/* style.css
   Estilos principais do site — design moderno, cores em azul escuro, azul claro e branco.
*/

:root{
  /* Tema escuro (cores principais ajustadas) */
  --blue-dark: #e6f0fb;   /* texto principal claro */
  --blue: #58a6d8;        /* azul claro para destaques */
  --blue-light: #8fc7ee;  /* variação de azul para hover */
  --bg: #071226;          /* fundo geral muito escuro */
  --surface: #0b2030;     /* superfícies de cards/header */
  --muted: #98a9bb;       /* texto secundário */
  --radius: 12px;
}

/* Reset simples */
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Inter,system-ui,Arial,sans-serif;color:var(--blue-dark);background:var(--bg);}
img{max-width:100%;height:auto}

.container{width:95%;max-width:1100px;margin:0 auto}

/* Header / Nav */
.site-header{position:sticky;top:0;background:linear-gradient(180deg, rgba(7,18,38,0.6), rgba(7,18,38,0.4));backdrop-filter: blur(6px);border-bottom:1px solid rgba(255,255,255,0.04);z-index:40}
.nav-row{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{font-weight:700;color:var(--blue-dark);text-decoration:none;font-size:1.05rem}

.nav ul{list-style:none;margin:0;padding:0;display:flex;gap:20px}
.nav a{color:var(--blue-dark);text-decoration:none;padding:8px 6px;border-radius:8px}
.nav a:hover{background:rgba(88,166,216,0.08)}

.menu-btn{display:none;background:none;border:0;color:var(--blue-dark);padding:6px;border-radius:8px}

/* Hero */
.hero{padding:56px 0}
.hero-inner{display:grid;grid-template-columns:1fr 420px;gap:28px;align-items:center}
.hero-text h1{font-size:2.05rem;margin:0}
.subtitle{color:var(--blue);font-weight:600;margin-top:8px}
.lead{color:var(--muted);margin-top:12px;line-height:1.5}
.hero-actions{margin-top:18px;display:flex;gap:12px}

.btn{display:inline-block;padding:10px 16px;border-radius:10px;text-decoration:none;font-weight:600}
.btn.primary{background:linear-gradient(180deg,var(--blue),var(--blue-light));color:var(--bg);box-shadow:0 8px 18px rgba(11,102,163,0.12)}
.btn.primary:hover{filter:brightness(1.05)}
.btn.ghost{background:transparent;color:var(--blue);border:1px solid rgba(143,199,238,0.12)}

.hero-visual{display:flex;justify-content:center}
.hero-svg{max-width:100%;height:220px;opacity:0.95}

/* Sections */
.section{padding:48px 0}
.section h2{margin:0 0 10px 0;font-size:1.4rem}
.section-lead{color:var(--muted);margin-bottom:18px}

/* Cards grid */
.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:18px}
.card{background:var(--surface);border-radius:var(--radius);padding:18px;box-shadow:0 6px 18px rgba(2,8,12,0.6);transition:transform .22s ease, box-shadow .22s ease;color:var(--blue-dark)}
.card:hover{transform:translateY(-6px);box-shadow:0 22px 44px rgba(2,8,12,0.6)}
.card-icon{font-size:28px;margin-bottom:8px}

/* Projects */
.projects-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:18px}
.project-card{background:var(--surface);padding:16px;border-radius:12px;box-shadow:0 6px 18px rgba(2,8,12,0.6);color:var(--blue-dark)}
.project-tags{color:var(--muted);font-size:0.9rem;margin-top:12px}

/* Contact form */
.contact-form{background:linear-gradient(180deg, rgba(11,102,163,0.02), rgba(11,102,163,0.005));padding:18px;border-radius:12px}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
label{display:block;font-size:0.95rem;color:var(--blue-dark)}
input,textarea{width:100%;padding:10px;border-radius:8px;border:1px solid rgba(255,255,255,0.06);margin-top:6px;background:transparent;color:var(--blue-dark)}
label.full{grid-column:1/-1}
.form-actions{display:flex;align-items:center;gap:12px;margin-top:12px}
.form-status{color:var(--blue-light);font-weight:600}

/* Footer */
.site-footer{border-top:1px solid rgba(255,255,255,0.04);padding:18px 0;background:transparent}
.footer-row{display:flex;justify-content:space-between;align-items:center}
.socials a{margin-left:12px;color:var(--blue-light);text-decoration:none}

/* Responsividade */
@media (max-width:900px){
  .hero-inner{grid-template-columns:1fr}
  .nav ul{gap:12px}
}

@media (max-width:720px){
  .nav{position:fixed;inset:64px 0 auto 0;background:var(--surface);transform:translateY(-120%);transition:transform .28s ease;box-shadow:0 6px 20px rgba(2,8,12,0.6)}
  .nav.open{transform:translateY(0)}
  .nav ul{flex-direction:column;padding:18px}
  .menu-btn{display:inline-block}
  .cards-grid{grid-template-columns:1fr}
  .projects-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
}

/* Animações ao rolar (classe .reveal + .in-view) */
.reveal{opacity:0;transform:translateY(10px);transition:opacity .6s ease, transform .6s ease}
.reveal.in-view{opacity:1;transform:none}

/* Pequeno ajuste visual para contraste e legibilidade */
h1, h2, h3{color:var(--blue-dark)}