/* 基本重置和全局樣式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 藍色主色調系統 */
    --primary-blue: #2563eb;
    --secondary-blue: #1d4ed8;
    --light-blue: #3b82f6;
    --dark-blue: #2344af;
    --accent-blue: #60a5fa;
    
    /* Background Gradient Animation 變數 */
    --gradient-background-start: rgb(30, 64, 175);
    --gradient-background-end: rgb(78, 94, 237);
    --first-color: 37, 99, 235;
    --second-color: 59, 130, 246;
    --third-color: 96, 165, 250;
    --fourth-color: 147, 197, 253;
    --fifth-color: 29, 78, 216;
    --pointer-color: 99, 102, 241;
    --size: 80%;
    --blending-value: hard-light;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans TC', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 10px;
}

/* 導航欄樣式 */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 2px 20px rgba(37, 99, 235, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
    gap: 2rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-right: auto;
    order: 1;
}

.logo-image {
    height: 40px;
    width: auto;
    transition: transform 0.3s ease;
}

.logo-image:hover {
    transform: scale(1.05);
}

.nav-logo-text {
    color: var(--primary-blue);
    font-weight: 600;
    font-size: 1.1rem;
    margin: 0;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin-left: auto;
    order: 2;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    font-size: 1.1rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-blue);
}

/* 漢堡選單 */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* 首頁區塊樣式 - 參考資策會官網設計 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
    background: linear-gradient(40deg, var(--gradient-background-start), var(--gradient-background-end));
}

/* 滑鼠聚光燈效果 */
.mouse-spotlight {
    position: absolute;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle at center, rgba(255,255,255,0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    transition: opacity 0.3s ease;
    opacity: 0;
    z-index: 3;
    transform: translate(-50%, -50%);
}

/* 圓圈裝飾 */
.hero-decorations {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 2;
}

.circle-decoration {
    position: absolute;
    width: 300px;
    height: 300px;
    opacity: 0.6;
}

.circle-left {
    top: 20%;
    left: -100px;
    animation: rotateClockwise 300s linear infinite;
}

.circle-right {
    bottom: 20%;
    right: -100px;
    animation: rotateCounterClockwise 250s linear infinite;
}

/* 主要內容容器 */
.hero-container {
    position: relative;
    z-index: 4;
    max-width: 1200px;
    width: 100%;
    padding: 2rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    margin-left: 0;
}

/* 標語區域 */
.hero-slogans {
    margin-bottom: 4rem;
    max-width: 900px;
}

.hero-heading {
    margin-bottom: 2rem;
}

.hero-main-title {
    font-size: 5.0rem;
    font-weight: 900;
    line-height: 1.2;
    margin: 0;
    color: white;
    opacity: 0;
    animation: fadeInUp 1.2s ease forwards;
}

.title-line {
    display: block;
    margin-bottom: 0.5rem;
    color: rgba(255, 255, 255, 0.9);
    font-size: 4.5rem;
    font-weight: 400;
}

.title-highlight {
    display: block;
    position: relative;
}

.highlight-text {
    background: linear-gradient(45deg, #abccf5, #aaabf1, #ccf1e9, #507df8);
    background-size: 300% 300%;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientShift 3s ease-in-out infinite;
    padding: 0;
    border-radius: 0;
    position: relative;
    font-weight: 900;
}

.highlight-text::before {
    display: none;
}

.hero-description {
    font-size: 1.3rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.85);
    max-width: 600px;
    margin: 0;
    opacity: 0;
    animation: fadeInUp 1.2s ease 0.3s forwards;
}

/* 探索按鈕區域 */
.hero-explore {
    position: relative;
    align-self: center;
    width: 100%;
    display: flex;
    justify-content: center;
}

.explore-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 0;
    animation: fadeInUp 1.2s ease 0.6s forwards;
}

.explore-indicator:hover {
    color: white;
    transform: translateY(-5px);
}

.explore-indicator svg {
    animation: bounce 2s ease-in-out infinite;
}

.explore-text {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* 隱藏的 SVG 濾鏡 */
.hidden-svg {
    position: absolute;
    width: 0;
    height: 0;
    overflow: hidden;
}

/* 漸變容器 */
.gradients-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    filter: blur(40px);
    z-index: 1;
}

/* 動態漸變球 */
.gradient-ball {
    position: absolute;
    width: var(--size);
    height: var(--size);
    top: calc(50% - var(--size) / 2);
    left: calc(50% - var(--size) / 2);
    mix-blend-mode: var(--blending-value);
    opacity: 0.8;
}

.gradient-ball-1 {
    background: radial-gradient(circle at center, rgba(var(--first-color), 1) 0%, rgba(var(--first-color), 0) 50%);
    transform-origin: center center;
    animation: float-1 20s ease-in-out infinite;
}

.gradient-ball-2 {
    background: radial-gradient(circle at center, rgba(var(--second-color), 0.8) 0%, rgba(var(--second-color), 0) 50%);
    transform-origin: calc(50% - 400px);
    animation: float-2 18s ease-in-out infinite;
}

.gradient-ball-3 {
    background: radial-gradient(circle at center, rgba(var(--third-color), 0.8) 0%, rgba(var(--third-color), 0) 50%);
    transform-origin: calc(50% + 400px);
    animation: float-3 22s ease-in-out infinite;
}

.gradient-ball-4 {
    background: radial-gradient(circle at center, rgba(var(--fourth-color), 0.8) 0%, rgba(var(--fourth-color), 0) 50%);
    transform-origin: calc(50% - 200px);
    animation: float-4 16s ease-in-out infinite;
    opacity: 0.7;
}

.gradient-ball-5 {
    background: radial-gradient(circle at center, rgba(var(--fifth-color), 0.8) 0%, rgba(var(--fifth-color), 0) 50%);
    transform-origin: calc(50% - 800px) calc(50% + 800px);
    animation: float-5 24s ease-in-out infinite;
}

/* 互動漸變球 */
.interactive-gradient {
    position: absolute;
    width: 100%;
    height: 100%;
    top: -50%;
    left: -50%;
    background: radial-gradient(circle at center, rgba(var(--pointer-color), 0.8) 0%, rgba(var(--pointer-color), 0) 50%);
    mix-blend-mode: var(--blending-value);
    opacity: 0.7;
    transition: transform 0.1s ease;
}
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-blue);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #64748b;
    max-width: 600px;
    margin: 0 auto;
}

/* 團隊成員區塊 */
.team {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    padding: 20px;
}

/* 3D 卡片容器 */
.card-container {
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    perspective: 1000px;
}

.team-member {
    width: 350px;
    height: 450px;
    position: relative;
    transition: all 200ms ease-linear;
    transform-style: preserve-3d;
    cursor: pointer;
}

.card-body {
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    position: relative;
}

/* 卡片內容 - 藍色主題 */
.member-card {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    border-radius: 20px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.2);
    position: relative;
    overflow: hidden;
    transform: translateZ(50px);
}

.member-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    transform: translateZ(-1px);
}

.member-image {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    margin-bottom: 1.5rem;
    overflow: hidden;
    border: 4px solid rgba(255, 255, 255, 0.3);
    transform: translateZ(80px);
    transition: all 0.3s ease;
}

.member-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.member-name {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    transform: translateZ(60px);
    transition: all 0.3s ease;
}

.member-description {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    opacity: 0.9;
    transform: translateZ(40px);
    transition: all 0.3s ease;
}

.member-website {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 25px;
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    transform: translateZ(70px);
}

.member-website:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateZ(80px) translateY(-5px);
    color: white;
    box-shadow: 0 5px 15px rgba(255, 255, 255, 0.2);
}

/* 3D 懸停效果 */
.team-member:hover .member-image {
    transform: translateZ(100px) scale(1.1);
}

.team-member:hover .member-name {
    transform: translateZ(80px) translateY(-5px);
}

.team-member:hover .member-description {
    transform: translateZ(60px);
}

.team-member:hover .member-website {
    transform: translateZ(90px) translateY(-3px);
}

/* 裝飾性漸變背景 */
.member-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    transform: translateZ(-2px);
    pointer-events: none;
}

/* 頁尾樣式 */
.footer {
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--secondary-blue) 100%);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-main {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2rem;
    gap: 3rem;
}

/* 左側：Logo和組織資訊 */
.footer-left {
    flex: 1;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.footer-logo-image {
    height: 60px;
    width: auto;
    filter: brightness(0) invert(1); /* 讓logo變成白色 */
}

.footer-org-info h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0 0 0.25rem 0;
    color: white;
}

.footer-org-info h4 {
    font-size: 1rem;
    font-weight: 400;
    margin: 0;
    color: var(--accent-blue);
}

.footer-divider {
    width: 100%;
    height: 1px;
    background: rgba(255, 255, 255, 0.3);
    margin: 1.5rem 0;
}

.footer-address {
    color: rgba(255, 255, 255, 0.9);
}

.footer-address p {
    margin: 0 0 1rem 0;
    font-size: 0.95rem;
    line-height: 1.5;
}

.footer-website-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-blue);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.footer-website-link:hover {
    color: white;
    transform: translateX(5px);
}

/* 右側：製作者資訊 */
.footer-right {
    flex: 0 0 auto;
    text-align: right;
}

.footer-made-by {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 1rem;
}

.made-by-text {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

.team-name {
    color: var(--accent-blue);
    font-weight: 600;
}

.footer-contact {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

.footer-social {
    display: flex;
    gap: 0.5rem;
}

.social-icon {
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.social-icon:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    color: white;
    transform: translateY(-2px);
}

/* 水平分隔線 */
.footer-divider-horizontal {
    width: 100%;
    height: 1px;
    background: rgba(255, 255, 255, 0.2);
    margin: 2rem 0 1.5rem 0;
}

.footer-bottom {
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* 動畫 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

@keyframes rotateClockwise {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes rotateCounterClockwise {
    from {
        transform: rotate(360deg);
    }
    to {
        transform: rotate(0deg);
    }
}

@keyframes float-1 {
    0%, 50% { transform: rotate(0deg) scale(1); }
    25% { transform: rotate(180deg) scale(1.1); }
    75% { transform: rotate(360deg) scale(0.9); }
    100% { transform: rotate(360deg) scale(1); }
}

@keyframes float-2 {
    0%, 100% { transform: rotate(0deg) translateX(0) scale(1); }
    33% { transform: rotate(120deg) translateX(100px) scale(1.2); }
    66% { transform: rotate(240deg) translateX(-50px) scale(0.8); }
}

@keyframes float-3 {
    0%, 100% { transform: rotate(0deg) translateY(0) scale(1); }
    25% { transform: rotate(90deg) translateY(-80px) scale(1.1); }
    50% { transform: rotate(180deg) translateY(40px) scale(0.9); }
    75% { transform: rotate(270deg) translateY(-40px) scale(1.1); }
}

@keyframes float-4 {
    0%, 100% { transform: rotate(0deg) translate(0, 0) scale(1); }
    20% { transform: rotate(72deg) translate(60px, -30px) scale(1.1); }
    40% { transform: rotate(144deg) translate(-40px, -60px) scale(0.9); }
    60% { transform: rotate(216deg) translate(-80px, 30px) scale(1.2); }
    80% { transform: rotate(288deg) translate(30px, 70px) scale(0.8); }
}

@keyframes float-5 {
    0%, 100% { transform: rotate(0deg) translateX(0) translateY(0) scale(1); }
    16% { transform: rotate(60deg) translateX(-70px) translateY(-40px) scale(1.1); }
    32% { transform: rotate(120deg) translateX(30px) translateY(-80px) scale(0.9); }
    48% { transform: rotate(180deg) translateX(80px) translateY(20px) scale(1.2); }
    64% { transform: rotate(240deg) translateX(-20px) translateY(60px) scale(0.8); }
    80% { transform: rotate(300deg) translateX(-90px) translateY(-20px) scale(1.1); }
}

/* 響應式設計 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .logo-image {
        height: 35px;
    }
    
    .nav-logo-text {
        font-size: 1rem;
    }
    
    .hero-main-title {
        font-size: 3rem;
    }
    
    .title-line {
        font-size: 3rem;
    }
    
    .hero-description {
        font-size: 1.15rem;
        max-width: 100%;
        text-align: center;
        margin: 0 auto;
    }
    
    .hero-container {
        padding: 0 0.5rem;
        align-items: center;
        text-align: center;
    }
    
    .hero-slogans {
        width: 100%;
        text-align: center;
        max-width: 100%;
        margin: 0 auto 4rem auto;
    }
    
    .circle-decoration {
        width: 200px;
        height: 200px;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(37, 99, 235, 0.1);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 1rem 0;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .team-member {
        width: 100%;
        max-width: 350px;
        margin: 0 auto;
    }
    
    .footer-main {
        flex-direction: column;
        gap: 2rem;
    }
    
    .footer-right {
        text-align: left;
    }
    
    .footer-made-by {
        align-items: flex-start;
    }
    
    .footer-contact {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .footer-logo {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .footer-logo-image {
        height: 50px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .gradients-container {
        filter: blur(20px);
    }
}

@media (max-width: 480px) {
    .hero-main-title {
        font-size: 2.5rem;
    }
    
    .title-line {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
        text-align: center;
        max-width: 100%;
        margin: 0 auto;
    }
    
    .hero-slogans {
        margin-bottom: 3rem;
        width: 100%;
        text-align: center;
        max-width: 100%;
        margin: 0 auto 3rem auto;
    }
    
    .hero-container {
        align-items: center;
        text-align: center;
    }
    
    .circle-decoration {
        width: 150px;
        height: 150px;
    }
    
    .logo-image {
        height: 30px;
    }
    
    .nav-logo-text {
        font-size: 0.9rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .footer-logo {
        flex-direction: row;
        align-items: center;
        gap: 0.75rem;
    }
    
    .footer-logo-image {
        height: 40px;
    }
    
    .footer-org-info h3 {
        font-size: 1rem;
    }
    
    .footer-org-info h4 {
        font-size: 0.9rem;
    }
    
    .member-card {
        padding: 1.5rem;
    }
    
    .member-name {
        font-size: 1.5rem;
    }
    
    .member-description {
        font-size: 0.9rem;
    }
}