/* ===== BASE STYLES ===== */
* {
    scroll-behavior: smooth;
}

/* Offset para secciones con header fijo */
section[id] {
    scroll-margin-top: 100px;
}

/* ===== LAYOUT UTILITIES ===== */
.section-padding {
    padding: 80px 0;
}

/* ===== COLOR UTILITIES - OZONE THEME ===== */
.ozone-primary {
    background-color: #0073ae;
    color: white;
}

.ozone-primary:hover {
    background-color: #005c8a;
}

.text-ozone-primary {
    color: #0073ae;
}

.text-ozone-primary:hover {
    color: #005c8a;
}

.border-ozone-primary {
    border-color: #0073ae;
}

.bg-ozone-primary {
    background-color: #0073ae;
}

.bg-ozone-primary:hover {
    background-color: #005c8a;
}

.accent-highlight {
    background: linear-gradient(135deg, #0073ae 0%, #ffffff 100%);
    color: #0073ae;
}

.accent-border {
    border: 2px solid #0073ae;
}

/* ===== BACKGROUND GRADIENTS ===== */
.hero-gradient {
    background: linear-gradient(135deg, #0073ae 0%, #00a859 100%);
}

.glass-effect {
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.1);
}

/* ===== CARD EFFECTS ===== */
.card-hover {
    transition: all 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* ===== BACK TO TOP BUTTON ===== */
#back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3rem;
    height: 3rem;
    background-color: #0073ae;
    color: white;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 115, 174, 0.3);
    transition: all 0.3s ease;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    z-index: 999;
}

#back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

#back-to-top:hover {
    background-color: #005c8a;
    transform: translateY(-3px) scale(1.05);
}