/* ============================================================
   Rafael Feltrim — Portfolio
   Obsidian Glow · Premium · SDET Senior
   ============================================================ */

:root {
  /* Obsidian palette */
  --bg:        #050505;
  --bg-2:      #080808;
  --bg-3:      #0d0d0d;
  --bg-card:   #0a0a0a;
  --border:    rgba(255,255,255,0.06);
  --border-2:  rgba(255,255,255,0.10);

  --text:      #e8eaf0;
  --text-muted:#7a8494;
  --text-dim:  #3d4455;

  /* Obsidian Glow — roxo premium */
  --accent:      #3A0CA3;
  --accent-mid:  #6d28d9;
  --accent-light:#a78bfa;
  --accent-dim:  rgba(58,12,163,0.18);
  --accent-glow: rgba(109,40,217,0.35);
  --accent-border: rgba(109,40,217,0.3);

  /* Supporting accents */
  --teal:      #2dd4bf;
  --teal-dim:  rgba(45,212,191,0.10);
  --amber:     #fbbf24;
  --amber-dim: rgba(251,191,36,0.10);
  --green:     #34d399;
  --pink:      #f472b6;

  --font-mono: 'JetBrains Mono', monospace;
  --font-sans: 'Inter', sans-serif;

  --radius:    12px;
  --radius-lg: 20px;
  --shadow:    0 4px 32px rgba(0,0,0,0.7);
  --shadow-lg: 0 8px 64px rgba(0,0,0,0.8);
  --glow-sm:   0 0 20px rgba(109,40,217,0.25);
  --glow-md:   0 0 40px rgba(109,40,217,0.3);
}

/* ── Reset ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 2px; }

/* ── Container ── */
.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* ── Selection ── */
::selection { background: rgba(109,40,217,0.35); color: #fff; }

/* ============================================================
   NAVBAR
   ============================================================ */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: background 0.3s, padding 0.3s, box-shadow 0.3s;
}
#navbar.scrolled {
  background: rgba(5,5,5,0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1080px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.4rem; font-weight: 700;
  color: var(--text); letter-spacing: -1px;
}
.nav-logo-dot { color: var(--accent-light); }

.nav-links { display: flex; gap: 4px; align-items: center; }
.nav-links a {
  font-family: var(--font-mono); font-size: 0.8rem;
  color: var(--text-muted); padding: 6px 12px;
  border-radius: 6px; transition: color 0.2s, background 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); background: rgba(255,255,255,0.05); }
.nav-cta {
  background: var(--accent-dim) !important;
  color: var(--accent-light) !important;
  border: 1px solid var(--accent-border) !important;
}
.nav-cta:hover {
  background: var(--accent) !important;
  color: #fff !important;
  box-shadow: var(--glow-sm) !important;
}

.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.nav-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--text); border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none; position: fixed;
  top: 62px; left: 0; right: 0;
  background: rgba(5,5,5,0.98); backdrop-filter: blur(16px);
  z-index: 99; padding: 16px 0 24px;
  border-bottom: 1px solid var(--border);
  transform: translateY(-10px); opacity: 0; pointer-events: none;
  transition: transform 0.25s, opacity 0.25s;
}
.mobile-menu.open { transform: translateY(0); opacity: 1; pointer-events: all; }
.mobile-menu ul { display: flex; flex-direction: column; }
.mobile-menu a {
  font-family: var(--font-mono); font-size: 0.95rem;
  color: var(--text-muted); padding: 14px 28px; display: block;
  transition: color 0.2s;
}
.mobile-menu a:hover { color: var(--accent-light); }

/* Lang toggle */
.lang-toggle {
  font-family: var(--font-mono); font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.08em;
  background: transparent;
  color: var(--accent-light);
  border: 1px solid var(--accent-border);
  border-radius: 6px;
  padding: 4px 10px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
  flex-shrink: 0;
}
.lang-toggle:hover {
  background: var(--accent-dim);
  box-shadow: var(--glow-sm);
}

/* Lang toggle — amber pulse state (page is in EN, PT available) */
@keyframes pulse-amber {
  0%, 100% { box-shadow: 0 0 0 0 rgba(251,191,36,0); border-color: rgba(251,191,36,0.5); }
  50%       { box-shadow: 0 0 0 5px rgba(251,191,36,0.15), 0 0 20px rgba(251,191,36,0.55); border-color: var(--amber); }
}
.lang-toggle.pt-available {
  color: var(--amber);
  border-color: rgba(251,191,36,0.5);
  animation: pulse-amber 2.2s ease-in-out infinite;
}
.lang-toggle.pt-available:hover {
  background: var(--amber-dim);
  box-shadow: 0 0 24px rgba(251,191,36,0.45);
}

/* Lang hint tooltip */
.lang-hint {
  position: fixed;
  top: 62px;
  right: 16px;
  z-index: 998;
  background: rgba(8,8,8,0.97);
  border: 1px solid var(--amber);
  border-radius: 10px;
  padding: 10px 14px 10px 12px;
  font-family: var(--font-sans);
  font-size: 0.74rem;
  line-height: 1.55;
  color: var(--text-muted);
  max-width: 218px;
  box-shadow: 0 0 20px rgba(251,191,36,0.18), 0 4px 18px rgba(0,0,0,0.6);
  cursor: pointer;
  transition: opacity 0.45s ease, transform 0.45s ease;
  animation: hint-in 0.5s ease 0.8s both;
}
@keyframes hint-in {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.lang-hint::before {
  content: '';
  position: absolute;
  top: -7px;
  right: 28px;
  width: 12px;
  height: 12px;
  background: rgba(8,8,8,0.97);
  border-top: 1px solid var(--amber);
  border-left: 1px solid var(--amber);
  transform: rotate(45deg);
}
.lang-hint strong { color: var(--amber); font-weight: 600; }
.lang-hint.hidden { opacity: 0; transform: translateY(-8px); pointer-events: none; }

/* ============================================================
   HERO
   ============================================================ */
#hero {
  min-height: 100vh;
  display: flex; align-items: center;
  position: relative;
  padding: 100px 24px 60px;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 55% 55% at 15% 15%, rgba(58,12,163,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 75% 75%, rgba(109,40,217,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 30% 30% at 85% 15%, rgba(167,139,250,0.05) 0%, transparent 60%);
  pointer-events: none;
}
.hero-bg::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(109,40,217,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(109,40,217,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 30% 30%, black 0%, transparent 65%);
}
.hero-content {
  max-width: 1080px; margin: 0 auto; width: 100%;
  position: relative; z-index: 1;
}
.hero-pre {
  font-family: var(--font-mono); font-size: 0.85rem;
  color: var(--accent-light); margin-bottom: 16px; letter-spacing: 1px;
}
.cursor-blink { animation: blink 1s step-end infinite; margin-right: 6px; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

.hero-name {
  font-size: clamp(3.5rem, 10vw, 7rem);
  font-weight: 800; line-height: 0.95;
  letter-spacing: -4px; color: var(--text); margin-bottom: 20px;
}
.hero-name span {
  background: linear-gradient(135deg, var(--accent-light) 0%, var(--teal) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-role {
  font-family: var(--font-mono); font-size: clamp(0.8rem, 1.8vw, 0.95rem);
  color: var(--text-muted); margin-bottom: 20px; letter-spacing: 0.5px;
}
.hero-sub {
  font-size: 1rem; color: var(--text-muted);
  max-width: 500px; margin-bottom: 40px; line-height: 1.85;
}
.hero-actions {
  display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 56px;
}

/* Buttons */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent);
  color: #fff; font-weight: 600; font-size: 0.95rem;
  padding: 12px 24px; border-radius: var(--radius);
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  border: 1px solid rgba(109,40,217,0.5);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-md);
  background: var(--accent-mid);
}
.btn-primary.large { padding: 14px 32px; font-size: 1rem; }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; color: var(--text-muted); font-weight: 500; font-size: 0.95rem;
  padding: 12px 20px; border-radius: var(--radius);
  border: 1px solid var(--border-2);
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.btn-ghost:hover { color: var(--text); border-color: rgba(167,139,250,0.3); background: var(--accent-dim); }

/* Stats */
.hero-stats { display: flex; align-items: center; gap: 24px; }
.stat { text-align: left; }
.stat-num { font-family: var(--font-mono); font-size: 1.6rem; font-weight: 700; color: var(--text); }
.stat span { font-family: var(--font-mono); font-size: 1.1rem; color: var(--accent-light); }
.stat p { font-size: 0.75rem; color: var(--text-muted); margin-top: 2px; }
.stat-div { width: 1px; height: 40px; background: var(--border-2); }
.stat-note { font-size: 0.68rem; color: var(--text-dim); font-family: var(--font-mono); margin-top: 2px; }

.hero-scroll {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%); z-index: 1;
}
.hero-scroll a {
  color: var(--text-dim); font-size: 1.2rem;
  animation: bounce 2s infinite; display: block;
}
@keyframes bounce { 0%,100%{transform:translateY(0)} 50%{transform:translateY(6px)} }

/* ============================================================
   SECTION COMMONS
   ============================================================ */
section { padding: 100px 0; }
.section-label {
  font-family: var(--font-mono); font-size: 0.78rem;
  color: var(--accent-light); letter-spacing: 1.5px; margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700; letter-spacing: -1px; color: var(--text); margin-bottom: 56px;
}
.highlight {
  background: linear-gradient(135deg, var(--accent-light), var(--teal));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

/* ============================================================
   SOBRE
   ============================================================ */
#sobre { background: var(--bg-2); }
.sobre-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.sobre-text h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem); font-weight: 700;
  letter-spacing: -1px; margin-bottom: 24px; line-height: 1.3;
}
.sobre-text p { color: var(--text-muted); margin-bottom: 16px; font-size: 0.97rem; }
.sobre-text strong { color: var(--text); font-weight: 600; }
.sobre-text em { color: var(--accent-light); font-style: normal; }
.sobre-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.sobre-badges span {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.8rem; font-family: var(--font-mono);
  color: var(--text-muted); background: var(--bg-3);
  border: 1px solid var(--border); padding: 6px 14px; border-radius: 999px;
}
.sobre-badges i { color: var(--accent-light); font-size: 0.72rem; }

.sobre-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px; position: relative;
}
.sobre-card::before {
  content: ''; position: absolute; top: 0; left: 32px; right: 32px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-mid), transparent);
}
.card-tag { font-family: var(--font-mono); font-size: 0.72rem; color: var(--accent-light); letter-spacing: 1px; margin-bottom: 16px; }
.sobre-card blockquote {
  font-size: 0.88rem; color: var(--text-muted); line-height: 1.8;
  border-left: 2px solid var(--accent); padding-left: 16px;
  margin-bottom: 12px; font-style: italic;
}
.quote-author { font-size: 0.72rem; color: var(--text-dim); margin-bottom: 24px; font-family: var(--font-mono); }
.card-list { display: flex; flex-direction: column; gap: 10px; }
.card-item { display: flex; align-items: center; gap: 10px; font-size: 0.88rem; color: var(--text-muted); }
.card-item i { color: var(--accent-light); font-size: 1rem; flex-shrink: 0; }

/* ============================================================
   EXPERIÊNCIA
   ============================================================ */
.timeline { position: relative; padding-left: 32px; }
.timeline::before {
  content: ''; position: absolute; left: 7px; top: 0; bottom: 0; width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--teal), transparent); opacity: 0.3;
}
.timeline-item { position: relative; margin-bottom: 48px; }
.timeline-dot {
  position: absolute; left: -28px; top: 6px; width: 14px; height: 14px;
  border-radius: 50%; border: 2px solid var(--bg-3); background: var(--text-dim);
}
.timeline-dot.active { background: var(--accent-mid); box-shadow: 0 0 12px var(--accent-glow); }
.timeline-dot.highlight-dot { background: var(--amber); box-shadow: 0 0 12px rgba(251,191,36,0.4); }

.timeline-content {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.timeline-content:hover { border-color: var(--accent-border); box-shadow: var(--glow-sm); }
.highlight-content { border-color: rgba(251,191,36,0.15); }
.highlight-content:hover { border-color: rgba(251,191,36,0.35); box-shadow: 0 0 24px rgba(251,191,36,0.12); }

.timeline-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.timeline-header h3 { font-size: 1.05rem; font-weight: 600; color: var(--text); margin-bottom: 4px; }
.timeline-org { font-size: 0.82rem; color: var(--text-muted); display: flex; align-items: center; gap: 6px; }
.timeline-badge {
  font-family: var(--font-mono); font-size: 0.72rem;
  padding: 4px 10px; border-radius: 6px;
  border: 1px solid var(--border); color: var(--text-dim); white-space: nowrap; flex-shrink: 0;
}
.timeline-badge.current { border-color: var(--accent-border); color: var(--accent-light); background: var(--accent-dim); }
.timeline-badge.special { border-color: rgba(251,191,36,0.4); color: var(--amber); background: var(--amber-dim); }

.timeline-content > p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 16px; }
.timeline-content strong { color: var(--text); }
.timeline-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.timeline-tags span {
  font-family: var(--font-mono); font-size: 0.72rem;
  color: var(--text-dim); background: var(--bg-3); padding: 4px 10px; border-radius: 4px;
}

/* ============================================================
   SKILLS
   ============================================================ */
#skills { background: var(--bg-2); }
.skills-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
.skill-group {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.skill-group:hover { border-color: var(--accent-border); box-shadow: var(--glow-sm); }
.skill-group h3 {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.9rem; font-weight: 600; color: var(--text);
  margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--border);
}
.skill-group h3 i { font-size: 1.1rem; color: var(--accent-light); }
.skill-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.pill { font-family: var(--font-mono); font-size: 0.75rem; padding: 5px 12px; border-radius: 6px; font-weight: 500; }
.pill-primary { background: var(--accent-dim); color: var(--accent-light); border: 1px solid var(--accent-border); }
.pill-blue    { background: rgba(99,179,237,0.08); color: #63b3ed; border: 1px solid rgba(99,179,237,0.15); }
.pill-teal    { background: var(--teal-dim); color: var(--teal); border: 1px solid rgba(45,212,191,0.18); }
.pill-purple  { background: rgba(167,139,250,0.1); color: var(--accent-light); border: 1px solid rgba(167,139,250,0.2); }
.pill-amber   { background: var(--amber-dim); color: var(--amber); border: 1px solid rgba(251,191,36,0.18); }

/* ============================================================
   PROJETOS
   ============================================================ */
.projects-featured-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}
.projects-main-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.project-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px;
  display: flex; flex-direction: column;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-border);
  box-shadow: var(--glow-sm);
}
.project-card.featured {
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(58,12,163,0.08) 100%);
  border-color: var(--accent-border);
}
.project-card.featured:hover { border-color: rgba(109,40,217,0.6); box-shadow: var(--glow-md); }
.project-card.featured-half {
  background: linear-gradient(135deg, var(--bg-card), rgba(167,139,250,0.06));
  border-color: rgba(167,139,250,0.2);
}
.project-card.featured-half:hover { border-color: rgba(167,139,250,0.45); box-shadow: var(--glow-sm); }

.project-card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.project-icon-wrap {
  width: 44px; height: 44px;
  background: var(--accent-dim); border: 1px solid var(--accent-border);
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
}
.project-icon-wrap i { font-size: 1.2rem; color: var(--accent-light); }
.project-icon-wrap.purple { background: rgba(167,139,250,0.1); border-color: rgba(167,139,250,0.2); }
.project-icon-wrap.purple i { color: var(--accent-light); }
.project-icon-wrap.teal   { background: var(--teal-dim); border-color: rgba(45,212,191,0.2); }
.project-icon-wrap.teal i  { color: var(--teal); }
.project-icon-wrap.amber  { background: var(--amber-dim); border-color: rgba(251,191,36,0.2); }
.project-icon-wrap.amber i { color: var(--amber); }

.project-links-wrap { display: flex; gap: 8px; align-items: center; }
.project-links-wrap a { font-size: 1.2rem; color: var(--text-dim); transition: color 0.2s; }
.project-links-wrap a:hover { color: var(--accent-light); }
.lock-badge {
  font-size: 0.75rem; color: var(--text-dim); font-family: var(--font-mono);
  padding: 4px 10px; background: var(--bg-3); border-radius: 6px;
  display: flex; align-items: center; gap: 5px; border: 1px solid var(--border);
}

.project-label {
  font-family: var(--font-mono); font-size: 0.7rem;
  color: var(--accent-light); letter-spacing: 1px; margin-bottom: 8px; display: block;
}
.project-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--text); margin-bottom: 10px; letter-spacing: -0.3px; }
.project-card p { font-size: 0.87rem; color: var(--text-muted); flex-grow: 1; margin-bottom: 16px; line-height: 1.8; }
.project-card strong { color: var(--accent-light); font-weight: 600; }

.project-tech { display: flex; flex-wrap: wrap; gap: 7px; margin-top: auto; }
.project-tech span {
  font-family: var(--font-mono); font-size: 0.7rem;
  color: var(--text-dim); background: var(--bg-3);
  border: 1px solid var(--border); padding: 4px 10px; border-radius: 4px;
  transition: color 0.2s, border-color 0.2s;
}
.project-card:hover .project-tech span { color: var(--text-muted); border-color: var(--accent-border); }

/* Governance / Ethics badge */
.badge-governance {
  display: inline-flex; align-items: center; gap: 5px;
  font-family: var(--font-mono); font-size: 0.68rem;
  color: var(--teal); background: var(--teal-dim);
  border: 1px solid rgba(45,212,191,0.2); padding: 4px 10px; border-radius: 4px;
}

/* Narrative: Desafio › Solução › Impacto */
.narrative { margin: 10px 0 6px; }
.narrative p { font-size: 0.88rem; color: var(--text-muted); margin-bottom: 8px; }
.narrative-tag {
  display: inline-block;
  font-family: var(--font-mono); font-size: 0.68rem; font-weight: 700;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--accent-light); background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  border-radius: 4px; padding: 1px 7px; margin-right: 6px;
  vertical-align: middle;
}

/* pill-highlight — Playwright, K6, Grafana, Prometheus */
.pill-highlight {
  border-color: var(--accent-mid) !important;
  box-shadow: 0 0 8px rgba(109,40,217,0.25);
}
.pill-teal.pill-highlight {
  border-color: var(--teal) !important;
  box-shadow: 0 0 8px rgba(45,212,191,0.2);
}

/* sobre-note (7º Semestre · Cloud Practitioner) */
.sobre-note { font-size: 0.82rem !important; color: var(--text-dim) !important; margin-top: 4px !important; }
.sobre-note em { color: var(--text-dim) !important; font-style: italic !important; }

/* Metric callout */
.project-metric {
  margin: 10px 0 14px;
  padding: 10px 14px;
  background: rgba(58,12,163,0.1);
  border-left: 2px solid var(--accent-mid);
  border-radius: 0 8px 8px 0;
  font-size: 0.82rem;
  color: var(--accent-light);
  font-family: var(--font-mono);
}

/* ============================================================
   TRIFECTA
   ============================================================ */
#trifecta {
  background: var(--bg-3);
  padding: 72px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.trifecta-inner {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 56px;
  align-items: center;
}
.trifecta-code-block {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 2.1;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}
.trifecta-code-block::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light), var(--teal));
}
.tc-comment { color: var(--text-dim); font-style: italic; }
.tc-keyword  { color: var(--pink); }
.tc-fn       { color: var(--accent-light); }
.tc-op       { color: var(--text-muted); }
.tc-key      { color: var(--teal); }
.tc-str      { color: var(--amber); }

.trifecta-cards {
  display: flex;
  align-items: stretch;
  gap: 0;
}
.trifecta-card {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 16px;
  text-align: center;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.trifecta-card:hover {
  border-color: var(--accent-border);
  box-shadow: var(--glow-sm);
}
.trifecta-card.mid {
  border-color: var(--accent-border);
  background: linear-gradient(160deg, var(--bg-card) 0%, rgba(58,12,163,0.12) 100%);
  box-shadow: var(--glow-sm);
  transform: scale(1.04);
  z-index: 1;
}
.trifecta-card i {
  font-size: 1.6rem;
  color: var(--accent-light);
  display: block;
  margin-bottom: 10px;
}
.trifecta-card h3 {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.trifecta-card p {
  font-size: 0.76rem;
  color: var(--text-muted);
  line-height: 1.7;
}
.trifecta-x {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-mid);
  padding: 0 8px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

/* ── Projects Pillars legend ── */
.projects-pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-bottom: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.pp-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 4px;
  padding: 18px 12px;
  border-right: 1px solid var(--border);
  transition: background 0.2s;
}
.pp-item:last-child { border-right: none; }
.pp-item:hover { background: rgba(109,40,217,0.06); }
.pp-num {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-light);
}
.pp-name {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text);
}
.pp-desc {
  font-size: 0.7rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ── Pillar tag on project cards ── */
.pillar-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal);
  background: var(--teal-dim);
  border: 1px solid rgba(45,212,191,0.2);
  border-radius: 4px;
  padding: 2px 8px;
  margin-bottom: 8px;
  display: block;
}

/* ============================================================
   CTA PRO
   ============================================================ */
#cta-pro {
  background: var(--bg-2);
}
.cta-pro-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.cta-pro-inner h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -1px;
  color: var(--text);
  margin-bottom: 40px;
}
.cta-pro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 40px;
  text-align: left;
}
.cta-pro-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.cta-pro-item:hover {
  border-color: var(--accent-border);
  box-shadow: var(--glow-sm);
}
.cta-pro-item > i {
  font-size: 1.2rem;
  color: var(--accent-light);
  flex-shrink: 0;
  margin-top: 2px;
}
.cta-pro-item div {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.cta-pro-item strong {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}
.cta-pro-item span {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.7;
}
.cta-pro-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================================
   CONQUISTAS
   ============================================================ */
.conquistas-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.conquista-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 24px; display: flex; gap: 20px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.conquista-card:hover { border-color: var(--accent-border); box-shadow: var(--glow-sm); }
.conquista-card.main-conquista {
  grid-column: span 2;
  background: linear-gradient(135deg, var(--bg-card), rgba(251,191,36,0.04));
  border-color: rgba(251,191,36,0.2); align-items: center;
}
.conquista-card.main-conquista:hover { border-color: rgba(251,191,36,0.4); box-shadow: 0 0 32px rgba(251,191,36,0.1); }
.conquista-icon { font-size: 2.5rem; color: var(--amber); flex-shrink: 0; text-shadow: 0 0 20px rgba(251,191,36,0.35); }
.conquista-icon.sm { font-size: 1.8rem; }
.conquista-tag { font-family: var(--font-mono); font-size: 0.72rem; color: var(--amber); letter-spacing: 1px; display: block; margin-bottom: 8px; }
.conquista-body h3 { font-size: 1.05rem; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.conquista-body p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.75; }

/* ============================================================
   CONTATO
   ============================================================ */
#contato {
  text-align: center;
  background:
    radial-gradient(ellipse 50% 60% at 50% 100%, rgba(58,12,163,0.10) 0%, transparent 65%),
    var(--bg);
}
.contato-inner { max-width: 560px; margin: 0 auto; }
.contato-inner h2 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 800; letter-spacing: -1.5px; margin-bottom: 16px; }
.contato-inner > p { color: var(--text-muted); margin-bottom: 40px; font-size: 1rem; }
.contato-links { display: flex; flex-direction: column; gap: 12px; margin-bottom: 36px; text-align: left; }
.contato-item {
  display: flex; align-items: center; gap: 16px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 20px;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.contato-item:hover { border-color: var(--accent-border); transform: translateX(4px); box-shadow: var(--glow-sm); }
.contato-item i { font-size: 1.3rem; color: var(--accent-light); flex-shrink: 0; }
.contato-item span { font-weight: 600; font-size: 0.95rem; display: block; }
.contato-item small { font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-muted); }

/* ============================================================
   FOOTER
   ============================================================ */
footer { padding: 28px 0; border-top: 1px solid var(--border); }
.footer-inner {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px; font-size: 0.78rem; color: var(--text-dim);
}
.footer-logo { font-family: var(--font-mono); font-size: 1rem; font-weight: 700; color: var(--text-muted); }
.footer-made { font-family: var(--font-mono); font-size: 0.72rem; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .projects-featured-row { grid-template-columns: 1fr; }
  .projects-main-grid    { grid-template-columns: repeat(2, 1fr); }
  .trifecta-inner        { grid-template-columns: 1fr; gap: 32px; }
  .trifecta-code-block   { white-space: normal; }
  .cta-pro-grid          { grid-template-columns: 1fr; }
  .projects-pillars      { grid-template-columns: repeat(2, 1fr); }
  .pp-item:nth-child(2)  { border-right: none; }
  .pp-item:nth-child(3)  { border-right: none; }
  .pp-item:nth-child(1), .pp-item:nth-child(2) { border-bottom: 1px solid var(--border); }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .mobile-menu { display: block; }
  #hero { padding: 90px 24px 80px; }
  .hero-stats { gap: 16px; }
  .stat-num { font-size: 1.3rem; }
  .sobre-grid { grid-template-columns: 1fr; gap: 32px; }
  .conquistas-grid { grid-template-columns: 1fr; }
  .conquista-card.main-conquista { grid-column: span 1; flex-direction: column; }
  .skills-grid { grid-template-columns: 1fr; }
  .timeline { padding-left: 24px; }
  .timeline-dot { left: -22px; }
  .footer-inner { flex-direction: column; text-align: center; }
}
@media (max-width: 576px) {
  section { padding: 72px 0; }
  .projects-main-grid { grid-template-columns: 1fr; }
  .hero-name { letter-spacing: -2px; }
  .hero-actions { flex-direction: column; }
  .hero-actions a { text-align: center; justify-content: center; }
  .hero-stats { flex-wrap: wrap; }
  .stat-div { display: none; }
  .timeline-header { flex-direction: column; align-items: flex-start; }
  .trifecta-cards { flex-direction: column; }
  .trifecta-card.mid { transform: none; }
  .trifecta-x { padding: 4px 0; justify-content: center; }
  .projects-pillars { grid-template-columns: 1fr; }
  .pp-item { border-right: none; border-bottom: 1px solid var(--border); }
  .pp-item:nth-child(1), .pp-item:nth-child(2) { border-bottom: 1px solid var(--border); }
  .pp-item:last-child { border-bottom: none; }
  .cta-pro-actions { flex-direction: column; align-items: stretch; }
  .cta-pro-actions a { text-align: center; justify-content: center; }
}