/* =========================================================
   Ayyıldız E-İmza & KEP Bayi — Design System
   ========================================================= */
:root{
  --navy:#0a2540;
  --navy-light:#1a365d;
  --navy-dark:#061a30;
  --white:#ffffff;
  --bg:#f8fafc;
  --bg-alt:#eef2f7;
  --text:#0f172a;
  --text-muted:#475569;
  --gray:#6b7280;
  --border:#e2e8f0;
  --accent:#e63946;
  --accent-dark:#c1121f;
  --wa:#25d366;
  --wa-dark:#1ebe57;
  --success:#16a34a;
  --warn:#f59e0b;
  --radius:12px;
  --radius-sm:8px;
  --radius-lg:20px;
  --shadow-sm:0 1px 2px rgba(10,37,64,.06), 0 1px 3px rgba(10,37,64,.08);
  --shadow:0 4px 6px -1px rgba(10,37,64,.08), 0 10px 20px -5px rgba(10,37,64,.08);
  --shadow-lg:0 20px 40px -10px rgba(10,37,64,.18);
  --container:1200px;
  --header-h:72px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --transition:200ms ease;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.65;
  color:var(--text);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--navy);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--accent)}
h1,h2,h3,h4{color:var(--navy);line-height:1.25;margin:0 0 .5em;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(1.9rem,4vw,2.75rem)}
h2{font-size:clamp(1.5rem,3vw,2.1rem)}
h3{font-size:clamp(1.15rem,2vw,1.4rem)}
p{margin:0 0 1em}
ul{padding-left:1.25em}
button{font-family:inherit;cursor:pointer;border:none}

.container{max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:clamp(48px,7vw,96px) 0}
.section--alt{background:var(--bg)}
.section--navy{background:var(--navy);color:#e2e8f0}
.section--navy h2,.section--navy h3{color:var(--white)}
.section-head{text-align:center;max-width:760px;margin:0 auto clamp(32px,5vw,56px)}
.section-head p{color:var(--text-muted);font-size:1.05rem}
.section--navy .section-head p{color:#cbd5e1}
.eyebrow{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:12px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--border);
  height:var(--header-h);
  display:flex;align-items:center;
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--navy);font-size:1.15rem}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(135deg,var(--navy),var(--navy-light));
  display:grid;place-items:center;color:var(--white);font-weight:900;
  box-shadow:var(--shadow-sm);
}
.brand-mark::before{content:"★";font-size:1.1rem;color:var(--accent)}
.nav{display:flex;align-items:center;gap:6px}
.nav a{
  padding:10px 14px;font-weight:600;color:var(--text);border-radius:var(--radius-sm);
  font-size:.95rem;
}
.nav a:hover{background:var(--bg-alt);color:var(--navy)}
.nav a.active{color:var(--accent)}
.nav-cta{margin-left:8px}
.nav-toggle{display:none;background:transparent;padding:8px;border-radius:var(--radius-sm)}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--navy);margin:5px 0;transition:var(--transition)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media (max-width:900px){
  .nav{
    position:fixed;top:var(--header-h);left:0;right:0;
    background:var(--white);flex-direction:column;align-items:stretch;
    padding:16px 20px;gap:4px;border-bottom:1px solid var(--border);
    transform:translateY(-120%);transition:transform 300ms ease;
    box-shadow:var(--shadow);
  }
  .nav.is-open{transform:translateY(0)}
  .nav a{padding:14px 16px;border-radius:var(--radius-sm)}
  .nav-cta{margin:8px 0 0}
  .nav-toggle{display:block}
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--radius);
  font-weight:700;font-size:.98rem;line-height:1;
  transition:transform var(--transition),box-shadow var(--transition),background var(--transition);
  white-space:nowrap;cursor:pointer;text-decoration:none;
}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.btn--primary{background:var(--accent);color:var(--white)}
.btn--primary:hover{background:var(--accent-dark);color:var(--white)}
.btn--navy{background:var(--navy);color:var(--white)}
.btn--navy:hover{background:var(--navy-light);color:var(--white)}
.btn--wa{background:var(--wa);color:var(--white)}
.btn--wa:hover{background:var(--wa-dark);color:var(--white)}
.btn--pay{background:var(--accent);color:var(--white)}
.btn--pay:hover{background:#c5303b;color:var(--white)}
.btn--ghost{background:transparent;color:var(--navy);border:2px solid var(--navy)}
.btn--ghost:hover{background:var(--navy);color:var(--white)}
.btn--sm{padding:9px 16px;font-size:.88rem}
.btn--lg{padding:16px 32px;font-size:1.05rem}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(1000px 500px at 85% -20%, rgba(230,57,70,.18), transparent 60%),
    radial-gradient(800px 400px at 10% 110%, rgba(26,54,93,.25), transparent 60%),
    linear-gradient(160deg,var(--navy) 0%,var(--navy-dark) 100%);
  color:var(--white);
  padding:clamp(64px,10vw,120px) 0;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:60px 60px;
  mask-image:radial-gradient(ellipse at center,black 40%,transparent 75%);
  pointer-events:none;
}
.hero__inner{position:relative;display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:center}
.hero h1{color:var(--white);margin-bottom:20px}
.hero p.lead{font-size:clamp(1.02rem,1.4vw,1.18rem);color:#cbd5e1;max-width:580px;margin-bottom:28px}
.hero__badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.hero__badges span{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  padding:7px 13px;border-radius:999px;font-size:.82rem;font-weight:600;
}
.hero__badges span::before{content:"✓";color:var(--wa);font-weight:900}
.hero__ctas{display:flex;flex-wrap:wrap;gap:12px}
.hero__visual{
  position:relative;aspect-ratio:1;max-width:420px;margin:0 auto;
  background:linear-gradient(135deg,rgba(255,255,255,.08),rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-lg);
  display:grid;place-items:center;
  box-shadow:var(--shadow-lg);
}
.hero__visual::before{
  content:"★";font-size:clamp(140px,22vw,240px);
  background:linear-gradient(180deg,var(--accent),#ff6b7a);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 10px 30px rgba(230,57,70,.4));
}
@media (max-width:900px){
  .hero__inner{grid-template-columns:1fr;gap:32px}
  .hero__visual{max-width:280px}
}

/* ---------- Cards / Grid ---------- */
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
@media (max-width:960px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:620px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

.card{
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px;transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c9d4e2}
.card .icon{
  width:52px;height:52px;border-radius:12px;
  background:linear-gradient(135deg,var(--navy),var(--navy-light));
  color:var(--white);display:grid;place-items:center;font-size:1.5rem;font-weight:900;
  margin-bottom:16px;
}
.card h3{margin-bottom:8px}
.card p{color:var(--text-muted);margin-bottom:16px;flex:1}
.card__link{color:var(--accent);font-weight:700;font-size:.92rem;display:inline-flex;align-items:center;gap:4px}
.card__link::after{content:"→";transition:transform var(--transition)}
.card:hover .card__link::after{transform:translateX(4px)}

/* ---------- Features ---------- */
.feature{display:flex;gap:16px;align-items:flex-start}
.feature .icon{flex-shrink:0;width:44px;height:44px;border-radius:10px;background:var(--bg-alt);color:var(--accent);display:grid;place-items:center;font-size:1.2rem;font-weight:900}
.feature h3{margin:0 0 6px;font-size:1.08rem}
.feature p{color:var(--text-muted);margin:0;font-size:.95rem}
.section--navy .feature .icon{background:rgba(255,255,255,.08);color:var(--accent)}
.section--navy .feature p{color:#cbd5e1}

/* ---------- City Grid ---------- */
.city-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:8px;
  max-width:var(--container);margin:0 auto;
}
.city-grid a{
  padding:11px 12px;background:var(--white);border:1px solid var(--border);border-radius:var(--radius-sm);
  font-size:.9rem;font-weight:600;text-align:center;color:var(--navy);
  transition:all var(--transition);
}
.city-grid a:hover{background:var(--navy);color:var(--white);border-color:var(--navy);transform:translateY(-2px)}
.section--navy .city-grid a{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.14);color:#e2e8f0}
.section--navy .city-grid a:hover{background:var(--accent);border-color:var(--accent);color:var(--white)}

/* ---------- FAQ / Accordion ---------- */
.faq{max-width:820px;margin:0 auto}
.faq-item{
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius);
  margin-bottom:12px;overflow:hidden;transition:border-color var(--transition);
}
.faq-item.is-open{border-color:var(--navy)}
.faq-q{
  width:100%;text-align:left;background:transparent;
  padding:18px 22px;font-size:1.02rem;font-weight:700;color:var(--navy);
  display:flex;justify-content:space-between;align-items:center;gap:16px;cursor:pointer;
}
.faq-q::after{
  content:"+";font-size:1.5rem;font-weight:400;color:var(--accent);
  transition:transform var(--transition);flex-shrink:0;
}
.faq-item.is-open .faq-q::after{transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height 300ms ease;
  color:var(--text-muted);
}
.faq-a>div{padding:0 22px 20px}
.faq-item.is-open .faq-a{max-height:500px}

/* ---------- CTA Strip ---------- */
.cta-strip{
  background:linear-gradient(135deg,var(--accent),var(--accent-dark));
  color:var(--white);padding:56px 0;text-align:center;
}
.cta-strip h2{color:var(--white);margin-bottom:12px}
.cta-strip p{color:rgba(255,255,255,.92);max-width:620px;margin:0 auto 24px;font-size:1.05rem}
.cta-strip .btn--navy{background:var(--white);color:var(--accent)}
.cta-strip .btn--navy:hover{background:var(--navy);color:var(--white)}

/* ---------- Stats Counter ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;padding:48px 0}
.stat{text-align:center}
.stat__number{font-size:clamp(2.2rem,5vw,3.2rem);font-weight:800;color:var(--accent);line-height:1;margin-bottom:6px;display:block}
.stat__label{font-size:clamp(.88rem,1.5vw,1.05rem);color:rgba(255,255,255,.85);font-weight:500}
.section--navy .stat__label{color:rgba(255,255,255,.85)}
@media(max-width:760px){.stats{grid-template-columns:repeat(2,1fr);gap:24px}}
@media(max-width:400px){.stats{grid-template-columns:1fr}}

/* ---------- Breadcrumb ---------- */
.breadcrumb{padding:16px 0;font-size:.88rem;color:var(--text-muted);background:var(--bg)}
.breadcrumb a{color:var(--text-muted)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb span{margin:0 8px;color:#cbd5e1}

/* ---------- Page Hero (inner pages) ---------- */
.page-hero{background:linear-gradient(135deg,var(--navy),var(--navy-dark));color:var(--white);padding:clamp(48px,7vw,80px) 0}
.page-hero h1{color:var(--white);margin-bottom:12px}
.page-hero p{color:#cbd5e1;font-size:1.08rem;max-width:760px;margin:0}

/* ---------- Prose (article content) ---------- */
.prose{max-width:820px;margin:0 auto;font-size:1.02rem;color:var(--text)}
.prose h2{margin-top:2em}
.prose h3{margin-top:1.6em}
.prose ul li{margin-bottom:.5em}
.prose .callout{
  background:var(--bg-alt);border-left:4px solid var(--accent);
  padding:18px 22px;border-radius:var(--radius-sm);margin:24px 0;
}
.prose .callout strong{color:var(--navy)}

/* ---------- Steps ---------- */
.steps{counter-reset:step;display:grid;gap:20px;grid-template-columns:repeat(3,1fr);margin:32px 0}
@media (max-width:760px){.steps{grid-template-columns:1fr}}
.step{
  position:relative;background:var(--white);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px 24px 24px;counter-increment:step;
}
.step::before{
  content:counter(step);position:absolute;top:-18px;left:24px;
  width:40px;height:40px;border-radius:50%;background:var(--accent);color:var(--white);
  display:grid;place-items:center;font-weight:900;font-size:1.15rem;
  box-shadow:var(--shadow);
}
.step h3{margin:8px 0 6px;font-size:1.05rem}
.step p{color:var(--text-muted);margin:0;font-size:.94rem}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-dark);color:#cbd5e1;padding:60px 0 24px}
.site-footer .cols{display:grid;grid-template-columns:1fr 1fr 1.2fr 1fr;gap:32px;margin-bottom:40px;align-items:start}
@media (max-width:900px){.site-footer .cols{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.site-footer .cols{grid-template-columns:1fr}}
.site-footer h4{color:var(--white);font-size:1rem;margin:0 0 16px;text-transform:uppercase;letter-spacing:.06em}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:10px;font-size:.94rem}
.site-footer a{color:#cbd5e1}
.site-footer a:hover{color:var(--white)}
.site-footer .brand{color:var(--white);margin-bottom:12px}
.site-footer .about p{font-size:.94rem;color:#94a3b8;max-width:380px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:24px;text-align:center;font-size:.86rem;color:#94a3b8}

/* ---------- Floating WhatsApp ---------- */
.fab-wa{
  position:fixed;right:22px;bottom:22px;z-index:40;
  width:60px;height:60px;border-radius:50%;
  background:var(--wa);color:var(--white);
  display:grid;place-items:center;font-size:1.8rem;
  box-shadow:0 10px 30px rgba(37,211,102,.45);
  transition:transform var(--transition);
}
.fab-wa:hover{transform:scale(1.08);color:var(--white)}

/* ---------- Contact / Iletisim ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:40px;align-items:start}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr}}
.contact-info{background:var(--navy);color:#cbd5e1;padding:32px;border-radius:var(--radius-lg)}
.contact-info h2{color:var(--white)}
.contact-info .row{display:flex;gap:14px;align-items:flex-start;margin:18px 0}
.contact-info .row .icon{width:42px;height:42px;border-radius:10px;background:rgba(255,255,255,.08);color:var(--accent);display:grid;place-items:center;flex-shrink:0;font-weight:900}
.contact-info .row a{color:var(--white);font-weight:700}
.form-wrap{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-sm)}
.form-wrap iframe{width:100%;min-height:620px;border:0;border-radius:var(--radius)}

/* ---------- Utility ---------- */
.center{text-align:center}
.mt-0{margin-top:0}
.mb-0{margin-bottom:0}
.text-muted{color:var(--text-muted)}
.accent{color:var(--accent)}

/* ---------- Testimonials ---------- */
.testimonials{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testimonial{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:28px 24px;position:relative;transition:transform var(--transition),box-shadow var(--transition)}
.testimonial:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.testimonial__stars{color:#f59e0b;font-size:1rem;letter-spacing:2px;margin-bottom:12px}
.testimonial__text{font-size:.93rem;color:var(--text);line-height:1.7;margin-bottom:18px;font-style:italic}
.testimonial__author{display:flex;align-items:center;gap:12px}
.testimonial__avatar{width:44px;height:44px;border-radius:50%;background:var(--navy);color:var(--white);display:grid;place-items:center;font-weight:700;font-size:1rem;flex-shrink:0}
.testimonial__name{font-weight:700;font-size:.9rem;color:var(--navy)}
.testimonial__role{font-size:.8rem;color:var(--text-muted)}
.testimonial__badge{display:inline-block;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;padding:3px 8px;border-radius:4px;margin-top:4px}
.testimonial__badge--eimza{color:var(--accent);background:rgba(230,57,70,.08)}
.testimonial__badge--kep{color:var(--navy);background:rgba(10,37,64,.08)}
@media(max-width:900px){.testimonials{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.testimonials{grid-template-columns:1fr}}

/* ---------- Footer Quick Links ---------- */
.footer-links{margin-top:20px;display:flex;flex-wrap:wrap;gap:8px}
.footer-links a{display:inline-block;font-size:.78rem;color:rgba(255,255,255,.7);background:rgba(255,255,255,.08);padding:5px 12px;border-radius:20px;transition:background var(--transition),color var(--transition);white-space:nowrap}
.footer-links a:hover{background:var(--accent);color:#fff}

/* ---------- WhatsApp Popup ---------- */
.wa-popup{position:fixed;bottom:90px;right:24px;z-index:999;display:flex;align-items:flex-end;gap:10px;pointer-events:none;opacity:0;transform:translateY(16px);transition:opacity .4s ease,transform .4s ease}
.wa-popup.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.wa-popup__bubble{background:var(--white);color:var(--text);padding:14px 20px;border-radius:16px 16px 4px 16px;box-shadow:0 6px 24px rgba(0,0,0,.15);font-size:.93rem;line-height:1.5;max-width:260px;position:relative}
.wa-popup__bubble strong{display:block;color:var(--navy);margin-bottom:2px;font-size:.95rem}
.wa-popup__close{position:absolute;top:6px;right:10px;background:none;border:none;font-size:1.1rem;color:var(--gray);cursor:pointer;padding:2px;line-height:1}
.wa-popup__close:hover{color:var(--text)}

/* ---------- Bank Account Cards ---------- */
.bank-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px;margin:24px 0}
.bank-card{background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:28px;display:flex;gap:20px;align-items:flex-start;border-top:4px solid var(--navy)}
.bank-card--akbank{border-top-color:#e30613}
.bank-card--teb{border-top-color:#003087}
.bank-card__logo{flex-shrink:0;width:64px;height:64px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:.8rem;color:#fff;text-align:center;line-height:1.1}
.bank-card__logo--akbank{background:#e30613}
.bank-card__logo--teb{background:#003087}
.bank-card__info{flex:1;min-width:0}
.bank-card__name{font-size:1.05rem;font-weight:800;color:var(--navy);margin-bottom:6px}
.bank-card__row{font-size:.88rem;color:var(--gray);margin-bottom:4px}
.bank-card__row strong{color:var(--text)}
.bank-card__iban{font-size:1rem;font-weight:700;color:var(--navy);letter-spacing:.5px;margin-top:10px;padding:10px 14px;background:var(--bg);border-radius:8px;font-family:'Courier New',monospace;word-break:break-all}