/* =========================================
   Variables & Theme
   ========================================= */
:root {
    /* Zen Dark Theme Colors */
    --bg-primary: #0a0a0b; /* Very deep charcoal/black */
    --bg-secondary: #131416; /* Slightly lighter for contrast sections */
    --bg-card: rgba(255, 255, 255, 0.03); /* Glassmorphism subtle background */
    
    --text-primary: #f0f0f2;
    --text-secondary: #9ca3af; /* Muted grey for descriptions */
    --text-muted: #6b7280;
    
    --accent-color: #5eead4; /* Subtle cyan/teal for tech feel, used sparingly */
    --accent-hover: #2dd4bf;
    
    --border-color: rgba(255, 255, 255, 0.08);

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing & Layout */
    --max-width: 1100px;
    --section-padding: 100px 0;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

/* Subtle Noise Texture for Depth */
.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

.container {
    width: 90%;
    max-width: var(--max-width);
    margin: 0 auto;
}

.section-padding {
    padding: var(--section-padding);
}

.bg-alt {
    background-color: var(--bg-secondary);
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 500;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-weight: 300;
}

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

/* =========================================
   Components
   ========================================= */
/* Section Headers */
.section-header {
    margin-bottom: 4rem;
}

.section-header .line {
    width: 40px;
    height: 2px;
    background-color: var(--accent-color);
    margin-top: 1rem;
    opacity: 0.7;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 4px; /* Slight rounding for elegant modern feel */
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.btn-primary {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.btn-primary:hover {
    background-color: rgba(255,255,255,0.05);
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background-color: rgba(94, 234, 212, 0.05); /* Very subtle accent glow */
}

/* =========================================
   Navigation
   ========================================= */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background-color: rgba(10, 10, 11, 0.7);
    border-bottom: 1px solid rgba(255,255,255,0.03);
    transition: padding var(--transition-fast);
}

.navbar.scrolled {
    padding: 1rem 0;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--text-secondary);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--accent-color);
    transition: width var(--transition-fast);
}

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

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

.btn-contact {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--accent-color);
    padding-bottom: 2px;
}

.btn-contact:hover {
    color: var(--accent-color);
}

/* =========================================
   Hero Section
   ========================================= */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
}

.hero-content {
    max-width: 800px;
}

.greeting {
    font-family: var(--font-heading);
    color: var(--accent-color);
    font-size: 1.1rem;
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
}

.title {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    line-height: 1.1;
}

.subtitle {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-weight: 300;
}

.hero-desc {
    font-size: 1.1rem;
    max-width: 600px;
    margin-bottom: 3rem;
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0.6;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 1px solid var(--text-secondary);
    border-radius: 20px;
    display: block;
    position: relative;
}

.wheel {
    width: 4px;
    height: 4px;
    background: var(--text-secondary);
    border-radius: 50%;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { top: 6px; opacity: 1; }
    100% { top: 20px; opacity: 0; }
}

/* =========================================
   Philosophy Section
   ========================================= */
.philosophy-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    align-items: center;
}

.philosophy-text h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.philosophy-text p {
    font-size: 1.05rem;
}

.philosophy-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: 8px;
    backdrop-filter: blur(10px);
}

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 300;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    line-height: 1;
}

.stat-label {
    color: var(--accent-color);
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* =========================================
   Experience Section (Timeline)
   ========================================= */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 1px;
    background-color: var(--border-color);
}

.timeline-item {
    position: relative;
    padding-left: 3rem;
    margin-bottom: 4rem;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -4px;
    top: 6px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background-color: var(--accent-color);
    box-shadow: 0 0 10px rgba(94, 234, 212, 0.4);
}

.timeline-date {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.timeline-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.2rem;
}

.company {
    font-weight: 300;
    color: var(--text-secondary);
}

.timeline-role {
    font-size: 0.95rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.timeline-content p {
    font-size: 0.95rem;
}

/* =========================================
   My Projects Section
   ========================================= */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    margin-top: 2rem;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    backdrop-filter: blur(10px);
    transition: transform var(--transition-fast), border-color var(--transition-fast);
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

.project-thumb {
    width: 100%;
    height: 180px;
    overflow: hidden;
    position: relative;
}

.project-status {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    z-index: 10;
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.status-live {
    background: rgba(81, 207, 102, 0.15);
    color: #51cf66;
    border-color: rgba(81, 207, 102, 0.3);
}

.status-dev {
    background: rgba(252, 196, 25, 0.15);
    color: #fcc419;
    border-color: rgba(252, 196, 25, 0.3);
}

.status-concept {
    background: rgba(156, 163, 175, 0.15);
    color: #9ca3af;
    border-color: rgba(156, 163, 175, 0.3);
}

.project-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-smooth);
}

.project-card:hover .project-thumb img {
    transform: scale(1.05);
}

.project-info {
    padding: 1.5rem;
}

.project-tag {
    display: inline-block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
    background: rgba(94, 234, 212, 0.1);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
}

.project-info h3 {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin: 0;
}

/* =========================================
   Skills Section
   ========================================= */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.skill-category h3 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.skill-tags span {
    padding: 0.5rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.skill-tags span:hover {
    border-color: var(--accent-color);
    color: var(--text-primary);
}

/* =========================================
   Contact Section & Footer
   ========================================= */
.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 5rem 3rem;
    text-align: center;
    border-radius: 8px;
    backdrop-filter: blur(10px);
    max-width: 700px;
    margin: 0 auto;
}

.contact-card h2 {
    margin-bottom: 1rem;
}

.contact-card p {
    margin: 0 auto 3rem;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color var(--transition-fast), background var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.05);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-submit {
    width: 100%;
    margin-top: 1rem;
}

footer {
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.footer-note {
    font-family: var(--font-heading);
    margin: 0;
}

/* =========================================
   Animations (Intersection Observer targets)
   ========================================= */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s cubic-bezier(0.22, 1, 0.36, 1), transform 1s cubic-bezier(0.22, 1, 0.36, 1);
}

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

/* =========================================
   Responsive Design
   ========================================= */
@media (max-width: 768px) {
    .nav-links {
        display: none; /* Hide on mobile for simplicity, could add hamburger later */
    }
    
    .philosophy-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .contact-links {
        flex-direction: column;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    h2 {
        font-size: 2rem;
    }
}