/*
 * undresserUS.love - Main Stylesheet
 * American AI Undressing Website
 */

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

:root {
  /* Primary color scheme - Orange/Navy */
  --primary: #ff5722;
  --primary-dark: #e64a19;
  --primary-light: #ffab91;
  --secondary: #1a237e;
  --secondary-dark: #121858;
  --secondary-light: #534bae;
  
  /* Neutral colors */
  --dark: #222831;
  --light: #ffffff;
  --gray: #757575;
  --light-gray: #f5f5f5;
  
  /* UI specific */
  --success: #2ecc71;
  --warning: #f39c12;
  --error: #e74c3c;
  
  /* Typography */
  --heading-font: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
  --body-font: 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 9999px;
}

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

body {
  font-family: var(--body-font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--dark);
  background-color: var(--light);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.site-wrapper {
  overflow: hidden;
  position: relative;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

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

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

ul {
  list-style: none;
}

/* ----- Typography ----- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--heading-font);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  color: var(--dark);
}

h1 {
  font-size: 3rem;
  margin-bottom: var(--space-lg);
}

h2 {
  font-size: 2.25rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

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

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-xl);
}

.section-header h2 {
  position: relative;
  display: inline-block;
  padding-bottom: var(--space-md);
}

.section-header h2::after {
  content: '';
  position: absolute;
  width: 80px;
  height: 4px;
  background: linear-gradient(to right, var(--primary), var(--primary-light));
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  border-radius: var(--radius-full);
}

.section-header p {
  font-size: 1.1rem;
  color: var(--gray);
  max-width: 600px;
  margin: 0 auto;
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  outline: none;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
}

.btn .icon {
  width: 20px;
  height: 20px;
  margin-left: var(--space-sm);
  transition: transform 0.3s ease;
}

.btn:hover .icon {
  transform: translateX(4px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--light);
  box-shadow: 0 4px 10px rgba(255, 87, 34, 0.25);
}

.btn-primary:hover {
  box-shadow: 0 6px 15px rgba(255, 87, 34, 0.4);
  background: linear-gradient(135deg, var(--primary-dark), #d84315);
  color: var(--light);
  transform: translateY(-2px);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
  color: var(--light);
  box-shadow: 0 4px 10px rgba(26, 35, 126, 0.25);
}

.btn-secondary:hover {
  box-shadow: 0 6px 15px rgba(26, 35, 126, 0.4);
  background: linear-gradient(135deg, var(--secondary-dark), #0d1257);
  color: var(--light);
  transform: translateY(-2px);
}

/* ----- Header & Navigation ----- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: var(--space-md) 0;
  transition: all 0.3s ease;
}

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

.logo {
  display: flex;
  align-items: center;
  font-family: var(--heading-font);
  font-size: 1.5rem;
  font-weight: 800;
}

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

.logo-text .highlight {
  color: var(--primary);
}

.logo-domain {
  color: var(--secondary);
  font-weight: 400;
}

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

.main-nav a {
  color: var(--dark);
  font-weight: 500;
  position: relative;
}

.main-nav a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--primary);
  transition: width 0.3s ease;
}

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

.main-nav a:hover::after {
  width: 100%;
}

.cta-button {
  background-color: var(--primary);
  color: var(--light) !important;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
}

.cta-button:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
}

.menu-trigger {
  display: none;
  background: none;
  border: none;
  width: 30px;
  height: 24px;
  position: relative;
  cursor: pointer;
  z-index: 110;
}

.menu-trigger span {
  display: block;
  position: absolute;
  height: 3px;
  width: 100%;
  background: var(--dark);
  border-radius: 3px;
  opacity: 1;
  left: 0;
  transform: rotate(0deg);
  transition: 0.25s ease-in-out;
}

.menu-trigger span:nth-child(1) {
  top: 0px;
}

.menu-trigger span:nth-child(2) {
  top: 10px;
}

.menu-trigger span:nth-child(3) {
  top: 20px;
}

.menu-trigger.active span:nth-child(1) {
  top: 10px;
  transform: rotate(135deg);
}

.menu-trigger.active span:nth-child(2) {
  opacity: 0;
  left: -60px;
}

.menu-trigger.active span:nth-child(3) {
  top: 10px;
  transform: rotate(-135deg);
}

/* ----- Hero Section ----- */
.hero {
  padding: 140px 0 var(--space-xl);
  background: linear-gradient(135deg, #f8f9fa, #e9ecef);
  position: relative;
  overflow: hidden;
}

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

.hero-text h1 {
  font-size: 3.5rem;
  background: linear-gradient(135deg, var(--secondary), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.1;
  margin-bottom: var(--space-md);
}

.hero-text p {
  font-size: 1.2rem;
  color: var(--gray);
  margin-bottom: var(--space-lg);
  max-width: 90%;
}

.hero-cta {
  margin-top: var(--space-lg);
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 400px;
}

.hero-shape {
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 0.8;
  z-index: 1;
  animation: float 6s ease-in-out infinite;
}

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

.tech-elements {
  position: relative;
  width: 100%;
  height: 100%;
  z-index: 2;
}

.tech-element {
  position: absolute;
  background: var(--light);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.tech-element:nth-child(1) {
  width: 80px;
  height: 80px;
  top: 20%;
  left: 10%;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  animation: pulse 4s ease-in-out infinite;
}

.tech-element:nth-child(2) {
  width: 60px;
  height: 60px;
  top: 60%;
  left: 20%;
  background: linear-gradient(135deg, var(--secondary-light), var(--secondary));
  animation: pulse 4s ease-in-out infinite 1s;
}

.tech-element:nth-child(3) {
  width: 100px;
  height: 100px;
  top: 30%;
  right: 15%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  animation: pulse 4s ease-in-out infinite 0.5s;
}

.tech-element:nth-child(4) {
  width: 40px;
  height: 40px;
  bottom: 25%;
  right: 25%;
  background: linear-gradient(135deg, var(--secondary), var(--primary));
  animation: pulse 4s ease-in-out infinite 1.5s;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.8;
  }
  50% {
    transform: scale(1.1);
    opacity: 1;
  }
}

.stats-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  background-color: var(--light);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  margin-top: var(--space-xl);
}

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

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -10px;
  transform: translateY(-50%);
  height: 60%;
  width: 1px;
  background-color: #e0e0e0;
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--space-xs);
  font-family: var(--heading-font);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--gray);
  font-weight: 500;
}

/* ----- About Section ----- */
.about-section {
  padding: var(--space-xl) 0;
  background-color: var(--light);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
}

.feature-card {
  background: var(--light);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  text-align: center;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  z-index: -1;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
  margin: 0 auto var(--space-md);
  width: 70px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, #f8f9fa, #e9ecef);
}

.feature-icon svg {
  width: 40px;
  height: 40px;
  color: var(--primary);
}

.feature-card h3 {
  margin-bottom: var(--space-sm);
  font-size: 1.3rem;
}

.feature-card p {
  color: var(--gray);
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* ----- How It Works Section ----- */
.hiw-section {
  padding: var(--space-xl) 0;
  background-color: #f8f9fa;
  position: relative;
  overflow: hidden;
}

.process-steps {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
}

.step {
  flex: 1;
  text-align: center;
  padding: var(--space-md);
  position: relative;
  z-index: 1;
}

.step-icon {
  position: relative;
  width: 100px;
  height: 100px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  box-shadow: 0 10px 20px rgba(255, 87, 34, 0.2);
  transition: transform 0.3s ease;
}

.step:hover .step-icon {
  transform: scale(1.1);
}

.step-number {
  position: absolute;
  top: -10px;
  right: -5px;
  width: 30px;
  height: 30px;
  background-color: var(--secondary);
  color: var(--light);
  font-weight: 700;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-icon svg {
  width: 40px;
  height: 40px;
  color: var(--light);
}

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

.step p {
  color: var(--gray);
  font-size: 0.95rem;
  margin-bottom: 0;
}

.step-connector {
  width: 100px;
  height: 3px;
  background: linear-gradient(to right, var(--primary-light), var(--primary));
  position: relative;
  flex-shrink: 1;
}

.step-connector::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -10px;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 10px solid var(--primary);
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
}

.hiw-cta {
  text-align: center;
  margin-top: var(--space-xl);
}

/* ----- FAQ Section ----- */
.faq-section {
  padding: var(--space-xl) 0;
  background-color: var(--light);
}

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

.accordion-item {
  margin-bottom: var(--space-md);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
  border: 1px solid #eee;
}

.accordion-header {
  width: 100%;
  text-align: left;
  padding: var(--space-lg) var(--space-lg);
  background-color: var(--light);
  border: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--dark);
  transition: background-color 0.3s ease;
}

.accordion-item.active .accordion-header {
  background-color: #f8f9fa;
}

.accordion-icon {
  width: 24px;
  height: 24px;
  color: var(--primary);
  transition: transform 0.3s ease;
}

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

.accordion-content {
  max-height: 0;
  overflow: hidden;
  padding: 0 var(--space-lg);
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.accordion-item.active .accordion-content {
  max-height: 300px;
  padding: 0 var(--space-lg) var(--space-lg);
}

.accordion-content p {
  margin-bottom: 0;
}

/* ----- CTA Banner ----- */
.cta-banner {
  padding: var(--space-xl) 0;
  background: linear-gradient(135deg, var(--secondary), var(--primary));
  text-align: center;
  color: var(--light);
}

.cta-banner h2 {
  color: var(--light);
  margin-bottom: var(--space-sm);
}

.cta-banner p {
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto var(--space-lg);
  opacity: 0.9;
}

/* ----- Footer ----- */
.site-footer {
  padding: var(--space-xl) 0 var(--space-lg);
  background-color: var(--dark);
  color: rgba(255, 255, 255, 0.7);
}

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

.footer-brand p {
  margin-top: var(--space-md);
  font-size: 0.95rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.footer-logo-text {
  font-family: var(--heading-font);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--light);
}

.footer-logo-text .highlight {
  color: var(--primary);
}

.footer-domain {
  color: var(--primary-light);
  font-weight: 400;
}

.footer-links h4 {
  color: var(--light);
  margin-bottom: var(--space-lg);
  position: relative;
  display: inline-block;
  padding-bottom: var(--space-sm);
}

.footer-links h4::after {
  content: '';
  position: absolute;
  width: 40px;
  height: 3px;
  background-color: var(--primary);
  bottom: 0;
  left: 0;
}

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

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: all 0.3s ease;
}

.footer-links a:hover {
  color: var(--primary);
  padding-left: var(--space-sm);
}

.footer-bottom {
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-bottom p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

.seo-keywords {
  font-size: 0.8rem;
  opacity: 0.5;
}

/* ----- Media Queries ----- */
@media (max-width: 991px) {
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  .hero-content {
    grid-template-columns: 1fr;
  }
  
  .hero-visual {
    height: 300px;
    order: -1;
  }
  
  .process-steps {
    flex-direction: column;
  }
  
  .step {
    margin-bottom: var(--space-lg);
  }
  
  .step-connector {
    width: 3px;
    height: 40px;
    transform: rotate(90deg);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

@media (max-width: 768px) {
  .menu-trigger {
    display: block;
  }
  
  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 100vh;
    background: rgba(255, 255, 255, 0.98);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    backdrop-filter: blur(10px);
  }
  
  .main-nav.active {
    transform: translateX(0);
  }
  
  .main-nav ul {
    flex-direction: column;
    text-align: center;
  }
  
  .stats-strip {
    grid-template-columns: 1fr;
  }
  
  .stat-item:not(:last-child)::after {
    display: none;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}