:root {
  color-scheme: light;
  --bg: #f6f3ea;
  --paper: rgba(255, 252, 245, 0.84);
  --paper-strong: #fffdf8;
  --ink: #101010;
  --muted: #5f5a52;
  --line: rgba(16, 16, 16, 0.1);
  --mint: #b8f2d0;
  --cyan: #c8eef5;
  --amber: #ffd98a;
  --shadow: 0 20px 60px rgba(22, 20, 16, 0.08);
  --bg-gradient-top-left: rgba(184, 242, 208, 0.55);
  --bg-gradient-top-right: rgba(200, 238, 245, 0.66);
  --bg-start: #faf8f1;
  --bg-end: #f2efe4;
  --grid-line: rgba(16, 16, 16, 0.025);
  --noise-dot: rgba(16, 16, 16, 0.8);
  --banner-shell: linear-gradient(180deg, rgba(245, 242, 233, 0.96), rgba(240, 236, 225, 0.96));
  --banner-line: rgba(16, 16, 16, 0.06);
  --banner-shadow: 0 16px 34px rgba(22, 20, 16, 0.06);
  --banner-image-shadow: 0 12px 24px rgba(0, 0, 0, 0.04);
  --tag-bg: rgba(255, 255, 255, 0.62);
  --tag-line: rgba(16, 16, 16, 0.12);
  --terminal-shell-line: rgba(19, 28, 49, 0.34);
  --terminal-shell-top-glow: rgba(73, 216, 172, 0.08);
  --terminal-shell-start: #182238;
  --terminal-shell-end: #101726;
  --terminal-shell-shadow: 0 24px 50px rgba(17, 24, 39, 0.14);
  --terminal-top-line: rgba(109, 126, 167, 0.12);
  --terminal-top-bg: rgba(7, 11, 22, 0.08);
  --terminal-title: rgba(205, 215, 237, 0.34);
  --terminal-text: #e8edf8;
  --terminal-prompt: #f3f6ff;
  --terminal-caret: rgba(108, 188, 255, 0.9);
  --terminal-verb: #6af1b1;
  --terminal-rest: #eef2fb;
  --spotlight-glow: rgba(255, 217, 138, 0.28);
  --stat-bg: rgba(255, 255, 255, 0.66);
  --stat-line: rgba(16, 16, 16, 0.08);
  --note-bg: rgba(255, 255, 255, 0.6);
  --note-line: rgba(16, 16, 16, 0.09);
  --contact-mint: rgba(184, 242, 208, 0.34);
  --contact-amber: rgba(255, 217, 138, 0.26);
  --button-bg: rgba(255, 255, 255, 0.78);
  --button-line: rgba(16, 16, 16, 0.14);
  --button-hover-bg: #ffffff;
  --button-hover-shadow: 0 14px 30px rgba(16, 16, 16, 0.08);
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #17171b;
  --paper: rgba(28, 28, 33, 0.9);
  --paper-strong: #222229;
  --ink: #f3f4f6;
  --muted: #a8aab3;
  --line: rgba(255, 255, 255, 0.08);
  --shadow: 0 22px 60px rgba(0, 0, 0, 0.34);
  --bg-gradient-top-left: rgba(39, 93, 73, 0.14);
  --bg-gradient-top-right: rgba(34, 56, 82, 0.16);
  --bg-start: #17171b;
  --bg-end: #111216;
  --grid-line: rgba(255, 255, 255, 0.035);
  --noise-dot: rgba(255, 255, 255, 0.22);
  --banner-shell: linear-gradient(180deg, rgba(29, 30, 35, 0.96), rgba(23, 24, 29, 0.96));
  --banner-line: rgba(255, 255, 255, 0.08);
  --banner-shadow: 0 18px 38px rgba(0, 0, 0, 0.22);
  --banner-image-shadow: 0 10px 26px rgba(0, 0, 0, 0.18);
  --tag-bg: rgba(255, 255, 255, 0.03);
  --tag-line: rgba(255, 255, 255, 0.1);
  --terminal-shell-line: rgba(255, 255, 255, 0.08);
  --terminal-shell-top-glow: rgba(52, 196, 151, 0.06);
  --terminal-shell-start: #1b1c22;
  --terminal-shell-end: #17171b;
  --terminal-shell-shadow: 0 24px 50px rgba(0, 0, 0, 0.18);
  --terminal-top-line: rgba(255, 255, 255, 0.06);
  --terminal-top-bg: rgba(255, 255, 255, 0.02);
  --terminal-title: rgba(205, 215, 237, 0.42);
  --terminal-text: #e9edf6;
  --terminal-prompt: #f4f7ff;
  --terminal-caret: rgba(118, 174, 255, 0.9);
  --terminal-verb: #59e3ad;
  --terminal-rest: #f0f3fb;
  --spotlight-glow: rgba(255, 196, 88, 0.12);
  --stat-bg: rgba(255, 255, 255, 0.03);
  --stat-line: rgba(255, 255, 255, 0.08);
  --note-bg: rgba(255, 255, 255, 0.025);
  --note-line: rgba(255, 255, 255, 0.08);
  --contact-mint: rgba(92, 197, 159, 0.12);
  --contact-amber: rgba(214, 162, 78, 0.1);
  --button-bg: rgba(255, 255, 255, 0.04);
  --button-line: rgba(255, 255, 255, 0.1);
  --button-hover-bg: rgba(255, 255, 255, 0.08);
  --button-hover-shadow: 0 14px 30px rgba(0, 0, 0, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "IBM Plex Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, var(--bg-gradient-top-left), transparent 28%),
    radial-gradient(circle at 82% 16%, var(--bg-gradient-top-right), transparent 24%),
    linear-gradient(180deg, var(--bg-start) 0%, var(--bg-end) 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(circle at center, black 48%, transparent 92%);
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.08;
  background-image:
    radial-gradient(circle at 20% 20%, var(--noise-dot) 0 0.6px, transparent 0.8px),
    radial-gradient(circle at 80% 30%, var(--noise-dot) 0 0.7px, transparent 0.9px),
    radial-gradient(circle at 40% 80%, var(--noise-dot) 0 0.65px, transparent 0.9px);
}

.page-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 96px 0 56px;
}

.card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--paper);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.top-banner {
  margin-bottom: 20px;
  padding: 10px 12px;
  border: 1px solid var(--banner-line);
  background: var(--banner-shell);
  box-shadow: var(--banner-shadow);
  backdrop-filter: blur(8px);
}

.top-banner::after {
  display: none;
}

.top-banner img {
  display: block;
  width: 100%;
  height: clamp(132px, 21vw, 220px);
  object-fit: cover;
  object-position: center;
  border-radius: 22px;
  border: 0;
  box-shadow: var(--banner-image-shadow);
  mix-blend-mode: multiply;
  filter: saturate(0.96) contrast(1.02);
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.88fr;
  gap: 28px;
  padding: 38px;
}

.eyebrow {
  margin: 0 0 12px;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

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

h1 {
  margin-bottom: 18px;
  max-width: 12ch;
  font-size: clamp(2.3rem, 5vw, 4.9rem);
  line-height: 0.95;
  letter-spacing: -0.045em;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(1.55rem, 2.4vw, 2.35rem);
  line-height: 1.1;
  letter-spacing: -0.035em;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.05rem;
}

.lead,
.card p {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
}

.hero-tags,
.share-line,
.metric-row,
.note-grid,
.pricing-grid,
.split-section {
  display: grid;
  gap: 18px;
}

.hero-tags {
  margin-top: 24px;
  grid-template-columns: repeat(3, max-content);
}

.hero-tags span,
.mono-badge,
.share-line span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid var(--tag-line);
  border-radius: 999px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.82rem;
  background: var(--tag-bg);
}

.terminal-art {
  align-self: stretch;
  padding: 0;
  border-radius: 24px;
  border: 1px solid var(--terminal-shell-line);
  background:
    radial-gradient(circle at top right, var(--terminal-shell-top-glow), transparent 22%),
    linear-gradient(180deg, var(--terminal-shell-start) 0%, var(--terminal-shell-end) 100%);
  color: #dfe7f8;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    var(--terminal-shell-shadow);
}

.terminal-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 42px;
  padding: 0 14px 0 14px;
  border-bottom: 1px solid var(--terminal-top-line);
  background: var(--terminal-top-bg);
}

.terminal-dots {
  display: flex;
  gap: 8px;
}

.terminal-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.08);
}

.terminal-dots span:nth-child(1) {
  background: #ff5f57;
}

.terminal-dots span:nth-child(2) {
  background: #febc2e;
}

.terminal-dots span:nth-child(3) {
  background: #28c840;
}

.terminal-title {
  margin: 0;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--terminal-title);
}

.terminal-body {
  padding: 14px 18px 12px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.9rem;
  line-height: 0.94;
  color: var(--terminal-text);
}

.command-sequence {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-height: 260px;
  padding-top: 12px;
}

.cmd-line {
  opacity: 0;
  transform: translateY(6px);
  animation: revealUp 180ms ease forwards;
  animation-delay: var(--delay, 0s);
  white-space: nowrap;
  letter-spacing: -0.01em;
  margin: 0;
}

.cmd-line {
  color: #f5f7fa;
}

.prompt,
.result-line .prompt {
  margin-right: 6px;
  color: var(--terminal-prompt);
}

.cmd-content {
  display: inline-block;
  overflow: hidden;
  width: 0;
  vertical-align: bottom;
  border-right: 2px solid var(--terminal-caret);
  animation:
    typing var(--type-duration, 1.35s) steps(var(--steps, 20)) forwards,
    caretBlink 1s step-end 2,
    caretHide 1ms linear forwards;
  animation-delay:
    var(--delay, 0s),
    var(--delay, 0s),
    calc(var(--delay, 0s) + var(--type-duration, 1.35s));
}

.tok-verb {
  color: var(--terminal-verb);
  text-shadow: 0 0 10px rgba(106, 241, 177, 0.08);
}

.tok-success {
  color: var(--terminal-verb);
  text-shadow:
    0 0 10px rgba(106, 241, 177, 0.18),
    0 0 22px rgba(106, 241, 177, 0.08);
}

.tok-ident,
.tok-plain,
.tok-type,
.tok-token,
.tok-call,
.tok-domain {
  color: var(--terminal-rest);
  text-shadow: none;
}

.result-line {
  margin-top: auto;
  padding-top: 2px;
  font-size: 1.02rem;
}

.result-line .cmd-content {
  width: 0;
  animation:
    typing var(--type-duration, 1.05s) steps(var(--steps, 15)) forwards,
    caretBlink 1s step-end 2,
    caretHide 1ms linear forwards;
  animation-delay:
    var(--delay, 0s),
    var(--delay, 0s),
    calc(var(--delay, 0s) + var(--type-duration, 1.05s));
}

.result-flash .tok-success,
.result-flash .tok-domain {
  animation: resultBlink 1.2s ease-in-out 3;
}

.pricing-grid {
  grid-template-columns: 1.2fr 0.8fr;
  margin-top: 22px;
}

.spotlight,
.sketch-card,
.benefit-card,
.note-wall,
.contact-card {
  padding: 30px;
}

.spotlight {
  background:
    linear-gradient(135deg, var(--spotlight-glow), transparent 52%),
    var(--paper);
}

.section-head {
  margin-bottom: 18px;
}

.metric-row {
  margin-top: 28px;
  grid-template-columns: repeat(2, 1fr);
}

.metric-row div {
  padding: 18px;
  border-radius: 20px;
  background: var(--stat-bg);
  border: 1px solid var(--stat-line);
}

.metric-row strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.5rem;
  line-height: 1;
}

.metric-row span {
  color: var(--muted);
  font-size: 0.92rem;
}

.sketch-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
}

.sketch-copy h3 {
  margin-bottom: 10px;
  font-size: 1.28rem;
  line-height: 1.25;
  letter-spacing: -0.03em;
}

.sketch-note {
  margin-bottom: 0;
}

.compact-line {
  margin-top: 18px;
}

.split-section {
  grid-template-columns: repeat(2, 1fr);
  margin-top: 22px;
}

.benefit-card {
  min-height: 100%;
}

.mono-badge {
  margin-top: 22px;
  width: fit-content;
}

.share-line {
  margin-top: 22px;
  grid-template-columns: repeat(3, max-content);
}

.note-wall {
  margin-top: 22px;
}

.note-grid {
  grid-template-columns: repeat(3, 1fr);
}

.note {
  padding: 20px;
  border-radius: 20px;
  border: 1px solid var(--note-line);
  background: var(--note-bg);
}

.note p {
  margin-bottom: 0;
}

.usage-card {
  margin-top: 22px;
  padding: 30px;
  background:
    linear-gradient(135deg, rgba(200, 238, 245, 0.16), transparent 52%),
    var(--paper);
}

.usage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.usage-note {
  padding: 20px;
  border-radius: 20px;
  border: 1px solid var(--note-line);
  background: var(--note-bg);
}

.usage-note h3 {
  margin-bottom: 10px;
}

.usage-note p {
  margin-bottom: 0;
}

.usage-alert {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-top: 18px;
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid var(--note-line);
  background: rgba(255, 217, 138, 0.14);
  color: var(--ink);
  line-height: 1.7;
}

.usage-alert strong {
  flex: 0 0 auto;
}

.usage-alert span {
  color: var(--muted);
}

.contact-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 22px;
  background:
    linear-gradient(120deg, var(--contact-mint), transparent 45%),
    linear-gradient(320deg, var(--contact-amber), transparent 40%),
    var(--paper);
}

.ghost-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 144px;
  min-height: 52px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid var(--button-line);
  color: var(--ink);
  text-decoration: none;
  font-family: "JetBrains Mono", monospace;
  background: var(--button-bg);
  transition:
    transform 180ms ease,
    background 180ms ease,
    box-shadow 180ms ease;
}

.ghost-button:hover {
  transform: translateY(-2px);
  background: var(--button-hover-bg);
  box-shadow: var(--button-hover-shadow);
}

.join-qq {
  position: fixed;
  left: 50%;
  bottom: 18px;
  z-index: 20;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column-reverse;
  align-items: center;
  gap: 12px;
}

.join-qq-trigger {
  min-width: 132px;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid var(--button-line);
  border-radius: 999px;
  background: var(--button-bg);
  color: var(--ink);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.92rem;
  cursor: pointer;
  box-shadow: var(--button-hover-shadow);
  transition:
    transform 180ms ease,
    background 180ms ease,
    border-color 180ms ease;
}

.join-qq-panel {
  width: 220px;
  padding: 10px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: var(--paper-strong);
  box-shadow: 0 24px 50px rgba(22, 20, 16, 0.16);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px) scale(0.98);
  transform-origin: bottom center;
  transition:
    opacity 180ms ease,
    transform 180ms ease,
    visibility 180ms ease;
}

.join-qq-panel img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 14px;
}

.join-qq:hover .join-qq-panel,
.join-qq:focus-within .join-qq-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.join-qq:hover .join-qq-trigger,
.join-qq:focus-within .join-qq-trigger {
  transform: translateY(-2px);
  background: var(--button-hover-bg);
}

html[data-theme="dark"] .card::after {
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

html[data-theme="dark"] .top-banner img {
  mix-blend-mode: normal;
  filter: saturate(0.96) contrast(1.02) brightness(0.94);
}

html[data-theme="dark"] .terminal-dots span {
  box-shadow: none;
}

html[data-theme="dark"] .terminal-dots span:nth-child(1) {
  background: #ff6b7a;
}

html[data-theme="dark"] .terminal-dots span:nth-child(2) {
  background: #f2c94c;
}

html[data-theme="dark"] .terminal-dots span:nth-child(3) {
  background: #6bdc8b;
}

html[data-theme="dark"] .metric-row span,
html[data-theme="dark"] .card p,
html[data-theme="dark"] .lead {
  color: var(--muted);
}

html[data-theme="dark"] .hero-tags span,
html[data-theme="dark"] .mono-badge,
html[data-theme="dark"] .share-line span {
  color: var(--ink);
}

html[data-theme="dark"] .usage-alert {
  background: rgba(255, 196, 88, 0.08);
}

html[data-theme="dark"] .join-qq-panel {
  background: #1d1f25;
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.35);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #17171b;
    --paper: rgba(28, 28, 33, 0.9);
    --paper-strong: #222229;
    --ink: #f3f4f6;
    --muted: #a8aab3;
    --line: rgba(255, 255, 255, 0.08);
    --shadow: 0 22px 60px rgba(0, 0, 0, 0.34);
    --bg-gradient-top-left: rgba(39, 93, 73, 0.14);
    --bg-gradient-top-right: rgba(34, 56, 82, 0.16);
    --bg-start: #17171b;
    --bg-end: #111216;
    --grid-line: rgba(255, 255, 255, 0.035);
    --noise-dot: rgba(255, 255, 255, 0.22);
    --banner-shell: linear-gradient(180deg, rgba(29, 30, 35, 0.96), rgba(23, 24, 29, 0.96));
    --banner-line: rgba(255, 255, 255, 0.08);
    --banner-shadow: 0 18px 38px rgba(0, 0, 0, 0.22);
    --banner-image-shadow: 0 10px 26px rgba(0, 0, 0, 0.18);
    --tag-bg: rgba(255, 255, 255, 0.03);
    --tag-line: rgba(255, 255, 255, 0.1);
    --terminal-shell-line: rgba(255, 255, 255, 0.08);
    --terminal-shell-top-glow: rgba(52, 196, 151, 0.06);
    --terminal-shell-start: #1b1c22;
    --terminal-shell-end: #17171b;
    --terminal-shell-shadow: 0 24px 50px rgba(0, 0, 0, 0.18);
    --terminal-top-line: rgba(255, 255, 255, 0.06);
    --terminal-top-bg: rgba(255, 255, 255, 0.02);
    --terminal-title: rgba(205, 215, 237, 0.42);
    --terminal-text: #e9edf6;
    --terminal-prompt: #f4f7ff;
    --terminal-caret: rgba(118, 174, 255, 0.9);
    --terminal-verb: #59e3ad;
    --terminal-rest: #f0f3fb;
    --spotlight-glow: rgba(255, 196, 88, 0.12);
    --stat-bg: rgba(255, 255, 255, 0.03);
    --stat-line: rgba(255, 255, 255, 0.08);
    --note-bg: rgba(255, 255, 255, 0.025);
    --note-line: rgba(255, 255, 255, 0.08);
    --contact-mint: rgba(92, 197, 159, 0.12);
    --contact-amber: rgba(214, 162, 78, 0.1);
    --button-bg: rgba(255, 255, 255, 0.04);
    --button-line: rgba(255, 255, 255, 0.1);
    --button-hover-bg: rgba(255, 255, 255, 0.08);
    --button-hover-shadow: 0 14px 30px rgba(0, 0, 0, 0.18);
  }

  :root:not([data-theme="light"]) .card::after {
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
  }

  :root:not([data-theme="light"]) .top-banner img {
    mix-blend-mode: normal;
    filter: saturate(0.96) contrast(1.02) brightness(0.94);
  }

  :root:not([data-theme="light"]) .terminal-dots span {
    box-shadow: none;
  }

  :root:not([data-theme="light"]) .terminal-dots span:nth-child(1) {
    background: #ff6b7a;
  }

  :root:not([data-theme="light"]) .terminal-dots span:nth-child(2) {
    background: #f2c94c;
  }

  :root:not([data-theme="light"]) .terminal-dots span:nth-child(3) {
    background: #6bdc8b;
  }

  :root:not([data-theme="light"]) .metric-row span,
  :root:not([data-theme="light"]) .card p,
  :root:not([data-theme="light"]) .lead {
    color: var(--muted);
  }

  :root:not([data-theme="light"]) .hero-tags span,
  :root:not([data-theme="light"]) .mono-badge,
  :root:not([data-theme="light"]) .share-line span {
    color: var(--ink);
  }

  :root:not([data-theme="light"]) .usage-alert {
    background: rgba(255, 196, 88, 0.08);
  }

  :root:not([data-theme="light"]) .join-qq-panel {
    background: #1d1f25;
    border-color: rgba(255, 255, 255, 0.08);
    box-shadow: 0 26px 60px rgba(0, 0, 0, 0.35);
  }
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.56;
  }
}

@keyframes revealUp {
  from {
    opacity: 0;
    transform: translateY(6px);
  }

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

@keyframes resultBlink {
  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.22;
  }
}

@keyframes typing {
  from {
    width: 0;
  }

  to {
    width: var(--line-width, 20ch);
  }
}

@keyframes caretBlink {
  0%,
  100% {
    border-color: rgba(137, 221, 255, 0.9);
  }

  50% {
    border-color: transparent;
  }
}

@keyframes caretHide {
  to {
    border-right-color: transparent;
  }
}

@keyframes revealLogo {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.98);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (max-width: 960px) {
  .hero,
  .pricing-grid,
  .split-section,
  .note-grid,
  .usage-grid,
  .contact-card {
    grid-template-columns: 1fr;
  }

  .contact-card {
    align-items: flex-start;
  }

  h1 {
    max-width: none;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(100% - 20px, 1120px);
    padding-top: 82px;
    padding-bottom: 28px;
  }

  .top-banner {
    margin-bottom: 14px;
    padding: 8px;
  }

  .top-banner img {
    height: 110px;
    border-radius: 18px;
  }

  .hero,
  .spotlight,
  .sketch-card,
  .benefit-card,
  .note-wall,
  .usage-card,
  .contact-card {
    padding: 22px;
  }

  .hero-tags,
  .share-line,
  .metric-row {
    grid-template-columns: 1fr;
  }

  .usage-alert {
    flex-direction: column;
    gap: 6px;
  }

  .terminal-top {
    min-height: 38px;
    padding: 0 12px;
  }

  .terminal-body {
    padding: 16px 16px 16px;
  }

  .join-qq {
    bottom: 12px;
  }

  .join-qq-panel {
    width: 176px;
    padding: 8px;
  }

}