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

:root {
    --primary: #2563EB;
    --primary-dark: #1D4ED8;
    --primary-light: #DBEAFE;
    --primary-50: #EFF6FF;
    --dark: #0F172A;
    --dark-700: #334155;
    --dark-600: #475569;
    --dark-400: #94A3B8;
    --dark-300: #CBD5E1;
    --light: #F8FAFC;
    --light-200: #F1F5F9;
    --white: #FFFFFF;
    --border: #E2E8F0;
    --success: #16A34A;
    --radius: 20px;
    --radius-md: 14px;
    --radius-sm: 10px;
    --radius-xs: 8px;
    --shadow-sm: 0 1px 2px rgba(15,23,42,0.04);
    --shadow: 0 1px 3px rgba(15,23,42,0.06), 0 1px 2px rgba(15,23,42,0.04);
    --shadow-md: 0 4px 6px -1px rgba(15,23,42,0.07), 0 2px 4px -2px rgba(15,23,42,0.05);
    --shadow-lg: 0 10px 15px -3px rgba(15,23,42,0.08), 0 4px 6px -4px rgba(15,23,42,0.04);
    --shadow-xl: 0 20px 25px -5px rgba(15,23,42,0.08), 0 8px 10px -6px rgba(15,23,42,0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(15,23,42,0.15);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: 0.15s ease;
}

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

body {
    font-family: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

img, svg { display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
    line-height: 1.4;
}

.btn--lg { padding: 16px 32px; font-size: 16px; }

.btn--primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(37,99,235,0.35);
}
.btn--primary:hover {
    background: var(--primary-dark);
    box-shadow: 0 6px 20px rgba(37,99,235,0.45);
    transform: translateY(-2px);
}

.btn--glass {
    background: rgba(37,99,235,0.08);
    color: var(--primary);
    border: 1.5px solid rgba(37,99,235,0.2);
}
.btn--glass:hover {
    background: rgba(37,99,235,0.14);
    border-color: rgba(37,99,235,0.3);
}

.btn--full { width: 100%; }

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(0,0,0,0.04);
    transition: all var(--transition);
}

.header.scrolled {
    background: rgba(255,255,255,0.95);
    box-shadow: 0 4px 30px rgba(15,23,42,0.08);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 20px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.logo__icon-wrap {
    width: 44px;
    height: 44px;
    position: relative;
}

.logo__drop {
    width: 44px;
    height: 44px;
    animation: logoBreathe 3s ease-in-out infinite;
    border-radius: 12px;
}

@keyframes logoBreathe {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.06); }
}

.logo__bubble--1 { animation: bubbleUp 2.5s ease-in-out infinite; }
.logo__bubble--2 { animation: bubbleUp 3s ease-in-out infinite 0.5s; }
.logo__bubble--3 { animation: bubbleUp 2.8s ease-in-out infinite 1s; }

@keyframes bubbleUp {
    0%, 100% { opacity: 0.5; transform: translateY(0); }
    50% { opacity: 0.2; transform: translateY(-3px); }
}

.logo__text-wrap {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo__text {
    font-family: 'Unbounded', 'Manrope', sans-serif;
    font-size: 18px;
    font-weight: 800;
    color: var(--dark);
    letter-spacing: -0.02em;
}

.logo__tagline {
    font-size: 11px;
    color: var(--dark-400);
    font-weight: 500;
    letter-spacing: 0.02em;
}

/* Nav */
.nav {
    display: flex;
    gap: 4px;
}

.nav__link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    font-size: 14px;
    font-weight: 600;
    color: var(--dark-600);
    border-radius: var(--radius-xs);
    transition: all var(--transition);
}

.nav__icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    opacity: 0.6;
    transition: all var(--transition);
}

.nav__link:hover .nav__icon {
    opacity: 1;
    transform: scale(1.1);
}

.nav__link:hover {
    color: var(--primary);
    background: var(--primary-50);
}

/* Header right */
.header__right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header__phone {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 700;
    color: var(--dark);
    padding: 8px 14px;
    border-radius: var(--radius-xs);
    transition: all var(--transition);
}
.header__phone:hover { color: var(--primary); background: var(--primary-50); }

.header__viber {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    font-size: 13px;
    font-weight: 700;
    color: #7C3AED;
    background: #F5F3FF;
    border-radius: var(--radius-xs);
    transition: all var(--transition);
}
.header__viber:hover { background: #EDE9FE; }

.header__telegram {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    font-size: 13px;
    font-weight: 700;
    color: #0EA5E9;
    background: #F0F9FF;
    border-radius: var(--radius-xs);
    transition: all var(--transition);
}
.header__telegram:hover { background: #E0F2FE; }

.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 10;
}
.burger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--dark);
    border-radius: 2px;
    transition: all var(--transition);
}

/* ===== HERO ===== */
.hero {
    position: relative;
    padding: 130px 0 90px;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

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

.hero__bg-svg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero__drop--1 { animation: dropFall 3s ease-in infinite; }
.hero__drop--2 { animation: dropFall 3.5s ease-in infinite 1s; }
.hero__drop--3 { animation: dropFall 4s ease-in infinite 2s; }

@keyframes dropFall {
    0% { opacity: 0.3; transform: translateY(0); }
    80% { opacity: 0.1; }
    100% { opacity: 0; transform: translateY(40px); }
}

.hero__inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 18px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    color: var(--dark-600);
    margin-bottom: 28px;
    box-shadow: var(--shadow);
}

.hero__badge-dot {
    width: 8px;
    height: 8px;
    background: #16A34A;
    border-radius: 50%;
    animation: dotPulse 2s infinite;
}

@keyframes dotPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(22,163,74,0.4); }
    50% { box-shadow: 0 0 0 6px rgba(22,163,74,0); }
}

.hero__title {
    font-family: 'Unbounded', 'Manrope', sans-serif;
    font-size: 52px;
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--dark);
    margin-bottom: 20px;
}

.hero__title-accent {
    background: linear-gradient(135deg, #2563EB, #0EA5E9);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    font-size: 17px;
    line-height: 1.7;
    color: var(--dark-600);
    margin-bottom: 36px;
    max-width: 460px;
}

.hero__actions {
    display: flex;
    gap: 14px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.hero__stats {
    display: flex;
    gap: 28px;
}

.hero__stat {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow);
}

.hero__stat-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-50);
    border-radius: var(--radius-xs);
    flex-shrink: 0;
}

.hero__stat-number {
    display: block;
    font-size: 22px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.hero__stat-label {
    display: block;
    font-size: 12px;
    color: var(--dark-400);
    font-weight: 500;
}

/* Hero Visual */
.hero__visual {
    display: flex;
    justify-content: center;
}

.hero__card {
    position: relative;
    max-width: 440px;
    width: 100%;
}

.hero__card-svg {
    width: 100%;
    height: auto;
    border-radius: var(--radius);
    box-shadow: var(--shadow-2xl);
}

.hero__water {
    animation: waterFlow 2s ease-in-out infinite;
}
.hero__water--2 {
    animation: waterFlow 2.5s ease-in-out infinite 0.5s;
}

@keyframes waterFlow {
    0%, 100% { opacity: 0.6; stroke-dashoffset: 0; }
    50% { opacity: 0.3; }
}

.hero__card-drop--1 { animation: cardDrop 2s ease-in infinite; }
.hero__card-drop--2 { animation: cardDrop 2.5s ease-in infinite 0.7s; }
.hero__card-drop--3 { animation: cardDrop 3s ease-in infinite 1.4s; }

@keyframes cardDrop {
    0% { opacity: 0.5; transform: translateY(0) scale(1); }
    100% { opacity: 0; transform: translateY(15px) scale(0.5); }
}

.hero__float-badge {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    background: var(--white);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    font-size: 13px;
    font-weight: 600;
    color: var(--dark);
    white-space: nowrap;
}
.hero__float-badge strong { font-weight: 800; }

.hero__float-badge--guarantee {
    top: 20px;
    right: -20px;
    animation: floatBadge 3s ease-in-out infinite;
    border-left: 3px solid #16A34A;
}
.hero__float-badge--speed {
    bottom: 120px;
    left: -30px;
    animation: floatBadge 3.5s ease-in-out infinite 0.5s;
    border-left: 3px solid #F59E0B;
}
.hero__float-badge--clean {
    bottom: 40px;
    right: -10px;
    animation: floatBadge 4s ease-in-out infinite 1s;
    border-left: 3px solid #8B5CF6;
}

@keyframes floatBadge {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* ===== SECTIONS ===== */
.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-label {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 12px;
    padding: 4px 14px;
    background: var(--primary-50);
    border-radius: 100px;
}
.section-label--light {
    color: #93C5FD;
    background: rgba(255,255,255,0.1);
}

.section-title {
    font-family: 'Unbounded', 'Manrope', sans-serif;
    font-size: 38px;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--dark);
    margin-bottom: 14px;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 16px;
    color: var(--dark-600);
    max-width: 540px;
    margin: 0 auto;
}

/* ===== SERVICES ===== */
.services {
    padding: 100px 0;
    background: var(--light);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.service-card {
    position: relative;
    background: var(--white);
    border-radius: var(--radius);
    padding: 28px 24px 20px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(37,99,235,0.08);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 20px rgba(15,23,42,0.08), 0 1px 4px rgba(15,23,42,0.04);
    --shimmer: 0;
}
.service-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(37,99,235,0.03) 0%, transparent 50%, rgba(37,99,235,0.05) 100%);
    opacity: var(--shimmer);
    transition: opacity 0.1s linear;
    pointer-events: none;
    border-radius: inherit;
}
.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(15,23,42,0.12), 0 4px 12px rgba(37,99,235,0.08);
    border-color: rgba(37,99,235,0.15);
}

.service-card__badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 700;
    color: var(--white);
    background: var(--primary);
    border-radius: 100px;
    letter-spacing: 0.02em;
}

.service-card__icon {
    width: 48px;
    height: 48px;
    margin-bottom: 16px;
}
.service-card__icon svg { width: 48px; height: 48px; }

.service-card__title {
    font-size: 16px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 8px;
}

.service-card__desc {
    font-size: 13px;
    line-height: 1.6;
    color: var(--dark-400);
    margin-bottom: auto;
    padding-bottom: 16px;
}

.service-card__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    gap: 12px;
}

.service-card__price {
    font-size: 13px;
    color: var(--dark-600);
}
.service-card__price strong {
    font-size: 22px;
    font-weight: 800;
    color: var(--primary);
}

.service-card__btn {
    padding: 8px 18px;
    font-family: inherit;
    font-size: 13px;
    font-weight: 700;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius-xs);
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.service-card__btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37,99,235,0.3);
}

.services__cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    padding: 28px 32px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    flex-wrap: wrap;
}

.services__cta-text {
    display: flex;
    align-items: center;
    gap: 10px;
}
.services__cta-text p {
    font-size: 15px;
    font-weight: 600;
    color: var(--dark-600);
}

/* ===== PORTFOLIO ===== */
.portfolio {
    padding: 100px 0;
    background: var(--light);
}

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

.portfolio__item {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(15,23,42,0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio__item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 24px 48px rgba(15,23,42,0.18);
}

.portfolio__photo {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    display: block;
}

.portfolio__placeholder {
    position: absolute;
    inset: 0;
    z-index: 0;
    background:
        linear-gradient(135deg, rgba(37, 99, 235, 0.22) 0%, transparent 50%),
        linear-gradient(160deg, #64748b 0%, #475569 38%, #334155 100%);
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1), filter 0.6s ease;
}

.portfolio__soon {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 24px 100px;
    pointer-events: none;
    font-family: 'Unbounded', 'Manrope', sans-serif;
    font-size: clamp(14px, 2.4vw, 17px);
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.95);
    text-shadow:
        0 0 24px rgba(15, 23, 42, 0.45),
        0 2px 8px rgba(15, 23, 42, 0.5);
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio__photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1), filter 0.6s ease;
    display: block;
}

.portfolio__item:hover .portfolio__placeholder {
    transform: scale(1.06);
    filter: brightness(0.92);
}

.portfolio__item:hover .portfolio__soon {
    transform: scale(1.03);
}

.portfolio__item:hover .portfolio__photo img {
    transform: scale(1.1);
    filter: brightness(0.85);
}

.portfolio__overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(to top,
        rgba(15,23,42,0.75) 0%,
        rgba(15,23,42,0.25) 45%,
        rgba(15,23,42,0.05) 100%
    );
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
    transition: background var(--transition);
}

.portfolio__item:hover .portfolio__overlay {
    background: linear-gradient(to top,
        rgba(15,23,42,0.85) 0%,
        rgba(15,23,42,0.4) 50%,
        rgba(15,23,42,0.1) 100%
    );
}

.portfolio__tag {
    display: inline-block;
    padding: 5px 14px;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: white;
    border-radius: 100px;
    font-size: 11px;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: 0.05em;
    width: fit-content;
    border: 1px solid rgba(255,255,255,0.15);
    transition: all var(--transition);
}

.portfolio__item:hover .portfolio__tag {
    background: var(--primary);
    border-color: var(--primary);
}

.portfolio__overlay h4 {
    font-size: 17px;
    font-weight: 800;
    color: white;
    margin-bottom: 4px;
    transition: transform var(--transition);
}

.portfolio__item:hover .portfolio__overlay h4 {
    transform: translateY(-2px);
}

.portfolio__overlay p {
    font-size: 13px;
    color: rgba(255,255,255,0.55);
    transition: color var(--transition);
}

.portfolio__item:hover .portfolio__overlay p {
    color: rgba(255,255,255,0.8);
}

/* ===== ADVANTAGES ===== */
.advantages {
    padding: 100px 0;
    background: var(--light);
}

.advantages__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.advantage-card {
    padding: 36px 24px;
    border-radius: var(--radius);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
    cursor: default;
}
.advantage-card::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: currentColor;
    opacity: 0.06;
    transform: translate(-50%, -50%);
    transition: width 0.5s ease, height 0.5s ease;
}
.advantage-card:hover::before {
    width: 300px;
    height: 300px;
}
.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 40px rgba(0,0,0,0.08);
}
.advantage-card:hover .advantage-card__icon svg {
    transform: scale(1.15) rotate(-5deg);
}

.advantage-card--blue {
    background: linear-gradient(135deg, #EFF6FF, #DBEAFE);
    border-color: #BFDBFE;
    color: #2563EB;
}
.advantage-card--green {
    background: linear-gradient(135deg, #F0FDF4, #DCFCE7);
    border-color: #BBF7D0;
    color: #16A34A;
}
.advantage-card--amber {
    background: linear-gradient(135deg, #FFFBEB, #FEF3C7);
    border-color: #FDE68A;
    color: #D97706;
}
.advantage-card--violet {
    background: linear-gradient(135deg, #F5F3FF, #EDE9FE);
    border-color: #DDD6FE;
    color: #7C3AED;
}

.advantage-card__icon {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}
.advantage-card__icon svg {
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.advantage-card h3 {
    font-size: 17px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 10px;
    position: relative;
}

.advantage-card p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--dark-600);
    position: relative;
}

/* ===== PROCESS ===== */
.process {
    padding: 100px 0;
    background: var(--white);
}

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

.process__line {
    position: absolute;
    top: 24px;
    left: 12.5%;
    right: 12.5%;
    height: 2px;
    background: var(--border);
    z-index: 0;
}

.process__step {
    position: relative;
    z-index: 1;
    text-align: center;
}

.process__dot {
    width: 48px;
    height: 48px;
    margin: 0 auto 20px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 16px;
    box-shadow: 0 4px 14px rgba(37,99,235,0.3);
}

.process__card {
    padding: 24px 16px;
    background: var(--light);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

.process__card svg {
    margin: 0 auto 12px;
}

.process__card h3 {
    font-size: 15px;
    font-weight: 800;
    margin-bottom: 8px;
}

.process__card p {
    font-size: 13px;
    color: var(--dark-600);
    line-height: 1.5;
}

/* ===== CALLBACK ===== */
.callback {
    position: relative;
    padding: 100px 0;
    overflow: hidden;
}

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

.callback__bg-svg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.callback__inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.callback__title {
    font-family: 'Unbounded', 'Manrope', sans-serif;
    font-size: 34px;
    font-weight: 800;
    color: var(--white);
    line-height: 1.25;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.callback__highlight {
    display: inline-block;
    padding: 2px 14px;
    background: rgba(255,255,255,0.15);
    border-radius: var(--radius-xs);
    color: #93C5FD;
}

.callback__subtitle {
    font-size: 15px;
    color: rgba(255,255,255,0.65);
    margin-bottom: 32px;
    line-height: 1.7;
}

.callback__trust {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.callback__trust-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255,255,255,0.85);
    font-size: 14px;
    font-weight: 600;
}

.callback__form {
    background: var(--white);
    padding: 36px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-2xl);
}

.callback__form-title {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 24px;
    color: var(--dark);
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 700;
    color: var(--dark-700);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-xs);
    font-family: inherit;
    font-size: 15px;
    color: var(--dark);
    background: var(--light);
    transition: all var(--transition);
    outline: none;
    -webkit-appearance: none;
}

.form-group select {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

.form-group textarea { resize: vertical; }

.callback__privacy,
.popup__privacy {
    font-size: 12px;
    color: var(--dark-400);
    text-align: center;
    margin-top: 12px;
}

/* ===== CONTACTS ===== */
.contacts {
    padding: 100px 0;
    background: var(--light);
}

.contacts__layout {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 32px;
    align-items: stretch;
}

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

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: var(--white);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    transition: all var(--transition);
}
.contact-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.contact-item__icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.contact-item__icon--blue { background: #EFF6FF; color: #2563EB; }
.contact-item__icon--violet { background: #F5F3FF; color: #7C3AED; }
.contact-item__icon--sky { background: #F0F9FF; color: #0EA5E9; }
.contact-item__icon--green { background: #F0FDF4; color: #16A34A; }
.contact-item__icon--amber { background: #FFFBEB; color: #D97706; }
.contact-item__icon--rose { background: #FFF1F2; color: #E11D48; }

.operator-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 2px 8px;
    font-size: 10px;
    font-weight: 800;
    border-radius: 4px;
    letter-spacing: 0.04em;
    line-height: 1.4;
    flex-shrink: 0;
}

.operator-badge--mts {
    background: #E11D48;
    color: white;
}

.operator-badge--a1 {
    background: #FBBF24;
    color: #78350F;
}

.contact-phone {
    display: flex !important;
    align-items: center;
    gap: 8px;
}

.contact-phone .operator-badge {
    min-width: 32px;
    text-align: center;
}

.contact-item h4 {
    font-size: 14px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 4px;
}

.contact-item a,
.contact-item p {
    display: block;
    font-size: 14px;
    color: var(--dark-600);
    line-height: 1.6;
}
.contact-item a:hover { color: var(--primary); }

.contacts__map {
    min-height: 400px;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
}

.contacts__map iframe {
    width: 100%;
    height: 100%;
    min-height: 400px;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--dark);
    color: rgba(255,255,255,0.6);
}

.footer__top {
    padding: 64px 0 48px;
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 40px;
}

.footer__about {
    font-size: 14px;
    margin-top: 16px;
    line-height: 1.7;
}

.footer__socials {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.footer__social {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
    color: rgba(255,255,255,0.5);
    transition: all var(--transition);
}
.footer__social:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

.footer__col h4 {
    color: var(--white);
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 20px;
}

.footer__col ul {
    list-style: none;
}

.footer__col li {
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer__col li a,
.footer__col li span {
    font-size: 14px;
    line-height: 2.2;
    transition: color var(--transition);
}
.footer__col li a:hover { color: var(--white); }

.footer__bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 20px 0;
}

.footer__bottom-inner {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: rgba(255,255,255,0.3);
}

/* ===== FLOATING CTA ===== */
.floating-cta {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 999;
}

.floating-cta__main {
    width: 60px;
    height: 60px;
    background: var(--primary);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 24px rgba(37,99,235,0.4);
    transition: all var(--transition);
    position: relative;
    z-index: 2;
}
.floating-cta__main:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 30px rgba(37,99,235,0.5);
}

.floating-cta__icon--close { display: none; }
.floating-cta.active .floating-cta__icon--phone { display: none; }
.floating-cta.active .floating-cta__icon--close { display: block; }

.floating-cta__main::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid var(--primary);
    opacity: 0;
    animation: ctaPulse 2s infinite;
}

@keyframes ctaPulse {
    0% { opacity: 0.5; transform: scale(1); }
    100% { opacity: 0; transform: scale(1.4); }
}

.floating-cta__menu {
    position: absolute;
    bottom: 72px;
    right: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px) scale(0.95);
    transition: all var(--transition);
}

.floating-cta.active .floating-cta__menu {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(1);
}

.floating-cta__item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
    white-space: nowrap;
    cursor: pointer;
    transition: all var(--transition);
}
.floating-cta__item:hover {
    box-shadow: var(--shadow-xl);
    transform: translateX(-4px);
}

.floating-cta__item--call { color: #16A34A; }
.floating-cta__item--viber { color: #7C3AED; }
.floating-cta__item--telegram { color: #0EA5E9; }
.floating-cta__item--form { color: var(--primary); }

/* ===== POPUP ===== */
.popup {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
    padding: 20px;
}
.popup.active {
    opacity: 1;
    pointer-events: auto;
}

.popup__overlay {
    position: absolute;
    inset: 0;
    background: rgba(15,23,42,0.5);
    backdrop-filter: blur(4px);
}

.popup__content {
    position: relative;
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius);
    max-width: 460px;
    width: 100%;
    transform: scale(0.92) translateY(20px);
    transition: transform var(--transition);
    box-shadow: var(--shadow-2xl);
    max-height: 90vh;
    overflow-y: auto;
}
.popup.active .popup__content {
    transform: scale(1) translateY(0);
}

.popup__content--success {
    text-align: center;
    max-width: 380px;
}
.popup__content--success svg { margin: 0 auto 16px; }
.popup__content--success h3 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 8px;
}
.popup__content--success p {
    color: var(--dark-600);
    margin-bottom: 24px;
}

.popup__close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--light);
    border: none;
    border-radius: 50%;
    font-size: 22px;
    color: var(--dark-400);
    cursor: pointer;
    transition: all var(--transition);
    line-height: 1;
}
.popup__close:hover { background: var(--border); color: var(--dark); }

.popup__header {
    text-align: center;
    margin-bottom: 28px;
}
.popup__header svg { margin: 0 auto 12px; }
.popup__header h3 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 6px;
}
.popup__header p {
    font-size: 14px;
    color: var(--dark-400);
}

/* ===== ANIMATIONS ===== */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .hero__title { font-size: 42px; }
    .section-title { font-size: 32px; }
    .services__grid { grid-template-columns: repeat(2, 1fr); }
    .advantages__grid { grid-template-columns: repeat(2, 1fr); }
    .process__track { grid-template-columns: repeat(2, 1fr); }
    .process__line { display: none; }
    .footer__grid { grid-template-columns: repeat(2, 1fr); }
    .contacts__layout { grid-template-columns: 1fr; }
    .contacts__map { min-height: 350px; }
    .portfolio__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav {
        display: none;
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 16px;
        gap: 4px;
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-lg);
    }
    .nav.active { display: flex; }
    .nav__link { padding: 14px 16px; font-size: 15px; border-radius: var(--radius-xs); }
    .header__right { display: none; }
    .burger { display: flex; }
    .burger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
    .burger.active span:nth-child(2) { opacity: 0; }
    .burger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

    .hero { padding: 100px 0 60px; min-height: auto; }
    .hero__inner { grid-template-columns: 1fr; gap: 40px; }
    .hero__title { font-size: 34px; }
    .hero__visual { order: -1; }
    .hero__card { max-width: 300px; }
    .hero__float-badge { font-size: 11px; padding: 8px 12px; }
    .hero__float-badge--guarantee { right: -10px; top: 10px; }
    .hero__float-badge--speed { left: -10px; bottom: 80px; }
    .hero__float-badge--clean { right: 0; bottom: 20px; }
    .hero__stats { flex-direction: column; gap: 10px; }

    .section-title { font-size: 28px; }
    .services__grid { grid-template-columns: 1fr; }
    .portfolio__grid { grid-template-columns: 1fr; }
    .advantages__grid { grid-template-columns: 1fr; }
    .process__track { grid-template-columns: 1fr; }
    .callback__inner { grid-template-columns: 1fr; gap: 40px; }
    .callback__title { font-size: 26px; }
    .callback__form { padding: 24px; }
    .contacts__layout { grid-template-columns: 1fr; }
    .footer__grid { grid-template-columns: 1fr; gap: 32px; }
    .footer__bottom-inner { flex-direction: column; align-items: center; gap: 4px; text-align: center; }

    .popup__content { padding: 28px 20px; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .hero__title { font-size: 28px; }
    .hero__actions { flex-direction: column; }
    .hero__actions .btn { width: 100%; }
    .services__cta { flex-direction: column; gap: 16px; text-align: center; }
}

/* ===== FORM VALIDATION ===== */
.form-group { position: relative; }

.form-group input,
.form-group textarea,
.form-group select {
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input.input--error,
.form-group textarea.input--error,
.form-group select.input--error {
    border-color: #EF4444 !important;
    box-shadow: 0 0 0 3px rgba(239,68,68,0.12) !important;
    background: #FFF5F5;
}

.form-group input.input--success,
.form-group textarea.input--success,
.form-group select.input--success {
    border-color: #22C55E !important;
    box-shadow: 0 0 0 3px rgba(34,197,94,0.1) !important;
}

.field-error {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-top: 5px;
    font-size: 12px;
    color: #EF4444;
    font-weight: 500;
    line-height: 1.4;
    animation: errIn 0.18s ease;
}

.field-error::before {
    content: '';
    display: inline-block;
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' fill='none' stroke='%23EF4444' stroke-width='2.5' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cline x1='12' y1='8' x2='12' y2='12'/%3E%3Cline x1='12' y1='16' x2='12.01' y2='16'/%3E%3C/svg%3E") center/contain no-repeat;
}

@keyframes errIn {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ===== TOAST ===== */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: #1E293B;
    color: #fff;
    padding: 14px 22px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s, transform 0.25s;
    max-width: calc(100vw - 32px);
    white-space: nowrap;
}

.toast.toast--visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

.toast--error { background: #7F1D1D; border-left: 4px solid #EF4444; }
.toast--success { background: #14532D; border-left: 4px solid #22C55E; }