/* SoftoChain homepage - standalone, no framework */
:root {
  --ink: #0b1220; --ink-2: #111a2e; --text: #1e293b; --muted: #64748b; --line: #e2e8f0;
  --bg: #ffffff; --alt: #f6f8fb; --jade: #10b981; --jade-d: #059669; --sky: #38bdf8;
  --r: 16px; --sh: 0 10px 30px rgba(15, 23, 42, .08);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.sc { margin: 0; font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans Bengali", sans-serif; color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; }
.sc a { color: inherit; text-decoration: none; }
.sc-wrap { width: min(1160px, 100% - 32px); margin-inline: auto; }
.sc-narrow { width: min(760px, 100% - 32px); }
.sc-muted { color: var(--muted); }

/* buttons */
.sc-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 22px; border: 0; border-radius: 12px; background: var(--jade); color: #fff !important; font-weight: 700; font-size: 15px; cursor: pointer; transition: background .15s, transform .15s; white-space: nowrap; }
.sc-btn:hover { background: var(--jade-d); transform: translateY(-1px); }
.sc-btn-sm { padding: 8px 16px; font-size: 14px; border-radius: 10px; }
.sc-btn-ghost { background: transparent; color: var(--ink) !important; box-shadow: inset 0 0 0 1.5px var(--line); }
.sc-btn-ghost:hover { background: var(--alt); box-shadow: inset 0 0 0 1.5px var(--jade); }
.sc-btn-light { background: #fff; color: var(--ink) !important; }
.sc-btn-light:hover { background: #ecfdf5; }
.sc-btn-block { width: 100%; }

/* nav */
.sc-nav { position: sticky; top: 0; z-index: 50; background: rgba(11, 18, 32, .96); color: #fff; }
.sc-nav-in { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.sc-brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; letter-spacing: -.01em; }
.sc-brand-mark { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: linear-gradient(135deg, var(--jade), var(--sky)); color: var(--ink); font-weight: 900; }
.sc-links { display: flex; align-items: center; gap: 26px; font-size: 15px; font-weight: 600; }
.sc-links a:not(.sc-btn) { color: #cbd5e1; }
.sc-links a:not(.sc-btn):hover { color: #fff; }
.sc-menu-cb, .sc-menu-btn { display: none; }
@media (max-width: 820px) {
  .sc-menu-btn { display: grid; place-items: center; width: 42px; height: 42px; cursor: pointer; }
  .sc-menu-btn span, .sc-menu-btn span::before, .sc-menu-btn span::after { display: block; width: 22px; height: 2px; background: #fff; border-radius: 2px; position: relative; content: ""; }
  .sc-menu-btn span::before { position: absolute; top: -7px; } .sc-menu-btn span::after { position: absolute; top: 7px; }
  .sc-links { display: none; position: absolute; top: 66px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; padding: 8px 16px 16px; background: var(--ink); }
  .sc-links a { padding: 12px 4px; }
  .sc-links .sc-btn { margin-top: 8px; }
  .sc-menu-cb:checked ~ .sc-links { display: flex; }
}

/* hero */
.sc-hero { position: relative; overflow: hidden; padding: 84px 0 72px; text-align: center; color: #fff; background: radial-gradient(900px 420px at 50% -10%, rgba(16, 185, 129, .35), transparent 70%), radial-gradient(700px 380px at 90% 20%, rgba(56, 189, 248, .22), transparent 70%), var(--ink); }
.sc-pill { display: inline-block; padding: 6px 14px; border-radius: 999px; background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .14); font-size: 13px; font-weight: 600; color: #a7f3d0; }
.sc-hero h1 { margin: 18px auto 14px; max-width: 820px; font-size: clamp(34px, 6vw, 60px); line-height: 1.08; letter-spacing: -.03em; font-weight: 850; }
.sc-grad { background: linear-gradient(90deg, #34d399, #38bdf8); -webkit-background-clip: text; background-clip: text; color: transparent; }
.sc-lead { max-width: 640px; margin: 0 auto 32px; font-size: 18px; color: #cbd5e1; }
.sc-search { display: flex; gap: 8px; max-width: 680px; margin: 0 auto; padding: 8px; background: #fff; border-radius: 16px; box-shadow: 0 20px 50px rgba(0, 0, 0, .35); }
.sc-search input { flex: 1; min-width: 0; border: 0; outline: 0; padding: 0 12px; font-size: 17px; color: var(--ink); background: transparent; }
.sc-search select { border: 0; border-left: 1px solid var(--line); padding: 0 10px; font-size: 16px; font-weight: 700; color: var(--ink); background: transparent; outline: 0; }
.sc-domain-result { min-height: 28px; margin: 16px auto 0; max-width: 680px; font-weight: 600; color: #cbd5e1; display: flex; align-items: center; justify-content: center; gap: 12px; flex-wrap: wrap; }
.sc-domain-result.is-ok { color: #6ee7b7; }
.sc-domain-result.is-bad { color: #fca5a5; }
.sc-tld-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 22px; margin: 18px 0 0; padding: 0; list-style: none; font-size: 14px; color: #94a3b8; }
.sc-tld-row b { color: #fff; }
@media (max-width: 560px) {
  .sc-hero { padding: 56px 0 48px; }
  .sc-search { flex-wrap: wrap; }
  .sc-search input { flex-basis: 100%; height: 48px; }
  .sc-search select { border-left: 0; height: 46px; flex: 1; background: var(--alt); border-radius: 10px; }
  .sc-search .sc-btn { flex: 1; }
}

/* sections */
.sc-section { padding: 84px 0; }
.sc-alt { background: var(--alt); }
.sc-head { text-align: center; margin-bottom: 44px; }
.sc-head h2, .sc-cta h2 { margin: 0 0 8px; font-size: clamp(28px, 4vw, 40px); letter-spacing: -.02em; line-height: 1.15; color: var(--ink); }

/* plans */
.sc-plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 22px; align-items: stretch; }
.sc-plan { position: relative; display: flex; flex-direction: column; padding: 30px 26px; border: 1px solid var(--line); border-radius: 20px; background: #fff; transition: transform .2s, box-shadow .2s; }
.sc-plan:hover { transform: translateY(-4px); box-shadow: var(--sh); }
.sc-plan.is-featured { border: 2px solid var(--jade); box-shadow: 0 18px 45px rgba(16, 185, 129, .18); }
.sc-badge { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); padding: 4px 14px; border-radius: 999px; background: var(--jade); color: #fff; font-size: 12px; font-weight: 800; letter-spacing: .03em; text-transform: uppercase; }
.sc-plan h3 { margin: 0; font-size: 20px; color: var(--ink); }
.sc-price { margin: 14px 0 6px; font-size: 44px; font-weight: 850; letter-spacing: -.03em; color: var(--ink); line-height: 1; }
.sc-price span { font-size: 26px; vertical-align: 14px; margin-right: 2px; }
.sc-price small { font-size: 15px; font-weight: 600; color: var(--muted); letter-spacing: 0; }
.sc-plan-desc { flex: 1; margin-bottom: 24px; color: var(--muted); }
.sc-plan-desc p { margin: 8px 0 14px; }
.sc-plan-desc ul { list-style: none; margin: 0; padding: 0; }
.sc-plan-desc li { position: relative; padding: 7px 0 7px 28px; border-top: 1px dashed var(--line); color: var(--text); }
.sc-plan-desc li::before { content: ""; position: absolute; left: 2px; top: 12px; width: 16px; height: 16px; border-radius: 50%; background: #d1fae5 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23059669' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5'/%3E%3C/svg%3E") center/12px no-repeat; }
.sc-plan-desc strong { color: var(--ink); }

/* features */
.sc-features { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 18px; }
.sc-feat { padding: 26px; background: #fff; border: 1px solid var(--line); border-radius: var(--r); }
.sc-feat i { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 12px; background: #ecfdf5; font-style: normal; font-size: 22px; }
.sc-feat h3 { margin: 14px 0 6px; font-size: 18px; color: var(--ink); }
.sc-feat p { margin: 0; color: var(--muted); }

/* faq */
.sc-faq { border: 1px solid var(--line); border-radius: 14px; padding: 0 20px; margin-bottom: 12px; background: #fff; }
.sc-faq summary { cursor: pointer; padding: 18px 0; font-weight: 700; color: var(--ink); list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.sc-faq summary::-webkit-details-marker { display: none; }
.sc-faq summary::after { content: "+"; font-size: 22px; line-height: 1; color: var(--jade); }
.sc-faq[open] summary::after { content: "−"; }
.sc-faq p { margin: 0 0 18px; color: var(--muted); }

/* cta + footer */
.sc-cta { padding: 72px 0; text-align: center; color: #fff; background: linear-gradient(135deg, var(--jade-d), #0e7490); }
.sc-cta h2 { color: #fff; }
.sc-cta p { margin: 0 0 24px; color: #d1fae5; font-size: 18px; }
.sc-foot { background: var(--ink); color: #94a3b8; padding: 56px 0 24px; font-size: 15px; }
.sc-foot-grid { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 32px; }
.sc-foot .sc-brand { color: #fff; }
.sc-foot h4 { margin: 0 0 12px; color: #fff; font-size: 15px; }
.sc-foot-grid > div > a:not(.sc-brand) { display: block; padding: 4px 0; }
.sc-foot a:hover { color: #fff; }
.sc-foot-bottom { margin-top: 40px; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, .08); font-size: 14px; }
@media (max-width: 720px) { .sc-foot-grid { grid-template-columns: 1fr 1fr; } .sc-foot-grid > div:first-child { grid-column: 1 / -1; } .sc-section { padding: 60px 0; } }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }