/* ============================================
   MODERN PROJECT DETAIL PAGE - UNIQUE DESIGN
   ============================================ */

/* Container Styles */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Project Details Main */
.project-details {
    padding-top: 80px;
    min-height: 100vh;
    background: linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%);
    position: relative;
    overflow-x: hidden;
}

/* Animated Background Elements */
.project-details::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(19, 124, 197, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(19, 124, 197, 0.03) 0%, transparent 50%);
    z-index: 0;
    pointer-events: none;
    animation: backgroundFloat 20s ease-in-out infinite;
}

@keyframes backgroundFloat {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-20px) scale(1.05); }
}

/* Modern Hero Section with Parallax */
.project-hero {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, 
        rgba(19, 124, 197, 0.05) 0%, 
        rgba(19, 124, 197, 0.02) 50%,
        rgba(255, 255, 255, 0.95) 100%
    );
    padding: 6rem 0;
    margin-bottom: 0;
    overflow: hidden;
    z-index: 1;
}

.project-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle, rgba(19, 124, 197, 0.1) 0%, transparent 70%),
        repeating-linear-gradient(45deg, transparent, transparent 2px, rgba(19, 124, 197, 0.02) 2px, rgba(19, 124, 197, 0.02) 4px);
    animation: rotate 30s linear infinite;
    z-index: 0;
}

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

.project-hero .container {
    position: relative;
    z-index: 2;
    text-align: center;
}

/* Back Button - Modern Style */
.back-to-projects {
    position: absolute;
    top: 2rem;
    left: 2rem;
    color: #333;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    font-weight: 600;
    z-index: 10;
    border: 1px solid rgba(19, 124, 197, 0.1);
}

.back-to-projects:hover {
    color: #137cc5;
    transform: translateX(-8px) scale(1.05);
    box-shadow: 0 8px 30px rgba(19, 124, 197, 0.2);
    background: rgba(255, 255, 255, 1);
}

.back-to-projects i {
    transition: transform 0.3s ease;
}

.back-to-projects:hover i {
    transform: translateX(-3px);
}

/* Project Logo - 3D Effect */
.project-logo {
    max-width: 400px;
    max-height: 200px;
    width: auto;
    height: auto;
    margin: 2rem auto;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    box-shadow: 
        0 20px 60px rgba(19, 124, 197, 0.15),
        0 0 0 1px rgba(19, 124, 197, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    transition: all 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    object-fit: contain;
    display: block;
    position: relative;
    z-index: 1;
}

.project-logo::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, #137cc5, #1a8fe3, #137cc5);
    border-radius: 24px;
    opacity: 0;
    z-index: -1;
    transition: opacity 0.6s ease;
    filter: blur(10px);
}

.project-logo:hover::before {
    opacity: 0.3;
}

.project-logo:hover {
    transform: translateY(-10px) scale(1.05) rotateY(5deg);
    box-shadow: 
        0 30px 80px rgba(19, 124, 197, 0.25),
        0 0 0 1px rgba(19, 124, 197, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

/* Project Title */
.project-hero h1 {
    font-size: 4rem;
    color: #333;
    margin: 2rem 0 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #333 0%, #137cc5 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.8s ease forwards;
    position: relative;
    z-index: 1;
}

/* Project Meta - Modern Pills */
.project-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 2rem;
    position: relative;
    z-index: 1;
}

.project-meta span {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    color: #666;
    font-weight: 500;
    font-size: 0.95rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(19, 124, 197, 0.1);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.project-meta span::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(19, 124, 197, 0.1), transparent);
    transition: left 0.5s ease;
}

.project-meta span:hover::before {
    left: 100%;
}

.project-meta span:hover {
    background: rgba(255, 255, 255, 1);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(19, 124, 197, 0.15);
    color: #137cc5;
    border-color: rgba(19, 124, 197, 0.2);
}

.project-meta span i {
    color: #137cc5;
    font-size: 1rem;
}

.visit-site {
    color: #137cc5;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, #137cc5, #1a8fe3);
    color: white !important;
    border-radius: 50px;
    box-shadow: 0 4px 20px rgba(19, 124, 197, 0.3);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    font-weight: 600;
    position: relative;
    overflow: hidden;
}

.visit-site::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.visit-site:hover::before {
    left: 100%;
}

.visit-site:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 30px rgba(19, 124, 197, 0.4);
}

/* Modern Section Styles */
section {
    margin-bottom: 6rem;
    position: relative;
    z-index: 1;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

section:nth-child(1) { animation-delay: 0.1s; }
section:nth-child(2) { animation-delay: 0.2s; }
section:nth-child(3) { animation-delay: 0.3s; }
section:nth-child(4) { animation-delay: 0.4s; }
section:nth-child(5) { animation-delay: 0.5s; }

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

/* Modern Section Headers */
h2 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 3rem;
    font-weight: 700;
    position: relative;
    padding-bottom: 1.5rem;
    display: inline-block;
}

h2::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #137cc5, #1a8fe3);
    border-radius: 4px;
    animation: expandLine 0.8s ease forwards;
}

@keyframes expandLine {
    from { width: 0; }
    to { width: 80px; }
}

h2::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, rgba(19, 124, 197, 0.2), transparent);
}

/* Project Overview - Glassmorphism Card */
.project-overview {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    border-radius: 32px;
    padding: 4rem;
    box-shadow: 
        0 20px 60px rgba(19, 124, 197, 0.1),
        0 0 0 1px rgba(19, 124, 197, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.5);
    position: relative;
    overflow: hidden;
}

.project-overview::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(19, 124, 197, 0.05) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
    z-index: 0;
}

.project-overview > * {
    position: relative;
    z-index: 1;
}

.project-overview p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: #444;
    margin: 0;
}

/* Modern Showcase Grid */
.project-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.showcase-item {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(19, 124, 197, 0.1);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(19, 124, 197, 0.1);
    position: relative;
}

.showcase-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(19, 124, 197, 0.05) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.5s ease;
    z-index: 1;
}

.showcase-item:hover::before {
    opacity: 1;
}

.showcase-item:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 60px rgba(19, 124, 197, 0.2);
}

.showcase-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.6s ease;
    position: relative;
    z-index: 0;
}

.showcase-item:hover .showcase-image {
    transform: scale(1.1);
}

.showcase-caption {
    padding: 1.5rem;
    text-align: center;
    font-size: 1rem;
    color: #666;
    background: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
    font-weight: 500;
}

/* Challenges Grid - 3D Cards */
.challenges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.challenge-item {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: 
        0 10px 40px rgba(19, 124, 197, 0.1),
        0 0 0 1px rgba(19, 124, 197, 0.05);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.challenge-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, #137cc5, #1a8fe3, #137cc5);
    background-size: 200% 100%;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.6s ease;
    animation: gradientShift 3s ease infinite;
}

.challenge-item:hover::before {
    transform: scaleX(1);
}

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

.challenge-item::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(19, 124, 197, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.challenge-item:hover::after {
    opacity: 1;
}

.challenge-item:hover {
    transform: translateY(-10px) rotateX(5deg);
    box-shadow: 
        0 20px 60px rgba(19, 124, 197, 0.2),
        0 0 0 1px rgba(19, 124, 197, 0.1);
}

.challenge-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, rgba(19, 124, 197, 0.1), rgba(19, 124, 197, 0.05));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    z-index: 1;
    border: 2px solid rgba(19, 124, 197, 0.1);
}

.challenge-icon i {
    font-size: 2rem;
    color: #137cc5;
    transition: all 0.5s ease;
}

.challenge-item:hover .challenge-icon {
    background: linear-gradient(135deg, #137cc5, #1a8fe3);
    transform: scale(1.15) rotate(10deg);
    border-color: #137cc5;
    box-shadow: 0 10px 30px rgba(19, 124, 197, 0.3);
}

.challenge-item:hover .challenge-icon i {
    color: white;
    transform: rotate(-10deg) scale(1.1);
}

.challenge-item h3 {
    font-size: 1.4rem;
    color: #333;
    margin-bottom: 1rem;
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.challenge-item p {
    font-size: 1rem;
    color: #666;
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* Achievements - Animated Counters */
.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.achievement-item {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    padding: 3rem 2rem;
    text-align: center;
    box-shadow: 
        0 10px 40px rgba(19, 124, 197, 0.1),
        0 0 0 1px rgba(19, 124, 197, 0.05);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.achievement-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(19, 124, 197, 0.05) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.achievement-item:hover::before {
    opacity: 1;
}

.achievement-item:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: 0 20px 60px rgba(19, 124, 197, 0.2);
}

.achievement-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(19, 124, 197, 0.1), rgba(19, 124, 197, 0.05));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    z-index: 1;
    border: 3px solid rgba(19, 124, 197, 0.1);
}

.achievement-icon i {
    font-size: 2rem;
    color: #137cc5;
    transition: all 0.5s ease;
}

.achievement-item:hover .achievement-icon {
    background: linear-gradient(135deg, #137cc5, #1a8fe3);
    transform: scale(1.2) rotate(360deg);
    border-color: #137cc5;
    box-shadow: 0 10px 30px rgba(19, 124, 197, 0.4);
}

.achievement-item:hover .achievement-icon i {
    color: white;
    transform: scale(1.1);
}

.achievement-item h3 {
    font-size: 3rem;
    background: linear-gradient(135deg, #137cc5, #1a8fe3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    font-weight: 800;
    position: relative;
    z-index: 1;
    line-height: 1;
}

.achievement-item p {
    font-size: 1rem;
    color: #666;
    line-height: 1.6;
    font-weight: 500;
    position: relative;
    z-index: 1;
}

/* Impact Grid - Modern Cards */
.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.impact-item {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    padding: 3rem;
    text-align: center;
    box-shadow: 0 10px 40px rgba(19, 124, 197, 0.1);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(19, 124, 197, 0.1);
    position: relative;
    overflow: hidden;
}

.impact-item::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(19, 124, 197, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.impact-item:hover::before {
    opacity: 1;
}

.impact-item:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 60px rgba(19, 124, 197, 0.2);
}

.impact-item h3 {
    font-size: 1.5rem;
    background: linear-gradient(135deg, #137cc5, #1a8fe3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.impact-item p {
    font-size: 1rem;
    color: #666;
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* Tools Section - Interactive Tags */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.tool-category {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: 0 10px 40px rgba(19, 124, 197, 0.1);
    border: 1px solid rgba(19, 124, 197, 0.1);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.tool-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(180deg, #137cc5, #1a8fe3);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.5s ease;
}

.tool-category:hover::before {
    transform: scaleY(1);
}

.tool-category:hover {
    transform: translateX(10px);
    box-shadow: 0 15px 50px rgba(19, 124, 197, 0.15);
}

.tool-category h3 {
    font-size: 1.4rem;
    color: #333;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid rgba(19, 124, 197, 0.1);
    font-weight: 700;
    position: relative;
}

.tool-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.tool-tag {
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, rgba(19, 124, 197, 0.1), rgba(19, 124, 197, 0.05));
    color: #137cc5;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 2px solid rgba(19, 124, 197, 0.2);
    position: relative;
    overflow: hidden;
}

.tool-tag::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(19, 124, 197, 0.1);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.5s ease, height 0.5s ease;
}

.tool-tag:hover::before {
    width: 200px;
    height: 200px;
}

.tool-tag:hover {
    background: linear-gradient(135deg, #137cc5, #1a8fe3);
    color: white;
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 8px 25px rgba(19, 124, 197, 0.3);
    border-color: #137cc5;
}

.tool-tag {
    position: relative;
    z-index: 1;
}

/* Project Navigation - Modern Cards */
.project-navigation {
    margin-top: 8rem;
    padding-top: 3rem;
    border-top: 2px solid rgba(19, 124, 197, 0.1);
    position: relative;
}

.project-navigation::before {
    content: '';
    position: absolute;
    top: -2px;
    left: 0;
    width: 100px;
    height: 2px;
    background: linear-gradient(90deg, #137cc5, transparent);
}

.nav-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.nav-project {
    text-decoration: none;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    box-shadow: 0 10px 40px rgba(19, 124, 197, 0.1);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(19, 124, 197, 0.1);
    position: relative;
    overflow: hidden;
}

.nav-project::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(19, 124, 197, 0.05), transparent);
    transition: left 0.6s ease;
}

.nav-project:hover::before {
    left: 100%;
}

.nav-project.prev {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-project.next {
    text-align: right;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.nav-project:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 60px rgba(19, 124, 197, 0.2);
    border-color: rgba(19, 124, 197, 0.2);
}

.nav-label {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 0.5rem;
    display: block;
    font-weight: 500;
    position: relative;
    z-index: 1;
}

.nav-project h3 {
    color: #333;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    position: relative;
    z-index: 1;
    transition: color 0.3s ease;
}

.nav-project:hover h3 {
    color: #137cc5;
}

.nav-project:hover .nav-label {
    color: #137cc5;
}

/* Project Footer */
.project-footer {
    background: linear-gradient(135deg, rgba(19, 124, 197, 0.05), rgba(19, 124, 197, 0.02));
    padding: 4rem 0;
    text-align: center;
    margin-top: 6rem;
    position: relative;
    overflow: hidden;
}

.project-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(19, 124, 197, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(19, 124, 197, 0.05) 0%, transparent 50%);
    z-index: 0;
}

.project-footer .container {
    position: relative;
    z-index: 1;
}

.project-footer p {
    font-size: 1.2rem;
    color: #666;
    margin: 0;
}

.project-footer a {
    color: #137cc5;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
}

.project-footer a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #137cc5;
    transition: width 0.3s ease;
}

.project-footer a:hover::after {
    width: 100%;
}

.project-footer a:hover {
    color: #0e5c91;
}

/* Approach Section */
.project-approach {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    border-radius: 32px;
    padding: 4rem;
    box-shadow: 0 20px 60px rgba(19, 124, 197, 0.1);
    border: 1px solid rgba(19, 124, 197, 0.1);
}

.approach-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: start;
}

.approach-tags {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.approach-tag {
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, rgba(19, 124, 197, 0.1), rgba(19, 124, 197, 0.05));
    border-radius: 12px;
    color: #137cc5;
    font-weight: 600;
    text-align: center;
    transition: all 0.4s ease;
    border: 2px solid rgba(19, 124, 197, 0.2);
}

.approach-tag:hover {
    background: linear-gradient(135deg, #137cc5, #1a8fe3);
    color: white;
    transform: translateX(10px);
}

.approach-description ul {
    list-style: none;
    padding: 0;
}

.approach-description ul li {
    padding: 1rem 0;
    padding-left: 2rem;
    position: relative;
    color: #666;
    line-height: 1.7;
    font-size: 1.05rem;
}

.approach-description ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #137cc5;
    font-weight: bold;
    font-size: 1.2rem;
}

/* Features Section */
.project-features {
    margin-bottom: 6rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-item {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: 0 10px 40px rgba(19, 124, 197, 0.1);
    border: 1px solid rgba(19, 124, 197, 0.1);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(180deg, #137cc5, #1a8fe3);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.5s ease;
}

.feature-item:hover::before {
    transform: scaleY(1);
}

.feature-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 60px rgba(19, 124, 197, 0.2);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, rgba(19, 124, 197, 0.1), rgba(19, 124, 197, 0.05));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: all 0.5s ease;
    border: 2px solid rgba(19, 124, 197, 0.1);
}

.feature-icon i {
    font-size: 2rem;
    color: #137cc5;
    transition: all 0.5s ease;
}

.feature-item:hover .feature-icon {
    background: linear-gradient(135deg, #137cc5, #1a8fe3);
    transform: scale(1.1) rotate(5deg);
    border-color: #137cc5;
}

.feature-item:hover .feature-icon i {
    color: white;
    transform: rotate(-5deg);
}

.feature-item h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 1rem;
    font-weight: 700;
}

.feature-item p {
    font-size: 1rem;
    color: #666;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin-top: 1rem;
}

.feature-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: #666;
    font-size: 0.95rem;
}

.feature-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: #137cc5;
    font-weight: bold;
}

/* Architecture Section */
.project-architecture {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    border-radius: 32px;
    padding: 4rem;
    box-shadow: 0 20px 60px rgba(19, 124, 197, 0.1);
    border: 1px solid rgba(19, 124, 197, 0.1);
    margin-bottom: 6rem;
}

.architecture-content {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.architecture-section {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 16px;
    border-left: 4px solid #137cc5;
    transition: all 0.3s ease;
}

.architecture-section:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: translateX(10px);
}

.architecture-section h3 {
    font-size: 1.4rem;
    color: #137cc5;
    margin-bottom: 1rem;
    font-weight: 700;
}

.architecture-section p {
    font-size: 1.05rem;
    color: #666;
    line-height: 1.8;
    margin-bottom: 0.5rem;
}

/* Process Timeline */
.project-process {
    margin-bottom: 6rem;
}

.process-timeline {
    position: relative;
    padding-left: 3rem;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 1.5rem;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, #137cc5, #1a8fe3);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 3rem;
}

.timeline-marker {
    position: absolute;
    left: -1.5rem;
    top: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #137cc5, #1a8fe3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(19, 124, 197, 0.3);
    z-index: 2;
    transition: all 0.5s ease;
}

.timeline-marker i {
    color: white;
    font-size: 1.5rem;
}

.timeline-item:hover .timeline-marker {
    transform: scale(1.2) rotate(360deg);
    box-shadow: 0 8px 30px rgba(19, 124, 197, 0.5);
}

.timeline-content {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 10px 40px rgba(19, 124, 197, 0.1);
    border: 1px solid rgba(19, 124, 197, 0.1);
    transition: all 0.5s ease;
}

.timeline-item:hover .timeline-content {
    transform: translateX(10px);
    box-shadow: 0 15px 50px rgba(19, 124, 197, 0.15);
}

.timeline-content h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.timeline-date {
    color: #137cc5;
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 1rem;
    display: block;
}

.timeline-content p {
    font-size: 1.05rem;
    color: #666;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.timeline-content ul {
    list-style: none;
    padding: 0;
    margin-top: 1rem;
}

.timeline-content ul li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: #666;
    font-size: 0.95rem;
}

.timeline-content ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #137cc5;
    font-weight: bold;
}

/* Solution Text */
.solution-text {
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(19, 124, 197, 0.05);
    border-radius: 8px;
    border-left: 3px solid #137cc5;
    font-size: 0.95rem;
    line-height: 1.7;
}

.solution-text strong {
    color: #137cc5;
}

/* Impact Metrics */
.impact-metrics {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.metric {
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, rgba(19, 124, 197, 0.1), rgba(19, 124, 197, 0.05));
    border-radius: 20px;
    color: #137cc5;
    font-weight: 600;
    font-size: 0.9rem;
    border: 1px solid rgba(19, 124, 197, 0.2);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .project-hero h1 {
        font-size: 3rem;
    }
    
    .approach-content {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .project-showcase,
    .challenges-grid,
    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .impact-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .project-hero {
        min-height: 60vh;
        padding: 4rem 0;
    }
    
    .project-hero h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .back-to-projects {
        position: relative;
        top: 0;
        left: 0;
        margin-bottom: 2rem;
    }
    
    .project-hero {
        padding: 3rem 0;
        min-height: auto;
    }

    .project-hero h1 {
        font-size: 2rem;
    }
    
    .project-logo {
        max-width: 250px;
        padding: 1.5rem;
    }

    .project-meta {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .project-overview,
    .project-approach,
    .project-architecture {
        padding: 2rem;
        border-radius: 20px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .process-timeline {
        padding-left: 2rem;
    }
    
    .timeline-item {
        padding-left: 2rem;
    }
    
    .timeline-marker {
        width: 50px;
        height: 50px;
        left: -1rem;
    }
    
    .timeline-content {
        padding: 1.5rem;
    }

    .project-showcase,
    .challenges-grid,
    .impact-grid,
    .tools-grid,
    .achievements-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .nav-grid {
        grid-template-columns: 1fr;
    }

    .nav-project.next {
        text-align: left;
        align-items: flex-start;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    section {
        margin-bottom: 4rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .project-hero h1 {
        font-size: 1.75rem;
    }
    
    .project-overview,
    .project-approach {
        padding: 1.5rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .challenge-item,
    .achievement-item,
    .impact-item,
    .tool-category {
        padding: 1.5rem;
    }
}