:root {
  --navy: #062b52;
  --navy-2: #0b3d70;
  --teal: #00a9ad;
  --teal-dark: #007d82;
  --cyan: #61e3e0;
  --lime: #c9ff43;
  --ink: #122d45;
  --muted: #5f7385;
  --paper: #f7fbfc;
  --white: #ffffff;
  --line: #d5e4e9;
  --shadow: 0 24px 70px rgba(4, 36, 69, .15);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.skip-link { position: fixed; top: -100px; left: 1rem; z-index: 100; padding: .75rem 1rem; background: var(--lime); color: var(--navy); font-weight: 800; }
.skip-link:focus { top: 1rem; }

.status-bar {
  background: var(--navy);
  color: #dceff5;
  padding: .58rem 1rem;
  text-align: center;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .04em;
}
.status-dot { display: inline-block; width: .55rem; height: .55rem; margin-right: .5rem; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 4px rgba(201,255,67,.14); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 2rem;
  min-height: 76px;
  padding: 0 clamp(1.1rem, 4vw, 4.5rem);
  border-bottom: 1px solid rgba(6,43,82,.1);
  background: rgba(247,251,252,.93);
  backdrop-filter: blur(16px);
}
.brand { display: inline-flex; align-items: center; gap: .7rem; width: max-content; text-decoration: none; color: var(--navy); font-weight: 900; letter-spacing: -.02em; }
.brand-mark { display: grid; place-items: center; width: 2.45rem; height: 2.45rem; border-radius: .65rem; color: var(--white); background: var(--teal); font-size: .82rem; letter-spacing: .04em; }
.brand small { display: block; color: var(--teal-dark); font-size: .61rem; letter-spacing: .15em; }
.site-header nav { display: flex; gap: 1.6rem; }
.site-header nav a { position: relative; text-decoration: none; color: var(--muted); font-size: .92rem; font-weight: 700; }
.site-header nav a::after { content: ""; position: absolute; left: 0; bottom: -.35rem; width: 0; height: 2px; background: var(--teal); transition: width .2s ease; }
.site-header nav a:hover::after, .site-header nav a:focus-visible::after { width: 100%; }
.header-cta { justify-self: end; padding: .72rem 1.05rem; border: 1px solid var(--navy); border-radius: .65rem; text-decoration: none; color: var(--navy); font-size: .88rem; font-weight: 850; }

.hero {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(330px, .72fr);
  align-items: center;
  gap: clamp(2.5rem, 6vw, 7rem);
  min-height: calc(100vh - 110px);
  padding: clamp(4.5rem, 8vw, 8rem) clamp(1.25rem, 7vw, 8rem);
  overflow: hidden;
  color: var(--white);
  background: var(--navy);
}
.hero-grid { position: absolute; inset: 0; z-index: -1; opacity: .17; background-image: linear-gradient(rgba(97,227,224,.24) 1px, transparent 1px), linear-gradient(90deg, rgba(97,227,224,.24) 1px, transparent 1px); background-size: 38px 38px; mask-image: linear-gradient(90deg,#000,transparent 76%); }
.hero::after { content:""; position:absolute; right:-18%; bottom:-45%; z-index:-1; width:65vw; aspect-ratio:1; border:1px solid rgba(97,227,224,.23); border-radius:50%; box-shadow: 0 0 0 80px rgba(97,227,224,.025), 0 0 0 160px rgba(97,227,224,.02); }
.eyebrow { margin: 0 0 .9rem; color: var(--teal-dark); font-size: .76rem; font-weight: 900; letter-spacing: .16em; }
.hero .eyebrow { color: var(--cyan); }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 780px; margin-bottom: 1.4rem; font-size: clamp(3rem, 6.2vw, 6.4rem); line-height: .96; letter-spacing: -.06em; }
h1 span { color: var(--cyan); }
.hero-lead { max-width: 720px; margin-bottom: 2rem; color: #d7e9f1; font-size: clamp(1.05rem, 1.5vw, 1.3rem); }
.hero-lead strong { color: var(--white); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-bottom: 2.7rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 3.25rem; padding: .8rem 1.25rem; border-radius: .7rem; text-decoration: none; font-weight: 850; transition: transform .18s ease, box-shadow .18s ease, background .18s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--navy); background: var(--lime); box-shadow: 0 12px 30px rgba(201,255,67,.15); }
.button-secondary { border: 1px solid rgba(255,255,255,.35); color: var(--white); background: rgba(255,255,255,.06); }
.hero-facts { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1rem; max-width: 820px; padding: 0; margin: 0; list-style: none; }
.hero-facts li { padding-left: .9rem; border-left: 3px solid var(--teal); }
.hero-facts strong, .hero-facts span { display: block; }
.hero-facts strong { font-size: .92rem; }
.hero-facts span { color: #a9c4d1; font-size: .77rem; line-height: 1.35; }
.hero-cover { position: relative; justify-self: center; width: min(100%, 430px); margin: 0; }
.hero-cover img { position: relative; z-index: 2; width: 100%; border-radius: .2rem; box-shadow: 0 30px 90px rgba(0,0,0,.42); transform: rotate(1.5deg); }
.cover-shadow { position: absolute; inset: 5% -7% -5% 9%; z-index: 1; border: 1px solid rgba(97,227,224,.35); background: rgba(0,169,173,.12); transform: rotate(-2.5deg); }
.hero-cover figcaption { margin-top: 1.2rem; color: #a8c3d0; font-size: .75rem; text-align: center; }

.signal-strip { display: flex; justify-content: center; flex-wrap: wrap; gap: 0; border-bottom: 1px solid var(--line); background: var(--white); }
.signal-strip div { padding: 1rem 1.5rem; border-right: 1px solid var(--line); color: var(--muted); font-size: .76rem; font-weight: 800; letter-spacing: .03em; }
.signal-strip span { color: var(--teal-dark); margin-right: .45rem; }

.section { padding: clamp(5rem, 9vw, 9rem) clamp(1.25rem, 7vw, 8rem); }
.section-heading { max-width: 760px; margin-bottom: 3rem; }
.section-heading h2, .approach h2, .video-path h2, .author h2 { margin-bottom: 1rem; color: var(--navy); font-size: clamp(2.1rem, 4vw, 4.2rem); line-height: 1.03; letter-spacing: -.05em; }
.section-heading > p:last-child { color: var(--muted); font-size: 1.08rem; }
.inside { background: var(--white); }
.preview-grid { display: grid; grid-template-columns: 1.15fr 1fr 1fr; align-items: start; gap: clamp(1rem, 2.5vw, 2.2rem); }
.preview-card { margin: 0; border: 1px solid var(--line); background: var(--paper); box-shadow: 0 18px 50px rgba(4,36,69,.08); transition: transform .2s ease; }
.preview-card:hover { transform: translateY(-5px); }
.preview-card img { width: 100%; aspect-ratio: .707 / 1; object-fit: cover; object-position: top; }
.preview-card figcaption { padding: 1rem 1.1rem; border-top: 1px solid var(--line); color: var(--navy); font-weight: 800; font-size: .88rem; }
.text-link { display: inline-block; margin-top: 2rem; color: var(--teal-dark); font-weight: 850; text-decoration-thickness: 2px; text-underline-offset: .28rem; }

.approach { display: grid; grid-template-columns: minmax(260px,.72fr) 1.28fr; gap: clamp(3rem, 8vw, 8rem); background: #eaf4f6; }
.approach-intro { position: sticky; top: 120px; align-self: start; }
.steps { padding: 0; margin: 0; list-style: none; }
.steps li { display: grid; grid-template-columns: 4.5rem 1fr; gap: 1.25rem; padding: 1.6rem 0; border-top: 1px solid #bed4da; }
.steps li:last-child { border-bottom: 1px solid #bed4da; }
.steps > li > span { color: var(--teal-dark); font-size: .86rem; font-weight: 900; letter-spacing: .1em; }
.steps h3 { margin-bottom: .4rem; color: var(--navy); font-size: 1.25rem; }
.steps p { margin-bottom: 0; color: var(--muted); }

.plans { background: var(--navy); color: var(--white); }
.plans-heading h2 { color: var(--white); }
.plans-heading > p:last-child { color: #b8cfd9; }
.plans-heading .eyebrow { color: var(--cyan); }
.plan-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1.25rem; }
.plan-card { position: relative; display: flex; flex-direction: column; min-height: 570px; padding: 2rem; border: 1px solid rgba(255,255,255,.17); background: #0a365f; }
.plan-featured { border-top: 4px solid var(--cyan); }
.plan-complete { border-top: 4px solid var(--lime); background: var(--white); color: var(--ink); box-shadow: 0 28px 80px rgba(0,0,0,.22); transform: translateY(-1rem); }
.plan-review { border-top: 4px solid #ffbd59; }
.plan-label { align-self: flex-start; margin-bottom: 1.7rem; padding: .38rem .55rem; color: var(--navy); background: var(--cyan); font-size: .66rem; font-weight: 950; letter-spacing: .12em; }
.plan-complete .plan-label { background: var(--lime); }
.plan-review .plan-label { background: #ffbd59; }
.plan-card h3 { margin-bottom: .2rem; font-size: 1.45rem; }
.price { margin-bottom: 0; font-size: 4.5rem; line-height: 1; font-weight: 900; letter-spacing: -.06em; }
.price span { margin-right: .25rem; font-size: 1.1rem; vertical-align: top; line-height: 2.4; letter-spacing: 0; }
.price-note { margin-bottom: 1.8rem; color: #a9c4d1; font-size: .8rem; }
.plan-complete .price-note, .plan-complete .plan-small { color: var(--muted); }
.plan-card ul { display: grid; gap: .8rem; padding: 0; margin: 0 0 2rem; list-style: none; }
.plan-card li { position: relative; padding-left: 1.4rem; font-size: .92rem; }
.plan-card li::before { content: "✓"; position: absolute; left: 0; color: var(--cyan); font-weight: 900; }
.plan-complete li::before { color: var(--teal-dark); }
.plan-actions { display: grid; gap: .7rem; margin-top: auto; }
.buy-button { display: inline-flex; align-items: center; justify-content: center; width: 100%; min-height: 3.3rem; margin-top: auto; border: 0; border-radius: .55rem; color: var(--navy); background: var(--lime); font: inherit; font-weight: 900; text-align: center; text-decoration: none; cursor: pointer; }
.plan-actions .buy-button { margin-top: 0; }
.buy-button-secondary { border: 1px solid rgba(183,240,77,.55); color: var(--white); background: transparent; }
.buy-button:disabled { color: #8294a4; background: #d8e1e5; cursor: not-allowed; }
.plan-small { margin: .85rem 0 0; color: #a9c4d1; font-size: .75rem; text-align: center; }
.notebook-offers { display: grid; grid-template-columns: .85fr 1.15fr; gap: 3rem; margin-top: 4.5rem; padding-top: 3rem; border-top: 1px solid rgba(255,255,255,.2); }
.notebook-offers .eyebrow { color: var(--cyan); }
.notebook-offers h3 { margin-bottom: .8rem; font-size: 2rem; }
.notebook-offers p { color: #b8cfd9; }
.notebook-list { display: grid; gap: .7rem; }
.notebook-row { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 1rem; width: 100%; padding: 1rem 1.2rem; border: 1px solid rgba(255,255,255,.17); color: var(--white); background: rgba(255,255,255,.05); font: inherit; text-align: left; text-decoration: none; }
.notebook-row[href] { border-color: rgba(183,240,77,.58); cursor: pointer; }
.notebook-row[href]:hover { background: rgba(183,240,77,.12); }
.notebook-row strong { color: var(--lime); }
.notebook-row em { color: #9db5c2; font-size: .72rem; font-style: normal; text-transform: uppercase; letter-spacing: .08em; }

.video-path { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(3rem, 8vw, 8rem); align-items: center; background: var(--white); }
.video-copy p:not(.eyebrow) { max-width: 600px; color: var(--muted); font-size: 1.05rem; }
.video-copy .button { margin-top: .8rem; }
.monitor { padding: 1rem; border: 1px solid #b9d4da; border-radius: 1rem; background: #eff7f8; box-shadow: var(--shadow); }
.monitor-top { display: flex; gap: .35rem; padding: .2rem .2rem 1rem; }
.monitor-top span { width: .55rem; height: .55rem; border-radius: 50%; background: #aec3c9; }
.monitor-line { display: grid; grid-template-columns: 8rem 1fr 1.4fr; align-items: center; gap: 1rem; padding: 1.15rem 1rem; border-top: 1px solid #c8dce1; }
.monitor-line b { color: var(--navy); }
.monitor-line i { height: 2px; background: var(--teal); position: relative; }
.monitor-line i::after { content:""; position:absolute; right:0; top:-4px; width:9px; height:9px; border-radius:50%; background:var(--teal); }
.monitor-line span { color: var(--muted); font-size: .88rem; }

.faq { display: grid; grid-template-columns: .62fr 1.38fr; gap: clamp(3rem, 8vw, 8rem); background: #eaf4f6; }
.faq-heading { position: sticky; top: 120px; align-self: start; }
.faq-list details { border-top: 1px solid #b8d0d6; }
.faq-list details:last-child { border-bottom: 1px solid #b8d0d6; }
.faq-list summary { position: relative; padding: 1.4rem 3rem 1.4rem 0; color: var(--navy); font-weight: 850; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display:none; }
.faq-list summary::after { content:"+"; position:absolute; right:.35rem; top:1rem; font-size:1.6rem; color:var(--teal-dark); }
.faq-list details[open] summary::after { content:"−"; }
.faq-list details p { max-width: 720px; padding: 0 3rem 1.4rem 0; margin: 0; color: var(--muted); }

.author { display: grid; grid-template-columns: 11rem 1fr; align-items: center; gap: 2.5rem; background: var(--white); }
.author-mark { display:grid; place-items:center; width:11rem; height:11rem; border-radius:50%; color:var(--white); background:var(--navy); font-size:2.4rem; font-weight:900; box-shadow: inset 0 0 0 10px rgba(97,227,224,.13); }
.author h2 { margin-bottom: .6rem; font-size: clamp(2rem,3vw,3.4rem); }
.author p:last-child { max-width: 780px; margin-bottom: 0; color: var(--muted); }

footer { display: grid; grid-template-columns: 1fr 2fr auto; align-items:center; gap:2rem; padding:2.4rem clamp(1.25rem,7vw,8rem); color:#b8cfd9; background:#041e39; font-size:.8rem; }
.footer-brand { color:var(--white); font-weight:900; font-size:1rem; }
.footer-brand span { color:var(--cyan); }
footer p { margin:0; }
footer a { color:var(--white); font-weight:800; }
.mobile-action { display:none; }

:focus-visible { outline: 3px solid var(--lime); outline-offset: 4px; }

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-header nav { display:none; }
  .hero { grid-template-columns: 1fr .65fr; padding-left:2rem; padding-right:2rem; }
  .hero-facts { grid-template-columns: 1fr; }
  .preview-grid { grid-template-columns: repeat(2,1fr); }
  .preview-card:first-child { grid-row: span 2; }
  .plan-grid { grid-template-columns: 1fr; max-width:720px; margin:auto; }
  .plan-card { min-height:0; }
  .plan-complete { transform:none; }
  .notebook-offers, .video-path, .faq { grid-template-columns:1fr; }
  .faq-heading, .approach-intro { position:static; }
}

@media (max-width: 720px) {
  .status-bar { font-size:.73rem; }
  .site-header { min-height:64px; padding:0 1rem; }
  .brand-mark { width:2.1rem; height:2.1rem; }
  .header-cta { display:none; }
  .hero { grid-template-columns:1fr; min-height:auto; padding:4rem 1.2rem 5rem; }
  h1 { font-size:clamp(2.8rem,13vw,4.4rem); }
  .hero-cover { width:min(84vw,390px); }
  .hero-actions { flex-direction:column; }
  .button { width:100%; }
  .signal-strip { justify-content:flex-start; overflow:auto; flex-wrap:nowrap; }
  .signal-strip div { white-space:nowrap; }
  .section { padding:4.5rem 1.2rem; }
  .preview-grid { grid-template-columns:1fr; }
  .preview-card:first-child { grid-row:auto; }
  .approach { grid-template-columns:1fr; }
  .steps li { grid-template-columns:3rem 1fr; }
  .plan-card { padding:1.5rem; }
  .price { font-size:3.8rem; }
  .notebook-offers { gap:1.5rem; }
  .notebook-row { grid-template-columns:1fr auto; }
  .notebook-row em { grid-column:1/-1; }
  .monitor-line { grid-template-columns:7rem 1fr; }
  .monitor-line i { display:none; }
  .author { grid-template-columns:1fr; }
  .author-mark { width:7rem; height:7rem; }
  footer { grid-template-columns:1fr; padding-bottom:5.5rem; }
  .mobile-action { position:fixed; z-index:50; left:0; right:0; bottom:0; display:block; padding:.75rem 1rem; border-top:1px solid var(--line); background:rgba(247,251,252,.96); backdrop-filter:blur(12px); }
  .mobile-action a { display:block; padding:.85rem; border-radius:.6rem; color:var(--navy); background:var(--lime); text-align:center; text-decoration:none; font-weight:900; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior:auto; }
  *, *::before, *::after { transition:none !important; }
}

/* Focused buying journey and clearer mobile reading. */
section[id] { scroll-margin-top: 92px; }
.hero { min-height: 0; padding-top: clamp(3rem, 6vw, 6rem); padding-bottom: clamp(3rem, 6vw, 6rem); }
h1 { font-size: clamp(3rem, 5.5vw, 5.5rem); line-height: 1.04; }
.hero-actions { margin-bottom: .9rem; }
.hero-actions .button { gap: 1rem; }
.hero-compare { flex-basis: 100%; color: #c5dce7; font-size: .9rem; margin-top: .5rem; text-underline-offset: .3em; }
.hero-assurance { color: #c5dce7; font-size: .78rem; margin-bottom: 2rem; }
.hero-cover { width: min(100%, 350px); }
.hero-facts { gap: .9rem; }
.plan-physical { border-top: 4px solid #ffbd59; }
.plan-physical .plan-label { background: #ffbd59; }
.physical-price { font-size: 3.4rem; line-height: 1.03; font-weight: 900; letter-spacing: -.05em; margin: 1rem 0 .8rem; }
.purchase-note { color: #b8cfd9; text-align: center; font-size: .85rem; margin: 2rem 0 0; }
.schedule { background: #eaf4f6; }
.schedule-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.schedule-card { display: grid; grid-template-columns: auto 1fr; gap: 1.4rem; background: white; border: 1px solid var(--line); padding: 2rem; border-radius: .8rem; }
.schedule-date { font-size: 3.2rem; line-height: 1; color: var(--navy); font-weight: 900; margin: 0; }
.schedule-date span { display: block; font-size: .8rem; letter-spacing: .15em; margin-top: .6rem; color: var(--teal-dark); }
.access-label { display: block; font-size: .65rem; letter-spacing: .08em; font-weight: 850; color: var(--teal-dark); margin-bottom: .6rem; }
.schedule-card h3 { color: var(--navy); font-size: 1.5rem; margin-bottom: .7rem; }
.schedule-card p:last-child { color: var(--muted); font-size: .95rem; margin-bottom: 0; }
.author-purpose { margin-top: 1rem; }
.closing { background: var(--navy); color: white; text-align: center; }
.closing .eyebrow { color: var(--cyan); }
.closing h2 { font-size: clamp(2.3rem, 4.8vw, 4.6rem); line-height: 1.08; letter-spacing: -.04em; margin-bottom: 2rem; }
.closing .text-link { display: block; color: var(--cyan); }
.buy-button { padding: .85rem 1rem; line-height: 1.35; }
.buy-button:hover { filter: brightness(.96); }
.faq-list a { color: var(--teal-dark); text-underline-offset: .2em; }
@media (max-width: 980px) {
  .schedule-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .site-header { grid-template-columns: 1fr auto; }
  .header-cta { display: block; padding: .6rem .8rem; font-size: .8rem; }
  .hero { padding: 2.6rem 1.2rem 3rem; gap: 2.2rem; }
  h1 { font-size: clamp(2.4rem, 10.5vw, 3.6rem); }
  .hero-lead { font-size: 1.05rem; margin-bottom: 1.3rem; }
  .hero-actions { gap: .7rem; }
  .hero-assurance { font-size: .75rem; margin-bottom: 1.5rem; }
  .hero-cover { width: min(65vw, 280px); }
  .hero-facts { grid-template-columns: 1fr; gap: .9rem; }
  .hero-facts strong { font-size: .87rem; }
  .preview-grid { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; padding: 0 0 1.2rem; }
  .preview-card { flex: 0 0 83%; scroll-snap-align: start; box-shadow: none; }
  .section { padding: 3rem 1.2rem; }
  .section-heading { margin-bottom: 2rem; }
  .schedule-card { padding: 1.3rem; gap: 1rem; }
  .schedule-date { font-size: 2.5rem; }
  .notebook-row { min-width: 0; gap: .6rem; }
  .notebook-row span { overflow-wrap: anywhere; }
  .notebook-row strong { font-size: .88rem; }
  .mobile-action { display: grid; grid-template-columns: 1fr auto; gap: .6rem; align-items: center; padding-bottom: max(.75rem, env(safe-area-inset-bottom)); }
  .mobile-action a { font-size: .88rem; }
  .mobile-action .mobile-more { background: transparent; color: var(--navy); padding: .6rem .2rem; font-size: .74rem; }
  footer { padding-bottom: 7rem; }
  .closing .button { font-size: .9rem; }
}