/* ══════════════════════════════════════════════════
   Elder M. Fouraux — Portfólio
   Theme: Catppuccin Frappé (dark) + light toggle
   ══════════════════════════════════════════════════ */

/* ── TOKENS ── */
:root {
  /* Catppuccin Frappé */
  --ctp-base:    #303446;
  --ctp-mantle:  #292c3c;
  --ctp-crust:   #232634;
  --ctp-surface0:#414559;
  --ctp-surface1:#51576d;
  --ctp-surface2:#626880;
  --ctp-overlay0:#737994;
  --ctp-overlay1:#838ba7;
  --ctp-overlay2:#949cbb;
  --ctp-subtext0:#a5adce;
  --ctp-subtext1:#b5bfe2;
  --ctp-text:    #c6d0f5;
  --ctp-blue:    #8caaee;
  --ctp-frappe:  #975f55;  /* salmon accent */
  --ctp-lavender:#babbf1;
  --ctp-sapphire:#85c1dc;
  --ctp-sky:     #99d1db;
  --ctp-teal:    #81c8be;
  --ctp-green:   #a6d189;
  --ctp-yellow:  #e5c890;
  --ctp-peach:   #ef9f76;
  --ctp-maroon:  #ea999c;

  /* Mapped vars (dark) */
  --bg:           var(--ctp-base);
  --bg-alt:       var(--ctp-mantle);
  --bg-card:      var(--ctp-surface0);
  --bg-card-hover:var(--ctp-surface1);
  --border:       var(--ctp-surface1);
  --text:         var(--ctp-text);
  --text-muted:   var(--ctp-subtext0);
  --text-dim:     var(--ctp-overlay1);
  --accent:       var(--ctp-blue);
  --accent2:      var(--ctp-frappe);
  --accent3:      var(--ctp-lavender);

  --nav-h: 64px;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow: 0 8px 40px rgba(0,0,0,.35);
  --transition: .25s ease;

  font-size: 16px;
}

/* ── LIGHT THEME ── */
[data-theme="light"] {
  --bg:           #f8f5f0;
  --bg-alt:       #ede9e3;
  --bg-card:      #ffffff;
  --bg-card-hover:#f0ece6;
  --border:       #d6cfc6;
  --text:         #2d2926;
  --text-muted:   #6b635a;
  --text-dim:     #8c8078;
  --accent:       #3a6fd8;
  --accent2:      #b05040;
  --accent3:      #6351b8;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Outfit', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  transition: background var(--transition), color var(--transition);
  overflow-x: hidden;
}
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent3); }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; }

/* ══════════════════════════════════════════════════
   NAV
══════════════════════════════════════════════════ */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background var(--transition), border-color var(--transition);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 100%;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.nav-brand {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: .05em;
  flex-shrink: 0;
}
.brand-dot { color: var(--accent2); }
.nav-links {
  display: flex;
  gap: .25rem;
  margin-left: auto;
  flex-wrap: wrap;
}
.nav-link {
  font-size: .85rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: .35rem .75rem;
  border-radius: 6px;
  transition: background var(--transition), color var(--transition);
}
.nav-link:hover, .nav-link.active {
  background: var(--bg-card);
  color: var(--accent);
}

/* theme toggle */
#theme-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  color: var(--text-muted);
  transition: border-color var(--transition), color var(--transition), background var(--transition);
  flex-shrink: 0;
}
#theme-toggle:hover { border-color: var(--accent); color: var(--accent); background: var(--bg-card); }
[data-theme="dark"]  .icon-sun  { display: block; }
[data-theme="dark"]  .icon-moon { display: none;  }
[data-theme="light"] .icon-sun  { display: none;  }
[data-theme="light"] .icon-moon { display: block; }

/* hamburger (mobile) */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 4px;
  flex-shrink: 0;
}
.nav-hamburger span {
  width: 22px; height: 2px;
  background: var(--text-muted);
  border-radius: 2px;
  transition: background var(--transition);
}

/* ══════════════════════════════════════════════════
   SECTIONS — common
══════════════════════════════════════════════════ */
.section {
  min-height: 100vh;
  padding: calc(var(--nav-h) + 4rem) 0 5rem;
}
.section-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}
.section-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 3.5rem;
}
.section-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: .75rem;
  color: var(--accent2);
  letter-spacing: .15em;
}
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--text);
}
.section-line {
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ══════════════════════════════════════════════════
   HERO
══════════════════════════════════════════════════ */
.hero-section {
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--bg-alt);
}

/* subtle dot-grid background */
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, var(--border) 1px, transparent 1px);
  background-size: 36px 36px;
  opacity: .45;
  pointer-events: none;
}
[data-theme="light"] .hero-bg-grid { opacity: .3; }

/* diagonal accent strip */
.hero-section::after {
  content: '';
  position: absolute;
  bottom: -2px; left: -10%;
  width: 120%; height: 80px;
  background: var(--bg);
  clip-path: polygon(0 60%, 100% 0%, 100% 100%, 0% 100%);
}

.hero-section > * { position: relative; z-index: 1; }

/* Two-column layout for hero */
.hero-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  padding-left: max(2rem, calc((100% - 1100px)/2));
  padding-right: max(2rem, calc((100% - 1100px)/2));
}
.hero-bg-grid { grid-column: 1 / -1; grid-row: 1; position: absolute; }

.hero-content { grid-column: 1; }
.hero-terminal { grid-column: 2; align-self: center; justify-self: end; }

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: .75rem;
  color: var(--text-dim);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: .3rem .9rem;
  margin-bottom: 1.5rem;
  letter-spacing: .05em;
}
.dot-blink {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--ctp-green);
  display: inline-block;
  animation: blink 1.5s infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.2} }

.hero-name {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1rem;
  letter-spacing: -.02em;
}
.hero-name .accent { color: var(--accent2); }

.hero-subtitle {
  font-size: .95rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 1.5rem;
  letter-spacing: .01em;
}

.hero-desc {
  font-size: .9rem;
  color: var(--text-dim);
  line-height: 1.8;
  margin-bottom: 2.5rem;
  max-width: 520px;
}

.hero-btns { display: flex; gap: .75rem; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .6rem 1.3rem;
  border-radius: 8px;
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .02em;
  transition: all var(--transition);
}
.btn-primary {
  background: var(--accent);
  color: var(--bg-alt);
  border: 1px solid var(--accent2);
}
.btn-primary:hover {
  background: var(--accent3);
  color: var(--bg-alt);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,.25);
}
[data-theme="light"] .btn-primary { color: #fff; }

/* terminal widget */
.hero-terminal {
  background: var(--ctp-mantle);
  border: 1px solid var(--ctp-surface1);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  width: 100%;
  max-width: 440px;
  justify-self: end;
  font-family: 'JetBrains Mono', monospace;
}
[data-theme="light"] .hero-terminal {
  background: #1e2030;
  border-color: #333;
}
.terminal-bar {
  background: var(--ctp-crust);
  padding: .6rem 1rem;
  display: flex;
  gap: .5rem;
  align-items: center;
}
[data-theme="light"] .terminal-bar { background: #161822; }
.terminal-bar span {
  width: 12px; height: 12px;
  border-radius: 50%;
}
.terminal-bar span:nth-child(1) { background: #f38ba8; }
.terminal-bar span:nth-child(2) { background: #f9e2af; }
.terminal-bar span:nth-child(3) { background: #a6e3a1; }
.terminal-body {
  padding: 1.2rem 1.4rem;
  font-size: .82rem;
  line-height: 1.8;
  overflow-x: auto;
}
.terminal-body code { display: block; white-space: pre; }
.t-prompt { color: var(--ctp-blue); }
.t-sep    { color: var(--ctp-overlay0); }
.t-path   { color: var(--ctp-teal); }
.t-sym    { color: var(--ctp-overlay1); }
.t-cmd    { color: var(--ctp-green); }
.t-key    { color: var(--ctp-lavender); display: inline-block; min-width: 90px; }
.t-val    { color: var(--ctp-text); }
.t-cursor { animation: cursor-blink .8s step-end infinite; color: var(--ctp-blue); }
@keyframes cursor-blink { 0%,100%{opacity:1} 50%{opacity:0} }

/* ══════════════════════════════════════════════════
   SOBRE MIM
══════════════════════════════════════════════════ */
.sobre-section { background: var(--bg); }

.sobre-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 4rem;
  align-items: start;
}

.sobre-img-wrap {
  position: relative;
}
.sobre-img-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--accent2);
  box-shadow: 0 0 0 4px var(--bg-card), 0 0 0 5px var(--border);
  aspect-ratio: 3/4;
  background: var(--bg-card);
}
.sobre-img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  transition: transform .5s ease;
}
.sobre-img:hover { transform: scale(1.03); }

.sobre-badge {
  position: absolute;
  bottom: -1rem; right: -1rem;
  background: var(--accent2);
  color: #fff;
  padding: .5rem 1rem;
  border-radius: 100px;
  font-size: .8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: .4rem;
  box-shadow: var(--shadow);
}
.badge-icon { font-size: 1rem; }

.sobre-text p {
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  font-size: .95rem;
  line-height: 1.85;
}
.sobre-text strong { color: var(--text); }

.sobre-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 2rem;
}
.sobre-tags span {
  font-family: 'JetBrains Mono', monospace;
  font-size: .72rem;
  padding: .3rem .75rem;
  border-radius: 100px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--accent);
  letter-spacing: .03em;
  transition: border-color var(--transition), color var(--transition);
}
.sobre-tags span:hover { border-color: var(--accent2); color: var(--accent2); }

/* ══════════════════════════════════════════════════
   FORMAÇÃO
══════════════════════════════════════════════════ */
.formacao-section { background: var(--bg-alt); }

.formacao-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}

.form-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}
.form-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 100%;
  background: var(--accent);
  opacity: 0;
  transition: opacity var(--transition);
}
.form-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: var(--shadow);
}
.form-card:hover::before { opacity: 1; }

.form-card-highlight {
  border-color: var(--accent2);
  background: linear-gradient(135deg, var(--bg-card) 70%, rgba(151,95,85,.08));
}
.form-card-highlight::before { background: var(--accent2) !important; opacity: 1 !important; }

.form-card-icon { font-size: 1.5rem; flex-shrink: 0; margin-top: .15rem; }

.form-card-body { display: flex; flex-direction: column; gap: .4rem; }
.form-card-body h3 { font-size: .95rem; font-weight: 600; color: var(--text); line-height: 1.4; }
.form-inst { font-size: .82rem; color: var(--text-muted); }
.form-period { font-family: 'JetBrains Mono', monospace; font-size: .75rem; color: var(--accent); }

.form-badge-pill {
  display: inline-block;
  font-size: .72rem;
  font-weight: 600;
  padding: .2rem .7rem;
  border-radius: 100px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  color: var(--text-muted);
  width: fit-content;
}
.form-badge-pill.valete {
  background: rgba(151,95,85,.15);
  border-color: var(--accent2);
  color: var(--accent2);
}
.form-callsign {
  font-family: 'JetBrains Mono', monospace;
  font-size: .72rem;
  color: var(--text-dim);
  letter-spacing: .08em;
}

/* ══════════════════════════════════════════════════
   PORTFÓLIO
══════════════════════════════════════════════════ */
.portfolio-section { background: var(--bg); }

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

.proj-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .75rem;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.proj-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.proj-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.proj-icon { font-size: 1.8rem; }
.proj-links a {
  color: var(--text-dim);
  transition: color var(--transition);
  display: block;
}
.proj-links a:hover { color: var(--accent); }

.proj-title {
  font-size: .95rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
}
.proj-desc {
  font-size: .85rem;
  color: var(--text-muted);
  line-height: 1.7;
  flex: 1;
}
.proj-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin-top: auto;
}
.proj-tags span {
  font-family: 'JetBrains Mono', monospace;
  font-size: .68rem;
  padding: .2rem .6rem;
  border-radius: 100px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  color: var(--accent2);
  letter-spacing: .03em;
}

.proj-outros-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .4rem;
}
.proj-outros-list li {
  font-size: .84rem;
  color: var(--text-muted);
  padding-left: 1.1rem;
  position: relative;
}
.proj-outros-list li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--accent2);
  font-weight: 700;
}

/* ══════════════════════════════════════════════════
   CONTATO
══════════════════════════════════════════════════ */
.contato-section { background: var(--bg-alt); }

.contato-card {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 3rem;
  background: var(--bg-card);
  border: 1px solid var(--accent2);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow);
  max-width: 900px;
}

.contato-form-wrap { display: flex; flex-direction: column; gap: 1.25rem; }

.form-group { display: flex; flex-direction: column; gap: .45rem; }
.form-group label {
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: .03em;
}
.form-group input,
.form-group textarea {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: .75rem 1rem;
  color: var(--text);
  font-family: 'Outfit', sans-serif;
  font-size: .9rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: vertical;
  outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-dim); }
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(140,170,238,.15);
}

.btn-enviar {
  background: var(--accent);
  color: var(--bg-alt);
  border: 1px solid var(--accent2);
  border-radius: 8px;
  padding: .75rem 1.5rem;
  font-size: .9rem;
  font-weight: 600;
  transition: all var(--transition);
  letter-spacing: .03em;
}
.btn-enviar:hover {
  background: var(--accent3);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,.25);
}
[data-theme="light"] .btn-enviar { color: #fff; }

.form-notice {
  font-size: .8rem;
  color: var(--ctp-green);
  min-height: 1.2em;
}

/* contact info sidebar */
.contato-info {
  border-left: 1px solid var(--border);
  padding-left: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding-top: .5rem;
}
.contato-info h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 1.5rem;
  letter-spacing: .05em;
}
.contato-info ul { list-style: none; display: flex; flex-direction: column; gap: 1.1rem; }
.contato-info li { display: flex; flex-direction: column; gap: .2rem; }
.info-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: .72rem;
  color: var(--text-dim);
  letter-spacing: .06em;
  text-transform: uppercase;
}
.contato-info a {
  font-size: .85rem;
  color: var(--text-muted);
  font-weight: 500;
  transition: color var(--transition);
}
.contato-info a:hover { color: var(--accent); }

/* ══════════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════════ */
.site-footer {
  text-align: center;
  padding: 2rem;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  font-size: .82rem;
  color: var(--text-dim);
}
.footer-heart { color: var(--accent2); }

/* ══════════════════════════════════════════════════
   ANIMATIONS — scroll reveal
══════════════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ══════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════ */
@media (max-width: 900px) {
  .hero-section {
    grid-template-columns: 1fr;
    padding-top: calc(var(--nav-h) + 3rem);
    padding-bottom: 4rem;
  }
  .hero-terminal { grid-column: 1; justify-self: center; width: 100%; max-width: 100%; }
  .sobre-grid    { grid-template-columns: 1fr; }
  .sobre-img-wrap { max-width: 320px; margin: 0 auto; }
  .contato-card  { grid-template-columns: 1fr; }
  .contato-info  { border-left: none; border-top: 1px solid var(--border); padding-left: 0; padding-top: 1.5rem; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-h);
    left: 0; right: 0;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    padding: 1rem;
    gap: .25rem;
  }
  .nav-hamburger { display: flex; margin-left: auto; }
  #theme-toggle  { order: 1; }
  .hero-name { font-size: 2rem; }
  .formacao-grid, .portfolio-grid { grid-template-columns: 1fr; }
}