/* =========================================================
   Bruno Menezes — Template pessoal
   Design system: tema claro/escuro, i18n PT/EN, responsivo
   ========================================================= */

:root {
  /* Escala tipográfica e espaçamento */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --container: 1080px;
  --radius: 16px;
  --radius-sm: 10px;

  /* Acento (gradiente da marca) */
  --accent: #6366f1;
  --accent-2: #22d3ee;
  --grad: linear-gradient(100deg, var(--accent), var(--accent-2));

  /* Tema escuro (padrão) */
  --bg: #0b0f19;
  --bg-elev: #111726;
  --bg-alt: #0e1320;
  --card: #141b2c;
  --card-hover: #18213500;
  --text: #e8ecf3;
  --text-soft: #b7c0d0;
  --muted: #8b95a7;
  --border: #212a3d;
  --ring: rgba(99, 102, 241, .35);
  --shadow: 0 20px 50px -20px rgba(0, 0, 0, .6);
  --header-bg: rgba(11, 15, 25, .72);
}

:root[data-theme="light"] {
  --bg: #f7f8fb;
  --bg-elev: #ffffff;
  --bg-alt: #eef1f7;
  --card: #ffffff;
  --text: #10151f;
  --text-soft: #3c4557;
  --muted: #66708a;
  --border: #e2e7f0;
  --ring: rgba(99, 102, 241, .28);
  --shadow: 0 20px 45px -22px rgba(20, 30, 60, .25);
  --header-bg: rgba(247, 248, 251, .78);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --bg: #f7f8fb; --bg-elev: #ffffff; --bg-alt: #eef1f7; --card: #ffffff;
    --text: #10151f; --text-soft: #3c4557; --muted: #66708a; --border: #e2e7f0;
    --ring: rgba(99, 102, 241, .28); --shadow: 0 20px 45px -22px rgba(20, 30, 60, .25);
    --header-bg: rgba(247, 248, 251, .78);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Fundo com brilho sutil */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(60% 45% at 78% -5%, rgba(34, 211, 238, .12), transparent 60%),
    radial-gradient(55% 45% at 12% 5%, rgba(99, 102, 241, .16), transparent 60%);
  pointer-events: none;
}

a { color: inherit; text-decoration: none; }
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ---------- i18n ---------- */
.en { display: none; }
body.lang-en .en { display: revert; }
body.lang-en .pt { display: none; }
.nav a .pt, .nav a .en, h1 .pt, h1 .en, h2 .pt, h2 .en, h3 .pt, h3 .en,
.when .pt, .when .en, .pill-btn .pt, .pill-btn .en, .section-kicker .pt, .section-kicker .en,
.stat-label .pt, .stat-label .en, li .pt, li .en { display: inline; }
body.lang-en .nav a .pt, body.lang-en h1 .pt, body.lang-en h2 .pt, body.lang-en h3 .pt,
body.lang-en .when .pt, body.lang-en .pill-btn .pt, body.lang-en .section-kicker .pt,
body.lang-en .stat-label .pt, body.lang-en li .pt { display: none; }
body:not(.lang-en) .nav a .en, body:not(.lang-en) h1 .en, body:not(.lang-en) h2 .en,
body:not(.lang-en) h3 .en, body:not(.lang-en) .when .en, body:not(.lang-en) .pill-btn .en,
body:not(.lang-en) .section-kicker .en, body:not(.lang-en) .stat-label .en,
body:not(.lang-en) li .en { display: none; }

/* ---------- Acessibilidade ---------- */
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--accent); color: #fff; padding: 10px 16px; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--header-bg);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; gap: 20px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.brand-mark {
  display: grid; place-items: center; width: 30px; height: 30px; border-radius: 9px;
  background: var(--grad); color: #0b0f19; font-weight: 800; font-size: .8rem; letter-spacing: .02em;
}
.brand-name { font-size: .98rem; }
.nav { display: flex; gap: 4px; margin-left: auto; }
.nav a {
  color: var(--text-soft); font-size: .9rem; font-weight: 500;
  padding: 8px 12px; border-radius: 8px; transition: color .2s, background .2s;
}
.nav a:hover { color: var(--text); background: color-mix(in srgb, var(--accent) 12%, transparent); }
.header-actions { display: flex; align-items: center; gap: 8px; }

.pill-btn {
  font-family: var(--font); font-size: .78rem; font-weight: 700; letter-spacing: .06em;
  color: var(--text-soft); background: transparent; border: 1px solid var(--border);
  padding: 6px 12px; border-radius: 999px; cursor: pointer; transition: all .2s;
}
.pill-btn:hover { color: var(--text); border-color: var(--accent); }
.icon-btn {
  display: grid; place-items: center; width: 36px; height: 36px; border-radius: 10px;
  color: var(--text-soft); background: transparent; border: 1px solid var(--border); cursor: pointer;
  transition: all .2s;
}
.icon-btn:hover { color: var(--text); border-color: var(--accent); }
.ic-moon { display: none; }
:root[data-theme="light"] .ic-sun { display: none; }
:root[data-theme="light"] .ic-moon { display: block; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme]) .ic-sun { display: none; }
  :root:not([data-theme]) .ic-moon { display: block; }
}

/* ---------- Hero ---------- */
.hero { padding: clamp(48px, 9vw, 104px) 0 clamp(40px, 7vw, 80px); }
.hero-grid { display: grid; grid-template-columns: 1.35fr .65fr; gap: 48px; align-items: center; }
.kicker {
  font-family: var(--mono); font-size: .82rem; letter-spacing: .02em;
  color: var(--accent-2); margin: 0 0 18px;
}
.hero h1 {
  font-size: clamp(2.6rem, 7vw, 4.6rem); line-height: 1.02; letter-spacing: -.03em;
  margin: 0 0 20px; font-weight: 800;
}
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { font-size: clamp(1.05rem, 2vw, 1.28rem); color: var(--text-soft); max-width: 34ch; margin: 0 0 24px; }
.hero-sub strong { color: var(--text); }

.chips { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 0 0 28px; }
.chips li {
  font-size: .82rem; color: var(--text-soft); background: var(--bg-elev);
  border: 1px solid var(--border); padding: 6px 13px; border-radius: 999px;
}
.chips.wide { margin-top: 30px; }
.chips.col { flex-direction: column; align-items: flex-start; }
.chips.col li { width: 100%; }

.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 26px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: .95rem; padding: 12px 22px; border-radius: 12px;
  border: 1px solid transparent; transition: transform .15s, box-shadow .2s, background .2s, border-color .2s;
}
.btn.primary { background: var(--grad); color: #0b0f19; box-shadow: 0 10px 30px -12px var(--ring); }
.btn.primary:hover { transform: translateY(-2px); box-shadow: 0 16px 36px -12px var(--ring); }
.btn.ghost { background: transparent; border-color: var(--border); color: var(--text); }
.btn.ghost:hover { border-color: var(--accent); transform: translateY(-2px); }
.btn.big { font-size: 1.02rem; padding: 15px 28px; }

.social { display: flex; flex-wrap: wrap; gap: 18px; }
.social a { color: var(--muted); font-size: .9rem; font-weight: 500; transition: color .2s; position: relative; }
.social a:hover { color: var(--accent-2); }
.social.center { justify-content: center; margin-top: 26px; }

/* Avatar */
.hero-visual { display: flex; justify-content: center; }
.avatar-ring {
  position: relative; width: min(280px, 62vw); aspect-ratio: 1; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--grad); padding: 4px;
  box-shadow: var(--shadow);
}
.avatar-ring::after {
  content: ""; position: absolute; inset: -18px; border-radius: 50%;
  background: radial-gradient(circle, var(--ring), transparent 70%); z-index: -1; filter: blur(6px);
}
.avatar { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; }
.avatar-mono {
  position: absolute; inset: 4px; border-radius: 50%; display: grid; place-items: center;
  background: var(--bg-elev); color: var(--text);
  font-size: clamp(3rem, 10vw, 5rem); font-weight: 800; letter-spacing: -.02em;
}
.avatar + .avatar-mono { display: none; }

/* ---------- Sections ---------- */
.section { padding: clamp(56px, 9vw, 100px) 0; }
.section.alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-kicker { font-family: var(--mono); font-size: .8rem; color: var(--accent-2); margin: 0 0 10px; }
.section-title {
  font-size: clamp(1.7rem, 4vw, 2.6rem); letter-spacing: -.02em; line-height: 1.1;
  margin: 0 0 36px; font-weight: 700; max-width: 20ch;
}
.prose { max-width: 66ch; font-size: 1.06rem; color: var(--text-soft); }
.prose p { margin: 0 0 16px; }
.prose strong { color: var(--text); font-weight: 600; }
.muted { color: var(--muted); font-size: .95rem; }
.center { text-align: center; margin-left: auto; margin-right: auto; }

/* Stats */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 44px;
}
.stat {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px; text-align: center;
}
.stat-num {
  display: block; font-size: 1.7rem; font-weight: 800; letter-spacing: -.02em;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat-label { display: block; font-size: .82rem; color: var(--muted); margin-top: 4px; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px; transition: transform .2s, border-color .2s, box-shadow .2s;
}
.card:hover { transform: translateY(-4px); border-color: var(--accent); box-shadow: var(--shadow); }
.card-ic {
  display: grid; place-items: center; width: 46px; height: 46px; border-radius: 12px;
  color: var(--accent-2); background: color-mix(in srgb, var(--accent) 14%, transparent);
  margin-bottom: 16px;
}
.card h3 { margin: 0 0 8px; font-size: 1.15rem; }
.card p { margin: 0; color: var(--text-soft); font-size: .96rem; }

/* Timeline */
.timeline { list-style: none; padding: 0; margin: 0; max-width: 760px; }
.timeline li {
  position: relative; padding: 0 0 30px 30px; border-left: 2px solid var(--border);
}
.timeline li:last-child { border-left-color: transparent; padding-bottom: 0; }
.timeline li::before {
  content: ""; position: absolute; left: -8px; top: 5px; width: 14px; height: 14px;
  border-radius: 50%; background: var(--grad); box-shadow: 0 0 0 4px var(--bg);
}
.section.alt .timeline li::before { box-shadow: 0 0 0 4px var(--bg-alt); }
.when { font-family: var(--mono); font-size: .8rem; color: var(--accent-2); }
.timeline h3 { margin: 6px 0 2px; font-size: 1.18rem; }
.where { color: var(--muted); font-size: .9rem; margin: 0 0 10px; font-weight: 500; }
.timeline p:not(.where) { color: var(--text-soft); font-size: .97rem; margin: 0; }

/* Education grid */
.edu-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; margin-bottom: 28px; }
.colhead { font-size: 1rem; margin: 0 0 16px; color: var(--accent-2); text-transform: uppercase; letter-spacing: .05em; font-family: var(--mono); font-weight: 500; }
.edu-col .colhead + .colhead { margin-top: 30px; }
.edu-list { list-style: none; padding: 0; margin: 0; }
.edu-list li {
  padding: 16px 18px; background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-sm); margin-bottom: 12px;
}
.edu-list strong { display: block; font-weight: 600; margin-bottom: 4px; }
.edu-org { color: var(--muted); font-size: .88rem; }

/* Contact */
.contact-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 24px;
  padding: clamp(32px, 6vw, 60px); text-align: center; box-shadow: var(--shadow);
  background-image: radial-gradient(80% 120% at 50% -20%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 60%);
}
.contact-card .section-title { margin-left: auto; margin-right: auto; max-width: none; }
.contact-card .prose { margin: 0 auto 26px; }
.contact-card .btn { margin: 0 auto; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 26px 0; }
.footer-inner { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; color: var(--muted); font-size: .85rem; }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ---------- Responsivo ---------- */
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-visual { order: -1; }
  .hero-sub { max-width: none; }
  .cards { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .edu-grid { grid-template-columns: 1fr; gap: 30px; }
  .nav { display: none; }
}
@media (max-width: 420px) {
  .stats { grid-template-columns: 1fr; }
}