/* ═══════════════════════════════════════════════════════
   Bünyamin Enis Kara — Portfolio
   Main stylesheet
   ═══════════════════════════════════════════════════════ */

  :root {
    --bg: #faf8f3;
    --bg-alt: #f2efe8;
    --fg: #1a1a1a;
    --fg-dim: #6b6760;
    --fg-muted: #9a958c;
    --accent: #1e3a5f;
    --line: #d9d4c8;
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; }

  body {
    background: var(--bg);
    color: var(--fg);
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }

  .page {
    padding: 3rem 4rem;
    display: flex;
    flex-direction: column;
  }

  .page-header, .page-footer {
    display: flex;
    justify-content: space-between;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    color: var(--fg-muted);
    letter-spacing: 0.15em;
    text-transform: uppercase;
  }

  .page-header {
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--line);
  }

  .page-footer {
    margin-top: auto;
    padding-top: 2rem;
    border-top: 1px solid var(--line);
  }

  /* ═══════ COVER ═══════ */
  .cover-main {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 6rem 0 4rem;
  }

  .cover-content {
    max-width: 720px;
    width: 100%;
  }

.cover-meta-top {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    color: var(--accent);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 2.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
  }

  .cover-meta-top::before {
    content: '';
    width: 32px;
    height: 1px;
    background: var(--accent);
  }

  .cover-name {
    font-family: 'Fraunces', serif;
    font-weight: 300;
    font-size: clamp(3.5rem, 6.5vw, 5.8rem);
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 2rem;
  }

  .cover-role {
    font-size: 1.1rem;
    color: var(--fg-dim);
    line-height: 1.5;
    max-width: 480px;
    margin: 0 auto 3rem;
  }

  .cover-details {
    display: grid;
    grid-template-columns: repeat(4, auto);
    gap: 2rem 3rem;
    justify-content: center;
    padding-top: 2rem;
    border-top: 1px solid var(--line);
    max-width: 100%;
  }

  .cover-detail-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.68rem;
    color: var(--fg-muted);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 0.4rem;
  }

  .cover-detail-value {
    font-family: 'Fraunces', serif;
    font-size: 1rem;
  }

  /* ═══════ MAIN ═══════ */
  .main-content {
    flex: 1;
    padding: 10rem 0 2rem;
  }

  .intro {
    max-width: 720px;
    margin-bottom: 6rem;
  }

  .intro-eyebrow {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    color: var(--accent);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
  }

  .intro p:first-of-type {
    font-family: 'Fraunces', serif;
    font-weight: 300;
    font-size: 1.5rem;
    line-height: 1.5;
    letter-spacing: -0.01em;
  }

  .intro p + p {
    margin-top: 1.5rem;
    font-size: 1.05rem;
    color: var(--fg-dim);
    line-height: 1.7;
  }

  .section {
    margin-bottom: 5rem;
  }

  .section-label {
    display: block;
    padding-top: 2rem;
    padding-bottom: 2rem;
    margin-bottom: 3rem;
    border-top: 2px solid var(--accent);
  }

  .section-label .num {
    display: block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.4rem;
    color: var(--accent);
    letter-spacing: 0.18em;
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
  }

  .section-label h2 {
    font-family: 'Fraunces', serif;
    font-weight: 400;
    font-style: italic;
    font-size: 1.1rem;
    color: var(--fg-dim);
    letter-spacing: 0;
  }

  /* Featured */
  .featured {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 3rem;
  }

  .featured-meta .label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.68rem;
    color: var(--fg-muted);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 0.4rem;
  }

  .featured-meta .value {
    font-family: 'Fraunces', serif;
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
  }

  .featured-meta .value.mono {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.82rem;
    line-height: 1.7;
  }

  .featured-body h3 {
    font-family: 'Fraunces', serif;
    font-weight: 400;
    font-size: 2.5rem;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: 0.5rem;
  }

  .featured-body h3 em {
    color: inherit;
    font-style: normal;
  }

  .featured-body .subtitle {
    font-size: 0.95rem;
    color: var(--fg-dim);
    margin-bottom: 2rem;
  }

  .featured-case {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding: 2rem 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    margin-bottom: 2rem;
  }

  .case-block .label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.68rem;
    color: var(--accent);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
  }

  .case-block .text {
    font-size: 0.92rem;
    line-height: 1.6;
  }

  .featured-metric {
    display: flex;
    gap: 3rem;
    align-items: baseline;
  }

  .metric-value {
    font-family: 'Fraunces', serif;
    font-weight: 300;
    font-size: 3rem;
    color: var(--accent);
    letter-spacing: -0.03em;
    line-height: 1;
  }

  .metric-label {
    font-size: 0.85rem;
    color: var(--fg-dim);
    max-width: 260px;
    line-height: 1.5;
  }

  /* Projects list */
  .project-row {
    display: grid;
    grid-template-columns: 200px 1fr 200px;
    gap: 3rem;
    padding: 2rem 0;
    border-bottom: 1px solid var(--line);
    align-items: baseline;
  }

  .project-row:last-child { border-bottom: none; }

  .project-year {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    color: var(--fg-muted);
    letter-spacing: 0.15em;
  }

  .project-info h4 {
    font-family: 'Fraunces', serif;
    font-weight: 500;
    font-size: 1.35rem;
    letter-spacing: -0.01em;
    margin-bottom: 0.5rem;
  }

  .project-info p {
    font-size: 0.9rem;
    color: var(--fg-dim);
    max-width: 500px;
    line-height: 1.6;
  }

  .project-stack {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    color: var(--fg-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-align: right;
    line-height: 1.8;
  }

  /* Skills — pill layout */
  .skills-row {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 3rem;
    padding: 1.75rem 0;
    border-bottom: 1px solid var(--line);
    align-items: center;
  }

  .skills-row:last-child { border-bottom: none; }

  .skills-category {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    color: var(--accent);
    letter-spacing: 0.15em;
    text-transform: uppercase;
  }

  .skills-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
  }

  .pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 1rem;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 100px;
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    color: var(--fg);
    font-weight: 500;
    transition: all 0.3s;
  }

  .pill:hover {
    border-color: var(--accent);
    transform: translateY(-1px);
  }

  .pill svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
  }

  .pill.text-only {
    font-style: italic;
    color: var(--fg-dim);
    background: transparent;
  }

  /* About */
  .about {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 3rem;
  }

  .about-text {
    max-width: 640px;
    color: var(--fg-dim);
    line-height: 1.8;
  }

  .about-text p + p { margin-top: 1.25rem; }

  .about-text strong {
    color: var(--fg);
    font-weight: 500;
  }

  /* Certificates */
  .cert-row {
    display: grid;
    grid-template-columns: 200px 1fr 200px;
    gap: 3rem;
    padding: 1.75rem 0;
    border-bottom: 1px solid var(--line);
    align-items: baseline;
  }

  .cert-row:last-child { border-bottom: none; }

  .cert-date {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    color: var(--fg-muted);
    letter-spacing: 0.15em;
    text-transform: uppercase;
  }

  .cert-info h4 {
    font-family: 'Fraunces', serif;
    font-weight: 500;
    font-size: 1.15rem;
    letter-spacing: -0.01em;
    margin-bottom: 0.4rem;
    line-height: 1.3;
  }

  .cert-info p {
    font-size: 0.85rem;
    color: var(--fg-dim);
  }

  .cert-meta {
    text-align: right;
  }

  .cert-ref {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    color: var(--fg-muted);
    letter-spacing: 0.1em;
  }

  /* Contact — form layout */
  .contact {
    padding: 4rem 0 2rem;
    border-top: 2px solid var(--accent);
    margin-top: 2rem;
    text-align: center;
  }

  .contact-eyebrow {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    color: var(--accent);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 1rem;
  }

  .contact h2 {
    font-family: 'Fraunces', serif;
    font-weight: 400;
    font-size: 2.75rem;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
  }

  .contact-divider {
    width: 40px;
    height: 1px;
    background: var(--fg-muted);
    margin: 1.5rem auto;
  }

  .contact-subtitle {
    font-size: 1rem;
    color: var(--fg-dim);
    margin-bottom: 3rem;
  }

  .contact-form {
    max-width: 640px;
    margin: 0 auto;
    text-align: left;
  }

  .form-field {
    margin-bottom: 1.5rem;
  }

  .form-field label {
    display: block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    color: var(--fg);
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 0.6rem;
  }

  .form-field input,
  .form-field textarea {
    width: 100%;
    padding: 0.9rem 1.2rem;
    background: transparent;
    border: 1px solid var(--line);
    border-radius: 10px;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    color: var(--fg);
    transition: border-color 0.3s;
    resize: none;
  }

  .form-field input:focus,
  .form-field textarea:focus {
    outline: none;
    border-color: var(--accent);
  }

  .form-field textarea {
    min-height: 160px;
    line-height: 1.6;
  }

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

  .form-submit {
    display: block;
    margin: 2rem auto 0;
    padding: 0.9rem 2.5rem;
    background: var(--accent);
    color: var(--bg);
    border: none;
    border-radius: 100px;
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: all 0.3s;
  }

  .form-submit:hover {
    background: var(--fg);
    transform: translateY(-1px);
  }

  .contact-socials {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 3rem;
  }

  .contact-socials a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    color: var(--fg-muted);
    transition: color 0.3s;
  }

  .contact-socials a:hover { color: var(--accent); }

  .contact-socials svg {
    width: 20px;
    height: 20px;
  }

  /* Flash messages */
  .form-flash {
    padding: 0.9rem 1.2rem;
    border-radius: 10px;
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    text-align: left;
  }

  .form-flash-success {
    background: rgba(30, 58, 95, 0.08);
    color: var(--accent);
    border: 1px solid rgba(30, 58, 95, 0.2);
  }

  .form-flash-error {
    background: rgba(180, 50, 50, 0.08);
    color: #b43232;
    border: 1px solid rgba(180, 50, 50, 0.2);
  }

  @media (max-width: 900px) {
    .page { padding: 2rem 1.5rem; }
    .section-label, .featured, .project-row, .skills-row, .about, .cert-row {
      grid-template-columns: 1fr;
      gap: 1rem;
    }
    .cover-details {
      grid-template-columns: repeat(2, auto);
      gap: 1.5rem 2rem;
    }
    .featured-case { grid-template-columns: 1fr; }
    .project-stack, .cert-meta { text-align: left; }
    .contact h2 { font-size: 2rem; }
  }


  /* ═══════ TOPBAR ═══════ */
  .topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 4rem;
    background: rgba(250, 248, 243, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
  }

  .topbar-brand {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    color: var(--fg);
    text-decoration: none;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    transition: color 0.2s;
  }
  .topbar-brand:hover { color: var(--accent); }

  .topbar-links { display: flex; gap: 2rem; }

  .topbar-links a {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    color: var(--fg-dim);
    text-decoration: none;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    transition: color 0.2s;
  }
  .topbar-links a:hover { color: var(--accent); }

  body { padding-top: 56px; }
  html { scroll-behavior: smooth; }
  .section, .contact { scroll-margin-top: 80px; }

  @media (max-width: 700px) {
    .topbar { padding: 0.8rem 1.5rem; }
    .topbar-links { gap: 1rem; }
    .topbar-links a { font-size: 0.65rem; letter-spacing: 0.1em; }
    .topbar-brand { font-size: 0.65rem; }
  }
  @media (max-width: 500px) {
    .topbar-brand { display: none; }
    .topbar { justify-content: center; }
  }

/* Language switcher in topbar */
  .topbar-langs {
    display: inline-flex;
    gap: 0.5rem;
    margin-left: 1rem;
    padding-left: 1.5rem;
    border-left: 1px solid var(--line);
  }

  .topbar-lang {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    color: var(--fg-muted);
    text-decoration: none;
    letter-spacing: 0.1em;
    transition: color 0.2s;
  }

  .topbar-lang:hover {
    color: var(--accent);
  }

  .topbar-lang.active {
    color: var(--accent);
    font-weight: 600;
  }

  @media (max-width: 700px) {
    .topbar-langs {
      margin-left: 0.5rem;
      padding-left: 0.8rem;
      gap: 0.3rem;
    }
    .topbar-lang {
      font-size: 0.65rem;
    }
  }