:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --color-bg: #ffffff;
  --color-bg-alt: #eaf3fa;
  --color-primary: #1a6fb0;
  --color-primary-dark: #0f4d7d;
  --color-text: #16232c;
  --color-text-muted: #566b78;
  --color-border: #cfe2ee;
  --container-width: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  display: block;
}

ul {
  list-style: none;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  position: relative;
}

.brand {
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  color: var(--color-text);
}

.brand:hover {
  text-decoration: none;
  color: var(--color-primary);
}

.site-nav {
  display: flex;
  gap: 32px;
}

.site-nav a {
  color: var(--color-text);
  font-weight: 500;
}

.site-nav a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 26px;
  height: 18px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--color-text);
}

/* Hero */
.hero {
  padding: 72px 0;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

.hero-inner {
  display: flex;
  gap: 48px;
  align-items: center;
}

.hero-photo {
  width: 220px;
  height: 220px;
  object-fit: cover;
  border: 1px solid var(--color-border);
  flex-shrink: 0;
}

.hero-content h1 {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.hero-role {
  color: var(--color-primary);
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 16px;
}

.hero-about {
  color: var(--color-text-muted);
  max-width: 620px;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 12px 28px;
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  border: 1px solid var(--color-primary);
  cursor: pointer;
  font-size: 1rem;
  font-family: inherit;
}

.btn:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  text-decoration: none;
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* Top hire-me bar */
.hire-bar {
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

.hire-me-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 0;
  position: relative;
}

.hire-me-photo img {
  width: 44px;
  height: 44px;
  object-fit: cover;
  border: 1px solid var(--color-border);
}

.hire-me-name {
  font-weight: 600;
  display: block;
  color: var(--color-text);
}

.hire-me-title {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  margin: 2px 0;
}

.hire-me-link {
  font-size: 0.85rem;
  font-weight: 600;
  margin-left: auto;
}

.hire-me-pixel {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

/* Sections */
section {
  padding: 64px 0;
}

section + section {
  border-top: 1px solid var(--color-border);
}

.section-title {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.section-subtitle {
  color: var(--color-text-muted);
  margin-bottom: 40px;
}

/* Experience */
.experience-item {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 32px;
  padding: 28px 0;
  border-top: 1px solid var(--color-border);
}

.experience-item:first-child {
  border-top: none;
  padding-top: 0;
}

.experience-meta {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.experience-role {
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 2px;
}

.experience-company {
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: 12px;
}

.experience-bullets {
  color: var(--color-text-muted);
  padding-left: 18px;
  list-style: disc;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* Skills */
.skill-groups {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
}

.skill-group h3 {
  font-size: 1rem;
  margin-bottom: 12px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  border: 1px solid var(--color-border);
  padding: 6px 14px;
  font-size: 0.85rem;
  color: var(--color-text);
  background: var(--color-bg-alt);
}

/* Education / languages / conferences */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.info-card {
  border: 1px solid var(--color-border);
  padding: 24px;
}

.info-card h3 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.info-card p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* Footer */
.site-footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding: 48px 0 24px;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  justify-content: space-between;
  align-items: flex-start;
}

.footer-col {
  flex: 1 1 280px;
}

.footer-brand {
  font-weight: 700;
  margin-bottom: 8px;
}

.footer-text {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 6px;
}

.footer-text a {
  color: var(--color-text-muted);
}

.footer-copyright {
  width: 100%;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.85rem;
}


/* Contact page */
.contact-layout {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 48px;
}

.form-group {
  margin-bottom: 20px;
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  font-size: 0.9rem;
}

input[type='text'],
input[type='email'],
textarea {
  width: 100%;
  border: 1px solid var(--color-border);
  padding: 12px 14px;
  font-family: inherit;
  font-size: 1rem;
  background: #fff;
  color: var(--color-text);
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

textarea {
  resize: vertical;
  min-height: 160px;
}

.field-validation-error {
  color: #b3261e;
  font-size: 0.85rem;
  margin-top: 4px;
  display: block;
}

.validation-summary-errors ul {
  list-style: disc;
  padding-left: 18px;
}

.validation-summary-errors {
  color: #b3261e;
  margin-bottom: 16px;
}

.alert-success {
  border: 1px solid var(--color-primary);
  background: var(--color-bg-alt);
  color: var(--color-primary-dark);
  padding: 16px;
  margin-bottom: 24px;
}

.contact-info-card {
  border: 1px solid var(--color-border);
  padding: 28px;
  background: var(--color-bg-alt);
  height: fit-content;
}

.contact-info-card h3 {
  margin-bottom: 16px;
}

.contact-info-card p {
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

/* Responsive */
@media (max-width: 860px) {
  .hero-inner {
    flex-direction: column;
    text-align: center;
  }

  .hero-about {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .experience-item {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .contact-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .site-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    gap: 0;
    display: none;
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a {
    padding: 16px 24px;
    border-top: 1px solid var(--color-border);
  }

  .nav-toggle {
    display: flex;
  }

  .footer-inner {
    flex-direction: column;
  }

  .hire-me-card {
    flex-wrap: wrap;
    row-gap: 6px;
  }

  .hire-me-link {
    margin-left: 0;
  }
}


/* ---- Support pages and admin ---- */
.narrow-page { max-width: 720px; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.8rem; font-weight: 600; color: var(--color-primary); margin-bottom: 6px; }
.device-note { color: var(--color-text-muted); font-size: 0.9rem; margin-bottom: 20px; }
.field-hint { display: block; color: var(--color-text-muted); font-size: 0.82rem; margin-top: 4px; }
.hp-field { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
textarea.short { min-height: 100px; }
input[type='password'], input[type='file'], select {
  width: 100%;
  border: 1px solid var(--color-border);
  padding: 12px 14px;
  font-family: inherit;
  font-size: 1rem;
  background: #fff;
  color: var(--color-text);
}
input[type='checkbox'] { width: auto; margin-right: 6px; }
.form-group.check label { font-weight: 500; }
.alert-error { border: 1px solid #b3261e; background: #fdecea; color: #7a1a14; padding: 14px 16px; margin-bottom: 20px; }
.muted { color: var(--color-text-muted); font-size: 0.9rem; }

/* Admin shell: sidebar menu */
.admin-body { background: var(--color-bg-alt); }
.admin-shell { display: flex; min-height: 100vh; }
.admin-side { width: 240px; flex: 0 0 240px; background: #fff; border-right: 1px solid var(--color-border); padding: 22px 16px; position: sticky; top: 0; align-self: flex-start; height: 100vh; overflow-y: auto; }
.admin-brand { display: block; font-weight: 700; font-size: 1.15rem; color: var(--color-primary-dark); margin-bottom: 18px; padding: 0 8px; }
.admin-brand span { color: var(--color-text-muted); font-weight: 500; }
.admin-menu { display: flex; flex-direction: column; gap: 2px; }
.admin-menu a { color: var(--color-text-muted); text-decoration: none; font-weight: 600; font-size: 0.93rem; padding: 8px 10px; border-left: 3px solid transparent; }
.admin-menu a:hover { background: var(--color-bg-alt); }
.admin-menu a.active { color: var(--color-primary-dark); background: var(--color-bg-alt); border-left-color: var(--color-primary); }
.admin-menu-group { text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.72rem; font-weight: 700; color: #b45309; margin: 18px 10px 4px; }
.admin-logout { margin: 8px 10px 0; }
.admin-content { flex: 1 1 auto; min-width: 0; }
.admin-topbar { display: none; }
.admin-main { padding: 28px 32px 56px; }
.admin-main section { padding: 0; }
.admin-main .container { max-width: none; padding: 0; }

@media (max-width: 860px) {
  .admin-shell { display: block; }
  .admin-topbar { display: flex; align-items: center; gap: 12px; background: #fff; border-bottom: 1px solid var(--color-border); padding: 10px 16px; font-weight: 700; color: var(--color-primary-dark); position: sticky; top: 0; z-index: 20; }
  .admin-menu-toggle { background: none; border: 0; display: flex; flex-direction: column; gap: 4px; padding: 6px; cursor: pointer; }
  .admin-menu-toggle span { display: block; width: 22px; height: 2px; background: var(--color-primary-dark); }
  .admin-side { display: none; position: static; width: auto; height: auto; flex: none; border-right: 0; border-bottom: 1px solid var(--color-border); }
  .admin-side.open { display: block; }
  .admin-main { padding: 20px 16px 40px; }
}

.link-button { background: none; border: 0; color: var(--color-primary); font: inherit; cursor: pointer; padding: 0; text-decoration: underline; }
.link-button.danger { color: #b3261e; }

.stat { display: flex; flex-direction: column; text-decoration: none; color: inherit; }
.stat-number { font-size: 2.2rem; font-weight: 700; color: var(--color-primary-dark); line-height: 1.1; }

.filter-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 18px; }
.chip { border: 1px solid var(--color-border); padding: 4px 12px; text-decoration: none; color: var(--color-text-muted); font-size: 0.88rem; }
.chip.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }

.table-wrap { overflow-x: auto; }
.admin-table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
.admin-table th, .admin-table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--color-border); vertical-align: top; }
.admin-table th { background: var(--color-bg-alt); font-weight: 600; white-space: nowrap; }

.badge { display: inline-block; padding: 2px 10px; font-size: 0.8rem; font-weight: 600; border: 1px solid var(--color-border); }
.status-new { background: #fff4e5; color: #8a4b00; border-color: #f0c98a; }
.status-inprogress { background: #e8f1fb; color: #0f4d7d; border-color: #b9d4ee; }
.status-done { background: #e6f4ea; color: #1b5e30; border-color: #a9d6b5; }

.pager { display: flex; gap: 18px; align-items: center; margin-top: 18px; }

.ticket-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 40px; }
.ticket-title { margin-bottom: 10px; }
.ticket-body { white-space: pre-wrap; margin-bottom: 18px; }
.ticket-grid h3 { margin: 22px 0 8px; }
.thumbs { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 8px; }
.thumbs img { max-width: 220px; max-height: 220px; border: 1px solid var(--color-border); display: block; }
.reply { border-left: 3px solid var(--color-primary); padding: 4px 0 4px 14px; margin-bottom: 14px; }
.reply-meta { color: var(--color-text-muted); font-size: 0.85rem; margin-bottom: 4px; }
.status-form { display: flex; flex-direction: column; gap: 8px; margin: 18px 0; }

.inline-form { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }
.inline-form input { flex: 1 1 220px; }
.row-form { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: center; }
.row-form input[type='email'] { flex: 1 1 240px; }
.row-form input[type='text'] { flex: 1 1 180px; }

@media (max-width: 800px) {
  .ticket-grid { grid-template-columns: 1fr; }
}

.app-filter { margin-left: auto; }
.app-filter select { padding: 6px 10px; font-size: 0.9rem; }

/* ---- Giveaways ---- */
.promo-code { font-size: 1.8rem; font-weight: 700; letter-spacing: 0.08em; color: var(--color-primary-dark); word-break: break-all; margin: 6px 0 14px; }
.steps { margin: 8px 0 14px 22px; }
.steps li { margin-bottom: 6px; }
.stat-row { display: flex; flex-wrap: wrap; gap: 14px; margin: 18px 0 24px; }
.stat-box { background: #fff; border: 1px solid var(--color-border); padding: 12px 18px; min-width: 150px; }
.stat-box .stat-number { font-size: 1.7rem; }
.alert-ok { border: 1px solid #a9d6b5; background: #e6f4ea; color: #1b5e30; padding: 14px 16px; margin-bottom: 20px; }
.alert-warn { border: 1px solid #f0c98a; background: #fff4e5; color: #8a4b00; padding: 14px 16px; margin-bottom: 20px; }
.admin-main .row-form select, .admin-main .inline-form select { width: auto; min-width: 120px; flex: 0 1 auto; }
.admin-main textarea { width: 100%; max-width: 560px; border: 1px solid var(--color-border); padding: 10px 12px; font-family: inherit; font-size: 0.95rem; }
.admin-main input[type='text'], .admin-main input[type='number'], .admin-main input[type='time'] { border: 1px solid var(--color-border); padding: 9px 12px; font-family: inherit; font-size: 0.95rem; background: #fff; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; max-width: 760px; margin-bottom: 16px; }
.form-grid label { display: flex; flex-direction: column; gap: 4px; font-weight: 600; font-size: 0.88rem; }
.form-grid input, .form-grid select { width: 100%; }
.flag { font-size: 1.15rem; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }

.claim-link { flex: 1 1 260px; min-width: 200px; font-size: 0.8rem; }