/* =========================================================
   Vasis A/S — Base styles
   Grounded in UI/UX Pro Max design rules:
   - WCAG AA contrast targets
   - 44x44 touch targets
   - Visible focus rings
   - Motion 150-300ms
   - prefers-reduced-motion respected
   - Mobile-first, structured breakpoints
   ========================================================= */

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: auto; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--fg);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background-color 0.5s ease, color 0.5s ease;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul { list-style: none; padding: 0; margin: 0; }

/* Visible focus rings — accessibility critical (UI Pro Max §1) */
:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--focus-ring, currentColor);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Skip-link for keyboard users */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

:root {
  --max: 1320px;
  --gutter: clamp(1.5rem, 4vw, 3.5rem);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --vbar-h: 48px;
  --motion-fast: 180ms;
  --motion-base: 280ms;
}

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

/* ---------- TYPOGRAPHY (Exaggerated Minimalism baseline) ---------- */
.display {
  font-family: var(--font-display);
  font-weight: var(--display-weight, 400);
  font-size: clamp(2.25rem, 5.5vw, 4.5rem);
  line-height: 1.04;
  letter-spacing: var(--display-tracking, -0.02em);
  margin: 0 0 1.5rem;
  color: var(--fg);
}
.display.giant {
  font-size: clamp(2.8rem, 9vw, 7rem);
  line-height: 0.98;
  letter-spacing: -0.035em;
}
.lead {
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  line-height: 1.6;
  color: var(--fg-soft);
  max-width: 60ch;
  margin: 0 0 2rem;
}
.eyebrow,
.label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-weight: 500;
  color: var(--fg-soft);
  display: inline-block;
  font-family: var(--font-meta, var(--font-body));
}

/* ---------- HEADER ---------- */
.site-header {
  position: fixed;
  top: var(--vbar-h);
  left: 0; right: 0;
  z-index: 50;
  padding: 1.5rem 0;
  transition: top var(--motion-base) var(--ease-out),
              background-color var(--motion-base) var(--ease-out),
              backdrop-filter var(--motion-base) var(--ease-out),
              padding var(--motion-base) var(--ease-out),
              border-color var(--motion-base) var(--ease-out);
  border-bottom: 1px solid transparent;
  pointer-events: auto;
}
body.vbar-hidden .site-header { top: 0; }
.site-header[data-state="scrolled"] {
  background: var(--header-scrolled-bg, rgba(0,0,0,0.85));
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  padding: 0.75rem 0;
  border-bottom-color: var(--line-dark, rgba(255,255,255,0.15));
}
.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  color: var(--hero-fg, #fff);
}
.logo {
  display: inline-flex; align-items: center;
  padding: 0.25rem; margin: -0.25rem;
  min-height: 44px;
}
.logo img {
  height: 28px; width: auto;
  transition: filter var(--motion-base) var(--ease-out);
  filter: var(--logo-filter, none);
}

/* Nav — accessible with focus rings, 44px+ touch */
.primary-nav { display: flex; gap: 2.25rem; font-size: 0.9rem; font-weight: 500; font-family: var(--font-meta, var(--font-body)); }
.primary-nav a {
  position: relative;
  padding: 0.7rem 0.2rem;
  opacity: 0.92;
  transition: opacity var(--motion-fast) var(--ease-out);
  display: inline-block;
  min-height: 44px;
  display: inline-flex; align-items: center;
}
.primary-nav a::after {
  content: ""; position: absolute; left: 0.2rem; right: 0.2rem; bottom: 0.5rem;
  height: 1px; background: currentColor;
  transform: scaleX(0); transform-origin: left center;
  transition: transform var(--motion-base) var(--ease-out);
}
.primary-nav a:hover { opacity: 1; }
.primary-nav a:hover::after { transform: scaleX(1); }

.lang-toggle { display: flex; align-items: center; gap: 0.4rem; font-size: 0.85rem; font-weight: 500; }
.lang-toggle button {
  padding: 0.5rem 0.6rem;
  min-height: 44px; min-width: 44px;
  opacity: 0.55;
  transition: opacity var(--motion-fast) var(--ease-out);
  border-radius: 6px;
}
.lang-toggle button.active,
.lang-toggle button:hover { opacity: 1; }
.lang-toggle .sep { opacity: 0.5; }

.menu-toggle {
  display: none;
  min-width: 44px; min-height: 44px;
  padding: 0.5rem;
  border-radius: 6px;
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  padding: clamp(8rem, 14vh, 10rem) 0 clamp(4rem, 10vh, 7rem);
  color: var(--hero-fg, #fff);
  overflow: hidden;
  isolation: isolate;
}
.hero-media { position: absolute; inset: 0; z-index: -2; overflow: hidden; }
.hero-bg {
  position: absolute;
  inset: -8% -2% -8% -2%;
  background-image: var(--hero-image, none);
  background-color: var(--dark, #2a2a2a);
  background-size: cover;
  background-position: center;
  will-change: transform;
  filter: var(--hero-image-filter, none);
}
.hero-overlay { position: absolute; inset: 0; background: var(--hero-overlay, rgba(0,0,0,0.5)); z-index: -1; }
.hero-content { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); width: 100%; }
.hero .eyebrow { color: var(--hero-eyebrow, var(--accent)); opacity: 0.9; margin-bottom: 1.5rem; }
.hero-headline {
  font-family: var(--font-display);
  font-weight: var(--hero-weight, 400);
  font-size: clamp(2.5rem, 7vw, 6rem);
  line-height: 1;
  letter-spacing: var(--display-tracking, -0.03em);
  max-width: 20ch;
  margin: 0 0 2.5rem;
  color: var(--hero-fg, #fff);
  font-style: var(--hero-style, normal);
  text-transform: var(--hero-transform, none);
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ---------- BUTTONS — 44x44 min touch, visible states ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.95rem 1.7rem;
  min-height: 44px;
  font-size: 0.95rem; font-weight: 500; letter-spacing: 0.01em;
  font-family: var(--font-meta, var(--font-body));
  border-radius: var(--radius, 999px);
  transition: transform var(--motion-fast) var(--ease-out),
              background var(--motion-fast) var(--ease-out),
              color var(--motion-fast) var(--ease-out),
              border-color var(--motion-fast) var(--ease-out),
              box-shadow var(--motion-fast) var(--ease-out);
  border: 1.5px solid transparent;
  will-change: transform;
  cursor: pointer;
}
.btn-primary { background: var(--btn-primary-bg, var(--accent)); color: var(--btn-primary-fg, var(--dark-deep)); }
.btn-primary:hover { background: var(--btn-primary-bg-hover, var(--accent-mid)); transform: translateY(-2px); }
.btn-primary:active { transform: translateY(0); }
.btn-ghost { border-color: var(--btn-ghost-border, rgba(255,255,255,0.4)); color: var(--btn-ghost-fg, var(--hero-fg, #fff)); }
.btn-ghost:hover { border-color: var(--btn-ghost-border-hover, var(--hero-fg, #fff)); transform: translateY(-2px); background: rgba(255,255,255,0.05); }
.btn-primary.light { background: var(--accent); color: var(--cta-btn-fg, var(--dark-deep)); }
.btn-ghost.light { border-color: var(--btn-ghost-border-light, rgba(255,255,255,0.4)); color: var(--cta-fg, #fff); }

/* Scroll cue */
.scroll-cue {
  position: absolute; bottom: 2rem; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center;
  gap: 0.75rem;
  font-size: 0.7rem; letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  opacity: 0.8;
  font-family: var(--font-meta, var(--font-body));
}
.cue-line { width: 1px; height: 50px; background: color-mix(in srgb, var(--accent) 40%, transparent); position: relative; overflow: hidden; }
.cue-dot { position: absolute; top: -10px; left: 0; width: 1px; height: 10px; background: var(--accent); animation: cueScroll 2.4s var(--ease-in-out) infinite; }
@keyframes cueScroll {
  0% { top: -10px; opacity: 0; }
  20% { opacity: 1; } 80% { opacity: 1; }
  100% { top: 100%; opacity: 0; }
}

/* ---------- SECTIONS ---------- */
section { padding: clamp(5rem, 12vh, 10rem) 0; }
.mission { background: var(--bg); }
.split-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2.4fr);
  gap: clamp(2rem, 5vw, 6rem);
  align-items: start;
}
.split-grid.reverse { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); }

.values {
  margin-top: 4rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(2rem, 3vw, 3rem);
  border-top: 1px solid var(--line);
  padding-top: 3rem;
}
.value { position: relative; }
.value-num {
  display: block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--accent-strong, var(--accent));
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
}
.value h3 {
  font-family: var(--font-display);
  font-weight: var(--display-weight, 400);
  font-size: 1.5rem;
  margin: 0 0 0.75rem;
  letter-spacing: -0.01em;
}
.value p { font-size: 0.95rem; color: var(--fg-soft); margin: 0; line-height: 1.65; }

/* PROJECTS */
.featured-projects { background: var(--bg-soft, var(--bg)); }
.section-header {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 2rem; margin-bottom: 4rem; flex-wrap: wrap;
}
.section-header h2 { max-width: 16ch; margin-bottom: 0; }
.link-arrow {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-size: 0.92rem; font-weight: 500;
  padding: 0.4rem 0;
  min-height: 44px;
  border-bottom: 1px solid currentColor;
  transition: gap var(--motion-base) var(--ease-out);
  font-family: var(--font-meta, var(--font-body));
}
.link-arrow:hover { gap: 1rem; }

.projects-stack {
  display: flex; flex-direction: column;
  gap: clamp(3rem, 6vh, 6rem);
}
.project { max-width: var(--max); margin: 0 auto; width: 100%; padding: 0 var(--gutter); }
.project-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(2rem, 4vw, 4.5rem);
  align-items: center;
  position: relative;
  min-height: 44px;
  text-decoration: none;
}
.project.alt .project-inner { grid-template-columns: 1fr 1.4fr; }
.project.alt .project-media { order: 2; }

.project-media {
  position: relative; overflow: hidden; aspect-ratio: 4/3;
  background: var(--dark, #333);
  border-radius: var(--radius-card, 0);
}
.project-media img {
  width: 100%; height: 100%; object-fit: cover;
  transform: scale(1.02);
  transition: transform 1s var(--ease-out), filter 0.6s var(--ease-out);
  filter: var(--project-image-filter, saturate(0.95));
}
.project:hover .project-media img { transform: scale(1.08); filter: saturate(1); }
.project-tag {
  position: absolute; top: 1rem; left: 1rem;
  background: var(--tag-bg, rgba(255,255,255,0.92));
  color: var(--tag-fg, var(--fg));
  padding: 0.45rem 0.85rem;
  font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.16em;
  font-weight: 600;
  border-radius: var(--radius, 999px);
  font-family: var(--font-meta, var(--font-body));
}
.project-body { padding: 0 0.5rem; }
.project-meta {
  font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.2em;
  color: var(--accent-strong, var(--accent));
  font-weight: 500; margin-bottom: 1.25rem; display: block;
  font-family: var(--font-meta, var(--font-body));
}
.project-body h3 {
  font-family: var(--font-display);
  font-weight: var(--display-weight, 400);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  line-height: 1.05; letter-spacing: var(--display-tracking, -0.015em);
  margin: 0 0 1rem;
}
.project-body p { color: var(--fg-soft); margin: 0 0 1.5rem; max-width: 42ch; font-size: 1rem; line-height: 1.65; }
.project-arrow {
  display: inline-block; font-size: 1.5rem;
  color: var(--accent-strong, var(--dark));
  transition: transform var(--motion-base) var(--ease-out);
}
.project:hover .project-arrow { transform: translateX(8px); }

/* ABOUT TEASER */
.about-teaser { background: var(--bg); }
.about-media { aspect-ratio: 4/5; overflow: hidden; border-radius: var(--radius-card, 0); }
.about-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.4s var(--ease-out); }
.about-teaser:hover .about-media img { transform: scale(1.04); }

/* CTA */
.cta { background: var(--cta-bg, var(--dark-deep)); color: var(--cta-fg, #fff); }
.cta .display { color: var(--cta-fg, #fff); max-width: 18ch; margin-bottom: 3rem; }
.cta .eyebrow { color: var(--accent); margin-bottom: 1.5rem; }
.cta-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* FOOTER */
.site-footer {
  background: var(--footer-bg, var(--dark-deep));
  color: var(--footer-fg, #fff);
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--line-dark, rgba(255,255,255,0.12));
}
.footer-grid {
  display: grid; grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: 3rem; padding-bottom: 3rem;
  border-bottom: 1px solid var(--line-dark, rgba(255,255,255,0.12));
}
.footer-logo { height: 32px; margin-bottom: 1.5rem; }
.site-footer h4 {
  font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.22em;
  font-weight: 600; color: var(--accent); margin: 0 0 1.25rem;
  font-family: var(--font-meta, var(--font-body));
}
.site-footer ul { display: flex; flex-direction: column; gap: 0.6rem; }
.site-footer a {
  font-size: 0.92rem; opacity: 0.88;
  transition: opacity var(--motion-fast) var(--ease-out);
  padding: 0.3rem 0; display: inline-block; min-height: 44px;
  display: inline-flex; align-items: center;
}
.site-footer a:hover { opacity: 1; }
.site-footer p { font-size: 0.9rem; opacity: 0.72; margin: 0; line-height: 1.6; }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 1.5rem; font-size: 0.78rem; opacity: 0.55; }
.placeholder-note {
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  color: var(--accent);
  padding: 0.25rem 0.75rem; border-radius: 999px; opacity: 1;
  letter-spacing: 0.08em;
}

/* REVEAL ANIMATIONS — motion express meaning */
[data-reveal] {
  opacity: 0; transform: translateY(28px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
[data-reveal].is-visible { opacity: 1; transform: none; }
.split-word { display: inline-block; overflow: hidden; margin-right: 0.05em; }
.split-word > .word-inner { display: inline-block; will-change: transform; }
.split-word.is-splitting > .word-inner { transform: translateY(110%); }

/* MOBILE-FIRST RESPONSIVE BASE */
@media (max-width: 1024px) {
  .primary-nav { gap: 1.5rem; font-size: 0.85rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .split-grid, .split-grid.reverse { grid-template-columns: 1fr; gap: 2rem; }
  .values { grid-template-columns: 1fr; gap: 2rem; }
  .project-inner, .project.alt .project-inner { grid-template-columns: 1fr; gap: 2rem; }
  .project.alt .project-media { order: 0; }
}
@media (max-width: 720px) {
  .primary-nav, .lang-toggle { display: none; }
  .menu-toggle { display: flex; flex-direction: column; gap: 5px; align-items: center; justify-content: center; }
  .menu-toggle span { height: 2px; width: 22px; background: var(--hero-fg, #fff); border-radius: 2px; display: block; }
  .hero { min-height: 88svh; padding: clamp(7rem, 14vh, 9rem) 0 4rem; }
  .hero-content, .container { overflow-wrap: break-word; }
  .hero-headline, .display, .lead {
    max-width: 100% !important;
    overflow-wrap: break-word;
    word-break: normal;
  }
  .hero-headline { font-size: clamp(2.25rem, 9vw, 3.5rem) !important; }
  .display { font-size: clamp(1.85rem, 7vw, 2.6rem) !important; }
  .display.giant { font-size: clamp(2.25rem, 11vw, 4rem) !important; }
  .lead { font-size: 1rem; }
  .section-header { flex-direction: column; align-items: flex-start; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; align-items: flex-start; }
}

/* prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .split-word > .word-inner { transform: none; }
}