:root {
  --bg: #f4ebdd;
  --surface: #fff8ef;
  --surface-strong: #f0dcc4;
  --surface-muted: #ead3b8;

  --text: #2b2118;
  --muted: #7b6654;

  --primary: #8b5e34;
  --primary-dark: #5c3b22;
  --primary-soft: #d8b68f;

  --accent: #c48a4a;
  --border: #d8c2a9;

  --success: #3f6f4e;
  --warning: #a96f2b;
  --danger: #9d3f32;

  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-soft: 0 18px 44px rgba(92, 59, 34, 0.11);
  --shadow-tight: 0 8px 24px rgba(92, 59, 34, 0.08);
  --focus: 0 0 0 3px rgba(196, 138, 74, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at top left, rgba(255, 248, 239, 0.95), transparent 260px),
    linear-gradient(180deg, #f4ebdd 0%, #ead6bf 100%);
  color: var(--text);
  font-family: "Onest", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

body.sticky-active {
  padding-bottom: 128px;
}

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

button,
a,
input,
select,
textarea {
  -webkit-tap-highlight-color: rgba(139, 94, 52, 0.16);
}

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

.page-shell {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  padding: 14px 14px 28px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 8px 0 14px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  color: var(--primary-dark);
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--primary-dark);
  color: var(--surface);
  font-size: 17px;
  box-shadow: var(--shadow-tight);
}

.language-switcher {
  display: grid;
  grid-template-columns: repeat(4, minmax(42px, 1fr));
  gap: 4px;
  margin-left: auto;
  padding: 4px;
  border: 1px solid rgba(216, 194, 169, 0.9);
  border-radius: 999px;
  background: rgba(255, 248, 239, 0.74);
  box-shadow: var(--shadow-tight);
}

.lang-button {
  min-width: 42px;
  min-height: 42px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
}

.lang-button.is-active {
  background: var(--primary-dark);
  color: var(--surface);
}

.section-block {
  margin: 12px 0;
}

.hero,
.calculator-card,
.results-card,
.advanced-shell,
.cta-card {
  border: 1px solid rgba(216, 194, 169, 0.86);
  border-radius: var(--radius-lg);
  background: rgba(255, 248, 239, 0.92);
  box-shadow: var(--shadow-soft);
}

.hero {
  padding: 30px 20px 22px;
  overflow: hidden;
}

.hero-kicker,
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 3px 10px;
  border: 1px solid rgba(196, 138, 74, 0.26);
  border-radius: 999px;
  background: rgba(240, 220, 196, 0.74);
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  margin: 15px 0 12px;
  color: var(--text);
  font-size: clamp(32px, 11vw, 46px);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero p,
.section-heading p,
.diagnosis-box p,
.cta-card p,
.field small,
.form-message {
  color: var(--muted);
}

.hero p {
  margin: 0 0 22px;
  font-size: 16px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  width: 100%;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 12px 18px;
  cursor: pointer;
  font-weight: 800;
  text-align: center;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, color 160ms ease;
}

.button:active,
.advanced-toggle:active,
.accordion-trigger:active,
.lang-button:active {
  transform: translateY(1px);
}

.primary-button {
  background: var(--primary-dark);
  color: var(--surface);
  box-shadow: 0 14px 28px rgba(92, 59, 34, 0.2);
}

.primary-button:hover {
  background: #4b2f1b;
}

.secondary-button {
  border-color: var(--border);
  background: #fff5e8;
  color: var(--primary-dark);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.62;
  box-shadow: none;
}

.calculator-card,
.results-card,
.cta-card {
  padding: 18px;
}

.section-heading {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.section-heading.compact {
  margin-bottom: 12px;
}

.section-heading h2 {
  margin: 0;
  font-size: 25px;
  line-height: 1.08;
  letter-spacing: 0;
}

.section-heading p {
  margin: 0;
  font-size: 14px;
}

.form-grid,
.lead-form {
  display: grid;
  grid-template-columns: 1fr;
  align-items: start;
  gap: 20px;
  min-width: 0;
}

.form-grid > *,
.lead-form > * {
  min-width: 0;
}

fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

legend {
  grid-column: 1 / -1;
  width: 100%;
  margin-bottom: 0;
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 800;
}

.field,
.form-field {
  display: flex;
  flex-direction: column;
  align-self: start;
  gap: 8px;
  min-width: 0;
}

.field label,
.form-field label,
.form-label,
label {
  display: block;
  color: var(--text);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.25;
}

input,
select,
.form-control,
textarea {
  box-sizing: border-box;
  flex: none;
  width: 100%;
  min-width: 0;
  min-height: 60px;
  height: 60px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fffaf3;
  color: var(--text);
  font: inherit;
  font-size: 18px;
  line-height: 1.2;
  padding: 0 18px;
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

textarea,
textarea.form-control {
  min-height: 120px;
  height: auto;
  padding-top: 16px;
  padding-bottom: 16px;
  line-height: 1.45;
  resize: vertical;
}

select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--primary-dark) 50%),
    linear-gradient(135deg, var(--primary-dark) 50%, transparent 50%);
  background-position:
    calc(100% - 19px) calc(50% + 1px),
    calc(100% - 14px) calc(50% + 1px);
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 40px;
}

input:focus,
select:focus,
textarea:focus,
button:focus-visible,
a:focus-visible {
  border-color: var(--accent);
  box-shadow: var(--focus);
  outline: none;
}

.field-help,
.form-help,
.helper-text,
.field small {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.38;
}

.primary-result {
  display: grid;
  gap: 12px;
  padding: 16px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--primary-dark), #76502e);
  color: var(--surface);
}

.primary-result span {
  display: block;
  color: rgba(255, 248, 239, 0.76);
  font-size: 13px;
  font-weight: 700;
}

.primary-result strong {
  display: block;
  margin-top: 3px;
  max-width: 100%;
  font-size: 38px;
  line-height: 1;
  letter-spacing: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  width: fit-content;
  max-width: 100%;
  padding: 6px 11px;
  border-radius: 999px;
  background: rgba(255, 248, 239, 0.13);
  color: #fff8ef;
  font-size: 13px;
  font-weight: 800;
  line-height: 1.25;
  text-align: center;
  word-break: normal;
}

.status-pill[data-status="marketingProfitable"],
.status-pill[data-status="businessProfitable"] {
  background: rgba(63, 111, 78, 0.24);
  color: #fff8ef;
}

.status-pill[data-status="marketingProfitableBusinessUnprofitable"] {
  background: rgba(169, 111, 43, 0.26);
  color: #fff8ef;
}

.status-pill[data-status="businessUnprofitablePeriod"],
.status-pill[data-status="unprofitable"] {
  background: rgba(157, 63, 50, 0.28);
  color: #fff8ef;
}

.sticky-summary [data-sticky-status][data-status="marketingProfitable"],
.sticky-summary [data-sticky-status][data-status="businessProfitable"],
.scenario-status[data-status="marketingProfitable"],
.scenario-status[data-status="businessProfitable"],
.metric-status[data-status="businessProfitable"] {
  color: var(--success);
}

.sticky-summary [data-sticky-status][data-status="marketingProfitableBusinessUnprofitable"],
.scenario-status[data-status="marketingProfitableBusinessUnprofitable"] {
  color: var(--warning);
}

.sticky-summary [data-sticky-status][data-status="businessUnprofitablePeriod"],
.sticky-summary [data-sticky-status][data-status="unprofitable"],
.scenario-status[data-status="businessUnprofitablePeriod"],
.scenario-status[data-status="unprofitable"] {
  color: var(--danger);
}

.metric-status {
  display: block;
  flex: 1 0 100%;
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.25;
  text-align: left;
  word-break: normal;
  overflow-wrap: anywhere;
}

.metric-status[data-status="businessUnprofitablePeriod"] {
  color: var(--danger);
}

.results-grid,
.summary-stack {
  display: grid;
  gap: 10px;
  margin-top: 14px;
  width: 100%;
  min-width: 0;
}

.metric-card,
.summary-card,
.scenario-card,
.channel-card {
  min-width: 0;
  border: 1px solid rgba(216, 194, 169, 0.86);
  border-radius: var(--radius-md);
  background: #fffaf3;
  box-shadow: 0 8px 18px rgba(92, 59, 34, 0.05);
}

.metric-card,
.summary-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 13px 14px;
}

.metric-card span,
.summary-card span,
.channel-result span,
.sticky-summary span {
  flex: 1 1 auto;
  min-width: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.3;
  word-break: normal;
  overflow-wrap: anywhere;
}

.metric-card strong,
.summary-card strong,
.channel-result strong {
  flex: 0 0 auto;
  max-width: 58%;
  color: var(--text);
  font-size: 17px;
  text-align: right;
  overflow: hidden;
  overflow-wrap: normal;
  text-overflow: ellipsis;
  white-space: nowrap;
  word-break: normal;
}

.diagnosis-box {
  display: grid;
  gap: 6px;
  margin-top: 14px;
  padding: 14px;
  border: 1px solid rgba(196, 138, 74, 0.25);
  border-radius: var(--radius-md);
  background: #fff2e2;
}

.break-even-gap {
  display: grid;
  gap: 10px;
  margin-top: 14px;
  padding: 14px;
  border: 1px solid rgba(169, 111, 43, 0.24);
  border-radius: var(--radius-md);
  background: #fff4e7;
}

.break-even-gap[hidden] {
  display: none;
}

.break-even-gap > span {
  color: var(--primary-dark);
  font-weight: 800;
}

.break-even-gap p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.gap-grid {
  display: grid;
  gap: 8px;
  width: 100%;
  min-width: 0;
}

.gap-metric {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid rgba(216, 194, 169, 0.62);
}

.gap-metric span {
  flex: 1 1 auto;
  min-width: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.3;
  word-break: normal;
  overflow-wrap: anywhere;
}

.gap-metric strong {
  flex: 0 0 auto;
  max-width: 58%;
  color: var(--danger);
  font-size: 17px;
  text-align: right;
  overflow: hidden;
  overflow-wrap: normal;
  text-overflow: ellipsis;
  white-space: nowrap;
  word-break: normal;
}

.diagnosis-box span {
  color: var(--primary-dark);
  font-weight: 800;
}

.diagnosis-box p {
  margin: 0;
  font-size: 14px;
}

.sticky-summary {
  position: fixed;
  right: 10px;
  bottom: 10px;
  left: 10px;
  z-index: 20;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  max-width: 456px;
  margin: 0 auto;
  padding: 10px;
  border: 1px solid rgba(216, 194, 169, 0.9);
  border-radius: var(--radius-md);
  background: rgba(255, 250, 243, 0.96);
  box-shadow: 0 14px 34px rgba(43, 33, 24, 0.18);
  backdrop-filter: blur(12px);
}

.sticky-summary[hidden] {
  display: none;
}

.sticky-summary div {
  min-width: 0;
}

.sticky-summary div:last-child {
  grid-column: 1 / -1;
  padding-top: 8px;
  border-top: 1px solid rgba(216, 194, 169, 0.62);
}

.sticky-summary strong {
  display: block;
  margin-top: 1px;
  color: var(--text);
  font-size: 14px;
  overflow: hidden;
  overflow-wrap: normal;
  text-overflow: ellipsis;
  white-space: nowrap;
  word-break: normal;
}

.sticky-summary [data-sticky-status] {
  overflow: visible;
  overflow-wrap: anywhere;
  text-overflow: clip;
  white-space: normal;
}

.advanced-shell {
  overflow: hidden;
}

.advanced-toggle,
.accordion-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  min-height: 56px;
  border: 0;
  background: transparent;
  color: var(--primary-dark);
  cursor: pointer;
  font-weight: 800;
  text-align: left;
}

.advanced-toggle {
  padding: 18px;
  font-size: 16px;
}

.toggle-icon {
  position: relative;
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(216, 182, 143, 0.45);
}

.toggle-icon::before,
.toggle-icon::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 11px;
  height: 2px;
  border-radius: 999px;
  background: var(--primary-dark);
  content: "";
  transform: translate(-50%, -50%);
}

.toggle-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  transition: transform 160ms ease;
}

[aria-expanded="true"] > .toggle-icon::after,
[aria-expanded="true"] .toggle-icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.advanced-model {
  padding: 0 18px 18px;
}

.advanced-model[hidden] {
  display: none;
}

.accordion-list {
  display: grid;
  gap: 10px;
}

.accordion-panel {
  overflow: hidden;
  border: 1px solid rgba(216, 194, 169, 0.86);
  border-radius: var(--radius-md);
  background: rgba(255, 250, 243, 0.72);
}

.accordion-trigger {
  padding: 15px;
}

.accordion-content {
  padding: 0 15px 15px;
}

.accordion-content[hidden] {
  display: none;
}

.channel-list {
  display: grid;
  gap: 12px;
  width: 100%;
  min-width: 0;
}

.channel-card {
  padding: 14px;
}

.channel-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.channel-card-title {
  margin: 0;
  color: var(--primary-dark);
  font-size: 17px;
}

.remove-channel {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  border: 1px solid rgba(157, 63, 50, 0.2);
  border-radius: 50%;
  background: #fff2e9;
  color: var(--danger);
  cursor: pointer;
  font-size: 22px;
  line-height: 1;
}

.channel-results {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin-top: 12px;
  width: 100%;
  min-width: 0;
}

.channel-result {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 0;
  border-top: 1px solid rgba(216, 194, 169, 0.62);
}

.add-channel-button {
  margin-top: 14px;
}

.scenario-list,
.scenarios {
  display: grid;
  gap: 16px;
  margin-top: 14px;
  width: 100%;
  min-width: 0;
}

.scenario-tabs {
  display: flex;
  gap: 8px;
  width: 100%;
  min-width: 0;
  padding: 4px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-strong);
  overflow: hidden;
}

.scenario-tab {
  flex: 1;
  min-height: 44px;
  min-width: 0;
  border: 0;
  border-radius: 999px;
  padding: 10px 12px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.scenario-tab.is-active {
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 2px 10px rgba(43, 33, 24, 0.08);
}

.scenario-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  width: 100%;
  min-width: 0;
}

.scenario-card {
  display: grid;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  gap: 0;
  padding: 18px;
}

.scenario-card[hidden] {
  display: none;
}

.scenario-card__title {
  margin: 0 0 16px;
  color: var(--primary-dark);
  font-size: 20px;
  line-height: 1.2;
}

.scenario-metrics {
  display: grid;
  gap: 10px;
}

.scenario-metric {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.scenario-metric__label {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.3;
}

.scenario-card .scenario-metric__value {
  color: var(--text);
  font-size: 16px;
  font-weight: 800;
  line-height: 1.3;
  text-align: right;
  white-space: nowrap;
  word-break: normal;
  overflow-wrap: normal;
}

.scenario-status {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: var(--surface-strong);
  color: var(--text);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.45;
  word-break: normal;
  overflow-wrap: anywhere;
}

.lead-form {
  grid-template-columns: 1fr;
}

.submit-button {
  margin-top: 2px;
}

.form-message {
  min-height: 22px;
  margin: 0;
  font-size: 14px;
}

.form-message.is-success {
  color: var(--success);
  font-weight: 700;
}

.form-message.is-error {
  color: var(--danger);
  font-weight: 700;
}

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

  .form-grid .field label,
  .form-grid .form-field label,
  .form-grid .form-label,
  .lead-form .field label,
  .lead-form .form-field label,
  .lead-form .form-label {
    min-height: 0;
    display: block;
  }

  input,
  select,
  .form-control {
    min-height: 58px;
    height: 58px;
    font-size: 16px;
  }

  textarea,
  textarea.form-control {
    min-height: 120px;
    height: auto;
    font-size: 16px;
  }
}

@media (min-width: 768px) {
  body.sticky-active {
    padding-bottom: 28px;
  }

  .page-shell {
    max-width: 760px;
    padding: 22px 20px 44px;
  }

  .hero,
  .calculator-card,
  .results-card,
  .cta-card {
    padding: 26px;
  }

  .hero h1 {
    max-width: 660px;
    font-size: 54px;
  }

  .hero p {
    max-width: 640px;
    font-size: 18px;
  }

  .button {
    width: auto;
    min-width: 210px;
  }

  .form-grid,
  .lead-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
    column-gap: 28px;
    row-gap: 24px;
  }

  .form-grid .field label,
  .form-grid .form-field label,
  .form-grid .form-label,
  .lead-form .field label,
  .lead-form .form-field label,
  .lead-form .form-label {
    display: flex;
    min-height: 2.5em;
    align-items: flex-end;
  }

  .full-field,
  .lead-form .submit-button,
  .lead-form .form-message {
    grid-column: 1 / -1;
  }

  .results-grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  }

  .results-grid.compact-results,
  .summary-stack {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  }

  .metric-card {
    display: grid;
    gap: 6px;
  }

  .summary-card {
    display: grid;
    gap: 4px;
  }

  .metric-card strong,
  .summary-card strong {
    max-width: 100%;
    text-align: left;
  }

  .metric-status {
    text-align: left;
  }

  .primary-result {
    grid-template-columns: 1fr auto;
    align-items: end;
  }

  .sticky-summary {
    display: none;
  }

  .advanced-model {
    padding: 0 24px 24px;
  }

  .accordion-trigger {
    padding: 17px 18px;
  }

  .accordion-content {
    padding: 0 18px 18px;
  }

  .channel-results {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  }

  .scenario-tabs {
    display: none;
  }

  .scenario-grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  }

  .scenario-card[hidden] {
    display: grid;
  }
}