/* Incrível Tech — estilos partilhados
   Princípios: fonte do sistema, tracking por tamanho, materiais translúcidos,
   feedback no press, molas sem overshoot, respeito por reduced-motion/transparency/contrast. */

:root {
  --bg: #fbfbfd;
  --bg-elev: #ffffff;
  --text: #1d1d1f;
  --text-2: #515154;
  --text-3: #6e6e73;
  --line: rgba(0, 0, 0, 0.08);
  --accent: #0a66e8;
  --accent-press: #0857c7;
  --accent-soft: rgba(10, 102, 232, 0.1);
  --ok: #1a7f37;
  --err: #c9271d;
  --glass: rgba(251, 251, 253, 0.72);
  --glass-edge: rgba(255, 255, 255, 0.5);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04), 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 2px 6px rgba(0, 0, 0, 0.04), 0 24px 48px -12px rgba(0, 0, 0, 0.12);
  --radius: 1.125rem;
  --radius-lg: 1.75rem;
  /* Curva "ease-out" forte para entradas; o equivalente CSS de uma mola criticamente amortecida */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --nav-h: 3.25rem;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --bg-elev: #161618;
    --text: #f5f5f7;
    --text-2: #c7c7cc;
    --text-3: #98989d;
    --line: rgba(255, 255, 255, 0.1);
    --accent: #3b8bff;
    --accent-press: #2a78ec;
    --accent-soft: rgba(59, 139, 255, 0.16);
    --ok: #3fb950;
    --err: #ff6b5f;
    --glass: rgba(22, 22, 24, 0.7);
    --glass-edge: rgba(255, 255, 255, 0.08);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 24px 48px -12px rgba(0, 0, 0, 0.6);
  }
}

*, *::before, *::after { box-sizing: border-box; }

html {
  font: 100%/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--nav-h) + 1rem);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  /* transição suave de tema, sem saltos bruscos de brilho */
  transition: background-color 300ms ease, color 300ms ease;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; }

.wrap {
  width: min(100% - 2rem, 68rem);
  margin-inline: auto;
}

/* ---------- Tipografia: tracking e leading variam com o tamanho ---------- */
.display {
  font-size: clamp(2.5rem, 7vw, 4.75rem);
  line-height: 1.04;
  letter-spacing: -0.035em;
  font-weight: 700;
  margin: 0;
  font-optical-sizing: auto;
  text-wrap: balance;
}
.h2 {
  font-size: clamp(1.875rem, 4.2vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.028em;
  font-weight: 700;
  margin: 0;
  text-wrap: balance;
}
.h3 {
  font-size: 1.25rem;
  line-height: 1.25;
  letter-spacing: -0.012em;
  font-weight: 600;
  margin: 0;
}
.lead {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--text-2);
  margin: 0;
  text-wrap: pretty;
}
.eyebrow {
  font-size: 0.8125rem;
  line-height: 1.3;
  letter-spacing: 0.02em;
  font-weight: 600;
  color: var(--accent);
  margin: 0 0 0.75rem;
}
p { text-wrap: pretty; }
.muted { color: var(--text-3); }

/* ---------- Navegação: camada translúcida, conteúdo passa por baixo ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  background: var(--glass);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  backdrop-filter: blur(20px) saturate(180%);
}
/* Efeito de margem de scroll em vez de um divisor duro: só aparece quando há conteúdo por baixo */
.nav::after {
  content: "";
  position: absolute;
  inset: auto 0 -1px 0;
  height: 1px;
  background: var(--line);
  opacity: 0;
  transition: opacity 200ms ease;
}
.nav[data-scrolled="true"]::after { opacity: 1; }

.nav__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 650;
  font-size: 1.0625rem;
  letter-spacing: -0.015em;
  text-decoration: none;
}
.brand__logo { height: 1.875rem; width: auto; flex: none; }
.brand__name { display: grid; line-height: 1.05; }
.brand__name small { font-size: 0.6875rem; font-weight: 500; letter-spacing: 0.01em; color: var(--text-3); }
.nav__links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav__links a {
  display: block;
  padding: 0.5rem 0.75rem;
  border-radius: 999px;
  font-size: 0.875rem;
  letter-spacing: 0.005em;
  color: var(--text-2);
  text-decoration: none;
  transition: color 150ms ease, background-color 150ms ease;
}
.nav__links a[aria-current="page"] { color: var(--text); font-weight: 600; }
.nav__links a.btn--primary { color: #fff; }
@media (hover: hover) {
  .nav__links a:hover { color: var(--text); background: var(--line); }
  .nav__links a.btn--primary:hover { color: #fff; background: var(--accent-press); }
}
.nav__toggle { display: none; }

/* ---------- Botões: feedback no press, instantâneo ---------- */
.btn {
  --h: 2.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  min-height: var(--h);
  padding: 0 1.25rem;
  border-radius: 999px;
  border: 0;
  font: inherit;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.005em;
  text-decoration: none;
  cursor: pointer;
  touch-action: manipulation;
  user-select: none;
  transition: transform 160ms var(--ease-out), background-color 150ms ease, box-shadow 150ms ease;
}
.btn:active { transform: scale(0.97); transition-duration: 80ms; }
.btn--primary { background: var(--accent); color: #fff; }
.btn--primary:active { background: var(--accent-press); }
.btn--ghost { background: var(--accent-soft); color: var(--accent); }
.btn--sm { --h: 2.125rem; padding: 0 0.95rem; font-size: 0.875rem; }
@media (hover: hover) {
  .btn--primary:hover { background: var(--accent-press); }
}
.btn svg { width: 1em; height: 1em; transition: transform 200ms var(--ease-out); }
@media (hover: hover) {
  .btn:hover svg { transform: translateX(2px); }
}

:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 55%, transparent);
  outline-offset: 2px;
  border-radius: 0.5rem;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: clamp(4rem, 12vw, 8.5rem) 0 clamp(3rem, 8vw, 6rem);
  text-align: center;
  overflow: hidden;
}
.hero__glow {
  position: absolute;
  inset: -20% -10% auto;
  height: 38rem;
  background:
    radial-gradient(40% 50% at 30% 40%, rgba(59, 139, 255, 0.22), transparent 70%),
    radial-gradient(35% 45% at 70% 35%, rgba(122, 92, 255, 0.2), transparent 70%);
  filter: blur(20px);
  pointer-events: none;
  z-index: -1;
}
.hero .lead { max-width: 38rem; margin: 1.5rem auto 0; }
.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 2.25rem;
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.875rem 0.375rem 0.5rem;
  border-radius: 999px;
  background: var(--bg-elev);
  box-shadow: var(--shadow-sm), inset 0 0 0 1px var(--line);
  font-size: 0.8125rem;
  letter-spacing: 0.005em;
  color: var(--text-2);
  margin-bottom: 1.75rem;
}
.pill__dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 22%, transparent);
}

/* Uma única entrada, no hero — o resto da página não precisa de fade-in */
.enter {
  animation: enter 700ms var(--ease-out) both;
  animation-delay: calc(var(--i, 0) * 70ms);
}
@keyframes enter {
  from { opacity: 0; transform: translateY(12px); filter: blur(4px); }
}

/* Mockup em vidro no hero */
.showcase {
  margin: clamp(3rem, 7vw, 4.5rem) auto 0;
  max-width: 56rem;
  border-radius: var(--radius-lg);
  background: var(--glass);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  backdrop-filter: blur(24px) saturate(160%);
  box-shadow: var(--shadow-lg), inset 0 1px 0 var(--glass-edge), inset 0 0 0 1px var(--line);
  padding: 1rem;
  text-align: left;
}
.showcase__bar { display: flex; gap: 0.375rem; padding: 0.25rem 0.25rem 0.875rem; }
.showcase__bar span { width: 0.6875rem; height: 0.6875rem; border-radius: 50%; background: var(--line); }
.showcase__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 0.75rem;
}
.tile {
  background: var(--bg-elev);
  border-radius: var(--radius);
  padding: 1.125rem 1.25rem;
  box-shadow: inset 0 0 0 1px var(--line);
}
.tile__label { font-size: 0.75rem; letter-spacing: 0.02em; color: var(--text-3); margin: 0; }
.tile__value {
  font-size: 1.75rem;
  line-height: 1.1;
  letter-spacing: -0.025em;
  font-weight: 700;
  margin: 0.375rem 0 0;
  font-variant-numeric: tabular-nums;
}
.bars { display: flex; align-items: flex-end; gap: 0.375rem; height: 6rem; margin-top: 1rem; }
.bars span {
  flex: 1;
  border-radius: 0.375rem 0.375rem 0.125rem 0.125rem;
  background: linear-gradient(180deg, var(--accent), color-mix(in srgb, var(--accent) 40%, transparent));
  height: var(--h);
  transform-origin: bottom;
  animation: grow 900ms var(--ease-out) both;
  animation-delay: calc(400ms + var(--i) * 50ms);
}
@keyframes grow { from { transform: scaleY(0.15); opacity: 0.4; } }
.stack { display: grid; gap: 0.75rem; }
.status-row { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; font-size: 0.875rem; }
.status-row + .status-row { margin-top: 0.625rem; }
.tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.125rem 0.5rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--ok) 14%, transparent);
  color: var(--ok);
}

/* ---------- Secções ---------- */
.section { padding: clamp(4rem, 10vw, 7rem) 0; }
.section--alt { background: var(--bg-elev); }
.section__head { max-width: 40rem; margin-bottom: clamp(2.5rem, 5vw, 3.5rem); }
.section__head .lead { margin-top: 1rem; }
.section__head--center { margin-inline: auto; text-align: center; }

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.card {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: inset 0 0 0 1px var(--line);
  transition: transform 300ms var(--ease-out), box-shadow 300ms var(--ease-out);
}
.section:not(.section--alt) .card { background: var(--bg-elev); }
@media (hover: hover) {
  .card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg), inset 0 0 0 1px var(--line); }
}
.card p { color: var(--text-2); margin: 0.625rem 0 0; font-size: 0.9375rem; line-height: 1.55; }
.icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.875rem;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
  margin-bottom: 1.25rem;
}
.icon svg { width: 1.375rem; height: 1.375rem; }

/* Processo */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  counter-reset: step;
}
.steps li { counter-increment: step; padding-top: 1.25rem; border-top: 2px solid var(--line); }
.steps li::before {
  content: "0" counter(step);
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--accent);
  margin-bottom: 0.75rem;
  font-variant-numeric: tabular-nums;
}
.steps p { color: var(--text-2); font-size: 0.9375rem; margin: 0.5rem 0 0; }

/* Lista de benefícios */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}
.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.25rem; }
.checks li { display: grid; grid-template-columns: 1.5rem 1fr; gap: 0.875rem; }
.checks svg { width: 1.5rem; height: 1.5rem; color: var(--accent); margin-top: 0.0625rem; }
.checks strong { display: block; font-weight: 600; letter-spacing: -0.01em; }
.checks span { color: var(--text-2); font-size: 0.9375rem; }

/* Perguntas frequentes */
.faq { display: grid; gap: 0.5rem; max-width: 46rem; margin-inline: auto; }
.faq details {
  background: var(--bg);
  border-radius: var(--radius);
  box-shadow: inset 0 0 0 1px var(--line);
}
.faq summary {
  list-style: none;
  cursor: pointer;
  padding: 1.125rem 1.25rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "";
  width: 0.625rem;
  height: 0.625rem;
  flex: none;
  border-right: 2px solid var(--text-3);
  border-bottom: 2px solid var(--text-3);
  transform: translateY(-25%) rotate(45deg);
  transition: transform 250ms var(--ease-out);
}
.faq details[open] summary::after { transform: translateY(25%) rotate(-135deg); }
.faq details p { margin: 0; padding: 0 1.25rem 1.25rem; color: var(--text-2); }

/* CTA final */
.cta {
  border-radius: var(--radius-lg);
  padding: clamp(2.5rem, 7vw, 4.5rem) clamp(1.5rem, 5vw, 4rem);
  text-align: center;
  color: #fff;
  background:
    radial-gradient(60% 80% at 20% 0%, rgba(122, 92, 255, 0.55), transparent 70%),
    linear-gradient(135deg, #0a4fd0, #2a2a8f);
}
.cta .lead { color: rgba(255, 255, 255, 0.82); max-width: 34rem; margin: 1rem auto 2rem; }
.cta .btn--primary { background: #fff; color: #0a3fa8; }
.cta .btn--primary:active { background: #e8eefc; }

/* Rodapé */
.footer { padding: 3rem 0 2.5rem; font-size: 0.8125rem; color: var(--text-3); }
.footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}
.footer a { text-decoration: none; }
@media (hover: hover) { .footer a:hover { color: var(--text); } }
.footer nav { display: flex; gap: 1.25rem; flex-wrap: wrap; }

/* ---------- Contacto ---------- */
.contact {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: clamp(2rem, 6vw, 4.5rem);
  align-items: start;
  padding: clamp(3rem, 9vw, 6rem) 0 clamp(4rem, 10vw, 7rem);
}
.contact .lead { margin-top: 1.25rem; }
.channels { list-style: none; padding: 0; margin: 2.5rem 0 0; display: grid; gap: 0.75rem; }
.channel {
  display: grid;
  grid-template-columns: 2.75rem 1fr;
  gap: 1rem;
  align-items: center;
  padding: 0.875rem;
  border-radius: var(--radius);
  text-decoration: none;
  transition: background-color 150ms ease, transform 160ms var(--ease-out);
}
.channel:active { transform: scale(0.985); }
@media (hover: hover) { a.channel:hover { background: var(--bg-elev); box-shadow: inset 0 0 0 1px var(--line); } }
.channel .icon { margin: 0; }
.channel small { display: block; font-size: 0.8125rem; color: var(--text-3); letter-spacing: 0.005em; }
.channel span { font-weight: 600; letter-spacing: -0.01em; overflow-wrap: anywhere; }

.form-card {
  background: var(--bg-elev);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  box-shadow: var(--shadow-lg), inset 0 0 0 1px var(--line);
}
.form { display: grid; gap: 1.125rem; }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.125rem; }
.field { display: grid; gap: 0.4375rem; }
.field label { font-size: 0.875rem; font-weight: 600; letter-spacing: -0.005em; }
.field label .opt { font-weight: 400; color: var(--text-3); }
.input {
  width: 100%;
  font: inherit;
  /* 16px+ evita o zoom automático do iOS ao focar */
  font-size: 1rem;
  color: var(--text);
  background: var(--bg);
  border: 0;
  border-radius: 0.75rem;
  padding: 0.75rem 0.9375rem;
  box-shadow: inset 0 0 0 1px var(--line);
  transition: box-shadow 150ms ease, background-color 150ms ease;
  appearance: none;
}
textarea.input { min-height: 8.5rem; resize: vertical; line-height: 1.5; }
select.input {
  background-image: linear-gradient(45deg, transparent 50%, var(--text-3) 50%), linear-gradient(135deg, var(--text-3) 50%, transparent 50%);
  background-position: calc(100% - 1.15rem) 55%, calc(100% - 0.85rem) 55%;
  background-size: 0.3rem 0.3rem;
  background-repeat: no-repeat;
  padding-right: 2.5rem;
}
.input::placeholder { color: var(--text-3); opacity: 0.8; }
.input:focus { outline: none; box-shadow: inset 0 0 0 2px var(--accent), 0 0 0 4px var(--accent-soft); }
.field[data-invalid="true"] .input { box-shadow: inset 0 0 0 2px var(--err); }
.field__error {
  font-size: 0.8125rem;
  color: var(--err);
  min-height: 0;
  margin: 0;
}
.field__error:empty { display: none; }

.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; border: 0; padding: 0; margin: 0; }
.chips legend { font-size: 0.875rem; font-weight: 600; margin-bottom: 0.5rem; padding: 0; }
.chip { position: relative; }
.chip input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.chip span {
  display: inline-block;
  padding: 0.5rem 0.9375rem;
  border-radius: 999px;
  font-size: 0.875rem;
  box-shadow: inset 0 0 0 1px var(--line);
  background: var(--bg);
  transition: background-color 150ms ease, color 150ms ease, box-shadow 150ms ease, transform 160ms var(--ease-out);
  user-select: none;
}
.chip input:active + span { transform: scale(0.96); }
.chip input:checked + span { background: var(--accent); color: #fff; box-shadow: none; }
.chip input:focus-visible + span { outline: 3px solid color-mix(in srgb, var(--accent) 55%, transparent); outline-offset: 2px; }

.consent { display: grid; grid-template-columns: auto 1fr; gap: 0.625rem; align-items: start; font-size: 0.875rem; color: var(--text-2); }
.consent input { width: 1.125rem; height: 1.125rem; margin: 0.125rem 0 0; accent-color: var(--accent); }

.form__foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; margin-top: 0.25rem; }
.form__foot .btn { min-width: 10rem; }
.form__note { font-size: 0.8125rem; color: var(--text-3); margin: 0; }

.status {
  display: none;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem 1.125rem;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--ok) 12%, transparent);
  color: var(--text);
  font-size: 0.9375rem;
}
.status[data-show="true"] { display: flex; animation: enter 400ms var(--ease-out) both; }
.status svg { width: 1.25rem; height: 1.25rem; flex: none; color: var(--ok); margin-top: 0.125rem; }

/* ---------- Responsivo ---------- */
@media (max-width: 52rem) {
  .grid-3 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; gap: 1.5rem 1rem; }
  .split, .contact { grid-template-columns: 1fr; }
  .showcase__grid { grid-template-columns: 1fr; }
}

@media (max-width: 40rem) {
  .nav__toggle {
    display: grid;
    place-items: center;
    width: 2.75rem;
    height: 2.75rem;
    margin-right: -0.5rem;
    border: 0;
    background: none;
    color: var(--text);
    border-radius: 999px;
    cursor: pointer;
    touch-action: manipulation;
  }
  .nav__toggle:active { background: var(--line); }
  .nav__toggle svg { width: 1.25rem; height: 1.25rem; }
  .nav__toggle line { transition: transform 300ms var(--ease-out), opacity 200ms ease; transform-origin: center; transform-box: fill-box; }
  .nav[data-open="true"] .nav__toggle line:nth-child(1) { transform: translateY(3.5px) rotate(45deg); }
  .nav[data-open="true"] .nav__toggle line:nth-child(2) { transform: translateY(-3.5px) rotate(-45deg); }

  /* Menu: nasce do botão que o abre (transform-origin no canto do botão) e sai pelo mesmo caminho.
     Superfície sólida: nunca empilhar vidro sobre o vidro da barra. */
  .nav__links {
    position: absolute;
    top: calc(var(--nav-h) + 0.25rem);
    right: 0.75rem;
    left: 0.75rem;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem;
    border-radius: var(--radius);
    background: var(--bg-elev);
    box-shadow: var(--shadow-lg), inset 0 0 0 1px var(--line);
    transform-origin: top right;
    transform: scale(0.94);
    opacity: 0;
    visibility: hidden;
    transition: transform 280ms var(--ease-out), opacity 200ms ease, visibility 0s 280ms;
  }
  .nav[data-open="true"] .nav__links {
    transform: none;
    opacity: 1;
    visibility: visible;
    transition: transform 280ms var(--ease-out), opacity 150ms ease, visibility 0s;
  }
  .nav__links a { padding: 0.875rem 1rem; font-size: 1.0625rem; border-radius: 0.75rem; }
  .nav__links .btn { margin-top: 0.375rem; --h: 3rem; font-size: 1rem; }

  .row-2 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .hero__ctas .btn { flex: 1 1 100%; }
  .form__foot .btn { width: 100%; }
}

/* ---------- Acessibilidade: três sinais independentes ---------- */
@media (prefers-reduced-motion: reduce) {
  .enter, .bars span, .status[data-show="true"] { animation: fade 200ms ease both; }
  @keyframes fade { from { opacity: 0; } }
  .card:hover { transform: none; }
  .btn:active, .channel:active, .chip input:active + span { transform: none; }
  .nav__links { transform: none !important; }
  html { scroll-behavior: auto; }
}
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}
@media (prefers-reduced-transparency: reduce) {
  .nav, .showcase { background: var(--bg-elev); -webkit-backdrop-filter: none; backdrop-filter: none; }
}
@media (prefers-contrast: more) {
  :root { --line: rgba(0, 0, 0, 0.35); --text-2: var(--text); --text-3: #3a3a3c; --glass: var(--bg-elev); }
}
@media (prefers-contrast: more) and (prefers-color-scheme: dark) {
  :root { --line: rgba(255, 255, 255, 0.45); --text-3: #d1d1d6; }
}