/* ==========================================================================
   ARUNTITO.COM — EDITORIAL CRAFTSMANSHIP × TECHNICAL PRECISION
   Aesthetic: Bespoke Digital Broadsheet, Precision Asymmetric Layouts
   ========================================================================== */

:root {
  color-scheme: light;

  /* Surfaces & Canvas */
  --bg-page: #FBFBFA;
  --bg-surface: #FFFFFF;
  --bg-subtle: #F3F2EE;
  --bg-dark: #111111;
  --bg-dark-surface: #191919;

  /* Ink & Typography */
  --ink-primary: #111111;
  --ink-secondary: #4A4844;
  --ink-muted: #797670;
  --ink-subtle: #A3A09A;

  --ink-light-primary: #FBFBFA;
  --ink-light-secondary: #B5B2AC;
  --ink-light-muted: #807E78;

  /* Technical Cobalt Accent */
  --accent: #0A58CA;
  --accent-hover: #084298;
  --accent-soft: rgba(10, 88, 202, 0.08);

  /* Status Colors */
  --status-active: #0D8240;
  --status-pending: #B46900;

  /* Borders & Rules */
  --rule-hairline: rgba(17, 17, 17, 0.09);
  --rule-crisp: #E2E0D8;
  --rule-strong: #C9C6BD;

  /* Layout Containers */
  --site-width: 1220px;
  --reading-width: 720px;
  --nav-height: 64px;

  /* Font Families */
  --font-serif: "Newsreader", "Charter", "Iowan Old Style", "Georgia", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Inter", sans-serif;
  --font-mono: "SF Mono", "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;

  /* Easing */
  --ease-editorial: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 150ms;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 24px);
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg-page);
  color: var(--ink-primary);
  font-family: var(--font-sans);
  letter-spacing: -0.011em;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: #E0E8F5;
  color: var(--accent);
}

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

.skip-link {
  position: absolute;
  top: -80px;
  left: 20px;
  background: var(--ink-primary);
  color: #FFFFFF;
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 600;
  z-index: 1000;
  transition: top var(--duration-fast) ease;
  text-decoration: none;
}
.skip-link:focus { top: 16px; }

/* ==========================================================================
   NAVIGATION BAR
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 251, 250, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--rule-crisp);
}

.header-container {
  max-width: var(--site-width);
  height: var(--nav-height);
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-anchor {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-glyph {
  width: 26px;
  height: 26px;
  background: var(--ink-primary);
  color: #FFFFFF;
  font-weight: 750;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
}

.brand-name {
  font-size: 16px;
  font-weight: 650;
  letter-spacing: -0.03em;
  color: var(--ink-primary);
}

.brand-dot { color: var(--accent); }

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink-secondary);
  text-decoration: none;
  transition: color var(--duration-fast) ease;
  position: relative;
  padding: 6px 0;
}

.nav-link:hover { color: var(--ink-primary); }

.nav-link.active {
  color: var(--accent);
  font-weight: 600;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
}

.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--rule-crisp);
  border-radius: 4px;
  padding: 6px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  cursor: pointer;
}

.mobile-nav {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-page);
  padding: 24px 32px;
  flex-direction: column;
  gap: 16px;
  z-index: 99;
  border-bottom: 1px solid var(--rule-crisp);
}
.mobile-nav.is-open { display: flex; }
.mobile-nav .nav-link { font-size: 20px; font-weight: 600; padding: 10px 0; border-bottom: 1px solid var(--rule-hairline); }

/* ==========================================================================
   BUTTONS & TYPOGRAPHIC PRIMITIVES
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 4px;
  font-size: 13.5px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--duration-fast) ease;
}

.btn-primary {
  background: var(--ink-primary);
  color: #FFFFFF;
  border: 1px solid transparent;
}
.btn-primary:hover {
  background: #000000;
  box-shadow: 0 4px 12px rgba(0,0,0,0.12);
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--ink-primary);
  border: 1px solid var(--rule-crisp);
}
.btn-secondary:hover {
  border-color: var(--rule-strong);
  background: #FFFFFF;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--accent);
  font-weight: 600;
  font-size: 13.5px;
  text-decoration: none;
  transition: color var(--duration-fast) ease;
}
.text-link:hover {
  color: var(--accent-hover);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 12px;
}

.section {
  max-width: var(--site-width);
  margin: 0 auto;
  padding: 64px 32px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--rule-crisp);
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3.6vw, 42px);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.15;
  color: var(--ink-primary);
}

.section-intro {
  max-width: 480px;
  font-size: 14.5px;
  color: var(--ink-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   HOMEPAGE: ASYMMETRIC BROADSHEET HERO
   ========================================================================== */
.hero-broadsheet {
  max-width: var(--site-width);
  margin: 0 auto;
  padding: 64px 32px 56px;
  border-bottom: 1px solid var(--rule-crisp);
}

.hero-editorial-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 56px;
  align-items: start;
}

.hero-main-title {
  font-family: var(--font-serif);
  font-size: clamp(48px, 6.8vw, 84px);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 0.98;
  color: var(--ink-primary);
  margin: 12px 0 24px;
}

.hero-main-title em {
  font-style: italic;
  font-weight: 300;
}

.hero-main-lead {
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.6;
  color: var(--ink-secondary);
  margin-bottom: 32px;
  max-width: 660px;
}

.hero-actions-bar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-dispatch-dossier {
  border: 1px solid var(--rule-crisp);
  background: var(--bg-surface);
  border-radius: 4px;
  padding: 28px;
}

.dossier-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--rule-crisp);
  margin-bottom: 18px;
}

.dossier-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
}

.dossier-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--status-active);
}

.dossier-status::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--status-active);
}

.dossier-row {
  margin-bottom: 16px;
}

.dossier-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  text-transform: uppercase;
  color: var(--ink-muted);
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}

.dossier-value {
  font-size: 14px;
  color: var(--ink-primary);
  line-height: 1.5;
}

/* ==========================================================================
   VENTURES: ASYMMETRIC CATALOG (NO REPETITIVE CARDS)
   ========================================================================== */
.ventures-editorial-catalog {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 32px;
  margin-top: 32px;
}

/* Featured Anchor Venture: DOOB */
.venture-lead-feature {
  background: var(--bg-surface);
  border: 1px solid var(--rule-crisp);
  border-radius: 4px;
  padding: 44px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.venture-lead-feature .venture-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.venture-lead-feature h3 {
  font-family: var(--font-serif);
  font-size: 40px;
  font-weight: 400;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}

.venture-lead-feature .tagline {
  font-size: 17px;
  color: var(--ink-secondary);
  line-height: 1.5;
  margin-bottom: 24px;
}

.venture-lead-feature .body-copy {
  font-size: 14.5px;
  color: var(--ink-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}

.venture-lead-feature .feature-footer {
  padding-top: 24px;
  border-top: 1px solid var(--rule-crisp);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Secondary Ventures Compact List */
.ventures-roster {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.venture-roster-entry {
  background: var(--bg-surface);
  border: 1px solid var(--rule-crisp);
  border-radius: 4px;
  padding: 24px 28px;
  transition: all var(--duration-fast) ease;
}

.venture-roster-entry:hover {
  border-color: var(--rule-strong);
}

.entry-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.entry-name {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 400;
  letter-spacing: -0.02em;
}

.status-badge-compact {
  font-family: var(--font-mono);
  font-size: 10.5px;
  text-transform: uppercase;
  padding: 2px 8px;
  border: 1px solid var(--rule-crisp);
  border-radius: 3px;
  color: var(--ink-muted);
}

.entry-tagline {
  font-size: 13.5px;
  color: var(--ink-secondary);
  line-height: 1.55;
  margin-bottom: 14px;
}

.entry-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-muted);
}

/* ==========================================================================
   KNOWLEDGE PUBLICATION: BESPOKE EDITORIAL TABLE
   ========================================================================== */
.publication-ledger {
  border: 1px solid var(--rule-crisp);
  background: var(--bg-surface);
  border-radius: 4px;
  margin-top: 24px;
}

.ledger-item {
  display: grid;
  grid-template-columns: 180px 1fr auto;
  gap: 32px;
  align-items: center;
  padding: 28px 32px;
  border-bottom: 1px solid var(--rule-crisp);
  text-decoration: none;
  color: inherit;
  transition: background var(--duration-fast) ease;
}

.ledger-item:last-child {
  border-bottom: none;
}

.ledger-item:hover {
  background: var(--bg-subtle);
}

.ledger-meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-muted);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ledger-meta .topic {
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
}

.ledger-title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin-bottom: 4px;
}

.ledger-summary {
  font-size: 14px;
  color: var(--ink-secondary);
  line-height: 1.6;
}

.ledger-action {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--accent);
  white-space: nowrap;
}

/* ==========================================================================
   TECHNICAL CAPABILITIES: 3-COLUMN EDITORIAL STRIP
   ========================================================================== */
.capability-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 32px;
}

.capability-block {
  padding-right: 16px;
  border-right: 1px solid var(--rule-crisp);
}

.capability-block:last-child {
  border-right: none;
  padding-right: 0;
}

.capability-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-muted);
  margin-bottom: 8px;
}

.capability-title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 400;
  margin-bottom: 10px;
}

.capability-desc {
  font-size: 14px;
  color: var(--ink-secondary);
  line-height: 1.65;
  margin-bottom: 16px;
}

.capability-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.cap-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 3px 8px;
  background: var(--bg-subtle);
  border: 1px solid var(--rule-crisp);
  border-radius: 3px;
  color: var(--ink-secondary);
}

/* ==========================================================================
   ABOUT STATEMENT: EDITORIAL ESSAY PROSE
   ========================================================================== */
.about-statement-strip {
  background: var(--bg-subtle);
  border: 1px solid var(--rule-crisp);
  border-radius: 4px;
  padding: 48px;
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 48px;
  align-items: center;
}

.about-statement-strip h2 {
  font-family: var(--font-serif);
  font-size: clamp(34px, 4.5vw, 54px);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.about-statement-strip p {
  font-size: 16.5px;
  color: var(--ink-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

/* ==========================================================================
   ARTICLE READING VIEW
   ========================================================================== */
.article-reading-view {
  max-width: var(--reading-width);
  margin: 0 auto;
  padding: 56px 20px 96px;
}

.article-header {
  margin-bottom: 40px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--rule-crisp);
}

.article-title {
  font-family: var(--font-serif);
  font-size: clamp(36px, 5.2vw, 56px);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.1;
  color: var(--ink-primary);
  margin: 16px 0 20px;
}

.article-deck {
  font-size: clamp(17px, 2.2vw, 21px);
  line-height: 1.6;
  color: var(--ink-secondary);
  margin-bottom: 24px;
}

.article-prose {
  font-family: var(--font-serif);
  font-size: 19px;
  line-height: 1.8;
  color: #222222;
}

.article-prose p { margin-bottom: 24px; }
.article-prose h2 { font-family: var(--font-sans); font-size: 24px; font-weight: 700; margin: 44px 0 16px; }
.article-prose h3 { font-family: var(--font-sans); font-size: 18.5px; font-weight: 650; margin: 32px 0 12px; }
.article-prose ul { font-family: var(--font-sans); font-size: 16px; padding-left: 20px; margin-bottom: 24px; }
.article-prose li { margin-bottom: 8px; }

/* ==========================================================================
   SECONDARY PAGES: EDITORIAL CONTAINERS & MATRICES
   ========================================================================== */
.editorial-headline {
  font-family: var(--font-serif);
  font-size: clamp(36px, 5.2vw, 64px);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.08;
  color: var(--ink-primary);
  margin-bottom: 16px;
}

.identity-badge {
  background: var(--bg-surface);
  border: 1px solid var(--rule-crisp);
  border-left: 3px solid var(--accent);
  padding: 16px 20px;
  border-radius: 4px;
  font-size: 13.5px;
  color: var(--ink-secondary);
  line-height: 1.6;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
}

.status-indicator {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--rule-strong);
}
.status-indicator.active { background: var(--status-active); }
.status-indicator.pending { background: var(--status-pending); }

.technical-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.technical-box {
  background: var(--bg-surface);
  border: 1px solid var(--rule-crisp);
  border-radius: 4px;
  padding: 32px;
}

.technical-box h2, .technical-box h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 400;
  margin-bottom: 12px;
  color: var(--ink-primary);
}

.technical-box p {
  font-size: 14.5px;
  color: var(--ink-secondary);
  line-height: 1.65;
  margin-bottom: 16px;
}

.tech-tag-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 9px;
  background: var(--bg-subtle);
  border: 1px solid var(--rule-crisp);
  border-radius: 3px;
  color: var(--ink-secondary);
}

/* ==========================================================================
   SITE FOOTER: REFINED REGISTER
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--rule-crisp);
  background: var(--bg-subtle);
  padding: 56px 32px 40px;
  margin-top: 80px;
}

.footer-grid {
  max-width: var(--site-width);
  margin: 0 auto 40px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-muted);
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 13.5px;
  color: var(--ink-secondary);
  text-decoration: none;
}
.footer-links a:hover { color: var(--ink-primary); }

.footer-bottom {
  max-width: var(--site-width);
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid var(--rule-crisp);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 12.5px;
  color: var(--ink-muted);
}

/* ==========================================================================
   MOBILE & RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 980px) {
  .hero-editorial-grid { grid-template-columns: 1fr; gap: 36px; }
  .ventures-editorial-catalog { grid-template-columns: 1fr; }
  .capability-strip { grid-template-columns: 1fr; gap: 32px; }
  .capability-block { border-right: none; padding-right: 0; border-bottom: 1px solid var(--rule-crisp); padding-bottom: 24px; }
  .about-statement-strip { grid-template-columns: 1fr; gap: 24px; padding: 32px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .nav-desktop { display: none; }
  .menu-toggle { display: block; }
  .section { padding: 40px 20px; }
  .hero-broadsheet { padding: 48px 20px 40px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 12px; }
  .ledger-item { grid-template-columns: 1fr; gap: 12px; padding: 20px; }
  .venture-lead-feature { padding: 28px 20px; }
  .entry-bottom { flex-wrap: wrap; gap: 8px; }
  .feature-footer { flex-direction: column; align-items: flex-start; gap: 16px; }
}