/* ==========================================================================
   Grandlink — design tokens
   ========================================================================== */
:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --bg-dark: #0a0f1e;
  --surface-dark: #121a2e;
  --surface-dark-raised: #17213a;
  --border-dark: rgba(255, 255, 255, 0.09);
  --text-dark: #eef2fa;
  --text-dark-dim: #98a2b8;

  --bg-light: #f6f8fb;
  --surface-light: #ffffff;
  --border-light: #e4e9f0;
  --text-light: #0f1626;
  --text-light-dim: #5b6577;

  --accent: #35d0f5;
  --accent-2: #7c6cff;
  --accent-ink: #06121c;
  --accent-gradient: linear-gradient(120deg, var(--accent), var(--accent-2));

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;

  --shadow-soft: 0 20px 60px -25px rgba(10, 15, 30, 0.35);
  --shadow-dark: 0 20px 60px -25px rgba(0, 0, 0, 0.6);

  --container: 1200px;
  --section-pad: clamp(4rem, 8vw, 7rem);
  --gutter: clamp(1.25rem, 5vw, 3rem);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ==========================================================================
   Reset
   ========================================================================== */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg-light);
  color: var(--text-light);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

.icon {
  width: 1em;
  height: 1em;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ==========================================================================
   Layout helpers
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--section-pad); }
.section--dark { background: var(--bg-dark); color: var(--text-dark); }
.section--light { background: var(--bg-light); color: var(--text-light); }
.section--surface { background: var(--surface-light); color: var(--text-light); }

.section-head {
  max-width: 640px;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-head--center { margin-inline: auto; text-align: center; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-gradient);
}

h2.section-title {
  font-size: clamp(1.9rem, 1.4rem + 2vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  font-weight: 700;
}

.section-desc {
  margin-top: 1rem;
  font-size: 1.0625rem;
  line-height: 1.65;
}
.section--dark .section-desc { color: var(--text-dark-dim); }
.section--light .section-desc,
.section--surface .section-desc { color: var(--text-light-dim); }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.btn--primary {
  background: var(--accent-gradient);
  color: var(--accent-ink);
  box-shadow: 0 12px 30px -12px rgba(53, 208, 245, 0.55);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 16px 36px -14px rgba(53, 208, 245, 0.65); }

.btn--ghost-dark {
  border: 1px solid var(--border-dark);
  color: var(--text-dark);
}
.btn--ghost-dark:hover { border-color: var(--accent); color: var(--accent); }

.btn--ghost-light {
  border: 1px solid var(--border-light);
  color: var(--text-light);
}
.btn--ghost-light:hover { border-color: var(--accent-2); color: var(--accent-2); }

.btn--sm { padding: 0.6rem 1.1rem; font-size: 0.875rem; }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 15, 30, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.site-header.is-scrolled {
  border-bottom-color: var(--border-dark);
  background: rgba(10, 15, 30, 0.92);
}

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

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.01em;
  color: var(--text-dark);
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--surface-dark-raised);
  border: 1px solid var(--border-dark);
  display: grid;
  place-items: center;
}
.brand-mark .icon { width: 18px; height: 18px; color: var(--accent); stroke-width: 2; }
.brand-mark-svg { width: 22px; height: 22px; display: block; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.1rem;
}
.nav-links a {
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--text-dark-dim);
  transition: color 0.2s var(--ease);
}
.nav-links a:hover { color: var(--text-dark); }

.header-actions { display: flex; align-items: center; gap: 1rem; }

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border-dark);
  align-items: center;
  justify-content: center;
  color: var(--text-dark);
}

.nav-toggle .icon { width: 20px; height: 20px; }
.nav-toggle .toggle-icon--close { display: none; }
.nav-toggle.is-active .toggle-icon--menu { display: none; }
.nav-toggle.is-active .toggle-icon--close { display: block; }

.btn .icon { width: 16px; height: 16px; }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  background: var(--bg-dark);
  color: var(--text-dark);
  overflow: hidden;
  min-height: clamp(600px, 93vh, 960px);
  display: flex;
  align-items: center;
  padding-block: clamp(5rem, 10vh, 8rem);
}

/* Full-bleed WebGL layer */
.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  opacity: 0;
  transition: opacity 1.4s var(--ease);
  z-index: 0;
}
.hero-canvas.is-ready { opacity: 1; }

/* Static gradient fallback shown until (or instead of) the scene */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: radial-gradient(80% 70% at 72% 40%, rgba(53, 208, 245, 0.12), transparent 60%),
              radial-gradient(70% 70% at 90% 85%, rgba(124, 108, 255, 0.12), transparent 60%),
              var(--bg-dark);
  pointer-events: none;
}

/* Legibility scrim over the canvas, weighted to the copy side */
.hero-scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(10, 15, 30, 0.94) 0%, rgba(10, 15, 30, 0.7) 32%, rgba(10, 15, 30, 0.2) 60%, rgba(10, 15, 30, 0) 82%),
    linear-gradient(0deg, rgba(10, 15, 30, 0.55) 0%, rgba(10, 15, 30, 0) 28%),
    linear-gradient(180deg, rgba(10, 15, 30, 0.6) 0%, rgba(10, 15, 30, 0) 22%);
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero-copy { max-width: 620px; }

.hero-copy h1 {
  font-size: clamp(2.5rem, 1.6rem + 3.4vw, 4.25rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 700;
}

.hero-copy h1 span { color: var(--accent); }

.hero-copy .section-desc {
  max-width: 46ch;
  font-size: 1.125rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.25rem;
}

/* ==========================================================================
   Positioning strip
   ========================================================================== */
.strip {
  background: var(--surface-dark);
  border-top: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
}
.strip .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-dark);
}
.strip-item {
  background: var(--surface-dark);
  color: var(--text-dark);
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.strip-item strong {
  font-size: 1.375rem;
  letter-spacing: -0.01em;
}
.strip-item span {
  font-size: 0.875rem;
  color: var(--text-dark-dim);
  line-height: 1.4;
}

/* ==========================================================================
   Architecture stack diagram
   ========================================================================== */
.stack {
  display: grid;
  gap: 0.75rem;
  max-width: 640px;
  margin: 0 auto clamp(3rem, 6vw, 4.5rem);
}
.stack-tier {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 1.4rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-dark);
  background: var(--surface-dark-raised);
}
.stack-tier .tier-index {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  border: 1px solid var(--border-dark);
  border-radius: 999px;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.stack-tier .tier-body { flex: 1; }
.stack-tier .tier-body strong { display: block; font-size: 1rem; }
.stack-tier .tier-body span { font-size: 0.85rem; color: var(--text-dark-dim); }
.stack-connector {
  width: 1px;
  height: 18px;
  margin-inline: auto;
  background: linear-gradient(var(--border-dark), var(--accent));
  opacity: 0.6;
}

/* ==========================================================================
   Layer blocks (Agents / Connect / Cloud)
   ========================================================================== */
.layer-block { padding-block: clamp(3rem, 6vw, 4.5rem); }
.layer-block + .layer-block { border-top: 1px solid var(--border-dark); }
.section--light .layer-block + .layer-block,
.section--surface .layer-block + .layer-block { border-top-color: var(--border-light); }

.layer-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.layer-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--border-dark);
  color: var(--accent);
  margin-bottom: 0.9rem;
}
.section--light .layer-tag,
.section--surface .layer-tag { border-color: var(--border-light); }

.layer-head h3 {
  font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2.1rem);
  letter-spacing: -0.01em;
  font-weight: 700;
}

.layer-head p {
  max-width: 34ch;
  font-size: 0.975rem;
  line-height: 1.55;
}
.section--dark .layer-head p { color: var(--text-dark-dim); }
.section--light .layer-head p,
.section--surface .layer-head p { color: var(--text-light-dim); }

.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.1rem;
}
.card-grid--5 { grid-template-columns: repeat(5, 1fr); }

.card {
  padding: 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-dark);
  background: var(--surface-dark-raised);
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}
.card:hover { transform: translateY(-3px); border-color: rgba(53, 208, 245, 0.4); }

.section--light .card,
.section--surface .card {
  background: var(--surface-light);
  border-color: var(--border-light);
  box-shadow: var(--shadow-soft);
}
.section--light .card:hover,
.section--surface .card:hover { border-color: rgba(124, 108, 255, 0.35); }

.card-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: rgba(53, 208, 245, 0.12);
  color: var(--accent);
}
.card-icon .icon { width: 20px; height: 20px; stroke-width: 1.75; }

.card h4 { font-size: 0.975rem; font-weight: 650; letter-spacing: -0.005em; }
.card p { font-size: 0.875rem; line-height: 1.55; }
.section--dark .card p { color: var(--text-dark-dim); }
.section--light .card p,
.section--surface .card p { color: var(--text-light-dim); }

/* ==========================================================================
   About
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}
.about-copy p + p { margin-top: 1.1rem; }
.about-copy p { font-size: 1.0625rem; line-height: 1.7; color: var(--text-light-dim); }
.about-copy strong { color: var(--text-light); }

.pillar-list { display: grid; gap: 1rem; }
.pillar {
  display: flex;
  gap: 1rem;
  padding: 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  background: var(--surface-light);
}
.pillar .card-icon { background: rgba(124, 108, 255, 0.12); color: var(--accent-2); flex-shrink: 0; }
.pillar h4 { font-size: 0.975rem; margin-bottom: 0.3rem; }
.pillar p { font-size: 0.875rem; color: var(--text-light-dim); line-height: 1.55; }

/* ==========================================================================
   Contact / CTA band
   ========================================================================== */
.cta-band {
  background: var(--bg-dark);
  color: var(--text-dark);
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(50% 80% at 50% 0%, rgba(53, 208, 245, 0.14), transparent 70%);
  pointer-events: none;
}
.cta-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.cta-inner h2 { font-size: clamp(1.9rem, 1.4rem + 2vw, 2.6rem); letter-spacing: -0.01em; }
.cta-inner .section-desc { max-width: 42ch; }

.contact-card {
  border: 1px solid var(--border-dark);
  background: var(--surface-dark);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: grid;
  gap: 1.35rem;
}
.contact-row { display: flex; gap: 0.9rem; align-items: flex-start; }
.contact-row .card-icon { background: rgba(53, 208, 245, 0.12); color: var(--accent); flex-shrink: 0; }
.contact-row h5 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dark-dim);
  margin-bottom: 0.25rem;
  font-weight: 600;
}
.contact-row p, .contact-row a { font-size: 0.975rem; line-height: 1.5; }
.contact-row a:hover { color: var(--accent); }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: #070b15;
  color: var(--text-dark-dim);
  padding-block: clamp(3rem, 6vw, 4rem) 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--border-dark);
}
.footer-brand .brand { margin-bottom: 0.9rem; }
.footer-brand p { font-size: 0.9rem; line-height: 1.6; max-width: 32ch; }
.footer-col h5 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dark);
  margin-bottom: 1rem;
  font-weight: 600;
}
.footer-col ul { display: grid; gap: 0.65rem; }
.footer-col a, .footer-col address { font-size: 0.9rem; font-style: normal; line-height: 1.6; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding-top: 1.75rem;
  font-size: 0.825rem;
}

/* ==========================================================================
   Product dashboard preview
   ========================================================================== */
.dash-wrap { max-width: 980px; margin-inline: auto; }

.dashboard {
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(120% 140% at 15% 0%, rgba(53, 208, 245, 0.12), transparent 45%),
    radial-gradient(120% 140% at 100% 100%, rgba(124, 108, 255, 0.14), transparent 45%),
    linear-gradient(180deg, #101a30, #0b1220);
  box-shadow: 0 40px 90px -40px rgba(6, 12, 24, 0.85), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  color: var(--text-dark);
  overflow: hidden;
}

.dash-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1.25rem;
  border-bottom: 1px solid var(--border-dark);
  background: rgba(255, 255, 255, 0.02);
  flex-wrap: wrap;
}
.dash-brand { display: flex; align-items: center; gap: 0.6rem; font-weight: 650; font-size: 0.95rem; }
.dash-brand-mark { width: 22px; height: 22px; display: block; }
.dash-chips { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.dash-chip {
  font-size: 0.72rem;
  color: var(--text-dark-dim);
  border: 1px solid var(--border-dark);
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
}
.dash-chip--date { color: var(--text-dark); }
.dash-status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.72rem;
  color: #7ee0a8;
  border: 1px solid rgba(126, 224, 168, 0.3);
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
}
.dash-status i {
  width: 7px; height: 7px; border-radius: 50%;
  background: #4fe08a; box-shadow: 0 0 8px #4fe08a;
}

.dash-body {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(1rem, 3vw, 2rem);
  padding: clamp(1.25rem, 3vw, 2rem);
}

.dash-gauges {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  align-content: center;
}
.gauge { position: relative; display: grid; place-items: center; }
.gauge-svg { width: 100%; max-width: 132px; height: auto; transform: rotate(0deg); }
.gauge-track { fill: none; stroke: rgba(255, 255, 255, 0.07); stroke-width: 9; }
.gauge-value {
  fill: none;
  stroke-width: 9;
  stroke-linecap: round;
  filter: drop-shadow(0 0 5px rgba(53, 208, 245, 0.45));
}
.gauge-label {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  text-align: center;
  gap: 0.1rem;
}
.gauge-label strong { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.02em; }
.gauge-label strong span { font-size: 0.85rem; color: var(--text-dark-dim); margin-left: 1px; }
.gauge-label small { font-size: 0.68rem; color: var(--text-dark-dim); text-transform: uppercase; letter-spacing: 0.06em; }

.dash-panels { display: grid; gap: 1.1rem; align-content: center; }
.dash-metric-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 0.6rem;
}
.dash-metric-head span { font-size: 0.9rem; font-weight: 600; }
.dash-metric-head strong { font-size: 1.05rem; }
.dash-metric-head .pos { color: #6fe0a0; }
.dash-metric-head .neg { color: #ff8fa3; }
.dash-rows { display: grid; gap: 0.5rem; }
.dash-rows li {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.82rem;
}
.d-dot { width: 8px; height: 8px; border-radius: 50%; }
.d-name { color: var(--text-dark-dim); }
.dash-rows em { font-style: normal; font-variant-numeric: tabular-nums; color: var(--text-dark); }
.dash-rows .d-bar {
  grid-column: 1 / -1;
  height: 5px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}
.d-bar i { display: block; height: 100%; border-radius: 3px; }
.d-green { background: #4fd08a; }
.d-green.d-dot, .d-dot.d-green { background: #4fd08a; }
.d-amber { background: #ffb45a; }
.d-red { background: #ff6f85; }

.dash-units {
  border-top: 1px solid var(--border-dark);
  padding: clamp(0.75rem, 2vw, 1.25rem) clamp(1.25rem, 3vw, 2rem) clamp(1.25rem, 3vw, 1.75rem);
}
.dash-units-row {
  display: grid;
  grid-template-columns: 1.6fr 0.5fr 0.5fr 0.5fr 2fr;
  align-items: center;
  gap: 0.75rem;
  padding: 0.55rem 0;
  font-size: 0.82rem;
  font-variant-numeric: tabular-nums;
}
.dash-units-row + .dash-units-row { border-top: 1px solid rgba(255, 255, 255, 0.05); }
.dash-units-head { color: var(--text-dark-dim); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; }
.dash-units-row .u-oee { color: var(--accent); font-weight: 600; }
.u-track {
  display: flex;
  height: 7px;
  border-radius: 4px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.06);
}
.u-track i { display: block; height: 100%; }

.dash-note {
  text-align: center;
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--text-light-dim);
}

@media (max-width: 720px) {
  .dash-body { grid-template-columns: 1fr; }
  .gauge-label strong { font-size: 1.25rem; }
  .dash-units-row { grid-template-columns: 1.4fr 0.5fr 0.5fr 0.5fr; }
  .dash-units-row span:last-child.u-track,
  .dash-units-head span:last-child { display: none; }
}

/* ==========================================================================
   Scroll reveal
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1080px) {
  .card-grid,
  .card-grid--5,
  .card-grid--7 { grid-template-columns: repeat(2, 1fr); }
  .strip .container { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1.2fr 1fr; }
}

@media (max-width: 860px) {
  .nav-links, .header-actions .btn--ghost-dark { display: none; }
  .nav-toggle { display: inline-flex; }

  .hero { min-height: 88vh; align-items: flex-end; padding-bottom: clamp(3rem, 8vh, 5rem); }
  /* On narrow screens the scene sits behind; darken more and read the copy from the bottom. */
  .hero-scrim {
    background:
      linear-gradient(0deg, rgba(10, 15, 30, 0.96) 8%, rgba(10, 15, 30, 0.72) 42%, rgba(10, 15, 30, 0.35) 70%, rgba(10, 15, 30, 0.2) 100%),
      linear-gradient(180deg, rgba(10, 15, 30, 0.7) 0%, rgba(10, 15, 30, 0) 30%);
  }

  .about-grid { grid-template-columns: 1fr; }
  .cta-inner { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .card-grid,
  .card-grid--5,
  .card-grid--7,
  .strip .container { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .layer-head { flex-direction: column; align-items: flex-start; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* Phones: switch the hero from full-bleed overlay to a clean 3D banner
   above the copy, so the scene is fully visible and text sits on solid dark. */
@media (max-width: 720px) {
  .hero {
    min-height: 0;
    height: auto;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    padding: 0;
  }
  .hero-canvas,
  .hero::before,
  .hero-scrim {
    position: relative;
    inset: auto;
    top: 0;
    width: 100%;
    height: 48vh;
    min-height: 320px;
    max-height: 480px;
  }
  .hero::before,
  .hero-scrim { position: absolute; }
  .hero-scrim {
    background: linear-gradient(180deg,
      rgba(10, 15, 30, 0.18) 0%,
      rgba(10, 15, 30, 0) 32%,
      rgba(10, 15, 30, 0.55) 80%,
      var(--bg-dark) 100%);
  }
  .hero .container {
    padding-top: 2rem;
    padding-bottom: 3.5rem;
  }
  .hero-copy { max-width: none; }
}

/* ==========================================================================
   Mobile nav panel
   ========================================================================== */
.mobile-nav {
  position: fixed;
  inset: 76px 0 0 0;
  background: rgba(10, 15, 30, 0.98);
  backdrop-filter: blur(14px);
  z-index: 90;
  padding: 2rem var(--gutter);
  display: none;
  flex-direction: column;
  gap: 1.75rem;
}
.mobile-nav.is-open { display: flex; }
.mobile-nav a {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-dark);
}
.mobile-nav .btn { align-self: flex-start; margin-top: 0.5rem; }

/* ==========================================================================
   Software console showcase (backend app shell)
   ========================================================================== */
.console-wrap { max-width: 1100px; margin-inline: auto; }

.console-shell {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.09);
  background:
    radial-gradient(120% 120% at 0% 0%, rgba(53, 208, 245, 0.12), transparent 42%),
    radial-gradient(120% 120% at 100% 100%, rgba(124, 108, 255, 0.16), transparent 45%),
    linear-gradient(180deg, #0e1830, #0a1120);
  box-shadow: 0 50px 120px -50px rgba(6, 12, 24, 0.9), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  color: var(--text-dark);
  overflow: hidden;
}

/* sidebar */
.console-side {
  border-right: 1px solid var(--border-dark);
  padding: 1.1rem 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  background: rgba(255, 255, 255, 0.015);
}
.console-side .console-brand {
  display: flex; align-items: center; gap: 0.55rem;
  font-weight: 700; font-size: 0.95rem; padding: 0.2rem 0.4rem;
}
.console-side .console-brand svg { width: 22px; height: 22px; }
.console-nav { display: grid; gap: 0.2rem; }
.console-nav-item {
  display: flex; align-items: center; gap: 0.65rem;
  padding: 0.55rem 0.65rem; border-radius: 10px;
  font-size: 0.82rem; color: var(--text-dark-dim);
}
.console-nav-item .icon { width: 17px; height: 17px; }
.console-nav-item.is-active {
  background: linear-gradient(90deg, rgba(53, 208, 245, 0.16), rgba(124, 108, 255, 0.05));
  color: var(--text-dark);
  box-shadow: inset 2px 0 0 var(--accent);
}
.console-side-foot {
  margin-top: auto;
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.6rem; border-radius: 12px;
  border: 1px solid var(--border-dark);
  font-size: 0.78rem;
}
.console-avatar {
  width: 30px; height: 30px; border-radius: 50%; flex-shrink: 0;
  background: var(--accent-gradient); display: grid; place-items: center;
  color: var(--accent-ink); font-weight: 700; font-size: 0.8rem;
}
.console-side-foot small { display: block; color: var(--text-dark-dim); font-size: 0.7rem; }

/* main */
.console-main { display: flex; flex-direction: column; min-width: 0; }
.console-topbar {
  display: flex; align-items: center; gap: 1rem;
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--border-dark);
  background: rgba(255, 255, 255, 0.02);
}
.console-crumb { font-size: 0.9rem; font-weight: 600; }
.console-crumb span { color: var(--text-dark-dim); font-weight: 500; }
.console-search {
  margin-left: auto;
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.4rem 0.8rem; border-radius: 999px;
  border: 1px solid var(--border-dark);
  color: var(--text-dark-dim); font-size: 0.78rem;
}
.console-search .icon { width: 14px; height: 14px; }
.console-body { padding: clamp(1rem, 2.5vw, 1.5rem); display: grid; gap: 1rem; }

.console-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.85rem; }
.cstat {
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.025);
  padding: 0.9rem 1rem;
  display: grid; gap: 0.35rem;
}
.cstat-label { font-size: 0.72rem; color: var(--text-dark-dim); text-transform: uppercase; letter-spacing: 0.05em; }
.cstat-value { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.cstat-value span { font-size: 0.8rem; color: var(--text-dark-dim); }
.cstat-delta { font-size: 0.72rem; font-weight: 600; }
.cstat-delta.up { color: #6fe0a0; }
.cstat-delta.down { color: #ff8fa3; }

.console-grid { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: 1rem; }

.console-panel {
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.025);
  padding: 1rem 1.1rem;
  display: flex; flex-direction: column; gap: 0.9rem;
}
.console-panel-head { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; }
.console-panel-head h5 { font-size: 0.9rem; font-weight: 650; }
.console-panel-head .tabs { display: flex; gap: 0.35rem; }
.console-panel-head .tabs span {
  font-size: 0.7rem; color: var(--text-dark-dim);
  padding: 0.25rem 0.55rem; border-radius: 999px; border: 1px solid transparent;
}
.console-panel-head .tabs span.on { color: var(--text-dark); border-color: var(--border-dark); background: rgba(255,255,255,0.04); }

.chart { position: relative; width: 100%; height: auto; }
.chart svg { width: 100%; height: auto; display: block; }
.chart-legend { display: flex; gap: 1.1rem; font-size: 0.72rem; color: var(--text-dark-dim); }
.chart-legend i { width: 9px; height: 9px; border-radius: 2px; display: inline-block; margin-right: 0.35rem; vertical-align: middle; }

.mtile { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 0.7rem; padding: 0.55rem 0; font-size: 0.8rem; }
.mtile + .mtile { border-top: 1px solid rgba(255,255,255,0.05); }
.mtile-dot { width: 9px; height: 9px; border-radius: 50%; }
.mtile-dot.run { background: #4fe08a; box-shadow: 0 0 8px #4fe08a; }
.mtile-dot.idle { background: #ffb45a; }
.mtile-dot.down { background: #ff6f85; }
.mtile-name { color: var(--text-dark); }
.mtile-name small { display: block; color: var(--text-dark-dim); font-size: 0.7rem; }
.mtile-val { font-variant-numeric: tabular-nums; color: var(--text-dark-dim); }

.afeed { display: grid; gap: 0.7rem; }
.afeed-item { display: grid; grid-template-columns: auto 1fr; gap: 0.7rem; font-size: 0.78rem; }
.afeed-ic { width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center; flex-shrink: 0; }
.afeed-ic .icon { width: 14px; height: 14px; }
.afeed-ic.warn { background: rgba(255, 180, 90, 0.14); color: #ffb45a; }
.afeed-ic.info { background: rgba(53, 208, 245, 0.14); color: var(--accent); }
.afeed-ic.ok { background: rgba(79, 208, 138, 0.14); color: #6fe0a0; }
.afeed-item p { color: var(--text-dark); line-height: 1.35; }
.afeed-item time { color: var(--text-dark-dim); font-size: 0.7rem; }

@media (max-width: 860px) {
  .console-shell { grid-template-columns: 1fr; }
  .console-side { flex-direction: row; align-items: center; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--border-dark); }
  .console-nav { grid-auto-flow: column; gap: 0.4rem; }
  .console-nav-item span:last-child { display: none; }
  .console-side-foot { display: none; }
  .console-stats { grid-template-columns: repeat(2, 1fr); }
  .console-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   Partners
   ========================================================================== */
.partner-lead {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
}
.partner-lead .trust-badge {
  display: inline-flex; align-items: baseline; gap: 0.5rem;
  font-weight: 700; letter-spacing: -0.02em;
  margin-bottom: 1rem;
}
.partner-lead .trust-badge strong {
  font-size: clamp(2.5rem, 1.8rem + 3vw, 3.6rem);
  background: var(--accent-gradient);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.partner-lead .trust-badge span { font-size: 1.05rem; color: var(--text-dark-dim); }

/* world map */
.world-map { position: relative; }
.world-map svg { width: 100%; height: auto; display: block; }
.map-land { fill: rgba(255, 255, 255, 0.06); stroke: rgba(255,255,255,0.08); stroke-width: 0.4; }
.map-dot { fill: var(--accent); }
.map-pulse { fill: var(--accent); transform-origin: center; animation: mapPulse 2.6s ease-out infinite; }
.map-dot.v, .map-pulse.v { fill: var(--accent-2); }
@keyframes mapPulse {
  0% { transform: scale(0.6); opacity: 0.7; }
  70% { transform: scale(3.4); opacity: 0; }
  100% { opacity: 0; }
}
@media (prefers-reduced-motion: reduce) { .map-pulse { animation: none; opacity: 0; } }

/* logo wall */
.logo-wall {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  background: var(--border-dark);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
}
.logo-wall .lw {
  background: var(--surface-dark);
  display: grid; place-items: center;
  padding: 1.25rem 1rem;
  color: var(--text-dark-dim);
  transition: color 0.3s var(--ease), background 0.3s var(--ease);
}
.logo-wall .lw:hover { color: var(--text-dark); background: var(--surface-dark-raised); }
.logo-wall .lw svg { width: 100%; max-width: 118px; height: 30px; }

/* get / expect columns */
.partner-cols {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.1rem;
  margin-bottom: 1.1rem;
}
.partner-card {
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  background: var(--surface-dark-raised);
  padding: clamp(1.5rem, 3vw, 2rem);
}
.partner-card h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 1.25rem; letter-spacing: -0.01em; }
.partner-list { display: grid; gap: 0.85rem; }
.partner-list li { display: grid; grid-template-columns: auto 1fr; gap: 0.7rem; align-items: start; font-size: 0.95rem; line-height: 1.45; }
.partner-list li .tick {
  width: 22px; height: 22px; border-radius: 6px; flex-shrink: 0;
  display: grid; place-items: center; margin-top: 1px;
  background: rgba(53, 208, 245, 0.14); color: var(--accent);
}
.partner-list li .tick .icon { width: 13px; height: 13px; stroke-width: 2.4; }
.partner-card--expect .tick { background: rgba(124, 108, 255, 0.16); color: var(--accent-2); }
.partner-list li strong { display: block; font-weight: 650; }
.partner-list li span { color: var(--text-dark-dim); font-size: 0.85rem; }

/* profit banner */
.profit-banner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-dark);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 1.5rem;
}
.profit-cell {
  background: linear-gradient(180deg, rgba(53,208,245,0.06), rgba(124,108,255,0.05));
  padding: clamp(1.5rem, 3vw, 2.1rem);
  display: flex; flex-direction: column; gap: 0.4rem;
}
.profit-cell strong { font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2.1rem); font-weight: 700; letter-spacing: -0.02em; }
.profit-cell strong em { font-style: normal; background: var(--accent-gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
.profit-cell span { font-size: 0.9rem; color: var(--text-dark-dim); line-height: 1.5; }

.partner-foot {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 1rem;
}
.partner-foot .fine { font-size: 0.8rem; color: var(--text-dark-dim); max-width: 46ch; }

@media (max-width: 860px) {
  .partner-lead { grid-template-columns: 1fr; }
  .logo-wall { grid-template-columns: repeat(3, 1fr); }
  .partner-cols { grid-template-columns: 1fr; }
  .profit-banner { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .logo-wall { grid-template-columns: repeat(2, 1fr); }
}