/* ===== RESET & BASE ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:0s!important;transition-duration:0s!important}}
body{font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;background:#0d0b1a;color:#e0dce8;line-height:1.7;min-height:100vh;display:flex;flex-direction:column;overflow-x:hidden}

/* ===== SKIP LINK ===== */
.skip-link{position:absolute;top:-100%;left:16px;background:#a78bfa;color:#0d0b1a;padding:8px 16px;border-radius:0 0 6px 6px;z-index:10000;font-weight:700;text-decoration:none;transition:top .2s}
.skip-link:focus{top:0}

/* ===== COLORS / VARS ===== */
:root{
  --bg-deep:#0d0b1a;
  --bg-card:#1a1730;
  --bg-card-hover:#231f40;
  --accent:#a78bfa;
  --accent-dim:#7c5cbf;
  --accent-glow:rgba(167,139,250,.15);
  --text-primary:#e0dce8;
  --text-secondary:#a09bb5;
  --border:#2e2a47;
  --gradient-stage:linear-gradient(135deg,#0d0b1a 0%,#1a1040 40%,#12102a 100%);
  --light-beam:linear-gradient(180deg,rgba(167,139,250,.08) 0%,transparent 60%);
  --radius:10px;
  --shadow:0 4px 24px rgba(0,0,0,.4);
}

/* ===== LIGHT BEAMS (decorative) ===== */
body::before{content:'';position:fixed;top:-120px;left:15%;width:300px;height:600px;background:radial-gradient(ellipse at center,rgba(167,139,250,.07) 0%,transparent 70%);pointer-events:none;z-index:0;transform:rotate(-15deg)}
body::after{content:'';position:fixed;top:-80px;right:10%;width:250px;height:500px;background:radial-gradient(ellipse at center,rgba(124,92,191,.06) 0%,transparent 70%);pointer-events:none;z-index:0;transform:rotate(10deg)}

/* ===== TYPOGRAPHY ===== */
h1,h2,h3,h4{color:#f0ecf8;font-weight:700;line-height:1.25}
h1{font-size:clamp(1.8rem,4vw,2.8rem);margin-bottom:.6em}
h2{font-size:clamp(1.4rem,3vw,2rem);margin-bottom:.5em}
h3{font-size:clamp(1.1rem,2vw,1.4rem);margin-bottom:.4em}
p{margin-bottom:1em;color:var(--text-secondary)}
a{color:var(--accent);text-decoration:none;transition:color .2s}
a:hover{color:#c4b5fd}
a:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:3px}
ul,ol{padding-left:1.4em;margin-bottom:1em}
li{margin-bottom:.4em}

/* ===== LAYOUT ===== */
.container{width:100%;max-width:1100px;margin:0 auto;padding:0 20px;position:relative;z-index:1}
main{flex:1}

/* ===== HEADER ===== */
.site-header{background:rgba(13,11,26,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;padding:0 20px}
.header-inner{display:flex;align-items:center;justify-content:space-between;max-width:1100px;margin:0 auto;height:64px}
.site-logo{font-size:1.25rem;font-weight:700;color:#f0ecf8;text-decoration:none;letter-spacing:.3px}
.site-logo span{color:var(--accent)}

/* NAV */
.main-nav{display:flex;align-items:center}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;width:36px;height:36px;position:relative;flex-direction:column;justify-content:center;align-items:center;gap:0}
.hamburger-line{display:block;width:22px;height:2px;background:var(--text-primary);transition:transform .3s,opacity .3s;margin:3px 0}
.nav-toggle.open .hamburger-line:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-toggle.open .hamburger-line:nth-child(2){opacity:0}
.nav-toggle.open .hamburger-line:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
.nav-links{display:flex;list-style:none;gap:4px;padding:0;margin:0;flex-wrap:wrap}
.nav-links a{display:block;padding:6px 10px;border-radius:6px;font-size:.82rem;color:var(--text-secondary);transition:background .2s,color .2s;white-space:nowrap}
.nav-links a:hover,.nav-links a.active{background:var(--accent-glow);color:var(--accent)}

@media(max-width:960px){
  .nav-toggle{display:flex}
  .nav-links{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;background:rgba(13,11,26,.97);border-bottom:1px solid var(--border);padding:12px 20px;flex-wrap:nowrap}
  .nav-links.open{display:flex}
  .nav-links a{font-size:.95rem;padding:10px 16px}
}

/* ===== HERO ===== */
.hero{padding:80px 0 60px;text-align:center;background:var(--gradient-stage);position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);width:500px;height:400px;background:radial-gradient(ellipse,rgba(167,139,250,.1) 0%,transparent 70%);pointer-events:none}
.hero h1{position:relative}
.hero .subtitle{font-size:clamp(1rem,2vw,1.2rem);color:var(--text-secondary);max-width:640px;margin:0 auto 2em}

/* Inline SVG stage decoration */
.stage-visual{width:100%;max-width:600px;height:120px;margin:0 auto 2em;position:relative}
.stage-visual svg{width:100%;height:100%}

/* ===== SECTION ===== */
.section{padding:60px 0}
.section:nth-child(even){background:rgba(26,23,48,.4)}
.section-header{text-align:center;margin-bottom:40px}
.section-header p{max-width:600px;margin:0 auto}

/* ===== CARDS (light-panel style) ===== */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px 24px;position:relative;overflow:hidden;transition:transform .25s,box-shadow .25s,border-color .25s}
.card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent),var(--accent-dim));opacity:0;transition:opacity .3s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--accent-dim)}
.card:hover::before{opacity:1}
.card h3{margin-bottom:.5em}
.card p{font-size:.95rem}

/* Light sweep on hover */
.card::after{content:'';position:absolute;top:0;left:-100%;width:60%;height:100%;background:linear-gradient(90deg,transparent,rgba(167,139,250,.04),transparent);transition:left .5s;pointer-events:none}
.card:hover::after{left:120%}

/* ===== PLACEHOLDER PANELS ===== */
.placeholder-panel{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;min-height:180px;margin-bottom:24px;position:relative;overflow:hidden}
.placeholder-panel svg{width:80%;max-width:400px;height:auto;opacity:.5}

/* ===== DENEYIM AYARLAYICI ===== */
.configurator{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:32px;max-width:700px;margin:0 auto}
.config-group{margin-bottom:24px}
.config-group label{display:block;font-weight:600;color:var(--text-primary);margin-bottom:8px;font-size:.95rem}
.config-options{display:flex;gap:10px;flex-wrap:wrap}
.config-btn{background:rgba(167,139,250,.08);border:1px solid var(--border);color:var(--text-secondary);padding:10px 20px;border-radius:8px;cursor:pointer;font-size:.9rem;transition:all .2s}
.config-btn:hover{border-color:var(--accent-dim);color:var(--text-primary)}
.config-btn.selected{background:var(--accent);color:#0d0b1a;border-color:var(--accent);font-weight:600}
.config-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.config-result{background:rgba(167,139,250,.06);border:1px solid var(--border);border-radius:8px;padding:24px;margin-top:20px;min-height:100px;transition:opacity .3s}
.config-result h4{margin-bottom:.5em;color:var(--accent)}
.config-result ul{list-style:disc;padding-left:1.2em}
.config-result li{color:var(--text-secondary);margin-bottom:.3em}

/* ===== FAQ ===== */
.faq-list{max-width:750px;margin:0 auto}
.faq-item{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:12px;overflow:hidden}
.faq-question{width:100%;background:var(--bg-card);border:none;color:var(--text-primary);padding:18px 20px;font-size:1rem;font-weight:600;cursor:pointer;text-align:left;display:flex;justify-content:space-between;align-items:center;transition:background .2s}
.faq-question:hover{background:var(--bg-card-hover)}
.faq-question:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.faq-question::after{content:'+';font-size:1.3rem;color:var(--accent);transition:transform .2s;flex-shrink:0;margin-left:12px}
.faq-item.open .faq-question::after{transform:rotate(45deg)}
.faq-answer{display:grid;grid-template-rows:0fr;overflow:hidden;transition:grid-template-rows .3s ease}
.faq-item.open .faq-answer{grid-template-rows:1fr}
.faq-answer-inner{overflow:hidden;padding:0 20px}
.faq-item.open .faq-answer-inner{padding:0 20px 18px}
.faq-answer p{font-size:.95rem;margin-bottom:.5em}

/* ===== FORM (iletisim) ===== */
.contact-form{max-width:600px;margin:0 auto}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-weight:600;color:var(--text-primary);margin-bottom:6px;font-size:.9rem}
.form-group .required-mark{color:#ef4444}
.form-input{width:100%;padding:12px 16px;background:rgba(26,23,48,.8);border:1px solid var(--border);border-radius:8px;color:var(--text-primary);font-size:1rem;font-family:inherit;transition:border-color .2s}
.form-input:focus{outline:none;border-color:var(--accent)}
.form-input::placeholder{color:var(--text-secondary);opacity:.6}
textarea.form-input{min-height:140px;resize:vertical}
.form-checkbox{display:flex;align-items:flex-start;gap:10px;margin-bottom:20px}
.form-checkbox input[type="checkbox"]{margin-top:4px;accent-color:var(--accent);width:18px;height:18px;flex-shrink:0}
.form-checkbox label{font-size:.85rem;color:var(--text-secondary);cursor:pointer}
.form-submit{background:var(--accent);color:#0d0b1a;border:none;padding:14px 36px;border-radius:8px;font-size:1rem;font-weight:700;cursor:pointer;transition:background .2s,transform .1s}
.form-submit:hover{background:#c4b5fd}
.form-submit:active{transform:scale(.98)}
.form-submit:focus-visible{outline:2px solid #fff;outline-offset:3px}
.form-submit:disabled{opacity:.5;cursor:not-allowed}
.form-message{margin-top:16px;padding:14px;border-radius:8px;font-size:.95rem;display:none}
.form-message.success{display:block;background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.3);color:#86efac}
.form-message.error{display:block;background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.3);color:#fca5a5}
.hp-field{position:absolute;left:-9999px;opacity:0;height:0;width:0;overflow:hidden}

/* ===== CONTACT INFO ===== */
.contact-info{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-bottom:40px}
.contact-info-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;text-align:center}
.contact-info-item strong{display:block;color:var(--text-primary);margin-bottom:4px}

/* ===== FOOTER ===== */
.site-footer{background:rgba(13,11,26,.95);border-top:1px solid var(--border);padding:40px 20px 24px;margin-top:auto}
.footer-inner{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:30px}
.footer-col h4{color:var(--text-primary);margin-bottom:12px;font-size:.95rem}
.footer-col ul{list-style:none;padding:0}
.footer-col li{margin-bottom:6px}
.footer-col a{color:var(--text-secondary);font-size:.9rem}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{max-width:1100px;margin:24px auto 0;padding-top:20px;border-top:1px solid var(--border);text-align:center;font-size:.85rem;color:var(--text-secondary)}

/* ===== COOKIE BANNER ===== */
.cookie-banner{position:fixed;bottom:0;left:0;right:0;background:rgba(13,11,26,.97);border-top:1px solid var(--border);padding:20px;z-index:9999;transform:translateY(100%);transition:transform .3s;backdrop-filter:blur(8px)}
.cookie-banner.visible{transform:translateY(0)}
.cookie-inner{max-width:1100px;margin:0 auto;display:flex;flex-wrap:wrap;align-items:center;gap:16px}
.cookie-text{flex:1;min-width:260px;font-size:.9rem;color:var(--text-secondary)}
.cookie-text a{color:var(--accent)}
.cookie-actions{display:flex;gap:10px;flex-wrap:wrap}
.cookie-btn{padding:10px 20px;border-radius:8px;border:none;cursor:pointer;font-size:.9rem;font-weight:600;transition:background .2s}
.cookie-btn.accept{background:var(--accent);color:#0d0b1a}
.cookie-btn.reject{background:rgba(167,139,250,.1);color:var(--text-secondary);border:1px solid var(--border)}
.cookie-btn.settings{background:none;color:var(--accent);border:1px solid var(--accent)}
.cookie-btn:hover{opacity:.9}
.cookie-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* Cookie settings modal */
.cookie-modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:10000;display:none;align-items:center;justify-content:center;padding:20px}
.cookie-modal-overlay.visible{display:flex}
.cookie-modal{background:var(--bg-deep);border:1px solid var(--border);border-radius:var(--radius);padding:32px;max-width:500px;width:100%;max-height:80vh;overflow-y:auto}
.cookie-modal h3{margin-bottom:16px}
.cookie-toggle{display:flex;justify-content:space-between;align-items:center;padding:14px 0;border-bottom:1px solid var(--border)}
.cookie-toggle:last-child{border-bottom:none}
.cookie-toggle-info{flex:1}
.cookie-toggle-info strong{display:block;color:var(--text-primary);font-size:.95rem}
.cookie-toggle-info span{font-size:.8rem;color:var(--text-secondary)}
.toggle-switch{position:relative;width:44px;height:24px;flex-shrink:0;margin-left:12px}
.toggle-switch input{opacity:0;width:0;height:0;position:absolute}
.toggle-slider{position:absolute;inset:0;background:var(--border);border-radius:12px;cursor:pointer;transition:background .2s}
.toggle-slider::before{content:'';position:absolute;width:18px;height:18px;background:#fff;border-radius:50%;top:3px;left:3px;transition:transform .2s}
.toggle-switch input:checked+.toggle-slider{background:var(--accent)}
.toggle-switch input:checked+.toggle-slider::before{transform:translateX(20px)}
.toggle-switch input:disabled+.toggle-slider{opacity:.6;cursor:not-allowed}
.toggle-switch input:focus-visible+.toggle-slider{outline:2px solid var(--accent);outline-offset:2px}
.cookie-modal-actions{display:flex;gap:10px;margin-top:20px}
.cookie-modal-actions .cookie-btn{flex:1}

/* ===== LEGAL PAGES ===== */
.legal-content{max-width:800px;margin:0 auto;padding:40px 0 60px}
.legal-content h1{margin-bottom:1em}
.legal-content h2{margin-top:1.5em}
.legal-content p,.legal-content li{color:var(--text-secondary)}

/* ===== SITEMAP PAGE ===== */
.sitemap-list{list-style:none;padding:0}
.sitemap-list li{margin-bottom:10px}
.sitemap-list a{font-size:1.05rem}

/* ===== 404 ===== */
.error-page{text-align:center;padding:100px 20px}
.error-page h1{font-size:clamp(3rem,8vw,6rem);color:var(--accent);margin-bottom:.2em}
.error-page p{font-size:1.1rem;margin-bottom:2em}
.error-page a{display:inline-block;background:var(--accent);color:#0d0b1a;padding:12px 28px;border-radius:8px;font-weight:700}

/* ===== UTILITIES ===== */
.text-center{text-align:center}
.mt-1{margin-top:8px}
.mt-2{margin-top:16px}
.mt-3{margin-top:24px}
.mb-2{margin-bottom:16px}
.mb-3{margin-bottom:24px}

/* ===== TWO-COL LAYOUT ===== */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}
@media(max-width:768px){.two-col{grid-template-columns:1fr}}

/* ===== INLINE SVG ICONS ===== */
.icon-inline{width:48px;height:48px;margin-bottom:12px;color:var(--accent)}

/* ===== RESPONSIVE ===== */
@media(max-width:480px){
  .container{padding:0 16px}
  .hero{padding:50px 0 40px}
  .section{padding:40px 0}
  .card{padding:20px}
  .configurator{padding:20px}
  .cookie-inner{flex-direction:column;text-align:center}
  .cookie-actions{justify-content:center}
  .config-options{flex-direction:column}
}

/* ===== CONTENT WITH IMAGE ===== */
.content-with-image{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;margin-bottom:32px}
.content-with-image.reverse{direction:rtl}
.content-with-image.reverse>*{direction:ltr}
.content-image{border-radius:var(--radius);overflow:hidden;border:1px solid var(--border)}
.content-image img{width:100%;height:auto;display:block;border-radius:var(--radius)}
@media(max-width:768px){.content-with-image{grid-template-columns:1fr}.content-with-image.reverse{direction:ltr}}

/* ===== FORM CARD ===== */
.form-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:40px 32px;box-shadow:var(--shadow);max-width:640px;margin:0 auto}
@media(max-width:480px){.form-card{padding:24px 16px}}