:root {
  --color-primary: #F37021;
  --color-primary-dark: #D85A12;
  --color-primary-light: #FFA561;
  --color-ink: #0F172A;
  --color-ink-soft: #334155;
  --color-muted: #64748B;
  --color-line: #E2E8F0;
  --color-surface: #FFFFFF;
  --color-surface-soft: #F8FAFC;
  --color-surface-dark: #0B1220;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  color: var(--color-ink);
  background: var(--color-surface);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ──────────── Navigation ──────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--color-line);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: 1180px;
  margin: 0 auto;
}

.nav__logo img {
  height: 36px;
  width: auto;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav__link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-ink-soft);
  transition: color 0.15s ease;
}

.nav__link:hover {
  color: var(--color-primary);
}

.nav__link.is-active {
  color: var(--color-ink);
}

.nav__cta {
  font-size: 14px;
  font-weight: 600;
  padding: 9px 16px;
  border-radius: var(--radius);
  background: var(--color-ink);
  color: white !important;
  transition: background 0.15s ease;
}

.nav__cta:hover {
  background: var(--color-primary);
}

/* ──────────── Hero ──────────── */
.hero {
  position: relative;
  padding: 80px 0 96px;
  background:
    radial-gradient(ellipse at top, rgba(243, 112, 33, 0.08), transparent 60%),
    linear-gradient(to bottom, var(--color-surface) 0%, var(--color-surface-soft) 100%);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(243, 112, 33, 0.10), transparent 70%);
  filter: blur(40px);
  pointer-events: none;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
}

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

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: rgba(243, 112, 33, 0.08);
  color: var(--color-primary-dark);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 24px;
}

.hero__eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
}

.hero h1 {
  font-size: 56px;
  line-height: 1.05;
  letter-spacing: -0.025em;
  font-weight: 700;
  margin: 0 0 20px;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

@media (max-width: 720px) {
  .hero h1 { font-size: 38px; }
}

.hero__sub {
  font-size: 18px;
  color: var(--color-ink-soft);
  margin: 0 0 32px;
  max-width: 560px;
}

.hero__ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: inherit;
}

.btn--primary {
  background: var(--color-primary);
  color: white;
}

.btn--primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--ghost {
  background: white;
  color: var(--color-ink);
  border: 1px solid var(--color-line);
}

.btn--ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn--dark {
  background: var(--color-ink);
  color: white;
}

.btn--dark:hover {
  background: var(--color-primary);
}

.hero__metric-card {
  background: white;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-md);
}

.hero__metric-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 24px;
}

.hero__metric-number {
  font-size: 56px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.03em;
  font-family: var(--font-mono);
  line-height: 1;
}

.hero__metric-unit {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-ink);
}

.hero__metric-label {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 24px;
}

.hero__metric-divider {
  height: 1px;
  background: var(--color-line);
  margin: 24px 0;
}

.hero__mini-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.hero__mini-stat {
  display: flex;
  flex-direction: column;
}

.hero__mini-stat strong {
  font-size: 22px;
  color: var(--color-ink);
  font-weight: 700;
}

.hero__mini-stat small {
  font-size: 12px;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 4px;
}

/* ──────────── Sections ──────────── */
.section {
  padding: 88px 0;
}

.section--dark {
  background: var(--color-surface-dark);
  color: white;
}

.section--soft {
  background: var(--color-surface-soft);
}

.section__eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.section__title {
  font-size: 38px;
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 700;
  margin: 0 0 16px;
  max-width: 720px;
}

.section--dark .section__title { color: white; }

.section__intro {
  font-size: 18px;
  color: var(--color-ink-soft);
  max-width: 680px;
  margin: 0 0 48px;
}

.section--dark .section__intro { color: #94A3B8; }

/* ──────────── Feature grid ──────────── */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

@media (max-width: 920px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
}

.feature {
  background: white;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.2s ease;
}

.feature:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.feature__icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(243, 112, 33, 0.10);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 18px;
}

.feature h3 {
  font-size: 20px;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}

.feature p {
  font-size: 15px;
  color: var(--color-ink-soft);
  margin: 0;
}

.section--dark .feature {
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(255, 255, 255, 0.08);
}

.section--dark .feature h3 { color: white; }
.section--dark .feature p { color: #94A3B8; }

/* ──────────── Problem grid ──────────── */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

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

@media (max-width: 520px) {
  .problem-grid { grid-template-columns: 1fr; }
}

.problem {
  padding: 24px;
  border-left: 3px solid var(--color-primary);
  background: white;
}

.problem strong {
  display: block;
  font-size: 28px;
  color: var(--color-primary-dark);
  font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.problem span {
  font-size: 14px;
  color: var(--color-ink-soft);
}

/* ──────────── Architecture diagram ──────────── */
.arch {
  background: white;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.arch__layer {
  padding: 28px 32px;
  border-bottom: 1px solid var(--color-line);
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 32px;
  align-items: center;
}

.arch__layer:last-child {
  border-bottom: none;
}

.arch__layer--l3 { background: linear-gradient(to right, rgba(243, 112, 33, 0.04), transparent); }
.arch__layer--l2 { background: linear-gradient(to right, rgba(243, 112, 33, 0.06), transparent); }
.arch__layer--l1 { background: linear-gradient(to right, rgba(243, 112, 33, 0.08), transparent); }

.arch__tag {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.04em;
}

.arch__layer h4 {
  font-size: 18px;
  margin: 0 0 6px;
}

.arch__layer p {
  font-size: 14px;
  color: var(--color-muted);
  margin: 0;
}

/* ──────────── Audience cards ──────────── */
.audience {
  background: white;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
}

.audience__tag {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.audience h3 {
  font-size: 22px;
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}

.audience p {
  font-size: 15px;
  color: var(--color-ink-soft);
  margin: 0 0 20px;
  flex: 1;
}

.audience ul {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
}

.audience li {
  font-size: 14px;
  color: var(--color-ink-soft);
  padding: 8px 0;
  border-bottom: 1px solid var(--color-line);
  display: flex;
  align-items: center;
  gap: 8px;
}

.audience li::before {
  content: "→";
  color: var(--color-primary);
  font-weight: 700;
}

.audience li:last-child {
  border-bottom: none;
}

/* ──────────── Compliance band ──────────── */
.compliance {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 24px;
}

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

.compliance__item {
  padding: 28px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: var(--radius-lg);
}

.compliance__item h4 {
  font-size: 17px;
  margin: 0 0 8px;
  color: white;
  font-family: var(--font-mono);
}

.compliance__item p {
  font-size: 14px;
  color: #94A3B8;
  margin: 0;
}

.compliance__item .badge {
  display: inline-block;
  font-size: 11px;
  background: rgba(243, 112, 33, 0.15);
  color: var(--color-primary-light);
  padding: 3px 8px;
  border-radius: 4px;
  font-weight: 600;
  margin-top: 12px;
  letter-spacing: 0.04em;
}

/* ──────────── CTA footer ──────────── */
.cta-band {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  padding: 72px 0;
  color: white;
  text-align: center;
}

.cta-band h2 {
  font-size: 38px;
  letter-spacing: -0.02em;
  font-weight: 700;
  margin: 0 0 16px;
}

.cta-band p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.92);
  margin: 0 0 32px;
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}

.cta-band .btn {
  background: white;
  color: var(--color-primary-dark);
}

.cta-band .btn:hover {
  background: var(--color-ink);
  color: white;
}

/* ──────────── Footer ──────────── */
.footer {
  background: var(--color-surface-dark);
  color: #94A3B8;
  padding: 64px 0 32px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

@media (max-width: 720px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

.footer__logo {
  filter: brightness(0) invert(1);
  opacity: 0.92;
  height: 32px;
  width: auto;
  margin-bottom: 16px;
}

.footer__about {
  font-size: 14px;
  max-width: 280px;
  line-height: 1.6;
}

.footer h5 {
  color: white;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 16px;
  font-weight: 700;
}

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

.footer li {
  font-size: 14px;
  padding: 6px 0;
}

.footer a:hover {
  color: var(--color-primary-light);
}

.footer__legal {
  border-top: 1px solid rgba(255, 255, 255, 0.10);
  padding-top: 24px;
  font-size: 13px;
  color: #64748B;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

/* ──────────── Page heading ──────────── */
.page-head {
  padding: 64px 0 32px;
  background: var(--color-surface-soft);
  border-bottom: 1px solid var(--color-line);
}

.page-head h1 {
  font-size: 44px;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  font-weight: 700;
}

.page-head p {
  font-size: 18px;
  color: var(--color-ink-soft);
  margin: 0;
  max-width: 680px;
}

/* ──────────── Form ──────────── */
.form {
  background: white;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-sm);
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

@media (max-width: 720px) {
  .form__row { grid-template-columns: 1fr; }
}

.form label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 6px;
}

.form input, .form select, .form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  font-size: 15px;
  font-family: inherit;
  background: white;
  transition: border-color 0.15s ease;
}

.form input:focus, .form select:focus, .form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(243, 112, 33, 0.12);
}

.form textarea {
  min-height: 120px;
  resize: vertical;
}

.form__group {
  margin-bottom: 20px;
}

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

/* ──────────── Inline KPIs ──────────── */
.inline-kpi {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
  margin-top: 40px;
}

.inline-kpi > div {
  border-left: 2px solid var(--color-primary);
  padding-left: 16px;
}

.inline-kpi strong {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-ink);
  display: block;
  font-family: var(--font-mono);
  letter-spacing: -0.02em;
}

.section--dark .inline-kpi strong { color: white; }

.inline-kpi span {
  font-size: 13px;
  color: var(--color-muted);
  letter-spacing: 0.02em;
}

/* ──────────── Code-style technical labels ──────────── */
.code {
  font-family: var(--font-mono);
  font-size: 13px;
  background: rgba(15, 23, 42, 0.04);
  padding: 2px 8px;
  border-radius: 4px;
  color: var(--color-ink);
}

.section--dark .code {
  background: rgba(255, 255, 255, 0.08);
  color: white;
}

/* ──────────── Table simple ──────────── */
.table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: white;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  font-size: 14px;
}

.table th, .table td {
  text-align: left;
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-line);
}

.table th {
  background: var(--color-surface-soft);
  font-weight: 600;
  color: var(--color-ink);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.table tr:last-child td { border-bottom: none; }

.table td {
  color: var(--color-ink-soft);
}