/* C1Soft Stok Yönetim tanıtım sitesi — marka: kömür #282D39, pembe #EE3468 (C1Soft logosu) */
:root{--k:#282D39;--p:#EE3468;--p2:#d62a5b;--bg:#fff;--hafif:#f5f6f9;--cizgi:#e3e6ed;--soluk:#5d6577;--yesil:#16a34a}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{margin:0;color:var(--k);background:var(--bg);font:16px/1.6 "Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif}
img{max-width:100%;height:auto}
a{color:inherit}
.kap{max-width:1140px;margin:0 auto;padding:0 20px}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em;margin:0}
h2{font-size:clamp(26px,4vw,38px);margin-bottom:12px}
.alt{color:var(--soluk);max-width:640px;margin:0 0 36px;font-size:18px}
.etiket{display:inline-block;font-size:13px;font-weight:700;color:var(--p2);background:#fde9ef;border-radius:999px;padding:4px 12px;margin-bottom:14px}

/* üst menü */
.ust{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--cizgi)}
.ust-ic{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;font-size:19px;letter-spacing:-.02em;line-height:1.15}
.logo img{width:34px;height:34px}
.logo small{display:block;font-weight:600;font-size:12px;color:var(--soluk);letter-spacing:0}
.nav{display:flex;align-items:center;gap:4px}
.nav a{text-decoration:none;padding:8px 12px;border-radius:8px;font-size:15px;font-weight:600;color:var(--soluk)}
.nav a:hover{background:var(--hafif);color:var(--k)}
.nav a.btn{color:#fff;margin-left:6px}
.nav a.btn:hover{background:var(--p2);color:#fff}
.menu-dugme{display:none;border:1px solid var(--cizgi);background:#fff;border-radius:8px;padding:6px 12px;font-size:18px;cursor:pointer;min-height:44px}
@media(max-width:860px){.menu-dugme{display:block}
 .nav{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;background:#fff;border-bottom:1px solid var(--cizgi);padding:10px 16px}
 .nav.acik{display:flex}.nav a{padding:12px}.nav a.btn{margin:6px 0 0;text-align:center}}

/* butonlar */
.btn{display:inline-block;text-decoration:none;background:var(--p);color:#fff;padding:12px 22px;border-radius:10px;font-weight:700;border:1px solid var(--p);font-size:15px;cursor:pointer;font-family:inherit;min-height:44px}
.btn:hover{background:var(--p2)}
.btn-cizgi{background:transparent;color:var(--k);border-color:var(--k)}
.btn-cizgi:hover{background:var(--k);color:#fff}

/* hero */
.hero{background:linear-gradient(160deg,#f5f6f9 0%,#fff 60%);overflow:hidden}
.hero-ic{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center;padding-top:64px;padding-bottom:64px}
.hero h1{font-size:clamp(32px,5.4vw,56px);margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--p)}
.hero p.alt{margin-bottom:26px}
.hero-btn{display:flex;gap:12px;flex-wrap:wrap}
.hero-not{margin-top:14px;font-size:14px;color:var(--soluk)}
.hero-telefonlar{position:relative;height:520px}
.hero-telefonlar .telefon{position:absolute}
.hero-telefonlar .t1{left:6%;top:30px;transform:rotate(-5deg);width:230px}
.hero-telefonlar .t2{right:4%;top:0;transform:rotate(4deg);width:230px;z-index:2}
@media(max-width:860px){.hero-ic{grid-template-columns:1fr;padding-top:40px}.hero-telefonlar{height:440px}
 .hero-telefonlar .t1{left:6%;width:190px}.hero-telefonlar .t2{right:6%;width:190px}}

/* telefon çerçevesi */
.telefon{background:#14161c;border-radius:30px;padding:8px;box-shadow:0 24px 50px -18px rgba(40,45,57,.45),0 4px 10px rgba(40,45,57,.12)}
.telefon img{display:block;width:100%;border-radius:23px}

/* bölümler */
.bolum{padding:72px 0}
.gri{background:var(--hafif)}
.izgara3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.izgara2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
@media(max-width:860px){.izgara3,.izgara2{grid-template-columns:1fr}}
.kart{background:#fff;border:1px solid var(--cizgi);border-radius:16px;padding:24px}
.gri .kart{border-color:transparent}
.ikon{width:46px;height:46px;border-radius:12px;background:#fde9ef;color:var(--p);display:grid;place-items:center;margin-bottom:14px}
.ikon svg{width:24px;height:24px}
.kart h3{font-size:18px;margin-bottom:6px}
.kart p{margin:0;color:var(--soluk);font-size:15.5px}

/* nasıl çalışır */
.adimlar{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:a}
@media(max-width:860px){.adimlar{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.adimlar{grid-template-columns:1fr}}
.adim{counter-increment:a}
.adim::before{content:counter(a);display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--k);color:#fff;font-weight:800;margin-bottom:12px}
.adim h3{font-size:17px;margin-bottom:4px}
.adim p{margin:0;color:var(--soluk);font-size:15px}

/* ekranlar */
.ekranlar{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
@media(max-width:960px){.ekranlar{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.ekranlar{grid-template-columns:1fr;justify-items:center}.ekranlar figure{max-width:260px}}
.ekranlar figure{margin:0;text-align:center}
.ekranlar figcaption{margin-top:14px;font-weight:700}
.ekranlar figcaption span{display:block;font-weight:400;color:var(--soluk);font-size:14.5px}

/* fiyatlar */
.paketler{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
@media(max-width:960px){.paketler{grid-template-columns:1fr}}
.paket{position:relative;background:#fff;border:1px solid var(--cizgi);border-radius:18px;padding:28px 24px;display:flex;flex-direction:column}
.paket.one{border:2px solid var(--p);box-shadow:0 18px 40px -22px rgba(238,52,104,.5)}
.oneri{position:absolute;top:-13px;left:24px;background:var(--p);color:#fff;font-size:12.5px;font-weight:700;padding:3px 12px;border-radius:999px}
.paket h3{font-size:22px}
.paket .kime{color:var(--soluk);font-size:15px;margin:6px 0 16px;min-height:46px}
.fiyat{font-size:44px;font-weight:800;letter-spacing:-.03em;line-height:1.1}
.fiyat small{font-size:16px;font-weight:600;color:var(--soluk);letter-spacing:0}
.fiyat.ozel{font-size:28px;padding:9px 0}
.paket .not{margin:4px 0 0;font-size:14px;color:var(--soluk)}
.paket ul{list-style:none;padding:0;margin:20px 0 22px;display:grid;gap:9px;font-size:15px}
.paket li{padding-left:26px;position:relative}
.paket li::before{content:"";position:absolute;left:0;top:6px;width:16px;height:16px;border-radius:50%;background:var(--yesil) url("data:image/svg+xml,%3Csvg xmlns=%27http://www.w3.org/2000/svg%27 viewBox=%270 0 16 16%27%3E%3Cpath d=%27M4.2 8.3l2.5 2.5 5-5.2%27 fill=%27none%27 stroke=%27%23fff%27 stroke-width=%271.8%27 stroke-linecap=%27round%27 stroke-linejoin=%27round%27/%3E%3C/svg%3E") center/16px no-repeat}
.paket li.ek{font-weight:700}
.paket .btn{text-align:center;margin-top:auto}
.ek-kullanici{margin-top:22px;background:#fff;border:1px dashed var(--cizgi);border-radius:14px;padding:16px 20px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;align-items:center}
.ek-kullanici b{font-size:18px}
.fiyat-not{font-size:14px;color:var(--soluk);margin-top:14px}

/* sss */
details{border:1px solid var(--cizgi);border-radius:12px;padding:14px 18px;background:#fff;margin-bottom:10px}
summary{cursor:pointer;font-weight:700}
details p{margin:10px 0 0;color:var(--soluk)}
.sss{max-width:780px}

/* iletişim */
.iletisim{display:grid;grid-template-columns:1fr 1.1fr;gap:36px;align-items:start}
@media(max-width:860px){.iletisim{grid-template-columns:1fr}}
.kisi{background:var(--k);color:#fff;border-radius:18px;padding:28px}
.kisi h3{font-size:22px;margin-bottom:6px}
.kisi p{margin:6px 0;color:#cfd4df}
.kisi a{color:#fff;font-weight:700}
.kisi a.tel{font-size:26px;font-weight:800;text-decoration:none;display:block;margin:12px 0 2px}
form.talep{background:#fff;border:1px solid var(--cizgi);border-radius:18px;padding:24px;display:grid;gap:14px;position:relative}
form.talep .iki{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:520px){form.talep .iki{grid-template-columns:1fr}}
label{display:grid;gap:4px;font-weight:600;font-size:14px}
input,select,textarea{font:inherit;font-size:16px;padding:11px 12px;border:1px solid var(--cizgi);border-radius:10px;background:#fff;color:var(--k);width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid var(--p);outline-offset:1px;border-color:var(--p)}
.bal{position:absolute;left:-9999px;opacity:0}
.mesaj{padding:12px 14px;border-radius:10px;font-size:15px;display:none}
.mesaj.ok{display:block;background:#e8f7ee;color:#0e6a31}
.mesaj.hata{display:block;background:#fdecef;color:#a3173f}

/* alt */
.alt-bilgi{background:var(--k);color:#cfd4df;padding:36px 0;font-size:14.5px}
.alt-bilgi .kap{display:flex;gap:24px;justify-content:space-between;flex-wrap:wrap;align-items:center}
.alt-bilgi a{color:#fff}
.alt-bilgi img{height:26px;filter:brightness(0) invert(1);opacity:.9}