:root {
  --rr-emerald: #0b6b4c;
  --rr-emerald-dark: #074d37;
  --rr-emerald-soft: #e6f4ee;
  --rr-forest: #1a3c34;
  --rr-slate: #f4f6f8;
  --rr-ink: #1f2a2e;
  --rr-muted: #5c6b73;
  --rr-accent: #c6a75e;
  --rr-warning: #b35c00;
  --rr-info: #0066a1;
  --rr-radius: 12px;
  --rr-shadow: 0 10px 30px rgba(26, 60, 52, 0.08);
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--rr-slate);
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--rr-ink);
  /* Static page wash — no vertical gradient band that seams mid-content */
  background-color: var(--rr-slate);
  background-image:
    radial-gradient(900px 420px at 0% 0%, rgba(11, 107, 76, 0.1), transparent 70%),
    radial-gradient(800px 360px at 100% 0%, rgba(198, 167, 94, 0.1), transparent 65%);
  background-repeat: no-repeat;
  background-attachment: scroll;
  font-family: "Red Hat Text", "Helvetica Neue", Arial, sans-serif;
}

.rr-page {
  max-width: 980px;
  margin: 0 auto;
  padding: 1rem 1rem 2.5rem;
  display: block;
  width: 100%;
}

.rr-hero {
  position: relative;
  overflow: hidden;
  border-radius: var(--rr-radius);
  padding: 1.5rem 1.25rem 1.35rem;
  margin-bottom: 1rem;
  color: #fff;
  background:
    linear-gradient(135deg, var(--rr-forest) 0%, var(--rr-emerald) 55%, #0f8a62 100%);
  box-shadow: var(--rr-shadow);
}

.rr-hero::after {
  content: "";
  position: absolute;
  inset: auto -20% -40% 40%;
  height: 180px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.18), transparent 65%);
  pointer-events: none;
}

.rr-kicker {
  display: inline-block;
  margin: 0 0 0.5rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.rr-hero h1 {
  margin: 0 0 0.35rem;
  font-family: "Red Hat Display", "Red Hat Text", sans-serif;
  font-size: clamp(1.7rem, 5vw, 2.35rem);
  line-height: 1.15;
  font-weight: 700;
}

.rr-hero p {
  margin: 0;
  max-width: 38rem;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.98rem;
}

.rr-hero-note {
  margin-top: 0.65rem !important;
  max-width: 40rem;
  font-size: 0.88rem !important;
  color: rgba(255, 255, 255, 0.78) !important;
  font-style: italic;
}

.rr-tabs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

@media (min-width: 560px) {
  .rr-tabs {
    grid-template-columns: repeat(2, 1fr);
  }
}

.rr-tab {
  appearance: none;
  border: 1px solid transparent;
  border-radius: 10px;
  min-height: 48px;
  padding: 0.7rem 0.85rem;
  background: #fff;
  color: var(--rr-forest);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--rr-shadow);
  transition: background 0.15s ease, color 0.15s ease, transform 0.15s ease;
}

.rr-tab:hover {
  transform: translateY(-1px);
}

.rr-tab[aria-selected="true"] {
  background: var(--rr-emerald);
  color: #fff;
}

.rr-tab:focus-visible {
  outline: 3px solid rgba(11, 107, 76, 0.35);
  outline-offset: 2px;
}

.rr-grid {
  display: grid;
  gap: 1rem;
}

/* Tablet: equal-width columns with matched heights */
@media (min-width: 800px) and (max-width: 899px) {
  .rr-grid {
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
  }

  .rr-grid > .rr-card,
  .rr-grid > .rr-stack {
    min-height: 100%;
    height: 100%;
  }

  .rr-grid > .rr-stack {
    display: flex;
    flex-direction: column;
  }

  .rr-grid > .rr-stack > .rr-card {
    flex: 1 1 auto;
    min-height: 100%;
  }
}

/* Desktop: wider canvas, compact tabs, equal inputs/results, stacked lower cards */
@media (min-width: 900px) {
  .rr-page {
    max-width: 1180px;
    padding: 1.25rem 1.5rem 3rem;
  }

  .rr-hero {
    padding: 1.25rem 1.5rem 1.15rem;
    margin-bottom: 0.85rem;
  }

  .rr-hero p {
    max-width: 46rem;
  }

  .rr-tabs {
    display: inline-flex;
    grid-template-columns: none;
    width: auto;
    max-width: 960px;
    gap: 0.4rem;
    margin-bottom: 1.15rem;
  }

  .rr-tab {
    flex: 1 1 auto;
    min-width: 0;
    min-height: 42px;
    padding: 0.55rem 0.75rem;
    font-size: 0.88rem;
    white-space: nowrap;
  }

  .rr-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    align-items: stretch;
  }

  /* Match neighbour card heights in the top row */
  .rr-grid > .rr-card,
  .rr-grid > .rr-stack {
    min-height: 100%;
    height: 100%;
  }

  .rr-grid > .rr-stack {
    display: flex;
    flex-direction: column;
  }

  .rr-grid > .rr-stack > .rr-card {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    min-height: 100%;
  }

  .rr-lower {
    grid-template-columns: 1fr;
    align-items: stretch;
  }
}

.rr-card {
  background: #fff;
  border: 1px solid rgba(26, 60, 52, 0.08);
  border-radius: var(--rr-radius);
  box-shadow: var(--rr-shadow);
  padding: 1.1rem 1.1rem 1.2rem;
}

.rr-card h2 {
  margin: 0 0 0.35rem;
  font-family: "Red Hat Display", "Red Hat Text", sans-serif;
  font-size: 1.15rem;
  color: var(--rr-forest);
}

.rr-card .rr-sub {
  margin: 0 0 1rem;
  color: var(--rr-muted);
  font-size: 0.9rem;
}

.rr-field {
  display: grid;
  gap: 0.35rem;
  margin-bottom: 0.9rem;
}

.rr-field label {
  font-weight: 600;
  font-size: 0.92rem;
}

.rr-field .hint {
  color: var(--rr-muted);
  font-size: 0.8rem;
}

.rr-field input[type="number"] {
  width: 100%;
  min-height: 48px;
  border: 1px solid #c9d4d0;
  border-radius: 10px;
  padding: 0.65rem 0.8rem;
  font: inherit;
  font-size: 1.05rem;
  background: #fcfdfc;
}

.rr-field input[type="number"]:focus {
  outline: none;
  border-color: var(--rr-emerald);
  box-shadow: 0 0 0 3px rgba(11, 107, 76, 0.18);
}

.rr-driving {
  margin-top: 0.25rem;
  padding-top: 0.85rem;
  border-top: 1px dashed rgba(26, 60, 52, 0.18);
}

.rr-driving h3 {
  margin: 0 0 0.65rem;
  font-size: 1rem;
  color: var(--rr-forest);
}

.rr-driving-grid {
  display: grid;
  gap: 0.75rem;
}

.rr-driving-grid .rr-field {
  display: flex;
  flex-direction: column;
  margin-bottom: 0;
}

.rr-driving-grid .rr-field .hint {
  min-height: 1.25em;
}

@media (min-width: 560px) {
  .rr-driving-grid {
    grid-template-columns: repeat(3, 1fr);
    align-items: start;
  }
}

.rr-advanced-only[hidden] {
  display: none !important;
}

.rr-results-top {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: stretch;
  margin-bottom: 1rem;
}

.rr-stat {
  flex: 1 1 120px;
  background: var(--rr-emerald-soft);
  border-radius: 10px;
  padding: 0.75rem 0.85rem;
}

.rr-stat .label {
  display: block;
  color: var(--rr-muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.rr-stat .value {
  display: block;
  margin-top: 0.15rem;
  font-family: "Red Hat Display", sans-serif;
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--rr-forest);
}

.rr-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border-radius: 999px;
  padding: 0.45rem 0.8rem;
  font-weight: 700;
  font-size: 0.92rem;
}

.rr-badge[data-tone="success"] {
  background: #d7f3e5;
  color: #0b5c3b;
}

.rr-badge[data-tone="warning"] {
  background: #ffecd6;
  color: var(--rr-warning);
}

.rr-badge[data-tone="info"] {
  background: #d9eefc;
  color: var(--rr-info);
}

.rr-formula {
  margin: 0 0 1rem;
  padding: 0.65rem 0.75rem;
  border-left: 3px solid var(--rr-accent);
  background: #faf8f2;
  border-radius: 0 8px 8px 0;
  font-size: 0.88rem;
  color: var(--rr-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.5rem;
  align-items: baseline;
}

.rr-formula-label {
  color: var(--rr-muted);
  font-weight: 600;
}

.rr-formula strong {
  color: var(--rr-ink);
  font-size: 1.05rem;
}

.rr-formulas {
  margin-bottom: 1rem;
}

.rr-formula-block {
  margin: 0 0 1.15rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #e5ece9;
}

.rr-formula-block:last-of-type {
  border-bottom: 0;
  padding-bottom: 0;
  margin-bottom: 1rem;
}

.rr-formula-block h3 {
  margin: 0 0 0.4rem;
  font-size: 1.02rem;
  color: var(--rr-forest);
  font-family: "Red Hat Display", sans-serif;
}

.rr-formula-block p {
  margin: 0;
  color: var(--rr-ink);
  font-size: 0.92rem;
  line-height: 1.45;
}

.rr-formula-eq {
  margin: 0 0 0.5rem !important;
}

.rr-formula-eq code {
  display: inline-block;
  padding: 0.35rem 0.55rem;
  border-radius: 8px;
  background: var(--rr-emerald-soft);
  color: var(--rr-forest);
  font-size: 0.95rem;
}

.rr-table-wrap {
  overflow-x: auto;
  margin-top: 0.35rem;
}

.rr-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.rr-table th,
.rr-table td {
  padding: 0.7rem 0.65rem;
  text-align: left;
  border-bottom: 1px solid #e4ebe8;
}

.rr-table th {
  color: var(--rr-muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-weight: 700;
}

.rr-table tr.rr-current {
  background: var(--rr-emerald-soft);
  font-weight: 600;
}

.rr-table tr.rr-next {
  background: linear-gradient(90deg, rgba(198, 167, 94, 0.28), rgba(198, 167, 94, 0.08));
  box-shadow: inset 3px 0 0 var(--rr-accent);
}

.rr-table tr.rr-next td:first-child::after {
  content: " ← next";
  color: #8a6d2d;
  font-size: 0.78rem;
  font-weight: 700;
}

.rr-benchmarks {
  display: grid;
  gap: 0.85rem;
}

.rr-bench-blurb {
  margin: 0 0 0.25rem;
  padding: 0.7rem 0.85rem;
  border-radius: 10px;
  background: var(--rr-emerald-soft);
  border: 1px solid rgba(11, 107, 76, 0.15);
  color: var(--rr-forest);
  font-size: 0.9rem;
  line-height: 1.45;
}

.rr-bench {
  display: grid;
  gap: 0.35rem;
}

.rr-bench-head {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.88rem;
}

.rr-bench-head strong {
  color: var(--rr-forest);
}

.rr-meter {
  height: 10px;
  border-radius: 999px;
  background: #e5ece9;
  overflow: hidden;
  position: relative;
}

.rr-meter > span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--rr-emerald), #14a06f);
  width: 0%;
  transition: width 0.25s ease, background 0.25s ease;
}

.rr-meter[data-tone="ahead"] > span {
  background: linear-gradient(90deg, #0b6b4c, #1a9a68);
}

.rr-meter[data-tone="behind"] > span {
  background: linear-gradient(90deg, #c47a2c, #d9a05a);
}

.rr-meter-target {
  position: absolute;
  top: -3px;
  bottom: -3px;
  width: 2px;
  background: var(--rr-accent);
  transform: translateX(-1px);
  font-style: normal;
  pointer-events: none;
}

.rr-insights {
  display: grid;
  gap: 0.75rem;
}

.rr-insight {
  border-radius: 10px;
  padding: 0.8rem 0.9rem;
  background: #f7faf8;
  border: 1px solid #e0ebe6;
}

.rr-insight[data-priority="high"] {
  background: #fff7ec;
  border-color: #f0d7b0;
}

.rr-insight[data-priority="warning"] {
  background: #fff9e8;
  border-color: #e8d59a;
}

.rr-check {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  margin: 0.25rem 0 1rem;
  font-size: 0.9rem;
  line-height: 1.4;
  cursor: pointer;
}

.rr-check input {
  margin-top: 0.2rem;
  width: 1.1rem;
  height: 1.1rem;
  accent-color: var(--rr-emerald);
  flex-shrink: 0;
}

.rr-check code {
  font-size: 0.82em;
}

.rr-baseline-note {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.82rem;
}

.rr-proxy {
  display: grid;
  gap: 0.15rem;
  margin-bottom: 0.9rem;
  padding: 0.75rem 0.85rem;
  border-radius: 10px;
  background: linear-gradient(135deg, #eef7f2, #f7f3e8);
  border: 1px solid rgba(11, 107, 76, 0.15);
}

.rr-proxy-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--rr-muted);
  font-weight: 700;
}

.rr-proxy strong {
  font-family: "Red Hat Display", sans-serif;
  font-size: 1.15rem;
  color: var(--rr-forest);
}

.rr-proxy-note {
  font-size: 0.78rem;
  color: var(--rr-muted);
}

.rr-unit-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: end;
  margin-bottom: 0.85rem;
}

.rr-unit-toggle {
  display: inline-flex;
  border: 1px solid #c9d4d0;
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
}

.rr-unit-btn {
  appearance: none;
  border: 0;
  min-height: 44px;
  padding: 0.55rem 0.85rem;
  background: transparent;
  font: inherit;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--rr-forest);
  cursor: pointer;
}

.rr-unit-btn[aria-pressed="true"] {
  background: var(--rr-emerald);
  color: #fff;
}

.rr-unit-btn:focus-visible {
  outline: 3px solid rgba(11, 107, 76, 0.35);
  outline-offset: 1px;
}

.rr-distance-ladder {
  margin-top: 0.25rem;
  padding: 0.75rem 0.85rem;
  border-radius: 10px;
  background: #f7faf8;
  border: 1px solid #e0ebe6;
}

.rr-ladder-title {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-weight: 700;
  color: var(--rr-muted);
  margin-bottom: 0.5rem;
}

.rr-ladder-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.35rem;
}

.rr-ladder-list li {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.4rem 0.5rem;
  border-radius: 8px;
  font-size: 0.88rem;
}

.rr-ladder-list li.rr-ladder-active {
  background: rgba(198, 167, 94, 0.28);
  box-shadow: inset 3px 0 0 var(--rr-accent);
  font-weight: 700;
}

.rr-ladder-you {
  margin: 0.65rem 0 0;
  font-size: 0.86rem;
  color: var(--rr-muted);
}

.rr-eq7 {
  border-left-color: var(--rr-emerald);
  background: var(--rr-emerald-soft);
}

.rr-insight h3 {
  margin: 0 0 0.3rem;
  font-size: 0.98rem;
  color: var(--rr-forest);
}

.rr-insight p {
  margin: 0;
  color: var(--rr-ink);
  font-size: 0.92rem;
  line-height: 1.45;
}

.rr-stack {
  display: grid;
  gap: 1rem;
}

.rr-footer {
  margin-top: 1.25rem;
  padding: 1.1rem 1.15rem;
  border-radius: var(--rr-radius);
  background: #fff;
  border: 1px solid rgba(26, 60, 52, 0.1);
  box-shadow: var(--rr-shadow);
  color: var(--rr-muted);
  font-size: 0.86rem;
  line-height: 1.55;
}

.rr-footer h2 {
  margin: 0 0 0.45rem;
  font-size: 0.95rem;
  color: var(--rr-forest);
  font-family: "Red Hat Display", sans-serif;
}

.rr-footer a {
  color: var(--rr-emerald-dark);
  font-weight: 600;
}

.rr-footer .meta {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid #e5ece9;
}

/* Tee Box Helper */
.rr-teebox .rr-card {
  max-width: none;
  width: 100%;
}

.rr-teebox-attrib {
  margin: 0 0 1.1rem;
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  background: #f4f8f6;
  border: 1px solid #dce8e2;
  color: var(--rr-muted);
  font-size: 0.88rem;
  line-height: 1.45;
}

.rr-teebox-attrib a {
  color: var(--rr-emerald-dark);
  font-weight: 600;
}

.rr-teebox-setup {
  margin-bottom: 1rem;
}

.rr-teebox-tips {
  margin: 0.35rem 0 0;
  font-size: 0.84rem;
  color: var(--rr-muted);
}

.rr-caution {
  margin: 0 0 0.85rem;
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  background: #fff6e8;
  border: 1px solid #f0d9a8;
  color: #5c3b00;
  font-size: 0.9rem;
  line-height: 1.45;
}

.rr-caution strong {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.95rem;
  color: #7a4e00;
}

.rr-tee-step {
  padding: 1rem 1.05rem;
  border-radius: 12px;
  background: linear-gradient(180deg, #f7fbf9 0%, #eef6f2 100%);
  border: 1px solid #d5e5dd;
}

.rr-tee-question {
  margin: 0 0 1rem;
  font-size: 1.08rem;
  font-weight: 650;
  color: var(--rr-forest);
  line-height: 1.4;
  font-family: "Red Hat Display", sans-serif;
}

.rr-tee-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}

.rr-tee-btn {
  appearance: none;
  border: none;
  border-radius: 10px;
  min-height: 52px;
  padding: 0.75rem 1rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.12s ease, filter 0.12s ease;
}

.rr-tee-btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.03);
}

.rr-tee-btn:focus-visible {
  outline: 3px solid rgba(11, 107, 76, 0.35);
  outline-offset: 2px;
}

.rr-tee-yes {
  background: var(--rr-emerald);
  color: #fff;
}

.rr-tee-no {
  background: #fff;
  color: var(--rr-forest);
  border: 1px solid #c5d8cf;
}

.rr-tee-nav {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 0.85rem;
}

.rr-tee-link {
  appearance: none;
  background: transparent;
  border: none;
  padding: 0.35rem 0;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--rr-emerald-dark);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.rr-tee-link:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  text-decoration: none;
}

.rr-tee-result {
  padding: 1.15rem 1.1rem;
  border-radius: 12px;
  border: 1px solid #cfe0d7;
  background: #f4faf7;
}

.rr-tee-result[data-tone="driver"] {
  background: linear-gradient(180deg, #e8f6ef 0%, #d8efe4 100%);
  border-color: #9ec9b4;
}

.rr-tee-result[data-tone="wood"] {
  background: linear-gradient(180deg, #eef4fb 0%, #dde8f5 100%);
  border-color: #a8bfd9;
}

.rr-tee-result[data-tone="alt"] {
  background: linear-gradient(180deg, #f8f3e8 0%, #f0e6d2 100%);
  border-color: #d4c19a;
}

.rr-tee-result[data-tone="tight"] {
  background: linear-gradient(180deg, #f7ecec 0%, #efdddd 100%);
  border-color: #d4a8a8;
}

.rr-tee-result h3 {
  margin: 0 0 0.45rem;
  font-size: 1.25rem;
  color: var(--rr-forest);
  font-family: "Red Hat Display", sans-serif;
}

.rr-tee-result p {
  margin: 0 0 1rem;
  color: var(--rr-ink);
  line-height: 1.45;
}

.rr-tee-result .rr-tee-btn {
  width: 100%;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
    scroll-behavior: auto !important;
  }
}