body {
      margin: 0;
      font-family: "Segoe UI", sans-serif;
      background-color: #fff;
      color: #111;
    }

    nav {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 1rem 2rem;
      background-color: #f8f8f8;
      position: sticky;
      top: 0;
      z-index: 1000;
    }

   nav .logo {
  font-size: 2rem;         /* Yaklaşık 32px */
  font-weight: bold;
  font-family: 'Poppins', sans-serif;
  color: #1e3a8a;           /* Koyu mavi tonlarda şık bir renk */
  text-decoration: none;   /* Alt çizgi olmasın */
}


    nav ul {
      display: flex;
      gap: 1.5rem;
      list-style: none;
      margin: 0;
      padding: 0;
    }

    nav a {
      text-decoration: none;
      color: #111;
      font-weight: 500;
    }
      nav a:hover,
    nav a.active {
      color: #1e3a8a;
    }

    .cv-menu {
      position: relative;
    }

    .cv-menu .cv-button {
      border: 0;
      cursor: pointer;
      font: inherit;
    }

    .cv-dropdown {
      position: absolute;
      top: calc(100% + 0.65rem);
      right: 0;
      min-width: 180px;
      padding: 0.45rem;
      display: grid;
      gap: 0.25rem;
      border: 1px solid rgba(148, 163, 184, 0.22);
      border-radius: 12px;
      background: rgba(255, 255, 255, 0.98);
      box-shadow: 0 18px 38px rgba(15, 23, 42, 0.14);
      opacity: 0;
      visibility: hidden;
      transform: translateY(-6px);
      transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
      z-index: 1100;
    }

    .cv-dropdown a {
      padding: 0.68rem 0.78rem;
      border-radius: 8px;
      color: #0f172a;
      font-size: 0.92rem;
      font-weight: 700;
      white-space: nowrap;
    }

    .cv-dropdown a:hover,
    .cv-dropdown a:focus-visible {
      background: #eef2ff;
      color: #1e3a8a;
    }

    .cv-menu:hover .cv-dropdown,
    .cv-menu:focus-within .cv-dropdown {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }


    .hero {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: clamp(1.5rem, 5vw, 4rem);
  min-height: calc(100vh - 80px); /* Daha az yüksekliğe çekiyoruz */
  padding: 1rem 2rem; /* Yukarıdan boşluk azaldı */
   background: linear-gradient(to right, #f0f4ff, #ffffff);
}


    .hero-content {
  flex: 1;
  min-width: min(300px, 100%);
  max-width: 500px;
  padding: 0.5rem 1rem; /* Azaltılmış padding */
}

    .hero-content h1 {
      font-size: 2.8rem;
      margin-bottom: 0.5rem;
    }

    .hero-content p {
      font-size: 1.4rem;
      color: #333;
      min-height: 50px;
    }

    .highlight {
      color: #1e3a8a;
      font-weight: bold;
    }

    .btn-primary {
      display: inline-block;
      margin-top: 1.5rem;
      padding: 0.75rem 1.5rem;
      background-color: #1e3a8a;
      color: white;
      text-decoration: none;
      border-radius: 8px;
      transition: background 0.3s ease;
    }

    .btn-primary:hover {
      background-color: #0f172a;
    }

    .hero-image {
      flex: 1;
      min-width: min(300px, 100%);
      text-align: center;
      padding: 1rem;
    }

 
    #skills, #projects {
      padding: 4rem 2rem;
    }

.portfolio-command {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(360px, 1.18fr);
  gap: 2rem;
  align-items: center;
  padding: 5rem 2rem;
  background:
    radial-gradient(circle at 15% 18%, rgba(124, 58, 237, 0.18), transparent 32%),
    radial-gradient(circle at 85% 25%, rgba(14, 165, 233, 0.18), transparent 34%),
    linear-gradient(135deg, #f8fafc, #eef2ff 48%, #f8fbff);
}

.command-copy {
  max-width: 480px;
  justify-self: end;
}

.command-copy h2 {
  margin: 0 0 1rem;
  color: #0f172a;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.08;
}

.command-copy p {
  margin: 0;
  color: #475569;
  font-size: 1.08rem;
  line-height: 1.75;
}

.command-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.4rem;
}

.command-tabs button {
  border: 1px solid rgba(124, 58, 237, 0.14);
  border-radius: 999px;
  padding: 0.65rem 0.9rem;
  background: rgba(255, 255, 255, 0.78);
  color: #1e3a8a;
  cursor: pointer;
  font-weight: 800;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.command-tabs button:hover,
.command-tabs button.active {
  background: #1e3a8a;
  color: #ffffff;
  transform: translateY(-2px);
}

.command-screen {
  position: relative;
  max-width: 720px;
  padding: 1rem;
  border: 1px solid rgba(191, 219, 254, 0.2);
  border-radius: 24px;
  background:
    radial-gradient(circle at 20% 20%, rgba(124, 58, 237, 0.34), transparent 28%),
    radial-gradient(circle at 82% 72%, rgba(14, 165, 233, 0.22), transparent 34%),
    linear-gradient(135deg, #0f172a, #1e1b4b 52%, #172554);
  box-shadow: 0 28px 70px rgba(15, 23, 42, 0.24);
  overflow: hidden;
}

.screen-topbar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.85rem;
  color: #dbeafe;
  font-weight: 800;
}

.screen-topbar span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #60a5fa;
}

.screen-topbar span:nth-child(1) {
  background: #fb7185;
}

.screen-topbar span:nth-child(2) {
  background: #facc15;
}

.screen-topbar strong {
  margin-left: auto;
  color: #bfdbfe;
}

.screen-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.75fr;
  gap: 1rem;
}

.focus-panel,
.metric-panel,
.terminal-panel {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}

.focus-panel {
  min-height: 260px;
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  justify-content: end;
}

.focus-panel span {
  color: #bfdbfe;
  font-weight: 800;
}

.focus-panel h3 {
  margin: 0.8rem 0;
  font-size: 1.8rem;
  line-height: 1.15;
}

.focus-panel p {
  margin: 0;
  color: #dbeafe;
  line-height: 1.65;
}

.metric-panel {
  display: grid;
  gap: 1rem;
  padding: 1rem;
}

.metric-panel div {
  display: grid;
  place-items: center;
  min-height: 115px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.1);
}

.metric-panel strong {
  color: #ffffff;
  font-size: 2rem;
}

.metric-panel span {
  color: #bfdbfe;
  font-weight: 700;
}

.terminal-panel {
  grid-column: 1 / -1;
  padding: 1.1rem;
  font-family: Consolas, "Courier New", monospace;
}

.terminal-panel p {
  margin: 0.35rem 0;
  color: #bbf7d0;
}

    .skill-slider {
      display: flex;
      overflow: hidden;
      gap: 1rem;
      white-space: nowrap;
    }

    .skill-item {
      background: #1e3a8a;
      color: #fff;
      padding: 0.5rem 1rem;
      border-radius: 6px;
      font-size: 1rem;
    }

   .projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-bottom: 20px; /* Butonla arasında boşluk için */
}

.more-projects-button {
  text-align: center; /* Butonu ortalar */
  margin-bottom: 40px; /* Alt boşluk için */
}

    .project-card {
      display: block;
      background-color: white;
      border-radius: 12px;
      padding: 1.5rem;
      box-shadow: 0 4px 10px rgba(0,0,0,0.1);
      transition: transform 0.2s ease;
      color: inherit;
      text-decoration: none;
      cursor: pointer;
    }

    .project-card:hover {
      transform: translateY(-5px);
      text-decoration: none;
    }

   footer {
  text-align: center;
  padding: 20px;
  background-color: #f3f4f6;
  color: #111;
  font-size: 14px;
}

.social-links {
  margin-top: 10px;
}

.social-links a {
  margin: 0 10px;
  display: inline-block;
  transition: transform 0.2s ease;
}

.social-links a:hover {
  transform: scale(1.1);
}

.social-links img {
  width: 28px;
  height: 28px;
  filter: grayscale(100%);
}

.social-links img:hover {
  filter: none;
}

    .hero-image img {
  margin: 0;
  max-width: min(500px, 100%);
  width: 100%;
  height: auto;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.2));
  animation: float 4s ease-in-out infinite;
}
.about-section {
  padding: 4rem 2rem;
  background: linear-gradient(to bottom, #ffffff, #f4f4f4);
}

.about-page,
.events-page {
  min-height: 100vh;
  background:
    linear-gradient(180deg, #fff7fb 0%, #f8fbff 44%, #ffffff 100%);
}

.about-hero {
  max-width: 1120px;
  margin: 0 auto;
  padding: 5.5rem 2rem 5rem;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 3rem;
  align-items: center;
}

.about-hero-content h1,
.events-hero h1 {
  margin: 0 0 1rem;
  color: #0f172a;
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 1.08;
}

.about-hero-content p,
.events-hero p,
.about-events-preview p {
  color: #475569;
  font-size: 1.08rem;
  line-height: 1.75;
}

.section-kicker {
  display: inline-flex;
  margin-bottom: 1rem;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  background: #dbeafe;
  color: #1e3a8a;
  font-weight: 700;
  font-size: 0.84rem;
}

.about-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: center;
}

.btn-secondary {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.68rem 1.25rem;
  border: 1px solid rgba(30, 58, 138, 0.2);
  border-radius: 8px;
  color: #1e3a8a;
  background: #ffffff;
  text-decoration: none;
  font-weight: 700;
}

.btn-secondary:hover {
  border-color: #1e3a8a;
  color: #0f172a;
}

.about-portrait {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  background: linear-gradient(135deg, #e0f2fe, #fce7f3);
  box-shadow: 0 24px 54px rgba(15, 23, 42, 0.14);
}

.about-portrait img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.about-stats {
  max-width: 1120px;
  margin: 4rem auto 0;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.about-stats div,
.about-card,
.about-events-preview {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 16px;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

.about-stats div {
  padding: 1.2rem;
}

.about-stats strong {
  display: block;
  color: #1e3a8a;
  font-size: 2.2rem;
}

.about-stats span {
  color: #475569;
  font-weight: 700;
}

.journey-timeline {
  max-width: 1120px;
  margin: 6rem auto 0;
  padding: 0 2rem;
}

.timeline-heading {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: end;
  margin-bottom: 2.2rem;
}

.timeline-heading h2 {
  margin: 0;
  color: #0f172a;
  font-size: 2rem;
}

.timeline-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.6rem;
}

.timeline-track::before {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  top: 2.1rem;
  height: 2px;
  background: linear-gradient(90deg, #1e3a8a, #7c3aed, #38bdf8);
}

.timeline-item {
  position: relative;
  padding: 4.8rem 1.35rem 1.5rem;
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.07);
}

.timeline-item::before {
  content: "";
  position: absolute;
  top: 1.65rem;
  left: 1.1rem;
  width: 16px;
  height: 16px;
  border: 4px solid #ffffff;
  border-radius: 50%;
  background: #7c3aed;
  box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.16);
}

.timeline-year {
  color: #1e3a8a;
  font-weight: 800;
}

.timeline-item h3 {
  margin: 0.4rem 0 0.45rem;
  color: #0f172a;
  font-size: 1.08rem;
}

.timeline-item p {
  margin: 0;
  color: #475569;
  line-height: 1.55;
  font-size: 0.95rem;
}

.about-grid {
  max-width: 1120px;
  margin: 6rem auto 0;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
}

.about-card {
  padding: 2rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.about-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 48px rgba(15, 23, 42, 0.11);
}

.about-card h2 {
  margin: 0 0 1rem;
  color: #1e3a8a;
  font-size: 1.35rem;
}

.about-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.75rem;
}

.about-card li {
  position: relative;
  padding-left: 1.15rem;
  color: #334155;
  line-height: 1.55;
}

.about-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #38bdf8;
}

.about-events-preview,
.reference-contact {
  max-width: 1120px;
  margin: 6rem auto 5rem;
  padding: 2.4rem 2.6rem;
  display: flex;
  gap: 1.5rem;
  justify-content: space-between;
  align-items: center;
}

.about-events-preview h2 {
  margin: 0 0 0.6rem;
  color: #0f172a;
  font-size: 1.8rem;
}

.reference-contact {
  margin-top: 6rem;
  margin-bottom: 0;
  padding: 2.8rem 2.8rem 3.4rem;
  background:
    radial-gradient(circle at 14% 16%, rgba(124, 58, 237, 0.22), transparent 34%),
    radial-gradient(circle at 86% 12%, rgba(59, 130, 246, 0.2), transparent 36%),
    linear-gradient(135deg, #111827 0%, #1e1b4b 45%, #1e3a8a 100%);
  color: #ffffff;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  align-items: stretch;
  border: 1px solid rgba(191, 219, 254, 0.18);
  border-radius: 28px;
}

.reference-contact .section-kicker {
  background: rgba(255, 255, 255, 0.14);
  color: #bfdbfe;
}

.reference-contact h2 {
  margin: 0 0 0.7rem;
  font-size: 1.9rem;
  color: #ffffff;
}

.reference-contact p {
  max-width: 680px;
  margin: 0;
  color: #dbeafe;
  line-height: 1.7;
}

.reference-link {
  display: inline-block;
  margin-top: 1rem;
  color: #bfdbfe;
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid rgba(191, 219, 254, 0.45);
}

.reference-link:hover {
  border-color: #ffffff;
  color: #ffffff;
}

.reference-actions,
.reference-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  justify-content: flex-end;
}

.reference-form {
  padding: 1.2rem;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(96, 165, 250, 0.18);
  box-shadow: 0 18px 34px rgba(15, 23, 42, 0.18);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-content: start;
}

.form-row {
  display: grid;
  gap: 0.4rem;
}

.form-row:nth-child(4) {
  grid-column: 1 / -1;
}

.form-row label {
  color: #0f172a;
  font-size: 0.9rem;
  font-weight: 700;
}

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid #ddd6fe;
  border-radius: 14px;
  padding: 0.78rem 0.85rem;
  background: #fdfcff;
  color: #0f172a;
  font: inherit;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

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

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  border-color: #8b5cf6;
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.16);
}

.reference-submit {
  grid-column: 1 / -1;
  border: 0;
  border-radius: 14px;
  padding: 0.85rem 1.2rem;
  background: linear-gradient(135deg, #1e3a8a, #4c1d95);
  color: #ffffff;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.reference-submit:hover {
  background: linear-gradient(135deg, #172554, #312e81);
  transform: translateY(-2px);
}

.reference-contact .btn-primary {
  background: #ffffff;
  color: #6d28d9;
}

.reference-contact .btn-primary:hover {
  background: #f3e8ff;
}

.reference-contact .btn-secondary {
  background: transparent;
  border-color: rgba(124, 58, 237, 0.35);
  color: #6d28d9;
}

.reference-contact .btn-secondary:hover {
  border-color: #7c3aed;
  color: #4c1d95;
}

.events-hero {
  max-width: 920px;
  margin: 0 auto;
  padding: 5rem 2rem 2rem;
  text-align: center;
}

.event-slider {
  position: relative;
  max-width: 1080px;
  margin: 1rem auto 5rem;
  padding: 0 4.5rem 3rem;
}

.event-track {
  position: relative;
  min-height: 620px;
  overflow: hidden;
  border-radius: 20px;
  background: #0f172a;
  box-shadow: 0 26px 60px rgba(15, 23, 42, 0.18);
}

.event-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: translateX(30px) scale(0.98);
  transition: opacity 0.45s ease, transform 0.45s ease;
  pointer-events: none;
}

.event-slide.active {
  opacity: 1;
  transform: translateX(0) scale(1);
  pointer-events: auto;
}

.event-slide img {
  width: 100%;
  height: 100%;
  min-height: 620px;
  object-fit: cover;
  display: block;
}

.event-slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.02) 20%, rgba(15, 23, 42, 0.82) 100%);
}

.event-caption {
  position: absolute;
  left: 2rem;
  right: 2rem;
  bottom: 2rem;
  z-index: 1;
  color: #ffffff;
  max-width: 650px;
}

.event-caption span {
  display: inline-block;
  margin-bottom: 0.65rem;
  color: #bae6fd;
  font-weight: 700;
}

.event-caption h2 {
  margin: 0 0 0.7rem;
  font-size: clamp(1.6rem, 3vw, 2.8rem);
}

.event-caption p {
  margin: 0;
  color: #e2e8f0;
  line-height: 1.65;
  font-size: 1.05rem;
}

.slider-btn {
  position: absolute;
  top: 50%;
  z-index: 2;
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 50%;
  background: #ffffff;
  color: #1e3a8a;
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.18);
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  transform: translateY(-50%);
}

.slider-btn:hover {
  background: #1e3a8a;
  color: #ffffff;
}

.slider-btn.prev {
  left: 1.1rem;
}

.slider-btn.next {
  right: 1.1rem;
}

.slider-dots {
  position: absolute;
  left: 50%;
  bottom: 0.8rem;
  display: flex;
  gap: 0.5rem;
  transform: translateX(-50%);
}

.slider-dots button {
  width: 10px;
  height: 10px;
  border: 0;
  border-radius: 50%;
  background: #cbd5e1;
  cursor: pointer;
}

.slider-dots button.active {
  width: 28px;
  border-radius: 999px;
  background: #1e3a8a;
}

.insta-events-hero {
  max-width: 980px;
  margin: 0 auto;
  padding: 5.5rem 2rem 3rem;
  text-align: center;
}

.insta-events-hero h1 {
  margin: 0 0 0.9rem;
  color: #0f172a;
  font-size: clamp(2.3rem, 5vw, 4.2rem);
  line-height: 1.05;
}

.event-hero-pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.7rem;
  margin: 1rem 0 1.1rem;
}

.event-hero-pills span {
  padding: 0.52rem 0.85rem;
  border: 1px solid rgba(236, 72, 153, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  color: #9d174d;
  font-size: 0.88rem;
  font-weight: 800;
  box-shadow: 0 10px 28px rgba(236, 72, 153, 0.09);
}

.insta-events-hero p {
  margin: 0 auto;
  max-width: 720px;
  color: #475569;
  font-size: 1.08rem;
  line-height: 1.7;
}

.insta-gallery {
  max-width: 1120px;
  margin: 0 auto 5rem;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.15rem;
}

.insta-post {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 22px;
  padding: 0.55rem;
  background: rgba(255, 255, 255, 0.82);
  cursor: pointer;
  box-shadow: 0 20px 45px rgba(15, 23, 42, 0.1);
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}

.insta-post img {
  width: 100%;
  height: 100%;
  border-radius: 16px;
  object-fit: cover;
  display: block;
  transition: transform 0.35s ease, filter 0.35s ease;
}

.insta-post::after {
  content: "";
  position: absolute;
  inset: 0.55rem;
  border-radius: 16px;
  background: linear-gradient(180deg, transparent 18%, rgba(15, 23, 42, 0.72));
  opacity: 0.78;
  transition: opacity 0.3s ease;
}

.insta-post span {
  position: absolute;
  left: 1.25rem;
  right: 1.25rem;
  bottom: 1.2rem;
  z-index: 1;
  color: #ffffff;
  font-weight: 800;
  text-align: left;
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.3s ease, transform 0.3s ease;
  text-shadow: 0 2px 12px rgba(15, 23, 42, 0.45);
}

.insta-post:hover {
  transform: translateY(-8px);
  border-color: rgba(236, 72, 153, 0.24);
  box-shadow: 0 30px 62px rgba(15, 23, 42, 0.16);
}

.insta-post:hover img {
  transform: scale(1.06);
  filter: saturate(1.08) brightness(1.02);
}

.insta-post:hover::after {
  opacity: 0.9;
}

.events-page {
  background: linear-gradient(180deg, #f8fafc 0%, #ffffff 42%, #f1f5f9 100%);
}

.event-hero-pills {
  display: none;
}

.insta-events-hero {
  max-width: 920px;
  padding: 5rem 2rem 2.5rem;
}

.insta-gallery {
  gap: 1rem;
}

.insta-post {
  border: 0;
  border-radius: 18px;
  padding: 0;
  background: #111827;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.1);
}

.insta-post img {
  border-radius: 0;
}

.insta-post::after {
  inset: 0;
  border-radius: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(15, 23, 42, 0.78));
  opacity: 0;
}

.insta-post span {
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  opacity: 0;
  transform: translateY(10px);
  text-shadow: none;
}

.insta-post:hover {
  transform: none;
  border-color: transparent;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.1);
}

.insta-post:hover img {
  transform: scale(1.06);
  filter: saturate(1.08);
}

.insta-post:hover::after,
.insta-post:hover span {
  opacity: 1;
}

.insta-post:hover span {
  transform: translateY(0);
}

body.modal-open {
  overflow: hidden;
}

.event-modal.hidden {
  display: none;
}

.event-modal {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: grid;
  place-items: center;
  padding: 2rem;
}

.event-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.58);
  backdrop-filter: blur(14px);
}

.event-modal-card {
  position: relative;
  z-index: 1;
  width: min(1120px, 100%);
  max-height: min(760px, 92vh);
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 28px;
  background: #ffffff;
  box-shadow: 0 34px 80px rgba(15, 23, 42, 0.35);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 3;
  width: 38px;
  height: 38px;
  border: 0;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.68);
  color: #ffffff;
  cursor: pointer;
  font-size: 1.6rem;
  line-height: 1;
}

.modal-media {
  min-height: 560px;
  background: #0f172a;
}

.modal-media img {
  width: 100%;
  height: 100%;
  min-height: 560px;
  object-fit: cover;
  display: block;
}

.modal-info {
  min-height: 560px;
  display: flex;
  flex-direction: column;
  border-left: 1px solid #f1dbe8;
  background: linear-gradient(180deg, #ffffff, #fff7fb);
}

.modal-profile {
  padding: 1rem;
  display: flex;
  gap: 0.8rem;
  align-items: center;
  border-bottom: 1px solid #e2e8f0;
}

.modal-avatar {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, #db2777, #7c3aed);
  color: #ffffff;
  font-weight: 800;
}

.modal-profile strong,
.modal-profile span {
  display: block;
}

.modal-profile strong {
  color: #0f172a;
}

.modal-profile span {
  color: #64748b;
  font-size: 0.9rem;
}

.modal-copy {
  padding: 1.1rem;
  border-bottom: 1px solid #e2e8f0;
}

.modal-copy > span {
  color: #be185d;
  font-weight: 800;
}

.modal-copy h2 {
  margin: 0.45rem 0;
  color: #0f172a;
  font-size: 1.45rem;
}

.modal-copy p {
  margin: 0;
  color: #475569;
  line-height: 1.65;
}

.modal-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1rem;
}

.modal-tags span {
  padding: 0.38rem 0.58rem;
  border-radius: 999px;
  background: #fce7f3;
  color: #9d174d;
  font-weight: 700;
}

.comment-list {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: grid;
  align-content: start;
  gap: 0.8rem;
}

.comment-item {
  padding: 0.8rem;
  border: 1px solid rgba(244, 114, 182, 0.16);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.74);
}

.comment-item strong {
  color: #0f172a;
}

.comment-item p,
.empty-comments {
  margin: 0.25rem 0 0;
  color: #475569;
  line-height: 1.45;
}

.comment-form {
  padding: 1rem;
  display: grid;
  gap: 0.65rem;
  border-top: 1px solid #f1dbe8;
  background: rgba(255, 255, 255, 0.72);
}

.comment-form input,
.comment-form textarea {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid #f0bfd6;
  border-radius: 14px;
  padding: 0.75rem 0.85rem;
  font: inherit;
  outline: none;
  background: #ffffff;
}

.comment-form input:focus,
.comment-form textarea:focus {
  border-color: #db2777;
  box-shadow: 0 0 0 3px rgba(219, 39, 119, 0.12);
}

.comment-form textarea {
  resize: vertical;
}

.comment-form button {
  border: 0;
  border-radius: 14px;
  padding: 0.78rem 1rem;
  background: linear-gradient(135deg, #db2777, #7c3aed);
  color: #ffffff;
  cursor: pointer;
  font-weight: 800;
  box-shadow: 0 14px 28px rgba(219, 39, 119, 0.22);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.comment-form button:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 34px rgba(124, 58, 237, 0.22);
}

.about-container {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 3rem;
  align-items: center;
}

.about-content {
  flex: 2;
  min-width: 280px;
}

.about-content h2 {
  font-size: 2.6rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #111;
}

.about-content p {
  font-size: 1.15rem;
  line-height: 1.7;
  margin-bottom: 1rem;
  color: #333;
}
.about-image {
  flex: 1;
  min-width: 300px;
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1rem;
  background-color: transparent; /* Arka plan renksiz */
}

.about-image img {
  width: 100%;
  height: auto;
  object-fit: contain; /* Görüntüyü orantılı şekilde sığdırır */
  
  transition: transform 0.3s ease;
}

.about-image img:hover {
  transform: scale(1.07);
}

.about-subsections {
  max-width: 1000px;
  margin: 3rem auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 3rem;
  border-top: 2px solid #e0e0e0;
  padding-top: 2rem;
}
.about-subsections {
  max-width: 1000px;
  margin: 3rem auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 3rem;
  border-top: 2px solid #e0e0e0;
  padding-top: 2rem;
  justify-content: space-between;
}

.education,
.certificates {
  flex: 1;
  min-width: 300px;
  background-color: #f9fafb;
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease;
}

.education:hover,
.certificates:hover {
  transform: translateY(-5px);
}

.education h3,
.certificates h3 {
  font-size: 1.7rem;
  margin-bottom: 1rem;
  color: #1e3a8a;
  border-left: 4px solid #1e3a8a;
  padding-left: 0.5rem;
}

.education ul,
.certificates ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.education li,
.certificates li {
  margin-bottom: 0.8rem;
  font-size: 1.05rem;
  color: #222;
  padding-left: 1.2rem;
  position: relative;
}

.education li::before,
.certificates li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: #1e3a8a;
  font-size: 1.2rem;
  line-height: 1;
}

.hidden {
  display: none;
}

.btn-read-more {
  margin-top: 1rem;
  padding: 0.6rem 1.2rem;
  background-color: #1e3a8a;
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.3s ease;
}

.btn-read-more:hover {
  background-color: #0f172a;
}
#experience,
#volunteer-memberships {
  max-width: 1000px;
  margin: 3rem auto 0;
  background-color: #f9fafb;
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease;
}

#experience:hover,
#volunteer-memberships:hover {
  transform: translateY(-5px);
}

#experience h3,
#volunteer-memberships h3 {
  font-size: 1.7rem;
  margin-bottom: 1.2rem;
  color: #1e3a8a;
  border-left: 4px solid #1e3a8a;
  padding-left: 0.5rem;
}

#experience ul,
#volunteer-memberships ul {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

#experience li,
#volunteer-memberships li {
  margin-bottom: 0.8rem;
  font-size: 1.05rem;
  color: #222;
  padding-left: 1.2rem;
  position: relative;
}

#experience li::before,
#volunteer-memberships li::before {
  content: "▹";
  position: absolute;
  left: 0;
  color: #1e3a8a;
  font-size: 1.2rem;
  line-height: 1;
}
.certificates ul {
  max-height: 180px;
  overflow-y: auto;
  padding-right: 0.5rem;
  scrollbar-width: thin;
  scrollbar-color: #1e3a8a #f9fafb;
}

/* Chrome, Edge, Safari için scrollbar stilleri */
.certificates ul::-webkit-scrollbar {
  width: 8px;
}

.certificates ul::-webkit-scrollbar-track {
  background: #f9fafb;
  border-radius: 8px;
}

.certificates ul::-webkit-scrollbar-thumb {
  background-color: #1e3a8a;
  border-radius: 8px;
  border: 2px solid #f9fafb;
}
.education ul,
.certificates ul {
  max-height: 180px;      /* İstediğin yüksekliği ayarla */
  overflow-y: auto;       /* Dikey scroll aktif */
  padding-right: 0.5rem;  /* Scroll alanı için iç boşluk */
  scrollbar-width: thin;  /* Firefox için ince scrollbar */
  scrollbar-color: #1e3a8a #f9fafb; /* Firefox scrollbar renkleri */
}

/* Chrome, Edge, Safari için scrollbar stilleri */
.education ul::-webkit-scrollbar,
.certificates ul::-webkit-scrollbar {
  width: 8px;
}

.education ul::-webkit-scrollbar-track,
.certificates ul::-webkit-scrollbar-track {
  background: #f9fafb;
  border-radius: 8px;
}

.education ul::-webkit-scrollbar-thumb,
.certificates ul::-webkit-scrollbar-thumb {
  background-color: #1e3a8a;
  border-radius: 8px;
  border: 2px solid #f9fafb;
}
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
  padding: 2rem;
  background: linear-gradient(135deg, #e0e7ff, #f9fafb);
  border-radius: 16px;
  max-width: 1100px;
  margin: 3rem auto;
}

.project-card {
  background: white;
  border-radius: 16px;
  box-shadow: 0 10px 20px rgba(30, 58, 138, 0.15);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: "";
  position: absolute;
  top: -40%;
  left: -40%;
  width: 140%;
  height: 140%;
  background: linear-gradient(45deg, #1e3a8a, #3b82f6, #2563eb);
  opacity: 0;
  transition: opacity 0.4s ease;
  border-radius: 50%;
  z-index: 0;
}

.project-card:hover::before {
  opacity: 0.2;
}

.project-title {
  font-size: 1.6rem;
  font-weight: 700;
  color: #1e3a8a;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.project-description {
  font-size: 1.05rem;
  color: #4b5563;
  line-height: 1.6;
  flex-grow: 1;
  position: relative;
  z-index: 1;
}

.project-links {
  margin-top: 1.5rem;
  position: relative;
  z-index: 1;
}

.project-links a {
  text-decoration: none;
  background: #1e3a8a;
  color: white;
  font-weight: 600;
  padding: 0.5rem 1.2rem;
  border-radius: 9999px;
  margin-right: 1rem;
  box-shadow: 0 4px 8px rgba(30, 58, 138, 0.3);
  transition: background-color 0.3s ease, transform 0.3s ease;
  display: inline-block;
}

.project-links a:hover {
  background-color: #2563eb;
  transform: scale(1.05);
}

.github-projects-page {
  min-height: 100vh;
  padding: 4.5rem 2rem 5rem;
  background:
    radial-gradient(circle at 14% 12%, rgba(124, 58, 237, 0.14), transparent 30%),
    radial-gradient(circle at 88% 18%, rgba(14, 165, 233, 0.16), transparent 34%),
    linear-gradient(180deg, #f8fafc 0%, #ffffff 46%, #eef2ff 100%);
}

.projects-hero {
  max-width: 1120px;
  margin: 0 auto 2rem;
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  align-items: end;
}

.projects-hero h1 {
  max-width: 760px;
  margin: 0 0 0.9rem;
  color: #0f172a;
  font-size: clamp(2.2rem, 4vw, 4rem);
  line-height: 1.05;
}

.projects-hero p {
  max-width: 720px;
  margin: 0;
  color: #475569;
  font-size: 1.08rem;
  line-height: 1.7;
}

.github-toolbar {
  max-width: 1120px;
  margin: 0 auto 1.4rem;
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.07);
}

.github-toolbar span {
  display: block;
  color: #1e3a8a;
  font-weight: 800;
  font-size: 1.15rem;
}

.github-toolbar small {
  color: #64748b;
}

.project-filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  justify-content: flex-end;
}

.project-filter-group button {
  border: 1px solid rgba(30, 58, 138, 0.16);
  border-radius: 999px;
  padding: 0.55rem 0.8rem;
  background: #ffffff;
  color: #1e3a8a;
  cursor: pointer;
  font-weight: 800;
}

.project-filter-group button:hover,
.project-filter-group button.active {
  background: #1e3a8a;
  color: #ffffff;
}

.github-project-grid {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.3rem;
}

.github-project-card,
.github-loading-card {
  position: relative;
  overflow: hidden;
  min-height: 300px;
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 20px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(248, 250, 252, 0.96)),
    #ffffff;
  box-shadow: 0 18px 42px rgba(15, 23, 42, 0.08);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.github-project-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 0%, rgba(124, 58, 237, 0.16), transparent 32%),
    radial-gradient(circle at 100% 18%, rgba(14, 165, 233, 0.14), transparent 30%);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.github-project-card:hover {
  transform: translateY(-7px);
  border-color: rgba(30, 58, 138, 0.2);
  box-shadow: 0 26px 58px rgba(15, 23, 42, 0.13);
}

.github-project-card:hover::before {
  opacity: 1;
}

.repo-card-top,
.github-project-card h2,
.github-project-card p,
.repo-topics,
.repo-meta,
.repo-links,
.github-loading-card h2,
.github-loading-card p {
  position: relative;
  z-index: 1;
}

.repo-card-top {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1.1rem;
}

.repo-language,
.repo-category {
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
}

.repo-language {
  background: #eef2ff;
  color: #4338ca;
}

.repo-category {
  background: #e0f2fe;
  color: #075985;
  text-transform: capitalize;
}

.github-project-card h2,
.github-loading-card h2 {
  margin: 0 0 0.8rem;
  color: #0f172a;
  font-size: 1.45rem;
}

.github-project-card p,
.github-loading-card p {
  margin: 0;
  color: #475569;
  line-height: 1.65;
}

.github-project-card .repo-readme {
  min-height: 5.25rem;
}

.repo-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 1.2rem 0;
}

.repo-topics span {
  padding: 0.38rem 0.55rem;
  border-radius: 8px;
  background: #f1f5f9;
  color: #334155;
  font-size: 0.8rem;
  font-weight: 700;
}

.repo-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: auto;
  color: #64748b;
  font-size: 0.9rem;
  font-weight: 700;
}

.repo-links {
  display: flex;
  gap: 0.7rem;
  margin-top: 1.2rem;
}

.repo-links a {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 38px;
  padding: 0 0.9rem;
  border-radius: 10px;
  background: #1e3a8a;
  color: #ffffff;
  text-decoration: none;
  font-weight: 800;
}

.repo-links a:nth-child(2) {
  background: #eef2ff;
  color: #1e3a8a;
}

.github-loading-card {
  grid-column: 1 / -1;
  min-height: 220px;
}

.github-loading-card span {
  display: block;
  width: 52px;
  height: 52px;
  margin-bottom: 1rem;
  border: 5px solid #dbeafe;
  border-top-color: #1e3a8a;
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

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

@media (max-width: 480px) {
  .projects-grid {
    grid-template-columns: 1fr;
    padding: 1rem;
  }
  .project-card {
    padding: 1.5rem;
  }
  .project-title {
    font-size: 1.4rem;
  }
}
#projects h2,
#skills h2 {
  text-align: center;
  color: #1e3a8a;
  font-weight: 700;
  font-size: 2.6rem;
  margin-bottom: 2rem;
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 2rem;
  text-align: center;
}

.section-heading h2 {
  margin: 0 0 0.7rem;
}

.section-heading p {
  margin: 0;
  color: #475569;
  line-height: 1.7;
}

.featured-projects {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.75fr);
  gap: 1.2rem;
}

.featured-project-card {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 18px;
  background: #ffffff;
  color: inherit;
  text-decoration: none;
  box-shadow: 0 18px 42px rgba(15, 23, 42, 0.08);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.featured-project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(124, 58, 237, 0.28);
  box-shadow: 0 26px 58px rgba(15, 23, 42, 0.14);
}

.primary-project {
  min-height: 430px;
  display: grid;
  grid-template-columns: minmax(220px, 0.82fr) 1fr;
}

.project-visual {
  position: relative;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 22% 24%, rgba(216, 180, 254, 0.38), transparent 30%),
    radial-gradient(circle at 78% 72%, rgba(59, 130, 246, 0.28), transparent 35%),
    linear-gradient(135deg, #111827, #1e1b4b 52%, #1e3a8a);
}

.project-visual span {
  display: grid;
  place-items: center;
  width: 154px;
  height: 154px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 34px;
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  font-size: 2.4rem;
  font-weight: 800;
  box-shadow: inset 0 0 28px rgba(255, 255, 255, 0.12), 0 24px 44px rgba(15, 23, 42, 0.28);
  transform: rotate(-5deg);
}

.project-info {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.project-label {
  width: fit-content;
  margin-bottom: 0.85rem;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  background: #eef2ff;
  color: #4338ca;
  font-size: 0.78rem;
  font-weight: 800;
}

.featured-project-card h3 {
  margin: 0 0 0.75rem;
  color: #0f172a;
  font-size: 1.65rem;
}

.featured-project-card p {
  margin: 0;
  color: #475569;
  line-height: 1.65;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.4rem;
}

.tech-tags span {
  padding: 0.45rem 0.65rem;
  border-radius: 8px;
  background: #f8fafc;
  color: #1e3a8a;
  font-weight: 700;
  font-size: 0.85rem;
}

.project-stack {
  display: grid;
  gap: 1.2rem;
}

.compact-project {
  min-height: 180px;
  padding: 1.4rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
}

.project-arrow {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #1e3a8a;
  color: #ffffff;
  font-weight: 800;
}
.cv-button {
  background-color: #1e3a8a; /* lacivert ton */
  color: #fff;
  padding: 8px 16px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease;
}

.cv-button:hover {
  background-color: #0f2565;
}
:root {
  --bg-color: #ffffff;
  --text-color: #111111;
  --card-bg: #f3f4f6;
  --accent-color: #1e3a8a;
  --btn-bg: #1e3a8a;
  --btn-hover-bg: #0f172a;
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  transition: background-color 0.3s ease, color 0.3s ease;
}

.reveal-on-scroll {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal-on-scroll {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

.card,
.project-card,
.skill-item {
  background-color: var(--card-bg);
  color: var(--text-color);
}

.cv-button {
  background-color: var(--btn-bg);
  color: white;
  transition: background-color 0.3s ease;
}

.cv-button:hover {
  background-color: var(--btn-hover-bg);
}


.bubble {
  position: absolute;
  width: 80px;
  height: 80px;
  border-radius: 50%;

  left: 0;
  top: 0;

  display: flex;
  align-items: center;
  justify-content: center;

  font-size: 11px;
  font-weight: 700;
  color: rgba(20,20,20,0.85);

  cursor: pointer;
  user-select: none;

  /* 🌈 IRIDESCENT (RENK KIRILMASI) */
  background: radial-gradient(circle at 30% 30%,
    rgba(255,255,255,0.95),
    rgba(255,255,255,0.6),
    rgba(180,220,255,0.4),
    rgba(255,180,255,0.25),
    rgba(140,200,255,0.2),
    rgba(255,255,255,0.05)
  );

  /* 🌈 ekstra rainbow ışık katmanı */
  background-blend-mode: screen;

  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);

  /* ✨ gerçek sabun köpüğü glow */
  box-shadow:
    inset 0 0 20px rgba(255,255,255,0.9),
    inset -10px -10px 25px rgba(120,160,255,0.25),
    inset 10px 10px 30px rgba(255,120,200,0.15),
    0 0 30px rgba(150,180,255,0.3);

  border: 1px solid rgba(255,255,255,0.4);

  animation: float 6s ease-in-out infinite, shimmer 4s infinite linear;
}
@keyframes shimmer {
  0% {
    filter: hue-rotate(0deg) saturate(1);
  }
  50% {
    filter: hue-rotate(40deg) saturate(1.3);
  }
  100% {
    filter: hue-rotate(0deg) saturate(1);
  }
}
.bubble::before {
  content: "";
  position: absolute;
  width: 40%;
  height: 40%;
  top: 15%;
  left: 20%;
  background: rgba(255,255,255,0.8);
  border-radius: 50%;
  filter: blur(4px);
  opacity: 0.8;
}

.skills-showcase {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(320px, 1.35fr) minmax(280px, 0.65fr);
  gap: 2rem;
  align-items: stretch;
}

.bubble-area {
  position: relative;
  min-height: 380px;
  overflow: hidden;
  border-radius: 18px;
  background:
    radial-gradient(circle at 18% 20%, rgba(236, 72, 153, 0.18), transparent 28%),
    radial-gradient(circle at 82% 24%, rgba(14, 165, 233, 0.2), transparent 30%),
    radial-gradient(circle at 50% 80%, rgba(34, 197, 94, 0.14), transparent 32%),
    linear-gradient(135deg, #f8fbff, #eef6ff 48%, #fff9fd);
  box-shadow: inset 0 0 40px rgba(30, 58, 138, 0.08), 0 18px 38px rgba(15, 23, 42, 0.08);
}

.bubble-area::before {
  content: "";
  position: absolute;
  inset: 16px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 14px;
  pointer-events: none;
}

.bubble {
  appearance: none;
  border: 1px solid rgba(255, 255, 255, 0.62);
  padding: 0;
  line-height: 1;
  isolation: isolate;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  animation: shimmer 4s infinite linear, bubble-glow 3.8s ease-in-out infinite;
}

.bubble::before,
.bubble::after {
  pointer-events: none;
}

.bubble::after {
  content: "";
  position: absolute;
  inset: 12%;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.65);
  opacity: 0.55;
}

.bubble:hover,
.bubble:focus-visible,
.bubble.active {
  transform: scale(1.08);
  box-shadow:
    inset 0 0 24px rgba(255, 255, 255, 0.95),
    inset -10px -10px 28px rgba(20, 184, 166, 0.26),
    inset 10px 10px 30px rgba(244, 114, 182, 0.18),
    0 0 34px rgba(59, 130, 246, 0.42);
}

.bubble:focus-visible {
  outline: 3px solid rgba(30, 58, 138, 0.35);
  outline-offset: 4px;
}

.bubble.pop {
  animation: bubble-pop 0.42s ease-out, shimmer 4s infinite linear;
}

.skill-detail {
  background: #ffffff;
  border: 1px solid rgba(30, 58, 138, 0.1);
  border-radius: 14px;
  padding: 1.5rem;
  box-shadow: 0 18px 38px rgba(15, 23, 42, 0.08);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.skill-detail-label {
  width: fit-content;
  margin-bottom: 0.8rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: #e0f2fe;
  color: #075985;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0;
}

.skill-detail h3 {
  margin: 0 0 0.7rem;
  color: #1e3a8a;
  font-size: 1.7rem;
}

.skill-detail p {
  margin: 0 0 1rem;
  color: #334155;
  line-height: 1.55;
}

.skill-detail ul {
  list-style: none;
  margin: 0 0 1.2rem;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.skill-detail li {
  padding: 0.7rem 0.85rem;
  border-radius: 8px;
  background: linear-gradient(90deg, #f8fafc, #eff6ff);
  color: #172554;
  font-weight: 600;
}

.skill-detail-link {
  align-self: flex-start;
  color: #1e3a8a;
  font-weight: 700;
  text-decoration: none;
}

.skill-detail-link:hover {
  color: #0f172a;
}

@keyframes bubble-glow {
  0%, 100% {
    box-shadow:
      inset 0 0 20px rgba(255,255,255,0.9),
      inset -10px -10px 25px rgba(120,160,255,0.25),
      inset 10px 10px 30px rgba(255,120,200,0.15),
      0 0 28px rgba(150,180,255,0.28);
  }
  50% {
    box-shadow:
      inset 0 0 26px rgba(255,255,255,0.96),
      inset -12px -12px 28px rgba(45,212,191,0.26),
      inset 12px 12px 32px rgba(251,113,133,0.18),
      0 0 40px rgba(14,165,233,0.35);
  }
}

@keyframes bubble-pop {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  55% {
    transform: scale(1.38);
    opacity: 0.28;
  }
  100% {
    transform: scale(1.02);
    opacity: 1;
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-14px);
  }
}

@media (max-width: 820px) {
  nav {
    align-items: flex-start;
    gap: 1rem;
  }

  nav ul {
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.85rem;
  }

  .about-hero,
  .about-grid,
  .about-events-preview {
    grid-template-columns: 1fr;
  }

  .about-hero {
    padding-top: 3.5rem;
    padding-bottom: 3rem;
  }

  .journey-timeline,
  .about-grid,
  .about-events-preview,
  .reference-contact {
    margin-top: 4rem;
  }

  .about-stats {
    grid-template-columns: 1fr;
  }

  .timeline-heading {
    display: block;
  }

  .timeline-track {
    grid-template-columns: 1fr;
  }

  .timeline-track::before {
    left: 1.55rem;
    right: auto;
    top: 1rem;
    bottom: 1rem;
    width: 2px;
    height: auto;
  }

  .timeline-item {
    padding: 1.3rem 1.1rem 1.3rem 3.5rem;
  }

  .timeline-item::before {
    top: 1.1rem;
  }

  .featured-projects,
  .primary-project {
    grid-template-columns: 1fr;
  }

  .projects-hero,
  .github-toolbar {
    display: grid;
    align-items: start;
  }

  .project-filter-group {
    justify-content: flex-start;
  }

  .portfolio-command {
    grid-template-columns: 1fr;
    padding: 4rem 1.5rem;
  }

  .command-copy {
    max-width: 680px;
    justify-self: stretch;
  }

  .screen-grid {
    grid-template-columns: 1fr;
  }

  .terminal-panel {
    grid-column: auto;
  }

  .primary-project {
    min-height: 0;
  }

  .project-visual {
    min-height: 240px;
  }

  .about-events-preview,
  .reference-contact {
    display: grid;
    grid-template-columns: 1fr;
  }

  .reference-actions {
    justify-content: flex-start;
  }

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

  .event-slider {
    padding: 0 1rem 3rem;
  }

  .event-track,
  .event-slide img {
    min-height: 520px;
  }

  .insta-gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .event-modal-card {
    grid-template-columns: 1fr;
    max-height: 92vh;
    overflow-y: auto;
  }

  .modal-media,
  .modal-media img {
    min-height: 420px;
  }

  .modal-info {
    min-height: auto;
    border-left: 0;
  }

  .slider-btn {
    top: auto;
    bottom: 1.4rem;
    transform: none;
  }

  .slider-btn.prev {
    left: 1.5rem;
  }

  .slider-btn.next {
    right: 1.5rem;
  }

  .skills-showcase {
    grid-template-columns: 1fr;
  }

  .bubble-area {
    min-height: 320px;
  }

  .skill-detail {
    min-height: 260px;
  }
}

@media (max-width: 520px) {
  nav {
    padding: 1rem;
  }

  .hero {
    min-height: auto;
    padding: 3rem 1rem;
  }

  .hero-content {
    padding: 0;
  }

  .hero-content h1 {
    font-size: 2.15rem;
  }

  .hero-content p {
    font-size: 1.1rem;
  }

  .hero-image {
    padding: 0;
  }

  .hero-image img {
    max-width: 280px;
  }

  nav .logo {
    font-size: 1.45rem;
  }

  nav a {
    font-size: 0.92rem;
  }

  .about-hero,
  .events-hero,
  .about-grid,
  .about-stats,
  .journey-timeline,
  .about-events-preview,
  .reference-contact {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .about-card,
  .about-events-preview,
  .reference-contact {
    border-radius: 12px;
  }

  .event-track,
  .event-slide img {
    min-height: 430px;
  }

  .event-caption {
    left: 1rem;
    right: 1rem;
    bottom: 5rem;
  }

  .insta-events-hero {
    padding: 3.5rem 1rem 2rem;
  }

  .insta-gallery {
    grid-template-columns: 1fr;
    padding: 0 1rem;
    gap: 0.8rem;
  }

  .event-modal {
    padding: 0.8rem;
  }

  .event-modal-card {
    border-radius: 18px;
  }

  .modal-media,
  .modal-media img {
    min-height: 320px;
  }

  .project-info,
  .compact-project {
    padding: 1.15rem;
  }

  .portfolio-command {
    padding: 3rem 1rem;
  }

  .command-tabs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  .command-screen {
    border-radius: 18px;
    padding: 0.75rem;
  }

  .project-visual span {
    width: 120px;
    height: 120px;
    border-radius: 26px;
    font-size: 1.8rem;
  }

  #skills,
  #projects {
    padding: 3rem 1rem;
  }

  .github-projects-page {
    padding: 3rem 1rem 4rem;
  }

  .github-project-card,
  .github-loading-card {
    border-radius: 16px;
  }

  .bubble {
    width: 68px;
    height: 68px;
    font-size: 10px;
  }

  .bubble-area {
    min-height: 300px;
  }

  .skill-detail h3 {
    font-size: 1.45rem;
  }
}

.events-list {
  padding: 80px 10%;
  text-align: center;
}

.events-title {
  font-size: 2.5rem;
  margin-bottom: 50px;
  color: #fff;
}

.event-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
}

.event-card {
  background: linear-gradient(145deg, #1e1e2f, #2a2a40);
  border-radius: 20px;
  padding: 30px;
  color: #fff;
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.event-card::before {
  content: "";
  position: absolute;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 10%, transparent 60%);
  top: -50%;
  left: -50%;
  transform: rotate(25deg);
}

.event-card:hover {
  transform: translateY(-10px) scale(1.03);
  box-shadow: 0 15px 40px rgba(0,0,0,0.6);
}

.event-icon {
  font-size: 2.5rem;
  margin-bottom: 15px;
}

.event-card h3 {
  margin-bottom: 10px;
  font-size: 1.4rem;
}

.event-card p {
  font-size: 0.95rem;
  opacity: 0.85;
  line-height: 1.6;
}