:root {
  --ink: #173d3a;
  --ink-deep: #102f2d;
  --teal: #2f7d74;
  --teal-bright: #5baea0;
  --teal-pale: #dceee7;
  --paper: #fbf6e8;
  --paper-deep: #efe4ca;
  --orange: #dc8b3c;
  --orange-pale: #f4d4a8;
  --brown: #6b4c32;
  --white: #fffdf8;
  --rule: rgba(23, 61, 58, .14);
  --shadow: 0 24px 70px rgba(39, 52, 43, .14);
  --sans: "Segoe UI", Arial, sans-serif;
  --serif: Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink-deep);
  background: var(--paper);
  font-family: var(--sans);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { max-width: 100%; }
.shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 100; padding: 12px 16px; background: var(--ink-deep); color: #fff; }
.skip-link:focus { top: 16px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(251, 246, 232, .94);
  border-bottom: 1px solid var(--rule);
  backdrop-filter: blur(12px);
}
.header-inner { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand img { border-radius: 12px; box-shadow: 0 5px 16px rgba(49, 79, 67, .16); }
.brand span { display: grid; }
.brand strong { font-family: var(--serif); font-size: 18px; letter-spacing: -.3px; }
.brand small { margin-top: 2px; color: #61746d; font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
nav { display: flex; align-items: center; gap: 28px; }
nav a { position: relative; text-decoration: none; font-size: 14px; font-weight: 700; }
nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -7px; height: 2px; background: var(--orange); transition: right .2s ease; }
nav a:hover::after, nav a:focus-visible::after { right: 0; }

.hero {
  position: relative;
  overflow: hidden;
  padding: 86px 0 82px;
  background:
    linear-gradient(rgba(47, 125, 116, .055) 1px, transparent 1px) 0 18px / 100% 31px,
    var(--paper);
}
.hero::before {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  right: -190px;
  top: -230px;
  border-radius: 50%;
  background: rgba(91, 174, 160, .12);
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1.12fr .88fr; gap: 80px; align-items: center; }
.eyebrow { margin: 0 0 20px; display: flex; align-items: center; gap: 10px; color: var(--teal); font-size: 12px; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.eyebrow span { width: 30px; height: 2px; background: var(--orange); }
.eyebrow.light { color: var(--orange-pale); }
.hero h1 { margin: 0; font-family: var(--serif); font-size: clamp(54px, 7vw, 92px); line-height: .98; letter-spacing: -.055em; font-weight: 600; }
.hero h1 em { color: var(--teal); font-weight: 500; }
.hero-lede { max-width: 670px; margin: 30px 0 0; color: #475f58; font-size: 19px; line-height: 1.75; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 0 22px; border-radius: 9px; text-decoration: none; font-size: 14px; font-weight: 800; transition: transform .2s ease, box-shadow .2s ease; }
.button:hover, .button:focus-visible { transform: translateY(-2px); }
.button.primary { background: var(--ink); color: #fff; box-shadow: 0 10px 24px rgba(23, 61, 58, .2); }
.button.secondary { border: 1px solid rgba(23, 61, 58, .25); background: rgba(255, 253, 248, .7); }
.trust-list { display: flex; flex-wrap: wrap; gap: 10px 22px; margin: 27px 0 0; padding: 0; list-style: none; color: #64746f; font-size: 12px; font-weight: 700; }
.trust-list li::before { content: "✓"; margin-right: 7px; color: var(--teal); font-weight: 900; }

.notebook-card {
  position: relative;
  min-height: 540px;
  padding: 42px 42px 34px 60px;
  border-radius: 5px 24px 24px 5px;
  background:
    linear-gradient(90deg, transparent 0 52px, rgba(220, 139, 60, .26) 52px 54px, transparent 54px),
    repeating-linear-gradient(to bottom, transparent 0 38px, rgba(20, 73, 68, .13) 38px 39px),
    #83bbad;
  border: 1px solid rgba(23, 61, 58, .25);
  box-shadow: var(--shadow);
  transform: rotate(1.3deg);
}
.notebook-card::after { content: ""; position: absolute; inset: 9px -9px -9px 9px; z-index: -1; border-radius: inherit; background: #caa36e; border: 1px solid rgba(107, 76, 50, .25); }
.spiral { position: absolute; left: -22px; top: 45px; bottom: 42px; display: flex; flex-direction: column; justify-content: space-between; }
.spiral i { display: block; width: 46px; height: 10px; border: 3px solid #aa7a37; border-radius: 12px; box-shadow: inset 0 1px #f2d18e; }
.note-head { display: flex; justify-content: space-between; color: rgba(16, 47, 45, .8); font-size: 12px; font-weight: 900; letter-spacing: .13em; text-transform: uppercase; }
.notebook-card h2 { margin: 27px 0 26px; max-width: 350px; font-family: var(--serif); font-size: 32px; line-height: 1.2; }
.notebook-card dl { margin: 0; }
.notebook-card dl div { min-height: 92px; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 18px; border-top: 1px solid rgba(23, 61, 58, .18); }
.notebook-card dt { font-size: 14px; font-weight: 700; }
.notebook-card dd { margin: 0; font-family: var(--serif); font-size: 33px; font-weight: 600; letter-spacing: -.04em; }
.notebook-card dd span { font-family: var(--sans); font-size: 13px; font-weight: 700; letter-spacing: 0; }
.checked { margin: 22px 0 4px; font-size: 11px; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.source-note { margin: 0; color: rgba(16, 47, 45, .8); font-size: 11px; }
.source-note a { text-underline-offset: 2px; }

.credibility-strip { background: var(--ink-deep); color: #e6f0ea; }
.credibility-strip p { margin: 0; padding: 21px 0; text-align: center; font-size: 14px; letter-spacing: .01em; }
.credibility-strip strong { color: var(--orange-pale); }

.start-section { padding: 100px 0 110px; }
.section-heading { display: grid; grid-template-columns: 1.25fr .75fr; gap: 80px; align-items: end; margin-bottom: 44px; }
.section-heading h2, .method-section h2, .guides-section h2 { margin: 0; font-family: var(--serif); font-size: clamp(38px, 4.4vw, 58px); line-height: 1.08; letter-spacing: -.04em; }
.section-heading > p { margin: 0 0 7px; color: #5b6f68; font-size: 16px; line-height: 1.7; }
.path-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--rule); background: var(--white); box-shadow: 0 20px 60px rgba(47, 63, 53, .08); }
.path-card { min-height: 390px; display: flex; flex-direction: column; padding: 34px; text-decoration: none; border-right: 1px solid var(--rule); transition: background .2s ease, transform .2s ease; }
.path-card:last-child { border-right: 0; }
.path-card:hover, .path-card:focus-visible { position: relative; z-index: 2; background: #fffaf0; transform: translateY(-5px); box-shadow: 0 18px 45px rgba(35, 60, 49, .1); }
.path-card.featured { background: var(--teal-pale); }
.card-number { color: var(--orange); font-family: var(--serif); font-size: 18px; }
.card-tag { margin-top: 52px; color: var(--teal); font-size: 11px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.path-card h3 { margin: 12px 0; font-family: var(--serif); font-size: 25px; line-height: 1.3; }
.path-card p { margin: 0; color: #60716c; font-size: 14px; }
.card-link { margin-top: auto; padding-top: 24px; font-size: 13px; font-weight: 900; }
.card-link b { margin-left: 5px; color: var(--orange); }

.guides-section { padding: 100px 0; background: var(--teal); color: #fff; }
.guides-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 100px; }
.guide-intro > p:last-child { max-width: 460px; color: #d8ebe5; font-size: 16px; line-height: 1.7; }
.guide-list { border-top: 1px solid rgba(255,255,255,.25); }
.guide-row { display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: center; padding: 30px 0; border-bottom: 1px solid rgba(255,255,255,.25); color: #fff; text-decoration: none; }
.guide-row:hover h3, .guide-row:focus-visible h3 { text-decoration: underline; text-decoration-color: var(--orange-pale); text-underline-offset: 6px; }
.guide-label { color: var(--orange-pale); font-size: 11px; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
.guide-list h3 { margin: 8px 0 7px; font-family: var(--serif); font-size: 25px; line-height: 1.25; }
.guide-list p { margin: 0; color: #d8ebe5; font-size: 13px; }
.read-now { min-width: 104px; padding: 9px 12px; border: 1px solid rgba(255,255,255,.35); border-radius: 999px; text-align: center; color: #fff; font-size: 11px; font-weight: 800; }

.method-section { padding: 88px 0; background: var(--paper-deep); }
.method-grid { display: grid; grid-template-columns: 90px 1fr .85fr; gap: 42px; align-items: center; }
.method-mark { width: 78px; height: 78px; display: grid; place-items: center; border-radius: 18px; background: var(--orange); color: var(--ink-deep); font-size: 40px; font-weight: 900; transform: rotate(-4deg); box-shadow: 8px 8px 0 rgba(47, 125, 116, .22); }
.method-grid > p { margin: 0; color: #53665f; font-size: 15px; line-height: 1.8; }

.feedback-section { padding: 96px 0; background: #fffaf0; border-top: 1px solid var(--rule); }
.feedback-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 30px 72px; align-items: start; }
.feedback-copy h2 { margin: 0; font-family: var(--serif); font-size: clamp(38px, 4.4vw, 58px); line-height: 1.08; letter-spacing: -.04em; }
.feedback-copy > p:not(.eyebrow):not(.feedback-note) { max-width: 510px; margin: 25px 0 0; color: #53665f; font-size: 16px; line-height: 1.75; }
.feedback-note { margin: 25px 0 0; padding: 17px 19px; border-left: 4px solid var(--orange); background: var(--paper); color: #5e6f69; font-size: 12px; line-height: 1.6; }
.feedback-options { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.feedback-card { min-height: 310px; display: flex; flex-direction: column; padding: 30px; border: 1px solid var(--rule); border-radius: 14px; background: var(--white); color: var(--ink); text-decoration: none; box-shadow: 0 14px 35px rgba(37, 63, 52, .07); transition: transform .2s ease, box-shadow .2s ease; }
.feedback-card:hover, .feedback-card:focus-visible { transform: translateY(-4px); box-shadow: 0 22px 50px rgba(37, 63, 52, .12); }
.feedback-kicker { color: var(--teal); font-size: 10px; font-weight: 900; letter-spacing: .13em; text-transform: uppercase; }
.feedback-card h3 { margin: 48px 0 13px; font-family: var(--serif); font-size: 28px; line-height: 1.2; }
.feedback-card p { margin: 0; color: #60716c; font-size: 14px; }
.feedback-link { margin-top: auto; padding-top: 26px; font-size: 13px; font-weight: 900; }
.feedback-link b { margin-left: 5px; color: var(--orange); }
.feedback-future { grid-column: 2; margin: 0; padding: 18px 21px; border-radius: 10px; background: var(--teal-pale); color: #49615a; font-size: 13px; line-height: 1.6; }

.site-footer { padding: 66px 0 24px; background: #0d2827; color: #e2ece6; }
.footer-grid { display: grid; grid-template-columns: 2fr .65fr .65fr; gap: 70px; }
.footer-brand { color: #fff; }
.footer-grid > div:first-child > p { max-width: 440px; color: #9cb2aa; font-size: 13px; }
.footer-grid h2 { margin: 3px 0 18px; color: var(--orange-pale); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; }
.footer-grid > div:not(:first-child) { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.footer-grid > div:not(:first-child) a { color: #d4e0db; text-decoration: none; font-size: 13px; }
.footer-grid > div:not(:first-child) a:hover { color: #fff; text-decoration: underline; text-underline-offset: 4px; }
.legal-line { display: flex; justify-content: space-between; gap: 24px; margin-top: 46px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12); color: #829b92; font-size: 10px; letter-spacing: .03em; }

@media (max-width: 900px) {
  nav a:not(:last-child) { display: none; }
  .hero { padding-top: 60px; }
  .hero-grid, .section-heading, .guides-grid, .method-grid, .feedback-grid { grid-template-columns: 1fr; gap: 46px; }
  .notebook-card { max-width: 590px; width: calc(100% - 18px); margin-left: 18px; transform: rotate(.5deg); }
  .path-grid { grid-template-columns: 1fr; }
  .path-card { min-height: 310px; border-right: 0; border-bottom: 1px solid var(--rule); }
  .path-card:last-child { border-bottom: 0; }
  .card-tag { margin-top: 30px; }
  .method-grid { grid-template-columns: 80px 1fr; }
  .method-grid > p { grid-column: 2; }
  .feedback-future { grid-column: 1; }
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; gap: 34px; }
}

@media (max-width: 600px) {
  .shell { width: min(100% - 26px, 1180px); }
  .header-inner { min-height: 72px; }
  .brand strong { font-size: 15px; }
  .brand small { display: none; }
  nav { gap: 10px; }
  nav a { font-size: 12px; }
  .hero { padding: 48px 0 62px; }
  .hero h1 { font-size: 51px; }
  .hero-lede { font-size: 16px; }
  .hero-actions { display: grid; }
  .notebook-card { min-height: auto; padding: 34px 26px 28px 48px; }
  .notebook-card h2 { font-size: 27px; }
  .notebook-card dl div { grid-template-columns: 1fr; gap: 0; padding: 15px 0; }
  .notebook-card dd { font-size: 28px; }
  .credibility-strip p { text-align: left; }
  .start-section, .guides-section { padding: 72px 0; }
  .section-heading h2, .method-section h2, .guides-section h2 { font-size: 38px; }
  .path-card { padding: 28px; }
  .guide-row { grid-template-columns: 1fr; gap: 16px; }
  .read-now { justify-self: start; }
  .method-grid { grid-template-columns: 1fr; }
  .method-grid > p { grid-column: auto; }
  .feedback-section { padding: 72px 0; }
  .feedback-options { grid-template-columns: 1fr; }
  .feedback-card { min-height: 255px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
  .legal-line { flex-direction: column; }
}

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

/* Interior pages */
.page-hero { padding: 76px 0 66px; border-bottom: 1px solid var(--rule); background: linear-gradient(rgba(47, 125, 116, .05) 1px, transparent 1px) 0 16px / 100% 31px, var(--paper); }
.page-hero.narrow .shell { max-width: 880px; }
.page-hero h1 { max-width: 940px; margin: 0; font-family: var(--serif); font-size: clamp(44px, 6vw, 76px); line-height: 1.02; letter-spacing: -.05em; }
.page-hero .page-lede { max-width: 760px; margin: 24px 0 0; color: #546b64; font-size: 18px; line-height: 1.75; }
.breadcrumbs { margin-bottom: 24px; color: #71817c; font-size: 12px; font-weight: 700; }
.breadcrumbs a { text-underline-offset: 3px; }
.article-meta { display: flex; flex-wrap: wrap; gap: 9px 24px; margin-top: 27px; color: #61746d; font-size: 12px; font-weight: 700; }
.article-meta span + span::before { content: "·"; margin-right: 24px; color: var(--orange); }
.guide-library { padding: 78px 0 96px; }
.library-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.library-card { display: flex; flex-direction: column; min-height: 330px; padding: 34px; border: 1px solid var(--rule); border-radius: 14px; background: var(--white); text-decoration: none; box-shadow: 0 14px 35px rgba(37, 63, 52, .07); transition: transform .2s ease, box-shadow .2s ease; }
.library-card:hover, .library-card:focus-visible { transform: translateY(-4px); box-shadow: 0 22px 50px rgba(37, 63, 52, .12); }
.library-card .guide-label { color: var(--teal); }
.library-card h2 { margin: 28px 0 12px; font-family: var(--serif); font-size: 31px; line-height: 1.22; }
.library-card p { margin: 0; color: #5d706a; }
.library-card .card-link { margin-top: auto; }
.library-note { margin-top: 28px; padding: 22px 24px; border-left: 4px solid var(--orange); background: var(--paper-deep); color: #53665f; font-size: 14px; }
.article-layout { display: grid; grid-template-columns: minmax(0, 760px) 250px; gap: 82px; align-items: start; padding: 76px 0 100px; }
.article-body { font-family: var(--serif); color: #243f3c; font-size: 18px; line-height: 1.83; }
.article-body > p:first-child { font-size: 21px; color: #37524d; }
.article-body h2 { margin: 58px 0 18px; font-family: var(--serif); font-size: 34px; line-height: 1.18; letter-spacing: -.035em; }
.article-body h3 { margin: 34px 0 12px; font-family: var(--sans); color: var(--teal); font-size: 16px; letter-spacing: .02em; }
.article-body a { color: #12675e; text-underline-offset: 3px; }
.article-body ul, .article-body ol { padding-left: 26px; }
.article-body li { margin: 10px 0; }
.article-body strong { color: var(--ink-deep); }
.key-box { margin: 34px 0; padding: 26px 28px; border-radius: 12px; background: var(--teal-pale); border: 1px solid rgba(47, 125, 116, .22); font-family: var(--sans); font-size: 15px; }
.key-box strong { display: block; margin-bottom: 7px; color: var(--teal); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; }
.warning-box { margin: 34px 0; padding: 24px 28px; border-left: 5px solid var(--orange); background: #fff3df; font-family: var(--sans); font-size: 15px; }
.timeline { margin: 34px 0; padding: 0; list-style: none; border-left: 2px solid rgba(47, 125, 116, .28); }
.timeline li { position: relative; margin: 0; padding: 0 0 27px 30px; }
.timeline li::before { content: ""; position: absolute; left: -8px; top: 10px; width: 14px; height: 14px; border-radius: 50%; background: var(--orange); border: 3px solid var(--paper); }
.timeline b { display: block; font-family: var(--sans); color: var(--ink-deep); font-size: 15px; }
.timeline span { color: #5d706a; }
.comparison { width: 100%; margin: 30px 0; border-collapse: collapse; font-family: var(--sans); font-size: 14px; }
.comparison th, .comparison td { padding: 15px 16px; border: 1px solid var(--rule); text-align: left; vertical-align: top; }
.comparison th { background: var(--ink-deep); color: #fff; }
.comparison tr:nth-child(even) td { background: rgba(220, 238, 231, .42); }
.source-list { margin-top: 55px; padding: 27px 28px; border-top: 2px solid var(--ink); background: var(--white); font-family: var(--sans); font-size: 13px; }
.source-list h2 { margin: 0 0 13px; font-size: 17px; letter-spacing: 0; }
.source-list ul { margin: 0; padding-left: 20px; }
.source-list li { margin: 7px 0; }
.article-side { position: sticky; top: 112px; }
.side-card { padding: 24px; border-radius: 13px; background: var(--ink-deep); color: #fff; box-shadow: var(--shadow); }
.side-card h2 { margin: 0 0 10px; font-family: var(--serif); font-size: 23px; }
.side-card p { margin: 0; color: #c9d9d3; font-size: 13px; }
.side-card a { display: inline-flex; margin-top: 18px; color: var(--orange-pale); font-size: 12px; font-weight: 800; text-underline-offset: 4px; }
.byline-card { margin-top: 18px; padding: 20px; border: 1px solid var(--rule); border-radius: 12px; background: var(--white); color: #576a64; font-size: 12px; }
.byline-card strong { display: block; color: var(--ink); font-family: var(--serif); font-size: 17px; }
.content-page { padding: 76px 0 100px; }
.content-page .prose { max-width: 820px; }
.prose { color: #3e5650; font-size: 16px; line-height: 1.8; }
.prose h2 { margin: 48px 0 13px; color: var(--ink-deep); font-family: var(--serif); font-size: 31px; letter-spacing: -.03em; }
.prose h3 { margin: 30px 0 10px; color: var(--teal); font-size: 16px; }
.prose a { color: #12675e; text-underline-offset: 3px; }
.prose ul { padding-left: 22px; }
.prose li { margin: 8px 0; }
.effective { display: inline-block; margin-top: 16px; padding: 6px 10px; border-radius: 6px; background: var(--teal-pale); color: var(--ink); font-size: 11px; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }

@media (max-width: 900px) {
  .article-layout { grid-template-columns: 1fr; gap: 40px; }
  .article-side { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
}
@media (max-width: 600px) {
  .page-hero { padding: 52px 0 46px; }
  .page-hero h1 { font-size: 45px; }
  .library-grid { grid-template-columns: 1fr; }
  .article-layout { padding: 52px 0 74px; }
  .article-body { font-size: 17px; }
  .article-body h2 { font-size: 30px; }
  .article-side { grid-template-columns: 1fr; }
  .comparison { display: block; overflow-x: auto; }
  .article-meta span + span::before { display: none; }
}