:root{
  --sky:#7cc8f2; --sky-deep:#2b8fd6; --ice:#eaf7ff; --ice-2:#d6efff;
  --blush:#ffd6e3; --blush-deep:#ff7aa2;
  --ink:#16314a; --ink-soft:#4f6b85; --navy:#0f2238;
  --line:rgba(43,143,214,.16);
  --cta:linear-gradient(135deg,#ff6f9c 0%,#ff9a8b 55%,#ffb36b 100%);
  --radius:24px; --shadow:0 24px 60px -24px rgba(43,143,214,.45);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Tajawal",system-ui,sans-serif;color:var(--ink);line-height:1.9;font-size:18px;
  background:
    radial-gradient(900px 600px at 100% -10%,#ffe3ec 0%,transparent 60%),
    radial-gradient(800px 600px at -10% 10%,#d4efff 0%,transparent 60%),
    linear-gradient(180deg,#f4fbff 0%,#ffffff 40%,#f6fbff 100%);
  background-attachment:fixed;
  overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
a{color:var(--sky-deep);text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3{font-family:"Alexandria",sans-serif;line-height:1.35;letter-spacing:-.01em;color:var(--navy)}
.wrap{width:min(1160px,100% - 32px);margin-inline:auto}
.narrow{width:min(760px,100% - 32px);margin-inline:auto}

header{position:sticky;top:0;z-index:40;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);background:rgba(244,251,255,.82);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px;gap:12px}
.logo{font-family:"Alexandria";font-weight:900;font-size:26px;letter-spacing:.08em;background:linear-gradient(135deg,var(--sky-deep),#7fb8ff 50%,var(--blush-deep));-webkit-background-clip:text;background-clip:text;color:transparent}
.nav__links{display:flex;gap:22px;font-weight:500;color:var(--ink-soft);font-size:16px}
.nav__links a{color:var(--ink-soft)}
.nav__links a:hover,.nav__links a[aria-current]{color:var(--sky-deep)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;font-family:"Alexandria";font-weight:800;border-radius:999px;transition:transform .2s,box-shadow .2s;white-space:nowrap}
.btn--cta{background:var(--cta);color:#fff;padding:14px 26px;font-size:16px;box-shadow:0 14px 34px -10px rgba(255,111,156,.6)}
.btn--cta:hover{transform:translateY(-2px)}
.btn--sm{padding:10px 18px;font-size:14px}
@media (max-width:640px){.nav__links{gap:0}.nav__links a{display:none}.nav__links a[href="/blog/"]{display:inline-block;padding:7px 14px;border:1.5px solid var(--sky-deep);border-radius:999px;color:var(--sky-deep);font-weight:700;font-size:14px;line-height:1.2;white-space:nowrap}}

/* breadcrumbs */
.crumbs{font-size:14px;color:var(--ink-soft);margin:22px 0 6px}
.crumbs a{color:var(--ink-soft)}
.crumbs span{margin-inline:6px;opacity:.5}

/* blog index */
.bhero{padding:40px 0 18px;text-align:center}
.bhero .eyebrow{font-family:"Gowun Dodum",sans-serif;color:var(--blush-deep);letter-spacing:.2em;font-size:13px}
.bhero h1{font-size:clamp(30px,5vw,46px);margin:6px 0 10px}
.bhero p{color:var(--ink-soft);max-width:620px;margin-inline:auto}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px;padding:26px 0 70px}
.card{background:rgba(255,255,255,.75);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:0 10px 30px -18px rgba(43,143,214,.4);display:flex;flex-direction:column;gap:10px;transition:transform .2s,box-shadow .2s;color:var(--ink)}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.card .tag{align-self:flex-start;background:var(--ice);color:var(--sky-deep);font-size:13px;font-weight:700;padding:4px 12px;border-radius:999px}
.card h2{font-size:21px}
.card p{color:var(--ink-soft);font-size:16px;line-height:1.75}
.card .meta{margin-top:auto;font-size:13px;color:var(--ink-soft);display:flex;justify-content:space-between}
.card .more{color:var(--sky-deep);font-weight:700}

/* article */
article{padding-bottom:30px}
.ahead{padding:6px 0 20px}
.ahead .tag{display:inline-block;background:var(--blush);color:#c2185b;font-size:13px;font-weight:700;padding:4px 12px;border-radius:999px;margin-bottom:12px}
.ahead h1{font-size:clamp(28px,4.6vw,42px);margin-bottom:12px}
.ahead .lead{font-size:19px;color:var(--ink-soft)}
.ahead .meta{font-size:14px;color:var(--ink-soft);margin-top:12px}
.toc{background:rgba(255,255,255,.8);border:1px solid var(--line);border-radius:18px;padding:18px 22px;margin:10px 0 26px}
.toc strong{font-family:"Alexandria";display:block;margin-bottom:6px}
.toc ol{padding-inline-start:22px;font-size:16px}
.body h2{font-size:clamp(23px,3.4vw,29px);margin:38px 0 12px;scroll-margin-top:80px}
.body h3{font-size:20px;margin:24px 0 8px}
.body p{margin:0 0 16px}
.body ul,.body ol{margin:0 0 18px;padding-inline-start:24px}
.body li{margin-bottom:8px}
.body strong{color:var(--navy)}
.note{background:var(--ice);border-inline-start:4px solid var(--sky-deep);border-radius:14px;padding:16px 18px;margin:22px 0;font-size:17px}
.note.warn{background:#fff4f7;border-color:var(--blush-deep)}
.body table{width:100%;border-collapse:collapse;margin:10px 0 22px;font-size:16px;background:#fff;border-radius:14px;overflow:hidden}
.body th,.body td{border:1px solid var(--line);padding:10px 12px;text-align:start;vertical-align:top}
.body th{background:var(--ice);font-family:"Alexandria";font-weight:700}
.tablewrap{overflow-x:auto}

.promo{display:grid;grid-template-columns:150px 1fr;gap:20px;align-items:center;background:linear-gradient(135deg,#fff 0%,#eef8ff 100%);border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin:34px 0;box-shadow:var(--shadow)}
.promo img{width:150px;height:150px;object-fit:contain}
.promo h3{font-size:20px;margin-bottom:6px}
.promo p{font-size:16px;color:var(--ink-soft);margin-bottom:12px}
@media (max-width:560px){.promo{grid-template-columns:1fr;text-align:center}.promo img{margin-inline:auto}}

.faq{margin:34px 0}
.faq details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px 18px;margin-bottom:10px}
.faq summary{cursor:pointer;font-family:"Alexandria";font-weight:700;font-size:17px;color:var(--navy)}
.faq details p{margin-top:10px;font-size:17px}
.disclaimer{font-size:14px;color:var(--ink-soft);border-top:1px dashed var(--line);padding-top:14px;margin-top:28px}

.related{padding:10px 0 60px}
.related h2{font-size:24px;margin-bottom:6px}
.related .grid{padding:14px 0 0}

footer{background:var(--navy);color:#cfe3f5;text-align:center;padding:34px 16px 40px;font-size:15px;display:grid;gap:6px}
footer .logo{font-size:24px}
footer a{color:#fff}