/* ═══════════════════════════════════════════════
   SPONSORING SPORTIF & PMI — STYLESHEET
   ═══════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700;800&display=swap');

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

:root {
  --red: #E8400C;
  --orange: #FF6B3D;
  --dark: #0F1923;
  --anthracite: #2C2C3A;
  --light: #F5F5F7;
  --white: #FFFFFF;
  --text: #4A4A5A;
  --nav-height: 70px;
  --sidebar-width: 230px;
  --transition: 0.25s ease;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Poppins', sans-serif;
  color: var(--text);
  background: var(--light);
  line-height: 1.7;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ── TYPOGRAPHY ── */
h1 { font-size: clamp(32px, 5vw, 60px); font-weight: 800; line-height: 1.1; }
h2 { font-size: clamp(24px, 3vw, 36px); font-weight: 700; line-height: 1.2; }
h3 { font-size: clamp(18px, 2vw, 22px); font-weight: 600; line-height: 1.3; }
h4 { font-size: 16px; font-weight: 600; }
p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

.accent { color: var(--red); }
strong { font-weight: 700; color: var(--anthracite); }

/* ── LAYOUT ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.page-layout {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  gap: 0;
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 24px;
  min-height: calc(100vh - var(--nav-height));
}

/* ── NAVBAR ── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: var(--dark);
  z-index: 1000;
  transition: box-shadow var(--transition);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.navbar.scrolled { box-shadow: 0 4px 30px rgba(0,0,0,0.4); }

.nav-container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-logo {
  font-size: 16px;
  font-weight: 800;
  color: var(--white);
  white-space: nowrap;
  letter-spacing: -0.3px;
}
.nav-logo .accent { color: var(--red); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}
.nav-links li a {
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.65);
  padding: 6px 12px;
  border-radius: 6px;
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-links li a:hover { color: var(--white); background: rgba(255,255,255,0.07); }
.nav-links li a.active {
  color: var(--red);
  background: rgba(232,64,12,0.12);
  position: relative;
}

.btn-cta {
  background: var(--red);
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
  padding: 8px 18px;
  border-radius: 8px;
  white-space: nowrap;
  transition: background var(--transition), transform var(--transition);
  flex-shrink: 0;
}
.btn-cta:hover { background: #c93509; transform: translateY(-1px); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ── SIDEBAR ── */
.sidebar {
  position: sticky;
  top: calc(var(--nav-height) + 32px);
  height: calc(100vh - var(--nav-height) - 64px);
  overflow-y: auto;
  padding: 0 24px 24px 0;
  scrollbar-width: none;
  align-self: start;
}
.sidebar::-webkit-scrollbar { display: none; }

.sidebar-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--red);
  display: block;
}

.sidebar-nav { display: flex; flex-direction: column; gap: 2px; }
.sidebar-nav a {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  padding: 8px 12px;
  border-radius: 6px;
  border-left: 3px solid transparent;
  transition: all var(--transition);
  line-height: 1.4;
}
.sidebar-nav a:hover { color: var(--red); background: rgba(232,64,12,0.05); border-left-color: rgba(232,64,12,0.3); }
.sidebar-nav a.active { color: var(--red); font-weight: 700; border-left-color: var(--red); background: rgba(232,64,12,0.07); }

/* Mobile sub-nav */
.mobile-subnav {
  display: none;
  position: sticky;
  top: var(--nav-height);
  z-index: 100;
  background: var(--white);
  border-bottom: 2px solid var(--red);
  overflow-x: auto;
  scrollbar-width: none;
  white-space: nowrap;
  padding: 0 16px;
}
.mobile-subnav::-webkit-scrollbar { display: none; }
.mobile-subnav a {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  padding: 12px 14px;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition);
}
.mobile-subnav a.active { color: var(--red); border-bottom-color: var(--red); }

/* ── PAGE CONTENT ── */
.page-content { padding: calc(var(--nav-height) + 48px) 0 80px 40px; min-width: 0; }
.page-content-full { padding: 0 0 80px; }

/* ── HERO ── */
.hero {
  min-height: 100vh;
  background: var(--dark);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-circle-1 {
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  border: 1px solid rgba(232,64,12,0.15);
  top: -150px; right: -150px;
}
.hero-circle-2 {
  position: absolute;
  width: 400px; height: 400px;
  border-radius: 50%;
  border: 1px solid rgba(232,64,12,0.08);
  top: -50px; right: -50px;
}
.hero-circle-fill {
  position: absolute;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: rgba(232,64,12,0.04);
  top: 0; right: 0;
}
.hero-line-1, .hero-line-2 {
  position: absolute;
  width: 2px;
  height: 200px;
  background: linear-gradient(to bottom, transparent, rgba(232,64,12,0.3), transparent);
  transform: rotate(-45deg);
}
.hero-line-1 { top: 30%; right: 25%; }
.hero-line-2 { top: 50%; right: 35%; }

.hero-content { position: relative; z-index: 1; padding: 80px 24px; }

.badge {
  display: inline-block;
  background: var(--red);
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 28px;
  text-transform: uppercase;
}

.hero h1 { color: var(--white); margin-bottom: 24px; }
.hero h1 .accent { color: var(--red); }

.hero-subtitle {
  font-size: 18px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 48px;
  max-width: 520px;
}

.hero-stats {
  display: flex;
  align-items: stretch;
  gap: 0;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  margin-bottom: 48px;
  overflow: hidden;
  max-width: 700px;
}
.hero-stat { padding: 28px 32px; flex: 1; }
.hero-stat-divider { width: 1px; background: rgba(255,255,255,0.08); flex-shrink: 0; }
.hero-stat-num { display: block; font-size: 32px; font-weight: 800; color: var(--red); line-height: 1; margin-bottom: 8px; }
.hero-stat-label { display: block; font-size: 12px; color: rgba(255,255,255,0.55); line-height: 1.4; }

.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }

.hero-chapters { margin-top: 0; }
.hero-chapters-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 20px;
}
.chapters-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  max-width: 700px;
}
.chapter-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 12px;
  padding: 20px;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 14px;
}
.chapter-card:hover {
  background: rgba(232,64,12,0.08);
  border-color: rgba(232,64,12,0.3);
  transform: translateY(-2px);
}
.chapter-num { font-size: 24px; font-weight: 800; color: var(--red); opacity: 0.7; line-height: 1; flex-shrink: 0; }
.chapter-card-title { font-size: 13px; font-weight: 600; color: var(--white); line-height: 1.3; }
.chapter-arrow { margin-left: auto; color: rgba(255,255,255,0.3); font-size: 16px; flex-shrink: 0; }

/* ── BUTTONS ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--red);
  color: var(--white);
  font-size: 15px;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: 10px;
  transition: all var(--transition);
  border: none;
  cursor: pointer;
}
.btn-primary:hover { background: #c93509; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(232,64,12,0.35); }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--white);
  font-size: 15px;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: 10px;
  border: 2px solid rgba(255,255,255,0.25);
  transition: all var(--transition);
  cursor: pointer;
}
.btn-outline:hover { border-color: rgba(255,255,255,0.6); background: rgba(255,255,255,0.05); }

/* ── SECTIONS ── */
.section-dark { background: var(--dark); padding: 80px 0; }
.section-light { background: var(--light); padding: 80px 0; }
.section-white { background: var(--white); padding: 80px 0; }

.section-header { margin-bottom: 56px; }
.section-header h2 { margin-bottom: 12px; }
.section-header h2.white { color: var(--white); }
.section-line { width: 48px; height: 3px; background: var(--red); border-radius: 2px; margin: 12px 0; }
.section-sub { font-size: 16px; color: var(--text); }
.section-sub.white { color: rgba(255,255,255,0.55); }

/* ── PAGE HERO BANNER ── */
.page-hero {
  background: var(--dark);
  padding: 80px 0 60px;
  margin-top: var(--nav-height);
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--red);
}
.page-hero-inner { max-width: 1300px; margin: 0 auto; padding: 0 24px; }
.page-hero-inner .badge { margin-bottom: 20px; }
.page-hero-inner h1 { color: var(--white); font-size: clamp(28px, 4vw, 48px); margin-bottom: 16px; }
.page-hero-inner p { color: rgba(255,255,255,0.55); font-size: 16px; max-width: 600px; }

/* ── STAT CARDS ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.stat-card {
  background: var(--anthracite);
  border-radius: 16px;
  padding: 32px 28px;
  border: 1px solid rgba(255,255,255,0.05);
  transition: transform var(--transition);
}
.stat-card:hover { transform: translateY(-4px); }
.stat-num { display: block; font-size: clamp(36px, 4vw, 52px); font-weight: 800; color: var(--red); line-height: 1; margin-bottom: 14px; }
.stat-label { display: block; font-size: 14px; color: rgba(255,255,255,0.65); line-height: 1.5; }

/* ── ICON CARDS ── */
.icon-cards-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.icon-card {
  background: var(--white);
  border-radius: 14px;
  padding: 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  border: 1px solid rgba(0,0,0,0.06);
  transition: all var(--transition);
}
.icon-card:hover { border-color: var(--red); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.08); }
.icon-card-icon { font-size: 24px; flex-shrink: 0; width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; background: var(--light); border-radius: 10px; }
.icon-card h4 { margin-bottom: 6px; color: var(--anthracite); }
.icon-card p { font-size: 14px; color: var(--text); margin: 0; }

/* ── TWO COLUMN ── */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.col-text h3 { color: var(--anthracite); margin-bottom: 16px; }
.col-text p { color: var(--text); }

/* ── HYPOTHESIS CARDS ── */
.hyp-list { display: flex; flex-direction: column; gap: 24px; }
.hyp-card {
  background: var(--white);
  border-radius: 16px;
  border: 1px solid rgba(0,0,0,0.06);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
}
.hyp-card:hover { box-shadow: 0 8px 32px rgba(0,0,0,0.1); transform: translateX(4px); }
.hyp-number {
  font-size: 64px;
  font-weight: 800;
  color: var(--red);
  opacity: 0.15;
  padding: 24px 8px 24px 24px;
  line-height: 1;
  display: flex;
  align-items: center;
  min-width: 100px;
  flex-shrink: 0;
}
.hyp-content {
  padding: 28px 28px 28px 0;
  flex: 1;
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
.hyp-icon {
  width: 44px; height: 44px;
  background: rgba(232,64,12,0.08);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--red);
  flex-shrink: 0;
  margin-top: 2px;
}
.hyp-body { flex: 1; }
.hyp-body h3 { color: var(--anthracite); margin-bottom: 8px; }
.hyp-stat {
  display: inline-block;
  background: rgba(232,64,12,0.08);
  color: var(--red);
  font-size: 13px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
}
.hyp-body p { font-size: 15px; color: var(--text); }

/* ── BENCHMARK CARDS ── */
.benchmark-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.bench-card {
  background: var(--white);
  border-radius: 16px;
  border: 1px solid rgba(0,0,0,0.06);
  overflow: hidden;
  transition: all var(--transition);
}
.bench-card:hover { box-shadow: 0 8px 32px rgba(0,0,0,0.1); transform: translateY(-4px); }
.bench-header {
  padding: 24px;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  display: flex;
  align-items: center;
  gap: 16px;
}
.bench-logo {
  width: 52px; height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  color: var(--white);
  flex-shrink: 0;
}
.bench-company { font-size: 16px; font-weight: 700; color: var(--anthracite); }
.bench-sport { font-size: 13px; color: var(--text); }
.bench-body { padding: 20px 24px; }
.bench-body p { font-size: 14px; color: var(--text); margin-bottom: 16px; }
.bench-lesson {
  background: rgba(255,107,61,0.08);
  border-left: 3px solid var(--orange);
  padding: 12px 16px;
  border-radius: 0 8px 8px 0;
}
.bench-lesson-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--orange); margin-bottom: 4px; }
.bench-lesson p { font-size: 13px; color: var(--anthracite); margin: 0; font-weight: 600; }
.bench-tag {
  display: inline-block;
  background: rgba(255,107,61,0.1);
  color: var(--orange);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
  margin-top: 12px;
}

/* ── RECOMMANDATIONS ── */
.reco-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.reco-card {
  background: var(--anthracite);
  border-radius: 16px;
  padding: 28px;
  border: 1px solid rgba(255,255,255,0.05);
  transition: all var(--transition);
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
.reco-card:hover { transform: translateY(-3px); border-color: rgba(232,64,12,0.3); }
.reco-num { font-size: 36px; font-weight: 800; color: var(--red); opacity: 0.8; line-height: 1; flex-shrink: 0; min-width: 50px; }
.reco-icon { font-size: 20px; margin-bottom: 10px; }
.reco-card h4 { color: var(--white); margin-bottom: 8px; font-size: 15px; }
.reco-card p { font-size: 13px; color: rgba(255,255,255,0.55); margin: 0; line-height: 1.6; }

/* ── TIMELINE ── */
.timeline {
  position: relative;
  padding: 40px 0;
}
.timeline-track {
  display: flex;
  gap: 0;
  position: relative;
}
.timeline-track::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 36px;
  right: 36px;
  height: 3px;
  background: var(--red);
  opacity: 0.3;
}
.timeline-step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 16px;
  position: relative;
}
.timeline-dot {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--red);
  color: var(--white);
  font-size: 24px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  margin-bottom: 20px;
  flex-shrink: 0;
  box-shadow: 0 4px 20px rgba(232,64,12,0.35);
}
.timeline-period { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--red); margin-bottom: 8px; }
.timeline-title { font-size: 15px; font-weight: 700; color: var(--anthracite); margin-bottom: 8px; }
.timeline-desc { font-size: 13px; color: var(--text); }

/* ── CHARTS ── */
.charts-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.chart-card {
  background: var(--white);
  border-radius: 16px;
  border: 1px solid rgba(0,0,0,0.06);
  padding: 28px;
}
.chart-card h4 { color: var(--anthracite); margin-bottom: 20px; font-size: 15px; }
.chart-wrapper { position: relative; }

/* ── AUTHOR CARDS ── */
.authors-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.author-card {
  background: var(--anthracite);
  border-radius: 20px;
  padding: 36px;
  border: 1px solid rgba(255,255,255,0.05);
  text-align: center;
  transition: transform var(--transition);
}
.author-card:hover { transform: translateY(-4px); }
.author-initials {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: var(--red);
  color: var(--white);
  font-size: 28px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}
.author-name { font-size: 22px; font-weight: 700; color: var(--white); margin-bottom: 6px; }
.author-promo { font-size: 13px; color: rgba(255,255,255,0.4); margin-bottom: 16px; }
.author-tags { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.author-tag {
  background: rgba(255,255,255,0.07);
  color: rgba(255,255,255,0.7);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 20px;
}
.author-tag.red { background: rgba(232,64,12,0.15); color: var(--red); }

/* ── QUOTE BLOCK ── */
.quote-block {
  border-left: 4px solid var(--red);
  padding: 20px 28px;
  background: rgba(232,64,12,0.04);
  border-radius: 0 12px 12px 0;
  margin: 32px 0;
}
.quote-block p { font-size: 18px; font-weight: 600; color: var(--anthracite); font-style: italic; margin: 0; }

/* ── HIGHLIGHT BOX ── */
.highlight-box {
  background: var(--dark);
  color: var(--white);
  border-radius: 16px;
  padding: 36px 40px;
  margin: 40px 0;
  position: relative;
  overflow: hidden;
}
.highlight-box::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--red);
}
.highlight-box h3 { color: var(--white); margin-bottom: 12px; }
.highlight-box p { color: rgba(255,255,255,0.7); margin: 0; }

/* ── SURVEY BOX ── */
.survey-box {
  background: rgba(232,64,12,0.06);
  border: 1px solid rgba(232,64,12,0.15);
  border-radius: 12px;
  padding: 20px 24px;
  margin-top: 20px;
}
.survey-box-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--red); margin-bottom: 8px; }
.survey-box p { font-size: 14px; color: var(--text); margin: 0; }

/* ── SYNTH TABLE ── */
.synth-table { width: 100%; border-collapse: collapse; }
.synth-table th { background: var(--dark); color: var(--white); font-size: 13px; font-weight: 700; padding: 14px 16px; text-align: left; }
.synth-table td { font-size: 14px; color: var(--text); padding: 14px 16px; border-bottom: 1px solid rgba(0,0,0,0.06); vertical-align: top; }
.synth-table tr:nth-child(even) td { background: rgba(0,0,0,0.02); }
.synth-table .num-cell { font-weight: 700; color: var(--red); }

/* ── METHODOLOGY PILLS ── */
.method-pills { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 40px; }
.method-pill {
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 12px;
  padding: 20px 24px;
  text-align: center;
  flex: 1;
  min-width: 140px;
}
.method-pill-num { display: block; font-size: 32px; font-weight: 800; color: var(--red); line-height: 1; margin-bottom: 8px; }
.method-pill-label { font-size: 13px; color: var(--text); }

/* ── RESPONDANT PROFILE ── */
.profile-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.profile-card { background: var(--white); border-radius: 14px; padding: 24px; border: 1px solid rgba(0,0,0,0.06); }
.profile-card h4 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--red); margin-bottom: 16px; }
.profile-item { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid rgba(0,0,0,0.05); font-size: 14px; }
.profile-item:last-child { border-bottom: none; }
.profile-item-pct { font-weight: 700; color: var(--anthracite); }

/* ── FOOTER ── */
footer {
  background: var(--dark);
  padding: 40px 0 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 24px 32px;
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.footer-logo { font-size: 16px; font-weight: 800; color: var(--white); }
.footer-links { display: flex; gap: 24px; flex: 1; justify-content: center; flex-wrap: wrap; }
.footer-links a { font-size: 13px; color: rgba(255,255,255,0.45); transition: color var(--transition); }
.footer-links a:hover { color: var(--white); }
.footer-copy { font-size: 13px; color: rgba(255,255,255,0.35); }
.footer-bar { height: 5px; background: var(--red); }

/* ── ANIMATIONS ── */
.fade-in-up { opacity: 0; transform: translateY(30px); animation: fadeInUp 0.7s ease forwards; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.35s; }
.delay-4 { animation-delay: 0.5s; }

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

.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-stagger { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal-stagger.visible { opacity: 1; transform: translateY(0); }

/* ── RESPONSIVE ── */
@media (max-width: 1100px) {
  .nav-links li a { padding: 6px 8px; font-size: 12px; }
  .chapters-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0; right: 0;
    background: var(--dark);
    flex-direction: column;
    padding: 16px;
    gap: 4px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }
  .nav-links.open { display: flex; }
  .btn-cta { display: none; }

  .page-layout { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .mobile-subnav { display: block; }
  .page-content { padding: calc(var(--nav-height) + 60px) 0 60px; }

  .stats-grid { grid-template-columns: 1fr 1fr; }
  .two-col { grid-template-columns: 1fr; gap: 32px; }
  .charts-grid { grid-template-columns: 1fr; }
  .reco-grid { grid-template-columns: 1fr; }
  .benchmark-grid { grid-template-columns: 1fr; }
  .authors-grid { grid-template-columns: 1fr; }
  .icon-cards-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; }
  .hero-stat-divider { width: 100%; height: 1px; }
  .chapters-grid { grid-template-columns: 1fr; }
  .profile-grid { grid-template-columns: 1fr; }

  .timeline-track { flex-direction: column; gap: 32px; }
  .timeline-track::before {
    top: 36px; bottom: 36px;
    left: 36px; right: auto;
    width: 3px; height: auto;
  }
  .timeline-step { flex-direction: row; text-align: left; align-items: flex-start; gap: 20px; }
  .timeline-dot { flex-shrink: 0; margin-bottom: 0; }

  .hyp-number { font-size: 40px; min-width: 60px; padding: 20px 4px 20px 16px; }
  .hyp-content { flex-direction: column; gap: 12px; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn-primary, .hero-ctas .btn-outline { width: 100%; justify-content: center; }
  .method-pills { flex-direction: column; }
}