/* ============================================================
   Sudo Invest — Quiet Scandi (refined)
   Paper + charcoal + forest moss. Instrument Serif / Source Sans 3.
   ============================================================ */

:root {
  --bg: #f4f2ed;
  --bg-warm: #ebe7df;
  --bg-elevated: #fffcf7;
  --ink: #1a1916;
  --ink-muted: #5a564e;
  --line: #d8d2c6;
  --line-strong: #c2bbad;

  --accent: #3a4a37;
  --accent-hover: #2c3929;
  --accent-soft: #dfe4d9;
  --accent-tint: #eef1ea;

  --font-display: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --font-body: "Source Sans 3", "Source Sans Pro", system-ui, sans-serif;

  --shell: 72rem;
  --pad: clamp(1.15rem, 3.5vw, 2.35rem);
  --radius: 0.3rem;
  --space-section: clamp(3.25rem, 7vw, 5.5rem);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@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;
  }
  .marquee-track { animation: none !important; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 400;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }
a {
  color: inherit;
  transition: color 0.2s var(--ease);
}
a:hover { color: var(--accent); }
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.12;
  letter-spacing: -0.015em;
  margin: 0 0 0.45em;
  color: var(--ink);
  text-wrap: balance;
}
h2 { font-size: clamp(1.75rem, 3vw, 2.2rem); }
h3 { font-size: 1.45rem; }

.nowrap { white-space: nowrap; }

p { margin: 0 0 0.85em; }
p:last-child { margin-bottom: 0; }
ul, ol { margin: 0; padding: 0; }

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--ink); color: var(--bg); padding: 0.55rem 1rem; z-index: 100;
  font-size: 0.9rem;
}
.skip-link:focus { left: var(--pad); top: 0.5rem; }

.shell {
  width: min(100% - 2 * var(--pad), var(--shell));
  margin-inline: auto;
}

/* —— Header —— */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: saturate(1.1) blur(12px);
  -webkit-backdrop-filter: saturate(1.1) blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: flex-start;
  gap: 1rem;
  min-height: 3.35rem;
}
.wordmark {
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: -0.045em;
  text-decoration: none;
  font-size: 1.02rem;
  color: var(--ink);
}
.wordmark span { font-weight: 400; color: var(--ink-muted); }
.nav { display: flex; gap: 1.5rem; }
.nav a, .mobile-nav a {
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--ink-muted);
  letter-spacing: 0.01em;
}
.nav a:hover, .mobile-nav a:hover { color: var(--ink); }
.nav-toggle {
  display: none;
  background: none; border: 0; padding: 0.5rem; cursor: pointer;
}
.nav-toggle span {
  display: block; width: 1.15rem; height: 1.5px; background: var(--ink); margin: 5px 0;
}
.mobile-nav {
  display: none;
  flex-direction: column; gap: 0.75rem;
  padding: 0.75rem var(--pad) 1.15rem;
  border-top: 1px solid var(--line);
  background: var(--bg);
}
.mobile-nav:not([hidden]) { display: flex; }
@media (max-width: 720px) {
  .nav { display: none; }
  .nav-toggle { display: block; }
}

/* —— Hero (dense, CTAs above fold @ ~1280×800) —— */
.hero {
  padding: clamp(1.75rem, 4.5vw, 2.75rem) 0 clamp(1.5rem, 3.5vw, 2.25rem);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(ellipse 55% 70% at 100% 0%, var(--accent-tint), transparent 65%),
    var(--bg);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(1.5rem, 4vw, 2.75rem);
  align-items: center;
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 0.85rem;
}
.hero h1 {
  font-size: clamp(2.05rem, 4.2vw, 3.15rem);
  max-width: none;
  margin-bottom: 0.75rem;
  line-height: 1.08;
  text-wrap: nowrap;
}
.hero h1 br { display: block; }
.hero h1 .line { white-space: nowrap; display: inline; }
.hero h1 em {
  font-style: italic;
  font-weight: 400;
}
.lede {
  max-width: 36rem;
  color: var(--ink-muted);
  font-size: 1.05rem;
  line-height: 1.55;
  text-wrap: pretty;
}
.hero-copy .lede { margin-bottom: 0; }
.hero-actions {
  display: flex; flex-wrap: wrap; gap: 0.6rem;
  margin-top: 1.35rem;
}
.btn {
  display: inline-flex; align-items: center;
  padding: 0.65rem 1.1rem;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--bg);
  text-decoration: none;
  border-radius: var(--radius);
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #f4f2ed;
}
.btn-quiet {
  background: transparent;
  color: var(--ink);
}
.btn-quiet:hover {
  background: var(--accent-soft);
  color: var(--ink);
  border-color: var(--line-strong);
}

.hero-panel { min-width: 0; }
.hero-mosaic {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  grid-template-rows: 1fr 0.85fr;
  gap: 0.55rem;
  height: clamp(15rem, 28vw, 19.5rem);
}
.hero-mosaic figure {
  margin: 0;
  overflow: hidden;
  border-radius: calc(var(--radius) + 2px);
  border: 1px solid var(--line);
  background: var(--bg-warm);
}
.hero-mosaic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.mosaic-a { grid-row: 1 / 3; }
.hero-panel-note {
  margin: 0.65rem 0 0;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-mosaic { height: 14rem; }
  .hero h1 { max-width: none; }
}

/* —— Logo marquee —— */
.logo-marquee {
  border-bottom: 1px solid var(--line);
  background: var(--bg-elevated);
  overflow: hidden;
  padding: 1.1rem 0;
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}
.marquee-track {
  display: flex;
  width: max-content;
  gap: 0;
  animation: marquee 42s linear infinite;
}
.marquee-group {
  display: flex;
  align-items: center;
  gap: clamp(2.25rem, 5vw, 3.75rem);
  padding-inline: clamp(1.15rem, 2.5vw, 1.9rem);
}
.marquee-group img {
  height: 1.55rem;
  width: auto;
  max-width: 9rem;
  object-fit: contain;
  filter: grayscale(1) contrast(1.05);
  opacity: 0.72;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.logo-marquee:hover .marquee-track { animation-play-state: paused; }

/* —— Sections —— */
.section { padding: var(--space-section) 0; }
.section-head { margin-bottom: 2rem; max-width: 36rem; }
.section-head p { color: var(--ink-muted); font-size: 1.02rem; }

.thesis { border-bottom: 1px solid var(--line); }
.thesis-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: start;
}
.thesis-grid > div p {
  color: var(--ink-muted);
  font-size: 1.05rem;
  max-width: 34rem;
}
.pillars { list-style: none; display: grid; gap: 0; }
.pillars li {
  padding: 0.95rem 0;
  border-top: 1px solid var(--line);
  color: var(--ink-muted);
  font-size: 0.95rem;
}
.pillars li:last-child { border-bottom: 1px solid var(--line); }
.pillars strong {
  display: block;
  color: var(--ink);
  margin-bottom: 0.2rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}
@media (max-width: 800px) {
  .thesis-grid { grid-template-columns: 1fr; }
}

/* —— Portfolio companies —— */
.portfolio-leads {
  display: grid;
  gap: 1.15rem;
  margin-bottom: 1.15rem;
}
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.15rem;
}
@media (max-width: 860px) {
  .portfolio-grid { grid-template-columns: 1fr; }
}

.company {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 3px);
  padding: 1.35rem 1.4rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  transition: border-color 0.2s var(--ease);
}
.company:hover { border-color: var(--line-strong); }
.company-lead {
  padding: 1.5rem 1.55rem 1.55rem;
  background:
    linear-gradient(180deg, var(--bg-elevated) 0%, #faf8f3 100%);
}
.company-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 2rem;
}
.company-logo {
  height: 1.65rem;
  width: auto;
  max-width: 10rem;
  object-fit: contain;
  object-position: left center;
}
.company-lead .company-logo { height: 1.85rem; }
.logo-blykalla { height: 1.35rem !important; }

.sector {
  display: inline-block;
  flex-shrink: 0;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-tint);
  border: 1px solid color-mix(in srgb, var(--accent) 18%, transparent);
  border-radius: 999px;
  padding: 0.28rem 0.65rem;
  white-space: nowrap;
}

.company h3 {
  margin: 0.15rem 0 0.2rem;
  font-size: clamp(1.35rem, 2.2vw, 1.65rem);
}
.company-lead h3 { font-size: clamp(1.55rem, 2.6vw, 1.95rem); }
.company h3 a { text-decoration: none; }
.company h3 a:hover {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.company-blocks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 1.35rem;
  margin: 0.25rem 0 0.35rem;
}
@media (max-width: 700px) {
  .company-blocks { grid-template-columns: 1fr; gap: 0.75rem; }
}
.block-label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.35rem;
}
.company-blocks p:not(.block-label) {
  color: var(--ink-muted);
  font-size: 0.95rem;
  line-height: 1.5;
  margin: 0;
}

.company-gallery {
  display: grid;
  gap: 0.5rem;
  margin-top: 0.35rem;
}
.gallery-3 { grid-template-columns: 1.2fr 0.9fr 0.9fr; }
.gallery-2 { grid-template-columns: 1fr 1fr; }
.company-gallery img {
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 11;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--bg-warm);
}
.company-lead .company-gallery img { aspect-ratio: 16 / 10; min-height: 8.5rem; }
@media (max-width: 720px) {
  .gallery-3 { grid-template-columns: 1fr 1fr; }
  .gallery-3 img:last-child { grid-column: 1 / -1; aspect-ratio: 16 / 9; }
}

.ext {
  display: inline-block;
  margin-top: auto;
  padding-top: 0.65rem;
  font-size: 0.86rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--ink);
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 1px;
  align-self: flex-start;
}
.ext:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.aside {
  margin-top: 1.75rem;
  padding-top: 1.35rem;
  border-top: 1px solid var(--line);
  color: var(--ink-muted);
  font-size: 0.92rem;
  max-width: 40rem;
}

/* —— Looking for —— */
.looking-for {
  border-top: 1px solid var(--line);
  background: var(--bg-elevated);
}
.looking-for .lede {
  max-width: 40rem;
  color: var(--ink-muted);
  font-size: 1.05rem;
}
.looking-for .lede strong {
  color: var(--ink);
  font-weight: 600;
}
.looking-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}
.looking-tags li {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-tint);
  border: 1px solid color-mix(in srgb, var(--accent) 18%, transparent);
  border-radius: 999px;
  padding: 0.4rem 0.85rem;
}

/* —— Approach —— */
.approach {
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, var(--accent-soft) 0%, var(--bg) 72%);
}
.approach-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: start;
}
.approach .lede { font-size: 1.05rem; }
.steps {
  list-style: none;
  counter-reset: step;
  display: grid;
  gap: 1.15rem;
}
.steps li {
  counter-increment: step;
  padding-left: 2.6rem;
  position: relative;
  color: var(--ink-muted);
  font-size: 0.95rem;
}
.steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute; left: 0; top: 0.12em;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent);
  font-family: var(--font-body);
}
.steps strong {
  color: var(--ink);
  font-weight: 600;
}
@media (max-width: 800px) {
  .approach-grid { grid-template-columns: 1fr; }
}

/* —— Contact + footer —— */
.contact { border-top: 1px solid var(--line); }
.contact .shell > p { color: var(--ink-muted); max-width: 30rem; }
.email {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3vw, 2rem);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 0.08em;
  letter-spacing: -0.02em;
}
.email:hover { border-color: var(--accent); }

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.35rem 0 2.85rem;
  background: var(--bg-warm);
}
.footer-inner {
  display: flex; justify-content: space-between; gap: 2rem; flex-wrap: wrap;
}
.footer-meta {
  max-width: 28rem;
  color: var(--ink-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}
.footer-meta a {
  color: var(--ink);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
}
.footer-meta a:hover { color: var(--accent); border-color: var(--accent); }
.muted { color: var(--ink-muted); font-size: 0.84rem; margin-top: 0.55rem; }
.site-footer .wordmark { display: inline-block; margin-bottom: 0.25rem; }


/* —— Header actions + theme toggle —— */
.header-inner {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 1rem;
}
.header-inner .wordmark {
  margin-right: auto;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-shrink: 0;
}
.theme-toggle {
  appearance: none;
  -webkit-appearance: none;
  margin: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.15rem;
  height: 2.15rem;
  padding: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-muted);
  transition: color 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}
.theme-toggle:hover {
  color: var(--ink);
  border-color: var(--line-strong);
}
.theme-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.theme-toggle .theme-icon {
  display: none;
}
/* Dark mode on → show sun (switch to light). Light on → show moon. */
[data-theme="dark"] .theme-toggle .theme-icon-sun { display: block; }
[data-theme="light"] .theme-toggle .theme-icon-moon { display: block; }
html:not([data-theme]) .theme-toggle .theme-icon-sun { display: block; }

/* —— Dark theme (Quiet Scandi night) —— */
[data-theme="dark"] {
  --bg: #121411;
  --bg-warm: #181a16;
  --bg-elevated: #1a1c18;
  --ink: #eceae4;
  --ink-muted: #a8a59c;
  --line: #2c2e28;
  --line-strong: #3d4038;

  --accent: #8a9a7e;
  --accent-hover: #a3b396;
  --accent-soft: #22261f;
  --accent-tint: #1e241c;
  color-scheme: dark;
}

[data-theme="dark"] body {
  background: var(--bg);
  color: var(--ink);
}

[data-theme="dark"] .site-header {
  background: color-mix(in srgb, var(--bg) 88%, transparent);
}

[data-theme="dark"] .hero {
  background:
    radial-gradient(ellipse 55% 70% at 100% 0%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 65%),
    var(--bg);
}

[data-theme="dark"] .btn {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--bg);
}
[data-theme="dark"] .btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #121411;
}
[data-theme="dark"] .btn-quiet {
  background: transparent;
  color: var(--ink);
}
[data-theme="dark"] .btn-quiet:hover {
  background: var(--accent-soft);
  color: var(--ink);
  border-color: var(--line-strong);
}

[data-theme="dark"] .hero-mosaic figure {
  border-color: var(--line);
  background: var(--bg-warm);
}

[data-theme="dark"] .logo-marquee {
  background: var(--bg-warm);
}

/* Dark-bg logos: flatten ink marks to light metal */
[data-theme="dark"] .marquee-group img {
  filter: brightness(0) invert(1);
  opacity: 0.78;
}
[data-theme="dark"] .logo-marquee:hover .marquee-group img {
  opacity: 0.92;
}

[data-theme="dark"] .company {
  background: var(--bg-elevated);
  border-color: var(--line);
}
[data-theme="dark"] .company:hover {
  border-color: var(--line-strong);
}
[data-theme="dark"] .company-lead {
  background: linear-gradient(180deg, var(--bg-elevated) 0%, var(--bg-warm) 100%);
}

/* Company card logos that are dark-on-transparent */
[data-theme="dark"] .company-logo {
  filter: brightness(0) invert(1);
  opacity: 0.92;
}

[data-theme="dark"] .company-gallery img {
  border-color: var(--line);
  background: var(--bg-warm);
}

[data-theme="dark"] .approach {
  background: linear-gradient(180deg, var(--accent-soft) 0%, var(--bg) 72%);
}

[data-theme="dark"] .looking-for {
  background: var(--bg-elevated);
}

[data-theme="dark"] .site-footer {
  background: var(--bg-warm);
}

[data-theme="dark"] .skip-link {
  background: var(--ink);
  color: var(--bg);
}

[data-theme="dark"] .theme-toggle {
  background: var(--bg-elevated);
  border-color: var(--line);
  box-shadow: 0 4px 16px color-mix(in srgb, #000 28%, transparent);
}

[data-theme="light"] {
  color-scheme: light;
}