:root {
  color-scheme: dark;
  --bg: #07100d;
  --bg-soft: #0b1613;
  --panel: rgba(14, 23, 20, 0.82);
  --panel-strong: rgba(18, 28, 24, 0.94);
  --panel-border: rgba(157, 175, 165, 0.12);
  --panel-border-strong: rgba(113, 208, 131, 0.18);
  --text: #f1f5f1;
  --muted: #9aa7a0;
  --muted-strong: #bdc7c1;
  --accent: #71d083;
  --accent-soft: rgba(113, 208, 131, 0.16);
  --accent-warm: #d5c27c;
  --accent-warm-soft: rgba(213, 194, 124, 0.14);
  --danger: #ef8f82;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.42);
  --shadow-soft: 0 20px 50px rgba(0, 0, 0, 0.28);
  --radius-xl: 30px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --shell: min(1160px, calc(100vw - 40px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: "Manrope", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(113, 208, 131, 0.12), transparent 34%),
    radial-gradient(circle at 88% 14%, rgba(213, 194, 124, 0.08), transparent 26%),
    linear-gradient(180deg, #06100d 0%, #08120f 24%, #09100f 100%);
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at center, rgba(0, 0, 0, 0.78), transparent 96%);
  pointer-events: none;
  z-index: -2;
}

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

code {
  font-family: "SFMono-Regular", "Menlo", monospace;
}

p code {
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #e5efe9;
  font-size: 0.92em;
}

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

.shell {
  width: var(--shell);
  margin: 0 auto;
}

.page-glow {
  position: fixed;
  width: 420px;
  height: 420px;
  border-radius: 999px;
  filter: blur(90px);
  opacity: 0.55;
  z-index: -3;
  pointer-events: none;
}

.page-glow-left {
  top: 120px;
  left: -180px;
  background: rgba(113, 208, 131, 0.12);
}

.page-glow-right {
  top: 420px;
  right: -160px;
  background: rgba(213, 194, 124, 0.1);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: rgba(7, 12, 10, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.header-row {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-mark {
  width: 52px;
  height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  border-radius: 16px;
  color: var(--accent);
  background:
    radial-gradient(circle at 50% 15%, rgba(113, 208, 131, 0.16), transparent 55%),
    rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(113, 208, 131, 0.16);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.02) inset,
    0 12px 28px rgba(0, 0, 0, 0.22);
}

.brand-mark svg {
  width: 100%;
  height: 100%;
}

.brand-alert {
  stroke: var(--danger);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-name {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand-sub {
  color: var(--muted);
  font-size: 0.78rem;
}

.footer-links a:hover,
.header-link:hover {
  color: var(--text);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.header-badge {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(113, 208, 131, 0.1);
  border: 1px solid rgba(113, 208, 131, 0.16);
  color: #98e3a7;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.header-link {
  color: var(--muted);
  font-size: 0.92rem;
  white-space: nowrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  transition:
    transform 200ms ease,
    border-color 200ms ease,
    background-color 200ms ease,
    color 200ms ease,
    box-shadow 200ms ease;
}

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

.button-primary {
  background: linear-gradient(180deg, #82dc94 0%, #63be76 100%);
  color: #06100c;
  box-shadow: 0 18px 34px rgba(67, 121, 78, 0.32);
}

.button-primary:hover {
  box-shadow: 0 22px 38px rgba(67, 121, 78, 0.38);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.02);
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.08);
}

.button-secondary:hover {
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.04);
}

.button-small {
  min-height: 40px;
  padding: 0 16px;
  font-size: 0.88rem;
}

.hero {
  padding: 88px 0 48px;
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 54px;
  align-items: center;
}

.eyebrow,
.section-label,
.feature-badge,
.product-badge,
.note-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(113, 208, 131, 0.1);
  border: 1px solid rgba(113, 208, 131, 0.16);
  color: #98e3a7;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  width: fit-content;
}

.hero h1 {
  margin: 22px 0 18px;
  font-size: clamp(2.9rem, 5.6vw, 4.9rem);
  line-height: 1.02;
  letter-spacing: -0.06em;
  max-width: 10.5ch;
}

.accent-line {
  display: block;
  margin-top: 0.12em;
  color: #f6f0d9;
  font-family: "Fraunces", Georgia, serif;
  font-weight: 700;
}

.hero-text,
.hero-points,
.section-heading p,
.feature-card-head p,
.value-card p,
.product-card p,
.step-card p,
.agent-surface p,
.site-footer p {
  color: var(--muted-strong);
  font-size: 1.03rem;
  line-height: 1.72;
}

.hero-text {
  max-width: 60ch;
}

.hero-points {
  list-style: none;
  padding: 0;
  margin: 0;
  max-width: 42rem;
}

.hero-points li {
  position: relative;
  padding-left: 18px;
  margin-top: 10px;
}

.hero-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.8em;
  width: 8px;
  height: 1px;
  background: rgba(113, 208, 131, 0.75);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.hero-stage {
  position: relative;
  min-height: 540px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-flow {
  width: min(100%, 560px);
  padding: 24px;
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at top right, rgba(113, 208, 131, 0.14), transparent 42%),
    linear-gradient(180deg, rgba(17, 28, 23, 0.98) 0%, rgba(11, 19, 16, 0.98) 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.02) inset,
    var(--shadow);
}

.hero-flow-head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 22px;
}

.hero-flow-head p {
  margin: 0;
  color: var(--muted-strong);
  font-size: 0.97rem;
  line-height: 1.65;
  max-width: 40ch;
}

.hero-flow-board {
  display: grid;
  gap: 16px;
}

.flow-lane {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr) 106px 122px;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.flow-agent-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
  color: var(--muted-strong);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.agent-mark {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.agent-mark svg {
  width: 100%;
  height: 100%;
}

.agent-mark-codex {
  color: #93b7ff;
}

.agent-mark-cursor {
  color: #8eb7ff;
}

.flow-request,
.flow-result {
  display: flex;
  align-items: center;
  gap: 12px;
}

.flow-request-text,
.flow-result {
  color: var(--text);
  font-size: 0.93rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.flow-request-text code {
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font-size: 1em;
}

.flow-request-rail {
  flex: 1;
  min-width: 54px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(113, 208, 131, 0.95) 0%, rgba(113, 208, 131, 0.18) 100%);
}

.flow-request-rail-danger {
  background: linear-gradient(90deg, rgba(239, 143, 130, 0.95) 0%, rgba(239, 143, 130, 0.18) 100%);
}

.flow-request-rail-warm {
  background: linear-gradient(90deg, rgba(213, 194, 124, 0.95) 0%, rgba(213, 194, 124, 0.18) 100%);
}

.flow-core-badge {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  width: 92px;
  height: 92px;
  border-radius: 999px;
  background:
    radial-gradient(circle at 50% 28%, rgba(113, 208, 131, 0.2), transparent 62%),
    rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(113, 208, 131, 0.18);
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.24);
}

.flow-core-badge-saver {
  background:
    radial-gradient(circle at 50% 28%, rgba(213, 194, 124, 0.16), transparent 62%),
    rgba(255, 255, 255, 0.03);
  border-color: rgba(213, 194, 124, 0.2);
}

.flow-core-letter {
  font-family: "Fraunces", Georgia, serif;
  font-size: 2rem;
  line-height: 1;
  color: var(--text);
}

.flow-core-name {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.flow-result {
  justify-content: flex-end;
  text-align: right;
}

.flow-result-danger {
  color: #ffb6ac;
}

.flow-result-warm {
  color: #ecd98f;
}

.shot-card {
  width: min(100%, 540px);
  margin: 0;
  padding: 20px 20px 18px;
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at top right, rgba(113, 208, 131, 0.14), transparent 38%),
    linear-gradient(180deg, rgba(17, 28, 23, 0.98) 0%, rgba(11, 19, 16, 0.98) 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.02) inset,
    var(--shadow);
  position: relative;
}

.shot-window-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.shot-window-bar span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
}

.shot-window-bar span:first-child {
  background: #fb6c64;
}

.shot-window-bar span:nth-child(2) {
  background: #f4bb4f;
}

.shot-window-bar span:nth-child(3) {
  background: #62ca5b;
}

.shot-card img {
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  width: 100%;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.28);
}

.shot-card figcaption {
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

.shot-card-inline {
  width: min(100%, 920px);
  margin: 28px auto 0;
}

.floating-note {
  position: absolute;
  width: 240px;
  padding: 18px 18px 16px;
  border-radius: 20px;
  background:
    linear-gradient(180deg, rgba(18, 29, 24, 0.95) 0%, rgba(12, 20, 17, 0.98) 100%);
  border: 1px solid rgba(113, 208, 131, 0.18);
  box-shadow: var(--shadow-soft);
  z-index: 2;
}

.floating-note p {
  margin: 10px 0 0;
  color: var(--muted-strong);
  font-size: 0.9rem;
  line-height: 1.6;
}

.floating-note-top {
  top: 12px;
  left: -6px;
}

.floating-note-bottom {
  right: -8px;
  bottom: 18px;
}

.note-label-warm,
.feature-badge-warm {
  background: var(--accent-warm-soft);
  border-color: rgba(213, 194, 124, 0.18);
  color: #ecd98f;
}

.value-card,
.feature-card,
.step-card,
.product-card,
.agent-surface {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(18, 27, 23, 0.9) 0%, rgba(10, 18, 15, 0.96) 100%);
  border: 1px solid var(--panel-border);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.02) inset,
    var(--shadow-soft);
}

.section {
  padding: 88px 0 0;
}

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

.section-heading h2 {
  margin: 18px 0 14px;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.04;
  letter-spacing: -0.05em;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  margin-top: 30px;
}

.feature-card {
  padding: 30px;
}

.feature-card::before,
.product-card::before,
.step-card::before,
.value-card::before,
.agent-surface::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top right, rgba(255, 255, 255, 0.03), transparent 34%);
  pointer-events: none;
}

.feature-card-guardian {
  border-color: rgba(113, 208, 131, 0.16);
}

.feature-card-saver {
  border-color: rgba(213, 194, 124, 0.16);
}

.feature-card-head h3,
.product-card h3,
.step-card h3,
.agent-surface h3 {
  margin: 18px 0 12px;
  font-size: 1.55rem;
  line-height: 1.15;
  letter-spacing: -0.04em;
}

.feature-list,
.agent-surface ul,
.product-list,
.signal-list,
.flow-points {
  margin: 24px 0 0;
  padding-left: 18px;
  color: var(--muted-strong);
}

.feature-list li,
.agent-surface li,
.product-list li,
.signal-list li,
.flow-points li {
  margin-top: 12px;
  line-height: 1.6;
}

.signal-panel {
  margin-top: 26px;
  padding: 18px;
  border-radius: 20px;
  background: rgba(5, 10, 8, 0.46);
  border: 1px solid rgba(113, 208, 131, 0.13);
}

.signal-panel-warm {
  border-color: rgba(213, 194, 124, 0.14);
}

.signal-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 0.85rem;
}

.signal-chip {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.signal-chip-danger {
  background: rgba(239, 143, 130, 0.14);
  color: #ffb6ac;
}

.signal-chip-warm {
  background: rgba(213, 194, 124, 0.16);
  color: #ecd98f;
}

.signal-list {
  margin-top: 0;
}

.signal-list code {
  color: #d9e3dd;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 30px;
}

.step-card {
  padding: 26px;
  min-height: 230px;
}

.step-number {
  display: inline-block;
  color: var(--accent);
  font-size: 0.83rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.step-card p {
  margin: 0;
  font-size: 0.95rem;
}

.product-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 18px;
  margin-top: 30px;
}

.product-card {
  padding: 28px;
  min-height: 250px;
}

.product-list {
  margin-top: 16px;
}

.product-list li {
  text-transform: lowercase;
}

.product-card-wide {
  grid-column: span 1;
}

.product-badge-muted {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.08);
  color: var(--muted-strong);
}

.product-card-garden {
  background:
    radial-gradient(circle at top right, rgba(113, 208, 131, 0.08), transparent 36%),
    linear-gradient(180deg, rgba(18, 27, 23, 0.9) 0%, rgba(10, 18, 15, 0.96) 100%);
}

.agent-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 30px;
  padding-bottom: 110px;
}

.agent-surface {
  padding: 26px;
}

.agent-surface-head {
  display: flex;
  align-items: center;
  gap: 14px;
}

.agent-surface-head p {
  margin: 4px 0 0;
  font-size: 0.92rem;
  color: var(--muted);
}

.agent-icon {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.agent-icon svg {
  width: 18px;
  height: 18px;
}

.agent-icon-codex {
  color: #93b7ff;
}

.agent-icon-cursor svg {
  width: 20px;
  height: 20px;
}

.logo-flow-card {
  margin-top: 30px;
  padding: 28px;
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at top center, rgba(113, 208, 131, 0.12), transparent 34%),
    linear-gradient(180deg, rgba(18, 27, 23, 0.9) 0%, rgba(10, 18, 15, 0.96) 100%);
  border: 1px solid var(--panel-border);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.02) inset,
    var(--shadow-soft);
}

.logo-flow-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px minmax(0, 1fr);
  gap: 20px;
  align-items: center;
}

.logo-flow-side {
  display: grid;
  gap: 18px;
}

.logo-flow-side-right {
  text-align: right;
}

.logo-flow-item {
  padding: 16px 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.logo-flow-item p {
  margin: 8px 0 0;
  color: var(--text);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo-flow-item code {
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font-size: 1em;
}

.logo-flow-item-danger p {
  color: #ffb6ac;
}

.logo-flow-item-warm p {
  color: #ecd98f;
}

.logo-flow-tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.logo-flow-center {
  position: relative;
  min-height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-flow-line {
  position: absolute;
  left: 0;
  width: 118px;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(113, 208, 131, 0.78) 0%, rgba(113, 208, 131, 0.12) 100%);
}

.logo-flow-line-top {
  top: 84px;
}

.logo-flow-line-mid {
  top: 168px;
  left: -8px;
  width: 130px;
}

.logo-flow-line-bot {
  top: 252px;
  width: 118px;
  background: linear-gradient(90deg, rgba(213, 194, 124, 0.78) 0%, rgba(213, 194, 124, 0.14) 100%);
}

.logo-flow-q {
  width: 188px;
  height: 188px;
  border-radius: 999px;
  border: 16px solid rgba(113, 208, 131, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Fraunces", Georgia, serif;
  font-size: 5rem;
  line-height: 1;
  color: var(--text);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.04) inset,
    0 26px 56px rgba(0, 0, 0, 0.28);
}

.logo-flow-tail {
  position: absolute;
  width: 126px;
  height: 12px;
  border-radius: 999px;
  background: rgba(113, 208, 131, 0.9);
  right: 8px;
  bottom: 84px;
  transform: rotate(35deg);
  transform-origin: right center;
}

.flow-points {
  margin: 28px auto 0;
  max-width: 760px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px 18px;
}

.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(5, 8, 7, 0.5);
}

.footer-row {
  padding: 28px 0 42px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 28px;
}

.footer-title {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.site-footer p {
  max-width: 560px;
  margin: 8px 0 0;
  font-size: 0.94rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-size: 0.92rem;
}

@media (max-width: 1120px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 34px;
    padding-top: 68px;
  }

  .hero-copy {
    max-width: 760px;
  }

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

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

  .product-grid,
  .agent-grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .logo-flow-grid {
    grid-template-columns: 1fr;
  }

  .logo-flow-center {
    order: -1;
    min-height: auto;
    padding: 32px 0;
  }

  .logo-flow-line,
  .logo-flow-tail {
    display: none;
  }

  .logo-flow-side-right {
    text-align: left;
  }

  .flow-points {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .header-row {
    flex-wrap: wrap;
    justify-content: space-between;
    padding: 16px 0;
  }

  .hero h1 {
    max-width: none;
  }

  .flow-lane {
    grid-template-columns: 1fr 1fr;
    justify-items: flex-start;
    gap: 10px;
  }

  .flow-request-rail {
    display: none;
  }

  .flow-core-badge {
    width: 52px;
    height: 52px;
  }

  .flow-core-letter {
    font-size: 1.3rem;
  }

  .flow-core-name {
    display: none;
  }

  .flow-result {
    justify-content: flex-end;
    text-align: right;
  }

  .section {
    padding-top: 82px;
  }

  .footer-row {
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  :root {
    --shell: min(100vw - 24px, 100vw - 24px);
  }

  .site-header {
    position: static;
  }

  .brand {
    width: 100%;
  }

  .header-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .button {
    width: 100%;
  }

  .button-small {
    width: auto;
  }

  .hero {
    padding-top: 36px;
  }

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

  .hero-stage {
    padding-top: 0;
    padding-bottom: 0;
  }

  .shot-card {
    padding: 14px 14px 16px;
    border-radius: 24px;
  }

  .feature-card,
  .product-card,
  .step-card,
  .agent-surface {
    padding: 22px;
  }

  .hero-flow,
  .logo-flow-card {
    padding: 20px;
  }

  .logo-flow-q {
    width: 120px;
    height: 120px;
    border-width: 10px;
    font-size: 3.4rem;
  }

  .flow-lane {
    grid-template-columns: auto 1fr auto auto;
    gap: 8px;
    padding: 12px 14px;
  }

  .flow-core-badge {
    width: 40px;
    height: 40px;
  }

  .flow-core-letter {
    font-size: 1.1rem;
  }

  .flow-agent-chip {
    min-height: 30px;
    padding: 0 8px;
    font-size: 0.72rem;
    gap: 6px;
  }

  .flow-request-text,
  .flow-result {
    font-size: 0.82rem;
  }

  .steps-grid {
    grid-template-columns: 1fr;
  }
}

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

  .button,
  .footer-links a,
  .header-link {
    transition: none;
  }
}