:root {
  --paper: #f7f4ec;
  --ink: #111111;
  --accent-red: #ff3b30;
  --accent-cyan: #00bcd4;
  --accent-yellow: #ffcf33;
  --line: #181818;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 18%, rgba(255, 59, 48, 0.16), transparent 34%),
    radial-gradient(circle at 86% 82%, rgba(0, 188, 212, 0.17), transparent 36%),
    var(--paper);
  overflow-x: hidden;
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.1;
  background-image: radial-gradient(#000 0.45px, transparent 0.45px);
  background-size: 4px 4px;
  z-index: -1;
}

.topbar,
main,
.footer {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
  backdrop-filter: blur(6px);
}

.brand {
  font-family: "Archivo Black", sans-serif;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--ink);
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav a {
  text-decoration: none;
  color: var(--ink);
  font-weight: 700;
}

.nav .pill {
  border: 2px solid var(--line);
  background: var(--accent-yellow);
  border-radius: 999px;
  padding: 9px 14px;
}

.menu-toggle {
  display: none;
  border: 0;
  background: transparent;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ink);
  margin: 5px 0;
}

section {
  padding: 52px 0;
}

.hero {
  padding-top: 64px;
}

.badge {
  display: inline-block;
  margin: 0 0 14px;
  padding: 8px 12px;
  border: 2px solid var(--line);
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.09em;
}

h1,
h2,
h3 {
  margin: 0;
}

.hero h1 {
  font-family: "Archivo Black", sans-serif;
  font-size: clamp(2.2rem, 9vw, 6.1rem);
  line-height: 0.92;
  letter-spacing: 0.01em;
}

.hero .line:nth-child(1) {
  color: var(--accent-red);
}

.hero .line:nth-child(2) {
  color: var(--accent-cyan);
}

.hero .line {
  display: block;
}

.lead {
  max-width: 620px;
  margin-top: 18px;
  font-size: 1.08rem;
  line-height: 1.6;
}

.hero-cta {
  margin-top: 24px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  text-decoration: none;
  font-weight: 800;
  border: 2px solid var(--line);
  padding: 12px 18px;
  border-radius: 10px;
}

.btn-main {
  background: var(--accent-red);
  color: #fff;
}

.btn-alt {
  background: #fff;
  color: var(--ink);
}

.ticker {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.ticker p {
  margin: 0;
  border: 2px solid var(--line);
  background: #fff;
  border-radius: 10px;
  padding: 14px;
  font-weight: 700;
}

.services h2,
.formula h2,
.cases h2,
.contact h2 {
  font-family: "Archivo Black", sans-serif;
  font-size: clamp(1.6rem, 4vw, 2.8rem);
  margin-bottom: 18px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.service-grid article,
.formula-grid article,
.case-list article,
.contact {
  border: 2px solid var(--line);
  border-radius: 12px;
  background: #fff;
}

.service-grid article {
  padding: 18px;
}

.service-grid p {
  margin-bottom: 0;
}

.formula-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.formula-grid article {
  padding: 16px;
}

.formula-grid span {
  display: inline-block;
  margin-bottom: 10px;
  font-family: "Archivo Black", sans-serif;
  color: var(--accent-red);
}

.formula-grid p {
  margin: 0;
  font-weight: 700;
}

.case-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.case-list article {
  padding: 18px;
}

.kicker {
  margin: 0 0 8px;
  color: #676767;
  font-size: 0.76rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.case-list h3 {
  margin-bottom: 10px;
}

.contact {
  text-align: center;
  padding: 44px 18px;
  background:
    linear-gradient(130deg, rgba(255, 59, 48, 0.16), rgba(255, 207, 51, 0.24)),
    #fff;
}

.contact p {
  max-width: 580px;
  margin: 12px auto 22px;
}

.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0 34px;
  font-weight: 700;
}

.footer a {
  color: var(--ink);
  text-decoration: none;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .ticker {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .formula-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .case-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .menu-toggle {
    display: block;
  }

  .topbar {
    position: relative;
  }

  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    gap: 10px;
    text-align: center;
    border: 2px solid var(--line);
    border-radius: 12px;
    background: #fff;
    padding: 12px;
  }

  .nav.open {
    display: flex;
  }

  .service-grid,
  .ticker,
  .formula-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 36px;
  }

  section {
    padding: 40px 0;
  }

  .footer {
    flex-direction: column;
    gap: 8px;
  }
}