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

html,
body {
    overflow-x: hidden;
    max-width: 100%;
    font-family: "Inter", sans-serif;
    scroll-behavior: smooth;
    height: 100%;
}

body {
    background-color: #ffffff;
    position: relative;
    margin: 0;
    padding: 0;
}
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

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

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }

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

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

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

@keyframes pulse {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }

    100% {
        transform: scale(1);
    }
}

@keyframes float {
    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-10px);
    }
}

@keyframes shake {
    0%,
    100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-5px);
    }

    75% {
        transform: translateX(5px);
    }
}

@keyframes glow {
    0% {
        box-shadow: 0 0 5px rgba(247, 20, 179, 0.3);
    }

    50% {
        box-shadow: 0 0 20px rgba(247, 20, 179, 0.6);
    }

    100% {
        box-shadow: 0 0 5px rgba(247, 20, 179, 0.3);
    }
}

/* Scroll Animation Classes */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

.animate-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease-out;
}

.animate-left.animated {
    opacity: 1;
    transform: translateX(0);
}

.animate-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s ease-out;
}

.animate-right.animated {
    opacity: 1;
    transform: translateX(0);
}

.container {
    max-width: 95vw !important;
}

/* Container chính */
.wrapper {
    margin: 0 auto;
    overflow-x: hidden;
    position: relative;
}

/* Navigation Bar */
.top-nav {
    background-color: #ffbc06;
    min-height: 44px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0 15px;
    width: 100%;
    box-sizing: border-box;
}

/* Add padding to body to account for fixed nav */
.wrapper {
    padding-top: 44px;
}

/* Scroll margin for fixed navigation */
section[id] {
    scroll-margin-top: 80px;
}

.nav-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    padding: 8px 0;
    min-height: 44px;
    animation: fadeInDown 0.8s ease-out;
    position: relative;
}

/* Desktop Logo */
.desktop-logo {
    position: absolute;
    left: 15%;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
}

.desktop-logo img {
    height: 35px;
    width: auto;
    transition: all 0.3s ease;
}

.desktop-logo img:hover {
    transform: scale(1.1);
}

/* Desktop Register Button */
.nav-register-btn {
    position: absolute;
    right: 15%;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    background: linear-gradient(135deg, #f714b3 0%, #d6128f 100%);
    color: white;
    border: none;
    border-radius: 25px;
    padding: 8px 20px;
    font-family: "Montserrat", sans-serif;
    font-weight: 700;
    font-size: 14px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    display: inline-block;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(247, 20, 179, 0.2);
    text-decoration: none;
    cursor: pointer;
}

.nav-register-btn::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transition: left 0.5s ease;
}

.nav-register-btn:hover::before {
    left: 100%;
}

.nav-register-btn:hover {
    background: linear-gradient(135deg, #d6128f 0%, #f714b3 100%);
    transform: translateY(-50%) scale(1.05);
    box-shadow: 0 8px 20px rgba(247, 20, 179, 0.4);
    color: white;
    text-decoration: none;
}

.nav-register-btn:active {
    transform: translateY(-50%) scale(1.02);
    box-shadow: 0 4px 15px rgba(247, 20, 179, 0.3);
}

/* Dropdown Styles */
.nav-register-dropdown {
    position: absolute;
    right: 15%;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
}

.dropdown-toggle {
    background: linear-gradient(135deg, #f714b3 0%, #d6128f 100%);
    color: white;
    border: none;
    border-radius: 25px;
    padding: 8px 20px;
    font-family: "Montserrat", sans-serif;
    font-weight: 700;
    font-size: 14px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(247, 20, 179, 0.2);
    text-decoration: none;
    cursor: pointer;
}

/* Tắt mũi tên mặc định của Bootstrap */
.dropdown-toggle::after {
    display: none !important;
    content: none !important;
    border: none !important;
}

.dropdown-toggle::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transition: left 0.5s ease;
}

.dropdown-toggle:hover::before {
    left: 100%;
}

.dropdown-toggle:hover {
    background: linear-gradient(135deg, #d6128f 0%, #f714b3 100%);
    transform: translateY(0) scale(1.05);
    box-shadow: 0 8px 20px rgba(247, 20, 179, 0.4);
    color: white;
    text-decoration: none;
}

.dropdown-arrow {
    font-size: 12px;
    transition: transform 0.3s ease;
}

.dropdown-toggle.active .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    padding: 8px 0;
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    margin-top: 8px;
}

.dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: #1e1e1e;
    text-decoration: none;
    font-family: "Montserrat", sans-serif;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.dropdown-item i {
    margin-right: 8px;
    width: 16px;
    text-align: center;
}

.dropdown-item::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(247, 20, 179, 0.1),
        transparent
    );
    transition: left 0.3s ease;
}

.dropdown-item:hover::before {
    left: 100%;
}

.dropdown-item:hover {
    background: linear-gradient(
        135deg,
        rgba(247, 20, 179, 0.1) 0%,
        rgba(214, 18, 143, 0.1) 100%
    );
    color: #f714b3;
    transform: translateX(5px);
}

.dropdown-item:first-child {
    border-top-left-radius: 15px;
    border-top-right-radius: 15px;
}

.dropdown-item:last-child {
    border-bottom-left-radius: 15px;
    border-bottom-right-radius: 15px;
}

.nav-item-custom {
    color: #f714b3;
    font-weight: 600;
    font-size: 16px;
    padding: 8px 16px;
    text-decoration: none;
    transition: all 0.3s ease;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.nav-item-custom::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: left 0.5s ease;
}

.nav-item-custom:hover::before {
    left: 100%;
}

.nav-item-custom:hover {
    color: #d6128f;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.nav-item-custom:active {
    transform: translateY(0px);
}

/* Mobile Navigation */
.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    color: #f714b3;
    font-size: 24px;
    cursor: pointer;
    padding: 10px;
    transition: all 0.3s ease;
    border-radius: 50%;
}

.mobile-nav-toggle:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: rotate(180deg);
}

.mobile-logo {
    display: none;
    animation: fadeInLeft 0.8s ease-out;
}

.mobile-nav-menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background-color: #ffbc06;
    z-index: 2000;
    transition: left 0.3s ease;
    overflow-y: auto;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
}

.mobile-nav-menu.active {
    left: 0;
    animation: fadeInLeft 0.3s ease;
}

.mobile-nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1999;
    opacity: 0;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(5px);
}

.mobile-nav-overlay.active {
    display: block;
    opacity: 1;
}

.mobile-nav-header {
    padding: 20px;
    border-bottom: 1px solid rgba(247, 20, 179, 0.2);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #ffbc06;
}

.mobile-nav-close {
    background: none;
    border: none;
    color: #f714b3;
    font-size: 24px;
    cursor: pointer;
    padding: 5px;
    transition: all 0.3s ease;
    border-radius: 50%;
}

.mobile-nav-close:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: rotate(90deg);
}

.mobile-nav-items {
    padding: 20px;
    background-color: #ffbc06;
}

.mobile-nav-item {
    display: block;
    color: #f714b3;
    font-weight: 600;
    font-size: 16px;
    padding: 12px 0;
    text-decoration: none;
    border-bottom: 1px solid rgba(247, 20, 179, 0.1);
    transition: all 0.3s ease;
    position: relative;
}

.mobile-nav-item::before {
    content: "";
    position: absolute;
    left: -10px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 2px;
    background-color: #f714b3;
    transition: width 0.3s ease;
}

.mobile-nav-item:hover {
    color: #d6128f;
    padding-left: 10px;
    background-color: rgba(255, 255, 255, 0.1);
}

.mobile-nav-item:hover::before {
    width: 5px;
}

/* Mobile Register Buttons */
.mobile-register-section {
    padding: 20px;
    border-top: 2px solid rgba(247, 20, 179, 0.2);
    background: linear-gradient(
        135deg,
        rgba(247, 20, 179, 0.1) 0%,
        rgba(214, 18, 143, 0.1) 100%
    );
}

.mobile-register-btn {
    display: block;
    width: 100%;
    background: linear-gradient(135deg, #f714b3 0%, #d6128f 100%);
    color: white;
    border: none;
    border-radius: 25px;
    padding: 12px 20px;
    font-family: "Montserrat", sans-serif;
    font-weight: 700;
    font-size: 16px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    margin-bottom: 10px;
    text-decoration: none;
    text-align: center;
    box-shadow: 0 4px 15px rgba(247, 20, 179, 0.3);
}

.mobile-register-btn:hover {
    background: linear-gradient(135deg, #d6128f 0%, #f714b3 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(247, 20, 179, 0.4);
    color: white;
    text-decoration: none;
}

.mobile-register-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(247, 20, 179, 0.3);
}

.mobile-register-btn i {
    margin-right: 8px;
}

.hero-section {
    position: relative;
    width: 100%;
    background-size: 100% 100%;
    /* Kéo giãn ảnh để vừa khít */
    background-position: center center;
    background-repeat: no-repeat;
    display: flex;
    align-items: flex-end;
    padding: 40px 20px;
}

.hero-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(255, 188, 6, 0.1) 0%,
        rgba(247, 20, 179, 0.1) 100%
    );
    z-index: 1;
    transition: opacity 0.3s ease;
}

.hero-section:hover::before {
    opacity: 0.8;
}

/* Điều chỉnh chiều cao cho từng breakpoint */
@media (min-width: 768px) {
    .hero-section {
        height: calc(100vw * 0.5625);
        max-height: 100vh;
    }
}

@media (min-width: 1200px) {
    .hero-section {
        height: 675px;
        /* Cố định cho desktop */
    }

    .hero-content {
        margin: 0 0 0 180px;
    }
}

@media (min-width: 1920px) {
    .hero-section {
        height: 1080px;
        /* Full HD */
    }
}

/* Mobile */
@media (max-width: 767px) {
    .hero-section {
        height: 60vh;
        min-height: 400px;
        margin-top: 10px;
    }
}

.hero-content {
    width: 100%;
    max-width: 100%;
    margin: 0 0 0 180px;
    display: flex;
    justify-content: start;
    align-items: center;
    position: relative;
    z-index: 2;
    animation: fadeInUp 1s ease-out 0.5s both;
}

.hero-title {
    font-family: "Montserrat", sans-serif;
    font-weight: 900;
    font-size: clamp(32px, 6vw, 64px);
    color: #ffbc06;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    margin-bottom: 20px;
    animation: fadeInLeft 1s ease-out 0.7s both;
}

.hero-subtitle {
    font-family: "Montserrat", sans-serif;
    font-weight: 800;
    font-size: clamp(24px, 4vw, 48px);
    color: #f714b3;
    margin-bottom: 30px;
    animation: fadeInRight 1s ease-out 0.9s both;
}

/* Button Styles */
.btn-register {
    background: linear-gradient(135deg, #f714b3 0%, #d6128f 100%);
    color: white;
    border: none;
    border-radius: 56px;
    padding: 16px 40px;
    font-family: "Montserrat", sans-serif;
    font-weight: 800;
    font-size: clamp(16px, 2vw, 24px);
    transition: all 0.3s ease;
    text-transform: uppercase;
    display: inline-block;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(247, 20, 179, 0.2);
    animation: pulse 2s infinite;
}

.btn-register::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transition: left 0.5s ease;
}

.btn-register:hover::before {
    left: 100%;
}

.btn-register:hover {
    background: linear-gradient(135deg, #d6128f 0%, #f714b3 100%);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 30px rgba(247, 20, 179, 0.4);
    color: white;
    animation: glow 1.5s infinite;
}

.btn-register:active {
    transform: translateY(-1px) scale(1.01);
    box-shadow: 0 8px 20px rgba(247, 20, 179, 0.3);
}

/* Banner Dropdown Styles */
.banner-register-dropdown {
    position: relative;
    display: inline-block;
    z-index: 10;
}

.banner-dropdown-toggle {
    background: linear-gradient(135deg, #f714b3 0%, #d6128f 100%);
    color: white;
    border: none;
    border-radius: 56px;
    padding: 16px 40px;
    font-family: "Montserrat", sans-serif;
    font-weight: 800;
    font-size: clamp(16px, 2vw, 24px);
    transition: all 0.3s ease;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(247, 20, 179, 0.2);
    animation: pulse 2s infinite;
    cursor: pointer;
}

/* Tắt mũi tên mặc định của Bootstrap cho banner dropdown */
.banner-dropdown-toggle::after {
    display: none !important;
    content: none !important;
    border: none !important;
}

.banner-dropdown-toggle::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transition: left 0.5s ease;
}

.banner-dropdown-toggle:hover::before {
    left: 100%;
}

.banner-dropdown-toggle:hover {
    background: linear-gradient(135deg, #d6128f 0%, #f714b3 100%);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 30px rgba(247, 20, 179, 0.4);
    color: white;
    animation: glow 1.5s infinite;
    text-decoration: none;
}

.banner-dropdown-toggle:active {
    transform: translateY(-1px) scale(1.01);
    box-shadow: 0 8px 20px rgba(247, 20, 179, 0.3);
}

.banner-dropdown-arrow {
    font-size: 16px;
    transition: transform 0.3s ease;
}

.banner-dropdown-toggle.active .banner-dropdown-arrow {
    transform: rotate(180deg);
}

.banner-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
    padding: 12px 0;
    min-width: 280px;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    margin-top: 12px;
}

.banner-dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.banner-dropdown-item {
    display: flex;
    align-items: center;
    padding: 16px 24px;
    color: #1e1e1e;
    text-decoration: none;
    font-family: "Montserrat", sans-serif;
    font-weight: 700;
    font-size: 16px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.banner-dropdown-item i {
    margin-right: 12px;
    width: 20px;
    text-align: center;
    color: #f714b3;
}

.banner-dropdown-item::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(247, 20, 179, 0.1),
        transparent
    );
    transition: left 0.3s ease;
}

.banner-dropdown-item:hover::before {
    left: 100%;
}

.banner-dropdown-item:hover {
    background: linear-gradient(
        135deg,
        rgba(247, 20, 179, 0.1) 0%,
        rgba(214, 18, 143, 0.1) 100%
    );
    color: #f714b3;
    transform: translateX(8px);
}

.banner-dropdown-item:hover i {
    color: #d6128f;
    transform: scale(1.2);
}

.banner-dropdown-item:first-child {
    border-top-left-radius: 20px;
    border-top-right-radius: 20px;
}

.banner-dropdown-item:last-child {
    border-bottom-left-radius: 20px;
    border-bottom-right-radius: 20px;
}

/* Content Sections */
.content-section {
    padding: 80px 20px;
    position: relative;
    overflow: hidden;
}

.content-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.1),
        transparent
    );
    transition: left 2s ease;
    z-index: 1;
}

.content-section:hover::before {
    left: 100%;
}

.content-section-1 {
    padding: 50px 20px 20px 20px;
    position: relative;
    overflow: hidden;
}

.section-yellow {
    background-color: #ffbc06;
    background-image: radial-gradient(
            circle at 20% 50%,
            rgba(255, 255, 255, 0.1) 0%,
            transparent 50%
        ),
        radial-gradient(
            circle at 80% 20%,
            rgba(247, 20, 179, 0.1) 0%,
            transparent 50%
        );
}

.section-beige {
    background-color: #f6f1e5;
    background-image: radial-gradient(
            circle at 30% 80%,
            rgba(255, 188, 6, 0.1) 0%,
            transparent 50%
        ),
        radial-gradient(
            circle at 70% 30%,
            rgba(247, 20, 179, 0.05) 0%,
            transparent 50%
        );
}

.section-title {
    font-family: "Montserrat", sans-serif;
    font-weight: 900;
    font-size: clamp(24px, 4vw, 48px);
    color: #1e1e1e;
    text-align: center;
    margin-bottom: 40px;
    padding: 0 15px;
    word-wrap: break-word;
    position: relative;
    z-index: 2;
}

.content-text {
    font-family: "Inter", sans-serif;
    font-size: 16px;
    line-height: 32px;
    color: #000000cc;
    text-align: justify;
    padding: 0 15px;
    position: relative;
    z-index: 2;
}

/* Accordion Styles */
.accordion-custom {
    margin-bottom: 15px;
    padding: 0 15px;
    position: relative;
    z-index: 2;
}

.accordion-custom .accordion-button-custom:not(.collapsed) {
    border-radius: 25px 25px 0 0;
}

.accordion-button-custom {
    background: linear-gradient(135deg, #ffbc06 0%, #f0b000 100%);
    border-radius: 25px;
    padding: 16px 20px;
    padding-right: 55px;
    border: none;
    width: 100%;
    text-align: left;
    font-family: "Montserrat", sans-serif;
    font-weight: 800;
    font-size: clamp(14px, 2vw, 20px);
    color: #1e1e1e;
    position: relative;
    transition: all 0.3s ease;
    word-wrap: break-word;
    line-height: 1.4;
    cursor: pointer;
    overflow: hidden;
    white-space: normal;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.accordion-button-custom::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transition: left 0.5s ease;
}

.accordion-button-custom:hover::before {
    left: 100%;
}

.accordion-button-custom:hover {
    background: linear-gradient(135deg, #f0b000 0%, #ffbc06 100%);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(255, 188, 6, 0.3);
}

.accordion-button-custom:active {
    transform: translateY(0px);
}

.accordion-button-custom::after {
    content: "";
    position: absolute;
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
    transition: all 0.3s ease;
    width: 24px;
    height: 23px;
    background-image: url("data:image/svg+xml,%3Csvg width='32' height='31' viewBox='0 0 32 31' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M10.88 30.464V0H20.736V30.464H10.88ZM0 19.904V10.56H31.552V19.904H0Z' fill='white'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    flex-shrink: 0;
}

.accordion-button-custom.collapsed::after {
    background-image: url("data:image/svg+xml,%3Csvg width='32' height='31' viewBox='0 0 32 31' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M10.88 30.464V0H20.736V30.464H10.88ZM0 19.904V10.56H31.552V19.904H0Z' fill='white'/%3E%3C/svg%3E");
}

.accordion-button-custom:not(.collapsed)::after {
    background-image: url("data:image/svg+xml,%3Csvg width='32' height='31' viewBox='0 0 32 31' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 10.56H31.552V19.904H0V10.56Z' fill='white'/%3E%3C/svg%3E");
}

/* Accordion Content Styles */
.accordion-content {
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.4s ease, opacity 0.3s ease;
    background-color: #f6f1e5;
    border-radius: 0 0 20px 20px;
    opacity: 0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.accordion-content.show {
    max-height: 100%;
    opacity: 1;
    animation: fadeInUp 0.4s ease;
}

.accordion-content-inner {
    padding: 20px 25px;
    font-family: "Inter", sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #1e1e1e;
}

.accordion-content-inner img {
    width: 100% !important;
}

.accordion-content-inner h4 {
    font-family: "Montserrat", sans-serif;
    font-weight: 700;
    font-size: 18px;
    color: #1e1e1e;
    margin-bottom: 15px;
}

.accordion-content-inner ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.accordion-content-inner li {
    padding: 8px 0;
    border-bottom: 1px solid #e0d8cc;
}

.accordion-content-inner li:last-child {
    border-bottom: none;
}

.accordion-content-inner .price {
    color: #f714b3;
    font-weight: 700;
}

/* Regulations accordion - align left */
#regulations .accordion-content-inner {
    text-align: left;
}

#regulations .accordion-content-inner p,
#regulations .accordion-content-inner h4,
#regulations .accordion-content-inner ul,
#regulations .accordion-content-inner li,
#regulations .accordion-content-inner div {
    text-align: left;
}

/* Mobile responsive for accordion */
@media (max-width: 767px) {
    .accordion-button-custom {
        border-radius: 20px;
        padding: 14px 16px;
        padding-right: 50px;
        font-size: 14px;
        line-height: 1.3;
    }

    .accordion-custom .accordion-button-custom:not(.collapsed) {
        border-radius: 20px 20px 0 0;
    }

    .accordion-button-custom::after {
        right: 15px;
        width: 20px;
        height: 19px;
    }

    .accordion-content {
        border-radius: 0 0 15px 15px;
    }

    .accordion-content-inner {
        padding: 15px 18px;
        font-size: 14px;
    }

    .accordion-content-inner h4 {
        font-size: 16px;
        margin-bottom: 12px;
    }
}

/* Milestone Section */
.milestone-section {
    background-size: 100% auto;
    background-position: center top;
    background-repeat: no-repeat;
    min-height: 56.25vw;
    height: auto;
    width: 100vw;
    margin: 0;
    padding: 70px 0 0 0;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.milestone-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(255, 188, 6, 0.1) 0%,
        rgba(247, 20, 179, 0.1) 100%
    );
    z-index: 1;
    transition: opacity 0.3s ease;
}

.milestone-section:hover::before {
    background: linear-gradient(
        135deg,
        rgba(255, 188, 6, 0.2) 0%,
        rgba(247, 20, 179, 0.2) 100%
    );
}

.milestone-container {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 95vw;
    width: 100%;
    padding: 0 20px;
    animation: fadeInUp 1s ease-out;
}

.milestone-title {
    font-family: "Montserrat", sans-serif;
    font-weight: 900;
    font-size: 48px;
    color: #1e1e1e;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
    margin: 0;
    line-height: 1.2;
    text-align: center;
    animation: pulse 3s infinite;
}

@media (min-width: 768px) {
    .milestone-section {
        min-height: 56.25vw;
        padding: 50px 0 0 0;
    }
}

@media (max-width: 1200px) {
    .milestone-section {
        min-height: 56.25vw;
        padding: 50px 0 0 0;
    }
    .milestone-title {
        font-size: 36px !important;
    }
}



@media (max-width: 768px) {
   
    .milestone-title {
        font-size: 32px !important;
    }
}

@media (max-width: 576px) {
   
    .milestone-title {
        font-size: 24px !important;
        line-height: 1.2;
    }
}

@media (max-width: 480px) {
    .milestone-section {
        padding: 40px 0 0 0;
    }

    .milestone-title {
        font-size: 20px !important;
        line-height: 1.3;
    }
}

/* Info Section Styles */
.info-item {
    margin-bottom: 15px;
}

.info-button {
    background: linear-gradient(135deg, #ffbc06 0%, #f0b000 100%);
    border: none;
    border-radius: 100px;
    padding: 20px 25px;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: "Montserrat", sans-serif;
    font-weight: 800;
    font-size: clamp(16px, 2vw, 24px);
    color: #1e1e1e;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 3px solid transparent;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.info-button::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transition: left 0.5s ease;
}

.info-button:hover::before {
    left: 100%;
}

.info-button:hover {
    background: linear-gradient(135deg, #f0b000 0%, #ffbc06 100%);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 25px rgba(255, 188, 6, 0.3);
}

.info-button:active {
    transform: translateY(-1px) scale(1.01);
}

.info-button.active {
    background: linear-gradient(
        135deg,
        rgba(255, 188, 6, 0.3) 0%,
        rgba(255, 188, 6, 0.5) 100%
    );
    color: #1e1e1e;
    border: 3px solid #ffbc06;
    box-shadow: 0 0 20px rgba(255, 188, 6, 0.5);
    animation: glow 2s infinite;
}

.info-button.active svg path {
    fill: white;
}

.info-button svg {
    width: 32px;
    height: 26px;
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.info-button:hover svg {
    transform: translateX(5px);
}

.info-button svg path {
    fill: white;
    transition: fill 0.3s ease;
}

.info-title {
    font-family: "Montserrat", sans-serif;
    font-weight: 900;
    font-size: clamp(24px, 4vw, 48px);
    color: #1e1e1e;
    margin-bottom: 30px;
    text-align: center;
    position: relative;
}

.info-title::after {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, #ffbc06, #f714b3);
    transition: width 0.5s ease;
}

.info-title:hover::after {
    width: 100px;
}

.info-content {
    display: none;
    font-family: "Inter", sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #1e1e1e;
    text-align: justify;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease;
}

.info-content img {
    width: 100% !important;
}

.info-content.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
    animation: fadeInUp 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

.info-content h4 {
    font-family: "Montserrat", sans-serif;
    font-weight: 700;
    font-size: 20px;
    color: #1e1e1e;
    margin-bottom: 15px;
}

.info-content ul {
    list-style: none;
    padding: 0;
    margin: 15px 0;
}

.info-content li {
    padding: 8px 0;
    border-bottom: 1px solid #e0d8cc;
}

.info-content li:last-child {
    border-bottom: none;
}

.info-content hr {
    border: none;
    height: 2px;
    background-color: #e0d8cc;
    margin: 20px 0;
}

.plane-icon {
    position: absolute;
    bottom: 20px;
    right: 20px;
    opacity: 0.3;
}

.plane-icon img {
    width: 120px;
    height: auto;
}

@media (max-width: 768px) {
    .info-button {
        border-radius: 50px;
        padding: 14px 18px;
        font-size: 14px;
        line-height: 1.3;
    }

    .info-button svg {
        width: 20px;
        height: 16px;
    }

    .info-title {
        text-align: center;
        margin-bottom: 20px;
        font-size: 28px;
    }

    .info-content {
        font-size: 14px;
        line-height: 1.5;
    }

    .info-content h4 {
        font-size: 18px;
    }

    .plane-icon {
        display: none;
    }

    .col-lg-8 {
        position: relative;
    }

    .info-item {
        margin-bottom: 12px;
    }
}

@media (max-width: 576px) {
    .info-button {
        padding: 12px 16px;
        font-size: 13px;
    }

    .info-button svg {
        width: 18px;
        height: 14px;
    }

    .info-title {
        font-size: 24px;
    }

    .info-content {
        font-size: 13px;
    }
}

/* Event Info Badge - styles cơ bản */
.event-date-badge {
    background-color: #f6f1e5;
    border-radius: 60px;
    padding: 15px 30px;
}

.event-date-text {
    font-family: "Montserrat", sans-serif;
    font-weight: 800;
    font-size: clamp(18px, 2.5vw, 24px);
    color: #1e1e1e;
    margin: 0;
}

/* Logo Section */
.logo-section {
    padding: 40px 20px;
    text-align: center;
}

.logo-img {
    max-width: 100%;
    height: auto;
    width: min(600px, 90%);
}

/* Image Styles */
.img-responsive {
    width: 100%;
    height: auto;
    max-width: 100%;
    display: block;
    margin: 0 auto;
    transition: all 0.3s ease;
    border-radius: 10px;
}

.img-responsive:hover {
    transform: scale(1.02);
}

/* Floating Images */
.maybay1,
.maybay3 {
    transition: all 0.3s ease;
    animation: float 3s ease-in-out infinite;
}

.maybay1:hover,
.maybay3:hover {
    transform: scale(1.1) translateY(-5px);
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.2));
}

/* Event Date Container Animation */
.event-date-container {
    animation: fadeInRight 1s ease-out 0.5s both;
}

.neo-img {
    animation: float 4s ease-in-out infinite;
    transition: all 0.3s ease;
}

.neo-img:hover {
    transform: scaleX(-1) scale(1.1);
    filter: drop-shadow(0 5px 15px rgba(0, 0, 0, 0.3));
}

.event-date-badge {
    transition: all 0.3s ease;
}

.event-date-badge:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

/* Footer */
.footer-custom {
    background-color: #f6f1e5;
    background-image: radial-gradient(
            circle at 25% 25%,
            rgba(255, 188, 6, 0.1) 0%,
            transparent 50%
        ),
        radial-gradient(
            circle at 75% 75%,
            rgba(247, 20, 179, 0.1) 0%,
            transparent 50%
        );
    padding: 60px 20px 40px;
    position: relative;
    overflow: hidden;
}

.footer-custom::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.1),
        transparent
    );
    transition: left 3s ease;
    z-index: 1;
}

.footer-custom:hover::before {
    left: 100%;
}

.footer-title {
    font-family: "Inter", sans-serif;
    font-weight: 700;
    font-size: clamp(18px, 2.5vw, 24px);
    color: #1e1e1e;
    margin-bottom: 20px;
    position: relative;
    z-index: 2;
    transition: all 0.3s ease;
}

.footer-title:hover {
    color: #f714b3;
    transform: translateX(5px);
}

.footer-text {
    font-family: "Inter", sans-serif;
    font-weight: 700;
    font-size: clamp(14px, 1.5vw, 16px);
    color: #1e1e1e;
    line-height: 2;
    position: relative;
    z-index: 2;
}

.footer-text p {
    margin-bottom: 10px;
    word-wrap: break-word;
    transition: all 0.3s ease;
    cursor: pointer;
}

.footer-text p:hover {
    color: #f714b3;
    transform: translateX(5px);
}

.footer-text svg {
    transition: all 0.3s ease;
}

.footer-text p:hover svg {
    transform: scale(1.2);
}

.logo-footer {
    transition: all 0.3s ease;
}

.logo-footer:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 5px 15px rgba(0, 0, 0, 0.2));
}

/* Responsive Breakpoints */

/* Tablet Landscape */
@media (max-width: 1024px) {
    .top-nav {
        padding: 0 10px;
    }

    .nav-item-custom {
        font-size: 14px;
        padding: 6px 12px;
    }

    .hero-section {
        height: 80vh;
        max-height: 900px;
    }

    .hero-content {
        margin: 0 0 0 100px;
    }

    .content-section {
        padding: 50px 15px;
    }

    .accordion-button-custom {
        padding: 18px 20px;
        padding-right: 50px;
    }
}

/* Tablet Portrait và Mobile */
@media (max-width: 768px) {
    /* Show mobile nav elements */
    .nav-wrapper {
        display: none !important;
    }

    .mobile-nav-toggle {
        display: block !important;
    }

    .mobile-logo {
        display: block !important;
    }

    .top-nav {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0 15px;
        height: 60px;
    }

    .hero-section {
        height: 70vh;
        min-height: 500px;
        background-position: center center;
    }

    .hero-content {
        margin: 0 0 0 50px;
    }

    .content-section {
        padding: 40px 15px;
    }

    .section-title {
        margin-bottom: 30px;
    }

    .accordion-button-custom {
        padding: 15px 20px;
        padding-right: 45px;
        border-radius: 50px;
    }

    .accordion-button-custom::after {
        right: 20px;
    }
}

/* Mobile */
@media (max-width: 576px) {
    .hero-section {
        height: 60vh;
        min-height: 400px;
        padding: 30px 15px;
    }

    .hero-content {
        display: flex;
        justify-content: center;
        align-items: center;
        margin: 0 auto;
    }

    .btn-register {
        padding: 14px 30px;
        width: 100%;
        max-width: 280px;
    }

    .content-section {
        padding: 30px 10px;
    }

    .content-text {
        padding: 0 10px;
        font-size: 14px;
        text-align: left;
    }

    .accordion-custom {
        padding: 0 10px;
    }

    .accordion-button-custom {
        padding: 12px 15px;
        padding-right: 40px;
        font-size: 14px;
    }

    .event-date-badge {
        padding: 12px 20px;
        border-radius: 40px;
    }

    .logo-section {
        padding: 30px 15px;
    }

    .footer-custom {
        padding: 40px 15px 30px;
    }

    .footer-text {
        font-size: 14px;
    }

    .col-lg-4,
    .col-lg-6,
    .col-lg-8,
    .col-md-6 {
        margin-bottom: 20px;
    }
}

/* Extra small devices */
@media (max-width: 375px) {
    .hero-section {
        height: 50vh;
        min-height: 350px;
    }

    .btn-register {
        font-size: 14px;
        padding: 12px 24px;
    }

    .accordion-button-custom {
        font-size: 13px;
        padding: 10px 12px;
        padding-right: 35px;
    }
}

/* Container cho ảnh và event date */
.event-date-container {
    position: relative;
    display: flex;
    align-items: center;
    margin-top: -50px;
    margin-left: -100px;
    z-index: 10;
}

.neo-img {
    transform: scaleX(-1);
    width: 180px;
    height: auto;
    position: relative;
    z-index: 12;
    margin-right: -60px;
}

.event-date-badge {
    background-color: #f6f1e5;
    border-radius: 60px;
    padding: 15px 40px;
    white-space: nowrap;
    position: relative;
    z-index: 11;
}

/* Desktop - từ 1024px trở lên */
@media (min-width: 1024px) {
    .event-date-container {
        position: relative;
        display: flex;
        align-items: center;
        margin-top: -90px;
        margin-left: -30px;
    }

    .neo-img {
        width: 190px;
        margin-right: -90px;
    }

    .event-date-badge {
        padding: 10px 20px 10px 80px;
    }

    .event-date-text {
        font-size: 16px;
    }
}

/* Large Desktop */
@media (min-width: 1200px) {
    .event-date-container {
        margin-top: -125px;
        margin-left: -30px;
    }

    .neo-img {
        width: 250px;
        margin-right: -95px;
    }
}

/* Tablet */
@media (max-width: 992px) and (min-width: 0px) {
    .event-date-container {
        margin-top: -36px;
        margin-left: 35px;
        justify-content: center;
    }

    .neo-img {
        display: none;
    }

    .event-date-badge {
        padding: 10px 30px 10px 30px;
    }
}

/* Mobile */
@media (max-width: 767px) {
    .event-date-container {
        margin-top: -20px;
        margin-left: 0;
        justify-content: center;
    }

    .neo-img {
        width: 100px;
        margin-right: -30px;
    }

    .event-date-badge {
        padding: 10px 25px;
        font-size: 14px;
    }
}

/* Extra small */
@media (max-width: 576px) {
    .event-date-container {
        margin-left: -20px;
    }

    .neo-img {
        width: 80px;
        margin-right: 0px;
    }

    .event-date-badge {
        padding: 8px 20px;
    }

    .event-date-text {
        font-size: 14px;
    }
}

/* Responsive cho container */
@media (max-width: 767px) {
    .event-date-container {
        bottom: 15px;
        left: 15px;
    }

    .neo-img {
        width: 120px;
        bottom: -8px;
        left: -15px;
    }

    .event-date-badge {
        padding: 10px 20px;
        border-radius: 40px;
    }
}

.maybay1 {
    width: 300px;
    height: 200px;
    object-fit: cover;
    display: block;
    margin: 0 auto;
    margin-top: 30px;
}

@media (max-width: 768px) {
    .maybay1 {
        width: 250px;
        height: 160px;
        margin-top: 20px;
    }
}

@media (max-width: 576px) {
    .maybay1 {
        width: 200px;
        height: 130px;
        margin-top: 15px;
    }
}

.maybay3 {
    width: 400px;
    height: 150px;
    object-fit: cover;
    display: block;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .maybay3 {
        width: 300px;
        height: 100px;
    }
}

@media (max-width: 576px) {
    .maybay3 {
        width: 200px;
        height: 80px;
    }
}

@media (max-width: 992px) {
    .logo-footer {
        max-width: 400px;
    }
}

/* Responsive for Desktop Logo and Register Button */
@media (max-width: 1024px) {
    .desktop-logo,
    .nav-register-btn,
    .nav-register-dropdown {
        display: none;
    }

    .nav-wrapper {
        padding: 8px 0;
    }
}

@media (min-width: 1025px) and (max-width: 1200px) {
    .desktop-logo {
        left: 5%;
    }

    .nav-register-btn,
    .nav-register-dropdown {
        right: 1%;
    }
}

@media (min-width: 1201px) {
    .desktop-logo {
        left: 5%;
    }

    .nav-register-btn,
    .nav-register-dropdown {
        right: 4%;
    }
}

@media (min-width: 769px) {
    .mobile-logo {
        display: none;
    }
}