:root {
  --ink: #152018;
  --muted: #4a5a50;
  --paper: #e8efe6;
  --paper-deep: #d5e0d3;
  --card: rgba(255, 255, 255, 0.72);
  --accent: #1f6b4a;
  --accent-hover: #15553a;
  --line: rgba(21, 32, 24, 0.1);
  --shadow: 0 18px 40px rgba(21, 32, 24, 0.08);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  color: var(--ink);
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  background:
    radial-gradient(1200px 700px at 12% -10%, #f4faf2 0%, transparent 55%),
    radial-gradient(900px 600px at 100% 0%, #d9e8de 0%, transparent 50%),
    linear-gradient(180deg, var(--paper) 0%, var(--paper-deep) 100%);
}

.page {
  width: min(860px, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: clamp(3.5rem, 12vh, 7rem) 0 4rem;
}

.brand {
  text-align: center;
}

.brand h1 {
  margin: 0;
  font-family: Syne, "IBM Plex Sans", sans-serif;
  font-size: clamp(3.4rem, 10vw, 5.2rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.95;
}

.tools {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: clamp(2.5rem, 7vh, 4rem);
}

.tool-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-height: 100%;
  padding: 1.4rem 1.35rem 1.3rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--card);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.tool-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 0.95rem 1.2rem;
  border-radius: 0.55rem;
  background: var(--accent);
  color: #f4faf6;
  font-family: Syne, "IBM Plex Sans", sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
  transition: background 160ms ease, transform 160ms ease;
}

.tool-button:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.tool-button:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 35%, white);
  outline-offset: 3px;
}

.tool-desc {
  flex: 1;
  margin: 1rem 0 0.85rem;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.5;
}

.tool-repo {
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 500;
  text-underline-offset: 0.18em;
}

.tool-repo:hover {
  color: var(--accent);
}

@media (max-width: 640px) {
  .tools {
    grid-template-columns: 1fr;
  }
}