/* HAVERSHAM Solutions. Palette from the brand sheet; layout language from the
   reference style: dark editorial canvas, uppercase headings, pill buttons,
   dashed hairlines, no shadows, one rare accent (Signal Orange). */

@font-face {
  font-family: "Sora";
  font-style: normal;
  font-weight: 100 800;
  font-display: swap;
  src: url("/fonts/sora-latin-variable.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --ink: #0f1c2e;          /* Midnight Ink: canvas */
  --ink-raised: #15253a;   /* one step above the canvas: cards */
  --ink-high: #1c3049;     /* inputs, hover */
  --line: #2c3f57;         /* hairlines */
  --slate: #3a4a5c;
  --mist: #c9d2dc;         /* secondary text */
  --paper: #f5f3ee;        /* primary text, filled button */
  --signal: #ff5a1f;       /* accent: logo node, eyebrow rule, errors */
  --success: #7fd1b0;
  --radius-card: 12px;
  --radius-pill: 36px;
  --max: 1200px;
  --gutter: 24px;
  --font: "Sora", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 24px; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  overflow-wrap: break-word;
}
img, svg { max-width: 100%; }
a { color: var(--paper); text-decoration-color: color-mix(in srgb, var(--paper) 45%, transparent); text-underline-offset: 4px; }
a:hover { text-decoration-color: var(--signal); }
:focus-visible { outline: 2px solid var(--paper); outline-offset: 3px; border-radius: 4px; }
::selection { background: var(--signal); color: var(--ink); }

h1, h2, h3 { margin: 0; font-weight: 600; line-height: 1.08; text-transform: uppercase; letter-spacing: 0.01em; text-wrap: balance; }
p { margin: 0; }
address { font-style: normal; }
.muted { color: var(--mist); }
.small { font-size: 0.9rem; }
.mono { font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.06em; text-transform: uppercase; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.plain { margin: 0; padding: 0; list-style: none; }
.plain li + li { margin-top: 8px; }

.skip-link { position: absolute; left: 16px; top: -60px; z-index: 50; padding: 10px 16px; background: var(--paper); color: var(--ink); border-radius: var(--radius-pill); font-weight: 600; }
.skip-link:focus { top: 12px; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.narrow { max-width: 820px; }

/* Logo lockup (built from the brand sheet geometry) */
.lockup { display: inline-flex; align-items: center; gap: 12px; color: var(--paper); }
.symbol { width: 38px; height: 38px; flex: none; fill: currentColor; }
.symbol .node { fill: var(--signal); }
.wordmark { display: inline-flex; flex-direction: column; gap: 5px; }
.wm-name { font-size: 1.2rem; font-weight: 700; letter-spacing: 0.04em; margin-right: -0.04em; line-height: 0.9; }
.wm-sub { display: flex; justify-content: space-between; font-size: 0.55rem; font-weight: 500; color: var(--mist); line-height: 1; }

/* Header */
.site-header { position: relative; z-index: 20; border-bottom: 1px dashed var(--line); }
.header-row { display: flex; align-items: center; gap: 24px; min-height: 80px; }
.brand { text-decoration: none; margin-right: auto; }
.site-nav ul { display: flex; gap: 28px; margin: 0; padding: 0; list-style: none; }
.site-nav a, .mobile-menu nav a:not(.button) { color: var(--mist); text-decoration: none; font-size: 0.85rem; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--paper); }
.site-nav a[aria-current="page"] { text-decoration: underline; text-decoration-color: var(--signal); text-decoration-thickness: 2px; text-underline-offset: 8px; }
.mobile-menu { display: none; }

@media (max-width: 1023px) {
  .site-header .site-nav, .site-header .header-cta { display: none; }
  .mobile-menu { display: block; }
  .mobile-menu summary { list-style: none; cursor: pointer; padding: 9px 18px; border: 1px solid var(--paper); border-radius: 22.5px; font-size: 0.8rem; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; }
  .mobile-menu summary::-webkit-details-marker { display: none; }
  .mobile-menu[open] summary { background: var(--paper); color: var(--ink); }
  .mobile-menu nav { position: absolute; left: 0; right: 0; top: 100%; padding: 12px var(--gutter) 28px; background: var(--ink); border-bottom: 1px dashed var(--line); }
  .mobile-menu ul { margin: 0 0 20px; padding: 0; list-style: none; }
  .mobile-menu li a { display: block; padding: 14px 0; border-bottom: 1px dashed var(--line); font-size: 1rem !important; }
  .mobile-menu li a[aria-current="page"] { color: var(--paper); }
  .mobile-menu nav .button { width: 100%; }
}

/* Buttons */
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 50px; padding: 0 28px; border: 1px solid var(--paper); border-radius: var(--radius-pill);
  background: var(--paper); color: var(--ink); font: inherit; font-size: 0.85rem; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase; text-decoration: none; white-space: nowrap; cursor: pointer;
}
.button:hover { background: #ffffff; }
.button-outline { background: transparent; color: var(--paper); border-radius: 22.5px; }
.button-outline:hover { background: var(--ink-high); }
.button-small { min-height: 42px; padding: 0 20px; font-size: 0.75rem; }
.button[disabled] { opacity: 0.6; cursor: progress; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 40px; }

/* Hero */
.hero { padding: 104px 0 112px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 56px; align-items: center; }
.eyebrow { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 24px; color: var(--mist); font-size: 0.78rem; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 28px; height: 2px; flex: none; margin-top: 0.62em; background: var(--signal); }
.hero h1 { font-size: clamp(2.3rem, 1.2rem + 4.4vw, 4.6rem); font-weight: 600; line-height: 1.02; }
.lead { max-width: 62ch; margin-top: 28px; color: var(--mist); font-size: clamp(1.05rem, 0.98rem + 0.35vw, 1.3rem); line-height: 1.55; }
.hero-mark { display: grid; justify-items: center; gap: 22px; padding: 48px 24px; border: 1px dashed var(--line); border-radius: var(--radius-card); }
.hero-mark .symbol { width: min(240px, 70%); height: auto; aspect-ratio: 1; }
.hero-mark p { color: var(--mist); }

/* Sections */
.section { padding: 96px 0; border-top: 1px dashed var(--line); }
.section-tight { padding-top: 24px; border-top: 0; }
.section-head { max-width: 760px; margin-bottom: 48px; }
.section-head h2 { font-size: clamp(1.7rem, 1.2rem + 1.9vw, 2.8rem); }
.section-intro { margin-top: 18px; color: var(--mist); font-size: 1.08rem; }

.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card { display: flex; flex-direction: column; gap: 12px; padding: 28px; background: var(--ink-raised); border: 1px solid var(--line); border-radius: var(--radius-card); }
.card h3 { font-size: 1.02rem; line-height: 1.25; }
.card p { color: var(--mist); font-size: 0.98rem; }
.card .index { color: var(--mist); font-size: 0.72rem; }
.card-link { color: inherit; text-decoration: none; transition: border-color 0.15s ease, background-color 0.15s ease; }
.card-link:hover { border-color: var(--mist); background: var(--ink-high); }
.card-more { margin-top: auto; padding-top: 8px; font-size: 0.78rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; }
.arrow { color: var(--signal); }
.card-title { font-size: 0.85rem; font-weight: 600; letter-spacing: 0.08em; color: var(--mist); margin-bottom: 20px; }

.project-card { gap: 16px; padding: 36px; }
.project-card h3 { font-size: clamp(1.3rem, 1.1rem + 0.8vw, 1.8rem); }
.project-domain { color: var(--mist); }
.project-card .button { align-self: flex-start; margin-top: 12px; }

/* Workflows */
.workflows { display: grid; gap: 18px; }
.workflow { margin: 0; padding: 26px 28px; border: 1px dashed var(--line); border-radius: var(--radius-card); }
.workflow figcaption { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 12px; margin-bottom: 18px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; }
.tag { padding: 3px 10px; border: 1px solid var(--line); border-radius: 999px; color: var(--mist); font-family: var(--mono); font-size: 0.68rem; font-weight: 400; letter-spacing: 0.08em; }
.workflow ol { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin: 0; padding: 0; list-style: none; }
.workflow li { padding: 10px 16px; background: var(--ink-raised); border: 1px solid var(--line); border-radius: var(--radius-pill); color: var(--paper); font-size: 0.92rem; }
.workflow li + li::before { content: "→"; margin-right: 10px; margin-left: -4px; color: var(--signal); }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; margin: 0; padding: 0; list-style: none; }
.steps li { padding-top: 22px; border-top: 2px solid var(--paper); }
.steps .step-index { color: var(--signal); }
.steps h3 { margin: 14px 0 10px; font-size: 1.02rem; }
.steps p { color: var(--mist); font-size: 0.98rem; }

/* FAQ */
.faq details { border-bottom: 1px dashed var(--line); }
.faq details:first-child { border-top: 1px dashed var(--line); }
.faq summary { position: relative; padding: 24px 48px 24px 0; cursor: pointer; list-style: none; font-weight: 500; font-size: 1.08rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%); font-size: 1.5rem; font-weight: 300; color: var(--mist); }
.faq details[open] summary::after { content: "−"; }
.faq details p { padding: 0 0 26px; color: var(--mist); max-width: 68ch; }

/* Contact and form */
.contact-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 64px; align-items: start; }
.contact-grid-form-first { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); }
.contact-list { display: grid; gap: 22px; margin: 0; }
.contact-list div { padding-bottom: 18px; border-bottom: 1px dashed var(--line); }
.contact-list dt, .facts dt { color: var(--mist); font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; }
.contact-list dd, .facts dd { margin: 6px 0 0; }

.enquiry-form { display: grid; gap: 20px; padding: 32px; background: var(--ink-raised); border: 1px solid var(--line); border-radius: var(--radius-card); }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.field { display: grid; gap: 8px; align-content: start; }
.field label { font-size: 0.78rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; }
.optional { color: var(--mist); font-weight: 400; text-transform: none; letter-spacing: 0; }
.field input, .field select, .field textarea {
  width: 100%; min-height: 50px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 0;
  background: var(--ink); color: var(--paper); font: inherit; font-size: 1rem;
}
.field textarea { resize: vertical; min-height: 140px; }
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--mist) 50%), linear-gradient(135deg, var(--mist) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 14px) 50%; background-size: 6px 6px; background-repeat: no-repeat; padding-right: 40px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--paper); outline-offset: 0; border-color: var(--paper); }
.field [aria-invalid="true"] { border-color: var(--signal); }
.hint { color: var(--mist); font-size: 0.85rem; }
.error { color: #ff8a5c; font-size: 0.88rem; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.privacy-notice { color: var(--mist); font-size: 0.88rem; }
.form-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 20px; }
.form-status { flex: 1 1 260px; font-size: 0.95rem; }
.form-status.is-success { color: var(--success); }
.form-status.is-error { color: #ff8a5c; }

/* Inner pages */
.page-head { padding: 88px 0 56px; }
.page-head-tall { padding: 120px 0; }
.page-head h1 { font-size: clamp(2.1rem, 1.3rem + 3.2vw, 3.8rem); }
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 36px; }
.chips a { padding: 9px 18px; border: 1px solid var(--line); border-radius: 22.5px; color: var(--mist); text-decoration: none; font-size: 0.8rem; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; }
.chips a:hover { border-color: var(--paper); color: var(--paper); }

.service-list { display: grid; gap: 18px; }
.service { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 40px; padding: 32px; background: var(--ink-raised); border: 1px solid var(--line); border-radius: var(--radius-card); scroll-margin-top: 24px; }
.service h3 { font-size: 1.25rem; margin-bottom: 14px; }
.service p { color: var(--mist); }
.service .note { margin-top: 14px; padding-left: 14px; border-left: 2px solid var(--signal); font-size: 0.92rem; }
.scope { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.scope li { padding-bottom: 10px; border-bottom: 1px dashed var(--line); font-size: 0.96rem; }
.scope li::before { content: "—"; margin-right: 10px; color: var(--signal); }

.cta-band { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 28px; }
.cta-band h2 { font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.2rem); margin-bottom: 12px; }
.cta-band p { max-width: 62ch; color: var(--mist); }

.split { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 56px; align-items: start; }
.facts dl { display: grid; gap: 18px; margin: 0; }

.prose h2 { margin: 48px 0 14px; font-size: 1.3rem; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin: 28px 0 10px; font-size: 1rem; letter-spacing: 0.04em; }
.prose p + p { margin-top: 14px; }
.prose ul, .prose ol { padding-left: 1.3rem; }
.prose li + li { margin-top: 8px; }
.prose p, .prose li { color: #e2e6ea; }

/* Footer */
.site-footer { padding: 72px 0 48px; border-top: 1px dashed var(--line); color: var(--mist); font-size: 0.93rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; }
.footer-tagline { margin-top: 20px; color: var(--paper); font-weight: 500; }
.footer-descriptor { margin-top: 8px; font-size: 0.68rem; }
.footer-title { margin-bottom: 14px; color: var(--paper); font-size: 0.78rem; letter-spacing: 0.08em; }
.site-footer a { color: var(--mist); }
.site-footer a:hover { color: var(--paper); }
.legal-line { margin-top: 56px; padding-top: 22px; border-top: 1px dashed var(--line); font-size: 0.85rem; }

/* Responsive */
@media (max-width: 1100px) {
  .grid-4, .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .hero-grid, .contact-grid, .split, .service { grid-template-columns: 1fr; }
  .hero-mark { display: none; }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .contact-grid, .split { gap: 40px; }
  .service { gap: 24px; }
}
@media (max-width: 640px) {
  :root { --gutter: 16px; }
  .grid-2, .grid-3, .grid-4, .steps, .form-grid, .footer-grid { grid-template-columns: 1fr; }
  .hero { padding: 64px 0 72px; }
  .section { padding: 64px 0; }
  .section-tight { padding-top: 8px; }
  .page-head { padding: 56px 0 36px; }
  .card, .service, .enquiry-form, .project-card { padding: 22px; }
  .actions .button, .cta-band .button { width: 100%; }
  .workflow li { width: 100%; }
  .workflow li + li::before { content: "↓"; }
  .form-actions .button { width: 100%; }
}
@media (max-width: 360px) {
  .wm-name { font-size: 1.05rem; }
  .symbol { width: 32px; height: 32px; }
  .button { padding: 0 18px; letter-spacing: 0.04em; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}