/* ============================
   VARIABLES & RESET
   ============================ */
:root {
  --bg:          #080808;
  --bg-card:     #101010;
  --bg-card-hover: #161616;
  --border:      #1f1f1f;
  --border-light: #2a2a2a;
  --text:        #f0f0f0;
  --text-muted:  #666666;
  --text-dim:    #333333;
  --accent:      #ffffff;
  --font-display: 'Syne', sans-serif;
  --font-body:   'DM Sans', sans-serif;
  --transition:  0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --radius:      6px;
  --max-w:       1100px;
  --header-h:    70px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  cursor: none;
}

a {
  color: var(--text);
  text-decoration: none;
  transition: opacity var(--transition);
}

a:hover {
  opacity: 0.6;
}

ul {
  list-style: none;
}

img, iframe {
  display: block;
  max-width: 100%;
  border: none;
}

/* ============================
   CUSTOM CURSOR
   ============================ */
#cursor {
  position: fixed;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.1s ease, width 0.3s ease, height 0.3s ease;
}

#cursor-follower {
  position: fixed;
  width: 32px;
  height: 32px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: transform 0.15s ease, width 0.3s ease, height 0.3s ease, opacity 0.3s ease;
}

body.cursor-hover #cursor {
  width: 12px;
  height: 12px;
  background: var(--accent);
}

body.cursor-hover #cursor-follower {
  width: 48px;
  height: 48px;
  opacity: 0.5;
}

/* ============================
   SCROLL REVEAL
   ============================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* ============================
   HEADER
   ============================ */
#header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-h);
  z-index: 1000;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}

#header.scrolled {
  background: rgba(8, 8, 8, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--border);
}

.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  height: 100%;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  color: var(--text);
  opacity: 1;
}

.logo:hover {
  opacity: 1;
}

nav ul {
  display: flex;
  gap: 36px;
  align-items: center;
}

nav a {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  position: relative;
  transition: color var(--transition);
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width var(--transition);
}

nav a:hover,
nav a.active {
  color: var(--accent);
  opacity: 1;
}

nav a:hover::after,
nav a.active::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
  gap: 6px;
  background: none;
  border: none;
  cursor: none;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  height: 1px;
  background: var(--text);
  transition: all var(--transition);
}

.menu-toggle span:first-child { width: 24px; }
.menu-toggle span:last-child  { width: 16px; }

.menu-toggle.open span:first-child {
  width: 20px;
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.open span:last-child {
  width: 20px;
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================
   MOBILE MENU
   ============================ */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100dvh;
  background: var(--bg);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-menu ul {
  text-align: center;
}

.mobile-menu li {
  margin: 20px 0;
}

.mobile-menu a {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-muted);
  transition: color var(--transition);
}

.mobile-menu a:hover {
  color: var(--accent);
  opacity: 1;
}

/* ============================
   SECTIONS — COMMON
   ============================ */
section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 120px 40px;
}

.section-header {
  display: flex;
  align-items: baseline;
  gap: 20px;
  margin-bottom: 64px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.section-num {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--text-dim);
  text-transform: uppercase;
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

/* ============================
   HERO
   ============================ */
#hero {
  min-height: 100dvh;
  max-width: 100%;
  padding: 0 40px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero-content {
  max-width: var(--max-w);
  width: 100%;
  margin: 0 auto;
}

.hero-tag {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 10vw, 9rem);
  font-weight: 800;
  line-height: 0.92;
  letter-spacing: -0.04em;
  margin-bottom: 48px;
  display: flex;
  flex-direction: column;
}

.hero-name span:first-child {
  color: var(--text);
}

.hero-name span:last-child {
  color: var(--text-muted);
}

.hero-bottom {
  display: flex;
  align-items: center;
  gap: 40px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: var(--text);
  color: var(--bg);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  border: 1px solid var(--text);
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
  cursor: none;
  opacity: 1;
}

.btn-primary:hover {
  background: transparent;
  color: var(--text);
  opacity: 1;
}

.hero-scroll {
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
}

.hero-number {
  position: absolute;
  right: 40px;
  bottom: 40px;
  font-family: var(--font-display);
  font-size: clamp(5rem, 14vw, 12rem);
  font-weight: 800;
  color: transparent;
  -webkit-text-stroke: 1px var(--border-light);
  line-height: 1;
  pointer-events: none;
  user-select: none;
}

/* ============================
   SOBRE
   ============================ */
.sobre-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.sobre-text p {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.8;
}

.sobre-text a {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--border-light);
  transition: text-decoration-color var(--transition);
  opacity: 1;
}

.sobre-text a:hover {
  text-decoration-color: var(--text);
  opacity: 1;
}

.sobre-info {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.info-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  gap: 20px;
}

.info-item:first-child {
  border-top: 1px solid var(--border);
}

.info-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  font-weight: 500;
  flex-shrink: 0;
}

.info-value {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-align: right;
}

/* ============================
   EDUCAÇÃO
   ============================ */
.timeline {
  position: relative;
  padding-left: 32px;
  border-left: 1px solid var(--border);
}

.timeline-item {
  position: relative;
  padding-bottom: 40px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -37px;
  top: 6px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-dim);
  border: 1px solid var(--border-light);
}

.timeline-period {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 8px;
  font-weight: 500;
}

.timeline-content h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}

.timeline-content p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ============================
   EXPERIÊNCIA
   ============================ */
.exp-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.exp-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.exp-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-light);
  transform: translateY(-4px);
}

.exp-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  gap: 12px;
}

.exp-role {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  background: var(--border);
  padding: 3px 10px;
  border-radius: 20px;
}

.exp-period {
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.exp-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 20px;
  line-height: 1.3;
}

.exp-card ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.exp-card li {
  font-size: 0.88rem;
  color: var(--text-muted);
  padding-left: 16px;
  position: relative;
}

.exp-card li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--text-dim);
}

/* ============================
   CERTIFICADOS
   ============================ */
.cert-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
}

.cert-card:hover {
  border-color: var(--border-light);
}

.cert-info {
  padding: 24px 28px;
  display: flex;
  align-items: center;
  gap: 16px;
  border-bottom: 1px solid var(--border);
}

.cert-year {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  background: var(--border);
  padding: 3px 10px;
  border-radius: 20px;
  flex-shrink: 0;
}

.cert-info h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

.cert-issuer {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-left: auto;
  flex-shrink: 0;
  letter-spacing: 0.05em;
}

.cert-embed {
  padding: 0;
}

.cert-embed iframe {
  border-radius: 0;
  display: block;
  filter: invert(1) brightness(0.85);
  height: 700px;
}

/* ============================
   PROJETOS
   ============================ */
.proj-grid {
  display: grid;
  gap: 24px;
}

.proj-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
}

.proj-card:hover {
  border-color: var(--border-light);
}

.proj-embed iframe {
  border-radius: 0;
  width: 100%;
  height: 200px;
}

/* ============================
   CONTACTOS
   ============================ */
.contact-intro {
  color: var(--text-muted);
  margin-bottom: 40px;
  font-size: 1rem;
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 1rem;
  transition: color var(--transition);
  opacity: 1;
}

.contact-item:first-child {
  border-top: 1px solid var(--border);
}

.contact-item:hover {
  color: var(--text);
  opacity: 1;
}

.contact-icon {
  font-size: 1rem;
  color: var(--text-dim);
  width: 24px;
  text-align: center;
  flex-shrink: 0;
}

/* ============================
   FOOTER
   ============================ */
footer {
  border-top: 1px solid var(--border);
  padding: 32px 40px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

footer span {
  font-size: 0.8rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}

/* ============================
   RESPONSIVE
   ============================ */
@media (max-width: 900px) {
  section {
    padding: 100px 24px;
  }

  #hero {
    padding: 0 24px;
  }

  .header-inner {
    padding: 0 24px;
  }

  .sobre-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .exp-grid,
  .cert-grid {
    grid-template-columns: 1fr;
  }

  nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  footer {
    padding: 32px 24px;
  }
}

@media (max-width: 600px) {
  :root {
    --header-h: 60px;
  }

  section {
    padding: 80px 20px;
  }

  #hero {
    padding: 0 20px;
    align-items: flex-end;
    padding-bottom: 80px;
    min-height: 100dvh;
  }

  .hero-name {
    font-size: clamp(3rem, 14vw, 5rem);
  }

  .hero-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

  .hero-number {
    font-size: clamp(4rem, 28vw, 8rem);
    right: 20px;
    bottom: 80px;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .exp-card,
  .cert-info {
    padding: 24px 20px;
  }

  .exp-card-top {
    flex-wrap: wrap;
  }

  .footer-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .header-inner {
    padding: 0 20px;
  }

  #cursor,
  #cursor-follower {
    display: none;
  }

  body {
    cursor: auto;
  }
}

/* ============================
   SCROLLBAR
   ============================ */
::-webkit-scrollbar {
  width: 4px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--border-light);
  border-radius: 2px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-dim);
}

/* ============================
   SELECTION
   ============================ */
::selection {
  background: var(--text);
  color: var(--bg);
}