/* SGAMS — sgams.de */
/* smart-grid architecture meets operational intelligence */

/* this took longer than i'd like to admit */
/* the grid visualizer was built three ways before this one */
/* resist the urge to add more breakpoints */
/* safari strikes again — this fix is load-bearing */
/* z-index: 9 because 10 felt arrogant */
/* don't let anyone talk you into a CSS framework here */
/* the spacing scale took three rounds. this is the one */
/* readiness score bars tried animation-delay first — didn't work */
/* infrastructure cards had borders until they didn't */
/* the nav active state was a late addition, worth it */

/* =========================================================
   reset
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { line-height: 1.6; -webkit-font-smoothing: antialiased; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input, textarea, select { font: inherit; }
table { border-collapse: collapse; }

/* =========================================================
   tokens
   ========================================================= */
:root {
  /* colors */
  --c-bg:        #0a0e14;
  --c-surface:   #111720;
  --c-surface2:  #19212e;
  --c-border:    #1e2a3a;
  --c-border2:   #253348;

  --c-graphite:  #8a9ab0;
  --c-subtle:    #4a5a72;
  --c-muted:     #2e3f55;

  --c-text:      #d4dce8;
  --c-heading:   #eaf0f8;
  --c-white:     #f4f8fc;

  --c-navy:      #0f2040;
  --c-steel:     #2c4a6e;

  --c-green:     #00c98d;
  --c-green-dim: #00a374;
  --c-green-bg:  rgba(0,201,141,0.08);

  --c-cyan:      #00d4f5;
  --c-cyan-dim:  #00aec8;
  --c-cyan-bg:   rgba(0,212,245,0.07);

  --c-amber:     #f5a623;
  --c-red:       #e05252;

  /* spacing */
  --sp-1:  4px;
  --sp-2:  8px;
  --sp-3:  12px;
  --sp-4:  16px;
  --sp-5:  20px;
  --sp-6:  24px;
  --sp-8:  32px;
  --sp-10: 40px;
  --sp-12: 48px;
  --sp-16: 64px;
  --sp-20: 80px;
  --sp-24: 96px;

  /* radius */
  --r-sm:  4px;
  --r-md:  8px;
  --r-lg:  12px;
  --r-xl:  16px;

  /* shadows */
  --sh-sm:  0 1px 4px rgba(0,0,0,0.4);
  --sh-md:  0 4px 16px rgba(0,0,0,0.5);
  --sh-lg:  0 8px 32px rgba(0,0,0,0.6);
  --sh-glow-green: 0 0 20px rgba(0,201,141,0.15);
  --sh-glow-cyan:  0 0 20px rgba(0,212,245,0.15);

  /* transitions */
  --t-fast:   150ms ease;
  --t-base:   250ms ease;
  --t-slow:   400ms ease;

  /* z-index */
  --z-base:    1;
  --z-card:    2;
  --z-sticky:  9;
  --z-overlay: 20;
  --z-modal:   30;
  --z-top:     40;

  /* typography */
  --font-head: 'Barlow Condensed', 'Barlow', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  /* logo */
  --logo-w: 160px;
  --logo-h: 36px;

  /* layout */
  --container: 1240px;
  --header-h:  64px;
}

/* =========================================================
   base
   ========================================================= */
body {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--c-text);
  background: var(--c-bg);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-head);
  color: var(--c-heading);
  line-height: 1.15;
  letter-spacing: 0.02em;
  font-weight: 600;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.5rem); }
h4 { font-size: 1.1rem; }

p { margin-bottom: var(--sp-4); }
p:last-child { margin-bottom: 0; }

a:hover { color: var(--c-green); }

strong { font-weight: 600; color: var(--c-heading); }

code, pre {
  font-family: var(--font-mono);
  font-size: 0.88em;
}

pre {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  padding: var(--sp-4);
  overflow-x: auto;
}

hr {
  border: none;
  border-top: 1px solid var(--c-border);
  margin: var(--sp-8) 0;
}

/* =========================================================
   layout
   ========================================================= */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--sp-6);
}

main {
  padding-top: var(--header-h);
  min-height: calc(100vh - var(--header-h));
}

.section {
  padding: var(--sp-20) 0;
}

.section-sm {
  padding: var(--sp-12) 0;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-green);
  margin-bottom: var(--sp-3);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.section-label::before {
  content: '';
  display: block;
  width: 16px;
  height: 1px;
  background: var(--c-green);
}

.section-title {
  margin-bottom: var(--sp-4);
}

.section-desc {
  color: var(--c-graphite);
  max-width: 52ch;
  font-size: 1.05rem;
  line-height: 1.7;
}

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-6); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-6); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-6); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: var(--r-sm);
  border: 1px solid var(--c-border2);
  color: var(--c-graphite);
  background: var(--c-surface);
}

.tag-green { border-color: rgba(0,201,141,0.3); color: var(--c-green); background: var(--c-green-bg); }
.tag-cyan  { border-color: rgba(0,212,245,0.3); color: var(--c-cyan);  background: var(--c-cyan-bg); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-6);
  border-radius: var(--r-md);
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: all var(--t-base);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--c-green);
  color: #000;
}
.btn-primary:hover {
  background: #00e0a0;
  color: #000;
  box-shadow: var(--sh-glow-green);
}

.btn-outline {
  background: transparent;
  color: var(--c-text);
  border: 1px solid var(--c-border2);
}
.btn-outline:hover {
  border-color: var(--c-green);
  color: var(--c-green);
}

.btn-ghost {
  background: transparent;
  color: var(--c-graphite);
  padding: var(--sp-2) var(--sp-4);
}
.btn-ghost:hover { color: var(--c-text); }

/* =========================================================
   header
   ========================================================= */
#site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background: rgba(10,14,20,0.92);
  border-bottom: 1px solid var(--c-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background var(--t-base);
}

#site-header.scrolled {
  background: rgba(10,14,20,0.98);
  box-shadow: var(--sh-md);
}

#site-header .container {
  height: 100%;
}

.nav-inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: var(--sp-8);
}

.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
      margin: 12px 0;
}

.nav-logo img {
  max-width: var(--logo-w);
  max-height: var(--logo-h);
  width: auto;
  height: auto;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  flex: 1;
  flex-wrap: wrap;
    padding: 12px 0;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--c-graphite);
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--r-sm);
  transition: color var(--t-fast);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--c-heading);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-left: auto;
}

.nav-actions a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--c-graphite);
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--r-md);
  border: 1px solid var(--c-border2);
  transition: all var(--t-fast);
  white-space: nowrap;
}

.nav-actions a:hover {
  color: var(--c-green);
  border-color: rgba(0,201,141,0.4);
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: var(--sp-2);
  margin-left: auto;
  width: 36px;
  height: 36px;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--c-text);
  border-radius: 2px;
  transition: all var(--t-base);
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* reading progress */
#reading-progress {
  position: fixed;
  top: var(--header-h);
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--c-green);
  z-index: var(--z-sticky);
  transition: width 100ms linear;
}

/* =========================================================
   mobile menu
   ========================================================= */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  background: var(--c-bg);
  z-index: calc(var(--z-sticky) - 1);
  padding: var(--sp-6);
  overflow-y: auto;
  transform: translateX(-100%);
  transition: transform var(--t-slow);
}

.mobile-menu.open {
  transform: translateX(0);
}

.mobile-menu a {
  display: block;
  padding: var(--sp-4) 0;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--c-text);
  border-bottom: 1px solid var(--c-border);
}

.mobile-menu a:hover { color: var(--c-green); }

.mobile-menu .mobile-cta {
  margin-top: var(--sp-6);
}

/* =========================================================
   breadcrumb
   ========================================================= */
.breadcrumb {
  padding: var(--sp-4) 0;
  border-bottom: 1px solid var(--c-border);
  margin-bottom: var(--sp-8);
}

.breadcrumb ol {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  flex-wrap: wrap;
}

.breadcrumb li {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--c-subtle);
  letter-spacing: 0.05em;
}

.breadcrumb li + li::before {
  content: "›";
  color: var(--c-subtle);
}

.breadcrumb li a {
  color: var(--c-graphite);
  transition: color var(--t-fast);
}

.breadcrumb li a:hover { color: var(--c-green); }
.breadcrumb li:last-child { color: var(--c-text); }

/* =========================================================
   hero — homepage operational brief
   ========================================================= */
.home-hero {
  padding: var(--sp-20) 0 var(--sp-16);
  border-bottom: 1px solid var(--c-border);
  position: relative;
  overflow: hidden;
}

.home-hero::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(0,201,141,0.05) 0%, transparent 70%);
  pointer-events: none;
}

.home-hero::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: 40%;
  width: 400px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(0,212,245,0.04) 0%, transparent 70%);
  pointer-events: none;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-green);
  margin-bottom: var(--sp-6);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.hero-eyebrow::after {
  content: '';
  display: block;
  width: 40px;
  height: 1px;
  background: var(--c-green);
}

.hero-headline {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: 0.01em;
  color: var(--c-white);
  margin-bottom: var(--sp-6);
  max-width: 16ch;
}

.hero-headline em {
  font-style: normal;
  color: var(--c-green);
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--c-graphite);
  max-width: 52ch;
  line-height: 1.75;
  margin-bottom: var(--sp-8);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  flex-wrap: wrap;
}

.hero-metrics {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
  margin-top: var(--sp-16);
  padding-top: var(--sp-8);
  border-top: 1px solid var(--c-border);
  flex-wrap: wrap;
}

.hero-metric {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.hero-metric-val {
  font-family: var(--font-head);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--c-heading);
  letter-spacing: 0.02em;
}

.hero-metric-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-subtle);
}

/* =========================================================
   infrastructure status board (homepage unique component)
   ========================================================= */
.status-board {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.status-board-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-4) var(--sp-6);
  border-bottom: 1px solid var(--c-border);
  background: var(--c-surface2);
}

.status-board-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-graphite);
}

.status-live {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-green);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-green);
  animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.status-cell {
  padding: var(--sp-5) var(--sp-6);
  border-right: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
}

.status-cell:nth-child(3n) { border-right: none; }
.status-cell:nth-last-child(-n+3) { border-bottom: none; }

.status-cell-name {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-subtle);
  margin-bottom: var(--sp-2);
}

.status-cell-val {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--c-heading);
  letter-spacing: 0.03em;
  margin-bottom: var(--sp-1);
}

.status-cell-bar {
  height: 3px;
  background: var(--c-border);
  border-radius: 2px;
  overflow: hidden;
  margin-top: var(--sp-2);
}

.status-cell-fill {
  height: 100%;
  border-radius: 2px;
  background: var(--c-green);
  transition: width 1.2s ease;
}

.status-cell-fill.cyan { background: var(--c-cyan); }
.status-cell-fill.amber { background: var(--c-amber); }

/* =========================================================
   module cards (solutions / features)
   ========================================================= */
.module-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--sp-6);
  cursor: pointer;
  transition: all var(--t-base);
  position: relative;
  overflow: hidden;
}

.module-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--c-green), var(--c-cyan));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-base);
}

.module-card:hover {
  border-color: var(--c-border2);
  background: var(--c-surface2);
  transform: translateY(-2px);
  box-shadow: var(--sh-md);
}

.module-card:hover::before {
  transform: scaleX(1);
}

.module-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--r-md);
  background: var(--c-green-bg);
  border: 1px solid rgba(0,201,141,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-4);
  color: var(--c-green);
}

.module-icon.cyan {
  background: var(--c-cyan-bg);
  border-color: rgba(0,212,245,0.2);
  color: var(--c-cyan);
}

.module-title {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--c-heading);
  margin-bottom: var(--sp-2);
  letter-spacing: 0.03em;
}

.module-desc {
  font-size: 0.9rem;
  color: var(--c-graphite);
  line-height: 1.65;
}

/* =========================================================
   insight cards (research / blog)
   ========================================================= */
.insight-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--t-base);
}

.insight-card:hover {
  border-color: var(--c-border2);
  transform: translateY(-2px);
  box-shadow: var(--sh-md);
}

.insight-card-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  display: block;
}

.insight-card-body {
  padding: var(--sp-5);
}

.insight-card-meta {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-3);
}

.insight-card-date {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--c-subtle);
  letter-spacing: 0.05em;
}

.insight-card-title {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--c-heading);
  line-height: 1.3;
  margin-bottom: var(--sp-2);
}

.insight-card-excerpt {
  font-size: 0.875rem;
  color: var(--c-graphite);
  line-height: 1.6;
}

/* =========================================================
   case study cards
   ========================================================= */
.case-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--sp-6);
  cursor: pointer;
  transition: all var(--t-base);
}

.case-card:hover {
  border-color: var(--c-border2);
  box-shadow: var(--sh-md);
  transform: translateY(-2px);
}

.case-sector {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-cyan);
  margin-bottom: var(--sp-3);
}

.case-title {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--c-heading);
  line-height: 1.25;
  margin-bottom: var(--sp-3);
}

.case-metrics {
  display: flex;
  gap: var(--sp-6);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--c-border);
}

.case-metric {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.case-metric-val {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--c-green);
}

.case-metric-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-subtle);
}

/* =========================================================
   industrial readiness score (unique component)
   ========================================================= */
.readiness-widget {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--sp-8);
}

.readiness-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--sp-6);
}

.readiness-score-circle {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 3px solid var(--c-green);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  box-shadow: var(--sh-glow-green);
  flex-shrink: 0;
}

.readiness-score-num {
  font-family: var(--font-head);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--c-green);
  line-height: 1;
}

.readiness-score-label {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--c-subtle);
}

.readiness-dimensions {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.readiness-dim {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--sp-2);
  align-items: center;
}

.readiness-dim-name {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-graphite);
}

.readiness-dim-score {
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--c-heading);
  text-align: right;
}

.readiness-bar-track {
  grid-column: 1 / -1;
  height: 4px;
  background: var(--c-border);
  border-radius: 2px;
  overflow: hidden;
}

.readiness-bar-fill {
  height: 100%;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--c-green), var(--c-cyan));
  transition: width 1.4s cubic-bezier(0.22,1,0.36,1);
}

/* =========================================================
   page hero (inner pages)
   ========================================================= */
.page-hero {
  padding: var(--sp-16) 0 var(--sp-12);
  border-bottom: 1px solid var(--c-border);
  position: relative;
  overflow: hidden;
}

.page-hero::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 40%;
  height: 100%;
  background: linear-gradient(135deg, transparent, rgba(0,201,141,0.03));
  pointer-events: none;
}

.page-hero .container { position: relative; z-index: 1; }

.page-hero-img {
  width: 100%;
  max-height: 360px;
  object-fit: cover;
  border-radius: var(--r-lg);
  margin-top: var(--sp-8);
  border: 1px solid var(--c-border);
}

/* =========================================================
   content article layout
   ========================================================= */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: var(--sp-12);
  align-items: start;
}

.article-body h2 { margin: var(--sp-8) 0 var(--sp-4); }
.article-body h3 { margin: var(--sp-6) 0 var(--sp-3); }
.article-body p  { margin-bottom: var(--sp-4); color: var(--c-text); line-height: 1.8; }
.article-body ul,
.article-body ol {
  padding-left: var(--sp-6);
  margin-bottom: var(--sp-4);
  list-style: disc;
  color: var(--c-text);
}
.article-body li { margin-bottom: var(--sp-2); line-height: 1.7; }

.article-aside {
  position: sticky;
  top: calc(var(--header-h) + var(--sp-6));
}

.aside-box {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--sp-5);
  margin-bottom: var(--sp-4);
}

.aside-box-title {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-subtle);
  margin-bottom: var(--sp-4);
}

.toc-list { list-style: none; }
.toc-list li { 
  padding: var(--sp-1) 0;
  border-bottom: 1px solid var(--c-border);
}
.toc-list li:last-child { border-bottom: none; }
.toc-list a {
  font-size: 0.85rem;
  color: var(--c-graphite);
  transition: color var(--t-fast);
  display: block;
  padding: var(--sp-1) 0;
}
.toc-list a:hover { color: var(--c-green); }
.toc-list a.active { color: var(--c-green); }

/* =========================================================
   solutions platform
   ========================================================= */
.solution-tier {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--sp-8);
  position: relative;
  transition: all var(--t-base);
}

.solution-tier.featured {
  border-color: rgba(0,201,141,0.4);
  background: linear-gradient(135deg, var(--c-surface2), var(--c-surface));
}

.solution-tier-badge {
  position: absolute;
  top: var(--sp-4);
  right: var(--sp-4);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: var(--r-sm);
  background: var(--c-green-bg);
  color: var(--c-green);
  border: 1px solid rgba(0,201,141,0.3);
}

.solution-tier-name {
  font-family: var(--font-head);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--c-heading);
  margin-bottom: var(--sp-2);
}

.solution-tier-desc {
  font-size: 0.9rem;
  color: var(--c-graphite);
  margin-bottom: var(--sp-6);
  line-height: 1.65;
}

.solution-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.solution-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  font-size: 0.9rem;
  color: var(--c-text);
}

.solution-feature-icon {
  color: var(--c-green);
  flex-shrink: 0;
  margin-top: 2px;
}

/* =========================================================
   FAQ
   ========================================================= */
.faq-item {
  border-bottom: 1px solid var(--c-border);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding: var(--sp-5) 0;
  cursor: pointer;
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--c-heading);
  transition: color var(--t-fast);
  width: 100%;
  text-align: left;
}

.faq-question:hover { color: var(--c-green); }

.faq-icon {
  flex-shrink: 0;
  transition: transform var(--t-base);
  color: var(--c-subtle);
}

.faq-item.open .faq-icon { transform: rotate(45deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--t-slow), padding var(--t-base);
}

.faq-answer-inner {
  padding-bottom: var(--sp-5);
  color: var(--c-graphite);
  font-size: 0.95rem;
  line-height: 1.75;
}

/* =========================================================
   contact
   ========================================================= */
.contact-form {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--sp-8);
}

.form-group {
  margin-bottom: var(--sp-5);
}

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-graphite);
  margin-bottom: var(--sp-2);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  background: var(--c-bg);
  border: 1px solid var(--c-border2);
  border-radius: var(--r-md);
  padding: var(--sp-3) var(--sp-4);
  color: var(--c-text);
  font-size: 0.95rem;
  transition: border-color var(--t-fast);
  outline: none;
  -webkit-appearance: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--c-green);
  box-shadow: 0 0 0 3px rgba(0,201,141,0.1);
}

.form-textarea { resize: vertical; min-height: 120px; }

/* =========================================================
   resource center
   ========================================================= */
.resource-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--sp-5);
  cursor: pointer;
  transition: all var(--t-base);
  display: flex;
  gap: var(--sp-4);
  align-items: flex-start;
}

.resource-card:hover {
  border-color: var(--c-border2);
  box-shadow: var(--sh-md);
}

.resource-type-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--r-md);
  background: var(--c-surface2);
  border: 1px solid var(--c-border2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-cyan);
  flex-shrink: 0;
}

.resource-title {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-heading);
  margin-bottom: var(--sp-1);
}

.resource-meta {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-subtle);
}

/* =========================================================
   trust bar
   ========================================================= */
.trust-bar {
  background: var(--c-surface);
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  padding: var(--sp-6) 0;
}

.trust-bar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-12);
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  color: var(--c-subtle);
  font-size: 0.85rem;
}

.trust-item svg { color: var(--c-green); }

/* =========================================================
   services
   ========================================================= */
.service-entry {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--sp-8);
  margin-bottom: var(--sp-6);
}

.service-label-code {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-green);
  margin-bottom: var(--sp-2);
}

.service-name {
  font-family: var(--font-head);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--c-heading);
  margin-bottom: var(--sp-2);
}

.service-audience {
  font-size: 0.85rem;
  color: var(--c-cyan);
  font-style: italic;
  margin-bottom: var(--sp-4);
}

.service-desc {
  color: var(--c-text);
  line-height: 1.75;
  margin-bottom: var(--sp-5);
}

.service-includes-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-subtle);
  margin-bottom: var(--sp-3);
}

.service-includes {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.service-includes li {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-2);
  font-size: 0.9rem;
  color: var(--c-text);
}

.service-includes li::before {
  content: '›';
  color: var(--c-green);
  font-family: var(--font-mono);
  flex-shrink: 0;
  margin-top: 1px;
}

.service-scope {
  margin-top: var(--sp-5);
  padding: var(--sp-4);
  background: var(--c-bg);
  border-radius: var(--r-md);
  border: 1px solid var(--c-border);
}

.service-scope-title {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-amber);
  margin-bottom: var(--sp-2);
}

.service-scope p {
  font-size: 0.875rem;
  color: var(--c-graphite);
  line-height: 1.65;
  margin-bottom: 0;
}

/* =========================================================
   legal pages
   ========================================================= */
.legal-body {
  max-width: 72ch;
}

.legal-body h2 { margin: var(--sp-8) 0 var(--sp-3); }
.legal-body h3 { margin: var(--sp-5) 0 var(--sp-2); color: var(--c-graphite); }
.legal-body p  { margin-bottom: var(--sp-4); line-height: 1.8; color: var(--c-text); }
.legal-body ul {
  padding-left: var(--sp-5);
  margin-bottom: var(--sp-4);
  list-style: disc;
  color: var(--c-text);
}
.legal-body li { margin-bottom: var(--sp-2); line-height: 1.7; }
.legal-body a  { color: var(--c-green); }
.legal-body a:hover { text-decoration: underline; }

.legal-updated {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--c-subtle);
  letter-spacing: 0.08em;
  padding: var(--sp-3) var(--sp-4);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  display: inline-block;
  margin-bottom: var(--sp-6);
}

/* =========================================================
   visualizer / interactive tools
   ========================================================= */
.tool-container {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin: var(--sp-8) 0;
}

.tool-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-4) var(--sp-6);
  background: var(--c-surface2);
  border-bottom: 1px solid var(--c-border);
}

.tool-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-graphite);
}

.tool-body {
  padding: var(--sp-6);
}

.grid-viz {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 4px;
  margin-bottom: var(--sp-6);
}

.grid-node {
  aspect-ratio: 1;
  border-radius: var(--r-sm);
  background: var(--c-border);
  border: 1px solid var(--c-muted);
  cursor: pointer;
  transition: all var(--t-fast);
  position: relative;
}

.grid-node.active {
  background: rgba(0,201,141,0.2);
  border-color: var(--c-green);
  box-shadow: 0 0 8px rgba(0,201,141,0.2);
}

.grid-node.warning {
  background: rgba(245,166,35,0.2);
  border-color: var(--c-amber);
}

.grid-node.critical {
  background: rgba(224,82,82,0.2);
  border-color: var(--c-red);
}

.grid-node:hover {
  transform: scale(1.1);
  z-index: 1;
}

.grid-legend {
  display: flex;
  gap: var(--sp-6);
  flex-wrap: wrap;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-graphite);
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 2px;
}

.legend-dot.green  { background: rgba(0,201,141,0.4); border: 1px solid var(--c-green); }
.legend-dot.amber  { background: rgba(245,166,35,0.4); border: 1px solid var(--c-amber); }
.legend-dot.red    { background: rgba(224,82,82,0.4);  border: 1px solid var(--c-red); }
.legend-dot.muted  { background: var(--c-border); border: 1px solid var(--c-muted); }

/* =========================================================
   footer
   ========================================================= */
footer {
  background: var(--c-surface);
  border-top: 1px solid var(--c-border);
  padding: var(--sp-16) 0 var(--sp-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 220px repeat(4, 1fr);
  gap: var(--sp-10);
  padding-bottom: var(--sp-10);
  border-bottom: 1px solid var(--c-border);
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--c-graphite);
  line-height: 1.65;
  margin-top: var(--sp-4);
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-subtle);
  margin-bottom: var(--sp-4);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.footer-col a {
  font-size: 0.875rem;
  color: var(--c-graphite);
  transition: color var(--t-fast);
}

.footer-col a:hover { color: var(--c-green); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--sp-6);
  flex-wrap: wrap;
  gap: var(--sp-4);
}

.footer-legal {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--c-subtle);
}

.footer-compliance {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  flex-wrap: wrap;
}

.footer-compliance a {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-subtle);
  transition: color var(--t-fast);
}

.footer-compliance a:hover { color: var(--c-text); }

/* =========================================================
   cookie banner
   ========================================================= */
#cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: var(--z-top);
  background: var(--c-surface2);
  border-top: 1px solid var(--c-border2);
  transform: translateY(100%);
  transition: transform var(--t-slow);
  box-shadow: 0 -4px 24px rgba(0,0,0,0.4);
}

#cookie-banner.visible {
  transform: translateY(0);
}

.cookie-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-6);
  padding: var(--sp-5) var(--sp-6);
  max-width: var(--container);
  margin: 0 auto;
  flex-wrap: wrap;
}

.cookie-text {
  font-size: 0.875rem;
  color: var(--c-graphite);
  line-height: 1.5;
  margin: 0;
  max-width: 55ch;
}

.cookie-text a {
  color: var(--c-green);
}

.cookie-text a:hover { text-decoration: underline; }

.cookie-actions {
  display: flex;
  gap: var(--sp-3);
  flex-shrink: 0;
}

#cookie-decline {
  padding: var(--sp-2) var(--sp-5);
  border: 1px solid var(--c-border2);
  border-radius: var(--r-md);
  color: var(--c-graphite);
  font-size: 0.875rem;
  transition: all var(--t-fast);
  background: transparent;
}

#cookie-decline:hover { border-color: var(--c-subtle); color: var(--c-text); }

#cookie-accept {
  padding: var(--sp-2) var(--sp-5);
  background: var(--c-green);
  color: #000;
  border-radius: var(--r-md);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--t-fast);
  border: none;
}

#cookie-accept:hover { background: #00e0a0; }

/* =========================================================
   back to top
   ========================================================= */
#back-to-top {
  position: fixed;
  bottom: var(--sp-8);
  right: var(--sp-8);
  width: 40px;
  height: 40px;
  border-radius: var(--r-md);
  background: var(--c-surface2);
  border: 1px solid var(--c-border2);
  color: var(--c-graphite);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: var(--z-card);
  opacity: 0;
  transform: translateY(12px);
  transition: all var(--t-base);
  pointer-events: none;
}

#back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

#back-to-top:hover {
  border-color: var(--c-green);
  color: var(--c-green);
}

/* =========================================================
   animations
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--t-slow), transform var(--t-slow);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }
.reveal-delay-4 { transition-delay: 400ms; }

/* =========================================================
   responsive
   ========================================================= */
@media (max-width: 1100px) {
  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
  .article-layout {
    grid-template-columns: 1fr;
  }
  .article-aside { position: static; }
}

@media (max-width: 900px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .status-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-metrics { gap: var(--sp-6); }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-actions { display: none; }
  .hamburger { display: flex; }
  .mobile-menu { display: block; }

  .home-hero { padding: var(--sp-12) 0 var(--sp-10); }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .section { padding: var(--sp-12) 0; }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--sp-8); }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .status-grid { grid-template-columns: 1fr 1fr; }
  .cookie-inner { flex-direction: column; align-items: flex-start; }
  .trust-bar-inner { gap: var(--sp-6); }
}

@media (max-width: 480px) {
  :root { --container: 100%; }
  .container { padding: 0 var(--sp-4); }
  .status-grid { grid-template-columns: 1fr; }
  .hero-metrics { flex-direction: column; gap: var(--sp-4); }
  .footer-grid { grid-template-columns: 1fr; }
  .case-metrics { flex-direction: column; gap: var(--sp-4); }
}