/* ==========================================================================
   GLASSMORPHIC SCI-FI DESIGN SYSTEM
   AI Learning Path Generator - Complete Stylesheet
   ========================================================================== */

/* Import Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ==========================================================================
   CSS CUSTOM PROPERTIES
   ========================================================================== */

:root {
    /* Background Colors - Dark Theme - Pink Glassmorphic */
    --bg-primary: #0f0320;
    --bg-secondary: #1a0b2e;
    --bg-tertiary: #2d1b4e;
    
    /* Glass Effect */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-bg-hover: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 80, 197, 0.2);
    --glass-blur: 20px;
    
    /* Neon Colors - Pink Gradient Theme */
    --neon-cyan: #ff50c5;
    --neon-purple: #c850ff;
    --neon-pink: #ff50c5;
    --neon-green: #ff8fe7;
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.4);
    
    /* Status Colors */
    --status-success: #00ff88;
    --status-warning: #ffb800;
    --status-error: #ff0051;
    
    /* Grid */
    --grid-color: rgba(255, 80, 197, 0.1);
    --grid-overlay: radial-gradient(circle at 50% 50%, transparent 0%, rgba(15, 3, 32, 0.9) 100%);

    color-scheme: dark;
}

/* Light Theme Variables */
:root:not(.dark) {
    /* Background Colors - Light Theme */
    --bg-primary: #f8fafc;
    --bg-secondary: #f1f5f9;
    --bg-tertiary: #e2e8f0;
    
    /* Glass Effect */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-bg-hover: rgba(255, 255, 255, 0.9);
    --glass-border: rgba(203, 213, 225, 0.5);
    --glass-blur: 20px;
    
    /* Neon Colors - Adjusted for light theme */
    --neon-cyan: #0891b2;
    --neon-purple: #7c3aed;
    --neon-pink: #db2777;
    --neon-green: #059669;
    
    /* Text Colors */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    /* Status Colors */
    --status-success: #10b981;
    --status-warning: #f59e0b;
    --status-error: #ef4444;
    
    /* Grid */
    --grid-color: rgba(148, 163, 184, 0.15);
    --grid-overlay: radial-gradient(circle at 50% 50%, transparent 0%, rgba(248, 250, 252, 0.6) 100%);

    color-scheme: light;
}

/* Light-mode glass adjustments */
:root:not(.dark) .glass-card {
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid rgba(148, 163, 184, 0.35);
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.09);
}

:root:not(.dark) .glass-card:hover {
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 24px 50px rgba(15, 23, 42, 0.12);
}

:root:not(.dark) .glass-nav {
    background: rgba(255, 255, 255, 0.85);
    border-bottom-color: rgba(148, 163, 184, 0.35);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

:root:not(.dark) .progress-bar-container {
    background: rgba(226, 232, 240, 0.9);
    box-shadow: inset 0 1px 3px rgba(15, 23, 42, 0.08);
}

:root:not(.dark) .progress-bar {
    box-shadow: none;
}

/* ==========================================================================
   BASE STYLES
   ========================================================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ==========================================================================
   GLASS COMPONENTS
   ========================================================================== */

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
    background: var(--glass-bg-hover);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.glass-card-no-hover {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.glass-nav {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 50;
}

.glass-input, .glass-select {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 12px 16px;
    color: var(--text-primary);
    font-size: 1rem;
    width: 100%;
    transition: all 0.3s ease;
    appearance: none;
}

.glass-input:focus, .glass-select:focus {
    outline: none;
    border-color: var(--neon-pink);
    box-shadow: 0 0 14px rgba(255, 80, 197, 0.35);
}

.glass-input::placeholder {
    color: var(--text-muted);
}

.glass-select {
    cursor: pointer;
    position: relative;
}

.glass-select option {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.glass-select::-ms-expand {
    display: none;
}

.select-wrapper {
    position: relative;
}

.select-wrapper::after {
    content: '\25BC';
    position: absolute;
    top: 50%;
    right: 16px;
    transform: translateY(-50%);
    color: var(--text-secondary);
    pointer-events: none;
}

/* ==========================================================================
   NEON BUTTONS
   ========================================================================== */

.neon-btn {
    background: transparent;
    border: 2px solid var(--neon-pink);
    color: var(--neon-pink);
    padding: 12px 32px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 0 16px rgba(255, 80, 197, 0.3);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.neon-btn:hover {
    background: var(--neon-pink);
    color: #ffffff;
    box-shadow: 0 0 26px rgba(255, 80, 197, 0.5);
    transform: translateY(-2px);
}

.neon-btn-purple:hover {
    background: var(--neon-purple);
    color: var(--bg-primary);
    box-shadow: 0 0 26px rgba(179, 125, 255, 0.4);
}

.neon-btn-pink:hover {
    background: var(--neon-pink);
    color: var(--bg-primary);
    box-shadow: 0 0 26px rgba(255, 116, 196, 0.4);
}

.neon-btn-sm {
    padding: 8px 20px;
    font-size: 0.75rem;
    border: 2px solid var(--neon-pink);
    color: var(--neon-pink);
    background: transparent;
    border-radius: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 0 12px rgba(255, 80, 197, 0.25);
    transition: all 0.3s ease;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.neon-btn-sm:hover {
    background: var(--neon-pink);
    color: #ffffff;
    box-shadow: 0 0 25px rgba(255, 80, 197, 0.5);
}

/* ==========================================================================
{{ ... }}
   BACKGROUNDS
   ========================================================================== */

.grid-background {
    background: linear-gradient(135deg, #0f0320 0%, #1a0b2e 25%, #2d1b4e 50%, #1a0b2e 75%, #0f0320 100%);
    background-image: 
        linear-gradient(135deg, #0f0320 0%, #1a0b2e 25%, #2d1b4e 50%, #1a0b2e 75%, #0f0320 100%),
        linear-gradient(var(--grid-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
    background-size: 100% 100%, 50px 50px, 50px 50px;
    background-position: center center, center center, center center;
    position: relative;
}

.grid-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(255, 80, 197, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(200, 80, 255, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

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

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

.bg-tertiary {
    background-color: var(--bg-tertiary);
}

/* ==========================================================================
   TEXT UTILITIES
   ========================================================================== */

.text-neon-cyan { color: var(--neon-cyan); }
.text-neon-purple { color: var(--neon-purple); }
.text-neon-pink { color: var(--neon-pink); }
.text-neon-green { color: var(--neon-green); }
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }

.chip-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.4rem 0.9rem;
    border-radius: 9999px;
    font-size: 0.85rem;
    letter-spacing: 0.02em;
    border: 1px solid rgba(255, 255, 255, 0.25);
    background: rgba(15, 20, 45, 0.6);
    color: var(--text-secondary);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.glass-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.95rem;
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(74, 216, 255, 0.18), rgba(179, 125, 255, 0.25));
    border: 1px solid rgba(74, 216, 255, 0.4);
    color: var(--neon-cyan);
    font-size: 0.9rem;
    font-weight: 500;
    box-shadow: inset 0 0 15px rgba(74, 216, 255, 0.15);
}

.glass-pill span {
    color: inherit;
}

.glass-card-dark {
    background: linear-gradient(180deg, rgba(12, 18, 42, 0.92), rgba(7, 11, 30, 0.85));
    border: 1px solid rgba(179, 125, 255, 0.35);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-radius: 18px;
    box-shadow: 0 16px 40px rgba(6, 8, 20, 0.45);
    transition: transform 0.25s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.glass-card-dark:hover {
    transform: translateY(-4px);
    box-shadow: 0 22px 45px rgba(6, 8, 20, 0.55);
    border-color: rgba(74, 216, 255, 0.55);
}

.gradient-banner {
    position: relative;
    overflow: hidden;
    border-radius: 18px;
    padding: 1px;
    background: linear-gradient(135deg, rgba(74, 216, 255, 0.5), rgba(179, 125, 255, 0.5), rgba(255, 116, 196, 0.45));
}

.gradient-banner-inner {
    background: rgba(10, 12, 34, 0.92);
    border-radius: inherit;
    padding: 1.25rem 1.5rem;
}

.border-glass {
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.border-glow {
    border: 1px solid rgba(74, 216, 255, 0.4);
}

.badge-outline {
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: rgba(12, 18, 42, 0.65);
    color: var(--text-secondary);
    padding: 0.35rem 0.9rem;
    border-radius: 999px;
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* ==========================================================================
   EFFECTS
   ========================================================================== */

.shadow-neon {
    box-shadow: 0 0 16px rgba(74, 216, 255, 0.35);
}

.shadow-neon-purple {
    box-shadow: 0 0 16px rgba(179, 125, 255, 0.35);
}

.shadow-neon-pink {
    box-shadow: 0 0 16px rgba(255, 116, 196, 0.35);
}

.gradient-text {
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==========================================================================
   SCROLLBARS
   ========================================================================== */

*::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

*::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 999px;
}

*::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, rgba(74, 216, 255, 0.4), rgba(179, 125, 255, 0.4));
    border-radius: 999px;
    border: 2px solid var(--bg-secondary);
    box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.2);
}

*::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, rgba(74, 216, 255, 0.55), rgba(179, 125, 255, 0.55));
}

* {
    scrollbar-width: thin;
    scrollbar-color: rgba(74, 216, 255, 0.4) var(--bg-secondary);
}

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

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

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(0, 243, 255, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(0, 243, 255, 0.6);
    }
}

.pulse-glow {
    animation: pulse-glow 2s ease-in-out infinite;
}

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

.fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
    }
    to {
        transform: translateX(0);
    }
}

.slide-in-right {
    animation: slideInRight 0.3s ease-out;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.spin {
    animation: spin 1s linear infinite;
}

/* ==========================================================================
   PROGRESS BARS
   ========================================================================== */

.progress-bar-container {
    width: 100%;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 9999px;
    overflow: hidden;
    position: relative;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple));
    border-radius: 9999px;
    box-shadow: 0 0 20px rgba(0, 243, 255, 0.5);
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   TIMELINE
   ========================================================================== */

.timeline-line {
    position: absolute;
    left: 2rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--neon-cyan), var(--neon-purple), var(--neon-pink));
    opacity: 0.6;
}

.timeline-node {
    position: absolute;
    left: 1.5rem;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid var(--neon-cyan);
    background: var(--bg-primary);
    box-shadow: 0 0 15px rgba(0, 243, 255, 0.5);
    z-index: 10;
}

/* ==========================================================================
   CHAT STYLES
   ========================================================================== */

.chat-message {
    max-width: 80%;
    margin-bottom: 15px;
    padding: 12px 16px;
    border-radius: 18px;
    position: relative;
    animation: fadeIn 0.3s ease-out;
}

.chat-message.user {
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
    color: white;
    margin-left: auto;
    border-bottom-right-radius: 4px;
}

.chat-message.assistant {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    margin-right: auto;
    border-bottom-left-radius: 4px;
}

/* ==========================================================================
   FAQ ACCORDION
   ========================================================================== */

.faq-item {
    transition: all 0.3s ease;
}

.faq-question {
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: var(--glass-bg-hover);
}

.faq-answer {
    transition: max-height 0.3s ease;
}

.faq-icon {
    transition: transform 0.3s ease;
}

/* ==========================================================================
   LOADING SPINNER
   ========================================================================== */

.loading-spinner {
    display: inline-block;
    border: 3px solid var(--glass-border);
    border-top: 3px solid var(--neon-cyan);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
}

/* ==========================================================================
   TOPIC BUTTONS
   ========================================================================== */

.topic-btn {
    padding: 8px 16px;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    border-radius: 9999px;
    font-size: 0.875rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.topic-btn:hover {
    background: var(--neon-cyan);
    color: var(--bg-primary);
    border-color: var(--neon-cyan);
    box-shadow: 0 0 20px rgba(0, 243, 255, 0.4);
}

.topic-btn.active {
    background: var(--neon-cyan);
    color: var(--bg-primary);
    border-color: var(--neon-cyan);
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 768px) {
    .glass-card {
        border-radius: 12px;
    }
    
    .neon-btn {
        padding: 10px 24px;
        font-size: 0.75rem;
    }
    
    .grid-background {
        background-size: 30px 30px;
    }
    
    .chat-message {
        max-width: 90%;
    }
}

/* ==========================================================================
   UTILITY CLASSES
   ========================================================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.w-full { width: 100%; }
.h-full { height: 100%; }

.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }

.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }

.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }

.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-12 { margin-bottom: 3rem; }

.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }

.rounded { border-radius: 8px; }
.rounded-lg { border-radius: 16px; }
.rounded-full { border-radius: 9999px; }

.transition { transition: all 0.3s ease; }
.cursor-pointer { cursor: pointer; }

.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }

.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }

.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.z-10 { z-index: 10; }
.z-50 { z-index: 50; }

.overflow-hidden { overflow: hidden; }
.overflow-y-auto { overflow-y: auto; }

.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-4 > * + * { margin-top: 1rem; }
.space-y-6 > * + * { margin-top: 1.5rem; }

.min-h-screen { min-height: 100vh; }

/* ==========================================================================
   RESPONSIVE DESIGN - MOBILE FIRST
   ========================================================================== */

/* Mobile Devices (max-width: 640px) */
@media (max-width: 640px) {
    /* Reduce glass card padding */
    .glass-card {
        padding: 1rem !important;
    }
    
    /* Navigation - Stack vertically */
    nav .container {
        flex-direction: column;
        gap: 1rem;
    }
    
    nav .flex {
        flex-direction: column;
        width: 100%;
        gap: 0.75rem;
    }
    
    /* Increase touch targets */
    .neon-btn,
    .neon-btn-sm,
    button,
    a {
        min-height: 44px;
        min-width: 44px;
        padding: 0.75rem 1.5rem;
    }
    
    /* Reduce font sizes */
    h1 { font-size: 2rem !important; }
    h2 { font-size: 1.5rem !important; }
    h3 { font-size: 1.25rem !important; }
    h4 { font-size: 1.125rem !important; }
    
    /* Full-width forms */
    .glass-input,
    .glass-select,
    .glass-textarea {
        width: 100%;
    }
    
    /* Simplify hero section */
    .hero-section h1 {
        font-size: 2.5rem !important;
        line-height: 1.2;
    }
    
    .hero-section p {
        font-size: 1rem !important;
    }
    
    /* Timeline - Single column */
    .timeline {
        padding-left: 0 !important;
    }
    
    .milestone-card {
        margin-left: 0 !important;
        margin-right: 0 !important;
    }
    
    /* Larger tap targets for milestone cards */
    .milestone-card .glass-card {
        padding: 1.5rem;
        margin-bottom: 1.5rem;
    }
    
    /* Collapsible sections by default */
    .milestone-resources {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .milestone-resources.expanded {
        max-height: 1000px;
    }
    
    /* Chatbot - Full screen on mobile */
    .chatbot-modal {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        width: 100% !important;
        height: 100% !important;
        border-radius: 0 !important;
        animation: slideUp 0.3s ease-out;
    }
    
    @keyframes slideUp {
        from {
            transform: translateY(100%);
        }
        to {
            transform: translateY(0);
        }
    }
    
    /* Prominent close button */
    .chatbot-close {
        position: absolute;
        top: 1rem;
        right: 1rem;
        width: 44px;
        height: 44px;
        font-size: 1.5rem;
        z-index: 100;
    }
    
    /* Reduce complex animations */
    .fade-in,
    .slide-in,
    .pulse-glow {
        animation: none !important;
    }
    
    /* Simpler transitions */
    * {
        transition-duration: 0.2s !important;
    }
    
    /* Grid to single column */
    .grid {
        grid-template-columns: 1fr !important;
    }
    
    /* Stack flex items */
    .flex-row-mobile {
        flex-direction: column;
    }
    
    /* Hide decorative elements */
    .decorative-blob,
    .background-pattern {
        display: none;
    }
}

/* Tablet Devices (max-width: 1024px) */
@media (max-width: 1024px) {
    /* Adjust glass card padding */
    .glass-card {
        padding: 1.5rem;
    }
    
    /* Navigation adjustments */
    nav .container {
        padding: 0 1rem;
    }
    
    /* Font size adjustments */
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }
    
    /* Two-column grid */
    .grid-cols-3 {
        grid-template-columns: repeat(2, 1fr) !important;
    }
    
    .grid-cols-4 {
        grid-template-columns: repeat(2, 1fr) !important;
    }
    
    /* Timeline adjustments */
    .timeline {
        padding-left: 1rem;
    }
    
    /* Reduce spacing */
    .space-y-12 > * + * {
        margin-top: 2rem;
    }
    
    /* Touch-friendly spacing */
    button,
    a {
        min-height: 40px;
    }
}

/* Desktop Devices (min-width: 1025px) */
@media (min-width: 1025px) {
    /* Hover effects only on desktop */
    .hover-lift:hover {
        transform: translateY(-4px);
        box-shadow: 0 20px 40px rgba(74, 216, 255, 0.3);
    }
    
    .hover-glow:hover {
        box-shadow: 0 0 30px rgba(74, 216, 255, 0.5);
    }
    
    /* Parallax effects */
    .parallax {
        transform: translateZ(0);
        will-change: transform;
    }
}

/* Touch-specific styles */
@media (hover: none) and (pointer: coarse) {
    /* Remove hover effects on touch devices */
    *:hover {
        background-color: inherit;
        transform: none;
    }
    
    /* Larger touch targets */
    button,
    a,
    input,
    select {
        min-height: 44px;
        padding: 0.75rem 1rem;
    }
    
    /* Disable smooth scroll on touch (performance) */
    html {
        scroll-behavior: auto;
    }
}

/* Landscape mobile */
@media (max-width: 896px) and (orientation: landscape) {
    /* Reduce vertical spacing */
    .py-12 {
        padding-top: 2rem !important;
        padding-bottom: 2rem !important;
    }
    
    /* Compact navigation */
    nav {
        padding: 0.5rem 1rem;
    }
    
    /* Smaller hero */
    .hero-section {
        min-height: 50vh !important;
    }
}

/* Print styles */
@media print {
    /* Hide navigation and interactive elements */
    nav,
    .chatbot-container,
    .neon-btn,
    button {
        display: none !important;
    }
    
    /* Remove backgrounds */
    body {
        background: white;
        color: black;
    }
    
    .glass-card {
        background: white;
        border: 1px solid #ccc;
    }
    
    /* Ensure readability */
    * {
        color: black !important;
    }
}

/* ==========================================================================
   UTILITY CLASSES FOR RESPONSIVE DESIGN
   ========================================================================== */

/* Show/Hide based on screen size */
.mobile-only {
    display: none;
}

.desktop-only {
    display: block;
}

@media (max-width: 640px) {
    .mobile-only {
        display: block;
    }
    
    .desktop-only {
        display: none;
    }
    
    .hide-mobile {
        display: none !important;
    }
}

/* Responsive text alignment */
.text-center-mobile {
    text-align: left;
}

@media (max-width: 640px) {
    .text-center-mobile {
        text-align: center;
    }
}

/* Responsive spacing */
@media (max-width: 640px) {
    .p-mobile-4 {
        padding: 1rem !important;
    }
    
    .m-mobile-0 {
        margin: 0 !important;
    }
}

/* ==========================================================================
   END OF STYLESHEET
   ========================================================================== */