/* ================================================
   André Silva — Portfólio
   style.css
   ================================================ */

/* ── VARIÁVEIS / TOKENS ── */
:root {
  --bg:      #0a0a0f;
  --surface: #13131a;
  --border:  #1e1e2e;
  --accent:  #7c6af7;
  --accent2: #3ecfcf;
  --text:    #e8e8f0;
  --muted:   #6b6b80;
  --card:    #111118;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}

/* ── NOISE OVERLAY ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
}

/* ── GLOW BLOBS ── */
.glow-blob {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.12;
  pointer-events: none;
  z-index: 0;
}
.glow-blob.a {
  width: 600px; height: 600px;
  background: var(--accent);
  top: -200px; right: -200px;
  animation: blobA 12s ease-in-out infinite alternate;
}
.glow-blob.b {
  width: 500px; height: 500px;
  background: var(--accent2);
  bottom: -150px; left: -150px;
  animation: blobB 15s ease-in-out infinite alternate;
}

/* ── LAYOUT ── */
section { position: relative; z-index: 1; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ── NAVEGAÇÃO ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 4rem;
  backdrop-filter: blur(20px);
  background: rgba(10, 10, 15, 0.7);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.04em;
  color: var(--text);
  text-decoration: none;
}
.nav-logo span { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}
.nav-links a {
  font-family: 'DM Mono', monospace;
  font-size: 0.78rem;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--accent2); }

/* ── HERO ── */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 6rem 0 4rem;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-tag {
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  color: var(--accent2);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
  opacity: 0;
  animation: fadeUp 0.6s 0.2s forwards;
}

.hero-name {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 1.2rem;
  opacity: 0;
  animation: fadeUp 0.6s 0.35s forwards;
}
.hero-name .highlight { color: var(--accent); }

.hero-bio {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 480px;
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: fadeUp 0.6s 0.5s forwards;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.6s 0.65s forwards;
}

/* ── BOTÕES ── */
.btn {
  font-family: 'DM Mono', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.8rem 2rem;
  border-radius: 6px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
  display: inline-block;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
}
.btn-primary:hover { background: #6858e8; transform: translateY(-2px); }

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--accent2); color: var(--accent2); transform: translateY(-2px); }

/* ── PROFILE CARD (hero) ── */
.hero-visual {
  display: flex;
  justify-content: center;
  opacity: 0;
  animation: fadeIn 0.8s 0.7s forwards;
}

.profile-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2.5rem;
  text-align: center;
  width: 280px;
  position: relative;
  overflow: hidden;
}
.profile-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
}

.profile-avatar {
  width: 90px; height: 90px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.2rem;
  font-family: 'Syne', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
}

.profile-card h3 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
}
.profile-card p {
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.profile-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  justify-content: center;
}

.badge {
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  padding: 0.3rem 0.7rem;
  background: rgba(124, 106, 247, 0.12);
  border: 1px solid rgba(124, 106, 247, 0.25);
  color: var(--accent);
  border-radius: 4px;
  letter-spacing: 0.05em;
}
.badge.teal {
  background: rgba(62, 207, 207, 0.1);
  border-color: rgba(62, 207, 207, 0.2);
  color: var(--accent2);
}

.contact-list {
  margin-top: 1.5rem;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.contact-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: var(--muted);
}
.contact-item .icon { font-size: 1rem; }

/* ── CABEÇALHO DE SECÇÃO ── */
.section-header { margin-bottom: 3rem; }

.section-tag {
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  color: var(--accent2);
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

.section-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

/* ── SOBRE ── */
#sobre { padding: 6rem 0; }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.about-text p {
  color: var(--muted);
  margin-bottom: 1rem;
  font-size: 1rem;
}

.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.info-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.2rem;
}
.info-card .label {
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.3rem;
}
.info-card .value {
  font-weight: 500;
  font-size: 0.9rem;
}

/* ── COMPETÊNCIAS ── */
#competencias { padding: 6rem 0; background: var(--surface); }

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.skill-group {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.8rem;
}
.skill-group h4 {
  font-family: 'Syne', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--border);
}

.skill-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.9rem;
}
.skill-item:last-child { margin-bottom: 0; }

.skill-name {
  font-family: 'DM Mono', monospace;
  font-size: 0.82rem;
  color: var(--text);
}

.skill-bar {
  width: 100px;
  height: 4px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.skill-fill {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transition: width 1.2s ease;
}

/* ── IDIOMAS ── */
.lang-section-title {
  font-family: 'Syne', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--muted);
  letter-spacing: 0.03em;
}

.lang-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1.5rem;
}

.lang-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.8rem;
}
.lang-card h4 {
  font-family: 'Syne', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.lang-native {
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  color: var(--accent2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.lang-levels {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.5rem;
}
.lang-level {
  background: var(--border);
  border-radius: 6px;
  padding: 0.4rem 0.3rem;
  text-align: center;
}
.lang-level .ll {
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  color: var(--accent);
}
.lang-level .lt {
  font-size: 0.6rem;
  color: var(--muted);
  margin-top: 0.1rem;
}

/* ── EXPERIÊNCIA ── */
#experiencia { padding: 6rem 0; }

.timeline { position: relative; }
.timeline::before {
  content: '';
  position: absolute;
  left: 16px;
  top: 0; bottom: 0;
  width: 1px;
  background: var(--border);
}

.timeline-item {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.timeline-dot {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.timeline-content {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.8rem;
}

.timeline-date {
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  color: var(--accent2);
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}
.timeline-title {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 0.3rem;
}
.timeline-subtitle {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 1rem;
}

.timeline-list { list-style: none; }
.timeline-list li {
  font-size: 0.88rem;
  color: var(--muted);
  padding: 0.25rem 0 0.25rem 1rem;
  position: relative;
}
.timeline-list li::before {
  content: '▸';
  color: var(--accent);
  position: absolute;
  left: 0;
  font-size: 0.7rem;
  top: 0.35rem;
}

/* ── EDUCAÇÃO ── */
#educacao { padding: 6rem 0; background: var(--surface); }

.edu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.edu-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
}
.edu-card:hover { border-color: var(--accent); transform: translateY(-4px); }
.edu-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}
.edu-card:hover::after { transform: scaleX(1); }

.edu-period {
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  color: var(--accent2);
  letter-spacing: 0.1em;
  margin-bottom: 0.8rem;
}
.edu-degree {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0.4rem;
  line-height: 1.3;
}
.edu-school {
  font-family: 'DM Mono', monospace;
  font-size: 0.78rem;
  color: var(--muted);
}
.edu-level {
  display: inline-block;
  margin-top: 1rem;
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  padding: 0.25rem 0.6rem;
  background: rgba(124, 106, 247, 0.1);
  border: 1px solid rgba(124, 106, 247, 0.2);
  color: var(--accent);
  border-radius: 4px;
}

/* ── PROJETOS ── */
#projetos { padding: 6rem 0; }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.project-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: all 0.3s;
  cursor: pointer;
}
.project-card:hover { border-color: var(--accent); transform: translateY(-6px); }
.project-card.placeholder { opacity: 0.45; }

.project-number {
  font-family: 'Syne', sans-serif;
  font-size: 3rem;
  font-weight: 800;
  color: var(--border);
  line-height: 1;
  margin-bottom: 1.2rem;
}
.project-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}
.project-tag {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  padding: 0.2rem 0.5rem;
  background: var(--border);
  border-radius: 3px;
  color: var(--muted);
  letter-spacing: 0.06em;
}
.project-title {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0.6rem;
}
.project-desc {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.6;
}
.project-arrow {
  position: absolute;
  right: 1.5rem;
  bottom: 1.5rem;
  font-size: 1rem;
  color: var(--accent);
  opacity: 0;
  transition: opacity 0.2s, transform 0.2s;
}
.project-card:hover .project-arrow { opacity: 1; transform: translate(3px, -3px); }

.placeholder-msg {
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  color: var(--muted);
  text-align: center;
  margin-top: 2rem;
  letter-spacing: 0.06em;
}

/* ── CONFERÊNCIAS ── */
#conferencias { padding: 6rem 0; background: var(--surface); }

.conf-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2rem;
  align-items: start;
  max-width: 750px;
}
.conf-icon {
  width: 56px; height: 56px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(124,106,247,0.2), rgba(62,207,207,0.1));
  border: 1px solid rgba(124, 106, 247, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}
.conf-title {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
  line-height: 1.3;
}
.conf-desc {
  font-size: 0.88rem;
  color: var(--muted);
}

/* ── FOOTER ── */
footer {
  padding: 3rem 0;
  border-top: 1px solid var(--border);
  text-align: center;
}
footer p {
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.05em;
}
footer a { color: var(--accent); text-decoration: none; }

/* ── ANIMAÇÕES ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes blobA {
  to { transform: translate(-60px, 80px) scale(1.1); }
}
@keyframes blobB {
  to { transform: translate(60px, -80px) scale(1.15); }
}

/* ── SCROLL REVEAL ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── RESPONSIVO ── */
@media (max-width: 900px) {
  nav { padding: 1rem 1.5rem; }
  .nav-links { gap: 1.5rem; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .about-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr 1fr; }
  .projects-grid { grid-template-columns: 1fr 1fr; }
  .edu-grid { grid-template-columns: 1fr; }
  .lang-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .nav-links { display: none; }
  .skills-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: 1fr; }
  .lang-grid { grid-template-columns: 1fr; }
}