@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;800&display=swap');

:root {
    --bg-dark: #020617; /* Even deeper navy */
    --bg-card: rgba(7, 25, 58, 0.3);
    --accent-ai: #00f7ff; /* Electric Cyan */
    --accent-magenta: #ff00ff; /* Shocking Magenta */
    --accent-glow: rgba(0, 247, 255, 0.4);
    --magenta-glow: rgba(255, 0, 255, 0.4);
    --text-pure: #ffffff;
    --text-soft: #a0aec0;
    --gradient-neural: linear-gradient(135deg, var(--accent-ai), var(--accent-magenta));
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-pure);
    overflow-x: hidden;
    line-height: 1.6;
}

.container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* AI Neural Background (V5 - Ultra) */
.ai-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: -1;
    background: radial-gradient(circle at center, #07193a 0%, var(--bg-dark) 100%);
    overflow: hidden;
}

.ai-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.7; /* Increased for the new Pinterest visual */
    filter: brightness(0.5) contrast(1.1);
}

/* Header Centered Minimalist */
header {
    position: relative;
    width: 100%;
    z-index: 1000;
    padding: 4rem 0; /* More space for the centered logo */
    background: transparent;
}

nav {
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo svg {
    height: 180px; /* Dominant centerpiece size */
    width: auto;
    animation: neural-pulse 4s ease-in-out infinite;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    filter: drop-shadow(0 0 20px rgba(0, 110, 255, 0.4));
}

@keyframes neural-pulse {
    0% { 
        transform: scale(1); 
        filter: drop-shadow(0 0 15px rgba(0, 70, 255, 0.3)) brightness(1);
    }
    50% { 
        transform: scale(1.1); 
        filter: drop-shadow(0 0 50px rgba(0, 247, 255, 0.8)) brightness(1.2);
    }
    100% { 
        transform: scale(1); 
        filter: drop-shadow(0 0 15px rgba(0, 70, 255, 0.3)) brightness(1);
    }
}

/* AI Hero Section */
.hero-ai {
    padding: 0px 0 20px; /* Minimal padding for the massive logo */
    text-align: center;
}

h1, h2 {
    font-weight: 800;
    letter-spacing: -2px;
}

h1 span.highlight-ai {
    background: var(--gradient-neural);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 20px rgba(0, 247, 255, 0.3));
}

.hero-ai {
    padding: 60px 0 20px;
    text-align: center;
}

.hero-ai h1 { font-size: 4.5rem; }

/* Hub & AI Cards (V5 - Dual Gradient Border) */
.hub-grid, .ai-grid {
    display: grid;
    gap: 2rem;
    margin-top: 4rem;
}

.hub-card, .ai-info-card {
    background: var(--bg-card);
    backdrop-filter: blur(15px);
    padding: 3rem;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    overflow: hidden;
    text-decoration: none;
    transition: all 0.4s ease;
}

/* Dual Gradient Neon Wrap */
.hub-card::before, .ai-info-card::before {
    content: '';
    position: absolute;
    top: 20px;
    bottom: 20px;
    left: 0;
    width: 4px;
    background: var(--gradient-neural);
    box-shadow: 0 0 20px var(--accent-magenta);
    border-radius: 20px;
}

.hub-card:hover, .ai-info-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--accent-ai);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
}

.hub-card h3, .ai-info-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--accent-ai);
}

.hub-card p, .ai-info-card p {
    color: var(--text-pure);
    opacity: 0.9;
    font-size: 1.1rem;
}

/* WhatsApp Floating V5 */
.wa-float-ai {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 65px;
    height: 65px;
    background: var(--gradient-neural);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    box-shadow: 0 15px 40px var(--magenta-glow);
    z-index: 1000;
    animation: wa-bounce 4s ease-in-out infinite;
}

@keyframes wa-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* Mobile V5 */
@media (max-width: 768px) {
    .container { padding: 0 1.5rem; }
    .hero-ai h1 { font-size: 2.8rem; }
    header { padding: 3rem 0; }
    .logo img { height: 80px; }
}

/* Reveal Helpers */
.fade-in-ai {
    opacity: 0;
    transform: translateY(40px);
    transition: all 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in-ai.visible {
    opacity: 1;
    transform: translateY(0);
}