/* =========================================================
   thalik.dev — portfolio
   Tema: vazio do espaco. Orbita no hero, cards minimalistas.
   ========================================================= */

:root {
  /* fundo profundo (mais "espaco" que o original) */
  --bg: #0a0c11;
  --bg-soft: #0f121a;
  --card: #11141d;
  --card-hi: #161a25;

  /* tinta */
  --white: rgb(233, 235, 240);
  --muted: rgba(233, 235, 240, 0.58);
  --faint: rgba(233, 235, 240, 0.34);

  /* alma da marca */
  --red: rgb(204, 64, 84);
  --red-soft: rgba(204, 64, 84, 0.16);
  --blue: rgb(108, 130, 182);
  --blue-soft: rgba(108, 130, 182, 0.16);

  /* linhas / orbitas */
  --line: rgba(233, 235, 240, 0.09);
  --line-2: rgba(233, 235, 240, 0.16);

  --header-height: 56px;
  --maxw: 1080px;
}

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

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

body {
  font-family: "Space Grotesk", system-ui, sans-serif;
  background-color: var(--bg);
  color: var(--white);
  margin: 0;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: inherit;
}

.display {
  font-family: "Metamorphous", serif;
  font-weight: 400;
  letter-spacing: 0.01em;
}

.mono {
  font-family: "Space Mono", ui-monospace, monospace;
}

/* ---------- header ---------- */

#header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(18px, 5vw, 48px);
  background: rgba(10, 12, 17, 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.brand {
  font-family: "Space Mono", monospace;
  font-size: 0.86rem;
  letter-spacing: 0.04em;
  color: var(--white);
  text-decoration: none;
}
.brand .dot {
  color: var(--red);
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(4px, 2vw, 14px);
}

.link {
  position: relative;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.84rem;
  letter-spacing: 0.02em;
  padding: 8px 10px;
  border-radius: 6px;
  transition:
    color 0.22s ease,
    background 0.22s ease;
}
.link:hover {
  color: var(--white);
  background: rgba(233, 235, 240, 0.05);
}

/* =========================================================
   HERO  /  about  —  o titulo e o sol; satelites orbitam
   ========================================================= */

#about {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: radial-gradient(120% 90% at 50% 38%, #12151f 0%, var(--bg) 62%);
}

/* starfield sutil */
#about::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(
      1.4px 1.4px at 18% 24%,
      rgba(255, 255, 255, 0.7),
      transparent
    ),
    radial-gradient(
      1.2px 1.2px at 73% 16%,
      rgba(255, 255, 255, 0.55),
      transparent
    ),
    radial-gradient(
      1.6px 1.6px at 41% 71%,
      rgba(255, 255, 255, 0.6),
      transparent
    ),
    radial-gradient(
      1.1px 1.1px at 86% 64%,
      rgba(255, 255, 255, 0.5),
      transparent
    ),
    radial-gradient(
      1.3px 1.3px at 9% 82%,
      rgba(255, 255, 255, 0.5),
      transparent
    ),
    radial-gradient(
      1.2px 1.2px at 63% 88%,
      rgba(255, 255, 255, 0.45),
      transparent
    ),
    radial-gradient(
      1.5px 1.5px at 92% 30%,
      rgba(255, 255, 255, 0.55),
      transparent
    ),
    radial-gradient(
      1.1px 1.1px at 30% 12%,
      rgba(255, 255, 255, 0.45),
      transparent
    );
  opacity: 0.55;
  animation: twinkle 7s ease-in-out infinite alternate;
  pointer-events: none;
}

@keyframes twinkle {
  from {
    opacity: 0.35;
  }
  to {
    opacity: 0.7;
  }
}

.hero-orbit {
  position: relative;
  width: min(86vw, 78vh, 640px);
  height: min(86vw, 78vh, 640px);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* glow do "sol" atras do titulo */
.hero-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 46%;
  height: 46%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, var(--red-soft) 0%, transparent 68%);
  filter: blur(14px);
  border-radius: 50%;
  pointer-events: none;
}

/* aneis de orbita */
.orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  border: 1px solid var(--line);
  animation: spin linear infinite;
  pointer-events: none;
}
.orbit-1 {
  width: 50%;
  height: 50%;
  margin: -25% 0 0 -25%;
  animation-duration: 16s;
}
.orbit-2 {
  width: 74%;
  height: 74%;
  margin: -37% 0 0 -37%;
  animation-duration: 26s;
  animation-direction: reverse;
  border-color: var(--line-2);
}
.orbit-3 {
  width: 100%;
  height: 100%;
  margin: -50% 0 0 -50%;
  animation-duration: 40s;
  border-style: dashed;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* satelites: ficam no topo do anel e orbitam com ele */
.satellite {
  position: absolute;
  top: -6px;
  left: 50%;
  width: 12px;
  height: 12px;
  margin-left: -6px;
  border-radius: 50%;
  background: var(--white);
  box-shadow: 0 0 12px 1px rgba(233, 235, 240, 0.7);
}
.orbit-1 .satellite {
  background: var(--red);
  box-shadow: 0 0 14px 2px var(--red);
  width: 14px;
  height: 14px;
  margin-left: -7px;
  top: -7px;
}
.orbit-2 .satellite {
  background: var(--blue);
  box-shadow: 0 0 12px 2px var(--blue);
}
.orbit-3 .satellite {
  width: 8px;
  height: 8px;
  margin-left: -4px;
  top: -4px;
  background: var(--faint);
  box-shadow: 0 0 10px 1px rgba(233, 235, 240, 0.4);
}

/* conteudo central */
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.about-title {
  margin: 0;
  font-size: clamp(2.4rem, 8.5vw, 4.6rem);
  line-height: 1;
  letter-spacing: 0.01em;
  text-shadow: 0 0 32px rgba(204, 64, 84, 0.35);
}

.about-subtitle {
  margin: 16px 0 0;
  font-family: "Space Mono", monospace;
  font-size: clamp(0.74rem, 1.6vw, 0.94rem);
  letter-spacing: 0.16em;
  text-transform: lowercase;
  color: var(--red);
}

/* scroll hint */
.scroll-hint {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  font-family: "Space Mono", monospace;
  font-size: 0.66rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--faint);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  animation: bob 2.6s ease-in-out infinite;
}
.scroll-hint span:last-child {
  font-size: 0.9rem;
}

@keyframes bob {
  0%,
  100% {
    transform: translate(-50%, 0);
  }
  50% {
    transform: translate(-50%, 6px);
  }
}

/* =========================================================
   PROJECTS
   ========================================================= */

#projects {
  position: relative;
  padding: clamp(72px, 12vw, 140px) clamp(18px, 6vw, 64px);
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 100%);
  border-top: 1px solid var(--line);
}

.section-head {
  max-width: var(--maxw);
  margin: 0 auto clamp(40px, 6vw, 72px);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.section-kicker {
  font-family: "Space Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--red);
}

.section-title {
  margin: 0;
  font-size: clamp(1.5rem, 3.6vw, 2.3rem);
  line-height: 1.1;
}

.projects-container {
  display: grid;
  gap: clamp(16px, 2vw, 22px);
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  max-width: var(--maxw);
  margin: 0 auto;
}

.project-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--card);
  overflow: hidden;
  transition:
    transform 0.3s ease,
    border-color 0.3s ease,
    background 0.3s ease;
}
.project-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: 0 18px 40px -22px rgba(0, 0, 0, 0.9);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.project-card:hover {
  transform: translateY(-5px);
  border-color: var(--line-2);
  background: var(--card-hi);
}
.project-card:hover::before {
  opacity: 1;
}

.project-link {
  text-decoration: none;
  color: var(--white);
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 22px 22px 20px;
  min-height: 196px;
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-index {
  font-family: "Space Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--faint);
}

/* categoria do projeto (chip azul, canto superior) */
.card-cat {
  font-family: "Space Mono", monospace;
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue);
  padding: 4px 10px;
  border: 1px solid rgba(108, 130, 182, 0.38);
  border-radius: 999px;
  background: var(--blue-soft);
}

.card-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.project-figcaption {
  margin: 0;
  font-family: "Metamorphous", serif;
  font-size: 1.18rem;
  line-height: 1.2;
}

.card-desc {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
  text-wrap: pretty;
}

.card-foot {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
}

.card-stack {
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.stack-label {
  font-family: "Space Mono", monospace;
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--faint);
}
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.tag {
  font-family: "Space Mono", monospace;
  font-size: 0.66rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  padding: 3px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  white-space: nowrap;
}

.card-arrow {
  font-size: 1.05rem;
  color: var(--faint);
  align-self: flex-end;
  transition:
    transform 0.3s ease,
    color 0.3s ease;
}
.project-card:hover .card-arrow {
  transform: translate(3px, -3px);
  color: var(--red);
}

/* =========================================================
   REVEAL ON SCROLL
   ========================================================= */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.75s cubic-bezier(0.2, 0.7, 0.2, 1),
    transform 0.75s cubic-bezier(0.2, 0.7, 0.2, 1);
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* intro do hero ao carregar */
.hero-content {
  animation: heroIn 1.1s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}
@keyframes heroIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* =========================================================
   CONTACT
   ========================================================= */

#contact {
  position: relative;
  padding: clamp(80px, 14vw, 160px) clamp(18px, 6vw, 64px);
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
  text-align: center;
}

.contact-content {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.contact-title {
  margin: 0;
  font-size: clamp(1.8rem, 5vw, 3rem);
  line-height: 1.05;
}

.contact-subtitle {
  margin: 16px 0 40px;
  font-family: "Space Mono", monospace;
  font-size: 0.84rem;
  letter-spacing: 0.06em;
  text-transform: lowercase;
  color: var(--muted);
}

.contact-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  width: 100%;
}

.contact-link {
  flex: 1 1 160px;
  max-width: 220px;
  text-decoration: none;
  color: var(--white);
  padding: 20px 24px;
  border: 1px solid var(--line-2);
  border-radius: 12px;
  background: var(--card);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.96rem;
  transition:
    transform 0.25s ease,
    border-color 0.25s ease,
    background 0.25s ease;
}
.contact-link .arr {
  font-family: "Space Mono", monospace;
  color: var(--faint);
  transition:
    transform 0.25s ease,
    color 0.25s ease;
}
.contact-link:hover {
  transform: translateY(-4px);
  border-color: var(--red);
  background: var(--card-hi);
}
.contact-link:hover .arr {
  color: var(--red);
  transform: translate(3px, -3px);
}

/* =========================================================
   FOOTER
   ========================================================= */

#footer {
  background: var(--bg);
  border-top: 1px solid var(--line);
  text-align: center;
  padding: 28px 18px;
}
#footer p {
  margin: 0;
  font-family: "Space Mono", monospace;
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--faint);
}

/* =========================================================
   RESPONSIVE
   ========================================================= */

@media (max-width: 540px) {
  .nav {
    gap: 0;
  }
  .link {
    padding: 8px 7px;
    font-size: 0.8rem;
  }
  .projects-container {
    grid-template-columns: 1fr;
  }
  .contact-link {
    max-width: none;
  }
}

/* respeita quem prefere menos movimento */
@media (prefers-reduced-motion: reduce) {
  .orbit,
  .scroll-hint,
  .hero-content,
  #about::before {
    animation: none;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}