@font-face {
  font-family: "DM Sans";
  src: url("assets/fonts/DMSans-VariableFont_opsz,wght.ttf") format("truetype");
  font-display: swap;
  font-style: normal;
  font-weight: 100 900;
}

@font-face {
  font-family: "DM Mono";
  src: url("assets/fonts/DMMono-Regular.ttf") format("truetype");
  font-display: swap;
  font-style: normal;
  font-weight: 400;
}

:root {
  --bg: #08080b;
  --sidebar: #050506;
  --panel: #111116;
  --panel-2: #17171d;
  --paper: #f2f2f2;
  --paper-2: #f2f2f2;
  --ink: #0b0b0f;
  --white: #f3f1ec;
  --muted: rgba(243, 241, 236, 0.62);
  --muted-dark: rgba(11, 11, 15, 0.62);
  --line: rgba(243, 241, 236, 0.13);
  --line-dark: rgba(11, 11, 15, 0.14);
  --accent: #9b4dff;
  --font-ui: "DM Sans", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "DM Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--white);
  font-family: var(--font-ui);
  letter-spacing: 0;
}

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

button {
  font: inherit;
}

.portal-shell {
  display: grid;
  grid-template-columns: 18rem minmax(0, 1fr);
  min-height: 100svh;
}

.sidebar {
  position: sticky;
  top: 0;
  display: grid;
  grid-template-rows: auto auto auto 1fr;
  gap: 2rem;
  height: 100svh;
  padding: 1.5rem;
  border-right: 1px solid var(--line);
  background:
    radial-gradient(circle at 20% 0%, rgba(155, 77, 255, 0.14), transparent 18rem),
    var(--sidebar);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.78rem;
}

.brand img {
  width: 25px;
  height: 25px;
}

.brand span {
  display: grid;
  gap: 0.1rem;
}

.brand strong {
  color: #fff;
  font-size: 0.86rem;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.brand small,
.client-lockup span,
.sidebar-note span,
.eyebrow,
.section-label,
.section-mark,
.module-card span,
.roadmap-list span,
.lesson-grid span,
.comparison span,
.prompt-title span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  line-height: 1.35;
  text-transform: uppercase;
}

.brand small {
  color: var(--muted);
  letter-spacing: 0.03em;
  text-transform: none;
}

.client-lockup {
  display: grid;
  gap: 0.35rem;
  padding-top: 0.25rem;
}

.client-lockup span,
.sidebar-note span,
.eyebrow,
.section-label,
.section-mark,
.module-card span,
.roadmap-list span,
.lesson-grid span,
.comparison span,
.prompt-title span {
  color: var(--accent);
}

.client-lockup strong {
  color: #fff;
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 400;
  line-height: 1;
}

.side-nav {
  display: grid;
  gap: 0.35rem;
}

.side-nav a {
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 0.75rem;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1;
}

.side-nav a:hover,
.side-nav a.is-active {
  border-color: var(--line);
  background: rgba(243, 241, 236, 0.06);
  color: #fff;
}

.side-nav a.is-disabled {
  cursor: default;
  opacity: 0.45;
}

.side-nav a.is-disabled:hover {
  border-color: transparent;
  background: transparent;
  color: var(--muted);
}

.sidebar-note {
  align-self: end;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1rem;
  color: var(--muted);
}

.sidebar-note p {
  margin: 0.6rem 0 0;
  font-size: 0.9rem;
  line-height: 1.45;
}

.main {
  min-width: 0;
  background: var(--paper);
  color: var(--ink);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  min-height: 8.5rem;
  padding: 2rem clamp(1.25rem, 4vw, 4rem);
  border-bottom: 1px solid var(--line-dark);
  background: var(--paper);
}

.portal-hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  background: #000;
  color: var(--white);
  box-shadow: inset 0 -8rem 8rem rgba(3, 3, 4, 0.82);
}

.portal-liquid,
.portal-hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.portal-liquid {
  z-index: 0;
}

.portal-hero-shade {
  z-index: 1;
  background:
    radial-gradient(circle at 50% 47%, transparent 0 16rem, rgba(0, 0, 0, 0.08) 28rem, rgba(0, 0, 0, 0.74) 66rem),
    linear-gradient(90deg, rgba(0, 0, 0, 0.66), transparent 24%, transparent 78%, rgba(0, 0, 0, 0.68)),
    linear-gradient(180deg, rgba(0, 0, 0, 0.48), transparent 24%, transparent 72%, rgba(0, 0, 0, 0.58));
}

.portal-hero-inner {
  position: relative;
  z-index: 2;
  min-height: 100svh;
  padding: clamp(2rem, 5vw, 4rem);
}

.portal-hero-copy {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(100% - 2rem, 50rem);
  text-align: center;
  transform: translate(-50%, -50%);
}

.hero-pill {
  display: inline-block;
  width: fit-content;
  max-width: calc(100% - 2rem);
  min-height: 1.875rem;
  margin: 0 auto 1rem;
  padding: 0 1rem;
  border-radius: 2rem;
  background: rgba(0, 0, 0, 0.3);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  line-height: 1.875rem;
  text-transform: uppercase;
}

.hero-pill span {
  color: var(--accent);
  font-family: inherit;
}

.portal-hero h1 {
  max-width: none;
  margin: 0;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 3.25rem;
  font-weight: 300;
  line-height: 1.2;
  text-wrap: balance;
}

.portal-hero-copy > p:not(.hero-pill) {
  max-width: 44rem;
  margin: 1.15rem auto 0;
  color: rgba(243, 241, 236, 0.78);
  font-size: 1.25rem;
  line-height: 1.4;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.portal-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.3rem;
  border: 1px solid rgba(243, 241, 236, 0.72);
  border-radius: 999px;
  padding: 0.5rem 1rem;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1;
}

.portal-hero-next {
  position: absolute;
  right: 2.5rem;
  bottom: 2.5rem;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 2.125rem;
  border: 1px solid #fff;
  border-radius: 2rem;
  padding: 0 1rem;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1;
}

.portal-hero-next:hover,
.portal-hero-next:focus-visible {
  background: var(--white);
  color: var(--bg);
  outline: none;
  transform: translateY(-1px);
}

.portal-button.primary {
  border-color: var(--accent);
  background: var(--accent);
}

.hero-console {
  border: 1px solid rgba(243, 241, 236, 0.18);
  border-radius: 12px;
  padding: 1.25rem;
  background: rgba(8, 8, 11, 0.68);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
}

.hero-console > span {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-console ol {
  display: grid;
  gap: 0.9rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.hero-console li {
  border-top: 1px solid rgba(243, 241, 236, 0.12);
  padding-top: 0.9rem;
}

.hero-console strong {
  display: block;
  color: #fff;
  font-size: 0.96rem;
}

.hero-console p {
  margin: 0.2rem 0 0;
  color: rgba(243, 241, 236, 0.64);
  font-size: 0.9rem;
  line-height: 1.4;
}

.eyebrow {
  margin: 0 0 0.65rem;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: clamp(2.2rem, 5vw, 4.7rem);
  font-weight: 400;
  line-height: 0.98;
  text-wrap: balance;
}

.top-action,
.copy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.2rem;
  border: 1px solid currentColor;
  border-radius: 999px;
  padding: 0.5rem 0.95rem;
  background: transparent;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1;
  cursor: pointer;
}

.top-action:hover,
.copy-btn:hover,
.portal-button:hover {
  transform: translateY(-1px);
}

.hero-panel,
.section {
  padding: clamp(4.2rem, 7vw, 6.5rem) clamp(2rem, 5vw, 4rem);
}

.hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(19rem, 0.75fr);
  gap: 2rem;
  align-items: stretch;
  background: var(--paper);
}

.hero-panel > div:first-child {
  border: 1px solid var(--line-dark);
  border-radius: 10px;
  padding: clamp(1.5rem, 4vw, 3rem);
  background: #fff;
}

.hero-panel h2,
.section h2 {
  margin-bottom: 1rem;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 400;
  line-height: 1;
  text-wrap: balance;
}

.hero-panel p,
.section-heading p,
.help-section p {
  max-width: 44rem;
  color: var(--muted-dark);
  font-size: 1.06rem;
  line-height: 1.55;
}

.status-stack,
.comparison {
  display: grid;
  gap: 0.75rem;
}

.status-stack article,
.comparison article,
.lesson-grid article,
.module-card,
.roadmap-list article,
.help-section {
  border: 1px solid var(--line-dark);
  border-radius: 10px;
  background: #fff;
}

.status-stack article,
.comparison article {
  padding: 1.15rem;
}

.status-stack span {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 1.25rem;
}

.status-stack strong {
  display: block;
  margin: 0.5rem 0 0.35rem;
  font-size: 1rem;
}

.status-stack p,
.comparison p,
.module-card p,
.roadmap-list p,
.lesson-grid p {
  margin: 0;
  color: var(--muted-dark);
  font-size: 0.94rem;
  line-height: 1.45;
}

.section {
  border-top: 0;
  background: var(--paper);
}

.section:nth-of-type(odd) {
  background: var(--paper-2);
}

.section-mark {
  max-width: 70rem;
  margin: 0 auto 0.85rem;
  color: var(--accent);
  font-size: 0.72rem;
  letter-spacing: 0.03rem;
  line-height: 1.35;
  text-transform: uppercase;
}

.section-head,
.section-heading {
  max-width: 70rem;
  margin: 0 auto 4rem;
}

.section-head.split,
.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(20rem, 0.82fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

.section-head h2,
.section-heading h2 {
  margin: 0;
}

.section-head h2 {
  max-width: 36rem;
  font-size: 3rem;
  line-height: 1;
}

.section-head p {
  margin: 0;
  color: var(--ink);
  font-size: 1.25rem;
  line-height: 1.4;
}

.module-grid,
.lesson-grid {
  max-width: 70rem;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.module-card,
.lesson-grid article {
  display: grid;
  grid-template-rows: 1.6rem auto 1fr auto;
  align-content: stretch;
  min-height: 15rem;
  padding: 1.25rem;
}

.module-card > span {
  align-self: start;
}

.module-card h3,
.roadmap-list h3,
.lesson-grid h3,
.comparison h3,
.prompt-title h3 {
  margin: 0 0 0.8rem;
  color: var(--ink);
  font-size: 1.2rem;
  font-weight: 600;
  line-height: 1.2;
}

.module-card h3 {
  align-self: start;
}

.module-card strong {
  align-self: end;
  justify-self: start;
  margin-top: 2rem;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 400;
}

.learning-grid {
  display: grid;
  max-width: 70rem;
  margin: 0 auto;
  grid-template-columns: minmax(0, 0.78fr) minmax(26rem, 1fr);
  gap: clamp(1rem, 2.4vw, 1.75rem);
  align-items: stretch;
}

.guide-feature {
  grid-template-columns: 1fr;
  align-items: center;
  gap: 1rem;
}

.guide-feature.reverse {
  grid-template-columns: 1fr;
}

.learning-panel,
.screenshot-placeholder,
.exercise-card,
.concept-card,
.workflow-card,
.safety-card {
  border: 1px solid var(--line-dark);
  border-radius: 10px;
  background: #fff;
}

.learning-panel,
.exercise-card {
  padding: clamp(1.25rem, 3vw, 2rem);
}

.learning-panel {
  display: grid;
  align-content: start;
  min-width: 0;
  min-height: 100%;
}

.guide-feature .learning-panel {
  display: block;
  min-height: 0;
  padding: clamp(1.25rem, 2.3vw, 1.75rem);
}

.guide-feature .learning-panel > span,
.guide-feature .learning-panel > h3,
.guide-feature .learning-panel > p {
  grid-column: auto;
}

.guide-feature .learning-panel .learning-list {
  grid-column: auto;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 1.35rem;
}

.guide-feature .learning-panel .learning-list li {
  min-height: 7.25rem;
  border: 1px solid rgba(11, 11, 15, 0.1);
  border-radius: 8px;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.55);
}

.learning-panel > span {
  display: block;
  margin-bottom: 1.15rem;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  line-height: 1.35;
  text-transform: uppercase;
}

.learning-panel h3,
.exercise-card h3,
.concept-card h3,
.workflow-card h3,
.safety-card h3 {
  margin: 0 0 0.75rem;
  color: var(--ink);
  font-size: 1.2rem;
  font-weight: 600;
  line-height: 1.2;
}

.learning-panel p,
.exercise-card p,
.concept-card p,
.workflow-card p,
.safety-card p {
  margin: 0;
  color: var(--muted-dark);
  font-size: 1rem;
  line-height: 1.52;
}

.learning-list,
.plain-list {
  display: grid;
  gap: 0;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.learning-list li,
.plain-list li {
  border-top: 1px solid rgba(11, 11, 15, 0.1);
  padding: 0.85rem 0;
  color: var(--muted-dark);
  font-size: 0.98rem;
  line-height: 1.48;
}

.learning-list li:last-child,
.plain-list li:last-child {
  padding-bottom: 0;
}

.learning-list strong,
.plain-list strong {
  color: var(--ink);
}

.screenshot-card {
  position: relative;
  display: grid;
  gap: 0;
  min-width: 0;
  width: 100%;
  margin: 0;
  border: 1px solid var(--line-dark);
  border-radius: 10px;
  background: var(--panel);
  overflow: hidden;
  box-shadow: 0 1.4rem 3.6rem rgba(11, 11, 15, 0.12);
}

.screenshot-card img {
  display: block;
  width: 100%;
  min-width: 0;
  height: auto;
  max-height: none;
  object-fit: contain !important;
  object-position: center;
}

.screenshot-card figcaption {
  margin: 0;
  padding: 1rem 1.15rem 1.1rem;
  border-top: 1px solid rgba(243, 241, 236, 0.14);
  color: rgba(243, 241, 236, 0.7);
  font-size: 0.92rem;
  line-height: 1.45;
}

.screenshot-card figcaption span {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  line-height: 1.35;
  text-transform: uppercase;
}

.stacked-shot {
  grid-template-columns: 1fr;
  gap: 0.9rem;
  padding: 0.9rem;
}

.stacked-shot img {
  height: auto;
  border: 1px solid rgba(243, 241, 236, 0.16);
  border-radius: 6px;
}

.stacked-shot figcaption {
  grid-column: auto;
  margin: 0 -0.9rem -0.9rem;
}

.screenshot-placeholder {
  display: grid;
  align-content: end;
  min-height: 24rem;
  padding: 1.25rem;
  background:
    linear-gradient(135deg, rgba(155, 77, 255, 0.12), transparent 42%),
    linear-gradient(180deg, #111116, #050506);
  color: var(--white);
}

.screenshot-placeholder span {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  line-height: 1.35;
  text-transform: uppercase;
}

.screenshot-placeholder h3 {
  margin: 0.65rem 0;
  color: #fff;
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 3vw, 2.7rem);
  font-weight: 400;
  line-height: 1;
}

.screenshot-placeholder p {
  margin: 0;
  color: rgba(243, 241, 236, 0.72);
  font-size: 0.95rem;
  line-height: 1.45;
}

.concept-grid,
.workflow-grid,
.safety-grid {
  display: grid;
  max-width: 70rem;
  margin: 0 auto;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.four-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.concept-card,
.workflow-card,
.safety-card {
  display: grid;
  grid-template-rows: 1.35rem minmax(3.15rem, auto) 1fr;
  align-content: start;
  min-height: 12rem;
  padding: 1.25rem;
}

.four-grid .concept-card {
  min-height: 13rem;
}

.term-card {
  min-height: 13rem;
}

.term-card h3 {
  font-family: var(--font-mono);
  font-size: clamp(1.55rem, 2vw, 2rem);
  font-weight: 400;
  line-height: 1;
}

.concept-card span,
.workflow-card span,
.safety-card span,
.exercise-card span {
  display: block;
  margin-bottom: 1rem;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  line-height: 1.35;
  text-transform: uppercase;
}

.exercise-card {
  max-width: 70rem;
  margin: 0 auto;
}

.exercise-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.exercise-steps article {
  border-top: 1px solid var(--line-dark);
  padding-top: 1rem;
}

.exercise-steps strong {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--ink);
  font-size: 0.95rem;
}

.exercise-steps p {
  font-size: 0.9rem;
}

.prompt-group-label {
  width: 100%;
  max-width: 70rem;
  margin: 3.5rem auto 0.7rem;
  padding: 0;
  border: 0;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: clamp(1.35rem, 1.8vw, 1.85rem);
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.15;
  text-align: left;
  text-transform: none;
  justify-self: stretch;
}

.prompt-group-label:first-child {
  margin-top: 0;
}

.primary-card {
  background: var(--panel);
  color: var(--white);
}

.module-card[href]:hover,
.top-action:hover,
.portal-button:hover {
  filter: brightness(1.02);
}

.primary-card h3,
.primary-card p {
  color: var(--white);
}

.primary-card p {
  opacity: 0.72;
}

.two-col {
  display: grid;
  grid-template-columns: minmax(30rem, 0.95fr) minmax(22rem, 0.85fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

.two-col .section-heading {
  display: block;
  margin: 0;
}

.two-col .section-head {
  display: grid;
  gap: 0.9rem;
  margin: 0;
}

.section-support-copy {
  max-width: 32rem;
  margin: 0;
  color: var(--muted-dark);
  font-size: 1.05rem;
  line-height: 1.5;
}

.roadmap-list {
  max-width: 70rem;
  display: grid;
  gap: 0.75rem;
}

.roadmap-list article {
  padding: 1.25rem;
}

.help-section {
  position: relative;
  display: block;
  min-height: 34vh;
  margin: 0;
  border: 0;
  border-radius: 0;
  padding: clamp(4.2rem, 6.5vw, 6rem) clamp(2rem, 5vw, 4rem) 2.4rem;
  background: #000;
  color: var(--white);
  overflow: hidden;
}

.help-liquid,
.help-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.help-liquid {
  z-index: 0;
}

.help-shade {
  z-index: 1;
}

.help-content {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0 4rem;
  align-items: end;
  max-width: 70rem;
  min-height: 19rem;
  margin: 0 auto;
  z-index: 1;
}

.help-section h2 {
  max-width: 34rem;
  margin: 0;
  color: #fff;
  font-size: clamp(3.15rem, 4.85vw, 5rem);
  font-weight: 300;
  line-height: 1.06;
}

.help-section h2 span {
  display: block;
  font-family: inherit;
  white-space: nowrap;
}

.help-section .top-action {
  align-self: end;
  margin-bottom: 0.65rem;
  color: #fff;
}

.guide-hero {
  background: var(--paper);
}

.comparison {
  align-self: stretch;
}

.lesson-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.lesson-grid article span {
  display: block;
  margin-bottom: 4rem;
  color: var(--accent);
  font-size: 1.5rem;
}

.prompt-list {
  display: grid;
  border-top: 0;
}

.prompt-row {
  display: grid;
  grid-template-columns: minmax(13rem, 0.45fr) minmax(0, 1fr) auto;
  gap: 1.5rem;
  align-items: start;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--line-dark);
}

.prompt-title h3 {
  font-size: 1rem;
}

pre {
  margin: 0;
  overflow: auto;
  white-space: pre-wrap;
}

code {
  display: block;
  padding: 1rem;
  border: 1px solid var(--line-dark);
  border-radius: 8px;
  background: #fff;
  color: rgba(11, 11, 15, 0.82);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.5;
}

.copy-btn {
  white-space: nowrap;
}

.copy-btn.copied {
  border-color: var(--accent);
  color: var(--accent);
}

@media (max-width: 980px) {
  .portal-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: relative;
    height: auto;
    grid-template-rows: auto;
    gap: 1.25rem;
  }

  .side-nav {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .sidebar-note {
    display: none;
  }

  .hero-panel,
  .portal-hero-inner,
  .portal-hero-copy,
  .help-content,
  .section-head.split,
  .section-heading,
  .two-col,
  .prompt-row {
    grid-template-columns: 1fr;
  }

  .module-grid,
  .lesson-grid,
  .concept-grid,
  .workflow-grid,
  .safety-grid,
  .exercise-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .learning-grid {
    grid-template-columns: 1fr;
  }

  .guide-feature.reverse {
    grid-template-columns: 1fr;
  }

  .guide-feature .learning-panel {
    grid-template-columns: 1fr;
  }

  .guide-feature .learning-panel > span,
  .guide-feature .learning-panel > h3,
  .guide-feature .learning-panel > p,
  .guide-feature .learning-panel .learning-list {
    grid-column: auto;
  }

  .guide-feature .learning-panel .learning-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 1.5rem;
  }

  .help-content {
    grid-template-columns: 1fr;
    gap: 0.9rem;
  }
}

@media (max-width: 680px) {
  .sidebar {
    padding: 1rem;
  }

  .side-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .topbar {
    display: grid;
    min-height: auto;
    padding: 1.5rem 1rem;
  }

  .portal-hero,
  .portal-hero-inner {
    min-height: 100svh;
  }

  .portal-hero-inner {
    padding: 3rem 1rem 2rem;
  }

  .portal-hero h1 {
    font-size: clamp(2.4rem, 11vw, 3.25rem);
  }

  .portal-hero-copy > p:not(.hero-pill),
  .section-support-copy {
    font-size: 1.05rem;
  }

  .portal-hero-next {
    right: 1rem;
    bottom: 1rem;
  }

  .top-action {
    justify-self: start;
  }

  .hero-panel,
  .section,
  .help-section {
    padding: 1rem;
  }

  .module-grid,
  .lesson-grid,
  .concept-grid,
  .workflow-grid,
  .safety-grid,
  .exercise-steps {
    grid-template-columns: 1fr;
  }

  .screenshot-placeholder {
    min-height: 18rem;
  }

  .screenshot-card,
  .learning-panel,
  .exercise-card,
  .concept-card,
  .workflow-card,
  .safety-card {
    border-radius: 8px;
  }

  .stacked-shot {
    grid-template-columns: 1fr;
  }

  .stacked-shot img {
    aspect-ratio: 16 / 9;
  }

  .guide-feature .learning-panel .learning-list {
    grid-template-columns: 1fr;
  }

  .help-section {
    align-items: flex-start;
    min-height: 20rem;
    margin: 0;
  }

  .help-section h2 {
    font-size: clamp(2.5rem, 12vw, 3.4rem);
  }

  .help-section h2 span {
    white-space: normal;
  }
}