/* --- Global Styles & Variables --- */
:root {
    --primary-color: #e71a23;
    --dark-color: #161616;
    --text-color: #474747;
    --light-color: #ffffff;
    --background-color: #ffffff; /* Changed to pure white */
    --light-gray-bg: #f9f9f9;
    --footer-bg: #eeeeee;
    --font-heading: 'Cabin', sans-serif;
    --font-body: 'Lato', sans-serif;
}

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

body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--text-color);
    line-height: 1.7;
    background-color: var(--background-color);
}

.container {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    text-transform: uppercase;
    margin-top: 0;
}

h1 { font-size: 2.8rem; line-height: 1.27; }
h2 { font-size: 2rem; }
h4 { font-size: 1.3rem; line-height: 1.45; }
p { margin-top: 0; margin-bottom: 1rem; }

.section-title {
    text-align: center;
    margin-bottom: 50px;
    color: var(--primary-color);
}
.section-title.left-align {
    text-align: left;
    margin-bottom: 20px;
}

.btn {
    display: inline-block;
    padding: 12px 35px;
    text-decoration: none;
    border-radius: 50px;
    font-family: var(--font-heading);
    text-transform: uppercase;
    font-weight: 700;
    transition: background-color 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--light-color);
}
.btn-primary:hover {
    background-color: #c6161d;
}

/* --- Header --- */
.main-header {
    background-color: var(--dark-color);
    padding: 15px 0;
}
.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo img {
    height: 75px;
}

/* --- Hero Section --- */
.hero-section {
    position: relative; /* ສໍາຄັນຫຼາຍ */
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: var(--light-color);
    text-align: right;
    padding: 120px 0;
}
/* ສ້າງ Overlay ສີດຳຈາງໆ ດ້ວຍ CSS */
.hero-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: rgba(0, 0, 0, 0.25);
    z-index: 1;
}
.hero-content {
    position: relative; /* ເພື່ອໃຫ້ເນື້ອຫາຢູ່ເທິງ Overlay */
    z-index: 2;
}

.hero-content {
    max-width: 45%;
    margin-left: auto;
    padding-right: 20px;
}
.hero-content h1 {
    color: var(--light-color);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}
.hero-content .tagline {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    font-weight: 400;
    letter-spacing: 1px;
}
.hero-content .btn {
    margin-top: 20px;
}

/* --- Content Section (About) --- */
.content-section {
    padding: 80px 0;
}
.content-layout {
    display: flex;
    align-items: center;
    gap: 50px;
}
.content-image { flex: 1; }
.content-image img { width: 100%; border-radius: 8px; }
.content-text { flex: 1; }

/* --- Services Section --- */
.services-section {
    padding: 80px 0;
    background-color: var(--light-gray-bg);
}
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.service-card {
    background: var(--light-color);
    padding: 25px;
    text-align: center;
}
.service-card h4 {
    color: var(--dark-color);
}

/* --- Why Choose Us Section --- */
.why-choose-us-section {
    padding: 80px 0;
}
.features-grid {
    display: flex;
    flex-direction: column;
    gap: 80px;
}
.feature-item {
    display: flex;
    align-items: center;
    gap: 40px;
}
.feature-item:nth-child(even) {
    flex-direction: row-reverse;
}
.feature-image, .feature-text {
    flex: 1;
}
.feature-image img {
    width: 100%;
    border-radius: 8px;
    display: block;
}
.feature-text h4 {
    color: var(--dark-color);
    margin-bottom: 15px;
}

/* --- Gallery Section --- */
.gallery-section {
    padding: 80px 0;
}
.gallery-section .section-title {
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}
.gallery-grid {
    columns: 3;
    column-gap: 15px;
}
.gallery-grid img {
    width: 100%;
    margin-bottom: 15px;
    border-radius: 8px;
    display: block; /* Fix bottom space */
}

/* --- Video Section --- */
.video-section {
    padding: 80px 0;
    background-color: var(--light-gray-bg);
}
.video-placeholder {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 Aspect Ratio */
    background-color: #000;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}
.video-placeholder .play-button {
    width: 80px;
    height: 80px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    border: 2px solid white;
}
.video-placeholder .play-button::after {
    content: '';
    display: block;
    width: 0;
    height: 0;
    border-top: 15px solid transparent;
    border-bottom: 15px solid transparent;
    border-left: 25px solid white;
    margin-left: 5px;
}

/* --- Contact Section --- */
.contact-section {
    padding: 80px 0;
}
.contact-layout {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}
.contact-form-wrapper { flex: 1.5; }
.contact-info { flex: 1; }

.form-title {
    text-align: center;
    margin-bottom: 30px;
    color: var(--dark-color);
}
.contact-form .form-group {
    position: relative;
    margin-bottom: 35px;
}
.contact-form input, .contact-form textarea {
    width: 100%;
    padding: 10px 0;
    border: none;
    border-bottom: 1px solid #ccc;
    background-color: transparent;
    font-family: var(--font-body);
    font-size: 1rem;
    outline: none;
    position: relative;
    z-index: 1;
}
.contact-form label {
    position: absolute;
    top: 10px;
    left: 0;
    color: #888;
    transition: all 0.2s ease-in-out;
    z-index: 0;
}
.contact-form input:focus + label,
.contact-form input:not(:placeholder-shown) + label,
.contact-form textarea:focus + label,
.contact-form textarea:not(:placeholder-shown) + label {
    top: -15px;
    font-size: 0.8rem;
    color: var(--primary-color);
}
.contact-form button {
    display: block;
    margin: 20px auto 0;
}
.contact-info h4 { color: var(--dark-color); }
.contact-info .info-hours { margin-top: 30px; }
.contact-info a { color: var(--primary-color); text-decoration: none; }
.contact-info a:hover { text-decoration: underline; }

/* --- Subscribe Section --- */
.subscribe-section {
    padding: 80px 0;
    text-align: center;
    background-color: var(--light-gray-bg);
}
.subscribe-section p {
    max-width: 500px;
    margin: 0 auto 30px auto;
}
.subscribe-form {
    display: flex;

.video-responsive {
    overflow: hidden;
    padding-top: 56.25%; /* 16:9 Aspect Ratio */
    position: relative;
    height: 0;
}
.video-responsive iframe {
    left: 0;
    top: 0;
    height: 100%;
    width: 100%;
    position: absolute;
}