/* ==========================================================================
   HAO TOOLS ULTIMATE PLATFORM — CORE DESIGN SYSTEM (css/style.css)
   Visual Direction: Dark Charcoal (#101310), Premium Surface (#191E19),
   Sage Green Primary (#A3C9A5), Secondary (#6E9674), Crisp Text (#F2F5F0),
   Muted (#929A91), Subtle Glassmorphism, Smooth Micro-Interactions.
   ========================================================================== */

:root {
  --bg-main: #101310;
  --bg-elevated: #141914;
  --surface: #191E19;
  --surface-hover: #202720;
  --surface-glass: rgba(25, 30, 25, 0.78);
  --primary: #A3C9A5;
  --primary-strong: #b8dec0;
  --primary-soft: rgba(163, 201, 165, 0.14);
  --secondary: #6E9674;
  --secondary-soft: rgba(110, 150, 116, 0.18);
  --text-main: #F2F5F0;
  --text-muted: #929A91;
  --border-subtle: rgba(163, 201, 165, 0.14);
  --border-focus: rgba(163, 201, 165, 0.45);
  --success: #6FCF97;
  --warning: #F2C94C;
  --danger: #EB5757;
  --info: #76B5C5;
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-soft: 0 12px 32px -8px rgba(0, 0, 0, 0.55);
  --shadow-glow: 0 0 28px rgba(163, 201, 165, 0.14);
  --font-sans: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
  --transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-main);
  background-image:
    radial-gradient(circle at 15% 10%, rgba(163, 201, 165, 0.07) 0%, transparent 38%),
    radial-gradient(circle at 85% 20%, rgba(110, 150, 116, 0.06) 0%, transparent 40%);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--primary);
}

img, svg {
  max-width: 100%;
  display: block;
}

ul, ol {
  list-style: none;
}

code, pre, .mono {
  font-family: var(--font-mono);
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-narrow {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Announcement Bar */
.announcement-bar {
  background: linear-gradient(90deg, rgba(110, 150, 116, 0.2), rgba(163, 201, 165, 0.25), rgba(110, 150, 116, 0.2));
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.55rem 1rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.announcement-bar a {
  color: var(--primary);
  font-weight: 600;
  text-decoration: underline;
}

/* Top Navbar */
.site-navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(16, 19, 16, 0.84);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
  gap: 1.5rem;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  color: var(--text-main);
}

.brand-logo img {
  width: 38px;
  height: 38px;
  border-radius: 10px;
}

.brand-logo span.accent {
  color: var(--primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-links a {
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-main);
  background: var(--primary-soft);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.mobile-menu-toggle {
  display: none;
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  padding: 0.5rem 0.7rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

/* Hero Section */
.hero-section {
  padding: 5rem 0 4rem;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
}

.eyebrow-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.38rem 0.9rem;
  border-radius: 999px;
  background: var(--primary-soft);
  border: 1px solid var(--border-focus);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.hero-title {
  font-size: clamp(2.25rem, 4.2vw, 3.6rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.hero-title .text-gradient {
  background: linear-gradient(135deg, #F2F5F0 0%, #A3C9A5 60%, #6E9674 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.08rem;
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 2rem;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-bottom: 2.25rem;
}

.hero-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border-subtle);
}

.hero-stat-item strong {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
}

.hero-stat-item span {
  font-size: 0.84rem;
  color: var(--text-muted);
}

/* Section Headers */
.section-block {
  padding: 4.5rem 0;
}

.section-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: 3rem;
}

.section-header.left {
  align-items: flex-start;
  text-align: left;
}

.section-title {
  font-size: clamp(1.65rem, 3vw, 2.35rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.65rem;
}

.section-desc {
  color: var(--text-muted);
  max-width: 640px;
  font-size: 0.98rem;
}

/* Grids */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }

/* Footer */
.site-footer {
  margin-top: auto;
  background: #0c0f0c;
  border-top: 1px solid var(--border-subtle);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--primary);
  margin-bottom: 1rem;
}

.footer-col ul li {
  margin-bottom: 0.6rem;
}

.footer-col ul li a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-col ul li a:hover {
  color: var(--text-main);
}

.footer-bottom {
  padding-top: 1.75rem;
  border-top: 1px solid rgba(163, 201, 165, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Utility Helpers */
.text-primary { color: var(--primary) !important; }
.text-secondary { color: var(--secondary) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-success { color: var(--success) !important; }
.text-warning { color: var(--warning) !important; }
.text-danger { color: var(--danger) !important; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.flex-center { display: flex; align-items: center; gap: 0.65rem; }
.hidden { display: none !important; }