:root {
  --primary: #0046fc;
  --primary-hover: #528bfa;
  --primary-dark: #003bc9;
  --primary-soft: #eaf0fe;
  --accent: #f89524;
  --accent-soft: #fef1e0;
  --violet: #7c3aed;
  --violet-soft: #ede9fe;
  --violet-dark: #5b21b6;
  --n0: #fff;
  --n25: #fcfcfd;
  --n50: #f8fafd;
  --n100: #eef1f5;
  --n150: #e2e6ea;
  --n300: #b4bdc9;
  --n400: #8b95a7;
  --n500: #6b7280;
  --n600: #4b5563;
  --n700: #374151;
  --n900: #0f172a;
  --success: #10b981;
  --success-soft: #dcfce7;
  --success-dark: #047857;
  --warning: #f59e0b;
  --warning-soft: #fef3c7;
  --error: #ef4444;
  --font-display: "Mulish", sans-serif;
  --font-body: "Roboto", sans-serif;
  --font-mono: "JetBrains Mono", monospace;
  --r: 8px;
  --rl: 12px;
  --rxl: 16px;
  --sm: 0 1px 3px rgba(15, 23, 42, 0.06);
  --md: 0 4px 16px rgba(15, 23, 42, 0.06);
  --lg: 0 12px 32px rgba(124, 58, 237, 0.15);
}

.btn-vi {
  background: var(--violet)!important;
  color: #fff!important;
  border-color: var(--violet);
}
.btn-vi:hover {
  color: #fff!important;
  background: var(--violet-dark)!important;
  box-shadow: var(--lg);
  transform: translateY(-1px);
}
.btn-neo .btn-gh {
  border-color: #e2e6ea!important;
}
.btn-neo .btn-gh:hover {
  border-color: var(--violet)!important;
  color: var(--violet)!important;
  background: var(--violet-soft);
}
.btn-large {
  height: 52px;
  padding: 0 28px;
  font-size: 15px;
}
.btn-white {
  background: #fff;
  color: var(--violet-dark)!important;
  border-color: #fff;
}
.btn-white:hover {
  background: var(--accent);
  color: #fff!important;
  border-color: var(--accent);
}

/* 
.hero-i {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 60px;
  align-items: center;
} */
.neo-ia .hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--violet);
  color: #fff;
  padding: 6px 14px;
  border-radius: 100px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 24px;
  border: none;
  box-shadow: none;
}
.neo-ia .hero-tag i {
  font-size: 14px;
}
.neo-ia h1 {
  font-family: var(--font-display);
  font-size: clamp(36px, 4.5vw, 54px)!important;
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.035em;
  color: var(--n900);
  margin-bottom: 20px;
}
.neo-ia h1 .ac {
  background: linear-gradient(135deg, var(--violet), var(--primary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.neo-ia .hero-sub {
  font-size: 18px;
  color: var(--n600);
  line-height: 1.65;
  margin-bottom: 28px;
}
.neo-ia .hero-sub strong {
  color: var(--n900);
  font-weight: 600;
}
.neo-ia .hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 24px;
  justify-content: left;
}
.neo-ia .hero-tr {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  align-items: center;
  font-size: 13px;
  color: var(--n600);
}
.neo-ia .hero-tr span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-weight: 600;
}
.neo-ia .hero-tr i {
  color: var(--success);
  font-size: 16px;
}
.fx-card {
  background: linear-gradient(135deg, var(--n900), #1a1f3a);
  border-radius: var(--rxl);
  padding: 28px;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: var(--lg);
}
.fx-card::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.4), transparent 60%);
  filter: blur(50px);
}
.fx-h {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  position: relative;
}
.fx-t {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 14px;
  color: #fff;
}
.fx-t i {
  color: var(--violet);
  font-size: 18px;
}
.fx-b {
  background: rgba(124, 58, 237, 0.25);
  color: var(--violet);
  border: 1px solid rgba(124, 58, 237, 0.4);
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 100px;
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.fx-b::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--violet);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}
.fx-pred {
  position: relative;
  margin-bottom: 18px;
}
.fx-pred-l {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  font-family: var(--font-display);
  margin-bottom: 6px;
}
.fx-pred-v {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: #fff;
  line-height: 1;
  margin-bottom: 6px;
}
.fx-pred-v .neg {
  color: var(--accent);
}
.fx-pred-sub {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
}
.fx-pred-sub b {
  color: var(--accent);
  font-weight: 700;
}
.fx-graph {
  position: relative;
  height: 120px;
  margin-bottom: 14px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--r);
  padding: 10px;
  overflow: hidden;
}
.fx-graph svg {
  width: 100%;
  height: 100%;
}
.fx-leg {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  font-size: 11px;
  position: relative;
}
.fx-leg-c {
  display: flex;
  align-items: center;
  gap: 6px;
  color: rgba(255, 255, 255, 0.8);
}
.fx-leg-d {
  width: 8px;
  height: 8px;
  border-radius: 2px;
}
.fx-leg-d.r {
  background: #10b981;
}
.fx-leg-d.p {
  background: var(--violet);
}
.fx-leg-d.a {
  background: var(--accent);
}

/* .sec-ia {
  text-align: center;
} */
.neo-ia .sec-eb, .faq-ia .sec-eb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 800;
  color: var(--violet);
  background: var(--violet-soft);
  padding: 8px 16px;
  border-radius: 100px;
  margin-bottom: 16px;
  letter-spacing: 0.03em;
}
.neo-ia h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 40px)!important;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 18px;
  color: var(--n900);
}
.neo-ia h2 .ac {
  color: var(--violet);
}
.sec-l {
  font-size: 17px;
  color: var(--n500);
  max-width: 720px;
  margin: 0 auto 48px;
  line-height: 1.65;
}
.bnf {
  background: var(--n25);
}
.bnf-g {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.bnf-c {
  background: #fff;
  border: 1px solid var(--n100);
  border-radius: var(--rxl);
  padding: 32px;
  transition: all 0.3s;
}
.bnf-c:hover {
  transform: translateY(-3px);
  box-shadow: var(--lg);
  border-color: var(--violet);
}
.bnf-ic {
  width: 52px;
  height: 52px;
  background: var(--violet-soft);
  color: var(--violet);
  border-radius: var(--rl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 18px;
}
.bnf-c h3 {
  font-family: var(--font-display);
  font-size: 19px!important;
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--n900);
  margin-bottom: 10px;
}
.bnf-c p {
  font-size: 14px;
  color: var(--n600);
  line-height: 1.65;
  margin-bottom: 14px;
}
.bnf-c p strong {
  color: var(--n900);
  font-weight: 600;
}
.bnf-s {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--n25);
  border: 1px solid var(--n100);
  padding: 6px 12px;
  border-radius: 100px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  color: var(--n700);
}
.bnf-s b {
  color: var(--violet);
  font-weight: 800;
}

.how-i {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}
.how-eb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 800;
  color: var(--violet);
  background: rgba(124, 58, 237, 0.15);
  border: 1px solid rgba(124, 58, 237, 0.3);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}
.ia-sec h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 40px)!important;
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: #fff;
  margin-bottom: 14px;
  text-align: center;
}
.ia-sec h2 .ac {
  color: var(--violet);
}
.ia-sec .lead {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.7);
  text-align: center;
  max-width: 700px;
  margin: 0 auto 56px;
  line-height: 1.65;
}
.how-g {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.how-st {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--rxl);
  padding: 28px;
  backdrop-filter: blur(20px);
  position: relative;
}
.how-st-n {
  width: 36px;
  height: 36px;
  background: var(--violet);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 14px;
  margin-bottom: 16px;
}
.how-st h3 {
  font-family: var(--font-display);
  font-size: 16px!important;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: #fff;
  margin-bottom: 8px;
  line-height: 1.3;
}
.how-st p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
}
.cas {
  padding: 90px 40px;
  background: var(--n25);
}
.cas-i {
  max-width: 1200px;
  margin: 0 auto;
}
.cas-g {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.cas-c {
  background: #fff;
  border: 1px solid var(--n100);
  border-radius: var(--rxl);
  padding: 32px;
  transition: all 0.3s;
  text-decoration: none;
  color: inherit;
}
.cas-c:hover {
  transform: translateY(-3px);
  box-shadow: var(--lg);
  border-color: var(--violet);
}
.cas-h {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}
.cas-av {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--violet), var(--violet-dark));
  color: #fff;
  border-radius: var(--rl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 16px;
}
.cas-n {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  color: var(--n900);
  line-height: 1.2;
}
.cas-r {
  font-size: 12px;
  color: var(--n500);
  margin-top: 2px;
}
.cas-q {
  font-family: var(--font-display);
  font-size: 15px;
  font-style: italic;
  color: var(--n700);
  line-height: 1.55;
  margin-bottom: 16px;
}
.cas-m {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  padding-top: 16px;
  border-top: 1px solid var(--n100);
}
.cas-mc {
  text-align: center;
}
.cas-mv {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 900;
  color: var(--violet);
  letter-spacing: -0.02em;
  line-height: 1;
}
.cas-ml {
  font-size: 11px;
  color: var(--n500);
  margin-top: 4px;
  font-family: var(--font-display);
  font-weight: 600;
}
.cas-cta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--n100);
  font-size: 13px;
}
.cas-cta-r {
  color: var(--n500);
  font-family: var(--font-display);
  font-weight: 600;
}
.cas-cta-a {
  color: var(--violet);
  font-family: var(--font-display);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.neo-ia .cii-sec {
  padding: 90px 40px;
}
.neo-ia .cii-i {
  max-width: 1000px;
  margin: 0 auto;
  background: linear-gradient(135deg, var(--violet-soft), #fff);
  border: 1px solid var(--violet);
  border-radius: var(--rxl);
  padding: 48px;
  text-align: center;
}
.neo-ia .cii-i .sec-eb {
  margin-bottom: 20px;
}
.neo-ia .cii-i h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 34px)!important;
  font-weight: 900;
  color: var(--n900);
  margin-bottom: 16px;
  line-height: 1.2;
  letter-spacing: -0.025em;
}
.neo-ia .cii-i h2 .ac {
  color: var(--violet);
}
.neo-ia .cii-i p {
  font-size: 16px;
  color: var(--n600);
  line-height: 1.7;
  margin-bottom: 24px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}
.neo-ia .cii-calc {
  background: #fff;
  border: 1px solid var(--violet);
  border-radius: var(--rxl);
  padding: 24px;
  margin-bottom: 24px;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 16px;
  align-items: center;
  text-align: center;
}
.neo-ia .cii-calc-c {
  display: flex;
  flex-direction: column;
}
.neo-ia .cii-calc-l {
  font-size: 11px;
  color: var(--n500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--font-display);
  font-weight: 700;
  margin-bottom: 4px;
}
.neo-ia .cii-calc-v {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 900;
  color: var(--n900);
  letter-spacing: -0.02em;
  line-height: 1;
}
.neo-ia .cii-calc-v.vi {
  color: var(--violet);
}
.neo-ia .cii-calc-v.su {
  color: var(--success-dark);
}
.neo-ia .cii-calc-op {
  font-family: var(--font-display);
  font-size: 24px;
  color: var(--n400);
  font-weight: 300;
}
.faq-ia .faq-s {
  padding: 90px 40px;
  background: var(--n25);
}
.faq-ia .faq-i {
  max-width: 900px;
  margin: 0 auto;
}
.faq-ia .faq-it {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 40px;
}
.faq-ia .faq-x {
  background: #fff;
  border: 1px solid var(--n100);
  border-radius: var(--rl);
  overflow: hidden;
  transition: all 0.3s;
}
.faq-ia .faq-x.op {
  border-color: var(--violet);
  box-shadow: var(--md);
}
.faq-ia .faq-q {
  padding: 20px 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--n900);
  letter-spacing: -0.01em;
}
.faq-ia .faq-q i {
  width: 28px;
  height: 28px;
  background: var(--n50);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--violet);
  transition: all 0.3s;
  font-size: 16px;
  flex-shrink: 0;
  margin-left: 14px;
}
.faq-ia .faq-x.op .faq-q i {
  background: var(--violet);
  color: #fff;
  transform: rotate(45deg);
}
.faq-ia .faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 14px;
  color: var(--n600);
  line-height: 1.7;
}
.faq-ia .faq-ai {
  padding: 0 26px 22px;
}
.faq-ia .faq-ai strong {
  color: var(--n900);
  font-weight: 600;
}
.faq-ia .faq-ai p {
  margin-bottom: 10px;
}
.faq-ia .faq-ai p:last-child {
  margin-bottom: 0;
}
.faq-ia .faq-x.op .faq-a {
  max-height: 500px;
}
.cta {
  padding: 80px 40px 100px;
  background: linear-gradient(135deg, var(--violet), var(--violet-dark));
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(248, 149, 36, 0.3), transparent 60%);
  filter: blur(80px);
}
.cta-i {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  color: #fff;
}
.cta-i h2 {
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 44px)!important;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  color: #fff;
}
.cta-i h2 .ac {
  color: var(--accent);
}
.cta-i p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin: 0 auto 32px;
}
.cta-bt {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
footer {
  background: var(--n900);
  color: #fff;
  padding: 60px 40px 32px;
}
.f-i {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}
.f-b {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff;
}
.f-l {
  display: flex;
  gap: 28px;
  font-size: 13px;
  flex-wrap: wrap;
}
.f-l a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  transition: color 0.2s;
}
.f-l a:hover {
  color: var(--violet);
}
.f-c {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
}
@media (max-width: 1024px) {
  .hero-i {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .bnf-g {
    grid-template-columns: 1fr;
  }
  .how-g {
    grid-template-columns: repeat(2, 1fr);
  }
  .cas-g {
    grid-template-columns: 1fr;
  }
  .cii-calc {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .cii-calc-op {
    transform: rotate(90deg);
  }
}
@media (max-width: 768px) {
  .nav {
    padding: 12px 20px;
  }
  .nav-bc {
    display: none;
  }
  .hero {
    padding: 90px 20px 50px;
  }
  .cas,
  .cii-sec,
  .faq-s,
  .cta {
    padding-left: 20px;
    padding-right: 20px;
  }
  .how-g {
    grid-template-columns: 1fr;
  }
  .cii-i {
    padding: 32px 24px;
  }
  .f-i {
    flex-direction: column;
    text-align: center;
  }
}
