/* -------------------------------------------------
   ESTILO.CSS – Redesign Moderno (Glassmorphism)
   ------------------------------------------------- */

/* 1️⃣ Variables & Tokens */
:root {
    /* Tipografía */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Paleta de Colores (Dark Premium) */
    --bg-body: #0f172a;
    /* Azul muy oscuro */
    --bg-gradient: radial-gradient(circle at top left, #1e293b, #0f172a);

    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);

    --color-text-main: #f8fafc;
    --color-text-muted: #94a3b8;
    --color-accent: #38bdf8;
    /* Sky Blue */
    --color-accent-glow: rgba(56, 189, 248, 0.5);

    --radius-lg: 16px;
    --radius-md: 12px;

    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);

    /* Animaciones */
    --animation-duration: 0.8s;
}

/* Skip link (Accesibilidad) */
.skip-link {
    position: absolute;
    left: -9999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.skip-link:focus {
    left: 1rem;
    top: 1rem;
    background: var(--color-accent);
    color: #000;
    padding: .5rem 1rem;
    z-index: 1000;
    width: auto;
    height: auto;
    overflow: visible;
    border-radius: var(--radius-md);
}

/* 2️⃣ Reset & Base */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    font-family: var(--font-body);
    background: var(--bg-body);
    background: linear-gradient(-45deg, #0f172a, #1e293b, #0f172a, #1e1b4b);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
    background-attachment: fixed;
    color: var(--color-text-main);
    line-height: 1.7;
    min-height: 100vh;
    overflow-x: hidden;
}

@keyframes gradientBG {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

/* Scrollbar personalizada */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-body);
}

::-webkit-scrollbar-thumb {
    background: #334155;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent);
}

/* 2.1 Overlay de Ruido (2026 Vibes) */
.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://grainy-gradients.vercel.app/noise.svg');
    opacity: 0.05;
    pointer-events: none;
    z-index: 9999;
}

/* 3️⃣ Tipografía */
h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

/* 4️⃣ Componentes Utilitarios */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 40px;
    /* Aumentado de 20px */
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-accent), #0284c7);
    color: white;
    font-weight: 600;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px var(--color-accent-glow);
    transition: var(--transition-smooth);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--color-accent-glow);
}

/* 5️⃣ Header & Nav (Glassmorphism Sticky) */
header {
    background: transparent;
    padding: 4rem 2rem 2rem;
    /* Aumentado padding lateral */
    text-align: center;
    position: relative;
    z-index: 10;
}

.perfil {
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: fadeInDown 1s ease-out;
}

.perfil img {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    border: 4px solid var(--color-accent);
    box-shadow: 0 0 30px var(--color-accent-glow);
    object-fit: cover;
    margin-bottom: 1.5rem;
    transition: var(--transition-smooth);
}

.perfil img:hover {
    transform: scale(1.05) rotate(3deg);
}

.perfil h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(to right, #fff, var(--color-accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.perfil p {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    font-weight: 300;
}

/* Navegación Flotante */
nav {
    position: sticky;
    top: 20px;
    z-index: 100;
    display: flex;
    justify-content: center;
    margin-bottom: 3rem;
}

nav ul {
    display: flex;
    gap: 1rem;
    list-style: none;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 1rem 2rem;
    border-radius: 50px;
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

nav a {
    color: var(--color-text-muted);
    font-weight: 500;
    padding: 0.5rem 1.2rem;
    border-radius: 20px;
    position: relative;
    overflow: hidden;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: var(--transition-smooth);
    transform: translateX(-50%);
}

nav a:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

nav a:hover::after {
    width: 60%;
}

/* 6️⃣ Secciones Generales */
section {
    padding: 6rem 2rem;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--animation-duration) ease-out, transform var(--animation-duration) ease-out;
}

section.visible {
    opacity: 1;
    transform: translateY(0);
}

h2 {
    font-size: 2.2rem;
    margin-bottom: 2rem;
    position: relative;
    display: inline-block;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--color-accent);
    border-radius: 2px;
}

/* 7️⃣ Sobre Mí */
.sobre-mi .container {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    padding: 3rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
}

.sobre-mi p {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

.sobre-mi strong {
    color: var(--color-accent);
}

/* 8️⃣ Frase Destacada */
.frase-destacada {
    text-align: center;
    padding: 3rem 1rem;
}

.frase-destacada blockquote {
    font-size: 1.5rem;
    font-style: italic;
    color: #fff;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.frase-destacada blockquote::before {
    content: "“";
    font-size: 4rem;
    color: var(--color-accent);
    position: absolute;
    top: -40px;
    left: -20px;
    opacity: 0.3;
}

/* 9️⃣ Habilidades (Pills) */
.habilidades ul {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    list-style: none;
}

.habilidades li {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    font-weight: 500;
    transition: var(--transition-fast);
    cursor: default;
}

.habilidades li:hover {
    background: var(--color-accent);
    color: #000;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px var(--color-accent-glow);
}

/* 🔟 Experiencia */
.experiencia p {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    border-left: 3px solid var(--color-accent);
    padding-left: 1.5rem;
}

/* 11️⃣ Bento Grid (Rediseño 2026) */
.proyectos-section {
    padding-top: 2rem;
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: auto;
    gap: 1.5rem;
    margin-top: 2rem;
}

.bento-item {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform 0.1s ease, box-shadow 0.4s ease, border-color 0.4s ease;
    display: flex;
    flex-direction: column;
    min-height: 250px;
}

.bento-item:hover {
    border-color: var(--color-accent);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 20px var(--color-accent-glow);
}

.bento-item.featured {
    grid-column: span 2;
    grid-row: span 2;
}

.bento-item:nth-child(2) {
    grid-column: span 2;
}

.proyecto-content {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.bento-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 1px solid var(--glass-border);
    transition: transform 0.6s var(--transition-smooth);
}

.bento-item.featured img {
    height: 350px;
}

.bento-item:hover img {
    transform: scale(1.05);
}

.proyecto-info {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.proyecto-info h3 {
    font-size: 1.4rem;
    margin-bottom: 0.75rem;
    color: var(--color-accent);
}

.proyecto-info p {
    font-size: 1rem;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.tags {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tags span {
    background: rgba(56, 189, 248, 0.1);
    color: var(--color-accent);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
}

.links-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 1rem;
}

.links-grid a {
    display: block;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    text-align: center;
    font-size: 0.9rem;
    border: 1px solid var(--glass-border);
}

.links-grid a:hover {
    background: var(--color-accent);
    color: #000;
}

/* Responsive Bento */
@media (max-width: 1024px) {
    .bento-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .bento-grid {
        grid-template-columns: 1fr;
    }

    .bento-item.featured,
    .bento-item:nth-child(2) {
        grid-column: span 1;
        grid-row: span 1;
    }
}

/* 1️⃣2️⃣ Footer */
footer {
    text-align: center;
    padding: 3rem 2rem;
    /* Aumentado padding lateral */
    margin-top: 4rem;
    border-top: 1px solid var(--glass-border);
    color: var(--color-text-muted);
}

footer a {
    color: var(--color-accent);
    margin: 0 0.5rem;
}

footer a:hover {
    color: #fff;
}

/* 1️⃣3️⃣ Animaciones Keyframes */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 1️⃣4️⃣ Media Queries */
@media (max-width: 768px) {
    .perfil h1 {
        font-size: 2.2rem;
    }

    nav ul {
        padding: 0.8rem 1rem;
        gap: 0.5rem;
        flex-wrap: wrap;
        justify-content: center;
    }

    nav a {
        font-size: 0.9rem;
    }

    .carrusel-container .btn {
        display: none;
        /* Ocultar flechas en móvil, usar swipe */
    }
}

/* -------------------------------------------------
   PÁGINAS DE PROYECTO (Detalle)
   ------------------------------------------------- */
.detalle-proyecto {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    padding: 3rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
    margin-top: 2rem;
    animation: fadeInDown 0.8s ease-out forwards;
    /* Added forwards just in case, but opacity: 1 is key */
    opacity: 1;
    /* Override section opacity: 0 */
}

.detalle-proyecto h2 {
    margin-top: 2rem;
    color: var(--color-accent);
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 0.5rem;
    display: block;
    width: 100%;
}

.detalle-proyecto h2::after {
    display: none;
}

.detalle-proyecto p {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

/* Galería de Imágenes en Grid */
.galeria-imagenes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.galeria-imagenes img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    transition: var(--transition-smooth);
    cursor: pointer;
}

.galeria-imagenes img:hover {
    transform: scale(1.03);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    border-color: var(--color-accent);
}

/* Lista de Herramientas (Estilo Pills) */
.lista-herramientas {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    list-style: none;
    padding: 0;
}

.lista-herramientas li {
    background: rgba(56, 189, 248, 0.1);
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    padding: 0.6rem 1.2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.lista-herramientas li:hover {
    background: var(--color-accent);
    color: #0f172a;
    box-shadow: 0 0 15px var(--color-accent-glow);
}

/* Botón Volver */
.btn-volver {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-muted);
    font-weight: 500;
    margin-bottom: 1rem;
    transition: var(--transition-fast);
}

.btn-volver:hover {
    color: var(--color-accent);
    transform: translateX(-5px);
}

/* -------------------------------------------------
   GUESTBOOK / LIBRO DE FIRMAS (2026 Vibes)
   ------------------------------------------------- */
.guestbook-section {
    padding-bottom: 8rem;
}

.intro-guestbook {
    text-align: center;
    color: var(--color-text-muted);
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

.guestbook-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
}

/* Glass Form */
.glass-form {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    position: sticky;
    top: 100px;
    height: fit-content;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-group input,
.form-group textarea,
.form-group select {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 0.8rem 1rem;
    color: #fff;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.07);
    box-shadow: 0 0 15px var(--color-accent-glow);
}

.form-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 1.5rem;
}

.form-row .form-group {
    flex-grow: 1;
}

/* Signatures List */
.signatures-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.signature-card {
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    animation: fadeInUp 0.5s ease forwards;
}

.signature-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 0.5rem;
}

.signature-name {
    font-weight: 700;
    color: var(--color-accent);
    font-size: 1.1rem;
}

.signature-sentiment {
    font-size: 0.85rem;
    background: rgba(56, 189, 248, 0.1);
    color: var(--color-accent);
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    font-weight: 600;
}

.signature-body {
    font-size: 1rem;
    color: var(--color-text-main);
    line-height: 1.5;
}

.signature-date {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: 1rem;
    text-align: right;
}

.loading-signatures {
    text-align: center;
    padding: 2rem;
    color: var(--color-text-muted);
    font-style: italic;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Guestbook */
@media (max-width: 900px) {
    .guestbook-container {
        grid-template-columns: 1fr;
    }

    .glass-form {
        position: static;
    }
}

@media (max-width: 600px) {
    .form-row {
        flex-direction: column;
        align-items: stretch;
    }

    .form-row button {
        width: 100%;
    }
}