:root {
  --ink: #1d1d1d;
  --text: #555;
  --green: #3f6b4a;
  --green-dark: #2f5237;
  --rule: #c9c9c9;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 400;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
  background: #fff;
  padding: 0 20px;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--green); }

.topbar, main, footer { max-width: 860px; margin: 0 auto; }

/* Top bar */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.brand {
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 2px;
  color: var(--ink);
}
.topbar div a { margin-left: 20px; }

/* Hero */
.hero { display: flex; align-items: center; gap: 36px; padding: 28px 0 4px; }
.photo {
  position: relative;
  flex-shrink: 0;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--green);
  display: grid;
  place-items: center;
}
.photo span { font-family: "Barlow Condensed", sans-serif; font-weight: 700; font-size: 48px; color: #fff; letter-spacing: 2px; }
.photo img { position: absolute; width: 100%; height: 100%; object-fit: cover; }

h1 {
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 400;
  font-size: 44px;
  letter-spacing: 2px;
  color: var(--ink);
  line-height: 1.05;
}
h1 b { font-weight: 700; }
.subtitle {
  font-style: italic;
  font-size: 15px;
  color: var(--green);
  margin-top: 4px;
}
.info { font-size: 13px; margin-top: 4px; }

.buttons { margin: 14px 0 12px; display: flex; gap: 10px; flex-wrap: wrap; }
.btn {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 9px 18px;
  background: var(--green);
  border: 1.5px solid var(--green);
  color: #fff;
}
.btn:hover { background: var(--green-dark); border-color: var(--green-dark); color: #fff; }
.btn-line { background: #fff; color: var(--green); }
.btn-line:hover { background: var(--green); }

.icons { display: flex; gap: 14px; font-size: 18px; color: var(--ink); }

hr { border: 0; border-top: 1.5px solid var(--rule); margin: 28px 0; }

/* Resume sections */
h2 {
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 600;
  font-size: 19px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 12px;
}
h4 {
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 600;
  font-size: 18px;
  color: var(--ink);
}
h4 a { color: var(--green); border-bottom: 1px solid var(--green); }

.columns { display: grid; grid-template-columns: 190px 1fr; gap: 48px; }
section { margin-bottom: 28px; scroll-margin-top: 16px; }
aside h4 { margin-top: 10px; }

.job { margin-bottom: 22px; }
.meta { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 6px; }
.meta span { font-weight: 500; }
.meta i { font-size: 13px; white-space: nowrap; }
.job ul { padding-left: 18px; }
.job li { margin-bottom: 4px; }
.job li::marker { color: var(--green); }

footer {
  border-top: 1.5px solid var(--rule);
  padding: 24px 0 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 12px;
}
footer .icons { font-size: 16px; }

/* Certifications page */
.page-head { padding: 32px 0 4px; }
.page-head h1 {
  font-family: "Barlow Condensed", sans-serif;
  font-size: 40px;
  letter-spacing: 2px;
  color: var(--ink);
}
.page-head .subtitle { color: var(--text); font-style: normal; margin-top: 4px; }

.cert-grid { display: grid; gap: 14px; }
.cert-card {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 18px 20px;
  border: 1.5px solid var(--rule);
  border-radius: 8px;
  transition: border-color 0.2s, transform 0.2s;
}
.cert-card:hover { border-color: var(--green); transform: translateY(-2px); }
.cert-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--green);
  color: #fff;
  font-size: 20px;
}
.cert-body { flex: 1; min-width: 0; }
.cert-card h4 { margin-bottom: 4px; }
.cert-card .meta { justify-content: flex-start; gap: 14px; margin-bottom: 0; }

.cert-actions { display: flex; gap: 8px; flex-shrink: 0; }
.cert-btn {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.3px;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1.5px solid var(--rule);
  color: var(--text);
  white-space: nowrap;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.cert-btn:hover { border-color: var(--ink); color: var(--ink); }

.cert-icon-btn {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1.5px solid var(--rule);
  color: var(--rule);
  font-size: 13px;
  transition: border-color 0.2s, color 0.2s;
}
.cert-icon-btn:hover { border-color: var(--green); color: var(--green); }

/* Projects page */
.proj-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.proj-card {
  display: flex;
  flex-direction: column;
  border: 1.5px solid var(--rule);
  border-radius: 8px;
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
}
.proj-card:hover { border-color: var(--green); transform: translateY(-2px); }
.proj-thumb {
  height: 110px;
  display: grid;
  place-items: center;
  font-size: 28px;
  color: var(--green);
}
.proj-body { padding: 16px 18px 6px; flex: 1; }
.proj-body h4 { margin-bottom: 6px; }
.proj-body p { font-size: 13.5px; color: var(--text); margin-bottom: 10px; }
.proj-card .chips { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; }
.proj-card .chips li {
  font-size: 11px;
  padding: 3px 9px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  color: var(--text);
}
.proj-card .cert-actions { padding: 12px 18px 18px; }

/* Phones */
@media (max-width: 700px) {
  .hero { flex-direction: column; text-align: center; gap: 18px; }
  .buttons, .icons { justify-content: center; }
  h1 { font-size: 34px; letter-spacing: 1px; }
  .topbar div a { margin-left: 12px; }
  .columns { grid-template-columns: 1fr; gap: 0; }
  .columns > div { order: -1; }
  .cert-card { flex-wrap: wrap; }
  .cert-actions { width: 100%; margin-left: 62px; }
  .proj-grid { grid-template-columns: 1fr; }
}