/* sinyalbalik.id Blog — Clean Design */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent
}

html {
    background: #fff;
    color: #222;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    scroll-behavior: smooth;
    font-size: 16px
}

body {
    display: flex;
    justify-content: center;
    overflow-x: hidden
}

.app {
    width: 100%;
    max-width: 680px;
    min-height: 100vh;
    padding: 0 20px
}

a {
    color: #0066cc;
    text-decoration: none
}

/* NAV */
nav {
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 680px;
    z-index: 100;
    padding: 12px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid #eee
}

.logo {
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: -.5px;
    color: #222;
    text-decoration: none
}

.logo b {
    color: #0066cc
}

.nav-back {
    padding: 7px 14px;
    border-radius: 8px;
    background: #f5f5f5;
    color: #222;
    text-decoration: none;
    font-size: .82rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 5px
}

/* HERO */
.hero-img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    border-radius: 0 0 16px 16px;
    margin-top: 52px;
    display: block
}

.breadcrumb {
    padding: 14px 0 0;
    font-size: .8rem;
    color: #999
}

.breadcrumb a {
    color: #0066cc
}

/* ARTICLE */
article {
    padding: 20px 0 40px
}

article h1 {
    font-size: 1.7rem;
    font-weight: 800;
    letter-spacing: -.5px;
    line-height: 1.25;
    margin-bottom: 8px;
    color: #111
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    font-size: .8rem;
    color: #999;
    margin-bottom: 28px;
    padding-bottom: 16px;
    border-bottom: 1px solid #eee
}

/* CONTENT — flat, no cards */
article h2 {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 32px 0 12px;
    color: #111;
    padding-bottom: 6px;
    border-bottom: 2px solid #f0f0f0
}

article h3 {
    font-size: 1rem;
    font-weight: 600;
    margin: 20px 0 8px;
    color: #333
}

article p {
    font-size: .93rem;
    color: #444;
    line-height: 1.8;
    margin-bottom: 14px
}

article strong {
    color: #222
}

article ul,
article ol {
    margin: 0 0 14px 22px;
    color: #444;
    font-size: .93rem;
    line-height: 1.8
}

article li {
    margin-bottom: 4px
}

/* TABLE */
article table {
    width: 100%;
    border-collapse: collapse;
    margin: 14px 0;
    font-size: .85rem
}

article th {
    background: #f8f8f8;
    padding: 10px 12px;
    text-align: left;
    font-weight: 600;
    color: #222;
    border-bottom: 2px solid #e5e5e5
}

article td {
    padding: 10px 12px;
    border-bottom: 1px solid #f0f0f0;
    color: #444
}

/* INFO / WARN BOXES — subtle gray */
.info-box {
    padding: 14px 16px;
    border-radius: 8px;
    background: #f7f9fc;
    border-left: 3px solid #0066cc;
    margin: 16px 0;
    font-size: .88rem;
    color: #444;
    line-height: 1.6
}

.info-box i {
    color: #0066cc;
    margin-right: 5px
}

.warn-box {
    padding: 14px 16px;
    border-radius: 8px;
    background: #fffbf5;
    border-left: 3px solid #e08a00;
    margin: 16px 0;
    font-size: .88rem;
    color: #444;
    line-height: 1.6
}

.warn-box i {
    color: #e08a00;
    margin-right: 5px
}

/* INLINE CTA — links to LP, blue themed */
.inline-cta {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-radius: 10px;
    background: #f0f4ff;
    border: 1px solid #d0daf0;
    margin: 22px 0;
    text-decoration: none;
    color: #222;
    transition: background .15s
}

.inline-cta:active {
    background: #e0eaff
}

.inline-cta i {
    font-size: 1.2rem;
    color: #0066cc
}

.inline-cta .ic-text {
    flex: 1
}

.inline-cta .ic-text strong {
    font-size: .88rem;
    display: block;
    margin-bottom: 1px;
    color: #222
}

.inline-cta .ic-text span {
    font-size: .78rem;
    color: #666
}

.inline-cta .ic-arrow {
    color: #0066cc;
    font-size: .85rem
}

/* FAQ — simple list */
.faq-item {
    padding: 14px 0;
    border-bottom: 1px solid #f0f0f0
}

.faq-item:last-child {
    border-bottom: none
}

.faq-item h4 {
    font-size: .9rem;
    font-weight: 600;
    color: #222;
    margin-bottom: 4px
}

.faq-item h4 i {
    color: #0066cc;
    margin-right: 4px;
    font-size: .8rem
}

.faq-item p {
    font-size: .88rem;
    color: #555;
    line-height: 1.6;
    margin: 0
}

.faq-item a {
    color: #0066cc
}

/* WA BUTTON (floating & article bottom) */
.btn-wa {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 24px;
    border-radius: 10px;
    background: #25d366;
    color: #fff;
    font-size: .95rem;
    font-weight: 700;
    text-decoration: none;
    transition: background .15s
}

.btn-wa:active {
    background: #1fb855
}

/* ARTICLE BOTTOM WA CTA */
.bottom-wa {
    text-align: center;
    margin: 24px 0 0;
    padding: 20px 0;
    border-top: 1px solid #eee
}

.bottom-wa p {
    font-size: .82rem;
    color: #888;
    margin-bottom: 10px
}

/* AUTHOR BOX */
.author-box {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 0;
    border-top: 1px solid #eee;
    margin: 24px 0
}

.author-box img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover
}

.author-box .ab-name {
    font-size: .85rem;
    font-weight: 700;
    color: #222
}

.author-box .ab-desc {
    font-size: .78rem;
    color: #888;
    line-height: 1.3
}

/* RELATED */
.related {
    margin: 28px 0
}

.related h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: #222
}

.related a {
    display: block;
    padding: 10px 0;
    color: #0066cc;
    font-size: .88rem;
    font-weight: 500;
    border-bottom: 1px solid #f5f5f5;
    text-decoration: none
}

.related a:last-child {
    border-bottom: none
}

.related a i {
    margin-right: 6px;
    font-size: .75rem
}

/* FLOATING WA — simple, no animation */
.float-wa {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: #25d366;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    z-index: 99;
    box-shadow: 0 2px 10px rgba(0, 0, 0, .15);
    text-decoration: none;
    transition: transform .15s
}

.float-wa:active {
    transform: scale(.9)
}

/* FOOTER */
footer {
    text-align: center;
    padding: 20px 0 40px;
    border-top: 1px solid #eee;
    font-size: .78rem;
    color: #999
}

/* BLOG LISTING */
.blog-header {
    margin-top: 70px;
    padding: 20px 0
}

.blog-header h1 {
    font-size: 1.6rem;
    font-weight: 800;
    color: #111;
    margin-bottom: 4px
}

.blog-header p {
    color: #666;
    font-size: .9rem
}

.article-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin: 20px 0
}

.article-card {
    display: flex;
    gap: 14px;
    padding: 14px 0;
    border-bottom: 1px solid #f0f0f0;
    text-decoration: none;
    color: #222
}

.article-card img {
    width: 100px;
    height: 72px;
    object-fit: cover;
    border-radius: 8px;
    flex-shrink: 0
}

.article-card .ac-text {
    flex: 1
}

.article-card .ac-text h3 {
    font-size: .92rem;
    font-weight: 600;
    color: #222;
    line-height: 1.3;
    margin-bottom: 4px
}

.article-card .ac-text p {
    font-size: .78rem;
    color: #888;
    margin: 0;
    line-height: 1.4
}