/* ===== Variables CSS ===== */
:root {
    --color-bg: #F5F5F5;
    --color-text: #0F0F0F;
    --color-gray: #9CA3AF;
    --color-accent: #2563EB;
    --color-white: #FFFFFF;
    
    --font-main: 'Inter', sans-serif;
    --font-secondary: 'IBM Plex Sans', 'Source Sans 3', 'Inter', sans-serif;
    
    --transition-smooth: all 0.3s ease;
    --shadow-sm: 0 2px 8px rgba(15, 15, 15, 0.08);
    --shadow-md: 0 4px 16px rgba(15, 15, 15, 0.12);
    --shadow-lg: 0 8px 32px rgba(15, 15, 15, 0.16);
}

/* ===== Reset & Base ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-main);
    font-weight: 600;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

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

ul {
    list-style: none;
}

/* ===== Navegación ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-smooth);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    font-family: var(--font-main);
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: 0.1em;
    color: var(--color-text);
    margin: 0;
}

.nav-brand a {
    display: block;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--color-text);
    font-weight: 500;
    transition: var(--transition-smooth);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: var(--transition-smooth);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link:hover {
    color: var(--color-accent);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--color-text);
    transition: var(--transition-smooth);
}

/* ===== Hero Section ===== */
.hero {
    margin-top: 70px;
    position: relative;
    width: 100%;
}

.hero-banner {
    position: relative;
    width: 100%;
    min-height: 70vh;
    background: linear-gradient(135deg, var(--color-text) 0%, #1a1a1a 100%);
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(37, 99, 235, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(37, 99, 235, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
}

.hero .container {
    position: relative;
    z-index: 2;
    padding: 80px 20px;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    animation: fadeInUp 1s ease;
}

.brand-name {
    font-family: var(--font-main);
    font-size: 5rem;
    font-weight: 700;
    color: var(--color-white);
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    display: inline-block;
    margin-bottom: 1rem;
    letter-spacing: 0.1em;
}

.hero-subtitle {
    font-size: 1.8rem;
    color: var(--color-white);
    font-weight: 600;
    margin-bottom: 1rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-description {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 2.5rem;
    line-height: 1.8;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.hero-specialties {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
    justify-content: center;
}

.specialty {
    padding: 0.7rem 1.5rem;
    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-white);
    transition: var(--transition-smooth);
}

.specialty:hover {
    transform: translateY(-3px);
    background-color: rgba(255, 255, 255, 0.25);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background-color: var(--color-white);
    color: var(--color-accent);
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.cta-button.cta-secondary {
    background-color: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-white);
}

.cta-button.cta-secondary:hover {
    background-color: var(--color-white);
    color: var(--color-accent);
}

/* ===== Secciones Generales ===== */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.section-subtitle {
    text-align: center;
    color: var(--color-gray);
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

/* ===== Introducción ===== */
.intro {
    background-color: var(--color-white);
    padding: 60px 0;
}

.intro-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.intro-title {
    font-size: 2.2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

.intro-title .highlight {
    color: var(--color-accent);
    font-weight: 700;
}

.intro-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-gray);
    margin-bottom: 1.2rem;
}

.intro-text strong {
    color: var(--color-text);
    font-weight: 600;
}

/* ===== Featured Work ===== */
.featured-work {
    background-color: var(--color-white);
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.featured-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 4 / 3;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
}

.featured-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.featured-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: var(--color-white);
    padding: 2rem 1.5rem;
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition-smooth);
}

.featured-item:hover .featured-overlay {
    transform: translateY(0);
    opacity: 1;
}

.featured-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.featured-item:hover img {
    transform: scale(1.1);
}

.featured-overlay h3 {
    font-size: 1.3rem;
    margin-bottom: 0.3rem;
}

.featured-overlay p {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* ===== Portfolio ===== */
.portfolio {
    background-color: var(--color-bg);
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.7rem 1.5rem;
    background-color: var(--color-white);
    border: 2px solid transparent;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition-smooth);
    font-family: var(--font-main);
    font-size: 0.95rem;
}

.filter-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.filter-btn.active {
    background-color: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2.5rem;
}

.portfolio-item {
    background-color: var(--color-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    opacity: 1;
    transform: scale(1);
}

.portfolio-item.hidden {
    display: none;
}

.portfolio-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.portfolio-image {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background-color: var(--color-bg);
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

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

.play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--color-text);
}

.portfolio-info {
    padding: 1.5rem;
}

.portfolio-info h3 {
    font-size: 1.3rem;
    margin-bottom: 0.7rem;
    color: var(--color-text);
}

.portfolio-description {
    color: var(--color-gray);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.portfolio-role {
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: var(--color-text);
}

.portfolio-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tech-tag {
    padding: 0.3rem 0.8rem;
    background-color: var(--color-bg);
    border-radius: 15px;
    font-size: 0.8rem;
    color: var(--color-gray);
    font-weight: 500;
}

.portfolio-link {
    color: var(--color-accent);
    font-weight: 600;
    transition: var(--transition-smooth);
}

.portfolio-link:hover {
    color: var(--color-accent);
}

/* ===== Servicios ===== */
.servicios {
    background-color: var(--color-white);
}

.servicios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.servicio-card {
    background-color: var(--color-bg);
    padding: 2.5rem 2rem;
    border-radius: 12px;
    transition: var(--transition-smooth);
    text-align: center;
}

.servicio-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    background-color: var(--color-white);
}

.servicio-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.servicio-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.servicio-card p {
    color: var(--color-gray);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.servicio-list {
    text-align: left;
}

.servicio-list li {
    padding: 0.5rem 0;
    color: var(--color-gray);
    font-size: 0.9rem;
    position: relative;
    padding-left: 1.5rem;
}

.servicio-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
}

/* ===== Reseñas ===== */
.reseñas {
    background-color: var(--color-white);
}

.reseñas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.reseña-card {
    background-color: var(--color-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
}

.reseña-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.reseña-stars {
    color: #FFD700;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.reseña-text {
    color: var(--color-gray);
    font-style: italic;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.reseña-author {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.reseña-author strong {
    color: var(--color-text);
    font-size: 1rem;
}

.reseña-author span {
    color: var(--color-gray);
    font-size: 0.85rem;
}

/* ===== Contacto ===== */
.contacto {
    background-color: var(--color-bg);
}

.contacto-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 2rem;
}

.contacto-info h3,
.contacto-form h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

.contacto-info p {
    color: var(--color-gray);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.contacto-methods {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contacto-method {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background-color: var(--color-white);
    border-radius: 12px;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-sm);
}

.contacto-method:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.contacto-icon {
    font-size: 2rem;
}

.contacto-method strong {
    display: block;
    color: var(--color-text);
    margin-bottom: 0.2rem;
}

.contacto-method p {
    color: var(--color-gray);
    margin: 0;
    font-size: 0.95rem;
}

/* Formulario */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--color-text);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.9rem;
    border: 2px solid #E0E0E0;
    border-radius: 8px;
    font-family: var(--font-main);
    font-size: 1rem;
    transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-group textarea {
    resize: vertical;
}

.submit-btn {
    width: 100%;
    padding: 1rem;
    background: var(--color-accent);
    color: var(--color-white);
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    font-family: var(--font-main);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    background: #1d4ed8;
}

/* ===== Footer ===== */
.footer {
    background-color: var(--color-text);
    color: var(--color-white);
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    font-family: var(--font-main);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: 0.1em;
}

.footer-brand p {
    color: var(--color-gray);
    font-size: 0.9rem;
}

.footer-links,
.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.footer-links a,
.footer-contact a {
    color: var(--color-gray);
    transition: var(--transition-smooth);
}

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #333;
}

.footer-bottom p {
    color: var(--color-gray);
    font-size: 0.9rem;
}

/* ===== WhatsApp Icon & Float Button ===== */
.whatsapp-icon svg {
    width: 32px;
    height: 32px;
}

.whatsapp-float {
    position: fixed;
    bottom: 25px;
    left: 25px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition-smooth);
    cursor: pointer;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

.whatsapp-float svg {
    width: 28px;
    height: 28px;
}


/* ===== Animaciones ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ===== Responsive ===== */
@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .brand-name {
        font-size: 3rem;
    }
    
    .featured-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .intro-title {
        font-size: 1.8rem;
    }
    
    .intro-text {
        font-size: 1rem;
    }
    
    .contacto-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--color-white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-md);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(8px, -8px);
    }
    
    section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .featured-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .servicios-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .brand-name {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.3rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-banner {
        min-height: 60vh;
    }
    
    .hero .container {
        padding: 40px 20px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .cta-button {
        width: 100%;
        text-align: center;
    }
    
    .section-title {
        font-size: 1.7rem;
    }
    
    .portfolio-filters {
        gap: 0.5rem;
    }
    
    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
    
    .whatsapp-float {
        bottom: 20px;
        left: 20px;
        width: 55px;
        height: 55px;
    }
    
    .whatsapp-float svg {
        width: 26px;
        height: 26px;
    }
}