/* ===========================
   WebTools — Global Styles
   Dark Tech / Glassmorphism
=========================== */

:root {
  --bg:         #080c14;
  --bg-2:       #0d1220;
  --bg-3:       #121826;
  --surface:    rgba(255,255,255,0.03);
  --surface-2:  rgba(255,255,255,0.06);
  --border:     rgba(0,212,255,0.12);
  --border-2:   rgba(0,212,255,0.25);

  --cyan:       #00d4ff;
  --cyan-dim:   rgba(0,212,255,0.15);
  --purple:     #8b5cf6;
  --purple-dim: rgba(139,92,246,0.15);
  --orange:     #f97316;
  --orange-dim: rgba(249,115,22,0.15);
  --green:      #10b981;
  --green-dim:  rgba(16,185,129,0.15);
  --red:        #ef4444;

  --text:       #e2e8f0;
  --text-2:     #94a3b8;
  --text-3:     #475569;

  --radius:     12px;
  --radius-lg:  20px;
  --radius-xl:  28px;

  --shadow:     0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg:  0 8px 48px rgba(0,0,0,0.6);
  --glow-cyan:  0 0 24px rgba(0,212,255,0.25);
  --glow-purple:0 0 24px rgba(139,92,246,0.25);

  --font: 'Inter', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; }

/* ── Particle Canvas ── */
#particles-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
}

/* ── Navbar ── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(8,12,20,0.7);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}
.logo-icon {
  font-size: 1.4rem;
  color: var(--cyan);
  filter: drop-shadow(0 0 8px var(--cyan));
}
.logo-badge {
  font-size: 0.65rem;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--cyan-dim);
  color: var(--cyan);
  border: 1px solid var(--border-2);
  letter-spacing: 0.08em;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 0.9rem;
  color: var(--text-2);
}
.nav-links a {
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-privacy-tag {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--green);
  background: var(--green-dim);
  border: 1px solid rgba(16,185,129,0.2);
  padding: 4px 10px;
  border-radius: 20px;
}
.dot-green {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 6px var(--green);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%,100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(1.4); }
}

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 80px 24px 60px;
  max-width: 1200px;
  margin: 0 auto;
  gap: 60px;
}
.hero-grid-overlay {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}
.hero-content {
  position: relative;
  z-index: 1;
  flex: 1;
  max-width: 620px;
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--cyan);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.eyebrow-line {
  flex: 0 0 32px;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), transparent);
}
.hero-title {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}
.title-line { display: block; }
.gradient-text {
  background: linear-gradient(135deg, var(--cyan) 0%, var(--purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 1.05rem;
  color: var(--text-2);
  line-height: 1.75;
  margin-bottom: 36px;
  max-width: 480px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: linear-gradient(135deg, var(--cyan), #0099cc);
  color: #080c14;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 10px;
  transition: all 0.2s;
  box-shadow: var(--glow-cyan);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(0,212,255,0.4);
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  padding: 12px 24px;
  background: var(--surface-2);
  border: 1px solid var(--border-2);
  color: var(--text);
  font-size: 0.95rem;
  border-radius: 10px;
  transition: all 0.2s;
}
.btn-ghost:hover {
  background: var(--surface);
  border-color: rgba(0,212,255,0.4);
  color: var(--cyan);
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
}
.stat { text-align: center; }
.stat-num {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
  margin-bottom: 4px;
}
.stat-label {
  font-size: 0.75rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* ── Hero Visual ── */
.hero-visual {
  position: relative;
  flex: 0 0 360px;
  height: 360px;
  z-index: 1;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  animation: float-orb 6s ease-in-out infinite;
}
.orb-1 {
  width: 280px; height: 280px;
  background: radial-gradient(circle, rgba(0,212,255,0.18), transparent 70%);
  top: 40px; left: 20px;
}
.orb-2 {
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(139,92,246,0.15), transparent 70%);
  bottom: 20px; right: 10px;
  animation-delay: -3s;
}
@keyframes float-orb {
  0%,100% { transform: translateY(0) scale(1); }
  50%      { transform: translateY(-20px) scale(1.05); }
}
.floating-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: rgba(13,18,32,0.85);
  border: 1px solid var(--border-2);
  border-radius: 10px;
  backdrop-filter: blur(12px);
  font-size: 0.85rem;
  font-weight: 500;
  box-shadow: var(--shadow);
  white-space: nowrap;
  animation: float-card 4s ease-in-out infinite;
}
.fc-icon { font-size: 1.1rem; }
.card-1 { top: 60px;  left: 0;   animation-delay: 0s; }
.card-2 { top: 160px; right: 0;  animation-delay: -1.5s; }
.card-3 { bottom: 60px; left: 30px; animation-delay: -3s; }
@keyframes float-card {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}

/* ── Section Common ── */
.tools-section,
.about-section {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 24px;
}
.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid var(--border-2);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 14px;
}
.section-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 10px;
}
.section-header p {
  color: var(--text-2);
  font-size: 1rem;
}

/* ── Tools Grid ── */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.tool-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s ease;
  cursor: pointer;
}
.tool-card.active {
  border-color: var(--border-2);
}
.tool-card.active:hover {
  border-color: var(--cyan);
  background: rgba(0,212,255,0.04);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4), var(--glow-cyan);
}
.tool-card.coming-soon {
  opacity: 0.55;
  cursor: default;
}
.card-glow {
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(0,212,255,0.08), transparent 60%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s;
}
.tool-card.active:hover .card-glow { opacity: 1; }

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 16px;
}
.tool-icon-wrap {
  width: 52px; height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.icon-cyan   { background: var(--cyan-dim);   color: var(--cyan);   border: 1px solid rgba(0,212,255,0.2); }
.icon-purple { background: var(--purple-dim); color: var(--purple); border: 1px solid rgba(139,92,246,0.2); }
.icon-orange { background: var(--orange-dim); color: var(--orange); border: 1px solid rgba(249,115,22,0.2); }
.icon-green  { background: var(--green-dim);  color: var(--green);  border: 1px solid rgba(16,185,129,0.2); }

.card-badge {
  font-size: 0.68rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 20px;
  letter-spacing: 0.04em;
}
.badge-ready { background: var(--green-dim);  color: var(--green);  border: 1px solid rgba(16,185,129,0.25); }
.badge-soon  { background: var(--purple-dim); color: var(--purple); border: 1px solid rgba(139,92,246,0.25); }

.tool-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.tool-card p {
  font-size: 0.88rem;
  color: var(--text-2);
  line-height: 1.65;
  flex: 1;
  margin-bottom: 16px;
}
.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}
.card-tags span {
  font-size: 0.72rem;
  padding: 3px 9px;
  border-radius: 6px;
  background: var(--surface-2);
  color: var(--text-3);
  border: 1px solid rgba(255,255,255,0.06);
}
.card-footer {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--cyan);
  border-top: 1px solid var(--border);
  padding-top: 16px;
}
.card-cta { flex: 1; }
.coming-label { color: var(--text-3); font-size: 0.82rem; }

/* ── Features ── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}
.feature-item {
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color 0.2s;
}
.feature-item:hover { border-color: var(--border-2); }
.feature-icon { font-size: 2rem; margin-bottom: 14px; }
.feature-item h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.feature-item p {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.65;
}

/* ── Footer ── */
.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  padding: 48px 24px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}
.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 10px;
}
.footer-desc {
  color: var(--text-2);
  font-size: 0.875rem;
  margin-bottom: 16px;
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--text-3);
  margin-bottom: 24px;
}
.footer-links a:hover { color: var(--text); }
.footer-copy {
  font-size: 0.78rem;
  color: var(--text-3);
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* ── Responsive ── */
@media (max-width: 768px) {
  .hero { flex-direction: column; padding-top: 100px; gap: 40px; }
  .hero-visual { display: none; }
  .nav-links a { display: none; }
  .hero-stats { gap: 16px; }
}