:root{
  --bg:#FFFFFF; --alt:#F3F5F8; --line:#DDE2E9; --text:#0F1B2D; --muted:#4E5A6B;
  --accent:#16305C; --on-accent:#FFFFFF; --band-text:#C9D3E3; --band-line:rgba(255,255,255,.18);
  --foot:#0F1B2D;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:'Montserrat',system-ui,-apple-system,sans-serif;font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:var(--accent)}
h1,h2,h3{margin:0;font-weight:700}
p{margin:0}
section[id],div[id]{scroll-margin-top:84px}
.wrap{max-width:1160px;margin:0 auto;padding-left:24px;padding-right:24px}
.wrap-narrow{max-width:860px;margin:0 auto;padding-left:24px;padding-right:24px}
.section{padding-top:96px;padding-bottom:96px;display:flex;flex-direction:column;gap:36px}
.section-top{padding-top:104px;display:flex;flex-direction:column;gap:36px}
.section h2,.section-top h2{font-size:clamp(28px,3.4vw,40px);line-height:1.2;letter-spacing:-.01em}
.muted{color:var(--muted)}
.small{font-size:15px}
.small-text{font-size:15px}
.tiny{font-size:13px}
.bg-alt{background:var(--alt)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:8px;font-family:inherit;font-weight:600;text-decoration:none;cursor:pointer;border:1.5px solid transparent;transition:opacity .15s ease}
.btn:hover{opacity:.88}
.btn:focus-visible,.menu-btn:focus-visible,.icon-btn:focus-visible,.opt:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.btn-primary{background:var(--accent);color:var(--on-accent)}
.btn-outline{background:transparent;color:var(--text);border-color:var(--text)}
.btn-sm{min-height:44px;padding:0 20px;font-size:14px}
.btn-lg{min-height:54px;padding:0 30px;font-size:16px}
.btn-primary:not(.btn-sm):not(.btn-lg){min-height:48px;padding:0 32px;font-size:15px}

/* header */
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.header-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:14px;padding-bottom:14px}
.brand{display:flex;flex-direction:column;line-height:1.3;text-decoration:none;color:var(--text)}
.brand-name{font-size:18px;font-weight:700}
.brand-sub{font-size:14px;color:var(--muted)}
.nav-desktop{display:flex;align-items:center;gap:28px;font-size:15px;font-weight:500}
.nav-desktop a:not(.btn){color:var(--text);text-decoration:none}
.nav-desktop a:not(.btn):hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px}
.nav-mobile-actions{display:none;align-items:center;gap:10px}
.menu-btn{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:8px;background:transparent;color:var(--text);padding:0;cursor:pointer}
.nav-mobile{display:flex;flex-direction:column;padding:4px 24px 16px;border-top:1px solid var(--line)}
.nav-mobile[hidden]{display:none}
.nav-mobile a{min-height:52px;display:flex;align-items:center;color:var(--text);text-decoration:none;font-weight:600;font-size:16px;border-bottom:1px solid var(--line)}
.nav-mobile a:last-child{border-bottom:none}

/* hero */
.hero-wrap{position:relative;overflow:hidden}
.hero-anim{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.hero{position:relative;padding-top:120px;padding-bottom:112px;display:flex;flex-direction:column;gap:28px}
.hero-hello{font-size:18px;color:var(--muted)}
.hero h1{max-width:820px;font-size:clamp(36px,5.2vw,64px);line-height:1.1;letter-spacing:-.02em}
.hero-lead{max-width:600px;font-size:19px;color:var(--muted)}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px 24px;padding-top:8px}

/* about */
.about{border-top:1px solid var(--line);padding:96px 0;display:flex;flex-wrap:wrap;gap:32px 72px}
.about-title{flex:1 1 220px;font-size:28px;line-height:1.25}
.about-text{flex:999 1 520px;min-width:0;max-width:720px;display:flex;flex-direction:column;gap:22px;font-size:19px;color:var(--muted)}
.about-text .strong-text{color:var(--text)}

/* topics */
.topics{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));column-gap:64px}
.topic{border-top:1px solid var(--line);padding:22px 0 26px;display:flex;flex-direction:column;gap:4px}
.topic h3{font-size:21px}
.topic p{font-size:15px;color:var(--muted);line-height:1.6}

/* band */
.band{background:var(--accent);color:var(--band-text)}
.band h2,.band h3{color:#FFFFFF}
.band-row{display:flex;flex-direction:row;flex-wrap:wrap;gap:48px 80px;padding-top:104px;padding-bottom:104px}
.band-main{flex:999 1 520px;min-width:0;display:flex;flex-direction:column;gap:20px}
.band-side{flex:1 1 300px;min-width:0}
.band-side h3{font-size:17px;padding-bottom:12px}
.band-side ul{list-style:none;margin:0;padding:0}
.band-side li{font-size:15px;padding:12px 0;border-top:1px solid var(--band-line)}

/* tools */
.section-head{display:flex;flex-direction:column;gap:10px;max-width:640px}
.tools{display:flex;flex-wrap:wrap;gap:24px;align-items:flex-start}
.tool{border-radius:16px;padding:32px;display:flex;flex-direction:column;gap:18px;min-width:0}
.tool h3{font-size:20px}
.tool-breath{flex:1 1 320px;background:var(--alt);align-items:center}
.tool-breath h3,.tool-breath .small-text{align-self:stretch}
.tool-quiz{flex:1.6 1 420px;border:1px solid var(--line);gap:22px}
.breath-stage{position:relative;width:240px;height:240px;display:flex;align-items:center;justify-content:center;margin:8px 0}
.breath-ring{position:absolute;inset:0;border-radius:50%;border:1.5px dashed var(--line)}
.breath-circle{position:absolute;inset:0;border-radius:50%;background:var(--accent);transform:scale(.45);transition:transform .6s ease-in-out}
.breath-label{position:relative;color:var(--on-accent);font-weight:700;font-size:16px}
.q{display:flex;flex-direction:column;gap:10px}
.q-text{font-weight:600;font-size:15px}
.q-opts{display:flex;flex-wrap:wrap;gap:8px}
.opt{min-height:44px;padding:0 16px;border-radius:999px;font-family:inherit;font-size:14px;font-weight:600;cursor:pointer;border:1.5px solid var(--line);background:transparent;color:var(--text)}
.opt[aria-pressed="true"]{border-color:var(--accent);background:var(--accent);color:var(--on-accent)}
.quiz-list{display:flex;flex-direction:column;gap:22px}
.quiz-result{background:var(--alt);border-radius:12px;padding:22px;display:flex;flex-direction:column;gap:14px}
.quiz-result[hidden]{display:none}
.quiz-msg{font-size:15px;line-height:1.65}
.quiz-actions{display:flex;flex-wrap:wrap;gap:10px}

/* faq */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:24px;padding:22px 0;min-height:44px;font-weight:600;font-size:17px}
.faq summary::-webkit-details-marker{display:none}
.faq .plus{font-size:24px;color:var(--muted);line-height:1;font-weight:400;transition:transform .2s ease}
.faq details[open] .plus{transform:rotate(45deg)}
.faq details p{padding:0 0 24px;color:var(--muted);max-width:720px}

/* contact */
.contact{gap:28px}
.contact-title{max-width:760px;font-size:clamp(30px,4.2vw,52px)!important;line-height:1.12!important;letter-spacing:-.02em!important}
.contact-lead{max-width:560px}
.contact-actions{display:flex;flex-wrap:wrap;gap:14px}
.contact-info{display:flex;flex-wrap:wrap;gap:24px 56px;padding-top:28px;margin-top:8px;border-top:1px solid var(--line)}
.contact-info>div{display:flex;flex-direction:column;gap:2px;min-width:0}
.contact-info .label{font-size:14px}
.contact-info a,.contact-info .value{color:var(--text);text-decoration:none;font-size:17px;font-weight:600}
.contact-info .email{white-space:nowrap}
.contact-info .icons{flex-direction:row;align-items:flex-end;gap:12px}
.icon-btn{width:48px;height:48px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:var(--accent);color:var(--on-accent)!important}

/* footer */
.site-footer{background:var(--foot);color:var(--band-text);font-size:13px}
.footer-row{padding-top:36px;padding-bottom:36px;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px}
.footer-links{display:flex;flex-wrap:wrap;gap:8px 28px}
.footer-links a{color:var(--band-text)}

/* kvkk */
.legal{max-width:820px;margin:0 auto;padding:72px 24px 104px;display:flex;flex-direction:column;gap:40px}
.legal h1{font-size:clamp(28px,4vw,40px);line-height:1.2;letter-spacing:-.01em}
.legal h2{font-size:20px}
.legal section{display:flex;flex-direction:column;gap:10px;color:#2F3B4C}
.legal .box{background:var(--alt);border-radius:12px;padding:20px 24px;display:flex;flex-direction:column;gap:4px;font-size:15px}
.legal ul{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:6px}

@media (max-width:760px){
  .nav-desktop{display:none}
  .nav-mobile-actions{display:flex}
  .brand-name{font-size:16px;white-space:nowrap}
  .header-row{flex-wrap:nowrap}
  .hero{padding-top:72px;padding-bottom:80px}
  .section{padding-top:72px;padding-bottom:72px}
  .section-top{padding-top:72px}
  .about{padding:72px 0}
  .band-row{padding-top:72px;padding-bottom:72px}
  .tool{padding:24px}
  .contact-info .email{font-size:14px}
  .topics{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .hero-anim{display:none}
}