:root {
    --bg-color: #05050a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --accent-1: #6d28d9;
    /* Deep Purple */
    --accent-2: #3b82f6;
    /* Bright Blue */
    --accent-3: #ec4899;
    /* Pink */

    --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);

    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Noto Sans JP', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

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

/* Background Animated Blobs */
.blob {
    position: fixed;
    border-radius: 50%;
    filter: blur(100px);
    z-index: -1;
    opacity: 0.5;
    animation: float 20s infinite alternate cubic-bezier(0.4, 0, 0.2, 1);
}

.blob-1 {
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, var(--accent-1), transparent 70%);
}

.blob-2 {
    bottom: -10%;
    right: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, var(--accent-2), transparent 70%);
    animation-delay: -10s;
}

@keyframes float {
    0% {
        transform: translate(0, 0) scale(1);
    }

    100% {
        transform: translate(5%, 10%) scale(1.1);
    }
}

/* Navigation */
.glass-nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    background: rgba(5, 5, 10, 0.5);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 2px;
    background: linear-gradient(45deg, #fff, #a0a0b0);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-family: var(--font-heading);
    font-weight: 600;
    transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
    height: 90vh;
    /* Slightly less than full viewport */
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 2rem;
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 150px;
    background: linear-gradient(to top, var(--bg-color), transparent);
    pointer-events: none;
}

.hero-content {
    max-width: 800px;
    z-index: 10;
}

.glitch {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1rem;
    position: relative;
}

.subtitle {
    font-family: var(--font-heading);
    font-size: clamp(1rem, 2vw, 1.5rem);
    font-weight: 400;
    letter-spacing: 4px;
    color: var(--accent-2);
    margin-bottom: 2rem;
}

.description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-inline: auto;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    color: var(--text-primary);
    text-decoration: none;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.1rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    box-shadow: var(--glass-shadow);
}

.cta-button:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 10px 40px 0 rgba(59, 130, 246, 0.3);
}

.cta-button i {
    transition: transform 0.3s ease;
}

.cta-button:hover i {
    transform: translateX(4px);
}

/* Sections General */
.section {
    padding: 5rem 2rem;
    /* Reduced padding */
    position: relative;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    /* Reduced font size */
    font-weight: 800;
    margin-bottom: 2.5rem;
    /* Reduced margin */
    display: flex;
    align-items: center;
    gap: 1rem;
}

.section-title span {
    font-size: 1.2rem;
    color: var(--accent-1);
    font-weight: 400;
    font-family: var(--font-body);
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-top: -1.5rem;
    margin-bottom: 2.5rem;
    max-width: 600px;
}

/* Grids */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

/* Glass Cards */
.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem;
    /* Reduced padding */
    backdrop-filter: blur(12px);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s ease;
}

.glass-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
    border-color: rgba(255, 255, 255, 0.15);
}

.icon-large {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.gradient-text-1 {
    background: linear-gradient(45deg, var(--accent-1), #a78bfa);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gradient-text-2 {
    background: linear-gradient(45deg, var(--accent-2), #60a5fa);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gradient-text-3 {
    background: linear-gradient(45deg, var(--accent-3), #f472b6);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.glass-card h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.glass-card p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* App Cards */
.app-card {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    padding: 1px;
    /* border gradient illusion */
    background: linear-gradient(45deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0));
    transition: transform 0.4s ease;
}

.app-card:hover {
    transform: translateY(-5px) scale(1.02);
}

.app-card-content {
    background: #0a0a10;
    border-radius: 23px;
    padding: 2.5rem;
    /* Reduced padding */
    height: 100%;
    position: relative;
    z-index: 2;
}

.app-card-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.15;
    z-index: 1;
    transition: opacity 0.4s ease;
}

.app-card:hover .app-card-bg {
    opacity: 0.3;
}

.bg-gradient-1 {
    background: radial-gradient(circle at top right, var(--accent-1), transparent 70%);
}

.bg-gradient-2 {
    background: radial-gradient(circle at top right, var(--accent-3), transparent 70%);
}

.bg-gradient-3 {
    background: radial-gradient(circle at top right, var(--accent-2), transparent 70%);
}

.app-header {
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.app-icon {
    font-size: 3.5rem;
    color: #fff;
    background: var(--glass-bg);
    padding: 1rem;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
}

.app-header h3 {
    font-family: var(--font-heading);
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.2rem 0.8rem;
    border-radius: 12px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-family: var(--font-heading);
    letter-spacing: 1px;
    margin-right: 0.5rem;
}

.badge-dev {
    background: rgba(236, 72, 153, 0.15);
    /* Pinkish accent */
    color: var(--accent-3);
    border: 1px solid rgba(236, 72, 153, 0.3);
    font-family: var(--font-body);
    font-weight: 600;
}

.app-card-content p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.6;
}

.feature-list {
    list-style: none;
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
    font-size: 0.95rem;
    color: #e2e8f0;
}

.feature-list li i {
    color: var(--accent-2);
    font-size: 1.2rem;
    margin-top: 0.1rem;
}

.feature-list strong {
    color: #fff;
    margin-right: 0.3rem;
}

/* Timeline (Tools) */
.timeline {
    position: relative;
    max-width: 800px;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 40px;
    height: 100%;
    width: 2px;
    background: var(--glass-border);
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
    /* Reduced margin */
    padding-left: 80px;
    /* Reduced padding */
}

.timeline-dot {
    position: absolute;
    left: 31px;
    top: 30px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--bg-color);
    border: 4px solid var(--accent-2);
    box-shadow: 0 0 15px var(--accent-2);
    z-index: 2;
}

.dot-color-1 {
    border-color: var(--accent-2);
    box-shadow: 0 0 15px var(--accent-2);
}

.dot-color-2 {
    border-color: var(--accent-3);
    box-shadow: 0 0 15px var(--accent-3);
}

.timeline-content h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: #fff;
}

.timeline-content p strong {
    display: block;
    color: var(--accent-2);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

/* Footer */
.footer {
    padding: 4rem 2rem 2rem;
    /* Reduced padding */
    text-align: center;
    background: linear-gradient(to bottom, transparent, rgba(109, 40, 217, 0.05));
    border-top: 1px solid var(--glass-border);
}

.logo-large {
    font-family: var(--font-heading);
    font-size: 2rem;
    /* Reduced size */
    font-weight: 800;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
    color: rgba(255, 255, 255, 0.8);
}

.footer p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-family: var(--font-body);
    /* Changed to body font for readability */
}

.footer-links {
    margin: 1.5rem 0;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--accent-2);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #fff;
}

.copyright {
    font-size: 0.85rem;
    opacity: 0.6;
}

/* Reveal Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

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

.card-delay-1 {
    transition-delay: 0.1s;
}

.card-delay-2 {
    transition-delay: 0.2s;
}

.card-delay-3 {
    transition-delay: 0.3s;
}

/* Responsive */
@media (max-width: 768px) {
    .section-title {
        font-size: 2.2rem;
    }

    .glitch {
        font-size: 3.5rem;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-dot {
        left: 11px;
    }

    .timeline-item {
        padding-left: 60px;
    }

    .grid-2 {
        grid-template-columns: 1fr;
    }
}
/* Profile Avatar CSS */
.profile-avatar-container {
    width: 150px;
    height: 150px;
    margin: 0 auto 2.5rem;
    border-radius: 50%;
    padding: 3px;
    background: linear-gradient(45deg, var(--accent-1), var(--accent-2));
    box-shadow: 0 10px 30px -10px rgba(109, 40, 217, 0.5);
    position: relative;
    z-index: 10;
}

.profile-avatar {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid var(--bg-color);
    filter: grayscale(100%) contrast(110%);
    transition: filter 0.4s ease, transform 0.4s ease;
}

.profile-avatar:hover {
    filter: grayscale(0%) contrast(100%);
    transform: scale(1.05);
}


/* Custom Nav Logo CSS */
.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    cursor: default;
    transition: transform 0.3s ease;
}

.nav-logo:hover {
    transform: scale(1.02);
}

.nav-logo .logo-text {
    background: linear-gradient(45deg, #fff, #a0a0b0);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-logo .logo-slash {
    font-style: italic;
    font-weight: 900;
    animation: neon-pulse 2s infinite alternate;
}

@keyframes neon-pulse {
    from {
        text-shadow: 0 0 5px rgba(59, 130, 246, 0.5), 0 0 10px rgba(59, 130, 246, 0.3);
    }
    to {
        text-shadow: 0 0 10px rgba(59, 130, 246, 0.8), 0 0 20px rgba(59, 130, 246, 0.5);
    }
}