:root {
  --ink: #eaf3fb;
  --ink-dim: #9fc0d6;
  --ink-faint: #6d95ad;
  --ocean-0: #020c15;
  --ocean-1: #04182a;
  --ocean-2: #072944;
  --violet: #3a1470;
  --accent: #2f9ede;   /* azul elétrico */
  --accent-hi: #66c6f5;
  --spark: #ffa735;    /* faísca laranja */
  --line: rgba(120, 178, 214, .16);

  --font-display: "Sora", system-ui, sans-serif;
  --font-body: "Hanken Grotesk", system-ui, -apple-system, sans-serif;

  --z-bg: 0;
  --z-grain: 1;
  --z-content: 2;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
}

body {
  min-height: 100svh;
  color: var(--ink);
  font-family: var(--font-body);
  overscroll-behavior-y: none;
  -webkit-tap-highlight-color: transparent;
  background:
    radial-gradient(120% 90% at 12% 8%, rgba(58, 20, 112, .55) 0%, transparent 42%),
    radial-gradient(130% 100% at 88% 12%, rgba(47, 158, 222, .28) 0%, transparent 46%),
    radial-gradient(140% 120% at 50% 120%, rgba(5, 40, 68, .9) 0%, transparent 60%),
    linear-gradient(165deg, var(--ocean-1) 0%, var(--ocean-0) 100%);
  overflow-x: clip;
}

/* ---------- Fundo animado (canvas) + grão ---------- */
.bg {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: var(--z-bg);
  pointer-events: none;
}
.grain {
  position: fixed;
  inset: 0;
  z-index: var(--z-grain);
  pointer-events: none;
  opacity: .5;
  mix-blend-mode: soft-light;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
}

/* Vinheta pra dar foco ao centro */
.landing::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: var(--z-grain);
  pointer-events: none;
  background: radial-gradient(120% 100% at 50% 45%, transparent 55%, rgba(2, 10, 20, .55) 100%);
}

/* ---------- Layout geral ---------- */
.landing {
  position: relative;
  z-index: var(--z-content);
  min-height: 100svh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: clamp(24px, 5vh, 56px);
  padding-top: max(clamp(20px, 4vw, 40px), env(safe-area-inset-top, 0px));
  padding-bottom: max(clamp(20px, 4vw, 40px), env(safe-area-inset-bottom, 0px));
  padding-left: max(clamp(22px, 6vw, 88px), env(safe-area-inset-left, 0px));
  padding-right: max(clamp(22px, 6vw, 88px), env(safe-area-inset-right, 0px));
  max-width: 1240px;
  margin: 0 auto;
}

/* ---------- Header ---------- */
.head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.head__tag { display: inline-flex; align-items: center; gap: 10px; }
.head__mark { width: 20px; height: 20px; object-fit: contain; opacity: .9; }
.head__year { font-family: var(--font-display); font-weight: 600; color: var(--ink-dim); letter-spacing: .1em; }

/* ---------- Hero ---------- */
.hero {
  align-self: center;
  max-width: 760px;
}

.lockup { margin-bottom: clamp(26px, 4vh, 44px); }
.logo-hero {
  width: clamp(268px, 40vw, 452px);
  height: auto;
  display: block;
  filter: drop-shadow(0 8px 30px rgba(3, 22, 40, .5));
}

.tagline {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(22px, 3.4vw, 36px);
  line-height: 1.18;
  letter-spacing: -.015em;
  text-wrap: balance;
  margin: 0 0 clamp(12px, 1.6vh, 18px);
  max-width: 20ch;
}
.tagline em {
  font-style: normal;
  color: var(--accent-hi);
}

.lede {
  font-size: clamp(15px, 1.7vw, 18px);
  line-height: 1.6;
  color: var(--ink-dim);
  max-width: 46ch;
  margin: 0 0 clamp(28px, 4vh, 44px);
}

/* ---------- Seleção de idioma ---------- */
.lang { display: flex; flex-direction: column; gap: 18px; }

.lang-primary {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  width: fit-content;
  max-width: 100%;
  padding: 15px 20px;
  border-radius: 16px;
  text-decoration: none;
  color: var(--accent-ink, #04202f);
  background: linear-gradient(135deg, var(--accent-hi), var(--accent) 62%, #1c6fb0);
  box-shadow: 0 14px 34px rgba(20, 110, 176, .38), inset 0 1px 0 rgba(255, 255, 255, .35);
  transition: transform .35s cubic-bezier(.22,.61,.36,1), box-shadow .35s;
}
.lang-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 20px 46px rgba(20, 110, 176, .5), inset 0 1px 0 rgba(255, 255, 255, .4);
}
.lang-primary:focus-visible { outline: 2px solid var(--accent-hi); outline-offset: 3px; }
.flag {
  display: block;
  width: 22px;
  height: auto;
  flex: 0 0 auto;
  border-radius: 3px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, .2), 0 1px 3px rgba(0, 0, 0, .35);
}
.flag--lg { width: 34px; }
.lang-primary__text { display: flex; flex-direction: column; gap: 2px; color: #06283d; }
.lang-primary__text strong { font-family: var(--font-display); font-weight: 700; font-size: 18px; letter-spacing: .01em; }
.lang-primary__text small { font-size: 13px; font-weight: 500; opacity: .82; }
.lang-primary__arrow {
  margin-left: 6px;
  font-size: 22px;
  color: #06283d;
  transition: transform .35s cubic-bezier(.22,.61,.36,1);
}
.lang-primary:hover .lang-primary__arrow { transform: translateX(1px); }

.lang-alt { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.lang-alt__label {
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.lang-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  border-radius: 11px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-dim);
  text-decoration: none;
  border: 1px solid var(--line);
  background: rgba(120, 178, 214, .05);
  transition: color .2s, border-color .2s, background .2s, transform .2s;
}
.lang-chip .flag { width: 20px; }
.lang-chip:hover {
  color: var(--ink);
  border-color: rgba(102, 198, 245, .5);
  background: rgba(47, 158, 222, .12);
  transform: translateY(-1px);
}

/* ---------- Footer ---------- */
.foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: clamp(16px, 3vh, 28px);
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--ink-faint);
}
.foot__meta { letter-spacing: .04em; }
.foot__dl {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--ink-dim);
  text-decoration: none;
  transition: color .2s;
}
.foot__dl span { color: var(--spark); font-size: 15px; }
.foot__dl:hover { color: var(--ink); }

/* ---------- Motion de entrada ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
}
.is-ready [data-reveal] {
  opacity: 1;
  transform: none;
  transition: opacity .8s cubic-bezier(.16,1,.3,1), transform .8s cubic-bezier(.16,1,.3,1);
}
.is-ready .lockup   { transition-delay: .05s; }
.is-ready .tagline  { transition-delay: .18s; }
.is-ready .lede     { transition-delay: .28s; }
.is-ready .lang     { transition-delay: .38s; }
.is-ready .foot     { transition-delay: .5s; }

/* ---------- Responsivo ---------- */
@media (max-width: 560px) {
  .head__year { display: none; }
  .lang-primary { width: 100%; }
  .foot { flex-direction: column; align-items: flex-start; gap: 8px; }
}

/* ---------- Ergonomia em telas de toque ---------- */
@media (pointer: coarse) {
  .lang-chip { padding: 12px 16px; }
  .lang-primary:active { transform: scale(.99); }
  .lang-chip:active { transform: scale(.97); background: rgba(47, 158, 222, .16); }
  .foot__dl { padding: 6px 2px; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .lang-primary, .lang-chip { transition: none; }
}