/* =============================================================================
   Адаптивные стили (media queries)
   Подключается отдельным <link> после css/styles.css

   Сетка брейкпоинтов:
   · 560 — телефон (max) / планшетные формы (min)
   · 640 — sm+
   · 768 — ниже md / md+
   · 960 — ниже lg / lg+
   ============================================================================= */

/* --- 560+: шире телефона (перед max-560: на ровно 560px гамбургер снова включается) --- */
@media (min-width: 560px) {
  .nav-toggle {
    display: none;
  }

  .calc-form-pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }
}

/* --- 560: телефон --- */
@media (max-width: 560px) {
  .header-inner {
    flex-wrap: wrap;
    row-gap: 1rem;
  }

  .header-inner > .logo {
    padding-right: calc(42px + 15px + 42px + 0.5rem);
  }

  .nav-toggle {
    display: inline-flex;
  }

  /* Без :has(.nav-toggle): меню скрыто сразу в HTML, без CLS после JS */
  .nav-main {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border-top: 1px solid var(--border);
    margin-top: 0.15rem;
  }

  .site-header.is-nav-open .nav-main {
    display: flex;
  }

  .nav-main a {
    display: block;
    padding: 0.25rem 0.25rem;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
  }

  .nav-main a:last-child {
    border-bottom: 0;
  }

  .btn-header {
    font-size: 0.75rem;
    padding: 0.4rem 0.55rem;
  }

  .home-stepper {
    flex-basis: 2.1rem;
    width: 2.1rem;
    height: 2.1rem;
  }

  .home-slider__row input:not([type="range"]) {
    height: 2.1rem;
    font-size: 16px;
  }

  .home-demo {
    padding: 1rem 0.85rem 1.15rem;
  }

  .home-presets {
    flex-wrap: nowrap;
    gap: 0.22rem;
    margin-bottom: 0.75rem;
  }

  .home-preset {
    flex: 1 1 0;
    min-width: 0;
    padding: 0.24rem 0.22rem;
    font-size: clamp(0.58rem, 2.7vw, 0.72rem);
    line-height: 1.2;
    letter-spacing: -0.03em;
    text-align: center;
    white-space: nowrap;
  }

  .home-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.35rem 0.28rem;
  }

  .home-metric__label {
    font-size: clamp(0.6rem, 2.5vw, 0.72rem);
    line-height: 1.2;
  }

  .home-metric__value,
  .home-metric__value--muted {
    font-size: clamp(0.75rem, 3.3vw, 0.95rem);
    letter-spacing: -0.03em;
    white-space: nowrap;
  }

  .home-compare__metrics .home-metric__label {
    font-size: clamp(0.6rem, 2.5vw, 0.72rem);
    line-height: 1.2;
  }

  .home-compare__metrics .home-metric__value,
  .home-compare__metrics .home-metric__value--muted {
    font-size: clamp(0.75rem, 3.3vw, 0.95rem);
  }

  .header-inner > .header-actions {
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
    scrollbar-width: thin;
    max-width: 100%;
    min-width: 0;
  }

  .header-inner > .header-actions > .btn-header {
    flex-shrink: 0;
  }

  .saved-calc-bar--improve {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }

  .saved-calc-bar--improve .saved-calc-bar__main {
    flex: none;
    width: 100%;
  }

  .saved-calc-bar--improve .saved-calc-improve {
    margin-left: 0;
    align-self: flex-start;
  }

  .saved-calc-card__actions > .saved-calc-open {
    flex: 1 1 100%;
  }

  .article-charts {
    padding: 1rem 0.9rem 1.15rem;
  }

  .article-chart-embed {
    padding: 0.9rem 0.85rem 1rem;
  }

  .calc-page--legal-doc,
  .calc-page--wide {
    padding: clamp(1rem, 3vw, 1.5rem) 0 2.25rem;
    padding-left: max(0.75rem, env(safe-area-inset-left));
    padding-right: max(0.75rem, env(safe-area-inset-right));
  }

  .calc-page--legal-doc > .container,
  .calc-page--wide > .container {
    width: min(100% - clamp(0.875rem, 4vw, 1.25rem), var(--container));
  }

  .calc-page--legal-doc h1,
  .calc-page--wide h1 {
    font-size: clamp(1.35rem, 5vw, 1.65rem);
    line-height: 1.25;
  }

  .calc-page--legal-doc .calc-lead,
  .calc-page--wide .calc-lead {
    font-size: 0.95rem;
    line-height: 1.55;
    margin-bottom: 1.25rem;
  }

  .calc-page--legal-doc .breadcrumb,
  .calc-page--wide .breadcrumb {
    font-size: 0.8125rem;
    line-height: 1.45;
    margin-bottom: 1rem;
  }

  .calc-page--legal-doc .legal-doc {
    margin-top: 1.15rem;
  }

  .calc-page--legal-doc .legal-doc__section {
    margin-bottom: 1.15rem;
  }

  .calc-page--legal-doc .legal-doc__section h2 {
    font-size: 0.98rem;
    line-height: 1.35;
  }

  .calc-page--legal-doc .legal-doc__section p,
  .calc-page--legal-doc .legal-doc__section ul {
    font-size: 0.9375rem;
    line-height: 1.62;
  }

  .calc-page--legal-doc .legal-doc__section ul {
    padding-left: 1.1rem;
  }

  .calc-page--legal-doc .legal-doc__note,
  .calc-page--legal-doc .field-hint {
    font-size: 0.875rem;
    line-height: 1.55;
  }

  .sp-strategy-narrative {
    max-height: min(52vh, 24rem);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: auto;
  }

  .sp-demo .sp-strategy-narrative {
    max-height: none;
    overflow: visible;
  }

  .sp-page-intro {
    max-height: min(52vh, 24rem);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: auto;
    padding: 0.85rem 0.9rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-muted);
  }

  .master-plan-table--debts {
    min-width: 23.5rem;
    font-size: 0.74rem;
  }

  .master-plan-table--debts th,
  .master-plan-table--debts td {
    padding: 0.3rem 0.12rem;
  }

  .master-plan-table--debts td.sp-col-debt {
    max-width: 7.5rem;
  }

  .master-plan-table--debts .sp-cell-line {
    margin-bottom: 0.2rem;
  }

  .calc-result .calc-result__grid {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }

  .calc-result .calc-metric,
  .sp-demo .calc-metric {
    padding: 0.7rem 0.85rem;
  }

  .calc-result .calc-metric__label,
  .sp-demo .calc-metric__label {
    font-size: 0.7rem;
    overflow-wrap: anywhere;
  }

  .calc-result .calc-metric__value,
  .sp-demo .calc-metric__value {
    font-size: 1.1rem;
    overflow-wrap: anywhere;
  }

  .calc-table {
    min-width: 24rem;
    font-size: 0.78rem;
  }

  .calc-table th,
  .calc-table td {
    padding: 0.35rem 0.25rem;
  }

  .calc-compare {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .calc-compare__col {
    padding: 0.85rem 0.9rem;
  }

  .calc-compare__heading {
    font-size: 0.9rem;
    line-height: 1.35;
  }

  .calc-compare__col .calc-metric {
    padding: 0.7rem 0.85rem;
  }

  .calc-compare__col .calc-metric__label {
    font-size: 0.7rem;
    overflow-wrap: anywhere;
  }

  .calc-compare__col .calc-metric__value {
    font-size: 1.1rem;
    overflow-wrap: anywhere;
  }

  /* было max-width: 480px */
  .landing-sverka .lp-demo-fields {
    grid-template-columns: 1fr;
  }

  /* было max-width: 639px — подписки на телефоне */
  .calc-form:has(.subs-rows) {
    padding: 1rem 0.9rem;
  }

  .subs-income-field {
    max-width: none;
  }

  .subs-rows .subs-row {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "keep remove"
      "name name"
      "amount period";
    gap: 0.65rem 0.5rem;
    align-items: end;
    padding: 0.85rem 0.9rem;
    margin-bottom: 0.85rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-page);
  }

  .subs-rows .subs-row > .subs-row__keep {
    grid-area: keep;
    align-self: center;
  }

  .subs-rows .subs-row > .subs-row__remove {
    grid-area: remove;
    margin-bottom: 0;
  }

  .subs-rows .subs-row > .subs-row__name {
    grid-area: name;
  }

  .subs-rows .subs-row > .subs-row__amount {
    grid-area: amount;
  }

  .subs-rows .subs-row > .subs-row__period {
    grid-area: period;
  }

  .subs-rows .subs-row .field input,
  .subs-rows .subs-row .field select,
  .subs-income-field input {
    font-size: 16px;
  }

  .subs-keep-hint {
    font-size: 0.78rem;
  }

  .calc-form:has(.subs-rows) .calc-form__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .calc-form:has(.subs-rows) .calc-form__actions .btn {
    width: 100%;
    justify-content: center;
  }

  .calc-page--kalkulyator .calc-result {
    padding: 1rem 0.85rem;
  }

  .subs-income-block__value {
    font-size: 1.5rem;
  }

  .subs-income-note {
    padding: 0.7rem 0.8rem;
    font-size: 0.86rem;
  }

  .subs-breakdown-table {
    min-width: 20.5rem;
    font-size: 0.78rem;
  }

  .subs-breakdown-table th,
  .subs-breakdown-table td {
    padding: 0.4rem 0.45rem;
    white-space: nowrap;
  }

  .subs-breakdown-table th:first-child,
  .subs-breakdown-table td:first-child {
    position: sticky;
    left: 0;
    z-index: 1;
    background: var(--bg-muted);
    box-shadow: 1px 0 0 var(--border);
    white-space: normal;
    max-width: 8.5rem;
  }

  .subs-table-wrap::after {
    content: "← листайте таблицу →";
    display: block;
    margin-top: 0.4rem;
    font-size: 0.72rem;
    color: var(--text-muted);
    text-align: center;
  }
}

/* --- 640: sm+ --- */
@media (min-width: 640px) {
  .calc-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .home-metrics {
    grid-template-columns: repeat(3, 1fr);
  }

  .home-compare__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .home-pro-timeline {
    grid-template-columns: repeat(3, 1fr);
  }

  .calc-result__grid--dense {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  }

  .calc-result__grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }

  .calc-result__podushka-deposit-row {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }

  .calc-result__inflation-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
  }

  .calc-result__grid--debt-compare:has(> .debt-result-section:nth-child(2)) {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
    gap: 1.25rem;
  }

  .calc-result__grid--debt-compare:has(> .debt-result-section:nth-child(2))
    > .debt-result-section
    + .debt-result-section {
    margin-top: 0;
  }

  .footer-inner {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
  }

  .subs-rows .subs-row {
    grid-template-columns: auto minmax(0, 1.4fr) minmax(0, 1fr) minmax(6.5rem, 0.9fr) 2.75rem;
    grid-template-areas: "keep name amount period remove";
  }

  .subs-rows .subs-row > .subs-row__keep {
    grid-area: keep;
  }

  .subs-rows .subs-row > .subs-row__name {
    grid-area: name;
  }

  .subs-rows .subs-row > .subs-row__amount {
    grid-area: amount;
  }

  .subs-rows .subs-row > .subs-row__period {
    grid-area: period;
  }

  .subs-rows .subs-row > .subs-row__remove {
    grid-area: remove;
  }

  .subs-income-block__row {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 1rem;
  }

  .landing-sverka .lp-why-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .landing-sverka .lp-method-grid {
    grid-template-columns: 1fr 1fr;
  }

  .landing-sverka .lp-plans {
    grid-template-columns: 1fr 1fr;
  }

  /* было (min-width: 640px) and (width < 960px) — на lg переопределяется */
  .sp-summary-row {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  }
}

/* --- 768: ниже md --- */
@media (width < 768px) {
  #kak-rabotaet {
    padding: clamp(1.75rem, 4vw, 2.5rem) 0;
  }

  #kak-rabotaet h2 {
    margin-bottom: 1rem;
  }

  #kak-rabotaet .two-col {
    gap: 1.15rem;
  }

  #kak-rabotaet .two-col > div > p {
    margin: 0;
    font-size: 0.9375rem;
    line-height: 1.62;
  }

  #kak-rabotaet .checklist {
    padding: 1rem 1rem 0.65rem 1.35rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
  }

  #kak-rabotaet .checklist li {
    margin-bottom: 0.5rem;
    line-height: 1.5;
  }

  #kak-rabotaet .checklist li:last-child {
    margin-bottom: 0;
  }

  .sp-debt-dynamic {
    overflow-x: visible;
  }

  .sp-debt-row,
  .sp-inst-row,
  .sp-two-cols {
    grid-template-columns: 1fr;
    min-width: 0;
  }

  .sp-debt-row > .field input,
  .sp-debt-row > .field select,
  .sp-debt-row .rate-field__inputs .d-rate,
  .sp-debt-row .rate-field__inputs .sp-d-rate,
  .sp-debt-row .rate-field__inputs .d-rate-kind,
  .sp-debt-row .rate-field__inputs .sp-d-rate-kind {
    max-width: none;
  }

  .sp-debt-row .rate-field__inputs {
    flex-direction: row;
    flex-wrap: nowrap;
  }

  .debt-payment-phase {
    font-size: 0.85rem;
    overflow-wrap: anywhere;
  }

  .calc-result__grid--debt-compare > .debt-result-section + .debt-result-section {
    margin-top: 1rem;
  }

  .calc-offer-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.35rem;
    margin: 0 0 0.85rem;
    padding: 0.3rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-muted);
  }

  .calc-offer-tabs__btn {
    margin: 0;
    padding: 0.65rem 0.75rem;
    border: none;
    border-radius: calc(var(--radius-sm) - 2px);
    background: transparent;
    color: var(--text-muted, var(--text));
    font: inherit;
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    cursor: pointer;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .calc-offer-tabs__btn:hover {
    color: var(--text);
  }

  .calc-offer-tabs__btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
  }

  .calc-offer-tabs__btn.is-active {
    background: var(--bg-elevated);
    color: var(--accent);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
  }

  .calc-form--compare-offers .calc-form-section__title {
    display: none;
  }

  .calc-form-offers[data-active-offer="a"] .calc-form-section[data-offer="b"],
  .calc-form-offers[data-active-offer="b"] .calc-form-section[data-offer="a"] {
    display: none;
  }

  .calc-form--credit-card .field input,
  .calc-form--credit-card .field select {
    max-width: none;
    font-size: 16px;
  }

  .calc-form--credit-card .calc-form__actions .btn {
    width: 100%;
    justify-content: center;
  }

  .cc-verdict {
    padding: 0.75rem 0.85rem;
    font-size: 0.9375rem;
  }

  .calc-form--ipoteka .field {
    margin-bottom: 0.85rem;
  }

  .calc-form--ipoteka .calc-form-pair {
    gap: 0.55rem 0.75rem;
  }

  .calc-form--ipoteka .calc-form-pair .field {
    margin-bottom: 0.55rem;
  }

  .calc-form--ipoteka .calc-form-pair .field:last-child {
    margin-bottom: 0.85rem;
  }

  .master-plan-table {
    min-width: 28rem;
    font-size: 0.78rem;
  }

  .master-plan-table--savings {
    min-width: 22rem;
  }

  .master-plan-table th,
  .master-plan-table td {
    padding: 0.35rem 0.3rem;
  }

  .master-plan-table--debts {
    min-width: 26rem;
  }

  .master-plan-table--debts th,
  .master-plan-table--debts td {
    padding: 0.35rem 0.2rem;
  }

  .master-plan-table--debts td.sp-col-debt {
    max-width: 8.5rem;
  }

  .master-plan-table--debts td.sp-col-int,
  .master-plan-table--debts td.sp-col-prin,
  .master-plan-table--debts td.sp-col-bal {
    padding-left: 0.15rem;
    padding-right: 0.15rem;
  }

  .master-plan-table th:first-child,
  .master-plan-table td:first-child {
    position: sticky;
    left: 0;
    z-index: 1;
    background: var(--bg-elevated);
    box-shadow: 1px 0 0 var(--border);
  }

  .master-plan-table th:first-child {
    background: var(--bg-muted);
    z-index: 2;
  }

  .master-plan-table tr.calc-schedule__expand td {
    font-size: 0.8rem;
    position: static;
    box-shadow: none;
  }

  .calc-result .saved-calc-bar.saved-calc-bar--improve {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }

  .calc-result .saved-calc-bar__main {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

  .calc-result .saved-calc-bar__main .btn,
  .calc-result .saved-calc-improve {
    width: 100%;
    margin-left: 0;
    align-self: stretch;
  }

  .calc-table-wrap {
    max-width: 100%;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
    scrollbar-width: thin;
  }

  .calc-table {
    min-width: 26rem;
    font-size: 0.8rem;
  }

  .calc-table th,
  .calc-table td {
    padding: 0.4rem 0.3rem;
  }

  .calc-table th:first-child,
  .calc-table td:first-child {
    position: sticky;
    left: 0;
    z-index: 1;
    background: var(--bg-elevated);
    box-shadow: 1px 0 0 var(--border);
  }

  .calc-result .calc-table th:first-child,
  .calc-result .calc-table td:first-child {
    background: var(--bg-muted);
  }

  .calc-table th:first-child {
    background: var(--bg-muted);
    z-index: 2;
  }

  .calc-table tr.calc-schedule__expand td {
    font-size: 0.8rem;
    position: static;
    box-shadow: none;
    white-space: normal;
  }

  .calc-compare-table-wrap .calc-compare-table {
    min-width: 0;
  }

  .calc-compare-table-wrap .calc-compare-table th:first-child,
  .calc-compare-table-wrap .calc-compare-table td:first-child,
  .calc-compare-table-wrap .calc-compare-table tbody th {
    position: static;
    box-shadow: none;
    background: transparent;
  }

  .calc-compare__col > .saved-calc-bar.saved-calc-bar--improve {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }

  .calc-compare__col .saved-calc-bar__main {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

  .calc-compare__col .saved-calc-bar__main .btn,
  .calc-compare__col .saved-calc-improve {
    width: 100%;
    margin-left: 0;
    align-self: stretch;
  }

  .calc-compare--cards {
    display: none;
  }

  .calc-compare-table-wrap {
    display: block;
  }
}

/* --- 768: md+ --- */
@media (min-width: 768px) {
  .two-col {
    gap: 1.5rem;
    grid-template-columns: 1fr 1fr;
  }

  .calc-form-offers {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
  }

  .calc-form-offers .calc-form-section[hidden] {
    display: block !important;
  }

  .landing-sverka .lp-steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .landing-sverka .lp-case {
    grid-template-columns: 1fr auto 1fr;
    align-items: stretch;
  }

  .landing-sverka .lp-case__arrow {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    color: var(--text-muted);
  }

  .landing-sverka .lp-access-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* --- 960: ниже lg --- */
@media (width < 960px) {
  :root {
    /* логотип + меню + кнопки — три ряда */
    --header-offset: 10.5rem;
  }

  .header-inner > .nav-main {
    flex: 1 1 100%;
    width: 100%;
  }

  .header-inner > .header-actions {
    flex: 1 1 100%;
    width: 100%;
    margin-left: 0;
  }
}

/* --- 960: lg+ --- */
@media (min-width: 960px) {
  .calc-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .hero-inner {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: start;
  }

  .home-demo__actions {
    flex-direction: row;
  }

  .home-demo__actions .btn {
    width: auto;
    flex: 1;
  }

  .article-charts__grid:not(.article-charts__grid--stack) {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .article-charts__grid:not(.article-charts__grid--stack) .chart-panel--wide {
    grid-column: 1 / -1;
  }

  .sp-summary-row--budget,
  .sp-summary-row--debts,
  .sp-summary-row--savings {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .sp-summary-row--extra {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  }

  /* десктопная сетка подписок (вместо промежуточного 640–899) */
  .subs-rows .subs-row {
    grid-template-columns: 6.5rem minmax(0, 1.4fr) minmax(0, 1fr) 7.5rem 2.75rem;
    grid-template-areas: unset;
  }

  .subs-rows .subs-row > .subs-row__keep,
  .subs-rows .subs-row > .subs-row__name,
  .subs-rows .subs-row > .subs-row__amount,
  .subs-rows .subs-row > .subs-row__period,
  .subs-rows .subs-row > .subs-row__remove {
    grid-area: auto;
  }
}

/* телефон: перекрыть --header-offset из (width < 960px) */
@media (max-width: 560px) {
  :root {
    /* логотип + кнопки; меню в гамбургере */
    --header-offset: 7.5rem;
  }
}