/* ============================================
   SECTIONS PART 2 — About, Skills, Projects,
   Education, Contact, Footer
   ============================================ */

/* ── ABOUT ── */
.about {
  background: var(--bg-secondary);
}

.about-grid {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.about-image-wrapper {
  position: relative;
}

.about-image {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: center 30%;
  border-radius: var(--radius-lg);
  filter: grayscale(100%);
  transition: filter var(--duration-slow) var(--ease-out);
}

.about-image-wrapper:hover .about-image {
  filter: grayscale(0%);
}

.about-image-border {
  position: absolute;
  inset: -8px;
  border: 1px solid var(--accent-border);
  border-radius: calc(var(--radius-lg) + 4px);
  transition: border-color var(--duration-normal) ease;
}

.about-image-wrapper:hover .about-image-border {
  border-color: var(--accent-border-hover);
}

.about-image-dot {
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--text-primary);
  border-radius: 50%;
  bottom: -4px;
  right: -4px;
}

.about-content {
  max-width: 600px;
}

.about-text {
  font-size: var(--fs-body);
  line-height: var(--lh-relaxed);
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

.about-stats {
  display: flex;
  gap: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-subtle);
}

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

.about-stat-number {
  font-family: var(--font-heading);
  font-size: var(--fs-h2);
  font-weight: var(--fw-bold);
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 4px;
}

.about-stat-label {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ── SKILLS ── */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--duration-normal) var(--ease-out);
}

.skill-category:hover {
  border-color: var(--accent-border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.skill-category-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
  background: var(--accent-glow);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.skill-category-title {
  font-family: var(--font-heading);
  font-size: var(--fs-h3);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.skill-category-desc {
  font-size: var(--fs-small);
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
  line-height: var(--lh-normal);
}

.skill-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--border-subtle);
}

.skill-item:last-child {
  border-bottom: none;
}

.skill-name {
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--text-primary);
}

.skill-bar-wrapper {
  width: 100px;
  height: 3px;
  background: var(--border-subtle);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.skill-bar {
  height: 100%;
  background: var(--text-primary);
  border-radius: var(--radius-full);
  width: 0;
  transition: width 1.2s var(--ease-out);
}

/* ── PROJECTS ── */
.projects {
  background: var(--bg-secondary);
}

.projects-coming-soon {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-3xl) 0;
  position: relative;
}

.projects-placeholder-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  width: 100%;
  max-width: 900px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0.15;
  filter: blur(3px);
  pointer-events: none;
}

.placeholder-card {
  aspect-ratio: 4/3;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}

.projects-coming-content {
  position: relative;
  z-index: 2;
}

.coming-soon-pulse {
  width: 80px;
  height: 80px;
  border: 1px solid var(--accent-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  position: relative;
  font-size: 1.5rem;
}

.coming-soon-pulse::before,
.coming-soon-pulse::after {
  content: '';
  position: absolute;
  border: 1px solid var(--accent-border);
  border-radius: 50%;
  animation: pulseBorder 2.5s ease-in-out infinite;
}

.coming-soon-pulse::before {
  inset: -10px;
}

.coming-soon-pulse::after {
  inset: -22px;
  animation-delay: 0.3s;
}

@keyframes pulseBorder {

  0%,
  100% {
    opacity: 0.3;
    transform: scale(1);
  }

  50% {
    opacity: 0;
    transform: scale(1.1);
  }
}

.coming-soon-title {
  font-family: var(--font-heading);
  font-size: var(--fs-h2);
  font-weight: var(--fw-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.coming-soon-text {
  font-size: var(--fs-body);
  color: var(--text-muted);
  max-width: 400px;
  line-height: var(--lh-relaxed);
}

/* ── EDUCATION ── */
.education-timeline {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
}

.education-timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 100%;
  background: linear-gradient(to bottom, transparent, var(--accent-border), var(--accent-border), transparent);
}

[dir="rtl"] .education-timeline::before {
  left: auto;
  right: 0;
}

.education-item {
  padding-left: var(--space-xl);
  padding-bottom: var(--space-2xl);
  position: relative;
}

[dir="rtl"] .education-item {
  padding-left: 0;
  padding-right: var(--space-xl);
}

.education-item:last-child {
  padding-bottom: 0;
}

.education-dot {
  position: absolute;
  left: -4px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 2px solid var(--text-muted);
  transition: all var(--duration-normal) ease;
}

[dir="rtl"] .education-dot {
  left: auto;
  right: -4px;
}

.education-item:hover .education-dot {
  background: var(--text-primary);
  border-color: var(--text-primary);
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.2);
}

.education-date {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-xs);
}

.education-degree {
  font-family: var(--font-heading);
  font-size: var(--fs-h3);
  font-weight: var(--fw-semibold);
  color: var(--text-primary);
  margin-bottom: 4px;
}

.education-school {
  font-size: var(--fs-body);
  color: var(--text-secondary);
  margin-bottom: var(--space-xs);
}

.education-desc {
  font-size: var(--fs-small);
  color: var(--text-muted);
  line-height: var(--lh-relaxed);
}

/* ── CONTACT ── */
.contact {
  background: var(--bg-secondary);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
}

.contact-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact-subtitle {
  font-size: var(--fs-body);
  color: var(--text-muted);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-xl);
}

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

.contact-link {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: all var(--duration-normal) var(--ease-out);
}

.contact-link:hover {
  border-color: var(--accent-border-hover);
  background: var(--accent-glow);
  transform: translateX(6px);
}

[dir="rtl"] .contact-link:hover {
  transform: translateX(-6px);
}

.contact-link-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.contact-link-info {
  display: flex;
  flex-direction: column;
}

.contact-link-label {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--text-muted);
}

.contact-link-value {
  font-size: var(--fs-small);
  color: var(--text-primary);
  font-weight: var(--fw-medium);
}

.contact-location {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-top: var(--space-xl);
  font-size: var(--fs-small);
  color: var(--text-muted);
}

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-group {
  position: relative;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--fs-small);
  transition: all var(--duration-normal) var(--ease-out);
  outline: none;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--accent-border-hover);
  background: var(--bg-card-hover);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
}

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

.form-label {
  position: absolute;
  top: -8px;
  left: 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--text-muted);
  background: var(--bg-card);
  padding: 0 6px;
  opacity: 0;
  transition: opacity var(--duration-fast) ease;
}

[dir="rtl"] .form-label {
  left: auto;
  right: 12px;
}

.form-input:focus~.form-label,
.form-textarea:focus~.form-label,
.form-input:not(:placeholder-shown)~.form-label,
.form-textarea:not(:placeholder-shown)~.form-label {
  opacity: 1;
}

.btn-submit {
  align-self: flex-start;
  padding: 16px 48px;
  min-width: 200px;
  justify-content: center;
}

[dir="rtl"] .btn-submit {
  align-self: flex-end;
}

.btn-submit:disabled {
  pointer-events: none;
  opacity: 0.85;
}

.btn-loading {
  background: var(--accent-glow) !important;
  border-color: var(--accent-border) !important;
  color: var(--text-primary) !important;
}

.btn-spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: var(--text-primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.btn-success {
  background: rgba(34, 197, 94, 0.15) !important;
  border-color: rgba(34, 197, 94, 0.5) !important;
  color: #22c55e !important;
}

.btn-error {
  background: rgba(239, 68, 68, 0.15) !important;
  border-color: rgba(239, 68, 68, 0.5) !important;
  color: #ef4444 !important;
}

/* ── FOOTER ── */
.footer {
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--border-subtle);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-copy {
  font-size: var(--fs-small);
  color: var(--text-muted);
}

.footer-back-top {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--duration-fast) ease;
}

.footer-back-top:hover {
  color: var(--text-primary);
}

.footer-back-top .arrow-up {
  transition: transform var(--duration-fast) var(--ease-out);
}

.footer-back-top:hover .arrow-up {
  transform: translateY(-3px);
}