/* ─────────────────────────────────────────────────────────────
   BANDEIRA*TECH — public portal styles
   Consumes tokens.css. Day (classic) + night architecture.
   ───────────────────────────────────────────────────────────── */

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: var(--weight-body);
  font-size: var(--step-0);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "cv11";
  transition: background 600ms ease, color 600ms ease;
}

a { color: inherit; text-decoration: none; }
::selection { background: var(--sun-core); color: var(--ink); }
img { display: block; max-width: 100%; }


/* ──────────────────────────────────────────────────────────────
   Top bar — site controls (day/night + language).
   Sits at the top of the page, scrolls with content (not fixed).
   ────────────────────────────────────────────────────────────── */
.topbar {
  /* Sky-colored bar: matches the masthead's top band so the seam
     between bar and sky disappears in both day and night. */
  background: var(--sky-zenith);
  border: 0;
  transition: background 600ms ease;
}
.topbar-inner {
  max-width: 76rem;
  margin: 0 auto;
  padding: 0.55rem clamp(1rem, 3vw, 2rem);
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 0.6rem;
}

/* Shared pill chrome for sky-toggle + lang-toggle */
.sky-toggle,
.lang-toggle {
  display: inline-flex;
  align-items: stretch;
  background: var(--paper-bright);
  border: 1px solid var(--hairline);
  padding: 3px;
  gap: 2px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  transition: background 600ms ease, border-color 600ms ease;
}

.sky-toggle button,
.lang-toggle .lang-current,
.lang-toggle .lang-alt {
  appearance: none;
  background: transparent;
  border: 0;
  color: var(--fg-muted);
  padding: 0.45rem 0.8rem;
  cursor: pointer;
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}
.lang-toggle .lang-current { cursor: default; }
.lang-toggle .lang-alt:hover { color: var(--fg); }

.sky-toggle button[aria-pressed="true"],
.lang-toggle .lang-current {
  background: var(--sky-zenith);
  color: var(--sun-core);
}

.sky-toggle button:focus-visible,
.lang-toggle .lang-alt:focus-visible {
  outline: 2px solid var(--accent-core);
  outline-offset: 2px;
}


/* ──────────────────────────────────────────────────────────────
   Masthead — atmosphere with banded descent
   ────────────────────────────────────────────────────────────── */
.sky-masthead {
  position: relative;
  background: var(--atmosphere);
  color: var(--sky-text);
  /* Top padding is tight because the topbar above is the same sky
     colour — they read as one continuous atmosphere, so the bar height
     itself provides the breathing room above the eyebrow. */
  padding:
    clamp(1.25rem, 3vw, 2.25rem)
    clamp(1.25rem, 4vw, 4rem)
    clamp(6rem, 14vw, 11rem);
  text-align: center;
  overflow: hidden;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: clamp(0.7rem, 1.1vw, 0.82rem);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sky-text);
  margin: 0 0 clamp(1.5rem, 4vw, 2.5rem);
}

.wordmark {
  font-family: var(--font-display);
  font-weight: var(--weight-display-strong);
  font-size: min(10.5vw, 8rem);
  line-height: 0.9;
  letter-spacing: 0.01em;
  color: var(--sun-core);
  margin: 0;
  white-space: nowrap;
  /* Four diagonal sub-pixel highlights — white on the top corners
     (sun-lit), lightblue on the bottom corners (sky reflection).
     Fixed across day/night. */
  text-shadow:
     0.01em -0.01em 0 white,
    -0.01em -0.01em 0 white,
     0.01em  0.01em 0 lightblue,
    -0.01em  0.01em 0 lightblue;
}
/* Force ✶ (U+2736) through Noto Sans Symbols 2 — Ubuntu, SF Pro,
   Segoe UI, etc. don't contain this codepoint, so without this rule
   the browser falls back per-glyph and the star looks different on
   every OS (Zapf Dingbats on macOS, Segoe UI Symbol on Windows…).
   Applies to every .star span site-wide. */
.star {
  font-family: 'Noto Sans Symbols 2', 'Ubuntu', system-ui, sans-serif;
}

.wordmark .star {
  display: inline-block;
  color: var(--sun-core);
  font-size: 0.82em;
  margin: 0 0.04em;
  transform: translateY(-0.04em);
  text-shadow:
     0.01em -0.01em 0 white,
    -0.01em -0.01em 0 white,
     0.01em  0.01em 0 lightblue,
    -0.01em  0.01em 0 lightblue;
}

.tagline {
  font-family: var(--font-mono);
  font-size: clamp(0.9rem, 1.6vw, 1.15rem);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sky-text);
  margin: clamp(1.5rem, 4vw, 2.5rem) 0 0;
}


/* ──────────────────────────────────────────────────────────────
   Section primitives
   ────────────────────────────────────────────────────────────── */
.section-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin: 0 0 clamp(1.5rem, 4vw, 2rem);
}
.section-num.inverted {
  color: var(--accent-text-muted);
}


/* ──────────────────────────────────────────────────────────────
   §1 — Surface (Teu destino) — paper content
   ────────────────────────────────────────────────────────────── */
.surface {
  background: var(--paper-warm);
  padding: clamp(4rem, 10vw, 8rem) clamp(1.25rem, 4vw, 4rem);
}
.surface-inner { max-width: 64ch; margin: 0 auto; }

.surface-h {
  font-family: var(--font-display);
  font-weight: var(--weight-display);
  font-size: clamp(1.9rem, 4.4vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.018em;
  color: var(--ink);
  margin: 0 0 1.4rem;
  max-width: 20ch;
}
.surface-lede {
  font-family: var(--font-body);
  font-weight: var(--weight-body-mid);
  font-size: clamp(1.15rem, 1.9vw, 1.35rem);
  line-height: 1.55;
  margin: 0 0 1.6rem;
  color: var(--fg);
}
.surface-body {
  font-family: var(--font-body);
  font-weight: var(--weight-body);
  font-size: var(--step-0);
  line-height: 1.7;
  margin: 0 0 2rem;
  color: var(--fg);
}


/* ──────────────────────────────────────────────────────────────
   §2 — Journey — three phases as cards
   ────────────────────────────────────────────────────────────── */
.journey {
  background: var(--paper-bright);
  padding: clamp(4rem, 10vw, 8rem) clamp(1.25rem, 4vw, 4rem);
  border-top: 1px solid var(--hairline);
}
.journey-inner { max-width: 76rem; margin: 0 auto; }

.journey-h {
  font-family: var(--font-display);
  font-weight: var(--weight-display);
  font-size: clamp(1.7rem, 3.4vw, 2.4rem);
  line-height: 1.1;
  letter-spacing: -0.018em;
  margin: 0 0 clamp(2rem, 5vw, 3rem);
  max-width: 24ch;
  color: var(--ink);
}

.phase-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
}
@media (min-width: 760px) {
  .phase-grid { grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
}

.phase {
  background: var(--paper-warm);
  border: 1px solid var(--rule);
  padding: clamp(1.4rem, 2.5vw, 2rem);
  display: flex;
  flex-direction: column;
}
.phase-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-heading);
  margin: 0 0 1rem;
  font-weight: 500;
}
.phase-h {
  font-family: var(--font-display);
  font-weight: var(--weight-display-strong);
  font-size: clamp(1.15rem, 1.8vw, 1.4rem);
  line-height: 1.15;
  letter-spacing: -0.012em;
  margin: 0 0 0.9rem;
  color: var(--ink);
}
.phase-p {
  font-family: var(--font-body);
  font-weight: var(--weight-body);
  font-size: var(--step-0);
  line-height: 1.6;
  margin: 0 0 1.2rem;
  color: var(--fg);
  flex: 1;
}
.phase-meta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin: 0;
}


/* ──────────────────────────────────────────────────────────────
   §3 — Support (Teu sistema de suporte) — ACCENT panel.

   Background gradient INLINED here (not as a token) so var() refs
   resolve at THIS element instead of cascading the already-resolved
   value from :root. See sky.css for the architectural rationale.
   ────────────────────────────────────────────────────────────── */
.support {
  background: linear-gradient(
    180deg,
    var(--paper-warm)   0     0.4%,
    var(--accent-cream) 0.4%  1.2%,
    var(--accent-soft)  1.2%  2.4%,
    var(--accent-warm)  2.4%  3.6%,
    var(--accent-core)  3.6%  96.4%,
    var(--accent-warm)  96.4% 97.6%,
    var(--accent-soft)  97.6% 98.8%,
    var(--accent-cream) 98.8% 99.6%,
    var(--paper-warm)   99.6% 100%
  );
  color: var(--accent-text);
  padding: clamp(4rem, 10vw, 8rem) clamp(1.25rem, 4vw, 4rem);
}
.support-inner { max-width: 64rem; margin: 0 auto; }

.support-h {
  font-family: var(--font-display);
  font-weight: var(--weight-display-strong);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.08;
  letter-spacing: -0.018em;
  margin: 0 0 1.4rem;
  max-width: 24ch;
  color: var(--accent-heading);
}
.support-lede {
  font-family: var(--font-body);
  font-weight: var(--weight-body-mid);
  font-size: clamp(1.1rem, 1.8vw, 1.3rem);
  line-height: 1.55;
  margin: 0 0 2.2rem;
  max-width: 56ch;
  color: var(--accent-text);
}
.support-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1rem;
  max-width: 64ch;
}
.support-list li {
  font-family: var(--font-body);
  font-weight: var(--weight-body);
  font-size: var(--step-0);
  line-height: 1.6;
  padding-left: 1.6rem;
  position: relative;
}
.support-list li::before {
  content: "✶";
  position: absolute;
  left: 0;
  top: 0.05em;
  color: var(--accent-heading);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1em;
}
.support-list strong {
  font-weight: 600;
  color: var(--accent-heading);
}


/* ──────────────────────────────────────────────────────────────
   §4 — Contact form (paper)
   ────────────────────────────────────────────────────────────── */
.contact {
  background: var(--paper-warm);
  padding: clamp(4rem, 10vw, 8rem) clamp(1.25rem, 4vw, 4rem);
}
.contact-inner { max-width: 60rem; margin: 0 auto; }

.contact-h {
  font-family: var(--font-display);
  font-weight: var(--weight-display);
  font-size: clamp(1.8rem, 3.8vw, 2.6rem);
  line-height: 1.08;
  letter-spacing: -0.018em;
  margin: 0 0 1rem;
  max-width: 22ch;
  color: var(--ink);
}
.contact-lede {
  font-family: var(--font-body);
  font-weight: var(--weight-body-mid);
  font-size: clamp(1.05rem, 1.7vw, 1.2rem);
  line-height: 1.5;
  margin: 0 0 2.2rem;
  max-width: 52ch;
  color: var(--fg-muted);
}

.contact-form {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.3rem;
}
@media (min-width: 720px) {
  .contact-form { grid-template-columns: 1fr 1fr; }
  .contact-form .field-full,
  .contact-form button { grid-column: 1 / -1; }
}

.field { display: grid; gap: 0.45rem; }
.field-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-muted);
}
.field-input {
  font-family: var(--font-body);
  font-weight: var(--weight-body-mid);
  font-size: var(--step-0);
  line-height: 1.5;
  background: var(--paper-bright);
  color: var(--fg);
  border: 1px solid var(--rule);
  padding: 0.65rem 0.75rem;
  border-radius: 0;
  outline: none;
  appearance: none;
  resize: vertical;
  transition: border-color 140ms ease, box-shadow 140ms ease;
}
.field-input::placeholder { color: var(--fg-muted); opacity: 0.6; }
.field-input:focus {
  border-color: var(--accent-heading);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--accent-heading) 22%, transparent);
}


/* ──────────────────────────────────────────────────────────────
   Primary action button — blue background, gold text (both modes)
   ────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-weight: var(--weight-display-strong);
  font-size: var(--step-0);
  letter-spacing: -0.005em;
  padding: 0.85rem 1.4rem;
  border: 0;
  cursor: pointer;
  transition: transform 140ms ease, box-shadow 140ms ease, background 600ms ease, color 600ms ease;
  text-transform: none;
}
.btn:hover { transform: translateY(-1px); }
.btn:focus-visible { outline: 2px solid var(--accent-heading); outline-offset: 3px; }

.btn-primary {
  background: var(--primary-bg);
  color: var(--primary-text);
}
.btn-primary:hover {
  box-shadow: 0 6px 0 var(--primary-hover-shadow);
}


/* ──────────────────────────────────────────────────────────────
   Footer — gold horizon
   ────────────────────────────────────────────────────────────── */
.sky-footer {
  background: var(--gold-stripes);
  color: var(--sky-zenith);
  padding: clamp(2rem, 5vw, 3.5rem) clamp(1.25rem, 4vw, 4rem);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1.5rem;
  flex-wrap: wrap;
  border-top: 1px solid rgba(0,0,0,0.10);
  transition: color 600ms ease;
}
[data-sky="night"] .sky-footer {
  /* Color over the antique-gold horizon — dim parchment reads as
     the brand "earth tone" against the gold. */
  color: var(--paper-warm);
}

.wordmark-sm {
  font-family: var(--font-display);
  font-weight: var(--weight-display-strong);
  font-size: clamp(1.1rem, 2.5vw, 1.6rem);
  letter-spacing: 0.01em;
  margin: 0;
}
.wordmark-sm .star {
  color: var(--sky-zenith);
  font-size: 0.86em;
  display: inline-block;
  transform: translateY(-0.04em);
  margin: 0 0.02em;
}
[data-sky="night"] .wordmark-sm .star { color: var(--paper-warm); }

.sky-footer .copy {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 0;
}
.sky-footer .links {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 0;
}
.sky-footer .links a {
  border-bottom: 1px solid transparent;
  transition: border-color 140ms ease;
}
.sky-footer .links a:hover { border-bottom-color: currentColor; }


/* ──────────────────────────────────────────────────────────────
   Reduced motion
   ────────────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, ::before, ::after {
    transition: none !important;
    animation: none !important;
  }
  html { scroll-behavior: auto; }
}