:root {
  --bg: #0f1215;
  --panel: #171b20;
  --card: #13171b;
  --line: #242a31;
  --text: #f2f3f0;
  --soft: #c5cbd2;
  --muted: #9aa3ad;
  --dim: #6b7480;
  --blue: #3358ff;
  --coral: #ff4d6d;
  --yellow: #f5c518;
  --cream: #f4f1ea;
  --red: #d92b1f;
  --metal: #c9ced4;
  --metal-dark: #8e97a1;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --sans: "Space Grotesk", system-ui, sans-serif;
  --pad: clamp(20px, 4vw, 48px);
  --nav-h: 61px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-weight: 500;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

h1,
h2,
h3,
p,
dl,
dd {
  margin: 0;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.grid-paper {
  border: 1px solid var(--line);
  border-radius: 12px;
  background-color: var(--panel);
  background-image:
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.045) 0 1px, transparent 1px 32px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.045) 0 1px, transparent 1px 32px);
}

/* ---------- Nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px var(--pad);
  background: rgba(15, 18, 21, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.logo img {
  display: block;
  width: auto;
  height: 28px;
}

.nav__links {
  display: flex;
  gap: 28px;
  font-size: 15px;
}

.nav__links a {
  color: var(--soft);
  text-decoration: none;
}

.nav__links a:hover {
  color: var(--text);
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.status__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--yellow);
  box-shadow: 0 0 0 0 rgba(245, 197, 24, 0.6);
  animation: pulse 2s infinite;
}

/* ---------- Hero ---------- */

.hero-pin {
  height: 185vh;
}

.hero {
  position: sticky;
  top: var(--nav-h);
  min-height: calc(100vh - var(--nav-h));
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
  max-width: 1360px;
  margin: 0 auto;
  padding: clamp(24px, 4vh, 48px) var(--pad);
}

.hero__copy {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.hero h1 {
  font-size: clamp(60px, 9vw, 128px);
  font-weight: 700;
  line-height: 0.88;
  letter-spacing: -0.04em;
}

.lede {
  max-width: 34ch;
  font-size: clamp(18px, 1.6vw, 21px);
  line-height: 1.45;
  color: var(--soft);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  padding: 15px 22px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  transition:
    transform 0.15s ease,
    background 0.15s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button--primary {
  background: var(--blue);
  color: #fff;
}

.button--primary:hover {
  background: #4a6bff;
}

.button--ghost {
  border: 1px solid #39414b;
  color: var(--text);
}

.button--ghost:hover {
  background: rgba(255, 255, 255, 0.06);
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  max-width: 460px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

dt {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

dd {
  margin-top: 4px;
  font-size: 16px;
}

.hero__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: clamp(460px, calc(100vh - var(--nav-h) - 2 * clamp(24px, 4vh, 48px)), 760px);
  overflow: hidden;
}

.scroll-hint {
  position: absolute;
  bottom: 18px;
  left: 20px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--yellow);
  opacity: calc(1 - var(--lift, 0) * 3);
}

.corner {
  position: absolute;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--dim);
}

.corner--tl {
  top: 18px;
  left: 20px;
}

.corner--br {
  right: 20px;
  bottom: 18px;
}

.diagram {
  --u: clamp(6.5px, min(0.9vw, (100vh - 200px) / 56), 12.5px);
  position: relative;
  padding-top: 11em;
  font-size: var(--u);
}

.callout {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  transform: translateY(-50%);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
  white-space: nowrap;
  opacity: clamp(0, (var(--lift, 0) - 0.3) * 2.5, 1);
}

.callout::before {
  content: "";
  width: 56px;
  height: 1px;
  background: linear-gradient(90deg, var(--soft) 0 4px, #4a535e 4px);
}

.callout--cap,
.callout--gauge {
  left: calc(100% - var(--u) * 2.5);
}

.callout--balm,
.callout--base {
  right: calc(100% - var(--u) * 2.5);
  flex-direction: row-reverse;
}

.callout--balm::before,
.callout--base::before {
  background: linear-gradient(270deg, var(--soft) 0 4px, #4a535e 4px);
}

/* Positions in stick units from the diagram top; the cap callout rides up with the cap. */
.callout--cap {
  top: calc(var(--u) * (18.4 - 11 * var(--lift, 0)));
}

.callout--balm {
  top: calc(var(--u) * 20.3);
}

.callout--gauge {
  top: calc(var(--u) * 36.9);
}

.callout--base {
  top: calc(var(--u) * 50.7);
}

/* ---------- Lip balm stick ---------- */

.stick {
  --cap: var(--text);
  --body: var(--blue);
  --ink: #fff;
  --bar: #fff;
  --bullet: #e4efe8;
  --shade: linear-gradient(
    90deg,
    rgba(0, 0, 0, 0.22) 0%,
    rgba(255, 255, 255, 0.34) 13%,
    rgba(255, 255, 255, 0.1) 27%,
    rgba(255, 255, 255, 0) 45%,
    rgba(0, 0, 0, 0.06) 70%,
    rgba(0, 0, 0, 0.34) 100%
  );
  position: relative;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 12.4em;
  transition: transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.stick::after {
  content: "";
  position: absolute;
  z-index: -1;
  bottom: -1.6em;
  left: 50%;
  width: 18em;
  height: 3em;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0) 68%);
}

.stick--fast {
  --body: var(--coral);
  --ink: var(--bg);
  --bullet: #d9384f;
}

.stick--low {
  --cap: var(--metal-dark);
  --body: var(--cream);
  --ink: var(--bg);
  --bullet: #f1ece0;
}

.stick__capgroup {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  transform-origin: 50% 100%;
  transform: translateY(calc(var(--lift, 0) * var(--lift-dist, 11em) * -1))
    rotate(calc(var(--lift, 0) * -7deg)) scale(calc(1 + var(--lift, 0) * 0.08));
  filter: drop-shadow(0 calc(var(--lift, 0) * 1.6em) calc(var(--lift, 0) * 1.4em) rgba(0, 0, 0, 0.45));
}

.stick__nub {
  width: 4em;
  height: 1.4em;
  border-radius: 0.5em 0.5em 0 0;
  background: var(--shade), var(--metal);
}

.stick__cap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 12.4em;
  height: 12em;
  border-radius: 1.8em 1.8em 0.3em 0.3em;
  background: var(--shade), var(--cap);
  box-shadow:
    inset 0 0.5em 0.8em rgba(255, 255, 255, 0.35),
    inset 0 -0.35em 0.4em rgba(0, 0, 0, 0.12),
    0 0.18em 0 rgba(0, 0, 0, 0.35);
  font-family: var(--mono);
  font-size: 1em;
  color: var(--bg);
}

.stick__cap span {
  font-size: 3.4em;
  font-weight: 500;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.5);
}

.stick__body {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  width: 12em;
  height: 25em;
  padding: 1.4em;
  background: var(--shade), var(--body);
}

.stick__brand {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-size: 2.6em;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  text-align: center;
  color: var(--ink);
}

.stick__gauge {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.6em;
}

.stick__gauge i {
  width: 3em;
  height: 4.4em;
  border-radius: 0.3em;
  background: var(--bar);
  box-shadow: inset 0 -0.3em 0.4em rgba(0, 0, 0, 0.12);
}

.stick--low .stick__gauge i {
  background: transparent;
  border: 0.2em solid var(--bg);
  box-shadow: none;
}

.stick--low .stick__gauge i:last-child {
  background: var(--red);
  border-color: var(--red);
  animation: blink 2.4s infinite;
}

.stick__bolt {
  align-self: center;
  width: 4em;
  height: 9.6em;
  fill: var(--bg);
}

.stick__base {
  width: 12.4em;
  height: 2.6em;
  border-radius: 0.2em 0.2em 0.9em 0.9em;
  background:
    var(--shade),
    repeating-linear-gradient(90deg, #d7dce1 0 0.4em, #8e97a1 0.4em 0.8em);
}

/* Balm and collar sit above the body, hidden under the cap until it lifts */

.stick__collar {
  position: absolute;
  bottom: 100%;
  left: 0;
  width: 12em;
  height: 1.2em;
  background: var(--shade), var(--metal);
  box-shadow: inset 0 -0.15em 0 rgba(0, 0, 0, 0.25);
}

.stick__bullet {
  position: absolute;
  bottom: calc(100% + 1.2em);
  left: 0.8em;
  width: 10.4em;
  height: 7em;
  border-radius: 50% 50% 0.2em 0.2em / 4.2em 4.2em 0.2em 0.2em;
  background: var(--shade), var(--bullet);
  box-shadow: inset 0 0.6em 1em rgba(255, 255, 255, 0.55);
}

.stick--charging .stick__gauge i:nth-child(4) {
  animation: charge-1 4s infinite;
}

.stick--charging .stick__gauge i:nth-child(3) {
  animation: charge-2 4s infinite;
}

.stick--charging .stick__gauge i:nth-child(2) {
  animation: charge-3 4s infinite;
}

.stick--charging .stick__gauge i:nth-child(1) {
  animation: charge-4 4s infinite;
}

.stick--mini {
  font-size: 0.44em;
}

.stick--mini .stick__body {
  justify-content: center;
}

.stick--mini .stick__gauge i {
  width: 3.6em;
  height: 3.6em;
}

.stick--mini::after {
  display: none;
}

/* ---------- 9V slide tin ---------- */

.tin {
  position: relative;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 8.6px;
  transition: transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.tin::after {
  content: "";
  position: absolute;
  z-index: -1;
  bottom: -2em;
  left: 50%;
  width: 30em;
  height: 4em;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0) 68%);
}

.tin__terminals {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  width: 23em;
  padding: 0 4.2em;
}

.tin__pos {
  width: 3.4em;
  height: 1.8em;
  border-radius: 0.7em 0.7em 0 0;
  background: linear-gradient(90deg, #9aa3ad, #eef0f2 35%, #aab2bb);
}

.tin__neg {
  width: 5em;
  height: 1.8em;
  border: 0.45em solid #9aa3ad;
  border-bottom: 0;
  border-radius: 0.9em 0.9em 0 0;
  background: linear-gradient(90deg, #b8c0c8, #eef0f2 40%, #b8c0c8);
}

.tin__body {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 23em;
  height: 32em;
  padding: 2em;
  border-radius: 1.4em;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.12) 0%, rgba(255, 255, 255, 0.35) 10%, rgba(255, 255, 255, 0) 30%, rgba(0, 0, 0, 0) 75%, rgba(0, 0, 0, 0.18) 100%),
    var(--yellow);
  box-shadow:
    inset 0 0 0 0.6em rgba(255, 255, 255, 0.08),
    inset 0 0 0 0.75em rgba(0, 0, 0, 0.08),
    inset 0 0.4em 0.6em rgba(255, 255, 255, 0.45),
    inset 0 -0.5em 0.8em rgba(0, 0, 0, 0.15);
  color: var(--bg);
}

.tin__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2.2em 1.4em;
  border-bottom: 0.2em solid rgba(15, 18, 21, 0.4);
  font-family: var(--mono);
  font-size: 2.6em;
  line-height: 1;
}

.tin__top span:first-child,
.tin__top span:last-child {
  font-size: 1em;
}

.tin__vent {
  display: flex;
  flex-direction: column;
  gap: 0.15em;
}

.tin__vent i {
  width: 1.4em;
  height: 0.12em;
  border-radius: 1em;
  background: rgba(15, 18, 21, 0.55);
}

.tin__mark {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8em;
}

.tin__volts {
  font-size: 12em;
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.04em;
  text-shadow: 0 0.02em 0 rgba(255, 255, 255, 0.4);
}

.tin__word {
  margin-right: -0.2em;
  font-size: 3em;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.2em;
}

.tin__foot {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 1.1em;
  letter-spacing: 0.04em;
}

/* ---------- Power Pack carton ---------- */

.pack {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.6em;
  width: 38em;
  padding: 0 2.4em 2.4em;
  border-radius: 1em;
  font-size: clamp(8px, 1vw, 12px);
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.06), rgba(255, 255, 255, 0.4) 12%, rgba(255, 255, 255, 0) 40%, rgba(0, 0, 0, 0.08) 100%),
    var(--text);
  box-shadow:
    0 2.4em 4em rgba(0, 0, 0, 0.5),
    inset 0 -0.3em 0.6em rgba(0, 0, 0, 0.08);
  color: var(--bg);
  transform: rotate(-3deg);
}

.pack__hang {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 4.4em;
}

.pack__hang span {
  width: 7.2em;
  height: 1.6em;
  border-radius: 1em;
  background: var(--panel);
  box-shadow: inset 0 0.2em 0.3em rgba(0, 0, 0, 0.6);
}

.pack__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.pack__title {
  font-size: 3.4em;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
}

.pack__count,
.pack__foot {
  font-family: var(--mono);
  font-size: 1.2em;
  letter-spacing: 0.06em;
}

.pack__window {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.8em;
  height: 22em;
  border-radius: 0.8em;
  background: var(--bg);
  overflow: hidden;
}

.pack__window::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(255, 255, 255, 0) 30%, rgba(255, 255, 255, 0.12) 38%, rgba(255, 255, 255, 0) 46%);
  pointer-events: none;
}

.pack__foot {
  display: flex;
  justify-content: space-between;
  font-size: 1.1em;
}

/* ---------- Ticker ---------- */

.ticker {
  overflow: hidden;
  border-block: 1px solid var(--line);
  background: #11151a;
}

.ticker__track {
  display: flex;
  gap: 32px;
  width: max-content;
  padding: 16px 0;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--muted);
  animation: scroll 40s linear infinite;
}

.ticker__track span:nth-child(4n + 2) {
  color: var(--yellow);
}

/* ---------- Sections ---------- */

.section {
  max-width: 1360px;
  margin: 0 auto;
  padding: clamp(72px, 10vw, 128px) var(--pad) 0;
}

.section__head {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 720px;
  margin-bottom: 48px;
}

h2 {
  font-size: clamp(40px, 5.5vw, 76px);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.03em;
}

.section__sub {
  max-width: 52ch;
  font-size: 19px;
  line-height: 1.5;
  color: var(--soft);
}

/* ---------- Product cards ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.card {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--card);
}

.card__meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.card__meta span:last-child {
  color: var(--dim);
}

.card__stage {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  height: 380px;
  padding-bottom: 30px;
  border-radius: 10px;
}

.badge {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 5px 9px;
  border: 1px solid #3a424c;
  border-radius: 999px;
  background: rgba(15, 18, 21, 0.7);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--yellow);
}

.card__stage .stick {
  --lift-dist: 5.5em;
  font-size: 7px;
}

.card__stage .tin {
  margin-bottom: 8px;
}

.card:hover .stick,
.card:hover .tin {
  transform: translateY(-8px) rotate(-2deg);
}

.card h3 {
  font-size: clamp(34px, 3vw, 44px);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.02em;
}

.card__tag {
  min-height: 2.9em;
  font-size: 17px;
  line-height: 1.45;
  color: var(--soft);
}

.specs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

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

.specs dd {
  font-size: 15px;
}

.specs--wide {
  max-width: 520px;
  margin-top: 8px;
}

/* ---------- Power Pack feature ---------- */

.feature {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}

.feature__visual {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: clamp(440px, 48vw, 620px);
  padding: 40px 20px;
}

.feature__copy {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ---------- Spec sheet ---------- */

.sheet {
  border-top: 1px solid var(--line);
}

.sheet__row {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) auto;
  gap: 24px;
  align-items: baseline;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.sheet__key {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.sheet__val {
  font-size: clamp(20px, 2vw, 26px);
}

.sheet__note {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--dim);
  text-align: right;
}

/* ---------- FAQ ---------- */

.faq {
  border-top: 1px solid var(--line);
}

.faq details {
  border-bottom: 1px solid var(--line);
}

.faq summary {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 26px 0;
  font-size: clamp(20px, 2vw, 26px);
  cursor: pointer;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  font-family: var(--mono);
  color: var(--muted);
  transition: transform 0.2s ease;
}

.faq details[open] summary::after {
  transform: rotate(45deg);
}

.faq summary:hover {
  color: #fff;
}

.faq p {
  max-width: 60ch;
  padding-bottom: 26px;
  font-size: 18px;
  line-height: 1.55;
  color: var(--soft);
}

/* ---------- CTA + footer ---------- */

.cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  max-width: 1360px;
  margin: clamp(72px, 10vw, 128px) auto 0;
  padding: clamp(56px, 8vw, 96px) var(--pad);
  text-align: center;
  border-top: 1px solid var(--line);
}

.cta p {
  font-size: 19px;
  color: var(--soft);
}

.cta__gauge {
  display: flex;
  gap: 8px;
  padding: 8px;
  border: 3px solid var(--text);
  border-radius: 10px;
  position: relative;
  margin-bottom: 8px;
}

.cta__gauge::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -11px;
  width: 6px;
  height: 22px;
  transform: translateY(-50%);
  border-radius: 0 3px 3px 0;
  background: var(--text);
}

.cta__gauge i {
  width: 22px;
  height: 36px;
  border-radius: 3px;
  background: var(--yellow);
}

.cta__gauge i:nth-child(1) {
  animation: charge-1 4s infinite;
}

.cta__gauge i:nth-child(2) {
  animation: charge-2 4s infinite;
}

.cta__gauge i:nth-child(3) {
  animation: charge-3 4s infinite;
}

.cta__gauge i:nth-child(4) {
  animation: charge-4 4s infinite;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 28px var(--pad);
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ---------- 404 ---------- */

.lost {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  min-height: calc(100vh - 160px);
  padding: 48px var(--pad);
  text-align: center;
}

.lost .stick {
  font-size: 6px;
  margin-bottom: 12px;
}

/* ---------- Animation ---------- */

@keyframes float {
  from {
    transform: translateY(0);
  }
  to {
    transform: translateY(-1.2em);
  }
}

@keyframes charge-1 {
  0%,
  8% {
    opacity: 0.18;
  }
  12%,
  85% {
    opacity: 1;
  }
  100% {
    opacity: 0.18;
  }
}

@keyframes charge-2 {
  0%,
  25% {
    opacity: 0.18;
  }
  29%,
  85% {
    opacity: 1;
  }
  100% {
    opacity: 0.18;
  }
}

@keyframes charge-3 {
  0%,
  42% {
    opacity: 0.18;
  }
  46%,
  85% {
    opacity: 1;
  }
  100% {
    opacity: 0.18;
  }
}

@keyframes charge-4 {
  0%,
  59% {
    opacity: 0.18;
  }
  63%,
  85% {
    opacity: 1;
  }
  100% {
    opacity: 0.18;
  }
}

@keyframes blink {
  0%,
  60%,
  100% {
    opacity: 1;
  }
  70%,
  90% {
    opacity: 0.3;
  }
}

@keyframes pulse {
  70% {
    box-shadow: 0 0 0 8px rgba(245, 197, 24, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(245, 197, 24, 0);
  }
}

@keyframes scroll {
  to {
    transform: translateX(-50%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-pin {
    height: auto;
  }

  .hero {
    position: static;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

/* ---------- Responsive ---------- */

@media (max-width: 1180px) {
  .cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 960px) {
  .nav__links {
    display: none;
  }

  .hero,
  .feature {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-pin {
    height: auto;
  }

  .hero {
    position: static;
    min-height: 0;
  }

  .hero__visual {
    height: auto;
    min-height: 0;
    padding: 56px 0 48px;
  }

  .diagram {
    --u: clamp(6.5px, 1.5vw, 10px);
  }

  .sheet__row {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }

  .sheet__note {
    text-align: left;
  }
}

@media (max-width: 640px) {
  .cards {
    grid-template-columns: minmax(0, 1fr);
  }

  .callout,
  .corner--br {
    display: none;
  }

  .status {
    font-size: 11px;
  }

  .hero__visual {
    min-height: 460px;
  }

  .pack {
    font-size: 7.5px;
  }
}

@media (max-width: 420px) {
  .status {
    display: none;
  }
}