:root {
  --ink: #17251f;
  --muted: #5c6d65;
  --green-950: #043d33;
  --green-900: #075c4c;
  --green-700: #0b826a;
  --lime: #89dc28;
  --cream: #fff9e9;
  --gold: #f7c948;
  --line: #dbe6e0;
  --white: #fff;
  --shadow: 0 24px 70px rgba(5, 66, 54, .16);
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Inter, system-ui, sans-serif; color: var(--ink); background: var(--white); line-height: 1.6; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
.container { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -100px; z-index: 100; padding: 10px 16px; background: var(--white); color: var(--green-950); border-radius: 8px; }
.skip-link:focus { top: 16px; }

.site-header { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.94); border-bottom: 1px solid rgba(219,230,224,.85); backdrop-filter: blur(12px); }
.header-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; letter-spacing: -.02em; }
.brand img { border-radius: 12px; }
nav { display: flex; align-items: center; gap: 28px; }
nav a { text-decoration: none; font-size: .94rem; font-weight: 650; }
nav a:hover { color: var(--green-700); }
.nav-cta { padding: 10px 17px; color: var(--white); background: var(--green-900); border-radius: 999px; }
nav .nav-cta:hover { color: var(--white); background: var(--green-700); }

.hero { overflow: hidden; background: radial-gradient(circle at 82% 20%, rgba(137,220,40,.28), transparent 27%), linear-gradient(135deg, #effcf5 0%, #fffaf0 70%); }
.hero-grid { min-height: 690px; padding-block: 82px 70px; display: grid; grid-template-columns: 1.04fr .96fr; gap: 70px; align-items: center; }
.eyebrow { margin: 0 0 12px; color: var(--green-700); font-size: .78rem; line-height: 1.3; font-weight: 800; letter-spacing: .14em; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 690px; margin-bottom: 24px; font-size: clamp(3.1rem, 6vw, 5.6rem); line-height: .98; letter-spacing: -.065em; }
h2 { margin-bottom: 18px; font-size: clamp(2rem, 4vw, 3.45rem); line-height: 1.08; letter-spacing: -.045em; }
h3 { line-height: 1.25; letter-spacing: -.02em; }
.hero-lede { max-width: 650px; margin-bottom: 30px; color: #41564c; font-size: 1.18rem; line-height: 1.7; }
.path-actions { width: 100%; display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
.path-button { min-height: 76px; padding: 14px 17px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 12px; border: 2px solid var(--green-900); border-radius: 15px; text-align: left; text-decoration: none; line-height: 1.1; transition: transform .2s, box-shadow .2s; }
.path-button:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(5,66,54,.14); }
.path-button > span:first-child { font-size: 1.5rem; }
.path-button small { display: block; margin-bottom: 5px; font-size: .61rem; font-weight: 800; letter-spacing: .1em; }
.path-button span:nth-child(2) { font-weight: 800; }
.path-button b { font-size: 1.2rem; }
.app-path { color: var(--white); background: var(--green-900); }
.course-path { color: var(--green-950); background: var(--white); }
.store-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.store-button { min-width: 184px; min-height: 59px; padding: 9px 17px; display: inline-flex; align-items: center; gap: 12px; color: var(--white); background: #101713; border: 1px solid #344039; border-radius: 12px; text-decoration: none; font-size: 1.08rem; font-weight: 700; line-height: 1.05; box-shadow: 0 8px 20px rgba(10,25,18,.12); transition: transform .2s, box-shadow .2s; }
.store-button:hover { transform: translateY(-2px); box-shadow: 0 13px 26px rgba(10,25,18,.2); }
.store-button small { display: block; margin-bottom: 4px; font-size: .59rem; font-weight: 600; letter-spacing: .08em; }
.store-mark { font-size: 1.45rem; color: var(--lime); }
.store-mark.apple { color: var(--white); font-size: 1.65rem; }
.store-logo { width: 30px; height: 30px; flex: 0 0 30px; object-fit: contain; }
.availability { margin: 14px 0 0; color: var(--muted); font-size: .86rem; }
.hero-visual { min-height: 555px; position: relative; display: grid; place-items: center; }
.hero-visual::before { content: ""; position: absolute; width: 430px; height: 430px; border-radius: 50%; background: var(--green-900); box-shadow: inset 0 0 0 35px rgba(255,255,255,.08); }
.phone { position: relative; overflow: hidden; z-index: 2; width: 252px; padding: 9px; background: #101713; border: 3px solid #29372f; border-radius: 41px; box-shadow: var(--shadow); transform: rotate(2deg); }
.phone img { width: 100%; border-radius: 31px; }
.lesson-note { position: absolute; right: 2%; bottom: 11%; z-index: 3; display: flex; align-items: center; gap: 10px; padding: 14px 17px; background: var(--white); border: 1px solid var(--line); border-radius: 16px; box-shadow: 0 16px 45px rgba(5,66,54,.18); }
.lesson-note span:last-child { display: grid; }
.lesson-note strong { font-size: .88rem; }
.lesson-note small { color: var(--muted); font-size: .72rem; }
.note-icon { display: grid; place-items: center; width: 36px; height: 36px; background: #eafbd4; border-radius: 50%; }
.course-hero { padding-block: 105px 115px; background: radial-gradient(circle at 18% 22%,rgba(247,201,72,.22),transparent 26%),linear-gradient(135deg,#fffdf4,#eefbf5); }
.course-hero-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 80px; }
.course-hero-copy h1 { margin-bottom: 24px; }
.course-hero-copy > p:not(.eyebrow,.coupon-note) { max-width: 650px; margin-bottom: 30px; color: #41564c; font-size: 1.12rem; line-height: 1.7; }

.benefit-strip { background: var(--green-950); color: var(--white); }
.benefit-grid { min-height: 88px; display: grid; grid-template-columns: repeat(3,1fr); align-items: center; gap: 32px; }
.benefit-grid p { margin: 0; font-weight: 650; text-align: center; }
.benefit-grid span { margin-right: 9px; color: var(--lime); }
.section { padding-block: 110px; }
.section-heading { max-width: 720px; margin: 0 auto 50px; text-align: center; }
.section-heading > p:last-child { color: var(--muted); font-size: 1.05rem; }
.steps-grid, .audience-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.step-card { position: relative; min-height: 250px; padding: 34px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.step-card::after { content: ""; position: absolute; inset: auto 34px 0; height: 4px; border-radius: 4px 4px 0 0; background: var(--lime); transform: scaleX(0); transform-origin: left; transition: transform .25s; }
.step-card:hover::after { transform: scaleX(1); }
.step-number { color: var(--green-700); font-size: .78rem; font-weight: 800; letter-spacing: .12em; }
.step-card h3 { margin: 45px 0 11px; font-size: 1.3rem; }
.step-card p, .audience-grid p { margin: 0; color: var(--muted); }

.product-tour { overflow: hidden; color: var(--white); background: var(--green-950); }
.product-grid { display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: 80px; }
.product-copy .eyebrow { color: var(--lime); }
.product-copy > p:not(.eyebrow) { color: #c6d8cf; font-size: 1.05rem; }
.feature-list { margin: 34px 0 0; padding: 0; display: grid; gap: 22px; list-style: none; }
.feature-list li { display: grid; grid-template-columns: 28px 1fr; gap: 12px; }
.feature-list li > span { color: var(--lime); }
.feature-list strong { display: block; margin-bottom: 4px; }
.feature-list p { margin: 0; color: #c6d8cf; font-size: .92rem; }
.phone-pair { min-height: 620px; position: relative; display: flex; justify-content: center; align-items: center; gap: 18px; }
.phone-card { width: 236px; margin: 0; padding: 8px; position: relative; z-index: 2; background: #111b17; border: 2px solid #35463d; border-radius: 36px; box-shadow: 0 30px 70px rgba(0,0,0,.3); transform: rotate(3deg) translateY(10px); }
.phone-card-back { z-index: 1; transform: rotate(-5deg) translateY(-25px); }
.phone-card img { border-radius: 27px; }
.phone-card figcaption { position: absolute; left: 50%; bottom: -48px; width: max-content; transform: translateX(-50%); color: #c6d8cf; font-size: .78rem; }

.audience { background: var(--cream); }
.section-heading.compact { max-width: 600px; }
.audience-grid article { padding: 30px; background: var(--white); border-radius: var(--radius); box-shadow: 0 12px 35px rgba(61,83,70,.07); }
.audience-grid article > span { display: block; margin-bottom: 28px; font-size: 2rem; }
.audience-grid h3 { margin-bottom: 10px; }
.video-course { background: #fffdf7; }
.course-grid { display: grid; grid-template-columns: .95fr 1.05fr; align-items: center; gap: 78px; }
.course-visual { position: relative; }
.course-visual > img { width: 100%; border-radius: var(--radius); box-shadow: var(--shadow); }
.course-badge { position: absolute; left: 28px; right: 28px; bottom: -35px; padding: 17px 20px; display: grid; grid-template-columns: auto 1fr; align-items: center; column-gap: 12px; color: var(--white); background: var(--green-950); border-radius: 16px; box-shadow: 0 15px 34px rgba(5,45,36,.24); }
.course-badge > span { grid-row: 1 / 3; display: grid; place-items: center; width: 40px; height: 40px; color: var(--green-950); background: var(--gold); border-radius: 50%; }
.course-badge small { color: #c6d8cf; }
.course-copy > p:not(.eyebrow,.coupon-note) { color: var(--muted); font-size: 1.05rem; }
.course-features { margin: 30px 0; padding: 0; display: grid; gap: 18px; list-style: none; }
.course-features li { display: grid; grid-template-columns: 26px 1fr; gap: 11px; }
.course-features li > span { color: var(--green-700); font-weight: 800; }
.course-features strong { display: block; margin-bottom: 3px; }
.course-features p { margin: 0; color: var(--muted); font-size: .9rem; }
.course-button { padding: 14px 20px; display: inline-flex; align-items: center; justify-content: center; gap: 18px; color: var(--white); background: var(--green-900); border-radius: 12px; font-weight: 800; text-decoration: none; transition: transform .2s, background .2s; }
.course-button:hover { transform: translateY(-2px); background: var(--green-700); }
.coupon-note { margin: 12px 0 0; color: var(--muted); font-size: .78rem; }

.faq { padding-top: 60px; }
.faq-grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: 90px; }
.faq-grid > div:first-child > p:last-child { color: var(--muted); }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { padding: 23px 38px 23px 0; position: relative; cursor: pointer; font-weight: 750; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 4px; color: var(--green-700); font-size: 1.4rem; }
details[open] summary::after { content: "−"; }
details p { padding: 0 42px 22px 0; margin: 0; color: var(--muted); }

.final-cta { padding-block: 88px; color: var(--white); background: var(--green-900); }
.final-cta .eyebrow { color: var(--lime); }
.final-cta h2 { margin-bottom: 7px; font-size: clamp(1.8rem,3vw,2.7rem); }
.choice-heading { max-width: 720px; margin-bottom: 38px; text-align: center; }
.choice-heading p:last-child { margin: 0; color: #d4e7de; }
.final-choice-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; }
.choice-card { min-height: 390px; padding: 34px; display: flex; flex-direction: column; align-items: flex-start; border-radius: var(--radius); }
.app-choice { color: var(--ink); background: var(--white); }
.course-choice { color: var(--white); background: var(--green-950); border: 1px solid #3c6657; }
.choice-icon { display: grid; place-items: center; width: 52px; height: 52px; margin-bottom: 28px; background: #eafbd4; border-radius: 50%; font-size: 1.4rem; }
.course-choice .choice-icon { color: var(--green-950); background: var(--gold); }
.choice-label { margin-bottom: 8px; color: var(--green-700); font-size: .72rem; font-weight: 800; letter-spacing: .13em; }
.course-choice .choice-label { color: var(--gold); }
.choice-card h3 { margin-bottom: 10px; font-size: 1.55rem; }
.choice-card > div > p:last-child { color: var(--muted); }
.course-choice > div > p:last-child { color: #c6d8cf; }
.choice-card .store-actions, .choice-card > .course-button { margin-top: auto; }
.course-button.light { color: var(--green-950); background: var(--white); }
.course-button.light:hover { background: var(--cream); }
.seo-copy { background: #f7faf8; }
.narrow-copy { max-width: 820px; }
.narrow-copy p:not(.eyebrow) { color: var(--muted); font-size: 1.03rem; line-height: 1.8; }
.narrow-copy a { color: var(--green-700); font-weight: 700; }
.centered-actions { display: flex; justify-content: center; gap: 12px; }
.course-detail { background: var(--white); }
.course-detail-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 70px; align-items: start; }
.course-detail-grid > div > p:not(.eyebrow) { color: var(--muted); font-size: 1.03rem; line-height: 1.8; }
.course-summary { padding: 34px; background: var(--cream); border: 1px solid #eee3c8; border-radius: var(--radius); }
.course-summary ul { margin: 20px 0 28px; padding-left: 22px; display: grid; gap: 10px; }
.store-actions.vertical { display: grid; }
.site-footer { padding-top: 65px; color: #d5e2dc; background: #0c1d16; }
.footer-grid { display: grid; grid-template-columns: 1.6fr .7fr .8fr; gap: 60px; }
.footer-brand { color: var(--white); }
.footer-grid > div { display: flex; flex-direction: column; align-items: flex-start; gap: 9px; }
.footer-grid p { color: #93a69d; }
.footer-grid h2 { margin: 0 0 5px; color: var(--white); font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; }
.footer-grid a:not(.brand) { color: #d5e2dc; text-decoration: none; font-size: .9rem; }
.footer-grid a:hover { color: var(--lime); }
.footer-bottom { margin-top: 50px; padding-block: 24px; border-top: 1px solid #294138; color: #93a69d; font-size: .82rem; }
.footer-bottom p { margin: 0; }

.best-way-content { width: min(760px,calc(100% - 40px)); margin: 42px auto; padding: 40px; background: var(--cream); border-radius: var(--radius); }
.best-way-content p, .best-way-content li { color: #3f5148; }
.article-cta { margin-top: 32px; padding: 24px; background: var(--white); border: 1px solid var(--line); border-radius: 16px; }
.article-cta .store-actions { margin-top: 15px; }

@media (max-width: 900px) {
  nav a:not(.nav-cta) { display: none; }
  .hero-grid, .course-hero-grid, .product-grid, .course-grid, .course-detail-grid, .faq-grid { grid-template-columns: 1fr; }
  .hero-grid { padding-top: 64px; gap: 30px; text-align: center; }
  .hero-copy { display: grid; justify-items: center; }
  .course-hero { padding-block: 72px 90px; }
  .course-hero-copy { text-align: center; }
  .course-hero-copy .course-button { display: flex; width: fit-content; margin-inline: auto; }
  .hero-visual { min-height: 560px; }
  .steps-grid, .audience-grid { grid-template-columns: 1fr; }
  .step-card { min-height: 210px; }
  .step-card h3 { margin-top: 30px; }
  .product-copy { max-width: 680px; }
  .course-grid { gap: 70px; }
  .course-visual { max-width: 680px; }
  .faq-grid { gap: 34px; }
}

@media (max-width: 600px) {
  .container { width: min(100% - 30px,1160px); }
  .header-inner { min-height: 66px; }
  .brand span { font-size: .95rem; }
  .brand img { width: 38px; height: 38px; }
  .nav-cta { padding: 9px 13px; font-size: .82rem; }
  h1 { font-size: clamp(2.75rem,14vw,4rem); }
  .hero-grid { min-height: auto; padding-block: 58px 50px; }
  .hero-lede { font-size: 1rem; }
  .course-hero { padding-block: 58px 78px; }
  .course-hero-grid { gap: 65px; }
  .store-actions { width: 100%; display: grid; }
  .path-actions { grid-template-columns: 1fr; }
  .store-button { width: 100%; justify-content: center; }
  .hero-visual { min-height: 500px; }
  .hero-visual::before { width: 340px; height: 340px; }
  .phone { width: 220px; }
  .lesson-note { right: -2%; bottom: 5%; }
  .benefit-grid { padding-block: 24px; grid-template-columns: 1fr; gap: 10px; }
  .benefit-grid p { text-align: left; }
  .section { padding-block: 76px; }
  .section-heading { margin-bottom: 34px; }
  .step-card, .audience-grid article { padding: 27px; }
  .product-grid { gap: 35px; }
  .phone-pair { min-height: 500px; gap: 6px; }
  .phone-card { width: 174px; }
  .course-badge { left: 14px; right: 14px; bottom: -45px; }
  .faq { padding-top: 20px; }
  .final-choice-grid { grid-template-columns: 1fr; }
  .choice-card { min-height: 410px; padding: 28px; }
  .centered-actions { width: min(100% - 30px,1160px); flex-direction: column; }
  .centered-actions .store-button, .centered-actions .course-button { width: 100%; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
  .best-way-content { padding: 26px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}
