:root {
  --blue-50: #eff6ff;
  --blue-100: #dbeafe;
  --blue-500: #3b82f6;
  --blue-600: #2563eb;
  --blue-700: #1d4ed8;
  --blue-900: #0b1e4a;
  --ink: #0a1330;
  --muted: #5b6b8a;
  --line: #e6ecf5;
  --white: #ffffff;
  --bg-alt: #f5f8ff;
  --shadow-sm: 0 1px 2px rgba(11, 30, 74, 0.04);
  --shadow: 0 10px 30px rgba(11, 30, 74, 0.08);
  --radius: 14px;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

/* -------- Nav -------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-weight: 500;
  font-size: 15px;
  color: var(--ink);
}
.nav__links a:not(.btn):hover { color: var(--blue-600); }

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.01em;
}
.logo__mark {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
  position: relative;
}
.logo__mark::after {
  content: '';
  position: absolute;
  inset: 6px;
  background: var(--white);
  border-radius: 4px;
}
.logo__text { color: var(--ink); }
.logo__accent { color: var(--blue-600); margin-left: 2px; }

/* -------- Buttons -------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn--primary {
  background: var(--blue-600);
  color: var(--white);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
}
.btn--primary:hover { background: var(--blue-700); transform: translateY(-1px); }
.btn--ghost {
  color: var(--blue-600);
  background: transparent;
  border-color: var(--blue-100);
}
.btn--ghost:hover { background: var(--blue-50); }
.btn--small { padding: 9px 16px; font-size: 14px; background: var(--ink); color: var(--white); }
.btn--small:hover { background: var(--blue-700); }
.btn--large { padding: 16px 28px; font-size: 16px; }

/* -------- Hero -------- */
.hero {
  position: relative;
  padding: 100px 0 80px;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 80% -10%, rgba(37, 99, 235, 0.14), transparent 55%),
    radial-gradient(ellipse at 0% 0%, rgba(59, 130, 246, 0.10), transparent 50%),
    var(--white);
}
.hero__inner { max-width: 860px; }
.eyebrow {
  display: inline-block;
  padding: 6px 12px;
  background: var(--blue-50);
  color: var(--blue-700);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 20px;
}
.eyebrow--center { display: inline-block; }
.section__title, h1 {
  letter-spacing: -0.025em;
}
h1 {
  font-size: clamp(40px, 6.2vw, 72px);
  line-height: 1.05;
  font-weight: 800;
  margin: 0 0 20px;
  color: var(--ink);
}
.accent { color: var(--blue-600); }
.lede {
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--muted);
  max-width: 640px;
  margin: 0 0 32px;
}
.hero__cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 60px; }
.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  max-width: 680px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}
.stat__num {
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 800;
  color: var(--blue-700);
  letter-spacing: -0.02em;
}
.stat__label { color: var(--muted); font-size: 14px; margin-top: 4px; }

/* -------- Logos strip -------- */
.logos {
  padding: 30px 0 10px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--white);
}
.logos__label {
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin: 0 0 18px;
}
.logos__row {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding-bottom: 20px;
}
.logos__row span {
  color: var(--blue-900);
  opacity: 0.45;
  font-weight: 800;
  letter-spacing: 0.18em;
  font-size: 14px;
}

/* -------- Sections -------- */
.section { padding: 100px 0; }
.section--alt { background: var(--bg-alt); }
.section__title {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;
  margin: 10px 0 14px;
  text-align: center;
  color: var(--ink);
}
.section__sub {
  text-align: center;
  color: var(--muted);
  max-width: 640px;
  margin: 0 auto 56px;
  font-size: 17px;
}

/* -------- Cards -------- */
.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--blue-100);
}
.card__icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 18px;
  font-size: 14px;
  letter-spacing: 0.02em;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
}
.card__icon--tiktok { background: linear-gradient(135deg, var(--ink), var(--blue-700)); }
.card__icon--creative { background: linear-gradient(135deg, var(--blue-500), #60a5fa); }
.card h3 { margin: 0 0 10px; font-size: 22px; font-weight: 700; }
.card p { margin: 0 0 16px; color: var(--muted); }
.card__list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}
.card__list li {
  padding: 6px 0 6px 22px;
  color: var(--ink);
  font-size: 14.5px;
  position: relative;
}
.card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 13px;
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background: var(--blue-100);
  border: 2px solid var(--blue-600);
}

/* -------- Results -------- */
.results {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}
.result {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  text-align: left;
}
.result__num {
  font-size: clamp(32px, 3.6vw, 42px);
  font-weight: 800;
  color: var(--blue-600);
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}
.result__label { color: var(--muted); font-size: 14.5px; }

/* -------- Process -------- */
.process {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}
.process li {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
}
.process__num {
  display: inline-block;
  font-weight: 800;
  color: var(--blue-600);
  background: var(--blue-50);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: 0.04em;
  margin-bottom: 14px;
}
.process h3 { margin: 0 0 8px; font-size: 19px; font-weight: 700; }
.process p { margin: 0; color: var(--muted); font-size: 14.5px; }

/* -------- CTA -------- */
.cta {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-900));
  color: var(--white);
  text-align: center;
}
.cta h2 {
  font-size: clamp(32px, 4.2vw, 52px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
}
.cta p { color: rgba(255,255,255,0.85); max-width: 560px; margin: 0 auto 32px; font-size: 17px; }
.cta .btn--primary {
  background: var(--white);
  color: var(--blue-700);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.2);
}
.cta .btn--primary:hover { background: var(--blue-50); color: var(--blue-700); }

/* -------- Footer -------- */
.footer {
  padding: 32px 0;
  border-top: 1px solid var(--line);
  background: var(--white);
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.footer p { color: var(--muted); font-size: 14px; margin: 0; }

/* -------- Responsive -------- */
@media (max-width: 880px) {
  .cards, .results, .process { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero__stats { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
  .nav__links a:not(.btn) { display: none; }
}
@media (max-width: 560px) {
  .cards, .results, .process, .hero__stats { grid-template-columns: 1fr; }
  .logos__row { justify-content: center; gap: 18px; }
  .footer__inner { flex-direction: column; text-align: center; }
  .hero { padding: 72px 0 56px; }
  .section { padding: 72px 0; }
}