/* ============================================
   ТЕХНОЛОГИИ БУДУЩЕГО — Premium Landing Page
   Design System & Styles
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
    /* Colors - Refined Graphite & Warm Neutrals */
    --color-primary: #1a1a2e;
    --color-primary-light: #2d2d44;
    --color-primary-dark: #0f0f1a;
    --color-accent: #3d5a80;
    --color-accent-light: #5c7a99;

    --color-bg: #ffffff;
    --color-bg-warm: #faf9f7;
    --color-bg-cool: #f5f7fa;
    --color-bg-dark: #1a1a2e;

    --color-text: #1a1a2e;
    --color-text-secondary: #5a5a6e;
    --color-text-muted: #8a8a9a;
    --color-text-light: #ffffff;

    --color-border: #e8e8ec;
    --color-border-dark: #d0d0d8;

    /* Typography */
    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    --transition-smooth: 500ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(26, 26, 46, 0.04);
    --shadow-md: 0 4px 12px rgba(26, 26, 46, 0.08);
    --shadow-lg: 0 8px 24px rgba(26, 26, 46, 0.12);
    --shadow-xl: 0 16px 48px rgba(26, 26, 46, 0.16);

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 500;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

/* ---------- Container ---------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.875rem 1.5rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    line-height: 1;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn--primary {
    background: var(--color-primary);
    color: var(--color-text-light);
}

.btn--primary:hover {
    background: var(--color-primary-light);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn--outline {
    background: transparent;
    color: var(--color-primary);
    border: 1.5px solid var(--color-primary);
}

.btn--outline:hover {
    background: var(--color-primary);
    color: var(--color-text-light);
}

.btn--outline-dark {
    background: transparent;
    color: var(--color-primary);
    border: 1.5px solid var(--color-border-dark);
}

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

.btn--outline-light {
    background: transparent;
    color: var(--color-text-light);
    border: 1.5px solid rgba(255, 255, 255, 0.3);
}

.btn--outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn--dark {
    background: var(--color-primary);
    color: var(--color-text-light);
}

.btn--dark:hover {
    background: var(--color-primary-dark);
}

.btn--light {
    background: var(--color-text-light);
    color: var(--color-primary);
}

.btn--light:hover {
    background: var(--color-bg-warm);
}

.btn--large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

/* ---------- Header ---------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition-base);
}

.header.scrolled {
    border-bottom-color: var(--color-border);
    box-shadow: var(--shadow-sm);
}

.header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-xl);
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--space-md) var(--container-padding);
}

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

.logo__icon {
    color: var(--color-primary);
}

.logo__text {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-primary);
}

.header__nav {
    display: none;
    align-items: center;
    gap: var(--space-lg);
}

@media (min-width: 1024px) {
    .header__nav {
        display: flex;
    }
}

.nav__link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

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

.header__phone {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    color: var(--color-primary);
    background: var(--color-bg-cool);
    transition: all var(--transition-fast);
}

.header__phone:hover {
    background: var(--color-primary);
    color: var(--color-text-light);
}

.header__cta {
    display: none;
}

@media (min-width: 768px) {
    .header__cta {
        display: inline-flex;
    }
}

.header__burger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 10px;
}

.header__burger span {
    display: block;
    width: 20px;
    height: 1.5px;
    background: var(--color-primary);
    transition: all var(--transition-base);
}

.header__burger.active span:first-child {
    transform: rotate(45deg) translate(4px, 4px);
}

.header__burger.active span:last-child {
    transform: rotate(-45deg) translate(4px, -4px);
}

@media (min-width: 1024px) {
    .header__burger {
        display: none;
    }
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 999;
    background: var(--color-bg);
    padding: var(--space-xl) var(--container-padding);
    transform: translateX(100%);
    transition: transform var(--transition-smooth);
    overflow-y: auto;
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-menu__nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.mobile-menu__link {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-primary);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--color-border);
}

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

.mobile-menu__phone {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
}

.mobile-menu__hours {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

@media (min-width: 1024px) {
    .mobile-menu {
        display: none;
    }
}

/* ---------- Hero Section ---------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 var(--space-4xl);
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero__grid-pattern {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, var(--color-border) 1px, transparent 1px),
        linear-gradient(to bottom, var(--color-border) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.4;
    mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, black 40%, transparent 100%);
}

.hero__container {
    display: grid;
    gap: var(--space-3xl);
    align-items: center;
}

@media (min-width: 1024px) {
    .hero__container {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-4xl);
    }
}

.hero__content {
    animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero__badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    background: var(--color-bg-cool);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-lg);
}

.hero__title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 500;
    line-height: 1.1;
    color: var(--color-primary);
    margin-bottom: var(--space-lg);
}

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

.hero__subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
    max-width: 480px;
}

.hero__trust {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

.trust-item__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-bg-cool);
    color: var(--color-accent);
    flex-shrink: 0;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.hero__price {
    display: inline-flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--color-bg-warm);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.hero__price-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.hero__price-value {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
}

/* Hero Visual */
.hero__visual {
    position: relative;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero__image-frame {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.hero__image {
    aspect-ratio: 6/7;
    background-size: cover;
    background-position: center;
    background-color: var(--color-bg-cool);
}

.hero__image-overlay {
    position: absolute;
    bottom: var(--space-lg);
    left: var(--space-lg);
    right: var(--space-lg);
}

.overlay-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    padding: var(--space-md) var(--space-lg);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.overlay-card__label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
}

.overlay-card__value {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
}

.overlay-card__meta {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.hero__decorations {
    position: absolute;
    inset: -20px;
    pointer-events: none;
    z-index: -1;
}

.decoration {
    position: absolute;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.decoration--1 {
    top: 20px;
    right: -20px;
    width: 60%;
    height: 40%;
    transform: rotate(3deg);
}

.decoration--2 {
    bottom: -10px;
    left: -30px;
    width: 50%;
    height: 30%;
    transform: rotate(-2deg);
}

.hero__scroll-indicator {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

@media (max-width: 1023px) {
    .hero__scroll-indicator {
        display: none;
    }
}

/* ---------- Section Header ---------- */
.section-header {
    margin-bottom: var(--space-3xl);
    text-align: center;
}

.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.section-desc {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 500px;
    margin: 0 auto;
}

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

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

/* ---------- Services Section ---------- */
.services {
    padding: var(--space-5xl) 0;
    background: var(--color-bg-warm);
}

.services__grid {
    display: grid;
    gap: var(--space-lg);
}

@media (min-width: 768px) {
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .services__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.service-card {
    display: flex;
    flex-direction: column;
    padding: var(--space-2xl);
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.service-card:hover {
    border-color: var(--color-border-dark);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.service-card--featured {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-text-light);
}

.service-card--featured:hover {
    border-color: var(--color-primary);
}

@media (min-width: 768px) {
    .service-card--featured {
        grid-column: span 2;
    }
}

@media (min-width: 1024px) {
    .service-card--featured {
        grid-column: span 1;
    }
}

.service-card__image {
    width: 100%;
    aspect-ratio: 16/9;
    background-size: cover;
    background-position: center;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    background-color: var(--color-bg-cool);
}

.service-card__icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: var(--color-bg-cool);
    color: var(--color-primary);
    margin-bottom: var(--space-lg);
}

.service-card--featured .service-card__icon {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text-light);
}

.service-card__content {
    flex: 1;
    margin-bottom: var(--space-lg);
}

.service-card__title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.service-card__desc {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.service-card--featured .service-card__desc {
    color: rgba(255, 255, 255, 0.8);
}

.service-card__types {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.type-badge {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    background: var(--color-bg-cool);
    color: var(--color-text-secondary);
}

.service-card--featured .type-badge {
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-text-light);
}

.service-card__btn {
    width: 100%;
}

/* ---------- Prices Section ---------- */
.prices {
    padding: var(--space-5xl) 0;
    background: var(--color-primary);
}

.prices__grid {
    display: grid;
    gap: var(--space-lg);
}

@media (min-width: 768px) {
    .prices__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.price-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-2xl);
    background: var(--color-primary-light);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-text-light);
    transition: all var(--transition-base);
}

.price-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.2);
}

.price-card--featured {
    background: var(--color-bg);
    color: var(--color-text);
    border-color: var(--color-border);
}

.price-card--featured:hover {
    border-color: var(--color-border-dark);
}

.price-card__badge {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--color-accent);
    color: var(--color-text-light);
    border-radius: var(--radius-sm);
}

.price-card__header {
    margin-bottom: var(--space-lg);
}

.price-card__type {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.7;
}

.price-card__title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 600;
    margin: var(--space-xs) 0;
}

.price-card__size {
    font-size: 0.875rem;
    opacity: 0.7;
}

.price-card__visual {
    width: 100%;
    max-width: 160px;
    margin-bottom: var(--space-lg);
    opacity: 0.5;
}

.price-card--featured .price-card__visual {
    opacity: 0.3;
}

.price-card__price {
    display: flex;
    align-items: baseline;
    gap: var(--space-xs);
    margin-bottom: var(--space-lg);
}

.price-card__from {
    font-size: 0.875rem;
    opacity: 0.7;
}

.price-card__value {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.price-card__currency {
    font-size: 1.25rem;
    opacity: 0.7;
}

.price-card__btn {
    width: 100%;
}

.prices__note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-2xl);
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
}

/* ---------- Gallery Section ---------- */
.gallery {
    padding: var(--space-5xl) 0;
    background: var(--color-bg);
}

.gallery__grid {
    display: grid;
    gap: var(--space-lg);
}

@media (min-width: 640px) {
    .gallery__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .gallery__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.gallery-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-base);
}

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

.gallery-card__image {
    aspect-ratio: 4/3;
    background-size: cover;
    background-position: center;
    background-color: var(--color-bg-cool);
    transition: transform var(--transition-slow);
}

.gallery-card:hover .gallery-card__image {
    transform: scale(1.05);
}

.gallery-card__overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(26, 26, 46, 0.4);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.gallery-card:hover .gallery-card__overlay {
    opacity: 1;
}

.gallery-card__zoom {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-bg);
    color: var(--color-primary);
    transform: scale(0.8);
    transition: transform var(--transition-base);
}

.gallery-card:hover .gallery-card__zoom {
    transform: scale(1);
}

.gallery-card__info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-lg);
    background: linear-gradient(to top, rgba(26, 26, 46, 0.9), transparent);
    color: var(--color-text-light);
}

.gallery-card__tags {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.tag {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
}

.tag--location {
    background: var(--color-accent);
}

.gallery-card__title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.gallery-card__meta {
    font-size: 0.8125rem;
    opacity: 0.8;
}

/* ---------- Process Section ---------- */
.process {
    padding: var(--space-5xl) 0;
    background: var(--color-primary);
}

.process__timeline {
    display: grid;
    gap: var(--space-xl);
    max-width: 800px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .process__timeline {
        gap: 0;
    }
}

.process-step {
    position: relative;
    display: flex;
    gap: var(--space-xl);
    padding-bottom: var(--space-xl);
}

@media (min-width: 768px) {
    .process-step {
        padding-bottom: var(--space-2xl);
    }

    .process-step:not(:last-child)::before {
        content: '';
        position: absolute;
        left: 28px;
        top: 60px;
        bottom: 0;
        width: 1px;
        background: rgba(255, 255, 255, 0.2);
    }
}

.process-step__number {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    background: var(--color-bg);
    border-radius: 50%;
}

.process-step__content {
    flex: 1;
    color: var(--color-text-light);
}

.process-step__title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.process-step__desc {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-md);
    max-width: 480px;
}

.process-step__time {
    display: inline-flex;
    align-items: center;
    padding: var(--space-xs) var(--space-md);
    font-size: 0.8125rem;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
}

/* ---------- Guarantees Section ---------- */
.guarantees {
    padding: var(--space-5xl) 0;
    background: var(--color-bg-warm);
}

.guarantees__grid {
    display: grid;
    gap: var(--space-lg);
}

@media (min-width: 640px) {
    .guarantees__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .guarantees__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.guarantee-card {
    padding: var(--space-xl);
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.guarantee-card:hover {
    border-color: var(--color-border-dark);
    box-shadow: var(--shadow-sm);
}

.guarantee-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--color-bg-cool);
    color: var(--color-accent);
    margin-bottom: var(--space-lg);
}

.guarantee-card__title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.guarantee-card__desc {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

/* ---------- Reviews Section ---------- */
.reviews {
    padding: var(--space-5xl) 0;
    background: var(--color-primary);
}

.reviews__grid {
    display: grid;
    gap: var(--space-lg);
}

@media (min-width: 640px) {
    .reviews__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .reviews__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.review-card {
    display: flex;
    flex-direction: column;
    padding: var(--space-xl);
    background: var(--color-primary-light);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-text-light);
}

.review-card__header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.review-card__avatar {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.review-card__author {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.review-card__name {
    font-weight: 600;
}

.review-card__location {
    font-size: 0.8125rem;
    opacity: 0.7;
}

.review-card__source {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
}

.review-card__text {
    flex: 1;
    font-size: 0.9375rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-lg);
}

.review-card__rating {
    color: #ffc107;
    font-size: 0.875rem;
    letter-spacing: 2px;
}

.reviews__cta {
    display: flex;
    justify-content: center;
    margin-top: var(--space-2xl);
}

/* ---------- FAQ Section ---------- */
.faq {
    padding: var(--space-5xl) 0;
    background: var(--color-bg);
}

.faq__list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
}

.faq-item__question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
    width: 100%;
    padding: var(--space-lg) 0;
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-primary);
    text-align: left;
    cursor: pointer;
    list-style: none;
}

.faq-item__question::-webkit-details-marker {
    display: none;
}

.faq-item__question svg {
    flex-shrink: 0;
    color: var(--color-text-muted);
    transition: transform var(--transition-base);
}

.faq-item[open] .faq-item__question svg {
    transform: rotate(45deg);
}

.faq-item__answer {
    padding-bottom: var(--space-lg);
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.faq-item__answer p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.faq-item__answer p + p {
    margin-top: var(--space-md);
}

.faq-item__answer strong {
    color: var(--color-primary);
}

/* ---------- CTA Form Section ---------- */
.cta-form {
    padding: var(--space-5xl) 0;
    background: var(--color-bg-warm);
}

.cta-form__wrapper {
    display: grid;
    gap: var(--space-3xl);
    align-items: start;
}

@media (min-width: 1024px) {
    .cta-form__wrapper {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-4xl);
    }
}

.cta-form__content {
    position: sticky;
    top: 120px;
}

.cta-form__title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.cta-form__desc {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2xl);
}

.cta-form__benefits {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

.benefit-item svg {
    flex-shrink: 0;
    color: var(--color-accent);
}

/* Lead Form */
.lead-form {
    padding: var(--space-2xl);
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.form-label .optional {
    font-weight: 400;
    color: var(--color-text-muted);
}

.form-input {
    width: 100%;
    padding: var(--space-md);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text);
    background: var(--color-bg-cool);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(61, 90, 128, 0.1);
}

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

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

.form-hint {
    display: block;
    margin-top: var(--space-xs);
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.form-radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.form-radio {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
}

.form-radio input {
    display: none;
}

.radio-custom {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border-dark);
    border-radius: 50%;
    position: relative;
    transition: all var(--transition-fast);
}

.form-radio input:checked + .radio-custom {
    border-color: var(--color-accent);
}

.form-radio input:checked + .radio-custom::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 10px;
    height: 10px;
    background: var(--color-accent);
    border-radius: 50%;
}

.form-submit {
    width: 100%;
    margin-top: var(--space-md);
}

.form-privacy {
    margin-top: var(--space-md);
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    text-align: center;
}

.form-privacy a {
    color: var(--color-accent);
    text-decoration: underline;
}

/* Form Success State */
.form-success {
    display: none;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-3xl) var(--space-xl);
}

.form-success.active {
    display: flex;
}

.lead-form.hidden {
    display: none;
}

.form-success__icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-cool);
    border-radius: 50%;
    color: var(--color-accent);
    margin-bottom: var(--space-lg);
}

.form-success__title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.form-success__text {
    color: var(--color-text-secondary);
}

/* ---------- Contacts Section ---------- */
.contacts {
    padding: var(--space-5xl) 0;
    background: var(--color-bg);
}

.contacts__wrapper {
    display: grid;
    gap: var(--space-3xl);
}

@media (min-width: 1024px) {
    .contacts__wrapper {
        grid-template-columns: 1fr 1.5fr;
        gap: var(--space-4xl);
    }
}

.contacts__info {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
}

.contact-block__title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

.contact-block__phone {
    display: block;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
    transition: color var(--transition-fast);
}

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

.contact-block__ext {
    display: block;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

.contact-block__text {
    font-size: 1rem;
    color: var(--color-text);
    line-height: 1.6;
}

.contact-block__metro {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    margin-top: var(--space-md);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.contact-block__metro svg {
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--color-accent);
}

.contact-block__social {
    display: inline-flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--color-bg-cool);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    transition: all var(--transition-fast);
}

.contact-block__social:hover {
    background: var(--color-primary);
    color: var(--color-text-light);
}

.contact-block__social svg {
    flex-shrink: 0;
}

.contacts__map {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-bg-cool);
}

.map-placeholder {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 400px;
}

.map-placeholder iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.map-fallback {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    min-height: 400px;
    padding: var(--space-xl);
    text-align: center;
}

.map-fallback p {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.map-fallback a {
    color: var(--color-accent);
    text-decoration: underline;
}

/* ---------- Footer ---------- */
.footer {
    padding: var(--space-2xl) 0;
    background: var(--color-bg-warm);
    border-top: 1px solid var(--color-border);
}

.footer__wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    text-align: center;
}

@media (min-width: 768px) {
    .footer__wrapper {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        text-align: left;
    }
}

.footer__logo {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
}

.footer__tagline {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.footer__links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
}

.footer__link {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

.footer__divider {
    color: var(--color-text-muted);
}

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

.footer__copyright {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

/* ---------- Modals ---------- */
.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

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

.modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(26, 26, 46, 0.8);
    backdrop-filter: blur(4px);
}

.modal__content {
    position: relative;
    width: 100%;
    max-width: 400px;
    padding: var(--space-2xl);
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    transform: translateY(20px);
    transition: transform var(--transition-smooth);
}

.modal.active .modal__content {
    transform: translateY(0);
}

.modal__close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.modal__close:hover {
    background: var(--color-bg-cool);
    color: var(--color-primary);
}

.modal__title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.modal__desc {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
}

.modal-form .form-group {
    margin-bottom: var(--space-md);
}

.modal-form .btn {
    width: 100%;
    margin-top: var(--space-sm);
}

.modal__privacy {
    margin-top: var(--space-md);
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    text-align: center;
}

/* Gallery Modal */
.gallery-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

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

.gallery-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(26, 26, 46, 0.95);
}

.gallery-modal__content {
    position: relative;
    width: 100%;
    max-width: 900px;
    max-height: 90vh;
    overflow: hidden;
    border-radius: var(--radius-lg);
    background: var(--color-bg);
}

.gallery-modal__close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(26, 26, 46, 0.8);
    color: var(--color-text-light);
    transition: all var(--transition-fast);
}

.gallery-modal__close:hover {
    background: var(--color-primary);
}

.gallery-modal__image {
    width: 100%;
    aspect-ratio: 16/10;
    background-size: cover;
    background-position: center;
    background-color: var(--color-bg-cool);
}

.gallery-modal__info {
    padding: var(--space-xl);
}

.gallery-modal__title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.gallery-modal__desc {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

/* ---------- Animations ---------- */
.fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

.slide-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

/* Staggered animations for grid items */
.services__grid .service-card,
.prices__grid .price-card,
.gallery__grid .gallery-card,
.guarantees__grid .guarantee-card,
.reviews__grid .review-card {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.services__grid .service-card.visible,
.prices__grid .price-card.visible,
.gallery__grid .gallery-card.visible,
.guarantees__grid .guarantee-card.visible,
.reviews__grid .review-card.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- Utility Classes ---------- */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Body scroll lock */
body.no-scroll {
    overflow: hidden;
}

/* ---------- Additional Responsive Adjustments ---------- */
@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
    }

    .hero__title {
        font-size: 2rem;
    }

    .hero__actions {
        flex-direction: column;
    }

    .hero__actions .btn {
        width: 100%;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .service-card,
    .price-card,
    .guarantee-card,
    .review-card {
        padding: var(--space-lg);
    }

    .process-step {
        gap: var(--space-md);
    }

    .process-step__number {
        width: 44px;
        height: 44px;
        font-size: 1rem;
    }

    .process-step__title {
        font-size: 1.25rem;
    }

    .cta-form__title {
        font-size: 1.75rem;
    }

    .lead-form {
        padding: var(--space-lg);
    }

    .contact-block__phone {
        font-size: 1.25rem;
    }
}

@media (max-width: 640px) {
    .hero {
        min-height: auto;
        padding: 100px 0 var(--space-3xl);
    }

    .hero__visual {
        order: -1;
    }

    .hero__image {
        aspect-ratio: 4/3;
    }

    .prices__grid,
    .reviews__grid,
    .guarantees__grid {
        grid-template-columns: 1fr;
    }

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

    .service-card--featured {
        grid-column: span 1;
    }

    .contacts__map {
        order: -1;
    }
}

/* ---------- Print Styles ---------- */
@media print {
    .header,
    .hero__scroll-indicator,
    .btn,
    .modal,
    .gallery-modal,
    .mobile-menu {
        display: none !important;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
    }

    section {
        page-break-inside: avoid;
    }

    .hero {
        min-height: auto;
        padding: 2rem 0;
    }

    .services,
    .prices,
    .process,
    .guarantees,
    .reviews,
    .gallery,
    .faq,
    .cta-form,
    .contacts {
        padding: 2rem 0;
    }

    a[href]:after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
        color: #666;
    }
}

/* ---------- Focus Visible Styles ---------- */
:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* ---------- Selection Styles ---------- */
::selection {
    background: var(--color-accent);
    color: var(--color-text-light);
}

/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .hero__scroll-indicator {
        animation: none;
    }
}

/* ---------- High Contrast Mode ---------- */
@media (prefers-contrast: high) {
    :root {
        --color-primary: #000000;
        --color-text-secondary: #333333;
        --color-text-muted: #555555;
        --color-border: #666666;
    }

    .btn--primary {
        border: 2px solid var(--color-text-light);
    }

    .btn--outline {
        border-width: 2px;
    }
}

/* ---------- Hover Card Effects ---------- */
@media (hover: hover) {
    .service-card:hover .service-card__icon {
        transform: scale(1.1);
        transition: transform var(--transition-base);
    }

    .guarantee-card:hover .guarantee-card__icon {
        transform: scale(1.1);
        transition: transform var(--transition-base);
    }

    .price-card:hover .price-card__visual {
        opacity: 0.7;
        transition: opacity var(--transition-base);
    }

    .review-card:hover {
        border-color: rgba(255, 255, 255, 0.2);
        transform: translateY(-4px);
        transition: all var(--transition-base);
    }

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

    .contact-block__social:hover svg {
        transform: scale(1.1);
        transition: transform var(--transition-base);
    }
}

/* ---------- Loading States ---------- */
.btn.loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin: -10px 0 0 -10px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ---------- Subtle Background Texture ---------- */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: 0.015;
    pointer-events: none;
    z-index: -1;
}

/* ---------- Floating CTA (Mobile) ---------- */
@media (max-width: 767px) {
    .floating-cta {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 900;
        padding: var(--space-md);
        background: var(--color-bg);
        border-top: 1px solid var(--color-border);
        box-shadow: 0 -4px 20px rgba(26, 26, 46, 0.1);
        display: flex;
        gap: var(--space-sm);
    }

    .floating-cta .btn {
        flex: 1;
    }

    .footer {
        padding-bottom: 80px;
    }
}

/* ---------- Smooth Image Load ---------- */
.gallery-card__image,
.hero__image {
    transition: opacity var(--transition-slow);
}

.gallery-card__image.loaded,
.hero__image.loaded {
    opacity: 1;
}

/* ---------- Custom Scrollbar ---------- */
@media (min-width: 1024px) {
    ::-webkit-scrollbar {
        width: 8px;
    }

    ::-webkit-scrollbar-track {
        background: var(--color-bg-cool);
    }

    ::-webkit-scrollbar-thumb {
        background: var(--color-border-dark);
        border-radius: 4px;
    }

    ::-webkit-scrollbar-thumb:hover {
        background: var(--color-text-muted);
    }
}