:root {
    --primary-color: #002B49;
    --secondary-color: #00A3A0;
    --accent-color: #00E5FF;
    --dark-bg: #0a1118;
    --light-bg: #f8f9fa;
    --text-dark: #212529;
    --text-light: #f8f9fa;
    --transition-speed: 0.3s;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    background-color: var(--light-bg);
    overflow-x: hidden;
}

/* Glassmorphism */
.glass-nav {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
    transition: all var(--transition-speed) ease;
}

.glass-nav.scrolled {
    background: rgba(10, 17, 24, 0.9);
    border-bottom: 1px solid rgba(0, 163, 160, 0.3);
}

.glass-nav.scrolled .nav-link {
    color: var(--text-light) !important;
}

.glass-nav.scrolled .navbar-brand {
    color: var(--text-light) !important;
}

/* Hero Section (Carousel) */
.hero-section {
    position: relative;
    background-color: var(--dark-bg);
    color: var(--text-light);
    overflow: hidden;
}

/* Make sure indicators are well positioned */
.carousel-indicators {
    bottom: 20px;
}

/* Smooth Gradients */
.gradient-text {
    background: linear-gradient(45deg, var(--accent-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
}

.gradient-btn {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.gradient-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 163, 160, 0.4);
    color: white;
}

/* Cards & Sections */
.section-padding {
    padding: 100px 0;
}

.card-custom {
    border: none;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
    background: white;
    overflow: hidden;
}

.card-custom:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
}

.card-icon {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

/* Micro-animations */
.hover-scale {
    transition: transform 0.2s ease;
}

.hover-scale:hover {
    transform: scale(1.05);
}

/* Footer */
footer {
    background-color: var(--dark-bg);
    color: #a0aab2;
    padding: 60px 0 30px 0;
}

footer a {
    color: #a0aab2;
    text-decoration: none;
    transition: color 0.2s ease;
}

footer a:hover {
    color: var(--accent-color);
}

/* Conheça a PBC Tech Section */
.conheca-section {
    background-color: #000028; /* Siemens inspired dark navy */
}

.conheca-bg-wave {
    background: radial-gradient(circle at top right, rgba(0, 229, 255, 0.4) 0%, rgba(0, 163, 160, 0) 60%);
    border-radius: 0 0 0 100%;
}

.conheca-card {
    transition: transform var(--transition-speed) ease;
    cursor: pointer;
}

.conheca-card:hover {
    transform: translateY(-5px);
}

.conheca-card:hover .conheca-img {
    transform: scale(1.05);
}

.conheca-card:hover .conheca-link {
    color: var(--accent-color) !important;
}

.conheca-card:hover .conheca-link i {
    transform: translateX(5px);
}

.conheca-img {
    transition: transform 0.5s ease;
}

.conheca-overlay {
    background: linear-gradient(to top, rgba(0, 0, 40, 0.9) 0%, rgba(0, 0, 40, 0.5) 60%, transparent 100%);
    z-index: 1;
}

.conheca-link {
    transition: color 0.3s ease;
}

.conheca-link i {
    transition: transform 0.3s ease;
}

.card-solid-primary {
    background: linear-gradient(135deg, var(--secondary-color), #00d2d3);
}

.tracking-wide {
    letter-spacing: 2px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .hero-section {
        height: auto;
        padding: 150px 0 100px 0;
    }
}