/* nuance.lab — taupe / grayscale landing */

:root {
  --bg: #B4AEA2;
  --bg-soft: #C4C2B8;
  --text: #2C2C2C;
  --text-soft: #3A3A3A;
  --mid: #6E6E6A;
  --light: #E8E6E0;
  --near-white: #F5F3ED;
  --font-sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-serif: "IBM Plex Serif", Georgia, "Times New Roman", serif;
  --max: 68rem;
  --narrow: 38rem;
  --space: clamp(1.25rem, 3vw, 2.5rem);
  --radius: 0.35rem;
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .logo-motion {
    display: none !important;
  }
  .logo-fallback {
    display: block !important;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: clamp(1.05rem, 0.4vw + 1rem, 1.15rem);
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img,
video {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--text);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: color 0.2s ease, opacity 0.2s ease;
}

a:hover,
a:focus-visible {
  color: var(--text-soft);
}

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100%;
  z-index: 100;
  padding: 0.6rem 1rem;
  background: var(--near-white);
  color: var(--text);
  border-radius: var(--radius);
}

.skip-link:focus {
  top: 1rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.wrap {
  width: min(100% - 2 * var(--space), var(--max));
  margin-inline: auto;
}

.wrap.narrow {
  width: min(100% - 2 * var(--space), var(--narrow));
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid color-mix(in srgb, var(--text) 8%, transparent);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
}

.wordmark {
  font-weight: 500;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.site-nav ul {
  display: flex;
  gap: clamp(1rem, 3vw, 1.75rem);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  font-size: 0.92rem;
  font-weight: 400;
  color: var(--text-soft);
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
  text-decoration: underline;
}

/* Hero */

.hero {
  padding: clamp(2.5rem, 8vw, 5.5rem) 0 clamp(3rem, 9vw, 6rem);
}

.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.75rem;
}

.logo-stage {
  position: relative;
  width: min(100%, 34rem);
  aspect-ratio: 16 / 9;
  background: var(--bg);
  border-radius: var(--radius);
  overflow: hidden;
}

.logo-motion,
.logo-fallback {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: var(--bg);
}

.logo-motion {
  opacity: 0;
  transition: opacity 0.4s ease;
}

.logo-motion.is-ready {
  opacity: 1;
}

.logo-fallback[hidden] {
  display: none;
}

.tagline {
  max-width: 34rem;
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.15rem, 0.6vw + 1.05rem, 1.4rem);
  font-weight: 400;
  line-height: 1.55;
  color: var(--text-soft);
}

.affiliation {
  margin: 0;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  color: var(--mid);
}

/* Sections */

.section {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
}

.section + .section {
  border-top: 1px solid color-mix(in srgb, var(--text) 10%, transparent);
}

.section h2 {
  margin: 0 0 1.25rem;
  font-family: var(--font-serif);
  font-size: clamp(1.45rem, 1vw + 1.2rem, 1.85rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--text);
}

.section p {
  margin: 0 0 1rem;
  color: var(--text-soft);
}

.section p:last-child {
  margin-bottom: 0;
}

.section strong {
  font-weight: 500;
  color: var(--text);
}

.subtle {
  color: var(--mid) !important;
  font-size: 0.98rem;
}

.subtle em {
  font-style: italic;
  color: var(--text-soft);
}

/* Work teaser */

.teaser {
  padding: 1.5rem 1.6rem;
  background: color-mix(in srgb, var(--near-white) 35%, transparent);
  border: 1px solid color-mix(in srgb, var(--text) 8%, transparent);
  border-radius: calc(var(--radius) + 0.15rem);
}

.eyebrow {
  margin: 0 0 0.4rem !important;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mid) !important;
}

.teaser h3 {
  margin: 0 0 0.75rem;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text);
}

.teaser cite {
  font-style: italic;
}

/* Contact */

.contact-name {
  margin: 0 0 0.25rem !important;
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--text) !important;
}

.contact .affiliation {
  margin-bottom: 1rem;
}

/* Footer */

.site-footer {
  padding: 2rem 0 2.5rem;
  border-top: 1px solid color-mix(in srgb, var(--text) 10%, transparent);
}

.footer-inner p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--mid);
  text-align: center;
}

/* Small screens */

@media (max-width: 480px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav ul {
    gap: 1rem;
  }
}