/* style.css */
@tailwind base;
@tailwind components;
@tailwind utilities;

body {
    -webkit-font-smoothing: antialiased;
    letter-spacing: 0.02em;
    scroll-behavior: smooth;
    
}

/* 漸層與邊框 */
.hero-gradient { background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%); }
.accent-border { border-left: 4px solid #3b82f6; }

/* 進階：圖片懸停放大 */
.hover-zoom { overflow: hidden; }
.hover-zoom img { transition: transform 0.5s ease; }
.hover-zoom:hover img { transform: scale(1.05); }

/* 進階：卡片浮動與陰影 */
.card-hover {
    transition: all 0.3s ease;
}
.card-hover:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
}
/* style.css */

.hero-parallax {
    /* 設定背景圖片，請確認 images 資料夾有這張圖 */
    background-image: url('images/aerial camera.jpg'); 
    background-attachment: fixed; /* 視差滾動的核心：固定背景 */
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
}

/* 黑色半透明遮罩層：確保文字在任何圖片上都清晰 */
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(15, 23, 42, 0.85), rgba(15, 23, 42, 0.4));
    z-index: 1;
}

/* 內容層：確保在遮罩上方 */
.hero-content {
    position: relative;
    z-index: 10;
}
/* style.css */

/* 定義動畫：由下往上浮現 */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

/* 當元素進入視窗時啟動 */
.reveal.active {
    opacity: 1;
    transform: translateY(0);
}
/* style.css */

/* 載入動畫容器 */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #0f172a; /* 使用你原本的深藍色 */
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999; /* 確保在最上層 */
    transition: opacity 0.5s ease;
}

/* 旋轉動畫 */
.loader {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(255, 255, 255, 0.1);
    border-top: 5px solid #3b82f6; /* 亮藍色重點 */
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 載入完成後消失 */
.fade-out {
    opacity: 0;
    pointer-events: none;
}
/* style.css */

/* 載入動畫容器：深藍色背景 */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #0f172a; 
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

/* 呼吸燈動畫效果 */
.logo-pulse {
    /* 將原本的 2s 改為 2.5s，讓呼吸節奏稍微拉長一點更顯大氣 */
    animation: pulse 2.5s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.4;
        transform: scale(0.85);
    }
}

/* 載入完成後的淡出樣式 */
.fade-out {
    opacity: 0;
    pointer-events: none;
}