/* ============================================================
   MEIVORA — Design System
   Baseado na referência DESIGNER_APPLE.md (light theme, tipografia
   generosa, espaço em branco, um único acento cromático)
   ============================================================ */

:root {
  --color-primary-ink: #1d1d1f;
  --color-mid-gray: #707070;
  --color-deep-gray: #474747;
  --color-hairline: #d6d6d6;
  --color-canvas: #f5f5f7;
  --color-paper: #ffffff;
  --color-cool-wash: #e8e8ed;
  --color-faded-surface: #fafafc;
  --color-quiet-dot: #777779;
  --color-electric-blue: #0071e3;
  --color-link-blue: #0066cc;
  --color-ember: #b64400;
  --color-sky: #c8d8e0;
  --color-citrus: #dddc8c;
  --color-starlight: #f0e4d3;
  --color-silver: #e3e4e5;
  --color-blush: #e8d0d0;
  --color-indigo: #596680;
  --color-midnight: #2e3642;

  --font-display: 'SF Pro Display', ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-text: 'SF Pro Text', ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --text-micro: 12px;
  --text-caption: 14px;
  --text-body-sm: 17px;
  --text-body: 21px;
  --text-body-lg: 28px;
  --text-subheading: 32px;
  --text-heading-sm: 40px;
  --text-heading: 56px;
  --text-heading-lg: 80px;
  --text-display: 96px;

  --radius-cards: 28px;
  --radius-links: 10px;
  --radius-badges: 36px;
  --radius-buttons: 980px;
  --radius-small: 999px;

  --page-max-width: 1200px;
  --section-gap: 120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

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

body {
  margin: 0;
  font-family: var(--font-text);
  font-size: var(--text-body-sm);
  line-height: 1.47;
  letter-spacing: -0.374px;
  color: var(--color-primary-ink);
  background: var(--color-paper);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

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

/* ---------- Skip link (a11y) ---------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-electric-blue);
  color: #fff;
  padding: 12px 20px;
  border-radius: 0 0 10px 0;
  z-index: 9999;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 2px solid var(--color-electric-blue);
  outline-offset: 3px;
}

/* ---------- Promo ribbon ---------- */
.ribbon {
  background: var(--color-paper);
  text-align: center;
  font-size: var(--text-caption);
  padding: 8px 16px;
  color: var(--color-primary-ink);
  border-bottom: 1px solid var(--color-hairline);
}
.ribbon a { color: var(--color-link-blue); }
.ribbon a:hover { text-decoration: underline; }

/* ---------- Global nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 500;
  background: rgba(255,255,255,0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
}
.nav.scrolled { background: rgba(250,250,252,0.9); border-bottom-color: var(--color-hairline); }
.nav-inner {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.nav-logo { font-family: var(--font-display); font-weight: 700; font-size: 19px; letter-spacing: -0.02em; color: var(--color-primary-ink); flex-shrink: 0; }
.nav-links { display: flex; gap: 18px; list-style: none; margin: 0; padding: 0; flex-wrap: nowrap; overflow-x: auto; }
.nav-links::-webkit-scrollbar { display: none; }
.nav-links a { font-size: 12px; color: var(--color-deep-gray); white-space: nowrap; }
.nav-links a:hover { color: var(--color-primary-ink); }
.nav-cta { flex-shrink: 0; }
.nav-toggle { display: none; background: none; border: none; padding: 6px; }
.nav-toggle svg { width: 22px; height: 22px; }

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav-links.open {
    display: flex; flex-direction: column; position: absolute; top: 48px; left: 0; right: 0;
    background: var(--color-faded-surface); padding: 16px 24px; border-bottom: 1px solid var(--color-hairline);
  }
  .nav-links.open a { padding: 10px 0; font-size: 15px; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: var(--text-body-sm);
  font-weight: 400;
  padding: 11px 22px;
  border-radius: var(--radius-buttons);
  border: 1px solid transparent;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
}
.btn-primary { background: var(--color-electric-blue); color: #fff; }
.btn-primary:hover { background: #0077ed; }
.btn-ghost { background: transparent; border-color: rgba(29,29,31,0.8); color: var(--color-primary-ink); }
.btn-ghost:hover { background: var(--color-cool-wash); }
.btn-lg { padding: 14px 30px; font-size: var(--text-body); }
.link-arrow { color: var(--color-link-blue); font-size: var(--text-body-sm); }
.link-arrow:hover { text-decoration: underline; }

/* ---------- Sections ---------- */
section { padding: var(--section-gap) 0; }
.bg-canvas { background: var(--color-canvas); }
.bg-paper { background: var(--color-paper); }
.section-eyebrow {
  font-size: var(--text-caption);
  color: var(--color-mid-gray);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 12px;
}
.section-header h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(28px, 4vw, var(--text-heading-sm));
  letter-spacing: 0.007em;
  margin: 0 0 16px;
  line-height: 1.14;
}
.section-header p {
  font-size: var(--text-body);
  color: var(--color-deep-gray);
  max-width: 640px;
  margin: 0;
}
.center { text-align: center; margin-left: auto; margin-right: auto; }

/* ---------- Hero ---------- */
.hero {
  padding: 64px 0 80px;
  text-align: center;
  background: linear-gradient(180deg, #ffffff 0%, #ffffff 60%, var(--color-canvas) 100%);
}
.hero-eyebrow { font-size: var(--text-body-sm); color: var(--color-mid-gray); margin-bottom: 8px; }
.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(40px, 8vw, var(--text-display));
  line-height: 1.04;
  letter-spacing: -1.2px;
  margin: 0 auto 20px;
  max-width: 920px;
}
.hero .lede {
  font-size: var(--text-body);
  color: var(--color-deep-gray);
  max-width: 620px;
  margin: 0 auto 32px;
}
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 44px; }
.hero-visual { margin-top: 40px; }

/* ---------- iPhone mockup (CSS-only, sem imagens da Apple) ---------- */
.phone-mock {
  width: 220px;
  height: 448px;
  margin: 0 auto;
  border-radius: 44px;
  background: linear-gradient(155deg, #3a3a3c, #1d1d1f 60%);
  padding: 10px;
  box-shadow: 0 30px 60px -20px rgba(0,0,0,0.25);
  position: relative;
}
.phone-mock .screen {
  width: 100%; height: 100%; border-radius: 34px;
  background: linear-gradient(160deg, var(--color-sky), var(--color-starlight));
  position: relative; overflow: hidden;
}
.phone-mock .notch {
  position: absolute; top: 10px; left: 50%; transform: translateX(-50%);
  width: 70px; height: 20px; background: #1d1d1f; border-radius: 20px;
}
.phone-row { display: flex; gap: 24px; justify-content: center; align-items: flex-end; flex-wrap: wrap; }
.phone-row .phone-mock.sm { width: 150px; height: 306px; border-radius: 34px; }
.phone-row .phone-mock.sm .screen { border-radius: 26px; }

/* ---------- Feature grid / cards ---------- */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.card {
  background: var(--color-paper);
  border-radius: var(--radius-cards);
  padding: 32px;
}
.card.on-canvas { background: var(--color-canvas); }
.card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-body-lg);
  margin: 0 0 10px;
}
.card p { color: var(--color-deep-gray); margin: 0; }
.card .num { color: var(--color-mid-gray); font-size: var(--text-caption); margin-bottom: 10px; display: block; }

/* ---------- Steps ---------- */
.steps { counter-reset: step; display: grid; gap: 16px; }
.step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  padding: 28px 0;
  border-top: 1px solid var(--color-hairline);
}
.step:first-child { border-top: none; }
.step-num {
  font-family: var(--font-display);
  font-size: var(--text-heading-sm);
  color: var(--color-hairline);
  line-height: 1;
}
.step h3 { font-family: var(--font-display); font-weight: 600; font-size: var(--text-body-lg); margin: 0 0 8px; }
.step p { margin: 0; color: var(--color-deep-gray); }

/* ---------- Pricing ---------- */
.plan-card {
  background: var(--color-paper);
  border-radius: var(--radius-cards);
  padding: 32px;
  border: 1px solid var(--color-hairline);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.plan-card.featured { border-color: var(--color-electric-blue); position: relative; }
.plan-badge {
  color: var(--color-ember); font-size: var(--text-caption); font-weight: 500; margin: 0;
}
.plan-name { font-family: var(--font-display); font-weight: 600; font-size: var(--text-body-lg); margin: 0; }
.plan-price { font-family: var(--font-display); font-weight: 700; font-size: var(--text-heading-sm); margin: 0; }
.plan-price span { font-size: var(--text-body-sm); font-weight: 400; color: var(--color-mid-gray); }
.plan-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.plan-list li { padding-left: 22px; position: relative; color: var(--color-deep-gray); font-size: var(--text-body-sm); }
.plan-list li::before { content: "✓"; position: absolute; left: 0; color: var(--color-electric-blue); font-weight: 600; }

/* ---------- iPhone catalog ---------- */
.catalog-card {
  background: var(--color-canvas);
  border-radius: var(--radius-cards);
  padding: 28px;
  text-align: center;
}
.catalog-card .swatch-row { display: flex; gap: 8px; justify-content: center; margin: 16px 0; }
.swatch { width: 24px; height: 24px; border-radius: 999px; }
.catalog-card h3 { font-family: var(--font-display); font-weight: 600; font-size: var(--text-body-lg); margin: 16px 0 4px; }
.catalog-card .price-from { color: var(--color-mid-gray); font-size: var(--text-body-sm); margin: 0 0 16px; }

/* ---------- Testimonials ---------- */
.testimonial {
  background: var(--color-canvas);
  border-radius: var(--radius-cards);
  padding: 32px;
}
.testimonial p.quote { font-size: var(--text-body); line-height: 1.4; margin: 0 0 20px; }
.testimonial .author { display: flex; align-items: center; gap: 12px; }
.avatar { width: 44px; height: 44px; border-radius: 999px; background: var(--color-indigo); flex-shrink: 0; }
.author strong { display: block; font-size: var(--text-body-sm); }
.author span { color: var(--color-mid-gray); font-size: var(--text-caption); }
.stars { color: var(--color-ember); letter-spacing: 2px; margin-bottom: 8px; display: block; }

/* ---------- FAQ ---------- */
.faq-list { display: grid; gap: 0; border-top: 1px solid var(--color-hairline); }
.faq-item { border-bottom: 1px solid var(--color-hairline); }
.faq-item summary {
  padding: 20px 4px;
  font-size: var(--text-body-sm);
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--color-mid-gray);
  flex-shrink: 0;
  transition: transform 0.15s ease;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { padding: 0 4px 22px; margin: 0; color: var(--color-deep-gray); max-width: 760px; }
.faq-cat h3 { font-family: var(--font-display); font-weight: 600; font-size: var(--text-body-lg); margin: 48px 0 8px; }
.faq-cat:first-child h3 { margin-top: 0; }

/* ---------- Simulator ---------- */
.simulator { background: var(--color-canvas); border-radius: var(--radius-cards); padding: 40px; display: grid; gap: 32px; grid-template-columns: 1fr 1fr; }
@media (max-width: 900px) { .simulator { grid-template-columns: 1fr; } }
.sim-field { margin-bottom: 20px; }
.sim-field label { display: block; font-size: var(--text-caption); color: var(--color-deep-gray); margin-bottom: 8px; }
.sim-field select, .sim-field input[type="range"] { width: 100%; }
select {
  width: 100%; padding: 12px 14px; border-radius: var(--radius-links);
  border: 1px solid var(--color-hairline); background: var(--color-paper); font-size: var(--text-body-sm); color: var(--color-primary-ink);
}
input[type="range"] { accent-color: var(--color-electric-blue); }
.sim-result { background: var(--color-paper); border-radius: var(--radius-cards); padding: 32px; }
.sim-result .big { font-family: var(--font-display); font-weight: 700; font-size: var(--text-heading-sm); margin: 8px 0 4px; }
.sim-result .label { color: var(--color-mid-gray); font-size: var(--text-caption); }
.sim-divider { border: none; border-top: 1px solid var(--color-hairline); margin: 20px 0; }

/* ---------- Form ---------- */
.form-field { margin-bottom: 18px; }
.form-field label { display: block; font-size: var(--text-caption); margin-bottom: 6px; color: var(--color-deep-gray); }
.form-field input, .form-field textarea {
  width: 100%; padding: 13px 16px; border-radius: var(--radius-links);
  border: 1px solid var(--color-hairline); font-size: var(--text-body-sm); font-family: inherit; color: var(--color-primary-ink);
}
.form-field textarea { min-height: 120px; resize: vertical; }
.form-note { font-size: var(--text-caption); color: var(--color-mid-gray); margin-top: 12px; }

/* ---------- Blog ---------- */
.post-card { display: grid; gap: 8px; }
.post-card .post-thumb { height: 160px; border-radius: var(--radius-cards); background: linear-gradient(135deg, var(--color-sky), var(--color-blush)); margin-bottom: 12px; }
.post-card h3 { font-family: var(--font-display); font-size: var(--text-body-lg); font-weight: 600; margin: 0; }
.post-card .meta { font-size: var(--text-caption); color: var(--color-mid-gray); }
.post-card p { color: var(--color-deep-gray); margin: 0; }
article.post-body { max-width: 720px; margin: 0 auto; }
article.post-body h2 { font-family: var(--font-display); font-size: var(--text-subheading); margin-top: 44px; }
article.post-body p { font-size: var(--text-body-sm); color: var(--color-deep-gray); }

/* ---------- Breadcrumb ---------- */
.breadcrumb { font-size: var(--text-caption); color: var(--color-mid-gray); padding: 20px 0 0; }
.breadcrumb a { color: var(--color-link-blue); }
.breadcrumb a:hover { text-decoration: underline; }

/* ---------- CTA band ---------- */
.cta-band { text-align: center; }
.cta-band h2 { font-family: var(--font-display); font-weight: 700; font-size: clamp(32px, 5vw, var(--text-heading)); margin: 0 0 16px; letter-spacing: -0.28px; }
.cta-band p { color: var(--color-deep-gray); font-size: var(--text-body); max-width: 560px; margin: 0 auto 32px; }

/* ---------- Footer ---------- */
footer.site-footer { background: var(--color-canvas); padding: 56px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 2fr repeat(4, 1fr); gap: 32px; padding-bottom: 32px; border-bottom: 1px solid var(--color-hairline); }
@media (max-width: 900px) { .footer-grid { grid-template-columns: repeat(2, 1fr); } }
.footer-grid h4 { font-size: var(--text-caption); color: var(--color-primary-ink); margin: 0 0 14px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer-grid a { font-size: var(--text-caption); color: var(--color-deep-gray); }
.footer-grid a:hover { color: var(--color-primary-ink); text-decoration: underline; }
.footer-legal { padding-top: 20px; font-size: var(--text-micro); color: var(--color-mid-gray); line-height: 1.5; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer-legal a { color: var(--color-link-blue); }

/* ---------- Utility ---------- */
.mt-0 { margin-top: 0; }
.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; }