/* ============================================================
   Aris Swift — Shared Stylesheet
   Covers: index.html, gacha_doc.html, error_404.html, redirect.html
   Page-specific overrides live in their own CSS files.
   ============================================================ */

/* ---- VARIABLES (cyan / default theme) ---- */
:root {
  --bg: #070b16;
  --surface: #0d1117;
  --border: #1e2a3a;
  --accent: #00d4ff;
  --accent2: #7c3aed;
  --text: #e2e8f0;
  --muted: #64748b;
  --glow: rgba(0, 212, 255, 0.15);
}

/* ---- RESET ---- */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Syne', sans-serif;
  overflow-x: hidden;
}

/* ---- GRID BACKGROUND (fixed, behind everything) ---- */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(19, 169, 199, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(13, 128, 151, 0.09) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

/* ---- PARTICLE CANVAS (behind the grid) ---- */
#particle-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;          /* lower than the grid */
  pointer-events: none;
  background: transparent;
}

/* ---- All normal content sits above the grid ---- */
nav, .hero, section, footer, .hero-orb, .section-divider {
  position: relative;
  z-index: 1;
}

/* ---- NAV ---- */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 3rem;
  background: rgba(5,8,16,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: 'Orbitron', monospace;
  font-weight: 900;
  font-size: 1.1rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-decoration: none;
}

.nav-links { display: flex; gap: 2.5rem; list-style: none; align-items: center; }

/* Dropdown menu */
.nav-dropdown {
  position: relative;
}
.nav-dropdown::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  height: 10px;
  z-index: 1;
}
.nav-dropdown > .nav-drop-trigger {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: none;
  border: none;
  font-family: 'Syne', sans-serif;
  padding: 0;
}
.nav-drop-trigger::after {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-right: 1.5px solid var(--muted);
  border-bottom: 1.5px solid var(--muted);
  transform: rotate(45deg);
  transition: transform 0.2s, border-color 0.2s;
  margin-top: -2px;
}
.nav-dropdown:hover .nav-drop-trigger,
.nav-dropdown.open .nav-drop-trigger {
  color: var(--accent);
}
.nav-dropdown:hover .nav-drop-trigger::after,
.nav-dropdown.open .nav-drop-trigger::after {
  transform: rotate(-135deg);
  border-color: var(--accent);
}
.nav-drop-menu {
  position: absolute;
  top: calc(100% + 2px);
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  background: rgba(10,14,26,0.97);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.4rem 0;
  min-width: 160px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.15s ease, visibility 0.15s ease, transform 0.15s ease;
  box-shadow: 0 12px 30px rgba(0,0,0,0.5);
  z-index: 200;
}
.nav-drop-menu::after {
  content: '';
  position: absolute;
  top: -12px;
  left: 0;
  right: 0;
  height: 12px;
}
.nav-drop-menu::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-bottom: 6px solid var(--border);
}
.nav-dropdown:hover .nav-drop-menu,
.nav-dropdown.open .nav-drop-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.nav-drop-menu a {
  display: block;
  padding: 0.55rem 1.2rem;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: none;
  transition: all 0.15s;
  border-left: 2px solid transparent;
}
.nav-drop-menu a:hover {
  color: var(--accent);
  background: rgba(0,212,255,0.05);
  border-left-color: var(--accent);
}

/* Hamburger button — hidden on desktop */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
  z-index: 101;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--accent); }

/* ---- HERO ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 3rem 4rem;
  position: relative;
  z-index: 1;
}

.hero-inner { max-width: 800px; }

.hero-tag {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(0,212,255,0.3);
  padding: 0.35rem 0.9rem;
  border-radius: 2px;
  margin-bottom: 2rem;
  animation: fadeUp 0.6s ease both;
}

.hero h1 {
  font-family: 'Orbitron', monospace;
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 0.5rem;
  animation: fadeUp 0.6s 0.1s ease both;
}

.hero h1 span {
  color: transparent;
  -webkit-text-stroke: 1px var(--accent);
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 500px;
  margin: 1.5rem 0 2.5rem;
  line-height: 1.7;
  animation: fadeUp 0.6s 0.2s ease both;
}

@media (max-width: 768px) {
  .hero-sub { max-width: 100%; }
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  animation: fadeUp 0.6s 0.3s ease both;
}

/* Glowing orb */
.hero-orb {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124,58,237,0.2) 0%, rgba(0,212,255,0.08) 50%, transparent 70%);
  filter: blur(40px);
  animation: pulse 4s ease-in-out infinite;
  z-index: 0;
}

@keyframes pulse {
  0%, 100% { transform: translateY(-50%) scale(1); opacity: 0.8; }
  50% { transform: translateY(-50%) scale(1.1); opacity: 1; }
}

/* ---- SECTIONS ---- */
section {
  padding: 6rem 3rem;
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
}

.section-label {
  font-size: 0.72rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.section-title {
  font-family: 'Orbitron', monospace;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  margin-bottom: 3rem;
  color: var(--text);
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  font-family: 'Syne', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 3px;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
}
.btn-primary:hover {
  background: #fff;
  box-shadow: 0 0 30px rgba(0,212,255,0.4);
}

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

/* ---- PROJECT CARDS ---- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
}

.project-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  transition: all 0.3s;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}

.project-card:hover {
  border-color: var(--accent) !important;
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4), 0 0 0 1px rgba(0,212,255,0.1);
}

.card-thumb {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
  background: linear-gradient(135deg, #0d1117 0%, #1a2234 100%);
  position: relative;
  overflow: hidden;
}

.card-thumb-placeholder {
  width: 100%;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  background: linear-gradient(135deg, #0d1a2e 0%, #1a0d2e 100%);
  color: rgba(0,212,255,0.3);
  font-family: 'Orbitron', monospace;
  letter-spacing: 0.1em;
  position: relative;
}

.card-thumb-placeholder::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(0,212,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.05) 1px, transparent 1px);
  background-size: 30px 30px;
}

.card-body { padding: 1.4rem; }

.card-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.8rem;
}

.tag {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border-radius: 2px;
  background: rgba(0,212,255,0.08);
  color: var(--accent);
  border: 1px solid rgba(0,212,255,0.15);
}

.tag.purple {
  background: rgba(124,58,237,0.1);
  color: #a78bfa;
  border-color: rgba(124,58,237,0.2);
}

.card-title {
  font-family: 'Orbitron', monospace;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.card-desc {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 1.2rem;
}

.card-links {
  display: flex;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.card-link {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

.card-link:hover { color: var(--accent); }
.card-link.primary { color: var(--accent); }

/* ---- DOCS ---- */
.docs-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  min-height: 400px;
}

.docs-sidebar {
  border-right: 1px solid var(--border);
  padding: 1.5rem 0;
}

.docs-sidebar-title {
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 0 1.2rem;
  margin-bottom: 0.8rem;
}

.docs-nav-item {
  display: block;
  padding: 0.6rem 1.2rem;
  font-size: 0.85rem;
  color: var(--muted);
  text-decoration: none;
  transition: all 0.15s;
  border-left: 2px solid transparent;
  cursor: pointer;
}

.docs-nav-item:hover,
.docs-nav-item.active {
  color: var(--text);
  background: rgba(0,212,255,0.05);
  border-left-color: var(--accent);
}

.docs-nav-group {
  margin-top: 1.5rem;
}

.docs-content { padding: 2rem; }

.docs-content h2 {
  font-family: 'Orbitron', monospace;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--border);
}

.docs-content p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 1rem;
}

.docs-content h3 {
  font-size: 1rem;
  font-weight: 600;
  margin: 1.5rem 0 0.6rem;
  color: var(--text);
}

/* ---- CODE BLOCK ---- */
.code-block {
  background: #020408;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1.2rem;
  font-family: 'Courier New', monospace;
  font-size: 0.82rem;
  color: #a9dc76;
  line-height: 1.6;
  overflow-x: auto;
  margin: 1rem 0;
}

.code-block .kw { color: #78dce8; }
.code-block .str { color: #ffd866; }
.code-block .cm { color: #727072; }

/* ---- ABOUT ---- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text p {
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.5rem;
}

.skill-chip {
  font-size: 0.78rem;
  padding: 0.35rem 0.9rem;
  border-radius: 2px;
  background: rgba(124,58,237,0.1);
  color: #a78bfa;
  border: 1px solid rgba(124,58,237,0.2);
  letter-spacing: 0.05em;
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.5rem;
  text-align: center;
}

.stat-num {
  font-family: 'Orbitron', monospace;
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--accent);
  display: block;
}

.stat-label {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 0.3rem;
}

/* ---- CONTACT / SOCIALS ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-info p {
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.social-links { display: flex; flex-direction: column; gap: 0.8rem; }

.social-link {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 0.8rem 1rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  transition: all 0.2s;
}

.social-link:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--glow);
}

.btn-holder{
  margin-top:1.2rem;
  display:flex;
  gap:.8rem;
  flex-wrap:wrap;
}

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

.form-group { display: flex; flex-direction: column; gap: 0.4rem; }

label {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

input, textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.8rem 1rem;
  color: var(--text);
  font-family: 'Syne', sans-serif;
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}

input:focus, textarea:focus { border-color: var(--accent); }
textarea { resize: vertical; min-height: 120px; }

/* ---- PARTICLE CANVAS (again, ensuring correct layer) ---- */
#particle-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
  background: transparent;
}

/* ---- FOOTER ---- */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  z-index: 1;
}

footer p { font-size: 0.8rem; color: var(--muted); }

.footer-logo {
  font-family: 'Orbitron', monospace;
  font-weight: 900;
  color: var(--accent);
  font-size: 0.9rem;
}

/* ---- SECTION DIVIDER ---- */
.section-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  position: relative;
  z-index: 1;
}

/* ---- ANIMATIONS ---- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Ensure hover lift works when .fade-in is on a card */
.project-card.fade-in.visible:hover {
  transform: translateY(-4px);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  /* NAV */
  nav {
    padding: 1rem 1.5rem;
    position: fixed;
    flex-wrap: wrap;
  }

  .nav-toggle { display: flex; }

  .nav-links {
    display: none;
    flex-direction: column;
    width: 100%;
    gap: 0;
    background: rgba(5,8,16,0.97);
    backdrop-filter: blur(12px);
    border-top: 1px solid var(--border);
    padding: 0.5rem 0 1rem;
    order: 3;
  }

  .nav-links a {
    padding: 0.7rem 1.5rem;
    font-size: 0.9rem;
    display: block;
    border-left: 2px solid transparent;
  }

  .nav-links a:hover {
    border-left-color: var(--accent);
    background: rgba(0,212,255,0.05);
    padding-left: calc(1.5rem + 2px);
  }

  .nav-dropdown {
    width: 100%;
  }
  .nav-drop-trigger {
    padding: 0.7rem 1.5rem !important;
    font-size: 0.9rem;
    width: 100%;
    justify-content: space-between;
    border-left: 2px solid transparent;
  }
  .nav-drop-trigger:hover {
    border-left-color: var(--accent);
    background: rgba(0,212,255,0.05);
    padding-left: calc(1.5rem + 2px) !important;
  }
  .nav-drop-menu {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    background: rgba(0,0,0,0.2);
    border: none;
    border-radius: 0;
    box-shadow: none;
    padding: 0;
    display: none;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }
  .nav-drop-menu::before { display: none; }
  .nav-dropdown.open .nav-drop-menu {
    display: block;
    max-height: 300px;
  }
  .nav-dropdown.open .nav-drop-trigger::after {
    transform: rotate(-135deg);
    border-color: var(--accent);
  }
  .nav-drop-menu a {
    padding-left: 2.5rem;
    font-size: 0.85rem;
  }

  nav.nav-open .nav-links { display: flex; }

  nav.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  nav.nav-open .nav-toggle span:nth-child(2) { opacity: 0; transform: scaleX(0); }
  nav.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  /* HERO */
  .hero { padding: 6rem 1.5rem 3rem; }
  .hero-orb { display: none; }

  /* SECTIONS */
  section { padding: 4rem 1.5rem; }

  /* PROJECTS — stack to single column */
  .projects-grid { grid-template-columns: 1fr; }

  /* ABOUT / CONTACT */
  .about-grid, .contact-grid { grid-template-columns: 1fr; }

  /* DOCS */
  .docs-layout { grid-template-columns: 1fr; }
  .docs-sidebar { border-right: none; border-bottom: 1px solid var(--border); }

  /* FOOTER */
  footer { flex-direction: column; gap: 1rem; text-align: center; }
}