/* 
 * iTransformly Main Stylesheet
 * Author: Manus AI
 * Version: 1.0
 */

/* Import Poppins font from Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&display=swap');

/* CSS Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Color Variables */
  --primary-bg: #000000;
  --primary-text: #ffffff;
  --accent-color: #ff6b00;
  --accent-hover: #ff8c33;
  --dark-gray: #1a1a1a;
  --medium-gray: #333333;
  --light-gray: #666666;
  --overlay-dark: rgba(0, 0, 0, 0.7);
  
  /* Typography Variables */
  --font-primary: 'Poppins', sans-serif;
  
  /* Spacing Variables */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 5rem;
  
  /* Border Radius */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  
  /* Transition */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

body {
  font-family: var(--font-primary);
  background-color: var(--primary-bg);
  color: var(--primary-text);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: 3.5rem;
}

h2 {
  font-size: 2.5rem;
}

h3 {
  font-size: 2rem;
}

h4 {
  font-size: 1.5rem;
}

h5 {
  font-size: 1.25rem;
}

h6 {
  font-size: 1rem;
}

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

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

a:hover {
  color: var(--accent-color);
}

ul, ol {
  margin-left: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

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

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--primary-bg);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--medium-gray);
  transition: background-color var(--transition-normal);
}

.header.scrolled {
  background-color: var(--overlay-dark);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 40px;
  margin-right: var(--spacing-sm);
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-text);
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  list-style: none;
  margin: 0;
}

.nav-item {
  margin: 0 0.5rem;
}

.nav-link {
  position: relative;
  padding: 0.25rem 0;
  font-weight: 400;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-color);
  transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link.active {
  color: var(--accent-color);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--primary-text);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 80px; /* Account for fixed header */
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: -2;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--overlay-dark);
  z-index: -1;
}

.hero-content {
  max-width: 800px;
  padding: var(--spacing-md);
}

.hero-title {
  font-size: 4rem;
  margin-bottom: var(--spacing-md);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-lg);
  font-weight: 400;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius-md);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  outline: none;
}

.btn-primary {
  background-color: var(--accent-color);
  color: var(--primary-text);
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--primary-text);
  border: 2px solid var(--primary-text);
}

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

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

/* Section Styles */
.section {
  padding: var(--spacing-xl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.section-title h2 {
  display: inline-block;
  position: relative;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 3px;
  background-color: var(--accent-color);
}

.section-subtitle {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-lg);
  color: var(--light-gray);
}

/* Card Styles */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.card {
  background-color: var(--dark-gray);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.card-content {
  padding: var(--spacing-md);
}

.card-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.card-text {
  margin-bottom: var(--spacing-md);
}

.card-link {
  color: var(--accent-color);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
}

.card-link i {
  margin-left: var(--spacing-xs);
  transition: transform var(--transition-fast);
}

.card-link:hover i {
  transform: translateX(5px);
}

/* Feature Section */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.feature {
  text-align: center;
}

.feature-icon {
  font-size: 3rem;
  color: var(--accent-color);
  margin-bottom: var(--spacing-sm);
}

.feature-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

/* Testimonial Section */
.testimonials {
  position: relative;
}

.testimonial-slider {
  display: flex;
  overflow-x: hidden;
}

.testimonial {
  flex: 0 0 100%;
  padding: var(--spacing-md);
  text-align: center;
  transition: transform var(--transition-normal);
}

.testimonial-content {
  background-color: var(--dark-gray);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-md);
  position: relative;
}

.testimonial-content::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 20px;
  background-color: var(--dark-gray);
  transform: rotate(45deg);
}

.testimonial-author {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.testimonial-author-image {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: var(--spacing-xs);
}

.testimonial-author-name {
  font-weight: 600;
}

.testimonial-author-title {
  font-size: 0.9rem;
  color: var(--light-gray);
}

.testimonial-controls {
  display: flex;
  justify-content: center;
  margin-top: var(--spacing-md);
}

.testimonial-control {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--medium-gray);
  margin: 0 var(--spacing-xs);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.testimonial-control.active {
  background-color: var(--accent-color);
}

/* Contact Form */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
}

.form-control {
  width: 100%;
  padding: 0.75rem;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--medium-gray);
  background-color: var(--dark-gray);
  color: var(--primary-text);
  font-family: var(--font-primary);
  transition: border-color var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-color);
}

textarea.form-control {
  min-height: 150px;
  resize: vertical;
}

/* Footer */
.footer {
  background-color: var(--dark-gray);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

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

.footer-logo {
  margin-bottom: var(--spacing-md);
}

.footer-contact {
  margin-bottom: var(--spacing-md);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: var(--spacing-sm);
}

.footer-contact-icon {
  margin-right: var(--spacing-sm);
  color: var(--accent-color);
}

.footer-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  position: relative;
  padding-bottom: var(--spacing-xs);
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background-color: var(--accent-color);
}

.footer-links {
  list-style: none;
  margin: 0;
}

.footer-link {
  margin-bottom: var(--spacing-xs);
}

.footer-link a {
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer-link a:hover {
  color: var(--accent-color);
  padding-left: var(--spacing-xs);
}

.footer-social {
  display: flex;
  margin-top: var(--spacing-md);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--medium-gray);
  color: var(--primary-text);
  margin-right: var(--spacing-sm);
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.social-link:hover {
  background-color: var(--accent-color);
  transform: translateY(-3px);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--medium-gray);
}

.copyright {
  font-size: 0.9rem;
  color: var(--light-gray);
}

/* Accordion (FAQ) */
.accordion {
  margin-bottom: var(--spacing-md);
}

.accordion-item {
  margin-bottom: var(--spacing-sm);
  border-radius: var(--border-radius-md);
  overflow: hidden;
}

.accordion-header {
  background-color: var(--dark-gray);
  padding: var(--spacing-md);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color var(--transition-fast);
}

.accordion-header:hover {
  background-color: var(--medium-gray);
}

.accordion-title {
  font-weight: 600;
  margin: 0;
}

.accordion-icon {
  transition: transform var(--transition-normal);
}

.accordion-content {
  background-color: var(--medium-gray);
  padding: 0 var(--spacing-md);
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal), padding var(--transition-normal);
}

.accordion-item.active .accordion-header {
  background-color: var(--accent-color);
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-item.active .accordion-content {
  max-height: 1000px;
  padding: var(--spacing-md);
}

/* Utility Classes */
.text-center {
  text-align: center;
}

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

.text-accent {
  color: var(--accent-color);
}

.mb-0 {
  margin-bottom: 0;
}

.mb-1 {
  margin-bottom: var(--spacing-xs);
}

.mb-2 {
  margin-bottom: var(--spacing-sm);
}

.mb-3 {
  margin-bottom: var(--spacing-md);
}

.mb-4 {
  margin-bottom: var(--spacing-lg);
}

.mb-5 {
  margin-bottom: var(--spacing-xl);
}

.mt-0 {
  margin-top: 0;
}

.mt-1 {
  margin-top: var(--spacing-xs);
}

.mt-2 {
  margin-top: var(--spacing-sm);
}

.mt-3 {
  margin-top: var(--spacing-md);
}

.mt-4 {
  margin-top: var(--spacing-lg);
}

.mt-5 {
  margin-top: var(--spacing-xl);
}

.py-1 {
  padding-top: var(--spacing-xs);
  padding-bottom: var(--spacing-xs);
}

.py-2 {
  padding-top: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
}

.py-3 {
  padding-top: var(--spacing-md);
  padding-bottom: var(--spacing-md);
}

.py-4 {
  padding-top: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
}

.py-5 {
  padding-top: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
}

.px-1 {
  padding-left: var(--spacing-xs);
  padding-right: var(--spacing-xs);
}

.px-2 {
  padding-left: var(--spacing-sm);
  padding-right: var(--spacing-sm);
}

.px-3 {
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
}

.px-4 {
  padding-left: var(--spacing-lg);
  padding-right: var(--spacing-lg);
}

.px-5 {
  padding-left: var(--spacing-xl);
  padding-right: var(--spacing-xl);
}

.d-flex {
  display: flex;
}

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

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

.justify-content-between {
  justify-content: space-between;
}

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

.w-100 {
  width: 100%;
}

.h-100 {
  height: 100%;
}