/* Kaha Tahi Ltd — site styles
   Plain multi-page static site. Design language carried over from the
   original DC-rendered homepage: dark navy ground, safety-orange accent,
   Fraunces headings, Inter body, Kaha Sans display. */

@font-face {
  font-family: 'Kaha Sans';
  src: url('/assets/fonts/KahaSans-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  /* the site is committed-dark; "only dark" tells browsers not to
     auto-invert it (Chrome Auto Dark Mode etc.) */
  color-scheme: only dark;

  --bg:            oklch(0.16 0.05 255);
  --bg-raised:     oklch(0.21 0.05 255);
  --bg-card:       oklch(0.235 0.05 255);
  --border:        oklch(0.32 0.05 255);
  --border-soft:   oklch(0.28 0.05 255);

  --text:          oklch(0.94 0.012 255);
  --text-muted:    oklch(0.83 0.02 255);
  --text-faint:    oklch(0.67 0.02 255);

  /* paper panels — the letterhead's spare lightness (light-mode only;
     dark-mode visitors get the blue treatment instead, see media query below).
     A warm aged manila, not a bright white. */
  --paper:         oklch(0.89 0.02 82);
  --paper-edge:    oklch(0.80 0.022 82);
  --ink:           oklch(0.26 0.05 258);
  --ink-soft:      oklch(0.30 0.05 258);
  --ink-faint:     oklch(0.43 0.045 258);
  --ink-link:      oklch(0.38 0.13 248);

  --accent:        oklch(0.74 0.16 52);
  --accent-hi:     oklch(0.83 0.13 58);
  --accent-link:   oklch(0.82 0.05 255);
  --on-accent:     oklch(0.14 0.03 60);

  --font-body:  'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-head:  'Fraunces', 'Iowan Old Style', Georgia, serif;
  --font-disp:  'Kaha Sans', 'Archivo Black', var(--font-body);

  --wrap:  1180px;
  --wrap-narrow: 760px;
}

* { box-sizing: border-box; }

/* ---- paper panels: aged manila, dark ink. Same in every mode. ---- */
.panel, .card, .tier, .pillar-grid > div > h3 {
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--paper-edge);
  border-radius: 12px;
  box-shadow: 0 3px 14px -10px oklch(0.05 0.03 260 / 0.45);
}
/* every text element on paper is dark ink; only tiny sub-labels are mid */
.panel, .card, .tier { --text: var(--ink); --text-muted: var(--ink); --text-faint: var(--ink-faint); }
.panel :where(h1,h2,h3,h4,h5,p,li,span,dd,dt,strong,label),
.card :where(h1,h2,h3,p,li,span,strong),
.tier :where(h1,h2,h3,h4,p,li,span,div,strong) { color: var(--ink); }
.tier-name, .tier-price { color: var(--ink); }
.tier-note, .panel .form-status { color: var(--ink-faint); }
.panel .kicker, .card .kicker, .tier .kicker { color: var(--ink-link); }
.panel a, .card a, .tier a, .panel .contact-lines a { color: var(--ink-link); }
.tier ul li::before { color: var(--ink-link); }

/* buttons on paper: solid navy fill, primary and "ghost" alike */
.panel .btn, .card .btn, .tier .btn,
.panel .btn-ghost, .card .btn-ghost, .tier .btn-ghost {
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink);
}
.panel .btn:hover, .card .btn:hover, .tier .btn:hover,
.panel .btn-ghost:hover, .card .btn-ghost:hover, .tier .btn-ghost:hover {
  background: oklch(0.19 0.05 258);
  color: var(--paper);
}

/* nested blue box inside a paper panel — light text on navy */
.panel .form input, .panel .form textarea {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  color: var(--text);
}
.panel .form input::placeholder, .panel .form textarea::placeholder { color: var(--text-faint); }
.panel .form input:focus, .panel .form textarea:focus { outline-color: var(--ink-link); }

/* the pillar checklist: a blue box (light text) set against the paper title
   chip above and the dark ground around it */
.pillar-grid > div > ul {
  background: var(--bg-raised);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 12px;
}
.pillar-grid > div > ul li { color: var(--text-muted); }
.pillar-grid > div > ul li::before { color: var(--accent); }

/* wordmark chip in the nav — the letterhead stamp; stays paper in both modes */
.nav-wordmark {
  display: inline-flex;
  align-items: baseline;
  gap: 0.35em;
  font-family: var(--font-disp);
  font-size: 1.3rem;
  line-height: 1;
  letter-spacing: 0.03em;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--paper-edge);
  border-radius: 9px;
  padding: 8px 15px;
  text-decoration: none;
  flex: none;
}
.nav-wordmark span { font-size: 0.5em; color: var(--ink-faint); letter-spacing: 0.06em; }
.nav-wordmark:hover { color: var(--ink); background: oklch(0.93 0.018 82); }
/* on the homepage the big logo floats up into the nav's left corner —
   push the wordmark clear of it */
.top-nav .nav-wordmark { margin-left: 300px; }
@media (max-width: 900px) {
  .top-nav .nav-wordmark { margin-left: 0; }
}
@media (max-width: 720px) {
  .nav-wordmark { font-size: 1.1rem; padding: 6px 12px; }
}

/* wordmark lockup — the letterhead's KAHA TAHI, used sparingly */
.wordmark {
  font-family: var(--font-disp);
  font-size: 1.7rem;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--text);
  margin: 0 0 12px;
}
.wordmark span { font-size: 0.55em; color: var(--text-muted); letter-spacing: 0.02em; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--accent-link); text-decoration: none; }
a:hover { color: var(--accent-hi); }

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 500;
  line-height: 1.15;
  margin: 0 0 0.5em;
  text-wrap: balance;
}
h1 { font-size: clamp(2rem, 1.4rem + 2.6vw, 3.1rem); }
h2 { font-size: clamp(1.5rem, 1.2rem + 1.4vw, 2.1rem); }
h3 { font-size: 1.2rem; }

p { margin: 0 0 1rem; }
img { max-width: 100%; height: auto; display: block; }

::selection { background: oklch(0.35 0.04 250); }

/* ---- layout helpers ---- */

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.wrap-narrow { max-width: var(--wrap-narrow); margin: 0 auto; padding: 0 24px; }

.section { padding: 72px 0; border-top: 1px solid var(--border-soft); }
.section:first-of-type { border-top: 0; }

.kicker {
  font-family: var(--font-disp);
  font-size: 0.82rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 14px;
  font-weight: 400;
}

.lede { font-size: 1.15rem; color: var(--text-muted); max-width: 60ch; }

/* ---- nav ---- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 24px;
  background: oklch(0.16 0.02 250 / 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-soft);
}
.nav-brand { display: flex; align-items: center; gap: 11px; }
.nav-brand img { width: 32px; height: 32px; object-fit: contain; }
.nav-brand b {
  font-family: var(--font-disp);
  font-weight: 400;
  font-size: 1.2rem;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--text);
}
.nav-brand span { font-weight: 600; font-size: 0.9rem; color: var(--text-muted); }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { color: var(--text-muted); font-size: 0.95rem; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text); }
.nav-links .btn { color: var(--on-accent); }

@media (max-width: 720px) {
  .nav { flex-wrap: wrap; }
  .nav-links { gap: 16px; font-size: 0.9rem; flex-wrap: wrap; }
}

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

.btn {
  display: inline-block;
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 24px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s ease;
}
.btn:hover { background: var(--accent-hi); color: var(--on-accent); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover { background: var(--bg-raised); color: var(--text); border-color: var(--text-faint); }

/* ---- hero ---- */

.hero { padding: 84px 0 64px; text-align: center; }
.hero .lede { margin-left: auto; margin-right: auto; }
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 32px; }

/* Intro block — brand mark beside the headline (the earlier redesign's top).
   Logo left, kicker + headline right; stacks + centres on narrow screens. */
.nav--lean { justify-content: flex-end; }
.intro {
  max-width: 1280px;
  margin: 4px auto -36px;
  padding: 0 48px;
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(16px, 3vw, 40px);
  align-items: center;
}
.intro-mark { width: clamp(170px, 22vw, 270px); height: auto; display: block; align-self: start; }
.intro-copy .kicker { margin-bottom: 10px; }
.intro-copy h1 {
  font-family: var(--font-head);
  font-size: clamp(1.4rem, 1rem + 1.5vw, 1.8rem);
  font-weight: 500;
  line-height: 1.3;
  margin: 0;
  max-width: 52ch;
}

/* Services 3-up grid (redesign) — title + short desc over a portrait photo. */
.svc-grid {
  max-width: 1280px;
  margin: 0 auto;
  padding: 56px 48px 72px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.svc-card { display: block; color: inherit; }
.svc-card:hover { color: inherit; }
.svc-card:hover h3 { color: var(--accent); }
.svc-card:hover .svc-photo img { opacity: 0.9; }
.svc-card h3 {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0 0 8px;
  border-top: 2px solid var(--border);
  padding-top: 14px;
  transition: color 0.15s ease;
}
.svc-card p { font-size: 0.9rem; line-height: 1.55; color: var(--text-muted); margin: 0 0 16px; }
.svc-card .svc-photo { aspect-ratio: 3 / 4; border-radius: 16px; overflow: hidden; }
.svc-card .svc-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.svc-actions { max-width: 1280px; margin: 0 auto; padding: 0 48px 8px; display: flex; gap: 16px; flex-wrap: wrap; }

@media (max-width: 860px) {
  .svc-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .intro {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
    gap: 18px;
    margin: 0 auto;
    padding: 24px 20px 8px;
  }
  .intro-copy h1 { max-width: none; }
  .svc-grid, .svc-actions { padding-left: 20px; padding-right: 20px; }
}

/* ---- cards / grids ---- */

.grid { display: grid; gap: 26px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 860px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

.card { padding: 20px; }
.card h1, .card h2, .card h3 { margin-bottom: 8px; }

/* service pillar rows */
.pillar { padding: 40px 0; border-top: 1px solid var(--border-soft); scroll-margin-top: 84px; }
.pillar:first-child { border-top: 0; }
.pillar-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: stretch; }
.pillar-grid.reverse > .pillar-media { order: 2; }
.pillar-media { border-radius: 12px; overflow: hidden; background: var(--bg-card); min-height: 360px; }
.pillar-media img { width: 100%; height: 100%; object-fit: cover; object-position: center 22%; display: block; }
@media (max-width: 860px) {
  .pillar-grid { grid-template-columns: 1fr; gap: 24px; align-items: start; }
  .pillar-grid.reverse > .pillar-media { order: 0; }
  .pillar-media { min-height: 0; aspect-ratio: 4 / 3; }
}

/* pillar: heavy-sans title in a tight paper chip; paragraph on the dark;
   checklist as a blue box (see the .pillar-grid > div > ul rule above) */
.pillar-grid > div > h3 {
  display: inline-block;
  font-family: 'Archivo Black', var(--font-disp), sans-serif;
  font-weight: 400;
  font-size: 1.3rem;
  line-height: 1.15;
  letter-spacing: 0.002em;
  padding: 9px 14px 7px;
  margin: 0 0 16px;
}
.pillar-grid > div > p { color: var(--text); margin: 0 0 18px; }
.pillar-grid > div > ul {
  list-style: none;
  margin: 0 0 20px;
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.pillar-grid > div > ul li { font-size: 0.94rem; }
.pillar-grid > div > ul li::before { content: "✓"; margin-right: 9px; font-weight: 700; }

/* ---- pricing tiers ---- */

.tiers { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 18px; margin: 26px 0; }
.tier { padding: 20px; display: flex; flex-direction: column; }
.tier.featured { border-color: var(--accent); border-width: 2px; }
.tier-name { font-family: var(--font-head); font-size: 1.12rem; margin-bottom: 4px; }
.tier-price { font-size: 1.65rem; font-weight: 600; margin: 6px 0 2px; }
.tier-price small { font-size: 0.9rem; font-weight: 400; color: var(--ink-faint); }
.tier-note { font-size: 0.85rem; color: var(--ink-faint); margin-bottom: 14px; }
.tier ul { list-style: none; padding: 0; margin: 0 0 16px; display: flex; flex-direction: column; gap: 8px; font-size: 0.92rem; }
.tier ul li::before { content: "–"; margin-right: 8px; }
.tier .btn { margin-top: auto; text-align: center; }

.fineprint { font-size: 0.85rem; color: var(--text-faint); max-width: 62ch; }
.fineprint sup { color: var(--accent); }

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

.form { display: flex; flex-direction: column; gap: 12px; }
.form input, .form textarea {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 13px 15px;
  color: var(--text);
  font: inherit;
  font-size: 0.95rem;
}
.form textarea { resize: vertical; min-height: 120px; }
.form input:focus, .form textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.form-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-status { font-size: 0.9rem; color: var(--text-muted); min-height: 1.2em; }
.form-status.ok { color: var(--accent-hi); }
.form-status.err { color: oklch(0.72 0.15 25); }

.contact-lines { display: flex; flex-direction: column; gap: 8px; font-size: 1rem; }

/* ---- article / journal ---- */

.article { padding: 56px 0 72px; }
.article-meta { color: var(--text-faint); font-size: 0.9rem; margin-bottom: 8px; }
.article h1 { margin-bottom: 16px; }
.article-body { font-size: 1.06rem; }
.article-body > * { max-width: 68ch; }
.article-body h2 { margin-top: 1.8em; }
.article-body h3 { margin-top: 1.6em; font-family: var(--font-head); }
.article-body ul, .article-body ol { padding-left: 1.3em; }
.article-body li { margin-bottom: 0.4em; }
.article-body blockquote {
  margin: 1.4em 0;
  padding: 4px 0 4px 20px;
  border-left: 3px solid var(--accent);
  color: var(--text-muted);
  font-style: italic;
}
.article-body a { text-decoration: underline; }
.article-body code {
  background: var(--bg-raised);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 0.9em;
}
.article-body hr { border: 0; border-top: 1px solid var(--border-soft); margin: 2em 0; }

.post-list { display: flex; flex-direction: column; gap: 4px; }
.post-item { display: block; padding: 22px 0; border-top: 1px solid var(--border-soft); }
.post-item:hover { background: oklch(0.18 0.02 250); }
.post-item .article-meta { margin-bottom: 4px; }
.post-item h3 { margin-bottom: 6px; color: var(--text); font-size: 1.25rem; }
.post-item p { margin: 0; color: var(--text-muted); font-size: 0.96rem; }

.backlink { font-size: 0.9rem; display: inline-block; margin-bottom: 28px; }
.backlink::before { content: "← "; }

/* ---- doc pages ---- */

.doc { padding: 48px 0 72px; }
.doc-body { font-size: 1rem; }
.doc-body > * { max-width: 74ch; }
.doc-body h2 { margin-top: 1.9em; padding-top: 0.3em; border-top: 1px solid var(--border-soft); }
.doc-body h3 { margin-top: 1.4em; font-family: var(--font-head); font-size: 1.05rem; }
.doc-body table { border-collapse: collapse; width: 100%; max-width: 74ch; margin: 1.2em 0; font-size: 0.92rem; }
.doc-body th, .doc-body td { border: 1px solid var(--border-soft); padding: 9px 12px; text-align: left; vertical-align: top; }
.doc-body th { background: var(--bg-raised); }
.doc-callout {
  background: var(--bg-raised);
  border: 1px solid var(--border-soft);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  padding: 16px 20px;
  margin: 1.5em 0;
  font-size: 0.95rem;
  color: var(--text-muted);
}

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

.footer {
  border-top: 1px solid var(--border-soft);
  padding: 30px 0;
  color: var(--text-faint);
  font-size: 0.85rem;
}
.footer .wrap { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer a { color: var(--text-faint); }
.footer a:hover { color: var(--text-muted); }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }