:root {
    color-scheme: light dark;
    --bg: #f3f4f5;
    --surface: #ffffff;
    --surface-alt: #e9eaec;
    --surface-strong: #dfe1e4;
    --text: #17171a;
    --muted: #5b5c63;
    --border: #d5d7db;
    --accent: #d71920;
    --accent-hover: #b9151b;
    --accent-text: #b9151b;
    --on-accent: #ffffff;
    --header: rgba(23, 23, 26, 0.96);
    --header-text: #f7f7f8;
    --header-muted: #b8b8bd;
    --focus: #d71920;
    --shadow: 0 24px 70px rgba(31, 32, 36, 0.12);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --container: 1200px;
    --header-height: 72px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #17171a;
        --surface: #212125;
        --surface-alt: #2a2a2f;
        --surface-strong: #33343a;
        --text: #f4f4f5;
        --muted: #b8b8bf;
        --border: #3a3b41;
        --accent: #df2229;
        --accent-hover: #bf171e;
        --accent-text: #ff777b;
        --focus: #ff5b60;
        --shadow: 0 24px 70px rgba(0, 0, 0, 0.3);
    }
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + 16px);
}

body {
    margin: 0;
    min-width: 320px;
    overflow-x: hidden;
    background: var(--bg);
    color: var(--text);
    font-family: "Segoe UI Variable", "Segoe UI", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.no-scroll {
    overflow: hidden;
}

button,
input,
select {
    font: inherit;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

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

a {
    color: inherit;
    text-decoration-thickness: from-font;
    text-underline-offset: 0.2em;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1,
h2,
h3 {
    line-height: 1.1;
    letter-spacing: -0.035em;
    text-wrap: balance;
}

p {
    text-wrap: pretty;
}

[hidden] {
    display: none !important;
}

.container,
.nav-container,
.hero-container {
    width: min(calc(100% - 48px), var(--container));
    margin-inline: auto;
}

.section {
    padding-block: 112px;
    scroll-margin-top: calc(var(--header-height) + 16px);
}

.section-header {
    max-width: 740px;
    margin-bottom: 48px;
}

.section-title {
    margin-bottom: 20px;
    font-size: clamp(2.25rem, 5vw, 4.5rem);
    font-weight: 800;
}

.section-desc {
    max-width: 62ch;
    margin-bottom: 0;
    color: var(--muted);
    font-size: clamp(1rem, 1.6vw, 1.2rem);
    line-height: 1.65;
}

.skip-link {
    position: fixed;
    inset-block-start: 10px;
    inset-inline-start: 10px;
    z-index: 1000;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--text);
    transform: translateY(-160%);
    transition: transform 160ms ease-out;
}

.skip-link:focus {
    transform: translateY(0);
}

:focus-visible {
    outline: 3px solid var(--focus);
    outline-offset: 3px;
}

.btn-primary:focus-visible {
    outline-color: #ffffff;
    box-shadow: 0 0 0 6px var(--focus);
}

.navbar {
    position: sticky;
    inset-block-start: 0;
    z-index: 100;
    min-height: var(--header-height);
    background: var(--header);
    color: var(--header-text);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.nav-container {
    display: flex;
    min-height: var(--header-height);
    align-items: center;
    gap: 28px;
}

.logo {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    gap: 11px;
    color: var(--header-muted);
    text-decoration: none;
}

.logo-svg {
    flex: 0 0 auto;
}

.logo-text-wrapper {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-title {
    color: var(--header-text);
    font-size: 1.04rem;
    font-weight: 850;
    letter-spacing: 0.055em;
    text-transform: uppercase;
}

.logo-subtitle {
    margin-top: 5px;
    color: #f05256;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-inline-start: auto;
}

.nav-link,
.nav-phone {
    position: relative;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    color: var(--header-text);
    font-size: 0.93rem;
    font-weight: 650;
    text-decoration: none;
    white-space: nowrap;
}

.nav-link::after {
    content: "";
    position: absolute;
    inset-inline: 0;
    inset-block-end: 7px;
    height: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 160ms ease-out;
}

.nav-link:hover::after,
.nav-link:focus-visible::after {
    transform: scaleX(1);
}

.nav-contacts {
    display: flex;
    align-items: center;
    gap: 18px;
}

.btn {
    display: inline-flex;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    padding: 13px 22px;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    font-size: 0.96rem;
    font-weight: 750;
    line-height: 1.2;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    transition-property: background-color, border-color, color, transform, box-shadow;
    transition-duration: 160ms;
    transition-timing-function: ease-out;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn:active {
    transform: scale(0.96);
}

.btn-primary {
    background: var(--accent);
    color: var(--on-accent);
    box-shadow: 0 10px 28px rgba(215, 25, 32, 0.22);
}

.btn-primary:hover {
    background: var(--accent-hover);
    box-shadow: 0 14px 34px rgba(215, 25, 32, 0.28);
}

.btn-secondary {
    border-color: rgba(255, 255, 255, 0.32);
    background: rgba(23, 23, 26, 0.68);
    color: #ffffff;
}

.btn-secondary:hover {
    border-color: rgba(255, 255, 255, 0.58);
    background: rgba(23, 23, 26, 0.9);
}

.btn-nav {
    min-height: 44px;
    padding: 10px 16px;
    font-size: 0.9rem;
}

.btn-block {
    width: 100%;
}

.menu-toggle {
    display: none;
    width: 46px;
    height: 46px;
    margin-inline-start: auto;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    background: transparent;
    color: #ffffff;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    margin: 5px auto;
    border-radius: 2px;
    background: currentColor;
    transition-property: transform, opacity;
    transition-duration: 160ms;
    transition-timing-function: ease-out;
}

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

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

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

.mobile-nav {
    position: absolute;
    inset-inline: 0;
    inset-block-start: var(--header-height);
    display: grid;
    gap: 4px;
    padding: 16px 24px 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    background: #17171a;
    box-shadow: 0 24px 40px rgba(0, 0, 0, 0.26);
}

.mobile-link,
.mobile-phone {
    display: flex;
    min-height: 48px;
    align-items: center;
    border-radius: var(--radius-sm);
    color: #f7f7f8;
    font-weight: 700;
    text-decoration: none;
}

.mobile-phone {
    margin-top: 8px;
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    color: #ff777b;
}

.hero-section {
    position: relative;
    min-height: calc(100dvh - var(--header-height));
    display: flex;
    align-items: center;
    isolation: isolate;
    overflow: hidden;
    background: #17171a url("assets/images/hero_bg.png") center / cover no-repeat;
    color: #ffffff;
}

.hero-section::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;
    background:
        linear-gradient(90deg, rgba(16, 16, 18, 0.95) 0%, rgba(16, 16, 18, 0.82) 46%, rgba(16, 16, 18, 0.24) 100%),
        linear-gradient(0deg, rgba(16, 16, 18, 0.38), rgba(16, 16, 18, 0.08));
}

.hero-grid-canvas {
    position: absolute;
    inset: 0;
    z-index: 1;
    width: 100%;
    height: 100%;
    opacity: 0.84;
    pointer-events: none;
}

.grid-motion-toggle {
    position: absolute;
    inset-inline-end: max(24px, calc((100% - var(--container)) / 2));
    inset-block-end: 24px;
    z-index: 3;
    display: inline-grid;
    width: 44px;
    height: 44px;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 50%;
    background: rgba(17, 17, 19, 0.58);
    color: rgba(255, 255, 255, 0.82);
    font: inherit;
    font-size: 0.92rem;
    cursor: pointer;
    backdrop-filter: blur(10px);
    transition-property: background-color, border-color, color, transform;
    transition-duration: 150ms;
    transition-timing-function: ease-out;
}

.grid-motion-toggle:hover {
    border-color: rgba(255, 119, 123, 0.62);
    background: rgba(227, 30, 36, 0.2);
    color: #ffffff;
}

.grid-motion-toggle:active {
    transform: scale(0.96);
}

.hero-container {
    position: relative;
    z-index: 2;
    padding-block: 72px;
}

.hero-content {
    max-width: 760px;
}

.hero-badge {
    margin-bottom: 22px;
    color: #ff777b;
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.hero-title {
    max-width: none;
    margin-bottom: 26px;
    color: #ffffff;
    font-size: clamp(3.3rem, 6.8vw, 6.2rem);
    font-weight: 850;
    letter-spacing: -0.06em;
    line-height: 0.96;
    white-space: nowrap;
}

.hero-subtitle {
    max-width: 54ch;
    margin-bottom: 34px;
    color: #dedee1;
    font-size: clamp(1.05rem, 1.8vw, 1.3rem);
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.proof-strip {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

.proof-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.proof-item {
    position: relative;
    display: flex;
    min-height: 132px;
    flex-direction: column;
    justify-content: center;
    padding: 24px 28px;
}

.proof-item + .proof-item::before {
    content: "";
    position: absolute;
    inset-block: 28px;
    inset-inline-start: 0;
    width: 1px;
    background: var(--border);
}

.proof-item strong {
    font-size: clamp(1.3rem, 2vw, 1.75rem);
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.035em;
}

.proof-item span {
    margin-top: 4px;
    color: var(--muted);
    font-size: 0.92rem;
}

.services-grid {
    display: grid;
    gap: 28px;
}

.service-card {
    display: grid;
    width: 100%;
    min-width: 0;
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: 8px;
    padding: 8px;
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.service-card > * {
    min-width: 0;
}

.service-card-plaster .service-visual {
    order: 2;
}

.service-visual {
    min-height: 440px;
    overflow: hidden;
    border-radius: var(--radius-md);
}

.service-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    outline: 1px solid rgba(0, 0, 0, 0.1);
    outline-offset: -1px;
}

@media (prefers-color-scheme: dark) {
    .service-img,
    .portfolio-img,
    .founder-photo {
        outline-color: rgba(255, 255, 255, 0.1);
    }
}

.service-body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: clamp(28px, 5vw, 64px);
}

.service-heading-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 24px;
}

.service-heading-row h3 {
    max-width: 14ch;
    margin: 0;
    font-size: clamp(1.8rem, 3.4vw, 3.2rem);
    font-weight: 800;
    overflow-wrap: break-word;
}

.service-price {
    flex: 0 0 auto;
    padding-block: 5px;
    border-bottom: 2px solid var(--accent);
    color: var(--text);
    font-size: 0.95rem;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.service-text {
    max-width: 56ch;
    margin-bottom: 24px;
    color: var(--muted);
    line-height: 1.65;
}

.service-bullets,
.calculator-benefits {
    display: grid;
    gap: 12px;
    margin: 0 0 28px;
    padding: 0;
    list-style: none;
}

.service-bullets li,
.calculator-benefits li {
    position: relative;
    padding-inline-start: 24px;
}

.service-bullets li::before,
.calculator-benefits li::before {
    content: "";
    position: absolute;
    inset-block-start: 0.68em;
    inset-inline-start: 0;
    width: 10px;
    height: 2px;
    background: var(--accent);
}

.btn-text {
    width: fit-content;
    margin-top: auto;
    color: var(--text);
    font-weight: 800;
    text-decoration-color: var(--accent);
    text-decoration-thickness: 2px;
    text-underline-offset: 5px;
}

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

.calculator-section {
    background: var(--surface-alt);
}

.calculator-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(460px, 1fr);
    align-items: start;
    gap: clamp(48px, 8vw, 112px);
}

.calculator-copy {
    position: sticky;
    inset-block-start: calc(var(--header-height) + 40px);
}

.calculator-benefits {
    margin-top: 36px;
    color: var(--text);
}

.calculator-card {
    padding: clamp(24px, 4vw, 42px);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.calculator-card > h3 {
    margin-bottom: 22px;
    font-size: 1.5rem;
}

.calculator-tabs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin-bottom: 30px;
    padding: 6px;
    border-radius: var(--radius-md);
    background: var(--surface-alt);
}

.calc-tab,
.filter-btn {
    min-height: 44px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--muted);
    font-weight: 750;
    cursor: pointer;
    transition-property: background-color, color, border-color, transform;
    transition-duration: 150ms;
    transition-timing-function: ease-out;
}

.calc-tab:active,
.filter-btn:active,
.portfolio-item:active,
.lightbox button:active {
    transform: scale(0.96);
}

.calc-tab.active,
.calc-tab[aria-selected="true"] {
    background: var(--text);
    color: var(--bg);
}

.calculator-fields {
    display: grid;
    gap: 26px;
}

.form-block {
    min-width: 0;
    margin: 0;
    padding: 0;
    border: 0;
}

.form-block > label,
.form-block legend,
.label-row label,
.input-label {
    color: var(--text);
    font-size: 0.92rem;
    font-weight: 750;
}

.form-block > label {
    display: block;
    margin-bottom: 9px;
}

.form-block legend {
    margin-bottom: 10px;
}

.label-row,
.range-limits {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.label-row {
    margin-bottom: 12px;
}

.label-row output {
    font-weight: 800;
    font-variant-numeric: tabular-nums;
}

input[type="range"] {
    width: 100%;
    height: 28px;
    margin: 0;
    accent-color: var(--accent);
    cursor: pointer;
}

.range-limits {
    color: var(--muted);
    font-size: 0.8rem;
}

.radio-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
}

.radio-option {
    position: relative;
    cursor: pointer;
}

.radio-option input {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    opacity: 0;
    cursor: pointer;
}

.radio-option span {
    display: flex;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--muted);
    font-size: 0.88rem;
    font-weight: 700;
    text-align: center;
}

.radio-option input:checked + span {
    border-color: var(--accent);
    color: var(--text);
    box-shadow: inset 0 0 0 1px var(--accent);
}

.radio-option input:focus-visible + span {
    outline: 3px solid var(--focus);
    outline-offset: 3px;
}

.select-input,
.text-input {
    width: 100%;
    min-height: 50px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--text);
}

.select-input {
    padding: 0 14px;
}

.calculator-result {
    margin-block: 32px 20px;
    padding-top: 28px;
    border-top: 1px solid var(--border);
}

.calculator-result > span {
    display: block;
    margin-bottom: 8px;
    color: var(--muted);
    font-size: 0.86rem;
}

#calc-price-output {
    display: block;
    margin-bottom: 8px;
    color: var(--text);
    font-size: clamp(2.2rem, 5vw, 4rem);
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.05em;
    line-height: 1;
}

.calculator-result p {
    margin: 0;
    color: var(--muted);
    font-size: 0.88rem;
}

.portfolio-header {
    margin-bottom: 30px;
}

.portfolio-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 28px;
}

.filter-btn {
    padding: 10px 16px;
    border-color: var(--border);
    background: var(--surface);
}

.filter-btn.active,
.filter-btn[aria-pressed="true"] {
    border-color: var(--text);
    background: var(--text);
    color: var(--bg);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 18px;
}

.portfolio-item {
    position: relative;
    grid-column: span 4;
    min-height: 320px;
    padding: 0;
    overflow: hidden;
    border: 0;
    border-radius: var(--radius-md);
    background: var(--surface-strong);
    color: #ffffff;
    text-align: start;
    cursor: zoom-in;
    box-shadow: none;
    transition-property: transform, box-shadow;
    transition-duration: 180ms;
    transition-timing-function: ease-out;
}

.portfolio-item:nth-child(1) {
    grid-column: span 7;
    min-height: 430px;
}

.portfolio-item:nth-child(2) {
    grid-column: span 5;
    min-height: 430px;
}

.portfolio-item:nth-child(6) {
    grid-column: span 8;
}

.portfolio-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.portfolio-img {
    width: 100%;
    height: 100%;
    min-height: inherit;
    object-fit: cover;
    outline: 1px solid rgba(0, 0, 0, 0.1);
    outline-offset: -1px;
    transition: transform 240ms ease-out;
}

.portfolio-item:hover .portfolio-img {
    transform: scale(1.025);
}

.portfolio-item::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(0deg, rgba(12, 12, 14, 0.88), rgba(12, 12, 14, 0.02) 68%);
    pointer-events: none;
}

.portfolio-info {
    position: absolute;
    inset-inline: 24px;
    inset-block-end: 22px;
    z-index: 1;
    display: grid;
    gap: 3px;
}

.portfolio-info span {
    color: #ff868a;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.portfolio-info strong {
    font-size: clamp(1rem, 1.7vw, 1.22rem);
}

.about-section {
    background: var(--surface-alt);
}

.about-layout {
    display: grid;
    grid-template-columns: minmax(240px, 300px) minmax(0, 1fr);
    align-items: start;
    gap: clamp(48px, 6vw, 84px);
}

.founder-card {
    position: relative;
    width: min(100%, 300px);
    justify-self: start;
    overflow: hidden;
    border-radius: var(--radius-lg);
    background: var(--surface-strong);
    box-shadow: var(--shadow);
}

.founder-photo {
    width: 100%;
    height: 375px;
    object-fit: cover;
    object-position: center 48%;
    outline: 1px solid rgba(0, 0, 0, 0.1);
    outline-offset: -1px;
}

.founder-caption {
    display: grid;
    gap: 2px;
    padding: 18px 22px;
    background: var(--surface);
}

.founder-caption strong {
    font-size: 1.08rem;
}

.founder-caption span {
    color: var(--muted);
    font-size: 0.9rem;
}

.about-quote {
    max-width: 58ch;
    margin-bottom: 42px;
    color: var(--muted);
    font-size: clamp(1.08rem, 2vw, 1.35rem);
    line-height: 1.6;
}

.advantage-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
    row-gap: 28px;
}

.advantage-item {
    padding-top: 18px;
    border-top: 2px solid var(--accent);
}

.advantage-item h3 {
    margin-bottom: 9px;
    font-size: 1.12rem;
    letter-spacing: -0.02em;
}

.advantage-item p {
    margin: 0;
    color: var(--muted);
    font-size: 0.94rem;
    line-height: 1.6;
}

.contacts-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
    gap: clamp(48px, 8vw, 112px);
    align-items: start;
}

.contact-details {
    display: grid;
    max-width: 580px;
    margin-top: 42px;
}

.contact-detail,
.contact-link {
    display: grid;
    gap: 4px;
    padding-block: 20px;
    border-top: 1px solid var(--border);
    text-decoration: none;
}

.contact-detail span,
.contact-link span {
    color: var(--muted);
    font-size: 0.82rem;
}

.contact-detail strong,
.contact-link strong {
    font-size: 1.08rem;
}

.contact-link:hover strong {
    color: var(--accent-text);
}

.contact-form-wrapper {
    padding: clamp(24px, 4vw, 42px);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.contact-form h3 {
    margin-bottom: 10px;
    font-size: 1.6rem;
}

.contact-form > p {
    color: var(--muted);
}

.form-group-text {
    display: grid;
    gap: 8px;
    margin-top: 20px;
}

.text-input {
    padding: 12px 14px;
    font-size: 1rem;
    transition-property: border-color, box-shadow, background-color;
    transition-duration: 150ms;
    transition-timing-function: ease-out;
}

.text-input::placeholder {
    color: #74767d;
    opacity: 1;
}

@media (prefers-color-scheme: dark) {
    .text-input::placeholder {
        color: #a8a9b0;
    }
}

.text-input:hover,
.select-input:hover {
    border-color: var(--muted);
}

.text-input:focus,
.select-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(215, 25, 32, 0.16);
}

.text-input[aria-invalid="true"] {
    border-color: var(--accent);
}

.form-error {
    min-height: 1.2em;
    color: #b31319;
    font-size: 0.86rem;
    font-weight: 650;
}

@media (prefers-color-scheme: dark) {
    .form-error {
        color: #ff8c90;
    }
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 11px;
    color: var(--muted);
    font-size: 0.88rem;
    line-height: 1.45;
    cursor: pointer;
}

.checkbox-label input {
    flex: 0 0 auto;
    width: 20px;
    height: 20px;
    margin: 1px 0 0;
    accent-color: var(--accent);
}

.consent-docs {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 9px;
    margin: 8px 0 0 31px;
    color: var(--muted);
    font-size: 0.82rem;
    line-height: 1.45;
}

.consent-docs a {
    color: var(--text);
    text-decoration-color: var(--accent);
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

.consent-docs a:hover {
    color: var(--accent-text);
}

.contact-form .btn-block {
    margin-top: 16px;
}

.form-fallback {
    margin: 14px 0 0;
    font-size: 0.88rem;
    text-align: center;
}

.form-fallback a {
    color: var(--text);
    font-weight: 750;
}

.footer {
    padding-block: 64px 28px;
    background: #17171a;
    color: #f7f7f8;
}

.footer-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(160px, 0.65fr) minmax(220px, 0.85fr);
    gap: 48px;
}

.footer-brand p {
    max-width: 48ch;
    margin: 22px 0 0;
    color: #b8b8bd;
}

.footer-nav,
.footer-contacts {
    display: grid;
    align-content: start;
    gap: 12px;
}

.footer-nav a,
.footer-contacts a {
    width: fit-content;
    color: #f7f7f8;
    font-weight: 700;
    text-decoration: none;
}

.footer-nav a:hover,
.footer-contacts a:hover {
    color: #ff777b;
}

.footer-contacts span {
    color: #b8b8bd;
}

.footer-bottom {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
    margin-top: 52px;
    padding-top: 24px;
    border-top: 1px solid #34343a;
    color: #9b9ba1;
    font-size: 0.84rem;
}

.footer-legal {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 10px 22px;
}

.footer-legal a {
    color: #c7c7cc;
    text-decoration-color: rgba(255, 119, 123, 0.72);
    text-underline-offset: 3px;
}

.footer-legal a:hover {
    color: #ffffff;
}

.legal-page {
    min-height: 100dvh;
    background: var(--bg);
    color: var(--text);
}

.legal-navbar {
    position: sticky;
    inset-block-start: 0;
    z-index: 20;
    background: rgba(23, 23, 26, 0.96);
    color: #f7f7f8;
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(14px);
}

.legal-nav-inner {
    min-height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.legal-back-link {
    min-height: 44px;
    padding-inline: 20px;
    color: #ffffff;
}

.legal-main {
    padding-block: clamp(52px, 7vw, 96px);
}

.legal-document {
    width: min(calc(100% - 48px), 900px);
}

.legal-title-block {
    margin-bottom: clamp(48px, 7vw, 76px);
}

.legal-kicker {
    margin-bottom: 16px;
    color: var(--accent-text);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.legal-title-block h1 {
    max-width: 15ch;
    margin-bottom: 20px;
    font-size: clamp(2.5rem, 6vw, 5.25rem);
    letter-spacing: -0.055em;
    line-height: 0.98;
}

.legal-updated {
    margin: 0;
    color: var(--muted);
}

.legal-document > section {
    padding-block: 30px;
    border-top: 1px solid var(--border);
}

.legal-document h2 {
    max-width: 28ch;
    margin-bottom: 18px;
    font-size: clamp(1.35rem, 2.5vw, 1.85rem);
    letter-spacing: -0.025em;
}

.legal-document h3 {
    margin-bottom: 8px;
    font-size: 1.05rem;
}

.legal-document p {
    max-width: 78ch;
    color: var(--muted);
    line-height: 1.75;
}

.legal-document p + p {
    margin-top: 14px;
}

.legal-document a {
    color: var(--text);
    text-decoration-color: var(--accent);
    text-underline-offset: 3px;
}

.legal-details {
    display: grid;
    gap: 0;
    max-width: 760px;
}

.legal-details div {
    display: grid;
    grid-template-columns: minmax(130px, 0.32fr) minmax(0, 1fr);
    gap: 24px;
    padding-block: 13px;
    border-bottom: 1px solid var(--border);
}

.legal-details dt {
    color: var(--muted);
}

.legal-details dd {
    margin: 0;
    font-weight: 700;
}

.legal-purpose-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
    margin-top: 26px;
}

.legal-purpose-list article {
    padding-top: 18px;
    border-top: 2px solid var(--accent);
}

.legal-purpose-list p {
    font-size: 0.94rem;
}

.legal-document-short > p:first-of-type {
    color: var(--text);
    font-size: clamp(1.05rem, 2vw, 1.22rem);
}

.legal-document-links {
    display: flex;
    flex-wrap: wrap;
    gap: 14px 26px;
    margin-top: 42px;
    padding-top: 28px;
    border-top: 1px solid var(--border);
    font-weight: 750;
}

.legal-footer {
    padding-block: 28px;
    background: #17171a;
    color: #b8b8bd;
}

.legal-footer p {
    margin: 0;
    font-size: 0.86rem;
}

.lightbox {
    position: fixed;
    inset: 0;
    z-index: 500;
    display: grid;
    place-items: center;
    padding: 24px;
}

.lightbox-overlay {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
    background: rgba(9, 9, 11, 0.92);
    cursor: zoom-out;
}

.lightbox-content {
    position: relative;
    z-index: 1;
    width: min(100%, 1040px);
    max-height: calc(100dvh - 48px);
    display: grid;
    grid-template-columns: 1fr auto;
    overflow: hidden;
    border-radius: var(--radius-lg);
    background: #202024;
    color: #ffffff;
    box-shadow: 0 32px 100px rgba(0, 0, 0, 0.52);
}

.lightbox-content img {
    grid-column: 1 / -1;
    width: 100%;
    max-height: calc(100dvh - 150px);
    object-fit: contain;
    background: #111113;
}

.lightbox-caption {
    align-self: center;
    margin: 0;
    padding: 18px 22px;
    font-weight: 750;
}

.lightbox-close,
.lightbox-nav {
    display: inline-grid;
    width: 44px;
    height: 44px;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: var(--radius-sm);
    background: rgba(23, 23, 26, 0.82);
    color: #ffffff;
    cursor: pointer;
    transition-property: background-color, transform;
    transition-duration: 150ms;
    transition-timing-function: ease-out;
}

.lightbox-close:hover,
.lightbox-nav:hover {
    background: var(--accent);
}

.lightbox-close {
    position: absolute;
    inset-block-start: 14px;
    inset-inline-end: 14px;
    z-index: 2;
    font-size: 2rem;
    line-height: 1;
}

.lightbox-actions {
    display: flex;
    gap: 8px;
    padding: 12px 16px;
}

.lightbox-nav {
    font-size: 1.8rem;
}

@media (max-width: 1120px) {
    .nav-menu {
        display: none;
    }

    .nav-contacts {
        margin-inline-start: auto;
    }

    .menu-toggle {
        display: block;
        margin-inline-start: 0;
    }
}

@media (max-width: 900px) {
    .section {
        padding-block: 84px;
    }

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

    .proof-item:nth-child(3)::before {
        display: none;
    }

    .proof-item:nth-child(n + 3) {
        border-top: 1px solid var(--border);
    }

    .service-card,
    .calculator-layout,
    .contacts-grid {
        grid-template-columns: 1fr;
    }

    .service-card-plaster .service-visual {
        order: 0;
    }

    .service-visual {
        min-height: auto;
        aspect-ratio: 16 / 9;
    }

    .calculator-layout,
    .contacts-grid {
        gap: 48px;
    }

    .about-layout {
        grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
        gap: 48px;
    }

    .calculator-copy {
        position: static;
    }

    .portfolio-item,
    .portfolio-item:nth-child(1),
    .portfolio-item:nth-child(2),
    .portfolio-item:nth-child(6) {
        grid-column: span 6;
        min-height: 320px;
    }

    .founder-card {
        max-width: 280px;
    }

    .founder-photo {
        height: 350px;
    }

    .legal-purpose-list {
        grid-template-columns: 1fr;
    }

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

    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 640px) {
    :root {
        --header-height: 64px;
    }

    .container,
    .nav-container,
    .hero-container {
        width: min(calc(100% - 32px), var(--container));
    }

    .section {
        padding-block: 68px;
    }

    .section-header {
        margin-bottom: 32px;
    }

    .section-title {
        margin-bottom: 16px;
        font-size: clamp(2rem, 11vw, 3.15rem);
    }

    .nav-container {
        gap: 14px;
    }

    .logo-svg {
        width: 39px;
        height: 33px;
    }

    .logo-title {
        font-size: 0.9rem;
    }

    .logo-subtitle {
        font-size: 0.62rem;
    }

    .nav-contacts {
        display: none;
    }

    .menu-toggle {
        margin-inline-start: auto;
    }

    .mobile-nav {
        inset-block-start: var(--header-height);
    }

    .hero-section {
        min-height: calc(100dvh - var(--header-height));
        background-position: 62% center;
    }

    .hero-section::before {
        background: linear-gradient(90deg, rgba(16, 16, 18, 0.94), rgba(16, 16, 18, 0.64));
    }

    .grid-motion-toggle {
        inset-inline-end: 16px;
        inset-block-end: 16px;
    }

    .hero-container {
        padding-block: 52px;
    }

    .hero-badge {
        margin-bottom: 18px;
        font-size: 0.72rem;
    }

    .hero-title {
        margin-bottom: 22px;
        font-size: clamp(2.45rem, 12.4vw, 3.6rem);
    }

    .hero-subtitle {
        margin-bottom: 28px;
        font-size: 1rem;
        line-height: 1.55;
    }

    .hero-actions {
        display: grid;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .proof-item {
        min-height: 108px;
        padding: 20px 16px;
    }

    .proof-item + .proof-item::before {
        inset-block: 20px;
    }

    .proof-item strong {
        font-size: 1.15rem;
    }

    .proof-item span {
        font-size: 0.8rem;
    }

    .service-card {
        gap: 0;
        padding: 6px;
    }

    .about-layout {
        grid-template-columns: 1fr;
        gap: 38px;
    }

    .founder-card {
        width: min(72vw, 250px);
        justify-self: start;
    }

    .founder-photo {
        height: 312px;
    }

    .founder-caption {
        padding: 14px 16px;
    }

    .footer-bottom {
        display: grid;
    }

    .footer-legal {
        display: grid;
        justify-content: start;
    }

    .legal-document {
        width: min(calc(100% - 32px), 900px);
    }

    .legal-nav-inner {
        gap: 14px;
    }

    .legal-back-link {
        min-height: 40px;
        padding-inline: 14px;
        font-size: 0.82rem;
    }

    .legal-title-block h1 {
        font-size: clamp(2.15rem, 11vw, 3.25rem);
    }

    .legal-details div {
        grid-template-columns: 1fr;
        gap: 4px;
    }

    .legal-document-links {
        display: grid;
    }

    .service-visual {
        aspect-ratio: 4 / 3;
    }

    .service-body {
        padding: 28px 18px 24px;
    }

    .service-heading-row {
        display: grid;
        gap: 12px;
    }

    .service-heading-row h3 {
        font-size: clamp(1.6rem, 8vw, 2rem);
    }

    .service-price {
        width: fit-content;
    }

    .calculator-card,
    .contact-form-wrapper {
        padding: 24px 18px;
    }

    .calculator-tabs,
    .radio-grid {
        grid-template-columns: 1fr;
    }

    .calc-tab,
    .radio-option span {
        justify-content: flex-start;
        padding-inline: 14px;
    }

    #calc-price-output {
        font-size: 2.6rem;
    }

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

    .portfolio-item,
    .portfolio-item:nth-child(1),
    .portfolio-item:nth-child(2),
    .portfolio-item:nth-child(6) {
        grid-column: auto;
        min-height: 300px;
    }

    .advantage-list {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 34px;
    }

    .footer-brand {
        grid-column: auto;
    }

    .lightbox {
        padding: 12px;
    }

    .lightbox-content {
        max-height: calc(100dvh - 24px);
        grid-template-columns: 1fr;
    }

    .lightbox-content img {
        max-height: calc(100dvh - 150px);
    }

    .lightbox-caption {
        padding: 14px 16px 4px;
    }

    .lightbox-actions {
        justify-content: space-between;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }

    .grid-motion-toggle {
        display: none;
    }
}

@media (forced-colors: active) {
    .nav-link::after,
    .service-bullets li::before,
    .calculator-benefits li::before {
        background: CanvasText;
    }

    :focus-visible {
        outline-color: Highlight;
    }
}