/* =========================================================
   BURNeX
   GLOBAL STYLE
========================================================= */

:root{
    --bg:#0b1220;
    --bg-soft:#101827;
    --card:#121c2d;
    --card-light:#ffffff;
    --text:#ffffff;
    --text-dark:#111827;
    --muted:#aeb7c5;
    --muted-dark:#5d6675;
    --border:#243149;
    --orange:#f97316;
    --orange-dark:#ea580c;
    --green:#25d366;
    --max:1200px;
    --radius:16px;
    --shadow:0 15px 45px rgba(0,0,0,.18);
}

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

html{
    scroll-behavior:smooth;
}

body{
    font-family:Arial,Helvetica,sans-serif;
    background:#fff;
    color:var(--text-dark);
    font-size:17px;
    line-height:1.7;
}

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

a{
    color:inherit;
}

.container{
    width:min(92%,var(--max));
    margin:0 auto;
}


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

.site-header{
    background:rgba(11,18,32,.97);
    border-bottom:1px solid var(--border);
    position:sticky;
    top:0;
    z-index:1000;
    backdrop-filter:blur(12px);
}

.navbar{
    min-height:82px;
    display:flex;
    align-items:center;
    gap:30px;
}

.logo{
    display:flex;
    align-items:center;
    flex-shrink:0;
}

.logo img{
    width:165px;
    max-height:58px;
    object-fit:contain;
}

.main-nav{
    margin-left:auto;
    display:flex;
    align-items:center;
    gap:5px;
}

.main-nav a{
    color:#d7deea;
    text-decoration:none;
    padding:10px 13px;
    border-radius:8px;
    font-size:15px;
    font-weight:600;
    transition:.2s;
}

.main-nav a:hover,
.main-nav a.active{
    color:#fff;
    background:#182338;
}

.header-phone{
    background:var(--orange);
    color:#fff;
    text-decoration:none;
    padding:11px 17px;
    border-radius:9px;
    font-weight:700;
    white-space:nowrap;
    transition:.2s;
}

.header-phone:hover{
    background:var(--orange-dark);
    transform:translateY(-2px);
}

.menu-toggle{
    display:none;
    background:none;
    border:0;
    cursor:pointer;
}

.menu-toggle span{
    display:block;
    width:27px;
    height:3px;
    margin:5px 0;
    background:#fff;
    border-radius:5px;
}


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

.hero{
    background:
        linear-gradient(90deg,rgba(8,13,24,.96),rgba(8,13,24,.75)),
        url("../images/betona-urbsana-1.jpg") center/cover;
    min-height:650px;
    display:flex;
    align-items:center;
    color:#fff;
}

.hero-content{
    padding:90px 0;
    max-width:900px;
}

.eyebrow,
.section-label{
    display:inline-block;
    color:var(--orange);
    font-size:13px;
    font-weight:800;
    letter-spacing:1.5px;
    margin-bottom:14px;
}

.hero h1{
    font-size:clamp(42px,6vw,72px);
    line-height:1.08;
    max-width:900px;
    margin-bottom:25px;
}

.hero-text{
    color:#d6dce6;
    max-width:750px;
    font-size:21px;
    line-height:1.75;
}

.hero-actions{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    margin-top:32px;
}

.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-height:50px;
    padding:12px 23px;
    border-radius:9px;
    text-decoration:none;
    border:1px solid transparent;
    font-weight:700;
    cursor:pointer;
    transition:.2s;
}

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

.btn-primary{
    background:var(--orange);
    color:#fff;
}

.btn-primary:hover{
    background:var(--orange-dark);
}

.btn-whatsapp{
    background:var(--green);
    color:#fff;
}

.btn-secondary{
    background:transparent;
    color:#fff;
    border-color:#526078;
}

.btn-secondary:hover{
    background:#182338;
}

.hero-features{
    display:flex;
    flex-wrap:wrap;
    gap:25px;
    margin-top:30px;
    color:#dce3ed;
    font-size:15px;
}


/* =========================================================
   GENERAL SECTIONS
========================================================= */

.section{
    padding:95px 0;
}

.section-dark{
    background:var(--bg);
    color:#fff;
}

.section-light{
    background:#f5f7fa;
}

.section-heading{
    max-width:760px;
    margin:0 auto 55px;
    text-align:center;
}

.section-heading h2,
.split-content h2,
.cta-section h2{
    font-size:clamp(32px,4vw,48px);
    line-height:1.15;
    margin-bottom:18px;
}

.section-heading p{
    color:var(--muted-dark);
}

.section-dark .section-heading p{
    color:#aeb7c5;
}

.center-button{
    display:flex;
    justify-content:center;
    margin-top:45px;
}


/* =========================================================
   CARDS
========================================================= */

.cards{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:22px;
}

.card{
    background:#fff;
    border:1px solid #e5e9ef;
    border-radius:var(--radius);
    padding:30px;
    transition:.25s;
}

.section-dark .card{
    background:var(--card);
    border-color:var(--border);
}

.card:hover{
    transform:translateY(-6px);
    box-shadow:var(--shadow);
    border-color:var(--orange);
}

.card-icon{
    font-size:30px;
    margin-bottom:15px;
}

.card h3{
    font-size:22px;
    margin-bottom:12px;
}

.card p{
    color:var(--muted-dark);
}

.section-dark .card p{
    color:#aeb7c5;
}


/* =========================================================
   SPLIT
========================================================= */

.split{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:70px;
    align-items:center;
}

.split-image img{
    width:100%;
    aspect-ratio:4/3;
    object-fit:cover;
    border-radius:var(--radius);
    box-shadow:var(--shadow);
}

.split-content p{
    margin-bottom:20px;
    color:var(--muted-dark);
}

.split-content .btn{
    margin-top:10px;
}


/* =========================================================
   STEPS
========================================================= */

.steps{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:25px;
}

.step{
    position:relative;
    padding:30px;
    background:#fff;
    border:1px solid #e3e7ed;
    border-radius:var(--radius);
}

.step-number{
    color:var(--orange);
    font-size:14px;
    font-weight:900;
    letter-spacing:1px;
    margin-bottom:20px;
}

.step h3{
    margin-bottom:10px;
}

.step p{
    color:var(--muted-dark);
}


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

.gallery-preview,
.gallery-full{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:18px;
}

.gallery-preview a,
.gallery-full a{
    overflow:hidden;
    border-radius:14px;
    background:#111827;
}

.gallery-preview img,
.gallery-full img{
    width:100%;
    aspect-ratio:4/3;
    object-fit:cover;
    transition:.35s;
}

.gallery-preview a:hover img,
.gallery-full a:hover img{
    transform:scale(1.05);
}


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

.lightbox{
    position:fixed;
    inset:0;
    z-index:3000;
    background:rgba(0,0,0,.96);
    display:none;
    align-items:center;
    justify-content:center;
    padding:40px;
}

.lightbox:target{
    display:flex;
}

.lightbox img{
    max-width:90vw;
    max-height:88vh;
    object-fit:contain;
    border-radius:8px;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next{
    position:absolute;
    color:#fff;
    text-decoration:none;
    z-index:2;
}

.lightbox-close{
    top:20px;
    right:30px;
    font-size:42px;
}

.lightbox-prev,
.lightbox-next{
    top:50%;
    transform:translateY(-50%);
    font-size:65px;
    padding:20px;
}

.lightbox-prev{
    left:20px;
}

.lightbox-next{
    right:20px;
}


/* =========================================================
   VIDEO
========================================================= */

.video-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:30px;
}

.video-card{
    background:#fff;
    border:1px solid #e3e7ed;
    border-radius:var(--radius);
    padding:20px;
}

.section-dark .video-card{
    background:var(--card);
    border-color:var(--border);
    color:#fff;
}

.video-wrapper{
    position:relative;
    width:100%;
    aspect-ratio:16/9;
    overflow:hidden;
    border-radius:10px;
    background:#000;
    margin-bottom:20px;
}

.video-wrapper iframe{
    position:absolute;
    inset:0;
    width:100%;
    height:100%;
    border:0;
}

.video-card h3,
.video-card h2{
    margin-bottom:8px;
}

.video-card p{
    color:var(--muted-dark);
}


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

.page-hero{
    padding:100px 0;
    background:
        linear-gradient(120deg,#0b1220,#152238);
    color:#fff;
}

.page-hero h1{
    font-size:clamp(42px,6vw,65px);
    line-height:1.1;
    margin-bottom:18px;
}

.page-hero p{
    color:#c3cad5;
    max-width:700px;
    font-size:20px;
}


/* =========================================================
   ABOUT TEXT
========================================================= */

.about-text{
    max-width:850px;
    margin:auto;
}

.about-text p{
    color:#c4ccd7;
    font-size:19px;
    margin-bottom:25px;
}


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

.service-list{
    display:flex;
    flex-direction:column;
    gap:60px;
}

.service-item{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:60px;
    align-items:center;
}

.service-item.reverse .service-image{
    order:2;
}

.service-item.reverse .service-content{
    order:1;
}

.service-image img{
    width:100%;
    aspect-ratio:4/3;
    object-fit:cover;
    border-radius:var(--radius);
    box-shadow:var(--shadow);
}

.service-number{
    display:block;
    color:var(--orange);
    font-weight:900;
    font-size:14px;
    letter-spacing:2px;
    margin-bottom:8px;
}

.service-content h2{
    font-size:36px;
    margin-bottom:15px;
    line-height:1.2;
}

.service-content p{
    color:var(--muted-dark);
    margin-bottom:15px;
}


/* =========================================================
   CONTACT
========================================================= */

.contact-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:60px;
    align-items:start;
}

.contact-info h2,
.contact-form-wrapper h2{
    font-size:40px;
    line-height:1.2;
    margin-bottom:18px;
}

.contact-info > p,
.contact-form-wrapper > p{
    color:var(--muted-dark);
    margin-bottom:30px;
}

.contact-item{
    display:flex;
    gap:17px;
    align-items:flex-start;
    padding:18px 0;
    border-bottom:1px solid #e5e9ef;
}

.contact-icon{
    width:45px;
    height:45px;
    display:flex;
    align-items:center;
    justify-content:center;
    background:#f3f5f8;
    border-radius:10px;
    flex-shrink:0;
}

.contact-item span{
    display:block;
    color:#7b8492;
    font-size:13px;
}

.contact-item a,
.contact-item strong{
    display:block;
    font-size:18px;
    text-decoration:none;
}

.contact-item a:hover{
    color:var(--orange);
}

.contact-form-wrapper{
    background:#f6f8fb;
    border:1px solid #e1e6ed;
    border-radius:var(--radius);
    padding:35px;
}

.contact-form{
    display:flex;
    flex-direction:column;
    gap:18px;
}

.contact-form label{
    display:flex;
    flex-direction:column;
    gap:7px;
    font-weight:700;
}

.contact-form input,
.contact-form textarea{
    width:100%;
    border:1px solid #d7dde6;
    border-radius:9px;
    padding:13px 14px;
    background:#fff;
    font:inherit;
    color:#111827;
    outline:none;
}

.contact-form textarea{
    resize:vertical;
}

.contact-form input:focus,
.contact-form textarea:focus{
    border-color:var(--orange);
}

.contact-form button{
    align-self:flex-start;
    border:0;
    font:inherit;
}


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

.cta-section{
    padding:100px 0;
    text-align:center;
    color:#fff;
    background:
        linear-gradient(120deg,#101827,#0b1220);
}

.cta-section p{
    max-width:650px;
    margin:0 auto;
    color:#bfc8d5;
}

.cta-section .hero-actions{
    justify-content:center;
}


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

.site-footer{
    background:#070d17;
    color:#fff;
    padding:65px 0 0;
}

.footer-grid{
    display:grid;
    grid-template-columns:2fr 1fr 1fr;
    gap:60px;
    padding-bottom:50px;
}

.footer-brand img{
    width:180px;
    margin-bottom:20px;
}

.footer-brand p{
    color:#909bab;
    max-width:300px;
}

.footer-column{
    display:flex;
    flex-direction:column;
    align-items:flex-start;
    gap:8px;
}

.footer-column h3{
    margin-bottom:10px;
}

.footer-column a{
    color:#aeb7c5;
    text-decoration:none;
}

.footer-column span{
    color:#aeb7c5;
}

.footer-column a:hover{
    color:#fff;
}

.footer-bottom{
    border-top:1px solid #1e293b;
    padding:22px 0;
    color:#737e8e;
    font-size:14px;
}


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

@media(max-width:1050px){

    .main-nav{
        gap:0;
    }

    .main-nav a{
        padding:9px 8px;
        font-size:14px;
    }

    .header-phone{
        display:none;
    }

    .cards{
        grid-template-columns:repeat(2,1fr);
    }

    .steps{
        grid-template-columns:repeat(2,1fr);
    }

}


@media(max-width:800px){

    .navbar{
        min-height:72px;
        justify-content:space-between;
    }

    .logo img{
        width:145px;
    }

    .menu-toggle{
        display:block;
        margin-left:auto;
    }

    .main-nav{
        position:absolute;
        top:72px;
        left:0;
        right:0;
        background:#0b1220;
        border-bottom:1px solid var(--border);
        display:none;
        flex-direction:column;
        align-items:stretch;
        padding:12px 4%;
    }

    .main-nav.open{
        display:flex;
    }

    .main-nav a{
        padding:13px;
    }

    .hero{
        min-height:590px;
    }

    .hero-content{
        padding:70px 0;
    }

    .hero h1{
        font-size:45px;
    }

    .hero-text{
        font-size:18px;
    }

    .split,
    .service-item,
    .contact-grid{
        grid-template-columns:1fr;
        gap:35px;
    }

    .service-item.reverse .service-image,
    .service-item.reverse .service-content{
        order:initial;
    }

    .video-grid{
        grid-template-columns:1fr;
    }

    .gallery-preview,
    .gallery-full{
        grid-template-columns:repeat(2,1fr);
    }

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

}


@media(max-width:560px){

    body{
        font-size:16px;
    }

    .section{
        padding:70px 0;
    }

    .page-hero{
        padding:70px 0;
    }

    .hero h1{
        font-size:38px;
    }

    .hero-features{
        flex-direction:column;
        gap:8px;
    }

    .cards,
    .steps,
    .gallery-preview,
    .gallery-full{
        grid-template-columns:1fr;
    }

    .contact-form-wrapper{
        padding:25px;
    }

    .footer-grid{
        grid-template-columns:1fr;
    }

    .hero-actions{
        flex-direction:column;
        align-items:stretch;
    }

    .btn{
        width:100%;
    }

    .lightbox{
        padding:15px;
    }

    .lightbox img{
        max-width:96vw;
    }

    .lightbox-prev,
    .lightbox-next{
        font-size:45px;
    }

}