/* ===========================
   Kasia Nowak Portfolio - Custom Styles
   Colours: near-white, charcoal, muted teal
   =========================== */

:root {
    --teal: #5BA4A4;
    --teal-dark: #4A8E8E;
    --charcoal: #2C2C2C;
    --light-bg: #FAFAFA;
    --text: #2C2C2C;
    --text-muted: #6C6C6C;
}

/* Base */
body {
    font-family: system-ui, -apple-system, sans-serif;
    color: var(--text);
    background-color: var(--light-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

/* Navbar - minimal and light */
.navbar-brand {
    font-weight: 300;
    font-size: 1.3rem;
    letter-spacing: 1px;
    color: var(--charcoal) !important;
}

.nav-link {
    color: var(--text-muted) !important;
    font-weight: 400;
    transition: color 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--teal) !important;
}

/* Hero - lots of whitespace */
.hero-portfolio {
    padding: 6rem 0;
}

.hero-portfolio h1 {
    letter-spacing: 2px;
    color: var(--charcoal);
}

/* Teal button */
.btn-teal {
    background-color: var(--teal);
    color: #fff;
    border: none;
    padding: 0.6rem 1.8rem;
    border-radius: 6px;
    font-weight: 500;
    transition: background-color 0.2s ease;
}

.btn-teal:hover {
    background-color: var(--teal-dark);
    color: #fff;
}

/* Teal badge */
.bg-teal {
    background-color: var(--teal) !important;
}

/* Cards */
.card {
    border-radius: 10px;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    cursor: pointer;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
}

.card-img-top {
    height: 220px;
    object-fit: cover;
}

/* Project cards - smooth filter transition */
.project-card {
    transition: opacity 0.3s ease;
}

/* Progress bars */
.progress {
    background-color: #e9ecef;
    border-radius: 10px;
}

.progress-bar.bg-teal {
    background-color: var(--teal) !important;
}

/* Modal */
.modal-content {
    border: none;
    border-radius: 12px;
}

/* Filter buttons */
#filter-buttons .btn-dark {
    background-color: var(--charcoal);
    border-color: var(--charcoal);
}

#filter-buttons .btn-outline-dark {
    color: var(--charcoal);
    border-color: var(--charcoal);
}

#filter-buttons .btn-outline-dark:hover {
    background-color: var(--charcoal);
    color: #fff;
}

/* Social links */
.border-top a {
    color: var(--teal);
}

.border-top a:hover {
    color: var(--teal-dark);
}

/* Form validation */
.form-control.is-valid {
    border-color: var(--teal);
}

/* Footer */
footer {
    margin-top: auto;
}

/* Responsive */
@media (max-width: 767px) {
    .hero-portfolio {
        padding: 4rem 0;
    }

    .hero-portfolio .display-3 {
        font-size: 2.5rem;
    }

    .card-img-top {
        height: 180px;
    }
}