/* ============================================
   COMTURK DESIGN SYSTEM
   Clean, modern, AI-SEO-friendly marketing site
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Colors */
  --color-primary: #2563EB;
  --color-primary-dark: #1D4ED8;
  --color-primary-light: #3B82F6;
  --color-primary-50: #EFF6FF;
  --color-primary-100: #DBEAFE;
  --color-primary-200: #BFDBFE;

  --color-dark: #0F172A;
  --color-dark-700: #1E293B;
  --color-dark-600: #334155;
  --color-dark-500: #475569;

  --color-gray-50: #F8FAFC;
  --color-gray-100: #F1F5F9;
  --color-gray-200: #E2E8F0;
  --color-gray-300: #CBD5E1;
  --color-gray-400: #94A3B8;
  --color-gray-500: #64748B;

  --color-bg: #F5F6FA;
  --color-white: #FFFFFF;

  --color-success: #10B981;
  --color-success-50: #ECFDF5;
  --color-warning: #F59E0B;
  --color-error: #EF4444;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;

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

  --line-height-tight: 1.15;
  --line-height-snug: 1.3;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --max-width: 1200px;
  --max-width-narrow: 800px;
  --container-padding: var(--space-6);

  /* Borders */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 20px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.06), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.06), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(15, 23, 42, 0.15);
  --shadow-card: 0 1px 3px rgba(15, 23, 42, 0.04), 0 4px 12px rgba(15, 23, 42, 0.03);
  --shadow-card-hover: 0 8px 30px rgba(15, 23, 42, 0.1);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  --transition-spring: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-dark);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

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

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

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

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  line-height: var(--line-height-tight);
  font-weight: var(--font-weight-bold);
  color: var(--color-dark);
}

h1 {
  font-size: var(--font-size-5xl);
}

h2 {
  font-size: var(--font-size-4xl);
}

h3 {
  font-size: var(--font-size-2xl);
}

h4 {
  font-size: var(--font-size-xl);
}

p {
  color: var(--color-dark-500);
  line-height: var(--line-height-relaxed);
}

/* ---------- Layout ---------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.container-narrow {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--space-20) 0;
}

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

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

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

.section-dark h2,
.section-dark h3,
.section-dark p {
  color: var(--color-white);
}

.section-dark p {
  opacity: 0.85;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-16);
}

.section-header h2 {
  margin-bottom: var(--space-4);
}

.section-header p {
  font-size: var(--font-size-lg);
}

/* ---------- Grid Utilities ---------- */
.grid {
  display: grid;
  gap: var(--space-8);
}

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

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

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

.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

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

/* ---------- HEADER / NAV ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-gray-200);
  transition: box-shadow var(--transition-base);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-dark);
  text-decoration: none;
}

.nav-logo:hover {
  color: var(--color-dark);
}

.nav-logo-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-primary), #7C3AED);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: var(--font-weight-extrabold);
  font-size: var(--font-size-lg);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-links a {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  color: var(--color-dark-600);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-fast);
}

.nav-links a:hover {
  color: var(--color-primary);
  background: var(--color-primary-50);
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown-trigger {
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-dropdown-trigger svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-fast);
}

.nav-dropdown:hover .nav-dropdown-trigger svg {
  transform: rotate(180deg);
}

/* Hide mobile-only nav accordion on desktop */
.mobile-nav-dropdown {
  display: none;
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 220px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-gray-200);
  padding: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  overflow: hidden;
}

.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown-menu a {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  color: var(--color-dark-600);
  font-size: var(--font-size-sm);
}

.nav-dropdown-menu a:hover {
  background: var(--color-primary-50);
  color: var(--color-primary);
}

.lang-switcher {
  display: flex;
  gap: 4px;
  align-items: center;
}

.lang-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: var(--font-weight-bold);
  color: var(--color-dark-500);
  background: var(--color-gray-100);
  text-decoration: none;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.lang-btn:hover {
  background: var(--color-gray-200);
  color: var(--color-primary);
}

.lang-btn.active {
  background: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-primary-200);
  box-shadow: var(--shadow-sm);
}

/* Fix for dropdown alignment with new icons */
.nav-dropdown-menu a {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 10px 16px;
}

.nav-dropdown-menu strong {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-dark);
}

.nav-dropdown-menu small {
  display: block;
  font-size: 11px;
  margin-top: 1px;
}

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

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--space-2);
  background: none;
  border: none;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-dark);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all var(--transition-base);
  white-space: nowrap;
}

/* Tap/active feedback for mobile */
.btn:active {
  transform: scale(0.97);
  opacity: 0.9;
}

a.card:active {
  transform: scale(0.98);
  box-shadow: var(--shadow-card);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 1px 3px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

.btn-secondary {
  background: var(--color-white);
  color: var(--color-dark);
  border: 1px solid var(--color-gray-300);
}

.btn-secondary:hover {
  background: var(--color-gray-50);
  border-color: var(--color-gray-400);
  color: var(--color-dark);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--color-dark-600);
  padding: 10px 16px;
}

.btn-ghost:hover {
  background: var(--color-gray-100);
  color: var(--color-dark);
}

.btn-lg {
  padding: 16px 32px;
  font-size: var(--font-size-base);
  border-radius: var(--radius-lg);
}

.btn-sm {
  padding: 8px 16px;
  font-size: var(--font-size-xs);
}

.btn-icon {
  font-size: 1.1em;
}

/* ---------- CARDS ---------- */
.card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition-base);
}

/* Only show pointer cursor on cards that are actual links */
a.card {
  cursor: pointer;
}

.card:not(a) {
  cursor: default;
}

/* Card icons that are not inside links should not look clickable */
.card:not(a) .card-icon {
  cursor: default;
}

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

/* Static cards should not look interactive */
.card:not(a):hover {
  box-shadow: var(--shadow-card);
  transform: none;
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: var(--space-5);
}

.card-icon-blue {
  background: var(--color-primary-100);
  color: var(--color-primary);
}

.card-icon-green {
  background: var(--color-success-50);
  color: var(--color-success);
}

.card-icon-purple {
  background: #F3E8FF;
  color: #7C3AED;
}

.card-icon-amber {
  background: #FEF3C7;
  color: #D97706;
}

.card h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-3);
}

.card p {
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-5);
}

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

.card-link:hover {
  gap: var(--space-3);
}

/* ---------- HERO ---------- */
.hero {
  padding: calc(72px + var(--space-16)) 0 var(--space-16);
  background: linear-gradient(180deg, var(--color-white) 0%, var(--color-bg) 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-primary-50);
  border: 1px solid var(--color-primary-200);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  margin-bottom: var(--space-8);
}

.hero h1 {
  font-size: var(--font-size-6xl);
  font-weight: var(--font-weight-extrabold);
  line-height: var(--line-height-tight);
  max-width: 900px;
  margin: 0 auto var(--space-6);
  letter-spacing: -0.02em;
}

.hero h1 .gradient-text {
  background: linear-gradient(135deg, var(--color-primary) 0%, #7C3AED 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  max-width: 640px;
  margin: 0 auto var(--space-10);
  color: var(--color-dark-500);
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-16);
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-16);
  margin-top: var(--space-12);
}

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

.hero-stat-number {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-primary);
  display: block;
}

.hero-stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  margin-top: var(--space-1);
}

/* Concierge desk background illustration */
.hero-desk-bg {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -55%);
  width: 600px;
  max-width: 60%;
  height: auto;
  opacity: 0.10;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse 70% 60% at center, rgba(0,0,0,0.5) 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at center, rgba(0,0,0,0.5) 0%, transparent 70%);
}

@media (max-width: 768px) {
  .hero-desk-bg {
    opacity: 0.07;
    max-width: 80%;
  }
}

/* ---------- FEATURES / PRODUCTS ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-6);
}

/* ---------- HOW IT WORKS ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-10);
  counter-reset: step;
}

.step {
  text-align: center;
  position: relative;
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-white);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-6);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

.step h3 {
  margin-bottom: var(--space-3);
}

.step p {
  font-size: var(--font-size-sm);
  max-width: 300px;
  margin: 0 auto;
}

/* Connector line between steps */
.step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(50% + 40px);
  width: calc(100% - 80px);
  height: 2px;
  background: var(--color-gray-300);
  z-index: 0;
}

/* ---------- STATS BAR ---------- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  padding: var(--space-12) 0;
}

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

.stat-number {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

/* ---------- INTEGRATIONS ---------- */
.integrations-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-6);
}

.integration-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition-base);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.integration-card:hover {
  border-color: var(--color-primary-200);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.integration-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
}

.integration-card span {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-dark);
}

/* ---------- PRICING TABLE ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-5);
  align-items: start;
}

.pricing-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-6);
  border: 1.5px solid var(--color-gray-200);
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
}

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

.pricing-card.popular {
  border-color: var(--color-primary);
  box-shadow: 0 8px 30px rgba(37, 99, 235, 0.12);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: white;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  padding: 4px 16px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.pricing-tier {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-dark);
  margin-bottom: var(--space-4);
}

.pricing-price {
  margin-bottom: var(--space-6);
}

.pricing-amount {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-dark);
  line-height: 1;
}

.pricing-period {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

.pricing-features {
  text-align: left;
  margin-bottom: var(--space-8);
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  font-size: var(--font-size-sm);
  color: var(--color-dark-600);
  border-bottom: 1px solid var(--color-gray-100);
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-features .check {
  color: var(--color-success);
  font-weight: bold;
  flex-shrink: 0;
  margin-top: 2px;
}

.pricing-card .btn {
  width: 100%;
}

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 780px;
  margin: 0 auto;
}

.faq-item {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-3);
  border: 1px solid var(--color-gray-200);
  overflow: hidden;
  transition: box-shadow var(--transition-base);
}

.faq-item:hover {
  box-shadow: var(--shadow-md);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-5) var(--space-6);
  background: none;
  border: none;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-dark);
  cursor: pointer;
  text-align: left;
}

.faq-question svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--color-gray-400);
  transition: transform var(--transition-base);
}

.faq-item.active .faq-question svg {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer p {
  padding: 0 var(--space-6) var(--space-6);
  font-size: var(--font-size-sm);
  color: var(--color-dark-500);
  line-height: var(--line-height-relaxed);
}

/* ---------- CTA SECTION ---------- */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, #7C3AED 100%);
  border-radius: var(--radius-2xl);
  padding: var(--space-16) var(--space-12);
  text-align: center;
  color: white;
  margin: var(--space-20) auto;
  max-width: var(--max-width);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.cta-section h2 {
  color: white;
  margin-bottom: var(--space-4);
}

.cta-section p {
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--font-size-lg);
  max-width: 560px;
  margin: 0 auto var(--space-8);
}

.cta-section .btn-primary {
  background: white;
  color: var(--color-primary);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.cta-section .btn-primary:hover {
  background: var(--color-gray-50);
  color: var(--color-primary-dark);
}

.cta-section .btn-secondary {
  border-color: rgba(255, 255, 255, 0.4);
  color: white;
  background: transparent;
}

.cta-section .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.6);
  color: white;
}

/* ---------- FOOTER ---------- */
.site-footer {
  background: var(--color-dark);
  color: var(--color-gray-300);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(4, 1fr);
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

.footer-brand p {
  color: var(--color-gray-400);
  font-size: var(--font-size-sm);
  margin-top: var(--space-4);
  max-width: 280px;
  line-height: var(--line-height-relaxed);
}

.footer-brand .nav-logo {
  color: var(--color-white);
  margin-bottom: var(--space-2);
}

.footer-col h4 {
  color: var(--color-white);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-5);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-col a {
  color: var(--color-gray-400);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--color-white);
}

.footer-bottom {
  border-top: 1px solid var(--color-dark-700);
  padding-top: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-bottom p {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

.footer-legal {
  display: flex;
  gap: var(--space-6);
}

.footer-legal a {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

.footer-legal a:hover {
  color: var(--color-gray-300);
}

/* ---------- PAGE HEADER (for inner pages) ---------- */
.page-header {
  padding: calc(72px + var(--space-16)) 0 var(--space-12);
  background: linear-gradient(180deg, var(--color-white) 0%, var(--color-bg) 100%);
  text-align: center;
}

.page-header h1 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-4);
}

.page-header p {
  font-size: var(--font-size-lg);
  max-width: 640px;
  margin: 0 auto;
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  margin-bottom: var(--space-6);
}

.breadcrumb a {
  color: var(--color-gray-500);
}

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

/* ---------- CONTENT SECTION (for inner pages) ---------- */
.content-section {
  padding: var(--space-12) 0;
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.content-grid.reverse {
  direction: rtl;
}

.content-grid.reverse>* {
  direction: ltr;
}

.content-text h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-4);
}

.content-text p {
  margin-bottom: var(--space-6);
}

.content-text .feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.content-text .feature-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-dark-600);
}

.content-text .feature-list .feat-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  background: var(--color-success-50);
  color: var(--color-success);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  margin-top: 1px;
}

.content-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  background: var(--color-gray-100);
  aspect-ratio: 16/10;
  display: flex;
  align-items: center;
  justify-content: center;
}

.content-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- BLOG ---------- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.blog-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition-base);
  text-decoration: none;
}

.blog-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-3px);
}

.blog-card-image {
  aspect-ratio: 16/9;
  background: var(--color-gray-100);
  overflow: hidden;
}

.blog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.blog-card:hover .blog-card-image img {
  transform: scale(1.05);
}

.blog-card-body {
  padding: var(--space-6);
}

.blog-card-tag {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: var(--color-primary-50);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-3);
}

.blog-card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-2);
  color: var(--color-dark);
}

.blog-card p {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

/* ---------- ANIMATIONS ---------- */
/* Animations only apply when JS adds 'js-ready' class to html element */
html.js-ready .fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

html.js-ready .fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

html.js-ready .fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

html.js-ready .fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

html.js-ready .fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

html.js-ready .fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger children */
html.js-ready .stagger-children>* {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

html.js-ready .stagger-children.visible>*:nth-child(1) {
  transition-delay: 0ms;
  opacity: 1;
  transform: translateY(0);
}

html.js-ready .stagger-children.visible>*:nth-child(2) {
  transition-delay: 80ms;
  opacity: 1;
  transform: translateY(0);
}

html.js-ready .stagger-children.visible>*:nth-child(3) {
  transition-delay: 160ms;
  opacity: 1;
  transform: translateY(0);
}

html.js-ready .stagger-children.visible>*:nth-child(4) {
  transition-delay: 240ms;
  opacity: 1;
  transform: translateY(0);
}

html.js-ready .stagger-children.visible>*:nth-child(5) {
  transition-delay: 320ms;
  opacity: 1;
  transform: translateY(0);
}

html.js-ready .stagger-children.visible>*:nth-child(6) {
  transition-delay: 400ms;
  opacity: 1;
  transform: translateY(0);
}

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {

  html.js-ready .fade-in,
  html.js-ready .fade-in-left,
  html.js-ready .fade-in-right,
  html.js-ready .stagger-children>* {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

/* ---------- STICKY MOBILE CTA (hidden on desktop) ---------- */
.mobile-sticky-cta {
  display: none;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .footer-brand {
    grid-column: span 3;
    margin-bottom: var(--space-4);
  }

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

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

@media (max-width: 768px) {
  :root {
    --container-padding: var(--space-5);
  }

  h1 {
    font-size: var(--font-size-3xl);
  }

  h2 {
    font-size: var(--font-size-2xl);
  }

  /* FIX #3+4: Compress hero for mobile — ensure CTA visible above fold */
  .hero {
    padding: calc(72px + var(--space-6)) 0 var(--space-6);
  }

  .hero h1 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-3);
  }

  .page-header {
    padding: calc(72px + var(--space-6)) 0 var(--space-4);
  }

  .page-header h1 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-2);
  }

  .page-header p {
    font-size: var(--font-size-sm);
  }

  .hero-badge {
    margin-bottom: var(--space-4);
    font-size: var(--font-size-xs);
  }

  .hero-subtitle {
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-6);
  }

  .hero-actions {
    flex-direction: column;
    margin-bottom: var(--space-8);
  }

  .hero-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
    margin-top: var(--space-6);
  }

  .hero-stat-number {
    font-size: var(--font-size-2xl);
  }

  /* FIX #5: Keep primary CTA visible in mobile nav */
  .nav-links {
    display: none;
  }

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

  .nav-actions .btn-primary {
    display: inline-flex;
    padding: 8px 16px;
    font-size: var(--font-size-xs);
  }

  .nav-toggle {
    display: flex;
  }

  /* Mobile menu open */
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-white);
    padding: var(--space-6);
    border-bottom: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-lg);
    z-index: 999;
    max-height: 80vh;
    overflow-y: auto;
  }

  .nav-links.open a {
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-base);
    border-bottom: 1px solid var(--color-gray-100);
  }

  /* ===== MOBILE NAV: details/summary accordions ===== */

  /* Hide desktop dropdown divs on mobile */
  .nav-links.open .nav-dropdown {
    display: none !important;
  }

  /* Show mobile accordion details blocks */
  .nav-links.open .mobile-nav-dropdown {
    display: block;
    width: 100%;
  }

  /* Style the summary (trigger) */
  .mobile-nav-dropdown summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-dark);
    cursor: pointer;
    border-bottom: 1px solid var(--color-gray-100);
    list-style: none;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
  }

  .mobile-nav-dropdown summary::-webkit-details-marker {
    display: none;
  }

  .mobile-nav-dropdown summary::marker {
    display: none;
    content: '';
  }

  .mobile-nav-dropdown summary .chevron {
    transition: transform 0.2s ease;
    flex-shrink: 0;
  }

  .mobile-nav-dropdown[open] summary .chevron {
    transform: rotate(180deg);
  }

  .mobile-nav-dropdown summary:active {
    background: var(--color-gray-50);
  }

  .mobile-nav-submenu {
    display: flex;
    flex-direction: column;
    background: var(--color-gray-50);
    border-bottom: 1px solid var(--color-gray-100);
  }

  .mobile-nav-submenu a {
    padding: var(--space-2) var(--space-4) var(--space-2) var(--space-8) !important;
    font-size: var(--font-size-sm) !important;
    color: var(--color-dark);
    text-decoration: none;
    border-bottom: 1px solid var(--color-gray-100);
  }

  .mobile-nav-submenu a:last-child {
    border-bottom: none;
  }

  .mobile-nav-submenu a:active {
    background: var(--color-gray-100);
  }

  .features-grid,
  .steps,
  .grid-2,
  .content-grid,
  .content-grid.reverse {
    grid-template-columns: 1fr;
    direction: ltr;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

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

  .blog-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-brand {
    grid-column: span 2;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }

  .section {
    padding: var(--space-12) 0;
  }

  .step:not(:last-child)::after {
    display: none;
  }

  .cta-section {
    padding: var(--space-10) var(--space-6);
    margin: var(--space-12) var(--space-4);
    border-radius: var(--radius-xl);
  }

  /* FIX #4+5: Sticky mobile CTA bar — hidden by default, shown after 20% scroll */
  .mobile-sticky-cta {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid var(--color-gray-200);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    justify-content: center;
    gap: var(--space-3);
    transform: translateY(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .mobile-sticky-cta.visible {
    transform: translateY(0);
  }

  .mobile-sticky-cta .btn {
    flex: 1;
    max-width: 280px;
    text-align: center;
  }

  /* Bottom padding so sticky bar doesn't cover footer content */
  body.sticky-cta-active {
    padding-bottom: 68px;
  }
}

/* Scroll-hint chevron — visible on all viewports, fades after scroll */
.scroll-hint {
  display: flex;
  justify-content: center;
  margin-top: var(--space-4);
  animation: scrollBounce 2s ease-in-out infinite;
  transition: opacity 0.4s ease;
}

.scroll-hint.hidden {
  opacity: 0;
  pointer-events: none;
}

.scroll-hint svg {
  width: 28px;
  height: 28px;
  color: var(--color-gray-400);
}

@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* Hero badge as clickable link */
a.hero-badge {
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

a.hero-badge:hover {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(168, 85, 247, 0.15));
  box-shadow: 0 2px 12px rgba(99, 102, 241, 0.2);
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: var(--font-size-3xl);
  }

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

  .footer-brand {
    grid-column: span 1;
  }

  .stats-bar {
    grid-template-columns: 1fr;
  }
}

/* ---------- MOBILE LANGUAGE SWITCHER IMPROVEMENTS ---------- */
@media (max-width: 768px) {
  .lang-switcher {
    order: -1;
    margin-right: 4px !important;
  }

  .lang-btn {
    width: 36px;
    height: 36px;
    font-size: 12px;
    font-weight: 800;
    border-radius: var(--radius-md);
    background: var(--color-gray-100);
    border: 1.5px solid transparent;
  }

  .lang-btn.active {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
  }

  .lang-btn:not(.active):hover {
    background: var(--color-gray-200);
  }
}