/* ==========================================================================
   Portfólio — Dorivaldo Filho
   HTML/CSS/JS puro. Sem build, sem framework.
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  --bg:        #ffffff;
  --bg-alt:    #f5f4f2;
  --dark:      #0f0f10;
  --dark-2:    #1a1a1d;

  --ink:       #101012;
  --ink-2:     #56565e;
  --ink-3:     #8a8a93;
  --on-dark:   #f7f7f5;
  --on-dark-2: #a3a3ac;

  --line:      #e6e5e2;
  --line-dark: #2a2a2f;

  /* Acento da marca — gradiente roxo → rosa → laranja */
  --g1: #8b5cf6;
  --g2: #ec4899;
  --g3: #f97316;
  --grad: linear-gradient(90deg, var(--g1), var(--g2), var(--g3));

  /* Rampa sequencial do medidor (monotónica em luminosidade) */
  --band-1: #d9c2f5;
  --band-2: #9b62e6;
  --band-3: #5e2bb8;

  --radius:    4px;
  --radius-lg: 14px;

  --font-display: 'Poppins', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-body:    'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --wrap: 1280px;
  --gut:  clamp(20px, 5vw, 48px);
  --sec:  clamp(72px, 10vw, 140px);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; }
button { font: inherit; cursor: pointer; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; letter-spacing: -0.03em; line-height: 1.06; margin: 0; }
p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ---------- Layout ---------- */
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gut); }
.section { padding-block: var(--sec); }
.section--alt { background: var(--bg-alt); }
.section--dark { background: var(--dark); color: var(--on-dark); }
.section--dark h2, .section--dark h3 { color: var(--on-dark); }
.section--dark p { color: var(--on-dark-2); }

/* ---------- Tipografia ---------- */
.eyebrow {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .22em;
  text-transform: uppercase;
  margin: 0 0 18px;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.h1 { font-size: clamp(34px, 4.6vw, 53px); }
.h2 { font-size: clamp(28px, 3.6vw, 44px); }
.h3 { font-size: clamp(20px, 2.2vw, 26px); letter-spacing: -0.02em; }
.lead { font-size: clamp(16.5px, 1.35vw, 18.5px); color: var(--ink-2); }
.section--dark .lead { color: var(--on-dark-2); }
.measure { max-width: 62ch; }

/* ---------- Botões ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 28px;
  border: 0;
  border-radius: var(--radius);
  background: var(--ink);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
  text-decoration: none;
  transition: transform .18s ease;
}
.btn::after {
  content: "";
  position: absolute;
  inset: 8px -6px -6px 8px;
  border-radius: var(--radius);
  background: var(--grad);
  z-index: -1;
  transition: inset .18s ease;
}
.btn:hover { transform: translate(-2px, -2px); }
.btn:hover::after { inset: 10px -8px -8px 10px; }
.btn--ghost {
  background: transparent;
  color: var(--ink);
  padding-inline: 4px;
  text-decoration: none;
}
.btn--ghost::after { display: none; }
.btn--ghost:hover { transform: none; opacity: .62; }
.btn--light { background: #fff; color: var(--ink); }
.btn-row { display: flex; flex-wrap: wrap; align-items: center; gap: 22px; margin-top: 36px; }

/* CTA de fim de secção */
.cta-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 56px;
  padding-top: 34px;
  border-top: 1px solid var(--line);
}
.section--dark .cta-strip { border-top-color: var(--line-dark); }
.cta-strip p { margin: 0; font-family: var(--font-display); font-weight: 600; font-size: clamp(18px, 2vw, 22px); letter-spacing: -0.02em; }

/* ---------- Header ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.86);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease;
}
.header.is-stuck { border-bottom-color: var(--line); }
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 76px; }
.brand { font-family: var(--font-display); font-weight: 700; font-size: 19px; letter-spacing: -0.03em; text-decoration: none; }
.brand span { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nav { display: flex; align-items: center; gap: 30px; }
.nav a { font-size: 15px; font-weight: 500; text-decoration: none; color: var(--ink-2); transition: color .15s ease; }
.nav a:hover { color: var(--ink); }
.nav .btn { padding: 11px 20px; font-size: 14px; }
.burger { display: none; background: none; border: 0; padding: 8px; }
.burger span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 4px 0; }

@media (max-width: 900px) {
  .nav {
    position: fixed;
    inset: 76px 0 auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px var(--gut) 26px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    transform: translateY(-130%);
    transition: transform .28s ease;
  }
  .nav.is-open { transform: translateY(0); }
  .nav a { padding: 13px 0; border-bottom: 1px solid var(--line); }
  .nav .btn { margin-top: 16px; justify-content: center; }
  .burger { display: block; }
}

/* ---------- Hero ----------
   O bloco recolhe das margens e abre por dentro: mais respiro em volta
   e uma goteira maior entre o texto e o retrato. */
.hero { padding-block: clamp(64px, 9vw, 120px) clamp(56px, 8vw, 104px); }
.hero__grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 15%; align-items: center; }
.hero .h1 { margin-bottom: 26px; }
.hero .lead { max-width: 54ch; }
/* Sem caixa, sem moldura: o recorte assenta direto no fundo.
   O esbatimento dos ombros ja vem no canal alfa do ficheiro, por isso
   funciona sobre qualquer cor — nao depende do fundo ser branco. */
.portrait { display: block; }
.portrait img {
  width: 100%;
  height: auto;
  display: block;
}
@media (max-width: 860px) {
  .hero__grid { grid-template-columns: 1fr; gap: 40px; }
  /* O titulo vem primeiro; a fotografia entra a seguir aos CTAs. */
  .portrait { max-width: 380px; margin-inline: auto; }
}

/* ---------- Blocos alternados texto/imagem ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5.5vw, 80px); align-items: center; }
.split--flip .split__media { order: 2; }
.split__media {
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-lg);
  background: var(--bg-alt);
  border: 1px dashed var(--line);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 28px;
  color: var(--ink-3);
  font-size: 14px;
}
.section--alt .split__media { background: #fff; }
/* Quando o media e uma imagem a serio, cai o marcador tracejado. */
.split__media--foto { padding: 0; border: 1px solid var(--line); overflow: hidden; display: block; }
.split__media--foto img { width: 100%; height: 100%; object-fit: cover; display: block; }
/* ---------- Página de produto (sistemas.html) ----------
   O painel vai a largura total: a 500px o texto dentro do mockup ficava a 6px. */
.product__head { max-width: 60ch; }
.product__head .h2 { margin: 16px 0 18px; }
.product__shot { margin: clamp(30px, 4vw, 52px) 0 0; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; background: var(--dark); }
.product__shot img { width: 100%; display: block; }
.product__text { columns: 2; column-gap: clamp(28px, 4vw, 60px); margin-top: clamp(28px, 3.5vw, 44px); }
.product__text p { break-inside: avoid; }
@media (max-width: 780px) { .product__text { columns: 1; } }
@media (max-width: 860px) {
  .split { grid-template-columns: 1fr; }
  .split--flip .split__media { order: 0; }
}

/* ---------- Resultados ---------- */
.result__head { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(28px, 5vw, 64px); align-items: end; }
@media (max-width: 860px) { .result__head { grid-template-columns: 1fr; align-items: start; } }

.hero-figure {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(72px, 13vw, 148px);
  line-height: .88;
  letter-spacing: -0.05em;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-figure__note { font-size: 15px; color: var(--ink-2); margin-top: 14px; max-width: 34ch; }

/* Medidor de patamares */
.meter { margin-top: clamp(44px, 6vw, 72px); padding-top: 56px; } /* espaco para a bandeira do marcador nao bater no texto acima */
.meter__track {
  position: relative;
  height: 56px;
  border-radius: 6px;
  background: #ecebe8;
  overflow: visible;
}
.meter__band { position: absolute; top: 0; bottom: 0; }
.meter__band::after { content: ""; position: absolute; inset: 0 1px; border-radius: 3px; background: inherit; }
.meter__band--1 { background: var(--band-1); }
.meter__band--2 { background: var(--band-2); }
.meter__band--3 { background: var(--band-3); }
.meter__marker { position: absolute; top: -14px; bottom: -14px; width: 4px; background: var(--ink); border-radius: 2px; box-shadow: 0 0 0 2px var(--bg); }
.meter__flag {
  position: absolute;
  bottom: calc(100% + 22px);
  transform: translateX(-50%);
  white-space: nowrap;
  background: var(--ink);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  padding: 8px 14px;
  border-radius: var(--radius);
}
.meter__flag::after {
  content: "";
  position: absolute;
  top: 100%; left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--ink);
}
.meter__scale { position: relative; height: 44px; margin-top: 12px; }
.meter__label { position: absolute; transform: translateX(-50%); text-align: center; font-size: 13px; line-height: 1.35; color: var(--ink-2); }
.meter__label b { display: block; font-family: var(--font-display); font-size: 14px; color: var(--ink); font-weight: 600; }
@media (max-width: 720px) {
  .meter__track { height: 44px; }
  .meter__label { font-size: 11px; }
  .meter__label b { font-size: 12px; }
  /* Centrada no marcador, a etiqueta saía fora do ecrã (o marcador está a 85%).
     Em ecrã pequeno encosta-se à esquerda do marcador e a seta muda de lado. */
  .meter__flag { left: auto; right: -2px; transform: none; font-size: 12.5px; padding: 6px 10px; }
  .meter__flag::after { left: auto; right: 10px; transform: none; }
}

.source-note {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(19px, 2.3vw, 27px);
  line-height: 1.4;
  letter-spacing: -0.02em;
  max-width: 30ch;
  margin: 0;
}
.evidence { margin-top: clamp(40px, 5vw, 64px); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; background: #fff; }
.evidence img { width: 100%; height: auto; }

.evidence figcaption { padding: 14px 20px; font-size: 13.5px; color: var(--ink-2); border-top: 1px solid var(--line); }

/* ---------- Linha de serviços da secção Trabalho ---------- */
.servicos {
  margin: 22px 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(15px, 1.5vw, 18px);
  letter-spacing: -0.01em;
  color: var(--ink);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
/* Sublinhado com o gradiente da marca, afastado da linha de base para não
   cortar as descidas do "g" e do "ç". */
.servicos__item {
  background-image: var(--grad);
  background-repeat: no-repeat;
  background-size: 100% 2px;
  background-position: 0 100%;
  padding-bottom: 3px;
}
.servicos__barra { color: var(--ink-3); font-weight: 500; }

/* ---------- Cartões (sites / sistemas) ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin-top: clamp(40px, 5vw, 60px); }
.cards--2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 980px) { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .cards { grid-template-columns: 1fr; } }

.card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg);
  text-decoration: none;
  transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 18px 40px -22px rgba(0,0,0,.32); }
.card__media { aspect-ratio: 16 / 10; background: var(--bg-alt) center/cover no-repeat; display: grid; place-items: center; color: var(--ink-3); font-size: 13px; text-align: center; padding: 18px; }
.card__body { padding: 22px 24px 26px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.card__tag { font-size: 11px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-3); }
.card__title { font-family: var(--font-display); font-weight: 600; font-size: 19px; letter-spacing: -0.02em; }
.card__text { font-size: 14.5px; line-height: 1.6; color: var(--ink-2); margin: 0; }
.card__link { margin-top: auto; padding-top: 12px; font-size: 14px; font-weight: 600; font-family: var(--font-display); }

.badge { display: inline-flex; align-self: flex-start; align-items: center; gap: 6px; font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; padding: 4px 9px; border-radius: 999px; }
.badge--live { background: #e7f6ec; color: #17663a; }
.badge--dev  { background: #fdf1e3; color: #8a4d10; }
.badge--beta { background: rgba(255,255,255,.1); color: #fff; border: 1px solid rgba(255,255,255,.24); }

.section--dark .card { background: var(--dark-2); border-color: var(--line-dark); }
.section--dark .card__media { background: #232328; color: #6f6f79; }
.section--dark .card__title { color: var(--on-dark); }
.section--dark .card__text { color: var(--on-dark-2); }
.section--dark .card__tag { color: #6f6f79; }

.notice { display: inline-block; margin-top: 18px; font-size: 14px; color: var(--on-dark-2); border-left: 2px solid var(--g2); padding-left: 14px; }

/* ---------- Acordeão de serviços ---------- */
.accordion { margin-top: clamp(36px, 5vw, 56px); border-top: 1px solid var(--line); }
.acc__item { border-bottom: 1px solid var(--line); }
.acc__btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 26px 0;
  background: none;
  border: 0;
  text-align: left;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 2.4vw, 27px);
  letter-spacing: -0.02em;
  color: var(--ink);
}
.acc__icon { position: relative; flex: 0 0 22px; height: 22px; }
.acc__icon::before, .acc__icon::after { content: ""; position: absolute; inset: 50% 0 auto; height: 2px; background: var(--ink); transform: translateY(-50%); transition: transform .25s ease; }
.acc__icon::after { transform: translateY(-50%) rotate(90deg); }
.acc__btn[aria-expanded="true"] .acc__icon::after { transform: translateY(-50%) rotate(0deg); }
.acc__panel { overflow: hidden; height: 0; transition: height .3s ease; }
.acc__panel > div { padding: 0 0 28px; max-width: 68ch; color: var(--ink-2); font-size: 16px; }
/* O termo tecnico fica visivel para quem o procura, sem estorvar quem nao o conhece. */
.acc__nota { display: block; margin-top: 14px; font-size: 14px; font-weight: 600;
             color: var(--ink); letter-spacing: -0.01em; }

/* ---------- Stack ---------- */
.stack { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; margin-top: clamp(36px, 5vw, 56px); }
.stack__item { background: var(--bg); padding: 30px 22px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; text-align: center; min-height: 148px; }
.section--alt .stack__item { background: var(--bg-alt); }
.stack__item svg { height: 34px; width: auto; }
.stack__name { font-family: var(--font-display); font-weight: 600; font-size: 14.5px; letter-spacing: -0.01em; }
.stack__sub { font-size: 12px; color: var(--ink-3); margin-top: -8px; }
@media (max-width: 860px) { .stack { grid-template-columns: repeat(2, 1fr); } }

/* ---------- FAQ ---------- */
.faq { display: grid; grid-template-columns: 1fr 1fr; gap: 0 clamp(32px, 5vw, 64px); margin-top: clamp(36px, 5vw, 56px); }
@media (max-width: 860px) { .faq { grid-template-columns: 1fr; } }
.faq .acc__btn { font-size: clamp(16px, 1.7vw, 18.5px); font-weight: 600; padding: 22px 0; }
.faq .acc__panel > div { font-size: 15.5px; padding-bottom: 24px; }
.faq .accordion { border-top: 1px solid var(--line); }

/* ---------- Formulário ---------- */
.contact { background: var(--dark); color: var(--on-dark); border-radius: clamp(16px, 3vw, 28px); padding: clamp(38px, 6vw, 76px); }
.contact h2 { color: var(--on-dark); }
.contact .lead { color: var(--on-dark-2); max-width: 52ch; }
.form { margin-top: 34px; display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: 13.5px; font-weight: 500; color: var(--on-dark-2); }
.field input, .field textarea, .field select {
  font: inherit;
  font-size: 16px;
  color: var(--on-dark);
  background: #17171a;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  padding: 14px 16px;
  width: 100%;
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus { outline: 2px solid var(--g2); outline-offset: 1px; }
.form .btn { grid-column: 1 / -1; justify-content: center; background: #fff; color: var(--ink); }
.form-note { grid-column: 1 / -1; font-size: 13.5px; color: var(--on-dark-2); margin: 0; }
@media (max-width: 700px) { .form { grid-template-columns: 1fr; } }

/* ---------- Modal ---------- */
.modal[hidden] { display: none !important; }
.modal { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 20px; }
.modal__scrim { position: absolute; inset: 0; background: rgba(10,10,12,.62); backdrop-filter: blur(3px); }
.modal__panel {
  position: relative;
  width: min(520px, 100%);
  max-height: 90vh;
  overflow-y: auto;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: clamp(26px, 4vw, 40px);
}
.modal__panel .form { margin-top: 24px; grid-template-columns: 1fr; }
.modal__panel .field label { color: var(--ink-2); }
.modal__panel .field input, .modal__panel .field textarea { background: var(--bg-alt); border-color: var(--line); color: var(--ink); }
.modal__panel .form .btn { background: var(--ink); color: #fff; }
.modal__close { position: absolute; top: 14px; right: 14px; width: 36px; height: 36px; border: 0; border-radius: 50%; background: var(--bg-alt); font-size: 18px; line-height: 1; color: var(--ink-2); }

/* ---------- Rodapé ---------- */
.footer { background: var(--dark); color: var(--on-dark); padding-block: clamp(56px, 7vw, 88px) 0; overflow: hidden; }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.footer h3 { font-size: 22px; margin-bottom: 12px; }
.footer p, .footer a { color: var(--on-dark-2); font-size: 15px; text-decoration: none; }
.footer a:hover { color: var(--on-dark); }
.footer__col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer__col h4 { font-family: var(--font-display); font-size: 13px; letter-spacing: .14em; text-transform: uppercase; color: var(--on-dark); margin: 0 0 16px; font-weight: 600; }
.footer__legal { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-top: 54px; padding-top: 22px; border-top: 1px solid var(--line-dark); font-size: 13.5px; color: var(--on-dark-2); }
/* Tem de caber "DORIVALDO FILHO" (15 caracteres) sem cortar nem provocar
   scroll horizontal — daí o vw calibrado em vez de um clamp largo. */
.wordmark { font-family: var(--font-display); font-weight: 700; font-size: min(10.6vw, 200px); line-height: .82; letter-spacing: -0.045em; text-align: center; color: #fff; margin: clamp(28px, 5vw, 56px) 0 -0.13em; white-space: nowrap; }
@media (max-width: 800px) { .footer__grid { grid-template-columns: 1fr; gap: 34px; } }

/* ---------- Revelação ao scroll ----------
   Só esconde se o JS estiver vivo (a classe .js é posta no <html> inline).
   Se o JS falhar, o conteúdo aparece na mesma — lição do site da Especial Wash. */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .js .reveal { opacity: 1; transform: none; } }