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

:root {
  --green: #84cc16;
  --green-dark: #65a30d;
  --green-light: #f7fee7;
  --green-mid: #ecfccb;
  --text: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;
  --bg: #ffffff;
  --bg-alt: #f9fafb;
  --card-bg: #ffffff;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
}

html { scroll-behavior: smooth; }

body {
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
}

img { max-width: 100%; height: auto; display: block; }

/* ── Nav ── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--green-dark);
  letter-spacing: -0.02em;
}
.nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}
.nav-links a {
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--muted);
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--text); }

/* ── Hero ── */
.hero {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 60%, #14532d 100%);
  color: #fff;
  padding: 6rem 2rem 5rem;
  text-align: center;
}
.hero-inner { max-width: 760px; margin: 0 auto; }
.hero-tag {
  display: inline-block;
  background: rgba(132,204,22,0.2);
  color: #a3e635;
  border: 1px solid rgba(132,204,22,0.3);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 1.25rem;
}
.hero-title {
  font-family: "DM Serif Display", Georgia, serif;
  font-size: clamp(3rem, 8vw, 5.5rem);
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}
.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: #cbd5e1;
  max-width: 580px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}
.hero-meta {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: #64748b;
}

/* ── Sections ── */
.section { padding: 5rem 2rem; }
.section-alt { background: var(--bg-alt); }
.container { max-width: 1060px; margin: 0 auto; }

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green-dark);
  margin-bottom: 0.75rem;
}
.section-title {
  font-family: "DM Serif Display", Georgia, serif;
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1.75rem;
  max-width: 680px;
}
.subsection-title {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 1.25rem;
  color: var(--text);
}

/* ── Prose ── */
.prose { max-width: 720px; }
.prose p { color: #374151; margin-bottom: 1rem; line-height: 1.75; }
.prose-single { max-width: 720px; color: #374151; margin-bottom: 1.5rem; line-height: 1.75; }

/* ── Cards ── */
.card-grid { display: grid; gap: 1.25rem; }
.two-col { grid-template-columns: repeat(2, 1fr); }
.three-col { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}
.accent-border { border-top: 3px solid #94a3b8; }
.green-border { border-top: 3px solid var(--green) !important; }

.card-title { font-size: 1rem; font-weight: 700; margin-bottom: 0.35rem; }
.card-meta { font-size: 0.8rem; color: var(--muted); margin-bottom: 0.75rem; }
.card-body { font-size: 0.9rem; color: #374151; line-height: 1.65; margin-bottom: 0.75rem; }
.card-goal { font-size: 0.85rem; color: var(--text); }

.persona-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: #f1f5f9;
  color: #475569;
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 0.6rem;
}
.green-tag { background: var(--green-light); color: var(--green-dark); }

.bullet-list { list-style: none; padding: 0; }
.bullet-list li {
  padding: 0.35rem 0 0.35rem 1.2rem;
  position: relative;
  font-size: 0.9rem;
  color: #374151;
  line-height: 1.55;
}
.bullet-list li::before {
  content: "·";
  position: absolute;
  left: 0;
  color: var(--green-dark);
  font-weight: 700;
}

/* ── Affinity Map ── */
.affinity-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-bottom: 2rem;
}
.affinity-col { display: flex; flex-direction: column; gap: 0.6rem; }
.affinity-header {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  margin-bottom: 0.25rem;
}
.user-needs { background: #d1fae5; color: #065f46; }
.recurring-problems { background: #fee2e2; color: #991b1b; }
.opportunities { background: #e0f2fe; color: #075985; }

.affinity-tag {
  font-size: 0.82rem;
  padding: 0.6rem 0.85rem;
  border-radius: 8px;
  line-height: 1.45;
  font-weight: 500;
}
.user-needs-tag { background: #d1fae5; color: #065f46; }
.recurring-tag { background: #fee2e2; color: #991b1b; }
.opportunities-tag { background: #e0f2fe; color: #075985; }

.insight-box {
  background: var(--green-light);
  border: 1px solid #bbf7d0;
  border-left: 4px solid var(--green);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-top: 1.5rem;
}
.insight-box h4 { font-size: 0.9rem; font-weight: 700; color: var(--green-dark); margin-bottom: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em; }

/* ── Lit Cards ── */
.lit-card { position: relative; padding-top: 1.75rem; }
.lit-number {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--border);
  line-height: 1;
}

/* ── Value Prop ── */
.value-prop-box {
  background: linear-gradient(135deg, var(--green-light), #dcfce7);
  border: 1px solid #bbf7d0;
  border-radius: var(--radius);
  padding: 2rem 2.5rem;
  margin: 2rem 0 3rem;
  text-align: center;
}
.value-prop-text {
  font-family: "DM Serif Display", Georgia, serif;
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  color: #14532d;
  line-height: 1.55;
  font-style: italic;
}

/* ── Features ── */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.feature-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem;
  box-shadow: var(--shadow);
  transition: transform 0.15s, box-shadow 0.15s;
}
.feature-item:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.feature-icon { font-size: 1.75rem; margin-bottom: 0.65rem; }
.feature-item h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 0.35rem; }
.feature-item p { font-size: 0.85rem; color: var(--muted); line-height: 1.55; }

/* ── User Flow Steps ── */
.flow-steps {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  flex-wrap: wrap;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}
.flow-step {
  flex: 1;
  min-width: 120px;
  text-align: center;
}
.flow-num {
  width: 36px;
  height: 36px;
  background: var(--green);
  color: #14532d;
  font-weight: 800;
  font-size: 0.9rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.6rem;
}
.flow-step h4 { font-size: 0.9rem; font-weight: 700; margin-bottom: 0.3rem; }
.flow-step p { font-size: 0.78rem; color: var(--muted); line-height: 1.45; }
.flow-arrow { font-size: 1.25rem; color: #d1d5db; padding-top: 10px; }

/* ── Phone Mockups (hi-fi recreation) ── */
.phone-flow {
  display: flex;
  gap: 1.75rem;
  overflow-x: auto;
  padding: 2rem 0.5rem 2.5rem;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}
.phone-flow::-webkit-scrollbar { height: 8px; }
.phone-flow::-webkit-scrollbar-thumb { background: #d1d5db; border-radius: 999px; }
.phone-flow::-webkit-scrollbar-track { background: transparent; }

.phone {
  flex: 0 0 auto;
  width: 260px;
  height: 540px;
  background: #0b0f0a;
  border-radius: 34px;
  padding: 12px 10px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.28), 0 0 0 9px #1c1c1e, 0 0 0 10px #2c2c2e;
  scroll-snap-align: center;
  position: relative;
  display: flex;
  flex-direction: column;
  font-size: 11px;
  color: #e8f0e0;
  overflow: hidden;
}
.phone-notch {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: 90px;
  height: 20px;
  background: #000;
  border-radius: 999px;
  z-index: 5;
}
.phone-screen {
  flex: 1;
  overflow: hidden;
  border-radius: 24px;
  background: linear-gradient(180deg, #0e120c 0%, #0a0d08 100%);
  padding: 34px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.phone-label {
  text-align: center;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  margin-top: 0.85rem;
}
.phone-wrap { flex: 0 0 auto; display: flex; flex-direction: column; align-items: center; }

/* Screen primitives */
.ps-title { font-size: 15px; font-weight: 700; color: #fff; line-height: 1.2; }
.ps-sub { font-size: 10px; color: #8a9580; margin-top: 2px; }
.ps-lime { color: #b4f23a; }
.ps-progressbar { height: 4px; background: #1e2618; border-radius: 999px; overflow: hidden; margin-bottom: 4px; }
.ps-progressbar > span { display: block; height: 100%; background: #b4f23a; border-radius: 999px; }

.ps-option {
  background: #131810;
  border: 1px solid #222c1a;
  border-radius: 12px;
  padding: 11px 12px;
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 11px;
  font-weight: 500;
  color: #d6e2c8;
}
.ps-option.sel {
  background: #1c2912;
  border-color: #b4f23a;
  color: #eaffce;
}
.ps-option .dot {
  width: 13px; height: 13px; border-radius: 50%;
  border: 1.5px solid #3a472c; flex: 0 0 auto;
}
.ps-option.sel .dot { border-color: #b4f23a; background: #b4f23a; }
.ps-option .oi { font-size: 14px; }

.ps-btn {
  margin-top: auto;
  background: #b4f23a;
  color: #14210a;
  font-weight: 700;
  font-size: 11px;
  text-align: center;
  padding: 11px;
  border-radius: 12px;
}

.ps-trophy {
  width: 60px; height: 60px; margin: 0 auto;
  background: #1c2912; border: 1.5px solid #b4f23a;
  border-radius: 16px; display: flex; align-items: center;
  justify-content: center; font-size: 28px;
}

.ps-row { display: flex; gap: 8px; }
.ps-stat {
  flex: 1; background: #131810; border: 1px solid #222c1a;
  border-radius: 12px; padding: 9px 8px; text-align: center;
}
.ps-stat b { font-size: 15px; color: #fff; display: block; }
.ps-stat span { font-size: 8.5px; color: #8a9580; }

.ps-section-h { font-size: 11px; font-weight: 700; color: #fff; }
.ps-card {
  background: #131810; border: 1px solid #222c1a;
  border-radius: 12px; padding: 10px;
}
.ps-card.featured {
  background: linear-gradient(135deg, #1c2912, #0f1709);
  border-color: #3a5018;
}
.ps-check {
  display: flex; align-items: center; gap: 8px;
  font-size: 10px; color: #c7d4b8; padding: 5px 0;
}
.ps-check .cb {
  width: 14px; height: 14px; border-radius: 5px;
  border: 1.5px solid #3a472c; flex: 0 0 auto;
  display: flex; align-items: center; justify-content: center;
  font-size: 9px; color: #14210a;
}
.ps-check.done .cb { background: #b4f23a; border-color: #b4f23a; }

.ps-foodrow {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 0; border-bottom: 1px solid #1a2113;
  font-size: 10px;
}
.ps-foodrow .ico {
  width: 22px; height: 22px; border-radius: 7px;
  background: #1c2912; display: flex; align-items: center;
  justify-content: center; font-size: 11px; flex: 0 0 auto;
}
.ps-foodrow .nm { flex: 1; color: #d6e2c8; }
.ps-foodrow .kc { color: #8a9580; font-size: 9px; }

.ps-bignum { font-size: 30px; font-weight: 800; color: #fff; line-height: 1; }
.ps-macros { display: flex; gap: 6px; }
.ps-macro {
  flex: 1; text-align: center; background: #131810;
  border: 1px solid #222c1a; border-radius: 9px; padding: 6px 2px;
}
.ps-macro b { font-size: 11px; display: block; }
.ps-macro span { font-size: 8px; color: #8a9580; }

.ps-bars { display: flex; align-items: flex-end; gap: 6px; height: 60px; }
.ps-bars .bar { flex: 1; background: #b4f23a; border-radius: 4px 4px 0 0; }
.ps-bars.orange .bar { background: #f59e42; }
.ps-streak {
  background: linear-gradient(135deg, #2a1a0e, #1a1109);
  border: 1px solid #5a3a18; border-radius: 12px;
  padding: 12px; text-align: center;
}
.ps-streak .big { font-size: 22px; font-weight: 800; color: #ff9d3c; }

.ps-nav {
  margin-top: auto; display: flex; justify-content: space-around;
  padding-top: 8px; border-top: 1px solid #1a2113;
}
.ps-nav span { font-size: 14px; opacity: 0.5; }
.ps-nav span.act { opacity: 1; }

.ps-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: linear-gradient(135deg, #b4f23a, #6fa018);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700; color: #14210a;
}

@media (max-width: 900px) {
  .phone-flow { gap: 1.25rem; }
}

/* ── Storyboard (CSS recreation) ── */
.storyboard {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-bottom: 0.75rem;
}
.sb-panel {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  background: #fff;
}
.sb-scene {
  position: relative;
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 14px;
  overflow: hidden;
}
.sb-num {
  position: absolute;
  top: 10px; left: 10px;
  width: 24px; height: 24px;
  background: rgba(0,0,0,0.55);
  color: #fff; font-size: 0.72rem; font-weight: 700;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  z-index: 4;
}
.sb-bubble {
  position: absolute;
  background: #fff;
  border: 1.5px solid #1f2937;
  border-radius: 12px;
  padding: 7px 10px;
  font-size: 0.74rem;
  font-weight: 600;
  color: #111827;
  line-height: 1.3;
  max-width: 62%;
  z-index: 3;
  box-shadow: 0 2px 6px rgba(0,0,0,0.12);
}
.sb-bubble::after {
  content: "";
  position: absolute;
  bottom: -8px; left: 20px;
  border-width: 8px 7px 0;
  border-style: solid;
  border-color: #1f2937 transparent transparent;
}
.sb-bubble.tl { top: 12px; left: 12px; }
.sb-bubble.tr { top: 12px; right: 12px; }
.sb-bubble.tr::after { left: auto; right: 20px; }
.sb-actor {
  font-size: 2.6rem;
  line-height: 1;
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 3px 4px rgba(0,0,0,0.25));
}
.sb-actor.left { margin-right: auto; }
.sb-actor.right { margin-left: auto; }
.sb-phone-prop {
  font-size: 3.4rem;
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 3px 5px rgba(0,0,0,0.3));
}
.sb-cap {
  font-size: 0.8rem;
  color: #374151;
  padding: 0.7rem 0.85rem;
  background: #f9fafb;
  border-top: 1px solid var(--border);
  line-height: 1.4;
}
/* scene backgrounds */
.scene-room { background: linear-gradient(160deg, #6d5b8e 0%, #4b3f63 100%); }
.scene-city {
  background: linear-gradient(180deg, #8fd3f4 0%, #c6e6f5 55%, #9fb89a 55%, #7ea177 100%);
}
.scene-city::before {
  content: "";
  position: absolute;
  bottom: 38%; left: 0; right: 0; height: 34%;
  background:
    repeating-linear-gradient(90deg, #94a3b8 0 14px, #b0bcc9 14px 28px);
  opacity: 0.65;
  z-index: 1;
}
.scene-street { background: linear-gradient(180deg, #bcd6ea 0%, #d6e4ef 50%, #c2b4a0 50%, #a8997f 100%); }
.scene-street::before {
  content: "";
  position: absolute;
  bottom: 42%; left: 0; right: 0; height: 26%;
  background: repeating-linear-gradient(90deg, #b08968 0 22px, #9c7a5c 22px 44px);
  opacity: 0.5; z-index: 1;
}
.scene-patio {
  background: linear-gradient(180deg, #c9a27a 0%, #b5895f 40%, #8c6f54 100%);
}
.scene-patio::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; height: 18%;
  background: repeating-linear-gradient(90deg, #6b5037 0 30px, #7d5f43 30px 60px);
  z-index: 1;
}

/* ── User Journey Map (CSS recreation) ── */
.jmap-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  margin-bottom: 0.75rem;
}
.jmap {
  min-width: 820px;
  display: grid;
  grid-template-columns: 130px repeat(4, 1fr);
  background: #fff;
}
.jm-corner { background: #fff; }
.jm-phase {
  padding: 0.9rem 0.85rem;
  border-left: 1px solid var(--border);
  border-bottom: 2px solid var(--border);
}
.jm-phase .ph-num {
  font-size: 0.62rem; font-weight: 700; letter-spacing: 0.1em;
  color: var(--muted); text-transform: uppercase;
}
.jm-phase .ph-name { font-size: 0.95rem; font-weight: 700; color: #111827; margin-top: 2px; }
.jm-rowlabel {
  padding: 0.85rem;
  font-size: 0.62rem; font-weight: 800; letter-spacing: 0.08em;
  text-transform: uppercase; color: #6b7280;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
}
.jm-cell {
  padding: 0.85rem;
  border-left: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  font-size: 0.78rem;
  color: #374151;
  line-height: 1.4;
}
.jm-cell.task { font-weight: 600; color: #111827; }
.jm-cell ul { list-style: none; padding: 0; margin: 0; }
.jm-cell li { position: relative; padding-left: 0.8rem; margin-bottom: 0.3rem; }
.jm-cell li::before { content: "·"; position: absolute; left: 0; color: var(--green-dark); font-weight: 700; }

/* Feeling band */
.jm-feeling {
  grid-column: 2 / -1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(3, 56px);
  position: relative;
  border-bottom: 1px solid var(--border);
}
.jm-band { grid-column: 1 / -1; z-index: 0; }
.jm-band.g { grid-row: 1; background: #bbf7d0; }
.jm-band.y { grid-row: 2; background: #fde68a; }
.jm-band.r { grid-row: 3; background: #fca5a5; }
.fbox {
  z-index: 1;
  align-self: center;
  margin: 4px 8px;
  background: #fff;
  border-radius: 8px;
  padding: 6px 8px;
  font-size: 0.68rem;
  font-weight: 600;
  line-height: 1.3;
  box-shadow: 0 1px 4px rgba(0,0,0,0.12);
}
.fbox.g { border: 1.5px solid #16a34a; color: #14532d; }
.fbox.y { border: 1.5px solid #d97706; color: #78350f; }
.fbox.r { border: 1.5px solid #dc2626; color: #7f1d1d; }
.jm-feel-label {
  border-bottom: 1px solid var(--border);
  background: #fff;
}

/* ── Prototype images ── */
.prototype-img-container {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  margin-bottom: 0.75rem;
}
.prototype-img { width: 100%; object-fit: contain; }
.img-caption { font-size: 0.8rem; color: var(--muted); text-align: center; padding: 0.6rem 1rem; background: #f9fafb; border-top: 1px solid var(--border); }

/* ── Design Rationale ── */
.rationale-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.rationale-item {
  padding: 1.5rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.rationale-item h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.6rem; color: var(--text); }
.rationale-item p { font-size: 0.88rem; color: #374151; line-height: 1.7; }

/* ── Placeholder ── */
.placeholder-block {
  border: 2px dashed #d1d5db;
  border-radius: var(--radius);
  padding: 3.5rem 2rem;
  text-align: center;
  background: #f9fafb;
}
.placeholder-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.placeholder-block h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.5rem; color: var(--muted); }
.placeholder-block p { color: var(--muted); font-size: 0.9rem; }

/* ── Reflection ── */
.reflection-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.reflection-item {
  padding: 1.75rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.reflection-num {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--green-dark);
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}
.reflection-item h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.6rem; }
.reflection-item p { font-size: 0.88rem; color: #374151; line-height: 1.7; }

/* ── References ── */
.reference-list {
  padding-left: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  max-width: 780px;
}
.reference-list li { font-size: 0.9rem; color: #374151; line-height: 1.7; }
.reference-list em { font-style: italic; }

/* ── Footer ── */
.footer {
  background: #0f172a;
  color: #64748b;
  padding: 2rem;
  text-align: center;
  font-size: 0.82rem;
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .two-col, .three-col, .feature-grid, .rationale-grid, .reflection-grid { grid-template-columns: 1fr; }
  .affinity-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .flow-steps { flex-direction: column; align-items: center; }
  .flow-arrow { transform: rotate(90deg); }
}