/* ==========================================================================
   CONSTRUESPACIOS - Ultra Elegant Architectural Design System
   Soft Tones • Fine Typography • Prominent Full HD Imagery • Simple & Professional
   ========================================================================== */

:root {
    /* Soft Architectural Color Palette */
    --bg-main: #FBFBFA;
    --bg-alt: #F3F2EE;
    --bg-card: #FFFFFF;
    --bg-card-hover: #FFFFFF;
    --bg-subtle: #EAE8E1;
    
    /* Elegant Accents */
    --accent-bronze: #B89765;
    --accent-bronze-soft: rgba(184, 151, 101, 0.12);
    --accent-bronze-border: rgba(184, 151, 101, 0.3);
    
    /* Fine Typography Colors */
    --text-primary: #1C1F26;
    --text-secondary: #5A6270;
    --text-light: #8C94A0;
    --border-light: rgba(0, 0, 0, 0.07);
    
    /* WhatsApp Accent */
    --whatsapp-green: #25D366;
    --whatsapp-dark: #1EAF53;
    
    /* Layout & Fine Borders */
    --container-max: 1280px;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    
    /* Soft Shadows */
    --shadow-soft: 0 10px 40px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 20px 50px rgba(0, 0, 0, 0.09);
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
    font-family: 'Plus Jakarta Sans', -apple-system, sans-serif;
    font-weight: 300;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 300;
    letter-spacing: -0.5px;
    color: var(--text-primary);
    line-height: 1.25;
}

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

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 2rem;
}

/* Fine Subtitles and Badges */
.sub-heading {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-bronze);
    font-size: 0.82rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.8rem;
    background: var(--accent-bronze-soft);
    padding: 0.35rem 1.1rem;
    border-radius: 50px;
    border: 1px solid var(--accent-bronze-border);
}

.section-header {
    margin-bottom: 4rem;
}

.section-header.center {
    text-align: center;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 300;
    margin-bottom: 1.2rem;
    color: var(--text-primary);
}

.section-title strong {
    font-weight: 600;
    color: var(--accent-bronze);
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.15rem;
    font-weight: 300;
    max-width: 720px;
    margin: 0 auto;
}

/* Elegant Fine Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.95rem 2rem;
    border-radius: var(--radius-md);
    font-family: 'Outfit', sans-serif;
    font-weight: 400;
    font-size: 0.95rem;
    letter-spacing: 0.3px;
    cursor: pointer;
    border: 1px solid transparent;
    transition: var(--transition);
}

.btn-lg {
    padding: 1.15rem 2.4rem;
    font-size: 1.05rem;
}

.btn-block {
    width: 100%;
}

.btn-primary {
    background: var(--text-primary);
    color: #FFFFFF;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.btn-primary:hover {
    background: var(--accent-bronze);
    color: #FFFFFF;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(184, 151, 101, 0.25);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border-color: rgba(0, 0, 0, 0.15);
}

.btn-outline:hover {
    border-color: var(--text-primary);
    background: var(--text-primary);
    color: #FFFFFF;
    transform: translateY(-2px);
}

.btn-whatsapp {
    background: var(--whatsapp-green);
    color: #FFFFFF;
}

.btn-whatsapp:hover {
    background: var(--whatsapp-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp-nav {
    background: rgba(37, 211, 102, 0.1);
    color: var(--whatsapp-dark);
    border: 1px solid rgba(37, 211, 102, 0.3);
    padding: 0.55rem 1.2rem;
    font-size: 0.9rem;
}

.btn-whatsapp-nav:hover {
    background: var(--whatsapp-green);
    color: #FFFFFF;
}

/* Fine Soft Header Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.4rem 0;
    transition: var(--transition);
    background: rgba(251, 251, 250, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-light);
}

.navbar.scrolled {
    padding: 0.9rem 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--text-primary);
    color: var(--bg-main);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-family: 'Outfit', sans-serif;
    font-size: 1.35rem;
    font-weight: 400;
    letter-spacing: 0.5px;
    color: var(--text-primary);
}

.brand-name span {
    color: var(--accent-bronze);
    font-weight: 600;
}

.brand-tagline {
    font-size: 0.68rem;
    color: var(--text-light);
    letter-spacing: 0.8px;
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2.2rem;
}

.nav-link {
    font-family: 'Outfit', sans-serif;
    font-weight: 400;
    font-size: 0.92rem;
    color: var(--text-secondary);
    position: relative;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 100%;
    height: 1.5px;
    background: var(--accent-bronze);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.4rem;
    cursor: pointer;
}

/* Soft Hero Section with High Visual Prominence */
.hero {
    position: relative;
    min-height: 92vh;
    padding: 10rem 0 6rem;
    display: flex;
    align-items: center;
    background: linear-gradient(180deg, #F5F4EF 0%, var(--bg-main) 100%);
    overflow: hidden;
}

.hero-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    color: var(--accent-bronze);
    padding: 0.45rem 1.2rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 300;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
    color: var(--text-primary);
}

.hero-title strong {
    font-weight: 600;
    color: var(--accent-bronze);
}

.hero-description {
    font-size: 1.15rem;
    font-weight: 300;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1.2rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.hero-image-showcase {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-hover);
    height: 480px;
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.hero-image-showcase img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

.hero-image-showcase:hover img {
    transform: scale(1.04);
}

.hero-img-badge {
    position: absolute;
    bottom: 1.5rem;
    left: 1.5rem;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(10px);
    padding: 0.8rem 1.4rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.hero-img-badge i {
    color: var(--accent-bronze);
    font-size: 1.2rem;
}

.hero-img-badge span {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* Features Trust Bar */
.trust-bar {
    padding: 3rem 0;
    background: var(--bg-card);
    border-y: 1px solid var(--border-light);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
}

.trust-card {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    padding: 0.5rem;
}

.trust-icon {
    width: 50px;
    height: 50px;
    background: var(--bg-alt);
    color: var(--accent-bronze);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.trust-card strong {
    display: block;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
}

.trust-card span {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Services Section - Prominent Imagery & Fine Typography */
.services-section {
    padding: 7rem 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 2.5rem;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-soft);
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: var(--accent-bronze-border);
}

.service-card.featured {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
}

.service-img-container {
    position: relative;
    height: 280px;
    overflow: hidden;
}

.service-card.featured .service-img-container {
    height: 100%;
    min-height: 340px;
}

.service-img-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.service-card:hover .service-img-container img {
    transform: scale(1.06);
}

.service-tag {
    position: absolute;
    top: 1.2rem;
    left: 1.2rem;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
    color: var(--text-primary);
    font-size: 0.78rem;
    font-weight: 500;
    padding: 0.35rem 1rem;
    border-radius: 50px;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.service-content {
    padding: 2.2rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.service-title {
    font-size: 1.6rem;
    font-weight: 400;
    margin-bottom: 0.8rem;
    color: var(--text-primary);
}

.service-text {
    color: var(--text-secondary);
    font-size: 0.98rem;
    font-weight: 300;
    margin-bottom: 1.5rem;
    line-height: 1.7;
    flex-grow: 1;
}

.service-features {
    margin-bottom: 1.5rem;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.service-features li i {
    color: var(--accent-bronze);
    font-size: 0.85rem;
}

.service-cta {
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid var(--border-light);
}

/* Prominent HD Gallery Section */
.gallery-section {
    padding: 7rem 0;
    background: var(--bg-alt);
}

.filter-buttons {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    flex-wrap: wrap;
    margin-bottom: 3.5rem;
}

.filter-btn {
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border-light);
    padding: 0.65rem 1.6rem;
    border-radius: 50px;
    font-family: 'Outfit', sans-serif;
    font-weight: 400;
    font-size: 0.92rem;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
    background: var(--text-primary);
    color: #FFFFFF;
    border-color: var(--text-primary);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

.gallery-card {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    height: 320px;
    background: var(--bg-card);
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border-light);
}

.gallery-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.gallery-card:hover img {
    transform: scale(1.08);
}

.gallery-info {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(28, 31, 38, 0.88) 100%);
    padding: 1.8rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    opacity: 0;
    transition: var(--transition);
}

.gallery-card:hover .gallery-info {
    opacity: 1;
}

.gallery-category {
    color: var(--accent-bronze);
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.gallery-title {
    color: #FFFFFF;
    font-size: 1.2rem;
    font-weight: 400;
    margin-bottom: 1rem;
}

.btn-view-hd {
    align-self: flex-start;
    background: rgba(255, 255, 255, 0.9);
    color: var(--text-primary);
    border: none;
    padding: 0.5rem 1.1rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.btn-view-hd:hover {
    background: var(--accent-bronze);
    color: #FFFFFF;
}

/* Custom Specification Builder (Simplified & Professional - No Money Values) */
.builder-section {
    padding: 7rem 0;
}

.builder-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 3.5rem;
    box-shadow: var(--shadow-hover);
}

.builder-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 3.5rem;
}

.form-group {
    margin-bottom: 2rem;
}

.form-label {
    display: block;
    font-family: 'Outfit', sans-serif;
    font-weight: 500;
    font-size: 1rem;
    margin-bottom: 0.7rem;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 0.95rem 1.2rem;
    background: var(--bg-main);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.98rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-bronze);
    box-shadow: 0 0 0 3px var(--accent-bronze-soft);
}

.label-val-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.val-badge {
    color: var(--accent-bronze);
    font-weight: 600;
    font-size: 1.05rem;
}

.form-range {
    width: 100%;
    accent-color: var(--accent-bronze);
    height: 6px;
    background: #E2E8F0;
    border-radius: 3px;
    cursor: pointer;
}

.material-selector {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.mat-option {
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 1.1rem;
    background: var(--bg-main);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
}

.mat-option input {
    margin-top: 0.25rem;
    accent-color: var(--accent-bronze);
}

.mat-option.active, .mat-option:hover {
    border-color: var(--accent-bronze);
    background: var(--bg-card);
    box-shadow: 0 4px 15px rgba(0,0,0,0.03);
}

.mat-text strong {
    display: block;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
}

.mat-text span {
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.checkbox-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem;
}

.custom-checkbox {
    background: var(--bg-main);
    border: 1px solid var(--border-light);
    padding: 0.85rem 1.1rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.9rem;
    transition: var(--transition);
}

.custom-checkbox input {
    accent-color: var(--accent-bronze);
}

.custom-checkbox:hover {
    border-color: var(--accent-bronze);
}

.summary-box {
    background: var(--bg-alt);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.summary-title {
    font-size: 1.3rem;
    font-weight: 400;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.summary-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1.8rem;
}

.summary-list {
    margin-bottom: 2rem;
}

.summary-list li {
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.95rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.summary-list li i {
    color: var(--accent-bronze);
}

/* Simple 4-Step Process Section */
.process-section {
    padding: 7rem 0;
    background: var(--bg-main);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2rem;
}

.process-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    padding: 2.5rem 2rem;
    border-radius: var(--radius-lg);
    position: relative;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
}

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

.process-num {
    font-family: 'Outfit', sans-serif;
    font-size: 2.5rem;
    font-weight: 300;
    color: var(--accent-bronze);
    margin-bottom: 1.2rem;
}

.process-card h3 {
    font-size: 1.3rem;
    font-weight: 400;
    margin-bottom: 0.8rem;
}

.process-card p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.7;
}

/* Testimonials Section */
.testimonials-section {
    padding: 7rem 0;
    background: var(--bg-alt);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
}

.stars {
    color: var(--accent-bronze);
    margin-bottom: 1.2rem;
    font-size: 0.85rem;
}

.testimonial-quote {
    color: var(--text-primary);
    font-weight: 300;
    font-style: italic;
    font-size: 1.02rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.author-box {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 44px;
    height: 44px;
    background: var(--bg-alt);
    color: var(--text-primary);
    font-weight: 600;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    border: 1px solid var(--border-light);
}

.author-name {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.author-role {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Contact Section */
.contact-section {
    padding: 7rem 0;
    background: var(--bg-main);
}

.contact-box {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 4rem;
    box-shadow: var(--shadow-hover);
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
}

.contact-details h2 {
    font-size: 2.4rem;
    font-weight: 300;
    margin-bottom: 1rem;
}

.contact-details p {
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
}

.c-method {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.c-method i {
    width: 46px;
    height: 46px;
    background: var(--bg-alt);
    color: var(--accent-bronze);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.c-method strong {
    display: block;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-primary);
}

.c-method span, .c-method a {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.alert-success {
    background: rgba(37, 211, 102, 0.1);
    border: 1px solid rgba(37, 211, 102, 0.3);
    color: var(--whatsapp-dark);
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-top: 1rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.92rem;
}

.hidden {
    display: none !important;
}

/* Footer */
.footer {
    background: var(--text-primary);
    color: #FFFFFF;
    padding: 5rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-brand p {
    color: #94A3B8;
    font-size: 0.9rem;
    margin-top: 1.2rem;
    max-width: 420px;
    line-height: 1.7;
}

.footer-col h4 {
    font-size: 1.05rem;
    font-weight: 400;
    color: var(--accent-bronze);
    margin-bottom: 1.5rem;
}

.footer-col li {
    margin-bottom: 0.8rem;
}

.footer-col a {
    color: #CBD5E1;
    font-size: 0.9rem;
}

.footer-col a:hover {
    color: #FFFFFF;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.85rem;
    color: #94A3B8;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

/* Lightbox Modal */
.lightbox-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(18, 20, 26, 0.95);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    backdrop-filter: blur(8px);
}

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

.lightbox-close {
    position: absolute;
    top: 2rem;
    right: 2.5rem;
    font-size: 2.5rem;
    color: #FFFFFF;
    cursor: pointer;
}

.lightbox-content {
    max-width: 950px;
    width: 100%;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 25px 60px rgba(0,0,0,0.5);
}

.lightbox-content img {
    width: 100%;
    max-height: 70vh;
    object-fit: cover;
}

.lightbox-details {
    padding: 2rem;
}

.lightbox-details h3 {
    font-size: 1.4rem;
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

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

/* Floating WhatsApp Button */
.floating-whatsapp {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 58px;
    height: 58px;
    background: var(--whatsapp-green);
    color: #FFFFFF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition);
}

.floating-whatsapp:hover {
    transform: scale(1.08);
}

/* Responsive Queries */
@media (max-width: 992px) {
    .hero-wrapper {
        grid-template-columns: 1fr;
    }
    .hero-image-showcase {
        height: 380px;
    }
    .service-card.featured {
        grid-template-columns: 1fr;
    }
    .builder-grid {
        grid-template-columns: 1fr;
    }
    .contact-box {
        grid-template-columns: 1fr;
        padding: 2.5rem;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--bg-main);
        flex-direction: column;
        justify-content: center;
        transition: var(--transition);
    }
    .nav-menu.active {
        left: 0;
    }
    .mobile-toggle {
        display: block;
    }
    .hero-title {
        font-size: 2.4rem;
    }
    .services-grid {
        grid-template-columns: 1fr;
    }
    .material-selector, .checkbox-group {
        grid-template-columns: 1fr;
    }
}