/* 
   Atlas Creative - Modern Dark Theme
   Main Stylesheet
*/

/* ===== Base & Reset ===== */
:root {
  /* Colors */
  --color-background: #0a0a0a;
  --color-surface: #121212;
  --color-surface-2: #1e1e1e;
  --color-primary: #6b46fe;
  --color-primary-light: #9b7aff;
  --color-secondary: #00d9ff;
  --color-text: #ffffff;
  --color-text-muted: #b0b0b0;
  --color-border: #2a2a2a;
  --color-success: #4CAF50;
  --color-warning: #FF9800;
  --color-error: #F44336;
  
  /* Typography */
  --font-primary: 'Montserrat', sans-serif;
  --font-secondary: 'Poppins', sans-serif;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 5rem;
  
  /* Other */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
  --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 6px 10px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.2);
  --transition: all 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--space-sm);
}

h1 {
  font-size: 3.5rem;
  font-weight: 700;
}

h2 {
  font-size: 2.5rem;
}

h3 {
  font-size: 1.75rem;
}

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

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

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

ul, ol {
  list-style: none;
}

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

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

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

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

.section-subtitle {
  font-family: var(--font-primary);
  color: var(--color-primary);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 500;
  display: block;
  margin-bottom: var(--space-xs);
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: var(--space-sm);
  position: relative;
  padding-bottom: var(--space-sm);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
}

.section-description {
  max-width: 700px;
  margin: 0 auto;
  font-size: 1.1rem;
  color: var(--color-text-muted);
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 0.9rem 1.8rem;
  border-radius: var(--border-radius-md);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1;
}

.btn-primary {
  background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
  color: white;
  box-shadow: 0 4px 15px rgba(107, 70, 254, 0.4);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(107, 70, 254, 0.6);
  color: white;
}

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

.btn-outline:hover {
  background-color: var(--color-primary);
  color: white;
  transform: translateY(-3px);
}

/* ===== Header & Navigation ===== */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(10px);
  transition: var(--transition);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

header.scrolled {
  padding: 15px 0;
  background-color: rgba(10, 10, 10, 0.95);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
}

.logo a {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-text);
  font-family: var(--font-secondary);
}

.logo a span {
  color: var(--color-primary);
}

.nav-menu {
  display: flex;
}

.nav-menu li {
  margin-left: var(--space-md);
}

.nav-menu li a {
  font-weight: 500;
  font-size: 1rem;
  position: relative;
  padding: 0.5rem 0;
}

.nav-menu li a:before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
  transition: var(--transition);
}

.nav-menu li a:hover:before,
.nav-menu li a.active:before {
  width: 100%;
}

.nav-toggle {
  display: none;
  cursor: pointer;
  width: 30px;
  height: 21px;
  position: relative;
  z-index: 2000;
}

.nav-toggle span {
  display: block;
  position: absolute;
  height: 3px;
  width: 100%;
  background: var(--color-text);
  border-radius: 3px;
  opacity: 1;
  left: 0;
  transform: rotate(0deg);
  transition: .25s ease-in-out;
}

.nav-toggle span:nth-child(1) {
  top: 0px;
}

.nav-toggle span:nth-child(2) {
  top: 9px;
}

.nav-toggle span:nth-child(3) {
  top: 18px;
}

.nav-toggle.open span:nth-child(1) {
  top: 9px;
  transform: rotate(135deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
  left: -60px;
}

.nav-toggle.open span:nth-child(3) {
  top: 9px;
  transform: rotate(-135deg);
}

/* ===== Hero Section ===== */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  background-image: url('../images/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.6));
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-content h1 {
  margin-bottom: var(--space-md);
  animation: fadeInUp 1s ease-out;
  background: linear-gradient(to right, var(--color-text), var(--color-primary-light));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-content p {
  font-size: 1.2rem;
  margin-bottom: var(--space-lg);
  animation: fadeInUp 1s 0.3s ease-out both;
  color: var(--color-text-muted);
}

.hero-buttons {
  display: flex;
  gap: var(--space-md);
  animation: fadeInUp 1s 0.6s ease-out both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== Services Section ===== */
.services {
  background-color: var(--color-surface);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.service-card {
  background-color: var(--color-surface-2);
  border-radius: var(--border-radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border: 1px solid var(--color-border);
  text-align: center;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}

.service-icon {
  margin-bottom: var(--space-md);
  width: 80px;
  height: 80px;
  line-height: 80px;
  border-radius: 50%;
  background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
  margin: 0 auto var(--space-md);
  text-align: center;
  box-shadow: 0 10px 20px rgba(107, 70, 254, 0.3);
}

.service-icon i {
  font-size: 2rem;
  color: white;
}

.service-card h3 {
  margin-bottom: var(--space-sm);
  font-size: 1.4rem;
}

.service-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* ===== About Section ===== */
.about {
  background-color: var(--color-background);
}

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

.about-image {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
}

.about-image::before {
  content: '';
  position: absolute;
  top: -30px;
  left: -30px;
  width: 100%;
  height: 100%;
  border: 2px solid var(--color-primary);
  border-radius: var(--border-radius-lg);
  z-index: -1;
}

.about-image img {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

.stats-container {
  display: flex;
  margin: var(--space-lg) 0;
  gap: var(--space-lg);
}

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

.stat-item h3 {
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-bottom: 0;
}

.stat-item p {
  margin-bottom: 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* ===== Portfolio Section ===== */
.portfolio {
  background-color: var(--color-surface);
}

.portfolio-filter {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-lg);
}

.filter-btn {
  background: var(--color-surface-2);
  color: var(--color-text-muted);
  border: none;
  padding: 0.5rem 1.5rem;
  margin: 0 5px 10px;
  border-radius: 30px;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-primary);
  font-size: 0.9rem;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--color-primary);
  color: white;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-md);
}

.portfolio-item {
  position: relative;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.portfolio-img {
  height: 250px;
  overflow: hidden;
}

.portfolio-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.portfolio-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(10, 10, 10, 0.9);
  padding: var(--space-md);
  transform: translateY(100%);
  transition: var(--transition);
}

.portfolio-item:hover .portfolio-img img {
  transform: scale(1.1);
}

.portfolio-item:hover .portfolio-info {
  transform: translateY(0);
}

.portfolio-info h3 {
  margin-bottom: 5px;
  font-size: 1.3rem;
}

.portfolio-info p {
  color: var(--color-primary-light);
  margin-bottom: var(--space-xs);
  font-size: 0.9rem;
}

.portfolio-link {
  display: inline-block;
  width: 40px;
  height: 40px;
  line-height: 40px;
  text-align: center;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  transition: var(--transition);
}

.portfolio-link:hover {
  background: var(--color-secondary);
  color: white;
  transform: scale(1.1);
}

/* ===== Testimonials Section ===== */
.testimonials {
  background-color: var(--color-background);
}

.testimonial-slider {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.testimonial-item {
  background-color: var(--color-surface-2);
  border-radius: var(--border-radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border: 1px solid var(--color-border);
}

.testimonial-item:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}

.testimonial-content {
  margin-bottom: var(--space-md);
  position: relative;
}

.testimonial-content::before {
  content: '"';
  font-family: serif;
  font-size: 5rem;
  position: absolute;
  top: -20px;
  left: -15px;
  color: var(--color-primary);
  opacity: 0.2;
}

.testimonial-content p {
  font-style: italic;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

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

.testimonial-author img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  margin-right: var(--space-md);
  border: 3px solid var(--color-primary);
}

.author-info h4 {
  margin-bottom: 0;
}

.author-info p {
  color: var(--color-primary-light);
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* ===== Contact Section ===== */
.contact {
  background-color: var(--color-surface);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: var(--space-lg);
}

.contact-icon {
  width: 60px;
  height: 60px;
  background: var(--color-surface-2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: var(--space-md);
  border: 1px solid var(--color-border);
  color: var(--color-primary);
  font-size: 1.5rem;
}

.contact-text h3 {
  margin-bottom: 5px;
  font-size: 1.2rem;
}

.contact-text p {
  margin-bottom: 0;
  color: var(--color-text-muted);
}

.social-links {
  display: flex;
  gap: 10px;
  margin-top: var(--space-md);
}

.social-link {
  width: 40px;
  height: 40px;
  background: var(--color-surface-2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  border: 1px solid var(--color-border);
}

.social-link:hover {
  background: var(--color-primary);
  color: white;
  transform: scale(1.1);
}

.contact-form {
  background: var(--color-surface-2);
  padding: var(--space-lg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

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

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  color: var(--color-text);
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(107, 70, 254, 0.2);
}

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

/* ===== Payment Section ===== */
.payment {
  background-color: var(--color-background);
}

.payment-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.payment-features {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-md);
  margin: var(--space-lg) 0;
}

.payment-feature {
  text-align: center;
  padding: var(--space-md);
  background: var(--color-surface-2);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--color-border);
}

.payment-feature i {
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.payment-feature h3 {
  font-size: 1.1rem;
  margin-bottom: var(--space-xs);
}

.payment-feature p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

.payment-badges {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-lg);
  align-items: center;
}

.payment-badges img {
  height: 50px;
  filter: grayscale(1) brightness(1.5);
  transition: var(--transition);
}

.payment-badges img:hover {
  filter: grayscale(0);
}

.payment-action {
  text-align: center;
  padding: var(--space-lg);
  background: var(--color-surface-2);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border);
}

/* ===== Footer ===== */
footer {
  background-color: #080808;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-xl);
  padding-bottom: var(--space-xl);
}

.footer-logo a {
  font-size: 1.8rem;
  margin-bottom: var(--space-sm);
  display: inline-block;
}

.footer-social {
  margin-top: var(--space-md);
  display: flex;
  gap: 10px;
}

.footer-col h3 {
  font-size: 1.2rem;
  margin-bottom: var(--space-md);
  position: relative;
  padding-bottom: var(--space-xs);
}

.footer-col h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--color-primary);
}

.footer-col ul li {
  margin-bottom: var(--space-xs);
}

.footer-col ul li a {
  color: var(--color-text-muted);
  transition: var(--transition);
}

.footer-col ul li a:hover {
  color: var(--color-primary);
  padding-left: 5px;
}

.footer-form {
  position: relative;
  margin-top: var(--space-md);
}

.footer-form input {
  width: 100%;
  padding: 12px 15px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  color: var(--color-text);
  font-family: var(--font-primary);
}

.footer-form input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.footer-form button {
  position: absolute;
  right: 5px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--color-primary);
  color: white;
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition);
}

.footer-form button:hover {
  background: var(--color-secondary);
}

.footer-bottom {
  padding: var(--space-md) 0;
  text-align: center;
  border-top: 1px solid var(--color-border);
}

.footer-bottom p {
  margin-bottom: 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* ===== Back to Top Button ===== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--color-secondary);
  transform: translateY(-5px);
  color: white;
}

/* ===== Responsive Design ===== */
@media (max-width: 992px) {
  html {
    font-size: 15px;
  }
  
  h1 {
    font-size: 2.8rem;
  }
  
  h2 {
    font-size: 2.2rem;
  }
  
  .about-content,
  .contact-content,
  .payment-content {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .about-image::before {
    display: none;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 14px;
  }
  
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  section {
    padding: var(--space-xl) 0;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 250px;
    height: 100vh;
    background-color: var(--color-surface);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: 0.5s;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.2);
    z-index: 100;
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .nav-menu li {
    margin: var(--space-sm) 0;
  }
  
  .nav-toggle {
    display: block;
  }
  
  .hero-content h1 {
    font-size: 2.2rem;
  }
  
  .hero-content p {
    font-size: 1rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: var(--space-sm);
  }
  
  .services-grid,
  .portfolio-grid,
  .testimonial-slider {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .payment-features {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 576px) {
  .section-title {
    font-size: 1.8rem;
  }
  
  .nav-menu {
    width: 100%;
  }
  
  .hero {
    height: 80vh;
  }
  
  .payment-badges {
    flex-direction: column;
  }
}