* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    line-height: 1.8;
    color: #1f2933;
    background: #f5f7fb;
}

/* Tiêu đề cao cấp */
h1, h2, h3 {
    font-family: 'Playfair Display', serif;
    font-weight: 600;
    letter-spacing: 0.5px;
}



/* ===== NAV ===== */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255,255,255,0.95);
    display: flex;
    justify-content: space-between;
    padding: 15px 60px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
    z-index: 999;
}

nav h2 {
    color: #c31432;
}

nav a {
    margin-left: 25px;
    text-decoration: none;
    color: #333;
    font-weight: 600;
}

nav a:hover {
    color: #c31432;
}

/* ===== HERO SLIDER ===== */
.hero {
    height: 100vh;
    background-size:  cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;
    padding-left: 80px;
    transition: background-image 1s ease-in-out;
}




.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.45);
}

.hero h1,
.page-hero-text h1 {
    font-size: 52px;
    letter-spacing: 1px;
}


.hero-text {
    position: relative;
    color: white;
    max-width: 600px;
}



.hero-text h1 {
    font-size: 60px;
    margin-bottom: 20px;
}

.hero-text p {
    font-size: 20px;
}

/* ===== SECTION ===== */
section {
    max-width: 1200px;
    margin: 120px auto;
    padding: 0 20px;
}


section h2 {
    font-size: 36px;
    margin-bottom: 25px;
}


section p {
    max-width: 800px;
    color: #555;
}

p {
    font-size: 16px;
    color: #4b5563;
}

/* ===== CARD ===== */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.card {
    background: white;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 15px 30px rgba(0,0,0,0.12);
    transition: transform 0.3s;
}

.card:hover {
    transform: translateY(-10px);
}

.card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card div {
    padding: 20px;
}

/* ===== VIDEO ===== */
video {
    width: 100%;
    border-radius: 20px;
    margin-top: 30px;
}

/* ===== FOOTER ===== */
footer {
    background: #111;
    color: #aaa;
    text-align: center;
    padding: 30px;
}
/* ===== SLIDER BUTTON ===== */
.btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,0,0,0.5);
    color: white;
    border: none;
    font-size: 30px;
    padding: 12px 18px;
    cursor: pointer;
    border-radius: 50%;
    z-index: 5;
    transition: background 0.3s;
}

.btn:hover {
    background: rgba(0,0,0,0.8);
}

.prev {
    left: 20px;
}

.next {
    right: 20px;
}
/* ===== PREMIUM INTRO ===== */
.intro-premium {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    padding: 100px 10%;
    align-items: center;
    background: #ffffff;
}

.intro-label {
    letter-spacing: 2px;
    font-size: 13px;
    color: #c0392b;
    font-weight: 600;
}

.intro-text h2 {
    font-size: 40px;
    line-height: 1.3;
    margin: 15px 0 25px;
}

.intro-text p {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
    margin-bottom: 18px;
}

.intro-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 24px;
    box-shadow: 0 25px 50px rgba(0,0,0,0.15);
}

/* Responsive */
@media (max-width: 900px) {
    .intro-premium {
        grid-template-columns: 1fr;
        padding: 70px 8%;
    }

    .intro-text h2 {
        font-size: 32px;
    }
}
.why {
    padding: 100px 10%;
    background: #f9fafc;
}

.why h2 {
    font-size: 38px;
    margin-bottom: 60px;
}

.why-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 50px;
}

.why-list span {
    font-size: 48px;
    font-weight: bold;
    color: #e74c3c;
}

.why-list h3 {
    margin: 15px 0;
    font-size: 22px;
}
.experience {
    padding: 100px 10%;
}

.experience h2 {
    font-size: 36px;
}

.exp-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.exp-grid img {
    width: 100%;
    border-radius: 20px;
}
.full-image {
    height: 70vh;
    background: url("image/dulich/anhcaocap.jpg") center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 42px;
    font-weight: bold;
    text-align: center;
    position: relative;
}

.full-image::after {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.4);
}
.page-hero {
    height: 60vh;
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;
    padding-left: 10%;
}

.page-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.45);
}

.page-hero-text {
    position: relative;
    color: white;
    max-width: 600px;
}

.page-hero-text h1 {
    font-size: 42px;
}
.tour-intro {
    padding: 90px 10%;
    max-width: 900px;
}
.tour-intro h2 {
    font-size: 36px;
}
.tour-intro p {
    font-size: 16px;
    line-height: 1.8;
    margin-top: 20px;
    color: #555;
}
.destination-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    padding: 80px 10%;
    align-items: center;
}

.destination-item img {
    width: 100%;
    border-radius: 24px;
}

.destination-item.reverse {
    direction: rtl;
}
.destination-item.reverse div {
    direction: ltr;
}
.tour-full {
    height: 70vh;
    background: url("image/dulich/dau-an4.jpg") center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 40px;
    text-align: center;
    position: relative;
}

.tour-full::after {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.4);
}
.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 100px;
    align-items: center;
}


.intro-media img {
    width: 100%;
    height: 360px;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.22);
}


.intro-media blockquote {
    margin-top: 25px;
    font-family: 'Playfair Display', serif;
    font-style: italic;
    font-size: 18px;
    color: #555;
    border-left: 4px solid #c62828;
    padding-left: 20px;
}
/* ===== FULL WIDTH BACKGROUND ===== */
.intro-wrapper {
    width: 100%;
    background: linear-gradient(
        to right,
        #f4f6fb 0%,
        #ffffff 50%,
        #f4f6fb 100%
    );
    padding: 140px 0;
}

/* ===== CONTAINER TRONG ===== */
.tour-intro {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== GRID ===== */
.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 100px;
    align-items: center;
}

/* ===== MEDIA ===== */
.intro-media img {
    width: 100%;
    height: 380px;
    object-fit: cover;
    border-radius: 24px;
    box-shadow: 0 35px 70px rgba(0,0,0,0.25);
}

.intro-media blockquote {
    margin-top: 30px;
    font-family: 'Playfair Display', serif;
    font-style: italic;
    font-size: 19px;
    color: #444;
    border-left: 4px solid #c62828;
    padding-left: 22px;
}
/* ===== WHY SECTION ===== */
.why-wrapper {
    width: 100%;
    padding: 140px 0;
    background: #f6f8fb;
    overflow: hidden;
}

.why-wrapper h2 {
    text-align: center;
    font-family: 'Playfair Display', serif;
    font-size: 42px;
    margin-bottom: 80px;
}

/* Slider */
.why-slider {
    max-width: 1200px;
    margin: 0 auto;
    overflow: hidden;
}

/* Track chạy ngang */
.why-track {
    display: flex;
    gap: 40px;
    animation: slideWhy 25s linear infinite;
}

/* Item */
.why-item {
    min-width: 360px;
    background: #fff;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.12);
}

.why-item span {
    font-size: 48px;
    font-weight: 700;
    color: #e53935;
    display: block;
    margin-bottom: 15px;
}

.why-item h3 {
    font-family: 'Playfair Display', serif;
    font-size: 22px;
    margin-bottom: 12px;
}

.why-item p {
    font-size: 15px;
    line-height: 1.7;
    color: #555;
}

/* Animation */
@keyframes slideWhy {
    0% { transform: translateX(0); }
    100% { transform: translateX(-70%); }
}
/* ===== HERO SLIDER TEXT READABLE ===== */
.hero,
.page-hero {
    position: relative;
}

/* lớp phủ tối */
.hero::before,
.page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to right,
        rgba(0,0,0,0.55),
        rgba(0,0,0,0.35),
        rgba(0,0,0,0.2)
    );
    z-index: 1;
}

/* đưa chữ lên trên overlay */
.hero-text,
.page-hero-text {
    position: relative;
    z-index: 2;
    color: #fff;
}
/* ===== HERO SLIDER TEXT READABLE ===== */
.hero,
.page-hero {
    position: relative;
}

/* lớp phủ tối */
.hero::before,
.page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to right,
        rgba(0,0,0,0.55),
        rgba(0,0,0,0.35),
        rgba(0,0,0,0.2)
    );
    z-index: 1;
}

/* đưa chữ lên trên overlay */
.hero-text,
.page-hero-text {
    position: relative;
    z-index: 2;
    color: #fff;
}
.experience-premium {
    padding: 120px 10%;
    background: #fff;
    text-align: center;
}

.experience-premium h2 {
    font-size: 40px;
    margin-bottom: 15px;
}

.exp-desc {
    max-width: 700px;
    margin: 0 auto 70px;
    color: #555;
}

.exp-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.exp-card {
    background: #ffffff;
    border-radius: 22px;
    overflow: hidden;
    box-shadow: 0 25px 45px rgba(0,0,0,0.12);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.exp-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 35px 65px rgba(0,0,0,0.18);
}

.exp-card img {
    width: 100%;
    height: 240px;
    object-fit: cover;
}

.exp-content {
    padding: 30px;
    text-align: left;
}

.exp-content h3 {
    font-size: 22px;
    margin-bottom: 12px;
}

.exp-content p {
    font-size: 15px;
    color: #555;
    line-height: 1.7;
}
.video-section {
    max-width: 1100px;
    margin: 140px auto;
    text-align: center;
    padding: 0 20px;
}

.video-section h2 {
    font-size: 36px;
    margin-bottom: 15px;
}

.video-section p {
    max-width: 700px;
    margin: 0 auto 40px;
    color: #555;
}

.video-wrapper {
    position: relative;
    padding-top: 56.25%; /* 16:9 */
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0,0,0,0.25);
}

.video-wrapper iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}
.food-culture {
    max-width: 800px;
}

.food-item {
    display: flex;
    gap: 25px;
    margin-bottom: 35px;
    align-items: flex-start;
}

.food-index {
    font-family: 'Playfair Display', serif;
    font-size: 32px;
    color: #c62828;
    line-height: 1;
}

.food-item h3 {
    font-size: 20px;
    margin-bottom: 6px;
}

.food-item p {
    font-size: 15px;
    color: #555;
    line-height: 1.7;
}