/* ============================================
   VESALIA — Landing Page
   Clinical Operations
   ============================================ */

/* ---------- Tokens ---------- */
:root {
  /* Cores */
  --ink:        #0A0A0A;
  --paper:      #FAFAF7;
  --gold:       #A8884A;
  --burgundy:   #5C1F26;
  --muted:      #6B6B6B;
  --hairline:   rgba(10, 10, 10, 0.12);

  /* Tipografia */
  --font-serif: "Fraunces", Georgia, "Times New Roman", serif;
  --font-sans:  "Manrope", -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;

  /* Escala */
  --space-xs:   8px;
  --space-sm:   16px;
  --space-md:   32px;
  --space-lg:   64px;
  --space-xl:   128px;
  --space-xxl:  192px;

  /* Larguras */
  --max-content: 720px;
  --max-wide:    1200px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  position: relative;
  min-height: 100vh;
}

/* Grão de papel sutil — sobreposto a todo o fundo */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: url("/assets/paper-grain.svg");
  background-repeat: repeat;
  background-size: 280px 280px;
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
  mix-blend-mode: multiply;
}

/* Vignette levíssima nos cantos — sugere papel impresso */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse at center,
      transparent 55%,
      rgba(10, 10, 10, 0.035) 100%);
  pointer-events: none;
  z-index: 0;
}

body > * {
  position: relative;
  z-index: 1;
}

::selection {
  background: var(--ink);
  color: var(--paper);
}

/* ---------- Section meta (numeração editorial) ---------- */
.section-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--hairline);
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.section-meta .meta-label {
  color: var(--ink);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: var(--space-lg) var(--space-md) var(--space-md);
  max-width: var(--max-wide);
  margin: 0 auto;
}

/* Logo / wordmark composto */
.hero-mark {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 12px;
  width: fit-content;
}

.wordmark {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(28px, 4vw, 42px);
  letter-spacing: 0.18em;
  line-height: 1;
  color: var(--ink);
}

.descriptor {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink);
}

/* Régua técnica (tributo Vesalius) — largura segue o wordmark */
.rule {
  display: flex;
  align-items: center;
  gap: 0;
  width: 100%;
  height: 14px;
  position: relative;
}

.rule-line {
  position: absolute;
  inset: 50% 0 auto 0;
  height: 1px;
  background: var(--ink);
}

.rule-tick {
  flex: 1;
  height: 6px;
  border-left: 1px solid var(--ink);
  position: relative;
  z-index: 1;
}

.rule-tick:last-child {
  border-right: 1px solid var(--ink);
}

.rule-tick-major { height: 12px; }
.rule-tick-medium { height: 9px; }

/* Tagline central */
.hero-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: var(--space-xl) 0;
  max-width: 920px;
}

.tagline {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(48px, 9vw, 124px);
  line-height: 0.96;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin-bottom: var(--space-md);
  font-variation-settings: "opsz" 144;
}

.lede {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: clamp(18px, 2vw, 22px);
  letter-spacing: 0.01em;
  color: var(--muted);
}

/* CTA Hero */
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--ink);
  width: fit-content;
  transition: gap 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.hero-cta:hover {
  gap: 18px;
}

.hero-cta .arrow {
  display: inline-block;
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.hero-cta:hover .arrow {
  transform: translateY(3px);
}

/* ============================================
   MANIFESTO
   ============================================ */
.manifesto {
  position: relative;
  padding: var(--space-xxl) var(--space-md);
  max-width: var(--max-wide);
  margin: 0 auto;
  overflow: hidden;
}

/* Gravura de Vesalius — watermark à direita, abaixo da régua do section-meta */
.manifesto::before {
  content: "";
  position: absolute;
  top: calc(var(--space-xxl) + var(--space-xl));
  bottom: var(--space-xxl);
  right: var(--space-md);
  width: 42%;
  max-width: 420px;
  background-image: url("/assets/vesalius-fabrica.jpg");
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center right;
  opacity: 0.3;
  mix-blend-mode: multiply;
  pointer-events: none;
  z-index: 0;
}

.manifesto > * {
  position: relative;
  z-index: 1;
}

.prose {
  max-width: 640px;
}

.prose p {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1.4;
  letter-spacing: -0.005em;
  color: var(--ink);
  margin-bottom: var(--space-md);
}

.prose p:last-child {
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .manifesto::before {
    width: 65%;
    right: 0;
    opacity: 0.14;
  }

  .prose {
    max-width: 100%;
  }
}

/* ============================================
   PILARES
   ============================================ */
.pillars {
  padding: var(--space-xxl) var(--space-md);
  max-width: var(--max-wide);
  margin: 0 auto;
}

.pillar-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-lg) var(--space-md);
}

/* 3+2 centralizado: 3 pilares na primeira linha, 2 centralizados na segunda */
.pillar:nth-child(1) { grid-column: 1 / span 2; }
.pillar:nth-child(2) { grid-column: 3 / span 2; }
.pillar:nth-child(3) { grid-column: 5 / span 2; }
.pillar:nth-child(4) { grid-column: 2 / span 2; }
.pillar:nth-child(5) { grid-column: 4 / span 2; }

.pillar {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding-top: var(--space-md);
  border-top: 1px solid var(--ink);
}

.pillar-number {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: 14px;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.pillar-name {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(28px, 3vw, 36px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.pillar-text {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 15px;
  line-height: 1.55;
  color: var(--muted);
  max-width: 32ch;
}

/* ============================================
   COBERTURA — sumário de módulos
   ============================================ */
.coverage {
  padding: var(--space-xxl) var(--space-md);
  max-width: var(--max-wide);
  margin: 0 auto;
}

.coverage-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg) var(--space-xl);
}

.category {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--ink);
}

.category-title {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
}

.category-modules {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 300;
  line-height: 1.55;
  letter-spacing: -0.005em;
  color: var(--ink);
}

@media (max-width: 768px) {
  .coverage-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
}

/* ============================================
   OBJEÇÕES / FAQ
   ============================================ */
.faq {
  padding: var(--space-xxl) var(--space-md);
  max-width: var(--max-wide);
  margin: 0 auto;
}

.faq-list {
  max-width: 760px;
}

.faq-item {
  padding: var(--space-md) 0;
  border-top: 1px solid var(--hairline);
}

.faq-item:last-child {
  border-bottom: 1px solid var(--hairline);
}

.faq-question {
  font-family: var(--font-serif);
  font-weight: 400;
  font-style: italic;
  font-size: clamp(20px, 2vw, 24px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: var(--space-xs);
}

.faq-answer {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.6;
  color: var(--muted);
  margin-left: 0;
  max-width: 64ch;
}

/* ============================================
   LISTA DE ESPERA
   ============================================ */
.waitlist {
  padding: var(--space-xxl) var(--space-md);
  max-width: var(--max-wide);
  margin: 0 auto;
}

.waitlist-intro {
  max-width: var(--max-content);
  margin-bottom: var(--space-lg);
}

.waitlist-intro p {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(20px, 2.2vw, 26px);
  line-height: 1.45;
  color: var(--ink);
}

/* Form */
.form {
  max-width: var(--max-content);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.field label {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.field input,
.field select,
.field textarea {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 400;
  color: var(--ink);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--ink);
  padding: 10px 0;
  outline: none;
  width: 100%;
  border-radius: 0;
  transition: border-color 0.3s ease;
  -webkit-appearance: none;
  appearance: none;
}

.field select {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path d='M1 1l4 4 4-4' stroke='%230A0A0A' fill='none' stroke-width='1' stroke-linecap='round'/></svg>");
  background-repeat: no-repeat;
  background-position: right 4px center;
  padding-right: 24px;
  cursor: pointer;
}

.field textarea {
  resize: vertical;
  font-family: var(--font-sans);
  line-height: 1.5;
  border: 1px solid var(--hairline);
  padding: 12px;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--gold);
}

.field input:invalid:not(:placeholder-shown),
.field select:invalid {
  border-color: var(--ink);
}

/* Submit */
.submit {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper);
  background: var(--ink);
  border: none;
  padding: 22px 28px;
  cursor: pointer;
  width: 100%;
  margin-top: var(--space-sm);
  transition: background 0.3s ease;
  border-radius: 0;
}

.submit:hover {
  background: var(--burgundy);
}

.submit .arrow {
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.submit:hover .arrow {
  transform: translateX(6px);
}

.form-note {
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--muted);
  margin-top: var(--space-xs);
  font-style: italic;
}

/* Loading state */
.submit.is-loading {
  opacity: 0.7;
  cursor: wait;
}

.submit.is-loading .arrow {
  display: none;
}

/* Success state */
.form-success {
  max-width: var(--max-content);
  padding: var(--space-lg) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  border-top: 1px solid var(--ink);
  animation: rise 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.success-mark {
  font-family: var(--font-sans);
  font-size: 32px;
  font-weight: 300;
  color: var(--gold);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.success-title {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(28px, 3vw, 38px);
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.success-text {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.5;
  color: var(--muted);
  max-width: 48ch;
}

/* Error state */
.form-error {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  color: var(--burgundy);
  padding: var(--space-sm) 0;
  border-top: 1px solid var(--burgundy);
  border-bottom: 1px solid var(--burgundy);
  margin-bottom: var(--space-sm);
}

.form-error a {
  color: var(--burgundy);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: var(--space-xl) var(--space-md) var(--space-lg);
  max-width: var(--max-wide);
  margin: 0 auto;
  border-top: 1px solid var(--hairline);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.footer-mark {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer-wordmark {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: 22px;
  letter-spacing: 0.18em;
  color: var(--ink);
}

.footer-descriptor {
  font-family: var(--font-sans);
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--muted);
}

.footer-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--muted);
}

.footer-meta a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}

.footer-meta a:hover {
  border-bottom-color: var(--ink);
}

.footer-sep {
  color: var(--hairline);
}

.footer-fineprint {
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-top: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer-attribution {
  font-size: 10px;
  letter-spacing: 0.02em;
  opacity: 0.75;
}

.footer-attribution a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid var(--hairline);
  transition: border-color 0.3s ease;
}

.footer-attribution a:hover {
  border-bottom-color: var(--muted);
}

.footer-attribution em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
}

/* ============================================
   ANIMAÇÃO DE ENTRADA
   ============================================ */
.hero-mark,
.hero-body,
.hero-cta {
  opacity: 0;
  transform: translateY(12px);
  animation: rise 1.2s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.hero-mark { animation-delay: 0.1s; }
.hero-body { animation-delay: 0.3s; }
.hero-cta  { animation-delay: 0.6s; }

@keyframes rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   RESPONSIVO
   ============================================ */
@media (max-width: 1024px) {
  .pillar-list {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg) var(--space-md);
  }

  .pillar:nth-child(n) {
    grid-column: auto;
  }
}

@media (max-width: 768px) {
  :root {
    --space-xl:  64px;
    --space-xxl: 96px;
  }

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

  .pillar-list {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .field-row {
    grid-template-columns: 1fr;
  }

  .footer {
    padding: var(--space-lg) var(--space-md) var(--space-md);
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}