/* ==========================================================================
   Main CSS - Import Aggregator
   Personal Portfolio - Mostafa Ashraf
   ========================================================================== */

/* CSS Architecture:
   1. Variables - CSS custom properties for theming
   2. Reset - Modern CSS reset for consistent base
   3. Typography - Font imports and type scale
   4. Layout - Grid, flexbox, and spacing utilities
   5. Components - Buttons, cards, badges, etc.
   6. Animations - CSS-only animations and transitions
*/

@import '_variables.css';
@import '_reset.css';
@import '_typography.css';
@import '_layout.css';
@import '_components.css';
@import '_animations.css';

/* ==========================================================================
   Page-Specific Styles
   ========================================================================== */

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding-top: 72px;
  overflow: hidden;
}

.hero-content {
  text-align: center;
  max-width: 800px;
  z-index: 1;
}

.hero-greeting {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-4);
}

.hero-name {
  font-size: var(--font-size-6xl);
  font-weight: var(--font-weight-extrabold);
  margin-bottom: var(--spacing-4);
  line-height: 1.1;
}

.hero-title {
  font-size: var(--font-size-2xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-6);
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--color-text-tertiary);
  max-width: 600px;
  margin: 0 auto var(--spacing-8);
  line-height: var(--line-height-relaxed);
}

.hero-cta {
  display: flex;
  gap: var(--spacing-4);
  justify-content: center;
  flex-wrap: wrap;
}

.hero-background {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-gradient-orb {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.15;
}

.hero-gradient-orb-1 {
  background: var(--color-accent-primary);
  top: -200px;
  right: -200px;
}

.hero-gradient-orb-2 {
  background: var(--color-accent-secondary);
  bottom: -200px;
  left: -200px;
}

@media (max-width: 768px) {
  .hero-name {
    font-size: var(--font-size-4xl);
  }

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

  .hero-description {
    font-size: var(--font-size-base);
  }
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-12);
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image img {
  border-radius: var(--radius-2xl);
  width: 100%;
}

.about-image::before {
  content: '';
  position: absolute;
  inset: -10px;
  border: 2px solid var(--color-accent-primary);
  border-radius: var(--radius-2xl);
  opacity: 0.3;
  z-index: -1;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-6);
  margin-top: var(--spacing-8);
}

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

.about-stat-number {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  margin-top: var(--spacing-1);
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
  }

  .about-stats {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Tech Stack Section */
.tech-category {
  margin-bottom: var(--spacing-8);
}

.tech-category:last-child {
  margin-bottom: 0;
}

.tech-category-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-tertiary);
  margin-bottom: var(--spacing-4);
}

.tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-3);
}

/* Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-6);
}

@media (max-width: 768px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }
}

.project-card {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
}

.project-card:hover {
  border-color: var(--color-accent-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.project-card-header-visual {
  background: var(--color-accent-gradient);
  padding: var(--spacing-8) var(--spacing-6);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-3);
  position: relative;
  overflow: hidden;
}

.project-card-header-visual::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 20%, rgba(255,255,255,0.1) 0%, transparent 50%);
  pointer-events: none;
}

.project-card-icon {
  color: white;
  opacity: 0.95;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: rgba(255,255,255,0.15);
  border-radius: var(--radius-xl);
  transition: transform var(--transition-base);
}

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

.project-card-category {
  color: rgba(255,255,255,0.9);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.project-card-content {
  padding: var(--spacing-6);
}

.project-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--spacing-3);
}

.project-card-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
}

.project-card-company {
  font-size: var(--font-size-sm);
  color: var(--color-accent-primary);
  margin-bottom: var(--spacing-3);
}

.project-card-description {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-4);
}

.project-card-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-4);
}

.project-card-tech-tag {
  font-size: var(--font-size-xs);
  padding: var(--spacing-1) var(--spacing-2);
  background-color: var(--color-bg-tertiary);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
}

.project-card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-accent-primary);
  transition: gap var(--transition-fast);
}

.project-card-link:hover {
  gap: var(--spacing-3);
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-12);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-6);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
}

.contact-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background-color: var(--color-bg-tertiary);
  color: var(--color-accent-primary);
}

.contact-icon svg {
  width: 24px;
  height: 24px;
}

.contact-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

.contact-value {
  font-weight: var(--font-weight-medium);
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
  }
}

/* Scroll to top button */
.scroll-top {
  position: fixed;
  bottom: var(--spacing-6);
  right: var(--spacing-6);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-gradient);
  border-radius: var(--radius-full);
  color: white;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: var(--z-fixed);
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.scroll-top svg {
  width: 24px;
  height: 24px;
}

/* Project Detail Page */
.project-hero {
  padding-top: calc(72px + var(--spacing-16));
  padding-bottom: var(--spacing-16);
}

.project-hero-content {
  max-width: 800px;
}

.project-back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-6);
  transition: color var(--transition-fast);
}

.project-back-link:hover {
  color: var(--color-text-primary);
}

.project-detail-title {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--spacing-4);
}

.project-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-6);
  margin-bottom: var(--spacing-8);
}

.project-meta-item {
  display: flex;
  flex-direction: column;
}

.project-meta-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.project-meta-value {
  font-weight: var(--font-weight-medium);
}

.project-detail-section {
  margin-bottom: var(--spacing-12);
}

.project-detail-section h2 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-4);
}

.project-tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
}

.project-highlight-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.project-highlight-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  color: var(--color-text-secondary);
}

.project-highlight-item::before {
  content: '';
  width: 6px;
  height: 6px;
  margin-top: 8px;
  border-radius: var(--radius-full);
  background: var(--color-accent-gradient);
  flex-shrink: 0;
}