/* ════════════════════════════════════════════
   INSIGHT — Navigation, Pipeline Bar,
             Hero layouts, Sections, Footer
   ════════════════════════════════════════════ */

/* ────────────────────────────────────────────
   NAV
──────────────────────────────────────────── */
nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    height: 64px;
    display: flex; align-items: center;
}
.nav-inner {
    max-width: 1200px; width: 100%;
    margin: 0 auto; padding: 0 2rem;
    display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
    display: flex; align-items: center; gap: 0.6rem;
    font-size: 1.35rem; font-weight: 800;
    color: var(--primary); letter-spacing: -0.5px; text-decoration: none;
}
.nav-rgu-logo {
    height: 36px; width: 36px; object-fit: contain; border-radius: 6px;
    border-right: 1.5px solid var(--border); padding-right: 0.6rem;
}
.nav-logo-text { color: var(--primary); }
.nav-logo-text .accent-dot { color: var(--accent); }

.nav-links {
    display: flex; align-items: center; gap: 2rem; list-style: none;
}
.nav-links a {
    color: var(--text); font-size: 0.9rem; font-weight: 500; transition: color 0.2s;
}
.nav-links a:hover { color: var(--accent); }

.nav-back {
    display: inline-flex; align-items: center; gap: 0.4rem;
    padding: 0.45rem 1.1rem;
    border: 1.5px solid var(--border); border-radius: 20px;
    font-size: 0.85rem; font-weight: 600; color: var(--text);
    transition: all 0.2s; background: transparent;
}
.nav-back:hover { border-color: var(--accent); color: var(--accent); }

.nav-cta {
    padding: 0.5rem 1.25rem;
    background: var(--accent); color: white !important;
    border-radius: 6px; font-weight: 600;
}
.nav-cta:hover { background: var(--accent-light) !important; }

@media (max-width: 768px) { .nav-links { display: none; } }


  /* Theme Grid Styling */
  .research-themes { padding: 3rem 0; background: var(--bg); }
  .themes-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2rem;
      margin-top: 3rem;
  }
  @media (max-width: 900px) { .themes-grid { grid-template-columns: 1fr; } }
  
  .theme-card {
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: 16px;
      overflow: hidden;
      transition: transform 0.3s, box-shadow 0.3s;
      display: flex;
      flex-direction: column;
  }
  .theme-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 15px 35px rgba(0,0,0,0.06);
  }
  
  .theme-canvas-wrap {
      height: 260px;
      background: var(--bg);
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--border);
  }
  .theme-canvas-wrap canvas { width: 100%; height: 100%; display: block; }
  
  .theme-content {
      padding: 2rem;
      flex: 1;
      display: flex;
      flex-direction: column;
  }
  .theme-content h3 { font-size: 1.4rem; font-weight: 800; margin-bottom: 0.75rem; letter-spacing: -0.3px; }
  .theme-content p { color: var(--text-light); margin-bottom: 1.5rem; line-height: 1.6; flex: 1; }

/* ────────────────────────────────────────────
   GLOBAL PIPELINE INDICATOR BAR
──────────────────────────────────────────── */
.pipeline-bar {
    position: fixed; top: 64px; left: 0; right: 0; z-index: 999;
    height: 44px;
    background: var(--bg-subtle);
    display: flex; align-items: center; justify-content: center; gap: 0.5rem;
    border-bottom: 1px solid var(--border);
}
.pipeline-pill {
    display: inline-flex; align-items: center; gap: 0.4rem;
    padding: 0.35rem 1rem; border-radius: 20px;
    font-size: 0.8rem; font-weight: 600; cursor: pointer;
    transition: all 0.2s;
    background: var(--bg);
    color: var(--text-light);
    border: 1px solid var(--border);
}
.pipeline-pill .dot { font-size: 0.65rem; }
.pipeline-pill.active-teal   { background: var(--color-capture); color: #fff; border-color: var(--color-capture); }
.pipeline-pill.active-indigo { background: var(--color-sim);     color: #fff; border-color: var(--color-sim); }
.pipeline-pill.active-green  { background: var(--color-ai);      color: #fff; border-color: var(--color-ai); }
.pipeline-arrow { color: var(--text-light); font-size: 0.8rem; font-weight: 600; }

/* ────────────────────────────────────────────
   PAGE OFFSET  (nav 64px + pipeline bar 44px)
──────────────────────────────────────────── */
.page-start { padding-top: 108px; }

/* ────────────────────────────────────────────
   HERO — Landing page  (full-viewport)
──────────────────────────────────────────── */
.hero-full {
    position: relative; min-height: 100vh; padding-top: 108px;
    background: var(--bg);
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
}
#hero-canvas-full {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 1;
}
.hero-full-content {
    position: relative; z-index: 2;
    max-width: 900px; text-align: center; padding: 2rem;
}
.hero-full-title {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 800; color: var(--text);
    line-height: 1.1; margin-bottom: 1.5rem; letter-spacing: -1px;
}
.hero-full-subtitle {
    font-size: 1.2rem; color: var(--text); margin-bottom: 1.2rem;
    max-width: 680px; margin-inline: auto;
}
.hero-full-desc {
    font-size: 0.95rem; color: var(--text-light); max-width: 580px;
    margin: 0 auto 2.5rem; line-height: 1.7;
}

/* ────────────────────────────────────────────
   HERO — Department pages  (split layout)
──────────────────────────────────────────── */
.hero-dept {
    background: var(--bg);
    min-height: 82vh;
    display: flex; align-items: center;
    padding: 0;
}
.hero-inner {
    max-width: 1200px; width: 100%; margin: 0 auto;
    padding: 4rem 2rem;
    display: grid; grid-template-columns: 55% 45%;
    gap: 3rem; align-items: center;
}
.hero-left { color: var(--text); }
.hero-title, .hero h1 { color: var(--text); }
.hero-subtitle, .hero-para { color: var(--text-light); }
.hero-right {
    position: relative; height: 480px;
    border-radius: 16px; overflow: hidden;
    background: var(--bg-subtle);
}
#hero-canvas { width: 100%; height: 100%; display: block; }

.stage-badge {
    display: inline-flex; align-items: center; gap: 0.4rem;
    padding: 0.35rem 1rem; border-radius: 20px;
    font-size: 0.78rem; font-weight: 700;
    margin-bottom: 1.5rem; letter-spacing: 0.5px; text-transform: uppercase;
}
.badge-teal   { background: rgba(14,165,233,0.15); color: #0284c7; border: 1px solid rgba(14,165,233,0.3); }
.badge-indigo { background: rgba(79,70,229,0.18);  color: #4338ca; border: 1px solid rgba(79,70,229,0.35); }
.badge-green  { background: rgba(16,185,129,0.15); color: #047857; border: 1px solid rgba(16,185,129,0.3); }

.hero-left h1 {
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 800; line-height: 1.15;
    margin-bottom: 1.2rem; letter-spacing: -0.5px;
}
.hero-subtitle {
    font-size: 1.1rem; color: var(--text-light);
    margin-bottom: 1rem; line-height: 1.6;
}
.hero-para {
    font-size: 0.95rem; color: var(--text-light);
    margin-bottom: 2rem; line-height: 1.7;
}
.hero-ctas { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2rem; }
.hero-pipeline-pos {
    font-size: 0.78rem; color: var(--text-light);
    display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap;
}
.current-teal   { color: var(--teal); }
.current-indigo { color: var(--accent); }
.current-green  { color: var(--green); }

@media (max-width: 900px) {
    .hero-inner { grid-template-columns: 1fr; }
    .hero-right { height: 320px; }
}

/* ────────────────────────────────────────────
   SECTION BASE
──────────────────────────────────────────── */
section { padding: 3rem 0; }
.section-inner { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-label {
    display: inline-block;
    font-size: 0.75rem; font-weight: 700;
    letter-spacing: 1.5px; text-transform: uppercase;
    color: var(--accent-light); margin-bottom: 0.75rem;
}
.section-title {
    font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 800;
    color: var(--text); margin-bottom: 0.75rem; letter-spacing: -0.3px;
}
.section-title-white { color: white; }
.section-sub { font-size: 1rem; color: var(--text-light); max-width: 560px; margin: 0 auto; }
.bg-subtle { background: var(--bg-subtle); }

/* ────────────────────────────────────────────
   PIPELINE CONTEXT  (section on dept pages)
──────────────────────────────────────────── */
.pipeline-context { background: var(--bg-subtle); padding: 5rem 0; }
.pipeline-flow {
    display: flex; align-items: center; justify-content: center;
    gap: 1rem; flex-wrap: wrap; margin: 2.5rem 0;
}
.pipe-step {
    display: flex; flex-direction: column; align-items: center; gap: 0.6rem;
    padding: 1.25rem 1.75rem; border-radius: 12px;
    background: var(--bg); border: 1.5px solid var(--border);
    transition: all 0.2s; min-width: 140px; text-align: center;
}
.pipe-step:hover { transform: translateY(-2px); }
.pipe-step.s-teal       { border-color: rgba(14,165,233,0.4); }
.pipe-step.s-teal:hover { border-color: var(--teal); }
.pipe-step.s-green       { border-color: rgba(16,185,129,0.4); }
.pipe-step.s-green:hover { border-color: var(--green); }
.pipe-step.s-teal-active   { border-color: var(--teal);  background: rgba(14,165,233,0.12); box-shadow: 0 0 0 1px rgba(14,165,233,0.3); }
.pipe-step.s-indigo-active { border-color: var(--accent); background: rgba(79,70,229,0.12);  box-shadow: 0 0 0 1px rgba(79,70,229,0.3); }
.pipe-step.s-green-active  { border-color: var(--green); background: rgba(16,185,129,0.12); box-shadow: 0 0 0 1px rgba(16,185,129,0.3); }
.pipe-step-icon { font-size: 1.5rem; margin-bottom: 0.2rem; }
.pipe-step-label { font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; }
.pipe-step.s-teal .pipe-step-label,
.pipe-step.s-teal-active .pipe-step-label       { color: var(--teal); }
.pipe-step.s-indigo-active .pipe-step-label     { color: var(--accent); }
.pipe-step.s-green .pipe-step-label,
.pipe-step.s-green-active .pipe-step-label      { color: var(--green); }
.pipe-arrow-big { color: var(--text-light); font-size: 1.4rem; }
.pipeline-context-desc {
    text-align: center; color: var(--text-light);
    font-size: 0.95rem; max-width: 620px; margin: 0 auto; line-height: 1.7;
}

/* ────────────────────────────────────────────
   PIPELINE CONNECTORS  (bottom of dept pages)
──────────────────────────────────────────── */
.pipeline-connectors { background: var(--bg); padding: 5rem 0; }
.connectors-grid {
    display: grid; grid-template-columns: 1fr 1px 1fr;
    max-width: 700px; margin: 0 auto;
}
@media (max-width: 640px) {
    .connectors-grid { grid-template-columns: 1fr; }
    .connectors-divider { display: none; }
}
.connector-panel { padding: 2rem; text-align: center; }
.connector-label {
    font-size: 0.73rem; font-weight: 700;
    letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 0.6rem;
}
.connector-label.teal-label  { color: var(--teal); }
.connector-label.indigo-label { color: var(--accent); }
.connector-label.green-label { color: var(--green); }
.connector-link {
    display: inline-flex; align-items: center; gap: 0.5rem;
    font-size: 1rem; font-weight: 700; transition: opacity 0.2s;
}
.connector-link.teal-link   { color: var(--teal); }
.connector-link.indigo-link { color: var(--accent); }
.connector-link.green-link  { color: var(--green); }
.connector-link:hover { opacity: 0.8; }
.connector-sub { font-size: 0.82rem; color: var(--text-light); margin-top: 0.5rem; }
.connectors-divider { background: var(--border); }

/* ────────────────────────────────────────────
   IMPACT METRICS  (landing page)
──────────────────────────────────────────── */
.metrics-grid {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 2rem; text-align: center;
}
.metric-val {
    font-size: 3.5rem; font-weight: 800; color: var(--color-sim);
    line-height: 1; margin-bottom: 0.5rem;
}
.metric-label {
    font-size: 1rem; font-weight: 600; color: var(--text-dark);
    text-transform: uppercase; letter-spacing: 1px;
}
@media (max-width: 900px) {
    .metrics-grid { grid-template-columns: repeat(2, 1fr); gap: 3rem; }
}

/* ────────────────────────────────────────────
   INTERACTIVE PIPELINE TABS  (landing page)
──────────────────────────────────────────── */
.interactive-pipeline {
    display: grid; grid-template-columns: 1fr 1.2fr;
    gap: 4rem; background: var(--bg);
    border: 1px solid var(--border); border-radius: 16px;
    padding: 3rem; box-shadow: 0 10px 30px -10px rgba(0,0,0,0.05);
}
.pipeline-nav { position: relative; display: flex; flex-direction: column; gap: 2rem; }
.nav-line {
    position: absolute; top: 20px; bottom: 20px; left: 23px;
    width: 2px; background: var(--border); z-index: 0;
}
.pipe-tab {
    position: relative; z-index: 1;
    display: flex; align-items: center; gap: 1.5rem;
    background: transparent; border: none; cursor: pointer;
    text-align: left; opacity: 0.5; transition: all 0.3s; padding-right: 1rem;
}
.pipe-tab:hover { opacity: 0.8; }
.pipe-tab.active { opacity: 1; transform: translateX(10px); }
.tab-num {
    width: 48px; height: 48px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.25rem; font-weight: 800; color: white;
    box-shadow: 0 0 0 6px var(--bg); transition: transform 0.3s;
}
.pipe-tab.active .tab-num { transform: scale(1.15); }
.tab-title { font-size: 1.25rem; font-weight: 700; color: var(--text); }
.pipeline-display {
    background: var(--bg-subtle); border-radius: 12px;
    padding: 2.5rem; position: relative; overflow: hidden;
}
.pipe-pane { display: none; animation: fadeIn 0.4s ease forwards; }
.pipe-pane.active { display: block; }
.pipe-pane h3 { font-size: 1.8rem; margin-bottom: 1rem; font-weight: 800; letter-spacing: -0.5px; }
.pipe-pane p  { color: var(--text-light); margin-bottom: 1.5rem; font-size: 1.1rem; line-height: 1.7; }
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}
@media (max-width: 900px) {
    .interactive-pipeline { grid-template-columns: 1fr; gap: 2rem; padding: 2rem; }
    .pipe-tab.active { transform: translateX(5px); }
}

/* ────────────────────────────────────────────
   FOOTER
──────────────────────────────────────────── */
footer {
    background: var(--bg-subtle);
    border-top: 1px solid var(--border);
    padding: 3rem 0 2rem;
    color: var(--text);
}
.footer-logo { color: var(--text); }
.footer-copy { color: var(--text-light); }
.footer-links a { color: var(--text-light); }
.footer-links a:hover { color: var(--accent); }

.footer-inner { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }
.footer-top {
    display: flex; justify-content: space-between; align-items: flex-start;
    gap: 2rem; margin-bottom: 2rem; flex-wrap: wrap;
}
.footer-logo {
    display: flex; align-items: center; gap: 0.6rem;
    font-size: 1.2rem; font-weight: 800; color: var(--text); text-decoration: none;
}
.footer-rgu-logo {
    height: 40px; width: 40px; object-fit: contain; border-radius: 6px;
    border-right: 1.5px solid var(--border); padding-right: 0.6rem; opacity: 0.9;
}
.footer-logo-text { color: var(--text); }
.footer-logo-text span { color: var(--accent); }
.footer-copy { font-size: 0.8rem; color: var(--text-light); margin-top: 0.3rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; list-style: none; }
.footer-links a {
    font-size: 0.85rem; color: var(--text-light); transition: color 0.2s;
}
.footer-links a:hover { color: var(--accent); }
.footer-bottom {
    border-top: 1px solid var(--border); padding-top: 1.25rem;
    display: flex; align-items: center; justify-content: center; gap: 1rem;
}
.footer-pipe-link {
    display: inline-flex; align-items: center; gap: 0.4rem;
    font-size: 0.82rem; font-weight: 600; color: var(--text-light);
    padding: 0.4rem 1rem; border: 1px solid var(--border);
    border-radius: 20px; transition: all 0.2s;
}
.footer-pipe-link:hover { color: var(--text); border-color: var(--border); }