation: flowFromHub2 3s ease-in-out infinite 0.8s; background: #5eead4; box-shadow: 0 0 10px #5eead4, 0 0 20px #14b8a6; }
.particle-out-3 { animation: flowFromHub3 3s ease-in-out infinite 1.3s; background: #5eead4; box-shadow: 0 0 10px #5eead4, 0 0 20px #14b8a6; }
.particle-out-4 { animation: flowFromHub1 3s ease-in-out infinite 1.8s; background: #5eead4; box-shadow: 0 0 10px #5eead4, 0 0 20px #14b8a6; }
.particle-out-5 { animation: flowFromHub2 3s ease-in-out infinite 2.3s; background: #5eead4; box-shadow: 0 0 10px #5eead4, 0 0 20px #14b8a6; }
.particle-out-6 { animation: flowFromHub3 3s ease-in-out infinite 2.8s; background: #5eead4; box-shadow: 0 0 10px #5eead4, 0 0 20px #14b8a6; }

/* Hub pulse animation */
@keyframes hubPulse {
    0%, 100% {
        box-shadow: 
            0 0 60px rgba(8, 145, 178, 0.4),
            inset 0 0 30px rgba(8, 145, 178, 0.1);
    }
    50% {
        box-shadow: 
            0 0 80px rgba(8, 145, 178, 0.6),
            inset 0 0 40px rgba(8, 145, 178, 0.2);
    }
}

.node-hub .node-circle {
    animation: hubPulse 2s ease-in-out infinite;
}

/* Spin animation for dashed border */
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Node float animation */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.node-producer, .node-consumer {
    animation: float 4s ease-in-out infinite;
}

.producer-1, .consumer-1 { animation-delay: 0s; }
.producer-2, .consumer-2 { animation-delay: 0.5s; }
.producer-3, .consumer-3 { animation-delay: 1s; }

/* ============================================
   Labels below visualization
   ============================================ */

.flow-labels {
    position: absolute;
    bottom: -10px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    padding: 0 10%;
}

.flow-label {
    text-align: center;
    color: var(--slate-400);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 600;
}

.flow-label-center {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: -40px;
    color: var(--primary-light);
}

/* ============================================
   Stats Bar below hero
   ============================================ */

.hero-stats {
    background: rgba(255, 255, 255, 0.03);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 24px 0;
}

.hero-stats .container {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

.hero-stat {
    text-align: center;
    color: white;
    transition: transform 0.2s ease;
}

.hero-stat:hover {
    transform: translateY(-3px);
}

.hero-stat:hover .hero-stat-value {
    text-shadow: 0 0 20px var(--primary-light);
}

.hero-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-light);
    margin-bottom: 4px;
}

.hero-stat-label {
    font-size: 0.8rem;
    color: var(--slate-400);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 1100px) {
    .hero-content-wrapper {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .hero-text .tagline {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-text .hero-buttons {
        justify-content: center;
    }
    
    .hero-visualization {
        height: 400px;
    }
    
    .hero-text h1 {
        font-size: 2.8rem;
    }
}

@media (max-width: 768px) {
    .hero-split {
        min-height: auto;
        padding: 40px 0;
    }
    
    .hero-content-wrapper {
        padding: 20px;
    }
    
    .hero-text h1 {
        font-size: 2.2rem;
    }
    
    .hero-text .tagline {
        font-size: 1.1rem;
    }
    
    .hero-visualization {
        height: 300px;
    }
    
    .node-circle {
        width: 60px;
        height: 60px;
        font-size: 1.4rem;
    }
    
    .node-hub .node-circle {
        width: 100px;
        height: 100px;
    }
    
    .hero-stats .container {
        gap: 30px;
    }
}