/**
 * CREO ARCHITEKT - Main Stylesheet
 * Dark Theme Architecture Portfolio
 *
 * @package CreoArchitekt
 * @since 1.0.0
 */

/* ========================================
   CSS Custom Properties (Variables)
   ======================================== */
:root {
    /* Colors - Dark Theme */
    --color-bg-primary: #0a0a0a;
    --color-bg-secondary: #111111;
    --color-bg-tertiary: #1a1a1a;
    --color-bg-card: #161616;
    --color-bg-card-hover: #1e1e1e;

    --color-text-primary: #f5f5f5;
    --color-text-secondary: #b0b0b0;
    --color-text-muted: #666666;
    --color-text-accent: #d4a853;

    --color-accent: #d4a853;
    --color-accent-hover: #e6bc6a;
    --color-accent-dark: #b8913f;

    --color-border: #2a2a2a;
    --color-border-light: #333333;

    --color-overlay: rgba(0, 0, 0, 0.7);
    --color-overlay-dark: rgba(0, 0, 0, 0.85);

    --color-success: #4caf50;
    --color-error: #f44336;
    --color-white: #ffffff;
    --color-black: #000000;

    /* Typography */
    --font-primary: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Playfair Display', Georgia, 'Times New Roman', serif;

    --fs-xs: 0.75rem;
    --fs-sm: 0.875rem;
    --fs-base: 1rem;
    --fs-md: 1.125rem;
    --fs-lg: 1.25rem;
    --fs-xl: 1.5rem;
    --fs-2xl: 2rem;
    --fs-3xl: 2.5rem;
    --fs-4xl: 3.5rem;
    --fs-5xl: 4.5rem;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 5rem;
    --space-3xl: 8rem;

    /* Layout */
    --container-width: 1200px;
    --container-wide: 1400px;
    --container-narrow: 800px;
    --header-height: 80px;
    --header-height-scrolled: 64px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-slower: 0.8s ease;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-accent: 0 4px 20px rgba(212, 168, 83, 0.3);

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-round: 50%;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: var(--fs-base);
    font-weight: 400;
    line-height: 1.7;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    overflow-x: hidden;
}

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

a:hover {
    color: var(--color-accent-hover);
}

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

ul, ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-text-primary);
}

::selection {
    background-color: var(--color-accent);
    color: var(--color-black);
}

/* ========================================
   Preloader / Splash Screen
   ======================================== */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.preloader-inner {
    text-align: center;
}

.preloader-logo {
    max-width: 350px;
    width: 80vw;
    opacity: 0;
    transform: scale(0.8);
    animation: preloaderLogoIn 1.2s ease forwards;
}

.preloader-logo-small {
    max-width: 80px;
    opacity: 0;
    animation: preloaderLogoIn 0.6s ease forwards;
}

.preloader-bar {
    width: 200px;
    height: 2px;
    background-color: var(--color-border);
    margin: 30px auto 0;
    overflow: hidden;
    opacity: 0;
    animation: fadeIn 0.5s ease 0.5s forwards;
}

.preloader-bar-inner {
    width: 0;
    height: 100%;
    background-color: var(--color-accent);
    animation: preloaderBar 2s ease 0.7s forwards;
}

@keyframes preloaderLogoIn {
    0% { opacity: 0; transform: scale(0.8); }
    100% { opacity: 1; transform: scale(1); }
}

@keyframes preloaderBar {
    0% { width: 0; }
    100% { width: 100%; }
}

@keyframes fadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

.preloader-mini .preloader-logo-small {
    max-width: 60px;
}

/* ========================================
   Site Wrapper
   ======================================== */
.site-wrapper {
    opacity: 0;
    transition: opacity 0.5s ease;
}

.site-wrapper.visible {
    opacity: 1;
}

/* ========================================
   Header / Navigation
   ======================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 0 40px;
    height: var(--header-height);
    display: flex;
    align-items: center;
    background-color: transparent;
    transition: all var(--transition-base);
}

.site-header.scrolled {
    background-color: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    height: var(--header-height-scrolled);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

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

/* Brand / Logo */
.header-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--color-text-primary);
    transition: opacity var(--transition-fast);
}

.header-brand:hover {
    opacity: 0.8;
    color: var(--color-text-primary);
}

.header-logo {
    height: 42px;
    width: auto;
    transition: height var(--transition-base);
}

.scrolled .header-logo {
    height: 34px;
}

.header-brand-info {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.brand-name {
    font-family: var(--font-heading);
    font-size: var(--fs-lg);
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--color-text-primary);
}

.brand-tagline {
    font-size: var(--fs-xs);
    font-weight: 300;
    letter-spacing: 5px;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-top: 2px;
}

/* Desktop Navigation */
.header-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 0;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: block;
    padding: 10px 20px;
    font-size: var(--fs-sm);
    font-weight: 500;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 20px;
    right: 20px;
    height: 2px;
    background-color: var(--color-accent);
    transform: scaleX(0);
    transition: transform var(--transition-base);
    transform-origin: center;
}

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

.nav-link:hover::after,
.nav-item.active .nav-link::after,
.nav-item.current-menu-item .nav-link::after {
    transform: scaleX(1);
}

/* Header Right */
.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* Social Icons */
.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-round);
    color: var(--color-text-secondary);
    font-size: var(--fs-sm);
    transition: var(--transition-base);
}

.social-icon:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

.header-social {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: var(--space-md);
}

.footer-social .social-icon {
    width: 40px;
    height: 40px;
    font-size: var(--fs-base);
}

.side-menu-social {
    display: flex;
    gap: 12px;
    margin-top: var(--space-sm);
    justify-content: center;
}

.side-menu-social .social-icon {
    color: var(--color-text-primary);
    border-color: var(--color-border-light);
}

/* Hamburger Menu */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.hamburger {
    display: flex;
    flex-direction: column;
    gap: 6px;
    width: 28px;
}

.hamburger-line {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: all var(--transition-base);
    transform-origin: center;
}

.menu-toggle.active .hamburger-line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.menu-toggle.active .hamburger-line:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Side Menu (Mobile) */
.side-menu {
    position: fixed;
    top: 0;
    right: -320px;
    width: 320px;
    height: 100vh;
    background-color: var(--color-bg-secondary);
    z-index: 9999;
    transition: right var(--transition-slow);
    display: flex;
    flex-direction: column;
    padding: 80px 30px 30px;
    overflow-y: auto;
}

.side-menu.active {
    right: 0;
}

.side-menu-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-size: var(--fs-xl);
    cursor: pointer;
    padding: 10px;
    transition: color var(--transition-fast);
}

.side-menu-close:hover {
    color: var(--color-accent);
}

.side-menu-list {
    margin-bottom: var(--space-xl);
}

.side-menu-list li {
    border-bottom: 1px solid var(--color-border);
}

.side-menu-list li:first-child {
    border-top: 1px solid var(--color-border);
}

.side-menu-list a {
    display: block;
    padding: 16px 0;
    font-size: var(--fs-md);
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.side-menu-list a:hover,
.side-menu-list .active a,
.side-menu-list .current-menu-item a {
    color: var(--color-accent);
    padding-left: 10px;
}

.side-menu-footer {
    margin-top: auto;
}

.side-menu-contact a {
    display: block;
    color: var(--color-text-muted);
    font-size: var(--fs-sm);
    margin-bottom: var(--space-xs);
}

.side-menu-copyright {
    color: var(--color-text-muted);
    font-size: var(--fs-xs);
    margin-top: var(--space-md);
}

.side-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.side-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ========================================
   Containers & Layout
   ======================================== */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.container-wide {
    max-width: var(--container-wide);
}

.container-narrow {
    max-width: var(--container-narrow);
}

/* ========================================
   Sections
   ======================================== */
.section {
    padding: var(--space-3xl) 0;
    position: relative;
}

.section-dark {
    background-color: var(--color-bg-primary);
}

.section-darker {
    background-color: var(--color-bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-label {
    display: inline-block;
    font-size: var(--fs-xs);
    font-weight: 600;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.section-title {
    font-size: var(--fs-3xl);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
    letter-spacing: 1px;
    margin-bottom: var(--space-sm);
}

.section-divider {
    width: 60px;
    height: 2px;
    background-color: var(--color-accent);
    margin-bottom: var(--space-lg);
}

.section-divider.center {
    margin-left: auto;
    margin-right: auto;
}

.section-text {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
    font-size: var(--fs-base);
    line-height: 1.8;
}

.section-text-accent {
    color: var(--color-text-primary);
    font-weight: 500;
}

.section-text-italic {
    font-style: italic;
    color: var(--color-accent);
}

.section-cta {
    text-align: center;
    margin-top: var(--space-2xl);
}

.lead-text {
    font-size: var(--fs-md);
    color: var(--color-text-secondary);
    line-height: 1.9;
    text-align: center;
}

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

/* Grid */
.section-grid {
    display: grid;
    gap: var(--space-2xl);
}

.section-grid.two-cols {
    grid-template-columns: 1fr 1fr;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-family: var(--font-primary);
    font-size: var(--fs-sm);
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    text-decoration: none;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

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

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

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

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

.btn-lg {
    padding: 16px 40px;
    font-size: var(--fs-sm);
}

.btn-sm {
    padding: 10px 24px;
    font-size: var(--fs-xs);
}

.btn-block {
    display: flex;
    width: 100%;
}

/* ========================================
   Hero Section
   ======================================== */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.5s ease;
    transform: scale(1);
}

.hero-slide.active {
    opacity: 1;
    animation: heroZoom 8s ease forwards;
}

@keyframes heroZoom {
    0% { transform: scale(1); }
    100% { transform: scale(1.08); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.7) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 0 20px;
}

.hero-content-inner {
    max-width: 800px;
    margin: 0 auto;
}

.hero-tagline-box {
    display: inline-block;
    background-color: var(--color-accent);
    padding: 12px 32px;
    margin-bottom: var(--space-lg);
    opacity: 0;
    animation: heroFadeUp 0.8s ease 0.2s forwards;
}

.hero-tagline-text {
    font-family: var(--font-heading);
    font-size: var(--fs-lg);
    font-weight: 600;
    color: var(--color-black);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.hero-subtitle {
    display: inline-block;
    font-size: var(--fs-sm);
    font-weight: 500;
    letter-spacing: 6px;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
    opacity: 0;
    animation: heroFadeUp 0.8s ease 0.3s forwards;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: var(--fs-5xl);
    font-weight: 700;
    letter-spacing: 8px;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    opacity: 0;
    animation: heroFadeUp 0.8s ease 0.5s forwards;
}

.hero-title-accent {
    color: var(--color-accent);
    font-weight: 400;
    letter-spacing: 12px;
}

.hero-description {
    font-size: var(--fs-md);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-xl);
    line-height: 1.8;
    opacity: 0;
    animation: heroFadeUp 0.8s ease 0.7s forwards;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: heroFadeUp 0.8s ease 0.9s forwards;
}

@keyframes heroFadeUp {
    0% { opacity: 0; transform: translateY(30px); }
    100% { opacity: 1; transform: translateY(0); }
}

/* Hero Scroll Indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    opacity: 0;
    animation: heroFadeUp 0.8s ease 1.2s forwards;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--color-text-secondary);
    border-radius: 14px;
    position: relative;
}

.mouse-wheel {
    width: 4px;
    height: 8px;
    background-color: var(--color-accent);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: mouseScroll 1.5s infinite;
}

@keyframes mouseScroll {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
}

.hero-scroll-indicator span {
    font-size: var(--fs-xs);
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

/* Hero Dots */
.hero-dots {
    position: absolute;
    bottom: 40px;
    right: 40px;
    z-index: 10;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.hero-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--color-text-secondary);
    background: transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    padding: 0;
}

.hero-dot.active {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
}

/* ========================================
   Page Header (Subpages)
   ======================================== */
.page-header {
    position: relative;
    height: 50vh;
    min-height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    margin-top: 0;
}

.page-header-compact {
    height: 40vh;
    min-height: 300px;
}

.page-header-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0.8) 100%);
}

.page-header-content {
    position: relative;
    z-index: 10;
    text-align: center;
}

.page-header-title {
    font-size: var(--fs-4xl);
    font-weight: 700;
    letter-spacing: 6px;
    text-transform: uppercase;
    margin-bottom: var(--space-sm);
}

.page-header-subtitle {
    font-size: var(--fs-md);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.breadcrumbs {
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
}

.breadcrumbs a {
    color: var(--color-text-secondary);
}

.breadcrumbs a:hover {
    color: var(--color-accent);
}

.breadcrumb-sep {
    margin: 0 8px;
    color: var(--color-text-muted);
}

.breadcrumb-current {
    color: var(--color-accent);
}

/* ========================================
   About Section (Home)
   ======================================== */
.about-image-wrapper {
    position: relative;
    overflow: hidden;
    background-color: var(--color-bg-primary);
}

.about-image {
    width: 100%;
    max-width: 450px;
    height: auto;
    -webkit-mask-image: linear-gradient(to bottom, black 50%, transparent 95%);
    mask-image: linear-gradient(to bottom, black 50%, transparent 95%);
}

.about-image-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.9));
    padding: 40px 30px 30px;
    z-index: 2;
}

.caption-name {
    display: block;
    font-family: var(--font-heading);
    font-size: var(--fs-xl);
    font-weight: 600;
    margin-bottom: 4px;
}

.caption-title {
    display: block;
    font-size: var(--fs-sm);
    color: var(--color-accent);
    margin-bottom: 2px;
}

.caption-cert {
    display: block;
    font-size: var(--fs-xs);
    color: var(--color-text-muted);
}

/* ========================================
   Services Cards (Home Preview)
   ======================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.service-card {
    background-color: var(--color-bg-card);
    padding: var(--space-xl);
    text-align: center;
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--color-accent);
    transform: scaleX(0);
    transition: transform var(--transition-base);
    transform-origin: left;
}

.service-card:hover {
    background-color: var(--color-bg-card-hover);
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-card-icon img {
    max-width: 100%;
    max-height: 100%;
    filter: brightness(0.9);
    transition: filter var(--transition-base);
}

.service-card:hover .service-card-icon img {
    filter: brightness(1.1);
}

.service-card-title {
    font-size: var(--fs-md);
    font-weight: 600;
    margin-bottom: var(--space-sm);
    font-family: var(--font-primary);
}

.service-card-text {
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* ========================================
   Offer Tiles (Oferta Page)
   ======================================== */
.offer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.offer-tile {
    perspective: 1000px;
    min-height: 380px;
}

.offer-tile-inner {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 380px;
    transition: transform 0.6s ease;
    transform-style: preserve-3d;
}

.offer-tile:hover .offer-tile-inner {
    transform: rotateY(180deg);
}

.offer-tile-front,
.offer-tile-back {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
    text-align: center;
    border: 1px solid var(--color-border);
    background-color: var(--color-bg-card);
}

.offer-tile-back {
    transform: rotateY(180deg);
    background-color: var(--color-bg-tertiary);
    justify-content: space-between;
    padding-top: var(--space-lg);
    padding-bottom: var(--space-lg);
    overflow-y: auto;
}

.offer-tile-icon {
    width: 90px;
    height: 90px;
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.offer-tile-icon img {
    max-width: 100%;
    max-height: 100%;
}

.offer-tile-title {
    font-size: var(--fs-lg);
    font-weight: 600;
    margin-bottom: var(--space-sm);
    font-family: var(--font-primary);
}

.offer-tile-short {
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.offer-tile-more {
    font-size: var(--fs-xs);
    color: var(--color-accent);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.offer-tile-description {
    font-size: var(--fs-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-md);
    text-align: left;
    flex: 1;
}

.offer-tile-back .btn {
    flex-shrink: 0;
    margin-top: auto;
}

/* ========================================
   Process Timeline
   ======================================== */
.process-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 50px;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--color-border);
}

.process-step {
    display: flex;
    align-items: flex-start;
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
    position: relative;
}

.process-step:last-child {
    margin-bottom: 0;
}

.process-step-number {
    flex-shrink: 0;
    width: 100px;
    font-family: var(--font-heading);
    font-size: var(--fs-3xl);
    font-weight: 700;
    color: var(--color-accent);
    text-align: center;
    position: relative;
}

.process-step-number::after {
    content: '';
    position: absolute;
    right: -12px;
    top: 50%;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--color-accent);
    transform: translateY(-50%);
}

.process-step-content h3 {
    font-size: var(--fs-xl);
    font-weight: 600;
    margin-bottom: var(--space-xs);
    font-family: var(--font-primary);
}

.process-step-content p {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ========================================
   Portfolio Grid / Masonry
   ======================================== */
.portfolio-filter {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 24px;
    font-family: var(--font-primary);
    font-size: var(--fs-sm);
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--color-text-secondary);
    background: transparent;
    border: 1px solid var(--color-border);
    cursor: pointer;
    transition: all var(--transition-base);
}

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

.masonry-grid {
    columns: 3;
    column-gap: var(--space-sm);
}

.masonry-item {
    break-inside: avoid;
    margin-bottom: var(--space-sm);
    transition: opacity var(--transition-base), transform var(--transition-base);
}

.masonry-item.hidden {
    opacity: 0;
    transform: scale(0.8);
    position: absolute;
    pointer-events: none;
}

.masonry-card {
    position: relative;
    overflow: hidden;
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
}

.masonry-image-wrapper {
    position: relative;
    overflow: hidden;
}

.masonry-image-wrapper img {
    display: block;
}

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

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

.masonry-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(transparent 30%, rgba(0,0,0,0.85));
    opacity: 0;
    transition: opacity var(--transition-base);
    display: flex;
    align-items: flex-end;
    padding: var(--space-lg);
}

.masonry-card:hover .masonry-overlay {
    opacity: 1;
}

.masonry-overlay-content {
    transform: translateY(20px);
    transition: transform var(--transition-base);
}

.masonry-card:hover .masonry-overlay-content {
    transform: translateY(0);
}

.masonry-category {
    display: inline-block;
    font-size: var(--fs-xs);
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-xs);
}

.masonry-title {
    font-size: var(--fs-xl);
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.masonry-expand {
    cursor: pointer;
}

/* Portfolio on Home */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.portfolio-item {
    overflow: hidden;
}

.portfolio-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.portfolio-image-wrapper {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/10;
}

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

.portfolio-link:hover .portfolio-image {
    transform: scale(1.08);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(transparent 40%, rgba(0,0,0,0.85));
    opacity: 0;
    transition: opacity var(--transition-base);
    display: flex;
    align-items: flex-end;
    padding: var(--space-lg);
}

.portfolio-link:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-info {
    transform: translateY(20px);
    transition: transform var(--transition-base);
}

.portfolio-link:hover .portfolio-info {
    transform: translateY(0);
}

.portfolio-category {
    display: inline-block;
    font-size: var(--fs-xs);
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 4px;
}

.portfolio-title {
    font-size: var(--fs-xl);
    margin-bottom: var(--space-xs);
}

.portfolio-more {
    font-size: var(--fs-sm);
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Project Gallery (expanded) */
.project-gallery {
    padding: var(--space-lg);
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-top: none;
    animation: slideDown 0.4s ease;
}

@keyframes slideDown {
    0% { opacity: 0; max-height: 0; }
    100% { opacity: 1; max-height: 2000px; }
}

.project-gallery-header {
    margin-bottom: var(--space-lg);
}

.project-gallery-header h3 {
    font-size: var(--fs-xl);
    margin-bottom: var(--space-xs);
}

.project-gallery-header p {
    color: var(--color-text-secondary);
    font-size: var(--fs-sm);
}

.gallery-location {
    display: inline-block;
    color: var(--color-text-muted);
    font-size: var(--fs-sm);
}

.gallery-location i {
    color: var(--color-accent);
    margin-right: 4px;
}

.project-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.gallery-item {
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 4/3;
}

.gallery-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base), filter var(--transition-base);
}

.gallery-image:hover {
    transform: scale(1.05);
    filter: brightness(1.1);
}

/* Video gallery items */
.gallery-item-video {
    position: relative;
}

.gallery-video-thumb {
    position: relative;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.gallery-video-thumb video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.3);
    transition: var(--transition-base);
}

.video-play-overlay i {
    font-size: 3rem;
    color: var(--color-white);
    opacity: 0.9;
    transition: var(--transition-base);
}

.gallery-video-thumb:hover .video-play-overlay {
    background: rgba(0, 0, 0, 0.15);
}

.gallery-video-thumb:hover .video-play-overlay i {
    opacity: 1;
    transform: scale(1.1);
}

.lightbox-video {
    border-radius: var(--radius-sm);
    outline: none;
}

.gallery-close-btn {
    cursor: pointer;
}

/* ========================================
   Parallax Section
   ======================================== */
.parallax-section {
    position: relative;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    padding: var(--space-3xl) 0;
}

.parallax-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.75);
}

.parallax-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.parallax-title {
    font-size: var(--fs-3xl);
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.parallax-text {
    font-size: var(--fs-md);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.8;
}

/* ========================================
   Stats / Counters
   ======================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    text-align: center;
}

.stat-item {
    padding: var(--space-xl);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.stat-item:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: var(--fs-4xl);
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
}

.stat-suffix {
    font-family: var(--font-heading);
    font-size: var(--fs-2xl);
    color: var(--color-accent);
}

.stat-label {
    display: block;
    margin-top: var(--space-sm);
    font-size: var(--fs-sm);
    color: var(--color-text-secondary);
    letter-spacing: 1px;
}

/* ========================================
   About Page - Portrait
   ======================================== */
.about-portrait-wrapper {
    position: relative;
    background-color: var(--color-bg-primary);
    overflow: hidden;
}

.about-portrait {
    width: 100%;
    max-width: 450px;
    height: auto;
    -webkit-mask-image: linear-gradient(to bottom, black 50%, transparent 95%);
    mask-image: linear-gradient(to bottom, black 50%, transparent 95%);
}

.about-portrait-frame {
    position: absolute;
    top: 20px;
    left: 20px;
    right: -20px;
    bottom: -20px;
    border: 2px solid var(--color-accent);
    z-index: 2;
    transition: all var(--transition-base);
}

.about-portrait-wrapper:hover .about-portrait-frame {
    top: 10px;
    left: 10px;
    right: -10px;
    bottom: -10px;
}

/* Values Grid */
.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.value-item {
    text-align: center;
    padding: var(--space-xl);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.value-item:hover {
    border-color: var(--color-accent);
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.value-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--space-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--fs-2xl);
    color: var(--color-accent);
}

.value-title {
    font-size: var(--fs-md);
    font-weight: 600;
    margin-bottom: var(--space-sm);
    font-family: var(--font-primary);
}

.value-text {
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* ========================================
   Contact Page
   ======================================== */
.contact-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.contact-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    padding: var(--space-xl);
    text-align: center;
    transition: all var(--transition-base);
}

.contact-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.contact-card-icon {
    font-size: var(--fs-2xl);
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.contact-card-title {
    font-size: var(--fs-md);
    font-weight: 600;
    margin-bottom: var(--space-sm);
    font-family: var(--font-primary);
}

.contact-card-value {
    display: block;
    font-size: var(--fs-base);
    color: var(--color-text-primary);
    margin-bottom: var(--space-xs);
    text-decoration: none;
}

.contact-card-note {
    font-size: var(--fs-xs);
    color: var(--color-text-muted);
}

/* Contact Form */
.contact-form {
    margin-top: var(--space-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-label {
    display: block;
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xs);
    letter-spacing: 0.5px;
}

.required {
    color: var(--color-accent);
}

.form-control {
    width: 100%;
    padding: 14px 18px;
    font-family: var(--font-primary);
    font-size: var(--fs-base);
    color: var(--color-text-primary);
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    transition: all var(--transition-fast);
    outline: none;
    appearance: none;
    -webkit-appearance: none;
}

.form-control:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(212, 168, 83, 0.1);
}

.form-control::placeholder {
    color: var(--color-text-muted);
}

textarea.form-control {
    resize: vertical;
    min-height: 140px;
}

select.form-control {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23b0b0b0' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

/* Checkbox */
.form-checkbox {
    margin-bottom: var(--space-lg);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: var(--fs-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
    line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    flex-shrink: 0;
    accent-color: var(--color-accent);
}

/* Alert */
.alert {
    padding: var(--space-md);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: var(--fs-sm);
}

.alert-success {
    background-color: rgba(76, 175, 80, 0.1);
    border: 1px solid var(--color-success);
    color: var(--color-success);
}

.alert-error {
    background-color: rgba(244, 67, 54, 0.1);
    border: 1px solid var(--color-error);
    color: var(--color-error);
}

/* Contact Image */
.contact-image-wrapper {
    position: relative;
    overflow: hidden;
    background-color: var(--color-bg-primary);
}

.contact-image {
    width: 100%;
    max-width: 450px;
    height: auto;
    -webkit-mask-image: linear-gradient(to bottom, black 50%, transparent 95%);
    mask-image: linear-gradient(to bottom, black 50%, transparent 95%);
}

.contact-image-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px;
    background: linear-gradient(transparent, rgba(0,0,0,0.9));
    z-index: 2;
}

.contact-image-info h3 {
    font-size: var(--fs-xl);
    margin-bottom: 4px;
}

.contact-image-info p {
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
}

/* Map */
.map-section {
    border-top: 1px solid var(--color-border);
}

.map-wrapper {
    width: 100%;
    height: 450px;
}

.map-wrapper iframe {
    width: 100%;
    height: 100%;
    filter: grayscale(80%) brightness(0.8) contrast(1.2);
    transition: filter var(--transition-slow);
}

.map-wrapper:hover iframe {
    filter: grayscale(30%) brightness(0.9) contrast(1.1);
}

/* ========================================
   Footer
   ======================================== */
.site-footer {
    background-color: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
}

.footer-main {
    padding: var(--space-2xl) 0;
}

.footer-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--space-2xl);
}

.footer-brand {
    display: inline-block;
    margin-bottom: var(--space-md);
}

.footer-logo {
    height: 50px;
    width: auto;
}

.footer-description {
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
    line-height: 1.7;
}

.footer-heading {
    font-size: var(--fs-sm);
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: var(--space-md);
    color: var(--color-text-primary);
    font-family: var(--font-primary);
}

.footer-nav-list li {
    margin-bottom: var(--space-xs);
}

.footer-nav-list a {
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.footer-nav-list a:hover {
    color: var(--color-accent);
    padding-left: 5px;
}

.footer-contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: var(--space-sm);
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
}

.footer-contact-list i {
    color: var(--color-accent);
    margin-top: 4px;
    flex-shrink: 0;
}

.footer-contact-list a {
    color: var(--color-text-muted);
}

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

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding: var(--space-md) 0;
}

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

.footer-copyright {
    font-size: var(--fs-xs);
    color: var(--color-text-muted);
}

.footer-bottom-links {
    font-size: var(--fs-xs);
}

.footer-bottom-links a {
    color: var(--color-text-muted);
}

.footer-bottom-links a:hover {
    color: var(--color-accent);
}

.footer-sep {
    color: var(--color-text-muted);
    margin: 0 8px;
}

/* ========================================
   Scroll to Top
   ======================================== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    background-color: var(--color-accent);
    color: var(--color-black);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    font-size: var(--fs-md);
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-accent);
}

/* ========================================
   Cookie Banner
   ======================================== */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    z-index: 9990;
    padding: var(--space-md) 0;
    transform: translateY(100%);
    animation: slideUpBanner 0.5s ease 1s forwards;
}

@keyframes slideUpBanner {
    0% { transform: translateY(100%); }
    100% { transform: translateY(0); }
}

.cookie-banner.hidden {
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.cookie-banner-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
}

.cookie-text p {
    font-size: var(--fs-sm);
    color: var(--color-text-secondary);
    margin: 0;
}

.cookie-actions {
    display: flex;
    gap: var(--space-sm);
    flex-shrink: 0;
}

/* ========================================
   Modal
   ======================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    cursor: pointer;
}

.modal-content {
    position: relative;
    z-index: 1;
    background-color: var(--color-bg-secondary);
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    padding: var(--space-2xl);
    transform: translateY(20px);
    transition: transform var(--transition-base);
}

.modal.active .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-size: var(--fs-2xl);
    cursor: pointer;
    transition: color var(--transition-fast);
}

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

.modal-content h2 {
    margin-bottom: var(--space-lg);
    font-size: var(--fs-2xl);
}

.modal-body h3 {
    font-size: var(--fs-md);
    font-family: var(--font-primary);
    font-weight: 600;
    margin: var(--space-lg) 0 var(--space-xs);
}

.modal-body p {
    font-size: var(--fs-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.modal-body ul {
    padding-left: var(--space-md);
    margin: var(--space-sm) 0;
}

.modal-body li {
    font-size: var(--fs-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xs);
    list-style: disc;
}

/* ========================================
   Lightbox
   ======================================== */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: var(--color-text-primary);
    font-size: 36px;
    cursor: pointer;
    z-index: 10;
    transition: color var(--transition-fast);
}

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

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-text-primary);
    font-size: var(--fs-2xl);
    cursor: pointer;
    padding: 20px;
    z-index: 10;
    transition: color var(--transition-fast);
}

.lightbox-prev:hover,
.lightbox-next:hover {
    color: var(--color-accent);
}

.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }

.lightbox-content {
    max-width: 90vw;
    max-height: 85vh;
}

.lightbox-image {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.lightbox-image.loaded {
    opacity: 1;
}

.lightbox-counter {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
}

/* ========================================
   Scroll Animations
   ======================================== */
[data-animate] {
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-animate].animated {
    opacity: 1;
}

[data-animate="fade-up"] {
    transform: translateY(40px);
}

[data-animate="fade-up"].animated {
    transform: translateY(0);
}

[data-animate="fade-down"] {
    transform: translateY(-40px);
}

[data-animate="fade-down"].animated {
    transform: translateY(0);
}

[data-animate="fade-left"] {
    transform: translateX(40px);
}

[data-animate="fade-left"].animated {
    transform: translateX(0);
}

[data-animate="fade-right"] {
    transform: translateX(-40px);
}

[data-animate="fade-right"].animated {
    transform: translateX(0);
}

[data-animate="fade-in"] {
    transform: scale(0.95);
}

[data-animate="fade-in"].animated {
    transform: scale(1);
}

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

/* Large screens */
@media (max-width: 1200px) {
    .services-grid,
    .offer-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .values-grid,
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-xl);
    }
}

/* Tablets */
@media (max-width: 992px) {
    :root {
        --fs-4xl: 2.5rem;
        --fs-5xl: 3.5rem;
        --fs-3xl: 2rem;
    }

    .site-header {
        padding: 0 20px;
    }

    .header-nav {
        display: none;
    }

    .menu-toggle {
        display: block;
    }

    .hidden-mobile {
        display: none !important;
    }

    .section-grid.two-cols {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .reverse-mobile {
        display: flex;
        flex-direction: column-reverse;
    }

    .masonry-grid {
        columns: 2;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    .contact-cards {
        grid-template-columns: 1fr;
    }

    .process-timeline::before {
        left: 30px;
    }

    .process-step-number {
        width: 60px;
        font-size: var(--fs-2xl);
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --fs-4xl: 2rem;
        --fs-5xl: 2.5rem;
        --fs-3xl: 1.75rem;
        --space-3xl: 5rem;
        --space-2xl: 3rem;
    }

    .hero-title {
        letter-spacing: 4px;
    }

    .hero-title-accent {
        letter-spacing: 6px;
    }

    .hero-dots {
        display: none;
    }

    .services-grid,
    .offer-grid,
    .values-grid,
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .masonry-grid {
        columns: 1;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .footer-bottom-inner {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }

    .cookie-banner-inner {
        flex-direction: column;
        text-align: center;
    }

    .page-header {
        height: 40vh;
        min-height: 280px;
        background-attachment: scroll;
    }

    .parallax-section {
        background-attachment: scroll;
    }

    .offer-tile {
        min-height: auto;
    }

    .offer-tile-inner {
        min-height: auto;
        transform-style: flat;
    }

    .offer-tile:hover .offer-tile-inner {
        transform: none;
    }

    .offer-tile-front {
        position: relative;
    }

    .offer-tile-back {
        position: relative;
        transform: none;
        display: none;
    }

    .offer-tile.expanded .offer-tile-front {
        display: none;
    }

    .offer-tile.expanded .offer-tile-back {
        display: flex;
    }

    .project-gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }

    .about-portrait-frame {
        display: none;
    }
}

/* Small mobile */
@media (max-width: 480px) {
    :root {
        --fs-5xl: 2rem;
        --fs-4xl: 1.75rem;
        --fs-3xl: 1.5rem;
    }

    .hero-section {
        min-height: 500px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .hero-actions .btn {
        width: 100%;
        max-width: 280px;
    }

    .btn-lg {
        padding: 14px 30px;
    }

    .header-brand-info {
        display: none;
    }
}

/* ========================================
   Print styles
   ======================================== */
@media print {
    .site-header,
    .preloader,
    .scroll-top,
    .cookie-banner,
    .side-menu,
    .side-menu-overlay,
    .hero-scroll-indicator,
    .hero-dots {
        display: none !important;
    }

    body {
        color: #000;
        background: #fff;
    }

    .section-dark,
    .section-darker {
        background-color: #fff;
    }

    a {
        color: #000;
    }
}