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

:root {
    --bg-primary: #060d1a;
    --bg-secondary: #0a1628;
    --bg-card: rgba(15, 31, 61, 0.6);
    --text-primary: #f0f4ff;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #3b82f6;
    --accent-hover: #60a5fa;
    --accent-subtle: rgba(59, 130, 246, 0.1);
    --border: rgba(59, 130, 246, 0.15);
    --radius: 14px;
    --radius-sm: 8px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.noise {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.035;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 256px 256px;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(6, 13, 26, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 64px;
    position: relative;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
    transition: opacity var(--transition);
}

.logo:hover {
    opacity: 0.8;
}

.logo-img {
    height: 36px;
    width: auto;
    display: block;
}

.logo-text {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 80px 0;
    z-index: 1;
}

.main-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 144px);
    position: relative;
}

.hero {
    text-align: center;
    max-width: 640px;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-block;
    padding: 6px 18px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 500;
    color: var(--accent);
    background: var(--accent-subtle);
    border: 1px solid var(--border);
    margin-bottom: 24px;
    letter-spacing: 0.02em;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.hero-title-highlight {
    background: linear-gradient(270deg, var(--accent), #60a5fa, #93c5fd, var(--accent));
    background-size: 400% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientWalk 4s ease infinite;
}

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

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.15rem);
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 36px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

.hero-subtitle strong {
    color: var(--text-primary);
    font-weight: 600;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 4px 24px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    background: var(--accent-hover);
    box-shadow: 0 6px 32px rgba(59, 130, 246, 0.45);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 16px rgba(59, 130, 246, 0.25);
}

.btn svg {
    flex-shrink: 0;
    transition: transform var(--transition);
}

.btn:hover svg {
    transform: translateX(4px);
}

.footer {
    position: relative;
    z-index: 1;
    padding: 24px 0;
    border-top: 1px solid var(--border);
    background: rgba(6, 13, 26, 0.5);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-copy {
    font-size: 13px;
    color: var(--text-muted);
}

.decor-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid var(--border);
    pointer-events: none;
    z-index: 0;
}

.decor-ring-1 {
    width: 500px;
    height: 500px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: ringPulse 8s ease-in-out infinite;
}

.decor-ring-2 {
    width: 350px;
    height: 350px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: ringPulse 8s ease-in-out infinite 2s;
}

@keyframes ringPulse {
    0%, 100% {
        opacity: 0.3;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 0.6;
        transform: translate(-50%, -50%) scale(1.05);
    }
}

.decor-dots {
    position: absolute;
    pointer-events: none;
    z-index: 0;
}

.decor-dots-1 {
    width: 120px;
    height: 120px;
    top: 15%;
    right: 10%;
    background-image: radial-gradient(circle, var(--border) 1.5px, transparent 1.5px);
    background-size: 20px 20px;
    opacity: 0.4;
}

.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(80px);
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text-secondary);
    pointer-events: none;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 200;
    white-space: nowrap;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    .header-inner {
        height: 56px;
    }

    .logo-icon {
        font-size: 20px;
    }

    .hero-badge {
        font-size: 12px;
        padding: 5px 14px;
    }

    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }

    .decor-ring-1 {
        width: 300px;
        height: 300px;
    }

    .decor-ring-2 {
        width: 200px;
        height: 200px;
    }

    .decor-dots-1 {
        display: none;
    }

    .toast {
        font-size: 12px;
        padding: 10px 18px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }

    .main {
        padding: 64px 0;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }
}