/* =============================================================
   ROBOTEX — Corporate / elegant dark redesign
   ============================================================= */

:root{
  --bg-0:#0b0d10;
  --bg-1:#12151a;
  --bg-2:#171b21;
  --panel:#14171c;
  --panel-border:rgba(255,255,255,0.09);
  --line:rgba(255,255,255,0.07);
  --accent:#c9a46a;
  --accent-strong:#dab97e;
  --accent-ink:#1b1509;
  --accent-soft:rgba(201,164,106,0.10);
  --text-0:#f3f1ec;
  --text-1:#b7b9be;
  --text-2:#82858c;
  --mono: 'JetBrains Mono', 'Space Mono', 'Courier New', monospace;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --brand-font: 'Orbitron', 'Inter', sans-serif;
  --radius: 12px;
  --maxw: 1180px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }

body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.65;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

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

h1,h2,h3,h4{
  font-family:var(--sans);
  color:var(--text-0);
  margin:0 0 .5em;
  font-weight:600;
  letter-spacing:-0.015em;
  line-height:1.2;
}

.eyebrow{
  font-family:var(--mono);
  text-transform:uppercase;
  letter-spacing:.16em;
  font-size:.72rem;
  color:var(--accent);
  display:inline-flex;
  align-items:center;
  gap:.6em;
  margin-bottom:1em;
}
.eyebrow::before{
  content:"";
  width:20px;height:1px;
  background:var(--accent);
  display:inline-block;
}

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

/* ---------------- Header ---------------- */
.site-header{
  position:sticky; top:0; z-index:100;
  border-bottom:1px solid var(--line);
}
/* Blur/tint applied via a pseudo-element (not directly on .site-header) so
   backdrop-filter doesn't create a new containing block for its fixed-
   position descendants (the mobile nav overlay relies on being fixed
   relative to the viewport, not to this header). */
.site-header::before{
  content:"";
  position:absolute; inset:0;
  backdrop-filter:blur(10px);
  background:rgba(11,13,16,0.82);
  z-index:-1;
}
.site-header .container{
  display:flex; align-items:center; justify-content:space-between;
  height:76px;
}
.brand{
  display:flex; align-items:center; gap:11px;
}
.brand-icon{ height:34px; width:34px; flex-shrink:0; }
.brand-word{
  font-family:var(--brand-font);
  font-size:1.05rem;
  font-weight:700;
  color:var(--text-0);
  letter-spacing:.02em;
}
.brand .dot{ color:var(--accent); }
.brand-stack{ display:flex; flex-direction:column; justify-content:center; }
.brand-tag{
  font-family:var(--brand-font);
  font-size:.6rem;
  font-weight:500;
  color:var(--accent);
  text-transform:uppercase;
  opacity:.85;
  margin-top:3px;
}

.header-actions{
  display:flex; align-items:center; gap:10px;
}

.nav-main{
  display:flex; align-items:center; gap:4px;
}
.nav-main a{
  font-family:var(--sans);
  font-size:.88rem;
  font-weight:500;
  color:var(--text-1);
  padding:10px 16px;
  border-radius:8px;
  transition:color .2s ease, background .2s ease;
  position:relative;
}
.nav-main a:hover{ color:var(--text-0); background:rgba(255,255,255,.04); }
.nav-main a.active{ color:var(--accent); }

.nav-lang{
  display:flex; align-items:center; justify-content:center;
  font-family:var(--mono); font-size:.75rem; font-weight:700;
  border:1px solid var(--panel-border);
  border-radius:20px;
  padding:8px 14px;
  margin-left:10px;
  color:var(--text-1);
  transition:border-color .2s ease, color .2s ease, background .2s ease;
}
.nav-lang:hover{ border-color:var(--accent); color:var(--accent); }

.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  background:none; border:1px solid var(--panel-border); border-radius:10px; cursor:pointer;
  padding:8px;
  transition:border-color .2s ease, background .2s ease;
}
.nav-toggle:hover{ border-color:var(--accent); }
.nav-toggle span{
  width:24px; height:2px; background:var(--text-0); display:block;
  transition:transform .25s ease, opacity .25s ease;
}

/* ---------------- Hero (full-bleed photo + parallax + overlay) ---------------- */
.hero{
  position:relative;
  overflow:hidden;
  min-height:82vh;
  display:flex;
  align-items:center;
  padding:120px 0 90px;
}
.hero-bg{
  position:absolute;
  inset:-12% 0;
  background-size:cover;
  background-position:center;
  filter:grayscale(45%) brightness(.55);
  will-change:transform;
}
.hero-overlay{
  position:absolute; inset:0;
  background:
    linear-gradient(100deg, var(--bg-0) 22%, rgba(11,13,16,.82) 48%, rgba(11,13,16,.42) 78%),
    linear-gradient(0deg, var(--bg-0) 0%, transparent 22%);
}
.hero-content{ position:relative; z-index:2; max-width:640px; }
.hero h1{
  font-size:clamp(2.3rem, 4.6vw, 3.6rem);
  line-height:1.08;
  margin-bottom:.45em;
}
.hero h1 .accent{ color:var(--accent); }
.hero .lead{
  font-size:1.1rem;
  color:var(--text-1);
  max-width:500px;
  margin-bottom:2em;
}
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; }

.btn{
  display:inline-flex; align-items:center; gap:.5em;
  font-family:var(--sans);
  font-size:.92rem;
  font-weight:600;
  padding:14px 28px;
  border-radius:8px;
  border:1px solid var(--panel-border);
  cursor:pointer;
  transition:transform .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease;
}
.btn-primary{
  background:var(--accent);
  color:var(--accent-ink);
  border-color:transparent;
}
.btn-primary:hover{ background:var(--accent-strong); transform:translateY(-1px); box-shadow:0 12px 24px rgba(0,0,0,.35); }
.btn-ghost{ color:var(--text-0); background:rgba(255,255,255,.02); }
.btn-ghost:hover{ border-color:var(--text-0); transform:translateY(-1px); }

/* ---------------- Sections ---------------- */
section{ position:relative; z-index:1; padding:110px 0; }
.section-head{ max-width:680px; margin-bottom:56px; }
.section-head h2{ font-size:clamp(1.6rem, 2.6vw, 2.2rem); font-weight:600; }
.section-head p{ color:var(--text-1); font-size:1.05rem; }

.panel{
  background:var(--panel);
  border:1px solid var(--panel-border);
  border-radius:var(--radius);
  padding:32px;
  position:relative;
}

/* grid helpers */
.grid{ display:grid; gap:28px; }
.grid-2{ grid-template-columns:repeat(2,1fr); }
.grid-3{ grid-template-columns:repeat(3,1fr); }
.grid-4{ grid-template-columns:repeat(4,1fr); }
.grid-5{ grid-template-columns:repeat(5,1fr); }

/* Intro / about split */
.split{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:56px;
  align-items:center;
}
.split img{ border-radius:var(--radius); border:1px solid var(--panel-border); }

/* Vision / mission cards */
.vm-card{
  padding:30px;
}
.vm-card .icon{
  width:44px; height:44px;
  border-radius:9px;
  background:var(--accent-soft);
  display:flex; align-items:center; justify-content:center;
  color:var(--accent);
  margin-bottom:20px;
}
.vm-card h3{ font-size:1.1rem; }
.vm-card p{ color:var(--text-1); margin:0; }

/* Process steps */
.steps{ counter-reset:step; }
.step{
  display:flex; gap:18px; padding:22px 0;
  border-bottom:1px solid var(--line);
}
.step:last-child{ border-bottom:none; }
.step .num{
  font-family:var(--mono); color:var(--accent);
  font-size:1.3rem; min-width:44px;
}
.step h4{ margin:0 0 4px; font-size:1.02rem; color:var(--text-0); font-family:var(--sans); font-weight:600; }
.step p{ margin:0; color:var(--text-2); font-size:.95rem; }

/* Project cards */
.project-card{
  display:flex; flex-direction:column;
  overflow:hidden;
  transition:transform .25s ease, border-color .25s ease;
}
.project-card:hover{ transform:translateY(-4px); border-color:rgba(255,255,255,.18); }
.project-card .thumb{
  aspect-ratio:16/10; overflow:hidden; margin:-32px -32px 24px;
  border-bottom:1px solid var(--panel-border);
}
.project-card .thumb img{ width:100%; height:100%; object-fit:cover; filter:grayscale(20%); }
.project-card .tag{
  font-family:var(--mono); font-size:.7rem; text-transform:uppercase;
  letter-spacing:.08em; color:var(--accent); margin-bottom:10px; display:block;
}
.project-card h3{ font-size:1.15rem; margin-bottom:10px; }
.project-card p{ color:var(--text-1); font-size:.95rem; flex:1; }
.project-card .meta{
  display:flex; justify-content:space-between; align-items:center;
  margin-top:18px; padding-top:18px; border-top:1px solid var(--line);
  font-family:var(--mono); font-size:.8rem; color:var(--text-2);
}
.project-card .meta strong{ color:var(--text-0); }
.project-card.featured{ border-color:rgba(201,164,106,.35); }
.project-card .cta-link{
  margin-top:16px; display:inline-flex; align-items:center; gap:8px;
  color:var(--accent); font-family:var(--sans); font-size:.9rem; font-weight:600;
}
.project-card .cta-link svg{ transition:transform .2s ease; }
.project-card:hover .cta-link svg{ transform:translate(3px,-3px); }

/* Stats / milestones */
.stats-bar{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:var(--bg-1);
}
.stat{ text-align:center; padding:8px; }
.stat .num{
  font-family:var(--sans); font-size:clamp(1.9rem,3.4vw,2.6rem);
  color:var(--accent); font-weight:700;
  display:block;
}
.stat .label{
  font-size:.78rem; text-transform:uppercase; letter-spacing:.05em;
  color:var(--text-2); margin-top:8px;
}

/* Testimonial */
.testimonial{
  display:grid; grid-template-columns:200px 1fr; gap:44px; align-items:center;
}
.testimonial img{ border-radius:var(--radius); border:1px solid var(--panel-border); filter:grayscale(35%); }
.testimonial blockquote{
  margin:0; font-size:1.15rem; color:var(--text-0); line-height:1.7;
  font-style:normal; font-weight:400;
}
.testimonial blockquote::before{ content:"\201C"; color:var(--accent); font-size:2.1rem; line-height:0; vertical-align:-.4em; margin-right:.1em; }
.testimonial cite{ display:block; margin-top:20px; font-family:var(--mono); font-size:.82rem; color:var(--text-2); font-style:normal; }

/* Team */
.team-card{ text-align:center; padding:26px 18px; }
.team-card img{
  width:100%; aspect-ratio:1/1; object-fit:cover; border-radius:10px; margin-bottom:16px;
  border:1px solid var(--panel-border);
  filter:grayscale(55%);
}
.team-card h4{ font-size:1rem; margin-bottom:4px; }
.team-card .role{ font-family:var(--mono); font-size:.76rem; color:var(--accent); }

/* Services */
.service-card{ padding:30px; }
.service-card .icon{ color:var(--accent); margin-bottom:18px; }
.service-card h3{ font-size:1.08rem; }
.service-card p{ color:var(--text-1); font-size:.92rem; margin:0; }

/* Contact */
.contact-grid{ display:grid; grid-template-columns:.9fr 1.1fr; gap:48px; }
.contact-info-item{ display:flex; gap:16px; padding:18px 0; border-bottom:1px solid var(--line); }
.contact-info-item:last-child{ border-bottom:none; }
.contact-info-item .icon{ color:var(--accent); flex-shrink:0; margin-top:2px; }
.contact-info-item h4{ font-size:.9rem; margin-bottom:4px; color:var(--text-0); font-family:var(--sans); font-weight:600;}
.contact-info-item p, .contact-info-item a{ color:var(--text-1); font-size:.95rem; margin:0; }
.social-row{ display:flex; gap:12px; margin-top:24px; }
.social-row a{
  width:40px; height:40px; border-radius:9px; border:1px solid var(--panel-border);
  display:flex; align-items:center; justify-content:center; color:var(--text-1);
  transition:border-color .2s ease, color .2s ease;
}
.social-row a:hover{ border-color:var(--accent); color:var(--accent); }

.form-field{ margin-bottom:20px; }
.form-field label{
  display:block; font-family:var(--mono); font-size:.72rem;
  text-transform:uppercase; letter-spacing:.07em; color:var(--text-2); margin-bottom:8px;
}
.form-field input, .form-field textarea{
  width:100%; background:var(--bg-1); border:1px solid var(--panel-border);
  border-radius:8px; padding:13px 16px; color:var(--text-0); font-family:var(--sans);
  font-size:.95rem; resize:vertical;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.form-field input:focus, .form-field textarea:focus{
  outline:none; border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-soft);
}
.form-msg{ margin-top:16px; font-family:var(--sans); font-size:.9rem; display:none; }
.form-msg.show{ display:block; }
.form-msg.ok{ color:var(--accent); }
.form-msg.err{ color:#e08a6e; }
.hp-field{ position:absolute; left:-9999px; opacity:0; }

/* Partners */
.partners-row{
  display:flex; align-items:center; justify-content:center; gap:60px; flex-wrap:wrap;
}
.partners-row a{
  font-family:var(--sans); color:var(--text-2); font-size:1rem; font-weight:500;
  border:1px solid var(--panel-border); padding:14px 28px; border-radius:8px;
  transition:color .2s ease, border-color .2s ease;
}
.partners-row a:hover{ color:var(--accent); border-color:var(--accent); }

/* Footer */
.site-footer{
  border-top:1px solid var(--line);
  padding:70px 0 30px;
  position:relative; z-index:1;
  background:var(--bg-1);
}
.footer-grid{
  display:grid; grid-template-columns:1.4fr repeat(4,1fr); gap:40px;
  margin-bottom:50px;
}
.footer-brand p{ color:var(--text-2); font-size:.9rem; max-width:260px; }
.footer-col h5{
  font-family:var(--mono); font-size:.72rem; text-transform:uppercase;
  letter-spacing:.07em; color:var(--text-0); margin-bottom:16px;
}
.footer-col a, .footer-col span{
  display:block; color:var(--text-2); font-size:.9rem; margin-bottom:10px;
}
.footer-col a:hover{ color:var(--accent); }
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center;
  padding-top:26px; border-top:1px solid var(--line);
  font-size:.82rem; color:var(--text-2); flex-wrap:wrap; gap:12px;
}

/* Reveal on scroll (progressive enhancement: hidden only once JS confirms it can reveal them) */
.reveal{ opacity:1; transform:none; }
html.js-reveal .reveal{ opacity:0; transform:translateY(22px); transition:opacity .6s ease, transform .6s ease; }
html.js-reveal .reveal.in{ opacity:1; transform:none; }

/* Page hero (inner pages) — quiet gradient depth, no photo */
.page-hero{
  padding:150px 0 70px;
  position:relative;
  background:
    radial-gradient(1200px 420px at 15% 0%, rgba(201,164,106,.07), transparent 60%),
    var(--bg-0);
  border-bottom:1px solid var(--line);
}
.page-hero .eyebrow{ margin-bottom:.6em; }
.page-hero h1{ font-size:clamp(2rem,3.6vw,2.8rem); max-width:720px; }
.page-hero p{ color:var(--text-1); max-width:600px; font-size:1.05rem; }

/* ---------------- Responsive ---------------- */
@media (max-width: 980px){
  .grid-4, .grid-5{ grid-template-columns:repeat(2,1fr); }
  .split, .testimonial, .contact-grid{ grid-template-columns:1fr; }
  .testimonial{ text-align:left; }
  .testimonial img{ max-width:200px; }
  .footer-grid{ grid-template-columns:repeat(3,1fr); }
}

@media (max-width: 760px){
  .nav-main{
    position:fixed; top:76px; left:0; right:0; bottom:0;
    background:var(--bg-0);
    flex-direction:column; align-items:stretch; gap:0;
    padding:20px; transform:translateX(100%);
    transition:transform .3s ease;
    z-index:99;
    overflow-y:auto;
  }
  .nav-main.open{ transform:translateX(0); }
  .nav-main a{ padding:16px; font-size:1rem; border-bottom:1px solid var(--line); }
  .header-actions{ gap:8px; }
  .nav-lang{ margin-left:0; }
  .nav-toggle{ display:flex; }
  .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); }

  .grid-2, .grid-3, .grid-4, .grid-5{ grid-template-columns:1fr; }
  section{ padding:70px 0; }
  .hero{ padding:100px 0 60px; min-height:auto; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .project-card .thumb{ margin:-32px -32px 20px; }
}

@media (max-width: 460px){
  .footer-grid{ grid-template-columns:1fr; }
  .partners-row{ gap:20px; }
}