/*
 * ========================================
 * Premium Landing Page Styles (VFX AI Inspired)
 * ========================================
 */

/* ---------- Core Aesthetics ---------- */
body {
    background: #000000;
    color: #FFFFFF;
    overflow-x: hidden;
}

/* Base glowing background with grid */
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: 
        radial-gradient(circle at 15% 50%, rgba(138, 43, 226, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 85% 30%, rgba(0, 229, 255, 0.05) 0%, transparent 50%),
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 100% 100%, 100% 100%, 40px 40px, 40px 40px;
    pointer-events: none;
    z-index: -2;
}

/* ---------- Navbar Overrides ---------- */
.navbar {
    padding: var(--space-md) var(--space-xl);
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: #FFF;
}

.nav-links {
    display: flex;
    gap: var(--space-xl);
}

.nav-link {
    color: rgba(255, 255, 255, 0.6);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

.nav-link:hover {
    color: #FFFFFF;
}

/* ---------- Hero Section ---------- */
.hero {
    position: relative;
    padding: var(--space-3xl) 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

/* Giant purple spotlight in hero */
.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(138, 43, 226, 0.25) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(80px);
    z-index: -1;
    pointer-events: none;
    animation: pulseGlow 8s ease-in-out infinite alternate;
}

@keyframes pulseGlow {
    0% { transform: translate(-50%, -50%) scale(0.8); opacity: 0.5; }
    100% { transform: translate(-50%, -50%) scale(1.2); opacity: 1; }
}

.hero-content {
    max-width: 900px;
    z-index: 1;
}

.badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #FFFFFF;
    border-radius: var(--radius-pill);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: var(--space-xl);
    text-transform: uppercase;
    backdrop-filter: blur(10px);
}

.hero h1 {
    font-size: 5.5rem;
    line-height: 1.05;
    margin-bottom: var(--space-lg);
    letter-spacing: -2px;
    font-weight: 800;
    text-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.hero h1 .highlight {
    background: linear-gradient(135deg, #FFF 0%, rgba(255,255,255,0.4) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.35rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: var(--space-2xl);
    max-width: 650px;
    margin-inline: auto;
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.15rem;
}

/* ---------- Features Section ---------- */
.features {
    padding: var(--space-3xl) 0;
    position: relative;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-header h2 {
    font-size: 3.5rem;
    letter-spacing: -1px;
    margin-bottom: var(--space-sm);
}

.section-header p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.2rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-xl);
}

.feature-card {
    background: rgba(20, 20, 20, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--space-2xl);
    border-radius: var(--radius-lg);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
}

/* Hover glow effect for feature cards */
.feature-card::before {
    content: '';
    position: absolute;
    top: -50%; left: -50%; width: 200%; height: 200%;
    background: radial-gradient(circle, rgba(138, 43, 226, 0.1) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-lg);
    display: inline-block;
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
}

.feature-card h3 {
    font-size: 1.6rem;
    margin-bottom: var(--space-sm);
    font-weight: 700;
}

.feature-card p {
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
    font-size: 1.05rem;
}

/* ---------- About Us Section ---------- */
.about {
    padding: var(--space-3xl) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.about-content {
    display: flex;
    align-items: center;
    gap: 6rem;
}

.about-text {
    flex: 1;
}

.about-text h2 {
    font-size: 3.5rem;
    letter-spacing: -1px;
    margin-bottom: var(--space-lg);
}

.about-text p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.15rem;
    margin-bottom: var(--space-md);
    line-height: 1.8;
}

.about-text p b {
    color: #FFFFFF;
}

.about-image {
    flex: 1;
    position: relative;
}

.about-image-inner {
    width: 100%;
    aspect-ratio: 1 / 1;
    background: radial-gradient(circle at center, rgba(138, 43, 226, 0.2), rgba(0,0,0,0));
    border-radius: 40px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    box-shadow: 0 0 100px rgba(138, 43, 226, 0.2);
}

/* ---------- CTA Section ---------- */
.cta {
    padding: var(--space-3xl) 0;
    text-align: center;
}

.cta-card {
    background: rgba(15, 15, 15, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(30px);
    padding: var(--space-3xl);
    border-radius: 40px;
    position: relative;
    overflow: hidden;
}

/* Intense glow inside CTA */
.cta-card::after {
    content: '';
    position: absolute;
    bottom: -50%; left: 50%; transform: translateX(-50%);
    width: 100%; height: 100%;
    background: radial-gradient(circle, rgba(138, 43, 226, 0.4) 0%, transparent 70%);
    filter: blur(60px);
    pointer-events: none;
}

.cta-card h2 {
    font-size: 4rem;
    letter-spacing: -1px;
    margin-bottom: var(--space-md);
    position: relative;
    z-index: 1;
}

.cta-card p {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: var(--space-2xl);
    position: relative;
    z-index: 1;
}

.btn-white {
    background: #FFFFFF;
    color: #000000;
    position: relative;
    z-index: 1;
}

.btn-white:hover {
    background: #EAEAEA;
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.2);
}

/* ---------- Footer ---------- */
footer {
    padding: var(--space-2xl) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    color: rgba(255, 255, 255, 0.4);
    background: #000000;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
    .hero h1 { font-size: 3.5rem; }
    .about-content { flex-direction: column; gap: 3rem; }
    .cta-card h2 { font-size: 2.5rem; }
}

@media (max-width: 600px) {
    .nav-links { display: none; }
    .hero h1 { font-size: 2.8rem; }
    .hero-buttons { flex-direction: column; }
}