/* Oleksii Kuzkin — DevOps / Cloud Engineer resume site */

@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url('fonts/archivo.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('fonts/jetbrains-mono.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --acc: #CBFF4D;
  --acc-ink: #0B0C0D;
  --acc-text: #CBFF4D;
  --bg: #0B0C0D;
  --surf: #131517;
  --surf2: #191C1F;
  --line: #25292E;
  --ink: #EDEFF1;
  --dim: #9AA1A8;
  --faint: #6B737B;
}

:root[data-theme="light"] {
  --acc: #CBFF4D;
  --acc-ink: #141902;
  --acc-text: #3F5B06;
  --bg: #F3F3F0;
  --surf: #FFFFFF;
  --surf2: #FAFAF7;
  --line: #E0E0DA;
  --ink: #15181A;
  --dim: #565D64;
  --faint: #7C848B;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Archivo', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  transition: background .25s ease, color .25s ease;
}

a {
  color: var(--acc-text);
  text-decoration: none;
}
a:hover {
  color: var(--ink);
}

::selection {
  background: var(--acc);
  color: var(--acc-ink);
}

.mono {
  font-family: 'JetBrains Mono', monospace;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .35; transform: scale(.7); }
}

@media (prefers-reduced-motion: reduce) {
  .pulse-dot { animation: none; }
}

@media print {
  :root {
    --bg: #fff; --surf: #fff; --surf2: #fff; --line: #c9c9c9;
    --ink: #000; --dim: #333; --faint: #555; --acc-text: #000;
  }
  [data-noprint] { display: none !important; }
}

.page {
  min-height: 100vh;
  background: var(--bg);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in oklab, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.site-header .row {
  max-width: 1080px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.monogram {
  width: 26px;
  height: 26px;
  flex: none;
  display: grid;
  place-items: center;
  background: var(--acc);
  color: var(--acc-ink);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: -.5px;
}
.byline {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

@media (max-width: 640px) {
  .byline { display: none; }
}
.site-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 4px;
}
.site-nav a {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  padding: 6px 10px;
  color: var(--dim);
  border-radius: 4px;
}
.site-nav a:hover {
  color: var(--ink);
  background: var(--surf);
}
.theme-toggle {
  margin-left: 6px;
  width: 32px;
  height: 32px;
  flex: none;
  display: grid;
  place-items: center;
  background: var(--surf);
  border: 1px solid var(--line);
  border-radius: 5px;
  color: var(--dim);
  cursor: pointer;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  line-height: 1;
}
.theme-toggle:hover {
  color: var(--ink);
  border-color: var(--acc);
}

/* Hero */
.hero {
  max-width: 1080px;
  margin: 0 auto;
  padding: clamp(48px, 8vw, 96px) 24px clamp(40px, 6vw, 64px);
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 6px 12px 6px 10px;
  border: 1px solid var(--line);
  border-radius: 100px;
  background: var(--surf);
  margin-bottom: clamp(28px, 5vw, 44px);
}
.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--acc);
  animation: pulse 2.4s ease-in-out infinite;
}
.pill span.mono {
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--ink);
}
.hero h1 {
  margin: 0;
  font-size: clamp(44px, 9.5vw, 104px);
  line-height: .92;
  font-weight: 800;
  letter-spacing: -.035em;
  text-wrap: balance;
}
.role-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  align-items: baseline;
  margin: 22px 0 0;
}
.role-row .role {
  margin: 0;
  font-size: clamp(19px, 2.4vw, 26px);
  font-weight: 600;
  letter-spacing: -.02em;
  color: var(--ink);
}
.role-row .loc {
  margin: 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--faint);
}
.summary {
  margin: clamp(24px, 4vw, 34px) 0 0;
  max-width: 62ch;
  font-size: clamp(16px, 1.8vw, 19px);
  line-height: 1.62;
  color: var(--dim);
  text-wrap: pretty;
}
.summary strong {
  color: var(--ink);
  font-weight: 600;
}
.stat-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: clamp(34px, 5vw, 52px);
}
.stat-cell {
  background: var(--surf);
  padding: 20px 22px;
}
.stat-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(26px, 3.4vw, 34px);
  font-weight: 700;
  color: var(--acc-text);
  letter-spacing: -.03em;
}
.stat-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: .05em;
  color: var(--faint);
  margin-top: 6px;
  text-transform: uppercase;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(28px, 4vw, 36px);
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 13px 20px;
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: -.01em;
  border-radius: 6px;
}
.btn-primary {
  background: var(--acc);
  color: var(--acc-ink);
}
.btn-primary:hover {
  opacity: .85;
  color: var(--acc-ink);
}
.btn-secondary {
  border: 1px solid var(--line);
  background: var(--surf);
  color: var(--ink);
}
.btn-secondary:hover {
  border-color: var(--acc);
  color: var(--ink);
}

/* Sections */
section {
  max-width: 1080px;
  margin: 0 auto;
  padding: clamp(32px, 5vw, 56px) 24px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 72px;
}
.section-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 26px;
}
.section-head h2 {
  margin: 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--faint);
}
.section-head .rule {
  flex: 1;
  height: 1px;
  background: var(--line);
}

/* Certifications */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}
.cert-card {
  border: 1px solid var(--line);
  border-top: 2px solid var(--acc);
  background: var(--surf);
  padding: 20px;
}
.cert-card:hover {
  background: var(--surf2);
}
.cert-issuer {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--acc-text);
  margin-bottom: 12px;
}
.cert-name {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.25;
}
.cert-meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  color: var(--faint);
  margin-top: 10px;
}

/* Skills */
.skills-stack {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.skills-row {
  background: var(--surf);
  padding: 18px 20px;
  display: grid;
  grid-template-columns: minmax(150px, 200px) 1fr;
  gap: 8px 24px;
  align-items: baseline;
}
.skills-cat {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--faint);
  text-transform: uppercase;
}
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}
.chip {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  padding: 5px 10px;
  background: var(--surf2);
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--ink);
}
.chip.highlight {
  background: var(--acc);
  color: var(--acc-ink);
  font-weight: 500;
  border: none;
}

/* Projects */
.lead {
  margin: 0 0 26px;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.6;
  color: var(--dim);
}
.project-list {
  display: grid;
  gap: 14px;
}
.project-card {
  border: 1px solid var(--line);
  background: var(--surf);
  padding: clamp(20px, 3vw, 28px);
}
.project-card:hover {
  border-color: var(--acc);
}
.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: baseline;
  margin-bottom: 14px;
}
.project-cat {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--acc-text);
  letter-spacing: .06em;
}
.project-year {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--faint);
  margin-left: auto;
}
.project-card h3 {
  margin: 0;
  font-size: clamp(20px, 2.4vw, 25px);
  font-weight: 700;
  letter-spacing: -.025em;
  line-height: 1.2;
}
.project-blurb {
  margin: 12px 0 0;
  max-width: 70ch;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--dim);
}
.project-bullets {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}
.project-bullets li {
  display: grid;
  grid-template-columns: 14px 1fr;
  gap: 12px;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--ink);
}
.project-bullets li .marker {
  color: var(--acc-text);
  font-family: 'JetBrains Mono', monospace;
}
.project-bullets code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--acc-text);
}
.project-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  padding: 4px 9px;
  background: var(--surf2);
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--dim);
}

/* Contact */
#contact {
  padding-bottom: clamp(24px, 4vw, 40px);
}
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(24px, 4vw, 48px);
}
.contact-statement {
  margin: 0 0 22px;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  letter-spacing: -.03em;
  line-height: 1.25;
  max-width: 22ch;
  text-wrap: balance;
}
.contact-links {
  display: grid;
  gap: 10px;
}
.contact-links a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 18px;
  border: 1px solid var(--line);
  background: var(--surf);
  border-radius: 6px;
  color: var(--ink);
}
.contact-links a:hover {
  border-color: var(--acc);
  background: var(--surf2);
  color: var(--ink);
}
.contact-links .label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--faint);
  width: 66px;
  flex: none;
}
.contact-links .handle {
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  font-weight: 500;
}
.contact-links .arrow {
  margin-left: auto;
  color: var(--acc-text);
  font-family: 'JetBrains Mono', monospace;
}
.info-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  align-content: start;
}
.info-cell {
  background: var(--surf);
  padding: 16px 18px;
}
.info-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  letter-spacing: .08em;
  color: var(--faint);
  text-transform: uppercase;
}
.info-value {
  font-size: 15.5px;
  font-weight: 600;
  margin-top: 6px;
  line-height: 1.4;
}
.info-cell a.info-value {
  display: inline-block;
  color: var(--acc-text);
}
.info-cell a.info-value:hover {
  color: var(--ink);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--surf);
}
.site-footer .row {
  max-width: 1080px;
  margin: 0 auto;
  padding: clamp(24px, 4vw, 36px) 24px;
}
.hosting-note {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: flex-start;
  max-width: 76ch;
}
.hosting-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--acc-text);
  padding: 4px 8px;
  border: 1px solid var(--acc);
  border-radius: 3px;
  white-space: nowrap;
}
.hosting-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--dim);
  flex: 1;
  min-width: 240px;
}
.footer-baseline {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  align-items: center;
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.footer-baseline .mono {
  font-size: 11.5px;
  color: var(--faint);
}
.footer-baseline .right {
  margin-left: auto;
}