/* ==========================================================================
   eSIMOTP Design System & Global Styles
   ========================================================================== */

/* --- CSS Variables & Design Tokens --- */
:root {
  /* Brand Palette */
  --color-brand-primary: #1d4ed8;       /* Trust tech blue */
  --color-brand-primary-hover: #1e40af;
  --color-brand-primary-light: #eff6ff;
  --color-brand-accent: #0284c7;        /* Sky blue accent */
  --color-brand-accent-light: #f0f9ff;
  --color-brand-dark: #0f172a;          /* Deep slate navy */
  --color-brand-surface: #1e293b;

  /* Neutrals & Text */
  --color-text-main: #1e293b;           /* Slate 800 */
  --color-text-muted: #64748b;          /* Slate 500 */
  --color-text-light: #94a3b8;          /* Slate 400 */
  --color-text-inverse: #ffffff;

  /* Surfaces & Backgrounds */
  --color-bg-body: #ffffff;
  --color-bg-subtle: #f8fafc;           /* Slate 50 */
  --color-bg-card: #ffffff;
  --color-bg-card-hover: #fcfdfe;
  --color-bg-highlight: #f1f5f9;        /* Slate 100 */

  /* Borders & Dividers */
  --color-border: #e2e8f0;             /* Slate 200 */
  --color-border-hover: #cbd5e1;       /* Slate 300 */
  --color-border-subtle: #f1f5f9;

  /* Status & Notice Colors */
  --color-notice-bg: #fffbeb;           /* Amber 50 */
  --color-notice-border: #fef3c7;       /* Amber 100 */
  --color-notice-text: #92400e;         /* Amber 800 */
  --color-success: #16a34a;
  --color-success-bg: #f0fdf4;
  --color-error: #dc2626;
  --color-error-bg: #fef2f2;

  /* Typography Scale */
  --font-family-base: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  
  --font-size-xs: 0.75rem;    /* 12px */
  --font-size-sm: 0.875rem;   /* 14px */
  --font-size-base: 1rem;     /* 16px */
  --font-size-md: 1.125rem;   /* 18px */
  --font-size-lg: 1.25rem;    /* 20px */
  --font-size-xl: 1.5rem;     /* 24px */
  --font-size-2xl: 1.875rem;  /* 30px */
  --font-size-3xl: 2.25rem;   /* 36px */
  --font-size-4xl: 3rem;      /* 48px */

  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  --line-height-tight: 1.2;
  --line-height-snug: 1.375;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;

  /* Spacing Scale */
  --space-2xs: 0.25rem;  /* 4px */
  --space-xs: 0.5rem;    /* 8px */
  --space-sm: 0.75rem;   /* 12px */
  --space-md: 1rem;      /* 16px */
  --space-lg: 1.5rem;    /* 24px */
  --space-xl: 2rem;      /* 32px */
  --space-2xl: 3rem;     /* 48px */
  --space-3xl: 4rem;     /* 64px */
  --space-4xl: 6rem;     /* 96px */

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(15, 23, 42, 0.08), 0 1px 2px -1px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.04);

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 840px;
  --container-padding: 1.5rem;
  --header-height: 72px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-main);
  background-color: var(--color-bg-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

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

a {
  color: var(--color-brand-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-brand-primary);
  outline-offset: 2px;
}

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

h1 {
  font-size: clamp(2rem, 4vw + 1rem, var(--font-size-4xl));
  margin-bottom: var(--space-md);
  font-weight: var(--font-weight-extrabold);
}

h2 {
  font-size: clamp(1.5rem, 2.5vw + 0.5rem, var(--font-size-3xl));
  margin-bottom: var(--space-md);
}

h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-sm);
}

h4 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-xs);
}

p {
  margin-bottom: var(--space-md);
}

p:last-child {
  margin-bottom: 0;
}

.text-lead {
  font-size: var(--font-size-md);
  line-height: var(--line-height-normal);
  color: var(--color-text-muted);
}

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

.text-sm {
  font-size: var(--font-size-sm);
}

.text-xs {
  font-size: var(--font-size-xs);
}

.text-center {
  text-align: center;
}

/* --- Container & Layout Helpers --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.main-content {
  flex: 1 0 auto;
}

.section {
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
  position: relative;
}

.section-alt {
  background-color: var(--color-bg-subtle);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section-header {
  max-width: 680px;
  margin: 0 auto var(--space-2xl) auto;
  text-align: center;
}

.section-tag {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-brand-primary);
  background-color: var(--color-brand-primary-light);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-sm);
}

/* --- Header & Navigation --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  background-color: #ffffff;
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-fast);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-brand-dark);
  text-decoration: none;
  letter-spacing: -0.03em;
  user-select: none;
  white-space: nowrap;
}

.brand-logo svg {
  width: 28px;
  height: 28px;
  color: var(--color-brand-primary);
}

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

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-list {
  display: flex;
  align-items: center;
  list-style: none;
  gap: var(--space-lg);
}

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-muted);
  text-decoration: none;
  padding: var(--space-2xs) 0;
  position: relative;
  transition: color var(--transition-fast);
  cursor: pointer;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-brand-primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-brand-primary);
  border-radius: 2px;
}

/* Mobile Nav Toggle Button (In Header) */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.5rem;
  cursor: pointer;
  color: var(--color-text-main);
  transition: background-color var(--transition-fast);
}

.mobile-nav-toggle:hover {
  background-color: var(--color-bg-highlight);
}

.mobile-nav-toggle svg {
  width: 22px;
  height: 22px;
}

/* Mobile-only drawer elements strictly hidden on desktop */
.mobile-drawer-header,
.mobile-affiliate-actions {
  display: none !important;
}

.nav-backdrop {
  display: none;
}

/* --- Buttons & Action Links --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  padding: 0.75rem 1.35rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  line-height: 1;
}

.btn-primary {
  background-color: var(--color-brand-primary);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--color-brand-primary-hover);
  color: var(--color-text-inverse);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: var(--color-bg-body);
  color: var(--color-brand-dark);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  background-color: var(--color-bg-highlight);
  border-color: var(--color-border-hover);
  color: var(--color-brand-dark);
}

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

.btn-outline:hover {
  background-color: var(--color-brand-primary-light);
  color: var(--color-brand-primary-hover);
}

.btn-lg {
  padding: 0.9rem 1.75rem;
  font-size: var(--font-size-base);
}

.btn-sm {
  padding: 0.5rem 0.9rem;
  font-size: var(--font-size-xs);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

/* --- Ultra-Smooth Hero Click Particle Dots Animation --- */
.hero-particle-dot {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: 20;
  will-change: transform, opacity;
  transform: translate3d(-50%, -50%, 0);
  animation: heroParticleBurst 0.85s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  box-shadow: 0 0 6px currentColor;
}

@keyframes heroParticleBurst {
  0% {
    transform: translate3d(-50%, -50%, 0) scale(0.6);
    opacity: 1;
  }
  60% {
    opacity: 0.8;
  }
  100% {
    transform: translate3d(calc(-50% + var(--dx)), calc(-50% + var(--dy)), 0) scale(0.15);
    opacity: 0;
  }
}

.hero-wrapper {
  position: relative;
  overflow: hidden;
  cursor: default;
  background-color: #ffffff;
}

/* Subtle tech grid background with soft radial vignette */
.hero-grid-pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(to right, rgba(226, 232, 240, 0.7) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(226, 232, 240, 0.7) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 75% 65% at 50% 35%, #000000 40%, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse 75% 65% at 50% 35%, #000000 40%, transparent 85%);
  pointer-events: none;
  z-index: 1;
}

/* Decorative left and right telecom/connectivity wave lines */
.hero-lines-deco {
  position: absolute;
  top: 48%;
  transform: translateY(-50%);
  pointer-events: none;
  z-index: 1;
  opacity: 0.85;
  transition: opacity var(--transition-normal);
}

.hero-lines-left {
  left: 0;
  width: 320px;
  max-width: 25vw;
}

.hero-lines-right {
  right: 0;
  width: 320px;
  max-width: 25vw;
}

@media (max-width: 1024px) {
  .hero-lines-left,
  .hero-lines-right {
    opacity: 0.45;
    max-width: 18vw;
  }
}

@media (max-width: 768px) {
  .hero-lines-left,
  .hero-lines-right {
    display: none;
  }
}

.hero-section {
  padding-top: var(--space-4xl);
  padding-bottom: var(--space-3xl);
  background: radial-gradient(circle at 50% 0%, rgba(29, 78, 216, 0.06) 0%, rgba(255, 255, 255, 0) 70%);
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 820px;
  margin: 0 auto;
  position: relative;
  z-index: 3;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.35rem 0.9rem;
  background-color: var(--color-brand-primary-light);
  border: 1px solid #dbeafe;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-brand-primary);
  margin-bottom: var(--space-md);
}

.hero-title {
  letter-spacing: -0.03em;
  margin-bottom: var(--space-md);
}

.hero-lead {
  font-size: clamp(1.05rem, 1.2vw + 0.8rem, var(--font-size-lg));
  color: var(--color-text-muted);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-lg);
}

/* --- Disclosure Banner (Site-wide) --- */
.disclosure-callout {
  background-color: var(--color-notice-bg);
  border: 1px solid var(--color-notice-border);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  font-size: var(--font-size-sm);
  color: var(--color-notice-text);
  line-height: var(--line-height-normal);
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.disclosure-callout svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
}

.disclosure-callout a {
  color: var(--color-notice-text);
  text-decoration: underline;
  font-weight: var(--font-weight-semibold);
}

/* --- Cards & Grid Layouts --- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: var(--space-xl);
}

.card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

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

.card-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--color-brand-primary-light);
  color: var(--color-brand-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
}

.card-icon-wrap svg {
  width: 24px;
  height: 24px;
}

.card-title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-xs);
}

.card-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: var(--line-height-normal);
  flex-grow: 1;
  margin-bottom: var(--space-md);
}

.card-link {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  color: var(--color-brand-primary);
}

.card-link:hover {
  gap: var(--space-xs);
}

/* --- Affiliated Services Feature Cards --- */
.service-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-xs);
  transition: all var(--transition-normal);
}

.service-card:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-brand-primary), var(--color-brand-accent));
}

.service-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-md);
}

.service-badge {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  background-color: var(--color-bg-highlight);
  color: var(--color-text-muted);
}

.service-meta-affiliate {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  font-size: var(--font-size-xs);
  color: var(--color-notice-text);
  font-weight: var(--font-weight-medium);
  background-color: var(--color-notice-bg);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-sm);
}

.feature-checklist {
  list-style: none;
  margin-bottom: var(--space-lg);
}

.feature-checklist li {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-xs);
}

.feature-checklist li svg {
  width: 16px;
  height: 16px;
  color: var(--color-brand-primary);
  flex-shrink: 0;
}

.service-action-wrap {
  margin-top: auto;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* --- Content / Editorial Layouts --- */
.prose {
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-main);
}

.prose h2 {
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--color-border);
}

.prose h3 {
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
}

.prose p {
  margin-bottom: var(--space-md);
  color: #334155;
}

.prose ul, .prose ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-xl);
}

.prose li {
  margin-bottom: var(--space-xs);
  color: #334155;
}

.prose blockquote {
  border-left: 4px solid var(--color-brand-primary);
  padding: var(--space-sm) var(--space-md);
  background-color: var(--color-bg-subtle);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-bottom: var(--space-md);
  font-style: italic;
  color: var(--color-text-muted);
}

.page-header {
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-2xl);
  background-color: var(--color-bg-subtle);
  border-bottom: 1px solid var(--color-border);
}

.page-header-content {
  max-width: 760px;
}

.meta-timestamp {
  display: inline-block;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

/* --- FAQ Accordion --- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-bg-card);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.active {
  border-color: var(--color-brand-primary);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  font-family: inherit;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-brand-dark);
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  gap: var(--space-md);
}

.faq-question:hover {
  color: var(--color-brand-primary);
}

.faq-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-text-muted);
  transition: transform var(--transition-normal);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: var(--color-brand-primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out, padding 0.3s ease;
  padding: 0 var(--space-lg);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

.faq-item.active .faq-answer {
  max-height: 400px;
  padding-bottom: var(--space-lg);
}

/* --- Clean Contact Box Styles --- */
.contact-hub-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl) var(--space-2xl);
  text-align: center;
  box-shadow: var(--shadow-sm);
  max-width: 680px;
  margin: 0 auto;
}

.email-pill-container {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-full);
  margin: var(--space-lg) 0;
}

.email-address-text {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-brand-primary);
  font-family: var(--font-family-mono);
}

.btn-copy-email {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 0.35rem 0.85rem;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-brand-dark);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all var(--transition-fast);
}

.btn-copy-email:hover {
  background-color: var(--color-bg-highlight);
  border-color: var(--color-border-hover);
}

/* --- Comparison Matrix Table --- */
.comparison-table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background-color: var(--color-bg-card);
  box-shadow: var(--shadow-xs);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: var(--font-size-sm);
}

.comparison-table th,
.comparison-table td {
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.comparison-table th {
  background-color: var(--color-bg-subtle);
  color: var(--color-brand-dark);
  font-weight: var(--font-weight-semibold);
  white-space: nowrap;
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.comparison-table tr:hover td {
  background-color: var(--color-bg-subtle);
}

/* --- Breadcrumbs --- */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

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

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

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

/* --- Footer --- */
.site-footer {
  background-color: var(--color-brand-dark);
  color: #94a3b8;
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-xl);
  border-top: 1px solid #1e293b;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-brand .brand-logo {
  color: #ffffff;
  margin-bottom: var(--space-sm);
}

.footer-brand p {
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  color: #94a3b8;
}

.footer-title {
  color: #ffffff;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.footer-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer-nav-list a {
  color: #94a3b8;
  font-size: var(--font-size-sm);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-nav-list a:hover {
  color: #ffffff;
}

.footer-disclosure {
  background-color: #1e293b;
  border-left: 3px solid #38bdf8;
  border-radius: var(--radius-sm);
  padding: var(--space-md) var(--space-lg);
  font-size: var(--font-size-xs);
  color: #cbd5e1;
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-xl);
}

.footer-disclosure strong {
  color: #ffffff;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-lg);
  border-top: 1px solid #1e293b;
  font-size: var(--font-size-xs);
  color: #64748b;
  gap: var(--space-md);
}

/* --- Responsive Media Queries (Mobile Drawer 70% Right to Left) --- */
@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }
}

@media (max-width: 768px) {
  .mobile-nav-toggle {
    display: block;
  }

  /* Header stays elevated on mobile */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 10000 !important;
  }

  /* Flat Dim Backdrop on Mobile at z-index 9998 */
  .nav-backdrop {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(15, 23, 42, 0.6);
    z-index: 9998 !important;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
  }

  .nav-backdrop.active {
    opacity: 1;
    pointer-events: auto;
  }

  /* Slide-in Drawer Header on Mobile (Clean right-aligned close button) */
  .mobile-drawer-header {
    display: flex !important;
    align-items: center;
    justify-content: flex-end;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--color-border);
    width: 100%;
    background-color: #ffffff;
  }

  /* Hide Hero Badge on Mobile Devices */
  .hero-badge {
    display: none !important;
  }

  .mobile-nav-close {
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 0.4rem;
    cursor: pointer;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
  }

  .mobile-nav-close:hover {
    background-color: var(--color-bg-highlight);
    color: var(--color-brand-dark);
  }

  .mobile-nav-close svg {
    width: 20px;
    height: 20px;
  }

  /* Slide-in Drawer from Right Covering 70% of screen */
  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 70%;
    max-width: 320px;
    height: 100vh;
    background: #ffffff !important;
    background-color: #ffffff !important;
    opacity: 1 !important;
    padding: var(--space-lg) var(--space-md);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: var(--space-xs);
    box-shadow: -8px 0 35px rgba(0, 0, 0, 0.35);
    z-index: 10001 !important;
    pointer-events: auto !important;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .main-nav.open {
    transform: translateX(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    gap: var(--space-2xs);
    pointer-events: auto !important;
  }

  .nav-list li {
    width: 100%;
    pointer-events: auto !important;
  }

  .nav-link {
    font-size: var(--font-size-base);
    color: var(--color-brand-dark) !important;
    font-weight: var(--font-weight-semibold);
    width: 100%;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--color-border-subtle);
    display: block;
    pointer-events: auto !important;
  }

  .nav-link:hover,
  .nav-link.active {
    color: var(--color-brand-primary) !important;
  }

  /* Mobile Affiliate Action Buttons (Mobile Menu Only) */
  .mobile-affiliate-actions {
    display: flex !important;
    flex-direction: column;
    gap: 0.45rem;
    width: 100%;
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
  }

  .mobile-affiliate-title {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-muted);
    margin-bottom: 0.25rem;
  }

  .mobile-partner-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    padding: 0.6rem 0.85rem;
    border-radius: var(--radius-sm);
    color: var(--color-brand-primary);
    background-color: var(--color-bg-subtle);
    border: 1px solid var(--color-border);
    text-decoration: none;
    transition: all var(--transition-fast);
  }

  .mobile-partner-btn:hover {
    background-color: var(--color-brand-primary-light);
    border-color: var(--color-brand-primary);
    color: var(--color-brand-primary-hover);
  }

  .mobile-partner-btn svg {
    color: var(--color-text-muted);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

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

  .btn-group {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .contact-hub-card {
    padding: var(--space-xl) var(--space-md);
  }
}