/* =================================================================
   NAPP — Nature and People Projects
   Design tokens + global styles
   Direction: clean sans-serif, neutral/monochrome, image-led,
   generous whitespace — in the spirit of Henning Larsen / Snøhetta.
   ================================================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@200;300;400;500;600;700&family=IBM+Plex+Mono:wght@400;500&family=Newsreader:ital@1&display=swap');

:root {
  /* Color tokens — neutral, photography-led, one restrained accent */
  --color-bg: #FFFFFF;
  --color-surface: #F6F5F3;
  --color-surface-2: #ECEAE6;
  --color-fg: #111111;
  --color-fg-muted: #6B6B68;
  --color-fg-faint: #A3A19C;
  --color-border: #E3E1DC;
  --color-border-strong: #C9C6BF;
  --color-accent: #5BAD82;
  --color-on-dark: #F4F3F0;
  --color-dark: #111111;
  --color-dark-2: #1B1B1A;

  /* Typography */
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  /* Spacing scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;
  --space-7: 64px;
  --space-8: 96px;
  --space-9: 128px;
  --space-10: 160px;

  --container-max: 1440px;
  --container-pad: 40px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

@media (max-width: 640px) {
  :root { --container-pad: 20px; }
}

* { 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;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-fg);
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

h1, h2, h3, h4 {
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.05;
  margin: 0;
  letter-spacing: -0.015em;
}

p { margin: 0; }

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

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

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

/* ---------- Type scale ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-fg-muted);
}

.display-1 { font-size: clamp(40px, 7vw, 104px); font-weight: 200; }
.display-2 { font-size: clamp(32px, 5vw, 68px); font-weight: 200; }
.display-3 { font-size: clamp(24px, 3.2vw, 44px); font-weight: 300; }
.lede { font-size: clamp(17px, 1.4vw, 19px); line-height: 1.6; color: var(--color-fg-muted); font-weight: 400; }

/* Reusable prose sizes — use instead of one-off inline font-size overrides */
.prose-lg { font-size: clamp(19px, 2vw, 24px); line-height: 1.55; font-weight: 400; color: var(--color-fg); }
.prose-body { font-size: clamp(15px, 1.2vw, 17px); line-height: 1.7; font-weight: 400; color: var(--color-fg); }

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  left: -999px; top: 0;
  background: var(--color-dark);
  color: var(--color-on-dark);
  padding: var(--space-2) var(--space-3);
  z-index: 200;
}
.skip-link:focus { left: var(--space-3); top: var(--space-3); }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 240ms var(--ease);
}
.site-header.is-scrolled { border-bottom-color: var(--color-border); }
.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.logo {
  font-size: 23px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.main-nav { display: flex; align-items: center; gap: var(--space-6); }
.main-nav__list { display: flex; gap: var(--space-5); list-style: none; margin: 0; padding: 0; }
.main-nav__list a {
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.01em;
  position: relative;
  padding-bottom: 4px;
}
.main-nav__list a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0%; height: 1px;
  background: var(--color-fg);
  transition: width 220ms var(--ease);
}
.main-nav__list a:hover::after,
.main-nav__list a[aria-current="page"]::after { width: 100%; }

/* Nav dropdown (Purpose, Practice) */
.has-dropdown { position: relative; }
.has-dropdown > a::before {
  content: "";
  display: inline-block;
  width: 5px; height: 5px;
  margin-left: 5px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  opacity: 0.7;
}
.nav-dropdown {
  position: absolute;
  top: 100%; left: 0;
  margin: 0; padding: var(--space-3) 0;
  list-style: none;
  min-width: 180px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity 180ms var(--ease), transform 180ms var(--ease), visibility 180ms;
}
.has-dropdown:hover .nav-dropdown,
.has-dropdown:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-dropdown li { display: block; }
.nav-dropdown a {
  display: block;
  padding: var(--space-2) var(--space-4);
  font-size: 13.5px;
  font-weight: 500;
  white-space: nowrap;
}
.nav-dropdown a::after { display: none; }
.nav-dropdown a:hover { background: var(--color-surface); }

@media (max-width: 900px) {
  .has-dropdown > a::before { display: none; }
  .nav-dropdown {
    position: static;
    border: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    padding: var(--space-2) 0 0 var(--space-4);
    min-width: 0;
  }
  .nav-dropdown a { padding: var(--space-2) 0; font-size: 18px; }
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 13px 24px;
  border: 1px solid var(--color-fg);
  border-radius: 0;
  background: transparent;
  transition: background 220ms var(--ease), color 220ms var(--ease);
  white-space: nowrap;
}
.btn:hover { background: var(--color-fg); color: var(--color-bg); }
.btn--primary { background: var(--color-dark); color: var(--color-on-dark); border-color: var(--color-dark); }
.btn--primary:hover { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-on-dark); }
.btn--ghost { border-color: transparent; padding-left: 0; padding-right: 0; }
.btn--ghost:hover { background: transparent; color: var(--color-accent); }
.btn--sm { padding: 9px 18px; font-size: 12.5px; }

.nav-toggle {
  display: none;
  background: none; border: none;
  padding: 8px; width: 44px; height: 44px;
  align-items: center; justify-content: center;
}
.nav-toggle__icon, .nav-toggle__icon::before, .nav-toggle__icon::after {
  content: ""; display: block;
  width: 22px; height: 1.5px;
  background: var(--color-fg);
  position: relative;
  transition: transform 220ms var(--ease), opacity 220ms var(--ease);
}
.nav-toggle__icon::before { position: absolute; top: -7px; }
.nav-toggle__icon::after { position: absolute; top: 7px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__icon { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__icon::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__icon::after { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 900px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed;
    top: 76px; left: 0; right: 0; bottom: 0;
    background: var(--color-bg);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-6) var(--container-pad);
    gap: var(--space-6);
    transform: translateY(-8px);
    opacity: 0; visibility: hidden;
    transition: opacity 220ms var(--ease), transform 220ms var(--ease), visibility 220ms;
  }
  .main-nav.is-open { opacity: 1; transform: translateY(0); visibility: visible; }
  .main-nav__list { flex-direction: column; gap: var(--space-4); }
  .main-nav__list a { font-size: 22px; }
}

/* ---------- Hero (full-bleed image, minimal overlay) ---------- */
.hero {
  position: relative;
  height: 100svh;
  min-height: 560px;
  margin-top: 76px;
  overflow: hidden;
}
.hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1200ms var(--ease);
}
.hero__slide.is-active { opacity: 1; }
.hero__slide img { width: 100%; height: 100%; object-fit: cover; }
.hero__scrim {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.18) 0%, rgba(0,0,0,0) 35%, rgba(0,0,0,0.32) 100%);
}
.hero__content {
  position: absolute;
  left: 0; right: 0;
  bottom: clamp(64px, 14vh, 150px);
  padding: 0;
  color: var(--color-on-dark);
}
.hero__content .eyebrow { color: rgba(244,243,240,0.78); margin-bottom: var(--space-3); display: block; }
.hero__content h1 { color: var(--color-on-dark); max-width: 18ch; }
.hero__content .lede { color: rgba(244,243,240,0.86); margin-top: var(--space-4); max-width: 56ch; }

@media (max-width: 700px) {
  .hero { height: 86svh; min-height: 620px; }
  .hero__content { bottom: clamp(32px, 8vh, 72px); }
  .hero__content h1 { max-width: 100%; }
}

/* ---------- Manifesto ---------- */
.manifesto { border-bottom: 1px solid var(--color-border); }
.manifesto__grid {
  display: grid;
  grid-template-columns: 1fr 0.15fr 1.1fr;
  gap: var(--space-6);
  align-items: center;
}
.manifesto__text {
  max-width: 56ch;
  margin: 0 auto;
  text-align: center;
  font-size: clamp(17px, 2vw, 23px);
  font-weight: 300;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--color-fg);
}
.manifesto__line {
  display: block;
  margin-bottom: var(--space-4);
}
.manifesto__emphasis {
  font-family: 'Newsreader', serif;
  font-style: italic;
  font-weight: 500;
}
.manifesto__line:last-child {
  margin-bottom: 0;
}
@media (max-width: 860px) {
  .manifesto__grid { grid-template-columns: 1fr; gap: var(--space-6); }
  .manifesto__grid > div[aria-hidden] { display: none; }
}

/* ---------- Insight card ---------- */
.insight-card { display: block; max-width: 460px; }
.insight-card__media { aspect-ratio: 4/3; overflow: hidden; background: var(--color-surface-2); margin-bottom: var(--space-4); }
.insight-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 600ms var(--ease); }
.insight-card:hover .insight-card__media img { transform: scale(1.04); }
.insight-card__kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-fg-faint);
  margin-bottom: var(--space-3);
}
.insight-card__date { color: var(--color-fg-faint); }
.insight-card__title {
  font-size: 18px;
  font-weight: 500;
  line-height: 1.35;
  color: var(--color-fg);
  transition: color 200ms;
}
.insight-card:hover .insight-card__title { color: var(--color-accent); }
@media (max-width: 860px) { .insight-card { max-width: 100%; } }

/* ---------- Stats strip ---------- */
.stats { border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); padding: var(--space-6) 0; }
.stats__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
.stat__value { font-size: clamp(22px, 2.2vw, 30px); font-weight: 300; }
.stat__label { margin-top: var(--space-2); font-size: 13.5px; color: var(--color-fg-muted); }
@media (max-width: 760px) { .stats__grid { grid-template-columns: 1fr; gap: var(--space-4); } }

/* ---------- Section spacing ---------- */
.section { padding: var(--space-9) 0; }
.section--tight { padding: var(--space-7) 0; }
.section--surface { background: var(--color-surface); }
.section--dark { background: var(--color-dark); color: var(--color-on-dark); }
.section--dark .eyebrow { color: rgba(244,243,240,0.55); }
.section--dark .lede { color: rgba(244,243,240,0.72); }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--space-5); margin-bottom: var(--space-7); flex-wrap: wrap; }
.section-head .lede { max-width: 52ch; margin-top: var(--space-3); }

/* ---------- Service tabs ---------- */
.tab-bar {
  display: inline-flex;
  border: 1px solid var(--color-border-strong);
  margin-bottom: var(--space-7);
}
.tab-btn {
  padding: 12px 22px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-fg-muted);
  background: none;
  border: none;
  border-right: 1px solid var(--color-border-strong);
}
.tab-btn:last-child { border-right: none; }
.tab-btn.is-active { background: var(--color-dark); color: var(--color-on-dark); }

.tab-panel { display: none; }
.tab-panel.is-active { display: block; }
.tab-panel-head { margin-bottom: var(--space-6); padding-bottom: var(--space-6); border-bottom: 1px solid var(--color-border); }
.tab-panel-head .eyebrow { margin-bottom: var(--space-2); display: block; }
.tab-panel-head p { color: var(--color-fg-muted); max-width: 60ch; margin-top: var(--space-3); }

/* ---------- Service rows ---------- */
.service-row {
  display: grid;
  grid-template-columns: 56px 1.4fr 1fr;
  gap: var(--space-5);
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--color-border);
}
.service-row__id { font-family: var(--font-mono); font-size: 11px; color: var(--color-fg-faint); padding-top: 4px; }
.service-row__title { font-size: clamp(19px, 2vw, 24px); font-weight: 400; margin-bottom: var(--space-2); }
.service-row__desc { color: var(--color-fg-muted); font-size: 14.5px; }
.service-row__tag { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-fg-faint); text-align: right; padding-top: 4px; }
@media (max-width: 760px) {
  .service-row { grid-template-columns: 36px 1fr; }
  .service-row__tag { display: none; }
}
.section--dark .service-row { border-bottom-color: #2A2A29; }
.section--dark .service-row__id, .section--dark .service-row__tag { color: #5A5A57; }
.section--dark .service-row__desc { color: #9A9A96; }

/* ---------- Project grid (portfolio) ---------- */
.project-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-6) var(--space-5); }
.project-card { display: block; }
.project-card__media { aspect-ratio: 4/3; overflow: hidden; background: var(--color-surface-2); }
.project-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 700ms var(--ease); }
.project-card:hover .project-card__media img { transform: scale(1.04); }
.project-card__meta { margin-top: var(--space-4); display: flex; justify-content: space-between; align-items: baseline; }
.project-card__title { font-size: clamp(19px, 2vw, 24px); font-weight: 400; }
.project-card__loc { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-fg-faint); }
.project-card__type { margin-top: var(--space-1); font-size: 13.5px; color: var(--color-fg-muted); }
@media (max-width: 760px) { .project-grid { grid-template-columns: 1fr; } }

.filter-bar { display: flex; gap: var(--space-3); flex-wrap: wrap; margin-bottom: var(--space-7); }
.filter-chip {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 9px 16px;
  border: 1px solid var(--color-border-strong);
  background: transparent;
}
.filter-chip:hover { border-color: var(--color-fg); }
.filter-chip.is-active { background: var(--color-fg); color: var(--color-bg); border-color: var(--color-fg); }

/* ---------- Two column feature ---------- */
.feature { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-8); align-items: center; }
.feature--reverse .feature__media { order: 2; }
.feature__media { aspect-ratio: 4/3; overflow: hidden; background: var(--color-surface-2); }
.feature__media img { width: 100%; height: 100%; object-fit: cover; }
.feature__copy .eyebrow { margin-bottom: var(--space-3); display: block; }
.feature__copy p.lede { margin-top: var(--space-4); }
.feature__list { margin-top: var(--space-5); display: flex; flex-direction: column; gap: var(--space-3); }
.feature__list li { display: flex; gap: var(--space-3); align-items: flex-start; list-style: none; color: var(--color-fg-muted); font-size: 14.5px; }
.feature__list li::before { content: ""; width: 5px; height: 5px; margin-top: 8px; background: var(--color-accent); flex-shrink: 0; }
@media (max-width: 860px) {
  .feature { grid-template-columns: 1fr; gap: var(--space-5); }
  .feature--reverse .feature__media { order: 0; }
}

/* ---------- Quote ---------- */
.quote { max-width: 880px; margin: 0 auto; text-align: center; }
.quote blockquote { font-size: clamp(22px, 3vw, 36px); font-weight: 300; line-height: 1.35; margin: 0; }
.quote cite { display: block; margin-top: var(--space-5); font-style: normal; font-size: 13px; letter-spacing: 0.04em; color: var(--color-fg-muted); }

/* ---------- CTA band ---------- */
.cta-band { background: var(--color-dark); color: var(--color-on-dark); padding: var(--space-9) 0; }
.cta-band__grid { display: flex; justify-content: space-between; align-items: center; gap: var(--space-6); flex-wrap: wrap; }
.cta-band h2 { max-width: 24ch; }
.cta-band .btn { border-color: var(--color-on-dark); color: var(--color-on-dark); }
.cta-band .btn:hover { background: var(--color-on-dark); color: var(--color-dark); }

/* ---------- Client tiers ---------- */
.clients-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--color-border); border: 1px solid var(--color-border); }
.client-col { background: var(--color-bg); padding: var(--space-6) var(--space-5); }
.client-col h3 { font-size: clamp(18px, 1.8vw, 22px); font-weight: 400; margin-bottom: var(--space-3); }
.client-col p { color: var(--color-fg-muted); font-size: 14px; margin-bottom: var(--space-4); }
.client-entry { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.04em; color: var(--color-fg-faint); line-height: 2; }
.client-entry strong { display: block; color: var(--color-fg-muted); margin-bottom: var(--space-2); font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; font-size: 10px; }
@media (max-width: 860px) { .clients-grid { grid-template-columns: 1fr; } }

/* ---------- Lab streams ---------- */
.lab-streams { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--color-border); border: 1px solid var(--color-border); margin-bottom: var(--space-8); }
.lab-stream { background: var(--color-surface); padding: var(--space-6) var(--space-5); }
.lab-stream__num { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.1em; color: var(--color-accent); margin-bottom: var(--space-3); }
.lab-stream h3 { font-size: clamp(18px, 1.8vw, 22px); font-weight: 400; margin-bottom: var(--space-3); }
.lab-stream p { color: var(--color-fg-muted); font-size: 14px; }
@media (max-width: 860px) { .lab-streams { grid-template-columns: 1fr; } }

.lab-badge { display: inline-flex; align-items: center; gap: var(--space-2); font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-accent); margin-bottom: var(--space-4); }
.lab-badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--color-accent); }

/* ---------- Page header ---------- */
.page-header { padding-top: calc(76px + var(--space-7)); padding-bottom: var(--space-7); border-bottom: 1px solid var(--color-border); }
.page-header .eyebrow { margin-bottom: var(--space-3); display: block; }
.page-header .lede { margin-top: var(--space-4); max-width: 64ch; }
.breadcrumb { display: flex; gap: var(--space-2); font-size: 12.5px; color: var(--color-fg-faint); margin-bottom: var(--space-4); }
.breadcrumb a:hover { color: var(--color-fg); }

/* ---------- Knowledge grid (article preview cards) ---------- */
.knowledge-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}
.knowledge-card { display: flex; flex-direction: column; }
.knowledge-card__eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--color-fg-faint);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  margin-bottom: var(--space-3);
}
.knowledge-card__title { font-size: clamp(18px, 1.8vw, 21px); font-weight: 400; margin-bottom: var(--space-3); }
.knowledge-card__body { font-size: 14px; color: var(--color-fg-muted); line-height: 1.7; margin-bottom: var(--space-4); flex-grow: 1; }
.knowledge-card__link { font-size: 13.5px; font-weight: 500; margin-bottom: var(--space-4); display: inline-block; }
.knowledge-card__link::after { content: " →"; }
.knowledge-card__media { aspect-ratio: 4/5; overflow: hidden; background: var(--color-surface-2); }
.knowledge-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 600ms var(--ease); }
.knowledge-card:hover .knowledge-card__media img { transform: scale(1.04); }
@media (max-width: 1024px) { .knowledge-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .knowledge-grid { grid-template-columns: 1fr; } }

/* ---------- Journal / articles ---------- */
.article-list { display: flex; flex-direction: column; }
.article-row {
  display: grid;
  grid-template-columns: 140px 1fr auto;
  gap: var(--space-6);
  align-items: baseline;
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--color-border);
  transition: background 180ms;
}
.article-row:hover { background: var(--color-surface); }
.article-row__date { font-family: var(--font-mono); font-size: 12px; color: var(--color-fg-faint); }
.article-row__title { font-size: clamp(18px, 1.8vw, 22px); font-weight: 400; }
.article-row__cat { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-fg-faint); }
@media (max-width: 700px) {
  .article-row { grid-template-columns: 1fr; gap: var(--space-2); }
}

.article-hero__image { aspect-ratio: 16/8; overflow: hidden; margin-top: var(--space-7); background: var(--color-surface-2); }
.article-hero__image img { width: 100%; height: 100%; object-fit: cover; }
.article-prose { max-width: 720px; margin: 0 auto; }
.article-prose p { color: var(--color-fg-muted); margin-bottom: var(--space-4); font-size: 16.5px; line-height: 1.75; }
.article-prose h2 { font-size: clamp(22px, 2.4vw, 30px); margin-top: var(--space-7); margin-bottom: var(--space-4); font-weight: 400; }

/* ---------- Case study / portfolio detail ---------- */
.cs-hero__image { aspect-ratio: 16/9; overflow: hidden; margin-top: var(--space-7); background: var(--color-surface-2); }
.cs-hero__image img { width: 100%; height: 100%; object-fit: cover; }
.cs-meta-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-5); padding: var(--space-6) 0; border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.cs-meta-grid dt { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-fg-faint); margin: 0; }
.cs-meta-grid dd { margin: var(--space-2) 0 0; font-size: 15px; font-weight: 500; }
@media (max-width: 760px) { .cs-meta-grid { grid-template-columns: 1fr 1fr; } }
.cs-prose { max-width: 720px; margin: 0 auto; }
.cs-prose p { color: var(--color-fg-muted); margin-bottom: var(--space-4); font-size: 16.5px; line-height: 1.75; }
.cs-gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
.cs-gallery__item { aspect-ratio: 4/3; overflow: hidden; background: var(--color-surface-2); }
.cs-gallery__item img { width: 100%; height: 100%; object-fit: cover; }
.cs-gallery__item--wide { grid-column: 1 / -1; aspect-ratio: 16/8; }
@media (max-width: 700px) { .cs-gallery { grid-template-columns: 1fr; } }
.cs-nav { display: flex; justify-content: space-between; border-top: 1px solid var(--color-border); padding-top: var(--space-6); }
.cs-nav__link { display: flex; flex-direction: column; gap: var(--space-2); max-width: 320px; }
.cs-nav__link.next { text-align: right; align-items: flex-end; }
.cs-nav__link:hover .cs-nav__title { color: var(--color-accent); }
.cs-nav__title { font-size: 18px; font-weight: 400; transition: color 200ms; }

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); }
.form-field { display: flex; flex-direction: column; gap: var(--space-2); margin-bottom: var(--space-5); }
.form-field--full { grid-column: 1 / -1; }
.form-field label { font-size: 12.5px; font-weight: 500; letter-spacing: 0.02em; }
.form-field input, .form-field select, .form-field textarea {
  font-family: var(--font-sans);
  font-size: 15px;
  padding: 14px 16px;
  border: 1px solid var(--color-border-strong);
  background: var(--color-bg);
  color: var(--color-fg);
  min-height: 48px;
  border-radius: 0;
  transition: border-color 180ms;
}
.form-field textarea { min-height: 140px; resize: vertical; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-color: var(--color-fg); outline: none; }
.form-field .error-msg { display: none; font-size: 12.5px; color: var(--color-accent); }
.form-field.has-error input, .form-field.has-error textarea { border-color: #B23B3B; }
.form-field.has-error .error-msg { display: block; }
.form-note { font-size: 12.5px; color: var(--color-fg-faint); margin-top: var(--space-3); }
.form-success { display: none; border: 1px solid var(--color-accent); background: var(--color-surface); padding: var(--space-5); margin-bottom: var(--space-6); }
.form-success.is-visible { display: block; }
.form-error { display: none; border: 1px solid #B23B3B; background: var(--color-surface); color: #B23B3B; padding: var(--space-4) var(--space-5); margin-bottom: var(--space-6); font-size: 14px; }
.form-error.is-visible { display: block; }
@media (max-width: 700px) { .form-grid { grid-template-columns: 1fr; } }

.info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
.info-card { border-top: 1px solid var(--color-border); padding-top: var(--space-4); }
.info-card h3 { font-size: 16px; font-weight: 500; margin-bottom: var(--space-2); }
.info-card p, .info-card a { color: var(--color-fg-muted); font-size: 14.5px; }
.info-card a:hover { color: var(--color-fg); }
@media (max-width: 760px) { .info-grid { grid-template-columns: 1fr; gap: var(--space-4); } }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--color-border); padding: var(--space-8) 0 var(--space-6); background: var(--color-bg); }
.footer__top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr; gap: var(--space-5); padding-bottom: var(--space-7); }
.footer__brand .logo { margin-bottom: var(--space-4); display: block; }
.footer__brand p { color: var(--color-fg-muted); max-width: 30ch; font-size: 14px; }
.footer__col h4 { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-fg-faint); margin-bottom: var(--space-4); font-weight: 400; }
.footer__col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--space-3); }
.footer__col a { color: var(--color-fg-muted); font-size: 14px; transition: color 200ms; }
.footer__col a:hover { color: var(--color-fg); }
.footer__bottom { border-top: 1px solid var(--color-border); padding-top: var(--space-5); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: var(--space-3); font-size: 12.5px; color: var(--color-fg-faint); }
@media (max-width: 900px) { .footer__top { grid-template-columns: 1fr 1fr 1fr; gap: var(--space-5); } }
@media (max-width: 600px) { .footer__top { grid-template-columns: 1fr 1fr; } }

/* ---------- Declarations list (philosophy manifesto) ---------- */
.declarations { display: flex; flex-direction: column; }
.declarations li {
  list-style: none;
  font-size: clamp(20px, 2.4vw, 30px);
  font-weight: 300;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--color-fg);
  padding: var(--space-5) 0;
  border-top: 1px solid var(--color-border);
}
.declarations li:last-child { border-bottom: 1px solid var(--color-border); }

/* ---------- Generic two-column grid (references, etc.) ---------- */
.two-col-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-8); }
.two-col-grid h3 { font-size: 13px; font-weight: 500; letter-spacing: 0.04em; text-transform: uppercase; color: var(--color-fg-faint); margin-bottom: var(--space-4); }
.two-col-grid ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--space-3); }
.two-col-grid li { font-size: 16px; color: var(--color-fg); padding-bottom: var(--space-3); border-bottom: 1px solid var(--color-border); }
.two-col-grid li span { display: block; margin-top: var(--space-1); font-size: 13px; color: var(--color-fg-muted); }
@media (max-width: 760px) { .two-col-grid { grid-template-columns: 1fr; gap: var(--space-6); } }

/* ---------- CTA band with secondary link ---------- */
.cta-band__links { display: flex; align-items: center; gap: var(--space-5); flex-wrap: wrap; }
.cta-band__secondary { font-size: 13.5px; font-weight: 500; color: var(--color-on-dark); opacity: 0.75; transition: opacity 200ms; }
.cta-band__secondary:hover { opacity: 1; }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 700ms var(--ease), transform 700ms var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Back to top ---------- */
.back-to-top {
  position: fixed; bottom: var(--space-5); right: var(--space-5);
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--color-dark); color: var(--color-on-dark);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: opacity 220ms var(--ease), transform 220ms var(--ease), visibility 220ms;
  z-index: 90; border: none;
}
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }