:root {
  --teal: #123c45;
  --teal-deep: #0b2b31;
  --teal-soft: #dcebea;
  --amber: #d97706;
  --amber-dark: #b45309;
  --cream: #f5f1ea;
  --paper: #fffdf9;
  --white: #ffffff;
  --ink: #292524;
  --muted: #67605b;
  --line: #ded8cf;
  --shadow: 0 18px 45px rgba(31, 41, 35, .10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--cream); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; font-size: 18px; line-height: 1.6; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
p { margin: 0 0 1rem; color: var(--muted); }
h1, h2, h3, h4 { margin: 0; color: var(--teal); font-weight: 800; line-height: 1.17; letter-spacing: -.025em; }
h1 { font-size: clamp(2.5rem, 4.5vw, 3.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.24rem; }
h4 { font-size: 1.05rem; }

.container { width: min(1120px, calc(100% - 48px)); margin-inline: auto; }
.narrow { width: min(800px, calc(100% - 48px)); margin-inline: auto; }
.section { padding: 72px 0; }
.section-soft { min-height: 100vh; background: var(--cream); }
.centered { text-align: center; }
.section-heading { max-width: 780px; margin-bottom: 36px; }
.section-heading.centered { margin-inline: auto; }
.subheading { max-width: 740px; margin-bottom: 24px; }
.subheading h3 { font-size: clamp(1.55rem, 3vw, 2rem); }
.eyebrow { margin: 0 0 10px; color: var(--amber-dark); font-size: .78rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.lead { max-width: 680px; font-size: 1.16rem; }
.three-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }

.cta { display: inline-flex; align-items: center; justify-content: center; min-height: 58px; padding: 15px 28px; border: 0; border-radius: 10px; color: var(--white); background: var(--amber); box-shadow: 0 12px 28px rgba(180, 83, 9, .24); font-size: 1rem; font-weight: 800; line-height: 1.2; text-align: center; text-decoration: none; transition: background .18s ease, transform .18s ease, box-shadow .18s ease; }
.cta:hover { background: var(--amber-dark); transform: translateY(-2px); box-shadow: 0 16px 34px rgba(180, 83, 9, .3); }
.cta:focus-visible, summary:focus-visible, a:focus-visible, button:focus-visible { outline: 3px solid #fbbf24; outline-offset: 3px; }

.hero { padding: 58px 0; background: var(--cream); }
.hero-grid { display: grid; grid-template-columns: 1.03fr .97fr; gap: 64px; align-items: center; }
.hero-copy h1 { max-width: 15ch; }
.hero-lead { max-width: 620px; margin: 22px 0 0; font-size: 1.18rem; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 10px; margin: 24px 0; }
.hero-facts span { padding: 7px 12px; border: 1px solid #c9c1b7; border-radius: 999px; color: var(--muted); background: rgba(255, 255, 255, .55); font-size: .78rem; font-weight: 700; }
.hero-facts strong { color: var(--teal); }
.hero .cta { width: min(100%, 440px); }
.trust-line { margin: 14px 0 0; color: #6e665f; font-size: .78rem; font-weight: 650; }
.hero-image { display: block; overflow: hidden; border: 10px solid var(--white); border-radius: 24px; background: var(--white); box-shadow: var(--shadow); }
.hero-image img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; }

.pain-section { background: var(--white); }
.pain-section h2 { max-width: 760px; margin-bottom: 32px; }
.simple-card { padding: 26px; border: 1px solid var(--line); border-radius: 16px; background: var(--paper); box-shadow: 0 4px 14px rgba(41, 37, 36, .04); }
.simple-card h3 { margin-bottom: 10px; }
.simple-card p { margin: 0; font-size: .93rem; }

.dark-section, .value-section { color: var(--white); background: var(--teal-deep); }
.light-heading h2, .dark-section h3, .value-section h2 { color: var(--white); }
.light-heading .eyebrow, .dark-section .eyebrow, .value-section .eyebrow { color: #fbbf24; }
.method-grid article { padding: 26px; border: 1px solid rgba(255, 255, 255, .16); border-radius: 16px; background: rgba(255, 255, 255, .06); }
.method-grid article > span { display: grid; place-items: center; width: 42px; height: 42px; margin-bottom: 18px; border-radius: 50%; color: var(--teal-deep); background: #fbbf24; font-weight: 900; }
.method-grid p { margin: 10px 0 0; color: #cfe0de; font-size: .93rem; }

.receive-section { background: var(--paper); }
.delivery-card { padding: 26px; border: 1px solid var(--line); border-radius: 16px; background: var(--white); box-shadow: 0 6px 18px rgba(41, 37, 36, .05); }
.delivery-number { display: inline-grid; place-items: center; width: 38px; height: 38px; margin-bottom: 18px; border-radius: 10px; color: var(--white); background: var(--teal); font-size: .72rem; font-weight: 850; }
.delivery-card h3 { margin-bottom: 10px; }
.delivery-card p { margin: 0; font-size: .92rem; }

.product-showcase { display: grid; grid-template-columns: .95fr 1.05fr; gap: 42px; align-items: center; margin: 46px 0 56px; padding: 18px; border: 1px solid var(--line); border-radius: 20px; background: var(--cream); }
.product-showcase picture { display: block; overflow: hidden; width: 100%; aspect-ratio: 1 / 1; border-radius: 14px; }
.product-showcase img { width: 100%; height: 100%; object-fit: cover; }
.product-showcase figcaption { display: grid; gap: 8px; padding: 18px 26px 18px 4px; }
.product-showcase figcaption strong { color: var(--teal); font-size: clamp(1.55rem, 3vw, 2.2rem); line-height: 1.15; }
.product-showcase figcaption span { color: var(--ink); font-weight: 650; }
.product-showcase figcaption small { color: var(--muted); font-size: .8rem; }

.curriculum-block { margin-top: 8px; }
.curriculum-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 16px; margin: 0; padding: 0; list-style: none; }
.curriculum-list li { display: grid; grid-template-columns: 42px 1fr; gap: 13px; align-items: center; padding: 14px; border: 1px solid var(--line); border-radius: 12px; background: var(--white); }
.curriculum-list li > span { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 9px; color: var(--teal); background: var(--teal-soft); font-size: .68rem; font-weight: 850; }
.curriculum-list strong { display: block; color: var(--teal); font-size: .9rem; line-height: 1.25; }
.curriculum-list small { display: block; margin-top: 3px; color: var(--muted); font-size: .74rem; line-height: 1.35; }
.software-line { margin: 18px 0 0; padding: 16px 18px; border-left: 4px solid var(--amber); border-radius: 0 10px 10px 0; background: var(--cream); font-size: .88rem; }
.software-line strong { color: var(--teal); }

.extras-block { margin-top: 56px; }
.extras-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.extras-grid article { padding: 20px; border: 1px solid var(--line); border-radius: 14px; background: var(--white); }
.extras-grid article > strong { color: var(--amber-dark); font-size: .72rem; letter-spacing: .1em; }
.extras-grid h4 { margin: 8px 0 6px; }
.extras-grid p { margin: 0; font-size: .8rem; }

.proof-section { background: var(--cream); }
.proof-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.proof-grid figure { margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 16px; background: var(--white); box-shadow: 0 8px 20px rgba(41, 37, 36, .06); }
.proof-grid picture { display: block; overflow: hidden; aspect-ratio: 3 / 2; }
.proof-grid img { width: 100%; height: 100%; object-fit: cover; }
.proof-grid figcaption { display: grid; gap: 3px; padding: 18px 20px; }
.proof-grid figcaption strong { color: var(--teal); }
.proof-grid figcaption span { color: var(--muted); font-size: .82rem; }
.competency-strip { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 30px; }
.competency-strip span { padding: 7px 11px; border-radius: 999px; color: var(--teal); background: var(--teal-soft); font-size: .72rem; font-weight: 750; }

.steps-section { background: var(--white); }
.steps-list { display: grid; gap: 14px; margin: 0; padding: 0; list-style: none; }
.steps-list li { display: grid; grid-template-columns: 50px 1fr; gap: 18px; align-items: center; padding: 22px; border: 1px solid var(--line); border-radius: 14px; background: var(--paper); }
.steps-list li > span { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%; color: var(--white); background: var(--teal); font-weight: 900; }
.steps-list h3 { margin-bottom: 4px; }
.steps-list p { margin: 0; font-size: .88rem; }

.value-list { overflow: hidden; border: 1px solid rgba(255, 255, 255, .16); border-radius: 16px; background: rgba(255, 255, 255, .05); }
.value-list div { display: flex; justify-content: space-between; gap: 24px; padding: 18px 20px; border-bottom: 1px solid rgba(255, 255, 255, .12); }
.value-list div:last-child { border-bottom: 0; }
.value-list span { color: var(--white); font-weight: 650; }
.value-list strong { color: #b9d4d0; font-size: .82rem; text-align: right; }
.price-box { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 18px 0; }
.price-box > div { display: grid; padding: 22px; border-radius: 14px; background: var(--white); }
.price-box small { color: var(--muted); font-size: .7rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.price-box strong { margin-top: 4px; line-height: 1; }
.reference-value { color: var(--teal); font-size: 1.8rem; }
.sale-price { color: var(--amber-dark); font-size: 2.8rem; }
.value-section .cta { width: 100%; }
.value-note { margin: 14px 0 0; color: #90aaa7; font-size: .68rem; text-align: center; }

.guarantee-section { background: var(--white); }
.guarantee-grid { display: grid; grid-template-columns: 150px 1fr; gap: 34px; align-items: center; }
.guarantee-seal { display: grid; place-items: center; align-content: center; width: 136px; height: 136px; border-radius: 50%; color: var(--white); background: var(--teal); box-shadow: inset 0 0 0 10px rgba(255, 255, 255, .12); text-align: center; }
.guarantee-seal strong { font-size: 3rem; line-height: .85; }
.guarantee-seal span { font-size: .78rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.guarantee-grid h2 { margin-bottom: 12px; }
.guarantee-grid p:last-child { margin: 0; }

.faq-section { background: var(--cream); }
.faq-list { display: grid; gap: 12px; }
details { border: 1px solid var(--line); border-radius: 12px; background: var(--white); }
summary { position: relative; padding: 18px 54px 18px 20px; cursor: pointer; color: var(--teal); font-weight: 750; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 20px; top: 10px; color: var(--amber-dark); font-size: 1.7rem; font-weight: 400; }
details[open] summary::after { content: "−"; }
details p { margin: 0; padding: 0 20px 20px; font-size: .9rem; }

.author-section { background: var(--white); }
.author-grid { display: grid; grid-template-columns: 150px 1fr; gap: 32px; align-items: center; }
.author-grid > img { width: 150px; height: 150px; border: 7px solid var(--teal-soft); border-radius: 50%; object-fit: cover; }
.author-grid h2 { margin-bottom: 6px; }
.author-grid h3 { margin-bottom: 10px; font-size: 1rem; }
.author-grid p:last-child { margin: 0; }

.final-section { background: var(--cream); }
.final-section h2 { margin-inline: auto; max-width: 18ch; }
.final-section > div > p:not(.eyebrow):not(.trust-line) { margin: 16px auto 24px; }
.final-section .cta { width: min(100%, 460px); }
.dark-trust { color: var(--muted); }

footer { padding: 42px 0 100px; color: #d7e3e1; background: var(--teal-deep); }
.footer-grid { display: flex; justify-content: space-between; gap: 28px; }
.footer-grid p { margin: 4px 0 0; color: #93aaa7; font-size: .8rem; }
.footer-grid div:last-child { display: flex; flex-wrap: wrap; gap: 18px; justify-content: flex-end; font-size: .8rem; }
.trademark-note { width: min(1120px, calc(100% - 48px)); margin: 24px auto 0; padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, .1); color: #76908d; font-size: .7rem; text-align: center; }

.mobile-buy { display: none; }
dialog { position: relative; width: min(480px, calc(100% - 36px)); padding: 30px; border: 0; border-radius: 16px; box-shadow: 0 30px 90px rgba(0, 0, 0, .32); }
dialog::backdrop { background: rgba(11, 43, 49, .76); }
.dialog-close { position: absolute; top: 10px; right: 14px; border: 0; background: transparent; font-size: 1.7rem; cursor: pointer; }
.dialog-support { color: var(--amber-dark); font-weight: 750; }
code { padding: 2px 6px; border-radius: 4px; background: #eeeae4; }

@media (max-width: 900px) {
  .hero-grid, .product-showcase { grid-template-columns: 1fr; }
  .hero-copy { text-align: center; }
  .hero-copy h1, .hero-lead { margin-inline: auto; }
  .hero-facts { justify-content: center; }
  .hero .trust-line { text-align: center; }
  .hero-image { width: min(620px, 100%); margin-inline: auto; }
  .three-grid, .proof-grid { grid-template-columns: 1fr; }
  .product-showcase { gap: 18px; }
  .product-showcase picture { max-width: 560px; margin-inline: auto; }
  .product-showcase figcaption { padding: 8px 18px 22px; text-align: center; }
  .extras-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .proof-grid figure { display: grid; grid-template-columns: 190px 1fr; align-items: center; }
  .proof-grid picture { aspect-ratio: 1 / 1; }
}

@media (max-width: 767px) {
  body { font-size: 17px; }
  .container, .narrow { width: min(100% - 40px, 680px); }
  .section, .hero { padding: 56px 0; }
  h1 { font-size: 2.32rem; }
  h2 { font-size: 2rem; }
  .hero-grid { gap: 38px; }
  .hero-lead { font-size: 1.02rem; }
  .hero-facts { margin: 20px 0; }
  .hero-image { border-width: 7px; border-radius: 18px; }
  .cta { width: 100%; min-height: 56px; padding-inline: 18px; }
  .section-heading { margin-bottom: 28px; }
  .simple-card, .delivery-card { padding: 22px; }
  .method-grid article { padding: 22px; }
  .product-showcase { margin: 36px 0 44px; padding: 10px; }
  .curriculum-list { grid-template-columns: 1fr; }
  .curriculum-list li { padding: 12px; }
  .extras-block { margin-top: 44px; }
  .extras-grid { grid-template-columns: 1fr; }
  .proof-grid figure { display: block; }
  .proof-grid picture { aspect-ratio: 3 / 2; }
  .competency-strip { justify-content: flex-start; }
  .value-list div { display: grid; gap: 4px; }
  .value-list strong { text-align: left; }
  .price-box { grid-template-columns: 1fr; }
  .guarantee-grid { grid-template-columns: 1fr; text-align: center; }
  .guarantee-seal { margin-inline: auto; }
  .author-grid { grid-template-columns: 1fr; text-align: center; }
  .author-grid > img { margin-inline: auto; }
  .footer-grid { display: grid; }
  .footer-grid div:last-child { justify-content: flex-start; }
  footer { padding-bottom: 118px; }
  .mobile-buy { position: fixed; z-index: 30; left: 12px; right: 12px; bottom: 10px; display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 9px 9px 9px 15px; border: 1px solid rgba(255, 255, 255, .14); border-radius: 14px; background: rgba(11, 43, 49, .96); box-shadow: 0 14px 40px rgba(0, 0, 0, .25); transform: translateY(140%); transition: transform .25s ease; }
  .mobile-buy.visible { transform: translateY(0); }
  .mobile-buy div { display: grid; color: var(--white); line-height: 1.05; }
  .mobile-buy span { font-size: .66rem; }
  .mobile-buy strong { font-size: 1.16rem; }
  .mobile-buy a { min-height: 46px; padding: 10px 15px; border-radius: 9px; color: var(--white); background: var(--amber); font-size: .76rem; font-weight: 850; text-decoration: none; }
}

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