:root {
    --header-height: 64px;
    
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.10);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --shadow-xl: 0 16px 48px rgba(0,0,0,0.16);
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.4s ease;
    
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    --border-radius-full: 50%;
    
    --font-family: 'Roboto', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    --container-width: 1200px;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-bold: 700;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-weight: var(--font-weight-regular);
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 4px;
    background: var(--gradient-primary);
    z-index: 9999;
    transition: width 0.1s ease;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 32px;
    width: 100%;
}

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

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-size: 14px;
    font-weight: var(--font-weight-medium);
    font-family: var(--font-family);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    border: none;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
    height: 52px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn-outline {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: all var(--transition-normal);
}

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

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: white;
    font-size: 18px;
    transition: var(--transition-normal);
}

.logo-icon:hover {
    transform: scale(1.05);
}

.logo-icon img {
    width: 80%;
    height: auto;
    object-fit: contain;
}

.logo-text {
    font-size: 20px;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

/* Navigation */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    position: relative;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    border-radius: var(--border-radius-md);
    transition: var(--transition-fast);
}

.nav-link:hover {
    background: rgba(0, 0, 0, 0.05);
}

.header-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    background: var(--primary-alpha-10);
    border-radius: var(--border-radius-md);
    margin-left: 8px;
    transition: var(--transition-fast);
}

.header-phone:hover {
    background: var(--primary-alpha-20);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
    border-radius: var(--border-radius-md);
    transition: var(--transition-fast);
}

.hamburger:hover {
    background: rgba(0, 0, 0, 0.05);
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-normal);
}

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

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

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

/* Mobile Overlay */
.mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 999;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.mobile-overlay.active {
    opacity: 1;
}

/* Hero */
.hero {
    position: relative;
    padding: 144px 0 80px;
    display: flex;
    align-items: center;
    background: var(--gradient-hero);
    overflow: hidden;
}

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

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--hero-overlay);
}

.hero > .container {
    position: relative;
    z-index: 1;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255,255,255,0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255,255,255,0.1) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(0,0,0,0.05) 0%, transparent 70%);
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-content {
    color: white;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(255,255,255,0.15);
    border-radius: 20px;
    font-size: 13px;
    font-weight: var(--font-weight-medium);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: 56px;
    font-weight: var(--font-weight-bold);
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -1.5px;
}

.hero-subtitle {
    font-size: 24px;
    font-weight: var(--font-weight-regular);
    margin-bottom: 16px;
    opacity: 0.9;
    line-height: 1.4;
}

.hero-text {
    font-size: 17px;
    margin-bottom: 36px;
    opacity: 0.85;
    max-width: 500px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero .btn {
    background: white;
    color: var(--primary-color);
    box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}

.hero .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.25);
}

.hero .btn-outline {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 2px solid rgba(255,255,255,0.4);
    color: white;
}

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

.hero-stats {
    display: flex;
    gap: 40px;
}

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

.hero-stat-number {
    font-size: 36px;
    font-weight: var(--font-weight-bold);
    line-height: 1;
    margin-bottom: 4px;
}

.hero-stat-label {
    font-size: 14px;
    opacity: 0.8;
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-card-main {
    position: relative;
    width: 100%;
    max-width: 400px;
    background: transparent;
    border: 1px dashed rgba(255,255,255,.5);
    border-radius: 50%;
    overflow: hidden;
}

.hero-card-image {
    width: 100%;
    aspect-ratio: 1/1;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-card-badge {
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 20px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    font-size: 14px;
    font-weight: var(--font-weight-medium);
    color: #10b981;
}

.hero-card-badge i {
    font-size: 18px;
}

.hero-card-floating {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 14px;
    padding: 16px 24px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 12px 32px rgba(0,0,0,0.15);
    animation: float 3s ease-in-out infinite;
}

.hero-card-floating i {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-hero);
    border-radius: 12px;
    color: white;
    font-size: 18px;
}

.hero-card-floating div {
    display: flex;
    flex-direction: column;
}

.hero-card-title {
    font-size: 14px;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
}

.hero-card-subtitle {
    font-size: 13px;
    color: var(--text-secondary);
}

.hero-card-1 {
    position: absolute;
    top: 20px;
    right: -20px;
    animation-delay: 0s;
}

.hero-card-2 {
    position: absolute;
    bottom: 150px;
    left: -30px;
    animation-delay: 1.5s;
}

.hero-card-3 {
    position: absolute;
    bottom: -20px;
    left: 50%;
    margin-left: -100px;
    width: 200px;
    animation-delay: 0.8s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .hero-content {
        order: 1;
        text-align: center;
    }
    
    .hero-visual {
        order: 0;
    }
    
    .hero-title {
        font-size: 42px;
    }
    
    .hero-text {
        max-width: 100%;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-card-floating {
        display: none;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 24px;
    }
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 150%;
    background: radial-gradient(ellipse, rgba(255,255,255,0.15) 0%, transparent 70%);
    pointer-events: none;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
    }
    
    .hero-content {
        order: 1;
    }
    
    .hero-image {
        order: 0;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .hero-title {
        font-size: 40px;
    }
    
    .hero-text {
        max-width: 100%;
    }
    
    .hero .btn {
        align-self: center;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    
    .nav-menu {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .nav-menu.active {
        display: flex;
        position: fixed;
        top: var(--header-height);
        right: -100%;
        width: 280px;
        height: calc(100vh - var(--header-height));
        background: white;
        flex-direction: column;
        padding: 24px;
        gap: 8px;
        box-shadow: var(--shadow-xl);
        border-radius: 0;
        transition: right var(--transition-normal);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-menu.active .nav-link {
        width: 100%;
        padding: 12px 16px;
        border-radius: var(--border-radius-md);
    }
    
    .header-phone {
        margin: 0;
        padding: 16px;
        justify-content: flex-start;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-visual {
        display: none;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
}

/* Services */
.services {
    padding: 100px 0;
    background: var(--background-color);
}

.services .section-title {
    text-align: center;
    font-size: 40px;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: 60px;
    letter-spacing: -0.5px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: white;
    border-radius: 20px;
    padding: 32px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.12);
}

.service-card-header {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 20px;
}

.service-icon {
    width: 56px;
    height: 56px;
    min-width: 56px;
    background: var(--gradient-primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
}

.service-title {
    font-size: 20px;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    line-height: 1.3;
}

.service-meta {
    display: flex;
    gap: 24px;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.service-meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

.service-meta-item i {
    color: var(--primary-color);
}

.service-checklist {
    flex: 1;
    margin-bottom: 24px;
}

.service-checklist h4 {
    font-size: 14px;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: 12px;
}

.service-checklist ul {
    list-style: none;
}

.service-checklist li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    line-height: 1.5;
}

.service-checklist li i {
    color: var(--primary-color);
    margin-top: 3px;
    font-size: 12px;
}

.service-card .btn {
    width: 100%;
    margin-top: auto;
}

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

@media (max-width: 768px) {
    .services .section-title {
        font-size: 28px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
}

/* Calculator */
.calculator {
    padding: 100px 0;
    background-image: url('../img/bg3.webp');
    background-attachment: fixed;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    position: relative;
}

.calculator::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.5);
    pointer-events: none;
}

.calculator > .container {
    position: relative;
    z-index: 1;
}

.calculator-header {
    text-align: center;
    margin-bottom: 48px;
}

.calculator-header .badge {
    background: var(--gradient-primary);
    color: white;
}

.calculator .section-title {
    text-align: center;
    font-size: 40px;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: 0;
    letter-spacing: -0.5px;
}

.calculator-wrapper {
    max-width: 700px;
    margin: 0 auto;
    background: white;
    border-radius: 24px;
    padding: 48px;
    box-shadow: 0 8px 40px rgba(0,0,0,0.08);
}

.calculator-step {
    display: none;
}

.calculator-step.active {
    display: block;
}

.step-title {
    font-size: 24px;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: 32px;
    text-align: center;
}

.step-options {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.option-card {
    cursor: pointer;
}

.option-card input {
    display: none;
}

.option-content {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    background: var(--background-color);
    border-radius: 16px;
    border: 2px solid transparent;
    transition: all var(--transition-fast);
}

.option-card input:checked + .option-content {
    border-color: var(--primary-color);
    background: var(--primary-alpha-08);
}

.option-content i {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 12px;
    color: white;
    font-size: 20px;
}

.option-content span {
    font-size: 16px;
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
}

.option-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.option-text small {
    font-size: 13px;
    color: var(--text-secondary);
}

.option-checkbox {
    cursor: pointer;
}

.option-checkbox input {
    display: none;
}

.checkbox-content {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 24px;
    background: var(--background-color);
    border-radius: 16px;
    border: 2px solid transparent;
    transition: all var(--transition-fast);
}

.option-checkbox input:checked + .checkbox-content {
    border-color: var(--primary-color);
    background: var(--primary-alpha-08);
}

.checkbox-content i {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 10px;
    color: white;
    font-size: 16px;
}

.checkbox-content span {
    font-size: 15px;
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
}

.checkbox-content small {
    font-size: 13px;
    color: var(--text-secondary);
    margin-left: 8px;
}

.step-range {
    padding: 0 20px;
}

.range-input-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    margin-bottom: 16px;
}

.range-slider {
    flex: 1;
    height: 8px;
    -webkit-appearance: none;
    background: #d1d5db;
    border-radius: 4px;
    outline: none;
}

.range-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 24px;
    height: 24px;
    background: var(--gradient-primary);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-md);
}

.range-value {
    min-width: 100px;
    text-align: center;
    font-size: 32px;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
}

.range-labels {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    color: var(--text-secondary);
}

.calculator-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 40px;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
}

.calculator-nav .btn {
    min-width: 140px;
}

.calculator-nav .btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.step-dots {
    display: flex;
    gap: 10px;
}

.dot {
    width: 10px;
    height: 10px;
    background: #d1d5db;
    border-radius: 50%;
    transition: var(--transition-fast);
}

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

.calculator-result {
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
}

.result-header {
    text-align: center;
    margin-bottom: 32px;
}

.result-header h3 {
    font-size: 20px;
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.result-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.price-value {
    font-size: 48px;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
}

.price-currency {
    font-size: 24px;
    font-weight: var(--font-weight-medium);
    color: var(--primary-color);
}

.result-details {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.result-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    color: var(--text-secondary);
}

.result-item i {
    color: var(--primary-color);
}

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

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

.calculator-form {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.form-row {
    display: flex;
    gap: 16px;
    width: 100%;
    max-width: 500px;
    justify-content: center;
}

.form-row .form-group {
    flex: 1;
    max-width: 240px;
}

.form-group input {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 15px;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-alpha-10);
}

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

.result-actions .btn {
    width: 100%;
    max-width: 300px;
}

.result-note {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 12px;
}

@media (max-width: 768px) {
    .calculator-wrapper {
        padding: 24px;
    }
    
    .calculator .section-title {
        font-size: 28px;
    }
    
    .step-title {
        font-size: 20px;
    }
    
    .result-details {
        flex-direction: column;
        gap: 16px;
        align-items: center;
    }
    
    .form-row {
        flex-direction: column;
        align-items: center;
    }
    
    .form-row .form-group {
        max-width: 100%;
        width: 100%;
    }
    
    .calculator-nav .btn {
        min-width: 48px;
        width: 48px;
        height: 48px;
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .calculator-nav .btn span {
        display: none;
    }
    
    .calculator-nav .btn::after {
        font-family: 'Font Awesome 6 Free';
        font-weight: 900;
        font-size: 18px;
    }
    
    #prev-step::after {
        content: '\f104';
    }
    
    #next-step::after {
        content: '\f105';
    }
}

/* Details */
.details {
    padding: 100px 0;
    background: #1f2937;
}

.details-header {
    text-align: center;
    margin-bottom: 60px;
}

.details .badge {
    background: var(--primary-alpha-20);
    color: var(--primary-color);
}

.details .section-title {
    text-align: center;
    font-size: 40px;
    font-weight: var(--font-weight-bold);
    color: white;
    margin-bottom: 0;
    letter-spacing: -0.5px;
}

.details-tabs {
    max-width: 900px;
    margin: 0 auto;
}

.tabs-nav {
    display: flex;
    gap: 12px;
    margin-bottom: 40px;
    overflow-x: auto;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
}

.tabs-nav::-webkit-scrollbar {
    display: none;
}

.tab-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid transparent;
    border-radius: 16px;
    cursor: pointer;
    transition: all var(--transition-fast);
    min-width: 120px;
    white-space: nowrap;
}

.tab-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

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

.tab-btn i {
    font-size: 24px;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-fast);
}

.tab-btn.active i {
    color: var(--primary-color);
}

.tab-btn span {
    font-size: 13px;
    font-weight: var(--font-weight-medium);
    color: rgba(255, 255, 255, 0.7);
}

.tab-btn.active span {
    color: var(--text-primary);
}

.tabs-content {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 48px;
    box-shadow: 0 8px 40px rgba(0,0,0,0.08);
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tab-panel-title {
    font-size: 28px;
    font-weight: var(--font-weight-bold);
    color: white;
    margin-bottom: 12px;
}

.tab-panel-desc {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.checklist {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    list-style: none;
}

.checklist li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 15px;
    color: var(--text-primary);
    line-height: 1.5;
}

.tab-panel .checklist li {
    color: rgba(255, 255, 255, 0.9);
}

.checklist li i {
    color: #10b981;
    font-size: 18px;
    margin-top: 2px;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .details .section-title {
        font-size: 28px;
    }
    
    .tabs-nav {
        gap: 8px;
    }
    
    .tab-btn {
        padding: 12px 16px;
        min-width: 100px;
    }
    
    .tab-btn i {
        font-size: 20px;
    }
    
    .tab-btn span {
        font-size: 12px;
    }
    
    .tabs-content {
        padding: 24px;
    }
    
    .tab-panel-title {
        font-size: 22px;
    }
    
    .checklist {
        grid-template-columns: 1fr;
    }
}

/* Advantages */
.advantages {
    padding: 100px 0;
    background: var(--background-color);
}

.advantages-header {
    text-align: center;
    margin-bottom: 60px;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.advantage-card {
    background: white;
    border-radius: 20px;
    padding: 32px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    transition: all var(--transition-normal);
}

.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.12);
}

.advantage-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: var(--gradient-primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.advantage-icon i {
    font-size: 24px;
    color: white;
}

.advantage-title {
    font-size: 18px;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: 8px;
}

.advantage-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.guarantees {
    background: linear-gradient(135deg, #1f2937 0%, #374151 100%);
    border-radius: 24px;
    padding: 48px;
}

.guarantees-content {
    display: flex;
    align-items: flex-start;
    gap: 32px;
}

.guarantees-icon {
    width: 80px;
    height: 80px;
    min-width: 80px;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.guarantees-icon i {
    font-size: 32px;
    color: white;
}

.guarantees-text h3 {
    font-size: 24px;
    font-weight: var(--font-weight-bold);
    color: white;
    margin-bottom: 20px;
}

.guarantees-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.guarantees-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.9);
}

.guarantees-list li i {
    color: var(--primary-color);
    font-size: 14px;
}

@media (max-width: 1024px) {
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .guarantees-content {
        flex-direction: column;
        text-align: center;
    }
    
    .guarantees-icon {
        margin: 0 auto;
    }
    
    .guarantees-list {
        grid-template-columns: 1fr;
        text-align: left;
    }
}

@media (max-width: 768px) {
    .advantages .section-title {
        font-size: 28px;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .guarantees {
        padding: 32px;
    }
    
    .guarantees-text h3 {
        font-size: 20px;
    }
}

/* Team */
.team {
    padding: 100px 0;
    background: #f8f9fa;
}

.team-header {
    text-align: center;
    margin-bottom: 48px;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.team-card {
    background: white;
    border-radius: 20px;
    padding: 32px 20px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    transition: all var(--transition-normal);
}

.team-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.12);
}

.team-photo {
    margin-bottom: 20px;
}

.team-avatar {
    width: 100px;
    height: 100px;
    margin: 0 auto;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.team-avatar i {
    font-size: 40px;
    color: white;
}

.team-name {
    font-size: 18px;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: 4px;
}

.team-position {
    display: inline-block;
    font-size: 14px;
    color: var(--primary-color);
    font-weight: var(--font-weight-medium);
    margin-bottom: 8px;
}

.team-desc {
    font-size: 13px;
    color: var(--text-secondary);
}

.about-company {
    background: #f8f9fa;
    border-radius: 24px;
    padding: 48px;
    margin-bottom: 60px;
}

.about-content {
    max-width: 700px;
    margin: 0 auto 40px;
    text-align: center;
}

.about-title {
    font-size: 24px;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: 16px;
}

.about-text {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 12px;
}

.credentials-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.credential-item {
    display: flex;
    align-items: center;
    gap: 16px;
    background: white;
    padding: 20px;
    border-radius: 16px;
}

.credential-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.credential-icon i {
    font-size: 18px;
    color: white;
}

.credential-text h4 {
    font-size: 14px;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: 2px;
}

.credential-text p {
    font-size: 12px;
    color: var(--text-secondary);
}

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

.office-header {
    margin-bottom: 40px;
}

.office-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    text-align: left;
}

.office-photo {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    background-size: cover;
    background-position: center;
    min-height: 280px;
}

.office-image {
    height: 200px;
    background: var(--gradient-primary);
    overflow: hidden;
}

.office-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.office-image i {
    font-size: 64px;
    color: white;
    opacity: 0.5;
}

.office-info {
    padding: 24px;
}

.office-info h4 {
    font-size: 18px;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: 8px;
}

.office-info p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.office-map {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

.map-placeholder {
    height: 100%;
    min-height: 280px;
    background: #e5e7eb;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.map-placeholder i {
    font-size: 48px;
    color: var(--text-secondary);
}

.map-placeholder p {
    font-size: 14px;
    color: var(--text-secondary);
}

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

@media (max-width: 768px) {
    .team .section-title {
        font-size: 28px;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .credentials-grid {
        grid-template-columns: 1fr;
    }
    
    .about-company {
        padding: 32px;
    }
}

/* Design */
.design {
    padding: 100px 0;
    background-image: url('../img/bg1.jpg');
    background-attachment: fixed;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    position: relative;
}

.design::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.5);
    pointer-events: none;
}

.design > .container {
    position: relative;
    z-index: 1;
}

.design-header {
    text-align: center;
    margin-bottom: 48px;
}

.design-header .badge {
    background: var(--gradient-primary);
    color: white;
}

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

.design-services {
    margin-bottom: 60px;
}

.design-services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.design-service {
    background: white;
    border-radius: 20px;
    padding: 28px 20px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    transition: all var(--transition-normal);
}

.design-service:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.12);
}

.design-service-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    background: var(--gradient-primary);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.design-service-icon i {
    font-size: 22px;
    color: white;
}

.design-service-title {
    font-size: 15px;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: 8px;
}

.design-service-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.design-cases {
    margin-bottom: 48px;
    text-align: center;
}

.cases-title {
    text-align: center;
    font-size: 24px;
    font-weight: var(--font-weight-bold);
    color: white;
    margin-bottom: 32px;
    background: rgba(0, 0, 0, 0.3);
    padding: 12px 24px;
    border-radius: 12px;
    display: inline-block;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.case-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

.case-image {
    position: relative;
    height: 180px;
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.case-badge {
    position: absolute;
    bottom: 12px;
    left: 12px;
    background: var(--gradient-primary);
    color: white;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: var(--font-weight-medium);
}

.case-content {
    padding: 24px;
}

.case-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.case-before i {
    color: #ef4444;
    font-size: 18px;
    margin-top: 2px;
}

.case-before strong {
    color: #ef4444;
}

.case-after i {
    color: #10b981;
    font-size: 18px;
    margin-top: 2px;
}

.case-after strong {
    color: #10b981;
}

.case-item div {
    flex: 1;
}

.case-item p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 4px;
    line-height: 1.5;
}

.case-arrow {
    text-align: center;
    padding: 12px 0;
    color: var(--text-secondary);
}

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

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

@media (max-width: 768px) {
    .design .section-title {
        font-size: 26px;
    }
    
    .design-services-grid {
        grid-template-columns: 1fr;
    }
    
    .cases-title {
        font-size: 20px;
    }
}

/* Process */
.process {
    padding: 100px 0;
    background-image: url('../img/bg2.jpg');
    background-attachment: fixed;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    position: relative;
}

.process::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    pointer-events: none;
}

.process > .container {
    position: relative;
    z-index: 1;
}

.process .section-title {
    color: white;
}

.process-header {
    text-align: center;
    margin-bottom: 60px;
}

.process-header .badge {
    background: var(--gradient-primary);
    color: white;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.process-step {
    position: relative;
    text-align: center;
}

.step-number {
    font-size: 48px;
    font-weight: var(--font-weight-bold);
    color: var(--primary-alpha-20);
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 0;
}

.step-content {
    position: relative;
    background: white;
    border-radius: 20px;
    padding: 32px 24px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    z-index: 1;
    transition: all var(--transition-normal);
}

.step-content:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.12);
}

.step-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    background: var(--gradient-primary);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-icon i {
    font-size: 22px;
    color: white;
}

.step-title {
    font-size: 16px;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: 12px;
}

.step-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.step-connector {
    display: none;
}

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

@media (max-width: 768px) {
    .process .section-title {
        font-size: 28px;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .step-number {
        font-size: 36px;
    }
}

/* Portfolio */
.portfolio {
    padding: 100px 0;
    background: var(--background-color);
}

.portfolio-header {
    text-align: center;
    margin-bottom: 60px;
}

.badge {
    display: inline-block;
    padding: 8px 16px;
    background: var(--primary-alpha-10);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 13px;
    font-weight: var(--font-weight-medium);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-title {
    font-size: 40px;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.portfolio-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.portfolio-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.12);
}

.portfolio-image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
}

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

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

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

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

.portfolio-overlay i {
    font-size: 32px;
    color: white;
}

.portfolio-info {
    padding: 20px;
}

.portfolio-category {
    display: inline-block;
    font-size: 12px;
    color: var(--primary-color);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.portfolio-title {
    font-size: 18px;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
}

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

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

@media (max-width: 768px) {
    .portfolio .section-title {
        font-size: 28px;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}

/* Reviews */
.reviews {
    padding: 100px 0;
    background: #f8f9fa;
}

.reviews-header {
    text-align: center;
    margin-bottom: 60px;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.review-card {
    background: white;
    border-radius: 20px;
    padding: 32px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    transition: all var(--transition-normal);
}

.review-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
}

.review-rating {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
}

.review-rating i {
    color: #fbbf24;
    font-size: 14px;
}

.review-text {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
    font-style: italic;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.review-avatar {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
}

.review-info {
    display: flex;
    flex-direction: column;
}

.review-name {
    font-size: 16px;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
}

.review-project {
    font-size: 13px;
    color: var(--text-secondary);
}

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

@media (max-width: 768px) {
    .reviews .section-title {
        font-size: 28px;
    }
    
    .reviews-grid {
        grid-template-columns: 1fr;
    }
}

/* Contact */
.contact {
    padding: 100px 0;
    background: white;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info .section-title {
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 32px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-alpha-10);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 18px;
    flex-shrink: 0;
}

.contact-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.contact-label {
    font-size: 13px;
    color: var(--text-secondary);
}

.contact-value {
    font-size: 16px;
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
}

.contact-social {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 44px;
    height: 44px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
    transition: all var(--transition-normal);
}

.social-link:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.contact-form-wrapper {
    background: white;
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 8px 40px rgba(0,0,0,0.08);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    padding: 16px 20px;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    font-size: 15px;
    font-family: var(--font-family);
    transition: border-color var(--transition-fast);
    background: #f9fafb;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: white;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.btn-full {
    width: 100%;
}

.form-consent {
    font-size: 12px;
    color: var(--text-secondary);
    text-align: center;
    margin-top: 12px;
}

@media (max-width: 1024px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-form-wrapper {
        padding: 32px;
    }
}

@media (max-width: 768px) {
    .contact .section-title {
        font-size: 28px;
    }
}

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    padding: 80px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 60px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: var(--font-weight-bold);
    margin-bottom: 16px;
}

.footer-logo i {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-desc {
    font-size: 14px;
    color: #9ca3af;
    line-height: 1.7;
    max-width: 300px;
}

.footer-title {
    font-size: 16px;
    font-weight: var(--font-weight-bold);
    margin-bottom: 20px;
}

.footer-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-menu li a {
    font-size: 14px;
    color: #9ca3af;
    transition: color var(--transition-fast);
}

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

.footer-contacts {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-contacts li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: #9ca3af;
}

.footer-contacts li i {
    color: var(--primary-color);
    width: 16px;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 24px;
    border-top: 1px solid #374151;
}

.footer-bottom p {
    font-size: 14px;
    color: #9ca3af;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

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

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .logo-text {
        font-size: 14px;
    }
}

/* Utility */
:root {
    --background-color: #ffffff;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --border-color: #e5e7eb;
    --surface-color: #f9fafb;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.modal {
    background: white;
    border-radius: 24px;
    padding: 40px;
    max-width: 480px;
    width: 90%;
    position: relative;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    background: #f3f4f6;
    border: none;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: #e5e7eb;
    color: var(--text-primary);
}

.modal-title {
    font-size: 24px;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: 8px;
    text-align: center;
}

.modal-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 24px;
}

.modal-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}