/* 
 * Portfolio Website - Clean CSS Architecture
 * Amir Salahshur - Modern, Performance-First Design System
 * 
 * Architecture: Mobile-first, component-based CSS with proper imports
 */

/* === FOUNDATION === */
@import 'variables.css';
@import 'base.css';

/* === LAYOUT === */
@import 'layout.css';
@import 'layout/grid.css';

/* === COMPONENTS === */
@import 'components/navigation.css';
@import 'components/buttons.css';
@import 'components/cards.css';
@import 'components/forms.css';

/* === FEATURES === */
@import 'language.css';
@import 'language-selector.css';

/* === UTILITIES === */
@import 'utilities.css';
@import 'animations.css';
@import 'responsive.css';

/* === CRITICAL PAGE STYLES === */

/* Hero Section */
.hero {
  min-height: calc(100vh - 80px);
  min-height: calc(100dvh - 80px);
  display: flex;
  align-items: center;
  padding: var(--space-8) 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 30% 20%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 70% 80%, rgba(99, 102, 241, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.hero-container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: center;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

@media (min-width: 768px) {
  .hero-container {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    padding: 0 var(--space-8);
  }
}

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

@media (min-width: 768px) {
  .hero-content {
    text-align: left;
  }
}

.hero-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-text-primary);
  margin-bottom: var(--space-6);
}

@media (min-width: 768px) {
  .hero-title {
    font-size: var(--font-size-5xl);
  }
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-8);
  max-width: 90%;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 768px) {
  .hero-subtitle {
    font-size: var(--font-size-xl);
    margin-left: 0;
    margin-right: 0;
  }
}

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

@media (min-width: 640px) {
  .hero-cta {
    flex-direction: row;
    justify-content: center;
  }
}

@media (min-width: 768px) {
  .hero-cta {
    justify-content: flex-start;
  }
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-avatar {
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--primary-800));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-2xl);
  position: relative;
  animation: float 3s ease-in-out infinite;
}

@media (min-width: 768px) {
  .hero-avatar {
    width: 300px;
    height: 300px;
  }
}

.hero-avatar::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--primary-800));
  z-index: -1;
  opacity: 0.3;
  animation: pulse 2s infinite;
}

.avatar-placeholder {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-inverse);
}

@media (min-width: 768px) {
  .avatar-placeholder {
    font-size: var(--font-size-5xl);
  }
}

/* Skills Section */
.skills-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.skill-item {
  position: relative;
}

.skill-name {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
  display: block;
}

.skill-bar {
  height: 8px;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.skill-progress {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--primary-400));
  border-radius: var(--radius-full);
  width: 0%;
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.skill-progress::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  animation: shimmer 2s infinite;
}

/* Contact Section */
.contact-methods {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.contact-method {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  padding: var(--space-6);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
  transition: all var(--transition-smooth);
}

.contact-method:hover {
  background: var(--color-bg-tertiary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.method-icon {
  font-size: var(--font-size-2xl);
  flex-shrink: 0;
}

.method-content h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.contact-link {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  text-decoration: none;
  display: block;
  margin-bottom: var(--space-1);
  transition: color var(--transition-fast);
}

.contact-link:hover {
  color: var(--color-primary-hover);
}

/* Footer */
.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border-light);
  padding: var(--space-12) 0;
  text-align: center;
  margin-top: var(--space-20);
}

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

.footer-quote {
  font-style: italic;
  margin-top: var(--space-2);
  opacity: 0.8;
}

/* Animations */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

@keyframes pulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.6; }
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* Scroll animations */
.scroll-animate {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-animate.visible {
  opacity: 1;
  transform: translateY(0);
}

.scroll-animate-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-animate-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.scroll-animate-right {
  opacity: 0;
  transform: translateX(50px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-animate-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Text effects */
.text-gradient {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Animation classes */
.animate-fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease forwards;
}

.animate-delay-200 { animation-delay: 0.2s; }
.animate-delay-300 { animation-delay: 0.3s; }
.animate-delay-400 { animation-delay: 0.4s; }

.animate-float {
  animation: float 3s ease-in-out infinite;
}

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

/* Loading states */
.loading {
  opacity: 0;
  transition: opacity 0.3s ease;
}

.loaded {
  opacity: 1;
}

/* Page transition overlay */
.page-transition {
  position: fixed;
  inset: 0;
  background: var(--color-bg-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-smooth);
}

.page-transition.active {
  opacity: 1;
  visibility: visible;
}

.spinner {
  display: inline-block;
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* RTL Support */
[dir="rtl"] .hero-content {
  text-align: center;
}

@media (min-width: 768px) {
  [dir="rtl"] .hero-content {
    text-align: right;
  }
}

[dir="rtl"] .hero-cta {
  justify-content: center;
}

@media (min-width: 768px) {
  [dir="rtl"] .hero-cta {
    justify-content: flex-end;
  }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  .hero-avatar {
    animation: none;
  }
  
  .scroll-animate,
  .scroll-animate-left,
  .scroll-animate-right {
    transition: none;
    opacity: 1;
    transform: none;
  }
  
  .animate-fade-in-up {
    animation: none;
    opacity: 1;
    transform: none;
  }
  
  .animate-float {
    animation: none;
  }
}