/* ==========================================================
   ASUB - Allround Service & Buchhaltung GmbH
   style.css
   ========================================================== */

:root{
    --green:#3D5E42;
    --green-light:#7E9F69;
    --purple:#73516A;
    --gold:#C8A15A;
    --dark:#222222;
    --light:#F8F8F8;
    --white:#FFFFFF;
    --shadow:0 10px 30px rgba(0,0,0,.08);
    --radius:18px;
    --transition:.3s ease;
}

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

html{
    scroll-behavior:smooth;
}

body{
    font-family:"Poppins",sans-serif;
    color:var(--dark);
    background:var(--white);
    line-height:1.7;
}

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

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

ul{
    list-style:none;
}

.container{
    width:min(1200px,92%);
    margin:auto;
}

/* ---------- Header ---------- */

header{
    position:sticky;
    top:0;
    z-index:1000;
    background:rgba(255,255,255,.95);
    backdrop-filter:blur(12px);
    box-shadow:0 2px 15px rgba(0,0,0,.05);
}

nav{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:18px 0;
}

.logo img{
    height:70px;
}

.menu{
    display:flex;
    gap:35px;
    align-items:center;
}

.menu a{
    font-weight:500;
    transition:var(--transition);
}

.menu a:hover{
    color:var(--green);
}

.button,
.green-btn,
.purple-btn{
    display:inline-block;
    padding:14px 30px;
    border-radius:40px;
    font-weight:600;
    transition:var(--transition);
    color:#fff;
}

.button,
.green-btn{
    background:var(--green);
}

.purple-btn{
    background:var(--purple);
}

.button:hover,
.green-btn:hover,
.purple-btn:hover{
    transform:translateY(-3px);
    box-shadow:var(--shadow);
}

/* ---------- Hero ---------- */

.hero{
    min-height:88vh;
    background:
        linear-gradient(rgba(20,20,20,.55),rgba(20,20,20,.55)),
        url("../images/hero.jpg") center/cover no-repeat;
    display:flex;
    justify-content:center;
    align-items:center;
    text-align:center;
    color:#fff;
}

.hero-content{
    max-width:850px;
    padding:20px;
}

.hero h1{
    font-family:"Playfair Display",serif;
    font-size:clamp(2.8rem,5vw,4.6rem);
    margin-bottom:15px;
}

.hero h2{
    font-size:1.4rem;
    color:#f0f0f0;
    margin-bottom:20px;
}

.hero p{
    font-size:1.15rem;
    margin-bottom:35px;
}

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

/* ---------- Sections ---------- */

section{
    padding:90px 0;
}

section h2{
    text-align:center;
    font-family:"Playfair Display",serif;
    font-size:2.4rem;
    margin-bottom:55px;
}

/* ---------- Cards ---------- */

.service-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(320px,1fr));
    gap:35px;
}

.card{
    background:#fff;
    border-radius:var(--radius);
    padding:40px;
    text-align:center;
    box-shadow:var(--shadow);
    transition:var(--transition);
}

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

.card img{
    width:170px;
    margin:0 auto 20px;
}

.card.green{
    border-top:6px solid var(--green);
}

.card.purple{
    border-top:6px solid var(--purple);
}

.card h3{
    margin-bottom:15px;
}

.card p{
    margin-bottom:25px;
}

.card a{
    color:var(--gold);
    font-weight:600;
}

/* ---------- Advantages ---------- */

.advantages{
    background:var(--light);
}

.advantages-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
    gap:30px;
}

.advantages-grid div{
    background:#fff;
    border-radius:var(--radius);
    padding:35px;
    text-align:center;
    box-shadow:var(--shadow);
}

.advantages-grid i{
    font-size:2.3rem;
    color:var(--green);
    margin-bottom:20px;
}

/* ---------- About ---------- */

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

.about-image img{
    border-radius:var(--radius);
    box-shadow:var(--shadow);
}

/* ---------- CTA ---------- */

.cta{
    background:linear-gradient(135deg,var(--green),var(--purple));
    color:#fff;
    text-align:center;
}

.cta h2{
    margin-bottom:20px;
}

.cta p{
    margin-bottom:30px;
}

/* ---------- Footer ---------- */

footer{
    background:#171717;
    color:#ddd;
}

.footer-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
    gap:40px;
    padding:70px 0 40px;
}

footer h3,
footer h4{
    color:#fff;
    margin-bottom:18px;
}

footer li{
    margin-bottom:10px;
}

footer a:hover{
    color:var(--gold);
}

.copyright{
    text-align:center;
    padding:25px;
    border-top:1px solid rgba(255,255,255,.08);
    font-size:.9rem;
}

/* ---------- Responsive ---------- */

@media(max-width:900px){

    .menu{
        gap:18px;
        font-size:.95rem;
    }

    .about .container{
        grid-template-columns:1fr;
    }

}

@media(max-width:768px){

    nav{
        flex-direction:column;
        gap:18px;
    }

    .menu{
        flex-wrap:wrap;
        justify-content:center;
    }

    .hero{
        min-height:75vh;
    }

    section{
        padding:70px 0;
    }

}