@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;700;800&display=swap');

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

:root {
  --bg:         #0D0D0D;
  --surface:    #161616;
  --border:     #222222;
  --border-mid: #333333;
  --teal:       #00C2A8;
  --teal-light: #00E5CA;
  --text:       #F5F5F5;
  --muted:      #888888;
  --dim:        #555555;
  /* paper palette */
  --paper-bg:   #F8F6F1;
  --paper-text: #1A1A1A;
  --paper-muted:#555555;
  --paper-dim:  #888888;
  --paper-border:#DDDBD5;
  --paper-teal: #007A6B;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-weight: 300;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ── SHARED NAV ── */

nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem 3rem;
  background: rgba(13,13,13,.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo { display: inline-flex; align-items: center; text-decoration: none; }
.nav-logo img { height: 38px; width: auto; display: block; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-size: .82rem;
  color: var(--muted);
  text-decoration: none;
  transition: color .2s;
}
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--teal); }

.btn-teal {
  background: var(--teal);
  color: #000;
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: .82rem;
  padding: .5rem 1.1rem;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: background .2s;
  text-decoration: none;
  display: inline-block;
}
.btn-teal:hover { background: var(--teal-light); }

/* ── PAPER WRAPPER ── */

.paper-page {
  background: var(--paper-bg);
  min-height: calc(100vh - 60px);
}

/* ── PAPER HERO ── */

.paper-hero {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 4rem 3rem 3.5rem;
}

.paper-hero-inner {
  max-width: 780px;
  margin: 0 auto;
}

.paper-breadcrumb {
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}

.paper-breadcrumb a {
  color: var(--dim);
  text-decoration: none;
  transition: color .2s;
}
.paper-breadcrumb a:hover { color: var(--teal); }
.paper-breadcrumb span { color: var(--dim); }

.paper-hero h1 {
  font-family: 'Inter', sans-serif;
  font-weight: 800;
  font-size: clamp(32px, 5vw, 52px);
  letter-spacing: -.03em;
  color: var(--text);
  line-height: 1.05;
  margin-bottom: 1rem;
}

.paper-hero-meta {
  font-size: .78rem;
  color: var(--dim);
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

/* ── PAPER BODY ── */

.paper-body {
  max-width: 780px;
  margin: 0 auto;
  padding: 3.5rem 3rem 6rem;
}

.paper-body p {
  font-size: .96rem;
  color: var(--paper-text);
  line-height: 1.85;
  margin-bottom: 1.4rem;
}

.paper-body h2 {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--paper-text);
  letter-spacing: -.02em;
  margin: 2.5rem 0 .85rem;
  padding-top: 2rem;
  border-top: 1px solid var(--paper-border);
}

.paper-body h2:first-child { border-top: none; padding-top: 0; margin-top: 0; }

.paper-body h3 {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: .95rem;
  color: var(--paper-text);
  margin: 1.75rem 0 .6rem;
}

.paper-body ul, .paper-body ol {
  padding-left: 1.5rem;
  margin-bottom: 1.4rem;
}

.paper-body li {
  font-size: .94rem;
  color: var(--paper-text);
  line-height: 1.8;
  margin-bottom: .3rem;
}

.paper-body a {
  color: var(--paper-teal);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.paper-note {
  background: #F0EDE6;
  border-left: 3px solid var(--paper-teal);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  font-size: .88rem;
  color: var(--paper-muted);
  line-height: 1.7;
  border-radius: 0 4px 4px 0;
}

.paper-contact-block {
  background: #F0EDE6;
  border: 1px solid var(--paper-border);
  border-radius: 6px;
  padding: 1.5rem;
  margin-top: 2rem;
  font-size: .88rem;
  color: var(--paper-muted);
  line-height: 1.75;
}

.paper-contact-block strong {
  display: block;
  font-size: .82rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--paper-text);
  margin-bottom: .5rem;
}

/* ── LABS SPECIFIC ── */

.labs-page { background: var(--bg); }

.labs-hero {
  padding: 5rem 3rem 4rem;
  border-bottom: 1px solid var(--border);
  max-width: 900px;
  margin: 0 auto;
}

.labs-tag {
  display: inline-block;
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--teal);
  border: 1px solid rgba(0,194,168,.3);
  padding: .28rem .85rem;
  border-radius: 20px;
  margin-bottom: 1.75rem;
}

.labs-hero h1 {
  font-family: 'Inter', sans-serif;
  font-weight: 800;
  font-size: clamp(36px, 6vw, 64px);
  letter-spacing: -.04em;
  color: var(--text);
  line-height: .95;
  margin-bottom: 1.5rem;
}

.labs-hero h1 em {
  font-style: normal;
  color: var(--teal);
}

.labs-hero-sub {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 580px;
  line-height: 1.7;
}

.labs-body {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 3rem 6rem;
}

.labs-section {
  padding: 4rem 0;
  border-bottom: 1px solid var(--border);
}

.labs-section:last-child { border-bottom: none; }

.labs-section-label {
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 1rem;
}

.labs-section h2 {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: clamp(22px, 3.5vw, 32px);
  color: var(--text);
  letter-spacing: -.025em;
  margin-bottom: 1.25rem;
  line-height: 1.15;
}

.labs-section p {
  font-size: .95rem;
  color: var(--muted);
  line-height: 1.8;
  max-width: 680px;
  margin-bottom: 1.1rem;
}

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

.labs-pills {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: 1.5rem;
}

.labs-pill {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: .8rem;
  padding: .4rem 1rem;
  border-radius: 20px;
}

.labs-pill.accent {
  border-color: rgba(0,194,168,.3);
  color: var(--teal);
  background: rgba(0,194,168,.05);
}

.labs-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: 1.75rem;
}

.labs-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
}

.labs-card h4 {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: .9rem;
  color: var(--text);
  margin-bottom: .5rem;
}

.labs-card p {
  font-size: .82rem;
  color: var(--muted);
  margin-bottom: 0;
}

.labs-stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.75rem;
}

.labs-stat {
  text-align: center;
  padding: 1.5rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.labs-stat-num {
  font-family: 'Inter', sans-serif;
  font-weight: 800;
  font-size: 2.2rem;
  color: var(--teal);
  letter-spacing: -.03em;
  line-height: 1;
  margin-bottom: .4rem;
}

.labs-stat-label {
  font-size: .78rem;
  color: var(--muted);
  line-height: 1.45;
}

/* ── EMPRESA SPECIFIC ── */

.empresa-hero {
  padding: 5rem 3rem 4rem;
  border-bottom: 1px solid var(--border);
  max-width: 960px;
  margin: 0 auto;
}

.empresa-body {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 3rem 6rem;
}

.empresa-section {
  padding: 4rem 0;
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 4rem;
  align-items: start;
}

.empresa-section.full {
  grid-template-columns: 1fr;
}

.empresa-section:last-child { border-bottom: none; }

.empresa-section-left h2 {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  letter-spacing: -.02em;
  line-height: 1.25;
  margin-bottom: .5rem;
}

.empresa-section-left .section-num {
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: .75rem;
}

.empresa-section-right p {
  font-size: .94rem;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 1rem;
}

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

.empresa-tiers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.empresa-tier {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
}

.empresa-tier h4 {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: .88rem;
  color: var(--text);
  margin-bottom: .5rem;
}

.empresa-tier p {
  font-size: .8rem !important;
  color: var(--muted) !important;
  margin-bottom: 0 !important;
}

.empresa-tier.featured {
  border-color: rgba(0,194,168,.3);
  background: rgba(0,194,168,.04);
}

.empresa-tier.featured h4 { color: var(--teal); }

/* ── FOOTER INNER PAGES ── */

.footer-inner-page {
  border-top: 1px solid var(--border);
  padding: 2rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  max-width: 100%;
}

.footer-inner-page p {
  font-size: .78rem;
  color: var(--dim);
}

.footer-inner-page-links {
  display: flex;
  gap: 1.5rem;
}

.footer-inner-page-links a {
  font-size: .78rem;
  color: var(--dim);
  text-decoration: none;
  transition: color .2s;
}
.footer-inner-page-links a:hover { color: var(--teal); }

/* ── RESPONSIVE ── */

@media (max-width: 768px) {
  nav { padding: 1rem 1.5rem; }
  .nav-links { display: none; }
  .paper-hero, .paper-body { padding-left: 1.5rem; padding-right: 1.5rem; }
  .labs-hero, .labs-body { padding-left: 1.5rem; padding-right: 1.5rem; }
  .empresa-hero, .empresa-body { padding-left: 1.5rem; padding-right: 1.5rem; }
  .empresa-section { grid-template-columns: 1fr; gap: 1.5rem; }
  .empresa-tiers { grid-template-columns: 1fr; }
  .labs-grid-2 { grid-template-columns: 1fr; }
  .labs-stat-row { grid-template-columns: 1fr 1fr; }
  .footer-inner-page { padding: 1.5rem; flex-direction: column; align-items: flex-start; }
}