/* ============================================================
   BIDUA Industries — Premium minimalist design system.
   Reference aesthetic: Apple, Tata Sons, Bvlgari, Aesop.
   Light background, refined typography (serif + clean sans),
   generous whitespace, black-on-white accents only.
   ============================================================ */

/* ---------- Design tokens ---------- */
:root {
  /* Surfaces */
  --bg: #ffffff;
  --bg-alt: #fafafa;
  --bg-soft: #f4f4f4;
  --bg-strong: #0c0c0c;

  /* Ink */
  --ink: #0c0c0c;
  --ink-2: #2a2a2a;
  --ink-3: #555555;
  --ink-4: #8a8a8a;
  --ink-5: #b8b8b8;
  --ink-on-dark: #ffffff;

  /* Hairlines */
  --line: #e8e8e8;
  --line-strong: #d4d4d4;

  /* Accent — luxury minimalism uses black as the accent.
     One single restrained color elsewhere if needed. */
  --accent: #0c0c0c;
  --accent-soft: #ededed;

  /* Type — serif for the brand voice, sans for everything else */
  --font-serif: 'Fraunces', 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;

  /* Type scale — modular, slightly more refined than default. */
  --t-xs: 0.75rem;
  --t-sm: 0.875rem;
  --t-base: 1rem;
  --t-lg: 1.125rem;
  --t-xl: 1.25rem;
  --t-2xl: 1.5rem;
  --t-3xl: 2rem;
  --t-4xl: 2.5rem;
  --t-5xl: clamp(2.5rem, 5vw, 3.5rem);
  --t-6xl: clamp(3rem, 7vw, 4.75rem);
  --t-display: clamp(3.5rem, 10vw, 7rem);

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

  /* Containers */
  --w-narrow: 760px;
  --w-prose: 880px;
  --w-content: 1180px;
  --w-wide: 1320px;

  /* Section padding — responsive */
  --section-py: clamp(72px, 11vw, 144px);

  /* Motion */
  --t-fast: 160ms cubic-bezier(0.4, 0, 0.2, 1);
  --t-base-motion: 240ms cubic-bezier(0.4, 0, 0.2, 1);
  --t-slow: 480ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Reset + base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--t-base);
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  font-weight: 400;
  letter-spacing: -0.005em;
}
img, svg, video { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; border: none; background: none; }
a { color: inherit; text-decoration: none; transition: color var(--t-fast); }
ul, ol { margin: 0; padding: 0; list-style: none; }
hr { border: 0; border-top: 1px solid var(--line); margin: 0; }
address { font-style: normal; }
::selection { background: var(--ink); color: var(--bg); }

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 500;
  color: var(--ink);
  margin: 0;
  letter-spacing: -0.02em;
  line-height: 1.08;
  font-variation-settings: 'opsz' 144, 'SOFT' 0, 'WONK' 0;
}
h1, .h1 { font-size: var(--t-6xl); }
h2, .h2 { font-size: var(--t-5xl); }
h3, .h3 { font-size: var(--t-3xl); line-height: 1.2; }
h4, .h4 { font-size: var(--t-2xl); line-height: 1.3; }
h5 { font-size: var(--t-xl); }
h6 { font-size: var(--t-lg); }
p { margin: 0 0 var(--s-4) 0; }
.lead {
  font-size: var(--t-xl);
  line-height: 1.5;
  color: var(--ink-2);
  font-weight: 400;
  letter-spacing: -0.01em;
}
.eyebrow {
  font-family: var(--font-sans);
  font-size: var(--t-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-4);
}
.serif { font-family: var(--font-serif); }
.italic { font-style: italic; }

/* ---------- Layout primitives ---------- */
.container { width: 100%; max-width: var(--w-content); margin: 0 auto; padding: 0 24px; }
.container-narrow { width: 100%; max-width: var(--w-narrow); margin: 0 auto; padding: 0 24px; }
.container-prose { width: 100%; max-width: var(--w-prose); margin: 0 auto; padding: 0 24px; }
.container-wide { width: 100%; max-width: var(--w-wide); margin: 0 auto; padding: 0 24px; }
.section { padding: var(--section-py) 0; }
.section--tight { padding-top: calc(var(--section-py) * 0.5); padding-bottom: calc(var(--section-py) * 0.5); }
.section--alt { background: var(--bg-alt); }
.section--dark { background: var(--bg-strong); color: var(--ink-on-dark); }
.section--dark .eyebrow { color: var(--ink-5); }
.section--dark h1, .section--dark h2, .section--dark h3, .section--dark h4 { color: var(--ink-on-dark); }
.divider { height: 1px; background: var(--line); margin: 0; border: 0; }

/* Section header — eyebrow + heading + lead. */
.section-head { max-width: 720px; margin-bottom: var(--s-16); }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head .eyebrow { margin-bottom: var(--s-4); display: inline-block; }
.section-head h2 { margin-bottom: var(--s-4); }
.section-head .lead { margin: 0; max-width: 620px; }
.section-head--center .lead { margin-left: auto; margin-right: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 48px;
  padding: 0 24px;
  border-radius: 999px;
  font-family: var(--font-sans);
  font-size: var(--t-sm);
  font-weight: 500;
  letter-spacing: -0.005em;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn-icon { width: 16px; height: 16px; transition: transform var(--t-fast); }
.btn:hover .btn-icon { transform: translateX(2px); }
.btn-primary { background: var(--ink); color: var(--bg); }
.btn-primary:hover { background: #2a2a2a; }
.btn-secondary { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-secondary:hover { background: var(--ink); color: var(--bg); }
.btn-ghost { background: transparent; color: var(--ink); padding: 0 12px; }
.btn-ghost:hover { color: var(--ink-3); }
.btn-whatsapp { background: #128c7e; color: #ffffff; }
.btn-whatsapp:hover { background: #0f7a6e; }
.btn--sm { height: 38px; padding: 0 16px; font-size: var(--t-xs); }
.btn--lg { height: 56px; padding: 0 32px; font-size: var(--t-base); }

/* Underline link (premium hover) */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--t-sm);
  font-weight: 500;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  padding-bottom: 2px;
  transition: gap var(--t-fast), opacity var(--t-fast);
}
.link-arrow:hover { gap: 10px; opacity: 0.8; }
.link-arrow .lucide { width: 14px; height: 14px; }

/* ---------- Navbar ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-base-motion), background var(--t-base-motion);
}
.nav.is-scrolled { border-bottom-color: var(--line); }
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: var(--w-wide);
  margin: 0 auto;
  padding: 0 24px;
}
.nav-logo {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: var(--t-xl);
  letter-spacing: -0.01em;
  color: var(--ink);
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
}
.nav-logo .logo-sub {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: var(--t-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-4);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--s-8);
}
.nav-links a {
  font-size: var(--t-sm);
  color: var(--ink-2);
  font-weight: 500;
  transition: color var(--t-fast);
  position: relative;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.is-active { color: var(--ink); }
.nav-links a.is-active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -8px;
  height: 1px;
  background: var(--ink);
}
.nav-actions { display: flex; align-items: center; gap: var(--s-3); }
.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  align-items: center; justify-content: center;
  color: var(--ink);
}
.nav-mobile {
  display: none;
  position: absolute;
  top: 72px; left: 0; right: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  padding: var(--s-6) 24px var(--s-8);
}
.nav-mobile.is-open { display: block; }
.nav-mobile ul { display: flex; flex-direction: column; gap: var(--s-5); }
.nav-mobile a { font-family: var(--font-serif); font-size: var(--t-2xl); color: var(--ink); }

/* ---------- Hero ---------- */
.hero {
  padding: clamp(40px, 5.5vw, 80px) 0 clamp(64px, 10vw, 128px);
  background: var(--bg);
}
.hero-inner { max-width: var(--w-content); margin: 0 auto; padding: 0 24px; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--t-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: var(--s-8);
}
.hero-eyebrow::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--ink-3);
}
.hero-title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: var(--t-display);
  line-height: 1.02;
  letter-spacing: -0.025em;
  max-width: 14ch;
  margin-bottom: var(--s-8);
  color: var(--ink);
}
.hero-title em { font-style: italic; font-weight: 300; }
.hero-lead {
  font-size: clamp(1.125rem, 1.4vw, 1.375rem);
  line-height: 1.5;
  color: var(--ink-2);
  max-width: 56ch;
  margin-bottom: var(--s-10);
  font-weight: 400;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--s-3); margin-bottom: var(--s-16); }
.hero-credentials {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-8);
  padding-top: var(--s-8);
  border-top: 1px solid var(--line);
}
.hero-cred {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.hero-cred-label {
  font-size: var(--t-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-4);
  font-weight: 500;
}
.hero-cred-value {
  font-family: var(--font-serif);
  font-size: var(--t-xl);
  color: var(--ink);
  font-weight: 500;
  letter-spacing: -0.01em;
}

/* ---------- Stats strip ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0;
}
.stats > * {
  padding: var(--s-12) var(--s-6);
  border-right: 1px solid var(--line);
}
.stats > *:last-child { border-right: 0; }
.stat-value {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin-bottom: var(--s-3);
}
.stat-label {
  font-size: var(--t-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-4);
  font-weight: 500;
}

/* ---------- Divisions gallery — magazine style ---------- */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--s-12) var(--s-8);
}
.tile {
  display: flex;
  flex-direction: column;
  gap: var(--s-5);
  text-decoration: none;
  color: inherit;
  transition: transform var(--t-base-motion);
}
.tile:hover { transform: translateY(-4px); }
.tile-media {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--bg-soft);
  border-radius: 2px;
}
.tile-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--t-slow);
  filter: saturate(0.92);
}
.tile:hover .tile-media img { transform: scale(1.04); }
.tile-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(255, 255, 255, 0.95);
  color: var(--ink);
  font-size: var(--t-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 6px 10px;
  font-weight: 500;
}
.tile-tag--coming { background: rgba(12, 12, 12, 0.85); color: var(--bg); }
.tile-category {
  font-size: var(--t-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-4);
  font-weight: 500;
}
.tile-name {
  font-family: var(--font-serif);
  font-size: var(--t-3xl);
  font-weight: 500;
  letter-spacing: -0.018em;
  color: var(--ink);
  line-height: 1.15;
}
.tile-desc {
  font-size: var(--t-base);
  color: var(--ink-3);
  line-height: 1.55;
  margin: 0;
}
.tile-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--t-sm);
  color: var(--ink);
  font-weight: 500;
  margin-top: auto;
}
.tile-link::after {
  content: '→';
  transition: transform var(--t-fast);
}
.tile:hover .tile-link::after { transform: translateX(4px); }

/* ---------- Industries strip ---------- */
.industries {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.industry {
  padding: var(--s-8) var(--s-6);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  transition: background var(--t-fast);
  color: inherit;
}
.industry:hover { background: var(--bg-alt); }
.industry-num {
  font-family: var(--font-sans);
  font-size: var(--t-xs);
  letter-spacing: 0.14em;
  color: var(--ink-4);
  font-weight: 500;
}
.industry-name {
  font-family: var(--font-serif);
  font-size: var(--t-2xl);
  color: var(--ink);
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.2;
}
.industry-meta {
  font-size: var(--t-sm);
  color: var(--ink-3);
}

/* ---------- Why section — list of values ---------- */
.values {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--s-12) var(--s-10);
}
.value {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  padding-top: var(--s-6);
  border-top: 1px solid var(--ink);
}
.value-num {
  font-family: var(--font-serif);
  font-size: var(--t-2xl);
  color: var(--ink);
  font-weight: 400;
  letter-spacing: -0.01em;
}
.value-title {
  font-family: var(--font-serif);
  font-size: var(--t-xl);
  font-weight: 500;
  color: var(--ink);
}
.value-text {
  font-size: var(--t-base);
  color: var(--ink-3);
  line-height: 1.55;
  margin: 0;
}

/* ---------- FAQ ---------- */
.faq {
  border-top: 1px solid var(--ink);
  max-width: var(--w-prose);
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--line);
}
.faq-item summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--s-6) 0;
  cursor: pointer;
  font-family: var(--font-serif);
  font-size: var(--t-xl);
  color: var(--ink);
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: color var(--t-fast);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--ink-2); }
.faq-item summary::after {
  content: '+';
  font-family: var(--font-sans);
  font-size: var(--t-2xl);
  font-weight: 300;
  color: var(--ink-3);
  transition: transform var(--t-base-motion);
  line-height: 1;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p {
  padding: 0 0 var(--s-6);
  color: var(--ink-3);
  font-size: var(--t-base);
  line-height: 1.65;
  max-width: 64ch;
}
.faq-item a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }

/* ---------- CTA block ---------- */
.cta-block {
  background: var(--bg-strong);
  color: var(--ink-on-dark);
  padding: clamp(72px, 11vw, 144px) 0;
}
.cta-block h2 {
  color: var(--ink-on-dark);
  font-size: var(--t-5xl);
  max-width: 16ch;
  margin-bottom: var(--s-6);
}
.cta-block .lead { color: var(--ink-5); max-width: 56ch; margin-bottom: var(--s-10); }
.cta-channels {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1px;
  background: rgba(255, 255, 255, 0.1);
  margin-bottom: var(--s-10);
}
.cta-channel {
  background: var(--bg-strong);
  padding: var(--s-6) var(--s-5);
  display: flex;
  align-items: center;
  gap: var(--s-4);
  color: var(--ink-on-dark);
  transition: background var(--t-fast);
}
.cta-channel:hover { background: #1a1a1a; }
.cta-channel-icon { width: 24px; height: 24px; flex-shrink: 0; color: var(--ink-5); }
.cta-channel-label {
  font-size: var(--t-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-5);
  margin-bottom: 4px;
}
.cta-channel-value { font-family: var(--font-serif); font-size: var(--t-lg); color: var(--ink-on-dark); }
.cta-block .btn-primary { background: var(--bg); color: var(--ink); }
.cta-block .btn-primary:hover { background: #ededed; }
.cta-block .btn-secondary { color: var(--ink-on-dark); border-color: rgba(255,255,255,0.4); }
.cta-block .btn-secondary:hover { background: var(--ink-on-dark); color: var(--ink); }

/* ---------- Footer ---------- */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--line);
  padding: var(--s-20) 0 var(--s-10);
}
.footer-inner { max-width: var(--w-wide); margin: 0 auto; padding: 0 24px; }
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: var(--s-12);
  padding-bottom: var(--s-16);
  border-bottom: 1px solid var(--line);
}
.footer-brand { max-width: 320px; }
.footer-brand .nav-logo { margin-bottom: var(--s-4); display: inline-flex; }
.footer-brand p {
  font-size: var(--t-sm);
  color: var(--ink-3);
  line-height: 1.6;
  margin: 0 0 var(--s-5);
}
.footer-slogan {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: var(--t-base) !important;
  color: var(--ink-2) !important;
  letter-spacing: -0.005em;
  border-left: 2px solid var(--ink);
  padding-left: 14px;
  margin-bottom: var(--s-6) !important;
}

.nav-logo-img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  flex-shrink: 0;
  align-self: center;
}
.footer-brand .nav-logo-img { width: 44px; height: 44px; }
@media (max-width: 720px) {
  .nav-logo-img { width: 30px; height: 30px; }
}

/* Full brand lockup — replaces the BIDUA + Industries text combo. */
.nav-logo--image { display: inline-flex; align-items: center; }
.nav-logo-lockup {
  height: 42px;
  width: auto;
  object-fit: contain;
  display: block;
}
.footer-brand .nav-logo-lockup { height: 56px; }
@media (max-width: 720px) {
  .nav-logo-lockup { height: 34px; }
  .footer-brand .nav-logo-lockup { height: 44px; }
}
.footer-col h5 {
  font-family: var(--font-sans);
  font-size: var(--t-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin: 0 0 var(--s-5);
  font-weight: 500;
}
.footer-col ul li { margin-bottom: var(--s-3); font-size: var(--t-sm); }
.footer-col ul a { color: var(--ink-2); }
.footer-col ul a:hover { color: var(--ink); }
.footer-contact { display: flex; flex-direction: column; gap: var(--s-3); }
.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: var(--s-3);
  font-size: var(--t-sm);
  color: var(--ink-3);
  line-height: 1.5;
}
.footer-contact .lucide { flex-shrink: 0; width: 14px; height: 14px; margin-top: 4px; color: var(--ink-4); }
.footer-contact a { color: var(--ink-2); }
.footer-contact a:hover { color: var(--ink); }

.footer-socials { display: flex; gap: var(--s-3); margin-top: var(--s-5); }
.footer-socials a {
  width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink-2);
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}
.footer-socials a:hover { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.footer-socials .lucide { width: 14px; height: 14px; }

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-6) var(--s-10);
  padding-top: var(--s-8);
  margin-top: var(--s-8);
  border-top: 1px solid var(--line);
  font-size: var(--t-xs);
  color: var(--ink-4);
  letter-spacing: 0.04em;
}
.footer-legal strong { color: var(--ink-3); font-weight: 600; margin-right: 4px; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--s-6);
  font-size: var(--t-xs);
  color: var(--ink-4);
}

/* ---------- 404 ---------- */
.error-screen {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--s-16) 24px;
}
.error-screen .display {
  font-family: var(--font-serif);
  font-size: clamp(6rem, 16vw, 12rem);
  line-height: 0.95;
  color: var(--ink);
  margin-bottom: var(--s-6);
  letter-spacing: -0.04em;
  font-weight: 400;
}

/* ---------- Forms ---------- */
.field { display: flex; flex-direction: column; gap: var(--s-2); margin-bottom: var(--s-5); }
.field label {
  font-size: var(--t-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-4);
  font-weight: 500;
}
.field input, .field textarea, .field select {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--bg);
  color: var(--ink);
  font-size: var(--t-base);
  transition: border-color var(--t-fast);
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-color: var(--ink);
}
.field textarea { resize: vertical; min-height: 140px; line-height: 1.55; }

/* ---------- Reveal animations (subtle) ---------- */
.reveal-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 800ms cubic-bezier(0.4, 0, 0.2, 1), transform 800ms cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal-up.in-view {
  opacity: 1;
  transform: translateY(0);
}
.reveal-up.delay-1 { transition-delay: 80ms; }
.reveal-up.delay-2 { transition-delay: 160ms; }
.reveal-up.delay-3 { transition-delay: 240ms; }
.reveal-up.delay-4 { transition-delay: 320ms; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .gallery { gap: var(--s-10) var(--s-6); }
  .cta-block h2 { font-size: var(--t-4xl); }
}

@media (max-width: 880px) {
  .footer-top { grid-template-columns: 1fr 1fr; gap: var(--s-10); }
  .footer-brand { grid-column: 1 / -1; max-width: none; }
  .industries { grid-template-columns: repeat(2, 1fr); }
  .values { gap: var(--s-10) var(--s-6); }
}

@media (max-width: 720px) {
  :root { --section-py: clamp(56px, 12vw, 96px); }
  .container, .container-narrow, .container-prose, .container-wide { padding: 0 20px; }
  .nav-inner { height: 60px; padding: 0 20px; }
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav-actions .btn { display: none; }
  .nav-mobile { top: 60px; }
  .hero { padding-top: clamp(28px, 6vw, 48px); padding-bottom: clamp(48px, 10vw, 80px); }
  .hero-title { font-size: clamp(2.5rem, 9vw, 4rem); }
  .hero-lead { font-size: 1.0625rem; }
  .hero-credentials { gap: var(--s-5) var(--s-8); padding-top: var(--s-6); }
  .hero-actions { gap: var(--s-2); }
  .hero-actions .btn { flex: 1 1 auto; justify-content: center; }
  .section-head { margin-bottom: var(--s-10); }
  .gallery { grid-template-columns: 1fr 1fr; gap: var(--s-8) var(--s-5); }
  .tile-name { font-size: 1.5rem; }
  .tile-desc { font-size: 0.9375rem; }
  .industries { grid-template-columns: 1fr 1fr; }
  .industry { padding: var(--s-6) var(--s-4); }
  .industry-name { font-size: 1.125rem; }
  .values { grid-template-columns: 1fr; gap: var(--s-8); }
  .faq-item summary { font-size: 1.125rem; padding: var(--s-5) 0; }
  .faq-item p { font-size: 0.9375rem; }
  .cta-channels { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: var(--s-10); padding-bottom: var(--s-10); }
  .footer-bottom { flex-direction: column; gap: var(--s-3); align-items: flex-start; text-align: left; }
  .footer-legal { gap: var(--s-3) var(--s-6); }
}

@media (max-width: 520px) {
  .hero-title { font-size: clamp(2.25rem, 11vw, 3rem); letter-spacing: -0.02em; }
  .hero-lead { font-size: 1rem; line-height: 1.5; }
  .hero-eyebrow { font-size: 0.6875rem; margin-bottom: var(--s-5); }
  h2, .h2 { font-size: var(--t-3xl); }
  h3, .h3 { font-size: var(--t-2xl); }
  .gallery { grid-template-columns: 1fr; gap: var(--s-8); }
  .tile-media { aspect-ratio: 16 / 11; }
  .industries { grid-template-columns: 1fr; }
  .industry { padding: var(--s-5) var(--s-4); }
  .stats { grid-template-columns: 1fr 1fr; }
  .stats > * { padding: var(--s-6) var(--s-3); border-right: 0; }
  .stats > *:nth-child(odd) { border-right: 1px solid var(--line); }
  .stats > *:nth-last-child(-n+2) { border-bottom: 0; }
  .stat-value { font-size: 2.25rem; }
  .cta-block h2 { font-size: var(--t-3xl); }
  .btn { height: 44px; font-size: 0.875rem; padding: 0 18px; }
  .hero-actions .btn { width: 100%; }
  .footer-socials { flex-wrap: wrap; }
  .error-screen .display { font-size: clamp(5rem, 22vw, 8rem); }
}

/* Touch device — turn off hover transforms that feel sticky on mobile. */
@media (hover: none) and (pointer: coarse) {
  .tile:hover { transform: none; }
  .tile:hover .tile-media img { transform: none; }
}

/* Prefers-reduced-motion — disable all animations. */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal-up { opacity: 1; transform: none; }
}

/* iOS safe-area — respect the notch / home indicator. */
@supports (padding: max(0px)) {
  .container, .container-narrow, .container-prose, .container-wide,
  .nav-inner, .footer-inner {
    padding-left: max(20px, env(safe-area-inset-left));
    padding-right: max(20px, env(safe-area-inset-right));
  }
}

/* ---------- Hide legacy bits (preloader / cursor / particles) ---------- */
#preloader,
.cursor-dot,
.cursor-ring,
#particle-canvas { display: none !important; }

/* ============================================================
   IDEA DETAIL PAGE — magazine-style components.
   ============================================================ */

.hero--article .hero-title { font-size: clamp(2.5rem, 6.5vw, 5rem); }

/* Eyebrow with leading icon */
.eyebrow--with-ic {
  display: inline-flex !important;
  align-items: center;
  gap: 8px;
  color: var(--ink-3);
}
.eyebrow--with-ic .ic { color: var(--ink); flex-shrink: 0; }

/* Full-bleed cover image right under hero */
.cover-image {
  margin: 0 auto var(--s-16);
  max-width: var(--w-wide);
  padding: 0 24px;
}
.cover-image img {
  width: 100%;
  height: clamp(280px, 48vw, 560px);
  object-fit: cover;
  border-radius: 4px;
  filter: saturate(0.92);
}

/* Quick stat strip */
.quick-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--line);
}
.quick-stat {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: var(--s-8) var(--s-5);
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}
.quick-stat-value {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.6vw, 2.75rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1;
}
.quick-stat-label {
  font-size: var(--t-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-4);
  font-weight: 500;
}

/* Pull quote */
.pull-quote {
  position: relative;
  margin: 0;
  padding: var(--s-8) 0 var(--s-8) var(--s-12);
  border-left: 2px solid var(--ink);
}
.pull-quote p {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.35;
  color: var(--ink);
  letter-spacing: -0.015em;
  margin: 0;
  max-width: 32ch;
}
.pull-quote-mark {
  position: absolute;
  top: -8px;
  left: var(--s-6);
  font-family: var(--font-serif);
  font-size: 6rem;
  line-height: 1;
  color: var(--ink-5);
  user-select: none;
}

/* Inline image (within sections) */
.inline-image {
  margin: 0 0 var(--s-12);
  border-radius: 4px;
  overflow: hidden;
}
.inline-image img {
  width: 100%;
  height: clamp(220px, 32vw, 420px);
  object-fit: cover;
  filter: saturate(0.92);
}

/* Closing image — full-bleed before CTA */
.closing-image {
  margin: 0;
  width: 100%;
}
.closing-image img {
  width: 100%;
  height: clamp(220px, 36vw, 440px);
  object-fit: cover;
  filter: saturate(0.92);
}

@media (max-width: 720px) {
  .cover-image img { height: 240px; }
  .quick-stat { padding: var(--s-6) var(--s-4); }
  .pull-quote { padding-left: var(--s-6); }
  .pull-quote-mark { left: var(--s-3); font-size: 4rem; }
  .inline-image img { height: 220px; }
}

.article p { font-size: 1.0625rem; line-height: 1.75; color: var(--ink-2); margin-bottom: var(--s-5); }
.article p.lead { font-size: clamp(1.125rem, 1.75vw, 1.375rem); color: var(--ink); line-height: 1.55; }
.article strong { color: var(--ink); font-weight: 600; }

/* Market opportunity rings */
.market-rings {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-bottom: var(--s-10);
}
.market-ring {
  background: var(--bg-alt);
  padding: var(--s-10) var(--s-6);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}
.market-ring-label {
  font-family: var(--font-sans);
  font-size: var(--t-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-4);
  font-weight: 500;
}
.market-ring-value {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1.05;
}
.market-ring-meta {
  font-size: var(--t-sm);
  color: var(--ink-3);
  line-height: 1.55;
}
.market-anchors {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
}
.market-anchors li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: var(--t-base);
  color: var(--ink-2);
  line-height: 1.55;
}
.market-anchors li .ic { flex-shrink: 0; margin-top: 5px; color: var(--ink-4); }

/* Business model stack — numbered rows */
.model-stack {
  display: flex;
  flex-direction: column;
}
.model-row {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--s-8);
  padding: var(--s-8) 0;
  border-top: 1px solid var(--line);
}
.model-row:last-child { border-bottom: 1px solid var(--line); }
.model-row-num {
  font-family: var(--font-serif);
  font-size: var(--t-3xl);
  color: var(--ink-4);
  font-weight: 400;
  letter-spacing: -0.01em;
}
.model-row-body h3 {
  font-size: var(--t-2xl);
  margin-bottom: var(--s-3);
}
.model-row-body p {
  font-size: var(--t-base);
  color: var(--ink-3);
  line-height: 1.65;
  max-width: 60ch;
}

/* Revenue phases */
.phases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.phase {
  background: var(--bg);
  padding: var(--s-8) var(--s-6);
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
}
.phase-when {
  font-size: var(--t-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-4);
  font-weight: 500;
}
.phase-focus {
  font-family: var(--font-serif);
  font-size: var(--t-2xl);
  font-weight: 500;
  color: var(--ink);
  margin: 0;
}
.phase-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}
.phase-list li {
  position: relative;
  padding-left: 18px;
  font-size: var(--t-sm);
  color: var(--ink-3);
  line-height: 1.5;
}
.phase-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 1px;
  background: var(--ink-3);
}

/* Timeline */
.timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  border-left: 1px solid var(--ink);
  max-width: 720px;
}
.timeline-item {
  position: relative;
  padding: 0 0 var(--s-10) var(--s-8);
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--ink);
}
.timeline-when {
  font-family: var(--font-sans);
  font-size: var(--t-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-4);
  font-weight: 500;
  margin-bottom: var(--s-2);
}
.timeline-what {
  font-family: var(--font-serif);
  font-size: var(--t-xl);
  color: var(--ink);
  line-height: 1.4;
  letter-spacing: -0.01em;
}

/* Differentiation list */
.differentiation-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
}
.differentiation-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: var(--t-base);
  color: var(--ink-2);
  line-height: 1.6;
}
.differentiation-list li .ic { flex-shrink: 0; margin-top: 4px; color: var(--ink); }

/* Risks */
.risks {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--s-8);
}
.risk {
  border: 1px solid var(--line);
  padding: var(--s-6);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}
.risk-label {
  font-size: var(--t-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-4);
  font-weight: 500;
}
.risk-name {
  font-family: var(--font-serif);
  font-size: var(--t-xl);
  color: var(--ink);
  font-weight: 500;
  margin: 0;
}
.risk-mitigation {
  font-size: var(--t-sm);
  color: var(--ink-3);
  line-height: 1.6;
  margin: 0;
}
.risk-mitigation strong { color: var(--ink-2); font-weight: 600; }

@media (max-width: 720px) {
  .market-rings, .phases { grid-template-columns: 1fr; }
  .model-row { grid-template-columns: 1fr; gap: var(--s-3); padding: var(--s-6) 0; }
  .model-row-num { font-size: var(--t-2xl); }
  .timeline { margin-left: 8px; }
  .risks { grid-template-columns: 1fr; }
}

/* ============================================================
   IDEAS PAGE — override the legacy dark-theme ideas.css with our
   light minimalist palette so cards are readable on white.
   ============================================================ */
.page-ideas .idea-card {
  background: var(--bg) !important;
  border: 1px solid var(--line) !important;
  border-radius: 4px !important;
  box-shadow: none !important;
}
.page-ideas .idea-card:hover {
  background: var(--bg) !important;
  border-color: var(--ink) !important;
  box-shadow: 0 8px 32px rgba(0,0,0,0.06) !important;
  transform: translateY(-2px);
}
.page-ideas .idea-card-title {
  font-family: var(--font-serif) !important;
  color: var(--ink) !important;
  font-weight: 500 !important;
  letter-spacing: -0.015em !important;
}
.page-ideas .idea-card:hover .idea-card-title { color: var(--ink) !important; }
.page-ideas .idea-card-desc { color: var(--ink-3) !important; }
.page-ideas .idea-card-cat { color: var(--ink-4) !important; }
.page-ideas .idea-card-num { color: var(--ink-4) !important; }
.page-ideas .ideas-group-name { color: var(--ink) !important; font-family: var(--font-serif) !important; }
.page-ideas .ideas-group-count { color: var(--ink-3) !important; }
.page-ideas .ideas-group-count-num { color: var(--ink) !important; }
.page-ideas .ideas-category-btn {
  background: var(--bg) !important;
  border: 1px solid var(--line) !important;
  border-radius: 4px !important;
  color: var(--ink-2) !important;
}
.page-ideas .ideas-category-btn:hover { background: var(--bg-alt) !important; border-color: var(--ink) !important; }
.page-ideas .ideas-category-btn-name { color: var(--ink) !important; }
.page-ideas .ideas-category-btn-count { color: var(--ink-3) !important; }
.page-ideas .ideas-filter-box {
  background: var(--bg) !important;
  border: 1px solid var(--line) !important;
  border-radius: 4px !important;
}
.page-ideas .ideas-search-input {
  background: var(--bg) !important;
  border: 1px solid var(--line) !important;
  color: var(--ink) !important;
  border-radius: 4px !important;
}
.page-ideas .ideas-search-icon { color: var(--ink-4) !important; }
.page-ideas .ideas-spill {
  background: var(--bg) !important;
  border: 1px solid var(--line) !important;
  color: var(--ink-2) !important;
}
.page-ideas .ideas-spill.active { background: var(--ink) !important; color: var(--bg) !important; border-color: var(--ink) !important; }
.page-ideas .ideas-cat-select {
  background: var(--bg) !important;
  border: 1px solid var(--line) !important;
  color: var(--ink) !important;
  border-radius: 4px !important;
}
.page-ideas .ideas-showing { color: var(--ink-3) !important; }
.page-ideas .ideas-showing strong { color: var(--ink) !important; }
.page-ideas .ideas-noresults { color: var(--ink-3) !important; }
.page-ideas .ideas-stat-num { color: var(--ink) !important; }
.page-ideas .ideas-stat-label { color: var(--ink-4) !important; }
.page-ideas .idea-card-link,
.page-ideas .idea-card-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--t-sm);
  font-weight: 500;
  color: var(--ink);
  margin-top: 12px;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 2px;
  align-self: flex-start;
}

/* ---------- Marquee (kept, restyled) ---------- */
.marquee-section {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: var(--s-5) 0;
  overflow: hidden;
}
.marquee-track {
  display: flex;
  gap: var(--s-12);
  animation: marquee 45s linear infinite;
  white-space: nowrap;
}
.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: var(--s-6);
  font-family: var(--font-sans);
  font-size: var(--t-sm);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 500;
}
.marquee-item span {
  display: inline-block;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--ink-4);
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- PWA banner hidden until we restyle ---------- */
.pwa-install-banner { display: none !important; }

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-auto { margin-top: auto; }
.no-wrap { white-space: nowrap; }
.muted { color: var(--ink-3); }
.divider-strong { border-top: 1px solid var(--ink); }