/* Modern CSS Reset & Variable Definitions */
:root {
    --bg-primary: #050811;
    --bg-secondary: rgba(10, 15, 30, 0.7);
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --accent-indigo: #6366f1;
    --accent-purple: #a855f7;
    --accent-gradient: linear-gradient(135deg, var(--accent-indigo), var(--accent-purple));
    --border-color: rgba(255, 255, 255, 0.07);
    --card-bg: rgba(255, 255, 255, 0.03);
    --glow-color: rgba(99, 102, 241, 0.15);
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

section {
    scroll-margin-top: 100px;
}

/* Ambient Radial Glow and Background Orbs */
.radial-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: radial-gradient(circle at 50% 50%, rgba(13, 20, 40, 0.8) 0%, var(--bg-primary) 100%);
    z-index: -3;
}

.glow-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(140px);
    z-index: -2;
    opacity: 0.4;
    pointer-events: none;
    animation: pulse 12s infinite alternate;
}

#orb-1 {
    top: -10%;
    right: -10%;
    width: 45vw;
    height: 45vw;
    background: var(--accent-indigo);
}

#orb-2 {
    bottom: -15%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: var(--accent-purple);
    animation-delay: 2s;
}

@keyframes pulse {
    0% { transform: scale(1) translate(0, 0); opacity: 0.3; }
    100% { transform: scale(1.15) translate(-3%, 4%); opacity: 0.5; }
}

/* Navigation Header */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(5, 8, 17, 0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    z-index: 100;
    transition: var(--transition-smooth);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.25rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--text-primary);
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
}

.logo-accent {
    color: var(--accent-indigo);
    font-weight: 800;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-smooth);
}

.nav-link:hover {
    color: var(--text-primary);
}

.btn-secondary-nav {
    padding: 0.5rem 1.25rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background-color: rgba(255, 255, 255, 0.05);
}

.btn-secondary-nav:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Main Content Wrapper */
.content-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 8rem 2rem 4rem 2rem;
}

/* UI Elements & Typography */
.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.badge {
    display: inline-block;
    padding: 0.35rem 1rem;
    border-radius: 20px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    color: #818cf8;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 0.5rem;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 3.5rem;
}

/* Glassmorphism Card Style */
.glass-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.2);
    transition: var(--transition-smooth);
}

.glass-card:hover {
    border-color: rgba(255, 255, 255, 0.12);
    box-shadow: 0 12px 40px 0 rgba(99, 102, 241, 0.08);
    transform: translateY(-2px);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 10px;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-primary {
    background: var(--accent-gradient);
    color: #fff;
    border: none;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.25);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
    transform: translateY(-1px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
}

.btn-text {
    background: none;
    border: none;
    color: var(--accent-indigo);
    font-weight: 600;
    cursor: pointer;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.btn-text:hover {
    color: var(--accent-purple);
    padding-left: 4px;
}

/* Hero Section */
.hero-section {
    min-height: calc(100vh - 120px);
    display: flex;
    align-items: center;
    padding: 0;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.25fr 0.75fr;
    gap: 3rem;
    align-items: center;
    width: 100%;
}

.hero-avatar {
    display: flex;
    justify-content: center;
    align-items: center;
}

.avatar-frame {
    width: 250px;
    height: 250px;
    border-radius: 30px;
    overflow: hidden;
    border: 2px solid var(--border-color);
    box-shadow: 0 10px 40px rgba(99, 102, 241, 0.2);
    transform: rotate(3deg);
    transition: var(--transition-smooth);
}

.avatar-frame:hover {
    transform: rotate(0deg) scale(1.02);
    border-color: var(--accent-indigo);
}

.profile-pic {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 25%;
}

.hero-content {
    max-width: 750px;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -1.5px;
    margin-bottom: 1.25rem;
}

.hero-description {
    color: var(--text-secondary);
    font-size: clamp(1rem, 1.5vw, 1.15rem);
    line-height: 1.5;
    margin-bottom: 2rem;
    font-weight: 300;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
}

/* Stats Section */
.stats-section {
    padding: 2rem 0;
    margin-bottom: 6rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.stat-card {
    background: rgba(255, 255, 255, 0.015);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.25rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Projects Section */
.projects-section {
    margin-bottom: 6rem;
}

.projects-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
}

.project-card {
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.project-mockup {
    width: 100%;
    height: 240px;
    object-fit: contain;
    background: rgba(255, 255, 255, 0.015);
    border-radius: 12px;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
    padding: 0.5rem;
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.75rem;
}

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

.project-logo {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    object-fit: cover;
    border: 1px solid var(--border-color);
}

.project-logo-placeholder {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    color: white;
}

.project-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
}

.project-tagline {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(16, 185, 129, 0.1);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.status-closed {
    background: rgba(239, 68, 68, 0.1);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.project-summary {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 2rem;
}

.project-highlights {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.highlight-item {
    border-left: 2px solid var(--accent-indigo);
    padding-left: 1rem;
}

.highlight-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.highlight-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.project-footer {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.tech-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-pills span {
    font-size: 0.75rem;
    padding: 0.2rem 0.6rem;
    background-color: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
}

/* Lab & Experiments Section */
.lab-section {
    margin-bottom: 6rem;
}

.lab-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.lab-card {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: 1.25rem;
}

.lab-header {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.lab-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.lab-badge-tech {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 6px;
    background: rgba(99, 102, 241, 0.05);
    border: 1px solid rgba(99, 102, 241, 0.15);
    color: #818cf8;
    font-size: 0.75rem;
    font-weight: 600;
    width: max-content;
}

.lab-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Framework / Philosophy Section */
.framework-section {
    margin-bottom: 6rem;
}

.framework-content {
    padding: 4rem;
}

.framework-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 3.5rem;
}

.step-card {
    display: flex;
    flex-direction: column;
}

.step-num {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: rgba(99, 102, 241, 0.2);
    margin-bottom: 0.5rem;
}

.step-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.step-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Contact Section */
.contact-section {
    text-align: center;
    padding: 2rem 0;
}

.contact-card {
    max-width: 600px;
    margin: 0 auto;
    padding: 3rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.contact-message {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.6;
}

.contact-links {
    display: flex;
    gap: 1rem;
}

/* Modal Window for Case Studies */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(5, 8, 17, 0.85);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-smooth);
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal-content {
    width: 90%;
    max-width: 750px;
    max-height: 85vh;
    overflow-y: auto;
    padding: 3rem;
    position: relative;
    border-radius: 20px;
    transform: translateY(20px);
    transition: var(--transition-smooth);
}

.modal-overlay.active .modal-content {
    transform: translateY(0);
}

.close-modal-btn {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 2rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-smooth);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.modal-badge {
    display: inline-block;
    padding: 0.2rem 0.75rem;
    border-radius: 12px;
    background: rgba(168, 85, 247, 0.1);
    border: 1px solid rgba(168, 85, 247, 0.2);
    color: #c084fc;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.modal-body-content h2 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    letter-spacing: -0.5px;
}

.modal-intro {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.modal-body-content hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 1.5rem 0;
}

.modal-body-content h4 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    margin: 1.5rem 0 0.5rem 0;
    color: var(--accent-indigo);
}

.modal-body-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.modal-body-content ul {
    margin: 1rem 0 1.5rem 1.5rem;
}

.modal-body-content li {
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.modal-body-content strong {
    color: var(--text-primary);
}

.modal-section {
    margin-bottom: 2.5rem;
}

.modal-body-content h5 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--accent-indigo);
    margin: 1.5rem 0 0.5rem 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    .hero-avatar {
        order: -1;
    }
    .hero-actions {
        justify-content: center;
    }
    .hero-title {
        font-size: 3.2rem;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .projects-container {
        grid-template-columns: 1fr;
    }
    .lab-grid {
        grid-template-columns: 1fr;
    }
    .framework-steps {
        grid-template-columns: repeat(2, 1fr);
        gap: 2.5rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    .hero-title {
        font-size: 2.6rem;
    }
    .section-title {
        font-size: 2rem;
    }
    .framework-content {
        padding: 2rem;
    }
    .framework-steps {
        grid-template-columns: 1fr;
    }
    .modal-content {
        padding: 2rem;
        width: 95%;
    }
    .hero-actions {
        flex-direction: column;
    }
    .contact-links {
        flex-direction: column;
        width: 100%;
    }
}