/* tzefrios.gr v2 — K4net */
@font-face{font-family:"Manrope";src:url(../fonts/manrope.woff2) format("woff2");font-weight:200 800;font-style:normal;font-display:swap}
:root{
  --navy:#07233a;
  --navy-2:#0b3150;
  --aqua:#12b3c4;
  --aqua-d:#0b8fa0;
  --sun:#f5a524;
  --light:#f3f8fa;
  --ink:#0d2236;
  --muted:#5b7286;
  --line:#e1eaef;
  --font:"Manrope",system-ui,-apple-system,"Segoe UI",sans-serif;
  --wrap:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;font-family:var(--font);font-size:17px;line-height:1.65;color:var(--ink);background:#fff;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
:focus-visible{outline:3px solid var(--sun);outline-offset:3px;border-radius:4px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}
h1,h2,h3{margin:0;line-height:1.12;letter-spacing:-.02em;font-weight:800}
h2{font-size:clamp(2rem,3.8vw,3rem)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:16px;z-index:99;background:#fff;padding:8px 14px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:800;letter-spacing:.14em;color:var(--aqua);margin:0 0 14px}
.eyebrow::before{content:"";width:26px;height:2px;background:currentColor}
.center{text-align:center}
.center .eyebrow::before{display:none}
.lead-c{max-width:62ch;margin:16px auto 0;color:var(--muted)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font:800 15px var(--font);text-decoration:none;border-radius:10px;padding:15px 26px;border:0;cursor:pointer;position:relative;overflow:hidden;isolation:isolate;transition:transform .2s,box-shadow .2s,background-color .2s,border-color .2s}
.btn-aqua{background:var(--aqua);color:#fff;box-shadow:0 10px 30px -10px rgba(18,179,196,.7)}
.btn-aqua:hover{background:var(--aqua-d);transform:translateY(-2px)}
.btn-aqua::after{content:"";position:absolute;top:0;bottom:0;left:-60%;width:40%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.45),transparent);transform:skewX(-18deg);animation:shine 4.5s ease-in-out infinite;z-index:-1}
.btn-ghost{color:#fff;border:1.5px solid rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff;transform:translateY(-2px)}
@keyframes shine{0%,62%{left:-60%}100%{left:140%}}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(18,179,196,.6),0 10px 30px rgba(18,179,196,.45)}100%{box-shadow:0 0 0 22px rgba(18,179,196,0),0 10px 30px rgba(18,179,196,.45)}}

/* header */
.top{position:fixed;top:0;left:0;right:0;z-index:50;transition:background-color .3s,box-shadow .3s}
.top.solid,.top.open{background:rgba(7,35,58,.94);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 8px 30px -12px rgba(0,0,0,.5)}
.top .wrap{display:flex;align-items:center;gap:26px;height:76px}
.brand{display:flex;flex-direction:column;text-decoration:none;color:#fff;line-height:1}
.brand b{font-weight:800;font-size:24px;letter-spacing:.06em}
.brand b span{color:var(--aqua)}
.brand small{font-size:10.5px;font-weight:800;letter-spacing:.2em;color:var(--sun);margin-top:6px}
.nav{display:flex;gap:26px;margin-left:auto}
.nav a{color:#fff;text-decoration:none;font-weight:700;font-size:14.5px;opacity:.9;position:relative;padding:6px 0}
.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--aqua);transition:right .25s}
.nav a:hover::after{right:0}
.top .btn{padding:11px 20px;font-size:14px}
.lang{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:34px;border:1.5px solid rgba(255,255,255,.4);border-radius:8px;color:#fff;text-decoration:none;font-weight:800;font-size:13px}
.lang:hover{border-color:var(--aqua);color:var(--aqua)}
.menu-toggle{display:none;background:none;border:0;color:#fff;padding:8px;cursor:pointer}
.menu-toggle svg{width:28px;height:28px}

/* hero */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:center;color:#fff;overflow:hidden;background:var(--navy)}
.hero-bg{position:absolute;inset:0;overflow:hidden}
.hero-bg img{width:100%;height:100%;object-fit:cover;animation:slowzoom 24s ease-in-out infinite alternate;transform-origin:60% 40%}
@keyframes slowzoom{from{transform:scale(1)}to{transform:scale(1.14)}}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,35,58,.88) 0%,rgba(7,35,58,.62) 45%,rgba(7,35,58,.12) 80%),linear-gradient(0deg,rgba(7,35,58,.6),transparent 35%)}
.hero .wrap{position:relative;z-index:1;width:100%;padding-top:120px;padding-bottom:90px}
.hero-brand{font-size:clamp(3.2rem,8vw,6.4rem);font-weight:800;letter-spacing:.02em;line-height:.95;margin:0}
.hero-brand span{color:var(--aqua)}
.hero-sub{display:flex;align-items:center;gap:14px;font-size:13px;font-weight:800;letter-spacing:.24em;color:var(--sun);margin:14px 0 26px}
.hero-sub::before,.hero-sub::after{content:"";width:34px;height:1.5px;background:currentColor}
.pill{display:inline-flex;align-items:center;gap:10px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);border-radius:999px;padding:8px 18px 8px 12px;font-size:13px;font-weight:800;letter-spacing:.06em}
.pill svg{width:18px;height:18px;color:var(--aqua)}
.hero h1{font-size:clamp(1.6rem,3vw,2.45rem);max-width:24ch;margin:24px 0 16px;text-wrap:balance}
.hero p.lead{max-width:52ch;color:rgba(255,255,255,.85);margin:0 0 34px;font-size:1.06rem}
.hero .btns{display:flex;flex-wrap:wrap;gap:14px}
.scroll-cue{position:absolute;left:50%;bottom:24px;z-index:1;width:26px;height:42px;border:2px solid rgba(255,255,255,.6);border-radius:14px;transform:translateX(-50%)}
.scroll-cue::after{content:"";position:absolute;left:50%;top:8px;width:4px;height:8px;border-radius:2px;background:#fff;transform:translateX(-50%);animation:cue 1.8s infinite}
@keyframes cue{0%{opacity:0;transform:translate(-50%,0)}30%{opacity:1}100%{opacity:0;transform:translate(-50%,14px)}}

/* slogan band */
.slogan{background:linear-gradient(90deg,var(--aqua-d),var(--aqua) 50%,#27c7a8);color:#fff;text-align:center;font-weight:800;font-size:clamp(1.05rem,2vw,1.35rem);padding:22px 20px;letter-spacing:.01em}

/* stats */
.stats{background:var(--navy);color:#fff;padding:70px 0}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{text-align:center;padding:10px}
.stat b{display:block;font-size:clamp(2.6rem,5vw,3.8rem);font-weight:800;line-height:1;background:linear-gradient(180deg,#fff,#9fe6ee);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{display:block;margin-top:10px;color:#a9c3d3;font-weight:600;font-size:15px}

/* sections */
.sec{padding:110px 0}
.light{background:var(--light)}
.dark{background:var(--navy);color:#fff}
.dark .lead-c,.dark p{color:#b5cad8}
.split{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.photo{position:relative;border-radius:16px;overflow:hidden;box-shadow:0 40px 80px -40px rgba(7,35,58,.55)}
.photo img{width:100%;aspect-ratio:4/3.2;object-fit:cover;transition:transform 1.2s}
.photo:hover img{transform:scale(1.05)}
.photo .tag{position:absolute;left:18px;bottom:18px;background:rgba(7,35,58,.85);color:#fff;font-size:13px;font-weight:800;border-radius:8px;padding:8px 14px;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.float{animation:float2 6s ease-in-out infinite}
@keyframes float2{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.split p{color:var(--muted)}
.quote{border-left:3px solid var(--aqua);padding:4px 0 4px 18px;font-weight:800;color:var(--ink);font-size:1.1rem;margin:26px 0 0}

/* timeline steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:64px}
.step{border-top:2px solid var(--line);padding-top:20px;position:relative}
.step::before{content:"";position:absolute;top:-2px;left:0;width:0;height:2px;background:var(--aqua);transition:width 1.2s ease}
.step.in::before{width:100%}
.step time{font-size:13px;font-weight:800;letter-spacing:.14em;color:var(--aqua)}
.step h3{font-size:18px;margin:8px 0 6px}
.step p{margin:0;color:var(--muted);font-size:15.5px}

/* products */
.fish{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:56px}
.fish article{background:#fff;color:var(--ink);border-radius:16px;overflow:hidden;transition:transform .3s,box-shadow .3s}
.fish article:hover{transform:translateY(-6px);box-shadow:0 30px 60px -30px rgba(0,0,0,.6)}
.fish figure{margin:0;background:radial-gradient(ellipse at 50% 60%,#ffffff 0%,#e7f3f6 70%);padding:40px 34px 20px;position:relative}
.fish figure img{width:100%;aspect-ratio:500/180;object-fit:contain;mix-blend-mode:multiply;transition:transform .5s}
.fish article:hover figure img{transform:scale(1.04) rotate(-1deg)}
.fish .txt{padding:26px 32px 34px}
.fish h3{font-size:1.75rem}
.fish .latin{font-style:italic;color:var(--aqua-d);font-weight:700;margin:4px 0 12px}
.fish .txt p{margin:0;color:var(--muted)}

/* cards */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:56px}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:30px 26px;transition:transform .3s,box-shadow .3s,border-color .3s}
.card:hover{transform:translateY(-6px);box-shadow:0 24px 50px -28px rgba(7,35,58,.4);border-color:transparent}
.card svg{width:44px;height:44px;color:var(--aqua);margin-bottom:18px}
.card h3{font-size:18px;margin:0 0 8px}
.card p{margin:0;color:var(--muted);font-size:15.5px}

/* band */
.band{position:relative;color:#fff;overflow:hidden;text-align:center}
.band>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.band::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,35,58,.35),rgba(7,35,58,.55))}
.band .wrap{position:relative;z-index:1;padding-top:140px;padding-bottom:140px}
.band blockquote{margin:0 auto;max-width:22ch;font-size:clamp(2rem,4.4vw,3.4rem);font-weight:800;line-height:1.12;text-shadow:0 4px 30px rgba(0,0,0,.35)}
.band p{max-width:60ch;margin:22px auto 0;color:#eaf6fa;font-weight:600;text-shadow:0 2px 14px rgba(0,0,0,.4)}

/* polaroid wall */
.wall{background-color:var(--navy);color:#fff;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:44px 44px}
.wall .lead-c{color:#b5cad8}
.pols{display:grid;grid-template-columns:repeat(4,1fr);gap:46px 34px;margin:64px 0 0;padding:0 10px}
.pol{display:block;background:#fbfaf6;padding:12px 12px 0;border-radius:3px;box-shadow:0 22px 40px -18px rgba(0,0,0,.75),0 2px 6px rgba(0,0,0,.25);text-decoration:none;color:#3b4a56;transition:transform .35s cubic-bezier(.2,.8,.2,1),box-shadow .35s;position:relative}
.pol::before{content:"";position:absolute;top:-11px;left:50%;width:76px;height:22px;transform:translateX(-50%) rotate(-2deg);background:rgba(241,226,186,.78);box-shadow:0 1px 2px rgba(0,0,0,.15)}
.pol img{width:100%;aspect-ratio:4/3;object-fit:cover;filter:saturate(1.08) contrast(1.04)}
.pol span{display:block;padding:12px 4px 14px;font-weight:700;font-size:13.5px;text-align:left;font-style:italic}
.js .pol.rv{transform:translateY(26px) rotate(var(--r,0deg))}
.js .pol.rv.in,.pol{transform:rotate(var(--r,0deg))}
.pol:nth-child(4n+1){--r:-3deg}.pol:nth-child(4n+2){--r:2deg}.pol:nth-child(4n+3){--r:-1.5deg}.pol:nth-child(4n){--r:3deg}
.pol:nth-child(odd){margin-top:14px}
.pol:hover,.pol:focus-visible{transform:rotate(0) scale(1.07)!important;z-index:2;box-shadow:0 40px 60px -20px rgba(0,0,0,.85)}
.chips{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:64px}
.chips span{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.05);border-radius:999px;padding:9px 16px;font-weight:800;font-size:14px}
.chips svg{width:16px;height:16px;color:var(--aqua)}
.lb{position:fixed;inset:0;z-index:90;background:rgba(4,18,30,.95);display:none;align-items:center;justify-content:center;padding:40px}
.lb.open{display:flex}
.lb img{max-width:min(1100px,92vw);max-height:84vh;border-radius:8px}
.lb button{position:absolute;background:none;border:0;color:#fff;font-size:38px;cursor:pointer;width:56px;height:56px}
.lb .x{top:14px;right:14px}.lb .pv{left:10px;top:50%}.lb .nx{right:10px;top:50%}

/* certs */
.certs{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:56px}
.badge{display:flex;gap:22px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:16px;padding:32px}
.badge svg{width:60px;height:60px;flex:none;color:var(--aqua)}
.badge h3{font-size:20px;margin:0 0 6px}
.badge p{margin:0;color:var(--muted)}
.docs{list-style:none;margin:10px 0 0;padding:0}
.docs a{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--line);text-decoration:none;font-weight:700}
.docs a:hover{color:var(--aqua-d)}
.docs small{font-weight:800;font-size:12px;color:#fff;background:var(--aqua);border-radius:6px;padding:3px 8px}

/* contact */
.contact .wrap{display:grid;grid-template-columns:1fr 1.05fr;gap:64px}
.info dl{margin:30px 0 0;display:grid;grid-template-columns:auto 1fr;gap:16px 24px}
.info dt{color:#8fb0c4;font-size:14.5px;font-weight:700}
.info dd{margin:0;font-weight:700}
.info a{text-decoration:none}
.info a:hover{color:var(--aqua)}
.map{margin-top:32px;border-radius:14px;overflow:hidden;background:var(--navy-2);aspect-ratio:16/10;position:relative;display:grid;place-items:center;text-align:center;padding:20px}
.map iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.map button{font:800 14.5px var(--font);background:#fff;color:var(--navy);border:0;border-radius:10px;padding:12px 22px;cursor:pointer}
.map p{margin:10px 0 0;font-size:13px}
.form{background:#fff;color:var(--ink);border-radius:18px;padding:38px;box-shadow:0 40px 80px -40px rgba(0,0,0,.6)}
.form h3{font-size:1.7rem;margin-bottom:6px}
.form>p{margin:0 0 22px;color:var(--muted);font-size:15px}
.field{margin-bottom:16px}
.field label{display:block;font-weight:800;font-size:13.5px;margin-bottom:6px}
.field input,.field textarea{width:100%;font:16px var(--font);color:var(--ink);background:var(--light);border:1.5px solid var(--line);border-radius:10px;padding:12px 14px;transition:border-color .2s,background-color .2s}
.field input:focus,.field textarea:focus{border-color:var(--aqua);background:#fff;outline:none}
.field textarea{min-height:130px;resize:vertical}
.two{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--muted);margin:6px 0 20px}
.consent input{margin-top:4px;width:18px;height:18px;accent-color:var(--aqua)}
.hp{position:absolute;left:-9999px}
.send{width:100%}
.send[disabled]{opacity:.6;cursor:wait}
.msg{margin-top:14px;font-weight:800;font-size:15px}
.msg.ok{color:#14855a}.msg.err{color:#c0261d}

/* floating */
.fab{position:fixed;right:20px;bottom:24px;z-index:60;display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.fab a{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;font-size:14.5px;border-radius:999px;padding:13px 20px;color:#fff;transition:transform .2s}
.fab a:hover{transform:translateY(-2px)}
.fab .f1{background:var(--aqua);animation:pulse 2.4s infinite}
.fab .f2{background:var(--navy);box-shadow:0 10px 30px -10px rgba(0,0,0,.5)}
.fab svg{width:18px;height:18px}

footer{background:#041624;color:#8fa9bb;font-size:14px;padding:38px 0}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:20px}
footer a{text-decoration:none;color:#fff}
.js .rv{opacity:0;transform:translateY(26px);transition:opacity .8s ease,transform .8s ease}
.js .rv.in{opacity:1;transform:none}
.js .rv.d1{transition-delay:.1s}.js .rv.d2{transition-delay:.2s}.js .rv.d3{transition-delay:.3s}
.notfound{min-height:80vh;display:grid;place-items:center;text-align:center;padding:60px 20px}
.notfound h1{font-size:clamp(4rem,14vw,9rem);color:var(--aqua)}

@media (max-width:1080px){
  .nav{gap:16px}.nav a{font-size:14px}
  .split,.contact .wrap{grid-template-columns:1fr;gap:48px}
  .cards{grid-template-columns:1fr 1fr}
  .pols{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:900px){
  .nav,.top .btn{display:none}
  .lang{margin-left:auto}
  .menu-toggle{display:block}
  .top.open .nav{display:flex;flex-direction:column;position:absolute;top:76px;left:0;right:0;background:var(--navy);padding:10px 28px 22px;gap:0}
  .top.open .nav a{padding:14px 0;border-bottom:1px solid rgba(255,255,255,.1);font-size:17px}
  .stats .wrap{grid-template-columns:1fr 1fr;row-gap:40px}
  .fish,.certs{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .fab a span{display:none}.fab a{padding:14px}
}
@media (max-width:560px){
  .wrap{padding:0 16px}
  body{font-size:16px}
  .sec{padding:76px 0}
  .cards{grid-template-columns:1fr}
  .two{grid-template-columns:1fr}
  .form{padding:26px 18px}
  .pols{grid-template-columns:1fr 1fr;gap:28px 18px;padding:0}
  .hero .wrap{padding-top:110px}
  .fab{right:14px;bottom:16px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}.js .rv{opacity:1;transform:none}}
.badge>div{flex:1;min-width:0}
.brand img{height:48px;width:auto}
.flogo{height:44px;width:auto;opacity:.95}
footer .wrap{align-items:center}
@media (max-width:560px){.brand img{height:40px}}