/* ─────────────────────────────────────────────────────────────────
   SATS — global stylesheet
   Dark + signal-orange. Premium, dignified, minimal-futurist.
   ───────────────────────────────────────────────────────────────── */

:root {
  --bg:           #0a0a0a;
  --bg-soft:      #111111;
  --bg-elev:      #161616;
  --bg-card:      #0e0e0e;
  --fg:           #f5f5f5;
  --fg-muted:     #b4b4b4;
  --fg-subtle:    #6b6b6b;
  --line:         rgba(255, 255, 255, 0.06);
  --line-strong:  rgba(255, 255, 255, 0.10);

  --accent:       #FF8C00;
  --accent-soft:  rgba(255, 140, 0, 0.12);
  --accent-line:  rgba(255, 140, 0, 0.22);
  --accent-glow:  rgba(255, 140, 0, 0.35);
  --accent-text:  #000;

  --red:          #DC2626;
  --red-soft:     rgba(220, 38, 38, 0.12);
  --red-line:     rgba(220, 38, 38, 0.28);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Fira Code', ui-monospace, 'SF Mono', Menlo, monospace;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;

  --maxw: 1240px;

  /* tweakable */
  --motion-intensity: 1;
  --decrypt-duration: 1100ms;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--fg);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "cv11";
}

a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
ul { list-style: none; }
img, svg { display: block; max-width: 100%; }

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

/* scrollbar (subtle) */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: rgba(255, 140, 0, 0.18);
  border-radius: 10px;
  border: 2px solid var(--bg);
}
::-webkit-scrollbar-thumb:hover { background: rgba(255, 140, 0, 0.32); }

/* ────────── Reusable type ────────── */

.mono { font-family: var(--font-mono); font-feature-settings: "ss03"; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}
.eyebrow::before {
  content: '';
  width: 18px;
  height: 1px;
  background: var(--accent);
  display: inline-block;
}

.section-title {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-top: 0.8rem;
  margin-bottom: 1.5rem;
}
.section-title .accent { color: var(--accent); font-weight: 400; }

.section-intro {
  font-size: 1.05rem;
  color: var(--fg-muted);
  max-width: 64ch;
  line-height: 1.7;
}

/* scramble character — kept neutral but adds tiny glow */
.scramble-char {
  display: inline-block;
  color: var(--accent);
  opacity: 0.9;
}

/* ────────── Header ────────── */

header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding: 0.9rem 0;
  background: rgba(10, 10, 10, 0.72);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid var(--line);
  transition: transform 0.4s ease, background 0.3s ease;
}
header.scrolled { background: rgba(10, 10, 10, 0.92); }
header.hidden { transform: translateY(-100%); }

nav {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.logo {
  font-size: 1.25rem;
  font-weight: 300;
  letter-spacing: 0.32em;
  font-feature-settings: "ss01";
}
.logo .s-gold { color: var(--accent); }
.logo .tick { color: var(--fg-subtle); margin-left: 0.6rem; font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.15em; }

.nav-cluster { display: flex; align-items: center; gap: 2rem; }

.nav-links {
  display: flex;
  gap: 1.8rem;
  align-items: center;
}
.nav-links a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--fg-muted);
  transition: color 0.2s;
  position: relative;
  padding: 0.3rem 0;
}
.nav-links a:hover, .nav-links a.active { color: var(--fg); }
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width 0.3s;
}
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

/* Language switcher */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 2px;
  font-family: var(--font-mono);
}
.lang-switch button {
  background: transparent;
  border: 0;
  color: var(--fg-subtle);
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  transition: all 0.25s;
}
.lang-switch button:hover { color: var(--fg); }
.lang-switch button.active {
  background: var(--accent);
  color: #000;
  font-weight: 600;
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: 0;
  width: 32px;
  height: 32px;
  position: relative;
}
.mobile-toggle span {
  position: absolute;
  left: 6px; right: 6px;
  height: 1.5px;
  background: var(--fg);
  transition: 0.3s;
}
.mobile-toggle span:nth-child(1) { top: 11px; }
.mobile-toggle span:nth-child(2) { top: 16px; }
.mobile-toggle span:nth-child(3) { top: 21px; }
.mobile-toggle.open span:nth-child(1) { top: 16px; transform: rotate(45deg); }
.mobile-toggle.open span:nth-child(2) { opacity: 0; }
.mobile-toggle.open span:nth-child(3) { top: 16px; transform: rotate(-45deg); }

/* ────────── Hero ────────── */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 8rem 1.5rem 6rem;
}

#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: calc(0.75 * var(--motion-intensity));
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 40%, rgba(255, 140, 0, 0.06), transparent 60%),
    radial-gradient(ellipse 80% 50% at 50% 100%, rgba(255, 140, 0, 0.04), transparent 70%);
  pointer-events: none;
  z-index: 1;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black, transparent 80%);
  z-index: 1;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 900px;
  text-align: center;
}

.hero-eyebrow {
  margin-bottom: 2rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  color: var(--fg-subtle);
  text-transform: uppercase;
  display: inline-flex;
  gap: 0.8rem;
  align-items: center;
}
.hero-eyebrow .dot {
  width: 7px; height: 7px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--accent-glow);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

.hero-logo {
  font-size: clamp(4rem, 13vw, 9rem);
  font-weight: 200;
  letter-spacing: 0.18em;
  line-height: 1;
  margin: 0 0 1.5rem;
  text-indent: 0.18em; /* compensate for trailing letter-spacing visual centering */
}
.hero-logo .s-gold {
  color: var(--accent);
  text-shadow: 0 0 24px rgba(255, 140, 0, 0.45),
               0 0 60px rgba(255, 140, 0, 0.2);
}

.hero-tagline {
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 1.3vw, 1.1rem);
  color: var(--accent);
  letter-spacing: 0.06em;
  margin-bottom: 2rem;
}

.hero-description {
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 56ch;
  margin: 0 auto 2.8rem;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Hero live block feed */
.block-feed {
  position: absolute;
  top: 50%;
  right: 2.5rem;
  transform: translateY(-50%);
  z-index: 3;
  width: 220px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--fg-muted);
  display: flex;
  flex-direction: column;
  gap: 0;
  pointer-events: none;
  opacity: calc(var(--motion-intensity));
}
.block-feed-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fg-subtle);
  padding: 0 0 0.6rem 0;
  border-bottom: 1px solid var(--line);
  margin-bottom: 0.4rem;
}
.block-feed-label .live {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--accent);
}
.block-feed-label .live::before {
  content: '';
  width: 5px; height: 5px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 1.6s infinite;
}
.block-feed-list {
  position: relative;
  height: 200px;
  overflow: hidden;
}
.block-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--line);
  animation: blockIn 0.7s ease-out;
}
.block-row .top {
  display: flex;
  justify-content: space-between;
  color: var(--fg);
  font-size: 0.7rem;
}
.block-row .top .num { color: var(--accent); }
.block-row .hash {
  color: var(--fg-subtle);
  font-size: 0.62rem;
  letter-spacing: 0;
}
@keyframes blockIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ────────── Buttons ────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.95rem 1.6rem;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: #000;
  border: 1px solid var(--accent);
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
  min-height: 48px;
  cursor: pointer;
}
.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px var(--accent-soft), 0 0 0 1px var(--accent);
}
.btn .arrow {
  font-family: var(--font-mono);
  transition: transform 0.25s;
}
.btn:hover .arrow { transform: translateX(3px); }

.btn-outline {
  background: transparent;
  color: var(--fg);
  border-color: var(--line-strong);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: none;
}

.btn-red {
  background: var(--red);
  border-color: var(--red);
  color: #fff;
}
.btn-red:hover { box-shadow: 0 8px 24px rgba(220, 38, 38, 0.3), 0 0 0 1px var(--red); }

/* ────────── Sections ────────── */

.section {
  position: relative;
  padding: 7rem 1.5rem;
}
.section-inner {
  max-width: var(--maxw);
  margin: 0 auto;
}
.section-head {
  margin-bottom: 4rem;
  max-width: 800px;
}
.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.section-head.center .eyebrow { justify-content: center; }

/* block divider between sections */
.block-divider {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--fg-subtle);
  border-top: 1px solid var(--line);
  padding-top: 1.2rem;
}
.block-divider .num { color: var(--accent); }
.block-divider .hash { color: var(--fg-muted); }
.block-divider .spacer { flex: 1; border-top: 1px dashed var(--line); height: 1px; }
.block-divider .ts { color: var(--fg-subtle); }

/* ────────── About ────────── */

.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4rem;
  align-items: flex-start;
}

.about-name {
  font-size: 1.6rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: 1rem;
  color: var(--fg);
}
.about-name::after {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--accent);
  margin-top: 0.8rem;
}

.about-bio {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--fg-muted);
  margin-bottom: 2rem;
}

.global-badge {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 1.3rem;
  border: 1px solid var(--accent-line);
  border-radius: 999px;
  background: var(--accent-soft);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}
.global-badge .gb-title {
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.7rem;
}
.global-badge .gb-langs {
  color: var(--fg);
  letter-spacing: 0.04em;
}

.credentials {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.credential {
  position: relative;
  padding: 1.6rem 1.4rem;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transition: border-color 0.3s, transform 0.3s;
}
.credential:hover {
  border-color: var(--accent-line);
  transform: translateY(-2px);
}
.credential .num {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 0.8rem;
  display: block;
}
.credential h4 {
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--fg);
}
.credential p {
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--fg-muted);
}

/* ────────── Services ────────── */

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.service-card {
  position: relative;
  padding: 1.8rem 1.6rem;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  min-height: 240px;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.service-card:hover {
  border-color: var(--accent-line);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
}
.service-card:hover::before { opacity: 1; }

.service-card .marker {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.service-card .marker .duration {
  color: var(--fg-subtle);
  font-size: 0.68rem;
}
.service-card h3 {
  font-size: 1.3rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--fg);
  margin-bottom: 0.8rem;
}
.service-card p {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--fg-muted);
  flex: 1;
}

/* Trace card (red variant) */
.service-card.trace {
  grid-column: span 3;
  border-color: var(--red-line);
  background: linear-gradient(135deg, rgba(220, 38, 38, 0.04), var(--bg-card));
  min-height: 0;
}
.service-card.trace::before {
  background: linear-gradient(90deg, transparent, var(--red), transparent);
  opacity: 1;
}
.service-card.trace:hover {
  border-color: var(--red);
  box-shadow: 0 12px 32px rgba(220, 38, 38, 0.18);
}
.trace-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}
.trace-left .marker {
  color: var(--red);
  margin-bottom: 1.2rem;
}
.trace-left .marker .duration { color: var(--fg-subtle); }
.trace-left h3 { color: var(--fg); }
.trace-left h3 .pill {
  display: inline-block;
  margin-left: 0.6rem;
  padding: 0.2rem 0.55rem;
  background: var(--red-soft);
  color: var(--red);
  border: 1px solid var(--red-line);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  vertical-align: middle;
}
.trace-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem 1.5rem;
  margin-top: 1.2rem;
}
.trace-list li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.88rem;
  color: var(--fg-muted);
  line-height: 1.5;
}
.trace-list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--red);
}
.trace-right {
  padding-left: 2rem;
  border-left: 1px solid var(--red-line);
}
.trace-price {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--red);
  margin-bottom: 0.4rem;
  letter-spacing: 0.02em;
}
.trace-price-note {
  font-size: 0.82rem;
  color: var(--fg-subtle);
  margin-bottom: 1.5rem;
  font-style: italic;
}

/* Featured */
.featured {
  margin-top: 2rem;
  padding: 3rem;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(ellipse 50% 80% at 0% 50%, rgba(255, 140, 0, 0.18), transparent 60%),
    linear-gradient(135deg, #1a1208, #0a0a0a);
  border: 1px solid var(--accent-line);
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2rem;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.featured::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}
.featured .eyebrow { color: var(--accent); margin-bottom: 1rem; }
.featured h3 {
  font-size: 2.4rem;
  font-weight: 300;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 0.8rem;
}
.featured p {
  color: var(--fg-muted);
  font-size: 1rem;
  line-height: 1.65;
  max-width: 52ch;
}
.featured .featured-cta-wrap {
  display: flex;
  justify-content: flex-end;
}

/* Enterprise / Speaking sub-sections share style */
.sub-section { margin-top: 6rem; }
.sub-head {
  text-align: center;
  margin-bottom: 3rem;
}
.sub-head h3 {
  font-size: clamp(1.6rem, 2.6vw, 2rem);
  font-weight: 300;
  letter-spacing: -0.01em;
  margin-top: 0.6rem;
  margin-bottom: 1rem;
}
.sub-head p {
  color: var(--fg-muted);
  max-width: 60ch;
  margin: 0 auto;
}

.benefits {
  margin-top: 2.5rem;
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}
.benefits h4 {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 1.4rem;
  letter-spacing: 0.04em;
}
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.9rem 2rem;
}
.benefit-item {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  font-size: 0.9rem;
  color: var(--fg-muted);
}
.benefit-item::before {
  content: '+';
  color: var(--accent);
  font-family: var(--font-mono);
  font-weight: 500;
}

.themes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 3rem;
}
.theme-card {
  padding: 1.4rem;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-left: 2px solid var(--accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  transition: all 0.25s;
}
.theme-card:hover {
  border-color: var(--accent-line);
  border-left-color: var(--accent);
  transform: translateX(3px);
}
.theme-card .marker {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  color: var(--fg-subtle);
  margin-bottom: 0.6rem;
}
.theme-card h4 {
  font-size: 0.98rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--fg);
}
.theme-card p {
  font-size: 0.84rem;
  line-height: 1.55;
  color: var(--fg-muted);
}

.formats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.format-card {
  padding: 1.8rem;
  text-align: left;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transition: all 0.3s;
  position: relative;
}
.format-card.highlight {
  border-color: var(--accent-line);
  background: linear-gradient(135deg, rgba(255, 140, 0, 0.04), var(--bg-card));
}
.format-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.format-card .marker {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 1rem;
}
.format-card h4 {
  font-size: 1.15rem;
  font-weight: 400;
  margin-bottom: 0.4rem;
  color: var(--fg);
}
.format-card .duration {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--fg-subtle);
  margin-bottom: 1rem;
}
.format-card p {
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--fg-muted);
}

.global-callout {
  margin-top: 2rem;
  padding: 1.5rem 2rem;
  border-radius: var(--radius-md);
  background: linear-gradient(90deg, var(--accent-soft), transparent);
  border: 1px solid var(--accent-line);
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.global-callout strong {
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.72rem;
}

/* CTA Strip */
.cta-strip {
  margin-top: 5rem;
  text-align: center;
  padding: 3rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
}
.cta-strip p {
  font-size: 1.15rem;
  color: var(--fg);
  margin-bottom: 1.5rem;
  font-weight: 300;
  letter-spacing: -0.01em;
}

/* ────────── Contact ────────── */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 3rem;
}
.contact-card {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1.8rem 1.4rem;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.contact-card::after {
  content: '↗';
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  font-family: var(--font-mono);
  color: var(--fg-subtle);
  transition: all 0.25s;
}
.contact-card:hover {
  border-color: var(--accent-line);
  transform: translateY(-3px);
}
.contact-card:hover::after {
  color: var(--accent);
  transform: translate(2px, -2px);
}
.contact-card .marker {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--accent);
}
.contact-card .label {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--fg);
}
.contact-card .value {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--fg-muted);
  word-break: break-word;
  margin-top: 0.4rem;
}

/* ────────── Footer ────────── */

footer {
  padding: 3rem 1.5rem 2rem;
  border-top: 1px solid var(--line);
  text-align: center;
}
.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
}
.footer-logo {
  font-size: 1.5rem;
  font-weight: 200;
  letter-spacing: 0.4em;
  margin-bottom: 1rem;
}
.footer-logo .s-gold { color: var(--accent); }
footer .meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--fg-subtle);
  letter-spacing: 0.04em;
}

/* ────────── Scroll reveal ────────── */
/* Crypto-scroll handles the actual entrance effect; .reveal is kept as a no-op
   marker so that legacy markup keeps rendering. */
.reveal {
  opacity: 1;
  transform: none;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ────────── Responsive ────────── */

@media (max-width: 1100px) {
  .block-feed { display: none; }
  .featured { grid-template-columns: 1fr; }
  .featured .featured-cta-wrap { justify-content: flex-start; }
}

@media (max-width: 900px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .service-card.trace { grid-column: span 2; }
  .trace-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .trace-right { padding-left: 0; border-left: 0; border-top: 1px solid var(--red-line); padding-top: 1.5rem; }
  .trace-list { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .credentials { grid-template-columns: 1fr 1fr; }
  .benefits-grid { grid-template-columns: 1fr 1fr; }
  .themes-grid { grid-template-columns: 1fr 1fr; }
  .formats-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    position: absolute;
    inset: 100% 0 auto 0;
    flex-direction: column;
    gap: 0;
    background: rgba(10, 10, 10, 0.98);
    padding: 1rem 1.5rem 1.5rem;
    border-bottom: 1px solid var(--line);
  }
  .nav-links.open a {
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--line);
  }
  .lang-switch { order: 3; }
  .mobile-toggle { display: block; }

  .section { padding: 5rem 1.25rem; }
  .section-head { margin-bottom: 2.5rem; }

  .hero { padding: 7rem 1.25rem 4rem; min-height: auto; }
  .hero-buttons { flex-direction: column; align-items: stretch; }
  .hero-buttons .btn { width: 100%; }

  .services-grid { grid-template-columns: 1fr; }
  .service-card.trace { grid-column: span 1; }

  .credentials { grid-template-columns: 1fr; }
  .benefits-grid { grid-template-columns: 1fr; }
  .themes-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }

  .featured { padding: 2rem; }
  .featured h3 { font-size: 1.8rem; }

  .cta-strip { padding: 2rem 1.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, ::before, ::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}