/* ===== AI Hustle — Sunny Vibrant Theme ===== */

:root {
  --bg: #FFFBF5;
  --bg2: #FFF8ED;
  --card: rgba(255,255,255,0.8);
  --card-hover: #FFFFFF;
  --border: rgba(0,0,0,0.06);
  --text: #1A1A2E;
  --text2: #555570;
  --text3: #9999AA;

  --c-sun: #FF8C00;
  --c-coral: #FF6B6B;
  --c-lime: #4ECB71;
  --c-sky: #4DABF7;

  --gradient-hero: linear-gradient(135deg, #FF8C00, #FF6B6B, #E64980);
  --gradient-card1: linear-gradient(135deg, rgba(255,140,0,0.08), rgba(255,107,107,0.05));
  --gradient-card2: linear-gradient(135deg, rgba(230,73,128,0.08), rgba(168,85,247,0.05));
  --gradient-card3: linear-gradient(135deg, rgba(78,203,113,0.08), rgba(6,214,160,0.05));
  --gradient-card4: linear-gradient(135deg, rgba(77,171,247,0.08), rgba(59,130,246,0.05));

  --radius: 18px;
  --radius-sm: 12px;
  --transition: 0.25s ease;
  --shadow: 0 4px 20px rgba(0,0,0,0.06);
  --shadow-hover: 0 12px 36px rgba(0,0,0,0.1);
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
a { color:inherit; text-decoration:none; }
img { max-width:100%; display:block; }
.container { max-width: 1200px; margin:0 auto; padding:0 24px; }

/* ===== Header ===== */
.header {
  position: sticky; top:0; z-index:100;
  background: rgba(255,251,245,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display:flex; align-items:center; justify-content:space-between; height:64px; }
.logo { font-size:1.35rem; font-weight:800; color:var(--text); }
.logo-icon { margin-right:6px; }
.logo .accent { background:var(--gradient-hero); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.nav-links { display:flex; gap:24px; align-items:center; }
.nav-links a { color:var(--text2); font-size:0.9rem; font-weight:500; transition:color var(--transition); }
.nav-links a:hover { color:var(--c-sun); }
.nav-links a.active { color:var(--c-sun); font-weight:600; }
.mobile-toggle { display:none; background:none; border:none; color:var(--text); font-size:1.5rem; cursor:pointer; }

/* ===== Hero ===== */
.hero {
  text-align:center; padding:100px 24px 80px; position:relative; overflow:hidden;
  background: linear-gradient(180deg, rgba(255,140,0,0.04) 0%, rgba(255,107,107,0.03) 50%, transparent 100%);
}
.hero::before {
  content:''; position:absolute; top:-40%; left:50%; transform:translateX(-50%);
  width:800px; height:800px;
  background: radial-gradient(circle, rgba(255,140,0,0.08) 0%, rgba(255,107,107,0.04) 40%, transparent 70%);
  pointer-events:none;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem); font-weight:900; line-height:1.15;
  margin-bottom:20px; position:relative;
}
.hero h1 .gradient-text {
  background: var(--gradient-hero);
  -webkit-background-clip:text; -webkit-text-fill-color:transparent;
  background-clip:text;
}
.hero p { color:var(--text2); font-size:1.15rem; max-width:600px; margin:0 auto 36px; position:relative; }

/* ===== Search ===== */
.search-box { position:relative; max-width:520px; margin:0 auto; }
.search-box input {
  width:100%; padding:18px 60px 18px 24px;
  background: #fff; border:2px solid var(--border);
  border-radius:50px; color:var(--text); font-size:1.02rem;
  transition:all var(--transition); outline:none;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}
.search-box input:focus {
  border-color: var(--c-sun);
  box-shadow: 0 0 0 6px rgba(255,140,0,0.1);
}
.search-box input::placeholder { color:var(--text3); }
.search-icon { position:absolute; right:22px; top:50%; transform:translateY(-50%); font-size:1.2rem; pointer-events:none; }

/* ===== Stats ===== */
.stats-bar {
  display:flex; justify-content:center; gap:64px;
  padding:40px 0 56px; flex-wrap:wrap;
}
.stat-item { text-align:center; }
.stat-number {
  font-size:2.4rem; font-weight:900;
  background: var(--gradient-hero);
  -webkit-background-clip:text; -webkit-text-fill-color:transparent;
  background-clip:text;
}
.stat-label { color:var(--text3); font-size:0.85rem; margin-top:6px; font-weight:500; }

/* ===== Section ===== */
.section { padding:56px 0; }
.section-header { display:flex; justify-content:space-between; align-items:center; margin-bottom:32px; }
.section-title { font-size:1.6rem; font-weight:800; }
.section-title .emoji { margin-right:8px; }

/* ===== Category Cards ===== */
.cat-grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(250px, 1fr)); gap:20px; }
.cat-card {
  display:flex; align-items:center; gap:18px; padding:28px 24px;
  background: #fff; border:2px solid var(--border);
  border-radius:var(--radius); cursor:pointer;
  transition:all var(--transition); box-shadow:var(--shadow);
  position:relative; overflow:hidden;
}
.cat-card::after {
  content:''; position:absolute; bottom:0; left:0; right:0; height:4px;
  transition:height var(--transition); border-radius:0 0 var(--radius) var(--radius);
}
.cat-card:nth-child(1)::after { background:var(--c-sun); }
.cat-card:nth-child(2)::after { background:var(--c-coral); }
.cat-card:nth-child(3)::after { background:var(--c-lime); }
.cat-card:nth-child(4)::after { background:var(--c-sky); }
.cat-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-hover); }
.cat-card:hover::after { height:6px; }
.cat-card:nth-child(1):hover { border-color:var(--c-sun); background:linear-gradient(135deg, rgba(255,140,0,0.04), #fff); }
.cat-card:nth-child(2):hover { border-color:var(--c-coral); }
.cat-card:nth-child(3):hover { border-color:var(--c-lime); }
.cat-card:nth-child(4):hover { border-color:var(--c-sky); }
.cat-icon { font-size:2.2rem; }
.cat-info h3 { font-size:1.05rem; font-weight:700; }
.cat-info span { color:var(--text3); font-size:0.85rem; }

/* ===== Filter Bar ===== */
.filter-bar { display:flex; gap:10px; margin-bottom:28px; flex-wrap:wrap; }
.filter-btn {
  padding:10px 24px; background:#fff;
  border:2px solid var(--border); border-radius:50px;
  color:var(--text2); font-size:0.9rem; font-weight:500;
  cursor:pointer; transition:all var(--transition);
}
.filter-btn:hover { border-color:var(--c-sun); color:var(--c-sun); }
.filter-btn.active { background:var(--c-sun); border-color:var(--c-sun); color:#fff; font-weight:600; }
.filter-btn[data-category="freelancing"].active { background:var(--c-sun); border-color:var(--c-sun); }
.filter-btn[data-category="digital-products"].active { background:var(--c-coral); border-color:var(--c-coral); }
.filter-btn[data-category="content-creation"].active { background:var(--c-lime); border-color:var(--c-lime); }
.filter-btn[data-category="ai-services"].active { background:var(--c-sky); border-color:var(--c-sky); }
.filter-btn[data-category="digital-products"]:hover { border-color:var(--c-coral); color:var(--c-coral); }
.filter-btn[data-category="content-creation"]:hover { border-color:var(--c-lime); color:var(--c-lime); }
.filter-btn[data-category="ai-services"]:hover { border-color:var(--c-sky); color:var(--c-sky); }

/* ===== Methods Grid ===== */
.methods-grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(350px, 1fr)); gap:24px; }
.method-card {
  display:block;
  background:#fff; border:2px solid var(--border);
  border-radius:var(--radius); overflow:hidden;
  transition:all var(--transition);
  box-shadow:var(--shadow);
  position:relative; text-decoration:none; color:inherit;
}
.method-card[data-category="freelancing"] { border-top:4px solid var(--c-sun); }
.method-card[data-category="digital-products"] { border-top:4px solid var(--c-coral); }
.method-card[data-category="content-creation"] { border-top:4px solid var(--c-lime); }
.method-card[data-category="ai-services"] { border-top:4px solid var(--c-sky); }
.method-card:hover { transform:translateY(-6px); box-shadow:var(--shadow-hover); }
.method-card[data-category="freelancing"]:hover { border-color:var(--c-sun); }
.method-card[data-category="digital-products"]:hover { border-color:var(--c-coral); }
.method-card[data-category="content-creation"]:hover { border-color:var(--c-lime); }
.method-card[data-category="ai-services"]:hover { border-color:var(--c-sky); }
.method-card-inner { padding:28px 28px 24px; }
.method-header { display:flex; align-items:flex-start; gap:16px; margin-bottom:16px; }
.method-icon {
  width:56px; height:56px; border-radius:16px;
  display:flex; align-items:center; justify-content:center;
  font-size:1.7rem; flex-shrink:0;
  background: rgba(255,140,0,0.08);
}
.method-card[data-category="freelancing"] .method-icon { background:rgba(255,140,0,0.1); }
.method-card[data-category="digital-products"] .method-icon { background:rgba(255,107,107,0.1); }
.method-card[data-category="content-creation"] .method-icon { background:rgba(78,203,113,0.1); }
.method-card[data-category="ai-services"] .method-icon { background:rgba(77,171,247,0.1); }
.method-meta { flex:1; }
.method-title { font-size:1.15rem; font-weight:700; margin-bottom:4px; color:var(--text); }
.method-difficulty {
  font-size:0.78rem; font-weight:600;
  padding:3px 12px; border-radius:20px; display:inline-block;
  background:rgba(255,140,0,0.08); color:var(--c-sun);
}
.method-summary { color:var(--text2); font-size:0.93rem; line-height:1.7; margin-bottom:20px; }
.method-details { display:flex; flex-direction:column; gap:10px; padding-top:16px; border-top:1px solid var(--border); }
.detail-row { display:flex; gap:10px; align-items:flex-start; }
.detail-label {
  color:var(--text3); font-size:0.75rem; font-weight:700; text-transform:uppercase;
  letter-spacing:0.5px; min-width:72px; flex-shrink:0; padding-top:3px;
}
.detail-value { color:var(--text2); font-size:0.88rem; line-height:1.6; }

/* ===== Footer ===== */
.footer {
  border-top:1px solid var(--border); padding:48px 0 32px; margin-top:48px;
  background:var(--bg2);
}
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr; gap:40px; margin-bottom:32px; }
.footer-brand h3 { margin-bottom:8px; }
.footer-brand p { color:var(--text3); font-size:0.9rem; margin-top:8px; }
.footer-col h4 { font-size:0.95rem; margin-bottom:16px; font-weight:700; }
.footer-col a { display:block; color:var(--text3); font-size:0.9rem; margin-bottom:10px; transition:color var(--transition); }
.footer-col a:hover { color:var(--c-sun); }
.footer-bottom {
  padding-top:24px; border-top:1px solid var(--border);
  display:flex; justify-content:space-between; align-items:center;
  color:var(--text3); font-size:0.85rem;
}

/* ===== About ===== */
.about-content h2 { font-size:1.3rem; margin:32px 0 12px; }
.about-content p { color:var(--text2); margin-bottom:14px; line-height:1.8; max-width:700px; }

/* ===== Responsive ===== */
@media (max-width:768px) {
  .nav-links { display:none; }
  .nav-links.open {
    display:flex; flex-direction:column; position:absolute;
    top:64px; left:0; right:0;
    background:rgba(255,251,245,0.98);
    backdrop-filter:blur(20px);
    border-bottom:1px solid var(--border);
    padding:16px 24px; gap:16px;
  }
  .mobile-toggle { display:block; }
  .methods-grid { grid-template-columns:1fr; }
  .cat-grid { grid-template-columns:1fr 1fr; }
  .stats-bar { gap:32px; }
  .footer-grid { grid-template-columns:1fr 1fr; gap:24px; }
}
@media (max-width:480px) {
  .cat-grid { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; }
  .hero { padding:56px 16px 40px; }
  .filter-bar { overflow-x:auto; flex-wrap:nowrap; -webkit-overflow-scrolling:touch; padding-bottom:8px; }
  .filter-btn { white-space:nowrap; flex-shrink:0; }
}