/* ============================================
   MetaCortex IT Solution - Portfolio Page
   Modern Dark Tech Theme with Gradients
   ============================================ */

/* CSS Variables */
:root {
    --bg-dark: #0a0e17;
    --bg-card: rgba(15, 23, 42, 0.6);
    --bg-glass: rgba(255, 255, 255, 0.05);
    --border-glass: rgba(255, 255, 255, 0.1);
    --primary: #6366f1;
    --primary-light: #818cf8;
    --accent: #22d3ee;
    --accent-green: #34d399;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --gradient-1: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    --gradient-2: linear-gradient(135deg, #22d3ee 0%, #6366f1 100%);
    --gradient-card: linear-gradient(180deg, rgba(99, 102, 241, 0.1) 0%, transparent 100%);
    --shadow-glow: 0 0 60px rgba(99, 102, 241, 0.3);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Outfit', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4 {
    font-family: 'Space Grotesk', sans-serif;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 2px solid var(--border-glass);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 8s ease-in-out infinite;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: var(--primary);
    top: -100px;
    right: -100px;
}

.orb-2 {
    width: 300px;
    height: 300px;
    background: var(--accent);
    bottom: -50px;
    left: -50px;
    animation-delay: -4s;
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -30px); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    animation: fadeUp 1s ease-out;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 50px;
    font-size: 0.875rem;
    color: var(--accent);
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 16px;
}

.hero-subtext {
    font-size: 1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 32px;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 40px;
    border: 2px solid var(--border-glass);
    border-radius: 12px;
}

.scroll-indicator::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--primary);
    border-radius: 2px;
    animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {
    0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0.3; transform: translateX(-50%) translateY(8px); }
}

/* ============================================
   SECTION STYLES
   ============================================ */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    margin-bottom: 12px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* ============================================
   ABOUT OUR WORK
   ============================================ */
.about-section {
    background: var(--bg-card);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-intro {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-industries {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.about-industries strong {
    color: var(--accent);
}

/* ============================================
   PORTFOLIO SECTION
   ============================================ */
.portfolio-section {
    background: linear-gradient(180deg, transparent 0%, rgba(99, 102, 241, 0.03) 50%, transparent 100%);
}

/* ============================================
   PROJECT CARDS
   ============================================ */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 32px;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    border-left: 3px solid var(--primary);
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: var(--shadow-glow);
}

.project-content {
    padding: 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.project-industry {
    font-size: 0.8rem;
    color: var(--accent);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.project-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.project-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    flex: 1;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.tech-tags span {
    padding: 4px 12px;
    background: var(--bg-glass);
    border-radius: 50px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.btn-case-study {
    padding: 12px 20px;
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-case-study:hover {
    background: var(--primary);
    color: white;
}

/* ============================================
   MODAL
   ============================================ */
.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
}

.modal-content {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    max-width: 700px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 40px;
    transform: scale(0.95);
    transition: var(--transition);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    background: rgba(239, 68, 68, 0.2);
    border-color: #ef4444;
}

.case-study-header {
    margin-bottom: 32px;
}

.case-industry {
    font-size: 0.85rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.case-title {
    font-size: 1.75rem;
    margin-top: 8px;
}

.case-section {
    margin-bottom: 24px;
}

.case-section h4 {
    font-size: 1rem;
    color: var(--accent);
    margin-bottom: 8px;
}

.case-section p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.case-section ul {
    list-style: none;
    color: var(--text-secondary);
}

.case-section ul li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 10px;
    line-height: 1.6;
}

.case-section ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary);
}

.modal-tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.modal-tech-tags span {
    padding: 6px 14px;
    background: var(--bg-glass);
    border-radius: 50px;
    font-size: 0.85rem;
}

/* ============================================
   TECH STACK
   ============================================ */
.tech-stack-section {
    background: var(--bg-card);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.tech-expertise-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.tech-expertise-grid .tech-icon {
    justify-self: stretch;
}

.tech-category h4 {
    font-size: 1rem;
    color: var(--accent);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.tech-icons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.tech-icon {
    padding: 12px 20px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.tech-icon:hover {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
    transform: translateY(-2px);
}

/* ============================================
   CLIENT VALUE MESSAGE
   ============================================ */
.value-section {
    background: linear-gradient(180deg, transparent 0%, rgba(99, 102, 241, 0.05) 50%, transparent 100%);
}

.value-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.value-content .section-title {
    margin-bottom: 24px;
}

.value-text {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.value-text:last-child {
    margin-bottom: 0;
}

/* ============================================
   RESULTS & IMPACT
   ============================================ */
.results-section {
    background: linear-gradient(180deg, transparent 0%, rgba(34, 211, 238, 0.05) 50%, transparent 100%);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
}

.stat-card {
    text-align: center;
    padding: 40px 24px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
}

.stat-value {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
    min-height: 3.5rem;
}

.stat-number {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent);
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-suffix {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    margin-top: 8px;
    color: var(--text-secondary);
    font-size: 1rem;
}

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonials-section {
    background: var(--bg-card);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.testimonial-card {
    padding: 32px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.testimonial-card:hover {
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-4px);
}

.testimonial-stars {
    color: #fbbf24;
    font-size: 1.25rem;
    margin-bottom: 16px;
}

.testimonial-text {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 24px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

.testimonial-author strong {
    display: block;
    margin-bottom: 4px;
}

.testimonial-author span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    position: relative;
    padding: 100px 0;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.cta-bg .orb-1 {
    top: 50%;
    left: -100px;
    transform: translateY(-50%);
}

.cta-bg .orb-2 {
    top: 50%;
    right: -100px;
    transform: translateY(-50%);
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.cta-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    margin-bottom: 16px;
}

.cta-text {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.cta-subtext {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: 24px 0;
    text-align: center;
    border-top: 1px solid var(--border-glass);
}

.footer p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.footer a:hover {
    color: var(--primary);
}

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

/* Tablet */
@media (max-width: 1024px) {
    .container {
        padding: 0 20px;
    }

    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

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

    .tech-expertise-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .section-header {
        margin-bottom: 36px;
    }
}

/* Mobile landscape / small tablet */
@media (max-width: 768px) {
    .hero {
        min-height: 90vh;
        padding: 60px 0 40px;
    }

    .hero-badge {
        font-size: 0.8rem;
        padding: 6px 14px;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-subtext {
        font-size: 0.95rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    .approach-list {
        padding: 20px 24px;
    }

    .projects-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .project-content {
        padding: 20px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .stat-card {
        padding: 28px 16px;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .stat-suffix {
        font-size: 1.5rem;
    }

    .testimonial-card {
        padding: 24px;
    }

    .cta-section {
        padding: 60px 0;
    }

    .cta-buttons {
        flex-direction: column;
        gap: 12px;
    }

    .cta-buttons .btn {
        width: 100%;
    }

    .modal {
        padding: 16px;
        align-items: flex-start;
    }

    .modal-content {
        max-height: 85vh;
        padding: 32px 24px 40px;
    }

    .modal-close {
        top: 16px;
        right: 16px;
        width: 36px;
        height: 36px;
        font-size: 1.25rem;
    }

    .case-title {
        font-size: 1.5rem;
    }
}

/* Mobile portrait */
@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    section {
        padding: 48px 0;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .section-subtitle {
        font-size: 1rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 24px;
    }

    .scroll-indicator {
        bottom: 24px;
    }

    .filter-tabs {
        margin-bottom: 24px;
    }

    .filter-btn {
        padding: 8px 14px;
        font-size: 0.8rem;
    }

    .project-title {
        font-size: 1.1rem;
    }

    .project-desc {
        font-size: 0.9rem;
    }

    .stats-grid {
        gap: 16px;
    }

    .stat-card {
        padding: 24px 12px;
    }

    .stat-number {
        font-size: 2.25rem;
    }

    .stat-label {
        font-size: 0.9rem;
    }

    .tech-grid {
        grid-template-columns: 1fr;
    }

    .tech-expertise-grid {
        grid-template-columns: 1fr;
    }

    .tech-icons {
        justify-content: center;
    }

    .value-text {
        font-size: 1rem;
    }

    .modal-content {
        padding: 24px 20px 32px;
    }

    .case-title {
        font-size: 1.35rem;
    }

    .cta-title {
        font-size: 1.5rem;
    }

    .cta-text {
        font-size: 1rem;
    }

    .cta-subtext {
        font-size: 0.9rem;
    }
}

/* Small phones */
@media (max-width: 360px) {
    .container {
        padding: 0 12px;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .filter-btn {
        padding: 6px 12px;
        font-size: 0.75rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .btn {
        padding: 12px 20px;
        font-size: 0.85rem;
    }
}