/* ==========================================================================
   SaaS landing (public) — navy blue theme
   ========================================================================== */
:root {
  --navy-950: #04101f;
  --navy-900: #071a30;
  --navy-800: #0b2340;
  --navy-700: #123255;
  --navy-600: #1b4472;
  --line: rgba(150, 190, 235, 0.16);
  --text: #eaf2fb;
  --muted: #9cb4d0;
  --accent: #4f8dff;
  --accent-soft: #8ec5ff;
  --ok: #48d39f;
  --radius: 16px;
  --shadow: 0 24px 60px rgba(2, 10, 22, 0.55);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--navy-900);
  color: var(--text);
  font-family: "Hind Siliguri", "Noto Sans Bengali", "Segoe UI", system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

.ld-wrap { width: min(1120px, 100% - 40px); margin-inline: auto; }

/* ---------------------------------------------------------------- header */
.ld-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(7, 26, 48, 0.86);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.ld-header-in {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 68px;
}

.ld-brand {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.ld-brand-dot { color: var(--accent); }

.ld-nav {
  display: flex;
  gap: 22px;
  margin-left: 12px;
  font-size: 15px;
  color: var(--muted);
}

.ld-nav a:hover { color: var(--text); }

.ld-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 14px;
}

.ld-link { font-size: 15px; color: var(--muted); }
.ld-link:hover { color: var(--text); }

/* ---------------------------------------------------------------- buttons */
.ld-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
}

.ld-btn-primary {
  background: linear-gradient(135deg, var(--accent), #2f6ae0);
  color: #fff;
  box-shadow: 0 12px 28px rgba(47, 106, 224, 0.34);
}

.ld-btn-primary:hover { transform: translateY(-2px); }

.ld-btn-ghost {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.ld-btn-ghost:hover { background: rgba(255, 255, 255, 0.09); }

/* ------------------------------------------------------------------ hero */
.ld-hero {
  position: relative;
  overflow: hidden;
  padding: 84px 0 92px;
  background:
    radial-gradient(900px 420px at 12% -10%, rgba(79, 141, 255, 0.28), transparent 70%),
    radial-gradient(700px 380px at 92% 8%, rgba(27, 68, 114, 0.55), transparent 72%),
    var(--navy-900);
}

.ld-hero-in {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.ld-kicker {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-soft);
  margin-bottom: 14px;
}

.ld-hero h1 {
  margin: 0 0 18px;
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.16;
  font-weight: 700;
}

.ld-hero p {
  margin: 0 0 28px;
  max-width: 46ch;
  color: var(--muted);
  font-size: 17px;
}

.ld-hero-cta { display: flex; flex-wrap: wrap; gap: 14px; }

.ld-hero-note { margin: 18px 0 0; font-size: 14px; color: var(--accent-soft); }

/* mock browser card */
.ld-mock {
  position: relative;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--navy-800), var(--navy-950));
  box-shadow: var(--shadow);
  padding: 14px;
}

.ld-mock-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 12px;
}

.ld-mock-bar > span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(158, 190, 226, 0.32);
}

.ld-mock-url {
  margin-left: 10px;
  flex: 1;
  font-size: 12.5px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 5px 10px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.ld-mock-url b { color: var(--accent-soft); font-weight: 600; }

.ld-mock-body { padding: 6px 4px 4px; }

.ld-mock-hero {
  height: 148px;
  border-radius: 14px;
  background:
    radial-gradient(320px 140px at 20% 20%, rgba(142, 197, 255, 0.4), transparent 68%),
    linear-gradient(135deg, var(--navy-600), var(--navy-700));
}

.ld-mock-row { display: flex; gap: 12px; margin-top: 14px; }

.ld-mock-row i {
  flex: 1;
  height: 62px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
}

.ld-mock-row-sm i { height: 34px; opacity: 0.6; }

.ld-mock-badge {
  position: absolute;
  right: 18px;
  bottom: -14px;
  font-size: 12.5px;
  font-weight: 600;
  color: #061424;
  background: var(--ok);
  border-radius: 999px;
  padding: 6px 14px;
  box-shadow: 0 10px 24px rgba(72, 211, 159, 0.3);
}

/* ---------------------------------------------------------------- plans */
.ld-plans { padding: 92px 0; background: var(--navy-950); }

.ld-sec-head { text-align: center; max-width: 60ch; margin: 0 auto 44px; }

.ld-sec-head h2 {
  margin: 0 0 10px;
  font-size: clamp(26px, 3.4vw, 36px);
  font-weight: 700;
}

.ld-sec-head p { margin: 0; color: var(--muted); }

.ld-plan-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(268px, 1fr));
  gap: 22px;
  align-items: stretch;
}

.ld-plan-skeleton,
.ld-plan-empty {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--muted);
  padding: 34px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
}

.ld-plan-empty.err { color: #ff9c9c; }

.ld-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 26px 24px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--navy-800), var(--navy-900));
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.ld-card:hover {
  transform: translateY(-4px);
  border-color: rgba(142, 197, 255, 0.4);
  box-shadow: var(--shadow);
}

.ld-card.is-free { border-color: rgba(72, 211, 159, 0.34); }

.ld-card-flag {
  position: absolute;
  top: -11px;
  left: 24px;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 700;
  color: #061424;
  background: var(--accent-soft);
  border-radius: 999px;
  padding: 4px 11px;
}

.ld-card-name { font-size: 19px; font-weight: 700; }

.ld-card-price { display: flex; align-items: baseline; gap: 6px; }

.ld-card-price b { font-size: 34px; font-weight: 700; letter-spacing: -0.5px; }

.ld-card-price span { color: var(--muted); font-size: 14px; }

.ld-card-trial { font-size: 13px; color: var(--ok); margin-top: -8px; }

.ld-card-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }

.ld-card-list li {
  display: flex;
  gap: 9px;
  font-size: 14.5px;
  color: #d6e4f5;
}

.ld-card-list li.off { color: rgba(156, 180, 208, 0.55); }

.ld-tick {
  flex: none;
  width: 17px;
  height: 17px;
  margin-top: 3px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 11px;
  color: #061424;
  background: var(--accent-soft);
}

.ld-card-list li.off .ld-tick { background: rgba(156, 180, 208, 0.28); color: transparent; }

.ld-card-cta {
  margin-top: auto;
  width: 100%;
  cursor: pointer;
  font-family: inherit;
}

.ld-plans-foot {
  text-align: center;
  color: var(--muted);
  font-size: 14px;
  margin: 30px 0 0;
}

/* -------------------------------------------------------------- address */
.ld-address { padding: 92px 0; background: var(--navy-900); }

.ld-address-in {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 52px;
  align-items: center;
}

.ld-address h2 {
  margin: 0 0 12px;
  font-size: clamp(26px, 3.2vw, 34px);
}

.ld-address p { margin: 0 0 20px; color: var(--muted); }

.ld-address code,
.ld-ticks code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
  color: var(--accent-soft);
  background: rgba(79, 141, 255, 0.12);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1px 6px;
}

.ld-ticks { list-style: none; margin: 0; padding: 0; display: grid; gap: 11px; }

.ld-ticks li { display: flex; gap: 10px; font-size: 15px; color: #d6e4f5; }

.ld-ticks li::before {
  content: "✓";
  flex: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 12px;
  color: #061424;
  background: var(--ok);
}

.ld-address-card {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--navy-800), var(--navy-950));
  box-shadow: var(--shadow);
  padding: 24px;
  display: grid;
  gap: 12px;
}

.ld-address-label,
.ld-address-note { font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }

.ld-address-line {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 15px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
}

.ld-address-line b { color: var(--text); font-weight: 600; }

.ld-address-note { text-transform: none; letter-spacing: 0; margin-top: 4px; }

/* ---------------------------------------------------------------- footer */
.ld-footer { background: var(--navy-950); border-top: 1px solid var(--line); padding: 46px 0 26px; }

.ld-footer-in {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 26px;
}

.ld-footer-tag { margin: 8px 0 0; color: var(--muted); font-size: 14px; }

.ld-footer-nav { display: flex; flex-wrap: wrap; gap: 22px; font-size: 14.5px; color: var(--muted); }

.ld-footer-nav a:hover { color: var(--text); }

.ld-footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  padding-top: 18px;
  font-size: 13px;
  color: rgba(156, 180, 208, 0.75);
}

/* ------------------------------------------------------------- responsive */
@media (max-width: 900px) {
  .ld-hero-in,
  .ld-address-in { grid-template-columns: 1fr; gap: 40px; }
  .ld-nav { display: none; }
  .ld-hero { padding: 56px 0 76px; }
  .ld-plans, .ld-address { padding: 66px 0; }
  .ld-mock-badge { right: 12px; }
}

@media (max-width: 520px) {
  .ld-header-in { height: 60px; gap: 12px; }
  .ld-actions { gap: 10px; }
  .ld-link { display: none; }
  .ld-btn { padding: 10px 16px; font-size: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ld-btn, .ld-card { transition: none; }
}