/**
 * ROOM Business Center - Main Stylesheet
 * Modern, accessible, professional design for office hotel
 */

/* ========================================
   CSS Custom Properties (Design Tokens)
   ======================================== */
:root {
    /* Primary - Professional deep blue */
    --color-primary: #1E3A5F;
    --color-primary-light: #2D5A8A;
    --color-primary-dark: #0F2440;

    /* Accent - Modern teal */
    --color-accent: #00A896;
    --color-accent-light: #02C8AB;
    --color-accent-dark: #008575;

    /* Secondary accent - Warm gold for premium feel */
    --color-gold: #C9A227;
    --color-gold-light: #E5C14B;

    /* Background - Clean light grays */
    --color-bg: #FAFBFC;
    --color-bg-alt: #F0F2F5;
    --color-bg-dark: #1A1A2E;

    /* Text */
    --color-text: #1A1A2E;
    --color-text-light: #4A5568;
    --color-text-muted: #718096;
    --color-text-inverse: #FAFBFC;

    /* White */
    --color-white: #FFFFFF;

    /* Success/Error */
    --color-success: #10B981;
    --color-success-bg: #D1FAE5;
    --color-error: #EF4444;
    --color-error-bg: #FEE2E2;

    /* Border */
    --color-border: #E2E8F0;
    --color-border-dark: #CBD5E1;

    /* Typography */
    --font-heading: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Font Sizes - Fluid Typography */
    --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --text-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
    --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
    --text-lg: clamp(1.125rem, 1rem + 0.625vw, 1.375rem);
    --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.625rem);
    --text-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2.25rem);
    --text-3xl: clamp(1.875rem, 1.5rem + 1.875vw, 3rem);
    --text-4xl: clamp(2.25rem, 1.75rem + 2.5vw, 4rem);
    --text-5xl: clamp(2.75rem, 2rem + 3.75vw, 5rem);

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    /* Layout */
    --container-max: 1200px;
    --container-narrow: 800px;
    --header-height: 80px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(26, 26, 46, 0.05);
    --shadow-md: 0 4px 6px rgba(26, 26, 46, 0.07);
    --shadow-lg: 0 10px 15px rgba(26, 26, 46, 0.1);
    --shadow-xl: 0 20px 25px rgba(26, 26, 46, 0.15);

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;
}

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

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

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

/* Selection */
::selection {
    background-color: var(--color-accent-light);
    color: var(--color-white);
}

/* Focus Styles - Important for accessibility */
:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--space-sm) var(--space-md);
    z-index: 9999;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
}

/* Links */
a {
    color: var(--color-primary);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
    transition: color var(--transition-fast);
}

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

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

/* Lists */
ul, ol {
    list-style: none;
}

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

/* ========================================
   Typography
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text);
    margin-bottom: var(--space-md);
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); font-weight: 700; }

p {
    margin-bottom: var(--space-md);
}

p:last-child {
    margin-bottom: 0;
}

.text-accent {
    color: var(--color-accent);
    font-weight: 600;
}

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

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

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

/* Lead text */
.lead {
    font-size: var(--text-lg);
    color: var(--color-text-light);
    line-height: 1.8;
}

/* Gradient text */
.text-gradient {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========================================
   Layout & Container
   ======================================== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

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

.section {
    padding: var(--space-4xl) 0;
}

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

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

.section--dark h2,
.section--dark h3,
.section--dark h4 {
    color: var(--color-white);
}

.section--primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
}

.section--primary h2,
.section--primary h3 {
    color: var(--color-white);
}

/* ========================================
   Header & Navigation
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-height);
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow var(--transition-base);
}

.header--scrolled {
    box-shadow: var(--shadow-md);
}

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

.header__logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
    letter-spacing: -0.02em;
}

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

.header__logo-icon {
    width: 40px;
    height: 40px;
    color: var(--color-accent);
}

.header__logo span {
    color: var(--color-accent);
}

/* Navigation */
.nav {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav__list {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav__link {
    position: relative;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
    padding: var(--space-sm) 0;
    transition: color var(--transition-fast);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-base);
}

.nav__link:hover,
.nav__link--active {
    color: var(--color-primary);
}

.nav__link:hover::after,
.nav__link--active::after {
    width: 100%;
}

/* Mobile Menu Toggle */
.nav__toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    padding: 6px;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
}

.nav__toggle:hover {
    background-color: var(--color-bg-alt);
}

.nav__toggle-line {
    width: 100%;
    height: 2px;
    background-color: var(--color-text);
    border-radius: 1px;
    transition: all var(--transition-fast);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-line:nth-child(2) {
    opacity: 0;
}

.nav__toggle[aria-expanded="true"] .nav__toggle-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin-left: var(--space-lg);
    padding-left: var(--space-lg);
    border-left: 1px solid var(--color-border);
}

.lang-switcher__link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 32px;
    padding: 0 var(--space-sm);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-muted);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.lang-switcher__link:hover {
    color: var(--color-primary);
    background: var(--color-bg-alt);
}

.lang-switcher__link--active {
    color: var(--color-white);
    background: var(--color-primary);
}

.lang-switcher__link--active:hover {
    color: var(--color-white);
    background: var(--color-primary-light);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: var(--header-height);
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.hero--small {
    min-height: 50vh;
}

/* Hero with video background */
.hero--video {
    background: var(--color-primary-dark);
}

.hero__video-wrapper {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.hero__video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(135deg, rgba(15, 36, 64, 0.7) 0%, rgba(10, 25, 45, 0.8) 100%);
}

/* Hide video on mobile for performance */
@media (max-width: 768px) {
    .hero__video-wrapper {
        display: none;
    }

    .hero--video {
        background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    }
}

/* Respect reduced motion preference - pause video instead of hiding */
@media (prefers-reduced-motion: reduce) {
    .hero__video {
        animation: none;
    }
}

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.2;
}

.hero__pattern {
    position: absolute;
    inset: 0;
    z-index: 1;
    background-image:
        radial-gradient(circle at 25% 25%, rgba(0, 168, 150, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(201, 162, 39, 0.1) 0%, transparent 50%);
}

.hero__content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: var(--space-3xl) var(--space-lg);
    max-width: 900px;
}

.hero__pretitle {
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent-light);
    margin-bottom: var(--space-md);
}

.hero__title {
    font-size: var(--text-5xl);
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: var(--space-lg);
    line-height: 1.1;
}

.hero__title span {
    color: var(--color-accent-light);
}

.hero__subtitle {
    font-size: var(--text-xl);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero__cta {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

.hero__stats {
    display: flex;
    gap: var(--space-3xl);
    justify-content: center;
    margin-top: var(--space-4xl);
    padding-top: var(--space-3xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero__stat {
    text-align: center;
}

.hero__stat-number {
    font-size: var(--text-3xl);
    font-weight: 800;
    color: var(--color-accent-light);
    margin-bottom: var(--space-xs);
}

.hero__stat-label {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
}

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

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

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

.btn--secondary:hover {
    background-color: var(--color-bg-alt);
    border-color: var(--color-bg-alt);
    color: var(--color-primary-dark);
}

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

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

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

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

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

.btn--gold:hover {
    background-color: var(--color-gold-light);
    border-color: var(--color-gold-light);
}

.btn--large {
    padding: var(--space-lg) var(--space-2xl);
    font-size: var(--text-base);
}

.btn--full {
    width: 100%;
}

.btn--icon {
    padding: var(--space-md);
}

/* ========================================
   Cards
   ======================================== */
.card {
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: all var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.card__image {
    aspect-ratio: 16/10;
    overflow: hidden;
}

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

.card:hover .card__image img {
    transform: scale(1.05);
}

.card__content {
    padding: var(--space-xl);
}

.card__title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-sm);
}

.card__text {
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
}

.card__meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

/* Service Card */
.service-card {
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
    height: 100%;
    display: flex;
    flex-direction: column;
}

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

.service-card__icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
}

.service-card__icon svg {
    width: 32px;
    height: 32px;
    color: var(--color-white);
}

.service-card__title {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.service-card__description {
    color: var(--color-text-light);
    font-size: var(--text-base);
    margin-bottom: var(--space-lg);
    flex-grow: 1;
}

.service-card__features {
    margin-bottom: var(--space-lg);
}

.service-card__feature {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) 0;
    font-size: var(--text-sm);
    color: var(--color-text-light);
}

.service-card__feature svg {
    width: 16px;
    height: 16px;
    color: var(--color-success);
    flex-shrink: 0;
}

.service-card__link {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-accent);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    margin-top: auto;
}

.service-card__link:hover {
    color: var(--color-primary);
}

.service-card__link svg {
    transition: transform var(--transition-fast);
}

.service-card__link:hover svg {
    transform: translateX(4px);
}

/* ========================================
   Introduction Section
   ======================================== */
.intro {
    padding: var(--space-5xl) 0;
}

.intro__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.intro__content {
    max-width: 540px;
}

.intro__label {
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.intro__title {
    margin-bottom: var(--space-lg);
}

.intro__text {
    color: var(--color-text-light);
    margin-bottom: var(--space-lg);
}

.intro__highlight {
    font-size: var(--text-xl);
    font-weight: 500;
    color: var(--color-primary);
    border-left: 4px solid var(--color-accent);
    padding-left: var(--space-lg);
    margin: var(--space-xl) 0;
}

.intro__image {
    position: relative;
}

.intro__image img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.intro__image::before {
    content: '';
    position: absolute;
    top: var(--space-lg);
    right: calc(var(--space-lg) * -1);
    width: 100%;
    height: 100%;
    border: 3px solid var(--color-accent);
    border-radius: var(--radius-xl);
    z-index: -1;
}

/* ========================================
   Services Grid
   ======================================== */
.services-section {
    padding: var(--space-5xl) 0;
}

.services-section__header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.services-section__label {
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.services-section__title {
    margin-bottom: var(--space-md);
}

.services-section__subtitle {
    color: var(--color-text-light);
    font-size: var(--text-lg);
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
}

@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Benefits Section
   ======================================== */
.benefits {
    padding: var(--space-5xl) 0;
    background-color: var(--color-bg-alt);
}

.benefits__wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.benefits__content .services-section__label,
.benefits__content .services-section__title {
    text-align: left;
}

.benefits__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.benefit-item__icon {
    width: 56px;
    height: 56px;
    min-width: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.benefit-item__icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-accent);
}

.benefit-item__title {
    font-size: var(--text-base);
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.benefit-item__desc {
    color: var(--color-text-light);
    font-size: var(--text-sm);
    line-height: 1.5;
}

.benefits__image {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.benefits__image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.benefits__image::before {
    content: '';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100px;
    height: 100px;
    background: var(--color-accent);
    opacity: 0.1;
    border-radius: var(--radius-full);
    z-index: -1;
}

@media (max-width: 968px) {
    .benefits__wrapper {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .benefits__content .services-section__label,
    .benefits__content .services-section__title {
        text-align: center;
    }

    .benefits__image {
        order: -1;
        max-width: 500px;
        margin: 0 auto;
    }
}

/* Benefits grid (used on kontorshotell page) */
.benefits__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

.benefit-card {
    text-align: center;
    padding: var(--space-xl);
}

.benefit-card__icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    margin: 0 auto var(--space-lg);
    box-shadow: var(--shadow-md);
}

.benefit-card__icon svg {
    width: 36px;
    height: 36px;
    color: var(--color-accent);
}

.benefit-card__title {
    font-size: var(--text-lg);
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.benefit-card__text {
    color: var(--color-text-light);
    font-size: var(--text-sm);
}

/* ========================================
   Companies Section
   ======================================== */
.companies {
    padding: var(--space-4xl) 0;
    text-align: center;
}

.companies__title {
    font-size: var(--text-lg);
    color: var(--color-text-muted);
    margin-bottom: var(--space-2xl);
}

.companies__grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-lg);
}

.companies__item {
    padding: var(--space-md) var(--space-xl);
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    color: var(--color-text-light);
    transition: all var(--transition-fast);
}

.companies__item:hover {
    border-color: var(--color-accent);
    color: var(--color-primary);
}

/* ========================================
   Gallery Section
   ======================================== */
.gallery {
    padding: var(--space-4xl) 0;
    background: var(--color-bg-alt);
}

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

.gallery__title {
    font-size: var(--text-3xl);
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.gallery__subtitle {
    font-size: var(--text-lg);
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

.gallery__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
}

.gallery__item {
    position: relative;
    aspect-ratio: 4/3;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.gallery__item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

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

.gallery__item:hover img {
    transform: scale(1.05);
}

.gallery__item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.3) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.gallery__item:hover::after {
    opacity: 1;
}

.gallery__zoom {
    position: absolute;
    bottom: var(--space-md);
    right: var(--space-md);
    width: 40px;
    height: 40px;
    background: var(--color-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity var(--transition-base), transform var(--transition-base);
    z-index: 2;
}

.gallery__item:hover .gallery__zoom {
    opacity: 1;
    transform: translateY(0);
}

.gallery__zoom svg {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
}

/* Lightbox */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

.lightbox.is-open {
    opacity: 1;
    visibility: visible;
}

.lightbox__content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
}

.lightbox__image {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.lightbox__close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    width: 48px;
    height: 48px;
    background: var(--color-white);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-fast);
    z-index: 10000;
}

.lightbox__close:hover {
    transform: scale(1.1);
}

.lightbox__close svg {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
}

.lightbox__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    background: var(--color-white);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-fast);
}

.lightbox__nav:hover {
    transform: translateY(-50%) scale(1.1);
}

.lightbox__nav--prev {
    left: var(--space-lg);
}

.lightbox__nav--next {
    right: var(--space-lg);
}

.lightbox__nav svg {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
}

@media (max-width: 1024px) {
    .gallery__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .gallery__grid {
        grid-template-columns: 1fr;
    }

    .lightbox__nav {
        width: 40px;
        height: 40px;
    }

    .lightbox__nav--prev {
        left: var(--space-sm);
    }

    .lightbox__nav--next {
        right: var(--space-sm);
    }
}

/* ========================================
   CTA Section
   ======================================== */
.cta {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    padding: var(--space-4xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(0, 168, 150, 0.2) 0%, transparent 70%);
}

.cta__content {
    position: relative;
    z-index: 1;
    max-width: 600px;
    margin: 0 auto;
}

.cta__title {
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.cta__text {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--text-lg);
    margin-bottom: var(--space-xl);
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
    padding: var(--space-5xl) 0;
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-4xl);
}

.contact__info h2 {
    margin-bottom: var(--space-md);
}

.contact__text {
    color: var(--color-text-light);
    margin-bottom: var(--space-xl);
}

.contact__details {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.contact__item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.contact__item-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    border-radius: var(--radius-md);
    color: var(--color-white);
    flex-shrink: 0;
}

.contact__item-content h4 {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xs);
}

.contact__item-content p,
.contact__item-content a {
    color: var(--color-text);
    font-size: var(--text-base);
}

.contact__item-content a {
    text-decoration: none;
}

.contact__item-content a:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

.contact__social {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.contact__social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-bg-alt);
    border-radius: var(--radius-md);
    color: var(--color-text);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.contact__social-link:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
}

/* Contact Form */
.contact__form-wrapper {
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
}

/* ========================================
   Form Styles
   ======================================== */
.form__group {
    margin-bottom: var(--space-lg);
}

.form__label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

.form__label--required::after {
    content: ' *';
    color: var(--color-error);
}

.form__input,
.form__textarea,
.form__select {
    width: 100%;
    padding: var(--space-md);
    font-family: var(--font-body);
    font-size: var(--text-base);
    color: var(--color-text);
    background-color: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form__input:focus,
.form__textarea:focus,
.form__select:focus {
    outline: none;
    border-color: var(--color-accent);
    background-color: var(--color-white);
    box-shadow: 0 0 0 3px rgba(0, 168, 150, 0.1);
}

.form__input::placeholder,
.form__textarea::placeholder {
    color: var(--color-text-muted);
}

.form__input--error,
.form__textarea--error,
.form__select--error {
    border-color: var(--color-error);
}

.form__input--error:focus,
.form__textarea--error:focus,
.form__select--error:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form__textarea {
    min-height: 150px;
    resize: vertical;
}

.form__select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23718096' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-md) center;
    padding-right: var(--space-2xl);
    cursor: pointer;
}

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

.form__hint {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-xs);
}

.form__error {
    font-size: var(--text-sm);
    color: var(--color-error);
    margin-top: var(--space-xs);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.form__submit {
    margin-top: var(--space-lg);
}

/* Form Messages */
.form__message {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.form__message svg {
    flex-shrink: 0;
    margin-top: 2px;
}

.form__message--success {
    background-color: var(--color-success-bg);
    border: 1px solid var(--color-success);
    color: var(--color-success);
}

.form__message--error {
    background-color: var(--color-error-bg);
    border: 1px solid var(--color-error);
    color: var(--color-error);
}

/* Honeypot fields */
.form-field-extra {
    position: absolute;
    left: -9999px;
    opacity: 0;
    height: 0;
    overflow: hidden;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background-color: var(--color-bg-dark);
    color: var(--color-text-inverse);
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer__brand {
    max-width: 320px;
}

.footer__logo {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-white);
    text-decoration: none;
    margin-bottom: var(--space-md);
}

.footer__logo:hover {
    color: var(--color-accent-light);
}

.footer__logo span {
    color: var(--color-accent-light);
}

.footer__tagline {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--text-sm);
    margin-bottom: var(--space-lg);
    line-height: 1.6;
}

.footer__social {
    display: flex;
    gap: var(--space-sm);
}

.footer__social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-white);
    text-decoration: none;
    transition: all var(--transition-fast);
}

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

.footer__nav h4 {
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-white);
    margin-bottom: var(--space-lg);
}

.footer__nav ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer__nav a {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--text-sm);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer__copyright {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.6);
}

.footer__credits {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.5);
}

.footer__wfs-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4em;
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer__wfs-badge:hover {
    color: var(--color-accent-light);
}

.footer__dev a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
}

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

/* ========================================
   404 Page
   ======================================== */
.error-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-2xl);
    padding-top: calc(var(--header-height) + var(--space-2xl));
}

.error-page__content {
    max-width: 500px;
}

.error-page__code {
    font-family: var(--font-heading);
    font-size: var(--text-5xl);
    font-weight: 800;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.error-page__title {
    margin-bottom: var(--space-md);
}

.error-page__text {
    color: var(--color-text-light);
    margin-bottom: var(--space-xl);
}

/* ========================================
   About Page
   ======================================== */
.about-hero {
    padding: var(--space-5xl) 0;
    background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
}

.about-hero__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.about-values {
    padding: var(--space-5xl) 0;
}

.about-values__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.value-card {
    text-align: center;
    padding: var(--space-2xl);
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.value-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.value-card__icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    border-radius: var(--radius-lg);
    margin: 0 auto var(--space-lg);
}

.value-card__icon svg {
    width: 32px;
    height: 32px;
    color: var(--color-white);
}

.value-card__title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-sm);
}

.value-card__text {
    color: var(--color-text-light);
}

/* ========================================
   Animations
   ======================================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

/* Scroll Animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.animate-on-scroll.delay-1 { transition-delay: 0.1s; }
.animate-on-scroll.delay-2 { transition-delay: 0.2s; }
.animate-on-scroll.delay-3 { transition-delay: 0.3s; }

/* ========================================
   Utility Classes
   ======================================== */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .intro__grid {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }

    .intro__content {
        max-width: none;
        order: 2;
    }

    .intro__image {
        order: 1;
        max-width: 500px;
        margin: 0 auto;
    }

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

    .contact__grid {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }

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

    .footer__brand {
        grid-column: 1 / -1;
        max-width: none;
    }

    .about-hero__grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

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

    .hero__stats {
        gap: var(--space-xl);
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }

    .nav__toggle {
        display: flex;
    }

    .nav__list {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: var(--space-xl);
        background-color: var(--color-white);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

    .nav__list.is-open {
        opacity: 1;
        visibility: visible;
    }

    .nav__link {
        font-size: var(--text-lg);
    }

    .lang-switcher {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        margin: 0;
        padding: var(--space-md);
        border-left: none;
        border-top: 1px solid var(--color-border);
        background: var(--color-white);
        justify-content: center;
        gap: var(--space-md);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
        z-index: 1001;
    }

    .nav__list.is-open ~ .lang-switcher,
    .nav.is-open .lang-switcher {
        opacity: 1;
        visibility: visible;
    }

    .hero {
        min-height: 80vh;
    }

    .hero__content {
        padding: var(--space-2xl) var(--space-md);
    }

    .hero__stats {
        flex-direction: column;
        gap: var(--space-lg);
    }

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

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

    .footer__grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer__brand {
        max-width: none;
    }

    .footer__social {
        justify-content: center;
    }

    .footer__bottom {
        flex-direction: column;
        text-align: center;
    }

    .footer__credits {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .about-values__grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .section {
        padding: var(--space-3xl) 0;
    }

    .btn--large {
        width: 100%;
    }

    .hero__cta {
        flex-direction: column;
    }

    .hero__cta .btn {
        width: 100%;
    }

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

    .intro__image::before {
        display: none;
    }

    .companies__grid {
        flex-direction: column;
        align-items: stretch;
    }
}

/* ========================================
   Print Styles
   ======================================== */
@media print {
    .header,
    .footer,
    .btn,
    .nav__toggle {
        display: none;
    }

    body {
        color: #000;
        background: #fff;
        font-size: 12pt;
    }

    h1, h2, h3, h4, h5, h6 {
        color: #000;
        page-break-after: avoid;
    }

    a {
        color: #000;
        text-decoration: underline;
    }

    .section {
        padding: 1rem 0;
    }
}

/* ========================================
   High Contrast Mode Support
   ======================================== */
@media (prefers-contrast: high) {
    :root {
        --color-border: #000;
        --color-text-light: #000;
        --color-text-muted: #333;
    }

    .btn--outline {
        border-width: 3px;
    }

    .form__input,
    .form__textarea,
    .form__select {
        border-width: 3px;
    }
}

/* ========================================
   Reduced Motion Support
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }

    .animate-on-scroll {
        opacity: 1;
        transform: none;
        transition: none;
    }
}