/* I'm'I — Landing Pitch */
/* Palette: charbon #0a0a0c / off-white #f4f1ea / or #d4a85b / cyan #88c1d4 */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,500;0,700;1,300;1,500&family=Inter:wght@300;400;600&display=swap');

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

:root {
  --bg:        #0a0a0c;
  --bg-lift:   #0f0f12;
  --bg-card:   #13131a;
  --text:      #f4f1ea;
  --text-dim:  #9e9b94;
  --gold:      #d4a85b;
  --gold-dim:  rgba(212, 168, 91, 0.15);
  --cyan:      #88c1d4;
  --cyan-dim:  rgba(136, 193, 212, 0.12);
  --border:    rgba(244, 241, 234, 0.08);
  --border-gold: rgba(212, 168, 91, 0.25);

  --font-title: 'Cormorant Garamond', Georgia, serif;
  --font-body:  'Inter', system-ui, sans-serif;

  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  2rem;
  --space-lg:  4rem;
  --space-xl:  7rem;
  --space-2xl: 10rem;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-pill: 50px;

  --transition: 0.35s cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ─── Typography ─── */
h1, h2, h3, h4 {
  font-family: var(--font-title);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(3.5rem, 10vw, 9rem); font-weight: 300; }
h2 { font-size: clamp(2rem, 5vw, 3.5rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }

p { max-width: 65ch; }

a { color: inherit; text-decoration: none; }

/* ─── Layout Helpers ─── */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-2xl) 0;
}

/* ─── Nav ─── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.25rem var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(10, 10, 12, 0.75);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.nav-aionverse {
  font-family: var(--font-title);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: small-caps;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 200ms ease;
}

.nav-aionverse span { color: var(--gold); }

.nav-aionverse:hover,
.nav-aionverse:focus-visible {
  color: var(--text);
}

.nav-sep {
  color: var(--text-dim);
  font-weight: 300;
  opacity: 0.5;
  font-size: 1.15rem;
  margin: 0 0.1rem;
}

.nav-logo {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--text);
}

.nav-logo span { color: var(--gold); }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  list-style: none;
}

.nav-links a {
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  transition: color var(--transition);
}

.nav-links a:hover { color: var(--text); }

/* ─── Buttons / Pills ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--gold);
  color: #0a0a0c;
}

.btn-primary:hover {
  background: #e0b86a;
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(212, 168, 91, 0.35);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-gold);
}

.btn-secondary:hover {
  background: var(--gold-dim);
  border-color: var(--gold);
  transform: translateY(-2px);
}

/* ─── S1 HERO ─── */
.hero {
  min-height: 55vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--space-lg);
  padding-top: 0;
  overflow: hidden;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  left: -10%;
  width: 60%;
  height: 80%;
  background: radial-gradient(ellipse at 30% 40%, rgba(212, 168, 91, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content { padding: var(--space-xl) 0 var(--space-xl) var(--space-md); }

.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.75rem;
  opacity: 0;
}

.hero-title {
  margin: 0 0 0.75rem 0;
  opacity: 1;
  line-height: 1;
}

.hero-title .palindrome {
  display: inline-block;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: clamp(2.4rem, 4.6vw, 4.2rem);
  letter-spacing: 0.15em;
  color: var(--text);
  line-height: 1;
}

.hero-title .palindrome .apo {
  color: var(--gold);
  margin: 0 0.05em;
}

.hero-tagline {
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  font-weight: 300;
  color: var(--text-dim);
  line-height: 1.65;
  margin-bottom: 1.5rem;
  max-width: 50ch;
  opacity: 0;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
  opacity: 0;
}

.hero-sub {
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(244, 241, 234, 0.35);
  opacity: 0;
}

.hero-sub span {
  margin: 0 0.4rem;
  color: rgba(244, 241, 234, 0.2);
}

/* Hero visual (right) */
.hero-visual {
  height: 100%;
  min-height: 55vh;
  position: relative;
  overflow: hidden;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0;
  transition: opacity 0.8s ease;
}

.hero-img.loaded { opacity: 1; }

.hero-img-fallback {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
    rgba(136, 193, 212, 0.08) 0%,
    rgba(212, 168, 91, 0.06) 50%,
    rgba(10, 10, 12, 0.9) 100%
  );
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-img-fallback::after {
  content: '';
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(136, 193, 212, 0.15) 0%, rgba(212, 168, 91, 0.08) 50%, transparent 80%);
  animation: pulse-glow 4s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.1); opacity: 1; }
}

.hero-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, var(--bg) 0%, transparent 30%);
  pointer-events: none;
}

/* ─── S2 PROBLEM ─── */
.problem {
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.problem-header {
  margin-bottom: var(--space-lg);
}

.problem-header .overline {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 1rem;
  display: block;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.stat-card {
  padding: var(--space-lg) var(--space-md);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(to right, var(--gold), transparent);
}

.stat-value {
  font-family: var(--font-title);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 300;
  color: var(--text);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--text-dim);
  line-height: 1.5;
}

.problem-body {
  max-width: 72ch;
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--text-dim);
  line-height: 1.8;
}

.problem-body strong {
  color: var(--text);
  font-weight: 400;
}

/* ─── S3 SOLUTION ─── */
.solution {
  background: var(--bg-lift);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.solution-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.solution-header .overline {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
  display: block;
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.pillar-card {
  padding: var(--space-lg) 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.pillar-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: border-color var(--transition);
  pointer-events: none;
}

.pillar-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(212, 168, 91, 0.1);
}

.pillar-card:hover::after {
  border-color: var(--border-gold);
}

.pillar-img-wrap {
  width: 100%;
  height: 200px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: var(--space-md);
  background: linear-gradient(135deg, rgba(136, 193, 212, 0.1) 0%, rgba(212, 168, 91, 0.05) 100%);
}

.pillar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.6s ease;
}

.pillar-img.fallback-p2p {
  background: linear-gradient(135deg, rgba(136, 193, 212, 0.2) 0%, rgba(10, 10, 12, 0.8) 100%);
}

.pillar-img.fallback-blockchain {
  background: linear-gradient(135deg, rgba(212, 168, 91, 0.2) 0%, rgba(10, 10, 12, 0.8) 100%);
}

.pillar-img.fallback-os {
  background: linear-gradient(135deg, rgba(136, 193, 212, 0.12) 0%, rgba(212, 168, 91, 0.12) 100%);
}

.pillar-tag {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.75rem;
  display: block;
}

.pillar-card h3 {
  margin-bottom: 0.75rem;
}

.pillar-card p {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.7;
}

/* ─── S4 HOW IT WORKS ─── */
.how {
  background: var(--bg);
}

.how-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.how-header .overline {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 1rem;
  display: block;
}

.flow-diagram {
  max-width: 960px;
  margin: 0 auto;
  overflow-x: auto;
  padding-bottom: var(--space-sm);
}

.flow-svg {
  width: 100%;
  min-width: 600px;
  height: auto;
}

/* ─── S5 FOR WHO ─── */
.audience {
  background: var(--bg-lift);
  border-top: 1px solid var(--border);
}

.audience-header {
  margin-bottom: var(--space-lg);
}

.audience-header .overline {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
  display: block;
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.audience-card {
  padding: var(--space-lg) 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
  cursor: default;
}

.audience-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(212, 168, 91, 0.08);
  border-color: var(--border-gold);
}

.audience-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--gold-dim);
  border: 1px solid var(--border-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  font-size: 1.2rem;
}

.audience-card h3 {
  margin-bottom: 0.75rem;
  font-size: 1.3rem;
}

.audience-card p {
  font-size: 0.88rem;
  color: var(--text-dim);
  line-height: 1.7;
}

.audience-card .audience-quote {
  margin-top: 1rem;
  font-style: italic;
  font-size: 0.85rem;
  color: var(--text-dim);
  border-left: 2px solid var(--border-gold);
  padding-left: 1rem;
}

/* ─── S6 MANIFESTE ─── */
.manifeste {
  background: var(--bg);
  border-top: 1px solid var(--border);
  text-align: center;
}

.manifeste-inner {
  max-width: 800px;
  margin: 0 auto;
}

.manifeste-text {
  font-family: var(--font-title);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  line-height: 1.65;
  color: var(--text);
  letter-spacing: 0.01em;
}

.manifeste-text em {
  color: var(--gold);
  font-style: normal;
}

.manifeste-sig {
  margin-top: var(--space-lg);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* ─── S7 CTA CONTACT ─── */
.contact {
  background: var(--bg-lift);
  border-top: 1px solid var(--border);
  text-align: center;
}

.contact-inner {
  max-width: 640px;
  margin: 0 auto;
}

.contact h2 {
  margin-bottom: 1rem;
}

.contact .contact-sub {
  font-size: 1rem;
  color: var(--text-dim);
  margin-bottom: var(--space-lg);
  display: block;
  max-width: 100%;
}

.contact-cta-main {
  margin-bottom: var(--space-md);
}

.contact-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.contact-links a {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
  padding-bottom: 2px;
  transition: all var(--transition);
}

.contact-links a:hover {
  color: var(--gold);
  border-color: var(--gold);
}

.contact-links .sep {
  color: var(--border);
  font-size: 0.8rem;
}

/* ─── S8 FOOTER ─── */
.footer {
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-brand {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text);
}

.footer-brand span { color: var(--gold); }

.footer-copy {
  font-size: 0.78rem;
  color: var(--text-dim);
}

.footer-links {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--text); }

/* ─── Overline utility ─── */
.overline {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 1rem;
}

/* ─── Scroll reveal base ─── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
}

/* ─── Badge verified ─── */
.badge-verified {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid rgba(136, 193, 212, 0.25);
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-pill);
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* ─── Divider ─── */
.divider-gold {
  width: 48px;
  height: 1px;
  background: var(--gold);
  margin: var(--space-md) auto;
  opacity: 0.5;
}

/* ─── Pillar accent (open source manifesto line) ─── */
.pillar-accent {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-family: var(--font-title);
  font-style: italic;
  font-weight: 500;
  font-size: 1.05rem;
  color: var(--gold);
  letter-spacing: 0.01em;
  line-height: 1.4;
}

/* ─── S3.5 MODES (Réseau social vs Extension) ─── */
.modes {
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.modes-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.modes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  max-width: 1080px;
  margin: 0 auto;
}

.mode-card {
  padding: var(--space-lg) 2.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.mode-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 60px;
  height: 1px;
  background: var(--gold);
}

.mode-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(212, 168, 91, 0.1);
  border-color: var(--border-gold);
}

.mode-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-pill);
  margin-bottom: 1.5rem;
}

.mode-badge-gold {
  color: var(--gold);
  background: var(--gold-dim);
  border: 1px solid var(--border-gold);
}

.mode-badge-cyan {
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid rgba(136, 193, 212, 0.25);
}

.mode-card h3 {
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.mode-card p {
  font-size: 0.95rem;
  color: var(--text-dim);
  line-height: 1.75;
}

.mode-card .mode-tail {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-family: var(--font-title);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--text);
}

/* ─── S5.5 DEADMAN SWITCH ─── */
.deadman {
  background: var(--bg-lift);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  position: relative;
}

.deadman::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 1px;
  background: var(--cyan);
  opacity: 0.5;
}

.deadman-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.deadman-body {
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--text-dim);
  line-height: 1.85;
  margin: var(--space-md) auto 0;
  max-width: 64ch;
}

.deadman-body strong {
  color: var(--text);
  font-weight: 400;
}

.deadman-body em {
  color: var(--cyan);
  font-style: italic;
  font-family: var(--font-title);
  font-size: 1.15rem;
}

.deadman-foot {
  margin-top: var(--space-md);
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--text-dim);
  letter-spacing: 0.05em;
  font-style: italic;
  opacity: 0.75;
}

/* ─── S6.5 COMMONS (non-lucratif / donationware / open source) ─── */
.commons {
  background: var(--bg);
  border-top: 1px solid var(--border);
  text-align: center;
}

.commons-inner {
  max-width: 720px;
  margin: 0 auto;
}

.commons-header {
  margin-bottom: var(--space-lg);
}

.commons-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  text-align: left;
}

.commons-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.25rem 1.5rem;
  border-left: 1px solid var(--border-gold);
  background: linear-gradient(to right, var(--gold-dim), transparent 65%);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  transition: all var(--transition);
}

.commons-item:hover {
  border-left-color: var(--gold);
  transform: translateX(4px);
}

.commons-bullet {
  color: var(--gold);
  font-size: 1rem;
  line-height: 1.6;
  flex-shrink: 0;
  margin-top: 4px;
}

.commons-text strong {
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text);
  display: block;
  margin-bottom: 0.35rem;
  letter-spacing: 0.01em;
}

.commons-text p {
  font-size: 0.92rem;
  color: var(--text-dim);
  line-height: 1.65;
  margin: 0;
}

.commons-cta {
  margin-top: var(--space-md);
}

/* ─── Mode B anchor link (Mode card v3) ─── */
.mode-anchor {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1.25rem;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--cyan);
  border-bottom: 1px solid rgba(136, 193, 212, 0.3);
  padding-bottom: 2px;
  transition: all var(--transition);
}

.mode-anchor:hover {
  color: var(--gold);
  border-color: var(--gold);
  transform: translateX(3px);
}

.mode-anchor span {
  display: inline-block;
  transition: transform var(--transition);
}

.mode-anchor:hover span {
  transform: translateY(2px);
}

/* ─── S3.7 CROSS-PLATFORM — 4 couches d'injection ─── */
.cross-platform {
  background: var(--bg-lift);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.cp-header {
  text-align: center;
  margin-bottom: var(--space-lg);
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.cp-subtitle {
  margin: 1.5rem auto 0;
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--text-dim);
  line-height: 1.7;
  max-width: 60ch;
}

.cp-table-wrap {
  max-width: 1080px;
  margin: 0 auto var(--space-lg);
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-card);
}

.cp-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-size: 0.92rem;
  text-align: left;
}

.cp-table thead {
  background: linear-gradient(to bottom, rgba(212, 168, 91, 0.08), transparent);
  border-bottom: 1px solid var(--border-gold);
}

.cp-table thead th {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  padding: 1.25rem 1.5rem;
  font-variant: small-caps;
}

.cp-table tbody tr {
  border-top: 1px solid var(--border);
  transition: background 0.3s ease;
}

.cp-table tbody tr:first-child {
  border-top: none;
}

.cp-table tbody tr:hover {
  background: linear-gradient(to right, rgba(212, 168, 91, 0.06), transparent);
}

.cp-table th[scope="row"] {
  padding: 1.5rem 1.5rem;
  vertical-align: top;
  white-space: nowrap;
  font-weight: 500;
}

.cp-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--border-gold);
  background: var(--gold-dim);
  color: var(--gold);
  font-family: var(--font-title);
  font-size: 0.95rem;
  font-weight: 500;
  margin-right: 0.7rem;
  vertical-align: middle;
}

.cp-name {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text);
  letter-spacing: 0.01em;
  vertical-align: middle;
}

.cp-table td {
  padding: 1.5rem 1.5rem;
  color: var(--text-dim);
  font-weight: 300;
  line-height: 1.6;
  vertical-align: top;
}

.cp-table td code {
  font-family: 'SF Mono', ui-monospace, 'Cascadia Mono', Menlo, monospace;
  font-size: 0.85em;
  color: var(--gold);
  background: rgba(212, 168, 91, 0.08);
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
}

/* Adoption tags */
.cp-tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.cp-tag-on {
  color: var(--gold);
  background: var(--gold-dim);
  border: 1px solid var(--border-gold);
}

.cp-tag-cyan {
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid rgba(136, 193, 212, 0.25);
}

.cp-tag-mid {
  color: var(--text);
  background: rgba(244, 241, 234, 0.05);
  border: 1px solid var(--border);
}

.cp-tag-future {
  color: var(--text-dim);
  background: transparent;
  border: 1px dashed rgba(244, 241, 234, 0.18);
}

/* Mobile cards (hidden by default) */
.cp-cards {
  display: none;
  flex-direction: column;
  gap: 1rem;
  max-width: 540px;
  margin: 0 auto var(--space-lg);
}

.cp-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 2px solid var(--border-gold);
  border-radius: var(--radius-sm);
  padding: 1.25rem 1.5rem;
}

.cp-card header {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border);
}

.cp-card header strong {
  flex: 1 1 auto;
  font-family: var(--font-title);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--text);
}

.cp-card header .cp-tag {
  flex: 0 0 auto;
}

.cp-card dl {
  margin: 0;
  display: grid;
  gap: 0.75rem;
}

.cp-card dt {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.cp-card dd {
  margin: 0.2rem 0 0;
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.6;
}

.cp-card code {
  font-family: 'SF Mono', ui-monospace, 'Cascadia Mono', Menlo, monospace;
  font-size: 0.85em;
  color: var(--gold);
  background: rgba(212, 168, 91, 0.08);
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
}

/* Statement encadré sous le tableau (miroir .landscape-statement, fond bg-lift) */
.cp-statement {
  max-width: 820px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-md);
  font-family: var(--font-title);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  line-height: 1.55;
  color: var(--text);
  text-align: center;
  border-top: 1px solid var(--border-gold);
  border-bottom: 1px solid var(--border-gold);
  position: relative;
}

.cp-statement em {
  color: var(--gold);
  font-style: italic;
  font-weight: 500;
}

.cp-statement::before,
.cp-statement::after {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  border: 1px solid var(--gold);
  background: var(--bg-lift);
  transform: rotate(45deg);
  left: 50%;
  margin-left: -4px;
}

.cp-statement::before { top: -5px; }
.cp-statement::after  { bottom: -5px; }

/* ─── Statement headline (tone v2) ─── */
.statement {
  font-family: var(--font-title);
  font-weight: 300;
  font-size: clamp(2rem, 4.4vw, 3.4rem);
  line-height: 1.15;
  letter-spacing: -0.005em;
  color: var(--text);
}

.statement em,
.statement strong {
  color: var(--gold);
  font-style: italic;
  font-weight: 500;
}

/* ─── S5.7 LANDSCAPE — comparatif ecosystem ─── */
.landscape {
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.landscape-header {
  text-align: center;
  margin-bottom: var(--space-lg);
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.landscape-header h2 br {
  display: inline;
}

.landscape-table-wrap {
  max-width: 1080px;
  margin: 0 auto var(--space-lg);
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-card);
}

.landscape-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 0.92rem;
  text-align: left;
}

.landscape-table thead {
  background: linear-gradient(to bottom, rgba(212, 168, 91, 0.08), transparent);
  border-bottom: 1px solid var(--border-gold);
}

.landscape-table thead th {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  padding: 1.25rem 1.5rem;
  font-variant: small-caps;
}

.landscape-table tbody tr {
  border-top: 1px solid var(--border);
  transition: background 0.3s ease;
}

.landscape-table tbody tr:first-child {
  border-top: none;
}

.landscape-table tbody tr:hover {
  background: linear-gradient(to right, rgba(212, 168, 91, 0.05), transparent);
}

.landscape-table th[scope="row"] {
  font-family: var(--font-title);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--text);
  padding: 1.25rem 1.5rem;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.landscape-table th[scope="row"] .lt-org {
  display: block;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-top: 0.2rem;
  white-space: normal;
}

.landscape-table td {
  padding: 1.25rem 1.5rem;
  color: var(--text-dim);
  font-weight: 300;
  line-height: 1.55;
  vertical-align: top;
}

.landscape-table td.lt-add {
  color: var(--text);
  font-weight: 400;
  font-style: italic;
  border-left: 1px solid var(--border-gold);
}

/* Mobile cards (hidden by default) */
.landscape-cards {
  display: none;
  gap: 1rem;
  flex-direction: column;
  max-width: 520px;
  margin: 0 auto var(--space-lg);
}

.lc-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 2px solid var(--border-gold);
  border-radius: var(--radius-sm);
  padding: 1.25rem 1.5rem;
}

.lc-card header {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.lc-card header strong {
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text);
}

.lc-card header span {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.lc-card dl {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.6rem;
}

.lc-card dt {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.lc-card dd {
  margin: 0.2rem 0 0;
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.55;
}

.lc-card dd.lt-add {
  color: var(--text);
  font-style: italic;
}

/* Statement encadré sous le tableau */
.landscape-statement {
  max-width: 820px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-md);
  font-family: var(--font-title);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  line-height: 1.55;
  color: var(--text);
  text-align: center;
  border-top: 1px solid var(--border-gold);
  border-bottom: 1px solid var(--border-gold);
  position: relative;
}

.landscape-statement::before,
.landscape-statement::after {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  border: 1px solid var(--gold);
  background: var(--bg);
  transform: rotate(45deg);
  left: 50%;
  margin-left: -4px;
}

.landscape-statement::before { top: -5px; }
.landscape-statement::after  { bottom: -5px; }

/* ─── Responsive ─── */
@media (max-width: 1280px) {
  .hero { grid-template-columns: 1fr 0.8fr; }
}

@media (max-width: 768px) {
  :root {
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
  }

  .nav-links { display: none; }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 5rem;
    padding-bottom: var(--space-xl);
  }

  .hero-content {
    padding: var(--space-xl) var(--space-md) 0;
  }

  .hero-visual {
    height: 50vw;
    min-height: 260px;
  }

  .hero-visual::after {
    background: linear-gradient(to bottom, var(--bg) 0%, transparent 30%);
  }

  .stats-grid { grid-template-columns: 1fr; }
  .solution-grid { grid-template-columns: 1fr; }
  .audience-grid { grid-template-columns: 1fr; }
  .modes-grid { grid-template-columns: 1fr; }

  .commons-item { padding: 1rem 1.25rem; }
  .commons-text strong { font-size: 1.1rem; }

  /* Landscape: hide table, show cards */
  .landscape-table-wrap { display: none; }
  .landscape-cards { display: flex; }
  .landscape-statement { font-size: 1.05rem; padding: 1.5rem 1.25rem; }
  .statement { font-size: clamp(1.6rem, 6vw, 2.2rem); }

  /* Cross-platform: hide table, show cards */
  .cp-table-wrap { display: none; }
  .cp-cards { display: flex; }
  .cp-statement { font-size: 1.05rem; padding: 1.5rem 1.25rem; }

  .flow-svg { min-width: 460px; }

  .footer-inner { flex-direction: column; align-items: flex-start; gap: 1.5rem; }
}

/* ─── prefers-reduced-motion ─── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .hero-eyebrow, .hero-title, .hero-tagline, .hero-ctas, .hero-sub { opacity: 1 !important; transform: none !important; }
  .hero-title .palindrome .char { opacity: 1 !important; transform: none !important; }
}