:root{
  --navy:#071a33;--blue:#0d5ea8;--cyan:#35bde8;--gold:#e9b44c;--white:#fff;
  --ink:#10233e;--muted:#607089;--soft:#f4f7fb;--line:#dce5ef;
  --shadow:0 20px 60px rgba(8,31,58,.12);--radius:22px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:Inter,Arial,sans-serif;line-height:1.65;background:#fff}
.container{width:min(1160px,92%);margin:auto}.site-header{position:absolute;z-index:20;top:0;width:100%;color:#fff}
.nav{height:82px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.18)}
.brand{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none;font-size:12px;line-height:1.15;letter-spacing:.04em;text-transform:uppercase}.brand b{font-size:13px}.brand-mark{width:38px;height:38px;border:1px solid rgba(255,255,255,.7);border-radius:11px;display:grid;place-items:center;font-weight:800;color:#fff}
.nav-links{display:flex;align-items:center;gap:26px}.nav-links a{color:#fff;text-decoration:none;font-size:13px;font-weight:600}.nav-cta{padding:10px 18px;border:1px solid rgba(255,255,255,.55);border-radius:999px}.menu-btn{display:none;background:none;border:0;color:#fff;font-size:25px}
.hero{
  min-height:930px;
  position:relative;
  overflow:hidden;
  background-image:url("greece-banner.jpg");
  background-size:cover;
  background-position:center;
  color:#fff;
  display:flex;
  align-items:center
}
.hero-art{position:absolute;inset:0;overflow:hidden}.sun{position:absolute;width:170px;height:170px;border-radius:50%;background:rgba(255,235,177,.85);right:15%;top:17%;filter:blur(1px)}
.mountain{position:absolute;bottom:25%;width:0;height:0;border-left:310px solid transparent;border-right:310px solid transparent;border-bottom:270px solid rgba(255,255,255,.14)}.m1{left:-120px}.m2{right:-160px;border-bottom-color:rgba(6,46,77,.18)}
.sea{position:absolute;left:-5%;right:-5%;bottom:-6%;height:38%;background:linear-gradient(#188db6,#05648d);transform:skewY(-2deg)}.sea:after{content:"";position:absolute;inset:20% 0 auto;height:2px;background:rgba(255,255,255,.25);box-shadow:0 30px rgba(255,255,255,.16),0 65px rgba(255,255,255,.12)}
.island{position:absolute;bottom:25%;left:45%;width:42%;height:80px;background:#d9b774;border-radius:50% 50% 20% 20%;filter:drop-shadow(0 20px 18px rgba(0,0,0,.16))}
.acropolis{position:absolute;bottom:28%;left:50%;transform:translateX(-50%);width:250px;height:180px}.temple-roof{position:absolute;left:10px;top:20px;width:230px;height:0;border-left:115px solid transparent;border-right:115px solid transparent;border-bottom:60px solid #f5e4bc;filter:drop-shadow(0 8px 5px rgba(0,0,0,.1))}.columns{position:absolute;top:75px;left:22px;width:205px;height:85px;display:flex;justify-content:space-around;align-items:flex-start}.columns i{display:block;width:17px;height:83px;background:#f4e3bd;border-radius:4px;box-shadow:inset -4px 0 rgba(100,70,30,.1)}.temple-base{position:absolute;bottom:0;left:0;width:250px;height:20px;background:#e9d5a9;border-radius:3px}.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(2,19,40,.83),rgba(2,28,52,.38) 55%,rgba(2,28,52,.05))}
.hero-content{position:relative;z-index:2;padding:120px 0 110px}.eyebrow{font-size:12px;font-weight:800;letter-spacing:.18em;display:flex;gap:10px;align-items:center;margin-bottom:24px}.eyebrow span{width:35px;height:2px;background:var(--gold)}h1{font-family:"Playfair Display",serif;font-size:clamp(48px,7vw,88px);line-height:.99;letter-spacing:-.04em;margin:0 0 28px;max-width:850px}h1 em{color:#ffd66e;font-style:normal}.hero-lead{font-size:18px;max-width:700px;color:rgba(255,255,255,.9);margin-bottom:28px}.hero-meta{display:flex;gap:22px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.85)}.hero-actions{display:flex;gap:12px;margin-top:32px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;padding:13px 21px;border-radius:999px;text-decoration:none;font:600 13px Inter;cursor:pointer;border:1px solid transparent}.primary{background:#fff;color:var(--navy)}.ghost,.outline{color:#fff;border-color:rgba(255,255,255,.55);background:transparent}.scroll-cue{position:absolute;bottom:28px;right:4%;font-size:10px;letter-spacing:.2em;z-index:3}.scroll-cue span{font-size:18px;margin-left:8px}
.stats{background:#071a33;color:#fff}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);padding:26px 0}.stats-grid div{padding:5px 25px;border-right:1px solid rgba(255,255,255,.13)}.stats-grid div:last-child{border:0}.stats-grid strong,.stats-grid span{display:block}.stats-grid strong{font-size:14px}.stats-grid span{font-size:11px;color:#9db0c8;margin-top:2px}
.section{padding:105px 0}.section-dark{background:var(--navy);color:#fff}.soft{background:var(--soft)}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:90px}.section-label{font-size:10px;letter-spacing:.18em;font-weight:800;color:var(--blue);margin-bottom:18px}.section-dark .section-label{color:#61d2f2}h2{font:700 clamp(36px,4vw,54px)/1.08 "Playfair Display",serif;letter-spacing:-.03em;margin:0 0 25px}h2 span{color:var(--blue)}.section-dark h2 span{color:#61d2f2}.copy p{font-size:16px;color:#53657c}.quote{margin-top:28px;padding:22px;border-left:3px solid var(--gold);background:#f6f8fb;color:#354960;font-family:"Playfair Display",serif;font-size:20px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-top:45px}.theme-card{padding:28px;border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);background:rgba(255,255,255,.045);min-height:215px;transition:.25s}.theme-card:hover{transform:translateY(-5px);background:rgba(255,255,255,.08)}.theme-card span{font-size:11px;color:#61d2f2}.theme-card h3{font-size:20px;margin:30px 0 8px}.theme-card p{font-size:13px;color:#aab9cb}
.programme-head{display:flex;justify-content:space-between;gap:50px;align-items:end}.programme-head p{max-width:370px;color:var(--muted);font-size:13px}.timeline{margin-top:45px;border-top:1px solid var(--line)}.time-row{display:grid;grid-template-columns:120px 1fr;gap:35px;padding:28px 0;border-bottom:1px solid var(--line)}.time-row>b{font-size:18px}.time-row span{font-size:10px;letter-spacing:.16em;color:var(--blue);font-weight:800}.time-row h3{margin:4px 0;font-size:19px}.time-row p{margin:0;color:var(--muted);font-size:13px}
.speaker-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:18px}.speaker-grid>div:first-child{padding-right:35px}.speaker-placeholder{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;min-height:220px;box-shadow:0 8px 30px rgba(8,31,58,.05)}.avatar{width:52px;height:52px;border-radius:50%;background:#e8f3f9;color:var(--blue);display:grid;place-items:center;font-size:25px;margin-bottom:55px}.speaker-placeholder h3{margin:0;font-size:15px}.speaker-placeholder p{font-size:12px;color:var(--muted)}
.muted{color:var(--muted);font-size:14px}.keyword-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}.keyword-cloud button{border:1px solid var(--line);background:#fff;color:#24405f;border-radius:999px;padding:11px 16px;font:600 12px Inter;cursor:pointer;transition:.2s}.keyword-cloud button:hover,.keyword-cloud button.active{background:var(--navy);color:#fff;border-color:var(--navy)}
.register{background:linear-gradient(120deg,#0b5f9e,#0a7897);color:#fff;padding:75px 0}.register-inner{display:flex;justify-content:space-between;align-items:center;gap:40px}.register .section-label{color:#9eeaff}.register h2{margin-bottom:10px}.register p{margin:0;color:rgba(255,255,255,.8)}.register-actions{display:flex;gap:10px}.register .primary{background:#fff}.register .outline{border-color:rgba(255,255,255,.45)}
footer{background:#041326;color:#a7b7ca;padding:55px 0 20px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}.footer-grid b{display:block;color:#fff;font-size:12px;margin-bottom:15px}.footer-grid a,.footer-grid span{display:block;color:#a7b7ca;text-decoration:none;font-size:12px;margin:7px 0}.footer-brand{margin-bottom:12px}.copyright{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:18px;font-size:10px}
@media(max-width:850px){.nav-links{display:none;position:absolute;top:70px;left:4%;right:4%;background:#061a31;padding:20px;border-radius:16px;flex-direction:column;align-items:flex-start}.nav-links.open{display:flex}.menu-btn{display:block}.hero{min-height:720px}.stats-grid{grid-template-columns:1fr 1fr}.stats-grid div:nth-child(2){border:0}.two-col,.cards,.speaker-grid,.footer-grid{grid-template-columns:1fr}.programme-head,.register-inner{display:block}.register-actions{margin-top:25px}.speaker-grid>div:first-child{padding:0}.hero-meta{flex-direction:column;gap:6px}.acropolis{left:62%;opacity:.7}}
@media(max-width:520px){h1{font-size:48px}.hero-lead{font-size:15px}.stats-grid{grid-template-columns:1fr}.stats-grid div{border:0;border-bottom:1px solid rgba(255,255,255,.12);padding:12px 0}.section{padding:75px 0}.time-row{grid-template-columns:65px 1fr;gap:15px}.hero-actions{flex-direction:column;align-items:flex-start}}

.source-links{padding:90px 0;background:#eef4f8}.source-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}.source-grid a{display:block;padding:25px;background:#fff;border:1px solid var(--line);border-radius:18px;color:var(--ink);text-decoration:none;transition:.2s}.source-grid a:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.source-grid b{display:block;font-size:14px;margin-bottom:7px}.source-grid span{font-size:12px;color:var(--muted)}.submission-note{margin-top:22px;padding:18px 20px;border-left:3px solid var(--gold);background:#fff;font-size:13px;color:#53657c}@media(max-width:850px){.source-grid{grid-template-columns:1fr}}