/* ============================================
   SECTION STYLES
   Page-specific section styling
   ============================================ */

/* ============ Hero Section ============ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: var(--header-height);
}

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

.hero-gradient {
  position: absolute;
  inset: 0;
  background: var(--gradient-mesh);
  opacity: 0.6;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-container {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-12);
}

.hero-content {
  max-width: 900px;
}

.hero-label {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  margin-bottom: var(--space-6);
  opacity: 0;
  transform: translateY(20px);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
  margin-bottom: var(--space-8);
}

.hero-title-line {
  display: block;
  opacity: 0;
  transform: translateY(40px);
}

.hero-title-accent {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-10);
  opacity: 0;
  transform: translateY(20px);
}

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

.hero-cta {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  justify-content: center;
  opacity: 0;
  transform: translateY(20px);
}

.hero-scroll {
  position: absolute;
  bottom: var(--space-12);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  opacity: 0;
}

.scroll-text {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
}

.scroll-indicator {
  width: 2px;
  height: 48px;
  background: linear-gradient(180deg, var(--color-primary), transparent);
  border-radius: var(--radius-full);
  animation: scroll-bounce 2s ease-in-out infinite;
}

@keyframes scroll-bounce {
  0%, 100% {
    transform: translateY(0);
    opacity: 1;
  }
  50% {
    transform: translateY(16px);
    opacity: 0.5;
  }
}

/* ============ About Section ============ */

.about {
  background: var(--color-bg-primary);
  position: relative;
  padding: var(--space-20) 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
}

@media (min-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-16);
  }
}

.about-image-wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.about-image {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  aspect-ratio: 3 / 4;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-image::before {
  content: 'SP';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 140px;
  font-weight: var(--font-bold);
  font-family: var(--font-display);
  color: rgba(255, 255, 255, 0.95);
  text-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
  letter-spacing: 10px;
  z-index: 1;
}

.about-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.1), transparent);
  z-index: 2;
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
  position: relative;
  z-index: 3;
}

.about-image:hover img {
  transform: scale(1.05);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.stat-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  transition: all var(--transition-base);
}

.stat-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
}

.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  line-height: 1;
}

.stat-number::after {
  content: '+';
}

.stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.about-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.about-heading {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  line-height: var(--leading-tight);
}

.about-text {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
}

.about-text strong {
  color: var(--color-text-primary);
  font-weight: var(--font-semibold);
}

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

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

.highlight-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  stroke: var(--color-primary);
}

/* ============ Skills Section ============ */

.skills {
  background: var(--color-bg-secondary);
  position: relative;
  padding: var(--space-20) 0;
}

.skills-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-top: var(--space-12);
}

@media (min-width: 768px) {
  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .skills-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.skill-card {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  position: relative;
  overflow: hidden;
}

/* Premium gradient overlay on hover */
.skill-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at top right,
    rgba(0, 102, 255, 0.08),
    transparent 70%
  );
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
  z-index: 0;
}

.skill-card:hover::before {
  opacity: 1;
}

.skill-card:hover {
  transform: translateY(-12px) scale(1.02);
  border-color: var(--color-primary);
  box-shadow:
    0 20px 40px rgba(0, 102, 255, 0.15),
    0 0 60px rgba(0, 102, 255, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.skill-icon {
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.15), rgba(var(--color-primary-rgb), 0.05));
  border-radius: var(--radius-xl);
  padding: var(--space-4);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 12px rgba(0, 102, 255, 0.1);
  border: 2px solid rgba(var(--color-primary-rgb), 0.2);
}

.skill-card:hover .skill-icon {
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.25), rgba(0, 212, 255, 0.2));
  transform: scale(1.15) rotate(5deg);
  box-shadow: 0 12px 24px rgba(0, 102, 255, 0.3);
  border-color: rgba(0, 212, 255, 0.5);
}

.skill-icon svg {
  width: 100%;
  height: 100%;
  stroke: var(--color-primary);
  stroke-width: 2;
  transition: all 0.3s ease;
}

.skill-card:hover .skill-icon svg {
  stroke: var(--color-accent);
  filter: drop-shadow(0 0 12px rgba(0, 212, 255, 0.6));
  stroke-width: 2.5;
}

.skill-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  position: relative;
  z-index: 1;
}

.skill-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  position: relative;
  z-index: 1;
}

.skill-list li {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  padding-left: var(--space-6);
  position: relative;
  transition: all 0.3s ease;
}

.skill-card:hover .skill-list li {
  color: var(--color-text-primary);
  transform: translateX(4px);
}

/* Stagger animation for list items on hover */
.skill-card:hover .skill-list li:nth-child(1) { transition-delay: 0.05s; }
.skill-card:hover .skill-list li:nth-child(2) { transition-delay: 0.1s; }
.skill-card:hover .skill-list li:nth-child(3) { transition-delay: 0.15s; }
.skill-card:hover .skill-list li:nth-child(4) { transition-delay: 0.2s; }
.skill-card:hover .skill-list li:nth-child(5) { transition-delay: 0.25s; }
.skill-card:hover .skill-list li:nth-child(6) { transition-delay: 0.3s; }

.skill-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 4px;
  background: var(--color-primary);
  border-radius: 50%;
  transition: all 0.3s ease;
}

.skill-card:hover .skill-list li::before {
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  box-shadow: 0 0 8px rgba(0, 212, 255, 0.6);
}

/* ============ Projects Section ============ */

.projects {
  background: var(--color-bg-primary);
  padding: var(--space-20) 0;
}

.project-filters {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  margin-bottom: var(--space-12);
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.filter-btn:hover {
  color: var(--color-text-primary);
  border-color: var(--color-border-hover);
}

.filter-btn.active {
  color: var(--color-text-inverse);
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.project-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.project-card::after {
  content: '';
  position: absolute;
  inset: -1px;
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-accent)
  );
  border-radius: var(--radius-xl);
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: -1;
  pointer-events: none;
}

.project-card:hover {
  transform: translateY(-12px) scale(1.01);
  border-color: transparent;
  box-shadow:
    0 20px 50px rgba(0, 102, 255, 0.2),
    0 0 80px rgba(0, 102, 255, 0.1);
}

.project-card:hover::after {
  opacity: 0.6;
}

.project-image {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--color-bg-tertiary);
}

/* Beautiful CSS Gradient placeholders for each project */
.project-card:nth-child(1) .project-image {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-card:nth-child(1) .project-image::after {
  content: '⚖️';
  font-size: 80px;
  position: absolute;
  z-index: 3;
  animation: floatIcon 3s ease-in-out infinite;
  filter: drop-shadow(0 10px 20px rgba(0,0,0,0.3));
}

.project-card:nth-child(2) .project-image {
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-card:nth-child(2) .project-image::after {
  content: '💼';
  font-size: 80px;
  position: absolute;
  z-index: 3;
  animation: floatIcon 3s ease-in-out infinite 0.5s;
  filter: drop-shadow(0 10px 20px rgba(0,0,0,0.3));
}

.project-card:nth-child(3) .project-image {
  background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-card:nth-child(3) .project-image::after {
  content: '🎨';
  font-size: 80px;
  position: absolute;
  z-index: 3;
  animation: floatIcon 3s ease-in-out infinite 1s;
  filter: drop-shadow(0 10px 20px rgba(0,0,0,0.3));
}

.project-card:nth-child(4) .project-image {
  background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-card:nth-child(4) .project-image::after {
  content: '🎤';
  font-size: 80px;
  position: absolute;
  z-index: 3;
  animation: floatIcon 3s ease-in-out infinite 1.5s;
  filter: drop-shadow(0 10px 20px rgba(0,0,0,0.3));
}

.project-card:nth-child(5) .project-image {
  background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-card:nth-child(5) .project-image::after {
  content: '📊';
  font-size: 80px;
  position: absolute;
  z-index: 3;
  animation: floatIcon 3s ease-in-out infinite 2s;
  filter: drop-shadow(0 10px 20px rgba(0,0,0,0.3));
}

.project-card:nth-child(6) .project-image {
  background: linear-gradient(135deg, #30cfd0 0%, #330867 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-card:nth-child(6) .project-image::after {
  content: '🤖';
  font-size: 80px;
  position: absolute;
  z-index: 3;
  animation: floatIcon 3s ease-in-out infinite 2.5s;
  filter: drop-shadow(0 10px 20px rgba(0,0,0,0.3));
}

@keyframes floatIcon {
  0%, 100% {
    transform: translateY(0px) scale(1);
  }
  50% {
    transform: translateY(-15px) scale(1.05);
  }
}

/* Add subtle pattern overlay to gradients */
.project-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 10px,
      rgba(255,255,255,0.03) 10px,
      rgba(255,255,255,0.03) 20px
    );
  opacity: 0.5;
  pointer-events: none;
  z-index: 1;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  z-index: 2;
}

.project-card:hover .project-image img {
  transform: scale(1.08);
}

/* Enhanced gradient animation on hover */
.project-card:hover .project-image::before {
  opacity: 0.7;
  animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
  0%, 100% {
    opacity: 0.7;
  }
  50% {
    opacity: 0.5;
  }
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-link {
  width: 56px;
  height: 56px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
}

.project-link:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-glow);
}

.project-link svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-text-inverse);
}

.project-content {
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.project-tags {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.project-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  line-height: var(--leading-snug);
}

.project-description {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
}

.project-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  margin-top: auto;
}

.meta-divider {
  color: var(--color-border);
}

/* Placeholder Project Cards */
.project-placeholder .project-image {
  background: linear-gradient(135deg, var(--color-bg-tertiary) 0%, var(--color-bg-secondary) 100%);
}

.placeholder-image {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg,
    rgba(var(--color-primary-rgb), 0.1) 0%,
    rgba(var(--color-primary-rgb), 0.05) 100%);
}

.placeholder-icon {
  width: 64px;
  height: 64px;
  stroke: var(--color-primary);
  opacity: 0.3;
}

.project-placeholder .project-overlay {
  opacity: 1;
  background: rgba(0, 0, 0, 0.4);
}

.coming-soon-badge {
  padding: var(--space-3) var(--space-6);
  background: rgba(var(--color-primary-rgb), 0.9);
  color: var(--color-text-inverse);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  border-radius: var(--radius-full);
  backdrop-filter: blur(8px);
}

.project-placeholder:hover .coming-soon-badge {
  background: var(--color-accent);
  transform: scale(1.05);
}

.project-placeholder .project-title {
  color: var(--color-text-secondary);
}

.project-placeholder .project-description {
  color: var(--color-text-tertiary);
}

/* ============ Process Section ============ */

.process {
  background: var(--color-bg-secondary);
  padding: var(--space-20) 0;
}

.process-timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-top: var(--space-12);
}

@media (min-width: 768px) {
  .process-timeline {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .process-timeline {
    grid-template-columns: repeat(4, 1fr);
  }
}

.process-step {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.step-number {
  font-family: var(--font-display);
  font-size: var(--text-6xl);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  opacity: 0.2;
  line-height: 1;
}

.step-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  line-height: var(--leading-snug);
}

.step-description {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
}

/* ============ Contact Section ============ */

.contact {
  background: var(--color-bg-primary);
  position: relative;
  padding: var(--space-20) 0;
}

.contact-wrapper {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

.contact-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.contact-text {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contact-method {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-text-primary);
  transition: all var(--transition-base);
}

.contact-method:hover {
  border-color: var(--color-primary);
  transform: translateX(8px);
}

.contact-icon {
  width: 24px;
  height: 24px;
  stroke: var(--color-primary);
  flex-shrink: 0;
}

.social-links {
  display: flex;
  gap: var(--space-4);
}

.social-link {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.social-link svg {
  width: 20px;
  height: 20px;
  fill: var(--color-text-secondary);
  transition: fill var(--transition-fast);
}

.social-link:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  transform: translateY(-4px);
}

.social-link:hover svg {
  fill: var(--color-text-inverse);
}

.contact-cta-wrapper {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

@media (max-width: 767px) {
  .contact-cta-wrapper {
    flex-direction: column;
  }

  .contact-cta-wrapper .btn {
    width: 100%;
  }
}

/* ============ Footer ============ */

.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--space-12) 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-6);
}

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

@media (max-width: 767px) {
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}