/* ============================================================
   BCKP.IT — stil global
   Paletă: albastru #1d4ed8 pe fundal light; hero pe navy
   ============================================================ */

:root{
  --bg:#f7f8fa;
  --surface:#ffffff;
  --ink:#131c2e;
  --muted:#5a6478;
  --accent:#1d4ed8;
  --accent-ink:#1a3fae;
  --accent-soft:#e9eefc;
  --navy:#0e1a33;
  --navy-2:#16264a;
  --teal:#0d9488;          /* accent secundar — folosit cu moderație */
  --border:#e3e7ee;
  --radius:10px;
  --shadow:0 1px 2px rgba(16,24,40,.05);
  --shadow-lift:0 14px 28px -10px rgba(16,24,40,.16);
  --font:'IBM Plex Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',Helvetica,Arial,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){ html{scroll-behavior:auto} }

body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.6;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}

img,svg{display:block;max-width:100%}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}

.container{max-width:1140px;margin:0 auto;padding:0 24px}

h1,h2,h3{line-height:1.2;margin:0 0 .5em;font-weight:600;text-wrap:balance}
h1{font-size:clamp(2rem,4.2vw,3.1rem);letter-spacing:-.02em}
h2{font-size:clamp(1.5rem,2.6vw,2.1rem);letter-spacing:-.015em}
h3{font-size:1.1rem}
p{margin:0 0 1em}
.lead{font-size:1.125rem;color:var(--muted);max-width:56ch;text-wrap:pretty}

.eyebrow{
  display:inline-block;
  font-size:.8rem;font-weight:600;letter-spacing:.09em;text-transform:uppercase;
  color:var(--accent);
  background:var(--accent-soft);
  padding:5px 12px;border-radius:999px;margin-bottom:18px;
}

.section{padding:88px 0}
.section--tight{padding:64px 0}
.section-head{max-width:640px;margin-bottom:44px}
.section-head p{color:var(--muted)}

/* ---------- Butoane ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font);font-size:1rem;font-weight:600;
  padding:13px 26px;border-radius:8px;border:1px solid transparent;
  cursor:pointer;text-decoration:none;
  transition:background-color .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.btn:hover{text-decoration:none}
.btn--primary{background:var(--accent);color:#fff}
.btn--primary:hover{background:var(--accent-ink);box-shadow:0 6px 16px -6px rgba(29,78,216,.45);transform:translateY(-1px)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--border)}
.btn--ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn--light{background:#fff;color:var(--navy)}
.btn--light:hover{box-shadow:0 6px 16px -6px rgba(0,0,0,.35);transform:translateY(-1px)}
.btn--sm{padding:9px 18px;font-size:.9rem}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-size:1.3rem;font-weight:700;letter-spacing:-.02em;color:var(--ink)}
.logo span{color:var(--accent)}
.logo:hover{text-decoration:none}
.site-nav{display:flex;align-items:center;gap:28px}
.site-nav a:not(.btn){color:var(--ink);font-weight:500;font-size:.95rem}
.site-nav a:not(.btn):hover{color:var(--accent);text-decoration:none}
.site-nav a.active{color:var(--accent)}

.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;padding:10px;
  background:none;border:0;cursor:pointer;
}
.nav-toggle span{display:block;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media (max-width:820px){
  .nav-toggle{display:flex}
  .site-nav{
    position:absolute;top:68px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--border);
    padding:8px 24px 20px;
    display:none;
  }
  .site-nav.open{display:flex}
  .site-nav a:not(.btn){padding:14px 0;border-bottom:1px solid var(--border)}
  .site-nav .nav-cta{margin-top:16px}
}

/* ---------- Hero ---------- */
.hero{padding:96px 0 88px;background:linear-gradient(180deg,#fff 0%,var(--bg) 100%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero .lead{margin-top:6px}

/* Hero pe fundal navy (varianta finală) */
.hero--dark{background:linear-gradient(180deg,var(--navy) 0%,var(--navy-2) 100%);color:#fff}
.hero--dark .lead{color:rgba(255,255,255,.75)}
.hero--dark .eyebrow{background:rgba(255,255,255,.1);color:#9db8f5}
.hero--dark .btn--ghost{color:#fff;border-color:rgba(255,255,255,.3)}
.hero--dark .btn--ghost:hover{border-color:#fff;color:#fff}

@media (max-width:920px){
  .hero{padding:64px 0}
  .hero-grid{grid-template-columns:1fr;gap:44px}
}

/* ---------- Diagramă schematică (SVG inline) ---------- */
.diagram{width:100%;height:auto}
.diagram .d-box{fill:var(--surface);stroke:var(--border);stroke-width:1.5}
.diagram .d-core{fill:var(--accent);stroke:none}
.diagram .d-line{fill:none;stroke:var(--accent);stroke-width:1.8;stroke-dasharray:6 6;opacity:.55}
.diagram .d-label{font-family:var(--font);font-size:13px;font-weight:600;fill:var(--ink)}
.diagram .d-sub{font-family:var(--font);font-size:11px;font-weight:400;fill:var(--muted)}
.diagram .d-core-label{font-family:var(--font);font-size:14px;font-weight:700;fill:#fff}
.diagram .d-core-sub{font-family:var(--font);font-size:10px;fill:rgba(255,255,255,.8)}
.diagram .d-icon{stroke:var(--accent);stroke-width:1.5;fill:none;stroke-linecap:round;stroke-linejoin:round}
.diagram .d-icon--light{stroke:#fff}
@media (prefers-reduced-motion:no-preference){
  .diagram .d-line{animation:dash 1.2s linear infinite}
}
@keyframes dash{to{stroke-dashoffset:-12}}

.hero--dark .diagram .d-box{fill:rgba(255,255,255,.06);stroke:rgba(255,255,255,.22)}
.hero--dark .diagram .d-label{fill:#fff}
.hero--dark .diagram .d-sub{fill:rgba(255,255,255,.6)}
.hero--dark .diagram .d-line{stroke:#7ea2f0}
.hero--dark .diagram .d-icon{stroke:#7ea2f0}
.hero--dark .diagram .d-core{fill:#1d4ed8}

/* ---------- Bandă statistici ---------- */
.stats{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:44px 0}
.stat{text-align:center}
.stat-num{font-size:2.2rem;font-weight:700;letter-spacing:-.02em;color:var(--accent)}
.stat-label{font-size:.92rem;color:var(--muted);margin-top:2px}
@media (max-width:820px){ .stats-grid{grid-template-columns:repeat(2,1fr);gap:32px 16px} }

/* ---------- Carduri ---------- */
.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media (max-width:980px){ .cards-grid{grid-template-columns:repeat(2,1fr)} }
@media (max-width:640px){ .cards-grid{grid-template-columns:1fr} }

.card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:28px;
  box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);border-color:#d5dbe6}
.card h3{margin-top:18px}
.card p{color:var(--muted);font-size:.95rem;margin:0}
.card-icon{
  width:52px;height:52px;border-radius:12px;
  background:var(--accent-soft);color:var(--accent);
  display:flex;align-items:center;justify-content:center;
}
.card-icon svg{width:28px;height:28px;stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}

.card--link{display:block;color:inherit}
.card--link:hover{text-decoration:none}
.card--link .card-more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:.9rem;font-weight:600;color:var(--accent)}

/* ---------- Cum funcționează ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step{position:relative;padding-top:8px}
.step-num{
  width:44px;height:44px;border-radius:50%;
  background:var(--accent);color:#fff;
  font-weight:700;font-size:1.05rem;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:16px;
}
.step h3{font-size:1.02rem}
.step p{color:var(--muted);font-size:.93rem;margin:0}
.step::after{
  content:"";position:absolute;top:29px;left:56px;right:-12px;height:2px;
  background:linear-gradient(90deg,var(--border) 0 60%,transparent);
}
.step:last-child::after{display:none}
@media (max-width:920px){
  .steps{grid-template-columns:repeat(2,1fr)}
  .step::after{display:none}
}
@media (max-width:560px){ .steps{grid-template-columns:1fr} }

/* ---------- CTA final ---------- */
.cta-band{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-2) 100%);color:#fff;text-align:center}
.cta-band .container{max-width:720px}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(255,255,255,.72);margin-bottom:28px}

/* ---------- Footer ---------- */
.site-footer{background:var(--surface);border-top:1px solid var(--border);padding:56px 0 28px;font-size:.93rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:40px}
.site-footer h4{font-size:.85rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:0 0 14px}
.site-footer ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}
.site-footer a{color:var(--ink)}
.site-footer a:hover{color:var(--accent)}
.footer-desc{color:var(--muted);max-width:36ch;margin-top:10px}
.footer-bottom{border-top:1px solid var(--border);padding-top:22px;color:var(--muted);font-size:.85rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
@media (max-width:820px){ .footer-grid{grid-template-columns:1fr;gap:32px} }

/* ---------- Pagina Servicii ---------- */
.page-head{padding:72px 0 48px;background:linear-gradient(180deg,#fff 0%,var(--bg) 100%)}
.page-head .lead{margin-top:4px}

.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px}
.filter-btn{
  font-family:var(--font);font-size:.92rem;font-weight:500;
  padding:9px 18px;border-radius:999px;
  background:var(--surface);color:var(--ink);
  border:1px solid var(--border);cursor:pointer;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.filter-btn:hover{border-color:var(--accent);color:var(--accent)}
.filter-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}

.service-card ul{
  list-style:none;margin:16px 0 0;padding:0;
  display:flex;flex-direction:column;gap:7px;
  font-size:.9rem;color:var(--muted);
}
.service-card ul li{display:flex;gap:9px;align-items:baseline}
.service-card ul li::before{
  content:"";flex:none;width:6px;height:6px;border-radius:50%;
  background:var(--teal);transform:translateY(-2px);
}
.service-card.hidden{display:none}
.card-tag{display:inline-block;font-size:.72rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);background:var(--bg);border:1px solid var(--border);padding:3px 10px;border-radius:999px;margin-top:16px}

/* Caracteristici comune */
.features-list{
  display:grid;grid-template-columns:repeat(2,1fr);gap:14px 40px;
  list-style:none;margin:0;padding:0;
}
.features-list li{display:flex;gap:12px;align-items:baseline;color:var(--ink)}
.features-list li svg{flex:none;width:18px;height:18px;stroke:var(--teal);fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;transform:translateY(3px)}
@media (max-width:720px){ .features-list{grid-template-columns:1fr} }

/* ---------- Pagina Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:48px;align-items:start}
@media (max-width:920px){ .contact-grid{grid-template-columns:1fr} }

.form-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:36px;box-shadow:var(--shadow)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media (max-width:640px){ .form-row{grid-template-columns:1fr} }
.form-field{margin-bottom:20px}
.form-field label{display:block;font-size:.9rem;font-weight:600;margin-bottom:7px}
.form-field .req{color:#c2372f}
.form-field input,.form-field select,.form-field textarea{
  width:100%;font-family:var(--font);font-size:1rem;color:var(--ink);
  padding:11px 14px;border:1px solid var(--border);border-radius:8px;
  background:#fff;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-field textarea{resize:vertical;min-height:120px}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);
}
.form-field.invalid input,.form-field.invalid select,.form-field.invalid textarea{border-color:#c2372f}
.field-error{display:none;font-size:.82rem;color:#c2372f;margin-top:5px}
.form-field.invalid .field-error{display:block}

.form-check{display:flex;gap:11px;align-items:flex-start;margin:4px 0 24px}
.form-check input{width:18px;height:18px;margin-top:3px;accent-color:var(--accent);flex:none}
.form-check label{font-size:.88rem;color:var(--muted)}
.form-check.invalid label{color:#c2372f}

.form-success{
  display:none;
  background:#ecfdf5;border:1px solid #a7f3d0;color:#065f46;
  border-radius:8px;padding:16px 18px;margin-bottom:22px;font-weight:500;
}
.form-success.show{display:block}

.form-error-banner{
  display:none;
  background:#fef2f2;border:1px solid #fecaca;color:#991b1b;
  border-radius:8px;padding:16px 18px;margin-bottom:22px;font-weight:500;
}
.form-error-banner.show{display:block}

.contact-aside{display:flex;flex-direction:column;gap:24px}
.aside-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.aside-card h3{font-size:1rem;margin-bottom:14px}
.contact-lines{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;font-size:.95rem}
.contact-lines li{display:flex;gap:12px;align-items:baseline}
.contact-lines strong{min-width:74px;font-weight:600}
.next-steps{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:16px;counter-reset:ns}
.next-steps li{display:flex;gap:14px;font-size:.93rem;color:var(--muted)}
.next-steps li::before{
  counter-increment:ns;content:counter(ns);
  flex:none;width:28px;height:28px;border-radius:50%;
  background:var(--accent-soft);color:var(--accent);
  font-weight:700;font-size:.85rem;
  display:flex;align-items:center;justify-content:center;
}

/* ---------- Animații la scroll ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
.reveal-d1{transition-delay:.08s}
.reveal-d2{transition-delay:.16s}
.reveal-d3{transition-delay:.24s}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .btn,.card{transition:none}
}