:root{
    --navy:#07111d;
    --navy2:#0d2034;
    --ink:#0d1d2e;
    --muted:#6c7e8d;
    --teal:#19d3c5;
    --line:#dce5ec;
    --bg:#f5f8fa
}

*{
    box-sizing:border-box
}

html{
    scroll-behavior:smooth
}

body{
    margin:0;
    font-family:Inter,Arial,sans-serif;
    color:var(--ink);
    background:#fff
}

a{
    text-decoration:none;
    color:inherit
}


/* =========================================================
   ÜST MENÜ
========================================================= */

.top{
    height:78px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:0 4.5vw;
    border-bottom:1px solid #e8eef2;
    position:sticky;
    top:0;
    background:rgba(255,255,255,.96);
    backdrop-filter:blur(12px);
    z-index:20
}

.brand img{
    width:220px;
    height:55px;
    object-fit:contain
}

.top nav{
    display:flex;
    gap:28px;
    font-weight:700;
    font-size:14px
}

.top-actions{
    display:flex;
    gap:18px;
    align-items:center;
    font-weight:700
}


/* =========================================================
   BUTONLAR
========================================================= */

.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    background:var(--teal);
    color:#07111d;
    font-weight:800;
    padding:15px 22px;
    border-radius:10px;
    border:1px solid var(--teal);
    transition:.2s
}

.btn:hover{
    transform:translateY(-2px)
}

.btn.sm{
    padding:11px 16px
}

.btn.ghost{
    background:transparent;
    color:#fff;
    border-color:#547084
}

.btn.ghost.light{
    border-color:#8fe7df
}


/* =========================================================
   HERO
========================================================= */

.hero{
    min-height:650px;
    background:var(--navy);
    color:#fff;
    display:grid;
    grid-template-columns:1.03fr .97fr;
    align-items:center;
    padding:54px 5vw;
    position:relative;
    overflow:hidden
}

.hero:before{
    content:"";
    position:absolute;
    width:700px;
    height:700px;
    border-radius:50%;
    background:radial-gradient(
        circle,
        rgba(25,211,197,.16),
        rgba(25,211,197,0) 70%
    );
    left:-250px;
    top:-250px
}

.hero-copy{
    position:relative;
    z-index:2;
    max-width:690px
}

.eyebrow{
    font-size:12px;
    letter-spacing:2.4px;
    font-weight:900;
    color:#64f2e8;
    margin-bottom:20px
}

.eyebrow.dark{
    color:#087e77
}

.hero h1{
    font-size:60px;
    line-height:1.02;
    margin:0 0 24px;
    letter-spacing:-2px
}

.hero h1 span{
    color:var(--teal)
}

.hero p{
    font-size:19px;
    line-height:1.7;
    color:#c6d2dc;
    max-width:650px
}

.hero-cta{
    display:flex;
    gap:14px;
    margin:30px 0
}

.trust{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    margin-top:28px
}

.trust span{
    border:1px solid #294157;
    background:#0a1b2c;
    padding:10px 13px;
    border-radius:999px;
    font-size:12px;
    color:#c7d7e3
}

.hero-art img{
    width:100%;
    filter:drop-shadow(0 20px 60px rgba(0,0,0,.35));
    border-radius:26px
}


/* =========================================================
   GENEL SAYFA
========================================================= */

.section,
.page{
    max-width:1240px;
    margin:auto;
    padding:80px 28px
}

.intro{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:90px;
    align-items:center
}

.intro h2,
.headrow h2,
.process h2,
.cta h2,
.page h1,
.service-hero h1{
    font-size:42px;
    line-height:1.12;
    margin:0
}

.intro p,
.page-hero p,
.service-hero p{
    font-size:18px;
    line-height:1.75;
    color:var(--muted)
}


/* =========================================================
   KARTLAR
========================================================= */

.cards{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:18px;
    padding-top:0
}

.card{
    border:1px solid var(--line);
    border-radius:18px;
    padding:28px;
    background:#fff;
    min-height:250px;
    transition:.2s
}

.card:hover{
    transform:translateY(-5px);
    box-shadow:0 18px 45px rgba(20,45,65,.1)
}

.card b{
    font-size:13px;
    color:#099e94
}

.card h3{
    font-size:22px;
    margin-top:50px
}

.card p{
    color:var(--muted);
    line-height:1.6
}


/* =========================================================
   SÜREÇ
========================================================= */

.process{
    background:var(--navy);
    color:#fff
}

.process>.section{
    padding-top:70px;
    padding-bottom:70px
}

.steps{
    display:grid;
    grid-template-columns:repeat(5,1fr);
    gap:16px;
    margin-top:42px
}

.steps div{
    border-top:2px solid #23425b;
    padding-top:20px
}

.steps span{
    color:var(--teal);
    font-weight:900
}

.steps p{
    color:#9fb3c3;
    line-height:1.55;
    font-size:14px
}


/* =========================================================
   PORTFÖY
========================================================= */

.headrow{
    display:flex;
    justify-content:space-between;
    align-items:end;
    margin-bottom:28px
}

.headrow>a{
    font-weight:800;
    color:#087e77
}

.portfolio-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:24px
}

.project{
    border:1px solid var(--line);
    border-radius:18px;
    overflow:hidden;
    background:#fff;
    transition:.2s
}

.project:hover{
    transform:translateY(-4px);
    box-shadow:0 18px 45px rgba(20,45,65,.1)
}

.project img{
    width:100%;
    height:290px;
    object-fit:cover;
    display:block
}

.project>div{
    padding:22px
}

.project small{
    color:#087e77;
    font-weight:800
}

.project h3{
    font-size:24px;
    margin:8px 0
}

.project p{
    color:var(--muted);
    line-height:1.55
}


/* =========================================================
   CTA
========================================================= */

.cta{
    background:#0b2134;
    color:#fff;
    padding:55px 6vw;
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:30px
}

.cta p{
    color:#b7c9d5
}

.cta>div:last-child{
    display:flex;
    gap:12px
}


/* =========================================================
   SAYFALAR / ÇALIŞMA DETAYI
========================================================= */

.page{
    min-height:650px
}

.page-hero{
    max-width:850px;
    margin-bottom:45px
}

.work-grid{
    display:grid;
    grid-template-columns:1.05fr .95fr;
    gap:56px;
    align-items:start
}

.work-img{
    width:100%;
    border-radius:20px;
    border:1px solid var(--line)
}

.work article h1{
    font-size:46px;
    margin:8px 0 18px
}

.lead{
    font-size:18px;
    color:var(--muted);
    line-height:1.7
}

.meta{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:12px;
    margin:28px 0
}

.meta div{
    background:var(--bg);
    padding:16px;
    border-radius:12px
}

.meta small{
    display:block;
    color:var(--muted);
    margin-bottom:5px
}

.work article p{
    line-height:1.7
}


/* =========================================================
   HİZMET SAYFALARI
========================================================= */

.service-hero{
    max-width:850px
}

.service-body{
    max-width:880px;
    margin-top:50px
}

.service-body p{
    font-size:18px;
    line-height:1.8;
    color:var(--muted)
}


/* =========================================================
   SIK SORULAN SORULAR
========================================================= */

.faq-section{
    padding-top:80px;
    padding-bottom:90px
}

.faq-heading{
    max-width:760px;
    margin-bottom:36px
}

.faq-heading h2{
    margin:10px 0 12px
}

.faq-heading p{
    color:#66778a;
    line-height:1.7
}

.faq-list{
    display:grid;
    gap:12px;
    max-width:1000px
}

.faq-item{
    border:1px solid #dce5eb;
    border-radius:14px;
    background:#fff;
    overflow:hidden;
    transition:border-color .2s ease,box-shadow .2s ease
}

.faq-item:hover{
    border-color:#20c8c3
}

.faq-item[open]{
    border-color:#20c8c3;
    box-shadow:0 10px 30px rgba(9,38,58,.07)
}

.faq-item summary{
    position:relative;
    cursor:pointer;
    list-style:none;
    padding:20px 60px 20px 22px;
    font-weight:700;
    font-size:17px;
    line-height:1.4;
    color:#09263a
}

.faq-item summary::-webkit-details-marker{
    display:none
}

.faq-item summary::after{
    content:"+";
    position:absolute;
    right:22px;
    top:50%;
    transform:translateY(-50%);
    width:30px;
    height:30px;
    border-radius:50%;
    background:#e8fafa;
    color:#079c99;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:22px;
    font-weight:500;
    transition:transform .2s ease
}

.faq-item[open] summary::after{
    content:"−"
}

.faq-answer{
    padding:0 60px 20px 22px
}

.faq-answer p{
    margin:0;
    color:#617487;
    line-height:1.7
}


/* =========================================================
   İLGİLİ HİZMETLER
========================================================= */

.related-services{
    margin:50px 0;
    padding:30px;
    background:#f5f8fa;
    border:1px solid #dce5ec;
    border-radius:18px
}

.related-services h2{
    margin-top:0;
    margin-bottom:10px;
    color:#0d1d2e
}

.service-body .related-services>p{
    margin-top:0;
    margin-bottom:24px;
    color:#6c7e8d
}

.related-services>p{
    margin-top:0;
    margin-bottom:24px;
    color:#6c7e8d
}

.related-service-links{
    display:grid;
    gap:12px
}

.related-service-link{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    padding:17px 19px;
    background:#fff;
    border:1px solid #dce5ec;
    border-radius:12px;
    color:#0d1d2e;
    font-size:16px;
    font-weight:800;
    transition:
        border-color .2s ease,
        transform .2s ease,
        box-shadow .2s ease
}

.related-service-link span{
    display:flex;
    align-items:center;
    justify-content:center;
    width:32px;
    height:32px;
    flex:0 0 32px;
    border-radius:50%;
    background:#e8fafa;
    color:#079c99;
    font-size:20px;
    line-height:1
}

.related-service-link:hover{
    border-color:#19d3c5;
    transform:translateY(-2px);
    box-shadow:0 10px 25px rgba(20,45,65,.08)
}

.related-service-link:hover span{
    background:#19d3c5;
    color:#07111d
}


/* =========================================================
   FOOTER
========================================================= */

footer{
    background:#06101a;
    color:#fff;
    padding:55px 5vw;
    display:grid;
    grid-template-columns:1.7fr 1.1fr 1.2fr 1fr;
    gap:45px
}

footer img{
    width:220px;
    max-width:100%;
    display:block
}

footer p{
    color:#91a7b7;
    max-width:420px;
    line-height:1.6
}

footer strong{
    display:block;
    margin-bottom:14px
}

footer a{
    display:block;
    color:#b9cad5;
    margin:9px 0;
    transition:color .2s ease
}

footer a:hover{
    color:var(--teal)
}

.footer-brand p{
    margin-top:20px
}

.footer-address p{
    margin:0;
    color:#b9cad5;
    line-height:1.7
}


/* =========================================================
   TABLET
========================================================= */

@media(max-width:900px){

    .top nav,
    .top-actions>a:first-child{
        display:none
    }

    .brand img{
        width:185px
    }

    .hero{
        grid-template-columns:1fr;
        padding-top:45px
    }

    .hero h1{
        font-size:44px
    }

    .hero-art{
        margin-top:24px
    }

    .intro,
    .work-grid{
        grid-template-columns:1fr;
        gap:25px
    }

    .cards{
        grid-template-columns:1fr 1fr
    }

    .steps{
        grid-template-columns:1fr 1fr
    }

    .portfolio-grid{
        grid-template-columns:1fr
    }

    .cta{
        flex-direction:column;
        align-items:flex-start
    }

    .project img{
        height:auto
    }

}

@media(max-width:720px){

    footer{
        grid-template-columns:1fr 1fr;
        gap:35px
    }

}


/* =========================================================
   MOBİL
========================================================= */

@media(max-width:700px){

    .faq-section{
        padding-top:55px;
        padding-bottom:60px
    }

    .faq-item summary{
        padding:17px 55px 17px 18px;
        font-size:16px
    }

    .faq-item summary::after{
        right:17px
    }

    .faq-answer{
        padding:0 18px 18px
    }

}


@media(max-width:560px){

    .cards{
        grid-template-columns:1fr
    }

    .hero h1{
        font-size:38px
    }

    .hero-cta,
    .cta>div:last-child{
        flex-direction:column
    }

    .steps{
        grid-template-columns:1fr
    }

    .section,
    .page{
        padding:55px 20px
    }

    .intro h2,
    .headrow h2,
    .process h2,
    .cta h2,
    .page h1,
    .service-hero h1{
        font-size:34px
    }

    .related-services{
        margin:35px 0;
        padding:22px 18px;
        border-radius:15px
    }

    .related-service-link{
        padding:15px 16px;
        font-size:15px
    }

    .related-service-link span{
        width:30px;
        height:30px;
        flex-basis:30px
    }

    footer{
        grid-template-columns:1fr;
        gap:30px;
        padding:45px 20px
    }

}