@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root {
  --primary: #6366f1;
  --primary-light: #818cf8;
  --secondary: #8b5cf6;
  --accent: #f59e0b;
  --cyan: #06b6d4;
  --bg: #080811;
  --bg2: #0c0c18;
  --card: rgba(255,255,255,0.03);
  --card-border: rgba(255,255,255,0.07);
  --text: #f1f5f9;
  --text-muted: #4b5563;
  --text-secondary: #94a3b8;
  --success: #10b981;
  --radius: 16px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.6; overflow-x: hidden;
}
body::before {
  content: ''; position: fixed; top: -300px; left: -200px; width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(99,102,241,0.12) 0%, transparent 65%);
  pointer-events: none; z-index: 0;
}
body::after {
  content: ''; position: fixed; bottom: -300px; right: -200px; width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(139,92,246,0.1) 0%, transparent 65%);
  pointer-events: none; z-index: 0;
}
a { text-decoration: none; color: inherit; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }
.accent { color: var(--accent); }
.header {
  background: rgba(8,8,17,0.75); border-bottom: 1px solid rgba(255,255,255,0.05);
  padding: 0; position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
}
.header .container { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { display: flex; align-items: center; gap: 8px; font-size: 19px; font-weight: 800; letter-spacing: -0.5px; }
.logo-icon { font-size: 20px; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a { color: var(--text-secondary); font-size: 14px; font-weight: 500; padding: 7px 14px; border-radius: 9px; transition: all 0.2s; }
.nav a:hover { color: var(--text); background: rgba(255,255,255,0.06); }
.hero { text-align: center; padding: 96px 24px 80px; position: relative; overflow: hidden; }
.hero::before {
  content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(99,102,241,0.055) 1px, transparent 1px), linear-gradient(90deg, rgba(99,102,241,0.055) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 75% 80% at 50% 0%, black 0%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 75% 80% at 50% 0%, black 0%, transparent 100%);
}
.hero::after {
  content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 600px; height: 300px;
  background: radial-gradient(ellipse, rgba(99,102,241,0.15) 0%, transparent 70%);
  pointer-events: none;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(99,102,241,0.1); border: 1px solid rgba(99,102,241,0.22);
  color: var(--primary-light); padding: 7px 18px; border-radius: 100px;
  font-size: 13px; font-weight: 600; margin-bottom: 28px; position: relative; z-index: 1;
}
.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.4rem); font-weight: 900; line-height: 1.08;
  margin-bottom: 22px; letter-spacing: -2.5px;
  background: linear-gradient(150deg, #f1f5f9 10%, #c7d2fe 50%, #a5b4fc 90%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  position: relative; z-index: 1;
}
.hero h1 .highlight {
  background: linear-gradient(135deg, #818cf8, #a78bfa 50%, #06b6d4);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero p { font-size: 17px; color: var(--text-secondary); margin-bottom: 40px; max-width: 500px; margin-left: auto; margin-right: auto; line-height: 1.75; position: relative; z-index: 1; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white; padding: 14px 32px; border-radius: 100px; font-weight: 700; font-size: 15px;
  transition: all 0.3s; border: none; cursor: pointer;
  box-shadow: 0 0 0 1px rgba(99,102,241,0.35), 0 6px 28px rgba(99,102,241,0.3);
  position: relative; z-index: 1;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 0 1px rgba(99,102,241,0.5), 0 10px 36px rgba(99,102,241,0.45); }
.hero-stats { display: flex; gap: 0; justify-content: center; margin-top: 60px; flex-wrap: wrap; position: relative; z-index: 1; }
.hero-stat { text-align: center; padding: 0 36px; position: relative; }
.hero-stat + .hero-stat::before { content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%); height: 32px; width: 1px; background: rgba(255,255,255,0.08); }
.hero-stat-num { font-size: 26px; font-weight: 800; letter-spacing: -1px; background: linear-gradient(135deg, var(--primary-light), var(--cyan)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-stat-label { font-size: 12px; color: var(--text-muted); margin-top: 3px; font-weight: 500; }
.ad-banner { background: rgba(255,255,255,0.02); border: 1px dashed rgba(255,255,255,0.07); border-radius: var(--radius); height: 90px; display: flex; align-items: center; justify-content: center; margin: 32px 0; }
.tools-section { padding: 48px 0 80px; }
.section-header { text-align: center; margin-bottom: 48px; }
.section-label { display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: 2.5px; text-transform: uppercase; color: var(--primary-light); margin-bottom: 10px; }
.section-title { font-size: clamp(1.8rem, 3.5vw, 2.5rem); font-weight: 800; letter-spacing: -1px; color: var(--text); }
.tools-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 14px; }
.tool-card { background: rgba(255,255,255,0.025); border: 1px solid rgba(255,255,255,0.065); border-radius: var(--radius); padding: 28px 26px; transition: all 0.3s cubic-bezier(0.4,0,0.2,1); display: block; cursor: pointer; position: relative; overflow: hidden; }
.tool-card::after { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(99,102,241,0.07) 0%, rgba(139,92,246,0.03) 100%); opacity: 0; transition: opacity 0.3s; pointer-events: none; }
.tool-card:hover { border-color: rgba(99,102,241,0.38); transform: translateY(-5px); box-shadow: 0 24px 48px rgba(0,0,0,0.5), 0 0 0 1px rgba(99,102,241,0.18), inset 0 1px 0 rgba(255,255,255,0.06); }
.tool-card:hover::after { opacity: 1; }
.tool-card-arrow { position: absolute; top: 24px; right: 24px; font-size: 16px; color: rgba(255,255,255,0.12); transition: all 0.3s; font-style: normal; }
.tool-card:hover .tool-card-arrow { color: var(--primary-light); transform: translate(2px, -2px); }
.tool-icon-wrap { width: 50px; height: 50px; border-radius: 13px; background: linear-gradient(135deg, rgba(99,102,241,0.18), rgba(139,92,246,0.1)); border: 1px solid rgba(99,102,241,0.18); display: flex; align-items: center; justify-content: center; font-size: 24px; margin-bottom: 18px; transition: all 0.3s; }
.tool-card:hover .tool-icon-wrap { background: linear-gradient(135deg, rgba(99,102,241,0.3), rgba(139,92,246,0.18)); border-color: rgba(99,102,241,0.38); transform: scale(1.06); }
.tool-card h3 { font-size: 15.5px; font-weight: 700; margin-bottom: 7px; color: var(--text); letter-spacing: -0.2px; }
.tool-card p { font-size: 13.5px; color: var(--text-muted); line-height: 1.6; }
.features-section { padding: 80px 0; border-top: 1px solid rgba(255,255,255,0.04); border-bottom: 1px solid rgba(255,255,255,0.04); background: rgba(255,255,255,0.008); }
.features-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.feature-card { padding: 32px 28px; background: rgba(255,255,255,0.02); border-radius: var(--radius); border: 1px solid rgba(255,255,255,0.055); transition: all 0.3s; }
.feature-card:hover { background: rgba(255,255,255,0.04); border-color: rgba(99,102,241,0.2); transform: translateY(-3px); }
.feature-icon-wrap { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 22px; margin-bottom: 20px; }
.fi-purple { background: linear-gradient(135deg, rgba(99,102,241,0.25), rgba(139,92,246,0.12)); }
.fi-cyan   { background: linear-gradient(135deg, rgba(6,182,212,0.22), rgba(6,182,212,0.08)); }
.fi-amber  { background: linear-gradient(135deg, rgba(245,158,11,0.22), rgba(245,158,11,0.08)); }
.fi-green  { background: linear-gradient(135deg, rgba(16,185,129,0.22), rgba(16,185,129,0.08)); }
.feature-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 9px; color: var(--text); }
.feature-card p { font-size: 14px; color: var(--text-muted); line-height: 1.65; }
.footer { padding: 60px 0 32px; background: var(--bg2); border-top: 1px solid rgba(255,255,255,0.04); }
.footer-content { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 32px; margin-bottom: 40px; }
.footer-brand { display: flex; flex-direction: column; gap: 12px; }
.footer-brand p { color: var(--text-muted); font-size: 14px; max-width: 250px; line-height: 1.65; }
.footer-links { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.footer-links a { color: var(--text-muted); font-size: 14px; font-weight: 500; padding: 7px 13px; border-radius: 8px; transition: all 0.2s; }
.footer-links a:hover { color: var(--text); background: rgba(255,255,255,0.05); }
.footer-copy { color: var(--text-muted); font-size: 13px; text-align: center; border-top: 1px solid rgba(255,255,255,0.04); padding-top: 24px; }
.tool-page { min-height: 100vh; }
.tool-hero { text-align: center; padding: 56px 0 44px; background: linear-gradient(180deg, rgba(99,102,241,0.06) 0%, transparent 100%); border-bottom: 1px solid rgba(255,255,255,0.05); position: relative; }
.tool-hero::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(rgba(99,102,241,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(99,102,241,0.04) 1px, transparent 1px); background-size: 48px 48px; mask-image: radial-gradient(ellipse 70% 100% at 50% 0%, black 0%, transparent 100%); -webkit-mask-image: radial-gradient(ellipse 70% 100% at 50% 0%, black 0%, transparent 100%); }
.tool-hero .tool-icon { width: 68px; height: 68px; border-radius: 18px; background: linear-gradient(135deg, rgba(99,102,241,0.22), rgba(139,92,246,0.12)); border: 1px solid rgba(99,102,241,0.22); display: flex; align-items: center; justify-content: center; font-size: 34px; margin: 0 auto 20px; position: relative; z-index: 1; }
.tool-hero h1 { font-size: 2rem; font-weight: 800; margin-bottom: 10px; letter-spacing: -0.8px; position: relative; z-index: 1; }
.tool-hero p { color: var(--text-secondary); font-size: 15px; position: relative; z-index: 1; }
.back-link { display: inline-flex; align-items: center; gap: 6px; color: var(--text-secondary); font-size: 13.5px; font-weight: 500; margin-bottom: 28px; padding: 7px 13px; border-radius: 9px; transition: all 0.2s; }
.back-link:hover { color: var(--text); background: rgba(255,255,255,0.05); }
.tool-container { padding: 40px 0 72px; }
.tool-box { background: rgba(255,255,255,0.025); border: 1px solid rgba(255,255,255,0.08); border-radius: 20px; padding: 36px; max-width: 820px; margin: 0 auto; backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
textarea, input[type="text"], input[type="number"], input[type="date"], select { width: 100%; background: rgba(0,0,0,0.3); border: 1px solid rgba(255,255,255,0.09); border-radius: 10px; color: var(--text); padding: 13px 16px; font-size: 15px; font-family: 'Inter', inherit; resize: vertical; outline: none; transition: all 0.2s; }
textarea:focus, input:focus, select:focus { border-color: rgba(99,102,241,0.5); box-shadow: 0 0 0 3px rgba(99,102,241,0.1); }
textarea::placeholder, input::placeholder { color: var(--text-muted); }
label { display: block; font-size: 13px; font-weight: 600; color: var(--text-secondary); margin-bottom: 8px; letter-spacing: 0.2px; }
.form-group { margin-bottom: 20px; }
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 11px 22px; border-radius: 10px; font-weight: 700; font-size: 14px; cursor: pointer; border: none; transition: all 0.2s; font-family: 'Inter', inherit; }
.btn-purple { background: linear-gradient(135deg, var(--primary), var(--secondary)); color: white; box-shadow: 0 4px 16px rgba(99,102,241,0.25); }
.btn-purple:hover { transform: translateY(-1px); box-shadow: 0 6px 24px rgba(99,102,241,0.4); }
.btn-gray { background: rgba(255,255,255,0.06); color: var(--text); border: 1px solid rgba(255,255,255,0.08); }
.btn-gray:hover { background: rgba(255,255,255,0.1); }
.btn-green { background: linear-gradient(135deg, var(--success), #059669); color: white; }
.result-box { background: rgba(0,0,0,0.35); border: 1px solid rgba(255,255,255,0.08); border-radius: 10px; padding: 16px; font-family: 'Courier New', monospace; font-size: 14px; word-break: break-all; white-space: pre-wrap; min-height: 60px; color: var(--text); }
.stats-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }
.stat-chip { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: 100px; padding: 6px 16px; font-size: 13px; font-weight: 600; color: var(--text-secondary); }
.stat-chip span { color: var(--primary-light); }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }
.copy-btn { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); color: var(--text-secondary); padding: 8px 16px; border-radius: 8px; font-size: 13px; font-weight: 600; cursor: pointer; transition: all 0.2s; font-family: 'Inter', inherit; }
.copy-btn:hover { background: rgba(99,102,241,0.12); border-color: rgba(99,102,241,0.3); color: var(--primary-light); }
.success-msg { color: var(--success); font-size: 13px; margin-top: 8px; display: none; font-weight: 600; }
.checkbox-row { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.checkbox-row input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--primary); }
.checkbox-row label { margin: 0; font-size: 14px; color: var(--text-secondary); font-weight: 500; }
.color-preview { width: 100%; height: 120px; border-radius: 12px; border: 1px solid rgba(255,255,255,0.1); margin-bottom: 16px; }
input[type="range"] { width: 100%; accent-color: var(--primary); height: 4px; padding: 0; }
@media (max-width: 768px) { .hero { padding: 72px 20px 60px; } .hero h1 { letter-spacing: -1.5px; } .hero-stats { gap: 0; } .hero-stat { padding: 0 20px; } .tools-grid { grid-template-columns: 1fr; gap: 10px; } .features-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .hero h1 { font-size: 2.2rem; letter-spacing: -1px; } .hero-stat { padding: 8px 16px; } .hero-stat + .hero-stat::before { display: none; } .tool-box { padding: 24px 18px; border-radius: 16px; } .stats-row { flex-direction: column; } .footer-content { flex-direction: column; } .features-grid { grid-template-columns: 1fr; } }