/* ===== CSS Variables ===== */
:root {
    --primary-color: #ff6b9d;
    --primary-dark: #e91e63;
    --secondary-color: #7c4dff;
    --accent-color: #00bcd4;
    --bg-dark: #0a0a1a;
    --bg-card: rgba(255, 255, 255, 0.05);
    --bg-glass: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow-glow: 0 0 40px rgba(255, 107, 157, 0.3);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* ===== Background Effects ===== */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(255, 107, 157, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(124, 77, 255, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(0, 188, 212, 0.1) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

/* ===== Navbar ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 5%;
    background: rgba(10, 10, 26, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    font-size: 1.8rem;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.brand-text {
    font-size: 1.3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 20px;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
    background: var(--bg-glass);
}

.nav-link.highlight {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    box-shadow: 0 4px 15px rgba(255, 107, 157, 0.4);
}

.nav-link.highlight:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 157, 0.5);
}

/* Mobile Navigation */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 26, 0.95);
    backdrop-filter: blur(20px);
    padding: 20px;
    flex-direction: column;
    gap: 15px;
    z-index: 999;
    transform: translateY(-100%);
    transition: var(--transition);
}

.mobile-menu.active {
    transform: translateY(0);
}

.mobile-link {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 15px 20px;
    border-radius: 12px;
    background: var(--bg-card);
    text-align: center;
    transition: var(--transition);
}

.mobile-link:hover, .mobile-link.active {
    background: var(--bg-glass);
    color: var(--text-primary);
}

.mobile-link.highlight {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 5% 50px;
    position: relative;
    z-index: 2;
}

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

.avatar-container {
    position: relative;
    display: inline-block;
    margin-bottom: 30px;
}

.avatar {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
    position: relative;
    z-index: 2;
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.avatar-glow {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    filter: blur(20px);
    opacity: 0.5;
    z-index: 1;
    animation: glow 3s ease-in-out infinite alternate;
}

@keyframes glow {
    0% { opacity: 0.3; transform: scale(0.9); }
    100% { opacity: 0.6; transform: scale(1.1); }
}

.hero-title {
    margin-bottom: 20px;
}

.greeting {
    display: block;
    font-size: 1.2rem;
    font-weight: 300;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.name {
    display: block;
    font-size: 3.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradient 5s ease infinite;
}

@keyframes gradient {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 25px;
    letter-spacing: 3px;
}

.hero-quote {
    font-size: 1rem;
    color: var(--text-muted);
    font-style: italic;
    max-width: 500px;
    margin: 0 auto 40px;
    padding: 20px;
    border-left: 3px solid var(--primary-color);
    background: var(--bg-card);
    border-radius: 0 12px 12px 0;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 14px 35px;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 4px 20px rgba(255, 107, 157, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(255, 107, 157, 0.5);
}

.btn-secondary {
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--bg-card);
    border-color: var(--primary-color);
    transform: translateY(-3px);
}

/* ===== Tools Section ===== */
.tools-section {
    padding: 80px 5%;
    position: relative;
    z-index: 2;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.tool-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 35px;
    text-align: center;
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.tool-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.tool-card.coming-soon {
    opacity: 0.6;
    pointer-events: none;
}

.tool-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.tool-title {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.tool-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ===== Footer ===== */
.footer {
    padding: 40px 5%;
    text-align: center;
    border-top: 1px solid var(--border-color);
    position: relative;
    z-index: 2;
}

.footer-content p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.footer-powered {
    font-size: 0.8rem !important;
    opacity: 0.7;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .mobile-menu {
        display: flex;
    }
    
    .name {
        font-size: 2.5rem;
    }
    
    .hero-quote {
        font-size: 0.9rem;
        padding: 15px;
    }
    
    .avatar {
        width: 120px;
        height: 120px;
        font-size: 48px;
    }
    
    .btn {
        padding: 12px 25px;
        font-size: 0.9rem;
    }
}