:root {
    --primary-blue: #0A192F;
    --secondary-blue: #112240;
    --accent-cyan: #64FFDA;
    --text-light: #E6F1FF;
    --text-dim: #8892B0;
    --danger: #FF6B6B;
    --glass-bg: rgba(17, 34, 64, 0.7);
    --glass-border: rgba(100, 255, 218, 0.1);
    --transition: all 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
}

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

body {
    font-family: 'Noto Sans SC', sans-serif;
    background-color: var(--primary-blue);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Background Animation */
.fixed-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, #1a3c6e 0%, #0a192f 100%);
    z-index: -1;
}

canvas {
    display: block;
    mix-blend-mode: screen;
}


/* Navigation */
.glass-nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(10, 25, 47, 0.85);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--glass-border);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-cyan);
    letter-spacing: 1px;
}

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    margin-left: 1.5rem;
    font-size: 0.9rem;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--accent-cyan);
}

.btn-primary {
    border: 1px solid var(--accent-cyan);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    color: var(--accent-cyan) !important;
}

.btn-primary:hover {
    background: rgba(100, 255, 218, 0.1);
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 1.5rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-content h1 {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.hero-content h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    font-weight: 300;
}

.highlight {
    color: var(--text-light);
    position: relative;
    display: inline-block;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 8px;
    background: var(--accent-cyan);
    opacity: 0.3;
    z-index: -1;
}

.gradient-text {
    background: linear-gradient(90deg, #64FFDA, #00B4D8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
}

.btn-hero {
    display: inline-block;
    margin-top: 2rem;
    padding: 1rem 2rem;
    background: transparent;
    border: 2px solid var(--accent-cyan);
    color: var(--accent-cyan);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    transition: var(--transition);
}

.btn-hero:hover {
    background: var(--accent-cyan);
    color: var(--primary-blue);
    box-shadow: 0 0 20px rgba(100, 255, 218, 0.4);
}

/* Section Common */
.section-title {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 3rem;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 4rem 1.5rem;
}

/* Pain Points */
.section-dark {
    background: var(--secondary-blue);
}

.text-danger {
    color: var(--danger);
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.glass-card {
    background: var(--glass-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.05), transparent);
    transform: translateX(-100%);
    transition: 0.5s;
}

.glass-card:hover::before {
    transform: translateX(100%);
}

.glass-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-cyan);
    box-shadow: 0 10px 30px -10px rgba(2, 12, 27, 0.7);
}

.icon-box {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.glass-card h3 {
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.glass-card p {
    color: var(--text-dim);
    font-size: 0.9rem;
}

/* Solution Section */
.section-blue {
    background: linear-gradient(to bottom, #0a192f, #112240);
    position: relative;
}

.solution-flow {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    position: relative;
}

.solution-item {
    background: rgba(17, 34, 64, 0.5);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--accent-cyan);
    margin-bottom: 1rem;
}

.central-hub {
    display: flex;
    justify-content: center;
    padding: 2rem 0;
}

.hub-core {
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, #0a192f 0%, #112240 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    position: relative;
    box-shadow: 0 0 50px rgba(100, 255, 218, 0.2);
    border: 1px solid var(--accent-cyan);
}

.pulse-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 1px solid var(--accent-cyan);
    animation: rotate 10s linear infinite;
}

.pulse-ring::before,
.pulse-ring::after {
    content: '';
    position: absolute;
    width: 140%;
    height: 140%;
    top: -20%;
    left: -20%;
    border-radius: 50%;
    border: 1px dashed rgba(100, 255, 218, 0.3);
    animation: rotate-rev 15s linear infinite;
}

.pulse-ring::after {
    width: 180%;
    height: 180%;
    top: -40%;
    left: -40%;
    border: 1px dotted rgba(100, 255, 218, 0.2);
    animation: rotate 20s linear infinite;
}

.icon-core {
    z-index: 2;
    animation: float 3s ease-in-out infinite;
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

@keyframes rotate-rev {
    0% {
        transform: rotate(360deg);
    }

    100% {
        transform: rotate(0deg);
    }
}

@keyframes float {

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

    50% {
        transform: translateY(-10px);
    }
}

.solution-item.right {
    border-left: none;
    border-right: 4px solid var(--accent-cyan);
    text-align: right;
    align-self: flex-end;
}

/* Download Section */
.section-download {
    background: rgba(10, 25, 47, 0.9);
    padding: 6rem 1.5rem;
    position: relative;
    border-top: 1px solid var(--glass-border);
}

.section-download p {
    color: var(--text-dim);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 3rem;
    background: linear-gradient(90deg, #64FFDA, #00B4D8);
    color: var(--primary-blue);
    font-weight: 700;
    text-decoration: none;
    border-radius: 50px;
    transition: var(--transition);
    border: none;
    font-size: 1.1rem;
}

.btn-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(100, 255, 218, 0.4);
}

.text-center {
    text-align: center;
}

footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-dim);
    font-size: 0.8rem;
    border-top: 1px solid var(--glass-border);
}

/* Mobile Adjustments */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.2rem;
    }

    .hero-content h2 {
        font-size: 1.5rem;
    }

    .nav-links a:not(.btn-primary) {
        display: none;
    }

    .nav-links {
        display: flex;
        gap: 1rem;
    }

    .glass-card:hover {
        transform: none;
    }

    .solution-item.right {
        text-align: left;
        border-right: none;
        border-left: 4px solid var(--accent-cyan);
        align-self: unset;
    }
}