/* ================================
   MI 3D Solutions - Portfolio CSS
   Modern, Professional Design
   ================================ */

/* ===== CSS Variables ===== */
:root {
    --primary: #0066FF;
    --primary-dark: #0052CC;
    --secondary: #1A1A1A;
    --accent: #00D9FF;
    --accent-glow: rgba(0, 217, 255, 0.3);
    --success: #00C853;
    --bg-dark: #0A0A0A;
    --bg-light: #F8F9FA;
    --bg-card: #FFFFFF;
    --text-primary: #1A1A1A;
    --text-secondary: #6B7280;
    --text-light: #9CA3AF;
    --border: #E5E7EB;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
    --gradient-primary: linear-gradient(135deg, #0066FF 0%, #00D9FF 100%);
    --gradient-dark: linear-gradient(135deg, #1A1A1A 0%, #2D2D2D 100%);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* ===== Reset & Base ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: #FFFFFF;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    width: 90%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ===== Header Styles ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--dark-color);
    transition: var(--transition);
}



.logo:hover {
    transform: translateY(-2px);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-toggle span {
    width: 25px;
    height: 3px;
    background: var(--dark-color);
    border-radius: 3px;
    transition: var(--transition);
}
.mobile-menu {
    display: none;
    font-size: 1.5rem;
    color: var(--dark);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}


.nav-list {
    display: flex;
    list-style: none;
    gap: 40px;
    align-items: center;
}

/* .nav-list a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

.nav-list a:hover,
.nav-list a.active {
    color: var(--primary-color);
}

.nav-list a:hover::after,
.nav-list a.active::after {
    width: 100%;
} */

.btn-nav {
    background: var(--gradient-primary);
    color: var(--white) !important;
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 600;
}

.btn-nav::after {
    display: none;
}

.btn-nav:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
/* ===== Portfolio Hero ===== */
.portfolio-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-dark);
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 102, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 217, 255, 0.1) 0%, transparent 50%),
        linear-gradient(180deg, #0A0A0A 0%, #1A1A1A 100%);
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(0, 102, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 102, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    padding: 100px 0;
}

.hero-text {
    color: white;
}

.hero-label {
    display: inline-block;
    background: rgba(0, 217, 255, 0.1);
    color: var(--accent);
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 24px;
    border: 1px solid rgba(0, 217, 255, 0.3);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
}

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

.hero-description {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 10px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
}

.btn-light {
    background: white;
    color: var(--primary);
}

.btn-light:hover {
    background: var(--bg-light);
    transform: translateY(-3px);
}

.btn-outline {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
}

.hero-visual {
    position: relative;
    height: 500px;
}

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: white;
    box-shadow: var(--shadow-xl);
}

.floating-card i {
    font-size: 2.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.card-1 {
    top: 20%;
    left: 10%;
    animation: float 6s ease-in-out infinite;
}

.card-2 {
    top: 50%;
    right: 10%;
    animation: float 6s ease-in-out infinite 2s;
}

.card-3 {
    bottom: 10%;
    left: 30%;
    animation: float 6s ease-in-out infinite 4s;
}

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

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translate(-50%, 0); }
    50% { transform: translate(-50%, 10px); }
}

/* ===== Section Styles ===== */
.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-label {
    display: inline-block;
    background: rgba(0, 102, 255, 0.1);
    color: var(--primary);
    padding: 6px 18px;
    border-radius: 30px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.section-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* ===== Portfolio Section ===== */
.portfolio-section {
    padding: 120px 0;
    background: var(--bg-light);
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 60px;
}

.filter-btn {
    padding: 12px 24px;
    background: white;
    border: 2px solid var(--border);
    border-radius: 30px;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--gradient-primary);
    border-color: var(--primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 40px;
}

.portfolio-item {
    background: var(--bg-card);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.portfolio-image {
    position: relative;
    overflow: hidden;
    height: 280px;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.05);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.7) 100%);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 30px;
    opacity: 0;
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

.action-btn {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.action-btn:hover {
    background: white;
    transform: scale(1.1);
}

.portfolio-category {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 0.8rem;
    font-weight: 600;
    align-self: flex-start;
}

.portfolio-info {
    padding: 30px;
}

.portfolio-info h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.portfolio-info p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.7;
}

.portfolio-meta {
    display: flex;
    gap: 20px;
    border-top: 1px solid var(--border);
    padding-top: 20px;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-light);
    font-size: 0.9rem;
}

.meta-item i {
    color: var(--primary);
    font-size: 0.85rem;
}

/* ===== Case Studies ===== */
.case-studies-section {
    padding: 120px 0;
}

.case-studies-grid {
    display: flex;
    flex-direction: column;
    gap: 100px;
}

.case-study {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.case-study-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.case-study-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.case-study:hover .case-study-image img {
    transform: scale(1.05);
}

.case-study-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--gradient-primary);
    color: white;
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 0.8rem;
    font-weight: 600;
}

.case-study-content h3 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.case-study-excerpt {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
    line-height: 1.8;
}

.case-study-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.stat {
    text-align: center;
    padding: 25px;
    background: var(--bg-light);
    border-radius: 12px;
    transition: var(--transition);
}

.stat:hover {
    background: white;
    box-shadow: var(--shadow-md);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.case-study-features {
    list-style: none;
    margin-bottom: 30px;
}

.case-study-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    color: var(--text-secondary);
}

.case-study-features i {
    color: var(--success);
    font-size: 0.9rem;
}

/* ===== Industries Section ===== */
.industries-section {
    padding: 120px 0;
    background: var(--bg-light);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.industry-card {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 50px 40px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.industry-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition);
}

.industry-card:hover {
    border-color: var(--primary);
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.industry-card:hover::before {
    transform: scaleX(1);
}

.industry-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    transition: var(--transition);
}

.industry-card:hover .industry-icon {
    transform: rotate(360deg) scale(1.1);
}

.industry-icon i {
    font-size: 2rem;
    color: white;
}

.industry-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.industry-card p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.8;
}

.industry-count {
    display: inline-block;
    background: rgba(0, 102, 255, 0.1);
    color: var(--primary);
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
}

/* ===== CTA Section ===== */
.cta-section {
    padding: 120px 0;
    background: var(--bg-dark);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 30% 50%, rgba(0, 102, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 70% 50%, rgba(0, 217, 255, 0.15) 0%, transparent 50%);
}

.cta-content {
    position: relative;
    text-align: center;
    color: white;
}

.cta-content h2 {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 24px;
}

.cta-content p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== Footer ===== */
.footer {
    background: var(--secondary);
    color: white;
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 50px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-logo i {
    font-size: 2rem;
    color: var(--accent);
}

.footer-desc {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 24px;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.7);
}

.contact-item i {
    color: var(--accent);
    font-size: 1rem;
}

.footer-col h4 {
    font-size: 1.2rem;
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 12px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background: var(--accent);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
}

/* ===== Modal ===== */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    border-radius: 20px;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--shadow-xl);
}

.close-modal {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 2rem;
    color: var(--text-light);
    cursor: pointer;
    z-index: 2001;
    transition: var(--transition);
}

.close-modal:hover {
    color: var(--primary);
}

.modal-body {
    padding: 40px;
}

/* ===== Responsive Design ===== */
@media (max-width: 1200px) {
    .portfolio-grid {
        grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
        gap: 30px;
    }
}

@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
        padding: 80px 0;
    }

    .hero-visual {
        height: 400px;
        order: -1;
    }

    .case-study {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }

    .case-study-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .mobile-toggle {
        display: flex;
    }
    
    .nav {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--white);
        transition: var(--transition);
        box-shadow: var(--shadow-lg);
    }
    
    .nav.active {
        left: 0;
    }
    
    .nav-list {
        flex-direction: column;
        padding: 40px 20px;
        gap: 0;
    }
    
    .nav-list li {
        width: 100%;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }
    
    .nav-list a {
        display: block;
        padding: 15px 0;
    }
    
    .hero-about {
        height: 60vh;
        min-height: 400px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .story-images {
        height: 400px;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
}
@media (max-width: 480px) {
    .hero-content {
        padding: 60px 0;
    }

    .hero-visual {
        height: 300px;
    }

    .hero-label,
    .section-label {
        font-size: 0.75rem;
        padding: 6px 15px;
    }

    .hero-description,
    .section-description,
    .case-study-excerpt {
        font-size: 1rem;
    }

    .portfolio-item,
    .industry-card {
        padding: 25px 20px;
    }

    .portfolio-image {
        height: 220px;
    }

    .portfolio-overlay {
        padding: 20px;
    }

    .action-btn {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .case-study-content h3 {
        font-size: 1.8rem;
    }

    .stat {
        padding: 20px;
    }

    .stat-number {
        font-size: 1.75rem;
    }

    .floating-card {
        padding: 15px;
        font-size: 0.8rem;
    }

    .floating-card i {
        font-size: 1.5rem;
    }

    .card-1 {
        left: 5%;
    }

    .card-2 {
        right: 5%;
    }

    .card-3 {
        left: 20%;
    }

    .hero-scroll {
        bottom: 20px;
        font-size: 0.75rem;
    }

    .modal-content {
        margin: 10% auto;
        width: 95%;
    }

    .modal-body {
        padding: 30px 20px;
    }
}