/* ═══════════════════════════════════════════════════════════════════
   Ozone Wash landing, built on the Vaksy landing kit.
   Vaksy saffron (#EA580C) is replaced by Ozone Wash sky (#0EA5E9);
   blue text uses the deeper #0369A1 so it clears contrast on white.
   ═══════════════════════════════════════════════════════════════════ */
:root {
  --bg:           #FFFFFF;
  --surface:      #FFFFFF;
  --ink:          #0A0B0F;
  --ink-80:       rgba(10,11,15,0.80);
  --ink-60:       rgba(10,11,15,0.62);   /* body copy on white: 5.1:1 (was 0.55 = 4.4:1) */
  --ink-40:       rgba(10,11,15,0.58);   /* small labels on white: 4.9:1 (was 0.40 = 2.7:1) */
  --ink-30:       rgba(10,11,15,0.30);
  --ink-10:       rgba(10,11,15,0.08);
  --line:         rgba(10,11,15,0.06);
  --line-strong:  rgba(10,11,15,0.14);

  --p1:           #0EA5E9;   /* sky, fills / dots / glows */
  --p1-deep:      #0369A1;   /* sky deep, blue text on white */
  --p1-08:        rgba(14,165,233,0.08);
  --p1-12:        rgba(14,165,233,0.12);
  --p1-tint:      #E0F2FE;
  --p1-tint-2:    #EFF9FF;
  --p1-line:      #7DD3FC;
  --navy:         #0B1F33;   /* footer ground */
  --leaf:         #16A34A;   /* verified / done */
  --leaf-soft:    #DCFCE7;
  --amber:        #B45309;
  --amber-soft:   #FEF3C7;
  --red:          #DC2626;

  --shadow-md:    0 4px 24px rgba(10,11,15,0.05), 0 1px 4px rgba(10,11,15,0.04);
  --shadow-lg:    0 20px 60px rgba(10,11,15,0.10), 0 4px 12px rgba(10,11,15,0.06);
}
* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
html, body { width: 100%; }
*:focus { outline: none; }
*:focus-visible { outline: 2.5px solid var(--p1); outline-offset: 2px; border-radius: 4px; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px; line-height: 1.5;
  color: var(--ink); background: var(--bg);
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "cv11";
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; touch-action: manipulation; }
button { font-family: inherit; cursor: pointer; border: none; background: none; padding: 0; color: inherit; touch-action: manipulation; }
.serif { font-family: 'Instrument Serif', Georgia, serif; font-style: italic; font-weight: 400; }
.mono { font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace; }

/* ─── NAV ─── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: calc(20px + env(safe-area-inset-top, 0px)) 32px 20px;
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(20px) saturate(180%); -webkit-backdrop-filter: blur(20px) saturate(180%);
}
.logo { display: flex; align-items: center; gap: 12px; letter-spacing: -0.01em; }
.logo-mark { width: 28px; height: 28px; flex-shrink: 0; display: block; }
.logo-text-wrap { display: flex; flex-direction: column; line-height: 1.1; }
.logo-text { font-weight: 600; font-size: 19px; color: var(--ink); letter-spacing: -0.015em; }
.logo-text .dot { color: var(--p1); }
.logo-tag { font-size: 11px; font-weight: 500; color: var(--ink-60); letter-spacing: 0.04em; margin-top: 2px; }
.nav-links { display: flex; gap: 36px; align-items: center; }
.nav-link { font-size: 14.5px; font-weight: 400; color: var(--ink); display: inline-flex; align-items: center; gap: 4px; }
.nav-link.quiet { opacity: .55; font-size: 12.5px; }
.nav-cta {
  padding: 10px 18px 10px 20px; background: var(--ink); color: #fff; border-radius: 999px;
  font-weight: 500; font-size: 14.5px; display: inline-flex; align-items: center; gap: 8px;
  white-space: nowrap; transition: transform 0.15s, background 0.15s;
}
.nav-cta:hover { transform: translateY(-1px); background: #050505; }
.nav-cta svg { width: 14px; height: 14px; }
.nav-cta .cta-short { display: none; }
/* Mobile menu: a plain <details>, so it works without JS. Shown only where .nav-links is hidden. */
.nav-menu { display: none; position: relative; margin-left: 8px; }
.nav-menu summary { list-style: none; cursor: pointer; min-height: 32px; padding: 6px 12px; font-size: 13px; font-weight: 600; border: 1px solid var(--line-strong); border-radius: 999px; display: inline-flex; align-items: center; }
.nav-menu summary::-webkit-details-marker { display: none; }
.nav-menu[open] summary { background: var(--ink); color: #fff; border-color: var(--ink); }
.nav-menu-list { position: absolute; right: 0; top: calc(100% + 8px); min-width: 200px; padding: 8px; display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line-strong); border-radius: 14px; box-shadow: var(--shadow-lg); }
.nav-menu-list a { display: block; padding: 10px 12px; font-size: 14.5px; border-radius: 8px; min-height: 24px; }
.nav-menu-list a:hover { background: var(--p1-08); color: var(--p1-deep); }

/* ─── HERO ─── */
.hero {
  position: relative; min-height: 100vh; min-height: 100dvh;
  display: flex; flex-direction: column; align-items: center; justify-content: flex-start;
  padding: clamp(220px, 34vh, 340px) 24px 100px;
  overflow: hidden; background: var(--bg);
}
.particles { position: absolute; inset: 0; pointer-events: none; z-index: 0; }
.particle-wrap { position: absolute; will-change: transform; transform: translate3d(0,0,0); }
.particle {
  position: relative; display: grid; place-items: center; pointer-events: none;
  animation: drift var(--dur, 22s) ease-in-out infinite; animation-delay: var(--delay, 0s);
}
.particle.dot { border-radius: 50%; background: rgba(15,15,16,var(--alpha, 0.18)); }
.particle.bubble { border-radius: 50%; border: 1px solid rgba(14,165,233,0.35); background: radial-gradient(circle at 35% 30%, rgba(14,165,233,0.18), rgba(14,165,233,0.03) 70%); }
.particle.accent { border-radius: 50%; background: var(--p1); box-shadow: 0 0 6px rgba(14,165,233,0.55); opacity: 0.75; }
.particle.icon { color: rgba(15,15,16,var(--alpha, 0.20)); }
.particle.icon.warm { color: rgba(14,165,233,0.45); }
.particle.icon svg { width: 100%; height: 100%; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; fill: none; }
.particle.o3 { display: flex; align-items: baseline; justify-content: center; font-family: 'JetBrains Mono', ui-monospace, monospace; font-weight: 500; color: rgba(14,165,233,0.45); font-size: 15px; letter-spacing: -0.02em; }
.particle.o3 sub { font-size: 0.6em; }
@keyframes drift {
  0%, 100% { transform: translate(0,0); }
  25%      { transform: translate(var(--dx, 20px), var(--dy, -15px)); }
  50%      { transform: translate(calc(var(--dx, 20px) * -0.5), calc(var(--dy, -15px) * 1.4)); }
  75%      { transform: translate(calc(var(--dx, 20px) * 0.8), calc(var(--dy, -15px) * 0.3)); }
}
.hero-inner { position: relative; z-index: 2; text-align: center; max-width: 1100px; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: 28px;
  padding: 7px 14px 7px 12px; border: 1px solid var(--line-strong); border-radius: 999px;
  background: rgba(255,255,255,0.7); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  font-size: 13.5px; font-weight: 500; color: var(--ink-80); letter-spacing: 0.005em;
}
.hero-eyebrow .eyebrow-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--p1); box-shadow: 0 0 8px rgba(14,165,233,0.5); }
.hero-eyebrow .serif { color: var(--ink); font-size: 15px; }
.hero-h {
  font-size: clamp(32px, 6.4vw, 84px); font-weight: 400; line-height: 1.05; letter-spacing: -0.035em;
  margin: 0 auto 32px; color: var(--ink); white-space: nowrap; min-height: 1.05em;
}
.hero-sub {
  font-size: clamp(17px, 1.5vw, 19.5px); color: var(--ink-60); line-height: 1.5; max-width: 54ch;
  margin: 0 auto 72px; text-wrap: pretty;
  opacity: 0; animation: heroSubFadeIn 0.9s ease-out 1.4s forwards;
}
.hero-sub .serif { color: var(--ink); font-size: 1.12em; }
@keyframes heroSubFadeIn { to { opacity: 1; } }
.hero-cta-row { display: inline-flex; gap: 12px; align-items: center; flex-wrap: wrap; justify-content: center; }
.btn {
  padding: 14px 26px; border-radius: 999px; font-size: 15px; font-weight: 500; min-height: 44px;
  display: inline-flex; align-items: center; gap: 10px;
  transition: transform 0.15s, background 0.15s, box-shadow 0.15s;
}
.btn .arr { margin-left: 2px; font-size: 14px; opacity: 0.7; transition: transform 0.15s ease, opacity 0.15s ease; }
.btn:hover .arr { transform: translateX(3px); opacity: 1; }
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { transform: translateY(-1px); background: #050505; box-shadow: 0 8px 24px rgba(10,11,15,0.18); }
.btn-secondary { background: #fff; color: var(--ink); border: 1px solid var(--line-strong); }
.btn-secondary:hover { background: #FAFAFA; }
.btn .play { width: 18px; height: 18px; border-radius: 50%; background: var(--p1-tint); color: var(--p1-deep); display: inline-grid; place-items: center; font-size: 8px; }

/* ─── TAGLINE ─── */
.tagline-section { position: relative; z-index: 2; max-width: 880px; margin: 0 auto; padding: 24px 24px 96px; text-align: left; }
.tagline { font-size: clamp(24px, 3vw, 36px); font-weight: 400; line-height: 1.28; letter-spacing: -0.02em; color: var(--ink); max-width: 36ch; text-wrap: pretty; }

/* ─── FLOW ─── */
.flow-section { position: relative; z-index: 2; max-width: 1180px; margin: 0 auto; padding: 24px 24px 96px; text-align: center; }
.flow-eyebrow { display: inline-block; font-size: 11px; font-weight: 600; letter-spacing: 0.10em; text-transform: uppercase; color: var(--ink-60); margin-bottom: 30px; }
.flow-row { display: flex; align-items: center; justify-content: center; gap: 12px; }
.flow-node {
  display: flex; flex-direction: column; align-items: center; min-width: 0; flex: 0 1 200px;
  opacity: 0; transform: translateY(8px);
  animation: nodeIn 0.55s ease forwards; animation-delay: calc(var(--idx, 0) * 220ms + 80ms);
}
@keyframes nodeIn { to { opacity: 1; transform: translateY(0); } }
.flow-ic {
  width: 54px; height: 54px; border-radius: 50%; background: var(--surface); border: 1px solid var(--line-strong);
  display: grid; place-items: center; margin-bottom: 14px; color: var(--ink);
  box-shadow: 0 4px 12px rgba(10,11,15,0.04), 0 1px 3px rgba(10,11,15,0.06);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.flow-ic.warm { color: var(--p1-deep); background: #fff; border-color: rgba(14,165,233,0.35); box-shadow: 0 4px 18px rgba(14,165,233,0.20), 0 1px 3px rgba(14,165,233,0.10); }
.flow-ic:hover { transform: translateY(-2px); }
.flow-ic svg { width: 22px; height: 22px; stroke: currentColor; stroke-width: 1.6; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.flow-title { font-size: 14px; font-weight: 600; color: var(--ink); letter-spacing: -0.005em; margin-bottom: 4px; }
.flow-sub { font-size: 12.5px; color: var(--ink-60); line-height: 1.45; max-width: 22ch; }
.flow-arrow {
  flex: 0 1 80px; height: 1px; position: relative; margin-bottom: 60px; overflow: visible;
  background: linear-gradient(90deg, transparent, var(--line-strong) 20%, var(--line-strong) 80%, transparent);
}
.flow-arrow::after {
  content: ''; position: absolute; right: 0; top: 50%; transform: translateY(-50%); width: 0; height: 0;
  border-left: 6px solid var(--line-strong); border-top: 4px solid transparent; border-bottom: 4px solid transparent;
}
.flow-pulse {
  position: absolute; left: 0; top: 50%; transform: translate(-50%, -50%); width: 6px; height: 6px; border-radius: 50%;
  background: var(--p1); box-shadow: 0 0 8px rgba(14,165,233,0.65); animation: flowPulse 2.4s ease-in-out infinite;
}
@keyframes flowPulse { 0% { left: 0%; opacity: 0; } 10% { opacity: 1; } 90% { opacity: 1; } 100% { left: 100%; opacity: 0; } }
.flow-arrow:nth-of-type(2) .flow-pulse { animation-delay: 0.8s; }
.flow-arrow:nth-of-type(4) .flow-pulse { animation-delay: 1.6s; }

/* ─── PICKER: what is your water doing ─── */
.pick-section { padding: 40px 60px 48px; background: var(--bg); }
.why-head { text-align: center; margin: 0 auto 16px; max-width: 880px; }
.pick-section .why-head { margin-bottom: 16px; }
.why-h { font-size: clamp(34px, 4vw, 52px); font-weight: 400; letter-spacing: -0.025em; line-height: 1.1; color: var(--ink); margin: 0 auto 8px; text-wrap: balance; }
.why-intro { font-size: 14px; line-height: 1.6; color: var(--ink-60); margin: 0 auto; max-width: 62ch; }
.pick-widget { max-width: 1000px; margin: 0 auto; }
.pick-chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 5px; margin-bottom: 14px; }
.pick-chip {
  display: inline-flex; align-items: center; gap: 4px; padding: 5px 10px; border-radius: 999px;
  font-size: 11.5px; font-weight: 500; white-space: nowrap; background: #fff; color: var(--ink-60);
  border: 1px solid var(--line-strong); transition: all 0.15s ease;
}
.pick-chip:hover { border-color: var(--ink-40); color: var(--ink); }
.pick-chip.on { background: var(--ink); color: #fff; border-color: var(--ink); font-weight: 600; }
.pick-chip-other { border-color: rgba(14,165,233,0.45); color: var(--p1-deep); font-weight: 600; }
.pick-chip-other:hover { background: var(--p1-08); border-color: var(--p1); color: var(--p1-deep); }
.pick-answer {
  max-width: 700px; margin: 0 auto; background: #fff; border-radius: 16px;
  border: 1px solid rgba(10,11,15,0.08); box-shadow: var(--shadow-md); padding: 16px 18px;
}
.pick-answer-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 8px; }
.pick-answer-title { font-size: 15px; font-weight: 700; color: var(--ink); letter-spacing: -0.01em; }
.pick-answer-badge { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 10px; font-weight: 700; letter-spacing: 0.04em; color: var(--p1-deep); background: var(--p1-08); padding: 3px 8px; border-radius: 999px; flex-shrink: 0; }
.pick-answer-row { display: flex; align-items: flex-start; gap: 9px; padding: 6px 0; border-top: 1px solid var(--line); }
.pick-answer-row:first-of-type { border-top: none; }
.pick-aicon { width: 22px; height: 22px; flex-shrink: 0; margin-top: 1px; border-radius: 6px; background: rgba(10,11,15,0.04); display: flex; align-items: center; justify-content: center; font-size: 11px; }
.pick-alabel { font-size: 10px; font-weight: 700; color: var(--ink-40); text-transform: uppercase; letter-spacing: 0.03em; margin-bottom: 1px; }
.pick-adesc { font-size: 12.5px; line-height: 1.42; color: var(--ink-80); }
.pick-cta-row { display: flex; justify-content: center; margin-top: 22px; }

/* ─── FEATURE SECTIONS ─── */
.feature { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; max-width: 1280px; margin: 0 auto; padding: 96px 24px; align-items: center; }
.feature.reverse > div:first-child { order: 2; }
.feature-text { max-width: 520px; }
.feature-text .feature-h { max-width: none; font-size: clamp(30px, 3.6vw, 44px); white-space: nowrap; }
.feature-h { font-size: clamp(34px, 4vw, 52px); font-weight: 400; letter-spacing: -0.025em; line-height: 1.1; margin-bottom: 24px; }
.feature-sub { font-size: 17px; color: var(--ink-60); line-height: 1.55; max-width: 38ch; }
.feature-sub b { color: var(--ink); font-weight: 600; }
.feature-list { margin-top: 22px; list-style: none; padding: 0; }
.feature-list li { position: relative; padding: 0 0 0 22px; margin-bottom: 12px; font-size: 14.5px; line-height: 1.55; color: var(--ink-80); text-wrap: pretty; }
.feature-list li:last-child { margin-bottom: 0; }
.feature-list li::before { content: ''; position: absolute; left: 4px; top: 9px; width: 6px; height: 6px; border-radius: 50%; background: var(--p1); }
.feature-list li b { font-weight: 600; color: var(--ink); }
.feature-mock {
  background: linear-gradient(135deg, #FAFAFA 0%, #fff 50%, var(--p1-tint-2) 100%);
  border: 1px solid var(--line); border-radius: 20px; padding: 28px; position: relative;
  min-height: 380px; overflow: hidden; box-shadow: var(--shadow-md);
}
.feature-mock::before { content: ''; position: absolute; top: -20px; right: -20px; width: 220px; height: 220px; background: radial-gradient(circle, rgba(14,165,233,0.12), transparent 70%); pointer-events: none; }
.mock-inbox-h { font-size: 15px; font-weight: 600; color: var(--ink); margin-bottom: 4px; display: flex; align-items: center; gap: 6px; }
.mock-inbox-h .search { margin-left: auto; opacity: 0.4; }
.mock-list { margin-top: 12px; }
.mock-row { display: flex; align-items: center; gap: 12px; padding: 8px 8px; border-bottom: 1px solid var(--line); font-size: 13px; }
.mock-row .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--p1); flex-shrink: 0; }
.mock-row .dot.green { background: var(--leaf); }
.mock-row .dot.gray { background: var(--ink-40); }
.mock-row .dot.live { background: var(--p1); box-shadow: 0 0 8px rgba(14,165,233,0.55); animation: pulseDot 1.4s ease-in-out infinite; }
@keyframes pulseDot { 0%,100% { opacity: 1; } 50% { opacity: 0.45; } }
.mock-row .name { font-weight: 500; }
.mock-row .meta { color: var(--ink-60); font-size: 12px; }
.mock-row .time { margin-left: auto; color: var(--ink-40); font-size: 11px; font-variant-numeric: tabular-nums; flex-shrink: 0; }
.society-mock { background: linear-gradient(135deg, #FAFAFA 0%, #fff 50%, #F4F8FB 100%); }
.society-mock::before { background: radial-gradient(circle, rgba(3,105,161,0.10), transparent 70%); }
.dual-card { display: flex; flex-direction: column; gap: 12px; }
.dual-card .feature-mock { min-height: auto; padding: 16px 20px; }
.active-mock { background: #fff; border: 1px solid rgba(14,165,233,0.22); }
.active-mock::before { background: radial-gradient(circle at 80% 0%, rgba(14,165,233,0.16), transparent 60%); }
.vault-mock { background: linear-gradient(135deg, #FAFAFA 0%, #fff 55%, #F2F3F6 100%); }
.vault-mock::before { background: radial-gradient(circle at 80% 0%, rgba(10,11,15,0.06), transparent 60%); }
.vault-status { margin-left: auto; font-size: 11px; font-weight: 600; color: var(--leaf); display: inline-flex; align-items: center; gap: 4px; text-transform: lowercase; letter-spacing: 0.02em; }
.vault-ic { width: 22px; height: 22px; border-radius: 6px; background: rgba(10,11,15,0.06); color: var(--ink-80); display: grid; place-items: center; font-size: 12px; font-weight: 600; flex-shrink: 0; }
.vault-ic.warm { background: var(--p1-12); color: var(--p1-deep); }
.dual-card .mock-row .time { font-size: 10.5px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-40); background: rgba(0,0,0,0.04); padding: 2px 7px; border-radius: 4px; }
.dual-card .time-live { background: var(--p1-tint); color: var(--p1-deep); }
.dual-card .time-done { background: var(--leaf-soft); color: var(--leaf); }
.dual-card .time-soon { background: var(--amber-soft); color: var(--amber); }

/* ─── PROCESS (tier grid) ─── */
.process { position: relative; z-index: 2; }
.addons-section { max-width: 1280px; margin: 0 auto; padding: 48px 24px 72px; }
.pricing-head { text-align: center; margin-bottom: 24px; }
.pricing-eyebrow { display: inline-block; font-size: 11.5px; font-weight: 600; letter-spacing: 0.10em; text-transform: uppercase; color: var(--ink-60); margin-bottom: 14px; }
.pricing-h { font-size: clamp(34px, 4.4vw, 52px); font-weight: 400; line-height: 1.08; letter-spacing: -0.025em; max-width: 22ch; margin: 0 auto 16px; text-wrap: balance; }
.pricing-sub { font-size: 16px; color: var(--ink-60); max-width: 54ch; margin: 0 auto; line-height: 1.55; }
/* this one line is short by design (see markup) so it holds one line on the process panel; other pages' pricing-sub keep the wrapping default above */
#process-sub { max-width: none; white-space: nowrap; }
@media (max-width: 640px) { #process-sub { white-space: normal; } }
.tiers { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; align-items: stretch; }
.tier {
  position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: 20px;
  padding: 18px 20px 16px; display: flex; flex-direction: column; box-shadow: var(--shadow-md);
  transition: transform 0.25s ease;
}
.tier-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.tier-num { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 12px; font-weight: 700; letter-spacing: 0.08em; color: var(--p1-deep); }
/* A callout on one tile in an equal-status row (e.g. "the ozone step" among 8 steps) sits inline, not as a
   floating badge: a floating .tier-pop overhangs the card and reads as extra height, making that tile look bigger. */
.tier-inline-tag { display: inline-block; font-family: 'Inter', sans-serif; font-weight: 600; letter-spacing: 0.02em; text-transform: none; color: #fff; background: var(--p1); padding: 2px 8px; border-radius: 999px; font-size: 10px; margin-left: 6px; vertical-align: 2px; }
.tier-icon { width: 30px; height: 30px; display: grid; place-items: center; color: var(--ink); }
.tier-icon svg { width: 22px; height: 22px; stroke: currentColor; stroke-width: 1.5; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.tier-name { font-size: 16px; font-weight: 600; letter-spacing: -0.005em; }
.tier-tag { font-size: 13.5px; color: var(--ink-60); margin-top: 4px; }
.tier-rule { height: 1px; background: var(--line); margin: 12px 0 10px; }
.tier-features { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 7px; }
.tier-features li { display: grid; grid-template-columns: 14px 1fr; column-gap: 10px; align-items: start; font-size: 13.5px; color: var(--ink-60); line-height: 1.45; }
.tier-features .b { width: 6px; height: 6px; border-radius: 50%; background: var(--p1); margin-top: 7px; }
.tier-features .feat-label { font-weight: 600; color: var(--ink); font-size: 13.5px; line-height: 1.4; }
.tier.featured { background: #fff; border-color: rgba(14,165,233,0.35); box-shadow: var(--shadow-lg); }
.tier.featured .tier-icon { color: var(--p1-deep); }
.tier-pop {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--p1); color: #fff;
  font-size: 10px; font-weight: 700; letter-spacing: 0.10em; text-transform: uppercase; padding: 4px 12px; border-radius: 999px;
  box-shadow: 0 4px 12px rgba(14,165,233,0.35); white-space: nowrap;
}
.addons { margin-top: 18px; display: grid; grid-template-columns: 1.2fr 2fr; gap: 18px; align-items: stretch; }
.addons .tier { padding-top: 28px; }
.addon-list { background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: 24px 22px; box-shadow: var(--shadow-md); }
.addon-list .tier-name { margin-bottom: 4px; }
.addon-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.addon-chip { display: inline-flex; align-items: center; gap: 6px; padding: 7px 12px; border-radius: 999px; border: 1px solid var(--line-strong); font-size: 12.5px; font-weight: 500; color: var(--ink-80); background: #fff; }
.addon-chip .b { width: 6px; height: 6px; border-radius: 50%; background: var(--p1); }
.addon-chip.soon { color: var(--ink-40); border-style: dashed; }
.addon-chip.soon .b { background: var(--ink-30); }
.tier-cta {
  width: 100%; padding: 12px 18px; background: var(--ink); color: #fff; border-radius: 999px; font-size: 13.5px; font-weight: 600;
  display: inline-flex; align-items: center; justify-content: center; gap: 6px; margin-top: auto; transition: background 0.15s, transform 0.1s;
}
.tier-cta:hover { transform: translateY(-1px); background: #050505; }
.pricing-foot { text-align: center; margin-top: 28px; font-size: 13px; color: var(--ink-60); }

/* ─── WHY OZONE (comparison card) ─── */
.why-ozone { background: var(--bg); }
.why-card-ui { max-width: 520px; margin: 0 auto; background: #fff; border-radius: 20px; border: 1px solid rgba(10,11,15,0.08); box-shadow: 0 4px 32px rgba(10,11,15,0.06), 0 1px 4px rgba(10,11,15,0.04); overflow: hidden; position: relative; }
.why-card-ui::before { content: ''; position: absolute; top: 0; right: 0; width: 60%; height: 60%; background: radial-gradient(circle at top right, rgba(14,165,233,0.12), transparent 65%); pointer-events: none; }
.why-card-head { display: flex; align-items: center; justify-content: space-between; padding: 14px 22px 10px; }
.why-card-head-title { font-size: 17px; font-weight: 700; color: var(--ink); letter-spacing: -0.02em; }
.why-card-badge { display: flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; color: var(--leaf); }
.why-card-badge::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--leaf); flex-shrink: 0; }
.why-card-row { display: flex; align-items: center; gap: 14px; padding: 9px 22px; border-top: 1px solid rgba(10,11,15,0.06); position: relative; }
.why-sicon { width: 36px; height: 36px; flex-shrink: 0; background: var(--p1-08); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: var(--p1-deep); }
.why-sicon svg { width: 15px; height: 15px; stroke: currentColor; fill: none; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
.why-card-row-body { flex: 1; min-width: 0; }
.why-slabel { font-size: 14px; font-weight: 600; color: var(--ink); letter-spacing: -0.005em; margin-bottom: 2px; }
.why-sdesc { font-size: 13px; line-height: 1.45; color: var(--ink-60); }
.why-rival { font-size: 12px; color: var(--ink-60); font-style: italic; margin-top: 3px; line-height: 1.4; }
.why-card-status { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 11.5px; color: var(--ink-40); flex-shrink: 0; white-space: nowrap; }
.why-closer { max-width: 420px; margin: 14px auto 0; padding: 10px 16px; border-left: 3px solid var(--p1); background: rgba(14,165,233,0.05); border-radius: 0 10px 10px 0; font-size: 13px; font-weight: 500; line-height: 1.6; color: var(--ink); }
.why-cta-row { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-top: 18px; }

/* ─── FOOTER ─── */
.foot { background: var(--navy); padding: 48px 32px 32px; display: flex; flex-direction: column; gap: 18px; align-items: flex-start; font-size: 13px; color: rgba(255,255,255,0.6); }
.foot-top { display: flex; flex-wrap: wrap; gap: 24px; align-items: center; justify-content: space-between; width: 100%; }
.foot-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; color: #fff; font-weight: 600; font-size: 17px; letter-spacing: -0.01em; }
.foot-brand img { width: 28px; height: 28px; display: block; }
.foot-brand .dot { color: var(--p1); }
.foot b { color: rgba(255,255,255,0.88); font-weight: 600; }
.foot a { color: rgba(255,255,255,0.6); }
.foot a:hover { color: #fff; }
.foot-sub { margin-top: 4px; font-size: 12px; }
.foot-sub a, .foot-col a { display: inline-block; min-height: 24px; line-height: 24px; }
.foot-links { display: flex; gap: 24px; flex-wrap: wrap; }
.foot-disclaimer { font-size: 11.5px; color: rgba(255,255,255,0.45); line-height: 1.6; width: 100%; padding-top: 14px; border-top: 1px dashed rgba(255,255,255,0.14); display: flex; flex-direction: column; }
.foot-disclaimer .dl { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.foot-disclaimer b { color: rgba(255,255,255,0.7); letter-spacing: 0.02em; margin-right: 4px; }
@media (max-width: 1100px) { .foot-disclaimer .dl { white-space: normal; } .foot-disclaimer { font-size: 11px; } }

/* ─── TYPEWRITER ─── headings render visible by default (no JS, screen readers, LCP); site.js only animates them. */
.typewriter .tw-caret { display: inline-block; width: 2px; height: 0.95em; background: var(--ink); margin-left: 3px; vertical-align: -0.05em; animation: caretBlink 0.9s steps(1) infinite; }
.typewriter.done .tw-caret { animation: caretFade 1.2s ease forwards; }
@keyframes caretBlink { 0%, 50% { opacity: 1; } 50.01%, 100% { opacity: 0; } }
@keyframes caretFade { to { opacity: 0; } }

/* ─── RESPONSIVE ─── */
@media (max-width: 1279px) and (min-width: 881px) {
  .feature { padding: 80px 32px; gap: 40px; }
  .process { padding: 80px 32px; }
  .tiers { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 1024px) { .pick-section { padding: 40px 28px 44px; } .pick-widget { max-width: 100%; } }
@media (max-width: 880px) {
  .nav { padding: 14px 20px; }
  .nav-links { display: none; }
  .nav-menu { display: block; }
  .hero { padding: 100px 20px 40px; min-height: auto; }
  .hero-h { font-size: clamp(36px, 9vw, 56px); white-space: normal; }
  .tagline-section { padding: 16px 20px 64px; }
  .flow-section { padding: 16px 20px 64px; }
  .flow-row { flex-direction: column; gap: 16px; }
  .flow-arrow { width: 1px; height: 36px; margin: 0; background: linear-gradient(180deg, transparent, var(--line-strong) 20%, var(--line-strong) 80%, transparent); }
  .flow-arrow::after { right: 50%; top: auto; bottom: 0; transform: translateX(50%); border-left: 4px solid transparent; border-right: 4px solid transparent; border-top: 6px solid var(--line-strong); border-bottom: 0; }
  .flow-pulse { left: 50%; top: 0; animation: flowPulseMobile 2.4s ease-in-out infinite; }
  @keyframes flowPulseMobile { 0% { top: 0%; opacity: 0; } 10% { opacity: 1; } 90% { opacity: 1; } 100% { top: 100%; opacity: 0; } }
  .feature { grid-template-columns: 1fr; gap: 32px; padding: 72px 20px; }
  .feature.reverse > div:first-child { order: 0; }
  .feature-text .feature-h { white-space: normal; font-size: clamp(28px, 7vw, 38px); }
  .feature-mock { min-height: auto; }
  .process { padding: 64px 20px; }
  .tiers { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .addons { grid-template-columns: 1fr; }
  .why-ozone { padding: 64px 20px; }
  .pick-section { padding: 32px 16px 40px; }
  .foot-disclaimer .dl { white-space: normal; }
}
@media (min-width: 768px) and (max-width: 880px) {
  .nav { padding: 16px 24px; }
  .nav-links { display: flex; gap: 20px; }
  .nav-menu { display: none; }
  .nav-link { font-size: 13.5px; }
  .hero { padding: 120px 32px 64px; }
  .hero-h { font-size: clamp(40px, 7vw, 64px); }
  .feature { grid-template-columns: 1fr 1fr; gap: 40px; padding: 80px 32px; }
  .feature.reverse > div:first-child { order: initial; }
}
@media (max-width: 768px) {
  .pick-section .why-h { font-size: clamp(28px, 5.4vw, 40px); }
  .pick-chips { gap: 4px; }
  .pick-chip { font-size: 11px; padding: 5px 9px; }
  .pick-answer { padding: 14px 15px; border-radius: 14px; }
}
@media (max-width: 640px) {
  .pick-chips {
    display: grid; grid-auto-flow: column; grid-auto-columns: max-content; grid-template-rows: repeat(2, auto);
    justify-content: start; gap: 6px; overflow-x: auto; -webkit-overflow-scrolling: touch; scroll-snap-type: x proximity;
    scrollbar-width: none; margin-left: -16px; margin-right: -16px; padding: 0 16px 2px;
  }
  .pick-chips::-webkit-scrollbar { display: none; }
  .pick-chip { scroll-snap-align: start; }
}
@media (max-width: 480px) {
  /* Phone nav: logo wordmark only, short CTA (Call/WhatsApp move into the menu, see the .nav-contact rules at the end) */
  .logo-tag { display: none; }
  .logo-text { white-space: nowrap; }
  .nav-cta .cta-long { display: none; }
  .nav-cta .cta-short { display: inline; }
  .pick-section .why-h { font-size: clamp(24px, 7.2vw, 32px); }
  .pick-section .why-intro { font-size: 13px; }
  .pick-chip { font-size: 10.5px; padding: 5px 8px; }
  .pick-answer { padding: 13px; }
  .pick-answer-title { font-size: 14px; }
  .pick-adesc { font-size: 12px; }
  .pick-section .btn { max-width: 100%; white-space: normal; text-align: center; line-height: 1.3; }
  .tiers { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .hero { min-height: 0; padding: 120px 20px 56px; }
  .hero-sub { margin-bottom: 36px; }
  .hero-eyebrow { margin-bottom: 20px; }
}
@media (max-width: 400px) {
  .hero-h { white-space: normal; }
  .tier { padding: 22px 18px 18px; }
  .foot-links { flex-direction: column; gap: 10px; }
}
@media (max-width: 360px) {
  .nav { padding: 12px 14px; }
  .nav-cta { padding: 8px 14px; font-size: 13px; }
  .hero { padding: 80px 16px 32px; }
  .hero-h { font-size: clamp(28px, 8.5vw, 36px); }
  .hero-sub { font-size: 15px; }
  .hero-eyebrow { font-size: 12px; padding: 6px 10px; }
  .hero-cta-row { flex-direction: column; align-items: stretch; gap: 8px; }
  .btn { width: 100%; justify-content: center; padding: 13px 20px; }
  .flow-section { padding: 16px 16px 48px; }
  .tagline-section { padding: 12px 16px 40px; }
  .feature { padding: 40px 16px; }
  .process { padding: 40px 16px; }
  .foot { padding: 28px 16px 20px; }
}
@media (max-width: 320px) {
  .nav { padding: 10px 12px; }
  .nav-cta { padding: 7px 12px; font-size: 12.5px; }
  .hero { padding: 68px 12px 24px; }
  .hero-h { font-size: 26px; line-height: 1.1; letter-spacing: -0.02em; }
  .hero-eyebrow { display: none; }
  .feature { padding: 36px 12px; }
  .process { padding: 36px 12px; }
  .foot { padding: 24px 12px 16px; }
}
@media (prefers-reduced-motion: reduce) {
  .particle { animation: none !important; }
  .flow-pulse { animation: none !important; opacity: 0.4; }
  .mock-row .dot.live { animation: none !important; }
  .tw-caret { animation: none !important; opacity: 0; }
  .hero-sub { animation: none !important; opacity: 1 !important; }
  .flow-node { animation: none !important; opacity: 1 !important; transform: none !important; }
}

/* ═══════════════════════════════════════════════════════════════════
   SUBPAGE COMPONENTS (tank, car wash, about, faq, blog, legal, areas)
   ═══════════════════════════════════════════════════════════════════ */
.page-hero { position: relative; padding: clamp(90px, 13vh, 130px) 24px 40px; text-align: center; background: var(--bg); }
.page-hero .hero-eyebrow { margin-bottom: 22px; }
/* Every page-hero heading holds one line at 1024px+ (copy is written short enough to fit); the sub wraps, but its
   width is capped so a normal 1-2 sentence description lands in at most two lines. Below 1024px both wrap normally. */
.page-h { font-size: clamp(28px, 3.6vw, 48px); font-weight: 400; line-height: 1.1; letter-spacing: -0.03em; color: var(--ink); max-width: none; white-space: nowrap; margin: 0 auto 14px; }
.page-sub { font-size: clamp(15px, 1.2vw, 17px); color: var(--ink-60); line-height: 1.5; max-width: 46ch; margin: 0 auto; text-wrap: pretty; }
@media (max-width: 1023px) {
  .page-h { white-space: normal; max-width: 13ch; margin-bottom: 18px; text-wrap: balance; }
  .page-sub { max-width: 36ch; }
}
.page-sub .serif { color: var(--ink); font-size: 1.1em; }
.section { max-width: 1180px; margin: 0 auto; padding: 48px 24px; }
.section.wide { max-width: 1280px; }
.section.narrow { max-width: 880px; }
.section-head { text-align: center; margin-bottom: 36px; }
.section-head.left { text-align: left; margin-left: 0; }
.section-head .pricing-h { margin-bottom: 12px; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.stat { border: 1px solid var(--line); border-radius: 16px; padding: 22px 24px; background: var(--surface); box-shadow: var(--shadow-md); }
.stat-n { font-size: 40px; font-weight: 400; letter-spacing: -0.03em; line-height: 1; color: var(--ink); margin-bottom: 8px; }
.stat-n .u { font-size: 18px; color: var(--p1-deep); letter-spacing: 0; margin-left: 4px; }
.stat-l { font-size: 13px; color: var(--ink-60); line-height: 1.45; }
.tiers.three { grid-template-columns: repeat(3, 1fr); }
.tier-price { font-size: 40px; font-weight: 400; letter-spacing: -0.03em; line-height: 1.05; display: inline-flex; align-items: baseline; gap: 4px; margin: 4px 0 2px; }
.tier-price .ccy { font-size: 22px; color: var(--ink-60); }
.tier-cadence { font-size: 13px; color: var(--ink-60); margin-bottom: 16px; }
.tier .tier-cta { margin-top: 18px; }
.upgrade-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.upgrade { border: 1px solid var(--line); border-radius: 14px; padding: 16px; background: var(--surface); display: flex; flex-direction: column; gap: 6px; }
.upgrade-name { font-size: 14px; font-weight: 600; color: var(--ink); letter-spacing: -0.005em; }
.upgrade-price { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 11.5px; color: var(--p1-deep); }
.upgrade-desc { font-size: 12.5px; color: var(--ink-60); line-height: 1.45; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips.center { justify-content: center; }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 999px; border: 1px solid var(--line-strong); font-size: 13px; font-weight: 500; color: var(--ink-80); background: #fff; transition: border-color .15s, color .15s, background .15s; }
.chip .b { width: 6px; height: 6px; border-radius: 50%; background: var(--p1); }
.chip:hover { border-color: var(--ink-40); color: var(--ink); }
.chip.on { background: var(--ink); color: #fff; border-color: var(--ink); }
.chip.soon { color: var(--ink-40); border-style: dashed; }
.chip.soon .b { background: var(--ink-30); }
.faq-nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; margin-bottom: 40px; }
.faq-group { max-width: 760px; margin: 0 auto 40px; }
.faq-group-h { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--p1-deep); margin-bottom: 4px; padding-bottom: 10px; border-bottom: 1px solid var(--line-strong); }
.faq { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; padding: 16px 0; font-size: 16px; font-weight: 600; color: var(--ink); display: flex; justify-content: space-between; align-items: center; gap: 16px; letter-spacing: -0.005em; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font-family: 'JetBrains Mono', ui-monospace, monospace; font-weight: 500; color: var(--p1-deep); flex-shrink: 0; transition: transform .2s; }
.faq[open] summary::after { content: '−'; }
.faq summary:hover { color: var(--p1-deep); }
.faq-a { padding: 0 0 18px; font-size: 15px; line-height: 1.6; color: var(--ink-80); max-width: 65ch; }
.post-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.post-card { border: 1px solid var(--line); border-radius: 20px; padding: 24px; background: var(--surface); display: flex; flex-direction: column; gap: 10px; box-shadow: var(--shadow-md); transition: transform .2s, box-shadow .2s; }
.post-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.post-card.hidden { display: none; }
.post-kicker { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 10.5px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--p1-deep); display: flex; justify-content: space-between; }
.post-kicker .min { color: var(--ink-40); font-weight: 500; }
.post-title { font-size: 18px; font-weight: 600; line-height: 1.3; letter-spacing: -0.01em; color: var(--ink); text-wrap: pretty; }
.post-excerpt { font-size: 13.5px; line-height: 1.5; color: var(--ink-60); display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }
.post-more { margin-top: auto; padding-top: 6px; font-size: 13px; font-weight: 600; color: var(--p1-deep); }
.article { max-width: 720px; margin: 0 auto; padding: 8px 24px 72px; }
.article p { font-size: 17px; line-height: 1.65; margin-bottom: 18px; color: var(--ink-80); text-wrap: pretty; }
.article p:first-child { font-size: 19px; color: var(--ink); }
.article h2 { font-size: 26px; font-weight: 500; letter-spacing: -0.02em; line-height: 1.2; margin: 40px 0 12px; color: var(--ink); text-wrap: balance; }
.article h3 { font-size: 19px; font-weight: 600; margin: 28px 0 10px; }
.article ul, .article ol { margin: 0 0 20px 22px; }
.article li { font-size: 16.5px; line-height: 1.6; margin-bottom: 8px; color: var(--ink-80); }
.article strong { color: var(--ink); font-weight: 600; }
.article a { color: var(--p1-deep); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--p1-line); }
.article blockquote { border-left: 3px solid var(--p1); padding: 4px 0 4px 18px; margin: 0 0 20px; color: var(--ink-60); font-family: 'Instrument Serif', Georgia, serif; font-style: italic; font-size: 20px; }
.article table { width: 100%; border-collapse: collapse; font-size: 14.5px; margin: 0 0 22px; font-variant-numeric: tabular-nums; }
.article th, .article td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line-strong); vertical-align: top; }
.article th { font-size: 11px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-60); }
.table-wrap { overflow-x: auto; }
.article hr { border: 0; border-top: 1px solid var(--line-strong); margin: 32px 0; }
.legal h2 { font-size: 13px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink); margin: 34px 0 10px; }
.legal p, .legal li { font-size: 15.5px; }
.legal-meta { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 11px; color: var(--ink-40); letter-spacing: 0.04em; margin-bottom: 8px; }
.related { max-width: 720px; margin: 0 auto; padding: 0 24px 72px; }
.related-h { font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-60); margin-bottom: 12px; }
.related a { display: flex; justify-content: space-between; gap: 16px; padding: 14px 0; border-top: 1px solid var(--line); font-size: 15px; font-weight: 500; color: var(--ink); }
.related a:hover { color: var(--p1-deep); }
.related a .cat { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 10.5px; color: var(--ink-40); text-transform: uppercase; letter-spacing: 0.06em; flex-shrink: 0; padding-top: 3px; }
.people { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.person { border: 1px solid var(--line); border-radius: 20px; padding: 26px; background: var(--surface); box-shadow: var(--shadow-md); }
.person-name { font-size: 20px; font-weight: 600; letter-spacing: -0.01em; }
.person-role { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 11px; color: var(--p1-deep); letter-spacing: 0.08em; text-transform: uppercase; margin: 4px 0 14px; }
.person-bio { font-size: 15px; line-height: 1.6; color: var(--ink-80); }
.twin { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.twin .why-closer { max-width: none; margin: 0; }
.twin .why-closer b { display: block; font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--p1-deep); margin-bottom: 6px; }
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.contact-grid .stat-n { font-size: 20px; letter-spacing: -0.01em; line-height: 1.3; }
.contact-grid .stat-l { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 8px; }
.cert-card { background: #fff; border: 1px solid rgba(14,165,233,0.22); border-radius: 20px; padding: 24px; box-shadow: var(--shadow-lg); position: relative; overflow: hidden; }
.cert-card::before { content: ''; position: absolute; top: -40px; right: -40px; width: 200px; height: 200px; background: radial-gradient(circle, rgba(14,165,233,0.14), transparent 70%); pointer-events: none; }
.cert-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.cert-title { font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-60); }
.cert-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 18px; margin: 14px 0; }
.cert-k { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-40); }
.cert-v { font-size: 15px; font-weight: 600; color: var(--ink); font-variant-numeric: tabular-nums; }
.cert-foot { display: flex; align-items: center; gap: 12px; padding-top: 14px; border-top: 1px dashed var(--line-strong); font-size: 12px; color: var(--ink-60); }
.qr { width: 48px; height: 48px; border-radius: 6px; flex-shrink: 0; background: repeating-conic-gradient(var(--ink) 0 25%, #fff 0 50%) 0 0 / 12px 12px; opacity: .85; }
.cta-band { text-align: center; padding: 72px 24px 88px; border-top: 1px solid rgba(10,11,15,0.07); }
.cta-band .why-h { margin-bottom: 14px; }
.cta-band .why-intro { margin-bottom: 26px; }
.foot-cols { display: flex; gap: 48px; flex-wrap: wrap; }
.foot-col { display: flex; flex-direction: column; gap: 8px; }
.foot-col-h { font-size: 10.5px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(255,255,255,0.4); margin-bottom: 4px; }
@media (max-width: 1024px) { .upgrade-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 880px) {
  .page-hero { padding: 110px 20px 40px; }
  .section { padding: 48px 20px; }
  .stats, .contact-grid { grid-template-columns: 1fr; }
  .tiers.three { grid-template-columns: 1fr 1fr; }
  .post-list { grid-template-columns: 1fr 1fr; }
  .people, .twin { grid-template-columns: 1fr; }
  .foot-cols { gap: 28px; }
}
@media (max-width: 640px) {
  .post-list, .tiers.three, .upgrade-grid { grid-template-columns: 1fr; }
  .article p { font-size: 16px; }
  .article p:first-child { font-size: 17px; }
}

.nav-link.on { font-weight: 600; }

/* ─── STACKED DECK: 5 sections pin under the nav and roll up over each other ───
   One shared box (border, radius, shadow, width, background) so every panel reads
   as the same kind of card. Height is min-height only, no cap and no internal
   scroll: a card that clips or scrolls its own content is worse than one that's
   simply taller than its neighbours, so the two content-heavy panels (process,
   why-ozone) show everything and are allowed to be taller. */
.stack { position: relative; }
.stack > .stack-panel {
  position: sticky;
  width: min(1280px, 94%);
  min-height: 600px;
  margin-inline: auto;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
}
.stack > .feature.stack-panel { padding: 44px 56px; display: flex; align-items: center; }
.stack > .process.stack-panel, .stack > .why-ozone.stack-panel { padding: 36px 48px 28px; display: block; }
.stack > .stack-panel:nth-child(1) { top: 68px; z-index: 1; }
.stack > .stack-panel:nth-child(2) { top: 76px; z-index: 2; margin-block: 48px; }
.stack > .stack-panel:nth-child(3) { top: 84px; z-index: 3; margin-bottom: 48px; }
.stack > .stack-panel:nth-child(4) { top: 92px; z-index: 4; margin-bottom: 48px; }
.stack > .stack-panel:nth-child(5) { top: 100px; z-index: 5; margin-bottom: 48px; }
@media (max-width: 880px) {
  /* ponytail: a pinned card is a bad fit for a phone screen either way; stack flows normally below 880px */
  .stack > .stack-panel { position: static; width: auto; min-height: 0; margin-inline: 20px; padding: 48px 24px; display: block; }
  /* the process/why-ozone padding override above is unconditional (2-class selector beats the 1-class rule
     above by specificity, not source order) so it must be re-stated here at matching specificity to win on mobile */
  .stack > .process.stack-panel, .stack > .why-ozone.stack-panel { padding: 48px 24px; }
  .stack > .feature.stack-panel { padding: 48px 24px; display: grid; }
  .stack > .stack-panel:nth-child(n+2) { margin-block: 24px; }
}

.nav-contact { display: flex; gap: 14px; align-items: center; margin-right: 12px; }
.nav-contact a { font-size: 13px; font-weight: 600; color: var(--ink-60); text-decoration: none; display: inline-flex; align-items: center; min-height: 24px; padding: 2px 4px; }
.nav-contact a:hover { color: var(--p1-deep); }
@media (max-width: 720px) { .nav-contact { gap: 10px; margin-right: 8px; } .nav-contact a { font-size: 12px; } }
@media (max-width: 480px) { .nav-contact { display: none; } }