/* ============================================================
   SBV STROY — Main Stylesheet
   Colors: Burgundy #7B1C2D, Black #0A0A0A, White #FFFFFF
   Fonts: Unbounded (headings), Manrope (body)
   ============================================================ */

:root {
    --color-burgundy: #7B1C2D;
    --color-burgundy-dark: #5C1520;
    --color-burgundy-light: #9E2438;
    --color-black: #0A0A0A;
    --color-dark: #111111;
    --color-dark-2: #1A1A1A;
    --color-dark-3: #222222;
    --color-gray: #888888;
    --color-gray-light: #BBBBBB;
    --color-border: rgba(255,255,255,0.08);
    --color-white: #FFFFFF;
    --color-off-white: #F5F5F5;
    --color-bg: #0C0C0C;

    --font-heading: 'Unbounded', sans-serif;
    --font-body: 'Manrope', sans-serif;

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;

    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

    --header-h: 90px;
    --container: 1320px;
    --gap: 30px;
}

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

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

body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: var(--font-body); }
address { font-style: normal; }

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 40px;
}

.section-pad { padding: 100px 0; }
.section-pad-sm { padding: 60px 0 40px; }

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
.section-label {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-burgundy-light);
    padding: 6px 14px;
    border: 1px solid rgba(158, 36, 56, 0.4);
    border-radius: 100px;
    margin-bottom: 24px;
}

.section-header {
    max-width: 720px;
    margin-bottom: 64px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(28px, 3.5vw, 52px);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--color-white);
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 17px;
    color: var(--color-gray-light);
    line-height: 1.7;
    max-width: 640px;
}

.page-title {
    font-family: var(--font-heading);
    font-size: clamp(32px, 4vw, 64px);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
}

.page-subtitle {
    font-size: 18px;
    color: var(--color-gray-light);
    max-width: 700px;
    line-height: 1.7;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 36px;
    background: var(--color-burgundy);
    color: var(--color-white);
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--color-burgundy-dark);
    transform: translateX(-100%);
    transition: var(--transition);
}

.btn-primary:hover::before { transform: translateX(0); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(123, 28, 45, 0.5); }
.btn-primary span, .btn-primary svg { position: relative; z-index: 1; }
.btn-primary svg { width: 18px; height: 18px; flex-shrink: 0; }

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 15px 35px;
    background: transparent;
    color: var(--color-white);
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255,255,255,0.25);
    transition: var(--transition);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.05);
    border-color: rgba(255,255,255,0.5);
    transform: translateY(-2px);
}

.btn-header {
    display: inline-flex;
    align-items: center;
    padding: 11px 24px;
    background: var(--color-burgundy);
    color: var(--color-white);
    font-family: var(--font-heading);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

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

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-h);
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition);
}

.site-header.scrolled {
    background: rgba(10, 10, 10, 0.97);
    height: 70px;
    box-shadow: 0 4px 30px rgba(0,0,0,0.5);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: 16px;
}

.header-logo { flex-shrink: 0; }

.header-logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.header-logo-text {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 900;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 4px;
}

.logo-sbv { color: var(--color-white); }
.logo-stroy { color: var(--color-burgundy-light); }

.header-nav { flex: 1; display: flex; justify-content: center; }

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

.nav-link {
    font-family: var(--font-heading);
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.75);
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    position: relative;
    white-space: nowrap;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 10px;
    right: 10px;
    height: 2px;
    background: var(--color-burgundy-light);
    transform: scaleX(0);
    transition: var(--transition);
}

.nav-link:hover { color: var(--color-white); }
.nav-link:hover::after { transform: scaleX(1); }

.header-contacts {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
}

.header-contact-group {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 12px;
}

.header-phone {
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 700;
    color: var(--color-white);
    transition: var(--transition);
}

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

.header-telegram {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: rgba(255,255,255,0.6);
    transition: var(--transition);
}

.header-telegram:hover { color: var(--color-white); }

.tg-icon { width: 20px; height: 20px; }


.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    border-radius: 2px;
    transition: var(--transition);
}

/* ============================================================
   MOBILE MENU  — fullscreen overlay
   ============================================================ */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    min-height: 100vh;
    background: var(--color-dark);
    z-index: 999;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding: calc(var(--header-h) + 48px) 40px 48px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    box-sizing: border-box;
}

.mobile-menu.open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
}

/* Close button inside fullscreen menu */
.mobile-menu-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 50%;
    cursor: pointer;
    flex-shrink: 0;
    transition: background 0.2s;
}

.mobile-menu-close:hover { background: rgba(255,255,255,0.14); }

.mobile-menu-close span {
    position: absolute;
    width: 18px;
    height: 2px;
    background: var(--color-white);
    border-radius: 2px;
}

.mobile-menu-close span:first-child { transform: rotate(45deg); }
.mobile-menu-close span:last-child  { transform: rotate(-45deg); }

/* big nav links */
.mobile-nav-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-bottom: 40px;
}

.mobile-nav-list li { overflow: hidden; }

.mobile-nav-list a {
    display: block;
    font-family: var(--font-heading);
    font-size: clamp(22px, 6vw, 34px);
    font-weight: 700;
    letter-spacing: -0.01em;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255,255,255,0.07);
    color: rgba(255,255,255,0.9);
    transition: color 0.2s, padding-left 0.2s;
}

.mobile-nav-list a:hover,
.mobile-nav-list a:active { color: var(--color-burgundy-light); padding-left: 10px; }

/* contacts row */
.mobile-contacts {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 32px;
}

.mobile-phone, .mobile-telegram, .mobile-email {
    font-family: var(--font-body);
    font-size: 15px;
    color: rgba(255,255,255,0.55);
    transition: color 0.2s;
}

.mobile-phone:hover, .mobile-telegram:hover, .mobile-email:hover {
    color: var(--color-white);
}

/* CTA inside menu */
.mobile-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--color-burgundy);
    color: var(--color-white);
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 16px 32px;
    border-radius: var(--radius-sm);
    transition: background 0.2s;
    width: 100%;
}

.mobile-cta:hover { background: var(--color-burgundy-light); color: var(--color-white); }

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

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

.hero-bg-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 1.5s ease;
    z-index: 0;
}

.hero-bg-slide.active {
    opacity: 1;
    z-index: 1;
}

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

.hero-overlay {
    position: absolute;
    inset: 0;
    z-index: 3;
    background: linear-gradient(
        135deg,
        rgba(10, 10, 10, 0.92) 0%,
        rgba(10, 10, 10, 0.75) 50%,
        rgba(10, 10, 10, 0.6) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    padding-top: calc(var(--header-h) + 60px);
    padding-bottom: 80px;
    width: 100%;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(32px, 4.5vw, 68px);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 28px;
    color: var(--color-white);
}

.hero-title-accent {
    color: var(--color-burgundy-light);
}

.hero-subtitle {
    font-size: clamp(16px, 1.5vw, 20px);
    color: rgba(255,255,255,0.7);
    max-width: 640px;
    line-height: 1.7;
    margin-bottom: 48px;
}

.hero-advantages {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 52px;
    max-width: 680px;
}

.hero-adv-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: rgba(255,255,255,0.75);
}

.hero-adv-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--color-burgundy-light);
}

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

.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: rgba(255,255,255,0.4);
    font-size: 11px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent);
    animation: scrollLine 2s ease infinite;
}

@keyframes scrollLine {
    0%, 100% { opacity: 0.4; transform: scaleY(1); }
    50% { opacity: 1; transform: scaleY(0.7); }
}

/* ============================================================
   ADVANTAGES SECTION
   ============================================================ */
.advantages-section { background: var(--color-dark); }

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
}

.advantage-card {
    background: var(--color-dark-2);
    padding: 48px 40px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.advantage-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(123, 28, 45, 0.05) 0%, transparent 60%);
    opacity: 0;
    transition: var(--transition);
}

.advantage-card:hover::before { opacity: 1; }
.advantage-card:hover { background: var(--color-dark-3); }

.advantage-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-burgundy);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.advantage-card:hover::after { transform: scaleX(1); }

.advantage-number {
    font-family: var(--font-heading);
    font-size: 64px;
    font-weight: 900;
    color: rgba(123, 28, 45, 0.15);
    line-height: 1;
    margin-bottom: 24px;
    letter-spacing: -0.05em;
}

.advantage-title {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.advantage-text {
    font-size: 14px;
    color: var(--color-gray);
    line-height: 1.7;
}

/* ============================================================
   SERVICES SECTION
   ============================================================ */
.services-section { background: var(--color-bg); }

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

.service-card {
    background: var(--color-dark);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    border: 1px solid var(--color-border);
    cursor: pointer;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(123, 28, 45, 0.4);
    box-shadow: 0 24px 60px rgba(0,0,0,0.5), 0 0 0 1px rgba(123, 28, 45, 0.2);
}

.service-card-img {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
    background: var(--color-dark-2);
}

.service-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

.service-card:hover .service-card-img img { transform: scale(1.08); }

.service-card-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-dark-2), var(--color-dark-3));
    color: rgba(123, 28, 45, 0.6);
}

.service-card-placeholder svg { width: 80px; height: 80px; }

.service-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.5) 0%, transparent 60%);
    transition: var(--transition);
}

.service-card:hover .service-card-overlay { background: linear-gradient(to top, rgba(123, 28, 45, 0.4) 0%, transparent 60%); }

.service-card-content {
    padding: 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.service-card-title {
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.service-card-desc {
    font-size: 13px;
    color: var(--color-gray);
    line-height: 1.7;
    flex: 1;
    margin-bottom: 20px;
}

.service-card-link {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-burgundy-light);
    transition: var(--transition);
}

.service-card-link svg { width: 16px; height: 16px; transition: var(--transition); }
.service-card:hover .service-card-link svg { transform: translateX(4px); }

/* ============================================================
   PROJECTS SECTION
   ============================================================ */
.projects-section { background: var(--color-dark); }

.projects-slider {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.project-card {
    background: var(--color-dark-2);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.4);
    border-color: rgba(123, 28, 45, 0.3);
}

.project-card-img {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
}

.project-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

.project-card:hover .project-card-img img { transform: scale(1.06); }

.project-card-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

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

.project-card-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--color-burgundy);
    color: var(--color-white);
    font-family: var(--font-heading);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    transform: translateY(10px);
}

.project-card:hover .project-card-btn { transform: translateY(0); }
.project-card-btn:hover { background: var(--color-burgundy-dark); }
.project-card-btn svg { width: 16px; height: 16px; }

.project-card-info { padding: 24px; }

.project-card-title {
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.project-location {
    display: block;
    font-size: 13px;
    color: var(--color-gray);
    margin-top: 6px;
}

.projects-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.slider-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    background: var(--color-dark-2);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.slider-btn:hover {
    background: var(--color-burgundy);
    border-color: var(--color-burgundy);
}

.slider-btn svg { width: 20px; height: 20px; }

.slider-dots { display: flex; gap: 8px; }

.slider-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    transition: var(--transition);
    cursor: pointer;
}

.slider-dot.active {
    background: var(--color-burgundy-light);
    width: 24px;
    border-radius: 4px;
}

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

/* ============================================================
   ABOUT SECTION
   ============================================================ */
.about-section { background: var(--color-bg); }

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-img-col {
    position: relative;
}

.about-img {
    width: 100%;
    aspect-ratio: 4/5;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

.about-img-badge {
    position: absolute;
    bottom: -24px;
    right: -24px;
    background: var(--color-burgundy);
    border-radius: var(--radius-md);
    padding: 24px 32px;
    text-align: center;
    box-shadow: 0 20px 50px rgba(123, 28, 45, 0.5);
}

.badge-years {
    display: block;
    font-family: var(--font-heading);
    font-size: 52px;
    font-weight: 900;
    line-height: 1;
    color: var(--color-white);
    letter-spacing: -0.03em;
}

.badge-text {
    font-size: 13px;
    color: rgba(255,255,255,0.75);
    font-weight: 500;
}

.about-subtitle {
    font-size: 18px;
    color: var(--color-burgundy-light);
    font-weight: 500;
    margin-bottom: 28px;
    line-height: 1.5;
}

.about-text {
    margin-bottom: 48px;
}

.about-text p {
    font-size: 16px;
    color: var(--color-gray-light);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.stat-item {
    padding: 24px;
    background: var(--color-dark);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-burgundy);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 36px;
    font-weight: 900;
    color: var(--color-white);
    letter-spacing: -0.03em;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 13px;
    color: var(--color-gray);
    line-height: 1.5;
}

/* ============================================================
   REVIEWS SECTION
   ============================================================ */
.reviews-section { background: var(--color-dark); }

.reviews-slider {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.review-card {
    background: var(--color-dark-2);
    border-radius: var(--radius-md);
    padding: 40px;
    border: 1px solid var(--color-border);
    position: relative;
    transition: var(--transition);
}

.review-card:hover {
    border-color: rgba(123, 28, 45, 0.3);
    transform: translateY(-4px);
}

.review-quote {
    font-family: Georgia, serif;
    font-size: 80px;
    color: rgba(123, 28, 45, 0.3);
    line-height: 0.8;
    margin-bottom: 24px;
}

.review-screenshot {
    width: 100%;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.review-text {
    font-size: 15px;
    color: var(--color-gray-light);
    line-height: 1.8;
    margin-bottom: 28px;
}

.review-author {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
}

.review-author strong {
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 700;
    color: var(--color-white);
}

.review-author span {
    font-size: 12px;
    color: var(--color-gray);
}

.reviews-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 60px;
}

.reviews-dots { display: flex; gap: 8px; }

.client-logos {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    flex-wrap: wrap;
    padding-top: 48px;
    border-top: 1px solid var(--color-border);
    margin-top: 16px;
}

.client-logo-item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px 36px;
    border-right: 1px solid var(--color-border);
    transition: var(--transition);
}

.client-logo-item:first-child { border-left: 1px solid var(--color-border); }

.client-logo-item:hover { background: rgba(255,255,255,0.03); }

.client-logo-img {
    height: 44px;
    width: auto;
    max-width: 160px;
    object-fit: contain;
    opacity: 0.35;
    transition: opacity 0.4s ease, transform 0.4s ease;
    display: block;
}

.client-logo-item:hover .client-logo-img {
    opacity: 1;
    transform: scale(1.05);
}

.client-logo-text {
    font-family: var(--font-heading);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.25);
    transition: var(--transition);
    white-space: nowrap;
}

.client-logo-item:hover .client-logo-text { color: rgba(255,255,255,0.7); }

/* Legacy support */
.client-logo img {
    height: 40px;
    width: auto;
    filter: brightness(0.5) grayscale(1);
    transition: var(--transition);
    object-fit: contain;
}
.client-logo img:hover { filter: brightness(1) grayscale(0); }

/* ============================================================
   CONTACT FORM SECTION
   ============================================================ */
.contact-form-section { padding: 80px 0; }

.contact-form-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
    padding: 60px;
    background: var(--color-dark-2);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.contact-form-title {
    font-family: var(--font-heading);
    font-size: clamp(24px, 2.5vw, 40px);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.contact-form-subtitle {
    font-size: 15px;
    color: var(--color-gray);
    line-height: 1.7;
    margin-bottom: 40px;
}

.contact-details { display: flex; flex-direction: column; gap: 16px; }

.contact-detail-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--color-dark-3);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.contact-detail-item:hover { border-color: rgba(123, 28, 45, 0.4); transform: translateX(4px); }

.contact-detail-icon {
    width: 40px;
    height: 40px;
    background: rgba(123, 28, 45, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-burgundy-light);
    flex-shrink: 0;
}

.contact-detail-icon svg { width: 18px; height: 18px; }

.contact-detail-text { display: flex; flex-direction: column; gap: 2px; }

.contact-detail-label {
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-gray);
    font-weight: 600;
}

.contact-detail-value {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-white);
}

/* Form styles */
.sbv-contact-form { display: flex; flex-direction: column; gap: 20px; }

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

.form-group label {
    font-family: var(--font-heading);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.6);
}

.required { color: var(--color-burgundy-light); }

.form-group input,
.form-group textarea {
    background: var(--color-dark-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    color: var(--color-white);
    font-size: 15px;
    transition: var(--transition);
    outline: none;
    width: 100%;
    resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.25); }

.form-group input:focus,
.form-group textarea:focus {
    border-color: rgba(123, 28, 45, 0.6);
    background: rgba(123, 28, 45, 0.05);
    box-shadow: 0 0 0 3px rgba(123, 28, 45, 0.15);
}

.form-submit { width: 100%; justify-content: center; margin-top: 8px; }

.form-success {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: rgba(123, 28, 45, 0.15);
    border: 1px solid rgba(123, 28, 45, 0.4);
    border-radius: var(--radius-sm);
    color: var(--color-white);
    font-size: 14px;
}

.form-success svg { width: 24px; height: 24px; color: var(--color-burgundy-light); flex-shrink: 0; }

.form-error {
    padding: 12px 16px;
    background: rgba(180, 30, 30, 0.15);
    border: 1px solid rgba(180, 30, 30, 0.4);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: #ff6b6b;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer { background: var(--color-black); }

.footer-top { background: var(--color-dark); }

.footer-main { padding: 80px 0 60px; }

.footer-grid {
    display: grid;
    grid-template-columns: 280px 180px 260px 240px;
    gap: 60px;
}

.footer-logo-text {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 900;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 4px;
    margin-bottom: 16px;
}

.footer-logo-img {
    height: 60px;
    width: auto;
    object-fit: contain;
    margin-bottom: 16px;
    display: block;
}

.footer-tagline {
    font-size: 13px;
    color: var(--color-gray);
    line-height: 1.7;
}

.footer-col-title {
    font-family: var(--font-heading);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.4);
    margin-bottom: 24px;
}

.footer-nav { display: flex; flex-direction: column; gap: 12px; }

.footer-nav a {
    font-size: 14px;
    color: rgba(255,255,255,0.55);
    transition: var(--transition);
    line-height: 1.4;
}

.footer-nav a:hover { color: var(--color-white); padding-left: 6px; }

.footer-address-block { display: flex; flex-direction: column; gap: 16px; }

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 13px;
    color: rgba(255,255,255,0.55);
    line-height: 1.5;
    transition: var(--transition);
}

a.footer-contact-item:hover { color: var(--color-white); }

.contact-icon { width: 16px; height: 16px; flex-shrink: 0; margin-top: 2px; color: var(--color-burgundy-light); }

.footer-bottom {
    padding: 24px 0;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-copy, .footer-inn {
    font-size: 12px;
    color: rgba(255,255,255,0.3);
}

/* ============================================================
   PAGE HERO
   ============================================================ */
.page-hero {
    background: var(--color-dark);
    padding-top: calc(var(--header-h) + 60px);
    border-bottom: 1px solid var(--color-border);
}

/* ============================================================
   PAGE ABOUT
   ============================================================ */
.about-full-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.about-full-img img {
    width: 100%;
    border-radius: var(--radius-lg);
    aspect-ratio: 4/5;
    object-fit: cover;
}

.about-full-text p {
    font-size: 17px;
    color: var(--color-gray-light);
    line-height: 1.8;
    margin-bottom: 20px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2px;
    background: var(--color-dark-2);
}

.stat-big-item {
    padding: 52px 40px;
    background: var(--color-dark);
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.stat-big-item:hover { background: var(--color-dark-2); }

.stat-big-number {
    font-family: var(--font-heading);
    font-size: clamp(40px, 4vw, 72px);
    font-weight: 900;
    color: var(--color-white);
    letter-spacing: -0.04em;
    line-height: 1;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--color-white), rgba(123,28,45,0.8));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-big-label {
    font-size: 14px;
    color: var(--color-gray);
    line-height: 1.5;
    max-width: 200px;
    margin: 0 auto;
}

/* ============================================================
   PAGE CONTACTS
   ============================================================ */
.contacts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contacts-company-name {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 40px;
    color: var(--color-white);
}

.contact-info-list { display: flex; flex-direction: column; gap: 16px; margin-bottom: 48px; }

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px 24px;
    background: var(--color-dark);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.contact-info-link:hover {
    border-color: rgba(123, 28, 45, 0.4);
    transform: translateX(4px);
}

.contact-info-icon {
    width: 48px;
    height: 48px;
    background: rgba(123, 28, 45, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-burgundy-light);
    flex-shrink: 0;
}

.contact-info-icon svg { width: 22px; height: 22px; }

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

.contact-info-label {
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-gray);
    font-weight: 600;
}

.contact-info-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-white);
}

.company-requisites {
    padding: 28px;
    background: var(--color-dark);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.requisites-title {
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.5);
}

.requisites-grid { display: flex; flex-direction: column; gap: 12px; }

.requisite-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
}

.req-label {
    font-size: 12px;
    color: var(--color-gray);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
}

.req-value {
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 700;
    color: var(--color-white);
}

.map-container {
    border-radius: 0;
    overflow: hidden;
    border-top: 1px solid var(--color-border);
}

.map-container iframe {
    display: block;
    filter: invert(0.9) hue-rotate(180deg) brightness(0.9) contrast(1.1);
}

/* ============================================================
   PAGE SERVICES LIST
   ============================================================ */
.services-list-grid { display: flex; flex-direction: column; gap: 2px; }

.service-list-card {
    display: grid;
    grid-template-columns: 480px 1fr;
    background: var(--color-dark);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: var(--transition);
    cursor: pointer;
}

.service-list-card:hover {
    border-color: rgba(123, 28, 45, 0.4);
    transform: translateX(4px);
}

.service-list-img {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
    background: var(--color-dark-2);
}

.service-list-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

.service-list-card:hover .service-list-img img { transform: scale(1.06); }

.service-placeholder-icon {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(123, 28, 45, 0.5);
    background: linear-gradient(135deg, var(--color-dark-2), var(--color-dark-3));
}

.service-placeholder-icon svg { width: 96px; height: 96px; }

.service-list-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, transparent 60%, rgba(0,0,0,0.3));
}

.service-list-content {
    padding: 48px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.service-list-num {
    font-family: var(--font-heading);
    font-size: 56px;
    font-weight: 900;
    color: rgba(123, 28, 45, 0.12);
    line-height: 1;
    margin-bottom: 20px;
    letter-spacing: -0.05em;
}

.service-list-title {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.service-list-desc {
    font-size: 15px;
    color: var(--color-gray);
    line-height: 1.7;
    margin-bottom: 24px;
    flex: 1;
}

.service-list-link {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-burgundy-light);
    transition: var(--transition);
}

.service-list-link svg { width: 18px; height: 18px; transition: var(--transition); }
.service-list-card:hover .service-list-link svg { transform: translateX(6px); }

/* ============================================================
   SINGLE SERVICE PAGE
   ============================================================ */
.service-content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.service-main-img {
    width: 100%;
    border-radius: var(--radius-lg);
    aspect-ratio: 4/5;
    object-fit: cover;
}

.service-full-desc p {
    font-size: 17px;
    color: var(--color-gray-light);
    line-height: 1.8;
    margin-bottom: 20px;
}

.service-features { margin-top: 32px; }

.service-features-title {
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--color-white);
}

.service-features-list { display: flex; flex-direction: column; gap: 14px; }

.service-features-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--color-gray-light);
}

.service-features-list li svg { width: 20px; height: 20px; color: var(--color-burgundy-light); flex-shrink: 0; }

.service-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 40px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--color-gray);
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.breadcrumb a { transition: var(--transition); }
.breadcrumb a:hover { color: var(--color-white); }
.breadcrumb span { color: rgba(255,255,255,0.25); }

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

.service-card-small { }

.other-services { background: var(--color-dark); }

/* ============================================================
   PROJECTS ALL GRID
   ============================================================ */
.projects-all-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.project-full-card {
    background: var(--color-dark);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.project-full-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 24px 60px rgba(0,0,0,0.4);
    border-color: rgba(123, 28, 45, 0.3);
}

.project-full-img {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
}

.project-full-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

.project-full-card:hover .project-full-img img { transform: scale(1.06); }

.project-full-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.project-full-card:hover .project-full-overlay { opacity: 1; }

.project-full-info { padding: 24px; }

.project-full-title {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 12px;
}

.project-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--color-gray);
    margin-top: 8px;
}

.project-meta svg { width: 14px; height: 14px; color: var(--color-burgundy-light); flex-shrink: 0; }

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-black); }
::-webkit-scrollbar-thumb { background: var(--color-burgundy); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-burgundy-light); }

/* ============================================================
   SELECTION
   ============================================================ */
::selection { background: rgba(123, 28, 45, 0.5); color: var(--color-white); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1200px) {
    :root { --container: 100%; }
    .container { padding: 0 30px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
    .advantages-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .service-list-card { grid-template-columns: 380px 1fr; }
}

@media (max-width: 1024px) {
    :root { --header-h: 70px; }
    .header-nav { display: none; }
    .header-contacts { gap: 8px; }
    .header-contact-group { display: flex; flex-direction: row; align-items: center; gap: 0; }
    .header-phone { font-size: 12px; font-weight: 700; white-space: nowrap; }
    .header-telegram { display: none; }
    .lang-switcher { display: flex; }
    .hamburger { display: flex; }
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .about-img-badge { right: 0; bottom: 0; }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .projects-slider { grid-template-columns: repeat(2, 1fr); }
    .reviews-slider { grid-template-columns: repeat(2, 1fr); }
    .contact-form-wrap { grid-template-columns: 1fr; gap: 36px; padding: 40px; }
    .contacts-grid { grid-template-columns: 1fr; }
    .about-full-grid { grid-template-columns: 1fr; }
    .about-full-img img { aspect-ratio: 16/9; }
    .service-content-grid { grid-template-columns: 1fr; }
    .service-list-card { grid-template-columns: 1fr; }
    .service-list-img { aspect-ratio: 16/9; }
}

@media (max-width: 768px) {
    :root { --header-h: 60px; }
    .container { padding: 0 16px; }
    .section-pad { padding: 52px 0; }
    .section-pad-sm { padding: 32px 0 20px; }
    .section-header { margin-bottom: 40px; }
    .hero-advantages { grid-template-columns: 1fr; }
    .hero-actions { flex-direction: column; align-items: stretch; }
    .hero-actions .btn-primary,
    .hero-actions .btn-outline { justify-content: center; }
    .services-grid { grid-template-columns: 1fr; }
    .projects-slider { grid-template-columns: 1fr; }
    .reviews-slider { grid-template-columns: 1fr; }
    .advantages-grid { grid-template-columns: 1fr; }
    .about-stats { grid-template-columns: 1fr; }
    .contact-form-wrap { padding: 24px; gap: 28px; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom-inner { flex-direction: column; text-align: center; }
    .projects-all-grid { grid-template-columns: 1fr; }
    .services-grid-small { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr; }
    .stat-big-item { padding: 32px 20px; }
    .review-card { padding: 24px; }
    .service-list-content { padding: 24px; }
    .hero-title { font-size: clamp(26px, 8vw, 44px); }
    .page-title { font-size: clamp(24px, 7vw, 40px); }
}

/* ============================================================
   SINGLE PROJECT PAGE
   ============================================================ */
.project-meta-bar {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
    margin-top: 24px;
}

.single-project .project-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--color-gray-light);
    background: var(--color-dark);
    padding: 10px 18px;
    border-radius: 100px;
    border: 1px solid var(--color-border);
}

.single-project .project-meta svg { width: 16px; height: 16px; color: var(--color-burgundy-light); flex-shrink: 0; }

/* Service & Project hero — clear fixed header */
.service-hero,
.project-hero {
    padding-top: calc(var(--header-h) + 40px);
}

.project-hero-img {
    width: 100%;
    aspect-ratio: 16/9;
    overflow: hidden;
    border-radius: var(--radius-lg);
    margin-bottom: 60px;
}

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

.project-description {
    font-size: 17px;
    color: var(--color-gray-light);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 800px;
}

.project-services-list { margin-bottom: 48px; }

.project-services-title {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 24px;
}

.project-services-list ul { display: flex; flex-direction: column; gap: 12px; }
.project-services-list li { display: flex; align-items: center; gap: 12px; font-size: 15px; color: var(--color-gray-light); }
.project-services-list li svg { width: 20px; height: 20px; color: var(--color-burgundy-light); flex-shrink: 0; }

.project-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 48px;
}

.project-gallery-item { aspect-ratio: 4/3; overflow: hidden; border-radius: var(--radius-md); }
.project-gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s ease; }
.project-gallery-item:hover img { transform: scale(1.05); }

.project-cta { display: flex; gap: 16px; flex-wrap: wrap; }

/* Privacy page */
.page-privacy { max-width: 800px; margin: 0 auto; }
.page-privacy h2 { font-family: var(--font-heading); font-size: 22px; font-weight: 700; margin: 40px 0 16px; }
.page-privacy p { font-size: 16px; color: var(--color-gray-light); line-height: 1.8; margin-bottom: 16px; }

@media (max-width: 768px) {
    .project-gallery { grid-template-columns: 1fr; }
    .project-meta-bar { flex-direction: column; gap: 12px; }
    .project-cta { flex-direction: column; }
}

/* ============================================================
   LANGUAGE SWITCHER
   ============================================================ */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 4px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 100px;
    padding: 4px 10px;
    flex-shrink: 0;
}

.lang-btn {
    background: none;
    border: none;
    color: rgba(255,255,255,0.5);
    font-family: var(--font-heading);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    cursor: pointer;
    padding: 2px 4px;
    border-radius: 100px;
    transition: color 0.2s;
    line-height: 1;
}

.lang-btn:hover { color: rgba(255,255,255,0.85); }

.lang-btn.active {
    color: var(--color-burgundy-light);
}

.lang-divider {
    color: rgba(255,255,255,0.2);
    font-size: 11px;
    user-select: none;
}

@media (min-width: 1025px) and (max-width: 1200px) {
    .lang-switcher { display: none; }
}

@media (max-width: 480px) {
    .btn-header { display: none; }
    .hero-content { padding-top: calc(var(--header-h) + 32px); padding-bottom: 48px; }
    .mobile-menu { padding: 90px 24px 24px; }
    .contact-form-wrap { padding: 20px; }
    .stat-big-item { padding: 24px 16px; }
    .service-list-content { padding: 20px; }
    .project-hero-img { margin-bottom: 32px; }
    .service-main-img { aspect-ratio: 16/9; }
    .footer-main { padding: 48px 0 32px; }
    .client-logo-item { padding: 14px 20px; }
    .client-logo-img { height: 32px; }
}

@media (max-width: 768px) {
    .client-logos {
        flex-wrap: nowrap;
        overflow-x: auto;
        overflow-y: hidden;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        justify-content: flex-start;
        gap: 0;
        scrollbar-width: none;
        -ms-overflow-style: none;
        padding-bottom: 4px;
    }
    .client-logos::-webkit-scrollbar { display: none; }
    .client-logo-item {
        flex-shrink: 0;
        scroll-snap-align: center;
        min-width: 160px;
        padding: 18px 28px;
    }
    .client-logo-item:first-child { border-left: none; }
    .client-logos-wrap { position: relative; }
    .client-logos-wrap::after {
        content: '';
        position: absolute;
        right: 0;
        top: 0;
        height: 100%;
        width: 48px;
        background: linear-gradient(to right, transparent, var(--color-bg));
        pointer-events: none;
    }
}

/* Mobile menu overlay */
.menu-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 997;
    cursor: pointer;
}
.menu-overlay.active { display: block; }

/* ============================================================
   LANGUAGE TOGGLE: .lang-en on <html>
   ============================================================ */
.en-only { display: none !important; }
.lang-en .en-only { display: inline !important; }
.lang-en .ru-only { display: none !important; }