/* =========================================
   Lobsters Token — Main Stylesheet
   ========================================= */

/* --- Variables --- */
:root {
  --color-primary: #FF6B35;
  --color-primary-dark: #E85A28;
  --color-secondary: #1A1A2E;
  --color-accent: #16213E;
  --color-bg: #FAFAFA;
  --color-surface: #FFFFFF;
  --color-code-bg: #1A1A2E;
  --color-code-surface: #0F0F1A;
  --color-text: #1A1A2E;
  --color-text-muted: #6B7280;
  --color-border: #E5E7EB;
  --color-success: #10B981;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --radius: 8px;
  --radius-sm: 6px;
  --shadow: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
  --container: 1120px;
  --nav-height: 64px;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-secondary);
}
h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.125rem, 2vw, 1.5rem); }
p { color: var(--color-text); line-height: 1.7; }
.text-muted { color: var(--color-text-muted); }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--color-code-bg);
  color: #F97316;
  padding: 0.15em 0.4em;
  border-radius: 4px;
}

/* --- Layout --- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 80px 0; }
.section--sm { padding: 48px 0; }
.section--dark {
  background: var(--color-secondary);
  color: #fff;
}
.section--dark h1,
.section--dark h2,
.section--dark h3 { color: #fff; }
.section--dark p { color: rgba(255,255,255,0.75); }

/* --- Grid --- */
.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 768px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
}

/* --- Navigation --- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  height: var(--nav-height);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.nav__logo {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--color-secondary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav__logo:hover { text-decoration: none; color: var(--color-primary); }
.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav__links a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color 0.2s;
}
.nav__links a:hover { color: var(--color-text); text-decoration: none; }
.nav__links a.active { color: var(--color-primary); }
.nav__cta {
  background: var(--color-primary);
  color: #fff !important;
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: background 0.2s;
}
.nav__cta:hover { background: var(--color-primary-dark); text-decoration: none !important; }

/* Mobile nav */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}
.nav__hamburger span {
  width: 22px;
  height: 2px;
  background: var(--color-secondary);
  border-radius: 2px;
  transition: all 0.3s;
}
.nav__mobile {
  display: none;
  position: absolute;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 16px 24px 24px;
  flex-direction: column;
  gap: 16px;
}
.nav__mobile.open { display: flex; }
.nav__mobile a {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
  padding: 8px 0;
}
@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__hamburger { display: flex; }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn--primary {
  background: var(--color-primary);
  color: #fff;
}
.btn--primary:hover { background: var(--color-primary-dark); }
.btn--secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn--secondary:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn--ghost {
  background: transparent;
  color: var(--color-primary);
  padding: 12px 0;
}
.btn--ghost:hover { color: var(--color-primary-dark); }
.btn--lg { padding: 14px 36px; font-size: 1rem; }
.btn--sm { padding: 8px 16px; font-size: 0.875rem; }

/* --- Cards --- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  transition: box-shadow 0.2s, transform 0.2s;
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.card--dark {
  background: var(--color-accent);
  border-color: transparent;
}
.card__icon {
  width: 48px;
  height: 48px;
  background: rgba(255,107,53,0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 16px;
}
.card__title { margin-bottom: 8px; }
.card__text { color: var(--color-text-muted); font-size: 0.9375rem; }

/* --- Hero --- */
.hero {
  padding: 100px 0 80px;
  text-align: center;
}
.hero h1 { margin-bottom: 20px; }
.hero__sub {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto 40px;
}
.hero__actions { display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; }
.hero__note { margin-top: 16px; font-size: 0.875rem; color: var(--color-text-muted); }

/* --- Stats Strip --- */
.stats {
  background: var(--color-secondary);
  color: #fff;
  padding: 48px 0;
}
.stats__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; text-align: center; }
.stats__number { font-size: 2.5rem; font-weight: 800; color: var(--color-primary); }
.stats__label { font-size: 0.9375rem; color: rgba(255,255,255,0.7); margin-top: 4px; }
@media (max-width: 600px) { .stats__grid { grid-template-columns: 1fr; } }

/* --- Code Block --- */
.code-block {
  background: var(--color-code-bg);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 24px 0;
}
.code-block__header {
  background: rgba(255,255,255,0.05);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.code-block__dot {
  width: 12px; height: 12px; border-radius: 50%;
}
.code-block__dot--red { background: #FF5F57; }
.code-block__dot--yellow { background: #FEBC2E; }
.code-block__dot--green { background: #28C840; }
.code-block__label {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.4);
}
.code-block__body {
  padding: 24px;
  overflow-x: auto;
}
.code-block pre {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.7;
  color: #E2E8F0;
  white-space: pre;
}
.code-block .json-key { color: #93C5FD; }
.code-block .json-str { color: #86EFAC; }
.code-block .json-num { color: #FCA5A5; }
.code-block .json-bool { color: #F9A8D4; }

/* --- Section Header --- */
.section-header { text-align: center; max-width: 680px; margin: 0 auto 56px; }
.section-header h2 { margin-bottom: 12px; }
.section-header p { font-size: 1.0625rem; color: var(--color-text-muted); }
.section-header--light h2 { color: #fff; }
.section-header--light p { color: rgba(255,255,255,0.65); }

/* --- Tables --- */
.table-wrap { overflow-x: auto; margin: 24px 0; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}
th {
  text-align: left;
  padding: 12px 16px;
  background: var(--color-surface);
  border-bottom: 2px solid var(--color-border);
  font-weight: 600;
  color: var(--color-secondary);
  white-space: nowrap;
}
td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}
tr:hover td { background: rgba(0,0,0,0.02); }
.table--dark th { background: var(--color-accent); border-color: rgba(255,255,255,0.1); color: #fff; }
.table--dark td { border-color: rgba(255,255,255,0.08); color: rgba(255,255,255,0.8); }

/* --- FAQ --- */
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-item:last-child { border-bottom: none; }
.faq-question {
  padding: 20px 0;
  font-weight: 600;
  font-size: 1.0625rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq-question::after {
  content: '+';
  font-size: 1.25rem;
  color: var(--color-primary);
  transition: transform 0.2s;
  flex-shrink: 0;
}
.faq-item.open .faq-question::after { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.faq-item.open .faq-answer { max-height: 200px; }
.faq-answer p { padding-bottom: 20px; color: var(--color-text-muted); }

/* --- Forms --- */
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 0.875rem; font-weight: 600; margin-bottom: 6px; color: var(--color-secondary); }
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color 0.2s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(255,107,53,0.1);
}
.form-textarea { min-height: 120px; resize: vertical; }

/* --- Badges --- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  font-family: var(--font-mono);
}
.badge--orange { background: rgba(255,107,53,0.12); color: var(--color-primary); }
.badge--green { background: rgba(16,185,129,0.12); color: var(--color-success); }
.badge--blue { background: rgba(59,130,246,0.12); color: #3B82F6; }
.badge--gray { background: rgba(107,114,128,0.12); color: var(--color-text-muted); }

/* --- Footer --- */
.footer {
  background: var(--color-secondary);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 32px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer__brand p { margin-top: 12px; font-size: 0.875rem; max-width: 280px; }
.footer__col h4 { color: #fff; font-size: 0.8125rem; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 16px; }
.footer__col a { display: block; font-size: 0.875rem; color: rgba(255,255,255,0.6); margin-bottom: 10px; transition: color 0.2s; }
.footer__col a:hover { color: var(--color-primary); text-decoration: none; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 24px; font-size: 0.8125rem; color: rgba(255,255,255,0.4); }
@media (max-width: 768px) {
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 480px) {
  .footer__grid { grid-template-columns: 1fr; }
}

/* --- Page Header --- */
.page-header {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 100%);
  color: #fff;
  padding: 72px 0 64px;
  text-align: center;
}
.page-header h1 { color: #fff; margin-bottom: 12px; }
.page-header p { font-size: 1.125rem; color: rgba(255,255,255,0.7); max-width: 560px; margin: 0 auto; }

/* --- Feature Detail --- */
.feature-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin: 64px 0;
}
.feature-detail:nth-child(even) { direction: rtl; }
.feature-detail:nth-child(even) > * { direction: ltr; }
.feature-detail h3 { margin-bottom: 12px; }
.feature-detail p { color: var(--color-text-muted); margin-bottom: 20px; }
@media (max-width: 768px) {
  .feature-detail, .feature-detail:nth-child(even) { grid-template-columns: 1fr; direction: ltr; }
}
.feature-list { margin-top: 16px; }
.feature-list li {
  padding: 6px 0;
  font-size: 0.9375rem;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text);
}
.feature-list li::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  flex-shrink: 0;
}

/* --- Demo Terminal --- */
.demo-wrap { max-width: 800px; margin: 0 auto; }

/* --- Pricing Card --- */
.pricing-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
}
.pricing-card--featured {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary);
}
.pricing-card__price { font-size: 3rem; font-weight: 800; color: var(--color-secondary); }
.pricing-card__price span { font-size: 1rem; font-weight: 500; color: var(--color-text-muted); }
.pricing-card__desc { color: var(--color-text-muted); margin: 8px 0 24px; }

/* --- Model Badge Grid --- */
.model-grid { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }

/* --- Alert / Note --- */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  margin: 16px 0;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.alert--info { background: rgba(59,130,246,0.08); border: 1px solid rgba(59,130,246,0.2); color: #1D4ED8; }
.alert--warning { background: rgba(245,158,11,0.08); border: 1px solid rgba(245,158,11,0.2); color: #B45309; }

/* --- Doc Section --- */
.doc-section { margin-bottom: 48px; }
.doc-section h2 { font-size: 1.5rem; margin-bottom: 16px; border-bottom: 1px solid var(--color-border); padding-bottom: 12px; }
.doc-section h3 { font-size: 1.125rem; margin: 24px 0 12px; }
.doc-section p { margin-bottom: 12px; }

/* --- Misc utilities --- */
.text-center { text-align: center; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mt-8 { margin-top: 32px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.flex { display: flex; }
.flex--center { align-items: center; justify-content: center; }
.gap-2 { gap: 8px; }
.gap-4 { gap: 16px; }
.gap-6 { gap: 24px; }
.highlight-row td { background: rgba(255,107,53,0.04); }

/* --- Responsive --- */
@media (max-width: 600px) {
  .section { padding: 56px 0; }
  .hero { padding: 72px 0 56px; }
  .container { padding: 0 16px; }
}