/* ==========================================================================
   Design tokens
   ========================================================================== */
:root {
    --color-ink: #0B0B0C;
    --color-ink-soft: #1A1A1C;
    --color-paper: #F7F7F4;
    --color-paper-soft: #ECECE7;
    --color-accent: #D6FF3B;
    --color-accent-dark: #C2EA28;
    --color-accent-ink: #0B0B0C;
    --color-line: #E3E3DE;
    --color-line-on-dark: rgba(255, 255, 255, 0.14);
    --color-muted: #5C5C58;
    --color-muted-on-dark: rgba(255, 255, 255, 0.64);
    --color-white: #FFFFFF;

    --font-display: "Archivo Black", "Arial Black", "Helvetica Neue", sans-serif;
    --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;

    --container-max: 1280px;
    --container-pad: clamp(20px, 5vw, 64px);
    --section-pad-y: clamp(64px, 10vw, 160px);
    --section-pad-y-tight: clamp(48px, 6vw, 96px);

    --radius-s: 6px;
    --radius-m: 14px;
    --radius-l: 22px;
    --radius-pill: 999px;

    --shadow-rest: 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-hover: 0 16px 32px rgba(0, 0, 0, 0.14);

    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --duration: 500ms;
}

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

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-offset, 88px);
}

body {
    margin: 0;
    background: var(--color-paper);
    color: var(--color-ink);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    display: block;
    -webkit-user-drag: none;
    user-select: none;
    -webkit-user-select: none;
}

.img-fallback {
    width: 100%;
    aspect-ratio: 2 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 16px;
    background: var(--color-paper-soft);
    color: var(--color-muted);
    font-size: 0.8125rem;
    border: 1px dashed var(--color-line);
}

ul,
ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

h1,
h2,
h3,
h4,
p,
dl,
dd,
figure {
    margin: 0;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font: inherit;
    color: inherit;
    background: none;
    border: 0;
    cursor: pointer;
    padding: 0;
}

input,
select,
textarea {
    font: inherit;
    color: inherit;
}

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

.skip-link {
    position: absolute;
    top: -48px;
    left: 12px;
    z-index: 1000;
    background: var(--color-ink);
    color: var(--color-paper);
    padding: 12px 20px;
    border-radius: var(--radius-s);
    transition: top 200ms var(--ease-out);
}

.skip-link:focus {
    top: 12px;
}

:focus-visible {
    outline: 2px solid var(--color-ink);
    outline-offset: 2px;
}

/* На тёмных секциях чёрный outline невидим — используем светлый. */
.site-header :focus-visible,
.hero :focus-visible,
.final-cta :focus-visible,
.site-footer :focus-visible {
    outline-color: var(--color-paper);
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1,
h2 {
    font-family: var(--font-display);
    line-height: 1.08;
    letter-spacing: -0.01em;
    text-transform: uppercase;
    color: var(--color-ink);
    overflow-wrap: break-word;
}

h3 {
    font-family: var(--font-body);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: 0.01em;
    text-transform: uppercase;
    color: var(--color-ink);
    font-size: clamp(1.0625rem, 0.6vw + 0.9rem, 1.25rem);
}

h1 {
    font-size: clamp(2.5rem, 4.5vw + 1rem, 4.75rem);
}

h2 {
    font-size: clamp(2rem, 2.6vw + 1rem, 3.25rem);
}

.eyebrow {
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-accent);
}

.eyebrow--rule {
    position: relative;
    padding-top: 20px;
}

.eyebrow--rule::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 32px;
    height: 2px;
    background: var(--color-accent);
}

.container {
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-pad);
}

.section {
    padding-block: var(--section-pad-y);
}

/*
 * Очень лёгкая сиреневая дымка под светлой частью сайта.
 * Она находится за секциями, поэтому не мешает тексту и карточкам,
 * но просматривается в свободных областях между контентом.
 */
main {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    background: var(--color-paper);
}

main::before {
    content: "";
    position: absolute;
    z-index: 0;
    inset: 0;
    pointer-events: none;
    opacity: 0.86;
    background:
        radial-gradient(ellipse 42% 9% at 7% 18%, rgba(153, 101, 202, 0.13) 0%, rgba(153, 101, 202, 0.055) 38%, transparent 74%),
        radial-gradient(ellipse 38% 11% at 90% 26%, rgba(126, 79, 190, 0.12) 0%, rgba(126, 79, 190, 0.045) 42%, transparent 76%),
        radial-gradient(ellipse 50% 10% at 35% 44%, rgba(174, 121, 216, 0.10) 0%, rgba(174, 121, 216, 0.04) 42%, transparent 76%),
        radial-gradient(ellipse 42% 12% at 82% 58%, rgba(145, 91, 205, 0.105) 0%, rgba(145, 91, 205, 0.04) 40%, transparent 74%),
        radial-gradient(ellipse 48% 11% at 18% 72%, rgba(157, 102, 209, 0.09) 0%, rgba(157, 102, 209, 0.035) 44%, transparent 78%),
        radial-gradient(ellipse 44% 10% at 72% 88%, rgba(132, 82, 196, 0.09) 0%, rgba(132, 82, 196, 0.032) 44%, transparent 78%);
    filter: blur(34px);
    transform: scale(1.06);
}

main > section {
    position: relative;
    z-index: 1;
}

.section--soft {
    background: rgba(236, 236, 231, 0.70);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}

.section-heading {
    max-width: 640px;
    margin-bottom: clamp(40px, 5vw, 72px);
}

.section-heading h2 {
    margin-bottom: 16px;
}

.section-heading p {
    color: var(--color-muted);
    font-size: 1.0625rem;
}

/* ==========================================================================
   Reveal animation
   ========================================================================== */
/* Скрываем элемент только после того, как JS подтвердил, что готов его снова показать —
   без JS (или пока скрипт не выполнился) контент остаётся видимым по умолчанию. */
[data-reveal].reveal-init {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity var(--duration) var(--ease-out), transform var(--duration) var(--ease-out);
}

[data-reveal].reveal-init.is-visible {
    opacity: 1;
    transform: none;
}

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

    [data-reveal].reveal-init {
        opacity: 1;
        transform: none;
        transition: none;
    }

    * {
        animation-duration: 0.001ms !important;
        transition-duration: 0.001ms !important;
    }
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 15px 30px;
    border-radius: var(--radius-pill);
    font-weight: 600;
    font-size: 0.9375rem;
    border: 1px solid transparent;
    transition: transform 200ms var(--ease-out), background 200ms var(--ease-out), box-shadow 200ms var(--ease-out), border-color 200ms var(--ease-out), color 200ms var(--ease-out);
    white-space: nowrap;
}

.button svg {
    width: 16px;
    height: 16px;
}

.button--primary {
    background: var(--color-accent);
    color: var(--color-accent-ink);
    box-shadow: var(--shadow-rest);
}

.button--primary:hover {
    background: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.button--ghost {
    background: transparent;
    color: var(--color-ink);
    border-color: var(--color-line);
}

.button--ghost:hover {
    background: var(--color-ink);
    color: var(--color-paper);
    border-color: var(--color-ink);
    transform: translateY(-2px);
}

/* Тёмные секции (header/hero/final-cta/footer) используют светлый вариант ghost-кнопки. */
.site-header .button--ghost,
.hero .button--ghost,
.final-cta .button--ghost,
.site-footer .button--ghost {
    border-color: var(--color-line-on-dark);
    color: var(--color-paper);
}

.site-header .button--ghost:hover,
.hero .button--ghost:hover,
.final-cta .button--ghost:hover,
.site-footer .button--ghost:hover {
    background: var(--color-paper);
    color: var(--color-ink);
    border-color: var(--color-paper);
    transform: translateY(-2px);
}

.button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* ==========================================================================
   Icon badge
   ========================================================================== */
.icon-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    border-radius: var(--radius-m);
    background: var(--color-ink);
    color: var(--color-accent);
}

.icon-badge svg {
    width: 20px;
    height: 20px;
}

.icon-badge--on-dark {
    background: var(--color-accent);
    color: var(--color-ink);
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(11, 5, 24, 0.94);
    color: var(--color-paper);
    border-bottom: 1px solid rgba(190, 120, 255, 0.10);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transition: border-color 200ms var(--ease-out), background 200ms var(--ease-out), box-shadow 200ms var(--ease-out);
}

.site-header.is-scrolled {
    background: rgba(11, 5, 24, 0.985);
    border-bottom-color: rgba(206, 150, 255, 0.22);
    box-shadow: 0 12px 36px rgba(6, 0, 16, 0.28);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-block: 20px;
}

.site-header__brand {
    font-family: var(--font-display);
    font-size: 1.375rem;
    font-weight: 600;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: clamp(20px, 3vw, 40px);
}

.site-nav__list {
    display: flex;
    align-items: center;
    gap: clamp(16px, 2.4vw, 32px);
    font-size: 0.9375rem;
}

.site-nav__list a {
    position: relative;
    padding-block: 4px;
}

.site-nav__list a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 100%;
    bottom: 0;
    height: 1px;
    background: var(--color-accent);
    transition: right 200ms var(--ease-out);
}

.site-nav__list a:hover::after {
    right: 0;
}

.site-header__toggle {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
}

.site-header__toggle svg {
    width: 24px;
    height: 24px;
}

.site-header__toggle-icon--close {
    display: none;
}

.site-header__toggle.is-open .site-header__toggle-icon--menu {
    display: none;
}

.site-header__toggle.is-open .site-header__toggle-icon--close {
    display: inline-flex;
}

@media (max-width: 899px) {
    .site-header__toggle {
        display: inline-flex;
        position: relative;
        z-index: 10;
    }

    .site-nav {
        position: fixed;
        inset: 0 0 0 30%;
        flex-direction: column;
        align-items: stretch;
        justify-content: center;
        gap: 32px;
        background: rgba(11, 5, 24, 0.99);
        color: var(--color-paper);
        padding: 32px;
        transform: translateX(100%);
        transition: transform 320ms var(--ease-out);
    }

    .site-nav.is-open {
        transform: translateX(0);
    }

    .site-nav__list {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
        font-size: 1.5rem;
        font-family: var(--font-display);
    }

    .site-nav__cta {
        align-self: flex-start;
    }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    background:
        linear-gradient(90deg, rgba(3, 2, 10, 0.94) 0%, rgba(5, 3, 14, 0.88) 26%, rgba(8, 4, 19, 0.58) 52%, rgba(10, 5, 22, 0.34) 72%, rgba(10, 5, 22, 0.46) 100%),
        linear-gradient(180deg, rgba(4, 2, 10, 0.18) 0%, rgba(5, 2, 12, 0.14) 45%, rgba(6, 2, 14, 0.54) 100%),
        url("/assets/images/hero-cityscape.webp") center center / cover no-repeat,
        #06030d;
    color: var(--color-paper);
    padding-block: clamp(64px, 9vw, 128px) clamp(56px, 8vw, 112px);
}

.hero::before {
    content: "";
    position: absolute;
    z-index: 0;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(circle at 50% 68%, rgba(208, 114, 255, 0.24), transparent 14%),
        radial-gradient(circle at 68% 34%, rgba(168, 77, 255, 0.18), transparent 22%),
        radial-gradient(circle at 84% 14%, rgba(113, 51, 212, 0.16), transparent 26%);
    mix-blend-mode: screen;
}

.hero__inner {
    position: relative;
    z-index: 1;
}

.hero h1 {
    color: var(--color-paper);
    font-size: clamp(1.65rem, 1.9vw + 1.05rem, 2.7rem);
    margin-top: 20px;
}

.hero h1 span {
    display: block;
    padding-block: 0.06em;
}

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

.hero__inner {
    display: grid;
    grid-template-columns: 1.7fr 1fr;
    align-items: end;
    gap: clamp(28px, 4vw, 56px);
}

.hero__text {
    max-width: 860px;
    padding-bottom: 12px;
}

.hero__visual {
    justify-self: center;
    width: 100%;
}

.hero__visual img {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 24px 48px rgba(0, 0, 0, 0.55));
}

@media (max-width: 1099px) {
    .hero__inner {
        grid-template-columns: 1fr;
    }

    .hero__text {
        max-width: none;
    }

    .hero__visual {
        order: -1;
        max-width: 420px;
        margin-inline: auto;
    }
}

.hero__description {
    margin-top: 24px;
    max-width: 52ch;
    font-size: clamp(1.0625rem, 0.6vw + 0.9rem, 1.25rem);
    color: var(--color-muted-on-dark);
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 36px;
}

.hero__highlights {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--color-line-on-dark);
    border: 1px solid var(--color-line-on-dark);
    border-radius: var(--radius-m);
    overflow: hidden;
    margin-top: clamp(48px, 6vw, 72px);
}

.hero__highlight {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 22px;
    background: rgba(12, 7, 25, 0.78);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.hero__highlight-title {
    color: var(--color-paper);
    font-weight: 600;
    font-size: 0.9375rem;
}

.hero__highlight-text {
    margin-top: 4px;
    font-size: 0.8125rem;
    color: var(--color-muted-on-dark);
}

@media (max-width: 767px) {
    .hero__highlights {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   Trust bar
   ========================================================================== */
.trust {
    padding-block: clamp(32px, 4vw, 56px);
    border-block: 1px solid var(--color-line);
}

.trust__inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.trust__title {
    font-family: var(--font-display);
    font-size: 1.125rem;
    max-width: 32ch;
}

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

.trust__list li {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border: 1px solid var(--color-line);
    border-radius: 999px;
    font-size: 0.875rem;
}

.trust__list svg {
    width: 16px;
    height: 16px;
    color: var(--color-ink);
    flex-shrink: 0;
}

/* ==========================================================================
   Services
   ========================================================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: clamp(16px, 2vw, 24px);
}

.service-card {
    padding: clamp(26px, 3vw, 34px);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-m);
    background: var(--color-paper);
    box-shadow: var(--shadow-rest);
    transition: transform 220ms var(--ease-out), box-shadow 220ms var(--ease-out), border-color 220ms var(--ease-out);
}

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

.service-card__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 22px;
}

.service-card__number {
    font-family: var(--font-display);
    color: var(--color-muted);
    font-size: 0.9375rem;
}

.service-card h3 {
    margin-bottom: 10px;
}

.service-card p {
    color: var(--color-muted);
    font-size: 0.9375rem;
}

@media (max-width: 899px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 599px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 900px) and (max-width: 1099px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ==========================================================================
   Portfolio
   ========================================================================== */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(20px, 3vw, 32px);
}

.portfolio-card {
    background: var(--color-paper);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-m);
    overflow: hidden;
    transition: transform 250ms var(--ease-out), box-shadow 250ms var(--ease-out);
}

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

.portfolio-card__thumb {
    position: relative;
    width: 100%;
    padding-top: 50%;
    overflow: hidden;
}

.portfolio-card__thumb img,
.portfolio-card__placeholder {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.portfolio-card__thumb img {
    object-fit: cover;
    object-position: top;
}

.portfolio-card__placeholder {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 24px;
    background: linear-gradient(155deg, var(--color-ink) 0%, #232324 100%);
    color: var(--color-paper);
}

.portfolio-card__placeholder-number {
    font-family: var(--font-display);
    font-size: 2rem;
    opacity: 0.5;
}

.portfolio-card__placeholder-category {
    font-size: 0.8125rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-paper-soft);
}

.portfolio-card__body {
    padding: clamp(20px, 2.4vw, 28px);
}

.portfolio-card__tags {
    display: flex;
    gap: 8px;
    margin-bottom: 14px;
}

.tag {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--color-accent);
    background: var(--color-ink);
    border-radius: var(--radius-pill);
    padding: 4px 12px;
}

.portfolio-card__body h3 {
    margin-bottom: 8px;
}

.portfolio-card__body p {
    color: var(--color-muted);
    font-size: 0.9375rem;
}

@media (max-width: 1099px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 599px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   Benefits
   ========================================================================== */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: clamp(28px, 3vw, 48px) clamp(32px, 4vw, 64px);
}

.benefit-card {
    padding-top: 24px;
    border-top: 1px solid var(--color-line);
}

.benefit-card h3 {
    margin-bottom: 10px;
}

.benefit-card p {
    color: var(--color-muted);
    font-size: 0.9375rem;
}

@media (max-width: 767px) {
    .benefits-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   Process
   ========================================================================== */
.process-list {
    max-width: 760px;
}

.process-list__item {
    display: grid;
    grid-template-columns: 64px 1fr;
    gap: 24px;
    padding-block: 28px;
    border-top: 1px solid var(--color-line);
}

.process-list__item:last-child {
    border-bottom: 1px solid var(--color-line);
}

.process-list__number {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-ink);
}

.process-list__item h3 {
    margin-bottom: 8px;
}

.process-list__item p {
    color: var(--color-muted);
    font-size: 0.9375rem;
}

/* ==========================================================================
   Pricing
   ========================================================================== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(20px, 2.4vw, 28px);
}

.pricing-card {
    display: flex;
    flex-direction: column;
    padding: clamp(28px, 3vw, 36px);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-m);
    background: var(--color-paper);
}

.pricing-card--highlighted {
    background: var(--color-ink);
    color: var(--color-paper);
    border-color: var(--color-ink);
    position: relative;
    box-shadow: var(--shadow-hover);
}

.pricing-card__badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-accent);
    color: var(--color-accent-ink);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 6px 18px;
    border-radius: var(--radius-pill);
    white-space: nowrap;
}

.pricing-card__description {
    margin-top: 8px;
    color: var(--color-muted);
    font-size: 0.9375rem;
    min-height: 44px;
}

.pricing-card--highlighted .pricing-card__description {
    color: var(--color-muted-on-dark);
}

.pricing-card__price {
    margin-top: 20px;
    font-family: var(--font-display);
    font-size: 1.375rem;
}

.pricing-card__features {
    margin-top: 24px;
    margin-bottom: 32px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex-grow: 1;
}

.pricing-card__features li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.9375rem;
}

.pricing-card__features svg {
    width: 16px;
    height: 16px;
    margin-top: 3px;
    color: var(--color-ink);
    flex-shrink: 0;
}

.pricing-card--highlighted .pricing-card__features svg {
    color: var(--color-accent);
}

.pricing-card__cta {
    width: 100%;
}

.pricing-note {
    margin-top: 32px;
    font-size: 0.875rem;
    color: var(--color-muted);
}

@media (max-width: 899px) {
    .pricing-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   Form
   ========================================================================== */
.form-section__inner {
    display: grid;
    grid-template-columns: 4fr 8fr;
    gap: clamp(32px, 4vw, 64px);
}

.form-section__intro p {
    margin-top: 16px;
    color: var(--color-muted);
}

.form-card {
    background: var(--color-white);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-l);
    padding: clamp(24px, 3vw, 40px);
}

.lead-form__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.field label {
    font-size: 0.875rem;
    font-weight: 600;
}

.field input,
.field select,
.field textarea {
    padding: 13px 16px;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-s);
    background: var(--color-paper);
    transition: border-color 200ms var(--ease-out);
    width: 100%;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
    border-color: var(--color-ink);
    outline: none;
    box-shadow: 0 0 0 3px rgba(214, 255, 59, 0.35);
}

.field textarea {
    resize: vertical;
    min-height: 110px;
}

.field--checkbox {
    flex-direction: row;
    align-items: flex-start;
    gap: 10px;
    flex-wrap: wrap;
}

.field--checkbox input {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    accent-color: var(--color-accent);
}

.field--checkbox label {
    font-weight: 400;
    font-size: 0.875rem;
    flex: 1;
}

.field__error {
    display: none;
    color: var(--color-accent-dark);
    font-size: 0.8125rem;
    margin: 0;
}

.field__error:not(:empty) {
    display: block;
}

.field.has-error input,
.field.has-error select,
.field.has-error textarea {
    border-color: var(--color-accent-dark);
}

.lead-form__submit {
    width: 100%;
    margin-top: 4px;
}

.form-banner {
    padding: 14px 18px;
    border-radius: var(--radius-s);
    font-size: 0.9375rem;
    margin-bottom: 24px;
}

.form-banner--success {
    background: #EEF3E4;
    color: #3F5A22;
}

.form-banner--error {
    background: #FBE9E2;
    color: #93330F;
}

.hp-field {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

@media (max-width: 899px) {
    .form-section__inner {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 599px) {
    .lead-form__row {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq-list {
    max-width: 800px;
    border-top: 1px solid var(--color-line);
}

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

.faq-item__trigger {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding-block: 22px;
    text-align: left;
    font-family: var(--font-display);
    font-size: 1.0625rem;
}

.faq-item__icon svg {
    width: 18px;
    height: 18px;
    transition: transform 200ms var(--ease-out);
}

.faq-item__trigger[aria-expanded="true"] .faq-item__icon svg {
    transform: rotate(45deg);
}

.faq-item__panel {
    max-height: 0;
    overflow: hidden;
    padding-bottom: 0;
    transition: max-height 320ms var(--ease-out), padding-bottom 320ms var(--ease-out);
}

.faq-item__panel.is-open {
    padding-bottom: 22px;
}

.faq-item__panel p {
    color: var(--color-muted);
    max-width: 65ch;
}

/* ==========================================================================
   Final CTA
   ========================================================================== */
.final-cta {
    position: relative;
    background: var(--color-ink);
    color: var(--color-paper);
    border-radius: var(--radius-l);
    margin-inline: var(--container-pad);
    margin-block: clamp(48px, 6vw, 96px);
    padding-block: clamp(48px, 7vw, 96px);
    overflow: hidden;
}

.final-cta--has-bg {
    background-size: cover;
    background-position: center;
}

.final-cta--has-bg::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(11, 11, 12, 0.68);
}

.final-cta__inner {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 18px;
    max-width: 520px;
    margin-inline: auto;
}

.final-cta h2 {
    color: var(--color-paper);
}

.final-cta p {
    color: var(--color-muted-on-dark);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
    background: var(--color-ink);
    color: var(--color-paper);
    padding-top: clamp(48px, 6vw, 80px);
}

.site-footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 32px;
    padding-bottom: 48px;
}

.site-footer__brand {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--color-paper);
}

.site-footer__description {
    color: var(--color-muted-on-dark);
    max-width: 32ch;
}

.site-footer__title {
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-muted-on-dark);
    margin-bottom: 16px;
}

.site-footer__nav ul,
.site-footer__contacts ul,
.site-footer__legal ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 0.9375rem;
}

.site-footer__nav a:hover,
.site-footer__contacts a:hover,
.site-footer__legal a:hover {
    color: var(--color-accent);
}

.site-footer__placeholder {
    color: var(--color-muted-on-dark);
}

.site-footer__legal-name {
    margin-top: 16px;
    font-size: 0.8125rem;
    color: var(--color-muted-on-dark);
}

.privacy-page {
    min-height: 60vh;
}

.privacy-page__inner {
    max-width: 760px;
}

.privacy-page h1 {
    font-size: clamp(2rem, 3vw + 1rem, 3.25rem);
    margin-bottom: 32px;
}

.privacy-page__text {
    color: var(--color-muted);
    font-size: 1.0625rem;
    line-height: 1.7;
    margin-bottom: 40px;
}

.site-footer__bottom {
    padding-block: 24px;
    border-top: 1px solid var(--color-line-on-dark);
    color: var(--color-muted-on-dark);
    font-size: 0.8125rem;
}

@media (max-width: 899px) {
    .site-footer__grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 599px) {
    .site-footer__grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   404
   ========================================================================== */
.error-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--color-ink);
    color: var(--color-paper);
}

.error-page h1 {
    color: var(--color-paper);
}

.error-page__inner {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.error-page__inner p:not(.eyebrow) {
    color: var(--color-muted-on-dark);
    max-width: 44ch;
}


/* ==========================================================================
   Back to top
   ========================================================================== */
.back-to-top {
    position: fixed;
    right: clamp(16px, 2.2vw, 32px);
    bottom: clamp(16px, 2.2vw, 32px);
    z-index: 90;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--color-accent);
    color: var(--color-accent-ink);
    border: 1px solid rgba(11, 11, 12, 0.18);
    box-shadow: 0 10px 30px rgba(47, 7, 77, 0.28);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(12px) scale(0.96);
    transition:
        opacity 180ms var(--ease-out),
        visibility 180ms var(--ease-out),
        transform 220ms var(--ease-out),
        background 180ms var(--ease-out),
        box-shadow 180ms var(--ease-out);
}

.back-to-top.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0) scale(1);
}

.back-to-top svg {
    width: 22px;
    height: 22px;
}

.back-to-top:hover {
    background: var(--color-accent-dark);
    box-shadow: 0 14px 34px rgba(47, 7, 77, 0.36);
    transform: translateY(-2px) scale(1);
}

.back-to-top:focus-visible {
    outline: 2px solid #7c2bd8;
    outline-offset: 3px;
}

@media (max-width: 599px) {
    .back-to-top {
        width: 48px;
        height: 48px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .back-to-top {
        transition: none;
    }
}