/* ===========================
   RESET & BASE STYLES
   =========================== */

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

:root {
    /* Color System - Cyber Tech Theme */
    --primary: #00D9FF;
    --primary-dark: #00A8CC;
    --accent: #FF5757;
    --accent-dark: #FF3333;
    --dark: #0A0E27;
    --dark-secondary: #111729;
    --dark-tertiary: #1A1F3A;
    --gray: #6B7299;
    --gray-light: #9CA3C7;
    --white: #FFFFFF;
    --success: #00FFA3;
    --warning: #FFB800;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #00D9FF 0%, #0099FF 100%);
    --gradient-accent: linear-gradient(135deg, #FF5757 0%, #FF3333 100%);
    --gradient-dark: linear-gradient(135deg, #0A0E27 0%, #1A1F3A 100%);
    
    /* Typography */
    --font-primary: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.3);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    background: var(--dark);
    color: var(--white);
    line-height: 1.6;
    font-size: 0.95rem;
    overflow-x: hidden;
}

.container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===========================
   NAVIGATION
   =========================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    backdrop-filter: none;
    border-bottom: none;
    transition: all 0.3s ease;
}

.nav.scrolled {
    background: rgba(5, 7, 20, 0.7);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.nav-container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0.75rem var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 500;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    cursor: pointer;
    letter-spacing: 0.5px;
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    color: var(--gray-light);
    text-decoration: none;
    font-weight: 400;
    font-size: 0.85rem;
    transition: var(--transition-fast);
    position: relative;
}

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

.nav-link::after {
    display: none;
}

.cta-nav {
    color: var(--primary) !important;
    padding: 0.4rem 0.85rem;
    border: 1px solid rgba(0, 217, 255, 0.3);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    font-weight: 500;
}

.cta-nav::after {
    display: none;
}

.cta-nav:hover {
    background: rgba(0, 217, 255, 0.1);
    border-color: var(--primary);
}

/* ===========================
   HERO SECTION
   =========================== */

.hero {
    position: relative;
    min-height: 78vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 80px;
    background: transparent;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--dark);
    z-index: -2;
}

.plexus-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    padding: var(--spacing-md);
}

.hero-image {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: var(--spacing-md);
    border: 4px solid rgb(0, 0, 80);
    box-shadow: 0 8px 32px rgba(0, 0, 80, 0.6);
}

.hero-badge {
    display: inline-block;
    background: rgba(0, 217, 255, 0.1);
    border: 1px solid rgba(0, 217, 255, 0.3);
    color: var(--primary);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.5px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 6vw, 3.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--white) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-name {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3.5vw, 3rem);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--spacing-sm);
}

.hero-subtitle {
    font-size: clamp(1rem, 1.75vw, 1.35rem);
    color: var(--gray-light);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.hero-subtitle-line {
    display: block;
}

.hero-subtitle-line:first-child {
    margin-bottom: var(--spacing-md);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: 0.65rem 1.75rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: all var(--transition-medium);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--dark);
    font-weight: 700;
    box-shadow: 0 4px 20px rgba(0, 217, 255, 0.2);
    opacity: 0.85;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 217, 255, 0.3);
    opacity: 1;
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    border-color: var(--primary);
    background: rgba(0, 217, 255, 0.1);
    transform: translateY(-3px);
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray);
    font-size: 0.85rem;
    font-weight: 500;
}

.scroll-line {
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, var(--primary), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% {
        opacity: 0.3;
        transform: translateY(0);
    }
    50% {
        opacity: 1;
        transform: translateY(10px);
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.8s ease-out;
}

.fade-in-delay-1 {
    animation: fadeIn 0.8s ease-out 0.2s backwards;
}

.fade-in-delay-2 {
    animation: fadeIn 0.8s ease-out 0.4s backwards;
}

.fade-in-delay-3 {
    animation: fadeIn 0.8s ease-out 0.6s backwards;
}

.fade-in-delay-4 {
    animation: fadeIn 0.8s ease-out 0.8s backwards;
}

.fade-in-delay-5 {
    animation: fadeIn 0.8s ease-out 1s backwards;
}

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

/* ===========================
   STATS SECTION
   =========================== */

.stats-section {
    padding: var(--spacing-md) 0 var(--spacing-xl);
    background: transparent;
    margin-top: calc(-1 * var(--spacing-lg));
}

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

.stat-item {
    text-align: center;
    padding: var(--spacing-sm);
    opacity: 1 !important;
    transform: none !important;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.25rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
    padding-bottom: 0.1em;
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    color: var(--gray-light);
    font-size: 0.85rem;
    font-weight: 500;
}

/* ===========================
   SECTION HEADERS
   =========================== */

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-tag {
    display: inline-block;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.section-description {
    font-size: 1rem;
    color: var(--gray-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ===========================
   EARLY LIFE SECTION
   =========================== */

.section-early {
    padding: calc(var(--spacing-xl) * 2.5) 0 var(--spacing-xl);
    background: var(--dark);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-sm) 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, transparent, var(--primary), transparent);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-marker {
    position: absolute;
    left: 50%;
    width: 16px;
    height: 16px;
    background: var(--gradient-primary);
    border-radius: 50%;
    transform: translateX(-50%);
    border: 3px solid var(--dark);
    box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.3);
    z-index: 10;
}

.timeline-content {
    width: calc(50% - 60px);
    background: var(--dark-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-medium);
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-right: auto;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: auto;
}

.timeline-content:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.timeline-age {
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-xs);
}

.timeline-title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.timeline-description {
    color: var(--gray-light);
    line-height: 1.6;
    font-size: 0.9rem;
}

/* ===========================
   PROFESSIONAL SECTION
   =========================== */

.section-professional {
    padding: calc(var(--spacing-xl) * 2.5) 0 var(--spacing-xl);
    background: transparent;
}

.cards-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-width: 1080px;
    margin: 0 auto;
}

.cards-row {
    display: grid;
    width: 100%;
    gap: var(--spacing-md);
}

.cards-row.three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.cards-row.four {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.achievement-card {
    background: var(--dark);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-medium);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: stretch;
}

.achievement-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(0, 217, 255, 0.2);
}

.card-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
    display: block;
}

.card-title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    text-align: left;
    order: -1;
}

.card-description {
    color: var(--gray-light);
    line-height: 1.6;
    font-size: 0.9rem;
    text-align: left;
}

/* ===========================
   CURRENT VENTURE SECTION
   =========================== */

.section-now {
    padding: calc(var(--spacing-xl) * 2.5) 0 var(--spacing-xl);
    background: transparent;
    position: relative;
    overflow: hidden;
}

.section-now::before {
    content: none;
    display: none;
}

.venture-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
}

.venture-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.venture-title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    line-height: 1.1;
}

.venture-subtitle {
    font-size: 1.15rem;
    color: var(--accent);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.venture-description {
    font-size: 1rem;
    color: var(--gray-light);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.venture-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.venture-stat {
    background: var(--dark);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-medium);
}

.venture-stat:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(0, 217, 255, 0.2);
}

.venture-stat-number {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--primary);
    margin-bottom: 0.15rem;
}

.venture-stat-label {
    color: var(--gray-light);
    font-size: 0.85rem;
}

.venture-highlight {
    background: var(--dark-secondary);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--primary);
    box-shadow: 0 20px 40px rgba(0, 217, 255, 0.2);
}

.highlight-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.highlight-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.highlight-list li {
    color: var(--gray-light);
    font-size: 0.9rem;
    line-height: 1.5;
    padding-left: 0.5rem;
}

/* ===========================
   CONNECT SECTION
   =========================== */

.section-connect {
    padding: calc(var(--spacing-xl) * 2.5) 0 var(--spacing-xl);
    background: transparent;
    text-align: center;
}

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

.connect-title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.connect-description {
    font-size: 1rem;
    color: var(--gray-light);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    white-space: nowrap;
}

.connect-links {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.connect-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.85rem 1.75rem;
    background: var(--dark);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--white);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.connect-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    transition: var(--transition-medium);
    z-index: 0;
}

.connect-link:hover::before {
    left: 0;
}

.connect-link.github:hover {
    border-color: var(--primary);
}

.connect-link.linkedin:hover {
    border-color: var(--primary);
}

.connect-link:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.link-icon {
    width: 20px;
    height: 20px;
    position: relative;
    z-index: 1;
}

.connect-link span {
    position: relative;
    z-index: 1;
}

.link-arrow {
    font-size: 1.5rem;
    transition: var(--transition-fast);
}

.connect-link:hover .link-arrow {
    transform: translateX(5px);
}

/* ===========================
   FOOTER
   =========================== */

.footer {
    padding: var(--spacing-lg) 0;
    background: var(--dark);
    border-top: none;
    text-align: center;
}

.footer-content {
    color: var(--gray);
    font-size: 0.9rem;
}

.footer-tagline {
    margin-top: var(--spacing-xs);
    font-weight: 600;
    color: var(--gray-light);
}

/* ===========================
   REVEAL ANIMATIONS
   =========================== */

.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

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

@media (max-width: 968px) {
    .nav-links {
        gap: var(--spacing-md);
    }
    
    .nav-link {
        font-size: 0.8rem;
    }
    
    .cta-nav {
        padding: 0.35rem 0.75rem;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-marker {
        left: 30px;
    }
    
    .timeline-item {
        flex-direction: row !important;
        padding-left: 60px;
    }
    
    .timeline-content {
        width: 100%;
        margin: 0 !important;
    }
    
    .cards-row.three,
    .cards-row.four {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .venture-content {
        grid-template-columns: 1fr;
    }
    
    .venture-stats {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: var(--spacing-sm);
    }
    
    .stat-number {
        font-size: 1.75rem;
    }
}

@media (max-width: 640px) {
    .nav-links {
        display: none;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }
    
    .connect-links {
        flex-direction: column;
        align-items: center;
    }
    
    .connect-link {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .cards-row.three,
    .cards-row.four {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* ===========================
   PERFORMANCE OPTIMIZATIONS
   =========================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}