/* ============================================================
   Hermes x Sectors — Course Materials
   style.css
   ============================================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=DM+Mono:ital,wght@0,300;0,400;0,500;1,300;1,400&family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,600;1,9..144,300;1,9..144,400;1,9..144,600&family=Press+Start+2P&display=swap');

/* ============================================================
   CSS Custom Properties
   ============================================================ */

:root,
[data-theme="dark"] {
  --bg: #1a1712;
  --bg2: #24201a;
  --bg3: #322c22;
  --border: #443c2c;
  --border2: #5a5038;
  --text: #f2ead9;
  --text2: #cabfa4;
  --text3: #948870;
  --accent: #b8d3ac;
  --accent2: #9dbb90;
  --accent-dim: rgba(184,211,172,0.14);
  --accent-dim2: rgba(184,211,172,0.24);
  --pink: #d99a74;
  --amber: #e0c07c;
  --blue: #92bcbf;
  --nav-bg: rgba(26,23,18,0.92);

  --mono: 'DM Mono', monospace;
  --serif: 'Fraunces', serif;
  --pixel: 'Press Start 2P', monospace;
}

[data-theme="light"] {
  --bg: #fdf3e7;
  --bg2: #f5e7d2;
  --bg3: #e4d6c3;
  --border: #d6c6ac;
  --border2: #c0ac8a;
  --text: #3a3126;
  --text2: #6b5b4d;
  --text3: #8a9587;
  --accent: #6e8566;
  --accent2: #56684f;
  --accent-dim: rgba(110,133,102,0.12);
  --accent-dim2: rgba(110,133,102,0.22);
  --pink: #b06a4a;
  --amber: #b08f3e;
  --blue: #4f7a80;
  --nav-bg: rgba(253,243,231,0.94);
}

/* ============================================================
   Reset & Base
   ============================================================ */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.7;
  background: var(--bg);
  color: var(--text);
  transition: background 0.25s ease, color 0.25s ease;
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--amber);
}

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

/* ============================================================
   Typography
   ============================================================ */

h1, h2 {
  font-family: var(--serif);
  font-weight: 300;
  line-height: 1.2;
}

h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
h3 {
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

p { margin-bottom: 1rem; text-align: justify; text-justify: inter-word; hyphens: none; }
p:last-child { margin-bottom: 0; }

.section-intro,
.page-header-desc,
.hero-subtitle,
.arch-item-desc,
.competency-text,
.tool-compare-desc,
.install-step-desc,
.activity-card-desc,
.topic-content p,
.capability-body p,
.notice,
.info-box {
  text-align: justify;
  text-justify: inter-word;
  hyphens: none;
}

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

/* ============================================================
   Utility
   ============================================================ */

.pink { color: var(--pink); }
.pink-bg { background: var(--pink); }
.amber { color: var(--amber); }
.blue { color: var(--blue); }

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container--wide {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ============================================================
   Navigation
   ============================================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--nav-bg);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 0;
  height: 52px;
  padding: 0 1.25rem;
  max-width: 1440px;
  margin: 0 auto;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  flex-shrink: 0;
  margin-right: 0.85rem;
}

.nav-brand-icon {
  width: 26px;
  height: 26px;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--pixel);
  font-size: 10px;
  color: var(--bg);
  flex-shrink: 0;
  border-radius: 2px;
}

.nav-brand-text {
  font-family: var(--pixel);
  font-size: 11px;
  color: var(--text);
  line-height: 1.3;
  white-space: nowrap;
}

.nav-links-wrap {
  position: relative;
  display: flex;
  align-items: center;
  flex: 1;
  min-width: 0;
  overflow: hidden;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  width: 100%;
  padding-inline: 26px;
  overflow-x: auto;
  scrollbar-width: none;
  scroll-padding-inline: 30px;
}

.nav-links::-webkit-scrollbar { display: none; }

/* Soft edge fade, purely a visual hint, separate from the button */
.nav-links-wrap::before,
.nav-links-wrap::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 22px;
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.15s;
}

.nav-links-wrap::before { left: 0; background: linear-gradient(to right, var(--nav-bg), transparent); }
.nav-links-wrap::after { right: 0; background: linear-gradient(to left, var(--nav-bg), transparent); }
.nav-links-wrap.show-left::before { opacity: 1; }
.nav-links-wrap.show-right::after { opacity: 1; }

/* The actual button, small and circular, centered vertically */
.nav-scroll-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: none;
  padding: 0;
  cursor: pointer;
  z-index: 3;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s;
}

.nav-scroll-arrow--left { left: 2px; }
.nav-scroll-arrow--right { right: 2px; }

.nav-scroll-arrow.visible {
  opacity: 1;
  pointer-events: auto;
}

.nav-scroll-arrow-icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg2);
  border: 1px solid var(--border2);
  color: var(--text);
  font-size: 13px;
  line-height: 1;
  box-shadow: 0 1px 3px rgba(0,0,0,0.35);
}

.nav-link {
  font-size: 0.63rem;
  font-weight: 400;
  color: var(--text3);
  text-decoration: none;
  padding: 0.35rem 0.6rem;
  border-radius: 4px;
  white-space: nowrap;
  transition: color 0.2s, background 0.2s;
  letter-spacing: 0.02em;
}

.nav-link:hover {
  color: var(--text);
  background: var(--accent-dim);
}

.nav-link.active {
  color: var(--accent);
  background: var(--accent-dim2);
}

.nav-link .nav-num {
  font-family: var(--pixel);
  font-size: 7px;
  color: var(--accent);
  margin-right: 0.22rem;
  vertical-align: middle;
}

@media (max-width: 1300px) {
  .nav-links { gap: 0.15rem; }
  .nav-link { font-size: 0.6rem; padding: 0.32rem 0.4rem; }
}

/* Theme Toggle */
.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--text2);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  flex-shrink: 0;
  margin-left: auto;
  transition: color 0.2s, background 0.2s;
}

.theme-toggle:hover {
  color: var(--text);
  background: var(--accent-dim);
}

.theme-toggle svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  display: block;
}

/* ============================================================
   Hero
   ============================================================ */

.hero {
  padding: 7rem 0 4.5rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, var(--accent-dim2) 0%, transparent 70%);
  pointer-events: none;
}

.hero-tag {
  display: inline-block;
  font-family: var(--pixel);
  font-size: 10px;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--accent);
  border-radius: 3px;
}

.hero h1 {
  margin-bottom: 1.25rem;
  color: var(--text);
}

.hero h1 em {
  font-style: italic;
  color: var(--accent);
}

.hero-subtitle {
  font-size: 1rem;
  color: var(--text2);
  max-width: 640px;
  margin: 0 auto 2rem;
  line-height: 1.75;
}

.hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  color: var(--text3);
}

.hero-meta-item::before {
  content: '—';
  color: var(--accent);
  font-weight: 500;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ============================================================
   Buttons
   ============================================================ */

.btn-icon {
  flex-shrink: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.4rem;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 500;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.04em;
}

.btn-gold {
  background: var(--accent);
  color: var(--bg);
}

.btn-gold:hover {
  background: var(--amber);
  color: var(--bg);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border2);
  color: var(--text2);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

.btn-blue {
  background: var(--blue);
  color: var(--bg);
}

.btn-blue:hover {
  opacity: 0.85;
  color: var(--bg);
}

/* ============================================================
   Page Header (Module pages)
   ============================================================ */

.page-header {
  padding: 6.5rem 0 3rem;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 20% 50%, var(--accent-dim) 0%, transparent 70%);
  pointer-events: none;
}

.page-header-inner {
  position: relative;
  z-index: 1;
}

.page-header-eyebrow {
  font-family: var(--pixel);
  font-size: 9px;
  color: var(--accent);
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.page-header-eyebrow span {
  color: var(--text3);
}

.page-header h1 {
  margin-bottom: 0.9rem;
  max-width: 720px;
}

.page-header-desc {
  font-size: 0.95rem;
  color: var(--text2);
  line-height: 1.75;
}

.page-header-actions {
  margin-top: 1.5rem;
}

/* ============================================================
   Section
   ============================================================ */

.section {
  padding: 3.5rem 0;
  border-bottom: 1px solid var(--border);
}

.section:last-of-type {
  border-bottom: none;
}

.section-label {
  font-family: var(--pixel);
  font-size: 8px;
  color: var(--accent);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
  max-width: 80px;
}

.section h2 {
  margin-bottom: 1.25rem;
}

.section-intro {
  font-size: 0.95rem;
  color: var(--text2);
  margin-bottom: 2rem;
  line-height: 1.75;
}

/* ============================================================
   Objectives
   ============================================================ */

.objectives {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  padding: 1.5rem 1.75rem;
  margin-bottom: 2.5rem;
}

.objectives-title {
  font-family: var(--pixel);
  font-size: 8px;
  color: var(--accent);
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
}

.objectives ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.objectives ul li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.88rem;
  color: var(--text2);
  line-height: 1.6;
}

.objectives ul li::before {
  content: '→';
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 0.05rem;
}

/* ============================================================
   Topic Item
   ============================================================ */

.topic-item {
  display: flex;
  gap: 1rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
}

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

.topic-num {
  font-family: var(--pixel);
  font-size: 8px;
  color: var(--accent);
  flex-shrink: 0;
  padding-top: 0.2rem;
  min-width: 1.5rem;
}

.topic-content h3 {
  font-family: var(--mono);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  text-transform: none;
  letter-spacing: normal;
  margin-bottom: 0.3rem;
}

.topic-content p {
  font-size: 0.85rem;
  color: var(--text2);
  margin: 0;
}

/* ============================================================
   Learning Path Table
   ============================================================ */

.lp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
}

.lp-table thead tr {
  background: var(--bg3);
  border-bottom: 1px solid var(--border2);
}

.lp-table th {
  text-align: left;
  padding: 0.65rem 1rem;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text3);
}

.lp-table tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}

.lp-table tbody tr:hover {
  background: var(--accent-dim);
}

.lp-table td {
  padding: 0.8rem 1rem;
  color: var(--text2);
  vertical-align: top;
}

.lp-table td:first-child {
  font-family: var(--pixel);
  font-size: 8px;
  color: var(--accent);
  white-space: nowrap;
}

.lp-table td a {
  color: var(--text);
  font-weight: 500;
}

.lp-table td a:hover { color: var(--accent); }

.duration-badge {
  display: inline-block;
  font-size: 0.7rem;
  padding: 0.2rem 0.55rem;
  background: var(--accent-dim2);
  color: var(--accent);
  border-radius: 3px;
  white-space: nowrap;
}

/* ============================================================
   Module Grid & Cards
   ============================================================ */

.module-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

@media (max-width: 600px) {
  .module-grid { grid-template-columns: 1fr; }
}

.module-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem 1.4rem;
  text-decoration: none;
  display: block;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
  position: relative;
  overflow: hidden;
}

.module-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.module-card:hover {
  border-color: var(--border2);
  background: var(--bg3);
  transform: translateY(-2px);
  color: var(--text);
}

.module-card:hover::before {
  transform: scaleX(1);
}

.module-card-num {
  font-family: var(--pixel);
  font-size: 8px;
  color: var(--accent);
  margin-bottom: 0.6rem;
}

.module-card-title {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 0.4rem;
}

.module-card-desc {
  font-size: 0.78rem;
  color: var(--text3);
  line-height: 1.5;
}

.module-card-arrow {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  color: var(--accent);
  font-size: 1rem;
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 0.2s, transform 0.2s;
}

.module-card:hover .module-card-arrow {
  opacity: 1;
  transform: translateX(0);
}

/* ============================================================
   Competency List
   ============================================================ */

.competency-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.competency-item {
  display: flex;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 6px;
  align-items: flex-start;
  transition: border-color 0.2s;
}

.competency-item:hover {
  border-color: var(--border2);
}

.competency-num {
  font-family: var(--pixel);
  font-size: 8px;
  color: var(--accent);
  flex-shrink: 0;
  padding-top: 0.15rem;
  min-width: 1.75rem;
}

.competency-text {
  font-size: 0.88rem;
  color: var(--text2);
  line-height: 1.65;
}

.competency-text strong {
  color: var(--text);
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.9rem;
}

/* ============================================================
   Info Box & Notice
   ============================================================ */

.info-box {
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  border-radius: 6px;
  padding: 1rem 1.25rem;
  font-size: 0.85rem;
  color: var(--text2);
  margin: 1.25rem 0;
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  line-height: 1.6;
}

.info-box-icon {
  color: var(--accent);
  flex-shrink: 0;
  font-size: 0.8rem;
  margin-top: 0.05rem;
}

.notice {
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: 6px;
  padding: 1rem 1.25rem;
  font-size: 0.85rem;
  color: var(--text2);
  margin: 1.25rem 0;
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  line-height: 1.6;
}

.notice--amber {
  background: rgba(232,184,74,0.08);
  border-color: var(--amber);
}

.notice--amber .notice-icon { color: var(--amber); }

.notice-icon {
  color: var(--text3);
  flex-shrink: 0;
  font-size: 0.8rem;
  margin-top: 0.2rem;
  line-height: 1;
}

/* ============================================================
   Page Nav (prev/next)
   ============================================================ */

.page-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

.page-nav-link {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  text-decoration: none;
  padding: 0.85rem 1.2rem;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 6px;
  min-width: 160px;
  flex: 1;
  max-width: 280px;
  transition: border-color 0.2s, background 0.2s;
}

.page-nav-link:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.page-nav-link--next { text-align: right; margin-left: auto; }

.page-nav-label {
  font-size: 0.68rem;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.page-nav-title {
  font-size: 0.88rem;
  color: var(--accent);
  font-weight: 500;
}

/* ============================================================
   Footer
   ============================================================ */

.footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  text-align: center;
}

.footer-text {
  font-size: 0.78rem;
  color: var(--text3);
  margin-bottom: 0.5rem;
}

.footer-notice {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.72rem;
  color: var(--text3);
}

.footer-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--amber);
  display: inline-block;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* ============================================================
   Code Block & Inline Code
   ============================================================ */

.code-block {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.1rem 1.25rem;
  margin: 1rem 0;
  overflow-x: auto;
}

.code-block pre {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--text);
  white-space: pre-wrap;
  word-wrap: break-word;
  overflow-wrap: break-word;
  line-height: 1.7;
}

.code-block-label {
  font-family: var(--pixel);
  font-size: 8px;
  color: var(--text3);
  letter-spacing: 0.1em;
  margin-bottom: 0.6rem;
}

.code-block--prompt {
  background: var(--accent-dim);
  border: 1.5px solid var(--accent);
}

.code-block--prompt .code-block-label {
  color: var(--accent);
}

code, .inline-code {
  font-family: var(--mono);
  font-size: 0.82em;
  background: var(--bg3);
  color: var(--accent);
  padding: 0.15em 0.4em;
  border-radius: 3px;
  border: 1px solid var(--border);
}

/* ============================================================
   Install Steps
   ============================================================ */

.install-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 1.5rem 0;
  position: relative;
}

.install-step {
  display: flex;
  gap: 1.25rem;
  position: relative;
  padding-bottom: 1.75rem;
}

.install-step:last-child { padding-bottom: 0; }

.install-step-line {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}

.install-step-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-dim2);
  border: 2px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--pixel);
  font-size: 8px;
  color: var(--accent);
  flex-shrink: 0;
  z-index: 1;
}

.install-step-connector {
  width: 2px;
  flex: 1;
  background: var(--border);
  margin-top: 4px;
}

.install-step:last-child .install-step-connector { display: none; }

.install-step-body {
  flex: 1;
  padding-top: 0.2rem;
}

.install-step-title {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 0.4rem;
}

.install-step-desc {
  font-size: 0.84rem;
  color: var(--text2);
  line-height: 1.6;
  margin-bottom: 0.5rem;
}

/* ============================================================
   Activity Card
   ============================================================ */

.activity-cards {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin: 1.25rem 0;
}

.activity-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.1rem 1.35rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  transition: border-color 0.2s;
}

.activity-card:hover { border-color: var(--border2); }

.activity-card-num {
  font-family: var(--pixel);
  font-size: 8px;
  color: var(--accent);
  flex-shrink: 0;
  min-width: 1.5rem;
  padding-top: 0.15rem;
}

.activity-card-content {
  flex: 1;
}

.activity-card-prompt {
  font-size: 0.9rem;
  color: var(--text);
  font-weight: 500;
  margin-bottom: 0.3rem;
}

.activity-card-desc {
  font-size: 0.82rem;
  color: var(--text2);
  line-height: 1.55;
}

/* ============================================================
   Capability List
   ============================================================ */

.capability-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.capability-item {
  display: flex;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}

.capability-item:first-child { padding-top: 0; }
.capability-item:last-child { border-bottom: none; padding-bottom: 0; }

.capability-icon {
  width: 32px;
  height: 32px;
  background: var(--accent-dim2);
  border: 1px solid var(--accent);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--pixel);
  font-size: 8px;
  color: var(--accent);
  flex-shrink: 0;
}

.capability-body h3 {
  font-family: var(--mono);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text);
  text-transform: none;
  letter-spacing: normal;
  margin-bottom: 0.25rem;
}

.capability-body p {
  font-size: 0.83rem;
  color: var(--text2);
  line-height: 1.6;
  margin: 0;
}

/* ============================================================
   Detail Aside (collapsible secondary explanation)
   ============================================================ */

.detail-aside {
  margin: 1rem 0;
}

.detail-aside summary {
  cursor: pointer;
  list-style: none;
  font-size: 0.82rem;
  color: var(--text2);
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.65rem 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.detail-aside summary::-webkit-details-marker { display: none; }

.detail-aside summary::before {
  content: "+";
  color: var(--text3);
  font-family: var(--mono);
  flex-shrink: 0;
}

.detail-aside[open] summary::before { content: "−"; }

.detail-aside[open] summary {
  border-radius: 6px 6px 0 0;
  border-bottom: none;
}

.detail-aside-content {
  font-size: 0.82rem;
  color: var(--text3);
  line-height: 1.7;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 6px 6px;
  text-align: justify;
  text-justify: inter-word;
}

/* ============================================================
   Diagram (SVG flow/architecture visuals)
   ============================================================ */

.diagram-wrap {
  margin: 1.5rem 0;
  padding: 1.25rem;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow-x: auto;
}

.diagram-wrap svg {
  display: block;
  margin: 0 auto;
  max-width: 100%;
  height: auto;
}

/* ============================================================
   Arch List (process/flow list)
   ============================================================ */

.arch-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 1.25rem 0;
  position: relative;
}

.arch-item {
  display: flex;
  gap: 1.1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}

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

.arch-item-bullet {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  margin-top: 0.45rem;
}

.arch-item-body {
  flex: 1;
}

.arch-item-title {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.arch-item-desc {
  font-size: 0.84rem;
  color: var(--text2);
  line-height: 1.6;
  margin: 0;
}

/* ============================================================
   Tool Compare
   ============================================================ */

.tool-compare {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin: 1.25rem 0;
}

.tool-compare-item {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 6px;
  align-items: start;
  transition: border-color 0.2s;
}

.tool-compare-item:hover { border-color: var(--border2); }

.tool-compare-item--highlight {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.tool-compare-item--highlight:hover {
  border-color: var(--accent2);
}

.tool-compare-name {
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tool-compare-name .highlight-badge {
  font-family: var(--pixel);
  font-size: 7px;
  padding: 0.2rem 0.4rem;
  background: var(--accent);
  color: var(--bg);
  border-radius: 2px;
}

.tool-compare-desc {
  font-size: 0.84rem;
  color: var(--text2);
  line-height: 1.6;
  margin: 0;
}

@media (max-width: 560px) {
  .tool-compare-item {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   Prompt Example
   ============================================================ */

.prompt-examples {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin: 1.25rem 0;
}

.prompt-example {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-left: 3px solid var(--blue);
  border-radius: 4px;
  padding: 0.85rem 1.1rem;
  font-size: 0.88rem;
  color: var(--text);
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  line-height: 1.6;
}

.prompt-example-icon {
  color: var(--blue);
  flex-shrink: 0;
  font-size: 0.75rem;
  margin-top: 0.05rem;
}

/* ============================================================
   Step List (numbered)
   ============================================================ */

.step-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  list-style: none;
  margin: 1rem 0;
}

.step-list li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  font-size: 0.87rem;
  color: var(--text2);
  line-height: 1.65;
}

.step-list li .step-n {
  font-family: var(--pixel);
  font-size: 8px;
  color: var(--accent);
  flex-shrink: 0;
  min-width: 1.5rem;
  padding-top: 0.15rem;
}

/* ============================================================
   Content List (generic)
   ============================================================ */

.content-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin: 1rem 0;
}

.content-list li {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  font-size: 0.87rem;
  color: var(--text2);
  line-height: 1.65;
}

.content-list li::before {
  content: '·';
  color: var(--accent);
  flex-shrink: 0;
  font-size: 1.2rem;
  line-height: 1.3;
}

/* ============================================================
   Comparison Table (general)
   ============================================================ */

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
  margin: 1.25rem 0;
}

.compare-table th {
  background: var(--bg3);
  padding: 0.6rem 1rem;
  text-align: left;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text3);
  border-bottom: 1px solid var(--border2);
}

.compare-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text2);
  vertical-align: top;
}

.compare-table tbody tr:last-child td { border-bottom: none; }
.compare-table tbody tr:hover { background: var(--accent-dim); }

.compare-table td:first-child {
  color: var(--text3);
  font-size: 0.8rem;
  white-space: nowrap;
}

.compare-table td strong { color: var(--text); }

.compare-table .row-highlight td {
  background: var(--accent-dim);
}

.compare-table .row-highlight td:first-child { color: var(--accent); font-weight: 500; }

/* ============================================================
   Chatbot vs Agent small table
   ============================================================ */

.simple-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  margin: 1.25rem 0;
}

.simple-table th {
  background: var(--bg3);
  padding: 0.55rem 0.9rem;
  text-align: left;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text3);
  border-bottom: 1px solid var(--border);
}

.simple-table td {
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--border);
  color: var(--text2);
}

.simple-table tbody tr:last-child td { border-bottom: none; }
.simple-table tbody tr:hover { background: var(--accent-dim); }

.simple-table td:first-child { color: var(--text3); font-size: 0.8rem; }

/* ============================================================
   Fade-up animation
   ============================================================ */

.fade-up {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.55s ease forwards;
}

.fade-up:nth-child(1) { animation-delay: 0.05s; }
.fade-up:nth-child(2) { animation-delay: 0.1s; }
.fade-up:nth-child(3) { animation-delay: 0.15s; }
.fade-up:nth-child(4) { animation-delay: 0.2s; }
.fade-up:nth-child(5) { animation-delay: 0.25s; }
.fade-up:nth-child(6) { animation-delay: 0.3s; }
.fade-up:nth-child(7) { animation-delay: 0.35s; }
.fade-up:nth-child(8) { animation-delay: 0.4s; }

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   Scrollbar Styling
   ============================================================ */

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text3); }

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 768px) {
  .nav-brand-text { display: none; }
  .nav-link { font-size: 0.58rem; padding: 0.3rem 0.28rem; }
  .hero { padding: 5.5rem 0 3rem; }
  .page-header { padding: 5.5rem 0 2rem; }
  .section { padding: 2.5rem 0; }
  .module-grid { grid-template-columns: 1fr; }
  .lp-table { font-size: 0.78rem; }
  .lp-table th, .lp-table td { padding: 0.6rem 0.7rem; }
}

@media (max-width: 480px) {
  .hero-meta { gap: 0.75rem; }
  .page-nav { flex-direction: column; }
  .page-nav-link { max-width: 100%; }
}