/* === Variables === */
:root {
    --color-bg: #f0f4f8;
    --color-bg-alt: #e8eef4;
    --color-text: #1a2332;
    --color-text-white: #ffffff;
    --color-text-muted: #5a6b7d;
    --color-accent: #4a90d9;
    --color-accent-soft: #7eb3e8;
    --color-glass: rgba(255, 255, 255, 0.65);
    --color-glass-border: rgba(255, 255, 255, 0.5);
    --color-glass-shadow: rgba(0, 0, 0, 0.06);
    --font-main: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Instrument Serif', Georgia, serif;
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 3.5rem;
    --space-xl: 6rem;
    --radius: 16px;
    --radius-lg: 24px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: linear-gradient(160deg, #e8eef4 0%, #f5f8fc 50%, #eef2f7 100%);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* === Typography === */
h1, h2, h3 {
    font-weight: 400;
}

h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

/* === Header === */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.8) inset;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.5);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
}

.logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: 0.02em;
}

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

.nav-toggle {
    display: none;
}

.nav-inner {
    display: contents;
}

.nav-menu-label {
    display: none;
}

.nav {
    display: flex;
    gap: var(--space-lg);
    margin-left: 100px;
}

.nav-link {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    transition: color var(--transition);
}

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

.header-contacts {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.header-phone {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
    transition: color var(--transition);
}

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

.header-wa {
    font-size: 0.8125rem;
    color: var(--color-accent);
    text-decoration: none;
    padding: var(--space-xs) var(--space-sm);
    border: 1px solid var(--color-accent-soft);
    border-radius: var(--radius);
    transition: all var(--transition);
}

.header-wa:hover {
    background: rgba(74, 144, 217, 0.1);
}

/* === Hero === */
.hero {
    position: relative;
    min-height: 100vh;
    width: 100%;
    max-width: none;
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-xl) var(--space-md);
    padding-top: 6rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    /* background: url('https://images.unsplash.com/photo-1600607687939-ce8a6c25118c?w=1920') center/cover no-repeat; */
    background: url('images/hero-bg.png') center/cover no-repeat;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(232, 238, 244, 0.82) 0%, rgba(245, 248, 252, 0.9) 50%, rgba(240, 244, 248, 0.93) 100%);
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    opacity: 0.06;
    pointer-events: none;
}

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

.hero-badge {
    width: max-content;
    margin: 0 auto;
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
    padding: var(--space-xs) var(--space-sm);
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: var(--radius);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

.hero-title {
    margin-bottom: var(--space-sm);
}

.hero-tagline {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-style: italic;
    color: var(--color-text-muted);
    margin-bottom: var(--space-xs);
}

.hero-subtitle {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
    font-weight: 400;
}

/* === Buttons === */
.btn {
    display: inline-block;
    padding: var(--space-sm) var(--space-lg);
    text-decoration: none;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    border-radius: var(--radius);
    transition: all var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, rgba(74, 144, 217, 0.9) 0%, rgba(74, 144, 217, 0.7) 100%);
    backdrop-filter: blur(10px);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: 0 4px 20px rgba(74, 144, 217, 0.35), 0 1px 0 rgba(255, 255, 255, 0.3) inset;
}

.btn-primary:hover {
    background: linear-gradient(135deg, rgba(74, 144, 217, 0.95) 0%, rgba(74, 144, 217, 0.85) 100%);
    box-shadow: 0 8px 30px rgba(74, 144, 217, 0.45), 0 1px 0 rgba(255, 255, 255, 0.4) inset;
    transform: translateY(-1px);
}

.hero-phone {
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: var(--color-text);
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

.hero-phone:hover {
    background: rgba(255, 255, 255, 0.7);
    color: var(--color-accent);
    border-color: var(--color-accent-soft);
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm);
}

/* === Sections === */
section {
    padding: 0;
}

.section-stripe {
    width: 100%;
    padding: var(--space-xl) var(--space-lg);
}

.section-stripe:nth-of-type(2) { background: #f5f8fc; }
.section-stripe:nth-of-type(3) { background: #eef2f7; }
.section-stripe:nth-of-type(4) { background: #f5f8fc; }
.section-stripe:nth-of-type(5) { background: #eef2f7; }
.section-stripe:nth-of-type(6) { background: #f5f8fc; }

.section-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    margin-bottom: var(--space-lg);
    position: relative;
}

.review-card img {
    vertical-align: middle;
    margin-left: 10px;
    border-radius: 50%;
}

.section-title::after {
    content: '';
    display: block;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--color-accent-soft), transparent);
    border-radius: 2px;
    margin: var(--space-md) auto 0;
}

/* === Services === */

.services-intro {
    text-align: center;
    max-width: 640px;
    margin: 0 auto var(--space-xl);
    color: var(--color-text-muted);
    line-height: 1.6;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-md);
}

.service-card {
    padding: var(--space-lg) 2rem;
    background: rgba(255, 255, 255, 0.45);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06), 0 1px 0 rgba(255, 255, 255, 0.8) inset;
    transition: all var(--transition);
}

.service-card:hover {
    background: rgba(255, 255, 255, 0.6);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08), 0 1px 0 rgba(255, 255, 255, 0.9) inset;
    transform: translateY(-2px);
}

.service-icon {
    width: 40px;
    height: 40px;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-card h3 {
    font-size: 1rem;
    margin-bottom: var(--space-xs);
    letter-spacing: 0.02em;
}

.service-card p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* === Works Slider === */
/* .works {
    padding-bottom: var(--space-xl);
} */

.slider {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.slider-track {
    flex: 1;
    overflow: hidden;
}

.slider-item {
    display: none;
}

.slider-item.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.work-card {
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06), 0 1px 0 rgba(255, 255, 255, 0.7) inset;
    overflow: hidden;
}

.work-image {
    aspect-ratio: 16 / 10;
    min-height: 200px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.work-info {
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(8px);
}

.work-type {
    display: inline-block;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: var(--space-xs);
}

.work-info p {
    font-size: 0.9375rem;
}

.slider-btn {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: var(--radius);
    color: var(--color-text);
    font-size: 1.5rem;
    cursor: pointer;
    transition: all var(--transition);
    flex-shrink: 0;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

.slider-btn:hover {
    background: rgba(74, 144, 217, 0.2);
    border-color: rgba(74, 144, 217, 0.4);
    color: var(--color-accent);
    box-shadow: 0 4px 20px rgba(74, 144, 217, 0.2);
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: var(--space-xs);
}

.slider-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.8);
    cursor: pointer;
    transition: all var(--transition);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.slider-dot:hover {
    background: rgba(255, 255, 255, 0.9);
}

.slider-dot.active {
    background: var(--color-accent);
    border-color: var(--color-accent-soft);
    box-shadow: 0 2px 8px rgba(74, 144, 217, 0.4);
}

/* === Gallery === */
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--space-sm);
    /* margin-top: var(--space-xl); */
}

.gallery-item {
    aspect-ratio: 1;
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.6);
}

.gallery-item:hover {
    opacity: 0.9;
}

.gallery-item img,
.gallery-item picture img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.gallery-more {
    display: block;
    margin: var(--space-lg) auto 0;
    padding: var(--space-sm) var(--space-lg);
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: var(--radius);
    color: var(--color-text);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition);
}

.gallery-more:hover {
    background: rgba(74, 144, 217, 0.15);
    border-color: rgba(74, 144, 217, 0.3);
}

/* === Advantages === */

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-md);
}

.advantage-card {
    padding: var(--space-lg) 2rem;
    background: rgba(255, 255, 255, 0.45);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06), 0 1px 0 rgba(255, 255, 255, 0.8) inset;
    transition: all var(--transition);
}

.advantage-card:hover {
    background: rgba(255, 255, 255, 0.6);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08), 0 1px 0 rgba(255, 255, 255, 0.9) inset;
}

.advantage-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(74, 144, 217, 0.15);
    color: var(--color-accent);
    font-size: 1.25rem;
    font-weight: 600;
    border-radius: var(--radius);
    margin-bottom: var(--space-sm);
}

.advantage-card h3 {
    font-size: 1rem;
    margin-bottom: var(--space-xs);
    letter-spacing: 0.02em;
}

.advantage-card p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* === FAQ Accordion === */
.faq-accordion {
    max-width: 720px;
    margin: 0 auto;
}

.faq-item {
    background: rgba(255, 255, 255, 0.45);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: var(--radius);
    margin-bottom: var(--space-sm);
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04), 0 1px 0 rgba(255, 255, 255, 0.7) inset;
}

.faq-item:last-child {
    margin-bottom: 0;
}

.faq-trigger {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: none;
    border: none;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text);
    text-align: left;
    cursor: pointer;
    transition: background var(--transition);
}

.faq-trigger:hover {
    background: rgba(255, 255, 255, 0.3);
}

.faq-trigger:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.faq-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--color-accent);
    transition: transform var(--transition);
}

.faq-item.is-open .faq-icon {
    transform: rotate(45deg);
}

.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition);
}

.faq-content p {
    padding: 0 var(--space-lg) var(--space-md);
    margin: 0;
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    border-top: 1px solid rgba(255, 255, 255, 0.5);
}

/* === Lightbox === */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    /* align-items: center; */
    justify-content: center;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.lightbox-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius);
    color: #fff;
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    transition: all var(--transition);
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius);
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all var(--transition);
}

.lightbox-prev {
    left: var(--space-md);
}

.lightbox-next {
    right: var(--space-md);
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(255, 255, 255, 0.2);
}

.lightbox-content {
    max-width: 90vw;
    max-height: 90vh;
    padding: var(--space-xl);
}

.lightbox-image {
    max-width: 100%;
    max-height: 85vh;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: var(--radius);
}

.lightbox-counter {
    position: absolute;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
}

/* === Reviews === */

.reviews-slider {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.reviews-track {
    flex: 1;
    overflow: hidden;
}

.review-item {
    display: none;
}

.review-item.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

.review-card {
    position: relative;
    padding: var(--space-lg);
    padding-top: var(--space-xl);
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-lg);
    font-style: normal;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06), 0 1px 0 rgba(255, 255, 255, 0.8) inset;
}

.review-quote {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    font-family: var(--font-display);
    font-size: 3rem;
    color: var(--color-accent-soft);
    line-height: 1;
}

.review-card p {
    font-size: 1rem;
    margin-bottom: var(--space-md);
    line-height: 1.7;
}

.review-card footer {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.reviews-dots {
    display: flex;
    justify-content: center;
    gap: var(--space-xs);
    margin-top: var(--space-md);
}

/* === Contact === */
.contact {
    text-align: center;
}

.contact-content {
    max-width: 400px;
    margin: 0 auto;
    padding: var(--space-lg);
    background: rgba(255, 255, 255, 0.45);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06), 0 1px 0 rgba(255, 255, 255, 0.7) inset;
}

.contact-text {
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
}

.contact-phone {
    display: block;
    font-size: 1.5rem;
    color: var(--color-text);
    text-decoration: none;
    margin-bottom: var(--space-md);
    transition: color var(--transition);
}

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

/* === Footer === */
.footer {
    padding: var(--space-lg);
    text-align: center;
    background: #eef2f7;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid rgba(255, 255, 255, 0.5);
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--color-accent);
    margin-bottom: var(--space-xs);
}

.footer p {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* === Fonts === */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,400&family=Instrument+Serif:ital@0;1&display=swap');

/* === Mobile === */
@media (max-width: 768px) {
    :root {
        --space-lg: 1.75rem;
        --space-xl: 2.5rem;
    }

    body {
        background: linear-gradient(180deg, #e8eef4 0%, #f5f8fc 100%);
    }

    .header {
        padding: var(--space-sm) var(--space-md);
    }

    .header-contacts {
        display: none;
    }

    .nav-toggle {
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: 5px;
        width: 44px;
        height: 44px;
        padding: 10px;
        background: none;
        border: none;
        cursor: pointer;
        z-index: 110;
    }

    .nav-toggle-line {
        display: block;
        width: 100%;
        height: 2px;
        background: var(--color-text);
        transition: var(--transition);
    }

    .nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

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

    .nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .nav {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        left: 0;
        z-index: 105;
        display: flex;
        justify-content: center;
        align-items: center;
        padding: var(--space-xl);
        backdrop-filter: blur(40px) saturate(180%);
        -webkit-backdrop-filter: blur(40px) saturate(180%);
        -webkit-overflow-scrolling: touch;
        opacity: 0;
        visibility: hidden;
    }

    .menu-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.3);
        backdrop-filter: blur(4px);
        -webkit-backdrop-filter: blur(4px);
        z-index: 99;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.35s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.35s;
    }
    
    .menu-overlay.active {
        opacity: 1;
        visibility: visible;
    }

    .nav.is-open {
        opacity: 1;
        visibility: visible;

        margin: 0;
        top: 280px;
    }

    .nav-inner {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: var(--space-sm);
        max-width: 280px;
    }

    .nav-link {
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.25rem;
        font-weight: 500;
        padding: 1rem 2rem;
        min-width: 200px;
        color: var(--color-text);
        background: rgba(255, 255, 255, 0.4);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border: 1px solid rgba(255, 255, 255, 0.6);
        border-radius: var(--radius);
        box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        transition: all 0.25s ease;
        transform: translateY(20px);
        opacity: 0;
    }

    .nav.is-open .nav-link {
        transform: translateY(0);
        opacity: 1;
    }

    .nav-link:active {
        background: rgba(74, 144, 217, 0.15);
        border-color: rgba(74, 144, 217, 0.3);
    }

    .nav-menu-label {
        display: block;
        font-size: 0.75rem;
        letter-spacing: 0.2em;
        text-transform: uppercase;
        color: var(--color-text-white);
        margin-bottom: var(--space-sm);
    }

    .nav.is-open .nav-inner .nav-link:nth-child(2) { transition-delay: 0.05s; }
    .nav.is-open .nav-inner .nav-link:nth-child(3) { transition-delay: 0.08s; }
    .nav.is-open .nav-inner .nav-link:nth-child(4) { transition-delay: 0.11s; }
    .nav.is-open .nav-inner .nav-link:nth-child(5) { transition-delay: 0.14s; }
    .nav.is-open .nav-inner .nav-link:nth-child(6) { transition-delay: 0.17s; }

    .hero {
        padding: var(--space-lg) var(--space-md);
        padding-top: 5rem;
        min-height: 100vh;
    }

    .hero-bg {
        background-position: unset;
    }

    .hero-bg::before {
        background: linear-gradient(180deg, rgba(232, 238, 244, 0.88) 0%, rgba(245, 248, 252, 0.94) 100%);
    }

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

    .hero-badge {
        font-size: 0.6875rem;
        letter-spacing: 0.12em;
        padding: 6px 12px;
    }

    .hero-title {
        font-size: clamp(1.75rem, 8vw, 2.25rem);
        line-height: 1.2;
        margin-bottom: var(--space-sm);
    }

    .hero-tagline {
        font-size: 1rem;
        margin-bottom: var(--space-sm);
    }

    .hero-subtitle {
        font-size: 0.8125rem;
        line-height: 1.5;
    }

    .btn {
        padding: 14px 24px;
        font-size: 0.9375rem;
        min-height: 48px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .section-stripe {
        padding: var(--space-xl) var(--space-md);
    }

    .section-title {
        font-size: 0.9375rem;
        margin-bottom: var(--space-lg);
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }

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

    .advantage-card {
        padding: var(--space-md);
    }

    .faq-trigger {
        padding: var(--space-sm) var(--space-md);
        font-size: 0.9375rem;
    }

    .faq-content p {
        padding: 0 var(--space-md) var(--space-sm);
        font-size: 0.875rem;
    }

    .service-card {
        padding: var(--space-md);
    }

    .service-card p {
        font-size: 0.8125rem;
    }

    .slider {
        position: relative;
        gap: 0;
        margin-bottom: var(--space-md);
    }

    .slider-track {
        width: 100%;
    }

    .slider-btn {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        width: 44px;
        height: 44px;
        font-size: 1.25rem;
        min-width: 44px;
        min-height: 44px;
        z-index: 2;
        opacity: 0.7;
    }

    .slider-btn-prev {
        left: 0;
    }

    .slider-btn-next {
        right: 0;
    }

    .work-image {
        min-height: 180px;
        aspect-ratio: 4 / 3;
    }

    .work-info {
        padding: var(--space-sm);
    }

    .work-info p {
        font-size: 0.875rem;
        line-height: 1.4;
    }

    .gallery {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-xs);
    }

    .lightbox {
        align-items: center;
    }

    .lightbox-prev,
    .lightbox-next {
        width: 44px;
        height: 44px;
        font-size: 1.25rem;
    }

    .lightbox-prev {
        left: var(--space-xs);
    }

    .lightbox-next {
        right: var(--space-xs);
    }

    .lightbox-content {
        padding: unset;
    }

    .reviews-slider {
        position: relative;
        gap: 0;
    }

    .reviews-track {
        width: 100%;
    }

    .review-card {
        padding: var(--space-md);
        padding-top: var(--space-xl);
    }

    .review-quote {
        font-size: 2.5rem;
        top: var(--space-sm);
        left: var(--space-sm);
        margin-bottom: 1rem;
    }

    .review-card p {
        font-size: 0.9375rem;
        margin-top: 2rem;
    }

    .contact-phone {
        font-size: 1.25rem;
        padding: var(--space-sm) 0;
    }

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

    .slider-dot,
    .reviews-dots .slider-dot {
        width: 12px;
        height: 12px;
    }

    @supports (padding-bottom: env(safe-area-inset-bottom)) {
        .footer {
            padding-bottom: calc(var(--space-md) + env(safe-area-inset-bottom));
        }
        .contact {
            padding-bottom: calc(var(--space-xl) + env(safe-area-inset-bottom));
        }
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.625rem;
    }

    .work-image {
        min-height: 160px;
    }
}