/* ============================================================
   NexSure Tech — modern landing (dark, new-age enterprise tech)
   ============================================================ */

:root {
  --bg: #07090F;
  --bg-2: #0A0E1A;
  --surface: rgba(255, 255, 255, 0.035);
  --surface-2: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #ECF0FA;
  --muted: #8b95ad;
  --muted-2: #5f6880;

  --accent: oklch(0.66 0.19 256);
  --accent-2: oklch(0.80 0.14 210);
  --accent-soft: oklch(0.66 0.19 256 / 0.16);

  --font-display: 'Syne', Helvetica, system-ui, sans-serif;
  --font-body: 'Plus Jakarta Sans', system-ui, sans-serif;
  --font-mono: 'Space Mono', ui-monospace, monospace;

  --maxw: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }
.shell { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

/* ---------------- background field ---------------- */
.bg-field {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 80% at 50% -10%, color-mix(in oklch, var(--accent) 22%, transparent), transparent 60%),
    radial-gradient(80% 60% at 85% 0%, color-mix(in oklch, var(--accent-2) 12%, transparent), transparent 55%),
    linear-gradient(180deg, var(--bg-2), var(--bg) 70%);
}

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(120% 90% at 50% 0%, #000 30%, transparent 78%);
          mask-image: radial-gradient(120% 90% at 50% 0%, #000 30%, transparent 78%);
}

.orb {
  position: fixed;
  z-index: 0;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  pointer-events: none;
  will-change: transform;
}
.orb.a {
  width: 540px; height: 540px;
  top: -160px; left: 50%; margin-left: -420px;
  background: radial-gradient(circle, var(--accent), transparent 68%);
  animation: drift1 22s ease-in-out infinite alternate;
}
.orb.b {
  width: 460px; height: 460px;
  top: -120px; right: -120px;
  background: radial-gradient(circle, var(--accent-2), transparent 70%);
  opacity: 0.35;
  animation: drift2 28s ease-in-out infinite alternate;
}
@keyframes drift1 { to { transform: translate(120px, 60px) scale(1.1); } }
@keyframes drift2 { to { transform: translate(-90px, 80px) scale(1.08); } }

@media (prefers-reduced-motion: reduce) {
  .orb { animation: none; }
  html { scroll-behavior: auto; }
}

main, header, footer { position: relative; z-index: 1; }

/* ---------------- nav ---------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: color-mix(in oklch, var(--bg) 62%, transparent);
  border-bottom: 1px solid var(--border);
}
.nav .shell {
  display: flex;
  align-items: center;
  gap: 18px;
  height: 70px;
}
.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 9px;
}
.logo .mark {
  width: 22px; height: 22px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 18px color-mix(in oklch, var(--accent) 60%, transparent);
}
.logo b {
  color: transparent;
  background: linear-gradient(120deg, var(--accent-2), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
}
.nav-spacer { flex: 1; }

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 6px 12px;
  border-radius: 999px;
}
.status-pill .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 0 0 color-mix(in oklch, var(--accent-2) 70%, transparent);
  animation: pulse 2.4s ease-out infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 color-mix(in oklch, var(--accent-2) 60%, transparent); }
  70%  { box-shadow: 0 0 0 8px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

/* ---------------- buttons ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14.5px;
  padding: 12px 22px;
  border-radius: 10px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
  text-decoration: none;
}
.btn:hover { transform: translateY(-1px); background: var(--surface-2); }
.btn.primary {
  border-color: transparent;
  background: linear-gradient(120deg, var(--accent), color-mix(in oklch, var(--accent) 55%, var(--accent-2)));
  color: #061018;
  box-shadow: 0 10px 30px -12px color-mix(in oklch, var(--accent) 80%, transparent);
}
.btn.primary:hover { box-shadow: 0 14px 38px -12px color-mix(in oklch, var(--accent) 90%, transparent); }
.btn .arrow { transition: transform 0.18s ease; }
.btn:hover .arrow { transform: translateX(3px); }

/* ---------------- hero ---------------- */
.hero {
  min-height: calc(100vh - 70px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 90px 0 70px;
}

.hero h1 {
  font-family: Helvetica, var(--font-display);
  font-weight: 800;
  font-size: clamp(40px, 7.2vw, 86px);
  line-height: 1.05;
  letter-spacing: 1.1px;
  margin: 0 0 28px;
  text-align: left;
}
.hero h1 .grad {
  color: transparent;
  background: linear-gradient(115deg, var(--accent-2) 5%, var(--accent) 55%, color-mix(in oklch, var(--accent) 60%, #fff) 100%);
  -webkit-background-clip: text;
  background-clip: text;
}
.hero .lede {
  font-family: Arial, var(--font-body);
  font-size: clamp(16px, 1.5vw, 19px);
  color: var(--muted);
  max-width: 60ch;
  margin: 0 0 36px;
}

/* ---------------- in-place typewriter ---------------- */
#heroTitle .c { opacity: 0; position: relative; }
#heroTitle .c.on { opacity: 1; }
#heroTitle .c.g {
  background: linear-gradient(180deg, var(--accent-2), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
#heroTitle .c.cursor::after {
  content: "";
  position: absolute; right: -0.07em; top: 0.12em; bottom: 0.04em; width: 0.05em;
  background: var(--accent-2);
  box-shadow: 0 0 12px color-mix(in oklch, var(--accent-2) 70%, transparent);
  animation: caretBlink 1s steps(1) infinite;
}
@media (prefers-reduced-motion: reduce) {
  #heroTitle .c { opacity: 1; }
  #heroTitle .c.cursor::after { display: none; }
}

@keyframes caretBlink {
  0%, 50%     { opacity: 1; }
  50.01%, 100% { opacity: 0; }
}

/* ---------------- COMING SOON · spotlight scene ---------------- */
.coming {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 90px 24px 110px;
  overflow: hidden;
}

/* lamps */
.lamps { position: absolute; inset: 0 0 auto 0; height: 0; z-index: 2; pointer-events: none; }
.lamp { position: absolute; top: 0; }
.lamp .cord {
  position: absolute; left: 50%; top: 0; transform: translateX(-50%);
  width: 3px; height: var(--cord, 120px);
  background: linear-gradient(#0c0e14, #2b303d);
}
.lamp .shade {
  position: absolute; left: 50%; top: var(--cord, 120px); transform: translateX(-50%);
  width: 70px; height: 38px;
  background: linear-gradient(180deg, #353a47 0%, #1b1e27 60%, #0c0e13 100%);
  clip-path: polygon(26% 0, 74% 0, 100% 100%, 0 100%);
  border-radius: 5px 5px 3px 3px;
}
.lamp .shade::after {
  content: "";
  position: absolute; left: 6%; right: 6%; bottom: -1px; height: 5px;
  border-radius: 50%;
  background: rgba(232, 240, 255, 0.92);
  box-shadow: 0 0 16px 4px rgba(200, 222, 255, 0.7);
}
.lamp .beam {
  position: absolute; left: 50%; top: calc(var(--cord, 120px) + 34px);
  width: var(--beamw, 340px); height: var(--beamh, 540px);
  transform: translateX(-50%) rotate(var(--brot, 0deg));
  transform-origin: top center;
  clip-path: polygon(43% 0, 57% 0, 100% 100%, 0% 100%);
  background: linear-gradient(180deg, rgba(226,235,253,0.34) 0%, rgba(226,235,253,0.08) 52%, transparent 100%);
  filter: blur(7px);
  mix-blend-mode: screen;
}
.lamp.l1 { left: 23%; --cord: 64px; --brot: 13deg;  --beamw: 300px; --beamh: 560px; }
.lamp.l2 { left: 50%; --cord: 132px; --brot: 0deg;  --beamw: 350px; --beamh: 470px; }
.lamp.l3 { left: 77%; --cord: 64px; --brot: -13deg; --beamw: 300px; --beamh: 560px; }

.coming-inner { position: relative; z-index: 3; max-width: 820px; }
.coming-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px; letter-spacing: 0.22em; text-transform: uppercase;
  color: #9aa3b6; margin-bottom: 26px;
}
.coming-title {
  font-family: Helvetica, var(--font-display);
  font-weight: 800;
  font-size: clamp(72px, 14vw, 110px);
  line-height: 1.04;
  letter-spacing: 1.1px;
  margin: 0;
  color: var(--text);
}
.coming-title .grad {
  background: linear-gradient(115deg, var(--accent-2) 5%, var(--accent) 55%, color-mix(in oklch, var(--accent) 60%, #fff) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.coming-rule {
  width: min(520px, 72%); height: 3px; margin: 32px auto 30px; border-radius: 2px;
  background: linear-gradient(90deg, transparent, #cfd6e2 18%, #f1f5fb 50%, #cfd6e2 82%, transparent);
  box-shadow: 0 0 20px rgba(220, 230, 250, 0.45);
}
.coming-sub {
  font-size: clamp(15px, 1.5vw, 18px);
  color: #aab2c4;
  line-height: 1.65;
  max-width: 60ch;
  margin: 0 auto 34px;
}
.coming-cta { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; align-items: center; }

/* ---------------- footer ---------------- */
.foot {
  border-top: 1px solid var(--border);
  padding: 44px 0 50px;
}
.foot .shell { display: flex; flex-wrap: wrap; gap: 22px; align-items: center; }
.foot .f-meta { color: var(--muted-2); font-size: 12.5px; line-height: 1.6; flex: 1; min-width: 240px; }
.foot .f-links { display: flex; gap: 18px; flex-wrap: wrap; }
.foot .f-links span { font-size: 13px; color: var(--muted); cursor: default; }
.foot .f-links span::after { content: " · soon"; font-family: var(--font-mono); font-size: 9px; color: var(--muted-2); }
.foot .f-links span.now::after { content: ""; }

/* ---------------- scroll reveal ---------------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: 0.08s; }
.reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------------- responsive ---------------- */
@media (max-width: 640px) {
  .lamp.l1 { left: 18%; }
  .lamp.l3 { left: 82%; }
  .nav .shell { height: 62px; }
}

@media (max-width: 560px) {
  .hero h1 { font-size: clamp(34px, 9vw, 52px); }
}