/* ==========================================================================
   Sandwich Leads MVP — стили лендинга.

   Дизайн-система: сдержанный технический/индустриальный B2B-стиль.
   Сигнатурный элемент: горизонтальные "швы" — визуальная отсылка к стыкам
   сэндвич-панелей, используется как фоновая текстура главного экрана.
   ========================================================================== */

:root {
    /* Цвет */
    --color-bg: #F5F6F7;
    --color-surface: #FFFFFF;
    --color-text: #12161A;
    --color-text-muted: #5A6570;
    --color-accent: #2C5A85;
    --color-accent-dark: #1E4363;
    --color-border: #DFE3E7;
    --color-footer-bg: #12161A;
    --color-footer-text: #C6CCD1;
    --color-footer-text-muted: #838B93;

    /* Типографика */
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, sans-serif;

    /* Layout */
    --content-max: 1080px;
    --radius: 6px;
}

/* --------------------------------------------------------------------
   Reset
   -------------------------------------------------------------------- */

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

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

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

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

a {
    color: inherit;
}

h1,
h2 {
    line-height: 1.15;
}

.container {
    width: 100%;
    max-width: var(--content-max);
    margin: 0 auto;
    padding-inline: clamp(16px, 4vw, 32px);
}

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

/* Гарантируем, что [hidden] всегда скрывает элемент, даже если у него
   есть свой явный display (например, .button-primary: inline-block). */
[hidden] {
    display: none !important;
}

/* --------------------------------------------------------------------
   Кнопка CTA
   -------------------------------------------------------------------- */

.button-primary {
    display: inline-block;
    background-color: var(--color-accent);
    color: #FFFFFF;
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    padding: 0.95rem 1.9rem;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.button-primary:hover {
    background-color: var(--color-accent-dark);
}

/* --------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------- */

.hero {
    position: relative;
    background-color: var(--color-bg);
    padding-block: clamp(56px, 12vw, 108px) clamp(64px, 12vw, 96px);
}

.hero__inner {
    position: relative;
    max-width: 720px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
}

.eyebrow {
    text-transform: uppercase;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: 4px;
}

.hero__title {
    font-size: clamp(2rem, 1.35rem + 3vw, 3.4rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--color-text);
    margin-bottom: 6px;
}

.hero__subtitle {
    font-size: clamp(1.05rem, 0.95rem + 0.5vw, 1.25rem);
    color: var(--color-text-muted);
    max-width: 42ch;
}

.hero__subtitle--secondary {
    font-size: 0.92rem;
    color: var(--color-text-muted);
    opacity: 0.85;
    margin-top: -6px;
}

.hero .button-primary {
    margin-top: 8px;
}

/* --------------------------------------------------------------------
   Site header
   -------------------------------------------------------------------- */

.site-header {
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 20;
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding-block: 14px;
}

.site-header__logo {
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: -0.01em;
    color: var(--color-text);
    text-decoration: none;
    flex-shrink: 0;
}

.site-header__nav {
    display: none;
    gap: 24px;
    font-size: 0.92rem;
    font-weight: 600;
}

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

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

.site-header__cta {
    padding: 0.6rem 1.1rem;
    font-size: 0.9rem;
    white-space: nowrap;
}

@media (min-width: 860px) {
    .site-header__nav {
        display: flex;
    }
}

/* --------------------------------------------------------------------
   Button variants
   -------------------------------------------------------------------- */

.button-secondary {
    display: inline-block;
    background-color: var(--color-surface);
    color: var(--color-text);
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    padding: 0.95rem 1.9rem;
    border-radius: var(--radius);
    border: 1.5px solid var(--color-border);
    cursor: pointer;
    transition: border-color 0.15s ease;
}

.button-secondary:hover {
    border-color: var(--color-accent);
}

/* --------------------------------------------------------------------
   Hero — сигналы доверия и два сценария
   -------------------------------------------------------------------- */

.hero__signals {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 20px;
    list-style: none;
    margin-top: 10px;
    padding-top: 14px;
    border-top: 1px solid var(--color-border);
    width: 100%;
    max-width: 560px;
}

.hero__signals li {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-muted);
    padding-left: 18px;
    position: relative;
}

.hero__signals li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 800;
}

.hero__scenarios {
    position: relative;
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    width: 100%;
    max-width: 720px;
    margin-top: 24px;
    align-items: stretch;
}

@media (min-width: 760px) {
    .hero__scenarios {
        grid-template-columns: 1fr 1fr;
    }
}

.scenario-card {
    background-color: var(--color-surface);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius);
    padding: 24px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    height: 100%;
}

.scenario-card__eyebrow {
    text-transform: uppercase;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--color-accent);
}

.scenario-card__title {
    font-size: 1.18rem;
    font-weight: 800;
    letter-spacing: -0.01em;
    line-height: 1.35;
}

@media (min-width: 760px) {
    .scenario-card__title {
        /* Резервируем высоту под 2 строки — у одной карточки заголовок
           умещается в одну строку, у другой переносится на две; без
           этого кнопки в карточках оказываются на разной высоте. */
        min-height: 2.7em;
    }
}

.scenario-card__text {
    color: var(--color-text-muted);
    font-size: 0.92rem;
    margin-bottom: 8px;
}

.scenario-card__cta {
    width: 100%;
    text-align: center;
    margin-top: auto;
}

.scenario-card__disclaimer {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    margin-top: 8px;
}

/* --------------------------------------------------------------------
   Trust — четыре преимущества
   -------------------------------------------------------------------- */

/* --------------------------------------------------------------------
   "Один запрос вместо десятков звонков" — заметный смысловой блок
   -------------------------------------------------------------------- */

.one-request {
    padding-block: clamp(36px, 7vw, 56px);
    background-color: var(--color-accent);
}

.one-request__inner {
    max-width: 640px;
    text-align: center;
    margin-inline: auto;
}

.one-request h2 {
    color: #FFFFFF;
    font-size: clamp(1.3rem, 1.05rem + 1vw, 1.7rem);
    font-weight: 800;
    letter-spacing: -0.01em;
    margin-bottom: 10px;
}

.one-request p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.98rem;
}

.trust {
    padding-block: clamp(40px, 8vw, 72px);
}

.trust__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.trust-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 28px 24px;
}

.trust-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    color: var(--color-accent);
    margin-bottom: 16px;
}

.trust-card__icon svg {
    width: 28px;
    height: 28px;
}

.trust-card__title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.trust-card__text {
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

/* --------------------------------------------------------------------
   "Не знаете, с чего начать"
   -------------------------------------------------------------------- */

.not-sure {
    padding-block: clamp(40px, 8vw, 72px);
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.not-sure__inner {
    max-width: 620px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}

.not-sure h2 {
    font-size: clamp(1.4rem, 1.1rem + 1vw, 1.85rem);
    font-weight: 800;
    letter-spacing: -0.01em;
}

.not-sure p {
    color: var(--color-text-muted);
}

.not-sure .button-primary {
    margin-top: 8px;
}

/* --------------------------------------------------------------------
   Section title (общий утилитарный класс)
   -------------------------------------------------------------------- */

.section-title {
    font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2rem);
    font-weight: 800;
    letter-spacing: -0.01em;
    text-align: center;
    margin-bottom: clamp(28px, 5vw, 44px);
    text-wrap: balance;
}

.section-title--companies {
    max-width: 900px;
    margin-inline: auto;
    font-size: clamp(1.35rem, 1.05rem + 1.1vw, 1.85rem);
}

/* --------------------------------------------------------------------
   Как это работает
   -------------------------------------------------------------------- */

.how-it-works {
    padding-block: clamp(48px, 9vw, 88px);
}

.how-it-works__steps {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    counter-reset: none;
}

@media (min-width: 720px) {
    .how-it-works__steps {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1080px) {
    .how-it-works__steps {
        grid-template-columns: repeat(5, 1fr);
    }
}

.how-it-works__steps li {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.how-it-works__num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--color-bg);
    font-size: 0.8rem;
    font-weight: 800;
    color: var(--color-accent);
    letter-spacing: 0.02em;
    margin-bottom: 4px;
}

.how-it-works__steps h3 {
    font-size: 1rem;
    font-weight: 700;
}

.how-it-works__steps p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

/* --------------------------------------------------------------------
   Companies (trust-блок компаний)
   -------------------------------------------------------------------- */

.companies {
    padding-block: clamp(48px, 9vw, 88px);
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.companies__carousel {
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
}

.companies__grid {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    scroll-snap-type: x proximity;
    scroll-behavior: smooth;
    padding-block: 4px;
    padding-inline: 2px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.companies__grid::-webkit-scrollbar {
    display: none;
}

.companies__empty {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.92rem;
    padding: 32px;
    border: 1.5px dashed var(--color-border);
    border-radius: var(--radius);
    width: 100%;
}

.companies__nav {
    flex-shrink: 0;
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1.5px solid var(--color-border);
    background-color: var(--color-surface);
    color: var(--color-text);
    font-size: 1.3rem;
    line-height: 1;
    cursor: pointer;
}

.companies__nav:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

@media (min-width: 700px) {
    .companies__nav {
        display: flex;
    }
}

.company-card {
    flex: 0 0 auto;
    width: 268px;
    scroll-snap-align: start;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 20px;
    background-color: var(--color-bg);
    display: flex;
    flex-direction: column;
    min-height: 220px;
}

@media (min-width: 540px) {
    .company-card {
        width: 288px;
    }
}

.company-card__name {
    font-weight: 800;
    font-size: 1rem;
    margin-bottom: 8px;
}

.company-card__type {
    font-size: 0.87rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

.company-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 14px;
}

.company-card__tag {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--color-accent);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    padding: 3px 10px;
}

.company-card__region {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.78rem;
    color: var(--color-text-muted);
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px solid var(--color-border);
}

.company-card__region-icon {
    width: 13px;
    height: 13px;
    flex-shrink: 0;
    color: var(--color-text-muted);
}

.company-card__footer {
    margin-top: auto;
    padding-top: 12px;
}

.company-card__rating {
    font-weight: 700;
    font-size: 0.9rem;
}

.company-card__rating span {
    font-weight: 400;
    color: var(--color-text-muted);
    font-size: 0.8rem;
    margin-left: 4px;
}

.company-card__rating-source {
    margin-top: 2px;
    font-size: 0.78rem;
    color: var(--color-text-muted);
}

/* --------------------------------------------------------------------
   FAQ
   -------------------------------------------------------------------- */

.faq {
    padding-block: clamp(48px, 9vw, 88px);
}

.faq__list {
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.faq__item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 16px 18px;
    background-color: var(--color-surface);
}

.faq__item summary {
    cursor: pointer;
    font-weight: 700;
    font-size: 0.98rem;
    list-style: none;
}

.faq__item summary::-webkit-details-marker {
    display: none;
}

.faq__item summary::before {
    content: "+ ";
    color: var(--color-accent);
    font-weight: 800;
}

.faq__item[open] summary::before {
    content: "− ";
}

.faq__item p {
    margin-top: 10px;
    color: var(--color-text-muted);
    font-size: 0.92rem;
}

/* --------------------------------------------------------------------
   Final CTA
   -------------------------------------------------------------------- */

.final-cta {
    padding-block: clamp(48px, 9vw, 88px);
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
}

.final-cta__inner {
    max-width: 620px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}

.final-cta h2 {
    font-size: clamp(1.4rem, 1.1rem + 1vw, 1.85rem);
    font-weight: 800;
    letter-spacing: -0.01em;
}

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

.final-cta__note {
    font-size: 0.85rem;
    margin-top: -4px;
}

/* --------------------------------------------------------------------
   Calculator flow chooser
   -------------------------------------------------------------------- */

.calculator__flow-chooser {
    text-align: center;
    padding-block: 12px;
}

.calculator__flow-chooser-title {
    font-weight: 800;
    font-size: 1.1rem;
    margin-bottom: 16px;
}

.calculator__flow-chooser-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

@media (min-width: 480px) {
    .calculator__flow-chooser-options {
        flex-direction: row;
        justify-content: center;
    }
}

/* Единый нейтральный стиль обоих вариантов переключателя — раньше один
   вариант был тёмной кнопкой (button-primary), другой светлой
   (button-secondary), что выглядело как два разных компонента. */
.calc-flow-option {
    flex: 1;
    max-width: 280px;
    font: inherit;
    font-weight: 700;
    font-size: 1rem;
    padding: 0.95rem 1.5rem;
    border-radius: var(--radius);
    border: 1.5px solid var(--color-border);
    background-color: var(--color-surface);
    color: var(--color-text);
    cursor: pointer;
    transition: border-color 0.15s ease, background-color 0.15s ease;
}

.calc-flow-option:hover {
    border-color: var(--color-accent);
}

.calc-flow-option.is-selected {
    border-color: var(--color-accent);
    background-color: var(--color-bg);
    box-shadow: inset 0 0 0 1.5px var(--color-accent);
}

/* --------------------------------------------------------------------
   Calculator
   -------------------------------------------------------------------- */

.calculator {
    padding-block: clamp(48px, 9vw, 88px);
}

.calculator__card {
    max-width: 640px;
    margin-inline: auto;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: clamp(24px, 5vw, 40px);
}

/* Progress */

.calculator__progress {
    margin-bottom: 24px;
}

.calculator__progress-track {
    height: 6px;
    border-radius: 3px;
    background-color: var(--color-bg);
    overflow: hidden;
    margin-bottom: 10px;
}

.calculator__progress-fill {
    height: 100%;
    width: 12.5%;
    background-color: var(--color-accent);
    border-radius: 3px;
    transition: width 0.2s ease;
}

.calculator__progress-label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* Step transition */

.calc-step {
    opacity: 0;
    transform: translateY(8px);
}

.calc-step.calc-step--active {
    animation: calc-step-in 0.22s ease forwards;
}

@keyframes calc-step-in {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.calc-step__question {
    font-size: clamp(1.2rem, 1.05rem + 0.6vw, 1.5rem);
    font-weight: 800;
    letter-spacing: -0.01em;
    margin-bottom: 20px;
}

.calc-step__hint {
    margin-top: 14px;
    font-size: 0.88rem;
    color: var(--color-text-muted);
}

/* Cards (object step) */

.calc-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
}

.calc-card {
    font: inherit;
    text-align: left;
    background-color: var(--color-bg);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius);
    padding: 16px 14px;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--color-text);
    cursor: pointer;
    min-height: 56px;
    transition: border-color 0.15s ease, background-color 0.15s ease;
}

.calc-card:hover {
    border-color: var(--color-accent);
}

.calc-card.is-selected {
    border-color: var(--color-accent);
    background-color: var(--color-surface);
    box-shadow: inset 0 0 0 1.5px var(--color-accent);
}

/* Карточки с описанием (режим использования, утеплитель — Этап 5) */

.calc-described-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

@media (min-width: 560px) {
    .calc-described-cards {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }
}

.calc-described-card {
    font: inherit;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 6px;
    background-color: var(--color-bg);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius);
    padding: 16px;
    cursor: pointer;
    transition: border-color 0.15s ease, background-color 0.15s ease;
}

.calc-described-card:hover {
    border-color: var(--color-accent);
}

.calc-described-card.is-selected {
    border-color: var(--color-accent);
    background-color: var(--color-surface);
    box-shadow: inset 0 0 0 1.5px var(--color-accent);
}

.calc-described-card__title {
    font-weight: 700;
    font-size: 0.98rem;
    color: var(--color-text);
}

.calc-described-card__description {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.45;
}

/* Options (single-select lists) */

.calc-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.calc-option {
    font: inherit;
    text-align: left;
    background-color: var(--color-bg);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius);
    padding: 14px 16px;
    font-weight: 600;
    font-size: 0.98rem;
    color: var(--color-text);
    cursor: pointer;
    min-height: 48px;
    transition: border-color 0.15s ease, background-color 0.15s ease;
}

.calc-option:hover {
    border-color: var(--color-accent);
}

.calc-option.is-selected {
    border-color: var(--color-accent);
    background-color: var(--color-surface);
    box-shadow: inset 0 0 0 1.5px var(--color-accent);
}

/* Fields */

.calc-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
}

.calc-field label {
    font-size: 0.9rem;
    font-weight: 700;
}

.calc-field input[type="text"],
.calc-field input[type="number"] {
    font: inherit;
    font-size: 1rem;
    padding: 12px 14px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius);
    background-color: var(--color-bg);
    color: var(--color-text);
    width: 100%;
}

.calc-field input:focus-visible {
    border-color: var(--color-accent);
}

.calc-field-error {
    font-size: 0.85rem;
    color: #B3261E;
    min-height: 1.1em;
}

.calc-field-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 14px;
}

/* Size step area preview + approximate toggle */

.calc-area-preview {
    font-size: 0.95rem;
    margin-top: -4px;
    margin-bottom: 16px;
}

.calc-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.92rem;
    color: var(--color-text-muted);
    margin-bottom: 16px;
    cursor: pointer;
}

.calc-checkbox input {
    margin-top: 3px;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.calc-size__approx {
    display: none;
}

.calc-size[data-mode="approximate"] .calc-size__manual {
    display: none;
}

.calc-size[data-mode="approximate"] .calc-size__approx {
    display: flex;
}

/* Result summary */

.calc-result__intro {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.calc-summary {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.calc-summary__row {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding-block: 8px;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.95rem;
}

.calc-summary__row dt {
    color: var(--color-text-muted);
}

.calc-summary__row dd {
    font-weight: 700;
    text-align: right;
}

.calc-price {
    background-color: var(--color-bg);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
}

.calc-price__label {
    font-weight: 800;
    margin-bottom: 10px;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-muted);
}

.calc-price__loading {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.calc-price__range {
    font-size: clamp(1.3rem, 1.05rem + 1vw, 1.7rem);
    font-weight: 800;
    letter-spacing: -0.01em;
    color: var(--color-accent-dark);
    margin-bottom: 6px;
}

.calc-price__per-m2 {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-bottom: 14px;
}

.calc-price__note {
    color: var(--color-text-muted);
    font-size: 0.82rem;
    max-width: 46ch;
    margin-inline: auto;
}

.calc-price__error-text {
    color: #B3261E;
    font-size: 0.95rem;
    margin-bottom: 12px;
}

.calc-price__retry {
    font: inherit;
    font-weight: 700;
    font-size: 0.9rem;
    background-color: var(--color-surface);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius);
    padding: 10px 18px;
    cursor: pointer;
    color: var(--color-text);
}

.calc-price__retry:hover {
    border-color: var(--color-accent);
}

/* Scope: что входит / не входит в расчёт */

.calc-scope {
    margin-top: 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 14px 16px;
}

.calc-scope summary {
    cursor: pointer;
    font-weight: 700;
    font-size: 0.92rem;
    color: var(--color-text);
    list-style: none;
}

.calc-scope summary::-webkit-details-marker {
    display: none;
}

.calc-scope summary::before {
    content: "+ ";
    color: var(--color-accent);
    font-weight: 800;
}

.calc-scope[open] summary::before {
    content: "− ";
}

.calc-scope__columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-top: 14px;
}

.calc-scope__heading {
    font-weight: 700;
    font-size: 0.88rem;
    margin-bottom: 8px;
}

.calc-scope__col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.calc-scope__col li {
    font-size: 0.88rem;
    color: var(--color-text-muted);
    padding-left: 14px;
    position: relative;
}

.calc-scope__col li::before {
    content: "–";
    position: absolute;
    left: 0;
    color: var(--color-border);
}

/* Next step CTA */

.calc-next-step {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.calc-next-step__title {
    font-size: 1.05rem;
    font-weight: 800;
    margin-bottom: 6px;
}

.calc-next-step__text {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

/* Contact step (PROMPT 6) */

.calc-contact-recap {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 14px 16px;
    margin-bottom: 20px;
}

.calc-contact-recap__title {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-muted);
    margin-bottom: 4px;
}

.calc-contact-recap__text {
    font-size: 0.92rem;
    font-weight: 600;
}

.calc-contact-label {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.calc-contact-label__optional {
    font-weight: 400;
    color: var(--color-text-muted);
    text-transform: none;
    letter-spacing: normal;
}

.calc-options--compact {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
}

.calc-option--compact {
    min-height: 40px;
    padding: 9px 14px;
    font-size: 0.88rem;
    font-weight: 600;
}

.calc-contact__company {
    margin-top: -6px;
}

.calc-checkbox--consent {
    align-items: flex-start;
    font-size: 0.85rem;
    line-height: 1.4;
}

.calc-checkbox--consent a {
    color: var(--color-accent);
    text-decoration: underline;
}

.calc-contact__submit {
    width: 100%;
    margin-top: 4px;
}

.calc-contact__submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.calc-contact-success {
    text-align: center;
    padding: 28px 12px;
}

.calc-contact-success__title {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--color-accent-dark);
    margin-bottom: 12px;
}

.calc-contact-success__text {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    max-width: 42ch;
    margin-inline: auto;
    margin-bottom: 8px;
}

.calc-contact-success__text strong {
    color: var(--color-text);
}

/* Nav */

.calculator__error {
    color: #B3261E;
    font-size: 0.9rem;
    min-height: 1.2em;
    margin-top: 4px;
}

.calculator__error--advisory {
    color: var(--color-accent);
}

.calculator__nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-top: 24px;
}

.calc-nav-back {
    font: inherit;
    font-weight: 700;
    font-size: 0.95rem;
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 12px 8px;
}

.calc-nav-back:hover {
    color: var(--color-text);
}

.calc-nav-next {
    margin-left: auto;
}

/* --------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------- */

.site-footer {
    background-color: var(--color-footer-bg);
    color: var(--color-footer-text);
    padding-block: 40px;
}

.site-footer__inner {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.site-footer__brand {
    max-width: 420px;
}

.site-footer__logo {
    font-weight: 800;
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.site-footer__note {
    font-size: 0.85rem;
    color: var(--color-footer-text-muted);
    line-height: 1.5;
}

.site-footer__links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 20px;
}

.site-footer__links a {
    font-size: 0.85rem;
    color: var(--color-footer-text);
    text-decoration: none;
}

.site-footer__links a:hover {
    text-decoration: underline;
}

@media (min-width: 860px) {
    .site-footer__inner {
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-start;
    }

    .site-footer__links {
        max-width: 460px;
        justify-content: flex-end;
    }
}

/* --------------------------------------------------------------------
   Юридические страницы (/privacy, /consent, /consent-transfer)
   -------------------------------------------------------------------- */

.legal-page {
    padding-block: clamp(32px, 6vw, 56px);
}

.legal-page__inner {
    max-width: 720px;
}

.legal-page__updated {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin-bottom: 28px;
}

.legal-page h1 {
    font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2rem);
    font-weight: 800;
    letter-spacing: -0.01em;
    margin-bottom: 8px;
}

.legal-page h2 {
    font-size: 1.15rem;
    font-weight: 800;
    margin-top: 32px;
    margin-bottom: 12px;
}

.legal-page h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-top: 20px;
    margin-bottom: 8px;
}

.legal-page p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--color-text);
    margin-bottom: 12px;
}

.legal-page ul {
    margin: 0 0 12px 0;
    padding-left: 20px;
}

.legal-page li {
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 6px;
}

.legal-page a {
    color: var(--color-accent);
}

.legal-page__back {
    display: inline-block;
    margin-top: 32px;
    font-size: 0.9rem;
    font-weight: 600;
}