:root {
  --bg: #f7f4ef;
  --ink: #171a22;
  --muted: #626b7a;
  --line: rgba(23, 26, 34, 0.12);
  --primary: #0d9488;
  --primary-dark: #0f766e;
  --accent: #f59e0b;
  --panel: rgba(255, 255, 255, 0.82);
  --shadow: 0 24px 80px rgba(31, 41, 55, 0.16);
}

* {
  box-sizing: border-box;
}

body.client-landing-body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 20% 12%, rgba(13, 148, 136, 0.18), transparent 28%),
    radial-gradient(circle at 82% 18%, rgba(245, 158, 11, 0.18), transparent 26%),
    linear-gradient(145deg, #fffaf1 0%, #eef8f6 58%, #f8fbff 100%);
}

body.start-minimal-body {
  --ink: #eef8ff;
  --muted: #a8b7c8;
  --line: rgba(210, 238, 255, 0.16);
  --panel: rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at 50% 22%, rgba(55, 220, 196, 0.2), transparent 24%),
    radial-gradient(circle at 78% 18%, rgba(107, 115, 255, 0.18), transparent 28%),
    linear-gradient(135deg, #07111f 0%, #101827 52%, #07131a 100%);
}

body.start-product-body {
  --ink: #f4fbff;
  --muted: #a9bbcc;
  --line: rgba(212, 239, 255, 0.15);
  --panel: rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at 12% 10%, rgba(33, 201, 168, 0.22), transparent 28%),
    radial-gradient(circle at 88% 8%, rgba(124, 140, 255, 0.2), transparent 32%),
    linear-gradient(135deg, #060d18 0%, #101827 46%, #06151b 100%);
}

body.start-product-body .client-nav,
body.start-product-body .client-hero,
body.start-product-body .landing-showcase-section {
  width: min(1760px, calc(100% - clamp(32px, 5vw, 96px)));
}

body.client-chat-open {
  overflow: hidden;
}

a {
  color: inherit;
}

.client-landing {
  min-height: 100vh;
  overflow: hidden;
}

.client-nav {
  width: min(1160px, calc(100% - 36px));
  margin: 0 auto;
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.client-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
  letter-spacing: 0;
}

.client-brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: #ffffff;
  background: #101827;
  box-shadow: 0 12px 30px rgba(16, 24, 39, 0.18);
}

body.start-minimal-body .client-brand-mark {
  background: rgba(92, 255, 220, 0.14);
  color: #9bfff0;
  box-shadow: 0 0 34px rgba(92, 255, 220, 0.16);
}

.client-language {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.client-language select {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.86);
  color: var(--ink);
  font-weight: 800;
}

body.start-minimal-body .client-language select {
  border-color: rgba(210, 238, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: #eef8ff;
}

.hidden-start-section {
  display: none !important;
}

.client-admin-link {
  border: 1px solid rgba(23, 26, 34, 0.14);
  border-radius: 999px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
  font-size: 14px;
  font-weight: 900;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(31, 41, 55, 0.08);
}

.client-admin-link:hover {
  background: #ffffff;
}

.intent-section {
  width: min(1160px, calc(100% - 36px));
  margin: -28px auto 76px;
  display: grid;
  gap: 22px;
}

.intent-heading {
  max-width: 760px;
  display: grid;
  gap: 12px;
}

.intent-heading h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.04;
}

.intent-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.55;
}

.intent-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}

.intent-card {
  min-height: 250px;
  display: grid;
  align-content: start;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 16px 48px rgba(31, 41, 55, 0.08);
}

.intent-card strong {
  font-size: 20px;
  line-height: 1.15;
}

.intent-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.intent-card span {
  width: fit-content;
  border-radius: 999px;
  padding: 6px 9px;
  color: var(--primary-dark);
  background: rgba(13, 148, 136, 0.1);
  font-size: 12px;
  font-weight: 900;
}

.intent-card button {
  align-self: end;
  min-height: 42px;
  border: 0;
  border-radius: 8px;
  padding: 10px 12px;
  color: #ffffff;
  background: var(--ink);
  font-weight: 900;
  cursor: pointer;
}

.intent-card button:hover {
  background: var(--primary-dark);
}

.client-hero {
  width: min(1160px, calc(100% - 36px));
  margin: 0 auto;
  min-height: calc(100vh - 92px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 470px);
  align-items: center;
  gap: clamp(32px, 6vw, 78px);
  padding: 36px 0 70px;
}

.client-hero-minimal {
  position: relative;
  grid-template-columns: minmax(280px, 0.9fr) minmax(320px, 1fr);
  min-height: calc(100vh - 88px);
  padding: 18px 0 58px;
}

.client-hero-premium {
  align-items: start;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 440px);
  gap: clamp(28px, 4.5vw, 76px);
  min-height: auto;
  padding: clamp(34px, 5vw, 76px) 0 62px;
}

.landing-product-copy {
  min-width: 0;
}

.luma-orbit {
  position: absolute;
  inset: 4% 0 auto 45%;
  width: min(560px, 48vw);
  aspect-ratio: 1;
  pointer-events: none;
}

.luma-orbit span {
  position: absolute;
  inset: calc(var(--i, 0) * 22px);
  border: 1px solid rgba(85, 255, 218, 0.16);
  border-radius: 999px;
  transform: rotate(var(--r, 0deg));
  animation: orbitPulse 6s ease-in-out infinite;
}

.luma-orbit span:nth-child(1) {
  --i: 0;
  --r: 8deg;
}

.luma-orbit span:nth-child(2) {
  --i: 1;
  --r: -16deg;
  animation-delay: 0.8s;
}

.luma-orbit span:nth-child(3) {
  --i: 2;
  --r: 22deg;
  animation-delay: 1.6s;
}

.client-hero-copy {
  display: grid;
  gap: 24px;
}

.client-kicker {
  width: fit-content;
  padding: 9px 12px;
  border: 1px solid rgba(13, 148, 136, 0.26);
  border-radius: 999px;
  color: var(--primary-dark);
  background: rgba(13, 148, 136, 0.09);
  font-size: 13px;
  font-weight: 900;
}

body.start-minimal-body .client-kicker {
  border-color: rgba(92, 255, 220, 0.22);
  background: rgba(92, 255, 220, 0.08);
  color: #8dffe9;
}

.client-hero h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(40px, 6vw, 72px);
  line-height: 0.96;
  letter-spacing: 0;
}

.client-hero-premium h1 {
  max-width: 1160px;
  font-size: clamp(46px, 5.6vw, 96px);
  line-height: 0.91;
}

.client-hero p {
  margin: 0;
  max-width: 650px;
  color: var(--muted);
  font-size: clamp(18px, 2.1vw, 23px);
  line-height: 1.55;
}

.client-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.client-button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 8px;
  border: 1px solid transparent;
  padding: 13px 18px;
  font-weight: 900;
  text-decoration: none;
}

.client-button.primary {
  color: #ffffff;
  background: var(--primary);
  box-shadow: 0 16px 34px rgba(13, 148, 136, 0.28);
}

body.start-minimal-body .client-button.primary {
  min-width: 210px;
  background: #21c9a8;
  color: #061017;
  box-shadow: 0 18px 42px rgba(33, 201, 168, 0.28);
}

.client-button.secondary {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.78);
  border-color: var(--line);
}

body.start-product-body .client-button.secondary {
  border-color: rgba(212, 239, 255, 0.16);
  background: rgba(255, 255, 255, 0.075);
  color: #dcecff;
}

.client-trust-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 680px;
}

.client-trust-row span {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 13px 14px;
  background: rgba(255, 255, 255, 0.62);
  color: #384152;
  font-size: 14px;
  font-weight: 800;
}

body.start-minimal-body .client-trust-row span {
  border-color: rgba(210, 238, 255, 0.14);
  background: rgba(255, 255, 255, 0.065);
  color: #c9d7e6;
}

.landing-proof-row {
  max-width: 620px;
}

.landing-preview-board {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(240px, 0.9fr);
  gap: 14px;
  max-width: 1180px;
  margin-top: 12px;
}

.landing-preview-card {
  position: relative;
  min-height: 192px;
  display: grid;
  align-content: end;
  overflow: hidden;
  border: 1px solid rgba(212, 239, 255, 0.14);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 26px 80px rgba(0, 0, 0, 0.26);
}

.landing-preview-card-large {
  grid-row: span 2;
  min-height: 408px;
}

.landing-preview-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  opacity: 0.78;
  transform: scale(1.02);
  transition: transform 420ms ease, opacity 420ms ease;
}

.landing-preview-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 10, 19, 0.02) 8%, rgba(5, 10, 19, 0.78) 100%);
}

.landing-preview-card:hover img {
  opacity: 0.92;
  transform: scale(1.055);
}

.landing-preview-card div {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 5px;
  padding: 18px;
}

.landing-preview-card strong {
  color: #ffffff;
  font-size: 18px;
  line-height: 1.05;
}

.landing-preview-card span {
  color: #c7d7e7;
  font-size: 13px;
  line-height: 1.35;
}

.luma-side-guide {
  position: sticky;
  top: 24px;
  display: grid;
  gap: 18px;
  border: 1px solid rgba(212, 239, 255, 0.16);
  border-radius: 28px;
  padding: 22px;
  background:
    radial-gradient(circle at 50% 4%, rgba(33, 201, 168, 0.18), transparent 34%),
    rgba(255, 255, 255, 0.075);
  box-shadow: 0 30px 110px rgba(0, 0, 0, 0.32);
  backdrop-filter: blur(20px);
}

.luma-guide-top {
  display: grid;
  gap: 12px;
}

.luma-guide-top h2 {
  margin: 0;
  color: #ffffff;
  font-size: clamp(24px, 2.6vw, 34px);
  line-height: 0.98;
  letter-spacing: 0;
}

.luma-guide-top p {
  margin: 0;
  color: #b9c9d9;
  font-size: 15px;
  line-height: 1.55;
}

.luma-guide-avatar {
  min-height: 270px;
  display: grid;
  place-items: center;
  overflow: visible;
}

.luma-guide-avatar .avatar-assistant {
  width: min(100%, 300px);
}

.luma-guide-avatar .avatar-orb {
  width: clamp(150px, 18vw, 225px);
}

.luma-guide-steps {
  display: grid;
  gap: 10px;
}

.luma-guide-steps span {
  position: relative;
  min-height: 42px;
  display: flex;
  align-items: center;
  border: 1px solid rgba(212, 239, 255, 0.13);
  border-radius: 12px;
  padding: 10px 12px 10px 38px;
  color: #d9e9f8;
  background: rgba(255, 255, 255, 0.055);
  font-size: 13px;
  font-weight: 850;
}

.luma-guide-steps span::before {
  content: "";
  position: absolute;
  left: 14px;
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: #21c9a8;
  box-shadow: 0 0 18px rgba(33, 201, 168, 0.72);
}

.luma-guide-button {
  min-height: 50px;
  border: 0;
  border-radius: 12px;
  color: #061017;
  background: #21c9a8;
  box-shadow: 0 18px 42px rgba(33, 201, 168, 0.28);
  font: inherit;
  font-weight: 950;
  cursor: pointer;
}

.landing-showcase-section {
  width: min(1160px, calc(100% - 36px));
  margin: 0 auto 90px;
  display: grid;
  gap: 24px;
}

.landing-section-heading {
  max-width: 780px;
  display: grid;
  gap: 12px;
}

.landing-section-heading h2 {
  margin: 0;
  color: #ffffff;
  font-size: clamp(32px, 4.6vw, 58px);
  line-height: 0.98;
}

.landing-section-heading p {
  margin: 0;
  color: #b9c9d9;
  font-size: 17px;
  line-height: 1.55;
}

.landing-showcase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(285px, 1fr));
  gap: 16px;
}

.landing-showcase-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgba(212, 239, 255, 0.14);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.072);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.2);
}

.landing-showcase-card img {
  width: 100%;
  height: 210px;
  display: block;
  object-fit: cover;
  object-position: top center;
  border-bottom: 1px solid rgba(212, 239, 255, 0.1);
}

.landing-showcase-card div {
  display: grid;
  gap: 10px;
  padding: 18px;
}

.landing-showcase-card span {
  width: fit-content;
  border-radius: 999px;
  padding: 6px 9px;
  color: #8dffe9;
  background: rgba(33, 201, 168, 0.12);
  font-size: 11px;
  font-weight: 950;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.landing-showcase-card strong {
  color: #ffffff;
  font-size: 20px;
  line-height: 1.08;
}

.landing-showcase-card p {
  margin: 0;
  color: #b9c9d9;
  font-size: 14px;
  line-height: 1.45;
}

.landing-showcase-card button {
  min-height: 42px;
  border: 1px solid rgba(212, 239, 255, 0.16);
  border-radius: 10px;
  color: #061017;
  background: #dffcf7;
  font-weight: 950;
  cursor: pointer;
}

.mascot-stage {
  position: relative;
  min-height: 540px;
  display: grid;
  place-items: center;
}

.client-hero-minimal .mascot-stage {
  min-height: min(66vh, 640px);
}

.luma-animated-stage {
  isolation: isolate;
  overflow: visible;
}

.luma-animated-stage[data-luma-state="speaking"] .luma-energy-ring,
.luma-animated-stage[data-luma-state="thinking"] .luma-energy-ring {
  animation-duration: 2.2s;
}

.luma-animated-stage[data-luma-state="thinking"] .luma-energy-ring {
  border-style: dashed;
}

.luma-animated-stage[data-luma-state="thinking"] .mascot-card-minimal {
  animation-duration: 6s, 1.8s;
}

.luma-animated-stage::before {
  content: "";
  position: absolute;
  width: min(82%, 560px);
  aspect-ratio: 1;
  border-radius: 999px;
  background:
    radial-gradient(circle, rgba(92, 255, 220, 0.18), transparent 58%),
    conic-gradient(from 120deg, rgba(92, 255, 220, 0), rgba(92, 255, 220, 0.2), rgba(111, 115, 255, 0.18), rgba(92, 255, 220, 0));
  filter: blur(10px);
  opacity: 0.86;
  animation: lumaHaloSpin 10s linear infinite;
  z-index: -2;
}

.luma-energy-ring {
  position: absolute;
  width: min(78%, 520px);
  aspect-ratio: 1;
  border: 1px solid rgba(92, 255, 220, 0.22);
  border-radius: 999px;
  box-shadow: inset 0 0 30px rgba(92, 255, 220, 0.08), 0 0 42px rgba(92, 255, 220, 0.08);
  animation: lumaRingPulse 3.8s ease-in-out infinite;
  pointer-events: none;
  z-index: -1;
}

.luma-energy-ring.second {
  width: min(94%, 620px);
  border-color: rgba(133, 146, 255, 0.18);
  animation-delay: 1.2s;
}

.luma-signal-dot {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #78ffe9;
  box-shadow: 0 0 22px rgba(120, 255, 233, 0.8);
  animation: lumaSignalFloat 4.4s ease-in-out infinite;
  pointer-events: none;
}

.luma-signal-dot.dot-one {
  top: 18%;
  right: 16%;
}

.luma-signal-dot.dot-two {
  left: 13%;
  top: 34%;
  width: 8px;
  height: 8px;
  animation-delay: 0.9s;
}

.luma-signal-dot.dot-three {
  right: 22%;
  bottom: 24%;
  width: 7px;
  height: 7px;
  animation-delay: 1.8s;
}

.mascot-card {
  width: min(100%, 440px);
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 22px;
  padding: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.72));
  box-shadow: var(--shadow);
}

.mascot-card img,
.mascot-art {
  width: 100%;
  display: block;
  border-radius: 16px;
  aspect-ratio: 1 / 1;
}

.mascot-card img {
  object-fit: cover;
  object-position: center;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}

.mascot-art {
  background-image: url("/public/brand/gnu-dev-assistant.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  pointer-events: none;
  user-select: none;
}

.mascot-card-minimal {
  position: relative;
  width: min(100%, 520px);
  border-radius: 28px;
  border-color: rgba(190, 239, 255, 0.18);
  background:
    radial-gradient(circle at 50% 18%, rgba(94, 234, 212, 0.18), transparent 38%),
    rgba(255, 255, 255, 0.065);
  box-shadow: 0 34px 110px rgba(0, 0, 0, 0.38);
  animation: lumaFloat 4.8s ease-in-out infinite, lumaBreath 2.9s ease-in-out infinite;
  cursor: default;
  user-select: none;
}

.mascot-card-minimal::before {
  content: "";
  position: absolute;
  inset: -20px;
  z-index: -1;
  border-radius: 36px;
  background: conic-gradient(from 180deg, rgba(92, 255, 220, 0.28), rgba(92, 115, 255, 0.18), rgba(92, 255, 220, 0.28));
  filter: blur(24px);
  opacity: 0.72;
}

.mascot-card-minimal::after {
  content: "";
  position: absolute;
  inset: 18px;
  border-radius: 20px;
  background: linear-gradient(115deg, transparent 8%, rgba(255, 255, 255, 0.16) 24%, transparent 42%);
  opacity: 0;
  transform: translateX(-28%);
  animation: lumaGlassSweep 5.8s ease-in-out infinite;
  pointer-events: none;
}

.luma-voice-bars {
  position: absolute;
  right: 20px;
  bottom: 20px;
  display: flex;
  align-items: end;
  gap: 4px;
  opacity: 0;
  pointer-events: none;
}

.luma-voice-bars i {
  width: 4px;
  height: 11px;
  border-radius: 999px;
  background: #8dffe9;
  box-shadow: 0 0 12px rgba(141, 255, 233, 0.6);
  animation: lumaVoiceBar 0.72s ease-in-out infinite;
}

.luma-voice-bars i:nth-child(2) {
  animation-delay: 0.12s;
}

.luma-voice-bars i:nth-child(3) {
  animation-delay: 0.24s;
}

.luma-voice-bars i:nth-child(4) {
  animation-delay: 0.36s;
}

.luma-animated-stage[data-luma-state="speaking"] .luma-voice-bars,
.luma-animated-stage[data-luma-state="thinking"] .luma-voice-bars {
  opacity: 1;
}

.luma-animated-stage[data-luma-state="thinking"] .luma-voice-bars i {
  animation-duration: 1.1s;
  background: #aab3ff;
}

.luma-animated-stage[data-luma-state="speaking"] .speech-card {
  border-color: rgba(92, 255, 220, 0.28);
  box-shadow: 0 22px 60px rgba(33, 201, 168, 0.16);
}

.speech-card {
  position: absolute;
  left: -4px;
  bottom: 96px;
  max-width: 260px;
  padding: 16px;
  border-radius: 14px;
  background: #111827;
  color: #ffffff;
  box-shadow: 0 18px 48px rgba(17, 24, 39, 0.22);
}

body.start-minimal-body .speech-card {
  left: 2%;
  bottom: 72px;
  background: rgba(4, 10, 20, 0.82);
  border: 1px solid rgba(210, 238, 255, 0.14);
  backdrop-filter: blur(16px);
}

@keyframes lumaFloat {
  0%, 100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-14px) scale(1.012);
  }
}

@keyframes lumaBreath {
  0%, 100% {
    filter: saturate(1) drop-shadow(0 0 0 rgba(92, 255, 220, 0));
  }
  50% {
    filter: saturate(1.12) drop-shadow(0 0 18px rgba(92, 255, 220, 0.24));
  }
}

@keyframes lumaHaloSpin {
  from {
    transform: rotate(0deg) scale(0.98);
  }
  to {
    transform: rotate(360deg) scale(0.98);
  }
}

@keyframes lumaRingPulse {
  0%, 100% {
    opacity: 0.36;
    transform: scale(0.86);
  }
  50% {
    opacity: 0.9;
    transform: scale(1.02);
  }
}

@keyframes lumaSignalFloat {
  0%, 100% {
    opacity: 0.45;
    transform: translate3d(0, 0, 0) scale(0.9);
  }
  50% {
    opacity: 1;
    transform: translate3d(0, -18px, 0) scale(1.15);
  }
}

@keyframes lumaGlassSweep {
  0%, 58%, 100% {
    opacity: 0;
    transform: translateX(-30%);
  }
  68% {
    opacity: 0.8;
  }
  82% {
    opacity: 0;
    transform: translateX(32%);
  }
}

@keyframes lumaVoiceBar {
  0%, 100% {
    height: 8px;
    opacity: 0.55;
  }
  50% {
    height: 24px;
    opacity: 1;
  }
}

@keyframes orbitPulse {
  0%, 100% {
    opacity: 0.45;
    transform: rotate(var(--r, 0deg)) scale(0.96);
  }
  50% {
    opacity: 0.9;
    transform: rotate(calc(var(--r, 0deg) + 8deg)) scale(1.03);
  }
}

.speech-card strong,
.how-card strong {
  display: block;
  margin-bottom: 4px;
}

.speech-card p,
.how-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.45;
}

.how-section {
  padding: 64px 0 86px;
  background: rgba(255, 255, 255, 0.48);
}

.how-inner {
  width: min(1160px, calc(100% - 36px));
  margin: 0 auto;
}

.how-inner h2 {
  margin: 0 0 22px;
  font-size: clamp(28px, 4vw, 44px);
  letter-spacing: 0;
}

.how-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.how-card {
  min-height: 150px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  background: var(--panel);
}

.how-number {
  width: 34px;
  height: 34px;
  margin-bottom: 18px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  color: #ffffff;
  background: var(--ink);
  font-weight: 900;
}

.client-chat-modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: stretch;
  justify-content: flex-end;
  padding: 18px;
  background:
    linear-gradient(90deg, rgba(3, 8, 17, 0.14), rgba(3, 8, 17, 0.62)),
    rgba(15, 23, 42, 0.3);
  backdrop-filter: blur(7px);
}

.client-chat-modal[hidden] {
  display: none;
}

.client-chat-frame-shell {
  position: relative;
  width: min(620px, calc(100vw - 36px));
  height: calc(100dvh - 36px);
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 26px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: -24px 0 90px rgba(0, 0, 0, 0.34);
  animation: lumaSidePanelIn 240ms ease-out;
}

.client-chat-frame-shell iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
  background: #f8fafc;
}

.client-chat-modal.preview-open {
  padding: 0;
  place-items: stretch;
  background: #ffffff;
  backdrop-filter: none;
}

.client-chat-modal.preview-open .client-chat-frame-shell {
  width: 100%;
  height: 100vh;
  border: 0;
  border-radius: 0;
  background: #ffffff;
  box-shadow: none;
}

.client-chat-modal.preview-open .client-chat-close {
  top: 12px;
  right: 12px;
  color: #101827;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 8px 26px rgba(15, 23, 42, 0.16);
}

.client-chat-close {
  position: absolute;
  z-index: 3;
  top: 14px;
  right: 14px;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 999px;
  color: #475467;
  background: rgba(255, 255, 255, 0.74);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  backdrop-filter: blur(8px);
}

@keyframes lumaSidePanelIn {
  from {
    opacity: 0;
    transform: translateX(34px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.tester-feedback-button {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 42;
  border: 1px solid rgba(20, 184, 166, 0.28);
  border-radius: 999px;
  padding: 13px 18px;
  color: #ecfeff;
  background: linear-gradient(135deg, #0f172a, #0f766e);
  box-shadow: 0 18px 52px rgba(15, 23, 42, 0.22);
  font-weight: 900;
  cursor: pointer;
}

.tester-feedback-panel {
  position: fixed;
  inset: 0;
  z-index: 55;
  display: grid;
  place-items: end;
  padding: 22px;
  background: rgba(15, 23, 42, 0.36);
  backdrop-filter: blur(8px);
}

.tester-feedback-panel[hidden] {
  display: none;
}

.tester-feedback-card {
  position: relative;
  width: min(520px, 100%);
  max-height: calc(100dvh - 44px);
  overflow: auto;
  border: 1px solid rgba(255, 255, 255, 0.52);
  border-radius: 28px;
  padding: 26px;
  background:
    radial-gradient(circle at 88% 0%, rgba(20, 184, 166, 0.14), transparent 32%),
    rgba(255, 255, 255, 0.96);
  box-shadow: 0 30px 100px rgba(15, 23, 42, 0.28);
}

.tester-feedback-close {
  position: absolute;
  top: 18px;
  right: 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  background: #ffffff;
  color: var(--muted);
  font-weight: 900;
  cursor: pointer;
}

.tester-feedback-card h2 {
  margin: 10px 0 8px;
  font-size: 30px;
  line-height: 1;
  letter-spacing: 0;
}

.tester-feedback-card p {
  color: var(--muted);
}

.tester-feedback-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.tester-feedback-form label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.tester-feedback-form input,
.tester-feedback-form select,
.tester-feedback-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px;
  background: #ffffff;
  color: var(--ink);
  font: inherit;
  text-transform: none;
}

.tester-feedback-wide,
.tester-feedback-form button,
.tester-feedback-status {
  grid-column: 1 / -1;
}

.tester-feedback-status {
  min-height: 20px;
  margin: 0;
  font-size: 13px;
  font-weight: 800;
  color: var(--accent);
}

@media (max-width: 880px) {
  .client-hero {
    grid-template-columns: 1fr;
    padding-top: 20px;
  }

  .client-hero-premium {
    gap: 28px;
  }

  .luma-side-guide {
    position: relative;
    top: auto;
  }

  .client-trust-row,
  .how-grid,
  .landing-showcase-grid {
    grid-template-columns: 1fr;
  }

  .landing-preview-board {
    grid-template-columns: 1fr;
  }

  .landing-preview-card,
  .landing-preview-card-large {
    min-height: 260px;
    grid-row: auto;
  }

  .mascot-stage {
    min-height: auto;
  }

  .speech-card {
    position: relative;
    left: auto;
    bottom: auto;
    margin-top: -18px;
    width: min(92%, 300px);
  }
}

@media (max-width: 560px) {
  .client-nav {
    width: min(100% - 24px, 1160px);
    align-items: flex-start;
    flex-direction: column;
  }

  .client-hero,
  .how-inner,
  .intent-section,
  .landing-showcase-section {
    width: min(100% - 24px, 1160px);
  }

  body.start-product-body .client-nav,
  body.start-product-body .client-hero,
  body.start-product-body .landing-showcase-section {
    width: min(100% - 24px, 1160px);
  }

  .client-hero-premium h1 {
    font-size: clamp(38px, 13vw, 58px);
  }

  .luma-side-guide {
    padding: 18px;
    border-radius: 22px;
  }

  .luma-guide-avatar {
    min-height: 220px;
  }

  .client-actions {
    display: grid;
  }

  .client-button {
    width: 100%;
  }

  .client-chat-modal {
    padding: 0;
  }

  .client-chat-frame-shell {
    width: 100%;
    height: 100dvh;
    border-radius: 0;
  }

  .tester-feedback-panel {
    padding: 10px;
    place-items: end stretch;
  }

  .tester-feedback-card {
    border-radius: 22px;
    padding: 22px;
  }

  .tester-feedback-form {
    grid-template-columns: 1fr;
  }
}