/* ============================================================
   INNER PAGES CSS
   ============================================================ */

/* ── About Page ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--sp8);
  align-items: start;
}

.about-img-wrap {
  position: relative;
}

.about-img {
  width: 100%;
  border-radius: var(--r-xl);
  border: 2px solid var(--border);
  box-shadow: var(--shadow), var(--glow);
}

.about-img-badge {
  position: absolute;
  bottom: 24px;
  right: -16px;
  background: var(--gradient);
  padding: 12px 20px;
  border-radius: var(--r-md);
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  box-shadow: 0 8px 30px rgba(124, 58, 237, 0.4);
}

.about-content h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: var(--sp3);
}

.about-content p {
  color: var(--text-muted);
  line-height: 1.9;
  margin-bottom: var(--sp3);
}

.about-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp2);
  margin: var(--sp4) 0;
}

.info-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.info-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  font-family: var(--font-mono);
}

.info-val {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text);
}

/* Timeline */
.timeline-section {
  padding: var(--sp10) 0;
  background: var(--bg2);
}

.timeline {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 24px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary), var(--accent), transparent);
}

.timeline-item {
  display: flex;
  gap: var(--sp4);
  padding: 0 0 var(--sp5) var(--sp6);
  position: relative;
}

.timeline-dot {
  position: absolute;
  left: 16px;
  top: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--gradient);
  border: 3px solid var(--bg2);
  box-shadow: 0 0 15px rgba(124, 58, 237, 0.5);
  flex-shrink: 0;
}

.timeline-content {
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border2);
  border-radius: var(--r-md);
  padding: var(--sp3);
  flex: 1;
  transition: border-color var(--t-med);
}

.timeline-content:hover {
  border-color: var(--border);
}

.timeline-year {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 4px;
}

.timeline-title {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 4px;
}

.timeline-org {
  font-size: 0.85rem;
  color: var(--primary-light);
  margin-bottom: 6px;
}

.timeline-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ── Projects Page ── */
.projects-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp2);
  justify-content: center;
  margin-bottom: var(--sp6);
}

.filter-btn {
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  border: 1.5px solid var(--border2);
  color: var(--text-muted);
  background: transparent;
  transition: all var(--t-fast);
  font-family: var(--font-body);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--gradient);
  border-color: transparent;
  color: #fff;
}

.projects-section-label {
  display: flex;
  align-items: center;
  gap: var(--sp2);
  margin-bottom: var(--sp4);
  font-size: 1.2rem;
  font-weight: 700;
}

.section-label-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gradient);
}

.section-label-dot.in-dev {
  background: linear-gradient(135deg, #f59e0b, #ef4444);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--sp4);
  margin-bottom: var(--sp8);
}

.project-card {
  overflow: hidden;
}

.project-card-img {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.project-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.project-card:hover .project-card-img img {
  transform: scale(1.06);
}

.project-status-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 700;
  backdrop-filter: blur(8px);
}

.badge-live {
  background: rgba(16, 185, 129, 0.85);
  color: #fff;
}

.badge-dev {
  background: rgba(245, 158, 11, 0.85);
  color: #fff;
}

.project-card-body {
  padding: var(--sp3);
}

.project-card-body .project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: var(--sp2);
}

.project-card-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.project-card-body p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: var(--sp3);
}

.project-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--sp2);
  border-top: 1px solid var(--border2);
}

.tech-stack {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-faint);
}

.project-actions {
  display: flex;
  gap: 10px;
}

.project-actions a {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.8rem;
  transition: all var(--t-fast);
}

.project-actions a:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* ── Skills Page ── */
.skills-categories {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--sp4);
}

.skill-category-card {
  padding: var(--sp4);
}

.skill-category-header {
  display: flex;
  align-items: center;
  gap: var(--sp2);
  margin-bottom: var(--sp3);
}

.skill-cat-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--r-sm);
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: #fff;
}

.skill-cat-title {
  font-size: 1rem;
  font-weight: 700;
}

.skill-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp2);
}

.skill-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.skill-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.skill-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
}

.skill-pct {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 600;
}

.skill-bar {
  height: 4px;
  background: var(--bg3);
  border-radius: 4px;
  overflow: hidden;
}

.skill-bar-fill {
  height: 100%;
  border-radius: 4px;
  background: var(--gradient);
  width: 0%;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.skills-cloud-section {
  padding: var(--sp8) 0;
}

.skills-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp2);
  justify-content: center;
}

.skill-pill {
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--card-bg);
  border: 1px solid var(--border2);
  color: var(--text-muted);
  transition: all var(--t-fast);
  cursor: default;
}

.skill-pill:hover {
  background: rgba(124, 58, 237, 0.15);
  border-color: var(--primary);
  color: var(--text);
  transform: translateY(-2px);
}

/* ── Achievements ── */
.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--sp4);
}

.achievement-card {
  padding: var(--sp4);
  position: relative;
  overflow: hidden;
}

.achievement-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--gradient);
  border-radius: 4px 0 0 4px;
}

.achievement-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--r-md);
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.2), rgba(6, 182, 212, 0.2));
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: var(--sp3);
}

.achievement-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.achievement-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: var(--sp2);
}

.achievement-date {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
}

/* Achievements cert image */
.cert-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: var(--r-sm);
  margin-bottom: var(--sp2);
}

/* ── Research Page ── */
.research-grid {
  display: flex;
  flex-direction: column;
  gap: var(--sp4);
  max-width: 820px;
  margin: 0 auto;
}

.research-card {
  padding: var(--sp4);
  display: flex;
  gap: var(--sp4);
}

.research-num {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  flex-shrink: 0;
  line-height: 1;
  margin-top: 4px;
}

.research-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.research-body p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: var(--sp2);
}

.research-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp2);
  align-items: center;
}

.research-badge {
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 600;
}

.badge-published {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-review {
  background: rgba(245, 158, 11, 0.15);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.research-link {
  font-size: 0.8rem;
  color: var(--primary-light);
  display: flex;
  align-items: center;
  gap: 5px;
  transition: color var(--t-fast);
  margin-left: auto;
}

.research-link:hover {
  color: var(--accent);
}

/* ── Blog Page ── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--sp4);
}

.blog-card {
  overflow: hidden;
}

.blog-card-img {
  aspect-ratio: 16/9;
  overflow: hidden;
}

.blog-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.blog-card:hover .blog-card-img img {
  transform: scale(1.05);
}

.blog-card-body {
  padding: var(--sp3);
}

.blog-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--sp2);
}

.blog-cat {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  font-family: var(--font-mono);
}

.blog-date {
  font-size: 0.75rem;
  color: var(--text-faint);
  font-family: var(--font-mono);
}

.blog-card-body h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.4;
}

.blog-card-body p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: var(--sp3);
}

.blog-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--sp2);
  border-top: 1px solid var(--border2);
}

.blog-read-time {
  font-size: 0.75rem;
  color: var(--text-faint);
  font-family: var(--font-mono);
}

.read-more {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary-light);
  display: flex;
  align-items: center;
  gap: 5px;
  transition: gap var(--t-fast), color var(--t-fast);
}

.read-more:hover {
  color: var(--accent);
  gap: 8px;
}

/* ── Testimonials Page ── */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--sp4);
}

.testimonial-card {
  padding: var(--sp4);
  position: relative;
}

.testimonial-quote {
  font-size: 3rem;
  line-height: 1;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--sp2);
  font-family: Georgia, serif;
}

.testimonial-text {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: var(--sp3);
  font-style: italic;
}

.testimonial-stars {
  color: #f59e0b;
  font-size: 0.8rem;
  margin-bottom: var(--sp3);
  letter-spacing: 2px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--sp2);
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border);
}

.testimonial-author-info h4 {
  font-size: 0.9rem;
  font-weight: 700;
}

.testimonial-author-info p {
  font-size: 0.78rem;
  color: var(--text-faint);
}

/* ── Contact Page ── */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--sp8);
  align-items: start;
}

.contact-info h2 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: var(--sp3);
}

.contact-info p {
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: var(--sp4);
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: var(--sp3);
}

.contact-method {
  display: flex;
  align-items: center;
  gap: var(--sp2);
  padding: var(--sp2) var(--sp3);
  border-radius: var(--r-md);
  background: var(--card-bg);
  border: 1px solid var(--border2);
  transition: border-color var(--t-fast);
}

.contact-method:hover {
  border-color: var(--border);
}

.contact-method-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--r-sm);
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
}

.contact-method-text h4 {
  font-size: 0.85rem;
  font-weight: 700;
}

.contact-method-text a,
.contact-method-text p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.contact-form {
  padding: var(--sp5);
}

.form-group {
  margin-bottom: var(--sp3);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp3);
}

label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-faint);
  margin-bottom: 8px;
  font-family: var(--font-mono);
}

input,
textarea,
select {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--r-md);
  border: 1.5px solid var(--border2);
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  outline: none;
}

input:focus,
textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

.form-submit {
  display: flex;
  align-items: center;
  gap: var(--sp2);
  padding: 14px 36px;
  border-radius: 50px;
  background: var(--gradient);
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  font-family: var(--font-body);
  width: 100%;
  justify-content: center;
  cursor: pointer;
  border: none;
  transition: all var(--t-med);
  box-shadow: 0 8px 32px rgba(124, 58, 237, 0.3);
}

.form-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(124, 58, 237, 0.45);
}

.form-success {
  display: none;
  text-align: center;
  padding: var(--sp4);
  color: #10b981;
  font-weight: 600;
}

/* ── Responsive ── */
@media (max-width: 768px) {

  .about-grid,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .research-card {
    flex-direction: column;
    gap: var(--sp2);
  }

  .timeline::before {
    left: 12px;
  }

  .timeline-item {
    padding-left: var(--sp5);
  }

  .timeline-dot {
    left: 4px;
  }

  .blog-grid,
  .testimonials-grid,
  .achievements-grid {
    grid-template-columns: 1fr;
  }
}


/* Achievements — 2-card layout */
.achievements-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 860px;
  margin: 0 auto;
}

@media (max-width: 640px) {
  .achievements-grid {
    grid-template-columns: 1fr;
  }
}

.achievement-card {
  position: relative;
  padding: 40px 36px 36px;
  border-radius: 20px;
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.achievement-card:hover {
  transform: translateY(-6px);
  border-color: rgba(232, 121, 249, 0.35);
}

.achievement-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, #e879f9, #818cf8);
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.achievement-rank-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 100px;
  padding: 5px 14px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.achievement-rank-badge.champion {
  color: #e879f9;
  background: rgba(232, 121, 249, 0.1);
  border: 1px solid rgba(232, 121, 249, 0.25);
}

.achievement-rank-badge.runner-up {
  color: #818cf8;
  background: rgba(129, 140, 248, 0.1);
  border: 1px solid rgba(129, 140, 248, 0.25);
}

.rank-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  display: inline-block;
}

.achievement-category {
  font-size: 13px;
  opacity: 0.5;
  margin-bottom: 10px;
  font-weight: 400;
}

.achievement-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 20px;
}

.achievement-event {
  font-size: 12px;
  font-weight: 600;
  opacity: 0.55;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}