/* ========================================
   VALUESCHECK.COM - ESTILOS MINIMALISTAS
   Diseño estilo OpenAI - Ultra limpio
   ======================================== */

/* Variables CSS */
:root {
  /* Colores - Solo negro, blanco y grises */
  --black: #000000;
  --white: #FFFFFF;
  --gray-50: #FAFAFA;
  --gray-100: #F5F5F5;
  --gray-200: #E5E5E5;
  --gray-300: #D4D4D4;
  --gray-400: #A3A3A3;
  --gray-500: #737373;
  --gray-600: #525252;
  --gray-700: #404040;
  --gray-800: #262626;
  --gray-900: #171717;

  /* Acentos para semáforo */
  --green: #10B981;
  --yellow: #F59E0B;
  --red: #EF4444;

  /* Escala tipográfica */
  --text-xs: 0.75rem;    /* 12px */
  --text-sm: 0.875rem;   /* 14px */
  --text-base: 1rem;     /* 16px */
  --text-lg: 1.125rem;   /* 18px */
  --text-xl: 1.25rem;    /* 20px */
  --text-2xl: 1.5rem;    /* 24px */
  --text-3xl: 2rem;      /* 32px */
  --text-4xl: 2.5rem;    /* 40px */
  --text-5xl: 3rem;      /* 48px */
  --text-6xl: 4rem;      /* 64px */

  /* Espaciado */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;

  /* Containers */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
}

/* Reset y base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--black);
  background-color: var(--white);
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-lg);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Tipografía */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
}

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

.link {
  text-decoration: underline;
  opacity: 0.8;
  transition: opacity 0.2s;
}

.link:hover {
  opacity: 1;
}

/* ========================================
   NAVIGATION
   ======================================== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
  z-index: 1000;
}

.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo-img {
  height: 72px;
  width: auto;
}

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

.nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  opacity: 0.8;
  transition: opacity 0.2s;
}

.nav-link:hover {
  opacity: 1;
}

.nav-lang-selector {
  display: flex;
  gap: 4px;
  align-items: center;
  padding: 6px 12px;
  background: var(--gray-100);
  border-radius: 6px;
}

.lang-link {
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 4px;
  opacity: 0.5;
  transition: all 0.2s;
}

.lang-link:hover {
  opacity: 0.8;
  background: var(--gray-200);
}

.lang-link.lang-active {
  opacity: 1;
  background: var(--black);
  color: var(--white);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--black);
  transition: 0.3s;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  padding: var(--spacing-md);
  z-index: 999;
}

.mobile-menu.active {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.mobile-menu-link {
  padding: var(--spacing-sm);
  font-size: var(--text-base);
  font-weight: 500;
}

/* ========================================
   BUTTONS
   ======================================== */

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: var(--text-base);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

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

.btn-primary::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before {
  width: 300px;
  height: 300px;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
  background: transparent;
  color: var(--black);
  border: 2px solid var(--gray-300);
}

.btn-secondary:hover {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

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

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

.btn-block {
  width: 100%;
}

/* ========================================
   SECTIONS
   ======================================== */

section {
  padding: var(--spacing-3xl) 0;
}

.section-title {
  font-size: var(--text-4xl);
  font-weight: 600;
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-subtitle {
  font-size: var(--text-xl);
  text-align: center;
  color: var(--gray-600);
  margin-bottom: var(--spacing-2xl);
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
  padding-top: calc(64px + var(--spacing-3xl));
  padding-bottom: var(--spacing-3xl);
  background: var(--white);
  min-height: 80vh;
  display: flex;
  align-items: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.hero-title {
  font-size: var(--text-6xl);
  font-weight: 600;
  line-height: 1.1;
  margin-bottom: var(--spacing-lg);
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: var(--gray-600);
  margin-bottom: var(--spacing-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-ctas {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ========================================
   PROBLEM SECTION
   ======================================== */

.problem {
  background: var(--gray-50);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  max-width: 900px;
  margin: 0 auto;
}

.stat-card {
  background: var(--white);
  padding: var(--spacing-xl);
  border-radius: 12px;
  border: 1px solid var(--gray-200);
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.stat-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--black) 0%, var(--gray-400) 100%);
  transform: translateX(-100%);
  transition: transform 0.5s ease;
}

.stat-card:hover {
  border-color: var(--black);
  transform: translateY(-4px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.08);
}

.stat-card:hover::after {
  transform: translateX(0);
}

.stat-number {
  font-size: var(--text-5xl);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.stat-label {
  font-size: var(--text-base);
  color: var(--gray-600);
}

/* ========================================
   SOLUTION SECTION
   ======================================== */

.solution {
  background: var(--white);
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
  max-width: 900px;
  margin: 0 auto;
}

.solution-card {
  padding: var(--spacing-xl);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  transition: all 0.3s ease;
  background: var(--white);
  position: relative;
}

.solution-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
}

.solution-card:hover {
  border-color: var(--black);
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

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

.solution-icon {
  width: 56px;
  height: 56px;
  margin-bottom: var(--spacing-md);
  color: var(--black);
  transition: transform 0.3s ease;
}

.solution-card:hover .solution-icon {
  transform: scale(1.1) rotate(5deg);
}

.solution-title {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.solution-description {
  font-size: var(--text-base);
  color: var(--gray-600);
  margin-bottom: var(--spacing-xs);
}

.solution-detail {
  font-size: var(--text-sm);
  color: var(--gray-500);
}

/* ========================================
   HOW IT WORKS SECTION
   ======================================== */

.how-it-works {
  background: var(--black);
  color: var(--white);
}

.how-it-works .section-title {
  color: var(--white);
}

.process-steps {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

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

.process-number {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 2px solid var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  font-weight: 600;
  margin: 0 auto var(--spacing-sm);
}

.process-name {
  font-size: var(--text-base);
  font-weight: 500;
}

.process-arrow {
  font-size: var(--text-2xl);
  opacity: 0.5;
}

.process-footer {
  text-align: center;
  font-size: var(--text-base);
  color: var(--gray-400);
  max-width: 600px;
  margin: 0 auto;
}

/* ========================================
   PRICING SECTION
   ======================================== */

.pricing {
  background: var(--white);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  max-width: 1200px;
  margin: 0 auto var(--spacing-2xl);
}

.pricing-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  padding: var(--spacing-2xl);
  transition: all 0.3s ease;
  position: relative;
}

.pricing-card:hover {
  border-color: var(--black);
  transform: translateY(-8px);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.12);
}

.pricing-card-featured {
  border-color: var(--black);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
  background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
}

.pricing-card-featured:hover {
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--black);
  color: var(--white);
  padding: 4px 12px;
  border-radius: 4px;
  font-size: var(--text-xs);
  font-weight: 600;
}

.pricing-header {
  margin-bottom: var(--spacing-lg);
}

.pricing-title {
  font-size: var(--text-2xl);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.pricing-subtitle {
  font-size: var(--text-sm);
  color: var(--gray-600);
}

.pricing-price {
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--gray-200);
}

.price-amount {
  font-size: var(--text-5xl);
  font-weight: 600;
  display: block;
  margin-bottom: var(--spacing-xs);
}

.price-period {
  font-size: var(--text-sm);
  color: var(--gray-600);
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--spacing-xl);
}

.pricing-features li {
  padding: var(--spacing-sm) 0;
  font-size: var(--text-base);
  color: var(--gray-700);
}

.pricing-features li:before {
  content: "✓";
  margin-right: var(--spacing-sm);
  color: var(--black);
  font-weight: 600;
}

.pricing-footer {
  text-align: center;
  font-size: var(--text-base);
  color: var(--gray-600);
}

/* ========================================
   PLATFORM SECTION
   ======================================== */

.platform {
  background: var(--gray-50);
}

.platform-mockup {
  max-width: 900px;
  margin: 0 auto var(--spacing-2xl);
}

.mockup-placeholder {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  overflow: hidden;
  filter: blur(0.5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease;
}

.mockup-placeholder:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.12);
}

.mockup-header {
  background: var(--gray-100);
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--gray-200);
}

.mockup-tabs {
  display: flex;
  gap: var(--spacing-sm);
}

.mockup-tab {
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--gray-200);
  border-radius: 4px;
  font-size: var(--text-sm);
}

.mockup-tab.active {
  background: var(--white);
}

.mockup-content {
  padding: var(--spacing-xl);
}

.mockup-section {
  margin-bottom: var(--spacing-lg);
}

.mockup-title {
  height: 24px;
  width: 60%;
  background: var(--gray-200);
  border-radius: 4px;
  margin-bottom: var(--spacing-md);
}

.mockup-text {
  height: 16px;
  width: 100%;
  background: var(--gray-100);
  border-radius: 4px;
  margin-bottom: var(--spacing-sm);
}

.mockup-text.short {
  width: 70%;
}

.mockup-score {
  display: flex;
  justify-content: center;
  margin-top: var(--spacing-xl);
}

.score-circle {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-4xl);
  font-weight: 600;
  color: var(--white);
}

.score-circle.green {
  background: var(--green);
}

.platform-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  max-width: 900px;
  margin: 0 auto;
}

.platform-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  transition: transform 0.3s ease;
}

.platform-feature:hover {
  transform: translateX(8px);
}

.feature-icon {
  font-size: var(--text-xl);
  font-weight: 600;
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--black);
  color: var(--white);
}

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

/* ========================================
   DIFFERENTIATORS SECTION
   ======================================== */

.differentiators {
  background: var(--white);
}

.diff-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  max-width: 1000px;
  margin: 0 auto;
}

.diff-card {
  padding: var(--spacing-xl);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  text-align: center;
  transition: all 0.3s ease;
  background: var(--white);
  position: relative;
}

.diff-card::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: radial-gradient(circle, var(--gray-100) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  transition: all 0.4s ease;
}

.diff-card:hover {
  border-color: var(--black);
  transform: scale(1.05);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.08);
}

.diff-card:hover::before {
  width: 100%;
  height: 100%;
}

.diff-title {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.diff-text {
  font-size: var(--text-base);
  color: var(--gray-600);
}

/* ========================================
   FAQ SECTION
   ======================================== */

.faq {
  background: var(--white);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--gray-200);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg) 0;
  background: none;
  border: none;
  cursor: pointer;
  font-size: var(--text-lg);
  font-weight: 500;
  text-align: left;
  color: var(--black);
}

.faq-icon {
  font-size: var(--text-2xl);
  font-weight: 300;
  transition: transform 0.3s;
  flex-shrink: 0;
  margin-left: var(--spacing-md);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
}

.faq-item.active .faq-answer {
  max-height: 1000px;
  padding-bottom: var(--spacing-lg);
}

.faq-answer p {
  margin-bottom: var(--spacing-md);
  color: var(--gray-700);
  line-height: 1.7;
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

/* ========================================
   CTA FINAL SECTION
   ======================================== */

.cta-final {
  background: var(--black);
  color: var(--white);
}

.cta-final .section-title {
  color: var(--white);
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

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

.cta-final .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
  background: var(--white);
  border-top: 1px solid var(--gray-200);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-logo-img {
  height: 56px;
  width: auto;
}

.footer-links {
  display: flex;
  gap: var(--spacing-lg);
  font-size: var(--text-sm);
}

.footer-links a {
  opacity: 0.7;
  transition: opacity 0.2s;
}

.footer-links a:hover {
  opacity: 1;
}

.footer-contact a {
  font-size: var(--text-sm);
  opacity: 0.7;
  transition: opacity 0.2s;
}

.footer-contact a:hover {
  opacity: 1;
}

.footer-lang {
  display: flex;
  gap: var(--spacing-sm);
  font-size: var(--text-sm);
}

.footer-lang a {
  opacity: 0.5;
  transition: opacity 0.2s;
}

.footer-lang a:hover,
.footer-lang .lang-active {
  opacity: 1;
}

.footer-bottom {
  text-align: center;
  font-size: var(--text-xs);
  color: var(--gray-500);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--gray-200);
}

/* ========================================
   MODALS
   ======================================== */

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
}

.modal.active {
  display: flex;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  background: var(--white);
  border-radius: 8px;
  padding: var(--spacing-2xl);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  z-index: 1;
}

.modal-close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: none;
  border: none;
  font-size: var(--text-3xl);
  cursor: pointer;
  color: var(--gray-500);
  line-height: 1;
  transition: color 0.2s;
}

.modal-close:hover {
  color: var(--black);
}

.modal-title {
  font-size: var(--text-3xl);
  font-weight: 600;
  margin-bottom: var(--spacing-xl);
}

/* ========================================
   FORMS
   ======================================== */

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.form-group label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1px solid var(--gray-300);
  border-radius: 6px;
  font-size: var(--text-base);
  font-family: inherit;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--black);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.checkbox-group {
  flex-direction: row;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.checkbox-group input[type="checkbox"] {
  margin-top: 4px;
  width: auto;
  flex-shrink: 0;
}

.checkbox-group label {
  font-weight: 400;
  font-size: var(--text-sm);
}

.form-error {
  color: var(--red);
  font-size: var(--text-sm);
  display: none;
}

.form-error.active {
  display: block;
}

/* ========================================
   CORPORATE PACKAGES
   ======================================== */

.corporate-packages {
  display: grid;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.corporate-package {
  padding: var(--spacing-lg);
  border: 1px solid var(--gray-200);
  border-radius: 8px;
}

.corporate-package h3 {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.package-detail {
  font-size: var(--text-base);
  color: var(--gray-600);
  margin-bottom: var(--spacing-xs);
}

.package-discount {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--black);
}

/* ========================================
   RESPONSIVE - MOBILE FIRST
   ======================================== */

@media (max-width: 768px) {
  :root {
    --text-6xl: 2.5rem;
    --text-5xl: 2rem;
    --text-4xl: 1.75rem;
    --text-3xl: 1.5rem;
  }

  .nav-links {
    display: none;
  }

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

  .hero {
    min-height: 60vh;
    padding-top: calc(64px + var(--spacing-2xl));
  }

  .hero-title {
    font-size: var(--text-4xl);
  }

  .hero-ctas {
    flex-direction: column;
  }

  .hero-ctas .btn-lg {
    width: 100%;
  }

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

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

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

  .process-steps {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .process-arrow {
    transform: rotate(90deg);
  }

  .platform-features {
    grid-template-columns: 1fr;
  }

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

  .footer-links {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  section {
    padding: var(--spacing-2xl) 0;
  }
}

@media (max-width: 480px) {
  .modal-content {
    padding: var(--spacing-lg);
  }

  .btn-lg {
    padding: 14px 24px;
    font-size: var(--text-base);
  }
}

/* ========================================
   ANIMATIONS & TRANSITIONS
   ======================================== */

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

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

/* ========================================
   ACCESSIBILITY
   ======================================== */

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus styles for keyboard navigation */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--black);
  outline-offset: 2px;
}

/* ========================================
   COOKIE BANNER
   ======================================== */

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--white);
  border-top: 1px solid var(--gray-200);
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
  z-index: 9999;
  display: none;
  animation: slideUp 0.4s ease;
}

.cookie-banner.active {
  display: block;
}

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

.cookie-content {
  max-width: var(--container-lg);
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-lg);
}

.cookie-text h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.cookie-text p {
  font-size: var(--text-sm);
  color: var(--gray-600);
  line-height: 1.5;
  max-width: 800px;
}

.cookie-buttons {
  display: flex;
  gap: var(--spacing-sm);
  flex-shrink: 0;
}

.cookie-settings {
  margin-bottom: var(--spacing-lg);
}

.cookie-category {
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--gray-200);
}

.cookie-category:last-child {
  border-bottom: none;
}

.cookie-category-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
}

.cookie-category-header input[type="checkbox"] {
  width: 20px;
  height: 20px;
  cursor: pointer;
}

.cookie-category-header input[type="checkbox"]:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.cookie-category-description {
  font-size: var(--text-sm);
  color: var(--gray-600);
  margin-left: 28px;
}

.cookie-settings-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

@media (max-width: 768px) {
  .cookie-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .cookie-buttons {
    width: 100%;
    flex-direction: column;
  }

  .cookie-buttons button {
    width: 100%;
  }
}

/* ========================================
   UTILITIES
   ======================================== */

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

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }