/* ========================================
   1. 全站基礎設定
======================================== */

*,
*::before,
*::after {
    box-sizing: border-box;
}

* {
    margin: 0;
    padding: 0;
}

@font-face {
    font-family: "Noto Sans TC";
    src: url("./fonts/NotoSansTC-VariableFont_wght.ttf")
         format("truetype");
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 20px;
}

body {
    font-family: "Noto Sans TC", Arial,
                 "Microsoft JhengHei", sans-serif;
    background-color: white;
    color: #1e293b;
    line-height: 1.6;
}

img {
    display: block;
    max-width: 100%;
    height: auto;
}

a {
    -webkit-tap-highlight-color: transparent;
}

:focus-visible {
    outline: 3px solid #397e78;
    outline-offset: 4px;
}

/* ========================================
   2. 導覽列
======================================== */

nav {
    background-color: #FCFBF7;
    padding: 20px clamp(16px, 3vw, 40px);

    display: flex;
    justify-content: flex-end;
    align-items: center;
    flex-wrap: wrap;

    column-gap: clamp(16px, 2.5vw, 48px);
    row-gap: 12px;
}

nav a {
    color: black;
    text-decoration: none;
    font-size: clamp(14px, 1.1vw, 18px);
    font-weight: 450;
    white-space: nowrap;

    transition: color 0.2s ease;
}

nav a:hover {
    color: #397e78;
}

/* ========================================
   3. 首頁 Hero
======================================== */

#home {
    background-color: white;
    text-align: center;
}

.hero {
    position: relative;
    height: min(780px, 85svh);
    min-height: 500px;
    overflow: hidden;
}

.hero-images {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    height: 100%;
    width: 100%;
}

.hero-images img {
    width: 100%;
    height: 100%;
    min-height: 0;
    object-fit: cover;
    filter: brightness(0.45);
}

.hero-text {
    position: absolute;
    z-index: 1;

    top: 76%;
    left: 50%;
    transform: translate(-50%, -50%);

    width: min(92%, 1000px);
    text-align: center;
    color: white;
}

.hero-text h1 {
    color: #f3ecd7;
    font-size: clamp(28px, 3.5vw, 56px);
    font-weight: 750;
    line-height: 1.3;
    text-wrap: balance;
}

.hero-text p {
    color: #e4d45f;
    font-size: clamp(17px, 2vw, 30px);
    font-weight: 650;
    line-height: 1.5;
    margin-top: 8px;
}

/* ========================================
   4. 共用預約按鈕
======================================== */

.booking-btn {
    display: inline-block;

    background-color: #408a87;
    color: white;
    border: 2px solid transparent;

    padding: 16px 32px;
    border-radius: 10px;

    font-size: clamp(16px, 1.2vw, 20px);
    font-weight: 600;
    line-height: 1.5;
    text-decoration: none;
    text-align: center;

    margin-top: 28px;

    transition:
        background-color 0.25s ease,
        color 0.25s ease,
        transform 0.25s ease;
}

.booking-btn:hover {
    background-color: #2d6663;
    transform: translateY(-3px);
}

/* 首頁使用透明米白色按鈕 */
.hero .booking-btn {
    background-color: transparent;
    color: #f3ecd7;
    border-color: #f3ecd7;
}

.hero .booking-btn:hover {
    background-color: #f3ecd7;
    color: #252525;
}

/* ========================================
   5. 個人介紹
======================================== */

#about {
    display: flex;
    align-items: center;
    padding: 80px 24px;
    background-color: white;
}

.introduceMe {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: clamp(24px, 3vw, 56px);

    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
}

.introduceMe-image {
    flex: 0 1 45%;
    min-width: 0;
}

.introduceMe-image img {
    width: 100%;
    height: auto;
    border-radius: 25px;
    border: 3px solid #dee9ff;
}

.introduceMe-text {
    flex: 1;
    min-width: 0;
    text-align: left;
}

.introduceMe-text h2 {
    color: #0a0a0a;
    font-size: clamp(30px, 3vw, 48px);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 24px;
}

.introduceMe-text h3 {
    color: #0a0a0a;
    font-size: clamp(23px, 2.2vw, 36px);
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 24px;
}

.introduceMe-text p {
    color: #0a0a0a;
    font-size: clamp(17px, 1.4vw, 24px);
    font-weight: 400;
    line-height: 1.9;
    overflow-wrap: anywhere;
}

/* ========================================
   6. 課程介紹
======================================== */

#courses {
    background-color: #FCFBF7;
    display: flex;
    align-items: center;
    padding: 80px 24px;
}

.courses-container {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: clamp(24px, 3vw, 56px);

    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
}

.courses-images {
    flex: 0 1 45%;
    min-width: 0;
}

.courses-images img {
    width: 100%;
    height: auto;
    border-radius: 25px;
    border: 5px solid #dde9e9;
}

.courses-text {
    flex: 1;
    min-width: 0;
    text-align: left;
}

.courses-text h2 {
    color: #397e78;
    font-size: clamp(30px, 3vw, 48px);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 24px;
}

.courses-text h3 {
    color: #0a0a0a;
    font-size: clamp(23px, 2.2vw, 36px);
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 24px;
}

.courses-text p {
    color: #0a0a0a;
    font-size: clamp(17px, 1.4vw, 24px);
    font-weight: 400;
    line-height: 1.9;
    overflow-wrap: anywhere;
}

/* ========================================
   7. 課程價格
======================================== */

#price {
    background-color: #FCFBF7;
    display: flex;
    align-items: center;
    padding: 80px 24px;
}

.price-container {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: clamp(24px, 3vw, 56px);

    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
}

.price-images {
    flex: 0 1 45%;
    min-width: 0;
}

.price-images img {
    width: 100%;
    height: auto;
    border-radius: 25px;
    border: 5px solid #dde9e9;
}

.price-text {
    flex: 1;
    min-width: 0;
    text-align: left;
}

.price-text h2 {
    color: #397e78;
    font-size: clamp(30px, 3vw, 48px);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 24px;
}

.price-text h3 {
    color: #0a0a0a;
    font-size: clamp(23px, 2.2vw, 36px);
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 24px;
}

.price-text p {
    color: #0a0a0a;
    font-size: clamp(17px, 1.4vw, 24px);
    font-weight: 400;
    line-height: 1.9;
    overflow-wrap: anywhere;
}

/* ========================================
   8. FAQ
======================================== */

#faq {
    background-color: white;
    padding: 100px 24px;
}

.faq-container {
    max-width: 1000px;
    margin: 0 auto;
}

#faq h2 {
    font-size: clamp(30px, 3vw, 48px);
    text-align: center;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 36px;
}

#faq details {
    background-color: #fffffd;
    border: 1px solid #e5e5e5;
    border-radius: 16px;

    margin-bottom: 16px;
    padding: 22px 24px;

    transition: border-color 0.2s ease;
}

#faq summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;

    font-size: clamp(17px, 1.3vw, 22px);
    font-weight: 600;
    line-height: 1.6;
    cursor: pointer;
    list-style: none;
}

#faq summary::-webkit-details-marker {
    display: none;
}

#faq summary::after {
    content: "+";
    color: #408a87;
    font-size: 28px;
    font-weight: 400;
    line-height: 1;
    flex-shrink: 0;
}

#faq details[open] summary::after {
    content: "−";
}

#faq details p {
    font-size: clamp(16px, 1.2vw, 19px);
    line-height: 1.9;
    color: #333333;
    font-weight: 400;
    margin-top: 16px;
    overflow-wrap: anywhere;
}

#faq details[open] {
    border-color: #b7d8d4;
}

/* ========================================
   9. 頁尾
======================================== */

footer {
    
    background-color: #d1d1d1;
    color: #1e293b;
    padding: 32px 20px;
    text-align: center;
    font-weight: 600;
    font-size: 16px;
}

footer a {
    color: inherit;
    overflow-wrap: anywhere;
    text-decoration: none;
    transition:0.2s;
}

footer a:hover{
    color:#99956c;
}

/* ========================================
   10. 平板版：1024px 以下
======================================== */

@media (max-width: 1024px) {

    nav {
        justify-content: center;
        padding: 18px 20px;
        column-gap: 24px;
    }

    .hero {
        height: 70svh;
        min-height: 460px;
    }

    .hero-text {
        top: 74%;
    }

    #about,
    #courses,
    #price {
        padding: 64px 24px;
    }

    .introduceMe,
    .courses-container,
    .price-container {
        gap: 28px;
    }

    .introduceMe-image,
    .courses-images,
    .price-images {
        flex-basis: 45%;
    }

    .introduceMe-text h2,
    .courses-text h2,
    .price-text h2 {
        margin-bottom: 16px;
    }

    .introduceMe-text h3,
    .courses-text h3,
    .price-text h3 {
        margin-bottom: 16px;
    }

    .introduceMe-text p,
    .courses-text p,
    .price-text p {
        line-height: 1.8;
    }

    #faq {
        padding: 80px 24px;
    }
}

/* ========================================
   11. 手機版：768px 以下
======================================== */

@media (max-width: 768px) {
    /* 導覽列 */

    nav {
        justify-content: center;
        padding: 14px 12px;
        column-gap: 18px;
        row-gap: 10px;
    }

    nav a {
        font-size: 14px;
    }

    /* 首頁 */

    .hero {
        height: 75svh;
        min-height: 480px;
        max-height: 760px;
    }

    .hero-images {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        grid-template-columns: 1fr;
    }

    .hero-images img {
        object-position: center;
        display: none;
    }

    .hero-images img:first-child {
        display: block;
    }

    .hero-text {
        width: 92%;
        top: 72%;
    }

    .hero-text h1 {
        font-size: clamp(24px, 5.5vw, 40px);
        line-height: 1.35;
    }

    .hero-text p {
        font-size: clamp(14px, 3.5vw, 22px);
        margin-top: 10px;
    }

    .hero .booking-btn {
        margin-top: 22px;
        padding: 13px 24px;
        font-size: 16px;
    }

    /* 三個主要介紹區塊 */

    #about,
    #courses,
    #price {
        padding: 26px 20px;
    }

    .introduceMe,
    .courses-container,
    .price-container {
        flex-direction: column;
        align-items: stretch;
        gap: 28px;
    }

    .introduceMe-image,
    .courses-images,
    .price-images {
        flex: none;
        width: 100%;
        max-width: 520px;
        margin: 0 auto;
    }

    .introduceMe-text,
    .courses-text,
    .price-text {
        width: 100%;
    }
    .introduceMe {
        flex-direction: column;
    }

    .introduceMe-text {
        order: 1;
    }

    .introduceMe-image {
        order: 2;
    }
    /* 手機版讓課程介紹先顯示文字 */
    .courses-text {
        order: 1;
    }

    .courses-images {
        order: 2;
    }

    /* 個人介紹與價目表維持 HTML 順序 */

    .introduceMe-text h2,
    .courses-text h2
    
     {
        font-size: clamp(22px, 5vw, 34px);
        margin-bottom: 16px;
    }
    .price-text{
        order:1;
    }
    .price-images{
        order:2;
    }

    .price-text h2{
        font-size: clamp(20px, 5vw, 34px);
        margin-bottom: 16px;
    }
    .price-text h3 {
        font-size: clamp(16px, 4vw, 27px);
        margin-bottom: 16px;
    }

    .introduceMe-text h3,
    .courses-text h3
     {
        font-size: clamp(16px, 4vw, 27px);
        margin-bottom: 16px;
    }

    .introduceMe-text p,
    .courses-text p,
    .price-text p {
        font-size: clamp(12px, 5vw, 16px);
        line-height: 1.85;
    }

    .introduceMe-image img,
    .courses-images img,
    .price-images img {
        border-radius: 18px;
    }

    /* 價目表預約按鈕 */

    .price-text .booking-btn {
        display: block;
        width: 100%;
        max-width: 520px;
        padding: 16px 20px;
        margin-top: 24px;
    }

    /* FAQ */

    #faq {
        padding: 26px 20px;
    }

    #faq h2 {
        font-size: 32px;
        margin-bottom: 28px;
    }

    #faq details {
        padding: 18px;
        margin-bottom: 12px;
        border-radius: 12px;
    }

    #faq summary {
        font-size: 17px;
        gap: 12px;
    }

    #faq details p {
        font-size: 16px;
        line-height: 1.8;
    }

    /* 頁尾 */

    footer {
        padding: 28px 16px;
        font-size: 14px;
    }
}

/* ========================================
   12. 小手機：480px 以下
======================================== */

@media (max-width: 480px) {

    nav {
        column-gap: 14px;
        row-gap: 8px;
    }

    nav a {
        font-size: 13px;
    }

    .hero {
        height: 72svh;
        min-height: 460px;
    }

    .hero-text {
        top: 70%;
        width: 94%;
    }

    .hero-text h1 {
        font-size: clamp(25px, 7vw, 32px);
    }

    .hero-text p {
        font-size: clamp(16px, 4vw, 19px);
    }

    .hero .booking-btn {
        padding: 12px 22px;
        font-size: 15px;
        margin-top: 20px;
    }

    #about,
    #courses,
    #price
     {
        padding: 20px 16px;
    }

    .introduceMe,
    .courses-container,
    .price-container {
        gap: 24px;
    }

    .introduceMe-text p,
    .courses-text p,
    .price-text p {
        font-size: clamp(14px, 3vw, 16px);
    }

    .introduceMe-image img,
    .courses-images img,
    .price-images img {
        border-radius: 14px;
    }

    #faq {
        padding: 20px 16px;
    }

    #faq h2 {
        font-size: 30px;
    }

    #faq details {
        padding: 16px;
    }

    #faq summary {
        font-size: 16px;
    }

    #faq summary::after {
        font-size: 24px;
    }
}

/* ========================================
   13. 尊重減少動畫偏好
======================================== */

@media (prefers-reduced-motion: reduce) {

    html {
        scroll-behavior: auto;
    }

    .booking-btn,
    nav a,
    #faq details {
        transition: none;
    }

    .booking-btn:hover {
        transform: none;
    }
}