/* Minified CSS */
:root {
    --primary-color: #0066ff;
    --primary-light: #3384ff;
    --secondary-color: #ff6a00;
    --bg-color: #f0f4f8;
    --text-color: #2d3748;
    --card-bg: #ffffff;
    --header-bg: #ffffff;
    --border-color: #e2e8f0;
    --font-family: 'Poppins', sans-serif
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.8
}

a {
    text-decoration: none
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto
}

header {
    background-color: var(--header-bg);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0
}

.site-logo {
    height: 40px;
    width: auto;
    display: block;
    transition: transform 0.3s ease
}

.site-logo:hover {
    transform: scale(1.05)
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 20px;
    align-items: center
}

.auth-group {
    display: flex;
    gap: 12px;
    margin-left: 10px
}

.btn-login,
.btn-register {
    padding: 8px 24px !important;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease
}

.btn-login {
    border: 2px solid var(--primary-color);
    color: var(--primary-color) !important
}

.btn-login:hover {
    background-color: var(--primary-color);
    color: #fff !important
}

.btn-register {
    background-color: var(--secondary-color);
    color: #fff !important
}

.btn-register:hover {
    background-color: #e67100
}

.nav-menu li a {
    color: var(--text-color);
    font-weight: 600;
    font-size: 15px;
    transition: color 0.3s ease
}

.nav-menu li a:hover {
    color: var(--primary-color)
}

.hamburger {
    display: none;
    cursor: pointer
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    -webkit-transition: all 0.3s ease-in-out;
    transition: all 0.3s ease-in-out;
    background-color: var(--text-color)
}

.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: #fff;
    padding: 80px 0;
    text-align: center
}

.hero h1 {
    font-size: 36px;
    margin-bottom: 20px;
    font-weight: 700
}

.hero p {
    font-size: 18px;
    max-width: 800px;
    margin: 0 auto 30px;
    line-height: 1.6
}

.btn-primary {
    display: inline-block;
    background-color: var(--secondary-color);
    color: #fff;
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 16px;
    transition: background-color 0.3s ease, transform 0.2s ease
}

.btn-primary:hover {
    background-color: #e67100;
    transform: translateY(-2px)
}

.layout-grid {
    display: grid;
    grid-template-columns: 2.5fr 1fr;
    gap: 40px;
    padding: 60px 0
}

.content-area {
    background-color: var(--card-bg);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    border: 1px solid var(--border-color)
}

.content-area section {
    margin-bottom: 50px
}

.content-area h2 {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px
}

.content-area h3 {
    font-size: 18px;
    color: var(--text-color);
    margin-bottom: 10px;
    margin-top: 20px;
    font-weight: 600
}

.content-area p {
    margin-bottom: 20px;
    font-size: 16px;
    text-align: justify
}

.img-square {
    aspect-ratio: 1/1;
    width: 100%;
    max-width: 450px;
    object-fit: cover;
    border-radius: 16px;
    margin: 40px auto;
    display: block;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease
}

.img-square:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15)
}

.sidebar {
    display: flex;
    flex-direction: column;
    gap: 30px
}

.widget {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    border: 1px solid var(--border-color)
}

.widget h3 {
    color: var(--secondary-color);
    margin-bottom: 15px;
    font-size: 18px;
    border: none;
    padding: 0
}

.widget p {
    font-size: 14px;
    text-align: justify
}

.faq-container {
    margin-top: 40px
}

.faq-item {
    margin-bottom: 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden
}

.faq-question {
    width: 100%;
    background-color: #f9f9f9;
    border: none;
    padding: 15px 20px;
    text-align: left;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
    cursor: pointer;
    transition: background-color 0.3s;
    font-family: var(--font-family)
}

.faq-question:hover,
.faq-question.active {
    background-color: #eef2f5;
    color: var(--primary-color)
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out, padding 0.4s ease-out;
    background-color: #fff
}

.faq-answer p {
    padding: 0 20px;
    margin: 15px 0
}

footer {
    background-color: #ffffff;
    border-top: 1px solid var(--border-color);
    padding: 40px 0;
    text-align: center
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center
}

.seo-footer-links {
    margin-top: 30px;
    font-size: 11px;
    color: #c0c0c0;
    max-width: 850px;
    text-align: center;
    line-height: 1.6
}

.seo-footer-links a {
    color: #c0c0c0;
    text-decoration: none
}

.seo-footer-links a:hover {
    color: var(--primary-color)
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--secondary-color);
    color: #fff;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 999;
    display: flex;
    justify-content: center;
    align-items: center
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0)
}

.back-to-top:hover {
    background-color: var(--primary-color);
    transform: translateY(-5px)
}

@media(max-width:1024px) {
    .layout-grid {
        grid-template-columns: 1fr
    }
}

@media(max-width:820px) {
    .nav-menu {
        position: absolute;
        top: 70px;
        right: -100%;
        flex-direction: column;
        background-color: #fff;
        width: 250px;
        padding: 30px 20px;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        border-radius: 0 0 0 12px;
        transition: right 0.4s ease;
        align-items: flex-start
    }

    .nav-menu.active {
        right: 0
    }

    .hamburger {
        display: block
    }

    .auth-group {
        flex-direction: column;
        width: 100%;
        margin-left: 0;
        margin-top: 15px
    }

    .auth-group a {
        text-align: center;
        width: 100%;
        display: block
    }

    .hero h1 {
        font-size: 28px
    }
}