/* =========================================================
   Multi Portal — Kurumsal E-Dönüşüm Sitesi
   Tasarım sistemi (statik HTML)  ·  Marka: yeşil
   ========================================================= */

/* ---------- Reset & Base ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --green-900:#0b3d1f;
  --green-800:#0f5c2e;
  --green-700:#15803d;
  --green-600:#16a34a;   /* primary */
  --green-500:#22c55e;
  --green-400:#4ade80;
  --lime:#7ac943;
  --green-50:#f0fdf4;
  --green-100:#dcfce7;

  --ink:#0f172a;
  --body:#374151;
  --muted:#6b7280;
  --line:#e5e7eb;
  --bg:#ffffff;
  --bg-soft:#f8fafc;
  --bg-green:#f0fdf4;

  --whatsapp:#25d366;

  --radius:14px;
  --radius-sm:10px;
  --radius-lg:22px;
  --shadow-sm:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.08);
  --shadow:0 4px 14px rgba(16,24,40,.08);
  --shadow-lg:0 18px 40px -12px rgba(16,24,40,.18);
  --shadow-green:0 14px 34px -10px rgba(22,163,74,.45);

  --maxw:1180px;
  --grad:linear-gradient(135deg,#15803d 0%,#16a34a 45%,#6cbf3f 100%);
  --grad-soft:linear-gradient(135deg,#f0fdf4 0%,#dcfce7 100%);
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Apple Color Emoji","Segoe UI Emoji",sans-serif;
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  color:var(--body);
  background:var(--bg);
  line-height:1.7;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--green-700);text-decoration:none;transition:color .15s}
a:hover{color:var(--green-600)}
h1,h2,h3,h4{color:var(--ink);line-height:1.25;font-weight:800;letter-spacing:-.02em}
h1{font-size:clamp(2rem,4.5vw,3.15rem)}
h2{font-size:clamp(1.6rem,3.2vw,2.3rem)}
h3{font-size:1.28rem;font-weight:700}
ul,ol{padding-left:1.2em}
strong{color:var(--ink);font-weight:700}

.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.section{padding:76px 0}
.section-sm{padding:52px 0}
.bg-soft{background:var(--bg-soft)}
.bg-green{background:var(--bg-green)}
.center{text-align:center}
.narrow{max-width:760px;margin-left:auto;margin-right:auto}

.eyebrow{
  display:inline-block;font-weight:700;font-size:.82rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--green-700);
  background:var(--green-100);padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.section .lead{font-size:1.12rem;color:var(--muted);max-width:680px}
.section.center .lead{margin-left:auto;margin-right:auto}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:inherit;font-weight:700;font-size:1rem;line-height:1;
  padding:15px 26px;border-radius:999px;border:2px solid transparent;
  cursor:pointer;transition:transform .12s,box-shadow .2s,background .2s,color .2s;
  text-align:center;white-space:nowrap;
}
.btn svg{width:19px;height:19px;flex:none}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--shadow-green)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 40px -8px rgba(22,163,74,.55)}
.btn-outline{background:#fff;color:var(--green-700);border-color:var(--green-200,#bbf7d0)}
.btn-outline:hover{background:var(--green-50);color:var(--green-800);transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff}
.btn-wa{background:var(--whatsapp);color:#fff}
.btn-wa:hover{background:#1ebe5a;color:#fff;transform:translateY(-2px)}
.btn-lg{padding:17px 34px;font-size:1.06rem}
.btn-block{display:flex;width:100%}
.btn-row{display:flex;gap:14px;flex-wrap:wrap}
.section.center .btn-row{justify-content:center}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:20px;height:74px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--ink);font-size:1.28rem;letter-spacing:-.02em}
.brand img{width:40px;height:40px}
.brand span b{color:var(--green-600)}
.brand small{display:block;font-size:.62rem;font-weight:600;color:var(--muted);letter-spacing:.06em;text-transform:uppercase;margin-top:1px}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-menu a{color:#334155;font-weight:600;font-size:.98rem;padding:9px 13px;border-radius:9px}
.nav-menu a:hover{color:var(--green-700);background:var(--green-50)}
.nav-menu a.active{color:var(--green-700)}
.nav-cta{display:flex;align-items:center;gap:10px;margin-left:8px}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px;margin-left:auto}
.nav-toggle span{display:block;width:26px;height:3px;background:var(--ink);border-radius:3px;transition:.25s}
.nav-toggle span+span{margin-top:5px}

@media(max-width:980px){
  .nav-menu,.nav-cta{
    position:fixed;top:74px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:#fff;border-bottom:1px solid var(--line);padding:14px 22px;gap:6px;
    transform:translateY(-140%);opacity:0;pointer-events:none;transition:.28s;box-shadow:var(--shadow-lg);margin:0;
  }
  .nav-cta{top:74px;box-shadow:none;border:0;transform:translateY(-140%)}
  .nav-menu a{padding:12px 10px;font-size:1.05rem;border-bottom:1px solid var(--line)}
  .nav-menu a:last-child{border-bottom:0}
  .nav-open .nav-menu{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-open .nav-cta{transform:translateY(0);opacity:1;pointer-events:auto;padding-top:0}
  .nav-cta .btn{width:100%}
  .nav-toggle{display:block}
  .nav-open .nav-toggle span:nth-child(1){transform:translateY(8px) rotate(45deg)}
  .nav-open .nav-toggle span:nth-child(2){opacity:0}
  .nav-open .nav-toggle span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--grad-soft);overflow:hidden;padding:82px 0 92px}
.hero::before{content:"";position:absolute;top:-140px;right:-120px;width:460px;height:460px;
  background:radial-gradient(circle,rgba(34,197,94,.18),transparent 70%);border-radius:50%}
.hero::after{content:"";position:absolute;bottom:-160px;left:-120px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(124,201,66,.16),transparent 70%);border-radius:50%}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative;z-index:2}
.hero h1{margin-bottom:20px}
.hero h1 .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero p.sub{font-size:1.18rem;color:#3f5344;margin-bottom:30px;max-width:560px}
.hero .btn-row{margin-bottom:26px}
.trust{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:.93rem;color:#3f5f49;font-weight:600}
.trust span{display:inline-flex;align-items:center;gap:7px}
.trust svg{width:18px;height:18px;color:var(--green-600)}

/* hero visual card */
.hero-card{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:26px;position:relative}
.hero-card .hc-top{display:flex;align-items:center;gap:12px;padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:18px}
.hero-card .hc-logo{width:46px;height:46px}
.hero-card .hc-top b{font-size:1.06rem;color:var(--ink)}
.hero-card .hc-top small{color:var(--muted);font-size:.8rem}
.hc-row{display:flex;align-items:center;gap:13px;padding:12px 0}
.hc-row .ic{width:42px;height:42px;border-radius:11px;background:var(--green-50);display:flex;align-items:center;justify-content:center;flex:none}
.hc-row .ic svg{width:22px;height:22px;color:var(--green-600)}
.hc-row .tx b{display:block;color:var(--ink);font-size:.98rem}
.hc-row .tx small{color:var(--muted);font-size:.85rem}
.hc-row .tick{margin-left:auto;color:var(--green-500)}
.hc-row .tick svg{width:22px;height:22px}

/* ---------- Feature / Service cards ---------- */
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;
  transition:transform .18s,box-shadow .2s,border-color .2s;height:100%}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--green-100)}
.card .ic{width:54px;height:54px;border-radius:13px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;box-shadow:var(--shadow-green)}
.card .ic svg{width:28px;height:28px;color:#fff}
.card h3{margin-bottom:9px}
.card p{color:var(--muted);font-size:.98rem}
.card .more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-weight:700;font-size:.94rem}
.card .more svg{width:16px;height:16px;transition:transform .15s}
.card:hover .more svg{transform:translateX(3px)}

/* icon tint variants */
.ic.blue{background:linear-gradient(135deg,#2563eb,#60a5fa);box-shadow:0 14px 34px -10px rgba(37,99,235,.45)}
.ic.amber{background:linear-gradient(135deg,#d97706,#fbbf24);box-shadow:0 14px 34px -10px rgba(217,119,6,.45)}
.ic.violet{background:linear-gradient(135deg,#7c3aed,#a78bfa);box-shadow:0 14px 34px -10px rgba(124,58,237,.4)}
.ic.teal{background:linear-gradient(135deg,#0d9488,#2dd4bf);box-shadow:0 14px 34px -10px rgba(13,148,136,.4)}
.ic.rose{background:linear-gradient(135deg,#e11d48,#fb7185);box-shadow:0 14px 34px -10px rgba(225,29,72,.4)}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px}
.step .num{width:44px;height:44px;border-radius:12px;background:var(--grad);color:#fff;font-weight:800;
  font-size:1.2rem;display:flex;align-items:center;justify-content:center;margin-bottom:16px;box-shadow:var(--shadow-green)}
.step h3{font-size:1.1rem;margin-bottom:8px}
.step p{color:var(--muted);font-size:.94rem}

/* ---------- Packages / pricing ---------- */
.pkg-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.pkg{background:#fff;border:1.5px solid var(--line);border-radius:var(--radius);padding:26px 24px;
  display:flex;flex-direction:column;transition:transform .18s,box-shadow .2s,border-color .2s;position:relative}
.pkg:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--green-400)}
.pkg.pop{border-color:var(--green-500);box-shadow:var(--shadow-green)}
.pkg .badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;
  font-size:.74rem;font-weight:700;padding:5px 14px;border-radius:999px;letter-spacing:.03em;white-space:nowrap}
.pkg .qty{font-size:.9rem;font-weight:700;color:var(--green-700);text-transform:uppercase;letter-spacing:.04em}
.pkg h3{font-size:1.15rem;margin:6px 0 4px}
.pkg .price{font-size:2rem;font-weight:800;color:var(--ink);margin:12px 0 2px;letter-spacing:-.02em}
.pkg .price small{font-size:.95rem;font-weight:600;color:var(--muted)}
.pkg .note{font-size:.86rem;color:var(--muted);margin-bottom:16px;min-height:1.2em}
.pkg ul{list-style:none;padding:0;margin:0 0 20px;font-size:.92rem}
.pkg ul li{display:flex;gap:8px;padding:5px 0;color:var(--body)}
.pkg ul li svg{width:17px;height:17px;color:var(--green-500);flex:none;margin-top:4px}
.pkg .btn{margin-top:auto}

/* ---------- CTA band ---------- */
.cta-band{background:var(--grad);color:#fff;border-radius:var(--radius-lg);padding:50px 44px;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;top:-80px;right:-60px;width:300px;height:300px;background:rgba(255,255,255,.1);border-radius:50%}
.cta-band h2{color:#fff;position:relative;z-index:2}
.cta-band p{color:rgba(255,255,255,.92);position:relative;z-index:2;margin:12px 0 26px;max-width:620px;font-size:1.08rem}
.cta-band .btn-row{position:relative;z-index:2}
.cta-flex{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-flex .btn-row{margin:0}

/* ---------- Contact / forms ---------- */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow)}
.field{margin-bottom:18px}
.field label{display:block;font-weight:600;font-size:.93rem;color:var(--ink);margin-bottom:7px}
.field label .req{color:#e11d48}
.field input,.field select,.field textarea{
  width:100%;font-family:inherit;font-size:1rem;color:var(--ink);
  padding:13px 15px;border:1.5px solid var(--line);border-radius:var(--radius-sm);background:#fff;transition:border .15s,box-shadow .15s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:0;border-color:var(--green-500);box-shadow:0 0 0 4px rgba(34,197,94,.14)}
.field textarea{min-height:130px;resize:vertical}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-note{font-size:.85rem;color:var(--muted);margin-top:10px}

.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:start}
.contact-info .ci{display:flex;gap:15px;padding:16px 0;border-bottom:1px solid var(--line)}
.contact-info .ci:last-child{border-bottom:0}
.contact-info .ci .ic{width:46px;height:46px;border-radius:12px;background:var(--green-50);display:flex;align-items:center;justify-content:center;flex:none}
.contact-info .ci .ic svg{width:22px;height:22px;color:var(--green-600)}
.contact-info .ci b{display:block;color:var(--ink);font-size:1.02rem}
.contact-info .ci a,.contact-info .ci span{color:var(--muted);font-size:.97rem}
.contact-info .ci a:hover{color:var(--green-600)}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:12px;overflow:hidden}
.faq-q{width:100%;text-align:left;background:none;border:0;cursor:pointer;font-family:inherit;
  font-size:1.05rem;font-weight:700;color:var(--ink);padding:19px 22px;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-q .chev{flex:none;width:22px;height:22px;color:var(--green-600);transition:transform .25s}
.faq-item.open .faq-q .chev{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 22px 20px;color:var(--muted);margin:0}
.faq-item.open .faq-a{max-height:600px}

/* ---------- Blog ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .18s,box-shadow .2s;height:100%}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.post-card .thumb{aspect-ratio:1200/630;background:var(--grad-soft);overflow:hidden}
.post-card .thumb img{width:100%;height:100%;object-fit:cover}
.post-card .pc-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.post-card .tag{font-size:.76rem;font-weight:700;color:var(--green-700);text-transform:uppercase;letter-spacing:.05em;margin-bottom:9px}
.post-card h3{font-size:1.14rem;margin-bottom:9px;line-height:1.35}
.post-card h3 a{color:var(--ink)}
.post-card h3 a:hover{color:var(--green-600)}
.post-card p{color:var(--muted);font-size:.94rem;flex:1}
.post-card .more{margin-top:14px;font-weight:700;font-size:.92rem;display:inline-flex;align-items:center;gap:6px}
.post-card .more svg{width:15px;height:15px}

/* ---------- Article (prose) ---------- */
.article-head{background:var(--grad-soft);padding:46px 0 40px;position:relative;overflow:hidden}
.breadcrumb{font-size:.86rem;color:var(--muted);margin-bottom:16px}
.breadcrumb a{color:var(--green-700)}
.breadcrumb span{margin:0 7px;color:#cbd5e1}
.article-head h1{max-width:900px;margin-bottom:14px}
.article-head .meta{font-size:.92rem;color:#3f5f49;font-weight:600;display:flex;gap:16px;flex-wrap:wrap}
.article-cover{margin:-30px auto 0;max-width:900px;position:relative;z-index:3}
.article-cover img{border-radius:var(--radius);box-shadow:var(--shadow-lg);width:100%}
.prose{max-width:820px;margin:0 auto;padding:44px 0 20px;font-size:1.06rem}
.prose h2{margin:38px 0 14px;font-size:1.65rem}
.prose h3{margin:26px 0 10px;font-size:1.24rem;color:var(--green-800)}
.prose p{margin-bottom:16px}
.prose ul,.prose ol{margin:0 0 18px;padding-left:1.3em}
.prose li{margin-bottom:9px}
.prose img{border-radius:var(--radius);box-shadow:var(--shadow);margin:26px auto;border:1px solid var(--line)}
.prose a{font-weight:600;text-decoration:underline;text-decoration-color:var(--green-200,#bbf7d0);text-underline-offset:3px}
.prose a:hover{text-decoration-color:var(--green-500)}
.prose-cta{background:var(--green-50);border:1px solid var(--green-100);border-left:4px solid var(--green-500);
  border-radius:var(--radius-sm);padding:20px 24px;margin:32px 0;font-size:1.02rem}
.prose-cta strong{color:var(--green-800)}
.sources{background:var(--bg-soft);border-radius:var(--radius-sm);padding:20px 24px;margin-top:20px;font-size:.96rem}
.sources h3{margin-bottom:10px;font-size:1.1rem}

.related{border-top:1px solid var(--line);padding-top:34px;margin-top:10px}
.related h2{font-size:1.5rem;margin-bottom:22px}

/* ---------- Footer ---------- */
.site-footer{background:#0b2016;color:#c7d6cc;padding:60px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .fb-top{display:flex;align-items:center;gap:11px;margin-bottom:14px}
.footer-brand img{width:42px;height:42px;background:#fff;border-radius:10px;padding:4px}
.footer-brand .fb-top b{color:#fff;font-size:1.24rem;font-weight:800}
.footer-brand p{color:#9fb3a6;font-size:.95rem;max-width:320px}
.footer-col h4{color:#fff;font-size:1rem;margin-bottom:16px;font-weight:700}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:10px}
.footer-col a{color:#a8bcb0;font-size:.95rem}
.footer-col a:hover{color:var(--green-400)}
.footer-contact li{display:flex;gap:10px;margin-bottom:13px;font-size:.95rem;color:#a8bcb0}
.footer-contact svg{width:18px;height:18px;color:var(--green-400);flex:none;margin-top:3px}
.footer-contact a{color:#a8bcb0}
.footer-contact a:hover{color:var(--green-400)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding-top:22px;font-size:.87rem;color:#7f958a}
.footer-social{display:flex;gap:12px}
.footer-social a{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;color:#c7d6cc}
.footer-social a:hover{background:var(--green-600);color:#fff}
.footer-social svg{width:19px;height:19px}

/* ---------- Floating WhatsApp ---------- */
.wa-float{position:fixed;right:20px;bottom:20px;z-index:80;width:58px;height:58px;border-radius:50%;
  background:var(--whatsapp);color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 30px rgba(37,211,102,.5);transition:transform .18s}
.wa-float:hover{transform:scale(1.08);color:#fff}
.wa-float svg{width:30px;height:30px}

/* ---------- Misc ---------- */
.callout{background:var(--green-50);border:1px solid var(--green-100);border-radius:var(--radius);padding:26px 28px}
.checklist{list-style:none;padding:0;margin:0}
.checklist li{display:flex;gap:11px;padding:9px 0;align-items:flex-start}
.checklist li svg{width:22px;height:22px;color:var(--green-500);flex:none;margin-top:3px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.stat-row{display:flex;gap:38px;flex-wrap:wrap;margin-top:8px}
.stat b{display:block;font-size:2rem;font-weight:800;color:var(--green-600);letter-spacing:-.02em}
.stat span{font-size:.9rem;color:var(--muted)}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{order:-1}
  .grid-4,.pkg-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .contact-grid,.split{grid-template-columns:1fr;gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media(max-width:640px){
  body{font-size:16px}
  .section{padding:52px 0}
  .grid-2,.grid-3,.grid-4,.pkg-grid,.post-grid,.steps{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .cta-band{padding:36px 26px}
  .cta-flex{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr}
  .btn-row .btn{width:100%}
  .hero .btn-row .btn{width:100%}
}