/* --- VARIABLES & THEME --- */
:root {
    --magenta: #E91E8C;
    --magenta-dark: #C2185B; /* Uso para textos sobre blanco (Mejora A11y) */
    --magenta-text: #b01666; /* Solo para texto pequeño */
    --magenta-glow: rgba(233, 30, 140, 0.4);
    
    /* Light Mode (Default) */
    --bg-body: #fffcfd;
    --bg-card: #ffffff;
    --bg-nav: rgba(255, 252, 253, 0.96);
    --text-main: #1a1a1a;
    --text-secondary: #555555;
    --border-color: #f0f0f0;
    --shadow: 0 20px 50px rgba(0,0,0,0.05);
    --faq-bg: #ffffff;
}

/* Dark Mode */
body.dark-mode {
    --bg-body: #0a0a0a;
    --bg-card: #141414;
    --bg-nav: rgba(10, 10, 10, 0.96);
    --text-main: #f0f0f0;
    --text-secondary: #a0a0a0;
    --border-color: #333333;
    --shadow: 0 20px 50px rgba(0,0,0,0.5);
    --faq-bg: #1a1a1a;
}

/* --- RESET & ACCESSIBILITY --- */
* {
    margin: 0; 
    padding: 0; 
    box-sizing: border-box; 
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, transform 0.2s ease;
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    background: var(--bg-body);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    color: var(--text-main);
}

img, svg {
    max-width: 100%;
    height: auto;
    display: block;
}

/* --- COMPONENTS & UTILITIES --- */
.container { 
    max-width: 1100px; 
    margin: 0 auto; 
    padding: 0 1.5rem; 
}

/* Buttons */
.btn-mega, .btn-linktree {
    background: linear-gradient(135deg, var(--magenta), #ff5e9e);
    color: white; 
    padding: 1.2rem 2rem; 
    border-radius: 100px;
    text-decoration: none; 
    font-weight: 800; 
    font-size: 1.1rem;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 10px 30px var(--magenta-glow);
    text-transform: uppercase; 
    border: none; 
    cursor: pointer;
    text-align: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-mega:hover, .btn-linktree:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px var(--magenta-glow);
}

.btn-mega:focus, .btn-linktree:focus {
    outline: 3px solid var(--magenta-glow);
    outline-offset: 2px;
}

/* Animation Pulse */
.pulse-anim {
    animation: pulse 2s infinite;
}

@keyframes pulse { 
    0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 var(--magenta-glow); } 
    70% { transform: scale(1.02); box-shadow: 0 0 0 15px rgba(0,0,0,0); } 
}

/* --- NAVIGATION --- */
nav {
    position: fixed; 
    top: 0; 
    width: 100%;
    background: var(--bg-nav);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(233, 30, 140, 0.1);
}

.nav-container {
    max-width: 1100px; 
    margin: 0 auto; 
    padding: 0 1.5rem;
    display: flex; 
    justify-content: space-between; 
    align-items: center;
}

.logo { 
    font-size: 1.5rem; 
    font-weight: 900; 
    color: var(--magenta); 
    text-decoration: none; 
}

.nav-actions { 
    display: flex; 
    gap: 15px; 
    align-items: center; 
}

.theme-toggle {
    background: none; 
    border: none; 
    cursor: pointer;
    font-size: 1.2rem; 
    color: var(--text-main);
    padding: 8px; 
    border-radius: 50%;
    transition: transform 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover { 
    transform: rotate(15deg) scale(1.1); 
    background-color: rgba(0,0,0,0.05);
}
body.dark-mode .theme-toggle:hover {
    background-color: rgba(255,255,255,0.1);
}

.btn-nav {
    text-decoration: none; 
    color: var(--text-main); 
    font-weight: 800; 
    font-size: 0.8rem;
    border: 2px solid var(--text-main); 
    padding: 0.5rem 1.2rem; 
    border-radius: 50px;
}
body.dark-mode .btn-nav { 
    border-color: var(--magenta); 
    color: var(--magenta); 
}

/* --- HERO --- */
.hero { 
    padding: 8rem 1.5rem 6rem; 
    max-width: 900px; 
    margin: 0 auto; 
    text-align: center; 
}

.hero h1 { 
    font-size: clamp(2.5rem, 6vw, 4rem); 
    font-weight: 900; 
    letter-spacing: -2px; 
    line-height: 1.1; 
    margin-bottom: 1.5rem; 
}

.hero p { 
    font-size: 1.25rem; 
    color: var(--text-secondary); 
    margin-bottom: 3rem; 
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* --- ABOUT SECTION --- */
.about { 
    padding: 5rem 1.5rem; 
    background: var(--bg-card); 
    border-top-left-radius: 60px;
    border-top-right-radius: 60px;
    margin-top: -2rem; 
    position: relative;
    z-index: 2;
}

.about-flex { 
    display: flex; 
    flex-wrap: wrap; 
    gap: 3rem; 
    align-items: center; 
}

.profile-card { 
    flex: 0.8; 
    background: var(--bg-body); 
    padding: 2.5rem; 
    border-radius: 40px; 
    text-align: center; 
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    min-width: 280px;
}

/* --- PROJECTS --- */
.logros { 
    padding: 6rem 1.5rem; 
}
.section-title { 
    text-align: center; 
    margin-bottom: 3rem; 
    font-size: 2.2rem; 
    font-weight: 800;
}

.project-card {
    background: var(--bg-card); 
    border-radius: 40px; 
    overflow: hidden;
    box-shadow: var(--shadow); 
    border: 1px solid var(--border-color);
    display: flex; 
    flex-direction: column; 
    margin-bottom: 3rem;
}

@media (min-width: 768px) { 
    .project-card { flex-direction: row; } 
}

.project-img { 
    flex: 1; 
    background: #fceef6; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    font-size: 5rem; 
    min-height: 250px; 
}
body.dark-mode .project-img { 
    background: #2a0a1a; 
}

.project-info { 
    flex: 1.2; 
    padding: 2.5rem; 
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

/* --- PROJECTS GRID --- */
.projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

@media (min-width: 768px) { 
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    /* En escritorio, mantenemos las tarjetas verticales dentro del grid para que quepan 2 */
    .project-card { 
        flex-direction: column; 
        height: 100%;
    } 
    .project-img {
        width: 100%;
        min-height: 220px;
    }
    }
}

.tag { 
    background: #e3f9eb; 
    color: #15803d; 
    padding: 0.5rem 1.2rem; /* Más padding horizontal */
    border-radius: 50px; /* Bordes totalmente redondeados (Pill shape) */
    font-weight: 800; 
    font-size: 0.75rem; 
    display: inline-block; 
    align-self: flex-start; /* Se alinea a la izquierda en flex vertical */
    margin-bottom: 1rem; 
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05); /* Sombra sutil para efecto botón */
}
.tag.academic { 
    background: #f0f0f0; 
    color: #555; 
}

/* --- PRICING --- */
.pricing { 
    padding: 6rem 1.5rem; 
    background: var(--bg-card); 
    text-align: center; 
}
.price-box {
    max-width: 500px; /* Ancho aumentado para acomodar mejor el diseño dividido */
    margin: 3rem auto; 
    padding: 0; /* Removing padding to use internal containers */
    border-radius: 50px; 
    border: 2px solid var(--magenta);
    background: var(--bg-body); 
    box-shadow: var(--shadow);
    overflow: hidden; /* For inner border radii */
}

/* New Pricing Internals */
.price-header {
    padding: 3rem 2rem 2rem;
}

.price-num { 
    font-size: 4.5rem; 
    font-weight: 900; 
    line-height: 1; 
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.price-maintenance {
    background: rgba(233, 30, 140, 0.04);
    border-top: 1px dashed rgba(233, 30, 140, 0.3);
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    text-align: left;
}
body.dark-mode .price-maintenance {
    background: rgba(255, 255, 255, 0.03);
}

.features { 
    text-align: left; 
    list-style: none; 
    margin: 2rem 0; 
    color: var(--text-secondary); 
    padding: 0 2rem;
}
.features li { 
    margin-bottom: 1rem; 
    font-size: 1.1rem; 
    display: flex; 
    gap: 12px; 
    align-items: center;
}
.features li i { 
    color: #2ecc71; 
}

/* --- FAQ SECTION --- */
.faq-section {
    padding: 6rem 1.5rem;
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--magenta);
}

.faq-question {
    padding: 1.5rem;
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-main);
    cursor: pointer;
}

.faq-question i {
    color: var(--magenta);
    transition: transform 0.3s;
}

.faq-question.active i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    padding: 0 1.5rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.faq-answer p {
    padding-bottom: 1.5rem;
}

/* --- FLOATING BUTTONS --- */
.floating-container { 
    position: fixed; 
    bottom: 30px; 
    right: 30px; 
    z-index: 1001; 
    display: flex; 
    flex-direction: column; 
    gap: 15px; 
    align-items: flex-end; /* ASO: Align right so bubble arrow matches button */
}

.btn-float {
    width: 60px; 
    height: 60px; 
    border-radius: 50%;
    display: flex; 
    align-items: center; 
    justify-content: center;
    font-size: 1.5rem; 
    text-decoration: none; 
    color: white;
    box-shadow: 0 10px 20px rgba(0,0,0,0.2); 
    transition: transform 0.3s;
    border: none; 
    cursor: pointer;
}
.btn-float:hover { transform: scale(1.1); }
.btn-whatsapp { background: #25d366; }

/* Share Bar */
.share-bar {
    position: fixed; 
    left: 20px; 
    top: 50%; 
    transform: translateY(-50%);
    display: flex; 
    flex-direction: column; 
    gap: 10px; 
    z-index: 999;
}
.share-btn {
    width: 40px; 
    height: 40px; 
    border-radius: 50%; 
    background: var(--bg-card);
    border: 1px solid var(--border-color); 
    color: var(--text-secondary);
    display: flex; 
    align-items: center; 
    justify-content: center;
    cursor: pointer; 
    transition: 0.3s; 
    box-shadow: var(--shadow);
}
.share-btn:hover { 
    background: var(--magenta); 
    color: white; 
    border-color: var(--magenta); 
}

@media (max-width: 768px) {
    .share-bar { 
        position: static; 
        flex-direction: row; 
        justify-content: center; 
        margin-top: 2rem; 
        transform: none; 
    }
}

footer { 
    padding: 4rem 1.5rem; 
    text-align: center; 
    color: var(--text-secondary); 
    font-size: 0.9rem; 
    background: var(--bg-body); 
    border-top: 1px solid var(--border-color);
}

/* --- LINKTREE / BIO PAGE --- */
.bio-body {
    background: var(--bg-body);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.bio-container {
    max-width: 480px;
    width: 100%;
    text-align: center;
}

.bio-profile-img {
    width: 120px;
    height: 120px;
    background: #fceef6;
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.5rem;
    border: 3px solid var(--magenta);
    box-shadow: 0 10px 25px rgba(233, 30, 140, 0.2);
}

.bio-name {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.bio-title {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.bio-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
}

.btn-linktree {
    width: 100%;
    padding: 1.2rem;
    font-size: 1rem;
    /* Resetting some specific properties for the stack look if needed */
}

/* --- MARQUEE (INFINITE CAROUSEL) --- */
.marquee-wrapper {
    background: var(--magenta);
    padding: 1rem 0;
    overflow: hidden;
    white-space: nowrap;
    position: relative;
    transform: rotate(-1deg) scale(1.02); /* Slight tilt for dynamic effect */
    margin: 4rem 0;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    max-width: 100vw;
    width: 100%;
}

.marquee-content {
    display: inline-block;
    animation: marquee 20s linear infinite;
}

.marquee-item {
    color: white;
    font-size: 1.5rem;
    font-weight: 900;
    text-transform: uppercase;
    display: inline-block;
    padding: 0 2rem;
}
.marquee-item i { margin: 0 1rem; opacity: 0.5; font-size: 0.8em; }

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Reduced motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    .marquee-content { animation: none; }
    .marquee-wrapper { transform: none; overflow-x: auto; }
}

/* --- WHATSAPP BOT WIDGET --- */
.whatsapp-bubble {
    background: white;
    padding: 0;
    border-radius: 15px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.15);
    margin-bottom: 20px;
    margin-right: 10px;
    width: 260px;
    position: relative;
    opacity: 0;
    transform: translateY(20px) scale(0.9);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    pointer-events: none; /* No clicable si oculto */
    border: 1px solid var(--border-color);
}

.whatsapp-bubble.show {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: all;
}

.bubble-header {
    background: #f0f0f0;
    padding: 0.8rem 1rem;
    border-radius: 15px 15px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.bubble-body {
    padding: 1rem;
    color: var(--text-main);
    font-size: 0.95rem;
    line-height: 1.4;
}

.bubble-arrow {
    position: absolute;
    bottom: -8px;
    right: 25px;
    width: 15px;
    height: 15px;
    background: white;
    transform: rotate(45deg);
    border-bottom: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
}


/* Dark Mode fixes for bubble */
body.dark-mode .whatsapp-bubble,
body.dark-mode .bubble-arrow {
    background: #1a1a1a;
    border-color: #333;
}
body.dark-mode .bubble-header {
    background: #252525;
    color: #aaa;
}

/* --- ESTILOS ESPECÍFICOS PÁGINA BIO (LINKS.HTML) --- */

/* Perfil Bio */
.profile-header { text-align: center; margin-bottom: 30px; margin-top: 20px; }

.profile-image-container {
    width: 110px; height: 110px; margin: 0 auto 15px; position: relative;
}

.profile-image {
    width: 100%; height: 100%; border-radius: 50%; overflow: hidden;
    border: 3px solid var(--bg-card);
    box-shadow: 0 0 20px rgba(233, 30, 140, 0.2);
}
.profile-image img { width: 100%; height: 100%; object-fit: cover; }

.verified-badge {
    position: absolute; bottom: 5px; right: 0;
    background-color: #20D5D2; color: #000;
    width: 28px; height: 28px; border-radius: 50%;
    font-weight: bold; display: flex; align-items: center; justify-content: center;
    border: 2px solid var(--bg-body); font-size: 14px;
}

.bio-subtitle {
    color: var(--magenta); font-weight: 700; margin-bottom: 10px;
    text-transform: uppercase; font-size: 0.9rem; letter-spacing: 1px;
}
.bio-desc { color: var(--text-secondary); font-size: 0.95rem; margin-bottom: 30px; line-height: 1.5; }

/* Enlaces Bio */
.links-container { display: flex; flex-direction: column; gap: 15px; margin-bottom: 40px; }

.link-card {
    background-color: var(--bg-card); color: var(--text-main);
    text-decoration: none; padding: 15px 20px; border-radius: 16px;
    display: flex; align-items: center; transition: all 0.3s ease;
    border: 1px solid var(--border-color); text-align: left;
    box-shadow: var(--shadow);
}
.link-card:hover { transform: translateY(-3px); border-color: var(--magenta); }
.link-icon { font-size: 1.5rem; margin-right: 15px; }
.link-content { flex: 1; }
.link-title { display: block; font-weight: 700; font-size: 1.05rem; margin-bottom: 4px; }
.link-desc { font-size: 0.85rem; color: var(--text-secondary); }

.price-tag {
    background-color: #20D5D2; color: #000; padding: 2px 8px;
    border-radius: 4px; font-size: 0.75rem; font-weight: 800;
    margin-left: 8px; text-transform: uppercase;
}

/* Servicios Grid Bio */
.services-grid {
    display: grid; grid-template-columns: 1fr; gap: 15px; margin-bottom: 30px;
}
@media (min-width: 768px) {
    .services-grid { grid-template-columns: 1fr 1fr; }
}

.service-card {
    background-color: transparent; 
    padding: 15px 10px; 
    border-radius: 16px;
    text-align: center; 
    border: 1px solid transparent;
    box-shadow: none; 
    transition: all 0.3s;
}
.service-card:hover { 
    background-color: var(--bg-card);
    border-color: var(--border-color);
    box-shadow: var(--shadow);
    transform: translateY(-2px); 
}
.service-icon { font-size: 1.5rem; display: block; margin-bottom: 8px; opacity: 0.8; }
.service-title-bio { font-weight: 600; font-size: 0.85rem; margin-bottom: 4px; color: var(--text-main); }
.service-price { color: var(--text-secondary); font-size: 0.75rem; font-weight: 400; }
    
/* TikTok CTA */
.cta-tiktok {
    background: linear-gradient(45deg, #1a1a1a, #2d2d2d);
    border: 1px solid #333; color: white; text-decoration: none;
    padding: 12px 15px; border-radius: 16px; display: flex; align-items: center;
    margin-bottom: 25px; transition: transform 0.2s; box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}
.cta-tiktok:hover { transform: scale(1.02); }
.tiktok-icon-box { 
    background: #000; width: 32px; height: 32px; border-radius: 50%; 
    display: flex; align-items: center; justify-content: center; 
    margin-right: 12px; font-size: 1rem;
}


/* Apps Section Button */
.btn-app {
    display: inline-block;
    background: var(--text-main);
    color: var(--bg-card);
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    text-decoration: none;
    font-size: 0.8rem;
    width: 100%;
    text-align: center;
    border: 1px solid transparent;
    transition: all 0.3s ease;
    box-shadow: none;
}

.btn-app:hover {
    background: var(--magenta);
    color: white;
    box-shadow: 0 5px 15px rgba(233, 30, 140, 0.4);
    transform: translateY(-2px);
    border-color: var(--magenta);
}



.social-links { margin: 30px 0; display: flex; justify-content: center; gap: 20px; }
.social-icon { font-size: 1.5rem; text-decoration: none; opacity: 0.7; transition: opacity 0.3s; color: var(--text-main); }
.social-icon:hover { opacity: 1; transform: scale(1.1); color: var(--magenta); }