/* MAIN GLOBAL STYLES */

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

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: var(--font-3xl);
    font-weight: var(--font-bold);
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

.section-subtitle {
    font-size: var(--font-base);
    color: var(--gray-500);
    max-width: 550px;
    margin: 0 auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.625rem 1.25rem;
    font-size: var(--font-sm);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

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

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

.btn-admin {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-full);
    font-size: var(--font-sm);
    font-weight: var(--font-semibold);
    transition: all var(--transition-base);
}

.btn-admin:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: var(--z-fixed);
    box-shadow: var(--shadow-lg);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
}

/* Loader */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity var(--transition-base);
}

.loader.hidden {
    opacity: 0;
    pointer-events: none;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.scroll-indicator span {
    width: 3px;
    height: 15px;
    background: var(--white);
    border-radius: var(--radius-full);
    animation: scroll 1.5s ease-in-out infinite;
}

.scroll-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.scroll-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes scroll {
    0%, 100% {
        opacity: 0;
        transform: translateY(-10px);
    }
    50% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Shape Divider */
.shape-divider {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
}

.shape-divider svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 60px;
}

.shape-divider path {
    fill: var(--white);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

.hidden { display: none !important; }
.visible { display: block !important; }