:root {
    --primary: #ff6b35;
    --primary-dark: #d94820;
    --secondary: #f7931e;
    --accent: #ffa500;
    --dark-bg: #1a1a1a;
    --text: #f5f5f5;
    --text-dim: #b0b0b0;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family:
        -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--dark-bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse at 20% 50%,
            rgba(255, 107, 53, 0.1) 0%,
            transparent 50%),
        radial-gradient(ellipse at 80% 80%,
            rgba(247, 147, 30, 0.05) 0%,
            transparent 50%);
    pointer-events: none;
    z-index: 0;
}

a {
    color: var(--accent);
    text-decoration: none;
}

.wrap {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(26, 26, 26, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 107, 53, 0.2);
    z-index: 100;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-weight: 600;
}

.brand img {
    width: 35px;
    height: 49px;
    filter: brightness(1);
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-text strong {
    font-size: 1.3rem;
    line-height: 1;
    color: white;
}

.brand-text span {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--text-dim);
}

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

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-dim);
    transition: color 0.3s;
    position: relative;
}

.nav-links a::after {
    content: "";
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0.5;
}

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

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

#top {
    padding-top: 4rem;
}

footer {
    text-align: center;
    padding: 4rem 0;
    border-top: 1px solid rgba(255, 107, 53, 0.2);
    color: var(--text-dim);
    font-size: 0.9rem;
}

@media (max-width: 980px) {
    .wrap {
        padding: 0 1rem;
    }
}

@media (max-width: 980px) and (orientation: landscape) {
    .wrap.nav {
        padding-top: 4px;
        padding-bottom: 4px;
    }
}

@media (max-width: 640px) {
    .wrap {
        overflow-x: hidden;
    }

    .nav {
        gap: 0.75rem;
        padding-bottom: 8px;
    }

    .brand {
        padding-top: 6px;
    }

    .nav-links {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 0.3rem 0.6rem;
        width: auto;
    }

    .nav-links a {
        font-size: 0.8rem;
        text-align: center;
        padding: 0.35rem 0.5rem;
    }

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

    footer {
        padding: 2rem 0;
        font-size: 0.8rem;
    }

    #top {
        padding-top: 4rem;
    }
}