/* ============================================================
   VOYAGER — estudo C · Ezon Partners
   Astronautas + poster design + retro-futurism.
   VARIANCE 9 · MOTION 5 · DENSITY 6
   Pranchas numeradas travel-poster · grid exposto · selos caps
   Duotone Marine Navy × Pulsar Teal (100% via tokens)
   ============================================================ */
@import url("tokens/palette.css");
@import url("tokens/semantic.css");

:root {
  --font-display: "Montserrat", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --edge: clamp(1.25rem, 4vw, 3.5rem);
  --frame-pad: clamp(1.25rem, 3vw, 2.5rem);
  --fs-hero: clamp(2.6rem, 7.2vw, 6.4rem);
  --fs-h2: clamp(2.1rem, 5.4vw, 4.4rem);
  --fs-lede: clamp(1.02rem, 1.5vw, 1.2rem);
  --fs-mono: 0.72rem;
  --dur: 0.7s;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  background: var(--surface-base);
  color: var(--text-secondary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; }
h1, h2, h3 { color: var(--text-primary); font-weight: 900; text-transform: uppercase; letter-spacing: -0.015em; line-height: 0.98; margin: 0; }
p { margin: 0; }
a { color: var(--link); }
.mono {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
}

/* ---------- buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.95rem 1.8rem;
  border: 2px solid var(--accent);
  transition: transform 0.25s var(--ease), background 0.25s, color 0.25s;
}
.btn--solid { background: var(--accent); color: var(--accent-contrast); }
.btn--solid:hover { background: var(--accent-strong); border-color: var(--accent-strong); transform: translateY(-2px); }
.btn--ghost { color: var(--text-primary); border-color: var(--border-strong); }
.btn--ghost:hover { border-color: var(--accent); transform: translateY(-2px); }
.btn--sm { padding: 0.55rem 1.1rem; font-size: 0.7rem; }
.btn--lg { padding: 1.15rem 2.6rem; font-size: 0.95rem; }

/* ---------- nav ---------- */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem var(--edge);
  border-bottom: 1px solid var(--border-default);
  background: var(--surface-base);
  position: sticky;
  top: 0;
  z-index: 50;
}
.nav__brand {
  font-weight: 900;
  font-size: 1.3rem;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  text-decoration: none;
  text-transform: lowercase;
}
.nav__brand span { display: block; font-size: 0.5rem; font-weight: 700; letter-spacing: 0.42em; text-transform: uppercase; color: var(--text-tertiary); }
.nav__index { margin: 0; }
.nav__index b { color: var(--accent); font-weight: 600; }
.nav__links { display: flex; align-items: center; gap: 1.4rem; }
.nav__links a:not(.btn) {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.nav__links a:not(.btn):hover { color: var(--link); }
@media (max-width: 720px) { .nav__index { display: none; } .nav__links a:not(.btn) { display: none; } }

/* ---------- plate system ---------- */
.plate { position: relative; padding: clamp(2rem, 5vw, 4rem) var(--edge); overflow: clip; }
.plate.theme-light { background: var(--surface-base); color: var(--text-secondary); }
.plate--dark { background: var(--surface-base); }

.gridlines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    to right,
    var(--border-subtle) 0 1px,
    transparent 1px calc(100% / 12)
  );
  background-position: center;
  background-size: calc(100% - 2 * var(--edge)) 100%;
  background-repeat: no-repeat;
  margin-inline: var(--edge);
}

.frame {
  position: relative;
  border: 1px solid var(--border-strong);
  outline: 1px solid var(--border-subtle);
  outline-offset: 5px;
  padding: var(--frame-pad);
  max-width: 82rem;
  margin-inline: auto;
  background: color-mix(in srgb, var(--surface-base) 82%, transparent);
}
.reg {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-disabled);
  line-height: 1;
  user-select: none;
}
.reg--tl { top: -0.55rem; left: -0.55rem; }
.reg--tr { top: -0.55rem; right: -0.55rem; }
.reg--bl { bottom: -0.55rem; left: -0.55rem; }
.reg--br { bottom: -0.55rem; right: -0.55rem; }

.plate__head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-bottom: 0.9rem;
  margin-bottom: clamp(1.5rem, 4vw, 3rem);
  border-bottom: 1px solid var(--border-default);
}
.plate__head span:first-child { color: var(--text-primary); font-weight: 600; }
.plate__title { font-size: var(--fs-h2); margin-bottom: clamp(1.5rem, 4vw, 3rem); }

/* ---------- hero (prancha 01) ---------- */
.plate--hero { padding-top: clamp(2.5rem, 6vw, 5rem); padding-bottom: clamp(2.5rem, 6vw, 5rem); }
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.hero__copy { display: grid; gap: 1.6rem; justify-items: start; }
.kicker {
  color: var(--link);
  font-weight: 600;
  border: 1px solid var(--border-accent);
  padding: 0.35rem 0.7rem;
}
h1 { font-size: var(--fs-hero); }
h1 em { font-style: normal; color: var(--link); }
.lede { font-size: var(--fs-lede); max-width: 34rem; color: var(--text-secondary); }
.hero__cta { display: flex; gap: 0.9rem; flex-wrap: wrap; }

.hero__fig { position: relative; margin: 0; }
.hero__fig figcaption { margin-top: 0.6rem; }
.stamp--hero {
  position: absolute;
  top: -2.2rem;
  left: -2.6rem;
  width: clamp(6.5rem, 10vw, 8.5rem);
  height: auto;
}
@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__fig { max-width: 26rem; }
  .stamp--hero { left: auto; right: -1rem; }
}

/* ---------- duotone ---------- */
.duo {
  position: relative;
  background: var(--color-marine-navy);
  overflow: hidden;
  border: 1px solid var(--border-strong);
}
.duo img {
  position: relative;
  z-index: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.12) brightness(1.05);
  mix-blend-mode: screen;
}
.duo::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image: radial-gradient(rgba(0, 0, 0, 0.28) 1px, transparent 1.4px);
  background-size: 5px 5px;
  mix-blend-mode: multiply;
  pointer-events: none;
}
.duo::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background: var(--color-pulsar-teal);
  mix-blend-mode: multiply;
  pointer-events: none;
}

/* ---------- stamp (selo) ---------- */
.stamp { transform: rotate(-12deg); }
.stamp__outer, .stamp__inner { fill: none; stroke: var(--link); stroke-width: 1.5; }
.stamp__outer { stroke-dasharray: 2 3; }
.stamp__text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 9.5px;
  letter-spacing: 0.22em;
  fill: var(--link);
  text-transform: uppercase;
}
.stamp__glyph { font-size: 18px; fill: var(--link); }
@media (prefers-reduced-motion: no-preference) {
  .stamp { animation: stamp-spin 60s linear infinite; }
  @keyframes stamp-spin { to { transform: rotate(348deg); } }
}

/* ---------- marquee ---------- */
.marquee {
  overflow: hidden;
  background: var(--color-marine-navy);
  border-block: 1px solid var(--border-strong);
  padding: 0.85rem 0;
}
.marquee__track { display: flex; white-space: nowrap; width: max-content; }
.marquee__track span {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.9rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  padding-right: 0.3em;
}
@media (prefers-reduced-motion: no-preference) {
  .marquee__track { animation: marquee 28s linear infinite; }
  @keyframes marquee { to { transform: translateX(-50%); } }
}

/* ---------- itinerário (prancha 02) ---------- */
.legs {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-default);
  border: 1px solid var(--border-default);
}
.leg {
  background: var(--surface-base);
  padding: clamp(1.4rem, 3vw, 2.2rem);
  display: grid;
  gap: 0.9rem;
  align-content: start;
  transition: background 0.3s;
}
.leg:hover { background: var(--surface-card-hover); }
.leg__num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  border: 1px solid var(--border-accent);
  width: 2.6rem;
  height: 2.6rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
}
.leg h3 { font-size: 1.25rem; letter-spacing: 0.02em; }
.leg p { font-size: 0.95rem; }
.leg__spec { margin: 0.4rem 0 0; display: grid; gap: 0.45rem; }
.leg__spec div { display: flex; justify-content: space-between; gap: 1rem; border-top: 1px dashed var(--border-default); padding-top: 0.45rem; }
.leg__spec dt { color: var(--text-tertiary); }
.leg__spec dd { margin: 0; color: var(--text-primary); font-weight: 600; text-align: right; }
@media (max-width: 900px) { .legs { grid-template-columns: 1fr; } }

/* ---------- diário de bordo (prancha 03) ---------- */
.log__grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.log__fig { margin: 0; max-width: 26rem; }
.log__fig figcaption { margin-top: 0.6rem; }
.log__copy { display: grid; gap: 2rem; }
.log__copy blockquote { margin: 0; }
.log__copy blockquote p {
  font-size: clamp(1.5rem, 3.2vw, 2.4rem);
  font-weight: 800;
  text-transform: uppercase;
  line-height: 1.15;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}
.log__copy cite { display: block; margin-top: 0.8rem; font-style: normal; }
.log__entries { list-style: none; margin: 0; padding: 0; display: grid; }
.log__entries li {
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: 1rem;
  align-items: baseline;
  padding: 0.9rem 0;
  border-top: 1px solid var(--border-default);
  font-size: 0.95rem;
}
.log__entries li b { color: var(--link); font-weight: 800; margin-right: 0.35rem; }
.log__entries .mono { color: var(--text-tertiary); }
@media (max-width: 900px) { .log__grid { grid-template-columns: 1fr; } }

/* ---------- embarque (prancha 04) ---------- */
.plate--boarding { padding-block: clamp(4rem, 10vw, 8rem); }
.boarding__bg {
  position: absolute;
  inset: 0;
  border: 0;
}
.boarding__bg img { height: 100%; object-position: center 30%; }
.plate--boarding .frame {
  background: color-mix(in srgb, var(--color-deep-space) 74%, transparent);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}
.boarding__content {
  display: grid;
  gap: 1.6rem;
  justify-items: center;
  text-align: center;
  padding-block: clamp(2rem, 6vw, 4.5rem);
}
.boarding__content h2 { font-size: var(--fs-h2); }
.boarding__content .lede { max-width: 30rem; color: rgba(245, 243, 240, 0.9); }
.plate--boarding .plate__head { border-color: rgba(245, 243, 240, 0.3); }
.plate--boarding .plate__head span:first-child { color: #F5F3F0; }
.plate--boarding .plate__coords { color: rgba(245, 243, 240, 0.74); }

/* ---------- footer ---------- */
.footer {
  background: var(--surface-footer);
  border-top: 1px solid var(--border-default);
  padding: 2.5rem var(--edge);
  display: grid;
  gap: 0.9rem;
  justify-items: start;
}
.footer__links { display: flex; gap: 1.5rem; }
.footer__links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.footer__links a:hover { color: var(--link); }

/* ---------- reveals (MOTION 5) ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity var(--dur) var(--ease) var(--d, 0s), transform var(--dur) var(--ease) var(--d, 0s); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}