/* =========================================================
   PORTFÓLIO — style.css
   Índice:
   1. Reset & Variáveis (Design Tokens)
   2. Tipografia base
   3. Utilitários
   4. Header & Navegação
   5. Hero
   6. Sobre
   7. Tecnologias
   8. Projetos
   9. Estatísticas
   10. Contato
   11. Footer
   12. Botão voltar ao topo
   13. Scroll reveal
   ========================================================= */

/* ---------- 1. Reset & Variáveis ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Paleta — tema escuro (padrão) */
  --color-bg: #0b0f19;
  --color-bg-alt: #0e1422;
  --color-surface: #111827;
  --color-surface-2: #161e2e;
  --color-border: #1f2937;
  --color-text: #f3f4f6;
  --color-text-muted: #9ca3af;
  --color-text-faint: #6b7280;

  --color-accent: #3b82f6;
  --color-accent-hover: #2563eb;
  --color-accent-soft: rgba(59, 130, 246, 0.12);
  --color-accent-2: #22d3ee;

  --color-success: #34d399;
  --color-danger: #f87171;

  --gradient-text: linear-gradient(90deg, #3b82f6, #22d3ee);
  --gradient-glow: radial-gradient(600px circle at 30% 20%, rgba(59, 130, 246, 0.25), transparent 60%);

  /* Tipografia */
  --font-display: "Poppins", "Inter", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  /* Espaçamento */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  /* Layout */
  --container-w: 1160px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --header-h: 76px;

  /* Movimento */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --transition-fast: 0.2s var(--ease);
  --transition-base: 0.4s var(--ease);

  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 0 1px rgba(59, 130, 246, 0.15), 0 12px 40px rgba(59, 130, 246, 0.12);
}

/* Paleta — tema claro */
[data-theme="light"] {
  --color-bg: #f8fafc;
  --color-bg-alt: #f1f5f9;
  --color-surface: #ffffff;
  --color-surface-2: #f1f5f9;
  --color-border: #e2e8f0;
  --color-text: #0f172a;
  --color-text-muted: #475569;
  --color-text-faint: #94a3b8;
  --color-accent-soft: rgba(59, 130, 246, 0.08);
  --shadow-md: 0 8px 30px rgba(15, 23, 42, 0.08);
  --shadow-glow: 0 0 0 1px rgba(59, 130, 246, 0.15), 0 12px 40px rgba(59, 130, 246, 0.10);
}

@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--transition-base), color var(--transition-base);
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input,
textarea {
  font-family: inherit;
  font-size: 1rem;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-accent);
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: 0 0 8px 0;
  z-index: 999;
}

.skip-link:focus {
  left: 0;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 2. Tipografia base ---------- */
h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.text-gradient {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- 3. Utilitários ---------- */
.container {
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.section {
  padding-block: var(--space-2xl);
}

.section--alt {
  background-color: var(--color-bg-alt);
}

.section-label {
  font-family: var(--font-mono);
  color: var(--color-accent);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  margin-bottom: var(--space-sm);
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  margin-bottom: var(--space-sm);
}

.section-subtitle {
  color: var(--color-text-muted);
  max-width: 560px;
  margin-bottom: var(--space-xl);
  font-size: 1.05rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
  white-space: nowrap;
}

.btn svg {
  transition: transform var(--transition-fast);
}

.btn:hover svg {
  transform: translateX(3px);
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.35);
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(59, 130, 246, 0.45);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn--ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

.btn--sm {
  padding: 0.55rem 1.1rem;
  font-size: 0.85rem;
}

.btn--block {
  width: 100%;
  margin-top: var(--space-xs);
}

.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.chip {
  padding: 0.5rem 1rem;
  border-radius: 999px;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  font-size: 0.85rem;
  font-weight: 500;
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  margin-bottom: var(--space-md);
}

.eyebrow__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.2);
  animation: pulse 2s infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.4;
  }
}

.social-link {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.social-link:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
  transform: translateY(-3px);
}

/* ---------- 4. Header & Navegação ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  z-index: 100;
  background: transparent;
  transition: background-color var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
  border-bottom: 1px solid transparent;
}

.header.is-scrolled {
  background: rgba(11, 15, 25, 0.75);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

[data-theme="light"] .header.is-scrolled {
  background: rgba(248, 250, 252, 0.8);
}

.header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--color-text);
}

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

.nav__list {
  display: flex;
  gap: var(--space-lg);
}

.nav__link {
  position: relative;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-text-muted);
  padding-block: 0.4rem;
  transition: color var(--transition-fast);
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-fast);
}

.nav__link:hover {
  color: var(--color-text);
}

.nav__link.active {
  color: var(--color-accent);
}

.nav__link.active::after {
  width: 100%;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
  position: relative;
}

.theme-toggle:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.icon--moon {
  display: none;
  position: absolute;
}

[data-theme="light"] .icon--sun {
  display: none;
}

[data-theme="light"] .icon--moon {
  display: block;
  position: static;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* ---------- 5. Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__glow {
  position: absolute;
  inset: 0;
  background: var(--gradient-glow);
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--color-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 30%, transparent 75%);
  opacity: 0.5;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-xl);
  align-items: center;
  width: 100%;
}

.hero__title {
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  margin-bottom: var(--space-sm);
}

.hero__desc {
  color: var(--color-text-muted);
  font-size: 1.08rem;
  max-width: 520px;
  margin-bottom: var(--space-lg);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: var(--space-lg);
}

.hero__social {
  display: flex;
  gap: 0.75rem;
}

/* Janela de código estilizada — elemento de assinatura do hero */
.code-window {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-glow);
  transform: perspective(1000px) rotateY(-4deg) rotateX(2deg);
  transition: transform var(--transition-base);
}

.code-window:hover {
  transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.code-window__bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface-2);
}

.code-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.code-dot--red {
  background: #f87171;
}

.code-dot--yellow {
  background: #fbbf24;
}

.code-dot--green {
  background: #34d399;
}

.code-window__title {
  margin-left: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text-faint);
}

.code-window__body {
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.7;
  overflow-x: auto;
  color: var(--color-text-muted);
}

.tk-kw {
  color: #c084fc;
}

.tk-var {
  color: #f3f4f6;
}

.tk-prop {
  color: #93c5fd;
}

.tk-str {
  color: #86efac;
}

.tk-fn {
  color: #fbbf24;
}

.scroll-cue {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.scroll-cue__mouse {
  width: 24px;
  height: 38px;
  border: 2px solid var(--color-text-faint);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}

.scroll-cue__mouse span {
  width: 4px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 2px;
  animation: scrollcue 1.6s infinite;
}

@keyframes scrollcue {
  0% {
    opacity: 1;
    transform: translateY(0);
  }

  100% {
    opacity: 0;
    transform: translateY(10px);
  }
}

/* ---------- 6. Sobre ---------- */
.about__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.about__text p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.about__qualities {
  margin-top: var(--space-md);
  display: grid;
  gap: 0.75rem;
}

.about__qualities li {
  padding-left: 1.4rem;
  position: relative;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.about__qualities li::before {
  content: "▹";
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.about__qualities strong {
  color: var(--color-text);
}

.about__favorites {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.about__favorites-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-bottom: var(--space-md);
}

/* ---------- 7. Tecnologias ---------- */

.skill-card {
  background: #1b2433;
  padding: 30px;
  border-radius: 16px;
  text-align: center;
  transition: .3s;
}

.skill-card:hover {
  transform: translateY(-8px);
}

.skill-icon {
  font-size: 3rem;
  color: #3B82F6;
  margin-bottom: 20px;
}

.skill-card h3 {
  margin-bottom: 10px;
  font-size: 1.3rem;
}

.skill-card p {
  color: #b8c1d1;
  line-height: 1.6;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.skill-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.skill-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-glow);
}
.skill-card__icon { font-size: 1.6rem; margin-bottom: 0.75rem; }
.skill-card h3 { font-size: 1.05rem; margin-bottom: 0.35rem; }
.skill-card p { color: var(--color-text-muted); font-size: 0.88rem; }

/* ---------- 8. Projetos ---------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.project-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-glow);
}

.project-card__media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--color-surface-2);
}

.project-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}

.project-card:hover .project-card__media img {
  transform: scale(1.06);
}

.project-card__body {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.project-card__title {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.project-card__desc {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: var(--space-sm);
  flex: 1;
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: var(--space-sm);
}

.project-card__tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-accent);
  background: var(--color-accent-soft);
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
}

.project-card__actions {
  display: flex;
  gap: 0.6rem;
}

/* ---------- 9. Estatísticas ---------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.stat-card {
  text-align: center;
  padding: var(--space-lg) var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.stat-card__number {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 2.8rem);
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat-card__label {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-top: 0.4rem;
  display: block;
}

/* ---------- 10. Contato ---------- */
.contact__grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: var(--space-xl);
}

.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.form-group input,
.form-group textarea {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  color: var(--color-text);
  resize: vertical;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-faint);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.form-group.has-error input,
.form-group.has-error textarea {
  border-color: var(--color-danger);
}

.form-error {
  font-size: 0.8rem;
  color: var(--color-danger);
  min-height: 1em;
}

.form-status {
  font-size: 0.9rem;
  text-align: center;
  min-height: 1.2em;
}

.form-status.is-success {
  color: var(--color-success);
}

.form-status.is-error {
  color: var(--color-danger);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-info__item {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.contact-info__item:hover {
  border-color: var(--color-accent);
  transform: translateX(4px);
}

.contact-info__item svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

.contact-info__label {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-faint);
}

.contact-info__value {
  display: block;
  font-weight: 500;
  font-size: 0.95rem;
}

/* ---------- 11. Footer ---------- */
.footer {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-xl);
  background: var(--color-bg-alt);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  text-align: center;
}

.footer__thanks {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  max-width: 420px;
}

.footer__social {
  display: flex;
  gap: 0.75rem;
}

.footer__copy {
  color: var(--color-text-faint);
  font-size: 0.85rem;
}

/* ---------- 12. Botão voltar ao topo ---------- */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-fast);
  z-index: 90;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-accent-hover);
  transform: translateY(-3px);
}

/* ---------- 13. Scroll reveal ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}