/* ================================================================
   LUMEN LANDING — Nothing OS visual language
   ================================================================ */

:root {
  --bg-0       : #020504;
  --bg-1       : #06110f;
  --bg-2       : #0d1f1b;
  --bg-3       : #142621;
  --text       : #d9fff7;
  --text-dim   : rgba(217,255,247,.62);
  --text-mute  : rgba(217,255,247,.32);
  --accent     : #41f0db;
  --accent-bg  : rgba(65,240,219,.08);
  --accent-bd  : rgba(65,240,219,.22);
  --accent-hi  : rgba(65,240,219,.45);
  --warn       : #f0a541;
  --err        : #f05441;
  --dot        : rgba(65,240,219,.10);
  --r          : 6px;
  --r-sm       : 3px;
  --r-lg       : 10px;
  --mono       : "Space Mono","IBM Plex Mono",ui-monospace,monospace;
  --sans       : "Space Grotesk","Inter",system-ui,sans-serif;
  --maxw       : 1180px;
  --pad        : clamp(16px, 3vw, 32px);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--bg-0);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  background-image:
    radial-gradient(circle at 20% 0%, rgba(65,240,219,.06), transparent 40%),
    radial-gradient(circle at 80% 60%, rgba(65,240,219,.04), transparent 50%);
  background-attachment: fixed;
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }

::selection { background: var(--accent); color: var(--bg-0); }

::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: var(--bg-0); }
::-webkit-scrollbar-thumb { background: var(--accent-bd); }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ───────── HEADER ───────── */
.hdr {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
  padding: 14px var(--pad);
  background: rgba(2,5,4,.78);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--accent-bd);
}

.logo {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono);
  font-weight: 700;
  letter-spacing: .18em;
  font-size: 14px;
  color: var(--text);
}
.logo-mark {
  width: 28px; height: 28px;
  display: block;
  object-fit: contain;
  filter: drop-shadow(0 0 6px rgba(65,240,219,.35));
}
.logo-word { color: var(--text); }

.ftr-logo img {
  width: 22px; height: 22px;
  display: inline-block;
  vertical-align: middle;
  margin-right: 6px;
  object-fit: contain;
}

.hdr-nav {
  display: flex; gap: 28px;
  font-family: var(--mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.hdr-nav a { color: var(--text-dim); transition: color .12s; }
.hdr-nav a:hover { color: var(--accent); }
@media (max-width: 720px) { .hdr-nav { display: none; } }

/* ───────── BUTTONS ───────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 18px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  border-radius: var(--r);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color .15s ease, border-color .15s, color .15s, transform .15s;
  white-space: nowrap;
}
.btn .arr { font-size: 16px; line-height: 1; transition: transform .18s; }
.btn:hover .arr { transform: translateX(4px); }
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--accent);
  color: var(--bg-0);
  border-color: var(--accent);
}
.btn-primary:hover {
  background: transparent;
  color: var(--accent);
}

.btn-ghost {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent-bd);
}
.btn-ghost:hover {
  border-color: var(--accent);
  background: var(--accent-bg);
}

.btn-lg {
  padding: 16px 26px;
  font-size: 13px;
  letter-spacing: .14em;
}
.hdr-cta { padding: 10px 16px; }
@media (max-width: 480px) {
  .hdr-cta { padding: 8px 12px; font-size: 11px; }
  .hdr-cta .arr { display: none; }
}

/* ───────── HERO ───────── */
.hero {
  position: relative;
  padding: clamp(44px, 8vw, 96px) var(--pad) clamp(40px, 6vw, 72px);
  overflow: hidden;
}

.hero-grid {
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle, var(--dot) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 30%, transparent 75%);
  pointer-events: none;
  opacity: .6;
}

.hero-inner {
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto;
}

.status-pill {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 7px 14px 7px 12px;
  border: 1px solid var(--accent-bd);
  border-radius: 999px;
  background: var(--accent-bg);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--accent);
  margin-bottom: 32px;
}
.status-pill .dot {
  width: 7px; height: 7px;
  background: var(--accent);
  border-radius: 999px;
  box-shadow: 0 0 8px var(--accent);
  animation: blink 2s step-end infinite;
}
@keyframes blink { 0%,100% { opacity: 1 } 50% { opacity: .35 } }

.hero-h1 {
  font-family: var(--mono);
  font-weight: 700;
  font-size: clamp(40px, 7.5vw, 92px);
  line-height: 1.02;
  letter-spacing: -.01em;
  color: var(--text);
  margin-bottom: 26px;
  text-wrap: balance;
}
.hero-h1 .accent { color: var(--accent); }

.hero-sub {
  font-size: clamp(15px, 1.6vw, 19px);
  color: var(--text-dim);
  max-width: 620px;
  margin-bottom: 40px;
  line-height: 1.6;
}

.hero-ctas {
  display: flex; flex-wrap: wrap; gap: 14px;
  margin-bottom: 64px;
}

.hero-trust {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  padding-top: 32px;
  border-top: 1px dashed var(--accent-bd);
}
.hero-trust > div {
  display: flex; flex-direction: column; gap: 4px;
}
.hero-trust b {
  font-family: var(--mono);
  font-size: clamp(18px, 2.2vw, 24px);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -.01em;
}
.hero-trust span {
  font-family: var(--mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--text-mute);
}
@media (max-width: 720px) {
  .hero-trust { grid-template-columns: repeat(2, 1fr); gap: 20px 16px; }
}

/* ───────── SECTION SHELL ───────── */
.section {
  position: relative;
  padding: clamp(40px, 6vw, 72px) var(--pad);
  max-width: var(--maxw);
  margin: 0 auto;
}

.section-label {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .22em;
  color: var(--accent);
  margin-bottom: 18px;
}

.section-h2 {
  font-family: var(--mono);
  font-weight: 700;
  font-size: clamp(28px, 4.5vw, 52px);
  line-height: 1.08;
  letter-spacing: -.01em;
  color: var(--text);
  margin-bottom: 18px;
  text-wrap: balance;
  max-width: 760px;
}

.section-sub {
  font-size: clamp(15px, 1.5vw, 18px);
  color: var(--text-dim);
  max-width: 600px;
  margin-bottom: 28px;
}

/* ───────── FEATURES ───────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 28px;
}
@media (max-width: 920px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .features-grid { grid-template-columns: 1fr; } }

.feat-card {
  position: relative;
  padding: 26px 24px 28px;
  background:
    radial-gradient(circle, var(--dot) 1px, transparent 1px) 0 0 / 18px 18px,
    var(--bg-1);
  border: 1px solid var(--accent-bd);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: border-color .18s, transform .18s, background-color .18s;
}
.feat-card::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: .65;
}
.feat-card:hover {
  border-color: var(--accent-hi);
  transform: translateY(-2px);
}

.feat-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--accent);
  margin-bottom: 18px;
}
.feat-card h3 {
  font-family: var(--mono);
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  letter-spacing: -.005em;
}
.feat-card p {
  font-size: 14.5px;
  color: var(--text-dim);
  line-height: 1.65;
}

/* ───────── STRIP / STATS ───────── */
.strip {
  position: relative;
  padding: clamp(40px, 6vw, 64px) var(--pad);
  border-top: 1px solid var(--accent-bd);
  border-bottom: 1px solid var(--accent-bd);
  overflow: hidden;
}
.strip-grid {
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(
    90deg, transparent 0 119px, var(--accent-bd) 119px 120px
  );
  opacity: .35; pointer-events: none;
}
.strip-inner {
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.strip-item { display: flex; flex-direction: column; gap: 6px; }
.strip-item b {
  font-family: var(--mono);
  font-weight: 700;
  font-size: clamp(28px, 4vw, 44px);
  color: var(--accent);
  letter-spacing: -.01em;
  font-variant-numeric: tabular-nums;
}
.strip-item span {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--text-mute);
}
@media (max-width: 720px) {
  .strip-inner { grid-template-columns: 1fr; gap: 22px; }
}

/* ───────── PRICING ───────── */
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 22px;
}
@media (max-width: 820px) { .price-grid { grid-template-columns: 1fr; } }

.price {
  position: relative;
  padding: 32px 28px;
  background:
    radial-gradient(circle, var(--dot) 1px, transparent 1px) 0 0 / 18px 18px,
    var(--bg-1);
  border: 1px solid var(--accent-bd);
  border-radius: var(--r-lg);
  display: flex; flex-direction: column;
  transition: border-color .18s, transform .18s;
}
.price:hover { border-color: var(--accent-hi); transform: translateY(-2px); }

.price.popular {
  border-color: var(--accent);
  background:
    linear-gradient(180deg, var(--accent-bg), transparent 50%),
    radial-gradient(circle, var(--dot) 1px, transparent 1px) 0 0 / 18px 18px,
    var(--bg-1);
}
.price-badge {
  position: absolute; top: -10px; right: 16px;
  padding: 3px 10px;
  background: var(--accent);
  color: var(--bg-0);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .14em;
  border-radius: var(--r-sm);
}

.price-name {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .18em;
  color: var(--accent);
  margin-bottom: 10px;
}

.price-amount {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 48px;
  line-height: 1;
  color: var(--text);
  letter-spacing: -.02em;
  display: flex; align-items: baseline; gap: 6px;
  margin-bottom: 6px;
}
.price-amount .cur {
  font-size: 22px;
  color: var(--text-dim);
  font-weight: 400;
}
.price-period {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--text-mute);
  margin-bottom: 24px;
}
.price-month-eq {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  margin-bottom: 24px;
  letter-spacing: .04em;
}

.price ul {
  list-style: none;
  margin: 0 0 28px;
  display: flex; flex-direction: column; gap: 10px;
  font-size: 14px;
  color: var(--text-dim);
}
.price ul li {
  display: flex; align-items: flex-start; gap: 10px;
  line-height: 1.45;
}
.price ul li::before {
  content: "+";
  color: var(--accent);
  font-family: var(--mono);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.price .btn { width: 100%; justify-content: center; margin-top: auto; }

/* placeholder card when tiers JSON is empty */
.price-grid-empty { grid-template-columns: 1fr !important; }
.price-cta-card {
  padding: 48px 36px;
  background:
    radial-gradient(circle, var(--dot) 1px, transparent 1px) 0 0 / 18px 18px,
    var(--bg-1);
  border: 1px solid var(--accent-bd);
  border-radius: var(--r-lg);
  text-align: center;
  position: relative;
}
.price-cta-card::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: .7;
}
.price-cta-card .price-name { margin-bottom: 18px; }
.price-cta-card h3 {
  font-family: var(--mono);
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 14px;
  letter-spacing: -.005em;
  max-width: 540px;
  margin-left: auto; margin-right: auto;
}
.price-cta-card p {
  color: var(--text-dim);
  font-size: 15px;
  margin-bottom: 28px;
  max-width: 520px;
  margin-left: auto; margin-right: auto;
  line-height: 1.6;
}
.price-cta-card .btn { display: inline-flex; }

.price-foot {
  margin-top: 24px;
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-mute);
  text-align: center;
}

/* ───────── FAQ ───────── */
.faq { margin-top: 22px; display: flex; flex-direction: column; gap: 6px; }

.faq details {
  border: 1px solid var(--accent-bd);
  border-radius: var(--r);
  background: var(--bg-1);
  overflow: hidden;
  transition: border-color .15s;
}
.faq details[open] { border-color: var(--accent-hi); }
.faq summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 22px;
  font-family: var(--mono);
  font-size: 14.5px;
  font-weight: 700;
  color: var(--text);
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  transition: color .15s;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  font-size: 22px;
  color: var(--accent);
  transition: transform .2s;
  line-height: 1;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq summary:hover { color: var(--accent); }
.faq p {
  padding: 0 22px 20px;
  color: var(--text-dim);
  font-size: 14.5px;
  line-height: 1.65;
}

/* ───────── BIG CTA ───────── */
.bigcta {
  position: relative;
  text-align: center;
  padding: clamp(48px, 8vw, 84px) var(--pad);
  overflow: hidden;
}
.bigcta-grid {
  position: absolute; inset: 0;
  background-image: radial-gradient(circle, var(--dot) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: radial-gradient(ellipse 60% 70% at 50% 50%, #000 20%, transparent 75%);
  pointer-events: none;
  opacity: .8;
}
.bigcta h2 {
  position: relative;
  font-family: var(--mono);
  font-weight: 700;
  font-size: clamp(28px, 5vw, 56px);
  line-height: 1.08;
  color: var(--text);
  margin-bottom: 14px;
  letter-spacing: -.01em;
  text-wrap: balance;
}
.bigcta p {
  position: relative;
  font-size: clamp(15px, 1.5vw, 18px);
  color: var(--text-dim);
  margin-bottom: 36px;
}
.bigcta .btn { position: relative; }

/* ───────── FOOTER ───────── */
.ftr {
  padding: 40px var(--pad) 24px;
  border-top: 1px solid var(--accent-bd);
  background: var(--bg-1);
}
.ftr-cols {
  max-width: var(--maxw);
  margin: 0 auto 28px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
}
@media (max-width: 720px) {
  .ftr-cols { grid-template-columns: 1fr 1fr; }
}

.ftr-logo {
  font-family: var(--mono);
  font-weight: 700;
  letter-spacing: .18em;
  font-size: 15px;
  color: var(--text);
  margin-bottom: 8px;
}
.ftr-logo span { color: var(--accent); }
.ftr-tag {
  font-size: 13px;
  color: var(--text-dim);
  max-width: 280px;
}

.ftr h4 {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--accent);
  margin-bottom: 14px;
}
.ftr a {
  display: block;
  font-size: 13.5px;
  color: var(--text-dim);
  margin-bottom: 8px;
  transition: color .12s;
}
.ftr a:hover { color: var(--accent); }

.ftr-bot {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid var(--accent-bd);
  display: flex; align-items: center; justify-content: space-between;
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--text-mute);
  gap: 16px;
  flex-wrap: wrap;
}
.ftr-status { display: inline-flex; align-items: center; gap: 8px; }
.ftr-status .dot {
  width: 7px; height: 7px;
  background: var(--accent);
  border-radius: 999px;
  box-shadow: 0 0 8px var(--accent);
  animation: blink 2s step-end infinite;
}