:root {
    --bg: #121212;
    --bg-accent: #2b2b2b;
    --header: #1a1a1a;
    --text: #f0f0f0;
    --dark-text: #888;
    --accent: #136086;
    --accent-focus: #004466;
    --card: #1f1f1f;
}

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

body {
    font-family: "Segoe UI", sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

header {
    background-color: var(--header);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

header h1 {
    font-size: 1.5rem;
    color: var(--accent);
}

nav a {
    margin: 0 1rem;
}

a {
    text-decoration: none;
    color: var(--dark-text);
    transition: color 0.3s;
}

a:hover {
    color: var(--accent);
}

ul {
    list-style-type: disc;
    padding-left: 3rem;
}

.container {
    padding: 2rem;
    max-width: 1000px;
    margin: auto;
}

section {
    margin-bottom: 4rem;
}

.card {
    background-color: var(--card);
    padding: 1.5rem;
    border-radius: 8px;
    margin: 1rem 0;
}

footer {
    background-color: var(--header);
    padding: 1rem;
    text-align: center;
    color: var(--dark-text);
    width: 100%;
    position: fixed;
    bottom: 0;
    left: 0;
}

button {
    background-color: var(--accent);
    color: var(--text);
    border: none;
    border-radius: 6px;
    padding: 0.75rem 1.5rem;
    margin: 0.5rem 0;
    font-size: 1rem;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.2s, color 0.2s, transform 0.1s;
    box-shadow: 0 2px 8px rgba(66, 154, 227, 0.08);
    display: block;
    width: 100%;
    max-width: 400px;
    text-align: left;
}

button:hover, button:focus {
    background-color: var(--accent-focus);
    transform: translateY(-2px) scale(1.03);
    outline: none;
}

#contact form {
    display: flex;
    flex-direction: column;
}

#contact input, #contact textarea {
    padding: 0.75rem;
    margin: 0.5rem 0;
    border: none;
    border-radius: 5px;
    background: var(--bg-accent);
    color: var(--text);
    resize: none;
    overflow: auto;
}

/* DROPDOWN */
.dropdown {
    position: relative;
    display: inline-block;
}

/* BUTTON */
.dropbtn {
    cursor: pointer;
    color: var(--dark-text);
    transition: color 0.3s;
    display: flex;
    align-items: center;
    gap: 6px;
}

.dropbtn:hover {
    color: var(--accent);
}

/* ARROW (right-pointing by default) */
.arrow {
    border: solid var(--dark-text);
    border-width: 0 3px 3px 0;
    display: inline-block;
    padding: 3px;
    transform: rotate(135deg);
    transition: transform 0.25s ease, border-color 0.25s ease;
}

/* ARROW hover color */
.dropdown:hover .arrow {
    border-color: var(--accent);
}

/* WHEN OPEN → DOWN ARROW */
.dropdown:hover .arrow {
    transform: rotate(45deg);
}

/* MENU BOX */
.dropdown-content {
    display: none;
    position: absolute;
    background-color: var(--bg-accent);
    border-radius: 6px;
    min-width: 180px;
    padding: 0.5rem 0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    z-index: 1000;
}

/* LINKS INSIDE DROPDOWN */
.dropdown-content a {
    display: block;
    padding: 0.6rem 1rem;
    color: var(--dark-text);
}

.dropdown-content a:hover {
    background-color: var(--header);
    color: var(--accent);
}

/* SHOW MENU */
.dropdown:hover .dropdown-content {
    display: block;
}

@media (max-width: 600px) {
    nav {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    nav a {
        margin: 0.5rem 0;
    }
}