/* ---------- Nav ---------- */

#nav {
  position: fixed;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 30;
  opacity: 0;
}

.nav-pill {
  display: flex;
  align-items: stretch;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  overflow: hidden;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  background: rgba(20, 22, 30, 0.34);
}

html.tier-mobile .nav-pill { backdrop-filter: none; -webkit-backdrop-filter: none; background: rgba(10, 12, 18, 0.82); }

.nav-brand {
  font-family: var(--serif);
  font-size: 1.25rem;
  line-height: 1;
  padding: 0.72rem 1.6rem 0.78rem;
  border-right: 1px solid var(--hairline);
  display: flex;
  align-items: center;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 0.75rem 2.4rem;
  background: rgba(8, 9, 14, 0.4);
  font-size: 0.875rem;
}

.nav-links a { opacity: 0.85; transition: opacity 150ms var(--ease-entrance); }
.nav-links a:hover, .nav-links a.active { opacity: 1; }
.nav-links a.active { color: var(--amber); }

.nav-side {
  display: flex;
  align-items: center;
  border-left: 1px solid var(--hairline);
}

#lang-toggle {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem 1.4rem;
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
}
#lang-toggle i { font-style: normal; opacity: 0.35; }
#lang-toggle span { opacity: 0.4; transition: opacity 150ms var(--ease-entrance); }
html[data-lang="pt"] #lang-toggle span[data-lang-opt="pt"],
html[data-lang="en"] #lang-toggle span[data-lang-opt="en"] { opacity: 1; font-weight: 600; }

#burger { display: none; flex-direction: column; gap: 5px; padding: 0.9rem 1.2rem; }
#burger span { display: block; width: 20px; height: 1px; background: var(--ink); }

@media (max-width: 767px) {
  .nav-links, #lang-toggle { display: none; }
  #burger { display: flex; }
  .nav-side { border-left: 1px solid var(--hairline); }
}

/* ---------- Menu mobile ---------- */

#menu {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: rgba(8, 9, 14, 0.92);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 300ms var(--ease-entrance), visibility 0s 300ms;
}
#menu.open { opacity: 1; visibility: visible; transition: opacity 300ms var(--ease-entrance); }
#menu nav { display: flex; flex-direction: column; align-items: center; gap: 1.6rem; }
#menu nav a { font-family: var(--serif); font-size: 2.25rem; line-height: 1; }
#menu-close { position: absolute; top: 1.2rem; right: 1.6rem; font-size: 2rem; line-height: 1; opacity: 0.7; }
.menu-mail { font-size: 0.875rem; letter-spacing: 0.06em; opacity: 0.6; }

/* ---------- Hero ---------- */

.hero-copy {
  position: absolute;
  left: 4rem;
  top: 50%;
  transform: translateY(-50%);
  max-width: 30rem;
}

.hero-kicker {
  font-size: 0.8125rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 1.2rem;
}

.hero-name {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 5.2rem;
  line-height: 0.95;
  letter-spacing: -0.01em;
  margin-bottom: 1.6rem;
}

.hero-sub {
  font-size: 1.05rem;
  font-weight: 300;
  line-height: 1.45;
  color: var(--ink-dim);
  max-width: 24rem;
}

#scroll-hint {
  position: fixed;
  bottom: 1.3rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 25;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  color: #fff;
  mix-blend-mode: difference;
  pointer-events: none;
  opacity: 0;
  will-change: opacity;
}

.hint-line {
  width: 2px;
  height: 3.4rem;
  border-radius: 2px;
  background: linear-gradient(#fff 0%, rgba(255, 255, 255, 0) 100%);
  animation: hint-drop 2s var(--ease-entrance) infinite;
  transform-origin: top;
}

@media (max-width: 767px) {
  #scroll-hint { font-size: 0.9rem; bottom: 0.9rem; }
  .hint-line { height: 2.3rem; }
}

@keyframes hint-drop {
  0% { transform: scaleY(0); opacity: 0; }
  35% { transform: scaleY(1); opacity: 0.9; }
  100% { transform: scaleY(1) translateY(1.5rem); opacity: 0; }
}

@media (max-width: 767px) {
  .hero-copy { left: 1.5rem; right: 1.5rem; top: auto; bottom: 16%; transform: none; }
  .hero-name { font-size: 3.4rem; }
}

/* ---------- Dive ---------- */

.dive-line {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--serif);
  font-style: italic;
  font-size: 2rem;
  text-align: center;
  max-width: 34rem;
  color: var(--ink);
  opacity: 0;
  will-change: opacity, filter;
}

/* ---------- Painéis das paradas ---------- */

.stop-panel {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 24rem;
  max-width: calc(100vw - 3rem);
  padding: 2rem 2.2rem 2.2rem;
  background: var(--panel);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-top: 1px solid var(--hairline-soft);
  opacity: 0;
  will-change: opacity, transform, filter;
}

html.tier-mobile .stop-panel { backdrop-filter: none; -webkit-backdrop-filter: none; background: var(--panel-strong); }

.stop-panel[data-side="left"] { left: 4rem; }
.stop-panel[data-side="right"] { right: 4rem; }

.stop-kicker {
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 0.9rem;
}

.stop-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 2.1rem;
  line-height: 1.05;
  margin-bottom: 1rem;
}

.stop-body {
  font-size: 0.95rem;
  font-weight: 300;
  line-height: 1.5;
  color: var(--ink-dim);
  margin-bottom: 1.2rem;
}

.stop-tags {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(242, 243, 247, 0.45);
}
.stop-tags b { font-weight: 400; }
.stop-tags i { font-style: normal; color: var(--amber); padding: 0 0.45em; }

@media (max-width: 767px) {
  .stop-panel[data-side="left"], .stop-panel[data-side="right"] {
    left: 1.5rem; right: 1.5rem; top: auto; bottom: 5%;
    transform: none; width: auto; padding: 1.5rem 1.6rem;
  }
  .stop-title { font-size: 1.7rem; }
}

/* ---------- Preloader ---------- */

#preloader {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: var(--pre-surface);
  color: var(--pre-ink);
  display: flex;
  align-items: center;
  justify-content: center;
}

.pre-brand {
  position: absolute;
  top: 1.6rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--serif);
  font-size: 1.25rem;
}

.pre-square {
  position: relative;
  width: min(380px, 70vmin);
  height: min(380px, 70vmin);
  display: flex;
  align-items: center;
  justify-content: center;
  will-change: transform;
}

.pre-square svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.pre-square path {
  fill: none;
  stroke: currentColor;
  stroke-width: 1;
  stroke-dasharray: 1 1;
  stroke-dashoffset: 1;
}

.pre-count {
  font-family: var(--serif);
  font-size: 5rem;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

/* ---------- Cursor ---------- */

#cursor {
  position: fixed;
  left: 0;
  top: 0;
  width: 6rem;
  height: 6rem;
  margin: -3rem 0 0 -3rem;
  border: 1px solid #fff;
  border-radius: 50%;
  mix-blend-mode: difference;
  pointer-events: none;
  z-index: 60;
  opacity: 0;
  will-change: transform;
}

@media (hover: none) { #cursor { display: none; } }

/* ---------- Debug ---------- */

#debug {
  position: fixed;
  left: 0.8rem;
  bottom: 0.8rem;
  z-index: 70;
  font: 11px/1.5 monospace;
  color: #9fe89f;
  background: rgba(0, 0, 0, 0.6);
  padding: 0.5rem 0.7rem;
  pointer-events: none;
  white-space: pre;
}