/* ==========================================================================
   GeoX — Digital Product Studio
   Design System & Stylesheet
   Aesthetic: Linear × Vercel × Mapbox × Nordic Product Studio
   ========================================================================== */

:root {
  /* Dark Mode Palette (Default) */
  --bg-base: #07111A;
  --bg-surface: #0B1926;
  --bg-surface-elevated: #0F2132;
  --bg-card: rgba(11, 25, 38, 0.75);
  --bg-card-hover: rgba(15, 33, 50, 0.9);
  --bg-glass-nav: rgba(7, 17, 26, 0.85);

  --text-primary: #F1F5F9;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --text-inverse: #07111A;

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.12);
  --border-active: rgba(255, 255, 255, 0.22);

  /* GeoX Studio Accents */
  --accent-primary: #38BDF8;        /* Nordic Electric Sky */
  --accent-primary-hover: #0284C7;
  --accent-primary-glow: rgba(56, 189, 248, 0.15);
  --accent-secondary: #22D3EE;

  /* Product-Specific Accent Defaults */
  --product-accent: #38BDF8;
  --product-glow: rgba(56, 189, 248, 0.15);

  /* Shadows & Depth */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 24px 64px rgba(0, 0, 0, 0.5);
  --shadow-browser: 0 20px 50px -10px rgba(0, 0, 0, 0.65), 0 0 0 1px rgba(255, 255, 255, 0.09);

  /* Typography & Layout */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, monospace;
  --max-width: 1200px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Light Mode Overrides */
[data-theme="light"] {
  --bg-base: #F8FAFC;
  --bg-surface: #FFFFFF;
  --bg-surface-elevated: #F1F5F9;
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-card-hover: #FFFFFF;
  --bg-glass-nav: rgba(248, 250, 252, 0.88);

  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #64748B;
  --text-inverse: #FFFFFF;

  --border-subtle: rgba(15, 23, 42, 0.08);
  --border-medium: rgba(15, 23, 42, 0.14);
  --border-active: rgba(15, 23, 42, 0.28);

  --accent-primary: #0284C7;
  --accent-primary-hover: #0369A1;
  --accent-primary-glow: rgba(2, 132, 199, 0.12);

  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 12px 32px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 24px 64px rgba(15, 23, 42, 0.12);
  --shadow-browser: 0 20px 48px -12px rgba(15, 23, 42, 0.14), 0 0 0 1px rgba(15, 23, 42, 0.08);
}

/* ==========================================================================
   Base Reset
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-smooth), color var(--transition-smooth);
}

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

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

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

/* ==========================================================================
   Atmospheric Visual Identity (Subtle, Clean)
   ========================================================================== */
.ambient-background {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.ambient-dot-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--border-medium) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 20%, #000 60%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 20%, #000 60%, transparent 100%);
  opacity: 0.5;
}

.ambient-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--border-subtle) 1px, transparent 1px),
    linear-gradient(to bottom, var(--border-subtle) 1px, transparent 1px);
  background-size: 128px 128px;
  mask-image: radial-gradient(ellipse 80% 50% at 50% 15%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 50% at 50% 15%, #000 40%, transparent 100%);
  opacity: 0.35;
}

.ambient-top-glow {
  position: absolute;
  top: -160px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 480px;
  background: radial-gradient(50% 50% at 50% 50%, rgba(56, 189, 248, 0.08) 0%, rgba(2, 132, 199, 0.03) 60%, transparent 100%);
  filter: blur(90px);
  opacity: 0.9;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: var(--bg-glass-nav);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color var(--transition-smooth), border-color var(--transition-smooth);
}

.site-header.scrolled {
  border-bottom-color: var(--border-medium);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--text-primary);
  text-decoration: none;
}

.brand-logo-svg {
  height: 26px;
  width: auto;
}

.brand-studio-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  padding: 0.18rem 0.45rem;
  border-radius: var(--radius-sm);
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent-primary);
  border: 1px solid rgba(56, 189, 248, 0.25);
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 0.5rem;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0.85rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-primary);
  background-color: var(--border-subtle);
}

/* Product Dropdown */
.product-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  width: 280px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 0.5rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.nav-item:hover .product-dropdown,
.nav-item:focus-within .product-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(2px);
}

.dropdown-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.dropdown-item:hover {
  background: var(--border-subtle);
}

.dropdown-info {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.dropdown-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.dropdown-tag {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.dropdown-badge {
  font-size: 0.65rem;
  padding: 0.15rem 0.4rem;
}

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

.theme-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
}

.theme-toggle-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-medium);
  background-color: var(--border-subtle);
}

[data-theme="dark"] .sun-icon { display: block; }
[data-theme="dark"] .moon-icon { display: none; }
[data-theme="light"] .sun-icon { display: none; }
[data-theme="light"] .moon-icon { display: block; }

.btn-nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.9rem;
  font-size: 0.82rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  background: var(--border-subtle);
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.btn-nav-cta:hover {
  background: var(--border-medium);
  border-color: var(--border-active);
}

.mobile-menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

/* ==========================================================================
   Buttons & Status Badges
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: var(--text-primary);
  color: var(--text-inverse);
  border: 1px solid transparent;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-active);
  transform: translateY(-1px);
}

.btn-product-link {
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
  padding: 0.7rem 1.25rem;
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
}

.btn-product-link:hover {
  background: var(--product-accent);
  color: #FFFFFF;
  border-color: var(--product-accent);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px var(--product-glow);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.status-live {
  background: rgba(34, 197, 94, 0.12);
  color: #4ADE80;
  border: 1px solid rgba(34, 197, 94, 0.3);
}
.status-live .status-dot { background: #22C55E; box-shadow: 0 0 8px #22C55E; }

.status-pilot {
  background: rgba(14, 165, 233, 0.12);
  color: #38BDF8;
  border: 1px solid rgba(14, 165, 233, 0.3);
}
.status-pilot .status-dot { background: #0EA5E9; }

.status-dev {
  background: rgba(16, 185, 129, 0.12);
  color: #34D399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}
.status-dev .status-dot { background: #10B981; }

.status-soon {
  background: rgba(139, 92, 246, 0.12);
  color: #A78BFA;
  border: 1px solid rgba(139, 92, 246, 0.3);
}
.status-soon .status-dot { background: #8B5CF6; }

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding: 6.5rem 0 5rem 0;
  position: relative;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
}

.hero-eyebrow {
  margin-bottom: 1.5rem;
}

.eyebrow-pill {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--accent-primary);
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.2);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  display: inline-block;
}

.hero-title {
  font-size: clamp(2.35rem, 5.2vw, 4.1rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: 1.4rem;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.55;
  color: var(--text-secondary);
  max-width: 660px;
  margin: 0 auto 2.25rem auto;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 4rem;
}

/* Subtle Technical Strip */
.hero-meta-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
}

.meta-strip-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.coord-label {
  color: var(--text-muted);
  font-weight: 500;
}

.coord-value {
  color: var(--text-secondary);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.meta-strip-divider {
  width: 1px;
  height: 12px;
  background: var(--border-medium);
}

/* ==========================================================================
   Section Headers (Consistent Typography)
   ========================================================================== */
.section-header {
  margin-bottom: 3.5rem;
}

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--accent-primary);
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

.section-title {
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 0.6rem;
}

.section-lead {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.5;
}

/* ==========================================================================
   Product Showcase (Primary Section)
   ========================================================================== */
.products-section {
  padding: 4rem 0 6rem 0;
}

.product-showcase-stack {
  display: flex;
  flex-direction: column;
  gap: 3.5rem;
}

.product-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition-smooth), transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--product-accent), transparent);
  opacity: 0.3;
  transition: opacity var(--transition-smooth);
}

.product-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-2px);
  box-shadow: 0 20px 48px -12px rgba(0, 0, 0, 0.4);
}

.product-card:hover::before {
  opacity: 0.8;
}

.product-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: center;
}

.product-card.card-reverse .product-grid {
  grid-template-columns: 1.2fr 1fr;
}

.product-card.card-reverse .product-info-col {
  order: 2;
}

.product-card.card-reverse .product-visual-col {
  order: 1;
}

.product-info-col {
  display: flex;
  flex-direction: column;
}

.product-meta-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.product-category {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.product-name {
  font-size: 2.1rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin-bottom: 0.6rem;
}

.product-punchline {
  font-size: 1.12rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-primary);
  margin-bottom: 0.85rem;
}

.product-description {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1.75rem;
}

.tag-item {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.product-cta-wrap {
  margin-top: auto;
}

/* Browser Frame & Screenshots */
.browser-frame {
  background: #09131C;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
  box-shadow: var(--shadow-browser);
  transition: transform var(--transition-smooth);
}

[data-theme="light"] .browser-frame {
  background: #E2E8F0;
  border-color: rgba(15, 23, 42, 0.12);
}

.browser-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.6rem 0.9rem;
  background: rgba(0, 0, 0, 0.35);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

[data-theme="light"] .browser-bar {
  background: rgba(255, 255, 255, 0.6);
  border-bottom-color: rgba(15, 23, 42, 0.08);
}

.window-controls {
  display: flex;
  align-items: center;
  gap: 5px;
}

.ctrl-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
}

.browser-address {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-secondary);
}

[data-theme="light"] .browser-address {
  background: rgba(255, 255, 255, 0.8);
  border-color: rgba(15, 23, 42, 0.08);
  color: var(--text-secondary);
}

.browser-content {
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #070B10;
}

.browser-content img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top left;
  transition: transform 0.4s ease;
}

.product-card:hover .browser-content img {
  transform: scale(1.015);
}

/* ==========================================================================
   Focus Areas Section
   ========================================================================== */
.focus-section {
  padding: 5rem 0;
  border-top: 1px solid var(--border-subtle);
}

.focus-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.focus-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

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

.focus-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.2);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.focus-card-title {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--text-primary);
  margin-bottom: 0.6rem;
}

.focus-card-desc {
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--text-secondary);
}

/* ==========================================================================
   Principles Section
   ========================================================================== */
.principles-section {
  padding: 5rem 0;
  border-top: 1px solid var(--border-subtle);
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.principle-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.2rem 1.8rem;
  position: relative;
  display: flex;
  flex-direction: column;
}

.principle-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 0.4rem;
}

.principle-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.2rem;
}

.principle-title {
  font-size: 1.18rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.principle-desc {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about-section {
  padding: 5rem 0 4rem 0;
  border-top: 1px solid var(--border-subtle);
}

.about-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 3.5rem;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 3.5rem;
  align-items: flex-start;
}

.about-eyebrow {
  margin-bottom: 1.25rem;
}

.about-title {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--text-primary);
}

.about-body-col {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.about-lead {
  font-size: 1.15rem;
  font-weight: 500;
  line-height: 1.55;
  color: var(--text-primary);
}

.about-text {
  font-size: 0.98rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

/* ==========================================================================
   Resources & Discreet SEO Strip
   ========================================================================== */
.resources-strip {
  padding: 2rem 0;
  border-top: 1px solid var(--border-subtle);
}

.resources-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.resources-links {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.resources-links a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

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

.resources-links .sep {
  opacity: 0.4;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  padding: 4.5rem 0 2.5rem 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-brand-link {
  display: inline-block;
}

.footer-summary {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 320px;
}

.footer-heading {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.2rem;
}

.footer-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-nav-list a {
  font-size: 0.88rem;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: color var(--transition-fast);
}

.footer-nav-list a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.82rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .product-grid,
  .product-card.card-reverse .product-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .product-card.card-reverse .product-info-col {
    order: 1;
  }

  .product-card.card-reverse .product-visual-col {
    order: 2;
  }

  .focus-grid,
  .principles-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    width: 100%;
    background: var(--bg-surface-elevated);
    border-bottom: 1px solid var(--border-medium);
    flex-direction: column;
    padding: 1.25rem 1.5rem;
    gap: 0.75rem;
    box-shadow: var(--shadow-lg);
  }

  .nav-links.mobile-open {
    display: flex;
  }

  .product-dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    width: 100%;
    box-shadow: none;
    background: transparent;
    border: none;
    padding: 0.25rem 0 0.5rem 0.5rem;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .btn-nav-cta {
    display: none;
  }

  .hero-section {
    padding: 4rem 0 3rem 0;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
    gap: 0.75rem;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-meta-strip {
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.85rem 1.2rem;
    border-radius: var(--radius-md);
  }

  .meta-strip-divider {
    display: none;
  }

  .product-card {
    padding: 1.5rem;
    border-radius: var(--radius-lg);
  }

  .about-panel {
    padding: 1.75rem;
    border-radius: var(--radius-lg);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}