/* ===========================================================
   Jeferson Araujo — Portfólio (Rebrand 2026)
   Direção: tech noir. Fundo escuro, azul→roxo, vidro, grade,
   rótulos em mono e um terminal como assinatura visual.
   =========================================================== */

:root {
  --bg-deep: #05070C;
  --bg-body: #080A12;
  --surface: #0F121C;
  --surface-2: #151929;
  --surface-glass: rgba(12, 14, 22, 0.72);
  --border: #1B1F30;
  --border-light: rgba(124, 155, 255, 0.16);

  --text: #F0F2F8;
  --text-2: #A3ACBB;
  --text-3: #6B7384;

  --accent: #7C9BFF;
  --accent-soft: rgba(124, 155, 255, 0.10);
  --accent-glow: rgba(124, 155, 255, 0.28);
  --purple: #A78BFA;
  --green: #34D399;
  --amber: #FBBF24;
  --grad: linear-gradient(120deg, #7C9BFF 0%, #A78BFA 100%);

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

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --radius: 14px;
  --radius-lg: 22px;
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 8px);
}

body {
  background: var(--bg-body);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.05;
}

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

::selection { background: var(--accent); color: var(--bg-deep); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(18px, 4vw, 32px);
}

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--grad); color: var(--bg-deep);
  padding: 0.75rem 1.25rem; z-index: 2000; font-weight: 600;
}
.skip-link:focus { left: 0; }

.gradient-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---------- Fundo ---------- */
.bg-canvas { position: fixed; inset: 0; z-index: -2; overflow: hidden; }

.bg-sphere { position: absolute; border-radius: 50%; filter: blur(120px); pointer-events: none; }
.bg-sphere-1 { width: 620px; height: 620px; background: var(--accent); opacity: 0.14; top: -220px; left: -200px; animation: float1 22s ease-in-out infinite; }
.bg-sphere-2 { width: 460px; height: 460px; background: var(--purple); opacity: 0.13; bottom: -160px; right: -140px; animation: float2 26s ease-in-out infinite; }
.bg-sphere-3 { width: 320px; height: 320px; background: var(--green); opacity: 0.05; top: 55%; left: 45%; animation: float2 19s ease-in-out infinite reverse; }

@keyframes float1 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(80px,60px) scale(1.12); } }
@keyframes float2 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-60px,-50px) scale(1.15); } }

.bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(124,155,255,0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(124,155,255,0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 35%, #000 25%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 35%, #000 25%, transparent 75%);
}

#particleCanvas { position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: 0.5; }

.cursor-glow {
  position: fixed; width: 340px; height: 340px; border-radius: 50%;
  background: radial-gradient(circle, rgba(124,155,255,0.09), transparent 70%);
  pointer-events: none; z-index: 9999;
  transform: translate(-50%, -50%);
  opacity: 0; transition: opacity 0.3s;
}
html:not(.cursor-disabled) .cursor-glow.is-on { opacity: 1; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 1000;
  border-bottom: 1px solid transparent;
  transition: background 300ms var(--ease), border-color 300ms var(--ease), box-shadow 300ms var(--ease);
}
.site-header.is-scrolled {
  background: var(--surface-glass);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom-color: var(--border);
  box-shadow: 0 8px 40px rgba(0,0,0,0.25);
}

.nav { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }

.brand { display: inline-flex; align-items: center; gap: 0.7rem; }
.brand-mark {
  display: inline-grid; place-items: center;
  width: 38px; height: 38px; border-radius: 11px;
  background: var(--bg-deep);
  color: var(--accent);
  border: 1px solid var(--border-light);
  box-shadow: 0 0 22px var(--accent-glow), inset 0 0 14px rgba(124,155,255,0.10);
}
.brand-mark--sm { width: 32px; height: 32px; border-radius: 9px; box-shadow: none; }
.brand-name { font-family: var(--font-mono); font-size: 0.95rem; font-weight: 500; letter-spacing: -0.02em; }
.brand-sep { color: var(--accent); }

@media (max-width: 420px) { .site-header .brand-name { display: none; } }

.nav-links { display: flex; align-items: center; gap: 0.25rem; }
.nav-links > a {
  position: relative;
  font-size: 0.9rem; font-weight: 500; color: var(--text-2);
  padding: 0.5rem 0.9rem; border-radius: 10px;
  transition: color 200ms, background 200ms;
}
.nav-links > a:hover, .nav-links > a.is-active { color: var(--text); background: var(--accent-soft); }
.nav-idx { font-family: var(--font-mono); font-size: 0.68rem; color: var(--accent); margin-right: 0.45rem; opacity: 0.8; }

.nav-actions { display: flex; align-items: center; gap: 0.5rem; margin-left: 0.75rem; }
.nav-cta { font-size: 0.85rem; padding: 0.5rem 1rem; }
.nav-github {
  display: inline-grid; place-items: center; width: 38px; height: 38px;
  border: 1px solid var(--border); border-radius: 10px; color: var(--text-2);
  transition: color 200ms, border-color 200ms, transform 200ms, box-shadow 200ms;
}
.nav-github:hover { color: var(--accent); border-color: var(--accent); transform: translateY(-2px); box-shadow: 0 0 20px var(--accent-glow); }

.nav-toggle {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 42px; height: 42px; background: transparent;
  border: 1px solid var(--border); border-radius: 10px; cursor: pointer;
}
.nav-toggle span { display: block; width: 18px; height: 2px; margin: 0 auto; background: var(--text); border-radius: 1px; transition: transform 250ms var(--ease), opacity 250ms; }
.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); }

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed; top: var(--header-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: rgba(8,10,18,0.98);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    max-height: 0; overflow: hidden;
    transition: max-height 400ms var(--ease);
  }
  .nav-links.is-open { max-height: 420px; }
  .nav-links > a { padding: 0.95rem clamp(18px, 4vw, 32px); border-bottom: 1px solid var(--border); border-radius: 0; font-size: 1rem; }
  .nav-actions { margin: 0; padding: 1rem clamp(18px, 4vw, 32px) 1.4rem; }
  .nav-actions .nav-cta { flex: 1; justify-content: center; }
}

/* ---------- Botões ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.55rem;
  padding: 0.7rem 1.4rem; border-radius: 12px;
  font-weight: 600; font-size: 0.9rem; border: 1px solid transparent;
  white-space: nowrap; cursor: pointer;
  transition: transform 250ms var(--ease), box-shadow 250ms var(--ease), background 250ms, border-color 250ms;
}
.btn-lg { padding: 0.9rem 1.8rem; font-size: 1rem; }
.btn-primary { background: var(--grad); color: var(--bg-deep); box-shadow: 0 0 24px var(--accent-glow); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 36px var(--accent-glow); }
.btn-glass { background: var(--accent-soft); color: var(--accent); border-color: var(--border-light); backdrop-filter: blur(6px); }
.btn-glass:hover { background: rgba(124,155,255,0.18); border-color: var(--accent); transform: translateY(-2px); }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; padding-top: var(--header-h); overflow: hidden; }

.hero-grid {
  display: grid; grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 5vw, 4.5rem); align-items: center; width: 100%;
}
@media (max-width: 991px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
}

.hero-tag {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--accent); background: var(--accent-soft);
  border: 1px solid var(--border-light); border-radius: 999px;
  padding: 0.4rem 0.9rem; margin-bottom: 1.6rem;
}
.live-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px var(--green); animation: blink 2s ease-in-out infinite; }
@keyframes blink { 50% { opacity: 0.3; } }

.hero-title { font-size: clamp(2.6rem, 6.4vw, 5rem); line-height: 1; margin-bottom: 1.4rem; }
.hero-desc { color: var(--text-2); font-size: clamp(1rem, 1.3vw, 1.12rem); max-width: 50ch; margin-bottom: 2.2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; }
@media (max-width: 575px) {
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
}

/* Terminal */
.terminal {
  background: rgba(10, 12, 20, 0.85);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: 0 0 60px rgba(124,155,255,0.12), 0 30px 80px rgba(0,0,0,0.45);
  backdrop-filter: blur(10px);
  overflow: hidden;
  animation: bob 7s ease-in-out infinite;
}
@keyframes bob { 50% { transform: translateY(-10px); } }

.terminal-bar { display: flex; align-items: center; gap: 7px; padding: 0.8rem 1rem; border-bottom: 1px solid var(--border); background: rgba(255,255,255,0.02); }
.tdot { width: 11px; height: 11px; border-radius: 50%; }
.tdot-r { background: #FF5F57; } .tdot-y { background: #FEBC2E; } .tdot-g { background: #28C840; }
.terminal-file { margin-left: auto; font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-3); }

.terminal-code {
  padding: 1.4rem 1.4rem 1.6rem;
  font-family: var(--font-mono); font-size: clamp(0.78rem, 1.05vw, 0.9rem);
  line-height: 1.8; color: var(--text-2); overflow-x: auto; tab-size: 2;
}
.c-k { color: #C792EA; } .c-v { color: #82AAFF; } .c-n { color: #7FDBCA; }
.c-s { color: #C3E88D; } .c-p { color: var(--text-3); } .c-c { color: #5C6478; font-style: italic; }
.caret { display: inline-block; width: 8px; height: 1.05em; background: var(--accent); margin-left: 4px; vertical-align: text-bottom; animation: caret 1.1s steps(1) infinite; }
@keyframes caret { 50% { opacity: 0; } }

.scroll-indicator {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-3); opacity: 0.7; transition: opacity 200ms;
}
.scroll-indicator:hover { opacity: 1; }
.scroll-line { width: 1px; height: 32px; background: linear-gradient(to bottom, var(--accent), transparent); animation: sline 2s ease-in-out infinite; }
@keyframes sline { 0%,100% { transform: scaleY(0.3); } 50% { transform: scaleY(1); } }
@media (max-height: 640px) { .scroll-indicator { display: none; } }

/* ---------- Seções ---------- */
.section { padding: clamp(3.5rem, 8vw, 6.5rem) 0; position: relative; }

.section-head {
  display: flex; align-items: center; gap: 0.9rem;
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
  font-family: var(--font-mono); font-size: 0.76rem; letter-spacing: 0.1em; text-transform: uppercase;
}
.section-idx { color: var(--accent); }
.section-idx::before { content: '// '; color: var(--text-3); }
.section-label { color: var(--text-2); }
.section-rule { flex: 1; height: 1px; background: linear-gradient(90deg, var(--border-light), transparent); }
.section-count { color: var(--text-3); text-transform: none; letter-spacing: 0; }

.section-title { font-size: clamp(2rem, 4.4vw, 3.3rem); text-wrap: balance; }
.section-sub { color: var(--text-2); max-width: 40ch; }

/* ---------- Sobre ---------- */
.about-grid { display: grid; grid-template-columns: minmax(220px, 300px) 1fr; gap: clamp(2rem, 6vw, 4.5rem); align-items: center; }

.photo-frame {
  position: relative; border-radius: var(--radius-lg); padding: 2px;
  background: var(--grad);
  box-shadow: 0 0 60px var(--accent-glow), 0 24px 80px rgba(0,0,0,0.4);
  transition: transform 400ms var(--ease), box-shadow 400ms var(--ease);
}
.photo-frame:hover { transform: translateY(-4px) scale(1.01); box-shadow: 0 0 80px var(--accent-glow), 0 30px 90px rgba(0,0,0,0.5); }
.photo-frame img { width: 100%; height: auto; border-radius: calc(var(--radius-lg) - 2px); display: block; }

.about-text { margin: 1.5rem 0 1.6rem; max-width: 60ch; }
.about-text p { color: var(--text-2); margin-bottom: 0.9rem; }
.about-text p:first-child { color: var(--text); font-size: 1.1rem; }

.tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tags li {
  font-family: var(--font-mono); font-size: 0.74rem; color: var(--accent);
  background: var(--accent-soft); border: 1px solid var(--border-light);
  padding: 0.3rem 0.75rem; border-radius: 999px;
  transition: transform 200ms, border-color 200ms, box-shadow 200ms;
}
.tags li:hover { transform: translateY(-2px); border-color: var(--accent); box-shadow: 0 0 16px var(--accent-glow); }

@media (max-width: 768px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-photo { max-width: 240px; }
}

/* ---------- Projetos ---------- */
.projects-intro { display: flex; align-items: flex-end; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; margin-bottom: clamp(2rem, 5vw, 3rem); }

.projects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr)); gap: 1.5rem; }

.project-card {
  --mx: 50%; --my: 0%;
  position: relative; display: flex; flex-direction: column; height: 100%;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: transform 400ms var(--ease), border-color 400ms var(--ease), box-shadow 400ms var(--ease);
}
/* holofote que segue o mouse */
.project-card::before {
  content: ''; position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background: radial-gradient(420px circle at var(--mx) var(--my), rgba(124,155,255,0.13), transparent 60%);
  opacity: 0; transition: opacity 300ms;
}
.project-card:hover { transform: translateY(-6px); border-color: var(--border-light); box-shadow: 0 24px 60px rgba(0,0,0,0.4), 0 0 40px rgba(124,155,255,0.08); }
.project-card:hover::before { opacity: 1; }

.project-media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--surface-2); z-index: 1; }
.project-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 700ms var(--ease); }
.project-card:hover .project-media img { transform: scale(1.06); }
.project-media::after { content: ''; position: absolute; inset: auto 0 0 0; height: 40%; background: linear-gradient(to top, var(--surface), transparent); pointer-events: none; }

.project-placeholder { width: 100%; height: 100%; display: grid; place-items: center; font-family: var(--font-display); font-weight: 700; font-size: 2.4rem; color: var(--text-3); }

.status-badge {
  position: absolute; top: 0.85rem; left: 0.85rem; z-index: 2;
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-family: var(--font-mono); font-size: 0.68rem;
  padding: 0.3rem 0.7rem; border-radius: 999px;
  background: rgba(5,7,12,0.78); backdrop-filter: blur(8px);
  border: 1px solid var(--border);
}
.status-dot { width: 6px; height: 6px; border-radius: 50%; box-shadow: 0 0 8px currentColor; }
.project-num { position: absolute; top: 0.85rem; right: 0.95rem; z-index: 2; font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-2); }

.project-body { position: relative; z-index: 1; padding: 1.4rem 1.5rem 1.6rem; display: flex; flex-direction: column; gap: 0.65rem; flex: 1; }
.project-category { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); opacity: 0.85; }
.project-name { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; font-size: 1.6rem; }
.project-link {
  font-family: var(--font-body); font-size: 0.8rem; font-weight: 600; letter-spacing: 0;
  color: var(--accent); padding: 0.2rem 0.65rem; border-radius: 8px;
  border: 1px solid var(--border-light); background: var(--accent-soft);
  white-space: nowrap; transition: background 200ms, border-color 200ms;
}
.project-link:hover { background: rgba(124,155,255,0.2); border-color: var(--accent); }
.project-desc { color: var(--text-2); font-size: 0.92rem; flex: 1; }
.project-tech { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.3rem; }
.project-tech li {
  font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-2);
  background: var(--surface-2); border: 1px solid var(--border);
  padding: 0.18rem 0.6rem; border-radius: 999px;
  transition: color 200ms, border-color 200ms;
}
.project-tech li:hover { color: var(--accent); border-color: var(--accent); }

/* ---------- Contato ---------- */
.contact-box {
  position: relative; overflow: hidden; text-align: center;
  max-width: 820px; margin: 0 auto;
  background: var(--surface); border-radius: 28px;
  padding: clamp(2.2rem, 6vw, 4rem) clamp(1.25rem, 5vw, 3rem);
  border: 1px solid var(--border);
}
.contact-box::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse at 50% 0%, rgba(124,155,255,0.16), transparent 65%);
}
.contact-box > * { position: relative; }
.contact-title { font-size: clamp(2.4rem, 6.5vw, 4.4rem); }
.contact-sub { color: var(--text-2); margin: 0.9rem 0 1.8rem; font-size: 1.05rem; }
.contact-mail {
  display: inline-flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; justify-content: center;
  font-family: var(--font-mono); font-size: clamp(0.9rem, 2.6vw, 1.2rem); font-weight: 500;
  padding: 0.95rem 1.5rem; border-radius: 14px;
  background: var(--grad); color: var(--bg-deep);
  box-shadow: 0 0 30px var(--accent-glow);
  transition: transform 250ms var(--ease), box-shadow 250ms var(--ease);
  word-break: break-all;
}
.contact-mail:hover { transform: translateY(-3px); box-shadow: 0 14px 44px var(--accent-glow); }

.contact-links { margin-top: 2.2rem; border-top: 1px solid var(--border); text-align: left; }
.contact-links a {
  display: grid; grid-template-columns: 6.5rem 1fr auto; gap: 1rem; align-items: center;
  padding: 1.05rem 0.5rem; border-bottom: 1px solid var(--border); border-radius: 6px;
  transition: padding 250ms var(--ease), background 250ms, color 250ms;
}
.contact-links a:hover { padding-left: 0.9rem; padding-right: 0.9rem; background: var(--accent-soft); color: var(--accent); }
.cl-label { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-3); }
.cl-value { font-size: 0.95rem; font-weight: 500; word-break: break-all; }
@media (max-width: 575px) {
  .contact-links a { grid-template-columns: 1fr auto; gap: 0.15rem 1rem; }
  .cl-label { grid-column: 1 / -1; }
}

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); background: var(--bg-deep); padding: 2.2rem 0; }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem 2rem; }
.footer-tag { color: var(--text-2); font-size: 0.85rem; flex: 1; }
.footer-copy { color: var(--text-3); font-size: 0.78rem; }
@media (max-width: 768px) { .footer-inner { flex-direction: column; align-items: flex-start; } }

/* ---------- Reveal ---------- */
[data-reveal] { opacity: 0; transform: translateY(26px); transition: opacity 900ms var(--ease), transform 900ms var(--ease); }
[data-reveal].is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
}

@media print {
  .bg-canvas, #particleCanvas, .cursor-glow, .scroll-indicator, .site-header { display: none !important; }
  body { background: #fff; color: #000; }
}