* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Смягчённый синий: меньше насыщенности, спокойнее на глаз */
    --primary: #5a8aca;
    --primary-dark: #3f6fa3;
    --primary-light: #88b0de;
    --primary-rgb: 90, 138, 202;
    --section-space: 60px;
    --section-space-mobile: 40px;
    --radius-xl: 30px;
    --radius-lg: 24px;
    --radius-md: 18px;

    /* Theme tokens (default: dark) */
    --bg: #0f1218;
    --bg-elev: #141a23;
    --surface: #171f2b;
    --surface-2: #1b2534;
    --text: #eef2ff;
    --text-muted: rgba(238, 242, 255, 0.72);
    --border: rgba(255, 255, 255, 0.10);
    --shadow-soft: 0 14px 26px rgba(0, 0, 0, 0.35);
    --header-bg: rgba(15, 18, 24, 0.72);
    --header-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
}

/* Light theme overrides */
html[data-theme="light"] {
    --bg: #ffffff;
    --bg-elev: #f6f8fd;
    --surface: #ffffff;
    --surface-2: #ffffff;
    --text: #1e1e2f;
    --text-muted: #667085;
    --border: rgba(16, 24, 40, 0.10);
    --shadow-soft: 0 14px 26px rgba(20, 37, 63, 0.06);
    --header-bg: rgba(255, 255, 255, 0.92);
    --header-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.5;
    color: var(--text);
    background-color: var(--bg);
    overflow-x: hidden;
}

.toast-stack {
    position: fixed;
    left: 50%;
    top: 14px;
    transform: translateX(-50%);
    z-index: 2000;
    display: grid;
    gap: 10px;
    width: min(520px, calc(100vw - 24px));
    pointer-events: none;
}

.toast {
    pointer-events: none;
    display: grid;
    grid-template-columns: 22px 1fr;
    gap: 12px;
    align-items: start;
    padding: 12px 14px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(10, 12, 18, 0.86);
    backdrop-filter: blur(10px);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.38);
    color: rgba(255, 255, 255, 0.92);
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.toast.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.toast__icon {
    width: 22px;
    height: 22px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 800;
    color: #fff;
    background: rgba(var(--primary-rgb), 0.45);
}

.toast--success .toast__icon {
    background: rgba(45, 212, 191, 0.5);
}

.toast--error .toast__icon {
    background: rgba(255, 123, 123, 0.55);
}

.toast__title {
    font-weight: 800;
    margin-bottom: 2px;
    font-size: 14px;
}

.toast__text {
    font-size: 13px;
    line-height: 1.35;
    color: rgba(255, 255, 255, 0.82);
}

html[data-theme="light"] .toast {
    background: rgba(255, 255, 255, 0.96);
    border-color: rgba(16, 24, 40, 0.10);
    box-shadow: 0 18px 40px rgba(20, 37, 63, 0.12);
    color: rgba(16, 24, 40, 0.92);
}

html[data-theme="light"] .toast__text {
    color: rgba(16, 24, 40, 0.72);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.floating-contact {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 999;
}

.floating-contact a {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: 0 8px 20px rgba(var(--primary-rgb), 0.32);
    transition: all 0.25s ease;
}

.floating-contact a:hover {
    transform: translateY(-2px) scale(1.06);
}

.header {
    background: var(--header-bg);
    backdrop-filter: blur(10px);
    box-shadow: var(--header-shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-size: 22px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
    letter-spacing: 0.8px;
}

.nav__list {
    display: flex;
    gap: 28px;
    list-style: none;
}

.nav__link {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    transition: color 0.25s ease;
    position: relative;
    font-size: 15px;
}

.nav__link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.25s ease;
}

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

.nav__link:hover::after {
    width: 100%;
}

.burger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.burger span {
    width: 100%;
    height: 2.5px;
    border-radius: 4px;
    background: var(--text);
}

.header__actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Theme switch (uiverse.io/Galahhad/strong-squid-82) */
.theme-switch {
    --toggle-size: 12px;
    --container-width: 5.625em;
    --container-height: 2.5em;
    --container-radius: 6.25em;
    --container-light-bg: rgba(255, 255, 255, 0.06);
    --container-night-bg: rgba(255, 255, 255, 0.06);
    --circle-container-diameter: 3.375em;
    --sun-moon-diameter: 2.125em;
    --sun-bg: #ECCA2F;
    --moon-bg: #C4C9D1;
    --spot-color: #959DB1;
    --circle-container-offset: calc((var(--circle-container-diameter) - var(--container-height)) / 2 * -1);
    --stars-color: #fff;
    --clouds-color: rgba(255, 255, 255, 0.9);
    --back-clouds-color: rgba(var(--primary-rgb), 0.20);
    --transition: .5s cubic-bezier(0, -0.02, 0.4, 1.25);
    --circle-transition: .3s cubic-bezier(0, -0.02, 0.35, 1.17);
    display: inline-flex;
    align-items: center;
}

.theme-switch, .theme-switch *, .theme-switch *::before, .theme-switch *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-size: var(--toggle-size);
}

.theme-switch__container {
    width: var(--container-width);
    height: var(--container-height);
    background-color: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border);
    border-radius: var(--container-radius);
    overflow: hidden;
    cursor: pointer;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
    transition: var(--transition);
    position: relative;
    backdrop-filter: blur(8px);
}

.theme-switch__container::before {
    content: "";
    position: absolute;
    z-index: 1;
    inset: 0;
    box-shadow: 0em 0.05em 0.187em rgba(0, 0, 0, 0.35) inset, 0em 0.05em 0.187em rgba(0, 0, 0, 0.25) inset;
    border-radius: var(--container-radius);
}

.theme-switch__checkbox {
    display: none;
}

.theme-switch__circle-container {
    width: var(--circle-container-diameter);
    height: var(--circle-container-diameter);
    background-color: rgba(255, 255, 255, 0.08);
    position: absolute;
    left: var(--circle-container-offset);
    top: 50%;
    transform: translateY(-50%);
    border-radius: var(--container-radius);
    box-shadow: inset 0 0 0 3.375em rgba(255, 255, 255, 0.06), 0 0 0 0.625em rgba(255, 255, 255, 0.05), 0 0 0 1.25em rgba(255, 255, 255, 0.04);
    display: flex;
    transition: var(--circle-transition);
    pointer-events: none;
}

.theme-switch__sun-moon-container {
    pointer-events: auto;
    position: relative;
    z-index: 2;
    width: var(--sun-moon-diameter);
    height: var(--sun-moon-diameter);
    margin: auto;
    border-radius: var(--container-radius);
    /* Дневное состояние: жёлтое солнце (как в оригинале uiverse) */
    background-color: var(--sun-bg);
    box-shadow: 0.062em 0.062em 0.062em 0em rgba(255, 255, 255, 0.14) inset, 0em -0.062em 0.062em 0em rgba(0, 0, 0, 0.35) inset;
    filter: drop-shadow(0.062em 0.125em 0.125em rgba(0, 0, 0, 0.35));
    overflow: hidden;
    transition: var(--transition);
}

.theme-switch__moon {
    transform: translateX(100%);
    width: 100%;
    height: 100%;
    background-color: var(--moon-bg);
    border-radius: inherit;
    box-shadow: 0.062em 0.062em 0.062em 0em rgba(255, 255, 255, 0.35) inset, 0em -0.062em 0.062em 0em rgba(0, 0, 0, 0.25) inset;
    transition: var(--transition);
    position: relative;
}

.theme-switch__spot {
    position: absolute;
    top: 0.75em;
    left: 0.312em;
    width: 0.75em;
    height: 0.75em;
    border-radius: var(--container-radius);
    background-color: var(--spot-color);
    box-shadow: 0em 0.0312em 0.062em rgba(0, 0, 0, 0.25) inset;
}

.theme-switch__spot:nth-of-type(2) {
    width: 0.375em;
    height: 0.375em;
    top: 0.937em;
    left: 1.375em;
}

.theme-switch__spot:nth-last-of-type(3) {
    width: 0.25em;
    height: 0.25em;
    top: 0.312em;
    left: 0.812em;
}

.theme-switch__clouds {
    width: 1.25em;
    height: 1.25em;
    background-color: var(--clouds-color);
    border-radius: var(--container-radius);
    position: absolute;
    bottom: -0.625em;
    left: 0.312em;
    box-shadow:
        0.937em 0.312em var(--clouds-color),
        -0.312em -0.312em var(--back-clouds-color),
        1.437em 0.375em var(--clouds-color),
        0.5em -0.125em var(--back-clouds-color),
        2.187em 0 var(--clouds-color),
        1.25em -0.062em var(--back-clouds-color),
        2.937em 0.312em var(--clouds-color),
        2em -0.312em var(--back-clouds-color),
        3.625em -0.062em var(--clouds-color),
        2.625em 0em var(--back-clouds-color),
        4.5em -0.312em var(--clouds-color),
        3.375em -0.437em var(--back-clouds-color),
        4.625em -1.75em 0 0.437em var(--clouds-color),
        4em -0.625em var(--back-clouds-color),
        4.125em -2.125em 0 0.437em var(--back-clouds-color);
    transition: 0.5s cubic-bezier(0, -0.02, 0.4, 1.25);
}

.theme-switch__stars-container {
    position: absolute;
    z-index: 0;
    fill: var(--stars-color);
    color: var(--stars-color);
    top: -100%;
    left: 0.312em;
    width: 2.75em;
    height: auto;
    transition: var(--transition);
}

/* actions */
.theme-switch__checkbox:checked + .theme-switch__container {
    background-color: rgba(255, 255, 255, 0.06);
}

.theme-switch__checkbox:checked + .theme-switch__container .theme-switch__circle-container {
    left: calc(100% - var(--circle-container-offset) - var(--circle-container-diameter));
}

.theme-switch__circle-container:hover {
    left: calc(var(--circle-container-offset) + 0.187em);
}

.theme-switch__checkbox:checked + .theme-switch__container .theme-switch__circle-container:hover {
    left: calc(100% - var(--circle-container-offset) - var(--circle-container-diameter) - 0.187em);
}

.theme-switch__checkbox:checked + .theme-switch__container .theme-switch__moon {
    transform: translate(0);
}

.theme-switch__checkbox:checked + .theme-switch__container .theme-switch__clouds {
    bottom: -4.062em;
}

.theme-switch__checkbox:checked + .theme-switch__container .theme-switch__stars-container {
    top: 50%;
    transform: translateY(-50%);
}

/* Slightly different look in light theme header (keeps "old vibe") */
html[data-theme="light"] .theme-switch__container {
    background: rgba(16, 24, 40, 0.04);
    box-shadow: 0 10px 20px rgba(20, 37, 63, 0.12);
}

html[data-theme="light"] .theme-switch {
    --clouds-color: #F3FDFF;
    --back-clouds-color: #AACADF;
    --sun-bg: #ECCA2F;
}

.hero {
    position: relative;
    padding: 100px 0 70px;
    background: url('https://images.unsplash.com/photo-1600585154340-be6161a56a0c?q=80&w=1920&auto=format&fit=crop') center/cover fixed;
    background: url('images/house.avif') center/cover fixed;
    color: #fff;
    text-align: center;
    overflow: hidden;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    /* «Синее стекло» поверх фото (как раньше): мягкое, не кислотное */
    background:
        radial-gradient(900px 420px at 50% 0%, rgba(var(--primary-rgb), 0.35) 0%, rgba(var(--primary-rgb), 0) 65%),
        linear-gradient(140deg, rgba(7, 10, 18, 0.82) 0%, rgba(var(--primary-rgb), 0.42) 100%);
}

.hero__container {
    position: relative;
    z-index: 2;
    max-width: 860px;
}

.hero__chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border-radius: 999px;
    padding: 8px 14px;
    font-size: 13px;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.35);
    margin-bottom: 16px;
}

.hero__title {
    font-size: 50px;
    font-weight: 800;
    line-height: 1.13;
    margin-bottom: 16px;
    text-shadow: 0 3px 16px rgba(0, 0, 0, 0.25);
}

.hero__subtitle {
    font-size: 18px;
    max-width: 760px;
    margin: 0 auto 24px;
    opacity: 0.95;
}

.hero__btns {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-bottom: 20px;
}

.hero__trust {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.hero__trust span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.26);
    font-size: 13px;
    font-weight: 500;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 26px;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 600;
    border: 2px solid transparent;
    transition: all 0.25s ease;
    cursor: pointer;
    font-size: 15px;
}

.btn--primary {
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    box-shadow: 0 12px 24px rgba(var(--primary-rgb), 0.28);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 28px rgba(var(--primary-rgb), 0.36);
}

.btn--outline {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.75);
}

.btn--outline:hover {
    background: rgba(255, 255, 255, 0.92);
    color: var(--primary);
}

.btn--neon {
    position: relative;
    overflow: hidden;
}

.btn--neon::before {
    content: '';
    position: absolute;
    top: -70%;
    left: -30%;
    width: 35%;
    height: 240%;
    background: rgba(255, 255, 255, 0.4);
    transform: rotate(25deg);
    transition: all 0.5s ease;
}

.btn--neon:hover::before {
    left: 120%;
}

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

section {
    padding: var(--section-space) 0;
}

.section-title {
    font-size: 34px;
    line-height: 1.2;
    font-weight: 800;
    text-align: center;
    margin-bottom: 12px;
}

.section-title::after {
    content: '';
    display: block;
    width: 70px;
    height: 4px;
    border-radius: 10px;
    margin: 14px auto 0;
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
}

.section-subtitle {
    max-width: 780px;
    margin: 0 auto 30px;
    text-align: center;
    color: var(--text-muted);
}

.section-title--left,
.section-subtitle--left {
    text-align: left;
    margin-left: 0;
}

.section-title--left::after {
    margin-left: 0;
}

.stats {
    background: var(--bg-elev);
    padding-top: 26px;
    padding-bottom: var(--section-space);
}

.stats__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.stat-item {
    padding: 18px;
    border-radius: var(--radius-md);
    background: var(--surface);
    border: 1px solid var(--border);
}

.stat-number {
    font-size: 34px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.1;
}

.stat-label {
    color: var(--text-muted);
    font-size: 14px;
    margin: 6px 0 12px;
}

.stat-progress {
    width: 100%;
    height: 7px;
    border-radius: 10px;
    background: rgba(var(--primary-rgb), 0.18);
    overflow: hidden;
}

.stat-progress span {
    display: block;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
}

.features {
    background: var(--bg);
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.feature-card {
    background: var(--surface);
    padding: 24px 20px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-soft);
    text-align: center;
    transition: all 0.25s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 36px rgba(var(--primary-rgb), 0.12);
    border-color: rgba(var(--primary-rgb), 0.32);
}

.feature-card__icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    margin: 0 auto 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--primary);
    background: rgba(var(--primary-rgb), 0.18);
}

.feature-card__title {
    font-size: 20px;
    margin-bottom: 8px;
}

.feature-card__text {
    color: var(--text-muted);
    font-size: 15px;
}

.services {
    background: var(--bg-elev);
}

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

.service-card {
    position: relative;
    background: var(--surface);
    padding: 24px 24px 24px 28px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-soft);
    transition: all 0.25s ease;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 36px rgba(var(--primary-rgb), 0.11);
}

/* Акцент слева: внутри скругления, с отступом от углов — не «ломает» карточку */
.service-card::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 18px;
    bottom: 18px;
    width: 3px;
    border-radius: 999px;
    background: linear-gradient(180deg, var(--primary), var(--primary-dark));
    opacity: 0.95;
    pointer-events: none;
}

.service-card__icon {
    font-size: 30px;
    color: var(--primary);
    margin-bottom: 14px;
}

.service-card__title {
    font-size: 22px;
    margin-bottom: 8px;
}

.service-card__text {
    color: var(--text-muted);
    margin-bottom: 14px;
}

.service-card__badge {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 999px;
    color: var(--primary);
    background: rgba(var(--primary-rgb), 0.18);
    font-size: 13px;
    font-weight: 700;
}

.calculator {
    background: var(--bg);
}

.calculator__wrapper {
    border-radius: var(--radius-xl);
    background: linear-gradient(150deg, rgba(255, 255, 255, 0.06) 0%, rgba(var(--primary-rgb), 0.10) 65%, rgba(255, 255, 255, 0.04) 100%);
    border: 1px solid var(--border);
    padding: 30px;
    box-shadow: 0 25px 45px rgba(var(--primary-rgb), 0.07);
}

.calculator__grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 20px;
}

.calculator__label {
    font-size: 17px;
    margin: 14px 0 10px;
}

.calc-services,
.calc-type,
.calc-options {
    display: grid;
    gap: 10px;
}

.calc-services {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.calc-chip input,
.calc-radio input,
.calc-option input {
    display: none;
}

.calc-chip span,
.calc-radio span,
.calc-option span {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 11px 12px;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.04);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.calc-chip input:checked + span,
.calc-radio input:checked + span,
.calc-option input:checked + span {
    border-color: var(--primary);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: #fff;
    box-shadow: 0 10px 18px rgba(var(--primary-rgb), 0.22);
}

.calc-area {
    margin-top: 14px;
}

.calc-area label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
}

.calc-area input {
    width: 140px;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 12px;
    font-size: 16px;
    background: rgba(255, 255, 255, 0.04);
    color: var(--text);
}

.calc-area small {
    display: block;
    color: var(--text-muted);
    margin-top: 6px;
    font-size: 12px;
}

.calc-result {
    margin-top: 12px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: 22px;
    padding: 20px;
    box-shadow: 0 20px 35px rgba(var(--primary-rgb), 0.09);
}

.calc-result__hint {
    color: var(--text-muted);
    margin-bottom: 6px;
}

.calc-result__price {
    font-size: 42px;
    line-height: 1.1;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 10px;
}

.calc-result__note {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 14px;
}

.portfolio {
    background: var(--bg-elev);
}

.portfolio__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.portfolio-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    padding: 12px;
    box-shadow: var(--shadow-soft);
}

.portfolio-card h3 {
    margin: 12px 4px 6px;
    font-size: 18px;
}

.portfolio-card p {
    margin: 0 4px 4px;
    font-size: 14px;
    color: var(--text-muted);
}

.before-after {
    position: relative;
    border-radius: 18px;
    overflow: hidden;
    height: 240px;
    background: rgba(255, 255, 255, 0.06);
}

.before-after__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

/* Центральный слайдер: выше блок, но как у остальных — cover без серых полос по бокам */
.before-after--tall {
    height: 300px;
}

.before-after__img--before {
    position: absolute;
    inset: 0;
    clip-path: inset(0 48% 0 0);
    transition: clip-path 0.2s ease;
}

.before-after__divider {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 52%;
    width: 2px;
    background: rgba(255, 255, 255, 0.9);
    z-index: 2;
    transform: translateX(-1px);
    transition: left 0.2s ease;
}

.before-after__divider span {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 34px;
    height: 34px;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 2px solid #fff;
    background: var(--primary);
    box-shadow: 0 8px 20px rgba(var(--primary-rgb), 0.38);
}

.before-after__divider span::before {
    content: '\f337';
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    color: #fff;
    position: absolute;
    top: 7px;
    left: 9px;
    font-size: 14px;
}

.before-after__range {
    position: absolute;
    inset: 0;
    width: 100%;
    opacity: 0;
    cursor: ew-resize;
    z-index: 3;
}

.before-after__tags {
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    display: flex;
    justify-content: space-between;
    z-index: 2;
}

.before-after__tags span {
    font-size: 12px;
    font-weight: 600;
    color: #fff;
    background: rgba(0, 0, 0, 0.42);
    padding: 5px 10px;
    border-radius: 999px;
}

.how {
    background: var(--bg);
}

.how__steps {
    --how-step-gap: 14px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--how-step-gap);
}

/* Пятый шаг — по ширине колонки, по центру нижнего ряда */
.step:last-child:nth-child(odd) {
    grid-column: 1 / -1;
    width: calc((100% - var(--how-step-gap)) / 2);
    max-width: 100%;
    justify-self: center;
}

@media (min-width: 640px) {
    .how__steps {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 16px;
    }

    .step:last-child:nth-child(odd) {
        grid-column: auto;
        width: auto;
        max-width: none;
        justify-self: stretch;
    }
}

@media (min-width: 900px) {
    .how__steps {
        grid-template-columns: repeat(5, minmax(0, 1fr));
        gap: 18px;
    }
}

.step {
    min-width: 0;
    text-align: center;
    padding: 14px 10px;
    border-radius: 18px;
    border: 1px solid var(--border);
    background: var(--surface);
}

.step__number {
    width: 48px;
    height: 48px;
    line-height: 48px;
    border-radius: 50%;
    display: inline-block;
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    font-weight: 700;
    margin-bottom: 10px;
}

.step__title {
    font-size: 18px;
    margin-bottom: 6px;
}

.step__text {
    color: var(--text-muted);
    font-size: 14px;
}

.reviews__slider {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.review-card {
    background: var(--surface);
    border-radius: 20px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-soft);
    padding: 20px;
}

.review-card__header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

.review-card__avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center top;
    flex-shrink: 0;
    border: 2px solid rgba(var(--primary-rgb), 0.18);
}

.review-card__stars {
    color: #ffb900;
    font-size: 15px;
}

.review-card__text {
    font-size: 15px;
    color: var(--text-muted);
}

.faq {
    background: var(--bg-elev);
}

.faq__list {
    max-width: 860px;
    margin: 0 auto;
}

.faq-item {
    border-radius: 16px;
    border: 1px solid var(--border);
    background: var(--surface);
    margin-bottom: 10px;
    overflow: hidden;
}

.faq-question {
    padding: 16px 20px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question::after {
    content: '+';
    color: var(--primary);
    font-size: 24px;
    font-weight: 300;
}

.faq-item.active .faq-question::after {
    content: '−';
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    padding: 0 20px;
    transition: max-height 0.3s ease, padding 0.3s ease;
    color: var(--text-muted);
}

.faq-item.active .faq-answer {
    max-height: 260px;
    padding: 0 20px 14px;
}

.contact {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
}

.contact__wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    align-items: stretch;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: 26px;
    border: 1px solid rgba(255, 255, 255, 0.22);
}

.contact__info {
    display: flex;
    flex-direction: column;
    min-height: 100%;
}

.contact__title {
    font-size: 32px;
    margin-bottom: 10px;
}

.contact__text {
    margin-bottom: 16px;
    color: rgba(255, 255, 255, 0.9);
}

.contact__list {
    list-style: none;
    margin-bottom: 0;
}

.contact__list li {
    display: flex;
    gap: 10px;
    margin-bottom: 8px;
    color: rgba(255, 255, 255, 0.95);
}

.contact__phone-inline {
    color: rgba(255, 255, 255, 0.95);
}

.contact__list a[href^="tel:"],
.contact__list a[x-apple-data-detectors] {
    color: inherit !important;
    text-decoration: none !important;
}

.contact__trust {
    display: grid;
    gap: 8px;
    margin-bottom: 16px;
    font-size: 14px;
}

/* ПК: внизу левой колонки под контактами */
.contact__social-bar {
    display: flex;
    justify-content: flex-start;
    margin-top: auto;
    padding-top: 18px;
    border-top: none;
}

.contact__social {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: flex-start;
    align-items: center;
}

.contact__social a {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    text-decoration: none;
    transition: background 0.2s ease, transform 0.2s ease;
}

.contact__social a:hover {
    background: rgba(255, 255, 255, 0.28);
    transform: translateY(-1px);
}

.contact__social a.contact__social-avito {
    padding: 0;
}

.contact__social a img {
    width: 24px;
    height: 24px;
    object-fit: contain;
    display: block;
}

.contact__form {
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.06);
    color: var(--text);
    padding: 24px;
}

.contact__form input,
.contact__form textarea {
    width: 100%;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid var(--border);
    margin-bottom: 12px;
    font-family: inherit;
    background: rgba(255, 255, 255, 0.11);
    color: rgba(255, 255, 255, 1);
    font-weight: 600;
}

.contact__form input::placeholder,
.contact__form textarea::placeholder {
    color: rgba(238, 242, 255, 0.72);
}

html[data-theme="light"] .contact__form input::placeholder,
html[data-theme="light"] .contact__form textarea::placeholder {
    color: rgba(16, 24, 40, 0.45);
}

/* Autofill (Chrome/Edge) */
.contact__form input:-webkit-autofill,
.contact__form textarea:-webkit-autofill {
    -webkit-text-fill-color: rgba(255, 255, 255, 0.96);
    box-shadow: 0 0 0px 1000px rgba(255, 255, 255, 0.12) inset;
    transition: background-color 5000s ease-in-out 0s;
}

html[data-theme="light"] .contact__form input,
html[data-theme="light"] .contact__form textarea {
    color: rgba(16, 24, 40, 0.92);
    background: rgba(16, 24, 40, 0.04);
}

html[data-theme="light"] .contact__form input:-webkit-autofill,
html[data-theme="light"] .contact__form textarea:-webkit-autofill {
    -webkit-text-fill-color: rgba(16, 24, 40, 0.92);
    box-shadow: 0 0 0px 1000px rgba(16, 24, 40, 0.04) inset;
}

.form-field {
    position: relative;
    margin-bottom: 12px;
}

.form-field input,
.form-field textarea {
    margin-bottom: 0;
}

.field-error {
    position: absolute;
    top: 10px;
    right: 10px;
    max-width: 240px;
    padding: 8px 10px;
    border-radius: 12px;
    border: 1px solid rgba(var(--primary-rgb), 0.35);
    background: rgba(10, 12, 18, 0.88);
    color: rgba(238, 242, 255, 0.94);
    font-size: 12px;
    line-height: 1.2;
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.35);
    opacity: 0;
    transform: translateY(-4px);
    pointer-events: none;
    transition: opacity 0.18s ease, transform 0.18s ease;
}

.field-error::before {
    content: '';
    position: absolute;
    right: 18px;
    top: -6px;
    width: 10px;
    height: 10px;
    background: rgba(10, 12, 18, 0.88);
    border-left: 1px solid rgba(var(--primary-rgb), 0.35);
    border-top: 1px solid rgba(var(--primary-rgb), 0.35);
    transform: rotate(45deg);
}

.form-field.is-invalid .field-error {
    opacity: 1;
    transform: translateY(0);
}

.form-field.is-invalid input,
.form-field.is-invalid textarea {
    border-color: rgba(255, 123, 123, 0.6);
    box-shadow: 0 0 0 3px rgba(255, 123, 123, 0.12);
}

html[data-theme="light"] .field-error {
    background: rgba(255, 255, 255, 0.96);
    color: rgba(16, 24, 40, 0.9);
    box-shadow: 0 14px 30px rgba(20, 37, 63, 0.12);
}

html[data-theme="light"] .field-error::before {
    background: rgba(255, 255, 255, 0.96);
}

.contact__form input:focus,
.contact__form textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.14);
}

.form__note {
    margin-top: 10px;
    color: rgba(255, 255, 255, 0.88);
    text-align: center;
    font-size: 12px;
}

html[data-theme="light"] .form__note {
    color: rgba(16, 24, 40, 0.55);
}

.footer {
    padding: 26px 0;
    background: #0b0d12;
    color: rgba(238, 242, 255, 0.62);
    text-align: center;
}

@media (max-width: 992px) {
    .stats__grid,
    .features__grid,
    .reviews__slider {
        grid-template-columns: repeat(2, 1fr);
    }

    .services__grid,
    .portfolio__grid,
    .calculator__grid,
    .contact__wrapper {
        display: flex;
        flex-direction: column;
    }

    .contact__info {
        display: contents;
    }

    .contact__title {
        order: 1;
    }

    .contact__text {
        order: 2;
    }

    .contact__list {
        order: 3;
    }

    .contact__form {
        order: 4;
    }

    .contact__social-bar {
        order: 5;
        width: 100%;
        margin-top: 6px;
        padding-top: 14px;
        border-top: 1px solid rgba(255, 255, 255, 0.18);
        justify-content: center;
    }

    .contact__social {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    section {
        padding: var(--section-space-mobile) 0;
    }

    .nav {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        padding: 16px 20px;
        z-index: 101;
        background: var(--surface);
        backdrop-filter: blur(14px);
        box-shadow: var(--shadow-soft);
        border-bottom: 1px solid var(--border);
    }

    html[data-theme="light"] .nav {
        background: rgba(255, 255, 255, 0.98);
        box-shadow: 0 14px 28px rgba(0, 0, 0, 0.08);
        border-bottom-color: rgba(16, 24, 40, 0.08);
    }

    .nav.active {
        display: block;
    }

    .nav__list {
        flex-direction: column;
        gap: 12px;
    }

    .burger {
        display: flex;
    }

    .hero {
        padding: 76px 0 44px;
        background-attachment: scroll;
    }

    .hero__title {
        font-size: 34px;
    }

    .hero__subtitle {
        font-size: 16px;
    }

    .hero__btns {
        flex-direction: column;
    }

    .stats__grid,
    .features__grid,
    .portfolio__grid,
    .reviews__slider,
    .calc-services {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 28px;
    }

    .calculator__wrapper {
        padding: 20px;
    }

    .calc-result__price {
        font-size: 34px;
    }

    .before-after--tall {
        height: 260px;
    }
}