:root{
  --foam:#F4F9FD;
  --ink:#122F5C;
  --sea:#1E88C7;
  --sea-deep:#163F73;
  --sun:#F6C63C;
  --leaf:#3E9B4F;
  --coral:#FF7A59;
  --radius:20px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Manrope',sans-serif;
  background:var(--foam);
  color:var(--ink);
  line-height:1.6;
  overflow-x:hidden;
}
h1,h2,h3,.display{font-family:'Unbounded',sans-serif;line-height:1.15}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1120px,92%);margin:0 auto}

/* ---------- NAV ---------- */
nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  background:rgba(244,249,253,.85);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(18,47,92,.08);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.logo{font-family:'Unbounded',sans-serif;font-weight:900;font-size:1.15rem;letter-spacing:-.02em}
.logo span{color:var(--sea)}
.nav-links{display:flex;gap:28px;font-weight:600;font-size:.92rem}
.nav-links a{opacity:.75;transition:opacity .2s}
.nav-links a:hover{opacity:1}
.btn{
  display:inline-block;font-weight:700;font-size:.95rem;
  padding:13px 26px;border-radius:999px;
  background:var(--sun);color:var(--ink);
  transition:transform .15s ease, box-shadow .15s ease;
  border:none;cursor:pointer;font-family:'Manrope',sans-serif;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(246,198,60,.4)}
.btn:focus-visible{outline:3px solid var(--sea);outline-offset:2px}
.btn.small{padding:10px 20px;font-size:.88rem}
.btn.ghost{background:transparent;border:2px solid rgba(244,249,253,.5);color:var(--foam)}
.btn.ghost:hover{box-shadow:none;border-color:var(--foam)}

/* ---------- HERO ---------- */
header{
  min-height:100svh;
  background:linear-gradient(178deg,var(--sea-deep) 0%,var(--sea) 68%, #35A7DB 100%);
  color:var(--foam);
  display:flex;flex-direction:column;justify-content:center;
  position:relative;overflow:hidden;
  padding:120px 0 140px;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:700;font-size:.85rem;letter-spacing:.14em;text-transform:uppercase;
  background:rgba(244,249,253,.12);padding:8px 18px;border-radius:999px;
  margin-bottom:26px;
}
.hero-eyebrow::before{content:'';width:8px;height:8px;border-radius:50%;background:var(--sun);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
h1{
  font-size:clamp(2.4rem,7vw,5rem);font-weight:900;letter-spacing:-.02em;
  max-width:14ch;
}
h1 em{font-style:normal;color:var(--sun)}
.hero-sub{max-width:52ch;font-size:1.15rem;margin:24px 0 36px;opacity:.92}
.hero-ctas{display:flex;gap:16px;flex-wrap:wrap}
.hero-strip{
  margin-top:56px;display:flex;gap:36px;flex-wrap:wrap;
  font-size:.92rem;font-weight:600;opacity:.9;
}
.hero-strip div strong{display:block;font-family:'Unbounded',sans-serif;font-size:1.5rem;color:var(--sun)}

/* animated waves */
.waves{position:absolute;bottom:-2px;left:0;width:200%;height:110px;display:flex}
.waves svg{width:50%;height:100%;flex-shrink:0}
.waves.back{opacity:.35;animation:drift 14s linear infinite;bottom:22px}
.waves.front{animation:drift 8s linear infinite}
@keyframes drift{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){
  .waves,.hero-eyebrow::before{animation:none}
  html{scroll-behavior:auto}
}

/* ---------- SECTIONS ---------- */
section{padding:96px 0}
.eyebrow{
  font-weight:800;font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--sea);margin-bottom:14px;
}
h2{font-size:clamp(1.7rem,4vw,2.6rem);font-weight:700;letter-spacing:-.01em;max-width:22ch}
.section-lead{max-width:58ch;margin-top:16px;font-size:1.05rem;opacity:.85}

/* tours */
.tour-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;margin-top:48px}
.tour{
  background:#fff;border-radius:var(--radius);padding:30px;
  border:1px solid rgba(18,47,92,.08);
  display:flex;flex-direction:column;gap:14px;
  transition:transform .2s ease, box-shadow .2s ease;
}
.tour:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(22,63,115,.12)}
.tour .tag{
  align-self:flex-start;font-size:.75rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;
  padding:6px 12px;border-radius:999px;background:rgba(30,136,199,.12);color:var(--sea-deep);
}
.tour .tag.sun{background:rgba(246,198,60,.2);color:#8a6400}
.tour .tag.coral{background:rgba(255,122,89,.15);color:#b13c1e}
.tour h3{font-size:1.15rem;font-weight:700}
.tour p{font-size:.95rem;opacity:.8;flex-grow:1}
.tour .meta{display:flex;justify-content:space-between;align-items:baseline;border-top:1px dashed rgba(18,47,92,.15);padding-top:14px}
.tour .price{font-family:'Unbounded',sans-serif;font-weight:700;font-size:1.25rem;color:var(--sea-deep)}
.tour .dur{font-size:.85rem;font-weight:600;opacity:.6}

/* dark band */
.band{
  background:var(--ink);color:var(--foam);
  border-radius:32px;padding:64px 8%;
  display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;
}
.band h2{color:var(--foam)}
.band ul{list-style:none;margin-top:24px;display:flex;flex-direction:column;gap:16px}
.band li{display:flex;gap:14px;font-size:1rem}
.band li::before{content:'〜';color:var(--sun);font-weight:700;flex-shrink:0}
.route-card{
  background:linear-gradient(160deg,var(--sea-deep),var(--sea));
  border-radius:24px;padding:36px;position:relative;overflow:hidden;
}
.route-card h3{font-size:1rem;letter-spacing:.1em;text-transform:uppercase;opacity:.85;margin-bottom:18px}
.route-svg{width:100%;height:auto}
.route-dot{animation:paddle 6s ease-in-out infinite}
@keyframes paddle{
  0%{offset-distance:0%}
  100%{offset-distance:100%}
}

/* ---------- ANNOUNCEMENT ---------- */
.duyuru{
  display:none;align-items:flex-start;gap:14px;
  background:#fff;border:2px solid var(--sun);
  border-radius:var(--radius);padding:18px 22px;margin-top:36px;
  font-weight:600;font-size:.95rem;
}
.duyuru.show{display:flex}
.duyuru .ic{font-size:1.4rem;line-height:1;flex-shrink:0}
.duyuru strong{color:#b13c1e}

/* ---------- CALENDAR ---------- */
.cal-wrap{
  margin-top:44px;overflow-x:auto;padding-bottom:8px;
  -webkit-overflow-scrolling:touch;
}
.cal{
  display:grid;
  grid-template-columns:repeat(7,minmax(152px,1fr));
  gap:14px;min-width:1100px;
}
.cal-day{
  background:#fff;border:1px solid rgba(18,47,92,.08);
  border-radius:var(--radius);padding:16px 12px;
  display:flex;flex-direction:column;gap:10px;
}
.cal-day.today{border:2px solid var(--sea)}
.cal-head{text-align:center;padding-bottom:10px;border-bottom:1px dashed rgba(18,47,92,.15)}
.cal-head .dow{font-weight:800;font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;color:var(--sea-deep)}
.cal-head .dom{font-family:'Unbounded',sans-serif;font-weight:700;font-size:1.2rem}
.slot{
  font-family:'Manrope',sans-serif;font-weight:700;font-size:.82rem;
  padding:10px 6px;border-radius:12px;text-align:center;
  white-space:nowrap;
  border:none;cursor:pointer;
  background:rgba(30,136,199,.12);color:var(--sea-deep);
  transition:transform .12s ease, background .12s ease;
}
.slot:hover{background:var(--sea);color:#fff;transform:translateY(-1px)}
.slot:focus-visible{outline:3px solid var(--sun);outline-offset:2px}
.slot.dolu{
  background:rgba(18,47,92,.06);color:rgba(18,47,92,.4);
  cursor:not-allowed;
}
.slot.dolu:hover{transform:none;background:rgba(18,47,92,.06);color:rgba(18,47,92,.4)}
.slot small{
  display:block;font-size:.68rem;font-weight:800;letter-spacing:.06em;
  margin-top:3px;color:var(--leaf);text-transform:uppercase;
}
.slot small.az{color:var(--coral)}
.slot:hover small{color:rgba(255,255,255,.9)}
.slot.dolu small{color:rgba(18,47,92,.4)}
.slot.dolu:hover small{color:rgba(18,47,92,.4)}
.cal-legend{display:flex;gap:24px;margin-top:20px;font-size:.88rem;font-weight:600;flex-wrap:wrap}
.cal-legend span{display:inline-flex;align-items:center;gap:8px}
.dotk{width:14px;height:14px;border-radius:5px;display:inline-block}
.dotk.bos{background:rgba(30,136,199,.35)}
.dotk.dolu{background:rgba(18,47,92,.15)}

/* ---------- BOOKING ---------- */
#rezervasyon .wrap{
  display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:start;
}
form{
  background:#fff;border-radius:var(--radius);padding:36px;
  border:1px solid rgba(18,47,92,.08);
  box-shadow:0 20px 50px rgba(22,63,115,.08);
  display:flex;flex-direction:column;gap:18px;
}
label{font-weight:700;font-size:.88rem;display:flex;flex-direction:column;gap:8px}
input,select,textarea{
  font-family:'Manrope',sans-serif;font-size:1rem;
  padding:13px 16px;border-radius:12px;border:1.5px solid rgba(18,47,92,.15);
  background:var(--foam);color:var(--ink);width:100%;
}
input:focus,select:focus,textarea:focus{outline:2px solid var(--sea);border-color:var(--sea)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-note{font-size:.85rem;opacity:.65}
.wa-hint{display:flex;align-items:center;gap:8px;font-size:.85rem;font-weight:600;color:var(--sea-deep)}

/* ---------- CONTACT / FOOTER ---------- */
.contact-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-top:40px}
.ccard{background:#fff;border:1px solid rgba(18,47,92,.08);border-radius:var(--radius);padding:26px}
.ccard h3{font-size:.85rem;letter-spacing:.1em;text-transform:uppercase;color:var(--sea);margin-bottom:10px}
.ccard p{font-weight:600}
footer{
  background:var(--ink);color:var(--foam);padding:40px 0;margin-top:40px;
}
.foot{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;font-size:.9rem;opacity:.85}

/* ---------- RESPONSIVE ---------- */
@media(max-width:860px){
  .nav-links{display:none}
  .band{grid-template-columns:1fr;padding:48px 7%}
  #rezervasyon .wrap{grid-template-columns:1fr}
  section{padding:72px 0}
}
@media(max-width:520px){
  .form-row{grid-template-columns:1fr}
  .hero-strip{gap:22px}
}
@media(max-width:700px){
  .cal-wrap{overflow-x:visible;padding-bottom:0}
  .cal{
    display:flex;flex-direction:column;
    min-width:0;gap:12px;
  }
  .cal-day{
    display:grid;grid-template-columns:repeat(2,1fr);
    gap:10px;padding:14px;
  }
  .cal-day.today{border-width:2px}
  .cal-head{
    grid-column:1/-1;
    display:flex;align-items:baseline;justify-content:space-between;
    text-align:left;padding-bottom:8px;margin-bottom:2px;
  }
  .cal-head .dom{font-size:1rem}
}
@media(max-width:400px){
  .cal-day{grid-template-columns:1fr}
}

/* ---------- FORM MESAJLARI ---------- */
.alert{border-radius:14px;padding:16px 20px;font-weight:600;margin-bottom:8px}
.alert.ok{background:rgba(62,155,79,.12);color:#2c7a3b;border:1.5px solid rgba(62,155,79,.4)}
.alert.err{background:rgba(255,122,89,.12);color:#b13c1e;border:1.5px solid rgba(255,122,89,.4)}