/* Hallmark · macrostructure: Split Studio · H2 split-diptych · N9 edge-aligned minimal · Ft5 statement
 * theme: custom · vibe: "precisão forense, autoridade silenciosa, obsidiana e latão"
 * paper: oklch(12% 0.012 70) · accent: oklch(76% 0.13 72)
 * display: Marcellus · body: Manrope · axes: dark / roman-serif / chromatic-amber
 * studied: no · context: inferred · contrast: pass (40–41) · nav: N9 · footer: Ft5
 * slop: pass (42–48) · mobile: pass (34, 49, 50–57) · v1.1.0
 */
/* Hallmark · pre-emit critique: P5 H5 E5 S5 R5 V5 */
@import url("./tokens.css");

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  overflow-x: clip;
  background: var(--color-paper);
}

body {
  margin: 0;
  min-width: 20rem;
  overflow-x: clip;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  padding-bottom: var(--space-cta-offset);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: var(--z-base);
  background-image: linear-gradient(var(--color-accent-faint) var(--rule-hair), transparent var(--rule-hair));
  background-size: 100% 4rem;
  mask-image: linear-gradient(to bottom, transparent, currentColor 18%, currentColor 82%, transparent);
  opacity: 0.35;
}

::selection { background: var(--color-selection); color: var(--color-ink); }
img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p, figure { margin: 0; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 400;
  overflow-wrap: anywhere;
  min-width: 0;
}

.skip-link {
  position: fixed;
  top: var(--space-sm);
  left: var(--space-sm);
  z-index: calc(var(--z-cta) + 1);
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-accent);
  color: var(--color-accent-ink);
  transform: translateY(-180%);
}
.skip-link:focus-visible { transform: translateY(0); }
:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky-nav);
  min-height: var(--banner-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-sm) var(--page-gutter);
  background: var(--color-paper-glass);
  color: var(--color-ink);
  border-bottom: var(--rule-hair) solid var(--color-rule-2);
  backdrop-filter: blur(18px);
}

.brand {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  white-space: nowrap;
}
.brand__monogram { font-family: var(--font-display); font-size: var(--text-lg); letter-spacing: 0.12em; }
.brand__name { color: var(--color-muted); font-size: var(--text-xs); letter-spacing: 0.08em; }
.button, .text-link, .contact-link, .hero-index a, summary { min-height: var(--control-height); }

.button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xs);
  min-width: max-content;
  height: var(--control-height);
  padding-inline: var(--space-sm);
  border: var(--rule-hair) solid var(--color-accent);
  border-radius: var(--radius-control);
  background: transparent;
  color: var(--color-ink);
  font-weight: 600;
  font-size: var(--text-sm);
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-out), background-color var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out);
}
.button--primary { background: var(--color-accent); color: var(--color-accent-ink); }
.button--primary:focus-visible { outline-color: var(--color-paper); box-shadow: 0 0 0 var(--space-3xs) var(--color-focus); }
.button:active, .button.is-active { transform: translateY(1px); }
.button[disabled], .button[aria-disabled="true"] { opacity: 0.5; cursor: not-allowed; pointer-events: none; }
.button[data-state="loading"] { cursor: wait; }
.button[data-state="loading"]::before {
  content: "";
  width: 0.8rem;
  aspect-ratio: 1;
  border: var(--rule-hair) solid currentColor;
  border-right-color: transparent;
  border-radius: var(--radius-round);
  animation: spin var(--dur-slow) linear infinite;
}
.button[data-state="error"] { border-color: var(--color-error); }
.button[data-state="success"]::before { content: "✓"; }

.container { width: min(100%, var(--content-max)); margin-inline: auto; padding-inline: var(--page-gutter); }

.hero {
  min-height: calc(100svh - var(--banner-height));
  display: grid;
  grid-template-columns: minmax(0, 1.16fr) minmax(0, 0.84fr);
  align-items: stretch;
  border-bottom: var(--rule-hair) solid var(--color-rule-2);
}
.hero__copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  padding: var(--space-2xl) var(--page-gutter) var(--space-3xl);
}
.eyebrow {
  color: var(--color-accent);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.hero h1 {
  max-width: 10ch;
  margin-top: var(--space-md);
  font-size: var(--text-display);
  line-height: 0.92;
  letter-spacing: -0.045em;
}
.hero__lede { max-width: 62ch; margin-top: var(--space-xl); color: var(--color-ink-2); font-size: var(--text-md); line-height: 1.75; }
.hero__identity { max-width: 62ch; margin-top: var(--space-lg); color: var(--color-muted); font-size: var(--text-sm); }
.hero__identity strong { color: var(--color-ink); font-weight: 600; }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-xs); margin-top: var(--space-xl); }
.text-link {
  display: inline-flex;
  align-items: center;
  padding-inline: var(--space-2xs);
  color: var(--color-ink-2);
  font-size: var(--text-sm);
  white-space: nowrap;
  border-bottom: var(--rule-hair) solid var(--color-rule);
}

.hero__artifact {
  position: relative;
  min-width: 0;
  display: grid;
  place-items: center;
  padding: var(--space-2xl) var(--page-gutter);
  background: var(--color-paper-2);
  color: var(--color-ink);
  border-left: var(--rule-hair) solid var(--color-rule-2);
  isolation: isolate;
}
.hero__artifact::before, .hero__artifact::after { content: ""; position: absolute; background: var(--color-rule); z-index: -1; }
.hero__artifact::before { width: var(--rule-hair); height: 72%; }
.hero__artifact::after { width: 72%; height: var(--rule-hair); }
.seal {
  width: min(26rem, 72vw);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  padding: var(--space-xl);
  background: var(--color-paper);
  color: var(--color-ink);
  border: var(--rule-hair) solid var(--color-rule);
  box-shadow: 0 2rem 5rem var(--color-shadow);
}
.seal img { width: 100%; height: 100%; object-fit: contain; }
.seal__caption {
  position: absolute;
  right: var(--page-gutter);
  bottom: var(--space-lg);
  color: var(--color-muted);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  writing-mode: vertical-rl;
}

.hero-index {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: var(--rule-hair) solid var(--color-rule-2);
  background: var(--color-paper);
  color: var(--color-ink);
}
.hero-index a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: var(--space-md) var(--page-gutter);
  color: var(--color-ink-2);
  font-size: var(--text-sm);
  white-space: nowrap;
  border-right: var(--rule-hair) solid var(--color-rule-2);
}
.hero-index a:last-child { border-right: 0; }
.hero-index span { color: var(--color-accent); font-variant-numeric: tabular-nums; }

.credential-strip { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); background: var(--color-paper-2); color: var(--color-ink); }
.credential { min-width: 0; padding: var(--space-lg) var(--page-gutter); border-right: var(--rule-hair) solid var(--color-rule); }
.credential:last-child { border-right: 0; }
.credential strong { display: block; color: var(--color-accent); font-family: var(--font-display); font-size: var(--text-xl); font-weight: 400; line-height: 1.1; }
.credential span { display: block; margin-top: var(--space-2xs); font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; }

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: var(--space-3xl);
  padding-block: var(--space-4xl);
}
.section-intro { align-self: start; position: sticky; top: calc(var(--banner-height) + var(--space-lg)); z-index: var(--z-sticky); min-width: 0; }
.section-intro h2, .process h2, .contact h2 { margin-top: var(--space-sm); font-size: var(--text-3xl); line-height: 1.02; letter-spacing: -0.03em; }
.section-intro p { max-width: 48ch; margin-top: var(--space-lg); color: var(--color-muted); font-size: var(--text-md); }
.section-intro .eyebrow { margin-top: 0; color: var(--color-accent); font-size: var(--text-xs); }
.editorial-copy { display: grid; gap: var(--space-lg); padding-top: var(--space-sm); }
.editorial-copy > p { max-width: 62ch; color: var(--color-ink-2); font-size: var(--text-md); }
.pull-quote {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: var(--rule-hair) solid var(--color-rule);
  color: var(--color-ink);
  font-family: var(--font-outlier);
  font-size: clamp(1.7rem, 4vw, 3.3rem);
  font-style: italic;
  line-height: 1.12;
}
.pull-quote cite { display: block; margin-top: var(--space-md); color: var(--color-muted); font-family: var(--font-body); font-size: var(--text-xs); font-style: normal; letter-spacing: 0.08em; text-transform: uppercase; }

.practice-list { border-top: var(--rule-hair) solid var(--color-rule); }
.practice-list details { border-bottom: var(--rule-hair) solid var(--color-rule); }
.practice-list summary {
  list-style: none;
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr) 2rem;
  align-items: center;
  gap: var(--space-md);
  padding-block: var(--space-lg);
  cursor: pointer;
}
.practice-list summary::-webkit-details-marker { display: none; }
.practice-list__number { color: var(--color-muted); font-size: var(--text-xs); font-variant-numeric: tabular-nums; }
.practice-list h3 { font-size: clamp(1.5rem, 3vw, 2.7rem); line-height: 1.05; }
.practice-list__icon { color: var(--color-accent); font-size: var(--text-lg); text-align: center; transition: transform var(--dur-base) var(--ease-out); }
.practice-list details[open] .practice-list__icon { transform: rotate(45deg); }
.practice-list__answer { display: grid; gap: var(--space-md); padding: 0 var(--space-xl) var(--space-lg) calc(var(--space-xl) + var(--space-md)); color: var(--color-muted); animation: answer-in var(--dur-base) var(--ease-out) both; }
.practice-list__answer p { max-width: 62ch; }
.practice-list__answer a { width: max-content; color: var(--color-accent); font-weight: 600; white-space: nowrap; }

.process-wrap { background: var(--color-paper-2); color: var(--color-ink); border-block: var(--rule-hair) solid var(--color-rule-2); }
.process { padding-block: var(--space-4xl); }
.process__heading { max-width: 48rem; }
.steps { counter-reset: defense-step; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: var(--space-3xl) 0 0; padding: 0; list-style: none; border-top: var(--rule-hair) solid var(--color-rule); }
.step { counter-increment: defense-step; min-width: 0; padding: var(--space-xl) var(--space-lg) var(--space-md) 0; border-right: var(--rule-hair) solid var(--color-rule); }
.step + .step { padding-left: var(--space-lg); }
.step:last-child { border-right: 0; }
.step::before { content: "0" counter(defense-step); display: block; color: var(--color-accent); font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.12em; }
.step h3 { margin-top: var(--space-xl); font-size: var(--text-xl); line-height: 1.1; }
.step p { margin-top: var(--space-md); color: var(--color-muted); }

.contact { display: grid; grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr); gap: var(--space-3xl); padding-block: var(--space-4xl); }
.contact__info { min-width: 0; }
.contact__intro { max-width: 54ch; margin-top: var(--space-lg); color: var(--color-muted); font-size: var(--text-md); }
.contact__links { display: grid; gap: var(--space-xs); margin-top: var(--space-xl); }
.contact-link { width: max-content; max-width: 100%; display: inline-flex; align-items: center; color: var(--color-ink-2); font-family: var(--font-display); font-size: clamp(1.05rem, 2vw, 1.55rem); white-space: nowrap; }
.contact__assurance { margin-top: var(--space-xl); padding-top: var(--space-md); border-top: var(--rule-hair) solid var(--color-rule); color: var(--color-muted); font-size: var(--text-sm); }

.contact-form { padding: var(--space-xl); background: var(--color-paper-2); color: var(--color-ink); border: var(--rule-hair) solid var(--color-rule-2); }
.contact-form__heading { font-family: var(--font-display); font-size: var(--text-xl); }
.contact-form__hint { margin-top: var(--space-2xs); color: var(--color-muted); font-size: var(--text-sm); }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-md); margin-top: var(--space-xl); }
.field { min-width: 0; }
.field--full { grid-column: 1 / -1; }
.field label { display: block; margin-bottom: var(--space-2xs); color: var(--color-ink-2); font-size: var(--text-xs); font-weight: 600; }
.field input, .field select, .field textarea {
  width: 100%;
  min-height: var(--control-height);
  padding: var(--space-xs) var(--space-sm);
  padding-right: var(--space-control-end);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-control);
  outline: 2px solid transparent;
  outline-offset: var(--rule-hair);
  background: var(--color-paper);
  color: var(--color-ink);
  caret-color: var(--color-accent);
  transition: background-color var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out);
}
.field textarea { min-height: 7.5rem; resize: vertical; }
.field select { appearance: auto; }
.field input::placeholder, .field textarea::placeholder { color: var(--color-neutral); }
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible { border-color: var(--color-ink-2); outline-color: var(--color-focus); }
.field input[aria-invalid="true"], .field select[aria-invalid="true"], .field textarea[aria-invalid="true"] { border-color: var(--color-error); }
.field input:disabled, .field select:disabled, .field textarea:disabled { opacity: 0.55; cursor: not-allowed; }
.field__message { min-height: 1lh; margin-top: var(--space-3xs); color: var(--color-muted); font-size: var(--text-xs); }
.field__message[data-kind="error"] { color: var(--color-error); }
.form-actions { display: flex; align-items: center; gap: var(--space-md); margin-top: var(--space-md); }
.form-status { min-height: 1.35rem; color: var(--color-muted); font-size: var(--text-xs); }

.footer { padding-block: var(--space-4xl) var(--space-3xl); background: var(--color-paper-2); color: var(--color-ink); border-top: var(--rule-hair) solid var(--color-rule-2); }
.footer__statement { max-width: 22ch; font-family: var(--font-display); font-size: clamp(2.4rem, 7vw, 6.8rem); line-height: 0.98; letter-spacing: -0.035em; }
.footer__statement span { color: var(--color-accent); }
.footer__meta { display: flex; align-items: baseline; justify-content: space-between; gap: var(--space-md); margin-top: var(--space-3xl); padding-top: var(--space-md); border-top: var(--rule-hair) solid var(--color-rule); color: var(--color-muted); font-size: var(--text-xs); }
.footer__meta a { min-height: 2.75rem; display: inline-flex; align-items: center; color: var(--color-ink-2); white-space: nowrap; }

.sticky-cta {
  position: fixed;
  z-index: var(--z-cta);
  left: var(--space-sm);
  right: var(--space-sm);
  bottom: var(--space-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  max-width: 58rem;
  margin-inline: auto;
  padding: var(--space-xs);
  padding-left: var(--space-md);
  background: var(--color-paper-glass);
  color: var(--color-ink);
  border: var(--rule-hair) solid var(--color-rule);
  box-shadow: 0 1rem 3rem var(--color-shadow);
  backdrop-filter: blur(18px);
}
.sticky-cta__note { color: var(--color-ink-2); font-size: var(--text-sm); }
.sticky-cta__note strong { color: var(--color-accent); }

.js .hero__copy > *, .js .hero__artifact { opacity: 0; transform: translateY(0.75rem); }
.js.is-ready .hero__copy > *, .js.is-ready .hero__artifact { opacity: 1; transform: translateY(0); transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out); }
.js.is-ready .hero__copy > *:nth-child(2) { transition-delay: 70ms; }
.js.is-ready .hero__copy > *:nth-child(3), .js.is-ready .hero__artifact { transition-delay: 140ms; }

@keyframes answer-in { from { opacity: 0; transform: translateY(-0.4rem); } to { opacity: 1; transform: translateY(0); } }
@keyframes spin { to { transform: rotate(360deg); } }

@media (hover: hover) {
  .button:hover, .button.is-hover { background: var(--color-accent-strong); color: var(--color-accent-ink); }
  .text-link:hover, .contact-link:hover, .footer__meta a:hover, .practice-list__answer a:hover { color: var(--color-accent-strong); }
  .hero-index a:hover { background: var(--color-paper-2); color: var(--color-ink); }
  .practice-list summary:hover { color: var(--color-accent-strong); }
  .field input:hover, .field select:hover, .field textarea:hover { background: var(--color-paper-3); color: var(--color-ink); }
}

@media (max-width: 64rem) {
  .hero, .split-section, .contact { grid-template-columns: minmax(0, 1fr); }
  .hero { min-height: auto; }
  .hero__copy { min-height: 72svh; }
  .hero__artifact { min-height: 32rem; border-left: 0; border-top: var(--rule-hair) solid var(--color-rule-2); }
  .section-intro { position: static; }
  .split-section, .contact { gap: var(--space-2xl); }
}

@media (max-width: 48rem) {
  :root { --page-gutter: 1.25rem; --space-4xl: 6rem; }
  .brand__name, .seal__caption { display: none; }
  .site-header .button { padding-inline: var(--space-xs); font-size: var(--text-xs); }
  .hero__copy { min-height: 68svh; padding-top: var(--space-2xl); }
  .hero h1 { font-size: clamp(3.25rem, 16vw, 5.8rem); }
  .hero__artifact { min-height: 25rem; }
  .hero-index { grid-template-columns: minmax(0, 1fr); }
  .hero-index a { border-right: 0; border-bottom: var(--rule-hair) solid var(--color-rule-2); }
  .hero-index a:last-child { border-bottom: 0; }
  .credential-strip, .steps { grid-template-columns: minmax(0, 1fr); }
  .credential { border-right: 0; border-bottom: var(--rule-hair) solid var(--color-rule); }
  .credential:last-child { border-bottom: 0; }
  .step, .step + .step { padding: var(--space-xl) 0; border-right: 0; border-bottom: var(--rule-hair) solid var(--color-rule); }
  .step:last-child { border-bottom: 0; }
  .practice-list summary { grid-template-columns: 2rem minmax(0, 1fr) 1.5rem; gap: var(--space-xs); }
  .practice-list__answer { padding-left: calc(2rem + var(--space-xs)); padding-right: 0; }
  .form-grid { grid-template-columns: minmax(0, 1fr); }
  .field--full { grid-column: auto; }
  .form-actions, .footer__meta { align-items: stretch; flex-direction: column; }
  .form-actions .button { width: 100%; }
  .sticky-cta { padding-left: var(--space-xs); }
  .sticky-cta__note { display: none; }
  .sticky-cta .button { width: 100%; }
}

@media (max-width: 23.5rem) {
  :root { --page-gutter: 1rem; }
  .hero__actions { display: grid; }
  .hero__actions .button, .hero__actions .text-link { width: 100%; }
  .contact-form { padding: var(--space-lg) var(--space-sm); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 1ms !important; animation-iteration-count: 1 !important; transition-duration: 1ms !important; transition-delay: 0ms !important; }
}