/* =====================
   Global
===================== */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
}

a {
    text-decoration: none;
}

/* =====================
   Navbar
===================== */
.navbar {
    padding: 18px 0;
}

.navbar-brand {
    font-weight: 700;
    letter-spacing: 1px;
}

/* =====================
   Hero Section
===================== */
.hero {
    background: linear-gradient(rgba(0,0,0,.45), rgba(0,0,0,.45)),
                url('/static/images/hero.jpg') center/cover no-repeat;
    color: #fff;
    padding: 120px 0;
}

.hero h1 {
    font-size: 3rem;
}

/* =====================
   Cards
===================== */
.card {
    border: none;
    border-radius: 0;
    transition: transform .4s ease, box-shadow .4s ease;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0,0,0,.15);
}

.card img {
    height: 230px;
    object-fit: cover;
}

/* =====================
   Portfolio
===================== */
.portfolio-img {
    position: relative;
    overflow: hidden;
}

.portfolio-img img {
    transition: transform .6s ease;
}

.portfolio-img:hover img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,.6);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity .4s ease;
}

.portfolio-img:hover .portfolio-overlay {
    opacity: 1;
}

/* =====================
   Buttons
===================== */
.btn-dark {
    padding: 10px 25px;
    letter-spacing: 1px;
}

/* =====================
   Footer
===================== */
footer {
    background: #111;
}