@font-face {
  font-display: swap;
  font-family: "Inter";
  font-style: normal;
  font-weight: 400;
  src: url("./fonts/inter-v20-latin-regular.woff2") format("woff2");
}
@font-face {
  font-display: swap;
  font-family: "Inter";
  font-style: normal;
  font-weight: 600;
  src: url("./fonts/inter-v20-latin-600.woff2") format("woff2");
}
@font-face {
  font-display: swap;
  font-family: "Inter";
  font-style: normal;
  font-weight: 700;
  src: url("./fonts/inter-v20-latin-700.woff2") format("woff2");
}

:root {
  --ink: #171a35;
  --muted: #676b80;
  --paper: #f8f8fc;
  --white: #ffffff;
  --line: #e5e5ef;
  --purple: #7457e8;
  --purple-dark: #573ac8;
  --purple-soft: #f1edff;
  --mint: #2fae86;
  --mint-soft: #e8fbf5;
  --header-height: 74px;
  --content-width: 1160px;
  --shadow: 0 18px 55px rgba(34, 26, 78, 0.1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  min-width: 300px;
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Inter", ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
button, input, select { font: inherit; }
button, select { color: inherit; }
a { color: inherit; }
[hidden] { display: none !important; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  transform: translateY(-160%);
  border-radius: 8px;
  background: var(--white);
  color: var(--ink);
  font-weight: 700;
  padding: 10px 14px;
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  width: 100%;
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px max(20px, calc((100vw - var(--content-width)) / 2));
  border-bottom: 1px solid rgba(229, 229, 239, 0.92);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  text-decoration: none;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.035em;
}
.brand-mark { width: 31px; height: 31px; color: var(--purple); }
.brand-mark svg { display: block; width: 100%; height: 100%; }
.brand-dot { color: var(--purple); }
.header-actions { display: flex; align-items: center; justify-content: flex-end; gap: 10px; min-width: 0; }
.language-control {
  position: relative;
  display: flex;
  align-items: center;
  min-width: 0;
}
.language-control svg {
  position: absolute;
  left: 10px;
  width: 17px;
  height: 17px;
  pointer-events: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
}
.language-control select {
  min-height: 40px;
  width: 170px;
  max-width: none;
  padding: 0 32px 0 34px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--white);
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 600;
}
.back-link {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 13px;
  border-radius: 10px;
  background: var(--ink);
  color: var(--white);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 700;
}
.back-link:hover { background: #252944; }

.hero {
  position: relative;
  min-height: 390px;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr);
  align-items: center;
  gap: clamp(40px, 6vw, 78px);
  overflow: hidden;
  padding: 54px max(24px, calc((100vw - var(--content-width)) / 2)) 60px;
  background:
    radial-gradient(circle at 84% 30%, rgba(116, 87, 232, 0.18), transparent 30%),
    linear-gradient(145deg, #11152b 0%, #171a36 62%, #21184a 100%);
  color: var(--white);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.12;
  background-image: linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(90deg, transparent 5%, black 70%);
}
.hero-copy, .hero-flow { position: relative; z-index: 1; }
.eyebrow, .step-kicker {
  margin: 0 0 14px;
  color: #aa99ff;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}
.hero h1 {
  max-width: 660px;
  margin: 0;
  font-size: clamp(2.6rem, 5vw, 4.15rem);
  line-height: 1.04;
  letter-spacing: -0.05em;
}
.hero-text {
  max-width: 650px;
  margin: 22px 0;
  color: #d0d2df;
  font-size: 1.05rem;
  line-height: 1.7;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration-color: #8e78ef;
  text-underline-offset: 5px;
}
.hero-flow { display: flex; flex-direction: column; align-items: center; width: 100%; }
.mini-card {
  width: min(100%, 390px);
  min-height: 74px;
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 15px 18px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.16);
  backdrop-filter: blur(8px);
}
.mini-icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 11px;
  background: rgba(169, 150, 255, 0.16);
  color: #b4a3ff;
  font-size: 1.05rem;
  font-weight: 700;
}
.output-card .mini-icon { color: #66dbb5; background: rgba(51, 185, 144, 0.14); }
.mini-card > span:last-child { display: grid; gap: 4px; min-width: 0; }
.mini-card small { color: #b6b8c8; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; }
.mini-card strong { font-size: 0.95rem; line-height: 1.35; }
.flow-line { width: 2px; height: 26px; overflow: hidden; background: rgba(255, 255, 255, 0.14); }
.flow-line span { display: block; width: 100%; height: 50%; background: #917bef; animation: travel 1.8s ease-in-out infinite; }
@keyframes travel { from { transform: translateY(-100%); } to { transform: translateY(200%); } }

.demo-section {
  width: min(var(--content-width), calc(100% - 40px));
  margin: 0 auto;
  padding: 66px 0 72px;
  scroll-margin-top: calc(var(--header-height) + 16px);
}
.demo-type-switch {
  width: min(720px, 100%);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 0 auto 40px;
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #efeff6;
}
.demo-type {
  min-width: 0;
  min-height: 68px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 15px;
  border: 1px solid transparent;
  border-radius: 11px;
  background: transparent;
  color: var(--muted);
  text-align: left;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
}
.demo-type.active { border-color: #dcd8ee; background: var(--white); color: var(--ink); box-shadow: 0 5px 16px rgba(34, 26, 78, 0.08); }
.demo-type-icon { width: 36px; height: 36px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 9px; background: #ddd9ed; color: #706c82; font-weight: 700; }
.demo-type.active .demo-type-icon { background: var(--purple-soft); color: var(--purple); }
.demo-type > span:last-child { display: grid; gap: 4px; min-width: 0; }
.demo-type strong { font-size: 0.9rem; line-height: 1.25; }
.demo-type small { font-size: 0.75rem; line-height: 1.35; }
.section-heading { max-width: 760px; margin: 0 auto 32px; text-align: center; }
.step-kicker { display: block; color: var(--purple); margin-bottom: 11px; }
.section-heading h2 { margin: 0; font-size: clamp(2rem, 4vw, 2.7rem); line-height: 1.12; letter-spacing: -0.04em; }
.section-heading p { margin: 13px 0 0; color: var(--muted); font-size: 1rem; line-height: 1.6; }

.use-case-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 16px; }
.use-case {
  min-width: 0;
  min-height: 88px;
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--white);
  text-align: left;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.use-case:hover { border-color: #beb3ef; transform: translateY(-2px); }
.use-case.active { border-color: var(--purple); box-shadow: 0 0 0 3px rgba(116, 87, 232, 0.1); }
.case-icon { width: 43px; height: 43px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 11px; font-weight: 700; }
.case-icon.linkedin { color: #fff; background: #0a66c2; }
.case-icon.product { color: #7055d9; background: #eee9ff; }
.case-icon.email { color: #cf5b56; background: #ffebe9; }
.use-case > span:last-child { display: grid; gap: 5px; min-width: 0; }
.use-case strong { font-size: 0.95rem; line-height: 1.25; }
.use-case small { color: var(--muted); font-size: 0.8rem; line-height: 1.35; }
.solution-case-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 16px; }
.solution-case {
  min-width: 0;
  min-height: 88px;
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--white);
  text-align: left;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.solution-case:hover { border-color: #beb3ef; transform: translateY(-2px); }
.solution-case.active { border-color: var(--purple); box-shadow: 0 0 0 3px rgba(116, 87, 232, 0.1); }
.solution-case > span:last-child { display: grid; gap: 5px; min-width: 0; }
.solution-case strong { font-size: 0.95rem; line-height: 1.25; }
.solution-case small { color: var(--muted); font-size: 0.8rem; line-height: 1.35; }

.workspace { display: grid; grid-template-columns: minmax(340px, 0.78fr) minmax(440px, 1.22fr); overflow: hidden; border: 1px solid var(--line); border-radius: 19px; background: var(--white); box-shadow: var(--shadow); }
.solution-workspace { display: grid; grid-template-columns: minmax(310px, 0.72fr) minmax(470px, 1.28fr); overflow: hidden; border: 1px solid var(--line); border-radius: 19px; background: var(--white); box-shadow: var(--shadow); }
.input-panel, .workflow-panel { min-width: 0; padding: 30px; }
.solution-setup, .solution-stage { min-width: 0; padding: 30px; }
.solution-setup { border-right: 1px solid var(--line); }
.solution-stage { min-height: 600px; background: #fafaff; scroll-margin-top: calc(var(--header-height) + 16px); }
.input-panel { border-right: 1px solid var(--line); }
.workflow-panel { min-height: 560px; background: #fafaff; scroll-margin-top: calc(var(--header-height) + 16px); }
.panel-heading { display: flex; align-items: center; gap: 12px; margin-bottom: 27px; }
.number-badge { width: 34px; height: 34px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 50%; background: var(--purple-soft); color: var(--purple); font-size: 0.85rem; font-weight: 700; }
.panel-heading h3 { margin: 0 0 4px; font-size: 1.15rem; }
.panel-heading p { margin: 0; color: var(--muted); font-size: 0.8rem; line-height: 1.4; }
.field-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 0 0 9px; }
.field-heading > span, fieldset legend { color: #3a3d51; font-size: 0.9rem; font-weight: 700; }
.field-heading small { color: #8b8d9b; font-size: 0.75rem; font-weight: 600; }
.topic-options { display: grid; gap: 8px; margin-bottom: 15px; }
.topic-option {
  width: 100%;
  min-height: 68px;
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  align-items: center;
  gap: 11px;
  padding: 10px 12px;
  border: 1px solid #dedee8;
  border-radius: 10px;
  background: var(--white);
  text-align: left;
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}
.topic-option:hover { border-color: #bcb1ef; transform: translateX(2px); }
.topic-option.active { border-color: var(--purple); background: #faf8ff; box-shadow: 0 0 0 2px rgba(116, 87, 232, 0.08); }
.topic-check { width: 29px; height: 29px; display: grid; place-items: center; border: 1px solid #dcdce8; border-radius: 8px; color: #8f909d; font-size: 0.75rem; font-weight: 700; }
.topic-option.active .topic-check { border-color: var(--purple); background: var(--purple); color: var(--white); }
.topic-option > span:last-child { display: grid; gap: 4px; min-width: 0; }
.topic-option strong { font-size: 0.86rem; line-height: 1.35; overflow-wrap: anywhere; }
.topic-option small { color: var(--muted); font-size: 0.75rem; line-height: 1.4; overflow-wrap: anywhere; }
.audience-context { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 0 0 21px; padding: 11px 12px; border-radius: 9px; background: #f2f1f7; }
.audience-context span { color: #777988; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; }
.audience-context strong { color: #4f5267; font-size: 0.8rem; line-height: 1.35; text-align: right; }
fieldset { margin: 0 0 24px; padding: 0; border: 0; }
fieldset legend { margin-bottom: 9px; }
.tone-options { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 7px; }
.tone-options input { position: absolute; opacity: 0; pointer-events: none; }
.tone-options span { min-height: 42px; display: grid; place-items: center; padding: 8px 5px; border: 1px solid #dcdce8; border-radius: 9px; background: var(--white); color: #626474; font-size: 0.8rem; font-weight: 700; cursor: pointer; text-align: center; }
.tone-options input:checked + span { border-color: var(--purple); background: var(--purple-soft); color: var(--purple-dark); }
.tone-options input:focus-visible + span { outline: 3px solid rgba(116, 87, 232, 0.25); outline-offset: 2px; }
.primary-button {
  width: 100%;
  min-height: 51px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  border: 0;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--purple), #6443dc);
  color: var(--white);
  box-shadow: 0 9px 22px rgba(100, 67, 220, 0.24);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.primary-button:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(100, 67, 220, 0.31); }
.primary-button:disabled { opacity: 0.72; cursor: wait; transform: none; }
.button-icon { font-size: 1.15rem; }
.privacy-note { margin: 13px 0 0; color: #7f818f; font-size: 0.75rem; line-height: 1.45; text-align: center; }
.solution-summary { display: grid; gap: 10px; margin: 0 0 24px; }
.solution-summary-item { display: grid; grid-template-columns: 30px minmax(0, 1fr); align-items: start; gap: 10px; padding: 13px; border: 1px solid #e3e1ed; border-radius: 10px; background: #fbfbfd; }
.solution-summary-item > span { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 8px; background: var(--purple-soft); color: var(--purple); font-size: 0.75rem; font-weight: 700; }
.solution-summary-item strong { display: block; margin-bottom: 3px; font-size: 0.82rem; line-height: 1.35; }
.solution-summary-item small { color: var(--muted); font-size: 0.74rem; line-height: 1.4; }

.workflow-empty { min-height: 390px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; color: var(--muted); }
.solution-empty { min-height: 420px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; color: var(--muted); }
.play-orbit { width: 96px; height: 96px; display: grid; place-items: center; margin-bottom: 22px; border: 1px dashed #c9c1ea; border-radius: 50%; background: radial-gradient(circle, var(--white) 45%, var(--purple-soft) 46%); }
.play-orbit span { width: 48px; height: 48px; display: grid; place-items: center; padding-left: 3px; border-radius: 50%; background: var(--purple); color: var(--white); box-shadow: 0 8px 20px rgba(116, 87, 232, 0.25); }
.workflow-empty strong { color: var(--ink); font-size: 1.05rem; }
.workflow-empty p { max-width: 360px; margin: 8px 0 0; font-size: 0.9rem; line-height: 1.55; }
.solution-empty strong { color: var(--ink); font-size: 1.05rem; }
.solution-empty p { max-width: 400px; margin: 8px 0 0; font-size: 0.9rem; line-height: 1.55; }
.solution-progress { display: grid; gap: 15px; }
.chat-demo-label { display: flex; align-items: center; gap: 9px; color: #69667a; font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; }
.question-stream { display: grid; gap: 11px; }
.chat-note { width: fit-content; max-width: 90%; padding: 9px 12px; border-radius: 10px; background: var(--mint-soft); color: #286a57; font-size: 0.76rem; font-weight: 700; line-height: 1.45; animation: rise 0.32s ease both; }
.question-turn { display: grid; gap: 7px; animation: rise 0.32s ease both; }
.question-turn .question { width: fit-content; max-width: 86%; margin: 0; padding: 10px 13px; border-radius: 11px 11px 11px 3px; background: #ece9fb; color: #39354f; font-size: 0.8rem; line-height: 1.45; }
.question-turn .answer { width: fit-content; max-width: 86%; min-width: 110px; min-height: 39px; margin: 0 0 0 auto; padding: 10px 13px; border: 1px solid #dddbe7; border-radius: 11px 11px 3px 11px; background: var(--white); color: var(--ink); font-size: 0.8rem; line-height: 1.45; }
.typing-caret::after { content: ""; display: inline-block; width: 2px; height: 1em; margin-left: 2px; vertical-align: -2px; background: var(--purple); animation: blink 0.7s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.prompt-preview { padding: 15px; border: 1px solid #d9d3f4; border-radius: 12px; background: #f5f2ff; animation: rise 0.35s ease both; }
.prompt-preview.sent { border-color: #a9dccb; background: #f2fbf8; }
.prompt-preview-head { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 8px; }
.prompt-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--purple); box-shadow: 0 0 0 5px rgba(116, 87, 232, 0.1); }
.prompt-preview-head strong { font-size: 0.82rem; }
.prompt-preview-head small { color: var(--purple); font-size: 0.7rem; font-weight: 700; }
.prompt-preview > p { margin: 10px 0 8px; color: var(--muted); font-size: 0.75rem; line-height: 1.45; }
.prompt-preview pre { max-height: 155px; overflow: auto; margin: 0; padding: 12px; border-radius: 8px; background: #1b1d35; color: #e8e6f4; white-space: pre-wrap; font: 0.75rem/1.55 "Inter", sans-serif; }
.prompt-send-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 10px; color: var(--muted); font-size: 0.72rem; line-height: 1.4; }
.enter-key { min-height: 31px; display: inline-flex; align-items: center; gap: 5px; flex: 0 0 auto; padding: 5px 9px; border: 1px solid #cbc5e9; border-radius: 7px; background: var(--white); color: var(--purple-dark); font-weight: 700; transition: transform 0.18s ease, background 0.18s ease, color 0.18s ease; }
.enter-key.pressed { transform: scale(0.94); background: var(--purple); color: var(--white); }
.workflow-steps { list-style: none; margin: 0; padding: 2px 0; }
.workflow-steps li { position: relative; min-height: 81px; display: grid; grid-template-columns: 38px minmax(0, 1fr) auto; align-items: center; gap: 12px; padding: 11px 12px; border: 1px solid transparent; border-radius: 12px; transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease; }
.workflow-steps li:not(:last-child)::after { content: ""; position: absolute; left: 30px; top: 60px; width: 1px; height: 38px; background: #dcdce8; }
.step-status { width: 35px; height: 35px; display: grid; place-items: center; z-index: 1; border: 1px solid #d8d8e4; border-radius: 50%; background: var(--white); color: #838593; font-size: 0.8rem; font-weight: 700; }
.workflow-steps strong { display: block; margin-bottom: 4px; font-size: 0.9rem; }
.workflow-steps p { margin: 0; color: var(--muted); font-size: 0.78rem; line-height: 1.45; }
.status-label { color: #898b98; font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; }
.workflow-steps li.active { border-color: #d8d0fb; background: var(--white); box-shadow: 0 8px 20px rgba(55, 40, 115, 0.07); }
.workflow-steps li.active .step-status { border-color: var(--purple); color: var(--purple); animation: pulse 1.1s infinite; }
.workflow-steps li.active .status-label { color: var(--purple); }
.workflow-steps li.done .step-status { border-color: var(--mint); background: var(--mint); color: var(--white); }
.workflow-steps li.done .status-label { color: var(--mint); }
.workflow-steps li.done:not(:last-child)::after { background: var(--mint); }
@keyframes pulse { 50% { box-shadow: 0 0 0 6px rgba(116, 87, 232, 0.1); } }

.result-card { position: relative; padding: 21px; border: 1px solid #dbd5f5; border-radius: 14px; background: var(--white); box-shadow: 0 12px 35px rgba(41, 31, 86, 0.08); animation: rise 0.4s ease both; }
.result-card.result-reveal { animation: resultReveal 0.72s cubic-bezier(0.2, 0.8, 0.2, 1) both; }
.result-card.result-reveal::after { content: ""; position: absolute; inset: -5px; z-index: -1; border: 2px solid rgba(116, 87, 232, 0.4); border-radius: 18px; animation: resultRing 1.05s ease-out both; pointer-events: none; }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } }
@keyframes resultReveal { 0% { opacity: 0; transform: translateY(12px) scale(0.985); } 62% { transform: translateY(0) scale(1.008); } 100% { opacity: 1; transform: none; } }
@keyframes resultRing { 0% { opacity: 0; transform: scale(0.985); } 28% { opacity: 1; } 100% { opacity: 0; transform: scale(1.035); } }
.result-topline { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 15px; }
.success-label { color: #178564; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; }
.time-label { color: #858794; font-size: 0.75rem; }
.result-card h3 { margin: 0 0 12px; font-size: 1.1rem; }
.result-content { max-height: 290px; overflow: auto; padding: 16px; border: 1px solid #ecebf3; border-radius: 10px; background: #fbfbfd; color: #343746; white-space: pre-wrap; font-size: 0.9rem; line-height: 1.68; }
.result-actions { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 14px; }
.result-actions button { min-height: 42px; padding: 0 17px; border-radius: 8px; cursor: pointer; font-size: 0.8rem; font-weight: 700; }
.copy-button { border: 0; background: var(--ink); color: var(--white); }
.again-button { border: 1px solid #dcdce8; background: var(--white); color: var(--muted); }
.discover-button { min-height: 48px; display: flex; align-items: center; justify-content: center; gap: 10px; margin-top: 16px; padding: 10px 16px; border: 1px solid #d7cff8; border-radius: 10px; background: var(--purple-soft); color: var(--purple-dark); text-align: center; text-decoration: none; font-size: 0.88rem; font-weight: 700; }
.discover-button:hover { border-color: var(--purple); background: #e9e2ff; }
.solution-result .result-content { max-height: 245px; }
.solution-explain .explain-icon { background: #5540c0; }

.explain-strip { display: flex; align-items: flex-start; gap: 17px; margin-top: 20px; padding: 22px 25px; border: 1px solid #ded8f6; border-radius: 14px; background: linear-gradient(110deg, #f5f2ff, #faf9ff); }
.explain-icon { width: 39px; height: 39px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 10px; background: var(--purple); color: var(--white); font-size: 1.1rem; }
.explain-strip strong { display: block; margin: 1px 0 5px; font-size: 0.95rem; }
.explain-strip p { margin: 0; color: var(--muted); font-size: 0.85rem; line-height: 1.6; }
.setup-notice { margin-top: 16px; padding: 14px 16px; border-left: 3px solid var(--purple); border-radius: 0 9px 9px 0; background: rgba(255, 255, 255, 0.78); }
.setup-notice strong { margin-top: 0; color: var(--ink); font-size: 0.88rem; }
.setup-notice p { font-size: 0.82rem; }

.site-footer { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 20px max(20px, calc((100vw - var(--content-width)) / 2)); border-top: 1px solid var(--line); background: var(--white); color: var(--muted); font-size: 0.8rem; }
.site-footer nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 18px; }
.site-footer a { text-underline-offset: 3px; }
.toast { position: fixed; left: 50%; bottom: 24px; z-index: 30; transform: translate(-50%, 25px); max-width: calc(100% - 32px); padding: 11px 17px; border-radius: 8px; background: #15172b; color: var(--white); box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2); opacity: 0; pointer-events: none; font-size: 0.8rem; text-align: center; transition: opacity 0.25s ease, transform 0.25s ease; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

:focus-visible { outline: 3px solid rgba(116, 87, 232, 0.45); outline-offset: 3px; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 38px; padding-top: 50px; text-align: center; }
  .hero-text { margin-left: auto; margin-right: auto; }
  .hero-flow { width: min(520px, 100%); margin: 0 auto; }
  .workspace { grid-template-columns: 1fr; }
  .solution-workspace { grid-template-columns: 1fr; }
  .input-panel { border-right: 0; border-bottom: 1px solid var(--line); }
  .solution-setup { border-right: 0; border-bottom: 1px solid var(--line); }
  .workflow-panel { min-height: 510px; }
  .solution-stage { min-height: 540px; }
}

@media (max-width: 700px) {
  :root { --header-height: 66px; }
  .site-header { gap: 10px; padding: 10px 14px; }
  .brand { gap: 8px; font-size: 1rem; }
  .brand-mark { width: 27px; height: 27px; }
  .header-actions { gap: 7px; }
  .language-control select { width: 96px; padding-right: 22px; padding-left: 29px; font-size: 0.75rem; }
  .language-control select option { font-size: 0.875rem; }
  .back-link { justify-content: center; padding: 0 12px; }
  .hero { min-height: 0; padding: 45px 20px 50px; }
  .hero h1 { font-size: clamp(2.35rem, 12vw, 3.25rem); }
  .hero-text { font-size: 1rem; }
  .demo-section { width: min(100% - 28px, var(--content-width)); padding: 52px 0 60px; }
  .demo-type-switch { grid-template-columns: 1fr; margin-bottom: 34px; }
  .use-case-tabs { grid-template-columns: 1fr; }
  .solution-case-tabs { grid-template-columns: 1fr; }
  .use-case { min-height: 74px; }
  .solution-case { min-height: 74px; }
  .input-panel, .workflow-panel { padding: 23px 18px; }
  .solution-setup, .solution-stage { padding: 23px 18px; }
  .workflow-panel { min-height: 500px; }
  .workflow-steps li { grid-template-columns: 35px minmax(0, 1fr); }
  .status-label { grid-column: 2; margin-top: -7px; }
  .workflow-steps li:not(:last-child)::after { left: 29px; }
  .result-content { max-height: 340px; }
  .prompt-preview-head { grid-template-columns: auto minmax(0, 1fr); }
  .prompt-preview-head small { grid-column: 2; }
  .explain-strip { padding: 19px; }
  .site-footer { align-items: flex-start; flex-direction: column; }
  .site-footer nav { justify-content: flex-start; }
}

@media (max-width: 480px) {
  :root { --header-height: 112px; }
  .site-header {
    grid-template-columns: 1fr;
    display: grid;
    gap: 8px;
    padding-top: 9px;
    padding-bottom: 9px;
  }
  .brand { justify-self: center; }
  .header-actions {
    display: grid;
    grid-template-columns: 108px minmax(0, 1fr);
    width: 100%;
  }
  .language-control, .language-control select, .back-link { width: 100%; }
  .back-link { min-width: 0; font-size: 0.75rem; white-space: nowrap; }
}

@media (max-width: 380px) {
  .brand { font-size: 0.92rem; }
  .brand-mark { width: 25px; height: 25px; }
  .hero { padding-left: 16px; padding-right: 16px; }
  .mini-card { padding: 13px 14px; }
  .mini-card strong { font-size: 0.88rem; }
  .tone-options { grid-template-columns: 1fr; }
  .audience-context { align-items: flex-start; flex-direction: column; }
  .audience-context strong { text-align: left; }
  .result-actions { display: grid; grid-template-columns: 1fr; }
  .explain-strip { flex-direction: column; gap: 12px; }
  .setup-notice { padding: 13px 14px; }
}

@media (max-width: 360px) {
  :root { --header-height: 140px; }
  .header-actions { grid-template-columns: 1fr; }
  .language-control select { font-size: 0.875rem; }
  .back-link { font-size: 0.8rem; }
}

@media (max-width: 330px) {
  .brand-dot { display: none; }
  .site-header { padding-left: 10px; padding-right: 10px; }
  .brand { gap: 6px; font-size: 0.86rem; }
  .brand-mark { width: 23px; height: 23px; }
  .language-control select { width: 100%; padding-right: 28px; padding-left: 30px; font-size: 0.875rem; }
  .language-control svg { left: 8px; width: 15px; height: 15px; }
  .demo-section { width: calc(100% - 20px); }
  .input-panel, .workflow-panel, .solution-setup, .solution-stage { padding-left: 14px; padding-right: 14px; }
  .result-card { padding: 16px; }
  .prompt-preview { padding: 12px; }
  .prompt-send-row { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}