@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800;900&family=Open+Sans:wght@300;400;500;600;700&display=swap');

:root {
    --primary-color: #0077b6;
    --primary-dark: #005f8a;
    --primary-light: #00a8e8;
    --primary-rgb: 0, 119, 182;
    --secondary-color: #48cae4;
    --secondary-dark: #00b4d8;
    --accent-color: #90e0ef;
    --accent-warm: #caf0f8;
    --text-color: #1a1a2e;
    --text-light: #4a5568;
    --text-muted: #718096;
    --bg-color: #ffffff;
    --bg-light: #f7fafc;
    --bg-dark: #0a1628;
    --bg-section: #f0f9ff;
    --border-color: #e2e8f0;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.2);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Open Sans', sans-serif;
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    line-height: 1.3;
}

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

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

ul, ol {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    margin: 1rem auto 0;
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: #ffffff;
    border-color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(var(--primary-rgb), 0.35);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(var(--primary-rgb), 0.45);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border: 2px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(4px);
}

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

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(var(--primary-rgb), 0.3);
}

.btn-full {
    width: 100%;
}

.btn-large {
    padding: 18px 42px;
    font-size: 1.1rem;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 75px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    font-size: 1.3rem;
    color: var(--primary-color);
    z-index: 1001;
}

.logo-icon {
    font-size: 1.6rem;
    color: var(--primary-light);
}

.logo-text {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-color);
    position: relative;
    padding: 4px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    transition: var(--transition);
    border-radius: 1px;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link:hover {
    color: var(--primary-color);
}

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
    gap: 6px;
    padding: 8px;
}

.hamburger-line {
    display: block;
    width: 28px;
    height: 3px;
    background: var(--text-color);
    border-radius: 2px;
    transition: var(--transition);
}

.hamburger.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.hamburger.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

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

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

.hero-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 30, 60, 0.75) 0%, rgba(0, 119, 182, 0.55) 50%, rgba(0, 180, 216, 0.4) 100%);
}

.hero .container {
    position: relative;
    z-index: 2;
    padding-top: 100px;
    padding-bottom: 60px;
}

.hero-content {
    max-width: 700px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    color: #ffffff;
    margin-bottom: 1.5rem;
    line-height: 1.15;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.5rem;
    line-height: 1.8;
    max-width: 580px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.stats {
    padding: 50px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    position: relative;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.stat-item {
    padding: 20px 10px;
}

.stat-number {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.8rem;
    font-weight: 900;
    color: #ffffff;
    margin-bottom: 0.5rem;
    font-variant-numeric: tabular-nums;
    min-width: 120px;
    display: inline-block;
    text-align: center;
}

.stat-label {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.about {
    padding: 80px 0;
    background: var(--bg-color);
}

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

.about-image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image {
    width: 100%;
    height: 450px;
    object-fit: cover;
    transition: var(--transition-slow);
}

.about-image-wrapper:hover .about-image {
    transform: scale(1.05);
    filter: brightness(1.05);
}

.about-content .section-title {
    text-align: left;
}

.about-content .section-title::after {
    margin: 1rem 0 0;
}

.about-content .section-subtitle {
    text-align: left;
    margin-left: 0;
    margin-bottom: 1.5rem;
}

.about-text {
    color: var(--text-light);
    margin-bottom: 1rem;
    font-size: 1.05rem;
    line-height: 1.8;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin: 2rem 0;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 14px;
    font-weight: 500;
    color: var(--text-color);
}

.about-feature i {
    font-size: 1.3rem;
    color: var(--primary-color);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--primary-rgb), 0.1);
    border-radius: 50%;
    flex-shrink: 0;
}

.products {
    padding: 80px 0;
    background: var(--bg-section);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card {
    background: #ffffff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.product-image-wrapper {
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    overflow: hidden;
    height: 240px;
}

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

.product-card:hover .product-image {
    transform: scale(1.08) rotate(1deg);
}

.product-content {
    padding: 28px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-color);
    min-height: 40px;
    display: flex;
    align-items: center;
}

.product-description {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.7;
    flex-grow: 1;
    margin-bottom: 1.25rem;
}

.product-volumes {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 1.5rem;
    margin-top: auto;
}

.volume-tag {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(var(--primary-rgb), 0.08);
    color: var(--primary-color);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 20px;
    border: 1px solid rgba(var(--primary-rgb), 0.15);
}

.advantages {
    padding: 80px 0;
    background: var(--bg-color);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.advantage-card {
    text-align: center;
    padding: 40px 28px;
    background: #ffffff;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
}

.advantage-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: rgba(var(--primary-rgb), 0.2);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.1), rgba(72, 202, 228, 0.1));
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.advantage-icon i {
    font-size: 2rem;
    color: var(--primary-color);
    transition: var(--transition);
}

.advantage-card:hover .advantage-icon {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    transform: scale(1.1);
}

.advantage-card:hover .advantage-icon i {
    color: #ffffff;
}

.advantage-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-color);
    min-height: 50px;
    display: flex;
    align-items: center;
}

.advantage-text {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.7;
    flex-grow: 1;
}

.process {
    padding: 80px 0;
    background: var(--bg-section);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    position: relative;
}

.process-step {
    text-align: center;
    padding: 30px 20px;
    position: relative;
}

.process-number {
    font-family: 'Montserrat', sans-serif;
    font-size: 3rem;
    font-weight: 900;
    color: rgba(var(--primary-rgb), 0.1);
    margin-bottom: 0.5rem;
    line-height: 1;
}

.process-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    margin: 0 auto 1.25rem;
    box-shadow: 0 6px 20px rgba(var(--primary-rgb), 0.3);
}

.process-icon i {
    font-size: 1.6rem;
    color: #ffffff;
}

.process-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-color);
}

.process-text {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.7;
}

.gallery {
    padding: 80px 0;
    background: var(--bg-color);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

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

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

.gallery-item:hover .gallery-image {
    transform: scale(1.1);
    filter: brightness(0.8);
}

.gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 16px 20px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
    color: #ffffff;
    font-weight: 600;
    font-size: 0.95rem;
    transform: translateY(100%);
    transition: var(--transition);
}

.gallery-item:hover .gallery-caption {
    transform: translateY(0);
}

.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 50%, var(--secondary-dark) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.08) 0%, transparent 60%);
    animation: cta-pulse 8s ease-in-out infinite;
}

@keyframes cta-pulse {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.1); }
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 1rem;
}

.cta-text {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-section .btn-primary {
    background: #ffffff;
    color: var(--primary-color);
    border-color: #ffffff;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.cta-section .btn-primary:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.testimonials {
    padding: 80px 0;
    background: var(--bg-section);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background: #ffffff;
    border-radius: var(--radius-md);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
    border-top: 4px solid transparent;
}

.testimonial-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-top-color: var(--primary-color);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 1.25rem;
}

.testimonial-photo {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid rgba(var(--primary-rgb), 0.15);
    flex-shrink: 0;
}

.testimonial-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.testimonial-name {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-color);
}

.testimonial-stars {
    display: flex;
    gap: 3px;
}

.testimonial-stars i {
    color: #f59e0b;
    font-size: 0.85rem;
}

.testimonial-text {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.8;
    font-style: italic;
    flex-grow: 1;
    position: relative;
    padding-left: 16px;
    border-left: 3px solid rgba(var(--primary-rgb), 0.15);
}

.contact {
    padding: 80px 0;
    background: var(--bg-color);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 18px;
}

.contact-item > i {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(var(--primary-rgb), 0.1);
    color: var(--primary-color);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text-color);
}

.contact-item p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

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

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

.contact-socials {
    display: flex;
    gap: 14px;
    margin-top: 10px;
}

.social-link {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(var(--primary-rgb), 0.1);
    color: var(--primary-color);
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary-color);
    color: #ffffff;
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(var(--primary-rgb), 0.35);
}

.contact-form {
    background: var(--bg-section);
    padding: 40px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 8px;
    color: var(--text-color);
}

.required {
    color: #e53e3e;
    font-weight: 700;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    font-family: 'Open Sans', sans-serif;
    font-size: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: #ffffff;
    color: var(--text-color);
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(var(--primary-rgb), 0.1);
}

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

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

.footer {
    background: var(--bg-dark);
    padding: 60px 0 0;
    color: rgba(255, 255, 255, 0.8);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 50px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1rem;
}

.footer-logo i {
    font-size: 1.6rem;
    color: var(--secondary-color);
}

.footer-logo span {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.3rem;
    font-weight: 800;
    color: #ffffff;
}

.footer-description {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.95rem;
    line-height: 1.7;
}

.footer-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1.25rem;
}

.footer-link {
    display: block;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.95rem;
    padding: 6px 0;
    transition: var(--transition);
}

.footer-link:hover {
    color: var(--secondary-color);
    padding-left: 6px;
}

.footer-contacts p {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-contacts p i {
    color: var(--secondary-color);
    font-size: 1rem;
    width: 20px;
    text-align: center;
}

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

.footer-contacts a:hover {
    color: var(--secondary-color);
}

.footer-socials {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.footer-socials .social-link {
    width: 42px;
    height: 42px;
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.1rem;
}

.footer-socials .social-link:hover {
    background: var(--primary-color);
    color: #ffffff;
}

.footer-bottom {
    text-align: center;
    padding: 24px 0;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.9rem;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    display: flex;
    opacity: 1;
}

.modal {
    background: #ffffff;
    border-radius: var(--radius-lg);
    padding: 48px;
    max-width: 500px;
    width: 90%;
    position: relative;
    transform: scale(0.9);
    transition: transform 0.3s ease;
    box-shadow: var(--shadow-xl);
}

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

.modal-close {
    position: absolute;
    top: 16px;
    right: 20px;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
    line-height: 1;
}

.modal-close:hover {
    color: var(--text-color);
    transform: rotate(90deg);
}

.modal-title {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
    color: var(--text-color);
}

.modal-text {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.modal-form .form-group {
    margin-bottom: 16px;
}

.toast-notification {
    position: fixed;
    top: 20px;
    right: -350px;
    z-index: 9999;
    padding: 15px 20px;
    border-radius: 8px;
    color: white;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    max-width: 300px;
    transition: right 0.3s ease-out;
    font-family: 'Open Sans', sans-serif;
}

.toast-notification.show {
    right: 20px;
}

.toast-notification.success {
    background: #28a745;
}

.toast-notification.error {
    background: #dc3545;
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.no-js .animate-on-scroll {
    opacity: 1;
    transform: none;
}

.comparison-slider {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: 2rem auto;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    cursor: ew-resize;
    user-select: none;
}

.comparison-images {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
}

.comparison-before,
.comparison-after {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.comparison-before {
    z-index: 1;
}

.comparison-after {
    z-index: 2;
    clip-path: polygon(50% 0, 100% 0, 100% 100%, 50% 100%);
    transition: clip-path 0.05s ease;
}

.comparison-label {
    position: absolute;
    top: 20px;
    padding: 8px 16px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    font-weight: 600;
    border-radius: 6px;
    z-index: 10;
    pointer-events: none;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.9rem;
}

.comparison-before .comparison-label {
    left: 20px;
}

.comparison-after .comparison-label {
    right: 20px;
}

.comparison-handle {
    position: absolute;
    top: 0;
    left: 50%;
    width: 4px;
    height: 100%;
    background: white;
    z-index: 5;
    transform: translateX(-50%);
    pointer-events: none;
}

.comparison-divider {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    pointer-events: all;
    cursor: ew-resize;
}

.comparison-divider::before,
.comparison-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 12px;
    height: 12px;
    border-top: 3px solid #333;
    transform: translateY(-50%);
}

.comparison-divider::before {
    left: 12px;
    border-left: 3px solid #333;
    transform: translateY(-50%) rotate(-45deg);
}

.comparison-divider::after {
    right: 12px;
    border-right: 3px solid #333;
    transform: translateY(-50%) rotate(45deg);
}

.results-description {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 1rem;
    font-style: italic;
}

@media (max-width: 1024px) {
    .container {
        padding: 0 24px;
    }

    .section-title {
        font-size: 2.1rem;
    }

    .hero-title {
        font-size: 2.8rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image {
        height: 350px;
    }

    .about-content .section-title {
        text-align: center;
    }

    .about-content .section-title::after {
        margin: 1rem auto 0;
    }

    .about-content .section-subtitle {
        text-align: center;
        margin-left: auto;
    }

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

    .products-grid .product-card:last-child {
        grid-column: 1 / -1;
        max-width: 400px;
        margin: 0 auto;
    }

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

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

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

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

    .testimonials-grid .testimonial-card:last-child {
        grid-column: 1 / -1;
        max-width: 500px;
        margin: 0 auto;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }

    .footer-grid .footer-about {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: #ffffff;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 24px;
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.15);
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1000;
    }

    .nav.active {
        right: 0;
    }

    .nav-link {
        font-size: 1.1rem;
    }

    .hamburger {
        display: flex;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1.05rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 12px;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .stat-number {
        font-size: 2.2rem;
    }

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

    .products-grid .product-card:last-child {
        max-width: 100%;
    }

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

    .process-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

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

    .testimonials-grid .testimonial-card:last-child {
        max-width: 100%;
    }

    .cta-title {
        font-size: 1.8rem;
    }

    .contact-form {
        padding: 28px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .modal {
        padding: 32px 24px;
    }

    .comparison-slider {
        max-width: 100%;
        border-radius: 8px;
    }

    .comparison-divider {
        width: 40px;
        height: 40px;
    }

    .comparison-label {
        padding: 6px 12px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .header .container {
        height: 65px;
    }

    .hero .container {
        padding-top: 80px;
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .stat-number {
        font-size: 1.8rem;
        min-width: 80px;
    }

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

    .product-image-wrapper {
        height: 200px;
    }

    .contact-form {
        padding: 20px;
    }
}

@media (max-width: 576px) {
    .toast-notification {
        right: -100%;
        left: auto;
        max-width: calc(100% - 40px);
    }

    .toast-notification.show {
        right: 20px;
    }
}