/* ============ Tokens ============ */
:root{
  --bg: #070b14;
  --bg-alt: #0b1120;
  --surface: #111a2e;
  --surface-2: #16203a;
  --border: #223052;
  --text: #e8eefc;
  --text-dim: #9fb0cf;
  --accent: #2dd4bf;
  --accent-2: #4f8cff;
  --accent-soft: rgba(45, 212, 191, .12);
  --radius: 16px;
  --radius-sm: 10px;
  --maxw: 1140px;
  --shadow: 0 20px 50px rgba(0,0,0,.35);
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Sora', var(--font);
}

*{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
ul, ol{ margin:0; padding:0; list-style:none; }

h1,h2,h3,h4{
  font-family: var(--font-display);
  line-height: 1.2;
  margin: 0 0 .6em;
  letter-spacing: -.02em;
}

p{ margin: 0 0 1em; }

.container{
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  padding: .85rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: .95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
  white-space: nowrap;
}
.btn-primary{
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #04121a;
  box-shadow: 0 10px 30px rgba(45,212,191,.22);
}
.btn-primary:hover{ transform: translateY(-2px); box-shadow: 0 16px 38px rgba(45,212,191,.32); }
.btn:disabled{ opacity: .6; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-ghost{
  border-color: var(--border);
  color: var(--text);
  background: rgba(255,255,255,.02);
}
.btn-ghost:hover{ border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.btn-lg{ padding: 1rem 2.1rem; font-size: 1rem; }
.btn-block{ width:100%; }

/* ============ Header ============ */
.site-header{
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding: 1rem 0;
  transition: background .25s ease, box-shadow .25s ease, padding .25s ease, border-color .25s ease;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled{
  background: rgba(7,11,20,.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
  padding: .55rem 0;
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 1rem;
}

.brand{ display:inline-flex; align-items:center; gap:.6rem; }
.brand-mark{
  width: 38px; height: 38px;
  display:grid; place-items:center;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color:#04121a;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
}
.brand-name{
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: .04em;
}

.nav{ display:flex; align-items:center; gap: 1.9rem; }
.nav a{
  font-size: .93rem;
  font-weight: 500;
  color: var(--text-dim);
  position: relative;
  transition: color .18s ease;
}
.nav a::after{
  content:"";
  position:absolute;
  left:0; bottom:-6px;
  height:2px; width:0;
  background: var(--accent);
  transition: width .22s ease;
}
.nav a:hover{ color: var(--text); }
.nav a:hover::after{ width:100%; }
.nav a.active{ color: var(--text); }
.nav a.active::after{ width:100%; }

.nav .nav-cta{
  padding: .55rem 1.25rem;
  border-radius: 999px;
  background: var(--accent-soft);
  border: 1px solid rgba(45,212,191,.35);
  color: var(--accent);
}
.nav .nav-cta::after{ display:none; }
.nav .nav-cta:hover{ background: rgba(45,212,191,.2); color: var(--accent); }

.nav-toggle{
  display:none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 8px;
  cursor: pointer;
}
.nav-toggle span{
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform .25s ease, opacity .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;
  padding: 11rem 0 6rem;
  overflow: hidden;
}
.hero-glow{
  position:absolute;
  top: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 1100px;
  height: 900px;
  background:
    radial-gradient(circle at 35% 35%, rgba(45,212,191,.18), transparent 55%),
    radial-gradient(circle at 68% 45%, rgba(79,140,255,.18), transparent 55%);
  filter: blur(10px);
  pointer-events:none;
}
.hero-inner{ position: relative; text-align:center; }

.eyebrow{
  display:inline-block;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(45,212,191,.25);
  padding: .4rem 1rem;
  border-radius: 999px;
  margin-bottom: 1.6rem;
}

.hero h1{
  font-size: clamp(2.1rem, 5.2vw, 3.9rem);
  max-width: 17ch;
  margin-inline: auto;
  background: linear-gradient(180deg, #ffffff, #b9cbe8);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub{
  color: var(--text-dim);
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  max-width: 62ch;
  margin: 0 auto 2.4rem;
}
.hero-actions{ display:flex; gap:.9rem; justify-content:center; flex-wrap: wrap; }

.hero-stats{
  display:flex;
  justify-content:center;
  gap: clamp(1.5rem, 6vw, 4.5rem);
  margin-top: 4.5rem;
  flex-wrap: wrap;
}
.stat{ display:flex; flex-direction: column; align-items:center; }
.stat-value{ display:flex; align-items:baseline; }
.stat-num{
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  font-weight: 800;
  color: var(--accent);
  line-height:1;
  display:inline;
}
.stat-plus{
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  font-weight: 800;
  color: var(--accent);
  line-height:1;
}
.stat-label{
  margin-top: .6rem;
  font-size: .88rem;
  color: var(--text-dim);
  letter-spacing: .02em;
}

/* ============ Trust strip ============ */
.trust-strip{
  border-block: 1px solid var(--border);
  background: rgba(255,255,255,.015);
}
.trust-inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding-block: 1.4rem;
}
.trust-inner span{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .95rem;
  color: var(--text-dim);
  opacity: .65;
  transition: opacity .2s ease, color .2s ease;
}
.trust-inner span:hover{ opacity: 1; color: var(--accent); }

/* ============ Sections ============ */
.section{ padding: 6.5rem 0; }
.section-alt{ background: var(--bg-alt); border-block: 1px solid var(--border); }

.section-eyebrow{
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: .8rem;
}
.section-title{
  font-size: clamp(1.7rem, 3.6vw, 2.5rem);
  max-width: 22ch;
}
.section-sub{
  color: var(--text-dim);
  max-width: 60ch;
  margin-bottom: 3.2rem;
  font-size: 1.02rem;
}

.grid{ display:grid; gap: 1.4rem; }
.grid-3{ grid-template-columns: repeat(3, 1fr); }
.grid-2{ grid-template-columns: repeat(2, 1fr); }

/* ============ Cards ============ */
.card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.8rem;
  position: relative;
  overflow: hidden;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.card::before{
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(135deg, rgba(45,212,191,.08), transparent 60%);
  opacity: 0;
  transition: opacity .25s ease;
}
.card:hover{ transform: translateY(-6px); border-color: rgba(45,212,191,.45); box-shadow: var(--shadow); }
.card:hover::before{ opacity:1; }
.card > *{ position: relative; }

.card-icon{
  width: 50px; height: 50px;
  border-radius: 14px;
  display:grid; place-items:center;
  background: var(--accent-soft);
  border: 1px solid rgba(45,212,191,.3);
  margin-bottom: 1.3rem;
}
.card-icon svg{
  width: 24px; height: 24px;
  stroke: var(--accent);
  stroke-width: 1.7;
  fill: none;
}
.card h3{ font-size: 1.15rem; margin-bottom: .55rem; }
.card p{ color: var(--text-dim); font-size: .95rem; margin: 0; }

/* ============ Despre ============ */
.about-grid{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 4rem;
  align-items: center;
}
.about-text{ color: var(--text-dim); }
.about-list{ margin-top: 1.6rem; display:grid; gap: .8rem; }
.about-list li{
  position: relative;
  padding-left: 2rem;
  color: var(--text);
  font-size: .97rem;
}
.about-list li::before{
  content:"";
  position:absolute;
  left:0; top: .45em;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--accent-soft);
  border: 1px solid rgba(45,212,191,.5);
}
.about-list li::after{
  content:"";
  position:absolute;
  left: 6px; top: .72em;
  width: 6px; height: 3px;
  border-left: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}

.about-visual{ display:grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.about-card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.7rem 1.3rem;
  text-align:center;
  transition: transform .25s ease, border-color .25s ease;
}
.about-card:hover{ transform: translateY(-5px); border-color: rgba(79,140,255,.5); }
.about-card-num{
  display:block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.about-card-label{ font-size: .85rem; color: var(--text-dim); }

/* ============ Proces ============ */
.process{
  display:grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.2rem;
  counter-reset: step;
}
.process-step{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem 1.4rem;
  position: relative;
  transition: transform .25s ease, border-color .25s ease;
}
.process-step:hover{ transform: translateY(-6px); border-color: rgba(45,212,191,.45); }
.process-num{
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: rgba(45,212,191,.35);
  display:block;
  margin-bottom: .6rem;
}
.process-step h3{ font-size: 1.05rem; margin-bottom: .45rem; }
.process-step p{ color: var(--text-dim); font-size: .9rem; margin:0; }

/* ============ Tehnologii ============ */
.tech-grid{ display:flex; flex-wrap: wrap; gap: .8rem; }
.tech-pill{
  padding: .65rem 1.3rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: .92rem;
  font-weight: 500;
  color: var(--text-dim);
  transition: border-color .2s ease, color .2s ease, transform .2s ease;
}
.tech-pill:hover{ border-color: var(--accent); color: var(--accent); transform: translateY(-3px); }

/* ============ Portofoliu ============ */
.project-card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.project-card:hover{ transform: translateY(-6px); border-color: rgba(79,140,255,.5); box-shadow: var(--shadow); }
.project-thumb{ height: 170px; position: relative; }
.project-thumb::after{
  content:"";
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 26px 26px;
}
.project-thumb--1{ background: linear-gradient(135deg, #12384a, #0d2340); }
.project-thumb--2{ background: linear-gradient(135deg, #1a2f57, #12203c); }
.project-thumb--3{ background: linear-gradient(135deg, #143f42, #0e2438); }
.project-body{ padding: 1.5rem 1.5rem 1.8rem; }
.project-tag{
  display:inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: .7rem;
}
.project-body h3{ font-size: 1.1rem; margin-bottom: .4rem; }
.project-body p{ color: var(--text-dim); font-size: .92rem; margin:0; }

/* ============ Testimoniale ============ */
.testimonial{
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 2rem 1.9rem;
}
.testimonial p{ font-size: 1.03rem; color: var(--text); }
.testimonial footer{ color: var(--text-dim); font-size: .88rem; }

/* ============ CTA band ============ */
.cta-band{
  padding: 5rem 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(45,212,191,.16), transparent 55%),
    radial-gradient(circle at 80% 60%, rgba(79,140,255,.16), transparent 55%),
    var(--bg-alt);
  border-block: 1px solid var(--border);
}
.cta-inner{ text-align:center; }
.cta-inner h2{ font-size: clamp(1.6rem, 3.4vw, 2.3rem); margin-bottom:.5rem; }
.cta-inner p{ color: var(--text-dim); margin-bottom: 2rem; }

/* ============ Contact ============ */
.contact-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.contact-info{ display:grid; gap: 1.1rem; }
.contact-info li{ display:flex; align-items:center; gap: .9rem; color: var(--text-dim); }
.contact-info a:hover{ color: var(--accent); }
.contact-icon{
  width: 40px; height: 40px;
  border-radius: 11px;
  display:grid; place-items:center;
  background: var(--accent-soft);
  border: 1px solid rgba(45,212,191,.3);
  flex-shrink:0;
}
.contact-icon svg{ width:19px; height:19px; stroke: var(--accent); stroke-width:1.7; fill:none; }

.contact-form{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}
.form-row{ margin-bottom: 1.1rem; }
.form-row label{
  display:block;
  font-size: .85rem;
  font-weight: 600;
  margin-bottom: .45rem;
  color: var(--text-dim);
}
.form-row input,
.form-row textarea{
  width:100%;
  padding: .85rem 1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: .95rem;
  transition: border-color .2s ease, box-shadow .2s ease;
  resize: vertical;
}
.form-row input::placeholder,
.form-row textarea::placeholder{ color: #64789b; }
.form-row input:focus,
.form-row textarea:focus{
  outline:none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(45,212,191,.14);
}
.form-row input.invalid,
.form-row textarea.invalid{ border-color: #ef5f6b; }

.form-note{
  margin: 1rem 0 0;
  font-size: .88rem;
  min-height: 1.2em;
  color: var(--accent);
}
.form-note.error{ color: #ef8a92; }

/* ============ Footer ============ */
.site-footer{
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding-top: 4rem;
}
.footer-inner{
  display:grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
}
.footer-brand p{
  color: var(--text-dim);
  font-size: .93rem;
  margin-top: 1rem;
  max-width: 42ch;
}
.footer-col h4{ font-size: .95rem; margin-bottom: 1rem; }
.footer-col a, .footer-col span{
  display:block;
  color: var(--text-dim);
  font-size: .92rem;
  margin-bottom: .55rem;
  transition: color .18s ease;
}
.footer-col a:hover{ color: var(--accent); }
.footer-bottom{
  border-top: 1px solid var(--border);
  padding-block: 1.4rem;
  color: var(--text-dim);
  font-size: .86rem;
  text-align:center;
}

/* ============ Back to top ============ */
.back-to-top{
  position: fixed;
  right: 22px; bottom: 22px;
  width: 46px; height: 46px;
  display:grid; place-items:center;
  border-radius: 50%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  z-index: 90;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity .25s ease, transform .25s ease, visibility .25s, border-color .2s ease;
}
.back-to-top.show{ opacity:1; visibility: visible; transform: translateY(0); }
.back-to-top:hover{ border-color: var(--accent); }
.back-to-top svg{ width: 20px; height:20px; stroke: var(--accent); stroke-width: 2; fill:none; }

/* ============ Reveal ============ */
.reveal{
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible{ opacity:1; transform:none; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  .reveal{ opacity:1; transform:none; transition:none; }
  *{ animation: none !important; }
}

/* ============ Responsive ============ */
@media (max-width: 1000px){
  .grid-3{ grid-template-columns: repeat(2, 1fr); }
  .process{ grid-template-columns: repeat(2, 1fr); }
  .about-grid, .contact-grid{ grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-inner{ grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px){
  .nav{
    position: fixed;
    inset: 0 0 auto 0;
    top: 68px;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(7,11,20,.97);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    padding: 1rem 24px 1.6rem;
    transform: translateY(-140%);
    transition: transform .3s ease;
  }
  .nav.open{ transform: translateY(0); }
  .nav a{ padding: .85rem 0; font-size: 1rem; border-bottom: 1px solid rgba(255,255,255,.05); }
  .nav a::after{ display:none; }
  .nav .nav-cta{ margin-top: 1rem; text-align:center; border-bottom: 0; }
  .nav-toggle{ display:flex; }

  .hero{ padding: 8.5rem 0 4.5rem; }
  .section{ padding: 4.5rem 0; }
  .grid-3, .grid-2, .process{ grid-template-columns: 1fr; }
  .about-visual{ grid-template-columns: 1fr 1fr; }
  .footer-inner{ grid-template-columns: 1fr; gap: 2rem; }
  .trust-inner{ justify-content: center; gap: 1rem 1.6rem; }
}

@media (max-width: 420px){
  .hero-actions .btn{ width: 100%; }
  .contact-form{ padding: 1.4rem; }
}