/* ── Reset & base ─────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --c-bg:       #07080f;
  --c-bg2:      #0d0e1a;
  --c-surface:  #12141f;
  --c-border:   rgba(255,255,255,.08);
  --c-text:     #e8eaf0;
  --c-muted:    #8890a8;
  --c-primary:  #6C63FF;
  --c-accent:   #00D4FF;
  --c-grad:     linear-gradient(135deg, #6C63FF 0%, #00D4FF 100%);
  --c-grad-r:   linear-gradient(135deg, #00D4FF 0%, #6C63FF 100%);
  --radius-sm:  8px;
  --radius-md:  14px;
  --radius-lg:  20px;
  --shadow:     0 4px 32px rgba(108,99,255,.18);
  --font:       'Inter', system-ui, -apple-system, sans-serif;
  --transition: 200ms ease;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ── Typography ───────────────────────────────────────────────────────── */
h1, h2, h3 { font-weight: 700; letter-spacing: -.02em; line-height: 1.15; }
h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: 1.15rem; }
p  { color: var(--c-muted); }
a  { color: inherit; text-decoration: none; }

.gradient-text {
  background: var(--c-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Layout ───────────────────────────────────────────────────────────── */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 100px 0; }

.section__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}
.section__label {
  display: inline-block;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-primary);
  margin-bottom: 14px;
}
.section__title { color: var(--c-text); }

/* ── Buttons ──────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: var(--font);
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }

.btn--sm  { font-size: .85rem; padding: 9px 18px; }
.btn--lg  { font-size: 1rem;   padding: 14px 28px; }
.btn--xl  { font-size: 1.05rem; padding: 18px 36px; }

.btn--primary {
  background: var(--c-grad);
  color: #fff;
  box-shadow: 0 0 32px rgba(108,99,255,.35);
}
.btn--primary:hover { box-shadow: 0 0 48px rgba(108,99,255,.55); opacity: .92; }

.btn--ghost {
  background: transparent;
  color: var(--c-text);
  border: 1px solid var(--c-border);
}
.btn--ghost:hover { border-color: rgba(255,255,255,.25); background: rgba(255,255,255,.04); }

/* ── NAV ──────────────────────────────────────────────────────────────── */
.nav-wrap {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7,8,15,.8);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--c-border);
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--c-text);
  margin-right: auto;
}
.nav__logo strong { color: var(--c-primary); }

.nav__links {
  list-style: none;
  display: flex;
  gap: 28px;
}
.nav__links a {
  font-size: .9rem;
  color: var(--c-muted);
  transition: color var(--transition);
}
.nav__links a:hover { color: var(--c-text); }

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.nav__burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--c-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* ── HERO ─────────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  overflow: hidden;
  padding: 120px 0 140px;
  text-align: center;
}

.hero__glow {
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(ellipse at center, rgba(108,99,255,.22) 0%, transparent 70%);
  pointer-events: none;
}

.hero__inner { position: relative; }

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--c-muted);
  border: 1px solid var(--c-border);
  border-radius: 99px;
  padding: 6px 16px;
  margin-bottom: 28px;
}
.badge__dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--c-accent);
  box-shadow: 0 0 8px var(--c-accent);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: .6; transform: scale(.85); }
}

.hero__title { margin-bottom: 20px; }

.hero__sub {
  font-size: 1.15rem;
  max-width: 620px;
  margin: 0 auto 40px;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  margin-bottom: 52px;
}

.hero__proof {
  display: inline-flex;
  align-items: center;
  gap: 24px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 14px 28px;
  font-size: .9rem;
}
.proof__item strong { color: var(--c-text); }
.proof__divider {
  width: 1px;
  height: 20px;
  background: var(--c-border);
}

/* ── BENEFITS ─────────────────────────────────────────────────────────── */
.benefits { background: var(--c-bg2); }

.benefits__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.benefit-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: border-color var(--transition), transform var(--transition);
}
.benefit-card:hover {
  border-color: rgba(108,99,255,.4);
  transform: translateY(-4px);
}

.benefit-card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(108,99,255,.12);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--c-primary);
}
.benefit-card__icon svg { width: 22px; height: 22px; }

.benefit-card h3 { color: var(--c-text); margin-bottom: 10px; }

/* ── HOW IT WORKS ─────────────────────────────────────────────────────── */
.how__steps {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 740px;
  margin: 0 auto;
  position: relative;
}
.how__steps::before {
  content: '';
  position: absolute;
  left: 35px;
  top: 32px;
  bottom: 32px;
  width: 1px;
  background: linear-gradient(to bottom, var(--c-primary), var(--c-accent));
  opacity: .3;
}

.how__step {
  display: flex;
  gap: 28px;
  padding: 28px 0;
}
.step__number {
  flex-shrink: 0;
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: var(--c-grad);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .9rem;
  font-weight: 800;
  color: #fff;
  box-shadow: var(--shadow);
  position: relative;
  z-index: 1;
}
.step__content h3 { color: var(--c-text); margin-bottom: 8px; margin-top: 18px; }

.how__cta { text-align: center; margin-top: 48px; }

/* ── USE CASES ────────────────────────────────────────────────────────── */
.use-cases { background: var(--c-bg2); }

.use-cases__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.use-case-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition);
}
.use-case-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--c-grad);
  opacity: 0;
  transition: opacity var(--transition);
}
.use-case-card:hover { border-color: rgba(108,99,255,.35); transform: translateY(-4px); }
.use-case-card:hover::before { opacity: 1; }

.use-case-card__tag {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--c-accent);
  border: 1px solid rgba(0,212,255,.25);
  border-radius: 99px;
  padding: 3px 12px;
  margin-bottom: 16px;
}
.use-case-card h3 { color: var(--c-text); margin-bottom: 10px; }

/* ── FEATURES ─────────────────────────────────────────────────────────── */
.features__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  font-size: .9rem;
  color: var(--c-text);
  transition: border-color var(--transition);
}
.feature-item:hover { border-color: rgba(108,99,255,.35); }
.feature-item__icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--c-primary);
}

/* ── FAQ ──────────────────────────────────────────────────────────────── */
.faq { background: var(--c-bg2); }

.faq__list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq__item {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq__item[open] { border-color: rgba(108,99,255,.4); }

.faq__question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-text);
  list-style: none;
  gap: 16px;
}
.faq__question::-webkit-details-marker { display: none; }
.faq__question::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  flex-shrink: 0;
  color: var(--c-primary);
  transition: transform var(--transition);
}
.faq__item[open] .faq__question::after { transform: rotate(45deg); }

.faq__answer {
  padding: 0 24px 20px;
}
.faq__answer p { font-size: .95rem; }
.faq__answer a { color: var(--c-primary); text-decoration: underline; }

/* ── FINAL CTA ────────────────────────────────────────────────────────── */
.cta-final {
  background: var(--c-bg);
  padding: 120px 0;
}
.cta-final__inner {
  text-align: center;
  position: relative;
}
.cta-final__glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 700px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(108,99,255,.2) 0%, transparent 70%);
  pointer-events: none;
}
.cta-final__title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  margin-bottom: 20px;
  position: relative;
}
.cta-final__sub {
  max-width: 540px;
  margin: 0 auto 40px;
  font-size: 1.05rem;
  position: relative;
}
.cta-final__disclaimer {
  margin-top: 20px;
  font-size: .78rem;
  position: relative;
}

/* ── FOOTER ───────────────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--c-border);
  padding: 40px 0;
  background: var(--c-bg);
}
.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 32px;
  justify-content: space-between;
}
.footer__logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .95rem;
  font-weight: 600;
  color: var(--c-text);
}
.footer__logo strong { color: var(--c-primary); }
.footer__copy, .footer__risk {
  font-size: .8rem;
  color: var(--c-muted);
}
.footer__risk { max-width: 480px; }

/* ── Responsive ───────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .benefits__grid    { grid-template-columns: repeat(2, 1fr); }
  .features__grid    { grid-template-columns: repeat(3, 1fr); }
  .use-cases__grid   { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav__links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(7,8,15,.97);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--c-border);
    padding: 20px 24px 28px;
    gap: 18px;
  }
  .nav__links--open { display: flex; }
  .nav__links a { font-size: 1rem; }
  .nav__burger { display: flex; }
  .nav > .btn--sm { display: none; }

  .hero { padding: 80px 0 100px; }
  .hero__proof { flex-direction: column; gap: 10px; font-size: .85rem; padding: 16px 20px; }
  .proof__divider { width: 40px; height: 1px; }

  .section { padding: 72px 0; }
  .section__header { margin-bottom: 44px; }

  .benefits__grid    { grid-template-columns: 1fr; }
  .use-cases__grid   { grid-template-columns: 1fr; }
  .features__grid    { grid-template-columns: repeat(2, 1fr); }

  .how__steps::before { display: none; }
  .how__step { flex-direction: column; align-items: flex-start; gap: 14px; }
  .step__content h3 { margin-top: 0; }

  .footer__inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .features__grid { grid-template-columns: 1fr; }
  .hero__cta { flex-direction: column; align-items: center; }
  .btn--lg, .btn--xl { width: 100%; max-width: 340px; }
}