/* Oído — design system
   Paper-first editorial language. Source of truth: OIDO-DESIGN-SYSTEM.md.
   Tokens + base + components + animations + prose + responsive + a11y. */

/* ───────────────────────── tokens ───────────────────────── */
:root {
  --paper: #FAF8F4;
  --paper-deep: #F3EFE7;
  --paper-warm: #E5E0D5;
  --ink: #1A1F1E;
  --ink-muted: #6B7270;
  --ink-faint: #A09A8E;
  --hair: rgba(26, 31, 30, 0.08);
  --hair-strong: rgba(26, 31, 30, 0.14);

  --oido-50:  #f0fdfa;
  --oido-100: #ccfbf1;
  --oido-200: #99f6e4;
  --oido-300: #5eead4;
  --oido-400: #2dd4bf;
  --oido-500: #14b8a6;
  --oido-600: #0d9488;
  --oido-700: #0f766e;
  --oido-800: #115e59;
  --oido-900: #134e4a;

  --serif: 'Instrument Serif', ui-serif, Georgia, serif;
  --sans: 'Geist', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --mono: 'Geist Mono', 'JetBrains Mono', ui-monospace, monospace;
}

/* ───────────────────────── base ───────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--paper); }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  color: var(--ink);
  font-feature-settings: 'ss01', 'cv11';
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  line-height: 1.5;
}
::selection { background: rgba(13, 148, 136, 0.22); color: var(--oido-700); }

a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; }
img { max-width: 100%; display: block; }

/* ───────────────────────── typography ───────────────────────── */
.eyebrow {
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.eyebrow-l {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--oido-700);
}
.eyebrow-teal { color: var(--oido-700); }

.display {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.02em;
}
.wordmark {
  font-family: var(--serif);
  font-weight: 400;
  font-style: italic;
  letter-spacing: -0.015em;
}
em.tealish { color: var(--oido-700); font-style: italic; }
em.tealish-light { color: var(--oido-300); font-style: italic; }

/* Web-tuned scale (~40% smaller than slide scale) */
.display-xl-web { font-family: var(--serif); font-weight: 400; font-size: clamp(56px, 9vw, 124px); line-height: 0.94; letter-spacing: -0.028em; }
.display-l-web  { font-family: var(--serif); font-weight: 400; font-size: clamp(44px, 6vw, 80px);  line-height: 1.0;  letter-spacing: -0.025em; }
.display-m-web  { font-family: var(--serif); font-weight: 400; font-size: clamp(36px, 4.8vw, 56px); line-height: 1.04; letter-spacing: -0.022em; }
.display-s-web  { font-family: var(--serif); font-weight: 400; font-size: clamp(28px, 3.4vw, 40px); line-height: 1.1; letter-spacing: -0.015em; }

.body-l { font-family: var(--sans); font-size: clamp(17px, 1.6vw, 21px); line-height: 1.5; color: var(--ink-muted); }
.body-m { font-family: var(--sans); font-size: 16px; line-height: 1.6; color: var(--ink-muted); }

.mono-tag {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-faint);
}

/* ───────────────────────── canvas, grain, halo, rule ───────────────────────── */
.canvas {
  position: relative;
  background-color: var(--paper);
  background-image:
    radial-gradient(
      ellipse 60% 45% at 50% 18%,
      rgba(20, 184, 166, 0.10) 0%,
      rgba(20, 184, 166, 0.04) 35%,
      rgba(250, 248, 244, 0) 72%
    ),
    radial-gradient(
      ellipse 100% 60% at 50% 98%,
      rgba(243, 239, 231, 0.7) 0%,
      rgba(250, 248, 244, 0) 60%
    );
}
.grain::after {
  content: '';
  position: absolute; inset: 0; pointer-events: none;
  opacity: 0.035;
  background-image:
    repeating-linear-gradient(0deg, rgba(26,31,30,0.55) 0 1px, transparent 1px 3px),
    repeating-linear-gradient(90deg, rgba(26,31,30,0.55) 0 1px, transparent 1px 3px);
  mix-blend-mode: multiply;
}
.halo, .halo-bg {
  background: radial-gradient(
    circle at center,
    rgba(13, 148, 136, 0.22) 0%,
    rgba(13, 148, 136, 0.08) 45%,
    transparent 70%
  );
  pointer-events: none;
}
.rule {
  height: 1px;
  background: linear-gradient(to right,
    transparent 0%,
    rgba(26,31,30,0.12) 20%,
    rgba(26,31,30,0.12) 80%,
    transparent 100%);
  border: 0;
}

/* ───────────────────────── chip ───────────────────────── */
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 16px; border-radius: 999px;
  font-family: var(--mono); font-size: 12px;
  letter-spacing: 0.06em;
  background: var(--oido-50); color: var(--oido-700);
  border: 1px solid rgba(13,148,136,0.22);
}
.chip-ink {
  background: rgba(26,31,30,0.04); color: var(--ink);
  border: 1px solid var(--hair-strong);
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 16px; border-radius: 999px;
  font-family: var(--mono); font-size: 12px;
  letter-spacing: 0.06em;
}
.chip-ink.active, .chip-ink[aria-pressed="true"] {
  background: var(--ink); color: var(--paper); border-color: var(--ink);
}

/* ───────────────────────── card ───────────────────────── */
.card {
  background: #fff;
  border: 1px solid var(--hair);
  border-radius: 22px;
  box-shadow: 0 1px 0 rgba(255,255,255,0.6) inset, 0 22px 50px -28px rgba(13,148,136,0.20);
}
.card.featured {
  border: 1.5px solid var(--oido-500);
  box-shadow: 0 1px 0 rgba(255,255,255,0.6) inset, 0 28px 60px -28px rgba(13,148,136,0.40);
}
.card-hero {
  background: #fff; border: 1px solid var(--hair);
  border-radius: 24px;
  padding: 40px 44px;
  box-shadow: 0 1px 0 rgba(255,255,255,0.6) inset, 0 28px 60px -32px rgba(13,148,136,0.22);
}

/* ───────────────────────── feat list ───────────────────────── */
.feat {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 14px 0; border-top: 1px solid var(--hair);
  font-size: 17px; color: var(--ink); line-height: 1.45;
}
.feat:last-child { border-bottom: 1px solid var(--hair); }
.feat .b {
  width: 22px; height: 22px; border-radius: 999px; flex-shrink: 0;
  background: var(--oido-500);
  display: flex; align-items: center; justify-content: center;
  margin-top: 2px;
}
.feat .b svg { width: 12px; height: 12px; stroke: #fff; stroke-width: 3.2; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.feat .lbl { font-weight: 500; }
.feat .desc { font-size: 15px; color: var(--ink-muted); margin-top: 2px; }

/* ───────────────────────── step card ───────────────────────── */
.step-card {
  background: #fff; border: 1px solid var(--hair); border-radius: 22px;
  padding: 44px 32px 32px;
  position: relative;
  box-shadow: 0 1px 0 rgba(255,255,255,0.6) inset, 0 22px 50px -30px rgba(13,148,136,0.18);
  display: flex; flex-direction: column; gap: 14px;
}
.step-card .num {
  position: absolute; top: -22px; left: 28px;
  width: 52px; height: 52px;
  background: var(--ink); color: #fff;
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--serif); font-style: italic;
  font-size: 26px; letter-spacing: -0.02em;
  box-shadow: 0 12px 24px -10px rgba(13,148,136,0.35);
}
.step-card .step-eyebrow {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--oido-700);
  margin-top: 8px;
}
.step-card .step-title {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(22px, 2.2vw, 30px); line-height: 1.05; letter-spacing: -0.018em;
  color: var(--ink);
}
.step-card .step-body {
  font-size: 15px; line-height: 1.55; color: var(--ink-muted);
}

/* ───────────────────────── result band ───────────────────────── */
.result-band {
  background: var(--ink); color: #fff;
  border-radius: 22px;
  padding: 36px 40px;
  display: flex; align-items: center; justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
}
.result-band .stat {
  display: inline-flex; flex-direction: column; align-items: center;
  gap: 6px; min-width: 0;
}
.result-band .stat .num {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(40px, 5vw, 64px); line-height: 1;
  letter-spacing: -0.02em;
  color: var(--oido-300);
  white-space: nowrap;
}
.result-band .stat .lbl {
  font-family: var(--sans); font-weight: 500;
  font-size: 13px; letter-spacing: 0.04em;
  color: rgba(255,255,255,0.85);
  text-transform: none;
  text-align: center;
}
.result-band .sep {
  width: 1px; height: 64px;
  background: rgba(255,255,255,0.12);
  flex-shrink: 0;
}

/* ───────────────────────── pill button ───────────────────────── */
.pill-contact {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px; border-radius: 999px;
  font-size: 15px; font-weight: 500;
  text-decoration: none; white-space: nowrap;
  transition: transform 200ms cubic-bezier(.22,1,.36,1), box-shadow 200ms;
  border: 1px solid transparent;
}
.pill-contact.solid {
  background: linear-gradient(180deg, var(--oido-600), var(--oido-700));
  color: #fff; font-weight: 600;
  box-shadow: 0 14px 30px -10px rgba(13,148,136,0.55), 0 2px 4px rgba(13,148,136,0.2);
}
.pill-contact.solid:hover { transform: translateY(-2px); box-shadow: 0 18px 36px -10px rgba(13,148,136,0.65), 0 2px 4px rgba(13,148,136,0.25); }
.pill-contact.ink {
  background: var(--ink); color: #fff;
}
.pill-contact.ink:hover { transform: translateY(-2px); }
.pill-contact.ghost {
  color: var(--ink); background: rgba(255,255,255,0.5);
  border-color: var(--hair-strong);
}
.pill-contact.ghost:hover { background: #fff; transform: translateY(-2px); }
.pill-contact.small {
  padding: 10px 16px; font-size: 13px; gap: 6px;
}

/* ───────────────────────── brand lockup ───────────────────────── */
.brand-lockup { display: inline-flex; align-items: center; gap: 10px; height: 56px; text-decoration: none; }
.brand-lockup img { height: 56px; width: auto; display: block; }

/* ───────────────────────── nav ───────────────────────── */
.oido-nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: background-color 200ms, border-color 200ms;
}
.oido-nav[data-scrolled="true"] {
  border-bottom-color: var(--hair);
  background: rgba(250, 248, 244, 0.85);
}
.oido-nav .row {
  max-width: 1240px; margin: 0 auto; padding: 16px 32px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.oido-nav .links { display: flex; align-items: center; gap: 4px; }
.oido-nav .nav-link {
  font-size: 13px; color: var(--ink-muted); font-weight: 500;
  padding: 8px 14px; border-radius: 8px;
  background: transparent; border: none; font-family: inherit;
  display: inline-flex; align-items: center; gap: 6px; cursor: pointer;
}
.oido-nav .nav-link[aria-current="page"], .oido-nav .nav-link[aria-expanded="true"] { color: var(--ink); }
.oido-nav .actions { display: flex; align-items: center; gap: 10px; }
.oido-nav .btn-login {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; color: var(--ink-muted); font-weight: 500;
  padding: 8px 14px; border-radius: 999px;
}

.oido-menu {
  position: absolute; top: calc(100% + 8px); left: 0;
  min-width: 320px;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--hair); border-radius: 16px;
  box-shadow: 0 24px 48px -12px rgba(26,31,30,0.18), 0 4px 8px rgba(26,31,30,0.04);
  padding: 8px; display: flex; flex-direction: column; gap: 2px;
  animation: rise 260ms cubic-bezier(.22,1,.36,1) both;
}
.oido-menu a {
  display: flex; flex-direction: column; gap: 4px;
  padding: 12px 14px; border-radius: 10px;
  transition: background 160ms;
}
.oido-menu a:hover { background: rgba(243,239,231,0.6); }
.oido-menu .menu-eyebrow { font-size: 9px; }
.oido-menu .menu-title { font-family: var(--serif); font-size: 18px; color: var(--ink); line-height: 1.1; }
.oido-menu .menu-desc { font-size: 12px; color: var(--ink-muted); line-height: 1.4; }

.oido-mobile-toggle {
  display: none;
  background: transparent; border: 1px solid var(--hair-strong);
  width: 40px; height: 40px; border-radius: 999px;
  align-items: center; justify-content: center;
  color: var(--ink);
}
.oido-mobile-panel {
  display: none;
  position: absolute; top: 100%; left: 0; right: 0;
  background: var(--paper); border-bottom: 1px solid var(--hair);
  padding: 24px 32px; flex-direction: column; gap: 8px;
}
.oido-mobile-panel[data-open="true"] { display: flex; }
.oido-mobile-panel a {
  padding: 14px 16px; border-radius: 12px;
  font-size: 16px; color: var(--ink); font-weight: 500;
  border: 1px solid var(--hair);
}
.oido-mobile-panel a[aria-current="page"] {
  color: var(--oido-700); border-color: rgba(13,148,136,0.25); background: var(--oido-50);
}

/* ───────────────────────── footer ───────────────────────── */
.oido-footer {
  background: #0F1716; color: rgba(255,255,255,0.7);
  padding: 64px 32px 32px;
}
.oido-footer .inner { max-width: 1240px; margin: 0 auto; }
.oido-footer .top { padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.oido-footer .cols { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.oido-footer .cols .eyebrow { color: rgba(255,255,255,0.4); margin-bottom: 14px; display: block; }
.oido-footer .cols ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.oido-footer .cols a { font-size: 13.5px; color: rgba(255,255,255,0.7); }
.oido-footer .cols a:hover { color: rgba(255,255,255,0.95); }
.oido-footer .bottom { padding-top: 28px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.oido-footer .bottom .copy { font-size: 12px; color: rgba(255,255,255,0.4); }
.oido-footer .bottom .tagline { font-family: var(--mono); font-size: 11px; color: rgba(255,255,255,0.35); letter-spacing: 0.04em; text-transform: uppercase; }

/* ───────────────────────── CTA banda ink ───────────────────────── */
.oido-cta {
  background: var(--ink); padding: 120px 32px;
  position: relative; overflow: hidden;
}
.oido-cta .inner { max-width: 1240px; margin: 0 auto; position: relative; z-index: 1; }
.oido-cta h2 { color: #fff; font-family: var(--serif); font-weight: 400;
  font-size: clamp(40px, 5vw, 72px); line-height: 1.0; letter-spacing: -0.02em; margin: 0 0 24px; }
.oido-cta p { font-size: 17px; color: rgba(255,255,255,0.7); max-width: 560px; margin: 0 0 40px; line-height: 1.6; }
.oido-cta .ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.oido-cta .ctas a.solid {
  background: #fff; color: var(--oido-700); font-size: 16px; font-weight: 600;
  padding: 16px 26px; border-radius: 999px; display: inline-flex; align-items: center; gap: 8px;
}
.oido-cta .ctas a.ghost {
  color: #fff; font-size: 16px; font-weight: 500; padding: 16px 26px; border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.25); display: inline-flex; align-items: center; gap: 8px;
}
.oido-cta .halo-cta {
  position: absolute; width: 800px; height: 800px;
  top: -30%; left: 50%; transform: translateX(-50%); opacity: 0.4;
}

/* ───────────────────────── animations ───────────────────────── */
@keyframes breathe {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.04); opacity: 0.92; }
}
@keyframes ripple {
  0% { transform: scale(0.9); opacity: 0.55; }
  100% { transform: scale(2.2); opacity: 0; }
}
@keyframes drift {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(3%, -2%); }
}
@keyframes rise {
  0% { transform: translateY(8px); opacity: 0; }
  100% { transform: translateY(0); opacity: 1; }
}
@keyframes spring-in {
  0%   { transform: scale(0.7); opacity: 0; }
  60%  { transform: scale(1.08); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}
@keyframes draw {
  0% { stroke-dashoffset: 100; }
  100% { stroke-dashoffset: 0; }
}
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
@keyframes wave-bar {
  0%, 100% { transform: scaleY(0.6); opacity: 0.7; }
  50%      { transform: scaleY(1); opacity: 1; }
}

.anim-breathe { animation: breathe 3.2s ease-in-out infinite; }
.anim-ripple-slow { animation: ripple 3.4s ease-out infinite; }
.anim-ripple-slower { animation: ripple 4.8s ease-out infinite 1.6s; }
.anim-drift-slow { animation: drift 14s ease-in-out infinite; }
.anim-rise { animation: rise 600ms cubic-bezier(.22,1,.36,1) both; }
.anim-spring-in { animation: spring-in 520ms cubic-bezier(.34,1.56,.64,1) both; }
.anim-draw { animation: draw 700ms cubic-bezier(.22,1,.36,1) 200ms both; }

/* reveal */
[data-reveal] {
  opacity: 0; transform: translateY(14px);
  transition: opacity 700ms cubic-bezier(.2,.7,.2,1), transform 700ms cubic-bezier(.2,.7,.2,1);
}
[data-revealed="true"] { opacity: 1; transform: translateY(0); }

/* ───────────────────────── mic-orb hero visual ───────────────────────── */
.mic-orb { position: relative; width: 260px; height: 260px; display: inline-block; }
.mic-orb .ring {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  border-radius: 999px; pointer-events: none;
}
.mic-orb .ring-1 { width: 420px; height: 420px; border: 1px solid rgba(94,234,212,0.45); }
.mic-orb .ring-2 { width: 340px; height: 340px; border: 1px solid rgba(45,212,191,0.40); }
.mic-orb .pulse  { width: 290px; height: 290px; background: rgba(20,184,166,0.10); }
.mic-orb .core {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  width: 200px; height: 200px; border-radius: 999px;
  background: linear-gradient(140deg, var(--oido-500) 0%, var(--oido-700) 100%);
  box-shadow: 0 36px 80px -16px rgba(13,148,136,0.55), 0 4px 8px rgba(13,148,136,0.25), inset 0 1px 0 rgba(255,255,255,0.3);
  display: flex; align-items: center; justify-content: center;
}
.mic-orb .core svg { width: 70px; height: 70px; stroke: #fff; stroke-width: 1.6; fill: none; stroke-linecap: round; stroke-linejoin: round; filter: drop-shadow(0 2px 4px rgba(0,0,0,0.18)); }

/* ───────────────────────── waveform ───────────────────────── */
.waveform { display: flex; align-items: center; gap: 3px; height: 36px; }
.waveform span {
  width: 2px; border-radius: 2px; background: var(--oido-600);
  transform-origin: center;
}
.waveform span.dim { background: var(--ink-faint); opacity: 0.4; }

/* ───────────────────────── note-field ───────────────────────── */
.note-field .lbl { font-family: var(--sans); font-size: 9px; font-weight: 500; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-muted); margin-bottom: 4px; }
.note-field .val { font-size: 13.5px; line-height: 1.5; color: var(--ink); border-left: 2px solid transparent; padding-left: 0; }
.note-field.highlight .val { border-color: var(--oido-500); padding-left: 10px; }

/* Auto-fill animation: each field starts hidden as a skeleton, fills in sequentially */
.autofill-field {
  position: relative;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 520ms cubic-bezier(.22,1,.36,1), transform 520ms cubic-bezier(.22,1,.36,1);
}
.autofill-field.filling .lbl,
.autofill-field.filling .val,
.autofill-field.filling .chip {
  opacity: 0;
}
.autofill-field.filled {
  opacity: 1;
  transform: translateY(0);
}
.autofill-field.filled .lbl,
.autofill-field.filled .val,
.autofill-field.filled .chip {
  opacity: 1;
  transition: opacity 360ms ease-out;
}
.autofill-field.filled .val {
  animation: shimmer-in 700ms cubic-bezier(.22,1,.36,1) both;
}
@keyframes shimmer-in {
  0% { background: linear-gradient(90deg, rgba(13,148,136,0.18) 0%, rgba(13,148,136,0) 50%); background-size: 200% 100%; background-position: 100% 0; }
  60% { background-position: -100% 0; }
  100% { background: transparent; }
}
.autofill-field.skeleton::before {
  content: '';
  position: absolute; left: 0; right: 0; top: 18px; bottom: 0;
  border-radius: 6px;
  background: linear-gradient(90deg, var(--paper-deep) 0%, rgba(20,184,166,0.08) 50%, var(--paper-deep) 100%);
  background-size: 200% 100%;
  animation: skel-shimmer 1.4s linear infinite;
  opacity: 0.7;
}
@keyframes skel-shimmer {
  0% { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}
.autofill-field.skeleton .lbl { opacity: 0.6; }
.autofill-field.skeleton .val,
.autofill-field.skeleton .chip { opacity: 0; }

/* ───────────────────────── prose (blog body) ───────────────────────── */
.prose { color: var(--ink-muted); font-size: 17px; line-height: 1.75; }
.prose h2 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(28px, 3vw, 38px); line-height: 1.15; letter-spacing: -0.018em;
  color: var(--ink); margin: 3rem 0 1rem; scroll-margin-top: 96px;
}
.prose h3 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(22px, 2.4vw, 28px); line-height: 1.2; letter-spacing: -0.015em;
  color: var(--ink); margin: 2.25rem 0 0.75rem;
}
.prose p { margin: 0 0 1.25rem; }
.prose strong { color: var(--ink); font-weight: 600; }
.prose em { font-style: italic; }
.prose a {
  color: var(--oido-700); text-decoration: underline;
  text-underline-offset: 3px; text-decoration-thickness: 1px;
}
.prose a:hover { color: var(--oido-600); text-decoration-thickness: 2px; }
.prose ul, .prose ol { margin: 0 0 1.25rem; padding-left: 1.5rem; }
.prose ul li { list-style-type: disc; margin-bottom: 0.5rem; }
.prose ol li { list-style-type: decimal; margin-bottom: 0.5rem; }
.prose ul li::marker { color: var(--oido-500); }
.prose blockquote {
  margin: 2rem 0;
  padding: 20px 28px;
  background: var(--paper-deep);
  border-left: 3px solid var(--oido-500);
  border-radius: 0 16px 16px 0;
  font-family: var(--serif); font-style: italic;
  font-size: clamp(20px, 2vw, 24px); line-height: 1.45;
  color: var(--ink);
}
.prose blockquote p:last-child { margin-bottom: 0; }
.prose blockquote em { color: var(--oido-700); }
.prose img {
  width: 100%; height: auto; border-radius: 22px; margin: 2rem 0;
  box-shadow: 0 22px 50px -28px rgba(13,148,136,0.20);
}
.prose hr {
  height: 1px; border: 0; margin: 2.5rem 0;
  background: linear-gradient(to right, transparent, rgba(26,31,30,0.12) 20%, rgba(26,31,30,0.12) 80%, transparent);
}
.prose table {
  width: 100%; border-collapse: collapse; margin: 1.75rem 0; font-size: 14.5px;
  border: 1px solid var(--hair); border-radius: 14px; overflow: hidden;
}
.prose th { background: var(--ink); color: #fff; padding: 12px 16px; text-align: left; font-weight: 500; font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; }
.prose td { padding: 12px 16px; border-bottom: 1px solid var(--hair); color: var(--ink); }
.prose tr:last-child td { border-bottom: 0; }
.prose tr:hover td { background: var(--paper-deep); }
.prose pre { background: var(--paper-deep); border: 1px solid var(--hair); border-radius: 16px; padding: 20px 24px; margin: 1.5rem 0; overflow-x: auto; }
.prose code { font-family: var(--mono); font-size: 13.5px; color: var(--ink); }

/* TOC card */
.toc {
  background: var(--paper-deep);
  border: 1px solid var(--hair);
  border-radius: 22px;
  padding: 24px 28px;
  margin: 0 0 2.5rem;
}
.toc .eyebrow { display: block; margin-bottom: 12px; }
.toc ol { list-style: decimal; padding-left: 1.4rem; margin: 0; color: var(--ink-muted); font-family: var(--sans); font-size: 14px; }
.toc ol li { padding: 4px 0; line-height: 1.45; }
.toc ol li::marker { color: var(--oido-500); font-family: var(--mono); font-size: 12px; }
.toc ol li a { color: var(--ink); }
.toc ol li a:hover { color: var(--oido-700); }

/* ───────────────────────── responsive ───────────────────────── */
@media (max-width: 1024px) {
  .oido-footer .cols { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .oido-nav .links, .oido-nav .actions .btn-login { display: none; }
  .oido-mobile-toggle { display: inline-flex; }
  .oido-nav .row { padding: 14px 20px; }
  .step-card { padding: 40px 24px 28px; }
  .card-hero { padding: 28px 24px; }
  .oido-cta { padding: 80px 24px; }
  .oido-footer { padding: 48px 24px 24px; }
  .oido-footer .cols { grid-template-columns: 1fr; gap: 28px; }
  .result-band { padding: 22px 24px; gap: 16px; }
  body { font-size: 15px; }
}

/* ───────────────────────── reduced motion ───────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .anim-breathe, .anim-ripple-slow, .anim-ripple-slower, .anim-drift-slow,
  .anim-rise, .anim-spring-in, .anim-draw { animation: none; }
}