:root {
  --accent: #00A6E0;
  --accent-2: #0061d5;
  --accent-soft: rgba(0, 166, 224, 0.10);

  --bg:       #F5F8FB;
  --surface:  #FFFFFF;
  --surface-2:#F2F6FA;
  --surface-3:#E6EEF5;

  --ink:      #0B1A33;
  --ink-soft: #3A4A66;
  --ink-mute: #6B7A90;

  --line:   #E6ECF2;
  --line-2: #D6DFE8;

  --navy-0: #0B1A33;
  --navy-1: #11223F;
  --navy-2: #1A2B4A;

  --radius-sm: 10px;
  --radius:    16px;
  --radius-lg: 24px;

  --shadow-sm: 0 1px 2px rgba(11,26,51,0.04), 0 1px 1px rgba(11,26,51,0.03);
  --shadow-md: 0 8px 24px -10px rgba(11,26,51,0.15), 0 2px 6px rgba(11,26,51,0.05);
  --shadow-lg: 0 30px 60px -30px rgba(11,26,51,0.35), 0 12px 24px -12px rgba(11,26,51,0.12);

  --font-display: 'Sora', 'Inter', system-ui, sans-serif;
  --font-ui: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
}

[data-theme="dark"] {
  --bg:       #0B1A33;
  --surface:  #11223F;
  --surface-2:#15284A;
  --surface-3:#1C3158;

  --ink:      #EAF2FB;
  --ink-soft: #AEC1DD;
  --ink-mute: #7E93B3;

  --line:   #1F3561;
  --line-2: #2A4278;

  --accent-soft: rgba(0, 166, 224, 0.14);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-ui);
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "ss01","cv11";
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

.sb-mono { font-family: var(--font-mono); letter-spacing: -0.01em; }
.sb-accent { color: var(--accent); }
.sb-muted { color: var(--ink-soft); }
.sb-muted-soft { color: var(--ink-mute); font-weight: 400; }

/* ========== TYPO ========== */
.sb-h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4.2vw, 54px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 700;
  margin: 0;
  text-wrap: pretty;
  max-width: 22ch;
}
.sb-h2--onDark { color: var(--ink); }
[data-theme="dark"] .sb-h2--onDark,
.sb-tech .sb-h2 { color: #EAF2FB; }

.sb-h3 {
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.25;
  letter-spacing: -0.01em;
  font-weight: 600;
  margin: 10px 0 6px;
}
.sb-h3--sm { font-size: 17px; }

.sb-eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  background: var(--accent-soft);
  border-radius: 999px;
  margin-bottom: 18px;
}
.sb-eyebrow--onDark { background: rgba(255,255,255,0.08); color: #8dd7f5; }

/* ========== LAYOUT UTILS ========== */
.sb-section__head {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px 40px;
}

/* ========== NAV ========== */
.sb-nav {
  position: sticky; top: 0; z-index: 50;
  transition: background 200ms ease, border-color 200ms ease, backdrop-filter 200ms ease;
  border-bottom: 1px solid transparent;
}
.sb-nav--scrolled {
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--line);
}
.sb-nav__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px 32px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 32px;
}
.sb-logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; }
.sb-logo__mark { display: inline-flex; }
.sb-logo__text { font-family: var(--font-display); font-size: 18px; letter-spacing: -0.01em; }
.sb-nav__links { display: flex; gap: 28px; justify-self: center; font-size: 14px; color: var(--ink-soft); }
.sb-nav__links a { transition: color 150ms; }
.sb-nav__links a:hover { color: var(--ink); }
.sb-nav__cta { display: flex; gap: 8px; align-items: center; }

.sb-icon-btn {
  width: 36px; height: 36px; border-radius: 10px;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--ink-soft);
  transition: background 150ms, color 150ms;
}
.sb-icon-btn:hover { background: var(--surface-2); color: var(--ink); }

/* ========== BUTTONS ========== */
.sb-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 16px;
  font-weight: 600;
  font-size: 14px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform 120ms ease, background 150ms, border-color 150ms, box-shadow 150ms;
  cursor: pointer;
  text-decoration: none;
}
a.sb-btn { text-decoration: none; }
.sb-btn:active { transform: translateY(1px); }
.sb-btn--primary {
  background: var(--accent);
  color: white;
  box-shadow: 0 1px 0 rgba(255,255,255,0.25) inset, 0 8px 20px -8px rgba(0,166,224,0.6);
}
.sb-btn--primary:hover { background: color-mix(in srgb, var(--accent) 90%, black); }
.sb-btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-2);
}
.sb-btn--ghost:hover { background: var(--surface-2); }
.sb-btn--onDark { color: #EAF2FB; border-color: rgba(255,255,255,0.2); }
.sb-btn--onDark:hover { background: rgba(255,255,255,0.06); }
.sb-btn--lg { padding: 14px 22px; font-size: 15px; }

/* ========== HERO ========== */
.sb-hero { position: relative; overflow: hidden; }
.sb-hero__bg {
  position: absolute; inset: 0; pointer-events: none;
}
.sb-hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at 50% 0%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 0%, black 20%, transparent 70%);
  opacity: 0.5;
}
.sb-hero__glow {
  position: absolute; border-radius: 50%;
  filter: blur(80px); opacity: 0.5;
}
.sb-hero__glow--a {
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--accent) 0%, transparent 65%);
  top: -140px; right: -120px;
}
.sb-hero__glow--b {
  width: 440px; height: 440px;
  background: radial-gradient(circle, var(--accent-2) 0%, transparent 65%);
  top: 160px; left: -160px; opacity: 0.3;
}

.sb-hero__inner {
  position: relative;
  max-width: 1280px;
  margin: 0 auto;
  padding: 80px 32px 100px;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: center;
}
.sb-hero--centered .sb-hero__inner {
  grid-template-columns: 1fr;
  text-align: center;
  justify-items: center;
  padding-bottom: 120px;
}
.sb-hero--centered .sb-hero__art { display: none; }
.sb-hero--centered .sb-hero__title { max-width: 14ch; }
.sb-hero--centered .sb-hero__sub { max-width: 52ch; }
.sb-hero--centered .sb-hero__trust { justify-content: center; }

.sb-hero__title {
  font-family: var(--font-display);
  font-size: clamp(40px, 5.4vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  font-weight: 700;
  margin: 20px 0 22px;
  text-wrap: balance;
}
.sb-hero__sub {
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1.55;
  max-width: 46ch;
  margin: 0 0 28px;
}
.sb-hero__actions { display: flex; gap: 12px; flex-wrap: wrap; }

.sb-pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px 6px 8px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--line);
  font-size: 12px;
  color: var(--ink-soft);
  box-shadow: var(--shadow-sm);
}
.sb-pill__dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
  animation: sb-pulse 1.8s infinite;
}
@keyframes sb-pulse {
  0%,100% { box-shadow: 0 0 0 4px var(--accent-soft); }
  50%     { box-shadow: 0 0 0 7px rgba(0,166,224,0.04); }
}

.sb-hero__trust { display: flex; align-items: center; gap: 14px; margin-top: 32px; }
.sb-avatars { display: inline-flex; }
.sb-avatars span {
  width: 28px; height: 28px; border-radius: 50%;
  border: 2px solid var(--bg);
  margin-left: -8px;
}
.sb-avatars span:first-child { margin-left: 0; }
.sb-trust__stars { display: inline-flex; align-items: center; gap: 2px; color: #F5B700; }
.sb-trust__stars b { margin-left: 6px; color: var(--ink); font-size: 13px; }
.sb-trust__label { font-size: 12px; color: var(--ink-mute); }

/* ========== DASHBOARD MOCK ========== */
.sb-dash {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 14px;
  box-shadow: var(--shadow-lg);
  transform: perspective(1200px) rotateY(-3deg) rotateX(2deg);
  transform-origin: center;
}
.sb-dash__chrome {
  display: flex; align-items: center; gap: 6px; padding: 4px 8px 12px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 14px;
}
.sb-dash__chrome span {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--line-2);
}
.sb-dash__chrome span:first-child { background: #ff5f57; }
.sb-dash__chrome span:nth-child(2) { background: #febc2e; }
.sb-dash__chrome span:nth-child(3) { background: #28c841; }
.sb-dash__url {
  flex: 1; text-align: center;
  font-family: var(--font-mono); font-size: 11px; color: var(--ink-mute);
}
.sb-dash__grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  grid-template-rows: auto auto;
  gap: 12px;
}
.sb-dash__card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  position: relative;
  overflow: hidden;
}
.sb-dash__card--balance { grid-column: 1; grid-row: 1; }
.sb-dash__card--iddo { grid-column: 2; grid-row: 1; }
.sb-dash__card--ticker { grid-column: 1; grid-row: 2; min-height: 170px; }
.sb-dash__card--net { grid-column: 2; grid-row: 2; }

.sb-dash__label {
  font-size: 11px;
  color: var(--ink-mute);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  margin-bottom: 8px;
  display: flex; align-items: center; gap: 10px;
}
.sb-dash__value {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.sb-dash__value b { font-weight: 700; }
.sb-dash__value--pos { color: #16a34a; }

.sb-dash__chips { display: flex; gap: 6px; margin-top: 10px; flex-wrap: wrap; }
.sb-chip {
  font-size: 11px;
  padding: 4px 8px;
  background: var(--surface-2);
  color: var(--ink-soft);
  border-radius: 999px;
  border: 1px solid var(--line);
}
.sb-chip--accent { background: var(--accent-soft); color: var(--accent); border-color: transparent; font-weight: 600; }

.sb-spark-wrap { position: absolute; inset: auto 0 0 0; height: 50px; pointer-events: none; }
.sb-spark { width: 100%; height: 100%; display: block; }

.sb-dash__meter { height: 6px; background: var(--surface-2); border-radius: 999px; margin-top: 14px; overflow: hidden; }
.sb-dash__meter-bar { height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); border-radius: inherit; }
.sb-dash__meter-label { font-size: 11px; color: var(--ink-mute); margin-top: 8px; }

.sb-live {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #16a34a;
  display: inline-flex; align-items: center; gap: 6px;
  font-weight: 700;
}
.sb-live span {
  width: 6px; height: 6px; border-radius: 50%; background: currentColor;
  box-shadow: 0 0 0 3px rgba(22,163,74,0.2);
  animation: sb-pulse2 1.4s infinite;
}
@keyframes sb-pulse2 { 0%,100%{opacity:1} 50%{opacity:0.4} }

.sb-ticker { display: flex; flex-direction: column; gap: 4px; }
.sb-ticker__row {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto;
  gap: 10px;
  align-items: center;
  font-size: 12px;
  padding: 6px 8px;
  border-radius: 8px;
  transition: background 200ms;
}
.sb-ticker__row.is-flash { background: var(--surface-2); }
.sb-ticker__pair { font-family: var(--font-mono); font-weight: 600; }
.sb-ticker__side {
  font-size: 10px; font-weight: 700;
  padding: 2px 6px; border-radius: 4px;
}
.sb-ticker__side--buy  { background: rgba(22,163,74,0.12); color: #16a34a; }
.sb-ticker__side--sell { background: rgba(220,38,38,0.12); color: #dc2626; }
.sb-ticker__px { font-family: var(--font-mono); color: var(--ink-soft); text-align: right; }
.sb-ticker__chg { font-family: var(--font-mono); font-size: 11px; text-align: right; font-weight: 600; }
.sb-ticker__chg.pos { color: #16a34a; }
.sb-ticker__chg.neg { color: #dc2626; }

.sb-net { width: 100%; height: 110px; margin-top: 6px; }

/* ========== STATS ========== */
.sb-stats {
  max-width: 1280px;
  margin: 0 auto;
  padding: 40px 32px;
}
.sb-stats__inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.sb-stats__item {
  background: var(--surface);
  padding: 28px 24px;
}
.sb-stats__k {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
  background: linear-gradient(135deg, var(--ink), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.sb-stats__l {
  font-size: 13px;
  color: var(--ink-soft);
  margin-top: 8px;
}

/* ========== HOW ========== */
.sb-how {
  max-width: 1280px;
  margin: 0 auto;
  padding: 80px 32px;
}
.sb-how__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.sb-how__card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
  overflow: hidden;
  transition: transform 200ms, box-shadow 200ms;
}
.sb-how__card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.sb-how__top {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px;
  color: var(--accent);
}
.sb-how__n {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-mute);
  letter-spacing: 0.1em;
}
.sb-how__trace {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 30px;
  color: var(--accent);
  opacity: 0.3;
}
.sb-how__trace svg { width: 100%; height: 100%; }

/* ========== FEATURES ========== */
.sb-features {
  max-width: 1280px;
  margin: 0 auto;
  padding: 80px 32px;
}
.sb-features__grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}
.sb-feat {
  grid-column: span 3;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex; flex-direction: column;
  min-height: 340px;
  transition: transform 200ms, box-shadow 200ms, border-color 200ms;
}
.sb-feat:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: var(--line-2); }
.sb-feat--big { grid-column: span 6; }
.sb-feat--big .sb-feat__art { min-height: 220px; }
.sb-feat--big .sb-art { height: 220px; }
.sb-feat__top { display: flex; align-items: center; justify-content: space-between; }
.sb-feat__tag {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent);
  padding: 4px 10px;
  background: var(--accent-soft);
  border-radius: 999px;
}
.sb-feat__art {
  flex: 1;
  margin: 16px 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--surface-2);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  overflow: hidden;
  min-height: 160px;
}
.sb-art { width: 100%; height: 160px; display: block; }
.sb-feat p { margin: 4px 0 0; font-size: 14px; }

/* ========== TECH ========== */
.sb-tech {
  background: var(--navy-0);
  background-image:
    radial-gradient(ellipse at 80% 20%, rgba(0,166,224,0.18) 0%, transparent 50%),
    radial-gradient(ellipse at 10% 80%, rgba(0,97,213,0.15) 0%, transparent 50%);
  margin: 80px 0;
  padding: 100px 32px;
  color: #EAF2FB;
  position: relative;
  overflow: hidden;
}
.sb-tech::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
  pointer-events: none;
}
.sb-tech__inner {
  position: relative;
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: center;
}
.sb-tech .sb-h2 { color: #EAF2FB; }
.sb-tech__lede { color: #AEC1DD; font-size: 17px; margin: 18px 0 24px; max-width: 46ch; line-height: 1.55; }
.sb-bullets { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }
.sb-bullets li { display: flex; align-items: center; gap: 12px; color: #C6D4E8; font-size: 15px; }
.sb-bullets li b { color: #EAF2FB; margin-right: 2px; }
.sb-check {
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--accent);
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  position: relative;
}
.sb-check::after {
  content: "";
  width: 10px; height: 5px;
  border-left: 2px solid white; border-bottom: 2px solid white;
  transform: rotate(-45deg) translate(1px, -1px);
}

.sb-techp {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-lg);
}
.sb-techp__head {
  display: flex; justify-content: space-between; align-items: center;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 16px;
}
.sb-techp__stat {
  font-family: var(--font-mono);
  font-size: 14px;
  color: #EAF2FB;
  font-weight: 600;
}
.sb-techp__bars {
  display: grid;
  grid-template-columns: repeat(24, 1fr);
  gap: 3px;
  height: 90px;
  align-items: end;
  padding: 6px 0;
}
.sb-techp__bars span {
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  border-radius: 2px 2px 0 0;
  transition: height 120ms ease;
  min-height: 4px;
}
.sb-techp__logrows {
  display: flex; flex-direction: column; gap: 6px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.sb-techp__logrow {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
  font-size: 12px;
  color: #AEC1DD;
  padding: 4px 2px;
}
.sb-techp__dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
}
.sb-techp__time { color: #7E93B3; }

/* ========== REFERRAL ========== */
.sb-ref {
  max-width: 1280px;
  margin: 0 auto;
  padding: 80px 32px;
}
.sb-ref__head { max-width: 720px; margin-bottom: 40px; }
.sb-ref__lede { margin-top: 16px; font-size: 16px; }

.sb-ref__viz {
  margin: 8px 0 48px;
  background: linear-gradient(180deg, var(--surface) 0%, var(--surface-2) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
  overflow: hidden;
}
.sb-ref__svg { width: 100%; height: auto; display: block; max-height: 360px; }

.sb-ref__foot {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}
.sb-ref__foot > div { display: flex; flex-direction: column; gap: 4px; }
.sb-ref__foot b {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.sb-ref__foot span { font-size: 14px; color: var(--ink-soft); }

/* ========== SECURITY ========== */
.sb-sec {
  max-width: 1280px;
  margin: 0 auto;
  padding: 40px 32px 80px;
}
.sb-sec__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.sb-sec__card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}
.sb-sec__ic {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
}
.sb-sec__card p { margin: 4px 0 0; font-size: 14px; }

/* ========== FAQ ========== */
.sb-faq {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 32px 80px;
}
.sb-faq__list {
  display: flex; flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
}
.sb-faq__item + .sb-faq__item { border-top: 1px solid var(--line); }
.sb-faq__q {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%;
  padding: 22px 26px;
  text-align: left;
  font-weight: 600;
  font-size: 16px;
  font-family: var(--font-display);
  color: var(--ink);
  transition: background 150ms;
}
.sb-faq__q:hover { background: var(--surface-2); }
.sb-faq__chev {
  color: var(--ink-mute);
  transition: transform 250ms ease;
}
.sb-faq__item.is-open .sb-faq__chev { transform: rotate(180deg); color: var(--accent); }
.sb-faq__a {
  max-height: 0;
  overflow: hidden;
  padding: 0 26px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.6;
  transition: max-height 300ms ease, padding 300ms ease;
}
.sb-faq__item.is-open .sb-faq__a {
  max-height: 240px;
  padding: 0 26px 22px;
}

/* ========== CTA ========== */
.sb-cta {
  max-width: 1280px;
  margin: 0 auto 40px;
  padding: 0 32px;
}
.sb-cta__inner {
  position: relative;
  background: linear-gradient(135deg, var(--navy-2), var(--navy-0));
  border-radius: 32px;
  padding: 80px 56px;
  overflow: hidden;
  text-align: center;
  color: #EAF2FB;
}
.sb-cta__bg { position: absolute; inset: 0; pointer-events: none; }
.sb-cta__bg > div {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
}
.sb-cta__bg > div:nth-child(1) { width: 420px; height: 420px; background: var(--accent); opacity: 0.3; top: -150px; right: -80px; }
.sb-cta__bg > div:nth-child(2) { width: 380px; height: 380px; background: var(--accent-2); opacity: 0.25; bottom: -160px; left: -60px; }
.sb-cta__bg > div:nth-child(3) {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  filter: none;
  opacity: 1;
  width: auto; height: auto; border-radius: 0;
}
.sb-cta__content { position: relative; }
.sb-cta__title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0 0 14px;
  text-wrap: balance;
  max-width: 20ch;
  margin-left: auto; margin-right: auto;
}
.sb-cta__sub { color: #AEC1DD; font-size: 16px; margin: 0 0 28px; }
.sb-cta__actions { display: inline-flex; gap: 12px; flex-wrap: wrap; justify-content: center; }

/* ========== FOOTER ========== */
.sb-foot {
  max-width: 1280px;
  margin: 0 auto;
  padding: 60px 32px 40px;
}
.sb-foot__top {
  display: grid;
  grid-template-columns: 1.3fr 2fr;
  gap: 60px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line);
}
.sb-foot__cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.sb-foot__cols > div { display: flex; flex-direction: column; gap: 10px; }
.sb-foot__cols b {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink);
  margin-bottom: 6px;
}
.sb-foot__cols a {
  font-size: 14px;
  color: var(--ink-soft);
  transition: color 150ms;
}
.sb-foot__cols a:hover { color: var(--accent); }
.sb-foot__bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--ink-mute);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .sb-hero__inner { grid-template-columns: 1fr; gap: 40px; padding-top: 60px; padding-bottom: 60px; }
  .sb-hero__art { display: flex; justify-content: center; }
  .sb-dash { transform: none; max-width: 560px; width: 100%; }
  .sb-tech__inner { grid-template-columns: 1fr; gap: 40px; }
  .sb-stats__inner { grid-template-columns: repeat(2, 1fr); }
  .sb-how__grid { grid-template-columns: 1fr; }
  .sb-features__grid { grid-template-columns: repeat(2, 1fr); }
  .sb-feat, .sb-feat--big { grid-column: span 1 !important; }
  .sb-ref__foot { grid-template-columns: 1fr; }
  .sb-sec__grid { grid-template-columns: repeat(2, 1fr); }
  .sb-foot__top { grid-template-columns: 1fr; gap: 32px; }
  .sb-nav__links { display: none; }
}
@media (max-width: 640px) {
  .sb-nav__inner { padding: 12px 16px; gap: 8px; }
  .sb-nav__cta { gap: 6px; }
  .sb-nav__cta .sb-btn { padding: 8px 12px; font-size: 13px; }
  .sb-nav__cta .sb-icon-btn { width: 32px; height: 32px; }
  .sb-logo img { height: 26px !important; }
  .sb-features__grid { grid-template-columns: 1fr; }
  .sb-sec__grid { grid-template-columns: 1fr; }
  .sb-foot__cols { grid-template-columns: repeat(2, 1fr); }
  .sb-cta__inner { padding: 56px 24px; }
}
@media (max-width: 380px) {
  .sb-nav__inner { padding: 10px 12px; }
  .sb-nav__cta .sb-btn { padding: 7px 10px; font-size: 12px; }
  .sb-nav__cta .sb-btn--ghost { padding: 7px 8px; }
  .sb-logo img { height: 22px !important; }
}