:root {
  --navy: #0b2a5b;
  --navy-2: #123a78;
  --blue: #1565c0;
  --cyan: #12a8c9;
  --green: #2e9e4f;
  --lime: #8cc63f;
  --teal: #1f5a66;
  --tulip: #e2412e;
  --ink: #0d1b2a;
  --muted: #4d6075;
  --line: #d9e6ef;
  --bg: #f3f8fb;
  --card: #ffffff;
  --grad: linear-gradient(90deg, var(--blue), var(--cyan) 45%, var(--green) 75%, var(--lime));
  --radius: 18px;
  --shadow: 0 10px 30px -12px rgba(11, 42, 91, .25);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Plus Jakarta Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}
img { max-width: 100%; display: block; }
a { color: var(--blue); }

/* language switching */
html[data-lang="en"] .l-tr, html[data-lang="tr"] .l-en { display: none !important; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }

/* ---------- header ---------- */
.top {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.top .wrap { display: flex; align-items: center; gap: 12px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; min-width: 0; }
.brand img { height: 30px; width: auto; }
.brand .sep { width: 1px; height: 26px; background: var(--line); }
.brand img.cop-logo { height: 38px; }
.spacer { flex: 1; }
.lang { display: flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; }
.lang button {
  border: 0; background: transparent; padding: 6px 11px; font: inherit; font-size: 12px; font-weight: 700;
  color: var(--muted); cursor: pointer;
}
html[data-lang="en"] .lang [data-set="en"], html[data-lang="tr"] .lang [data-set="tr"] { background: var(--navy); color: #fff; }

/* ---------- hero ---------- */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background:
    radial-gradient(800px 400px at 85% 10%, rgba(18, 168, 201, .45), transparent 60%),
    radial-gradient(600px 400px at 10% 110%, rgba(140, 198, 63, .35), transparent 60%),
    linear-gradient(160deg, var(--navy), var(--navy-2) 60%, #0e4d7a);
}
.hero .wrap { padding-top: 56px; padding-bottom: 64px; position: relative; }

/* Antalya panorama behind the hero */
.hero { background-color: var(--navy); }
.hero-home {
  background:
    linear-gradient(90deg, rgba(11, 42, 91, .94) 0%, rgba(11, 42, 91, .82) 42%, rgba(11, 42, 91, .4) 72%, rgba(11, 42, 91, .15) 100%),
    url("antalya.jpg") right center / cover no-repeat,
    var(--navy);
}
.hero-home .wrap { padding-top: 72px; padding-bottom: 88px; }
.hero:not(.hero-home) {
  background:
    linear-gradient(180deg, rgba(11, 42, 91, .95) 0%, rgba(11, 42, 91, .85) 55%, rgba(11, 42, 91, .55) 100%),
    url("antalya.jpg") center 70% / cover no-repeat,
    var(--navy);
}
@media (max-width: 760px) {
  .hero-home, .hero:not(.hero-home) {
    background:
      linear-gradient(180deg, rgba(11, 42, 91, 1) 0%, rgba(11, 42, 91, .96) 55%, rgba(11, 42, 91, .2) 100%),
      url("antalya.jpg") 18% bottom / auto 260px no-repeat,
      var(--navy);
  }
  .hero .wrap, .hero-home .wrap { padding-bottom: 130px; }
}
.hero h1, .hero p, .facts li, .pill { text-shadow: 0 1px 12px rgba(11, 42, 91, .45); }
.facts li { backdrop-filter: blur(4px); }

.mod-grid { grid-template-columns: minmax(0, 520px); }
.sp-card.mod { border-color: var(--lime); }
.sp-card.mod .num { color: var(--green); }
.hero::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 6px; background: var(--grad);
}
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 999px; font-size: 13px; font-weight: 700;
  background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .25);
}
.pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 4px rgba(140, 198, 63, .25); }
.hero h1 { font-size: clamp(34px, 7vw, 64px); line-height: 1.02; margin: 18px 0 8px; font-weight: 800; letter-spacing: -.02em; }
.hero h1 + p { font-size: clamp(18px, 3.4vw, 26px); margin: 0; font-weight: 600; color: #bfeaf3; }
.bar { width: 120px; height: 5px; border-radius: 4px; background: var(--grad); margin: 22px 0; }
.facts { display: flex; flex-wrap: wrap; gap: 10px; margin: 0; padding: 0; list-style: none; }
.facts li {
  display: flex; align-items: center; gap: 8px; padding: 10px 14px; border-radius: 12px;
  background: rgba(255, 255, 255, .1); font-weight: 600; font-size: 15px;
}
.facts svg { width: 18px; height: 18px; flex: none; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 18px; border-radius: 12px; font-weight: 700; font-size: 15px; text-decoration: none;
  border: 1px solid transparent; cursor: pointer; font-family: inherit;
}
.btn svg { width: 18px; height: 18px; }
.btn-primary { background: var(--lime); color: var(--navy); }
.btn-primary:hover { background: #9fd45a; }
.btn-ghost { background: rgba(11, 42, 91, .55); color: #fff; border-color: rgba(255, 255, 255, .45); backdrop-filter: blur(6px); }
.btn-ghost:hover { background: rgba(11, 42, 91, .75); }
.btn-dark { background: var(--navy); color: #fff; }
.btn-dark:hover { background: var(--navy-2); }
.btn-light { background: #fff; color: var(--navy); border-color: var(--line); }
.btn-light:hover { border-color: var(--cyan); }

/* ---------- sections ---------- */
section { padding: 56px 0; }
.eyebrow { font-size: 12px; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; color: var(--green); margin: 0 0 6px; }
h2 { font-size: clamp(26px, 4.5vw, 36px); line-height: 1.15; margin: 0 0 24px; color: var(--navy); letter-spacing: -.01em; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 18px; }
.sp-card {
  display: flex; gap: 16px; padding: 18px; border-radius: var(--radius); background: var(--card);
  border: 1px solid var(--line); text-decoration: none; color: inherit; box-shadow: var(--shadow);
  transition: transform .15s ease, border-color .15s ease;
}
.sp-card:hover { transform: translateY(-3px); border-color: var(--cyan); }
.avatar {
  display: block; flex: none; width: 84px; height: 84px; border-radius: 50%; padding: 3px; background: var(--grad);
}
.avatar img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; border: 3px solid #fff; }
.sp-card .num { font-size: 12px; font-weight: 800; color: var(--cyan); letter-spacing: .1em; }
.sp-card h3 { margin: 2px 0 2px; font-size: 18px; color: var(--navy); line-height: 1.25; }
.sp-card .role { font-size: 13px; color: var(--muted); margin: 0 0 8px; }
.sp-card .topic { font-size: 14px; font-weight: 700; color: var(--teal); margin: 0; }

.program { list-style: none; margin: 0; padding: 0; border-left: 3px solid var(--line); }
.program li { position: relative; padding: 0 0 22px 24px; }
.program li::before {
  content: ""; position: absolute; left: -9px; top: 4px; width: 15px; height: 15px; border-radius: 50%;
  background: #fff; border: 3px solid var(--cyan);
}
.program .n { font-size: 12px; font-weight: 800; color: var(--cyan); }
.program a { color: var(--navy); font-weight: 700; text-decoration: none; }
.program a:hover { text-decoration: underline; }
.program p { margin: 2px 0 0; color: var(--muted); font-size: 15px; }

.about {
  display: grid; gap: 24px; grid-template-columns: 1fr; padding: 28px; border-radius: var(--radius);
  background: var(--card); border: 1px solid var(--line);
}
.about img { height: 44px; width: auto; }
@media (min-width: 760px) { .about { grid-template-columns: 220px 1fr; align-items: center; } }

/* ---------- speaker page ---------- */
.profile { text-align: center; }
.profile .avatar { width: 168px; height: 168px; margin: 0 auto 18px; padding: 5px; }
.profile .avatar img { border-width: 5px; }
.profile h1 { margin: 10px 0 2px; font-size: clamp(30px, 6vw, 44px); line-height: 1.1; }
.profile h1 small { font-size: .5em; font-weight: 600; color: #bfeaf3; }
.profile .roles { list-style: none; padding: 0; margin: 10px 0 0; color: #dbeaf6; font-size: 15px; }
.profile .roles li + li { margin-top: 2px; }
.profile .actions { justify-content: center; }

.talk { display: grid; gap: 22px; }
@media (min-width: 860px) { .talk { grid-template-columns: 1.4fr 1fr; align-items: start; } }
.panel {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow);
}
.panel h2 { margin-bottom: 8px; }
.subtitle { color: var(--teal); font-weight: 700; margin: 0 0 16px; }
blockquote {
  margin: 18px 0; padding: 14px 18px; border-left: 4px solid var(--lime); background: #f2f9ea;
  border-radius: 0 12px 12px 0; font-size: 17px; font-style: italic; color: var(--navy);
}
.info { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.info li { display: flex; gap: 12px; align-items: flex-start; }
.info .ic {
  flex: none; width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center;
  background: #e8f4fb; color: var(--blue);
}
.info .ic svg { width: 20px; height: 20px; }
.info b { display: block; color: var(--navy); }
.info span { color: var(--muted); font-size: 15px; }

.medal { display: grid; gap: 16px; margin-top: 8px; }
@media (min-width: 760px) { .medal { grid-template-columns: 1fr 1fr; } }
.side { border-radius: var(--radius); padding: 22px; color: #fff; }
.side.head { background: linear-gradient(150deg, var(--green), #1f7a3c); }
.side.tail { background: linear-gradient(150deg, var(--navy-2), var(--navy)); }
.side h3 { margin: 0 0 8px; font-size: 14px; letter-spacing: .14em; text-transform: uppercase; opacity: .9; }
.side p { margin: 0; font-size: 16px; }

.qrbox { display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center; }
.qrbox img { width: 200px; height: 200px; background: #fff; padding: 10px; border-radius: 14px; border: 1px solid var(--line); }
.qrbox small { color: var(--muted); }

.others { display: flex; gap: 14px; overflow-x: auto; padding-bottom: 6px; scrollbar-width: thin; }
.others a { flex: none; width: 120px; text-align: center; text-decoration: none; color: var(--navy); font-size: 13px; font-weight: 700; }
.others .avatar { width: 72px; height: 72px; margin: 0 auto 6px; }

/* ---------- footer ---------- */
footer { background: var(--navy); color: #c9d8ea; padding: 32px 0; font-size: 14px; }
footer::before { content: ""; display: block; height: 5px; background: var(--grad); margin-top: -32px; margin-bottom: 32px; }
footer a { color: #fff; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 28px; justify-content: space-between; }
footer p { margin: 0; }

.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%) translateY(120px);
  background: var(--navy); color: #fff; padding: 10px 18px; border-radius: 999px; font-weight: 600;
  transition: transform .25s ease; z-index: 50;
}
.toast.show { transform: translateX(-50%) translateY(0); }

@media (max-width: 520px) {
  .brand img { height: 24px; }
  .brand img.cop-logo { height: 30px; }
  .hero .wrap { padding-top: 40px; padding-bottom: 48px; }
  .actions .btn { flex: 1 1 100%; }
  .sp-card { padding: 14px; }
  .sp-card .avatar { width: 72px; height: 72px; }
  .profile .avatar { width: 140px; height: 140px; }
}

/* ---------- company logos ---------- */
.sp-left { flex: none; display: flex; flex-direction: column; align-items: center; gap: 10px; width: 84px; }
.co-logo { display: block; max-width: 84px; max-height: 30px; width: auto; height: auto; object-fit: contain; }
.co-chip {
  display: inline-flex; align-items: center; justify-content: center; margin-top: 16px;
  background: #fff; border-radius: 12px; padding: 8px 16px; box-shadow: 0 6px 20px -8px rgba(0, 0, 0, .35);
}
.co-chip .co-logo { max-width: 150px; max-height: 40px; }
@media (max-width: 520px) { .sp-left { width: 72px; } .co-logo { max-width: 72px; } }

/* ---------- declaration ---------- */
.decl-teaser {
  padding: 30px; border-radius: var(--radius); color: #fff;
  background: radial-gradient(600px 300px at 100% 0%, rgba(140, 198, 63, .25), transparent 60%),
              linear-gradient(150deg, var(--navy), var(--navy-2));
  box-shadow: var(--shadow);
}
.decl-teaser .eyebrow { color: var(--lime); }
.decl-teaser h2 { color: #fff; }
.decl-intro { color: #d6e6f5; margin: 0 0 18px; max-width: 760px; }
.decl-list { margin: 0 0 22px; padding-left: 22px; display: grid; gap: 6px 28px; font-weight: 600; }
@media (min-width: 760px) { .decl-list { grid-template-columns: 1fr 1fr; } }
.decl-list li::marker { color: var(--lime); font-weight: 800; }
.decl { max-width: 860px; margin: 0 auto; }
.decl-lead { font-size: 18px; margin: 0 0 22px; color: var(--navy); }
.decl-points { list-style: none; margin: 0; padding: 0; display: grid; gap: 18px; }
.decl-point { display: flex; gap: 16px; align-items: flex-start; }
.decl-n {
  flex: none; width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  background: var(--grad); color: #fff; font-weight: 800;
}
.decl-point h3 { margin: 2px 0 4px; color: var(--navy); font-size: 18px; }
.decl-point p { margin: 0; color: var(--muted); }
.decl-sign { margin: 18px 0 0; color: var(--muted); }

@media print {
  .top, footer, .actions, .others, .eyebrow + h2 + .others { display: none !important; }
  .hero { background: none !important; color: var(--navy); }
  .hero::after { display: none; }
  .hero h1, .hero p { color: var(--navy); text-shadow: none; }
  .panel { box-shadow: none; border: 0; }
  section { padding: 12px 0; }
}