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

:root {
    --primary: #1565C0;
    --primary-light: #42A5F5;
    --primary-dark: #0D47A1;
    --secondary: #0A0A0A;
    --accent: #FF6F00;
    --accent-light: #FFA040;
    --accent-dark: #E65100;
    --gradient-1: linear-gradient(135deg, #0D47A1, #1E88E5);
    --gradient-2: linear-gradient(135deg, #1565C0, #42A5F5);
    --bg-light: #FFFFFF;
    --bg-gray: #F5F7FA;
    --bg-deep: #0D1B3E;
    --bg-deep-end: #061029;
    --bg-dark-footer: #0A1628;
    --gradient-dark: linear-gradient(180deg, #0D1B3E, #061029);
    --gradient-dark-footer: linear-gradient(180deg, #0A1628, #050D1A);
    --text-dark: #1A1A2E;
    --text-body: #4A4A5A;
    --text-light: #FFFFFF;
    --text-muted: #8A8A9A;
    --border-color: #E0E6ED;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.12);
    --shadow-lg: 0 16px 48px rgba(0,0,0,0.16);
    --shadow-blue: 0 8px 30px rgba(21,101,192,0.25);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --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;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Roboto', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-body);
    background: var(--bg-light);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', Arial, sans-serif;
    font-weight: 700;
    color: var(--text-dark);
    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: clamp(1.8rem, 4vw, 2.6rem);
    text-align: center;
    margin-bottom: 0.5rem;
    position: relative;
    padding-bottom: 20px;
    color: var(--text-dark);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-1);
    border-radius: 2px;
}

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

.section-title-light::after {
    background: var(--accent);
}

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

.section-subtitle-light {
    color: rgba(255,255,255,0.7);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    line-height: 1.4;
}

.btn-primary {
    background: var(--accent);
    color: var(--text-light);
    box-shadow: 0 4px 15px rgba(255,111,0,0.3);
}

.btn-primary:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255,111,0,0.4);
}

.btn-outline {
    background: rgba(255,255,255,0.1);
    color: var(--text-light);
    border: 2px solid rgba(255,255,255,0.8);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.2);
    border-color: #fff;
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 40px;
    font-size: 1.05rem;
}

.btn-submit {
    width: 100%;
    padding: 16px;
    font-size: 1.05rem;
}

.btn-pulse {
    animation: btn-pulse-ring 2.5s infinite;
}

@keyframes btn-pulse-ring {
    0% { box-shadow: 0 4px 15px rgba(255,111,0,0.3), 0 0 0 0 rgba(255,111,0,0.4); }
    70% { box-shadow: 0 4px 15px rgba(255,111,0,0.3), 0 0 0 12px rgba(255,111,0,0); }
    100% { box-shadow: 0 4px 15px rgba(255,111,0,0.3), 0 0 0 0 rgba(255,111,0,0); }
}

.required {
    color: #E53935;
    font-weight: 700;
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: transparent;
    transition: var(--transition);
    padding: 15px 0;
}

.site-header.scrolled {
    background: rgba(10,22,40,0.95);
    backdrop-filter: blur(12px);
    padding: 10px 0;
    box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

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

.logo-icon {
    font-size: 1.5rem;
    color: var(--accent);
}

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

.nav-list {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    color: rgba(255,255,255,0.85);
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    font-size: 0.9rem;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    position: relative;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: var(--transition);
    transform: translateX(-50%);
    border-radius: 1px;
}

.nav-link:hover {
    color: #fff;
}

.nav-link:hover::after {
    width: 60%;
}

.header-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-light);
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    white-space: nowrap;
}

.header-phone i {
    color: var(--accent);
}

.header-phone:hover {
    color: var(--accent);
}

.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-light);
    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: translateX(-10px);
}

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

.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 120px 0 140px;
}

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

.hero-bg-img {
    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(0,20,60,0.88), rgba(0,0,0,0.55));
    z-index: 1;
}

.hero-section::after {
    content: '';
    position: absolute;
    top: -25%;
    left: -25%;
    width: 150%;
    height: 150%;
    background: radial-gradient(ellipse at 30% 50%, rgba(21,101,192,0.15) 0%, transparent 60%);
    z-index: 2;
    animation: pulse-glow 8s ease-in-out infinite;
    pointer-events: none;
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.05); }
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 800;
    color: var(--text-light);
    margin-bottom: 1.2rem;
    letter-spacing: -0.5px;
    line-height: 1.15;
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.3rem);
    color: rgba(255,255,255,0.85);
    margin-bottom: 2.5rem;
    font-weight: 300;
    line-height: 1.6;
}

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

.animate-fade-up {
    opacity: 0;
    transform: translateY(40px);
    animation: fadeUp 0.8s ease forwards;
}

.delay-1 {
    animation-delay: 0.3s;
}

.delay-2 {
    animation-delay: 0.6s;
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section-divider {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 80px;
    z-index: 10;
    pointer-events: none;
    transform: none !important;
}

.section-divider svg {
    display: block;
    width: 100%;
    height: 100%;
}

.services-section {
    position: relative;
    padding: 80px 0 120px;
    background: var(--bg-light);
}

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

.service-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition-slow);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: visible;
    height: 100%;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-1);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(21,101,192,0.15);
    border-color: transparent;
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(21,101,192,0.08);
    transition: var(--transition);
}

.service-icon i {
    font-size: 1.8rem;
    color: var(--primary);
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--gradient-1);
}

.service-card:hover .service-icon i {
    color: #fff;
}

.service-content {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.service-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
    min-height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dark);
}

.service-description {
    font-size: 0.92rem;
    color: var(--text-muted);
    line-height: 1.6;
    flex-grow: 1;
    min-height: 70px;
    margin-bottom: 16px;
}

.service-price {
    margin-top: auto;
    font-family: 'Montserrat', sans-serif;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--accent);
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

.advantages-section {
    position: relative;
    padding: 80px 0 120px;
    background: var(--gradient-dark);
    color: var(--text-light);
}

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

.advantage-card {
    text-align: center;
    padding: 32px 16px;
    border-radius: var(--radius-lg);
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    transition: var(--transition);
}

.advantage-card:hover {
    background: rgba(255,255,255,0.08);
    transform: translateY(-4px);
}

.advantage-icon {
    margin-bottom: 16px;
}

.advantage-icon i {
    font-size: 2.2rem;
    color: var(--primary-light);
}

.stat-number {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(2.2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--accent);
    font-variant-numeric: tabular-nums;
    min-width: 120px;
    display: inline-block;
    text-align: center;
    margin-bottom: 8px;
}

.advantage-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 10px;
}

.advantage-text {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.6;
}

.before-after-section {
    position: relative;
    padding: 80px 0 120px;
    background: var(--bg-light);
}

.before-after-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.comparison-slider {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    cursor: ew-resize;
    user-select: none;
}

.comparison-images {
    position: relative;
    width: 100%;
    padding-bottom: 66.67%;
}

.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: 16px;
    padding: 6px 14px;
    background: rgba(0,0,0,0.7);
    color: white;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
    z-index: 10;
    pointer-events: none;
}

.comparison-before .comparison-label {
    left: 16px;
}

.comparison-after .comparison-label {
    right: 16px;
}

.comparison-handle {
    position: absolute;
    top: 0;
    left: 50%;
    width: 3px;
    height: 100%;
    background: white;
    z-index: 5;
    transform: translateX(-50%);
    pointer-events: none;
}

.comparison-divider {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 44px;
    height: 44px;
    background: white;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: ew-resize;
    pointer-events: auto;
}

.comparison-divider::before,
.comparison-divider::after {
    content: '';
    position: absolute;
    width: 0;
    height: 0;
    border-style: solid;
}

.comparison-divider::before {
    border-width: 7px 10px 7px 0;
    border-color: transparent #333 transparent transparent;
    left: 9px;
}

.comparison-divider::after {
    border-width: 7px 0 7px 10px;
    border-color: transparent transparent transparent #333;
    right: 9px;
}

.results-description {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.95rem;
    color: var(--text-muted);
    font-style: italic;
}

.history-section {
    position: relative;
    padding: 80px 0 120px;
    background: var(--gradient-dark);
    color: var(--text-light);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 100%;
    background: var(--primary-light);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    width: 50%;
    padding: 0 40px 50px;
}

.timeline-left {
    left: 0;
    text-align: right;
    padding-right: 50px;
}

.timeline-right {
    left: 50%;
    text-align: left;
    padding-left: 50px;
}

.timeline-dot {
    position: absolute;
    top: 5px;
    width: 18px;
    height: 18px;
    background: var(--primary);
    border: 3px solid var(--primary-light);
    border-radius: 50%;
    z-index: 2;
}

.timeline-left .timeline-dot {
    right: -9px;
}

.timeline-right .timeline-dot {
    left: -9px;
}

.timeline-content {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    padding: 24px;
    transition: var(--transition);
}

.timeline-content:hover {
    background: rgba(255,255,255,0.08);
    transform: translateY(-2px);
}

.timeline-year {
    display: inline-block;
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    font-size: 0.85rem;
    color: var(--accent);
    background: rgba(255,111,0,0.15);
    padding: 4px 14px;
    border-radius: 20px;
    margin-bottom: 10px;
}

.timeline-title {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 8px;
}

.timeline-text {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.6;
}

.team-section {
    position: relative;
    padding: 80px 0 120px;
    background: var(--bg-light);
}

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

.team-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    overflow: visible;
    border: 1px solid var(--border-color);
    transition: var(--transition-slow);
    height: 100%;
}

.team-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.team-photo {
    overflow: hidden;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    height: 280px;
}

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

.team-card:hover .team-photo img {
    transform: scale(1.05);
    filter: brightness(1.05);
}

.team-info {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    padding: 24px;
}

.team-name {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.team-role {
    font-size: 0.9rem;
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 12px;
}

.team-description {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
    flex-grow: 1;
}

.testimonials-section {
    position: relative;
    padding: 80px 0 120px;
    background: var(--bg-gray);
}

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

.testimonial-card {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
}

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

.testimonial-quote-icon {
    margin-bottom: 16px;
}

.testimonial-quote-icon i {
    font-size: 1.8rem;
    color: var(--primary-light);
    opacity: 0.4;
}

.testimonial-stars {
    margin-bottom: 16px;
    display: flex;
    gap: 3px;
}

.testimonial-stars i {
    color: #FFC107;
    font-size: 0.95rem;
}

.testimonial-text {
    font-size: 0.95rem;
    color: var(--text-body);
    line-height: 1.7;
    flex-grow: 1;
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.testimonial-photo {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-light);
}

.testimonial-name {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 2px;
}

.testimonial-role {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.callback-section {
    position: relative;
    padding: 80px 0 120px;
    background: var(--bg-light);
}

.callback-wrapper {
    max-width: 700px;
    margin: 0 auto;
    background: var(--bg-light);
    border-radius: var(--radius-xl);
    padding: 40px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 0;
}

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

.form-group label {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-family: 'Roboto', sans-serif;
    font-size: 0.95rem;
    color: var(--text-dark);
    background: var(--bg-gray);
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    background: var(--bg-light);
    box-shadow: 0 0 0 4px rgba(21,101,192,0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%234A4A5A' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}

.faq-section {
    position: relative;
    padding: 80px 0 120px;
    background: var(--gradient-dark-footer);
    color: var(--text-light);
}

.faq-list {
    max-width: 750px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 12px;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: rgba(255,255,255,0.2);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    background: rgba(255,255,255,0.04);
    border: none;
    color: var(--text-light);
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-align: left;
    gap: 16px;
}

.faq-question:hover {
    background: rgba(255,255,255,0.08);
}

.faq-icon {
    font-size: 0.85rem;
    transition: var(--transition);
    flex-shrink: 0;
    color: var(--primary-light);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 24px 18px;
    font-size: 0.95rem;
    color: rgba(255,255,255,0.65);
    line-height: 1.7;
}

.contact-section {
    position: relative;
    padding: 80px 0 60px;
    background: var(--bg-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
    align-items: start;
}

.contact-info-block {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

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

.contact-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(21,101,192,0.08);
    color: var(--primary);
    font-size: 1.1rem;
}

.contact-item h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.contact-item p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.5;
}

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

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

.contact-socials {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

.social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(21,101,192,0.08);
    color: var(--primary);
    font-size: 1.1rem;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--gradient-1);
    color: #fff;
    transform: translateY(-3px);
    box-shadow: var(--shadow-blue);
}

.contact-map {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.contact-map iframe {
    display: block;
    width: 100%;
    min-height: 400px;
    border: none;
}

.exit-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(6px);
    z-index: 9998;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    padding: 20px;
}

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

.exit-modal {
    background: var(--bg-light);
    border-radius: var(--radius-xl);
    padding: 40px;
    max-width: 460px;
    width: 100%;
    text-align: center;
    position: relative;
    transform: translateY(30px) scale(0.95);
    transition: var(--transition-slow);
    box-shadow: var(--shadow-lg);
}

.exit-modal-overlay.active .exit-modal {
    transform: translateY(0) scale(1);
}

.exit-modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-gray);
    border: none;
    border-radius: 50%;
    font-size: 1.4rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
}

.exit-modal-close:hover {
    background: #E53935;
    color: #fff;
}

.exit-modal-icon {
    margin-bottom: 16px;
}

.exit-modal-icon i {
    font-size: 3rem;
    color: var(--primary);
}

.exit-modal-title {
    font-size: 1.4rem;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.exit-modal-text {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 24px;
    line-height: 1.6;
}

.exit-modal-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.exit-modal-form input {
    width: 100%;
    padding: 14px 16px;
    font-family: 'Roboto', sans-serif;
    font-size: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    outline: none;
    transition: var(--transition);
}

.exit-modal-form input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(21,101,192,0.1);
}

.btn-modal-submit {
    width: 100%;
    padding: 14px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-modal-submit:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255,111,0,0.35);
}

.site-footer {
    background: var(--gradient-dark-footer);
    color: rgba(255,255,255,0.7);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.3fr 0.8fr 0.8fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 14px;
}

.footer-logo i {
    color: var(--accent);
    font-size: 1.3rem;
}

.footer-logo-accent {
    color: var(--accent);
}

.footer-about {
    font-size: 0.9rem;
    line-height: 1.7;
    color: rgba(255,255,255,0.5);
}

.footer-heading {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 18px;
    position: relative;
    padding-bottom: 10px;
}

.footer-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--accent);
    border-radius: 1px;
}

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.55);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-light);
    padding-left: 4px;
}

.footer-contacts li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.55);
}

.footer-contacts i {
    color: var(--primary-light);
    font-size: 0.85rem;
    min-width: 16px;
}

.footer-contacts a {
    color: rgba(255,255,255,0.55);
}

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

.footer-socials {
    display: flex;
    gap: 10px;
    margin-top: 16px;
}

.footer-socials a {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
    color: rgba(255,255,255,0.6);
    font-size: 0.95rem;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding: 24px 0;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.35);
}

.scroll-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-1);
    color: #fff;
    border: none;
    font-size: 1.1rem;
    cursor: pointer;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(21,101,192,0.4);
    display: flex;
    align-items: center;
    justify-content: center;
}

.scroll-top-btn.show {
    opacity: 1;
    visibility: visible;
}

.scroll-top-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(21,101,192,0.5);
}

.floating-call-btn {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 55px;
    height: 55px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    font-size: 1.3rem;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(255,111,0,0.4);
    transition: var(--transition);
    animation: call-pulse 2s infinite;
}

.floating-call-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(255,111,0,0.5);
}

@keyframes call-pulse {
    0% { box-shadow: 0 4px 15px rgba(255,111,0,0.4), 0 0 0 0 rgba(255,111,0,0.4); }
    70% { box-shadow: 0 4px 15px rgba(255,111,0,0.4), 0 0 0 15px rgba(255,111,0,0); }
    100% { box-shadow: 0 4px 15px rgba(255,111,0,0.4), 0 0 0 0 rgba(255,111,0,0); }
}

.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;
}

.toast-notification {
    position: fixed;
    top: 20px;
    right: -350px;
    z-index: 9999;
    padding: 15px 20px;
    border-radius: var(--radius-sm);
    color: white;
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    font-size: 0.9rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    max-width: 340px;
    transition: right 0.3s ease-out;
}

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

.toast-notification.success {
    background: #2E7D32;
}

.toast-notification.error {
    background: #C62828;
}

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

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

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

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

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

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

    .before-after-grid {
        grid-template-columns: 1fr;
        max-width: 600px;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(10,22,40,0.97);
        backdrop-filter: blur(12px);
        display: flex;
        align-items: center;
        justify-content: center;
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        z-index: 999;
    }

    .main-nav.active {
        opacity: 1;
        visibility: visible;
    }

    .nav-list {
        flex-direction: column;
        gap: 6px;
    }

    .nav-link {
        font-size: 1.3rem;
        padding: 14px 24px;
    }

    .nav-link::after {
        display: none;
    }

    .header-phone {
        display: none;
    }

    .hero-section {
        min-height: 85vh;
        padding: 100px 0 120px;
    }

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

    .hero-buttons .btn {
        width: 100%;
        max-width: 320px;
        font-size: 1.05rem;
        padding: 16px;
    }

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

    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .stat-number {
        min-width: 100px;
        font-size: clamp(1.8rem, 6vw, 2.5rem);
    }

    .team-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

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

    .form-row {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .callback-wrapper {
        padding: 28px 20px;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        width: 100%;
        padding-left: 50px;
        padding-right: 0;
        text-align: left;
    }

    .timeline-left {
        text-align: left;
        padding-right: 0;
    }

    .timeline-right {
        left: 0;
    }

    .timeline-left .timeline-dot,
    .timeline-right .timeline-dot {
        left: 11px;
        right: auto;
    }

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

    .section-divider {
        height: 50px;
    }

    .exit-modal {
        padding: 30px 20px;
    }

    .floating-call-btn {
        bottom: 20px;
        left: 20px;
        width: 50px;
        height: 50px;
        font-size: 1.1rem;
    }

    .scroll-top-btn {
        bottom: 20px;
        right: 20px;
        width: 46px;
        height: 46px;
    }

    .contact-map iframe {
        min-height: 300px;
    }
}

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

    .hero-title {
        font-size: clamp(1.8rem, 7vw, 2.4rem);
    }

    .section-title {
        font-size: clamp(1.5rem, 5vw, 2rem);
    }

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

    .advantage-card {
        padding: 24px 16px;
    }

    .service-card {
        padding: 24px 18px;
    }

    .service-price {
        font-size: 1.2rem;
    }

    .comparison-divider {
        width: 36px;
        height: 36px;
    }

    .comparison-divider::before {
        border-width: 6px 8px 6px 0;
        left: 8px;
    }

    .comparison-divider::after {
        border-width: 6px 0 6px 8px;
        right: 8px;
    }

    .toast-notification {
        right: -100%;
        max-width: calc(100% - 32px);
    }

    .toast-notification.show {
        right: 16px;
    }
}

@media (hover: none) {
    .hero-bg-img {
        background-attachment: scroll;
    }
}