/* ============================================================
   Pedro Rocha — Portfolio
   Tema: astronomia / deep space, glassmorphism, animações
   ============================================================ */

:root {
  --bg: #05060f;
  --bg-2: #0a0c1d;
  --panel: rgba(20, 24, 48, 0.45);
  --panel-solid: #11142b;
  --border: rgba(140, 160, 255, 0.16);
  --text: #e7ecff;
  --muted: #9aa3c7;
  --accent: #6ea8fe;
  --accent-2: #b692ff;
  --accent-3: #5eead4;
  --grad: linear-gradient(135deg, #6ea8fe, #b692ff);
  --grad-soft: linear-gradient(135deg, rgba(110,168,254,.18), rgba(182,146,255,.18));
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  --radius: 18px;
  --maxw: 1100px;
  --font: "Inter", system-ui, -apple-system, sans-serif;
  --display: "Space Grotesk", var(--font);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text);
  background: radial-gradient(circle at 20% 10%, #0c1130 0%, var(--bg) 45%, #03040a 100%);
  line-height: 1.65;
  overflow-x: hidden;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }

/* ---------- Fundo estelar ---------- */
#starfield {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

#galaxies {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 1;
  mix-blend-mode: screen;
}

.nebula {
  position: fixed;
  z-index: 0;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
  pointer-events: none;
  animation: drift 22s ease-in-out infinite alternate;
}
.nebula--1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(110,168,254,.55), transparent 70%);
  top: -150px; left: -120px;
}
.nebula--2 {
  width: 520px; height: 520px;
  background: radial-gradient(circle, rgba(182,146,255,.5), transparent 70%);
  bottom: -180px; right: -120px;
  animation-delay: -8s;
}
@keyframes drift {
  from { transform: translate3d(0,0,0) scale(1); }
  to   { transform: translate3d(40px,30px,0) scale(1.12); }
}

.grid-overlay {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(110,168,254,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(110,168,254,.04) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 75%);
}

main, .nav, .footer { position: relative; z-index: 2; }

/* ---------- Navegação ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px clamp(16px, 4vw, 48px);
  z-index: 50;
  transition: background .35s ease, backdrop-filter .35s ease, border-color .35s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(7, 9, 22, 0.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav__brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--display);
  font-weight: 600; font-size: 1.05rem; letter-spacing: .3px;
}
.nav__brand strong { color: var(--accent); }
.nav__logo { display: grid; place-items: center; }
.nav__links { display: flex; align-items: center; gap: 26px; }
.nav__links a {
  color: var(--muted);
  font-size: .94rem;
  font-weight: 500;
  position: relative;
  transition: color .25s;
}
.nav__links a::after {
  content: ""; position: absolute; left: 0; bottom: -6px;
  width: 0; height: 2px; background: var(--grad);
  transition: width .3s ease;
}
.nav__links a:hover { color: var(--text); }
.nav__links a:hover::after { width: 100%; }
.nav__cta {
  padding: 8px 18px;
  border-radius: 999px;
  background: var(--grad);
  color: #06101f !important;
  font-weight: 600;
}
.nav__cta::after { display: none; }
.nav__cta:hover { filter: brightness(1.08); }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none; border: none; cursor: pointer; padding: 6px;
}
.nav__toggle span {
  width: 24px; height: 2px; background: var(--text); border-radius: 2px;
  transition: transform .3s, opacity .3s;
}
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 600; font-size: .95rem;
  cursor: pointer;
  transition: transform .25s ease, box-shadow .25s ease, filter .25s;
  border: 1px solid transparent;
}
.btn--primary {
  background: var(--grad); color: #06101f;
  box-shadow: 0 10px 30px rgba(110,168,254,.35);
}
.btn--primary:hover { transform: translateY(-3px); box-shadow: 0 16px 40px rgba(110,168,254,.5); }
.btn--ghost {
  background: rgba(255,255,255,.04);
  border-color: var(--border);
  color: var(--text);
}
.btn--ghost:hover { transform: translateY(-3px); border-color: var(--accent); background: var(--grad-soft); }

/* ---------- HERO ---------- */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 30px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 120px clamp(16px, 4vw, 48px) 60px;
}
.hero__eyebrow {
  display: inline-block;
  font-size: .82rem; letter-spacing: 2px; text-transform: uppercase;
  color: var(--accent-3);
  padding: 6px 14px; border: 1px solid var(--border); border-radius: 999px;
  background: rgba(94,234,212,.06);
  margin-bottom: 22px;
  animation: fadeUp .8s both;
}
.hero__title {
  font-family: var(--display);
  font-size: clamp(2.8rem, 8vw, 5.2rem);
  line-height: 1.02;
  font-weight: 700;
  letter-spacing: -1.5px;
  margin-bottom: 22px;
  animation: fadeUp .8s .1s both;
}
.grad {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero__fullname {
  font-family: var(--display);
  font-size: clamp(.95rem, 2.4vw, 1.25rem);
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--accent-3);
  margin-bottom: 18px;
}
.hero__sub {
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.18rem);
  max-width: 540px;
  margin-bottom: 32px;
  animation: fadeUp .8s .2s both;
}
.hero__sub em { color: var(--text); font-style: normal; font-weight: 600; }
.hero__actions {
  display: flex; gap: 14px; flex-wrap: wrap;
  margin-bottom: 34px;
  animation: fadeUp .8s .3s both;
}
.hero__badges { display: flex; flex-wrap: wrap; gap: 10px; animation: fadeUp .8s .4s both; }
.chip {
  font-size: .82rem;
  padding: 7px 14px;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid var(--border);
  backdrop-filter: blur(6px);
}

/* Orbit system */
.hero__orbit {
  position: relative;
  width: clamp(220px, 30vw, 360px);
  height: clamp(220px, 30vw, 360px);
  justify-self: center;
  animation: fadeUp 1s .3s both;
}
.planet {
  position: absolute; inset: 0; margin: auto;
  width: 110px; height: 110px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #a9c8ff, #4f6bff 55%, #1b2a8a);
  box-shadow: 0 0 50px rgba(110,168,254,.55), inset -12px -12px 30px rgba(0,0,0,.45);
}
.ring {
  position: absolute; inset: 0; margin: auto;
  border: 1px solid rgba(140,160,255,.28);
  border-radius: 50%;
}
.ring--1 { width: 170px; height: 170px; animation: spin 9s linear infinite; }
.ring--2 { width: 240px; height: 240px; animation: spin 16s linear infinite reverse; }
.ring--3 { width: 320px; height: 320px; animation: spin 26s linear infinite; }
.moon {
  position: absolute; top: -5px; left: 50%;
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--accent-3);
  box-shadow: 0 0 14px var(--accent-3);
  transform: translateX(-50%);
}
.moon--2 { background: var(--accent-2); box-shadow: 0 0 14px var(--accent-2); }
.moon--3 { background: #ffd479; box-shadow: 0 0 14px #ffd479; }
@keyframes spin { to { transform: rotate(360deg); } }

.scroll-cue {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%);
  width: 26px; height: 42px; border: 2px solid var(--border); border-radius: 14px;
  display: grid; place-items: start center; padding-top: 7px;
}
.scroll-cue span {
  width: 5px; height: 8px; border-radius: 3px; background: var(--accent);
  animation: scrollDot 1.6s ease-in-out infinite;
}
@keyframes scrollDot { 0%,100% { transform: translateY(0); opacity: 1; } 50% { transform: translateY(12px); opacity: .3; } }

/* ---------- Seções ---------- */
.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 90px clamp(16px, 4vw, 48px);
}
.section__head { margin-bottom: 48px; }
.section__kicker {
  font-family: var(--display);
  font-size: .85rem; letter-spacing: 3px; text-transform: uppercase;
  color: var(--accent-2);
}
.section__title {
  font-family: var(--display);
  font-size: clamp(1.8rem, 4.5vw, 2.8rem);
  font-weight: 700; letter-spacing: -.5px;
  margin-top: 10px;
}
.section__lead { color: var(--muted); margin-top: 10px; }

/* ---------- Sobre ---------- */
.about { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: start; }
.about__text p { color: var(--muted); margin-bottom: 18px; }
.about__text strong { color: var(--text); }
.about__stats { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.stat {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px; backdrop-filter: blur(8px);
  transition: transform .3s, border-color .3s;
}
.stat:hover { transform: translateY(-5px); border-color: var(--accent); }
.stat__num {
  display: block; font-family: var(--display);
  font-size: 2.4rem; font-weight: 700;
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat__label { color: var(--muted); font-size: .85rem; }

/* ---------- Cartões de projeto ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 22px; }
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  backdrop-filter: blur(10px);
  cursor: pointer;
  transition: transform .35s ease, border-color .35s, box-shadow .35s;
  position: relative;
  overflow: hidden;
}
.card::before {
  content: ""; position: absolute; inset: 0;
  background: var(--grad-soft);
  opacity: 0; transition: opacity .35s; pointer-events: none;
}
.card:hover { transform: translateY(-6px); border-color: var(--accent); box-shadow: var(--shadow); }
.card:hover::before { opacity: 1; }
.card__top { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.card__icon {
  width: 52px; height: 52px; flex: none;
  display: grid; place-items: center;
  font-size: 1.7rem;
  border-radius: 14px;
  background: rgba(110,168,254,.12);
  border: 1px solid var(--border);
}
.card__title { font-family: var(--display); font-size: 1.25rem; font-weight: 600; }
.card__tag { font-size: .78rem; color: var(--accent-3); letter-spacing: .4px; }
.card__summary { color: var(--muted); font-size: .92rem; margin-bottom: 16px; }
.card__stack { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 14px; }
.tagp {
  font-size: .72rem; padding: 4px 10px; border-radius: 999px;
  background: rgba(255,255,255,.05); border: 1px solid var(--border); color: var(--muted);
}
.tagp--tech {
  background: var(--grad-soft); border-color: rgba(110,168,254,.3);
  color: var(--accent); font-weight: 600;
}
.card__more {
  display: flex; align-items: center; gap: 6px;
  font-size: .85rem; font-weight: 600; color: var(--accent);
}
.card__more .chev { transition: transform .35s; }
.card.open .card__more .chev { transform: rotate(180deg); }
.card__detail {
  max-height: 0; overflow: hidden;
  transition: max-height .5s ease, opacity .4s, margin .4s;
  opacity: 0;
  font-size: .9rem; color: var(--muted);
}
.card.open .card__detail { max-height: 520px; opacity: 1; margin-top: 14px; }
.card__repo {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 14px; font-size: .84rem; color: var(--accent-2);
}
.card__repo:hover { text-decoration: underline; }

.cat { margin-bottom: 44px; }
.cat__title {
  font-family: var(--display);
  font-size: 1.25rem; font-weight: 600;
  margin-bottom: 18px;
  display: flex; align-items: center; gap: 10px;
  color: var(--text);
}
.cat__count {
  font-size: .8rem; font-weight: 600;
  background: var(--grad-soft); border: 1px solid var(--border);
  padding: 2px 10px; border-radius: 999px; color: var(--accent);
}

/* ---------- Accordion pesquisa ---------- */
.accordion { display: flex; flex-direction: column; gap: 14px; }
.acc {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  backdrop-filter: blur(8px);
  transition: border-color .3s;
}
.acc.open { border-color: var(--accent); }
.acc__head {
  display: flex; align-items: center; gap: 16px;
  padding: 20px 24px; cursor: pointer; width: 100%;
  background: none; border: none; color: var(--text);
  text-align: left; font-family: var(--font);
}
.acc__icon { font-size: 1.5rem; flex: none; }
.acc__titles { flex: 1; }
.acc__title { font-family: var(--display); font-size: 1.1rem; font-weight: 600; }
.acc__badge {
  display: inline-block; margin-top: 4px;
  font-size: .72rem; padding: 3px 10px; border-radius: 999px;
  background: rgba(182,146,255,.14); border: 1px solid var(--border); color: var(--accent-2);
}
.acc__chev { transition: transform .35s; color: var(--accent); flex: none; }
.acc.open .acc__chev { transform: rotate(180deg); }
.acc__summary { color: var(--muted); font-size: .92rem; padding: 0 24px 4px; }
.acc__body {
  max-height: 0; overflow: hidden;
  transition: max-height .5s ease, opacity .4s;
  opacity: 0;
}
.acc.open .acc__body { max-height: 400px; opacity: 1; }
.acc__detail { padding: 0 24px 22px; color: var(--muted); font-size: .92rem; }

/* ---------- Bolsas / Pesquisa ---------- */
.bolsas { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 18px; }
.bolsa {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px; backdrop-filter: blur(10px);
  transition: transform .3s, border-color .3s, box-shadow .3s;
}
.bolsa:hover { transform: translateY(-5px); border-color: var(--accent); box-shadow: var(--shadow); }
.bolsa__icon {
  font-size: 1.8rem; flex: none;
  width: 54px; height: 54px; display: grid; place-items: center;
  border-radius: 14px; background: rgba(110,168,254,.12); border: 1px solid var(--border);
}
.bolsa__body { flex: 1; }
.bolsa__head { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.bolsa__head h3 { font-family: var(--display); font-size: 1.02rem; font-weight: 600; line-height: 1.25; }
.bolsa__kind {
  font-size: .68rem; white-space: nowrap; padding: 4px 10px; border-radius: 999px;
  background: rgba(94,234,212,.12); border: 1px solid var(--border); color: var(--accent-3);
}
.bolsa__meta { font-size: .8rem; color: var(--muted); margin: 8px 0; }
.bolsa__desc { color: var(--muted); font-size: .9rem; }

/* ---------- Currículo ---------- */
.cv { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: center; }
.cv__text { color: var(--muted); }
.cv__text code {
  background: rgba(255,255,255,.06); padding: 2px 8px; border-radius: 6px;
  font-family: ui-monospace, monospace; color: var(--accent-3); font-size: .85em;
}
.cv__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.cv__preview { perspective: 900px; }
.cv__page {
  background: linear-gradient(160deg, #11142b, #1a1f44);
  border: 1px solid var(--border);
  border-radius: 12px; padding: 22px;
  transform: rotateX(6deg) rotateY(-8deg);
  box-shadow: var(--shadow);
  max-width: 340px; margin-left: auto;
}
.cv__bar { height: 8px; width: 40%; border-radius: 4px; background: var(--grad); margin-bottom: 18px; }
.cv__lines { display: flex; flex-direction: column; gap: 10px; }
.cv__lines span { height: 10px; border-radius: 5px; background: rgba(255,255,255,.08); }

/* ---------- Lattes ---------- */
.lattes { display: grid; grid-template-columns: 320px 1fr; gap: 30px; align-items: center; }
.lattes__card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px; text-align: center;
  backdrop-filter: blur(10px);
}
.lattes__avatar {
  width: 84px; height: 84px; margin: 0 auto 16px;
  display: grid; place-items: center; border-radius: 50%;
  font-family: var(--display); font-size: 1.8rem; font-weight: 700;
  background: var(--grad); color: #06101f;
}
.lattes__card h3 { font-family: var(--display); font-size: 1.15rem; margin-bottom: 6px; }
.lattes__id { color: var(--muted); font-size: .85rem; margin-bottom: 16px; }
.lattes__id code { color: var(--accent-3); }
.lattes__resume { color: var(--muted); }

/* ---------- Contato ---------- */
.contact {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px;
}
.contact__item {
  display: flex; flex-direction: column; gap: 6px;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px;
  backdrop-filter: blur(8px);
  transition: transform .3s, border-color .3s;
}
.contact__item:hover { transform: translateY(-5px); border-color: var(--accent); }
.contact__icon { font-size: 1.5rem; }
.contact__label { font-size: .78rem; text-transform: uppercase; letter-spacing: 1.5px; color: var(--muted); }
.contact__value { font-family: var(--display); font-weight: 600; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border); margin-top: 40px; }
.footer__inner {
  max-width: var(--maxw); margin: 0 auto;
  padding: 28px clamp(16px, 4vw, 48px);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
  color: var(--muted); font-size: .88rem;
}
.footer__top { color: var(--accent); }
.footer__top:hover { text-decoration: underline; }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

@keyframes fadeUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }

/* ---------- Responsivo ---------- */
@media (max-width: 860px) {
  .nav__links {
    position: fixed; top: 64px; right: 0; left: 0;
    flex-direction: column; gap: 4px;
    background: rgba(7,9,22,.96); backdrop-filter: blur(16px);
    padding: 18px 24px; border-bottom: 1px solid var(--border);
    transform: translateY(-130%); transition: transform .4s ease;
  }
  .nav__links.open { transform: translateY(0); }
  .nav__links a { padding: 12px 0; width: 100%; }
  .nav__toggle { display: flex; }
  .hero { grid-template-columns: 1fr; text-align: center; padding-top: 110px; }
  .hero__sub { margin-left: auto; margin-right: auto; }
  .hero__actions, .hero__badges { justify-content: center; }
  .hero__orbit { display: none; }
  .about, .cv, .lattes { grid-template-columns: 1fr; }
  .about__stats { margin-top: 10px; }
  .cv__page { margin: 0 auto; }
  .section { padding: 64px clamp(16px, 5vw, 30px); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}