/* =========================================================================
   Δρ. Χρήστος Δαένας — Πνευμονολόγος Βόλος
   Παλέτα εμπνευσμένη από τη φωτογραφία: petrol/teal & navy, ήρεμο "κλινικό".
   ========================================================================= */

:root{
  --ink:#15252b;
  --ink-soft:#485d63;
  --ink-faint:#7a8b8f;
  --teal:#0c5c66;
  --teal-2:#13808a;
  --teal-light:#4aa3a5;
  --breath:#a9dcd9;
  --navy:#16313c;
  --mist:#f2f7f6;
  --surface:#ffffff;
  --line:#e2edeb;
  --line-soft:#eef4f3;
  --shadow:0 1px 2px rgba(16,60,66,.04),0 8px 30px rgba(16,60,66,.07);
  --shadow-lg:0 20px 60px rgba(12,60,66,.16);
  --radius:18px;
  --radius-sm:12px;
  --display:'Cormorant Garamond',Georgia,serif;
  --sans:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --maxw:1180px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--mist);
  line-height:1.65;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
h1,h2,h3{line-height:1.12;font-weight:600;color:var(--ink)}

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

.skip{position:absolute;left:-999px;top:0;background:var(--teal);color:#fff;padding:10px 16px;border-radius:0 0 8px 0;z-index:200}
.skip:focus{left:0}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--sans);font-weight:600;font-size:.95rem;
  padding:13px 22px;border-radius:999px;border:1.5px solid transparent;
  cursor:pointer;transition:transform .2s var(--ease),background .2s,box-shadow .2s,color .2s;
  white-space:nowrap;
}
.btn-primary{background:var(--teal);color:#fff;box-shadow:0 8px 20px rgba(12,92,102,.22)}
.btn-primary:hover{background:var(--teal-2);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--teal);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--teal-light);background:var(--surface)}
.btn-call{background:var(--teal);color:#fff}
.btn-call:hover{background:var(--navy)}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(242,247,246,.82);
  backdrop-filter:saturate(140%) blur(12px);
  border-bottom:1px solid var(--line-soft);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:74px;gap:20px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{border-radius:11px}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-name{font-family:var(--display);font-weight:600;font-size:1.32rem;color:var(--navy);letter-spacing:.01em}
.brand-role{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--teal-2);font-weight:600}

.primary-nav{display:flex;align-items:center;gap:30px}
.primary-nav ul{display:flex;gap:28px}
.primary-nav a{font-weight:500;font-size:.96rem;color:var(--ink-soft);position:relative;padding:6px 0;transition:color .2s}
.primary-nav a:hover{color:var(--teal)}
.primary-nav a[aria-current="page"]{color:var(--teal)}
.primary-nav a[aria-current="page"]::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--teal-light);border-radius:2px;
}

.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:var(--navy);border-radius:2px;transition:.25s var(--ease)}

/* ---------- Hero ---------- */
.hero{padding:74px 0 64px;position:relative}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;font-weight:600;color:var(--teal-2);
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:26px;height:1.5px;background:var(--teal-light)}
.hero h1{
  font-family:var(--display);font-weight:600;font-size:clamp(2.6rem,5.2vw,4.1rem);
  color:var(--navy);letter-spacing:.005em;margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:var(--teal)}
.hero-lead{font-size:1.12rem;color:var(--ink-soft);max-width:46ch;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-meta{display:flex;flex-wrap:wrap;gap:26px}
.hero-meta div{display:flex;flex-direction:column}
.hero-meta dt{font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-faint);font-weight:600}
.hero-meta dd{font-weight:600;color:var(--navy);font-size:1.02rem}

.hero-photo{position:relative;justify-self:center}
.hero-photo .frame{
  position:relative;width:min(420px,82vw);border-radius:200px 200px var(--radius) var(--radius);
  overflow:hidden;box-shadow:var(--shadow-lg);background:var(--surface);z-index:2;
}
.hero-photo .frame img{width:100%;height:auto;display:block}
.hero-photo .glow{
  position:absolute;inset:-12% -8% -8% -8%;z-index:1;border-radius:50%;
  background:radial-gradient(closest-side,rgba(74,163,165,.42),rgba(74,163,165,0) 72%);
  animation:breathe 7s var(--ease) infinite;
}
.hero-photo .ring{
  position:absolute;right:-14px;bottom:34px;z-index:3;
  background:var(--surface);border:1px solid var(--line);border-radius:16px;
  padding:14px 18px;box-shadow:var(--shadow);display:flex;align-items:center;gap:12px;
}
.hero-photo .ring b{font-family:var(--display);font-size:1.6rem;color:var(--teal);line-height:1}
.hero-photo .ring span{font-size:.8rem;color:var(--ink-soft);max-width:14ch}
@keyframes breathe{0%,100%{transform:scale(1);opacity:.85}50%{transform:scale(1.07);opacity:1}}

/* ---------- Trust strip ---------- */
.trust{background:var(--navy);color:#dcefee;}
.trust .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;padding:34px 24px}
.trust-item{display:flex;flex-direction:column;gap:4px}
.trust-item b{font-family:var(--display);font-size:1.05rem;color:#fff;font-weight:600}
.trust-item span{font-size:.86rem;color:#9fc7cc;line-height:1.4}

/* ---------- Sections ---------- */
.section{padding:84px 0}
.section.alt{background:var(--surface)}
.section-head{max-width:62ch;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-family:var(--display);font-size:clamp(2rem,3.6vw,2.85rem);color:var(--navy)}
.section-head p{margin-top:14px;color:var(--ink-soft);font-size:1.06rem}

/* ---------- Services ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px;transition:transform .25s var(--ease),box-shadow .25s,border-color .25s;
}
.section.alt .card{background:var(--mist)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-soft)}
.card .ico{
  width:50px;height:50px;border-radius:14px;display:grid;place-items:center;margin-bottom:18px;
  background:linear-gradient(135deg,var(--teal-2),var(--teal));color:#fff;
}
.card .ico svg{width:24px;height:24px}
.card h3{font-size:1.18rem;color:var(--navy);margin-bottom:8px}
.card p{color:var(--ink-soft);font-size:.97rem}

.tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.tag{
  background:var(--mist);border:1px solid var(--line);color:var(--teal);
  padding:8px 16px;border-radius:999px;font-size:.9rem;font-weight:600;
}
.section.alt .tag{background:var(--surface)}

/* ---------- Locations ---------- */
.locs{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.loc{
  border:1px solid var(--line);border-radius:var(--radius);padding:28px;background:var(--surface);
  display:flex;flex-direction:column;gap:14px;transition:border-color .25s,box-shadow .25s;
}
.loc:hover{border-color:var(--teal-light);box-shadow:var(--shadow)}
.loc .pin{width:42px;height:42px;border-radius:12px;background:var(--mist);color:var(--teal);display:grid;place-items:center}
.loc h3{font-size:1.12rem;color:var(--navy)}
.loc .badge{font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--teal-2);font-weight:700}
.loc address{font-style:normal;color:var(--ink-soft);line-height:1.6}
.loc a.map-link{margin-top:auto;color:var(--teal);font-weight:600;font-size:.92rem;display:inline-flex;align-items:center;gap:6px}
.loc a.map-link:hover{color:var(--teal-2)}

/* ---------- Page hero (εσωτερικές σελίδες) ---------- */
.page-hero{padding:56px 0 10px}
.page-hero .eyebrow{margin-bottom:14px}
.page-hero h1{font-family:var(--display);font-size:clamp(2.3rem,4.6vw,3.4rem);color:var(--navy)}
.page-hero p{margin-top:14px;color:var(--ink-soft);max-width:60ch;font-size:1.08rem}

/* ---------- Bio ---------- */
.bio-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}
.bio-photo{position:sticky;top:100px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line)}
.bio-photo img{width:100%}
.bio-body p{color:var(--ink-soft);margin-bottom:18px}
.bio-body p:first-of-type{font-size:1.12rem;color:var(--ink)}
.cv{margin-top:8px}
.cv li{
  display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line);align-items:flex-start;
}
.cv li:last-child{border-bottom:0}
.cv .dot{flex:none;width:10px;height:10px;border-radius:50%;background:var(--teal-light);margin-top:9px}
.cv b{display:block;color:var(--navy);font-size:1.05rem}
.cv span{color:var(--ink-soft);font-size:.95rem}

/* ---------- Videos ---------- */
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.video-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  cursor:pointer;transition:transform .25s var(--ease),box-shadow .25s,border-color .25s;
  display:flex;flex-direction:column;
}
.video-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--teal-light)}
.video-thumb{position:relative;aspect-ratio:16/9;background:var(--navy);overflow:hidden}
.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.video-card:hover .video-thumb img{transform:scale(1.05)}
.video-thumb .play{
  position:absolute;inset:0;display:grid;place-items:center;
  background:linear-gradient(to top,rgba(12,49,60,.35),rgba(12,49,60,0) 55%);
}
.video-thumb .play span{
  width:58px;height:58px;border-radius:50%;background:rgba(255,255,255,.92);
  display:grid;place-items:center;box-shadow:0 6px 20px rgba(0,0,0,.25);transition:transform .25s var(--ease)}
.video-card:hover .play span{transform:scale(1.08)}
.video-thumb .play svg{width:22px;height:22px;color:var(--teal);margin-left:3px}
.video-info{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.video-info time{font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--teal-2);font-weight:600}
.video-info h3{font-size:1.04rem;color:var(--navy);line-height:1.3;font-weight:600}

.video-empty{text-align:center;padding:60px 20px;color:var(--ink-soft);border:1.5px dashed var(--line);border-radius:var(--radius)}

/* Modal */
.modal{position:fixed;inset:0;z-index:300;display:none;place-items:center;padding:24px;
  background:rgba(12,37,43,.72);backdrop-filter:blur(4px)}
.modal.open{display:grid}
.modal-box{width:min(960px,100%);background:#000;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);position:relative}
.modal-box .ratio{position:relative;aspect-ratio:16/9}
.modal-box iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.modal-close{position:absolute;top:-46px;right:0;background:#fff;border:0;width:38px;height:38px;border-radius:50%;
  cursor:pointer;display:grid;place-items:center;color:var(--navy);font-size:18px}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-info{display:flex;flex-direction:column;gap:18px}
.contact-info .row{display:flex;gap:14px;align-items:flex-start;padding:18px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface)}
.contact-info .row .pin{flex:none;width:40px;height:40px;border-radius:11px;background:var(--mist);color:var(--teal);display:grid;place-items:center}
.contact-info .row b{display:block;color:var(--navy)}
.contact-info .row span,.contact-info .row a{color:var(--ink-soft);font-size:.96rem}
.contact-info .row a:hover{color:var(--teal)}

.form{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.field{margin-bottom:18px}
.field label{display:block;font-weight:600;font-size:.92rem;color:var(--navy);margin-bottom:7px}
.field input,.field textarea{
  width:100%;font-family:var(--sans);font-size:1rem;color:var(--ink);
  padding:13px 15px;border:1.5px solid var(--line);border-radius:11px;background:var(--mist);
  transition:border-color .2s,background .2s;
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--teal-light);background:var(--surface)}
.field textarea{resize:vertical;min-height:130px}
.hp{position:absolute;left:-9999px}
.form-note{font-size:.85rem;color:var(--ink-faint);margin-top:10px}
.alert{padding:14px 18px;border-radius:11px;margin-bottom:20px;font-weight:500}
.alert-ok{background:#e6f6f1;color:#0a6b54;border:1px solid #b9e6d8}
.alert-err{background:#fdecec;color:#9b2c2c;border:1px solid #f3c9c9}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy);color:#cfe7eb;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding:60px 24px 36px}
.site-footer .brand-name{color:#fff}
.site-footer .brand-role{color:var(--teal-light)}
.footer-tag{margin-top:16px;color:#9fc7cc;max-width:34ch}
.footer-col h3{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--teal-light);margin-bottom:16px}
.footer-list li{margin-bottom:12px}
.footer-list a{color:#cfe7eb;transition:color .2s;font-size:.95rem}
.footer-list a:hover{color:#fff}
.footer-list strong{color:#fff;font-weight:600}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  padding:22px 24px;border-top:1px solid rgba(255,255,255,.1);font-size:.84rem;color:#8fb4ba}
.footer-bottom .credit a{color:var(--teal-light);font-weight:600}

/* ---------- Reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-photo{order:-1}
  .bio-grid{grid-template-columns:1fr;gap:36px}
  .bio-photo{position:static;max-width:380px}
  .contact-grid{grid-template-columns:1fr;gap:32px}
  .trust .wrap{grid-template-columns:repeat(2,1fr);gap:24px}
  .cards,.locs,.video-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:680px){
  body{font-size:16px}
  .nav-toggle{display:flex;z-index:120}
  .primary-nav{
    position:fixed;inset:74px 0 auto 0;background:var(--mist);
    flex-direction:column;align-items:stretch;gap:0;padding:14px 24px 26px;
    border-bottom:1px solid var(--line);box-shadow:var(--shadow);
    transform:translateY(-130%);transition:transform .32s var(--ease);
  }
  .primary-nav.open{transform:translateY(0)}
  .primary-nav ul{flex-direction:column;gap:0}
  .primary-nav li{border-bottom:1px solid var(--line-soft)}
  .primary-nav ul a{display:block;padding:15px 0;font-size:1.05rem}
  .primary-nav .btn-call{margin-top:16px;justify-content:center}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .section{padding:60px 0}
  .cards,.locs,.video-grid{grid-template-columns:1fr}
  .trust .wrap{grid-template-columns:1fr 1fr;gap:20px;padding:28px 24px}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding:44px 24px 30px}
  .hero-photo .ring{right:0}
}

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

/* focus visibility */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:3px solid var(--breath);outline-offset:2px;border-radius:6px;
}