.logo a {
    color: var(--text-w);
}



.header {
    background-color: transparent;
}

/* 滿版背景：建議替換為陶畫森林的高清作品圖 */
.fullscreen-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/contact/forest.png') center/cover no-repeat;
    z-index: -1;
}


.hamburger-line {
    background: #5cfcff;
}
.flogo {
  color: var(--bg-b);
}

/* 黑色遮罩增加文字可讀性 */
.fullscreen-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--overlay);
}

.wrapper {
    height: 100vh;
    width: 100%;
    
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;

    background-color: var(--bg-b);
}

.contact-content {
    width: 100%;
    max-width: 1100px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    color: #fff;
    animation: fadeIn 1s ease-out;
    margin-top: 168px;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 左側：品牌感性文字 */
.brand-section {
    padding: 80px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.brand-section h1 {
    font-family: 'Noto Serif TC', serif;
    font-size: 3rem;
    margin: 0 0 20px 0;
    letter-spacing: 0.1em;
}

.brand-section p {
    font-size: 1.1rem;
    line-height: 2;
    font-weight: 300;
    margin-bottom: 40px;
    color: #5cfcff;
}

.contact-info {
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.info-row {
    margin-bottom: 15px;
    display: flex;
    gap: 15px;
}

.info-row span {
    color: var(--clay-brown);
    font-weight: bold;
}

/* 右側：表格 */
.form-section {
    padding: 80px;
}

.form-group {
    margin-bottom: 30px;
    position: relative;
}

.form-group label {
    display: block;
    font-size: 0.75rem;
    color: var(--clay-brown);
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.form-group input, .form-group textarea {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--text-b);
    padding: 10px;
    font-size: 1rem;
    outline: none;
    transition: 0.3s;
}

.form-group input:focus, .form-group textarea:focus {
    border-bottom-color: #fff;
}

.submit-btn {
    width: 100%;
    background: var(--bg-w);
    color: var(--text-b);
    border: none;
    padding: 18px;
    font-family: 'Noto Serif TC', serif;
    font-size: 1rem;
    letter-spacing: 4px;
    cursor: pointer;
    transition: 0.3s;
    margin-top: 20px;
}

.submit-btn:hover {
    color: var(--text-w);
    background: var(--blue);
    letter-spacing: 6px;
}

/* 成功訊息樣式 */
.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    padding: 12px 15px;
    border-radius: 4px;
    margin-bottom: 20px;
    font-size: 14px;
    display: flex;
    align-items: center;
}

/* 錯誤訊息樣式 */
.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    padding: 12px 15px;
    border-radius: 4px;
    margin-bottom: 20px;
    font-size: 14px;
    display: flex;
    align-items: center;
}

input, textarea, select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--line);
    border-radius: 4px;
    font-size: 16px;
    font-family: inherit;
    transition: var(--transition);
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: #fff;
}

@media (max-width: 900px) {
    .wrapper { width: 100%; height: auto; padding: 90px 20px; }
    .contact-content { 
        display: grid;
        grid-template-columns: 1fr; /* 強制一欄 */
        width: 100%;          /* 在手機上留一點左右邊距，不要死貼螢幕 */
        margin: 75px auto;      /* 居中 */
        gap: 30px;           /* 讓上下內容有呼吸空間 */
    }
    .brand-section, .form-section { padding: 40px; }
    body { overflow: auto; }
}


.footer {
    background-color: var(--bg-w);
}