/* ===== Token Hacker - AI API Savings Site ===== */
:root {
  --bg: #0a0e14;
  --bg-card: #141923;
  --bg-card-hover: #1a2030;
  --text: #cdd6f4;
  --text-dim: #6c7086;
  --accent: #89b4fa;
  --accent2: #a6e3a1;
  --accent3: #f9e2af;
  --red: #f38ba8;
  --border: #1e2433;
  --radius: 12px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', 'Fira Code', monospace;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
}

/* ===== Nav ===== */
nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10,14,20,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
}

.nav-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 60px;
}

.logo {
  font-size: 1.3rem; font-weight: 700; color: var(--accent);
  text-decoration: none; display: flex; align-items: center; gap: 8px;
}

.logo .icon { font-size: 1.5rem; }

.nav-links { display: flex; gap: 1.5rem; list-style: none; }

.nav-links a {
  color: var(--text-dim); text-decoration: none;
  font-size: 0.9rem; transition: color 0.2s;
}

.nav-links a:hover { color: var(--accent); }

/* ===== Container ===== */
.container { max-width: 1100px; margin: 0 auto; padding: 0 2rem; }

/* ===== Hero ===== */
.hero {
  text-align: center; padding: 5rem 2rem 4rem;
  background: linear-gradient(135deg, #0a0e14 0%, #111827 50%, #0a0e14 100%);
}

.hero h1 {
  font-size: 3rem; font-weight: 800; line-height: 1.2; margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.2rem; color: var(--text-dim); max-width: 600px;
  margin: 0 auto 2rem;
}

.badge {
  display: inline-block; background: var(--bg-card);
  border: 1px solid var(--border); border-radius: 50px;
  padding: 6px 16px; font-size: 0.85rem; color: var(--accent);
  margin-bottom: 1.5rem;
}

.hero-cta {
  display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap;
}

.btn {
  display: inline-block; padding: 12px 28px; border-radius: 8px;
  text-decoration: none; font-weight: 600; font-size: 0.95rem;
  transition: all 0.2s; cursor: pointer; border: none;
}

.btn-primary {
  background: var(--accent); color: #0a0e14;
}
.btn-primary:hover { background: #96c2fa; transform: translateY(-1px); }

.btn-outline {
  border: 1px solid var(--border); color: var(--text);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

/* ===== Sections ===== */
.section { padding: 4rem 0; }

.section-title {
  font-size: 1.8rem; font-weight: 700; margin-bottom: 0.5rem;
}

.section-subtitle { color: var(--text-dim); margin-bottom: 2rem; }

/* ===== Pricing Table ===== */
.price-table {
  width: 100%; border-collapse: separate; border-spacing: 0;
  border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden;
}

.price-table th {
  background: var(--bg-card); padding: 14px 18px;
  text-align: left; font-weight: 600; font-size: 0.85rem;
  color: var(--accent); border-bottom: 1px solid var(--border);
}

.price-table td {
  padding: 14px 18px; border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
}

.price-table tr:last-child td { border-bottom: none; }
.price-table tr:hover td { background: var(--bg-card-hover); }

.price-table .model-col { font-family: var(--mono); font-size: 0.85rem; }
.price-table .price-col { font-family: var(--mono); color: var(--accent2); }
.price-table .save-col { font-family: var(--mono); color: var(--accent3); }

.tag {
  display: inline-block; font-size: 0.7rem; font-weight: 700;
  padding: 2px 8px; border-radius: 4px; text-transform: uppercase;
}
.tag-best { background: rgba(166,227,161,0.15); color: var(--accent2); }
.tag-fast { background: rgba(137,180,250,0.15); color: var(--accent); }
.tag-new { background: rgba(249,226,175,0.15); color: var(--accent3); }

/* ===== Calculator ===== */
.calculator {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2rem;
}

.calc-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem; margin-bottom: 1.5rem;
}

.calc-field label {
  display: block; font-size: 0.85rem; color: var(--text-dim);
  margin-bottom: 6px;
}

.calc-field select, .calc-field input {
  width: 100%; padding: 10px 14px; border-radius: 8px;
  background: var(--bg); border: 1px solid var(--border);
  color: var(--text); font-size: 0.95rem; font-family: var(--font);
}

.calc-result {
  background: var(--bg); border-radius: var(--radius);
  padding: 1.5rem; text-align: center;
}

.calc-result .monthly { font-size: 2.5rem; font-weight: 800; color: var(--accent2); }
.calc-result .savings { font-size: 1.1rem; color: var(--accent3); margin-top: 0.5rem; }
.calc-result .note { font-size: 0.8rem; color: var(--text-dim); margin-top: 0.5rem; }

/* ===== Feature Cards ===== */
.card-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.8rem;
  transition: border-color 0.2s, transform 0.2s;
}

.card:hover { border-color: var(--accent); transform: translateY(-2px); }

.card .icon { font-size: 2rem; margin-bottom: 1rem; }
.card h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.card p { color: var(--text-dim); font-size: 0.9rem; }

/* ===== Blog Cards ===== */
.blog-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.5rem; margin-bottom: 1rem;
  transition: border-color 0.2s;
}
.blog-card:hover { border-color: var(--accent); }

.blog-card .date { font-size: 0.8rem; color: var(--text-dim); }
.blog-card h3 { font-size: 1.15rem; margin: 0.5rem 0; }
.blog-card h3 a { color: var(--text); text-decoration: none; }
.blog-card h3 a:hover { color: var(--accent); }
.blog-card p { color: var(--text-dim); font-size: 0.9rem; }

/* ===== Footer ===== */
footer {
  border-top: 1px solid var(--border); padding: 2rem;
  text-align: center; color: var(--text-dim); font-size: 0.85rem;
  margin-top: 3rem;
}

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

/* ===== Article ===== */
.article {
  max-width: 750px; margin: 0 auto; padding: 3rem 2rem;
}

.article h1 { font-size: 2.2rem; margin-bottom: 1rem; }
.article h2 { font-size: 1.5rem; margin: 2rem 0 1rem; color: var(--accent); }
.article h3 { font-size: 1.2rem; margin: 1.5rem 0 0.8rem; }
.article p { margin-bottom: 1rem; color: var(--text-dim); }
.article ul, .article ol { margin: 1rem 0 1rem 1.5rem; color: var(--text-dim); }
.article li { margin-bottom: 0.5rem; }
.article code {
  background: var(--bg-card); padding: 2px 8px; border-radius: 4px;
  font-family: var(--mono); font-size: 0.85rem;
}
.article pre {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 8px; padding: 1.2rem; overflow-x: auto;
  margin: 1rem 0; font-size: 0.85rem; line-height: 1.6;
}
.article pre code { background: none; padding: 0; }
.article .highlight {
  background: rgba(137,180,250,0.08); border-left: 3px solid var(--accent);
  padding: 1rem 1.2rem; border-radius: 0 8px 8px 0; margin: 1rem 0;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .hero h1 { font-size: 2rem; }
  .nav-links { gap: 1rem; }
  .price-table { font-size: 0.8rem; }
  .price-table th, .price-table td { padding: 10px; }
  .calc-grid { grid-template-columns: 1fr; }
  .container { padding: 0 1rem; }
}