/* ==========================================================================
   DESIGN SYSTEM & VARIABLES (MÓDULO 83 - LIGHT THEME)
   ========================================================================== */
:root {
    /* Colors (Light Theme) */
    --color-bg-deep: #ffffff; /* Pure White background */
    --color-bg-card: #f8f9fa; /* Very Light Grey for cards/sections */
    --color-bg-nav: rgba(255, 255, 255, 0.96); /* White Header */
    --color-accent: #a3845b;  /* Richer Bronze/Gold Accent for readability on white */
    --color-accent-hover: #8e7047;
    --color-accent-light: rgba(163, 132, 91, 0.08);
    
    --color-text-title: #1a1c1e; /* Near Black */
    --color-text-body: #4a4e54;  /* Dark Charcoal for readable body text */
    --color-text-muted: #7e848c; /* Muted Grey */
    
    --color-border: rgba(0, 0, 0, 0.08); /* Subtle dark borders */
    --color-border-focus: rgba(163, 132, 91, 0.4);
    
    /* Fonts */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Outfit', sans-serif;
    
    /* Transitions */
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.2s ease;
    
    /* Layout */
    --header-height: 80px;
    --max-width: 1200px;
    --border-radius: 12px;
    --border-radius-sm: 6px;
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--color-text-title);
    font-weight: 700;
    line-height: 1.2;
}

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

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

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--color-bg-deep);
}
::-webkit-scrollbar-thumb {
    background: #dddddd;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent);
}

/* Reusable Containers */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.divider {
    width: 50px;
    height: 3px;
    background-color: var(--color-accent);
    margin-top: 15px;
}

/* ==========================================================================
   BUTTONS STYLES
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-smooth);
}

.btn-primary {
    background-color: var(--color-accent);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(163, 132, 91, 0.3);
}

.btn-secondary {
    border: 1px solid var(--color-border);
    color: var(--color-text-title);
    background-color: rgba(0, 0, 0, 0.01);
}

.btn-secondary:hover {
    border-color: var(--color-accent);
    background-color: var(--color-accent-light);
    transform: translateY(-2px);
}

.btn-block {
    width: 100%;
}

/* ==========================================================================
   HEADER / NAVIGATION (Clean White Navbar)
   ========================================================================== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: var(--color-bg-nav);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 100;
    transition: var(--transition-smooth);
    border-bottom: 1px solid var(--color-border);
}

.main-header.scrolled {
    height: 70px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.header-container {
    max-width: var(--max-width);
    height: 100%;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-logo {
    height: 38px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.2rem;
    letter-spacing: 2.5px;
    color: var(--color-text-title); /* Dark text on white header */
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-item {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-text-body); /* Dark text for links */
}

.nav-item:hover, .nav-item.active {
    color: var(--color-accent);
}

.nav-btn {
    border: 1px solid var(--color-accent);
    padding: 8px 18px;
    border-radius: var(--border-radius-sm);
    background-color: var(--color-accent-light);
    color: var(--color-accent);
}

.nav-btn:hover {
    background-color: var(--color-accent);
    color: #ffffff;
}

.mobile-menu-toggle {
    display: none;
    color: var(--color-text-title); /* Dark toggle for mobile */
}

/* ==========================================================================
   HERO SECTION (Reduced Height - Direct to the Point)
   ========================================================================== */
.hero-section {
    position: relative;
    height: 55vh; /* Reduced from 100vh to 55vh to be compact */
    width: 100%;
    margin-top: var(--header-height); /* Prevent overlap with white nav */
    display: flex;
    align-items: center;
    background-color: #000000; /* Fondo negro */
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent 40%, rgba(0, 0, 0, 0.6) 90%);
    pointer-events: none;
}

.hero-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
    z-index: 10;
}

.hero-content {
    max-width: 750px;
}

.hero-tag {
    font-family: var(--font-heading);
    color: var(--color-accent);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 4px;
    font-weight: 600;
    display: block;
    margin-bottom: 12px;
    animation: fadeInDown 1s ease-out;
}

.hero-title {
    font-size: clamp(2rem, 4vw, 3.2rem); /* Slightly smaller font to match compact height */
    line-height: 1.15;
    margin-bottom: 16px;
    font-weight: 800;
    letter-spacing: -1px;
    color: #ffffff;
    animation: fadeIn 1s ease-out 0.3s both;
}

.hero-subtitle {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 28px;
    font-weight: 300;
    animation: fadeIn 1s ease-out 0.6s both;
}

.hero-actions {
    display: flex;
    gap: 16px;
    animation: fadeIn 1s ease-out 0.9s both;
}

.hero-actions .btn-secondary {
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.3);
    background-color: rgba(255, 255, 255, 0.05);
}

.hero-actions .btn-secondary:hover {
    border-color: var(--color-accent);
    background-color: var(--color-accent-light);
}

.scroll-indicator {
    display: none; /* Removed scroll indicator to save vertical space */
}

/* ==========================================================================
   ABOUT SECTION
   ========================================================================== */
.about-section {
    padding: 80px 0; /* Reduced padding for compact layout */
    background-color: var(--color-bg-deep);
}

.section-header {
    margin-bottom: 40px;
}

.section-tag {
    font-family: var(--font-heading);
    color: var(--color-accent);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-weight: 600;
    display: block;
    margin-bottom: 8px;
}

.section-title {
    font-size: 2rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 50px;
    align-items: start;
}

.about-text .lead-text {
    font-size: 1.2rem;
    color: var(--color-text-title);
    font-weight: 400;
    margin-bottom: 20px;
}

.about-text p {
    margin-bottom: 20px;
    color: var(--color-text-body);
}

.about-stats {
    display: flex;
    gap: 48px;
    margin-top: 30px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    color: var(--color-accent);
    font-weight: 800;
}

.stat-label {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-muted);
}

.about-profiles {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.profile-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 20px;
    display: flex;
    gap: 20px;
    align-items: center;
    transition: var(--transition-smooth);
}

.profile-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
    background-color: #ffffff;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.04);
}

.profile-avatar {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background-color: var(--color-accent-light);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.avatar-svg {
    width: 28px;
    height: 28px;
}

.profile-info h3 {
    font-size: 1.15rem;
    margin-bottom: 4px;
}

.profile-role {
    font-family: var(--font-heading);
    color: var(--color-accent);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 600;
    display: block;
    margin-bottom: 6px;
}

.profile-info p {
    font-size: 0.88rem;
    color: var(--color-text-body);
}

/* ==========================================================================
   SERVICES SECTION (Light Contrast Background)
   ========================================================================== */
.services-section {
    padding: 80px 0;
    background-color: var(--color-bg-card);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.service-card {
    background-color: var(--color-bg-deep);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 35px 25px;
    transition: var(--transition-smooth);
}

.service-card:hover {
    transform: translateY(-6px);
    border-color: var(--color-accent);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.04);
}

.service-icon {
    color: var(--color-accent);
    margin-bottom: 20px;
    display: inline-block;
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    font-weight: 600;
}

.service-card p {
    font-size: 0.92rem;
    color: var(--color-text-body);
    font-weight: 300;
}

/* ==========================================================================
   PORTFOLIO SECTION (Larger grid items for impact)
   ========================================================================== */
.portfolio-section {
    padding: 80px 0;
    background-color: var(--color-bg-deep);
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 20px;
    font-family: var(--font-heading);
    font-size: 0.78rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    border: 1px solid var(--color-border);
    color: var(--color-text-body);
    border-radius: 30px;
    transition: var(--transition-smooth);
}

.filter-btn:hover, .filter-btn.active {
    background-color: var(--color-accent);
    color: #ffffff;
    border-color: var(--color-accent);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
    gap: 35px;
}

.portfolio-item-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.portfolio-item-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-accent);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.06);
}

.card-img-wrapper {
    position: relative;
    aspect-ratio: 16/10; 
    overflow: hidden;
    background-color: #f1f3f5;
}

.project-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.portfolio-item-card:hover .project-thumb {
    transform: scale(1.03);
}

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(26, 28, 30, 0.35); 
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-smooth);
}

.portfolio-item-card:hover .card-overlay {
    opacity: 1;
}

.zoom-icon {
    color: #ffffff;
    background-color: rgba(163, 132, 91, 0.9);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: scale(0.8);
    transition: var(--transition-smooth);
    box-shadow: 0 5px 12px rgba(0,0,0,0.15);
}

.portfolio-item-card:hover .zoom-icon {
    transform: scale(1);
}

.project-info {
    padding: 20px;
    background-color: #ffffff;
}

.project-cat {
    font-family: var(--font-heading);
    color: var(--color-accent);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 600;
    display: block;
    margin-bottom: 6px;
}

.project-info h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-text-title);
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-section {
    padding: 80px 0;
    background-color: var(--color-bg-card);
    border-top: 1px solid var(--color-border);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
    align-items: start;
}

.contact-info-wrapper h3 {
    font-size: 1.7rem;
    margin-bottom: 14px;
}

.contact-info-wrapper p {
    color: var(--color-text-body);
    margin-bottom: 35px;
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 35px;
}

.info-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.info-icon {
    color: var(--color-accent);
    background-color: var(--color-accent-light);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-label {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-text-muted);
    margin-bottom: 4px;
    font-weight: 600;
}

.info-link {
    font-size: 1.05rem;
    color: var(--color-text-title);
    font-weight: 500;
}

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

.info-value {
    font-size: 1.05rem;
    color: var(--color-text-title);
    font-weight: 500;
}

/* WhatsApp Area */
.whatsapp-boxes {
    border-top: 1px solid var(--color-border);
    padding-top: 30px;
}

.whatsapp-boxes h4 {
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
    color: var(--color-text-title);
}

.wa-box {
    display: flex;
    align-items: center;
    gap: 16px;
    background-color: #ffffff;
    border: 1px solid var(--color-border);
    padding: 14px 18px;
    border-radius: var(--border-radius);
    margin-bottom: 12px;
    transition: var(--transition-smooth);
}

.wa-box:hover {
    border-color: #25d366; 
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.02);
}

.wa-icon {
    color: #25d366;
    display: flex;
    align-items: center;
    justify-content: center;
}

.wa-name {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.wa-link {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-title);
}

.wa-box:hover .wa-link {
    color: #25d366;
}

/* Form Styles */
.contact-form-wrapper {
    background-color: #ffffff;
    border: 1px solid var(--color-border);
    padding: 35px;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 25px rgba(0,0,0,0.01);
}

.contact-form .form-group {
    margin-bottom: 20px;
}

.contact-form label {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-text-title);
    margin-bottom: 6px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    color: var(--color-text-title);
    padding: 12px 16px;
    border-radius: var(--border-radius-sm);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: var(--color-text-muted);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background-color: #ffffff;
    box-shadow: 0 0 0 2px var(--color-border-focus);
}

.form-status {
    margin-top: 15px;
    font-size: 0.9rem;
    text-align: center;
    font-weight: 500;
}

.form-status.success {
    color: #25d366;
}

.form-status.error {
    color: #ff4d4d;
}

/* ==========================================================================
   LIGHTBOX MODAL
   ========================================================================== */
.lightbox-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(9, 10, 11, 0.96);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox-modal.active {
    display: flex;
    opacity: 1;
}

.lightbox-content {
    max-width: 90%;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

#lightbox-img {
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.8);
    transform: scale(0.95);
    transition: transform 0.3s ease;
}

.lightbox-modal.active #lightbox-img {
    transform: scale(1);
}

.lightbox-caption {
    font-family: var(--font-heading);
    color: #ffffff; 
    margin-top: 20px;
    font-size: 1.1rem;
    font-weight: 500;
    text-align: center;
}

.lightbox-counter {
    color: #7e848c;
    font-size: 0.85rem;
    margin-top: 6px;
}

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 30px;
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.05);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.lightbox-close:hover {
    color: var(--color-accent);
    background-color: rgba(255, 255, 255, 0.1);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.03);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    user-select: none;
}

.lightbox-nav:hover {
    color: var(--color-accent);
    background-color: rgba(255, 255, 255, 0.08);
}

.lightbox-prev {
    left: 40px;
}

.lightbox-next {
    right: 40px;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.main-footer {
    padding: 40px 0;
    background-color: #111317; 
    border-top: 1px solid var(--color-border);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.9rem;
}

.footer-author {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    color: var(--color-accent);
}

/* ==========================================================================
   ANIMATIONS & MEDIA QUERIES
   ========================================================================== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-8px); }
    60% { transform: translateY(-4px); }
}

/* Responsive adjustments */
@media (max-width: 992px) {
    .about-grid, .contact-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); 
    }
    
    .lightbox-nav {
        width: 50px;
        height: 50px;
    }
    .lightbox-prev { left: 10px; }
    .lightbox-next { right: 10px; }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: var(--color-bg-nav);
        border-top: 1px solid var(--color-border);
        flex-direction: column;
        justify-content: center;
        gap: 40px;
        transition: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
        z-index: 90;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero-content {
        text-align: center;
        margin: 0 auto;
    }
    
    .hero-actions {
        justify-content: center;
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .about-stats {
        justify-content: space-around;
    }
    
    .contact-form-wrapper {
        padding: 24px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}