/* ── Miru ───────────────────────────────────────────────────────
   Miru keeps its own weather: warm paper, one deep green, a serif
   that breathes. Everything here is scoped to .miru-body so the
   rest of the site stays black-and-orange.
   ───────────────────────────────────────────────────────────── */

.miru-body {
  --m-green-deep:    #0f4a2e;
  --m-green-dark:    #1d7a4e;
  --m-green:         #2da96e;
  --m-green-light:   #7dd4a8;
  --m-green-pale:    #d6f2e6;

  --m-bg:      #f7f5ef;
  --m-card:    #ffffff;
  --m-surface: #ede9df;
  --m-text:    #3d3d3a;
  --m-muted:   #888780;
  --m-border:  #ddd9cd;

  --m-serif: "Cormorant Garamond", Georgia, serif;
  --m-sans:  "DM Sans", system-ui, sans-serif;

  background-color: var(--m-bg);
  color: var(--m-text);
  font-family: var(--m-sans);
  font-weight: 300;
}

.miru-body ::selection { background: var(--m-green-pale); color: var(--m-green-deep); }
.miru-body ::-webkit-scrollbar-track { background: var(--m-bg); }
.miru-body ::-webkit-scrollbar-thumb { background: var(--m-border); }
.miru-body ::-webkit-scrollbar-thumb:hover { background: var(--m-green); }

/* ── Navbar / menu, re-tuned for paper ──────────────────────── */
.miru-body .navbar-logo { color: var(--m-text); }
.miru-body .hamburger-line { background-color: var(--m-text); }
.miru-body .navbar.navbar-scrolled {
  background-color: rgba(247,245,239,0.88);
  border-bottom: 1px solid var(--m-border);
}
.miru-body .menu-overlay { background-color: rgba(247,245,239,0.96); }
.miru-body .menu-nav a {
  font-family: var(--m-serif);
  font-weight: 300;
  color: var(--m-text);
  letter-spacing: 0.02em;
}
.miru-body .menu-nav a:hover { color: var(--m-green-dark); }

/* ── Shared bits ────────────────────────────────────────────── */
.miru-wrap {
  max-width: 62rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}
@media (min-width: 768px) { .miru-wrap { padding: 0 3rem; } }

.miru-label {
  font-family: var(--m-sans);
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--m-muted);
  margin-bottom: 1.25rem;
}

.miru-h2 {
  font-family: var(--m-serif);
  font-weight: 300;
  font-size: clamp(2rem, 5vw, 2.9rem);
  line-height: 1.2;
  color: var(--m-text);
  letter-spacing: 0.005em;
}

.miru-lead {
  font-family: var(--m-serif);
  font-weight: 400;
  font-size: clamp(1.15rem, 2.2vw, 1.4rem);
  line-height: 1.6;
  color: var(--m-muted);
  max-width: 34rem;
}

.miru-em { font-style: italic; color: var(--m-green-dark); }

/* ── Hero ───────────────────────────────────────────────────── */
.miru-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 8rem 1.5rem 5rem;
  overflow: hidden;
}

/* the slow light behind the mark — one breath, twelve seconds */
.miru-hero-glow {
  position: absolute;
  top: 34%; left: 50%;
  width: 46rem; height: 46rem;
  margin: -23rem 0 0 -23rem;
  border-radius: 50%;
  background: radial-gradient(circle,
              rgba(45,169,110,0.16) 0%,
              rgba(45,169,110,0.06) 42%,
              rgba(45,169,110,0) 68%);
  animation: miruBreathe 12s ease-in-out infinite;
  pointer-events: none;
}
@keyframes miruBreathe {
  0%, 100% { transform: scale(0.86); opacity: 0.55; }
  33%      { transform: scale(1.06); opacity: 1; }
  60%      { transform: scale(1.02); opacity: 0.9; }
}

.miru-mark {
  position: relative;
  width: 5rem;
  height: 5.85rem;
  margin-bottom: 1.75rem;
}
.miru-mark svg { width: 100%; height: 100%; overflow: visible; }
.miru-mark .fern-ghost { stroke: var(--m-green); opacity: 0.14; }
.miru-mark .fern-live  {
  stroke: var(--m-green);
  opacity: 0.95;
  stroke-dasharray: 210;
  stroke-dashoffset: 210;
  animation: miruDraw 12s cubic-bezier(0.37,0,0.28,1) infinite;
}
@keyframes miruDraw {
  0%       { stroke-dashoffset: 210; }
  33%, 62% { stroke-dashoffset: 0; }
  92%, 100%{ stroke-dashoffset: 210; }
}

.miru-wordmark {
  font-family: var(--m-serif);
  font-weight: 300;
  font-size: clamp(3.25rem, 11vw, 5.5rem);
  line-height: 1;
  letter-spacing: 0.22em;
  text-indent: 0.22em;
  color: var(--m-text);
  position: relative;
}
.miru-etymology {
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  color: var(--m-green-dark);
  margin-top: 1rem;
  position: relative;
}
.miru-tagline {
  font-family: var(--m-serif);
  font-weight: 300;
  font-size: clamp(1.4rem, 3.4vw, 2rem);
  line-height: 1.45;
  color: var(--m-text);
  max-width: 30rem;
  margin: 2.25rem auto 0;
  position: relative;
}
.miru-hero-body {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--m-muted);
  max-width: 32rem;
  margin: 1.5rem auto 0;
  position: relative;
}

/* ── Install buttons ────────────────────────────────────────── */
.miru-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  justify-content: center;
  margin-top: 2.75rem;
  position: relative;
}
.miru-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  font-family: var(--m-sans);
  font-weight: 400;
  font-size: 0.9375rem;
  letter-spacing: 0.01em;
  padding: 0.875rem 1.5rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: background-color 0.25s ease, border-color 0.25s ease,
              color 0.25s ease, transform 0.25s ease;
}
.miru-btn svg { width: 1.125rem; height: 1.125rem; flex: none; }
.miru-btn:hover { transform: translateY(-2px); }

.miru-btn-primary {
  background-color: var(--m-green);
  color: #f7f5ef;
}
.miru-btn-primary:hover { background-color: var(--m-green-dark); }

.miru-btn-ghost {
  background-color: transparent;
  color: var(--m-text);
  border-color: var(--m-border);
}
.miru-btn-ghost:hover {
  border-color: var(--m-green);
  color: var(--m-green-dark);
  background-color: rgba(45,169,110,0.05);
}

.miru-cta-note {
  font-size: 0.8125rem;
  color: var(--m-muted);
  margin-top: 1.25rem;
  position: relative;
}
.miru-cta-note a { color: var(--m-green-dark); border-bottom: 1px solid rgba(29,122,78,0.3); }
.miru-cta-note a:hover { border-bottom-color: var(--m-green-dark); }

.miru-scroll-hint {
  position: absolute;
  bottom: 2.25rem; left: 50%;
  transform: translateX(-50%);
  color: var(--m-muted);
  opacity: 0.6;
  animation: arrowBounce 2.4s ease-in-out infinite;
}

/* ── Sections ───────────────────────────────────────────────── */
.miru-section { padding: 6rem 0; border-top: 1px solid var(--m-border); }
@media (min-width: 768px) { .miru-section { padding: 7.5rem 0; } }

.miru-section-head { max-width: 40rem; margin-bottom: 3.5rem; }
.miru-section-head .miru-lead { margin-top: 1.25rem; }

/* Postures */
.miru-postures {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
@media (min-width: 860px) { .miru-postures { grid-template-columns: repeat(3, 1fr); } }

.miru-posture {
  background: var(--m-card);
  border: 1px solid var(--m-border);
  border-radius: 14px;
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  transition: border-color 0.3s ease, transform 0.3s ease;
}
.miru-posture:hover { border-color: var(--m-green-light); transform: translateY(-3px); }
.miru-posture-icon { color: var(--m-green); height: 2rem; }
.miru-posture-icon svg { width: 2rem; height: 2rem; }
.miru-posture h3 {
  font-family: var(--m-serif);
  font-weight: 400;
  font-size: 1.6rem;
  letter-spacing: 0.02em;
  color: var(--m-text);
}
.miru-posture p { font-size: 0.9375rem; line-height: 1.7; color: var(--m-muted); }
.miru-posture strong { font-weight: 400; color: var(--m-text); }

/* Quiet list — the things around the postures */
.miru-list { border-top: 1px solid var(--m-border); }
.miru-list-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--m-border);
}
@media (min-width: 768px) {
  .miru-list-row { grid-template-columns: 16rem 1fr; gap: 2.5rem; align-items: baseline; }
}
.miru-list-row h3 {
  font-family: var(--m-serif);
  font-weight: 400;
  font-size: 1.375rem;
  color: var(--m-text);
  letter-spacing: 0.015em;
}
.miru-list-row p { font-size: 0.9375rem; line-height: 1.75; color: var(--m-muted); max-width: 38rem; }

/* Privacy panel */
.miru-privacy {
  background: var(--m-surface);
  border: 1px solid var(--m-border);
  border-radius: 16px;
  padding: 2.5rem 1.75rem;
}
@media (min-width: 768px) { .miru-privacy { padding: 3rem; } }
.miru-privacy ul { list-style: none; display: flex; flex-direction: column; gap: 1rem; margin-top: 2rem; }
.miru-privacy li {
  display: flex;
  gap: 0.875rem;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--m-muted);
}
.miru-privacy li::before {
  content: "";
  flex: none;
  width: 6px; height: 6px;
  margin-top: 0.6rem;
  border-radius: 50%;
  background: var(--m-green);
}
.miru-privacy li strong { font-weight: 400; color: var(--m-text); }

/* Closing */
.miru-closing { text-align: center; padding: 7rem 0 8rem; border-top: 1px solid var(--m-border); }
.miru-closing .miru-h2 { max-width: 30rem; margin: 0 auto; }
.miru-closing .miru-cta-row { margin-top: 2.5rem; }

/* Footer, on paper */
.miru-body .footer { border-top: 1px solid var(--m-border); }
.miru-body .footer-text,
.miru-body .footer-link { font-family: var(--m-sans); color: var(--m-muted); }
.miru-body .footer-dot { color: var(--m-border); }
.miru-body .footer-link:hover { color: var(--m-green-dark); }

/* ── Reduced motion ─────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .miru-hero-glow,
  .miru-mark .fern-live,
  .miru-scroll-hint { animation: none; }
  .miru-mark .fern-live { stroke-dashoffset: 0; }
}