* {
    box-sizing: border-box;
}

:root {
    --background: #070b12;
    --surface: #0d1420;
    --surface-light: #151f2e;
    --text: #e7edf5;
    --muted: #9aa9ba;

    --accent: #3b82f6;
    --accent-dark: #2563eb;
    --accent-bright: #60a5fa;

    --border: #26364a;

    --page-padding: clamp(1rem, 4vw, 3.5rem);
}

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

  .download-button {
    display: inline-block;
    padding: 10px 20px;
    background-color: #0000FF;
    color: white;
    text-decoration: none;
    border: 2px solid #0000FF;
    border-radius: 5px;
    cursor: pointer;
    font-size: inherit;
    font-weight: bold;
  }

  .accept-button {
    display: inline-block;
    padding: 10px 20px;
    background-color: #000090;
    color: white;
    text-decoration: none;
    border: 2px solid #000090;
    border-radius: 5px;
    cursor: pointer;
    font-size: inherit;
    font-weight: bold;
  }

  .download-button:hover {
    background-color: #000050;
  }

html {
    font-size: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-width: 320px;
    background-color: var(--background);
    color: var(--text);
    font-family: Tahoma, Arial, sans-serif;
    line-height: 1.6;
}

#wrapper {
    min-height: 100vh;

    background-color: var(--surface);

    background-image: url("wrapper.jpg");
    background-repeat: repeat-y;
    background-position: center top;
    background-size: cover;
}


header {
    min-height: clamp(120px, 18vw, 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--page-padding);
    background-color: #060a10;
    border-bottom: 1px solid var(--border);
    color: var(--text);
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: clamp(1.75rem, 5vw, 3.5rem);
    letter-spacing: clamp(0.03em, 0.5vw, 0.08em);
}

header h1 a {
    color: var(--text);
    text-decoration: none;
}


nav {
    background-color: #0a1019;
    border-bottom: 1px solid var(--border);
}

nav ul {
    display: flex;
    flex-direction: column;
    list-style: none;
    margin: 0;
    padding: 0;
}

nav li {
    width: 100%;
    border-bottom: 1px solid var(--border);
}

nav li:last-child {
    border-bottom: none;
}

nav a {
    display: block;
    padding: 0.85rem 1rem;
    color: var(--muted);
    font-size: clamp(0.9rem, 2vw, 1rem);
    font-weight: bold;
    text-decoration: none;
    transition:
        color 0.2s ease,
        background-color 0.2s ease;
}

nav a:visited {
    color: var(--muted);
}

nav a:hover,
nav a:focus {
    color: var(--accent-bright);
    background-color: var(--surface-light);
}

nav a:active {
    color: var(--accent);
}



main {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--page-padding);
    background-color: var(--surface);
}

main h2 {
    margin: clamp(1.5rem, 4vw, 3rem) 0 1rem;
    color: var(--accent-bright);
    font-size: clamp(1.4rem, 3.5vw, 2rem);
    line-height: 1.25;
}

main h3 {
    margin-top: 2rem;
    color: var(--text);
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
}

main h4 {
    margin: 2rem 0 1rem;
    padding: 0.5rem 0.75rem;
    background-color: var(--surface-light);
    border-left: 3px solid var(--accent);
    border-bottom: 1px solid var(--border);
    color: var(--accent-bright);
    font-size: clamp(0.9rem, 2vw, 1rem);
    text-transform: uppercase;
}

main p {
    width: 100%;
    margin: 1rem 0;
    padding: 0;
    color: var(--muted);
    font-size: clamp(0.95rem, 1.8vw, 1.05rem);
}

main ul {
    width: 100%;
    max-width: 800px;
    padding-left: 1.5rem;
    color: var(--muted);
}

#profile {
    height: clamp(160px, 45vh, 300px);
    background-image: url("panorama.jpg");
    background-repeat: no-repeat;
    background-size: contain;
    background-position: center;
    background-color: #0d1420;
}






img {
    display: block;
    max-width: 100%;
    height: auto;
}



.details {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    padding: 1rem 0;
    overflow: auto;
}


#mobile {
    display: inline;
}

#desktop {
    display: none;
}



footer {
    width: 100%;
    padding: 1.25rem var(--page-padding);
    background-color: #060a10;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: clamp(0.7rem, 1.5vw, 0.8rem);
    font-style: italic;
    text-align: center;
}

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

footer a:hover,
footer a:focus {
    color: #93c5fd;
    text-decoration: underline;
}



@media (min-width: 600px) {

    nav ul {
        flex-direction: row;
        justify-content: center;
        flex-wrap: wrap;
    }

    nav li {
        width: auto;
        border-bottom: none;
    }

    nav a {
        padding: 0.9rem clamp(1rem, 3vw, 1.75rem);
    }

    #flow {
        display: flex;
        flex-direction: row;
        flex-wrap: wrap;
        gap: clamp(1rem, 3vw, 2rem);
    }

    #flow > * {
        flex: 1 1 250px;
    }

    .details {
        padding: 1rem;
    }
}



@media (min-width: 900px) {

    #wrapper {
        display: grid;
        grid-template-columns: minmax(180px, 220px) minmax(0, 1fr);
        grid-template-rows: auto 1fr auto;
        grid-template-areas:
            "header header"
            "nav main"
            "footer footer";

        min-height: 100vh;
    }

    header {
        grid-area: header;
    }

    nav {
        grid-area: nav;
        border-right: 1px solid var(--border);
        border-bottom: none;
    }

    nav ul {
        flex-direction: column;
        flex-wrap: nowrap;
    }

    nav li {
        width: 100%;
        border-bottom: 1px solid var(--border);
    }

    nav a {
        padding: 1rem 1.25rem;
        text-align: left;
    }

    main {
        grid-area: main;
        max-width: none;
        min-width: 0;
    }

    #homehero {
        height: clamp(240px, 30vw, 400px);
        margin-top: calc(var(--page-padding) * -1);
    }

    footer {
        grid-area: footer;
    }
}



@media (min-width: 1400px) {

    #wrapper {
        grid-template-columns: 240px minmax(0, 1400px);
        justify-content: center;
    }

    header,
    footer {
        width: 100%;
    }
}


@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    nav a {
        transition: none;
    }
}

a {
    color: #0077cc;
}

a:hover {
    color: #005fa3;
}

html,
body {
    overflow-x: hidden;
}