:root {
    --bg-dark: #0f172a;
    --bg-darker: #020617;
    --neon-green: #00ff41;
    --neon-green-dim: rgba(0, 255, 65, 0.2);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --glass-bg: rgba(15, 23, 42, 0.7);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-darker);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    /* Patrón táctico de fondo sutil */
    background-image: 
        linear-gradient(rgba(2, 6, 23, 0.9), rgba(2, 6, 23, 0.9)),
        radial-gradient(var(--neon-green-dim) 1px, transparent 1px);
    background-size: 100% 100%, 30px 30px;
}

/* Tipografía */
h1, h2, h3, h4 {
    font-family: 'Outfit', sans-serif;
    letter-spacing: -0.02em;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* NAVBAR */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo i {
    color: var(--neon-green);
}

.logo span {
    color: var(--neon-green);
}

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

.nav-links a {
    font-size: 0.95rem;
    font-weight: 600;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--neon-green);
    text-shadow: 0 0 8px var(--neon-green-dim);
}

.hamburger {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--neon-green);
}

/* HERO SECTION */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 10rem 2rem 2rem;
    gap: 4rem;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-content h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background: var(--neon-green);
    color: var(--bg-darker);
    border: 1px solid var(--neon-green);
    box-shadow: 0 0 15px var(--neon-green-dim);
}

.btn-primary:hover {
    box-shadow: 0 0 25px rgba(0, 255, 65, 0.4);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--glass-bg);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--neon-green);
    color: var(--neon-green);
    transform: translateY(-2px);
}

/* HERO IMAGE MOCKUP */
.hero-image-container {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: center;
}

.mockup-frame {
    width: 300px;
    height: 600px;
    border: 8px solid #1e293b;
    border-radius: 36px;
    background: var(--bg-dark);
    position: relative;
    z-index: 2;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.placeholder-img {
    text-align: center;
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    font-size: 2rem;
}

.placeholder-img span {
    font-size: 1rem;
    font-family: 'Inter';
}

.glow-effect {
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--neon-green);
    filter: blur(100px);
    opacity: 0.15;
    z-index: 1;
    top: 0;
    left: 0;
    border-radius: 50%;
}

/* FEATURES SECTION */
.features {
    padding: 5rem 2rem;
    background: var(--bg-dark);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.section-header p {
    color: var(--text-muted);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: var(--bg-darker);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.feature-card:hover {
    border-color: var(--neon-green);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.icon-wrapper {
    width: 50px;
    height: 50px;
    background: rgba(0, 255, 65, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--neon-green);
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* DOWNLOAD SECTION */
.download-section {
    padding: 5rem 2rem;
    text-align: center;
}

.download-box {
    max-width: 700px;
    margin: 0 auto;
    background: linear-gradient(145deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
    border: 1px solid var(--border-color);
    padding: 4rem 2rem;
    border-radius: 24px;
    position: relative;
    overflow: hidden;
}

.download-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--neon-green);
    box-shadow: 0 0 15px var(--neon-green);
}

.download-box h2 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
}

.download-box p {
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.store-badge img {
    transition: transform 0.2s;
}

.store-badge img:hover {
    transform: scale(1.05);
}

/* FOOTER */
.footer {
    background: var(--bg-dark);
    border-top: 1px solid var(--border-color);
    padding: 3rem 2rem 1rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    color: var(--text-muted);
    margin-top: 1rem;
    font-size: 0.9rem;
    max-width: 250px;
}

.footer-links h4, .footer-social h4 {
    margin-bottom: 1rem;
    color: var(--text-main);
}

.footer-links ul li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--neon-green);
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icons a {
    color: var(--text-muted);
    font-size: 1.2rem;
    transition: color 0.2s;
}

.social-icons a:hover {
    color: var(--neon-green);
}

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ANIMATIONS */
.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }
.delay-3 { transition-delay: 0.6s; }

/* RESPONSIVE */
@media (max-width: 900px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 11rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-content h1 {
        font-size: 3rem;
    }

    .cta-buttons {
        justify-content: center;
    }

    .mockup-frame {
        width: 260px;
        height: 520px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-dark);
        flex-direction: column;
        padding: 1.5rem;
        border-bottom: 1px solid var(--border-color);
        text-align: center;
    }

    .nav-links.active {
        display: flex;
    }

    .hamburger {
        display: block;
    }
}