/* ============================================================
   LEARN — landing page styles (sections S0–S9)
   ============================================================ */

/* ---------- S0 · floating pill nav ---------- */
.nav-wrap {
  position: fixed;
  top: 24px;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: center;
  padding: 0 clamp(20px, 4vw, 48px);
  pointer-events: none;
}
.nav {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 28px;
  background: rgba(250, 247, 242, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--r-pill);
  padding: 10px 12px 10px 22px;
  box-shadow: var(--shadow-paper);
  max-width: calc(var(--container) - 2 * clamp(20px, 4vw, 48px));
  width: 100%;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none !important;
}
.nav-brand .seal-mark { width: 30px; height: 30px; transition: transform 900ms var(--ease-settle); }
.nav-brand:hover .seal-mark { transform: rotate(8deg); }
.nav-links {
  display: flex;
  gap: 4px;
  list-style: none;
  margin-right: auto;
}
.nav-links a {
  color: var(--ink-soft);
  font-size: 14.5px;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: var(--r-pill);
  text-decoration: none !important;
  transition: color 180ms var(--ease-settle), background-color 180ms var(--ease-settle);
}
.nav-links a:hover { color: var(--ink); background: rgba(20, 32, 29, 0.05); }

.lang-switch {
  display: flex;
  align-items: center;
  border: 1px solid var(--hairline);
  border-radius: var(--r-pill);
  padding: 3px;
  gap: 2px;
}
.lang-switch button {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  background: transparent;
  border: none;
  border-radius: var(--r-pill);
  padding: 5px 9px;
  cursor: pointer;
  transition: background-color 180ms var(--ease-settle), color 180ms var(--ease-settle);
}
.lang-switch button:hover { color: var(--ink); }
.lang-switch button[aria-pressed="true"] {
  background: var(--verde);
  color: var(--cream-on-verde);
}
.nav-auth {
  color: var(--ink-soft);
  font-size: 14.5px;
  font-weight: 500;
  padding: 8px 10px;
  text-decoration: none !important;
}
.nav-auth:hover { color: var(--ink); }
.nav .btn { padding: 12px 20px; font-size: 14.5px; }
.nav .btn.btn--primary { padding-right: 9px; }
.nav .btn .arrow-chip { width: 26px; height: 26px; }

.nav-burger {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--hairline-strong);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  position: relative;
  flex: none;
}
.nav-burger span {
  position: absolute;
  left: 12px;
  right: 12px;
  height: 1.5px;
  background: var(--ink);
  transition: transform 280ms var(--ease-settle), top 280ms var(--ease-settle), opacity 180ms;
}
.nav-burger span:nth-child(1) { top: 15px; }
.nav-burger span:nth-child(2) { top: 20px; }
.nav-burger span:nth-child(3) { top: 25px; }
body.menu-open .nav-burger span:nth-child(1) { top: 20px; transform: rotate(45deg); }
body.menu-open .nav-burger span:nth-child(2) { opacity: 0; }
body.menu-open .nav-burger span:nth-child(3) { top: 20px; transform: rotate(-45deg); }

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: var(--paper);
  display: none;
  flex-direction: column;
  justify-content: center;
  padding: 80px 32px 48px;
  gap: 8px;
}
body.menu-open .mobile-menu { display: flex; }
.mobile-menu a {
  font-family: var(--font-display);
  font-size: 34px;
  color: var(--ink);
  padding: 12px 0;
  border-bottom: 1px solid var(--hairline);
  text-decoration: none !important;
  opacity: 0;
  transform: translateY(16px);
  animation: menuReveal 500ms var(--ease-settle) forwards;
}
.mobile-menu a:nth-child(2) { animation-delay: 80ms; }
.mobile-menu a:nth-child(3) { animation-delay: 160ms; }
.mobile-menu a:nth-child(4) { animation-delay: 240ms; }
.mobile-menu a:nth-child(5) { animation-delay: 320ms; }
.mobile-menu .btn { margin-top: 28px; align-self: flex-start; opacity: 0; animation: menuReveal 500ms var(--ease-settle) 400ms forwards; }
@keyframes menuReveal { to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  .mobile-menu a, .mobile-menu .btn { animation-duration: 1ms; }
}

/* ---------- S1 · hero ---------- */
.hero {
  position: relative;
  padding-top: clamp(140px, 16vh, 190px);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -300px;
  right: -200px;
  width: 900px;
  height: 900px;
  background: radial-gradient(circle, rgba(199, 145, 43, 0.10) 0%, rgba(199, 145, 43, 0) 62%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 55fr 45fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.hero h1 {
  font-size: var(--h1);
  margin: 26px 0 24px;
}
.hero h1 em {
  font-style: italic;
  font-variation-settings: "opsz" 144;
  color: var(--verde);
}
.hero-sub {
  color: var(--ink-soft);
  font-size: 18px;
  max-width: 52ch;
  margin-bottom: 36px;
}
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.hero-trust {
  margin-top: 30px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 0;
  align-items: center;
}
.hero-trust > span { white-space: nowrap; }
.hero-trust .dot { margin: 0 12px; color: var(--gold); }

/* hero cascade */
.cascade {
  position: relative;
  min-height: 620px;
}
.cascade .matted { position: absolute; }
.card-player {
  width: min(400px, 86%);
  top: 0;
  left: 0;
  transform: rotate(calc(-2deg * var(--hero-tilt)));
  z-index: 1;
}
.card-cert {
  width: min(360px, 80%);
  bottom: 0;
  right: 0;
  transform: rotate(calc(3deg * var(--hero-tilt)));
  z-index: 2;
  box-shadow: var(--shadow-paper-lg);
}
.chip-valid {
  position: absolute;
  top: -18px;
  left: -26px;
  z-index: 3;
  white-space: nowrap;
  transform: rotate(calc(-1deg * var(--hero-tilt)));
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: var(--paper-raised);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--r-pill);
  padding: 10px 18px 10px 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--verde);
  box-shadow: var(--shadow-paper);
}
.chip-valid .tick {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--verde-bright);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
}
.chip-valid .tick svg { width: 11px; height: 11px; }

/* mini player mock */
.player-mock { font-size: 12px; }
.player-video {
  position: relative;
  aspect-ratio: 16 / 9;
  background:
    radial-gradient(120% 140% at 20% 0%, #1d3a33 0%, #14201d 58%, #0d1614 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}
.player-video .playbtn {
  width: 52px; height: 52px;
  border-radius: 50%;
  border: 1.5px solid rgba(245, 239, 228, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #F5EFE4;
}
.player-video .timeline {
  position: absolute;
  left: 14px; right: 14px; bottom: 12px;
  height: 3px;
  background: rgba(245, 239, 228, 0.25);
  border-radius: 2px;
}
.player-video .timeline i {
  display: block;
  width: 38%;
  height: 100%;
  background: var(--verde-bright);
  border-radius: 2px;
}
.player-body { padding: 16px 18px 18px; }
.player-body h4 {
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 12px;
}
.lesson-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-top: 1px solid var(--hairline);
  color: var(--ink-soft);
  font-size: 12.5px;
  white-space: nowrap;
}
.lesson-row .l-label { overflow: hidden; text-overflow: ellipsis; min-width: 0; flex: 1; }
.lesson-row .l-ico {
  width: 18px; height: 18px;
  border-radius: 50%;
  border: 1.25px solid var(--hairline-strong);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  color: var(--verde-bright);
}
.lesson-row.done .l-ico { border-color: var(--verde-bright); }
.lesson-row .l-time { margin-left: auto; font-family: var(--font-mono); font-size: 11px; }
.lesson-row.active { color: var(--ink); font-weight: 600; }
.lesson-row.active .l-ico { border-color: var(--verde); color: var(--verde); }

/* certificate render (shared: hero small + S5 large) */
.cert {
  padding: clamp(18px, 6%, 36px);
  text-align: center;
  background:
    linear-gradient(160deg, #FFFFFF 0%, #FDFAF4 100%);
  position: relative;
}
.cert-rule {
  width: 56px;
  height: 1px;
  background: var(--gold);
  margin: 0 auto;
}
.cert .cert-eyebrow {
  font-family: var(--font-ui);
  font-size: 9px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 14px 0 10px;
}
.cert .cert-name {
  font-family: var(--font-display);
  font-size: clamp(22px, 5.5cqw, 34px);
  font-weight: 560;
  font-style: italic;
  letter-spacing: 0;
  margin: 6px 0 4px;
}
.cert .cert-course {
  font-size: 12px;
  color: var(--ink-soft);
  max-width: 30ch;
  margin: 0 auto 18px;
  line-height: 1.45;
}
.cert .cert-footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  margin-top: 18px;
  text-align: left;
}
.cert .cert-code {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.cert .cert-code b { display: block; color: var(--ink); font-weight: 500; font-size: 11.5px; }
.cert .seal-mark { width: 64px; height: 64px; flex: none; }

/* ---------- S2 · credibility strip ---------- */
.cred {
  margin-top: var(--section-gap);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  padding: 28px 0;
}
.cred-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.cred-claim { color: var(--ink-soft); font-size: 15.5px; max-width: 40ch; }
.cred-stats { display: flex; flex-wrap: wrap; gap: 10px; }
.stat-token {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--ink);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--r-pill);
  padding: 7px 14px;
  white-space: nowrap;
}

/* ---------- section header pattern ---------- */
.section { margin-top: var(--section-gap); }
.section-head { max-width: 640px; margin-bottom: clamp(40px, 6vw, 72px); }
.section-head h1, .section-head h2 { font-size: var(--h2); margin-top: 18px; line-height: 1.12; letter-spacing: -0.02em; }
.section-head .lede { color: var(--ink-soft); margin-top: 16px; font-size: 17px; }

/* ---------- S3 · numbered steps ---------- */
.step {
  display: grid;
  grid-template-columns: minmax(90px, 180px) 1fr minmax(220px, 380px);
  gap: clamp(20px, 4vw, 56px);
  align-items: center;
  padding: clamp(36px, 5vw, 56px) 0;
  border-top: 1px solid var(--hairline);
}
.step:last-of-type { border-bottom: 1px solid var(--hairline); }
.step-num {
  font-family: var(--font-display);
  font-size: clamp(64px, 8vw, 120px);
  font-weight: 400;
  line-height: 1;
  color: var(--ink);
  opacity: 0.16;
  font-variation-settings: "opsz" 144;
}
.step h3 { font-size: var(--h3); margin-bottom: 10px; font-family: var(--font-ui); font-weight: 700; letter-spacing: -0.01em; }
.step p { color: var(--ink-soft); font-size: 16px; max-width: 48ch; }

.step-visual { justify-self: end; width: 100%; }

/* step visuals */
.browser-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--paper-raised);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--r-pill);
  padding: 10px 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-soft);
  box-shadow: var(--shadow-paper);
}
.browser-chip .lock { color: var(--verde-bright); display: inline-flex; }
.browser-chip b { color: var(--ink); font-weight: 500; }
.invite-line {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
  padding: 10px 18px;
  font-size: 13px;
  color: var(--ink-soft);
}
.invite-line svg { color: var(--gold); flex: none; }

.builder-mock { font-size: 12.5px; }
.builder-mock .b-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--hairline);
  font-weight: 600;
  font-size: 13px;
}
.builder-mock .b-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--verde-bright);
  border: 1px solid currentColor;
  border-radius: var(--r-pill);
  padding: 2px 8px;
}
.builder-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  border-bottom: 1px solid var(--hairline);
  color: var(--ink-soft);
  white-space: nowrap;
  overflow: hidden;
}
.builder-row > .b-label { overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.builder-row:last-child { border-bottom: none; }
.builder-row svg { color: var(--verde); flex: none; opacity: 0.7; }
.builder-row .grip { color: var(--hairline-strong); opacity: 1; cursor: grab; }
.builder-row .b-type { margin-left: auto; font-family: var(--font-mono); font-size: 10px; color: var(--ink-soft); opacity: 0.7; }

.arc-visual {
  display: flex;
  align-items: center;
  gap: 18px;
  justify-content: flex-end;
}
.arc-wrap { position: relative; width: 120px; height: 120px; flex: none; }
.arc-wrap svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.arc-track { stroke: var(--hairline-strong); }
.arc-fill {
  stroke: var(--verde-bright);
  stroke-dasharray: 326.7;
  stroke-dashoffset: 326.7;
  transition: stroke-dashoffset 1400ms var(--ease-settle) 200ms;
}
.in .arc-fill, html:not(.js) .arc-fill { stroke-dashoffset: 0; }
.arc-label {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
}
.arc-label b { font-size: 22px; font-weight: 500; }
.arc-label span { font-size: 9px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-soft); }

/* ---------- S4 · bento ---------- */
.bento {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
}
.bento .matted { padding: var(--mat); display: flex; }
.bento .matted-inner {
  width: 100%;
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.bento .cell-ico {
  width: 40px; height: 40px;
  border: 1px solid var(--hairline-strong);
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--verde);
  margin-bottom: 12px;
}
.bento h3 { font-family: var(--font-ui); font-weight: 700; font-size: 18px; letter-spacing: -0.01em; }
.bento p { color: var(--ink-soft); font-size: 14.5px; max-width: 46ch; }
.cell-8 { grid-column: span 8; }
.cell-6 { grid-column: span 6; }
.cell-4 { grid-column: span 4; }

.cell-hero .matted-inner { padding: 0; flex-direction: row; gap: 0; }
.cell-hero .cell-copy { padding: 30px; display: flex; flex-direction: column; gap: 8px; flex: 1 1 46%; }
.cell-hero .cell-shot {
  flex: 1 1 54%;
  border-left: 1px solid var(--hairline);
  background: var(--paper);
  display: flex;
  align-items: center;
  padding: 24px 0 24px 24px;
}
.cell-hero .cell-shot .player-frame {
  border: 1px solid var(--hairline);
  border-radius: 14px 0 0 14px;
  border-right: none;
  overflow: hidden;
  background: var(--paper-raised);
  width: 100%;
  box-shadow: var(--shadow-paper);
}

.quiz-mock { margin-top: auto; padding-top: 14px; display: flex; flex-direction: column; gap: 7px; }
.quiz-opt {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 12.5px;
  color: var(--ink-soft);
  border: 1px solid var(--hairline);
  border-radius: 10px;
  padding: 8px 12px;
}
.quiz-opt .q-radio {
  width: 14px; height: 14px;
  border-radius: 50%;
  border: 1.25px solid var(--hairline-strong);
  flex: none;
}
.quiz-opt.correct { border-color: rgba(27, 138, 107, 0.45); color: var(--ink); }
.quiz-opt.correct .q-radio { border-color: var(--verde-bright); background: radial-gradient(circle, var(--verde-bright) 45%, transparent 50%); }
.quiz-score { font-family: var(--font-mono); font-size: 11px; color: var(--verde-bright); margin-top: 4px; }

.verify-widget { margin-top: auto; padding-top: 14px; display: flex; flex-direction: column; gap: 8px; }
.verify-input {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  border: 1px solid var(--hairline-strong);
  border-radius: 10px;
  padding: 9px 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
}
.verify-input .caret { color: var(--verde-bright); animation: caretBlink 1.1s steps(1) infinite; }
@keyframes caretBlink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .verify-input .caret { animation: none; } }
.verify-result {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--verde-bright);
}
.verify-result .tick {
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--verde-bright);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.verify-result .tick svg { width: 9px; height: 9px; }

.stats-mock { margin-top: auto; padding-top: 14px; }
.bars { display: flex; align-items: flex-end; gap: 7px; height: 64px; margin-bottom: 12px; }
.bars i {
  flex: 1;
  background: var(--verde);
  opacity: 0.18;
  border-radius: 3px 3px 0 0;
  transform-origin: bottom;
  transition: transform 900ms var(--ease-settle);
}
html.js .reveal:not(.in) .bars i { transform: scaleY(0.15); }
.bars i:nth-child(5) { opacity: 1; background: var(--verde-bright); }
.mono-chips { display: flex; gap: 6px; }
.mono-chips span {
  font-family: var(--font-mono);
  font-size: 10.5px;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--r-pill);
  padding: 3px 10px;
  color: var(--ink-soft);
}
.lang-pills { display: flex; gap: 8px; margin-top: auto; padding-top: 14px; }
.lang-pills span {
  font-family: var(--font-mono);
  font-size: 13px;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--r-pill);
  padding: 7px 16px;
}
.lang-pills span:first-child { background: var(--verde); color: var(--cream-on-verde); border-color: var(--verde); }

/* ---------- S5 · certificate spotlight ---------- */
.spotlight {
  margin-top: var(--section-gap);
  background: var(--paper-deep);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  padding: clamp(64px, 9vw, 130px) 0;
}
.spotlight-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(40px, 6vw, 88px);
  align-items: center;
}
.spotlight .cert { container-type: inline-size; }
.spotlight .matted { box-shadow: var(--shadow-paper-lg); }
.spotlight-verify { margin-top: 24px; display: flex; justify-content: center; }
.spotlight-copy h2 { font-size: var(--h2); margin-top: 18px; }
.spotlight-copy .lede { color: var(--ink-soft); margin: 20px 0 8px; }
.proof-list { list-style: none; margin-top: 22px; }
.proof-list li {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--hairline);
  color: var(--ink-soft);
  font-size: 15.5px;
}
.proof-list li svg { flex: none; color: var(--verde-bright); margin-top: 3px; }
.proof-list li b { color: var(--ink); font-weight: 600; }

/* ---------- S6 · audiences ---------- */
.audiences {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.aud-card .matted-inner { padding: clamp(28px, 4vw, 44px); display: flex; flex-direction: column; height: 100%; }
.aud-card h3 { font-size: var(--h3); margin: 16px 0 18px; }
.aud-list { list-style: none; display: flex; flex-direction: column; }
.aud-list li {
  display: flex;
  gap: 12px;
  padding: 11px 0;
  border-top: 1px solid var(--hairline);
  color: var(--ink-soft);
  font-size: 15.5px;
}
.aud-list li svg { flex: none; color: var(--verde); margin-top: 4px; opacity: 0.8; }
.aud-cta {
  margin-top: auto;
  padding-top: 26px;
  font-weight: 600;
  color: var(--verde-bright);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.aud-cta svg { transition: transform 180ms var(--ease-settle); }
.aud-cta:hover svg { transform: translateX(3px); }

/* ---------- S7 · trust band ---------- */
.trust-band {
  margin-top: var(--section-gap);
  background: var(--verde);
  color: var(--cream-on-verde);
  padding: clamp(36px, 5vw, 56px) 0;
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.trust-item { display: flex; align-items: flex-start; gap: 14px; }
.trust-item svg { flex: none; color: var(--gold-soft); margin-top: 2px; }
.trust-item b { display: block; font-size: 15.5px; font-weight: 600; margin-bottom: 3px; }
.trust-item span { font-size: 13.5px; color: rgba(245, 239, 228, 0.72); }

/* ---------- S8 · final CTA ---------- */
.final-cta {
  margin-top: var(--section-gap);
  text-align: center;
  position: relative;
  padding: 20px 0;
  overflow: hidden;
}
.final-cta .seal-watermark {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 460px;
  height: 460px;
  transform: translate(-50%, -50%);
  opacity: 0.045;
  pointer-events: none;
}
.final-cta h2 { font-size: clamp(36px, 4.6vw, 60px); max-width: 18ch; margin: 18px auto 0; }
.final-cta .lede { color: var(--ink-soft); margin: 20px auto 36px; max-width: 46ch; }

/* ---------- S9 · footer ---------- */
.footer {
  margin-top: var(--section-gap);
  background: var(--verde);
  color: var(--cream-on-verde);
  padding: clamp(56px, 7vw, 88px) 0 36px;
}
.footer a { color: rgba(245, 239, 228, 0.78); text-decoration: none; font-size: 14.5px; }
.footer a:hover { color: var(--cream-on-verde); text-decoration: underline; text-underline-offset: 3px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(245, 239, 228, 0.14);
}
.footer-brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-size: 22px; }
.footer-brand .seal-mark { width: 28px; height: 28px; }
.footer-mission { margin-top: 14px; font-size: 14.5px; color: rgba(245, 239, 228, 0.72); max-width: 30ch; }
.footer h4 {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(245, 239, 228, 0.55);
  margin-bottom: 16px;
}
.footer ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer .lang-switch { border-color: rgba(245, 239, 228, 0.25); align-self: flex-start; display: inline-flex; }
.footer .lang-switch button { color: rgba(245, 239, 228, 0.72); }
.footer .lang-switch button[aria-pressed="true"] { background: var(--cream-on-verde); color: var(--verde); }
.footer-legal {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 28px;
  font-size: 13px;
  color: rgba(245, 239, 228, 0.6);
}
.footer-legal a { font-size: inherit; }
.footer-legal .egg {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: rgba(245, 239, 228, 0.4);
  letter-spacing: 0.05em;
}

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .nav-links { display: none; }
  .nav-auth { display: none; }
}
@media (max-width: 880px) {
  .hero-grid { grid-template-columns: 1fr; }
  .cascade {
    min-height: 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: stretch;
    margin-top: 12px;
  }
  .cascade .matted { position: static; transform: none; width: 100%; }
  .card-cert { position: relative; }
  .card-cert .chip-valid { top: -14px; left: 14px; transform: none; }
  .step { grid-template-columns: 64px 1fr; }
  .step-visual { grid-column: 2; justify-self: start; max-width: 420px; }
  .arc-visual { justify-content: flex-start; }
  .cell-8, .cell-6, .cell-4 { grid-column: span 12; }
  .cell-hero .matted-inner { flex-direction: column; }
  .cell-hero .cell-shot { border-left: none; border-top: 1px solid var(--hairline); padding: 20px 0 0 20px; }
  .spotlight-grid { grid-template-columns: 1fr; }
  .audiences { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .nav .btn span.btn-label { display: none; }
  .nav .btn { padding: 9px; }
  .nav .btn.btn--primary { padding: 9px; }
  .nav-burger { display: block; }
  .lang-switch { margin-left: auto; }
  .nav { gap: 12px; }
}
@media (max-width: 540px) {
  .nav { gap: 8px; padding: 8px 8px 8px 14px; }
  .nav-brand { font-size: 19px; }
  .nav-brand .seal-mark { width: 26px; height: 26px; }
  .lang-switch button { padding: 5px 6px; }
  .trust-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .cred-row { flex-direction: column; align-items: flex-start; }
  .step { grid-template-columns: 1fr; gap: 14px; }
  .step-num { font-size: 56px; }
  .step-visual { grid-column: 1; }
  .hero-ctas .btn { width: 100%; justify-content: center; }
  .hero-ctas .btn--primary { justify-content: space-between; }
}