/* ============================================
   CSS Variables - Brand Colors
   ============================================ */
:root {
    --color-neon-green: #7ED321;
    --color-black: #1A1A1A;
    --color-dark-gray: #2D2D2D;
    --color-white: #FFFFFF;
    --color-text-light: rgba(255, 255, 255, 0.9);
    --color-text-muted: rgba(255, 255, 255, 0.7);
    
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    --transition-base: 0.3s ease;
    --transition-fast: 0.2s ease;
    --transition-slow: 0.5s ease;
    
    --border-radius: 8px;
    --border-radius-lg: 12px;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 20px rgba(126, 211, 33, 0.3);
    
    --header-height: 70px;
}

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

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

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

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

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

ul {
    list-style: none;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

/* ============================================
   Utility Classes
   ============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xxl) 0;
    position: relative;
}

.section__title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--color-white);
    position: relative;
}

.section__title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--color-neon-green);
    margin: var(--spacing-md) auto 0;
    border-radius: 2px;
}

/* Fade-in animation for scroll */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    transition: var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn--primary {
    background-color: var(--color-neon-green);
    color: var(--color-black);
    box-shadow: var(--shadow-glow);
}

.btn--primary:hover {
    background-color: #6FC01D;
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(126, 211, 33, 0.5);
}

.btn--secondary {
    background-color: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-neon-green);
}

.btn--secondary:hover {
    background-color: var(--color-neon-green);
    color: var(--color-black);
    transform: translateY(-2px);
}

/* ============================================
   Header & Navigation
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--header-height);
}

.nav__logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 70px;
    width: auto;
}

.nav__menu {
    display: flex;
    align-items: center;
}

.nav__list {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav__link {
    color: var(--color-text-light);
    font-weight: 500;
    position: relative;
    padding: var(--spacing-xs) 0;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-neon-green);
    transition: var(--transition-base);
}

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
}

.nav__link:hover {
    color: var(--color-neon-green);
}

.nav__toggle,
.nav__close {
    display: none;
    color: var(--color-white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: var(--header-height);
}

.hero__bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.hero__bg-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 1.2s ease-in-out;
}

.hero__bg-img.active {
    opacity: 1;
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    background: linear-gradient(
        to bottom,
        rgba(26, 26, 26, 0.7) 0%,
        rgba(26, 26, 26, 0.9) 100%
    );
}

.hero__container {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero__content {
    max-width: 800px;
    margin: 0 auto;
}

.hero__logo {
    height: 180px;
    width: auto;
    margin: 0 auto var(--spacing-lg);
    filter: drop-shadow(0 0 20px rgba(126, 211, 33, 0.5));
}

.hero__title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero__subtitle {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.hero__cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   About Section
   ============================================ */
.about {
    background-color: var(--color-dark-gray);
}

.about__content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    max-width: 1000px;
    margin: 0 auto;
}

.about__description {
    text-align: center;
}

.about__text {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
}

.about__features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.feature {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background-color: var(--color-black);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-neon-green);
    transition: var(--transition-base);
}

.feature:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.feature__icon {
    font-size: 2rem;
    color: var(--color-neon-green);
    font-weight: bold;
    flex-shrink: 0;
}

.feature__content {
    flex: 1;
}

.feature__title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
}

.feature__text {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* ============================================
   Services Section
   ============================================ */
.services {
    background-color: var(--color-black);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.service-category {
    background-color: var(--color-dark-gray);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    transition: var(--transition-base);
    border: 2px solid transparent;
}

.service-category:hover {
    border-color: var(--color-neon-green);
    box-shadow: var(--shadow-glow);
    transform: translateY(-5px);
}

.service-category__title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-neon-green);
}

.service-category__icon {
    font-size: 1.8rem;
}

.service-category__items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.service-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
    background-color: var(--color-black);
    border-radius: var(--border-radius);
    transition: var(--transition-base);
}

.service-item:hover {
    background-color: rgba(126, 211, 33, 0.1);
    transform: translateX(5px);
}

.service-item__name {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text-light);
    flex: 1;
}

.service-item__price {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-neon-green);
    margin-left: var(--spacing-sm);
    text-align: right;
}

.service-item__price::before {
    content: 'desde ';
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--color-text-muted);
    margin-right: 4px;
}

/* ============================================
   Gallery Section
   ============================================ */
.gallery {
    background-color: var(--color-dark-gray);
    padding: var(--spacing-xxl) 0;
}

@media screen and (min-width: 1025px) {
    .gallery {
        padding: calc(var(--spacing-xxl) + 2rem) 0;
    }
}

.gallery__carousel-wrapper {
    position: relative;
    overflow: hidden;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    box-sizing: border-box;
}

.gallery__carousel {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
    width: 100%;
    position: relative;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.gallery__slide {
    min-width: 100%;
    max-width: 100%;
    width: 100%;
    flex-shrink: 0;
    padding: 0;
    box-sizing: border-box;
    overflow: hidden;
    position: relative;
}

.gallery__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    overflow: hidden;
}

.gallery__item {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    cursor: pointer;
    aspect-ratio: 4 / 3;
    background-color: var(--color-black);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    width: 100%;
    min-width: 0;
}

.gallery__item:hover {
    box-shadow: var(--shadow-glow);
    transform: translateY(-5px);
}

.gallery__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: var(--transition-slow);
    display: block;
    min-width: 0;
    min-height: 0;
}

.gallery__item:hover .gallery__img {
    transform: scale(1.1);
}

.gallery__overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.95), rgba(0, 0, 0, 0.7), transparent);
    padding: var(--spacing-lg);
    transform: translateY(100%);
    transition: var(--transition-base);
}

.gallery__item:hover .gallery__overlay {
    transform: translateY(0);
}

.gallery__caption {
    color: var(--color-white);
    font-weight: 500;
    font-size: 1.05rem;
    line-height: 1.4;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

/* Carousel Indicators */
.gallery__indicators {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
    padding: var(--spacing-md) 0;
}

.gallery__indicator {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 2px solid var(--color-neon-green);
    background-color: transparent;
    cursor: pointer;
    transition: var(--transition-base);
    padding: 0;
}

.gallery__indicator:hover {
    background-color: rgba(126, 211, 33, 0.5);
    transform: scale(1.3);
    box-shadow: 0 0 8px rgba(126, 211, 33, 0.4);
}

.gallery__indicator.active {
    background-color: var(--color-neon-green);
    box-shadow: 0 0 12px rgba(126, 211, 33, 0.6);
    transform: scale(1.1);
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.lightbox.active {
    display: flex;
}

.lightbox__close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    color: var(--color-white);
    font-size: 3rem;
    cursor: pointer;
    z-index: 2001;
    transition: var(--transition-base);
}

.lightbox__close:hover {
    color: var(--color-neon-green);
    transform: rotate(90deg);
}

.lightbox__img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: var(--border-radius);
}

.lightbox__caption {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    color: var(--color-white);
    font-size: 1.2rem;
    text-align: center;
    background-color: rgba(0, 0, 0, 0.7);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
}

.lightbox__prev,
.lightbox__next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-white);
    font-size: 3rem;
    cursor: pointer;
    padding: var(--spacing-md);
    transition: var(--transition-base);
    background-color: rgba(0, 0, 0, 0.5);
    border-radius: var(--border-radius);
}

.lightbox__prev:hover,
.lightbox__next:hover {
    color: var(--color-neon-green);
    background-color: rgba(0, 0, 0, 0.8);
}

.lightbox__prev {
    left: var(--spacing-lg);
}

.lightbox__next {
    right: var(--spacing-lg);
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    background-color: var(--color-dark-gray);
}

.contact__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.contact__info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact__item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.contact__icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.contact__details {
    flex: 1;
}

.contact__label {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
}

.contact__text {
    color: var(--color-text-muted);
    line-height: 1.6;
}

.contact__link {
    color: var(--color-neon-green);
    transition: var(--transition-base);
}

.contact__link:hover {
    color: var(--color-white);
    text-decoration: underline;
}

.contact__map {
    width: 100%;
    height: 600px;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.map {
    width: 100%;
    height: 100%;
}

.contact__cta {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.contact__cta-text {
    font-size: 1.2rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background-color: var(--color-black);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.footer__brand {
    max-width: 300px;
}

.footer__logo {
    height: 80px;
    width: auto;
    margin-bottom: var(--spacing-md);
}

.footer__description {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

.footer__title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.footer__list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer__link {
    color: var(--color-text-muted);
    transition: var(--transition-base);
}

.footer__link:hover {
    color: var(--color-neon-green);
    padding-left: var(--spacing-xs);
}

.footer__text {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
    font-size: 0.95rem;
}

.footer__bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__copyright {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* ============================================
   WhatsApp Floating Button
   ============================================ */
.whatsapp-btn {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 60px;
    height: 60px;
    background-color: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    z-index: 999;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
    transition: var(--transition-base);
    animation: pulse 2s infinite;
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.6);
}

.whatsapp-btn svg {
    width: 32px;
    height: 32px;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 24px rgba(37, 211, 102, 0.7);
    }
}

/* ============================================
   Responsive Design
   ============================================ */

/* Large Desktop */
@media screen and (min-width: 1400px) {
    .gallery__carousel-wrapper {
        max-width: 1600px;
        padding: 0 var(--spacing-xl);
    }
    
    .gallery__grid {
        max-width: 1400px;
        gap: var(--spacing-xl);
    }
    
    .gallery__item {
        border-radius: var(--border-radius);
    }
}

/* Desktop */
@media screen and (min-width: 1025px) and (max-width: 1399px) {
    .gallery__grid {
        gap: var(--spacing-md);
    }
}

/* Tablet */
@media screen and (max-width: 1024px) {
    .hero__title {
        font-size: 2.5rem;
    }
    
    .section__title {
        font-size: 2rem;
    }
    
    .contact__content {
        grid-template-columns: 1fr;
    }
    
    .contact__map {
        height: 500px;
    }
    
    .gallery__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    
    .gallery__item {
        width: 100%;
    }
}

/* Mobile */
@media screen and (max-width: 768px) {
    :root {
        --header-height: 60px;
    }
    
    .nav__menu {
        position: fixed;
        top: var(--header-height);
        right: -100%;
        width: 80%;
        height: calc(100vh - var(--header-height));
        background-color: var(--color-black);
        flex-direction: column;
        padding: var(--spacing-xl);
        transition: var(--transition-base);
        box-shadow: var(--shadow-lg);
    }
    
    .nav__menu.show {
        right: 0;
    }
    
    .nav__list {
        flex-direction: column;
        gap: var(--spacing-lg);
        width: 100%;
    }
    
    .nav__link {
        font-size: 1.2rem;
        width: 100%;
        text-align: center;
        padding: var(--spacing-sm);
    }
    
    .nav__toggle,
    .nav__close {
        display: block;
    }
    
    .nav__close {
        position: absolute;
        top: var(--spacing-md);
        right: var(--spacing-md);
    }
    
    .hero__title {
        font-size: 2rem;
    }
    
    .hero__subtitle {
        font-size: 1.1rem;
    }
    
    .hero__logo {
        height: 120px;
    }
    
    .hero__cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .section__title {
        font-size: 1.75rem;
    }
    
    .about__features {
        grid-template-columns: 1fr;
    }
    
    .services__grid {
        grid-template-columns: 1fr;
    }
    
    .gallery .container {
        padding: 0;
    }
    
    .gallery__carousel-wrapper {
        padding: 0 var(--spacing-sm);
        margin: 0;
        width: 100%;
        max-width: 100%;
    }
    
    .gallery__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: var(--spacing-xs);
        max-width: 100%;
        margin: 0;
        padding: 0 var(--spacing-xs);
        grid-auto-rows: minmax(0, auto);
    }
    
    .gallery__item {
        width: 100%;
        min-width: 0;
        height: calc((100vh - 400px) / 3);
        max-height: 180px;
        min-height: 140px;
    }
    
    .gallery__img {
        object-fit: cover;
        object-position: center;
        width: 100%;
        height: 100%;
    }
    
    .gallery__indicators {
        gap: var(--spacing-xs);
        margin-top: var(--spacing-md);
    }
    
    .gallery__indicator {
        width: 10px;
        height: 10px;
    }
    
    .footer__content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .whatsapp-btn {
        width: 55px;
        height: 55px;
        bottom: var(--spacing-md);
        right: var(--spacing-md);
    }
    
    .whatsapp-btn svg {
        width: 28px;
        height: 28px;
    }
    
    .lightbox__prev,
    .lightbox__next {
        font-size: 2rem;
        padding: var(--spacing-sm);
    }
    
    .lightbox__close {
        font-size: 2.5rem;
    }
}

/* Small Mobile */
@media screen and (max-width: 480px) {
    .hero__title {
        font-size: 1.75rem;
    }
    
    .hero__subtitle {
        font-size: 1rem;
    }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .contact__map {
        height: 450px;
    }
    
    .gallery .container {
        padding: 0 var(--spacing-xs);
    }
    
    .gallery__carousel-wrapper {
        padding: 0;
        margin: 0;
        width: 100%;
        max-width: 100%;
    }
    
    .gallery__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: var(--spacing-xs);
        max-width: 100%;
        margin: 0;
        padding: 0;
        grid-auto-rows: minmax(0, auto);
    }
    
    .gallery__item {
        width: 100%;
        min-width: 0;
        height: calc((100vh - 350px) / 3);
        max-height: 160px;
        min-height: 120px;
    }
    
    .gallery__img {
        object-fit: cover;
        object-position: center;
        width: 100%;
        height: 100%;
    }
    
    .gallery__caption {
        font-size: 0.85rem;
        padding: var(--spacing-sm);
    }
}