/* ============================================================
   Smart Tech Resources – Home V2
   Dark Futuristic / Enterprise Cyberpunk
   ============================================================ */

:root {
  /* Backgrounds */
  --bg-void:        #06070D;
  --bg-base:        #0A0B14;
  --bg-raised:      #10121E;
  --bg-elevated:    #161827;
  --bg-overlay:     #1C1F33;

  /* Glass overlays */
  --glass-subtle:   rgba(255, 255, 255, 0.03);
  --glass-standard: rgba(255, 255, 255, 0.05);
  --glass-featured: rgba(255, 255, 255, 0.07);
  --glass-tint-blue: rgba(0, 209, 255, 0.04);

  /* Borders */
  --border-hairline:    rgba(255, 255, 255, 0.06);
  --border-soft:        rgba(255, 255, 255, 0.10);
  --border-glow:        rgba(0, 209, 255, 0.45);
  --border-glow-violet: rgba(155, 92, 255, 0.40);

  /* Accents */
  --accent-cyan:        #00D1FF;
  --accent-cyan-bright: #5CE7FF;
  --accent-cyan-deep:   #0070EB;
  --accent-violet:      #9B5CFF;
  --accent-violet-deep: #5B2BCB;
  --accent-magenta:     #FF3DAD;

  /* Semantic */
  --signal-success: #2EE6A6;
  --signal-warning: #FFB547;
  --signal-error:   #FF5470;

  /* Text on dark */
  --fg-primary:    #F2F5FA;
  --fg-secondary:  #C9CEDC;
  --fg-tertiary:   #8A91A6;
  --fg-quaternary: #5A6075;
  --fg-mono:       #7FE9FF;

  /* Glow shadows */
  --glow-cyan-sm:  0 0 0 1px rgba(0,209,255,0.20),
                   0 0 20px -4px rgba(0,209,255,0.35);
  --glow-cyan-md:  0 0 0 1px rgba(0,209,255,0.35),
                   0 0 40px -8px rgba(0,209,255,0.55),
                   0 8px 32px -8px rgba(0,0,0,0.6);
  --glow-violet-md: 0 0 0 1px rgba(155,92,255,0.30),
                    0 0 40px -8px rgba(155,92,255,0.45);
  --shadow-flat:   0 1px 0 0 rgba(255,255,255,0.04) inset,
                   0 12px 32px -16px rgba(0,0,0,0.7);

  /* Easings */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-expo:  cubic-bezier(0.7, 0, 0.84, 0);
  --ease-ui:       cubic-bezier(0.4, 0, 0.2, 1);
}

:root[data-theme="day"] {
  color-scheme: light;
  --bg-void:        #E9EEF5;
  --bg-base:        #F6F8FB;
  --bg-raised:      #FFFFFF;
  --bg-elevated:    #EEF3F8;
  --bg-overlay:     rgba(255, 255, 255, 0.94);
  --glass-subtle:   rgba(255, 255, 255, 0.68);
  --glass-standard: rgba(255, 255, 255, 0.78);
  --glass-featured: rgba(255, 255, 255, 0.88);
  --glass-tint-blue: rgba(0, 72, 150, 0.08);
  --border-hairline:    rgba(20, 35, 54, 0.10);
  --border-soft:        rgba(20, 35, 54, 0.16);
  --border-glow:        rgba(0, 72, 150, 0.38);
  --border-glow-violet: rgba(99, 74, 202, 0.28);
  --accent-cyan:        #004896;
  --accent-cyan-bright: #0069B8;
  --accent-cyan-deep:   #00376F;
  --accent-violet:      #635BFF;
  --accent-violet-deep: #3B31B8;
  --accent-magenta:     #C23B82;
  --signal-success: #0B9E6D;
  --signal-warning: #B87500;
  --signal-error:   #C73650;
  --fg-primary:    #172033;
  --fg-secondary:  #3D485C;
  --fg-tertiary:   #647086;
  --fg-quaternary: #8A95A8;
  --fg-mono:       #004F9F;
  --glow-cyan-sm:  0 0 0 1px rgba(0,72,150,0.18),
                   0 12px 28px -20px rgba(0,58,122,0.46);
  --glow-cyan-md:  0 0 0 1px rgba(0,72,150,0.24),
                   0 20px 48px -28px rgba(0,58,122,0.56);
  --glow-violet-md: 0 0 0 1px rgba(99,91,255,0.18),
                    0 20px 48px -30px rgba(99,91,255,0.38);
  --shadow-flat:   0 1px 0 0 rgba(255,255,255,0.9) inset,
                   0 18px 38px -30px rgba(31,45,61,0.45);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="night"]) {
    color-scheme: light;
    --bg-void:        #E9EEF5;
    --bg-base:        #F6F8FB;
    --bg-raised:      #FFFFFF;
    --bg-elevated:    #EEF3F8;
    --bg-overlay:     rgba(255, 255, 255, 0.94);
    --glass-subtle:   rgba(255, 255, 255, 0.68);
    --glass-standard: rgba(255, 255, 255, 0.78);
    --glass-featured: rgba(255, 255, 255, 0.88);
    --glass-tint-blue: rgba(0, 72, 150, 0.08);
    --border-hairline:    rgba(20, 35, 54, 0.10);
    --border-soft:        rgba(20, 35, 54, 0.16);
    --border-glow:        rgba(0, 72, 150, 0.38);
    --border-glow-violet: rgba(99, 74, 202, 0.28);
    --accent-cyan:        #004896;
    --accent-cyan-bright: #0069B8;
    --accent-cyan-deep:   #00376F;
    --accent-violet:      #635BFF;
    --accent-violet-deep: #3B31B8;
    --accent-magenta:     #C23B82;
    --signal-success: #0B9E6D;
    --signal-warning: #B87500;
    --signal-error:   #C73650;
    --fg-primary:    #172033;
    --fg-secondary:  #3D485C;
    --fg-tertiary:   #647086;
    --fg-quaternary: #8A95A8;
    --fg-mono:       #004F9F;
    --glow-cyan-sm:  0 0 0 1px rgba(0,72,150,0.18),
                     0 12px 28px -20px rgba(0,58,122,0.46);
    --glow-cyan-md:  0 0 0 1px rgba(0,72,150,0.24),
                     0 20px 48px -28px rgba(0,58,122,0.56);
    --glow-violet-md: 0 0 0 1px rgba(99,91,255,0.18),
                      0 20px 48px -30px rgba(99,91,255,0.38);
    --shadow-flat:   0 1px 0 0 rgba(255,255,255,0.9) inset,
                     0 18px 38px -30px rgba(31,45,61,0.45);
  }
}

html, body { background: var(--bg-base); }
body { color: var(--fg-secondary); }

::selection { background: var(--accent-cyan); color: #000; }

:root[data-theme="day"] body,
:root[data-theme="day"] .bg-bg-base,
:root[data-theme="day"] .bg-bg-raised,
:root[data-theme="day"] .bg-bg-elevated,
:root[data-theme="day"] .bg-bg-void {
  background-color: var(--bg-base) !important;
}
:root[data-theme="day"] .bg-bg-raised { background-color: var(--bg-raised) !important; }
:root[data-theme="day"] .bg-bg-elevated { background-color: var(--bg-elevated) !important; }
:root[data-theme="day"] .bg-bg-void { background-color: var(--bg-void) !important; }
:root[data-theme="day"] .text-fg-primary { color: var(--fg-primary) !important; }
:root[data-theme="day"] .text-fg-secondary { color: var(--fg-secondary) !important; }
:root[data-theme="day"] .text-fg-tertiary { color: var(--fg-tertiary) !important; }
:root[data-theme="day"] .text-fg-mono,
:root[data-theme="day"] .eyebrow {
  color: var(--accent-cyan) !important;
}
:root[data-theme="day"] .eyebrow::before {
  background: var(--accent-cyan) !important;
}
:root[data-theme="day"] .btn-cyan,
:root[data-theme="day"] .str-header__cta,
:root[data-theme="day"] .str-header__menu-cta,
:root[data-theme="day"] .btn-submit {
  color: #fff !important;
}
:root[data-theme="day"] .client-name {
  color: var(--fg-primary) !important;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="night"]) body,
  :root:not([data-theme="night"]) .bg-bg-base,
  :root:not([data-theme="night"]) .bg-bg-raised,
  :root:not([data-theme="night"]) .bg-bg-elevated,
  :root:not([data-theme="night"]) .bg-bg-void {
    background-color: var(--bg-base) !important;
  }
  :root:not([data-theme="night"]) .bg-bg-raised { background-color: var(--bg-raised) !important; }
  :root:not([data-theme="night"]) .bg-bg-elevated { background-color: var(--bg-elevated) !important; }
  :root:not([data-theme="night"]) .bg-bg-void { background-color: var(--bg-void) !important; }
  :root:not([data-theme="night"]) .text-fg-primary { color: var(--fg-primary) !important; }
  :root:not([data-theme="night"]) .text-fg-secondary { color: var(--fg-secondary) !important; }
  :root:not([data-theme="night"]) .text-fg-tertiary { color: var(--fg-tertiary) !important; }
  :root:not([data-theme="night"]) .text-fg-mono,
  :root:not([data-theme="night"]) .eyebrow {
    color: var(--accent-cyan) !important;
  }
  :root:not([data-theme="night"]) .eyebrow::before {
    background: var(--accent-cyan) !important;
  }
  :root:not([data-theme="night"]) .btn-cyan,
  :root:not([data-theme="night"]) .str-header__cta,
  :root:not([data-theme="night"]) .str-header__menu-cta,
  :root:not([data-theme="night"]) .btn-submit {
    color: #fff !important;
  }
  :root:not([data-theme="night"]) .client-name {
    color: var(--fg-primary) !important;
  }
}

/* ============================================================
   Typography helpers
   ============================================================ */
.display-hero {
  font-family: metropolis, "Helvetica Neue", Arial, sans-serif;
  font-size: clamp(56px, 8.5vw, 96px);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.035em;
}
.display-section {
  font-family: metropolis, "Helvetica Neue", Arial, sans-serif;
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.025em;
}
.text-gradient-headline {
  background: linear-gradient(180deg, #FFFFFF 0%, #C9CEDC 55%, #7FE9FF 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
:root[data-theme="day"] .text-gradient-headline {
  background: linear-gradient(180deg, #101828 0%, #1F2E46 54%, #004896 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="night"]) .text-gradient-headline {
    background: linear-gradient(180deg, #101828 0%, #1F2E46 54%, #004896 100%);
    -webkit-background-clip: text; background-clip: text; color: transparent;
  }
}
.text-gradient-accent {
  background: linear-gradient(135deg, #00D1FF 0%, #5CE7FF 40%, #9B5CFF 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
:root[data-theme="day"] .text-gradient-accent {
  background: linear-gradient(135deg, #004896 0%, #0069B8 46%, #3B31B8 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="night"]) .text-gradient-accent {
    background: linear-gradient(135deg, #004896 0%, #0069B8 46%, #3B31B8 100%);
    -webkit-background-clip: text; background-clip: text; color: transparent;
  }
}
.eyebrow {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px; line-height: 1.4; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--fg-mono);
  display: inline-flex; align-items: center; gap: 12px;
}
.eyebrow::before {
  content:""; display:inline-block; width: 24px; height: 1px;
  background: var(--accent-cyan);
}
.mono { font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace; }

/* ============================================================
   Glass utilities
   ============================================================ */
.glass-subtle, .glass-standard, .glass-featured {
  position: relative;
  border-radius: 16px;
  box-shadow: var(--shadow-flat);
  transition: transform 320ms var(--ease-out-expo),
              box-shadow 320ms ease,
              border-color 200ms ease;
}
.glass-subtle {
  background: var(--glass-subtle);
  border: 1px solid var(--border-hairline);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  backdrop-filter: blur(12px) saturate(140%);
}
.glass-standard {
  background: var(--glass-standard);
  border: 1px solid var(--border-hairline);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  backdrop-filter: blur(20px) saturate(160%);
}
.glass-featured {
  background: var(--glass-featured);
  border: 1px solid var(--border-soft);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  backdrop-filter: blur(28px) saturate(180%);
}
.glass-subtle::before,
.glass-standard::before,
.glass-featured::before {
  content:""; position:absolute; inset:0; border-radius:inherit;
  pointer-events:none;
  background: linear-gradient(180deg, rgba(255,255,255,0.10), transparent 30%);
  mix-blend-mode: overlay;
}
.glass-standard:hover, .glass-featured:hover {
  border-color: var(--border-glow);
  box-shadow: var(--glow-cyan-md);
  transform: translateY(-2px);
}
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .glass-subtle, .glass-standard, .glass-featured { background: var(--bg-elevated); }
}

/* Featured card top hairline accent */
.glass-featured-accent::after {
  content:""; position:absolute; left:0; right:0; top:0; height:1px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-violet));
  border-top-left-radius: inherit; border-top-right-radius: inherit;
  pointer-events: none;
}

/* ============================================================
   Focus
   ============================================================ */
a:focus-visible, button:focus-visible, input:focus-visible,
select:focus-visible, textarea:focus-visible, summary:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ============================================================
   Header
   ============================================================ */
.str-header {
  position: sticky; top: 0; z-index: 50; width: 100%;
  background: rgba(10, 11, 20, 0.65);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--border-hairline);
  transition: background 200ms ease;
}
.str-header.is-scrolled { background: rgba(10, 11, 20, 0.85); }
:root[data-theme="night"] .str-header { background: rgba(10, 11, 20, 0.65); }
:root[data-theme="night"] .str-header.is-scrolled { background: rgba(10, 11, 20, 0.85); }
:root[data-theme="day"] .str-header { background: rgba(246, 248, 251, 0.78); }
:root[data-theme="day"] .str-header.is-scrolled { background: rgba(246, 248, 251, 0.92); }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="night"]) .str-header { background: rgba(246, 248, 251, 0.78); }
  :root:not([data-theme="night"]) .str-header.is-scrolled { background: rgba(246, 248, 251, 0.92); }
}
.str-header__inner {
  max-width: 1280px; margin: 0 auto; height: 72px;
  padding: 0 16px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.str-header__brand {
  font-family: "Hanken Grotesk", "Helvetica Neue", Arial, sans-serif;
  font-size: 18px; font-weight: 700; color: var(--fg-primary);
  text-decoration: none; white-space: nowrap; letter-spacing: -0.01em;
  display: inline-flex; align-items: center; gap: 12px;
}
.str-header__logo {
  height: 34px; width: auto; display: block;
  filter: drop-shadow(0 0 6px rgba(0, 209, 255, 0.25));
}
@media (max-width: 480px) {
  .str-header__brand { font-size: 16px; gap: 10px; }
  .str-header__logo { height: 28px; }
}
.str-header__nav { display: none; align-items: center; gap: 28px; }
.str-header__nav a,
.str-header__products summary {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px; font-weight: 500; letter-spacing: 0.05em;
  color: var(--fg-tertiary); text-decoration: none;
  position: relative; padding: 6px 0;
  transition: color 150ms ease;
}
.str-header__nav a::after {
  content:""; position:absolute; left:0; right:0; bottom:0; height:1px;
  background: var(--accent-cyan);
  transform: scaleX(0); transform-origin: left center;
  transition: transform 200ms var(--ease-ui);
}
.str-header__nav a:hover { color: var(--accent-cyan); }
.str-header__nav a:hover::after { transform: scaleX(1); }
.str-header__products { position: relative; }
.str-header__products summary {
  list-style: none; cursor: pointer; display: flex; align-items: center; gap: 6px;
}
.str-header__products summary::-webkit-details-marker { display: none; }
.str-header__products summary::after {
  content: "expand_more"; font-family: "Material Symbols Outlined";
  font-size: 18px; line-height: 1;
}
.str-header__products[open] summary { color: var(--accent-cyan); }
.str-header__products[open] summary::after { content: "expand_less"; }
.str-header__products-panel {
  position: absolute; top: calc(100% + 18px); left: 0; width: 320px; padding: 10px;
  max-height: calc(100vh - 110px); overflow-y: auto;
  background: var(--bg-overlay);
  border: 1px solid var(--border-soft); border-radius: 12px;
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  backdrop-filter: blur(28px) saturate(180%);
  box-shadow: 0 16px 48px rgba(0,0,0,0.5);
}
.str-header__products-panel a {
  display: block; padding: 10px 12px; border-radius: 6px;
  color: var(--fg-secondary); font-size: 13px;
}
.str-header__products-panel a:hover {
  color: var(--accent-cyan); background: var(--glass-tint-blue);
}
.str-header__products-section {
  display: block; margin: 14px 12px 6px;
  padding-top: 12px;
  border-top: 1px solid var(--border-hairline);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10px; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--fg-mono);
}
.str-header__products-section:first-child { margin-top: 4px; padding-top: 4px; border-top: 0; }
.str-header__cta {
  display: none; align-items: center; justify-content: center;
  background: var(--accent-cyan); color: #000;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px; font-weight: 600; letter-spacing: 0.05em;
  padding: 10px 16px; border-radius: 8px; text-decoration: none; white-space: nowrap;
  box-shadow: var(--glow-cyan-sm);
  transition: filter 150ms ease, transform 150ms ease;
}
.str-header__cta:hover { filter: brightness(1.1); transform: translateY(-1px); }
.str-theme-toggle {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--fg-primary);
  background: var(--glass-standard);
  border: 1px solid var(--border-hairline);
  border-radius: 8px;
  cursor: pointer;
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  transition: color 150ms ease, border-color 150ms ease, transform 150ms ease;
}
.str-theme-toggle:hover {
  color: var(--accent-cyan);
  border-color: var(--border-glow);
  transform: translateY(-1px);
}
.str-theme-toggle .material-symbols-outlined {
  font-size: 21px;
}
.str-theme-toggle__label { display: none; }
.str-theme-toggle--desktop { display: none; }
.str-theme-toggle--standalone { display: inline-flex; }
.str-theme-toggle--mobile {
  width: 100%;
  height: auto;
  margin-top: 14px;
  padding: 11px 12px;
  justify-content: flex-start;
  gap: 10px;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: none;
}
.str-theme-toggle--mobile .str-theme-toggle__label { display: inline; }
.str-header__menu { position: relative; }
.str-header__menu summary {
  width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
  color: var(--fg-primary); background: var(--glass-standard);
  border: 1px solid var(--border-hairline); border-radius: 8px;
  cursor: pointer; list-style: none;
}
.str-header__menu summary::-webkit-details-marker { display: none; }
.str-header__menu-panel {
  position: absolute; right: 0; top: calc(100% + 12px);
  width: min(82vw, 340px); max-height: calc(100vh - 110px); overflow-y: auto;
  padding: 16px;
  background: var(--bg-overlay);
  border: 1px solid var(--border-soft); border-radius: 12px;
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  backdrop-filter: blur(28px) saturate(180%);
  box-shadow: 0 16px 48px rgba(0,0,0,0.5);
}
.str-header__menu-panel a {
  display: block; padding: 10px 0;
  font-family: "Hanken Grotesk", "Helvetica Neue", Arial, sans-serif;
  font-size: 15px; color: var(--fg-secondary); text-decoration: none;
}
.str-header__menu-panel a:hover { color: var(--accent-cyan); }
.str-header__menu-section {
  display: block; margin-top: 10px; padding-top: 14px;
  border-top: 1px solid var(--border-hairline);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--fg-mono);
}
.str-header__menu-cta {
  display: block; margin-top: 14px; padding: 12px 16px; text-align: center;
  background: var(--accent-cyan); color: #000 !important; border-radius: 8px;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px; font-weight: 600;
}
@media (min-width: 768px) { .str-header__inner { padding: 0 32px; height: 80px; } }
@media (min-width: 960px) {
  .str-header__nav, .str-header__cta { display: flex; }
  .str-theme-toggle--desktop { display: inline-flex; }
  .str-header__menu { display: none; }
}

.str-breadcrumb-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 32px 0 40px;
}
.str-breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  padding: 8px 14px;
  background: var(--glass-subtle, rgba(255,255,255,0.04));
  border: 1px solid var(--border-soft, rgba(255,255,255,0.08));
  border-radius: 999px;
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  backdrop-filter: blur(18px) saturate(160%);
  color: var(--fg-tertiary);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.str-breadcrumb::before {
  content: "home";
  font-family: "Material Symbols Outlined";
  font-size: 15px;
  line-height: 1;
  color: var(--fg-mono);
  margin-right: 2px;
  letter-spacing: 0;
}
.str-breadcrumb a,
.str-breadcrumb span {
  min-width: 0;
  white-space: nowrap;
}
.str-breadcrumb a {
  color: var(--fg-mono);
  text-decoration: none;
  transition: color 150ms ease;
}
.str-breadcrumb a:hover { color: var(--accent-cyan-bright); }
.str-breadcrumb [aria-current="page"] {
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--fg-secondary);
}
.str-breadcrumb__separator { color: var(--fg-quaternary); }
.str-theme-toggle--breadcrumb {
  width: auto;
  height: 40px;
  min-width: 116px;
  padding: 4px;
  gap: 4px;
  flex-shrink: 0;
  border-radius: 999px;
}
.str-theme-toggle--breadcrumb::before,
.str-theme-toggle--breadcrumb::after {
  min-width: 46px;
  padding: 7px 10px;
  border-radius: 999px;
  line-height: 1;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.str-theme-toggle--breadcrumb::before {
  content: "Day";
  color: var(--fg-primary);
}
.str-theme-toggle--breadcrumb::after {
  content: "Night";
  color: var(--fg-primary);
}
.str-theme-toggle--breadcrumb[data-theme-state="day"]::before,
.str-theme-toggle--breadcrumb[data-theme-state="night"]::after {
  background: var(--accent-cyan);
  color: #fff;
  box-shadow: var(--glow-cyan-sm);
}
.str-theme-toggle--breadcrumb .material-symbols-outlined {
  display: none;
}
@media (max-width: 640px) {
  .str-breadcrumb-bar {
    align-items: flex-start;
    margin-bottom: 28px;
  }
  .str-breadcrumb {
    flex-wrap: wrap;
    gap: 8px;
    font-size: 11px;
    line-height: 1.5;
  }
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative; min-height: 100vh; overflow: hidden;
  background: var(--bg-base);
  display: flex; align-items: center;
  padding: 120px 0 96px;
}
.hero__vignette {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  /* Two stacked gradients:
     1. Left-to-right darken so the text column (left) stays readable over bright 3D nodes.
     2. Radial edge vignette to anchor the composition and reduce edge brightness. */
  background:
    linear-gradient(90deg,
      rgba(6, 7, 13, 0.92) 0%,
      rgba(10, 11, 20, 0.78) 28%,
      rgba(10, 11, 20, 0.45) 55%,
      rgba(10, 11, 20, 0.25) 80%,
      rgba(10, 11, 20, 0.55) 100%),
    radial-gradient(ellipse 80% 60% at 50% 40%,
      transparent 0%, rgba(10,11,20,0.45) 60%, rgba(10,11,20,0.88) 100%);
}
:root[data-theme="day"] .hero {
  background:
    radial-gradient(circle at 78% 18%, rgba(0,118,214,0.14), transparent 34%),
    linear-gradient(180deg, #F8FAFD 0%, #EEF4F9 62%, #FFFFFF 100%);
}
:root[data-theme="day"] .hero__vignette {
  background:
    linear-gradient(90deg,
      rgba(248,250,253,0.98) 0%,
      rgba(248,250,253,0.88) 34%,
      rgba(248,250,253,0.46) 58%,
      rgba(248,250,253,0.20) 82%,
      rgba(248,250,253,0.56) 100%),
    radial-gradient(ellipse 80% 60% at 50% 40%,
      transparent 0%, rgba(255,255,255,0.38) 60%, rgba(238,244,249,0.78) 100%);
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="night"]) .hero {
    background:
      radial-gradient(circle at 78% 18%, rgba(0,118,214,0.14), transparent 34%),
      linear-gradient(180deg, #F8FAFD 0%, #EEF4F9 62%, #FFFFFF 100%);
  }
  :root:not([data-theme="night"]) .hero__vignette {
    background:
      linear-gradient(90deg,
        rgba(248,250,253,0.98) 0%,
        rgba(248,250,253,0.88) 34%,
        rgba(248,250,253,0.46) 58%,
        rgba(248,250,253,0.20) 82%,
        rgba(248,250,253,0.56) 100%),
      radial-gradient(ellipse 80% 60% at 50% 40%,
        transparent 0%, rgba(255,255,255,0.38) 60%, rgba(238,244,249,0.78) 100%);
  }
}
@media (max-width: 1023px) {
  /* On mobile/tablet the text stacks above the canvas — use a vertical darken */
  .hero__vignette {
    background:
      linear-gradient(180deg,
        rgba(6, 7, 13, 0.55) 0%,
        rgba(10, 11, 20, 0.80) 30%,
        rgba(10, 11, 20, 0.55) 70%,
        rgba(10, 11, 20, 0.35) 100%),
      radial-gradient(ellipse 100% 70% at 50% 50%,
        transparent 0%, rgba(10,11,20,0.55) 70%, rgba(10,11,20,0.85) 100%);
  }
}
.hero__grid-overlay {
  position: absolute; inset: 0; z-index: 1; pointer-events: none; opacity: 0.06;
  background-image:
    linear-gradient(rgba(0, 209, 255, 0.4) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 209, 255, 0.4) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at 50% 50%, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(circle at 50% 50%, black 30%, transparent 80%);
}
.hero__rule {
  width: 32px; height: 1px;
  background: linear-gradient(90deg, var(--accent-cyan), transparent);
  margin: 24px 0 0;
}
.status-card { width: 320px; padding: 20px; border-radius: 14px; }
.status-card__title {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--fg-mono); margin-bottom: 14px;
  display: flex; align-items: center; gap: 8px;
}
.status-card__line {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12px; line-height: 1.7; color: var(--fg-secondary);
  display: flex; align-items: center; gap: 10px;
}
.status-card__dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.status-card__dot--ok { background: var(--signal-success); box-shadow: 0 0 8px var(--signal-success); }
.status-card__dot--sync { background: var(--signal-warning); box-shadow: 0 0 8px var(--signal-warning); animation: str-pulse 1.6s ease-in-out infinite; }
.status-card__dot--verified { background: var(--accent-cyan); box-shadow: 0 0 8px var(--accent-cyan); }

.btn-cyan {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent-cyan); color: #000;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 13px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 14px 22px; border-radius: 8px; text-decoration: none;
  box-shadow: var(--glow-cyan-md);
  transition: filter 200ms ease, transform 200ms ease;
}
.btn-cyan:hover { filter: brightness(1.1); transform: translateY(-1px); }
.btn-glass {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--glass-standard); color: var(--fg-primary);
  border: 1px solid var(--border-hairline);
  -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 13px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 14px 22px; border-radius: 8px; text-decoration: none;
  transition: border-color 200ms, color 200ms;
}
.btn-glass:hover { border-color: var(--border-glow); color: var(--accent-cyan); }
.btn-glass .arrow { transition: transform 200ms var(--ease-ui); }
.btn-glass:hover .arrow { transform: translateX(4px); }

/* ============================================================
   Section reveal
   ============================================================ */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 600ms var(--ease-out-expo), transform 600ms var(--ease-out-expo); }
.reveal.is-revealed { opacity: 1; transform: translateY(0); }
.reveal-stagger > * { opacity: 0; transform: translateY(24px); transition: opacity 600ms var(--ease-out-expo), transform 600ms var(--ease-out-expo); }
.reveal-stagger.is-revealed > * { opacity: 1; transform: translateY(0); }
.reveal-stagger.is-revealed > *:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger.is-revealed > *:nth-child(2) { transition-delay: 80ms; }
.reveal-stagger.is-revealed > *:nth-child(3) { transition-delay: 160ms; }
.reveal-stagger.is-revealed > *:nth-child(4) { transition-delay: 240ms; }
.reveal-stagger.is-revealed > *:nth-child(5) { transition-delay: 320ms; }
.reveal-stagger.is-revealed > *:nth-child(6) { transition-delay: 400ms; }
.reveal-stagger.is-revealed > *:nth-child(7) { transition-delay: 480ms; }
.reveal-stagger.is-revealed > *:nth-child(8) { transition-delay: 560ms; }
.reveal-stagger.is-revealed > *:nth-child(9) { transition-delay: 640ms; }

/* ============================================================
   Solution Pillars bento
   ============================================================ */
.bento { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.bento .card { display: flex; flex-direction: column; padding: 28px; min-height: 240px; will-change: transform; }
.bento .card.card--wide { grid-column: span 2; }
.bento .card.card--row  { grid-column: span 4; flex-direction: row; align-items: center; gap: 28px; min-height: 140px; }
.bento .card.card--row .card__body { display: flex; flex-direction: row; align-items: center; gap: 32px; flex: 1; }
.bento .card.card--row .card__text { flex: 1; }
.icon-tile {
  width: 48px; height: 48px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  background: var(--glass-subtle);
  position: relative; margin-bottom: 20px;
  transition: background 200ms ease;
}
.icon-tile::before {
  content:""; position:absolute; inset:0; border-radius:inherit; padding:1.5px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-violet));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  pointer-events: none;
}
.icon-tile .material-symbols-outlined { color: var(--accent-cyan); font-size: 24px; transition: filter 200ms ease; }
.glass-standard:hover .icon-tile,
.glass-featured:hover .icon-tile { background: var(--glass-tint-blue); }
.glass-standard:hover .icon-tile .material-symbols-outlined,
.glass-featured:hover .icon-tile .material-symbols-outlined { filter: drop-shadow(0 0 8px var(--accent-cyan)); }
.card__title {
  font-family: metropolis, "Helvetica Neue", Arial, sans-serif;
  font-size: 22px; font-weight: 600; line-height: 1.3; letter-spacing: -0.01em;
  color: var(--fg-primary); margin-bottom: 10px;
}
.card--wide .card__title { font-size: 26px; }
.card__desc { font-size: 15px; line-height: 1.6; color: var(--fg-secondary); flex-grow: 1; margin-bottom: 20px; }
.card__cta {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent-cyan); text-decoration: none; margin-top: auto;
  transition: color 200ms ease;
}
.card__cta .material-symbols-outlined { font-size: 16px; transition: transform 200ms var(--ease-ui); }
.card__cta:hover { color: var(--accent-cyan-bright); }
.card__cta:hover .material-symbols-outlined { transform: translateX(4px); }
@media (max-width: 768px) {
  .bento { grid-template-columns: 1fr; }
  .bento .card.card--wide, .bento .card.card--row { grid-column: span 1; }
  .bento .card.card--row { flex-direction: column; align-items: stretch; }
  .bento .card.card--row .card__body { flex-direction: column; align-items: stretch; }
}

/* ============================================================
   Industries marquee
   ============================================================ */
.marquee {
  position: relative; overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee__track {
  display: flex; gap: 16px; width: max-content;
  animation: str-marquee 40s linear infinite;
}
.marquee.is-paused .marquee__track { animation-play-state: paused; }
.chip {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 16px 24px; height: 56px; border-radius: 999px;
  background: var(--glass-subtle); border: 1px solid var(--border-hairline);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  white-space: nowrap; transition: border-color 200ms, box-shadow 200ms, transform 200ms;
}
.chip .material-symbols-outlined { color: var(--accent-cyan); font-size: 22px; transition: transform 200ms ease; }
.chip__label {
  font-family: metropolis, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px; font-weight: 600; color: var(--fg-primary); letter-spacing: -0.005em;
}
.chip:hover { border-color: var(--border-glow); box-shadow: var(--glow-cyan-sm); transform: translateY(-2px); }
.chip:hover .material-symbols-outlined { transform: scale(1.1); }
.industries-grid { display: none; }
@media (prefers-reduced-motion: reduce) {
  .marquee { display: none; }
  .industries-grid {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px;
  }
  @media (min-width: 1024px) { .industries-grid { grid-template-columns: repeat(4, 1fr); } }
}
@keyframes str-marquee {
  from { transform: translate3d(0, 0, 0); }
  to   { transform: translate3d(-50%, 0, 0); }
}

/* ============================================================
   Integrations orbit
   ============================================================ */
.orbit {
  position: relative; width: 100%; max-width: 720px; height: 720px;
  margin: 0 auto;
}
.orbit__rings { position: absolute; inset: 0; pointer-events: none; }
.orbit__ring {
  position: absolute; top: 50%; left: 50%; border-radius: 50%;
  border: 1px dashed var(--border-hairline);
  transform: translate(-50%, -50%);
}
.orbit__lines { position: absolute; inset: 0; pointer-events: none; }
.orbit__line {
  stroke: var(--accent-cyan); stroke-width: 1; fill: none;
  stroke-dasharray: 400; stroke-dashoffset: 400;
  opacity: 0; transition: opacity 200ms ease;
}
.orbit__line.is-active {
  opacity: 0.7;
  animation: str-stroke-draw 400ms cubic-bezier(0.65,0,0.35,1) forwards;
}
.orbit__core {
  position: absolute; top: 50%; left: 50%; width: 220px; height: 220px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: var(--glass-featured); border: 1px solid var(--border-soft);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  backdrop-filter: blur(28px) saturate(180%);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 24px;
  box-shadow: var(--glow-cyan-sm);
}
.orbit__core-ring {
  position: absolute; inset: -10px; border-radius: 50%; pointer-events: none;
  animation: str-rotate 60s linear infinite;
}
.orbit__core h2 {
  font-family: metropolis, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px; font-weight: 700; line-height: 1.25;
  color: var(--fg-primary); letter-spacing: -0.01em;
}
.orbit__tile {
  position: absolute; top: 50%; left: 50%;
  width: 140px; height: 140px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 10px; text-align: center; padding: 12px;
  background: var(--glass-subtle); border: 1px solid var(--border-hairline);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  border-radius: 16px;
  --tx: 0px; --ty: 0px;
  transform: translate(-50%, -50%) translate(var(--tx), var(--ty));
  transition: border-color 200ms, box-shadow 200ms, transform 200ms;
  text-decoration: none;
}
.orbit__tile .material-symbols-outlined { color: var(--accent-cyan); font-size: 32px; }
.orbit__tile-label {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--fg-secondary); line-height: 1.3;
}
.orbit__tile:hover {
  border-color: var(--border-glow); box-shadow: var(--glow-cyan-sm);
  transform: translate(-50%, -50%) translate(var(--tx), var(--ty)) scale(1.05);
}
.integrations-grid { display: none; }
@media (max-width: 1024px) {
  .orbit { display: none; }
  .integrations-grid {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px;
  }
  @media (min-width: 640px) { .integrations-grid { grid-template-columns: repeat(4, 1fr); } }
}
@media (prefers-reduced-motion: reduce) {
  .orbit { display: none; }
  .integrations-grid {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px;
  }
  @media (min-width: 640px) { .integrations-grid { grid-template-columns: repeat(4, 1fr); } }
}

/* ============================================================
   Why STR zigzag spine
   ============================================================ */
.why-grid {
  position: relative;
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px 48px;
  --spine-progress: 0;
}
.why-spine {
  position: absolute; top: 0; bottom: 0; left: 50%; width: 1px;
  transform: translateX(-0.5px);
  background: linear-gradient(180deg,
    var(--border-hairline) 0%,
    var(--accent-cyan) 50%,
    var(--border-hairline) 100%);
  mask-image: linear-gradient(180deg, #000 calc(var(--spine-progress) * 100%), transparent calc(var(--spine-progress) * 100%));
  -webkit-mask-image: linear-gradient(180deg, #000 calc(var(--spine-progress) * 100%), transparent calc(var(--spine-progress) * 100%));
  pointer-events: none;
}
.why-card {
  position: relative; padding: 32px;
  display: flex; gap: 20px; align-items: flex-start;
}
.why-card__icon {
  width: 72px; height: 72px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--glass-subtle); position: relative;
}
.why-card__icon::before {
  content:""; position:absolute; inset:0; border-radius:inherit; padding:1.5px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-violet));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  pointer-events: none;
}
.why-card__icon .material-symbols-outlined { color: var(--accent-cyan); font-size: 32px; }
.why-card__title {
  font-family: metropolis, "Helvetica Neue", Arial, sans-serif;
  font-size: 22px; font-weight: 600; line-height: 1.3; letter-spacing: -0.01em;
  color: var(--fg-primary); margin-bottom: 10px;
}
.why-card__body { font-size: 15px; line-height: 1.6; color: var(--fg-secondary); }
.why-card__index {
  position: absolute; top: 16px; right: 20px;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px; letter-spacing: 0.14em; color: var(--fg-mono);
}
@media (max-width: 768px) {
  .why-grid { grid-template-columns: 1fr; }
  .why-grid .why-card:nth-child(3),
  .why-grid .why-card:nth-child(4) { grid-column: 1; }
  .why-spine { display: none; }
}

/* ============================================================
   Experience staggered grid
   ============================================================ */
.exp-bg {
  position: absolute; inset: 0; pointer-events: none; opacity: 0.04;
  background-image:
    linear-gradient(var(--accent-cyan) 1px, transparent 1px),
    linear-gradient(90deg, var(--accent-cyan) 1px, transparent 1px);
  background-size: 40px 40px;
}
.exp-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: stretch;
}
.exp-card {
  padding: 24px;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: transform 320ms var(--ease-out-expo), box-shadow 320ms ease, border-color 200ms ease;
}
.exp-card__body { flex: 1; }
.exp-card__meta {
  display: flex; align-items: center; gap: 8px; margin-bottom: 14px;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--fg-mono);
}
.exp-card__meta-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--signal-success); box-shadow: 0 0 8px var(--signal-success);
  animation: str-pulse 1.6s ease-in-out infinite;
}
.exp-card__title {
  font-family: metropolis, "Helvetica Neue", Arial, sans-serif;
  font-size: 18px; font-weight: 600; color: var(--fg-primary); margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.exp-card__title .arrow {
  color: var(--accent-cyan); margin-left: 6px;
  animation: str-pulse 2s ease-in-out infinite;
}
.exp-card__body { font-size: 14px; line-height: 1.6; color: var(--fg-secondary); }
@media (max-width: 1024px) { .exp-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .exp-grid { grid-template-columns: 1fr; } }

/* ============================================================
   How We Work timeline
   ============================================================ */
.process-pyramid {
  display: grid;
  grid-template-columns: minmax(280px, 1.08fr) minmax(260px, 0.92fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  margin: -28px 0 68px;
}
.process-pyramid__stack {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
  min-height: 480px;
  filter: drop-shadow(0 16px 32px rgba(127, 233, 255, 0.28)) drop-shadow(0 28px 50px rgba(0, 112, 235, 0.22));
}
/* ONE single continuous triangle silhouette — apex sharp point at top center.
   On-brand blue/cyan gradient: bright pale cyan apex → vibrant cyan → deep brand blue base. */
.process-pyramid__stack::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(180deg, #B8F2FF 0%, #5CE7FF 22%, #00D1FF 50%, #0099E8 78%, #0050C8 100%);
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
}
/* Subtle diagonal highlight on the triangle */
.process-pyramid__stack::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(135deg, rgba(255,255,255,0.55), transparent 42%, rgba(255,255,255,0.18) 72%, transparent);
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
  opacity: 0.55;
  pointer-events: none;
}
.process-pyramid__level {
  position: relative;
  z-index: 2;
  width: 100%;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0A0B14;
  font-family: metropolis, "Helvetica Neue", Arial, sans-serif;
  font-weight: 800;
  font-size: clamp(16px, 1.9vw, 26px);
  letter-spacing: 0;
  text-align: center;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.55), 0 0 12px rgba(255, 255, 255, 0.35);
}
.process-pyramid__level span {
  position: relative;
  z-index: 2;
  padding: 0 12px;
  white-space: nowrap;
}
/* Subtle horizontal dividers inside the triangle (clipped to triangle by container's clip-path on ::before — visible as faint hairlines via the level border) */
.process-pyramid__level + .process-pyramid__level::before {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.45) 20%, rgba(255,255,255,0.45) 80%, transparent);
  z-index: 1;
}
.process-pyramid__level--top {
  flex: 0 0 110px;
  align-items: flex-end;
  padding-bottom: 6px;
}
.process-pyramid__notes {
  display: grid;
  gap: 16px;
}
.process-pyramid__notes div {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  background: var(--glass-standard);
  -webkit-backdrop-filter: blur(22px);
  backdrop-filter: blur(22px);
}
.process-pyramid__notes span {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-cyan);
}
.process-pyramid__notes p {
  margin: 0;
  color: var(--fg-secondary);
  font-size: 15px;
  line-height: 1.55;
}
@media (max-width: 900px) {
  .process-pyramid {
    grid-template-columns: 1fr;
    margin-top: -36px;
  }
  .process-pyramid__stack {
    min-height: 380px;
  }
  .process-pyramid__level {
    min-height: 76px;
    font-size: clamp(14px, 4.4vw, 22px);
  }
  .process-pyramid__level--top { min-height: 82px; }
}
@media (max-width: 520px) {
  .process-pyramid__stack {
    min-height: 320px;
  }
  .process-pyramid__level {
    min-height: 64px;
    font-size: clamp(13px, 4vw, 18px);
  }
  .process-pyramid__level--top { min-height: 70px; }
  .process-pyramid__notes div {
    grid-template-columns: 34px 1fr;
    padding: 14px 15px;
  }
}
.timeline { position: relative; padding: 24px 0; }
/* Horizontal connector line sits at the vertical center of the node row.
   Node row offset from top of .timeline__step grid:
   token (~16px) + gap (14px) + title (min 52px) + gap (14px) + 28px (half of 56 node)
   = ~124px from the step grid top. Plus .timeline padding-top 24px = 148px. */
.timeline__svg {
  position: absolute; top: 148px; left: 0; width: 100%; height: 4px;
  pointer-events: none; z-index: 0;
}
.timeline__path {
  stroke: url(#str-timeline-gradient); stroke-width: 2; fill: none;
  stroke-dasharray: 1000; stroke-dashoffset: 1000;
  transition: stroke-dashoffset 1200ms var(--ease-out-expo);
}
.timeline.is-revealed .timeline__path { stroke-dashoffset: 0; }
.timeline__nodes {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 32px;
  position: relative; z-index: 1;
}
.timeline__step {
  display: grid;
  grid-template-rows: auto minmax(52px, auto) 56px auto;
  gap: 14px; justify-items: center; text-align: center;
}
.timeline__step-token {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--fg-mono);
}
.timeline__step-title {
  font-family: metropolis, "Helvetica Neue", Arial, sans-serif;
  font-size: 18px; font-weight: 600; color: var(--fg-primary); letter-spacing: -0.01em;
}
.timeline__step-body { font-size: 14px; line-height: 1.55; color: var(--fg-tertiary); }
.timeline__node {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--glass-featured); border: 1px solid var(--accent-cyan);
  -webkit-backdrop-filter: blur(28px); backdrop-filter: blur(28px);
  display: flex; align-items: center; justify-content: center;
  font-family: metropolis, "Helvetica Neue", Arial, sans-serif;
  font-size: 22px; font-weight: 600; color: var(--fg-primary);
  position: relative; z-index: 2;
  box-shadow: var(--glow-cyan-sm);
  transition: box-shadow 240ms ease;
}
.timeline__node:hover { box-shadow: var(--glow-cyan-md); }
.timeline__node::after {
  content:""; position:absolute; inset:-6px; border-radius:50%;
  border: 1px solid var(--accent-cyan); opacity: 0; pointer-events: none;
}
.timeline__node:hover::after { animation: str-ring-pulse 600ms ease-out forwards; }
@media (max-width: 900px) {
  .timeline__svg { display: none; }
  .timeline__nodes { grid-template-columns: 56px 1fr !important; gap: 24px 20px; }
  .timeline__step,
  .timeline__step:nth-child(odd),
  .timeline__step:nth-child(even) {
    flex-direction: row; align-items: flex-start; text-align: left;
    padding: 16px 0; gap: 16px;
    grid-column: span 2;
    display: grid; grid-template-columns: 56px 1fr; gap: 0 20px;
  }
  .timeline__node { grid-column: 1; grid-row: 1 / span 3; }
  .timeline__step-token { grid-column: 2; }
  .timeline__step-title { grid-column: 2; }
  .timeline__step-body { grid-column: 2; }
  .timeline::before {
    content:""; position:absolute; left: 27px; top: 30px; bottom: 30px;
    width: 1px; background: linear-gradient(180deg, var(--accent-cyan), var(--accent-violet), var(--accent-cyan));
  }
}

/* ============================================================
   Contact form
   ============================================================ */
.form-card {
  padding: 32px; border-radius: 16px; position: relative;
  animation: str-float 6s ease-in-out infinite;
}
.form-card__tag {
  position: absolute; top: 18px; right: 22px;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px; color: var(--fg-mono); letter-spacing: 0.05em;
}
.form-glow {
  position: absolute; top: 50%; left: 60%;
  transform: translate(-50%, -50%);
  width: 800px; height: 800px; border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle, rgba(0,209,255,0.04) 0%, transparent 60%);
}
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field label {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--fg-tertiary); transition: color 200ms ease;
}
.form-field:focus-within label { color: var(--fg-mono); }
.form-field input,
.form-field select,
.form-field textarea {
  background: var(--glass-subtle);
  border: 1px solid var(--border-hairline);
  border-radius: 8px; padding: 12px 14px;
  color: var(--fg-primary);
  font-family: "Hanken Grotesk", "Helvetica Neue", Arial, sans-serif;
  font-size: 15px; line-height: 1.4;
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  transition: border-color 200ms ease, box-shadow 200ms ease;
}
.form-field input::placeholder,
.form-field textarea::placeholder { color: var(--fg-quaternary); }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--border-glow);
  box-shadow: 0 0 0 3px rgba(0,209,255,0.15);
}
.form-radio-group { display: flex; gap: 20px; margin-top: 6px; }
/* High-specificity overrides to defeat .form-field label generic styling */
.form-field .form-radio-group .form-radio {
  display: inline-flex; align-items: center; gap: 10px;
  width: auto; flex: 0 0 auto; white-space: nowrap;
  padding: 0; margin: 0;
  background: transparent !important;
  border: 0 !important;
  border-radius: 0 !important;
  cursor: pointer;
  font-family: "Hanken Grotesk", "Helvetica Neue", Arial, sans-serif;
  font-size: 15px; font-weight: 400; line-height: 1.4;
  letter-spacing: 0; text-transform: none;
  color: var(--fg-secondary);
}
.form-field .form-radio-group .form-radio span {
  display: inline-block;
  font-family: inherit; font-size: inherit; font-weight: inherit;
  letter-spacing: 0; text-transform: none; color: inherit;
}
.form-field .form-radio-group .form-radio input[type="radio"] {
  appearance: none; -webkit-appearance: none;
  width: 18px; height: 18px; min-width: 18px; flex-shrink: 0;
  margin: 0; padding: 0;
  border-radius: 50%;
  border: 1px solid var(--border-soft); background: var(--glass-subtle);
  position: relative; cursor: pointer; transition: border-color 200ms ease;
}
.form-field .form-radio-group .form-radio input[type="radio"]:checked { border-color: var(--accent-cyan); }
.form-field .form-radio-group .form-radio input[type="radio"]:checked::after {
  content:""; position:absolute; top:50%; left:50%;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent-cyan);
  transform: translate(-50%, -50%);
  box-shadow: 0 0 8px var(--accent-cyan);
}
.btn-submit {
  width: 100%; margin-top: 12px;
  background: var(--accent-cyan); color: #000;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 13px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 14px; border: none; border-radius: 8px; cursor: pointer;
  box-shadow: var(--glow-cyan-md);
  position: relative; overflow: hidden;
  transition: filter 200ms ease, transform 200ms ease;
}
.btn-submit:hover { filter: brightness(1.1); transform: translateY(-1px); }
.btn-submit::after {
  content:""; position:absolute; top:0; left:-100%; width:100%; height:100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.45), transparent);
}
.btn-submit:active::after { animation: str-shine 600ms ease forwards; }
.form-submit-note {
  min-height: 18px;
  margin-top: 10px;
  color: var(--fg-tertiary);
  font-size: 13px;
  line-height: 1.4;
}

/* ============================================================
   Brand logo cards (Fintech banks / AI integrations)
   Logo loads on a white tile so colored brand marks pop on dark UI.
   If logo fails to load (network / CDN block), the data-letter
   initial avatar shows through as fallback.
   ============================================================ */
.brand-logo {
  position: relative;
  width: 88px; height: 56px;
  background: #ffffff;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.06), 0 4px 12px rgba(0,0,0,0.4);
  flex-shrink: 0;
}
.brand-logo::before {
  content: attr(data-letter);
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: metropolis, "Helvetica Neue", Arial, sans-serif;
  font-size: 26px; font-weight: 800; letter-spacing: -0.02em;
  color: var(--bg-base);
}
.brand-logo img {
  position: relative; z-index: 1;
  max-width: 78%; max-height: 78%;
  object-fit: contain;
  background: #ffffff;
}
.brand-logo--square { width: 64px; height: 64px; }
.brand-logo--dark { background: var(--bg-overlay); }
.brand-logo--dark::before { color: var(--fg-mono); }
.brand-logo--dark img { background: transparent; filter: brightness(0) invert(1); }
.trust-pill {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 18px; border-radius: 999px;
  background: var(--glass-subtle); border: 1px solid var(--border-hairline);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  color: var(--fg-primary); font-weight: 600; font-size: 15px;
}
.trust-pill .material-symbols-outlined { color: var(--accent-cyan); font-size: 22px; }
.mono-deco {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12px; line-height: 1.7; color: var(--fg-mono); letter-spacing: 0.05em;
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
  position: relative;
  background: var(--bg-void);
  color: var(--fg-tertiary);
  overflow: hidden;
}
.footer::before {
  content:""; position:absolute; top:0; left:0; right:0; height:1px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), var(--accent-violet), transparent);
}
.footer::after {
  content:""; position:absolute; inset:0; pointer-events:none; opacity:0.02;
  background-image: repeating-linear-gradient(0deg, var(--fg-primary) 0 1px, transparent 1px 3px);
}
.footer__link {
  position: relative; padding-left: 0;
  color: var(--fg-tertiary); font-size: 14px; text-decoration: none;
  transition: color 200ms ease, padding-left 200ms ease;
}
.footer a.footer__link::before { display: none; }
.footer a.footer__link:hover { color: var(--accent-cyan); padding-left: 0; }
.footer__contact {
  color: var(--fg-tertiary); font-size: 14px; line-height: 1.5;
}
.footer__contact a {
  color: var(--fg-tertiary); text-decoration: none;
  transition: color 200ms ease;
}
.footer__contact a:hover { color: var(--accent-cyan); }
.footer__heading {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--fg-mono);
}

:root[data-theme="day"] .article-hero,
:root[data-theme="day"] .blog-index-hero {
  background:
    radial-gradient(circle at 72% 18%, rgba(0,118,214,0.12), transparent 34%),
    linear-gradient(180deg, #F8FAFD 0%, #EEF4F9 58%, #FFFFFF 100%) !important;
}
:root[data-theme="day"] .article-hero::before,
:root[data-theme="day"] .blog-index-hero::before {
  background:
    linear-gradient(rgba(0,118,214,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,118,214,0.07) 1px, transparent 1px) !important;
}
:root[data-theme="day"] .article-body,
:root[data-theme="day"] .blog-card__desc,
:root[data-theme="day"] .blog-card__list,
:root[data-theme="day"] .article-side__list,
:root[data-theme="day"] .article-callout p,
:root[data-theme="day"] .article-callout li,
:root[data-theme="day"] .article-callout figcaption {
  color: var(--fg-secondary) !important;
}
:root[data-theme="day"] .article-side__list span,
:root[data-theme="day"] .text-accent-cyan,
:root[data-theme="day"] .article-body li::before,
:root[data-theme="day"] .article-callout li::before,
:root[data-theme="day"] .article-flow__item span,
:root[data-theme="day"] .blog-card__meta,
:root[data-theme="day"] .blog-card__list .material-symbols-outlined {
  color: var(--accent-cyan) !important;
}
:root[data-theme="day"] .article-body h2,
:root[data-theme="day"] .article-body h3,
:root[data-theme="day"] .blog-card__title,
:root[data-theme="day"] .article-system-card strong,
:root[data-theme="day"] .article-side__title,
:root[data-theme="day"] .article-callout,
:root[data-theme="day"] .article-callout strong,
:root[data-theme="day"] .article-flow__item strong {
  color: var(--fg-primary) !important;
}
:root[data-theme="day"] .article-callout {
  background: rgba(0,118,214,0.08) !important;
  border-color: rgba(0,118,214,0.22) !important;
}
:root[data-theme="day"] .article-figure {
  background: rgba(255,255,255,0.72) !important;
  border-color: var(--border-soft) !important;
}
:root[data-theme="day"] .article-figure figcaption,
:root[data-theme="day"] .article-flow__item,
:root[data-theme="day"] .article-flow__item p {
  color: var(--fg-secondary) !important;
}
:root[data-theme="day"] .article-callout * {
  border-color: rgba(0,72,150,0.16) !important;
}
:root[data-theme="day"] .article-system-card,
:root[data-theme="day"] .article-side__box,
:root[data-theme="day"] .article-flow__item {
  background: rgba(255,255,255,0.72) !important;
  border-color: var(--border-soft) !important;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="night"]) .article-hero,
  :root:not([data-theme="night"]) .blog-index-hero {
    background:
      radial-gradient(circle at 72% 18%, rgba(0,118,214,0.12), transparent 34%),
      linear-gradient(180deg, #F8FAFD 0%, #EEF4F9 58%, #FFFFFF 100%) !important;
  }
  :root:not([data-theme="night"]) .article-hero::before,
  :root:not([data-theme="night"]) .blog-index-hero::before {
    background:
      linear-gradient(rgba(0,118,214,0.07) 1px, transparent 1px),
      linear-gradient(90deg, rgba(0,118,214,0.07) 1px, transparent 1px) !important;
  }
  :root:not([data-theme="night"]) .article-body,
  :root:not([data-theme="night"]) .blog-card__desc,
  :root:not([data-theme="night"]) .blog-card__list,
  :root:not([data-theme="night"]) .article-side__list,
  :root:not([data-theme="night"]) .article-callout p,
  :root:not([data-theme="night"]) .article-callout li,
  :root:not([data-theme="night"]) .article-callout figcaption {
    color: var(--fg-secondary) !important;
  }
  :root:not([data-theme="night"]) .article-side__list span,
  :root:not([data-theme="night"]) .text-accent-cyan,
  :root:not([data-theme="night"]) .article-body li::before,
  :root:not([data-theme="night"]) .article-callout li::before,
  :root:not([data-theme="night"]) .article-flow__item span,
  :root:not([data-theme="night"]) .blog-card__meta,
  :root:not([data-theme="night"]) .blog-card__list .material-symbols-outlined {
    color: var(--accent-cyan) !important;
  }
  :root:not([data-theme="night"]) .article-body h2,
  :root:not([data-theme="night"]) .article-body h3,
  :root:not([data-theme="night"]) .blog-card__title,
  :root:not([data-theme="night"]) .article-system-card strong,
  :root:not([data-theme="night"]) .article-side__title,
  :root:not([data-theme="night"]) .article-callout,
  :root:not([data-theme="night"]) .article-callout strong,
  :root:not([data-theme="night"]) .article-flow__item strong {
    color: var(--fg-primary) !important;
  }
  :root:not([data-theme="night"]) .article-callout {
    background: rgba(0,118,214,0.08) !important;
    border-color: rgba(0,118,214,0.22) !important;
  }
  :root:not([data-theme="night"]) .article-figure {
    background: rgba(255,255,255,0.72) !important;
    border-color: var(--border-soft) !important;
  }
  :root:not([data-theme="night"]) .article-figure figcaption,
  :root:not([data-theme="night"]) .article-flow__item,
  :root:not([data-theme="night"]) .article-flow__item p {
    color: var(--fg-secondary) !important;
  }
  :root:not([data-theme="night"]) .article-callout * {
    border-color: rgba(0,72,150,0.16) !important;
  }
  :root:not([data-theme="night"]) .article-system-card,
  :root:not([data-theme="night"]) .article-side__box,
  :root:not([data-theme="night"]) .article-flow__item {
    background: rgba(255,255,255,0.72) !important;
    border-color: var(--border-soft) !important;
  }
}

/* ============================================================
   Keyframes
   ============================================================ */
@keyframes str-pulse {
  0%, 100% { opacity: 0.4; }
  50%      { opacity: 1; }
}
@keyframes str-float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-4px); }
}
@keyframes str-marquee {
  from { transform: translate3d(0, 0, 0); }
  to   { transform: translate3d(-50%, 0, 0); }
}
@keyframes str-rotate {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
@keyframes str-stroke-draw {
  to { stroke-dashoffset: 0; }
}
@keyframes str-ring-pulse {
  0%   { opacity: 1; transform: scale(1); }
  100% { opacity: 0; transform: scale(1.6); }
}
@keyframes str-shine {
  to { left: 100%; }
}

/* ============================================================
   Reduced motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .form-card { animation: none; }
  .marquee__track { animation: none; }
  .orbit__core-ring { animation: none; }
  .timeline__path { stroke-dashoffset: 0 !important; }
  .why-spine { mask-image: none; -webkit-mask-image: none; }
}

/* Tighten hero → next-section gap (was pb-16/24 + py-24/32 = 160px/224px) */
.hero > .relative,
.article-hero > .relative,
.blog-index-hero > .relative {
  padding-bottom: 36px !important;
}
.hero + section,
.article-hero + section,
.blog-index-hero + section {
  padding-top: 56px !important;
}
@media (min-width: 1024px) {
  .hero > .relative,
  .article-hero > .relative,
  .blog-index-hero > .relative {
    padding-bottom: 48px !important;
  }
  .hero + section,
  .article-hero + section,
  .blog-index-hero + section {
    padding-top: 72px !important;
  }
}