/* ============================================
   LAYOUT, CONTAINER & GRID SYSTEM
   ============================================ */

/* Container */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    width: 100%;
}

/* Section Base */
.section {
    padding: var(--section-padding);
    position: relative;
    width: 100%;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(0, 240, 255, 0.1);
    color: var(--cyber-neon);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1rem;
    border: 1px solid rgba(0, 240, 255, 0.2);
    font-family: var(--font-mono);
    text-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-light);
    letter-spacing: -1px;
    line-height: 1.2;
}

/* Cyber Grid Background */
.cyber-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    opacity: 0.4;
    background-image: 
        linear-gradient(rgba(252, 191, 73, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(252, 191, 73, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
}

/* Section Dividers */
.section-divider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--cyber-neon) 50%, transparent 100%);
    opacity: 0.3;
}

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

.hidden { display: none !important; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}