/* Whitebrook Holding ApS. Static one-page site: no external fonts, no cookies, no trackers. */

:root {
  color-scheme: light dark;
  --bg: #FBFBFA;
  --surface: #F3F4F5;
  --ink: #0B1F3A;
  --text: #2B3748;
  --muted: #5F6B7C;
  --line: #DFE2E6;
  --accent: #2B6890;
  --stream: #C3CFDC;
  --header-bg: color-mix(in srgb, var(--bg) 90%, transparent);
  --wrap: 70rem;
  --gutter: 1rem;
  --label-col: 13.75rem;
  --header-h: 4.75rem;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  /* Motion vocabulary (review-animations STANDARDS.md) */
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #08121F;
    --surface: #0C1828;
    --ink: #EDF1F6;
    --text: #C6D0DC;
    --muted: #8C99AB;
    --line: #1C2B3F;
    --accent: #8CC0E3;
    --stream: #1F3752;
  }
}

@media (prefers-contrast: more) {
  :root {
    --muted: #3F4A59;
    --line: #8A94A3;
    --stream: #8A94A3;
    --header-bg: var(--bg);
  }
}

@media (prefers-contrast: more) and (prefers-color-scheme: dark) {
  :root {
    --muted: #B8C3D0;
    --line: #5C6D84;
    --stream: #5C6D84;
  }
}

@media (min-width: 48rem) {
  :root { --gutter: 2.5rem; }
}

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

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

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  /* ease light/dark switches instead of an abrupt brightness jump */
  transition: background-color 200ms ease, color 200ms ease;
}

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

a { color: inherit; }

h1, h2, h3 {
  color: var(--ink);
  margin: 0;
  font-weight: 500;
  line-height: 1.2;
  text-wrap: balance;
  font-optical-sizing: auto;
}

p { margin: 0; }

.nb { white-space: nowrap; }

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

.wrap {
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip {
  position: absolute;
  left: var(--gutter);
  top: -6rem;
  z-index: 20;
  background: var(--ink);
  color: var(--bg);
  padding: 0.5rem 0.875rem;
  text-decoration: none;
}
.skip:focus { top: 0.75rem; }

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--header-bg);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  backdrop-filter: saturate(140%) blur(10px);
  transition: background-color 200ms ease;
}

/* Scroll edge: a soft fade where content meets the floating header,
   instead of a hard 1px divider. Invisible over the plain page background. */
.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  height: 1.5rem;
  background: linear-gradient(to bottom, var(--header-bg), transparent);
  pointer-events: none;
}

@media (prefers-reduced-transparency: reduce) {
  .site-header {
    background: var(--bg);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
  .site-header::after { background: linear-gradient(to bottom, var(--bg), transparent); }
}

@media (prefers-contrast: more) {
  .site-header {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    border-bottom: 1px solid var(--ink);
  }
  .site-header::after { display: none; }
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: var(--header-h);
}

.brand { display: block; flex: none; }
.brand img { height: 2.625rem; width: auto; }

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
  font-size: 0.92rem;
  letter-spacing: 0.01em;
}

.nav a {
  display: inline-block;
  color: var(--muted);
  text-decoration: none;
  padding-block: 0.375rem;
  border-bottom: 1px solid transparent;
  transition: color 200ms ease, border-color 200ms ease, transform 160ms var(--ease-out);
}
.nav .nav-strong { color: var(--ink); }

.nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--ink); }

/* Phones: logo on one row, the full menu on the next, and the header scrolls away. */
@media (max-width: 42.5rem) {
  :root { --header-h: 0rem; }
  .site-header { position: static; }
  .site-header::after { display: none; }
  .header-inner { height: auto; flex-wrap: wrap; padding-block: 0.875rem 0.25rem; gap: 0.25rem; }
  .brand img { height: 2.1875rem; }
  .nav { width: 100%; gap: 1.375rem; font-size: 0.95rem; }
}

/* ---------------------------------------------------------------- shared */

section[id] { scroll-margin-top: var(--header-h); }

.section {
  padding-block: clamp(4rem, 9vw, 7.5rem);
  border-top: 1px solid var(--line);
}

.section-grid {
  display: grid;
  gap: 1.25rem 3rem;
}

@media (min-width: 56.25rem) {
  .section-grid { grid-template-columns: var(--label-col) 1fr; }
}

.label {
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  padding-top: 0.55em;
}

h2 {
  font-size: clamp(1.6rem, 1.25rem + 1.3vw, 2.2rem);
  font-weight: 400;
  letter-spacing: -0.015em;
}

.intro {
  margin-top: 1.125rem;
  max-width: 60ch;
  color: var(--muted);
  font-size: 1.1rem;
}

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

.hero {
  position: relative;
  padding-top: clamp(5rem, 13vw, 10.5rem);
  padding-bottom: clamp(7rem, 14vw, 12.25rem);
  overflow: hidden;
}

.hero .label {
  white-space: nowrap;
}

@media (min-width: 56.25rem) {
  /* label sits on the same axis as the other section labels;
     the headline starts on the shared content column */
  .hero .label { padding-top: 1.35rem; }
}

.hero h1 {
  font-size: clamp(2.1rem, 1.25rem + 3.6vw, 3.75rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.05;
  max-width: 20ch;
}

.hero .lead {
  margin-top: 1.75rem;
  font-size: clamp(1.1rem, 1rem + 0.45vw, 1.3rem);
  line-height: 1.55;
  color: var(--muted);
  max-width: 52ch;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.875rem 1.75rem;
  margin-top: 2.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  min-height: 3rem;
  padding: 0 1.625rem;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--bg);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: background-color 200ms ease, color 200ms ease, transform 160ms var(--ease-out);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--ink);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  padding-block: 0.25rem;
  border-bottom: 1px solid var(--line);
  transition: border-color 200ms ease, transform 160ms var(--ease-out);
}

.stream {
  position: absolute;
  left: 0;
  right: 0;
  bottom: clamp(1.75rem, 5vw, 3.5rem);
  width: 100%;
  height: clamp(3.5rem, 8vw, 6.5rem);
  pointer-events: none;
}

.stream path {
  fill: none;
  stroke: var(--stream);
  stroke-width: 1.25;
}
.stream path + path { opacity: 0.55; }

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

.about {
  display: grid;
  gap: 2.25rem;
  align-items: start;
}

@media (min-width: 47.5rem) {
  .about { grid-template-columns: 15rem 1fr; gap: 3.5rem; }
}

.portrait {
  margin: 0;
  max-width: 15rem;
  border: 1px solid var(--line);
  background: var(--surface);
}
.portrait img { width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover; }

/* the photo's warm, light backdrop is dimmed a touch on the navy page so it does not glare */
@media (prefers-color-scheme: dark) {
  .portrait img { filter: brightness(0.9) saturate(0.95); }
}

@media (max-width: 47.4375rem) {
  .portrait { max-width: 11.25rem; }
}

.role {
  margin-top: 0.375rem;
  color: var(--muted);
}

.bio {
  margin-top: 1.75rem;
  display: grid;
  gap: 1rem;
  max-width: 64ch;
}

/* ---------------------------------------------------------------- services */

.services {
  list-style: none;
  margin: 3rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  column-gap: 2.5rem;
}

@media (min-width: 42.5rem) { .services { grid-template-columns: repeat(2, 1fr); } }

.service {
  border-top: 1px solid var(--line);
  padding: 1.75rem 0 2rem;
}

.service svg {
  width: 1.375rem;
  height: 1.375rem;
  fill: none;
  stroke: var(--ink);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  margin-bottom: 1.125rem;
}

.service h3 { font-size: 1.1rem; font-weight: 600; letter-spacing: -0.005em; }
.service p { margin-top: 0.5rem; color: var(--muted); font-size: 0.98rem; line-height: 1.62; max-width: 46ch; }

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

.contact-list {
  margin: 2.5rem 0 0;
  display: grid;
  gap: 0;
  max-width: 45rem;
}

.contact-list div {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.125rem;
  padding: 1.125rem 0;
  border-top: 1px solid var(--line);
}

@media (min-width: 35rem) {
  .contact-list div { grid-template-columns: 8.75rem 1fr; gap: 1.5rem; }
}

.contact-list dt { color: var(--muted); font-size: 0.92rem; letter-spacing: 0.01em; padding-top: 0.15em; }
.contact-list dd { margin: 0; color: var(--ink); overflow-wrap: anywhere; }

.contact-list a {
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.3125rem;
  transition: color 200ms ease;
}

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

.site-footer {
  border-top: 1px solid var(--line);
  padding-block: 2rem 2.5rem;
  font-size: 0.88rem;
  letter-spacing: 0.01em;
  color: var(--muted);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
}

.footer-inner img { width: 1.625rem; height: 1.625rem; flex: none; }

.footer-nav { display: flex; gap: 1.25rem; margin-left: auto; }
.footer-nav a {
  color: var(--muted);
  text-decoration: underline;
  text-decoration-color: var(--line);
  text-underline-offset: 0.25rem;
  transition: color 200ms ease, text-decoration-color 200ms ease;
}

@media (max-width: 42.5rem) {
  .footer-inner { align-items: flex-start; }
  .footer-nav { margin-left: 0; flex-basis: 100%; }
}

/* ---------------------------------------------------------------- inner pages */

.page-head {
  padding-top: clamp(4rem, 9vw, 7.5rem);
  padding-bottom: clamp(3.5rem, 7vw, 6rem);
}

.page-head h1 {
  font-size: clamp(2rem, 1.3rem + 2.6vw, 3.25rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.08;
  max-width: 22ch;
}

.page-head .lead {
  margin-top: 1.25rem;
  max-width: 56ch;
  font-size: clamp(1.1rem, 1rem + 0.35vw, 1.25rem);
  line-height: 1.55;
  color: var(--muted);
}

.toc {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  margin-top: 2.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  font-size: 0.92rem;
  letter-spacing: 0.01em;
}
.toc a { color: var(--muted); text-decoration: none; transition: color 200ms ease; }

.more { margin-top: 1.75rem; }
.text-link .icon { width: 1rem; height: 1rem; fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }

/* Ydelser: one section per service */
.detail-label { display: flex; flex-direction: column; gap: 1rem; }
.detail-label .icon { width: 1.5rem; height: 1.5rem; fill: none; stroke: var(--ink); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
@media (max-width: 56.1875rem) { .detail-label { flex-direction: row; align-items: center; } }

.detail-cols {
  display: grid;
  gap: 2rem 3rem;
  margin-top: 2.25rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--line);
}
@media (min-width: 48rem) { .detail-cols { grid-template-columns: 1fr 1fr; } }

.detail-cols h3 {
  margin-bottom: 0.75rem;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}
.detail-cols ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 0.5rem; }
.detail-cols li { position: relative; padding-left: 1.25rem; }
.detail-cols li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.8em;
  width: 0.5rem;
  height: 1px;
  background: var(--ink);
}
.detail-cols p { max-width: 52ch; }

/* Tilgang: numbered principles */
.principles { list-style: none; margin: 0; padding: 0; }
.principles li {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: 1rem;
  padding: 1.75rem 0 2rem;
  border-top: 1px solid var(--line);
}
.principles li:last-child { border-bottom: 1px solid var(--line); }
.principles .num {
  padding-top: 0.45rem;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
}
.principles h2 { font-size: clamp(1.3rem, 1.1rem + 0.7vw, 1.65rem); }
.principles p { margin-top: 0.5rem; max-width: 60ch; color: var(--muted); }

/* Forside: services as links into Ydelser */
.services-links .service { padding: 0; }
.services-links a {
  display: block;
  height: 100%;
  padding: 1.75rem 0 2rem;
  color: inherit;
  text-decoration: none;
}
.services-links h3 { transition: color 200ms ease; }

.cta h2 { max-width: 26ch; }
.cta .actions { margin-top: 2rem; }

.prose { max-width: 62ch; }
.prose h2 { margin-top: 2.5rem; margin-bottom: 0.5rem; font-size: 1.3rem; font-weight: 500; }
.prose p + p { margin-top: 0.75rem; }
.prose a {
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-underline-offset: 0.3125rem;
}

/* ---------------------------------------------------------------- interaction */

/* Hover is gated to real pointers so a tap on touch screens does not leave a stuck state. */
@media (hover: hover) and (pointer: fine) {
  .nav a:hover { color: var(--ink); border-bottom-color: var(--ink); }
  .btn:hover { background: transparent; color: var(--ink); }
  .text-link:hover { border-bottom-color: var(--ink); }
  .contact-list a:hover { color: var(--accent); }
  .footer-nav a:hover { color: var(--ink); text-decoration-color: var(--ink); }
  .toc a:hover { color: var(--ink); }
  .services-links a:hover h3 { color: var(--accent); }
}

/* ---------------------------------------------------------------- motion */

@media (prefers-reduced-motion: no-preference) {
  /* press feedback: instant, on pointer-down */
  .btn:active,
  .text-link:active,
  .nav a:active { transform: scale(0.97); }

  /* one quiet staggered entrance for the hero, first view only */
  .reveal {
    animation: rise 300ms var(--ease-out) both;
    animation-delay: calc(var(--i, 0) * 50ms);
  }
}

@media (prefers-reduced-motion: reduce) {
  /* gentler, not zero: keep the fade, drop the movement */
  .reveal { animation: fade 0.2s ease both; }
}

@keyframes rise {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

@keyframes fade {
  from { opacity: 0; }
  to { opacity: 1; }
}