/* ═══════════════════════════════════════════════
   InstaGrab - Neon Glassmorphism Theme
   ═══════════════════════════════════════════════ */

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

:root {
  --neon-cyan: #00f5ff;
  --neon-magenta: #ff00ff;
  --neon-green: #00ff88;
  --neon-purple: #bf00ff;
  --neon-orange: #ff6600;
  --bg-dark: #020209;
  --bg-card: rgba(10, 10, 30, 0.6);
  --glass-border: rgba(0, 245, 255, 0.15);
  --text-primary: #e8f4f8;
  --text-muted: rgba(232, 244, 248, 0.55);
  --shadow-cyan: 0 0 20px rgba(0, 245, 255, 0.4);
  --shadow-magenta: 0 0 20px rgba(255, 0, 255, 0.4);
  --shadow-green: 0 0 20px rgba(0, 255, 136, 0.4);
  --shadow-purple: 0 0 20px rgba(191, 0, 255, 0.4);
  --font-display: 'Orbitron', monospace;
  --font-body: 'Inter', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

/* ─── Animated Background Grid ─── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 245, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 245, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: 0;
}

/* Radial spotlight */
body::after {
  content: '';
  position: fixed;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 80vw;
  height: 60vh;
  background: radial-gradient(ellipse, rgba(0, 245, 255, 0.07) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* ─── Navbar ─── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 2rem;
  background: rgba(2, 2, 9, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 4px 30px rgba(0, 245, 255, 0.08);
}

.navbar-brand {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-magenta));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  letter-spacing: 2px;
  text-shadow: none;
}

.navbar-brand span {
  background: linear-gradient(90deg, var(--neon-magenta), var(--neon-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  gap: 0.3rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.4rem 0.9rem;
  border-radius: 6px;
  border: 1px solid transparent;
  transition: all 0.3s ease;
  letter-spacing: 0.5px;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--neon-cyan);
  border-color: var(--glass-border);
  background: rgba(0, 245, 255, 0.06);
  text-shadow: 0 0 10px rgba(0, 245, 255, 0.5);
}

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

/* ─── Main Content ─── */
main {
  position: relative;
  z-index: 1;
  min-height: calc(100vh - 60px);
}

/* ─── Hero Section ─── */
.hero {
  text-align: center;
  padding: 5rem 2rem 3rem;
}

.hero-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--neon-cyan);
  border: 1px solid rgba(0, 245, 255, 0.3);
  padding: 0.35rem 1.2rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
  background: rgba(0, 245, 255, 0.05);
  box-shadow: 0 0 15px rgba(0, 245, 255, 0.15);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 1.2rem;
  letter-spacing: -1px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--neon-cyan) 0%, var(--neon-magenta) 50%, var(--neon-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 20px rgba(0, 245, 255, 0.3));
}

.hero p {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 560px;
  margin: 0 auto 2.5rem;
  font-weight: 300;
}

/* ─── Cards Grid ─── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem 4rem;
}

.card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 16px;
  padding: 2rem 1.5rem;
  text-align: center;
  text-decoration: none;
  color: var(--text-primary);
  transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 16px;
  opacity: 0;
  transition: opacity 0.35s;
  pointer-events: none;
}

.card:hover {
  transform: translateY(-6px);
  border-color: var(--card-color, var(--neon-cyan));
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), var(--card-shadow, var(--shadow-cyan));
}

.card:hover::before { opacity: 1; }

.card.cyan  { --card-color: var(--neon-cyan);    --card-shadow: var(--shadow-cyan); }
.card.magenta{ --card-color: var(--neon-magenta); --card-shadow: var(--shadow-magenta); }
.card.green { --card-color: var(--neon-green);   --card-shadow: var(--shadow-green); }
.card.purple{ --card-color: var(--neon-purple);  --card-shadow: var(--shadow-purple); }

.card-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: block;
  filter: drop-shadow(0 0 12px currentColor);
}

.card.cyan   .card-icon { color: var(--neon-cyan); }
.card.magenta .card-icon { color: var(--neon-magenta); }
.card.green  .card-icon { color: var(--neon-green); }
.card.purple .card-icon { color: var(--neon-purple); }

.card h2 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  margin-bottom: 0.6rem;
}

.card p { font-size: 0.85rem; color: var(--text-muted); }

.card-arrow {
  display: inline-block;
  margin-top: 1.2rem;
  font-size: 0.8rem;
  letter-spacing: 2px;
  font-weight: 600;
  color: var(--card-color, var(--neon-cyan));
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(4px);
  transition: all 0.3s;
}

.card:hover .card-arrow { opacity: 1; transform: translateY(0); }

/* ─── Downloader Page Layout ─── */
.page-container {
  max-width: 760px;
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem;
}

.page-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.page-icon {
  font-size: 3.5rem;
  display: block;
  margin-bottom: 1rem;
}

.page-header h1 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 800;
  letter-spacing: 1px;
  margin-bottom: 0.8rem;
}

.page-header p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ─── Downloader Form Card ─── */
.downloader-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 20px;
  padding: 2.5rem;
  box-shadow: 0 8px 40px rgba(0,0,0,0.4);
}

.input-group {
  display: flex;
  gap: 0.8rem;
  margin-bottom: 1rem;
}

.url-input {
  flex: 1;
  background: rgba(0, 0, 0, 0.4);
  border: 1.5px solid rgba(0, 245, 255, 0.2);
  border-radius: 10px;
  padding: 0.85rem 1.2rem;
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: var(--font-body);
  transition: all 0.3s;
  outline: none;
}

.url-input::placeholder { color: rgba(232, 244, 248, 0.3); }

.url-input:focus {
  border-color: var(--accent-color, var(--neon-cyan));
  box-shadow: 0 0 0 3px rgba(0, 245, 255, 0.12), 0 0 20px rgba(0, 245, 255, 0.15);
  background: rgba(0, 245, 255, 0.03);
}

/* ─── Neon Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.8rem;
  border: none;
  border-radius: 10px;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.5s, height 0.5s;
}

.btn:active::before { width: 300px; height: 300px; }

.btn-cyan {
  background: linear-gradient(135deg, rgba(0,245,255,0.15), rgba(0,245,255,0.05));
  border: 1.5px solid var(--neon-cyan);
  color: var(--neon-cyan);
  box-shadow: 0 0 15px rgba(0,245,255,0.2), inset 0 0 15px rgba(0,245,255,0.05);
}
.btn-cyan:hover {
  background: rgba(0,245,255,0.15);
  box-shadow: 0 0 30px rgba(0,245,255,0.4), inset 0 0 20px rgba(0,245,255,0.1);
  transform: translateY(-2px);
}

.btn-magenta {
  background: linear-gradient(135deg, rgba(255,0,255,0.15), rgba(255,0,255,0.05));
  border: 1.5px solid var(--neon-magenta);
  color: var(--neon-magenta);
  box-shadow: 0 0 15px rgba(255,0,255,0.2), inset 0 0 15px rgba(255,0,255,0.05);
}
.btn-magenta:hover {
  background: rgba(255,0,255,0.15);
  box-shadow: 0 0 30px rgba(255,0,255,0.4), inset 0 0 20px rgba(255,0,255,0.1);
  transform: translateY(-2px);
}

.btn-green {
  background: linear-gradient(135deg, rgba(0,255,136,0.15), rgba(0,255,136,0.05));
  border: 1.5px solid var(--neon-green);
  color: var(--neon-green);
  box-shadow: 0 0 15px rgba(0,255,136,0.2), inset 0 0 15px rgba(0,255,136,0.05);
}
.btn-green:hover {
  background: rgba(0,255,136,0.15);
  box-shadow: 0 0 30px rgba(0,255,136,0.4), inset 0 0 20px rgba(0,255,136,0.1);
  transform: translateY(-2px);
}

.btn-purple {
  background: linear-gradient(135deg, rgba(191,0,255,0.15), rgba(191,0,255,0.05));
  border: 1.5px solid var(--neon-purple);
  color: var(--neon-purple);
  box-shadow: 0 0 15px rgba(191,0,255,0.2), inset 0 0 15px rgba(191,0,255,0.05);
}
.btn-purple:hover {
  background: rgba(191,0,255,0.15);
  box-shadow: 0 0 30px rgba(191,0,255,0.4), inset 0 0 20px rgba(191,0,255,0.1);
  transform: translateY(-2px);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

.btn-orange {
  background: linear-gradient(135deg, rgba(255,102,0,0.18), rgba(255,0,170,0.08));
  border: 1.5px solid var(--neon-orange);
  color: var(--neon-orange);
  box-shadow: 0 0 15px rgba(255,102,0,0.2), inset 0 0 15px rgba(255,102,0,0.05);
}
.btn-orange:hover {
  background: rgba(255,102,0,0.18);
  box-shadow: 0 0 30px rgba(255,102,0,0.45), inset 0 0 20px rgba(255,102,0,0.1);
  transform: translateY(-2px);
}

/* Scanning animation for download button */
.btn-scan {
  animation: scan-pulse 2s ease-in-out infinite;
}
@keyframes scan-pulse {
  0%, 100% { box-shadow: 0 0 15px rgba(0,245,255,0.2); }
  50% { box-shadow: 0 0 40px rgba(0,245,255,0.6), 0 0 80px rgba(0,245,255,0.2); }
}

/* ─── Status Messages ─── */
.status-box {
  margin-top: 1.5rem;
  padding: 1rem 1.2rem;
  border-radius: 10px;
  font-size: 0.88rem;
  display: none;
  align-items: center;
  gap: 0.6rem;
}

.status-box.show { display: flex; }

.status-loading {
  background: rgba(0, 245, 255, 0.05);
  border: 1px solid rgba(0, 245, 255, 0.2);
  color: var(--neon-cyan);
}

.status-error {
  background: rgba(255, 50, 50, 0.08);
  border: 1px solid rgba(255, 50, 50, 0.3);
  color: #ff4444;
}

.status-success {
  background: rgba(0, 255, 136, 0.06);
  border: 1px solid rgba(0, 255, 136, 0.25);
  color: var(--neon-green);
}

/* Private account error – amber lock style */
.status-private {
  background: rgba(255, 180, 0, 0.07);
  border: 1px solid rgba(255, 180, 0, 0.4);
  color: #ffbb00;
}

/* Unavailable content error – orange-red ban style */
.status-unavailable {
  background: rgba(255, 80, 0, 0.07);
  border: 1px solid rgba(255, 80, 0, 0.4);
  color: #ff7722;
}

/* Loading Spinner */
.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(0, 245, 255, 0.2);
  border-top-color: var(--neon-cyan);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  flex-shrink: 0;
}

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

/* ─── Tips Section ─── */
.tips-section {
  margin-top: 2rem;
}

.tips-header {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.8rem;
}

.tip-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  padding: 0.4rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.tip-item:last-child { border-bottom: none; }

.tip-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 6px;
}

/* ─── Features Strip ─── */
.features-strip {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2rem;
  padding: 2rem;
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
  margin-bottom: 4rem;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.feature-icon { font-size: 1rem; }

/* ─── Footer ─── */
footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 2rem;
  border-top: 1px solid var(--glass-border);
  color: var(--text-muted);
  font-size: 0.8rem;
}

footer a { color: var(--neon-cyan); text-decoration: none; }

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 0.8rem;
  flex-wrap: wrap;
}

/* ─── Responsive ─── */
@media (max-width: 640px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: rgba(2,2,9,0.97); border-bottom: 1px solid var(--glass-border); padding: 1rem; }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }
  .input-group { flex-direction: column; }
  .downloader-card { padding: 1.5rem; }
  .btn { width: 100%; justify-content: center; }
}

/* ─── Neon Pulse Rings (decorative) ─── */
.pulse-ring {
  position: fixed;
  border-radius: 50%;
  border: 1px solid;
  opacity: 0;
  pointer-events: none;
  animation: ring-pulse 4s ease-out infinite;
}
.pulse-ring:nth-child(1) { width: 200px; height: 200px; top: 10%; right: 5%; border-color: rgba(0,245,255,0.15); animation-delay: 0s; }
.pulse-ring:nth-child(2) { width: 300px; height: 300px; bottom: 15%; left: -5%; border-color: rgba(255,0,255,0.1); animation-delay: 1.5s; }
.pulse-ring:nth-child(3) { width: 150px; height: 150px; bottom: 30%; right: 10%; border-color: rgba(0,255,136,0.12); animation-delay: 3s; }

@keyframes ring-pulse {
  0% { opacity: 0; transform: scale(0.8); }
  25% { opacity: 1; }
  100% { opacity: 0; transform: scale(1.5); }
}

/* ─── Glitch text effect ─── */
.glitch {
  position: relative;
}
.glitch::before, .glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  background: var(--bg-dark);
  background-clip: text;
  -webkit-background-clip: text;
}