:root {
    --color-primary: #1a1a1a;
    --color-secondary: #6b7280;
    --color-accent: #6366f1;
    --color-accent-light: #818cf8;
    --color-bg: #ffffff;
    --color-bg-alt: #f9fafb;
    --color-bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --color-border: #e5e7eb;
    --color-text-light: #9ca3af;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --max-width: 1200px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'TASA Orbiter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-primary);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Luckiest Guy', cursive;
    font-weight: 400;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    box-shadow: var(--shadow-sm);
}

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

.nav-brand {
    font-family: 'Luckiest Guy', cursive;
    font-size: 1.25rem;
    font-weight: 400;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-links a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 400;
    transition: var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
    transition: var(--transition);
    border-radius: 2px;
}

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

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 80px;
    position: relative;
    background: linear-gradient(135deg, #f5f7fa 0%, #ffffff 100%);
    overflow: hidden;
}

.hero::before {
    display: none;
    /* Remove old radial gradient */
}

/* Background Elements */
.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.6;
    animation: float-orb 20s infinite ease-in-out;
}

.orb-1 {
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.4) 0%, transparent 70%);
    animation-delay: 0s;
}

.orb-2 {
    bottom: -20%;
    right: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(129, 140, 248, 0.3) 0%, transparent 70%);
    animation-delay: -5s;
    animation-duration: 25s;
}

.orb-3 {
    top: 40%;
    left: 40%;
    width: 30vw;
    height: 30vw;
    background: radial-gradient(circle, rgba(199, 210, 254, 0.3) 0%, transparent 70%);
    animation-delay: -10s;
    animation-duration: 18s;
}

.hero-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(99, 102, 241, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: 0;
    mask-image: radial-gradient(circle at center, black 40%, transparent 90%);
    -webkit-mask-image: radial-gradient(circle at center, black 40%, transparent 90%);
}

@keyframes float-orb {
    0% {
        transform: translate(0, 0);
    }

    33% {
        transform: translate(30px, -50px);
    }

    66% {
        transform: translate(-20px, 20px);
    }

    100% {
        transform: translate(0, 0);
    }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    opacity: 0.7;
    z-index: 10;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--color-secondary);
    border-radius: 13px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background-color: var(--color-secondary);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel 2s infinite;
}

.arrow {
    width: 10px;
    height: 10px;
    border-right: 2px solid var(--color-secondary);
    border-bottom: 2px solid var(--color-secondary);
    transform: rotate(45deg);
    animation: scroll-arrow 2s infinite;
    animation-delay: 0.2s;
}

@keyframes scroll-wheel {
    0% {
        opacity: 1;
        top: 6px;
    }

    100% {
        opacity: 0;
        top: 18px;
    }
}

@keyframes scroll-arrow {
    0% {
        opacity: 0;
        transform: rotate(45deg) translate(-5px, -5px);
    }

    50% {
        opacity: 1;
    }

    100% {
        opacity: 0;
        transform: rotate(45deg) translate(5px, 5px);
    }
}

/* Wave Animation */
.wave {
    background: rgba(99, 102, 241, 0.2);
    border-radius: 1000% 1000% 0 0;
    position: absolute;
    width: 200%;
    height: 15em;
    animation: wave 10s -3s linear infinite;
    transform: translate3d(0, 0, 0);
    opacity: 1;
    bottom: 0;
    left: 0;
    z-index: 1;
    pointer-events: none;
}

.wave:nth-of-type(2) {
    bottom: -1.5em;
    animation: wave 18s linear reverse infinite;
    opacity: 1;
    background: rgba(129, 140, 248, 0.18);
    height: 16em;
}

.wave:nth-of-type(3) {
    bottom: -3em;
    animation: wave 20s -1s reverse infinite;
    opacity: 1;
    background: rgba(199, 210, 254, 0.15);
    height: 17em;
}

@keyframes wave {
    2% {
        transform: translateX(1);
    }

    25% {
        transform: translateX(-25%);
    }

    50% {
        transform: translateX(-50%);
    }

    75% {
        transform: translateX(-25%);
    }

    100% {
        transform: translateX(1);
    }
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-family: 'Luckiest Guy', cursive;
    font-size: clamp(3rem, 8vw, 6.5rem);
    font-weight: 400;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title .split-char {
    -webkit-text-fill-color: var(--color-primary);
    color: var(--color-primary);
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2.5vw, 1.75rem);
    color: var(--color-secondary);
    font-weight: 400;
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    margin-top: var(--spacing-lg);
}

.btn-hero {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    color: white;
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
    box-shadow: var(--shadow-lg);
    border: none;
}

.btn-hero:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 100%);
}

/* Section Styles */
section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    font-family: 'Luckiest Guy', cursive;
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 400;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-lg);
    text-align: center;
    color: var(--color-primary);
    position: relative;
    display: block;
    width: 100%;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
    border-radius: 2px;
}

/* About Section */
.about {
    background-color: var(--color-bg-alt);
}

.about-content {
    max-width: 700px;
    margin: 0 auto;
}

.about-text {
    font-size: 1.125rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about-text-lead {
    font-size: 1.25rem;
    color: var(--color-primary);
    font-weight: 400;
    margin-bottom: var(--spacing-md);
}

.tech-stack {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.tech-stack-title {
    font-family: 'Luckiest Guy', cursive;
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.tech-stack-list {
    font-size: 1rem;
    color: var(--color-text-light);
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', monospace;
    letter-spacing: 0.02em;
}

/* Projects Section */
.projects {
    padding: var(--spacing-xl) 0;
}

.project-card {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    background-color: var(--color-bg);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
    transform: scaleX(0);
    transition: var(--transition);
}

.project-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
    border-color: var(--color-accent);
}

.project-card:hover::before {
    transform: scaleX(1);
}

.project-name {
    font-family: 'Luckiest Guy', cursive;
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.02em;
}

.project-subtitle {
    font-size: 1.25rem;
    color: var(--color-accent);
    font-weight: 400;
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.project-description {
    font-size: 1.125rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.project-description-text {
    font-size: 1.125rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.project-innovation {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--color-bg-alt);
    border-radius: 8px;
    border-left: 3px solid var(--color-accent);
}

.innovation-title {
    font-family: 'Luckiest Guy', cursive;
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.innovation-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.innovation-list li {
    font-size: 1rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
    padding-left: 1.5rem;
    position: relative;
}

.innovation-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
    font-size: 1.25rem;
}

.innovation-list li:last-child {
    margin-bottom: 0;
}

.project-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, var(--color-bg-alt) 0%, #ffffff 100%);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    font-size: 0.875rem;
    color: var(--color-secondary);
    font-weight: 500;
    transition: var(--transition);
}

.badge:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-1px);
}

.project-links {
    margin-top: var(--spacing-md);
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, #2d2d2d 100%);
    color: var(--color-bg);
    box-shadow: var(--shadow-md);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    background: var(--color-bg-alt);
}

/* Contact Section */
.contact {
    background-color: var(--color-bg-alt);
    text-align: center;
}

.contact-text {
    font-size: 1.125rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--color-primary);
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: 500;
    transition: var(--transition);
    padding: 1rem 2rem;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--color-bg-alt) 0%, #ffffff 100%);
    border: 2px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.contact-link:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    background: linear-gradient(135deg, #ffffff 0%, var(--color-bg-alt) 100%);
}

.contact-icon {
    font-size: 1.5rem;
    display: inline-block;
    transition: var(--transition);
}

.contact-link:hover .contact-icon {
    transform: scale(1.1) rotate(5deg);
}

/* Footer */
.footer {
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--color-border);
    text-align: center;
    color: var(--color-secondary);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        gap: var(--spacing-sm);
    }

    .nav-links a {
        font-size: 0.9rem;
    }

    section {
        padding: var(--spacing-lg) 0;
    }

    .project-card {
        padding: var(--spacing-md);
        border-radius: 12px;
    }

    .about-text,
    .about-text-lead,
    .project-description,
    .project-description-text {
        font-size: 1rem;
    }

    .project-subtitle {
        font-size: 1.125rem;
    }

    .tech-stack {
        margin-top: var(--spacing-md);
    }

    .contact-link {
        font-size: 1.125rem;
        padding: 0.875rem 1.5rem;
    }

    .section-title::after {
        width: 40px;
    }
}

@media (max-width: 480px) {
    .navbar .container {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .nav-links {
        gap: var(--spacing-sm);
    }

    .nav-links a {
        font-size: 0.85rem;
    }

    .hero {
        padding-top: 120px;
    }

    .btn-hero {
        padding: 0.875rem 2rem;
        font-size: 1rem;
    }

    .contact-link {
        flex-direction: column;
        gap: 0.5rem;
    }
}