/* =====================================================================
   Loopmerce — Coming Soon
   Design: dark-premium, aurora glow, glass, brand blue/teal/navy
   ===================================================================== */

/* ---------- Design tokens ---------- */
:root {
  --bg:            #080b12;
  --bg-elev:       #0d111c;

  --blue:          #3b7bff;
  --blue-deep:     #2260ec;
  --teal:          #19c79e;
  --cyan:          #22a9e0;
  --navy:          #1b3a5c;

  --text:          #eaf0fb;
  --text-dim:      #9aa6bd;
  --text-mute:     #66728a;

  --border:        rgba(255,255,255,.09);
  --border-strong: rgba(255,255,255,.16);
  --glass:         rgba(255,255,255,.035);
  --glass-strong:  rgba(255,255,255,.06);

  --radius:        18px;
  --radius-sm:     12px;
  --maxw:          780px;

  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-display: "Poppins", var(--font-sans);

  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
button, input { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
::selection { background: rgba(59,123,255,.35); color: #fff; }

/* ---------- Background layers ---------- */
.bg { position: fixed; inset: 0; z-index: -2; overflow: hidden; pointer-events: none; }
.bg__glow {
  position: absolute; border-radius: 50%; filter: blur(90px);
  opacity: .55; will-change: transform;
}
.bg__glow--blue {
  width: 60vw; height: 60vw; max-width: 760px; max-height: 760px;
  top: -14vw; left: -10vw;
  background: radial-gradient(circle at 30% 30%, var(--blue), transparent 62%);
  animation: drift1 22s var(--ease) infinite alternate;
}
.bg__glow--teal {
  width: 55vw; height: 55vw; max-width: 680px; max-height: 680px;
  bottom: -18vw; right: -12vw;
  background: radial-gradient(circle at 60% 60%, var(--teal), transparent 62%);
  opacity: .42;
  animation: drift2 26s var(--ease) infinite alternate;
}
.bg__glow--cyan {
  width: 40vw; height: 40vw; max-width: 480px; max-height: 480px;
  top: 40%; left: 55%;
  background: radial-gradient(circle at 50% 50%, var(--cyan), transparent 65%);
  opacity: .18;
  animation: drift3 30s var(--ease) infinite alternate;
}
/* faint dot grid */
.bg__grid {
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 30%, transparent 78%);
}
/* grain + vignette */
.bg__noise {
  position: absolute; inset: 0; opacity: .04; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.bg__vignette {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 120% 90% at 50% 0%, transparent 40%, rgba(0,0,0,.55) 100%);
}

@keyframes drift1 { to { transform: translate3d(6vw, 5vh, 0) scale(1.12); } }
@keyframes drift2 { to { transform: translate3d(-5vw, -4vh, 0) scale(1.15); } }
@keyframes drift3 { to { transform: translate3d(-8vw, 6vh, 0) scale(1.2); } }

/* ---------- Layout shell ---------- */
.shell {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: clamp(20px, 3vw, 34px);
}

/* ---------- Top bar ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
}
.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand__cube { width: 34px; height: 34px; }
.brand__name {
  font-family: var(--font-display);
  font-weight: 700; font-size: 20px; letter-spacing: -.02em; color: #fff;
}
.brand__name b { font-weight: 700; }
.tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; font-weight: 500; letter-spacing: .02em;
  color: var(--text-dim);
  padding: 7px 13px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--glass);
  backdrop-filter: blur(8px);
}
.tag .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--teal); box-shadow: 0 0 0 0 rgba(25,199,158,.7);
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(25,199,158,.55); }
  70%  { box-shadow: 0 0 0 8px rgba(25,199,158,0); }
  100% { box-shadow: 0 0 0 0 rgba(25,199,158,0); }
}

/* ---------- Hero ---------- */
.hero {
  flex: 1;
  display: flex; flex-direction: column; align-items: center; text-align: center;
  justify-content: center;
  padding: clamp(36px, 7vh, 90px) 0 clamp(28px, 5vh, 56px);
  max-width: var(--maxw); margin: 0 auto; width: 100%;
}

/* animated cube + glow */
.hero__mark { position: relative; margin-bottom: clamp(22px, 4vh, 40px); }
.hero__mark::after {
  content: ""; position: absolute; inset: -60% -60% -40%;
  background: radial-gradient(circle at 50% 45%, rgba(59,123,255,.45), rgba(25,199,158,.14) 45%, transparent 70%);
  filter: blur(26px); z-index: -1;
}
.hero__cube {
  width: clamp(96px, 16vw, 132px); height: auto;
  filter: drop-shadow(0 24px 44px rgba(0,0,0,.55));
  animation: float 7s var(--ease) infinite alternate;
}
@keyframes float { to { transform: translateY(-12px); } }

/* eyebrow */
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 12.5px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
  color: var(--text-dim);
  padding: 8px 15px; border-radius: 999px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--glass-strong), var(--glass));
  backdrop-filter: blur(8px);
  margin-bottom: 26px;
}
.eyebrow .spark {
  background: linear-gradient(90deg, var(--blue), var(--teal));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  font-weight: 800; letter-spacing: 0;
}

/* headline */
.headline {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.15rem, 6vw, 3.75rem);
  line-height: 1.06; letter-spacing: -.03em;
  margin: 0 0 20px; color: #fff;
  max-width: 15ch;
}
.headline .grad {
  background: linear-gradient(100deg, var(--blue) 10%, var(--cyan) 50%, var(--teal) 90%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.subhead {
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  color: var(--text-dim); margin: 0 auto clamp(30px, 5vh, 44px);
  max-width: 54ch;
}
.subhead b { color: var(--text); font-weight: 600; }

/* ---------- Countdown ---------- */
.countdown {
  display: inline-flex; align-items: stretch; gap: clamp(8px, 1.5vw, 14px);
  margin-bottom: clamp(30px, 5vh, 44px);
}
.cd-cell {
  min-width: clamp(64px, 12vw, 90px);
  padding: 16px 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--glass-strong), rgba(255,255,255,.015));
  backdrop-filter: blur(10px);
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  position: relative; overflow: hidden;
}
.cd-cell::before {
  content: ""; position: absolute; top: 0; left: 12%; right: 12%; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.35), transparent);
}
.cd-num {
  font-family: var(--font-display);
  font-weight: 700; font-size: clamp(1.9rem, 5vw, 2.9rem); line-height: 1;
  color: #fff; letter-spacing: -.02em;
  font-variant-numeric: tabular-nums; font-feature-settings: "tnum" 1;
}
.cd-label {
  font-size: 10.5px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase;
  color: var(--text-mute);
}
.cd-sep {
  align-self: center;
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(1.4rem, 3.5vw, 2rem); color: var(--text-mute);
  padding-bottom: 14px;
}

/* ---------- Signup ---------- */
.signup { width: 100%; max-width: 460px; }
.signup__row {
  display: flex; gap: 8px; padding: 6px;
  border: 1px solid var(--border-strong); border-radius: 999px;
  background: var(--glass); backdrop-filter: blur(10px);
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.signup__row:focus-within {
  border-color: rgba(59,123,255,.6);
  box-shadow: 0 0 0 4px rgba(59,123,255,.14);
}
.signup__input {
  flex: 1; min-width: 0; border: 0; background: transparent;
  padding: 12px 8px 12px 18px; font-size: 15px; outline: none;
}
.signup__input::placeholder { color: var(--text-mute); }
.btn {
  border: 0; cursor: pointer; white-space: nowrap;
  font-family: var(--font-display); font-weight: 600; font-size: 14.5px;
  color: #fff; padding: 12px 22px; border-radius: 999px;
  background: linear-gradient(120deg, var(--blue), var(--blue-deep));
  box-shadow: 0 8px 22px -6px rgba(34,96,236,.6), inset 0 1px 0 rgba(255,255,255,.25);
  transition: transform .18s var(--ease), box-shadow .25s var(--ease), filter .2s var(--ease);
}
.btn:hover { transform: translateY(-1px); filter: brightness(1.06); box-shadow: 0 12px 28px -6px rgba(34,96,236,.7), inset 0 1px 0 rgba(255,255,255,.25); }
.btn:active { transform: translateY(0); }
.signup__note {
  margin: 14px 0 0; font-size: 13px; color: var(--text-mute);
  display: flex; align-items: center; justify-content: center; gap: 7px;
}
.signup__success {
  margin: 4px 0 0; padding: 14px 18px; border-radius: 999px;
  border: 1px solid rgba(25,199,158,.35);
  background: rgba(25,199,158,.09); color: #b9f4e2;
  font-size: 14.5px; font-weight: 500;
  display: flex; align-items: center; justify-content: center; gap: 9px;
}
.signup__success svg { flex: none; }
[hidden] { display: none !important; }

/* ---------- Pillars ---------- */
.pillars {
  margin-top: clamp(46px, 8vh, 76px);
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 14px; width: 100%; max-width: var(--maxw);
}
.pillar {
  text-align: left; padding: 22px 20px;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: linear-gradient(180deg, var(--glass), rgba(255,255,255,.012));
  backdrop-filter: blur(8px);
  transition: transform .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease);
  position: relative; overflow: hidden;
}
.pillar::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: .0; transition: opacity .3s var(--ease);
}
.pillar:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  background: linear-gradient(180deg, var(--glass-strong), rgba(255,255,255,.02));
}
.pillar:hover::before { opacity: .9; }
.pillar__icon {
  width: 44px; height: 44px; border-radius: 12px;
  display: grid; place-items: center; margin-bottom: 16px;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 32%, transparent);
}
.pillar__icon svg { width: 22px; height: 22px; }
.pillar h3 {
  margin: 0 0 5px; font-family: var(--font-display);
  font-size: 15.5px; font-weight: 600; color: #fff; letter-spacing: -.01em;
}
.pillar p { margin: 0; font-size: 13.5px; color: var(--text-dim); line-height: 1.55; }
.pillar--support  { --accent: var(--blue); }
.pillar--shipment { --accent: var(--cyan); }
.pillar--invoice  { --accent: var(--teal); }

/* ---------- Footer ---------- */
.footer {
  display: flex; align-items: center; justify-content: space-between;
  gap: 14px; flex-wrap: wrap;
  padding-top: 26px; margin-top: clamp(32px, 6vh, 56px);
  border-top: 1px solid var(--border);
  font-size: 12.5px; color: var(--text-mute);
}
.footer__made { display: inline-flex; align-items: center; gap: 8px; }
.footer a { color: var(--text-dim); transition: color .2s var(--ease); }
.footer a:hover { color: #fff; }

/* ---------- Entrance animation ---------- */
.reveal { opacity: 0; transform: translateY(16px); animation: reveal .9s var(--ease) forwards; }
@keyframes reveal { to { opacity: 1; transform: none; } }
.d1 { animation-delay: .05s; } .d2 { animation-delay: .15s; }
.d3 { animation-delay: .25s; } .d4 { animation-delay: .35s; }
.d5 { animation-delay: .45s; } .d6 { animation-delay: .55s; }
.d7 { animation-delay: .65s; }

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
  .pillars { grid-template-columns: 1fr; max-width: 460px; }
  .tag { display: none; }
  .cd-cell { min-width: 0; flex: 1; padding: 13px 4px 10px; }
  .countdown { gap: 6px; width: 100%; max-width: 460px; }
  .cd-sep { display: none; }
}
@media (max-width: 400px) {
  .cd-label { font-size: 9px; letter-spacing: .1em; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .bg__glow, .hero__cube, .tag .dot { animation: none !important; }
  .reveal { animation: none; opacity: 1; transform: none; }
  * { scroll-behavior: auto !important; }
}