:root {
  --landing-ink: #101114;
  --landing-ink-soft: #171a20;
  --landing-blue: #2375ff;
  --landing-blue-dark: #0d5ee8;
  --landing-green: #20b486;
  --landing-paper: #ffffff;
  --landing-paper-soft: #f5f7fa;
  --landing-line: #e4e7ec;
  --landing-text: #17191e;
  --landing-muted: #667085;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--landing-paper);
  color: var(--landing-text);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
  letter-spacing: 0;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
button, input, textarea { font: inherit; letter-spacing: 0; }
button, a { -webkit-tap-highlight-color: transparent; }
img { display: block; max-width: 100%; }
a { color: inherit; }

.landing-shell { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }

.landing-header {
  position: fixed;
  z-index: 50;
  top: 18px;
  left: 0;
  right: 0;
}
.landing-nav {
  min-height: 56px;
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 8px 10px 8px 14px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 8px;
  background: rgba(16,17,20,.88);
  color: #fff;
  box-shadow: 0 12px 34px rgba(0,0,0,.18);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: background .24s ease, border-color .24s ease, box-shadow .24s ease, color .24s ease;
}
.landing-brand { display: flex; align-items: center; gap: 10px; min-width: 0; color: #fff; text-decoration: none; font-size: 15px; font-weight: 800; }
.brand-mark { width: 34px; height: 34px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 8px; background: var(--landing-blue); color: #fff; font-size: 12px; font-weight: 800; }
.landing-links { display: flex; align-items: center; gap: 28px; margin-left: auto; }
.landing-links a { color: #bec4ce; text-decoration: none; font-size: 13px; font-weight: 600; }
.landing-links a:hover, .landing-links a:focus-visible { color: #fff; }
.landing-actions { display: flex; align-items: center; gap: 8px; }
.landing-button {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: 8px;
  text-decoration: none;
  font-size: 13px;
  font-weight: 750;
  cursor: pointer;
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
}
.landing-button:hover { transform: translateY(-1px); }
.landing-button.primary { background: var(--landing-blue); color: #fff; }
.landing-button.primary:hover { background: var(--landing-blue-dark); }
.landing-button.ghost { border-color: rgba(255,255,255,.18); color: #fff; background: transparent; }
.landing-button.ghost:hover { border-color: rgba(255,255,255,.38); background: rgba(255,255,255,.06); }
.landing-menu { display: none; width: 40px; height: 40px; place-items: center; margin-left: auto; border: 1px solid rgba(255,255,255,.16); border-radius: 8px; background: transparent; color: #fff; cursor: pointer; }
.landing-menu svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; }

.landing-nav.is-light { border-color: rgba(16,17,20,.1); background: rgba(255,255,255,.92); color: var(--landing-text); box-shadow: 0 12px 34px rgba(29,38,56,.12); }
.landing-nav.is-light .landing-brand { color: var(--landing-text); }
.landing-nav.is-light .landing-links a { color: #626a78; }
.landing-nav.is-light .landing-links a:hover, .landing-nav.is-light .landing-links a:focus-visible { color: #101114; }
.landing-nav.is-light .landing-button.ghost { border-color: #d9dde5; color: #242833; }
.landing-nav.is-light .landing-button.ghost:hover { border-color: #aeb5c2; background: #f4f6f8; }
.landing-nav.is-light .landing-menu { border-color: #d9dde5; color: #242833; }

.landing-hero {
  --pointer-x: 50%;
  --pointer-y: 72%;
  --scene-rgb: 35, 117, 255;
  --scene-accent: #72a6ff;
  isolation: isolate;
  position: relative;
  overflow: hidden;
  min-height: 700px;
  padding: 92px 0 28px;
  background-color: var(--landing-ink);
  color: #fff;
}
.landing-hero[data-scene="gold"] { --scene-rgb: 221, 170, 79; --scene-accent: #f1c46f; }
.landing-hero[data-scene="aqua"] { --scene-rgb: 42, 174, 166; --scene-accent: #5ed4c8; }
.landing-hero[data-scene="coral"] { --scene-rgb: 222, 108, 100; --scene-accent: #f09a91; }
.landing-hero[data-scene="violet"] { --scene-rgb: 129, 114, 224; --scene-accent: #aaa0f4; }
.landing-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  opacity: .32;
  background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}
.landing-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: -15%;
  right: -15%;
  bottom: -34%;
  height: 82%;
  background: radial-gradient(ellipse at var(--pointer-x) var(--pointer-y), rgba(var(--scene-rgb),.46) 0%, rgba(var(--scene-rgb),.16) 38%, transparent 72%);
  filter: blur(24px);
  transition: background .5s ease;
  pointer-events: none;
}
.landing-hero .landing-shell { position: relative; z-index: 1; }
.hero-copy { width: min(980px, 100%); margin: 0 auto; text-align: center; }
.hero-kicker { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 10px; color: #aeb6c4; font-size: 13px; font-weight: 700; }
.hero-kicker::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--landing-green); box-shadow: 0 0 0 5px rgba(32,180,134,.12); }
.landing-hero h1 { max-width: none; margin: 0 auto; font-size: 52px; line-height: 1.14; font-weight: 750; letter-spacing: 0; white-space: nowrap; }
.landing-hero h1 span { color: var(--scene-accent); transition: color .45s ease; }
.hero-lead { max-width: 760px; margin: 10px auto 16px; color: #aeb6c4; font-size: 17px; line-height: 1.7; }

.prompt-composer {
  position: relative;
  z-index: 2;
  width: min(800px, 100%);
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 8px;
  background: rgba(26,29,35,.94);
  box-shadow: 0 22px 60px rgba(0,0,0,.34);
  text-align: left;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.composer-tabs { display: flex; align-items: center; gap: 4px; padding: 10px 12px 0; }
.composer-tab { min-height: 34px; padding: 0 12px; border: 0; border-radius: 7px; background: transparent; color: #929baa; font-size: 13px; font-weight: 700; cursor: pointer; }
.composer-tab:hover { color: #fff; }
.composer-tab.active { background: #292e37; color: #fff; }
.prompt-composer textarea { width: 100%; min-height: 60px; resize: none; display: block; padding: 12px 18px 6px; border: 0; outline: none; background: transparent; color: #fff; font-size: 16px; line-height: 1.6; }
.prompt-composer textarea::placeholder { color: #77808e; }
.prompt-composer:focus-within { border-color: rgba(114,166,255,.72); box-shadow: 0 0 0 3px rgba(35,117,255,.14), 0 22px 60px rgba(0,0,0,.34); }
.composer-footer { min-height: 48px; display: flex; align-items: center; gap: 8px; padding: 5px 10px 7px 14px; }
.composer-meta { display: flex; align-items: center; gap: 10px; min-width: 0; margin-right: auto; color: #8f98a7; font-size: 12px; }
.composer-meta span { display: inline-flex; align-items: center; gap: 5px; white-space: nowrap; }
.composer-meta i { width: 6px; height: 6px; border-radius: 50%; background: var(--landing-green); }
.composer-submit { min-height: 40px; padding: 0 17px; border: 0; border-radius: 8px; background: var(--landing-blue); color: #fff; font-size: 13px; font-weight: 800; cursor: pointer; }
.composer-submit:hover { background: var(--landing-blue-dark); }
.prompt-suggestions { position: relative; z-index: 2; display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.prompt-suggestions button { min-height: 34px; padding: 0 12px; border: 1px solid rgba(255,255,255,.11); border-radius: 8px; background: rgba(255,255,255,.035); color: #919aa8; font-size: 12px; cursor: pointer; }
.prompt-suggestions button:hover, .prompt-suggestions button:focus-visible { color: #fff; border-color: rgba(255,255,255,.28); background: rgba(255,255,255,.07); }

.creative-stage {
  --tilt-x: 0deg;
  --tilt-y: 0deg;
  position: relative;
  width: min(1100px, 100%);
  height: 214px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 210px;
  margin: 18px auto 0;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 8px;
  background: rgba(19,22,28,.9);
  box-shadow: 0 24px 70px rgba(0,0,0,.3), 0 0 60px rgba(var(--scene-rgb),.1);
  transition: border-color .3s ease, box-shadow .45s ease;
}
.creative-stage:hover, .creative-stage:focus-within { border-color: rgba(255,255,255,.28); box-shadow: 0 28px 78px rgba(0,0,0,.36), 0 0 72px rgba(var(--scene-rgb),.2); }
.stage-frame { min-width: 0; min-height: 0; height: 100%; display: grid; grid-template-rows: 36px minmax(0, 1fr); overflow: hidden; border-right: 1px solid rgba(255,255,255,.1); transform: perspective(1100px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y)); transition: transform .18s ease-out; }
.stage-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 0 10px 0 14px; border-bottom: 1px solid rgba(255,255,255,.09); background: rgba(12,14,18,.82); }
.stage-status { display: flex; align-items: center; gap: 7px; color: #cbd1da; font-size: 11px; font-weight: 700; }
.stage-status i { width: 6px; height: 6px; border-radius: 50%; background: var(--landing-green); box-shadow: 0 0 0 4px rgba(32,180,134,.12); animation: status-pulse 2.4s ease-in-out infinite; }
.stage-tools { display: flex; align-items: center; gap: 7px; color: #8d96a5; font-size: 10px; }
.stage-tools > span { padding: 2px 6px; border: 1px solid rgba(255,255,255,.1); border-radius: 5px; }
.stage-pause { width: 28px; height: 28px; display: grid; place-items: center; padding: 0; border: 1px solid rgba(255,255,255,.1); border-radius: 6px; background: transparent; color: #cbd1da; cursor: pointer; }
.stage-pause:hover, .stage-pause:focus-visible { border-color: rgba(255,255,255,.28); background: rgba(255,255,255,.07); color: #fff; }
.stage-pause span { font-size: 10px; line-height: 1; }
.stage-canvas { position: relative; min-height: 0; overflow: hidden; background: #11141a; }
.stage-canvas::after { content: ""; position: absolute; inset: 42% 0 0; background: linear-gradient(transparent, rgba(7,9,12,.78)); pointer-events: none; }
.stage-image { width: 100%; height: 100%; object-fit: cover; transform: scale(1.015); }
.stage-image.is-switching { animation: stage-image-in .48s ease both; }
.stage-caption { position: absolute; z-index: 2; left: 20px; right: 20px; bottom: 16px; display: flex; align-items: flex-end; justify-content: space-between; gap: 18px; }
.stage-caption span { color: var(--scene-accent); font-size: 11px; font-weight: 800; transition: color .45s ease; }
.stage-caption strong { max-width: 66%; color: #fff; font-size: 15px; line-height: 1.25; text-align: right; }
.stage-choices { min-width: 0; min-height: 0; height: 100%; display: grid; grid-template-rows: repeat(5, minmax(0, 1fr)); gap: 4px; overflow: hidden; padding: 7px; background: rgba(10,12,16,.64); }
.stage-choice { min-width: 0; min-height: 0; display: grid; grid-template-columns: 40px minmax(0, 1fr); align-items: center; gap: 8px; padding: 3px; border: 1px solid transparent; border-radius: 6px; background: transparent; color: #8e97a5; text-align: left; cursor: pointer; }
.stage-choice img { width: 40px; height: 26px; border-radius: 4px; object-fit: cover; opacity: .58; filter: saturate(.72); transition: opacity .2s ease, filter .2s ease; }
.stage-choice span { min-width: 0; overflow: hidden; font-size: 11px; font-weight: 700; white-space: nowrap; text-overflow: ellipsis; }
.stage-choice:hover { background: rgba(255,255,255,.045); color: #d9dee7; }
.stage-choice.active { border-color: rgba(var(--scene-rgb),.45); background: rgba(var(--scene-rgb),.12); color: #fff; box-shadow: inset 3px 0 0 var(--scene-accent); }
.stage-choice.active img { opacity: 1; filter: saturate(1); }
.stage-choice:focus-visible { outline: 2px solid var(--scene-accent); outline-offset: -2px; }
.stage-progress { position: absolute; z-index: 4; left: 0; bottom: 0; width: calc(100% - 210px); height: 2px; overflow: hidden; background: rgba(255,255,255,.08); }
.stage-progress i { display: block; width: 100%; height: 100%; background: var(--scene-accent); transform: scaleX(0); transform-origin: left center; }
.creative-stage.is-progressing .stage-progress i { animation: stage-progress 5.2s linear both; }

@keyframes stage-progress { to { transform: scaleX(1); } }
@keyframes stage-image-in { from { opacity: .15; transform: scale(1.045); } to { opacity: 1; transform: scale(1.015); } }
@keyframes status-pulse { 50% { opacity: .55; box-shadow: 0 0 0 7px rgba(32,180,134,0); } }

.landing-section { padding: 104px 0; }
.landing-section.soft { background: var(--landing-paper-soft); }
.section-head { max-width: 680px; margin: 0 auto 48px; text-align: center; }
.section-label { margin: 0 0 10px; color: var(--landing-blue); font-size: 13px; font-weight: 800; }
.section-head h2, .feature-copy h2 { margin: 0; color: var(--landing-text); font-size: 40px; line-height: 1.24; font-weight: 750; letter-spacing: 0; }
.section-head p, .feature-copy p { margin: 16px 0 0; color: var(--landing-muted); font-size: 16px; line-height: 1.8; }

.showcase-grid { display: grid; grid-template-columns: 1.15fr .85fr .85fr; grid-template-rows: 220px 220px; gap: 12px; }
.showcase-grid figure { position: relative; min-width: 0; min-height: 0; margin: 0; overflow: hidden; border-radius: 8px; background: #e9edf3; }
.showcase-grid figure:first-child { grid-row: 1 / 3; }
.showcase-grid figure:nth-child(4) { grid-column: 2 / 4; }
.showcase-grid img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.showcase-grid figure:hover img { transform: scale(1.025); }
.showcase-grid figcaption { position: absolute; left: 14px; bottom: 14px; padding: 6px 9px; border-radius: 6px; background: rgba(16,17,20,.78); color: #fff; font-size: 12px; }

.feature-stack { display: grid; gap: 28px; }
.feature-band { display: grid; grid-template-columns: .84fr 1.16fr; min-height: 420px; overflow: hidden; border: 1px solid var(--landing-line); border-radius: 8px; background: #fff; }
.feature-band.reverse { grid-template-columns: 1.16fr .84fr; }
.feature-band.reverse .feature-copy { order: 2; }
.feature-copy { display: flex; flex-direction: column; justify-content: center; padding: 56px; }
.feature-copy h2 { font-size: 32px; }
.feature-list { display: grid; gap: 11px; margin: 24px 0 0; padding: 0; list-style: none; }
.feature-list li { display: flex; align-items: center; gap: 10px; color: #475467; font-size: 14px; }
.feature-list li::before { content: ""; width: 7px; height: 7px; flex: 0 0 auto; border-radius: 50%; background: var(--landing-green); }
.feature-visual { min-width: 0; min-height: 420px; display: grid; place-items: center; padding: 34px; background: #eef2f7; }
.feature-band:nth-child(2) .feature-visual { background: #101114; }

.mock-workspace { width: 100%; max-width: 650px; overflow: hidden; border: 1px solid #d7dce4; border-radius: 8px; background: #fff; box-shadow: 0 18px 48px rgba(30,39,58,.14); }
.mock-bar { height: 38px; display: flex; align-items: center; gap: 6px; padding: 0 12px; border-bottom: 1px solid #eaecf0; background: #fafbfc; }
.mock-dot { width: 7px; height: 7px; border-radius: 50%; background: #cbd1da; }
.mock-body { display: grid; grid-template-columns: 138px 1fr; min-height: 276px; }
.mock-sidebar { padding: 14px 10px; border-right: 1px solid #eceef2; background: #f8f9fb; }
.mock-nav-item { height: 30px; margin-bottom: 5px; border-radius: 6px; background: #eceff3; }
.mock-nav-item.active { background: #dce8ff; }
.mock-content { display: grid; grid-template-columns: repeat(2, 1fr); gap: 9px; padding: 14px; }
.mock-content img { width: 100%; height: 116px; border-radius: 7px; object-fit: cover; }
.mock-prompt { grid-column: 1 / -1; height: 54px; display: flex; align-items: center; justify-content: space-between; padding: 0 12px; border: 1px solid #dfe3e8; border-radius: 7px; color: #8a93a1; font-size: 11px; }
.mock-prompt b { padding: 7px 10px; border-radius: 6px; background: var(--landing-blue); color: #fff; }

.edit-compare { --compare: 52%; position: relative; width: min(100%, 620px); aspect-ratio: 16 / 10; overflow: hidden; border: 1px solid rgba(255,255,255,.14); border-radius: 8px; background: #15171c; box-shadow: 0 22px 54px rgba(0,0,0,.3); }
.edit-compare img { width: 100%; height: 100%; object-fit: cover; }
.edit-after { position: absolute; inset: 0; overflow: hidden; clip-path: inset(0 0 0 var(--compare)); }
.compare-label { position: absolute; z-index: 2; top: 14px; padding: 5px 8px; border-radius: 6px; color: #fff; font-size: 11px; }
.compare-label.before { left: 14px; background: rgba(16,17,20,.76); }
.compare-label.after { right: 14px; background: var(--landing-blue); }
.compare-divider { position: absolute; z-index: 3; top: 0; bottom: 0; left: var(--compare); width: 2px; transform: translateX(-1px); background: #fff; box-shadow: 0 0 14px rgba(0,0,0,.3); pointer-events: none; }
.compare-divider i { position: absolute; top: 50%; left: 50%; width: 34px; height: 34px; transform: translate(-50%, -50%); border: 2px solid #fff; border-radius: 50%; background: #181b21; box-shadow: 0 5px 18px rgba(0,0,0,.35); }
.compare-divider i::before, .compare-divider i::after { content: ""; position: absolute; top: 10px; width: 7px; height: 7px; border-top: 2px solid #fff; border-left: 2px solid #fff; }
.compare-divider i::before { left: 8px; transform: rotate(-45deg); }
.compare-divider i::after { right: 8px; transform: rotate(135deg); }
.compare-range { position: absolute; z-index: 5; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: ew-resize; appearance: none; -webkit-appearance: none; }
.compare-range::-webkit-slider-thumb { width: 44px; height: 420px; appearance: none; -webkit-appearance: none; }
.compare-range::-moz-range-thumb { width: 44px; height: 420px; border: 0; background: transparent; }
.edit-compare:focus-within { outline: 3px solid rgba(114,166,255,.55); outline-offset: 3px; }

.api-window { width: min(100%, 620px); overflow: hidden; border: 1px solid rgba(255,255,255,.14); border-radius: 8px; background: #171a20; color: #d7dce5; box-shadow: 0 20px 46px rgba(0,0,0,.28); }
.api-window .mock-bar { border-color: rgba(255,255,255,.08); background: #111318; }
.api-code { padding: 26px; font: 13px/1.9 ui-monospace, SFMono-Regular, Menlo, monospace; white-space: pre-wrap; }
.api-code .blue { color: #72a6ff; }
.api-code .green { color: #5ed7ad; }
.api-code .muted { color: #7f8997; }

.metrics { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--landing-line); border-bottom: 1px solid var(--landing-line); }
.metric { padding: 34px 24px; text-align: center; }
.metric + .metric { border-left: 1px solid var(--landing-line); }
.metric strong { display: block; font-size: 28px; color: var(--landing-text); }
.metric span { color: var(--landing-muted); font-size: 13px; }

.landing-cta { padding: 92px 0; background: var(--landing-ink); color: #fff; text-align: center; }
.landing-cta h2 { margin: 0; font-size: 42px; line-height: 1.25; }
.landing-cta p { margin: 14px 0 28px; color: #9ca5b3; font-size: 16px; }
.landing-cta .landing-button { min-height: 46px; padding: 0 22px; }
.landing-footer { padding: 28px 0; border-top: 1px solid #272a31; background: var(--landing-ink); color: #7d8694; font-size: 12px; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.footer-links { display: flex; gap: 18px; }
.footer-links a { color: #969eaa; text-decoration: none; }

.has-motion .reveal-item { opacity: 0; transform: translateY(24px); transition: opacity .65s ease, transform .65s cubic-bezier(.2,.75,.25,1); }
.has-motion .reveal-item.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 900px) {
  .landing-links, .landing-actions { display: none; }
  .landing-menu { display: grid; }
  .landing-nav.menu-open { align-items: flex-start; flex-wrap: wrap; }
  .landing-nav.menu-open .landing-links, .landing-nav.menu-open .landing-actions { width: 100%; display: flex; }
  .landing-nav.menu-open .landing-links { order: 4; flex-direction: column; align-items: stretch; gap: 0; padding-top: 8px; }
  .landing-nav.menu-open .landing-links a { padding: 12px; border-top: 1px solid rgba(255,255,255,.08); }
  .landing-nav.menu-open .landing-actions { order: 5; padding: 4px 0 2px; }
  .landing-nav.menu-open .landing-actions .landing-button { flex: 1; }
  .landing-hero h1 { font-size: 38px; }
  .creative-stage { grid-template-columns: minmax(0, 1fr) 184px; height: 254px; }
  .stage-progress { width: calc(100% - 184px); }
  .stage-choice { grid-template-columns: 42px minmax(0, 1fr); gap: 7px; }
  .stage-choice img { width: 42px; height: 32px; }
  .feature-band, .feature-band.reverse { grid-template-columns: 1fr; }
  .feature-band.reverse .feature-copy { order: 0; }
  .feature-copy { padding: 42px; }
  .feature-visual { min-height: 380px; }
}

@media (max-width: 700px) and (min-width: 641px) {
  .landing-hero h1 { font-size: 34px; }
}

@media (max-width: 640px) {
  .landing-shell { width: min(100% - 28px, 1160px); }
  .landing-header { top: 10px; }
  .landing-nav { min-height: 52px; }
  .landing-brand { font-size: 13px; }
  .brand-mark { width: 32px; height: 32px; }
  .landing-hero { min-height: 0; padding: 96px 0 30px; }
  .landing-hero .landing-shell { width: calc(100% - 20px); }
  .hero-kicker { margin-bottom: 10px; font-size: 12px; }
  .landing-hero h1 { font-size: 22px; }
  .hero-lead { max-width: 360px; margin: 12px auto 18px; font-size: 15px; line-height: 1.65; }
  .composer-tabs { overflow-x: auto; }
  .prompt-composer textarea { min-height: 88px; padding: 13px 14px 6px; font-size: 16px; }
  .composer-meta span:nth-child(2) { display: none; }
  .composer-submit { padding: 0 12px; }
  .prompt-suggestions { justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 3px; }
  .prompt-suggestions button { flex: 0 0 auto; }
  .creative-stage { height: auto; grid-template-columns: 1fr; grid-template-rows: 228px 62px; margin-top: 20px; }
  .stage-frame { grid-template-rows: 36px minmax(0, 1fr); border-right: 0; border-bottom: 1px solid rgba(255,255,255,.1); transform: none; }
  .stage-caption { left: 14px; right: 14px; bottom: 12px; }
  .stage-caption strong { max-width: 72%; font-size: 14px; }
  .stage-choices { grid-template-rows: 1fr; grid-auto-flow: column; grid-auto-columns: 126px; gap: 5px; overflow-x: auto; padding: 7px; }
  .stage-choice { grid-template-columns: 38px minmax(0, 1fr); gap: 7px; padding: 4px; }
  .stage-choice img { width: 38px; height: 36px; }
  .stage-choice span { font-size: 10px; }
  .stage-progress { width: 100%; }
  .landing-section { padding: 72px 0; }
  .section-head { margin-bottom: 32px; text-align: left; }
  .section-head h2, .feature-copy h2 { font-size: 30px; }
  .section-head p, .feature-copy p { font-size: 15px; }
  .showcase-grid { grid-template-columns: 1fr 1fr; grid-template-rows: 250px 160px 160px; }
  .showcase-grid figure:first-child { grid-column: 1 / 3; grid-row: auto; }
  .showcase-grid figure:nth-child(4) { grid-column: auto; }
  .showcase-grid figure:nth-child(5) { display: none; }
  .feature-copy { padding: 32px 24px; }
  .feature-visual { min-height: 310px; padding: 18px; }
  .mock-body { grid-template-columns: 86px 1fr; }
  .mock-content img { height: 90px; }
  .metrics { grid-template-columns: 1fr 1fr; }
  .metric:nth-child(3) { border-left: 0; border-top: 1px solid var(--landing-line); }
  .metric:nth-child(4) { border-top: 1px solid var(--landing-line); }
  .landing-cta { padding: 70px 0; text-align: left; }
  .landing-cta h2 { font-size: 32px; }
  .footer-inner { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 380px) {
  .landing-hero h1 { font-size: 20px; }
  .composer-tab { padding: 0 9px; font-size: 12px; }
}

@media (max-width: 340px) {
  .landing-hero h1 { font-size: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .stage-frame { transform: none !important; }
}