/* ===== HACKMIT-INSPIRED MODERN DESIGN ===== */
/* Add this file after your existing styles.css in the HTML */

/* Enhanced Color Palette - More Vibrant */
:root {
    /* Modern HackMIT-inspired gradients */
    --hackmit-gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --hackmit-gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --hackmit-gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --hackmit-gradient-4: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    --hackmit-gradient-5: linear-gradient(135deg, #fa709a 0%, #fee140 100%);

    /* Glass morphism colors */
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);

    /* Neumorphism shadows */
    --neu-light: #2d3748;
    --neu-dark: #1a202c;
    --neu-shadow-light: inset 5px 5px 10px rgba(255, 255, 255, 0.1), inset -5px -5px 10px rgba(0, 0, 0, 0.1);
    --neu-shadow-dark: 5px 5px 10px var(--neu-dark), -5px -5px 10px var(--neu-light);
}

/* ===== GLASS MORPHISM EFFECTS ===== */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--glass-shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

/* ===== ENHANCED GRADIENT BACKGROUNDS ===== */
.hero-gradient {
    background: linear-gradient(135deg,
        #0066cc 0%,
        #004499 25%,
        #00a6fb 50%,
        #3385d6 75%,
        #0066cc 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.section-gradient {
    background: linear-gradient(135deg,
        rgba(102, 126, 234, 0.1) 0%,
        rgba(118, 75, 162, 0.1) 25%,
        rgba(240, 147, 251, 0.1) 50%,
        rgba(245, 87, 108, 0.1) 75%,
        rgba(79, 172, 254, 0.1) 100%);
}

/* ===== MODERN BUTTON STYLES ===== */
.btn-hackmit {
    position: relative;
    overflow: hidden;
    background: var(--hackmit-gradient-1);
    color: white;
    border: none;
    padding: 16px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    display: inline-block;
}

.btn-hackmit::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-hackmit:hover::before {
    left: 100%;
}

.btn-hackmit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

.btn-glass {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    color: white;
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* ===== MODERN CARD DESIGNS ===== */
.card-modern {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.card-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--hackmit-gradient-1);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card-modern:hover::before {
    opacity: 1;
}

.card-modern:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
}

/* ===== NEUMORPHISM EFFECTS ===== */
.neu-card {
    background: linear-gradient(145deg, var(--neu-light), var(--neu-dark));
    box-shadow: var(--neu-shadow-dark);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.neu-card:hover {
    box-shadow: var(--neu-shadow-light);
    transform: translateY(-5px);
}

/* ===== ANIMATED ELEMENTS ===== */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.float-animation {
    animation: float 6s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(102, 126, 234, 0.3);
    }
    50% {
        box-shadow: 0 0 30px rgba(102, 126, 234, 0.6);
    }
}

.pulse-glow {
    animation: pulse-glow 3s ease-in-out infinite;
}

/* ===== MODERN TYPOGRAPHY ===== */
.text-gradient {
    background: var(--hackmit-gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-shimmer {
    background: var(--hackmit-gradient-1);
    background-size: 100% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: #fff; /* fallback for browsers without background-clip support */
}

/* ===== INTERACTIVE ELEMENTS ===== */
.interactive-element {
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.interactive-element::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.interactive-element:hover::after {
    width: 300px;
    height: 300px;
}

/* Disable ripple effect on project cards */
.project-card.interactive-element::after {
    display: none;
}

/* ===== RESPONSIVE MODERN GRID ===== */
.grid-modern {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.grid-modern .card-modern {
    height: 100%;
}

/* ===== MODERN NAVIGATION ===== */
.nav-modern {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-modern.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(30px);
}

/* ===== LOADING ANIMATIONS ===== */
.loading-dots {
    display: inline-block;
}

.loading-dots::after {
    content: '';
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0%, 20% { content: ''; }
    40% { content: '.'; }
    60% { content: '..'; }
    80%, 100% { content: '...'; }
}

/* ===== UTILITY CLASSES ===== */
.blur-bg {
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.glass-effect {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
}

.gradient-text {
    background: var(--hackmit-gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-glow {
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.3);
}

/* ===== MOBILE RESPONSIVE ===== */
@media (max-width: 768px) {
    .glass-card,
    .card-modern,
    .neu-card {
        margin: 1rem;
        padding: 1.5rem;
    }

    .btn-hackmit,
    .btn-glass {
        width: 100%;
        margin: 0.5rem 0;
    }
}