/* Vértice — landing page pública.
 * Design system em tokens.css (Fraunces/Inter, verdigris/terracotta/
 * limestone). Página standalone (sem Bootstrap), como login/signup. */

.landing {
  min-height: 100vh;
  background: var(--surface-page);
  color: var(--text-primary);
  font-family: var(--font-body);
  display: flex;
  flex-direction: column;
}

.landing a { color: inherit; text-decoration: none; }

.landing-container {
  width: min(1120px, calc(100% - 2.5rem));
  margin-inline: auto;
}

/* ---------- nav ---------- */
.landing-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(244, 239, 230, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-hairline-soft);
}
.landing-nav-inner {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: .65rem 0;
}
.landing-brand {
  display: flex;
  align-items: center;
  gap: .55rem;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: .01em;
}
.landing-brand img { height: 30px; width: auto; }
.landing-nav-links {
  display: flex;
  gap: 1.1rem;
  margin-left: .75rem;
  font-size: .9rem;
  color: var(--text-secondary);
}
.landing-nav-links a:hover { color: var(--color-brand-deep); }
.landing-nav-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: .6rem;
}

/* ---------- botões ---------- */
.landing-btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .55rem 1.1rem;
  border-radius: 999px;
  font-size: .92rem;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.landing-btn-primary {
  background: var(--color-brand);
  color: var(--text-on-dark);
}
.landing-btn-primary:hover { background: var(--color-brand-deep); }
.landing-btn-accent {
  background: var(--color-accent);
  color: #fff;
}
.landing-btn-accent:hover { background: var(--color-accent-deep); }
.landing-btn-ghost {
  border-color: var(--border-hairline);
  color: var(--text-primary);
  background: transparent;
}
.landing-btn-ghost:hover { border-color: var(--color-brand); color: var(--color-brand-deep); }
.landing-btn-light {
  background: rgba(244, 239, 230, .12);
  color: var(--text-on-dark);
  border-color: rgba(244, 239, 230, .35);
}
.landing-btn-light:hover { background: rgba(244, 239, 230, .22); }

/* ---------- hero ---------- */
.landing-hero {
  padding: 4.5rem 0 3.5rem;
  background:
    radial-gradient(1200px 500px at 85% -10%, rgba(42, 110, 127, .12), transparent 60%),
    radial-gradient(900px 420px at 0% 10%, rgba(181, 80, 46, .08), transparent 55%);
}
.landing-hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 3rem;
  align-items: center;
}
.landing-eyebrow {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
}
.landing-hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  line-height: 1.08;
  margin: 0 0 1.1rem;
}
.landing-hero h1 em {
  font-style: italic;
  color: var(--color-brand-deep);
}
.landing-hero p.lead {
  font-size: var(--text-body-lg);
  color: var(--text-secondary);
  max-width: 34rem;
  margin: 0 0 1.75rem;
}
.landing-hero-ctas { display: flex; gap: .8rem; flex-wrap: wrap; }

/* moldura de screenshot */
.landing-shot {
  border-radius: 10px;
  border: 1px solid var(--border-hairline);
  background: var(--surface-card);
  box-shadow: 0 18px 45px rgba(16, 26, 29, .16);
  overflow: hidden;
}
.landing-shot-bar {
  display: flex;
  gap: .35rem;
  padding: .5rem .7rem;
  border-bottom: 1px solid var(--border-hairline-soft);
  background: rgba(236, 226, 206, .5);
}
.landing-shot-bar span {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--border-hairline);
}
.landing-shot img { display: block; width: 100%; height: auto; }

/* ---------- secções ---------- */
.landing-section { padding: 3.5rem 0; }
.landing-section.alt { background: var(--surface-page-alt); }
.landing-section-head { max-width: 44rem; margin-bottom: 2.25rem; }
.landing-section-head .kicker {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--color-brand);
}
.landing-section-head h2 {
  font-family: var(--font-display);
  font-size: var(--text-h1);
  margin: .4rem 0 .7rem;
}
.landing-section-head p { color: var(--text-secondary); margin: 0; }

/* para quem */
.landing-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.landing-card {
  background: var(--surface-card);
  border: 1px solid var(--border-hairline-soft);
  border-radius: 12px;
  padding: 1.6rem;
}
.landing-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-h3);
  margin: 0 0 .6rem;
  display: flex;
  align-items: center;
  gap: .6rem;
}
.landing-card h3 i { color: var(--color-brand); }
.landing-card p { color: var(--text-secondary); margin: 0 0 .9rem; }
.landing-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: .92rem;
  color: var(--text-secondary);
}
.landing-card ul li {
  padding: .3rem 0 .3rem 1.4rem;
  position: relative;
}
.landing-card ul li::before {
  content: "\f00c"; /* fa-check */
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  color: var(--color-brand);
  font-size: .75rem;
  top: .55rem;
}

/* funcionalidades: grelha de features com screenshot */
.landing-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}
.landing-feature {
  background: var(--surface-card);
  border: 1px solid var(--border-hairline-soft);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.landing-feature .landing-shot { border: none; border-radius: 0; box-shadow: none; }
.landing-feature-body { padding: 1.3rem 1.5rem 1.5rem; }
.landing-feature-body h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin: 0 0 .5rem;
}
.landing-feature-body p {
  color: var(--text-secondary);
  font-size: .95rem;
  margin: 0;
}

/* segurança */
.landing-security {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}
.landing-security-card {
  background: var(--surface-card);
  border: 1px solid var(--border-hairline-soft);
  border-radius: 12px;
  padding: 1.3rem;
  text-align: center;
}
.landing-security-card i {
  font-size: 1.5rem;
  color: var(--color-brand);
  margin-bottom: .6rem;
}
.landing-security-card h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  margin: 0 0 .4rem;
}
.landing-security-card p {
  font-size: .85rem;
  color: var(--text-secondary);
  margin: 0;
}

/* CTA final */
.landing-cta {
  background: linear-gradient(135deg, var(--navy-deep) 0%, var(--color-brand-deep) 100%);
  color: var(--text-on-dark);
  padding: 4rem 0;
  text-align: center;
}
.landing-cta h2 {
  font-family: var(--font-display);
  font-size: var(--text-h1);
  margin: 0 0 .8rem;
}
.landing-cta p {
  color: var(--text-on-dark-muted);
  max-width: 36rem;
  margin: 0 auto 1.75rem;
}
.landing-cta .landing-hero-ctas { justify-content: center; }

/* footer */
.landing-footer {
  background: var(--surface-footer);
  color: var(--text-on-dark-muted);
  padding: 1.6rem 0;
  font-size: .85rem;
}
.landing-footer-inner {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}
.landing-footer a:hover { color: var(--text-on-dark); }
.landing-footer .brand {
  font-family: var(--font-display);
  color: var(--text-on-dark);
  font-size: 1rem;
}
.landing-footer nav {
  display: flex;
  gap: 1rem;
  margin-left: auto;
  flex-wrap: wrap;
}

/* ---------- responsivo ---------- */
@media (max-width: 960px) {
  .landing-hero-grid { grid-template-columns: 1fr; gap: 2rem; }
  .landing-features { grid-template-columns: 1fr; }
  .landing-security { grid-template-columns: repeat(2, 1fr); }
  .landing-nav-links { display: none; }
}
@media (max-width: 640px) {
  .landing-split { grid-template-columns: 1fr; }
  .landing-security { grid-template-columns: 1fr; }
  .landing-hero { padding: 3rem 0 2.5rem; }
}

/* ---------- dropdown de idioma (landing) ---------- */
.language-dropdown { position: relative; }
.language-dropdown-details summary {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .4rem .8rem;
  border-radius: 999px;
  border: 1px solid var(--border-hairline);
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: border-color .15s ease, color .15s ease;
}
.language-dropdown-details summary::-webkit-details-marker { display: none; }
.language-dropdown-details summary:hover {
  border-color: var(--color-brand);
  color: var(--color-brand-deep);
}
.language-dropdown-details[open] summary {
  border-color: var(--color-brand);
  color: var(--color-brand-deep);
}
.language-dropdown-menu {
  position: absolute;
  right: 0;
  top: calc(100% + .45rem);
  min-width: 11rem;
  background: var(--surface-card);
  border: 1px solid var(--border-hairline);
  border-radius: 10px;
  box-shadow: 0 14px 35px rgba(16, 26, 29, .14);
  padding: .35rem;
  z-index: 50;
}
.language-dropdown-option {
  display: flex;
  align-items: center;
  gap: .55rem;
  width: 100%;
  padding: .5rem .7rem;
  border: none;
  border-radius: 7px;
  background: transparent;
  font: inherit;
  font-size: .88rem;
  color: var(--text-primary);
  cursor: pointer;
  text-align: left;
}
.language-dropdown-option:hover { background: rgba(42, 110, 127, .09); }
.language-dropdown-option.active {
  color: var(--color-brand-deep);
  font-weight: 600;
}
.language-dropdown-option .language-dropdown-code {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--text-tertiary);
}
.language-dropdown-option .fa-check { font-size: .72rem; }

/* ---------- assistente de custos (mockup de conversa) ---------- */
.landing-chat-demo {
  max-width: 560px;
  margin: 2rem auto 0;
  border: 1px solid var(--border-hairline-soft);
  border-radius: var(--radius-card, 12px);
  background: var(--surface-card, #fff);
  box-shadow: 0 10px 25px rgba(16, 26, 29, .12);
  overflow: hidden;
}

.landing-chat-demo-bar {
  display: flex;
  align-items: center;
  gap: .35rem;
  padding: .5rem .7rem;
  border-bottom: 1px solid var(--border-hairline-soft);
  background: rgba(236, 226, 206, .5);
}

.landing-chat-demo-bar span {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--border-hairline);
}

.landing-chat-demo-title {
  width: auto !important;
  border-radius: 0 !important;
  background: none !important;
  margin-left: .5rem;
  font-size: .78rem;
  font-weight: 600;
  color: var(--text-tertiary, #6b7280);
}

.landing-chat-demo-msg {
  max-width: 82%;
  margin: .55rem .8rem;
  padding: .55rem .8rem;
  border-radius: 12px;
  font-size: .85rem;
  line-height: 1.45;
}

.landing-chat-demo-msg.user {
  margin-left: auto;
  background: var(--color-brand);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.landing-chat-demo-msg.bot {
  margin-right: auto;
  background: rgba(236, 226, 206, .45);
  color: var(--text-primary, #1b2b2e);
  border-bottom-left-radius: 4px;
}