/* ==========================================================================
   CliNiv — Landing institucional
   Mobile-first, sem framework de runtime.
   ========================================================================== */

/* ---- Fontes (self-hosted, subset latin) ---- */
@font-face {
  font-family: 'Inter';
  src: url('/assets/fonts/inter-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('/assets/fonts/inter-500.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('/assets/fonts/inter-600.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('/assets/fonts/inter-700.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('/assets/fonts/inter-800.woff2') format('woff2');
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

/* ---- Reset básico ---- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body, h1, h2, h3, h4, p, figure, blockquote { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
svg { display: block; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: var(--lh-normal);
  color: var(--color-ink);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -100px;
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  z-index: 200;
  transition: top var(--dur-base) var(--ease-standard);
}
.skip-link:focus { top: var(--space-4); }

/* ---- Tipografia de seção ---- */
.eyebrow {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-3);
}

.section-title {
  font-size: var(--fs-xl);
  line-height: var(--lh-tight);
  font-weight: var(--fw-extrabold);
  color: var(--color-ink);
  max-width: 40ch;
}

.section-subtitle {
  font-size: var(--fs-md);
  line-height: var(--lh-snug);
  color: var(--color-ink-muted);
  max-width: 56ch;
  margin-top: var(--space-4);
}

.section-header {
  margin-bottom: var(--space-8);
}
.section-header.center {
  text-align: center;
  margin-inline: auto;
}
.section-header.center .section-title,
.section-header.center .section-subtitle {
  margin-inline: auto;
}

@media (min-width: 640px) {
  .section-title { font-size: var(--fs-2xl); }
}

section { padding-block: var(--space-9); }
section[id] { scroll-margin-top: calc(var(--header-height) + var(--space-4)); }

/* ---- Botões ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-sm);
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-pill);
  transition: transform var(--dur-fast) var(--ease-standard),
    box-shadow var(--dur-fast) var(--ease-standard),
    background-color var(--dur-fast) var(--ease-standard);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  /* Texto escuro, não branco: #fff sobre --color-cta dá ~2.8:1 de contraste,
     abaixo do mínimo AA (4.5:1). --color-ink sobre a mesma cor dá ~5.5:1 —
     mantém o coral vibrante da marca em vez de escurecê-lo. */
  background: var(--color-cta);
  color: var(--color-ink);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--color-cta-dark); box-shadow: var(--shadow-md); }

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-ink);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover { border-color: var(--color-primary-dark); color: var(--color-primary-dark); }

.btn-block { width: 100%; }

.btn-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: flex-start;
}
@media (min-width: 560px) {
  .btn-group { flex-direction: row; align-items: center; flex-wrap: wrap; }
}

.microcopy {
  font-size: var(--fs-xs);
  color: var(--color-ink-muted);
  margin-top: var(--space-3);
  max-width: 42ch;
}

/* ---- Header ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 249, 250, 0.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
}

.site-header .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-ink);
}
.brand-logo {
  height: 26px;
  width: auto;
  flex-shrink: 0;
}
.brand-divider {
  width: 1px;
  height: 22px;
  background: var(--color-border);
  flex-shrink: 0;
}
.brand-product {
  font-weight: var(--fw-extrabold);
  font-size: var(--fs-md);
  color: var(--color-ink);
  white-space: nowrap;
}

.main-nav {
  display: none;
}

.main-nav ul {
  display: flex;
  gap: var(--space-6);
}

.main-nav a {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-ink-muted);
  transition: color var(--dur-fast) var(--ease-standard);
}
.main-nav a:hover { color: var(--color-primary-dark); }

.header-cta {
  display: none;
}

.menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  color: var(--color-ink);
}
.menu-toggle:hover { background: var(--color-primary-soft); }
.menu-toggle .icon-close { display: none; }
.menu-toggle[aria-expanded="true"] .icon-open { display: none; }
.menu-toggle[aria-expanded="true"] .icon-close { display: block; }

.mobile-nav {
  position: fixed;
  inset: var(--header-height) 0 0 0;
  background: var(--color-surface);
  padding: var(--space-6) var(--space-5);
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-base) var(--ease-standard), transform var(--dur-base) var(--ease-standard);
  z-index: 90;
  overflow-y: auto;
}
.mobile-nav.is-open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.mobile-nav ul { display: flex; flex-direction: column; gap: var(--space-1); }
.mobile-nav a {
  display: block;
  padding: var(--space-4) var(--space-2);
  font-size: var(--fs-md);
  font-weight: var(--fw-medium);
  border-bottom: 1px solid var(--color-border);
}
.mobile-nav .btn { margin-top: var(--space-6); }

@media (min-width: 900px) {
  .main-nav { display: block; }
  .header-cta { display: inline-flex; }
  .menu-toggle { display: none; }
  .mobile-nav { display: none; }
}

/* ---- Hero ---- */
.hero {
  padding-block: var(--space-9) var(--space-8);
  background: linear-gradient(180deg, var(--color-primary-soft) 0%, var(--color-bg) 65%);
}

.hero .container {
  display: grid;
  gap: var(--space-8);
  align-items: center;
}

.hero-copy .eyebrow { margin-bottom: var(--space-4); }

.hero-title {
  font-size: var(--fs-2xl);
  line-height: var(--lh-tight);
  font-weight: var(--fw-extrabold);
  color: var(--color-ink);
  max-width: 18ch;
}

.hero-subtitle {
  margin-top: var(--space-5);
  font-size: var(--fs-md);
  line-height: var(--lh-snug);
  color: var(--color-ink-muted);
  max-width: 52ch;
}

.hero-actions { margin-top: var(--space-7); }

.hero-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.placeholder-shot {
  aspect-ratio: 4 / 3;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--space-3);
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-ink) 100%);
  color: rgba(255, 255, 255, 0.92);
  text-align: center;
  padding: var(--space-6);
}
.placeholder-shot svg { opacity: 0.85; }
.placeholder-shot span {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
}
.placeholder-shot small {
  font-size: var(--fs-xs);
  color: rgba(255, 255, 255, 0.7);
}

@media (min-width: 960px) {
  .hero .container { grid-template-columns: 1.05fr 0.95fr; }
  .hero-title { font-size: var(--fs-3xl); max-width: 16ch; }
}

/* ---- Cards de dor / solução ---- */
.card-grid {
  display: grid;
  gap: var(--space-5);
}
@media (min-width: 720px) {
  .card-grid { grid-template-columns: repeat(3, 1fr); }
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--dur-base) var(--ease-standard), transform var(--dur-base) var(--ease-standard);
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
}

.card--problema .card-icon { background: var(--color-danger-soft); color: var(--color-danger); }
.card--solucao .card-icon { background: var(--color-primary-soft); color: var(--color-primary); }

.card h3 {
  font-size: var(--fs-md);
  font-weight: var(--fw-bold);
  margin-bottom: var(--space-3);
}
.card p { color: var(--color-ink-muted); font-size: var(--fs-sm); }

.section-problema { background: var(--color-bg); }
.section-solucao { background: var(--color-bg); }

/* ---- TISS (diferencial) ---- */
.section-tiss {
  /* Fundo escuro (não o ciano puro da marca) para garantir contraste AA
     no bastante texto corrido desta seção; o ciano aparece como glow
     decorativo e nos ícones/checks, papéis em que a marca é indicada. */
  background:
    radial-gradient(1100px 560px at 100% -10%, rgba(0, 195, 215, 0.35), transparent 60%),
    radial-gradient(700px 420px at -10% 110%, rgba(0, 195, 215, 0.18), transparent 55%),
    var(--color-ink);
  color: #fff;
  border-radius: var(--radius-lg);
  margin-inline: var(--space-4);
  padding-block: var(--space-9);
}
@media (min-width: 640px) {
  .section-tiss { margin-inline: var(--space-6); }
}
@media (min-width: 1200px) {
  .section-tiss { margin-inline: auto; max-width: calc(var(--container-max) + var(--space-10)); }
}

.section-tiss .eyebrow { color: rgba(255, 255, 255, 0.85); }
.section-tiss .section-title { color: #fff; max-width: 34ch; }
.section-tiss .section-text {
  margin-top: var(--space-4);
  color: rgba(255, 255, 255, 0.85);
  max-width: 62ch;
  font-size: var(--fs-md);
  line-height: var(--lh-snug);
}

.tiss-grid {
  display: grid;
  gap: var(--space-8);
  align-items: start;
}
@media (min-width: 900px) {
  .tiss-grid { grid-template-columns: 1fr 1fr; }
}

.tiss-points {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-6);
}
.tiss-point {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
}
.tiss-point svg { flex-shrink: 0; margin-top: 2px; color: var(--color-cta); }
.tiss-point span { font-size: var(--fs-sm); font-weight: var(--fw-medium); }

/* ---- Prova social (placeholder) ---- */
.section-prova { text-align: center; }

.prova-placeholder {
  display: grid;
  gap: var(--space-5);
  margin-top: var(--space-6);
}
@media (min-width: 720px) {
  .prova-placeholder { grid-template-columns: repeat(3, 1fr); }
}

.testimonial-placeholder {
  background: var(--color-surface);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.testimonial-placeholder .quote-mark { color: var(--color-primary); opacity: 0.4; }
.testimonial-placeholder p {
  color: var(--color-ink-muted);
  font-size: var(--fs-sm);
  font-style: italic;
}
.testimonial-placeholder .author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--fs-xs);
  color: var(--color-ink-muted);
}
.avatar-placeholder {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
}

/* ---- Objeções (segurança / onboarding) ---- */
.section-objecao .container {
  display: grid;
  gap: var(--space-6);
  align-items: center;
}
@media (min-width: 900px) {
  .section-objecao .container { grid-template-columns: 88px 1fr; }
}

.objecao-icon {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-md);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.section-objecao .section-text {
  margin-top: var(--space-4);
  color: var(--color-ink-muted);
  font-size: var(--fs-md);
  line-height: var(--lh-snug);
  max-width: 68ch;
}

.section-seguranca { background: var(--color-surface); border-block: 1px solid var(--color-border); }
.section-onboarding { background: var(--color-bg); }
.section-onboarding .hero-actions { margin-top: var(--space-6); }

/* ---- CTA final ---- */
.section-cta-final {
  background: var(--color-ink);
  color: #fff;
  text-align: center;
}
.section-cta-final .section-title { color: #fff; margin-inline: auto; }
.section-cta-final .section-subtitle { color: rgba(255, 255, 255, 0.7); margin-inline: auto; }
.section-cta-final .btn-group { justify-content: center; margin-top: var(--space-7); }
.section-cta-final .microcopy { color: rgba(255, 255, 255, 0.6); margin-inline: auto; text-align: center; }

@media (min-width: 560px) {
  .btn-group.center { justify-content: center; }
}
.btn-group.center { align-items: center; }

/* ---- Footer ---- */
.site-footer {
  background: var(--color-ink);
  color: rgba(255, 255, 255, 0.7);
  padding-block: var(--space-8);
  font-size: var(--fs-sm);
}
.site-footer a { color: rgba(255, 255, 255, 0.85); }
.site-footer a:hover { color: #fff; }

.footer-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}
@media (min-width: 720px) {
  .footer-grid { flex-direction: row; justify-content: space-between; align-items: flex-start; }
}

.footer-brand { display: flex; align-items: center; gap: var(--space-2); color: #fff; font-weight: var(--fw-bold); }

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-6);
}
.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-bottom {
  margin-top: var(--space-7);
  padding-top: var(--space-5);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: var(--fs-xs);
  color: rgba(255, 255, 255, 0.5);
}

/* ---- Página simples (privacidade / 404) ---- */
.simple-page {
  padding-block: var(--space-9);
}
.simple-page .container { max-width: 760px; }
.simple-page h1 {
  font-size: var(--fs-2xl);
  font-weight: var(--fw-extrabold);
  margin-bottom: var(--space-5);
}
.simple-page h2 {
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  margin-top: var(--space-7);
  margin-bottom: var(--space-3);
}
.simple-page p { color: var(--color-ink-muted); margin-bottom: var(--space-4); }
.simple-page ul { margin: var(--space-4) 0; padding-left: var(--space-5); list-style: disc; color: var(--color-ink-muted); }
.simple-page li { margin-bottom: var(--space-2); }
.simple-page .btn { margin-top: var(--space-5); }