/*
Theme Name: DevOpsSchool Company
Theme URI: https://www.devopsschool.nl/
Author: DevOpsSchool
Author URI: https://www.devopsschool.nl/
Description: Custom corporate theme for DevOpsSchool — the leading DevOps, SRE, DevSecOps, Cloud, Kubernetes, GitOps and FinOps consulting, support and training company in the Netherlands and Europe.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: devopsschool
*/

:root {
  --navy-900: #0b1220;
  --navy-800: #0f172a;
  --navy-700: #1e293b;
  --blue-600: #2563eb;
  --blue-700: #1d4ed8;
  --cyan-500: #06b6d4;
  --cyan-400: #22d3ee;
  --amber-500: #f59e0b;
  --slate-50: #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --white: #ffffff;
  --radius: 14px;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, .08);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, .10);
  --shadow-lg: 0 20px 48px rgba(15, 23, 42, .16);
  --container: 1200px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.7;
  color: var(--slate-700);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; }
a { color: var(--blue-600); text-decoration: none; }
a:hover { color: var(--blue-700); }
h1, h2, h3, h4, h5, h6 {
  color: var(--navy-800);
  line-height: 1.25;
  margin: 0 0 .6em;
  font-weight: 800;
  letter-spacing: -.02em;
}
h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.1rem; }
p { margin: 0 0 1.2em; }
ul, ol { padding-left: 1.3em; }
hr { border: 0; border-top: 1px solid var(--slate-200); margin: 2.5rem 0; }
blockquote {
  margin: 1.5rem 0; padding: 1rem 1.5rem;
  border-left: 4px solid var(--blue-600);
  background: var(--slate-50); border-radius: 0 var(--radius) var(--radius) 0;
}
table { border-collapse: collapse; width: 100%; margin: 1.5rem 0; }
th, td { border: 1px solid var(--slate-200); padding: .6rem .9rem; text-align: left; }
th { background: var(--slate-50); }
pre { background: var(--navy-800); color: #e2e8f0; padding: 1.2rem; border-radius: var(--radius); overflow-x: auto; font-size: .9rem; }
code { background: var(--slate-100); padding: .15em .4em; border-radius: 5px; font-size: .9em; }
pre code { background: none; padding: 0; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.screen-reader-text {
  clip: rect(1px, 1px, 1px, 1px); position: absolute !important;
  height: 1px; width: 1px; overflow: hidden; word-wrap: normal !important;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; padding: .85rem 1.8rem; border-radius: 10px;
  font-weight: 700; font-size: .98rem; letter-spacing: .01em;
  transition: all .2s ease; border: 2px solid transparent; cursor: pointer;
}
.btn-primary { background: var(--blue-600); color: #fff !important; }
.btn-primary:hover { background: var(--blue-700); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline { border-color: var(--slate-200); color: var(--navy-800) !important; background: #fff; }
.btn-outline:hover { border-color: var(--blue-600); color: var(--blue-600) !important; }
.btn-light { background: #fff; color: var(--navy-800) !important; }
.btn-light:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-ghost-light { border-color: rgba(255,255,255,.35); color: #fff !important; }
.btn-ghost-light:hover { background: rgba(255,255,255,.1); border-color: #fff; }
.btn-amber { background: var(--amber-500); color: var(--navy-900) !important; }
.btn-amber:hover { background: #fbbf24; transform: translateY(-2px); box-shadow: var(--shadow-md); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,.92); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--slate-200);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; min-height: 74px;
}
.site-branding a { display: flex; align-items: center; gap: 11px; }
.logo-mark { flex: 0 0 auto; display: block; }
.logo-text { line-height: 1.1; }
.logo-text .logo-name {
  display: block; font-weight: 800; font-size: 1.25rem; color: var(--navy-800);
  letter-spacing: -.02em;
}
.logo-text .logo-name span { color: var(--blue-600); }
.logo-text .logo-tag {
  display: block; font-size: .62rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: .14em; color: var(--slate-500);
}

.main-nav ul { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; gap: 2px; }
.main-nav li { position: relative; }
.main-nav a {
  display: block; padding: .6rem .85rem; color: var(--slate-700);
  font-weight: 600; font-size: .95rem; border-radius: 8px;
}
.main-nav a:hover, .main-nav .current-menu-item > a, .main-nav .current_page_item > a {
  color: var(--blue-600); background: var(--slate-50);
}
/* dropdowns */
.main-nav li li { width: 100%; }
.main-nav ul ul {
  position: absolute; top: 100%; left: 0; min-width: 230px;
  background: #fff; border: 1px solid var(--slate-200); border-radius: 12px;
  box-shadow: var(--shadow-lg); padding: 8px;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: all .18s ease; flex-direction: column; display: flex;
}
.main-nav li:hover > ul, .main-nav li:focus-within > ul {
  opacity: 1; visibility: visible; transform: translateY(4px);
}
.main-nav ul ul a { padding: .55rem .8rem; }
.main-nav .menu-item-has-children > a::after {
  content: ""; display: inline-block; margin-left: 7px;
  border: 4px solid transparent; border-top-color: currentColor;
  transform: translateY(2px);
}
.main-nav li li.menu-item-has-children > a::after { display: none; }
.header-cta { flex: 0 0 auto; }
.header-cta .btn { padding: .65rem 1.4rem; }

/* mobile toggle */
.nav-toggle {
  display: none; background: none; border: 0; cursor: pointer; padding: 10px;
}
.nav-toggle span {
  display: block; width: 24px; height: 2.5px; background: var(--navy-800);
  margin: 5px 0; border-radius: 2px; transition: all .25s ease;
}

@media (max-width: 991px) {
  .nav-toggle { display: block; }
  .header-cta { display: none; }
  .main-nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--slate-200);
    box-shadow: var(--shadow-lg); padding: 12px 24px 20px;
    max-height: calc(100vh - 74px); overflow-y: auto;
  }
  .main-nav.is-open { display: block; }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .main-nav ul ul {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: 0; padding: 0 0 0 16px; min-width: 0;
  }
  body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
  body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
  body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }
}

/* ---------- Sections ---------- */
.section { padding: 90px 0; }
.section-tight { padding: 64px 0; }
.section-dark { background: var(--navy-900); }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-dark p { color: var(--slate-400); }
.section-gray { background: var(--slate-50); }
.section-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.section-head p { font-size: 1.1rem; color: var(--slate-500); }
.eyebrow {
  display: inline-block; font-size: .78rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .16em; color: var(--blue-600);
  margin-bottom: .9rem;
}
.section-dark .eyebrow { color: var(--cyan-400); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--navy-900) 0%, #101c3a 55%, #0d2447 100%);
  color: #fff; padding: 110px 0 130px;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(600px 400px at 85% 20%, rgba(37, 99, 235, .28), transparent 65%),
    radial-gradient(500px 400px at 10% 90%, rgba(6, 182, 212, .18), transparent 60%);
  pointer-events: none;
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 64px; align-items: center; }
.hero h1 { color: #fff; margin-bottom: 1.1rem; }
.hero h1 .accent { color: var(--cyan-400); }
.hero-lead { font-size: 1.18rem; color: var(--slate-400); max-width: 560px; margin-bottom: 2rem; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14);
  color: var(--cyan-400); font-size: .82rem; font-weight: 700;
  padding: .45rem 1rem; border-radius: 999px; margin-bottom: 1.6rem;
  letter-spacing: .04em; text-transform: uppercase;
}
.hero-badge::before { content: "●"; font-size: .6rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 3rem; }
.hero-stats { display: flex; flex-wrap: wrap; gap: 40px; }
.hero-stat .num { font-size: 1.9rem; font-weight: 800; color: #fff; letter-spacing: -.02em; }
.hero-stat .num em { color: var(--cyan-400); font-style: normal; }
.hero-stat .lbl { font-size: .85rem; color: var(--slate-400); }
.hero-card {
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.12);
  border-radius: 20px; padding: 28px; backdrop-filter: blur(8px);
}
.hero-card h3 { color: #fff; font-size: 1.05rem; margin-bottom: 1.1rem; }
.hero-terminal {
  background: #0a0f1c; border-radius: 12px; padding: 18px 20px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: .82rem; line-height: 1.9; color: var(--slate-400);
  border: 1px solid rgba(255,255,255,.08);
}
.hero-terminal .t-dots { display: flex; gap: 6px; margin-bottom: 12px; }
.hero-terminal .t-dots i { width: 10px; height: 10px; border-radius: 50%; display: block; }
.hero-terminal .prompt { color: var(--cyan-400); }
.hero-terminal .ok { color: #4ade80; }

/* ---------- Tech strip ---------- */
.tech-strip { background: var(--navy-800); border-top: 1px solid rgba(255,255,255,.06); padding: 26px 0; }
.tech-strip-inner {
  display: flex; flex-wrap: wrap; justify-content: center; align-items: center;
  gap: 14px 30px;
}
.tech-strip span {
  color: var(--slate-400); font-weight: 700; font-size: .92rem;
  letter-spacing: .06em; text-transform: uppercase;
}
.tech-strip .sep { color: var(--slate-600); font-size: .6rem; }

/* ---------- Cards ---------- */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.card-grid-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: #fff; border: 1px solid var(--slate-200); border-radius: var(--radius);
  padding: 34px 30px; transition: all .25s ease; position: relative;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.card-icon {
  width: 54px; height: 54px; border-radius: 13px; display: flex;
  align-items: center; justify-content: center; margin-bottom: 20px;
  background: linear-gradient(135deg, var(--blue-600), var(--cyan-500));
  color: #fff;
}
.card h3 { font-size: 1.2rem; }
.card p { color: var(--slate-500); font-size: .97rem; margin-bottom: 1rem; }
.card .card-link { font-weight: 700; font-size: .92rem; }
.card .card-link::after { content: " →"; }
.card ul { color: var(--slate-500); font-size: .95rem; padding-left: 1.1em; margin: 0; }
.card ul li { margin-bottom: .35em; }

/* expertise chips */
.chip-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.chip {
  background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius); padding: 22px 16px; text-align: center;
  transition: all .2s ease;
}
.chip:hover { border-color: var(--cyan-500); background: rgba(6,182,212,.08); transform: translateY(-4px); }
.chip .chip-ic { font-size: 1.6rem; display: block; margin-bottom: 10px; }
.chip .chip-name { color: #fff; font-weight: 700; font-size: .95rem; display: block; }
.chip .chip-sub { color: var(--slate-500); font-size: .78rem; }

/* ---------- Split section ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.split h2 { margin-bottom: 1rem; }
.check-list { list-style: none; padding: 0; margin: 1.5rem 0 2rem; }
.check-list li {
  padding-left: 34px; position: relative; margin-bottom: .9rem;
  color: var(--slate-600); font-weight: 500;
}
.check-list li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  width: 23px; height: 23px; border-radius: 50%;
  background: rgba(37,99,235,.1); color: var(--blue-600);
  font-size: .8rem; font-weight: 800; display: flex; align-items: center; justify-content: center;
}
.stat-tiles { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.stat-tile {
  background: var(--slate-50); border: 1px solid var(--slate-200);
  border-radius: var(--radius); padding: 30px 26px;
}
.stat-tile .num { font-size: 2.3rem; font-weight: 800; color: var(--navy-800); letter-spacing: -.03em; }
.stat-tile .num em { color: var(--blue-600); font-style: normal; }
.stat-tile .lbl { color: var(--slate-500); font-size: .92rem; font-weight: 600; }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--blue-700), var(--blue-600) 55%, var(--cyan-500));
  border-radius: 24px; padding: 70px 60px; text-align: center;
  position: relative; overflow: hidden;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,.85); font-size: 1.12rem; max-width: 620px; margin: 0 auto 2rem; }
.cta-band .btn { margin: 0 8px; }

/* ---------- Blog cards ---------- */
.post-card {
  background: #fff; border: 1px solid var(--slate-200); border-radius: var(--radius);
  overflow: hidden; transition: all .25s ease; display: flex; flex-direction: column;
}
.post-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.post-card .thumb { aspect-ratio: 16/9; background: linear-gradient(135deg, var(--navy-700), var(--navy-900)); display: block; }
.post-card .thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.post-card .body { padding: 26px; flex: 1; display: flex; flex-direction: column; }
.post-card .meta { font-size: .82rem; color: var(--slate-500); text-transform: uppercase; letter-spacing: .08em; font-weight: 600; margin-bottom: .7rem; }
.post-card h3 { font-size: 1.12rem; line-height: 1.4; }
.post-card h3 a { color: var(--navy-800); }
.post-card h3 a:hover { color: var(--blue-600); }
.post-card .excerpt { color: var(--slate-500); font-size: .93rem; flex: 1; }

/* ---------- Page hero / inner pages ---------- */
.page-hero {
  background: linear-gradient(135deg, var(--navy-900), #0d2447);
  color: #fff; padding: 72px 0; position: relative; overflow: hidden;
}
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(500px 300px at 90% 30%, rgba(37,99,235,.25), transparent 60%);
}
.page-hero h1 { color: #fff; margin: 0; position: relative; }
.page-hero .crumbs { position: relative; color: var(--slate-400); font-size: .88rem; font-weight: 600; margin-bottom: .8rem; }
.page-hero .crumbs a { color: var(--cyan-400); }
.page-content { padding: 70px 0 90px; }
.entry-content { max-width: 820px; margin: 0 auto; }
.entry-content img { border-radius: var(--radius); }
.entry-content h2 { margin-top: 2.2rem; }
.entry-content h3 { margin-top: 1.8rem; }
.content-wide .entry-content { max-width: none; }

/* blog archive */
.archive-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.pagination { margin-top: 56px; text-align: center; }
.pagination .nav-links { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; }
.pagination .page-numbers {
  display: inline-block; padding: .55rem 1rem; border-radius: 9px;
  border: 1px solid var(--slate-200); color: var(--slate-600); font-weight: 600;
}
.pagination .page-numbers.current { background: var(--blue-600); color: #fff; border-color: var(--blue-600); }
.pagination a.page-numbers:hover { border-color: var(--blue-600); color: var(--blue-600); }

/* single post */
.single-meta { color: var(--slate-500); font-size: .9rem; margin-bottom: 2rem; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-900); color: var(--slate-400); }
.footer-main { padding: 70px 0 50px; display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 48px; }
.site-footer h4 { color: #fff; font-size: .95rem; text-transform: uppercase; letter-spacing: .1em; margin-bottom: 1.2rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer ul li { margin-bottom: .6rem; }
.site-footer a { color: var(--slate-400); }
.site-footer a:hover { color: var(--cyan-400); }
.footer-about p { font-size: .93rem; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08); padding: 22px 0;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  font-size: .87rem; flex-wrap: wrap;
}
.footer-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 1rem; }
.footer-tags span {
  border: 1px solid rgba(255,255,255,.12); border-radius: 999px;
  padding: .2rem .7rem; font-size: .75rem; color: var(--slate-400);
}

/* ---------- Responsive ---------- */
@media (max-width: 991px) {
  .section { padding: 64px 0; }
  .hero { padding: 70px 0 80px; }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .card-grid, .card-grid-4 { grid-template-columns: 1fr 1fr; }
  .chip-grid { grid-template-columns: repeat(3, 1fr); }
  .split { grid-template-columns: 1fr; gap: 48px; }
  .archive-grid { grid-template-columns: 1fr 1fr; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .cta-band { padding: 50px 32px; }
}
@media (max-width: 599px) {
  body { font-size: 16px; }
  .card-grid, .card-grid-2, .card-grid-4, .archive-grid { grid-template-columns: 1fr; }
  .chip-grid { grid-template-columns: 1fr 1fr; }
  .footer-main { grid-template-columns: 1fr; gap: 36px; }
  .hero-stats { gap: 24px; }
  .footer-bottom { justify-content: center; text-align: center; }
}