/*
  KelTech Global — private review candidate
  Direction B "Material Proof" · variant "Route Sheet" (Fable 5.1 author)
  Identity: client (KelTech) · brochure palette · local system fonts only
*/

:root {
  --navy-950: #071a2c;
  --navy-900: #0f2040;
  --navy-800: #173754;
  --navy-700: #244c69;
  --blue-600: #3d89bd;
  --blue-500: #52a5d0;
  --cyan-300: #63c7e8;
  --paper: #f5f9fc;
  --paper-blue: #eaf4f9;
  --surface: #ffffff;
  --ink: #10253a;
  --muted: #587086;
  --hairline: #c9dce7;
  --hairline-strong: #94b8ca;
  --on-navy: #dbe8f1;
  --on-navy-muted: #9fb8c8;
  --success: #11683b;
  --success-bg: #e7f6ed;
  --error: #9a2e24;
  --error-bg: #fff0ed;
  --sans: "Avenir Next", Avenir, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: "SFMono-Regular", "Cascadia Code", "Roboto Mono", Consolas, monospace;
  --max: 1280px;
  --gutter: clamp(1.1rem, 4vw, 3rem);
  --section: clamp(3.5rem, 7vw, 6.5rem);
  --radius: 2px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  color-scheme: light;
}

body {
  margin: 0;
  overflow-x: clip;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 1.125rem;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

button,
input,
select,
textarea {
  font: inherit;
}

h1,
h2,
h3,
h4,
p,
figure,
dl,
dd,
ul,
ol {
  margin-top: 0;
}

h1,
h2,
h3,
h4 {
  color: var(--navy-900);
  line-height: 1.08;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 4.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.8rem, 3.2vw, 2.75rem);
  font-weight: 700;
}

h3 {
  font-size: clamp(1.2rem, 1.7vw, 1.45rem);
  font-weight: 650;
  line-height: 1.2;
}

p {
  margin-bottom: 1rem;
}

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

:focus-visible {
  outline: 3px solid var(--blue-600);
  outline-offset: 3px;
}

.hero :focus-visible,
.cta-band :focus-visible,
.site-footer :focus-visible {
  outline-color: var(--cyan-300);
}

[hidden] {
  display: none !important;
}

/* ---------- shared primitives ---------- */

.wrap {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding-inline: var(--gutter);
}

/* Keep the unchanged legal-page shell inside the same site grid. */
.site-header > .header-inner,
.section-inner,
.site-footer > .footer-inner {
  width: min(100%, var(--max));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.mono {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.label {
  display: block;
  color: var(--navy-700);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.skip-link {
  position: fixed;
  left: 1rem;
  top: -6rem;
  z-index: 1000;
  padding: 0.8rem 1rem;
  color: #fff;
  background: var(--navy-950);
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

/* review notice: honest, small, never the loudest element */
.review-notice,
.review-banner {
  padding: 0.4rem var(--gutter);
  color: var(--navy-700);
  background: var(--paper-blue);
  border-bottom: 1px solid var(--hairline);
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-align: center;
  text-transform: uppercase;
}

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--hairline);
  background: rgba(245, 249, 252, 0.96);
  backdrop-filter: blur(12px);
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.55rem;
  color: var(--navy-900);
  text-decoration: none;
  line-height: 1;
}

.brand strong {
  font-size: 1.3rem;
  font-weight: 750;
  letter-spacing: -0.04em;
}

.brand span {
  padding-left: 0.55rem;
  border-left: 1px solid var(--hairline-strong);
  color: var(--navy-700);
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(0.6rem, 2vw, 1.6rem);
}

.nav-link {
  padding: 0.45rem 0.1rem;
  color: var(--navy-800);
  border-bottom: 2px solid transparent;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: color 140ms ease, border-color 140ms ease;
}

.nav-link:hover {
  color: var(--navy-950);
  border-color: var(--hairline-strong);
}

.nav-link[aria-current="page"] {
  color: var(--navy-950);
  border-color: var(--blue-600);
}

.nav-cta {
  margin-left: 0.4rem;
  padding: 0.6rem 1rem;
  color: #fff;
  border: 1px solid var(--navy-900);
  border-bottom-width: 1px;
  border-radius: var(--radius);
  background: var(--navy-900);
}

.nav-cta:hover,
.nav-cta[aria-current="page"] {
  color: #fff;
  border-color: var(--navy-700);
  background: var(--navy-700);
}

.menu-button {
  display: none;
  min-width: 44px;
  min-height: 44px;
  padding: 0.5rem;
  color: var(--navy-900);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius);
  background: transparent;
  cursor: pointer;
}

.menu-button span,
.menu-button::before,
.menu-button::after {
  content: "";
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

/* ---------- buttons ---------- */

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.8rem 1.35rem;
  border: 1px solid var(--navy-900);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 650;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 140ms ease, color 140ms ease, border-color 140ms ease;
}

.button-primary {
  color: #fff;
  background: var(--navy-900);
}

.button-primary:hover {
  border-color: var(--navy-700);
  background: var(--navy-700);
}

.button-secondary {
  color: var(--navy-900);
  background: transparent;
}

.button-secondary:hover {
  border-color: var(--blue-600);
  color: var(--navy-700);
}

.button-light {
  color: var(--navy-950);
  border-color: #fff;
  background: #fff;
}

.button-light:hover {
  border-color: var(--cyan-300);
  background: var(--cyan-300);
}

.button-ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
  background: transparent;
}

.button-ghost:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.button-row {
  margin-top: 1.9rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.text-link {
  color: var(--navy-900);
  font-size: 0.92rem;
  font-weight: 650;
  text-decoration: none;
  border-bottom: 1px solid var(--hairline-strong);
  transition: border-color 140ms ease;
}

.text-link:hover {
  border-color: var(--navy-900);
}

/* ---------- home hero (cover sheet) ---------- */

.hero {
  position: relative;
  color: var(--on-navy);
  background: var(--navy-900);
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: var(--blue-600);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  align-items: center;
  gap: clamp(2.5rem, 6vw, 6rem);
  padding-block: clamp(3.5rem, 7vw, 6.5rem);
}

.hero .label {
  color: var(--cyan-300);
  margin-bottom: 1.4rem;
}

.hero h1 {
  max-width: 14ch;
  margin-bottom: 1.3rem;
  color: #fff;
}

.hero-lede {
  max-width: 52ch;
  margin-bottom: 0;
  color: var(--on-navy);
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  line-height: 1.55;
}

.hero-note {
  margin: 1.5rem 0 0;
  max-width: 54ch;
  color: var(--on-navy-muted);
  font-size: 0.86rem;
  line-height: 1.5;
}

.hero-facts {
  margin: 2.2rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.6rem;
  list-style: none;
}

.hero-facts li {
  padding-left: 0.9rem;
  position: relative;
  color: var(--on-navy);
  font-size: 0.92rem;
  font-weight: 600;
}

.hero-facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  background: var(--cyan-300);
}

/* the sheet: a white drawing card on the navy cover */
.sheet {
  position: relative;
  color: var(--ink);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 24px 60px rgba(4, 14, 28, 0.35);
}

.sheet-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--hairline);
  background: var(--paper);
  color: var(--navy-700);
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.sheet-head span:last-child {
  color: var(--muted);
}

.sheet-body {
  padding: 1rem 1rem 0.5rem;
}

.route-svg {
  width: 100%;
  height: auto;
  color: var(--blue-600);
}

.route-mobile {
  display: none;
}

.sheet-foot {
  margin: 0;
  padding: 0.75rem 1rem 0.9rem;
  border-top: 1px solid var(--hairline);
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.45;
}

.sheet-foot strong {
  color: var(--navy-900);
}

/* ---------- market register strip ---------- */

.register {
  border-bottom: 1px solid var(--hairline);
  background: var(--surface);
}

.register-grid {
  display: grid;
  grid-template-columns: 200px repeat(3, minmax(0, 1fr));
  align-items: stretch;
}

.register-grid > * {
  padding: 1.4rem 1.25rem 1.4rem 0;
}

.register-grid > * + * {
  padding-left: 1.25rem;
  border-left: 1px solid var(--hairline);
}

.register-key {
  color: var(--navy-700);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  line-height: 1.5;
}

.register-item strong {
  display: block;
  color: var(--navy-900);
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

.register-item span {
  display: block;
  margin-top: 0.15rem;
  color: var(--muted);
  font-size: 0.86rem;
}

.register-note {
  margin: 0;
  padding: 0.85rem 0 1.1rem;
  border-top: 1px solid var(--hairline);
  color: var(--muted);
  font-size: 0.86rem;
}

/* ---------- sections ---------- */

.section {
  padding-block: var(--section);
}

.section-white {
  background: var(--surface);
  border-block: 1px solid var(--hairline);
}

.section-head {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr) minmax(260px, 0.5fr);
  align-items: end;
  gap: 1.5rem 2rem;
  margin-bottom: clamp(2rem, 4vw, 3.25rem);
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--hairline-strong);
}

.section-index {
  align-self: start;
  color: var(--blue-600);
  font-family: var(--mono);
  font-size: 1.9rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1;
}

.section-index small {
  display: block;
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.section-head h2 {
  max-width: 18ch;
  margin-bottom: 0;
}

.section-lede {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.55;
}

/* ---------- capability index ---------- */

.lane-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.lane-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--surface);
  color: inherit;
  text-decoration: none;
  transition: border-color 140ms ease, box-shadow 140ms ease;
}

.lane-card:hover,
.lane-card:focus-visible {
  border-color: var(--blue-600);
  box-shadow: 0 10px 30px rgba(15, 32, 64, 0.1);
}

.lane-card--feature {
  grid-column: span 2;
}

.lane-media {
  position: relative;
  margin: 0;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--paper-blue);
  border-bottom: 1px solid var(--hairline);
}

.lane-card--feature .lane-media {
  aspect-ratio: 16 / 7;
}

.lane-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.lane-media figcaption {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 0.3rem 0.55rem;
  color: var(--navy-700);
  background: rgba(245, 249, 252, 0.92);
  border-top: 1px solid var(--hairline);
  border-right: 1px solid var(--hairline);
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.lane-num {
  position: absolute;
  top: 0;
  left: 0;
  padding: 0.35rem 0.6rem;
  color: #fff;
  background: var(--navy-900);
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
}

.lane-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 1.25rem 1.35rem 1.35rem;
}

.lane-body h3 {
  margin-bottom: 0.5rem;
}

.lane-body p {
  flex: 1;
  margin-bottom: 1.1rem;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.5;
}

.lane-body .text-link {
  align-self: flex-start;
}

.lane-card--feature .lane-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-rows: auto auto;
  column-gap: 2rem;
  align-items: start;
}

.lane-card--feature .lane-body h3 {
  grid-column: 1;
  font-size: clamp(1.4rem, 2vw, 1.75rem);
}

.lane-card--feature .lane-body p {
  grid-column: 1;
}

.lane-card--feature .lane-body .text-link {
  grid-column: 2;
  grid-row: 1 / 3;
  align-self: end;
}

.lane-focus {
  display: inline-block;
  margin-bottom: 0.6rem;
  padding: 0.22rem 0.5rem;
  color: var(--navy-700);
  border: 1px solid var(--hairline-strong);
  background: var(--paper-blue);
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ---------- method (three steps from the client's stated method) ---------- */

.method {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius);
  background: var(--surface);
}

.method-step {
  position: relative;
  padding: 1.6rem 1.6rem 1.8rem;
}

.method-step + .method-step {
  border-left: 1px solid var(--hairline);
}

.method-step .step-num {
  display: block;
  margin-bottom: 1.1rem;
  color: var(--blue-600);
  font-family: var(--mono);
  font-size: 1.6rem;
  line-height: 1;
}

.method-step h3 {
  margin-bottom: 0.55rem;
}

.method-step p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.5;
}

.method-step:not(:last-child)::after {
  content: "";
  position: absolute;
  z-index: 2;
  top: 2.1rem;
  right: -7px;
  width: 12px;
  height: 12px;
  border-top: 1px solid var(--blue-600);
  border-right: 1px solid var(--blue-600);
  background: var(--surface);
  transform: rotate(45deg);
}

.method-attach {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 1rem 2rem;
  margin-top: 1.25rem;
  padding: 1.1rem 1.4rem;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--paper-blue);
}

.method-attach .label {
  padding-top: 0.2rem;
}

.method-attach ul {
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.9rem;
  list-style: none;
}

.method-attach li {
  padding: 0.35rem 0.7rem;
  color: var(--navy-900);
  border: 1px solid var(--hairline-strong);
  background: var(--surface);
  font-size: 0.9rem;
  font-weight: 600;
}

.method-attach p {
  grid-column: 2;
  margin: 0.5rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.boundary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.9rem;
  margin-top: 1.5rem;
  padding: 1rem 1.2rem;
  border-left: 3px solid var(--blue-600);
  background: var(--surface);
  border-radius: var(--radius);
}

.boundary p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.boundary strong {
  color: var(--navy-900);
}

.boundary-mark {
  margin-top: 0.42rem;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--blue-600);
  box-shadow: 0 0 0 4px rgba(61, 137, 189, 0.15);
}

/* ---------- prep (bring five things) ---------- */

.prep-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
}

.prep-list {
  counter-reset: prep;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--hairline-strong);
}

.prep-list li {
  counter-increment: prep;
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 1rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--hairline);
}

.prep-list li::before {
  content: "0" counter(prep);
  color: var(--blue-600);
  font-family: var(--mono);
  font-size: 0.85rem;
  padding-top: 0.2rem;
}

.prep-list strong {
  display: block;
  color: var(--navy-900);
  font-size: 1.05rem;
}

.prep-list span {
  display: block;
  margin-top: 0.15rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.prep-card {
  padding: 1.6rem 1.6rem 1.7rem;
  color: var(--on-navy);
  border-radius: var(--radius);
  background: var(--navy-900);
}

.prep-card h3 {
  margin-bottom: 0.6rem;
  color: #fff;
  font-size: 1.5rem;
}

.prep-card p {
  color: var(--on-navy);
  font-size: 0.98rem;
}

.prep-card .button-row {
  margin-top: 1.3rem;
}

.prep-card dl {
  margin: 1.4rem 0 0;
  padding-top: 1.1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.prep-card dt {
  color: var(--cyan-300);
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.prep-card dd {
  margin: 0.2rem 0 0.8rem;
  color: #fff;
}

.prep-card dd a {
  color: #fff;
  text-decoration-color: var(--cyan-300);
}

/* ---------- CTA band ---------- */

.cta-band {
  color: var(--on-navy);
  background: var(--navy-950);
  border-top: 1px solid var(--blue-600);
}

.cta-band .wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 2rem;
  padding-block: clamp(3rem, 6vw, 5rem);
}

.cta-band h2 {
  max-width: 16ch;
  margin-bottom: 0.6rem;
  color: #fff;
}

.cta-band p {
  max-width: 56ch;
  margin-bottom: 0;
  color: var(--on-navy-muted);
}

/* ---------- interior page hero ---------- */

.page-hero {
  border-bottom: 1px solid var(--hairline);
  background: var(--surface);
}

.page-hero .wrap,
.page-hero .section-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  align-items: end;
  gap: clamp(2rem, 6vw, 6rem);
  padding-block: clamp(3rem, 6vw, 5rem);
}

.page-hero .label {
  margin-bottom: 1.1rem;
}

.page-hero h1 {
  max-width: 14ch;
  margin-bottom: 1rem;
}

.page-hero-lede {
  max-width: 50ch;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(1.02rem, 1.5vw, 1.2rem);
}

.page-hero-aside {
  padding: 1.1rem 1.3rem;
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--blue-600);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--muted);
  font-size: 0.95rem;
}

.page-hero-aside strong {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--navy-900);
}

.page-hero-aside p:last-child {
  margin-bottom: 0;
}

/* table of contents (capabilities hero) */
.toc {
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--paper);
}

.toc-title {
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--hairline);
  color: var(--navy-700);
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.toc a {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.6rem;
  padding: 0.62rem 1rem;
  color: var(--navy-900);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: background-color 140ms ease;
}

.toc li + li a {
  border-top: 1px solid var(--hairline);
}

.toc a:hover {
  background: var(--paper-blue);
}

.toc a span:first-child {
  color: var(--blue-600);
  font-family: var(--mono);
  font-size: 0.7rem;
}

.toc a span:last-child {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.8rem;
}

/* ---------- capability lane detail rows ---------- */

.lane-detail {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
  padding-block: clamp(2.2rem, 4vw, 3.5rem);
  border-top: 1px solid var(--hairline);
  scroll-margin-top: 110px;
}

.lane-detail:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.lane-detail-media {
  position: relative;
  margin: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--paper-blue);
}

.lane-detail-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.lane-detail-media figcaption {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 0.3rem 0.55rem;
  color: var(--navy-700);
  background: rgba(245, 249, 252, 0.92);
  border-top: 1px solid var(--hairline);
  border-right: 1px solid var(--hairline);
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.lane-detail-body .label {
  margin-bottom: 0.7rem;
  color: var(--blue-600);
}

.lane-detail-body h2 {
  margin-bottom: 0.8rem;
  font-size: clamp(1.6rem, 2.6vw, 2.2rem);
}

.lane-detail-body p {
  color: var(--muted);
}

.lane-detail-body .button-row {
  margin-top: 1.2rem;
}

.qualifier {
  display: inline-block;
  margin-top: 0.4rem;
  padding: 0.28rem 0.55rem;
  color: var(--navy-700);
  border: 1px solid var(--hairline-strong);
  background: var(--paper-blue);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.lane-detail-body .qualifier {
  margin-top: 0.2rem;
}

/* ---------- approach ---------- */

.approach-sheet {
  margin: 0;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius);
  background: var(--surface);
}

.approach-sheet .sheet-body {
  padding: 1.25rem 1.25rem 0.5rem;
}

.approach-svg {
  width: 100%;
  height: auto;
  color: var(--blue-600);
}

.approach-mobile {
  display: none;
}

.timeline {
  counter-reset: tl;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--hairline-strong);
}

.timeline li {
  counter-increment: tl;
  display: grid;
  grid-template-columns: 76px minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 1rem 2rem;
  padding-block: 1.9rem;
  border-bottom: 1px solid var(--hairline);
}

.timeline li::before {
  content: "0" counter(tl);
  color: var(--blue-600);
  font-family: var(--mono);
  font-size: 1.3rem;
  line-height: 1;
  padding-top: 0.25rem;
}

.timeline h3 {
  margin-bottom: 0.4rem;
  font-size: clamp(1.4rem, 2.2vw, 1.9rem);
}

.timeline .source-tag {
  display: block;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.timeline p {
  margin-bottom: 0.6rem;
  color: var(--muted);
}

.timeline p:last-child {
  margin-bottom: 0;
}

.timeline ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.principle {
  padding: 1.5rem 1.5rem 1.6rem;
  border: 1px solid var(--hairline);
  border-top: 3px solid var(--navy-900);
  border-radius: var(--radius);
  background: var(--surface);
}

.principle .label {
  margin-bottom: 0.9rem;
  color: var(--blue-600);
}

.principle strong {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--navy-900);
  font-size: 1.2rem;
  line-height: 1.2;
}

.principle p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.97rem;
}

/* ---------- about ---------- */

.statement {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 2rem;
}

.statement-body h2 {
  max-width: 24ch;
  margin-bottom: 1.2rem;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
}

.statement-body p {
  max-width: 62ch;
  color: var(--muted);
  font-size: 1.05rem;
}

.pillars {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius);
  background: var(--surface);
}

.pillar {
  padding: 1.6rem 1.6rem 1.8rem;
}

.pillar + .pillar {
  border-left: 1px solid var(--hairline);
}

.pillar .label {
  margin-bottom: 1rem;
  color: var(--blue-600);
}

.pillar h3 {
  margin-bottom: 0.5rem;
  font-size: 1.4rem;
}

.pillar p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.97rem;
}

.market-list {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius);
  background: var(--hairline);
  list-style: none;
  overflow: hidden;
}

.market-list li {
  min-height: 132px;
  padding: 1.2rem 1.3rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
  background: var(--surface);
}

.market-list span {
  color: var(--blue-600);
  font-family: var(--mono);
  font-size: 0.7rem;
}

.market-list strong {
  color: var(--navy-900);
  font-size: 1.12rem;
  line-height: 1.25;
}

.market-list small {
  display: block;
  margin-top: 0.2rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.market-list li.is-focus {
  background: var(--paper-blue);
}

.partner {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 1rem 2rem;
  margin-top: 1.5rem;
  padding: 1.3rem 1.5rem;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--surface);
}

.partner p {
  margin: 0;
  color: var(--muted);
  font-size: 0.97rem;
}

.partner strong {
  color: var(--navy-900);
}

/* ---------- contact ---------- */

.contact-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

.contact-side {
  position: sticky;
  top: 100px;
}

.contact-side h2 {
  margin-bottom: 0.8rem;
  font-size: clamp(1.5rem, 2.4vw, 2rem);
}

.contact-side > p {
  color: var(--muted);
}

.contact-side .prep-list {
  margin-top: 1.4rem;
}

.contact-side .prep-list li {
  padding: 0.8rem 0;
}

.contact-meta {
  margin: 1.5rem 0 0;
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--surface);
}

.contact-meta div + div {
  margin-top: 0.8rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--hairline);
}

.contact-meta dt {
  color: var(--navy-700);
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.contact-meta dd {
  margin: 0.2rem 0 0;
  color: var(--navy-900);
  font-size: 0.97rem;
}

.form-panel {
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 18px 50px rgba(15, 32, 64, 0.08);
}

.form-panel .sheet-head {
  border-radius: var(--radius) var(--radius) 0 0;
}

.form-state {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.form-state::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--blue-600);
}

.form-body {
  padding: clamp(1.3rem, 3vw, 2.2rem);
}

.form-intro {
  margin-bottom: 1.5rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.1rem 1.2rem;
}

.field {
  min-width: 0;
}

.field-full {
  grid-column: 1 / -1;
}

.field-group {
  grid-column: 1 / -1;
  margin-top: 0.4rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--hairline);
  color: var(--navy-700);
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.field label {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--navy-900);
  font-size: 0.92rem;
  font-weight: 650;
}

.field label .req {
  color: var(--blue-600);
}

.field label .opt {
  color: var(--muted);
  font-weight: 400;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 50px;
  padding: 0.75rem 0.85rem;
  color: var(--ink);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius);
  background: var(--paper);
}

.field textarea {
  min-height: 170px;
  resize: vertical;
}

.field input:hover,
.field select:hover,
.field textarea:hover,
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--blue-600);
  background: #fff;
}

.field-hint,
.field-error {
  margin: 0.4rem 0 0;
  font-size: 0.82rem;
  line-height: 1.45;
}

.field-hint {
  color: var(--muted);
}

.field-error {
  color: var(--error);
  font-weight: 600;
}

[aria-invalid="true"] {
  border-color: var(--error) !important;
  background: var(--error-bg) !important;
}

.error-summary,
.success-panel {
  margin-bottom: 1.5rem;
  padding: 1.2rem 1.3rem;
  border: 1px solid;
  border-radius: var(--radius);
}

.error-summary {
  color: var(--error);
  border-color: rgba(154, 46, 36, 0.45);
  background: var(--error-bg);
}

.success-panel {
  color: var(--success);
  border-color: rgba(17, 104, 59, 0.45);
  background: var(--success-bg);
}

.error-summary h2,
.success-panel h2 {
  margin-bottom: 0.5rem;
  color: inherit;
  font-size: 1.3rem;
}

.error-summary p,
.success-panel p {
  margin-bottom: 0.6rem;
}

.error-summary ul {
  margin-bottom: 0;
  padding-left: 1.2rem;
}

.error-summary a {
  color: inherit;
}

.success-panel ol {
  margin: 0 0 1rem;
  padding-left: 1.2rem;
}

.success-panel .button {
  color: var(--success);
  border-color: var(--success);
}

.form-actions {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.privacy-note {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

/* ---------- legal ---------- */

.legal-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 760px);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.legal-nav {
  position: sticky;
  top: 100px;
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--surface);
}

.legal-nav a {
  display: block;
  padding: 0.55rem 0.9rem;
  color: var(--navy-800);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
}

.legal-nav li + li a {
  border-top: 1px solid var(--hairline);
}

.legal-nav a:hover {
  background: var(--paper-blue);
}

.legal-content section {
  scroll-margin-top: 100px;
  padding-bottom: 1.6rem;
  margin-bottom: 1.6rem;
  border-bottom: 1px solid var(--hairline);
}

.legal-content h2 {
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
}

.legal-content p,
.legal-content li {
  color: var(--muted);
}

/* ---------- 404 ---------- */

.not-found {
  min-height: 70vh;
  display: grid;
  place-items: center;
  text-align: center;
}

.not-found-code {
  margin-bottom: 0.6rem;
  color: var(--blue-600);
  font-family: var(--mono);
  font-size: clamp(4rem, 14vw, 9rem);
  line-height: 0.9;
  letter-spacing: -0.06em;
}

.not-found h1 {
  margin-bottom: 0.8rem;
  font-size: clamp(1.8rem, 4vw, 3rem);
}

.not-found p {
  max-width: 50ch;
  margin-inline: auto;
  color: var(--muted);
}

.not-found .button-row {
  justify-content: center;
}

/* ---------- footer ---------- */

.site-footer {
  color: var(--on-navy);
  background: var(--navy-950);
}

.footer-inner {
  padding-block: clamp(2.5rem, 5vw, 4rem) 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(220px, 1.2fr) repeat(2, minmax(150px, 0.5fr));
  gap: 2.5rem;
}

.footer-brand strong {
  display: block;
  margin-bottom: 0.6rem;
  color: #fff;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}

.footer-brand p {
  max-width: 40ch;
  margin-bottom: 0;
  color: var(--on-navy-muted);
  font-size: 0.95rem;
}

.footer-title {
  margin-bottom: 0.7rem;
  color: var(--cyan-300);
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

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

.footer-links a {
  display: inline-block;
  padding-block: 0.3rem;
  color: var(--on-navy);
  font-size: 0.97rem;
  text-decoration: none;
}

.footer-links a:hover {
  color: #fff;
  text-decoration: underline;
}

.footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.2rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid rgba(201, 220, 231, 0.18);
  color: var(--on-navy-muted);
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ---------- responsive ---------- */

@media (max-width: 980px) {
  .menu-button {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding: 0.8rem var(--gutter) 1.1rem;
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 0.2rem;
    background: var(--paper);
    border-bottom: 1px solid var(--hairline-strong);
  }

  .site-nav[data-open="true"] {
    display: flex;
  }

  .nav-link {
    width: 100%;
    min-height: 44px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--hairline);
  }

  .nav-link[aria-current="page"] {
    border-color: var(--blue-600);
  }

  .nav-cta {
    margin: 0.5rem 0 0;
    justify-content: center;
    border: 1px solid var(--navy-900);
  }

  .hero-grid,
  .page-hero .wrap,
  .page-hero .section-inner,
  .prep-grid,
  .contact-layout,
  .lane-detail {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 2.5rem;
  }

  .section-head {
    grid-template-columns: 60px minmax(0, 1fr);
  }

  .section-lede {
    grid-column: 2;
  }

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

  .register-key {
    grid-column: 1 / -1;
    padding-bottom: 0.4rem;
    border-bottom: 1px solid var(--hairline);
  }

  .register-grid > * + * {
    border-left: 0;
    padding-left: 0;
  }

  .register-grid > .register-item:nth-child(odd) {
    padding-right: 1rem;
  }

  .register-grid > .register-item:nth-child(even) {
    padding-left: 1rem;
    border-left: 1px solid var(--hairline);
  }

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

  .method,
  .pillars {
    grid-template-columns: 1fr;
  }

  .method-step + .method-step,
  .pillar + .pillar {
    border-left: 0;
    border-top: 1px solid var(--hairline);
  }

  .method-step::after {
    display: none !important;
  }

  .method-attach,
  .partner,
  .statement {
    grid-template-columns: 1fr;
  }

  .method-attach p {
    grid-column: auto;
  }

  .timeline li {
    grid-template-columns: 60px minmax(0, 1fr);
  }

  .timeline li > :last-child {
    grid-column: 2;
  }

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

  .contact-side {
    position: static;
  }

  .cta-band .wrap {
    grid-template-columns: 1fr;
  }

  .lane-detail {
    scroll-margin-top: 90px;
  }
}

@media (max-width: 680px) {
  body {
    font-size: 1.05rem;
  }

  .header-inner {
    min-height: 64px;
  }

  .review-notice,
  .review-banner {
    text-align: left;
    font-size: 0.6rem;
  }

  .hero-grid {
    padding-block: 2.6rem 2.2rem;
  }

  .hero h1 {
    max-width: none;
    font-size: clamp(2.2rem, 9.5vw, 3rem);
  }

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

  .route-svg {
    display: none;
  }

  .route-mobile {
    display: grid;
    gap: 0.5rem;
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .route-mobile li {
    padding: 0.75rem 0.9rem;
    border: 1px solid var(--hairline-strong);
    border-radius: var(--radius);
    background: var(--surface);
  }

  .route-mobile li strong {
    display: block;
    color: var(--navy-900);
    font-size: 0.98rem;
  }

  .route-mobile li small {
    display: block;
    color: var(--muted);
    font-family: var(--mono);
    font-size: 0.62rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }

  .route-mobile li.is-lane {
    margin-left: 1.4rem;
    border-color: var(--hairline);
    background: var(--paper-blue);
  }

  .route-mobile li.is-end {
    color: #fff;
    border-color: var(--navy-900);
    background: var(--navy-900);
  }

  .route-mobile li.is-end strong {
    color: #fff;
  }

  .route-mobile li.is-end small {
    color: var(--cyan-300);
  }

  .route-mobile .route-arrow {
    justify-self: center;
    padding: 0;
    border: 0;
    background: none;
    color: var(--blue-600);
    font-size: 0.9rem;
  }

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

  .register-grid > .register-item {
    padding: 0.9rem 0 !important;
    border-left: 0 !important;
  }

  .register-grid > .register-item + .register-item {
    border-top: 1px solid var(--hairline);
  }

  .section-head {
    grid-template-columns: 1fr;
    gap: 0.9rem;
  }

  .section-lede {
    grid-column: auto;
  }

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

  .lane-card--feature {
    grid-column: auto;
  }

  .lane-card--feature .lane-media {
    aspect-ratio: 3 / 2;
  }

  .lane-card--feature .lane-body {
    display: flex;
  }

  .prep-list li {
    grid-template-columns: 44px minmax(0, 1fr);
  }

  .approach-svg {
    display: none;
  }

  .approach-mobile {
    display: grid;
    gap: 0.5rem;
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .approach-mobile li {
    display: grid;
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 0.2rem 0.6rem;
    padding: 0.8rem 0.9rem;
    border: 1px solid var(--hairline-strong);
    border-radius: var(--radius);
    background: var(--surface);
  }

  .approach-mobile span {
    grid-row: 1 / 3;
    color: var(--blue-600);
    font-family: var(--mono);
    font-size: 0.8rem;
  }

  .approach-mobile strong {
    color: var(--navy-900);
    line-height: 1.2;
  }

  .approach-mobile small {
    color: var(--muted);
    font-size: 0.85rem;
  }

  .approach-mobile li.is-attach {
    border-color: var(--hairline);
    background: var(--paper-blue);
  }

  .timeline li {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .timeline li > :last-child {
    grid-column: auto;
  }

  .principles,
  .market-list {
    grid-template-columns: 1fr;
  }

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

  .field-full,
  .field-group {
    grid-column: auto;
  }

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

  .legal-layout {
    grid-template-columns: 1fr;
  }

  .legal-nav {
    position: static;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.8rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 0.4rem;
  }

  .sheet-head {
    flex-direction: column;
    gap: 0.2rem;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media print {
  .review-notice,
  .site-header,
  .cta-band,
  .site-footer,
  .menu-button {
    display: none !important;
  }

  body {
    background: #fff;
  }

  .hero {
    color: var(--ink);
    background: #fff;
  }

  .hero h1 {
    color: var(--navy-900);
  }
}