/* MODERN WEB GUIDANCE: Dark Mode & Rich Aesthetics */
html {
    scroll-behavior: smooth;
}

:root {
    color-scheme: dark;
    
    /* Brand Colors translated to OKLCH for vibrancy */
    --bg-base: oklch(18% 0.06 250);     /* Deep dark blue (from #0F2C4F) */
    --accent: oklch(62% 0.16 250);      /* Vibrant blue (from #3498DB) */
    --accent-dark: oklch(40% 0.14 250); /* Darker blue (from #205EA6) */
    
    /* UI Colors */
    --text-primary: oklch(98% 0.02 250);
    --text-secondary: oklch(85% 0.04 250);
    --glass-bg: oklch(30% 0.08 250 / 0.15);
    --glass-border: oklch(100% 0 0 / 0.1);
    
    /* Platform Colors */
    --android-green: oklch(82% 0.17 150);
    --ios-dark: oklch(25% 0.02 250);
    
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
    
    scrollbar-color: var(--accent-dark) var(--bg-base);
}

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

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* AMBIENT MESH GRADIENT */
.ambient-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
    
    .ambient-orb {
        position: absolute;
        border-radius: 50%;
        filter: blur(120px);
        opacity: 0.4;
        animation: float 20s infinite alternate ease-in-out;
    }
    
    .orb-primary {
        top: -10%;
        left: -10%;
        width: 50vw;
        height: 50vw;
        background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
    }
    
    .orb-secondary {
        bottom: -20%;
        right: -10%;
        width: 60vw;
        height: 60vw;
        background: radial-gradient(circle, var(--accent-dark) 0%, transparent 70%);
        animation-delay: -10s;
    }
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(5%, 10%) scale(1.1); }
}

/* LAYOUT UTILS */
.content-wrapper {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 5%;
}

section {
    padding: 8rem 0;
}

h1, h2 {
    /* Modern Web Guidance: balanced headers */
    text-wrap: balance;
    font-weight: 700;
    letter-spacing: -0.03em;
}

p {
    /* Modern Web Guidance: prevent typographic orphans */
    text-wrap: pretty;
}

.section-title {
    font-size: clamp(2.2rem, 5vw, 3rem);
    margin-bottom: 2.5rem;
    background: linear-gradient(to right, var(--text-primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-center {
    text-align: center;
}

/* GLASSMORPHISM CARDS */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 3rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), 
                inset 0 1px 1px rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease, border-color 0.3s ease;
    
    &:hover {
        transform: translateY(-5px);
        border-color: var(--accent);
    }
}

/* NAVBAR */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(15, 44, 79, 0.4);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
    
    .nav-container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 1rem 5%;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    
    .logo {
        display: flex;
        align-items: center;
        gap: 12px;
        
        .logo-icon {
            width: 32px;
            height: auto;
            /* Sin bordes ni sombras que arruinen el PNG */
        }
        
        .logo-text {
            font-family: 'Inter', sans-serif;
            font-size: 1.4rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            color: #ffffff;
        }
    }
    
    .nav-links {
        display: flex;
        gap: 2.5rem;
        
        a {
            color: var(--text-secondary);
            font-size: 0.95rem;
            font-weight: 500;
            transition: color 0.2s ease;
            font-family: 'Inter', sans-serif;
            
            &:hover {
                color: var(--text-primary);
            }
        }
    }

    .nav-mobile-btn {
        display: none; /* Oculto en escritorio para que flex no centre los links */
    }
}

/* HERO SECTION */
@keyframes heroFadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-section {
    padding-top: 14rem;
    padding-bottom: 6rem;
    text-align: center;
    
    .hero-content {
        max-width: 800px;
        margin: 0 auto 5rem;
        padding: 0 5%;
        animation: heroFadeIn 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
        opacity: 0;
        transform: translateY(30px);
        
        .badge {
            display: inline-block;
            padding: 0.5rem 1rem;
            background: oklch(62% 0.16 250 / 0.2);
            color: var(--accent);
            border: 1px solid oklch(62% 0.16 250 / 0.3);
            border-radius: 100px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 2rem;
            box-shadow: 0 0 20px oklch(62% 0.16 250 / 0.2);
        }
        
        h1 {
            font-size: clamp(3.5rem, 8vw, 6.5rem);
            line-height: 1.1;
            margin-bottom: 1.5rem;
            background: linear-gradient(135deg, #fff 0%, var(--text-secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        
        p {
            font-size: clamp(1.1rem, 2vw, 1.4rem);
            color: var(--text-secondary);
            max-width: 650px;
            margin: 0 auto 3rem;
        }
        
        .download-container {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
        }
        
        .store-btn {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 1rem 2rem;
            border-radius: 14px;
            font-size: 1.05rem;
            font-weight: 600;
            transition: transform 0.2s ease, filter 0.2s ease, box-shadow 0.2s ease;
            
            &:hover {
                transform: translateY(-3px) scale(1.02);
                filter: brightness(1.1);
            }
        }
        
        .ios-btn {
            background: linear-gradient(145deg, var(--ios-dark), oklch(15% 0 0));
            color: var(--text-primary);
            border: 1px solid var(--glass-border);
            box-shadow: 0 10px 25px -5px rgba(0,0,0,0.5), inset 0 1px 1px rgba(255,255,255,0.1);
        }
        
        .android-btn {
            background: linear-gradient(145deg, var(--android-green), oklch(75% 0.17 150));
            color: #000;
            border: 1px solid oklch(90% 0.17 150);
            box-shadow: 0 10px 25px -5px oklch(82% 0.17 150 / 0.4), inset 0 1px 1px rgba(255,255,255,0.4);
        }
    }
}

/* HERO MOCKUP */
.hero-image-wrapper {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 5%;
    
    .mockup-glow {
        position: absolute;
        top: 20%;
        left: 50%;
        transform: translateX(-50%);
        width: 80%;
        height: 60%;
        background: var(--accent);
        filter: blur(100px);
        opacity: 0.3;
        z-index: -1;
    }
    
    .hero-mockup {
        width: 100%;
        height: auto;
        border: 1px solid var(--glass-border);
        border-radius: 20px 20px 0 0;
        display: block;
        box-shadow: 0 -20px 50px rgba(0,0,0,0.5);
    }
}

/* ABOUT SECTION */
.about-section {
    .about-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 2.5rem;
    }

    .section-title-small {
        font-size: 1.8rem;
        margin-bottom: 1.5rem;
        color: var(--text-primary);
        font-weight: 700;
        letter-spacing: -0.02em;
    }

    .about-text {
        font-size: 1.1rem; /* Texto más pequeño */
        color: var(--text-secondary);
        line-height: 1.6;
        
        strong {
            color: var(--text-primary);
            font-weight: 600;
        }
    }

    .values-list {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 1.2rem;
        
        li {
            padding-left: 1.5rem;
            position: relative;
            
            &::before {
                content: '→';
                position: absolute;
                left: 0;
                color: var(--accent);
                font-weight: bold;
            }
        }
    }
}

/* SOCIAL SECTION */
.social-section {
    .social-subtitle {
        color: var(--text-secondary);
        font-size: 1.15rem;
        margin: -1.5rem auto 3rem;
        max-width: 600px;
    }
    
    .social-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 1.5rem;
    }
    
    .social-card {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 1rem;
        padding: 2.5rem 1rem;
        color: var(--text-primary);
        transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
        text-decoration: none;
        
        svg {
            color: var(--accent);
            transition: transform 0.3s ease;
        }
        
        span {
            font-weight: 600;
            font-size: 1.1rem;
        }
        
        &:hover {
            border-color: var(--accent);
            background: oklch(62% 0.16 250 / 0.15);
            transform: translateY(-5px);
            
            svg {
                transform: scale(1.15);
            }
        }
    }
}

/* TEAM SECTION */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
    
    .team-member {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 2.5rem;
        
        .avatar-glow {
            position: relative;
            margin-bottom: 1.5rem;
            
            &::after {
                content: '';
                position: absolute;
                inset: -5px;
                background: linear-gradient(135deg, var(--accent), var(--accent-dark));
                border-radius: 50%;
                z-index: -1;
                filter: blur(15px);
                opacity: 0.5;
            }
            
            img {
                width: 100px;
                height: 100px;
                border-radius: 50%;
                object-fit: cover;
                border: 2px solid var(--glass-border);
            }
        }
        
        h3 {
            font-size: 1.3rem;
            margin-bottom: 0.25rem;
        }
        
        span {
            color: var(--accent);
            font-weight: 500;
        }
    }
}

/* CONTACT FORM */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 5rem;
    align-items: center;
    
    .contact-text p {
        font-size: 1.15rem;
        color: var(--text-secondary);
    }
}

.modern-form {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    
    .input-group {
        position: relative;
        
        input, textarea {
            width: 100%;
            background: rgba(0,0,0,0.2);
            border: 1px solid var(--glass-border);
            border-radius: 12px;
            padding: 1.2rem;
            color: var(--text-primary);
            font-family: inherit;
            font-size: 1rem;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
            
            &:focus, &:user-valid {
                outline: none;
                border-color: var(--accent);
                box-shadow: 0 0 0 4px oklch(62% 0.16 250 / 0.1);
            }
            
            /* Modern Web Guidance: sibling styling for floating labels */
            &:focus + label,
            &:not(:placeholder-shown) + label {
                transform: translateY(-2.8rem) scale(0.85);
                color: var(--accent);
                background: var(--bg-base);
                padding: 0 0.5rem;
            }
        }
        
        label {
            position: absolute;
            left: 1rem;
            top: 1.2rem;
            color: var(--text-secondary);
            pointer-events: none;
            transition: all 0.2s ease;
            transform-origin: left top;
        }
    }
    
    .submit-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
        background: linear-gradient(135deg, var(--accent), var(--accent-dark));
        color: #fff;
        border: none;
        padding: 1.2rem;
        border-radius: 12px;
        font-weight: 600;
        font-size: 1.05rem;
        cursor: pointer;
        transition: transform 0.2s ease, filter 0.2s ease;
        
        &:hover {
            transform: translateY(-2px);
            filter: brightness(1.1);
        }
    }
}

/* FOOTER */
footer {
    border-top: 1px solid var(--glass-border);
    padding: 4rem 0 2rem;
    background: rgba(0,0,0,0.3);
    
    .footer-content {
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 2rem;
    }
    
    .logo {
        display: flex;
        align-items: center;
        gap: 10px;
        
        img {
            width: 24px;
            height: 24px;
            border-radius: 6px;
        }
        
        span {
            font-weight: 600;
        }
    }
    
    .footer-logo {
        .logo-icon {
            width: 48px;
            height: auto;
        }
        
        .logo-text {
            font-size: 1.5rem;
        }
    }
    
    .footer-links {
        display: flex;
        gap: 2rem;
        
        a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            
            &:hover {
                color: var(--text-primary);
            }
        }
    }
    
    .footer-copy {
        color: var(--text-secondary);
        font-size: 0.9rem;
        width: 100%;
        text-align: center;
        margin-top: 2rem;
    }
}

/* MODERN WEB GUIDANCE: SCROLL-DRIVEN ANIMATIONS */
/* Replaces IntersectionObserver JS */
@supports (animation-timeline: view()) {
    .reveal-scroll {
        animation: reveal linear both;
        animation-timeline: view();
        animation-range: entry 10% cover 30%;
    }
    
    @keyframes reveal {
        from {
            opacity: 0;
            transform: translateY(50px) scale(0.95);
        }
        to {
            opacity: 1;
            transform: translateY(0) scale(1);
        }
    }
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .navbar {
        top: 0;
        left: 0;
        right: 0;
        border-radius: 0;
        border-left: none;
        border-right: none;
        border-top: none;
        
        .nav-mobile-btn {
            display: flex;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            
            span {
                width: 25px;
                height: 2px;
                background-color: var(--text-primary);
                transition: 0.3s;
            }
        }
        
        .nav-links {
            display: none;
        }
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .glass-card {
        padding: 2rem;
    }
}