/* =========================================
   VARIABLES & DESIGN SYSTEM
========================================= */
:root {
    /* Colors */
    --bg-dark: #070914;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --accent-green: #8cc63f; /* Apple Green */
    --accent-blue: #8cc63f; /* Electric Blue overridden by Green */
    --glass-bg: rgba(17, 25, 40, 0.6);
    --glass-border: rgba(255, 255, 255, 0.1);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
    
    /* Shadows */
    --glow-green: 0 0 20px rgba(140, 198, 63, 0.3);
    
    /* Typography */
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* =========================================
   RESET & GLOBAL
========================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

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

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

.text-green { color: var(--accent-green); }
.text-blue { color: var(--accent-blue); }

.w-100 { width: 100%; }

/* Glassmorphism */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
}

/* Decorative Backgrounds */
.bg-shape {
    position: fixed;
    border-radius: 50%;
    filter: blur(100px);
    z-index: -1;
    opacity: 0.5;
}

.bg-shape-1 {
    top: -10%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--accent-blue) 0%, transparent 60%);
}

.bg-shape-2 {
    bottom: -10%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-green) 0%, transparent 60%);
}

/* =========================================
   BUTTONS
========================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
    outline: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 15px rgba(140, 198, 63, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(140, 198, 63, 0.5);
}

.btn-secondary {
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.btn-text {
    color: var(--accent-green);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-text:hover {
    gap: 0.8rem;
}

/* =========================================
   NAVIGATION
========================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    border-radius: 0;
    border-left: none;
    border-right: none;
    border-top: none;
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
    color: var(--text-secondary);
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-smooth);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* =========================================
   SECTIONS GLOBAL
========================================= */
section {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.divider {
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 0 auto;
    border-radius: 2px;
}

/* =========================================
   HERO SECTION
========================================= */
.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 4rem;
    padding-top: 8rem;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: var(--accent-green);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-green);
    animation: pulse 2s infinite;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 90%;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.glowing-orb {
    width: 250px;
    height: 250px;
    background: var(--gradient-primary);
    border-radius: 50%;
    filter: blur(40px);
    opacity: 0.6;
    animation: float 6s ease-in-out infinite;
}

.glass-card {
    position: absolute;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    animation: float 5s ease-in-out infinite;
}

.server-card {
    top: 50px;
    left: 20px;
    z-index: 2;
}

.network-card {
    bottom: 50px;
    right: 20px;
    animation-delay: -2.5s;
}

.server-lights {
    display: flex;
    gap: 5px;
    margin-bottom: 10px;
}

.server-lights span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--text-secondary);
}

.server-lights span:last-child {
    background-color: var(--accent-green);
    box-shadow: 0 0 5px var(--accent-green);
    animation: blink 1s infinite alternate;
}

/* =========================================
   ABOUT SECTION
========================================= */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    color: var(--accent-blue);
    border-radius: 20px;
    position: relative;
    overflow: hidden;
}

.about-image::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(transparent, var(--accent-green), transparent 30%);
    animation: rotate 4s linear infinite;
}

.about-image::after {
    content: '';
    position: absolute;
    inset: 4px;
    background: var(--bg-dark);
    border-radius: 16px;
}

.about-image i {
    z-index: 2;
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: #fff;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 1.05rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.stat-item {
    padding: 1.5rem;
    text-align: center;
}

.stat-item h4 {
    font-size: 2rem;
    color: var(--accent-green);
    margin-bottom: 0.5rem;
}

.stat-item p {
    font-size: 0.9rem;
    margin: 0;
}

/* =========================================
   SKILLS SECTION
========================================= */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.skill-card {
    padding: 2.5rem 2rem;
    transition: var(--transition-smooth);
}

.skill-card:hover {
    transform: translateY(-10px);
    border-color: rgba(140, 198, 63, 0.3);
    box-shadow: var(--glow-green);
}

.skill-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.skill-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
}

.skill-list li {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 0.8rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.skill-list i {
    color: var(--accent-blue);
    font-size: 0.8rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    justify-content: center;
    margin-top: 0.5rem;
}

.skill-tags span {
    padding: 0.4rem 0.8rem;
    background: rgba(140, 198, 63, 0.1);
    color: var(--accent-green);
    border-radius: 20px;
    border: 1px solid rgba(140, 198, 63, 0.3);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: var(--transition-fast);
}

.skill-tags span:hover {
    background: rgba(140, 198, 63, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(140, 198, 63, 0.2);
}

/* =========================================
   PROJECTS SECTION
========================================= */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 2rem;
}

.project-card {
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.project-img-placeholder {
    height: 200px;
    background: rgba(0,0,0,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--glass-border);
}

.project-content {
    padding: 2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.project-tags span {
    font-size: 0.75rem;
    padding: 0.3rem 0.8rem;
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent-green);
    border-radius: 20px;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.project-content h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.project-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    flex: 1;
}

/* =========================================
   CONTACT SECTION
========================================= */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    padding: 3rem;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.contact-methods li {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.contact-methods i {
    font-size: 1.5rem;
    width: 50px;
    height: 50px;
    background: var(--glass-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--glass-border);
}

.contact-methods span {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.2rem;
}

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

.glass-icon {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    transition: var(--transition-smooth);
}

.glass-icon:hover {
    background: var(--gradient-primary);
    transform: translateY(-3px);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.glass-input {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-body);
    transition: var(--transition-fast);
}

.glass-input:focus {
    outline: none;
    border-color: var(--accent-green);
    box-shadow: 0 0 10px rgba(140, 198, 63, 0.1);
    background: rgba(255, 255, 255, 0.05);
}

/* =========================================
   FOOTER
========================================= */
.footer {
    text-align: center;
    padding: 2rem;
    border-top: 1px solid var(--glass-border);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* =========================================
   ANIMATIONS
========================================= */
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(140, 198, 63, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(140, 198, 63, 0); }
    100% { box-shadow: 0 0 0 0 rgba(140, 198, 63, 0); }
}

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

@keyframes blink {
    0% { opacity: 0.5; }
    100% { opacity: 1; }
}

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

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

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* =========================================
   RESPONSIVE
========================================= */
@media (max-width: 992px) {
    .hero, .about-grid, .contact-container {
        grid-template-columns: 1fr;
    }
    
    .hero {
        text-align: center;
        padding-top: 6rem;
    }
    
    .hero-subtitle {
        margin: 0 auto 2rem auto;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .about-image {
        max-width: 300px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-dark);
        flex-direction: column;
        gap: 0;
        border-bottom: 1px solid var(--glass-border);
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
        transition: clip-path 0.4s ease-in-out;
    }
    
    .nav-links.active {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    }
    
    .nav-links a {
        padding: 1.5rem 2rem;
        display: block;
        border-top: 1px solid var(--glass-border);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
}