/* ═══════════════════════════════════════════════════════════
  cognavis — overstimulation.css
  Overstimulation: identify the load, then regulate it.
  Interactive tool page — page-specific styles.
  Extends global.css. Colours only via global.css tokens.
  Burgundy is used for alert text only. No green.
  Version 1.0 | October 2026
═══════════════════════════════════════════════════════════ */

/* ─── HERO ─────────────────────────────────────────────── */
.os-hero {
  background-color: var(--cocoa);
  padding: 88px 32px 72px;
  text-align: center;
}
.os-hero-inner { max-width: 680px; margin: 0 auto; }
.os-hero-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--rose);
  margin-bottom: 20px;
}
.os-hero-heading {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--linen-light);
}
.os-hero-sub {
  font-size: 30px;
  font-weight: 300;
  line-height: 1.2;
  color: var(--linen-light);
  margin: 6px 0 28px;
}
.os-hero-lead {
  font-size: 18px;
  font-weight: 300;
  font-style: italic;
  line-height: 1.65;
  color: var(--rose-light);
  margin: 0 auto 36px;
  max-width: 600px;
}
.os-hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
}
.os-btn-light {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 12px 26px;
  border: 2px solid var(--cocoa-40);
  border-radius: var(--r);
  color: var(--linen-light);
  text-decoration: none;
  transition: border-color var(--t), background var(--t);
}
.os-btn-light:hover { border-color: var(--linen-light); }
.os-hero-link {
  display: inline-block;
  margin-top: 28px;
  font-size: 13px;
  font-weight: 600;
  color: var(--cocoa-20);
  text-decoration: underline;
  text-underline-offset: 4px;
}
.os-hero-link:hover { color: var(--linen-light); }

/* ─── STICKY STEP PROGRESS ─────────────────────────────── */
.os-progress-wrap {
  position: sticky;
  top: var(--nav-h);
  z-index: 90;
  background: var(--linen);
  border-bottom: 1px solid var(--cocoa-20);
  box-shadow: 0 2px 10px rgba(26, 9, 5, 0.06);
  padding: 0 32px;
}
/* Equal gaps between the four steps, regardless of label length */
.os-progress {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: stretch;
}
.os-progress-step {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 4px 12px;
  border-bottom: 2px solid transparent;
  text-decoration: none;
  color: var(--cocoa-60);
  font-size: 12px;
  white-space: nowrap;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color var(--t), border-color var(--t);
}
.os-progress-num {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  border-radius: 50%;
  border: 1.5px solid var(--cocoa-40);
  background: var(--linen-light);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  letter-spacing: 0;
  transition: background var(--t), border-color var(--t), color var(--t);
}
.os-progress-step:hover { color: var(--cocoa); }
.os-progress-step.is-current {
  color: var(--cocoa);
  border-bottom-color: var(--cocoa);
}
.os-progress-step.is-current .os-progress-num {
  border-color: var(--cocoa);
  background: var(--cocoa);
  color: var(--linen-light);
}
.os-progress-step.is-done .os-progress-num {
  background: var(--slate);
  border-color: var(--slate);
  color: var(--white);
}

/* ─── STAGES ───────────────────────────────────────────── */
section.os-stage {
  padding: 72px 32px;
  scroll-margin-top: calc(var(--nav-h) + 52px);
}
.os-stage--tint { background-color: var(--linen-50); }
.os-stage-head { margin-bottom: 32px; }
.os-stage-num {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cocoa-40);
  margin-bottom: 10px;
}
.os-stage-title {
  font-size: 32px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--cocoa);
  margin-bottom: 10px;
}
.os-stage-lead {
  font-size: 18px;
  font-weight: 300;
  font-style: italic;
  line-height: 1.6;
  color: var(--cocoa-60);
}
.os-stage-nav {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 20px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--cocoa-10);
}

/* ─── BUTTONS (page scope) ─────────────────────────────── */
.os-btn,
.os-btn-outline,
.os-btn-text {
  font-family: 'Nunito', sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  border-radius: var(--r);
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: background var(--t), color var(--t), border-color var(--t);
}
.os-btn {
  background: var(--cocoa);
  color: var(--linen-light);
  border: 2px solid var(--cocoa);
  padding: 11px 24px;
}
.os-btn:hover { background: var(--cocoa-60); border-color: var(--cocoa-60); }
.os-btn-outline {
  background: transparent;
  color: var(--cocoa);
  border: 2px solid var(--cocoa-20);
  padding: 11px 22px;
}
.os-btn-outline:hover { border-color: var(--cocoa); }
.os-btn-text {
  background: none;
  border: none;
  padding: 8px 4px;
  color: var(--cocoa-40);
  text-decoration: underline;
  text-underline-offset: 4px;
}
.os-btn-text:hover { color: var(--cocoa); }
.os-btn:focus-visible,
.os-btn-outline:focus-visible,
.os-btn-text:focus-visible,
.os-scale-btn:focus-visible,
.os-chip:focus-visible,
.os-check:focus-visible,
.os-level-btn:focus-visible,
.os-segment-btn:focus-visible,
.os-step-toggle:focus-visible,
.os-progress-step:focus-visible {
  outline: 2px solid var(--slate);
  outline-offset: 2px;
}

/* ─── 0–10 SCALE ───────────────────────────────────────── */
.os-scale {
  display: grid;
  grid-template-columns: repeat(11, 1fr);
  gap: 6px;
}
.os-scale-btn {
  font-family: 'Nunito', sans-serif;
  font-size: 17px;
  font-weight: 700;
  height: 52px;
  border-radius: var(--r-lg);
  border: 1px solid var(--cocoa-10);
  background: var(--white);
  color: var(--cocoa-60);
  cursor: pointer;
  transition: background var(--t), color var(--t), border-color var(--t), transform var(--t);
}
.os-scale-btn:hover { border-color: var(--cocoa-40); transform: translateY(-1px); }
.os-scale-btn[aria-checked="true"] {
  background: var(--cocoa);
  border-color: var(--cocoa);
  color: var(--linen-light);
}
.os-scale-zones {
  display: grid;
  grid-template-columns: 4fr 4fr 3fr;
  gap: 6px;
  margin-top: 8px;
}
.os-zone {
  border-top: 3px solid var(--slate-light);
  padding-top: 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cocoa-40);
}
.os-zone--activated  { border-top-color: var(--slate); }
.os-zone--overloaded { border-top-color: var(--cocoa-60); color: var(--cocoa-60); }

/* ─── FEEDBACK ─────────────────────────────────────────── */
.os-feedback:empty,
.os-compare:empty { display: none; }
.os-feedback,
.os-compare {
  margin-top: 24px;
  background: var(--white);
  border: 1px solid var(--cocoa-10);
  border-radius: var(--r-lg);
  padding: 20px 24px;
}
.os-feedback-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--cocoa);
  margin-bottom: 4px;
}
.os-feedback p {
  font-size: 16px;
  line-height: 1.65;
  color: var(--cocoa-60);
}
.os-feedback .os-btn { margin-top: 16px; }

/* Alert — the only use of burgundy on this page */
.os-alert {
  color: var(--burgundy);
  font-weight: 700;
}
.os-alert-line {
  display: flex;
  gap: 10px;
  align-items: baseline;
  color: var(--burgundy);
  font-weight: 700;
}
.os-alert-line::before {
  content: "!";
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border: 1.5px solid var(--burgundy);
  border-radius: 50%;
  font-size: 12px;
  line-height: 17px;
  text-align: center;
}

/* ─── BLOCKS ───────────────────────────────────────────── */
.os-block { margin-bottom: 40px; }
.os-block-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--cocoa);
  line-height: 1.3;
  margin-bottom: 4px;
}
.os-block-hint {
  font-size: 15px;
  font-style: italic;
  color: var(--cocoa-40);
  line-height: 1.55;
  margin-bottom: 16px;
}

/* ─── CHIPS ────────────────────────────────────────────── */
.os-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.os-chip {
  font-family: 'Nunito', sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--cocoa-60);
  background: var(--white);
  border: 1px solid var(--cocoa-10);
  border-radius: 999px;
  padding: 7px 16px;
  cursor: pointer;
  transition: background var(--t), border-color var(--t), color var(--t);
}
.os-chip:hover { border-color: var(--cocoa-40); }
.os-chip[aria-pressed="true"] {
  background: var(--slate-bg);
  border-color: var(--slate);
  color: var(--cocoa);
}
.os-chip[aria-pressed="true"]::before { content: "✓  "; color: var(--slate); }

/* ─── LOAD CARDS ───────────────────────────────────────── */
.os-loads {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.os-load {
  background: var(--white);
  border: 1px solid var(--cocoa-10);
  border-radius: var(--r-lg);
  padding: 18px 18px 16px;
  display: flex;
  flex-direction: column;
  transition: border-color var(--t), box-shadow var(--t);
}
.os-load.is-loaded { border-color: var(--slate); box-shadow: 0 4px 16px rgba(26, 9, 5, 0.05); }
.os-load-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--cocoa);
}
.os-load-q {
  font-size: 13px;
  font-style: italic;
  color: var(--cocoa-40);
  line-height: 1.4;
  margin-bottom: 10px;
}
.os-load-items { list-style: none; margin-bottom: 12px; }
.os-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  width: 100%;
  text-align: left;
  font-family: 'Nunito', sans-serif;
  font-size: 14px;
  line-height: 1.4;
  color: var(--cocoa-60);
  background: none;
  border: none;
  padding: 5px 0;
  cursor: pointer;
}
.os-check-box {
  width: 16px;
  height: 16px;
  margin-top: 1px;
  flex-shrink: 0;
  border: 1.5px solid var(--cocoa-20);
  border-radius: 3px;
  position: relative;
  transition: background var(--t), border-color var(--t);
}
.os-check[aria-pressed="true"] { color: var(--cocoa); }
.os-check[aria-pressed="true"] .os-check-box {
  background: var(--slate);
  border-color: var(--slate);
}
.os-check[aria-pressed="true"] .os-check-box::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 0;
  width: 5px;
  height: 9px;
  border: solid var(--white);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.os-load-level {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--cocoa-10);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.os-load-level-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cocoa-40);
}
.os-levels { display: flex; gap: 4px; }
.os-level-btn {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--cocoa-10);
  background: var(--cloud);
  font-family: 'Nunito', sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: var(--cocoa-40);
  cursor: pointer;
  transition: background var(--t), color var(--t), border-color var(--t);
}
.os-level-btn:hover { border-color: var(--cocoa-40); }
.os-level-btn[aria-checked="true"] {
  background: var(--cocoa);
  border-color: var(--cocoa);
  color: var(--linen-light);
}

/* ─── LOAD PICTURE ─────────────────────────────────────── */
.os-picture {
  background: var(--cocoa);
  color: var(--linen-light);
  border-radius: var(--r-lg);
  padding: 26px 28px;
}
.os-picture-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--rose);
  margin-bottom: 14px;
}
.os-picture-empty {
  font-size: 16px;
  font-style: italic;
  color: var(--cocoa-20);
}
.os-bars { list-style: none; display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.os-bar-row {
  display: grid;
  grid-template-columns: 110px 1fr 36px;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  font-weight: 600;
}
.os-bar {
  height: 8px;
  border-radius: 999px;
  background: rgba(237, 234, 221, 0.12);
  overflow: hidden;
}
.os-bar span {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: var(--slate);
}
.os-bar--1 span { width: 33%; background: var(--slate-light); }
.os-bar--2 span { width: 66%; }
.os-bar--3 span { width: 100%; background: var(--rose); }
.os-bar-value { text-align: right; color: var(--cocoa-20); font-size: 13px; }
.os-picture-top {
  font-size: 20px;
  font-weight: 300;
  line-height: 1.4;
  margin-bottom: 12px;
}
.os-picture-top strong { font-weight: 700; }
.os-tips { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.os-tips li {
  font-size: 15px;
  line-height: 1.55;
  color: var(--linen-light);
  padding-left: 20px;
  position: relative;
}
.os-tips li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--rose);
}
.os-picture-signals {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(237, 234, 221, 0.15);
  font-size: 13px;
  color: var(--cocoa-20);
}

/* ─── FIELDS ───────────────────────────────────────────── */
.os-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.os-field-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--r-lg);
  padding: 18px 20px 20px;
  cursor: text;
}
.os-field-card--slate { background: var(--slate-bg); }
.os-field-card--linen { background: var(--linen-light); }
.os-field-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cocoa-60);
}
.os-field-hint {
  font-size: 13px;
  font-style: italic;
  color: var(--cocoa-40);
  margin: 2px 0 12px;
}
.os-input {
  width: 100%;
  font-family: 'Nunito', sans-serif;
  font-size: 16px;
  color: var(--cocoa);
  background: transparent;
  border: none;
  border-bottom: 1.5px solid var(--cocoa-20);
  padding: 6px 0;
  outline: none;
  transition: border-color var(--t);
}
.os-input::placeholder { color: var(--cocoa-20); font-style: italic; }
.os-input:focus { border-bottom-color: var(--slate); }
.os-inline-field {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-top: 14px;
  font-size: 14px;
  font-weight: 700;
  color: var(--cocoa);
}
.os-inline-field > span { flex-shrink: 0; }
.os-inline-field--wide { margin-top: 28px; }

/* ─── PRINCIPLE ────────────────────────────────────────── */
.os-principle {
  border-left: 3px solid var(--rose);
  padding: 4px 0 4px 22px;
  margin-bottom: 32px;
}
.os-principle p {
  font-size: 20px;
  font-weight: 300;
  font-style: italic;
  line-height: 1.55;
  color: var(--cocoa-60);
}
.os-principle strong { font-weight: 700; font-style: normal; color: var(--cocoa); }

/* ─── TIMER ────────────────────────────────────────────── */
.os-timer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  background: var(--cocoa);
  color: var(--linen-light);
  border-radius: var(--r-lg);
  padding: 24px 28px;
  margin-bottom: 36px;
}
.os-timer-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--rose);
}
.os-timer-display {
  font-size: 56px;
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--linen-light);
}
.os-timer-status {
  font-size: 14px;
  font-style: italic;
  color: var(--cocoa-20);
  max-width: 340px;
}
.os-timer.is-running .os-timer-display { color: var(--slate-light); }
.os-timer.is-finished .os-timer-status { color: var(--linen-light); font-style: normal; font-weight: 700; }
.os-timer-controls { display: flex; flex-direction: column; align-items: flex-end; gap: 14px; }
.os-segment {
  display: inline-flex;
  border: 1px solid var(--cocoa-40);
  border-radius: var(--r);
  overflow: hidden;
}
.os-segment-btn {
  font-family: 'Nunito', sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: var(--cocoa-20);
  background: transparent;
  border: none;
  padding: 8px 14px;
  cursor: pointer;
  transition: background var(--t), color var(--t);
}
.os-segment-btn + .os-segment-btn { border-left: 1px solid var(--cocoa-40); }
.os-segment-btn[aria-checked="true"] { background: var(--linen-light); color: var(--cocoa); }
.os-segment-btn:disabled { cursor: not-allowed; opacity: 0.5; }
.os-timer-buttons { display: flex; align-items: center; gap: 12px; }
.os-timer .os-btn { background: var(--slate); border-color: var(--slate); color: var(--white); }
.os-timer .os-btn:hover { background: var(--slate-light); border-color: var(--slate-light); color: var(--cocoa); }
.os-timer .os-btn-text { color: var(--cocoa-20); }
.os-timer .os-btn-text:hover { color: var(--linen-light); }

/* ─── STEPS ────────────────────────────────────────────── */
.os-steps-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}
.os-steps-count {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cocoa-40);
  flex-shrink: 0;
}
.os-steps-bar {
  flex: 1;
  height: 6px;
  border: none;
  border-radius: 999px;
  background: var(--cocoa-10);
  overflow: hidden;
  -webkit-appearance: none;
  appearance: none;
}
.os-steps-bar::-webkit-progress-bar { background: var(--cocoa-10); border-radius: 999px; }
.os-steps-bar::-webkit-progress-value { background: var(--slate); border-radius: 999px; transition: width var(--t); }
.os-steps-bar::-moz-progress-bar { background: var(--slate); border-radius: 999px; }

.os-steps { list-style: none; border-top: 1px solid var(--cocoa-10); }
.os-step {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  gap: 16px;
  align-items: start;
  padding: 20px 0;
  border-bottom: 1px solid var(--cocoa-10);
  transition: opacity var(--t);
}
.os-step-num {
  font-size: 26px;
  font-weight: 300;
  line-height: 1;
  color: var(--cocoa-20);
  padding-top: 2px;
}
.os-step-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--cocoa);
  line-height: 1.35;
  margin-bottom: 4px;
}
.os-step-text {
  font-size: 16px;
  line-height: 1.65;
  color: var(--cocoa-60);
}
.os-step-match {
  display: inline-block;
  margin-top: 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cocoa);
  background: var(--slate-bg);
  border-radius: var(--r);
  padding: 4px 10px;
}
.os-step-extra { margin-top: 12px; }
.os-step-extra .os-inline-field { margin-top: 10px; }
.os-script {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.os-script-text {
  font-size: 17px;
  font-style: italic;
  color: var(--cocoa);
  background: var(--slate-bg);
  border-radius: var(--r);
  padding: 8px 14px;
}
.os-step-toggle {
  font-family: 'Nunito', sans-serif;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--cocoa-40);
  background: var(--white);
  border: 1px solid var(--cocoa-10);
  border-radius: 999px;
  padding: 7px 14px 7px 10px;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--t), border-color var(--t), color var(--t);
}
.os-step-toggle:hover { border-color: var(--cocoa-40); color: var(--cocoa); }
.os-step-toggle .os-check-box { margin-top: 0; border-radius: 50%; }
.os-step-toggle[aria-pressed="true"] {
  background: var(--slate-bg);
  border-color: var(--slate);
  color: var(--cocoa);
}
.os-step-toggle[aria-pressed="true"] .os-check-box { background: var(--slate); border-color: var(--slate); }
.os-step-toggle[aria-pressed="true"] .os-check-box::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 1px;
  width: 4px;
  height: 8px;
  border: solid var(--white);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.os-step.is-done .os-step-num { color: var(--slate); }
.os-step.is-done .os-step-title,
.os-step.is-done .os-step-text { opacity: 0.6; }

/* ─── REASSESS ─────────────────────────────────────────── */
.os-compare-row {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
}
.os-compare-nums {
  font-size: 34px;
  font-weight: 300;
  color: var(--cocoa);
  font-variant-numeric: tabular-nums;
}
.os-compare-nums strong { font-weight: 700; }
.os-compare p { font-size: 16px; color: var(--cocoa-60); line-height: 1.6; }
.os-path {
  margin-top: 18px;
  border-radius: var(--r-lg);
  padding: 22px 24px;
  border: 1px solid var(--cocoa-10);
  background: var(--white);
}
.os-path--smaller { background: var(--linen-light); border-color: var(--linen); }
.os-path-if {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cocoa-40);
}
.os-path-then {
  font-size: 22px;
  font-weight: 700;
  color: var(--cocoa);
  line-height: 1.3;
  margin: 4px 0 6px;
}
.os-path p { font-size: 16px; line-height: 1.6; color: var(--cocoa-60); }

/* ─── SUMMARY ──────────────────────────────────────────── */
.os-summary {
  margin-top: 48px;
  background: var(--white);
  border: 1px solid var(--cocoa-10);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.os-summary-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--cocoa-10);
}
.os-summary-title { font-size: 18px; font-weight: 700; color: var(--cocoa); }
.os-summary-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.os-summary-body { padding: 8px 24px 12px; }
.os-summary-list { list-style: none; }
.os-summary-item {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--cocoa-10);
  font-size: 15px;
  line-height: 1.55;
}
.os-summary-item:last-child { border-bottom: none; }
.os-summary-key {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cocoa-40);
  padding-top: 3px;
}
.os-summary-val { color: var(--cocoa); }
.os-summary-val--empty { color: var(--cocoa-20); font-style: italic; }
.os-privacy {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  background: var(--slate-50);
  padding: 12px 24px;
  font-size: 13px;
  color: var(--cocoa-40);
}

/* ─── TOAST ────────────────────────────────────────────── */
.os-toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translate(-50%, 20px);
  background: var(--cocoa);
  color: var(--linen-light);
  font-size: 14px;
  font-weight: 600;
  padding: 12px 22px;
  border-radius: var(--r-lg);
  box-shadow: 0 8px 28px rgba(26, 9, 5, 0.2);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t), transform var(--t);
  z-index: 200;
}
.os-toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

/* ─── WORKSHEET DOWNLOAD ───────────────────────────────── */
.os-download { padding: 72px 32px; }
.os-download-card {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 40px;
  align-items: center;
  background: var(--linen);
  border-radius: var(--r-lg);
  padding: 36px 40px;
}
.os-download-art { position: relative; height: 200px; }
.os-download-sheet {
  position: absolute;
  left: 18px;
  top: 6px;
  width: 128px;
  height: 180px;
  background: var(--cloud);
  border-radius: var(--r);
  box-shadow: 0 6px 20px rgba(26, 9, 5, 0.12);
  z-index: 2;
  background-image:
    linear-gradient(var(--cocoa), var(--cocoa)),
    linear-gradient(var(--cocoa-10), var(--cocoa-10)),
    linear-gradient(var(--cocoa-10), var(--cocoa-10)),
    linear-gradient(var(--slate-bg), var(--slate-bg)),
    linear-gradient(var(--cocoa-10), var(--cocoa-10)),
    linear-gradient(var(--cocoa-10), var(--cocoa-10));
  background-size: 100% 34px, 70% 4px, 50% 4px, 80% 40px, 70% 4px, 60% 4px;
  background-position: 0 0, 12px 50px, 12px 62px, 12px 80px, 12px 136px, 12px 148px;
  background-repeat: no-repeat;
}
.os-download-sheet--back {
  left: 34px;
  top: 0;
  transform: rotate(6deg);
  z-index: 1;
  background-image: none;
  background-color: var(--white);
}
.os-download-title {
  font-size: 26px;
  font-weight: 600;
  color: var(--cocoa);
  line-height: 1.25;
  margin-bottom: 8px;
}
.os-download-text p { font-size: 16px; line-height: 1.65; color: var(--cocoa-60); }
.os-download-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 22px 0 10px; }
.os-download-note { font-size: 13px; font-style: italic; color: var(--cocoa-40); }

/* ─── SAFE NOTE BAND ───────────────────────────────────── */
.os-safe-band {
  background-color: var(--slate-50);
  border-top: 1px solid var(--cocoa-10);
  padding: 36px 32px;
}
.os-safe {
  border-left: 3px solid var(--cocoa-20);
  padding-left: 22px;
}
.os-safe p { font-size: 15px; line-height: 1.75; color: var(--cocoa-60); }
.os-safe strong { color: var(--cocoa); }

.os-noscript { padding: 32px; }
.os-offscreen { position: fixed; top: 0; left: -9999px; opacity: 0; }

/* ─── RESPONSIVE ───────────────────────────────────────── */
@media (max-width: 760px) {
  .os-loads { grid-template-columns: 1fr 1fr; }
  .os-download-card { grid-template-columns: 1fr; padding: 28px 24px; }
  .os-download-art { display: none; }
  .os-timer-controls { align-items: flex-start; }
}
@media (max-width: 640px) {
  .os-hero { padding: 60px 20px 52px; }
  .os-hero-heading { font-size: 36px; }
  .os-hero-sub { font-size: 23px; }
  .os-hero-lead { font-size: 16px; }
  .os-progress-wrap { padding: 0 16px; }
  .os-progress-label { display: none; }
  .os-progress-step.is-current .os-progress-label {
    display: inline;
    font-size: 10px;
    letter-spacing: 0.08em;
  }
  section.os-stage { padding: 52px 20px; }
  .os-stage-title { font-size: 25px; }
  .os-scale { grid-template-columns: repeat(6, 1fr); }
  .os-scale-zones { display: none; }
  .os-loads,
  .os-split { grid-template-columns: 1fr; }
  .os-bar-row { grid-template-columns: 90px 1fr 30px; }
  .os-step { grid-template-columns: 32px 1fr; }
  .os-step-toggle { grid-column: 2; justify-self: start; }
  .os-timer-display { font-size: 44px; }
  .os-summary-item { grid-template-columns: 1fr; gap: 2px; }
  .os-inline-field { flex-direction: column; gap: 4px; }
  .os-download { padding: 52px 20px; }
  .os-stage-nav { justify-content: space-between; }
}

/* ─── PRINT (page itself) ──────────────────────────────── */
@media print {
  .os-progress-wrap,
  .os-hero-actions,
  .os-hero-link,
  .os-timer,
  .os-stage-nav,
  .os-summary-actions,
  .os-download,
  .callout-dark,
  [data-component] { display: none; }
}