/* ==========================================================================
   projectmath — style.css
   Ένα αρχείο, χωρίς frameworks. Χρώματα μάρκας από το λογότυπο.
   ========================================================================== */

/* --- 1. Tokens ---------------------------------------------------------- */
:root{
  /* Μπλε του λογοτύπου */
  --blue-900:#12294f;
  --blue-800:#1a3a6e;
  --blue-700:#1f4685;
  --blue:#2f5da8;
  --blue-400:#6d93cc;
  --blue-200:#bdd0ea;
  --blue-50:#eef3fb;

  /* Κόκκινο του λογοτύπου */
  --red:#d81f26;
  --red-dark:#b1161c;
  --red-50:#fdeeee;

  /* Ζεστές πινελιές */
  --honey:#f2b134;
  --honey-50:#fff6e4;
  --teal:#0f9b9b;
  --teal-50:#e6f6f6;

  /* Ουδέτερα */
  --ink:#16202f;
  --body:#414f66;
  --muted:#6b7890;
  --line:#e3e9f2;
  --white:#ffffff;
  --soft:#f6f9fd;
  --cream:#fffaf1;

  /* Σχήμα */
  --r-xs:8px;
  --r-sm:12px;
  --r:20px;
  --r-lg:32px;
  --pill:999px;

  --shadow-sm:0 2px 8px rgba(22,32,47,.06);
  --shadow:0 10px 30px rgba(22,32,47,.08);
  --shadow-lg:0 24px 60px rgba(22,32,47,.12);

  --wrap:1180px;
  --gutter:clamp(1.25rem, 4vw, 2.5rem);

  --font:'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* --- 2. Reset ----------------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%; scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:clamp(1rem,.97rem + .18vw,1.075rem);
  line-height:1.75;
  color:var(--body);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%; height:auto; display:block}
a{color:var(--blue); text-decoration:none}
a:hover{color:var(--red)}
h1,h2,h3,h4{
  font-family:var(--font);
  color:var(--ink);
  line-height:1.2;
  margin:0 0 .6em;
  font-weight:800;
  letter-spacing:-.015em;
}
h1{font-size:clamp(2.1rem,1.5rem + 2.6vw,3.5rem)}
h2{font-size:clamp(1.7rem,1.3rem + 1.7vw,2.6rem)}
h3{font-size:clamp(1.2rem,1.08rem + .5vw,1.5rem)}
h4{font-size:1.075rem; font-weight:800}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0 0 1.1em; padding-left:1.3em}
li{margin-bottom:.4em}
strong{color:var(--ink); font-weight:800}
:focus-visible{outline:3px solid var(--honey); outline-offset:3px; border-radius:var(--r-xs)}
.skip{
  position:absolute; left:-9999px; top:0; z-index:200;
  background:var(--blue); color:#fff; padding:.8rem 1.2rem; border-radius:0 0 var(--r-sm) 0;
}
.skip:focus{left:0; color:#fff}

/* --- 3. Layout ---------------------------------------------------------- */
.wrap{width:min(var(--wrap),100% - var(--gutter)*2); margin-inline:auto}
.wrap-narrow{width:min(760px,100% - var(--gutter)*2); margin-inline:auto}
.section{padding:clamp(3.5rem,2rem + 6vw,6.5rem) 0}
.section--tight{padding:clamp(2.5rem,1.5rem + 4vw,4.5rem) 0}
.section--soft{background:var(--soft)}
.section--cream{background:var(--cream)}
.section--blue{background:var(--blue-900); color:#cfdcf0}
.section--blue h2,.section--blue h3{color:#fff}

.grid{display:grid; gap:clamp(1.25rem,3vw,2rem)}
.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
@media(min-width:640px){
  .grid-2{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
}
@media(min-width:980px){
  .grid-3{grid-template-columns:repeat(3,1fr)}
  .grid-4{grid-template-columns:repeat(4,1fr)}
}
.split{display:grid; gap:clamp(2rem,5vw,4rem); align-items:center; grid-template-columns:1fr}
.split--top{align-items:start}
@media(min-width:900px){
  .split{grid-template-columns:1fr 1fr}
  .split--wide-left{grid-template-columns:1.15fr .85fr}
  .split--wide-right{grid-template-columns:.85fr 1.15fr}
}
.center{text-align:center}
.stack-sm>*+*{margin-top:.75rem}

/* Επικεφαλίδα ενότητας */
.eyebrow{
  display:inline-block;
  font-size:.8rem; font-weight:800; letter-spacing:.14em; text-transform:uppercase;
  color:var(--red); margin-bottom:.9rem;
}
.section-head{max-width:720px; margin:0 auto clamp(2rem,4vw,3.25rem); text-align:center}
.section-head p{color:var(--muted); font-size:1.1em}
.lead{font-size:1.15em; color:var(--body)}

/* --- 4. Κουμπιά --------------------------------------------------------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.55em;
  font:inherit; font-weight:800; line-height:1;
  min-height:44px;
  padding:.95em 1.7em; border-radius:var(--pill); border:2px solid transparent;
  cursor:pointer; text-align:center;
  transition:transform .15s ease, box-shadow .2s ease, background-color .2s ease, color .2s ease;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--red); color:#fff; box-shadow:0 8px 20px rgba(216,31,38,.28)}
.btn-primary:hover{background:var(--red-dark); color:#fff; transform:translateY(-2px); box-shadow:0 12px 26px rgba(216,31,38,.34)}
.btn-blue{background:var(--blue); color:#fff; box-shadow:0 8px 20px rgba(47,93,168,.26)}
.btn-blue:hover{background:var(--blue-700); color:#fff; transform:translateY(-2px)}
.btn-ghost{background:transparent; color:var(--blue); border-color:var(--blue-200)}
.btn-ghost:hover{background:var(--blue-50); color:var(--blue-700); border-color:var(--blue-400)}
.btn-white{background:#fff; color:var(--blue-900)}
.btn-white:hover{background:var(--honey); color:var(--blue-900)}
.btn-sm{padding:.7em 1.25em; font-size:.92rem}
.btn-row{display:flex; flex-wrap:wrap; gap:.9rem}
.btn-row--center{justify-content:center}

/* --- 5. Header / πλοήγηση ----------------------------------------------- */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex; align-items:center; gap:1rem; min-height:78px}
.brand{margin-right:auto; display:flex; align-items:center; flex-shrink:0; min-height:44px; padding:.35rem .25rem}
.brand img{width:clamp(160px,20vw,215px)}
.nav-toggle{
  display:inline-flex; flex-direction:column; justify-content:center; gap:5px;
  width:46px; height:46px; padding:0 11px;
  background:var(--blue-50); border:none; border-radius:var(--r-sm); cursor:pointer;
}
.nav-toggle span{display:block; height:2.5px; background:var(--blue-900); border-radius:2px; transition:transform .25s, opacity .2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

.nav-menu{list-style:none; margin:0; padding:0; display:flex; align-items:center; gap:.15rem}
.nav-menu>li{position:relative; margin:0}
.nav-menu>li>a:not(.btn),.nav-menu>li>button{
  display:flex; align-items:center; gap:.35em;
  font:inherit; font-weight:700; font-size:.95rem; color:var(--ink);
  background:none; border:none; cursor:pointer;
  padding:.6rem .7rem; border-radius:var(--r-sm);
  white-space:nowrap;
}
.nav-menu>li>a:not(.btn):hover,.nav-menu>li>button:hover,
.nav-menu>li>a:not(.btn)[aria-current="page"]{background:var(--blue-50); color:var(--blue-700)}
.nav-menu>li>a[aria-current="page"]{color:var(--red)}
.caret{width:.62em; height:.62em; border-right:2.2px solid currentColor; border-bottom:2.2px solid currentColor; transform:rotate(45deg) translate(-2px,-2px); transition:transform .2s}
[aria-expanded="true"] .caret{transform:rotate(-135deg) translate(-3px,-3px)}

.submenu{
  list-style:none; margin:0; padding:.5rem;
  position:absolute; top:calc(100% + 6px); left:0; min-width:238px;
  /* το padding-top-γέφυρα μπαίνει με ::before στο .has-sub παρακάτω */
  background:#fff; border:1px solid var(--line); border-radius:var(--r);
  box-shadow:var(--shadow); display:none;
}
.submenu li{margin:0}
.submenu a{display:block; padding:.6rem .85rem; border-radius:var(--r-sm); color:var(--body); font-weight:600; font-size:.95rem}
.submenu a:hover{background:var(--blue-50); color:var(--blue-700)}
.has-sub[data-open="true"] .submenu{display:block}
/* Αόρατη γέφυρα ανάμεσα στο κουμπί και το υπομενού: χωρίς αυτήν, το ποντίκι
   περνά από κενό χώρο, το mouseleave πυροδοτείται και το μενού κλείνει. */
.has-sub[data-open="true"]::after{
  content:""; position:absolute; left:0; right:0; top:100%; height:10px;
}
.nav-cta{margin-left:.6rem}

/* Εναλλαγή γλώσσας */
.nav-lang>a{
  display:flex; align-items:center; gap:.4em;
  font-weight:700; font-size:.9rem; color:var(--muted);
  padding:.55rem .7rem; border-radius:var(--r-sm); margin-left:.3rem;
  border:1px solid var(--line);
}
.nav-lang>a:hover{background:var(--blue-50); color:var(--blue-700); border-color:var(--blue-200)}
.nav-lang svg{width:15px; height:15px; flex:0 0 auto}

@media(max-width:1179px){
  .nav{min-height:68px}
  .nav-menu{
    position:fixed; inset:68px 0 auto 0;
    flex-direction:column; align-items:stretch; gap:.15rem;
    background:#fff; border-bottom:1px solid var(--line);
    padding:1rem var(--gutter) 1.6rem; max-height:calc(100dvh - 68px); overflow-y:auto;
    box-shadow:var(--shadow); display:none;
  }
  .nav-menu.is-open{display:flex}
  .nav-menu>li>a,.nav-menu>li>button{width:100%; justify-content:space-between; padding:.85rem .9rem; font-size:1.05rem}
  .submenu{position:static; display:none; box-shadow:none; border:none; border-left:3px solid var(--blue-200); border-radius:0; margin:.15rem 0 .5rem .9rem; min-width:0}
  .nav-cta{margin:.8rem 0 0}
  .nav-cta .btn{width:100%}
  .nav-menu>li.nav-lang>a{margin:.6rem 0 0; justify-content:center; padding:.85rem; font-size:1rem}
}
@media(min-width:1180px){ .nav-toggle{display:none} }

/* --- 6. Hero ------------------------------------------------------------ */
.hero{
  position:relative; overflow:hidden;
  background:
    radial-gradient(760px 460px at 88% -8%, var(--honey-50) 0%, transparent 62%),
    radial-gradient(660px 520px at 4% 106%, var(--blue-50) 0%, transparent 60%),
    var(--white);
  padding:clamp(2.75rem,2rem + 5vw,5.5rem) 0 clamp(3rem,2rem + 5vw,5.5rem);
}
.hero::before{
  content:""; position:absolute; inset:0; z-index:0; opacity:.5;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='97' viewBox='0 0 56 97'%3E%3Cpath d='M28 0l28 16.2v32.3L28 64.7 0 48.5V16.2zM28 64.7l28 16.2v32.3' fill='none' stroke='%232f5da8' stroke-opacity='.11' stroke-width='1.4'/%3E%3C/svg%3E");
}
.hero .wrap{position:relative; z-index:1}
.hero-title{margin-bottom:.5em}
.hero-title .accent{color:var(--red)}
.hero p.lead{font-size:1.2em; color:var(--body); max-width:33em}
.hero-badge{
  display:inline-flex; align-items:center; gap:.55em;
  background:#fff; border:1px solid var(--blue-200); color:var(--blue-700);
  font-weight:800; font-size:.88rem; padding:.5em 1.05em; border-radius:var(--pill);
  box-shadow:var(--shadow-sm); margin-bottom:1.4rem;
}
.hero-badge .dot{width:8px; height:8px; border-radius:50%; background:var(--red)}
.hero-media{position:relative}
.hero-media img{
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-lg);
  aspect-ratio:4/3; object-fit:cover; width:100%;
}
.hero-chip{
  position:absolute; background:#fff; border-radius:var(--r);
  box-shadow:var(--shadow); padding:.8rem 1.1rem; display:flex; align-items:center; gap:.7rem;
  font-weight:800; color:var(--ink); font-size:.92rem; line-height:1.3;
}
.hero-chip b{display:block; font-size:1.45rem; color:var(--blue); line-height:1}
.hero-chip--a{left:-14px; bottom:26px}
.hero-chip--b{right:-10px; top:26px}
@media(max-width:899px){
  .hero-chip--a{left:8px; bottom:-14px}
  .hero-chip--b{right:8px; top:-14px}
  .hero-media{margin-bottom:1.5rem}
}

/* --- 7. Κάρτες ---------------------------------------------------------- */
.card{
  background:#fff; border:1px solid var(--line); border-radius:var(--r);
  padding:clamp(1.4rem,1rem + 1.4vw,2rem);
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  height:100%;
}
.card--hover:hover{transform:translateY(-4px); box-shadow:var(--shadow); border-color:var(--blue-200)}
.card h3{margin-bottom:.45em}
.card p{color:var(--muted); font-size:.985em}

/* Οι 6 μαθηματικές δομές */
.domain{position:relative; overflow:hidden}
.domain-icon{
  width:78px; height:78px; display:grid; place-items:center; margin-bottom:1.1rem;
  background:var(--blue-50); border-radius:22px;
}
.domain-icon img{width:44px; height:44px; object-fit:contain}
.domain:nth-child(6n+1) .domain-icon{background:var(--blue-50)}
.domain:nth-child(6n+2) .domain-icon{background:var(--red-50)}
.domain:nth-child(6n+3) .domain-icon{background:var(--honey-50)}
.domain:nth-child(6n+4) .domain-icon{background:var(--teal-50)}
.domain:nth-child(6n+5) .domain-icon{background:var(--blue-50)}
.domain:nth-child(6n+6) .domain-icon{background:var(--honey-50)}

/* Βήματα 1-2-3 */
.step{text-align:center}
.step-num{
  width:66px; height:66px; margin:0 auto 1.1rem; display:grid; place-items:center;
  background:var(--red); color:#fff; font-size:1.6rem; font-weight:800;
  border-radius:24px; box-shadow:0 10px 22px rgba(216,31,38,.24);
}
.steps{position:relative}
@media(min-width:900px){
  .steps::before{
    content:""; position:absolute; top:33px; left:16%; right:16%; height:2px;
    background:repeating-linear-gradient(90deg,var(--blue-200) 0 10px,transparent 10px 20px);
    z-index:0;
  }
  .step{position:relative; z-index:1}
}

/* Προγράμματα */
.program{display:flex; flex-direction:column; gap:.4rem}
.program-logo{height:38px; width:auto; object-fit:contain; margin-bottom:.9rem; align-self:flex-start}

/* Στατιστικά / αριθμοί */
.stats{display:grid; gap:1.5rem; grid-template-columns:repeat(auto-fit,minmax(160px,1fr)); text-align:center}
.stat b{display:block; font-size:clamp(2.1rem,1.6rem + 2vw,3rem); font-weight:800; color:var(--honey); line-height:1.1}
.stat span{font-size:.98rem; color:#b9c8e0}

/* Πίνακας εικόνας + κειμένου */
.media-frame{border-radius:var(--r-lg); overflow:hidden; box-shadow:var(--shadow); background:#fff}
.media-frame img{width:100%; object-fit:cover}
.media-frame--tall img{aspect-ratio:3/4}
.media-frame--wide img{aspect-ratio:4/3}
.media-frame--free img{aspect-ratio:auto}
.media-pad{padding:clamp(1.2rem,3vw,2rem); background:#fff}

/* Πορτρέτο cutout (φωτογραφία χωρίς φόντο) */
.portrait{position:relative; display:flex; justify-content:center; align-items:flex-end; min-height:420px}
.portrait::before{
  content:""; position:absolute; left:6%; right:6%; bottom:0; height:92%;
  background:linear-gradient(165deg,var(--blue-50) 0%,var(--honey-50) 100%);
  border-radius:46% 46% 38% 38% / 52% 52% 26% 26%;
}
.portrait::after{
  content:""; position:absolute; right:8%; top:4%; width:86px; height:98px;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 56 64'%3E%3Cpath d='M28 1l26 15v32L28 63 2 48V16z' fill='none' stroke='%232f5da8' stroke-opacity='.28' stroke-width='2.5'/%3E%3C/svg%3E") center/contain no-repeat;
}
.portrait img{
  position:relative; z-index:1; width:auto; max-width:100%; max-height:540px;
  filter:drop-shadow(0 20px 40px rgba(22,32,47,.16));
}

/* Λίστα με τικ */
.ticks{list-style:none; padding:0; margin:0}
.ticks{max-width:64ch}
@media(max-width:899px){.split>div>p,.split>div>h2{max-width:64ch}}
.ticks li{position:relative; padding-left:2.1rem; margin-bottom:.85rem; color:var(--body)}
.ticks li::before{
  content:""; position:absolute; left:0; top:.42em;
  width:20px; height:20px; border-radius:50%;
  background:var(--teal-50);
}
.ticks li::after{
  content:""; position:absolute; left:6px; top:.72em;
  width:8px; height:4.5px; border-left:2.4px solid var(--teal); border-bottom:2.4px solid var(--teal);
  transform:rotate(-45deg);
}

/* --- 8. Ακορντεόν (FAQ) ------------------------------------------------- */
.faq{max-width:860px; margin-inline:auto}
.faq details{
  background:#fff; border:1px solid var(--line); border-radius:var(--r);
  margin-bottom:.85rem; box-shadow:var(--shadow-sm); overflow:hidden;
}
.faq details[open]{border-color:var(--blue-200); box-shadow:var(--shadow)}
.faq summary{
  list-style:none; cursor:pointer;
  display:flex; align-items:flex-start; gap:1rem;
  padding:1.15rem clamp(1.1rem,3vw,1.6rem);
  font-weight:800; color:var(--ink); font-size:1.03rem; line-height:1.45;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--blue-700)}
.faq summary .q{
  flex:0 0 auto; width:30px; height:30px; border-radius:10px;
  background:var(--blue-50); color:var(--blue); font-size:.85rem;
  display:grid; place-items:center; margin-top:.05em;
}
.faq summary .plus{margin-left:auto; flex:0 0 auto; position:relative; width:18px; height:18px; margin-top:.3em}
.faq summary .plus::before,.faq summary .plus::after{
  content:""; position:absolute; background:var(--red); border-radius:2px; transition:transform .2s;
}
.faq summary .plus::before{left:0; top:7.5px; width:18px; height:3px}
.faq summary .plus::after{left:7.5px; top:0; width:3px; height:18px}
.faq details[open] summary .plus::after{transform:scaleY(0)}
.faq .answer{padding:0 clamp(1.1rem,3vw,1.6rem) 1.4rem; color:var(--body)}
.faq .answer>*:first-child{margin-top:0}

/* --- 9. Παράθεμα -------------------------------------------------------- */
.quote{
  position:relative; background:var(--cream); border-radius:var(--r-lg);
  padding:clamp(1.8rem,1.2rem + 3vw,3rem);
  border:1px solid #f2e6d1;
}
.quote::before{
  content:"\201C"; position:absolute; top:-.05em; left:.2em;
  font-size:6rem; line-height:1; color:var(--honey); opacity:.4; font-family:Georgia,serif;
}
.quote p{position:relative; font-size:1.15em; font-style:italic; color:var(--ink); margin-bottom:.9em}
.quote cite{font-style:normal; font-weight:800; color:var(--red); font-size:.95rem}

/* --- 10. Γκαλερί -------------------------------------------------------- */
.gallery{display:grid; gap:.9rem; grid-template-columns:repeat(2,1fr)}
@media(min-width:640px){.gallery{grid-template-columns:repeat(4,1fr)}}
.gallery img{border-radius:var(--r-sm); aspect-ratio:1; object-fit:cover; width:100%;
  transition:transform .3s ease, box-shadow .3s ease}
.gallery img:hover{transform:scale(1.03); box-shadow:var(--shadow)}

/* --- 11. Λωρίδα CTA ----------------------------------------------------- */
.cta-band{
  position:relative; overflow:hidden;
  background:linear-gradient(135deg,var(--blue-700),var(--blue-900));
  color:#dbe6f6; border-radius:var(--r-lg);
  padding:clamp(2rem,1.4rem + 3.5vw,3.6rem);
  text-align:center;
}
.cta-band::after{
  content:""; position:absolute; inset:0; opacity:.28;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='97' viewBox='0 0 56 97'%3E%3Cpath d='M28 0l28 16.2v32.3L28 64.7 0 48.5V16.2zM28 64.7l28 16.2v32.3' fill='none' stroke='%23ffffff' stroke-opacity='.3' stroke-width='1.4'/%3E%3C/svg%3E");
}
.cta-band>*{position:relative; z-index:1}
.cta-band h2{color:#fff}
.cta-band p{max-width:44em; margin-inline:auto; color:#c4d5ee}

/* --- 12. Φόρμα ---------------------------------------------------------- */
.form-card{
  background:#fff; border:1px solid var(--line); border-radius:var(--r-lg);
  padding:clamp(1.5rem,1rem + 2.5vw,2.6rem); box-shadow:var(--shadow);
}
.field{margin-bottom:1.1rem}
.field label{display:block; font-weight:800; color:var(--ink); font-size:.94rem; margin-bottom:.4rem}
.field .req{color:var(--red)}
.field input,.field select,.field textarea{
  width:100%; font:inherit; font-size:1rem; color:var(--ink);
  padding:.85rem 1rem; background:var(--soft);
  border:2px solid var(--line); border-radius:var(--r-sm);
  transition:border-color .18s, background-color .18s;
}
.field textarea{min-height:130px; resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none; border-color:var(--blue-400); background:#fff;
}
.field-row{display:grid; gap:0 1.1rem; grid-template-columns:1fr}
@media(min-width:620px){.field-row{grid-template-columns:1fr 1fr}}
.form-note{font-size:.9rem; color:var(--muted); margin-top:1rem}
.form-status{
  display:none; margin-top:1.1rem; padding:.9rem 1.1rem; border-radius:var(--r-sm);
  font-weight:700; font-size:.95rem;
}
.form-status.ok{display:block; background:var(--teal-50); color:#0b6f6f; border:1px solid #b9e3e3}
.form-status.err{display:block; background:var(--red-50); color:var(--red-dark); border:1px solid #f6cccd}
.hp{position:absolute; left:-9999px; opacity:0; height:0; overflow:hidden}

/* Κάρτες επικοινωνίας */
.contact-list{list-style:none; padding:0; margin:0}
.contact-list li{display:flex; gap:1rem; align-items:flex-start; margin-bottom:1.4rem}
.contact-ico{
  flex:0 0 auto; width:48px; height:48px; border-radius:16px;
  display:grid; place-items:center; background:var(--blue-50); color:var(--blue);
}
.contact-ico svg{width:22px; height:22px}
.contact-list b{display:block; color:var(--ink); font-size:.9rem; text-transform:uppercase; letter-spacing:.06em}
.contact-list a{font-weight:800; font-size:1.08rem}

/* --- 13. Footer --------------------------------------------------------- */
.site-footer{background:var(--blue-900); color:#a9bcd8; padding:clamp(2.8rem,2rem + 3vw,4rem) 0 0; margin-top:0}
.site-footer h4{color:#fff; font-size:.88rem; letter-spacing:.12em; text-transform:uppercase; margin-bottom:1.1rem}
.footer-grid{display:grid; gap:2.2rem; grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.footer-brand img{width:190px; margin-bottom:1.1rem; background:#fff; padding:.6rem .8rem; border-radius:var(--r-sm)}
.footer-links{list-style:none; padding:0; margin:0}
.footer-links li{margin-bottom:.55rem}
.footer-links a{color:#a9bcd8; font-size:.97rem}
.footer-links a:hover{color:#fff}
.socials{display:flex; gap:.6rem; margin-top:1.1rem}
.socials a{
  width:42px; height:42px; border-radius:14px; display:grid; place-items:center;
  background:rgba(255,255,255,.09); color:#fff; transition:background-color .2s, transform .2s;
}
.socials a:hover{background:var(--red); transform:translateY(-2px)}
.socials svg{width:20px; height:20px}
.footer-bottom{
  margin-top:2.8rem; padding:1.3rem 0; border-top:1px solid rgba(255,255,255,.1);
  display:flex; flex-wrap:wrap; gap:.6rem 1.5rem; justify-content:space-between;
  font-size:.87rem; color:#8ea4c4;
}
.footer-bottom a{color:#8ea4c4}
.footer-bottom a:hover{color:#fff}

/* Ενημέρωση απορρήτου (δεν μπλοκάρει τη σελίδα) */
.privacy-notice{
  position:fixed; left:16px; bottom:16px; z-index:95;
  max-width:min(430px, calc(100vw - 32px));
  display:flex; flex-wrap:wrap; align-items:center; gap:.9rem;
  background:#fff; color:var(--body);
  border:1px solid var(--line); border-radius:var(--r);
  box-shadow:var(--shadow-lg); padding:1.05rem 1.2rem;
  font-size:.9rem; line-height:1.6;
  animation:notice-in .35s ease both;
}
.privacy-notice[hidden]{display:none}
.privacy-notice p{margin:0; flex:1 1 240px}
.privacy-notice strong{color:var(--ink)}
.privacy-notice a{font-weight:700; text-decoration:underline}
.privacy-notice .btn{flex:0 0 auto}
@keyframes notice-in{from{opacity:0; transform:translateY(12px)}to{opacity:1; transform:none}}
@media(max-width:767px){
  .privacy-notice{left:12px; right:12px; bottom:12px; max-width:none; padding:1rem}
  .privacy-notice .btn{width:100%}
  /* να μην πέφτει πάνω στο κουμπί κλήσης */
  .privacy-notice:not([hidden]) ~ .call-fab{bottom:calc(12px + 190px)}
}
@media(prefers-reduced-motion:reduce){.privacy-notice{animation:none}}

/* Σταθερό κουμπί κλήσης στο κινητό */
.call-fab{
  position:fixed; right:16px; bottom:16px; z-index:90;
  display:none; align-items:center; gap:.5rem;
  background:var(--red); color:#fff; font-weight:800; font-size:.95rem;
  padding:.85rem 1.25rem; border-radius:var(--pill);
  box-shadow:0 10px 26px rgba(216,31,38,.4);
}
.call-fab:hover{color:#fff}
.call-fab svg{width:18px; height:18px}
@media(max-width:767px){.call-fab{display:inline-flex}}

/* --- 14. Εσωτερική επικεφαλίδα σελίδας ---------------------------------- */
.page-head{
  position:relative; overflow:hidden;
  background:linear-gradient(160deg,var(--blue-50),#fff 70%);
  padding:clamp(2.5rem,2rem + 3vw,4.2rem) 0 clamp(2.2rem,1.8rem + 2.5vw,3.6rem);
  border-bottom:1px solid var(--line);
}
.page-head::before{
  content:""; position:absolute; inset:0; opacity:.55;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='97' viewBox='0 0 56 97'%3E%3Cpath d='M28 0l28 16.2v32.3L28 64.7 0 48.5V16.2zM28 64.7l28 16.2v32.3' fill='none' stroke='%232f5da8' stroke-opacity='.12' stroke-width='1.4'/%3E%3C/svg%3E");
}
.page-head .wrap{position:relative; z-index:1}
.page-head h1{margin-bottom:.35em}
.page-head p{max-width:44em; font-size:1.12em; color:var(--muted)}
.crumbs{font-size:.88rem; color:var(--muted); margin-bottom:1rem}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--red)}

/* Άρθρο / πλούσιο κείμενο */
.prose{max-width:68ch; margin-inline:auto}
@media(min-width:900px){.split .prose{max-width:none}}
.prose h2{margin-top:2.2em}
.prose h2:first-child{margin-top:0}
.prose h3{margin-top:1.8em; color:var(--blue-700)}
.prose>p:first-of-type{font-size:1.1em}

/* --- 15. Utilities ------------------------------------------------------ */
.mt-0{margin-top:0} .mb-0{margin-bottom:0}
.mt-2{margin-top:1.4rem} .mt-3{margin-top:2.2rem}
.text-red{color:var(--red)} .text-blue{color:var(--blue)} .text-muted{color:var(--muted)}
.visually-hidden{position:absolute!important; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important; transition-duration:.01ms!important; scroll-behavior:auto!important}
}


/* --- 16. Σελίδα πολιτικής απορρήτου ------------------------------------ */
.legal{max-width:760px; margin-inline:auto}
.legal h2{font-size:clamp(1.3rem,1.15rem + .6vw,1.6rem); margin-top:2.4em}
.legal h2:first-child{margin-top:0}
.legal .updated{
  display:inline-block; background:var(--blue-50); color:var(--blue-700);
  font-size:.85rem; font-weight:700; padding:.45em 1em; border-radius:var(--pill);
  margin-bottom:2rem;
}
.table-wrap{
  overflow-x:auto; -webkit-overflow-scrolling:touch;
  margin:1.2rem 0; border-radius:var(--r-sm);
}
.legal table{width:100%; min-width:460px; border-collapse:collapse; margin:0; font-size:.95rem}
.legal th,.legal td{text-align:left; padding:.8rem .9rem; border-bottom:1px solid var(--line); vertical-align:top}
.legal th{color:var(--ink); font-weight:800; background:var(--soft)}
.legal .box{
  background:var(--teal-50); border:1px solid #b9e3e3; border-radius:var(--r);
  padding:1.2rem 1.4rem; margin:1.6rem 0;
}
.legal .box p:last-child{margin-bottom:0}