/* =========================================================
   ABNET — design tokens
   Culori:  #0B0B0C (aproape negru, text/fundal dark)
            #FAFAF9 (alb cald, fundal principal)
            #6B6D76 (gri, text secundar)
            #E7E7E5 (gri deschis, borduri/fundaluri card)
            #2451FF (albastru-semnal, accent unic)
   Tipografie: Space Grotesk (titluri) / Inter (text) / JetBrains Mono (etichete)
   ========================================================= */

:root {
  --ink: #0b0b0c;
  --paper: #fafaf9;
  --muted: #6b6d76;
  --line: #e7e7e5;
  --card: #f2f2f0;
  --accent: #2451ff;
  --accent-ink: #ffffff;

  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --max-w: 1120px;
  --radius: 10px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

p { margin: 0 0 1em; color: var(--muted); }

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

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.9em;
}

/* focus vizibil peste tot, pentru accesibilitate */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85em 1.6em;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
}
.btn-primary:hover { background: #1b3fd6; }

.btn-ghost {
  background: transparent;
  border-color: var(--ink);
  color: var(--ink);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.btn-nav {
  padding: 0.6em 1.3em;
  font-size: 0.88rem;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 250, 249, 0.85);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
  margin-right: auto;
}
.logo-mark { color: var(--accent); display: inline-flex; }

.main-nav {
  display: flex;
  gap: 28px;
}
.main-nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink);
  position: relative;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}
.main-nav a:hover::after { transform: scaleX(1); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 0 auto;
  background: var(--ink);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 92px 0 80px;
}

.hero-inner {
  max-width: 640px;
  position: relative;
  z-index: 2;
}

.hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.4rem);
}

.hero-lead {
  font-size: 1.08rem;
  max-width: 46ch;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 1.6em;
}

.hero-graphic {
  position: absolute;
  right: -40px;
  top: 50%;
  transform: translateY(-50%);
  width: 620px;
  opacity: 0.9;
  z-index: 1;
  pointer-events: none;
}
.node-lines line {
  stroke: var(--line);
  stroke-width: 1.4;
}
.node-dots circle {
  fill: var(--ink);
}
.node-dots circle:nth-child(1) { fill: var(--accent); }
.node-dots circle:nth-child(5) { fill: var(--accent); }
.node-dots circle:nth-child(6) { fill: var(--accent); }

/* ---------- Servicii ---------- */
.servicii {
  padding: 72px 0;
  border-top: 1px solid var(--line);
}

.servicii h2 { font-size: clamp(1.7rem, 3vw, 2.2rem); }

.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 40px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 9px;
  background: var(--paper);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 16px;
}

.card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.4em;
}

.card p { margin: 0; font-size: 0.92rem; }

/* ---------- Despre ---------- */
.despre {
  padding: 72px 0;
  background: var(--ink);
  color: var(--paper);
}
.despre .eyebrow { color: #7f97ff; }
.despre h2 {
  color: var(--paper);
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  max-width: 18ch;
}
.despre-text { max-width: 680px; }
.despre p { color: #b7b8bf; }

.stat-list {
  list-style: none;
  display: flex;
  gap: 36px;
  padding: 0;
  margin: 32px 0 0;
  flex-wrap: wrap;
}
.stat-list li {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.stat-list strong {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--paper);
}
.stat-list span {
  font-size: 0.82rem;
  color: #8c8e97;
}

/* ---------- Contact ---------- */
.contact {
  padding: 76px 0 90px;
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 56px;
}

.contact h2 { font-size: clamp(1.7rem, 3vw, 2.2rem); }
.contact-lead { max-width: 40ch; }

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 24px;
  font-family: var(--font-mono);
  font-size: 0.92rem;
}
.contact-details a { color: var(--ink); width: fit-content; }
.contact-details a:hover { color: var(--accent); }
.contact-details span { color: var(--muted); }

.contact-form {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-row label {
  font-size: 0.85rem;
  font-weight: 600;
}
.form-row .optional {
  font-weight: 400;
  color: var(--muted);
}

.form-row input,
.form-row textarea {
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.75em 0.9em;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  resize: vertical;
}
.form-row input:focus,
.form-row textarea:focus {
  border-color: var(--accent);
}

.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.btn-submit {
  width: 100%;
  margin-top: 4px;
}
.btn-submit[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.form-status {
  margin: 0;
  font-size: 0.88rem;
  min-height: 1.2em;
}
.form-status.ok { color: #0a7a3d; }
.form-status.err { color: #c22b2b; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 26px 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--muted);
}
.footer-inner a:hover { color: var(--accent); }

/* =========================================================
   RESPONSIVE — tablete
   ========================================================= */
@media (max-width: 900px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-graphic { width: 480px; opacity: 0.55; }
}

/* =========================================================
   RESPONSIVE — telefoane
   ========================================================= */
@media (max-width: 640px) {
  .wrap { padding: 0 18px; }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    gap: 0;
    padding: 8px 18px 14px;
    display: none;
  }
  .main-nav.open { display: flex; }
  .main-nav a {
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
  }
  .main-nav a:last-child { border-bottom: none; }

  .btn-nav { display: none; }
  .nav-toggle { display: flex; }

  .hero { padding: 56px 0 56px; }
  .hero-graphic { display: none; }
  .hero-actions .btn { flex: 1 1 auto; }

  .servicii, .despre, .contact { padding: 52px 0; }
  .card-grid { grid-template-columns: 1fr; }

  .stat-list { gap: 24px; }

  .contact-form { padding: 22px; }
}