/* ============================================================
   Elias Rodrigues — Portfólio
   Direção: "Backend que entrega ao mundo real"
   Paleta: marinho profundo + âmbar quente (Raio de Luz) + teal técnico
   ============================================================ */

:root {
  --navy-950: #0a131f;
  --navy-900: #0e1a2b;
  --navy-850: rgba(21, 36, 58, 0.44);
  --navy-800: #15243a;
  --navy-700: #1d3252;
  --slate-600: #2a4468;
  --amber: #f5b841;
  --amber-600: #e89c3c;
  --teal: #3ad6c5;
  --teal-700: #1a9e92;
  --ink: #eef4fb;
  --muted: #93a7bd;
  --muted-dim: #6b8299;
  --line: rgba(120, 150, 190, 0.16);

  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --maxw: 1120px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--navy-950);
  color: var(--ink);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ambient background glow */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(700px circle at 12% -5%, rgba(245, 184, 65, 0.09), transparent 45%),
    radial-gradient(600px circle at 90% 8%, rgba(58, 214, 197, 0.07), transparent 40%);
  pointer-events: none;
  z-index: 0;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }

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

/* ---- selection ---- */
::selection { background: var(--amber); color: var(--navy-950); }

/* ============================================================ NAV */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  backdrop-filter: blur(12px);
  background: rgba(10, 19, 31, 0.72);
  border-bottom: 1px solid var(--line);
  transition: transform .35s ease;
}
.nav-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.brand {
  font-family: var(--font-mono); font-weight: 700; font-size: 15px;
  letter-spacing: -.3px; color: var(--ink);
  display: flex; align-items: center; gap: 9px;
}
.brand .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 12px var(--amber); }
.brand .grey { color: var(--muted-dim); }

.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a {
  font-size: 14px; color: var(--muted); font-weight: 500;
  transition: color .2s; position: relative;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -5px; height: 2px; width: 0;
  background: var(--amber); transition: width .25s ease;
}
.nav-links a:hover::after { width: 100%; }

.lang-toggle {
  display: flex; border: 1px solid var(--line); border-radius: 20px; overflow: hidden;
  font-family: var(--font-mono); font-size: 12px;
}
.lang-toggle button {
  background: transparent; color: var(--muted-dim); border: none; cursor: pointer;
  padding: 5px 12px; font-family: inherit; font-size: inherit; font-weight: 600;
  transition: all .2s;
}
.lang-toggle button.active { background: var(--amber); color: var(--navy-950); }

.nav-burger { display: none; background: none; border: none; color: var(--ink); cursor: pointer; }

/* ============================================================ HERO */
.hero { padding: 150px 0 90px; position: relative; }
.hero-grid {
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center;
}
.eyebrow {
  font-family: var(--font-mono); font-size: 13px; color: var(--teal);
  letter-spacing: 1px; margin-bottom: 20px; display: flex; align-items: center; gap: 10px;
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: var(--teal); }

.hero h1 {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2.6rem, 5.2vw, 4.2rem); line-height: 1.02;
  letter-spacing: -1.5px; margin-bottom: 22px;
}
.hero h1 .accent {
  background: linear-gradient(120deg, var(--amber), var(--amber-600));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-sub {
  font-size: 1.12rem; color: var(--muted); max-width: 30em; margin-bottom: 34px;
}
.hero-sub strong { color: var(--ink); font-weight: 600; }

.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.btn {
  font-family: var(--font-body); font-weight: 600; font-size: 15px;
  padding: 13px 24px; border-radius: 10px; cursor: pointer; border: none;
  transition: transform .2s, box-shadow .2s, background .2s; display: inline-flex; align-items: center; gap: 9px;
}
.btn-primary { background: var(--amber); color: var(--navy-950); box-shadow: 0 8px 24px rgba(245, 184, 65, .22); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(245, 184, 65, .32); }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--slate-600); }
.btn-ghost:hover { border-color: var(--amber); color: var(--amber); transform: translateY(-2px); }

.hero-socials { display: flex; gap: 8px; margin-left: 6px; }
.hero-socials a {
  width: 44px; height: 44px; border-radius: 10px; border: 1px solid var(--slate-600);
  display: grid; place-items: center; color: var(--muted); transition: all .2s; font-size: 18px;
}
.hero-socials a:hover { border-color: var(--teal); color: var(--teal); transform: translateY(-2px); }

/* ---- terminal (signature element) ---- */
.terminal {
  background: linear-gradient(160deg, var(--navy-800), var(--navy-900));
  border: 1px solid var(--slate-600); border-radius: 14px; overflow: hidden;
  box-shadow: 0 30px 60px rgba(0, 0, 0, .45); font-family: var(--font-mono);
}
.term-bar {
  background: var(--navy-950); padding: 12px 16px; display: flex; align-items: center; gap: 8px;
  border-bottom: 1px solid var(--line);
}
.term-bar .d { width: 12px; height: 12px; border-radius: 50%; }
.term-bar .r { background: #ff5f56; } .term-bar .y { background: var(--amber); } .term-bar .g { background: var(--teal); }
.term-bar .path { margin-left: 12px; font-size: 12px; color: var(--muted-dim); }
.term-body { padding: 22px 20px; font-size: 13.5px; line-height: 1.9; min-height: 320px; }
.term-body .line { white-space: pre-wrap; }
.term-body .prompt { color: var(--teal); }
.term-body .cmd { color: var(--ink); }
.term-body .comment { color: var(--muted-dim); }
.term-body .key { color: var(--amber); }
.term-body .str { color: #8fd98a; }
.term-body .out { color: var(--muted); }
.cursor {
  display: inline-block; width: 8px; height: 16px; background: var(--amber);
  vertical-align: middle; animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ============================================================ SECTION SHELL */
.section { padding: 90px 0; position: relative; }
.section-head { margin-bottom: 52px; }
.section-num {
  font-family: var(--font-mono); font-size: 13px; color: var(--amber); letter-spacing: 2px;
}
.section-title {
  font-family: var(--font-display); font-weight: 700; font-size: clamp(1.9rem, 3.6vw, 2.7rem);
  letter-spacing: -1px; margin-top: 8px;
}
.section-title .thin { color: var(--muted-dim); font-weight: 400; }

/* ============================================================ ABOUT + SKILLS */
.about-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 60px; }
.about-text p { color: var(--muted); margin-bottom: 18px; font-size: 1.05rem; }
.about-text p strong { color: var(--ink); font-weight: 600; }
.about-text .highlight { color: var(--amber); font-weight: 600; }

.stats { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }
.stat {
  border: 1px solid var(--line); border-radius: 12px; padding: 16px 20px; background: var(--navy-850);
  flex: 1; min-width: 130px;
}
.stat .n { font-family: var(--font-display); font-size: 1.9rem; font-weight: 700; color: var(--amber); line-height: 1; }
.stat .l { font-size: .82rem; color: var(--muted-dim); margin-top: 8px; }

.skills-panel {
  border: 1px solid var(--line); border-radius: 16px; padding: 26px; background: var(--navy-850);
}
.skills-panel h4 {
  font-family: var(--font-mono); font-size: 12px; color: var(--muted-dim); letter-spacing: 1px;
  text-transform: uppercase; margin-bottom: 14px;
}
.skills-panel h4:not(:first-child) { margin-top: 24px; }
.chips { display: flex; flex-wrap: wrap; gap: 9px; }
.chip {
  font-family: var(--font-mono); font-size: 12.5px; padding: 7px 13px; border-radius: 8px;
  background: var(--navy-800); border: 1px solid var(--line); color: var(--ink);
  transition: all .2s; cursor: default;
}
.chip:hover { border-color: var(--teal); color: var(--teal); transform: translateY(-2px); }
.chip.hot { border-color: rgba(245, 184, 65, .4); color: var(--amber); }

/* ============================================================ PROJECTS */
.projects-stack { display: flex; flex-direction: column; gap: 40px; }
.project {
  display: grid; grid-template-columns: 1.15fr 1fr; gap: 40px; align-items: center;
  border: 1px solid var(--line); border-radius: 18px; padding: 22px;
  background: linear-gradient(150deg, var(--navy-850), transparent);
  transition: border-color .3s, transform .3s;
}
.project:hover { border-color: var(--slate-600); transform: translateY(-3px); }
.project:nth-child(even) .project-media { order: 2; }

.project-media {
  border-radius: 12px; overflow: hidden; border: 1px solid var(--line);
  box-shadow: 0 20px 40px rgba(0, 0, 0, .35); background: var(--navy-900);
}
.project-media img { width: 100%; display: block; }

.project-body { padding: 8px 14px; }
.project-status {
  display: inline-flex; align-items: center; gap: 7px; font-family: var(--font-mono);
  font-size: 11.5px; padding: 5px 11px; border-radius: 20px; margin-bottom: 16px; font-weight: 600;
}
.status-live { background: rgba(58, 214, 197, .12); color: var(--teal); border: 1px solid rgba(58, 214, 197, .3); }
.status-live .pulse {
  width: 7px; height: 7px; border-radius: 50%; background: var(--teal);
  box-shadow: 0 0 0 0 rgba(58, 214, 197, .6); animation: pulse 1.8s infinite;
}
@keyframes pulse { 70% { box-shadow: 0 0 0 8px rgba(58, 214, 197, 0); } 100% { box-shadow: 0 0 0 0 rgba(58, 214, 197, 0); } }
.status-repo { background: rgba(147, 167, 189, .1); color: var(--muted); border: 1px solid var(--line); }

.project-body h3 {
  font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; letter-spacing: -.5px; margin-bottom: 6px;
}
.project-tagline { color: var(--muted-dim); font-size: .92rem; margin-bottom: 16px; font-family: var(--font-mono); }
.project-body p.desc { color: var(--muted); font-size: 1rem; margin-bottom: 18px; }

.tech-row { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 22px; }
.tech {
  font-family: var(--font-mono); font-size: 11.5px; color: var(--muted);
  padding: 4px 10px; border-radius: 6px; background: var(--navy-800); border: 1px solid var(--line);
}
.project-links { display: flex; gap: 12px; flex-wrap: wrap; }
.plink {
  display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600;
  padding: 10px 18px; border-radius: 9px; transition: all .2s;
}
.plink-primary { background: var(--amber); color: var(--navy-950); }
.plink-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(245, 184, 65, .28); }
.plink-ghost { border: 1px solid var(--slate-600); color: var(--ink); }
.plink-ghost:hover { border-color: var(--teal); color: var(--teal); }

/* ============================================================ EXPERIENCE */
.exp-item {
  display: grid; grid-template-columns: 180px 1fr; gap: 30px;
  padding: 30px 0; border-top: 1px solid var(--line);
}
.exp-meta { font-family: var(--font-mono); }
.exp-date { font-size: 13px; color: var(--amber); margin-bottom: 8px; }
.exp-badge {
  display: inline-block; font-size: 11px; padding: 4px 10px; border-radius: 6px;
  background: rgba(245, 184, 65, .1); color: var(--amber); border: 1px solid rgba(245, 184, 65, .25);
}
.exp-body h3 { font-family: var(--font-display); font-size: 1.35rem; font-weight: 600; margin-bottom: 4px; }
.exp-company { color: var(--teal); font-size: .95rem; margin-bottom: 14px; font-family: var(--font-mono); }
.exp-body p { color: var(--muted); margin-bottom: 12px; }
.exp-tags { display: flex; flex-wrap: wrap; gap: 7px; }

/* ============================================================ CONTACT */
.contact { text-align: center; padding: 100px 0; }
.contact .section-num { display: block; margin-bottom: 12px; }
.contact h2 {
  font-family: var(--font-display); font-weight: 700; font-size: clamp(2.2rem, 5vw, 3.6rem);
  letter-spacing: -1.5px; margin-bottom: 20px;
}
.contact h2 .accent {
  background: linear-gradient(120deg, var(--amber), var(--amber-600));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.contact p { color: var(--muted); font-size: 1.15rem; max-width: 36em; margin: 0 auto 36px; }
.contact-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ============================================================ FOOTER */
.footer {
  border-top: 1px solid var(--line); padding: 30px 0; margin-top: 40px;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px;
}
.footer .brand { font-size: 14px; }
.footer p { color: var(--muted-dim); font-size: 13px; font-family: var(--font-mono); }
.footer-socials { display: flex; gap: 16px; }
.footer-socials a { color: var(--muted-dim); font-size: 18px; transition: color .2s; }
.footer-socials a:hover { color: var(--amber); }

/* ============================================================ CERTIFICATIONS */
.certs-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px;
}
.cert-card {
  display: flex; align-items: center; gap: 18px; text-decoration: none;
  border: 1px solid var(--line); border-radius: 14px; padding: 22px;
  background: linear-gradient(150deg, var(--navy-850), transparent);
  transition: border-color .3s, transform .3s, box-shadow .3s; position: relative; overflow: hidden;
}
.cert-card::after {
  content: ""; position: absolute; inset: 0; background: linear-gradient(120deg, transparent, rgba(245,184,65,.05));
  opacity: 0; transition: opacity .3s;
}
.cert-card:hover { border-color: var(--slate-600); transform: translateY(-3px); box-shadow: 0 16px 34px rgba(0,0,0,.32); }
.cert-card:hover::after { opacity: 1; }
.cert-icon {
  flex-shrink: 0; width: 54px; height: 54px; border-radius: 12px; display: grid; place-items: center;
  font-size: 22px; position: relative; z-index: 1;
}
.cert-icon.gold { background: rgba(245,184,65,.12); color: var(--amber); border: 1px solid rgba(245,184,65,.3); }
.cert-icon.teal { background: rgba(58,214,197,.1); color: var(--teal); border: 1px solid rgba(58,214,197,.28); }
.cert-info { flex: 1; z-index: 1; }
.cert-info h3 { font-family: var(--font-display); font-size: 1.08rem; font-weight: 600; margin-bottom: 3px; line-height: 1.25; }
.cert-issuer { font-family: var(--font-mono); font-size: .78rem; color: var(--muted-dim); }
.cert-badge-tag {
  display: inline-block; font-family: var(--font-mono); font-size: 10.5px; font-weight: 600;
  padding: 3px 9px; border-radius: 5px; margin-top: 9px;
  background: rgba(245,184,65,.1); color: var(--amber); border: 1px solid rgba(245,184,65,.25);
}
.cert-view {
  flex-shrink: 0; font-family: var(--font-mono); font-size: 12px; color: var(--muted);
  display: flex; align-items: center; gap: 6px; z-index: 1; transition: color .2s;
}
.cert-card:hover .cert-view { color: var(--amber); }

/* ============================================================ REVEAL ANIM */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ============================================================ RESPONSIVE */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .hero { padding: 120px 0 60px; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .project, .project:nth-child(even) .project-media { grid-template-columns: 1fr; }
  .project:nth-child(even) .project-media { order: 0; }
  .exp-item { grid-template-columns: 1fr; gap: 12px; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--navy-900); padding: 20px 24px; gap: 18px; border-bottom: 1px solid var(--line);
  }
  .nav-burger { display: block; }
}
@media (max-width: 520px) {
  .wrap { padding: 0 18px; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-socials { justify-content: center; margin: 4px 0 0; }
  .btn { justify-content: center; }
  .stats { flex-direction: column; }
  .term-body { font-size: 12px; }
}

/* reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}