/* 
  Design System for Darmasiswa STMIK IKMI Cirebon
  Colors: Red, Cyan Blue Gradient, Glassmorphism
*/

:root {
    --primary-red: #dc3545;
    --secondary-red: #c82333;
    --cyan-accent: #00bcd4;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(220, 53, 69, 0.1);
    --dark-text: #2d3436;
    --light-text: #636e72;
}

body {
    font-family: 'Outfit', sans-serif;
    color: var(--dark-text);
    background: linear-gradient(135deg, #ffffff 0%, #dce1e8 100%);
    background-attachment: fixed;
    position: relative;
    min-height: 100vh;
}

body::before {
    content: '';
    position: fixed;
    top: -20%;
    left: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.8) 0%, transparent 60%);
    z-index: -1;
    pointer-events: none;
}

body::after {
    content: '';
    position: fixed;
    bottom: -20%;
    right: -10%;
    width: 70vw;
    height: 70vw;
    background: radial-gradient(circle, rgba(200, 205, 215, 0.5) 0%, transparent 60%);
    z-index: -1;
    pointer-events: none;
}

/* Glassmorphism utility - Refined for light mode */
.glass-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-radius: 20px;
    color: var(--dark-text);
}

.glass-card p, .glass-card h1, .glass-card h2, .glass-card h3, .glass-card h4, .glass-card h5, .glass-card h6 {
    color: var(--dark-text);
}

.glass-nav {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

/* Red Elements */
.btn-red {
    background: linear-gradient(45deg, var(--primary-red), var(--secondary-red));
    border: none;
    color: white;
    padding: 10px 25px;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(230, 57, 70, 0.3);
}

.btn-red:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(230, 57, 70, 0.5);
    color: white;
}

/* Header/Slider Styles */
.hero-slider {
    border-radius: 30px;
    overflow: hidden;
    margin-top: 20px;
    border: 2px solid var(--glass-border);
}

.carousel-caption {
    display: none !important;
}

.static-hero-caption {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    width: 85%;
    max-width: 900px;
    color: var(--dark-text);
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    z-index: 10;
}

/* Floating Language Switcher */
.fixed-lang-switcher {
    position: fixed;
    bottom: 30px;
    left: 30px;
    z-index: 9999;
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.8) !important;
    border: 1px solid rgba(220, 53, 69, 0.2) !important;
}

.fixed-lang-switcher a {
    transition: transform 0.3s ease;
    display: block;
    line-height: 0;
}

.fixed-lang-switcher a img {
    width: 35px;
    height: 35px;
    object-fit: cover;
    border-radius: 50%;
    border: 2px solid transparent;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.fixed-lang-switcher a.active img {
    border-color: var(--primary-red);
    box-shadow: 0 0 15px rgba(220, 53, 69, 0.4);
    transform: scale(1.1);
}

.fixed-lang-switcher a:hover {
    transform: scale(1.2);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade {
    animation: fadeIn 0.8s ease forwards;
}

.navbar-dark .navbar-nav .nav-link {
    color: var(--dark-text);
    font-weight: 500;
}

.navbar-dark .navbar-brand {
    color: var(--dark-text);
}

/* Content Page Hero */
.page-hero-container {
    position: relative;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0) 60%, rgba(255,255,255,1) 100%);
    pointer-events: none;
}

/* Gallery Hover & Slider */
.gallery-item-container {
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    cursor: pointer;
    overflow: hidden;
}

.gallery-item-container:hover {
    transform: scale(1.08) translateY(-8px) rotate(1.5deg);
    box-shadow: 0 15px 30px rgba(220, 53, 69, 0.2);
    z-index: 10;
}

.gallery-item-container img {
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-item-container:hover img {
    filter: brightness(1.1) contrast(1.1) saturate(1.2);
}

.gallery-ctrl {
    width: 30px;
    height: 30px;
    background: var(--primary-red);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.8rem;
}

.gallery-ctrl:hover {
    background: var(--navy-blue);
    transform: scale(1.1);
}

.hover-red:hover {
    color: var(--primary-red) !important;
    padding-left: 5px;
    transition: all 0.3s ease;
}

/* Attractive Hover Dropdowns */
@media (min-width: 992px) {
    .navbar-nav .nav-item.dropdown:hover > .dropdown-menu {
        display: block !important;
        opacity: 1 !important;
        visibility: visible !important;
        transform: translateY(0) !important;
    }

    .navbar-nav .dropdown-menu {
        display: block;
        margin-top: 0;
        min-width: 180px;
        max-width: 250px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(15px);
        transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
        border-top: 3px solid var(--primary-red) !important;
        border-radius: 0 0 10px 10px;
        padding: 8px 0;
        background: rgba(255, 255, 255, 0.98);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        border: none;
    }

    /* Padding bridge to prevent closing on hover gap */
    .navbar-nav .nav-item.dropdown::after {
        content: "";
        position: absolute;
        width: 100%;
        height: 20px;
        bottom: -20px;
        left: 0;
        display: none;
    }

    .navbar-nav .nav-item.dropdown:hover::after {
        display: block;
    }

    .dropdown-submenu:hover > .dropdown-menu {
        display: block !important;
        opacity: 1 !important;
        visibility: visible !important;
        transform: translateX(0) !important;
    }

    .dropdown-submenu > .dropdown-menu {
        top: 0;
        left: 100%;
        margin-top: -5px;
        transform: translateX(10px);
        border-top: none !important;
        border-left: 3px solid var(--cyan-accent) !important;
        border-radius: 0 12px 12px 12px;
    }
}

.dropdown-item {
    padding: 8px 20px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--dark-text);
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.dropdown-item:hover {
    background: rgba(220, 53, 69, 0.05);
    color: var(--primary-red);
    border-left: 3px solid var(--primary-red);
    padding-left: 25px;
}

.dropdown-submenu .dropdown-item:hover {
    border-left-color: var(--cyan-accent);
}

.navbar-nav .nav-link {
    position: relative;
    padding: 10px 15px !important;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-red);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.navbar-nav .nav-link:hover::after {
    width: 20px;
}