/* ============================================================
   AEX DESIGN SYSTEM - LAYER 2: BAZA & PRIMITIVE DE LAYOUT
   Reset controlat, tipografie de baza, containere, grile,
   utilitare. Nu contine componente.
   ============================================================ */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  /* antet lipicios (72px); pe homepage se adauga bara de navigare rapida */
  scroll-padding-top: 88px;
}
body.aex-home { scroll-padding-top: 128px; }

body.aex {
  margin: 0;
  background: var(--aex-bg);
  color: var(--aex-text);
  font-family: var(--aex-font-sans);
  font-size: var(--aex-fs-base);
  line-height: var(--aex-lh-normal);
  font-weight: var(--aex-fw-regular);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "cv02","cv03","cv04","calt","kern";
  overflow-x: hidden;
}

:where(body.aex) :where(img, svg, video) { max-width: 100%; height: auto; display: block; }

:where(body.aex) :where(h1, h2, h3, h4, h5, h6) {
  margin: 0 0 var(--aex-sp-4);
  color: var(--aex-text);
  font-weight: var(--aex-fw-bold);
  line-height: var(--aex-lh-snug);
  letter-spacing: var(--aex-tracking-snug);
  text-wrap: balance;
}

:where(body.aex) h1 { font-size: var(--aex-fs-4xl); line-height: var(--aex-lh-tight); letter-spacing: var(--aex-tracking-tight); font-weight: var(--aex-fw-black); }
:where(body.aex) h2 { font-size: var(--aex-fs-3xl); line-height: var(--aex-lh-tight); letter-spacing: var(--aex-tracking-tight); font-weight: var(--aex-fw-black); }
:where(body.aex) h3 { font-size: var(--aex-fs-xl); }
:where(body.aex) h4 { font-size: var(--aex-fs-lg); font-weight: var(--aex-fw-semi); }
:where(body.aex) :where(h5, h6) { font-size: var(--aex-fs-md); font-weight: var(--aex-fw-semi); }

:where(body.aex) p { margin: 0 0 var(--aex-sp-4); }
:where(body.aex) p:last-child { margin-bottom: 0; }

:where(body.aex) a {
  color: var(--aex-text-brand);
  text-decoration: none;
  transition: color var(--aex-dur-fast) var(--aex-ease);
}
:where(body.aex) a:hover { color: var(--aex-primary-hover); }

:where(body.aex) :where(strong, b) { font-weight: var(--aex-fw-semi); color: var(--aex-text); }
:where(body.aex) :where(code, kbd, pre) { font-family: var(--aex-font-mono); font-size: .9em; }

:where(body.aex) :where(ul, ol) { margin: 0 0 var(--aex-sp-4); padding-left: 1.25em; }
:where(body.aex) li { margin-bottom: var(--aex-sp-2); }

:where(body.aex) hr {
  border: 0;
  height: 1px;
  background: var(--aex-border);
  margin: var(--aex-sp-10) 0;
}

body.aex ::selection { background: var(--aex-brand-200); color: var(--aex-n-900); }

/* Focus vizibil, accesibil */
body.aex :where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 2px solid var(--aex-primary);
  outline-offset: 3px;
  border-radius: var(--aex-r-xs);
}

/* Respecta preferinta de miscare redusa */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  body.aex *, body.aex *::before, body.aex *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

/* ---------- ICONITE ---------- */
/* Dimensiune implicita; orice componenta o poate suprascrie. */
.aex-ico {
  width: 1.25em;
  height: 1.25em;
  flex: none;
  display: inline-block;
  vertical-align: -0.22em;
}

/* ---------- CONTAINERE ---------- */
.aex-container {
  width: 100%;
  max-width: calc(var(--aex-container) + var(--aex-gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--aex-gutter);
}
.aex-container--wide { max-width: calc(var(--aex-container-wide) + var(--aex-gutter) * 2); }
.aex-container--narrow { max-width: calc(var(--aex-container-narrow) + var(--aex-gutter) * 2); }

/* ---------- SECTIUNI ---------- */
.aex-section {
  position: relative;
  padding-block: var(--aex-section-y);
}
.aex-section--tight { padding-block: calc(var(--aex-section-y) * .62); }
.aex-section--subtle { background: var(--aex-bg-subtle); }
.aex-section--muted { background: var(--aex-bg-muted); }
.aex-section--ink {
  background: var(--aex-grad-ink);
  color: #e8eef7;
  --aex-text: #ffffff;
  --aex-text-muted: #9fb8cf;
  --aex-border: rgba(255,255,255,.12);
  --aex-surface: rgba(255,255,255,.045);
  --aex-surface-raised: rgba(255,255,255,.07);
}
.aex-section--ink h1, .aex-section--ink h2,
.aex-section--ink h3, .aex-section--ink h4 { color: #fff; }

.aex-section__head {
  max-width: 720px;
  margin: 0 auto clamp(2.25rem, 1.4rem + 3vw, 4rem);
  text-align: center;
}
.aex-section__head--left { margin-inline: 0; text-align: left; }
.aex-section__lead {
  font-size: var(--aex-fs-lg);
  color: var(--aex-text-muted);
  line-height: var(--aex-lh-relaxed);
  margin-top: var(--aex-sp-4);
  text-wrap: pretty;
}

/* ---------- GRILE ---------- */
.aex-grid { display: grid; gap: var(--aex-sp-6); }
.aex-grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr)); }
.aex-grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr)); }
.aex-grid--4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr)); }
@media (min-width: 64rem) {
  .aex-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (min-width: 78rem) {
  .aex-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
.aex-grid--tight { gap: var(--aex-sp-4); }
.aex-grid--loose { gap: var(--aex-sp-8); }

.aex-split {
  display: grid;
  gap: clamp(2rem, 1rem + 4vw, 4.5rem);
  align-items: center;
  grid-template-columns: 1fr;
}
@media (min-width: 62rem) {
  .aex-split { grid-template-columns: 1fr 1fr; }
  .aex-split--wide-left { grid-template-columns: 1.15fr .85fr; }
  .aex-split--wide-right { grid-template-columns: .85fr 1.15fr; }
}

.aex-cluster {
  display: flex;
  flex-wrap: wrap;
  gap: var(--aex-sp-3);
  align-items: center;
}
.aex-stack > * + * { margin-top: var(--aex-sp-4); }

/* ---------- UTILITARE ---------- */
.aex-center { text-align: center; }
.aex-muted { color: var(--aex-text-muted); }
.aex-nowrap { white-space: nowrap; }
.aex-gradient-text {
  background: var(--aex-grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.aex-gradient-text--ai { background-image: var(--aex-grad-ai); }

.screen-reader-text, .aex-sr {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* ---------- ANIMATIE DE INTRARE ---------- */
.aex-reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--aex-dur-slow) var(--aex-ease-out),
              transform var(--aex-dur-slow) var(--aex-ease-out);
  transition-delay: var(--aex-reveal-delay, 0ms);
  will-change: opacity, transform;
}
.aex-reveal.is-visible { opacity: 1; transform: none; }
.no-js .aex-reveal { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .aex-reveal { opacity: 1; transform: none; }
}

/* ---------- INTEGRARE CU WRAPPER-ELE ASTRA ---------- */
/* Layout-ul e controlat integral de .aex-container, nu de containerul Astra. */
body.aex #content.site-content { padding: 0; margin: 0; }
body.aex #content > .ast-container {
  max-width: none;
  width: 100%;
  padding: 0;
  margin: 0;
  display: block;
}
/* Astra aplica `margin: 4em 0` pe #primary prin selectoare de container.
   Doua id-uri ne dau specificitatea necesara ca sectiunile sa fie lipite. */
body.aex #content #primary {
  width: 100%;
  margin: 0;
  padding: 0;
  float: none;
  max-width: none;
}

/* ---------- ANTET DE PAGINA INTERIOARA ---------- */
.aex-pagehead {
  position: relative;
  padding-block: clamp(2.5rem, 1.5rem + 4vw, 5rem) clamp(1.75rem, 1rem + 2.5vw, 3rem);
  background: var(--aex-bg-subtle);
  border-bottom: 1px solid var(--aex-border);
  overflow: hidden;
}
.aex-pagehead::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--aex-grad-glow);
  opacity: .55;
  pointer-events: none;
}
.aex-pagehead > * { position: relative; z-index: 1; }
.aex-pagehead__title { margin-bottom: 0; font-size: var(--aex-fs-3xl); }
.aex-pagehead__meta {
  margin-top: var(--aex-sp-4);
  font-size: var(--aex-fs-sm);
  color: var(--aex-text-muted);
}

/* ---------- CULOAREA TITLURILOR ---------- */
/* Astra impune propria culoare de heading prin `h1, .entry-content h1 {...}`,
   care bate un selector `:where()`. Reafirmam tokenul cu specificitate (0,1,1),
   suficienta cat sa castige, dar destul de joasa cat componentele
   (.aex-section--ink, .aex-cta) sa o poata suprascrie mai departe. */
body.aex h1,
body.aex h2,
body.aex h3,
body.aex h4,
body.aex h5,
body.aex h6 { color: var(--aex-text); }

body.aex .aex-section--ink h1,
body.aex .aex-section--ink h2,
body.aex .aex-section--ink h3,
body.aex .aex-section--ink h4,
body.aex .aex-cta h2 { color: #fff; }

/* Textul gradient nu are culoare proprie - trebuie sa ramana transparent. */
body.aex .aex-gradient-text { color: transparent; }