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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
  -webkit-font-smoothing: antialiased;
}

:root {
  --primary-darkest: #064e3b;
  --primary-darker: #065f46;
  --primary-dark:   #6ee7b7;
  --primary-neutral: #10b981;
  --primary-light: #6ee7b7;
  --primary-lighter: #d1fae5;
  --primary-lightest: #ecfdf5;

  --secondary-darkest: #312e81;
  --secondary-darker: #3730a3;
  --secondary-dark: #4338ca;
  --secondary-neutral: #818cf8;
  --secondary-lightest: #eef2ff;

  --shade-darkest: #0b101a;
  --shade-darker: #111827;
  --shade-dark: #374151;
  --shade-neutral: #4b5563;
  --shade-light: #9ca3af;
  --shade-lighter: #e5e7eb;
  --shade-lightest: #f3f4f6;

  --backdrop-dark: #f9fafb;
  --backdrop-light: #ffffff;
  --border: #e5e7eb;
  --border-strong: #adb4bd;

  --green-logo: #3ab83a;
  --green-logo-dark: #0b8311;
  --display: "Poppins", Helvetica, sans-serif;
  --body: "Poppins", Helvetica, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --radius-sm: 4px;
  --radius: 6px;
  --radius-lg: 8px;
  --shadow-soft: 0 12px 28px rgba(17, 24, 39, 0.06);
  --header-bg: rgba(249, 250, 251, 0.88);
  --header-bg-scrolled: rgba(255, 255, 255, 0.94);
  --header-border: rgba(229, 231, 235, 0.76);
  --nav-text: #374151;
  --nav-hover-text: #0b101a;
  --action-bg: #3730A3;
  --action-hover-bg: #A5B4FC;
  --action-text: #ffffff;
  --action-hover-text: #111827;
  --action-shadow: 0 10px 18px rgba(4, 120, 87, 0.16);
  --action-hover-shadow: 0 12px 22px rgba(4, 120, 87, 0.2);
  --hero-overlay:
    radial-gradient(ellipse at center, rgba(249, 250, 251, 0.44) 0%, rgba(249, 250, 251, 0.34) 38%, rgba(249, 250, 251, 0.16) 66%, rgba(249, 250, 251, 0.04) 100%),
    linear-gradient(180deg, rgba(249, 250, 251, 0.04) 0%, rgba(249, 250, 251, 0.16) 52%, rgba(249, 250, 251, 0.06) 100%);
  --hero-image-opacity: 1;
  --hero-text-shadow: 0 1px 14px rgba(255, 255, 255, 0.36);

  --bg: var(--backdrop-dark);
  --bg2: var(--backdrop-light);
  --bg3: var(--shade-lightest);
  --border2: var(--border-strong);
  --green: var(--primary-dark);
  --green-2: var(--primary-neutral);
  --green-muted: var(--primary-lightest);
  --text: var(--shade-darkest);
  --text-mid: var(--shade-neutral);
  --text-dim: var(--shade-light);
}

html.light {
  color-scheme: light;
}

html.dark {
  color-scheme: dark;
  --primary-darkest: #ecfdf5;
  --primary-darker: #d1fae5;
  --primary-dark:  #6ee7b7;;
  --primary-neutral: #34d399;
  --primary-light: #059669;
  --primary-lighter: #047857;
  --primary-lightest: #064e3b;

  --secondary-darkest: #eef2ff;
  --secondary-darker: #c7d2fe;
  --secondary-dark: #a5b4fc;
  --secondary-neutral: #6366f1;
  --secondary-lightest: #312e81;

  --shade-darkest: #f9fafb;
  --shade-darker: #f3f4f6;
  --shade-dark: #e5e7eb;
  --shade-neutral: #9ca3af;
  --shade-light: #6b7280;
  --shade-lighter: #374151;
  --shade-lightest: #1f2937;

  --backdrop-dark: #111827;
  --backdrop-light: #0b101a;
  --border: #374151;
  --border-strong: #2a2e35;
  --shadow-soft: 0 14px 34px rgba(0, 0, 0, 0.2);
  --header-bg: rgba(17, 24, 39, 0.88);
  --header-bg-scrolled: rgba(11, 16, 26, 0.94);
  --header-border: rgba(55, 65, 81, 0.78);
  --nav-text: #d1d5db;
  --nav-hover-text: #ffffff;
  --action-bg: #3730A3;
  --action-hover-bg: #A5B4FC;
  --action-text: #ffffff;
  --action-hover-text: #111827;
  --action-shadow: none;
  --action-hover-shadow: none;
  --hero-overlay:
    radial-gradient(ellipse at center, rgba(11, 16, 26, 0.48) 0%, rgba(11, 16, 26, 0.38) 40%, rgba(11, 16, 26, 0.2) 68%, rgba(11, 16, 26, 0.08) 100%),
    linear-gradient(180deg, rgba(11, 16, 26, 0.18) 0%, rgba(11, 16, 26, 0.28) 52%, rgba(11, 16, 26, 0.18) 100%);
  --hero-image-opacity: 1;
  --hero-text-shadow: 0 2px 14px rgba(0, 0, 0, 0.36);
}

body {
  font-family: var(--body);
  background: var(--backdrop-dark);
  color: var(--shade-darkest);
  font-size: 14px;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-tap-highlight-color: var(--primary-light);
}

a {
  color: inherit;
  text-decoration: none;
}

img,
svg {
  display: block;
}

ul {
  list-style: none;
}

code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: var(--shade-lightest);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--shade-darker);
  padding: 2px 6px;
}

.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 40px;
}

.container-narrow {
  max-width: 700px;
}

.container-prose {
  max-width: 720px;
}

.label {
  color: var(--primary-dark);
  font-family: var(--display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

#header,
header.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background 0.24s, border-color 0.24s, box-shadow 0.24s, backdrop-filter 0.24s, -webkit-backdrop-filter 0.24s;
}

#header {
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

#header:not(.scrolled) .logo-text,
#header:not(.scrolled) nav a {
  text-shadow: var(--hero-text-shadow);
}

header.site-header {
  background: var(--header-bg);
  border-bottom-color: var(--header-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

#header.scrolled {
  background: var(--header-bg-scrolled);
  border-bottom-color: var(--header-border);
  box-shadow: 0 10px 24px rgba(17, 24, 39, 0.05);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 22px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.logo-mark {
  width: 26px;
  height: 26px;
  flex: 0 0 auto;
}

.header-inner .logo-mark {
  width: 30px;
  height: 30px;
}

.logo-text {
  color: var(--shade-darkest);
  font-family: var(--display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.header-inner .logo-text {
  font-size: 16px;
}

.logo-text span {
  color: var(--primary-dark);
}

nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

nav a {
  color: var(--nav-text);
  font-size: 13px;
  font-weight: 600;
  transition: color 0.16s;
}

nav a:hover {
  color: var(--nav-hover-text);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.theme-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--backdrop-light);
  color: var(--shade-dark);
  cursor: pointer;
  overflow: hidden;
  will-change: transform;
}

.theme-toggle:hover {
  border-color: var(--primary-light);
  background: var(--primary-lightest);
  color: var(--primary-dark);
  transform: scale(1.08);
}

.theme-toggle:active {
  transform: translateY(0) scale(0.97);
}

.theme-icon {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.theme-icon-sun {
  display: none;
}

html.dark .theme-icon-sun {
  display: block;
}

html.dark .theme-icon-moon {
  display: none;
}

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 38px;
  padding: 9px 18px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-family: var(--display);
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  overflow: hidden;
  transform-origin: center;
  will-change: transform;
}

.btn::before,
.theme-toggle::before,
.dl-btn::before {
  content: "";
  position: absolute;
  inset: -2px;
  opacity: 0;
  transform: translateX(-115%);
  pointer-events: none;
}

.btn:hover::before,
.theme-toggle:hover::before,
.dl-btn:hover::before {
  opacity: 1;
  transform: translateX(115%);
}

.btn:hover {
  transform: scale(1.05);
}

.btn:active {
  transform: translateY(0) scale(0.975);
}

.btn-primary {
  color: var(--action-text);
  background: var(--action-bg);
  box-shadow: var(--action-shadow);
}

.btn-primary:hover {
  color: var(--action-hover-text);
  background: var(--action-hover-bg);
  border-color: var(--action-hover-bg);
  box-shadow: var(--action-hover-shadow), 0 0 0 4px rgba(165, 180, 252, 0.18);
}

.btn-outline {
  color: var(--shade-darker);
  background: var(--backdrop-light);
  border-color: var(--border-strong);
}

.btn-outline:hover {
  color: var(--primary-dark);
  border-color: var(--primary-light);
  background: var(--primary-lightest);
}

#hero {
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  min-height: 660px;
  padding: 100px 0 84px;
  border-bottom: 1px solid var(--border);
  background: var(--backdrop-dark);
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  background: var(--backdrop-dark) url("img/2149687879.jpg") center center / cover no-repeat;
  opacity: var(--hero-image-opacity);
}

.hero-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--hero-overlay);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
}

#hero h1 {
  color: var(--shade-darkest);
  font-family: var(--display);
  font-size: 64px;
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: 0;
  margin-bottom: 18px;
  text-shadow: var(--hero-text-shadow);
}

.hero-sub {
  max-width: 620px;
  color: var(--shade-dark);
  font-size: 16px;
  line-height: 1.72;
  margin: 0 auto 30px;
  text-shadow: var(--hero-text-shadow);
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-actions .btn {
  min-height: 48px;
  padding: 14px 24px;
  font-size: 14px;
}

.chain-band,
#tagline,
.dl-card,
.dl-note,
.summary-box {
  border-radius: var(--radius-lg);
  background: #1f2937;
  box-shadow: var(--shadow-soft);
}

.chain-band {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  width: min(calc(100% - 80px), 1080px);
  margin: -42px auto 0;
  overflow: hidden;
  border-bottom-right-radius: 0;
  border-bottom-left-radius: 0;
  box-shadow: none;
  border-bottom: 1px solid var(--border-strong);
}

.band-cell {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
  padding: 20px 22px;
  border-right: 1px solid var(--border);
}

.band-cell:last-child {
  border-right: none;
}

.band-val {
  color: var(--shade-darkest);
  font-family: var(--display);
  font-size: 25px;
  font-weight: 700;
  line-height: 1;
}

.band-val span {
  color: var(--primary-dark);
  font-size: 12px;
}

.band-lbl,
.stat-lbl {
  color: var(--shade-light);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.band-sub {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--shade-neutral);
  font-size: 12px;
}

.chain-dot {
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  border-radius: 999px;
  background: var(--primary-neutral);
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.13);
  animation: pulse 2.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.42; }
}

#tagline {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1px 1fr;
  width: min(calc(100% - 80px), 1080px);
  margin: 0 auto;
  overflow: hidden;
  background:
    linear-gradient(rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.82)),
    url("img/2151480182.jpg") center center / cover no-repeat;
  box-shadow: none;
  border-radius: 0;
}

html.dark #tagline {
  background:
    linear-gradient(rgba(11, 16, 26, 0.78), rgba(11, 16, 26, 0.78)),
    url("img/2151480182.jpg") center center / cover no-repeat;
}

.tg-div {
  background: none;
}

.tg-col {
  display: flex;
  align-items: center;
  flex-direction: column;
  padding: 48px 40px;
  text-align: center;
}

.tg-word {
  margin-bottom: 24px;
  color: var(--primary-dark);
  font-family: var(--display);
  font-size: 36px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0;
  text-transform: uppercase;
}

.tg-head {
  max-width: 360px;
  color: var(--shade-darkest);
  font-family: var(--display);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 9px;
}

.tg-body {
  max-width: 440px;
  color: var(--shade-neutral);
  font-size: 13px;
  line-height: 1.7;
}

.section-pad {
  padding: 78px 0;
}

#features .section-pad {
  padding-bottom: 42px;
}

.sec-hdr {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 32px;
}

.sec-title {
  color: var(--shade-darkest);
  font-family: var(--display);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: 0;
}

.sec-hdr-right {
  padding-top: 4px;
  text-align: right;
}


#principles {
  position: relative;
  overflow: hidden;
  background: #0b101a url("img/9197.jpg") center 34% / cover no-repeat;
  border-bottom: 1px solid var(--border);
  border-top: 1px solid var(--border);
}

#principles::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(11, 16, 26, 0.5), rgba(17, 24, 39, 0.34) 48%, rgba(49, 46, 129, 0.14)),
    linear-gradient(180deg, rgba(11, 16, 26, 0.12), rgba(11, 16, 26, 0.38));
}

#principles::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(249, 250, 251, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(249, 250, 251, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.24;
}

#principles .container {
  position: relative;
  z-index: 1;
}

#principles .section-pad {
  min-height: 660px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

#principles .sec-hdr {
  align-items: center;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 38px;
  text-align: center;
}

#principles .sec-title {
    color: #ffffff;
}
#principles .label {
  color: #6ee7b7;
}

#principles .sec-hdr-right {
  padding-top: 0;
  text-align: center;
}

.feat-row {
  display: grid;
  grid-template-columns: 210px 1fr auto;
  align-items: start;
  border-top: 1px solid var(--border);
}

.feat-row:last-child {
  border-bottom: 1px solid var(--border);
}

.feat-name {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 22px 20px 22px 0;
}

.feat-ico {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  flex: 0 0 auto;
}

.feat-title-txt {
  color: var(--shade-darkest);
  font-family: var(--display);
  font-size: 16px;
  font-weight: 700;
  white-space: nowrap;
}

.feat-desc {
  min-height: 100%;
  padding: 22px 28px;
  border-left: 1px solid var(--border);
  color: var(--shade-neutral);
  font-size: 14px;
  line-height: 1.65;
}

.feat-tags {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  padding: 22px 0;
}

.feat-tag {
  border: 1px solid rgba(4, 120, 87, 0.18);
  border-radius: var(--radius-sm);
  background: var(--primary-lightest);
  color: var(--primary-dark);
  font-family: var(--mono);
  font-size: 13px;
  padding: 3px 8px;
  white-space: nowrap;
}

.feat-tag:nth-child(2) {
  border-color: rgba(67, 56, 202, 0.16);
  background: var(--secondary-lightest);
  color: var(--secondary-dark);
}

.dl-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 28px;
}

.dl-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 24px 22px;
  box-shadow: none;
}

.dl-card-copy {
  flex: 1 1 auto;
}

.dl-ico-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: var(--radius);
  background: #333d6b;
}

.dl-ico-wrap svg {
  width: 25px;
  height: 25px;
  stroke: var(--primary-dark);
  fill: none;
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.dl-platform {
  color: var(--shade-darkest);
  font-family: var(--display);
  font-size: 19px;
  font-weight: 700;
  margin-top: 2px;
}

.dl-desc {
  color: var(--shade-neutral);
  font-size: 13.5px;
  line-height: 1.6;
}

.dl-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--backdrop-light);
  color: var(--shade-darker);
  cursor: pointer;
  font-family: var(--display);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.2;
  min-height: 42px;
  padding: 10px 14px;
  text-align: center;
  overflow: hidden;
  transform-origin: center;
  will-change: transform;
}

.dl-btn:hover {
  border-color: #A5B4FC;
  background: var(--secondary-lightest);
  color: var(--secondary-darker);
  transform: scale(1.04);
}

.dl-btn:active {
  transform: translateY(0) scale(0.98);
}

.dl-sha-wrap {
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.dl-sha-label {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--shade-light);
  font-family: var(--mono);
  font-size: 10px;
  cursor: pointer;
  user-select: none;
}

.dl-sha-label .sha-short {
  color: var(--primary-dark);
}

.dl-sha-toggle {
  margin-left: auto;
  font-size: 9px;
}

.dl-sha-full {
  max-height: 0;
  overflow: hidden;
  color: var(--primary-dark);
  font-family: var(--mono);
  font-size: 10px;
  line-height: 1.6;
  word-break: break-all;
  transition: max-height 0.25s ease, margin-top 0.2s;
}

.dl-sha-full.open {
  max-height: 80px;
  margin-top: 6px;
}

.dl-size {
  margin-top: 4px;
  color: var(--shade-light);
  font-family: var(--mono);
  font-size: 10px;
}

.dl-note {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 14px;
  padding: 12px 18px;
  box-shadow: none;
}

.dl-note svg {
  flex: 0 0 auto;
  stroke: var(--shade-light);
}

.dl-note span {
  color: var(--shade-neutral);
  font-size: 13px;
}

.dl-note a {
  color: var(--shade-darker);
  font-weight: 700;
}

.pr-layout {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  align-items: stretch;
}

.pr-item {
  display: flex;
  min-height: 210px;
  flex-direction: column;
  justify-content: center;
  gap: 18px;
  padding: 28px 24px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-lg);
  background: rgba(11, 16, 26, 0.42);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.pr-ico {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  border: 1px solid rgba(165, 180, 252, 0.34);
  border-radius: var(--radius);
  background: rgba(55, 48, 163, 0.24);
}

.pr-ico svg {
  stroke: #A5B4FC;
}

.pr-title {
  color: #ffffff;
  font-family: var(--display);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.18;
  margin-bottom: 8px;
}

.pr-desc {
  color: rgba(255, 255, 255, 0.76);
  font-size: 13.5px;
  line-height: 1.62;
}

.faq-layout {
  width: 100%;
}

.faq-layout > div {
  width: 100%;
}

.faq-a a,
.prose a {
  color: var(--primary-dark);
  font-weight: 700;
}

.faq-item {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}

.faq-item:first-child {
  padding-top: 0;
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--shade-darkest);
  cursor: pointer;
  font-family: var(--display);
  font-size: 14px;
  font-weight: 700;
}

.faq-toggle,
.faq-q::after {
  flex: 0 0 auto;
  color: var(--primary-dark);
  font-family: var(--mono);
  font-size: 16px;
  line-height: 1;
  transition: transform 0.2s;
}

.faq-q::after {
  content: "+";
  font-size: 18px;
}

.faq-q .faq-toggle {
  display: none;
}

.faq-item.open .faq-toggle,
.faq-item.open .faq-q::after {
  transform: rotate(45deg);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  color: var(--shade-neutral);
  font-size: 13px;
  line-height: 1.7;
  transition: max-height 0.3s ease, margin-top 0.2s;
}

.faq-item.open .faq-a {
  max-height: 500px;
  margin-top: 10px;
}

footer {
  background: var(--backdrop-light);
  padding: 62px 0 34px;
}

.ft-main {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 46px;
  padding-bottom: 46px;
  border-bottom: 1px solid var(--border);
}

.ft-tagline {
  max-width: 260px;
  margin-top: 16px;
  color: var(--shade-neutral);
  font-size: 15px;
  line-height: 1.7;
}

.ft-social {
  display: flex;
  gap: 10px;
  margin-top: 22px;
}

.ft-soc-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 37px;
  height: 37px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.15s, background 0.15s;
}

.ft-soc-btn:hover {
  border-color: var(--primary-light);
  background: var(--primary-lightest);
}

.ft-soc-btn svg {
  width: 17px;
  height: 17px;
  stroke: var(--shade-neutral);
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.ft-col-title {
  margin-bottom: 16px;
  color: var(--shade-light);
  font-family: var(--display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.ft-links {
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.ft-links a {
  color: var(--shade-neutral);
  font-size: 14px;
  transition: color 0.15s;
}

.ft-links a:hover {
  color: var(--shade-darkest);
}

.ft-bottom,
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.ft-bottom {
  padding-top: 28px;
}

.ft-legal,
.footer-legal,
.footer-note {
  color: var(--shade-light);
  font-size: 12.5px;
}

.footer-note,
.ft-brand,
.network-note {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--shade-light);
  font-family: var(--mono);
  font-size: 11px;
}

.network-block {
  margin-top: 28px;
}

.ft-brand svg {
  opacity: 0.35;
}

.simple-footer {
  margin-top: 64px;
  padding: 42px 0;
}

.page-hero {
  padding: 124px 0 58px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0;
}

.page-hero .label {
  display: block;
  margin-bottom: 12px;
}

.page-title {
  color: var(--shade-darkest);
  font-family: var(--display);
  font-size: clamp(34px, 5vw, 48px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: 0;
}

.page-date {
  margin-top: 10px;
  color: var(--shade-light);
  font-family: var(--mono);
  font-size: 12px;
}

.faq-section {
  padding: 48px 0;
  border-bottom: 1px solid var(--border);
}

.faq-section:last-of-type {
  border-bottom: none;
}

.prose h2 {
  margin: 38px 0 12px;
  color: var(--shade-darkest);
  font-family: var(--display);
  font-size: 20px;
  font-weight: 700;
}

.prose {
  padding-top: 48px;
}

.prose p {
  margin-bottom: 16px;
  color: var(--shade-neutral);
}

.prose ul {
  margin: 0 0 16px 20px;
  list-style: disc;
}

.prose li {
  margin-bottom: 6px;
  color: var(--shade-neutral);
}

.prose strong {
  color: var(--shade-darkest);
  font-weight: 700;
}

.summary-box {
  margin-bottom: 40px;
  padding: 20px 24px;
  background: var(--primary-lightest);
  border-color: rgba(4, 120, 87, 0.18);
  box-shadow: none;
}

.summary-box p {
  margin: 0;
  color: var(--shade-dark);
  font-size: 14px;
}

.summary-box strong {
  color: var(--primary-dark);
}

@media (max-width: 900px) {
  #hero {
    min-height: 620px;
    padding: 92px 0 66px;
  }

  #hero h1 {
    font-size: 52px;
  }

  .container {
    padding: 0 20px;
  }

  nav {
    display: none;
  }

  .chain-band,
  #tagline {
    width: calc(100% - 40px);
    grid-template-columns: 1fr;
  }

  .chain-band {
    margin-top: -24px;
  }

  .band-cell {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .band-cell:last-child {
    border-bottom: none;
  }

  .tg-div {
    display: none;
  }

  .tg-word {
    font-size: 40px;
  }

  .sec-hdr {
    flex-direction: column;
    gap: 10px;
  }

  .sec-hdr-right {
    text-align: left;
  }

  .feat-row,
  .ft-main {
    grid-template-columns: 1fr;
  }

  .pr-layout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pr-item {
    min-height: 190px;
  }

  .feat-desc {
    border-top: 1px solid var(--border);
    border-left: none;
    padding: 14px 0;
  }

  .feat-tags {
    flex-direction: row;
    align-items: flex-start;
    flex-wrap: wrap;
    padding: 0 0 14px;
  }

  .dl-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner,
  .ft-bottom {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .header-inner {
    min-height: 60px;
  }

  .btn {
    min-height: 36px;
    padding: 8px 12px;
  }

  .logo-text {
    font-size: 13px;
  }

  .header-inner .logo-text {
    font-size: 14px;
  }

  .header-inner .logo-mark {
    width: 28px;
    height: 28px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  #hero {
    min-height: 590px;
    padding: 84px 0 54px;
  }

  #hero h1 {
    font-size: 38px;
  }

  .tg-col,
  .band-cell,
  .dl-card,
  .pr-item {
    padding-right: 18px;
    padding-left: 18px;
  }

  .tg-word {
    font-size: 32px;
  }

  .pr-layout {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn,
  .theme-toggle,
  .dl-btn,
  .btn::before,
  .theme-toggle::before,
  .dl-btn::before {
    transition: none;
  }

  .btn:hover,
  .theme-toggle:hover,
  .dl-btn:hover,
  .btn:active,
  .theme-toggle:active,
  .dl-btn:active {
    transform: none;
  }
}

.dl-platform-icon {
  width: 35px;
  height: 35px;
  object-fit: contain;
}