/* =========================
   Theme / Variables
========================= */
:root {
  --bg: #0b1220;
  --bg-soft: #111a2e;
  --card: #0f172a;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --brand: #22d3ee;
  --brand-2: #34d399;
  --border: rgba(255,255,255,0.08);
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
  --radius: 18px;
  --radius-sm: 12px;
  --maxw: 1100px;
}

:root.light {
  --bg: #f6f7fb;
  --bg-soft: #ffffff;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #4b5563;
  --brand: #0ea5e9;
  --brand-2: #10b981;
  --border: rgba(15,23,42,0.08);
  --shadow: 0 10px 30px rgba(15,23,42,0.08);
}

/* =========================
   Base
========================= */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 10% -5%, rgba(34,211,238,0.12), transparent 60%),
              radial-gradient(1000px 500px at 90% 0%, rgba(52,211,153,0.12), transparent 60%),
              var(--bg);
  color: var(--text);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: var(--maxw);
  padding: 0 20px;
  margin: 0 auto;
}

/* =========================
   Sections full height
========================= */
.section {
  /*min-height: 100vh;          /* ocupa a altura total do viewport */
  padding: 80px 0 0 0;            /* mantém seu espaçamento original */
  display: flex;
  flex-direction: column;
  justify-content: center;    /* centraliza o conteúdo verticalmente */
}

/* Ajuste opcional para mobile (evita scroll exagerado) */
@media (max-width: 600px) {
  .section {
    min-height: auto;
    padding: 60px 0;
  }
}

.section__head {
  display: grid;
  gap: 10px;
  margin-bottom: 28px;
}
.section__head h2 {
  font-size: clamp(1.6rem, 2.5vw, 2rem);
  margin: 0;
}
.section__head p { margin: 0; color: var(--muted); line-height: 1.6; }

.muted { color: var(--muted); }
.small { font-size: .9rem; }

/* =========================
   Progress bar
========================= */
#scroll-progress{
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  z-index: 9999;
}

/* =========================
   Buttons
========================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  padding: 12px 16px;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  color: #041018;
  font-weight: 700;
  border: 0;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform .12s ease, opacity .12s ease;
}
.btn:hover { transform: translateY(-1px); opacity: .95; }
.btn--ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: none;
}

/* =========================
   Header / Nav
========================= */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10,14,26,0.75);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
:root.light .header { background: rgba(255,255,255,0.8); }

.nav {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.nav__logo {
  font-weight: 800;
  letter-spacing: .5px;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: 1.2rem;
}
.nav__links {
  list-style: none;
  display: flex;
  gap: 14px;
  padding: 0;
  margin: 0;
}
.nav__link {
  color: var(--muted);
  font-weight: 600;
  font-size: .95rem;
  padding: 8px 10px;
  border-radius: 999px;
  transition: color .12s ease, background .12s ease;
}
.nav__link:hover { color: var(--text); background: var(--bg-soft); }
.nav__link.active { color: var(--text); background: rgba(34,211,238,0.12); }

.nav__actions { display: flex; align-items: center; gap: 10px; }
.theme-toggle {
  height: 40px; width: 40px;
  border-radius: 999px;
  display: grid; place-items: center;
  border: 1px solid var(--border);
  background: transparent; color: var(--text);
  cursor: pointer;
}
.nav__toggle {
  display: none;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  height: 40px; width: 40px;
  border-radius: 10px;
}

/* Mobile nav */
@media (max-width: 900px){
  .nav__toggle { display: grid; place-items: center; }
  .nav__links {
    position: fixed;
    inset: 64px 12px auto 12px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 12px;
    display: none;
    flex-direction: column;
    box-shadow: var(--shadow);
  }
  .nav__links.open { display: flex; }
}

/* =========================
   Hero
========================= */
.hero {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 24px;
  align-items: center;
  padding-top: 30px;
}
.hero__eyebrow { color: var(--muted); font-weight: 600; margin: 0; }
.hero__title {
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  margin: 6px 0 4px;
  line-height: 1.1;
}
.hero__subtitle { margin: 0; font-weight: 600; color: var(--muted); }
.hero__text { color: var(--text); opacity: .95; line-height: 1.7; margin-top: 12px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 22px;
}
.stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
}
.stat__num { font-weight: 800; }
.stat__label { color: var(--muted); font-size: .9rem; margin-top: 4px; }

.hero__card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.hero__avatar {
  aspect-ratio: 16/12;
  background: linear-gradient(180deg, rgba(34,211,238,0.15), transparent);
  display: grid; place-items: center;
}
.hero__avatar img {
  width: 180px; height: 180px;
  border-radius: 50%;
  border: 3px solid rgba(255,255,255,0.2);
  object-fit: cover;
}
.hero__card-body { padding: 16px; }
.checklist { list-style: none; padding: 0; margin: 10px 0 0; display: grid; gap: 8px; }
.checklist li::before { content: "✓"; margin-right: 8px; color: var(--brand); font-weight: 800; }

@media (max-width: 900px){
  .hero { grid-template-columns: 1fr; }
  .hero__stats { grid-template-columns: 1fr; }
}

/* =========================
   About
========================= */
.about__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.about__item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  display: grid;
  gap: 6px;
}
.about__item i { font-size: 1.3rem; color: var(--brand); }
.about__item h3 { margin: 0; font-size: 1.05rem; }
.about__item p { margin: 0; color: var(--muted); line-height: 1.6; }

@media (max-width: 900px){
  .about__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px){
  .about__grid { grid-template-columns: 1fr; }
}

/* =========================
   Skills
========================= */
.skills__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.skills__card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  display: grid;
  gap: 10px;
}
.skills__card h3 { margin: 0; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-soft);
  font-size: .92rem;
}
.chip b { margin-left: 6px; }
.chip i { font-size: 1.1rem; }

@media (max-width: 900px){
  .skills__grid { grid-template-columns: 1fr; }
}

/* =========================
   Timeline
========================= */
.timeline { display: grid; gap: 12px; position: relative; }
.timeline::before {
  content:"";
  position: absolute;
  left: 10px; top: 0; bottom: 0;
  width: 2px; background: var(--border);
}
.timeline__item {
  position: relative;
  padding-left: 36px;
}
.timeline__dot {
  position: absolute;
  left: 2px; top: 18px;
  height: 18px; width: 18px;
  border-radius: 50%;
  background: linear-gradient(180deg, var(--brand), var(--brand-2));
  box-shadow: 0 0 0 4px rgba(34,211,238,0.12);
}
.timeline__content {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}
.timeline__content h3 { margin-top: 0; }
.timeline__meta { color: var(--muted); font-weight: 600; font-size: .95rem; }
.timeline__content ul { margin: 10px 0 0; padding-left: 18px; color: var(--text); line-height: 1.6; }

/* =========================
   Projects
========================= */
.projects__filters {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-bottom: 12px;
}
.filter-btn {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--muted);
  font-weight: 700;
  cursor: pointer;
}
.filter-btn.active {
  color: var(--text);
  border-color: rgba(34,211,238,0.6);
  background: rgba(34,211,238,0.12);
}

.projects__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.project-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  display: grid;
  gap: 8px;
  transition: transform .12s ease, border-color .12s ease;
}
.project-card:hover { transform: translateY(-2px); border-color: rgba(34,211,238,0.5); }
.project-card__top {
  display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
}
.project-card__tags { display:flex; flex-wrap: wrap; gap:6px; }
.project-card__tags span {
  font-size: .78rem;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--bg-soft);
}
.project-card__stack { color: var(--muted); font-size: .92rem; }
.project-card__links a {
  font-weight: 800;
  color: var(--brand);
}

@media (max-width: 900px){
  .projects__grid { grid-template-columns: 1fr; }
}

/* =========================
   Cards grids
========================= */
.cards-grid {
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:12px;
}
.info-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}
@media (max-width: 900px){
  .cards-grid { grid-template-columns: 1fr; }
}

/* =========================
   Contact
========================= */
.contact__grid {
  display:grid;
  grid-template-columns: 1fr;
  gap:12px;
}
.contact__card {
  background: var(--card);
  border:1px solid var(--border);
  border-radius: var(--radius);
  padding:16px;
  display:grid; gap:10px;
}
.contact__links { display:flex; flex-wrap:wrap; gap:8px; }

.contact__form {
  background: var(--card);
  border:1px solid var(--border);
  border-radius: var(--radius);
  padding:16px;
  display:grid; gap:10px;
}
.contact__form label { display:grid; gap:6px; font-weight:700; }
.contact__form input,
.contact__form textarea {
  width:100%;
  padding: 10px 12px;
  border-radius: 12px;
  border:1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  outline:none;
}
.contact__form input:focus,
.contact__form textarea:focus {
  border-color: rgba(34,211,238,0.7);
  box-shadow: 0 0 0 3px rgba(34,211,238,0.12);
}

@media (max-width: 900px){
  .contact__grid { grid-template-columns: 1fr; }
}

/* =========================
   Footer
========================= */
.footer {
  margin-top: 40px;
  padding: 18px 0 30px;
  border-top: 1px solid var(--border);
  display:flex; align-items:center; justify-content:space-between; gap:10px;
  color: var(--muted);
}
.back-to-top {
  height:40px; width:40px;
  display:grid; place-items:center;
  border:1px solid var(--border);
  border-radius:999px;
  background: var(--card);
}