/* Waypoint AI — marketing site
   Route Mark / cool grey & navy design direction */

:root {
  --bg: #f3f5f7;
  --ink: #14181f;
  --ink-72: rgba(20, 24, 31, .72);
  --ink-50: rgba(20, 24, 31, .5);
  --ink-14: rgba(20, 24, 31, .14);
  --card: #fbfcfd;
  --navy: oklch(0.38 0.08 255);
  --navy-tint: rgba(30, 60, 140, .055);
  --dark-text: #eef1f5;
  --dark-text-72: rgba(238, 241, 245, .72);
  --dark-line: rgba(238, 241, 245, .2);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Libre Franklin', system-ui, sans-serif;
}

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

img, svg {
  display: block;
}

h1, h2 {
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 400;
  letter-spacing: -.02em;
  margin: 0;
}

.eyebrow {
  font: 500 12px/1 'IBM Plex Mono', monospace;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 18px;
}

.eyebrow.on-dark {
  color: var(--dark-text-72);
}

/* ---- Buttons ---- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font: 600 15px 'Libre Franklin', sans-serif;
  padding: 15px 26px;
  border-radius: 4px;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--ink);
  color: var(--bg);
}

.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink-14);
}

.btn-on-navy {
  background: var(--bg);
  color: var(--ink);
}

/* ---- Header / nav ---- */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  border-bottom: 1px solid var(--ink-14);
  flex-wrap: wrap;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}

.nav-panel {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.main-nav a:not(.btn) {
  font: 400 14.5px 'Libre Franklin', sans-serif;
  color: var(--ink-50);
}

.main-nav a[aria-current="page"] {
  font-weight: 500;
  color: var(--ink);
}

.main-nav .btn {
  padding: 12px 18px;
  font-size: 14px;
}

.nav-toggle {
  display: none;
}

/* ---- Footer ---- */

.site-footer {
  background: var(--ink);
  color: var(--dark-text-72);
  padding: 32px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.tagline {
  font: 400 13.5px 'Libre Franklin', sans-serif;
}

.footer-links {
  display: flex;
  gap: 24px;
  font: 400 13.5px 'Libre Franklin', sans-serif;
  flex-wrap: wrap;
}

/* ---- "How it works" step grid (index) ---- */

.step-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--ink-14);
  border: 1px solid var(--ink-14);
}

.step {
  background: var(--card);
  padding: 32px 30px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.step-num {
  font: 500 34px 'Newsreader', Georgia, serif;
  color: var(--navy);
  line-height: 1;
}

.step h3 {
  font: 600 19px 'Libre Franklin', sans-serif;
  margin: 0;
}

.step p {
  font: 400 15.5px/1.65 'Libre Franklin', sans-serif;
  color: var(--ink-72);
  margin: 0;
}

/* ---- Mobile ---- */

@media (max-width: 820px) {
  .site-header {
    padding: 14px 20px;
    position: relative;
  }

  .nav-panel {
    display: none;
  }

  .nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 24px;
    justify-content: center;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
  }

  .nav-toggle span {
    width: 100%;
    height: 2px;
    background: var(--ink);
    display: block;
    flex: none;
  }

  .main-nav.nav-open .nav-panel {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    position: absolute;
    top: 100%;
    left: 20px;
    right: 20px;
    margin-top: 8px;
    background: var(--bg);
    border: 1px solid var(--ink-14);
    border-radius: 6px;
    padding: 20px 22px;
  }

  .main-nav.nav-open .nav-panel .btn {
    width: 100%;
  }

  .step-grid {
    display: flex;
    flex-direction: column;
    gap: 13px;
    background: none;
    border: none;
  }

  .step {
    border: 1px solid var(--ink-14);
    border-radius: 6px;
    padding: 22px 20px;
  }

  .step-num {
    font-size: 26px;
  }

  .site-footer {
    padding: 24px 20px;
    flex-direction: column;
    align-items: flex-start;
  }
}