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

:root {
  --ink:     #111110;
  --paper:   #fafaf8;
  --warm:    #f0ede6;
  --rule:    #e0dcd4;
  --muted:   #999690;
  --accent:  #111110;
  --serif:   'Instrument Serif', Georgia, serif;
  --mono:    'DM Mono', 'Courier New', monospace;
  --max:     1080px;
  --pad:     clamp(1.5rem, 5vw, 3.5rem);
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink:     #f5f5f5;
    --paper:   #111110;
    --warm:    #1a1a19;
    --rule:    #333333;
    --muted:   #888888;
    --accent:  #f5f5f5;
  }
  .bio-text p {
    color: #ccc;
  }
  .bio-list li {
    color: #ccc;
  }
  .servico-desc {
    color: #aaa;
  }
  .case-desafio {
    color: #aaa;
  }
  .process-desc {
    color: #aaa;
  }
  .faq-answer {
    color: #aaa;
  }
}

/* Escala base (145% de 16px = ~23px base) para escalar todos os valores em REM */
html { font-size: 145%; scroll-behavior: smooth; scroll-padding-top: 56px; }

body {
  font-family: var(--mono);
  background: var(--paper);
  color: var(--ink);
  font-size: 1.2rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ── Utility ── */
.container { max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); }
.rule { border: none; border-top: 1px solid var(--rule); }
.tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ── Fade-in on scroll ── */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal {
    transition: none !important;
    transform: none !important;
    opacity: 1 !important;
  }
}

/* ══════════════════════════════════
   NAV
══════════════════════════════════ */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--paper) 95%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
}

.nav-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--serif);
  font-size: 1.05rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.01em;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active { color: var(--ink); font-weight: 500; }

.nav-cta {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper);
  background: var(--ink);
  padding: 0.5rem 1.1rem;
  text-decoration: none;
  transition: opacity 0.2s;
}

.nav-cta:hover { opacity: 0.75; }

/* ══════════════════════════════════
   HERO
══════════════════════════════════ */
#hero {
  padding-top: 56px;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-bottom: 1px solid var(--rule);
}

.hero-inner {
  padding: clamp(4rem, 10vh, 7rem) var(--pad);
  max-width: var(--max);
  margin: 0 auto;
  width: 100%;
}

.hero-eyebrow {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 2.5rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.hero-eyebrow::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--muted);
}

h1.hero-headline {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--ink);
  max-width: 14ch;
  margin-bottom: 2.5rem;
}

h1.hero-headline em {
  font-style: italic;
  color: var(--muted);
}

.hero-sub {
  font-size: 0.75rem;
  line-height: 1.9;
  color: var(--muted);
  max-width: 52ch;
  margin-bottom: 3rem;
}

.hero-actions {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.btn-primary {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper);
  background: var(--ink);
  padding: 0.75rem 1.6rem;
  text-decoration: none;
  display: inline-block;
  transition: opacity 0.2s;
}

.btn-primary:hover { opacity: 0.75; }

.btn-ghost {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 2px;
  transition: color 0.2s, border-color 0.2s;
}

.btn-ghost:hover { color: var(--ink); border-color: var(--ink); }

/* Credenciais em linha */
.hero-creds {
  margin-top: 5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--rule);
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
}

.cred {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.cred-num {
  font-family: var(--serif);
  font-size: 1.8rem;
  font-weight: 400;
  line-height: 1;
  color: var(--ink);
}

.cred-label {
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ══════════════════════════════════
   SECTION BASE
══════════════════════════════════ */
section {
  border-bottom: 1px solid var(--rule);
}

.section-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(4rem, 8vh, 6rem) var(--pad);
}

.section-header {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  margin-bottom: 3.5rem;
}

.section-num {
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  color: var(--muted);
  flex-shrink: 0;
}

.section-title {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 400;
  line-height: 1.2;
  color: var(--ink);
}

/* ══════════════════════════════════
   SOBRE
══════════════════════════════════ */
#sobre .bio-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.bio-text p {
  font-size: 0.82rem;
  line-height: 1.95;
  color: #444;
  margin-bottom: 1.2rem;
}

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

.bio-text strong { color: var(--ink); font-weight: 500; }

.bio-sidebar {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.bio-block-label {
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.8rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--rule);
}

.bio-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.bio-list li {
  font-size: 0.72rem;
  color: #555;
  line-height: 1.5;
  padding-left: 1rem;
  position: relative;
}

.bio-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--rule);
}

/* ══════════════════════════════════
   SERVIÇOS
══════════════════════════════════ */
#servicos { background: var(--warm); }

.servicos-intro {
  font-size: 0.75rem;
  color: var(--muted);
  max-width: 55ch;
  margin-bottom: 3rem;
  line-height: 1.8;
}

.servicos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--rule);
}

.servico-card {
  padding: 2.5rem 2rem;
  border-right: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.servico-card:last-child { border-right: none; }

.servico-num {
  font-size: 0.55rem;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.servico-title {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 400;
  line-height: 1.2;
  color: var(--ink);
}

.servico-desc {
  font-size: 0.7rem;
  line-height: 1.85;
  color: #666;
  flex: 1;
}

.servico-link {
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 2px;
  width: fit-content;
  transition: border-color 0.2s;
}

.servico-link:hover { border-color: var(--ink); }

/* ══════════════════════════════════
   CASES
══════════════════════════════════ */
.cases-grid {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.case-row {
  display: grid;
  grid-template-columns: 1.5fr 2.5fr;
  gap: 4rem;
  align-items: start;
  padding: 2.5rem var(--pad);
  margin: 0 calc(-1 * var(--pad));
  border-bottom: 1px solid var(--rule);
  transition: background 0.2s;
  border-radius: 4px;
}

.case-row:last-child { border-bottom: none; }
.case-row:hover { background: var(--warm); }

.case-setor {
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.4rem;
}

.case-projeto {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--ink);
  line-height: 1.3;
}

.case-empresa {
  font-size: 0.65rem;
  color: var(--muted);
  margin-top: 0.3rem;
}

.case-desafio {
  font-size: 0.68rem;
  line-height: 1.8;
  color: #666;
  padding-top: 0.2rem;
}


/* ══════════════════════════════════
   MENTORIA / CONTATO CTA
══════════════════════════════════ */
#cta { background: #111110; }

#cta .section-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.cta-text .section-title { color: #f5f5f5; }

.cta-sub {
  font-size: 0.72rem;
  line-height: 1.9;
  color: rgba(250,250,248,0.5);
  margin-top: 1rem;
}

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.form-field label {
  font-size: 0.58rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(250,250,248,0.4);
}

.form-field input,
.form-field textarea {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  color: #f5f5f5;
  font-family: var(--mono);
  font-size: 0.72rem;
  padding: 0.75rem 1rem;
  outline: none;
  resize: none;
  transition: border-color 0.2s;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: rgba(250,250,248,0.2);
}

.form-field input:focus,
.form-field textarea:focus {
  border-color: rgba(255,255,255,0.35);
}

.form-submit {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #111110;
  background: #f5f5f5;
  border: none;
  padding: 0.85rem 2rem;
  cursor: pointer;
  width: fit-content;
  transition: opacity 0.2s;
}

.form-submit:hover { opacity: 0.8; }

.form-alt {
  font-size: 0.6rem;
  color: rgba(250,250,248,0.3);
  margin-top: 0.5rem;
}

.form-alt a {
  color: rgba(250,250,248,0.5);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ══════════════════════════════════
   ARTIGOS / NEWSLETTER
══════════════════════════════════ */
#artigos .articles-intro {
  font-size: 0.72rem;
  color: var(--muted);
  max-width: 55ch;
  margin-bottom: 2.5rem;
  line-height: 1.85;
}

.newsletter-box {
  background: var(--warm);
  border: 1px solid var(--rule);
  padding: 2rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.newsletter-text .n-title {
  font-family: var(--serif);
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
}

.newsletter-text .n-sub {
  font-size: 0.65rem;
  color: var(--muted);
}

.newsletter-links {
  display: flex;
  gap: 1rem;
}

.newsletter-links a {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  border: 1px solid var(--rule);
  padding: 0.55rem 1.1rem;
  transition: background 0.15s, border-color 0.15s;
}

.newsletter-links a:hover {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

/* ══════════════════════════════════
   FOOTER
══════════════════════════════════ */
footer {
  background: var(--paper);
  border-top: 1px solid var(--rule);
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem var(--pad);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-logo {
  font-family: var(--serif);
  font-size: 0.95rem;
  color: var(--ink);
}

.footer-copy {
  font-size: 0.58rem;
  color: var(--muted);
  letter-spacing: 0.06em;
}

.footer-links-group {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
}

.footer-link-col {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.footer-link-title {
  font-family: var(--mono);
  font-size: 0.5rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
  font-weight: 500;
  margin-bottom: 0.2rem;
}

.footer-link-col a {
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-link-col a:hover { color: var(--ink); }

/* ══════════════════════════════════
   RESPONSIVE
══════════════════════════════════ */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }

  #sobre .bio-grid { grid-template-columns: 1fr; gap: 2.5rem; }

  .servicos-grid { grid-template-columns: 1fr; }
  .servico-card { border-right: none; border-bottom: 1px solid var(--rule); }
  .servico-card:last-child { border-bottom: none; }

  .case-row { grid-template-columns: 1fr; gap: 1.2rem; padding: 2rem var(--pad); }
  .case-desafio { display: block; margin-top: 0.5rem; margin-bottom: 0.5rem; }

  #cta .section-inner { grid-template-columns: 1fr; }

  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .case-row { grid-template-columns: 1fr; }
  .hero-creds { gap: 1.5rem; }
  .nav-inner { padding: 0 0.6rem; }
  .nav-logo { font-size: 0.85rem; white-space: nowrap; }
  .nav-right-group { gap: 0.5rem; }
  .nav-actions { gap: 0.4rem; padding-right: 0.6rem; }
  .lang-switch { gap: 0.3rem; }
}

/* ── Trusted By ── */
.trusted-by { padding: 4rem 2rem; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); text-align: center; margin-bottom: 4rem; }
.trusted-title { font-family: var(--mono); font-size: 0.85rem; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); margin-bottom: 2rem; }
.trusted-logos { display: flex; flex-wrap: wrap; justify-content: center; gap: 3rem; opacity: 0.7; filter: grayscale(100%); }
.trusted-logos img { height: 28px; width: auto; }

/* ── Process Steps ── */
.process-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; margin-top: 3rem; }
@media (max-width: 768px) { .process-grid { grid-template-columns: 1fr; } }
.process-card { border-left: 1px solid var(--rule); padding-left: 1.5rem; }
.process-num { font-family: var(--mono); font-size: 0.55rem; letter-spacing: 0.2em; color: var(--muted); display: block; margin-bottom: 0.5rem; }
.process-title { font-family: var(--serif); font-size: 1.3rem; font-weight: 400; margin-bottom: 0.5rem; color: var(--ink); line-height: 1.2; }
.process-desc { color: #666; font-size: 0.7rem; line-height: 1.85; }

/* ── FAQ ── */
.faq-list { margin-top: 4rem; }
.faq-item { border-bottom: 1px solid var(--rule); padding: 1.5rem 0; cursor: pointer; }
.faq-question { font-family: var(--serif); font-size: 1.3rem; font-weight: 400; color: var(--ink); display: flex; justify-content: space-between; align-items: center; user-select: none; }
.faq-answer { display: none; margin-top: 1rem; color: #666; font-size: 0.7rem; line-height: 1.85; }
.faq-item.active .faq-answer { display: block; }


@media print {
  body { background: #fff !important; color: #000 !important; font-size: 11pt; }
  nav, #cta, footer, .hero-actions, .trusted-by, .faq-list, .lang-switch, .btn-primary, .btn-ghost { display: none !important; }
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  * { box-shadow: none !important; }
  h1, h2, h3 { page-break-after: avoid; }
  section, .bio-grid, .servico-card { page-break-inside: avoid; border-bottom: 1px solid #ddd; padding-bottom: 1rem; }
  html { scroll-behavior: auto; }
}


/* ── Nav Actions (Lang & Share) ── */
.nav-right-group { display: flex; align-items: center; gap: 1.5rem; }
.nav-actions { display: flex; align-items: center; gap: 1rem; border-right: 1px solid var(--rule); padding-right: 1.5rem; }
.lang-switch { display: flex; gap: 0.6rem; font-size: 0.55rem; font-family: var(--mono); letter-spacing: 0.1em; }
.lang-switch a { color: var(--muted); text-decoration: none; transition: color 0.2s; }
.lang-switch a:hover { color: var(--ink); }
.lang-switch a.active { color: var(--ink); font-weight: 500; border-bottom: 1px solid var(--ink); padding-bottom: 2px; }
.share-btn { cursor: pointer; background: transparent; border: none; font-size: 0.75rem; color: var(--muted); transition: color 0.2s; display: flex; align-items: center; padding: 0; margin-top: 1px; }
.share-btn:hover { color: var(--ink); }



/* ── Hamburger Menu ── */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 22px;
  height: 12px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 110;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.3s, opacity 0.3s;
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(5.25px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  transform: translateY(-5.25px) rotate(-45deg);
}

.nav-drawer {
  position: fixed;
  top: 0;
  right: -280px;
  width: 280px;
  height: 100vh;
  background: var(--paper);
  z-index: 105;
  box-shadow: -5px 0 25px rgba(0,0,0,0.03);
  padding: 60px 2rem 2rem 2rem;
  display: none; /* Oculto no desktop */
  flex-direction: column;
  gap: 1.2rem;
  transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-drawer.active {
  right: 0;
}

.drawer-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0,0,0,0.05);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
  z-index: 104;
  display: none; /* Oculto no desktop */
}

.drawer-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.drawer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.drawer-links a {
  font-family: var(--serif);
  font-size: 1.2rem;
  color: var(--ink);
  text-decoration: none;
  transition: opacity 0.2s;
  display: block;
}

.drawer-links a:hover {
  opacity: 0.7;
}

.drawer-divider {
  height: 1px;
  background: var(--rule);
  margin: 1rem 0;
}

.drawer-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.drawer-actions .lang-switch {
  display: flex;
  gap: 0.8rem;
  font-size: 0.7rem;
}

.drawer-actions .share-btn {
  align-self: flex-start;
  font-size: 0.7rem;
  gap: 0.4rem;
}

.drawer-cta {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper);
  background: var(--ink);
  padding: 0.8rem;
  text-decoration: none;
  transition: opacity 0.2s;
  text-align: center;
  margin-top: auto;
}

.drawer-cta:hover {
  opacity: 0.8;
}

@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }
  nav .nav-links,
  nav .nav-right-group {
    display: none !important;
  }
  .nav-drawer {
    display: flex;
  }
  .drawer-backdrop {
    display: block;
  }
}