/* =========================================
   EMAZ Website - Main Stylesheet (Full Version)
   รองรับการใช้งานทั้ง 5 หน้า (Home, EV, Solar, About, Contact)
   ========================================= */

/* === 1. CSS Variables (ตั้งค่าสีและธีมหลัก) === */
:root {
    --primary-blue: #0A2540;
    /* สีหลัก: ความมั่นคง องค์กร */
    --secondary-blue: #1A3A5F;
    --accent-green: #00E88F;
    /* สีเน้น: พลังงานสะอาด สว่างขึ้น */
    --accent-hover: #00C875;
    --accent-blue: #00E5FF;
    /* สีนีออนฟ้า สว่างสะดุดตา */
    --text-dark: #333333;
    --text-light: #FFFFFF;
    --bg-light: #F8F9FA;
    --bg-white: #FFFFFF;
    --transition: all 0.3s ease;
}

/* === 2. Base & Reset (ล้างค่าพื้นฐาน) === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Prompt', sans-serif;
}

body {
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-light);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

h1,
h2,
h3 {
    color: var(--primary-blue);
    margin-bottom: 15px;
    font-weight: 600;
}

h2 {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 40px;
}

p {
    margin-bottom: 15px;
    color: #555;
}

/* === 3. Buttons (ปุ่มกดต่างๆ) === */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 8px;
    /* ปรับให้คมขึ้นเล็กน้อยแต่ยังมนแบบโมเดิร์น */
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    text-align: center;
    letter-spacing: 0.3px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
    /* ไล่ระดับสีให้พรีเมียม นีออน */
    color: var(--primary-blue);
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(0, 229, 255, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-hover));
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 229, 255, 0.5);
}

.btn-outline {
    border-color: var(--text-light);
    color: var(--text-light);
    border-radius: 8px;
}

.btn-outline:hover {
    background-color: var(--text-light);
    color: var(--primary-blue);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.2);
}

.line-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, #00C300, #009900);
    color: #FFF;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 500;
    margin-top: 20px;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 195, 0, 0.2);
}

.line-btn:hover {
    background: linear-gradient(135deg, #00DE00, #00B300);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 195, 0, 0.4);
}

/* === 4. Navbar (เมนูด้านบน) === */
header.navbar {
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
    /* Soft shadow */
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-blue);
    letter-spacing: 1px;
}

.logo span {
    color: var(--accent-green);
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links li a {
    font-weight: 500;
    color: var(--primary-blue);
    transition: var(--transition);
}

.nav-links li a:hover {
    color: var(--accent-blue);
    text-shadow: 0 0 10px rgba(0, 229, 255, 0.4);
}

.nav-links li a.btn-primary:hover {
    color: var(--primary-blue);
    text-shadow: none;
}

.hamburger {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--primary-blue);
}

/* === 5. Footer (ส่วนล่างสุดของเว็บ) === */
.main-footer {
    background-color: #051424;
    color: #A0AAB5;
    padding: 70px 0 30px;
    font-size: 0.95rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2.5fr 1fr 1.5fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    font-size: 2rem;
    font-weight: 700;
    color: #FFF;
    margin-bottom: 20px;
    line-height: 1;
}

.footer-logo span {
    color: var(--accent-green);
}

.footer-desc {
    margin-bottom: 25px;
    line-height: 1.6;
    color: #8C98A4;
    max-width: 320px;
}

.footer-col h3 {
    color: #FFF;
    font-size: 1.15rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 15px;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 3px;
    background-color: var(--accent-green);
    border-radius: 2px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 15px;
}

.footer-links li a {
    color: #8C98A4;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.footer-links li a::before {
    content: '\f105';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 0.8rem;
    color: var(--accent-green);
    opacity: 0;
    transform: translateX(-10px);
    transition: var(--transition);
}

.footer-links li a:hover {
    color: var(--accent-green);
    padding-left: 5px;
}

.footer-links li a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

.footer-contact-list {
    list-style: none;
}

.footer-contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 18px;
    color: #8C98A4;
    line-height: 1.5;
}

.footer-contact-list li i {
    color: var(--accent-green);
    font-size: 1.1rem;
    margin-top: 3px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFF;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--accent-green);
    color: var(--primary-blue);
    transform: translateY(-3px);
}

.main-footer .copyright {
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 25px;
    font-size: 0.85rem;
    color: #6B7A8A;
}

@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

/* === 6. Shared Page Headers (สำหรับหน้า EV, Solar, About) === */
.page-header {
    padding: 160px 0 80px;
    background-color: var(--primary-blue);
    color: var(--text-light);
    text-align: center;
}

.page-header.solar-bg {
    background: linear-gradient(rgba(10, 37, 64, 0.85), rgba(10, 37, 64, 0.85)), url('../img/solar_farm_hero.png') center/cover;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--text-light);
}

.page-header p {
    font-size: 1.2rem;
    color: #DDD;
    max-width: 800px;
    margin: 0 auto;
}

/* =========================================
   หน้าเฉพาะส่วน (Page Specific Styles)
   ========================================= */

/* --- หน้าแรก (Home) --- */
.hero-swiper {
    width: 100%;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
    position: relative;
}

.hero-slide {
    background-position: center;
    background-size: cover;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--text-light);
    padding-top: 80px;
    width: 100%;
    height: 100%;
}

.hero-slide .container {
    z-index: 10;
    position: relative;
}

.hero-slide h1 {
    color: var(--text-light);
    font-size: 3rem;
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.hero-slide p {
    color: #E0E0E0;
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 30px;
    font-weight: 300;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

.swiper-button-next,
.swiper-button-prev {
    color: var(--accent-green) !important;
}

.swiper-pagination-bullet-active {
    background: var(--accent-green) !important;
}

.hero-btns {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.why-choose {
    padding: 100px 0;
    background-color: var(--bg-white);
}

.feature-card {
    padding: 50px 40px;
    background: var(--bg-light);
    border-radius: 16px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.03);
    border-bottom: 4px solid transparent;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
    /* Soft elevated shadow */
    border-bottom-color: var(--accent-green);
    background: #FFF;
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--accent-green);
    margin-bottom: 25px;
}

/* --- หน้า EV O&M และ Services Section --- */
.service-section {
    padding: 100px 0;
}

.service-container {
    display: flex;
    align-items: center;
    gap: 50px;
    margin-bottom: 60px;
}

.service-container.reverse {
    flex-direction: row-reverse;
}

.service-content {
    flex: 1;
}

.service-image {
    flex: 1;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.service-image img {
    width: 100%;
    height: auto;
    display: block;
}

.service-list {
    list-style: none;
}

.service-list li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.service-list i {
    color: var(--accent-green);
}

.target-section {
    padding: 100px 0;
    background: #FFF;
}

.section-title {
    text-align: center;
    color: var(--primary-blue);
    font-size: 2.2rem;
    margin-bottom: 60px;
}

.target-card {
    padding: 40px 30px;
    background: var(--bg-light);
    border-radius: 16px;
    text-align: center;
    border-top: 4px solid var(--accent-green);
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.03);
}

.target-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
    background: #FFF;
}

.target-card h3 {
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.core-services {
    padding: 100px 0;
}

.service-wrapper {
    display: flex;
    gap: 40px;
    align-items: center;
    background: #FFF;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.service-details {
    flex: 1;
}

.service-details li {
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.service-details i {
    color: var(--accent-green);
    font-size: 1.5rem;
    margin-top: 5px;
}

.service-details h4 {
    color: var(--primary-blue);
    font-size: 1.2rem;
    margin-bottom: 5px;
}

/* --- หน้า Solar --- */
/* =========================================
   หน้า EMAZ Solar (ปรับดีไซน์ให้เข้ากับ EV O&M)
   ========================================= */

/* --- 1. ส่วน Solar Cards (หน้าแรก) --- */
.solar-bg {
    background-color: var(--primary-blue);
    color: var(--text-light);
    padding: 80px 0;
}

.solar-bg h2 {
    color: var(--text-light);
    text-align: center;
    margin-bottom: 50px;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.solar-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    padding: 50px 40px;
    border-radius: 16px;
    border-top: 4px solid var(--accent-green);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.solar-card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.2);
}

.solar-card h3 {
    color: var(--accent-green);
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.solar-card p {
    color: #DDD;
}


/* --- 2. ส่วน Split Layout (หน้า Solar B2B/B2C) --- */

/* ใส่พื้นหลังรูปภาพให้ Header โดยยังคง Layout เดิมของ .page-header ไว้ */
.solar-header-bg {
    background: linear-gradient(rgba(10, 37, 64, 0.85), rgba(10, 37, 64, 0.85)),
        url('../img/solar_farm_hero.png') center/cover;
}

.solar-section {
    padding: 80px 0;
    background-color: var(--bg-white);
}

.solar-section:nth-child(even) {
    /* สลับสีพื้นหลังให้ล้อกับ EV Section */
    background-color: var(--bg-light);
}

.split-layout {
    display: flex;
    align-items: center;
    /* ปรับ Gap และ Margin ให้เป๊ะกับ .service-container */
    gap: 50px;
    margin-bottom: 60px;
}

.split-layout.reverse {
    flex-direction: row-reverse;
}

.split-content {
    flex: 1;
}

.split-content h2 {
    display: flex;
    align-items: center;
    gap: 15px;
    color: var(--primary-blue);
    margin-bottom: 20px;
}

.split-content h2 i {
    color: var(--accent-green);
    font-size: 2rem;
}

.split-image {
    flex: 1;
    border-radius: 12px;
    overflow: hidden;
    /* ใช้เงาแบบเดียวกับ .service-image */
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.split-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

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


/* --- 3. ส่วน Check List (รายการข้อดี) --- */
.check-list {
    list-style: none;
    margin-bottom: 30px;
}

.check-list li {
    /* ปรับ Margin และ Gap ให้เท่ากับ .service-details li */
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
    gap: 15px;
    font-size: 1.05rem;
}

.check-list i {
    color: var(--accent-green);
    font-size: 1.5rem;
    /* ขยายไอคอนให้เท่าฝั่ง EV */
    margin-top: 5px;
}

/* --- หน้า About Us --- */
.content-card {
    background: #FFF;
    padding: 60px 50px;
    border-radius: 16px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.05);
    /* Larger softer shadow */
    margin-bottom: 60px;
    margin-top: -40px;
    position: relative;
    z-index: 10;
    border: 1px solid rgba(0, 0, 0, 0.03);
}

.story-block {
    margin-bottom: 40px;
}

.story-block h2 {
    border-left: 5px solid var(--accent-green);
    padding-left: 15px;
}

.vision-box {
    background: linear-gradient(135deg, var(--primary-blue), #113859);
    color: var(--text-light);
    padding: 50px 40px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(10, 37, 64, 0.2);
}

.vision-box h2 {
    color: var(--accent-green);
    margin-bottom: 15px;
    font-size: 2rem;
}

.vision-box p {
    color: #E0E0E0;
    font-size: 1.1rem;
    line-height: 1.8;
}

/* --- หน้า Contact Us --- */
.contact-section {
    padding: 140px 0 80px;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
    background: #FFF;
    padding: 50px;
    border-radius: 16px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.03);
}

.contact-info h1 {
    font-size: 2.2rem;
    margin-bottom: 20px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.info-item i {
    color: var(--accent-green);
    font-size: 1.5rem;
    width: 30px;
}

.form-container {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
}

.form-container h3 {
    margin-bottom: 25px;
    font-size: 1.6rem;
    color: var(--primary-blue);
    position: relative;
    padding-bottom: 15px;
}

.form-container h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-green));
    border-radius: 2px;
}

.contact-form-flex {
    display: flex;
    gap: 20px;
}
.contact-form-flex .contact-form-group {
    flex: 1;
}

.contact-form-group {
    margin-bottom: 20px;
    text-align: left;
}
.contact-form-group label {
    display: block;
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 8px;
    color: #444;
}
.contact-form-group input,
.contact-form-group select,
.contact-form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid #EEE;
    border-radius: 10px;
    font-family: inherit;
    font-size: 1rem;
    transition: 0.3s;
    background-color: var(--bg-light);
}
.contact-form-group input:focus,
.contact-form-group select:focus,
.contact-form-group textarea:focus {
    border-color: var(--accent-green);
    background-color: var(--bg-white);
    outline: none;
    box-shadow: 0 0 0 4px rgba(0, 232, 143, 0.1);
}
.contact-form-group textarea {
    resize: vertical;
    min-height: 120px;
}
@media (max-width: 768px) {
    .contact-form-flex {
        flex-direction: column;
        gap: 0;
    }
}

/* =========================================
   Grid System & Responsive Design (มือถือ & แท็บเล็ต)
   ========================================= */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

@media (max-width: 992px) {

    .grid-3,
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .service-container,
    .service-container.reverse {
        flex-direction: column;
    }

    .split-layout,
    .split-layout.reverse {
        flex-direction: column;
        gap: 40px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .service-wrapper {
        flex-direction: column;
    }
}

@media (max-width: 768px) {

    /* Mobile Menu */
    .nav-links {
        position: absolute;
        top: 80px;
        left: -100%;
        flex-direction: column;
        background-color: var(--bg-white);
        width: 100%;
        text-align: center;
        padding: 20px 0;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        transition: var(--transition);
    }

    .nav-links.active {
        left: 0;
    }

    .hamburger {
        display: block;
    }

    /* Layout adjustments */
    .hero h1 {
        font-size: 2.2rem;
    }

    .hero-btns {
        flex-direction: column;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .content-card {
        padding: 30px 20px;
    }
}

/* =========================================
   Animations (แอนิเมชันการเคลื่อนไหว)
   ========================================= */

/* แอนิเมชันสำหรับ Hero Section (โหลดปุ๊บแสดงเลย) */
.animate-fade-up {
    animation: fadeInUp 1s ease-out forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* คลาสสำหรับซ่อนและแสดงตอนเลื่อน Scroll (ใช้คู่กับ JS) */
.scroll-hidden {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease-out;
}

.scroll-show {
    opacity: 1;
    transform: translateY(0);
}

/* =========================================
   Cookie Consent Banner
   ========================================= */
.cookie-banner {
    position: fixed;
    bottom: 30px;
    left: 30px;
    max-width: 380px;
    background: var(--bg-white);
    border-radius: 12px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    z-index: 9999;
    /* ให้อยู่บนสุดเสมอ */
    border-top: 4px solid var(--accent-green);
    display: none;
    /* ซ่อนไว้ก่อน เดี๋ยว JS จะสั่งเปิดถ้ายังไม่เคยกด */
}

/* แสดงแบนเนอร์ด้วยแอนิเมชัน */
.cookie-banner.show {
    display: block;
    animation: slideUpCookie 0.5s ease-out forwards;
}

@keyframes slideUpCookie {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.cookie-content {
    padding: 25px;
}

.cookie-content h4 {
    color: var(--primary-blue);
    margin-bottom: 10px;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.cookie-content p {
    font-size: 0.85rem;
    color: #666;
    margin-bottom: 20px;
    line-height: 1.5;
}

.cookie-btns {
    display: flex;
    gap: 10px;
}

@media (max-width: 768px) {
    .cookie-banner {
        bottom: 0;
        left: 0;
        max-width: 100%;
        border-radius: 20px 20px 0 0;
        /* มือถือให้เป็นขอบมนแค่ด้านบน และติดขอบล่าง */
    }
}