/* Sempa Kağıt — site styles. Palette: kağıt beyazı, antrasit, Sempa kırmızısı */
:root{
  --red:#d71920; --red-dark:#b3141a; --ink:#1f2024; --ink-2:#3a3b40; --mute:#6b6c72;
  --paper:#ffffff; --paper-2:#f5f4f1; --line:#e4e2dd;
  --display:"Manrope",system-ui,-apple-system,"Segoe UI",sans-serif;
  --body:"Source Sans 3","Segoe UI",system-ui,sans-serif;
  --wrap:1180px; --r:6px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--body);font-size:17px;line-height:1.6;color:var(--ink);background:var(--paper)}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--display);line-height:1.15;margin:0 0 .4em;text-wrap:balance;letter-spacing:-.01em}
h1{font-size:clamp(30px,4.2vw,50px);font-weight:800}
h2{font-size:clamp(24px,3vw,36px);font-weight:800}
h3{font-size:20px;font-weight:700}
h4{font-size:14px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#bbb}
p{margin:0 0 1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding-left:max(20px,env(safe-area-inset-left));padding-right:max(20px,env(safe-area-inset-right))}
.sec{padding-block:72px}
.sec-head{max-width:720px;margin-bottom:36px}
.eyebrow{font-family:var(--display);font-weight:700;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--red);margin:0 0 10px}
.lead{font-size:20px;color:var(--ink-2);max-width:62ch}
.small{font-size:14px;color:var(--mute)}
.center{text-align:center;margin-top:36px}
.narrow{max-width:760px}

/* buttons */
.btn{display:inline-block;font-family:var(--display);font-weight:700;font-size:15px;letter-spacing:.02em;padding:14px 26px;border-radius:var(--r);border:2px solid transparent;transition:.15s;cursor:pointer;line-height:1.2}
.btn-red{background:var(--red);color:#fff;border-color:var(--red)}
.btn-red:hover{background:var(--red-dark);border-color:var(--red-dark)}
.btn-dark{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-dark:hover{background:#000}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-ghost-dark{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost-dark:hover{background:var(--ink);color:#fff}
.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}

/* header */
.site-head{position:sticky;top:0;z-index:50;background:var(--paper);border-bottom:1px solid var(--line)}
.head-top{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-block:14px}
.brand img{width:min(300px,54vw);height:auto}
.phone{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:800;font-size:clamp(18px,2vw,26px);color:var(--ink);white-space:nowrap}
.phone svg{color:var(--red)}
.menu-btn{display:none;background:none;border:0;padding:8px;cursor:pointer}
.menu-btn span{display:block;width:26px;height:3px;background:var(--ink);margin:5px 0;border-radius:2px;transition:.2s}
nav ul{list-style:none;margin:0;padding:0;display:flex;gap:4px;align-items:center}
nav a{display:block;padding:14px 16px;font-family:var(--display);font-weight:700;font-size:14px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2);border-bottom:3px solid transparent}
nav a:hover,nav a.active{color:var(--red);border-bottom-color:var(--red)}
nav li.cta{margin-left:auto}
nav li.cta a{background:var(--red);color:#fff;border-radius:var(--r);padding:10px 20px;border:0}
nav li.cta a:hover{background:var(--red-dark)}
@media(max-width:860px){
  .menu-btn{display:block}
  .phone span{display:none}
  nav{display:none;padding-bottom:12px}
  nav.open{display:block}
  nav ul{flex-direction:column;align-items:stretch;gap:0}
  nav a{border-bottom:1px solid var(--line);padding:14px 4px}
  nav li.cta{margin:12px 0 0}
  nav li.cta a{text-align:center}
  .menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
  .menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0}
  .menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
}

/* hero */
.hero{position:relative;color:#fff;background:var(--ink);isolation:isolate;min-height:560px;display:flex;align-items:center}
.hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;z-index:-2}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(20,21,24,.86) 0%,rgba(20,21,24,.7) 45%,rgba(20,21,24,.25) 100%)}
.hero-inner{padding-block:80px;max-width:var(--wrap);width:100%}
.hero .eyebrow{color:#ff6b70}
.hero h1{max-width:16ch}
.hero .lead{color:#e6e5e1;max-width:56ch}
@media(max-width:700px){.hero{min-height:0}.hero::after{background:rgba(20,21,24,.78)}}

/* product cards */
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:900px){.pgrid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.pgrid{grid-template-columns:1fr}}
.pcard{display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.2s;min-width:0}
.pcard:hover{box-shadow:0 10px 30px rgba(31,32,36,.12);transform:translateY(-2px);border-color:#d8d6d0}
.pcard img{aspect-ratio:16/9;object-fit:cover;width:100%}
.pcard-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:6px;flex:1}
.pcard h3{margin:0;font-size:19px}
.pcard p{margin:0;color:var(--mute);font-size:15px;flex:1}
.more{font-family:var(--display);font-weight:700;font-size:13px;color:var(--red);margin-top:6px}

/* why */
.band-dark{background:var(--ink);color:#fff}
.band-dark .sec-head h2{color:#fff}
.band-light{background:var(--paper-2)}
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:rgba(255,255,255,.08)}
@media(max-width:900px){.why-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.why-grid{grid-template-columns:1fr}}
.why{background:var(--ink);padding:28px 26px;min-width:0}
.why-k{font-family:var(--display);font-weight:800;font-size:28px;color:var(--red);display:block;margin-bottom:10px;letter-spacing:-.02em}
.why h3{color:#fff;font-size:18px}
.why p{color:#b9b8b3;font-size:15px;margin:0}
.why.light{background:var(--paper);border:1px solid var(--line)}
.why.light h3{color:var(--ink)}
.why.light p{color:var(--mute)}
.band-light .why-grid{background:transparent;gap:14px}

/* services */
.svc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
@media(max-width:700px){.svc-grid{grid-template-columns:1fr}}
.svc{display:grid;grid-template-columns:150px 1fr;gap:18px;align-items:center;border:1px solid var(--line);border-radius:var(--r);padding:14px;min-width:0}
.svc img{aspect-ratio:1;object-fit:cover;border-radius:4px;width:100%}
.svc h3{font-size:18px;margin-bottom:4px}
.svc p{margin:0;color:var(--mute);font-size:15px}
@media(max-width:480px){.svc{grid-template-columns:100px 1fr}}

/* cta band */
.cta-band{background:var(--red);color:#fff}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;padding-block:56px}
.cta-inner h2{color:#fff;margin-bottom:6px}
.cta-inner p{margin:0;color:#ffd9da}
.cta-band .btn-red{background:#fff;color:var(--red);border-color:#fff}
.cta-band .btn-red:hover{background:#ffecec}

/* inner pages */
.page-hero{background:var(--paper-2);border-bottom:1px solid var(--line);padding-block:60px}
.page-hero .lead{margin-bottom:0}
.prod-hero{position:relative;color:#fff;background:var(--ink);isolation:isolate;padding-block:90px 60px}
.prod-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.prod-hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(20,21,24,.35),rgba(20,21,24,.85))}
.prod-hero .lead{color:#e6e5e1;margin:0}
.crumbs{font-size:14px;color:#cfcec9;margin-bottom:14px}
.crumbs a:hover{color:#fff;text-decoration:underline}
.two-col{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,380px);gap:48px;align-items:start}
@media(max-width:820px){.two-col{grid-template-columns:1fr}}
.prose{max-width:70ch;min-width:0}
.prose h2{font-size:24px;margin-top:1.4em}
.fig{margin:0;display:grid;gap:16px}
.fig img{border-radius:var(--r)}
.side{background:var(--paper-2);border-radius:var(--r);padding:26px 28px;position:sticky;top:120px}
.side h3{font-size:16px;letter-spacing:.08em;text-transform:uppercase;color:var(--mute);margin:0 0 10px}
.side h3+p+h3,.side ul+h3{margin-top:24px}
.side ul{list-style:none;margin:0;padding:0}
.side li a{display:block;padding:8px 0;border-bottom:1px solid var(--line);font-weight:600}
.side li a:hover{color:var(--red)}
.big{font-family:var(--display);font-weight:800;font-size:28px;color:var(--ink)}
.tbl{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:16px}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
th{width:34%;font-family:var(--display);font-weight:700;background:var(--paper-2);white-space:nowrap}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:24px;text-align:center}
.stats b{display:block;font-family:var(--display);font-size:56px;font-weight:800;color:var(--red);line-height:1;letter-spacing:-.03em}
.stats span{color:var(--mute)}
.contact h3{font-size:14px;letter-spacing:.1em;text-transform:uppercase;color:var(--mute);margin:26px 0 6px}
.contact h3:first-child{margin-top:0}

/* form */
.form{display:grid;gap:18px;max-width:720px}
.form label{display:grid;gap:6px;font-family:var(--display);font-weight:700;font-size:14px}
.form label span{color:var(--red)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:560px){.row2{grid-template-columns:1fr}}
input,select,textarea{font:inherit;font-family:var(--body);font-size:16px;padding:12px 14px;border:1.5px solid #cfcdc7;border-radius:var(--r);background:#fff;color:var(--ink);width:100%}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 3px rgba(215,25,32,.15)}
textarea{resize:vertical}
.chk{display:flex!important;gap:10px;align-items:flex-start;font-weight:400!important;font-family:var(--body)!important;font-size:15px!important}
.chk input{width:auto;margin-top:4px}
.chk a{text-decoration:underline}
.hp{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}
.form-err{color:var(--red);font-weight:600;margin:0}
input:user-invalid,select:user-invalid{border-color:var(--red)}

/* footer */
.site-foot{background:var(--ink);color:#c9c8c3;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-block:60px 40px}
@media(max-width:900px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.foot-grid{grid-template-columns:1fr}}
.foot-logo{margin-bottom:16px;width:220px}
.site-foot p{font-size:15px}
.site-foot ul{list-style:none;margin:0;padding:0}
.site-foot li{padding:4px 0;font-size:15px}
.site-foot a:hover{color:#fff}
.foot-phone{font-family:var(--display);font-weight:800;font-size:22px;color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding-block:18px;font-size:13px;color:#8d8c87}

@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto}}
:focus-visible{outline:3px solid var(--red);outline-offset:2px}

/* teklif modal */
.tk-overlay{position:fixed;inset:0;background:rgba(31,32,36,.55);display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}
.tk-box{background:var(--paper);border-radius:10px;padding:36px 32px 28px;max-width:440px;width:100%;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.tk-icon{width:64px;height:64px;border-radius:50%;margin:0 auto 16px;display:grid;place-items:center;font-size:32px;font-weight:800;color:#fff}
.tk-icon.ok{background:#1f9d55}.tk-icon.no{background:var(--red)}
.tk-box h3{font-size:22px;margin-bottom:8px}
.tk-box p{color:var(--mute);margin-bottom:22px}