:root {
    --teal: #115e59;
    --teal-dark: #0b4c47;
    --navy: #0a0f26;
    --cream: #F3F1E7;
    --cream-dark: #E6E4DC;
    --text-primary: #0a0f26;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --border: rgba(10,15,38,0.1);
    --border-light: rgba(10,15,38,0.06);
    --radius: 1rem;
    --radius-lg: 1.25rem;
    --radius-xl: 1.5rem;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { background: var(--cream); color: var(--text-primary); font-family: 'Manrope', sans-serif; line-height: 1.6; }
a { color: inherit; }

.esim-blog-nav {
    background: var(--cream);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}
.esim-blog-nav .logo-link { display: flex; align-items: center; gap: 0.625rem; text-decoration: none; }
.esim-blog-nav .logo-link img { width: 8rem; height: auto; }
.esim-blog-nav .back { font-size: 0.875rem; font-weight: 600; color: var(--teal); text-decoration: none; display: flex; align-items: center; gap: 0.35rem; }

.esim-blog-hero {
    padding: 3rem 1.5rem 2rem;
    text-align: center;
    position: relative;
}
.esim-blog-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 5px;
    background: var(--teal);
    border-radius: 0 0 10px 10px;
}
.esim-blog-hero-inner { max-width: 720px; margin: 0 auto; }
.esim-blog-category {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--teal);
    margin-bottom: 0.75rem;
}
.esim-blog-hero h1 {
    font-family: 'Work Sans', sans-serif;
    font-size: 2rem;
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}
@media(min-width:768px){ .esim-blog-hero h1{font-size:2.75rem} }
.esim-blog-hero .subtitle { font-size: 1.05rem; color: var(--text-secondary); line-height: 1.7; }
.esim-blog-meta { font-size: 0.85rem; color: var(--text-muted); margin-top: 1rem; }

.esim-blog-body { max-width: 720px; margin: 0 auto; padding: 2rem 1.5rem 4rem; }
.esim-blog-body h2 {
    font-family: 'Work Sans', sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--text-primary);
    margin: 2.5rem 0 0.75rem;
}
.esim-blog-body h3 {
    font-family: 'Work Sans', sans-serif;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--teal);
    margin: 1.75rem 0 0.5rem;
}
.esim-blog-body p {
    font-family: 'Lora', serif;
    font-size: 1.1rem;
    line-height: 1.8;
    color: #444;
    margin-bottom: 1.25rem;
}
.esim-blog-body ul { margin: 1rem 0 1.5rem 1.5rem; }
.esim-blog-body li { font-family: 'Lora', serif; font-size: 1.05rem; line-height: 1.8; color: #444; margin-bottom: 0.4rem; }
.esim-blog-body strong { color: var(--navy); font-weight: 700; }
.esim-blog-body code { background: var(--cream-dark); border-radius: 6px; padding: 0.15rem 0.4rem; font-size: 0.9em; font-family: monospace; }

.esim-blog-table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: 0.95rem; font-family: 'Manrope', sans-serif; }
.esim-blog-table th { background: var(--teal); color: #fff; padding: 0.75rem; text-align: left; font-weight: 700; }
.esim-blog-table td { padding: 0.65rem 0.75rem; border-bottom: 1px solid var(--border-light); }
.esim-blog-table tr:nth-child(even) td { background: rgba(10,15,38,0.02); }

.esim-blog-cta {
    max-width: 600px;
    margin: 2.5rem auto;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 2rem;
    text-align: center;
}
.esim-blog-cta h3 { font-family: 'Work Sans', sans-serif; font-size: 1.25rem; font-weight: 600; color: var(--teal); margin-bottom: 0.5rem; }
.esim-blog-cta p { font-family: 'Manrope', sans-serif; font-size: 0.95rem; color: var(--text-secondary); margin-bottom: 1.25rem; }
.esim-blog-cta .btn {
    display: inline-block;
    background: var(--teal);
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    padding: 0.75rem 2rem;
    border-radius: 9999px;
    font-size: 1rem;
    transition: background 0.2s;
}
.esim-blog-cta .btn:hover { background: var(--teal-dark); }
.esim-blog-cta .btn-outline {
    background: transparent;
    color: var(--teal);
    border: 1.5px solid var(--teal);
    margin-left: 0.5rem;
}
.esim-blog-cta .btn-outline:hover { background: var(--teal); color: #fff; }

.esim-blog-doktorly-strip {
    max-width: 600px;
    margin: 2.5rem auto;
    background: linear-gradient(135deg, var(--teal), var(--navy));
    border-radius: var(--radius-xl);
    padding: 2rem;
    text-align: center;
}
.esim-blog-doktorly-strip h3 { color: #fff; font-family: 'Work Sans', sans-serif; font-size: 1.1rem; font-weight: 600; margin-bottom: 0.35rem; }
.esim-blog-doktorly-strip p { font-family: 'Manrope', sans-serif; color: rgba(255,255,255,0.75); font-size: 0.9rem; margin-bottom: 1rem; }
.esim-blog-doktorly-strip a {
    display: inline-block;
    background: var(--cream);
    color: var(--navy);
    text-decoration: none;
    font-weight: 700;
    padding: 0.5rem 1.5rem;
    border-radius: 9999px;
    font-size: 0.9rem;
}

.esim-blog-related { max-width: 720px; margin: 0 auto; padding: 2rem 1.5rem 3rem; }
.esim-blog-related h2 { font-family: 'Work Sans', sans-serif; font-size: 1.25rem; font-weight: 600; color: var(--text-primary); margin-bottom: 1rem; }
.esim-blog-related-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; }
@media(min-width:768px){ .esim-blog-related-grid{grid-template-columns:repeat(3,1fr)} }
.esim-blog-related-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    text-decoration: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.esim-blog-related-card:hover { border-color: var(--teal); box-shadow: 0 8px 16px -6px rgba(17,94,89,0.15); }
.esim-blog-related-card .cat { font-size: 0.65rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--teal); margin-bottom: 0.35rem; }
.esim-blog-related-card h3 { font-family: 'Work Sans', sans-serif; font-size: 0.95rem; font-weight: 600; color: var(--text-primary); line-height: 1.35; }

.esim-blog-footer { background: var(--navy); color: rgba(255,255,255,0.5); padding: 1.5rem; text-align: center; font-size: 0.85rem; }
.esim-blog-footer a { color: rgba(255,255,255,0.7); text-decoration: none; }

/* RTL support for Arabic */
[dir="rtl"] .esim-blog-body ul { margin-left: 0; margin-right: 1.5rem; }
[dir="rtl"] .esim-blog-nav .back { flex-direction: row-reverse; }