@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400;1,600&family=Source+Serif+4:ital,opsz,wght@0,8..60,300;0,8..60,400;0,8..60,500;1,8..60,300;1,8..60,400&family=DM+Sans:wght@300;400;500;600&display=swap');

/* ── VARIABLES ───────────────────────────────────────────── */
:root {
  --navy:       #0D2244;
  --navy-mid:   #162E5A;
  --navy-light: #1E3D70;
  --gold:       #C9A84C;
  --gold-light: #E3C97A;
  --gold-pale:  #F5EDD4;
  --cream:      #FAF8F3;
  --white:      #FFFFFF;
  --text:       #1A1A2E;
  --text-mid:   #3D4A6A;
  --text-light: #6B7A9A;
}

/* ── RESET ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Source Serif 4', Georgia, serif;
  font-weight: 300;
  font-size: 17px;
  line-height: 1.8;
  color: var(--text);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
}

/* ── BUTTONS — unified system ────────────────────────────── */
/* Primary: gold fill — used for all main CTAs */
.btn-primary,
.cta-btn,
.nav-cta {
  display: inline-block;
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--navy);
  background: var(--gold);
  padding: 13px 28px;
  border-radius: 2px;
  text-decoration: none;
  border: 2px solid var(--gold);
  transition: background 0.22s, border-color 0.22s, color 0.22s;
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary:hover,
.cta-btn:hover,
.nav-cta:hover { background: var(--gold-light); border-color: var(--gold-light); color: var(--navy); }

/* Nav CTA — slightly compact for 56px header */
.nav-cta { padding: 9px 18px; font-size: 10px; }

/* Secondary: ghost outline — used alongside a primary CTA */
.btn-secondary {
  display: inline-block;
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,.6);
  background: transparent;
  padding: 13px 28px;
  border-radius: 2px;
  border: 2px solid rgba(255,255,255,.2);
  text-decoration: none;
  transition: border-color 0.22s, color 0.22s;
}
.btn-secondary:hover { border-color: var(--gold); color: var(--gold); }

/* ── COVER ───────────────────────────────────────────────── */
.cover {
  background: var(--navy);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 80px 10vw;
}
.cover-bg {
  position: absolute;
  inset: 0;
  opacity: .06;
  background-image:
    radial-gradient(ellipse 60% 60% at 80% 20%, #C9A84C 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 10% 80%, #3D6FCC 0%, transparent 70%);
}
.cover-bg-text {
  position: absolute;
  right: -2vw;
  bottom: -5vh;
  font-family: 'Playfair Display', serif;
  font-size: clamp(120px, 20vw, 260px);
  font-weight: 700;
  color: rgba(255,255,255,.03);
  line-height: 1;
  user-select: none;
  letter-spacing: -4px;
}
.cover-series {
  font-family: 'DM Sans', sans-serif;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 40px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.cover-series::before { content: ''; display: block; width: 32px; height: 1px; background: var(--gold); }
.cover-part {
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  font-weight: 300;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,.35);
  margin-bottom: 16px;
}
.cover-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(42px, 6vw, 80px);
  font-weight: 600;
  color: var(--white);
  line-height: 1.08;
  margin-bottom: 16px;
}
.cover-title em { color: var(--gold-light); font-style: italic; }
.cover-subtitle {
  font-family: 'Source Serif 4', serif;
  font-size: clamp(15px, 1.6vw, 18px);
  font-weight: 300;
  color: rgba(255,255,255,.5);
  font-style: italic;
  max-width: 520px;
  margin-bottom: 56px;
  line-height: 1.72;
}
.cover-rule { width: 44px; height: 1px; background: var(--gold); margin-bottom: 56px; opacity: .7; }
.cover-meta {
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  font-weight: 300;
  color: rgba(255,255,255,.28);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

/* ── CHAPTER NAV ─────────────────────────────────────────── */
.chapter-nav {
  background: var(--navy);
  border-bottom: 1px solid rgba(255,255,255,.06);
  padding: 0 10vw;
  height: 50px;
  display: flex;
  align-items: center;
  gap: 28px;
  position: sticky;
  top: 0;
  z-index: 100;
  overflow-x: auto;
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.chapter-nav::-webkit-scrollbar { display: none; }
.chapter-nav a {
  font-family: 'DM Sans', sans-serif;
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255,255,255,.32);
  text-decoration: none;
  transition: color .2s;
  white-space: nowrap;
  flex-shrink: 0;
}
.chapter-nav a:hover { color: rgba(255,255,255,.75); }
.chapter-nav a.active { color: var(--gold); }
.nav-dot { width: 2px; height: 2px; border-radius: 50%; background: rgba(255,255,255,.15); flex-shrink: 0; }

/* ── PAGE LAYOUT ─────────────────────────────────────────── */
.page { max-width: 900px; margin: 0 auto; padding: 96px 40px; }

/* ── SECTION ELEMENTS ────────────────────────────────────── */
.section-opener { margin-bottom: 72px; }
.section-label {
  font-family: 'DM Sans', sans-serif;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-label::before { content: ''; display: block; width: 22px; height: 1px; background: var(--gold); }
.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(26px, 3.8vw, 44px);
  font-weight: 600;
  color: var(--navy);
  line-height: 1.12;
  margin-bottom: 20px;
}
.section-title em { font-style: italic; color: var(--navy-light); }
.section-intro {
  font-family: 'Source Serif 4', serif;
  font-size: 18px;
  font-weight: 300;
  font-style: italic;
  color: var(--text-mid);
  line-height: 1.75;
  border-left: 2px solid var(--gold);
  padding-left: 24px;
  margin-bottom: 40px;
}

/* ── BODY TEXT ───────────────────────────────────────────── */
.body-text p { font-size: 17px; font-weight: 300; line-height: 1.85; color: var(--text); margin-bottom: 22px; }
.body-text p:last-child { margin-bottom: 0; }
h2.sub {
  font-family: 'Playfair Display', serif;
  font-size: 24px;
  font-weight: 600;
  color: var(--navy);
  margin: 72px 0 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(201,168,76,.2);
}
h3.sub3 {
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold);
  margin: 40px 0 12px;
}

/* ── PULL QUOTE ──────────────────────────────────────────── */
.pull-quote {
  margin: 64px 0;
  padding: 36px 44px;
  background: var(--navy);
  border-radius: 2px;
  border-left: 3px solid var(--gold);
  position: relative;
  overflow: hidden;
}
.pull-quote::before {
  content: '\201C';
  position: absolute;
  top: -8px;
  left: 20px;
  font-family: 'Playfair Display', serif;
  font-size: 110px;
  color: rgba(201,168,76,.07);
  line-height: 1;
}
.pull-quote p {
  font-family: 'Playfair Display', serif;
  font-size: clamp(17px, 2vw, 22px);
  font-weight: 400;
  font-style: italic;
  color: var(--white);
  line-height: 1.55;
  position: relative;
  z-index: 1;
}
.pull-quote cite {
  display: block;
  font-family: 'DM Sans', sans-serif;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold);
  margin-top: 18px;
  font-style: normal;
}

/* ── CALLOUT ─────────────────────────────────────────────── */
.callout {
  background: var(--gold-pale);
  border-left: 3px solid var(--gold);
  padding: 24px 28px;
  margin: 40px 0;
  border-radius: 0 2px 2px 0;
}
.callout-label {
  font-family: 'DM Sans', sans-serif;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}
.callout p { font-size: 15px; font-weight: 400; line-height: 1.72; color: var(--navy); font-style: italic; }

/* ── REFLECTION ──────────────────────────────────────────── */
.reflection {
  background: rgba(13,34,68,.03);
  border: 1px solid rgba(13,34,68,.1);
  border-radius: 2px;
  padding: 28px 32px;
  margin: 48px 0;
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
.reflection-icon { width: 32px; height: 32px; flex-shrink: 0; margin-top: 2px; }
.reflection-label {
  font-family: 'DM Sans', sans-serif;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 8px;
}
.reflection p { font-size: 15px; font-style: italic; line-height: 1.72; color: var(--text-mid); }

/* ── SECTION DIVIDER ─────────────────────────────────────── */
.section-divider { display: flex; align-items: center; gap: 16px; margin: 80px 0; }
.section-divider::before, .section-divider::after { content: ''; flex: 1; height: 1px; background: rgba(201,168,76,.15); }
.divider-ornament { width: 5px; height: 5px; background: var(--gold); transform: rotate(45deg); flex-shrink: 0; opacity: .6; }

/* ── PAGE FOOTER ─────────────────────────────────────────── */
.page-footer {
  background: var(--navy);
  padding: 44px 10vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 120px;
  flex-wrap: wrap;
  gap: 20px;
  border-top: 1px solid rgba(255,255,255,.06);
}
.footer-title { font-family: 'Playfair Display', serif; font-size: 16px; font-weight: 600; color: var(--gold); }
.footer-nav { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.footer-nav a {
  font-family: 'DM Sans', sans-serif;
  font-size: 10px;
  font-weight: 400;
  color: rgba(255,255,255,.4);
  text-decoration: none;
  padding: 10px 20px;
  border: 2px solid rgba(255,255,255,.1);
  border-radius: 2px;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: color .22s, border-color .22s;
  white-space: nowrap;
}
.footer-nav a:hover { color: rgba(255,255,255,.75); border-color: rgba(255,255,255,.25); }
.footer-next {
  background: var(--gold) !important;
  color: var(--navy) !important;
  border-color: var(--gold) !important;
  font-weight: 600 !important;
}
.footer-next:hover {
  background: var(--gold-light) !important;
  border-color: var(--gold-light) !important;
  color: var(--navy) !important;
}

/* ── HOMEPAGE: SITE NAV ──────────────────────────────────── */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  background: rgba(13,34,68,.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0 8vw;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255,255,255,.05);
}
.nav-logo { font-family: 'Playfair Display', serif; font-size: 15px; font-weight: 600; color: var(--white); text-decoration: none; letter-spacing: .3px; display: flex; align-items: center; gap: 0; }
.nav-logo svg { margin-right: 8px; }
.nav-logo span { color: var(--gold); }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a:not(.nav-cta) {
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255,255,255,.4);
  text-decoration: none;
  transition: color .2s;
}
.nav-links a:not(.nav-cta):hover { color: rgba(255,255,255,.8); }

/* ── HOMEPAGE: HERO ──────────────────────────────────────── */
.hero {
  background: var(--navy);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px 8vw 100px;
  position: relative;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  opacity: .06;
  background-image:
    radial-gradient(ellipse 70% 70% at 80% 20%, #C9A84C 0%, transparent 65%),
    radial-gradient(ellipse 50% 50% at 10% 80%, #3D6FCC 0%, transparent 65%);
}
.hero-bg-word {
  position: absolute;
  right: -3vw;
  bottom: -4vh;
  font-family: 'Playfair Display', serif;
  font-size: clamp(100px, 18vw, 240px);
  font-weight: 700;
  color: rgba(255,255,255,.02);
  line-height: 1;
  user-select: none;
  letter-spacing: -4px;
}
.hero-content { position: relative; z-index: 1; max-width: 700px; }
.hero-eyebrow {
  font-family: 'DM Sans', sans-serif;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.hero-eyebrow::before { content: ''; display: block; width: 30px; height: 1px; background: var(--gold); }
.hero-title { font-family: 'Playfair Display', serif; font-size: clamp(36px, 6vw, 72px); font-weight: 600; color: var(--white); line-height: 1.08; margin-bottom: 16px; }
.hero-title em { color: var(--gold-light); font-style: italic; }
.hero-rule { width: 40px; height: 1px; background: var(--gold); margin: 30px 0; opacity: .7; }
.hero-sub { font-family: 'Source Serif 4', serif; font-size: clamp(15px, 1.6vw, 18px); font-weight: 300; font-style: italic; color: rgba(255,255,255,.52); line-height: 1.75; max-width: 500px; margin-bottom: 48px; }
.hero-actions { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.hero-audience { position: absolute; bottom: 52px; right: 8vw; z-index: 1; display: flex; flex-direction: column; align-items: flex-end; gap: 10px; }
.audience-label { font-family: 'DM Sans', sans-serif; font-size: 9px; letter-spacing: 2.5px; text-transform: uppercase; color: rgba(255,255,255,.18); }
.audience-pills { display: flex; flex-wrap: wrap; gap: 6px; justify-content: flex-end; }
.pill { font-family: 'DM Sans', sans-serif; font-size: 10px; color: rgba(255,255,255,.38); border: 1px solid rgba(255,255,255,.1); padding: 4px 12px; border-radius: 20px; letter-spacing: .5px; }

/* ── HOMEPAGE: INTRO STRIP ───────────────────────────────── */
.intro-strip { background: var(--gold-pale); border-top: 2px solid var(--gold); padding: 52px 8vw; }
.intro-strip-inner { max-width: 820px; margin: 0 auto; display: flex; gap: 56px; align-items: flex-start; }
.intro-strip-quote { font-family: 'Playfair Display', serif; font-size: clamp(18px, 2.2vw, 26px); font-weight: 400; font-style: italic; color: var(--navy); line-height: 1.5; flex: 1; }
.intro-strip-quote em { color: var(--navy); font-style: normal; font-weight: 600; }
.intro-strip-attr { flex-shrink: 0; text-align: right; padding-top: 4px; }
.intro-strip-name { font-family: 'DM Sans', sans-serif; font-size: 12px; font-weight: 500; color: var(--navy); }
.intro-strip-role { font-family: 'DM Sans', sans-serif; font-size: 11px; font-weight: 300; color: var(--text-light); margin-top: 4px; }

/* ── HOMEPAGE: ABOUT ─────────────────────────────────────── */
.about { padding: 96px 8vw; background: var(--cream); }
.about-inner { max-width: 900px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1.8fr; gap: 72px; align-items: start; }
.about-label { font-family: 'DM Sans', sans-serif; font-size: 10px; font-weight: 500; letter-spacing: 3px; text-transform: uppercase; color: var(--gold); margin-bottom: 20px; display: flex; align-items: center; gap: 10px; }
.about-label::before { content: ''; display: block; width: 20px; height: 1px; background: var(--gold); }
.about-name { font-family: 'Playfair Display', serif; font-size: clamp(26px, 3vw, 36px); font-weight: 600; color: var(--navy); line-height: 1.15; margin-bottom: 16px; }
.about-text { font-family: 'Source Serif 4', serif; font-size: 16px; font-weight: 300; line-height: 1.85; color: var(--text); margin-bottom: 20px; }
.about-text strong { font-weight: 500; color: var(--navy); }
.about-mission { background: var(--navy); padding: 28px 32px; margin-top: 8px; border-radius: 2px; border-left: 3px solid var(--gold); }
.about-mission p { font-family: 'Playfair Display', serif; font-size: 15px; font-style: italic; color: rgba(255,255,255,.8); line-height: 1.65; }
.about-mission cite { display: block; font-family: 'DM Sans', sans-serif; font-size: 10px; letter-spacing: 2px; text-transform: uppercase; color: var(--gold); margin-top: 14px; font-style: normal; }

/* ── HOMEPAGE: GUIDE / PART CARDS ────────────────────────── */
.guide { background: white; padding: 96px 8vw; border-top: 1px solid rgba(13,34,68,.06); }
.guide-inner { max-width: 900px; margin: 0 auto; }
.guide-header { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 56px; gap: 32px; flex-wrap: wrap; }
.guide-label { font-family: 'DM Sans', sans-serif; font-size: 10px; font-weight: 500; letter-spacing: 3px; text-transform: uppercase; color: var(--gold); margin-bottom: 12px; display: flex; align-items: center; gap: 10px; }
.guide-label::before { content: ''; display: block; width: 20px; height: 1px; background: var(--gold); }
.guide-title { font-family: 'Playfair Display', serif; font-size: clamp(26px, 3.2vw, 38px); font-weight: 600; color: var(--navy); line-height: 1.15; }
.guide-title em { font-style: italic; color: var(--navy-light); }
.guide-intro { font-family: 'Source Serif 4', serif; font-size: 15px; font-weight: 300; color: var(--text-mid); line-height: 1.7; max-width: 360px; font-style: italic; }
.parts-grid { display: flex; flex-direction: column; gap: 1px; background: rgba(13,34,68,.07); border-radius: 3px; overflow: hidden; }
.part-card { display: grid; grid-template-columns: 72px 1fr 48px; text-decoration: none; transition: all .22s; align-items: stretch; }
.part-card:hover .part-num-col { background: var(--navy-light); }
.part-card:hover .part-content-col { background: #f4f1eb; }
.part-card:hover .part-arrow { color: var(--gold); transform: translateX(4px); }
.part-num-col { background: var(--navy); display: flex; align-items: center; justify-content: center; transition: background .22s; }
.part-num { font-family: 'Playfair Display', serif; font-size: 22px; font-weight: 700; color: rgba(201,168,76,.28); line-height: 1; }
.part-content-col { background: var(--cream); padding: 20px 28px; transition: background .22s; }
.part-label { font-family: 'DM Sans', sans-serif; font-size: 9px; font-weight: 500; letter-spacing: 2px; text-transform: uppercase; color: var(--gold); margin-bottom: 4px; }
.part-title { font-family: 'Playfair Display', serif; font-size: 16px; font-weight: 600; color: var(--navy); margin-bottom: 4px; line-height: 1.3; }
.part-desc { font-family: 'Source Serif 4', serif; font-size: 13px; font-weight: 300; color: var(--text-light); line-height: 1.55; }
.part-arrow-col { background: var(--cream); display: flex; align-items: center; justify-content: center; transition: background .22s; }
.part-arrow { font-size: 15px; color: rgba(13,34,68,.18); transition: color .22s, transform .22s; }

/* ── HOMEPAGE: FOR WHOM ──────────────────────────────────── */
.for-whom { background: var(--navy); padding: 80px 8vw; }
.for-whom-inner { max-width: 900px; margin: 0 auto; }
.for-whom-label { font-family: 'DM Sans', sans-serif; font-size: 10px; font-weight: 500; letter-spacing: 3px; text-transform: uppercase; color: var(--gold); margin-bottom: 20px; display: flex; align-items: center; gap: 10px; }
.for-whom-label::before { content: ''; display: block; width: 20px; height: 1px; background: var(--gold); }
.for-whom-title { font-family: 'Playfair Display', serif; font-size: clamp(22px, 2.8vw, 34px); font-weight: 600; color: var(--white); line-height: 1.2; margin-bottom: 44px; max-width: 520px; }
.for-whom-title em { color: var(--gold-light); font-style: italic; }
.audience-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgba(255,255,255,.05); border-radius: 2px; overflow: hidden; }
.audience-card { background: rgba(255,255,255,.03); padding: 28px 24px; transition: background .2s; }
.audience-card:hover { background: rgba(255,255,255,.07); }
.audience-card-icon { margin-bottom: 16px; }
.audience-card-title { font-family: 'DM Sans', sans-serif; font-size: 11px; font-weight: 500; letter-spacing: 1.5px; text-transform: uppercase; color: var(--gold); margin-bottom: 8px; }
.audience-card-text { font-family: 'Source Serif 4', serif; font-size: 13px; font-weight: 300; color: rgba(255,255,255,.48); line-height: 1.65; }

/* ── HOMEPAGE: CTA ───────────────────────────────────────── */
.cta-section { padding: 96px 8vw; background: var(--cream); text-align: center; border-top: 1px solid rgba(201,168,76,.15); }
.cta-inner { max-width: 560px; margin: 0 auto; }
.cta-title { font-family: 'Playfair Display', serif; font-size: clamp(24px, 3.2vw, 38px); font-weight: 600; color: var(--navy); line-height: 1.18; margin-bottom: 16px; }
.cta-title em { font-style: italic; color: var(--navy-light); }
.cta-sub { font-family: 'Source Serif 4', serif; font-size: 16px; font-weight: 300; font-style: italic; color: var(--text-mid); line-height: 1.7; margin-bottom: 40px; }

/* ── HOMEPAGE: SITE FOOTER ───────────────────────────────── */
.site-footer { background: var(--navy); padding: 32px 8vw; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; border-top: 1px solid rgba(255,255,255,.05); }
.footer-logo { font-family: 'Playfair Display', serif; font-size: 14px; font-weight: 600; color: var(--white); display: flex; align-items: center; gap: 0; }
.footer-logo svg { margin-right: 8px; }
.footer-logo span { color: var(--gold); }
.footer-copy { font-family: 'DM Sans', sans-serif; font-size: 11px; color: var(--white); letter-spacing: .5px; }

/* ── ANIMATIONS ──────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.cover > * { animation: fadeUp .7s ease both; }
.cover > *:nth-child(2) { animation-delay: .08s; }
.cover > *:nth-child(3) { animation-delay: .16s; }
.cover > *:nth-child(4) { animation-delay: .24s; }
.cover > *:nth-child(5) { animation-delay: .32s; }
.cover > *:nth-child(6) { animation-delay: .40s; }
.hero-content > * { animation: fadeUp .7s ease both; }
.hero-content > *:nth-child(1) { animation-delay: .08s; }
.hero-content > *:nth-child(2) { animation-delay: .16s; }
.hero-content > *:nth-child(3) { animation-delay: .24s; }
.hero-content > *:nth-child(4) { animation-delay: .32s; }
.hero-content > *:nth-child(5) { animation-delay: .40s; }

/* ── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 768px) {
  .about-inner { grid-template-columns: 1fr; gap: 40px; }
  .guide-header { flex-direction: column; align-items: flex-start; }
  .audience-grid { grid-template-columns: 1fr 1fr; }
  .part-card { grid-template-columns: 56px 1fr 40px; }
  .hero-audience { display: none; }
  .intro-strip-inner { flex-direction: column; gap: 24px; }
  .intro-strip-attr { text-align: left; }
  .nav-links { display: none; }
}
@media (max-width: 700px) {
  .page { padding: 56px 24px; }
  .cover { padding: 60px 6vw; }
  .chapter-nav { padding: 0 6vw; gap: 20px; }
}
@media (max-width: 480px) {
  .audience-grid { grid-template-columns: 1fr; }
}