/*==================================================
    TİRKİ YAPI İNŞAAT
    Premium Corporate Theme v3
==================================================*/

/* RESET */

*,
*::before,
*::after{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

:root{

    --primary:#C9A45C;
    --primary-hover:#E2BA70;

    --dark:#0B0B0B;
    --dark-2:#141414;
    --dark-3:#1C1C1C;

    --white:#FFFFFF;

    --text:#D7D7D7;
    --muted:#A4A4A4;

    --border:rgba(255,255,255,.08);

    --radius:20px;

    --shadow:
        0 20px 45px rgba(0,0,0,.35);

    --transition:.35s ease;

}

html{

    scroll-behavior:smooth;

}

body{

    font-family:"Poppins",sans-serif;

    background:var(--dark);

    color:var(--white);

    line-height:1.8;

    overflow-x:hidden;

}

::selection{

    background:var(--primary);

    color:#111;

}

a{

    color:inherit;

    text-decoration:none;

    transition:var(--transition);

}

img{

    display:block;

    max-width:100%;

}

ul{

    list-style:none;

}

.container{

    width:min(92%,1240px);

    margin:auto;

}

section{

    position:relative;

    padding:110px 0;

}

/*==============================
SECTION TITLE
==============================*/

.section-title{

    text-align:center;

    margin-bottom:70px;

}

.section-title h2{

    font-size:48px;

    font-weight:700;

    color:var(--primary);

    margin-bottom:16px;

}

.section-title p{

    max-width:760px;

    margin:auto;

    color:var(--muted);

    font-size:18px;

}

/*==============================
HEADER
==============================*/

.header{

    position:fixed;

    top:0;

    left:0;

    width:100%;

    z-index:9999;

    background:rgba(10,10,10,.72);

    backdrop-filter:blur(18px);

    border-bottom:1px solid rgba(255,255,255,.06);

    transition:.35s;

}

.header.scrolled{

    background:rgba(8,8,8,.96);

    box-shadow:0 15px 40px rgba(0,0,0,.35);

}

.header .container{

    height:90px;

    display:flex;

    align-items:center;

    justify-content:space-between;

}

.logo{

    display:flex;

    align-items:center;

    gap:16px;

    font-size:24px;

    font-weight:700;

    color:var(--primary);

}

.logo img{

    height:60px;

}

.menu{

    display:flex;

    align-items:center;

    gap:40px;

}

.menu a{

    position:relative;

    color:#F1F1F1;

    font-weight:500;

}

.menu a::after{

    content:"";

    position:absolute;

    left:0;

    bottom:-8px;

    width:0;

    height:2px;

    background:var(--primary);

    transition:.35s;

}

.menu a:hover{

    color:var(--primary);

}

.menu a:hover::after{

    width:100%;

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

.hero{

    position:relative;

    min-height:100vh;

    display:flex;

    align-items:center;

    justify-content:center;

    text-align:center;

    overflow:hidden;

    padding:170px 20px 120px;

    background:
    linear-gradient(rgba(0,0,0,.72),rgba(0,0,0,.82)),
    url("../images/hero.jpg") center center/cover no-repeat;

}

.hero::before{

    content:"";

    position:absolute;

    inset:0;

    background:
    radial-gradient(circle at top,
    rgba(201,164,92,.18),
    transparent 60%);

    z-index:1;

}

.hero::after{

    content:"";

    position:absolute;

    left:0;

    right:0;

    bottom:0;

    height:180px;

    background:linear-gradient(transparent,var(--dark));

    z-index:2;

}

.hero-content{

    position:relative;

    z-index:5;

    max-width:900px;

    margin:auto;

}

.hero-subtitle{

    display:inline-block;

    padding:10px 22px;

    border:1px solid rgba(201,164,92,.35);

    border-radius:50px;

    background:rgba(255,255,255,.04);

    backdrop-filter:blur(12px);

    color:var(--primary);

    letter-spacing:3px;

    font-size:14px;

    font-weight:600;

    margin-bottom:28px;

    text-transform:uppercase;

}

.hero h1{

    font-size:76px;

    line-height:1.1;

    font-weight:800;

    margin-bottom:28px;

    color:#fff;

}

.hero p{

    max-width:760px;

    margin:auto;

    color:#d7d7d7;

    font-size:22px;

    line-height:1.9;

}

.hero-buttons{

    display:flex;

    justify-content:center;

    align-items:center;

    gap:20px;

    flex-wrap:wrap;

    margin-top:50px;

}

.hero .btn{

    min-width:190px;

}
/*==================================================
    BUTTONS
==================================================*/

.btn,
.btn-header{

    display:inline-flex;

    align-items:center;

    justify-content:center;

    gap:10px;

    padding:16px 38px;

    border-radius:60px;

    font-size:16px;

    font-weight:600;

    transition:.35s ease;

    cursor:pointer;

}

.btn,
.btn-header{

    background:var(--primary);

    color:#111;

    border:none;

}

.btn:hover,
.btn-header:hover{

    transform:translateY(-6px);

    background:var(--primary-hover);

    box-shadow:
    0 18px 40px rgba(201,164,92,.35);

}

.btn-outline{

    background:transparent;

    color:#fff;

    border:2px solid rgba(201,164,92,.70);

}

.btn-outline:hover{

    background:var(--primary);

    color:#111;

    border-color:var(--primary);

}

/*==================================================
    FEATURES
==================================================*/

.features{

    background:var(--dark);

}

.feature-grid{

    display:grid;

    grid-template-columns:repeat(auto-fit,minmax(270px,1fr));

    gap:32px;

}

.feature-card{

    position:relative;

    overflow:hidden;

    padding:42px 35px;

    border-radius:22px;

    background:rgba(255,255,255,.04);

    backdrop-filter:blur(18px);

    border:1px solid rgba(255,255,255,.08);

    transition:.35s;

}

.feature-card::before{

    content:"";

    position:absolute;

    left:0;

    top:0;

    width:100%;

    height:4px;

    background:linear-gradient(90deg,
    var(--primary),
    #F0D08F);

}

.feature-card::after{

    content:"";

    position:absolute;

    inset:0;

    background:
    radial-gradient(circle at top right,
    rgba(201,164,92,.12),
    transparent 45%);

    pointer-events:none;

}

.feature-card:hover{

    transform:translateY(-12px);

    border-color:var(--primary);

    box-shadow:0 20px 45px rgba(0,0,0,.30);

}

.feature-card h3{

    font-size:25px;

    color:var(--primary);

    margin-bottom:18px;

}

.feature-card p{

    color:#D8D8D8;

    line-height:1.9;

}
/*==================================================
    SERVICES
==================================================*/

.services{

    background:linear-gradient(180deg,var(--dark-2),#101010);

}

.service-grid{

    display:grid;

    grid-template-columns:repeat(auto-fit,minmax(320px,1fr));

    gap:35px;

}

.service-card{

    position:relative;

    overflow:hidden;

    padding:40px;

    border-radius:22px;

    background:rgba(255,255,255,.04);

    border:1px solid rgba(255,255,255,.08);

    backdrop-filter:blur(18px);

    transition:.35s;

}

.service-card::before{

    content:"";

    position:absolute;

    left:0;

    top:0;

    width:100%;

    height:4px;

    background:linear-gradient(90deg,var(--primary),#F0D08F);

}

.service-card::after{

    content:"";

    position:absolute;

    inset:0;

    background:
    radial-gradient(circle at top right,
    rgba(201,164,92,.10),
    transparent 45%);

    pointer-events:none;

}

.service-card:hover{

    transform:translateY(-12px);

    border-color:var(--primary);

    box-shadow:0 22px 45px rgba(0,0,0,.35);

}

.service-card h3{

    color:var(--primary);

    font-size:26px;

    margin-bottom:18px;

    font-weight:700;

}

.service-card p{

    color:#D7D7D7;

    line-height:1.9;

    font-size:16px;

}

/*==================================================
    GALLERY
==================================================*/

.gallery-section{

    background:var(--dark);

}

.gallery-grid{

    display:grid;

    grid-template-columns:repeat(auto-fit,minmax(340px,1fr));

    gap:30px;

}

.gallery-item{

    position:relative;

    overflow:hidden;

    border-radius:22px;

    cursor:pointer;

    border:1px solid rgba(255,255,255,.08);

    transition:.35s;

    background:#111;

}

.gallery-item:hover{

    transform:translateY(-10px);

    border-color:var(--primary);

    box-shadow:0 20px 45px rgba(0,0,0,.35);

}

.gallery-item img{

    width:100%;

    height:360px;

    object-fit:cover;

    transition:.7s ease;

}

.gallery-item:hover img{

    transform:scale(1.10);

}

.gallery-overlay{

    position:absolute;

    inset:0;

    display:flex;

    justify-content:center;

    align-items:center;

    background:linear-gradient(rgba(0,0,0,.15),rgba(0,0,0,.75));

    opacity:0;

    transition:.35s;

}

.gallery-overlay h3{

    color:#fff;

    font-size:26px;

    transform:translateY(20px);

    transition:.35s;

}

.gallery-item:hover .gallery-overlay{

    opacity:1;

}

.gallery-item:hover .gallery-overlay h3{

    transform:translateY(0);

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

.cta{

    text-align:center;

    background:
    linear-gradient(135deg,#181818,#101010);

    border-top:1px solid rgba(255,255,255,.06);

    border-bottom:1px solid rgba(255,255,255,.06);

}

.cta h2{

    font-size:56px;

    color:var(--primary);

    margin-bottom:22px;

    line-height:1.2;

}

.cta p{

    max-width:760px;

    margin:0 auto 45px;

    color:#d7d7d7;

    font-size:20px;

    line-height:1.9;

}

.cta-buttons{

    display:flex;

    justify-content:center;

    align-items:center;

    gap:20px;

    flex-wrap:wrap;

}

.cta .btn{

    min-width:200px;

}

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

.footer{

    background:#080808;

    border-top:1px solid rgba(255,255,255,.06);

    padding:45px 0;

    text-align:center;

}

.footer p{

    color:#999;

    font-size:15px;

    letter-spacing:.5px;

    line-height:1.8;

}

/*==================================================
    WHATSAPP FLOAT
==================================================*/

.whatsapp-float{

    position:fixed;

    right:24px;

    bottom:24px;

    width:64px;

    height:64px;

    border-radius:50%;

    display:flex;

    justify-content:center;

    align-items:center;

    background:#25D366;

    box-shadow:0 18px 35px rgba(0,0,0,.35);

    transition:.35s;

    z-index:9999;

}

.whatsapp-float:hover{

    transform:translateY(-6px) scale(1.06);

}

.whatsapp-float img{

    width:34px;

    filter:brightness(0) invert(1);

}

/*==================================================
    BACK TO TOP
==================================================*/

#backToTop{

    position:fixed;

    right:30px;

    bottom:105px;

    width:56px;

    height:56px;

    border:none;

    border-radius:50%;

    background:var(--primary);

    color:#111;

    display:flex;

    justify-content:center;

    align-items:center;

    cursor:pointer;

    font-size:22px;

    opacity:0;

    visibility:hidden;

    transition:.35s;

    box-shadow:0 15px 35px rgba(0,0,0,.35);

    z-index:999;

}

#backToTop.show{

    opacity:1;

    visibility:visible;

}

#backToTop:hover{

    transform:translateY(-6px);

}

/*==================================================
    LIGHTBOX
==================================================*/

.lightbox{

    position:fixed;

    inset:0;

    display:none;

    justify-content:center;

    align-items:center;

    background:rgba(0,0,0,.94);

    backdrop-filter:blur(8px);

    z-index:99999;

}

.lightbox img{

    max-width:92%;

    max-height:90%;

    border-radius:18px;

    box-shadow:0 20px 50px rgba(0,0,0,.45);

}

.close-lightbox{

    position:absolute;

    top:25px;

    right:35px;

    font-size:52px;

    color:#fff;

    cursor:pointer;

    transition:.3s;

}

.close-lightbox:hover{

    color:var(--primary);

}
/*==================================================
    RESPONSIVE
==================================================*/

@media (max-width:992px){

    .hero h1{
        font-size:58px;
    }

    .hero p{
        font-size:20px;
    }

    .section-title h2{
        font-size:40px;
    }

    .cta h2{
        font-size:44px;
    }

}

@media (max-width:768px){

    .header .container{
        height:78px;
    }

    .menu{

        position:absolute;

        top:78px;

        left:0;

        width:100%;

        background:#111;

        display:none;

        flex-direction:column;

        gap:0;

        padding:20px 0;

    }

    .menu.active{
        display:flex;
    }

    .menu li{

        width:100%;

        text-align:center;

        padding:18px 0;

    }

    .menu-toggle{
        display:block;
    }

    .btn-header{
        display:none;
    }

    .hero{

        min-height:auto;

        padding:150px 20px 90px;

    }

    .hero h1{

        font-size:42px;

    }

    .hero p{

        font-size:17px;

    }

    .hero-buttons{

        flex-direction:column;

    }

    .hero .btn{

        width:100%;

        max-width:320px;

    }

    .section-title h2{

        font-size:34px;

    }

    .cta h2{

        font-size:36px;

    }

    .cta .btn{

        width:100%;

        max-width:320px;

    }

    .gallery-item img{

        height:280px;

    }

}

@media (max-width:576px){

    section{

        padding:75px 0;

    }

    .feature-grid,
    .service-grid,
    .gallery-grid{

        grid-template-columns:1fr;

    }

}

/*==================================================
    ANIMATION
==================================================*/

.service-card,
.feature-card,
.gallery-item{

    animation:fadeUp .7s ease both;

}

@keyframes fadeUp{

    from{

        opacity:0;

        transform:translateY(35px);

    }

    to{

        opacity:1;

        transform:translateY(0);

    }

}