/* ============================================================
   HİZMETSAN — "Altyapı & Yalıtım" hizmet kümesi ortak teması
   ------------------------------------------------------------
   Kullanan sayfalar:
     /drenaj.html                    (küme hub'ı)
     /keson-kuyu.html
     /temel-yalitimi.html
     /adiyaman-drenaj.html
     /adiyaman-keson-kuyu.html
     /adiyaman-temel-yalitimi.html

   Sınıf isimleri css/adiyaman-saglik.css ile birebir aynıdır;
   yalnızca renk paleti farklıdır (ıslak beton / arduvaz + bakır).
   Böylece iki küme arasında blok kopyalamak güvenlidir.
   Yazı tipleri sayfa <head>'inden yüklenir (Fraunces + Archivo).
   ============================================================ */

:root{
    --ink:#131a20; --paper:#eef1f4; --paper-2:#e2e8ed; --paper-card:#f9fbfc;
    --slate:#17394d; --slate-700:#102b3a; --slate-900:#0a1d28; --slate-bright:#2b6b8c;
    --copper:#b4622d; --copper-bright:#d9863f; --muted:#5a6570; --danger:#b3402f;
    --line:rgba(19,26,32,.13); --line-strong:rgba(19,26,32,.26);
    --shadow:0 18px 44px -26px rgba(10,29,40,.5); --radius:6px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Archivo',-apple-system,system-ui,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:'Fraunces',Georgia,serif;font-weight:600;line-height:1.12;letter-spacing:-.012em}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto}
.container{max-width:1180px;margin:0 auto;padding:0 24px}
.eyebrow{font-weight:700;font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--copper);display:inline-flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:28px;height:2px;background:var(--copper)}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(238,241,244,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:70px;gap:16px}
.logo{font-family:'Fraunces',serif;font-weight:700;font-size:1.45rem;color:var(--slate);letter-spacing:.02em}
.header-nav{display:flex;gap:20px;font-size:.9rem;font-weight:600;color:var(--muted)}
.header-nav a:hover{color:var(--slate)}
.header-cta{display:inline-flex;align-items:center;gap:9px;background:var(--slate);color:var(--paper);padding:11px 22px;border-radius:var(--radius);font-weight:700;font-size:.92rem;transition:background .3s;white-space:nowrap}
.header-cta:hover{background:var(--slate-700)}

/* Hero */
.hero{position:relative;background:var(--slate-900);color:var(--paper);padding:84px 0;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(238,241,244,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(238,241,244,.05) 1px,transparent 1px);background-size:44px 44px;-webkit-mask-image:radial-gradient(ellipse 85% 80% at 30% 30%,#000 45%,transparent 100%);mask-image:radial-gradient(ellipse 85% 80% at 30% 30%,#000 45%,transparent 100%)}
.hero::after{content:"";position:absolute;top:-25%;right:-8%;width:620px;height:620px;background:radial-gradient(circle,rgba(180,98,45,.26),transparent 62%);pointer-events:none}
.hero .container{position:relative;z-index:1;max-width:880px}
.hero .eyebrow{color:var(--copper-bright)}
.hero h1{font-size:clamp(2.1rem,4.6vw,3.4rem);margin:18px 0 0}
.hero h1 .accent{color:var(--copper-bright);font-style:italic}
.hero p.lead{color:rgba(238,241,244,.78);font-size:1.12rem;max-width:62ch;margin:20px 0 0}
.hero-meta{display:flex;gap:18px;flex-wrap:wrap;margin-top:22px;font-size:.85rem;color:rgba(238,241,244,.62)}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.hero-meta i{color:var(--copper-bright)}
.hero-cta{display:flex;gap:13px;flex-wrap:wrap;margin-top:30px}

/* Butonlar */
.btn{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:.96rem;padding:15px 28px;border-radius:var(--radius);transition:transform .3s,background .3s,color .3s;border:2px solid transparent}
.btn-amber{background:var(--copper);color:#fff}
.btn-amber:hover{background:var(--copper-bright);transform:translateY(-3px)}
.btn-wa{background:#25d366;color:#fff}
.btn-wa:hover{background:#1ebe5a;transform:translateY(-3px)}
.btn-ghost{background:transparent;color:var(--paper);border-color:rgba(238,241,244,.4)}
.btn-ghost:hover{background:var(--paper);color:var(--slate-900);transform:translateY(-3px)}
.btn-dark{background:var(--slate-900);color:var(--paper)}
.btn-dark:hover{background:var(--slate-700);transform:translateY(-3px)}

/* Breadcrumb */
.crumb{background:var(--paper-2);border-bottom:1px solid var(--line);font-size:.85rem}
.crumb .container{padding-top:13px;padding-bottom:13px}
.crumb a{color:var(--muted);font-weight:600}
.crumb a:hover{color:var(--slate)}
.crumb span{color:var(--ink)}

/* Bölümler */
section.block{padding:70px 0}
section.block.alt{background:var(--paper-2)}
.sec-head{max-width:780px;margin:0 auto 44px;text-align:center}
.sec-head h2{font-size:clamp(1.7rem,3.4vw,2.5rem);margin-top:14px}
.sec-head p{color:var(--muted);margin-top:14px}
.prose{max-width:780px;margin:0 auto}
.prose h2{font-size:clamp(1.7rem,3.4vw,2.4rem);margin:14px 0 18px}
.prose h3{font-size:1.3rem;margin:30px 0 12px}
.prose p{margin-bottom:16px;color:#39424b}
.prose ul,.prose ol{margin:0 0 18px 22px;color:#39424b}
.prose li{margin-bottom:9px}
.prose a{color:var(--slate);font-weight:600;border-bottom:1px solid rgba(23,57,77,.3)}
.prose a:hover{color:var(--copper)}
.prose blockquote{margin:22px 0;padding:16px 22px;border-left:4px solid var(--copper);background:var(--paper-card);font-style:italic;color:#39424b}

/* Kart ızgarası */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.card{background:var(--paper-card);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;border-top:4px solid var(--copper);transition:transform .35s,box-shadow .35s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.card .ico{width:52px;height:52px;display:grid;place-items:center;background:var(--slate);color:var(--copper-bright);border-radius:var(--radius);font-size:1.3rem;margin-bottom:18px}
.card h3{font-size:1.24rem}
.card p{color:var(--muted);font-size:.94rem;margin-top:10px}
.card .tag{display:inline-block;margin-top:14px;font-size:.74rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--slate);background:rgba(43,107,140,.12);padding:5px 11px;border-radius:50px}

/* Tablo */
.tbl-wrap{max-width:1000px;margin:0 auto;background:var(--paper-card);border:1px solid var(--line);border-radius:var(--radius);overflow-x:auto;box-shadow:var(--shadow)}
table.data{width:100%;border-collapse:collapse;min-width:680px}
table.data th,table.data td{padding:15px 20px;text-align:left;border-bottom:1px solid var(--line);font-size:.93rem;vertical-align:top}
table.data th{background:var(--slate);color:var(--paper);font-family:'Archivo';font-weight:700;font-size:.8rem;letter-spacing:.05em;text-transform:uppercase;white-space:nowrap}
table.data tr:last-child td{border-bottom:none}
table.data tr:nth-child(even) td{background:rgba(23,57,77,.03)}
table.data td strong{color:var(--slate)}
.badge{display:inline-block;font-size:.72rem;font-weight:700;padding:3px 9px;border-radius:50px;letter-spacing:.04em}
.badge.v{background:rgba(179,64,47,.12);color:var(--danger)}
.badge.b{background:rgba(23,57,77,.12);color:var(--slate)}
.badge.p{background:rgba(180,98,45,.16);color:#8a4718}

/* Not kutuları */
.note{max-width:820px;margin:22px auto 0;background:linear-gradient(180deg,#fbeeea,var(--paper-card));border:1px solid var(--line);border-left:5px solid var(--danger);border-radius:var(--radius);padding:18px 22px;font-size:.95rem}
.note strong{color:var(--danger)}
.note.calm{background:linear-gradient(180deg,#e9f0f4,var(--paper-card));border-left-color:var(--slate-bright)}
.note.calm strong{color:var(--slate)}
.note.warn{background:linear-gradient(180deg,#fdf2e8,var(--paper-card));border-left-color:var(--copper)}
.note.warn strong{color:#8a4718}

/* Numaralı adımlar */
.steps{max-width:840px;margin:0 auto}
.step{display:flex;gap:20px;padding:22px 0;border-bottom:1px solid var(--line)}
.step:last-child{border-bottom:none}
.step .n{flex:0 0 44px;height:44px;border-radius:50%;background:var(--slate);color:var(--copper-bright);display:grid;place-items:center;font-family:'Fraunces',serif;font-weight:700;font-size:1.1rem}
.step h3{font-size:1.15rem;margin-bottom:6px}
.step p{color:var(--muted);font-size:.95rem}

/* Katman diyagramı (yalıtım/drenaj kesiti) */
.layers{max-width:760px;margin:0 auto;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--paper-card)}
.layer{display:flex;align-items:flex-start;gap:16px;padding:16px 20px;border-bottom:1px solid var(--line)}
.layer:last-child{border-bottom:none}
.layer .lidx{flex:0 0 34px;height:34px;border-radius:var(--radius);background:var(--slate);color:var(--copper-bright);display:grid;place-items:center;font-weight:700;font-size:.9rem;font-family:'Archivo'}
.layer h4{font-size:1.02rem;margin-bottom:3px}
.layer p{color:var(--muted);font-size:.9rem}

/* Uyarı işaretleri */
.signs{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;max-width:1000px;margin:0 auto}
.sign{background:var(--paper-card);border:1px solid var(--line);border-left:4px solid var(--danger);border-radius:var(--radius);padding:18px 20px}
.sign h4{font-size:1.02rem;margin-bottom:5px}
.sign p{color:var(--muted);font-size:.88rem}

/* SSS */
.faq{max-width:840px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;background:none;border:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:22px 0;text-align:left;font-family:'Archivo';font-weight:600;font-size:1.04rem;color:var(--ink)}
.faq-q:hover{color:var(--slate)}
.faq-q i{color:var(--copper);transition:transform .35s}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-a p{padding:0 0 22px;color:var(--muted);font-size:.95rem}

/* CTA */
.cta{background:var(--copper);color:#fff;padding:64px 0;text-align:center}
.cta h2{font-size:clamp(1.6rem,3.2vw,2.4rem)}
.cta p{font-weight:600;margin:10px 0 26px;opacity:.9}
.cta .btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* İç bağlantı ızgarası */
.links-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:13px;max-width:1040px;margin:0 auto}
.link-card{background:var(--paper-card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 20px;font-weight:600;display:flex;align-items:center;gap:10px;transition:transform .25s,border-color .25s,background .25s;font-size:.95rem}
.link-card i{color:var(--copper);flex:0 0 18px}
.link-card:hover{transform:translateY(-3px);background:var(--slate);color:var(--paper);border-color:var(--slate)}
.link-card:hover i{color:var(--copper-bright)}

/* Footer + WhatsApp */
footer.site{background:var(--slate-900);color:rgba(238,241,244,.72);padding:50px 0 28px;text-align:center}
footer.site .logo{color:var(--paper);font-size:1.5rem;display:block;margin-bottom:12px}
footer.site a{color:rgba(238,241,244,.82)}
footer.site .fbot{margin-top:18px;padding-top:18px;border-top:1px solid rgba(238,241,244,.12);font-size:.84rem;opacity:.7}
.wa-float{position:fixed;bottom:24px;right:24px;width:58px;height:58px;border-radius:50%;background:#25d366;color:#fff;display:grid;place-items:center;font-size:1.6rem;z-index:90;box-shadow:0 12px 26px -8px rgba(37,211,102,.6)}

@media(max-width:860px){
    .header-nav{display:none}
}
@media(max-width:640px){
    section.block{padding:54px 0}
    .hero{padding:64px 0}
    .step{gap:14px}
}
@media(prefers-reduced-motion:reduce){*{transition-duration:.001ms!important}}
