/* ---------------------------------------------------------------- */
/* trondk.no — shared design system                                  */
/* ---------------------------------------------------------------- */
/* Scandinavian-restrained typography, generous whitespace, single   */
/* accent. No JavaScript anywhere on this site.                      */

:root {
  --bg:        #faf9f5;
  --bg-soft:   #f3f1ea;
  --rule:      #d8d4c8;
  --rule-soft: #e6e2d6;
  --ink:       #1a1a17;
  --ink-soft:  #4a4a44;
  --ink-faint: #807c70;
  --accent:    #2c5f7e;
  --accent-soft: #d6e2ea;
  --warn:      #b85c2a;

  --serif: "Iowan Old Style", "Charter", "Source Serif Pro", Cambria, Georgia, serif;
  --sans:  ui-sans-serif, system-ui, -apple-system, "Inter", "Helvetica Neue", Arial, sans-serif;
  --mono:  ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;

  --measure: 38rem;
  --measure-wide: 50rem;
  --gutter: 1.5rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:        #16161a;
    --bg-soft:   #1f1f24;
    --rule:      #2e2e34;
    --rule-soft: #25252b;
    --ink:       #e8e6e0;
    --ink-soft:  #a8a59d;
    --ink-faint: #6a6862;
    --accent:    #84b8d4;
    --accent-soft: #1f3340;
    --warn:      #d68950;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.55;
  margin: 0;
  padding: 0;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* layout ---------------------------------------------------------- */

.wrap {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 3.5rem var(--gutter) 5rem;
}
.wrap--wide { max-width: var(--measure-wide); }

@media (min-width: 720px) {
  .wrap { padding: 5rem 2rem 6rem; }
}

/* type ------------------------------------------------------------ */

h1, h2, h3, h4 {
  font-weight: 600;
  letter-spacing: -0.011em;
  color: var(--ink);
  margin: 0;
}
h1 {
  font-family: var(--serif);
  font-size: clamp(2.1rem, 5vw, 2.9rem);
  line-height: 1.08;
  letter-spacing: -0.022em;
  font-weight: 500;
}
h2 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-faint);
  font-weight: 600;
  margin: 3.5rem 0 1.25rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--rule);
}
h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

p { margin: 0 0 1.1rem; }
p + p { margin-top: 0; }

a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--ink-faint);
  transition: color 120ms ease, border-color 120ms ease;
}
a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

ul, ol { padding-left: 1.2rem; margin: 0 0 1.1rem; }
li { margin-bottom: 0.4rem; }

strong { font-weight: 600; }
em { font-style: italic; }

.mono, time, .num {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.88em;
}

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

.brand {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
  font-family: var(--mono);
  font-size: 0.83rem;
  color: var(--ink-faint);
}
.brand__mark {
  display: inline-block;
  width: 0.55rem;
  height: 0.55rem;
  background: var(--accent);
  border-radius: 1px;
  transform: translateY(0.05rem);
}
.brand__sep { color: var(--rule); }
.brand a {
  border-bottom: none;
  color: var(--ink-faint);
}
.brand a:hover { color: var(--accent); }

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

.hero {
  margin-bottom: 3rem;
}
.hero__role {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 1.2rem;
}
.hero__lede {
  font-family: var(--serif);
  font-size: 1.25rem;
  line-height: 1.5;
  color: var(--ink-soft);
  margin-top: 1.4rem;
  max-width: 32rem;
}

/* lists of work --------------------------------------------------- */

.works { list-style: none; padding: 0; margin: 0; }
.work {
  display: block;
  padding: 1.3rem 0;
  border-bottom: 1px solid var(--rule-soft);
}
.work:last-child { border-bottom: none; }
.work__body {
  display: block;
  width: 100%;
  margin: 0;
  min-width: 0;
}
.work__body p {
  font-size: 0.96rem;
  color: var(--ink-soft);
  margin: 0.3rem 0 0;
}
.work__body a { font-weight: 500; }
.work__tags {
  margin-top: 0.45rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--ink-faint);
  letter-spacing: 0.05em;
}

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

.contact { font-size: 0.95rem; }
.contact ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-family: var(--mono);
  font-size: 0.88rem;
  color: var(--ink-soft);
}
.contact li { margin: 0; }
.contact a { border-bottom: 1px solid var(--rule); }

footer.foot {
  border-top: 1px solid var(--rule);
  margin-top: 4rem;
  padding-top: 1.5rem;
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--ink-faint);
  letter-spacing: 0.04em;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
footer.foot a { color: var(--ink-faint); border-bottom: none; }
footer.foot a:hover { color: var(--accent); }

/* utility --------------------------------------------------------- */

.dim { color: var(--ink-faint); }
.soft { color: var(--ink-soft); }
.lede {
  font-family: var(--serif);
  font-size: 1.2rem;
  line-height: 1.5;
  color: var(--ink-soft);
  margin-bottom: 1.8rem;
}

hr.rule {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 3rem 0 2rem;
}
hr.rule--soft { border-top-color: var(--rule-soft); }

/* prose styling --------------------------------------------------- */

.prose h2 + p,
.prose h3 + p {
  margin-top: 0.35rem;
}
.prose blockquote {
  margin: 1.5rem 0;
  padding: 0.25rem 0 0.25rem 1.2rem;
  border-left: 2px solid var(--accent);
  color: var(--ink-soft);
  font-style: italic;
}
.prose code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: var(--bg-soft);
  padding: 0.08em 0.35em;
  border-radius: 3px;
}
.prose dl { margin: 0 0 1.5rem; }
.prose dt {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 1rem;
}
.prose dd { margin: 0.2rem 0 0.6rem; color: var(--ink-soft); }

/* Spor landing-specific styles ------------------------------------ */

.spor-hero {
  text-align: left;
  padding: 1rem 0 2.5rem;
}
.spor-hero .app-icon {
  display: block;
  width: 9rem;
  height: 9rem;
  border-radius: 22.37%;
  margin: 0 0 1.6rem;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}
.spor-hero h1 {
  font-family: var(--serif);
  font-size: clamp(2.3rem, 6vw, 3.3rem);
  line-height: 1.05;
  letter-spacing: -0.025em;
}
.spor-hero .tagline {
  font-family: var(--serif);
  font-size: 1.3rem;
  color: var(--ink-soft);
  line-height: 1.45;
  margin: 1.1rem 0 0;
  max-width: 30rem;
}
.spor-hero .disclaimer {
  display: inline-block;
  margin-top: 1.4rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-faint);
  border: 1px solid var(--rule);
  padding: 0.35rem 0.7rem;
  letter-spacing: 0.04em;
}

.features {
  display: grid;
  gap: 0;
  margin: 1rem 0 2rem;
}
.feature {
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--rule-soft);
  display: grid;
  grid-template-columns: 1.7rem 1fr 14rem;
  gap: 1.6rem;
  align-items: start;
}
.feature__num {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-faint);
  letter-spacing: 0.08em;
  padding-top: 0.2rem;
}
.feature h3 { font-size: 1.05rem; margin-bottom: 0.3rem; }
.feature p { margin: 0; font-size: 0.96rem; color: var(--ink-soft); }

@media (min-width: 721px) {
  .feature--pdf { grid-template-columns: 1.7rem 1fr 22rem; }
}

@media (max-width: 720px) {
  .feature {
    grid-template-columns: 1.7rem 1fr;
  }
  .feature figure.shot {
    grid-column: 2;
    margin-top: 0.9rem;
  }
}

/* Screenshots ------------------------------------------------------ */

figure.shot {
  margin: 0;
}
.screenshot {
  display: block;
  width: 100%;
  max-width: 220px;
  height: auto;
  aspect-ratio: 1350 / 2760;
  border-radius: 1.6rem;
  background: var(--bg-soft);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.10);
  object-fit: cover;
}
.screenshot--pdf {
  max-width: 380px;
  aspect-ratio: 297 / 210;
  border-radius: 2px;
  border: 1px solid var(--rule-soft);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  object-fit: contain;
}

/* PDF page carousel (feature 04) — CSS-only scroll-snap, no JS */
.pdf-carousel {
  display: flex;
  gap: 0.6rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 0.6rem;
  scrollbar-width: thin;
  scrollbar-color: var(--rule) transparent;
}
.pdf-carousel .pdf-page {
  flex: 0 0 100%;
  scroll-snap-align: center;
  width: 100%;
  height: auto;
  border-radius: 2px;
  border: 1px solid var(--rule-soft);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  background: var(--bg-soft);
}
.pdf-carousel::-webkit-scrollbar { height: 6px; }
.pdf-carousel::-webkit-scrollbar-track { background: transparent; }
.pdf-carousel::-webkit-scrollbar-thumb {
  background: var(--rule);
  border-radius: 3px;
}

figure.shot figcaption {
  margin-top: 0.6rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ink-faint);
  letter-spacing: 0.04em;
}
.spor-hero .hero-shot {
  margin-top: 2.2rem;
  max-width: 220px;
}

/* Device-framed video (feature 02) — raw video behind a transparent frame PNG */
.device {
  position: relative;
  width: 100%;
  max-width: 220px;
  aspect-ratio: 1318 / 2716;
  margin: 0;
}
.device__video,
.device__still {
  position: absolute;
  left: 4.097%;
  top: 1.767%;
  width: 91.351%;
  height: 96.465%;
  object-fit: cover;
  background: #000;
  border-radius: 32px;
  overflow: hidden;
}
.device__still { display: none; }
.device__frame {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
@media (prefers-reduced-motion: reduce) {
  .device__video { display: none; }
  .device__still { display: block; }
}

.hero-shots {
  display: flex;
  align-items: flex-start;
  margin-top: 2.2rem;
  max-width: 28rem;
}
.hero-shots .hero-shot {
  margin: 0;
  max-width: 200px;
  flex: 0 0 auto;
}
.hero-shots .hero-shot--front {
  z-index: 2;
  position: relative;
}
.hero-shots .hero-shot--back {
  z-index: 1;
  margin-left: -3.5rem;
  margin-top: 2rem;
  opacity: 0.85;
}
@media (max-width: 520px) {
  .hero-shots { max-width: 100%; }
  .hero-shots .hero-shot--back { display: none; }
}

.value-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 1rem 0 2.5rem;
}
@media (min-width: 600px) {
  .value-grid { grid-template-columns: 1fr 1fr; gap: 2rem 2.5rem; }
}
.value h3 {
  font-family: var(--mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
  margin: 1.4rem 0 0.4rem;
  font-weight: 600;
}
.value p { font-size: 0.96rem; color: var(--ink-soft); margin: 0; }

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin: 1.5rem 0 0;
}
.cta {
  display: inline-block;
  padding: 0.65rem 1.1rem;
  border: 1px solid var(--ink);
  color: var(--ink);
  background: transparent;
  font-family: var(--mono);
  font-size: 0.88rem;
  letter-spacing: 0.03em;
  text-decoration: none;
  border-bottom: 1px solid var(--ink);
  transition: background 140ms ease, color 140ms ease;
}
.cta:hover {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
  border-bottom-color: var(--ink);
}
.cta--primary {
  background: var(--ink);
  color: var(--bg);
}
.cta--primary:hover { background: var(--accent); border-color: var(--accent); color: var(--bg); }
.cta--soft { border-color: var(--rule); color: var(--ink-soft); }
.cta--soft:hover { background: var(--bg-soft); color: var(--ink); border-color: var(--rule); border-bottom-color: var(--rule); }

/* selection ------------------------------------------------------- */

::selection { background: var(--accent-soft); color: var(--ink); }