:root {
  --ink: #12141a;
  --ink-soft: #2a2e38;
  --paper: #f2efe8;
  --paper-deep: #e4dfd4;
  --mist: #c8c2b6;
  --accent: #e0762f;
  --accent-deep: #c4470e;
  --screen: #eceae4;
  --line: rgba(18, 20, 26, 0.12);
  --shadow: 0 28px 80px rgba(10, 12, 18, 0.35);
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Outfit", system-ui, sans-serif;
  --pad: clamp(1.25rem, 4vw, 3rem);
  --max: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(224, 118, 47, 0.20), transparent 55%),
    radial-gradient(900px 500px at 0% 20%, rgba(196, 71, 14, 0.10), transparent 50%),
    linear-gradient(165deg, #1c1916 0%, #12100e 42%, #1a1714 100%);
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.045;
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      rgba(255, 255, 255, 0.4) 2px,
      rgba(255, 255, 255, 0.4) 3px
    );
  z-index: 0;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--paper);
  color: var(--ink);
  padding: 0.5rem 1rem;
  z-index: 100;
}

.skip:focus {
  left: 1rem;
  top: 1rem;
}

.site-header,
.hero,
.section,
.site-footer {
  position: relative;
  z-index: 1;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.25rem var(--pad);
  transition: background 0.25s ease, backdrop-filter 0.25s ease;
}

.site-header.is-scrolled {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(14, 16, 21, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(242, 239, 232, 0.08);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--paper);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.brand-mark img {
  display: block;
  flex: none;
  border-radius: 22%;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.45));
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav a {
  color: rgba(242, 239, 232, 0.72);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav a:hover {
  color: var(--paper);
}

.nav-cta {
  color: var(--paper) !important;
  border: 1px solid rgba(242, 239, 232, 0.28);
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
}

.nav-cta:hover {
  border-color: rgba(242, 239, 232, 0.55);
  background: rgba(242, 239, 232, 0.06);
}

/* —— Hero —— */
.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(2rem, 6vh, 4.5rem) var(--pad) clamp(4rem, 10vh, 7rem);
  min-height: calc(100svh - 5rem);
}

.hero-copy {
  max-width: 44rem;
}

.hero-copy {
  max-width: 48rem;
}

.hero-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  column-gap: clamp(2rem, 5vw, 3.75rem);
  align-items: center;
  margin-bottom: 1.25rem;
}

.hero-headlines {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  min-width: 0;
}

.hero-logo {
  display: block;
  flex: none;
  width: clamp(5.25rem, 11vw, 8.25rem);
  height: auto;
  aspect-ratio: 1;
  border-radius: 22%;
  filter: drop-shadow(0 12px 32px rgba(0, 0, 0, 0.5));
  opacity: 0;
  transform: translateY(18px);
  animation: rise 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.05s forwards;
}

.brand-hero {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.5vw, 3.75rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--paper);
  opacity: 0;
  transform: translateY(18px);
  animation: rise 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.05s forwards;
}

.hero-headlines h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.2vw, 2.15rem);
  font-weight: 500;
  line-height: 1.25;
  color: rgba(242, 239, 232, 0.88);
  max-width: none;
  opacity: 0;
  transform: translateY(18px);
  animation: rise 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.18s forwards;
}

.hero-lede {
  margin: 0 0 1.75rem;
  max-width: none;
  color: rgba(242, 239, 232, 0.62);
  font-size: 1.08rem;
  opacity: 0;
  transform: translateY(18px);
  animation: rise 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.3s forwards;
}

.hero-lede p {
  margin: 0;
}

.hero-lede p + p {
  margin-top: 0.7rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  opacity: 0;
  transform: translateY(18px);
  animation: rise 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.42s forwards;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.35rem;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(180deg, #f08a3c, var(--accent-deep));
  color: #fff;
  box-shadow: 0 10px 28px rgba(47, 95, 168, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(180deg, #ff9a4a, var(--accent));
}

.btn-ghost {
  color: var(--paper);
  border: 1px solid rgba(242, 239, 232, 0.28);
  background: transparent;
}

.btn-ghost:hover {
  border-color: rgba(242, 239, 232, 0.55);
  background: rgba(242, 239, 232, 0.05);
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  opacity: 0;
  transform: translateY(28px) scale(0.98);
  animation: rise-scale 1.1s cubic-bezier(0.22, 1, 0.36, 1) 0.25s forwards;
}

.demo-stack {
  position: relative;
  z-index: 1;
  width: min(100%, 340px);
}

.demo-caption {
  margin: 0 0 0.75rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(242, 239, 232, 0.5);
  text-align: center;
}

.demo-caption--create {
  color: rgba(158, 207, 154, 0.75);
}

.hero-glow {
  position: absolute;
  inset: 12% 8%;
  background: radial-gradient(circle, rgba(224, 118, 47, 0.35), transparent 70%);
  filter: blur(28px);
  z-index: 0;
  animation: pulse 5.5s ease-in-out infinite;
}

.capture-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 340px);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.capture-copy .wizard-steps {
  margin-top: 1.5rem;
  max-width: none;
}

.capture-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  margin: 0;
  max-width: none;
  width: 100%;
}

.device--capture {
  width: 100%;
}

.capture-glow {
  background: radial-gradient(circle, rgba(47, 122, 74, 0.28), transparent 70%);
  inset: 8% 4%;
}

.device-screen--capture {
  min-height: 0;
  display: flex;
  flex-direction: column;
  padding: 0.75rem 0.75rem 0.7rem;
  gap: 0.55rem;
}

.capture-page {
  flex: none;
  background: #fff;
  border: 2px solid var(--ink);
  border-radius: 12px;
  padding: 0.65rem 0.65rem 0.6rem;
  margin-bottom: 0;
  position: relative;
}

.capture-page-label {
  margin: 0 0 0.55rem;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(18, 20, 26, 0.4);
}

.capture-line {
  margin: 0 0 0.4rem;
  font-size: 0.82rem;
  line-height: 1.45;
  color: rgba(18, 20, 26, 0.72);
}

.capture-line--muted {
  color: rgba(18, 20, 26, 0.35);
  font-size: 0.78rem;
}

.capture-line--ink {
  margin: 0;
  font-family: var(--font-display);
  font-size: 0.92rem;
  color: var(--ink);
}

.capture-snippet {
  position: relative;
  margin: 0.55rem 0 0.45rem;
  padding: 0.45rem 0.5rem;
}

.capture-box {
  position: absolute;
  inset: 0;
  border: 2px dashed var(--accent-deep);
  border-radius: 6px;
  background: rgba(224, 118, 47, 0.1);
  pointer-events: none;
  animation: crop-pulse 2.4s ease-in-out infinite;
}

.capture-box span {
  position: absolute;
  top: -0.65rem;
  left: 0.35rem;
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--accent-deep);
  background: #fff;
  padding: 0 0.25rem;
}

.capture-tray {
  background: #fff;
  border: 2px solid var(--ink);
  border-radius: 12px;
  padding: 0.55rem 0.6rem 0.6rem;
}

.capture-tray-sides {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.45rem;
  margin-bottom: 0.55rem;
}

.capture-side {
  border: 1.5px solid rgba(18, 20, 26, 0.22);
  border-radius: 8px;
  padding: 0.4rem 0.45rem 0.45rem;
  min-height: 3.6rem;
}

.capture-side--done {
  border-color: rgba(47, 122, 74, 0.55);
  background: rgba(47, 122, 74, 0.06);
}

.capture-side-tag {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 600;
  color: rgba(18, 20, 26, 0.45);
}

.capture-side--done .capture-side-tag {
  color: #2f7a4a;
}

.capture-side p {
  margin: 0;
  font-size: 0.76rem;
  line-height: 1.35;
  color: var(--ink);
}

.capture-save {
  width: 100%;
  background: #2f7a4a;
  border-color: #2f7a4a;
}

.device {
  position: relative;
  z-index: 1;
  width: min(100%, 340px);
}

.device-bezel {
  background: linear-gradient(160deg, #2c303a, #15171d 55%, #0c0d11);
  border-radius: 28px;
  padding: 18px 16px 22px;
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.device-screen {
  background:
    linear-gradient(180deg, #f6f3ec, var(--screen));
  border-radius: 12px;
  min-height: 460px;
  padding: 1rem 0.9rem 1.1rem;
  color: var(--ink);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.08);
}

.study-chrome {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(18, 20, 26, 0.45);
  margin-bottom: 0.85rem;
  padding: 0 0.15rem;
}

.study-card {
  background: #fff;
  border: 2px solid var(--ink);
  border-radius: 14px;
  padding: 1.15rem 1rem 1rem;
  min-height: 380px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.study-pinyin {
  margin: 0.4rem 0 0.2rem;
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 500;
}

.study-en {
  margin: 0 0 1.1rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.practice-row {
  display: flex;
  gap: 0.65rem;
  margin-bottom: auto;
}

.practice-box {
  width: 92px;
  height: 92px;
  border: 2.5px solid var(--ink);
  background:
    linear-gradient(to right, rgba(0, 0, 0, 0.1) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.1) 1px, transparent 1px),
    #f7f5f0;
  background-size: 33.33% 33.33%;
}

.practice-box.inked {
  position: relative;
}

.practice-box.inked::after {
  content: "个";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 3rem;
  color: rgba(18, 20, 26, 0.82);
  animation: ink-in 1.4s ease 1.1s both;
}

.study-sep {
  width: 100%;
  border-top: 2px dashed rgba(18, 20, 26, 0.28);
  margin: 1.1rem 0 0.9rem;
}

.study-show {
  appearance: none;
  border: 2px solid var(--ink);
  background: var(--ink);
  color: #fff;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 0.55rem 1.4rem;
  border-radius: 8px;
  pointer-events: none;
}

/* —— Sections —— */
.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(3.5rem, 8vh, 5.5rem) var(--pad);
  color: var(--paper);
}

.section h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.section-kicker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem 0.75rem;
  margin: 0 0 0.65rem;
  color: rgba(242, 239, 232, 0.55);
  font-size: 0.92rem;
  font-weight: 500;
}

.section-kicker .pill {
  margin-left: 0;
}

.section-lede {
  margin: 0 0 2.5rem;
  max-width: 42ch;
  color: rgba(242, 239, 232, 0.62);
  font-size: 1.08rem;
}

.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.75rem 2.5rem;
}

.feature-list h3 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
}

.feature-list p {
  margin: 0;
  color: rgba(242, 239, 232, 0.62);
  max-width: 36ch;
}

.feature-list code,
.steps code,
.section-lede code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.88em;
  color: #9ec0f5;
}

.study-card--math {
  align-items: stretch;
}

.study-prompt {
  margin: 0.2rem 0 0.35rem;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(18, 20, 26, 0.45);
  text-align: center;
}

.study-formula {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: 1.55rem;
  text-align: center;
  font-weight: 500;
}

.write-area {
  flex: 1;
  min-height: 110px;
  border: 2px solid rgba(18, 20, 26, 0.35);
  border-radius: 10px;
  background: #faf8f3;
  padding: 0.55rem 0.7rem 0.4rem;
  margin-bottom: 0.25rem;
  position: relative;
}

.write-hint {
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(18, 20, 26, 0.35);
}

.ink-stroke {
  width: 100%;
  height: 70px;
  color: var(--ink);
  margin-top: 0.2rem;
  animation: ink-draw 1.6s ease 0.8s both;
}

.capture-stage {
  margin: 0 0 2.5rem;
}

.select-flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1rem;
  align-items: stretch;
}

.select-arrow {
  display: grid;
  place-items: center;
  color: rgba(242, 239, 232, 0.35);
  font-size: 1.5rem;
  padding-top: 2.5rem;
}

.select-panel {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(242, 239, 232, 0.12);
  background: linear-gradient(160deg, rgba(242, 239, 232, 0.06), rgba(242, 239, 232, 0.02));
  min-width: 0;
}

.select-panel-head {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  padding: 0.85rem 1rem 0.7rem;
  border-bottom: 1px solid rgba(242, 239, 232, 0.1);
}

.select-step {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--accent);
}

.select-panel-head h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--paper);
  font-weight: 600;
}

.select-page {
  background: linear-gradient(180deg, #f7f4ec, #efebe2);
  color: var(--ink);
  padding: 1rem 1.1rem 1.15rem;
  min-height: 220px;
}

.page-label {
  margin: 0 0 0.75rem;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(18, 20, 26, 0.4);
}

.page-line {
  margin: 0 0 0.45rem;
  font-size: 0.95rem;
  color: rgba(18, 20, 26, 0.7);
}

.page-line.muted {
  color: rgba(18, 20, 26, 0.38);
}

.page-line--ink {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--ink);
  margin: 0;
  font-size: 1.05rem;
}

.crop-demo {
  position: relative;
  display: block;
  margin: 0.35rem 0 0.65rem;
  padding: 0.55rem 0.65rem;
}

.crop-box {
  position: absolute;
  inset: 0;
  border: 2px dashed var(--accent-deep);
  border-radius: 4px;
  background: rgba(224, 118, 47, 0.1);
  pointer-events: none;
  animation: crop-pulse 2.4s ease-in-out infinite;
}

.crop-box--back {
  border-color: #2f7a4a;
  background: rgba(47, 122, 74, 0.1);
}

.crop-box--back span {
  color: #2f7a4a;
}

.crop-box span {
  position: absolute;
  top: -0.7rem;
  left: 0.4rem;
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--accent-deep);
  background: #f7f4ec;
  padding: 0 0.3rem;
}

.select-hint {
  margin: 0.85rem 0 0;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(18, 20, 26, 0.4);
  font-weight: 600;
}

.capture-callout {
  margin-top: 0;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  background: rgba(224, 118, 47, 0.12);
  border: 1px solid rgba(224, 118, 47, 0.28);
  font-size: 0.95rem;
  color: var(--paper);
}

.capture-callout strong {
  color: #9ec0f5;
}

.capture-callout span {
  color: rgba(242, 239, 232, 0.55);
}

@keyframes crop-pulse {
  0%,
  100% {
    opacity: 0.85;
  }
  50% {
    opacity: 1;
  }
}

.wizard-steps {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.25rem;
  max-width: 52ch;
}

.wizard-steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
}

.wizard-num {
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--paper);
  background: rgba(224, 118, 47, 0.25);
  border: 1px solid rgba(74, 127, 232, 0.45);
}

.wizard-steps h3 {
  margin: 0.15rem 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
}

.wizard-steps p {
  margin: 0;
  color: rgba(242, 239, 232, 0.62);
}

.section-lede strong,
.wizard-steps strong,
.steps strong {
  color: rgba(242, 239, 232, 0.9);
  font-weight: 600;
}

.pill {
  display: inline-block;
  margin-left: 0.55rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  vertical-align: middle;
  color: #9ec0f5;
  border: 1px solid rgba(224, 118, 47, 0.45);
  background: rgba(224, 118, 47, 0.12);
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  align-items: stretch;
}

.price-card {
  padding: 1.6rem 1.5rem 1.7rem;
  border-radius: 18px;
  border: 1px solid rgba(242, 239, 232, 0.12);
  background: linear-gradient(160deg, rgba(242, 239, 232, 0.05), rgba(242, 239, 232, 0.02));
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.price-card--featured {
  border-color: rgba(224, 118, 47, 0.45);
  background: linear-gradient(160deg, rgba(224, 118, 47, 0.16), rgba(242, 239, 232, 0.03));
  box-shadow: 0 18px 50px rgba(47, 95, 168, 0.18);
}

.price-label {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--accent);
}

.price-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.55rem;
}

.price-amount {
  margin: 0.35rem 0 0.15rem;
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
}

.price-amount span {
  font-size: 1rem;
  font-weight: 500;
  color: rgba(242, 239, 232, 0.55);
  margin-left: 0.15rem;
}

.price-note {
  margin: 0 0 0.85rem;
  color: rgba(242, 239, 232, 0.62);
  font-size: 0.98rem;
}

.price-list {
  margin: 0 0 1.35rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
  flex: 1;
}

.price-list li {
  position: relative;
  padding-left: 1.15rem;
  color: rgba(242, 239, 232, 0.78);
  font-size: 0.95rem;
}

.price-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--accent);
}

.price-card .btn {
  align-self: flex-start;
}

.info {
  margin: 0 0 2rem;
  padding: 1.15rem 1.25rem;
  border-radius: 14px;
  border: 1px solid rgba(224, 118, 47, 0.4);
  background: linear-gradient(160deg, rgba(224, 118, 47, 0.14), rgba(224, 118, 47, 0.04));
  max-width: 52ch;
}

.info-label {
  margin: 0 0 0.4rem;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  color: #9ec0f5;
}

.info p:last-child {
  margin: 0;
  color: rgba(242, 239, 232, 0.78);
}

.roadmap-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-left: 1px solid rgba(242, 239, 232, 0.14);
  margin-left: 0.55rem;
}

.roadmap-list > li {
  position: relative;
  padding: 0 0 2rem 1.6rem;
}

.roadmap-list > li:last-child {
  padding-bottom: 0;
}

.roadmap-list > li::before {
  content: "";
  position: absolute;
  left: -0.35rem;
  top: 0.35rem;
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(224, 118, 47, 0.18);
}

.roadmap-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  margin-bottom: 0.45rem;
}

.roadmap-status {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.18rem 0.5rem;
  border-radius: 999px;
}

.roadmap-status--now {
  color: #0e1015;
  background: #9ec0f5;
}

.roadmap-status--soon {
  color: #1a120c;
  background: #f0a56a;
}

.roadmap-status--next {
  color: #9ec0f5;
  border: 1px solid rgba(224, 118, 47, 0.5);
  background: rgba(224, 118, 47, 0.12);
}

.roadmap-status--planned {
  color: rgba(242, 239, 232, 0.7);
  border: 1px solid rgba(242, 239, 232, 0.2);
}

.roadmap-status--later {
  color: rgba(242, 239, 232, 0.45);
  border: 1px solid rgba(242, 239, 232, 0.12);
}

.roadmap-tag {
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(242, 239, 232, 0.4);
  font-weight: 600;
}

.roadmap-list h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.3rem;
}

.roadmap-list p {
  margin: 0;
  max-width: 48ch;
  color: rgba(242, 239, 232, 0.62);
}

.roadmap-list strong {
  color: rgba(242, 239, 232, 0.9);
  font-weight: 600;
}

.warn {
  margin: 0 0 2rem;
  padding: 1.15rem 1.25rem;
  border-radius: 14px;
  border: 1px solid rgba(212, 160, 74, 0.45);
  background: linear-gradient(160deg, rgba(212, 160, 74, 0.14), rgba(212, 160, 74, 0.05));
  max-width: 52ch;
}

.warn-label {
  margin: 0 0 0.4rem;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  color: #e0b45a;
}

.warn p:last-child {
  margin: 0;
  color: rgba(242, 239, 232, 0.78);
}

.warn strong {
  color: #f2efe8;
}

@keyframes ink-draw {
  from {
    opacity: 0;
    stroke-dasharray: 280;
    stroke-dashoffset: 280;
  }
  to {
    opacity: 1;
    stroke-dasharray: 280;
    stroke-dashoffset: 0;
  }
}

@keyframes toolbar-pulse {
  0%,
  100% {
    box-shadow: 0 0 0 3px rgba(224, 118, 47, 0.12);
  }
  50% {
    box-shadow: 0 0 0 6px rgba(224, 118, 47, 0.22);
  }
}

.steps {
  list-style: none;
  margin: 0 0 2.25rem;
  padding: 0;
  display: grid;
  gap: 1.35rem;
}

.steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
}

.step-num {
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--paper);
  background: rgba(224, 118, 47, 0.25);
  border: 1px solid rgba(74, 127, 232, 0.45);
}

.steps h3 {
  margin: 0.15rem 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
}

.steps p {
  margin: 0;
  color: rgba(242, 239, 232, 0.62);
  max-width: 48ch;
}

.start-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.interest-form {
  margin-top: 1.5rem;
  padding: 1.5rem 1.45rem 1.6rem;
  border-radius: 18px;
  border: 1px solid rgba(242, 239, 232, 0.14);
  background: linear-gradient(160deg, rgba(242, 239, 232, 0.06), rgba(242, 239, 232, 0.02));
}

.interest-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 1.15rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  min-width: 0;
}

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

.field-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: rgba(242, 239, 232, 0.82);
}

.field-optional {
  font-weight: 500;
  color: rgba(242, 239, 232, 0.45);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  margin: 0;
  padding: 0.7rem 0.8rem;
  border-radius: 10px;
  border: 1px solid rgba(242, 239, 232, 0.18);
  background: rgba(12, 10, 9, 0.55);
  color: var(--paper);
  font: inherit;
  line-height: 1.4;
}

.field input::placeholder,
.field textarea::placeholder {
  color: rgba(242, 239, 232, 0.35);
}

.field select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, rgba(242, 239, 232, 0.55) 50%),
    linear-gradient(135deg, rgba(242, 239, 232, 0.55) 50%, transparent 50%);
  background-position:
    calc(100% - 1.05rem) calc(50% - 0.15rem),
    calc(100% - 0.7rem) calc(50% - 0.15rem);
  background-size: 0.35rem 0.35rem, 0.35rem 0.35rem;
  background-repeat: no-repeat;
  padding-right: 2.2rem;
}

.field select option {
  color: #12100e;
  background: #f2efe8;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid rgba(224, 118, 47, 0.65);
  outline-offset: 1px;
  border-color: rgba(224, 118, 47, 0.55);
}

.field textarea {
  resize: vertical;
  min-height: 5.5rem;
}

.interest-privacy {
  margin: 1.1rem 0 0;
  color: rgba(242, 239, 232, 0.5);
  font-size: 0.88rem;
  line-height: 1.5;
}

.interest-privacy a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.interest-actions {
  margin-top: 1.15rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem 1.1rem;
}

.interest-actions .btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.interest-status {
  margin: 0;
  font-size: 0.95rem;
  color: rgba(242, 239, 232, 0.65);
}

.interest-status[data-kind="success"] {
  color: #9dcf9a;
}

.interest-status[data-kind="error"] {
  color: #f0a090;
}

.interest-status[data-kind="pending"] {
  color: rgba(242, 239, 232, 0.7);
}

.section-lede a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.disclaimer-box {
  margin-top: 1.25rem;
  padding: 1.35rem 1.4rem 1.5rem;
  border: 1px solid rgba(242, 239, 232, 0.14);
  border-radius: 14px;
  background: rgba(20, 18, 16, 0.45);
  color: rgba(242, 239, 232, 0.72);
  font-size: 0.95rem;
  line-height: 1.55;
}

.disclaimer-box p + p {
  margin-top: 0.85rem;
}

.disclaimer-box strong {
  color: rgba(242, 239, 232, 0.92);
  font-weight: 600;
}

.disclaimer-box a,
.site-footer a,
.warn a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.disclaimer-box a:hover,
.site-footer a:hover,
.warn a:hover {
  color: #ffb06a;
}

.disclaimer-links-label {
  margin-top: 1.1rem !important;
  color: rgba(242, 239, 232, 0.55);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.disclaimer-links {
  margin: 0.65rem 0 0;
  padding-left: 1.15rem;
  display: grid;
  gap: 0.4rem;
}

.site-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2.5rem var(--pad) 3rem;
  border-top: 1px solid rgba(242, 239, 232, 0.1);
  color: rgba(242, 239, 232, 0.45);
  font-size: 0.92rem;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: rgba(242, 239, 232, 0.8);
  font-weight: 600;
  margin-bottom: 0.65rem;
}

.footer-brand img {
  display: block;
  flex: none;
  border-radius: 22%;
}

@keyframes rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes rise-scale {
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes pulse {
  0%,
  100% {
    opacity: 0.7;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.04);
  }
}

@keyframes ink-in {
  from {
    opacity: 0;
    transform: scale(0.92);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 1.5rem;
  }

  .hero-copy {
    max-width: none;
  }

  .hero-head {
    column-gap: clamp(1.25rem, 4vw, 2.25rem);
  }

  .hero-logo {
    width: clamp(4.25rem, 18vw, 6.5rem);
  }

  .hero-headlines h1 {
    max-width: none;
  }

  .hero-visual {
    order: -1;
  }

  .device {
    width: min(100%, 300px);
  }

  .capture-body {
    grid-template-columns: 1fr;
  }

  .capture-visual {
    order: -1;
    max-width: 300px;
    margin: 0 auto;
  }

  .capture-tray-sides {
    grid-template-columns: 1fr;
  }

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

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

  .interest-fields {
    grid-template-columns: 1fr;
  }

  .select-flow {
    grid-template-columns: 1fr;
  }

  .select-arrow {
    padding: 0;
    transform: rotate(90deg);
  }
}

@media (max-width: 640px) {
  .nav a:not(.nav-cta) {
    display: none;
  }

  .brand-hero {
    font-size: clamp(2.1rem, 10vw, 2.8rem);
  }

  .device-screen--capture {
    min-height: 0;
  }

  .device-screen {
    min-height: 400px;
  }

  .study-card {
    min-height: 320px;
  }

  .practice-box {
    width: 78px;
    height: 78px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .hero-logo,
  .brand-hero,
  .hero-headlines h1,
  .hero-lede,
  .hero-actions,
  .hero-visual {
    opacity: 1;
    transform: none;
  }
}