:root {
  --navy-950: #08111f;
  --navy-900: #0b1628;
  --navy-850: #102038;
  --navy-800: #152843;
  --blue-700: #255bd7;
  --blue-600: #3472f2;
  --blue-500: #5c8cff;
  --blue-200: #cddcff;
  --blue-100: #e8efff;
  --ink-900: #121a27;
  --ink-800: #202b3c;
  --ink-700: #39465a;
  --ink-600: #56647a;
  --ink-500: #768195;
  --paper: #f7f5ef;
  --ivory: #f1eee5;
  --white: #ffffff;
  --line: rgba(18, 26, 39, 0.13);
  --line-dark: rgba(255, 255, 255, 0.13);
  --green: #32c48d;
  --amber: #edb34f;
  --red: #e05f65;
  --shell: min(1180px, calc(100vw - 48px));
  --radius-small: 10px;
  --radius-medium: 18px;
  --radius-large: 28px;
  --shadow-soft: 0 24px 70px rgba(18, 26, 39, 0.10);
  --shadow-dark: 0 30px 80px rgba(0, 0, 0, 0.30);
  --transition: 180ms ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  background: var(--navy-950);
}

html[data-lang="ko"] [data-language="en"] {
  display: none !important;
}

html[data-lang="en"] [data-language="ko"] {
  display: none !important;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: clip;
  color: var(--ink-900);
  background: var(--paper);
  font-family: Inter, Pretendard, "Noto Sans KR", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

button,
input,
textarea {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

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

img,
svg {
  max-width: 100%;
}

p,
h1,
h2,
h3,
blockquote,
dl,
dd {
  margin: 0;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

button {
  color: inherit;
}

::selection {
  color: var(--white);
  background: var(--blue-600);
}

:focus-visible {
  outline: 3px solid var(--blue-500);
  outline-offset: 4px;
}

.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;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 10px 14px;
  color: var(--white);
  background: var(--blue-700);
  border-radius: 8px;
  transform: translateY(-160%);
  transition: transform var(--transition);
}

.skip-link:focus {
  transform: translateY(0);
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.93rem;
  font-weight: 760;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: transform var(--transition), background-color var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition);
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: var(--white);
  background: var(--blue-600);
  box-shadow: 0 12px 30px rgba(52, 114, 242, 0.28);
}

.button-primary:hover {
  background: #2c66df;
  box-shadow: 0 16px 38px rgba(52, 114, 242, 0.34);
}

.button-ghost {
  color: rgba(255, 255, 255, 0.84);
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.18);
}

.button-ghost:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.28);
}

.button-dark {
  color: var(--white);
  background: var(--navy-900);
}

.button-dark:hover {
  background: var(--blue-700);
}

.button-small {
  min-height: 40px;
  padding-inline: 17px;
  font-size: 0.84rem;
}

.button-full {
  width: 100%;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  color: var(--white);
  border-bottom: 1px solid transparent;
  transition: background-color var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.site-header.is-scrolled {
  background: rgba(8, 17, 31, 0.88);
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.14);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 78px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-width: 235px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  aspect-ratio: 1;
  flex: 0 0 auto;
  color: var(--white);
  background: linear-gradient(145deg, var(--blue-600), #789bff);
  border-radius: 11px;
  font-size: 0.72rem;
  font-weight: 860;
  letter-spacing: -0.03em;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.26), 0 8px 22px rgba(52, 114, 242, 0.26);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-copy strong {
  font-size: 0.84rem;
  font-weight: 820;
  letter-spacing: 0.09em;
}

.brand-copy small {
  margin-top: 5px;
  color: rgba(255, 255, 255, 0.54);
  font-size: 0.67rem;
  letter-spacing: 0.02em;
}

.primary-navigation {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
}

.primary-navigation a {
  position: relative;
  color: rgba(255, 255, 255, 0.70);
  font-size: 0.84rem;
  font-weight: 650;
  transition: color var(--transition);
}

.primary-navigation a::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 1px;
  content: "";
  background: var(--blue-500);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition);
}

.primary-navigation a:hover {
  color: var(--white);
}

.primary-navigation a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.language-switch {
  display: flex;
  align-items: center;
  gap: 5px;
  color: rgba(255, 255, 255, 0.35);
  font-size: 0.72rem;
}

.language-switch button {
  padding: 4px 2px;
  color: rgba(255, 255, 255, 0.48);
  background: transparent;
  border: 0;
  font-size: 0.72rem;
  font-weight: 760;
  cursor: pointer;
  transition: color var(--transition);
}

.language-switch button[aria-pressed="true"],
.language-switch button:hover {
  color: var(--white);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 10px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 11px;
  cursor: pointer;
}

.menu-toggle > span:not(.sr-only) {
  display: block;
  height: 1px;
  margin: 6px 0;
  background: var(--white);
  transition: transform var(--transition);
}

.hero {
  position: relative;
  min-height: 900px;
  padding: 156px 0 102px;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 76% 28%, rgba(52, 114, 242, 0.18), transparent 30%),
    radial-gradient(circle at 24% 98%, rgba(72, 130, 255, 0.10), transparent 32%),
    linear-gradient(145deg, var(--navy-950) 0%, #0c1a2f 54%, #0a1526 100%);
}

.hero::before {
  position: absolute;
  inset: auto -10% -380px;
  height: 500px;
  content: "";
  background: var(--paper);
  border-radius: 50% 50% 0 0 / 28% 28% 0 0;
  transform: rotate(-1.4deg);
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.18;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.8), transparent 88%);
}

.hero-layout {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(560px, 1.14fr);
  align-items: center;
  gap: 74px;
}

.eyebrow,
.section-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--blue-500);
  font-size: 0.73rem;
  font-weight: 820;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow-dot {
  width: 7px;
  height: 7px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 0 6px rgba(50, 196, 141, 0.10);
}

.hero h1 {
  max-width: 720px;
  margin-top: 24px;
  font-size: clamp(3.4rem, 5.4vw, 5.9rem);
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: -0.065em;
}

.hero h1 em {
  color: var(--blue-500);
  font-style: normal;
}

.hero-description {
  max-width: 610px;
  margin-top: 30px;
  color: rgba(255, 255, 255, 0.68);
  font-size: clamp(1.04rem, 1.6vw, 1.18rem);
  line-height: 1.78;
  letter-spacing: -0.02em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 38px;
}

.founder-badge {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 40px;
}

.founder-monogram {
  display: grid;
  place-items: center;
  width: 44px;
  aspect-ratio: 1;
  flex: 0 0 auto;
  color: var(--navy-900);
  background: var(--paper);
  border: 5px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  font-family: Georgia, serif;
  font-size: 1.1rem;
  font-weight: 700;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.25);
}

.founder-badge p {
  display: flex;
  flex-direction: column;
  line-height: 1.45;
}

.founder-badge strong {
  font-size: 0.88rem;
  font-weight: 760;
}

.founder-badge p > span {
  color: rgba(255, 255, 255, 0.46);
  font-size: 0.74rem;
}

.hero-product {
  position: relative;
  z-index: 2;
}

.product-frame {
  overflow: hidden;
  color: var(--ink-900);
  background: #edf1f8;
  border: 1px solid rgba(255, 255, 255, 0.19);
  border-radius: 18px;
  box-shadow: var(--shadow-dark);
  transform: perspective(1400px) rotateY(-2.8deg) rotateX(1.5deg);
  transform-origin: center;
}

.product-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 48px;
  padding: 0 17px;
  color: rgba(255, 255, 255, 0.62);
  background: #172238;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.67rem;
  font-weight: 720;
  letter-spacing: 0.03em;
}

.window-dots {
  display: flex;
  gap: 5px;
}

.window-dots span {
  width: 7px;
  height: 7px;
  background: rgba(255, 255, 255, 0.26);
  border-radius: 50%;
}

.product-name {
  margin-right: auto;
}

.product-status {
  display: flex;
  align-items: center;
  gap: 7px;
  color: rgba(255, 255, 255, 0.72);
}

.status-dot {
  width: 6px;
  height: 6px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(50, 196, 141, 0.12);
}

.product-body {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  min-height: 530px;
}

.case-sidebar {
  padding: 20px 13px;
  background: #e8edf5;
  border-right: 1px solid rgba(18, 26, 39, 0.08);
}

.mini-label {
  color: var(--ink-500);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.source-item {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 10px;
  padding: 10px 9px;
  border: 1px solid transparent;
  border-radius: 9px;
}

.source-item.active {
  background: var(--white);
  border-color: rgba(37, 91, 215, 0.12);
  box-shadow: 0 6px 18px rgba(18, 26, 39, 0.05);
}

.file-icon {
  display: grid;
  place-items: center;
  width: 30px;
  height: 34px;
  flex: 0 0 auto;
  color: var(--blue-700);
  background: var(--blue-100);
  border-radius: 5px;
  font-size: 0.48rem;
  font-weight: 850;
}

.source-item > span:last-child {
  display: flex;
  min-width: 0;
  flex-direction: column;
  line-height: 1.25;
}

.source-item strong {
  overflow: hidden;
  font-size: 0.62rem;
  font-weight: 730;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.source-item small {
  margin-top: 4px;
  color: var(--ink-500);
  font-size: 0.51rem;
}

.source-add {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: center;
  gap: 5px;
  margin-top: 14px;
  padding: 8px;
  color: var(--ink-600);
  background: transparent;
  border: 1px dashed rgba(18, 26, 39, 0.17);
  border-radius: 8px;
  font-size: 0.56rem;
}

.case-canvas {
  padding: 28px 30px 30px;
  background: #f8fafc;
}

.canvas-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.canvas-heading h2 {
  margin-top: 6px;
  font-size: 1.1rem;
  font-weight: 760;
  letter-spacing: -0.035em;
}

.confidence {
  padding: 5px 9px;
  color: #187b5b;
  background: #dff7ed;
  border: 1px solid #c8eddf;
  border-radius: 999px;
  font-size: 0.58rem;
  font-weight: 840;
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 19px;
}

.data-grid > div {
  padding: 11px 12px;
  background: var(--white);
  border: 1px solid rgba(18, 26, 39, 0.08);
  border-radius: 8px;
}

.data-grid dt {
  color: var(--ink-500);
  font-size: 0.52rem;
  font-weight: 700;
}

.data-grid dd {
  margin-top: 3px;
  font-size: 0.68rem;
  font-weight: 740;
}

.attention-card {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 13px;
  padding: 11px 12px;
  background: #fff7e7;
  border: 1px solid #f2dfb6;
  border-radius: 8px;
}

.attention-icon {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  color: #8a5a0b;
  background: #ffe4a8;
  border-radius: 50%;
  font-size: 0.66rem;
  font-weight: 900;
}

.attention-card strong {
  display: block;
  font-size: 0.61rem;
}

.attention-card p {
  margin-top: 2px;
  color: #796035;
  font-size: 0.53rem;
}

.draft-progress {
  margin-top: 15px;
  padding: 15px;
  background: var(--white);
  border: 1px solid rgba(18, 26, 39, 0.08);
  border-radius: 9px;
}

.progress-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.6rem;
  font-weight: 760;
}

.progress-heading strong {
  color: var(--blue-700);
}

.progress-track {
  height: 5px;
  margin-top: 10px;
  overflow: hidden;
  background: #e8edf5;
  border-radius: 999px;
}

.progress-track span {
  display: block;
  width: 80%;
  height: 100%;
  background: linear-gradient(90deg, var(--blue-600), #6e9aff);
  border-radius: inherit;
}

.draft-progress ul {
  display: grid;
  gap: 6px;
  margin-top: 11px;
}

.draft-progress li {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--ink-600);
  font-size: 0.55rem;
}

.draft-progress li > span:first-child {
  display: grid;
  place-items: center;
  width: 15px;
  height: 15px;
  color: #197555;
  background: #dff7ed;
  border-radius: 50%;
  font-size: 0.48rem;
  font-weight: 900;
}

.draft-progress li.pending > span:first-child {
  color: var(--ink-500);
  background: #eef1f5;
}

.mockup-note {
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.35);
  font-size: 0.66rem;
  text-align: right;
}

.trust-strip {
  position: relative;
  z-index: 3;
  padding: 30px 0 38px;
  background: var(--paper);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.trust-grid > div {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 102px;
  padding: 20px 26px;
  border-right: 1px solid var(--line);
}

.trust-grid > div:last-child {
  border-right: 0;
}

.trust-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  color: var(--blue-700);
  background: var(--blue-100);
  border-radius: 50%;
  font-size: 0.67rem;
  font-weight: 850;
}

.trust-grid p {
  display: flex;
  flex-direction: column;
  line-height: 1.45;
}

.trust-grid strong {
  font-size: 0.86rem;
  font-weight: 780;
}

.trust-grid p > span {
  color: var(--ink-500);
  font-size: 0.72rem;
}

.section {
  position: relative;
  padding: 132px 0;
}

.section-ivory {
  background: var(--ivory);
}

.section-paper {
  background: var(--paper);
}

.section-dark {
  color: var(--white);
  background:
    radial-gradient(circle at 10% 10%, rgba(52, 114, 242, 0.10), transparent 28%),
    linear-gradient(135deg, var(--navy-950), #0d1b30);
}

.section-blueprint {
  overflow: hidden;
  color: var(--white);
  background: var(--blue-700);
}

.section-blueprint::before {
  position: absolute;
  inset: 0;
  content: "";
  opacity: 0.18;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.10) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.10) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(90deg, rgba(0,0,0,0.9), transparent 92%);
}

.section-founder {
  background: #e9e4d8;
}

.section-pilot {
  color: var(--white);
  background:
    radial-gradient(circle at 76% 32%, rgba(92, 140, 255, 0.18), transparent 24%),
    var(--navy-950);
}

.split-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 0.65fr);
  gap: 120px;
  align-items: end;
}

.section h2 {
  margin-top: 18px;
  font-size: clamp(2.6rem, 4.3vw, 4.7rem);
  font-weight: 690;
  line-height: 1.08;
  letter-spacing: -0.055em;
}

.section-intro {
  padding-bottom: 4px;
}

.section-intro p,
.section-heading > p,
.workspace-copy > p,
.principles-heading > p,
.founder-story > p,
.pilot-copy > p {
  color: var(--ink-600);
  font-size: 1rem;
  line-height: 1.82;
  letter-spacing: -0.015em;
}

.section-intro p + p {
  margin-top: 16px;
  color: var(--ink-800);
  font-weight: 650;
}

.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 72px;
}

.pain-card {
  position: relative;
  min-height: 280px;
  padding: 34px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(18, 26, 39, 0.10);
  border-radius: var(--radius-medium);
  transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition);
}

.pain-card::after {
  position: absolute;
  right: -28px;
  bottom: -45px;
  width: 130px;
  height: 130px;
  content: "";
  background: var(--blue-100);
  border-radius: 50%;
  opacity: 0.65;
}

.pain-card:hover {
  background: var(--white);
  box-shadow: var(--shadow-soft);
  transform: translateY(-5px);
}

.pain-number {
  color: var(--blue-700);
  font-size: 0.68rem;
  font-weight: 850;
  letter-spacing: 0.08em;
}

.pain-card h3 {
  max-width: 280px;
  margin-top: 56px;
  font-size: 1.34rem;
  line-height: 1.35;
  letter-spacing: -0.03em;
}

.pain-card p {
  position: relative;
  z-index: 1;
  margin-top: 15px;
  color: var(--ink-600);
  font-size: 0.86rem;
  line-height: 1.78;
}

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

.section-heading.centered {
  margin-inline: auto;
  text-align: center;
}

.section-heading.centered .section-kicker {
  justify-content: center;
}

.section-dark .section-heading > p {
  max-width: 650px;
  margin: 24px auto 0;
  color: rgba(255, 255, 255, 0.58);
}

.workflow-list {
  margin-top: 72px;
  border-top: 1px solid var(--line-dark);
}

.workflow-step {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr) auto;
  align-items: center;
  gap: 34px;
  min-height: 148px;
  padding: 28px 18px;
  border-bottom: 1px solid var(--line-dark);
  transition: background-color var(--transition), padding var(--transition);
}

.workflow-step:hover {
  padding-inline: 28px;
  background: rgba(255, 255, 255, 0.035);
}

.workflow-step.emphasized {
  background: rgba(52, 114, 242, 0.12);
}

.step-index {
  color: rgba(255, 255, 255, 0.34);
  font-family: Georgia, serif;
  font-size: 2.1rem;
}

.workflow-step h3 {
  font-size: 1.24rem;
  font-weight: 720;
  letter-spacing: -0.025em;
}

.workflow-step p {
  max-width: 720px;
  margin-top: 9px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.88rem;
  line-height: 1.72;
}

.step-tag {
  padding: 7px 11px;
  color: var(--blue-200);
  border: 1px solid rgba(92, 140, 255, 0.28);
  border-radius: 999px;
  font-size: 0.58rem;
  font-weight: 850;
  letter-spacing: 0.11em;
}

.workspace-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(480px, 1.22fr);
  align-items: center;
  gap: 110px;
}

.workspace-copy > p {
  margin-top: 24px;
}

.feature-checks {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 13px 18px;
  margin-top: 34px;
}

.feature-checks li {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--ink-700);
  font-size: 0.82rem;
  font-weight: 650;
}

.feature-checks li > span:first-child {
  display: grid;
  place-items: center;
  width: 21px;
  height: 21px;
  flex: 0 0 auto;
  color: #1a7b5a;
  background: #dff7ed;
  border-radius: 50%;
  font-size: 0.63rem;
  font-weight: 900;
}

.document-stack {
  position: relative;
  min-height: 560px;
}

.document-card {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(470px, 92%);
  min-height: 460px;
  padding: 36px;
  background: var(--white);
  border: 1px solid rgba(18, 26, 39, 0.10);
  border-radius: 13px;
  box-shadow: var(--shadow-soft);
}

.document-card-back {
  opacity: 0.48;
  transform: translate(-57%, -56%) rotate(-9deg);
}

.document-card-middle {
  opacity: 0.74;
  transform: translate(-45%, -50%) rotate(6deg);
}

.document-card-front {
  z-index: 2;
  transform: translate(-50%, -50%);
}

.document-header {
  display: flex;
  justify-content: space-between;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.document-header span:first-child {
  width: 110px;
  height: 10px;
  background: #d8dee8;
  border-radius: 99px;
}

.document-header span:last-child {
  width: 46px;
  height: 10px;
  background: #e8ecf2;
  border-radius: 99px;
}

.document-lines {
  display: grid;
  gap: 18px;
  margin-top: 36px;
}

.document-lines i {
  display: block;
  width: 100%;
  height: 8px;
  background: #e3e7ed;
  border-radius: 99px;
}

.document-lines i:nth-child(2) { width: 78%; }
.document-lines i:nth-child(4) { width: 88%; }
.document-lines i:nth-child(5) { width: 64%; }

.document-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--ink-500);
  font-size: 0.68rem;
}

.doc-badge {
  padding: 6px 10px;
  color: var(--blue-700);
  background: var(--blue-100);
  border-radius: 999px;
  font-weight: 750;
}

.document-card-front h3 {
  margin-top: 28px;
  padding-bottom: 22px;
  border-bottom: 2px solid var(--ink-900);
  font-size: 1.35rem;
  letter-spacing: -0.04em;
}

.document-card-front dl {
  margin-top: 12px;
}

.document-card-front dl > div {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  min-height: 66px;
  border-bottom: 1px solid var(--line);
}

.document-card-front dt {
  color: var(--ink-500);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.62rem;
}

.document-card-front dd {
  font-size: 0.77rem;
  font-weight: 650;
}

.linked-value {
  padding: 5px 8px;
  color: var(--blue-700);
  background: var(--blue-100);
  border-radius: 5px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.57rem;
  font-weight: 760;
}

.document-footer {
  display: flex;
  gap: 10px;
  margin-top: 24px;
  padding: 14px;
  color: var(--ink-600);
  background: #f3f6fa;
  border-radius: 8px;
  font-size: 0.68rem;
  line-height: 1.6;
}

.use-case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 62px;
}

.use-case-card {
  min-height: 460px;
  padding: 34px;
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid var(--line);
  border-radius: var(--radius-medium);
  transition: transform var(--transition), box-shadow var(--transition);
}

.use-case-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-soft);
}

.use-case-card.featured {
  color: var(--white);
  background: var(--navy-900);
  border-color: transparent;
}

.case-card-top {
  display: flex;
  min-height: 52px;
  align-items: flex-start;
  justify-content: space-between;
}

.case-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  color: var(--blue-700);
  background: var(--blue-100);
  border-radius: 13px;
  font-family: Georgia, serif;
  font-size: 1.2rem;
  font-weight: 700;
}

.featured .case-icon {
  color: var(--white);
  background: var(--blue-600);
}

.case-status {
  padding: 6px 9px;
  color: var(--green);
  border: 1px solid rgba(50, 196, 141, 0.30);
  border-radius: 999px;
  font-size: 0.54rem;
  font-weight: 850;
  letter-spacing: 0.09em;
}

.use-case-card h3 {
  margin-top: 48px;
  font-size: 1.42rem;
  line-height: 1.3;
  letter-spacing: -0.035em;
}

.use-case-card p {
  margin-top: 16px;
  color: var(--ink-600);
  font-size: 0.86rem;
  line-height: 1.75;
}

.use-case-card.featured p {
  color: rgba(255, 255, 255, 0.58);
}

.use-case-card ul {
  display: grid;
  gap: 10px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.use-case-card.featured ul {
  border-color: var(--line-dark);
}

.use-case-card li {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--ink-700);
  font-size: 0.75rem;
  font-weight: 650;
}

.use-case-card li::before {
  width: 5px;
  height: 5px;
  content: "";
  background: var(--blue-600);
  border-radius: 50%;
}

.use-case-card.featured li {
  color: rgba(255, 255, 255, 0.75);
}

.principles-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 0.88fr);
  gap: 110px;
  align-items: start;
}

.principles-heading {
  position: sticky;
  top: 130px;
}

.principles-heading .section-kicker {
  color: var(--blue-200);
}

.principles-heading > p {
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.68);
}

.principles-list {
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}

.principles-list article {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 20px;
  min-height: 175px;
  padding: 30px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
}

.principles-list article > span {
  color: rgba(255, 255, 255, 0.48);
  font-family: Georgia, serif;
  font-size: 1.25rem;
}

.principles-list h3 {
  font-size: 1.18rem;
  letter-spacing: -0.025em;
}

.principles-list p {
  margin-top: 11px;
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.84rem;
  line-height: 1.74;
}

.founder-layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.7fr) minmax(0, 1fr);
  gap: 120px;
  align-items: center;
}

.founder-seal {
  position: relative;
  display: grid;
  place-items: center;
  width: min(390px, 90%);
  aspect-ratio: 1;
  margin-inline: auto;
  color: var(--navy-900);
  border: 1px solid rgba(18, 26, 39, 0.22);
  border-radius: 50%;
}

.founder-seal::before,
.founder-seal::after {
  position: absolute;
  content: "";
  border: 1px solid rgba(18, 26, 39, 0.12);
  border-radius: 50%;
}

.founder-seal::before { inset: 24px; }
.founder-seal::after { inset: 68px; }

.founder-seal strong {
  z-index: 1;
  font-family: Georgia, serif;
  font-size: 7rem;
  font-weight: 400;
}

.seal-ring {
  position: absolute;
  top: 38px;
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.founder-story .section-kicker {
  color: var(--blue-700);
}

.founder-story .founder-lead {
  margin-top: 28px;
  color: var(--ink-800);
  font-size: 1.12rem;
  font-weight: 720;
  line-height: 1.72;
}

.founder-story > p:not(.section-kicker):not(.founder-lead) {
  margin-top: 18px;
}

.founder-story blockquote {
  margin-top: 32px;
  padding: 22px 26px;
  color: var(--navy-900);
  background: rgba(255, 255, 255, 0.52);
  border-left: 3px solid var(--blue-700);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.65;
}

.pilot-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(420px, 0.72fr);
  gap: 100px;
  align-items: start;
}

.pilot-copy .section-kicker {
  color: var(--blue-500);
}

.pilot-copy > p {
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.59);
}

.pilot-facts {
  display: grid;
  gap: 12px;
  margin-top: 38px;
}

.pilot-facts > div {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-dark);
}

.pilot-facts strong {
  color: var(--blue-500);
  font-family: Georgia, serif;
  font-size: 1.15rem;
}

.pilot-facts span {
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.82rem;
  font-weight: 650;
}

.pilot-form {
  padding: 34px;
  color: var(--ink-900);
  background: var(--white);
  border-radius: var(--radius-large);
  box-shadow: var(--shadow-dark);
}

.form-heading {
  margin-bottom: 26px;
}

.form-heading h3 {
  font-size: 1.42rem;
  letter-spacing: -0.035em;
}

.form-heading p {
  margin-top: 7px;
  color: var(--ink-500);
  font-size: 0.72rem;
  line-height: 1.6;
}

.pilot-form label {
  display: block;
  margin-top: 15px;
}

.pilot-form label > span {
  display: block;
  margin-bottom: 7px;
  color: var(--ink-700);
  font-size: 0.73rem;
  font-weight: 720;
}

.pilot-form input,
.pilot-form textarea {
  width: 100%;
  padding: 12px 13px;
  color: var(--ink-900);
  background: #f7f8fa;
  border: 1px solid rgba(18, 26, 39, 0.13);
  border-radius: 9px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background-color var(--transition);
}

.pilot-form textarea {
  resize: vertical;
  min-height: 110px;
}

.pilot-form input:focus,
.pilot-form textarea:focus {
  background: var(--white);
  border-color: var(--blue-600);
  box-shadow: 0 0 0 4px rgba(52, 114, 242, 0.11);
}

.pilot-form input[aria-invalid="true"],
.pilot-form textarea[aria-invalid="true"] {
  border-color: var(--red);
}

.pilot-form .button {
  margin-top: 22px;
}

.form-status {
  min-height: 22px;
  margin-top: 12px;
  color: var(--red);
  font-size: 0.72rem;
  text-align: center;
}

.direct-contact {
  margin-top: 12px;
  color: var(--ink-500);
  font-size: 0.7rem;
  text-align: center;
}

.direct-contact a {
  color: var(--blue-700);
  font-weight: 700;
}

.site-footer {
  color: rgba(255, 255, 255, 0.64);
  background: #050b14;
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding-block: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.10);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-brand strong {
  color: var(--white);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

.footer-brand p {
  margin-top: 2px;
  font-size: 0.66rem;
}

.footer-top nav {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-top nav a {
  font-size: 0.74rem;
  transition: color var(--transition);
}

.footer-top nav a:hover {
  color: var(--white);
}

.footer-bottom {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 50px;
  padding-block: 28px 42px;
  color: rgba(255, 255, 255, 0.36);
  font-size: 0.65rem;
  line-height: 1.65;
}

.footer-bottom p:first-child {
  max-width: 800px;
}

.footer-bottom p:last-child {
  white-space: nowrap;
}

.noscript-banner {
  position: fixed;
  right: 12px;
  bottom: 12px;
  left: 12px;
  z-index: 200;
  padding: 11px 14px;
  color: var(--white);
  background: #a13d42;
  border-radius: 8px;
  font-size: 0.76rem;
  text-align: center;
}

.reveal-ready [data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal-ready [data-reveal][data-reveal-delay="1"] {
  transition-delay: 100ms;
}

.reveal-ready [data-reveal][data-reveal-delay="2"] {
  transition-delay: 190ms;
}

.reveal-ready [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1120px) {
  :root {
    --shell: min(100% - 40px, 1020px);
  }

  .primary-navigation {
    gap: 19px;
  }

  .brand {
    min-width: auto;
  }

  .brand-copy small {
    display: none;
  }

  .hero-layout {
    grid-template-columns: minmax(0, 0.8fr) minmax(500px, 1.2fr);
    gap: 44px;
  }

  .hero h1 {
    font-size: clamp(3.1rem, 5vw, 4.6rem);
  }

  .split-heading,
  .workspace-layout,
  .principles-layout,
  .founder-layout,
  .pilot-layout {
    gap: 70px;
  }
}

@media (max-width: 960px) {
  .header-actions .button {
    display: none;
  }

  .primary-navigation {
    gap: 16px;
  }

  .hero {
    padding-top: 132px;
  }

  .hero-layout {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .hero-copy {
    max-width: 740px;
  }

  .hero-product {
    max-width: 720px;
  }

  .split-heading,
  .workspace-layout,
  .principles-layout,
  .founder-layout,
  .pilot-layout {
    grid-template-columns: 1fr;
  }

  .split-heading {
    gap: 28px;
  }

  .section-intro {
    max-width: 680px;
  }

  .workspace-layout,
  .founder-layout,
  .pilot-layout {
    gap: 76px;
  }

  .workspace-copy,
  .pilot-copy {
    max-width: 760px;
  }

  .principles-heading {
    position: static;
    max-width: 760px;
  }

  .principles-list {
    margin-top: 12px;
  }

  .founder-seal {
    width: min(330px, 75vw);
  }

  .pilot-form {
    max-width: 680px;
  }
}

@media (max-width: 820px) {
  .menu-toggle {
    display: block;
    order: 3;
  }

  .header-inner {
    min-height: 70px;
  }

  .primary-navigation {
    position: absolute;
    top: 70px;
    right: 20px;
    left: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    background: rgba(8, 17, 31, 0.97);
    border: 1px solid rgba(255, 255, 255, 0.10);
    border-radius: 14px;
    box-shadow: var(--shadow-dark);
    backdrop-filter: blur(18px);
  }

  .primary-navigation.is-open {
    display: flex;
  }

  .primary-navigation a {
    padding: 12px 10px;
  }

  .primary-navigation a::after {
    display: none;
  }

  .header-actions {
    margin-left: auto;
  }

  .trust-grid,
  .pain-grid,
  .use-case-grid {
    grid-template-columns: 1fr;
  }

  .trust-grid > div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .trust-grid > div:last-child {
    border-bottom: 0;
  }

  .pain-card {
    min-height: auto;
  }

  .pain-card h3 {
    margin-top: 34px;
  }

  .workflow-step {
    grid-template-columns: 64px minmax(0, 1fr);
  }

  .step-tag {
    display: none;
  }

  .use-case-card {
    min-height: auto;
  }

  .footer-top,
  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 760px) {
  :root {
    --shell: min(100% - 30px, 680px);
  }

  html {
    scroll-padding-top: 74px;
  }

  .brand-copy strong {
    font-size: 0.72rem;
  }

  .brand-mark {
    width: 35px;
  }

  .header-actions {
    gap: 10px;
  }

  .hero {
    min-height: auto;
    padding: 118px 0 96px;
  }

  .hero::before {
    bottom: -360px;
  }

  .hero h1 {
    margin-top: 20px;
    font-size: clamp(2.8rem, 13.2vw, 4.5rem);
  }

  .hero-description {
    margin-top: 24px;
    font-size: 0.99rem;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-actions .button {
    width: 100%;
  }

  .founder-badge {
    align-items: flex-start;
  }

  .product-frame {
    border-radius: 13px;
    transform: none;
  }

  .product-bar {
    padding-inline: 12px;
  }

  .product-status {
    display: none;
  }

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

  .case-sidebar {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 7px;
    padding: 12px;
    border-right: 0;
    border-bottom: 1px solid rgba(18, 26, 39, 0.08);
  }

  .case-sidebar > .mini-label,
  .source-add {
    display: none;
  }

  .source-item {
    min-width: 0;
    margin: 0;
    padding: 8px 6px;
  }

  .file-icon {
    display: none;
  }

  .case-canvas {
    padding: 22px 17px 24px;
  }

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

  .mockup-note {
    text-align: left;
  }

  .section {
    padding: 92px 0;
  }

  .section h2 {
    font-size: clamp(2.35rem, 11vw, 3.8rem);
  }

  .pain-grid,
  .workflow-list,
  .use-case-grid {
    margin-top: 48px;
  }

  .pain-card,
  .use-case-card {
    padding: 28px;
  }

  .workflow-step {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 15px;
    min-height: 130px;
    padding-inline: 4px;
  }

  .workflow-step:hover {
    padding-inline: 4px;
  }

  .step-index {
    font-size: 1.5rem;
  }

  .feature-checks {
    grid-template-columns: 1fr;
  }

  .document-stack {
    min-height: 500px;
    overflow: hidden;
  }

  .document-card {
    min-height: 420px;
    padding: 28px 22px;
  }

  .document-card-back {
    transform: translate(-54%, -53%) rotate(-6deg);
  }

  .document-card-middle {
    transform: translate(-46%, -50%) rotate(4deg);
  }

  .document-card-front dl > div {
    grid-template-columns: 38px minmax(0, 1fr);
  }

  .linked-value {
    grid-column: 2;
    justify-self: start;
    margin-bottom: 8px;
  }

  .principles-list article {
    grid-template-columns: 40px minmax(0, 1fr);
  }

  .founder-story blockquote {
    padding: 19px 20px;
  }

  .pilot-form {
    padding: 26px 20px;
    border-radius: 20px;
  }

  .footer-top nav {
    gap: 16px 20px;
  }

  .footer-bottom {
    gap: 18px;
  }
}

@media (max-width: 460px) {
  .language-switch span {
    display: none;
  }

  .language-switch {
    gap: 2px;
  }

  .brand-copy strong {
    max-width: 128px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .case-sidebar {
    grid-template-columns: 1fr 1fr;
  }

  .source-item:nth-of-type(4) {
    display: none;
  }

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

  .document-card {
    width: 95%;
  }
}

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

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

  .reveal-ready [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

@media print {
  .site-header,
  .hero-actions,
  .language-switch,
  .menu-toggle,
  .pilot-form,
  .site-footer,
  .mockup-note {
    display: none !important;
  }

  .hero,
  .section,
  .trust-strip {
    padding: 32px 0;
    color: #000;
    background: #fff;
  }

  .hero::before,
  .hero-grid,
  .section-blueprint::before {
    display: none;
  }
}

/* Privacy page */
.privacy-page {
  background: var(--paper);
}

.privacy-page .site-header {
  background: rgba(8, 17, 31, 0.96);
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.14);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.privacy-actions {
  margin-left: auto;
}

.privacy-main {
  min-height: 100vh;
  padding: 150px 0 110px;
  background:
    radial-gradient(circle at 80% 0%, rgba(52, 114, 242, 0.10), transparent 30%),
    var(--paper);
}

.privacy-shell {
  max-width: 900px;
}

.privacy-hero {
  padding-bottom: 48px;
  border-bottom: 1px solid var(--line);
}

.privacy-hero h1 {
  margin-top: 18px;
  font-size: clamp(3rem, 7vw, 5.4rem);
  line-height: 1;
  letter-spacing: -0.06em;
}

.privacy-hero > p:not(.section-kicker) {
  margin-top: 24px;
  color: var(--ink-600);
  font-size: 1rem;
}

.privacy-date {
  display: inline-block;
  margin-top: 20px;
  padding: 7px 11px;
  color: var(--blue-700);
  background: var(--blue-100);
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 760;
}

.privacy-card {
  margin-top: 40px;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-large);
  box-shadow: var(--shadow-soft);
}

.privacy-card section {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 22px;
  padding: 34px 38px;
  border-bottom: 1px solid var(--line);
}

.privacy-card section:last-child {
  border-bottom: 0;
}

.privacy-index {
  color: var(--blue-700);
  font-family: Georgia, serif;
  font-size: 1.25rem;
}

.privacy-card h2 {
  font-size: 1.15rem;
  letter-spacing: -0.025em;
}

.privacy-card p {
  margin-top: 10px;
  color: var(--ink-600);
  font-size: 0.85rem;
  line-height: 1.8;
}

.privacy-card a {
  display: inline-block;
  margin-left: 4px;
  color: var(--blue-700);
  font-weight: 700;
}

.privacy-footer .footer-bottom {
  padding-top: 34px;
}

@media (max-width: 760px) {
  .privacy-actions .button {
    display: inline-flex;
  }

  .privacy-main {
    padding: 118px 0 72px;
  }

  .privacy-card section {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 12px;
    padding: 27px 20px;
  }
}