:root {
        --bg: #0a0f0a;
        --panel: #0f1714;
        --panel2: #0b1411;
        --text: #e6f6ea;
        --muted: #9fb3a6;
        --green: #16a34a;
        --green-2: #22c55e;
        --outline: rgba(34, 197, 94, 0.25);
        --card: #0b1411;
        --card-border: rgba(34, 197, 94, 0.15);
      }
      * {
        box-sizing: border-box;
      }
      html,
      body {
        height: 100%;
      }
      body {
        margin: 0;
        background: radial-gradient(
            1100px 600px at 10% 10%,
            rgba(34, 197, 94, 0.12),
            transparent 60%
          ),
          radial-gradient(
            900px 500px at 90% 30%,
            rgba(16, 185, 129, 0.1),
            transparent 60%
          ),
          linear-gradient(120deg, var(--bg), #07110c);
        color: var(--text);
        font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto,
          Helvetica, Arial;
      }
      a {
        color: var(--green-2);
      }
      .wrap {
        max-width: 1100px;
        margin-inline: auto;
        padding: 28px;
      }
header {
  position: sticky;
  top: 0;
  z-index: 1000;

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

  padding: 12px 20px;

  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(10px);
  border-radius: 12px;
}
    
      .brand {
        display: flex;
        align-items: center;
        gap: 14px;
      }
      .brand img {
        width: 56px;
        height: 56px;
        object-fit: contain;
        filter: drop-shadow(0 10px 24px rgba(34, 197, 94, 0.35));
      }
      .brand h1 {
        margin: 0;
        font-size: 22px;
        letter-spacing: 0.6px;
      }
      .blog-img {
  width: 100%;
  height: 120px;   /* fixed height = clean layout */
  object-fit: cover;
  border-radius: 10px;
  margin: 10px 0;
}
.cert-img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: 12px;
  margin: 10px 0;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.cert-img:hover {
  transform: scale(1.03);
}
      nav {
        display: flex;
        gap: 14px;
        flex-wrap: wrap;
        margin: 0 100px;
      }
      nav a {
        padding: 8px 12px;
        border: 1px solid var(--outline);
        border-radius: 10px;
        text-decoration: none;
        color: var(--text);
      }
      nav a:hover {
        background: rgba(34, 197, 94, 0.08);
      }

      .hero {
        margin-top: 18px;
        border: 1px solid var(--outline);
        background: linear-gradient(
          180deg,
          rgba(2, 6, 8, 0.75),
          rgba(2, 6, 8, 0.45)
        );
        padding: 28px;
        border-radius: 22px;
        display: grid;
        grid-template-columns: 1.1fr 0.9fr;
        gap: 22px;
      }
      .hero h2 {
        margin: 4px 0 10px;
        font-size: clamp(24px, 3.2vw, 36px);
      }
      .hero p {
        margin: 0;
        color: var(--muted);
      }
      .badges {
        margin-top: 14px;
        display: flex;
        gap: 10px;
        flex-wrap: wrap;
      }
      .badge {
        border: 1px solid var(--outline);
        background: rgba(34, 197, 94, 0.08);
        padding: 8px 12px;
        border-radius: 999px;
        font-size: 12px;
        color: #bbf7d0;
      }
      .cta {
        display: flex;
        gap: 12px;
        flex-wrap: wrap;
        margin-top: 16px;
      }
      .btn {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        padding: 12px 14px;
        border-radius: 12px;
        border: 1px solid var(--outline);
        color: var(--text);
        text-decoration: none;
      }
      .btn.primary {
        background: linear-gradient(135deg, var(--green), var(--green-2));
        color: #02150a;
        border-color: transparent;
        font-weight: 700;
      }

      section {
        margin-top: 36px;
      }
      .sec-title {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin: 0 0 12px;
      }
      .sec-title h3 {
        margin: 0;
        font-size: 18px;
        letter-spacing: 0.6px;
        color: #d1fae5;
      }
      .panel {
        border: 1px solid var(--outline);
        background: var(--panel);
        border-radius: 18px;
        padding: 18px;
      }
      .grid {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 16px;
      }
      .card {
        border: 1px solid var(--card-border);
        border-radius: 16px;
        background: var(--card);
        padding: 16px;
        display: flex;
        flex-direction: column;
        gap: 12px;
      }
      .card h4 {
        margin: 0;
        font-size: 16px;
      }
      .tags {
        display: flex;
        gap: 8px;
        flex-wrap: wrap;
      }
      .tag {
        font-size: 12px;
        color: #bbf7d0;
        background: rgba(34, 197, 94, 0.1);
        padding: 6px 10px;
        border: 1px solid var(--outline);
        border-radius: 999px;
      }
      .card .meta {
        color: var(--muted);
        font-size: 13px;
      }
      .actions {
        display: flex;
        gap: 10px;
        flex-wrap: wrap;
      }
      .small {
        font-size: 12px;
        color: var(--muted);
      }

      .list {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 16px;
      }
      .list .item {
        border: 1px solid var(--outline);
        border-radius: 14px;
        padding: 14px;
        background: var(--panel2);
      }
      .list .item h4 {
        margin: 0 0 4px;
      }

      footer {
        margin: 38px 0 12px;
        color: var(--muted);
        display: flex;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 12px;
      }
      .mono {
        font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
          "Liberation Mono", "Courier New", monospace;
      }

      @media (max-width: 980px) {
        .grid {
          grid-template-columns: repeat(2, minmax(0, 1fr));
        }
        .hero {
          grid-template-columns: 1fr;
        }
      }
      @media (max-width: 620px) {
        .grid {
          grid-template-columns: 1fr;
        }
        .list {
          grid-template-columns: 1fr;
        }
        .brand h1 {
          display: none;
        }
      }

      /* Focus rings for a11y */
      a:focus-visible,
      button:focus-visible {
        outline: 2px solid var(--green-2);
        outline-offset: 2px;
        border-radius: 8px;
      }
      .btn:hover{
        background-color: #0f1714;
      }

    /* Burger icon */
.menu-toggle {
  display: none;
  font-size: 26px;
  cursor: pointer;
  /* margin-left: 10px; */
  margin-left: auto;
}

/* Mobile styles */
:root {
        --bg: #0a0f0a;
        --panel: #0f1714;
        --panel2: #0b1411;
        --text: #e6f6ea;
        --muted: #9fb3a6;
        --green: #16a34a;
        --green-2: #22c55e;
        --outline: rgba(34, 197, 94, 0.25);
        --card: #0b1411;
        --card-border: rgba(34, 197, 94, 0.15);
      }
      * {
        box-sizing: border-box;
      }
      html,
      body {
        height: 100%;
      }
      body {
        margin: 0;
        background: radial-gradient(
            1100px 600px at 10% 10%,
            rgba(34, 197, 94, 0.12),
            transparent 60%
          ),
          radial-gradient(
            900px 500px at 90% 30%,
            rgba(16, 185, 129, 0.1),
            transparent 60%
          ),
          linear-gradient(120deg, var(--bg), #07110c);
        color: var(--text);
        font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto,
          Helvetica, Arial;
      }
      a {
        color: var(--green-2);
      }
      .wrap {
        max-width: 1100px;
        margin-inline: auto;
        padding: 28px;
      }
header {
  position: sticky;
  top: 0;
  z-index: 1000;

  /* also needs relative so child nav with position:absolute anchors here */
  /* sticky+relative both work together */
  
  display: flex;
  align-items: center;
  justify-content: space-between;

  padding: 12px 20px;

  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(10px);
  border-radius: 12px;

  /* needed so absolute nav can escape header bounds */
  overflow: visible;
}
    
      .brand {
        display: flex;
        align-items: center;
        gap: 14px;
      }
      .brand img {
        width: 56px;
        height: 56px;
        object-fit: contain;
        filter: drop-shadow(0 10px 24px rgba(34, 197, 94, 0.35));
      }
      .brand h1 {
        margin: 0;
        font-size: 22px;
        letter-spacing: 0.6px;
      }
      .blog-img {
  width: 100%;
  height: 120px;   /* fixed height = clean layout */
  object-fit: cover;
  border-radius: 10px;
  margin: 10px 0;
}
.cert-img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: 12px;
  margin: 10px 0;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.cert-img:hover {
  transform: scale(1.03);
}
      nav {
        display: flex;
        gap: 14px;
        flex-wrap: wrap;
        margin: 0 100px;
      }
      nav a {
        padding: 8px 12px;
        border: 1px solid var(--outline);
        border-radius: 10px;
        text-decoration: none;
        color: var(--text);
      }
      nav a:hover {
        background: rgba(34, 197, 94, 0.08);
      }

      .hero {
        margin-top: 18px;
        border: 1px solid var(--outline);
        background: linear-gradient(
          180deg,
          rgba(2, 6, 8, 0.75),
          rgba(2, 6, 8, 0.45)
        );
        padding: 28px;
        border-radius: 22px;
        display: grid;
        grid-template-columns: 1.1fr 0.9fr;
        gap: 22px;
      }
      .hero h2 {
        margin: 4px 0 10px;
        font-size: clamp(24px, 3.2vw, 36px);
      }
      .hero p {
        margin: 0;
        color: var(--muted);
      }
      .badges {
        margin-top: 14px;
        display: flex;
        gap: 10px;
        flex-wrap: wrap;
      }
      .badge {
        border: 1px solid var(--outline);
        background: rgba(34, 197, 94, 0.08);
        padding: 8px 12px;
        border-radius: 999px;
        font-size: 12px;
        color: #bbf7d0;
      }
      .cta {
        display: flex;
        gap: 12px;
        flex-wrap: wrap;
        margin-top: 16px;
      }
      .btn {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        padding: 12px 14px;
        border-radius: 12px;
        border: 1px solid var(--outline);
        color: var(--text);
        text-decoration: none;
      }
      .btn.primary {
        background: linear-gradient(135deg, var(--green), var(--green-2));
        color: #02150a;
        border-color: transparent;
        font-weight: 700;
      }

      section {
        margin-top: 36px;
      }
      .sec-title {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin: 0 0 12px;
      }
      .sec-title h3 {
        margin: 0;
        font-size: 18px;
        letter-spacing: 0.6px;
        color: #d1fae5;
      }
      .panel {
        border: 1px solid var(--outline);
        background: var(--panel);
        border-radius: 18px;
        padding: 18px;
      }
      .me{
        width: 100%;
        height: auto;
        border-radius: 12px;
        margin: 18px 0;
        display: block;
      }
      .grid {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 16px;
      }
      .card {
        border: 1px solid var(--card-border);
        border-radius: 16px;
        background: var(--card);
        padding: 16px;
        display: flex;
        flex-direction: column;
        gap: 12px;
      }
      .card h4 {
        margin: 0;
        font-size: 16px;
      }
      .tags {
        display: flex;
        gap: 8px;
        flex-wrap: wrap;
      }
      .tag {
        font-size: 12px;
        color: #bbf7d0;
        background: rgba(34, 197, 94, 0.1);
        padding: 6px 10px;
        border: 1px solid var(--outline);
        border-radius: 999px;
      }
      .card .meta {
        color: var(--muted);
        font-size: 13px;
      }
      .actions {
        display: flex;
        gap: 10px;
        flex-wrap: wrap;
      }
      .small {
        font-size: 12px;
        color: var(--muted);
      }

      .list {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 16px;
      }
      .list .item {
        border: 1px solid var(--outline);
        border-radius: 14px;
        padding: 14px;
        background: var(--panel2);
      }
      .list .item h4 {
        margin: 0 0 4px;
      }

      footer {
        margin: 38px 0 12px;
        color: var(--muted);
        display: flex;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 12px;
      }
      .mono {
        font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
          "Liberation Mono", "Courier New", monospace;
      }

      @media (max-width: 980px) {
        .grid {
          grid-template-columns: repeat(2, minmax(0, 1fr));
        }
        .hero {
          grid-template-columns: 1fr;
        }
      }
      @media (max-width: 620px) {
        .grid {
          grid-template-columns: 1fr;
        }
        .list {
          grid-template-columns: 1fr;
        }
        .brand h1 {
          display: none;
        }
      }

      /* Focus rings for a11y */
      a:focus-visible,
      button:focus-visible {
        outline: 2px solid var(--green-2);
        outline-offset: 2px;
        border-radius: 8px;
      }
      .btn:hover{
        background-color: #0f1714;
      }

    /* Burger icon */
.menu-toggle {
  display: none;
  font-size: 26px;
  cursor: pointer;
  /* margin-left: 10px; */
  margin-left: auto;
}

/* Mobile styles */
@media (max-width: 768px) {

  .menu-toggle {
    display: block;
    font-size: 26px;
    cursor: pointer;
    margin-left: auto;
  }

  nav {
    display: none;
    flex-direction: column;
    position: absolute;
    top: calc(100% + 8px); /* sit just below the header */
    right: 0;
    z-index: 999;
    min-width: 250px;
    background: rgba(10, 20, 14, 0.97);
    border: 1px solid rgba(34, 197, 94, 0.25);
    border-radius: 12px;
    padding: 8px;
    gap: 4px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  }

  nav.active {
    display: flex;
  }

  nav a {
    padding: 10px 14px;
    border-radius: 8px;
    text-align: left;
    border: none; /* remove individual borders inside dropdown */
  }

  nav a:hover {
    background: rgba(34, 197, 94, 0.1);
  }
}

#lightbox {
  display: none;
  position: fixed;
  z-index: 9999;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.95);

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

#lightbox img {
  max-width: 95%;
  max-height: 95%;
  object-fit: contain;
  border-radius: 12px;
  transition: transform 0.2s ease;
}

#closeBtn {
  position: absolute;
  top: 20px;
  right: 30px;
  font-size: 40px;
  color: white;
  cursor: pointer;
}