:root {
  --bg: #07090d;
  --bg-soft: #0f1319;
  --bg-elevated: rgba(18, 23, 31, 0.88);
  --bg-panel: rgba(20, 26, 34, 0.72);
  --line: rgba(244, 234, 218, 0.12);
  --line-strong: rgba(244, 234, 218, 0.24);
  --text: #f4ead9;
  --muted: #b3ab9f;
  --muted-strong: #d7cfc2;
  --accent: #d9ab72;
  --accent-strong: #f2c388;
  --accent-soft: rgba(217, 171, 114, 0.16);
  --danger: #ff9b7a;
  --success: #8cd4a8;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.38);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Noto Sans JP", "Segoe UI Variable Text", "Segoe UI", sans-serif;
  --font-display: "Source Han Serif SC", "Songti SC", "STZhongsong", "Hiragino Mincho ProN", "Yu Mincho", "Noto Serif JP", serif;
  font-family: var(--font-body);
  font-synthesis: none;
  color: var(--text);
  background: var(--bg);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(217, 171, 114, 0.12), transparent 26%),
    radial-gradient(circle at 85% 16%, rgba(107, 136, 194, 0.14), transparent 20%),
    linear-gradient(180deg, #05070b 0%, #0a0d12 100%);
  color: var(--text);
  font-size: 16px;
  line-height: 1.75;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.7), transparent 78%);
  opacity: 0.28;
}

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

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

.wrap {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(6, 8, 12, 0.68);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
}

.header-shell {
  min-height: 76px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.brand img {
  border-radius: 14px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.25);
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
}

.site-header nav a,
.text-link,
footer a {
  color: var(--muted-strong);
  transition: color 0.2s ease, opacity 0.2s ease;
}

.site-header nav a:hover,
.text-link:hover,
footer a:hover {
  color: var(--accent-strong);
}

.language select {
  min-width: 126px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  padding: 0 16px;
  color: var(--text);
  font: inherit;
  font-size: 13px;
}

.hero {
  position: relative;
  overflow: clip;
  min-height: 100svh;
  padding: 44px 0 64px;
}

.hero-backdrop,
.hero-overlay,
.hero-noise {
  position: absolute;
  inset: 0;
}

.hero-backdrop {
  background-size: cover;
  background-position: center top;
  filter: blur(10px) saturate(1.04);
  transform: scale(1.08);
  opacity: 0.38;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(6, 8, 11, 0.92) 0%, rgba(6, 8, 11, 0.76) 48%, rgba(6, 8, 11, 0.9) 100%),
    linear-gradient(180deg, rgba(6, 8, 11, 0.22), rgba(6, 8, 11, 0.86));
}

.hero-noise {
  background: radial-gradient(circle at center, rgba(255, 255, 255, 0.03), transparent 62%);
  mix-blend-mode: screen;
  opacity: 0.7;
}

.hero-grid,
.proof,
.section,
footer,
.site-header {
  position: relative;
}

.hero-grid {
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.98fr) minmax(0, 1.02fr);
  gap: 46px;
  align-items: center;
  min-height: calc(100svh - 136px);
}

.hero-copy {
  max-width: 610px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.about h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.04em;
}

.hero h1 {
  font-size: clamp(3.3rem, 6vw, 5.7rem);
  line-height: 1.06;
  text-wrap: balance;
}

.hero h1 span {
  display: block;
}

.hero-body {
  margin: 24px 0 0;
  max-width: 650px;
  color: var(--muted-strong);
  font-size: 1.16rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 999px;
  padding: 0 24px;
  font: inherit;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

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

.button:disabled {
  opacity: 0.58;
  cursor: wait;
  transform: none;
}

.button.primary {
  color: #1d1208;
  background: linear-gradient(135deg, var(--accent-strong), var(--accent));
  box-shadow: 0 16px 36px rgba(217, 171, 114, 0.28);
}

.button.primary:hover {
  box-shadow: 0 20px 42px rgba(217, 171, 114, 0.34);
}

.button.secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
}

.disclaimer {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.hero-metrics,
.proof {
  list-style: none;
  padding: 0;
  margin: 0;
}

.hero-metrics {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-metrics li,
.proof li {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(14px);
}

.hero-metrics li {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--muted-strong);
  font-size: 14px;
}

.hero-stage {
  position: relative;
  min-height: 740px;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(10px);
  opacity: 0.55;
}

.orb-a {
  width: 280px;
  height: 280px;
  top: 8%;
  left: 2%;
  background: rgba(217, 171, 114, 0.22);
}

.orb-b {
  width: 180px;
  height: 180px;
  right: 4%;
  top: 18%;
  background: rgba(149, 174, 235, 0.18);
}

.orb-c {
  width: 220px;
  height: 220px;
  left: 18%;
  bottom: 10%;
  background: rgba(255, 255, 255, 0.08);
}

.hero-panel,
.hero-spotlight,
.proof,
.feature-card,
.showcase-card,
form,
.published,
.brand-totem,
.caution {
  box-shadow: var(--shadow);
}

.hero-panel {
  position: absolute;
  overflow: hidden;
  border-radius: 28px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(14px);
}

.hero-panel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.panel-main {
  top: 4%;
  right: 0;
  width: min(620px, 88%);
  aspect-ratio: 1.5;
}

.panel-assistants {
  left: 0;
  top: 19%;
  width: min(300px, 44%);
  aspect-ratio: 1.44;
}

.panel-settings {
  right: 4%;
  bottom: 16%;
  width: min(356px, 48%);
  aspect-ratio: 1.63;
}

.hero-spotlight {
  position: absolute;
  left: 8%;
  bottom: 4%;
  width: min(420px, 66%);
  padding: 24px 26px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(12, 16, 22, 0.82);
  backdrop-filter: blur(18px);
}

.hero-spotlight h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2vw, 2rem);
  line-height: 1.2;
}

.hero-spotlight p:last-child {
  margin: 12px 0 0;
  color: var(--muted-strong);
}

.proof {
  z-index: 1;
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: rgba(10, 13, 18, 0.6);
}

.proof li {
  min-height: 78px;
  padding: 16px 18px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted-strong);
  font-size: 15px;
}

.proof span {
  width: 28px;
  height: 28px;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.section {
  padding-block: 108px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 44px;
}

.section-heading h2,
.about h2 {
  font-size: clamp(2.35rem, 4.2vw, 3.7rem);
  line-height: 1.12;
}

.section-heading > p:not(.eyebrow),
.about-grid > div > p,
.feature-card p,
.showcase-card p,
.steps p,
.published article p,
.privacy p {
  color: var(--muted);
}

.feature-grid,
.showcase-grid,
.screen-grid,
.steps {
  display: grid;
  gap: 18px;
}

.feature-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-card,
.showcase-card {
  position: relative;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(19, 24, 32, 0.92), rgba(13, 17, 23, 0.88));
  backdrop-filter: blur(14px);
}

.feature-card::before,
.showcase-card::before,
form::before,
.published::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(242, 195, 136, 0.72), transparent);
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.feature-icon svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feature-card h3,
.showcase-card h3,
.steps h3,
.published h3 {
  margin: 18px 0 10px;
  font-size: 1.35rem;
  line-height: 1.35;
}

.showcase-section {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.015), transparent);
}

.showcase-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.showcase-index {
  display: inline-block;
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.gallery-section {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.01));
}

.screen-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.screen-card {
  margin: 0;
}

.screen-frame {
  aspect-ratio: 1.42;
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  box-shadow: var(--shadow);
}

.screen-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: relative;
  z-index: 1;
}

.screen-fallback {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  gap: 18px;
  padding: 28px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}

.screen-frame.has-image .screen-fallback {
  display: none;
}

.fallback-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
}

.fallback-dots i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
}

.fallback-dots i:first-child {
  background: var(--accent-strong);
}

.screen-card figcaption {
  padding: 12px 4px 0;
  color: var(--muted);
  font-size: 13px;
}

.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.steps li {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.03);
}

.step-number {
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.caution {
  margin: 22px 0 0;
  padding: 16px 18px;
  border: 1px solid rgba(242, 195, 136, 0.18);
  border-radius: 18px;
  background: rgba(242, 195, 136, 0.08);
  color: var(--muted-strong);
  font-size: 14px;
}

.about {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.01), transparent);
}

.about-grid {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  align-items: center;
  gap: 58px;
}

.brand-totem {
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: 32px;
  background: linear-gradient(180deg, rgba(20, 26, 34, 0.92), rgba(13, 17, 23, 0.88));
  text-align: center;
}

.brand-totem-mark {
  width: min(220px, 100%);
  aspect-ratio: 1;
  margin: 0 auto 18px;
  border-radius: 28%;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.22), transparent 34%),
    linear-gradient(135deg, rgba(242, 195, 136, 0.18), rgba(242, 195, 136, 0.05));
  border: 1px solid var(--line);
}

.brand-totem img {
  width: 70%;
  filter: drop-shadow(0 18px 28px rgba(0, 0, 0, 0.22));
}

.brand-totem p {
  margin: 0;
  font-family: var(--font-display);
  font-size: 2rem;
}

.about-grid > div > p {
  max-width: 700px;
}

.wechat-id {
  margin: 18px 0 6px;
  color: var(--text) !important;
  font-weight: 700;
}

.text-link {
  display: inline-block;
  font-weight: 700;
}

.guestbook-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.36fr) minmax(280px, 0.64fr);
  gap: 24px;
  align-items: start;
}

form,
.published {
  position: relative;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: linear-gradient(180deg, rgba(20, 26, 34, 0.92), rgba(13, 17, 23, 0.88));
  backdrop-filter: blur(16px);
}

.field-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

label {
  display: block;
  margin-bottom: 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted-strong);
}

input,
textarea {
  width: 100%;
  margin-top: 8px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  padding: 13px 15px;
  color: var(--text);
  font: inherit;
  font-size: 15px;
  outline: none;
}

input::placeholder,
textarea::placeholder {
  color: rgba(244, 234, 217, 0.42);
}

input {
  height: 48px;
}

textarea {
  min-height: 156px;
  resize: vertical;
}

input:focus,
textarea:focus,
.language select:focus {
  border-color: rgba(242, 195, 136, 0.52);
  box-shadow: 0 0 0 3px rgba(217, 171, 114, 0.14);
}

.counter {
  display: block;
  text-align: right;
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
}

.honeypot {
  position: absolute !important;
  left: -10000px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}

.form-privacy,
.privacy p,
.muted,
.published time {
  color: var(--muted);
  font-size: 13px;
}

.submit-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 18px;
}

.submit-row p {
  margin: 0;
  font-size: 14px;
}

.success {
  color: var(--success);
}

.error {
  color: var(--danger);
}

.published h3 {
  margin-top: 0;
}

.published article {
  padding: 16px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.published article > div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.published article p {
  margin: 8px 0 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-size: 14px;
}

.privacy {
  padding: 0 0 86px;
}

.privacy h2 {
  margin: 0 0 10px;
  font-size: 1.08rem;
}

footer {
  padding: 26px 0 36px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--muted);
  font-size: 13px;
}

.footer-shell,
.footer-shell > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

@media (max-width: 1120px) {
  .hero-grid {
    grid-template-columns: 1fr;
    min-height: auto;
    gap: 34px;
    padding-top: 26px;
  }

  .hero-stage {
    min-height: 620px;
  }

  .panel-main {
    position: relative;
    width: min(720px, 100%);
    top: 0;
    right: auto;
    margin-left: auto;
  }

  .panel-assistants {
    top: 14%;
  }

  .panel-settings {
    bottom: 18%;
  }

  .hero-spotlight {
    left: 4%;
    bottom: 2%;
  }
}

@media (max-width: 920px) {
  .site-header nav {
    display: none;
  }

  .language {
    margin-left: auto;
  }

  .proof,
  .feature-grid,
  .showcase-grid,
  .steps,
  .screen-grid,
  .guestbook-grid,
  .about-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 28px;
  }

  .hero-panel {
    border-radius: 22px;
  }

  .hero-stage {
    min-height: 560px;
  }

  .panel-assistants {
    left: 0;
    top: 14%;
    width: 42%;
  }

  .panel-settings {
    right: 0;
    width: 46%;
  }

  .hero-spotlight {
    width: min(100%, 420px);
    left: 0;
  }
}

@media (max-width: 680px) {
  body {
    font-size: 15px;
  }

  .wrap {
    width: min(1180px, calc(100% - 28px));
  }

  .header-shell {
    min-height: 68px;
    gap: 12px;
  }

  .brand {
    font-size: 19px;
  }

  .brand img {
    width: 38px;
    height: 38px;
  }

  .hero h1 {
    font-size: clamp(2.5rem, 12vw, 3.4rem);
    overflow-wrap: anywhere;
  }

  .hero-body {
    font-size: 1rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .hero-stage {
    min-height: 450px;
  }

  .panel-main {
    width: 100%;
  }

  .panel-assistants {
    top: 14%;
    width: 46%;
  }

  .panel-settings {
    bottom: 28%;
    width: 52%;
  }

  .hero-spotlight {
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 20px;
  }

  .section {
    padding-block: 82px;
  }

  .feature-card,
  .showcase-card,
  .steps li,
  form,
  .published,
  .brand-totem {
    padding: 22px;
  }

  .field-row {
    grid-template-columns: 1fr;
  }

  .submit-row,
  .footer-shell,
  .footer-shell > div {
    align-items: stretch;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .hero-stage {
    min-height: 390px;
  }

  .hero-metrics {
    display: grid;
    grid-template-columns: 1fr;
  }

  .panel-assistants {
    top: 17%;
    width: 48%;
  }

  .panel-settings {
    width: 54%;
    bottom: 32%;
  }

  .proof li {
    min-height: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .button,
  .site-header nav a,
  .text-link,
  footer a {
    transition: none;
  }
}

/* Chats 2026: editorial grid language inspired by useai.live/hermes. */
:root {
  --bg: #160b29;
  --bg-soft: #21123a;
  --bg-elevated: rgba(24, 12, 43, 0.94);
  --bg-panel: rgba(31, 17, 54, 0.88);
  --line: rgba(255, 239, 218, 0.2);
  --line-strong: rgba(255, 239, 218, 0.42);
  --text: #fff0dc;
  --muted: rgba(255, 240, 220, 0.64);
  --muted-strong: rgba(255, 240, 220, 0.82);
  --accent: #bda4ef;
  --accent-strong: #e1d1ff;
  --accent-soft: rgba(189, 164, 239, 0.15);
  --success: #8de0b1;
  --shadow: 0 32px 90px rgba(5, 1, 12, 0.32);
  --radius-xl: 4px;
  --radius-lg: 3px;
  --radius-md: 3px;
  --font-display: Arial, "PingFang SC", "Microsoft YaHei UI", "Noto Sans JP", sans-serif;
}

body {
  background:
    radial-gradient(ellipse at 50% -8%, rgba(225, 209, 255, 0.2), transparent 40%),
    radial-gradient(ellipse at 88% 22%, rgba(72, 200, 255, 0.09), transparent 26%),
    linear-gradient(135deg, rgba(255, 240, 220, 0.035) 0 1px, transparent 1px 22px),
    var(--bg);
}

body::before {
  background-image:
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.018) 0 1px, transparent 1px 4px),
    repeating-linear-gradient(96deg, rgba(255, 240, 220, 0.026) 0 1px, transparent 1px 13px);
  background-size: auto;
  mask-image: none;
  opacity: 0.5;
}

.wrap {
  width: min(1320px, calc(100% - 64px));
}

.site-header {
  top: 18px;
  width: min(1320px, calc(100% - 64px));
  margin: 18px auto 0;
  border: 1px solid var(--line);
  background: rgba(22, 11, 41, 0.82);
  box-shadow: 0 20px 60px rgba(5, 1, 12, 0.18);
}

.header-shell {
  width: 100%;
  min-height: 86px;
}

.brand {
  font-family: var(--font-display);
  font-size: 25px;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.brand img,
.language select,
.button,
.hero-panel,
.hero-spotlight,
.proof,
.proof li,
.feature-card,
.showcase-card,
.screen-frame,
.steps li,
.caution,
.brand-totem,
form,
.published,
input,
textarea {
  border-radius: 3px;
}

.site-header nav a {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.hero {
  min-height: 0;
  margin-top: -105px;
  padding: 174px 0 78px;
  border-bottom: 1px solid var(--line);
}

.hero-backdrop {
  background-position: center 15%;
  filter: blur(12px) saturate(0.82);
  transform: scale(1.09);
  opacity: 0.18;
}

.hero-overlay {
  background:
    linear-gradient(180deg, rgba(22, 11, 41, 0.84), rgba(22, 11, 41, 0.94)),
    linear-gradient(90deg, transparent, rgba(255, 240, 220, 0.05), transparent);
}

.hero-grid {
  grid-template-columns: 1fr;
  gap: 52px;
  min-height: auto;
  text-align: center;
}

.hero-copy {
  max-width: 960px;
  margin-inline: auto;
}

.eyebrow {
  color: var(--accent-strong);
  font-family: var(--font-display);
  letter-spacing: 0.2em;
}

.hero h1 {
  max-width: 1120px;
  margin-inline: auto;
  font-size: clamp(4.2rem, 8.4vw, 8.3rem);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.075em;
}

.hero-body {
  max-width: 690px;
  margin: 30px auto 0;
  font-size: 1.08rem;
}

.hero-actions,
.hero-metrics {
  justify-content: center;
}

.button {
  min-height: 54px;
  padding: 0 28px;
  font-family: var(--font-display);
  letter-spacing: 0.04em;
}

.button.primary {
  color: #160b29;
  background: var(--text);
  box-shadow: 8px 8px 0 rgba(189, 164, 239, 0.42);
}

.button.primary:hover {
  box-shadow: 11px 11px 0 rgba(72, 200, 255, 0.28);
}

.button.secondary {
  background: rgba(255, 240, 220, 0.04);
  border-color: var(--line-strong);
}

.hero-metrics li {
  border-radius: 2px;
  background: rgba(255, 240, 220, 0.035);
}

.hero-stage {
  width: min(1080px, 100%);
  min-height: 610px;
  margin-inline: auto;
}

.panel-main {
  top: 0;
  right: 5%;
  width: 82%;
}

.panel-assistants {
  top: 27%;
  width: 32%;
}

.panel-settings {
  right: 1%;
  bottom: 4%;
  width: 34%;
}

.hero-spotlight {
  left: 8%;
  bottom: 0;
  width: min(460px, 48%);
  text-align: left;
  background: rgba(20, 9, 37, 0.94);
}

.proof {
  gap: 0;
  margin-top: 34px;
  padding: 0;
  border-radius: 3px;
  background: rgba(22, 11, 41, 0.76);
}

.proof li {
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
}

.proof li:last-child {
  border-right: 0;
}

.download-section {
  position: relative;
  padding: 88px 0;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, transparent 0 49.95%, rgba(255, 240, 220, 0.08) 50%, transparent 50.05%),
    rgba(13, 7, 24, 0.28);
}

.download-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr);
  gap: 72px;
  align-items: center;
}

.download-copy h2 {
  max-width: 760px;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5.4vw, 5.4rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.download-copy > p:not(.eyebrow) {
  max-width: 680px;
  color: var(--muted-strong);
  font-size: 1.04rem;
}

.download-note {
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.download-card {
  position: relative;
  display: grid;
  gap: 18px;
  padding: 34px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 240, 220, 0.055);
  box-shadow: var(--shadow);
}

.download-card::after {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(255, 240, 220, 0.08);
  pointer-events: none;
}

.download-card > * {
  position: relative;
  z-index: 1;
}

.download-card-index {
  color: var(--accent-strong);
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.18em;
}

.download-card img {
  border: 1px solid var(--line);
}

.download-card strong {
  font-family: var(--font-display);
  font-size: 1.45rem;
}

.download-button {
  width: 100%;
  margin-top: 6px;
}

.download-backup {
  color: var(--accent-strong);
  font-size: 14px;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.download-card code {
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: rgba(13, 7, 24, 0.62);
  color: var(--text);
  font-size: 14px;
}

.download-card > span:last-child {
  color: var(--muted);
  font-size: 14px;
}

.section {
  padding-block: 104px;
}

.section-heading h2,
.about h2 {
  font-weight: 900;
  letter-spacing: -0.055em;
}

.feature-grid,
.showcase-grid,
.screen-grid,
.steps {
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.feature-card,
.showcase-card,
.steps li {
  border: 0;
  background: rgba(27, 14, 48, 0.96);
  box-shadow: none;
}

.feature-card::before,
.showcase-card::before,
form::before,
.published::before {
  background: linear-gradient(90deg, var(--accent), rgba(72, 200, 255, 0.74), transparent 72%);
}

.feature-icon {
  border-radius: 2px;
}

.showcase-section,
.gallery-section,
.about {
  border-top: 1px solid var(--line);
  background: rgba(13, 7, 24, 0.18);
}

.screen-frame {
  border: 0;
  box-shadow: none;
}

.brand-totem,
form,
.published {
  background: rgba(27, 14, 48, 0.94);
}

input,
textarea,
.language select {
  background: rgba(13, 7, 24, 0.54);
}

input:focus,
textarea:focus,
.language select:focus {
  border-color: rgba(225, 209, 255, 0.66);
  box-shadow: 0 0 0 3px rgba(189, 164, 239, 0.13);
}

@media (max-width: 920px) {
  .site-header,
  .wrap {
    width: min(1320px, calc(100% - 32px));
  }

  .hero {
    margin-top: -105px;
    padding-top: 160px;
  }

  .hero-stage {
    min-height: 560px;
  }

  .download-grid {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .proof li {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .proof li:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 680px) {
  .site-header,
  .wrap {
    width: min(1320px, calc(100% - 24px));
  }

  .site-header {
    top: 10px;
    margin-top: 10px;
  }

  .hero {
    margin-top: -96px;
    padding-top: 142px;
  }

  .hero h1 {
    font-size: clamp(3rem, 15vw, 5rem);
  }

  .hero-stage {
    min-height: 420px;
  }

  .hero-spotlight {
    width: 92%;
  }

  .download-section {
    padding: 70px 0;
    background: rgba(13, 7, 24, 0.28);
  }

  .download-card {
    padding: 26px;
  }

  .download-copy h2 {
    font-size: clamp(2.55rem, 13vw, 4rem);
  }
}

/* Compact homepage: one clear product image and four meaningful sections. */
.hero {
  padding-bottom: 72px;
}

.hero-grid {
  gap: 38px;
}

.hero h1 {
  max-width: 880px;
  font-size: clamp(3.35rem, 6.3vw, 6.15rem);
  line-height: 1.08;
  letter-spacing: -0.065em;
}

.hero-body {
  margin-top: 22px;
}

.hero-stage {
  width: min(1180px, 100%);
  min-height: 0;
}

.hero-product-shot {
  position: relative;
  margin: 0;
  padding: 12px;
  border: 1px solid var(--line-strong);
  background: rgba(13, 7, 24, 0.78);
  box-shadow: 0 36px 100px rgba(5, 1, 12, 0.38);
}

.hero-product-shot::before {
  content: "CHATS / PRODUCT PREVIEW";
  display: block;
  padding: 0 2px 10px;
  color: var(--muted);
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-align: left;
}

.hero-product-shot img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(255, 240, 220, 0.14);
  image-rendering: auto;
}

.compact-steps {
  margin-top: 54px;
}

.download-section {
  padding-bottom: 82px;
}

.feature-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.guestbook {
  padding-top: 96px;
}

.support-intro {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 24px;
  align-items: center;
  margin-bottom: 56px;
  padding: 28px;
  border: 1px solid var(--line);
  background: rgba(27, 14, 48, 0.72);
}

.support-intro img {
  border: 1px solid var(--line);
}

.support-intro h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.2vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.support-intro p:last-child {
  margin: 10px 0 0;
  color: var(--muted-strong);
}

.support-intro strong {
  color: var(--text);
}

@media (max-width: 920px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    max-width: 760px;
    font-size: clamp(3.1rem, 10vw, 5.4rem);
  }
}

@media (max-width: 680px) {
  .hero-grid {
    gap: 28px;
  }

  .hero h1 {
    font-size: clamp(2.45rem, 11.5vw, 3.4rem);
    line-height: 1.12;
  }

  .hero-product-shot {
    padding: 8px;
  }

  .hero-product-shot::before {
    padding-bottom: 7px;
    font-size: 9px;
  }

  .compact-steps {
    margin-top: 36px;
  }

  .support-intro {
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 16px;
    padding: 20px;
  }

  .support-intro img {
    width: 52px;
    height: 52px;
  }
}