@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Inter:wght@300;400;500;600&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --neon: #00f5ff;
  --neon2: #00e5cc;
  --neon-dim: rgba(0,245,255,0.15);
  --bg: #0a0e1a;
  --bg2: #0d1b2a;
  --bg3: #0f2233;
  --text: #c8e6f0;
  --text-dim: #6a8fa0;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  overflow-x: hidden;
  min-height: 100vh;
}

/* ── CANVAS ── */
#particles-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ── NAVBAR ── */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2.5rem;
  background: rgba(10,14,26,0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(0,245,255,0.12);
}

.logo {
  font-family: 'Orbitron', sans-serif;
  font-weight: 900;
  font-size: 1.3rem;
  color: var(--neon);
  text-shadow: 0 0 10px var(--neon), 0 0 30px rgba(0,245,255,0.4);
  text-decoration: none;
  letter-spacing: 2px;
}

nav a {
  color: var(--text);
  text-decoration: none;
  margin-left: 2rem;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  transition: color 0.3s, text-shadow 0.3s;
  position: relative;
  padding-bottom: 2px;
}
nav a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0; right: 0;
  height: 1px;
  background: var(--neon);
  box-shadow: 0 0 6px var(--neon);
  transform: scaleX(0);
  transition: transform 0.3s;
}
nav a:hover, nav a.active {
  color: var(--neon);
  text-shadow: 0 0 8px var(--neon);
}
nav a:hover::after, nav a.active::after { transform: scaleX(1); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--neon);
  border-radius: 2px;
  transition: all 0.3s;
  box-shadow: 0 0 6px var(--neon);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 64px; left: 0; right: 0;
  background: rgba(10,14,26,0.97);
  border-bottom: 1px solid rgba(0,245,255,0.15);
  padding: 1.5rem 2rem;
  z-index: 99;
  flex-direction: column;
  gap: 1.2rem;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  color: var(--text);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  transition: color 0.3s;
}
.mobile-menu a:hover, .mobile-menu a.active { color: var(--neon); }

/* ── MAIN ── */
main {
  position: relative;
  z-index: 1;
  padding-top: 64px;
}

/* ── PAGE HERO (non-home) ── */
.page-hero {
  text-align: center;
  padding: 5rem 2rem 3rem;
  animation: heroFadeIn 0.8s ease forwards;
}
.page-hero h1 {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 900;
  color: var(--neon);
  text-shadow: 0 0 20px var(--neon), 0 0 50px rgba(0,245,255,0.4);
  letter-spacing: 3px;
  margin-bottom: 0.75rem;
}
.page-hero p {
  color: var(--text-dim);
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

@keyframes heroFadeIn {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── SECTION ── */
.content-section {
  position: relative;
  z-index: 1;
  padding: 3rem 2rem 6rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  color: var(--neon);
  text-shadow: 0 0 15px var(--neon), 0 0 40px rgba(0,245,255,0.3);
  text-align: center;
  margin-bottom: 0.75rem;
  letter-spacing: 2px;
}

.divider {
  width: 80px; height: 2px;
  background: linear-gradient(90deg, transparent, var(--neon), transparent);
  margin: 0.75rem auto 3.5rem;
  box-shadow: 0 0 10px var(--neon);
}

/* ── BUTTON ── */
.btn-primary {
  display: inline-block;
  padding: 0.9rem 2.5rem;
  background: transparent;
  border: 2px solid var(--neon);
  color: var(--neon);
  font-family: 'Orbitron', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-decoration: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 0 15px rgba(0,245,255,0.3), inset 0 0 15px rgba(0,245,255,0.05);
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,245,255,0.1), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.btn-primary:hover {
  transform: scale(1.05);
  box-shadow: 0 0 30px rgba(0,245,255,0.6), 0 0 60px rgba(0,245,255,0.3), inset 0 0 20px rgba(0,245,255,0.1);
  color: #fff;
}
.btn-primary:hover::before { opacity: 1; }

/* ── FEATURE CARDS ── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: linear-gradient(135deg, rgba(13,27,42,0.9), rgba(15,34,51,0.9));
  border: 1px solid rgba(0,245,255,0.15);
  border-radius: 12px;
  padding: 2rem 1.5rem;
  text-align: center;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--neon), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}
.feature-card:hover {
  border-color: rgba(0,245,255,0.5);
  box-shadow: 0 0 30px rgba(0,245,255,0.15), 0 8px 32px rgba(0,0,0,0.4);
  transform: translateY(-6px);
}
.feature-card:hover::before { opacity: 1; }

.feature-icon {
  font-size: 2.8rem;
  margin-bottom: 1rem;
  display: block;
  filter: drop-shadow(0 0 8px var(--neon));
}

.feature-card h3 {
  font-family: 'Orbitron', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--neon);
  margin-bottom: 0.75rem;
  letter-spacing: 1px;
}

.feature-card p {
  color: var(--text-dim);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ── STATS ── */
.stats-box {
  background: linear-gradient(135deg, rgba(13,27,42,0.7), rgba(15,34,51,0.7));
  border: 1px solid rgba(0,245,255,0.12);
  border-radius: 16px;
  padding: 4rem 2rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
  max-width: 600px;
  margin: 0 auto;
}

.stat-item { text-align: center; }

.stat-number {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(3rem, 7vw, 5rem);
  font-weight: 900;
  color: var(--neon);
  text-shadow: 0 0 20px var(--neon), 0 0 50px rgba(0,245,255,0.3);
  display: block;
  line-height: 1;
  margin-bottom: 0.6rem;
}

.stat-label {
  color: var(--text-dim);
  font-size: 0.95rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* ── FOOTER ── */
footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid rgba(0,245,255,0.1);
  padding: 2.5rem 2rem;
  text-align: center;
  background: rgba(10,14,26,0.8);
}
footer a {
  color: var(--neon);
  text-decoration: none;
  font-weight: 600;
  transition: text-shadow 0.3s;
}
footer a:hover { text-shadow: 0 0 10px var(--neon); }
footer p {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-top: 0.5rem;
}

/* ── ANIMATE ON SCROLL ── */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .animate-on-scroll { opacity: 1; transform: none; transition: none; }
  .page-hero { animation: none; }
  #particles-canvas { display: none; }
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  header { padding: 1rem 1.5rem; }
  nav { display: none; }
  .hamburger { display: flex; }
  .features-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; gap: 2rem; }
  .content-section { padding: 2rem 1.5rem 4rem; }
}

body.glitch-mode {
  animation: bodyGlitch 0.08s infinite;
  overflow: hidden;
  pointer-events: none;
}
@keyframes bodyGlitch {
  0%   { filter:hue-rotate(0deg)   saturate(1)  brightness(1);   transform:translate(0,0)     skewX(0deg); }
  10%  { filter:hue-rotate(90deg)  saturate(3)  brightness(1.4); transform:translate(-4px,2px) skewX(-2deg); }
  20%  { filter:hue-rotate(180deg) saturate(5)  brightness(0.7); transform:translate(4px,-3px) skewX(3deg); }
  30%  { filter:hue-rotate(270deg) saturate(2)  brightness(1.6); transform:translate(-6px,1px) skewX(-4deg); }
  40%  { filter:hue-rotate(45deg)  saturate(8)  brightness(0.5); transform:translate(3px,4px)  skewX(2deg); }
  50%  { filter:hue-rotate(135deg) saturate(1)  brightness(2);   transform:translate(-2px,-5px) skewX(-1deg); }
  60%  { filter:hue-rotate(225deg) saturate(6)  brightness(0.8); transform:translate(5px,2px)  skewX(5deg); }
  70%  { filter:hue-rotate(315deg) saturate(4)  brightness(1.3); transform:translate(-3px,3px) skewX(-3deg); }
  80%  { filter:hue-rotate(60deg)  saturate(10) brightness(0.4); transform:translate(6px,-2px) skewX(4deg); }
  90%  { filter:hue-rotate(200deg) saturate(2)  brightness(1.8); transform:translate(-5px,5px) skewX(-5deg); }
  100% { filter:hue-rotate(0deg)   saturate(1)  brightness(1);   transform:translate(0,0)     skewX(0deg); }
}
body.glitch-mode::before {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    rgba(0,245,255,0.04) 0px,
    rgba(0,245,255,0.04) 1px,
    transparent 1px,
    transparent 3px
  );
  pointer-events: none;
  z-index: 99999;
  animation: scanNoise 0.05s steps(1) infinite;
}
@keyframes scanNoise {
  0%  { transform:translateY(0); }
  25% { transform:translateY(-4px); }
  50% { transform:translateY(2px); }
  75% { transform:translateY(-2px); }
}
body.glitch-mode::after {
  content: '';
  position: fixed;
  inset: 0;
  background: linear-gradient(90deg, rgba(255,0,0,0.07) 0%, transparent 50%, rgba(0,255,255,0.07) 100%);
  pointer-events: none;
  z-index: 99998;
  animation: rgbShift 0.1s steps(1) infinite;
}
@keyframes rgbShift {
  0%  { opacity:1; }
  50% { opacity:0.3; }
}
@media (prefers-reduced-motion: reduce) {
  body.glitch-mode { animation:none; filter:none; }
  body.glitch-mode::before,
  body.glitch-mode::after { display:none; }
}

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

.btn-login {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1.1rem;
  background: transparent;
  border: 1.5px solid rgba(0,245,255,0.4);
  color: var(--neon);
  font-family: 'Orbitron', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-decoration: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s;
  white-space: nowrap;
}
.btn-login:hover {
  border-color: var(--neon);
  box-shadow: 0 0 12px rgba(0,245,255,0.3);
  color: #fff;
}

.user-menu-wrap {
  position: relative;
}

.user-avatar-btn {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 2px solid var(--neon);
  cursor: pointer;
  background: none;
  padding: 0;
  overflow: hidden;
  box-shadow: 0 0 8px rgba(0,245,255,0.3);
  transition: box-shadow 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.user-avatar-btn:hover {
  box-shadow: 0 0 16px rgba(0,245,255,0.6);
}
.user-avatar-btn img {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: 50%;
}
.user-avatar-btn .avatar-placeholder {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.75rem;
  font-weight: 900;
  color: var(--neon);
}

.user-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  background: rgba(10,14,26,0.97);
  border: 1px solid rgba(0,245,255,0.2);
  border-radius: 10px;
  min-width: 180px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5), 0 0 20px rgba(0,245,255,0.08);
  z-index: 200;
  animation: dropIn 0.2s ease forwards;
}
.user-dropdown.open { display: block; }

@keyframes dropIn {
  from { opacity:0; transform:translateY(-6px); }
  to   { opacity:1; transform:translateY(0); }
}

.dropdown-header {
  padding: 0.9rem 1rem 0.7rem;
  border-bottom: 1px solid rgba(0,245,255,0.1);
}
.dropdown-name {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--neon);
  letter-spacing: 0.5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.dropdown-tag {
  font-size: 0.72rem;
  color: var(--text-dim);
  margin-top: 0.15rem;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 1rem;
  color: var(--text);
  text-decoration: none;
  font-size: 0.88rem;
  transition: background 0.2s, color 0.2s;
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}
.dropdown-item:hover {
  background: rgba(0,245,255,0.07);
  color: var(--neon);
}
.dropdown-item .di-icon { font-size: 1rem; opacity: 0.8; }

.dropdown-divider {
  height: 1px;
  background: rgba(0,245,255,0.08);
  margin: 0.2rem 0;
}

.dropdown-item.logout { color: #ff6b6b; }
.dropdown-item.logout:hover { background: rgba(255,60,60,0.07); color: #ff3c3c; }