/* Modern Design System - Premium Aesthetic */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@400;700&display=swap');

:root {
    --primary-color: #26a9e0;
    --primary-hover: #1b8ac0;
    --secondary-color: #6c757d;
    --dark-bg: #121212;
    --light-bg: #ffffff;
    --card-bg-light: #f8f9fa;
    --card-bg-dark: #1e1e1e;
    --glass-bg-dark: rgba(18, 18, 18, 0.85);
    --glass-bg-light: rgba(255, 255, 255, 0.85);
    --border-color-light: #eaeaea;
    --border-color-dark: #333;
    --text-main-light: #212529;
    --text-main-dark: #e0e0e0;
    --menu-header-color: #888;

    --transition-speed: 0.3s;
    --navbar-height-offset: 100px;
}

/* Scroll Offset for Sticky Navbar */
h1,
h2,
h3,
h4,
h5,
h6 {
    scroll-margin-top: var(--navbar-height-offset);
}

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

/* Dark Mode Headings */
body.dark-mode h1,
body.dark-mode h2,
body.dark-mode h3,
body.dark-mode h4,
body.dark-mode h5,
body.dark-mode h6,
body.dark-mode .display-3 {
    color: var(--text-main-dark);
}

body.dark-mode .text-primary {
    color: var(--primary-color) !important;
}

body {
    font-family: 'Inter', sans-serif;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

h1,
h2,
h3,
h4,
h5,
h6,
.navbar-brand,
.step-title {
    font-family: 'Outfit', sans-serif;
}

/* Glassmorphism Navbar */
.glass-effect {
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar {
    position: fixed;
    /* Ensure absolute child relates to it */
}

.navbar-glass-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
    /* Behind content */
}

.navbar .container-fluid {
    position: relative;
    z-index: 1;
    /* Above glass */
}

/* Base Light Mode (Default) */
body.light-mode {
    background-color: var(--light-bg);
    color: var(--text-main-light);
}

body.light-mode .glass-effect {
    background-color: var(--glass-bg-light) !important;
    border-bottom: 1px solid var(--border-color-light);
}

body.light-mode .navbar-brand,
body.light-mode .nav-link,
body.light-mode .bi {
    color: #333 !important;
}

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

/* Base Dark Mode */
body.dark-mode {
    background-color: var(--dark-bg);
    color: var(--text-main-dark);
}

body.dark-mode .glass-effect {
    background-color: var(--glass-bg-dark) !important;
    border-bottom: 1px solid var(--border-color-dark);
}

/* Navbar */
.navbar-logo {
    height: 45px;
    /* Slightly smaller for modern look */
    width: auto;
    transition: transform var(--transition-speed);
}

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

.nav-link {
    font-weight: 500;
    transition: color var(--transition-speed);
    position: relative;
}

/* Animated Underline for Nav Links */
.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary-color);
    transition: width var(--transition-speed);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Cards & Content */
.card,
.step {
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

body.light-mode .card,
body.light-mode .step {
    background-color: var(--card-bg-light);
    border: 1px solid var(--border-color-light);
}

body.dark-mode .card,
body.dark-mode .step {
    background-color: var(--card-bg-dark);
    border: 1px solid var(--border-color-dark);
}

.card:hover,
.step:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.12);
}

/* Buttons */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    border-radius: 8px;
    padding: 0.5rem 1.2rem;
    font-weight: 500;
    transition: all var(--transition-speed);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    box-shadow: 0 4px 12px rgba(38, 169, 224, 0.3);
}

/* Footer */
.section-footer {
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

body.dark-mode .section-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* Offcanvas (Mobile Menu) */
.offcanvas {
    transition: transform 0.4s ease-in-out, background-color var(--transition-speed), color var(--transition-speed);
}

body.light-mode .offcanvas {
    background-color: var(--light-bg);
    color: var(--text-main-light);
}

body.dark-mode .offcanvas {
    background-color: var(--dark-bg);
    color: var(--text-main-dark);
}

body.light-mode .offcanvas .btn-close {
    filter: none;
}

body.dark-mode .offcanvas .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* Dropdown Menu Improvements */
.dropdown-menu {
    border: none;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    animation: fadeIn 0.2s ease-out;
}

/* Fix Mobile Menu Z-Index & Sizing */
div#offcanvasNavbar {
    z-index: 9999 !important;
}

@media (max-height: 500px) {
    .offcanvas {
        width: 300px !important;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

body.light-mode .dropdown-menu {
    background-color: #fff;
    border: 1px solid #eee;
}

body.light-mode .dropdown-item {
    color: #333;
}

body.light-mode .dropdown-item:hover {
    background-color: #f0f0f0;
    color: var(--primary-color);
}

/* Sticky top fix for glassmorphism */
.sticky-top {
    z-index: 1020;
}

/* Improved Dropdown Styling */
.dropdown-header {
    font-family: 'Outfit', sans-serif;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 1px;
    color: var(--secondary-color);
    padding: 0.75rem 1.25rem 0.25rem;
    font-weight: 600;
}

.dropdown-item {
    padding: 0.6rem 1.25rem;
    font-weight: 400;
    font-size: 0.95rem;
    border-radius: 6px;
    margin: 0 0.5rem;
    width: auto;
    transition: all 0.2s ease;
}

body.light-mode .dropdown-item:hover {
    background-color: rgba(38, 169, 224, 0.08);
    /* Transparent primary */
    color: var(--primary-color);
    transform: translateX(3px);
}

body.dark-mode .dropdown-menu {
    background-color: #1e1e1e;
    border: 1px solid #333;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

body.dark-mode .dropdown-item {
    color: #e0e0e0;
}

body.dark-mode .dropdown-item:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--primary-color);
    transform: translateX(3px);
}

body.dark-mode .dropdown-header {
    color: #888;
}

/* Responsive Typography */
@media (max-width: 768px) {
    .display-3 {
        font-size: 2.5rem;
        /* Smaller hero text on mobile */
    }

    .container.pt-5 {
        padding-top: 1.5rem !important;
        /* Reduce duplicate padding */
    }

    .navbar-logo {
        height: 35px;
        /* Smaller logo on mobile */
    }
}

/* Badges in Dark Mode */
body.dark-mode .badge.bg-dark {
    background-color: #333 !important;
    border: 1px solid #555;
    color: #fff !important;
}



/* Vibrant Icon System */
/* Vibrant High-Contrast Icon System */
.icon-cyan {
    color: #00b8d4;
    /* Darker Cyan */
    text-shadow: 0 0 10px rgba(0, 184, 212, 0.4);
}

.icon-yellow {
    color: #fbc02d;
    /* Gold/Yellow */
    text-shadow: 0 0 10px rgba(251, 192, 45, 0.4);
}

.icon-purple {
    color: #aa00ff;
    /* Deep Purple */
    text-shadow: 0 0 10px rgba(170, 0, 255, 0.4);
}

.icon-green {
    color: #00c853;
    /* Strong Green */
    text-shadow: 0 0 10px rgba(0, 200, 83, 0.4);
}

.icon-red {
    color: #d50000;
    /* Deep Red */
    text-shadow: 0 0 10px rgba(213, 0, 0, 0.4);
}

.icon-orange {
    color: #ef6c00;
    /* Deep Orange */
    text-shadow: 0 0 10px rgba(239, 108, 0, 0.4);
}

.icon-indigo {
    color: #304ffe;
    /* Deep Indigo */
    text-shadow: 0 0 10px rgba(48, 79, 254, 0.4);
}

.icon-pink {
    color: #c51162;
    /* Deep Pink */
    text-shadow: 0 0 10px rgba(197, 17, 98, 0.4);
}

.icon-blue {
    color: #0091ea;
    /* Strong Blue */
    text-shadow: 0 0 10px rgba(0, 145, 234, 0.4);
}

.icon-teal {
    color: #00bfa5;
    /* Deep Teal */
    text-shadow: 0 0 10px rgba(0, 191, 165, 0.4);
}

/* Article Utilities */
.text-justify {
    text-align: justify;
}

.image-in-article {
    border-radius: 12px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.image-in-article:hover {
    transform: scale(1.02);
}