/* ============================================================
   albein.tech — production site CSS
   Foundations come from colors_and_type.css + marketing.css.
   This file: page chrome (nav/footer), section layout, forms,
   and the responsive system in real @media (viewport) queries
   per production brief §4 (Ghost-ready, not @container).
   ============================================================ */

/* §6 guardrail — amber token aligned to identity canon (#B07A1E),
   overriding the DS default #C8881C. */
:root {
  --albein-amber: #B07A1E;
  --albein-amber-soft: #FFF7EC;
  --warning: var(--albein-amber);
  --nav-h: 64px;
}

html { scroll-behavior: smooth; }
body { margin: 0; }
img { max-width: 100%; display: block; }

/* Anchor targets clear the sticky nav */
[id] { scroll-margin-top: calc(var(--nav-h) + 24px); }

/* ---------- Section rhythm ---------- */
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }
.bg-page   { background: var(--bg-page); }
.bg-white  { background: #fff; }
.bg-navy   { background: var(--albein-navy); }

/* ---------- Skip link (a11y) ---------- */
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: #fff; color: var(--accent); padding: 10px 16px;
  border-radius: 4px; font: 600 14px/1 var(--font-sans);
}
.skip-link:focus { left: 16px; top: 16px; }

/* ============================================================
   NAVIGATION
   ============================================================ */
.site-nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(1.1);
  border-bottom: 0.5px solid var(--border);
}
.site-nav__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--nav-h); gap: 24px;
}
.site-nav__logo { display: inline-flex; align-items: center; text-decoration: none; }
.site-nav__links { display: flex; gap: 28px; align-items: center; }
.site-nav__link {
  font: 500 14px/1 var(--font-sans); color: var(--fg-1);
  text-decoration: none; white-space: nowrap; padding: 6px 0;
  border-bottom: 1px solid transparent;
}
.site-nav__link:hover { border-bottom-color: var(--fg-1); }
.site-nav__actions { display: flex; gap: 12px; align-items: center; }
.site-nav__cta { height: 38px; padding: 0 16px; font-size: 14px; }

/* Hamburger — hidden on desktop */
.site-nav__burger {
  display: none;
  width: 44px; height: 44px; align-items: center; justify-content: center;
  background: transparent; border: 1px solid var(--border); border-radius: 4px;
  color: var(--fg-1); cursor: pointer;
}
.site-nav__burger:hover { background: var(--bg-surface); }

/* Mobile panel */
.mobile-panel {
  display: none;
  border-bottom: 0.5px solid var(--border);
  background: #fff;
}
.mobile-panel.is-open { display: block; }
.mobile-panel__inner {
  display: flex; flex-direction: column; gap: 4px;
  padding: 12px 0 20px;
}
.mobile-panel__link {
  font: 500 16px/1 var(--font-sans); color: var(--fg-1);
  text-decoration: none; padding: 14px 4px; min-height: 44px;
  display: flex; align-items: center;
  border-bottom: 0.5px solid var(--border);
}
.mobile-panel__cta { margin-top: 16px; width: 100%; height: 48px; }

/* ============================================================
   HERO
   ============================================================ */
.hero { padding: 104px 0 96px; background: var(--albein-navy); color: #fff; }
.hero__grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
.hero__h1 { font: 700 48px/1.08 var(--font-sans); letter-spacing: -0.02em; color: #fff; margin: 0; max-width: 18ch; }
.hero__sub { font: 400 18px/1.55 var(--font-sans); color: rgba(255,255,255,0.75); margin: 0; max-width: 52ch; }
.hero__eyebrow { font: 500 12px/1.2 var(--font-sans); letter-spacing: 0.08em; text-transform: uppercase; color: rgba(255,255,255,0.65); }
.hero__ctas { display: flex; gap: 12px; margin-top: 8px; flex-wrap: wrap; }
.hero__trust { display: flex; flex-wrap: wrap; gap: 12px 28px; margin-top: 16px; }
.hero__trust span { display: inline-flex; align-items: center; gap: 8px; font: 500 13px/1.4 var(--font-sans); color: rgba(255,255,255,0.65); }

/* Portal preview card */
.portal-card { background: #fff; border-radius: 8px; padding: 18px; color: var(--fg-1); box-shadow: 0 24px 60px rgba(0,0,0,0.25), 0 4px 12px rgba(0,0,0,0.18); }

/* ============================================================
   GRIDS — possibilidades + diferenciais
   ============================================================ */
.col-head { display: flex; flex-direction: column; gap: 16px; max-width: 62ch; }
.poss-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 24px; }
.feat-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 24px; }
.card-title { font: 600 22px/1.25 var(--font-sans); letter-spacing: -0.005em; margin: 0; color: var(--fg-1); }
.card-title-sm { font: 600 18px/1.3 var(--font-sans); margin: 0; color: var(--fg-1); }
.card-body { font: 400 14px/1.55 var(--font-sans); color: var(--fg-2); margin: 0; }
.icon-tile { width: 48px; height: 48px; border-radius: 8px; background: var(--albein-surface); color: var(--accent); display: grid; place-items: center; }
.icon-tile-sm { width: 40px; height: 40px; border-radius: 4px; background: var(--albein-blue-soft); color: var(--accent); display: grid; place-items: center; }
.poss-grid .lucide, .poss-icon svg { width: 24px; height: 24px; }

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.how-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 80px; align-items: start; }
.how-intro { display: flex; flex-direction: column; gap: 18px; position: sticky; top: calc(var(--nav-h) + 32px); }
.how-step { display: grid; grid-template-columns: auto 1fr; gap: 24px; padding: 24px 0; border-bottom: 0.5px solid var(--border); }
.how-step:last-child { border-bottom: none; }
.how-step__n { font: 600 14px/1 var(--font-mono); color: var(--accent); font-variant-numeric: tabular-nums; padding-top: 6px; min-width: 28px; }
.how-step__head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* ============================================================
   PRICING (Como cobramos)
   ============================================================ */
.pricing-grid { display: grid; grid-template-columns: 1fr 0.92fr; gap: 64px; align-items: center; }
.pricing-card { background: var(--albein-navy); color: #fff; border-radius: 8px; padding: 32px; display: flex; flex-direction: column; gap: 22px; }
.bar-track { height: 8px; border-radius: 999px; background: rgba(255,255,255,0.12); overflow: hidden; }
.bar-fill { height: 100%; background: var(--accent); border-radius: 999px; }

/* ============================================================
   INTEGRATIONS ROW
   ============================================================ */
.int-row { background: #fff; border-top: 0.5px solid var(--border); border-bottom: 0.5px solid var(--border); padding: 36px 0; }
.int-row__inner { display: flex; flex-direction: column; gap: 18px; align-items: center; text-align: center; }
.int-chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 12px; }
.int-chip { display: inline-flex; align-items: center; gap: 8px; padding: 9px 16px; border: 0.5px solid var(--border); border-radius: 999px; font: 500 14px/1 var(--font-sans); color: var(--fg-1); }
.int-chip__dot { width: 6px; height: 6px; border-radius: 999px; background: var(--accent); }

/* ============================================================
   CTA BLOCK
   ============================================================ */
.cta-block { background: var(--albein-navy); color: #fff; padding: 96px 0; }
.cta-block__inner { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 24px; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer { background: #fff; border-top: 0.5px solid var(--border); padding: 48px 0 40px; }
.site-footer__inner { display: flex; align-items: flex-start; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.site-footer__links { display: flex; gap: 28px; flex-wrap: wrap; }
.site-footer__link { font: 400 14px/1 var(--font-sans); color: var(--fg-2); text-decoration: none; }
.site-footer__link:hover { color: var(--fg-1); }
.site-footer__legal { font: 400 13px/1.5 var(--font-sans); color: var(--fg-2); margin: 0; }

/* ============================================================
   FORMS (Contato)
   ============================================================ */
.field { display: flex; flex-direction: column; gap: 7px; }
.field label { font: 500 13px/1 var(--font-sans); color: var(--fg-1); }
.input, .textarea {
  font: 400 15px/1.4 var(--font-sans); color: var(--fg-1);
  background: #fff; border: 1px solid var(--border); border-radius: 4px;
  padding: 12px 14px; width: 100%; min-height: 44px;
  transition: border-color 120ms var(--ease-standard), box-shadow 120ms var(--ease-standard);
}
.input:focus, .textarea:focus { outline: none; border-color: var(--accent); box-shadow: var(--focus-ring); }
.textarea { min-height: 120px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* Consent checkboxes — interactive, full-row tap target */
.consent { display: flex; flex-direction: column; gap: 6px; margin-top: 4px; }
.consent label {
  display: flex; align-items: center; gap: 12px; min-height: 44px; padding: 4px 0;
  font: 400 14px/1.4 var(--font-sans); color: var(--fg-1); cursor: pointer;
}
.consent input[type="checkbox"] {
  width: 18px; height: 18px; flex-shrink: 0; accent-color: var(--accent); cursor: pointer;
}

/* Prose (Sobre) */
.prose p { font: 400 18px/1.65 var(--font-sans); color: var(--fg-1); margin: 0 0 20px; max-width: 64ch; }
.prose p.muted { color: var(--fg-2); }

/* Contato — 2-col on desktop, stacks on tablet/phone */
.contato-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 64px; align-items: start; }
.contato-aside { position: sticky; top: calc(var(--nav-h) + 32px); }
@media (max-width: 920px) {
  .contato-grid { grid-template-columns: minmax(0,1fr); gap: 40px; }
  .contato-aside { position: static; }
}

/* Sobre — approval cards + paga-depois two-col */
.aprov-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 24px; margin: 32px 0 40px; }
.sobre-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
@media (max-width: 920px) {
  .aprov-grid { grid-template-columns: minmax(0,1fr); }
  .sobre-2col { grid-template-columns: minmax(0,1fr); gap: 40px; }
}

/* ============================================================
   RESPONSIVE — tablet ≤920px
   ============================================================ */
@media (max-width: 920px) {
  .section { padding: 72px 0; }
  .hero { padding: 80px 0 72px; }
  .hero__grid { grid-template-columns: minmax(0,1fr); gap: 40px; }
  .pricing-grid { grid-template-columns: minmax(0,1fr); gap: 40px; }
  .how-grid { grid-template-columns: minmax(0,1fr); gap: 40px; }
  .how-intro { position: static; }
  .poss-grid, .feat-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }

  .site-nav__links, .site-nav__actions { display: none; }
  .site-nav__burger { display: inline-flex; }
}

/* ============================================================
   RESPONSIVE — phone ≤560px
   ============================================================ */
@media (max-width: 560px) {
  .container { padding: 0 20px; }
  .section { padding: 56px 0; }
  .hero { padding: 56px 0 48px; }
  .hero__h1 { font-size: 34px; }
  .poss-grid, .feat-grid { grid-template-columns: minmax(0,1fr); }
  .form-row { grid-template-columns: 1fr; }
  .section-title, h2 { font-size: 30px; }
  .cta-block { padding: 64px 0; }
  .pricing-card { padding: 24px; }
}