/* ============================================
   EVRINT - Landing Page
   ============================================ */

/* Navbar */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 20px 0;
    transition: all var(--normal) var(--ease);
}

.nav.scrolled {
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: 16px 0;
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-logo {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    object-fit: contain;
}

.nav-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-links a {
    color: var(--gray-400);
    font-size: 0.9375rem;
    font-weight: 500;
    transition: color var(--fast) var(--ease);
}

.nav-links a:hover {
    color: var(--white);
    opacity: 1;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Hero */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 80px 24px 80px;
    overflow: hidden;
}

.neural-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-glow {
    position: absolute;
    top: 10%;
    left: 50%;
    transform: translateX(-50%);
    width: 900px;
    height: 700px;
    background: radial-gradient(ellipse, rgba(59, 130, 246, 0.2) 0%, transparent 50%);
    filter: blur(60px);
    pointer-events: none;
    z-index: 1;
    animation: pulse 8s ease-in-out infinite;
}

/* Additional glowing orbs */
.hero::before {
    content: '';
    position: absolute;
    top: 60%;
    left: 10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.2) 0%, transparent 60%);
    filter: blur(80px);
    pointer-events: none;
    z-index: 1;
    animation: pulse 10s ease-in-out infinite 2s;
}

.hero::after {
    content: '';
    position: absolute;
    top: 30%;
    right: 5%;
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(34, 197, 94, 0.15) 0%, transparent 60%);
    filter: blur(70px);
    pointer-events: none;
    z-index: 1;
    animation: pulse 12s ease-in-out infinite 4s;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 100px;
    backdrop-filter: blur(10px);
    margin-bottom: 40px;
    animation: fadeUp 0.6s var(--ease);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--green);
    border-radius: 50%;
    box-shadow: 0 0 12px var(--green);
    animation: pulse 2s ease-in-out infinite;
}

.hero-badge span:last-child {
    font-size: 0.8125rem;
    color: var(--gray-300);
    letter-spacing: 0.03em;
}

.hero-logo {
    width: 160px;
    height: 160px;
    margin: 0 auto 24px;
    animation: float 6s ease-in-out infinite, fadeUp 0.6s var(--ease) 0.1s backwards;
}

.hero-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 0 60px rgba(59, 130, 246, 0.4));
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 400;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
    animation: fadeUp 0.6s var(--ease) 0.2s backwards;
}

.hero-title .gradient-text {
    font-weight: 400;
}

.hero-acronym {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(0.6rem, 1.2vw, 0.8rem);
    color: var(--gray-300);
    margin-bottom: 20px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    animation: fadeUp 0.6s var(--ease) 0.3s backwards;
}

.hero-acronym span {
    color: var(--accent);
    font-weight: 700;
}

.hero-desc {
    font-size: 1.125rem;
    color: var(--gray-300);
    max-width: 540px;
    margin: 0 auto 32px;
    line-height: 1.7;
    animation: fadeUp 0.6s var(--ease) 0.4s backwards;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    animation: fadeUp 0.6s var(--ease) 0.5s backwards;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1rem;
}

/* Features */
.features {
    padding: 140px 0;
    position: relative;
    background: linear-gradient(180deg, transparent 0%, rgba(10, 10, 20, 0.8) 50%, transparent 100%);
}

.features::before {
    content: '';
    position: absolute;
    top: 20%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 60%);
    filter: blur(100px);
    pointer-events: none;
}

.features::after {
    content: '';
    position: absolute;
    bottom: 10%;
    right: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 60%);
    filter: blur(80px);
    pointer-events: none;
}

.section-head {
    text-align: center;
    margin-bottom: 80px;
}

.section-head h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.section-head p {
    color: var(--gray-400);
    font-size: 1.125rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    transition: transform var(--normal) var(--ease);
}

.feature-card:hover {
    transform: translateY(-8px);
}

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

.feature-glow {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--normal) var(--ease);
    pointer-events: none;
}

.feature-inner {
    position: relative;
    padding: 40px 32px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    height: 100%;
    backdrop-filter: blur(20px);
    transition: all var(--normal) var(--ease);
}

.feature-card:hover .feature-inner {
    border-color: rgba(59, 130, 246, 0.4);
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 40px rgba(59, 130, 246, 0.1);
}

.feature-icon-wrap {
    width: 60px;
    height: 60px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.25) 0%, rgba(59, 130, 246, 0.25) 50%, rgba(34, 197, 94, 0.2) 100%);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.feature-icon-wrap svg {
    width: 28px;
    height: 28px;
    color: var(--accent);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--white);
}

.feature-card p {
    color: var(--gray-400);
    font-size: 0.9375rem;
    line-height: 1.7;
}

/* CTA */
.cta-section {
    padding: 100px 0 140px;
    position: relative;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(139, 92, 246, 0.15) 0%, transparent 60%);
    filter: blur(80px);
    pointer-events: none;
}

.cta-card {
    position: relative;
    border-radius: 32px;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15) 0%, rgba(59, 130, 246, 0.15) 50%, rgba(34, 197, 94, 0.1) 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 80px rgba(139, 92, 246, 0.1), 0 0 40px rgba(59, 130, 246, 0.1);
}

.cta-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0.6;
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 100px 40px;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.cta-content p {
    color: var(--gray-300);
    font-size: 1.125rem;
    margin-bottom: 40px;
}

/* Footer */
.footer {
    padding: 40px 0;
    border-top: 1px solid var(--glass-border);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--gray-500);
    font-size: 0.875rem;
    transition: color var(--fast) var(--ease);
}

.footer-links a:hover {
    color: var(--white);
    opacity: 1;
}

.footer-copy {
    color: var(--gray-600);
    font-size: 0.8125rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem !important;
    }

    .nav-links {
        display: none;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .footer-inner {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .section-head h2 {
        font-size: 2rem;
    }

    .cta-content h2 {
        font-size: 2rem;
    }

    .hero-acronym {
        font-size: 0.875rem;
    }
}