/* =========================================
   กฎพื้นฐาน (Base Styles)
   ========================================= */
html { scroll-behavior: smooth; }
* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Prompt', sans-serif; }
body { background-color: #f8fafc; color: #1e293b; overflow-x: hidden; line-height: 1.6;}

/* =========================================
   ส่วนหัวและเมนู (Header & Navigation)
   ========================================= */
.top-bar { 
    background-color: #0f172a; color: white; padding: 6px 5%; 
    display: flex; justify-content: space-between; align-items: center; font-size: 0.85rem; 
    position: relative; z-index: 9999; /* 🔥 เพิ่มตรงนี้เพื่อบังคับให้อยู่บนสุด ป้องกันส่วนอื่นมาบังปุ่มบน PC */
}
.top-bar-contact { display: flex; gap: 15px; }
.top-bar-social { display: flex; align-items: center; gap: 15px; }
.top-line-icon { color: #00B900; font-size: 1.25rem; text-decoration: none; transition: 0.3s; }
.top-line-icon:hover { transform: scale(1.1); color: #00e600; }
.lang-switch { display: flex; align-items: center; gap: 8px; font-weight: 600; }
.lang-switch span { color: #64748b; }
.lang-switch a { 
    color: #cbd5e1; text-decoration: none; transition: 0.3s; 
    position: relative; z-index: 10000; /* 🔥 บังคับให้ปุ่มคลิกได้ 100% */
}
.lang-switch a.active { color: #fbbf24; }
.lang-switch a:hover { color: #ffffff; }

.main-header { 
    background-color: #1e3a8a; padding: 18px 5%; display: flex; 
    justify-content: space-between; align-items: center; position: sticky; 
    top: 0; z-index: 1000; box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15); 
}
.logo-container { display: flex; align-items: center; gap: 15px; text-decoration: none; color: white; }
.logo-img { width: 65px; height: 65px; background: white; border-radius: 8px; padding: 4px; object-fit: contain; }
.header-text h1 { font-size: 1.4rem; margin: 0; }
.header-text p { font-size: 0.8rem; color: #fbbf24; margin-top: 2px;}

.nav-menu { display: flex; gap: 20px; list-style: none; align-items: center;}
.nav-menu a { color: white; text-decoration: none; font-weight: 500; font-size: 1rem; transition: 0.3s; }
.nav-menu a:hover { color: #f97316; }

.header-btn { 
    background-color: #f97316 !important; color: white !important; 
    padding: 10px 22px; border-radius: 6px; font-weight: 700 !important; 
    transition: 0.3s; box-shadow: 0 4px 10px rgba(249, 115, 22, 0.3); text-decoration: none;
}
.header-btn:hover { background-color: #ea580c !important; transform: translateY(-2px); box-shadow: 0 6px 15px rgba(249, 115, 22, 0.5); }

/* =========================================
   ส่วนหน้าแรก (Hero Section)
   ========================================= */
.hero { 
    height: 70vh; position: relative; display: flex; align-items: center; justify-content: center;
    background-color: #64748b; background-image: url('https://images.unsplash.com/photo-1552465011-b4e21bf6e79a?auto=format&fit=crop&q=80&w=1920'); 
    background-size: cover; background-position: center; color: white; text-align: center;
}
.hero-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.4); }
.hero-content { position: relative; z-index: 2; padding: 0 20px; }
.hero h2 { font-size: 3.2rem; margin-bottom: 15px; text-shadow: 0 2px 4px rgba(0,0,0,0.5); }
.hero p { font-size: 1.3rem; margin-bottom: 40px; text-shadow: 0 1px 3px rgba(0,0,0,0.5); font-weight: 300; }

.btn-orange { 
    background: #f97316; color: white; padding: 18px 45px; font-size: 1.2rem; border-radius: 10px; 
    text-decoration: none; font-weight: 700; display: inline-block; transition: 0.3s; 
    box-shadow: 0 4px 15px rgba(249, 115, 22, 0.4); 
}
.btn-orange:hover { transform: translateY(-3px); background: #ea580c; box-shadow: 0 6px 20px rgba(249, 115, 22, 0.6); }

/* =========================================
   ป้ายแบนเนอร์ด้านบน (Page Header)
   ========================================= */
.page-header {
    position: relative; z-index: 1; color: white; background-size: cover;
    background-position: center; background-attachment: fixed;
    padding: 120px 5% 100px 5%; text-align: center;
}
.page-header::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(15, 23, 42, 0.6); z-index: -1;
}
.page-header h1 { font-size: 2.8rem; color: #fbbf24; text-shadow: 0 2px 5px rgba(0,0,0,0.8); margin-bottom: 10px; }
.page-header p { font-size: 1.2rem; color: #ffffff; text-shadow: 0 1px 3px rgba(0,0,0,0.8); }

/* =========================================
   หัวข้อหลัก และ กล่องเนื้อหา (Content Sections)
   ========================================= */
.section-title { 
    text-align: center; color: #1e3a8a; font-size: 2.2rem; margin-bottom: 40px; 
    font-weight: 700; position: relative; padding-bottom: 15px; background: none; border: none; box-shadow: none; display: block; 
}
.section-title::after {
    content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
    width: 60px; height: 4px; background-color: #f97316; border-radius: 2px;
}

.content-section {
    background: #ffffff; border-radius: 20px; padding: 60px;
    max-width: 1200px; margin: 50px auto; box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05); position: relative; z-index: 1;
}

/* =========================================
   หน้าเกี่ยวกับเรา (About Page)
   ========================================= */
.about-row { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 50px; align-items: center; max-width: 1200px; margin: 0 auto; }
.about-text p { font-size: 1.05rem; line-height: 1.8; color: #475569; margin-bottom: 20px; }
.about-image img { width: 100%; border-radius: 20px; box-shadow: 20px 20px 0px #f1f5f9; }
.vision-mission-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; max-width: 1000px; margin: 0 auto; }
.vision-card { background: white; padding: 40px; border-radius: 16px; text-align: center; border: 1px solid #e2e8f0; transition: 0.3s; }
.vision-card:hover { border-color: #f97316; transform: translateY(-5px); }
.vision-icon { font-size: 2.5rem; color: #f97316; margin-bottom: 20px; }
.vision-card h3 { color: #1e3a8a; margin-bottom: 15px; font-size: 1.5rem; }

.president-message { background: #1e3a8a; color: white; padding: 60px; border-radius: 24px; margin-top: 80px; text-align: center; position: relative; overflow: hidden; }
.president-message p { font-size: 1.4rem; font-style: italic; line-height: 1.7; position: relative; z-index: 2; margin-bottom: 30px; }
.quote-icon { font-size: 4rem; color: rgba(255,255,255,0.1); position: absolute; top: 20px; left: 40px; }
.president-sign strong { display: block; font-size: 1.2rem; color: #fbbf24; }
.president-sign span { font-size: 0.9rem; opacity: 0.8; }

/* =========================================
   ส่วนภูมิภาค (Regions Grid)
   ========================================= */
.regions-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 20px; max-width: 1300px; margin: 0 auto; }
.region-card { 
    height: 200px; border-radius: 15px; background-size: cover; background-position: center; position: relative; overflow: hidden; 
    display: flex; flex-direction: column; align-items: center; justify-content: center; color: white; text-decoration: none; 
    border-top: 4px solid #f97316; transition: 0.3s; box-shadow: 0 4px 10px rgba(0,0,0,0.1); 
}
.region-card:hover { transform: translateY(-5px); box-shadow: 0 8px 20px rgba(0,0,0,0.15); }
.region-card::before { content: ''; position: absolute; inset: 0; background: rgba(30, 58, 138, 0.4); transition: 0.3s; }
.region-card:hover::before { background: rgba(30, 58, 138, 0.2); }
.region-card h3, .region-card p { position: relative; z-index: 1; text-shadow: 0 2px 4px rgba(0,0,0,0.6); }

/* =========================================
   ส่วนวัตถุประสงค์สมาคม (Objectives)
   ========================================= */
.objective-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 25px; max-width: 1100px; margin: 0 auto; }
.objective-card { 
    background: white; padding: 30px 25px; border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.03); 
    border: 1px solid #e2e8f0; display: flex; align-items: flex-start; gap: 20px; transition: 0.3s; 
}
.objective-card:hover { transform: translateY(-5px); box-shadow: 0 10px 25px rgba(0,0,0,0.08); border-color: #cbd5e1; }
.obj-num { background: #f97316; color: white; font-size: 1.4rem; font-weight: 700; min-width: 45px; height: 45px; display: flex; align-items: center; justify-content: center; border-radius: 10px; flex-shrink: 0; }
.obj-text { color: #334155; font-size: 0.95rem; line-height: 1.7; padding-top: 6px; }

/* =========================================
   ส่วนคณะกรรมการบริหาร (Board Grid)
   ========================================= */
.board-category-title { 
    background-color: #f1f5f9; color: #1e3a8a; font-size: 1.25rem; margin: 50px auto 30px auto; 
    font-weight: 700; padding: 8px 30px; border-radius: 8px; border-left: 5px solid #f97316; border-right: 5px solid #f97316; display: table; box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}
.board-category-title.president-title { background-color: #1e3a8a; color: #ffffff; border-left: 5px solid #fbbf24; border-right: 5px solid #fbbf24; box-shadow: 0 4px 15px rgba(30, 58, 138, 0.2); margin-top: 10px; }
.board-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 15px; max-width: 1200px; margin: 0 auto; }
.board-card { 
    background: white; padding: 20px 15px; border-radius: 8px; text-align: center; box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05); 
    border: 1px solid #e2e8f0; display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 100px; transition: 0.3s; 
}
.board-card:hover { transform: translateY(-3px); box-shadow: 0 4px 10px rgba(0,0,0,0.08); }
.board-card.president { width: 320px; border-bottom: 4px solid #f97316; margin: 0 auto; }
.role-tag { background: #1e3a8a; color: white; padding: 5px 18px; border-radius: 20px; font-size: 0.8rem; margin-bottom: 12px; display: inline-block; font-weight: 600; }
.board-card p { font-size: 0.95rem; color: #334155; }

/* =========================================
   หน้าติดต่อเรา (Contact Page)
   ========================================= */
.contact-container { display: grid; grid-template-columns: 1fr 1.5fr; gap: 50px; max-width: 1200px; margin: 0 auto; }
.contact-info-side h2 { color: #1e3a8a; font-size: 2rem; margin-bottom: 15px; }
.info-item { display: flex; align-items: flex-start; gap: 15px; margin-bottom: 25px; }
.info-icon { background: #e2e8f0; color: #1e3a8a; width: 45px; height: 45px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; flex-shrink: 0; }
.info-text { font-size: 0.95rem; color: #475569; line-height: 1.5; }
.info-text strong { display: block; color: #1e3a8a; font-size: 1.05rem; margin-bottom: 3px; }
.line-btn { background: #00B900; color: white !important; padding: 12px 25px; border-radius: 8px; text-decoration: none; display: inline-flex; align-items: center; gap: 10px; font-weight: 600; margin-top: 10px; transition: 0.3s; }
.line-btn:hover { background: #009900; transform: translateY(-2px); }

.contact-form-side { background: white; padding: 40px; border-radius: 16px; box-shadow: 0 10px 25px rgba(0,0,0,0.08); border: 1px solid #e2e8f0; }
.contact-form-side h3 { color: #1e3a8a; font-size: 1.6rem; margin-bottom: 25px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; padding: 14px; margin-bottom: 20px; border: 1px solid #cbd5e1; border-radius: 8px; font-family: 'Prompt', sans-serif; font-size: 1rem; transition: 0.3s; background: #f8fafc; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { outline: none; border-color: #1e3a8a; background: white; box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1); }
.submit-btn { background: #1e3a8a; color: white; border: none; width: 100%; padding: 16px; border-radius: 8px; font-size: 1.1rem; font-weight: 600; cursor: pointer; transition: 0.3s; font-family: 'Prompt', sans-serif; }
.submit-btn:hover { background: #f97316; transform: translateY(-2px); }

/* =========================================
   ส่วนท้ายเว็บไซต์ (Footer Styles)
   ========================================= */
.main-footer { background-color: #0f172a; color: #cbd5e1; padding: 60px 0 0 0; margin-top: 0; border-top: 4px solid #f97316; }
.footer-container { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1.2fr 1.5fr 0.8fr; gap: 40px; padding: 0 5% 50px 5%; }
.footer-column h3 { color: #ffffff; font-size: 1.2rem; margin-bottom: 25px; position: relative; padding-bottom: 10px; }
.footer-column h3::after { content: ''; position: absolute; bottom: 0; left: 0; width: 40px; height: 3px; background-color: #f97316; }
.footer-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.footer-logo img { width: 45px; height: 45px; background: white; border-radius: 6px; padding: 3px; }
.footer-logo span { color: #ffffff; font-size: 1.5rem; font-weight: 700; }
.footer-desc { font-size: 0.9rem; line-height: 1.7; opacity: 0.8; }
.footer-info, .footer-links { list-style: none; padding: 0; }
.footer-info li { display: flex; gap: 15px; margin-bottom: 18px; font-size: 0.9rem; line-height: 1.5; }
.footer-info i { color: #f97316; font-size: 1.1rem; margin-top: 3px; }
.footer-links li { margin-bottom: 12px; }
.footer-links a { color: #cbd5e1; text-decoration: none; font-size: 0.95rem; transition: 0.3s; }
.footer-links a:hover { color: #fbbf24; padding-left: 5px; }
.footer-bottom { background-color: #020617; padding: 20px 5%; text-align: center; border-top: 1px solid rgba(255,255,255,0.05); }
.footer-bottom p { font-size: 0.8rem; opacity: 0.6; }

/* =========================================
   🔥 ดีไซน์หน้ารายชื่อสมาชิก (แบบกรอบ 3 กล่อง) 🔥
   ========================================= */
.content-section:has(.member-list-wrapper),
.content-section:has(.member-item),
.content-section:has(.members-grid) {
    background: transparent !important;
    box-shadow: none !important;
    border: none !important;
    padding: 0 !important;
    max-width: 1300px !important;
}

.member-list-wrapper, 
.members-grid, 
.members-grid-original {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 30px !important;
    max-width: 1200px !important;
    margin: 50px auto !important;
    width: 100% !important;
}

.member-item, 
.member-card, 
.member-card-original {
    background: #ffffff !important;
    border-radius: 12px !important;
    padding: 30px 20px !important;
    border: 1px solid #e2e8f0 !important;
    border-top: 5px solid #f97316 !important;
    margin-bottom: 0 !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    text-align: center !important;
    height: 100% !important;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05) !important;
}

.member-logo, 
.member-card-img {
    width: 125px !important; 
    height: 125px !important; 
    border-radius: 50% !important;
    object-fit: contain !important;
    margin: 0 auto 15px auto !important;
    display: block !important;
    border: 1px solid #f1f5f9 !important;
    background: #fff !important;
}

.member-card h3, 
.member-card-original h3, 
.member-item h3, 
.member-name {
    font-size: 1.2rem !important;
    margin-bottom: 15px !important;
    color: #1e3a8a !important;
    font-weight: bold !important;
}

.member-contact-row {
    display: flex !important;
    align-items: flex-start !important; 
    justify-content: flex-start !important;
    gap: 12px !important;
    margin-bottom: 8px !important;
    color: #374151 !important;
    font-size: 0.95rem !important;
    padding: 0 15px !important; 
    width: 100% !important;
    text-align: left !important;
}

.member-contact-row i {
    width: 20px !important;
    text-align: center !important;
    margin-top: 4px !important; 
    flex-shrink: 0 !important; 
    font-size: 1.1rem !important;
}

.member-btn-fb, 
.member-fb-btn, 
.member-item a, 
.member-card-original a {
    background-color: #1877F2 !important;
    color: #ffffff !important;
    padding: 10px !important;
    border-radius: 6px !important;
    text-decoration: none !important;
    margin-top: auto !important; 
    width: 100% !important;
    display: block !important;
    text-align: center !important;
    font-weight: bold !important;
    font-size: 0.95rem !important;
    transition: background 0.3s !important;
}
.member-fb-btn:hover, .member-btn-fb:hover, .member-item a:hover {
    background-color: #166fe5 !important;
    color: #ffffff !important;
}

/* =========================================
   การแสดงผลบนมือถือ (Responsive)
   ========================================= */
@media (max-width: 992px) {
    .objective-grid { grid-template-columns: 1fr; }
    .board-grid.grid-4, .board-grid.grid-5 { grid-template-columns: repeat(2, 1fr); }
    .contact-container { grid-template-columns: 1fr; }
    .footer-container { grid-template-columns: 1fr; text-align: center; }
    .footer-column h3::after { left: 50%; transform: translateX(-50%); }
    .footer-logo { justify-content: center; }
    .footer-info li { justify-content: center; }
    .about-row, .vision-mission-grid { grid-template-columns: 1fr; }
    .about-image { order: -1; }
    .member-list-wrapper, .members-grid { grid-template-columns: repeat(2, 1fr) !important; }

    /* ปรับ Top Bar ให้เรียงลงมาหรืออยู่ตรงกลาง */
    .top-bar {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 10px;
        padding: 10px;
    }
    .top-bar-contact {
        display: flex;
        flex-direction: column;
        gap: 5px;
    }

    /* แสดงปุ่ม 3 ขีดในหน้าจอมือถือ */
    .menu-toggle {
        display: block;
    }

    /* ปรับแต่งเมนู Nav ให้ซ่อนไว้ก่อนในมือถือ */
    .nav-menu {
        display: none; 
        flex-direction: column;
        width: 100%;
        position: absolute;
        top: 100%;
        left: 0;
        background-color: #ffffff;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        padding: 0;
        margin: 0;
        z-index: 999;
    }

    .nav-menu.active { display: flex; }

    .nav-menu li {
        width: 100%;
        text-align: center;
        border-bottom: 1px solid #f0f0f0;
    }

    .nav-menu li a {
        display: block;
        padding: 15px 20px;
        color: #333; 
    }

    .nav-menu li a.header-btn {
        margin: 15px auto;
        width: max-content;
    }
}

@media (max-width: 768px) {
    .section-title { font-size: 1.7rem; }
    .hero h2 { font-size: 2.2rem; }
    .main-header { flex-direction: column; gap: 15px; }
    .nav-menu { flex-wrap: wrap; justify-content: center; gap: 10px; }
    .form-row { grid-template-columns: 1fr; }
    .member-list-wrapper, .members-grid { grid-template-columns: 1fr !important; }
}

@media (max-width: 576px) {
    .board-grid.grid-4, .board-grid.grid-5 { grid-template-columns: 1fr; }
}

/* =========================================
   สไตล์สำหรับ Slider ในหน้าจุดหมาย
   ========================================= */
.slideshow-container { max-width: 1100px; position: relative; margin: auto; overflow: hidden; border-radius: 20px; box-shadow: 0 10px 30px rgba(0,0,0,0.15); }
.mySlides { display: none; }
.slide-image { height: 500px; background-size: cover; background-position: center; display: flex; align-items: flex-end; padding: 60px; color: white; }
.slide-text h3 { font-size: 3rem; color: #fbbf24 !important; text-shadow: 0 3px 10px rgba(0,0,0,0.8); margin-bottom: 10px; }
.slide-text p { font-size: 1.4rem; color: #fff !important; text-shadow: 0 2px 5px rgba(0,0,0,0.8); margin-bottom: 20px; }
.slide-badge { background: #f97316; padding: 8px 20px; border-radius: 50px; font-size: 0.9rem; font-weight: bold; }
.prev, .next { cursor: pointer; position: absolute; top: 50%; width: auto; padding: 20px; margin-top: -30px; color: white; font-weight: bold; font-size: 25px; transition: 0.6s ease; border-radius: 0 3px 3px 0; user-select: none; background-color: rgba(0,0,0,0.3); }
.next { right: 0; border-radius: 3px 0 0 3px; }
.prev:hover, .next:hover { background-color: rgba(0,0,0,0.8); }
.dot { cursor: pointer; height: 15px; width: 15px; margin: 0 5px; background-color: #cbd5e1; border-radius: 50%; display: inline-block; transition: background-color 0.6s ease; border: 2px solid white; }
.active-dot, .dot:hover { background-color: #f97316 !important; transform: scale(1.2); }
.fade { animation-name: fade; animation-duration: 1.5s; }
@keyframes fade { from {opacity: .4} to {opacity: 1} }

@media (max-width: 768px) {
    .slide-image { height: 350px; padding: 30px; }
    .slide-text h3 { font-size: 2rem; }
    .slide-text p { font-size: 1rem; }
    .hero-content h2 { font-size: 2rem !important; }
    .hero-content p { font-size: 1rem !important; }
    .section-title { font-size: 1.8rem !important; }
    .extra-section, .content-section, .trust-section { padding: 40px 15px !important; }
    .hero-trust-badges { flex-direction: column; align-items: center; gap: 10px !important; }
    .step-number { width: 50px; height: 50px; font-size: 1.2rem; }
}

/* =========================================
   Responsive Menu (Mobile) - การตั้งค่าปุ่ม
   ========================================= */
.main-header { position: relative; }
.menu-toggle { display: none; font-size: 1.8rem; color: #ffffff; cursor: pointer; padding: 10px; }