/* ============== Tokens ============== */
:root {
  --bg: #ffffff;
  --bg-soft: #f6f7fb;
  --bg-dark: #0b1020;
  --ink: #0b1020;
  --ink-2: #1c2238;
  --muted: #5b6478;
  --line: #e7e9f2;
  --line-2: #eef0f6;

  --brand-1: #2563ff;
  --brand-2: #7c3aed;
  --brand-3: #3b82ff;
  --brand-grad: linear-gradient(135deg, #3b82ff 0%, #7c3aed 100%);
  --brand-grad-soft: linear-gradient(135deg, rgba(59,130,255,.10) 0%, rgba(124,58,237,.10) 100%);

  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 22px;
  --radius-xl: 28px;

  --shadow-sm: 0 2px 6px rgba(16,24,40,.04), 0 1px 2px rgba(16,24,40,.06);
  --shadow: 0 10px 30px rgba(16,24,40,.06), 0 2px 6px rgba(16,24,40,.04);
  --shadow-lg: 0 30px 60px -20px rgba(48,42,135,.18), 0 18px 36px -18px rgba(15,23,42,.18);

  --container: 1200px;

  --font: "Inter", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;
}

/* ============== Reset ============== */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
h1, h2, h3, h4 { margin: 0; line-height: 1.2; letter-spacing: -0.01em; color: var(--ink); font-weight: 700; }
p { margin: 0; color: var(--muted); }
ul { margin: 0; padding: 0; list-style: none; }
code { font-family: var(--font-mono); background: rgba(124,58,237,.08); color: var(--brand-2); padding: 2px 6px; border-radius: 6px; font-size: .9em; }

.container { width: min(100% - 32px, var(--container)); margin: 0 auto; }
.hidden { display: none !important; }

/* ============== Gradient text ============== */
.gradient-text {
  background: var(--brand-grad);
  -webkit-background-clip: text;
          background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

/* ============== Topbar ============== */
.topbar {
  background: linear-gradient(90deg, #0b1020 0%, #1a1f4d 50%, #0b1020 100%);
  color: #cdd3ea;
  font-size: 13px;
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 0;
  flex-wrap: wrap;
}
.topbar-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 0 4px rgba(74,222,128,.18);
}
.topbar-link {
  color: #9ec3ff;
  font-weight: 500;
}
.topbar-link:hover { color: #fff; }

/* ============== Nav ============== */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease, box-shadow .25s ease, background .25s ease;
}
.nav.is-stuck {
  border-color: var(--line);
  box-shadow: 0 4px 24px rgba(15,23,42,.04);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.logo-text {
  font-size: 22px;
  color: var(--ink);
}
.logo-ai {
  background: var(--brand-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-2);
  position: relative;
}
.nav-links a:hover { color: var(--brand-1); }
.nav-cta {
  display: flex;
  align-items: center;
  gap: 10px;
}
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  border-radius: 999px;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink-2);
  font-size: 13px;
  font-weight: 600;
  transition: border-color .2s, color .2s, background .2s;
}
.lang-switch:hover { border-color: var(--brand-1); }
.lang-opt {
  opacity: .45;
  transition: opacity .2s, color .2s;
}
.lang-opt.active {
  opacity: 1;
  background: var(--brand-grad);
  -webkit-background-clip: text; background-clip: text;
  color: transparent; -webkit-text-fill-color: transparent;
}
.lang-sep { opacity: .3; }
.nav-toggle {
  display: none;
  width: 38px; height: 38px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 10px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
}
.nav-toggle span {
  width: 18px; height: 2px;
  background: var(--ink);
  border-radius: 2px;
}

/* ============== Buttons ============== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14.5px;
  border: 1px solid transparent;
  transition: transform .15s ease, box-shadow .25s ease, background .25s ease, color .25s ease, border-color .25s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--brand-grad);
  color: #fff;
  box-shadow: 0 8px 20px -6px rgba(59,90,255,.45), inset 0 1px 0 rgba(255,255,255,.2);
}
.btn-primary:hover {
  box-shadow: 0 14px 30px -8px rgba(59,90,255,.6), inset 0 1px 0 rgba(255,255,255,.25);
  transform: translateY(-1px);
}
.btn-ghost {
  color: var(--ink-2);
  background: transparent;
}
.btn-ghost:hover { color: var(--brand-1); }
.btn-outline {
  background: #fff;
  color: var(--ink);
  border-color: var(--line);
}
.btn-outline:hover { border-color: var(--brand-1); color: var(--brand-1); }
.btn-lg { padding: 14px 26px; font-size: 15.5px; }
.btn-block { width: 100%; justify-content: center; }

/* ============== Hero ============== */
.hero {
  position: relative;
  overflow: hidden;
  padding: 80px 0 60px;
}
.hero-bg {
  position: absolute; inset: 0;
  pointer-events: none;
  z-index: 0;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .55;
}
.orb-a {
  width: 520px; height: 520px;
  left: -160px; top: -120px;
  background: radial-gradient(circle, #3b82ff 0%, rgba(59,130,255,0) 70%);
  animation: float 18s ease-in-out infinite;
}
.orb-b {
  width: 600px; height: 600px;
  right: -200px; top: 60px;
  background: radial-gradient(circle, #7c3aed 0%, rgba(124,58,237,0) 70%);
  animation: float 22s ease-in-out -8s infinite;
}
@keyframes float {
  0%, 100% { transform: translate3d(0,0,0); }
  50% { transform: translate3d(40px,-30px,0); }
}
.grid-overlay {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(11,16,32,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11,16,32,.045) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 50% 35%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 35%, #000 30%, transparent 75%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  text-align: center;
}
.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px 6px 10px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.72);
  backdrop-filter: blur(10px);
  border-radius: 999px;
  font-size: 13px;
  color: var(--ink-2);
  font-weight: 500;
  box-shadow: var(--shadow-sm);
}
.pulse {
  width: 6px; height: 6px; border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 0 0 rgba(74,222,128,.7);
  animation: pulse 1.8s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(74,222,128,.7); }
  70% { box-shadow: 0 0 0 8px rgba(74,222,128,0); }
  100% { box-shadow: 0 0 0 0 rgba(74,222,128,0); }
}
.hero-title {
  margin-top: 20px;
  font-size: clamp(38px, 5.8vw, 72px);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.08;
}
.hero-sub {
  margin: 22px auto 0;
  max-width: 760px;
  font-size: clamp(15px, 1.4vw, 18px);
  color: var(--muted);
  line-height: 1.7;
}
.hero-cta {
  margin-top: 34px;
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-meta {
  margin: 50px auto 0;
  max-width: 760px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px 24px;
  text-align: center;
}
.hero-meta strong {
  display: block;
  font-size: 22px;
  font-weight: 700;
  background: var(--brand-grad);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}
.hero-meta span {
  color: var(--muted);
  font-size: 13px;
}

/* Hero card / code */
.hero-card {
  margin: 56px auto 0;
  max-width: 920px;
  background: #0b1020;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.06);
  text-align: left;
}
.card-tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 10px 14px;
  background: #0e1430;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.tab {
  background: transparent;
  border: 0;
  color: #8c93b3;
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
}
.tab:hover { color: #fff; background: rgba(255,255,255,.04); }
.tab.active { color: #fff; background: rgba(124,58,237,.22); }
.card-dots {
  margin-left: auto;
  display: inline-flex;
  gap: 6px;
}
.card-dots i {
  width: 10px; height: 10px; border-radius: 50%;
  background: #2a3160;
}
.code {
  margin: 0;
  padding: 22px 24px;
  color: #cfd3ec;
  font-size: 13.5px;
  line-height: 1.75;
  font-family: var(--font-mono);
  overflow-x: auto;
}
.code .c-c { color: #6c7396; }
.code .c-k { color: #c084fc; }
.code .c-s { color: #7dd3a3; }
.code .c-y { color: #fbbf63; }
.code .c-n { color: #93c5fd; }

/* ============== Topbar badge & RealToken nav ============== */
.topbar-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, #3b82ff, #7c3aed);
  color: #fff;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  box-shadow: 0 0 0 1px rgba(255,255,255,.06), 0 4px 12px -2px rgba(124,58,237,.5);
}
.nav-new {
  display: inline-flex !important;
  align-items: center;
  gap: 6px;
}
.nav-new-tag {
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--brand-grad);
  color: #fff !important;
  -webkit-text-fill-color: #fff !important;
  text-transform: uppercase;
  animation: rt-blink 2.4s ease-in-out infinite;
}
@keyframes rt-blink {
  0%, 100% { box-shadow: 0 0 0 0 rgba(124,58,237,.55); }
  50% { box-shadow: 0 0 0 6px rgba(124,58,237,0); }
}

/* ============== RealToken section ============== */
.section-realtoken {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #ffffff 0%, #f4f3ff 100%);
}
.rt-bg {
  position: absolute; inset: 0;
  pointer-events: none;
  z-index: 0;
}
.rt-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: .35;
}
.rt-orb-a {
  width: 480px; height: 480px;
  left: -160px; top: 20%;
  background: radial-gradient(circle, #3b82ff 0%, rgba(59,130,255,0) 70%);
}
.rt-orb-b {
  width: 520px; height: 520px;
  right: -180px; top: 5%;
  background: radial-gradient(circle, #7c3aed 0%, rgba(124,58,237,0) 70%);
}
.rt-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 64px;
  align-items: center;
}
.rt-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px 6px 10px;
  border: 1px solid rgba(124,58,237,.3);
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(10px);
  border-radius: 999px;
  font-size: 13px;
  color: var(--brand-2);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}
.rt-logo-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 22px 0 10px;
}
.rt-logo {
  width: 56px; height: 56px;
  border-radius: 16px;
  background: #fff;
  border: 1px solid var(--line);
  display: grid; place-items: center;
  box-shadow: var(--shadow-sm);
}
.rt-logo svg { width: 30px; height: 30px; }
.rt-title {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: var(--brand-grad);
  -webkit-background-clip: text; background-clip: text;
  color: transparent; -webkit-text-fill-color: transparent;
  display: inline-flex;
  align-items: baseline;
}
.rt-domain {
  background: none;
  -webkit-text-fill-color: var(--muted);
  color: var(--muted);
  font-size: 22px;
  font-weight: 600;
}
.rt-sub {
  margin-top: 2px;
  font-size: 14px;
  color: var(--muted);
}
.rt-headline {
  margin-top: 14px;
  font-size: clamp(26px, 2.6vw, 36px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--ink);
}
.rt-desc {
  margin-top: 16px;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 540px;
}
.rt-checks {
  margin-top: 22px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 22px;
}
.rt-checks li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.rt-checks svg {
  width: 18px; height: 18px;
  flex-shrink: 0;
  margin-top: 3px;
  padding: 2px;
  border-radius: 50%;
  background: var(--brand-grad);
  color: #fff;
}
.rt-checks strong {
  display: block;
  font-size: 14.5px;
  color: var(--ink);
  margin-bottom: 2px;
}
.rt-checks span {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.55;
}
.rt-cta-row {
  margin-top: 28px;
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.rt-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 14.5px;
  color: var(--brand-1);
  font-family: var(--font-mono);
}
.rt-link:hover { color: var(--brand-2); }
.rt-fine {
  margin-top: 14px;
  font-size: 13px;
  color: var(--muted);
}

/* RealToken mock panel */
.rt-panel {
  position: relative;
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.rt-panel::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(59,130,255,.4), rgba(124,58,237,.4));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
          mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
}
.rt-panel-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: #f7f8fc;
  border-bottom: 1px solid var(--line);
}
.rt-window-dots {
  display: flex; gap: 6px;
}
.rt-window-dots i {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: #d8dbe6;
}
.rt-window-dots i:nth-child(1) { background: #ff6b6b; }
.rt-window-dots i:nth-child(2) { background: #ffd166; }
.rt-window-dots i:nth-child(3) { background: #6bcb77; }
.rt-url-bar {
  flex: 1;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 12.5px;
  color: var(--muted);
  font-family: var(--font-mono);
}
.rt-url-bar svg { color: var(--brand-1); }
.rt-panel-body {
  padding: 22px;
}
.rt-input-row { margin-bottom: 20px; }
.rt-input-row label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}
.rt-input {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 8px 8px 14px;
  background: #f7f8fc;
  border: 1px solid var(--line);
  border-radius: 10px;
}
.rt-input code {
  flex: 1;
  background: transparent;
  color: var(--ink);
  font-size: 13.5px;
  padding: 0;
}
.rt-input-btn {
  background: var(--brand-grad);
  color: #fff;
  border: 0;
  padding: 7px 14px;
  border-radius: 8px;
  font-size: 12.5px;
  font-weight: 600;
  box-shadow: 0 4px 10px -2px rgba(59,130,255,.45);
}
.rt-result {
  background: linear-gradient(180deg, #f8faff, #f4f3ff);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px;
}
.rt-result-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}
.rt-badge-pass {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: linear-gradient(135deg, #16a34a, #22c55e);
  color: #fff;
  font-size: 12.5px;
  font-weight: 600;
  border-radius: 999px;
  box-shadow: 0 4px 10px -2px rgba(34,197,94,.4);
}
.rt-result-model {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--brand-2);
  padding: 4px 10px;
  background: rgba(124,58,237,.08);
  border-radius: 6px;
}
.rt-rows {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 18px;
}
.rt-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13.5px;
  padding: 4px 0;
  border-bottom: 1px dashed var(--line);
}
.rt-row:last-child { border-bottom: 0; }
.rt-row > span:first-child { color: var(--muted); }
.rt-tag-ok {
  color: #16a34a;
  font-weight: 600;
  font-size: 13px;
}
.rt-tag-mono {
  font-family: var(--font-mono);
  color: var(--ink);
  font-weight: 600;
  font-size: 13px;
}
.rt-score {
  background: #fff;
  border-radius: 10px;
  padding: 14px 16px;
  border: 1px solid var(--line);
}
.rt-score-info {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 10px;
}
.rt-score-info > span {
  font-size: 12.5px;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: 0.02em;
}
.rt-score-info strong {
  font-size: 24px;
  font-weight: 800;
  background: var(--brand-grad);
  -webkit-background-clip: text; background-clip: text;
  color: transparent; -webkit-text-fill-color: transparent;
  letter-spacing: -0.02em;
}
.rt-score-info small {
  font-size: 14px;
  color: var(--muted);
  font-weight: 500;
  -webkit-text-fill-color: var(--muted);
}
.rt-score-bar {
  height: 6px;
  border-radius: 999px;
  background: var(--line-2);
  overflow: hidden;
}
.rt-score-bar i {
  display: block;
  height: 100%;
  background: var(--brand-grad);
  border-radius: inherit;
  animation: rt-fill 1.6s ease forwards;
  transform-origin: left;
  transform: scaleX(0);
}
@keyframes rt-fill { to { transform: scaleX(1); } }

.footer-new {
  display: inline-block;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 2px 5px;
  border-radius: 4px;
  background: var(--brand-grad);
  color: #fff !important;
  margin-left: 6px;
  vertical-align: middle;
}

/* ============== Trust bar ============== */
.trust {
  padding: 38px 0 18px;
  text-align: center;
}
.trust-title {
  color: var(--muted);
  font-size: 14px;
}
.trust-title strong { color: var(--ink); font-weight: 700; }
.trust-providers {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 14px 28px;
}
.trust-provider {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
}
.trust-provider svg {
  width: 26px; height: 26px;
  color: var(--ink-2);
}
.trust-divider {
  width: 1px; height: 22px;
  background: var(--line);
}
.trust-title strong {
  background: var(--brand-grad);
  -webkit-background-clip: text; background-clip: text;
  color: transparent; -webkit-text-fill-color: transparent;
  font-weight: 700;
}

/* ============== Sections ============== */
.section {
  padding: 100px 0;
}
.section-dark {
  background: linear-gradient(180deg, #0a0f24 0%, #0b1233 100%);
  color: #e6e9f8;
  position: relative;
  overflow: hidden;
}
.section-dark::before {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 20% 0%, rgba(124,58,237,.35), transparent 50%),
                    radial-gradient(circle at 80% 100%, rgba(59,130,255,.3), transparent 55%);
  pointer-events: none;
}
.section-dark h2, .section-dark h3 { color: #fff; }
.section-dark p { color: #aab1d0; }
.section-soft {
  background: var(--bg-soft);
}

.section-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 56px;
}
.section-head.left { text-align: left; margin-inline: 0; }
.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-1);
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--brand-grad-soft);
  margin-bottom: 18px;
}
.section-dark .eyebrow {
  color: #a5b4ff;
  background: rgba(124,58,237,.18);
}
.section-head h2 {
  font-size: clamp(28px, 3.4vw, 44px);
  font-weight: 800;
  letter-spacing: -0.02em;
}
.section-head p {
  margin-top: 16px;
  font-size: 16px;
  line-height: 1.7;
}

/* ============== Feature grid ============== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature-card {
  padding: 32px 28px;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--line);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--brand-grad);
  opacity: 0;
  transition: opacity .3s;
  pointer-events: none;
  mix-blend-mode: multiply;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.feature-ico {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--brand-grad-soft);
  color: var(--brand-1);
  margin-bottom: 18px;
}
.feature-ico svg { width: 24px; height: 24px; }
.feature-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
}
.feature-card p {
  font-size: 14.5px;
  line-height: 1.7;
}

/* ============== Provider cards (3 top providers) ============== */
.provider-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.provider-card {
  position: relative;
  padding: 36px 30px;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  backdrop-filter: blur(12px);
  transition: transform .3s ease, border-color .3s ease, background .3s ease, box-shadow .3s ease;
  overflow: hidden;
}
.provider-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  background: linear-gradient(135deg, rgba(59,130,255,.4), rgba(124,58,237,.4));
  border-radius: inherit;
  opacity: 0;
  z-index: -1;
  transition: opacity .3s;
}
.provider-card:hover {
  transform: translateY(-6px);
  border-color: rgba(124,58,237,.5);
  background: rgba(255,255,255,.06);
  box-shadow: 0 30px 60px -20px rgba(124,58,237,.35);
}
.provider-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 6px;
}
.provider-logo {
  width: 48px; height: 48px;
  border-radius: 14px;
  display: grid; place-items: center;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.1);
}
.provider-logo svg { width: 26px; height: 26px; color: #fff; }
.provider-openai svg     { color: #4ade80; }
.provider-anthropic svg  { color: #fbbf63; }
.provider-google svg     { color: #93b9ff; }
.provider-card h3 {
  font-size: 22px;
  color: #fff;
  margin: 0;
  letter-spacing: -0.01em;
}
.provider-tag {
  color: #a5b4ff;
  font-size: 14px;
  margin: 0 0 22px;
  font-weight: 500;
}
.model-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.model-list li {
  padding: 14px 16px;
  border-radius: 12px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.06);
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: background .2s, border-color .2s;
}
.model-list li:hover {
  background: rgba(255,255,255,.07);
  border-color: rgba(124,58,237,.4);
}
.model-list strong {
  color: #fff;
  font-size: 14.5px;
  font-weight: 600;
}
.model-list span {
  color: #8b93b8;
  font-size: 13px;
  line-height: 1.5;
}
.provider-featured {
  background: linear-gradient(180deg, rgba(124,58,237,.12), rgba(59,130,255,.06));
  border-color: rgba(124,58,237,.4);
}
.provider-note {
  margin-top: 36px;
  text-align: center;
  color: #8b93b8;
  font-size: 14px;
}
.link-arrow {
  display: inline-block;
  font-weight: 600;
  background: var(--brand-grad);
  -webkit-background-clip: text; background-clip: text;
  color: transparent; -webkit-text-fill-color: transparent;
}
.link-arrow:hover { opacity: .8; }

/* ============== Stats ============== */
.stats {
  padding: 60px 0;
  background: #fff;
  border-bottom: 1px solid var(--line-2);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat strong {
  display: block;
  font-size: clamp(32px, 3.5vw, 48px);
  font-weight: 800;
  background: var(--brand-grad);
  -webkit-background-clip: text; background-clip: text;
  color: transparent; -webkit-text-fill-color: transparent;
  letter-spacing: -0.02em;
}
.stat span {
  color: var(--muted);
  font-size: 14.5px;
  font-weight: 500;
}

/* ============== Scenarios ============== */
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.scenario-card {
  position: relative;
  padding: 32px 28px;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.scenario-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: transparent;
}
.sc-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  background: var(--brand-grad);
  -webkit-background-clip: text; background-clip: text;
  color: transparent; -webkit-text-fill-color: transparent;
  margin-bottom: 12px;
}
.scenario-card h3 { font-size: 19px; margin-bottom: 10px; }
.scenario-card p { font-size: 14.5px; line-height: 1.7; }

/* ============== Pricing ============== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: stretch;
}
.plan {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform .25s, box-shadow .25s;
}
.plan:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.plan header { margin-bottom: 18px; }
.plan h3 { font-size: 20px; }
.plan-tag {
  font-size: 13.5px;
  color: var(--muted);
  margin-top: 6px;
}
.plan-price {
  padding: 18px 0;
  border-top: 1px dashed var(--line);
  border-bottom: 1px dashed var(--line);
  display: flex; align-items: baseline; gap: 10px;
  margin-bottom: 22px;
}
.plan-price .amt {
  font-size: 38px;
  font-weight: 800;
  background: var(--brand-grad);
  -webkit-background-clip: text; background-clip: text;
  color: transparent; -webkit-text-fill-color: transparent;
  letter-spacing: -0.02em;
}
.plan-price .unit { color: var(--muted); font-size: 13.5px; }
.plan-list {
  flex: 1;
  display: flex; flex-direction: column; gap: 12px;
  margin-bottom: 24px;
}
.plan-list li {
  font-size: 14.5px;
  color: var(--ink-2);
  position: relative;
  padding-left: 24px;
}
.plan-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 7px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--brand-grad);
  mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 14'><path d='M3 7l3 3 5-6' stroke='white' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/></svg>") center / 10px no-repeat;
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 14'><path d='M3 7l3 3 5-6' stroke='white' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/></svg>") center / 10px no-repeat;
}
.plan-featured {
  border: 1px solid transparent;
  background:
    linear-gradient(#fff,#fff) padding-box,
    var(--brand-grad) border-box;
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
}
.plan-featured:hover { transform: translateY(-10px); }
.plan-badge {
  position: absolute;
  top: -12px; left: 50%;
  transform: translateX(-50%);
  background: var(--brand-grad);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
  box-shadow: 0 6px 14px -4px rgba(124,58,237,.5);
}

/* ============== Steps ============== */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: step;
}
.steps li {
  position: relative;
  padding: 30px 24px;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--line);
  list-style: none;
}
.step-n {
  display: inline-flex;
  width: 38px; height: 38px;
  border-radius: 12px;
  background: var(--brand-grad);
  color: #fff;
  font-weight: 700;
  font-size: 16px;
  align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.steps h3 { font-size: 17px; margin-bottom: 8px; }
.steps p { font-size: 14px; line-height: 1.7; }
.steps p code { background: rgba(124,58,237,.1); padding: 1px 6px; font-size: 12.5px; }

/* ============== Customer cases ============== */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.case-card {
  position: relative;
  margin: 0;
  padding: 32px 28px;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  transition: transform .3s, border-color .3s, background .3s, box-shadow .3s;
}
.case-card:hover {
  transform: translateY(-4px);
  border-color: rgba(124,58,237,.45);
  background: rgba(255,255,255,.06);
  box-shadow: 0 24px 48px -20px rgba(59,130,255,.4);
}
.case-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: grid; place-items: center;
  background: var(--brand-grad);
  color: #fff;
  margin-bottom: 18px;
  box-shadow: 0 8px 18px -4px rgba(59,130,255,.45);
}
.case-icon svg { width: 26px; height: 26px; }
.case-icon-saas  { background: linear-gradient(135deg, #3b82ff, #5b6cff); }
.case-icon-game  { background: linear-gradient(135deg, #7c3aed, #c026d3); }
.case-icon-robot { background: linear-gradient(135deg, #06b6d4, #3b82ff); }
.case-tag {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #a5b4ff;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(124,58,237,.18);
  border: 1px solid rgba(124,58,237,.25);
  width: max-content;
  margin-bottom: 14px;
}
.case-card h3 {
  font-size: 18px;
  color: #fff;
  margin-bottom: 14px;
  line-height: 1.4;
}
.case-card blockquote {
  margin: 0 0 22px;
  font-size: 14.5px;
  line-height: 1.75;
  color: #c4cae6;
  font-style: normal;
  flex: 1;
  position: relative;
  padding-left: 16px;
}
.case-card blockquote::before {
  content: "";
  position: absolute;
  left: 0; top: 4px; bottom: 4px;
  width: 2px;
  background: var(--brand-grad);
  border-radius: 2px;
}
.case-card figcaption {
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 16px;
}
.case-card figcaption strong {
  color: #fff;
  font-size: 14.5px;
}
.case-card figcaption span {
  color: #8b93b8;
  font-size: 13px;
}

/* ============== FAQ ============== */
.faq-wrap {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 60px;
  align-items: start;
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-list details {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 6px 22px;
  transition: border-color .2s, box-shadow .2s;
}
.faq-list details[open] {
  border-color: rgba(124,58,237,.4);
  box-shadow: var(--shadow);
}
.faq-list summary {
  list-style: none;
  cursor: pointer;
  padding: 16px 30px 16px 0;
  font-weight: 600;
  font-size: 15.5px;
  color: var(--ink);
  position: relative;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 0; top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  font-weight: 400;
  color: var(--brand-1);
  transition: transform .25s ease;
}
.faq-list details[open] summary::after {
  content: "−";
}
.faq-list details p {
  padding: 0 0 18px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.7;
}

/* ============== Final CTA ============== */
.cta-band {
  position: relative;
  overflow: hidden;
  padding: 100px 0;
  background: #0a0f24;
  color: #fff;
}
.cta-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 30% 30%, rgba(59,130,255,.4), transparent 50%),
    radial-gradient(circle at 70% 70%, rgba(124,58,237,.4), transparent 50%);
}
.cta-inner {
  position: relative;
  text-align: center;
}
.cta-inner h2 {
  color: #fff;
  font-size: clamp(32px, 4vw, 56px);
  font-weight: 800;
  letter-spacing: -0.02em;
}
.cta-inner p {
  color: #c8cdec;
  font-size: 17px;
  margin-top: 18px;
}
.cta-form {
  margin: 36px auto 14px;
  max-width: 480px;
  display: flex;
  gap: 8px;
  padding: 6px;
  border-radius: 999px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(10px);
}
.cta-form input {
  flex: 1;
  border: 0;
  background: transparent;
  color: #fff;
  font-size: 15px;
  padding: 10px 18px;
  outline: none;
}
.cta-form input::placeholder { color: #8b93b8; }
.cta-fine {
  color: #8b93b8;
  font-size: 13px;
}

/* ============== Footer ============== */
.footer {
  background: #06091a;
  color: #b4bbd7;
  padding: 80px 0 0;
}
.footer .logo-text { color: #fff; }
.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 3fr;
  gap: 60px;
}
.footer-brand p {
  margin-top: 18px;
  color: #8b93b8;
  font-size: 14px;
  line-height: 1.8;
}
.footer-addr {
  display: inline-flex !important;
  align-items: flex-start;
  gap: 10px;
  margin-top: 18px !important;
  padding: 12px 14px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 12px;
  font-size: 13.5px !important;
  color: #c8cdec !important;
  line-height: 1.55 !important;
  max-width: 320px;
}
.footer-addr svg {
  width: 18px; height: 18px;
  flex-shrink: 0;
  color: #a5b4ff;
  margin-top: 1px;
}
.footer-cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}
.footer-cols h4 {
  color: #fff;
  font-size: 14px;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}
.footer-cols a {
  display: block;
  color: #8b93b8;
  font-size: 14px;
  padding: 6px 0;
  transition: color .2s;
}
.footer-cols a:hover { color: #fff; }
.footer-bottom {
  margin-top: 60px;
  padding: 22px 0;
  border-top: 1px solid rgba(255,255,255,.06);
  font-size: 13px;
  color: #707895;
}
.footer-bottom .container {
  display: flex;
  justify-content: center;
  text-align: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* ============== Reveal animation ============== */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.in {
  opacity: 1;
  transform: none;
}

/* ============== Responsive ============== */
@media (max-width: 1024px) {
  .rt-inner { grid-template-columns: 1fr; gap: 40px; }
  .rt-checks { grid-template-columns: 1fr; }
  .feature-grid, .scenario-grid, .case-grid { grid-template-columns: repeat(2, 1fr); }
  .provider-grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .plan-featured { transform: none; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .faq-wrap { grid-template-columns: 1fr; gap: 30px; }
  .section-head.left { text-align: center; }
  .case-grid > :nth-child(3) { grid-column: 1 / -1; max-width: 50%; margin: 0 auto; }
}

@media (max-width: 720px) {
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav .btn-ghost { display: none; }
  .nav-inner { height: 64px; }
  .section { padding: 70px 0; }
  .hero { padding: 50px 0 30px; }
  .hero-meta { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .feature-grid, .scenario-grid, .case-grid, .provider-grid, .steps { grid-template-columns: 1fr; }
  .rt-title { font-size: 26px; }
  .topbar-inner { flex-direction: column; gap: 4px; }
  .case-grid > :nth-child(3) { max-width: none; }
  .cta-form { flex-direction: column; border-radius: var(--radius); padding: 12px; }
  .cta-form .btn { width: 100%; justify-content: center; }
  .topbar { font-size: 12px; }
  .footer-cols { grid-template-columns: repeat(2, 1fr); }
  .trust-divider { display: none; }
}

/* Nav-open mobile menu state */
body.nav-open .nav-links {
  display: flex !important;
  position: absolute;
  top: 64px; left: 0; right: 0;
  flex-direction: column;
  gap: 0;
  padding: 12px 20px 20px;
  background: rgba(255,255,255,.98);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 20px rgba(15,23,42,.06);
}
body.nav-open .nav-links a {
  padding: 14px 0;
  border-bottom: 1px solid var(--line-2);
}