/* Sightfield, sightfield.co.uk
   Tokens from BRAND/BRAND.md. Green is a precision accent, never a wash. */

:root {
  --graphite: #202522;
  --field-white: #F7F8F6;
  --mist: #DCE7DF;
  --green: #2E6B52;
  --green-deep: #245743;
  --slate: #68736D;
  --surface: #FFFFFF;
  /* accents legible on graphite (mist-tinted, not new brand colours) */
  --on-dark-muted: #B9C4BD;

  --font-display: "Sora", sans-serif;
  --font-body: "Inter", sans-serif;

  --max-w: 1120px;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-card: 0 1px 2px rgba(32, 37, 34, 0.05), 0 4px 16px rgba(32, 37, 34, 0.05);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem; /* 17px */
  line-height: 1.6;
  color: var(--graphite);
  background: var(--field-white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 1rem;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2rem, 4.5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.125rem); }
h3 { font-size: 1.1875rem; line-height: 1.35; }

p { margin: 0 0 1rem; }
a { color: var(--green); }

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 248, 246, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--mist);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 72px;
}

.header-logo img { height: 26px; width: auto; }

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-nav a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--graphite);
  text-decoration: none;
  padding: 4px 0;
}

.site-nav a:hover { color: var(--green); }

.site-nav a:focus-visible,
.btn:focus-visible,
a:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
  border-radius: 2px;
}

@media (max-width: 860px) {
  .site-nav .nav-link { display: none; }
}

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

.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  text-align: center;
  border: none;
  border-radius: var(--radius-sm);
  padding: 13px 26px;
  min-height: 48px;
  cursor: pointer;
  transition: background-color 180ms ease, color 180ms ease, transform 120ms ease;
}

.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--green);
  color: #FFFFFF;
}

.btn-primary:hover { background: var(--green-deep); }

.btn-quiet {
  background: transparent;
  color: var(--graphite);
  border: 1.5px solid var(--graphite);
}

.btn-quiet:hover { background: var(--graphite); color: var(--field-white); }

.btn-on-dark {
  background: var(--field-white);
  color: var(--graphite);
}

.btn-on-dark:hover { background: #FFFFFF; }

.site-nav .btn { padding: 10px 20px; min-height: 44px; font-size: 0.9375rem; }

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

.section { padding: 96px 0; }

@media (max-width: 700px) {
  .section { padding: 64px 0; }
}

.section-kicker {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 12px;
}

.section-intro {
  max-width: 620px;
  color: var(--slate);
  font-size: 1.125rem;
  margin-bottom: 3rem;
}

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

.hero { padding: 88px 0 96px; }

.hero .container {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 64px;
  align-items: center;
}

.hero-copy .support {
  font-size: 1.1875rem;
  color: var(--slate);
  max-width: 34em;
  margin: 1.25rem 0 2rem;
}

.hero-note {
  font-size: 0.9375rem;
  color: var(--slate);
  margin-top: 1rem;
}

@media (max-width: 900px) {
  .hero { padding: 56px 0 72px; }
  .hero .container { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { order: 2; max-width: 420px; }
}

/* screen mockup: a portrait venue screen in a mist setting */

.screen-scene {
  background: var(--mist);
  border-radius: var(--radius);
  padding: 48px 40px;
  display: flex;
  justify-content: center;
}

.venue-screen {
  width: 100%;
  max-width: 300px;
  aspect-ratio: 9 / 14.5;
  background: var(--graphite);
  border-radius: 14px;
  padding: 12px;
  box-shadow: 0 12px 32px rgba(32, 37, 34, 0.25);
  display: flex;
  flex-direction: column;
}

.screen-face {
  position: relative;
  flex: 1;
  border-radius: 6px;
  overflow: hidden;
  background: var(--field-white);
}

.screen-ad {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  padding: 24px 22px;
  opacity: 0;
  transition: opacity 600ms ease;
}

.screen-ad.is-active { opacity: 1; }

.screen-ad .ad-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  line-height: 1.2;
}

.screen-ad .ad-line { font-size: 0.875rem; line-height: 1.45; }
.screen-ad .ad-cta {
  font-size: 0.8125rem;
  font-weight: 600;
  margin-top: 10px;
}

.screen-ad[data-tone="dark"] { background: var(--graphite); color: var(--field-white); }
.screen-ad[data-tone="dark"] .ad-cta { color: var(--mist); }
.screen-ad[data-tone="light"] { background: #FFFFFF; color: var(--graphite); }
.screen-ad[data-tone="light"] .ad-cta { color: var(--green); }
.screen-ad[data-tone="green"] { background: var(--green); color: #FFFFFF; }
.screen-ad[data-tone="green"] .ad-cta { color: var(--mist); }

.screen-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 4px 2px;
  color: var(--on-dark-muted);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
}

.slot-dots { display: flex; gap: 5px; }
.slot-dots span {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: rgba(247, 248, 246, 0.3);
}
.slot-dots span.on { background: var(--field-white); }

/* ---------- how it works ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  counter-reset: step;
}

.step {
  background: var(--surface);
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow-card);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--mist);
  color: var(--green);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 18px;
}

.step p { color: var(--slate); margin: 0; font-size: 0.9375rem; }

@media (max-width: 860px) {
  .steps { grid-template-columns: 1fr; }
}

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

.price-panel {
  background: var(--surface);
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  overflow: hidden;
}

.price-figure {
  padding: 48px 40px;
  background: var(--graphite);
  color: var(--field-white);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.price-amount {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.75rem, 5vw, 3.75rem);
  line-height: 1;
}

.price-amount small {
  font-size: 0.35em;
  font-weight: 600;
  color: var(--on-dark-muted);
  margin-left: 6px;
}

.price-figure .price-sub {
  color: var(--on-dark-muted);
  margin: 14px 0 0;
  font-size: 1rem;
}

.price-includes {
  padding: 44px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.price-includes ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.price-includes li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 1rem;
}

.price-includes li svg { flex: none; margin-top: 3px; }

@media (max-width: 800px) {
  .price-panel { grid-template-columns: 1fr; }
}

/* ---------- venues ---------- */

.venues .container {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 64px;
  align-items: center;
}

.venue-facts {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  display: grid;
  gap: 14px;
}

.venue-facts li { display: flex; gap: 12px; align-items: flex-start; }
.venue-facts li svg { flex: none; margin-top: 4px; }

.coverage-note {
  background: var(--mist);
  border-radius: var(--radius);
  padding: 22px 26px;
  font-size: 0.9375rem;
  margin-top: 1.75rem;
}

.coverage-note strong { font-weight: 600; }

@media (max-width: 860px) {
  .venues .container { grid-template-columns: 1fr; gap: 40px; }
}

/* ---------- standards ---------- */

.standards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.standard {
  background: var(--surface);
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-card);
}

.standard h3 { margin-bottom: 8px; }
.standard p { color: var(--slate); font-size: 0.9375rem; margin: 0; }
.standard svg { margin-bottom: 16px; }

.no-tracking {
  margin-top: 24px;
  background: var(--graphite);
  color: var(--field-white);
  border-radius: var(--radius);
  padding: 32px 36px;
  display: flex;
  gap: 18px;
  align-items: center;
}

.no-tracking p {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
}

.no-tracking span { display: block; font-family: var(--font-body); font-weight: 400; font-size: 0.9375rem; color: var(--on-dark-muted); margin-top: 6px; }

@media (max-width: 700px) {
  .standards-grid { grid-template-columns: 1fr; }
}

/* ---------- estates (dark co-brand panel style) ---------- */

.estates {
  background: var(--graphite);
  color: var(--field-white);
}

.estates .section-kicker { color: var(--mist); }
.estates .section-intro { color: var(--on-dark-muted); }

.estate-claims {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 3rem;
}

.estate-claim {
  border: 1px solid rgba(220, 231, 223, 0.18);
  border-radius: var(--radius);
  padding: 28px;
}

.estate-claim h3 { margin-bottom: 8px; }
.estate-claim p { color: var(--on-dark-muted); font-size: 0.9375rem; margin: 0; }
.estate-claim svg { margin-bottom: 16px; }

.estates .funded-line {
  color: var(--mist);
  font-size: 1rem;
  margin: 0 0 2rem;
}

@media (max-width: 860px) {
  .estate-claims { grid-template-columns: 1fr; }
}

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

.about .container { max-width: 760px; }
.about p { color: var(--slate); font-size: 1.125rem; }

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

.enquire { background: var(--surface); border-top: 1px solid var(--mist); }

.enquire .container {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 64px;
}

.enquire-copy p { color: var(--slate); }

.enquiry-form { display: grid; gap: 20px; }

.field { display: grid; gap: 6px; }

.field label {
  font-size: 0.9375rem;
  font-weight: 500;
}

.field .optional { color: var(--slate); font-weight: 400; }

.field input,
.field select,
.field textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--graphite);
  background: var(--field-white);
  border: 1px solid var(--mist);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  min-height: 48px;
  width: 100%;
}

.field textarea { min-height: 108px; resize: vertical; }

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid var(--green);
  outline-offset: 0;
  border-color: var(--green);
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-note { font-size: 0.875rem; color: var(--slate); margin: 4px 0 0; }

.form-status { font-size: 0.9375rem; margin: 8px 0 0; }
.form-status.ok { color: var(--green); }
.form-status.err { color: #A03A2E; }

/* honeypot: visually removed, still in the DOM for bots */
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

@media (max-width: 860px) {
  .enquire .container { grid-template-columns: 1fr; gap: 40px; }
  .field-row { grid-template-columns: 1fr; }
}

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

.site-footer {
  background: var(--field-white);
  border-top: 1px solid var(--mist);
  padding: 40px 0;
}

.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.site-footer img { height: 22px; width: auto; }

.footer-legal {
  font-size: 0.875rem;
  color: var(--slate);
  display: flex;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
}

.footer-legal a { color: var(--slate); text-decoration: none; }
.footer-legal a:hover { color: var(--green); }

/* ---------- holding page ---------- */

.holding {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 24px;
}

.holding .mark { width: 72px; height: auto; margin: 0 auto 32px; }
.holding img.wordmark { height: 36px; width: auto; margin: 0 auto 24px; }
.holding p { color: var(--slate); font-size: 1.125rem; margin: 0; }