/* ===================================
   UTILITY CLASSES
   Wiederverwendbare Utility-Klassen für alle Projekte
   =================================== */

/* ===================================
   CONTAINER & LAYOUT
   =================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.container-narrow {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===================================
   SECTION SPACING
   =================================== */
.section {
    padding: 100px 0;
}

.section-lg {
    padding: 120px 0;
}

.section-sm {
    padding: 60px 0;
}

@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }

    .section-lg {
        padding: 80px 0;
    }

    .section-sm {
        padding: 40px 0;
    }
}

/* ===================================
   FLEXBOX UTILITIES
   =================================== */
.flex {
    display: flex;
}

.flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
}

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

.flex-column {
    display: flex;
    flex-direction: column;
}

.flex-wrap {
    flex-wrap: wrap;
}

.align-center {
    align-items: center;
}

.justify-center {
    justify-content: center;
}

/* ===================================
   GRID LAYOUTS
   =================================== */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

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

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

@media (max-width: 992px) {
    .grid-3, .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* ===================================
   BUTTONS
   =================================== */
.btn {
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    display: inline-block;
    cursor: pointer;
    border: none;
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--primary-dark, var(--primary));
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background: var(--secondary, #6B7280);
    color: var(--white);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
    padding: 12px 30px;
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
}

.btn-lg {
    padding: 18px 40px;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 10px 24px;
    font-size: 0.9rem;
}

.btn-block {
    display: block;
    width: 100%;
}

/* ===================================
   CARDS
   =================================== */
.card {
    background: var(--white);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--dark);
}

.card-text {
    color: var(--gray);
    line-height: 1.8;
}

/* ===================================
   BADGES
   =================================== */
.badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-primary {
    background: var(--primary);
    color: var(--white);
}

.badge-secondary {
    background: var(--secondary, #6B7280);
    color: var(--white);
}

.badge-outline {
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
}

/* ===================================
   TEXT UTILITIES
   =================================== */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.text-uppercase {
    text-transform: uppercase;
}

.text-gradient {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===================================
   SPACING UTILITIES
   =================================== */
.mb-10 { margin-bottom: 10px; }
.mb-20 { margin-bottom: 20px; }
.mb-30 { margin-bottom: 30px; }
.mb-40 { margin-bottom: 40px; }
.mb-60 { margin-bottom: 60px; }

.mt-10 { margin-top: 10px; }
.mt-20 { margin-top: 20px; }
.mt-30 { margin-top: 30px; }
.mt-40 { margin-top: 40px; }
.mt-60 { margin-top: 60px; }

.pt-10 { padding-top: 10px; }
.pt-20 { padding-top: 20px; }
.pt-30 { padding-top: 30px; }
.pt-40 { padding-top: 40px; }
.pt-60 { padding-top: 60px; }

.pb-10 { padding-bottom: 10px; }
.pb-20 { padding-bottom: 20px; }
.pb-30 { padding-bottom: 30px; }
.pb-40 { padding-bottom: 40px; }
.pb-60 { padding-bottom: 60px; }

/* ===================================
   VISIBILITY UTILITIES
   =================================== */
.desktop-only {
    display: block;
}

.mobile-only {
    display: none;
}

@media (max-width: 768px) {
    .desktop-only {
        display: none;
    }

    .mobile-only {
        display: block;
    }
}

/* ===================================
   BACKGROUND UTILITIES
   =================================== */
.bg-light {
    background: var(--light-bg, #F8FAFC);
}

.bg-dark {
    background: var(--dark-bg, #1F2937);
    color: var(--white);
}

.bg-primary {
    background: var(--primary);
    color: var(--white);
}

.bg-gradient {
    background: var(--gradient);
    color: var(--white);
}

/* ===================================
   SECTION HEADER
   =================================== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 15px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 20px;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

@media (max-width: 768px) {
    .section-header {
        margin-bottom: 40px;
    }

    .section-title {
        font-size: 2rem;
    }

    .section-subtitle {
        font-size: 1rem;
    }
}

/* ===================================
   TWO-COLUMN LAYOUT
   =================================== */
.two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

@media (max-width: 768px) {
    .two-column {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

/* ===================================
   ROUNDED UTILITIES
   =================================== */
.rounded {
    border-radius: 12px;
}

.rounded-lg {
    border-radius: 20px;
}

.rounded-full {
    border-radius: 50%;
}

/* ===================================
   SHADOW UTILITIES
   =================================== */
.shadow-sm {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.shadow {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.shadow-lg {
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}