/* ============================================
   RESET & GLOBAL
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: #071827;
    color: #C7D8E5;
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
}

a {
    color: #00A8FF;
    text-decoration: none;
}
a:hover {
    opacity: .8;
}

/* ============================================
   HEADER BASE
   ============================================ */
.rf-header {
    width: 100%;
    background: #071F33;
    border-bottom: 1px solid rgba(0,168,255,0.2);
    position: sticky;
    top: 0;
    z-index: 9999;
}

.rf-header-inner {
    max-width: 1200px;
    margin: auto;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* ============================================
   LEFT: TITLE + DESC
   ============================================ */
.rf-title-group {
    display: flex;
    flex-direction: column;
}

.rf-title {
    font-size: 18px;
    font-weight: 700;
    color: #00A8FF;
}

.rf-desc {
    font-size: 13px;
    color: #9FB8D6;
    opacity: 0.85;
    margin-top: 2px;
}

/* ============================================
   RIGHT BUTTONS
   ============================================ */
.rf-header-right {
    display: flex;
    align-items: center;
    gap: 18px;
}

.rf-search-btn,
.rf-menu-btn {
    background: none;
    border: none;
    font-size: 22px;
    color: #00A8FF;
    cursor: pointer;
}

/* ============================================
   SEARCH BOX
   ============================================ */
.rf-search-box {
    display: none;
    padding: 12px 20px;
    background: #0A233A;
    border-top: 1px solid rgba(0,168,255,0.25);
}

.rf-search-box.show {
    display: block;
}

.rf-search-box input {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    border: none;
    background: #081A2C;
    color: #C7D8E5;
    font-size: 15px;
}

/* ============================================
   SLIDE MENU
   ============================================ */
.rf-slide-menu {
    position: fixed;
    top: 0;
    right: -230px;
    width: 200px; /* LEBAR DIPERKECIL */
    height: 100vh;
    background: #071F33;
    padding: 80px 20px; /* padding lebih kecil */
    border-left: 2px solid rgba(0,168,255,0.25);
    display: flex;
    flex-direction: column;
    gap: 18px;
    transition: .25s ease;
    z-index: 99999;
}

.rf-slide-menu.open {
    right: 0; /* NORMAL */
}

.rf-slide-menu a {
    color: #E3F5FF;
    font-size: 15px; /* lebih kecil */
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero-section {
    padding: 80px 20px 60px;
    max-width: 1150px;
    margin: auto;
    text-align: center;
}

.hero-title {
    font-size: 34px;
    font-weight: 800;
    color: #00A8FF; /* warna tetap */
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 17px;
    color: #A9C7DD;
    max-width: 780px;
    margin: 0 auto 35px auto; /* JARAK DITAMBAH */
    line-height: 1.7;
}

.hero-btn {
    display: inline-block;
    margin-top: 0px; /* tombol tetap dekat subtitle */
    background: #00A8FF; /* warna TETAP */
    color: #071827;
    font-weight: 700;
    padding: 14px 26px;
    border-radius: 10px;
    transition: .25s;
}

.hero-btn:hover {
    background: #0091db;
}

/* ============================================
   CHART
   ============================================ */
.chart-wrapper {
    max-width: 1100px;
    margin: 40px auto;
    padding: 0 20px;
}

.chart-desc {
    color: #9FB8D6;
    font-size: 14px;
    margin-bottom: 10px;
}

.chart-box {
    height: 420px;
    border-radius: 12px;
    overflow: hidden;
}

/* ============================================
   TOOLS GRID
   ============================================ */
.tool-section {
    max-width: 1200px;
    margin: 50px auto;
    padding: 0 20px;
}

.section-title {
    font-size: 26px;
    font-weight: 700;
    color: #00A8FF;
    margin-bottom: 22px;
}

.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 25px;
}

.tool-card {
    background: #071F33;
    padding: 22px;
    border-radius: 14px;
    border: 1px solid rgba(0,168,255,0.18);
    transition: .25s ease;
}

.tool-card:hover {
    transform: translateY(-5px);
    border-color: #00A8FF;
    box-shadow: 0 8px 25px rgba(0,168,255,0.15);
}

.tool-card h3 {
    font-size: 18px;
    color: #00A8FF;
    margin-bottom: 8px;
}

.tool-card p {
    font-size: 14px;
    color: #9FB8D6;
}

/* ============================================
   BLOG LIST — SUDAH SAMAKAN DENGAN TOOLS
   ============================================ */
.blog-container {
    max-width: 1100px;
    margin: 40px auto;
    padding: 0 20px;
}

.blog-title {
    font-size: 24px;
    font-weight: 700;
    color: #00A8FF;
    margin-bottom: 8px;
}

.blog-meta {
    color: #8FB2D0;
    font-size: 12px;
    margin-bottom: 18px;
}

.blog-intro {
    font-size: 14px;
    color: #9FB8D6;
    margin-bottom: 25px;
}

.blog-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 25px;
}

.blog-card {
    background: #071F33;
    padding: 22px;
    border-radius: 14px;
    border: 1px solid rgba(0,168,255,0.18);
    transition: .25s;
}

.blog-card:hover {
    transform: translateY(-5px);
    border-color: #00A8FF;
    box-shadow: 0 8px 25px rgba(0,168,255,0.15);
}

.blog-card h3 {
    font-size: 17px;
    color: #00A8FF;
    margin-bottom: 6px;
}

.blog-card p {
    font-size: 13px;
    color: #9FB8D6;
}

/* ============================================
   BLOG ARTICLE STYLE
   ============================================ */
.blog-content p {
    font-size: 14px;
    color: #C9D8E8;
    margin: 12px 0;
}

.blog-content h2 {
    font-size: 20px;
    color: #00A8FF;
    margin-top: 25px;
}

.blog-content h3 {
    font-size: 16px;
    color: #00A8FF;
    margin-top: 18px;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media(max-width: 700px) {
    .blog-title {
        font-size: 20px;
    }
    .blog-list {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   FOOTER
   ============================================ */
.rf-footer {
    background: #06111d;
    padding: 50px 20px;
    margin-top: 60px;
    border-top: 1px solid rgba(0,168,255,0.25);
}

.rf-footer-inner {
    max-width: 1200px;
    margin: auto;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 40px;
}

.rf-footer-brand {
    color: #9bb9d3;
}

.rf-footer-logo {
    width: 120px;
    margin-bottom: 10px;
}

.rf-footer-desc {
    color: #7fa2c2;
    font-size: 14px;
    line-height: 22px;
}

.rf-footer-links h4 {
    color: #00A8FF;
    margin-bottom: 10px;
}

.rf-footer-links a {
    display: block;
    color: #9bb9d3;
    margin-bottom: 6px;
}

.rf-footer-links a:hover {
    color: #00A8FF;
}

.rf-footer-copy {
    grid-column: span 3;
    text-align: center;
    color: #7fa2c2;
    margin-top: 20px;
}

@media(max-width:768px) {
    .rf-footer-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

/* ============================================
   HEADER LOGO
   ============================================ */
.rf-logo-left img.rf-header-logo {
    height: 40px;
    display: block;
}