/**
 * Kebit8KTV - Global Design System & Responsive Tokens
 * Strictly compliant with MASTER-BRANDED-WEBSITE-BLUEPRINT-V2.md
 */

/* ==========================================================================
   1. DESIGN TOKENS (:root)
   ========================================================================== */
:root {
  /* Color Palette - Obsidian Gold Archetype */
  --color-bg:               #0A0B0E;
  --color-bg-elevated:      #0F1117;
  --color-surface:          #141720;
  --color-surface-hover:    #1C212E;
  --color-surface-glass:    rgba(20, 23, 32, 0.75);
  --color-border:           rgba(255, 255, 255, 0.08);
  --color-border-hover:     rgba(255, 255, 255, 0.20);

  /* Primary Brand Gold & Flame Accents */
  --color-primary:          #FF9E40;
  --color-primary-hover:    #FFAE5C;
  --color-primary-soft:     rgba(255, 158, 64, 0.12);
  --color-accent-amber:     #FF7A18;
  --color-accent-gold:      #FFB800;
  --color-primary-rgb:      255, 158, 64;

  /* Typography & Contrast (WCAG 2.1 AA) */
  --color-text:             #F5F6F8;
  --color-text-secondary:   #B3B8C2;
  --color-text-muted:       #7A8190;

  /* Status Colors */
  --color-success:          #10B981;
  --color-warning:          #F59E0B;
  --color-error:            #EF4444;
  --color-focus:            #38BDF8;
  --color-whatsapp:         #25D366;
  --color-whatsapp-hover:   #22BF5B;

  /* Typography Stacks */
  --font-primary:           'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-fallback:          -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Fluid Responsive Typography */
  --text-xs:                0.75rem;              /* 12px */
  --text-sm:                0.875rem;             /* 14px */
  --text-base:              1.00rem;              /* 16px */
  --text-lg:                1.125rem;             /* 18px */
  --text-xl:                1.25rem;              /* 20px */
  --text-2xl:               clamp(1.25rem, 2vw + 0.5rem, 1.50rem);
  --text-3xl:               clamp(1.50rem, 2.5vw + 0.5rem, 2.00rem);
  --text-4xl:               clamp(1.85rem, 3.5vw + 0.5rem, 2.65rem);
  --text-hero:              clamp(2.25rem, 5vw + 1.0rem, 3.75rem);

  /* Weights & Line Heights */
  --weight-regular:         400;
  --weight-medium:          500;
  --weight-semibold:        600;
  --weight-bold:            700;
  --weight-extrabold:       800;

  --leading-tight:          1.15;
  --leading-snug:           1.30;
  --leading-normal:         1.60;
  --leading-loose:          1.75;

  /* Spacing Scale */
  --space-1:                0.25rem;  /* 4px  */
  --space-2:                0.50rem;  /* 8px  */
  --space-3:                0.75rem;  /* 12px */
  --space-4:                1.00rem;  /* 16px */
  --space-5:                1.25rem;  /* 20px */
  --space-6:                1.50rem;  /* 24px */
  --space-8:                2.00rem;  /* 32px */
  --space-10:               2.50rem;  /* 40px */
  --space-12:               3.00rem;  /* 48px */
  --space-16:               4.00rem;  /* 64px */
  --space-20:               5.00rem;  /* 80px */
  --space-24:               6.00rem;  /* 96px */

  --section-padding-y:      clamp(3.5rem, 6vw, 6.0rem);

  /* Container & Layout */
  --container-max:          1240px;
  --gutter-desktop:         2.00rem;
  --gutter-tablet:          1.50rem;
  --gutter-mobile:          1.00rem;

  /* Border Radii */
  --radius-sm:              4px;
  --radius-md:              8px;
  --radius-lg:              12px;
  --radius-card:            16px;
  --radius-pill:            9999px;

  /* Shadows & Depth */
  --shadow-sm:              0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md:              0 4px 14px rgba(0, 0, 0, 0.4);
  --shadow-lg:              0 12px 32px rgba(0, 0, 0, 0.5);
  --shadow-accent:          0 8px 24px rgba(255, 158, 64, 0.25);
  --shadow-glow:            0 0 20px rgba(255, 158, 64, 0.35);

  /* Transitions */
  --transition-fast:        150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base:        250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth:      350ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   2. RESET & BASE STYLES
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-family: var(--font-primary);
  font-size: 16px;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: var(--leading-normal);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-weight: var(--weight-regular);
}

/* On mobile, reserve space for sticky action bar + home indicator */
@media (max-width: 768px) {
  body {
    padding-bottom: calc(76px + env(safe-area-inset-bottom, 0px));
  }
}

input, select, textarea {
  font-size: 16px; /* Prevents iOS Safari auto-zoom on input focus */
}

body.nav-locked {
  overflow: hidden;
}

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

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

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

ul, ol {
  list-style: none;
}

/* Accessible focus styling */
:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

/* Skip to content link for accessibility */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  background: var(--color-primary);
  color: var(--color-bg);
  font-weight: var(--weight-bold);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  z-index: 9999;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-4);
}

/* ==========================================================================
   3. LAYOUT & CONTAINERS
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--gutter-desktop);
  padding-right: var(--gutter-desktop);
}

@media (max-width: 1024px) {
  .container {
    padding-left: var(--gutter-tablet);
    padding-right: var(--gutter-tablet);
  }
}

@media (max-width: 640px) {
  .container {
    padding-left: var(--gutter-mobile);
    padding-right: var(--gutter-mobile);
  }
}

.section {
  padding-top: var(--section-padding-y);
  padding-bottom: var(--section-padding-y);
  position: relative;
}

.section--elevated {
  background-color: var(--color-bg-elevated);
}

.section--surface {
  background-color: var(--color-surface);
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto var(--space-12);
}

.section-header--left {
  text-align: left;
  margin-left: 0;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-3);
  border: 1px solid rgba(255, 158, 64, 0.25);
}

.section-title {
  font-size: var(--text-4xl);
  font-weight: var(--weight-extrabold);
  line-height: var(--leading-tight);
  color: var(--color-text);
  margin-bottom: var(--space-4);
  letter-spacing: -0.5px;
}

.section-description {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
}

/* ==========================================================================
   4. BUTTONS & INTERACTIVE ELEMENTS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-lg);
  min-height: 48px;
  min-width: 48px;
  transition: all var(--transition-base);
  cursor: pointer;
  text-align: center;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-amber));
  color: #0A0B0E;
  box-shadow: var(--shadow-accent);
}

.btn--primary:hover {
  background: linear-gradient(135deg, var(--color-primary-hover), var(--color-primary));
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
  color: #0A0B0E;
}

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

.btn--secondary:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-border-hover);
  color: var(--color-text);
  transform: translateY(-2px);
}

.btn--whatsapp {
  background: var(--color-whatsapp);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.25);
}

.btn--whatsapp:hover {
  background: var(--color-whatsapp-hover);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
  transform: translateY(-2px);
  color: #FFFFFF;
}

.btn--ghost {
  background: transparent;
  color: var(--color-primary);
  padding: var(--space-2) var(--space-3);
}

.btn--ghost:hover {
  color: var(--color-primary-hover);
  background: var(--color-primary-soft);
}

.btn--block {
  width: 100%;
}

.btn--lg {
  padding: 0.90rem 2.0rem;
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  border-radius: var(--radius-lg);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge--accent {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-amber));
  color: #0A0B0E;
}

.badge--outline {
  border: 1px solid var(--color-border-hover);
  color: var(--color-text-secondary);
  background: rgba(255, 255, 255, 0.04);
}

.badge--live {
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

/* ==========================================================================
   5. HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 11, 14, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  height: 72px;
  display: flex;
  align-items: center;
}

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

.brand-link {
  display: flex;
  align-items: center;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav-toggle {
  display: none;
  min-width: 44px;
  min-height: 44px;
  padding: var(--space-2);
  color: var(--color-text);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  align-items: center;
  justify-content: center;
}

/* Mobile Nav Drawer */
.nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 101;
}

.nav-drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100vh;
  background: var(--color-bg-elevated);
  border-left: 1px solid var(--color-border);
  z-index: 102;
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: right var(--transition-base);
  box-shadow: var(--shadow-lg);
}

.nav-drawer.is-open {
  right: 0;
}

.nav-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.nav-drawer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.nav-drawer-link {
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--color-text);
  min-height: 44px;
  display: flex;
  align-items: center;
  padding: var(--space-1) 0;
}

.nav-drawer-link:hover {
  color: var(--color-primary);
}

@media (max-width: 900px) {
  .nav-menu {
    display: none;
  }
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  .nav-backdrop.is-active {
    display: block;
  }
}

/* ==========================================================================
   6. HERO SECTION (Split & Centered Compositions)
   ========================================================================== */
.hero {
  padding-top: clamp(2.5rem, 5vw, 4.5rem);
  padding-bottom: clamp(3rem, 6vw, 5.5rem);
  position: relative;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 350px;
  background: radial-gradient(circle, rgba(255, 158, 64, 0.15) 0%, rgba(10, 11, 14, 0) 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: var(--space-10);
  position: relative;
  z-index: 1;
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-8);
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-meta-badges {
    justify-content: center;
  }
}

.hero-h1 {
  font-size: var(--text-hero);
  font-weight: var(--weight-extrabold);
  line-height: var(--leading-tight);
  color: var(--color-text);
  margin-bottom: var(--space-5);
  letter-spacing: -1px;
}

.hero-h1 span.accent {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-amber));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
  margin-bottom: var(--space-6);
  max-width: 620px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.hero-meta-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.hero-meta-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.hero-visual-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-6);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.hero-visual-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-card);
  border: 1px solid rgba(255, 158, 64, 0.2);
  pointer-events: none;
}

.hero-preview-screen {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
}

.preview-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.preview-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-border-hover);
}

.preview-dot--red { background: #EF4444; }
.preview-dot--yellow { background: #F59E0B; }
.preview-dot--green { background: #10B981; }

.preview-stream-box {
  background: linear-gradient(145deg, #141720, #0F1117);
  border-radius: var(--radius-md);
  padding: var(--space-8) var(--space-4);
  text-align: center;
  border: 1px dashed var(--color-border-hover);
}

.preview-stream-logo {
  margin: 0 auto var(--space-3);
}

/* ==========================================================================
   7. ANSWER BOX (GEO & AI Search Citability Standard)
   ========================================================================== */
.answer-box {
  background: var(--color-surface);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: var(--space-5) var(--space-6);
  margin: var(--space-6) 0 var(--space-10);
  border-top: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.answer-box-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-2);
}

.answer-box-text {
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: var(--leading-normal);
}

/* ==========================================================================
   8. PRICING SECTION & CARDS
   ========================================================================== */
.pricing-tabs-wrapper {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-10);
}

.pricing-tabs {
  display: inline-flex;
  background: var(--color-surface);
  padding: var(--space-1);
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
}

.pricing-tab {
  padding: 0.60rem 1.50rem;
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.pricing-tab.active {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-amber));
  color: #0A0B0E;
  box-shadow: var(--shadow-sm);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
  align-items: stretch;
}

.pricing-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-8) var(--space-6);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-base);
  position: relative;
}

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

.pricing-card--featured {
  background: linear-gradient(180deg, #1C212E 0%, var(--color-surface) 100%);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-accent);
}

.pricing-badge-wrapper {
  min-height: 28px;
  margin-bottom: var(--space-3);
}

.pricing-title {
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.pricing-screens {
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-4);
}

.pricing-amount {
  display: flex;
  align-items: baseline;
  gap: var(--space-1);
  margin-bottom: var(--space-1);
}

.currency-symbol {
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
}

.price-value {
  font-size: clamp(2.5rem, 4vw, 3.25rem);
  font-weight: var(--weight-extrabold);
  line-height: 1;
  color: var(--color-text);
  letter-spacing: -1px;
}

.pricing-period {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.pricing-features-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  flex-grow: 1;
}

.pricing-feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.4;
}

.feature-icon {
  color: var(--color-success);
  flex-shrink: 0;
  margin-top: 2px;
}

.pricing-card-footer {
  margin-top: auto;
}

.pricing-footnote {
  text-align: center;
  margin-top: var(--space-8);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.pricing-group {
  margin-bottom: var(--space-12);
}

.pricing-group-header {
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.pricing-group-title {
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.pricing-group-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* ==========================================================================
   9. FEATURE & DIAGNOSTIC GRIDS
   ========================================================================== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-6);
  transition: all var(--transition-base);
}

.feature-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
  background: var(--color-surface-hover);
}

.feature-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  border: 1px solid rgba(255, 158, 64, 0.2);
}

.feature-card-title {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.feature-card-text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
}

/* Hardware Device Setup Grid */
.device-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-5);
}

.device-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-6);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: all var(--transition-base);
}

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

.device-icon-box {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  color: var(--color-primary);
}

.device-card-title {
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.device-card-subtitle {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

/* ==========================================================================
   10. STEP-BY-STEP INSTALLATION & TROUBLESHOOTING
   ========================================================================== */
.step-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  max-width: 860px;
  margin: 0 auto;
}

.step-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-6);
  display: flex;
  gap: var(--space-5);
  align-items: flex-start;
}

.step-number {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-amber));
  color: #0A0B0E;
  font-size: var(--text-lg);
  font-weight: var(--weight-extrabold);
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-content {
  flex-grow: 1;
}

.step-title {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.step-text {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
  margin-bottom: var(--space-3);
}

.step-tip {
  background: var(--color-bg);
  border-left: 3px solid var(--color-success);
  padding: var(--space-3) var(--space-4);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* ==========================================================================
   11. FAQ ACCORDION
   ========================================================================== */
.faq-container {
  max-width: 840px;
  margin: 0 auto;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

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

.faq-item:hover {
  border-color: var(--color-border-hover);
}

.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  text-align: left;
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
}

.faq-icon {
  flex-shrink: 0;
  transition: transform var(--transition-base);
  color: var(--color-primary);
}

.faq-trigger[aria-expanded="true"] .faq-icon {
  transform: rotate(180deg);
}

.faq-content {
  display: none;
  padding: 0 var(--space-6) var(--space-6);
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-loose);
  border-top: 1px solid transparent;
}

.faq-content.is-open {
  display: block;
}

/* ==========================================================================
   12. EDITORIAL BLOG & ARTICLES
   ========================================================================== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-8);
}

.article-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
}

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

.article-body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.article-title {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-text);
  line-height: var(--leading-snug);
  margin-bottom: var(--space-3);
}

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

.article-excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
  margin-bottom: var(--space-6);
  flex-grow: 1;
}

/* Longform Article Template */
.article-header {
  max-width: 820px;
  margin: 0 auto var(--space-10);
  text-align: center;
}

.article-h1 {
  font-size: var(--text-4xl);
  font-weight: var(--weight-extrabold);
  line-height: var(--leading-tight);
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.article-prose {
  max-width: 820px;
  margin: 0 auto;
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-loose);
}

.article-prose h2 {
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-text);
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
}

.article-prose h3 {
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
}

.article-prose p {
  margin-bottom: var(--space-5);
}

.article-prose ul, .article-prose ol {
  margin-bottom: var(--space-5);
  padding-left: var(--space-6);
}

.article-prose ul {
  list-style: disc;
}

.article-prose ol {
  list-style: decimal;
}

.article-prose li {
  margin-bottom: var(--space-2);
}

/* Tables in Articles */
.table-wrapper {
  overflow-x: auto;
  margin: var(--space-6) 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

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

.data-table th, .data-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.data-table th {
  background: var(--color-bg-elevated);
  color: var(--color-primary);
  font-weight: var(--weight-semibold);
}

.data-table tr:hover {
  background: var(--color-surface);
}

/* Breadcrumbs */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

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

/* ==========================================================================
   13. STICKY MOBILE ACTION BAR (CRO Standard)
   ========================================================================== */
.mobile-action-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  min-height: 64px;
  background: rgba(15, 17, 23, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--color-border);
  z-index: 99;
  padding: var(--space-2) var(--space-3) calc(var(--space-2) + env(safe-area-inset-bottom, 0px));
}

@media (max-width: 768px) {
  .mobile-action-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
  }
}

.mobile-action-btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 48px;
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  border-radius: var(--radius-md);
  text-align: center;
}

.mobile-action-btn--trial {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-amber));
  color: #0A0B0E;
}

.mobile-action-btn--support {
  background: var(--color-whatsapp);
  color: #FFFFFF;
}

/* ==========================================================================
   14. FOOTER
   ========================================================================== */
.site-footer {
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-16);
  padding-bottom: var(--space-10);
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-brand-col p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
  margin-top: var(--space-4);
  max-width: 320px;
}

.footer-col-title {
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-4);
  letter-spacing: 0.5px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-link {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-primary);
}

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.footer-legal-links {
  display: flex;
  gap: var(--space-4);
}

/* ==========================================================================
   15. OWNER MEDIA INTEGRATION STYLES
   ========================================================================== */
.hero-mockup-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  display: block;
}

.poster-scroll-track {
  display: flex;
  gap: var(--space-4);
  overflow-x: auto;
  padding: var(--space-2) 0 var(--space-6);
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.poster-scroll-track::-webkit-scrollbar {
  height: 6px;
}

.poster-scroll-track::-webkit-scrollbar-track {
  background: var(--color-bg);
  border-radius: var(--radius-pill);
}

.poster-scroll-track::-webkit-scrollbar-thumb {
  background: var(--color-border-hover);
  border-radius: var(--radius-pill);
}

.poster-card {
  flex: 0 0 160px;
  scroll-snap-align: start;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  transition: all var(--transition-base);
}

@media (min-width: 768px) {
  .poster-card {
    flex: 0 0 190px;
  }
}

.poster-card:hover {
  transform: translateY(-4px) scale(1.03);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.poster-card img {
  width: 100%;
  height: auto;
  aspect-ratio: 300 / 420;
  object-fit: cover;
  display: block;
}

.payment-banner-wrapper {
  text-align: center;
  margin-top: var(--space-8);
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.payment-banner-img {
  max-width: 100%;
  height: auto;
  margin: 0 auto;
}

.app-logos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: var(--space-4);
  align-items: center;
  justify-content: center;
  margin-top: var(--space-8);
}

.app-logo-badge {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-3);
  display: flex;
  align-items: center;
  justify-content: center;
  height: 90px;
  transition: all var(--transition-base);
}

.app-logo-badge:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  background: var(--color-surface-hover);
}

.app-logo-badge img {
  max-height: 52px;
  max-width: 100%;
  width: auto;
  object-fit: contain;
}

.setup-platform-img {
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin: 0 auto var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-bg-elevated);
  padding: var(--space-2);
}

/* ==========================================================================
   16. COMPREHENSIVE MOBILE VIEWPORT & TOUCH OPTIMIZATIONS
   ========================================================================== */
@media (max-width: 640px) {
  .feature-grid,
  .pricing-grid,
  .blog-grid {
    grid-template-columns: 1fr;
  }

  .pricing-card {
    padding: var(--space-6) var(--space-4);
  }

  .pricing-group-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .step-card {
    padding: var(--space-4);
    gap: var(--space-3);
  }

  .step-number {
    width: 36px;
    height: 36px;
    font-size: var(--text-base);
  }

  .device-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
  }

  .device-card {
    padding: var(--space-4) var(--space-2);
  }

  .table-wrapper {
    margin-left: calc(-1 * var(--gutter-mobile));
    margin-right: calc(-1 * var(--gutter-mobile));
    border-radius: 0;
    border-left: none;
    border-right: none;
  }
}

@media (max-width: 380px) {
  .device-grid {
    grid-template-columns: 1fr;
  }

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