/* ============================================================
   AMC Engineering Ltd — shared stylesheet (EN + EL)
   ============================================================ */
:root{
  --navy:#294D65;
  --navy-deep:#17313F;
  --ink:#0D181F;
  --paper:#FFFFFF;
  --concrete:#F2F0EC;
  --steel:#6E7D87;
  --line:#DDD9D2;
  --hi:#F0B429;
  --schwing:#007E61;
  --magni:#D30B16;
  --display:"Roboto Condensed","Inter",system-ui,sans-serif;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"Roboto Mono",ui-monospace,Menlo,monospace;
  --wrap:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:17px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* ---------- type ---------- */
.eyebrow{
  font-family:var(--mono);font-size:12px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--steel);margin:0 0 18px;
}
.eyebrow.on-dark{color:var(--hi)}
h1,h2{font-family:var(--display);font-weight:700;letter-spacing:-.005em;margin:0;text-transform:capitalize}
h3{font-family:var(--display);font-weight:700;letter-spacing:0;margin:0;text-transform:capitalize}
h1{font-size:clamp(36px,5.6vw,68px);line-height:1.04}
h2{font-size:clamp(29px,4vw,46px);line-height:1.1}
h3{font-size:23px;line-height:1.22}
.lede{font-size:clamp(16.5px,1.5vw,19px);color:#3A4A54;max-width:62ch}
.lede.on-dark{color:#C8D6DE}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:60;background:var(--navy);
  border-bottom:1px solid rgba(255,255,255,.12)}
.nav-in{display:flex;align-items:center;gap:26px;height:84px}
.nav-brand{flex:none;display:flex;align-items:center}
.nav-logo{height:48px;width:auto;display:block}
@media(max-width:520px){
  .nav-in{height:70px;gap:14px}
  .nav-logo{height:38px}
}
.nav-links{display:flex;gap:24px;list-style:none;padding:0;margin-block:0}
.nav-links a{font-family:var(--display);color:#D6E2E9;text-decoration:none;font-size:16px;font-weight:500;letter-spacing:.01em;
  padding:6px 0;border-bottom:1px solid transparent}
.nav-links a:hover,.nav-links a:focus-visible{color:#fff;border-bottom-color:var(--hi)}
.nav-call{font-family:var(--mono);font-size:13px;color:var(--ink);background:var(--hi);
  padding:9px 16px;border-radius:2px;text-decoration:none;font-weight:500;white-space:nowrap}
.lang{font-family:var(--mono);font-size:12px;letter-spacing:.08em;
  border:1px solid rgba(255,255,255,.22);border-radius:2px;overflow:hidden;display:flex}
.lang a{padding:6px 10px;text-decoration:none;color:#9DB3BF}
.lang a[aria-current="true"]{background:rgba(255,255,255,.14);color:#fff}
/* ---------- mobile menu ---------- */
.nav-toggle{display:none;margin-left:auto;flex-direction:column;justify-content:center;
  gap:5px;width:40px;height:40px;padding:0 8px;background:transparent;cursor:pointer;
  border:1px solid rgba(255,255,255,.24);border-radius:2px}
.nav-toggle span{display:block;height:2px;width:100%;background:#DCE7ED;
  transition:transform .2s,opacity .2s}
.nav-toggle:focus-visible{outline:2px solid var(--hi);outline-offset:2px}
.nav.open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav.open .nav-toggle span:nth-child(2){opacity:0}
.nav.open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media(max-width:1000px){
  .nav-toggle{display:flex}
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;margin:0;
    flex-direction:column;gap:0;background:var(--navy);padding:6px 24px 18px;
    border-bottom:1px solid rgba(255,255,255,.18);
    box-shadow:0 18px 30px rgba(0,0,0,.30)}
  .nav.open .nav-links{display:flex}
  .nav-links li{border-top:1px solid rgba(255,255,255,.10)}
  .nav-links a{display:block;padding:15px 0;font-size:18px;border-bottom:0}
  .nav-links a:hover,.nav-links a:focus-visible{color:var(--hi);border-bottom-color:transparent}
}
@media(max-width:520px){
  .nav-call span{display:none}
  .nav-call::before{content:"Call"}
  html[lang="el"] .nav-call::before{content:"Τηλέφωνο"}
  .nav-toggle{margin-left:4px}
}

/* ---------- hero ---------- */
.hero{position:relative;color:#fff;overflow:hidden;padding:0;
  background:
    radial-gradient(120% 90% at 78% 100%, rgba(41,77,101,.85) 0%, rgba(23,49,63,0) 62%),
    linear-gradient(160deg,#17313F 0%,#0D181F 68%)}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:rgba(255,255,255,.14)}
.hero-in{position:relative;padding-top:clamp(14px,1.8vw,26px);width:100%}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;
  gap:clamp(20px,3.5vw,52px);align-items:stretch}
.hero-copy{display:flex;flex-direction:column;justify-content:flex-start;
  padding-bottom:clamp(32px,4.5vw,60px)}
.hero-machine{position:relative;display:flex;justify-content:center;align-items:flex-end;
  min-height:0}
.hero-machine::before{content:"";position:absolute;left:50%;bottom:4%;
  width:118%;padding-bottom:74%;transform:translateX(-50%);border-radius:50%;
  background:radial-gradient(closest-side,rgba(240,180,41,.20),rgba(240,180,41,0) 70%)}
.hero-machine img{position:relative;width:100%;max-width:560px;height:auto;
  max-height:min(70vh,640px);object-fit:contain;object-position:bottom;
  filter:drop-shadow(0 26px 46px rgba(0,0,0,.55))}
.hero-cap{position:absolute;left:0;bottom:clamp(20px,3vw,34px);
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:#9FB3BF}
.hero-cap b{color:var(--hi);font-weight:500}
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:0}
  .hero-copy{padding-bottom:20px}
  .hero-machine img{max-width:380px;max-height:400px}
  .hero-cap{position:static;margin:14px 0 26px}
}
.hero h1{color:#fff;max-width:15ch}
.hero h1 em{font-style:italic;color:var(--hi)}
.hero .lede{margin:26px 0 34px}
.btn-row{display:flex;flex-wrap:wrap;gap:14px}
.btn{display:inline-block;text-decoration:none;font-size:15px;font-weight:600;
  padding:15px 28px;border-radius:2px;border:1px solid transparent;transition:.18s;
  font-family:var(--sans);cursor:pointer}
.btn-primary{background:var(--hi);color:var(--ink)}
.btn-primary:hover{background:#ffc94a}
.btn-ghost{border-color:rgba(255,255,255,.42);color:#fff}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.hero-brands{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:38px}
.brand-chip{background:#fff;border-radius:2px;width:200px;height:104px;padding:14px;
  display:grid;place-items:center}
.brand-chip img{max-width:100%;max-height:62px;width:auto;height:auto;object-fit:contain}
@media(max-width:520px){
  .brand-chip{width:150px;height:84px;padding:12px}
  .brand-chip img{max-height:52px}
}

/* ---------- stats ---------- */
.stats{background:var(--navy);color:#fff}
.stats-in{display:grid;grid-template-columns:repeat(4,1fr)}
@media(max-width:820px){.stats-in{grid-template-columns:repeat(2,1fr)}}
.stat{padding:30px 22px;border-left:1px solid rgba(255,255,255,.14)}
.stat:first-child{border-left:0}
@media(max-width:820px){
  .stat:nth-child(3){border-left:0}
  .stat:nth-child(n+3){border-top:1px solid rgba(255,255,255,.14)}
}
.stat-num{font-family:var(--display);font-weight:700;font-size:clamp(31px,3.6vw,44px);line-height:1;display:block}
.stat-num span{font-size:.5em;color:var(--hi)}
.stat-lab{font-family:var(--mono);font-size:11px;letter-spacing:.11em;text-transform:uppercase;
  color:#9DB3BF;margin-top:12px;display:block;line-height:1.55}

/* ---------- sections ---------- */
section{padding:clamp(60px,7.5vw,106px) 0}
.sec-alt{background:var(--concrete)}
.sec-dark{background:var(--ink);color:#fff}
.sec-head{max-width:72ch;margin-bottom:clamp(34px,4.6vw,56px)}
.sec-head .lede{margin-top:18px}

/* ---------- brand head ---------- */
.brand-head{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-bottom:16px}
.brand-head img{height:52px;width:auto;background:#fff;padding:8px 12px;border-radius:2px}
.brand-rule{height:3px;width:64px;border-radius:2px}
.rule-schwing{background:var(--schwing)}
.rule-magni{background:var(--magni)}

/* ---------- feature block (image + text) ---------- */
.feature{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(28px,4vw,60px);
  align-items:center;margin-bottom:clamp(34px,4.5vw,56px)}
.feature.flip .feature-media{order:2}
@media(max-width:900px){
  .feature,.feature.flip{grid-template-columns:1fr}
  .feature.flip .feature-media{order:0}
}
.feature-media{position:relative;background:#fff;border:1px solid var(--line);
  border-radius:3px;padding:18px;display:flex;align-items:center;justify-content:center;
  min-height:280px;overflow:hidden}
.feature-media img{max-height:520px;width:auto;object-fit:contain}
.feature-media.photo{padding:0}
.feature-media.bare{border:0;background:transparent}
.svc-shot{height:clamp(200px,26vw,300px);margin-bottom:26px;border-radius:3px;overflow:hidden}
.svc-shot img{width:100%;height:100%;object-fit:cover}
.svc-contacts{margin-top:30px;padding-top:22px;border-top:1px solid rgba(255,255,255,.18)}
.svc-person{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 14px;margin:0 0 12px;font-size:15.5px}
.svc-person b{font-weight:600;color:#fff}
.svc-person span{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:#9DB3BF}
.svc-person a{font-family:var(--mono);font-size:14px;color:var(--hi);text-decoration:none;margin-left:auto;white-space:nowrap}
.svc-person a:hover{text-decoration:underline}
@media(max-width:520px){.svc-person a{margin-left:0;width:100%}}
.feature-media.photo img{width:100%;height:100%;max-height:none;object-fit:cover}
.media-tag{position:absolute;left:0;bottom:0;background:var(--ink);color:#fff;
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  padding:8px 14px}

/* ---------- key spec ---------- */
.keyspec{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin:24px 0}
.keyspec div{border-top:2px solid var(--ink);padding-top:10px}
.ks-v{font-family:var(--display);font-weight:700;font-size:28px;line-height:1.1;display:block}
.ks-v small{font-size:.52em;color:var(--steel)}
.ks-l{font-family:var(--mono);font-size:10px;letter-spacing:.09em;text-transform:uppercase;
  color:var(--steel);margin-top:6px;display:block;line-height:1.45}

/* ---------- cards ---------- */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
@media(max-width:820px){.cards{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:3px;
  display:flex;flex-direction:column;overflow:hidden}
.card-img{background:var(--concrete);height:240px;display:flex;align-items:center;justify-content:center;padding:16px}
.card-img.photo{padding:0}
.card-img.photo img{width:100%;height:100%;max-height:none;object-fit:cover}
.card-img img{max-height:100%;width:auto;object-fit:contain}
.card-body{padding:28px;display:flex;flex-direction:column;flex:1}
.card-tag{font-family:var(--mono);font-size:11px;letter-spacing:.13em;text-transform:uppercase;
  color:var(--steel);margin:0 0 10px}
.card h3{margin-bottom:6px}
.card-sub{font-size:15px;color:var(--steel);margin:0}
.card p{font-size:15.5px;color:#3F4E58;margin:0 0 20px}
.card-foot{margin-top:auto;display:flex;gap:18px;align-items:center;flex-wrap:wrap;padding-top:6px}
.link-a{font-family:var(--mono);font-size:12px;letter-spacing:.07em;text-transform:uppercase;
  text-decoration:none;color:var(--navy);border-bottom:1px solid var(--hi);padding-bottom:3px}
.link-a:hover{color:var(--ink)}
.link-ext::after{content:" \2197";font-size:11px;opacity:.75}

/* ---------- spec tables ---------- */
details.spec{margin:0 0 20px;border-top:1px solid var(--line);padding-top:16px}
details.spec summary{font-family:var(--mono);font-size:12px;letter-spacing:.07em;
  text-transform:uppercase;color:var(--navy);cursor:pointer;list-style:none}
details.spec summary::-webkit-details-marker{display:none}
details.spec summary::before{content:"+ ";color:var(--hi);font-weight:700}
details.spec[open] summary::before{content:"– "}
.spec-table{width:100%;border-collapse:collapse;margin-top:16px;font-size:14px}
.spec-table th,.spec-table td{text-align:left;padding:9px 0;border-bottom:1px solid var(--line);vertical-align:top}
.spec-table th{font-weight:500;color:var(--steel);width:52%}
.spec-table td{font-family:var(--mono);font-size:13px}
.spec-table caption{text-align:left;font-family:var(--mono);font-size:11px;letter-spacing:.09em;
  text-transform:uppercase;color:var(--steel);padding-bottom:8px}

/* ---------- roles ---------- */
.roles-head{margin-top:clamp(44px,5.5vw,68px);margin-bottom:20px}
.roles-head h2{font-size:clamp(26px,3.2vw,38px)}
.roles{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;margin-top:44px;background:var(--line)}
.roles-head + .roles{margin-top:0}
@media(max-width:820px){.roles{grid-template-columns:1fr}}
.role{background:#fff;padding:30px 26px}
.role-n{font-family:var(--mono);font-size:11px;letter-spacing:.13em;color:var(--magni);
  display:block;margin-bottom:14px}
.role h3{font-size:19px;margin-bottom:10px}
.role p{font-size:15px;color:#3F4E58;margin:0}

/* ---------- split / lists ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,4.5vw,56px)}
@media(max-width:900px){.split{grid-template-columns:1fr}}
.ticks{list-style:none;padding:0;margin:0}
.ticks li{padding:15px 0 15px 32px;border-bottom:1px solid rgba(255,255,255,.14);
  position:relative;font-size:16px}
.ticks li::before{content:"";position:absolute;left:0;top:23px;width:14px;height:2px;background:var(--hi)}
.sec-alt .ticks li{border-bottom-color:var(--line)}
.pull{font-family:var(--display);font-weight:500;font-size:clamp(22px,2.7vw,31px);line-height:1.32;
  border-left:3px solid var(--hi);padding-left:24px;margin:34px 0 0}

/* ---------- contact ---------- */
.form{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-content:start}
@media(max-width:640px){.form{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-family:var(--mono);font-size:11px;letter-spacing:.11em;
  text-transform:uppercase;color:var(--steel)}
.field input,.field select,.field textarea{font-family:var(--sans);font-size:16px;color:var(--ink);
  background:#fff;border:1px solid var(--line);border-radius:2px;padding:13px 14px;width:100%}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:2px solid var(--hi);outline-offset:1px;border-color:var(--navy)}
.field textarea{min-height:130px;resize:vertical}
.consent{grid-column:1/-1;display:flex;gap:12px;align-items:flex-start;font-size:14px;color:#4A5A64}
.consent input{width:18px;height:18px;flex:none;margin-top:3px}
.consent label{font-family:var(--sans);font-size:14px;letter-spacing:0;text-transform:none;color:#4A5A64}
.hp{position:absolute;left:-9999px}
.office{border-top:2px solid var(--ink);padding-top:18px;margin-bottom:30px}
.warranty>div{border-top:2px solid var(--ink);padding-top:22px}
.warranty .office:first-child{border-top:0;padding-top:0}
.warranty .eyebrow{margin-bottom:14px}
.office h3{font-size:18px;margin-bottom:8px}
.office p{margin:0;font-size:15.5px;color:#3F4E58}
.office .mono{font-family:var(--mono);font-size:13.5px;color:var(--ink);margin-top:8px}
.office a{color:var(--navy)}

/* ---------- footer ---------- */
.foot{background:var(--navy);color:#B9CBD6;padding:52px 0 40px;font-size:14px}
.foot-in{display:flex;gap:32px;flex-wrap:wrap;align-items:flex-start;justify-content:space-between}
.foot img{height:62px;width:auto}
.foot a{color:#DCE7ED}
.foot p{margin:0 0 8px}
.foot-note{font-family:var(--mono);font-size:11.5px;line-height:1.9;color:#8AA3B1;
  max-width:70ch;margin-top:28px}

/* ---------- whatsapp ---------- */
.wa{position:fixed;right:18px;bottom:18px;z-index:70;background:#25D366;
  width:56px;height:56px;border-radius:50%;display:grid;place-items:center;
  box-shadow:0 6px 20px rgba(0,0,0,.25);text-decoration:none}
.wa svg{width:28px;height:28px;fill:#fff}
.skip{position:absolute;left:-9999px;background:var(--hi);color:var(--ink);padding:12px 18px}
.skip:focus{left:12px;top:12px;z-index:99}

/* ---------- slideshow ---------- */
.show{position:relative;background:var(--ink);border-radius:3px;overflow:hidden}
.show-stage{position:relative;height:clamp(300px,50vw,540px);background:var(--ink)}
.show-slide{position:absolute;inset:0;opacity:0;transition:opacity .7s ease;
  display:flex;align-items:center;justify-content:center;pointer-events:none}
.show-slide.on{opacity:1;pointer-events:auto}
.show-slide img{width:100%;height:100%;object-fit:contain}
.show-cap{position:absolute;left:0;right:0;bottom:0;padding:44px 22px 16px;
  background:linear-gradient(to top,rgba(13,24,31,.92),rgba(13,24,31,0));
  font-family:var(--mono);font-size:12px;letter-spacing:.09em;text-transform:uppercase;
  color:#DCE7ED}
.show-nav{position:absolute;top:50%;transform:translateY(-50%);z-index:3;
  width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.3);
  background:rgba(13,24,31,.55);color:#fff;font-size:20px;line-height:1;cursor:pointer;
  display:grid;place-items:center;transition:.18s}
.show-nav:hover{background:var(--hi);color:var(--ink);border-color:var(--hi)}
.show-nav:focus-visible{outline:2px solid var(--hi);outline-offset:2px}
.show-prev{left:14px}
.show-next{right:14px}
.show-dots{display:flex;gap:8px;justify-content:center;padding:16px 0 0;flex-wrap:wrap}
.show-dot{width:9px;height:9px;border-radius:50%;border:0;padding:0;cursor:pointer;
  background:var(--line);transition:.2s}
.show-dot[aria-current="true"]{background:var(--navy);transform:scale(1.35)}
.sec-dark .show-dot[aria-current="true"]{background:var(--hi)}
.show-dot:focus-visible{outline:2px solid var(--hi);outline-offset:3px}
@media(max-width:600px){
  .show-nav{width:38px;height:38px}
  .show-cap{font-size:11px;padding:36px 16px 14px}
}
@media(prefers-reduced-motion:reduce){.show-slide{transition:none}}

/* ---------- reference projects ---------- */
.refs{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media(max-width:820px){.refs{grid-template-columns:1fr}}
.ref{background:#fff;border:1px solid var(--line);border-top:3px solid var(--navy);
  border-radius:3px;padding:30px}
.ref-name{font-family:var(--display);font-size:23px;font-weight:700;margin:0 0 6px}
.ref-role{font-family:var(--mono);font-size:11px;letter-spacing:.11em;text-transform:uppercase;
  color:var(--steel);margin:0 0 16px}
.ref p{font-size:15.5px;color:#3F4E58;margin:0 0 18px}
.ref-buy{border-top:1px solid var(--line);padding-top:14px;font-family:var(--mono);
  font-size:13px;color:var(--ink);margin:0}
.ref-buy b{color:var(--navy)}

/* ---------- founder quote ---------- */
.quote{border-left:3px solid var(--hi);padding:4px 0 4px 26px;margin:26px 0 18px}
.quote p{font-family:var(--display);font-weight:400;font-size:clamp(19px,2.2vw,25px);line-height:1.38;
  font-style:italic;color:var(--ink);margin:0 0 12px}
.quote cite{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--steel);font-style:normal}