/* Marquito -- site de serviços de IA
   Estático, single-page. Sem framework, sem build.
   Design system: "tech mono sóbrio" -- sans pro corpo, mono pros detalhes,
   base quase monocromática + 1 acento. Inspirado nas Leis da Simplicidade (Maeda). */

:root {
  --ink: #0f0f0f;
  --ink-soft: #45464d;
  --muted: #8a8a92;
  --bg: #ffffff;
  --bg-alt: #f6f6f4;
  --accent: #c2410c;          /* terracota discreto (ponte com o scaffold anterior) */
  --accent-soft: #fbe9e0;
  --line: #e6e4de;
  --max: 1080px;
  --radius: 10px;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 18px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.wrap.narrow { max-width: 680px; }

h1, h2, h3 { line-height: 1.15; font-weight: 700; letter-spacing: -0.02em; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.muted { color: var(--muted); }

/* ---- Eyebrow (label mono de cada seção) ---- */
.eyebrow {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin: 0 0 16px;
}

/* ---- Header / nav ---- */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  max-width: var(--max); margin: 0 auto; padding: 14px 24px;
}
.brand {
  font-family: var(--mono);
  font-weight: 500; font-size: 1.05rem; color: var(--ink);
  letter-spacing: -0.01em;
}
.brand:hover { text-decoration: none; }
.brand-slash { color: var(--accent); }
.nav-links {
  display: flex; gap: 26px; list-style: none; margin: 0; padding: 0;
  align-items: center;
  font-family: var(--mono); font-size: 0.82rem;
}
.nav-links a { color: var(--ink-soft); }
.nav-links a:hover { color: var(--ink); text-decoration: none; }
.nav-cta {
  background: var(--accent); color: #fff !important;
  padding: 7px 15px; border-radius: 6px;
}
.nav-cta:hover { opacity: 0.9; }

/* ---- Buttons ---- */
.btn {
  display: inline-block; padding: 13px 24px; border-radius: 7px;
  font-weight: 600; font-size: 1rem; transition: opacity .15s, transform .05s, border-color .15s;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { opacity: 0.9; }
.btn-ghost { color: var(--ink); border: 1px solid var(--line); background: transparent; }
.btn-ghost:hover { border-color: var(--ink); }

/* ---- Hero ---- */
.hero { padding: 104px 0 88px; }
.hero h1 { font-size: clamp(2.2rem, 5.5vw, 3.6rem); margin: 0 0 24px; max-width: 14ch; }
.hero-sub { font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--ink-soft); max-width: 600px; margin: 0 0 36px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---- Pains (soa familiar?) ---- */
.pains { list-style: none; margin: 0 0 28px; padding: 0; display: grid; gap: 15px; }
.pains li { position: relative; padding-left: 26px; color: var(--ink-soft); }
.pains li::before {
  content: "\2192"; position: absolute; left: 0; top: 0;
  color: var(--accent); font-family: var(--mono);
}
.pains-bridge { font-size: 1.06rem; color: var(--ink) !important; font-weight: 600; margin: 0; }

/* ---- Sections ---- */
.section { padding: 84px 0; border-top: 1px solid var(--line); }
.section-alt { background: var(--bg-alt); }
.section h2 { font-size: clamp(1.6rem, 3.5vw, 2.3rem); margin: 0 0 14px; }
.section-lead { color: var(--ink-soft); max-width: 620px; margin: 0 0 44px; }
.section.section-alt p { color: var(--ink-soft); }
.section.section-alt h2 { color: var(--ink); }

/* ---- Cycle ---- */
.cycle {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden;
}
.cycle-step {
  background: var(--bg);
  padding: 30px 28px;
}
.cycle-num {
  display: inline-block;
  font-family: var(--mono); font-size: 0.85rem; font-weight: 500;
  color: var(--accent);
  margin-bottom: 14px;
}
.cycle-step h3 { font-size: 1.25rem; margin: 0 0 10px; }
.cycle-step p { margin: 0 0 12px; color: var(--ink-soft); }
.cycle-take { font-size: 0.96rem; color: var(--ink) !important; margin-bottom: 0 !important; }
.take-label {
  font-family: var(--mono); font-size: 0.72rem; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--muted); display: block; margin-bottom: 2px;
}

/* ---- Cards (portfolio) ---- */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.card {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; background: var(--bg);
  transition: border-color .15s;
}
.card:hover { border-color: var(--muted); }
.card h3 { font-size: 1.18rem; line-height: 1.25; margin: 0 0 10px; }
.card p { margin: 0 0 14px; color: var(--ink-soft); font-size: 0.97rem; }
.card-points { list-style: none; margin: 0 0 14px; padding: 0; display: grid; gap: 7px; }
.card-points li { position: relative; padding-left: 18px; font-size: 0.9rem; color: var(--ink-soft); }
.card-points li::before { content: "·"; position: absolute; left: 5px; top: -1px; color: var(--accent); font-family: var(--mono); font-weight: 700; }
.card-evidence { font-family: var(--mono); font-size: 0.8rem !important; color: var(--accent) !important; margin: 0 0 12px !important; }

/* ---- Accordion (casos) ---- */
.cases { max-width: 760px; display: grid; gap: 12px; }
.case {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--bg); overflow: hidden; transition: border-color .15s;
}
.case[open] { border-color: var(--muted); }
.case-head {
  position: relative; list-style: none; cursor: pointer;
  display: flex; align-items: center; gap: 14px;
  padding: 20px 46px 20px 22px;
}
.case-head::-webkit-details-marker { display: none; }
.case-dor { flex: 1; font-weight: 700; font-size: 1.08rem; letter-spacing: -0.01em; }
.case-result {
  font-family: var(--mono); font-size: 0.76rem; font-weight: 500; white-space: nowrap;
  color: var(--accent); background: var(--accent-soft); padding: 4px 9px; border-radius: 5px;
}
.case-head::after {
  content: "+"; position: absolute; right: 20px; top: 50%; transform: translateY(-50%);
  font-family: var(--mono); font-size: 1.15rem; color: var(--muted); line-height: 1;
}
.case[open] .case-head::after { content: "×"; }
.case-body { padding: 4px 22px 22px; color: var(--ink-soft); }
.case-body > *:first-child { margin-top: 0; }
.case-value { margin: 0 0 14px; padding-left: 12px; border-left: 2px solid var(--accent); color: var(--ink); font-weight: 500; }
.case[open] .case-body { animation: caseReveal .28s ease; }
@keyframes caseReveal { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }

/* ICM badge */
.card-icm {
  font-family: var(--mono); font-size: 0.72rem; color: var(--accent);
  background: var(--accent-soft); padding: 7px 11px; border-radius: 6px;
  margin: 0 0 14px; display: block;
}

/* ---- Reveal on scroll ---- */
.reveal-init { opacity: 0; transform: translateY(16px); }
.reveal-init.in { opacity: 1; transform: none; transition: opacity .6s ease, transform .6s ease; }

/* ---- Nav underline ---- */
.nav-links a:not(.nav-cta) { position: relative; }
.nav-links a:not(.nav-cta)::after {
  content: ""; position: absolute; left: 0; bottom: -4px; height: 1px; width: 0;
  background: var(--ink); transition: width .2s ease;
}
.nav-links a:not(.nav-cta):hover::after { width: 100%; }

@media (max-width: 680px) {
  .case-head { flex-wrap: wrap; gap: 8px; }
  .case-dor { flex: 1 1 100%; }
}
.card-tag {
  font-family: var(--mono);
  font-size: 0.74rem !important; color: var(--muted) !important;
  letter-spacing: 0.01em; margin: 0 !important;
}

/* ---- Contact ---- */
.section-contact { text-align: center; }
.section-contact .eyebrow { text-align: center; }
.contact-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 28px; }

/* ---- Footer ---- */
.site-footer {
  padding: 40px 0; border-top: 1px solid var(--line);
  display: flex;
}
.site-footer .wrap {
  display: flex; align-items: baseline; justify-content: space-between;
  flex-wrap: wrap; gap: 10px; width: 100%;
}
.footer-name { margin: 0; font-weight: 500; }
.footer-link { margin: 0; font-family: var(--mono); font-size: 0.82rem; }

/* ---- Responsive ---- */
@media (max-width: 820px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 680px) {
  body { font-size: 17px; }
  .nav-links { gap: 14px; font-size: 0.78rem; }
  .nav-links li:not(:last-child) { display: none; }   /* só o CTA no mobile */
  .cycle { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr; }
  .hero { padding: 68px 0 60px; }
  .section { padding: 60px 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal-init { opacity: 1; transform: none; }
  .case[open] .case-body { animation: none; }
}