@import url("https://fonts.googleapis.com/css2?family=Nunito:wght@600;700;800;900&family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,400&family=DM+Mono:wght@400;500&display=swap");:root{--teal:#0ea5a0;--teal-bright:#14b8b2;--teal-deep:#0a7a76;--teal-wash:#e6fafa;--teal-glow:rgba(14,165,160,0.15);--teal-ring:rgba(14,165,160,0.25);--emerald:#10b981;--emerald-wash:#d1fae5;--surface:#ffffff;--surface-off:#f8fafb;--surface-mid:#f1f5f6;--surface-deep:#e4ecee;--ink:#1a2a2e;--ink-soft:#375157;--ink-muted:#6b8a91;--ink-faint:#9bb5bc;--line:rgba(26,42,46,0.1);--line-soft:rgba(26,42,46,0.05);--amber:#f59e0b;--amber-wash:#fffbeb;--shadow-xs:0 1px 3px rgba(14,165,160,0.04),0 1px 2px rgba(26,42,46,0.05);--shadow-sm:0 2px 6px rgba(26,42,46,0.05),0 4px 16px -4px rgba(26,42,46,0.08);--shadow-md:0 4px 12px rgba(26,42,46,0.06),0 16px 40px -8px rgba(26,42,46,0.1);--shadow-teal:0 0 0 3px var(--teal-ring),0 4px 20px rgba(14,165,160,0.2);--display:"Nunito","Trebuchet MS",sans-serif;--body:"DM Sans","Segoe UI",system-ui,-apple-system,sans-serif;--mono:"DM Mono","Fira Code","Consolas",monospace;--radius-sm:6px;--radius:12px;--radius-lg:18px;--radius-xl:24px;--maxw:1120px;--tool-maxw:780px}*,:after,:before{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{margin:0;background:var(--surface-off);background-image:radial-gradient(ellipse 80% 50% at 50% -20%,rgba(14,165,160,.07),transparent 60%),radial-gradient(ellipse 40% 40% at 100% 80%,rgba(16,185,129,.04),transparent 50%);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.65;font-weight:400;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{cursor:pointer}.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(1rem,4vw,2.5rem)}.masthead{background:var(--surface);border-bottom:1px solid var(--line);position:-webkit-sticky;position:sticky;top:0;z-index:100;box-shadow:0 1px 12px rgba(26,42,46,.06)}.masthead__inner{justify-content:space-between;padding-block:.875rem}.brand,.masthead__inner{display:flex;align-items:center}.brand{gap:.6rem}.brand__icon{display:flex;align-items:center;justify-content:center;width:2.1rem;height:2.1rem;background:linear-gradient(135deg,var(--teal) 0,var(--teal-bright) 100%);border-radius:10px;color:#fff;font-size:1.1rem;font-weight:700;flex-shrink:0;box-shadow:0 2px 8px rgba(14,165,160,.3)}.brand__icon,.brand__name{font-family:var(--display)}.brand__name{font-size:1.15rem;font-weight:800;color:var(--ink);line-height:1;letter-spacing:-.01em}.brand__name em{font-style:normal;color:var(--teal)}.masthead__nav{display:flex;gap:.25rem}.masthead__nav a{color:var(--ink-muted);font-size:.85rem;font-weight:500;padding:.35rem .8rem;border-radius:8px;transition:color .15s,background .15s}.masthead__nav a:hover{color:var(--ink);background:var(--surface-mid)}.hero{padding-block:clamp(3rem,6vw,5rem) clamp(2rem,4vw,3rem);position:relative;text-align:center}.hero__eyebrow{display:inline-flex;align-items:center;gap:.5rem;background:var(--teal-wash);color:var(--teal-deep);border:1px solid rgba(14,165,160,.2);border-radius:999px;padding:.3rem .9rem;font-size:.78rem;font-weight:600;letter-spacing:.04em;margin-bottom:1.25rem}.hero__eyebrow-dot{width:6px;height:6px;background:var(--teal);border-radius:50%}.hero__title{font-family:var(--display);font-size:clamp(2.4rem,6vw,4rem);font-weight:900;line-height:1.05;letter-spacing:-.02em;color:var(--ink);margin:0 auto 1.1rem;max-width:18ch}.hero__title em{font-style:normal;color:var(--teal)}.hero__sub{font-size:1.05rem;color:var(--ink-soft);max-width:52ch;margin:0 auto 2rem;line-height:1.6}.hero__badges{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center}.hero__badge{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:.28rem .75rem;font-size:.78rem;font-weight:500;color:var(--ink-soft);box-shadow:var(--shadow-xs)}.tool-section{padding-block:clamp(2rem,4vw,3.5rem)}.addr-tool{max-width:var(--tool-maxw);margin-inline:auto}.addr-notice{display:flex;align-items:flex-start;gap:.6rem;background:var(--amber-wash);border:1px solid rgba(245,158,11,.25);border-left:3px solid var(--amber);border-radius:var(--radius);padding:.85rem 1.1rem;margin-bottom:1.5rem;font-size:.84rem;line-height:1.5;color:var(--ink-soft)}.addr-notice__icon{font-size:1rem;flex-shrink:0;margin-top:.05rem}.addr-notice strong{color:var(--ink);font-weight:600}.addr-controls{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:1.5rem;box-shadow:var(--shadow-sm);display:flex;flex-wrap:wrap;gap:1rem;align-items:flex-end;margin-bottom:1.5rem}.addr-field{display:flex;flex-direction:column;gap:.4rem;flex:1 1 140px}.addr-field--grow{flex:2 1 200px}.addr-label{font-size:.72rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-muted);font-family:var(--mono)}.addr-select{width:100%;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--surface-off);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b8a91' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .75rem center;border:1.5px solid var(--surface-deep);border-radius:var(--radius-sm);padding:.6rem 2.2rem .6rem .85rem;font-family:var(--body);font-size:.92rem;font-weight:500;color:var(--ink);transition:border-color .15s,box-shadow .15s,background .15s;cursor:pointer}.addr-select:focus{outline:none;border-color:var(--teal);background-color:var(--surface);box-shadow:0 0 0 3px var(--teal-ring)}.addr-count-toggle{display:flex;background:var(--surface-off);border:1.5px solid var(--surface-deep);border-radius:var(--radius-sm);overflow:hidden;height:2.6rem}.addr-count-btn{flex:1 1;border:none;background:transparent;font-family:var(--display);font-size:.9rem;font-weight:700;color:var(--ink-muted);transition:background .15s,color .15s;padding:0;min-width:2.5rem}.addr-count-btn:hover{color:var(--ink);background:var(--surface-mid)}.addr-count-btn--active{background:var(--teal);color:#fff;box-shadow:inset 0 1px 2px rgba(0,0,0,.1)}.addr-count-btn--active:hover{background:var(--teal-bright);color:#fff}.addr-actions{display:flex;gap:.6rem;flex:1 1 220px}.addr-btn{flex:1 1;border:none;border-radius:var(--radius-sm);padding:.65rem 1rem;font-family:var(--display);font-size:.92rem;font-weight:700;letter-spacing:.01em;transition:background .15s,box-shadow .15s,transform .1s;white-space:nowrap}.addr-btn--primary{background:linear-gradient(135deg,var(--teal) 0,var(--teal-bright) 100%);color:#fff;box-shadow:0 2px 8px rgba(14,165,160,.35)}.addr-btn--primary:hover{background:linear-gradient(135deg,var(--teal-bright) 0,#1ec9c3 100%);box-shadow:0 4px 16px rgba(14,165,160,.45);transform:translateY(-1px)}.addr-btn--primary:active{transform:none}.addr-btn--secondary{background:var(--surface-off);color:var(--ink-soft);border:1.5px solid var(--surface-deep)}.addr-btn--secondary:hover{background:var(--surface-mid);color:var(--ink);border-color:var(--ink-faint)}.addr-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));grid-gap:1rem;gap:1rem;min-height:160px}.addr-card{background:var(--surface);border:1.5px solid var(--line);border-radius:var(--radius-lg);padding:1.25rem 1.3rem;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:.5rem;transition:border-color .15s,box-shadow .15s,transform .15s;animation:card-in .25s ease both}.addr-card:hover{border-color:var(--teal);box-shadow:var(--shadow-teal);transform:translateY(-2px)}@keyframes card-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.addr-card__line1{font-family:var(--display);font-size:1.05rem;font-weight:800;color:var(--ink);line-height:1.2}.addr-card__country,.addr-card__line2{font-size:.88rem;color:var(--ink-soft);line-height:1.4}.addr-card__country{font-family:var(--mono);font-size:.72rem;font-weight:500;letter-spacing:.06em;color:var(--ink-muted);text-transform:uppercase}.addr-card__sep{height:1px;background:var(--line);margin:.15rem 0}.addr-card__copy{align-self:flex-start;margin-top:.25rem;border:1.5px solid var(--surface-deep);border-radius:7px;background:var(--surface-off);color:var(--ink-muted);font-family:var(--mono);font-size:.72rem;font-weight:500;padding:.3rem .7rem;letter-spacing:.04em;transition:all .15s}.addr-card__copy:hover{border-color:var(--teal);color:var(--teal-deep);background:var(--teal-wash)}.addr-card__copy--copied{background:var(--emerald-wash);border-color:var(--emerald);color:var(--emerald)}.addr-skeleton{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));grid-gap:1rem;gap:1rem}.addr-skeleton__card{background:var(--surface);border:1.5px solid var(--line);border-radius:var(--radius-lg);padding:1.25rem 1.3rem;display:flex;flex-direction:column;gap:.6rem}.addr-skeleton__line{background:linear-gradient(90deg,var(--surface-mid) 0,var(--surface-deep) 50%,var(--surface-mid) 100%);background-size:200% 100%;border-radius:4px;animation:shimmer 1.4s ease infinite}@keyframes shimmer{0%{background-position:200%}to{background-position:-200%}}.guides-section{padding-block:clamp(2.5rem,5vw,4rem)}.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;margin-bottom:1.75rem;padding-bottom:.75rem;border-bottom:2px solid var(--line)}.section-head__title{font-family:var(--display);font-size:1.5rem;font-weight:800;letter-spacing:-.01em;margin:0;color:var(--ink)}.section-head__sub{font-size:.8rem;color:var(--ink-faint);font-family:var(--mono)}.guides-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));grid-gap:1.1rem;gap:1.1rem}.guide-card{display:block;background:var(--surface);border:1.5px solid var(--line);border-radius:var(--radius-lg);padding:1.25rem 1.4rem;box-shadow:var(--shadow-xs);transition:border-color .15s,box-shadow .15s,transform .15s}.guide-card:hover{border-color:var(--teal);box-shadow:var(--shadow-teal);transform:translateY(-2px)}.guide-card__cat{display:inline-block;font-family:var(--mono);font-size:.65rem;letter-spacing:.1em;text-transform:uppercase;color:var(--teal-deep);margin-bottom:.5rem;font-weight:500}.guide-card__title{font-weight:700;font-size:.95rem;color:var(--ink);line-height:1.4;margin:0;font-family:var(--display)}.empty-guides{background:var(--surface);border:1.5px dashed var(--line);border-radius:var(--radius-lg);padding:2.5rem 2rem;text-align:center;color:var(--ink-faint)}.empty-guides p{margin:0;font-size:.9rem}footer{background:var(--surface);border-top:1px solid var(--line);color:var(--ink-faint);font-size:.75rem;font-family:var(--mono);line-height:1.6;padding-block:1.75rem}footer p{margin:0}@media (max-width:600px){.addr-controls{flex-direction:column}.addr-actions,.addr-field{flex:1 1 100%}}