/* --- VARIABLES Y RESET GLOBALES --- */
:root {
    --primary-color-light: #007BFF;
    --background-color-light: #EBECF0;
    --surface-color-light: #EBECF0;
    --text-color-light: #34495E;
    --text-muted-light: #566573;
    --border-color-light: rgba(0, 0, 0, 0.1);

    --primary-color-dark: #00A3FF;
    --secondary-color-dark: #8A2BE2;
    --background-color-dark: #0a0a0a;
    --surface-color-dark: rgba(24, 24, 24, 0.7);
    --text-color-dark: #e9ecef;
    --text-muted-dark: #a0a0a0;
    --border-color-dark: rgba(255, 255, 255, 0.1);
    
    --shadow-light: 6px 6px 12px #c5c5c5, -6px -6px 12px #ffffff;
    --shadow-dark: 0 10px 30px rgba(0, 0, 0, 0.2);
    
    --border-radius: 20px;
    --font-family: 'Poppins', sans-serif;
    --transition-speed: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --grid-gap: 1.5rem;
}

/* --- DEFINICIONES DE TEMAS --- */
[data-theme="light"] {
    --primary-color: var(--primary-color-light);
    --secondary-color: #5856D6;
    --background-color: var(--background-color-light);
    --surface-color: var(--surface-color-light);
    --text-color: var(--text-color-light);
    --text-muted: var(--text-muted-light);
    --border-color: var(--border-color-light);
    --shadow: var(--shadow-light);
}

[data-theme="dark"] {
    --primary-color: var(--primary-color-dark);
    --secondary-color: var(--secondary-color-dark);
    --background-color: var(--background-color-dark);
    --surface-color: var(--surface-color-dark);
    --text-color: var(--text-color-dark);
    --text-muted: var(--text-muted-dark);
    --border-color: var(--border-color-dark);
    --shadow: var(--shadow-dark);
}

[data-theme="forest"] {
    --primary-color: #4CAF50;
    --secondary-color: #FFC107;
    --background-color: #121412;
    --surface-color: rgba(25, 30, 25, 0.7);
    --text-color: #E8F5E9;
    --text-muted: #A5D6A7;
    --border-color: rgba(76, 175, 80, 0.2);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

[data-theme="ocean"] {
    --primary-color: #00BCD4;
    --secondary-color: #FF5722;
    --background-color: #011422;
    --surface-color: rgba(1, 29, 48, 0.7);
    --text-color: #E0F7FA;
    --text-muted: #B2EBF2;
    --border-color: rgba(0, 188, 212, 0.2);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

[data-theme="matrix"] {
    --primary-color: #00FF41;
    --secondary-color: #2400FF;
    --background-color: #000000;
    --surface-color: rgba(10, 25, 10, 0.6);
    --text-color: #00FF41;
    --text-muted: #00b32d;
    --border-color: rgba(0, 255, 65, 0.2);
    --shadow: 0 0 20px rgba(0, 255, 65, 0.3);
    --font-family: 'Courier New', Courier, monospace;
}

/* --- RESET Y ESTILOS BASE --- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-family);
    background-color: var(--background-color);
    color: var(--text-color);
    transition: background-color var(--transition-speed), color var(--transition-speed), font-family var(--transition-speed);
    animation: cursor-animation 0.6s infinite;
    overflow-x: hidden;
}
a { color: var(--primary-color); text-decoration: none; transition: opacity var(--transition-speed); }
a:hover { opacity: 0.8; }
@keyframes cursor-animation {
    0%   { cursor: url("animado/frame_0_delay-0.01s.gif"), auto; }
    20%  { cursor: url("animado/frame_1_delay-0.01s.gif"), auto; }
    40%  { cursor: url("animado/frame_2_delay-0.01s.gif"), auto; }
    60%  { cursor: url("animado/frame_3_delay-0.01s.gif"), auto; }
    80%  { cursor: url("animado/frame_4_delay-0.01s.gif"), auto; }
    100% { cursor: url("animado/frame_5_delay-0.01s.gif"), auto; }
}

/* --- FONDO ANIMADO AURORA --- */
.background-aurora {
    position: fixed;
    top: 0; left: 0;
    width: 100vw; height: 100vh;
    z-index: -1;
    overflow: hidden;
}
.aurora-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.3;
}
.shape1 {
    width: 500px; height: 500px;
    background: var(--primary-color);
    top: -150px; left: -150px;
    animation: move1 20s infinite alternate ease-in-out;
}
.shape2 {
    width: 400px; height: 400px;
    background: var(--secondary-color);
    bottom: -100px; right: -100px;
    animation: move2 25s infinite alternate ease-in-out;
}
@keyframes move1 {
    to { transform: translate(100px, 200px); }
}
@keyframes move2 {
    to { transform: translate(-150px, -100px); }
}

/* --- HEADER HERO --- */
.hero-section {
    position: relative;
    width: 100%;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    overflow: hidden; /* Importante para que la máscara funcione bien */
    padding: 0 1rem;
}
.hero-background {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 1;
    /* ===== LA MAGIA OCURRE AQUÍ (Paso 1) ===== */
    /* Difuminamos la imagen para que se pierda suavemente en la parte inferior */
    -webkit-mask-image: linear-gradient(to bottom, black 50%, transparent 100%);
    mask-image: linear-gradient(to bottom, black 50%, transparent 100%);
}
.hero-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 30%;
    animation: zoomIn 20s infinite alternate;
}
@keyframes zoomIn {
    from { transform: scale(1); }
    to { transform: scale(1.1); }
}
.hero-overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2;
    /* ===== LA MAGIA OCURRE AQUÍ (Paso 2) ===== */
    /* Aplicamos la MISMA MÁSCARA a la capa oscura para que se desvanezca en perfecta sincronía */
    -webkit-mask-image: linear-gradient(to bottom, black 50%, transparent 100%);
    mask-image: linear-gradient(to bottom, black 50%, transparent 100%);
}
.hero-content {
    position: relative;
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    animation: fadeInSlideUp 1s ease-out;
    max-width: 90%;
}
.hero-section .profile-picture {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 4px solid var(--primary-color);
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
    overflow: hidden;
    margin-bottom: 0.5rem;
}
.hero-section .profile-picture img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.hero-section h1 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -1px;
    text-shadow: 2px 2px 10px rgba(0,0,0,0.7);
    line-height: 1.2;
}
.hero-section .subtitle {
    font-size: 1.3rem;
    font-weight: 600;
    color: #ffffff;
    margin-top: 0.75rem;
    letter-spacing: 0.5px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8), 0 0 5px rgba(0,0,0,0.5);
    background-color: rgba(0, 0, 0, 0.2);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

/* --- GRID ORGÁNICO --- */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem;
}
.cv-grid { 
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: -80px; /* Las tarjetas se montan sobre la zona difuminada del header */
    position: relative;
    z-index: 4;
}
.about-me-card {
    grid-column: 1 / -1;
}
#farewell {
    grid-column: 1 / -1;
}

/* --- ESTILO DE TARJETAS --- */
.card {
    padding: 1.75rem;
    border-radius: var(--border-radius);
    background: var(--surface-color);
    box-shadow: var(--shadow);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}
[data-theme="dark"] .card,
[data-theme="forest"] .card,
[data-theme="ocean"] .card,
[data-theme="matrix"] .card {
    border: 1px solid var(--border-color);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}
.card:hover {
    transform: translateY(-5px);
}
[data-theme="light"] .card:hover {
    box-shadow: 10px 10px 20px #c5c5c5, -10px -10px 20px #ffffff;
}
[data-theme="dark"] .card:hover,
[data-theme="forest"] .card:hover,
[data-theme="ocean"] .card:hover,
[data-theme="matrix"] .card:hover {
    box-shadow: 0 0 30px var(--primary-color);
}
.animate-on-load {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInSlideUp 0.6s var(--transition-speed) forwards;
}
@keyframes fadeInSlideUp {
    to { opacity: 1; transform: translateY(0); }
}

/* --- ESTILOS INTERNOS DE TARJETAS --- */
.card-title {
    font-size: 1.1rem; font-weight: 600; color: var(--primary-color); letter-spacing: -0.5px;
    margin-bottom: 1rem; display: flex; align-items: center; gap: 0.5rem;
}
.card-title .material-icons { font-size: 20px; }
p, li { font-size: 0.9rem; line-height: 1.8; color: var(--text-muted); }
ul { list-style: none; }
li { position: relative; padding-left: 1.2rem; margin-bottom: 0.5rem; }
li::before { content: '•'; color: var(--primary-color); position: absolute; left: 0; top: 1px; }
strong { font-weight: 500; color: var(--text-color); }

/* --- MENÚ FLOTANTE (FAB) Y PALETA DE TEMAS --- */
.fab-container { position: fixed; bottom: 2rem; right: 2rem; z-index: 1000; }
.fab-main-button { width: 60px; height: 60px; border-radius: 50%; background-color: var(--primary-color); color: white; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 12px rgba(0,0,0,0.2); cursor: pointer; transition: transform var(--transition-speed); }
.fab-main-button i { transition: transform var(--transition-speed); }
.fab-container.open .fab-main-button i { transform: rotate(45deg); }

.fab-options { 
    position: absolute; 
    bottom: 70px; 
    right: 5px; 
    display: flex; 
    flex-direction: column-reverse;
    align-items: center;
    gap: 1rem; 
    opacity: 0; 
    transform: translateY(10px); 
    pointer-events: none; 
    transition: all 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275); 
}
.fab-container.open .fab-options { 
    opacity: 1; 
    transform: translateY(0); 
    pointer-events: auto; 
}

.fab-option { 
    width: 50px; 
    height: 50px; 
    border-radius: 50%; 
    background-color: var(--surface-color); 
    color: var(--text-muted); 
    border: 1px solid var(--border-color); 
    box-shadow: var(--shadow); 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    cursor: pointer; 
    transition: all var(--transition-speed); 
    position: relative; 
}

.fab-option:hover { 
    transform: scale(1.1); 
    background-color: var(--primary-color); 
    color: white; 
    z-index: 10; /* Eleva el botón sobre sus hermanos */
}

.fab-option img { width: 24px; height: 24px; border-radius: 50%; }

.fab-option::after { 
    content: attr(data-tooltip); 
    position: absolute; 
    right: 120%; 
    top: 50%; 
    transform: translateY(-50%); 
    background-color: #181818; 
    color: #e0e0e0; 
    padding: 0.4rem 0.8rem; 
    border-radius: 6px; 
    font-size: 0.8rem; 
    white-space: nowrap; 
    opacity: 0; 
    pointer-events: none; 
    transition: opacity var(--transition-speed); 
    z-index: 1100; 
}
.fab-option:hover::after { opacity: 1; }

.theme-submenu {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-palette {
    position: absolute;
    right: 65px;
    bottom: 0;
    display: flex;
    flex-direction: row-reverse;
    align-items: center;
    gap: 1rem;
    opacity: 0;
    transform: translateX(10px);
    pointer-events: none;
    transition: opacity 0.2s ease-out, transform 0.2s ease-out;
}

.theme-submenu.open .theme-palette {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}

.theme-submenu.open #theme-menu-toggle {
    background-color: var(--primary-color);
    color: white;
    transform: scale(1.1);
}

.theme-option {
    width: 50px; 
    height: 50px; 
    border-radius: 50%; 
    background-color: var(--surface-color); 
    color: var(--text-muted); 
    border: 1px solid var(--border-color); 
    box-shadow: var(--shadow); 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    cursor: pointer; 
    transition: all var(--transition-speed); 
    position: relative;
    flex-shrink: 0;
}

.theme-option:hover { 
    transform: scale(1.1); 
    background-color: var(--primary-color); 
    color: white; 
    z-index: 10; /* Eleva el botón sobre sus hermanos */
}

.theme-option::after {
    content: attr(data-tooltip); 
    position: absolute; 
    right: 120%; 
    top: 50%; 
    transform: translateY(-50%); 
    background-color: #181818; 
    color: #e0e0e0; 
    padding: 0.4rem 0.8rem; 
    border-radius: 6px; 
    font-size: 0.8rem; 
    white-space: nowrap; 
    opacity: 0; 
    pointer-events: none; 
    transition: opacity var(--transition-speed);
    z-index: 1100;
}
.theme-option:hover::after { opacity: 1; }

/* --- BOTÓN VOLVER ARRIBA --- */
#back-to-top { position: fixed; bottom: -60px; left: 2rem; z-index: 999; width: 50px; height: 50px; border-radius: 50%; border: none; background-color: var(--surface-color); color: var(--text-muted); box-shadow: var(--shadow); cursor: pointer; transition: all var(--transition-speed); }
#back-to-top.visible { bottom: 2rem; }
#back-to-top:hover { background-color: var(--primary-color); color: white; }

/* --- FOOTER CON MAPA INTEGRADO --- */
.main-footer {
    background-color: var(--surface-color);
    padding: 3rem; margin-top: 2rem;
    position: relative; z-index: 1;
    box-shadow: 0 -10px 30px rgba(0,0,0,0.1);
}
[data-theme="dark"] .main-footer,
[data-theme="forest"] .main-footer,
[data-theme="ocean"] .main-footer,
[data-theme="matrix"] .main-footer {
     border-top: 1px solid var(--border-color);
     backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}
.footer-grid {
    max-width: 1200px; margin: 0 auto;
    display: grid; grid-template-columns: 1fr 1fr; gap: 3rem;
}
.footer-info {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem; align-content: start;
}
.footer-map {
    border-radius: var(--border-radius);
    overflow: hidden; min-height: 300px;
    box-shadow: var(--shadow);
}
.footer-map iframe { border: none; width: 100%; height: 100%; }
[data-theme="dark"] .footer-map iframe,
[data-theme="forest"] .footer-map iframe,
[data-theme="ocean"] .footer-map iframe,
[data-theme="matrix"] .footer-map iframe { 
    filter: invert(100%) hue-rotate(180deg) contrast(0.9); 
}
.footer-column h3 { font-size: 1rem; font-weight: 500; margin-bottom: 1rem; color: var(--text-color); }
.footer-column ul { list-style: none; padding: 0; }
.footer-column li { padding: 0; margin-bottom: 0.75rem; }
.footer-column p { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.5rem; }
.social-icons { display: flex; gap: 1rem; margin-top: 1rem; }
.social-icons img { width: 24px; height: 24px; border-radius: 50%; }
.footer-bottom {
    max-width: 1200px; margin: 2rem auto 0; padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    text-align: center; color: var(--text-muted);
}

/* --- RESPONSIVE DESIGN --- */
@media (max-width: 992px) {
    .cv-grid, .footer-grid {
        grid-template-columns: 1fr;
    }
    .about-me-card, #farewell {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    :root { --grid-gap: 1rem; }
    .hero-section { height: auto; min-height: 380px; padding: 4rem 1rem 4rem 1rem; }
    
    .hero-section h1 { 
        font-size: 2rem; 
    }
    
    .hero-section .subtitle {
        font-size: 0.9rem;
        padding: 0.5rem 1rem;
        margin-top: 1rem;
        letter-spacing: 0.2px;
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
    }
    
    .cv-grid { margin-top: -60px; grid-template-columns: 1fr; }
    #back-to-top { display: none; }
    .footer-grid { gap: 2rem; }
    .main-footer { padding: 2rem 1.5rem; }
}