/* ── Reset & base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #0a0f1e;
  --surface:   #111827;
  --surface2:  #1a2235;
  --border:    rgba(99,179,237,.15);
  --accent1:   #3b82f6;
  --accent2:   #8b5cf6;
  --accent3:   #06b6d4;
  --accent4:   #10b981;
  --accent5:   #f59e0b;
  --text:      #e2e8f0;
  --muted:     #94a3b8;
  --heading:   #f8fafc;
  --radius:    14px;
  --glow:      0 0 40px rgba(59,130,246,.18);
  --nav-bg:    rgba(10,15,30,.85);
  --bar-track: rgba(255,255,255,.07);
}

[data-theme="light"] {
  --bg:        #f0f4ff;
  --surface:   #ffffff;
  --surface2:  #e8eef8;
  --border:    rgba(59,130,246,.18);
  --text:      #1e293b;
  --muted:     #64748b;
  --heading:   #0f172a;
  --glow:      0 0 40px rgba(59,130,246,.12);
  --nav-bg:    rgba(240,244,255,.88);
  --bar-track: rgba(0,0,0,.08);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  line-height: 1.7;
  font-size: 15px;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent1); border-radius: 3px; }

/* ── Nav ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: blur(20px) saturate(160%);
  padding: 0 32px;
  height: 64px;
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: none;
}
nav::after {
  content:''; position:absolute; bottom:0; left:0; right:0; height:1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(59,130,246,.5) 20%,
    rgba(139,92,246,.6) 50%,
    rgba(6,182,212,.5) 80%,
    transparent 100%);
}
[data-theme="light"] nav::after {
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(59,130,246,.3) 20%,
    rgba(139,92,246,.4) 50%,
    rgba(6,182,212,.3) 80%,
    transparent 100%);
}

/* logo mark */
.nav-brand {
  display: flex; align-items: center; gap: 10px; text-decoration: none;
}
.nav-logo {
  width: 40px; height: 40px; border-radius: 8px; flex-shrink: 0;
  overflow: hidden;
  box-shadow: 0 0 12px rgba(99,102,241,.45);
}
.nav-logo img {
  width: 100%; height: 100%; object-fit: cover;
}
.nav-brand-text {
  display: flex; flex-direction: column; line-height: 1.15;
}
.nav-brand-top {
  font-size: 12px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase;
  background: linear-gradient(90deg, var(--accent1), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.nav-brand-sub {
  font-size: 10px; color: var(--muted); letter-spacing: .06em; text-transform: uppercase;
}

.nav-links { display: flex; gap: 6px; list-style: none; }
.nav-links a {
  position: relative;
  color: var(--text); text-decoration: none; font-size: 13px; font-weight: 500;
  letter-spacing: .04em; padding: 7px 16px; border-radius: 8px;
  border: 1px solid transparent;
  transition: color .18s, background .18s, border-color .18s;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: 4px; left: 50%; transform: translateX(-50%);
  width: 0; height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, var(--accent1), var(--accent2));
  transition: width .22s ease;
}
.nav-links a:hover {
  color: var(--heading);
  background: rgba(99,179,237,.07);
  border-color: var(--border);
}
.nav-links a:hover::after { width: 60%; }
.nav-links a.active {
  color: var(--accent1); font-weight: 600;
  background: rgba(59,130,246,.12);
  border-color: rgba(59,130,246,.28);
}
.nav-links a.active::after { width: 60%; }

/* ── Hero ── */
.hero {
  min-height: 100vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  position: relative; overflow: hidden;
}

/* Grid mesh */
.hero::after {
  content:''; position:absolute; inset:0; pointer-events:none;
  background-image:
    linear-gradient(rgba(59,130,246,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,.055) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 40%, transparent 100%);
}
[data-theme="light"] .hero::after {
  background-image:
    linear-gradient(rgba(59,130,246,.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,.09) 1px, transparent 1px);
}

.hero-orb {
  position: absolute; border-radius: 50%; filter: blur(72px); pointer-events: none;
}
.orb1 { width: 700px; height: 700px; background: rgba(59,130,246,.18); top: -180px; left: -240px; animation: orbFloat 12s ease-in-out infinite alternate; }
.orb2 { width: 580px; height: 580px; background: rgba(139,92,246,.16); bottom: -120px; right: -180px; animation: orbFloat 16s ease-in-out infinite alternate-reverse; }
.orb3 { width: 380px; height: 380px; background: rgba(6,182,212,.12); top: 50%; left: 50%; transform: translate(-50%,-50%); animation: orbFloat 10s ease-in-out infinite alternate; }
@keyframes orbFloat { from{transform:translate(0,0) scale(1)} to{transform:translate(18px,14px) scale(1.04)} }
.orb3 { animation: orb3Float 10s ease-in-out infinite alternate; }
@keyframes orb3Float { from{transform:translate(-50%,-50%) scale(1)} to{transform:translate(-50%,-48%) scale(1.06)} }

/* Badge */
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(59,130,246,.1); border: 1px solid rgba(59,130,246,.35);
  color: var(--accent1); border-radius: 999px;
  padding: 7px 18px; font-size: 12px; font-weight: 600;
  letter-spacing: .08em; text-transform: uppercase; margin-bottom: 32px;
  backdrop-filter: blur(8px);
  animation: fadeDown .8s ease both;
}
.hero-badge::before { content:''; width:8px; height:8px; border-radius:50%; background:var(--accent1); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.4;transform:scale(.75)} }
@keyframes fadeDown { from{opacity:0;transform:translateY(-14px)} to{opacity:1;transform:none} }

/* Eyebrow label */
.hero-eyebrow {
  font-size: 13px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 14px;
  animation: fadeUp .7s .15s ease both;
}

/* Main title */
.hero h1 {
  font-size: clamp(48px, 8.5vw, 96px); font-weight: 900; line-height: 1.0;
  letter-spacing: -.03em; margin-bottom: 14px;
  animation: fadeUp .7s .25s ease both;
}
.hero h1 .line1 { display: block; color: var(--heading); }
.hero h1 .line2 {
  display: block;
  background: linear-gradient(100deg, #3b82f6 0%, #8b5cf6 40%, #06b6d4 80%);
  background-size: 200% auto;
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  animation: shimmer 4s linear infinite, fadeUp .7s .25s ease both;
}
@keyframes shimmer { to { background-position: 200% center; } }
@keyframes fadeUp { from{opacity:0;transform:translateY(20px)} to{opacity:1;transform:none} }

/* Subtitle */
.hero-sub {
  font-size: clamp(15px, 2vw, 19px); color: var(--muted);
  max-width: 580px; margin: 0 auto 48px; line-height: 1.65;
  animation: fadeUp .7s .35s ease both;
}

/* Stats row */
.hero-meta {
  display: flex; gap: 12px; justify-content: center; flex-wrap: wrap;
  margin-bottom: 48px;
  animation: fadeUp .7s .45s ease both;
}
.hero-meta-item {
  display: flex; align-items: center; gap: 14px;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: 14px; padding: 14px 22px;
  backdrop-filter: blur(8px);
  transition: border-color .2s, transform .2s;
}
.hero-meta-item:hover { border-color: rgba(59,130,246,.4); transform: translateY(-2px); }
[data-theme="light"] .hero-meta-item { background: rgba(255,255,255,.7); }
.hero-meta-icon { font-size: 26px; }
.hero-meta-text { text-align: left; }
.hero-meta-item .val {
  font-size: 26px; font-weight: 900; display: block; line-height: 1;
  background: linear-gradient(135deg, var(--accent1), var(--accent3));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-meta-item .label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .07em; margin-top: 3px; display: block; }

/* CTA */
.hero-cta {
  display: inline-flex; align-items: center; gap: 10px;
  background: linear-gradient(135deg, var(--accent1), var(--accent2));
  color: #fff; text-decoration: none; border-radius: 12px;
  padding: 15px 36px; font-weight: 700; font-size: 15px;
  box-shadow: 0 0 0 0 rgba(59,130,246,.5);
  transition: transform .2s, box-shadow .2s;
  animation: fadeUp .7s .55s ease both, ctaPulse 3s 1.5s ease-in-out infinite;
}
.hero-cta:hover { transform: translateY(-3px); box-shadow: 0 16px 48px rgba(59,130,246,.55); animation: none; }
@keyframes ctaPulse {
  0%,100%{ box-shadow: 0 8px 32px rgba(59,130,246,.35); }
  50%{ box-shadow: 0 8px 48px rgba(139,92,246,.55); }
}

/* Scroll hint line */
.hero-scroll-hint {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  color: var(--muted); font-size: 11px; letter-spacing: .1em; text-transform: uppercase;
  opacity: .6;
}
.scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, transparent, var(--accent1));
  animation: scrollDrop 2s ease-in-out infinite;
}
@keyframes scrollDrop { 0%,100%{transform:scaleY(1);opacity:.6} 50%{transform:scaleY(.6);opacity:1} }

/* ── Section wrapper ── */
section { padding: 96px 24px; max-width: 1100px; margin: 0 auto; }
.section-label {
  font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent1); margin-bottom: 12px;
}
.section-title {
  font-size: clamp(26px, 4vw, 40px); font-weight: 800; color: var(--heading);
  margin-bottom: 16px; letter-spacing: -.02em;
}
.section-desc { color: var(--muted); max-width: 580px; margin-bottom: 56px; font-size: 15px; }

/* ── Mission ── */
.mission-wrap {
  background: linear-gradient(135deg, rgba(59,130,246,.08), rgba(139,92,246,.08));
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 56px 48px; text-align: center; position: relative; overflow: hidden;
}
.mission-wrap::before {
  content:''; position:absolute; inset:0;
  background: radial-gradient(ellipse at 50% 0%, rgba(59,130,246,.12), transparent 70%);
}
.mission-icon { font-size: 48px; margin-bottom: 20px; }
.mission-image {
  width: 180px; height: 180px; object-fit: contain;
  margin-bottom: 24px; position: relative; z-index: 1;
  filter: drop-shadow(0 0 24px rgba(59,130,246,.35));
}
.mission-text {
  font-size: clamp(18px, 2.5vw, 24px); font-weight: 600; color: var(--heading);
  line-height: 1.5; max-width: 700px; margin: 0 auto;
}

/* ── Responsibility cards ── */
.resp-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 20px; }
.resp-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; position: relative; overflow: hidden;
  transition: transform .25s, border-color .25s, box-shadow .25s;
}
.resp-card:hover { transform: translateY(-4px); border-color: rgba(99,179,237,.35); box-shadow: var(--glow); }
.resp-card::before {
  content:''; position:absolute; top:0; left:0; right:0; height:3px;
  background: var(--card-accent, linear-gradient(90deg, var(--accent1), var(--accent2)));
}
.resp-num {
  font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 12px;
}
.resp-icon { font-size: 32px; margin-bottom: 14px; }
.resp-title { font-size: 17px; font-weight: 700; color: var(--heading); margin-bottom: 10px; }
.resp-desc { font-size: 14px; color: var(--muted); line-height: 1.65; }
.resp-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px; }
.tag {
  font-size: 11px; padding: 3px 10px; border-radius: 999px;
  background: rgba(99,179,237,.1); color: var(--accent3); border: 1px solid rgba(99,179,237,.2);
}

/* Card accent overrides */
.card-blue::before  { background: linear-gradient(90deg,#3b82f6,#06b6d4); }
.card-violet::before{ background: linear-gradient(90deg,#8b5cf6,#ec4899); }
.card-cyan::before  { background: linear-gradient(90deg,#06b6d4,#10b981); }
.card-green::before { background: linear-gradient(90deg,#10b981,#84cc16); }
.card-amber::before { background: linear-gradient(90deg,#f59e0b,#ef4444); }
.card-indigo::before{ background: linear-gradient(90deg,#6366f1,#8b5cf6); }

/* ── Overview section ── */
.overview-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 8px;
}
@media(max-width:680px){ .overview-grid { grid-template-columns: 1fr; } }
.overview-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px;
}
.overview-card-title {
  font-size: 13px; font-weight: 700; color: var(--accent1); text-transform: uppercase;
  letter-spacing: .07em; margin-bottom: 12px;
}
.overview-text { font-size: 14px; color: var(--muted); line-height: 1.7; }
.overview-text p { margin-bottom: 8px; }
.overview-text p:last-child { margin-bottom: 0; }
.overview-text strong { color: var(--text); }
.overview-list { list-style: none; display: flex; flex-direction: column; gap: 6px; font-size: 14px; color: var(--muted); }
.overview-list li { display: flex; gap: 8px; align-items: flex-start; }
.overview-list li::before { content: '→'; color: var(--accent1); flex-shrink: 0; font-weight: 700; }
.overview-intro {
  background: linear-gradient(135deg, rgba(59,130,246,.06), rgba(139,92,246,.06));
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px 28px; margin-bottom: 20px; font-size: 15px; color: var(--text); line-height: 1.7;
}

/* ── Report line block ── */
.overview-meta-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 8px;
}
@media(max-width:680px){ .overview-meta-row { grid-template-columns: 1fr; } }

.meta-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px 24px;
}
.meta-card-label {
  font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 14px; display: flex; align-items: center; gap: 6px;
}
.meta-card-label::before {
  content: ''; width: 3px; height: 14px; border-radius: 2px;
  background: var(--mc-accent, linear-gradient(180deg, var(--accent1), var(--accent3)));
  display: inline-block;
}
.mc-size { --mc-accent: linear-gradient(180deg,#3b82f6,#06b6d4); }
.mc-report { --mc-accent: linear-gradient(180deg,#8b5cf6,#ec4899); }

/* size card */
.meta-size-val {
  font-size: 48px; font-weight: 900; line-height: 1;
  background: linear-gradient(135deg, var(--accent1), var(--accent3));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  display: inline-block;
}
.meta-size-unit {
  font-size: 15px; font-weight: 700; color: var(--text); margin-left: 6px; vertical-align: middle;
}
.meta-size-note {
  font-size: 12px; color: var(--muted); margin-top: 4px;
}

/* report line card */
.reportline-list { display: flex; flex-direction: column; gap: 12px; }
.reportline-item {
  display: flex; flex-direction: column; gap: 6px;
  padding: 12px 14px; border-radius: 10px;
  background: var(--surface2); border: 1px solid var(--border);
}
.reportline-when {
  font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .07em;
  color: var(--muted);
}
.reportline-to {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
}
.reportline-arrow { font-size: 13px; color: var(--accent1); font-weight: 700; }
.reportline-badge {
  font-size: 12px; font-weight: 700; padding: 3px 11px; border-radius: 999px;
}
.badge-pm   { background: rgba(59,130,246,.12); color: var(--accent1); border: 1px solid rgba(59,130,246,.3); }
.badge-lead { background: rgba(245,158,11,.12); color: var(--accent5); border: 1px solid rgba(245,158,11,.3); }
.badge-dc   { background: rgba(139,92,246,.12); color: var(--accent2); border: 1px solid rgba(139,92,246,.3); }
.reportline-about {
  font-size: 12px; color: var(--muted); padding-left: 2px;
}

/* ── Resp list (bullet points inside cards) ── */
.resp-list {
  list-style: none; display: flex; flex-direction: column; gap: 7px;
  margin-top: 12px; font-size: 13px; color: var(--muted);
}
.resp-list li { display: flex; gap: 8px; align-items: flex-start; line-height: 1.55; }
.resp-list li::before { content: '·'; color: var(--accent1); font-size: 18px; line-height: 1.1; flex-shrink: 0; font-weight: 700; }
.resp-process { margin-top: 14px; }
.resp-process-title {
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em;
  color: var(--muted); margin-bottom: 10px;
}
.resp-process-list { list-style: none; display: flex; flex-direction: column; gap: 7px; }
.resp-process-list li { display: flex; gap: 10px; align-items: flex-start; font-size: 13px; color: var(--muted); line-height: 1.55; }
.rp-num {
  width: 20px; height: 20px; border-radius: 50%; flex-shrink: 0;
  background: rgba(59,130,246,.15); color: var(--accent1);
  display: flex; align-items: center; justify-content: center;
  font-size: 10px; font-weight: 700; margin-top: 1px;
}

/* ── Note box ── */
.note {
  display: flex; gap: 10px; align-items: flex-start;
  background: rgba(245,158,11,.07); border: 1px solid rgba(245,158,11,.2);
  border-radius: 10px; padding: 14px 16px; margin-top: 16px; font-size: 13px; color: var(--muted);
}
.note-icon { font-size: 16px; flex-shrink: 0; margin-top: 1px; }

/* ── Priority list ── */
.priority-list { list-style: none; display: flex; flex-direction: column; gap: 14px; }
.priority-item {
  display: flex; align-items: center; gap: 20px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px 24px; transition: border-color .2s;
}
.priority-item:hover { border-color: rgba(99,179,237,.3); }
.pnum {
  width: 40px; height: 40px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 16px;
}
.p1 { background: rgba(239,68,68,.15); color: #ef4444; border: 1px solid rgba(239,68,68,.3); }
.p2 { background: rgba(245,158,11,.15); color: #f59e0b; border: 1px solid rgba(245,158,11,.3); }
.p3 { background: rgba(59,130,246,.15); color: #3b82f6; border: 1px solid rgba(59,130,246,.3); }
.p4 { background: rgba(99,102,241,.15); color: #6366f1; border: 1px solid rgba(99,102,241,.3); }
.p5 { background: rgba(16,185,129,.15); color: #10b981; border: 1px solid rgba(16,185,129,.3); }
.ptext strong { display: block; color: var(--heading); font-size: 15px; margin-bottom: 2px; }
.ptext span { font-size: 13px; color: var(--muted); }

/* ── Time allocation ── */
.alloc-grid { display: flex; flex-direction: column; gap: 14px; }
.alloc-row { display: flex; flex-direction: column; gap: 6px; }
.alloc-label { display: flex; justify-content: space-between; font-size: 14px; color: var(--text); }
.alloc-label span:last-child { color: var(--muted); font-size: 13px; }
.bar-bg {
  height: 10px; background: var(--bar-track); border-radius: 999px; overflow: hidden;
}
.bar-fill {
  height: 100%; border-radius: 999px;
  background: var(--bar-color, linear-gradient(90deg,var(--accent1),var(--accent3)));
  width: 0; transition: width 1.2s cubic-bezier(.4,0,.2,1);
}

/* ── Roles ── */
.roles-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media(max-width:680px){ .roles-grid { grid-template-columns: 1fr; } }
.role-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px; position: relative; overflow: hidden;
}
.role-card::after {
  content:''; position:absolute; bottom:0; right:0;
  width:120px; height:120px; border-radius: 50%;
  background: var(--role-glow, rgba(59,130,246,.06));
  transform: translate(40px,40px);
}
.role-badge {
  display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; padding: 4px 12px; border-radius: 999px; margin-bottom: 16px;
}
.badge-lead { background: rgba(245,158,11,.15); color: var(--accent5); border: 1px solid rgba(245,158,11,.25); }
.badge-member { background: rgba(59,130,246,.15); color: var(--accent1); border: 1px solid rgba(59,130,246,.25); }
.role-title { font-size: 20px; font-weight: 800; color: var(--heading); margin-bottom: 20px; }
.role-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.role-list li {
  display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--muted);
}
.role-list li::before {
  content:'→'; color: var(--accent1); flex-shrink: 0; font-weight: 700; margin-top: 1px;
}

/* ── Collaboration ── */
.collab-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.collab-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px;
}
.collab-icon { font-size: 28px; margin-bottom: 14px; }
.collab-title { font-size: 16px; font-weight: 700; color: var(--heading); margin-bottom: 12px; }
.collab-steps { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.collab-steps li {
  display: flex; gap: 10px; align-items: flex-start; font-size: 13px; color: var(--muted);
}
.step-num {
  width: 22px; height: 22px; border-radius: 50%; flex-shrink: 0;
  background: rgba(59,130,246,.15); color: var(--accent1);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700; margin-top: 1px;
}

/* ── Roadmap ── */
.roadmap { display: flex; flex-direction: column; gap: 0; position: relative; }
.roadmap::before {
  content:''; position:absolute; left:28px; top:32px; bottom:32px; width:2px;
  background: linear-gradient(to bottom, var(--accent1), var(--accent2), var(--accent4));
  border-radius: 2px;
}
.rmap-item { display: flex; gap: 28px; align-items: flex-start; padding: 20px 0; position: relative; }
.rmap-dot {
  width: 56px; height: 56px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; z-index: 1; border: 3px solid var(--bg);
}
.dot1 { background: linear-gradient(135deg, rgba(59,130,246,.3), rgba(6,182,212,.3)); }
.dot2 { background: linear-gradient(135deg, rgba(139,92,246,.3), rgba(236,72,153,.3)); }
.dot3 { background: linear-gradient(135deg, rgba(16,185,129,.3), rgba(132,204,22,.3)); }
.rmap-content { flex: 1; }
.rmap-phase {
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .1em;
  color: var(--muted); margin-bottom: 6px;
}
.rmap-title { font-size: 20px; font-weight: 800; color: var(--heading); margin-bottom: 10px; }
.rmap-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.rmap-tag {
  font-size: 12px; padding: 4px 12px; border-radius: 999px;
  background: var(--surface2); color: var(--muted); border: 1px solid var(--border);
}

/* ── Principles grid ── */
.principles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
@media(max-width:640px){ .principles-grid { grid-template-columns: 1fr; } }

.principle-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  display: flex; gap: 18px; align-items: flex-start;
  transition: transform .22s, box-shadow .22s, border-color .22s;
  position: relative; overflow: hidden;
}
.principle-card::before {
  content:''; position:absolute; left:0; top:0; bottom:0; width:3px;
  background: var(--pc-accent, linear-gradient(180deg,#3b82f6,#06b6d4));
  border-radius: 0 2px 2px 0;
}
.principle-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(0,0,0,.25);
  border-color: rgba(99,179,237,.3);
}

.pc-icon-wrap {
  width: 46px; height: 46px; border-radius: 12px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  background: var(--pc-bg, rgba(59,130,246,.1));
}
.pc-body { flex: 1; min-width: 0; }
.principle-title { font-size: 14px; font-weight: 700; color: var(--heading); margin-bottom: 5px; line-height: 1.3; }
.principle-desc { font-size: 13px; color: var(--muted); line-height: 1.6; }

/* Per-principle accent colours */
.pc-blue  { --pc-accent: linear-gradient(180deg,#3b82f6,#06b6d4); --pc-bg: rgba(59,130,246,.1); }
.pc-violet{ --pc-accent: linear-gradient(180deg,#8b5cf6,#ec4899); --pc-bg: rgba(139,92,246,.1); }
.pc-cyan  { --pc-accent: linear-gradient(180deg,#06b6d4,#10b981); --pc-bg: rgba(6,182,212,.1); }
.pc-amber { --pc-accent: linear-gradient(180deg,#f59e0b,#ef4444); --pc-bg: rgba(245,158,11,.1); }
.pc-green { --pc-accent: linear-gradient(180deg,#10b981,#84cc16); --pc-bg: rgba(16,185,129,.1); }

/* ── Footer ── */
footer {
  border-top: 1px solid var(--border);
  padding: 40px 24px;
  text-align: center; color: var(--muted); font-size: 13px;
}
footer strong { color: var(--text); }

/* ── Divider ── */
.divider {
  height: 1px; background: var(--border);
  max-width: 1100px; margin: 0 auto;
}

/* ── Theme toggle ── */
.theme-toggle {
  width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  font-size: 16px; line-height: 1; padding: 0;
  transition: background .2s, border-color .2s, transform .2s;
  flex-shrink: 0;
}
.theme-toggle:hover { border-color: var(--accent1); transform: rotate(20deg); }

/* Light mode surface tweaks */
[data-theme="light"] .resp-card,
[data-theme="light"] .priority-item,
[data-theme="light"] .role-card,
[data-theme="light"] .collab-card,
[data-theme="light"] .principle-card {
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
}
[data-theme="light"] .mission-wrap {
  background: linear-gradient(135deg, rgba(59,130,246,.06), rgba(139,92,246,.06));
}
[data-theme="light"] .rmap-dot { border-color: var(--bg); }
[data-theme="light"] .hero-orb { opacity: .6; }
[data-theme="light"] .orb1 { background: rgba(59,130,246,.18); }
[data-theme="light"] .orb2 { background: rgba(139,92,246,.14); }
[data-theme="light"] .orb3 { background: rgba(6,182,212,.12); }

/* ── Responsive nav ── */
@media(max-width:640px){
  .nav-links { display: none; }
  .hero-meta { gap: 20px; }
}

/* ── Fade-in animation ── */
.fade-in { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.fade-in.visible { opacity: 1; transform: none; }