/* ---------- Estrutura ---------- */
.wrap {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: max(var(--gutter), env(safe-area-inset-left)) max(var(--gutter), env(safe-area-inset-right));
}

.section { padding-block: var(--section-y); scroll-margin-top: 4rem; }
.section-head { display: grid; gap: .5rem; margin-bottom: 2rem; max-width: 40rem; }

.skip {
  position: absolute; left: 1rem; top: -4rem; z-index: 50;
  padding: .75rem 1rem; border-radius: 12px; background: var(--text); color: var(--bg);
}
.skip:focus { top: 1rem; }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  min-height: 3.25rem; padding: .9rem 1.4rem;
  border-radius: var(--radius-button);
  font-weight: 600; font-size: 1rem; letter-spacing: -.01em; line-height: 1.2;
  user-select: none; -webkit-user-select: none;
  transition: transform 100ms ease-out, background-color 200ms ease, box-shadow 200ms ease;
}
.btn:active { transform: scale(.97); }
.btn-wa {
  background: var(--action); color: #fff;
  box-shadow: 0 10px 24px -12px rgba(31, 184, 102, .8), inset 0 1px 0 rgba(255, 255, 255, .18);
}
.btn-icon { width: 1.25rem; height: 1.25rem; flex: none; }
@media (hover: hover) {
  .btn-wa:hover { background: #1BA85C; }
}

.pill {
  display: inline-flex; align-items: center; min-height: 2.25rem; padding: .45rem .95rem;
  border-radius: 999px; background: var(--action); color: #fff;
  font-size: .875rem; font-weight: 600; letter-spacing: -.005em;
  transition: transform 100ms ease-out, background-color 200ms ease;
}
.pill:active { transform: scale(.96); }
@media (hover: hover) { .pill:hover { background: #1BA85C; } }

/* ---------- Barra superior (vidro) ---------- */
.topbar {
  position: sticky; top: 0; z-index: 30;
  padding-top: env(safe-area-inset-top);
  background: var(--glass);
  -webkit-backdrop-filter: var(--glass-filter);
  backdrop-filter: var(--glass-filter);
  box-shadow: 0 1px 0 transparent;
  transition: box-shadow 250ms ease;
}
.topbar[data-scrolled] { box-shadow: 0 1px 0 var(--border); }
.topbar-inner { display: flex; align-items: center; gap: 1rem; height: 3.5rem; }
.brand { display: flex; align-items: center; gap: .55rem; font-weight: 600; font-size: .95rem; letter-spacing: -.015em; margin-right: auto; }
.brand img { width: 30px; height: 30px; }
.topnav { display: none; gap: 1.6rem; font-size: .9rem; color: var(--muted); }
@media (hover: hover) { .topnav a:hover { color: var(--text); } }

/* ---------- Topo ---------- */
.hero { padding-top: clamp(1.75rem, 6vw, 4.5rem); padding-bottom: var(--section-y); }
.hero-grid { display: grid; gap: 2.5rem; }
.hero-copy { display: grid; gap: 1.1rem; align-content: start; }
.eyebrow { font-size: .9rem; font-weight: 500; color: var(--muted); }
.hero .display .muted { display: block; color: var(--muted); }
.hero .lead { max-width: 30rem; }
.hero .btn { justify-self: stretch; margin-top: .4rem; }
.hero-stage { position: relative; display: grid; justify-items: center; gap: 1rem; }
.hero-phone { width: 100%; display: grid; justify-items: center; }
.replay {
  font-size: .875rem; font-weight: 500; color: var(--muted);
  padding: .5rem .9rem; border-radius: 999px; background: var(--chip);
  transition: transform 100ms ease-out, color 200ms ease;
}
.replay:active { transform: scale(.96); }
@media (hover: hover) { .replay:hover { color: var(--text); } }

/* ---------- Projetos ---------- */
.projects { display: grid; gap: 1.25rem; }
.project {
  display: grid; overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
}
.project-media {
  display: flex; justify-content: center; align-items: flex-start; gap: .75rem;
  height: clamp(17rem, 78vw, 21rem);
  padding: 1.5rem 1rem 0;
  background: var(--stage);
  overflow: hidden;
}
.project-media picture { flex: 0 1 46%; max-width: 12.5rem; }
.project-media img, .project-media video {
  width: 100%; height: auto;
  border-radius: 20px 20px 0 0;
  box-shadow: var(--shadow-screen);
  background: var(--surface);
}
.project-media--reel video { width: min(62%, 14rem); border-radius: 22px 22px 0 0; background: #0B0C10; }
.project-body { display: grid; gap: .55rem; padding: 1.25rem 1.25rem 1.4rem; }
.project-body > p:not(.project-kind) { color: var(--muted); font-size: .975rem; text-wrap: pretty; }
.project-kind { display: flex; align-items: center; gap: .5rem; font-size: .8rem; font-weight: 500; color: var(--muted); }
.chip-demo {
  font-size: .72rem; font-weight: 600; letter-spacing: .01em;
  padding: .2rem .55rem; border-radius: 999px;
  background: var(--chip); color: var(--text); border: 1px solid var(--border);
}
.tags { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .2rem; }
.tags li { font-size: .75rem; font-weight: 500; padding: .3rem .65rem; border-radius: 999px; background: var(--chip); color: var(--muted); }
.project-link { display: inline-flex; align-items: center; gap: .3rem; justify-self: start; margin-top: .35rem; font-weight: 600; font-size: .95rem; }
.project-link svg { width: 1rem; height: 1rem; transition: transform 200ms var(--ease-out); }
@media (hover: hover) { .project-link:hover svg { transform: translate(2px, -2px); } }

/* ---------- Serviços ---------- */
.services { display: grid; gap: 1rem; }
.service {
  display: grid; gap: .5rem; align-content: start;
  padding: 1.4rem; border-radius: var(--radius-card);
  background: var(--surface); border: 1px solid var(--border);
}
.service p { color: var(--muted); font-size: .975rem; }
.service-icon { width: 1.75rem; height: 1.75rem; color: var(--action-text); margin-bottom: .4rem; }

/* ---------- Como trabalho ---------- */
.steps { position: relative; display: grid; gap: 1.75rem; counter-reset: none; }
.steps::before {
  content: ""; position: absolute; left: 1.25rem; top: 1.25rem; bottom: 1.25rem; width: 2px;
  margin-left: -1px; background: var(--action); opacity: .35;
  transform-origin: top; transform: scaleY(var(--line, 1));
  transition: transform 900ms var(--ease-out);
}
.step { position: relative; display: grid; grid-template-columns: 2.5rem 1fr; gap: 1rem; align-items: start; align-content: start; }
.step-num {
  display: grid; place-items: center; width: 2.5rem; height: 2.5rem; border-radius: 50%;
  background: var(--surface); border: 1.5px solid var(--action); color: var(--action-text);
  font-weight: 650; font-size: 1rem; font-variant-numeric: tabular-nums;
}
.step h3 { margin-top: .45rem; }
.step p { color: var(--muted); font-size: .975rem; margin-top: .2rem; }

/* ---------- Sobre ---------- */
.about { display: grid; gap: 1.5rem; align-items: start; }
.about .h2 { margin: .5rem 0 1rem; }
.about-mono { width: 5.5rem; height: 5.5rem; }

/* ---------- Contacto ---------- */
.contact { background: var(--surface); border-top: 1px solid var(--border); }
.contact-inner { display: grid; justify-items: center; text-align: center; gap: 1rem; }
.contact .h2 { max-width: 22ch; }
.btn-big { min-height: 4rem; padding: 1rem 1.6rem; margin-top: .75rem; width: min(100%, 26rem); border-radius: 18px; }
.btn-number { font-size: 1.375rem; font-weight: 650; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.btn-tag { font-size: .75rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; opacity: .9; }
.mail { color: var(--muted); font-size: .975rem; word-break: break-word; }
@media (hover: hover) { .mail:hover { color: var(--text); } }

/* ---------- Rodapé ---------- */
.footer { padding-block: 2rem calc(2rem + env(safe-area-inset-bottom)); font-size: .85rem; color: var(--muted); background: var(--surface); }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem 1.5rem; border-top: 1px solid var(--border); padding-top: 1.5rem; }

/* ---------- Barra fixa do WhatsApp (telemóvel) ---------- */
.wa-bar {
  position: fixed; inset: auto 0 0 0; z-index: 40;
  padding: .75rem max(var(--gutter), env(safe-area-inset-left)) calc(.75rem + env(safe-area-inset-bottom));
  background: var(--glass);
  -webkit-backdrop-filter: var(--glass-filter);
  backdrop-filter: var(--glass-filter);
  box-shadow: 0 -1px 0 var(--border);
  transform: translateY(110%);
  transition: transform 400ms var(--ease-out);
}
.wa-bar[data-visible="true"] { transform: translateY(0); }
.wa-bar .btn { width: 100%; }

/* ---------- Entradas com o scroll ---------- */
.js .reveal { opacity: 0; transform: translateY(12px); transition: opacity 600ms var(--ease-out), transform 600ms var(--ease-out); }
.js .reveal.is-in { opacity: 1; transform: none; }
.js .steps.reveal { --line: 0; }
.js .steps.reveal.is-in { --line: 1; }
.reduced .reveal { transform: none !important; }
.reduced .steps::before { transition: none; }
@media (prefers-reduced-motion: reduce) {
  .js .reveal { transform: none; transition: opacity 400ms ease; }
  .steps::before { transition: none; }
  .js .steps.reveal { --line: 1; }
  .wa-bar { transition: opacity 250ms ease; transform: none; opacity: 0; pointer-events: none; }
  .wa-bar[data-visible="true"] { opacity: 1; pointer-events: auto; }
}

/* ---------- Ecrãs largos ---------- */
@media (min-width: 640px) {
  .services { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 900px) {
  :root { --gutter: 2rem; }
  .topnav { display: flex; }
  .topbar-inner { height: 4rem; }
  .hero-grid { grid-template-columns: 1.1fr .9fr; align-items: center; gap: 3rem; }
  .hero .btn { justify-self: start; }
  .projects { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
  .project-media { height: 22rem; }
  .services { grid-template-columns: repeat(4, 1fr); }
  .steps { grid-template-columns: repeat(4, 1fr); gap: 2rem; }
  .steps::before {
    /* do centro do 1.º círculo ao centro do 4.º: a última coluna mede 25% - 3/4 de 2rem de espaço */
    left: 1.25rem; right: calc(25% - 2.75rem); top: 1.25rem; bottom: auto; width: auto; height: 2px;
    margin: -1px 0 0; transform-origin: left; transform: scaleX(var(--line, 1));
  }
  .step { grid-template-columns: 1fr; gap: .75rem; }
  .step h3 { margin-top: .25rem; }
  .about { grid-template-columns: auto 1fr; gap: 2.5rem; max-width: 52rem; }
  .about-mono { width: 7rem; height: 7rem; }
  .wa-bar { display: none; }
}

/* iOS em poupança de energia recusa o autoplay: fica a capa, sem o botão de play nativo por cima. */
video::-webkit-media-controls-start-playback-button { display: none !important; -webkit-appearance: none; }
video::-webkit-media-controls { display: none !important; }