:root {
    --primary-color: #0f172a;
    --secondary-color: #3b82f6;
    --text-color: #334155;
    --bg-color: #f8fafc;
    --white: #ffffff;
    --max-width: 1200px;
    --transition: all 0.3s ease;
    --pastel-blue: #bae6fd;
    --silver: #cbd5e1;
    --silver-glow: rgba(203, 213, 225, 0.6);
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--pastel-blue);
}

.no-scroll {
    overflow: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* Header Styling */
header {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    flex-direction: column;
}

.slogan-header {
    font-size: 0.75rem;
    font-weight: 400;
    font-style: italic;
    color: var(--text-color);
    margin-top: -0.25rem;
    opacity: 0.8;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--secondary-color);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary-color);
}

/* Background Layers */
.bg-layer, .sword-bg-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.layer-back {
    z-index: -5;
    background: linear-gradient(135deg, #bae6fd 0%, #7dd3fc 100%);
}

.sword-bg-container {
    z-index: -3;
}

.layer-front {
    z-index: -1;
}

/* Flying Swords */
.sword-wrapper {
    position: absolute;
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sword {
    position: relative;
    width: 120px;
    height: 3px;
    background: linear-gradient(to right, transparent, #f1f5f9 10%, #cbd5e1 50%, #94a3b8 90%, transparent);
    filter: blur(0.5px);
    box-shadow: 0 0 8px rgba(226, 232, 240, 0.4);
}

/* Wuxia Sword Hilt (Decorative Guard) */
.sword::before {
    content: '';
    position: absolute;
    left: 25px;
    top: -8px;
    width: 6px;
    height: 19px;
    background: #94a3b8;
    clip-path: polygon(0% 20%, 50% 0%, 100% 20%, 100% 80%, 50% 100%, 0% 80%);
    box-shadow: 0 0 4px rgba(71, 85, 105, 0.4);
}

/* Wuxia Sword Tassel */
.sword::after {
    content: '';
    position: absolute;
    left: 0px;
    top: 1px;
    width: 15px;
    height: 1px;
    background: linear-gradient(to right, #991b1b, transparent);
    filter: blur(0.5px);
    transform-origin: left center;
    animation: tassel-sway 2s ease-in-out infinite alternate;
}

@keyframes tassel-sway {
    0% { transform: rotate(-5deg); }
    100% { transform: rotate(5deg); }
}

/* Floating Clouds (Organic Shape) */
.cloud {
    position: absolute;
    background: #ffffff;
    border-radius: 50%;
    filter: blur(15px);
    opacity: 0.5;
    z-index: inherit;
}

.cloud::before, .cloud::after {
    content: '';
    position: absolute;
    background: #ffffff;
    border-radius: 50%;
}

/* Base Variation Sizes */
.cloud::before { width: 60%; height: 120%; top: -40%; left: 15%; }
.cloud::after { width: 45%; height: 90%; top: -25%; right: 10%; }

/* Cloud Shape Variations */
.cloud-v1::before { width: 70%; height: 130%; top: -50%; left: 10%; }
.cloud-v1::after { width: 50%; height: 100%; top: -30%; right: 5%; }

.cloud-v2::before { width: 80%; height: 110%; top: -45%; left: 20%; }
.cloud-v2::after { width: 40%; height: 80%; top: -20%; right: 15%; }

.cloud-v3::before { width: 60%; height: 140%; top: -60%; left: 5%; }
.cloud-v3::after { width: 55%; height: 110%; top: -40%; right: 0%; }

.cloud-v4::before { width: 90%; height: 100%; top: -35%; left: 15%; }
.cloud-v4::after { width: 35%; height: 70%; top: -15%; right: 20%; }

.cloud-v5::before { width: 50%; height: 150%; top: -70%; left: 25%; }
.cloud-v5::after { width: 60%; height: 120%; top: -50%; right: -10%; }

.cloud-crisp {
    filter: blur(2px);
}

/* Navigation Buttons (Home) */
.nav-container {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
    z-index: 10;
    text-align: center;
}

.hero-slogan {
    font-size: 2rem;
    font-weight: 300;
    font-style: italic;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    letter-spacing: 1px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.nav-btn {
    display: inline-block;
    padding: 1rem 3rem;
    min-width: 250px;
    text-align: center;
    background: rgba(255, 255, 255, 0.4);
    color: #475569;
    border: 1px solid rgba(148, 163, 184, 0.3);
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    backdrop-filter: blur(8px);
    transition: var(--transition);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.nav-btn:hover {
    background: rgba(255, 255, 255, 0.6);
    border-color: rgba(148, 163, 184, 0.6);
    transform: translateY(-3px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
    color: #1e293b;
}

/* Animations */
@keyframes fly-straight {
    0% {
        left: -150px;
        opacity: 0;
    }
    10% { opacity: var(--max-opacity); }
    90% { opacity: var(--max-opacity); }
    100% {
        left: calc(100% + 150px);
        opacity: 0;
    }
}

@keyframes drift-circular {
    0% {
        transform: translateY(0) translateX(0);
    }
    25% {
        transform: translateY(var(--drift-radius)) translateX(calc(var(--drift-radius) * -0.5));
    }
    50% {
        transform: translateY(0) translateX(calc(var(--drift-radius) * -1));
    }
    75% {
        transform: translateY(calc(var(--drift-radius) * -1)) translateX(calc(var(--drift-radius) * -0.5));
    }
    100% {
        transform: translateY(0) translateX(0);
    }
}

@keyframes drift {
    0% {
        transform: translate(var(--start-x), var(--start-y));
        opacity: 0;
    }
    15% { opacity: 0.6; }
    85% { opacity: 0.6; }
    100% {
        transform: translate(var(--end-x), var(--end-y));
        opacity: 0;
    }
}

/* Sections & Footer */
.section {
    padding: 5rem 2rem;
    max-width: var(--max-width);
    margin: 0 auto;
}

.section-title {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
    text-align: center;
}

footer {
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    color: var(--white);
    padding: 3rem 2rem;
    text-align: center;
    position: relative;
    z-index: 100;
}

.footer-links {
    margin-bottom: 1.5rem;
}

.footer-links a {
    color: #94a3b8;
    margin: 0 1rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--white);
}

/* Content Area Overrides */
main.scrollable {
    position: relative;
    z-index: 50;
    min-height: 80vh;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: block;
    }
}