/* ==========================================================================
   DM_ Industrial Raise — design system
   Based on the Kanso template (via danmottram.com), adapted for raise.danmottram.com.
   Helvetica Now Display replaces Inter; monochrome palette; tight tracking.
   ========================================================================== */

/* === FONT FACES === */
@font-face {
  font-family: 'Helvetica Now Display';
  src: url('/assets/fonts/HelveticaNowDisplay-Light.woff2') format('woff2');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Helvetica Now Display';
  src: url('/assets/fonts/HelveticaNowDisplay-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Helvetica Now Display';
  src: url('/assets/fonts/HelveticaNowDisplay-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Helvetica Now Display';
  src: url('/assets/fonts/HelveticaNowDisplay-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  /* === TYPOGRAPHY === */
  --font-display: 'Helvetica Now Display', 'Helvetica Neue', Inter, Helvetica, Arial, sans-serif;
  --font-body:    'Helvetica Now Display', 'Helvetica Neue', Inter, Helvetica, Arial, sans-serif;

  /* === COLOURS (Kanso palette) === */
  --black:        #0A0A0A;
  --light-black:  #121212;
  --dark-gray:    #4D4D4D;
  --medium-gray:  #757575;
  --gray:         #A8A8A8;
  --light-gray:   #EBEBEB;
  --light-gray-90:rgba(235,235,235,0.9);
  --white:        #FFFFFF;

  /* Legacy aliases used in build.py (kept for compatibility) */
  --ink: var(--black);
  --ink-secondary: var(--dark-gray);
  --ink-muted: var(--medium-gray);
  --gray-100: var(--light-gray);
  --gray-200: var(--light-gray);
  --gray-300: var(--gray);
  --gray-500: var(--medium-gray);
  --gray-600: var(--dark-gray);
  --gray-700: var(--light-black);
  --grey-border: var(--light-gray);
  --grey-surface: #F7F7F7;
  --fog: #F7F7F7;
  --cream: var(--white);

  /* === SPACING === */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;
  --space-32: 128px;
  --space-40: 160px;

  /* === LAYOUT === */
  --container: 1280px;
  --container-narrow: 780px;
  --container-prose: 680px;

  /* === SURFACES === */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-pill: 999px;
  --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: -0.03em;
  color: var(--black);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

/* === TYPOGRAPHY — Kanso scale with Helvetica Now Display === */
h1, .h1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(3.5rem, 8vw, 7.5rem);     /* 56–120px (scaled from 200) */
  line-height: 1;
  letter-spacing: -0.06em;
}

h2, .h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2rem, 4.5vw, 4rem);        /* 32–64px */
  line-height: 1.05;
  letter-spacing: -0.05em;
}

h3, .h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.5rem, 2.6vw, 2rem);      /* 24–32px */
  line-height: 1.15;
  letter-spacing: -0.04em;
}

h4, .h4 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.375rem;                        /* 22px */
  line-height: 1.3;
  letter-spacing: -0.04em;
}

p { font-weight: 400; letter-spacing: -0.03em; }

small, .label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--medium-gray);
  letter-spacing: -0.02em;
}

.label-eyebrow {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--medium-gray);
}

/* === LAYOUT === */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

main { min-height: 60vh; }

.section { padding: var(--space-16) 0; }
.section--tight { padding: var(--space-10) 0; }

.section__cta { margin-top: var(--space-10); }

/* === HEADER === */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--light-gray);
  backdrop-filter: saturate(180%) blur(20px);
  background-color: rgba(255,255,255,0.85);
}

.site-header__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--black);
}

.site-header__arrow {
  width: 20px;
  height: 20px;
  display: inline-block;
}

.site-header__arrow svg { width: 100%; height: 100%; display: block; }

.site-header__logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.04em;
  line-height: 1;
}

.site-header__tagline {
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--medium-gray);
  letter-spacing: -0.02em;
  line-height: 1;
}

.site-header__nav {
  display: flex;
  gap: var(--space-8);
}

.site-header__nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--dark-gray);
  letter-spacing: -0.03em;
  transition: color var(--transition);
}

.site-header__nav-link:hover,
.site-header__nav-link.active { color: var(--black); }

/* === HERO === */
.hero {
  padding: var(--space-24) 0 var(--space-16);
}

.hero h1 {
  max-width: 14ch;
  margin-bottom: var(--space-6);
}

.hero__sub {
  font-size: clamp(1rem, 1.4vw, 1.25rem);
  font-weight: 400;
  color: var(--dark-gray);
  line-height: 1.4;
  max-width: 56ch;
  margin-bottom: var(--space-8);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1;
  padding: 14px 22px;
  border: 1px solid var(--black);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--black);
  color: var(--white);
}

.btn--primary:hover {
  background: var(--light-black);
}

.btn--secondary {
  background: transparent;
  color: var(--black);
}

.btn--secondary:hover {
  background: var(--black);
  color: var(--white);
}

/* === STATS === */
.stats-row {
  border-top: 1px solid var(--light-gray);
  border-bottom: 1px solid var(--light-gray);
  padding: var(--space-10) 0;
}

.stats-row__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-10);
}

.stat { display: flex; flex-direction: column; gap: var(--space-2); }

.stat__n {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1;
  letter-spacing: -0.05em;
}

.stat__label {
  font-size: 0.875rem;
  color: var(--medium-gray);
  letter-spacing: -0.02em;
}

/* === PAGE HERO (interior) === */
.page-hero {
  padding: var(--space-20) 0 var(--space-10);
  border-bottom: 1px solid var(--light-gray);
}

.page-hero h1 { margin-bottom: var(--space-4); }
.page-hero p { color: var(--dark-gray); font-size: 1.125rem; max-width: 56ch; }

/* === PROSE === */
.prose {
  max-width: var(--container-prose);
}
.prose p,
.prose li {
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--dark-gray);
}
.prose h2 { margin: var(--space-10) 0 var(--space-4); }
.prose h3 { margin: var(--space-8) 0 var(--space-3); }
.prose p + p { margin-top: var(--space-4); }
.prose ul, .prose ol { padding-left: 1.25rem; }
.prose li + li { margin-top: var(--space-2); }
.prose a { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; color: var(--black); }
.prose a:hover { color: var(--medium-gray); }
.prose .btn { margin-top: var(--space-6); }

/* === TAG GRID / PILLS === */
.tag-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-2);
  margin-top: var(--space-6);
}

.tag-pill {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border: 1px solid var(--light-gray);
  border-radius: var(--radius-pill);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--dark-gray);
  background: var(--white);
  transition: border-color var(--transition), background var(--transition), color var(--transition);
}

.tag-pill:hover {
  border-color: var(--black);
  color: var(--black);
}

a.tag-pill:hover {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}

.tag-group { display: flex; flex-wrap: wrap; gap: var(--space-2); }

/* === INVESTOR CARDS (featured / sector lists) === */
.investor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.investor-card {
  display: block;
  padding: var(--space-6);
  border: 1px solid var(--light-gray);
  border-radius: var(--radius-md);
  background: var(--white);
  color: var(--black);
  transition: border-color var(--transition), transform var(--transition);
}

.investor-card:hover {
  border-color: var(--black);
  transform: translateY(-2px);
}

.investor-card__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.125rem;
  letter-spacing: -0.04em;
  margin-bottom: var(--space-2);
}

.investor-card__meta {
  font-size: 0.8125rem;
  color: var(--medium-gray);
  letter-spacing: -0.02em;
}

.investor-card__bio {
  margin-top: var(--space-3);
  font-size: 0.875rem;
  color: var(--dark-gray);
  line-height: 1.45;
}

/* === DIRECTORY (client-filtered) === */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: flex-end;
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--light-gray);
  margin-bottom: var(--space-6);
}

.filter-bar label {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--medium-gray);
  letter-spacing: -0.02em;
}

.filter-bar select,
.filter-bar input {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--black);
  padding: 10px 14px;
  border: 1px solid var(--light-gray);
  border-radius: var(--radius-pill);
  background: var(--white);
  transition: border-color var(--transition);
  min-width: 180px;
}

.filter-bar select:focus,
.filter-bar input:focus {
  outline: none;
  border-color: var(--black);
}

#result-count {
  font-size: 0.875rem;
  color: var(--medium-gray);
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}

#investor-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-4);
}

.inv-card {
  display: block;
  padding: var(--space-5);
  border: 1px solid var(--light-gray);
  border-radius: var(--radius-md);
  background: var(--white);
  color: var(--black);
  transition: border-color var(--transition), transform var(--transition);
}

.inv-card:hover {
  border-color: var(--black);
  transform: translateY(-2px);
}

.inv-card__logo {
  width: 44px;
  height: 44px;
  object-fit: contain;
  background: var(--white);
  margin-bottom: var(--space-4);
  border-radius: var(--radius-sm);
}

.inv-card__logo-placeholder {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--light-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--dark-gray);
  font-size: 0.8125rem;
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}

.inv-card__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.0625rem;
  letter-spacing: -0.04em;
  margin-bottom: var(--space-1);
}

.inv-card__meta {
  font-size: 0.8125rem;
  color: var(--medium-gray);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
}

.inv-card__tags { display: flex; flex-wrap: wrap; gap: var(--space-1); }

.inv-card__tag {
  font-size: 0.6875rem;
  font-weight: 500;
  background: var(--light-gray);
  color: var(--dark-gray);
  padding: 3px 9px;
  border-radius: var(--radius-pill);
  letter-spacing: -0.01em;
}

/* === INVESTOR DETAIL === */
.inv-detail { padding: var(--space-16) 0 var(--space-10); }

.inv-detail__top {
  display: flex;
  align-items: flex-start;
  gap: var(--space-6);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--light-gray);
  margin-bottom: var(--space-10);
}

.inv-detail__logo-wrap {
  flex-shrink: 0;
  width: 96px;
  height: 96px;
  border-radius: var(--radius-md);
  background: var(--white);
  border: 1px solid var(--light-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.inv-detail__logo {
  max-width: 80%;
  max-height: 80%;
  object-fit: contain;
}

.inv-detail__logo-placeholder {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.75rem;
  color: var(--dark-gray);
  letter-spacing: -0.04em;
}

.inv-detail__title h1 {
  font-size: clamp(2.25rem, 4vw, 3.25rem);
  letter-spacing: -0.05em;
  line-height: 1.05;
  margin-bottom: var(--space-3);
}

.inv-detail__meta {
  font-size: 1rem;
  color: var(--medium-gray);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
}

.inv-detail__links {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.ext-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--black);
  letter-spacing: -0.02em;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.ext-link:hover { color: var(--medium-gray); }

.inv-detail__body.two-col {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: var(--space-16);
}

.inv-detail__left { min-width: 0; }

.inv-section { margin-bottom: var(--space-10); }

.inv-section h2 {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--medium-gray);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--light-gray);
}

.inv-section p {
  font-size: 1.0625rem;
  line-height: 1.5;
  color: var(--dark-gray);
}

.inv-section .placeholder { color: var(--gray); font-style: normal; }

.portfolio-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.portfolio-list li {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--light-gray);
  font-size: 0.9375rem;
  color: var(--dark-gray);
}

.portfolio-list li strong {
  color: var(--black);
  font-weight: 600;
}

.portfolio-list li:last-child { border-bottom: none; }

/* === ASIDE CARDS === */
.inv-detail__right {
  position: sticky;
  top: calc(var(--space-16) + 60px);
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.aside-card {
  padding: var(--space-6);
  border: 1px solid var(--light-gray);
  border-radius: var(--radius-md);
  background: var(--white);
}

.aside-card--cta {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}

.aside-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.04em;
  margin-bottom: var(--space-3);
}

.aside-card p {
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--dark-gray);
  margin-bottom: var(--space-4);
}

.aside-card--cta p { color: var(--light-gray); }

.aside-card--cta .btn {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}
.aside-card--cta .btn:hover { background: var(--light-gray); }

.aside-card dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-2) var(--space-4);
  font-size: 0.875rem;
}
.aside-card dt { color: var(--medium-gray); letter-spacing: -0.02em; }
.aside-card dd { color: var(--black); letter-spacing: -0.02em; font-weight: 500; }

.removal-link {
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid var(--light-gray);
  font-size: 0.8125rem;
  color: var(--medium-gray);
}

.removal-link a { text-decoration: underline; }
.removal-link a:hover { color: var(--black); }

/* === CTA BLOCK === */
.cta-block {
  background: var(--black);
  color: var(--white);
  padding: var(--space-20) 0;
  margin-top: var(--space-16);
}

.cta-block .container {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-6);
  max-width: var(--container-narrow);
}

.cta-block h3 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 1.05;
  color: var(--white);
}

.cta-block p {
  font-size: 1.0625rem;
  line-height: 1.5;
  color: var(--gray);
  max-width: 52ch;
}

.cta-block .btn {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}
.cta-block .btn:hover { background: var(--light-gray); border-color: var(--light-gray); }

/* === FOOTER === */
.site-footer {
  background: var(--white);
  border-top: 1px solid var(--light-gray);
  padding: var(--space-16) 0 var(--space-10);
}

.site-footer__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-10);
  align-items: start;
}

.site-footer__brand { display: flex; flex-direction: column; gap: var(--space-2); }

.site-footer__logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.04em;
  color: var(--black);
}

.site-footer__tagline {
  font-size: 0.875rem;
  color: var(--medium-gray);
  max-width: 44ch;
  letter-spacing: -0.02em;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
}

.site-footer__links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--dark-gray);
  letter-spacing: -0.02em;
  transition: color var(--transition);
}

.site-footer__links a:hover { color: var(--black); }

.site-footer__copy {
  grid-column: 1 / -1;
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid var(--light-gray);
  font-size: 0.75rem;
  color: var(--medium-gray);
  letter-spacing: -0.01em;
}

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .inv-detail__body.two-col { grid-template-columns: 1fr; gap: var(--space-10); }
  .inv-detail__right { position: static; }
}

@media (max-width: 720px) {
  .site-header__nav { gap: var(--space-4); }
  .site-header__tagline { display: none; }
  .hero { padding: var(--space-16) 0 var(--space-10); }
  .section { padding: var(--space-10) 0; }
  .filter-bar { flex-direction: column; align-items: stretch; gap: var(--space-3); }
  .filter-bar label { width: 100%; }
  .filter-bar select, .filter-bar input { width: 100%; }
  .site-footer__inner { grid-template-columns: 1fr; }
  .inv-detail__top { flex-direction: column; }
  .cta-block { padding: var(--space-16) 0; }
}

@media (max-width: 480px) {
  h1, .h1 { letter-spacing: -0.05em; }
  .inv-detail__logo-wrap { width: 72px; height: 72px; }
}