:root {
    --height-Nav: 46.5px;
    --width-content: 60vw;
    --radius: 15px;
}

@import url('https://fonts.googleapis.com/css2?family=Fira+Sans:ital,wght@1,100&family=Lato:wght@300&display=swap');

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

/* Smooth scroll behavior */
html {
    scroll-behavior: smooth;
}

/* Scroll padding to account for fixed header */
html {
    scroll-padding-top: calc(var(--height-Nav) - 25px);
}

/* Ensure sections are properly positioned for anchor links */
#band,
#tour,
#contact {
    scroll-margin-top: calc(var(--height-Nav) - 25px);
}

.white {
    color: #fff !important;
}

body {
    line-height: 1.5;
    font-family: "Lato", sans-serif;
    overflow-x: hidden; /* Prevent horizontal scroll */
}

/* Make images responsive */
img {
    max-width: 100%;
    height: auto;
}

#header {
    height: var(--height-Nav);
    background: #000;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 2;
}

#nav {
    display: inline-block;
}

#nav a {
    text-decoration: none;
}

#nav,
.sub-Nav {
    list-style: none;
}

#nav li {
    display: inline-block;
    position: relative;
}

#nav>li>a {
    color: #fff;
    text-transform: uppercase;
    padding: 0 24px;
}

#nav li a {
    display: block;
    line-height: var(--height-Nav);
}

#nav .down {
    font-size: 12px;
}

.sub-Nav li:hover a,
#nav>li:hover>a {
    color: #000;
    background: #ccc;
}

#nav :hover .sub-Nav {
    display: block;
}

#nav .sub-Nav {
    display: none;
    min-width: 160px;
    background: #fff;
    position: absolute;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
    top: 100%;
    left: 0px;
}

#nav .sub-Nav li {
    width: 100%;
}

#nav .sub-Nav a {
    line-height: 38px;
    padding: 0 16px;
    color: #000;
}

#header .search-btn {
    font-size: 20px;
    float: right;
    color: #fff;
    line-height: var(--height-Nav);
    padding: 0 21px;
}

#header .search-btn:hover {
    background: #f44336;
    cursor: pointer;
}

#sliders {
    position: relative;
    margin-top: var(--height-Nav);
    width: 100%;
    background: url('../img/banner/banner_0.webp') #333 center center / cover no-repeat;
    opacity: 1;
    filter: grayscale(100%);
    transition: all .5s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
    
    /* Fallback for browsers that don't support aspect-ratio */
    height: 100vh;
    min-height: 500px;
    
    /* Responsive aspect ratio based on screen size */
    aspect-ratio: 21/9; /* Ultra-wide for desktop */
    min-height: 100vh; /* Still ensure full viewport height */
    max-height: 100vh; /* Don't exceed viewport height */
}

/* Modern browsers with aspect-ratio support */
@supports (aspect-ratio: 1) {
    #sliders {
        height: auto; /* Let aspect-ratio control height */
    }
}

/* Adjust aspect ratio for different screen sizes */
@media (max-width: 1200px) {
    #sliders {
        aspect-ratio: 16/9; /* Standard widescreen */
    }
}

@media (max-width: 768px) {
    #sliders {
        aspect-ratio: 4/3; /* More square for tablets */
    }
}

@media (max-width: 480px) {
    #sliders {
        aspect-ratio: 3/4; /* Tall for mobile portrait */
        min-height: 100vh;
    }
}

#sliders:hover {
    filter: none;
}

#sliders .cover {
    transition: opacity 1s ease-in-out infinite;
    background-color: rgba(0, 0, 0, 0.2);
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}


#sliders .text-content {
    position: absolute;
    bottom: 80px;
    width: 100%;
    text-align: center;
    color: #fff;
    font-family: 'Fira Sans', sans-serif;
    z-index: 1;
    /* mix-blend-mode: difference; */
}

#sliders .text-heading {
    font-weight: 300;
    font-size: 32px;
}

#sliders .text-descriptio {
    font: italic 16px 'Fira sans', serif;
    margin-bottom: 40px;
}

.active,
.ti-control-record:hover {
    color: #f44336;
    background: #333;
    font-size: 16px;
    border-radius: 50%;
}

.prev,
.next {
    position: absolute;
    color: #fff;
    z-index: 1;
    font-size: 24px;
    background: #333;
    padding: 15px 5px;
    opacity: 0.7;
    transition: all .5s linear;
    top: 50%;
    transform: translateY(-50%); /* Center vertically */
}

.prev:hover,
.next:hover {
    background: rgba(51, 51, 51, 0.5);
}

.prev {
    left: 0;
}

.next {
    right: 0;
}

#container .content {
    width: var(--width-content);
    padding: 80px 0;
    margin: 0 auto;
    min-height: 100vh; /* Full viewport height */
    display: flex;
    flex-direction: column;
    justify-content: center;
}

#container .content-heading,
.content-sub-heading {
    text-align: center;
    margin-bottom: 24px;
}

#container .content-heading {
    font: 28px "Fira Sans", sans-serif;
}

#container .content-sub-heading {
    font: italic 14px "Fira Sans", serif;
    opacity: 0.6;
}

#container #about {
    font-size: 15px;
    text-align: justify;
    line-height: 1.6;
}

#container .content-member {
    display: flex;
    justify-content: space-between;
    margin-top: 45px;
}

#container .member {
    width: 24%;
}

#container .member-name {
    text-align: center;
    font: italic 15px "Fira Sans", sans-serif;
    opacity: 0.7;
    padding: 5px 0;
    height: 40px;
}

#container .member-avatar img {
    width: 100%;
    border-radius: var(--radius);
    height: 280px;
    object-fit: cover;
}


#container .content-tour {
    background: #000;
    padding: 80px 0;
    min-height: 100vh; /* Full viewport height */
    display: flex;
    align-items: center;
    justify-content: center;
}

.content-tour ul,
li {
    list-style: none;
}

.content-tour .tour {
    width: var(--width-content);
    margin: 0 auto;
}

#container .tickets-list {
    background: #fff;
    width: 100%;
    font-size: 14px;
    padding: 10px 0;
    border-radius: var(--radius);
}

.tickets-list li {
    margin: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2px 0;
}

.tickets-list hr {
    margin: 0 20px;
    border: 0;
    border-top: 1px solid #ddd;
    opacity: 0.5;
}

.soldout-tickets {
    background: #f44336;
    padding: 5px;
    color: #fff;
    border-radius: 5px;
}

.tickets {
    background: #000;
    float: right;
    color: #fff;
    width: 20px;
    height: 20px;
    text-align: center;
    border-radius: 50%;
    margin-right: 24px;
}

.tour .img-tour {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    margin-top: 25px;
    color: #000;
    background: rgba(0, 0, 0, 0.5);
    font-size: 15px;
    line-height: 1.6;
    border-radius: var(--radius);
}

.cover-img {
    background: rgba(0, 0, 0);
}

.img-tour .infor-tour {
    margin-left: 10px;
}

.infor-tour p {
    margin: 10px 0;
}

.tour .img-tour li {
    background: #fff;
    width: 30%;
}

.img-tour li:first-child,
.img-tour li:first-child img {
    border-top-left-radius: var(--radius);
}

.img-tour li:last-child,
.img-tour li:last-child img {
    border-top-right-radius: var(--radius);
}

.img-tour li:last-child {
    border-bottom-right-radius: var(--radius);
}

.img-tour li:first-child {
    border-bottom-left-radius: var(--radius);
}

.tour .img-tour img {
    width: 100%;
    height: 100px;
    object-fit: cover;
    display: block;
    filter: grayscale(100%);
    transition: filter .3s ease-in-out;
}

.img-tour img:hover {
    filter: none;
}

.tour .img-tour button {
    margin-bottom: 16px;
    white-space: nowrap;
    border: none;
    display: inline-block;
    text-align: center;
    vertical-align: middle;
    color: #fff;
    padding: 8px 16px;
    background-color: #000;
    border-radius: 4px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.tour .img-tour button:hover {
    color: #000;
    background-color: #ccc;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.img-tour .tour-date {
    opacity: 0.6;
}

.fan {
    display: flex;
    justify-content: space-between;
}

.contact-infor .location,
.contact-infor .phone,
.contact-infor .mail {
    margin: 5px 0;
    font-size: 14px;
    font-weight: 300;
    opacity: 0.7;
    font-style: italic;
}

.contact-infor span {
    margin-left: 10px;
    font-weight: 300;
}

.contact-faninfor input {
    padding: 8px;
    overflow: visible;
    margin: 5px 0;
    border: 1px solid #ccc;
    width: 100%;
    box-sizing: border-box;
}

.contact-faninfor .faninfor-submit {
    text-transform: uppercase;
    float: right;
}

.contact-faninfor .fill {
    width: 100%;
    display: flex;
    gap: 10px;
}

.contact-faninfor .fill input {
    flex: 1;
}

.message {
    width: 100%;
}

.faninfor-submit:hover {
    color: #000;
    background-color: #ccc;
}

.faninfor-submit {
    color: #fff;
    background: #000;
    border: none;
    vertical-align: middle;
    text-align: center;
    cursor: pointer;
    padding: 8px 16px;
    white-space: nowrap;
    border-radius: 5px;
}

#container .img-container {
    position: relative;
    height: 100vh; /* Full viewport height */
    min-height: 400px; /* Minimum height for small screens */
    background: url('../img/containner-img.jpg') center center / cover no-repeat;
    filter: grayscale(100%);
    transition: all .3s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
}

#container .img-container:hover {
    filter: none;
}

#footer {
    width: 100%;
    text-align: center;
    background: #f1f1f1;
    padding: 54px 0;
}

#footer a {
    text-decoration: none;
    color: #000;
}

#footer .footer-icons {
    font-size: 24px;
    margin: 0 auto;
    width: var(--width-content);
    opacity: 0.6
}

#footer .footer-icons i {
    width: 30px;
    height: 30px;
    text-align: center;
    padding: 3px 0;
    align-items: center;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.4);
}

#footer .footer-icons i:hover {
    opacity: 0.5;
    cursor: pointer;
}

.small-font {
    font: italic 200 14px 'Fira Sans', sans-serif;
    opacity: 0.5;
    transition: opacity 1s ease-in-out infinite;
}

.small-font:hover {
    opacity: 0.9;
}

/* .modal{
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 3;
    background:rgb(0, 0, 0, 0.3)
} */

/* ===== RESPONSIVE DESIGN ===== */

/* Mobile Menu Toggle Button */
#header .mobile-menu-btn {
    display: none;
    position: absolute;
    top: 0;
    right: 0;
    line-height: var(--height-Nav);
    padding: 0 21px;
    color: #fff;
    font-size: 18px;
    cursor: pointer;
}

#header .mobile-menu-btn:hover {
    background-color: #ccc;
    color: #000;
}

/* Tablet styles */
@media only screen and (max-width: 1023px) {
    :root {
        --width-content: 80vw;
    }
    
    #container .member {
        width: 48%;
        margin-bottom: 30px;
    }
    
    #container .content-member {
        flex-wrap: wrap;
    }
    
    .tour .img-tour {
        flex-direction: column;
        margin-top: 15px;
    }
    
    .tour .img-tour li {
        width: 100%;
        margin-bottom: 20px;
    }
    
    .img-tour li:first-child,
    .img-tour li:last-child,
    .img-tour li:first-child img,
    .img-tour li:last-child img {
        border-radius: var(--radius);
    }
    
    .fan {
        flex-direction: column;
    }
    
    .contact-faninfor {
        margin-top: 30px;
    }
    
    #container .content-tour {
        padding: 60px 20px;
    }
    
    /* Adjust section heights for tablet */
    #container .content,
    #container .content-tour {
        min-height: 90vh;
    }
}

/* Mobile styles */
@media only screen and (max-width: 739px) {
    :root {
        --width-content: 95vw;
    }
    
    /* Adjust scroll offset for mobile */
    html {
        scroll-padding-top: calc(var(--height-Nav) - 20px);
    }
    
    #band,
    #tour,
    #contact {
        scroll-margin-top: calc(var(--height-Nav) - 20px);
    }
    
    /* Mobile Navigation */
    #header .mobile-menu-btn {
        display: block;
    }
    
    #header .search-btn {
        display: none;
    }
    
    #nav {
        display: none;
        position: fixed;
        top: var(--height-Nav);
        left: 0;
        right: 0;
        background: #333;
        flex-direction: column;
        z-index: 3;
        box-shadow: 0 3px 6px rgba(0, 0, 0, 0.16);
    }
    
    #nav.open {
        display: flex;
    }
    
    #nav li {
        display: block;
        width: 100%;
        border-bottom: 1px solid #555;
    }
    
    #nav li a {
        padding: 12px 24px;
        color: #fff;
    }
    
    #nav .sub-Nav {
        position: static;
        display: block;
        box-shadow: none;
        background: #444;
    }
    
    #nav .sub-Nav a {
        padding-left: 40px;
    }
    
    /* Slider adjustments */
    #sliders .text-content {
        padding: 0 15px;
        bottom: 30px;
    }
    
    #sliders .text-heading {
        font-size: 24px;
    }
    
    #sliders .text-descriptio {
        font-size: 14px;
        margin-bottom: 20px;
    }
    
    .currentslide .ti-control-record {
        margin: 0 3px;
        padding: 5px;
        font-size: 12px;
    }
    
    .prev, .next {
        font-size: 18px;
        padding: 10px 3px;
    }
    
    /* Content adjustments */
    #container .content {
        padding: 40px 15px;
        min-height: 100vh;
    }
    
    #container .content-tour {
        padding: 40px 15px;
        min-height: 100vh;
    }
    
    #sliders {
        min-height: 100vh;
        aspect-ratio: 4/3; /* Override for mobile */
    }
    
    #sliders .text-content {
        bottom: 60px;
        padding: 0 15px;
    }
    
    #container .content-heading {
        font-size: 24px;
    }
    
    #container .content-sub-heading {
        font-size: 13px;
    }
    
    #container #about {
        font-size: 14px;
    }
    
    /* Members section */
    #container .member {
        width: 100%;
        margin-bottom: 32px;
    }
    
    #container .member-avatar img {
        height: 220px;
    }
    
    /* Tour section */
    #container .content-tour {
        padding: 40px 15px;
        min-height: 100vh;
    }
    
    .content-tour .tour {
        width: 100%;
    }
    
    /* Improve tickets list for mobile */
    #container .tickets-list {
        font-size: 13px;
        padding: 8px 0;
        margin-bottom: 20px;
    }
    
    .tickets-list li {
        margin: 8px 15px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 4px 0;
    }
    
    .soldout-tickets,
    .tickets {
        flex-shrink: 0;
        font-size: 11px;
    }
    
    .soldout-tickets {
        padding: 3px 8px;
    }
    
    .tickets {
        width: 18px;
        height: 18px;
        line-height: 18px;
        font-size: 10px;
        margin-right: 0;
    }
    
    /* Improve tour cards for mobile */
    .tour .img-tour {
        gap: 15px;
        padding: 10px;
    }
    
    .tour .img-tour li {
        border-radius: var(--radius) !important;
        box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        overflow: hidden;
    }
    
    .tour .img-tour img {
        height: 120px;
    }
    
    .img-tour .infor-tour {
        margin: 12px;
    }
    
    .infor-tour p {
        margin: 8px 0;
        font-size: 13px;
        line-height: 1.4;
    }
    
    .infor-tour p:first-child {
        font-size: 14px;
        margin-bottom: 4px;
    }
    
    .infor-tour .tour-date {
        color: #666;
        font-size: 12px;
        margin-bottom: 8px;
    }
    
    .tour .img-tour button {
        padding: 8px 16px;
        font-size: 12px;
        margin-bottom: 12px;
        border-radius: 4px;
        font-weight: 500;
        transition: all 0.3s ease;
    }
    
    .tour .img-tour button:hover {
        transform: translateY(-1px);
        box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    }
    
    /* Contact section */
    .contact-infor .location,
    .contact-infor .phone,
    .contact-infor .mail {
        font-size: 13px;
    }
    
    .contact-faninfor input,
    .message {
        font-size: 16px; /* Prevent zoom on iOS */
        width: 100%;
    }
    
    .contact-faninfor .fill {
        flex-direction: column;
        gap: 0;
    }
    
    .contact-faninfor .fill input {
        width: 100%;
        margin-bottom: 10px;
    }
    
    /* Footer adjustments */
    #footer {
        padding: 32px 15px;
    }
    
    #footer .footer-icons {
        width: 100%;
        margin-bottom: 20px;
    }
    
    #footer .footer-icons i {
        margin: 0 5px;
        font-size: 20px;
    }
    
    .small-font {
        font-size: 12px;
        padding: 0 15px;
    }
}

/* Very small mobile devices */
@media only screen and (max-width: 479px) {
    :root {
        --height-Nav: 42px;
    }
    
    /* Adjust scroll offset for smaller header */
    html {
        scroll-padding-top: calc(var(--height-Nav) - 25px);
    }
    
    #band,
    #tour,
    #contact {
        scroll-margin-top: calc(var(--height-Nav) - 25px);
    }
    
    #sliders {
        min-height: 100vh;
        aspect-ratio: 3/4; /* Tall portrait for very small mobile */
    }
    
    #sliders .text-heading {
        font-size: 20px;
    }
    
    #sliders .text-descriptio {
        font-size: 12px;
    }
    
    #sliders .text-content {
        bottom: 40px;
    }
    
    #container .content {
        min-height: 100vh;
        padding: 30px 15px;
    }
    
    #container .content-tour {
        min-height: 100vh;
        padding: 30px 15px;
    }
    
    #container .content-heading {
        font-size: 20px;
    }
    
    #container .member-avatar img {
        height: 180px;
    }
    
    .tickets-list li {
        margin: 6px 10px;
        font-size: 12px;
    }
    
    /* Improve very small mobile tour cards */
    .tour .img-tour {
        gap: 12px;
        padding: 8px;
    }
    
    .tour .img-tour img {
        height: 100px;
    }
    
    .img-tour .infor-tour {
        margin: 8px;
    }
    
    .infor-tour p {
        font-size: 12px;
        margin: 6px 0;
    }
    
    .infor-tour p:first-child {
        font-size: 13px;
    }
    
    .infor-tour .tour-date {
        font-size: 11px;
    }
    
    .tour .img-tour button {
        padding: 6px 12px;
        font-size: 11px;
        margin-bottom: 8px;
    }
    
    #footer .footer-icons i {
        font-size: 18px;
        width: 26px;
        height: 26px;
    }
    
    /* Ensure img-container is still visible on very small screens */
    #container .img-container {
        min-height: 50vh;
    }
}

/* Landscape orientation adjustments */
@media only screen and (max-height: 500px) and (orientation: landscape) {
    #sliders {
        min-height: 100vh;
        aspect-ratio: 21/9; /* Ultra-wide for landscape */
        max-height: none; /* Allow natural aspect ratio height */
    }
    
    #sliders .text-content {
        bottom: 20px;
    }
    
    #sliders .text-heading {
        font-size: 18px;
        margin-bottom: 5px;
    }
    
    #sliders .text-descriptio {
        font-size: 11px;
        margin-bottom: 10px;
    }
    
    .currentslide .ti-control-record {
        padding: 3px;
        font-size: 10px;
    }
    
    #container .content,
    #container .content-tour {
        min-height: 100vh;
        padding: 20px 15px;
    }
    
    #container .content-heading {
        font-size: 18px;
        margin-bottom: 15px;
    }
    
    #container .content-sub-heading {
        font-size: 12px;
        margin-bottom: 15px;
    }
}