/* Sightline — landing page. Modern intelligence dossier × NZ admiralty chart. */

:root {
  --paper: #f7f5f0;
  --ink: #12283a;
  --steel: #c9d4d9;
  --amber: #c77d1f;
  --green: #2e6e4e;
  --red: #a93226;

  --ink-80: rgba(18, 40, 58, 0.8);
  --ink-64: rgba(18, 40, 58, 0.64);
  --ink-12: rgba(18, 40, 58, 0.12);
  --ink-08: rgba(18, 40, 58, 0.08);

  --sans: "Schibsted Grotesk", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --maxw: 1120px;
  --gutter: clamp(1.25rem, 5vw, 3rem);
  --radius: 4px;
  --rule: 1px solid var(--ink-12);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3 {
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin: 0;
  text-wrap: balance;
}

p {
  margin: 0;
}

a {
  color: inherit;
}

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

/* ── Layout helpers ─────────────────────────────────────── */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.wrap--narrow {
  max-width: 780px;
}

.section {
  padding-block: clamp(3.5rem, 8vw, 6rem);
}

.section__title {
  font-size: clamp(1.75rem, 3.6vw, 2.6rem);
  max-width: 22ch;
  margin-top: 0.5rem;
}

/* ── Type accents ───────────────────────────────────────── */
.eyebrow,
.label {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-64);
}

.eyebrow {
  display: block;
  margin: 0;
}

/* ── Skip link + focus ──────────────────────────────────── */
.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 0.6rem 1rem;
  z-index: 100;
  border-radius: 0 0 var(--radius) 0;
}
.skip:focus {
  left: 0;
}

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5ch;
  font-family: var(--sans);
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1;
  padding: 0.85rem 1.35rem;
  border-radius: var(--radius);
  border: 1px solid var(--ink);
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.16s ease, color 0.16s ease, transform 0.16s ease;
}

.btn--solid {
  background: var(--ink);
  color: var(--paper);
}
.btn--solid:hover {
  background: #1b3a52;
}

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink-12);
}
.btn--ghost:hover {
  border-color: var(--ink);
}

/* ── Nav ────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: var(--rule);
}

.nav__inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: 64px;
}

.wordmark {
  font-family: var(--mono);
  font-weight: 500;
  letter-spacing: 0.28em;
  font-size: 0.95rem;
  text-decoration: none;
  color: var(--ink);
}

.nav__links {
  display: flex;
  gap: 1.75rem;
  margin-left: auto;
  font-size: 0.95rem;
}
.nav__links a {
  text-decoration: none;
  color: var(--ink-80);
}
.nav__links a:hover {
  color: var(--ink);
}

.nav__cta {
  padding: 0.6rem 1rem;
}

/* ── Hero ───────────────────────────────────────────────── */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(3rem, 7vw, 5.5rem) clamp(3.5rem, 8vw, 6rem);
  border-bottom: var(--rule);
}

.chart {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.85;
  pointer-events: none;
  z-index: 0;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.hero__title {
  font-size: clamp(2.1rem, 5.4vw, 3.7rem);
  margin-top: 1rem;
  max-width: 16ch;
}

.hero__sub {
  margin-top: 1.35rem;
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  color: var(--ink-80);
  max-width: 46ch;
}

.hero__actions {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

/* ── Sample card ────────────────────────────────────────── */
.card {
  background: var(--paper);
  border: 1px solid var(--ink);
  border-radius: 6px;
  padding: 1.5rem;
  box-shadow: 0 22px 48px -30px rgba(18, 40, 58, 0.55);
}

.card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.card__name {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 1.02rem;
  letter-spacing: 0.02em;
  margin-top: 1rem;
}

/* status chip: colour + shape + word */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5ch;
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  border: 1px solid currentColor;
}
.chip__mark {
  width: 0.55rem;
  height: 0.55rem;
  flex: none;
}
.chip--potential {
  color: var(--amber);
}
/* diamond shape reinforces the amber "potential" state */
.chip--potential .chip__mark {
  background: var(--amber);
  transform: rotate(45deg);
}

/* confidence meter: neutral ink, never a risk colour */
.meter {
  margin-top: 1.5rem;
}
.meter__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}
.meter__value {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 1.1rem;
}
.meter__max {
  color: var(--ink-64);
  font-size: 0.85rem;
}
.meter__track {
  margin-top: 0.5rem;
  height: 6px;
  border-radius: 999px;
  background: var(--ink-12);
  overflow: hidden;
}
.meter__fill {
  height: 100%;
  background: var(--ink);
  border-radius: 999px;
}

.evidence {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  border-top: var(--rule);
}
.evidence li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.25rem 0.75rem;
  padding: 0.7rem 0;
  border-bottom: var(--rule);
  font-family: var(--mono);
  font-size: 0.8rem;
}
.evidence__src {
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--ink);
}
.evidence__note {
  color: var(--ink-64);
}

.card__foot {
  margin-top: 1rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--amber);
}

/* ── Cautionary strip (the only inverted section) ───────── */
.strip {
  background: var(--ink);
  color: var(--paper);
}
.strip__inner {
  padding-block: clamp(3rem, 6vw, 4.5rem);
  max-width: 60ch;
}
.strip__lede {
  font-size: clamp(1.2rem, 2.4vw, 1.6rem);
  line-height: 1.4;
  letter-spacing: -0.01em;
}
.strip__note {
  margin-top: 1.25rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: color-mix(in srgb, var(--paper) 78%, transparent);
}

/* ── How it works ───────────────────────────────────────── */
.stages {
  list-style: none;
  margin: 2.5rem 0 0;
  padding: 0;
  border-top: 1px solid var(--ink);
}
.stage {
  display: grid;
  grid-template-columns: 5rem 1fr;
  gap: 0.25rem 1.5rem;
  padding: 1.4rem 0;
  border-bottom: var(--rule);
}
.stage__no {
  grid-row: span 2;
  font-family: var(--mono);
  font-weight: 500;
  font-size: 1.5rem;
  letter-spacing: 0.04em;
  color: var(--ink);
}
.stage__name {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-64);
  align-self: center;
}
.stage__body {
  font-size: 1.05rem;
  max-width: 60ch;
}

/* ── Who it's for ───────────────────────────────────────── */
.who {
  background: color-mix(in srgb, var(--steel) 22%, var(--paper));
  border-block: var(--rule);
}
.segments {
  list-style: none;
  margin: 2.5rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.segments li {
  border: 1px solid var(--ink-12);
  border-radius: 2px;
  background: var(--paper);
  padding: 0.7rem 1rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
}
.who__para {
  margin-top: 2.5rem;
  font-size: clamp(1.1rem, 1.8vw, 1.3rem);
  line-height: 1.5;
  max-width: 60ch;
  color: var(--ink-80);
}

/* ── The memo ───────────────────────────────────────────── */
.memo__layout {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.72fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}
.doc {
  background: #fff;
  border: 1px solid var(--ink-12);
  border-radius: 2px;
  padding: clamp(1.5rem, 3vw, 2.5rem);
  box-shadow: 0 18px 40px -34px rgba(18, 40, 58, 0.6);
}
.doc__cover {
  border-bottom: 1px solid var(--ink);
  padding-bottom: 1.25rem;
}
.doc__kicker {
  color: var(--ink-64);
}
.doc__meta {
  margin: 1rem 0 0;
  display: grid;
  gap: 0.6rem;
}
.doc__meta > div {
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: 0.75rem;
}
.doc__meta dt {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-64);
  padding-top: 0.15rem;
}
.doc__meta dd {
  margin: 0;
  font-size: 0.95rem;
}
.doc__sections {
  list-style: none;
  margin: 0;
  padding: 0;
}
.doc__sections li {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  padding: 0.8rem 0;
  border-bottom: var(--rule);
  font-size: 1rem;
}
.doc__sections li:last-child {
  border-bottom: 0;
}
.doc__sections em {
  color: var(--ink-64);
  font-style: normal;
  font-size: 0.9rem;
}
.doc__sec-no {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--ink-64);
}
.memo__caption {
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  line-height: 1.4;
  letter-spacing: -0.01em;
  max-width: 22ch;
}

/* ── Secure Innovation ──────────────────────────────────── */
.si {
  border-top: var(--rule);
}
.si__inner {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  align-items: flex-start;
}
.si__body {
  font-size: clamp(1.25rem, 2.6vw, 1.75rem);
  line-height: 1.4;
  letter-spacing: -0.01em;
  max-width: 34ch;
  font-weight: 600;
}
.link-out {
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 2px;
}
.link-out:hover {
  color: var(--ink-64);
}

/* ── Pricing ────────────────────────────────────────────── */
.tiers {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}
.tier {
  border: 1px solid var(--ink-12);
  border-radius: 6px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: var(--paper);
}
.tier--feature {
  border-color: var(--ink);
}
.tier__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: var(--rule);
}
.tier__name {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.tier__price {
  font-size: 1.5rem;
  font-weight: 600;
}
.tier__unit {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-64);
}
.tier__desc {
  color: var(--ink-80);
  flex: 1;
}
.tier__cta {
  align-self: flex-start;
}
.pricing__cohort {
  margin-top: 1.75rem;
  font-size: 1rem;
  color: var(--ink-80);
  max-width: 60ch;
}
.pricing__gst {
  margin-top: 0.5rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--ink-64);
}

/* ── FAQ ────────────────────────────────────────────────── */
.faq__list {
  margin-top: 2rem;
  border-top: 1px solid var(--ink);
}
.faq details {
  border-bottom: var(--rule);
}
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 1.15rem 2rem 1.15rem 0;
  position: relative;
  font-size: 1.1rem;
  font-weight: 600;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary::after {
  content: "+";
  position: absolute;
  right: 0.2rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--mono);
  font-weight: 500;
  color: var(--ink-64);
}
.faq details[open] summary::after {
  content: "–";
}
.faq details p {
  padding: 0 2rem 1.35rem 0;
  color: var(--ink-80);
  max-width: 62ch;
}

/* ── Request form ───────────────────────────────────────── */
.request {
  background: color-mix(in srgb, var(--steel) 22%, var(--paper));
  border-top: var(--rule);
}
.request__lede {
  margin-top: 1rem;
  font-size: 1.1rem;
  color: var(--ink-80);
  max-width: 52ch;
}
.form {
  margin-top: 2rem;
  display: grid;
  gap: 1.25rem;
  max-width: 32rem;
}
.field {
  display: grid;
  gap: 0.5rem;
}
.field label {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
}
.req {
  color: var(--ink);
}
.opt {
  color: var(--ink-64);
  letter-spacing: 0.06em;
}
.field input,
.field select {
  font-family: var(--sans);
  font-size: 1rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--ink-12);
  border-radius: var(--radius);
  padding: 0.8rem 0.9rem;
  width: 100%;
}
.field input:focus,
.field select:focus {
  border-color: var(--ink);
  outline: 2px solid var(--ink);
  outline-offset: 1px;
}
.field input::placeholder {
  color: var(--ink-64);
}
.field select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink) 50%),
    linear-gradient(135deg, var(--ink) 50%, transparent 50%);
  background-position: calc(100% - 20px) center, calc(100% - 15px) center;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}

/* honeypot: visually and semantically removed for humans */
.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form__submit {
  justify-self: flex-start;
}
.form__fineprint {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--ink-64);
}
.form__status {
  margin: 0;
  padding: 0.9rem 1.1rem;
  border-radius: var(--radius);
  border: 1px solid currentColor;
  font-size: 0.95rem;
}
.form__status--ok {
  color: var(--green);
}
.form__status--err {
  color: var(--red);
}
.form__status a {
  color: inherit;
}

/* Success takeover: hide inputs, keep the confirmation */
.form.is-sent .field,
.form.is-sent .form__submit,
.form.is-sent .form__fineprint,
.form.is-sent .hp {
  display: none;
}

/* ── Footer ─────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--ink);
  padding-block: 2.5rem;
}
.footer__disclaimer {
  font-size: 0.9rem;
  color: var(--ink-64);
  max-width: 70ch;
}
.footer__row {
  margin-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  align-items: center;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-64);
}
.footer__email {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--ink-12);
}
.footer__email:hover {
  border-color: var(--ink);
}
.footer__copy {
  margin-left: auto;
}

/* ── Bearing line draw-in (motion-safe only) ────────────── */
.bearing {
  stroke-dashoffset: 0;
}
@media (prefers-reduced-motion: no-preference) {
  .bearing {
    stroke-dasharray: 1500;
    stroke-dashoffset: 1500;
    animation: draw-bearing 2.4s cubic-bezier(0.2, 0.6, 0.2, 1) 0.35s forwards;
  }
  @keyframes draw-bearing {
    to {
      stroke-dashoffset: 0;
    }
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 860px) {
  .nav__links {
    display: none;
  }
  .hero__inner {
    grid-template-columns: 1fr;
  }
  .card {
    margin-top: 2.25rem;
  }
  .memo__layout {
    grid-template-columns: 1fr;
  }
  .memo__caption {
    max-width: none;
  }
}

@media (max-width: 560px) {
  .tiers {
    grid-template-columns: 1fr;
  }
  .stage {
    grid-template-columns: 3.25rem 1fr;
    gap: 0.15rem 1rem;
  }
  .stage__no {
    font-size: 1.2rem;
  }
  .card__name {
    font-size: 0.92rem;
  }
}