:root {
  --blue: #1a73e8;
  --blue-dark: #1765cc;
  --ink: #202124;
  --muted: #5f6368;
  --bg: #ffffff;
  --hairline: #e8eaed;
  /* Material You pastel surfaces */
  --soft-blue: #d3e3fd;
  --soft-green: #c4eed0;
  --soft-yellow: #fde293;
  --soft-pink: #f6cae1;
  --soft-purple: #e9ddff;
  --soft-gray: #f1f3f4;
  --radius: 28px;
  --radius-sm: 20px;
  --max: 1120px;
  --display: "Poppins", "Google Sans", -apple-system, sans-serif;
  --body: "Roboto", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
.inner { max-width: var(--max); margin: 0 auto; padding: 0 28px; }

/* ---------- Nav ---------- */
.nav { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.9); backdrop-filter: blur(16px); border-bottom: 1px solid var(--hairline); }
.nav-inner { max-width: 1200px; margin: 0 auto; padding: 0 28px; height: 66px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--display); font-weight: 600; font-size: 1.2rem; }
.brand-logo { display: block; width: 34px; height: 34px; }
.footer .brand-logo { width: 30px; height: 30px; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { font-size: 0.95rem; font-weight: 500; color: var(--muted); }
.nav-links a:hover { color: var(--ink); }
.nav-btn { background: var(--ink); color: #fff !important; padding: 10px 22px; border-radius: 980px; font-weight: 500; }
.nav-btn:hover { background: #000; }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; margin: -8px -8px -8px 0; cursor: pointer; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .2s, opacity .2s; }
.nav-toggle span + span { margin-top: 5px; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Buttons ---------- */
.btn { display: inline-block; font-family: var(--body); font-weight: 500; font-size: 1rem; padding: 13px 28px; border-radius: 980px; transition: background .2s, box-shadow .2s; }
.btn-blue { background: var(--blue); color: #fff; }
.btn-blue:hover { background: var(--blue-dark); box-shadow: 0 6px 18px -6px rgba(26,115,232,.6); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #000; }
.btn-tonal { background: var(--soft-blue); color: var(--blue-dark); }
.btn-tonal:hover { background: #bcd5fb; }

/* ---------- Hero ---------- */
.hero { text-align: center; padding: 92px 28px 70px; max-width: 880px; margin: 0 auto; }
.hero h1 { font-family: var(--display); font-size: clamp(2.6rem, 6vw, 4.4rem); font-weight: 600; line-height: 1.07; letter-spacing: -0.02em; margin-bottom: 20px; }
.hero h1 span { color: var(--blue); }
.hero-lede { font-size: clamp(1.15rem, 2.4vw, 1.5rem); color: var(--muted); max-width: 600px; margin: 0 auto 32px; }
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- Apps (big pastel bento) ---------- */
.apps { padding: 30px 0 70px; }
.app-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.app-card { border-radius: var(--radius); padding: 40px 34px; min-height: 340px; display: flex; flex-direction: column; transition: transform .25s ease; }
.app-card:hover { transform: translateY(-5px); }
.app-card.blue { background: var(--soft-blue); }
.app-card.green { background: var(--soft-green); }
.app-card.purple { background: var(--soft-purple); }
.app-emoji { font-size: 4.5rem; line-height: 1; margin-bottom: 24px; }
.app-card h3 { font-family: var(--display); font-size: 1.9rem; font-weight: 600; margin-bottom: 10px; }
.app-card p { color: #3c4043; font-size: 1.05rem; margin-bottom: 24px; }
.app-card .btn { margin-top: auto; align-self: flex-start; }

/* ---------- Sections ---------- */
.section { padding: 76px 0; }
.section-head { text-align: center; max-width: 660px; margin: 0 auto 48px; }
.section-head h2 { font-family: var(--display); font-size: clamp(1.9rem, 4vw, 2.8rem); font-weight: 600; letter-spacing: -0.01em; }
.section-head p { color: var(--muted); font-size: 1.1rem; margin-top: 10px; }

/* ---------- Mission ---------- */
.mission .card { background: var(--ink); color: #fff; border-radius: var(--radius); padding: 80px 48px; text-align: center; }
.mission .card h2 { font-family: var(--display); font-size: clamp(1.9rem, 4.5vw, 3rem); font-weight: 600; line-height: 1.2; max-width: 820px; margin: 0 auto; }
.mission .card h2 span { color: #8ab4f8; }

/* ---------- Values (color tiles) ---------- */
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.value { border-radius: var(--radius-sm); padding: 36px 30px; }
.value.c1 { background: var(--soft-yellow); }
.value.c2 { background: var(--soft-pink); }
.value.c3 { background: var(--soft-purple); }
.value-icon { font-size: 2.4rem; margin-bottom: 16px; }
.value h3 { font-family: var(--display); font-size: 1.35rem; font-weight: 600; margin-bottom: 8px; }
.value p { color: #3c4043; font-size: 1rem; }

/* ---------- About ---------- */
.about .card { background: var(--soft-gray); border-radius: var(--radius); padding: 70px 48px; text-align: center; }
.about .card h2 { font-family: var(--display); font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 600; margin-bottom: 18px; }
.about .card p { max-width: 700px; margin: 0 auto; font-size: 1.15rem; color: #3c4043; }

/* ---------- Contact ---------- */
.contact { text-align: center; padding: 90px 0; }
.contact h2 { font-family: var(--display); font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 600; margin-bottom: 14px; }
.contact p { color: var(--muted); font-size: 1.15rem; margin-bottom: 30px; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--hairline); padding: 36px 0; }
.footer-inner { max-width: 1200px; margin: 0 auto; padding: 0 28px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer-copy { font-size: .85rem; color: var(--muted); }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .app-grid { grid-template-columns: 1fr; }
  .value-grid { grid-template-columns: 1fr; }
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 66px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    background: #fff;
    border-bottom: 1px solid var(--hairline);
    padding: 10px 20px 18px;
    box-shadow: 0 14px 26px -14px rgba(32,33,36,.28);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 13px 8px; font-size: 1.05rem; }
  .nav-links a.nav-btn { text-align: center; margin-top: 8px; padding: 13px 22px; }
}
@media (max-width: 600px) {
  .section, .contact { padding: 60px 0; }
  .hero { padding: 64px 24px 56px; }
  .mission .card, .about .card { padding: 56px 28px; }
  .footer-inner { flex-direction: column; text-align: center; }
}
