* {
  box-sizing: border-box;
}

:root {
  --bg: #07111f;
  --bg-2: #0d1d33;
  --card: rgba(255, 255, 255, 0.08);
  --card-2: rgba(255, 255, 255, 0.12);
  --text: #f8fbff;
  --muted: #b8c5d6;
  --line: rgba(255, 255, 255, 0.16);
  --accent: #49e1c2;
  --accent-2: #7aa7ff;
  --dark-text: #0e1b2a;
  --light-bg: #f5f8fc;
  --light-card: #ffffff;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.26);
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--dark-text);
  background: var(--light-bg);
}

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

.site-header {
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(73, 225, 194, 0.24), transparent 34rem),
    radial-gradient(circle at top right, rgba(122, 167, 255, 0.28), transparent 34rem),
    linear-gradient(135deg, #06101d 0%, #0b1930 52%, #101c3a 100%);
  overflow: hidden;
  position: relative;
}

.site-header::after {
  content: "";
  position: absolute;
  inset: auto -15% -45% -15%;
  height: 60%;
  background: radial-gradient(circle, rgba(73, 225, 194, 0.16), transparent 55%);
  pointer-events: none;
}

.nav {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 5;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  color: #06101d;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 14px 34px rgba(73, 225, 194, 0.22);
}

.brand-name {
  font-size: 1.35rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  color: var(--muted);
  font-size: 0.95rem;
}

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

.nav-cta {
  color: var(--text) !important;
  border: 1px solid var(--line);
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  width: 42px;
  height: 42px;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 6px 0;
  background: white;
}

.hero {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 90px 0 130px;
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(340px, 0.8fr);
  gap: 54px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  font-weight: 800;
}

h1, h2, h3, p {
  margin-top: 0;
}

h1 {
  font-size: clamp(3rem, 7vw, 6.7rem);
  line-height: 0.88;
  letter-spacing: -0.075em;
  margin-bottom: 28px;
}

h2 {
  font-size: clamp(2.1rem, 4vw, 4rem);
  line-height: 0.96;
  letter-spacing: -0.06em;
  margin-bottom: 18px;
}

h3 {
  font-size: 1.18rem;
  letter-spacing: -0.03em;
}

.hero-text {
  color: var(--muted);
  font-size: 1.18rem;
  line-height: 1.72;
  max-width: 700px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin: 34px 0;
}

.btn {
  border: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #06101d;
  box-shadow: 0 18px 40px rgba(73, 225, 194, 0.24);
}

.btn.secondary {
  color: var(--text);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.08);
}

.trust-strip {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.trust-strip span {
  color: var(--muted);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
  border-radius: 999px;
  padding: 9px 12px;
  font-size: 0.85rem;
}

.hero-card {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 32px;
  background: linear-gradient(180deg, rgba(255,255,255,0.14), rgba(255,255,255,0.06));
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.terminal {
  overflow: hidden;
  border-radius: 22px;
  background: #050912;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.terminal-top {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  color: #8ea4bd;
}

.terminal-top span {
  width: 10px;
  height: 10px;
  background: rgba(255,255,255,0.28);
  border-radius: 50%;
}

.terminal-top strong {
  margin-left: auto;
  font-size: 0.78rem;
}

pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
}

code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.9rem;
  line-height: 1.7;
}

.terminal pre {
  padding: 20px;
  color: #cde8ff;
}

.payment-status {
  margin-top: 18px;
  display: grid;
  gap: 12px;
}

.payment-status div {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 14px;
  border-radius: 18px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.payment-status small {
  color: var(--muted);
}

.success {
  color: var(--accent);
}

.logo-wall {
  padding: 26px 18px;
  background: white;
  display: flex;
  gap: 22px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  box-shadow: 0 16px 50px rgba(14, 27, 42, 0.07);
}

.logo-wall p {
  margin: 0;
  color: #718198;
  font-weight: 700;
}

.logo-wall div {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.logo-wall span {
  padding: 8px 12px;
  border-radius: 999px;
  background: #eef4fb;
  color: #33465c;
  font-size: 0.9rem;
  font-weight: 700;
}

.section {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 110px 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 44px;
}

.section-heading p:not(.eyebrow),
.split p {
  color: #5c6b7e;
  line-height: 1.75;
  font-size: 1.05rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-card,
.cards-3 article {
  background: var(--light-card);
  border: 1px solid #e4ebf3;
  border-radius: 28px;
  padding: 28px;
  box-shadow: 0 16px 45px rgba(14, 27, 42, 0.06);
}

.feature-card p,
.cards-3 p,
.dev-notes p {
  color: #637287;
  line-height: 1.7;
}

.icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: #eef4fb;
  margin-bottom: 20px;
  font-size: 1.35rem;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.8fr);
  gap: 56px;
  align-items: center;
}

.steps {
  list-style: none;
  padding: 0;
  margin: 30px 0 0;
  display: grid;
  gap: 18px;
}

.steps li {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 18px;
  padding: 18px;
  border-radius: 22px;
  background: white;
  border: 1px solid #e4ebf3;
}

.steps strong {
  color: #0d6f62;
}

.steps span {
  color: #637287;
  line-height: 1.6;
}

.flow-card {
  background:
    radial-gradient(circle at top, rgba(73, 225, 194, 0.22), transparent 24rem),
    linear-gradient(135deg, #07111f, #122648);
  border-radius: 34px;
  padding: 34px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255,255,255,0.12);
}

.flow-node {
  color: white;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 22px;
  padding: 22px;
  text-align: center;
  font-weight: 900;
}

.flow-line {
  width: 2px;
  height: 34px;
  background: linear-gradient(var(--accent), var(--accent-2));
  margin: 10px auto;
}

.dark-section {
  width: 100%;
  max-width: none;
  padding: 110px max(18px, calc((100vw - 1180px) / 2));
  color: var(--text);
  background:
    radial-gradient(circle at 90% 10%, rgba(122, 167, 255, 0.24), transparent 28rem),
    linear-gradient(135deg, #07111f, #0d1d33);
}

.dark-section .section-heading p:not(.eyebrow) {
  color: var(--muted);
}

.code-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.code-card {
  border-radius: 28px;
  overflow: hidden;
  background: #050912;
  border: 1px solid rgba(255,255,255,0.12);
}

.code-card h3 {
  margin: 0;
  padding: 18px 20px;
  color: white;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.code-card pre {
  padding: 22px;
  color: #cde8ff;
}

.dev-notes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 18px;
}

.dev-notes div {
  border-radius: 24px;
  padding: 22px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
}

.dev-notes strong {
  display: block;
  margin-bottom: 10px;
}

.dev-notes p {
  margin: 0;
  color: var(--muted);
}

.cards-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  padding-top: 20px;
}

.metrics div {
  padding: 30px;
  border-radius: 28px;
  background: white;
  border: 1px solid #e4ebf3;
  text-align: center;
  box-shadow: 0 16px 45px rgba(14, 27, 42, 0.06);
}

.metrics strong {
  display: block;
  font-size: 2.5rem;
  letter-spacing: -0.06em;
  margin-bottom: 8px;
}

.metrics span {
  color: #637287;
  font-weight: 700;
}

.contact-section {
  padding-top: 60px;
}

.contact-card {
  color: white;
  background:
    radial-gradient(circle at top left, rgba(73, 225, 194, 0.28), transparent 28rem),
    linear-gradient(135deg, #07111f, #13294b);
  border-radius: 38px;
  padding: 42px;
  display: grid;
  grid-template-columns: 0.9fr 1fr;
  gap: 38px;
  box-shadow: var(--shadow);
}

.contact-card p:not(.eyebrow) {
  color: var(--muted);
  line-height: 1.75;
}

.contact-form {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 28px;
  padding: 24px;
  display: grid;
  gap: 14px;
}

label {
  display: grid;
  gap: 8px;
  font-weight: 800;
  color: #dce8f7;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 16px;
  min-height: 48px;
  background: rgba(255,255,255,0.1);
  color: white;
  padding: 0 14px;
  font: inherit;
  outline: none;
}

select option {
  color: #0e1b2a;
}

textarea {
  padding-top: 14px;
  min-height: 110px;
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  color: rgba(255,255,255,0.56);
}

.form-note {
  margin: 0;
  font-size: 0.9rem;
}

.footer {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 34px 0 50px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  color: #637287;
  flex-wrap: wrap;
}

.footer .brand {
  color: #0e1b2a;
}

.footer p {
  margin: 0;
}

.footer div {
  display: flex;
  gap: 18px;
  font-weight: 700;
}

@media (max-width: 920px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 74px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(7, 17, 31, 0.96);
    border: 1px solid var(--line);
    border-radius: 24px;
    padding: 14px;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 14px;
  }

  .hero,
  .split,
  .contact-card {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .code-grid,
  .dev-notes,
  .cards-3,
  .metrics {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 58px;
  }

  .steps li {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .section {
    padding: 78px 0;
  }

  .contact-card {
    padding: 24px;
    border-radius: 28px;
  }

  .hero-card {
    padding: 12px;
    border-radius: 24px;
  }

  .payment-status div {
    display: grid;
  }
}