/* ==========================================================================
   ProfitLens / 大强数智 — 全站样式
   设计原则：
   - 科技感 + 数据感（深空蓝主调 + 青绿盈利色 + 霓虹蓝主色）
   - 8px 网格间距系统
   - CSS 变量驱动，浅色为主，关键区块深色强化数据感
   - 响应式：移动端优先 + 桌面端 max-width 1240 容器
   ========================================================================== */

/* ----- Tokens ----- */
:root {
  --c-bg: #f7f8fb;
  --c-bg-alt: #ffffff;
  --c-bg-dark: #0a1024;
  --c-bg-dark-2: #111a36;
  --c-surface: #ffffff;
  --c-surface-dark: #131c3a;
  --c-border: #e6e8ef;
  --c-border-dark: #1f2a4a;
  --c-text: #0f172a;
  --c-text-2: #475569;
  --c-text-3: #94a3b8;
  --c-text-dark: #e8ecf6;
  --c-text-dark-2: #98a4c8;
  --c-primary: #2f6bff;
  --c-primary-2: #5b8bff;
  --c-primary-soft: #eaf0ff;
  --c-accent: #06d6a0;
  --c-accent-2: #22c5a3;
  --c-warn: #ff7a45;
  --c-danger: #ef4444;
  --c-gold: #f5b042;
  --c-violet: #8b5cf6;
  --c-pink: #ec4899;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .05);
  --shadow-md: 0 6px 24px -8px rgba(15, 23, 42, .12), 0 2px 6px rgba(15, 23, 42, .04);
  --shadow-lg: 0 20px 50px -16px rgba(15, 23, 42, .25), 0 8px 18px -8px rgba(15, 23, 42, .12);
  --shadow-glow: 0 0 0 1px rgba(47, 107, 255, .25), 0 12px 32px -12px rgba(47, 107, 255, .45);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 999px;

  --container: 1240px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;
  --space-32: 128px;

  --ease-out: cubic-bezier(.22, 1, .36, 1);
}

/* ----- Reset ----- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--c-primary); text-decoration: none; transition: color .15s var(--ease-out); }
a:hover { color: var(--c-primary-2); }
button { font-family: inherit; cursor: pointer; border: 0; background: transparent; }
input, textarea, select { font-family: inherit; font-size: inherit; color: inherit; }
h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: 700; line-height: 1.2; letter-spacing: -.02em; color: var(--c-text); }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
code, pre, .mono { font-family: "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace; font-feature-settings: "tnum"; }

/* ----- Container ----- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* ----- Section ----- */
.section { padding: var(--space-24) 0; }
.section-sm { padding: var(--space-16) 0; }
.section-dark {
  background:
    radial-gradient(1200px 600px at 90% -20%, rgba(91, 139, 255, .18), transparent 60%),
    radial-gradient(800px 500px at -10% 50%, rgba(6, 214, 160, .10), transparent 60%),
    linear-gradient(180deg, var(--c-bg-dark) 0%, var(--c-bg-dark-2) 100%);
  color: var(--c-text-dark);
}
.section-dark h1, .section-dark h2, .section-dark h3, .section-dark h4 { color: #fff; }
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--c-primary);
  background: var(--c-primary-soft);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-5);
}
.section-dark .section-eyebrow {
  color: #93c5fd;
  background: rgba(47, 107, 255, .12);
  border: 1px solid rgba(91, 139, 255, .25);
}
.section-title {
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.15;
  letter-spacing: -.03em;
  margin-bottom: var(--space-4);
}
.section-subtitle {
  font-size: 18px;
  color: var(--c-text-2);
  max-width: 720px;
  line-height: 1.65;
}
.section-dark .section-subtitle { color: var(--c-text-dark-2); }

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all .2s var(--ease-out);
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn svg { width: 16px; height: 16px; }
.btn-primary {
  background: linear-gradient(180deg, var(--c-primary) 0%, #1f55e8 100%);
  color: #fff;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 0 1px rgba(47, 107, 255, .35), 0 18px 38px -12px rgba(47, 107, 255, .55);
  color: #fff;
}
.btn-ghost {
  background: rgba(255, 255, 255, .08);
  color: #fff;
  border-color: rgba(255, 255, 255, .18);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { background: rgba(255, 255, 255, .14); color: #fff; }
.btn-outline {
  background: transparent;
  color: var(--c-text);
  border-color: var(--c-border);
}
.btn-outline:hover { border-color: var(--c-primary); color: var(--c-primary); }
.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-sm { padding: 8px 14px; font-size: 13px; }

/* ----- Navbar ----- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .85);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--c-border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-6);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  color: var(--c-text);
  letter-spacing: -.02em;
}
.nav-logo:hover { color: var(--c-text); }
.nav-logo .logo-mark {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  color: #fff;
  box-shadow: var(--shadow-glow);
}
.nav-logo .logo-mark svg { width: 18px; height: 18px; }
.nav-logo small {
  display: block;
  font-size: 10px;
  font-weight: 500;
  color: var(--c-text-3);
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-top: 2px;
}
.nav-logo-stack { display: flex; flex-direction: column; line-height: 1; }
.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.nav-menu a {
  display: inline-block;
  padding: 8px 14px;
  color: var(--c-text-2);
  font-weight: 500;
  font-size: 15px;
  border-radius: 8px;
  transition: all .15s var(--ease-out);
}
.nav-menu a:hover { color: var(--c-text); background: rgba(15, 23, 42, .04); }
.nav-menu a.active { color: var(--c-primary); background: var(--c-primary-soft); }
.nav-cta { display: flex; align-items: center; gap: 10px; }
.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  border-radius: 8px;
  border: 1px solid var(--c-border);
  background: #fff;
  align-items: center;
  justify-content: center;
}
.nav-toggle svg { width: 20px; height: 20px; }

@media (max-width: 960px) {
  .nav-menu, .nav-cta .btn-outline { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav-menu.open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    padding: 16px 24px 24px;
    background: #fff;
    border-bottom: 1px solid var(--c-border);
    box-shadow: var(--shadow-md);
  }
  .nav-menu.open a { padding: 12px 16px; font-size: 16px; }
}

/* ----- Hero ----- */
.hero {
  position: relative;
  padding: var(--space-32) 0 var(--space-24);
  background:
    radial-gradient(900px 500px at 80% 0%, rgba(91, 139, 255, .25), transparent 60%),
    radial-gradient(700px 400px at -10% 40%, rgba(6, 214, 160, .12), transparent 60%),
    linear-gradient(180deg, #0a1024 0%, #0f1735 60%, #111a36 100%);
  color: var(--c-text-dark);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .025) 1px, transparent 1px);
  background-size: 56px 56px;
  background-position: -1px -1px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: var(--space-16);
  align-items: center;
}
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: var(--space-12); }
  .hero { padding: var(--space-20) 0 var(--space-16); }
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: rgba(91, 139, 255, .12);
  border: 1px solid rgba(91, 139, 255, .3);
  color: #c9d8ff;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: var(--space-6);
}
.hero-badge .pulse {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--c-accent);
  box-shadow: 0 0 0 0 rgba(6, 214, 160, .7);
  animation: pulse 1.8s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(6, 214, 160, .7); }
  70% { box-shadow: 0 0 0 10px rgba(6, 214, 160, 0); }
  100% { box-shadow: 0 0 0 0 rgba(6, 214, 160, 0); }
}
.hero h1 {
  font-size: clamp(36px, 5.4vw, 64px);
  line-height: 1.05;
  letter-spacing: -.04em;
  color: #fff;
  margin-bottom: var(--space-6);
}
.hero h1 .grad {
  background: linear-gradient(135deg, #5b8bff 0%, #06d6a0 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-lead {
  font-size: clamp(16px, 1.4vw, 19px);
  line-height: 1.6;
  color: var(--c-text-dark-2);
  max-width: 560px;
  margin-bottom: var(--space-8);
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: var(--space-10); }
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, .08);
}
@media (max-width: 560px) {
  .hero-stats { grid-template-columns: 1fr; gap: var(--space-4); }
}
.hero-stat .v {
  font-family: "JetBrains Mono", monospace;
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -.02em;
}
.hero-stat .l {
  font-size: 13px;
  color: var(--c-text-dark-2);
  margin-top: 4px;
}

/* ----- Dashboard preview ----- */
.dash {
  position: relative;
  background: linear-gradient(180deg, rgba(255, 255, 255, .04), rgba(255, 255, 255, .02));
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  backdrop-filter: blur(6px);
  box-shadow: var(--shadow-lg);
}
.dash-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
}
.dash-head .dots { display: flex; gap: 6px; }
.dash-head .dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: rgba(255, 255, 255, .15);
}
.dash-head .dot:first-child { background: #ff5f56; }
.dash-head .dot:nth-child(2) { background: #ffbd2e; }
.dash-head .dot:nth-child(3) { background: #27c93f; }
.dash-head .title {
  font-size: 13px;
  color: var(--c-text-dark-2);
  font-family: "JetBrains Mono", monospace;
}
.dash-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: var(--space-5);
}
@media (max-width: 480px) { .dash-grid { grid-template-columns: 1fr 1fr; } }
.kpi {
  padding: 12px;
  border-radius: 10px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .06);
}
.kpi .label {
  font-size: 11px;
  color: var(--c-text-dark-2);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 4px;
}
.kpi .value {
  font-family: "JetBrains Mono", monospace;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -.02em;
}
.kpi .delta {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 11px;
  font-weight: 600;
  margin-top: 4px;
}
.kpi .delta.up { color: var(--c-accent); }
.kpi .delta.down { color: #ff7a90; }
.kpi .delta.flat { color: var(--c-text-dark-2); }
.chart {
  height: 200px;
  background: rgba(255, 255, 255, .03);
  border: 1px solid rgba(255, 255, 255, .06);
  border-radius: 12px;
  padding: 12px;
  position: relative;
  overflow: hidden;
}
.chart canvas { width: 100% !important; height: 100% !important; display: block; }
.dash-table {
  margin-top: 10px;
  background: rgba(255, 255, 255, .03);
  border: 1px solid rgba(255, 255, 255, .06);
  border-radius: 12px;
  overflow: hidden;
  font-size: 12px;
}
.dash-table .row {
  display: grid;
  grid-template-columns: 1.6fr .8fr .8fr .8fr;
  gap: 8px;
  padding: 10px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, .04);
  align-items: center;
}
.dash-table .row:last-child { border-bottom: 0; }
.dash-table .head {
  color: var(--c-text-dark-2);
  font-weight: 600;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .08em;
  background: rgba(255, 255, 255, .02);
}
.dash-table .name { color: #fff; font-weight: 500; }
.dash-table .num { font-family: "JetBrains Mono", monospace; text-align: right; color: #e8ecf6; }
.dash-table .pos { color: var(--c-accent); }
.dash-table .neg { color: #ff8a9c; }

/* ----- Trust strip ----- */
.trust {
  padding: var(--space-12) 0;
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  background: var(--c-bg-alt);
}
.trust-inner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-8);
  justify-content: space-between;
}
.trust-label {
  font-size: 13px;
  color: var(--c-text-3);
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.trust-logos {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-10);
  opacity: .8;
}
.trust-logos .logo {
  font-weight: 700;
  font-size: 17px;
  color: var(--c-text-2);
  letter-spacing: -.01em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  filter: grayscale(1);
}
.trust-logos .logo small {
  font-size: 11px;
  font-weight: 500;
  color: var(--c-text-3);
}

/* ----- Feature grid ----- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
@media (max-width: 960px) { .features-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .features-grid { grid-template-columns: 1fr; } }

.feature {
  padding: var(--space-6);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  transition: all .25s var(--ease-out);
}
.feature:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(47, 107, 255, .35);
}
.feature .icon {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: var(--c-primary-soft);
  color: var(--c-primary);
  margin-bottom: var(--space-4);
}
.feature .icon svg { width: 22px; height: 22px; }
.feature h3 { font-size: 18px; margin-bottom: 8px; }
.feature p { color: var(--c-text-2); font-size: 14.5px; line-height: 1.65; }
.feature ul { margin-top: var(--space-3); display: grid; gap: 6px; }
.feature li {
  font-size: 13.5px;
  color: var(--c-text-2);
  display: flex; align-items: flex-start; gap: 8px;
}
.feature li::before {
  content: "";
  flex: 0 0 5px;
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--c-primary);
  margin-top: 8px;
}

/* ----- Section: section-head ----- */
.section-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: var(--space-12);
}
.section-head p { text-align: center; }
.section-head .section-subtitle { margin-top: var(--space-2); }

/* ----- Process ----- */
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}
@media (max-width: 960px) { .process { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .process { grid-template-columns: 1fr; } }
.process-step {
  position: relative;
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .08);
}
.process-step .num {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: var(--c-accent);
  letter-spacing: .15em;
  margin-bottom: var(--space-3);
}
.process-step h4 { font-size: 18px; color: #fff; margin-bottom: 8px; }
.process-step p { color: var(--c-text-dark-2); font-size: 14px; line-height: 1.65; }

/* ----- Cases ----- */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
@media (max-width: 960px) { .case-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .case-grid { grid-template-columns: 1fr; } }
.case {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: all .25s var(--ease-out);
}
.case:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.case .tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: var(--c-primary-soft);
  color: var(--c-primary);
  font-size: 12px;
  font-weight: 600;
  align-self: flex-start;
}
.case h3 { font-size: 17px; }
.case p { color: var(--c-text-2); font-size: 14.5px; line-height: 1.65; }
.case .metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding-top: var(--space-4);
  border-top: 1px solid var(--c-border);
}
.case .metric .v {
  font-family: "JetBrains Mono", monospace;
  font-size: 18px;
  font-weight: 700;
  color: var(--c-accent-2);
}
.case .metric .l { font-size: 11px; color: var(--c-text-3); }

/* ----- Pricing ----- */
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
@media (max-width: 960px) { .price-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; } }
.price {
  position: relative;
  padding: var(--space-8);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
}
.price.featured {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 4px var(--c-primary-soft);
}
.price .ribbon {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  color: #fff;
  font-size: 12px;
  font-weight: 600;
}
.price h3 { font-size: 18px; margin-bottom: 8px; }
.price .desc { color: var(--c-text-2); font-size: 14px; min-height: 42px; }
.price .amount {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: var(--space-6) 0 var(--space-3);
}
.price .amount .num {
  font-family: "JetBrains Mono", monospace;
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -.03em;
  color: var(--c-text);
}
.price .amount .unit { color: var(--c-text-3); font-size: 14px; }
.price ul {
  display: grid;
  gap: 10px;
  padding: var(--space-4) 0;
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  margin: var(--space-4) 0 var(--space-6);
  flex: 1;
}
.price li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 14px;
  color: var(--c-text-2);
}
.price li svg { flex: 0 0 18px; width: 18px; height: 18px; color: var(--c-accent-2); margin-top: 1px; }

/* ----- FAQ ----- */
.faq {
  display: grid;
  gap: 10px;
  max-width: 820px;
  margin: 0 auto;
}
.faq details {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all .2s var(--ease-out);
}
.faq details[open] {
  border-color: var(--c-primary);
  box-shadow: var(--shadow-sm);
}
.faq summary {
  padding: 18px 22px;
  cursor: pointer;
  font-weight: 600;
  font-size: 15px;
  color: var(--c-text);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "";
  flex: 0 0 14px;
  width: 14px; height: 14px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  transition: transform .2s var(--ease-out);
}
.faq details[open] summary::after { transform: rotate(180deg); }
.faq .answer {
  padding: 0 22px 20px;
  color: var(--c-text-2);
  font-size: 14.5px;
  line-height: 1.7;
}

/* ----- CTA banner ----- */
.cta-banner {
  background:
    radial-gradient(600px 300px at 20% 50%, rgba(6, 214, 160, .25), transparent 60%),
    radial-gradient(800px 400px at 80% 50%, rgba(91, 139, 255, .35), transparent 60%),
    linear-gradient(135deg, #0a1024 0%, #1a2151 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-16);
  text-align: center;
  color: #fff;
  margin: var(--space-12) 0;
}
.cta-banner h2 {
  color: #fff;
  font-size: clamp(26px, 3.5vw, 38px);
  margin-bottom: var(--space-4);
}
.cta-banner p {
  color: var(--c-text-dark-2);
  font-size: 16px;
  max-width: 600px;
  margin: 0 auto var(--space-6);
}
.cta-banner .btn-row { display: inline-flex; flex-wrap: wrap; gap: 12px; justify-content: center; }

/* ----- Footer ----- */
.footer {
  background: #0a1024;
  color: var(--c-text-dark-2);
  padding: var(--space-16) 0 var(--space-8);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr;
  gap: var(--space-8);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
@media (max-width: 960px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand .nav-logo { color: #fff; margin-bottom: var(--space-4); }
.footer-brand p { color: var(--c-text-dark-2); font-size: 14px; max-width: 280px; }
.footer h5 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: #fff;
  margin-bottom: var(--space-4);
}
.footer ul { display: grid; gap: 10px; }
.footer a {
  color: var(--c-text-dark-2);
  font-size: 14px;
  transition: color .15s var(--ease-out);
}
.footer a:hover { color: #fff; }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-6);
  font-size: 13px;
  color: var(--c-text-dark-2);
}
.footer-bottom .legal { display: flex; gap: 16px; flex-wrap: wrap; }

/* ----- Contact / forms ----- */
.form-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: var(--space-12);
  align-items: start;
}
@media (max-width: 960px) { .form-grid { grid-template-columns: 1fr; } }
.field { margin-bottom: var(--space-4); }
.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--c-text);
}
.field label .req { color: var(--c-danger); }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  font-size: 14px;
  transition: all .15s var(--ease-out);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 0;
  border-color: var(--c-primary);
  box-shadow: 0 0 0 4px var(--c-primary-soft);
}
.field textarea { resize: vertical; min-height: 120px; }
.field .hint { font-size: 12px; color: var(--c-text-3); margin-top: 4px; }
.form-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
}
.contact-info {
  display: grid;
  gap: var(--space-4);
}
.contact-card {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-5);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  transition: all .2s var(--ease-out);
}
.contact-card:hover { border-color: var(--c-primary); transform: translateX(4px); }
.contact-card .icon {
  width: 40px; height: 40px;
  flex: 0 0 40px;
  display: grid; place-items: center;
  border-radius: 10px;
  background: var(--c-primary-soft);
  color: var(--c-primary);
}
.contact-card .icon svg { width: 20px; height: 20px; }
.contact-card h4 { font-size: 14px; margin-bottom: 4px; color: var(--c-text); }
.contact-card a, .contact-card p { font-size: 14.5px; color: var(--c-text-2); }

/* ----- About ----- */
.about-hero { padding: var(--space-24) 0 var(--space-12); text-align: center; }
.about-hero p { max-width: 720px; margin: var(--space-4) auto 0; color: var(--c-text-2); font-size: 18px; }
.timeline { position: relative; max-width: 720px; margin: 0 auto; padding-left: 32px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 9px; top: 0; bottom: 0;
  width: 2px;
  background: var(--c-border);
}
.timeline-item {
  position: relative;
  padding: 0 0 var(--space-8) var(--space-2);
}
.timeline-item::before {
  content: "";
  position: absolute;
  left: -32px; top: 6px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--c-primary);
  border: 4px solid var(--c-bg);
  box-shadow: 0 0 0 1px var(--c-primary);
}
.timeline-item .date {
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  color: var(--c-primary);
  font-weight: 600;
  margin-bottom: 4px;
}
.timeline-item h4 { font-size: 17px; margin-bottom: 6px; }
.timeline-item p { color: var(--c-text-2); font-size: 14.5px; }

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}
@media (max-width: 960px) { .team-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .team-grid { grid-template-columns: 1fr; } }
.team {
  text-align: center;
  padding: var(--space-6);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
}
.team .avatar {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  margin: 0 auto var(--space-4);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 28px;
  font-weight: 700;
}
.team h4 { font-size: 16px; margin-bottom: 4px; }
.team .role { font-size: 13px; color: var(--c-text-3); margin-bottom: 8px; }
.team p { font-size: 13.5px; color: var(--c-text-2); }

/* ----- Banner pill / small ----- */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: rgba(6, 214, 160, .12);
  color: var(--c-accent);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
}
.metric-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  padding: var(--space-10);
  background: linear-gradient(135deg, var(--c-bg-dark), var(--c-bg-dark-2));
  border-radius: var(--radius-xl);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .08);
}
@media (max-width: 720px) { .metric-strip { grid-template-columns: 1fr 1fr; } }
.metric-strip .item .v {
  font-family: "JetBrains Mono", monospace;
  font-size: 32px;
  font-weight: 700;
  background: linear-gradient(135deg, #5b8bff, #06d6a0);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.metric-strip .item .l { color: var(--c-text-dark-2); font-size: 13px; margin-top: 4px; }

/* ----- Animations ----- */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
.float-anim { animation: float 6s ease-in-out infinite; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp .8s var(--ease-out) both; }
.fade-up-d1 { animation-delay: .1s; }
.fade-up-d2 { animation-delay: .2s; }
.fade-up-d3 { animation-delay: .3s; }

/* ----- Misc ----- */
.text-grad {
  background: linear-gradient(135deg, #5b8bff 0%, #06d6a0 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.muted { color: var(--c-text-2); }
.divider {
  height: 1px;
  background: var(--c-border);
  margin: var(--space-12) 0;
}

/* ----- Mobile fix ----- */
@media (max-width: 480px) {
  .container { padding: 0 var(--space-5); }
  .section { padding: var(--space-16) 0; }
  .cta-banner { padding: var(--space-10) var(--space-5); }
  .form-card { padding: var(--space-6); }
}