/* GraphRaptor - Modern Styles with Light/Dark Mode */

/* CSS Variables for Theming */
:root {
    /* Light mode colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-tertiary: #64748b;
    --border-color: rgba(15, 23, 42, 0.1);
    --border-color-hover: rgba(15, 23, 42, 0.2);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(15, 23, 42, 0.1);
    --boxes-border: rgb(203, 213, 225);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
}

.dark {
    /* Dark mode colors */
    --bg-primary: #000000;
    --bg-secondary: #0f172a;
    --bg-tertiary: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-tertiary: #94a3b8;
    --border-color: rgba(248, 250, 252, 0.1);
    --border-color-hover: rgba(248, 250, 252, 0.2);
    --glass-bg: rgba(0, 0, 0, 0.5);
    --glass-border: rgba(248, 250, 252, 0.1);
    --boxes-border: rgb(51, 65, 85);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.5);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.7);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.9);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Boxes Background Container */
#boxes-background {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
    pointer-events: none;
}

/* Gradient Overlay for Boxes */
#boxes-background::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, transparent 0%, var(--bg-primary) 100%);
    z-index: 20;
    pointer-events: none;
}

/* Glass Morphism Card */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    transition: all 0.3s ease;
}

.glass-card:hover {
    border-color: var(--border-color-hover);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

/* Navigation */
nav {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(90deg, #3b82f6, #8b5cf6, #ec4899);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Feature Card */
.feature-card {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 2rem;
    transition: all 0.3s ease;
}

.feature-card:hover {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border-color: var(--border-color-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    border-radius: 0.5rem;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(90deg, #3b82f6, #8b5cf6);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.3);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

/* Theme Toggle Button */
#theme-toggle {
    position: relative;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 0.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

#theme-toggle:hover {
    background: var(--bg-secondary);
    border-color: var(--border-color-hover);
    transform: scale(1.05);
}

/* Responsive Container */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Section Spacing */
section {
    position: relative;
    padding: 6rem 0;
    z-index: 10;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Responsive Design */
@media (max-width: 768px) {
    section {
        padding: 4rem 0;
    }
    
    .container {
        padding: 0 1rem;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #3b82f6, #8b5cf6);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #2563eb, #7c3aed);
}

/* Utility Classes */
.relative { position: relative; }
.fixed { position: fixed; }
.absolute { position: absolute; }
.z-0 { z-index: 0; }
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-50 { z-index: 50; }
.hidden { display: none; }
.flex { display: flex; }
.grid { display: grid; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.text-center { text-align: center; }
.font-bold { font-weight: 700; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.shadow-lg { box-shadow: var(--shadow-lg); }
.transition-all { transition: all 0.3s ease; }

/* Image Carousel Styles */
.carousel-wrapper {
    position: relative;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.carousel-scroll {
    display: flex;
    gap: 1.5rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    padding: 1rem 0;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.carousel-scroll::-webkit-scrollbar {
    height: 8px;
}

.carousel-scroll::-webkit-scrollbar-track {
    background: transparent;
}

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

.carousel-scroll::-webkit-scrollbar-thumb:hover {
    background: var(--border-color-hover);
}

.carousel-item {
    flex: 0 0 auto;
    width: 80%;
    max-width: 800px;
    scroll-snap-align: center;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-radius: 1rem;
    overflow: hidden;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
}

.carousel-item:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

.carousel-item img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
    max-height: 600px;
    min-height: 300px;
}

.carousel-caption {
    padding: 1rem 1.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-align: center;
    font-weight: 500;
}

.carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
    color: var(--text-primary);
}

.carousel-nav:hover {
    background: var(--bg-secondary);
    transform: translateY(-50%) scale(1.1);
}

.carousel-prev {
    left: -1.5rem;
}

.carousel-next {
    right: -1.5rem;
}

/* Image Modal Styles */
.image-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
}

.image-modal.active {
    display: flex;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
}

.modal-content {
    position: relative;
    max-width: 95vw;
    max-height: 95vh;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.modal-close {
    position: absolute;
    top: -3rem;
    right: 0;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    color: white;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

#modal-image {
    max-width: 95%;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 0.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.modal-caption {
    color: white;
    font-size: 1rem;
    text-align: center;
    padding: 0.5rem 1rem;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 0.5rem;
    max-width: 600px;
}

.modal-nav {
    display: flex;
    gap: 2rem;
    margin-top: 1rem;
}

.modal-prev,
.modal-next {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    color: white;
}

.modal-prev:hover,
.modal-next:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

/* Email SVG Styles */
a[href^="mailto"] img[src*="email.svg"] {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

a[href^="mailto"]:hover img[src*="email.svg"] {
    opacity: 0.8;
    transform: scale(1.05);
}

/* Responsive Design */
@media (max-width: 768px) {
    .carousel-item {
        width: 90%;
    }

    .carousel-item img {
        max-height: 400px;
        min-height: 200px;
    }

    .carousel-nav {
        width: 2.5rem;
        height: 2.5rem;
    }

    .carousel-prev {
        left: 0.5rem;
    }

    .carousel-next {
        right: 0.5rem;
    }

    #modal-image {
        max-width: 98%;
        max-height: 75vh;
    }

    a[href^="mailto"] img[src*="email.svg"] {
        height: 2rem;
    }
}