/* style.css */
:root {
    --bg-dark: #0f1115;
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --primary-color: #6366f1; /* Indigo */
    --primary-hover: #4f46e5;
    --secondary-color: #ec4899; /* Pink */
    
    /* Highlight colors for specific fields */
    --cyber-color: #10b981; /* Emerald/Green */
    --iot-color: #f59e0b; /* Amber/Orange */

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --glass-blur: blur(12px);
    
    --transition: all 0.3s ease;
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
}

/* Background animated shapes */
.bg-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    z-index: -1;
    opacity: 0.4;
    animation: float 20s infinite ease-in-out alternate;
}
.shape1 {
    width: 400px;
    height: 400px;
    background: var(--primary-color);
    top: -100px;
    left: -100px;
}
.shape2 {
    width: 300px;
    height: 300px;
    background: var(--secondary-color);
    top: 40%;
    right: -50px;
    animation-delay: -5s;
}
.shape3 {
    width: 500px;
    height: 500px;
    background: var(--cyber-color);
    bottom: -150px;
    left: 20%;
    opacity: 0.2;
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(50px, 50px) scale(1.1); }
    100% { transform: translate(-50px, 100px) scale(0.9); }
}

/* Reusable Components */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 3rem;
    text-align: center;
    background: linear-gradient(to right, #fff, #9ca3af);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-top: -2rem;
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--glass-shadow);
    padding: 2rem;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 30px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    font-family: 'Outfit', sans-serif;
}
.btn.primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}
.btn.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.6);
}
.btn.secondary {
    background: transparent;
    border: 2px solid var(--text-muted);
    color: var(--text-main);
}
.btn.secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
    padding: 1.5rem 0;
}
nav.scrolled {
    background: rgba(15, 17, 21, 0.8);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    border-bottom: 1px solid var(--glass-border);
}
.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}
.logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: white;
    text-decoration: none;
    font-family: 'Outfit', sans-serif;
}
.logo span {
    color: var(--primary-color);
}
.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}
.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}
.nav-links a:hover {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 10%;
    position: relative;
    padding-top: 80px;
}
.hero-content {
    flex: 1;
    max-width: 600px;
}
.greeting {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.1rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}
.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    margin: 1rem 0;
    line-height: 1.1;
}
.hero h2 {
    font-size: 1.8rem;
    color: var(--text-muted);
    font-weight: 400;
    margin-bottom: 1.5rem;
}
.hero-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}
.hero-desc strong {
    color: var(--text-main);
}
.hero-btns {
    display: flex;
    gap: 1rem;
}

.hero-image {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
    justify-content: center;
    perspective: 1000px;
}
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 320px;
    transform-style: preserve-3d;
    transform: rotateY(-15deg) rotateX(5deg);
    transition: var(--transition);
    box-shadow: var(--glass-shadow);
}
.glass-card:hover {
    transform: rotateY(0deg) rotateX(0deg) scale(1.05);
    border-color: var(--primary-color);
}
.card-2:hover {
    border-color: var(--secondary-color);
}
.icon-large {
    font-size: 3rem;
    color: var(--primary-color);
}
.card-2 .icon-large {
    color: var(--secondary-color);
}
.card-info h3 {
    font-size: 1.1rem;
    margin-bottom: 0.2rem;
}
.card-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* About Section */
.about-content {
    display: flex;
    gap: 3rem;
    align-items: center;
}
.about-text {
    flex: 2;
}
.about-text p {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--text-muted);
}
.about-text strong {
    color: var(--text-main);
}
.about-stats {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}
.stat-item {
    background: rgba(0,0,0,0.2);
    padding: 1.5rem;
    border-radius: 15px;
    text-align: center;
    border: 1px solid var(--glass-border);
}
.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
    font-family: 'Outfit', sans-serif;
    line-height: 1;
}
.stat-text {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0.5rem;
    display: block;
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}
.skill-category {
    transition: var(--transition);
}
.skill-category:hover {
    transform: translateY(-10px);
}
.category-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.category-header i {
    font-size: 2rem;
    color: var(--primary-color);
}
.category-header h3 {
    font-size: 1.2rem;
}
.skill-list {
    list-style: none;
}
.skill-list li {
    margin-bottom: 0.8rem;
    position: relative;
    padding-left: 1.5rem;
    color: var(--text-muted);
}
.skill-list li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* Highlights */
.highlight-skill {
    border: 1px solid rgba(255, 255, 255, 0.15);
}
.cyber-glow:hover {
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.2);
    border-color: var(--cyber-color);
}
.cyber-glow .category-header i, .cyber-glow .skill-list li::before {
    color: var(--cyber-color);
}
.iot-glow:hover {
    box-shadow: 0 10px 30px rgba(245, 158, 11, 0.2);
    border-color: var(--iot-color);
}
.iot-glow .category-header i, .iot-glow .skill-list li::before {
    color: var(--iot-color);
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}
.project-card {
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.project-card:hover {
    transform: translateY(-10px);
}
.project-card.featured {
    grid-column: span 2;
    border: 1px solid rgba(255, 255, 255, 0.15);
}
.project-card.featured.iot-featured:hover {
    border-color: var(--iot-color);
    box-shadow: 0 10px 40px rgba(245, 158, 11, 0.15);
}
.project-card.featured.cyber-featured:hover {
    border-color: var(--cyber-color);
    box-shadow: 0 10px 40px rgba(16, 185, 129, 0.15);
}
.project-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}
.iot-featured .project-badge {
    background: rgba(245, 158, 11, 0.2);
    color: var(--iot-color);
}
.cyber-featured .project-badge {
    background: rgba(16, 185, 129, 0.2);
    color: var(--cyber-color);
}

.project-content h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: white;
}
.project-content p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}
.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: auto;
}
.tech-stack span {
    background: rgba(255, 255, 255, 0.05);
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--text-main);
    font-family: 'Outfit', sans-serif;
}
.iot-featured .tech-stack span { border-bottom: 1px solid var(--iot-color); }
.cyber-featured .tech-stack span { border-bottom: 1px solid var(--cyber-color); }

/* Contact Section */
.contact-wrapper {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}
.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}
.contact-info p {
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}
.contact-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}
.contact-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}
.contact-btn:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-3px);
}
.contact-btn i {
    font-size: 1.4rem;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    border-top: 1px solid var(--glass-border);
    margin-top: 4rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.fade-in.appear {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 120px;
    }
    .hero-content {
        margin-bottom: 3rem;
    }
    .hero-btns {
        justify-content: center;
    }
    .hero-image {
        transform: none;
    }
    .glass-card {
        transform: none !important;
    }
    .about-content {
        flex-direction: column;
    }
    .project-card.featured {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .hero h2 { font-size: 1.3rem; }
    .nav-links { display: none; } /* Mobile menu could be added here */
}