/* ============================================================
   startusingaitoday.com — single shared stylesheet
   FLYNN (K-DESIGNR), 2026-05-02
   Brand DNA: friendly, bright, inviting — counterpoint to the
   dark/tech agentsformybusiness.com sibling site.
   - Warm cream bg, soft slate text, Nunito rounded type
   - Single accent: sunny tangerine #FF8A3D
   - Secondary support color: sky teal #3DB7C7 (used sparingly)
   - Sister K-AI property (cross-link to agentsformybusiness.com)
   ============================================================ */

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body, h1, h2, h3, h4, p, ul, ol, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

/* ---------- Tokens ---------- */
:root {
  --bg: #FFFAF3;
  --surface: #FFFFFF;
  --surface-2: #FFF4E6;
  --text: #2D3748;
  --muted: #5A6772;
  --border: #F0E6D2;
  --border-strong: #E5D8BC;
  --accent: #FF8A3D;
  --accent-dim: #E66B1F;
  --accent-glow: rgba(255, 138, 61, 0.18);
  --accent-2: #3DB7C7;
  --accent-2-glow: rgba(61, 183, 199, 0.18);
  --maxw: 1200px;
  --pad: clamp(1.25rem, 4vw, 2.5rem);
  --radius: 18px;
  --radius-sm: 10px;
  --shadow: 0 14px 38px rgba(45, 55, 72, 0.08);
  --shadow-soft: 0 6px 18px rgba(45, 55, 72, 0.06);
  --font-sans: "Nunito", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --site-header-anchor: 73px;
}

/* ---------- Base ---------- */
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-weight: 500;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
h1, h2, h3, h4 { font-weight: 800; line-height: 1.2; letter-spacing: -0.01em; color: var(--text); }
h1 { font-size: clamp(2.25rem, 5.5vw, 4rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.65rem); }
h3 { font-size: clamp(1.15rem, 1.8vw, 1.4rem); }
p  { color: var(--text); }
.muted { color: var(--muted); }
.center { text-align: center; }

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--accent); color: #fff; padding: 0.75rem 1rem;
  font-weight: 800; z-index: 1000;
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 250, 243, 0.92);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 0.75rem;
  min-height: 72px;
  position: relative;
  z-index: 20;
}
.brand {
  display: inline-flex; align-items: center; gap: 0.65rem;
  font-weight: 800; letter-spacing: 0.005em;
  font-size: 1.05rem;
  min-width: 0;
  flex: 1 1 auto;
}
.brand-mark {
  width: 32px; height: 32px;
  display: inline-grid; place-items: center;
  background: var(--accent);
  color: #fff;
  border-radius: 10px;
  font-weight: 800;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  box-shadow: 0 6px 18px var(--accent-glow);
}
.brand-name { color: var(--text); }
.brand-name span { color: var(--accent); }

.nav { display: flex; align-items: center; gap: 1.75rem; flex: 0 0 auto; }
.nav-list { display: flex; gap: 1.5rem; }
.nav-list a {
  font-weight: 700; font-size: 0.95rem;
  letter-spacing: 0;
  padding: 0.4rem 0;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
  color: var(--text);
}
.nav-list a:hover { color: var(--accent); }
.nav-list a.is-active { color: var(--accent); border-bottom-color: var(--accent); }

.nav-cta {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.65rem 1.1rem;
  background: var(--accent);
  color: #fff;
  border-radius: 999px;
  font-weight: 800; font-size: 0.85rem; letter-spacing: 0.02em;
  box-shadow: 0 6px 18px var(--accent-glow);
  transition: transform 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}
.nav-cta:hover { background: var(--accent-dim); transform: translateY(-1px); }

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  flex-shrink: 0;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  align-items: center; justify-content: center;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: ""; display: block;
  width: 18px; height: 2px; background: var(--text);
  position: relative; transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle span { position: relative; }
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after  { position: absolute; top: 6px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after  { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 0.55rem;
  padding: 0.95rem 1.6rem;
  border-radius: 999px;
  font-weight: 800; font-size: 0.95rem;
  letter-spacing: 0.01em;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
  border: 2px solid transparent;
  cursor: pointer;
}
.btn:focus-visible { outline: 3px solid var(--accent-glow); outline-offset: 2px; }
.btn-primary {
  background: var(--accent); color: #fff;
  box-shadow: 0 10px 26px var(--accent-glow);
}
.btn-primary:hover { background: var(--accent-dim); transform: translateY(-2px); box-shadow: 0 14px 30px var(--accent-glow); }
.btn-ghost {
  background: var(--surface);
  border-color: var(--border-strong);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-row {
  display: flex; flex-wrap: wrap; gap: 0.85rem; justify-content: center;
  margin-top: 1.75rem;
}
.btn-row.left { justify-content: flex-start; }

/* ---------- Sections ---------- */
section { padding: clamp(3.5rem, 8vw, 6rem) 0; }
.section-head {
  max-width: 760px; margin: 0 auto 3rem; text-align: center;
}
.eyebrow {
  display: inline-block;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 0.85rem;
}
.section-head h2 { margin-bottom: 0.85rem; }
.section-head p  { color: var(--muted); font-size: 1.05rem; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  padding-top: clamp(4rem, 9vw, 6.5rem);
  padding-bottom: clamp(4rem, 9vw, 6.5rem);
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(900px 540px at 85% 0%, rgba(255, 195, 130, 0.55), transparent 60%),
    radial-gradient(700px 480px at 5% 100%, rgba(61, 183, 199, 0.18), transparent 65%),
    radial-gradient(500px 420px at 50% 50%, rgba(255, 250, 243, 0.0), transparent 60%);
  pointer-events: none;
}

/* Friendly sunburst SVG layer (behind hero content) */
.sun-bg {
  position: absolute;
  /* Vertical bleed: parallax clamp 90px + margin so edges stay hidden */
  inset: -120px 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  opacity: 0.85;
  transform: translate3d(0, var(--sun-y, 0px), 0);
  will-change: transform;
}
.sun-bg svg { width: 100%; height: 100%; display: block; }
.sun-bg .ray {
  fill: none;
  stroke: rgba(255, 138, 61, 0.16);
  stroke-width: 1.5;
  stroke-linecap: round;
}
.sun-bg .dot {
  fill: var(--accent);
  opacity: 0.45;
}
.sun-bg .dot-2 { fill: var(--accent-2); opacity: 0.5; }
.sun-bg .float {
  animation: float-soft 8s ease-in-out infinite;
  transform-origin: center;
}
.sun-bg .float-2 { animation-duration: 11s; animation-delay: 2s; }
.sun-bg .float-3 { animation-duration: 14s; animation-delay: 1s; }
@keyframes float-soft {
  0%, 100% { transform: translate3d(0, 0, 0); }
  50%      { transform: translate3d(0, -10px, 0); }
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid; gap: clamp(2rem, 5vw, 4rem);
  grid-template-columns: 1.1fr 1fr;
  align-items: center;
}
.hero-copy h1 { margin-bottom: 1.25rem; }
.hero-copy h1 span { color: var(--accent); }
.hero-copy p.lead {
  color: var(--muted); font-size: 1.18rem; max-width: 56ch;
  margin-bottom: 1.5rem;
  font-weight: 500;
}
.hero-meta {
  display: flex; flex-wrap: wrap; gap: 1.25rem 2rem;
  margin-top: 1.75rem; color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
}
.hero-meta li { display: inline-flex; align-items: center; gap: 0.5rem; }
.hero-meta .dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-glow);
}

/* "Your day with AI" friendly card (replaces AIOS dark panel) */
.day-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}
.day-header {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 1rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px dashed var(--border-strong);
  font-weight: 700;
  letter-spacing: 0.04em;
}
.day-header .badge {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.35rem 0.7rem;
  background: var(--accent-glow);
  color: var(--accent-dim);
  border-radius: 999px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.7rem;
}
.day-core {
  text-align: center; padding: 0.75rem 0 1.25rem;
  border-bottom: 1px dashed var(--border-strong);
  margin-bottom: 1.25rem;
}
.day-core .label {
  display: inline-block; padding: 0.3rem 0.75rem;
  background: var(--accent-2-glow); color: #1f7a86;
  border-radius: 999px; font-weight: 800;
  font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase;
  margin-bottom: 0.65rem;
}
.day-core h3 { font-weight: 800; }
.day-core p { color: var(--muted); font-size: 0.95rem; margin-top: 0.45rem; }
.day-list {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}
.day-item {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.7rem 0.85rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 600;
}
.day-item .pulse {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 0 4px var(--accent-glow);
  flex: 0 0 auto;
}
.day-item:nth-child(2n) .pulse { background: var(--accent-2); box-shadow: 0 0 0 4px var(--accent-2-glow); }

/* ---------- Pain block ---------- */
.pain {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.pain-quote {
  max-width: 880px; margin: 0 auto; text-align: center;
}
.pain-quote .eyebrow { color: var(--muted); }
.pain-quote h2 {
  font-style: italic; font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  line-height: 1.35;
}
.pain-quote h2 span { color: var(--accent); font-style: normal; }
.pain-quote p {
  color: var(--muted); margin-top: 1.25rem; font-size: 1.05rem;
}

/* ---------- Pillars ---------- */
.pillars {
  display: grid; gap: 1.25rem;
  grid-template-columns: repeat(4, 1fr);
}
.pillar {
  padding: 1.85rem 1.65rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.pillar:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: var(--shadow);
}
.pillar .icon {
  width: 48px; height: 48px; display: grid; place-items: center;
  background: var(--accent-glow); color: var(--accent-dim);
  border-radius: 14px; margin-bottom: 1.1rem;
}
.pillar:nth-child(2n) .icon { background: var(--accent-2-glow); color: #1f7a86; }
.pillar h3 { margin-bottom: 0.45rem; }
.pillar p  { color: var(--muted); }

/* ---------- "Builds" / what AI can do (2-col list) ---------- */
.builds {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(2, 1fr);
}
.build-row {
  display: flex; gap: 1rem; align-items: flex-start;
  padding: 1.25rem 1.4rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}
.build-row .check {
  flex: 0 0 auto; width: 32px; height: 32px;
  display: grid; place-items: center;
  border-radius: 50%; background: var(--accent);
  color: #fff;
}
.build-row h4 { font-size: 1.02rem; margin-bottom: 0.25rem; font-weight: 800; }
.build-row p  { color: var(--muted); font-size: 0.92rem; line-height: 1.55; }

/* ---------- How it works (numbered steps) ---------- */
.steps {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(4, 1fr);
}
.step {
  position: relative;
  padding: 2rem 1.5rem 1.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}
.step .num {
  position: absolute; top: -18px; left: 1.5rem;
  width: 38px; height: 38px; display: grid; place-items: center;
  background: var(--accent); color: #fff;
  border-radius: 50%; font-weight: 800; font-size: 1rem;
  box-shadow: 0 6px 14px var(--accent-glow);
}
.step h3 { margin-bottom: 0.4rem; font-size: 1.05rem; }
.step p  { color: var(--muted); font-size: 0.92rem; }

/* ---------- Sample (use case) cards ---------- */
.samples-grid {
  display: grid; gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.sample {
  display: flex; flex-direction: column;
  padding: 1.85rem 1.7rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.sample:hover { transform: translateY(-3px); border-color: var(--accent); box-shadow: var(--shadow); }
.sample-tag {
  display: inline-block; align-self: flex-start;
  padding: 0.3rem 0.75rem; margin-bottom: 1rem;
  font-size: 0.72rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  font-weight: 800;
  color: #fff; background: var(--accent);
  border-radius: 999px;
}
.sample:nth-child(3n+2) .sample-tag { background: var(--accent-2); }
.sample:nth-child(3n+3) .sample-tag { background: #6BAE6B; }
.sample h3 { margin-bottom: 0.6rem; }
.sample p  { color: var(--muted); margin-bottom: 1.25rem; flex: 1; }
.sample-outcome {
  padding-top: 1rem; border-top: 1px dashed var(--border-strong);
  font-size: 0.9rem; color: var(--text);
}
.sample-outcome strong {
  color: var(--accent-dim); display: block;
  margin-bottom: 0.25rem; font-size: 0.7rem;
  letter-spacing: 0.16em; text-transform: uppercase;
  font-weight: 800;
}

/* ---------- Split hero (used by About, Samples, Learn, Contact) ---------- */
.hero-split {
  position: relative; z-index: 1;
  display: grid; gap: clamp(2rem, 4vw, 3rem);
  grid-template-columns: 1.1fr 1fr;
  align-items: center;
}
.hero-split h1 span { color: var(--accent); }
.hero-split p { color: var(--muted); font-size: 1.1rem; }
.about-stats {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(2, 1fr);
  margin-top: 2rem;
}
.about-stat {
  padding: 1.4rem 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}
.about-stat .num {
  font-size: 1.85rem; font-weight: 800; color: var(--accent);
  line-height: 1; margin-bottom: 0.4rem;
}
.about-stat .label { color: var(--muted); font-size: 0.9rem; font-weight: 600; }

.values {
  display: grid; gap: 1.25rem;
  grid-template-columns: repeat(3, 1fr);
}
.value {
  padding: 1.85rem 1.7rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}
.value h3 { color: var(--accent-dim); margin-bottom: 0.5rem; font-size: 1.1rem; }
.value p  { color: var(--muted); font-size: 0.95rem; }

.values--2col {
  grid-template-columns: repeat(2, 1fr);
}
@media (max-width: 960px) {
  .values--2col { grid-template-columns: 1fr; }
}

/* ---------- Sister property callout ---------- */
.sister {
  background:
    linear-gradient(135deg, rgba(61, 183, 199, 0.10), rgba(255, 138, 61, 0.06));
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: clamp(1.75rem, 4vw, 2.5rem);
  display: grid; gap: 1.25rem;
  grid-template-columns: 1.5fr 1fr;
  align-items: center;
}
.sister .label {
  color: var(--accent-2);
  font-weight: 800;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  display: block;
}
.sister h3 { margin-bottom: 0.5rem; font-size: clamp(1.2rem, 2.4vw, 1.5rem); }
.sister p  { color: var(--muted); }
.sister-cta { display: flex; justify-content: flex-end; }
.sister-cta .btn { background: var(--accent-2); border-color: var(--accent-2); color: #fff; }
.sister-cta .btn:hover { background: #2a9aaa; border-color: #2a9aaa; }

/* ---------- Contact page ---------- */
.contact-grid {
  display: grid; gap: 1.5rem;
  grid-template-columns: 1.5fr 1fr;
  align-items: stretch;
}
.calendly-card,
.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex; flex-direction: column;
  box-shadow: var(--shadow-soft);
}
.calendly-card .calendly-inline-widget {
  flex: 1; min-height: 700px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #fff;
}
.calendly-fallback {
  margin-top: 1rem; color: var(--muted); font-size: 0.88rem;
  text-align: center;
}
.contact-card { gap: 1.25rem; }
.contact-method {
  display: flex; gap: 0.95rem; align-items: flex-start;
  padding: 1.15rem 1.25rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.contact-method .icon {
  flex: 0 0 auto; width: 40px; height: 40px;
  display: grid; place-items: center;
  background: var(--accent-glow); color: var(--accent-dim);
  border-radius: 12px;
}
.contact-method:nth-child(odd) .icon { background: var(--accent-2-glow); color: #1f7a86; }
.contact-method h3 { font-size: 0.98rem; margin-bottom: 0.2rem; }
.contact-method a {
  color: var(--accent-dim); font-weight: 800;
  word-break: break-all;
}
.contact-method a:hover { text-decoration: underline; }
.contact-method p { color: var(--muted); font-size: 0.88rem; margin-top: 0.3rem; }

/* ---------- CTA strip (bottom of every page) ---------- */
.cta-strip {
  background: linear-gradient(135deg, var(--surface-2) 0%, #FFE7C8 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: center;
}
.cta-strip h2 {
  max-width: 760px; margin: 0 auto 0.85rem;
}
.cta-strip h2 span { color: var(--accent); }
.cta-strip p { color: var(--muted); max-width: 640px; margin: 0 auto; }

/* ---------- Footer ---------- */
.site-footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
  color: var(--muted); font-size: 0.9rem;
  background: var(--surface);
}
.footer-inner {
  display: flex; flex-wrap: wrap; gap: 1rem;
  align-items: center; justify-content: space-between;
}
.footer-links { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.footer-links a { font-weight: 700; }
.footer-links a:hover { color: var(--accent); }

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0; transform: translateY(14px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .pillars { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .pillars,
  .builds,
  .steps,
  .values,
  .hero-split,
  .sister,
  .contact-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .sister-cta { justify-content: flex-start; }

  .site-header {
    overflow: visible;
    z-index: 200;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: rgba(255, 250, 243, 0.97);
    border-bottom: 1px solid var(--border);
  }

  html.has-mobile-nav-open,
  html.has-mobile-nav-open body { overflow: hidden; }

  .brand { font-size: clamp(0.85rem, 3.15vw, 1.05rem); }
  .brand-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .nav-toggle { display: inline-flex; }

  .header-inner {
    position: relative;
    z-index: 300;
  }

  .nav-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: fixed;
    left: 0;
    right: 0;
    width: 100%;
    max-width: none;
    box-sizing: border-box;
    top: var(--mobile-nav-offset, var(--site-header-anchor));
    bottom: auto;
    height: calc(100vh - var(--mobile-nav-offset, var(--site-header-anchor)));
    height: calc(100dvh - var(--mobile-nav-offset, var(--site-header-anchor)));
    max-height: calc(100dvh - var(--mobile-nav-offset, var(--site-header-anchor)));
    z-index: 400;
    overflow-y: auto;
    overflow-x: hidden;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    margin: 0;
    padding: 0;
    background: rgba(255, 250, 243, 0.99);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 16px 40px rgba(45, 55, 72, 0.10);
    transform: translate3d(0, -104%, 0);
    visibility: hidden;
    pointer-events: none;
    transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.28s;
  }
  .nav-list.is-open {
    transform: translate3d(0, 0, 0);
    visibility: visible;
    pointer-events: auto;
  }
  .nav-list a {
    display: block;
    padding: 1rem calc(var(--pad) + env(safe-area-inset-right, 0))
      1rem calc(var(--pad) + env(safe-area-inset-left, 0));
    border-bottom: 1px solid var(--border);
    font-size: 1rem;
  }
  .nav-list a:last-child { padding-bottom: max(1rem, env(safe-area-inset-bottom, 0)); }
  .nav-list a.is-active {
    border-bottom-color: var(--border);
    background: var(--accent-glow);
    color: var(--accent-dim);
  }
  .nav-cta { display: none; }
}

@media (max-width: 560px) {
  .day-list { grid-template-columns: 1fr; }
  .btn { width: 100%; }
  .btn-row { flex-direction: column; align-items: stretch; }
  .footer-inner { justify-content: center; text-align: center; }
}

@media (max-width: 768px) {
  .sun-bg {
    opacity: 0.6;
    inset: -100px 0;
    transform: none;
    will-change: auto;
  }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto; }
  .sun-bg .float, .sun-bg .float-2, .sun-bg .float-3 { animation: none; }
  .sun-bg {
    transform: none;
    will-change: auto;
  }
}

/* ============================================================
   LEARN PAGE — same three-tier structure as the sister site,
   but reframed for individuals + light/friendly look.
   ============================================================ */

.tiers-section { padding-top: clamp(1rem, 3vw, 2rem); }

.tiers-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(3, 1fr);
  align-items: stretch;
}
.tier-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 2rem 1.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.tier-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: var(--shadow);
}
.tier-card--featured {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 18px 50px var(--accent-glow);
  background: linear-gradient(180deg, rgba(255, 138, 61, 0.05), var(--surface) 30%);
}
.tier-card--advanced {
  background: linear-gradient(180deg, var(--surface), #FFF6EA 80%);
}

.tier-flag {
  position: absolute;
  top: 1rem; right: 1rem;
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #fff;
  background: var(--accent);
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
  font-weight: 800;
  box-shadow: 0 6px 18px var(--accent-glow);
}

.tier-head { margin-bottom: 1.25rem; }
.tier-label {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-dim);
  margin-bottom: 0.6rem;
  font-weight: 800;
}
.tier-head h3 { font-size: 1.35rem; margin-bottom: 0.5rem; }
.tier-tagline { color: var(--muted); font-size: 0.98rem; line-height: 1.55; }

.tier-meta {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.65rem;
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.tier-meta > div { display: flex; flex-direction: column; }
.tier-meta span {
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.2rem;
  font-weight: 700;
}
.tier-meta strong { font-size: 0.9rem; color: var(--text); font-weight: 700; line-height: 1.3; }

.tier-body { flex: 1; margin-bottom: 1.5rem; }
.tier-body h4 {
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-dim);
  margin-bottom: 0.85rem;
  font-weight: 800;
}

.tier-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}
.tier-list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--text);
  font-weight: 500;
}
.tier-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.tier-list em { color: var(--accent-dim); font-style: normal; font-weight: 700; }

.tier-callout {
  margin-top: 1rem;
  padding: 0.95rem 1.1rem;
  border-left: 4px solid var(--accent);
  background: var(--accent-glow);
  font-size: 0.9rem;
  color: var(--text);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-weight: 600;
}

.tier-price {
  margin-bottom: 1.5rem;
  padding: 1.1rem 0 0;
  border-top: 1px dashed var(--border-strong);
}
.price-row {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
  flex-wrap: wrap;
}
.price-amount {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
  line-height: 1;
}
.tier-card--featured .price-amount { color: var(--accent); }
.price-suffix {
  font-size: 0.84rem;
  color: var(--muted);
  font-weight: 600;
}
.price-note {
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.55;
  margin: 0;
}

.tier-cta {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.tier-cta .btn {
  width: 100%;
  padding: 0.85rem 1rem;
  font-size: 0.85rem;
}

@media (max-width: 960px) {
  .tiers-grid { grid-template-columns: 1fr; gap: 1.25rem; }
  .tier-card { padding: 1.75rem 1.4rem; }
  .price-amount { font-size: 2.1rem; }
}
@media (max-width: 480px) {
  .tier-meta { grid-template-columns: 1fr; }
}

/* ---------- LEARN — seminar-style tier cards (lighter than full tier spec) ---------- */
.seminar-intro {
  max-width: 720px;
  margin: 0 auto 2.5rem;
  text-align: center;
}
.seminar-intro p {
  color: var(--muted);
  font-size: 1.08rem;
}

.seminar-grid {
  display: grid;
  gap: clamp(1.25rem, 3vw, 1.75rem);
  grid-template-columns: repeat(3, 1fr);
  align-items: stretch;
}

.seminar-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: clamp(1.75rem, 4vw, 2.35rem) clamp(1.35rem, 3vw, 1.75rem);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 6px);
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.seminar-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 138, 61, 0.45);
  box-shadow: var(--shadow);
}

.seminar-card--featured {
  border-color: var(--accent);
  background: linear-gradient(165deg, rgba(255, 138, 61, 0.08) 0%, var(--surface) 42%);
  box-shadow: 0 0 0 1px rgba(255, 138, 61, 0.25), 0 20px 48px var(--accent-glow);
}

.seminar-card--deep {
  background: linear-gradient(165deg, rgba(61, 183, 199, 0.07) 0%, var(--surface) 50%);
}

.seminar-flag {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #fff;
  background: var(--accent);
  padding: 0.32rem 0.55rem;
  border-radius: 999px;
  font-weight: 800;
}

.seminar-step {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--accent-glow);
  color: var(--accent-dim);
  font-weight: 900;
  font-size: 1.15rem;
  margin-bottom: 1rem;
  box-shadow: 0 0 0 1px var(--border) inset;
}
.seminar-card--featured .seminar-step {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 20px var(--accent-glow);
}
.seminar-card--deep .seminar-step {
  background: var(--accent-2-glow);
  color: #1f7a86;
}

.seminar-eyebrow {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.seminar-card h3 {
  font-size: clamp(1.2rem, 2.2vw, 1.45rem);
  margin-bottom: 0.65rem;
  line-height: 1.25;
}

.seminar-lede {
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex: 1;
}

.seminar-price {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px dashed var(--border-strong);
  width: 100%;
}
.seminar-price .price-amount {
  font-size: clamp(1.85rem, 4vw, 2.35rem);
  display: block;
  margin-bottom: 0.25rem;
}
.seminar-price .price-hint {
  font-size: 0.82rem;
  color: var(--muted);
  font-weight: 600;
  margin: 0;
}

.seminar-cta {
  margin-top: 1rem;
  width: 100%;
}
.seminar-cta .btn {
  width: 100%;
}

.consultant-strip {
  margin-top: clamp(2.5rem, 6vw, 3.5rem);
  padding: clamp(1.5rem, 4vw, 2.25rem);
  background: linear-gradient(120deg, var(--surface-2), #fff);
  border: 1px solid var(--border-strong);
  border-radius: calc(var(--radius) + 4px);
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
  text-align: center;
  box-shadow: var(--shadow-soft);
}
@media (min-width: 720px) {
  .consultant-strip {
    grid-template-columns: 1fr auto;
    align-items: center;
    text-align: left;
  }
  .consultant-strip .btn-row {
    margin-top: 0;
    justify-content: flex-end;
  }
}
.consultant-strip h2 {
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  margin-bottom: 0.45rem;
}
.consultant-strip p {
  color: var(--muted);
  margin: 0;
  max-width: 52ch;
}

.how-deliver-simple {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, 1fr);
}
.how-deliver-simple article {
  padding: 1.35rem 1.2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  box-shadow: var(--shadow-soft);
}
.how-deliver-simple h3 {
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
}
.how-deliver-simple p {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 0;
}

.teach-brief {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, 1fr);
  max-width: 900px;
  margin: 0 auto;
}
.teach-brief li {
  list-style: none;
  padding: 1.25rem 1.15rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-weight: 600;
  color: var(--text);
  text-align: center;
  box-shadow: var(--shadow-soft);
}

/* Learn — “How we teach”: centered band (inline margin:0 on ul was cancelling margin: auto) */
.teach-section .container {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.teach-section .section-head {
  width: min(100%, 760px);
  margin-left: 0;
  margin-right: 0;
  margin-bottom: 2rem;
}
.teach-section .teach-brief {
  width: min(100%, 900px);
  margin-left: 0;
  margin-right: 0;
}

@media (max-width: 900px) {
  .seminar-grid,
  .how-deliver-simple,
  .teach-brief { grid-template-columns: 1fr; }
}