/* =========================================
   TradeBooks Website - Shared Styles
   ========================================= */

/* =========================================
   CSS Variables
   ========================================= */
:root {
  /* Brand Colors — Deep Space Theme (Deep Teal + Bright Cyan) */
  --primary: #0E7490;
  --primary-dark: #0A5C73;
  --primary-light: #38BDF8;
  --secondary: #38BDF8;
  --accent: #38BDF8;

  /* Dark Theme Base — Deep Space */
  --dark: #020617;
  --dark-secondary: #0A1628;
  --dark-tertiary: #111B2E;

  /* Text Colors — Cool Slate */
  --text: #0F172A;
  --text-secondary: #475569;
  --text-light: #64748B;
  --text-inverse: #FFFFFF;

  /* Background Colors — Cool Off-White */
  --background: #FFFFFF;
  --background-alt: #F8FAFC;
  --background-subtle: #F1F5F9;
  --gradient-start: #F8FAFC;
  --gradient-end: #FFFFFF;

  /* UI Colors */
  --border: #E2E8F0;
  --border-light: #F1F5F9;
  --success: #10B981;
  --error: #EF4444;
  --warning: #F59E0B;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -1px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -2px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 10px 10px -5px rgba(15, 23, 42, 0.03);
  --shadow-xl: 0 25px 50px -12px rgba(15, 23, 42, 0.2);

  /* Border Radius */
  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition: 300ms ease;
  --transition-slow: 500ms ease;

  /* Typography — Inter (matches app) */
  --font-sans: 'Inter', 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', monospace;

  /* Nav background */
  --nav-bg: rgba(255, 255, 255, 0.95);
  --nav-border: var(--border);
}

/* =========================================
   Dark Mode Variables
   ========================================= */
[data-theme="dark"] {
  --primary: #38BDF8;
  --primary-dark: #0EA5E9;
  --primary-light: #7DD3FC;
  --secondary: #38BDF8;

  --text: #F1F5F9;
  --text-secondary: #94A3B8;
  --text-light: #64748B;
  --text-inverse: #020617;

  --background: #020617;
  --background-alt: #0A1628;
  --background-subtle: #111B2E;
  --gradient-start: #020617;
  --gradient-end: #0A1628;

  --border: #1E2D4A;
  --border-light: #152035;

  --nav-bg: rgba(2, 6, 23, 0.95);
  --nav-border: #1E2D4A;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.5);

  /* Glass / Frosted variables */
  --glass-bg: rgba(10, 22, 40, 0.6);
  --glass-bg-hover: rgba(10, 22, 40, 0.75);
  --glass-border: rgba(56, 189, 248, 0.12);
  --glass-border-hover: rgba(56, 189, 248, 0.25);
  --glass-blur: 12px;
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --glass-glow: 0 0 20px rgba(56, 189, 248, 0.08);
}

[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] h5,
[data-theme="dark"] h6 {
  color: #F9FAFB;
}

[data-theme="dark"] .nav {
  background: var(--nav-bg);
}

[data-theme="dark"] .nav.scrolled {
  border-bottom-color: var(--nav-border);
}

[data-theme="dark"] .nav-links a {
  color: var(--text);
}

[data-theme="dark"] .mobile-menu-btn span {
  background: var(--text);
}

[data-theme="dark"] .mobile-menu {
  background: var(--background);
}

[data-theme="dark"] .hero-card,
[data-theme="dark"] .floating-notification {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-color: var(--glass-border);
  box-shadow: var(--glass-shadow);
}

[data-theme="dark"] .hero-card-item {
  background: var(--background-subtle);
}

[data-theme="dark"] .hero-card-item-icon {
  background: var(--background);
}

[data-theme="dark"] .blueprint-chat {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

[data-theme="dark"] .blueprint-chat-header {
  border-bottom-color: var(--border);
}

[data-theme="dark"] .blueprint-message.user {
  background: var(--background-subtle);
}

[data-theme="dark"] .photo-payment-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

[data-theme="dark"] .photo-step {
  background: var(--background-subtle);
}

[data-theme="dark"] .feature-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-color: var(--glass-border);
  box-shadow: var(--glass-shadow);
}

[data-theme="dark"] .feature-card:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  box-shadow: var(--glass-shadow), var(--glass-glow);
}

[data-theme="dark"] .testimonial-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

[data-theme="dark"] .pricing-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-color: var(--glass-border);
  box-shadow: var(--glass-shadow);
}

[data-theme="dark"] .pricing-card:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  box-shadow: var(--glass-shadow), var(--glass-glow);
}

[data-theme="dark"] .pricing-card.featured {
  border-color: var(--glass-border-hover);
  box-shadow: var(--glass-shadow), 0 0 30px rgba(56, 189, 248, 0.12);
}

[data-theme="dark"] .pricing-price {
  color: var(--text);
}

[data-theme="dark"] .pricing-features li {
  border-bottom-color: var(--border);
}

[data-theme="dark"] .trust-section {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-color: var(--glass-border);
  box-shadow: var(--glass-shadow);
}

[data-theme="dark"] .faq-item {
  border-color: var(--glass-border);
}

[data-theme="dark"] .faq-question {
  color: var(--text);
}

[data-theme="dark"] .faq-question:hover {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
}

[data-theme="dark"] .contact-info-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

[data-theme="dark"] .contact-form {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-color: var(--glass-border);
  box-shadow: var(--glass-shadow);
}

[data-theme="dark"] .contact-form-container {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
}

[data-theme="dark"] .form-input,
[data-theme="dark"] .form-textarea,
[data-theme="dark"] .form-select {
  background: var(--background);
  border-color: var(--border);
  color: var(--text);
}

[data-theme="dark"] .legal-meta {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
}

[data-theme="dark"] .legal-content {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  padding: 48px;
}

/* About page glass cards */
[data-theme="dark"] .value-card,
[data-theme="dark"] .difference-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

[data-theme="dark"] .value-card:hover,
[data-theme="dark"] .difference-card:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  box-shadow: var(--glass-shadow), var(--glass-glow);
}

/* Contact page FAQ glass */
[data-theme="dark"] .contact-faq {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
}

/* Footer dark mode — footer always has a dark background,
   so text-inverse (which flips to dark navy) must be overridden */
[data-theme="dark"] .footer {
  color: #E2E8F0;
}

[data-theme="dark"] .footer-logo {
  color: #F9FAFB;
}

[data-theme="dark"] .footer-logo img {
  height: 72px;
  filter: none;
}

[data-theme="dark"] .footer-column h4 {
  color: #F9FAFB;
}

[data-theme="dark"] .footer-brand p {
  color: #94A3B8;
}

[data-theme="dark"] .footer-links a {
  color: #94A3B8;
}

[data-theme="dark"] .footer-links a:hover {
  color: #F9FAFB;
}

[data-theme="dark"] .footer-social svg {
  color: #F9FAFB;
}

[data-theme="dark"] .footer-bottom p {
  color: #94A3B8;
}

[data-theme="dark"] .footer-legal a {
  color: #94A3B8;
}

[data-theme="dark"] .footer-legal a:hover {
  color: #F9FAFB;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

input, button, textarea, select {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

/* =========================================
   Typography
   ========================================= */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--dark);
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(1.875rem, 4vw, 2.75rem);
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

h4 {
  font-size: 1.125rem;
}

p {
  color: var(--text-secondary);
}

.text-large {
  font-size: 1.25rem;
  line-height: 1.7;
}

.text-small {
  font-size: 0.875rem;
}

.text-muted {
  color: var(--text-light);
}

/* =========================================
   Layout
   ========================================= */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  max-width: 800px;
}

.container-wide {
  max-width: 1400px;
}

section {
  padding: 100px 0;
}

.section-sm {
  padding: 60px 0;
}

.section-lg {
  padding: 140px 0;
}

/* =========================================
   Navigation
   ========================================= */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}

.nav.scrolled {
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--primary);
  letter-spacing: -0.02em;
  transition: var(--transition-fast);
}

.nav-logo:hover {
  opacity: 0.9;
}

.nav-logo img {
  height: 52px;
  width: auto;
  filter: drop-shadow(0 2px 4px rgba(14, 116, 144, 0.2));
  transition: var(--transition-fast);
}

.nav-logo:hover img {
  transform: scale(1.05);
}

/* Theme Toggle Button */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--background-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition-fast);
  margin-left: 8px;
}

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

.theme-toggle svg {
  width: 20px;
  height: 20px;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.theme-toggle:hover svg {
  color: var(--primary);
}

.theme-toggle .sun-icon {
  display: none;
}

.theme-toggle .moon-icon {
  display: block;
}

[data-theme="dark"] .theme-toggle .sun-icon {
  display: block;
}

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

[data-theme="dark"] .theme-toggle {
  background: var(--background-alt);
  border-color: var(--border);
}

[data-theme="dark"] .theme-toggle:hover {
  background: var(--background-subtle);
  border-color: var(--primary);
}

/* Mobile Theme Toggle */
.theme-toggle-mobile {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 16px;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text);
  background: var(--background-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition-fast);
}

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

.theme-toggle-mobile .moon-icon {
  display: flex;
  align-items: center;
  gap: 8px;
}

.theme-toggle-mobile .sun-icon {
  display: none;
  align-items: center;
  gap: 8px;
}

[data-theme="dark"] .theme-toggle-mobile .moon-icon {
  display: none;
}

[data-theme="dark"] .theme-toggle-mobile .sun-icon {
  display: flex;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--text);
  transition: var(--transition-fast);
  position: relative;
}

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

.nav-links a.active {
  color: var(--primary);
}

.nav-cta,
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-btn span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: var(--transition-fast);
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--background);
  z-index: 999;
  padding: 24px;
  overflow-y: auto;
}

.mobile-menu.active {
  display: block;
  animation: fadeIn 0.2s ease;
}

.mobile-menu-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mobile-menu-links a {
  display: block;
  padding: 16px;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text);
  border-radius: var(--radius);
  transition: var(--transition-fast);
}

.mobile-menu-links a:hover {
  background: var(--background-alt);
  color: var(--primary);
}

/* =========================================
   Buttons
   ========================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--primary);
  color: var(--text-inverse);
  border-color: var(--primary);
}

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-secondary:hover {
  background: var(--primary);
  color: var(--text-inverse);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: transparent;
}

.btn-ghost:hover {
  background: var(--background-alt);
}

.btn-white {
  background: var(--background);
  color: var(--primary);
  border-color: var(--background);
}

.btn-white:hover {
  background: var(--background-alt);
  border-color: var(--background-alt);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1rem;
}

.btn-block {
  width: 100%;
}

/* =========================================
   Cards
   ========================================= */
.card {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
}

.card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.card-flat {
  box-shadow: none;
}

.card-flat:hover {
  transform: none;
}

/* =========================================
   Forms
   ========================================= */
.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--text);
  margin-bottom: 8px;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 14px 16px;
  font-size: 1rem;
  color: var(--text);
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(14, 116, 144, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-light);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

.form-hint {
  font-size: 0.8125rem;
  color: var(--text-light);
  margin-top: 6px;
}

.form-error {
  color: var(--error);
}

/* =========================================
   Section Headers
   ========================================= */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 60px;
}

.section-label {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 16px;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  font-size: 1.125rem;
}

/* =========================================
   Page Header
   ========================================= */
.page-header {
  padding: 140px 0 80px;
  background: linear-gradient(180deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
  text-align: center;
}

.page-header h1 {
  margin-bottom: 16px;
}

.page-header p {
  font-size: 1.25rem;
  max-width: 600px;
  margin: 0 auto;
}

/* =========================================
   Footer
   ========================================= */
.footer {
  background: var(--dark);
  color: var(--text-inverse);
  padding: 80px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 60px;
  margin-bottom: 60px;
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.375rem;
  color: var(--text-inverse);
  margin-bottom: 16px;
}

.footer-logo img {
  height: 36px;
  filter: brightness(0) invert(1);
}

.footer-brand p {
  color: var(--text-light);
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  background: var(--dark-secondary);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.footer-social a:hover {
  background: var(--primary);
}

.footer-social svg {
  width: 18px;
  height: 18px;
  color: var(--text-inverse);
}

.footer-column h4 {
  color: var(--text-inverse);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--text-light);
  font-size: 0.9375rem;
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--text-inverse);
}

.footer-bottom {
  padding-top: 40px;
  border-top: 1px solid var(--dark-secondary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-bottom p {
  color: var(--text-light);
  font-size: 0.875rem;
}

.footer-legal {
  display: flex;
  gap: 24px;
}

.footer-legal a {
  color: var(--text-light);
  font-size: 0.875rem;
}

.footer-legal a:hover {
  color: var(--text-inverse);
}

/* =========================================
   Utilities
   ========================================= */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-4 { margin-top: 16px; }
.mt-8 { margin-top: 32px; }
.mt-12 { margin-top: 48px; }
.mt-16 { margin-top: 64px; }

.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: 16px; }
.mb-8 { margin-bottom: 32px; }
.mb-12 { margin-bottom: 48px; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-4 { gap: 16px; }
.gap-8 { gap: 32px; }

.grid { display: grid; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.hidden { display: none; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* =========================================
   Animations
   ========================================= */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideDown {
  from { transform: translateY(-100%); }
  to { transform: translateY(0); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

.animate-fade-in {
  animation: fadeIn 0.5s ease forwards;
}

.animate-fade-in-up {
  animation: fadeInUp 0.5s ease forwards;
}

/* =========================================
   Responsive
   ========================================= */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  section {
    padding: 60px 0;
  }

  .nav-links {
    display: none;
  }

  .nav-cta .btn-secondary,
  .nav-actions .btn-ghost {
    display: none;
  }

  /* Hide desktop theme toggle on mobile, show in mobile menu instead */
  .nav-cta .theme-toggle,
  .nav-actions .theme-toggle {
    display: none;
  }

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

  /* Mobile logo adjustments */
  .nav-logo {
    font-size: 1.25rem;
    gap: 10px;
  }

  .nav-logo img {
    height: 40px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-brand {
    max-width: 100%;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .page-header {
    padding: 120px 0 60px;
  }
}

/* =========================================
   Legal Pages
   ========================================= */
.legal-content {
  padding: 80px 0;
}

.legal-content h2 {
  font-size: 1.5rem;
  margin-top: 48px;
  margin-bottom: 16px;
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content h3 {
  font-size: 1.125rem;
  margin-top: 32px;
  margin-bottom: 12px;
}

.legal-content p {
  margin-bottom: 16px;
  line-height: 1.8;
}

.legal-content ul,
.legal-content ol {
  margin-bottom: 16px;
  padding-left: 24px;
}

.legal-content li {
  margin-bottom: 8px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.legal-content ul li {
  list-style-type: disc;
}

.legal-content ol li {
  list-style-type: decimal;
}

.legal-content a {
  color: var(--primary);
  text-decoration: underline;
}

.legal-content a:hover {
  color: var(--primary-dark);
}

.legal-meta {
  padding: 20px 24px;
  background: var(--background-alt);
  border-radius: var(--radius);
  margin-bottom: 40px;
}

.legal-meta p {
  font-size: 0.875rem;
  margin-bottom: 0;
}

/* =========================================
   Contact Page
   ========================================= */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-info-card {
  display: flex;
  gap: 16px;
  padding: 24px;
  background: var(--background-alt);
  border-radius: var(--radius);
  margin-bottom: 16px;
}

.contact-info-card .icon {
  width: 48px;
  height: 48px;
  background: var(--primary);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info-card .icon svg {
  width: 24px;
  height: 24px;
  color: var(--text-inverse);
}

.contact-info-card h4 {
  margin-bottom: 4px;
}

.contact-info-card p {
  font-size: 0.9375rem;
  margin-bottom: 0;
}

.contact-info-card a {
  color: var(--primary);
}

.contact-form {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

/* =========================================
   About Page
   ========================================= */
.about-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.value-card {
  text-align: center;
  padding: 40px 24px;
}

.value-icon {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}

.value-icon svg {
  width: 36px;
  height: 36px;
  color: var(--text-inverse);
}

.value-card h3 {
  margin-bottom: 12px;
}

.value-card p {
  font-size: 0.9375rem;
}

@media (max-width: 768px) {
  .about-hero {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about-values {
    grid-template-columns: 1fr;
  }
}

/* =========================================
   CTA Section
   ========================================= */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  text-align: center;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

[data-theme="dark"] .cta-section::before {
  content: '';
  position: absolute;
  top: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
  z-index: 0;
}

.cta-section h2 {
  color: var(--text-inverse);
  margin-bottom: 16px;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.125rem;
  max-width: 560px;
  margin: 0 auto 32px;
}

.cta-subtext {
  margin-top: 24px !important;
  font-size: 0.875rem !important;
  color: rgba(255, 255, 255, 0.6) !important;
}