/* ============================================================
   Ascend Solutions Limited — design tokens
   Palette: ink background, verified-green accent, restrained gold
   Type: Space Grotesk (display) + Inter (body) + JetBrains Mono (data/labels)
   ============================================================ */

:root {
  --bg:        #0B0E11;
  --bg-alt:    #12161B;
  --card:      #151A20;
  --text:      #E8E7E2;
  --muted:     #8B94A0;
  --faint:     #565F6B;
  --line:      rgba(232, 231, 226, 0.09);
  --line-2:    rgba(232, 231, 226, 0.16);
  --accent:    #35D399;
  --accent-dim: rgba(53, 211, 153, 0.14);
  --gold:      #C9A15A;

  --font-display: 'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;

  --max: 1120px;
}

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }

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

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 1px;
  flex: none;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  margin: 0;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.4rem, 5.4vw, 3.9rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: 1.15rem; font-weight: 600; }

p { color: var(--muted); margin: 0; }
p.lead { color: var(--text); font-size: 1.15rem; line-height: 1.55; }

.mono { font-family: var(--font-mono); }

/* ---------- Header / nav ---------- */

header.site {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(11, 14, 17, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  display: flex;
  align-items: baseline;
  gap: 9px;
}
.logo .mark {
  width: 9px;
  height: 9px;
  background: var(--accent);
  border-radius: 1px;
  transform: rotate(45deg);
  display: inline-block;
}
.logo .dim { color: var(--faint); font-weight: 500; font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.08em; }

nav.links {
  display: flex;
  gap: 36px;
  font-size: 0.9rem;
}
nav.links a {
  color: var(--muted);
  position: relative;
  padding: 4px 0;
  transition: color 0.15s ease;
}
nav.links a:hover, nav.links a:focus-visible { color: var(--text); }
nav.links a.active { color: var(--text); }
nav.links a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -3px;
  height: 2px;
  background: var(--accent);
}

.nav-cta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  border: 1px solid var(--line-2);
  padding: 9px 16px;
  border-radius: 3px;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.nav-cta:hover { border-color: var(--accent); color: var(--accent); }

.menu-btn {
  display: none;
  background: none;
  border: 1px solid var(--line-2);
  border-radius: 3px;
  width: 40px;
  height: 40px;
  color: var(--text);
  font-size: 1.1rem;
  cursor: pointer;
}

@media (max-width: 760px) {
  nav.links { display: none; }
  .nav-cta { display: none; }
  .menu-btn { display: block; }
  nav.links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 76px;
    left: 0; right: 0;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--line);
    padding: 20px 28px 26px;
    gap: 20px;
    font-size: 1rem;
  }
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 13px 22px;
  border-radius: 3px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
.btn-primary { background: var(--accent); color: #06110C; font-weight: 600; }
.btn-primary:hover { transform: translateY(-1px); }
.btn-ghost { border-color: var(--line-2); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Hero / scan signature ---------- */

.hero {
  padding: 96px 0 84px;
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
}

.hero h1 { margin: 18px 0 22px; }
.hero .actions { display: flex; gap: 14px; margin-top: 32px; flex-wrap: wrap; }

/* authentication badge — signature element */
.badge {
  position: relative;
  width: 100%;
  max-width: 340px;
  aspect-ratio: 1;
  margin: 0 auto;
  border: 1px solid var(--line-2);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(53,211,153,0.06), transparent 40%),
    var(--card);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.badge::before {
  /* scanning line */
  content: "";
  position: absolute;
  left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  box-shadow: 0 0 16px 2px rgba(53, 211, 153, 0.55);
  animation: scan 3.2s ease-in-out infinite;
}
@keyframes scan {
  0%   { top: 6%;  opacity: 0; }
  8%   { opacity: 1; }
  50%  { top: 94%; opacity: 1; }
  58%  { opacity: 0; }
  100% { top: 94%; opacity: 0; }
}
.badge-inner {
  text-align: center;
  z-index: 1;
}
.badge-inner .ring {
  width: 108px;
  height: 108px;
  margin: 0 auto 18px;
  border-radius: 50%;
  border: 1.5px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.badge-inner .ring::after {
  content: "";
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  border: 1px dashed var(--line-2);
}
.badge-inner svg { width: 44px; height: 44px; }
.badge-inner .code {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.12em;
  margin-top: 4px;
}
.badge-inner .status {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--faint);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 8px;
}

/* ---------- Sections ---------- */

section { padding: 84px 0; border-bottom: 1px solid var(--line); }
section:last-of-type { border-bottom: none; }
section.alt { background: var(--bg-alt); }

.section-head { max-width: 640px; margin-bottom: 48px; }
.section-head h2 { margin-top: 14px; }
.section-head p.lead { margin-top: 16px; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
@media (max-width: 820px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 28px;
}
.card .num {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 0.78rem;
  margin-bottom: 16px;
  display: block;
}
.card h3 { margin-bottom: 10px; }
.card p { font-size: 0.94rem; }

.stat-row {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}
.stat { }
.stat .n { font-family: var(--font-display); font-size: 2rem; font-weight: 600; color: var(--text); }
.stat .l { font-family: var(--font-mono); font-size: 0.72rem; color: var(--faint); letter-spacing: 0.08em; text-transform: uppercase; margin-top: 4px; }

/* ---------- App / product panel ---------- */

.product-panel {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--card);
}
@media (max-width: 860px) { .product-panel { grid-template-columns: 1fr; } }

.product-panel .visual {
  background: linear-gradient(160deg, rgba(53,211,153,0.10), transparent 60%), var(--bg-alt);
  border-right: 1px solid var(--line);
  padding: 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 18px;
}
@media (max-width: 860px) { .product-panel .visual { border-right: none; border-bottom: 1px solid var(--line); } }

.scan-list { display: flex; flex-direction: column; gap: 10px; }
.scan-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--bg);
}
.scan-row .ok { color: var(--accent); }
.scan-row .pending { color: var(--faint); }

.product-panel .content { padding: 44px; }
.product-panel .content .eyebrow { margin-bottom: 14px; }
.product-panel .content h3 { font-size: 1.5rem; margin: 6px 0 14px; font-family: var(--font-display); }
.product-panel .content p { margin-bottom: 14px; }
.product-panel .content ul { margin: 18px 0 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 10px; }
.product-panel .content li {
  font-size: 0.92rem;
  color: var(--text);
  padding-left: 20px;
  position: relative;
}
.product-panel .content li::before {
  content: "";
  position: absolute;
  left: 0; top: 8px;
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 1px;
  transform: rotate(45deg);
}

/* ---------- Process ---------- */

.process { display: flex; flex-direction: column; }
.step {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 24px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
}
.step:last-child { border-bottom: 1px solid var(--line); }
.step .idx { font-family: var(--font-mono); color: var(--accent); font-size: 0.85rem; }
.step h3 { margin-bottom: 8px; }
.step p { font-size: 0.94rem; max-width: 560px; }

/* ---------- Contact ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
@media (max-width: 760px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.contact-card .label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--faint);
}
.contact-card .value {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
}
.contact-card a.value:hover { color: var(--accent); }
.contact-card .btn { align-self: flex-start; margin-top: 6px; }

/* ---------- CTA band ---------- */

.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.cta-band h2 { max-width: 480px; }

/* ---------- Footer ---------- */

footer.site {
  padding: 40px 0;
  border-top: 1px solid var(--line);
}
.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--faint);
}
.footer-row a { color: var(--faint); }
.footer-row a:hover { color: var(--accent); }
.footer-links { display: flex; gap: 24px; }