/* VOLTRONIQ CORE STYLESHEET 
    Aesthetic: Dark Mode Tech / Velvet Modern
*/

:root {
    --bg: #0a0a0a;
    --card-bg: #161616;
    --accent: #8b5cf6; /* Velvet Purple */
    --text-main: #ffffff;
    --text-dim: #a1a1aa;
    --nav-height: 80px;
}

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

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

/* --- NAVIGATION --- */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 10%;
    height: var(--nav-height);
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.logo {
    font-weight: 700;
    letter-spacing: 4px;
    color: var(--accent);
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 2.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dim);
    transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--accent);
}

/* --- HERO & LAYOUT --- */
.hero, .app-hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 100px 10% 40px 10%;
}

.hero-content {
    max-width: 900px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.app-hero .mission-text {
    font-size: 1.4rem; /* Slightly larger than the standard 1.15rem */
    line-height: 1.6;
    color: #ffffff;    /* Brighter white to command attention */
}

/* --- TYPOGRAPHY --- */
h1 {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    margin-bottom: 1.5rem;
    font-weight: 700;

    line-height: 1.2;
    padding-bottom: 10px;
    overflow: visible;

    background: linear-gradient(to right, #ffffff, var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.mission-text {
    max-width: 650px;
    font-size: 1.15rem;
    color: var(--text-dim);
    margin-bottom: 3.5rem;
    
    margin-left: auto;
    margin-right: auto;
    
    text-align: center; 
    
    letter-spacing: 0.5px;
    font-weight: 300;
    line-height: 1.8;
}

/* --- BUTTONS --- */
.cta-button {
    display: inline-block;
    padding: 1rem 2.8rem;
    background: var(--accent);
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 10px 20px rgba(139, 92, 246, 0.2);
    transition: all 0.4s ease;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(139, 92, 246, 0.4);
    filter: brightness(1.1);
}

/* --- APP PAGE FEATURES --- */
.container {
    max-width: 1200px;
    width: 100%;
}

.badge {
    display: inline-block;
    padding: 0.4rem 1.2rem;
    background: rgba(139, 92, 246, 0.1);
    color: var(--accent);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 2rem;
    text-transform: uppercase;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 5rem;
    width: 100%;
}

.feature-card {
    background: var(--card-bg);
    padding: 3rem 2rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    text-align: left;
    transition: all 0.4s ease;
}

.feature-card:hover {
    border-color: var(--accent);
    transform: translateY(-8px);
    background: rgba(22, 22, 22, 0.8);
}

.feature-card h3 {
    margin-bottom: 1rem;
    font-size: 1.4rem;
    color: #fff;
}

.feature-card p {
    color: var(--text-dim);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* --- FOOTER STYLES --- */
.main-footer {
    padding: 6rem 10% 3rem 10%;
    background: #050505; /* Slightly darker than main bg for depth */
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.social-links {
    display: flex;
    gap: 2rem;
}

.social-links a {
    text-decoration: none;
    color: var(--text-main);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    transition: color 0.3s ease;
    opacity: 0.7;
}

.social-links a:hover {
    color: var(--accent);
    opacity: 1;
}

.email-link {
    text-decoration: none;
    color: var(--accent);
    font-size: 0.9rem;
    font-weight: 500;
    border-bottom: 1px dashed rgba(139, 92, 246, 0.3);
    padding-bottom: 2px;
    transition: 0.3s;
}

.email-link:hover {
    border-bottom-color: var(--accent);
}

.footer-bottom {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    width: 100%;
}

.footer-bottom p {
    color: #444;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* --- RESPONSIVENESS --- */
@media (max-width: 768px) {
    .navbar {
        padding: 0 5%;
    }
    
    .nav-links li {
        margin-left: 1.2rem;
    }

    .hero, .app-hero {
        padding: 120px 5% 60px 5%;
    }

    .mission-text {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .social-links {
        gap: 1.2rem;
        flex-wrap: wrap;
        justify-content: center;
    }
}