:root {
  --stone: #F3F1EC;
  --stone-deep: #ECE8E0;
  --paper: #FAF8F4;
  --graphite: #2A2B2A;
  --ink-soft: #4F514D;
  --sage: #8FA28A;
  --sage-deep: #52654C;
  --oak: #D9C7A7;
  --line: rgba(42, 43, 42, 0.16);
  --line-strong: rgba(42, 43, 42, 0.32);
  --on-dark: rgba(243, 241, 236, 0.82);
  --line-dark: rgba(243, 241, 236, 0.22);

  --serif: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  --wrap: 1200px;
  --gutter: clamp(20px, 5vw, 48px);
  --section: clamp(88px, 12vw, 160px);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  background: var(--stone);
  color: var(--graphite);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--sage-deep); }

:focus-visible {
  outline: 2px solid var(--sage-deep);
  outline-offset: 3px;
}

h1, h2, h3, h4 { margin: 0; font-weight: 400; }

h1, h2 {
  font-family: var(--serif);
  letter-spacing: -0.01em;
  line-height: 1.02;
}

h1 em, h2 em, .band-lead em, .closing em {
  font-style: italic;
  color: var(--sage-deep);
}

p { margin: 0; }

button { font: inherit; color: inherit; }

.wrap {
  width: 100%;
  max-width: calc(var(--wrap) + var(--gutter) * 2);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.skip {
  position: absolute;
  left: 16px; top: -48px;
  background: var(--graphite);
  color: var(--stone);
  padding: 8px 14px;
  z-index: 100;
  text-decoration: none;
}
.skip:focus, .skip:hover { top: 12px; color: var(--stone); }

.eyebrow {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sage-deep);
  margin-bottom: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border: 1px solid var(--graphite);
  border-radius: 999px;
  font: 500 15px/1 var(--sans);
  text-decoration: none;
  cursor: pointer;
  transition: background-color .25s ease, color .25s ease, border-color .25s ease;
}
.btn-solid { background: var(--graphite); color: var(--stone); }
.btn-solid:hover { background: var(--sage-deep); border-color: var(--sage-deep); color: var(--stone); }
.btn-line { background: transparent; color: var(--graphite); }
.btn-line:hover { background: var(--graphite); color: var(--stone); }
.btn-small { min-height: 40px; padding: 0 18px; font-size: 14px; }

.link-btn {
  background: none;
  border: 0;
  padding: 4px 0;
  cursor: pointer;
  font-size: 14px;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  color: var(--graphite);
}
.link-btn:hover { color: var(--sage-deep); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(243, 241, 236, 0.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--graphite);
}
.brand:hover { color: var(--graphite); }
.brand-mark { width: 30px; height: 30px; flex: none; }
.brand-name { font-family: var(--serif); font-size: 27px; line-height: 1; letter-spacing: -0.005em; }
.status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 34px;
  padding: 6px 14px 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--ink-soft);
  white-space: nowrap;
  text-decoration: none;
  font-variant-numeric: tabular-nums;
  transition: border-color .25s ease, color .25s ease;
}
.status:hover { border-color: var(--line-strong); color: var(--graphite); }

.status-dot {
  position: relative;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1px solid var(--ink-soft);
  background: transparent;
  flex: none;
}
.status.is-paused .status-dot { background: var(--oak); border-color: #8a7a5c; }
.status.is-running { color: var(--graphite); border-color: var(--line-strong); }
.status.is-running .status-dot {
  background: var(--sage);
  border-color: var(--sage-deep);
  animation: glow 5s ease-in-out infinite;
}
.status.is-running .status-dot::after {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1px solid var(--sage);
  opacity: 0;
  animation: breathe 5s ease-in-out infinite;
}

@keyframes breathe {
  0%   { transform: scale(0.6); opacity: 0; }
  40%  { transform: scale(1.15); opacity: 0.7; }
  100% { transform: scale(1.5); opacity: 0; }
}
@keyframes glow {
  0%, 100% { opacity: 0.6; }
  45% { opacity: 1; }
}

.site-nav { margin-left: auto; }
.site-nav ul {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 26px;
  margin: 0;
  padding: 0;
}
.site-nav a {
  font-size: 15px;
  text-decoration: none;
  color: var(--graphite);
}
.site-nav a:hover { color: var(--sage-deep); }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  padding: 0;
  position: relative;
  flex: none;
}
.nav-toggle-lines,
.nav-toggle-lines::before {
  position: absolute;
  left: 50%;
  width: 16px;
  height: 1px;
  background: var(--graphite);
  transform: translateX(-50%);
  transition: transform .3s ease, top .3s ease;
}
.nav-toggle-lines { top: 19px; }
.nav-toggle-lines::before { content: ""; top: 6px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-lines { top: 22px; transform: translateX(-50%) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-lines::before { top: 0; transform: translateX(-50%) rotate(-90deg); }

.hero { padding: clamp(56px, 9vw, 120px) 0 clamp(72px, 10vw, 136px); }

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(40px, 6vw, 96px);
  align-items: center;
}

.hero h1 {
  font-size: clamp(3.4rem, 8.4vw, 7.25rem);
  margin-bottom: 32px;
}

.lede {
  font-size: clamp(17px, 1.5vw, 19px);
  color: var(--ink-soft);
  max-width: 34em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 40px;
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 56px 0 0;
  border-top: 1px solid var(--line);
  max-width: 520px;
}
.hero-facts div { padding: 18px 16px 0 0; }
.hero-facts div + div { padding-left: 16px; border-left: 1px solid var(--line); }
.hero-facts dt {
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 4px;
}
.hero-facts dd {
  margin: 0;
  font-family: var(--serif);
  font-size: 24px;
  line-height: 1.2;
}

.hero-art { margin: 0; }
.hero-art svg { width: 100%; height: auto; }

.steam { animation: steam 6s ease-in-out infinite; }
.steam.s2 { animation-delay: 1.4s; }
@keyframes steam {
  0%, 100% { opacity: 0; transform: translateY(4px); }
  40% { opacity: .45; }
  80% { opacity: 0; transform: translateY(-6px); }
}

.band {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: clamp(56px, 8vw, 96px) 0;
}
.band-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: clamp(32px, 6vw, 96px);
  align-items: end;
}
.band-lead {
  font-family: var(--serif);
  font-size: clamp(1.9rem, 3.6vw, 3rem);
  line-height: 1.12;
}
.band-body { color: var(--ink-soft); }

.section { padding: var(--section) 0; }
.section-alt {
  background: var(--stone-deep);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-head { max-width: 720px; margin-bottom: clamp(48px, 7vw, 88px); }
.section-head h2 { font-size: clamp(2.6rem, 5.6vw, 4.75rem); }
.section-intro { margin-top: 24px; color: var(--ink-soft); max-width: 36em; }

.timer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(40px, 7vw, 112px);
  align-items: start;
}
.timer-copy h2 { font-size: clamp(2.6rem, 5.6vw, 4.75rem); }

.presets {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 36px;
}
.chip {
  min-height: 40px;
  padding: 0 18px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: transparent;
  font-size: 15px;
  font-variant-numeric: tabular-nums;
  cursor: pointer;
  transition: background-color .2s ease, color .2s ease, border-color .2s ease;
}
.chip:hover { border-color: var(--graphite); }
.chip[aria-pressed="true"] { background: var(--graphite); color: var(--stone); border-color: var(--graphite); }

.timer-settings {
  margin: 36px 0 0;
  padding: 28px 0 0;
  border: 0;
  border-top: 1px solid var(--line-strong);
  min-width: 0;
}
.timer-settings legend {
  float: left;
  width: 100%;
  padding: 0;
  margin-bottom: 18px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.settings-row {
  clear: both;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}
.num-field { display: grid; gap: 6px; font-size: 14px; color: var(--ink-soft); }
.num-field input {
  width: 100%;
  min-height: 48px;
  padding: 6px 0;
  border: 0;
  border-bottom: 1px solid var(--line-strong);
  border-radius: 0;
  background: transparent;
  font-family: var(--serif);
  font-size: 32px;
  color: var(--graphite);
  font-variant-numeric: tabular-nums;
  -moz-appearance: textfield;
}
.num-field input::-webkit-outer-spin-button,
.num-field input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.num-field input:focus { outline: none; border-bottom-color: var(--sage-deep); box-shadow: 0 1px 0 0 var(--sage-deep); }

.check {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 8px 0;
  font-size: 15px;
  cursor: pointer;
}
.check input {
  width: 18px; height: 18px;
  margin: 3px 0 0;
  accent-color: var(--sage-deep);
  flex: none;
}

.timer-card {
  background: var(--stone);
  border: 1px solid var(--line-strong);
  padding: clamp(24px, 4vw, 48px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

.phase-tabs {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: center;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 4px;
  gap: 2px;
}
.phase-tab {
  min-height: 38px;
  padding: 0 16px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  font-size: 14px;
  cursor: pointer;
  transition: background-color .2s ease, color .2s ease;
}
.phase-tab:hover { background: var(--stone-deep); }
.phase-tab[aria-pressed="true"] { background: var(--graphite); color: var(--stone); }

.dial {
  position: relative;
  width: min(100%, 340px);
  aspect-ratio: 1 / 1;
}
.dial-ring { position: absolute; inset: 0; width: 100%; height: 100%; }
.dial-progress {
  stroke-dasharray: 628.32;
  stroke-dashoffset: 0;
  transition: stroke-dashoffset .4s linear, stroke .3s ease;
}
.timer-card[data-phase="short"] .dial-progress,
.timer-card[data-phase="long"] .dial-progress { stroke: var(--oak); }

.dial-center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  text-align: center;
}
.dial-phase {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.dial-time {
  font-family: var(--serif);
  font-size: clamp(64px, 16vw, 96px);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}
.cycle-dots { display: inline-flex; gap: 8px; margin-top: 8px; }
.cycle-dots i {
  width: 8px; height: 8px;
  border-radius: 50%;
  border: 1px solid var(--graphite);
}
.cycle-dots i.is-done { background: var(--sage-deep); border-color: var(--sage-deep); }

.timer-controls {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}
.btn-start { min-width: 140px; }

.timer-foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 8px 24px;
  width: 100%;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  color: var(--ink-soft);
}

.timer-card:fullscreen {
  justify-content: center;
  border: 0;
  padding: 48px;
  background: var(--stone);
}
.timer-card:fullscreen .dial { width: min(70vh, 80vw); }
.timer-card:fullscreen .dial-time { font-size: clamp(96px, 16vh, 180px); }

.method-index {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(40px, 6vw, 72px);
}
.method-index a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 15px;
  text-decoration: none;
  transition: background-color .2s ease, color .2s ease;
}
.method-index a span { font-family: var(--serif); font-size: 17px; color: var(--sage-deep); }
.method-index a:hover { background: var(--graphite); color: var(--stone); }
.method-index a:hover span { color: var(--oak); }

.methods { border-top: 1px solid var(--line-strong); }
.method {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.4fr);
  gap: clamp(24px, 6vw, 96px);
  padding: clamp(40px, 6vw, 72px) 0;
  border-bottom: 1px solid var(--line-strong);
  scroll-margin-top: 88px;
}
.method-num {
  display: block;
  font-family: var(--serif);
  font-size: 30px;
  line-height: 1;
  color: var(--sage-deep);
  margin-bottom: 18px;
}
.method-head h3 {
  font-family: var(--serif);
  font-size: clamp(32px, 3.4vw, 44px);
  line-height: 1.05;
  margin-bottom: 14px;
}
.method-for { font-size: 15px; color: var(--ink-soft); }
.method-body { max-width: 40em; }
.method-body > p:first-child { font-size: 18px; }
.method-body h4 {
  margin: 32px 0 14px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sage-deep);
}
.method-body ol {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.method-body ol li {
  counter-increment: step;
  position: relative;
  padding: 12px 0 12px 40px;
  border-bottom: 1px solid var(--line);
}
.method-body ol li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 12px;
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.1;
  color: var(--sage-deep);
}
.method-body strong { font-weight: 600; }
.method-note {
  margin-top: 28px;
  padding-left: 18px;
  border-left: 2px solid var(--sage);
  color: var(--ink-soft);
}

.spacing {
  position: relative;
  height: 44px;
  margin: 32px 24px 0 4px;
  border-top: 1px solid var(--line-strong);
}
.spacing span {
  position: absolute;
  top: -5px;
  left: calc(var(--x) * 100%);
  padding-top: 18px;
  font-size: 13px;
  color: var(--ink-soft);
  white-space: nowrap;
  transform: translateX(-4px);
}
.spacing span::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--sage);
  border: 1px solid var(--sage-deep);
}

.spacing-caption { margin-top: 0; font-size: 13px; color: var(--ink-soft); }
.spacing span:last-child { transform: translateX(-4px); }

.cornell {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
  margin-top: 32px;
}
.cornell-figure { margin: 0; }
.cornell-figure svg { width: 100%; height: auto; }
.cornell-figure figcaption { margin-top: 12px; font-size: 14px; color: var(--ink-soft); }
.cornell-key { margin: 0; border-top: 1px solid var(--line); }
.cornell-key div { padding: 16px 0; border-bottom: 1px solid var(--line); }
.cornell-key dt { font-family: var(--serif); font-size: 24px; line-height: 1.2; margin-bottom: 6px; }
.cornell-key dd { margin: 0; color: var(--ink-soft); font-size: 16px; }

.planner-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}
.planner-scroll {
  overflow-x: auto;
  border: 1px solid var(--line-strong);
  background: var(--stone);
  -webkit-overflow-scrolling: touch;
}
.planner {
  width: 100%;
  min-width: 860px;
  border-collapse: collapse;
  table-layout: fixed;
}
.planner th,
.planner td {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  text-align: left;
}
.planner tr > *:last-child { border-right: 0; }
.planner tbody tr:last-child > * { border-bottom: 0; }
.planner thead th {
  padding: 14px 12px;
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 400;
  border-bottom: 1px solid var(--line-strong);
}
.planner thead th:first-child,
.planner tbody th { width: 128px; }
.planner tbody th {
  padding: 14px 12px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.planner tbody th small {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  letter-spacing: 0;
  text-transform: none;
  font-weight: 400;
}
.planner td:focus-within { background: var(--paper); }
.cell {
  min-height: 84px;
  padding: 12px;
  font-size: 14px;
  line-height: 1.45;
  outline: none;
  overflow-wrap: anywhere;
  cursor: text;
}
.cell:empty::before {
  content: attr(data-placeholder);
  color: var(--ink-soft);
  opacity: .55;
  font-style: italic;
}
.cell:focus { box-shadow: inset 0 0 0 2px var(--sage-deep); }
.planner-hint { margin-top: 14px; font-size: 14px; color: var(--ink-soft); }

.checklist-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(40px, 7vw, 112px);
  align-items: start;
}
.checklist-head { position: sticky; top: 120px; margin-bottom: 0; }
.progress { margin: 36px 0 28px; }
.progress-text { font-family: var(--serif); font-size: 28px; line-height: 1.2; margin-bottom: 12px; }
.progress-bar { height: 2px; background: var(--line); }
.progress-bar span { display: block; height: 100%; width: 100%; transform: scaleX(0); transform-origin: left; background: var(--sage-deep); transition: transform .4s ease; }

.checklist fieldset {
  margin: 0 0 48px;
  padding: 0;
  border: 0;
  min-width: 0;
}
.checklist fieldset:last-child { margin-bottom: 0; }
.checklist legend {
  padding: 0;
  margin-bottom: 12px;
  font-family: var(--serif);
  font-size: 32px;
  line-height: 1.1;
}
.tick {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
  cursor: pointer;
}
.tick:last-of-type { border-bottom: 1px solid var(--line); }
.tick input {
  appearance: none;
  -webkit-appearance: none;
  flex: none;
  width: 22px; height: 22px;
  margin: 1px 0 0;
  border: 1px solid var(--graphite);
  border-radius: 5px;
  background: transparent;
  display: grid;
  place-content: center;
  cursor: pointer;
  transition: background-color .2s ease, border-color .2s ease;
}
.tick input::after {
  content: "";
  width: 10px; height: 5px;
  border-left: 1.5px solid var(--stone);
  border-bottom: 1.5px solid var(--stone);
  transform: translateY(-1px) rotate(-45deg) scale(0);
  transition: transform .2s ease;
}
.tick input:checked { background: var(--sage-deep); border-color: var(--sage-deep); }
.tick input:checked::after { transform: translateY(-1px) rotate(-45deg) scale(1); }
.tick input:focus-visible { outline: 2px solid var(--sage-deep); outline-offset: 3px; }
.tick input:checked + span { color: var(--ink-soft); text-decoration: line-through; text-decoration-color: var(--sage); }

.tips {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
  border-left: 1px solid var(--line-strong);
}
.tip {
  padding: clamp(28px, 3.4vw, 44px);
  border-right: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  background: var(--stone);
}
.tip-icon { width: 52px; height: 52px; color: var(--graphite); margin-bottom: 28px; }
.tip h3 {
  font-family: var(--serif);
  font-size: clamp(26px, 2.4vw, 32px);
  line-height: 1.1;
  margin-bottom: 12px;
}
.tip p { color: var(--ink-soft); font-size: 16px; }

.section-dark {
  background: var(--graphite);
  color: var(--stone);
}
.section-dark .eyebrow { color: var(--sage); }
.section-dark h2 { font-size: clamp(2.6rem, 5.6vw, 4.75rem); margin-bottom: 28px; }
.section-dark h2 em { color: var(--oak); }
.section-dark a { color: var(--stone); }
.section-dark a:hover { color: var(--oak); }

.teachers-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(40px, 7vw, 112px);
  align-items: start;
}
.teachers-lede { color: var(--on-dark); max-width: 30em; font-size: 18px; }
.teachers-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 40px;
}
.teachers-list li { padding: 28px 0; border-top: 1px solid var(--line-dark); }
.teachers-list h3 { font-family: var(--serif); font-size: 28px; line-height: 1.1; margin-bottom: 10px; }
.teachers-list p { color: var(--on-dark); font-size: 16px; }

.faq-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(40px, 7vw, 112px);
  align-items: start;
}
.faq-grid .section-head { margin-bottom: 0; }
.faq { border-top: 1px solid var(--line-strong); }
.faq details { border-bottom: 1px solid var(--line-strong); }
.faq summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 24px 0;
  font-family: var(--serif);
  font-size: clamp(22px, 2.2vw, 27px);
  line-height: 1.2;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "";
  flex: none;
  width: 28px; height: 28px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background:
    linear-gradient(var(--graphite), var(--graphite)) center / 10px 1px no-repeat,
    linear-gradient(var(--graphite), var(--graphite)) center / 1px 10px no-repeat;
}
.faq details[open] summary::after {
  background: linear-gradient(var(--graphite), var(--graphite)) center / 10px 1px no-repeat;
}
.faq summary:hover { color: var(--sage-deep); }
.faq details p {
  padding: 0 48px 28px 0;
  color: var(--ink-soft);
  max-width: 40em;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(32px, 6vw, 96px);
  align-items: end;
}
.contact h2 { font-size: clamp(2.6rem, 5.6vw, 4.75rem); }
.contact-body p { color: var(--ink-soft); max-width: 32em; }
.contact-mail {
  display: inline-block;
  margin-top: 24px;
  font-family: var(--serif);
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.1;
  overflow-wrap: anywhere;
}

.closing {
  padding: clamp(88px, 12vw, 160px) 0;
  text-align: center;
}
.closing p {
  font-family: var(--serif);
  font-size: clamp(2.2rem, 5vw, 4.25rem);
  line-height: 1.1;
  max-width: 18em;
  margin: 0 auto;
}

.site-footer {
  border-top: 1px solid var(--line-strong);
  padding: 72px 0 32px;
  font-size: 15px;
}
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(0, 1fr));
  gap: 40px;
  padding-bottom: 56px;
}
.footer-brand p { margin-top: 18px; color: var(--ink-soft); }
.footer-col h2 {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 16px;
  line-height: 1.4;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.footer-col a { text-decoration: none; }
.footer-col a:hover { text-decoration: underline; }
.footer-base {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  background: linear-gradient(var(--line), var(--line)) center top / calc(100% - 2 * var(--gutter)) 1px no-repeat;
  color: var(--ink-soft);
  font-size: 14px;
}
.footer-base a { color: var(--ink-soft); }
.footer-base a:hover { color: var(--graphite); }

.legal { padding: clamp(64px, 9vw, 120px) 0 var(--section); }
.legal-inner { max-width: 720px; }
.legal h1 { font-size: clamp(3rem, 7vw, 5.5rem); margin-bottom: 16px; }
.legal .updated { color: var(--ink-soft); font-size: 15px; margin-bottom: 56px; padding-bottom: 32px; border-bottom: 1px solid var(--line); }
.legal h2 {
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  margin: 48px 0 14px;
  line-height: 1.15;
}
.legal p, .legal li { color: #3d3f3c; }
.legal p + p { margin-top: 14px; }
.legal ul { padding-left: 20px; margin: 14px 0 0; }
.legal li { margin-bottom: 8px; }
.legal li::marker { color: var(--sage-deep); }

@media (max-width: 1140px) {
  .site-nav ul { gap: 18px; }
  .site-nav a { font-size: 14px; }
}

@media (max-width: 1024px) {
  .header-inner { gap: 12px; }
  .status { margin-left: auto; }
  .nav-toggle { display: block; }

  .site-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--stone);
    border-bottom: 1px solid var(--line);
    display: none;
  }
  .site-nav.is-open { display: block; }
  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-width: calc(var(--wrap) + var(--gutter) * 2);
    margin: 0 auto;
    padding: 8px var(--gutter) 20px;
  }
  .site-nav li + li { border-top: 1px solid var(--line); }
  .site-nav a { display: block; padding: 16px 0; font-size: 17px; }
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { max-width: 560px; }
  .band-grid,
  .timer-grid,
  .checklist-grid,
  .teachers-grid,
  .faq-grid,
  .contact-grid { grid-template-columns: 1fr; }
  .checklist-head { position: static; }
  .method { grid-template-columns: 1fr; }
  .tips { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .footer-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .cornell { grid-template-columns: 1fr; }
  .cornell-figure { max-width: 320px; }
  .tips { grid-template-columns: 1fr; }
  .teachers-list { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .status { font-size: 12px; padding: 5px 12px 5px 10px; gap: 8px; }
  .brand-name { font-size: 24px; }
  .hero-facts dd { font-size: 20px; }
  .hero-facts div + div { padding-left: 12px; }
  .hero-actions .btn { flex: 1 1 auto; }
  .settings-row { gap: 14px; }
  .num-field input { font-size: 28px; }
  .phase-tab { padding: 0 12px; font-size: 13px; }
  .timer-controls .btn { padding: 0 18px; }
  .btn-start { min-width: 110px; }
  .timer-foot { justify-content: center; text-align: center; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .faq details p { padding-right: 0; }
  .method-body > p:first-child { font-size: 17px; }
}

@media (max-width: 380px) {
  .brand-name { font-size: 22px; }
  .brand-mark { width: 26px; height: 26px; }
  .phase-tab { padding: 0 10px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  .steam { opacity: .45; }
}

@media print {
  body { background: #fff; font-size: 12pt; }
  .site-header, .skip, .site-footer, .closing, .hero-art,
  .planner-tools, .presets, .timer-controls, .timer-foot, .method-index { display: none !important; }
  .section, .band, .hero { padding: 24px 0; background: #fff !important; border: 0; }
  .section-dark { color: var(--graphite); }
  .section-dark h2 em, .section-dark .eyebrow { color: var(--sage-deep); }
  .teachers-lede, .teachers-list p { color: var(--ink-soft); }
  .checklist-head { position: static; }
  .planner-scroll { overflow: visible; border-color: #999; }
  .planner { min-width: 0; }
  .cell { min-height: 72px; }
  .cell:empty::before { content: ""; }
  .method { break-inside: avoid; }

  html[data-print="planner"] main > :not(#planner),
  html[data-print="checklist"] main > :not(#checklist) { display: none !important; }
  html[data-print] .section-intro, html[data-print] .planner-hint { display: none; }
  html[data-print] .section-head { margin-bottom: 24px; }
}