/* ============================================================
   Troverlo × Samsung Next — one-page microsite
   Dark editorial. Deep-space navy surface + Samsung-inspired
   blue accent for the observation motif. Serif hero, sans body.
   ============================================================ */

:root {
  /* Type scale */
  --text-xs:   clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem + 0.5vw, 1.375rem);
  --text-xl:   clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem, 1.4rem + 2.4vw, 3.5rem);
  --text-hero: clamp(2.5rem, 1.5rem + 4vw, 5.5rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Color — deep observation-network palette */
  --color-bg:            #0a0d14;
  --color-surface:       #10141d;
  --color-surface-2:     #161b26;
  --color-surface-3:     #1c2230;
  --color-divider:       #232a38;
  --color-border:        #2b3346;
  --color-text:          #e6ebf5;
  --color-text-muted:    #98a3ba;
  --color-text-faint:    #616c82;
  --color-primary:       #54a3ff;   /* observation blue */
  --color-primary-soft:  #7fb8ff;
  --color-primary-dim:   rgba(84, 163, 255, 0.15);
  --color-accent:        #b9d4ff;

  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --content-narrow: 720px;
  --content-default: 1120px;

  --transition: 220ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100dvh;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  font-weight: 400;
  overflow-x: hidden;
}

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

a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary); }

p { text-wrap: pretty; max-width: 68ch; color: var(--color-text-muted); }

em { font-style: italic; color: var(--color-accent); }

h1, h2, h3 {
  text-wrap: balance;
  line-height: 1.1;
  color: var(--color-text);
  font-weight: 400;
}

::selection { background: var(--color-primary-dim); color: var(--color-text); }

/* ============================================================
   Layout
   ============================================================ */

.container {
  width: 100%;
  max-width: var(--content-default);
  margin: 0 auto;
  padding-inline: clamp(var(--space-5), 5vw, var(--space-10));
}
.container.narrow { max-width: var(--content-narrow); }

.section {
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
  position: relative;
}

.section + .section { border-top: 1px solid var(--color-divider); }

.section-tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-6);
}

.section h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-6);
}

.section p + p { margin-top: var(--space-4); }

/* ============================================================
   Header
   ============================================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) clamp(var(--space-5), 5vw, var(--space-10));
  background: rgba(10, 13, 20, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-divider);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
  color: var(--color-primary);
}
.brand svg { color: var(--color-primary); }

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.site-nav a { transition: color var(--transition); }
.site-nav a:hover { color: var(--color-text); }
.site-nav .cta-link {
  color: var(--color-primary);
  font-weight: 500;
}

@media (max-width: 780px) {
  .site-nav a:not(.cta-link) { display: none; }
}

/* ============================================================
   Hero
   ============================================================ */

.hero {
  position: relative;
  padding-block: clamp(var(--space-20), 14vw, var(--space-32));
  overflow: hidden;
}

.hero .container { position: relative; z-index: 2; max-width: var(--content-default); }

.eyebrow {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-8);
  background: rgba(84, 163, 255, 0.05);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.02;
  max-width: 16ch;
  margin-bottom: var(--space-8);
}
.hero h1 em {
  font-style: italic;
  color: var(--color-primary);
  display: block;
}

.lede {
  font-size: var(--text-lg);
  color: var(--color-text);
  max-width: 62ch;
  font-weight: 300;
  line-height: 1.5;
  margin-bottom: var(--space-12);
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-divider);
  max-width: 720px;
}
.meta-item { display: flex; flex-direction: column; gap: var(--space-1); }
.meta-label {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.meta-value {
  font-size: var(--text-sm);
  color: var(--color-text);
  font-weight: 500;
}

@media (max-width: 640px) {
  .hero-meta { grid-template-columns: 1fr; gap: var(--space-4); }
}

/* Hero background — grid + glow */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}
.grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(84, 163, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(84, 163, 255, 0.06) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 60% at 70% 30%, black 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 70% 30%, black 40%, transparent 100%);
}
.glow {
  position: absolute;
  top: -10%;
  right: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(84, 163, 255, 0.15) 0%, rgba(84, 163, 255, 0) 60%);
  filter: blur(40px);
}

/* ============================================================
   Thesis + generic sections
   ============================================================ */

.thesis p, .advantage p { font-size: var(--text-base); color: var(--color-text); line-height: 1.7; max-width: 66ch; }
.thesis a, .advantage a { color: var(--color-primary); border-bottom: 1px solid rgba(84,163,255,0.4); }
.thesis a:hover, .advantage a:hover { color: var(--color-primary-soft); border-color: var(--color-primary-soft); }

/* ============================================================
   CONNECTION GAP — the killer stat + metric strip
   ============================================================ */

.gap-hero {
  display: grid;
  grid-template-columns: minmax(280px, 380px) 1fr;
  gap: clamp(var(--space-8), 6vw, var(--space-16));
  align-items: start;
  margin-bottom: var(--space-16);
}
@media (max-width: 900px) {
  .gap-hero { grid-template-columns: 1fr; }
}

.gap-stat {
  background: linear-gradient(180deg, var(--color-surface-2), var(--color-surface));
  border: 1px solid rgba(84, 163, 255, 0.35);
  border-radius: var(--radius-lg);
  padding: var(--space-10) var(--space-8);
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 60px -20px rgba(84, 163, 255, 0.25);
}
.gap-stat::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 20%, rgba(84, 163, 255, 0.15), transparent 60%);
  pointer-events: none;
}

.stat-value {
  position: relative;
  font-family: var(--font-display);
  font-size: clamp(4rem, 3rem + 6vw, 7.5rem);
  font-weight: 400;
  line-height: 0.95;
  color: var(--color-primary);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-5);
}
.stat-unit {
  font-size: 0.5em;
  color: var(--color-primary-soft);
  margin-left: 0.05em;
}
.stat-caption {
  position: relative;
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.55;
  max-width: 34ch;
}

.gap-copy h2 { margin-bottom: var(--space-5); }
.gap-copy p {
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.7;
}
.gap-copy p + p { margin-top: var(--space-4); }
.gap-copy a {
  color: var(--color-primary);
  border-bottom: 1px solid rgba(84, 163, 255, 0.4);
}
.gap-copy a:hover { color: var(--color-primary-soft); border-color: var(--color-primary-soft); }

.gap-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  padding-top: var(--space-10);
  border-top: 1px solid var(--color-divider);
}
@media (max-width: 780px) {
  .gap-metrics { grid-template-columns: repeat(2, 1fr); }
}

.metric {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), transform var(--transition);
}
.metric:hover { border-color: rgba(84, 163, 255, 0.35); transform: translateY(-2px); }
.metric.highlight {
  background: linear-gradient(180deg, rgba(84, 163, 255, 0.12), var(--color-surface));
  border-color: rgba(84, 163, 255, 0.45);
}

.metric-num {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
  line-height: 1;
}
.metric.highlight .metric-num { color: var(--color-primary-soft); }
.metric-label {
  font-size: var(--text-xs);
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* ============================================================
   NETWORK EFFECT — orbital node diagram
   ============================================================ */

.network h2 { max-width: 26ch; margin-bottom: var(--space-6); }
.network .lead-copy {
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.7;
  max-width: 66ch;
  margin-bottom: var(--space-16);
}
.network-close {
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.7;
  max-width: 66ch;
  margin-top: var(--space-16);
}

.network-diagram {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 2;
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}
@media (max-width: 640px) {
  .network-diagram { aspect-ratio: 4 / 3; }
}

.network-center {
  position: absolute;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle, rgba(84, 163, 255, 0.2), rgba(84, 163, 255, 0.05) 60%, transparent 80%);
  z-index: 2;
}
@media (max-width: 640px) {
  .network-center { width: 130px; height: 130px; }
}
.center-ring {
  position: absolute;
  inset: 20px;
  border-radius: 50%;
  border: 1.5px solid rgba(84, 163, 255, 0.6);
  box-shadow: 0 0 40px rgba(84, 163, 255, 0.3), inset 0 0 20px rgba(84, 163, 255, 0.15);
}
.center-label { text-align: center; z-index: 2; padding: var(--space-3); }
.center-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-primary-soft);
  line-height: 1;
  margin-bottom: 4px;
}
.center-sub {
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  line-height: 1.3;
}

.network-nodes {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.node {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  min-width: 130px;
  max-width: 160px;
  text-align: center;
  pointer-events: auto;
  transition: border-color var(--transition), transform var(--transition);
}
.node:hover { border-color: rgba(84, 163, 255, 0.5); transform: translateY(-2px); }
.node::before {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 12px rgba(84, 163, 255, 0.6);
  top: -4px;
  left: 50%;
  transform: translateX(-50%);
}
.node.samsung {
  background: linear-gradient(180deg, rgba(84, 163, 255, 0.15), var(--color-surface));
  border-color: rgba(84, 163, 255, 0.5);
  box-shadow: 0 0 30px -8px rgba(84, 163, 255, 0.4);
}
.node-label {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.2;
  margin-bottom: 2px;
}
.node-sub {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
  line-height: 1.3;
}

/* Position 6 nodes around the center */
.node.n1 { top: 8%;  left: 12%; }
.node.n2 { top: 8%;  right: 12%; }
.node.n3 { top: 50%; left: 0%;  transform: translateY(-50%); }
.node.n4 { top: 50%; right: 0%; transform: translateY(-50%); }
.node.n5 { bottom: 8%; left: 12%; }
.node.n6 { bottom: 8%; right: 12%; }

.node.n3:hover { transform: translateY(-50%) translateX(-2px); }
.node.n4:hover { transform: translateY(-50%) translateX(2px); }

@media (max-width: 720px) {
  .network-diagram {
    aspect-ratio: auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
    padding-top: var(--space-8);
  }
  .network-center {
    position: relative;
    grid-column: 1 / -1;
    margin-inline: auto;
    margin-bottom: var(--space-4);
  }
  .network-nodes {
    position: static;
    display: contents;
  }
  .node, .node.n3, .node.n4 {
    position: static;
    transform: none;
    max-width: none;
    width: 100%;
  }
}

/* ============================================================
   Ceiling — split layout with rings viz
   ============================================================ */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-8), 6vw, var(--space-16));
  align-items: start;
}
@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; }
}

.split-copy h2 { margin-bottom: var(--space-6); }
.split-copy p { font-size: var(--text-base); color: var(--color-text); line-height: 1.7; }

.split-viz {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.viz-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  position: relative;
  overflow: hidden;
}
.viz-card.highlight {
  border-color: rgba(84, 163, 255, 0.4);
  background: linear-gradient(180deg, var(--color-surface-2), var(--color-surface));
  box-shadow: 0 0 0 1px rgba(84, 163, 255, 0.08), 0 20px 60px -20px rgba(84, 163, 255, 0.25);
}

.viz-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: var(--space-6);
}
.viz-header span:first-child {
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  font-weight: 500;
}
.viz-metric {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-primary);
}
.viz-card.highlight .viz-metric { color: var(--color-primary-soft); }

.viz-caption {
  margin-top: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* Ring visualization */
.ring-viz {
  position: relative;
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ring-viz .dot {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(84, 163, 255, 0.2), 0 0 20px rgba(84, 163, 255, 0.6);
  z-index: 2;
}
.ring-viz .ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(84, 163, 255, 0.35);
}

.ring-viz.small .r1 { width: 60px; height: 60px; opacity: 0.9; }
.ring-viz.small .r2 { width: 110px; height: 110px; opacity: 0.5; }

.ring-viz.large .r1 { width: 50px; height: 50px; opacity: 1; }
.ring-viz.large .r2 { width: 100px; height: 100px; opacity: 0.7; }
.ring-viz.large .r3 { width: 160px; height: 160px; opacity: 0.45; }
.ring-viz.large .r4 { width: 230px; height: 230px; opacity: 0.25; }

.ring-viz.large .ring {
  animation: pulse 3.5s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}
.ring-viz.large .r2 { animation-delay: 0.5s; }
.ring-viz.large .r3 { animation-delay: 1s; }
.ring-viz.large .r4 { animation-delay: 1.5s; }

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@media (prefers-reduced-motion: reduce) {
  .ring-viz.large .ring { animation: none; }
}

/* ============================================================
   Benefits grid
   ============================================================ */

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-auto-rows: 1fr;
  gap: var(--space-5);
  margin-top: var(--space-10);
}
@media (max-width: 780px) {
  .benefit-grid { grid-template-columns: 1fr; }
}

.benefit {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: border-color var(--transition), transform var(--transition);
}
.benefit.lead {
  grid-column: 1 / -1;
  background: linear-gradient(180deg, rgba(84, 163, 255, 0.10), var(--color-surface));
  border-color: rgba(84, 163, 255, 0.4);
}
.benefit.lead h3 { font-size: var(--text-2xl); color: var(--color-primary-soft); max-width: 22ch; }
.benefit.lead p { font-size: var(--text-base); color: var(--color-text); max-width: 62ch; line-height: 1.65; }
.benefit:hover {
  border-color: rgba(84, 163, 255, 0.4);
  transform: translateY(-2px);
}

.benefit-num {
  display: block;
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-lg);
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.benefit h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  margin-bottom: var(--space-3);
}
.benefit p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ============================================================
   Three paths
   ============================================================ */

.path-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-top: var(--space-10);
}

.path {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: var(--space-8);
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition);
}
.path:hover { border-color: rgba(84, 163, 255, 0.3); }

.path-index {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-lg);
  color: var(--color-primary);
  letter-spacing: 0.02em;
}
.path h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  margin-bottom: var(--space-3);
}
.path p { font-size: var(--text-base); color: var(--color-text-muted); }

@media (max-width: 780px) {
  .path { grid-template-columns: 1fr; gap: var(--space-3); padding: var(--space-6); }
}

/* ============================================================
   Advantage
   ============================================================ */

.advantage { background: var(--color-surface); }
.advantage h2 { max-width: 22ch; }

/* ============================================================
   Contact
   ============================================================ */

.contact { padding-block: clamp(var(--space-16), 10vw, var(--space-24)); }
.contact h2 {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 400;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.contact p { font-size: var(--text-base); color: var(--color-text); }

.signature-card {
  margin-top: var(--space-12);
  padding: var(--space-8);
  background: linear-gradient(180deg, var(--color-surface-2), var(--color-surface));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-8);
  align-items: center;
}
@media (max-width: 780px) {
  .signature-card { grid-template-columns: 1fr; gap: var(--space-6); }
}

.sig-name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text);
  margin-bottom: 4px;
}
.sig-role {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}
.sig-lines {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  align-items: center;
}
.sig-lines a { color: var(--color-primary); }
.sig-lines span { color: var(--color-text-faint); }

.sig-ip {
  padding-inline-start: var(--space-8);
  border-left: 1px solid var(--color-divider);
}
@media (max-width: 780px) {
  .sig-ip { padding-inline-start: 0; padding-top: var(--space-6); border-left: 0; border-top: 1px solid var(--color-divider); }
}

.ip-label {
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-2);
}
.ip-value { font-size: var(--text-sm); color: var(--color-text); font-weight: 500; }

/* ============================================================
   Footer
   ============================================================ */

.site-footer {
  padding-block: var(--space-8);
  border-top: 1px solid var(--color-divider);
  background: var(--color-bg);
}
.site-footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.04em;
}
.site-footer a { color: var(--color-primary); }
.site-footer a:hover { color: var(--color-primary-soft); }

/* ============================================================
   Reveal on scroll
   ============================================================ */

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 800ms cubic-bezier(0.16, 1, 0.3, 1), transform 800ms cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}