/* YIKA — landing page */
@import url('https://fonts.googleapis.com/css2?family=Hanken+Grotesk:wght@400;500;600;700;800&display=swap');

:root{
  --teal:#08A9B3; --teal-600:#0797a0; --teal-700:#068189;
  --deep:#015963; --deep-2:#013e45; --deep-3:#012b31;
  --mint:#DBF0F1; --mint-2:#EAF7F7;
  --page:#F4F8F8; --card:#FFFFFF;
  --ink:#0A2A2F; --body:#4A6067; --muted:#6C8087; --faint:#93A8AD;
  --border:#E1EAEA; --border-2:#D4E0E0;
  --green:#37C26B;
  --shadow-xs:0 1px 2px rgba(1,41,46,.06);
  --shadow-sm:0 4px 14px -6px rgba(1,41,46,.14);
  --shadow-md:0 16px 40px -18px rgba(1,41,46,.28);
  --shadow-brand:0 20px 50px -20px rgba(8,169,179,.45);
  --r-sm:10px; --r-md:14px; --r-lg:20px; --r-xl:28px;
  --wrap:1200px;
  --ease:cubic-bezier(.2,0,0,1);
  --sans:'Hanken Grotesk',system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{font-family:var(--sans);color:var(--ink);background:var(--page);line-height:1.5;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::selection{background:var(--teal);color:#fff}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 40px}
section{position:relative}
.eyebrow{font-size:12.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--teal)}
.sec-head{max-width:640px}
.sec-head .eyebrow{margin-bottom:16px;display:inline-block}
h1,h2,h3,h4{letter-spacing:-.022em;line-height:1.06;font-weight:800}
.sec-title{font-size:clamp(30px,3.4vw,44px)}
.sec-sub{color:var(--body);font-size:17px;line-height:1.55;margin-top:16px;max-width:52ch}
.text-pretty{text-wrap:pretty}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--sans);font-size:15px;font-weight:700;border:none;cursor:pointer;border-radius:var(--r-sm);padding:13px 22px;transition:transform .12s var(--ease),background .18s var(--ease),box-shadow .2s var(--ease);white-space:nowrap}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--teal);color:#fff;box-shadow:var(--shadow-brand)}
.btn-primary:hover{background:var(--teal-600)}
.btn-primary:active{transform:scale(.985) translateY(.5px)}
.btn-ghost{background:transparent;color:var(--deep);border:1px solid var(--border-2)}
.btn-ghost:hover{background:#fff;border-color:var(--teal);color:var(--teal-700)}
.btn-deep{background:var(--deep);color:#fff}
.btn-deep:hover{background:var(--deep-2)}
.btn-white{background:#fff;color:var(--deep)}
.btn-white:hover{background:var(--mint-2)}
.btn-lg{padding:15px 26px;font-size:16px}

/* ---------- HEADER ---------- */
.header{position:sticky;top:0;z-index:60;background:rgba(244,248,248,.82);backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid transparent;transition:border-color .2s,box-shadow .2s,background .2s}
.header.scrolled{border-bottom-color:var(--border);box-shadow:var(--shadow-xs);background:rgba(255,255,255,.9)}
.nav{display:flex;align-items:center;gap:12px;height:72px}
.brand img{height:26px}
.nav-links{display:flex;gap:6px;margin-left:24px}
.nav-links a{font-size:15px;font-weight:600;color:var(--body);padding:8px 12px;border-radius:8px;transition:color .15s,background .15s;white-space:nowrap}
.nav-links a:hover{color:var(--deep);background:var(--mint-2)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.lang{display:inline-flex;background:#fff;border:1px solid var(--border-2);border-radius:9px;overflow:hidden}
.lang button{font-family:var(--sans);font-size:12.5px;font-weight:700;color:var(--muted);background:none;border:none;cursor:pointer;padding:7px 11px;transition:.15s}
.lang button.on{background:var(--teal);color:#fff}
.portal-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--deep);padding:8px 10px}
.portal-link:hover{color:var(--teal-700)}
.portal-link svg{width:15px;height:15px}
.menu-toggle{display:none}

/* ---------- HERO ---------- */
.hero{position:relative;overflow:hidden;isolation:isolate}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,#F7FAFA 0%,#F4F8F8 40%,#EDF1F4 64%,#E7ECF1 100%);z-index:-1}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,580px);align-items:center;min-height:min(80vh,700px);padding:56px 0 64px}
.hero-copy .eyebrow{display:inline-flex;align-items:center;gap:9px;padding:7px 14px;background:#fff;border:1px solid var(--border);border-radius:999px;box-shadow:var(--shadow-xs);white-space:nowrap}
.hero-copy .eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(55,194,107,.18)}
.hero h1{font-size:clamp(40px,5.4vw,68px);margin-top:22px;letter-spacing:-.03em}
.hero h1 .hl{color:var(--teal)}
.hero-lead{font-size:19px;line-height:1.55;color:var(--body);margin-top:22px;max-width:34ch}
.hero-cta{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.hero-media{position:absolute;top:0;right:0;bottom:0;width:52%;z-index:0;overflow:hidden}
.hv-glow{position:absolute;top:50%;left:50%;transform:translate(-46%,-50%);width:80%;height:72%;background:radial-gradient(circle,rgba(8,169,179,.18),rgba(8,169,179,0) 68%)}
.hv-watermark{position:absolute;top:10%;right:-9%;width:60%;max-width:none;opacity:.08}
.hv-card{position:absolute;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow-md)}
.hv-ring{left:7%;top:29%;padding:24px 26px;display:flex;flex-direction:column;align-items:center;width:min(280px,48%)}
.hv-ring .big-ring{width:118px;height:118px}
.hv-ring .v{font-size:34px;font-weight:800;color:var(--deep);letter-spacing:-.02em;margin-top:14px;line-height:1}
.hv-ring .l{font-size:13px;color:var(--muted);font-weight:600;text-align:center;margin-top:5px;max-width:20ch;line-height:1.35}
.hv-ring .trend{margin-top:13px;font-size:12.5px;font-weight:700;color:#1E9E57;background:rgba(55,194,107,.12);border-radius:999px;padding:5px 12px;white-space:nowrap}
.hv-stat{right:7%;top:12%;padding:15px 18px;display:flex;align-items:center;gap:13px}
.hv-stat .ic{width:42px;height:42px;border-radius:12px;background:var(--mint);color:var(--teal-700);display:flex;align-items:center;justify-content:center;flex:0 0 42px}
.hv-stat .ic svg{width:22px;height:22px}
.hv-stat .sv{font-size:22px;font-weight:800;color:var(--ink);line-height:1;letter-spacing:-.02em}
.hv-stat .sl{font-size:12.5px;color:var(--muted);font-weight:600;margin-top:3px;white-space:nowrap}
.hv-pill{position:absolute;right:11%;bottom:23%;display:inline-flex;align-items:center;gap:9px;background:var(--deep);color:#fff;font-size:13.5px;font-weight:700;border-radius:999px;padding:10px 16px;box-shadow:var(--shadow-md);white-space:nowrap}
.hv-pill .dot{width:8px;height:8px;border-radius:50%;background:#3EE38A;box-shadow:0 0 0 4px rgba(62,227,138,.28)}

/* ---------- STATS / REFERANSLAR ---------- */
.stats{background:linear-gradient(160deg,var(--deep),var(--deep-2));color:#fff;border-radius:var(--r-xl);padding:44px 48px;box-shadow:var(--shadow-md);position:relative;overflow:hidden;margin-top:0;z-index:2}
.stats::after{content:"";position:absolute;right:-60px;top:-40px;width:340px;height:340px;background:url('assets/icon-white.svg') no-repeat center/contain;opacity:.06;transform:rotate(6deg)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.stat .num{font-size:clamp(34px,4vw,52px);font-weight:800;letter-spacing:-.03em;line-height:1}
.stat .cap{color:#A9DDE0;font-size:14px;font-weight:600;margin-top:8px}
.stat+.stat{border-left:1px solid rgba(255,255,255,.14);padding-left:24px}
.geo{margin-top:34px;padding-top:26px;border-top:1px solid rgba(255,255,255,.14);display:flex;align-items:center;gap:16px;flex-wrap:wrap;position:relative}
.geo .lbl{font-size:15px;font-weight:600;color:#CDECEE}
.geo-pins{display:flex;gap:10px;flex-wrap:wrap}
.geo-pins .pin{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:999px;padding:7px 15px}
.geo-pins .pin::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px rgba(8,169,179,.3)}

/* referanslar / videos */
.refs{padding:76px 0}
.vids{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:36px}
.vid{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-xs);transition:transform .2s var(--ease),box-shadow .2s var(--ease)}
.vid:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.vid .frame{position:relative;aspect-ratio:16/9;background:#012b31}
.vid iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.vid .cap{padding:18px 22px;display:flex;align-items:center;gap:12px}
.vid .cap .tag{font-size:12px;font-weight:800;color:var(--deep);background:var(--mint);border-radius:999px;padding:4px 11px}
.vid .cap p{font-size:15px;font-weight:600;color:var(--body)}

/* ---------- EDITIONS ---------- */
.editions{padding:56px 0 84px}
.ed-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:40px}
.ed{position:relative;border-radius:var(--r-xl);overflow:hidden;min-height:440px;display:flex;flex-direction:column;justify-content:flex-end;color:#fff;box-shadow:var(--shadow-sm);transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.ed:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.ed img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.ed::after{content:"";position:absolute;inset:0;background:linear-gradient(190deg,rgba(1,43,49,.05) 20%,rgba(1,43,49,.55) 62%,rgba(1,30,34,.9));z-index:-1}
.ed .ed-body{padding:34px}
.ed .chip{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:800;background:rgba(255,255,255,.16);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:7px 14px;margin-bottom:16px}
.ed .chip img{width:16px;height:16px;position:static}
.ed h3{font-size:27px;max-width:15ch}
.ed .feats{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.ed .feats li{list-style:none;display:flex;gap:10px;align-items:flex-start;font-size:15px;color:#EAF6F7;font-weight:500}
.ed .feats svg{width:19px;height:19px;flex:0 0 19px;margin-top:1px;color:var(--green)}
.ed .btn{margin-top:24px}

/* ---------- HOW IT WORKS ---------- */
.how{padding:84px 0;background:linear-gradient(180deg,#fff,#F4F8F8)}
.how-photo{margin-top:44px;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--shadow-md);border:1px solid var(--border)}
.how-photo img{width:100%}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:34px;counter-reset:s}
.step{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:26px 24px;position:relative;transition:transform .2s var(--ease),box-shadow .2s var(--ease)}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.step .idx{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:var(--deep);color:#fff;font-size:15px;font-weight:800}
.step .ic{width:44px;height:44px;border-radius:12px;background:var(--mint);color:var(--teal-700);display:flex;align-items:center;justify-content:center;margin:0 0 0 auto;position:absolute;top:26px;right:24px}
.step .ic svg{width:23px;height:23px}
.step h4{font-size:18px;margin-top:20px}
.step p{font-size:14.5px;color:var(--body);margin-top:9px;line-height:1.5}

/* ---------- BENEFITS ---------- */
.benefits{padding:84px 0}
.tabs{display:inline-flex;background:#fff;border:1px solid var(--border);border-radius:12px;padding:5px;gap:5px;margin-top:26px;box-shadow:var(--shadow-xs)}
.tabs button{font-family:var(--sans);font-size:15px;font-weight:700;color:var(--muted);background:none;border:none;cursor:pointer;padding:10px 26px;border-radius:8px;transition:.18s var(--ease)}
.tabs button.on{background:var(--teal);color:#fff;box-shadow:var(--shadow-brand)}
.ben-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:36px}
.ben{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:30px;display:flex;gap:24px;align-items:flex-start;transition:transform .2s var(--ease),box-shadow .2s var(--ease)}
.ben:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.ben .lead{flex:0 0 auto;min-width:112px}
.ben .lead .stat-num{font-size:44px;font-weight:800;color:var(--teal);letter-spacing:-.03em;line-height:.95}
.ben .lead .ic{width:56px;height:56px;border-radius:16px;background:var(--mint);color:var(--teal-700);display:flex;align-items:center;justify-content:center}
.ben .lead .ic svg{width:28px;height:28px}
.ben h4{font-size:19px}
.ben p{font-size:15px;color:var(--body);margin-top:8px;line-height:1.55}
.ben-panel{display:none}
.ben-panel.on{display:block;animation:fade .4s var(--ease)}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ---------- FAQ ---------- */
.faq{padding:84px 0;background:linear-gradient(180deg,#F4F8F8,#EBF2F2)}
.faq-list{margin-top:36px;max-width:860px;border-top:1px solid var(--border-2)}
.q{border-bottom:1px solid var(--border-2)}
.q button{width:100%;background:none;border:none;cursor:pointer;font-family:var(--sans);text-align:left;display:flex;align-items:center;gap:18px;padding:22px 6px;color:var(--ink)}
.q .qt{font-size:18px;font-weight:700;flex:1}
.q .ico{flex:0 0 24px;width:24px;height:24px;color:var(--teal);transition:transform .28s var(--ease)}
.q.open .ico{transform:rotate(45deg)}
.q .ans{max-height:0;overflow:hidden;transition:max-height .34s var(--ease)}
.q .ans-in{padding:0 46px 24px 6px;color:var(--body);font-size:16px;line-height:1.62}
.q .ans-in strong{color:var(--deep);font-weight:700}

/* ---------- CONTACT ---------- */
.contact{padding:88px 0}
.contact-grid{display:grid;grid-template-columns:.86fr 1.14fr;gap:56px;align-items:start}
.contact-info h2{font-size:clamp(30px,3.2vw,42px)}
.contact-info .sec-sub{margin-bottom:32px}
.cx{display:flex;gap:16px;align-items:flex-start;padding:16px 0;border-top:1px solid var(--border)}
.cx .ic{flex:0 0 44px;width:44px;height:44px;border-radius:12px;background:var(--mint);color:var(--teal-700);display:flex;align-items:center;justify-content:center}
.cx .ic svg{width:21px;height:21px}
.cx .k{font-size:12.5px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--muted)}
.cx .v{font-size:16px;font-weight:600;color:var(--ink);margin-top:3px}
.cx a.v:hover{color:var(--teal-700)}
.form{background:#fff;border:1px solid var(--border);border-radius:var(--r-xl);padding:34px;box-shadow:var(--shadow-sm)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:700;color:var(--body);margin-bottom:7px}
.field input,.field select,.field textarea{width:100%;font-family:var(--sans);font-size:15px;color:var(--ink);background:#F8FBFB;border:1px solid var(--border-2);border-radius:var(--r-sm);padding:13px 14px;transition:border .15s,box-shadow .15s;outline:none}
.field textarea{resize:vertical;min-height:120px}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(8,169,179,.15);background:#fff}
.field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%23068189' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 13px center;padding-right:40px}
.form .btn{width:100%;justify-content:center;margin-top:6px}
.form-note{font-size:12.5px;color:var(--faint);text-align:center;margin-top:14px}

/* ---------- FOOTER ---------- */
.footer{background:var(--deep-3);color:#fff;padding:64px 0 30px}
.f-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.f-brand img{height:28px}
.f-brand p{color:#8CBFC4;font-size:14.5px;margin-top:16px;max-width:32ch;line-height:1.6}
.f-col h5{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#6FAAB0;margin-bottom:16px}
.f-col a{display:block;font-size:15px;color:#CFE7E9;margin-bottom:12px;transition:color .15s}
.f-col a:hover{color:#fff}
.f-bar{margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:#6FAAB0}
.f-bar .fl{display:flex;gap:22px;flex-wrap:wrap}

/* reveal */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---------- RESPONSIVE ---------- */
@media(max-width:960px){
  .wrap{padding:0 24px}
  .nav-links,.portal-link .txt{display:none}
  .nav{gap:8px;height:64px}

  /* hero: single column, cards flow instead of overlapping */
  .hero-grid{grid-template-columns:1fr;gap:24px;min-height:0;padding:34px 0 44px}
  .hero-media{position:static;width:100%;max-width:520px;height:auto;margin:6px auto 0;display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
  .hv-glow,.hv-watermark{display:none}
  .hv-card{position:static !important;inset:auto !important}
  .hv-ring{width:100%;max-width:340px;padding:22px 24px}
  .hv-ring .big-ring{width:104px;height:104px}
  .hv-stat,.hv-pill{flex:0 0 auto}
  .hv-pill{justify-content:center}

  .stats-grid{grid-template-columns:1fr 1fr;gap:22px}
  .stat+.stat{border-left:none;padding-left:0}
  .vids,.ed-grid,.steps,.ben-grid,.contact-grid,.f-grid{grid-template-columns:1fr}
  .steps{gap:16px}
  .contact-grid{gap:32px}
  .f-grid{gap:28px}
}
@media(max-width:560px){
  .wrap{padding:0 18px}
  .brand img{height:23px}
  .stats{padding:28px 22px;border-radius:var(--r-lg)}
  .stats-grid{grid-template-columns:1fr 1fr;gap:16px 18px}
  .form{padding:24px}
  .form-row{grid-template-columns:1fr;gap:0}
  .hero-cta{gap:10px}
  .hero-cta .btn{flex:1 1 auto;justify-content:center}
  .ed{min-height:380px}
  .ed .ed-body{padding:26px}
  /* benefit cards: stack lead above text so nothing gets squeezed */
  .ben{flex-direction:column;gap:14px;padding:24px}
  .ben .lead{min-width:0}
  .ben .lead .stat-num{font-size:38px}
  .q .qt{font-size:16px}
  .q .ans-in{padding-right:6px;font-size:15px}
  .f-bar{flex-direction:column;gap:10px}
}
@media(max-width:400px){
  .hv-ring .l{text-align:center}
}