/* ===== RESET & BASE ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #ec4899;
  --primary-light: #f472b6;
  --primary-dark: #db2777;
  --bg-dark: #0a0a0a;
  --bg-card: rgba(255, 255, 255, 0.03);
  --border-light: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(236, 72, 153, 0.3);
  --text-white: #ffffff;
  --text-slate-300: #cbd5e1;
  --text-slate-400: #94a3b8;
  --text-slate-500: #64748b;
  --text-slate-600: #475569;
  --green-500: #22c55e;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-dark);
  color: var(--text-white);
  overflow-x: hidden;
  line-height: 1.6;
}

/* ===== UTILITIES ===== */
.text-primary {
  color: var(--primary);
}

.text-gradient {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: var(--primary);
}

.italic {
  font-style: italic;
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.5rem 3rem;
  background: transparent;
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-light);
  border-radius: 100px;
  padding: 0.75rem 2rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 900;
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: var(--text-white);
  color: var(--bg-dark);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
}

.logo-text {
  color: var(--text-white);
}

.nav-links {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.nav-link {
  color: var(--text-slate-400);
  text-decoration: none;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.625rem 1.25rem;
  border-radius: 100px;
  transition: all 0.3s;
}

.nav-link:hover {
  color: var(--text-white);
  background: rgba(255, 255, 255, 0.05);
}

.contact-link {
  background: rgba(236, 72, 153, 0.15);
  color: var(--primary);
  border: 1px solid rgba(236, 72, 153, 0.3);
}

.contact-link:hover {
  background: rgba(236, 72, 153, 0.25);
  color: var(--primary-light);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-white);
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu {
  display: flex;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(40px);
  padding: 8rem 2rem 2rem;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  gap: 1.5rem;
  z-index: 999;
  transform: translateY(-100%);
  opacity: 0;
  transition: all 0.5s cubic-bezier(0.85, 0, 0.15, 1);
  pointer-events: none;
}

.mobile-menu.active {
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}

.mobile-menu a {
  color: var(--text-slate-400);
  text-decoration: none;
  font-size: 2.5rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  padding: 1rem;
  width: 100%;
  text-align: center;
  transition: all 0.3s;
  opacity: 0;
  transform: translateY(20px);
}

.mobile-menu.active a {
  opacity: 1;
  transform: translateY(0);
}

.mobile-menu.active a:nth-child(1) {
  transition-delay: 0.2s;
}

.mobile-menu.active a:nth-child(2) {
  transition-delay: 0.3s;
}

.mobile-menu.active a:nth-child(3) {
  transition-delay: 0.4s;
}

.mobile-menu.active a:nth-child(4) {
  transition-delay: 0.5s;
}

.mobile-menu.active a:nth-child(5) {
  transition-delay: 0.6s;
}

.mobile-menu a:hover {
  color: var(--primary);
  transform: scale(1.1);
}

/* ===== MAIN CONTENT ===== */
.main-content {
  position: relative;
  z-index: 20;
  background: var(--bg-dark);
}

.content-wrapper {
  max-width: 1400px;
  margin: 0 auto;
  padding: 8rem 2rem 5rem;
}

/* ===== SECTIONS ===== */
.about-section,
.works-section,
.experience-section,
.certificates-section,
.contact-section {
  margin-bottom: 10rem;
}

/* About Section */
.about-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .about-container {
    grid-template-columns: 1fr 1fr;
  }
}

.section-title {
  font-size: 4rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 6rem;
  }
}

.section-description {
  font-size: 1.25rem;
  color: var(--text-slate-400);
  line-height: 1.7;
  margin-bottom: 3rem;
  max-width: 500px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-light);
}

@media (min-width: 640px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-item {
  text-align: left;
}

.stat-value {
  font-size: 2rem;
  font-weight: 900;
  color: var(--text-white);
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.625rem;
  font-weight: 700;
  color: var(--text-slate-500);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

/* About Image */
.about-image {
  display: flex;
  justify-content: center;
}

.image-container {
  position: relative;
  width: 100%;
  max-width: 450px;
  aspect-ratio: 4/5;
  border-radius: 48px;
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
}

.image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  transition: filter 1s;
}

.image-container:hover img {
  filter: grayscale(0%);
}

/* ===== WORKS SECTION - HORIZONTAL SCROLL ===== */
.section-header {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .section-header {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
  }
}

.section-title-wrapper {
  flex: 1;
}

.section-subtitle {
  color: var(--primary);
  font-size: 0.625rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  display: block;
  margin-bottom: 1rem;
}

.section-title-large {
  font-size: 4rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1;
}

@media (min-width: 768px) {
  .section-title-large {
    font-size: 7rem;
  }
}

.section-subtitle-right {
  color: var(--text-slate-500);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  text-align: right;
  max-width: 300px;
}

.scroll-indicator {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 100px;
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--text-slate-400);
}

.scroll-indicator .material-symbols-outlined {
  font-size: 1.25rem;
  color: var(--primary);
}

/* Projects Horizontal Scroll */
.projects-horizontal {
  position: relative;
  overflow: hidden;
}

.projects-track {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 1rem;
  margin: 0 -1rem;
}

.projects-track::-webkit-scrollbar {
  display: none;
}

.project-card-horizontal {
  flex: 0 0 85%;
  max-width: 85%;
  scroll-snap-align: center;
  margin-left: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 24px;
  overflow: hidden;
  transition: all 0.5s;
  display: block;
  text-decoration: none;
  color: inherit;
}

.project-card-horizontal:last-child {
  margin-right: 1rem;
}

@media (min-width: 768px) {
  .projects-track {
    margin: 0 -1rem;
    scroll-snap-type: none;
  }

  .project-card-horizontal {
    flex: 0 0 50%;
    max-width: 50%;
    scroll-snap-align: initial;
    margin-left: 0;
  }

  .project-card-horizontal:last-child {
    margin-right: 0;
  }
}

@media (min-width: 1024px) {
  .project-card-horizontal {
    flex: 0 0 calc(33.333% - 1.333rem);
    max-width: calc(33.333% - 1.333rem);
  }
}

.project-card-horizontal:hover {
  border-color: var(--border-hover);
  transform: translateY(-8px);
}

.project-image-horizontal {
  width: 100%;
  aspect-ratio: 16/10;
  overflow: hidden;
  position: relative;
}

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

.project-card-horizontal:hover .project-image-horizontal img {
  transform: scale(1.05);
}

.project-link-icon {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 48px;
  height: 48px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.3s;
}

.project-card-horizontal:hover .project-link-icon {
  opacity: 1;
  transform: scale(1);
}

.project-link-icon .material-symbols-outlined {
  color: var(--text-white);
  font-size: 1.5rem;
}

.project-info-horizontal {
  padding: 2rem;
}

.project-category-horizontal {
  color: var(--primary);
  font-size: 0.625rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  display: block;
  margin-bottom: 1rem;
}

.project-title-horizontal {
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: 1rem;
  line-height: 1.1;
  background: linear-gradient(135deg, var(--text-white), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.project-description-horizontal {
  color: var(--text-slate-400);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.project-tags-horizontal {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag-horizontal {
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 100px;
  font-size: 0.625rem;
  font-weight: 700;
  color: var(--text-slate-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all 0.3s;
}

.project-card-horizontal:hover .tag-horizontal {
  color: var(--text-white);
  background: rgba(255, 255, 255, 0.1);
}

/* ===== EXPERIENCE SECTION ===== */
.section-header-experience {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 4rem;
  position: relative;
}

@media (min-width: 768px) {
  .section-header-experience {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}

.experience-section .section-title-large {
  position: relative;
  z-index: 10;
}

.experience-grid {
  display: grid;
  gap: 1.5rem;
}

.experience-card {
  padding: 2.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 32px;
  transition: all 0.5s;
  opacity: 0;
  transform: translateY(20px);
}

.experience-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.experience-card:hover {
  border-color: var(--border-hover);
}

@media (min-width: 768px) {
  .experience-card {
    padding: 3rem;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
  }
}

.experience-period {
  display: inline-block;
  padding: 0.375rem 1rem;
  background: rgba(236, 72, 153, 0.15);
  border-radius: 100px;
  color: var(--primary);
  font-size: 0.625rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
}

.experience-role {
  font-size: 1.875rem;
  font-weight: 900;
  margin-bottom: 0.5rem;
}

.experience-company {
  color: var(--text-slate-500);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.experience-description {
  color: var(--text-slate-400);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.experience-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* ===== CERTIFICATES SECTION ===== */
.section-header-certificates {
  margin-bottom: 4rem;
}

.certificates-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .certificates-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.certificate-card {
  padding: 2.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 24px;
  transition: all 0.5s;
  opacity: 0;
  transform: scale(0.95);
}

.certificate-card.visible {
  opacity: 1;
  transform: scale(1);
}

.certificate-card:hover {
  border-color: var(--border-hover);
}

.certificate-icon {
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: all 0.3s;
}

.certificate-card:hover .certificate-icon {
  background: rgba(236, 72, 153, 0.15);
}

.certificate-icon .material-symbols-outlined {
  font-size: 1.5rem;
  color: var(--text-slate-400);
  transition: color 0.3s;
}

.certificate-card:hover .certificate-icon .material-symbols-outlined {
  color: var(--primary);
}

.certificate-title {
  font-size: 1.25rem;
  font-weight: 900;
  margin-bottom: 0.5rem;
}

.certificate-issuer {
  color: var(--text-slate-500);
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

/* ===== CONTACT SECTION ===== */
.contact-header {
  text-align: center;
  margin-bottom: 5rem;
}

.section-title-huge {
  font-size: 4rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1;
  margin: 1.5rem 0;
}

@media (min-width: 768px) {
  .section-title-huge {
    font-size: 7rem;
  }
}

.availability-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: 100px;
  margin-top: 2rem;
}

.availability-dot {
  width: 8px;
  height: 8px;
  background: var(--green-500);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.5;
  }
}

.availability-badge span:last-child {
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--green-500);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .contact-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.contact-card {
  padding: 3rem 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 32px;
  text-align: center;
  text-decoration: none;
  transition: all 0.5s;
  position: relative;
  overflow: hidden;
}

.contact-card::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.5s;
}

.contact-card:nth-child(1)::before {
  background: rgba(34, 197, 94, 0.05);
}

.contact-card:nth-child(2)::before {
  background: rgba(236, 72, 153, 0.05);
}

.contact-card:nth-child(3)::before {
  background: rgba(59, 130, 246, 0.05);
}

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

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

.contact-card:nth-child(1):hover {
  border-color: rgba(34, 197, 94, 0.3);
}

.contact-card:nth-child(3):hover {
  border-color: rgba(59, 130, 246, 0.3);
}

.contact-icon {
  font-size: 3rem;
  color: var(--text-slate-500);
  margin-bottom: 1.5rem;
  transition: color 0.3s;
  display: block;
}

.contact-card:nth-child(1):hover .contact-icon {
  color: var(--green-500);
}

.contact-card:nth-child(2):hover .contact-icon {
  color: var(--primary);
}

.contact-card:nth-child(3):hover .contact-icon {
  color: #3b82f6;
}

.contact-title {
  font-size: 1.5rem;
  font-weight: 900;
  margin-bottom: 0.75rem;
}

.contact-description {
  font-size: 0.875rem;
  color: var(--text-slate-500);
  transition: color 0.3s;
}

.contact-card:hover .contact-description {
  color: var(--text-slate-300);
}

/* ===== FOOTER ===== */
.footer {
  padding: 5rem 0 3rem;
  border-top: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  text-align: center;
}

@media (min-width: 768px) {
  .footer {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-logo {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.footer-location {
  font-size: 0.625rem;
  font-weight: 700;
  color: var(--text-slate-600);
  text-transform: uppercase;
  letter-spacing: 0.3em;
}

.footer-copyright {
  font-size: 0.5625rem;
  font-weight: 700;
  color: var(--text-slate-700);
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

/* ===== ANIMATION CLASSES ===== */
.animate-on-scroll {
  transition: opacity 0.6s ease, transform 0.6s ease;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .navbar {
    padding: 1.5rem;
  }

  .nav-container {
    padding: 0.5rem 1rem;
  }

  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1001;
  }

  .content-wrapper {
    padding: 7rem 1.5rem 3rem;
  }

  .section-title {
    font-size: 3.5rem;
    letter-spacing: -0.04em;
    text-align: center;
  }

  .section-description {
    font-size: 1.125rem;
    text-align: center;
    margin: 0 auto 3rem;
  }

  .section-title-large {
    font-size: 3.5rem;
  }

  .section-title-huge {
    font-size: 4rem;
  }

  .about-section,
  .works-section,
  .experience-section,
  .certificates-section,
  .contact-section {
    margin-bottom: 7rem;
  }

  .image-container {
    border-radius: 24px;
    max-width: 320px;
  }

  .stats-grid {
    gap: 1.5rem;
    text-align: center;
  }

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

  .stat-value {
    font-size: 1.75rem;
  }

  .project-info-horizontal {
    padding: 1.5rem;
  }

  .project-title-horizontal {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
  }

  .project-description-horizontal {
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: 1.25rem;
  }

  .experience-card {
    padding: 1.5rem;
  }

  .experience-period {
    padding: 0.25rem 0.75rem;
    font-size: 0.6rem;
    margin-bottom: 0.75rem;
  }

  .experience-role {
    font-size: 1.25rem;
  }

  .experience-description {
    font-size: 0.9375rem;
  }

  .certificate-card {
    padding: 1.5rem;
    border-radius: 20px;
  }

  .certificate-icon {
    width: 40px;
    height: 40px;
    margin-bottom: 1rem;
  }

  .certificate-title {
    font-size: 1.125rem;
  }

  .contact-card {
    padding: 2rem 1.5rem;
  }

  .contact-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
  }

  .contact-title {
    font-size: 1.25rem;
  }

  .contact-header {
    margin-bottom: 2rem;
  }

  .scroll-indicator {
    display: none;
  }
}

/* ===== PROJECT ACTION BUTTONS ===== */
.project-actions {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  display: flex;
  gap: 0.75rem;
  opacity: 0;
  transform: scale(0.9);
  transition: all 0.3s ease;
  z-index: 10;
}

.project-card-horizontal:hover .project-actions {
  opacity: 1;
  transform: scale(1);
}

.project-action-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: all 0.3s;
  cursor: pointer;
  backdrop-filter: blur(10px);
}

.project-action-btn .material-symbols-outlined {
  font-size: 1.25rem;
  color: var(--text-white);
}

/* GitHub Button */
.github-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.github-btn:hover {
  background: #ffffff;
  border-color: #ffffff;
}

.github-btn:hover .material-symbols-outlined {
  color: #0a0a0a;
}

/* Demo Button */
.demo-btn {
  background: var(--primary);
  border: 1px solid var(--primary);
}

.demo-btn:hover {
  background: var(--primary-light);
  border-color: var(--primary-light);
}

/* ===== CONTACT CARD - GITHUB STYLE ===== */
.contact-card:nth-child(3):hover .contact-icon {
  color: #ffffff;
}

.contact-card:nth-child(3) {
  border-color: rgba(255, 255, 255, 0.2);
}

.contact-card:nth-child(3):hover {
  border-color: #ffffff;
  background: rgba(255, 255, 255, 0.05);
}

/* ===== WRITEUPS DIRECTORY ===== */
.search-container {
  position: relative;
  max-width: 600px;
  margin: 0 auto 2rem;
}

@media (min-width: 768px) {
  .search-container {
    margin: 0 0 2rem 0;
  }
}

.search-icon {
  position: absolute;
  left: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-slate-500);
}

.writeup-search-input {
  width: 100%;
  padding: 1rem 1rem 1rem 3.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 100px;
  color: var(--text-white);
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.3s;
}

.writeup-search-input:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(255, 255, 255, 0.05);
}

.writeup-search-input::placeholder {
  color: var(--text-slate-500);
}

.directory-header {
  margin-bottom: 3rem;
  text-align: center;
}

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

.category-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 4rem;
  justify-content: center;
}

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

.category-pill {
  padding: 0.5rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 100px;
  color: var(--text-slate-400);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all 0.3s;
}

.category-pill:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-white);
}

.category-pill.active {
  background: rgba(236, 72, 153, 0.15);
  border-color: rgba(236, 72, 153, 0.3);
  color: var(--primary);
}

.writeups-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

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

@media (min-width: 1024px) {
  .writeups-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.writeup-grid-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 24px;
  overflow: hidden;
  transition: all 0.5s;
  text-decoration: none;
  opacity: 0;
  transform: translateY(20px);
}

.writeup-grid-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.writeup-grid-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-8px);
}

.writeup-card-image {
  position: relative;
  width: 100%;
  aspect-ratio: 16/10;
  overflow: hidden;
}

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

.writeup-grid-card:hover .writeup-card-image img {
  transform: scale(1.05);
}

.writeup-card-category {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(4px);
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
  color: var(--primary);
  font-size: 0.625rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.1rem;
  border: 1px solid rgba(236, 72, 153, 0.3);
  z-index: 10;
}

.writeup-card-info {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.writeup-card-title {
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--text-white);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.writeup-card-desc {
  font-size: 0.875rem;
  color: var(--text-slate-400);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex: 1;
}

.writeup-card-meta {
  display: flex;
  align-items: center;
  font-size: 0.75rem;
  color: var(--text-slate-500);
  font-weight: 600;
}

.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-slate-400);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.875rem;
  margin-bottom: 2rem;
  transition: color 0.3s;
}

.btn-back:hover {
  color: var(--primary);
}

.btn-back .material-symbols-outlined {
  font-size: 1.25rem;
}

/* ===== WRITEUP / MEDIUM-STYLE BLOG ===== */
.writeup-wrapper {
  max-width: 680px;
  margin: 0 auto;
  padding: 8rem 2rem 5rem;
}

.writeup-header {
  margin-bottom: 2rem;
}

.writeup-title {
  font-size: 2.5rem;
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
  color: var(--text-white);
  background: linear-gradient(135deg, var(--text-white), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

@media (min-width: 768px) {
  .writeup-title {
    font-size: 3.5rem;
  }
}

.writeup-subtitle {
  font-size: 1.25rem;
  color: var(--text-slate-400);
  line-height: 1.5;
  margin-bottom: 2rem;
  font-weight: 400;
}

.writeup-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-light);
}

.writeup-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border-light);
}

.author-details {
  display: flex;
  flex-direction: column;
}

.author-name {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-white);
}

.author-info {
  font-size: 0.8125rem;
  color: var(--text-slate-500);
}

.writeup-cover {
  margin: 2rem 0 3rem;
  width: 100%;
}

.writeup-cover img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  object-fit: cover;
  border: 1px solid var(--border-light);
}

.writeup-body {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-slate-300);
}

.writeup-body p {
  margin-bottom: 2rem;
}

.dropcap {
  float: left;
  font-size: 3.5rem;
  line-height: 0.8;
  padding-top: 0.15em;
  padding-right: 0.1em;
  padding-left: 0;
  font-weight: 900;
  color: var(--primary);
}

.writeup-body h2 {
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--text-white);
  margin-top: 3.5rem;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.writeup-body blockquote {
  font-size: 1.25rem;
  font-style: italic;
  line-height: 1.6;
  border-left: 4px solid var(--primary);
  padding-left: 1.5rem;
  margin: 3rem 0;
  color: var(--text-white);
}

.writeup-body img {
  width: 100%;
  border-radius: 12px;
  margin: 2.5rem 0;
  border: 1px solid var(--border-light);
}

.writeup-body strong {
  color: var(--text-white);
  font-weight: 700;
}