:root{
    --primary:#2C5F5D;
    --pl:#3A7B79;
    --sec:#E8F0EF;
    --accent:#D4A574;
    --al:#E5C09A;
    --text:#2D3436;
    --tl:#636E72;
    --bg:#FAFAFA;
    --w:#fff;

    --font-title:'Playfair Display',serif;
    --font-body:'Inter',sans-serif;

    --max-width:1200px;
    --radius-card:20px;
    --radius-button:50px;

    --sh:0 10px 30px rgba(0,0,0,.05);
    --tr:all .3s ease
}

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

html{
    scroll-behavior:smooth
}

body{
    font-family:var(--font-body);
    background:var(--bg);
    color:var(--text);
    line-height:1.6;
    overflow-x:hidden
}

h1,h2,h3,h4{
    font-family:var(--font-title);
    font-weight:600;
    line-height:1.2
}

a{
    text-decoration:none;
    transition:var(--tr)
}

ul{
    list-style:none
}

.container{
    max-width:var(--max-width);
    margin:0 auto;
    padding:0 25px
}

.tag{
    display:inline-block;
    font-size:.75rem;
    letter-spacing:2px;
    text-transform:uppercase;
    color:var(--accent);
    font-weight:600;
    margin-bottom:15px
}

.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    padding:14px 32px;
    border-radius:var(--radius-button);
    font-weight:500;
    font-size:.95rem;
    cursor:pointer;
    border:none;
    transition:var(--tr)
}

.btn-p{
    background:var(--primary);
    color:var(--w)
}

.btn-p:hover{
    background:var(--pl);
    transform:translateY(-3px);
    box-shadow:0 5px 15px rgba(44,95,93,.3)
}

.btn-o{
    background:transparent;
    border:2px solid var(--primary);
    color:var(--primary)
}

.btn-o:hover{
    background:var(--primary);
    color:var(--w);
    transform:translateY(-3px)
}

nav{
    position:fixed;
    top:0;
    width:100%;
    padding:25px 0;
    z-index:1000;
    transition:var(--tr)
}

nav.scrolled{
    background:rgba(255,255,255,.95);
    padding:15px 0;
    box-shadow:0 2px 20px rgba(0,0,0,.1);
    backdrop-filter:blur(10px)
}

nav .container{
    display:flex;
    justify-content:space-between;
    align-items:center
}

.logo{
    font-size:1.6rem;
    font-weight:700;
    font-family:var(--font-title)
}

.logo .neuro{
    color:var(--primary)
}

.logo .viver{
    color:var(--accent)
}

.nav-links{
    display:flex;
    align-items:center;
    gap:30px
}

.nav-links a{
    color:var(--text);
    font-size:.9rem;
    font-weight:500
}

.nav-links a:hover{
    color:var(--primary)
}

.nav-cta{
    padding:10px 25px;
    font-size:.85rem
}

.menu-toggle{
    display:none;
    flex-direction:column;
    gap:6px;
    cursor:pointer;
    background:none;
    border:none
}

.menu-toggle span{
    width:30px;
    height:2px;
    background:var(--primary);
    transition:var(--tr)
}

.hero{
    min-height:100vh;
    display:flex;
    align-items:center;
    background:linear-gradient(135deg,var(--sec) 0%,#F5F0E8 100%);
    position:relative;
    overflow:hidden;
    padding-top:80px
}

.hero::after{
    content:'';
    position:absolute;
    width:500px;
    height:500px;
    background:radial-gradient(circle,rgba(212,165,116,.1) 0%,transparent 70%);
    top:-100px;
    right:-100px
}

.hero-content{
    max-width:800px;
    position:relative;
    z-index:1;
    text-align:center;
    margin:0 auto
}

.hero h1{
    font-size:3.2rem;
    margin-bottom:25px;
    color:var(--text)
}

.hero h1 em{
    font-style:italic;
    color:var(--primary)
}

.hero p{
    font-size:1.2rem;
    color:var(--tl);
    margin-bottom:40px;
    max-width:600px;
    margin-left:auto;
    margin-right:auto
}

.hero-btns{
    display:flex;
    gap:20px;
    justify-content:center;
    flex-wrap:wrap
}

.scroll-down{
    position:absolute;
    bottom:30px;
    left:50%;
    transform:translateX(-50%);
    animation:b 2s infinite;
    color:var(--primary)
}

@keyframes b{
    0%,20%,50%,80%,100%{
        transform:translateY(0) translateX(-50%)
    }

    40%{
        transform:translateY(-10px) translateX(-50%)
    }

    60%{
        transform:translateY(-5px) translateX(-50%)
    }
}

.about{
    padding:120px 0;
    background:var(--w)
}

.about-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:80px;
    align-items:center
}

.about-img{
    position:relative
}

.about-img img{
    width:100%;
    aspect-ratio:4/5;
    object-fit:cover;
    border-radius:var(--radius-card);
    display:block
}

.about-img::before{
    content:'';
    position:absolute;
    width:100%;
    height:100%;
    border:2px solid var(--accent);
    border-radius:var(--radius-card);
    top:20px;
    left:20px;
    z-index:-1
}

.about h2{
    font-size:2.8rem;
    margin-bottom:25px
}

.about p{
    color:var(--tl);
    margin-bottom:30px;
    font-size:1.05rem
}

.badges{
    display:flex;
    flex-wrap:wrap;
    gap:10px
}

.badge{
    background:var(--sec);
    color:var(--primary);
    padding:8px 16px;
    border-radius:50px;
    font-size:.85rem;
    font-weight:600
}

.services{
    padding:120px 0;
    background:var(--sec)
}

.s-header{
    text-align:center;
    margin-bottom:70px
}

.s-header h2{
    font-size:2.4rem;
    margin-bottom:16px
}

.s-header p{
    color:var(--tl);
    max-width:500px;
    margin:0 auto
}

.s-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:30px
}

.s-card{
    background:var(--w);
    padding:50px 40px;
    border-radius:var(--radius-card);
    box-shadow:var(--sh);
    transition:var(--tr);
    text-align:center
}

.s-card:hover{
    transform:translateY(-10px)
}

.s-icon{
    width:70px;
    height:70px;
    background:var(--sec);
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    margin:0 auto 25px;
    font-size:1.8rem;
    color:var(--primary)
}

.s-card h3{
    margin-bottom:15px;
    font-size:1.4rem
}

.s-card p{
    color:var(--tl);
    font-size:.95rem
}

.online{
    padding:120px 0;
    background:var(--w)
}

.online-content{
    display:grid;
    grid-template-columns:1.2fr 1fr;
    gap:80px;
    align-items:center
}

.online h2{
    font-size:2.4rem;
    margin-bottom:25px
}

.online-text p{
    color:var(--tl);
    margin-bottom:20px;
    font-size:1.05rem
}

.online-features{
    margin-top:40px;
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:25px
}

.feature-item{
    display:flex;
    align-items:center;
    gap:12px;
    font-weight:500;
    color:var(--text)
}

.feature-item span{
    width:28px;
    height:28px;
    border-radius:50%;
    background:var(--sec);
    display:flex;
    align-items:center;
    justify-content:center;
    color:var(--primary);
    font-size:.9rem;
    flex-shrink:0
}

.online-box{
    background:var(--primary);
    color:var(--w);
    padding:50px;
    border-radius:var(--radius-card);
    text-align:center
}

.online-box h3{
    margin-bottom:20px;
    color:var(--al);
    font-size:1.5rem
}

.online-box p{
    margin-bottom:30px;
    color:rgba(255,255,255,.8)
}

.blog{
    padding:120px 0;
    background:var(--bg)
}

.blog-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:30px
}

.blog-card{
    background:var(--w);
    border-radius:var(--radius-card);
    overflow:hidden;
    box-shadow:var(--sh);
    transition:var(--tr)
}

.blog-card:hover{
    transform:translateY(-8px)
}

.blog-img{
    height:200px;
    background:var(--sec);
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:2.5rem;
    color:var(--primary);
    opacity:.3
}

.blog-info{
    padding:30px
}

.blog-meta{
    font-size:.78rem;
    color:var(--accent);
    margin-bottom:10px;
    font-weight:600;
    text-transform:uppercase;
    letter-spacing:1px
}

.blog-info h3{
    font-size:1.2rem;
    margin-bottom:15px;
    line-height:1.4
}

.blog-info p{
    font-size:.9rem;
    color:var(--tl)
}

.contact{
    padding:120px 0;
    background:var(--w)
}

.contact-grid{
    display:grid;
    grid-template-columns:1fr 1.2fr;
    gap:80px
}

.contact-info h2{
    font-size:2.8rem;
    margin-bottom:20px
}

.contact-info>p{
    color:var(--tl);
    margin-bottom:30px
}

.contact-list{
    margin:40px 0
}

.contact-item{
    display:flex;
    align-items:center;
    gap:20px;
    margin-bottom:25px
}

.contact-icon{
    width:50px;
    height:50px;
    background:var(--sec);
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    color:var(--primary);
    font-size:1.2rem;
    flex-shrink:0
}

.contact-text strong{
    display:block;
    font-size:.9rem;
    color:var(--tl)
}

.contact-text a,
.contact-text span{
    color:var(--text);
    font-size:.95rem
}

.contact-text a:hover{
    color:var(--primary)
}

.social-circles{
    display:flex;
    gap:15px
}

.social-circle{
    width:45px;
    height:45px;
    border:1px solid #ddd;
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    color:var(--text);
    transition:var(--tr);
    font-size:.85rem;
    font-weight:600
}

.social-circle:hover{
    background:var(--primary);
    color:var(--w);
    border-color:var(--primary)
}

.contact-form{
    background:var(--sec);
    padding:50px;
    border-radius:var(--radius-card)
}

.form-group{
    margin-bottom:20px
}

.form-group label{
    display:block;
    margin-bottom:8px;
    font-size:.9rem;
    font-weight:500
}

.form-group input,
.form-group select,
.form-group textarea{
    width:100%;
    padding:12px 15px;
    border:1px solid #ccc;
    border-radius:8px;
    font-family:inherit;
    font-size:.92rem;
    background:var(--w);
    color:var(--text)
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus{
    outline:none;
    border-color:var(--primary)
}

.form-group textarea{
    height:120px;
    resize:none
}

footer{
    background:var(--primary);
    color:var(--w);
    padding:80px 0 30px
}

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

.footer-logo .neuro{
    color:var(--w)
}

.footer-logo .viver{
    color:var(--al)
}

.footer-brand p{
    margin-top:20px;
    max-width:300px;
    color:rgba(255,255,255,.7);
    font-size:.9rem
}

.footer-col h4{
    color:var(--al);
    margin-bottom:25px;
    font-size:1.1rem
}

.footer-col ul li{
    margin-bottom:12px
}

.footer-col ul li a{
    color:rgba(255,255,255,.7);
    font-size:.9rem
}

.footer-col ul li a:hover{
    color:var(--w)
}

.footer-bottom{
    border-top:1px solid rgba(255,255,255,.1);
    padding-top:30px;
    text-align:center;
    font-size:.85rem;
    color:rgba(255,255,255,.5)
}

.reveal{
    opacity:0;
    transform:translateY(30px);
    transition:all .8s ease-out
}

.reveal.active{
    opacity:1;
    transform:translateY(0)
}

.nav-links.active{
    display:flex;
    flex-direction:column;
    position:absolute;
    top:100%;
    left:0;
    width:100%;
    background:var(--w);
    padding:40px;
    box-shadow:0 10px 20px rgba(0,0,0,.1);
    gap:20px
}

@media(max-width:992px){

    .nav-links{
        display:none
    }

    .menu-toggle{
        display:flex
    }

    .hero h1{
        font-size:2.8rem
    }

    .about-grid,
    .online-content,
    .contact-grid{
        grid-template-columns:1fr;
        gap:50px
    }

    .s-grid,
    .blog-grid{
        grid-template-columns:1fr 1fr
    }

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

@media(max-width:768px){

    .s-grid,
    .blog-grid,
    .footer-grid{
        grid-template-columns:1fr
    }

    .hero h1{
        font-size:2.2rem
    }

    .contact-form{
        padding:30px
    }

    .online-features{
        grid-template-columns:1fr
    }
}