/* General reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  :root {
    --bg: #070814;
    --bg-alt: #0f1020;
    --card-bg: #141629;
    --accent: #5c7cfa;
    --accent-soft: rgba(92, 124, 250, 0.1);
    --text: #f5f5ff;
    --muted: #9da3c2;
    --border-soft: #2a2c45;
    --radius-lg: 1.2rem;
    --radius-md: 0.9rem;
    --radius-sm: 0.5rem;
  }
  
  body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: radial-gradient(circle at top left, #1f153b 0, #070814 55%, #02010a 100%);
    color: var(--text);
    line-height: 1.6;
  }
  
  /* Layout helpers */
  .container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
  }
  
  /* Header / Nav */
  .site-header {
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    background: linear-gradient(to bottom, rgba(7, 8, 20, 0.96), rgba(7, 8, 20, 0.85));
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(12px);
  }
  
  .nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 0;
  }
  
  .logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }
  
  .logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-soft);
    border-radius: 999px;
    padding: 0.35rem 0.6rem;
    font-size: 0.8rem;
  }
  
  .logo-text {
    font-weight: 600;
    letter-spacing: 0.05em;
    font-size: 1rem;
    text-transform: uppercase;
  }
  
  .logo-text span {
    color: var(--accent);
  }
  
  .nav-links {
    display: flex;
    gap: 1rem;
    font-size: 0.9rem;
  }
  
  .nav-links a {
    text-decoration: none;
    color: var(--muted);
    padding: 0.25rem 0.4rem;
    border-radius: 999px;
    transition: background 0.2s, color 0.2s;
  }
  
  .nav-links a:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.04);
  }
  
  /* Hero section */
  .hero {
    padding: 3rem 0 2.2rem;
  }
  
  .hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 2rem;
    align-items: center;
  }
  
  .hero-intro {
    font-size: 0.9rem;
    color: var(--muted);
    margin-bottom: 0.3rem;
  }
  
  .hero-title {
    font-size: 2.3rem;
    line-height: 1.1;
  }
  
  .hero-title span {
    color: var(--accent);
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
    color: var(--muted);
    margin-top: 0.2rem;
    margin-bottom: 0.8rem;
  }
  
  .hero-description {
    font-size: 0.98rem;
    color: var(--muted);
    max-width: 34rem;
    margin-bottom: 1.2rem;
  }
  
  .hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
    margin-bottom: 0.7rem;
  }
  
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 1.2rem;
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    border: 1px solid transparent;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, border 0.15s ease;
  }
  
  .btn.primary {
    background: linear-gradient(135deg, var(--accent) 0%, #8a9dff 100%);
    color: #050712;
    box-shadow: 0 18px 30px rgba(92, 124, 250, 0.4);
  }
  
  .btn.primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 20px 40px rgba(92, 124, 250, 0.45);
  }
  
  .btn.outline {
    border-color: var(--border-soft);
    color: var(--muted);
    background: rgba(12, 13, 30, 0.7);
  }
  
  .btn.outline:hover {
    border-color: var(--accent);
    color: var(--text);
  }
  
  .hero-note {
    font-size: 0.82rem;
    color: var(--muted);
  }
  
  /* Hero side card */
  .hero-card {
    background: radial-gradient(circle at top right, #272b52 0, #141629 45%, #080919 100%);
    border-radius: var(--radius-lg);
    padding: 1.3rem 1.1rem;
    border: 1px solid var(--border-soft);
    box-shadow: 0 24px 40px rgba(0, 0, 0, 0.5);
  }
  
  .hero-tag {
    display: inline-flex;
    font-size: 0.75rem;
    padding: 0.25rem 0.7rem;
    border-radius: 999px;
    background: rgba(32, 193, 135, 0.1);
    color: #6fe3af;
    border: 1px solid rgba(111, 227, 175, 0.4);
    margin-bottom: 0.7rem;
  }
  
  .hero-card-title {
    font-weight: 600;
    margin-bottom: 0.3rem;
  }
  
  .hero-card-text {
    font-size: 0.86rem;
    color: var(--muted);
    margin-bottom: 0.9rem;
  }
  
  .hero-tech-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    font-size: 0.8rem;
  }
  
  .hero-tech-list span {
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    background: var(--accent-soft);
    color: #d2d6ff;
  }
  
  /* Sections */
  .section {
    padding: 2.5rem 0;
  }
  
  .section-alt {
    background: var(--bg-alt);
  }
  
  .section-title {
    font-size: 1.5rem;
    text-align: center;
    margin-bottom: 0.3rem;
  }
  
  .section-subtitle {
    font-size: 0.9rem;
    text-align: center;
    color: var(--muted);
    margin-bottom: 1.5rem;
  }
  
  /* About */
  .about-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.2rem;
    font-size: 0.95rem;
    color: var(--muted);
  }
  
  /* Skills */
  .skills-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.2rem;
  }
  
  .skill-card {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    padding: 1rem;
    border: 1px solid var(--border-soft);
  }
  
  .skill-card h3 {
    font-size: 1rem;
    margin-bottom: 0.4rem;
  }
  
  .skill-card p {
    font-size: 0.88rem;
    color: var(--muted);
  }
  
  /* Projects */
  .projects-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.2rem;
  }
  
  .project-card {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    padding: 1rem;
    border: 1px solid var(--border-soft);
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
  }
  
  .project-card h3 {
    font-size: 1rem;
  }
  
  .project-card p {
    font-size: 0.88rem;
    color: var(--muted);
  }
  
  .project-tech {
    font-size: 0.78rem;
    color: #c6cbff;
  }
  
  .project-link {
    margin-top: 0.3rem;
    font-size: 0.85rem;
    text-decoration: none;
    color: var(--accent);
  }
  
  .project-link:hover {
    text-decoration: underline;
  }
  
  /* Contact */
  .contact-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 1.5rem;
  }
  
  .contact-info {
    font-size: 0.95rem;
    color: var(--muted);
  }
  
  .contact-info ul {
    list-style: none;
    margin-top: 0.6rem;
  }
  
  .contact-info li {
    margin-bottom: 0.3rem;
  }
  
  .contact-note {
    font-size: 0.8rem;
    color: var(--muted);
    margin-top: 0.5rem;
  }
  
  .contact-form {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    padding: 1rem;
    border: 1px solid var(--border-soft);
    font-size: 0.9rem;
  }
  
  .field {
    margin-bottom: 0.7rem;
  }
  
  .field label {
    display: block;
    margin-bottom: 0.2rem;
    font-size: 0.82rem;
  }
  
  .field input,
  .field textarea {
    width: 100%;
    padding: 0.5rem 0.6rem;
    border-radius: 0.6rem;
    border: 1px solid var(--border-soft);
    background: #0c0f1f;
    color: var(--text);
    font: inherit;
  }
  
  .field input:focus,
  .field textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 1px rgba(92, 124, 250, 0.5);
  }
  
  .field textarea {
    min-height: 90px;
    resize: vertical;
  }
  
  /* Footer */
  .site-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    padding: 1.2rem 0;
    background: #060713;
  }
  
  .footer-content {
    font-size: 0.8rem;
    text-align: center;
    color: var(--muted);
  }
  
  /* Responsive */
  @media (max-width: 900px) {
    .hero-grid {
      grid-template-columns: 1fr;
    }
  
    .hero-card {
      order: -1;
    }
  
    .about-grid,
    .skills-grid,
    .projects-grid,
    .contact-grid {
      grid-template-columns: 1fr;
    }
  }
  
  @media (max-width: 600px) {
    .nav {
      flex-direction: column;
      align-items: flex-start;
      gap: 0.4rem;
    }
  
    .nav-links {
      font-size: 0.85rem;
      flex-wrap: wrap;
    }
  
    .hero {
      padding-top: 2rem;
    }
  
    .hero-title {
      font-size: 2rem;
    }
  }