:root {
  --paper: #f3f3f2;
  --paper-soft: #fafafa;
  --ink: #171717;
  --muted: #5f5f5f;
  --charcoal: #454545;
  --line: #d9d9d6;
  --red: #e21d2b;
  --green: #028a41;
  --blue: #0887a8;
  --purple: #66528b;
  --shadow: 0 24px 70px rgba(31, 31, 31, 0.12);
  --radius: 8px;
  --pill: 999px;
  --content: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

section {
  scroll-margin-top: 88px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Manrope", "Segoe UI", sans-serif;
  line-height: 1.5;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

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

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

button {
  font: inherit;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  padding: 16px 34px;
  color: var(--ink);
  transition: background 200ms ease, box-shadow 200ms ease;
}

.site-header[data-elevated="true"] {
  background: rgba(243, 243, 242, 0.88);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: "Comfortaa", "Manrope", sans-serif;
  font-weight: 700;
}

/*.brand-mark {
  position: relative;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #050505;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.2);
}

.brand-wave,
.brand-wave::before,
.brand-wave::after {
  position: absolute;
  content: "";
  height: 2px;
  border-radius: var(--pill);
  background: #fff;
}

.brand-wave {
  width: 24px;
  left: 9px;
  top: 21px;
}

.brand-wave::before {
  width: 10px;
  left: 3px;
  top: -5px;
  transform: rotate(18deg);
}

.brand-wave::after {
  width: 10px;
  right: 3px;
  top: 5px;
  transform: rotate(18deg);
} */

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px;
  border: 1px solid rgba(23, 23, 23, 0.08);
  border-radius: var(--pill);
  background: rgba(255, 255, 255, 0.46);
}

.site-nav a {
  padding: 10px 14px;
  border-radius: var(--pill);
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  transition: background 160ms ease, color 160ms ease;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--paper-soft);
  background: var(--charcoal);
}

.site-nav .nav-buy {
  color: #fff;
  background: var(--red);
}

.site-nav .nav-buy:hover,
.site-nav .nav-buy.is-active {
  color: #fff;
  background: var(--ink);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(23, 23, 23, 0.15);
  border-radius: var(--pill);
  background: rgba(255, 255, 255, 0.76);
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  border-radius: var(--pill);
  background: var(--ink);
}

.hero {
  position: relative;
  display: grid;
  min-height: 94svh;
  padding: 108px 34px 42px;
  isolation: isolate;
}

.hero::after {
  position: absolute;
  z-index: -2;
  inset: auto 0 0;
  height: 22vh;
  content: "";
  background: linear-gradient(180deg, rgba(243, 243, 242, 0), var(--paper));
}

.hero-product {
  position: absolute;
  z-index: -1;
  inset: 0;
  overflow: hidden;
}

.hero-ring {
  position: absolute;
  width: min(44vw, 700px);
  min-width: 360px;
  filter: drop-shadow(0 34px 54px rgba(0, 0, 0, 0.2));
  opacity: 0.94;
}

.hero-ring-front {
  top: 10vh;
  left: 31vw;
  transform: rotate(-9deg);
}

.hero-ring-inside {
  right: 7vw;
  bottom: 10vh;
  transform: rotate(7deg);
}

.hero-copy {
  align-self: center;
  width: min(100%, 920px);
  max-width: 920px;
  padding-left: 5vw;
}

.eyebrow,
.section-kicker {
  margin: 0 0 22px;
  color: var(--charcoal);
  font-family: "Comfortaa", "Manrope", sans-serif;
  font-size: 16px;
  font-weight: 700;
  text-transform: uppercase;
}

.hero h1 {
  position: relative;
  margin: 0;
  font-family: "Comfortaa", "Manrope", sans-serif;
  font-size: 142px;
  font-weight: 700;
  line-height: 0.92;
  color: rgba(19, 19, 19, 0.77);
}

.hero-subtitle {
  max-width: 610px;
  margin: 34px 0 0;
  color: #262626;
  font-size: 22px;
}

.hero-actions,
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  width: min(100%, 620px);
}

.hero-actions {
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid var(--ink);
  border-radius: var(--pill);
  font-weight: 800;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}

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

.button-primary {
  color: var(--paper-soft);
  background: var(--charcoal);
}

.button-ghost {
  background: rgba(255, 255, 255, 0.72);
}

.hero-meta {
  align-self: end;
  justify-content: center;
  margin-top: 42px;
}

.hero-meta span,
.activity-strip span,
.hardware-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 50px;
  padding: 0 26px;
  border-radius: var(--pill);
  color: var(--paper-soft);
  background: var(--charcoal);
  font-family: "Comfortaa", "Manrope", sans-serif;
  font-weight: 700;
}

.section-pad {
  padding: 112px 34px;
}

.problem-grid,
.solution-layout,
.wave-section,
.hardware-section,
.fit-section,
.market-layout,
.cta-inner {
  width: min(100%, var(--content));
  margin: 0 auto;
}

h2 {
  margin: 0;
  font-family: "Comfortaa", "Manrope", sans-serif;
  font-size: 58px;
  line-height: 1.12;
  font-weight: 700;
}

h3 {
  margin: 0;
  font-family: "Comfortaa", "Manrope", sans-serif;
  font-size: 24px;
  line-height: 1.22;
}

p {
  margin: 0;
}

.problem-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
  align-items: start;
}

.problem-copy {
  display: grid;
  gap: 22px;
  color: #2f2f2f;
  font-size: 20px;
}

.activity-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  width: min(100%, var(--content));
  margin: 64px auto 0;
}

.solution-section {
  background: var(--paper-soft);
}

.solution-layout,
.hardware-section,
.fit-section {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 80px;
  align-items: center;
}

.solution-copy,
.hardware-copy,
.fit-copy,
.wave-copy {
  display: grid;
  gap: 26px;
}

.solution-copy p,
.hardware-copy p,
.fit-copy p,
.wave-copy p {
  color: #303030;
  font-size: 20px;
}

.solution-copy p:first-of-type {
  padding-left: 24px;
  border-left: 5px solid var(--charcoal);
}

.product-stage {
  position: relative;
  min-height: 560px;
}

.product-stage img {
  position: absolute;
  right: 0;
  bottom: 0;
  width: min(100%, 620px);
  filter: drop-shadow(0 34px 60px rgba(0, 0, 0, 0.18));
}

.callout {
  position: absolute;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  min-height: 56px;
  padding: 0 24px;
  border-radius: var(--pill);
  color: var(--paper-soft);
  background: var(--charcoal);
  font-family: "Comfortaa", "Manrope", sans-serif;
  font-weight: 700;
}

.callout-top {
  top: 56px;
  right: 170px;
  transform: rotate(-18deg);
}

.callout-side {
  top: 210px;
  right: -22px;
  transform: rotate(21deg);
}

.wave-section {
  display: grid;
  grid-template-columns: 0.72fr 1fr;
  gap: 70px;
  align-items: center;
}

.wave-panel {
  padding: 34px;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.48);
}

.wave-panel svg {
  width: 100%;
}

.grid-line {
  fill: none;
  stroke: rgba(23, 23, 23, 0.18);
  stroke-width: 2;
}

.wave {
  fill: none;
  stroke-width: 9;
  stroke-linecap: round;
  stroke-dasharray: 980;
  animation: trace 4.2s ease-in-out infinite;
}

.wave-tremor {
  stroke: var(--red);
}

.wave-counter {
  stroke: var(--purple);
  animation-delay: 520ms;
}

.pulse-dot {
  fill: var(--red);
  animation: pulse 2.2s ease-in-out infinite;
}

.pulse-dot-alt {
  fill: var(--purple);
  animation-delay: 520ms;
}

.wave-legend {
  display: flex;
  gap: 22px;
  justify-content: center;
  color: var(--muted);
  font-weight: 800;
}

.wave-legend span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.wave-legend i {
  display: inline-block;
  width: 26px;
  height: 6px;
  border-radius: var(--pill);
}

.legend-red {
  background: var(--red);
}

.legend-purple {
  background: var(--purple);
}

.process-section {
  background: var(--paper-soft);
}

.center-title {
  width: min(100%, 980px);
  margin: 0 auto 56px;
  text-align: center;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  width: min(100%, 1240px);
  margin: 0 auto;
}

.process-card {
  min-height: 350px;
  padding: 28px;
  border-radius: var(--radius);
  color: #fff;
}

.process-card span {
  display: inline-flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  margin-bottom: 38px;
  border: 1px solid rgba(255, 255, 255, 0.62);
  border-radius: 50%;
  font-weight: 800;
}

.process-card p {
  margin-top: 22px;
  font-size: 18px;
}

.process-green {
  background: linear-gradient(180deg, #07843d, #03b859);
}

.process-blue {
  background: linear-gradient(180deg, #087e9f, #0aa4ce);
}

.process-red {
  background: linear-gradient(180deg, #bc1420, #ee1728);
}

.process-purple {
  background: linear-gradient(180deg, #574678, #8066aa);
}

.hardware-section {
  grid-template-columns: 0.76fr 1.24fr;
}

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

.circuit-frame {
  margin: 0;
  padding: 22px;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: #f9f8f4;
  box-shadow: var(--shadow);
}

.circuit-frame img {
  width: 100%;
  border-radius: 4px;
}

.circuit-frame figcaption {
  margin-top: 16px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 700;
}

.fit-section {
  background: var(--paper-soft);
}

.fit-product {
  position: relative;
  min-height: 620px;
}

.fit-product img {
  width: min(100%, 590px);
  margin: 0 auto;
  filter: drop-shadow(0 34px 56px rgba(0, 0, 0, 0.16));
}

.dimension {
  position: absolute;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: var(--pill);
  color: #fff;
  background: var(--charcoal);
  font-family: "Comfortaa", "Manrope", sans-serif;
  font-weight: 700;
}

.dimension-height {
  top: 230px;
  right: 42px;
  transform: rotate(90deg);
}

.dimension-width {
  left: 170px;
  bottom: 44px;
}

.fit-list {
  display: grid;
  gap: 18px;
  padding: 0;
  margin: 10px 0 0;
  list-style: none;
}

.fit-list li {
  position: relative;
  padding: 18px 20px 18px 48px;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.54);
  font-size: 19px;
  font-weight: 700;
}

.fit-list li::before {
  position: absolute;
  top: 23px;
  left: 20px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  content: "";
  background: var(--red);
}

.market-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 70px;
}

.market-columns {
  display: grid;
  gap: 22px;
}

.market-column {
  padding: 34px;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.5);
}

.market-column span {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  margin-bottom: 24px;
  padding: 0 18px;
  border-radius: var(--pill);
  color: #fff;
  background: var(--charcoal);
  font-family: "Comfortaa", "Manrope", sans-serif;
  font-weight: 700;
}

.market-column p {
  margin-top: 16px;
  color: var(--muted);
  font-size: 19px;
}

.founder-section {
  background:
    radial-gradient(circle at 12% 12%, rgba(226, 29, 43, 0.08), transparent 28%),
    radial-gradient(circle at 90% 5%, rgba(8, 135, 168, 0.1), transparent 30%),
    var(--paper);
}

.founder-heading {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 70px;
  align-items: end;
  margin-bottom: 58px;
}

.founder-heading p {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 20px;
}

.founder-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.founder-card {
  min-height: 100%;
  padding: 24px;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.68);
  box-shadow: 0 16px 40px rgba(31, 31, 31, 0.07);
}

.founder-card img {
  width: 100%;
  aspect-ratio: 1;
  border: 2px solid var(--ink);
  border-radius: 50%;
  object-fit: cover;
  background: #fff;
}

.founder-card span {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  margin-top: 22px;
  padding: 0 14px;
  border-radius: var(--pill);
  color: #fff;
  background: var(--charcoal);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.founder-card h3 {
  margin-top: 18px;
  font-size: 26px;
}

.founder-card p {
  margin-top: 14px;
  color: var(--muted);
  font-size: 16px;
}

.purchase-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 430px;
  gap: 64px;
  align-items: center;
  min-height: 92svh;
  overflow: hidden;
}

.purchase-hero::before {
  position: absolute;
  z-index: -1;
  right: -10vw;
  bottom: -28vh;
  width: 780px;
  height: 780px;
  border-radius: 50%;
  content: "";
  background: radial-gradient(circle, rgba(226, 29, 43, 0.16), rgba(226, 29, 43, 0) 62%);
}

.purchase-copy h1 {
  margin: 0;
  color: var(--charcoal);
  font-family: "Comfortaa", "Manrope", sans-serif;
  font-size: clamp(64px, 10vw, 142px);
  line-height: 0.92;
  letter-spacing: -0.08em;
}

.purchase-copy p {
  max-width: 680px;
  margin: 34px 0 0;
  font-size: 22px;
}

.purchase-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.purchase-badges span {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  padding: 0 18px;
  border-radius: var(--pill);
  color: #fff;
  background: var(--charcoal);
  font-weight: 800;
}

.price-card {
  position: relative;
  padding: 30px;
  border: 2px solid var(--ink);
  border-radius: 32px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
}

.price-card img {
  width: 92%;
  margin: -94px auto -16px;
  filter: drop-shadow(0 28px 34px rgba(0, 0, 0, 0.16));
}

.price-label {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  padding: 0 16px;
  border-radius: var(--pill);
  color: #fff;
  background: var(--red);
  font-weight: 800;
}

.price {
  margin-top: 24px;
  font-family: "Comfortaa", "Manrope", sans-serif;
  font-size: 46px;
  font-weight: 800;
  letter-spacing: -0.06em;
}

.price-card > p {
  margin: 6px 0 0;
  color: var(--muted);
  font-weight: 800;
}

.price-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 28px 0;
  list-style: none;
}

.price-list li {
  position: relative;
  padding-left: 26px;
  color: var(--muted);
  font-weight: 700;
}

.price-list li::before {
  position: absolute;
  top: 9px;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  content: "";
  background: var(--green);
}

.preorder-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 34px;
  align-items: start;
  background: var(--paper-soft);
}

.preorder-panel,
.preorder-aside {
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 16px 46px rgba(31, 31, 31, 0.08);
}

.preorder-panel {
  padding: 42px;
}

.form-heading {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: 52px;
  margin-bottom: 34px;
}

.form-heading p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 19px;
}

.preorder-form {
  display: grid;
  gap: 22px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.preorder-form label {
  display: grid;
  gap: 9px;
  color: var(--charcoal);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.preorder-form input,
.preorder-form select,
.preorder-form textarea {
  width: 100%;
  border: 2px solid rgba(23, 23, 23, 0.18);
  border-radius: var(--radius);
  padding: 15px 16px;
  color: var(--ink);
  background: var(--paper);
  font: inherit;
  font-size: 16px;
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.preorder-form input:focus,
.preorder-form select:focus,
.preorder-form textarea:focus {
  border-color: var(--red);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(226, 29, 43, 0.12);
}

.full-field {
  grid-column: 1 / -1;
}

.consent-field {
  display: flex !important;
  grid-template-columns: none !important;
  flex-direction: row;
  align-items: flex-start;
  gap: 12px !important;
  color: var(--muted) !important;
  font-size: 15px !important;
  font-weight: 700 !important;
  letter-spacing: 0 !important;
  text-transform: none !important;
}

.consent-field input {
  width: 20px;
  min-width: 20px;
  height: 20px;
  margin-top: 3px;
  accent-color: var(--red);
}

.form-status {
  min-height: 28px;
  margin: 0;
  color: var(--green);
  font-weight: 900;
}

.preorder-aside {
  position: sticky;
  top: 104px;
  padding: 30px;
}

.preorder-aside h3 {
  font-size: 28px;
}

.timeline-list {
  display: grid;
  gap: 18px;
  padding: 0;
  margin: 24px 0;
  list-style: none;
}

.timeline-list li {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 12px;
  color: var(--muted);
  font-weight: 750;
}

.timeline-list span {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--charcoal);
  font-size: 13px;
  font-weight: 900;
}

.soft-note {
  margin: 0;
  padding: 18px;
  border-radius: var(--radius);
  color: #fff;
  background: var(--purple);
  font-weight: 800;
}

.cta-section {
  padding: 120px 34px 90px;
  color: #fff;
  background: var(--charcoal);
}

.cta-inner {
  display: grid;
  gap: 26px;
  max-width: 880px;
  text-align: center;
}

.cta-inner .eyebrow {
  color: #fff;
}

.cta-inner .button-primary {
  justify-self: center;
  color: var(--ink);
  background: #fff;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

.button-ghost.light {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.72);
}

.cta-inner p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 20px;
}

.js .reveal {
  opacity: 1;
  transform: none;
}

.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes trace {
  0% {
    stroke-dashoffset: 980;
    opacity: 0.46;
  }
  45%,
  75% {
    stroke-dashoffset: 0;
    opacity: 1;
  }
  100% {
    stroke-dashoffset: -980;
    opacity: 0.46;
  }
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.5;
  }
  50% {
    transform: scale(1.7);
    opacity: 1;
  }
}

@media (max-width: 1120px) {
  h2 {
    font-size: 46px;
  }

  .hero h1 {
    font-size: 104px;
  }

  .problem-grid,
  .solution-layout,
  .wave-section,
  .hardware-section,
  .fit-section,
  .market-layout,
  .founder-heading,
  .purchase-hero,
  .preorder-section,
  .form-heading {
    grid-template-columns: 1fr;
  }

  .process-grid,
  .founder-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-stage {
    min-height: 520px;
  }

  .price-card {
    max-width: 560px;
  }

  .preorder-aside {
    position: static;
  }

  .callout-side {
    right: 26px;
  }
}

@media (max-width: 760px) {
  .site-header {
    padding: 12px 18px;
  }

  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: 70px;
    left: 18px;
    right: 18px;
    display: grid;
    gap: 4px;
    padding: 12px;
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.96);
    box-shadow: var(--shadow);
    transform: translateY(-16px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 170ms ease, transform 170ms ease;
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav a {
    padding: 12px 14px;
  }

  .hero {
    min-height: 92svh;
    padding: 94px 20px 34px;
  }

  .hero-copy {
    width: 100%;
    max-width: 100%;
    padding-left: 0;
  }

  .hero h1 {
    font-size: 64px;
  }

  .hero h1::before {
    left: 38px;
    width: 56px;
    height: 9px;
  }

  .hero-subtitle {
    width: 100%;
    max-width: 350px;
    font-size: 18px;
  }

  .hero-ring {
    width: 390px;
    min-width: 0;
    opacity: 0.28;
  }

  .hero-ring-front {
    top: 22vh;
    left: 26vw;
  }

  .hero-ring-inside {
    right: -160px;
    bottom: 16vh;
  }

  .hero-actions,
  .hero-meta {
    gap: 10px;
    width: 100%;
    max-width: 350px;
  }

  .button {
    width: 100%;
  }

  .hero-meta {
    justify-content: flex-start;
  }

  .hero-meta span,
  .activity-strip span,
  .hardware-tags span {
    min-height: 42px;
    padding: 0 16px;
    font-size: 14px;
  }

  .section-pad {
    padding: 80px 20px;
  }

  h2 {
    font-size: 35px;
  }

  h3 {
    font-size: 21px;
  }

  .problem-copy,
  .solution-copy p,
  .hardware-copy p,
  .fit-copy p,
  .wave-copy p,
  .cta-inner p {
    font-size: 17px;
  }

  .activity-strip {
    margin-top: 42px;
  }

  .product-stage {
    min-height: 390px;
  }

  .product-stage img {
    width: 390px;
    right: 50%;
    transform: translateX(50%);
  }

  .callout {
    min-height: 44px;
    padding: 0 16px;
    font-size: 14px;
  }

  .callout-top {
    top: 16px;
    right: auto;
    left: 18px;
  }

  .callout-side {
    top: 82px;
    right: 10px;
  }

  .wave-panel {
    padding: 18px;
  }

  .wave-legend {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .process-card {
    min-height: auto;
  }

  .fit-product {
    min-height: 430px;
    order: 2;
  }

  .fit-copy {
    order: 1;
  }

  .dimension-height {
    top: 178px;
    right: 0;
  }

  .dimension-width {
    left: 20px;
    bottom: 8px;
  }

  .market-column,
  .circuit-frame {
    padding: 22px;
  }

  .founder-heading {
    gap: 24px;
    margin-bottom: 36px;
  }

  .founder-heading p,
  .purchase-copy p,
  .form-heading p {
    font-size: 17px;
  }

  .founder-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .founder-card {
    padding: 20px;
  }

  .founder-card img {
    max-width: 260px;
    margin: 0 auto;
  }

  .purchase-hero {
    min-height: auto;
    padding-top: 110px;
  }

  .purchase-copy h1 {
    font-size: 58px;
  }

  .purchase-badges span {
    min-height: 42px;
    padding: 0 16px;
    font-size: 14px;
  }

  .price-card,
  .preorder-panel,
  .preorder-aside {
    padding: 22px;
  }

  .price-card {
    border-radius: 22px;
  }

  .price-card img {
    width: 100%;
    margin: -50px auto -10px;
  }

  .price {
    font-size: 34px;
  }

  .preorder-section {
    gap: 22px;
  }

  .preorder-form .button {
    width: 100%;
  }

  .timeline-list li {
    grid-template-columns: 42px 1fr;
  }

  .cta-actions {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}
#cta-title {
    line-height: 1.6;    /* Tăng khoảng cách giữa 2 dòng chữ */
    margin-bottom: 30px; /* Tạo thêm khoảng cách với các nút bấm ở dưới */
    display: block;      /* Đảm bảo nó nhận thuộc tính line-height tốt nhất */
}
#problem-title {
/*    letter-spacing: 0.001rem; /* Bạn có thể dùng px, em, hoặc rem */
    line-height: 1.5;      /* Sẵn tiện, tăng khoảng cách dòng nếu cần để chữ thoáng hơn */
}
#solution-title {
/*    letter-spacing: 0.001rem; /* Bạn có thể dùng px, em, hoặc rem */
    line-height: 1.5;      /* Sẵn tiện, tăng khoảng cách dòng nếu cần để chữ thoáng hơn */
}
#process-title {
/*    letter-spacing: 0.001rem; /* Bạn có thể dùng px, em, hoặc rem */
    line-height: 1.5;      /* Sẵn tiện, tăng khoảng cách dòng nếu cần để chữ thoáng hơn */
}
#hardware-title {
/*   letter-spacing: 0.001rem; /* Bạn có thể dùng px, em, hoặc rem */
    line-height: 1.5;      /* Sẵn tiện, tăng khoảng cách dòng nếu cần để chữ thoáng hơn */
}
#market-title {
/*    letter-spacing: 0.001rem; /* Bạn có thể dùng px, em, hoặc rem */
    line-height: 1.5;      /* Sẵn tiện, tăng khoảng cách dòng nếu cần để chữ thoáng hơn */
}
#wave-title {
/*    letter-spacing: 0.001rem; /* Bạn có thể dùng px, em, hoặc rem */
    line-height: 1.5;      /* Sẵn tiện, tăng khoảng cách dòng nếu cần để chữ thoáng hơn */
}