:root {
  --sdm-bg: #ffffff;
  --sdm-surface: #ffffff;
  --sdm-text: #1b2330;
  --sdm-muted: #637089;
  --sdm-primary: #0f62fe;
  --sdm-primary-2: #7a4cff;
  --sdm-accent: #1dd1a1;
  --sdm-danger: #ff4757;
  --sdm-warning: #ffa502;
  --sdm-border: #e9eef5;
  --sdm-max: 1200px;
}

/* Reset */
* { box-sizing: border-box; }
html { font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Noto Sans", "Helvetica Neue", Arial, "Apple Color Emoji", "Segoe UI Emoji"; font-size: 16px; line-height: 1.6; }
body { margin: 0; color: var(--sdm-text); background: var(--sdm-bg); }
html, body { overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: var(--sdm-primary); text-decoration: none; }
ul,ol { padding-left: 1.25rem; }

/* Layout */
.sdm-container { width: 100%; max-width: var(--sdm-max); margin: 0 auto; padding: 0 20px; }
.sdm-section { padding: 56px 0; }
.sdm-section--tight { padding: 32px 0; }
.sdm-surface { background: var(--sdm-surface); border-radius: 16px; box-shadow: 0 10px 30px rgba(16,24,40,.08); border: 1px solid var(--sdm-border); }

/* Header */
.sdm-header { position: sticky; top: 0; z-index: 1000; background: #000; box-shadow: 0 4px 16px rgba(0,0,0,.4); }
.sdm-nav { display: flex; align-items: center; gap: 16px; height: 64px; }
.sdm-brand { display: flex; align-items: center; gap: 12px; font-weight: 700; color: #fff; }
.sdm-brand img { width: 32px; height: 32px; border-radius: 6px; }
.sdm-brand .sdm-logo { width: 230px; height: 46px; object-fit: contain; }
.sdm-nav-links { display: flex; align-items: center; gap: 18px; margin-left: auto; }
.sdm-nav-links a { color: #fff; padding: 8px 10px; border-radius: 10px; }
.sdm-nav-links a:hover { background: rgba(255,255,255,.12); }
.sdm-cta { background: #fff; color: #1a1a1a; font-weight: 700; padding: 8px 14px; border-radius: 12px; }
.sdm-cta:hover { background: #f2f2f2; }

/* Mobile Nav */
.sdm-menu-toggle { display: none; margin-left: auto; background: rgba(255,255,255,.2); color: #fff; border: 0; border-radius: 10px; padding: 8px 12px; }
.sdm-nav-mobile { display: none; flex-direction: column; gap: 6px; padding: 10px 0 16px; }
.sdm-nav-mobile a { color: #fff; padding: 10px 14px; border-radius: 10px; }
.sdm-nav-mobile a:hover { background: rgba(255,255,255,.12); }

/* Language Dropdown */
.sdm-lang { position: relative; }
.sdm-lang-btn { display: inline-flex; align-items: center; gap: 8px; color: #fff; background: rgba(255,255,255,.2); border: 0; border-radius: 10px; padding: 8px 12px; }
.sdm-lang-menu { position: absolute; right: 0; top: calc(100% + 8px); width: 320px; max-height: 360px; overflow: auto; background: #fff; color: #111; border-radius: 12px; box-shadow: 0 15px 40px rgba(0,0,0,.4); display: none; max-width: 95vw; }
.sdm-lang.open .sdm-lang-menu { display: block; }
.sdm-lang-group { font-weight: 700; padding: 10px 14px; color: #555; position: sticky; top: 0; background: #fafafa; border-bottom: 1px solid #eee; }
.sdm-lang-item { display: flex; align-items: center; justify-content: space-between; padding: 12px 14px; border-bottom: 1px solid #f0f0f0; }
.sdm-lang-item:hover { background: #f7f7ff; }
.sdm-lang-code { font-weight: 700; color: #333; }
.sdm-lang-name { color: #222; }

/* Hero */
.sdm-hero { position: relative; background: linear-gradient(0deg, rgba(0,0,0,.55), rgba(0,0,0,.35)), url('images/hero.jpg') center/cover no-repeat; color: #fff; }
.sdm-hero .sdm-hero-wrap { grid-template-columns: 1fr; text-align: center; padding: 56px 0; }
.sdm-hero h1 { color: #fff; }
.sdm-hero .sdm-lead { color: #e4ebf6; }
.sdm-hero .sdm-btns { justify-content: center; }
.sdm-hero-wrap { display: grid; grid-template-columns: 1.2fr .8fr; gap: 28px; align-items: center; }
.sdm-hero h1 { font-size: 2.2rem; line-height: 1.25; margin: 0 0 12px; }
.sdm-hero p { color: var(--sdm-muted); margin: 0 0 18px; }
.sdm-btns { display: flex; gap: 12px; flex-wrap: wrap; }
.sdm-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 16px; border-radius: 12px; font-weight: 700; border: 0; cursor: pointer; }
.sdm-btn--primary { background: var(--sdm-accent); color: #062b22; }
.sdm-btn--ghost { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.3); }
.sdm-hero-img { border-radius: 16px; overflow: hidden; box-shadow: 0 20px 50px rgba(0,0,0,.45); }
.sdm-hero-img img { width: 100%; height: 340px; object-fit: cover; }

/* Unified image height for cards */
.sdm-avatar { height: 220px; }
.sdm-avatar img { width: 100%; height: 100%; object-fit: cover; }

/* City cards */
.sdm-city-img { width: 100%; height: 160px; object-fit: cover; border-radius: 14px; box-shadow: 0 6px 18px rgba(16,24,40,.08); }
.sdm-city-card { display: flex; flex-direction: column; gap: 12px; }
.sdm-city-card h3 { margin: 0; font-size: 1.05rem; color: #0f172a; }
.sdm-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.sdm-chip { display: inline-block; background: #eef3fb; border: 1px solid var(--sdm-border); color: #364152; padding: 4px 10px; border-radius: 999px; font-size: .85rem; }

/* Grids */
.sdm-grid { display: grid; gap: 20px; }
.sdm-grid--3 { grid-template-columns: repeat(3, 1fr); }
.sdm-grid--2 { grid-template-columns: repeat(2, 1fr); }
.sdm-grid--4 { grid-template-columns: repeat(4, 1fr); }

/* Cards */
.sdm-card { background: var(--sdm-surface); border-radius: 14px; padding: 18px; box-shadow: 0 8px 24px rgba(16,24,40,.06); border: 1px solid var(--sdm-border); }
.sdm-card:hover { box-shadow: 0 12px 28px rgba(16,24,40,.08); }
.sdm-card h3 { margin: 8px 0 6px; font-size: 1.1rem; }
.sdm-card p { color: var(--sdm-muted); }
.sdm-avatar { border-radius: 14px; overflow: hidden; }
.sdm-tag { display: inline-block; background: rgba(122,76,255,.25); color: #d9ceff; padding: 4px 10px; border-radius: 999px; font-size: .85rem; }

/* Feature icons */
.sdm-feature { text-align: left; }
.sdm-feature svg { width: 36px; height: 36px; fill: none; stroke: #1f2a44; stroke-width: 2px; }
.sdm-feature h4 { color: #0f172a; }
.sdm-feature h4 { margin: 10px 0 6px; }
.sdm-feature p { color: var(--sdm-muted); }

/* Content */
.sdm-lead { font-size: 1.15rem; color: var(--sdm-muted); }
.sdm-list { display: grid; gap: 10px; }
.sdm-list li { background: #f8fafc; padding: 8px 12px; border-radius: 10px; border: 1px solid var(--sdm-border); }

/* Footer */
.sdm-footer { background: #151a23; padding: 48px 0 20px; color: #cfd6e4; }
.sdm-footer a { color: #d6dde9; }
.sdm-footer .sdm-sub { margin-top: 14px; font-size: .9rem; text-align: center; color: #8f98a8; }
.sdm-footer strong { color: #e9ecf1; letter-spacing: .2px; }
.sdm-footer .sdm-list li { background: rgba(255,255,255,.03); }
.sdm-hr { border: 0; height: 1px; background: rgba(255,255,255,.08); margin: 20px 0 8px; }
.sdm-footer .sdm-muted { color: #cad1de; }

/* Footer countries dropdown */
.sdm-foot-dd { position: relative; }
.sdm-foot-btn { display: inline-flex; align-items: center; gap: 8px; color: #d6dde9; background: rgba(255,255,255,.08); border: 0; border-radius: 10px; padding: 8px 12px; }
.sdm-foot-menu { position: absolute; left: 0; bottom: calc(100% + 8px); width: 340px; max-height: 360px; overflow: auto; background: #fff; color: #111; border-radius: 12px; box-shadow: 0 15px 40px rgba(0,0,0,.4); display: none; }
.sdm-foot-dd.open .sdm-foot-menu { display: block; }
.sdm-foot-group { font-weight: 700; padding: 10px 14px; color: #555; position: sticky; top: 0; background: #fafafa; border-bottom: 1px solid #eee; }
.sdm-foot-item { display: flex; align-items: center; justify-content: space-between; padding: 12px 14px; border-bottom: 1px solid #f0f0f0; }
.sdm-foot-item:hover { background: #f7f7ff; }

/* Visual variety accents on buttons */
.sdm-btn--primary { background: var(--sdm-accent); color: #062b22; box-shadow: 0 6px 14px rgba(29,209,161,.25); }
.sdm-btn--primary:hover { filter: brightness(1.05); }
.sdm-btn--ghost { border-color: rgba(255,255,255,.5); }


/* Tables */
.sdm-table { width: 100%; border-collapse: collapse; }
.sdm-table th, .sdm-table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid rgba(255,255,255,.08); }
.sdm-table th { color: #cfd6e4; }

/* Utilities */
.sdm-center { text-align: center; }
.sdm-muted { color: var(--sdm-muted); }
.sdm-wrap { padding: 14px; }
.sdm-spaced { margin-top: 14px; }
.sdm-kbd { background: #222; border: 1px solid #333; border-radius: 6px; padding: 2px 6px; }

/* Responsive */
@media (max-width: 980px) {
  .sdm-hero-wrap { grid-template-columns: 1fr; }
  .sdm-grid--3 { grid-template-columns: 1fr; }
  .sdm-grid--4 { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .sdm-nav-links { display: none; }
  .sdm-menu-toggle { display: inline-flex; }
  .sdm-nav-mobile { display: none; }
  .sdm-grid--2, .sdm-grid--3, .sdm-grid--4 { grid-template-columns: 1fr; }
}

.sdm-center .sdm-btns { justify-content: center; }
.sdm-grid--1 { grid-template-columns: 1fr; }
.sdm-faq li strong { display: block; margin-bottom: 6px; color: #0f172a; }
.sdm-faq li p { margin: 0; color: var(--sdm-muted); }
.sdm-rules { display: grid; gap: 10px; }
.sdm-rule { display: flex; align-items: flex-start; gap: 12px; background: #f8fafc; border: 1px solid var(--sdm-border); border-radius: 12px; padding: 10px 12px; }
.sdm-rule-icon { width: 22px; height: 22px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; font-size: .85rem; }
.sdm-rule--ok .sdm-rule-icon { background: var(--sdm-accent); }
.sdm-rule--warn .sdm-rule-icon { background: var(--sdm-danger); }
.sdm-rule h4 { margin: 0 0 4px; font-size: 1rem; color: #0f172a; }
.sdm-rule p { margin: 0; color: var(--sdm-muted); }
.sdm-post-img { width: 100%; height: 180px; object-fit: cover; border-radius: 14px; box-shadow: 0 6px 18px rgba(16,24,40,.08); }
.sdm-blog-card h3 { margin: 8px 0 6px; font-size: 1.1rem; color: #0f172a; }
.sdm-blog-meta { color: var(--sdm-muted); font-size: .9rem; }

/* Country page enhancements */
.sdm-country-hero { background: linear-gradient(0deg, rgba(0,0,0,.55), rgba(0,0,0,.35)), url('images/japan.jpg') center/cover no-repeat; color: #fff; }
.sdm-feature-grid { display: grid; gap: 20px; grid-template-columns: repeat(4, 1fr); }
.sdm-feature svg { width: 40px; height: 40px; stroke: #0f172a; }
.sdm-section h2 { margin: 0 0 12px; font-size: 1.6rem; color: #0f172a; }
.sdm-section h3 { margin: 10px 0 8px; font-size: 1.2rem; color: #0f172a; }
.sdm-profile-card { display: flex; flex-direction: column; gap: 10px; }
.sdm-profile-card img { width: 100%; height: 220px; object-fit: cover; border-radius: 12px; box-shadow: 0 8px 24px rgba(16,24,40,.08); }
.sdm-profile-img { width: 100%; height: 220px; object-fit: cover; border-radius: 12px; box-shadow: 0 8px 24px rgba(16,24,40,.08); }
.sdm-profile-meta { display: flex; gap: 8px; flex-wrap: wrap; color: #637089; font-size: .9rem; }
.sdm-bars .sdm-card { min-height: 180px; }
.sdm-city-img { width: 100%; height: 180px; object-fit: cover; border-radius: 12px; box-shadow: 0 8px 24px rgba(16,24,40,.08); margin-bottom: 10px; }
.sdm-faq { display: grid; gap: 12px; }
.sdm-faq li { list-style: none; background: #f8fafc; border: 1px solid var(--sdm-border); border-radius: 12px; padding: 12px 14px; }
.sdm-faq li strong { display: block; margin-bottom: 6px; color: #0f172a; }
.sdm-faq li p { margin: 0; color: var(--sdm-muted); }
.sdm-kicker { font-weight: 700; letter-spacing: .3px; color: var(--sdm-primary); }
.sdm-city-note { color: var(--sdm-muted); }

@media (max-width: 980px) {
  .sdm-feature-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .sdm-feature-grid { grid-template-columns: 1fr; }
}
.sdm-country-hero--kr { background: linear-gradient(0deg, rgba(0,0,0,.55), rgba(0,0,0,.35)), url('images/kr.jpg') center/cover no-repeat; color: #fff; }
.sdm-country-hero--tw { background: linear-gradient(0deg, rgba(0,0,0,.55), rgba(0,0,0,.35)), url('images/tw.jpg') center/cover no-repeat; color: #fff; }
.sdm-country-hero--hk { background: linear-gradient(0deg, rgba(0,0,0,.55), rgba(0,0,0,.35)), url('images/hero.jpg') center/cover no-repeat; color: #fff; }
.sdm-country-hero--vn { background: linear-gradient(0deg, rgba(0,0,0,.55), rgba(0,0,0,.35)), url('images/vn.jpg') center/cover no-repeat; color: #fff; }
.sdm-country-hero--th { background: linear-gradient(0deg, rgba(0,0,0,.55), rgba(0,0,0,.35)), url('images/bangkok.jpg') center/cover no-repeat; color: #fff; }
.sdm-country-hero--my { background: linear-gradient(0deg, rgba(0,0,0,.55), rgba(0,0,0,.35)), url('images/my.jpg') center/cover no-repeat; color: #fff; }
.sdm-country-hero--ph { background: linear-gradient(0deg, rgba(0,0,0,.55), rgba(0,0,0,.35)), url('images/Manila.jpg') center/cover no-repeat; color: #fff; }
.sdm-country-hero--id { background: linear-gradient(0deg, rgba(0,0,0,.55), rgba(0,0,0,.35)), url('images/id.jpg') center/cover no-repeat; color: #fff; }
.sdm-country-hero--sa { background: linear-gradient(0deg, rgba(0,0,0,.55), rgba(0,0,0,.35)), url('images/sugarbaymeaningindia.jpg') center/cover no-repeat; color: #fff; }
.sdm-table { width: 100%; border-collapse: collapse; }
.sdm-table th, .sdm-table td { border: 1px solid var(--sdm-border); padding: 10px; text-align: left; }
.sdm-table th { background: #f1f5f9; color: #0f172a; }