/* Bruno Marcos — portfolio
   Zero dependencies. Tokens first, then layout. */

:root {
  --font-serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, ui-serif, serif;
  --font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --step--1: clamp(0.78rem, 0.76rem + 0.1vw, 0.84rem);
  --step-0: clamp(0.95rem, 0.92rem + 0.15vw, 1.02rem);
  --step-1: clamp(1.1rem, 1.03rem + 0.45vw, 1.3rem);
  --step-2: clamp(1.45rem, 1.3rem + 0.9vw, 1.95rem);
  --step-3: clamp(2rem, 1.5rem + 2.6vw, 3.4rem);

  --measure: 68ch;
  --wrap: 1080px;
  --gutter: clamp(1.15rem, 4vw, 3rem);
  --rhythm: clamp(3.5rem, 8vw, 7rem);
}

[data-theme="dark"] {
  --bg: #0f1013;
  --bg-soft: #14161a;
  --surface: #171a1e;
  --ink: #f1f2f4;
  --ink-soft: #c7cbd1;
  --muted: #9aa1aa;
  --border: #262a30;
  --border-strong: #363b43;
  --accent: #e0a45c;
  --accent-soft: rgba(224, 164, 92, 0.14);
  --ok: #6fbf8b;
  --shadow: 0 1px 0 rgba(255, 255, 255, 0.03);
}

[data-theme="light"] {
  --bg: #faf8f4;
  --bg-soft: #f3f0e9;
  --surface: #ffffff;
  --ink: #14161a;
  --ink-soft: #3c424a;
  --muted: #636a74;
  --border: #e3ded4;
  --border-strong: #cec7ba;
  --accent: #9a5a12;
  --accent-soft: rgba(154, 90, 18, 0.1);
  --ok: #2f7a4c;
  --shadow: 0 1px 2px rgba(20, 22, 26, 0.06);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--step-0);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-wrap: pretty;
}

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

a { color: var(--accent); text-decoration: none; text-underline-offset: 0.22em; }
a:hover { text-decoration: underline; }

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 50;
  background: var(--surface); color: var(--ink);
  padding: 0.7rem 1rem; border: 1px solid var(--border-strong);
}
.skip:focus { left: 1rem; top: 1rem; }

/* ---------- topbar ---------- */

.topbar {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  display: flex; align-items: center; gap: 1.25rem;
  min-height: 60px; flex-wrap: wrap;
  padding-top: 0.55rem; padding-bottom: 0.55rem;
}

.brand {
  display: inline-flex; align-items: center; gap: 0.6rem;
  color: var(--ink); font-weight: 600; letter-spacing: -0.01em;
}
.brand:hover { text-decoration: none; color: var(--ink); }
.brand-mark {
  display: grid; place-items: center;
  width: 26px; height: 26px; border-radius: 5px;
  background: var(--accent-soft); border: 1px solid var(--border-strong);
  color: var(--accent); font-family: var(--font-mono); font-size: 0.82rem; font-weight: 700;
}
.brand-name { font-size: var(--step--1); }

.nav {
  display: flex; gap: 1.1rem; margin-left: auto;
  font-family: var(--font-mono); font-size: var(--step--1);
}
.nav a {
  color: var(--muted);
  display: inline-flex; align-items: center;
  min-height: 34px; padding: 0.3rem 0.1rem;
}
.nav a:hover, .nav a[aria-current="true"] { color: var(--ink); text-decoration: none; }

.controls { display: flex; gap: 0.5rem; }

.ctl {
  display: inline-flex; align-items: center; gap: 0.4rem;
  min-height: 34px; padding: 0.3rem 0.7rem;
  font-family: var(--font-mono); font-size: var(--step--1);
  background: transparent; color: var(--ink-soft);
  border: 1px solid var(--border-strong); border-radius: 999px;
  cursor: pointer;
}
.ctl:hover { border-color: var(--accent); color: var(--ink); }
.ctl-icon { display: inline-flex; }
.ctl-text { display: none; }
@media (min-width: 720px) { .ctl-text { display: inline; } }

/* ---------- hero ---------- */

.hero { padding: var(--rhythm) 0 calc(var(--rhythm) * 0.7); }

.kicker {
  display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: var(--step--1);
  color: var(--muted); margin: 0 0 1.2rem;
  text-transform: uppercase; letter-spacing: 0.08em;
}
.dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--ok); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 22%, transparent);
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: var(--step-3);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 0 0 1.4rem;
  max-width: 20ch;
}

.lead {
  max-width: var(--measure);
  color: var(--ink-soft);
  font-size: var(--step-1);
  margin: 0 0 2rem;
}

.hero-links { display: flex; flex-wrap: wrap; gap: 0.6rem; }

.pill {
  display: inline-flex; align-items: center; gap: 0.45rem;
  min-height: 38px; padding: 0.35rem 0.85rem;
  font-family: var(--font-mono); font-size: var(--step--1);
  color: var(--ink-soft); border: 1px solid var(--border-strong); border-radius: 999px;
}
.pill:hover { text-decoration: none; border-color: var(--accent); color: var(--ink); background: var(--accent-soft); }
.pill .arrow { color: var(--accent); }

/* ---------- sections ---------- */

.section { padding: calc(var(--rhythm) * 0.62) 0; border-top: 1px solid var(--border); }

.section-head {
  display: flex; align-items: baseline; gap: 1rem; flex-wrap: wrap;
  margin-bottom: 2.4rem;
}
.label {
  margin: 0;
  font-family: var(--font-mono); font-size: var(--step--1);
  text-transform: uppercase; letter-spacing: 0.12em; color: var(--accent);
}
.note { margin: 0; color: var(--muted); font-size: var(--step--1); max-width: 46ch; }

/* ---------- projects (rows, not cards) ---------- */

.projects { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--border); }

.project {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.35rem 2rem;
  padding: 1.9rem 0;
  border-bottom: 1px solid var(--border);
}
@media (min-width: 860px) {
  .project { grid-template-columns: 78px minmax(0, 1fr) 190px; }
  .project-index { grid-row: 1 / span 4; }
  .project-meta { grid-column: 3; grid-row: 1 / span 4; padding-top: 0.35rem; }
  .project-body { grid-column: 2; }
}

.project-index {
  font-family: var(--font-mono); font-size: var(--step--1); color: var(--muted);
  padding-top: 0.5rem;
}

.project-body h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: var(--step-2);
  letter-spacing: -0.015em;
  line-height: 1.15;
}
.project-body h3 .flag {
  font-family: var(--font-mono); font-size: 0.62rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--accent); border: 1px solid var(--border-strong);
  border-radius: 3px; padding: 0.1rem 0.35rem; margin-left: 0.6rem;
  vertical-align: middle;
}
.project-sub { margin: 0.35rem 0 1rem; color: var(--ink-soft); font-size: var(--step-1); max-width: var(--measure); }

.project-block { margin: 0 0 0.75rem; max-width: var(--measure); }
.project-block .block-label {
  display: block;
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 0.2rem;
}
.project-block p { margin: 0; color: var(--ink-soft); }

.project-meta { font-family: var(--font-mono); font-size: var(--step--1); color: var(--muted); }
.project-meta dl { margin: 0 0 0.9rem; display: grid; gap: 0.45rem; }
.project-meta dt { color: var(--muted); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; }
.project-meta dd { margin: 0.1rem 0 0; color: var(--ink-soft); }
.stack-list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.3rem; }
.stack-list li { border: 1px solid var(--border); border-radius: 3px; padding: 0.12rem 0.4rem; font-size: 0.72rem; }
.project-links { list-style: none; margin: 0.6rem 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.75rem; }
.project-links a { font-size: var(--step--1); }
.project-links a::after { content: " ↗"; color: var(--muted); }

.noscript { margin-top: 2rem; padding: 1.2rem 1.4rem; background: var(--bg-soft); border: 1px solid var(--border); border-radius: 6px; }

/* ---------- bench ---------- */

.bench { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.15rem; max-width: 78ch; }
.bench li { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 0.85rem; color: var(--ink-soft); }
.bench .mark { font-family: var(--font-mono); color: var(--accent); font-size: var(--step--1); padding-top: 0.18rem; }

/* ---------- about ---------- */

.about-grid { display: grid; gap: 2rem; }
@media (min-width: 900px) {
  .about-grid { grid-template-columns: 220px minmax(0, 1fr); }
}
.about-body { max-width: var(--measure); }
.about-body p { margin: 0 0 1.1rem; color: var(--ink-soft); }

.timeline-wrap { margin-top: 2.2rem; }
.timeline { list-style: none; margin: 1rem 0 0; padding: 0; display: grid; gap: 0.85rem; }
.timeline li {
  display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 1rem;
  padding-bottom: 0.85rem; border-bottom: 1px solid var(--border);
}
@media (max-width: 520px) { .timeline li { grid-template-columns: 1fr; gap: 0.15rem; } }
.timeline .when { font-family: var(--font-mono); font-size: var(--step--1); color: var(--muted); }
.timeline .what { color: var(--ink-soft); }

/* ---------- contact ---------- */

.contact-body { max-width: var(--measure); color: var(--ink-soft); margin: 0 0 1.4rem; }
.contact-mail { margin: 0 0 1.6rem; }
.mailto {
  font-family: var(--font-mono); font-size: var(--step-1);
  border-bottom: 1px solid var(--accent); padding-bottom: 0.1rem;
}
.mailto:hover { text-decoration: none; }

/* ---------- footer ---------- */

.footer { border-top: 1px solid var(--border); padding: 2rem 0 3rem; }
.footer-inner { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: space-between; }
.footer p { margin: 0; color: var(--muted); font-size: var(--step--1); }
.footer-meta { font-family: var(--font-mono); }

/* ---------- motion / print ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

@media print {
  :root { --bg: #fff; --ink: #000; --ink-soft: #222; --muted: #555; --border: #ccc; --accent: #000; }
  .topbar, .controls, .skip { display: none; }
  body { font-size: 11pt; }
  .project { break-inside: avoid; }
  a::after { content: " (" attr(href) ")"; font-size: 9pt; color: #444; }
}