:root {
    --bg-color: #050505;
    --surface-color: #121212;
    --surface-light: #1e1e1e;
    --text-primary: #ffffff;
    --text-secondary: #a3a3a3;
    --accent-green: #10B981;
    --accent-glow: rgba(16, 185, 129, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.logo-white { color: var(--text-primary); }
.logo-green { color: var(--accent-green); }

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--text-primary);
}

.btn-primary, .btn-secondary, .btn-outline {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--accent-green);
    color: var(--bg-color);
    box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.5);
    background-color: #34d399;
}

.btn-secondary {
    background-color: var(--surface-light);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.btn-outline {
    border: 1px solid var(--accent-green);
    color: var(--accent-green) !important;
}

.btn-outline:hover {
    background-color: var(--accent-green);
    color: var(--bg-color) !important;
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

.highlight {
    color: var(--accent-green);
    position: relative;
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8rem 5% 4rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    left: -10%;
    width: 50%;
    height: 50%;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    z-index: 0;
}

.hero-content {
    flex: 1;
    max-width: 600px;
    z-index: 1;
}

.badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-green);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 90%;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.hero-image-wrapper {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    position: relative;
    z-index: 1;
}

.hero-img {
    max-width: 100%;
    border-radius: 20px;
    position: relative;
    z-index: 2;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

.glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 80%;
    background: var(--accent-green);
    filter: blur(100px);
    opacity: 0.2;
    z-index: 1;
}

.features {
    padding: 6rem 5%;
    background-color: var(--surface-color);
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease;
}

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

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

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

.feature-card {
    background: var(--surface-light);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.05);
    transition: all 0.4s ease;
    opacity: 0;
    transform: translateY(30px);
}

.feature-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    transform: translateY(-10px) !important;
    border-color: rgba(16, 185, 129, 0.3);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.icon-wrapper {
    width: 60px;
    height: 60px;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--accent-green);
}

.icon-wrapper svg {
    width: 30px;
    height: 30px;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.pros-cons-section {
    padding: 6rem 5%;
    background-color: var(--bg-color);
}

.pros-cons-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.pros-card, .cons-card {
    background: var(--surface-light);
    border-radius: 16px;
    padding: 3rem 2.5rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.6s ease;
    opacity: 0;
    transform: translateY(30px);
}

.pros-card.visible, .cons-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.pros-card:hover {
    transform: translateY(-5px) !important;
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.15);
    border-color: rgba(16, 185, 129, 0.3);
}

.cons-card:hover {
    transform: translateY(-5px) !important;
    box-shadow: 0 10px 30px rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.3);
}

.pros-title, .cons-title {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.pros-title { color: var(--accent-green); }
.cons-title { color: #ef4444;  }

.pros-title svg, .cons-title svg {
    width: 32px;
    height: 32px;
}

.article-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.article-content ul {
    list-style: none;
    padding-left: 0;
}

.article-content ul li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.pros-card .article-content ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-green);
    font-weight: bold;
}

.cons-card .article-content ul li::before {
    content: '✕';
    position: absolute;
    left: 0;
    color: #ef4444;
    font-weight: bold;
}

.cta-section {
    padding: 6rem 5%;
    display: flex;
    justify-content: center;
}

.cta-container {
    background: linear-gradient(135deg, var(--surface-light) 0%, var(--surface-color) 100%);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 24px;
    padding: 4rem 2rem;
    text-align: center;
    max-width: 800px;
    width: 100%;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: scale(0.95);
    transition: all 0.8s ease;
}

.cta-container.visible {
    opacity: 1;
    transform: scale(1);
}

.cta-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent-green);
}

.cta-container h2 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
}

.cta-container p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.pdf-section {
    padding: 6rem 5%;
    background-color: var(--bg-color);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.gallery-section {
    padding: 6rem 5%;
    background-color: var(--surface-color);
}

.gallery-category {
    margin-bottom: 4rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.gallery-category:last-child {
    margin-bottom: 0;
}

.category-title {
    font-size: 1.5rem;
    color: var(--accent-green);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(16, 185, 129, 0.2);
    display: inline-block;
}

.subcategory-title {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.category-description {
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    font-size: 1.05rem;
    line-height: 1.6;
}

.mosaic-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    grid-auto-rows: 250px;
    gap: 15px;
}

.mosaic-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.mosaic-img:hover {
    transform: scale(1.03);
    box-shadow: 0 10px 20px rgba(16, 185, 129, 0.2);
    z-index: 2;
    position: relative;
}

.before-after-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.before-after-grid .image-wrapper {
    position: relative;
    flex: 1;
    height: 400px;
}

.before-after-grid .mosaic-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
}

.before-after-grid .caption {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(16, 185, 129, 0.9);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-weight: bold;
    letter-spacing: 1px;
    text-transform: uppercase;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    z-index: 5;
    pointer-events: none;
}

.before-after-grid .arrow-wrapper {
    color: var(--accent-green);
    display: flex;
    align-items: center;
    justify-content: center;
}

.before-after-grid .arrow-wrapper svg {
    width: 50px;
    height: 50px;
    animation: pulseArrow 2s infinite;
}

@keyframes pulseArrow {
    0% { transform: scale(1); opacity: 0.7; }
    50% { transform: scale(1.1); opacity: 1; }
    100% { transform: scale(1); opacity: 0.7; }
}

.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(10px);
}

.lightbox.show {
    opacity: 1;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90vh;
    border-radius: 8px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.8);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.close-lightbox {
    position: absolute;
    top: 20px;
    right: 30px;
    color: white;
    font-size: 3rem;
    font-weight: 300;
    cursor: pointer;
    transition: color 0.3s ease;
    z-index: 2001;
}

.close-lightbox:hover {
    color: var(--accent-green);
}

footer {
    background-color: var(--bg-color);
    padding: 2rem 5%;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

footer p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 7rem;
    }

    .hero-content {
        margin-bottom: 3rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero::before {
        left: 50%;
        transform: translateX(-50%);
        width: 100%;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .cta-container {
        padding: 3rem 1.5rem;
    }
    .mosaic-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        grid-auto-rows: 150px;
    }

    .before-after-grid {
        flex-direction: column;
        gap: 1rem;
    }
    .before-after-grid .image-wrapper {
        height: 250px;
        width: 100%;
    }
    .before-after-grid .arrow-wrapper {
        transform: rotate(90deg);
    }
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 0.5rem;
}
.menu-toggle svg {
    width: 28px;
    height: 28px;
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    .navbar {
        padding: 1rem 5%;
    }
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(5, 5, 5, 0.98);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }
    .nav-links.active {
        display: flex;
    }
    .nav-links a {
        font-size: 1.1rem;
        width: 100%;
        text-align: center;
    }
    .nav-links .btn-outline {
        text-align: center;
    }
}

.scroll-progress-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: transparent;
    z-index: 9999;
    pointer-events: none;
}
.scroll-progress-bar {
    height: 100%;
    width: 0%;
    background: var(--accent-green);
    box-shadow: 0 0 10px var(--accent-green), 0 0 20px var(--accent-green);
    transition: width 0.1s ease;
}

.feature-card, .pros-card, .cons-card, .cta-container, .pdf-card {
    background: rgba(20, 20, 20, 0.6) !important;
    backdrop-filter: blur(16px) !important;
    -webkit-backdrop-filter: blur(16px) !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3) !important;
}

.feature-card:hover, .pros-card:hover, .pdf-card:hover {
    border-color: rgba(16, 185, 129, 0.5) !important;
    box-shadow: 0 10px 40px rgba(16, 185, 129, 0.2) !important;
    background: rgba(30, 30, 30, 0.7) !important;
}

@keyframes neonPulse {
    0% { box-shadow: 0 0 5px rgba(16, 185, 129, 0.4), 0 0 15px rgba(16, 185, 129, 0.2); }
    50% { box-shadow: 0 0 10px rgba(16, 185, 129, 0.8), 0 0 25px rgba(16, 185, 129, 0.4); }
    100% { box-shadow: 0 0 5px rgba(16, 185, 129, 0.4), 0 0 15px rgba(16, 185, 129, 0.2); }
}

.btn-primary {
    animation: neonPulse 2.5s infinite;
}

.btn-primary:hover {
    animation: none;
    box-shadow: 0 0 15px var(--accent-green), 0 0 30px var(--accent-green) !important;
}

.mosaic-wrapper {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
}
.mosaic-img {
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94), filter 0.6s ease;
}
.mosaic-img:hover {
    transform: scale(1.05);
    filter: brightness(1.1) contrast(1.1);
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.3);
}

.areas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}
.area-badge {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    padding: 0.8rem 1rem;
    border-radius: 8px;
    color: var(--accent-green);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    cursor: default;
}
.area-badge:hover {
    background: var(--accent-green);
    color: var(--bg-color);
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.4);
    transform: translateY(-3px);
}

.navbar {
    background: rgba(5, 5, 5, 0.6) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5) !important;
}

body {
    background: radial-gradient(circle at top left, #0a0a0a 0%, var(--bg-color) 100%);
    background-attachment: fixed;
}

.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    right: 40px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    box-shadow: 0px 4px 15px rgba(0, 0, 0, 0.5);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    animation: floatWhatsApp 3s ease-in-out infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1) !important;
    background-color: #1ebe57;
    color: #FFF;
    box-shadow: 0px 6px 20px rgba(37, 211, 102, 0.6);
    animation: none;
}

.whatsapp-float svg {
    width: 35px;
    height: 35px;
}

@keyframes floatWhatsApp {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 55px;
        height: 55px;
    }
    .whatsapp-float svg {
        width: 30px;
        height: 30px;
    }
}