/* ===== CSS VARIABLES ===== */
:root {
  /* Colors */
  --primary: #3b82f6;
  --primary-dark: #2563eb;
  --primary-light: #93c5fd;
  --secondary: #10b981;
  --secondary-dark: #059669;
  --accent: #f59e0b;
  --accent-dark: #d97706;

  /* Neutrals */
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  /* Semantic colors */
  --success: #10b981;
  --error: #ef4444;
  --warning: #f59e0b;
  --info: #3b82f6;

  /* 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;

  /* Typography */
  --font-family: 'Inter', system-ui, -apple-system, 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;

  /* Border radius */
  --radius-sm: 0.375rem;
  --radius: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-2xl: 2rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.2s ease;
  --transition-slow: 0.3s ease;

  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;

  /* Container */
  --container-max: 1200px;
  --container-padding: 1rem;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  color: var(--gray-900);
  margin-bottom: var(--space-4);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
  margin-bottom: var(--space-4);
  color: var(--gray-600);
}

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

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

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

ul, ol {
  list-style: none;
}

/* ===== UTILITIES ===== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  background: none;
  user-select: none;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: var(--white);
  border: none;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background-color: var(--white);
  color: var(--primary);
  border: 2px solid var(--primary);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--primary);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  background-color: transparent;
  color: var(--gray-700);
  border: 1px solid var(--gray-300);
}

.btn-ghost:hover:not(:disabled) {
  background-color: var(--gray-50);
  border-color: var(--gray-400);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-lg);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
}

/* ===== FORMS ===== */
.form-group {
  margin-bottom: var(--space-6);
}

.form-input,
.form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-base);
  color: var(--gray-800);
  background-color: var(--white);
  border: 2px solid var(--gray-300);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-help {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--gray-500);
}

label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--gray-700);
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
  z-index: var(--z-sticky);
  transition: all var(--transition-base);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
  min-height: 80px;
}

.nav-brand {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--primary);
  text-decoration: none;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-link {
  font-weight: var(--font-weight-medium);
  color: var(--gray-700);
  transition: color var(--transition-base);
  position: relative;
  padding: var(--space-2) 0;
}

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

.nav-link:hover::after,
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--radius-full);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.language-selector {
  display: flex;
  gap: var(--space-1);
  background-color: var(--gray-100);
  border-radius: var(--radius-full);
  padding: var(--space-1);
}

.lang-btn {
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--gray-600);
  background: none;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
}

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

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: var(--font-size-xl);
  color: var(--gray-700);
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius);
  transition: all var(--transition-base);
}

.mobile-toggle:hover {
  background-color: var(--gray-100);
  color: var(--primary);
}

.mobile-menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: var(--z-modal-backdrop);
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.mobile-menu-overlay.active {
  display: block;
  opacity: 1;
}

.mobile-auth-actions {
  display: none;
}

/* ===== HERO SECTION ===== */
.hero {
  padding: 120px 0 var(--space-20);
  background: linear-gradient(135deg, var(--gray-50) 0%, rgba(59, 130, 246, 0.05) 100%);
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%233b82f6' fill-opacity='0.02'%3E%3Cpath d='m36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
  pointer-events: none;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-text {
  max-width: 600px;
}

#hero-title {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-extrabold);
  line-height: 1.1;
  margin-bottom: var(--space-6);
  background: linear-gradient(135deg, var(--gray-900), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  color: var(--gray-600);
  margin-bottom: var(--space-8);
  line-height: 1.6;
}

.hero-features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.hero-feature {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--gray-700);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
}

.hero-feature i {
  color: var(--primary);
  font-size: var(--font-size-base);
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  padding: var(--space-6);
  background: var(--white);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--gray-100);
}

.stat {
  text-align: center;
}

.stat-number {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--primary);
  margin-bottom: var(--space-2);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--gray-600);
  font-weight: var(--font-weight-medium);
}

.hero-visual {
  position: relative;
}

.hero-image-container {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
  transform: rotate(2deg);
  transition: transform var(--transition-slow);
}

.hero-image-container:hover {
  transform: rotate(0deg) scale(1.02);
}

.hero-image {
  width: 100%;
  height: auto;
  display: block;
}

.floating-cards {
  position: absolute;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.floating-card {
  position: absolute;
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-4);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--gray-100);
  animation: float 6s ease-in-out infinite;
  max-width: 200px;
}

.floating-card-1 {
  top: 15%;
  right: -10%;
  animation-delay: -2s;
}

.floating-card-2 {
  bottom: 10%;
  left: -15%;
  animation-delay: -4s;
}

.card-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-3);
  font-size: var(--font-size-sm);
}

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

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

.card-content strong {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--gray-900);
  margin-bottom: var(--space-1);
}

.card-content p {
  font-size: var(--font-size-xs);
  color: var(--gray-600);
  margin: 0;
  line-height: 1.4;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

/* ===== SECTIONS ===== */
.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-16) auto;
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
  margin-bottom: var(--space-4);
  background: linear-gradient(135deg, var(--gray-900), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
}

.section-title i {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: var(--font-size-3xl);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--gray-600);
  line-height: 1.6;
  margin: 0;
}

/* ===== BENEFITS SECTION ===== */
.benefits {
  padding: var(--space-20) 0;
  background-color: var(--white);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-8);
}

.benefit-card {
  background: var(--white);
  padding: var(--space-8);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-100);
  transition: all var(--transition-slow);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.benefit-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.benefit-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.benefit-card:hover::before {
  opacity: 1;
}

.benefit-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-lg);
}

.benefit-icon i {
  font-size: var(--font-size-2xl);
  color: var(--white);
}

.benefit-card h3 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-4);
  color: var(--gray-900);
}

.benefit-card p {
  color: var(--gray-600);
  line-height: 1.6;
  margin: 0;
}

/* ===== PLANS SECTION ===== */
.plans {
  padding: var(--space-20) 0;
  background: linear-gradient(135deg, var(--gray-50) 0%, rgba(59, 130, 246, 0.02) 100%);
}

.plans-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
  margin-bottom: var(--space-16);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-16);
}

.plan-card {
  background: var(--white);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  position: relative;
  transition: all var(--transition-slow);
  overflow: hidden;
}

.plan-card.featured {
  border-color: var(--primary);
  transform: scale(1.05);
  box-shadow: var(--shadow-2xl);
}

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

.plan-card.featured:hover {
  transform: scale(1.05) translateY(-4px);
}

.plan-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white);
  padding: var(--space-2) var(--space-6);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  box-shadow: var(--shadow-lg);
}

.plan-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.plan-name {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-4);
  color: var(--gray-900);
}

.plan-price {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--primary);
  margin-bottom: var(--space-3);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.plan-price span {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  color: var(--gray-500);
}

.plan-description {
  color: var(--gray-600);
  margin: 0;
  line-height: 1.5;
}

.plan-features {
  margin-bottom: var(--space-8);
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  color: var(--gray-700);
}

.plan-features i {
  color: var(--success);
  font-size: var(--font-size-sm);
  flex-shrink: 0;
}

.plan-cta {
  width: 100%;
  justify-content: center;
}

/* ===== SIMULATOR ===== */
.simulator-container {
  max-width: 900px;
  margin: 0 auto;
}

.simulator {
  background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  box-shadow: var(--shadow-2xl);
  border: 1px solid var(--gray-200);
  position: relative;
  overflow: hidden;
}

.simulator::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.simulator-title {
  text-align: center;
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-extrabold);
  margin-bottom: var(--space-3);
  color: var(--gray-900);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.simulator-description {
  text-align: center;
  color: var(--gray-600);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-10);
}

.simulator-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.simulator-form .form-group {
  background: var(--white);
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-100);
  transition: all var(--transition-base);
}

.simulator-form .form-group:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.simulator-form .form-group label {
  font-weight: var(--font-weight-semibold);
  color: var(--gray-800);
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.simulator-form .form-group label::before {
  content: '';
  width: 8px;
  height: 8px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 50%;
}

.simulator-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  margin-bottom: var(--space-8);
}

.simulator-result {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white);
  padding: var(--space-8);
  border-radius: var(--radius-2xl);
  text-align: center;
  opacity: 0;
  transform: translateY(30px);
  transition: all var(--transition-slow);
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}

.simulator-result::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M20 20c0 11.046-8.954 20-20 20v-40c11.046 0 20 8.954 20 20z'/%3E%3C/g%3E%3C/svg%3E") repeat;
  pointer-events: none;
}

.simulator-result.show {
  opacity: 1;
  transform: translateY(0);
}

.simulator-result h4 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-4);
  color: var(--white);
}

.simulator-result .result-price {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
  margin-bottom: var(--space-2);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.simulator-result .result-details {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-xl);
  padding: var(--space-4);
  margin-top: var(--space-6);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.simulator-result .result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2);
  color: rgba(255, 255, 255, 0.9);
}

.simulator-result .result-item:last-child {
  margin-bottom: 0;
  padding-top: var(--space-2);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  font-weight: var(--font-weight-bold);
  color: var(--white);
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials {
  padding: var(--space-20) 0;
  background-color: var(--white);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-8);
}

.testimonial-card {
  background: var(--white);
  padding: var(--space-8);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-100);
  transition: all var(--transition-slow);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: var(--space-4);
  left: var(--space-6);
  font-size: var(--font-size-6xl);
  color: var(--primary);
  opacity: 0.1;
  font-family: serif;
  line-height: 1;
}

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

.testimonial-quote {
  font-size: var(--font-size-lg);
  line-height: 1.6;
  color: var(--gray-700);
  margin-bottom: var(--space-6);
  font-style: italic;
  position: relative;
  z-index: 2;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.author-avatar {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
  flex-shrink: 0;
}

.author-info h4 {
  margin: 0 0 var(--space-1) 0;
  color: var(--gray-900);
  font-weight: var(--font-weight-semibold);
}

.author-info p {
  margin: 0;
  color: var(--gray-500);
  font-size: var(--font-size-sm);
}

.rating {
  display: flex;
  gap: var(--space-1);
  margin-left: auto;
}

.rating i {
  color: var(--accent);
  font-size: var(--font-size-sm);
}

/* ===== CTA SECTION ===== */
.cta {
  padding: var(--space-20) 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: var(--white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M20 20c0 11.046-8.954 20-20 20v-40c11.046 0 20 8.954 20 20z'/%3E%3C/g%3E%3C/svg%3E") repeat;
  pointer-events: none;
}

.cta-content {
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.cta h2 {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
  margin-bottom: var(--space-6);
  color: var(--white);
}

.cta p {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-8);
  color: rgba(255, 255, 255, 0.9);
}

.cta-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
}

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

.cta .btn-primary:hover {
  background: var(--gray-100);
  transform: translateY(-2px);
}

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

.cta .btn-secondary:hover {
  background: var(--white);
  color: var(--primary);
}

/* ===== TEAM SECTION ===== */
.team {
  padding: var(--space-20) 0;
  background: var(--gray-50);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-16);
}

.team-member {
  background: var(--white);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-slow);
  border: 1px solid var(--gray-100);
}

.team-member:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}

.member-photo {
  width: 200px;
  height: 200px;
  margin: 0 auto var(--space-6);
  border-radius: 50%;
  overflow: hidden;
  position: relative;
  border: 4px solid var(--white);
  box-shadow: var(--shadow-xl);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  padding: 4px;
}

.member-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  transition: transform var(--transition-slow);
}

.team-member:hover .member-photo img {
  transform: scale(1.1);
}

.team-member:hover .member-photo {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2xl);
}

.member-info {
  padding: var(--space-6);
  text-align: center;
}

.member-name {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-2);
  color: var(--gray-900);
}

.member-role {
  color: var(--primary);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-base);
  margin-bottom: var(--space-4);
}

.member-description {
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: var(--space-6);
}

.member-social {
  display: flex;
  gap: var(--space-3);
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-600);
  transition: all var(--transition-base);
}

.social-link:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}
.team-video-section {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 3rem 1rem;
}

/* Contenedor general */
.team-values {
  width: 100%;
  max-width: 1200px; /* más grande */
  text-align: center;
  box-sizing: border-box;
}

/* Título */
.team-values h3 {
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

/* Contenedor del video (responsive 16:9) */
.video-wrapper {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* Mantiene proporción 16:9 */
  height: 0;
  overflow: hidden;
  border-radius: 12px;
  background: #000;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* Video ocupa todo el contenedor */
.team-video-iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* Mejor visual en pantallas grandes */
@media (min-width: 768px) {
  .team-values h3 {
    font-size: 2rem;
  }
  .team-video-section {
    padding: 4rem 2rem;
  }
  .team-values {
    max-width: 1280px;
  }
}

/* Ajuste para móviles */
@media (max-width: 480px) {
  .team-values h3 {
    font-size: 1.4rem;
  }
  .team-video-section {
    padding: 2rem 1rem;
  }
}

/* Sección centrada y espaciosa */
.product-video-section {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 3rem 1rem;
}

/* Contenedor general más ancho para dar protagonismo al video */
.product-values {
  width: 100%;
  max-width: 1280px; /* destacado en pantallas grandes */
  text-align: center;
  box-sizing: border-box;
}

/* Título */
.product-values h3 {
  font-size: 1.9rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

/* Lang switcher simple */
.lang-switcher {
  margin-bottom: 1rem;
}
.lang-switcher .lang-btn {
  background: transparent;
  border: 1px solid #ddd;
  padding: 0.35rem 0.6rem;
  margin: 0 0.25rem;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
}

/* Wrapper responsive mantiene 16:9, pero con mayor presencia visual */
.video-wrapper {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 */
  height: 0;
  overflow: hidden;
  border-radius: 14px;
  background: #000;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
  margin-bottom: 1rem;
}

/* Iframe ocupa todo el wrapper */
.product-video-iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* Nota y CTA */
.video-link-note {
  margin-top: 0.5rem;
  font-size: 0.95rem;
}
.video-link-note a {
  text-decoration: underline;
}

/* Botones CTA */
.video-cta {
  margin-top: 1rem;
  display: flex;
  gap: 0.6rem;
  justify-content: center;
  flex-wrap: wrap;
}
.video-cta .btn {
  padding: 0.6rem 0.95rem;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  font-weight: 600;
  background: #0b76ef;
  color: #fff;
  text-decoration: none;
}

/* Responsivo */
@media (min-width: 992px) {
  .product-values h3 { font-size: 2.2rem; }
  .product-values { max-width: 1400px; }
}

@media (max-width: 480px) {
  .product-values h3 { font-size: 1.4rem; }
  .product-video-section { padding: 2rem 0.75rem; }
  .video-cta .btn { padding: 0.5rem 0.75rem; font-size: 0.9rem; }
}

/* ===== TEAM VALUES ===== */
.team-values {
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
}

.team-values h3 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-12);
  color: var(--gray-900);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-8);
}

.value-item {
  text-align: center;
  padding: var(--space-6);
}

.value-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-6);
  box-shadow: var(--shadow-xl);
}

.value-icon i {
  font-size: var(--font-size-2xl);
  color: var(--white);
}

.value-item h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-3);
  color: var(--gray-900);
}

.value-item p {
  color: var(--gray-600);
  line-height: 1.6;
  margin: 0;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--gray-900);
  color: var(--gray-300);
  padding: var(--space-20) 0 var(--space-8);
}

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

.footer-brand h3 {
  color: var(--white);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-extrabold);
  margin-bottom: var(--space-4);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-brand p {
  color: var(--gray-400);
  line-height: 1.6;
  margin-bottom: var(--space-6);
}

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

.footer .social-link {
  width: 44px;
  height: 44px;
  background: var(--gray-800);
  border: 1px solid var(--gray-700);
}

.footer .social-link:hover {
  background: var(--primary);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.footer-section h4 {
  color: var(--white);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-6);
}

.footer-links li {
  margin-bottom: var(--space-3);
}

.footer-links a {
  color: var(--gray-400);
  transition: color var(--transition-base);
}

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

.footer-bottom {
  border-top: 1px solid var(--gray-800);
  padding-top: var(--space-6);
  text-align: center;
  color: var(--gray-500);
}

/* ===== ANIMATIONS ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.fade-in.animate {
  opacity: 1;
  transform: translateY(0);
}

.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }

/* ===== MODALS ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-slow);
  backdrop-filter: blur(4px);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--white);
  border-radius: var(--radius-2xl);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: scale(0.9);
  transition: transform var(--transition-slow);
  box-shadow: var(--shadow-2xl);
}

.modal-overlay.active .modal {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 32px;
  height: 32px;
  background: var(--gray-100);
  border: none;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-600);
  cursor: pointer;
  transition: all var(--transition-base);
  z-index: 1;
}

.modal-close:hover {
  background: var(--gray-200);
  color: var(--gray-800);
}

.modal-body {
  padding: var(--space-8);
}

.modal-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: flex-end;
  margin-top: var(--space-8);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
  .hero-content {
    gap: var(--space-12);
  }

  .hero-image-container {
    transform: rotate(1deg);
  }

  .floating-card-1 {
    right: -5%;
  }

  .floating-card-2 {
    left: -10%;
  }
}

@media (max-width: 768px) {
  /* Navigation */
  .nav-menu {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    padding: var(--space-8);
    transform: translateX(-100%);
    transition: transform var(--transition-slow);
    box-shadow: var(--shadow-xl);
  }

  .nav-menu.active {
    transform: translateX(0);
  }

  .nav-link {
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--gray-100);
    text-align: center;
  }

  .mobile-toggle {
    display: block;
  }

  .nav-actions .btn,
  .nav-actions .language-selector {
    display: none;
  }

  .mobile-auth-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin-top: var(--space-6);
    padding-top: var(--space-6);
    border-top: 2px solid var(--gray-100);
  }

  .mobile-auth-actions .language-selector {
    align-self: center;
  }

  /* Hero */
  .hero {
    padding: 100px 0 var(--space-16);
    min-height: auto;
  }

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

  #hero-title {
    font-size: var(--font-size-3xl);
  }

  .hero-subtitle {
    font-size: var(--font-size-lg);
  }

  .hero-features {
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .hero-image-container {
    transform: rotate(0deg);
    margin-top: var(--space-8);
  }

  .floating-card {
    display: none;
  }

  /* Sections */
  .section-title {
    font-size: var(--font-size-3xl);
  }

  .section-subtitle {
    font-size: var(--font-size-base);
  }

  /* Benefits */
  .benefits-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  /* Plans */
  .plans-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
    max-width: none;
  }

  .plan-card.featured {
    transform: none;
  }

  .plan-card.featured:hover {
    transform: translateY(-4px);
  }

  .simulator-form {
    grid-template-columns: 1fr;
  }

  .simulator-actions {
    flex-direction: column;
  }

  /* Testimonials */
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  /* CTA */
  .cta h2 {
    font-size: var(--font-size-3xl);
  }

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

  .cta-actions {
    flex-direction: column;
    align-items: center;
  }

  /* Team */
  .team-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .values-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }

  /* Footer */
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-8);
    text-align: center;
  }

  .social-links {
    justify-content: center;
  }

  /* Modal */
  .modal {
    width: 95%;
    margin: var(--space-4);
  }

  .modal-actions {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-4);
  }

  #hero-title {
    font-size: var(--font-size-2xl);
  }

  .section-title {
    font-size: var(--font-size-2xl);
  }

  .benefits-grid,
  .plans-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    padding: var(--space-4);
  }

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

  .btn-lg {
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-base);
  }
}