/* =====================================================
   TEMA E RESET
   - Variáveis de cor, tipografia e tokens de design
   - Reset básico, containers e utilitários
   - Breakpoints principais: 1024px, 720px, 480px, 360px
   ===================================================== */
:root{
  --brand:#38b6ff;
  --bg:#0b0f14;
  --bg-2:#0f141b;
  --text:#e6edf3;
  --muted:#a4b1c0;
  --card:#111722;
  --card-2:#121a26;
  --accent: #7dd3fc;
  --radius:16px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --font-1:"Poppins", system-ui, -apple-system, Segoe UI, Roboto, Inter, Ubuntu, Cantarell, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  --font-2:"Inter", system-ui, -apple-system, Segoe UI, Roboto, Inter, Ubuntu, Cantarell, "Helvetica Neue", Arial, "Noto Sans";
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-1);
  color:var(--text);
  background: radial-gradient(1200px 800px at 10% -10%, rgba(56,182,255,.12), transparent 50%),
              radial-gradient(1100px 700px at 110% 10%, rgba(125,211,252,.10), transparent 50%),
              var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none;margin:0;padding:0}

.container{width:min(1160px, 92%);margin-inline:auto}
.grid{display:grid;gap:2rem}
.two-cols{grid-template-columns:repeat(2, minmax(0,1fr))}

.section{padding:6rem 0}
.section-title{font-size:clamp(1.6rem, 1.2rem + 1.6vw, 2.4rem);margin:0 0 2rem;font-weight:800;letter-spacing:.4px}
.subheading{margin:1rem 0 1rem;font-weight:700;color:var(--muted)}
.lead{color:var(--muted);max-width:900px}

/* ===================== HEADER ===================== */
/* Cabeçalho fixo transparente que ganha blur e sombra ao rolar */
.header{
  position:fixed;inset:0 0 auto;z-index:50;
  background:transparent;
  transition:background .3s ease, box-shadow .3s ease, backdrop-filter .3s ease;
}
.header.scrolled{
  background:rgba(10,14,20,.65);
  backdrop-filter:saturate(140%) blur(8px);
  box-shadow:0 6px 20px rgba(0,0,0,.25);
}
.header .container{display:flex;align-items:center;justify-content:space-between;padding:1rem 0}
.logo{display:flex;align-items:center;gap:.6rem;font-weight:800;letter-spacing:.8px}
.logo-icon{display:grid;place-items:center;width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg, var(--brand), #20a4ff 60%, #0ea5e9)}
.logo-icon span{font-weight:900;color:#001018}
.logo-text{font-weight:900}

.nav-toggle{display:none;position:relative;width:42px;height:42px;border:0;background:transparent;cursor:pointer}
.nav-toggle .bar{position:absolute;left:10px;right:10px;height:2px;background:var(--text);transition:transform .3s,opacity .3s;}
.nav-toggle .bar:nth-child(1){top:12px}
.nav-toggle .bar:nth-child(2){top:20px}
.nav-toggle .bar:nth-child(3){top:28px}
.nav.open .nav-toggle .bar:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav.open .nav-toggle .bar:nth-child(2){opacity:0}
.nav.open .nav-toggle .bar:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

.menu-list{display:flex;gap:2rem;align-items:center}
.menu a{opacity:.9;position:relative;padding:.5rem .25rem}
.menu a::after{content:"";position:absolute;left:0;right:100%;bottom:-6px;height:2px;background:var(--brand);transition:right .3s}
.menu a:hover::after{right:0}
.menu-close{display:none}

/* ===================== HOME ===================== */
/* Hero com nome, efeito de digitação, CTAs e foto circular */
.home{padding-top:calc(84px + 4rem)}
.home .two-cols{align-items:center}
.greet{color:var(--muted);margin:0 0 .25rem}
.title{font-size:clamp(2rem, 1.2rem + 3vw, 3.2rem);margin:.2rem 0 .6rem;font-weight:900}
.subtitle{font-size:clamp(1.1rem, .9rem + 1vw, 1.6rem);font-weight:600;color:var(--muted)}
.typing{color:var(--brand)}

.cta-group{display:flex;flex-wrap:wrap;gap:1rem;margin-top:1.5rem}
.cta-group.center{justify-content:center}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:.9rem 1.2rem;border-radius:12px;font-weight:700;letter-spacing:.3px;border:2px solid transparent;transition:transform .2s ease, box-shadow .2s ease, background .2s ease,border-color .2s}
.btn:hover{transform:translateY(-2px)}
.btn.primary{background:linear-gradient(135deg, var(--brand), #20a4ff);color:#001018;box-shadow:0 10px 24px rgba(56,182,255,.25)}
.btn.outline{border-color:#194154;background:transparent;color:var(--text)}
.btn.large{padding:1.1rem 1.4rem;font-size:1.05rem}

.home-photo-wrap{display:grid;place-items:center}
.photo-circle{width:min(320px, 70vw);aspect-ratio:1/1;border-radius:50%;padding:10px;background:
  conic-gradient(from 180deg at 50% 50%, rgba(56,182,255,.25), transparent 30%, rgba(56,182,255,.25) 60%, transparent),
  radial-gradient(600px 300px at 50% -20%, rgba(56,182,255,.25), transparent 60%);
  box-shadow:0 20px 50px rgba(0,0,0,.5);
}
.photo-circle img{width:100%;height:100%;object-fit:cover;border-radius:50%;filter:saturate(1.05) contrast(1.05)}

/* ===================== HABILIDADES (CARDS) ===================== */
/* Cards com efeito reveal via classe .revealed (IntersectionObserver no JS) */
.skills .cards{display:grid;grid-template-columns:repeat(3, minmax(0,1fr));gap:1.2rem}
.card{background:linear-gradient(180deg, var(--card), var(--card-2));border:1px solid #182334;border-radius:var(--radius);padding:1.2rem;box-shadow:var(--shadow);transform:translateY(10px);opacity:0;transition:transform .6s cubic-bezier(.2,.6,.2,1), opacity .6s ease}
.card h3{margin:.2rem 0 .4rem}
.card p{color:var(--muted)}
.card.revealed{transform:translateY(0);opacity:1}

/* ===================== SOBRE ===================== */
.about .about-photo{order:-1}
.about .about-photo img{border-radius:20px;box-shadow:var(--shadow)}
.about .about-content p{color:var(--muted)}
.about .about-content p + p{margin-top:1rem}

/* ===================== TECNOLOGIAS (BARRAS) ===================== */
/* Barras possuem span interno que recebe width por JS quando entram na viewport */
.skills-bars{display:grid;gap:.9rem;margin-top:.5rem}
.bar-item{display:grid;grid-template-columns:120px 1fr 56px;gap:.8rem;align-items:center}
.bar{background:#0e1722;border:1px solid #1b2a3a;border-radius:999px;overflow:hidden;height:12px}
.bar span{display:block;width:0;height:100%;background:linear-gradient(90deg, var(--brand), #20a4ff);box-shadow:0 0 14px rgba(56,182,255,.5) inset;transition:width 1.2s ease}
.bar-item .value{justify-self:end;color:var(--muted)}

/* ===================== PROJETOS (DESTAQUES) ===================== */
.featured{display:grid;grid-template-columns:repeat(3, minmax(0,1fr));gap:1.2rem;margin-bottom:2rem}
.featured-card{background:linear-gradient(180deg, #0f1722, #0f1722);border:1px solid #182334;border-radius:18px;overflow:hidden;box-shadow:var(--shadow);transform:translateY(10px);opacity:0;transition:transform .6s, opacity .6s}
.featured-card.revealed{transform:translateY(0);opacity:1}
.featured-card img{width:100%;height:auto;aspect-ratio:3/2;object-fit:cover}
.featured-card .content{padding:1rem}
.featured-card .content p{color:var(--muted)}

/* ===================== CARROSSEL (ESTILO NETFLIX) ===================== */
/* Auto-scroll suave no JS; pausa no hover */
.carousel{position:relative}
.track{display:flex;gap:1rem;overflow:auto;scrollbar-width:none}
.track::-webkit-scrollbar{display:none}
.proj-card{flex:0 0 260px;background:linear-gradient(180deg, var(--card), var(--card-2));border:1px solid #182334;border-radius:16px;overflow:hidden;box-shadow:var(--shadow);transition:transform .2s}
.proj-card:hover{transform:translateY(-4px)}
.proj-card img{width:100%;height:auto;aspect-ratio:3/2;object-fit:cover}
.proj-card .info{padding:.8rem}
.proj-card .info span{color:var(--muted);display:inline-flex;gap:6px;align-items:center}
.proj-card .info span i{font-size:16px}

/* ===================== CONTATO & RODAPÉ ===================== */
.contact .contact-grid{display:grid;grid-template-columns:repeat(3, minmax(0,1fr));gap:1rem;margin:1.5rem 0}
.contact .contact-item{background:linear-gradient(180deg, var(--card), var(--card-2));border:1px solid #182334;border-radius:16px;padding:1rem}
.footer{border-top:1px solid #182334;background:#0b1017;padding:1.4rem 0;color:var(--muted)}

/* Contato: destaque visual */
.contact{position:relative;overflow:hidden}
.contact .spotlight{position:absolute;inset:-20%;pointer-events:none;background:
  radial-gradient(600px 600px at var(--mx,50%) var(--my,50%), rgba(56,182,255,.12), transparent 60%),
  conic-gradient(from 0deg at 50% 50%, rgba(56,182,255,.08), transparent 20%, rgba(125,211,252,.06) 40%, transparent 60%, rgba(56,182,255,.05) 80%, transparent);
  filter: blur(2px);
  opacity:.0;transition:opacity .6s ease;
}
.contact.inview .spotlight{opacity:.9}
.availability-pill{display:inline-block;margin-bottom:.6rem;border:1px solid #173043;border-radius:999px;padding:.35rem .8rem;background:#0c1420;color:var(--accent);font-weight:700;letter-spacing:.3px}
.pulse{position:relative}
.pulse::after{content:"";position:absolute;inset:-6px;border-radius:14px;border:2px solid rgba(56,182,255,.35);animation:pulse 1.8s infinite ease-out}
@keyframes pulse{0%{opacity:.8;transform:scale(1)}100%{opacity:0;transform:scale(1.15)}}
.contact-badges{display:flex;flex-wrap:wrap;gap:.6rem;justify-content:center;margin-top:1rem}
.contact-badges .badge{display:inline-flex;align-items:center;gap:.4rem;border:1px solid #173043;background:#0c1420;border-radius:999px;padding:.5rem .8rem;color:var(--text);opacity:.9;transition:transform .2s, opacity .2s}
.contact-badges .badge:hover{transform:translateY(-2px);opacity:1}
.contact-badges .ico{display:inline-grid;place-items:center;width:18px;height:18px;border-radius:4px;background:linear-gradient(135deg, var(--brand), #20a4ff);color:#001018;font-size:.75rem;font-weight:900}

/* ===================== FUNDO (CANVAS DE PARTÍCULAS) ===================== */
#bg-particles{position:fixed;inset:0;z-index:-1}

/* ===================== MODAL DE PROJETO ===================== */
/* Mostrado ao clicar em cards: título, ícones, vídeo (opcional) e links */
.modal{position:fixed;inset:0;display:grid;place-items:center;z-index:60;pointer-events:none}
.modal[aria-hidden="true"]{opacity:0}
.modal[aria-hidden="false"]{opacity:1}
.modal-overlay{position:absolute;inset:0;background:rgba(5,10,16,.6);backdrop-filter:blur(6px);opacity:0;transition:opacity .25s}
.modal[aria-hidden="false"] .modal-overlay{opacity:1;pointer-events:auto}
.modal-content{position:relative;width:min(860px, 92vw);max-height:86vh;overflow:auto;background:linear-gradient(180deg, #0f1722, #0f1722);border:1px solid #183043;border-radius:20px;box-shadow:0 20px 60px rgba(0,0,0,.5);padding:1.4rem;transform:translateY(12px) scale(.98);opacity:0;transition:transform .25s ease, opacity .25s ease}
.modal[aria-hidden="false"] .modal-content{transform:translateY(0) scale(1);opacity:1;pointer-events:auto}
.modal-title{margin:.2rem 0 .6rem;font-weight:800}
.modal-desc{color:var(--muted)}
.modal-close{position:absolute;top:10px;right:12px;width:40px;height:40px;border-radius:10px;border:1px solid #1b2a3a;background:#0e1722;color:var(--text);font-size:1.3rem;cursor:pointer}
.tech-icons{display:flex;flex-wrap:wrap;gap:.5rem;margin:.6rem 0 1rem}
.tech-icons .badge{display:inline-flex;align-items:center;gap:.4rem;border:1px solid #173043;border-radius:999px;padding:.35rem .6rem;background:#0c1420}
.tech-icons svg{width:16px;height:16px}
.tech-icons i{font-size:16px;line-height:1}
.modal-media{position:relative;border:1px solid #173043;border-radius:16px;overflow:hidden;background:#0b121b;margin:.6rem 0 1rem}
.modal-media::before{content:"";display:block;aspect-ratio:16/9}
.modal-media > iframe,.modal-media > video{position:absolute;inset:0;width:100%;height:100%;border:0}

/* ===================== BOTÃO VOLTAR AO TOPO ===================== */
.back-to-top{position:fixed;right:18px;bottom:20px;width:48px;height:48px;border-radius:999px;border:1px solid #183043;background:linear-gradient(135deg, var(--brand), #20a4ff);color:#001018;display:grid;place-items:center;box-shadow:0 12px 28px rgba(56,182,255,.25);cursor:pointer;z-index:70;opacity:0;transform:translateY(8px);pointer-events:none;transition:opacity .25s, transform .25s}
.back-to-top svg{width:22px;height:22px}
.back-to-top.show{opacity:1;transform:translateY(0);pointer-events:auto}

/* ===================== UTILITÁRIOS & ACESSIBILIDADE ===================== */
.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}

/* ===================== RESPONSIVO ===================== */
/* 1024px: colunas viram 1; 852px: menu mobile; 480/360: ajustes de grid/CTA */
@media (max-width: 1024px){
  .two-cols{grid-template-columns:1fr}
  .about .about-photo{order:0}
  .featured{grid-template-columns:repeat(2, minmax(0,1fr))}
  .skills .cards{grid-template-columns:repeat(2, minmax(0,1fr))}
  .contact .contact-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
}

@media (max-width: 852px){
  /* Drawer lateral */
  .nav{position:relative;z-index:90}
  .nav-overlay{position:fixed;inset:0;background:rgba(5,10,16,.65);backdrop-filter:blur(4px);opacity:0;pointer-events:none;transition:opacity .25s;z-index:80}
  .nav.open .nav-overlay{opacity:1;pointer-events:auto}
  .menu{position:fixed;top:0;left:0;right:0;bottom:0;height:100vh;width:100vw;display:flex;flex-direction:column;gap:0;padding:12px 14px 14px;background:#0b1017;box-shadow:none;transform:translateX(100%);transition:transform .35s ease;z-index:81}
  .nav.open .menu{transform:translateX(0)}
  .nav-toggle{display:block}
  .menu-header{display:flex;align-items:center;justify-content:space-between;padding:6px 4px 10px}
  .logo.mini .logo-icon{width:28px;height:28px;border-radius:8px}
  .logo.mini .logo-text{font-size:1rem}
  .menu-list{display:grid;gap:.25rem;padding:6px 0;margin:0}
  .menu-list li{border-bottom:1px solid #182334}
  .menu-list li:last-child{border-bottom:0}
  .menu a{padding:.65rem .6rem;border-radius:10px;line-height:1.25;font-size:1.02rem;display:block}
  .menu a:hover{background:#0e1622}
  .menu-close{display:block;width:40px;height:40px;border-radius:12px;border:1px solid #1b2a3a;background:#0e1722;color:var(--text);font-size:1.3rem;cursor:pointer}
}

@media (max-width: 480px){
  .section{padding:4.5rem 0}
  .featured{grid-template-columns:1fr}
  .skills .cards{grid-template-columns:1fr}
  .contact .contact-grid{grid-template-columns:1fr}
}

@media (max-width: 360px){
  .btn{width:100%}
}