/* ==========================================================================
   THÉO DANTAS — PORTFÓLIO
   Design: base azul-marinho profundo, tipografia técnica (Space Grotesk +
   Inter + JetBrains Mono), cursor interativo com spotlight e uma seção de
   "Conhecimentos" tratada como tabela de dados — nod direto à área de Dados.
   ========================================================================== */

/* ===========================
   1. CUSTOM PROPERTIES
   =========================== */
:root {
  /* Superfícies — azul-marinho em camadas */
  --bg: #060910;
  --bg-elevated: #0b1119;
  --surface: #0e1622;
  --surface-hover: #121d2c;
  --border: rgba(133, 163, 209, 0.14);
  --border-strong: rgba(133, 163, 209, 0.28);

  /* Texto */
  --text-primary: #eef3fb;
  --text-secondary: #92a1ba;
  --text-faint: #57657f;

  /* Acento — azul elétrico sobre base marinho */
  --accent: #2f84d6;
  --accent-bright: #6ab8ff;
  --accent-dim: #143453;
  --accent-glow: rgba(74, 168, 255, 0.35);

  /* Tipografia */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Layout */
  --nav-height: 7.2rem;
  --radius: 0.8rem;
  --max-w: 118rem;
}

/* ===========================
   2. RESET GLOBAL
   =========================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
  scrollbar-width: thin;
  scrollbar-color: var(--border-strong) var(--bg);
}

::selection {
  background: var(--accent-dim);
  color: var(--accent-bright);
}

/* ===========================
   3. CONFIGURAÇÕES BASE
   =========================== */
html {
  scroll-behavior: smooth;
  font-size: 62.5%;
}

body {
  background-color: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.65;
  font-size: 1.6rem;
  overflow-x: hidden;
  position: relative;
}

/* fundo técnico sutil: grade de pontos fixa */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: radial-gradient(var(--border) 1px, transparent 1px);
  background-size: 3.2rem 3.2rem;
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
}

main,
footer {
  position: relative;
  z-index: 1;
}

/* ===========================
   4. ELEMENTOS PADRÃO
   =========================== */
ul {
  list-style: none;
}

a {
  text-decoration: none;
  color: inherit;
  transition: 0.25s ease;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  color: var(--accent-bright);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
}

.eyebrow::before {
  content: "";
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--accent-bright);
  box-shadow: 0 0 0.8rem var(--accent-glow);
}

/* ===========================
   5. CURSOR INTERATIVO
   =========================== */
@media (hover: hover) and (pointer: fine) {
  body.custom-cursor-active {
    cursor: none;
  }

  .cursor-dot,
  .cursor-ring {
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 999;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    will-change: transform;
  }

  .cursor-dot {
    width: 0.6rem;
    height: 0.6rem;
    background: var(--accent-bright);
    transition: opacity 0.2s ease;
  }

  .cursor-ring {
    width: 3.6rem;
    height: 3.6rem;
    border: 0.1rem solid var(--border-strong);
    transition: width 0.25s ease, height 0.25s ease, border-color 0.25s ease, background 0.25s ease;
  }

  .cursor-ring.is-active {
    width: 5.6rem;
    height: 5.6rem;
    border-color: var(--accent-bright);
    background: var(--accent-glow);
  }
}

/* ===========================
   6. NAVIGATION
   =========================== */
#navigation {
  width: 100%;
  height: var(--nav-height);
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  background-color: rgba(6, 9, 16, 0.72);
  backdrop-filter: blur(1.4rem);
  border-bottom: 0.1rem solid var(--border);
  display: flex;
  align-items: center;
}

#navigation .wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0 4.0rem;
  max-width: 140.0rem;
  margin: 0 auto;
}

#navigation .logo {
  flex: 1;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 500;
  color: var(--text-primary);
}

#navigation .logo span {
  color: var(--accent-bright);
}

.nav-links {
  flex: 2;
  display: flex;
  justify-content: center;
  gap: 3.6rem;
  white-space: nowrap;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
  position: relative;
  padding-bottom: 0.2rem;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.3rem;
  width: 0;
  height: 0.15rem;
  background: var(--accent-bright);
  transition: width 0.25s ease;
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-links a:hover::after {
  width: 100%;
}

.social-links {
  flex: 1;
  display: flex;
  justify-content: flex-end;
  gap: 1.6rem;
}

#navigation .social-links a,
#footer .social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
}

#navigation .social-links svg,
#footer .social-links svg {
  width: 2.0rem;
  height: 2.0rem;
  fill: var(--text-secondary);
  transition: all 0.25s ease;
}

#navigation .social-links a:hover svg,
#footer .social-links a:hover svg {
  fill: var(--accent-bright);
  transform: translateY(-0.2rem);
}

/* ===========================
   7. GLOBAL STRUCTURE
   =========================== */
section {
  width: 100%;
  overflow: hidden;
}

.wrapper {
  width: min(110rem, 90%);
  margin-inline: auto;
}

.section-header {
  display: flex;
  flex-direction: column;
  gap: 1.0rem;
  margin-bottom: 5.6rem;
}

.section-header h2 {
  font-size: 3.6rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* ===========================
   8. SECTION HOME
   =========================== */
#home {
  padding-top: var(--nav-height);
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-color: var(--bg);
  position: relative;
}

/* spotlight que segue o cursor — só desktop */
@media (hover: hover) and (pointer: fine) {
  #home::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(38rem circle at var(--spot-x, 50%) var(--spot-y, 30%),
        rgba(47, 132, 214, 0.14), transparent 65%);
    pointer-events: none;
    transition: opacity 0.4s ease;
  }
}

#home .wrapper {
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  gap: 4.0rem;
}

#home .col-a {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1.6rem;
}

#home h1 {
  font-size: 6.0rem;
  line-height: 1.08;
  color: var(--text-primary);
  font-weight: 700;
  margin-top: 0.6rem;
}

#home h1 .highlight {
  color: var(--accent-bright);
}

#home .typing-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 1.9rem;
  color: var(--text-secondary);
  margin-top: 0.4rem;
}

#home .typing-row::before {
  content: ">";
  color: var(--accent-bright);
}

#home .typing {
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  border-right: 0.2rem solid var(--accent-bright);
}

#home .cta-row {
  display: flex;
  gap: 1.6rem;
  margin-top: 2.0rem;
  flex-wrap: wrap;
}

.btn {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  padding: 1.3rem 2.4rem;
  border-radius: 0.5rem;
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  transition: all 0.25s ease;
}

.btn-primary {
  background: var(--accent);
  color: #05101c;
  font-weight: 600;
  border: 0.1rem solid var(--accent);
}

.btn-primary:hover {
  background: var(--accent-bright);
  border-color: var(--accent-bright);
  transform: translateY(-0.2rem);
  box-shadow: 0 0.8rem 2.4rem var(--accent-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border: 0.1rem solid var(--border-strong);
}

.btn-ghost:hover {
  border-color: var(--accent-bright);
  color: var(--accent-bright);
  transform: translateY(-0.2rem);
}

#home .col-b {
  flex: 1;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  position: relative;
}

#home .col-b .frame {
  position: relative;
  width: 100%;
  max-width: 44rem;
}

#home .col-b img {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 2.4rem 4rem rgba(0, 0, 0, 0.5));
}

/* ===========================
   9. SECTION ABOUT
   =========================== */
#about {
  background-color: var(--bg-elevated);
  padding-block: 12.0rem;
  border-top: 0.1rem solid var(--border);
  border-bottom: 0.1rem solid var(--border);
}

#about .wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8.0rem;
}

#about .col-b {
  flex-shrink: 0;
}

#about .photo-frame {
  position: relative;
  width: 30rem;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

#about .photo-frame::before {
  content: "";
  position: absolute;
  width: 26rem;
  height: 26rem;
  bottom: 2rem;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-dim) 0%, transparent 72%);
  filter: blur(0.4rem);
  z-index: 0;
}

#about .photo-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--border-strong) 1px, transparent 1px);
  background-size: 1.6rem 1.6rem;
  -webkit-mask-image: radial-gradient(circle at 50% 30%, black, transparent 70%);
  mask-image: radial-gradient(circle at 50% 30%, black, transparent 70%);
  z-index: 0;
}

#about .photo-frame img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 2rem 3rem rgba(0, 0, 0, 0.55));
}

#about .col-a {
  max-width: 56.0rem;
}

#about .col-a .eyebrow {
  margin-bottom: 1.2rem;
}

#about h2 {
  font-size: 3.6rem;
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 2.4rem;
}

#about .content p {
  font-size: 1.65rem;
  color: var(--text-secondary);
  text-align: left;
  margin-bottom: 1.6rem;
}

#about .fact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.6rem 3.2rem;
  margin-top: 3.2rem;
  padding-top: 3.2rem;
  border-top: 0.1rem solid var(--border);
}

#about .fact-grid dt {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.4rem;
}

#about .fact-grid dd {
  font-size: 1.5rem;
  color: var(--text-primary);
  font-weight: 500;
}

/* ===========================
   10. SECTION PROJECTS
   =========================== */
#projects {
  padding-block: 12.0rem;
  background-color: var(--bg);
}

#projects .cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.4rem;
}

#projects .project-card {
  position: relative;
  background: var(--surface);
  border: 0.1rem solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: 300ms ease;
  display: flex;
  flex-direction: column;
}

#projects .project-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-0.4rem);
  background: var(--surface-hover);
}

.project-image {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-bottom: 0.1rem solid var(--border);
  background: var(--bg-elevated);
}

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

#projects .project-card:hover .project-image img {
  transform: scale(1.05);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(6, 9, 16, 0.82);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.6rem;
  opacity: 0;
  z-index: 5;
  transition: 300ms ease;
}

#projects .project-card:hover .project-overlay {
  opacity: 1;
}

.social-circle {
  width: 4.6rem;
  height: 4.6rem;
  background: var(--surface);
  border: 0.1rem solid var(--border-strong);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1.2rem;
  transition: 250ms ease;
}

.social-circle svg {
  width: 100%;
  height: 100%;
  fill: var(--text-primary);
  stroke: var(--text-primary);
}

.social-circle:hover {
  background: var(--accent);
  border-color: var(--accent);
  transform: scale(1.08);
}

.social-circle:hover svg {
  fill: #05101c;
  stroke: #05101c;
}

.project-body {
  padding: 2.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  flex: 1;
}

#projects h3 {
  font-size: 2.1rem;
  color: var(--text-primary);
  font-weight: 600;
}

#projects p {
  font-size: 1.45rem;
  color: var(--text-secondary);
  line-height: 1.5;
  flex: 1;
}

.techs {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--accent-bright);
  letter-spacing: 0.02em;
  padding-top: 0.8rem;
  border-top: 0.1rem solid var(--border);
  margin-top: 0.4rem;
}

/* ===========================
   11. SECTION KNOWLEDGE — tabela de dados
   =========================== */
#knowledge {
  padding-block: 12.0rem;
  background-color: var(--bg-elevated);
  border-top: 0.1rem solid var(--border);
  border-bottom: 0.1rem solid var(--border);
}

#knowledge .table-head {
  display: grid;
  grid-template-columns: 6rem 1fr 2fr;
  padding: 0 2.4rem 1.2rem;
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 0.1rem solid var(--border-strong);
}

#knowledge .rows {
  display: flex;
  flex-direction: column;
}

#knowledge .row {
  display: grid;
  grid-template-columns: 6rem 1fr 2fr;
  align-items: center;
  padding: 2.0rem 2.4rem;
  border-bottom: 0.1rem solid var(--border);
  transition: background 250ms ease;
}

#knowledge .row:hover {
  background: var(--surface);
}

#knowledge .row .icon {
  width: 3.6rem;
  height: 3.6rem;
  object-fit: contain;
}

#knowledge .row .icon.icon-svg {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-bright);
  border: 0.1rem solid var(--border-strong);
  border-radius: 0.6rem;
  background: var(--accent-dim);
}

#knowledge .row .icon.icon-svg svg {
  width: 2.0rem;
  height: 2.0rem;
}

#knowledge .row h3 {
  font-size: 1.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

#knowledge .row p {
  font-size: 1.4rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ===========================
   12. SECTION CONTACT
   =========================== */
#contact {
  padding-block: 12.0rem;
  background-color: var(--bg);
}

#contact .wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

#contact .section-header {
  align-items: center;
  margin-bottom: 2.4rem;
}

#contact p.lead {
  color: var(--text-secondary);
  font-size: 1.7rem;
  max-width: 52rem;
  margin-bottom: 4.0rem;
}

#contact .contact-content {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2.0rem;
  flex-wrap: wrap;
}

/* ===========================
   13. FOOTER
   =========================== */
#footer {
  background-color: var(--bg-elevated);
  padding-block: 5.0rem;
  border-top: 0.1rem solid var(--border);
}

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

#footer .col-a {
  text-align: left;
}

#footer p {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  color: var(--text-faint);
  line-height: 1.6;
}

#footer .social-links {
  display: flex;
  gap: 2.0rem;
}

/* ===========================
   ANIMAÇÃO DE REVELAÇÃO
   =========================== */
.reveal {
  opacity: 0;
  transition: all 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.from-right {
  transform: translateX(4rem);
}

.from-left {
  transform: translateX(-4rem);
}

.from-top {
  transform: translateY(-4rem);
}

.from-bottom {
  transform: translateY(4rem);
}

.fade-in {
  transform: none;
}

.reveal.active {
  opacity: 1;
  transform: translate(0, 0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  * {
    scroll-behavior: auto !important;
  }
}

/* ===========================
   RESPONSIVIDADE
   =========================== */
@media (max-width: 950px) {
  #projects .cards {
    grid-template-columns: repeat(2, 1fr);
  }

  #projects .project-card:last-child:nth-child(odd) {
    grid-column: span 2;
  }
}

@media (max-width: 900px) {
  #home h1 {
    font-size: 4.6rem;
  }
}

@media (max-width: 850px) {
  #about .wrapper {
    flex-direction: column;
    text-align: center;
    gap: 4.0rem;
  }

  #about .col-a {
    max-width: 100%;
  }

  #about .fact-grid {
    text-align: left;
  }
}

@media (max-width: 800px) {
  .section-header h2 {
    font-size: 3.0rem;
  }

  #about,
  #projects,
  #knowledge,
  #contact {
    padding-block: 6.0rem;
  }

  #navigation .nav-links {
    display: none;
  }

  #home .wrapper {
    flex-direction: column-reverse;
    text-align: center;
    justify-content: center;
    padding-top: 4rem;
    padding-bottom: 4rem;
    gap: 4.8rem;
  }

  #home .col-a {
    align-items: center;
  }

  #home .cta-row {
    justify-content: center;
  }

  #home h1 {
    font-size: 3.8rem;
  }

  #home .col-b {
    justify-content: center;
  }

  #home .col-b .frame {
    max-width: 30rem;
  }

  #knowledge .table-head {
    display: none;
  }

  #knowledge .row {
    grid-template-columns: 4.4rem 1fr;
    grid-template-areas:
      "icon title"
      "desc desc";
    row-gap: 0.6rem;
  }

  #knowledge .row .icon {
    grid-area: icon;
    width: 2.8rem;
    height: 2.8rem;
  }

  #knowledge .row h3 {
    grid-area: title;
  }

  #knowledge .row p {
    grid-area: desc;
  }
}

@media (max-width: 700px) {
  #footer .wrapper {
    flex-direction: column;
    align-items: center;
    gap: 2.4rem;
    text-align: center;
  }
}

@media (max-width: 650px) {
  #projects .cards {
    grid-template-columns: 1fr;
  }

  #projects .project-card:last-child:nth-child(odd) {
    grid-column: auto;
  }
}

@media (max-width: 600px) {
  #contact .contact-content {
    flex-direction: column;
    gap: 1.6rem;
  }
}