/* Ryan Semá — design. Paleta calma: papel quente, tinta escura, um só acento discreto. */

:root {
  --paper:   #f5f2ec;
  --paper-2: #ece7de;
  --card:    #fbf9f5;
  --ink:     #1d1c1a;
  --ink-2:   #3d3a35;
  --muted:   #77716a;
  --line:    #ddd6ca;
  --accent:  #8a5a3c;   /* castanho-terra suave, usado com moderação */
  --error:   #a33a2c;

  --serif: 'Fraunces', Georgia, 'Times New Roman', serif;
  --sans:  'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --container: 1080px;
  --radius: 10px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-2);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
ul, ol { list-style: none; margin: 0; padding: 0; }
h1, h2, h3 { color: var(--ink); margin: 0; }
p { margin: 0 0 1em; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 760px; }

/* ---------- Header ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(245, 242, 236, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid transparent;
  transition: border-color 200ms;
}
.topbar.scrolled { border-bottom-color: var(--line); }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 24px; }
.brand { font-family: var(--serif); font-size: 1.3rem; color: var(--ink); text-decoration: none; }
.brand-sub { font-family: var(--sans); font-size: 0.8rem; color: var(--muted); margin-left: 8px; letter-spacing: 0.04em; }
.topnav { display: flex; align-items: center; gap: 28px; font-size: 0.93rem; }
.topnav a { text-decoration: none; color: var(--ink-2); }
.topnav a:hover { color: var(--ink); }
.topnav .topnav-cta { padding: 8px 16px; border: 1px solid var(--ink); border-radius: 999px; color: var(--ink); }
.topnav .topnav-cta:hover { background: var(--ink); color: var(--paper); }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.lang { background: none; border: 0; font: inherit; font-size: 0.85rem; color: var(--muted); cursor: pointer; padding: 6px; }
.lang .is-active { color: var(--ink); font-weight: 600; }
.menu-toggle { display: none; background: none; border: 0; width: 36px; height: 36px; cursor: pointer; position: relative; }
.menu-toggle span { position: absolute; left: 8px; right: 8px; height: 1.5px; background: var(--ink); transition: transform 200ms; }
.menu-toggle span:first-child { top: 14px; }
.menu-toggle span:last-child { top: 21px; }
.menu-toggle.open span:first-child { transform: translateY(3.5px) rotate(45deg); }
.menu-toggle.open span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 24px; border-radius: 999px;
  font: 500 0.98rem/1 var(--sans); text-decoration: none; cursor: pointer;
  border: 1px solid transparent; transition: background 180ms, color 180ms, border-color 180ms;
}
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: #000; }
.btn-outline { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-outline:hover { background: var(--ink); color: var(--paper); }
.btn-link { padding: 14px 4px; color: var(--ink); text-decoration: underline; text-underline-offset: 4px; text-decoration-color: var(--line); }
.btn-link:hover { text-decoration-color: var(--ink); }
.btn-block { width: 100%; }
.btn.is-loading { opacity: 0.6; pointer-events: none; }

/* ---------- Hero ---------- */
.hero { padding: 96px 0 80px; }
.hero-eyebrow, .eyebrow {
  font-size: 0.82rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 20px;
}
.hero-title {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(2.4rem, 5.6vw, 4.2rem); line-height: 1.08; letter-spacing: -0.015em;
  max-width: 16ch; margin-bottom: 28px;
}
.hero-lead { font-size: 1.15rem; max-width: 56ch; color: var(--ink-2); margin-bottom: 36px; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; margin-bottom: 64px; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 16px 56px; padding-top: 28px; border-top: 1px solid var(--line); }
.hero-facts li { display: flex; flex-direction: column; font-size: 0.9rem; color: var(--muted); }
.hero-facts strong { font-family: var(--serif); font-weight: 400; font-size: 1.9rem; color: var(--ink); line-height: 1.2; }
.email-badge { display: inline-block; font-size: 0.88rem; color: var(--ink-2); background: var(--card); border: 1px solid var(--line); padding: 6px 14px; border-radius: 999px; margin-bottom: 20px; }

/* ---------- Clients ---------- */
.clients { padding: 28px 0 32px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.clients-label { font-size: 0.82rem; color: var(--muted); margin-bottom: 12px; }
.clients-list { display: flex; flex-wrap: wrap; gap: 8px 40px; }
.clients-list li { font-family: var(--serif); font-size: 1.15rem; color: var(--ink-2); }

/* ---------- Sections ---------- */
.section { padding: 104px 0; }
.section-alt { background: var(--paper-2); }
.section-head { max-width: 640px; margin-bottom: 56px; }
.section-title {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(1.9rem, 3.6vw, 2.7rem); line-height: 1.15; letter-spacing: -0.01em;
  margin-bottom: 20px;
}
.section-sub { color: var(--muted); font-size: 1.05rem; }

/* ---------- Work ---------- */
.case-feature {
  display: grid; grid-template-columns: 1fr 1.6fr; gap: 48px;
  padding: 44px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  margin-bottom: 24px;
}
.case-tag { font-size: 0.82rem; color: var(--muted); margin-bottom: 8px; }
.case-feature h3 { font-family: var(--serif); font-weight: 400; font-size: 1.9rem; margin-bottom: 8px; }
.case-scope { color: var(--accent); font-size: 0.95rem; }
.case-steps { margin: 0 0 32px; display: grid; gap: 18px; }
.case-steps dt { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin-bottom: 2px; }
.case-steps dd { margin: 0; }
.quote { margin: 0; padding-left: 20px; border-left: 2px solid var(--accent); }
.quote p { font-family: var(--serif); font-size: 1.3rem; line-height: 1.4; color: var(--ink); margin-bottom: 8px; }
.quote cite { font-style: normal; font-size: 0.9rem; color: var(--muted); }

.case-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-row { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); }
.case-row h3 { font-family: var(--serif); font-weight: 400; font-size: 1.35rem; margin-bottom: 10px; }
.case-row p:last-child { margin: 0; font-size: 0.97rem; }

/* ---------- Pain ---------- */
.pain-list { margin: 8px 0 28px; }
.pain-list li { padding: 20px 0; border-bottom: 1px solid var(--line); }
.pain-list li:first-child { border-top: 1px solid var(--line); }
.pain-list strong { color: var(--ink); font-weight: 600; }
.pain-close { font-family: var(--serif); font-size: 1.3rem; color: var(--ink); margin: 0; }

/* ---------- Pricing ---------- */
.pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.pricing-card {
  position: relative; display: flex; flex-direction: column;
  padding: 36px 30px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
}
.pricing-card.is-featured { border-color: var(--ink); }
.pricing-badge { position: absolute; top: -12px; left: 30px; margin: 0; font-size: 0.78rem; background: var(--ink); color: var(--paper); padding: 3px 12px; border-radius: 999px; }
.pricing-card h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 4px; }
.pricing-for { font-size: 0.93rem; color: var(--muted); }
.price { font-family: var(--serif); font-size: 2.6rem; color: var(--ink); line-height: 1; margin: 10px 0 26px; }
.price-from { font-family: var(--sans); font-size: 0.9rem; color: var(--muted); }
.pricing-card ul { flex: 1; margin-bottom: 28px; }
.pricing-card li { padding: 9px 0; border-top: 1px solid var(--line); font-size: 0.95rem; }

/* ---------- Process ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; counter-reset: s; }
.step-n { display: block; font-family: var(--serif); font-size: 1.1rem; color: var(--accent); padding-bottom: 14px; margin-bottom: 18px; border-bottom: 1px solid var(--line); }
.process-step h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 8px; }
.process-step p { font-size: 0.96rem; margin: 0; }

/* ---------- About ---------- */
.about { display: grid; grid-template-columns: 220px 1fr; gap: 56px; align-items: start; max-width: 900px; }
.about-mark {
  aspect-ratio: 1; display: grid; place-items: center;
  background: var(--paper-2); border-radius: var(--radius);
  font-family: var(--serif); font-size: 5rem; color: var(--accent);
}

/* ---------- FAQ ---------- */
.faq { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary {
  list-style: none; cursor: pointer; padding: 22px 36px 22px 0; position: relative;
  font-weight: 500; color: var(--ink);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; position: absolute; right: 4px; top: 18px; font-size: 1.4rem; color: var(--muted); font-weight: 300; }
.faq-item[open] summary::after { content: '−'; }
.faq-item p { padding-bottom: 22px; margin: 0; max-width: 62ch; }

/* ---------- Contact ---------- */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.contact-points { margin-top: 28px; }
.contact-points li { padding: 10px 0; border-top: 1px solid var(--line); font-size: 0.96rem; }
.form { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; }
.form-row { position: relative; margin-bottom: 18px; }
.form-row label { display: block; font-size: 0.9rem; font-weight: 500; color: var(--ink); margin-bottom: 6px; }
.optional { color: var(--muted); font-weight: 400; }
.form input, .form select, .form textarea {
  width: 100%; font: inherit; font-size: 1rem; color: var(--ink);
  background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px;
  transition: border-color 150ms;
}
.form textarea { resize: vertical; }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--ink); }
.form-error { display: none; font-size: 0.84rem; color: var(--error); margin-top: 4px; }
.form-row.has-error input, .form-row.has-error select { border-color: var(--error); }
.form-row.has-error .form-error { display: block; }
.char-count { position: absolute; right: 10px; bottom: 8px; font-size: 0.75rem; color: var(--muted); }
.form-note { font-size: 0.84rem; color: var(--muted); margin: 14px 0 0; text-align: center; }

/* ---------- Footer ---------- */
.footer { padding: 36px 0; border-top: 1px solid var(--line); font-size: 0.9rem; color: var(--muted); }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.footer p { margin: 0; }
.footer a { text-decoration: none; }
.footer a:hover { color: var(--ink); }

/* ---------- Sticky CTA (telemóvel) ---------- */
.sticky-cta {
  display: none; position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 40;
  padding: 15px; text-align: center; border-radius: 999px;
  background: var(--ink); color: var(--paper); text-decoration: none; font-weight: 500;
  transform: translateY(120%); transition: transform 250ms;
}
.sticky-cta.visible { transform: translateY(0); }

/* ---------- Toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 24px; z-index: 60; transform: translate(-50%, 140%);
  max-width: calc(100% - 32px); background: var(--ink); color: var(--paper);
  padding: 12px 18px; border-radius: 8px; border-left: 3px solid var(--accent);
  font-size: 0.93rem; transition: transform 250ms;
}
.toast.visible { transform: translate(-50%, 0); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .case-feature, .contact, .about { grid-template-columns: 1fr; gap: 32px; }
  .case-list, .pricing { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .about-mark { width: 120px; font-size: 3rem; }
  .pricing-card.is-featured { order: -1; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .container { padding: 0 16px; }
  .menu-toggle { display: block; }
  .topnav {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--line); padding: 8px 16px 20px;
  }
  .topnav.is-open { display: flex; }
  .topnav a { padding: 12px 0; width: 100%; }
  .topnav .topnav-cta { margin-top: 8px; text-align: center; padding: 12px; }
  .hero { padding: 56px 0 56px; }
  .hero-facts { gap: 16px 32px; }
  .section { padding: 72px 0; }
  .case-feature { padding: 28px 22px; }
  .steps { grid-template-columns: 1fr; gap: 24px; }
  .form { padding: 22px; }
  .sticky-cta { display: block; }
  .footer { padding-bottom: 96px; }
}
.pricing-extra { margin: 28px 0 0; text-align: center; color: var(--ink-2); }