:root {
  --black: #000000;
  --white: #ffffff;
  --grey-light: #f5f5f5;
  --grey-medium: #888888;
  --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Inter", sans-serif;
  background-color: var(--white);
  color: var(--black);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.logo {
  font-size: 1.1rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.logo img {
  display: block;
  height: 32px;
  width: auto;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  z-index: 100;
  border-bottom: 1px solid #eee;
}

.header-content {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-nav {
  display: flex;
  align-items: center;
}

/* Hero */
.hero {
  max-width: 900px;
  margin: 0 auto;
  padding: 100px 20px;
  text-align: center;
}

.hero-icon {
  width: 120px;
  height: 120px;
  border-radius: 24px;
  margin-bottom: 32px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.hero h1 {
  font-size: clamp(2.2rem, 7vw, 4rem);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -2px;
  margin-bottom: 24px;
}

.hero p {
  font-size: 1.2rem;
  color: var(--grey-medium);
  max-width: 550px;
  margin: 0 auto 48px;
}

/* Buttons */
.cta-group {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.btn-mono {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 28px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--black);
  background: var(--white);
  border: 1.5px solid var(--black);
  transition: var(--transition);
}

.icon {
  fill: currentColor; /* SVG takes the color of the text automatically */
  transition: var(--transition);
}

.btn-mono:hover {
  background: var(--black);
  color: var(--white);
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.btn-small {
  padding: 8px 16px;
  font-size: 0.85rem;
  border-radius: 4px;
  background: var(--black);
  color: var(--white);
  text-decoration: none;
  font-weight: 600;
  border: 1.5px solid var(--black);
  transition: var(--transition);
}

.btn-small:hover {
  background: var(--white);
  color: var(--black);
}

/* Grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1px;
  background-color: #eee;
  border-top: 1px solid #eee;
  border-bottom: 1px solid #eee;
}

.card {
  background: var(--white);
  padding: 80px 50px;
  transition: var(--transition);
}

.card-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 800;
  margin-bottom: 20px;
  color: var(--grey-medium);
}

.card h3 {
  font-size: 1.4rem;
  margin-bottom: 12px;
  font-weight: 700;
}

.card p {
  color: var(--grey-medium);
  font-size: 0.95rem;
}

.card:hover {
  background-color: var(--grey-light);
}

/* Footer */
.footer {
  padding: 60px 5%;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
  font-size: 0.8rem;
  color: var(--grey-medium);
}

.footer-links a {
  color: var(--black);
  text-decoration: none;
  margin-left: 20px;
}

@media (max-width: 768px) {
  .hero { padding: 60px 20px; }
  .cta-group { flex-direction: column; align-items: center; }
  .btn-mono { width: 100%; max-width: 280px; justify-content: center; }
  .footer-content { flex-direction: column; gap: 20px; }
}