:root {
  color-scheme: light;
  --mirth-ink: #27213c;
  --mirth-ink-soft: #5a516f;
  --mirth-paper: #fff8ee;
  --mirth-card: #fffdf8;
  --mirth-melon: #ffb15a;
  --mirth-coral: #f36f56;
  --mirth-violet: #6e56cf;
  --mirth-mint: #8dd7bf;
  --mirth-line: rgba(39, 33, 60, 0.14);
  --mirth-shadow: 0 24px 70px rgba(39, 33, 60, 0.16);
  --font-display: ui-rounded, "Avenir Next", "Nunito Sans", system-ui, sans-serif;
  --font-body: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { min-height: 100%; background: var(--mirth-paper); }

body {
  min-height: 100%;
  margin: 0;
  color: var(--mirth-ink);
  font-family: var(--font-body);
  background:
    radial-gradient(circle at 14% 8%, rgba(255, 177, 90, 0.36), transparent 28rem),
    radial-gradient(circle at 86% 4%, rgba(141, 215, 191, 0.42), transparent 24rem),
    linear-gradient(180deg, #fff8ee 0%, #fffaf4 48%, #f7f1ff 100%);
}

a { color: inherit; }

.site-header,
.site-footer {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 0 8px;
}

.logo {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  text-decoration: none;
  font-weight: 850;
  letter-spacing: -0.04em;
}

.logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  box-shadow: 0 10px 26px rgba(39, 33, 60, 0.14);
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.45rem;
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.landing { padding: 34px 0 52px; }

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: center;
  padding: clamp(34px, 6vw, 72px) 0;
}

.hero-copy { max-width: 680px; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 18px;
  color: var(--mirth-violet);
  font-size: 0.84rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 11px;
  height: 11px;
  border-radius: 999px;
  background: var(--mirth-mint);
  box-shadow: 14px 0 0 var(--mirth-melon), 28px 0 0 var(--mirth-coral);
}

h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(4.4rem, 15vw, 10.8rem);
  line-height: 0.78;
  letter-spacing: -0.095em;
}

.tagline {
  max-width: 620px;
  margin: 26px 0 0;
  color: var(--mirth-ink-soft);
  font-size: clamp(1.2rem, 2.1vw, 1.7rem);
  line-height: 1.35;
}

.domain {
  display: inline-flex;
  margin: 22px 0 0;
  padding: 8px 14px;
  border: 1px solid var(--mirth-line);
  border-radius: 999px;
  background: rgba(255, 253, 248, 0.7);
  color: var(--mirth-ink-soft);
  font-weight: 750;
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 850;
  text-decoration: none;
}

.btn-primary {
  color: white;
  background: var(--mirth-ink);
  box-shadow: 0 14px 36px rgba(39, 33, 60, 0.2);
}

.btn-secondary {
  color: var(--mirth-ink);
  background: rgba(255, 253, 248, 0.72);
  border-color: var(--mirth-line);
}

.smile-card {
  position: relative;
  min-height: 360px;
  border: 1px solid var(--mirth-line);
  border-radius: 38px;
  background: rgba(255, 253, 248, 0.68);
  box-shadow: var(--mirth-shadow);
  overflow: hidden;
}

.smile-card::before {
  content: "";
  position: absolute;
  inset: 28px;
  border-radius: 30px;
  background:
    radial-gradient(circle at 33% 34%, #fff8ee 0 12px, transparent 13px),
    radial-gradient(circle at 67% 34%, #fff8ee 0 12px, transparent 13px),
    linear-gradient(135deg, var(--mirth-melon), var(--mirth-coral) 48%, var(--mirth-violet));
}

.smile-card::after {
  content: "";
  position: absolute;
  left: 27%;
  right: 27%;
  top: 47%;
  height: 48px;
  border-bottom: 16px solid #fff8ee;
  border-radius: 0 0 999px 999px;
}

.feed-strip {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  display: grid;
  gap: 10px;
}

.feed-strip span {
  height: 12px;
  border-radius: 999px;
  background: rgba(255, 248, 238, 0.74);
}

.feed-strip span:nth-child(2) { width: 72%; }
.feed-strip span:nth-child(3) { width: 48%; }

.principles {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--mirth-line);
  padding-top: 24px;
}

.section-heading h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 3.4rem);
  letter-spacing: -0.06em;
}

.section-heading p {
  max-width: 390px;
  margin: 0;
  color: var(--mirth-ink-soft);
  line-height: 1.5;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.principle {
  min-height: 190px;
  padding: 22px;
  border: 1px solid var(--mirth-line);
  border-radius: 28px;
  background: rgba(255, 253, 248, 0.76);
}

.principle h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1.22rem;
  letter-spacing: -0.035em;
}

.principle p {
  margin: 0;
  color: var(--mirth-ink-soft);
  line-height: 1.5;
}

.site-footer {
  padding: 26px 0 36px;
  border-top: 1px solid var(--mirth-line);
}

.site-footer nav {
  display: flex;
  gap: 18px;
  color: var(--mirth-ink-soft);
  font-size: 0.94rem;
}

:focus-visible {
  outline: 3px solid var(--mirth-violet);
  outline-offset: 3px;
}

@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; }
  .smile-card { min-height: 260px; }
  .principle-grid { grid-template-columns: 1fr 1fr; }
  .section-heading { align-items: start; flex-direction: column; }
}

@media (max-width: 560px) {
  .site-header, .site-footer, .container { width: min(100% - 28px, 1120px); }
  h1 { font-size: clamp(4.1rem, 25vw, 6rem); }
  .principle-grid { grid-template-columns: 1fr; }
  .cta-group { flex-direction: column; }
  .btn { width: 100%; }
}

@media (prefers-reduced-motion: no-preference) {
  .smile-card { animation: float-smile 6s ease-in-out infinite; }
  @keyframes float-smile {
    0%, 100% { transform: translateY(0) rotate(-1deg); }
    50% { transform: translateY(-10px) rotate(1deg); }
  }
}