/* ═══════════════════════════════════════════════
   PORTFÓLIO — style.css
   Tema: Dark · Paleta azul elétrico
   Fonte: Syne (display) + DM Sans (corpo)
═══════════════════════════════════════════════ */

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

:root {
  /* Cores */
  --bg:          #090c12;
  --bg-2:        #0d1117;
  --bg-card:     #111827;
  --border:      rgba(255,255,255,0.07);
  --border-hover:rgba(79,156,249,0.35);

  --blue:        #4f9cf9;
  --blue-dim:    #2563eb;
  --blue-glow:   rgba(79,156,249,0.18);
  --cyan:        #22d3ee;
  --accent:      #4f9cf9;

  --text:        #e2e8f0;
  --text-muted:  #64748b;
  --text-dim:    #94a3b8;

  /* Tipografia */
  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;

  /* Espaços */
  --section-py: 110px;
  --container:  1100px;

  /* Transições */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─────────────────────────────────────
   BASE
───────────────────────────────────── */
html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}

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

::selection {
  background: var(--blue-dim);
  color: #fff;
}

/* scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--blue-dim); border-radius: 99px; }

/* ─────────────────────────────────────
   CURSOR GLOW
───────────────────────────────────── */
.cursor-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(79,156,249,0.06) 0%, transparent 70%);
  pointer-events: none;
  transform: translate(-50%, -50%);
  transition: transform 0.1s linear;
  z-index: 0;
}

/* ─────────────────────────────────────
   UTILITÁRIOS
───────────────────────────────────── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: var(--section-py) 0; }

.accent { color: var(--blue); }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 20px;
}
.section-label span {
  color: var(--text-muted);
}

.section-heading {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 60px;
  line-height: 1.15;
}

/* ─────────────────────────────────────
   SCROLL ANIMATIONS
───────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }
.reveal--delay-4 { transition-delay: 0.4s; }
.reveal--delay-5 { transition-delay: 0.5s; }

/* ─────────────────────────────────────
   NAV
───────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  transition: background 0.4s var(--ease), padding 0.4s var(--ease),
              box-shadow 0.4s var(--ease);
}
.nav.scrolled {
  background: rgba(9,12,18,0.85);
  backdrop-filter: blur(14px);
  padding: 14px 40px;
  box-shadow: 0 1px 0 var(--border);
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
}
.nav__logo span { color: var(--blue); }

.nav__links {
  display: flex;
  gap: 36px;
}
.nav__links a {
  font-size: 0.88rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  transition: color 0.25s;
}
.nav__links a:hover { color: var(--blue); }

/* Burger */
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.nav__burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 99px;
  transition: transform 0.3s var(--ease), opacity 0.3s;
}
.nav__burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger.open span:nth-child(2) { opacity: 0; }
.nav__burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(9,12,18,0.97);
  backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease);
}
.mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}
.mobile-menu ul {
  display: flex;
  flex-direction: column;
  gap: 28px;
  text-align: center;
}
.mobile-menu a {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-dim);
  transition: color 0.2s;
}
.mobile-menu a:hover { color: var(--blue); }

/* ─────────────────────────────────────
   HERO
───────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 120px 24px 80px;
}

/* Grade pontilhada de fundo */
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
  pointer-events: none;
}

/* Orbes de luz */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
}
.orb--1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(37,99,235,0.25), transparent 70%);
  top: -100px; left: -100px;
  animation: float 8s ease-in-out infinite;
}
.orb--2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(34,211,238,0.12), transparent 70%);
  bottom: 0; right: -80px;
  animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%       { transform: translate(20px, -20px) scale(1.04); }
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
}

.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--blue);
  border: 1px solid rgba(79,156,249,0.3);
  padding: 6px 14px;
  border-radius: 99px;
  margin-bottom: 28px;
  background: rgba(79,156,249,0.06);
  letter-spacing: 0.04em;
}
.dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 6px #22c55e;
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 6px #22c55e; }
  50%       { box-shadow: 0 0 14px #22c55e; }
}

.hero__name {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  color: #fff;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 3vw, 1.6rem);
  font-weight: 700;
  color: var(--blue);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero__bio {
  font-size: 1.05rem;
  color: var(--text-dim);
  max-width: 540px;
  margin-bottom: 40px;
  line-height: 1.75;
}

/* Social buttons */
.hero__socials {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
}

.social-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  color: var(--text-dim);
  font-size: 0.9rem;
  font-weight: 400;
  transition: border-color 0.25s, color 0.25s, background 0.25s,
              transform 0.2s var(--ease), box-shadow 0.25s;
}
.social-btn:hover {
  border-color: var(--blue);
  color: var(--blue);
  background: rgba(79,156,249,0.08);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(79,156,249,0.15);
}

/* CTA */
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 10px;
  background: var(--blue);
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: background 0.25s, transform 0.2s var(--ease),
              box-shadow 0.25s;
  box-shadow: 0 0 0 rgba(79,156,249,0);
}
.cta-btn:hover {
  background: var(--blue-dim);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(79,156,249,0.3);
}
.cta-btn svg {
  transition: transform 0.3s var(--ease);
}
.cta-btn:hover svg { transform: translateY(4px); }

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.scroll-indicator__bar {
  width: 2px;
  height: 50px;
  background: linear-gradient(to bottom, var(--blue), transparent);
  border-radius: 99px;
  animation: scroll-drop 2s ease-in-out infinite;
}
@keyframes scroll-drop {
  0%   { opacity: 0; transform: scaleY(0); transform-origin: top; }
  50%  { opacity: 1; transform: scaleY(1); }
  100% { opacity: 0; transform: scaleY(1); transform-origin: bottom; }
}

/* ─────────────────────────────────────
   SOBRE
───────────────────────────────────── */
.about {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.about__grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 80px;
  align-items: center;
}

/* Avatar */
.about__visual {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.about__avatar {
  position: relative;
  width: 200px;
  height: 200px;
}
.avatar-ring {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid transparent;
  background: linear-gradient(135deg, var(--blue), var(--cyan), transparent) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: destination-out;
  mask-composite: exclude;
  animation: spin-ring 8s linear infinite;
}
@keyframes spin-ring {
  to { transform: rotate(360deg); }
}
.avatar-initials {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--blue);
  letter-spacing: -0.04em;
  border: 1px solid var(--border);
}
.avatar-img{
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border);
}

.about__badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.8rem;
  color: var(--blue);
  border: 1px solid rgba(79,156,249,0.3);
  padding: 6px 14px;
  border-radius: 99px;
  background: rgba(79,156,249,0.06);
}

/* Texto */
.about__heading {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 18px;
}
.about__text p {
  color: var(--text-dim);
  margin-bottom: 14px;
  font-size: 1rem;
}

.about__facts {
  display: flex;
  gap: 40px;
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.fact { display: flex; flex-direction: column; gap: 4px; }
.fact__number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--blue);
}
.fact__label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ─────────────────────────────────────
   SKILLS
───────────────────────────────────── */
.skills__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 24px;
  transition: border-color 0.3s, transform 0.3s var(--ease),
              box-shadow 0.3s, background 0.3s;
  cursor: default;
  position: relative;
  overflow: hidden;
}
.skill-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(79,156,249,0.08), transparent 70%);
  opacity: 0;
  transition: opacity 0.4s;
}
.skill-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(79,156,249,0.1);
}
.skill-card:hover::before { opacity: 1; }

.skill-card__icon {
  margin-bottom: 18px;
}
.skill-card__name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.skill-card__desc {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ─────────────────────────────────────
   PROJETOS
───────────────────────────────────── */
.projects { background: var(--bg-2); }

.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.35s var(--ease),
              box-shadow 0.35s;
}
.project-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-8px);
  box-shadow: 0 24px 60px rgba(79,156,249,0.12);
}

.project-card__img {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #0d1117;
}
.project-card__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--border);
  background: linear-gradient(135deg, #0d1117, #111827);
}
.project-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(17,24,39,0.9) 100%);
}

/* Se tiver imagem real */
.project-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}
.project-card:hover .project-card__img img { transform: scale(1.05); }

.project-card__body {
  padding: 24px;
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.tag {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.07em;
  color: var(--blue);
  background: rgba(79,156,249,0.1);
  border: 1px solid rgba(79,156,249,0.25);
  padding: 3px 10px;
  border-radius: 99px;
}

.project-card__name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}
.project-card__desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 20px;
}

.project-card__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 8px 18px;
  border-radius: 8px;
  transition: border-color 0.25s, color 0.25s, background 0.25s,
              transform 0.2s var(--ease);
}
.project-card__btn:hover {
  border-color: var(--blue);
  color: var(--blue);
  background: rgba(79,156,249,0.07);
  transform: translateX(2px);
}
.project-card__btn i {
  font-size: 16px;
  line-height: 1;
}
.project-card__btns {
  display: flex;
  flex-direction: row;
  gap: 10px;
  flex-wrap: wrap;
}
/* ─────────────────────────────────────
   CONTATO
───────────────────────────────────── */
.contact__inner {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}
.contact__heading {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 18px;
}
.contact__sub {
  color: var(--text-dim);
  font-size: 1rem;
  margin-bottom: 48px;
  line-height: 1.7;
}

.contact__links {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-link {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 20px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  transition: border-color 0.3s, transform 0.25s var(--ease),
              box-shadow 0.3s, background 0.3s;
  text-align: left;
}
.contact-link:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: 0 12px 36px rgba(79,156,249,0.1);
  background: rgba(79,156,249,0.04);
}
.contact-link__icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(79,156,249,0.1);
  border: 1px solid rgba(79,156,249,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  flex-shrink: 0;
}
.contact-link div:last-child {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.contact-link strong {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
}
.contact-link span {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ─────────────────────────────────────
   FOOTER
───────────────────────────────────── */
.footer {
  text-align: center;
  padding: 28px 24px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ─────────────────────────────────────
   BACK TO TOP
───────────────────────────────────── */
.back-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 90;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s var(--ease),
              border-color 0.25s, color 0.25s, box-shadow 0.25s;
  transform: translateY(10px);
}
.back-top.visible {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}
.back-top:hover {
  border-color: var(--blue);
  color: var(--blue);
  box-shadow: 0 8px 24px rgba(79,156,249,0.15);
}

/* ─────────────────────────────────────
   RESPONSIVIDADE
───────────────────────────────────── */
@media (max-width: 768px) {
  :root { --section-py: 72px; }

  /* Nav */
  .nav { padding: 16px 20px; }
  .nav.scrolled { padding: 12px 20px; }
  .nav__links { display: none; }
  .nav__burger { display: flex; }

  /* Hero */
  .hero { padding: 110px 24px 70px; }
  .hero__name { font-size: clamp(2.4rem, 10vw, 4rem); }

  /* Sobre */
  .about__grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .about__visual { flex-direction: row; align-items: center; }
  .about__avatar { width: 120px; height: 120px; }
  .avatar-initials { font-size: 1.6rem; }
  .about__facts { gap: 24px; }

  /* Skills */
  .skills__grid { grid-template-columns: repeat(2, 1fr); }

  /* Projetos */
  .projects__grid { grid-template-columns: 1fr; }

  /* Back top */
  .back-top { bottom: 20px; right: 20px; }
}

@media (max-width: 480px) {
  .hero__socials { gap: 8px; }
  .social-btn { padding: 8px 14px; font-size: 0.82rem; }
  .skills__grid { grid-template-columns: 1fr; }
  .about__visual { flex-direction: column; }
}