/* ============================================
   PAVIFORMA — Design System
   Colors: Orange #F07320 / Charcoal #2D3436
   ============================================ */

:root {
    /* Brand Colors */
    --primary: #F07320;
    --primary-dark: #D4621A;
    --primary-light: #FF8C42;
    --primary-glow: rgba(240, 115, 32, 0.15);
    
    --dark: #2D3436;
    --dark-soft: #4F565C;
    --dark-muted: #636E72;
    
    --light: #F8F9FA;
    --light-warm: #FFF8F2;
    --white: #FFFFFF;
    --border: #E8E8E8;
    
    /* Glassmorphism */
    --glass: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.3);
    
    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --section-padding: clamp(4rem, 8vw, 7rem);
    --container-max: 1200px;
    
    /* Transitions */
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.12);
    --shadow-orange: 0 8px 30px rgba(240, 115, 32, 0.25);
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
}

/* ============================================
   RESET & BASE
   ============================================ */

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--dark);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

a:hover {
    color: var(--primary-dark);
}

ul {
    list-style: none;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 clamp(1.25rem, 4vw, 2rem);
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 800;
    line-height: 1.15;
    color: var(--dark);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }

.highlight {
    color: var(--primary);
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
    justify-content: center;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-orange);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
    background: var(--white);
    color: var(--dark);
    border-color: var(--white);
}

.btn-outline-light {
    background: transparent;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.6);
}

.btn-outline-light:hover {
    background: var(--white);
    color: var(--primary);
    border-color: var(--white);
}

.btn-lg {
    padding: 1rem 2.25rem;
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

/* ============================================
   HEADER
   ============================================ */

header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: all var(--transition);
}

header.scrolled {
    background: var(--glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    padding: 0.6rem 0;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    color: inherit;
    transition: transform var(--transition);
}

.logo:hover {
    transform: scale(1.03);
    color: inherit;
}

.logo-icon {
    width: 44px;
    height: auto;
    flex-shrink: 0;
}

.logo-img-icon {
    width: 100%;
    height: auto;
    filter: brightness(0) invert(1); /* white on dark header */
    transition: filter var(--transition);
}

header.scrolled .logo-img-icon {
    filter: none; /* original dark color on scrolled header */
}

.logo-text {
    display: flex;
    flex-direction: column;
    gap: 1px;
    line-height: 1;
}

.logo-img-text {
    height: 22px;
    width: auto;
    filter: brightness(10); /* make bright on dark hero */
    transition: filter var(--transition);
}

header.scrolled .logo-img-text {
    filter: none; /* original colors on scrolled header */
}

.logo-sub {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.5rem;
    font-weight: 700;
    letter-spacing: 3.5px;
    color: rgba(255,255,255,0.6);
    text-transform: uppercase;
    margin-top: 1px;
    transition: color var(--transition);
}

header.scrolled .logo-sub {
    color: var(--dark-muted);
}

/* Navigation */
#main-nav ul {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

#main-nav a {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    letter-spacing: 0.3px;
}

header.scrolled #main-nav a {
    color: var(--dark);
}

#main-nav a:hover {
    color: var(--primary);
    background: var(--primary-glow);
}

.nav-cta {
    background: var(--primary) !important;
    color: var(--white) !important;
    padding: 0.5rem 1.25rem !important;
}

.nav-cta:hover {
    background: var(--primary-dark) !important;
    transform: translateY(-1px);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2.5px;
    background: var(--white);
    border-radius: 3px;
    transition: all var(--transition);
}

header.scrolled .hamburger span {
    background: var(--dark);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   HERO
   ============================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.hero-bg picture {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-bg .hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
    will-change: opacity, transform;
}

.hero-bg .hero-slide.active {
    opacity: 1;
}

.hero-bg .hero-slide.zoom {
    animation: hero-zoom 25s infinite alternate ease-in-out;
}

@keyframes hero-zoom {
    from { transform: scale(1); }
    to { transform: scale(1.12); }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(
        135deg,
        rgba(45, 52, 54, 0.92) 0%,
        rgba(45, 52, 54, 0.7) 40%,
        rgba(240, 115, 32, 0.3) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 8rem 0 4rem;
    color: var(--white);
}

.hero-badge {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--primary);
    background: rgba(240, 115, 32, 0.15);
    border: 1px solid rgba(240, 115, 32, 0.3);
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease-out;
}

.hero h1 {
    color: var(--white);
    margin-bottom: 1.25rem;
    animation: fadeInUp 0.8s ease-out 0.1s both;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: rgba(255, 255, 255, 0.8);
    max-width: 550px;
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

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

.stat-number {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 900;
    color: var(--primary);
}

.stat-label {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.15);
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    animation: bounce 2s infinite;
}

.hero-scroll a {
    color: rgba(255, 255, 255, 0.5);
    transition: color var(--transition);
}

.hero-scroll a:hover {
    color: var(--primary);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

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

/* ============================================
   SECTION HEADERS
   ============================================ */

.section-header {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 3.5rem;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 0.75rem;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--dark-muted);
    margin-top: 1rem;
}

/* ============================================
   SERVICES
   ============================================ */

.services {
    padding: var(--section-padding) 0;
    background: var(--light);
}

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

.service-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-slow);
    border: 1px solid var(--border);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(240, 115, 32, 0.2);
}

.service-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.service-number {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.3);
    line-height: 1;
}

.service-body {
    padding: 1.75rem;
}

.service-body h3 {
    margin-bottom: 0.75rem;
    color: var(--dark);
}

.service-body p {
    font-size: 0.9rem;
    color: var(--dark-muted);
    margin-bottom: 1.25rem;
    line-height: 1.6;
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.service-features li {
    font-size: 0.85rem;
    color: var(--dark-soft);
    padding-left: 1.25rem;
    position: relative;
    font-weight: 500;
}

.service-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
}

/* ============================================
   GALLERY
   ============================================ */

.gallery {
    padding: var(--section-padding) 0;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 4/3;
    box-shadow: var(--shadow-sm);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(45, 52, 54, 0.7) 0%, transparent 50%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition);
}

.gallery-overlay svg {
    color: var(--white);
    width: 40px;
    height: 40px;
    padding: 8px;
    background: rgba(240, 115, 32, 0.8);
    border-radius: 50%;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

/* ============================================
   ABOUT
   ============================================ */

.about {
    padding: var(--section-padding) 0;
    background: var(--light);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-content .section-tag {
    display: block;
    text-align: left;
}

.about-content h2 {
    margin-bottom: 1.5rem;
}

.about-content p {
    color: var(--dark-muted);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-top: 2rem;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

.about-feature:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.about-feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-glow);
    border-radius: var(--radius-sm);
    color: var(--primary);
    flex-shrink: 0;
}

.about-feature strong {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    color: var(--dark);
}

.about-feature span {
    font-size: 0.8rem;
    color: var(--dark-muted);
}

/* Clients Card */
.clients-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
    position: sticky;
    top: 100px;
}

.clients-card h3 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--primary);
}

.client-types {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.client-type h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--primary);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.client-type ul {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.client-type li {
    font-size: 0.85rem;
    color: var(--dark-soft);
    padding-left: 1rem;
    position: relative;
}

.client-type li::before {
    content: '›';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

/* ============================================
   CTA SECTION
   ============================================ */

.cta-section {
    padding: var(--section-padding) 0;
    background: linear-gradient(135deg, var(--dark) 0%, #1a1d1f 100%);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(240, 115, 32, 0.15), transparent 70%);
    pointer-events: none;
}

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

.cta-content h2 {
    color: var(--white);
    margin-bottom: 1rem;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.7);
    max-width: 550px;
    margin: 0 auto 2rem;
    font-size: 1.05rem;
}

.cta-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   CONTACT
   ============================================ */

.contact {
    padding: var(--section-padding) 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-card {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.contact-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-glow);
    border-radius: var(--radius-sm);
    color: var(--primary);
    flex-shrink: 0;
}

.contact-item strong {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--dark);
    display: block;
    margin-bottom: 0.25rem;
}

.contact-item p {
    font-size: 0.9rem;
    color: var(--dark-muted);
    margin: 0;
    line-height: 1.6;
}

.contact-item a {
    color: var(--dark-soft);
    font-weight: 500;
}

.contact-item a:hover {
    color: var(--primary);
}

.map-container {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--light);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    border: 1px solid var(--border);
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group label {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    font-family: var(--font-body);
    font-size: 0.9rem;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--white);
    color: var(--dark);
    transition: all var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #B2BEC3;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23636E72' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 4rem 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 2.5rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    margin-bottom: 1rem;
}

.footer-logo-img {
    height: 70px;
    width: auto;
    filter: brightness(0) invert(1);
    opacity: 0.9;
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
    max-width: 280px;
}

.footer-links h4,
.footer-contact h4 {
    color: var(--white);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1.25rem;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    transition: all var(--transition);
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 4px;
}

.footer-contact p {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.6);
}

.footer-contact a:hover {
    color: var(--primary);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 0;
    font-size: 0.8rem;
}

.footer-legal {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.8rem;
}

.footer-legal:hover {
    color: var(--primary);
}

/* ============================================
   WHATSAPP BUTTON
   ============================================ */

.whatsapp-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 56px;
    height: 56px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: all var(--transition);
    animation: whatsapp-pulse 2s infinite;
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
}

@keyframes whatsapp-pulse {
    0% { box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6), 0 0 0 10px rgba(37, 211, 102, 0.1); }
    100% { box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4); }
}

/* ============================================
   LIGHTBOX
   ============================================ */

.lightbox {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(45, 52, 54, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.lightbox.active {
    opacity: 1;
    pointer-events: all;
}

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.lightbox-content img {
    max-width: 90vw;
    max-height: 80vh;
    object-fit: contain;
    border-radius: var(--radius-sm);
    transition: transform var(--transition);
}

.lightbox-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--white);
    font-size: 1.75rem;
    cursor: pointer;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10001;
    transition: all var(--transition);
}

.lightbox-close:hover {
    background: rgba(240, 115, 32, 0.8);
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--white);
    cursor: pointer;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10001;
    transition: all var(--transition);
}

.lightbox-prev { left: 1.5rem; }
.lightbox-next { right: 1.5rem; }

.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(240, 115, 32, 0.8);
}

.lightbox-counter {
    color: rgba(255, 255, 255, 0.6);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    margin-top: 1rem;
    font-weight: 600;
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: 1fr;
        max-width: 600px;
        margin: 0 auto;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .clients-card {
        position: static;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    #main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 350px;
        height: 100vh;
        background: var(--white);
        padding: 6rem 2rem 2rem;
        transition: right var(--transition-slow);
        box-shadow: var(--shadow-lg);
        z-index: 1000;
    }
    
    #main-nav.open {
        right: 0;
    }
    
    #main-nav ul {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    #main-nav a {
        color: var(--dark) !important;
        font-size: 1rem;
        padding: 0.75rem 1rem;
        display: block;
    }
    
    .hero-stats {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .stat-divider {
        display: none;
    }
    
    .hero-stats {
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .contact-form-wrapper {
        padding: 1.5rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 0.75rem;
        text-align: center;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .lightbox-prev { left: 0.5rem; }
    .lightbox-next { right: 0.5rem; }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .btn-lg {
        padding: 0.85rem 1.75rem;
        font-size: 0.9rem;
    }
    
    .logo-icon {
        width: 40px;
        height: 40px;
    }
    
    .logo-pavi, .logo-forma {
        font-size: 1.2rem;
    }
}