:root {
  color-scheme: dark;
  --background: #0d0c1d;
  --text: #f6f5fc;
  --muted: #b5b2c9;
  --lavender: #bba5ff;
  --teal: #71e9dd;
  --border: rgba(199, 186, 255, .16);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; background: var(--background); color: var(--text); font-family: "Avenir Next", Avenir, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 3px solid var(--teal); outline-offset: 6px; }
img { max-width: 100%; }
p, h1, h2, h3 { margin: 0; }
.wrap { width: min(1240px, calc(100% - 96px)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 12px; left: 12px; padding: 12px 20px; background: var(--text); color: var(--background); z-index: 10; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.site-header { min-height: 92px; padding: 22px 48px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--border); }
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: "Space Grotesk", "Avenir Next", Avenir, "Segoe UI", sans-serif !important;
  font-weight: 600;
  font-size: 1.28rem;
  letter-spacing: -0.03em;
  --logo-lockup-gradient: linear-gradient(90deg, #0747a6 0%, #0868d4 35%, #0a84ff 70%, #3d9eff 100%);
  --logo-shine-overlay: linear-gradient(110deg, rgba(255, 255, 255, 0) 38%, rgba(255, 255, 255, 0.22) 50%, rgba(255, 255, 255, 0) 62%);
}
.logo #appName,
.logo .brand-text strong,
.logo > span {
  font-family: "Space Grotesk", "Avenir Next", Avenir, "Segoe UI", sans-serif !important;
  background-image: var(--logo-lockup-gradient), var(--logo-shine-overlay);
  background-size: 100% 100%, 220% 100%;
  background-position: 0 0, 130% 0;
  background-repeat: no-repeat;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: logoWordmarkShine 9s ease-in-out infinite;
  font-weight: 600;
  letter-spacing: -0.03em;
}
@keyframes logoWordmarkShine {
  0%, 72%, 100% { background-position: 0 0, 130% 0; }
  88% { background-position: 0 0, -35% 0; }
}
.electric-logo {
  display: block;
  width: 24px;
  height: 29.0763px;
  color: #0a84ff;
  filter:
    drop-shadow(0 10px 22px rgba(10, 132, 255, 0.34))
    drop-shadow(0 3px 8px rgba(0, 0, 0, 0.2));
  transition: transform 0.22s cubic-bezier(.2,.8,.2,1), filter 0.22s ease;
}
.electric-logo #SB-logo path,
.electric-logo path {
  fill: currentColor !important;
}
.logo:hover .electric-logo {
  transform: translateY(-1px);
  filter:
    drop-shadow(0 14px 30px rgba(10, 132, 255, 0.48))
    drop-shadow(0 4px 10px rgba(0, 0, 0, 0.24));
}
.logo-footer { font-size: 1.05rem; }
.logo-footer .electric-logo { width: 20px; height: 24.23px; }
.brand-dot { color: var(--teal); }
.site-header nav, .site-footer nav { display: flex; gap: 32px; align-items: center; font-size: 14px; font-weight: 600; }
.site-header nav > a:first-child { color: var(--muted); }
.nav-cta { padding: 11px 17px; border: 1px solid var(--border); border-radius: 999px; }
.nav-cta span { margin-left: 14px; color: var(--teal); }
nav a:hover, .text-link:hover { color: var(--teal); }
.hero { position: relative; isolation: isolate; overflow: hidden; min-height: 760px; display: flex; align-items: center; }
.hero-art, .hero-shade { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -2; }
.hero-art { object-fit: cover; object-position: 65% center; }
.hero-shade { z-index: -1; background: linear-gradient(90deg, rgba(13, 12, 29, .97), rgba(13, 12, 29, .78) 34%, rgba(13, 12, 29, .15) 78%), linear-gradient(0deg, var(--background), transparent 34%); }
.hero-content { padding-block: 70px 112px; }
.eyebrow { color: var(--lavender); font-size: 11px; font-weight: 750; letter-spacing: 2.3px; line-height: 1.7; display: flex; align-items: center; gap: 12px; }
.eyebrow-line { width: 28px; height: 2px; background: var(--teal); }
.hero-kicker { margin-top: 27px; color: #d6d2e6; font-size: 15px; }
h1 {
  margin-top: 16px;
  font-family: "Outfit", "Avenir Next", Avenir, "Segoe UI", sans-serif;
  font-weight: 800;
  font-size: clamp(54px, 6.6vw, 96px);
  line-height: 1.1;
  letter-spacing: -0.012em;
  text-wrap: balance;
}
h1 span { color: var(--teal); }
.hero-subtitle { margin-top: 25px; font-size: clamp(17px, 2vw, 23px); font-weight: 650; letter-spacing: -.5px; }
.hero-subtitle span { color: var(--lavender); }
.hero-description { margin-top: 18px; max-width: 475px; font-size: 16px; color: #d1cede; line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 26px; margin-top: 32px; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 14px; padding: 17px 23px; border-radius: 8px; font-size: 14px; font-weight: 750; transition: background .2s, transform .2s, border-color .2s, color .2s; border: 0; cursor: pointer; font: inherit; }
.button-primary { color: #111026; background: var(--teal); box-shadow: 0 5px 32px rgba(113, 233, 221, .13); }
.button-primary:hover { background: #a1fff4; transform: translateY(-2px); }
.button-ghost { color: var(--text); background: transparent; border: 1px solid var(--border); }
.button-ghost:hover { border-color: rgba(113, 233, 221, .45); color: var(--teal); transform: translateY(-2px); }
.button span, .text-link span { font-size: 20px; }
.closing-actions { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.closing-section .button { margin-top: 0; }
.text-link { display: inline-flex; align-items: center; gap: 15px; font-size: 13px; font-weight: 600; }
.hero-note { margin-top: 30px; display: flex; align-items: center; gap: 9px; font-size: 10px; font-weight: 650; letter-spacing: 1.8px; color: #c7c3d7; }
.status-dot { flex-shrink: 0; width: 6px; height: 6px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 12px rgba(113, 233, 221, .45); }
.note-divider { margin-inline: 8px; color: #7c758f; }
.hero-caption { position: absolute; bottom: 48px; right: 48px; display: flex; flex-direction: column; align-items: flex-end; gap: 10px; font-size: 9px; letter-spacing: 2px; color: #d7d2ef; }
.hero-caption span:last-child { color: var(--teal); }
.event-strip { position: relative; margin-top: -24px; display: grid; grid-template-columns: 1fr 1.15fr 1.1fr; border: 1px solid var(--border); border-radius: 14px; background: linear-gradient(115deg, #1d1933, #121422); box-shadow: 0 20px 50px rgba(0, 0, 0, .2); }
.event-item { display: flex; align-items: flex-start; gap: 17px; padding: 32px 27px; }
.event-item + .event-item { border-left: 1px solid var(--border); }
.detail-icon { display: grid; place-items: center; color: var(--lavender); border: 1px solid var(--border); border-radius: 10px; width: 42px; height: 42px; flex-shrink: 0; }
.detail-icon svg { width: 23px; height: 23px; }
.detail-label { font-size: 9px; letter-spacing: 1.7px; color: var(--lavender); font-weight: 700; margin-bottom: 9px; }
.detail-value { font-size: 17px; font-weight: 700; letter-spacing: -.5px; }
.detail-support { margin-top: 8px; font-size: 13px; line-height: 1.7; color: var(--muted); }
.location-note { color: var(--teal); font-size: 12px; }
.learning-section { padding-block: 116px 100px; }
.section-heading { display: flex; justify-content: space-between; gap: 48px; align-items: flex-end; }
h2 { font-size: clamp(34px, 4.2vw, 54px); letter-spacing: -2.2px; line-height: 1.13; font-weight: 750; }
.section-heading h2 { margin-top: 18px; }
.section-heading h2 span { color: var(--muted); }
.section-description { max-width: 360px; color: var(--muted); font-size: 15px; line-height: 1.9; padding-bottom: 4px; }
.topic-grid { margin-top: 42px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.topic-card { padding: 28px; border: 1px solid var(--border); border-radius: 12px; background: linear-gradient(145deg, #19162b, #100f21); }
.card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 42px; }
.topic-number { color: #a59ebd; font-size: 12px; font-weight: 600; letter-spacing: 2px; }
.topic-symbol { border: 1px solid var(--border); border-radius: 50%; width: 40px; height: 40px; display: grid; place-items: center; color: var(--teal); font-size: 24px; }
h3 { font-size: 23px; letter-spacing: -.8px; }
.topic-card p { margin-top: 14px; color: var(--muted); line-height: 1.8; font-size: 14px; }
.topic-tag { display: inline-block; color: var(--lavender); font-size: 9px; font-weight: 700; letter-spacing: 1.8px; padding-top: 29px; }
.closing-section { margin-block: 100px 80px; padding: 70px 24px; text-align: center; border-block: 1px solid var(--border); background: radial-gradient(ellipse at center, #34214c55, transparent 65%); }
.closing-section .eyebrow { justify-content: center; }
.closing-section h2 { margin-top: 22px; }
.closing-section h2 span { color: var(--teal); }
.closing-section > p:not(.eyebrow) { margin-top: 22px; color: var(--muted); font-size: 15px; }
.classroom-section { padding-bottom: 40px; }
.classroom-heading { align-items: flex-start; }
.classroom-steps { list-style: none; margin: 36px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.classroom-steps li { display: flex; gap: 16px; padding: 24px; border: 1px solid var(--border); border-radius: 14px; background: linear-gradient(160deg, rgba(36, 30, 62, .9), rgba(16, 15, 33, .95)); }
.step-num { color: var(--teal); font-size: 12px; font-weight: 750; letter-spacing: 2px; }
.classroom-steps h3 { font-size: 18px; letter-spacing: -.4px; }
.classroom-steps p { margin-top: 10px; color: var(--muted); font-size: 14px; line-height: 1.75; }
.instructor-note { margin-top: 22px; padding: 22px 24px; border-radius: 14px; border: 1px dashed rgba(187, 165, 255, .35); background: rgba(187, 165, 255, .06); }
.instructor-note p:not(.detail-label) { margin-top: 8px; color: #d8d3ea; font-size: 14px; line-height: 1.75; max-width: 70ch; }
.join-lab-card {
  margin-top: 34px;
  display: grid;
  grid-template-columns: 1.4fr auto;
  gap: 28px;
  align-items: center;
  padding: 26px 28px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(36, 30, 62, .95), rgba(16, 15, 33, .98));
}
.join-lab-url {
  margin-top: 10px;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--teal);
}
.join-lab-help {
  margin-top: 12px;
  max-width: 46ch;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}
.join-lab-actions {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.join-lab-visual {
  margin: 0;
  text-align: center;
}
.join-lab-visual img {
  width: 168px;
  height: 168px;
  border-radius: 16px;
  background: #f6f5fc;
  border: 1px solid var(--border);
}
.join-lab-visual figcaption {
  margin-top: 10px;
  font-size: 11px;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--lavender);
  font-weight: 700;
}
.instructor-panel {
  margin-top: 22px;
  padding: 22px;
  border: 1px solid rgba(113, 233, 221, .22);
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(113, 233, 221, .07), rgba(187, 165, 255, .05));
}
.instructor-panel.hidden { display: none; }
.instructor-panel-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
}
.instructor-room-code {
  margin-top: 8px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: .04em;
}
.instructor-room-code strong { color: var(--teal); font-size: 28px; letter-spacing: .12em; }
.instructor-room-help { margin-top: 8px; color: var(--muted); font-size: 13px; line-height: 1.6; max-width: 46ch; }
.instructor-panel-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.room-pulse { margin-top: 22px; }
.pulse-bars { display: grid; gap: 12px; margin-top: 12px; }
.pulse-row {
  display: grid;
  grid-template-columns: 64px 1fr 36px;
  gap: 12px;
  align-items: center;
  font-size: 13px;
  font-weight: 700;
}
.pulse-track {
  height: 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .06);
  overflow: hidden;
}
.pulse-fill {
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--lavender), var(--teal));
  transition: width .35s ease;
}
.pulse-row[data-choice="safe"] .pulse-fill { background: #7dd3c8; }
.pulse-row[data-choice="pause"] .pulse-fill { background: #f0c674; }
.pulse-row[data-choice="scam"] .pulse-fill { background: #ff8aa0; }
.pulse-meta { margin-top: 12px; color: var(--muted); font-size: 13px; }
.host-wait-note {
  margin-top: 18px;
  padding: 16px 18px;
  border-radius: 12px;
  border: 1px dashed rgba(113, 233, 221, .35);
  color: #d8d3ea;
  line-height: 1.7;
}
.host-answer-strip {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.host-answer-chip {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}
.host-answer-chip.is-correct {
  color: #111026;
  background: var(--teal);
  border-color: var(--teal);
}
.feedback-banner.is-wait {
  border-color: rgba(187, 165, 255, .35);
  background: rgba(187, 165, 255, .08);
}
.feedback-score-chip.is-wait {
  color: var(--lavender);
}
.attendee-hold {
  margin-top: 14px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}
.takeaway-card {
  margin-top: 24px;
  padding: 22px;
  border-radius: 16px;
  border: 1px solid rgba(113, 233, 221, .22);
  background: linear-gradient(145deg, rgba(113, 233, 221, .08), rgba(187, 165, 255, .05));
}
.takeaway-strength {
  margin-top: 10px;
  font-size: 18px;
  line-height: 1.5;
}
.takeaway-strength strong { color: var(--teal); }
.takeaway-review-label {
  margin-top: 18px;
  font-size: 10px;
  letter-spacing: 1.7px;
  font-weight: 750;
  color: var(--lavender);
  text-transform: uppercase;
}
.takeaway-why { color: var(--muted); }
.lab-section { padding-block: 40px 90px; }
.lab-intro { display: grid; grid-template-columns: 1.4fr .8fr; gap: 28px; align-items: end; }
.lab-copy { margin-top: 18px; max-width: 54ch; color: var(--muted); font-size: 15px; line-height: 1.85; }
.lab-start-panel { padding: 24px; border: 1px solid var(--border); border-radius: 16px; background: linear-gradient(145deg, #1d1933, #121422); display: grid; gap: 10px; }
.lab-stat { color: var(--muted); font-size: 13px; letter-spacing: .2px; }
.lab-stat strong { color: var(--text); font-size: 22px; margin-right: 6px; }
.lab-start-panel .button { margin-top: 10px; width: 100%; }
.class-quiz { margin-top: 28px; border: 1px solid var(--border); border-radius: 18px; overflow: hidden; background: #12111f; box-shadow: 0 24px 60px rgba(0, 0, 0, .28); }
.quiz-toolbar { display: grid; grid-template-columns: minmax(220px, 280px) 1fr; gap: 18px; align-items: center; padding: 18px 22px; border-bottom: 1px solid var(--border); background: rgba(255, 255, 255, .02); }
.quiz-scoreboard {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(113, 233, 221, .18);
  background: linear-gradient(145deg, rgba(113, 233, 221, .08), rgba(187, 165, 255, .05));
}
.quiz-scoreboard.is-pulse { animation: scorePulse .45s ease; }
.scoreboard-meter { position: relative; width: 72px; height: 72px; flex-shrink: 0; }
.scoreboard-ring { width: 72px; height: 72px; transform: rotate(-90deg); }
.scoreboard-ring-track,
.scoreboard-ring-fill {
  fill: none;
  stroke-width: 7;
}
.scoreboard-ring-track { stroke: rgba(255, 255, 255, .08); }
.scoreboard-ring-fill {
  stroke: var(--teal);
  stroke-linecap: round;
  transition: stroke-dashoffset .45s ease, stroke .3s ease;
}
.scoreboard-ring-fill.is-mid { stroke: #f0c674; }
.scoreboard-ring-fill.is-low { stroke: #ff8aa0; }
.scoreboard-ring-fill.is-strong { stroke: var(--teal); }
.scoreboard-meter-copy {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  text-align: center;
  line-height: 1;
}
.scoreboard-meter-copy strong {
  font-size: 24px;
  font-weight: 800;
  color: var(--text);
}
.scoreboard-meter-copy span {
  margin-top: 4px;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: .4px;
}
.scoreboard-title {
  margin: 0;
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--lavender);
}
.scoreboard-detail {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.45;
  color: #d5d0e6;
}
.quiz-progress { --progress: 0%; position: relative; min-width: 0; display: grid; gap: 10px; }
.quiz-progress-bar { height: 4px; border-radius: 999px; background: rgba(255, 255, 255, .08); overflow: hidden; }
.quiz-progress-bar::after { content: ""; display: block; width: var(--progress); height: 100%; background: linear-gradient(90deg, var(--lavender), var(--teal)); transition: width .35s ease; }
.quiz-progress-label { font-size: 12px; letter-spacing: 1.4px; text-transform: uppercase; color: #b7b1cc; font-weight: 650; }
.quiz-pips { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.quiz-pip {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, .18);
  background: transparent;
  transition: background .25s ease, border-color .25s ease, transform .25s ease, box-shadow .25s ease;
}
.quiz-pip.is-upcoming { opacity: .55; }
.quiz-pip.is-current {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(113, 233, 221, .16);
  transform: scale(1.12);
}
.quiz-pip.is-correct {
  background: var(--teal);
  border-color: var(--teal);
  box-shadow: 0 0 12px rgba(113, 233, 221, .35);
}
.quiz-pip.is-miss {
  background: #ff8aa0;
  border-color: #ff8aa0;
  box-shadow: 0 0 12px rgba(255, 138, 160, .28);
}
.feedback-score-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 10px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .2px;
}
.feedback-score-chip.is-good {
  color: #0d2a28;
  background: rgba(113, 233, 221, .85);
}
.feedback-score-chip.is-learn {
  color: #2a2148;
  background: rgba(187, 165, 255, .88);
}
@keyframes scorePulse {
  0% { transform: scale(1); }
  40% { transform: scale(1.02); box-shadow: 0 0 0 4px rgba(113, 233, 221, .12); }
  100% { transform: scale(1); }
}
.quiz-stage { padding: 28px; min-height: 420px; }
.quiz-idle { max-width: 54ch; color: var(--muted); line-height: 1.8; }
.quiz-idle .eyebrow { margin-bottom: 14px; }
.quiz-meta { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 14px; }
.quiz-channel, .quiz-tactic { font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; padding: 7px 11px; border-radius: 999px; border: 1px solid var(--border); }
.quiz-channel { color: var(--teal); }
.quiz-tactic { color: var(--lavender); }
.quiz-prompt { font-size: clamp(24px, 3vw, 34px); letter-spacing: -1px; line-height: 1.2; max-width: 22ch; }
.message-mock { margin: 22px 0 0; padding: 18px 18px 20px; border-radius: 18px; border: 1px solid rgba(113, 233, 221, .18); background: linear-gradient(180deg, #1a2438, #121826); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .04), 0 18px 40px rgba(0, 0, 0, .25); max-width: 520px; animation: mockIn .45s ease both; }
.message-from { font-size: 12px; font-weight: 750; letter-spacing: .4px; color: #9fd8ff; margin-bottom: 10px; }
.message-body { margin: 0; color: #e8eef8; font-size: 15px; line-height: 1.65; white-space: pre-wrap; }
.quiz-choices { margin-top: 22px; display: grid; gap: 12px; max-width: 640px; }
.quiz-choice { display: flex; align-items: flex-start; gap: 14px; text-align: left; padding: 16px 18px; border-radius: 12px; border: 1px solid var(--border); background: rgba(255, 255, 255, .03); color: var(--text); cursor: pointer; transition: border-color .2s, background .2s, transform .2s; }
.quiz-choice:hover:not(:disabled) { border-color: rgba(113, 233, 221, .45); transform: translateY(-1px); }
.quiz-choice:disabled { cursor: default; opacity: .92; }
.choice-key { width: 28px; height: 28px; border-radius: 8px; display: grid; place-items: center; flex-shrink: 0; font-size: 12px; font-weight: 800; color: #111026; background: var(--lavender); }
.choice-label { font-size: 15px; line-height: 1.45; padding-top: 3px; }
.quiz-choice.is-correct { border-color: rgba(113, 233, 221, .7); background: rgba(113, 233, 221, .1); }
.quiz-choice.is-wrong { border-color: rgba(255, 120, 140, .55); background: rgba(255, 90, 110, .08); }
.quiz-feedback { margin-top: 22px; animation: mockIn .35s ease both; }
.feedback-banner { padding: 18px 20px; border-radius: 14px; margin-bottom: 16px; }
.feedback-banner.is-good { background: rgba(113, 233, 221, .1); border: 1px solid rgba(113, 233, 221, .28); }
.feedback-banner.is-learn { background: rgba(187, 165, 255, .1); border: 1px solid rgba(187, 165, 255, .28); }
.feedback-banner p { margin-top: 8px; color: #d7d2ea; line-height: 1.7; font-size: 14px; }
.feedback-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 18px; }
.feedback-label { font-size: 10px; letter-spacing: 1.7px; font-weight: 750; color: var(--lavender); margin-bottom: 10px; }
.feedback-grid ul { margin: 0; padding-left: 18px; color: var(--muted); line-height: 1.7; font-size: 14px; }
.feedback-grid p { margin: 0; color: var(--muted); line-height: 1.7; font-size: 14px; }
.feedback-guide { display: inline-flex; align-items: center; gap: 10px; margin-top: 14px; color: var(--teal); font-size: 13px; font-weight: 700; }
.quiz-next { margin-top: 4px; }
.quiz-results h3 { font-size: clamp(28px, 4vw, 44px); letter-spacing: -1.4px; max-width: 16ch; }
.quiz-results h3 span { color: var(--teal); }
.result-score { margin-top: 16px; font-size: 18px; color: #d9d4ea; }
.result-score strong { color: var(--teal); font-size: 34px; }
.result-tip { margin-top: 12px; max-width: 52ch; color: var(--muted); line-height: 1.75; }
.result-panels { margin-top: 28px; display: grid; grid-template-columns: 1fr 1.2fr; gap: 16px; }
.result-panel { padding: 20px; border-radius: 14px; border: 1px solid var(--border); background: rgba(255, 255, 255, .02); }
.result-misses { margin: 0; padding-left: 18px; color: var(--muted); line-height: 1.9; }
.result-misses a { color: var(--teal); }
.result-clean { margin: 0; color: var(--muted); line-height: 1.7; }
.result-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.resources-section { padding-bottom: 90px; }
.resource-rail { margin-top: 36px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.resource-item { display: flex; flex-direction: column; gap: 10px; padding: 22px; border-radius: 14px; border: 1px solid var(--border); background: linear-gradient(155deg, #19162b, #100f21); min-height: 180px; transition: transform .2s, border-color .2s; }
.resource-item:hover { transform: translateY(-3px); border-color: rgba(113, 233, 221, .4); }
.resource-kicker { font-size: 10px; letter-spacing: 1.6px; color: var(--lavender); font-weight: 750; }
.resource-item strong { font-size: 18px; letter-spacing: -.4px; }
.resource-item span:last-child { color: var(--muted); font-size: 13px; line-height: 1.7; }
.resource-guides { margin-top: 28px; }
.guide-chip-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.guide-chip-row a { padding: 10px 14px; border-radius: 999px; border: 1px solid var(--border); color: #d5d0e6; font-size: 13px; font-weight: 600; transition: border-color .2s, color .2s, background .2s; }
.guide-chip-row a:hover { border-color: rgba(113, 233, 221, .45); color: var(--teal); background: rgba(113, 233, 221, .06); }
@keyframes mockIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.site-footer { padding-bottom: 38px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.site-footer p, .site-footer nav { font-size: 12px; color: var(--muted); }

@media (min-width: 1600px) {
  .hero { min-height: 850px; }
}
@media (max-width: 1050px) {
  .wrap { width: calc(100% - 56px); }
  .site-header { padding-inline: 28px; }
  .hero { min-height: 710px; }
  .hero-caption { right: 28px; }
  .event-item { padding: 25px 19px; gap: 12px; }
  .detail-icon { width: 34px; height: 34px; }
  .detail-value { font-size: 15px; }
  .section-heading { gap: 30px; }
  .section-description { max-width: 300px; }
  .topic-card { padding: 24px; }
  .classroom-steps, .lab-intro, .resource-rail, .feedback-grid, .result-panels { grid-template-columns: 1fr 1fr; }
  .resource-rail { grid-template-columns: 1fr 1fr; }
  .join-lab-card { grid-template-columns: 1fr auto; }
}
@media (max-width: 760px) {
  .wrap { width: calc(100% - 40px); }
  .site-header { min-height: 78px; padding: 18px 20px; }
  .site-header .logo { font-size: 1.05rem; gap: 9px; }
  .site-header .electric-logo { width: 22px; height: 26.65px; }
  .site-header nav { gap: 0; }
  .site-header nav > a:first-child { display: none; }
  .nav-cta { padding: 10px 13px; font-size: 11px; }
  .nav-cta span { margin-left: 8px; }
  .hero { min-height: 720px; align-items: flex-start; }
  .hero-art { object-position: 61% center; }
  .hero-shade { background: linear-gradient(90deg, rgba(13, 12, 29, .89), rgba(13, 12, 29, .45)), linear-gradient(0deg, var(--background), transparent 70%); }
  .hero-content { padding-block: 54px 85px; }
  h1 { font-size: clamp(48px, 11vw, 72px); letter-spacing: -0.025em; margin-top: 20px; line-height: 1.08; }
  .hero-kicker { font-size: 13px; margin-top: 25px; }
  .hero-subtitle { margin-top: 25px; font-size: 18px; }
  .hero-description { max-width: 420px; font-size: 15px; }
  .hero-actions { gap: 22px; align-items: flex-start; flex-direction: column; }
  .hero-note { margin-top: 27px; }
  .hero-caption { display: none; }
  .event-strip { grid-template-columns: 1fr; margin-top: -28px; }
  .event-item { padding: 24px; gap: 18px; }
  .event-item + .event-item { border-left: 0; border-top: 1px solid var(--border); }
  .detail-icon { width: 42px; height: 42px; }
  .detail-value { font-size: 18px; }
  .detail-label { font-size: 10px; }
  .learning-section { padding-block: 75px 60px; }
  .section-heading { flex-direction: column; align-items: flex-start; gap: 22px; }
  .section-description { max-width: 500px; }
  h2 { letter-spacing: -1.5px; }
  .topic-grid { grid-template-columns: 1fr; margin-top: 30px; gap: 15px; }
  .card-top { margin-bottom: 25px; }
  .closing-section { margin-block: 60px 40px; padding: 52px 10px; }
  .closing-section .eyebrow { font-size: 9px; letter-spacing: 1.5px; }
  .classroom-steps, .lab-intro, .resource-rail, .feedback-grid, .result-panels { grid-template-columns: 1fr; }
  .join-lab-card { grid-template-columns: 1fr; padding: 22px; }
  .join-lab-visual { justify-self: start; }
  .instructor-panel-actions .button { width: 100%; }
  .quiz-toolbar { grid-template-columns: 1fr; }
  .quiz-stage { padding: 20px; min-height: 0; }
  .lab-section { padding-bottom: 60px; }
  .resources-section { padding-bottom: 60px; }
  .site-footer { flex-wrap: wrap; gap: 22px; }
  .site-footer p { width: 100%; order: 3; }
  .site-footer nav { gap: 20px; }
  .site-header nav a[href="#class-lab"] { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
  .button-primary:hover, .button-ghost:hover, .quiz-choice:hover:not(:disabled), .resource-item:hover, .logo:hover .electric-logo { transform: none; }
  .message-mock, .quiz-feedback, .quiz-progress-bar::after, .quiz-scoreboard.is-pulse { animation: none; transition: none; }
  .scoreboard-ring-fill, .quiz-pip { transition: none; }
  .logo #appName,
  .logo .brand-text strong {
    animation: none;
    background-position: 0 0, 30% 0;
  }
}