/* ==========================================================================
   Artificial Music — styles
   Direção visual: referências em P&B (editorial, grotesca extra-larga,
   microtextos monoespaçados, rótulos entre colchetes, hairlines).
   ========================================================================== */

:root {
  --paper: #e6e7e9;
  --paper-2: #cbcbcd;
  --white: #fafafa;
  --ink: #101010;
  --muted: #55555a;
  --dark: #1d1d1f;
  --line: rgba(16, 16, 16, 0.28);
  --line-strong: #101010;

  --pad: clamp(16px, 2.4vw, 36px);
  --header-h: 64px;

  --f-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --f-body: "Inter Tight", "Helvetica Neue", Arial, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, p, ul, figure { margin: 0; padding: 0; }
ul { list-style: none; }
a { color: inherit; text-decoration: none; }
svg { display: block; }

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}
.footer :focus-visible { outline-color: var(--white); }

.sr-only {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip {
  position: absolute; left: var(--pad); top: -60px; z-index: 100;
  background: var(--ink); color: var(--paper); padding: 10px 14px;
  font: 500 12px/1 var(--f-mono);
}
.skip:focus { top: 8px; }

/* ---------- Type primitives ---------- */
.mono {
  font-family: var(--f-mono);
  font-size: 11px;
  line-height: 1.45;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.label { color: var(--ink); }

.display {
  font-family: var(--f-display);
  font-weight: 800;
  font-stretch: 125%;
  text-transform: uppercase;
  letter-spacing: -0.03em;
  line-height: 0.92;
}
.h2 { font-size: clamp(2rem, 5.2vw, 5.2rem); }

.lead {
  font-size: clamp(1.05rem, 1.35vw, 1.3rem);
  line-height: 1.4;
  max-width: 38ch;
}

/* ---------- Buttons ---------- */
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 14px;
  min-height: 46px; padding: 0 20px;
  border: 1px solid var(--ink);
  font: 500 12px/1 var(--f-mono);
  letter-spacing: 0.02em; text-transform: uppercase;
  cursor: pointer;
  transition: background-color 0.18s, color 0.18s;
}
.btn svg { width: 14px; height: 14px; }
.btn--solid { background: var(--ink); color: var(--paper); }
.btn--solid:hover { background: transparent; color: var(--ink); }
.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--paper); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--paper);
  border-bottom: 1px solid var(--line-strong);
}
.bar {
  position: relative;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  height: var(--header-h); padding: 0 var(--pad);
}
.brand { display: inline-flex; align-items: center; justify-self: start; }
.brand__logo { display: block; height: 44px; width: auto; }

.nav { display: flex; gap: clamp(18px, 3vw, 44px); }
.nav a { padding: 6px 0; border-bottom: 1px solid transparent; transition: border-color 0.15s; }
.nav a:hover { border-bottom-color: var(--ink); }

.tools { display: flex; align-items: center; gap: 16px; justify-self: end; }
.icon-link { display: inline-flex; width: 20px; height: 20px; }
.icon-link svg { width: 100%; height: 100%; }
.icon-link:hover { opacity: 0.6; }

.lang select {
  appearance: none; -webkit-appearance: none;
  background: transparent; color: var(--ink);
  border: 0; border-bottom: 1px solid var(--ink); border-radius: 0;
  padding: 4px 18px 4px 0;
  font: 500 11px/1.4 var(--f-mono); text-transform: uppercase; letter-spacing: 0.02em;
  cursor: pointer;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink) 50%), linear-gradient(135deg, var(--ink) 50%, transparent 50%);
  background-position: calc(100% - 7px) 55%, calc(100% - 3px) 55%;
  background-size: 4px 4px, 4px 4px;
  background-repeat: no-repeat;
}

.menu-toggle {
  display: none;
  background: transparent; border: 1px solid var(--ink); color: var(--ink);
  padding: 8px 12px; font: 500 11px/1 var(--f-mono); text-transform: uppercase; cursor: pointer;
}

/* ---------- Hero ---------- */
.hero {
  position: relative; isolation: isolate; overflow: hidden;
  display: flex; flex-direction: column; justify-content: space-between; gap: clamp(40px, 6vw, 96px);
  min-height: calc(100vh - var(--header-h));
  min-height: calc(100svh - var(--header-h));
  padding: clamp(40px, 7vw, 110px) var(--pad) clamp(40px, 5vw, 72px);
}

/* Superfície de pontos (hero-wave.js). Fica atrás do conteúdo e não captura cliques nem seleção. */
.hero__canvas {
  position: absolute; inset: 0; z-index: -1;
  width: 100%; height: 100%; display: block;
  pointer-events: none;
}

.hero__title {
  font-size: clamp(2.2rem, 7.2vw, 8.6rem);
  max-width: 14ch;
}

.hero__grid {
  display: grid; grid-template-columns: repeat(12, 1fr);
  column-gap: var(--pad); row-gap: 24px;
  align-items: start;
}
.hero__label { grid-column: 1 / 3; }
.hero__copy { grid-column: 3 / 8; }

/* ---------- Sections ---------- */
.section { padding: clamp(56px, 8vw, 120px) var(--pad); border-top: 1px solid var(--line-strong); }

.section__head {
  display: grid; grid-template-columns: repeat(12, 1fr); column-gap: var(--pad);
  align-items: start; margin-bottom: clamp(32px, 5vw, 72px);
}
.section__head .label { grid-column: 1 / 3; padding-top: 0.4em; }
.section__head .h2 { grid-column: 3 / 13; }

/* Áreas */
.areas {
  display: grid; grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line); border-left: 1px solid var(--line);
}
.area {
  position: relative;
  display: grid; grid-template-rows: auto 1fr auto; row-gap: 20px;
  min-height: clamp(210px, 22vw, 320px);
  padding: 18px 20px 22px;
  border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
  transition: background-color 0.2s, color 0.2s;
}
.area__icon { width: clamp(48px, 5vw, 68px); height: clamp(48px, 5vw, 68px); align-self: center; justify-self: start; }
.area h3 { font-weight: 500; font-size: clamp(1.1rem, 1.6vw, 1.5rem); line-height: 1.15; letter-spacing: -0.01em; max-width: 18ch; }
.area:hover { background: var(--ink); color: var(--paper); }

/* Projeto em destaque */
.feature { background: var(--paper-2); border-top: 1px solid var(--line-strong); }
.feature__inner { padding: clamp(40px, 6vw, 96px) var(--pad); }
.feature__head {
  display: flex; justify-content: space-between; align-items: baseline;
  padding-bottom: 12px; border-bottom: 1px solid var(--line-strong);
  margin-bottom: clamp(32px, 5vw, 72px);
}
.feature__grid {
  display: grid; grid-template-columns: repeat(12, 1fr);
  column-gap: var(--pad); row-gap: 40px; align-items: end;
}
.feature__main { grid-column: 1 / 8; }
.feature__title { font-size: clamp(3.2rem, 12vw, 12rem); margin-bottom: clamp(20px, 3vw, 40px); }
.feature__main .lead { max-width: 44ch; }

.why { grid-column: 9 / 13; background: var(--white); padding: 24px; }
.why h3 { font-weight: 600; font-size: 1.1rem; letter-spacing: -0.01em; margin-bottom: 18px; }
.why li, .stack li {
  display: grid; grid-template-columns: 52px 1fr; column-gap: 8px; align-items: baseline;
  padding: 12px 0; border-top: 1px solid var(--line);
}
.why li .mono, .stack li .mono { color: var(--muted); }

/* Pesquisa */
.research__grid {
  display: grid; grid-template-columns: repeat(12, 1fr);
  column-gap: var(--pad); row-gap: 40px; align-items: start;
}
.research__text { grid-column: 3 / 8; font-size: clamp(1.15rem, 1.8vw, 1.7rem); max-width: 30ch; }
.stack { grid-column: 9 / 13; }
.stack h3 { padding-bottom: 12px; border-bottom: 1px solid var(--line-strong); }
.stack li { grid-template-columns: 52px 1fr; }
.stack li:first-of-type { border-top: 0; }

/* Newsletter */
.news { background: var(--white); border-top: 1px solid var(--line-strong); }
.news__inner {
  display: grid; grid-template-columns: repeat(12, 1fr);
  column-gap: var(--pad); row-gap: 24px;
  padding: clamp(56px, 8vw, 120px) var(--pad);
}
.news__inner .label { grid-column: 1 / 3; padding-top: 0.4em; }
.news__body { grid-column: 3 / 13; display: grid; row-gap: 28px; }
.news__body .lead { max-width: 52ch; }

.form { display: flex; flex-wrap: wrap; gap: 12px; align-items: stretch; max-width: 640px; }
.form input {
  flex: 1 1 260px; min-height: 46px;
  background: transparent; color: var(--ink);
  border: 0; border-bottom: 1px solid var(--ink); border-radius: 0;
  padding: 0 2px; font: 400 1.1rem var(--f-body);
}
.form input::placeholder { color: var(--muted); }
.form input:focus-visible { outline: 0; border-bottom-width: 3px; }
.form input[aria-invalid="true"] { border-bottom-width: 3px; }
.form__msg { flex-basis: 100%; min-height: 1.5em; color: var(--ink); }

/* ---------- Footer ---------- */
.footer { background: var(--dark); color: var(--paper); padding: 28px var(--pad) 18px; }
.footer__top {
  display: grid; grid-template-columns: repeat(12, 1fr); column-gap: var(--pad); row-gap: 24px;
  align-items: start;
}
.footer__brand { grid-column: 1 / 5; }
.footer__nav { grid-column: 5 / 8; display: flex; flex-direction: column; gap: 8px; }
.footer__social { grid-column: 8 / 10; display: flex; flex-direction: column; align-items: flex-start; gap: 12px; line-height: 18px; }
.footer__contact { grid-column: 10 / 13; text-align: right; }
.footer__logo { display: block; height: clamp(44px, 4.4vw, 64px); width: auto; }
.footer__nav a:hover, .footer__contact a:hover { text-decoration: underline; text-underline-offset: 3px; }
.footer .icon-link { width: 18px; height: 18px; }

.footer__legal { margin-top: clamp(72px, 12.2vw, 170px); color: rgba(230, 231, 233, 0.6); padding-top: 14px; border-top: 1px solid rgba(230, 231, 233, 0.25); }

/* ---------- Página Sobre ---------- */
.nav a[aria-current="page"] { border-bottom-color: var(--ink); }

.page-head { padding: clamp(40px, 7vw, 110px) var(--pad) clamp(40px, 6vw, 90px); }
.page-head .label { margin-bottom: clamp(12px, 2vw, 24px); }
.page-head__title { font-size: clamp(4.5rem, 19vw, 21rem); line-height: 0.85; }

.about__grid {
  display: grid; grid-template-columns: repeat(12, 1fr); column-gap: var(--pad); row-gap: 16px;
}
.about__grid .label { grid-column: 1 / 3; padding-top: 0.5em; }
.about__body { grid-column: 3 / 12; }
.about__text { font-size: clamp(1.25rem, 2vw, 1.9rem); line-height: 1.3; letter-spacing: -0.01em; max-width: 44ch; }

.member {
  display: grid; grid-template-columns: repeat(12, 1fr); column-gap: var(--pad); row-gap: 16px;
  padding: clamp(24px, 3vw, 40px) 0;
  border-top: 1px solid var(--line-strong);
}
.member:last-child { border-bottom: 1px solid var(--line-strong); }
.member__idx { grid-column: 1 / 2; color: var(--muted); }
/* o corpo ocupa as colunas 2–12 com a mesma grade: foto em 2–4, texto a partir da 5 */
.member__body { grid-column: 2 / 13; display: grid; grid-template-columns: repeat(11, minmax(0, 1fr)); column-gap: var(--pad); align-items: start; }
.member__photo {
  grid-column: 1 / 4;
  display: block; width: 100%; height: auto; aspect-ratio: 1; object-fit: cover;
  filter: grayscale(1) contrast(1.05);
}
.member__text { grid-column: 4 / 12; }
.member__name {
  display: flex; align-items: center; flex-wrap: wrap; gap: 6px 14px;
  font-weight: 700; font-size: clamp(1.7rem, 2.8vw, 2.6rem); letter-spacing: -0.035em; line-height: 1.05;
}
.member__site { text-decoration: underline; text-underline-offset: 3px; color: var(--muted); font-weight: 400; }
.member__site:hover { color: var(--ink); }
.member__role { margin: 14px 0 22px; }
.member__bio { max-width: 62ch; font-size: 1.05rem; line-height: 1.55; }
.member__links { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-top: 18px; }
.member__links a { text-decoration: underline; text-underline-offset: 3px; }
.member__links a:hover { background: var(--ink); color: var(--paper); text-decoration: none; }

/* ---------- Página Projetos ---------- */
.page-head__title--long { font-size: clamp(3rem, 12.6vw, 15rem); }
.page-head__lead { margin-top: clamp(24px, 3.5vw, 48px); max-width: 52ch; }

.projects-wrap { padding: 0 var(--pad) clamp(56px, 8vw, 120px); }
.projects {
  display: grid; grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-strong); border-left: 1px solid var(--line);
}
.proj {
  display: grid; grid-template-rows: auto auto 1fr auto; row-gap: 18px;
  min-height: clamp(280px, 25vw, 380px);
  padding: 18px 20px 22px;
  border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
  transition: background-color 0.2s, color 0.2s;
}
.proj__top { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.proj__idx { color: var(--muted); transition: color 0.2s; }
.tag { display: inline-block; padding: 4px 8px; border: 1px solid currentColor; white-space: nowrap; }
.tag--solid { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.proj__title { font-weight: 700; font-size: clamp(1.5rem, 2.2vw, 2.1rem); line-height: 1.05; letter-spacing: -0.035em; margin-top: clamp(8px, 2vw, 28px); max-width: 14ch; }
.proj__text { font-size: 1rem; line-height: 1.5; max-width: 38ch; }
.proj__cta { justify-self: start; align-self: end; text-decoration: underline; text-underline-offset: 3px; }
.proj:hover, .proj:focus-within { background: var(--ink); color: var(--paper); }
.proj:hover .proj__idx, .proj:focus-within .proj__idx { color: rgba(230, 231, 233, 0.6); }
.proj:hover .tag--solid, .proj:focus-within .tag--solid { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.proj:focus-within :focus-visible { outline-color: var(--paper); }


/* ---------- Página Sonifya ---------- */
.sx-hero { padding: clamp(40px, 7vw, 110px) var(--pad) clamp(40px, 6vw, 90px); }
.sx-hero .label { margin-bottom: clamp(12px, 2vw, 24px); }
.sx-hero__title { font-size: clamp(3.4rem, 17.5vw, 20rem); line-height: 0.85; }
.sx-hero__grid {
  display: grid; grid-template-columns: repeat(12, 1fr); column-gap: var(--pad); row-gap: 28px;
  margin-top: clamp(32px, 5vw, 72px); align-items: end;
}
.sx-hero__grid > .lead { grid-column: 1 / 7; max-width: 30ch; font-size: clamp(1.25rem, 2vw, 1.9rem); line-height: 1.25; letter-spacing: -0.01em; }
.sx-hero__grid > div { grid-column: 8 / 13; }
.sx-hero__note { margin-top: 20px; color: var(--muted); }
.sx-hero .actions { margin-top: 0; }

.sx-grid { display: grid; grid-template-columns: repeat(12, 1fr); column-gap: var(--pad); row-gap: 40px; align-items: start; }
.sx-col { grid-column: 3 / 8; }
.sx-col .lead { max-width: 32ch; }
.sx-how { grid-column: 9 / 13; }
.sx-emojis { display: flex; flex-wrap: wrap; gap: 8px 22px; margin: 28px 0 32px; font-size: clamp(1.8rem, 2.6vw, 2.4rem); line-height: 1; }
.sx-emoji { display: inline-block; transition: transform 0.2s; }
.sx-emoji:hover { transform: translateY(-4px) scale(1.12); }

.xlist li {
  display: grid; grid-template-columns: 52px 1fr; column-gap: 8px; align-items: baseline;
  padding: 12px 0; border-top: 1px solid var(--line);
}
.xlist li:last-child { border-bottom: 1px solid var(--line); }
.xlist li .mono { color: var(--muted); }
.sx-how .xlist li:last-child { border-bottom: 0; }
.xlist { list-style: none; }

.sx-pro { background: var(--paper-2); }
.sx-pro .sx-col { grid-column: 3 / 8; }
.sx-pro__list { grid-column: 9 / 13; }
.sx-quote { margin-top: 32px; font-weight: 600; font-size: clamp(1.15rem, 1.7vw, 1.6rem); letter-spacing: -0.02em; line-height: 1.2; }
.sx-disc { grid-column: 3 / 10; font-size: 0.85rem; line-height: 1.5; color: var(--muted); padding-top: 16px; border-top: 1px solid var(--line); }
.sx-end .news__body { row-gap: 24px; }


/* ---------- Página Contato ---------- */
.ct-note { margin-top: 12px; color: var(--muted); }
.ct { padding-top: clamp(40px, 6vw, 90px); }
.ct__grid { display: grid; grid-template-columns: repeat(12, 1fr); column-gap: var(--pad); row-gap: 32px; align-items: start; }
.ct__label { grid-column: 1 / 3; padding-top: 0.4em; }
.cform { grid-column: 3 / 9; display: grid; row-gap: 14px; }
.ct__side { grid-column: 10 / 13; display: grid; row-gap: 0; }
.ct__social { display: flex; flex-wrap: wrap; gap: 0 12px; }
.ct__side a:hover { background: var(--ink); color: var(--paper); }

/* campos em caixa: fundo claro, borda fina, cantos quase retos */
.field { display: grid; row-gap: 4px; }
.field input, .field select, .field textarea {
  width: 100%; background: var(--white); color: var(--ink);
  border: 1px solid rgba(16, 16, 16, 0.55); border-radius: 2px;
  padding: 0 6px; font: 400 0.95rem/1.4 var(--f-body);
}
.field input, .field select { height: 36px; }
.field input::placeholder, .field textarea::placeholder { color: var(--muted); opacity: 1; }
/* select: valor e itens na mesma cor do placeholder ("Seu email") */
.field select { color: var(--muted); cursor: pointer; }
.field select option { color: var(--muted); background: var(--white); }
.field textarea { padding: 6px; min-height: 96px; resize: vertical; }
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible {
  outline: 0; border-color: var(--ink); box-shadow: 0 0 0 1px var(--ink);
}
.field [aria-invalid="true"] { border-color: var(--ink); box-shadow: 0 0 0 2px var(--ink); }
.cform__foot { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 24px; margin-top: 23px; }
.cform__foot .form__msg { flex: 1 1 220px; min-height: 1.5em; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .about__grid .label { grid-column: 1 / 13; }
  .about__body { grid-column: 1 / 13; }
  .member__idx { grid-column: 1 / 13; }
  .member__body { grid-column: 1 / 13; grid-template-columns: clamp(150px, 30vw, 260px) minmax(0, 1fr); }
  .member__photo, .member__text { grid-column: auto; }
  .projects { grid-template-columns: repeat(2, 1fr); }
  .sx-hero__grid > .lead, .sx-hero__grid > div { grid-column: 1 / 13; }
  .ct__label, .cform, .ct__side { grid-column: 1 / 13; }
  .sx-col, .sx-how, .sx-pro .sx-col, .sx-pro__list, .sx-disc { grid-column: 1 / 13; }

  .hero__label { grid-column: 1 / 13; }
  .hero__copy { grid-column: 1 / 13; }
  .hero__copy .lead { max-width: 44ch; }

  .feature__main { grid-column: 1 / 13; }
  .why { grid-column: 1 / 13; }

  .research__text { grid-column: 1 / 13; max-width: 38ch; }
  .stack { grid-column: 1 / 13; }

  .section__head .label, .news__inner .label { grid-column: 1 / 13; padding-bottom: 8px; }
  .section__head .h2 { grid-column: 1 / 13; }
  .news__body { grid-column: 1 / 13; }

  .areas { grid-template-columns: repeat(2, 1fr); }

  .footer__brand { grid-column: 1 / 13; }
  .footer__nav { grid-column: 1 / 5; }
  .footer__social { grid-column: 5 / 9; }
  .footer__contact { grid-column: 9 / 13; }
}

@media (max-width: 760px) {
  .bar { grid-template-columns: 1fr auto; }
  .nav {
    display: none;
    position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--line-strong);
    padding: 6px var(--pad) 14px;
  }
  .nav.is-open { display: flex; }
  .nav a { padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 13px; }
  .menu-toggle { display: inline-block; }

  .hero__title { max-width: none; }
  .brand__logo { height: 38px; }

  .member__body { grid-template-columns: 1fr; row-gap: 20px; }
  .member__photo { width: min(100%, 280px); }
  .projects { grid-template-columns: 1fr; }
  .proj { min-height: 240px; }

  .areas { grid-template-columns: 1fr; }
  .area { min-height: 180px; }

  .footer__brand, .footer__nav, .footer__social, .footer__contact { grid-column: 1 / 13; text-align: left; }
  .footer__social { flex-direction: row; align-items: center; gap: 14px; }
  .form .btn { flex: 1 1 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}