/* ============================================================
   Howok — базовые стили (этап 1: каркас).
   Дизайн-система появится на этапе 2; здесь — токены, раскладка,
   шапка/футер и заготовки секций. Только logical properties,
   чтобы RTL (he, ar) и LTR (en, ru) работали одним CSS.
   ============================================================ */

:root {
    /* Тема «Neon Blueprint»: тёмно-синий чертёжный фон, неоновый лайм, циан→фиолет */
    --color-bg: #0a0f1c;
    --color-surface: #101827;
    --color-text: #edf1f9;
    --color-text-muted: #93a0b6;
    --color-accent: #c6f432;
    --color-accent-contrast: #101503;
    --color-border: rgba(255, 255, 255, 0.09);

    --neon-cyan: #57d4ff;
    --neon-violet: #9d7bff;

    /* Rubik: латиница + кириллица + иврит + арабский одним вариативным шрифтом (fonts.css) */
    --font-sans: "Rubik", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;

    --container-max: 72rem;
    --container-pad: clamp(1rem, 4vw, 2rem);
    --radius: 0.75rem;
}

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

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

img,
svg {
    display: block;
    max-inline-size: 100%;
    block-size: auto;
}

a {
    color: inherit;
}

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

/* --- Утилиты --- */
.container {
    max-inline-size: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-pad);
}

.skip-link {
    position: absolute;
    inset-block-start: -100%;
    inset-inline-start: 1rem;
    padding: 0.5rem 1rem;
    background: var(--color-accent);
    color: var(--color-accent-contrast);
    border-radius: var(--radius);
    z-index: 100;
}

.skip-link:focus {
    inset-block-start: 1rem;
}

/* --- Кнопки --- */
.btn {
    display: inline-block;
    padding: 0.65em 1.4em;
    border: 0;
    border-radius: var(--radius);
    font: inherit;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: filter 0.15s ease;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-accent-contrast);
}

.btn-primary:hover {
    filter: brightness(1.1);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text);
    box-shadow: inset 0 0 0 1px var(--color-border);
}

.btn-ghost:hover {
    box-shadow: inset 0 0 0 1px var(--color-text-muted);
}

.btn-lg {
    padding: 0.85em 1.8em;
    font-size: 1.05rem;
}

/* --- Шапка --- */
.site-header {
    position: sticky;
    inset-block-start: 0;
    background: color-mix(in srgb, var(--color-bg) 88%, transparent);
    backdrop-filter: blur(8px);
    border-block-end: 1px solid var(--color-border);
    z-index: 50;
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    min-block-size: 4rem;
    flex-wrap: wrap;
    padding-block: 0.5rem;
}

.logo {
    font-size: 1.35rem;
    font-weight: 800;
    text-decoration: none;
    letter-spacing: -0.02em;
}

.logo-dot {
    color: var(--color-accent);
}

.main-nav {
    display: flex;
    gap: 1.25rem;
    flex-wrap: wrap;
}

.main-nav a {
    text-decoration: none;
    color: var(--color-text-muted);
    font-weight: 500;
}

.main-nav a:hover {
    color: var(--color-text);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-inline-start: auto;
    flex-wrap: wrap;
}

.lang-switcher {
    display: flex;
    gap: 0.25rem;
}

.lang-switcher a {
    padding: 0.3em 0.55em;
    border-radius: 0.5rem;
    text-decoration: none;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.lang-switcher a:hover {
    background: var(--color-surface);
    color: var(--color-text);
}

.lang-switcher a.is-active {
    background: var(--color-surface);
    color: var(--color-text);
    font-weight: 700;
}

/* --- Hero: общая раскладка (скины — в concept-dark.css / concept-light.css) --- */
.hero {
    padding-block: clamp(3rem, 9vh, 6rem);
    overflow: hidden;
}

.hero-grid {
    display: grid;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 60rem) {
    .hero-grid {
        grid-template-columns: 1.1fr 0.9fr;
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    font-size: 0.88rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    padding: 0.4em 1em;
    border-radius: 2rem;
    margin-block: 0;
}

.badge-dot {
    inline-size: 0.5rem;
    block-size: 0.5rem;
    border-radius: 50%;
    background: var(--color-accent);
}

.hero-title {
    font-size: clamp(2.2rem, 5.2vw, 3.7rem);
    line-height: 1.08;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-block: 1.1rem 1.25rem;
    max-inline-size: 16ch;
}

.hero-accent {
    display: inline;
}

.hero-subtitle {
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    color: var(--color-text-muted);
    max-inline-size: 48ch;
    margin-block-end: 2rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.hero-points {
    list-style: none;
    padding: 0;
    margin-block: 2.25rem 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.75rem;
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

.hero-points li {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.hero-points li::before {
    content: "✓";
    font-weight: 700;
    color: var(--color-accent);
}

/* --- Мокапы устройств (структура; цвета задают концепты) --- */
.hero-visual {
    position: relative;
    max-inline-size: 30rem;
    margin-inline: auto;
    inline-size: 100%;
    padding-block-end: 2.5rem;
}

.mock-browser {
    border-radius: 0.9rem;
    overflow: hidden;
}

.mock-bar {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.65rem 0.9rem;
}

.mock-dot {
    inline-size: 0.55rem;
    block-size: 0.55rem;
    border-radius: 50%;
}

.mock-url {
    margin-inline: auto;
    font-size: 0.72rem;
    padding: 0.15em 1.4em;
    border-radius: 1rem;
}

.mock-body {
    padding: 1.3rem;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.mock-line {
    block-size: 0.85rem;
    border-radius: 0.4rem;
    inline-size: 65%;
}

.mock-line-lg {
    block-size: 1.5rem;
    inline-size: 85%;
}

.mock-chip-row {
    display: flex;
    gap: 0.6rem;
}

.mock-chip {
    block-size: 1.7rem;
    inline-size: 5.5rem;
    border-radius: 2rem;
}

.mock-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.65rem;
}

.mock-card {
    block-size: 3.6rem;
    border-radius: 0.6rem;
}

.mock-card-tall {
    block-size: 5rem;
}

.mock-phone {
    position: absolute;
    inset-block-end: 0;
    inset-inline-end: -0.75rem;
    inline-size: 9.75rem;
    border-radius: 1.5rem;
    padding: 0.5rem;
}

.mock-notch {
    inline-size: 35%;
    block-size: 0.4rem;
    border-radius: 1rem;
    margin-inline: auto;
    margin-block-end: 0.5rem;
}

.mock-screen {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    border-radius: 1rem;
    padding: 0.75rem;
}

.mock-screen .mock-line,
.mock-screen .mock-line-lg {
    inline-size: 90%;
}

@media (max-width: 30rem) {
    .mock-phone {
        inline-size: 7.5rem;
        inset-inline-end: -0.25rem;
    }
}

/* --- Секции --- */
.section {
    padding-block: clamp(3rem, 8vh, 5rem);
}

.section:nth-of-type(odd) {
    background: var(--color-bg);
}

.section-title {
    font-size: clamp(1.5rem, 3.5vw, 2.25rem);
    font-weight: 800;
    letter-spacing: -0.01em;
    margin-block-end: 1rem;
}

.section-placeholder {
    color: var(--color-text-muted);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
    background: var(--color-surface);
}

/* --- Футер --- */
.site-footer {
    border-block-start: 1px solid var(--color-border);
    padding-block: 2rem;
    background: var(--color-surface);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.footer-copy {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* --- 404 --- */
.error-page {
    text-align: center;
    padding-block: clamp(4rem, 15vh, 8rem);
}

.error-code {
    font-size: clamp(4rem, 12vw, 7rem);
    font-weight: 800;
    color: var(--color-border);
    line-height: 1;
}

.error-page p {
    margin-block: 1rem;
}

/* --- Мобильная раскладка шапки --- */
@media (max-width: 47.9rem) {
    .header-inner {
        gap: 0.75rem;
    }

    .main-nav {
        order: 3;
        inline-size: 100%;
        gap: 1rem;
        font-size: 0.95rem;
    }

    .header-cta {
        display: none;
    }
}

/* ============================================================
   Скин «Neon Blueprint»
   ============================================================ */

.hero {
    background:
        radial-gradient(55rem 30rem at 12% -10%, rgba(87, 212, 255, 0.13), transparent 60%),
        radial-gradient(48rem 28rem at 88% 15%, rgba(157, 123, 255, 0.12), transparent 60%),
        linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px) 0 0 / 100% 2.75rem,
        linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px) 0 0 / 2.75rem 100%,
        var(--color-bg);
}

.hero-badge {
    color: var(--color-text);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.04);
}

.badge-dot {
    box-shadow: 0 0 10px var(--color-accent);
}

.hero-accent {
    background: linear-gradient(92deg, var(--neon-cyan), var(--neon-violet));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.btn-primary {
    box-shadow: 0 0 24px rgba(198, 244, 50, 0.35);
}

.btn-primary:hover {
    box-shadow: 0 0 34px rgba(198, 244, 50, 0.5);
}

.mock-browser {
    background: #0e1626;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow:
        0 24px 60px rgba(0, 0, 0, 0.55),
        0 0 40px rgba(87, 212, 255, 0.07);
}

.mock-bar {
    background: rgba(255, 255, 255, 0.04);
    border-block-end: 1px solid rgba(255, 255, 255, 0.07);
}

.mock-dot {
    background: rgba(255, 255, 255, 0.2);
}

.mock-url {
    color: var(--neon-cyan);
    background: rgba(87, 212, 255, 0.1);
    font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
}

.mock-line,
.mock-card {
    background: rgba(255, 255, 255, 0.07);
}

.mock-line-lg {
    background: rgba(255, 255, 255, 0.12);
}

.mock-chip {
    background: rgba(255, 255, 255, 0.08);
}

.mock-chip-accent {
    background: linear-gradient(92deg, var(--neon-cyan), var(--neon-violet));
    opacity: 0.85;
}

.mock-phone {
    background: #0c1322;
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow:
        0 18px 45px rgba(0, 0, 0, 0.6),
        0 0 30px rgba(157, 123, 255, 0.1);
    animation: float-phone 6s ease-in-out infinite alternate;
}

.mock-notch {
    background: rgba(255, 255, 255, 0.15);
}

.mock-screen {
    background: rgba(255, 255, 255, 0.03);
}

.mock-screen .mock-chip-accent {
    background: var(--color-accent);
    opacity: 0.9;
}

@keyframes float-phone {
    from {
        transform: translateY(0);
    }

    to {
        transform: translateY(-0.5rem);
    }
}

.site-header {
    background: color-mix(in srgb, var(--color-bg) 82%, transparent);
}

.section-placeholder {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.12);
}

/* ============================================================
   Секции контента (этап 3)
   ============================================================ */

/* --- Услуги --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(15.5rem, 1fr));
    gap: 1.25rem;
    margin-block-start: 2rem;
}

.service-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.service-card:hover {
    border-color: rgba(198, 244, 50, 0.35);
    transform: translateY(-3px);
}

.service-icon {
    inline-size: 2.75rem;
    block-size: 2.75rem;
    border-radius: 0.7rem;
    display: grid;
    place-items: center;
    color: var(--color-accent);
    background: rgba(198, 244, 50, 0.08);
    border: 1px solid rgba(198, 244, 50, 0.2);
}

.service-icon svg {
    inline-size: 1.5rem;
    block-size: 1.5rem;
}

.service-title {
    font-size: 1.15rem;
    font-weight: 700;
}

.service-desc {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    flex-grow: 1;
}

.service-price {
    font-weight: 700;
    color: var(--color-accent);
    font-size: 1.05rem;
}

/* --- Портфолио --- */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
    gap: 1.25rem;
    margin-block-start: 2rem;
}

.case-card {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.case-card:hover {
    border-color: rgba(87, 212, 255, 0.4);
    transform: translateY(-3px);
}

.case-cover {
    aspect-ratio: 16 / 10;
    background:
        radial-gradient(20rem 12rem at 80% -20%, rgba(157, 123, 255, 0.18), transparent 70%),
        radial-gradient(20rem 12rem at 10% 110%, rgba(87, 212, 255, 0.14), transparent 70%),
        #0c1322;
    border-block-end: 1px solid var(--color-border);
    display: grid;
    place-items: center;
}

.case-cover img {
    inline-size: 100%;
    block-size: 100%;
    object-fit: cover;
}

.case-cover-mock {
    inline-size: 70%;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.case-card-body {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    flex-grow: 1;
}

.case-title {
    font-size: 1.1rem;
    font-weight: 700;
}

.case-excerpt {
    color: var(--color-text-muted);
    font-size: 0.92rem;
    flex-grow: 1;
}

.stack-tags {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.stack-tags li {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.2em 0.7em;
    border-radius: 1rem;
    color: var(--neon-cyan);
    background: rgba(87, 212, 255, 0.08);
    border: 1px solid rgba(87, 212, 255, 0.2);
}

.case-more {
    margin-block-start: 0.4rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-accent);
}

/* --- Процесс --- */
.process-steps {
    list-style: none;
    counter-reset: step;
    padding: 0;
    margin-block-start: 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
    gap: 1.25rem;
}

.process-step {
    position: relative;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.4rem;
}

.step-num {
    display: inline-grid;
    place-items: center;
    inline-size: 2.1rem;
    block-size: 2.1rem;
    border-radius: 50%;
    font-weight: 700;
    color: var(--color-accent-contrast);
    background: var(--color-accent);
    margin-block-end: 0.8rem;
}

.step-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-block-end: 0.35rem;
}

.step-text {
    color: var(--color-text-muted);
    font-size: 0.92rem;
}

/* --- Контакты и форма --- */
.contact-grid {
    display: grid;
    gap: 2.5rem;
    margin-block-start: 2rem;
}

@media (min-width: 55rem) {
    .contact-grid {
        grid-template-columns: 1fr 1.2fr;
        align-items: start;
    }
}

.contact-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    max-inline-size: 40ch;
}

.contact-direct-label {
    margin-block-start: 1.75rem;
    font-weight: 600;
}

.contact-links {
    list-style: none;
    padding: 0;
    margin-block-start: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.contact-links a {
    display: inline-block;
    padding: 0.55em 1.2em;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 600;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    transition: border-color 0.2s ease;
}

.contact-links a:hover {
    border-color: rgba(198, 244, 50, 0.4);
}

.lead-form {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

.hp-field {
    position: absolute;
    inset-inline-start: -624.9375rem;
    margin: 0;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-field label {
    font-size: 0.9rem;
    font-weight: 600;
}

.form-field input,
.form-field textarea,
.form-field select {
    font: inherit;
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--color-border);
    border-radius: 0.6rem;
    padding: 0.65em 0.9em;
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
    outline: 2px solid rgba(198, 244, 50, 0.5);
    outline-offset: 1px;
    border-color: transparent;
}

.form-field select option {
    background: var(--color-surface);
    color: var(--color-text);
}

.form-submit {
    align-self: start;
}

.form-submit[disabled] {
    opacity: 0.6;
    cursor: wait;
}

.form-success,
.form-note.is-success {
    background: rgba(198, 244, 50, 0.1);
    border: 1px solid rgba(198, 244, 50, 0.35);
    color: var(--color-text);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
    font-weight: 500;
}

.form-error,
.form-note.is-error {
    background: rgba(255, 99, 99, 0.08);
    border: 1px solid rgba(255, 99, 99, 0.35);
    color: #ffb4b4;
    border-radius: var(--radius);
    padding: 0.85rem 1.25rem;
    margin-block-end: 1rem;
}

.form-note {
    margin: 0;
}

/* --- Страница кейса --- */
.case-page {
    padding-block: clamp(2.5rem, 7vh, 4.5rem);
}

.breadcrumbs {
    font-size: 0.88rem;
    color: var(--color-text-muted);
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-block-end: 1.5rem;
}

.breadcrumbs a {
    color: var(--color-text-muted);
    text-decoration: none;
}

.breadcrumbs a:hover {
    color: var(--color-text);
}

.case-page-title {
    font-size: clamp(1.8rem, 4.5vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    max-inline-size: 22ch;
}

.case-page-excerpt {
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    color: var(--color-text-muted);
    max-inline-size: 55ch;
    margin-block: 1rem 1.25rem;
}

.stack-tags-lg li {
    font-size: 0.85rem;
}

.case-hero-visual {
    margin-block: 2.5rem;
    max-inline-size: 46rem;
}

.case-hero-visual img {
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.case-body {
    display: grid;
    gap: 2rem;
    max-inline-size: 46rem;
}

@media (min-width: 50rem) {
    .case-body {
        grid-template-columns: 1fr 1fr;
    }
}

.case-section h2 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-block-end: 0.6rem;
    color: var(--color-accent);
}

.case-section p {
    color: var(--color-text-muted);
    line-height: 1.7;
}

.case-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
    gap: 1rem;
    margin-block-start: 2.5rem;
}

.case-gallery img {
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.case-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-block-start: 2.5rem;
}

.case-cta {
    margin-block-start: 3.5rem;
    padding: 2.5rem;
    text-align: center;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.case-cta h2 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-block-end: 1.25rem;
}

/* --- Появление при прокрутке (класс вешает JS) --- */
.reveal {
    opacity: 0;
    translate: 0 0.8rem;
    transition: opacity 0.5s ease, translate 0.5s ease;
}

.reveal.in {
    opacity: 1;
    translate: 0 0;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}