:root {
  --bg: #f5f5f7;
  --bg-soft: #ffffff;
  --surface: rgba(255, 255, 255, 0.86);
  --surface-strong: rgba(255, 255, 255, 0.96);
  --surface-white: #111113;
  --text: #111113;
  --text-dark: #f5f5f7;
  --muted: #6e6e73;
  --muted-2: #8e8e93;
  --line: rgba(0, 0, 0, 0.08);
  --line-strong: rgba(0, 0, 0, 0.16);
  --accent: #0a84ff;
  --accent-soft: rgba(10, 132, 255, 0.18);
  --green: #30d158;
  --shadow: 0 26px 80px rgba(0, 0, 0, 0.08);
  --radius: 22px;
  --radius-small: 10px;
  --nav-h: 72px;
  --max: 1180px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--text);
  font-family: var(--font);
  background:
    radial-gradient(circle at 50% 8%, rgba(10, 132, 255, 0.08), transparent 30rem),
    linear-gradient(180deg, #ffffff 0%, #f5f5f7 48%, #ffffff 100%);
}

body.nav-open {
  overflow: hidden;
}

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

button {
  font: inherit;
}

.spotlight {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    linear-gradient(rgba(0, 0, 0, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.014) 1px, transparent 1px);
  background-size: 76px 76px;
  mask-image: linear-gradient(to bottom, black, transparent 72%);
}

.page-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  height: 2px;
  background: rgba(0, 0, 0, 0.07);
}

.page-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--surface-white);
}

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
  padding: 0 clamp(1rem, 4vw, 3rem);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(26px);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: clamp(120px, 15vw, 190px);
}

.brand img {
  display: block;
  width: 100%;
  height: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 0.18rem;
}

.main-nav a {
  padding: 0.58rem 0.78rem;
  color: var(--muted);
  font-size: 0.88rem;
  border-radius: 999px;
  transition: color 180ms ease, background 180ms ease;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--text);
  background: rgba(0, 0, 0, 0.06);
}

.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 0;
  border-radius: 999px;
  color: var(--text);
  background: rgba(0, 0, 0, 0.06);
}

.nav-toggle span {
  display: block;
  width: 1rem;
  height: 1.5px;
  margin: 0.22rem auto;
  background: currentColor;
  transition: transform 180ms ease;
}

.nav-open .nav-toggle span:first-child {
  transform: translateY(3px) rotate(45deg);
}

.nav-open .nav-toggle span:last-child {
  transform: translateY(-3px) rotate(-45deg);
}

.slide-index {
  position: fixed;
  top: 50%;
  right: 1.1rem;
  z-index: 25;
  display: grid;
  gap: 0.68rem;
  transform: translateY(-50%);
}

.index-dot {
  position: relative;
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.22);
  transition: height 220ms ease, background 220ms ease;
}

.index-dot.active {
  height: 28px;
  background: var(--text);
}

.index-dot::before {
  content: attr(data-label);
  position: absolute;
  top: 50%;
  right: 1rem;
  padding: 0.36rem 0.56rem;
  color: var(--text-dark);
  font-size: 0.72rem;
  white-space: nowrap;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(17, 17, 19, 0.9);
  opacity: 0;
  transform: translateY(-50%) translateX(0.4rem);
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
}

.index-dot:hover::before {
  opacity: 1;
  transform: translateY(-50%);
}

.slide {
  position: relative;
  display: grid;
  align-items: center;
  min-height: 100vh;
  padding: calc(var(--nav-h) + 4rem) clamp(1.25rem, 6vw, 5.5rem) 5rem;
  scroll-margin-top: 0;
}

.hero {
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 0.78fr);
  gap: clamp(2.2rem, 6vw, 5rem);
  align-content: center;
}

.hero-content,
.copy-block,
.section-heading,
.closing-content {
  width: min(100%, var(--max));
}

.kicker {
  margin: 0 0 1.1rem;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  letter-spacing: 0;
}

h1 {
  max-width: 980px;
  margin-bottom: 1.4rem;
  font-size: clamp(3.6rem, 8vw, 7.6rem);
  font-weight: 750;
  line-height: 0.88;
  text-wrap: balance;
}

h2 {
  max-width: 920px;
  margin-bottom: 1.2rem;
  font-size: clamp(2.4rem, 5.2vw, 5.4rem);
  font-weight: 740;
  line-height: 0.92;
  text-wrap: balance;
}

h3 {
  margin-bottom: 0.7rem;
  font-size: clamp(1.35rem, 2vw, 2rem);
  font-weight: 700;
  line-height: 1.1;
}

.hero-lead,
.copy-block p,
.section-heading p:not(.kicker),
.closing-content p {
  max-width: 760px;
  color: var(--muted);
  font-size: clamp(1.12rem, 2vw, 1.48rem);
  line-height: 1.55;
}

.hero-content {
  margin: 0;
  text-align: left;
}

.hero-content h1,
.hero-content p {
  margin-left: 0;
  margin-right: 0;
}

.hero-visual {
  align-self: center;
  width: 100%;
  margin: 0;
  transform-style: preserve-3d;
}

.product-window {
  overflow: hidden;
  min-height: 420px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(245, 245, 247, 0.9));
  box-shadow: var(--shadow);
  backdrop-filter: blur(30px);
}

.window-bar {
  display: flex;
  align-items: center;
  gap: 0.46rem;
  height: 46px;
  padding: 0 1rem;
  border-bottom: 1px solid var(--line);
}

.window-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.22);
}

.window-bar strong {
  margin-left: auto;
  color: var(--muted);
  font-size: 0.8rem;
}

.product-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.28fr) minmax(260px, 0.72fr);
  min-height: 374px;
}

.product-main {
  position: relative;
  display: grid;
  gap: 0.9rem;
  align-content: center;
  padding: 1.2rem;
  border-right: 1px solid var(--line);
}

.mock-toolbar,
.mock-card,
.mock-table,
.mini-chat {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 14px 44px rgba(0, 0, 0, 0.045);
}

.mock-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 0.9rem;
  color: var(--muted);
  border-radius: 14px;
  font-size: 0.82rem;
}

.mock-toolbar strong {
  color: var(--text);
}

.mock-card {
  padding: 1.1rem;
  border-radius: 18px;
}

.mock-card small,
.mini-chat span {
  display: block;
  margin-bottom: 0.7rem;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.mock-card strong {
  display: block;
  margin-bottom: 0.8rem;
  font-size: clamp(1.35rem, 2vw, 2rem);
  line-height: 1.05;
}

.mock-card p,
.mini-chat p {
  margin: 0;
  color: var(--muted);
  line-height: 1.42;
}

.mock-card-large {
  min-height: 150px;
  background:
    radial-gradient(circle at 90% 0%, rgba(10, 132, 255, 0.16), transparent 12rem),
    rgba(255, 255, 255, 0.86);
}

.mock-table {
  display: grid;
  gap: 0.1rem;
  overflow: hidden;
  border-radius: 18px;
}

.mock-table div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--line);
}

.mock-table div:last-child {
  border-bottom: 0;
}

.mock-table span {
  color: var(--muted);
}

.mock-table strong {
  font-size: 0.9rem;
}

.product-side {
  display: grid;
  gap: 0.8rem;
  padding: 1rem;
  align-content: center;
}

.product-side div {
  padding: 0.95rem 1rem;
  color: var(--text);
  font-weight: 650;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(0, 0, 0, 0.035);
  transform: translateX(0);
  transition: transform 220ms ease, background 220ms ease;
}

.product-side .mini-chat {
  padding: 1rem;
  color: var(--text);
  border-radius: 18px;
  background: var(--surface-white);
}

.mini-chat span,
.mini-chat p {
  color: var(--text-dark);
}

.product-side div:hover {
  transform: translateX(-6px);
  background: rgba(0, 0, 0, 0.07);
}

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 2rem;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  transform: translateX(-50%);
  color: var(--muted);
  opacity: 0.8;
}

.mouse-icon {
  position: relative;
  display: block;
  width: 24px;
  height: 36px;
  border: 1.7px solid currentColor;
  border-radius: 999px;
}

.mouse-wheel {
  position: absolute;
  top: 7px;
  left: 50%;
  width: 3px;
  height: 7px;
  border-radius: 999px;
  background: currentColor;
  transform: translateX(-50%);
  animation: wheel 1.6s ease-in-out infinite;
}

.split {
  grid-template-columns: minmax(0, 0.95fr) minmax(380px, 0.75fr);
  gap: clamp(2.4rem, 6vw, 5rem);
  width: min(100%, var(--max));
  margin-inline: auto;
}

.data-model,
.collab-grid,
.price-card,
.phase-card,
.flow-detail,
.product-window {
  border: 1px solid var(--line);
  background: var(--surface);
  backdrop-filter: blur(28px);
}

.vision-map {
  position: relative;
  display: grid;
  grid-template-columns: 1fr minmax(260px, 0.82fr) 1fr;
  gap: clamp(1rem, 3vw, 2rem);
  align-items: center;
  width: min(100%, var(--max));
  margin: 0 auto;
}

.vision-map::before,
.vision-map::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 18%;
  height: 1px;
  background: var(--line-strong);
}

.vision-map::before {
  left: 28%;
}

.vision-map::after {
  right: 28%;
}

.map-column {
  display: grid;
  gap: 0.7rem;
}

.map-column span,
.map-center small {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.map-column div {
  min-height: 64px;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.8);
  box-shadow: 0 14px 42px rgba(0, 0, 0, 0.04);
  font-weight: 720;
}

.map-column.output div {
  background: rgba(245, 245, 247, 0.92);
}

.map-center {
  position: relative;
  z-index: 2;
  display: grid;
  align-content: center;
  gap: 1.5rem;
  min-height: 360px;
  padding: clamp(1.6rem, 4vw, 2.5rem);
  color: var(--text-dark);
  text-align: center;
  border-radius: 34px;
  background: var(--surface-white);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.16);
}

.map-center small {
  color: rgba(255, 255, 255, 0.62);
}

.map-actions {
  display: grid;
  gap: 0.65rem;
}

.map-actions span {
  display: block;
  padding: 0.9rem 1rem;
  color: var(--text-dark);
  font-size: clamp(1.2rem, 2.2vw, 1.85rem);
  font-weight: 760;
  line-height: 1;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
}

.section-heading {
  margin: 0 auto 2.8rem;
  text-align: center;
}

.section-heading h2,
.section-heading p {
  margin-inline: auto;
}

.metrics-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  width: min(100%, var(--max));
  margin: 0 auto 1rem;
  gap: 1rem;
  border: 0;
  border-radius: 0;
  background: transparent;
  overflow: visible;
}

.metrics-band article {
  min-height: 190px;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.045);
}

.metrics-band strong {
  display: block;
  margin-bottom: 0.6rem;
  font-size: clamp(1.7rem, 3vw, 3rem);
  line-height: 1;
  text-wrap: balance;
}

.metrics-band span {
  color: var(--muted);
  line-height: 1.4;
}

.objective-list,
.architecture,
.architecture-notes,
.portal-grid,
.pricing-grid,
.expansion-grid {
  width: min(100%, var(--max));
  margin-inline: auto;
}

.objective-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.7rem;
}

.objective-item {
  min-height: 108px;
  padding: 1.05rem;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
  transition: transform 220ms ease, background 220ms ease;
}

.objective-item:hover {
  transform: translateY(-5px);
  color: var(--text-dark);
  background: var(--surface-white);
}

.architecture {
  display: grid;
  grid-template-columns: 1fr 32px 1fr 32px 1fr;
  gap: 1rem;
  align-items: center;
  padding: 0;
  border-radius: var(--radius);
  border: 0;
  background: transparent;
  backdrop-filter: none;
}

.arch-layer,
.arch-sources div {
  display: grid;
  align-content: center;
  min-height: 150px;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
}

.arch-layer.featured {
  color: var(--text-dark);
  background: var(--surface-white);
}

.arch-layer span,
.arch-sources div {
  font-size: 1.18rem;
  font-weight: 760;
}

.arch-layer small {
  margin-top: 0.55rem;
  color: var(--muted);
  line-height: 1.4;
}

.arch-layer.featured small {
  color: rgba(255, 255, 255, 0.68);
}

.arch-line {
  height: 1px;
  background: var(--line-strong);
}

.arch-line::after {
  content: "";
  display: block;
  width: 7px;
  height: 7px;
  margin-left: auto;
  border-top: 1.5px solid var(--text);
  border-right: 1.5px solid var(--text);
  transform: translateY(-3px) rotate(45deg);
}

.arch-sources {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.7rem;
}

.arch-sources div {
  min-height: 76px;
  place-items: center;
  text-align: center;
}

.architecture-notes {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.7rem;
  margin-top: 1rem;
}

.architecture-notes span {
  padding: 0.72rem 0.95rem;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
}

.assistant-studio {
  display: grid;
  grid-template-columns: minmax(240px, 0.42fr) minmax(0, 1fr);
  gap: 1rem;
  width: min(100%, var(--max));
  margin: 0 auto;
}

.assistant-menu {
  display: grid;
  gap: 0.5rem;
}

.tab-btn,
.flow-step,
.timeline-step {
  border: 1px solid var(--line);
  color: var(--muted);
  background: rgba(255, 255, 255, 0.74);
  cursor: pointer;
  transition: color 180ms ease, background 180ms ease, transform 180ms ease;
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  min-height: 62px;
  padding: 0 1rem;
  border-radius: 18px;
  text-align: left;
}

.tab-btn:hover,
.tab-btn.active {
  color: var(--text-dark);
  background: var(--surface-white);
  transform: translateY(-1px);
}

.tab-btn span {
  color: inherit;
  font-size: 0.78rem;
  font-weight: 800;
}

.tab-btn strong {
  color: inherit;
}

.assistant-preview {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 26px 80px rgba(0, 0, 0, 0.08);
}

.preview-bar {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 48px;
  padding: 0 1rem;
  border-bottom: 1px solid var(--line);
}

.preview-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.2);
}

.preview-bar strong {
  margin-left: auto;
  color: var(--muted);
  font-size: 0.82rem;
}

.assistant-card {
  min-height: 330px;
  padding: clamp(1.5rem, 5vw, 3rem);
  border-radius: 0;
  background:
    radial-gradient(circle at 88% 8%, rgba(10, 132, 255, 0.12), transparent 16rem),
    #ffffff;
}

.dynamic-card {
  transition:
    opacity 260ms ease,
    transform 260ms ease,
    background 220ms ease;
}

.dynamic-card.is-changing {
  opacity: 0.35;
  transform: translateY(8px) scale(0.985);
}

.assistant-card span {
  display: inline-flex;
  margin-bottom: 5rem;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 800;
}

.assistant-card p {
  color: var(--muted);
  max-width: 680px;
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  line-height: 1.52;
}

.assistant-actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.7rem;
  padding: 1rem;
  border-top: 1px solid var(--line);
}

.assistant-actions div {
  min-height: 72px;
  padding: 0.9rem;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(245, 245, 247, 0.9);
  font-weight: 650;
}

.budget-flow {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
  width: min(100%, var(--max));
  margin: 0 auto 1rem;
}

.flow-step {
  min-height: 96px;
  padding: 1rem;
  border-radius: 18px;
  text-align: left;
}

.flow-step span {
  display: block;
  margin-bottom: 1rem;
  font-size: 0.82rem;
  font-weight: 800;
}

.flow-step:hover,
.flow-step.active,
.timeline-step:hover,
.timeline-step.active {
  color: var(--text-dark);
  background: var(--surface-white);
  transform: translateY(-4px);
}

.flow-detail,
.phase-card {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: clamp(1.35rem, 3vw, 2rem);
  border-radius: var(--radius);
}

.flow-detail span,
.phase-card span {
  display: block;
  margin-bottom: 0.6rem;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

.flow-detail p,
.phase-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.5;
}

.data-model {
  display: grid;
  gap: 0.55rem;
  padding: 0.8rem;
  border-radius: var(--radius);
}

.data-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.72);
}

.data-row span {
  font-weight: 760;
}

.data-row small {
  color: var(--muted);
}

.data-row.base {
  color: var(--text-dark);
  background: var(--surface-white);
}

.data-row.base small {
  color: rgba(255, 255, 255, 0.68);
}

.data-clarity {
  grid-column: 1 / -1;
  width: min(100%, var(--max));
}

.data-clarity article {
  max-width: 820px;
  margin: 0 auto;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  text-align: center;
}

.data-clarity p {
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.5;
}

.portal-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}

.portal-card {
  display: grid;
  place-items: center;
  min-height: 132px;
  padding: 1rem;
  color: var(--text);
  font-size: 1.1rem;
  font-weight: 720;
  text-align: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.72);
  transition: transform 220ms ease, background 220ms ease;
}

.portal-card:hover {
  transform: translateY(-6px);
  background: rgba(0, 0, 0, 0.045);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.7rem;
  width: min(100%, var(--max));
  margin: 0 auto 1rem;
}

.timeline-step {
  min-height: 104px;
  padding: 0.9rem;
  border-radius: 18px;
  text-align: left;
}

.timeline-step span {
  display: block;
  margin-bottom: 0.7rem;
  font-size: 0.78rem;
  font-weight: 800;
}

.note {
  max-width: 780px;
  margin: 1.6rem auto 0;
  color: var(--muted);
  text-align: center;
  line-height: 1.52;
}

.expansion-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.7rem;
}

.expansion-grid div {
  min-height: 118px;
  padding: 1rem;
  color: var(--text);
  font-weight: 720;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 16px 54px rgba(0, 0, 0, 0.045);
}

.evolution-statement {
  width: min(100%, 920px);
  margin: 1rem auto 0;
  padding: clamp(1.2rem, 3vw, 1.8rem);
  color: var(--text-dark);
  font-size: clamp(1.25rem, 2.4vw, 2rem);
  font-weight: 730;
  line-height: 1.18;
  text-align: center;
  border-radius: 24px;
  background: var(--surface-white);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.12);
}

.collab-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.7rem;
  padding: 0.8rem;
  border-radius: var(--radius);
}

.collab-grid div {
  min-height: 92px;
  padding: 1rem;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.72);
}

.closing-quote {
  grid-column: 1 / -1;
  width: min(100%, 980px);
  margin: 0 auto;
  padding-top: 1.4rem;
  color: var(--text);
  font-size: clamp(1.5rem, 3vw, 3rem);
  font-weight: 730;
  line-height: 1.1;
  text-align: center;
  border-top: 1px solid var(--line);
}

.pricing-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.38fr);
  align-items: end;
  gap: 1rem;
}

.price-card {
  padding: clamp(1.45rem, 3vw, 2.2rem);
  border-radius: var(--radius);
}

.primary-price {
  color: var(--text-dark);
  background: var(--surface-white);
  min-height: 520px;
  padding: clamp(2rem, 5vw, 4rem);
}

.price-card span {
  display: block;
  margin-bottom: 1rem;
  color: inherit;
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
}

.price-card strong {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.55rem;
  margin-bottom: 0.7rem;
  font-size: clamp(2.8rem, 6vw, 5.8rem);
  line-height: 0.92;
}

.primary-price strong {
  font-size: clamp(4rem, 9vw, 8rem);
}

.price-card small {
  color: var(--muted-2);
  font-size: 1rem;
}

.price-card p {
  color: var(--muted);
  font-weight: 680;
}

.primary-price p {
  color: rgba(255, 255, 255, 0.72);
}

.price-card ul {
  display: grid;
  gap: 0.62rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.price-card li {
  color: var(--muted);
  line-height: 1.42;
}

.primary-price li {
  color: rgba(255, 255, 255, 0.78);
}

.primary-price small {
  color: rgba(255, 255, 255, 0.66);
}

.maintenance-price {
  width: 100%;
  justify-self: stretch;
  opacity: 0.82;
}

.maintenance-price strong {
  font-size: clamp(2.2rem, 4vw, 4rem);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
  width: min(100%, var(--max));
  margin: 0 auto;
}

.why-card {
  min-height: 220px;
  padding: 1.35rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.055);
  transition: transform 220ms ease, background 220ms ease;
}

.why-card:hover {
  transform: translateY(-6px);
  background: #ffffff;
}

.why-card span {
  display: block;
  margin-bottom: 1.8rem;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.why-card p {
  color: var(--muted);
  line-height: 1.5;
}

.closing {
  text-align: center;
}

.closing-content {
  margin: 0 auto;
}

.closing-content img {
  width: min(220px, 44vw);
  margin-bottom: 2.4rem;
}

.closing-content h2 {
  margin-inline: auto;
}

.closing-content p {
  margin-inline: auto;
}

.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 850ms cubic-bezier(0.16, 1, 0.3, 1), transform 850ms cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: 90ms; }
.delay-2 { transition-delay: 180ms; }
.delay-3 { transition-delay: 270ms; }

@keyframes wheel {
  0%, 100% {
    transform: translate(-50%, 0);
    opacity: 0.35;
  }
  50% {
    transform: translate(-50%, 8px);
    opacity: 1;
  }
}

@media (max-width: 1040px) {
  .hero,
  .split,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .hero-content,
  .copy-block {
    width: 100%;
  }

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

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

  .arch-line {
    width: 1px;
    height: 28px;
    margin: 0 auto;
  }

  .arch-line::after {
    margin-top: 20px;
    margin-left: -3px;
    transform: rotate(135deg);
  }

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

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

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

  .vision-map,
  .assistant-studio {
    grid-template-columns: 1fr;
  }

  .vision-map::before,
  .vision-map::after {
    display: none;
  }

  .map-center {
    min-height: 280px;
    order: -1;
  }

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

@media (max-width: 820px) {
  :root {
    --nav-h: 66px;
  }

  .nav-toggle {
    display: block;
  }

  .main-nav {
    position: fixed;
    top: calc(var(--nav-h) + 0.7rem);
    left: 1rem;
    right: 1rem;
    display: grid;
    padding: 0.7rem;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: var(--shadow);
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;
    transition: opacity 180ms ease, transform 180ms ease;
  }

  .nav-open .main-nav {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .slide-index {
    display: none;
  }

  .slide {
    min-height: auto;
    padding-block: calc(var(--nav-h) + 3rem) 4rem;
  }

  .product-grid,
  .metrics-band,
  .objective-list,
  .portal-grid,
  .expansion-grid,
  .arch-sources,
  .collab-grid,
  .budget-flow,
  .assistant-menu,
  .assistant-actions,
  .why-grid {
    grid-template-columns: 1fr;
  }

  .product-main {
    min-height: 300px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .primary-price {
    min-height: auto;
  }

  .maintenance-price {
    justify-self: stretch;
    opacity: 1;
  }

  .metrics-band article {
    min-height: auto;
  }
}

@media (max-width: 560px) {
  .brand {
    width: 118px;
  }

  .topbar {
    padding-inline: 1rem;
  }

  .main-nav {
    gap: 0.15rem;
  }

  .main-nav a {
    padding: 0.85rem 0.9rem;
    font-size: 1rem;
  }

  .slide {
    padding: calc(var(--nav-h) + 2.4rem) 1rem 3.2rem;
  }

  .hero {
    gap: 2rem;
    min-height: 100vh;
    padding-bottom: 4.4rem;
  }

  .kicker {
    margin-bottom: 0.85rem;
    font-size: 0.7rem;
    letter-spacing: 0.09em;
  }

  h1 {
    max-width: 9ch;
    font-size: clamp(3.1rem, 16vw, 4.35rem);
    line-height: 0.9;
  }

  h2 {
    font-size: clamp(2.25rem, 11vw, 3.15rem);
    line-height: 0.96;
  }

  h3 {
    font-size: 1.35rem;
  }

  .hero-lead,
  .copy-block p,
  .section-heading p:not(.kicker),
  .closing-content p {
    font-size: 1.04rem;
    line-height: 1.48;
  }

  .section-heading {
    margin-bottom: 1.6rem;
    text-align: left;
  }

  .section-heading h2,
  .section-heading p {
    margin-left: 0;
    margin-right: 0;
  }

  .hero-content {
    text-align: left;
  }

  .product-window {
    min-height: auto;
    border-radius: 24px;
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.08);
  }

  .window-bar {
    height: 40px;
    padding-inline: 0.8rem;
  }

  .window-bar span,
  .preview-bar span {
    width: 8px;
    height: 8px;
  }

  .window-bar strong {
    font-size: 0.72rem;
  }

  .product-main {
    min-height: auto;
    padding: 0.85rem;
  }

  .mock-toolbar,
  .mock-card,
  .mock-table {
    border-radius: 16px;
  }

  .mock-card-large {
    min-height: auto;
  }

  .mock-card {
    padding: 0.95rem;
  }

  .mock-card small,
  .mini-chat span {
    margin-bottom: 0.55rem;
    font-size: 0.68rem;
  }

  .mock-card strong {
    font-size: 1.3rem;
  }

  .mock-card p,
  .mini-chat p {
    font-size: 0.92rem;
  }

  .mock-table div {
    padding: 0.75rem 0.85rem;
  }

  .product-side {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.55rem;
    padding: 0.85rem;
  }

  .product-side .mini-chat {
    grid-column: 1 / -1;
  }

  .product-side div {
    padding: 0.8rem;
    font-size: 0.88rem;
    border-radius: 14px;
  }

  .scroll-cue {
    bottom: 1.25rem;
    transform: translateX(-50%) scale(0.86);
  }

  .vision-map {
    gap: 0.8rem;
  }

  .map-center {
    min-height: 230px;
    padding: 1.25rem;
    border-radius: 26px;
  }

  .map-actions {
    gap: 0.5rem;
  }

  .map-actions span {
    padding: 0.78rem 0.8rem;
    font-size: 1.18rem;
  }

  .map-column {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.55rem;
  }

  .map-column span {
    grid-column: 1 / -1;
  }

  .map-column div {
    min-height: 58px;
    padding: 0.85rem;
    border-radius: 15px;
    font-size: 0.92rem;
  }

  .metrics-band,
  .objective-list,
  .architecture,
  .portal-grid,
  .expansion-grid,
  .timeline,
  .why-grid {
    gap: 0.65rem;
  }

  .metrics-band article,
  .objective-item,
  .expansion-grid div,
  .arch-layer,
  .arch-sources div,
  .portal-card,
  .why-card {
    border-radius: 18px;
  }

  .metrics-band article {
    padding: 1.1rem;
  }

  .metrics-band strong {
    font-size: 1.55rem;
  }

  .objective-item,
  .expansion-grid div,
  .portal-card {
    min-height: 92px;
    padding: 0.95rem;
    text-align: left;
    place-items: start;
    align-content: center;
  }

  .arch-layer {
    min-height: 112px;
    padding: 1rem;
  }

  .arch-line {
    height: 22px;
  }

  .arch-sources div {
    min-height: 62px;
  }

  .architecture-notes {
    justify-content: flex-start;
  }

  .architecture-notes span {
    padding: 0.62rem 0.78rem;
    font-size: 0.9rem;
  }

  .assistant-studio {
    gap: 0.8rem;
  }

  .assistant-menu {
    display: flex;
    gap: 0.55rem;
    overflow-x: auto;
    padding: 0 0.1rem 0.35rem;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
  }

  .assistant-menu::-webkit-scrollbar {
    display: none;
  }

  .tab-btn {
    flex: 0 0 auto;
    min-width: 152px;
    min-height: 54px;
    border-radius: 999px;
    scroll-snap-align: start;
  }

  .assistant-preview {
    border-radius: 24px;
  }

  .preview-bar {
    min-height: 42px;
  }

  .assistant-card {
    min-height: 260px;
    padding: 1.2rem;
  }

  .assistant-card span {
    margin-bottom: 3rem;
  }

  .assistant-card p {
    font-size: 1.05rem;
  }

  .assistant-actions {
    padding: 0.85rem;
    gap: 0.55rem;
  }

  .assistant-actions div {
    min-height: auto;
    padding: 0.78rem;
    border-radius: 14px;
    font-size: 0.92rem;
  }

  .flow-step,
  .timeline-step {
    min-height: auto;
    padding: 0.9rem;
    border-radius: 16px;
  }

  .flow-step span,
  .timeline-step span {
    display: inline-block;
    margin: 0 0.55rem 0 0;
  }

  .flow-detail,
  .phase-card,
  .data-model,
  .collab-grid,
  .price-card {
    border-radius: 20px;
  }

  .flow-detail,
  .phase-card {
    padding: 1.1rem;
  }

  .data-row {
    display: grid;
    gap: 0.28rem;
    padding: 0.9rem;
    border-radius: 14px;
  }

  .data-clarity article {
    text-align: left;
  }

  .collab-grid {
    padding: 0.7rem;
  }

  .collab-grid div {
    min-height: auto;
    padding: 0.95rem;
  }

  .closing-quote {
    padding-top: 1rem;
    font-size: 1.55rem;
    text-align: left;
  }

  .evolution-statement {
    padding: 1.1rem;
    font-size: 1.35rem;
    text-align: left;
    border-radius: 20px;
  }

  .primary-price {
    padding: 1.35rem;
    border-radius: 24px;
  }

  .price-card strong {
    font-size: clamp(2.55rem, 13vw, 3.8rem);
    line-height: 0.95;
  }

  .primary-price strong {
    font-size: clamp(3rem, 16vw, 4.9rem);
  }

  .price-card small {
    width: 100%;
    font-size: 0.9rem;
  }

  .price-card ul {
    gap: 0.55rem;
    margin-top: 1.2rem;
  }

  .maintenance-price {
    opacity: 1;
  }

  .why-card {
    min-height: auto;
    padding: 1rem;
  }

  .why-card span {
    margin-bottom: 1.2rem;
  }

  .closing-content img {
    width: min(180px, 52vw);
    margin-bottom: 1.6rem;
  }
}

@media (max-width: 390px) {
  .slide {
    padding-left: 0.85rem;
    padding-right: 0.85rem;
  }

  h1 {
    font-size: 2.9rem;
  }

  h2 {
    font-size: 2.05rem;
  }

  .product-side {
    grid-template-columns: 1fr;
  }

  .map-column {
    grid-template-columns: 1fr;
  }

  .tab-btn {
    min-width: 138px;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}