/* WF Advisory — one stylesheet, no scripts.
   Design system: design/DESIGN.md. Change tokens here, not in component rules. */

@font-face {
  font-family: "Manrope";
  src: url("/fonts/manrope-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Manrope";
  src: url("/fonts/manrope-700.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* ---------- Tokens ---------- */
:root {
  /* Field: stable ground */
  --field-950: #0a1f18;
  --field-900: #0e2a21;
  --field-600: #1f6b4f;
  /* Signal: growth accent, dark ground only */
  --signal: #c9f26b;
  /* Light ground */
  --paper: #f7f5ee;
  --sand: #eeeadf;
  --white: #ffffff;
  --ink: #13201b;
  --ink-muted: #4a5a52;
  --rule: #d9d4c5;
  /* On dark ground */
  --on-field: #f7f5ee;
  --on-field-muted: #a9bdb3;
  --rule-dark: rgba(247, 245, 238, 0.14);

  --font: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --text-display: clamp(2.5rem, 1.6rem + 4vw, 4.5rem);
  --text-h2: clamp(1.875rem, 1.4rem + 2vw, 2.75rem);
  --text-h3: 1.125rem;
  --text-lead: 1.25rem;
  --text-label: 0.8125rem;
  --text-small: 0.875rem;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --space-10: 8rem;
  --section-y: clamp(4rem, 2.5rem + 6vw, 8rem);
  --gutter: clamp(1rem, 4vw, 2.5rem);
  --content: 72rem;
  --measure: 65ch;

  --radius: 10px;
  --pill: 999px;
  --ease: 160ms ease-out;

  --focus: var(--field-600);
  color-scheme: light;
}

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
  margin: 0;
  font-weight: 700;
  line-height: 1.1;
}

p {
  margin: 0 0 var(--space-4);
  max-width: var(--measure);
}

a {
  color: var(--field-600);
  text-underline-offset: 0.18em;
  text-decoration-thickness: 1px;
}

a:hover {
  text-decoration-thickness: 2px;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  border-radius: 4px;
}

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

/* Dark ground: header, hero, contact, footer */
.on-field {
  --focus: var(--signal);
  background: var(--field-900);
  color: var(--on-field);
}

.on-field a:not(.button) {
  color: var(--on-field);
}

/* ---------- Skip link ---------- */
.skip {
  position: absolute;
  left: var(--space-2);
  top: -4rem;
  z-index: 10;
  padding: var(--space-2) var(--space-4);
  background: var(--signal);
  color: var(--field-900);
  font-weight: 700;
  border-radius: var(--pill);
}

.skip:focus {
  top: var(--space-2);
}

/* ---------- Header ---------- */
.site-header {
  border-bottom: 1px solid var(--rule-dark);
}

.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2) var(--space-6);
  padding-top: var(--space-5);
  padding-bottom: var(--space-5);
}

.wordmark {
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.wordmark-wf {
  color: var(--signal);
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-5);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a {
  display: inline-block;
  padding: var(--space-1) 0;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color var(--ease);
}

.site-nav a:hover {
  border-bottom-color: var(--signal);
}

/* ---------- Shared section parts ---------- */
.section {
  padding: var(--section-y) 0;
}

.section-sand {
  background: var(--sand);
}

.label {
  display: block;
  margin: 0 0 var(--space-4);
  font-size: var(--text-label);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--field-600);
}

.on-field .label {
  color: var(--signal);
}

.section h2 {
  font-size: var(--text-h2);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: var(--space-9) 0;
  background:
    radial-gradient(38rem 28rem at 88% 0%, rgba(201, 242, 107, 0.16), transparent 70%),
    var(--field-900);
}

.hero h1 {
  max-width: 16ch;
  margin-bottom: var(--space-5);
  font-size: var(--text-display);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.hero .highlight {
  color: var(--signal);
}

.lead {
  max-width: 52ch;
  margin-bottom: var(--space-6);
  font-size: var(--text-lead);
  color: var(--on-field-muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin: 0;
}

/* ---------- Buttons ---------- */
.button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.85rem 1.5rem;
  border: 2px solid var(--signal);
  border-radius: var(--pill);
  background: var(--signal);
  color: var(--field-900);
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  transition: background-color var(--ease), color var(--ease), border-color var(--ease);
}

.button-arrow::after {
  content: "→";
  content: "→" / "";
  transition: transform var(--ease);
}

.button:hover {
  background: var(--on-field);
  border-color: var(--on-field);
  color: var(--field-900);
}

.button-arrow:hover::after {
  transform: translateX(2px);
}

.button-ghost {
  background: transparent;
  border-color: var(--rule-dark);
  color: var(--on-field);
}

.on-field a.button-ghost {
  color: var(--on-field);
}

.button-ghost:hover {
  background: transparent;
  border-color: var(--on-field);
  color: var(--on-field);
}

/* ---------- Services ---------- */
.split {
  display: grid;
  gap: var(--space-5) var(--space-8);
}

@media (min-width: 56rem) {
  .split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr);
  }
}

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

.service-list li {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr);
  align-items: baseline;
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--rule);
  font-size: 1.125rem;
  counter-increment: service;
}

.service-list li::before {
  content: counter(service, decimal-leading-zero);
  font-size: var(--text-label);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--field-600);
}

/* ---------- Programme cards ---------- */
.intro {
  margin-bottom: var(--space-6);
  color: var(--ink-muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(16rem, 100%), 1fr));
  gap: var(--space-4);
  margin: 0;
  padding: 0;
  list-style: none;
}

.card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-5);
  background: var(--white);
  border: 1px solid var(--rule);
  border-top: 3px solid var(--field-600);
  border-radius: var(--radius);
}

.card h3 {
  font-size: var(--text-h3);
  line-height: 1.3;
}

.chip {
  margin: 0;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--pill);
  background: var(--paper);
  border: 1px solid var(--rule);
  color: var(--ink-muted);
  font-size: var(--text-small);
}

/* ---------- Contact ---------- */
.contact h2 {
  margin-bottom: var(--space-5);
}

.email {
  display: block;
  margin-bottom: var(--space-6);
  font-size: clamp(1.375rem, 0.9rem + 2.4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--signal);
  -webkit-user-select: all;
  user-select: all;
}

/* ---------- Footer ---------- */
.site-footer {
  padding: var(--space-7) 0 var(--space-8);
  background: var(--field-950);
  color: var(--on-field-muted);
  font-size: var(--text-small);
  line-height: 1.6;
}

.site-footer .wordmark {
  display: inline-block;
  margin-bottom: var(--space-4);
  color: var(--on-field);
  font-size: 1.125rem;
}

.site-footer p,
.site-footer address {
  max-width: var(--measure);
  margin: 0 0 var(--space-2);
  font-style: normal;
}

/* ---------- 404 ---------- */
.notfound {
  padding: var(--space-10) 0;
}

.notfound h1 {
  margin-bottom: var(--space-5);
  font-size: var(--text-display);
  letter-spacing: -0.03em;
}

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

  *,
  *::before,
  *::after {
    transition: none !important;
  }
}