/* CSS Variables for Color Palette */
:root {
    --primary-color: #239BA7;
    --secondary-color: #7ADAA5;
    --accent-color: #E1AA36;
    --light-color: #ECECBB;
    --white: #FFFFFF;
    --dark: #212529;
    --gray-100: #f8f9fa;
    --gray-500: #6c757d;
}

/* Base Styles */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    scroll-behavior: smooth;
    overflow-x: hidden;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 500;
    color: var(--dark);
}

.lead {
    font-weight: 300;
    font-size: 1.125rem;
}

/* Color Overrides for Bootstrap */
.text-primary {
    color: var(--primary-color) !important;
}

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

.border-primary {
    border-color: var(--primary-color) !important;
}

.bg-primary-subtle {
    background-color: #7ff2ff38 !important;
}

.text-secondary {
    color: var(--secondary-color) !important;
}

.text-secondary-emphasis {
    color: #15a368 !important;

}

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

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

.btn-primary:hover,
.btn-primary:focus {
    background-color: #1a7a84;
    border-color: #1a7a84;
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

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

.bg-success {
    background-color: var(--secondary-color) !important;
}

.btn-outline-success {
    color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.btn-outline-success:hover,
.btn-outline-success:focus {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    color: white;
}

.bg-warning {
    background-color: var(--accent-color) !important;
}

.btn-outline-warning {
    color: var(--accent-color);
    border-color: var(--accent-color);
}

.btn-outline-warning:hover,
.btn-outline-warning:focus {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
}

/* Utility Classes */
.soft-shadow {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.card-raise {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-raise:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.hover-glow {
    transition: all 0.3s ease;
}



.accent-underline {
    position: relative;
    display: inline-block;
}

.accent-underline::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    border-radius: 2px;
    animation: underlineGlow 2s ease-in-out infinite alternate;
}

@keyframes underlineGlow {
    from {
        box-shadow: 0 0 5px rgba(122, 218, 165, 0.5);
    }

    to {
        box-shadow: 0 0 15px rgba(225, 170, 54, 0.8);
    }
}

/* Section Spacing */
section {
    padding: 4rem 0;
}

.section-padding {
    padding: 5rem 0;
}

/* Hero Section */
.shared-background {
    background: linear-gradient(135deg, var(--light-color) 0%, rgba(12, 94, 49, 0.37) 100%) !important;
    position: relative;
    overflow: hidden;
}

/* ESP32 WebVars Section - Gradient Background */
.shared-background {
    background: linear-gradient(135deg,
            #239BA7 0%,
            #7ADAA5 35%,
            #ECECBB 65%,
            #E1AA36 100%);
    position: relative;
    overflow: hidden;
}



/* Navigation */
.navbar {
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(15px);
}

.navbar-brand {
    font-size: 1.5rem;
    color: var(--primary-color) !important;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link {
    font-weight: 500;
    color: var(--dark) !important;
    transition: color 0.3s ease;
    position: relative;
}

.navbar-nav .nav-link:hover {
    color: var(--primary-color) !important;
}

.navbar-nav .nav-link.active {
    color: var(--primary-color) !important;
    font-weight: 600;
}

.navbar-nav .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
    width: 80%;
}

/* Cards */
.card {
    border: none;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.card-header {
    border-radius: 12px 12px 0 0 !important;
    border: none;
    padding: 1.5rem;
}

.card-body {
    padding: 2rem;
}

/* Tech Stack Badges */
.tech-stack .badge {
    font-size: 0.9rem;
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tech-stack .badge:hover {
    transform: scale(1.05);
    background-color: var(--primary-color) !important;
}

.copy-tech {
    position: relative;
}

.copy-tech:hover::after {
    content: 'Kattints a vágólapra másoláshoz';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--dark);
    color: white;
    padding: 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    white-space: nowrap;
    z-index: 1000;
    margin-bottom: 5px;
}

/* Animations */
.fade-in-element {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.fade-in-element.fade-in-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Accordion Customization */
.accordion-button {
    background-color: var(--gray-100);
    border: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.accordion-button:not(.collapsed) {
    background-color: var(--primary-color);
    color: white;
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: 0 0 0 0.25rem rgba(35, 155, 167, 0.25);
}

.accordion-button::after {
    transition: transform 0.3s ease;
}

.accordion-item {
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 8px !important;
    margin-bottom: 0.5rem;
    overflow: hidden;
}

.accordion-body {
    background-color: rgba(248, 249, 250, 0.5);
}

/* Buttons */
.btn {
    border-radius: 8px;
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    transition: all 0.3s ease;
    border-width: 2px;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Background Colors */
.bg-light {
    background-color: rgba(236, 236, 187, 0.1) !important;
}

/* Footer */
footer {
    background: linear-gradient(135deg, var(--dark) 0%, #1a1a1a 100%);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        padding: 2rem 0;
    }

    .display-3 {
        font-size: 2.5rem;
    }

    section {
        padding: 3rem 0;
    }

    .card-body {
        padding: 1.5rem;
    }

    .card-header {
        padding: 1.25rem;
    }
}

@media (max-width: 576px) {
    .display-3 {
        font-size: 2rem;
    }

    .lead {
        font-size: 1rem;
    }

    .btn-lg {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
}

/* Smooth transitions for all interactive elements */
* {
    transition: color 0.3s ease, background-color 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #1a7a84;
}

.feature-card,
.ui-type-card,
.profile-feature,
.storage-card,
.challenge-card,
.optimization-item,
.mobile-feature,
.restore-feature,
.workflow-item {
    transition: all 0.3s ease;
}

.feature-card,
.optimization-item,
.challenge-card,
.ui-type-card {
    min-height: 100%;
}

.profile-feature {
    min-height: 100%;
}


.code-example-card {
    margin-bottom: 1rem;
}

.code-placeholder {
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed #6c757d;
}

.feature-badge {
    transition: all 0.3s ease;
    cursor: default;
}

.feature-badge:hover {
    background-color: var(--accent-color) !important;
    color: white;
    transform: scale(1.05);
}



/* Shadow and hover effect for code images */
.code-example-card img {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    border-radius: 8px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.code-example-card img:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
    transform: translateY(-8px) scale(1.02);
}