:root {
  --color-bg: oklch(11% 0.015 262);
  --color-bg-deep: oklch(7.5% 0.012 264);
  --color-surface: oklch(14% 0.02 260);
  --color-line: oklch(34% 0.03 258 / 0.35);
  --color-hairline: oklch(78% 0.04 85 / 0.22);
  --color-text: oklch(93% 0.004 250);
  --color-muted: oklch(66% 0.015 252);
  --color-sapphire: oklch(58% 0.16 255);
  --color-sapphire-glow: oklch(58% 0.16 255 / 0.28);
  --color-gold: oklch(80% 0.08 85);
  --color-platinum: oklch(88% 0.008 250);

  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-label: "Inter", system-ui, sans-serif;

  --text-base: clamp(1rem, 0.94rem + 0.3vw, 1.1rem);
  --text-hero: clamp(3rem, 1.4rem + 6.6vw, 7.4rem);
  --text-title: clamp(2.2rem, 1.4rem + 3vw, 4.2rem);

  --space-section: clamp(5.5rem, 4rem + 7vw, 12rem);
  --content-width: 74rem;

  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--color-bg-deep);
  color: var(--color-text);
  font-family: var(--font-label);
  font-weight: 400;
  font-size: var(--text-base);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.skip-link { position: absolute; left: -999px; top: 0; background: var(--color-sapphire); color: #fff; padding: 0.5rem 1rem; z-index: 200; }
.skip-link:focus { left: 0; }

/* grain */
.noise {
  position: fixed; inset: 0; z-index: 1; pointer-events: none; opacity: 0.55;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.03 0'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

main, header, footer { position: relative; z-index: 2; }

/* ---------- tipografia utilitária ---------- */
.label {
  font-family: var(--font-label);
  font-size: 0.72rem; font-weight: 500;
  letter-spacing: 0.42em; text-transform: uppercase;
  color: var(--color-gold);
}
.label--sapphire { color: var(--color-sapphire); }

.display { font-family: var(--font-display); font-weight: 400; letter-spacing: 0.005em; }

em, .ital { font-family: var(--font-display); font-style: italic; font-weight: 500; }

/* hairline dourada de seção */
.rule {
  width: 4.5rem; height: 1px; border: 0; margin: 1.4rem 0 0;
  background: linear-gradient(90deg, var(--color-gold), transparent);
}
.rule--center { margin-inline: auto; background: linear-gradient(90deg, transparent, var(--color-gold), transparent); }

/* ---------- header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background-color 300ms ease, border-color 300ms ease;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  backdrop-filter: blur(18px);
  background: oklch(7.5% 0.012 264 / 0.75);
  border-bottom-color: var(--color-line);
}
.site-header nav {
  max-width: var(--content-width); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.15rem 1.5rem;
}
.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-links a:not(.btn) {
  color: var(--color-muted); text-decoration: none;
  font-size: 0.78rem; font-weight: 500;
  letter-spacing: 0.22em; text-transform: uppercase;
  transition: color 200ms ease;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}
.nav-links a:not(.btn):hover { color: var(--color-text); }
.nav-links a[aria-current="page"] { color: var(--color-gold); border-bottom-color: var(--color-hairline); }

.wordmark {
  font-family: var(--font-label); font-weight: 500;
  letter-spacing: 0.55em; font-size: 0.92rem;
  color: var(--color-platinum); text-decoration: none;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-block; cursor: pointer;
  font-family: var(--font-label); font-size: 0.78rem; font-weight: 500;
  letter-spacing: 0.28em; text-transform: uppercase; text-decoration: none;
  padding: 1rem 2.1rem; border-radius: 1px;
  transition: transform 400ms var(--ease-out-expo), box-shadow 400ms var(--ease-out-expo), background-color 250ms ease, color 250ms ease, border-color 250ms ease;
}
.btn:focus-visible { outline: 2px solid var(--color-sapphire); outline-offset: 3px; }
.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--color-platinum);
  color: oklch(12% 0.01 260);
  box-shadow: 0 10px 36px oklch(0% 0 0 / 0.45);
}
.btn-primary:hover { transform: translateY(-2px); background: #fff; box-shadow: 0 16px 48px oklch(0% 0 0 / 0.55), 0 0 24px var(--color-sapphire-glow); }

.btn-ghost { color: var(--color-platinum); border: 1px solid var(--color-hairline); background: transparent; }
.btn-ghost:hover { border-color: var(--color-gold); color: var(--color-gold); }

.btn-sm { padding: 0.65rem 1.3rem; font-size: 0.68rem; }
.btn-lg { padding: 1.2rem 2.8rem; }

/* ---------- hero ---------- */
.hero {
  position: relative; min-height: 100svh;
  display: grid; align-items: center; justify-items: center;
  text-align: center;
  padding: 8rem 1.5rem 5rem;
  overflow: hidden;
  background: radial-gradient(90rem 60rem at 50% -20%, oklch(20% 0.045 258 / 0.85), transparent 60%), var(--color-bg-deep);
}
/* guilloché — anéis concêntricos finos */
.hero-guilloche {
  position: absolute; inset: -40% -20%; pointer-events: none; opacity: 0.5;
  background: repeating-radial-gradient(circle at 50% 42%, transparent 0 46px, oklch(50% 0.05 258 / 0.06) 46px 47px);
  mask-image: radial-gradient(58rem 42rem at 50% 40%, black, transparent 70%);
}
.hero-glow {
  position: absolute; top: 6%; left: 50%; translate: -50% 0;
  width: 44rem; height: 44rem; border-radius: 50%;
  background: radial-gradient(circle, var(--color-sapphire-glow), transparent 62%);
  filter: blur(52px); pointer-events: none;
}
.hero-inner { position: relative; z-index: 2; max-width: 62rem; }

.hero .label { margin-bottom: 2rem; display: block; }

.hero h1 {
  font-family: var(--font-display); font-weight: 400;
  font-size: var(--text-hero); line-height: 1.02; letter-spacing: 0.002em;
  color: var(--color-platinum);
}
.hero h1 .line { display: block; }
.hero h1 em { color: transparent; background: linear-gradient(115deg, var(--color-platinum) 25%, var(--color-sapphire) 75%); -webkit-background-clip: text; background-clip: text; }

.hero .lead {
  margin: 2.2rem auto 0; max-width: 52ch; color: var(--color-muted);
  font-size: clamp(1.02rem, 0.96rem + 0.4vw, 1.25rem);
}

.hero-actions { margin-top: 3rem; display: flex; gap: 1.1rem; flex-wrap: wrap; justify-content: center; }

.hero-mark {
  position: absolute; z-index: 1; left: 50%; top: 44%; translate: -50% -50%;
  width: clamp(24rem, 52vw, 46rem); height: auto;
  opacity: 0.1; border-radius: 50%;
  pointer-events: none; will-change: transform;
}

.scroll-hint {
  position: absolute; bottom: 2rem; left: 50%; translate: -50% 0;
  width: 1px; height: 3.6rem; overflow: hidden;
  background: oklch(40% 0.03 258 / 0.35);
}
.scroll-hint span { position: absolute; inset: 0; background: linear-gradient(180deg, transparent, var(--color-gold)); animation: hint 2.4s var(--ease-out-expo) infinite; }
@keyframes hint { 0% { transform: translateY(-100%); } 60%, 100% { transform: translateY(100%); } }

/* ---------- marquee ---------- */
.marquee { border-block: 1px solid var(--color-line); overflow: hidden; padding: 1.15rem 0; background: var(--color-bg); }
.marquee-track {
  display: flex; gap: 3rem; width: max-content; white-space: nowrap;
  font-size: 0.72rem; font-weight: 500; letter-spacing: 0.34em; text-transform: uppercase;
  color: var(--color-muted); will-change: transform;
}
.marquee-track i { color: var(--color-gold); font-style: normal; }

/* ---------- tese (dupla coluna) ---------- */
.thesis { padding: var(--space-section) 1.5rem; }
.thesis-inner {
  max-width: var(--content-width); margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem;
  align-items: start;
}
.thesis h2 { font-family: var(--font-display); font-weight: 400; font-size: var(--text-title); line-height: 1.12; color: var(--color-platinum); }
.thesis h2 em { color: transparent; background: linear-gradient(115deg, var(--color-platinum) 20%, var(--color-sapphire) 85%); -webkit-background-clip: text; background-clip: text; }
.thesis-copy p { color: var(--color-muted); }
.thesis-copy p + p { margin-top: 1.2rem; }
.thesis-copy strong { color: var(--color-text); font-weight: 500; }

/* ---------- métricas ---------- */
.metrics { padding: 0 1.5rem var(--space-section); }
.metrics-inner {
  max-width: var(--content-width); margin: 0 auto;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
  border-block: 1px solid var(--color-line);
}
.metric { padding: 2.6rem 1.6rem; border-left: 1px solid var(--color-line); }
.metric:first-child { border-left: 0; }
.metric-num, .metric-plus {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(2.8rem, 1.8rem + 3.4vw, 4.8rem);
  color: var(--color-platinum);
  font-variant-numeric: tabular-nums;
}
.metric-plus { color: var(--color-gold); }
.metric p { color: var(--color-muted); font-size: 0.88rem; margin-top: 0.5rem; max-width: 22ch; }

/* ---------- seções ---------- */
.section-head { max-width: var(--content-width); margin: 0 auto 3.8rem; }
section { padding-inline: 1.5rem; }

.section-title { font-family: var(--font-display); font-weight: 400; font-size: var(--text-title); color: var(--color-platinum); }
.section-title em { color: transparent; background: linear-gradient(115deg, var(--color-platinum) 20%, var(--color-sapphire) 85%); -webkit-background-clip: text; background-clip: text; }
.section-sub { color: var(--color-muted); margin-top: 1.2rem; max-width: 56ch; }

/* ---------- coleção / produtos ---------- */
.collection { padding-block: var(--space-section); }
.product-grid {
  max-width: var(--content-width); margin: 0 auto;
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 1.5rem;
}
.product-card {
  grid-column: span 3;
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: border-color 700ms ease, box-shadow 900ms var(--ease-out-expo);
}
.product-card::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  border: 1px solid transparent;
  transition: border-color 350ms ease;
}
.product-card:hover {
  border-color: oklch(80% 0.08 85 / 0.35);
  box-shadow: 0 30px 90px oklch(0% 0 0 / 0.5);
}
.product-card:hover .card-hairline { opacity: 1; filter: brightness(1.5); }
.product-card:hover::after { border-color: oklch(80% 0.08 85 / 0.12); }
.product-lg { grid-column: span 6; }
.product-lg figure { aspect-ratio: 21 / 9; }

.product-card figure { aspect-ratio: 16 / 9; overflow: hidden; }
.product-card img {
  width: 100%; height: 112%; margin-top: -6%; object-fit: cover; display: block;
  transition: filter 900ms ease;
  filter: saturate(0.92) brightness(0.96);
  will-change: transform;
}
.product-card:hover img { filter: saturate(1.05) brightness(1.04); }

.product-body { padding: clamp(1.6rem, 1.2rem + 1.4vw, 2.6rem); display: flex; flex-direction: column; gap: 0.8rem; flex: 1; }
.product-index {
  position: absolute; top: 1.2rem; right: 1.4rem;
  font-family: var(--font-display); font-style: italic;
  font-size: 1rem; color: oklch(80% 0.08 85 / 0.75);
}
.product-tag { font-size: 0.68rem; font-weight: 500; letter-spacing: 0.3em; text-transform: uppercase; color: var(--color-gold); }
.product-card h3 { font-family: var(--font-display); font-weight: 500; font-size: clamp(1.5rem, 1.2rem + 1vw, 2.1rem); color: var(--color-platinum); line-height: 1.15; }
.product-card p { color: var(--color-muted); max-width: 64ch; font-size: 0.97rem; }

.product-stack { list-style: none; display: flex; gap: 0.55rem; flex-wrap: wrap; margin-top: auto; padding-top: 1rem; }
.product-stack li {
  font-size: 0.66rem; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--color-muted);
  border: 1px solid var(--color-line);
  padding: 0.34rem 0.75rem; border-radius: 99px;
}

.collection-cta { max-width: var(--content-width); margin: 3.4rem auto 0; text-align: center; }

/* ---------- manifesto ---------- */
.manifesto { padding-block: var(--space-section); text-align: center; position: relative; overflow: hidden; }
.manifesto .hero-guilloche { opacity: 0.35; inset: -60% -30%; }
.manifesto p {
  position: relative;
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(2.2rem, 1.2rem + 4.4vw, 5rem); line-height: 1.14;
  color: var(--color-platinum); will-change: transform;
}
.manifesto span { font-style: italic; color: transparent; background: linear-gradient(115deg, var(--color-platinum), var(--color-gold)); -webkit-background-clip: text; background-clip: text; }

/* ---------- método (páginas e seção) ---------- */
.process { padding-block: var(--space-section); background: var(--color-bg); border-block: 1px solid var(--color-line); }
.process-steps {
  max-width: var(--content-width); margin: 0 auto;
  list-style: none;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
}
.process-steps li { padding: 2.4rem 1.8rem 0.6rem; border-left: 1px solid var(--color-line); }
.process-steps li:first-child { border-left: 0; }
.step-num { font-family: var(--font-display); font-style: italic; font-size: 2.4rem; color: var(--color-gold); display: block; line-height: 1; }
.process-steps h3 { font-family: var(--font-display); font-weight: 500; margin: 1rem 0 0.5rem; font-size: 1.45rem; color: var(--color-platinum); }
.process-steps p { color: var(--color-muted); font-size: 0.94rem; }

/* método detalhado (metodo.html) */
.method-block { max-width: var(--content-width); margin: 0 auto; padding-block: calc(var(--space-section) * 0.55); border-top: 1px solid var(--color-line); display: grid; grid-template-columns: minmax(0,0.9fr) minmax(0,1.4fr); gap: 3rem; }
.method-block:first-of-type { border-top: 0; }
.method-block h3 { font-family: var(--font-display); font-weight: 400; font-size: clamp(1.8rem, 1.3rem + 1.8vw, 2.8rem); color: var(--color-platinum); }
.method-block h3 .step-num { font-size: 1.6rem; margin-bottom: 0.6rem; }
.method-copy p { color: var(--color-muted); }
.method-copy p + p { margin-top: 1rem; }
.method-copy ul { margin-top: 1.4rem; list-style: none; display: grid; gap: 0.7rem; }
.method-copy li { color: var(--color-text); font-size: 0.95rem; padding-left: 1.4rem; position: relative; }
.method-copy li::before { content: "◆"; position: absolute; left: 0; top: 0.1em; font-size: 0.55rem; color: var(--color-gold); }

/* ---------- página interna: cabeçalho ---------- */
.page-hero {
  position: relative; padding: 11rem 1.5rem 5rem; text-align: center; overflow: hidden;
  background: radial-gradient(70rem 40rem at 50% -30%, oklch(19% 0.04 258 / 0.8), transparent 65%), var(--color-bg-deep);
}
.page-hero .label { display: block; margin-bottom: 1.6rem; }
.page-hero h1 { font-family: var(--font-display); font-weight: 400; font-size: clamp(2.6rem, 1.4rem + 4.6vw, 5.4rem); color: var(--color-platinum); line-height: 1.06; }
.page-hero h1 em { color: transparent; background: linear-gradient(115deg, var(--color-platinum) 25%, var(--color-sapphire) 80%); -webkit-background-clip: text; background-clip: text; }
.page-hero .lead { margin: 1.8rem auto 0; max-width: 56ch; color: var(--color-muted); }

/* ---------- princípios (estudio) ---------- */
.principles { max-width: var(--content-width); margin: 0 auto; padding-block: var(--space-section); display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-block: 1px solid var(--color-line); }
.principle { padding: 2.6rem 2rem; border-left: 1px solid var(--color-line); }
.principle:first-child { border-left: 0; }
.principle .num { font-family: var(--font-display); font-style: italic; font-size: 1.4rem; color: var(--color-gold); }
.principle h3 { font-family: var(--font-display); font-weight: 500; font-size: 1.5rem; margin: 0.8rem 0 0.5rem; color: var(--color-platinum); }
.principle p { color: var(--color-muted); font-size: 0.95rem; }

/* ---------- CTA ---------- */
.cta-final { position: relative; padding-block: var(--space-section); text-align: center; overflow: hidden; }
.cta-glow {
  position: absolute; left: 50%; bottom: -20rem; translate: -50% 0;
  width: 56rem; height: 32rem; border-radius: 50%;
  background: radial-gradient(ellipse, var(--color-sapphire-glow), transparent 62%);
  filter: blur(56px); pointer-events: none;
}
.cta-final h2 {
  position: relative; font-family: var(--font-display); font-weight: 400;
  font-size: var(--text-title); max-width: 26ch; margin: 0 auto 2.8rem; color: var(--color-platinum);
}
.cta-final em { font-style: italic; color: transparent; background: linear-gradient(115deg, var(--color-platinum), var(--color-gold)); -webkit-background-clip: text; background-clip: text; }
.cta-final .btn { position: relative; }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--color-line); padding: 3rem 1.5rem; }
.footer-inner {
  max-width: var(--content-width); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: 1.4rem; flex-wrap: wrap;
  color: var(--color-muted); font-size: 0.85rem;
}
.footer-nav { display: flex; gap: 1.6rem; }
.site-footer a { color: var(--color-muted); text-decoration: none; transition: color 200ms ease; }
.site-footer a:hover { color: var(--color-gold); }

/* ---------- estados iniciais p/ GSAP ---------- */
@media (prefers-reduced-motion: no-preference) {
  [data-hero], [data-reveal], [data-manifesto] { opacity: 0; }
}

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .thesis-inner { grid-template-columns: 1fr; gap: 2.2rem; }
  .metrics-inner { grid-template-columns: repeat(2, 1fr); }
  .metric:nth-child(3) { border-left: 0; }
  .metric { border-top: 1px solid var(--color-line); }
  .metric:nth-child(-n+2) { border-top: 0; }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .process-steps li { border-top: 1px solid var(--color-line); }
  .process-steps li:nth-child(-n+2) { border-top: 0; }
  .process-steps li:nth-child(odd) { border-left: 0; }
  .product-card { grid-column: span 6; }
  .product-lg figure, .product-card figure { aspect-ratio: 16 / 9; }
  .method-block { grid-template-columns: 1fr; gap: 1.6rem; }
  .principles { grid-template-columns: 1fr; }
  .principle { border-left: 0; border-top: 1px solid var(--color-line); }
  .principle:first-child { border-top: 0; }
  .nav-links a:not(.btn) { display: none; }
}
@media (max-width: 560px) {
  .metrics-inner { grid-template-columns: 1fr 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .process-steps li { border-left: 0; }
  .hero { padding-top: 7.5rem; }
}

/* ---------- emblema em partículas (hero home) ---------- */
.hero-canvas {
  position: absolute; inset: 0; z-index: 1;
  pointer-events: none;
  opacity: 0.85;
}

/* ---------- filme de fundo (hero home) ---------- */
.hero-media { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.hero-video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  filter: saturate(0.94) brightness(0.8);
}
.hero-veil {
  position: absolute; inset: 0;
  background:
    radial-gradient(90rem 60rem at 50% 42%, transparent 0%, oklch(7.5% 0.012 264 / 0.62) 62%, oklch(7.5% 0.012 264 / 0.94) 100%),
    linear-gradient(180deg, oklch(7.5% 0.012 264 / 0.82) 0%, oklch(7.5% 0.012 264 / 0.38) 24%, oklch(7.5% 0.012 264 / 0.42) 62%, var(--color-bg-deep) 100%);
}
@media (prefers-reduced-motion: reduce) {
  .hero-video { display: none; }
  .hero-media { background: url('assets/hero-poster.jpg') center / cover no-repeat; }
}


/* ---------- vitrine: glint, brilho especular e profundidade ---------- */
.card-glint {
  position: absolute; inset: -20%; z-index: 3; pointer-events: none;
  background: linear-gradient(115deg, transparent 44%, oklch(92% 0.03 250 / 0.08) 50%, oklch(80% 0.08 85 / 0.06) 54%, transparent 60%);
  transform: translateX(-160%) skewX(-8deg);
}

.product-card figure { position: relative; z-index: 1; }
.product-card .product-body { position: relative; z-index: 2; background: var(--color-surface); }
.product-card .product-index { z-index: 4; }

/* hairline dourada que se desenha na base da imagem */
.card-hairline {
  position: absolute; left: 0; bottom: 0; height: 1px; width: 100%; z-index: 4;
  background: linear-gradient(90deg, var(--color-gold), oklch(80% 0.08 85 / 0.15), transparent);
  transform: scaleX(0); transform-origin: left center;
  transition: filter 800ms ease;
}

/* título com shimmer no hover */
.product-card h3 {
  background: linear-gradient(110deg, var(--color-platinum) 30%, oklch(97% 0.01 250) 42%, var(--color-platinum) 54%, var(--color-platinum) 100%);
  background-size: 220% 100%;
  background-position: 100% 0;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  transition: background-position 900ms var(--ease-out-expo);
}
.product-card:hover h3 { background-position: 0% 0; }

@media (prefers-reduced-motion: reduce) {
  .card-glint { display: none; }
  .card-hairline { transform: none; }
}

/* ---------- consulta privada (gateway) ---------- */
.consulta-page { overflow: hidden; }
.consulta-main {
  position: relative; min-height: 100svh;
  display: grid; place-items: center;
  padding: 7rem 1.5rem 4rem;
  background: radial-gradient(80rem 50rem at 50% -20%, oklch(19% 0.04 258 / 0.8), transparent 65%), var(--color-bg-deep);
}
.consulta-progress {
  position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 120;
  background: oklch(30% 0.03 258 / 0.3);
}
.consulta-progress span {
  display: block; height: 100%; width: 0;
  background: linear-gradient(90deg, var(--color-gold), var(--color-sapphire));
  transition: width 700ms var(--ease-out-expo);
}
.consulta-shell { position: relative; z-index: 2; width: min(46rem, 100%); }

.c-step { display: none; }
.c-step.is-active { display: block; }

.c-num {
  font-family: var(--font-display); font-style: italic;
  font-size: 1.1rem; color: var(--color-gold); display: block; margin-bottom: 1.2rem;
}
.c-num i { color: var(--color-muted); font-style: italic; }

.c-title {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(2.1rem, 1.3rem + 3.4vw, 4rem); line-height: 1.08;
  color: var(--color-platinum);
}
.c-title em { color: transparent; background: linear-gradient(115deg, var(--color-platinum) 25%, var(--color-sapphire) 80%); -webkit-background-clip: text; background-clip: text; }
.c-title--sm { font-size: clamp(1.8rem, 1.2rem + 2.4vw, 3rem); }

.c-sub { margin-top: 1.4rem; color: var(--color-muted); max-width: 48ch; }
.c-sub--tight { margin-top: 0.9rem; font-size: 0.95rem; }

.c-input {
  display: block; width: 100%;
  margin-top: 2.4rem;
  background: transparent; border: 0; outline: 0;
  border-bottom: 1px solid var(--color-line);
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2.3rem);
  color: var(--color-platinum);
  padding: 0.4rem 0 0.8rem;
  transition: border-color 400ms ease;
  border-radius: 0;
}
.c-input::placeholder { color: oklch(45% 0.02 252); }
.c-input:focus { border-bottom-color: var(--color-gold); }

.c-error {
  margin-top: 0.9rem; font-size: 0.85rem; color: oklch(70% 0.12 25);
  opacity: 0; transition: opacity 300ms ease;
}
.c-error.is-visible { opacity: 1; }

.c-options { margin-top: 2.4rem; display: grid; gap: 0.8rem; }
.c-option {
  text-align: left; cursor: pointer;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  color: var(--color-text);
  font-family: var(--font-label); font-size: 1rem;
  padding: 1.15rem 1.4rem; border-radius: 2px;
  transition: border-color 350ms ease, background-color 350ms ease, transform 350ms var(--ease-out-expo);
}
.c-option i { font-family: var(--font-display); font-style: italic; color: var(--color-gold); margin-right: 0.9rem; }
.c-option:hover { border-color: oklch(80% 0.08 85 / 0.4); }
.c-option:focus-visible { outline: 2px solid var(--color-sapphire); outline-offset: 2px; }
.c-option.is-selected { border-color: var(--color-gold); background: oklch(17% 0.025 260); }

.c-actions { margin-top: 2.6rem; display: flex; align-items: center; gap: 1.3rem; flex-wrap: wrap; }
.c-actions--col { flex-direction: column; align-items: flex-start; gap: 1rem; }
.c-hint { color: var(--color-muted); font-size: 0.82rem; }
.c-hint kbd {
  font-family: var(--font-label); font-size: 0.75rem;
  border: 1px solid var(--color-line); border-radius: 3px;
  padding: 0.15rem 0.45rem; color: var(--color-silver, var(--color-platinum));
}

.c-ficha { margin-top: 2.2rem; border-top: 1px solid var(--color-line); }
.c-ficha-row {
  display: grid; grid-template-columns: 9rem 1fr; gap: 1rem;
  padding: 1rem 0; border-bottom: 1px solid var(--color-line);
}
.c-ficha dt {
  font-size: 0.72rem; font-weight: 500; letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--color-gold); padding-top: 0.2rem;
}
.c-ficha dd { font-family: var(--font-display); font-size: 1.25rem; color: var(--color-platinum); }

.c-back {
  background: none; border: 0; cursor: pointer;
  color: var(--color-muted); font-size: 0.85rem;
  text-decoration: underline; text-underline-offset: 4px;
  transition: color 250ms ease;
}
.c-back:hover { color: var(--color-gold); }

.c-prev {
  position: fixed; left: clamp(1rem, 4vw, 3rem); bottom: clamp(1.2rem, 4vh, 3rem); z-index: 50;
  width: 3rem; height: 3rem; border-radius: 50%;
  background: transparent; border: 1px solid var(--color-line);
  color: var(--color-muted); font-size: 1.1rem; cursor: pointer;
  transition: border-color 300ms ease, color 300ms ease;
}
.c-prev:hover { border-color: var(--color-gold); color: var(--color-gold); }

@media (max-width: 600px) {
  .c-ficha-row { grid-template-columns: 1fr; gap: 0.2rem; }
}