:root {
    --primary-color: #3B5994;
    --primary-color-2: #3B599499;
    --primary-color-3: #4769C9;
    --primary-color-4: #394B9B;
    --primary-color-5: #7BA3DF;
    --primary-color-6: #37814B;
    --primary-color-7: #F2F5FC;
    --primary-color-8: #101828;
    --primary-color-9: #394b9b99;
    --primary-color-10: #E1EAF8;
    --primary-color-11: #f6f6f8;
    --primary-color-12: #F8F8FF;
    --primary-hover: #444444;
    --secondary-color: #8C5E3B;
    --accent-color: #D1A66E;
    --text-color: #333333;
    --text-light: #6c757d;
    --light-bg: #F8F9FA;
    --border-color: #F2F5FC;
    --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    --sidebar-width: 250px;
    --sidebar-collapsed-width: 70px;
    --header-height: 60px;
    --transition-speed: 0.3s;

    /* Contact Form Variables */
    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-md: 16px;
    --font-size-lg: 18px;
    --font-size-1lg: 20px;
    --font-size-xl: 24px;
    --font-size-2xl: 32px;
    --font-size-3xl: 36px;
    --font-size-4xl: 40px;
    --font-size-5xl: 44px;
    --font-size-6xl: 48px;
    --font-size-7xl: 56px;
    --font-size-8xl: 64px;
    --font-size-9xl: 72px;
    --font-size-10xl: 80px;
    --font-size-11xl: 88px;
    --font-size-12xl: 96px;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-bold: 700;
    --line-height: 150%;
    --spacing-md: 8px;
    --spacing-lg: 12px;
    --spacing-xl: 16px;
    --spacing-2xl: 20px;
    --spacing-3xl: 24px;
    --spacing-5xl: 40px;
    --radius-full: 9999px;
    --color-primary: #3b5994;
    --color-green: rgba(55, 129, 75, 1);
    --color-light-blue: rgba(225, 234, 248, 1);
    --color-border: rgba(159, 214, 174, 1);
    --color-text-secondary: #475467;
    --color-black: hwb(0 0% 100%);
    --color-white: rgba(255, 255, 255, 1);
    --color-bg-light: rgba(242, 245, 252, 1);
}

body {
    font-family: 'Inter', sans-serif;
}

html {
    scroll-behavior: smooth;
}

.rounded-6 {
    border-radius: 3rem !important;
}

.btn-pry {
    background-color: var(--primary-color) !important;
    color: white !important;
}

.btn-pry:hover,
.btn-pry:focus {
    background-color: var(--primary-color-2) !important;
    color: var(--primary-color) !important;
    box-shadow: 0 4px 10px rgba(91, 60, 37, 0.2) !important;
}

.border-primary-5 {
    border-color: var(--primary-color-5) !important;
}

.title-tab-primary-5 {
    color: var(--primary-color-5);
}

.bg-success-custom {
    background-color: #3ac73a !important;
}

.p-100 {
    padding: var(--spacing-xl);
}

.text-xs {
    font-size: var(--font-size-xs) !important;
}

.text-xs-1 {
    font-size: var(--font-size-xs) !important;
}

.text-xs-4 {
    font-size: var(--font-size-xs) !important;
}

.text-sm-1 {
    font-size: var(--font-size-sm) !important;
}

.text-sm-2 {
    font-size: var(--font-size-sm) !important;
}

.text-md {
    font-size: var(--font-size-md) !important;
}

.text-md-1 {
    font-size: var(--font-size-md) !important;
}

.text-md-2 {
    font-size: var(--font-size-md) !important;
}

.text-1lg {
    font-size: var(--font-size-1lg) !important;
}

.text-1lg-2 {
    font-size: var(--font-size-1lg) !important;
}


.text-1lg-8 {
    font-size: var(--font-size-1lg) !important;
}

.text-1lg-3 {
    font-size: var(--font-size-1lg) !important;
}


.text-xl-2 {
    font-size: var(--font-size-xl) !important;
}

.text-xl-3 {
    font-size: var(--font-size-xl) !important;
}

.text-xl-5 {
    font-size: var(--font-size-xl) !important;
}

.text-2xl-1 {
    font-size: var(--font-size-2xl) !important;
}

.text-2xl-4 {
    font-size: var(--font-size-2xl) !important;
}

.text-sm {
    font-size: var(--font-size-sm) !important;
}

.text-md {
    font-size: var(--font-size-md) !important;
}

.text-lg {
    font-size: var(--font-size-lg) !important;
}

.text-lg-2 {
    font-size: var(--font-size-lg) !important;
}

.text-xl {
    font-size: var(--font-size-xl) !important;
}

.text-5xl {
    font-size: var(--font-size-5xl) !important;
}

.text-6xl-6 {
    font-size: var(--font-size-6xl) !important;
}

.text-ssm {
    font-size: .75rem !important;
    line-height: 1rem !important;
}

.bg-primary-2 {
    background-color: var(--primary-color-2) !important;
}

.bg-primary-4 {
    background-color: var(--primary-color-4) !important;
}

.bg-primary-1 {
    background-color: var(--primary-color) !important;
}

.bg-primary-6 {
    background-color: var(--primary-color-6) !important;
}

.bg-primary-8 {
    background-color: var(--primary-color-8) !important;
}

.bg-primary-10 {
    background-color: var(--primary-color-10) !important;
}

.bg-primary-11 {
    background-color: var(--primary-color-11) !important;
}

.bg-primary-12 {
    background-color: var(--primary-color-12) !important;
}

.color-primary {
    color: var(--primary-color) !important;
}

.color-primary-hover:hover,
.color-primary-hover:focus {
    color: var(--primary-color) !important;
}

.color-primary-2 {
    color: var(--primary-color-2) !important;
}

.color-primary-3 {
    color: var(--primary-color-3) !important;
}

.color-primary-4 {
    color: var(--primary-color-4) !important;
}

.color-primary-5 {
    color: var(--primary-color-5) !important;
}

.color-primary-6 {
    color: var(--primary-color-6) !important;
}

.color-primary-7 {
    color: var(--primary-color-7) !important;
}

.color-primary-8 {
    color: var(--primary-color-8) !important;
}

.color-primary-9 {
    color: var(--primary-color-9) !important;
}

.color-primary-10 {
    color: var(--primary-color-10) !important;
}

.font-light {
    font-weight: 300;
}

.color-text-secondary {
    color: var(--color-text-secondary) !important;
}

.fw-normal {
    font-weight: var(--font-weight-normal) !important;
}

.fw-medium {
    font-weight: var(--font-weight-medium) !important;
}

.font-bold {
    font-weight: var(--font-weight-bold) !important;
}

.custom-zalo {
    display: inline-block;
    width: 1em;
    height: 1em;
    background-image: url("https://upload.wikimedia.org/wikipedia/commons/thumb/9/91/Icon_of_Zalo.svg/50px-Icon_of_Zalo.svg.png");
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
    vertical-align: -0.125em;
}

.social-icon .custom-zalo {
    font-size: 1.2em;
}

@media (min-width: 576px) {
    .text-1lg-8 {
        font-size: var(--font-size-4xl) !important;
    }

    .text-1lg-3 {
        font-size: var(--font-size-xl) !important;
    }

    .text-xl-3 {
        font-size: var(--font-size-2xl) !important;
    }

    .text-6xl-6 {
        font-size: var(--font-size-9xl) !important;
    }

    .text-xl-5 {
        font-size: var(--font-size-3xl) !important;
    }
}

@media (min-width: 768px) {
    .text-xs-1 {
        font-size: var(--font-size-sm) !important;
    }

    .text-xs-4 {
        font-size: var(--font-size-1lg) !important;
    }

    .text-sm-1 {
        font-size: var(--font-size-md) !important;
    }

    .text-sm-2 {
        font-size: var(--font-size-lg) !important;
    }

    .text-md-1 {
        font-size: var(--font-size-lg) !important;
    }

    .text-md-2 {
        font-size: var(--font-size-xl) !important;
    }

    .text-1lg-3 {
        font-size: var(--font-size-3xl) !important;
    }

    .text-1lg-8 {
        font-size: var(--font-size-8xl) !important;
    }

    .text-lg-2 {
        font-size: var(--font-size-xl) !important;
    }

    .text-1lg-2 {
        font-size: var(--font-size-2xl) !important;
    }


    .text-xl-2 {
        font-size: var(--font-size-4xl) !important;
    }

    .text-xl-3 {
        font-size: var(--font-size-4xl) !important;
    }

    .text-xl-5 {
        font-size: var(--font-size-6xl) !important;
    }

    .text-2xl-1 {
        font-size: var(--font-size-3xl) !important;
    }

    .text-2xl-4 {
        font-size: var(--font-size-6xl) !important;
    }

    .p-100 {
        padding: 100px !important;
    }

    .text-6xl-6 {
        font-size: var(--font-size-10xl) !important;
    }
}

@media (min-width: 1200px) {
    .text-6xl-6 {
        font-size: var(--font-size-12xl) !important;
    }
}

/* Header Styles */
.header-main {
    position: absolute !important;
    z-index: 10;
    width: 100%;
    top: 0;
    left: 0;
    background: transparent !important;
    box-shadow: none !important;
}

.header-custom {
    background: var(--primary-color-2);
    border-radius: 50px;
    padding: 10px 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: white;
}

.header-nav a {
    color: white;
    text-decoration: none;
    margin: 0 10px;
}

.header-nav a:hover {
    border-bottom: 1px solid white;
}

.header-nav .active {
    border-bottom: 1px solid white;
}

.header-nav .dropdown {
    position: relative;
}

.header-nav .dropdown-toggle::after {
    display: none;
}

.header-nav .dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 180px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(44, 62, 120, 0.08);
    padding: 0.5rem 0;
    margin-top: 0.5rem;
    z-index: 1000;
    border: none;
}

.header-nav .dropdown:hover .dropdown-menu,
.header-nav .dropdown:focus-within .dropdown-menu {
    display: block;
    animation: dropdownFadeIn 0.25s;
}

.header-nav .dropdown-menu li {
    list-style: none;
}

.header-nav .dropdown-item {
    padding: 0.5rem 1.25rem;
    color: #222;
    background: none;
    border: none;
    font-size: 1rem;
    font-weight: 500;
    transition: background 0.2s, color 0.2s;
    border-radius: 8px;
}

.header-nav .dropdown-item:hover,
.header-nav .dropdown-item:focus {
    background: #f2f6fa;
    color: var(----primary-color-4);
}

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

    to {
        opacity: 1;
        transform: none;
    }
}

@media (min-width: 1200px) {
    .header-nav .dropdown:hover .dropdown-menu {
        display: block;
        margin-top: 0;
    }

    .header-nav .dropdown-menu {
        margin-top: 0;
        border-radius: 12px;
        min-width: 180px;
        box-shadow: 0 8px 24px rgba(44, 62, 120, 0.08);
    }
}

.mobile-nav-list {
    list-style: none;
    padding-left: 0;
}

.mobile-nav-list li {
    list-style: none;
}

.flag-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    margin-right: 5px;
    border: 1px solid var(--border-color);
    object-fit: cover;
}

.header-custom .phone-us,.phone-us {
    border-bottom: 1px solid var(--primary-color-6);
    color: white;
    text-decoration: none;
}

/* Mobile Side Menu */
.mobile-side-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--primary-color-2);
    backdrop-filter: blur(15px);
    z-index: 9999;
    transition: right 0.3s ease;
    padding: 20px;
    overflow-y: auto;
}

.mobile-side-menu.active {
    right: 0;
}

.mobile-side-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.mobile-side-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.mobile-menu-close {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.mobile-menu-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.mobile-nav-list {
    list-style: none;
    padding: 0;
    margin: 0 0 30px 0;
}

.mobile-nav-list li {
    margin-bottom: 15px;
}

.mobile-nav-list a {
    color: white;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    padding: 12px 15px;
    border-radius: 10px;
    display: block;
    transition: all 0.3s ease;
}

.mobile-nav-list a:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(10px);
}

.mobile-contact-section {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 20px;
}

.mobile-contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    color: white;
}

.mobile-contact-item img {
    margin-right: 10px;
}

.mobile-cta-button {
    width: 100%;
    background: white;
    color: var(--primary-color-2);
    border: none;
    border-radius: 25px;
    padding: 12px 20px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
}

.mobile-cta-button:hover {
    background: #f8f9fa;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 255, 255, 0.3);
}

/* Responsive adjustments */
@media (max-width: 576px) {
    .mobile-side-menu {
        width: 280px;
    }
}

@media (max-width: 480px) {
    .mobile-side-menu {
        width: 90%;
    }
}

/* Footer  */

.footer-content-wrapper {
    position: relative;
}

.footer-image-top {
    position: absolute;
    top: -5%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 0;
}

.footer-section {
    position: relative;
    padding: 0;
    margin: 0;
}

.footer-background {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    margin-top: -80px;
    padding: 304px 0 150px;

}

.footer-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        linear-gradient(180deg, rgba(36, 45, 71, 0.00) 35.39%, #3B5994 105.19%);
    z-index: 1;
    pointer-events: none;
}

.footer-content {
    position: relative;
    z-index: 2;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.footer-logo {
    max-width: 200px;
    height: auto;
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-normal);
    transition: all 0.3s ease;
    position: relative;
}

.footer-links a:hover {
    color: var(--primary-color);
    padding-left: 10px;
}

.footer-links a::before {
    content: '';
    position: absolute;
    left: -10px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 2px;
    background: var(--color-green);
    transition: width 0.3s ease;
}

.footer-links a:hover::before {
    width: 6px;
}

.company-info p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: 15px;
    line-height: 1.6;
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.company-info i {
    color: var(--color-green);
    margin-top: 2px;
    min-width: 16px;
}

.company-info a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

.company-info a:hover {
    color: var(--primary-color);
}

.address-text {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    display: flex;
    align-items: flex-start;
}

.address-text i {
    color: var(--color-green);
    margin-top: 2px;
    min-width: 16px;
}

.social-icons {
    display: flex;
    gap: 15px;
    justify-content: flex-start;
}

.social-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: white;
    font-size: 18px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.social-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50%;
    transform: scale(0);
    transition: transform 0.3s ease;
    z-index: -1;
}

.social-icon:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.social-icon:hover::before {
    transform: scale(1);
}

/* Animations */
.footer-content {
    animation: fadeInUp 0.8s ease-out;
}

/* Responsive */
@media (max-width: 768px) {
    .footer-content {
        margin: 20px;
    }

    .company-info p {
        font-size: var(--font-size-ssm);
    }

    .footer-logo {
        display: block;
        margin: 0 auto 20px;
    }
}

@media (max-width: 576px) {

    .footer-content {
        border-radius: 15px;
        margin: 10px;
    }

    .footer-background {
        margin-top: -50px;
        padding: 130px 0 150px;
    }
}

/* Custom delays for footer animations */
.animate__delay-1s {
    animation-delay: 0.2s !important;
}

.animate__delay-2s {
    animation-delay: 0.4s !important;
}

.animate__delay-3s {
    animation-delay: 0.6s !important;
}

.animate__delay-4s {
    animation-delay: 0.8s !important;
}


/* button arrow left */
.submit-btn-custom {
    display: flex;
    align-items: center;
    border: 0.8px solid var(--color-black);
    transition: all 0.5s ease;
    animation: pulse 2s infinite;
}

.submit-btn-custom:hover {
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2) !important;
    background: var(--primary-color-3) !important;
}

.submit-btn-custom:hover .submit-text {
    color: var(--color-white) !important;
}

.submit-btn-custom:hover .submit-icon {
    background-color: black !important;
}

.submit-icon {
    width: 36px;
    height: 36px;
    background-color: var(--primary-color-4);
    border-radius: var(--radius-full);
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

.submit-btn-custom:hover .arrow-icon-main {
    animation: arrowMove 0.6s ease-in-out forwards;
}

@keyframes arrowMove {
    0% {
        transform: translate(0);
    }

    25% {
        transform: translate(150%, -150%);
    }

    50% {
        transform: translate(150%, 150%);
    }

    75% {
        transform: translate(-150%, 150%);
    }

    100% {
        transform: translate(0);
    }
}

.submit-text {
    font-weight: var(--font-weight-medium);
    color: #141618;
    font-size: var(--font-size-md);
    line-height: var(--line-height);
    white-space: nowrap;
}


/* Animation: Pulse */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(46, 125, 50, 0.4);
    }

    70% {
        box-shadow: 0 0 0 10px rgba(46, 125, 50, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(46, 125, 50, 0);
    }
}

/* Container chính */
.login-page-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

/* Card login */
.login-card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    background: #fff;
}

/* Header */
.login-header {
    padding: 30px 20px 15px;
    border-bottom: 1px solid #f1f1f1;
}

.login-header img {
    height: auto;
    margin-bottom: 10px;
}

.login-header h4 {
    font-weight: 700;
    color: var(--primary-color-4);
}

/* Body */
.login-body {
    padding: 25px 20px;
}

/* Input group */
.input-group-text {
    background: #f8f9fa;
    border-right: none;
    color: var(--primary-color-4);
    font-size: 14px;
}

.form-control {
    border-left: none;
    font-size: 14px;
}

/* Hiệu ứng focus */
.form-control:focus {
    border-color: var(--primary-color-4);
    box-shadow: 0 0 0 0.2rem rgba(44, 62, 151, 0.15);
}

/* Button */
.btn-primary {
    background: var(--primary-color-4);
    border: none;
    padding: 10px 0;
    font-weight: 600;
    border-radius: 8px;
    transition: 0.3s ease;
}

.btn-primary:hover {
    background: var(--primary-color-4);
}

/* Ghi nhớ */
.form-check-label {
    font-size: 14px;
    color: #555;
}

/* Footer */
.login-body .form-text {
    font-size: 13px;
    color: #999;
}

/* Toggle eye icon */
.password-toggle {
    background: #f8f9fa;
    color: var(--primary-color-4);
    transition: 0.2s;
}

.password-toggle:hover {
    color: var(--primary-color-3);
}

.btn-contact:hover {
    border-color: var(--primary-color-4) !important;
    color: white;
    background: linear-gradient(90deg, var(--primary-color-4) 0%, var(--primary-color-6) 100%) !important;
}