:root {
    --bg-brown: #9c6434;
    --parchment: #f7edd6;
    --panel: #efe1be;
    --ink: #1f1710;
    --accent: #6a1f1f;
    --border: #2a1e14;
    --shadow: rgba(26, 16, 9, 0.18);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 10px;
    background:
        radial-gradient(circle at top, rgba(255, 244, 210, 0.18), transparent 30%),
        linear-gradient(to bottom, #b3733f, var(--bg-brown));
    font-family: Georgia, serif;
    color: var(--ink);
}

.parchment_container {
    display: grid;
    width: min(1150px, 100%);
    margin: 0 auto;
    min-height: 100vh;
    padding: 18px;
    gap: 20px;
    background: var(--parchment);
    border: 3px solid var(--border);
    border-radius: 14px;
    box-shadow: 0 10px 30px var(--shadow);
}

.nav_bar {
    text-align: center;
}

.hamburger {
    display: block;
    width: 100%;
    margin: 0 auto 1rem;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: 8px;
    background: var(--panel);
    font-size: 28px;
    font-family: inherit;
    color: var(--ink);
    cursor: pointer;
}

#nav_links {
    display: none;
    list-style: none;
    padding: 0;
    margin: 0;
    gap: 8px;
    flex-direction: column;
}

#nav_links.show {
    display: flex;
}

.nav_bar ul li {
    margin: 0;
    padding: 0;
}

.nav_bar ul a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 44px;
    padding: 10px 16px;
    background: linear-gradient(to bottom, #f3e4bf, #e2cea0);
    border: 2px solid var(--border);
    border-radius: 8px;
    text-decoration: none;
    color: var(--ink);
    font-size: 1.05rem;
    transition: all 0.15s ease;
}

.nav_bar ul a:hover {
    transform: translateY(-1px);
    background: linear-gradient(to bottom, #f7e9c7, #e7d5ab);
    box-shadow: 0 4px 10px rgba(0,0,0,0.12);
}

hr {
    width: 92%;
    margin: 18px auto 0;
    border: none;
    height: 2px;
    background: linear-gradient(to right, transparent, var(--border), transparent);
}

.page_content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.main_title {
    font-size: clamp(2rem, 5vw, 3rem);
    text-align: center;
}

.content_box {
    width: 100%;
    background: linear-gradient(to bottom, var(--panel), #ead8af);
    border: 3px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 6px 14px rgba(0,0,0,0.08);
}

.raven_heading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
}

.raven_icon {
    font-size: 28px;
    animation: featherFloat 2.4s ease-in-out infinite;
}

.raven_icon.right {
    animation-delay: 0.4s;
}

@keyframes featherFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-6px) rotate(4deg); }
}

.raven_box {
    max-width: 700px;
}

.raven_intro {
    text-align: center;
    font-size: 18px;
    margin-bottom: 20px;
}

.raven_form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.raven_form label {
    font-weight: bold;
    font-size: 18px;
}

.raven_form input,
.raven_form textarea {
    width: 100%;
    padding: 12px;
    font-family: inherit;
    font-size: 16px;
    border: 2px solid var(--border);
    border-radius: 6px;
    background-color: var(--parchment);
}

.raven_form textarea {
    resize: vertical;
    min-height: 160px;
}

.raven_form input:focus,
.raven_form textarea:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(156, 100, 52, 0.25);
}

.send_raven_btn {
    margin-top: 10px;
    align-self: center;
    min-width: 220px;
    padding: 12px 20px;
    border: 2px solid var(--border);
    border-radius: 6px;
    background-color: var(--bg-brown);
    color: var(--parchment);
    font-family: inherit;
    font-size: 20px;
    cursor: pointer;
    transition: transform 0.2s ease, background-color 0.2s ease;
}

.send_raven_btn:hover {
    transform: translateY(-2px);
    background-color: #7f4f29;
}

.send_raven_btn:disabled {
    cursor: not-allowed;
    opacity: 0.95;
}

.send_raven_btn .btn_raven {
    margin-left: 10px;
}

.send_raven_btn.sending .btn_raven {
    animation: ravenFly 1.1s ease-in-out infinite;
}

.send_raven_btn.sent .btn_raven {
    animation: none;
    transform: translateX(6px) translateY(-2px);
}

@keyframes ravenFly {
    0% { transform: translateX(0) translateY(0); }
    50% { transform: translateX(16px) translateY(-10px); }
    100% { transform: translateX(0) translateY(0); }
}

.form_status {
    text-align: center;
    font-size: 16px;
    min-height: 24px;
    margin-top: 8px;
}

@media (min-width: 768px) {
    .hamburger {
        display: none;
    }

    #nav_links {
        display: flex;
        flex-direction: row;
        justify-content: center;
        flex-wrap: wrap;
        gap: 10px;
    }

    .nav_bar ul a {
        width: auto;
        min-width: 150px;
    }
}