/*
Theme Name: Tech AI Solutions
Theme URI: https://techaisolutions.nl
Author: Tech AI Solutions
Description: Bespoke theme for techaisolutions.nl — a Netherlands-based IT services company covering software, cloud, cybersecurity, and AI-driven automation. Built independently from sibling sites: its own type pairing, layout rhythm, and component system, not a reskin.
Version: 1.0.0
Requires PHP: 8.0
Text Domain: techaisolutions
*/

/*
  Tech AI Solutions — single stylesheet, no build step.

  Design system: navy (#101b33) as a structural colour used in full-width
  bands, not just text; a single vivid amber (#f5a623) accent reserved for
  calls to action and small highlights; Space Grotesk for display type,
  Manrope for body copy. Cards use a left accent rule rather than a
  centred icon tile. Section rhythm alternates full-bleed navy/white/mist
  bands instead of boxed cards on a uniform background.
*/

:root {
  --paper: #ffffff;
  --mist: #f4f6fb;
  --mist-line: #e4e8f2;
  --line: #dde2ee;

  --navy-950: #0a1122;
  --navy-900: #101b33;
  --navy-800: #182746;
  --navy-700: #253861;
  --ink: #1c2333;
  --ink-soft: #4a5568;
  --ink-mute: #6b7590;
  --ink-faint: #99a2ba;

  --amber-700: #b3690a;
  --amber-600: #d9820f;
  --amber-500: #f5a623;
  --amber-400: #ffc25c;
  --amber-100: #fef0d9;
  --amber-50: #fff8ec;
  --on-amber: #191204;

  --teal-500: #2fa39a;
  --teal-50: #e9f7f5;

  --green-600: #1f8a5f;
  --green-50: #eaf8f1;
  --red-600: #c9403a;
  --red-50: #fdecea;

  --radius-s: 6px;
  --radius-m: 12px;
  --radius-l: 22px;
  --ring: 0 0 0 1px rgba(16, 27, 51, 0.06);
  --shadow: 0 1px 2px rgba(16, 27, 51, 0.05), 0 18px 40px -22px rgba(16, 27, 51, 0.35);

  --wrap: 1220px;
  --wrap-narrow: 740px;

  --font-display: "Space Grotesk", "Segoe UI", sans-serif;
  --font-body: "Manrope", "Segoe UI", sans-serif;
}

@font-face { font-display: swap; }

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink-soft);
  background: var(--paper);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1.15;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

p { margin: 0; }
a { color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font: inherit; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--navy-900);
  color: #fff;
  padding: 0.75rem 1.25rem;
  z-index: 200;
  border-radius: 0 0 var(--radius-s) 0;
}
.skip-link:focus { left: 0; }

:focus-visible { outline: 2px solid var(--amber-500); outline-offset: 2px; }

/* ---------- Layout primitives ---------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: 1.25rem;
}
.wrap-narrow {
  width: 100%;
  max-width: var(--wrap-narrow);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.band { padding-block: 3.5rem; }
.band-mist { background: var(--mist); }
.band-navy { background: var(--navy-900); color: #c7cfe3; }
.band-navy h2, .band-navy h3 { color: #fff; }
.band-navy .lede { color: #9aa6c4; }

@media (min-width: 780px) {
  .band { padding-block: 5.5rem; }
}

/* Single-column bands (every page except the homepage split-hero)
   otherwise leave a wide dead gap beside the text on large screens. */
.band > .wrap:not(:has(.split)) {
  max-width: 780px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber-600);
}
.eyebrow::before {
  content: "";
  width: 20px;
  height: 2px;
  background: var(--amber-500);
  border-radius: 2px;
}
.band-navy .eyebrow { color: var(--amber-400); }

.section-head { max-width: 640px; margin-bottom: 2.25rem; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head h2 { margin-top: 0.7rem; font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.3rem); }
.section-head .lede { margin-top: 0.8rem; font-size: 1.05rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.4rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.94rem;
  font-family: var(--font-body);
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-lg { padding: 0.95rem 1.7rem; font-size: 1rem; }
.btn-block { width: 100%; justify-content: center; }

.btn-amber { background: var(--amber-500); color: var(--on-amber); }
.btn-amber:hover { background: var(--amber-600); }

.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--amber-500); color: var(--amber-700); }

.btn-ghost-light { background: transparent; color: #fff; border-color: rgba(255,255,255,0.3); }
.btn-ghost-light:hover { border-color: #fff; }

/* ---------- Header ---------- */
.masthead {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--mist-line);
}
.masthead-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 4.5rem;
}
.brand { display: flex; align-items: center; gap: 0.65rem; text-decoration: none; }
.brand-mark { flex-shrink: 0; }
.brand-word {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.08rem;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.brand-word .hl { color: var(--amber-600); }
.brand-sub {
  display: block;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.primary-nav { display: none; }
.primary-nav ul { display: flex; align-items: center; gap: 1.9rem; list-style: none; margin: 0; padding: 0; }
@media (min-width: 980px) {
  .primary-nav { display: flex; align-items: center; }
  .primary-nav a {
    text-decoration: none;
    color: var(--ink-soft);
    font-weight: 600;
    font-size: 0.94rem;
  }
  .primary-nav a:hover { color: var(--ink); }
}

.masthead-actions { display: flex; align-items: center; gap: 0.75rem; }
.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  color: var(--ink);
}
@media (min-width: 980px) { .nav-toggle { display: none; } }

.mobile-nav { border-top: 1px solid var(--mist-line); background: var(--paper); }
.mobile-nav[hidden] { display: none; }
.mobile-nav ul { list-style: none; margin: 0; padding-block: 0.5rem; padding-inline: 0; }
.mobile-nav a {
  display: block;
  padding: 0.85rem 0;
  text-decoration: none;
  color: var(--ink-soft);
  font-weight: 600;
  border-bottom: 1px solid var(--mist-line);
}
@media (min-width: 980px) { .mobile-nav { display: none !important; } }

/* ---------- Breadcrumbs ---------- */
.crumbs { padding-block: 0.9rem; font-size: 0.83rem; color: var(--ink-faint); }
.crumbs ol { display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: center; }
.crumbs a { text-decoration: none; color: var(--ink-faint); }
.crumbs a:hover { color: var(--amber-600); }
.crumbs [aria-current="page"] { color: var(--ink-soft); font-weight: 600; }

/* ---------- Hero ---------- */
.hero {
  padding-block: 3.25rem;
  background: var(--navy-900);
  color: #c7cfe3;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto auto;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(245, 166, 35, 0.16), transparent 70%);
  pointer-events: none;
}
@media (min-width: 780px) { .hero { padding-block: 5rem 4.5rem; } }

.hero h1 { color: #fff; font-size: clamp(2rem, 1.5rem + 2.1vw, 2.9rem); margin-top: 0.8rem; }
.hero .lede { margin-top: 1rem; font-size: 1.08rem; max-width: 46ch; color: #a8b1cc; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.6rem; }
.hero-points { margin-top: 1.5rem; display: flex; flex-wrap: wrap; gap: 0.5rem 1.4rem; font-size: 0.85rem; color: #8d97b6; }
.hero-points li { display: flex; align-items: center; gap: 0.45rem; }
.hero-points svg { color: var(--amber-400); flex-shrink: 0; }

.split { display: grid; gap: 2.5rem; align-items: center; position: relative; }
@media (min-width: 960px) { .split { grid-template-columns: 1.05fr 0.95fr; gap: 3rem; } }

/* ---------- Panel (hero visual) ---------- */
.panel {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-l);
  padding: 1.5rem;
  position: relative;
  backdrop-filter: blur(6px);
}
.panel-head { display: flex; align-items: center; justify-content: space-between; }
.panel-title { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: #8d97b6; }
.panel-tag { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.72rem; color: var(--amber-400); font-weight: 600; }
.panel-tag::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--amber-400); }
.panel-rows { margin-top: 1.1rem; display: grid; gap: 0.6rem; }
.panel-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.8rem 1rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-m);
}
.panel-row.hl { border-color: rgba(245,166,35,0.45); background: rgba(245,166,35,0.08); }
.panel-row .ico {
  width: 2.1rem; height: 2.1rem; flex-shrink: 0;
  display: grid; place-items: center;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-s);
  color: var(--amber-400);
}
.panel-row span.t { font-weight: 600; font-size: 0.88rem; color: #eef1f9; }
.panel-note { margin-top: 0.9rem; font-size: 0.72rem; color: #6f7999; }

/* ---------- Grids & cards ---------- */
.grid { display: grid; gap: 1.25rem; }
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr; }
@media (min-width: 640px) {
  .grid-2 { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 900px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}
.grid > * { min-width: 0; }

.tile {
  background: var(--paper);
  border: 1px solid var(--mist-line);
  border-left: 3px solid var(--amber-500);
  border-radius: var(--radius-m);
  padding: 1.5rem;
  text-decoration: none;
  color: inherit;
  display: block;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}
a.tile:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.tile h3 { font-size: 1.02rem; margin-bottom: 0.5rem; }
.tile p { font-size: 0.92rem; color: var(--ink-mute); }
.tile .tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--amber-600);
  margin-bottom: 0.6rem;
}

.stat-row { display: flex; flex-wrap: wrap; gap: 1.5rem 2.5rem; }
.stat-row .stat { display: flex; flex-direction: column; gap: 0.2rem; }
.stat-row .stat .n { font-family: var(--font-display); font-weight: 700; font-size: 1.6rem; color: var(--ink); }
.stat-row .stat .l { font-size: 0.82rem; color: var(--ink-mute); }

/* ---------- Steps ---------- */
.steps { display: grid; gap: 1.1rem; }
@media (min-width: 780px) { .steps { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); } }
.step {
  background: var(--mist);
  border-radius: var(--radius-m);
  padding: 1.4rem;
  position: relative;
}
.step .n {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--amber-500);
  -webkit-text-stroke: 1px var(--amber-600);
}
.step h3 { margin-top: 0.6rem; font-size: 0.98rem; }
.step p { margin-top: 0.4rem; font-size: 0.88rem; color: var(--ink-mute); }

/* ---------- Comparison ---------- */
.duo { display: grid; gap: 1.25rem; }
@media (min-width: 780px) { .duo { grid-template-columns: 1fr 1fr; } }
.duo-card { padding: 1.6rem; border-radius: var(--radius-m); }
.duo-card.dim { background: var(--mist); }
.duo-card.lit { background: var(--navy-900); color: #cbd3e8; }
.duo-card.lit h3 { color: var(--amber-400); }
.duo-card h3 { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 1rem; }
.duo-card ul { display: grid; gap: 0.7rem; font-size: 0.92rem; }
.duo-card li { display: flex; gap: 0.6rem; }
.duo-card li::before { content: "—"; color: var(--ink-faint); flex-shrink: 0; }
.duo-card.lit li::before { color: var(--amber-400); }

/* ---------- FAQ ---------- */
.faq-list { display: grid; gap: 0; border-top: 1px solid var(--mist-line); }
.faq-item { border-bottom: 1px solid var(--mist-line); }
.faq-item summary {
  padding-block: 1.1rem;
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item .ico { color: var(--amber-600); transition: transform 0.15s ease; flex-shrink: 0; }
.faq-item[open] .ico { transform: rotate(45deg); }
.faq-item p { padding-bottom: 1.1rem; font-size: 0.94rem; color: var(--ink-mute); max-width: 68ch; }

/* ---------- CTA band ---------- */
.cta {
  background: var(--navy-900);
  border-radius: var(--radius-l);
  padding: 2.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta::after {
  content: "";
  position: absolute;
  inset: auto -15% -40% auto;
  width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(245,166,35,0.18), transparent 70%);
}
.cta h2 { color: #fff; }
.cta p { margin-top: 0.7rem; color: #a8b1cc; max-width: 52ch; margin-inline: auto; }
.cta-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.75rem; margin-top: 1.5rem; position: relative; }

/* ---------- Forms ---------- */
.form-shell {
  background: var(--paper);
  border: 1px solid var(--mist-line);
  border-radius: var(--radius-l);
  padding: 1.75rem;
  box-shadow: var(--shadow);
}
.form-grid { display: grid; gap: 1rem; }
@media (min-width: 640px) { .form-grid.cols-2 { grid-template-columns: 1fr 1fr; } }
.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 0.85rem; font-weight: 600; color: var(--ink); }
.field input, .field select, .field textarea {
  font: inherit;
  font-size: 0.94rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  background: var(--paper);
  color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--amber-500);
  box-shadow: 0 0 0 3px var(--amber-100);
}
.field textarea { resize: vertical; min-height: 7rem; }
.field .err { font-size: 0.8rem; color: var(--red-600); min-height: 1.1em; }
.field.is-invalid input, .field.is-invalid select, .field.is-invalid textarea { border-color: var(--red-600); }
.req { color: var(--amber-600); }

.notice { display: none; align-items: flex-start; gap: 0.7rem; padding: 1rem 1.15rem; border-radius: var(--radius-m); margin-top: 1.1rem; font-size: 0.92rem; }
.notice.is-visible { display: flex; }
.notice-ok { background: var(--green-50); color: #0c5e3f; border: 1px solid #bfe6d3; }
.notice-error { background: var(--red-50); color: #8f2c27; border: 1px solid #f3c5c1; }
.notice svg { width: 20px; height: 20px; flex-shrink: 0; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-950); color: #8d97b6; padding-block: 3.5rem 1.75rem; }
.footer-grid { display: grid; gap: 2.25rem; grid-template-columns: 1fr; }
@media (min-width: 780px) { .footer-grid { grid-template-columns: 1.3fr 1fr 1fr 1fr; } }
.footer-about p { margin-top: 0.9rem; font-size: 0.9rem; max-width: 32ch; }
.footer-about .brand-word { color: #fff; }
.footer-contact { margin-top: 1.1rem; display: grid; gap: 0.4rem; font-size: 0.9rem; }
.footer-contact a { text-decoration: none; color: #c7cfe3; }
.footer-contact a:hover { color: var(--amber-400); }
.footer-head { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: #5c6684; margin-bottom: 0.9rem; }
.footer-links { display: grid; gap: 0.55rem; }
.footer-links a { text-decoration: none; color: #9aa6c4; font-size: 0.9rem; }
.footer-links a:hover { color: var(--amber-400); }
.footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
}
.footer-legal { display: flex; flex-wrap: wrap; gap: 1.25rem; }
.footer-legal a { text-decoration: none; color: #8d97b6; }
.footer-legal a:hover { color: var(--amber-400); }

/* ---------- WhatsApp widget ---------- */
.whatsapp-float {
  position: fixed;
  left: 1.5rem;
  bottom: 1.5rem;
  z-index: 70;
  width: 3.4rem;
  height: 3.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #25d366;
  color: #fff;
  border-radius: 50%;
  box-shadow: 0 10px 24px rgba(0,0,0,0.25);
  transition: transform 0.15s ease;
}
.whatsapp-float:hover { transform: scale(1.06); }

/* ---------- Prose (legal pages) ---------- */
.prose h2 { margin-top: 2rem; font-size: 1.2rem; }
.prose p, .prose li { margin-top: 0.8rem; font-size: 0.95rem; }
.prose ul { list-style: disc; padding-left: 1.3rem; }
.prose ul li::marker { color: var(--amber-500); }

/* ---------- Blog ---------- */
.post-grid { display: grid; gap: 1.5rem; }
@media (min-width: 700px) { .post-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1040px) { .post-grid { grid-template-columns: repeat(3, 1fr); } }
.post-card {
  background: var(--paper);
  border: 1px solid var(--mist-line);
  border-radius: var(--radius-m);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
}
.post-card .thumb { aspect-ratio: 16/10; background: var(--mist); }
.post-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.post-card .body { padding: 1.25rem; }
.post-card .cat { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--amber-600); }
.post-card h3 { margin-top: 0.5rem; font-size: 1.02rem; }
.post-card .excerpt { margin-top: 0.5rem; font-size: 0.88rem; color: var(--ink-mute); }
.empty-note { text-align: center; padding-block: 2.5rem; color: var(--ink-mute); }

/* ---------- Error page ---------- */
.error-band { text-align: center; padding-block: 5rem; }
.error-code { font-family: var(--font-display); font-size: 4rem; font-weight: 700; color: var(--amber-500); -webkit-text-stroke: 1px var(--amber-600); }

/* ---------- Utilities ---------- */
.center { text-align: center; }
.mt-lg { margin-top: 2rem; }