/* Murad Nabizade — personal site
   Plain CSS, one accent color, light background. */

:root {
  --bg: #fbfbf9;
  --surface: #ffffff;
  --border: #e7e4dd;
  --text: #22262b;
  --muted: #5c636b;
  --accent: #1f6f6b;      /* deep teal */
  --accent-dark: #14514e;
  --max-width: 860px;
  --radius: 8px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

/* ---------- Header / nav ---------- */

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
  gap: 8px;
}

.brand {
  font-weight: 700;
  font-size: 18px;
  color: var(--text);
  letter-spacing: -0.01em;
}
.brand:hover { text-decoration: none; }

.nav {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.nav a {
  color: var(--muted);
  font-size: 15px;
}
.nav a.active {
  color: var(--text);
  font-weight: 600;
}
.nav a:hover { color: var(--accent); text-decoration: none; }

/* ---------- Main / sections ---------- */

main {
  padding: 48px 0 64px;
}

.intro h1 {
  font-size: 34px;
  line-height: 1.2;
  margin: 0 0 6px;
  letter-spacing: -0.02em;
}

.intro .role {
  color: var(--muted);
  font-size: 17px;
  margin: 0 0 24px;
}

.lead {
  font-size: 19px;
  max-width: 640px;
}

h2 {
  font-size: 22px;
  margin: 44px 0 16px;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 18px;
  margin: 0 0 6px;
}

p { margin: 0 0 16px; }

.muted { color: var(--muted); }

hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 40px 0;
}

/* ---------- Highlight cards ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin: 24px 0;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.card h3 { margin-top: 0; }
.card p { margin-bottom: 0; color: var(--muted); font-size: 15px; }

/* ---------- Project list ---------- */

.project {
  border-top: 1px solid var(--border);
  padding: 24px 0;
}
.project:first-of-type { border-top: 0; }
.project h3 { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.project .tag {
  font-size: 12px;
  color: var(--accent-dark);
  background: #e6f0ef;
  border-radius: 999px;
  padding: 2px 10px;
  font-weight: 600;
}
.project p { margin-bottom: 0; color: var(--muted); }

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 10px 18px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
}
.btn:hover { background: var(--accent-dark); text-decoration: none; }

.btn-outline {
  display: inline-block;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 18px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }

.link-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 28px 0 8px;
}

/* ---------- Content / video ---------- */

.videos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin: 24px 0;
}
.video-frame {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: #000;
}
.video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* ---------- Resume ---------- */

.resume-section { margin-bottom: 8px; }
.resume-item { padding: 16px 0; border-top: 1px solid var(--border); }
.resume-item:first-of-type { border-top: 0; }
.resume-item .meta {
  color: var(--muted);
  font-size: 14px;
  margin: 2px 0 8px;
}
.resume-item ul { margin: 8px 0 0; padding-left: 20px; }
.resume-item li { margin-bottom: 4px; color: var(--muted); }

.skills-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.skills-list li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 14px;
  color: var(--muted);
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 28px 0;
  color: var(--muted);
  font-size: 15px;
}
.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  justify-content: space-between;
  align-items: center;
}
.site-footer .contact { display: flex; gap: 18px; flex-wrap: wrap; }

/* ---------- Mobile ---------- */

@media (max-width: 560px) {
  body { font-size: 16px; }
  .intro h1 { font-size: 28px; }
  .lead { font-size: 17px; }
  main { padding: 32px 0 48px; }
  .site-header .wrap { flex-direction: column; align-items: flex-start; }
}