/* ========================================
   Граница и периметр - Стили
   Индустриальный дизайн
======================================== */

/* CSS Variables */
:root {
    /* Цвета */
    --color-dark: #1a1a1a;
    --color-darker: #0f0f0f;
    --color-gray-900: #212121;
    --color-gray-800: #2d2d2d;
    --color-gray-700: #3d3d3d;
    --color-gray-600: #4a4a4a;
    --color-gray-500: #6b6b6b;
    --color-gray-400: #8a8a8a;
    --color-gray-300: #b0b0b0;
    --color-gray-200: #d4d4d4;
    --color-gray-100: #f0f0f0;
    --color-white: #ffffff;
    
    /* Акценты */
    --color-accent: #e85a1b;
    --color-accent-light: #ff7a3d;
    --color-accent-dark: #c44a15;
    --color-success: #2ecc71;
    --color-error: #e74c3c;
    
    /* Типографика */
    --font-heading: 'Oswald', sans-serif;
    --font-body: 'Source Sans Pro', sans-serif;
    
    /* Размеры */
    --container-max: 1200px;
    --header-height: 80px;
    --border-radius: 8px;
    --border-radius-lg: 16px;
    
    /* Тени */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.2);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.3);
    
    /* Переходы */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-gray-200);
    background-color: var(--color-darker);
    min-height: 100vh;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

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

.section-tag {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-400);
    max-width: 600px;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header .section-subtitle {
    margin: 0 auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-normal);
}

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

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(232, 90, 27, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border-color: var(--color-gray-600);
}

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

.btn-large {
    padding: 1.125rem 3rem;
    font-size: 1.125rem;
}

.btn-small {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
}

/* ========================================
   NAVBAR
======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(15, 15, 15, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--color-gray-800);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

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

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.logo-main {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.logo-sub {
    font-size: 0.75rem;
    color: var(--color-gray-400);
    text-transform: lowercase;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    font-family: var(--font-heading);
    font-size: 0.9375rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-gray-300);
    position: relative;
    padding: 0.5rem 0;
}

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

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-white);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

/* Burger menu */
.burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 30px;
    height: 30px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.burger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-white);
    transition: all var(--transition-normal);
}

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

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

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

/* ========================================
   HERO SLIDER
======================================== */
.hero-slider {
    margin-top: var(--header-height);
    position: relative;
    height: 500px;
    min-height: 400px;
    overflow: hidden;
}

.slider-container {
    height: 100%;
    position: relative;
}

.slides {
    height: 100%;
    position: relative;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.slide.active {
    opacity: 1;
}

.slide-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(15, 15, 15, 0.9) 0%,
        rgba(15, 15, 15, 0.6) 50%,
        rgba(15, 15, 15, 0.4) 100%
    );
}

.slide-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    width: 90%;
    max-width: 800px;
    z-index: 2;
}

.slide-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
    text-shadow: 0 4px 30px rgba(0,0,0,0.5);
}

.slide-subtitle {
    font-size: clamp(1rem, 3vw, 1.5rem);
    color: var(--color-gray-300);
    margin-bottom: 2rem;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 50%;
    color: var(--color-white);
    cursor: pointer;
    transition: all var(--transition-normal);
    z-index: 10;
}

.slider-btn:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.slider-btn.prev {
    left: 20px;
}

.slider-btn.next {
    right: 20px;
}

.slider-btn svg {
    width: 24px;
    height: 24px;
}

.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.dot.active,
.dot:hover {
    background: var(--color-accent);
    transform: scale(1.2);
}

/* ========================================
   ABOUT SECTION
======================================== */
.about-section {
    padding: 6rem 0;
    background: var(--color-dark);
}

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

.about-content {
    padding-right: 2rem;
}

.about-text {
    color: var(--color-gray-300);
    margin-bottom: 1.5rem;
    font-size: 1.0625rem;
}

.about-text strong {
    color: var(--color-accent);
}

.about-stats {
    display: flex;
    gap: 3rem;
    margin-top: 2.5rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--color-gray-700);
}

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

.stat-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-gray-400);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 0.5rem;
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
}

.about-badge {
    position: absolute;
    bottom: -20px;
    left: 30px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: var(--color-accent);
    border-radius: var(--border-radius);
    color: var(--color-white);
    box-shadow: var(--shadow-lg);
}

.badge-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    font-weight: 700;
}

.badge-text {
    font-family: var(--font-heading);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.875rem;
}

/* ========================================
   FEATURES SECTION
======================================== */
.features-section {
    padding: 5rem 0;
    background: linear-gradient(180deg, var(--color-dark) 0%, var(--color-darker) 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.feature-card {
    text-align: center;
    padding: 2.5rem 1.5rem;
    background: var(--color-gray-900);
    border: 1px solid var(--color-gray-800);
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-accent);
    box-shadow: 0 10px 40px rgba(232, 90, 27, 0.15);
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.5rem;
    color: var(--color-accent);
}

.feature-card h3 {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
}

.feature-card p {
    font-size: 0.9375rem;
    color: var(--color-gray-400);
}

/* ========================================
   SERVICES SECTION
======================================== */
.services-section {
    padding: 6rem 0;
    background: var(--color-darker);
}

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

.service-card {
    background: var(--color-gray-900);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-gray-800);
    transition: all var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-gray-700);
}

.service-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

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

.service-card:hover .service-image img {
    transform: scale(1.1);
}

.service-overlay {
    position: absolute;
    top: 1rem;
    right: 1rem;
}

.service-price {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--color-accent);
    color: var(--color-white);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.875rem;
    border-radius: var(--border-radius);
}

.service-content {
    padding: 1.5rem;
}

.service-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.service-content p {
    color: var(--color-gray-400);
    font-size: 0.9375rem;
    margin-bottom: 1rem;
}

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

.service-features li {
    position: relative;
    padding-left: 1.25rem;
    color: var(--color-gray-300);
    font-size: 0.875rem;
    margin-bottom: 0.375rem;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 700;
}

/* ========================================
   CTA SECTION
======================================== */
.cta-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--color-accent-dark) 0%, var(--color-accent) 100%);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M54.627 0l.83.828-1.415 1.415L51.8 0h2.827zM5.373 0l-.83.828L5.96 2.243 8.2 0H5.374zM48.97 0l3.657 3.657-1.414 1.414L46.143 0h2.828zM11.03 0L7.372 3.657 8.787 5.07 13.857 0H11.03zm32.284 0L49.8 6.485 48.384 7.9l-7.9-7.9h2.83zM16.686 0L10.2 6.485 11.616 7.9l7.9-7.9h-2.83zM22.344 0L13.858 8.485 15.272 9.9l9.9-9.9h-2.828zM32 0l-3.486 3.485-1.414-1.414L30.172 0H32zm-6.656 0L16.858 8.485 18.272 9.9l9.9-9.9h-2.828zm13.312 0L30.172 8.485 31.586 9.9l9.9-9.9h-2.83zm6.656 0L36.828 8.485 38.243 9.9l9.9-9.9h-2.83zm6.656 0L43.485 8.485l1.415 1.414L54.385 0h-2.83zM0 5.373l.828-.83 1.415 1.415L0 8.2V5.374zm0 5.656l.828-.829 1.415 1.415L0 13.858v-2.83zm0 5.656l.828-.828 1.415 1.414L0 19.514v-2.83zm0 5.657l.828-.828 1.415 1.414L0 25.172v-2.83zM60 5.373v2.828l-8.485 8.485-1.414-1.414L60 5.372zm0 5.656v2.83l-8.485 8.485-1.414-1.415L60 11.03zm0 5.657v2.828L51.515 28l-1.414-1.414L60 16.686zm0 5.657v2.828l-8.485 8.485-1.414-1.414L60 22.343z' fill='%23ffffff' fill-opacity='0.05' fill-rule='evenodd'/%3E%3C/svg%3E");
    opacity: 0.5;
}

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

.cta-content h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.125rem;
    color: rgba(255,255,255,0.9);
    margin-bottom: 2rem;
}

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

.cta-section .btn-primary:hover {
    background: transparent;
    color: var(--color-white);
}

/* ========================================
   PAGE HEADER
======================================== */
.page-header {
    padding: 8rem 0 4rem;
    margin-top: var(--header-height);
    background: linear-gradient(180deg, var(--color-gray-900) 0%, var(--color-darker) 100%);
    text-align: center;
}

.page-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 1rem;
}

.page-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-400);
}

/* ========================================
   WORKS PAGE
======================================== */
.works-filter {
    padding: 2rem 0;
    background: var(--color-dark);
    position: sticky;
    top: var(--header-height);
    z-index: 100;
    border-bottom: 1px solid var(--color-gray-800);
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
}

.filter-btn {
    padding: 0.625rem 1.5rem;
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-gray-400);
    background: transparent;
    border: 1px solid var(--color-gray-700);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.filter-btn:hover {
    color: var(--color-white);
    border-color: var(--color-gray-500);
}

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

.works-section {
    padding: 4rem 0;
    background: var(--color-darker);
}

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

.work-card {
    background: var(--color-gray-900);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-gray-800);
    transition: all var(--transition-normal);
}

.work-card:hover {
    border-color: var(--color-gray-700);
    box-shadow: var(--shadow-xl);
}

.work-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background: var(--color-gray-800);
}

.work-category {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
}

.work-location {
    font-size: 0.875rem;
    color: var(--color-gray-400);
}

.work-slider {
    position: relative;
    height: 280px;
    overflow: hidden;
}

.work-slides {
    height: 100%;
}

.work-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.work-slide.active {
    opacity: 1;
}

.work-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.work-slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.5);
    border: none;
    border-radius: 50%;
    color: var(--color-white);
    font-size: 1.25rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    z-index: 5;
}

.work-slider-btn:hover {
    background: var(--color-accent);
}

.work-slider-btn.prev {
    left: 10px;
}

.work-slider-btn.next {
    right: 10px;
}

.work-slider-dots {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 6px;
}

.work-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.work-content {
    padding: 1.5rem;
}

.work-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.work-description {
    color: var(--color-gray-400);
    font-size: 0.9375rem;
    margin-bottom: 1rem;
}

.work-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-gray-800);
    font-size: 0.875rem;
    color: var(--color-gray-300);
}

.work-specs strong {
    color: var(--color-gray-500);
}

/* ========================================
   CONTACTS PAGE
======================================== */
.contacts-section {
    padding: 4rem 0 6rem;
    background: var(--color-darker);
}

.contacts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contacts-info h2 {
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
}

.contacts-intro {
    color: var(--color-gray-400);
    margin-bottom: 2rem;
}

.contact-cards {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.25rem;
    background: var(--color-gray-900);
    border: 1px solid var(--color-gray-800);
    border-radius: var(--border-radius);
    transition: all var(--transition-normal);
}

.contact-card:hover {
    border-color: var(--color-gray-700);
    transform: translateX(5px);
}

.contact-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-800);
    border-radius: var(--border-radius);
    color: var(--color-gray-300);
    flex-shrink: 0;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
}

.contact-card.whatsapp .contact-icon {
    background: #25d366;
    color: var(--color-white);
}

.contact-card.telegram .contact-icon {
    background: #0088cc;
    color: var(--color-white);
}

.contact-card.email .contact-icon {
    background: var(--color-accent);
    color: var(--color-white);
}

.contact-details {
    display: flex;
    flex-direction: column;
}

.contact-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-gray-500);
}

.contact-value {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-white);
}

.contact-hint {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
}

.work-hours,
.service-area {
    margin-bottom: 2rem;
}

.work-hours h3,
.service-area h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--color-gray-300);
}

.hours-grid {
    display: flex;
    gap: 2rem;
}

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

.hours-item .day {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.hours-item .time {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    color: var(--color-white);
}

.service-area p {
    color: var(--color-gray-400);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--color-gray-900);
    border: 1px solid var(--color-gray-800);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
}

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

.form-header h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.form-header p {
    color: var(--color-gray-400);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-300);
}

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

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.875rem 1rem;
    background: var(--color-gray-800);
    border: 1px solid var(--color-gray-700);
    border-radius: var(--border-radius);
    color: var(--color-white);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-gray-500);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(232, 90, 27, 0.2);
}

.select-wrapper {
    position: relative;
}

.select-wrapper select {
    width: 100%;
    appearance: none;
    cursor: pointer;
}

.select-wrapper::after {
    content: '▼';
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.625rem;
    color: var(--color-gray-500);
    pointer-events: none;
}

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

.form-hint {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
}

/* Checkbox */
.checkbox-group {
    margin-top: 0.5rem;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
}

.checkbox-label input {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-gray-600);
    border-radius: 4px;
    flex-shrink: 0;
    position: relative;
    transition: all var(--transition-fast);
}

.checkbox-label input:checked + .checkmark {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.checkbox-label input:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 700;
}

.checkbox-text {
    font-size: 0.875rem;
    color: var(--color-gray-400);
    line-height: 1.4;
}

.btn-submit {
    margin-top: 0.5rem;
    width: 100%;
}

.btn-submit svg {
    width: 20px;
    height: 20px;
}

.form-footer {
    margin-top: 1.5rem;
    text-align: center;
}

.form-footer p {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
}

/* Map Section */
.map-section {
    position: relative;
    height: 400px;
    overflow: hidden;
}

.map-placeholder {
    height: 100%;
}

.map-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(80%) brightness(0.6);
}

.map-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
}

.map-info {
    background: var(--color-gray-900);
    border: 1px solid var(--color-gray-700);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    text-align: center;
}

.map-info h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.map-info p {
    color: var(--color-gray-400);
    margin-bottom: 1.5rem;
}

/* ========================================
   FLASH MESSAGES
======================================== */
.flash-messages {
    position: fixed;
    top: calc(var(--header-height) + 20px);
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-width: 400px;
}

.flash-message {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: var(--color-gray-900);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-gray-600);
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.flash-success {
    border-left-color: var(--color-success);
}

.flash-error {
    border-left-color: var(--color-error);
}

.flash-close {
    background: transparent;
    border: none;
    color: var(--color-gray-500);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.flash-close:hover {
    color: var(--color-white);
}

/* ========================================
   FOOTER
======================================== */
.footer {
    background: var(--color-dark);
    border-top: 1px solid var(--color-gray-800);
    padding: 4rem 0 2rem;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 1rem;
}

.footer-logo .logo-icon {
    width: 32px;
    height: 32px;
    color: var(--color-accent);
}

.footer-desc {
    color: var(--color-gray-500);
    font-size: 0.9375rem;
}

.footer-col h4 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-gray-300);
    margin-bottom: 1.25rem;
}

.footer-col ul li {
    margin-bottom: 0.625rem;
    color: var(--color-gray-500);
    font-size: 0.9375rem;
}

.footer-col ul li a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--color-gray-800);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

/* ========================================
   RESPONSIVE
======================================== */
@media (max-width: 1024px) {
    .hero-slider {
        height: 450px;
    }
    
    .slide-title {
        font-size: clamp(2rem, 6vw, 4rem);
    }
    
    .slide-subtitle {
        font-size: clamp(0.9375rem, 2.5vw, 1.25rem);
    }
    
    .about-grid {
        gap: 3rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }
    
    /* Navbar mobile */
    .burger {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-darker);
        flex-direction: column;
        justify-content: center;
        gap: 2rem;
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }
    
    .nav-links.active {
        opacity: 1;
        visibility: visible;
    }
    
    .nav-links a {
        font-size: 1.5rem;
    }
    
    /* Hero */
    .hero-slider {
        height: 450px;
        min-height: 350px;
    }
    
    .slide-content {
        width: 95%;
        padding: 1rem;
    }
    
    .slide-title {
        font-size: clamp(1.75rem, 6vw, 3rem);
        margin-bottom: 0.75rem;
    }
    
    .slide-subtitle {
        font-size: clamp(0.875rem, 2.5vw, 1.125rem);
        margin-bottom: 1.5rem;
    }
    
    .slider-btn {
        width: 40px;
        height: 40px;
    }
    
    .slider-btn svg {
        width: 20px;
        height: 20px;
    }
    
    .slider-btn.prev {
        left: 10px;
    }
    
    .slider-btn.next {
        right: 10px;
    }
    
    .slider-dots {
        bottom: 20px;
        gap: 10px;
    }
    
    .dot {
        width: 10px;
        height: 10px;
    }
    
    /* About */
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about-content {
        padding-right: 0;
    }
    
    .about-stats {
        flex-wrap: wrap;
        gap: 2rem;
    }
    
    .about-image {
        order: -1;
    }
    
    /* Features */
    .features-grid {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }
    
    .feature-card {
        padding: 1.5rem 1rem;
    }
    
    .feature-icon {
        width: 48px;
        height: 48px;
    }
    
    /* Services */
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    /* Works */
    .works-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-buttons {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 0.5rem;
        flex-wrap: nowrap;
    }
    
    .filter-btn {
        white-space: nowrap;
    }
    
    /* Contacts */
    .contacts-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .contact-form-wrapper {
        padding: 1.5rem;
    }
    
    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-logo {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .logo-text {
        display: none;
    }
    
    .hero-slider {
        height: 400px;
        min-height: 300px;
    }
    
    .slide-content {
        width: 100%;
        padding: 0.5rem;
    }
    
    .slide-title {
        font-size: 1.5rem;
        margin-bottom: 0.5rem;
    }
    
    .slide-subtitle {
        font-size: 0.875rem;
        margin-bottom: 1rem;
    }
    
    .slider-btn {
        width: 36px;
        height: 36px;
    }
    
    .slider-btn svg {
        width: 18px;
        height: 18px;
    }
    
    .slider-dots {
        bottom: 15px;
        gap: 8px;
    }
    
    .dot {
        width: 8px;
        height: 8px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        justify-content: space-between;
    }
    
    .stat-number {
        font-size: 2.25rem;
    }
    
    .hours-grid {
        flex-direction: column;
        gap: 1rem;
    }
    
    .flash-messages {
        left: 15px;
        right: 15px;
        max-width: none;
    }
}