:root {
    color-scheme: dark;
    font-family: Arial, Helvetica, sans-serif;
    background: #1e1e2f;
    color: #f4f5fb;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; }
a { color: inherit; }
a:focus-visible, summary:focus-visible { outline: 3px solid #00f2c3; outline-offset: 4px; }

.site-header, .site-footer { border-color: rgba(244, 245, 251, .15); }
.site-header { border-bottom: 1px solid rgba(244, 245, 251, .15); }
.site-header__inner, main, .site-footer { width: min(100% - 3rem, 1160px); margin-inline: auto; }
.site-header__inner { min-height: 76px; display: flex; justify-content: space-between; align-items: center; gap: 2rem; }
.site-header__brand { font-size: 1.13rem; font-weight: 800; letter-spacing: -.04em; text-decoration: none; white-space: nowrap; }
.site-header__brand span { color: #00f2c3; }
.site-header__nav { display: flex; flex-wrap: wrap; gap: 1.5rem; align-items: center; }
.site-header__nav a { color: #c6cadb; font-size: .9rem; text-decoration: none; }
.site-header__nav a:hover, .site-footer a:hover { color: #00f2c3; }

.hero { min-height: 610px; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(310px, .85fr); align-items: center; gap: clamp(2rem, 6vw, 6rem); padding-block: clamp(4rem, 8vw, 7rem); }
.eyebrow { color: #00f2c3; font-size: .8rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.hero h1 { max-width: 780px; margin: 1.1rem 0 1.4rem; font-size: clamp(2.8rem, 5.2vw, 5.7rem); line-height: 1.04; letter-spacing: -.065em; }
.hero h1 span { color: #00f2c3; }
.hero__lead { max-width: 570px; color: #c6cadb; font-size: clamp(1.08rem, 1.7vw, 1.25rem); line-height: 1.7; }
.hero__note { max-width: 430px; color: #aeb4ca; font-size: .84rem; line-height: 1.6; }
.action { display: inline-flex; align-items: center; justify-content: center; gap: 1rem; min-height: 54px; padding: .85rem 1.3rem; border-radius: 8px; font-weight: 700; text-decoration: none; }
.action--primary { margin-block: 1.15rem .3rem; background: #00f2c3; color: #13253a; }
.action--primary:hover { background: #8bffe6; color: #13253a; }

.decision-card { padding: clamp(1.6rem, 3vw, 2.8rem); border: 1px solid rgba(244, 245, 251, .14); border-radius: 20px; background: #27293d; box-shadow: 22px 22px 0 rgba(29, 140, 248, .11); transform: rotate(1.5deg); }
.decision-card__label { margin: 0 0 1.3rem; color: #00f2c3; font-size: .82rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.decision-card__list { margin: 0; padding: 0; list-style: none; }
.decision-card__list li { padding: 1.2rem 0; border-top: 1px solid rgba(244, 245, 251, .16); }
.decision-card__list span, .decision-card__list strong { display: block; }
.decision-card__list span { margin-bottom: .4rem; color: #aeb4ca; font-size: .84rem; }
.decision-card__list strong { font-size: clamp(1.1rem, 1.7vw, 1.45rem); line-height: 1.25; }
.decision-card__footer { margin: 1.3rem 0 0; color: #aeb4ca; font-size: .85rem; }

.comparison, .guide, .process, .questions { padding-block: 5rem; border-top: 1px solid rgba(244, 245, 251, .15); }
.section-heading h2, .closing h2, .questions h2 { max-width: 700px; margin: .6rem 0 2.2rem; font-size: clamp(2rem, 3.2vw, 3.2rem); line-height: 1.15; letter-spacing: -.04em; }
.section-heading > p:last-child { max-width: 760px; color: #c6cadb; line-height: 1.7; }
.comparison__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; margin-top: 2rem; }
.comparison__property { padding: clamp(1.4rem, 3vw, 2.2rem); border: 1px solid rgba(244, 245, 251, .15); border-radius: 16px; background: #27293d; }
.comparison__property h3 { margin: 0 0 1.5rem; font-size: 1.4rem; }
.comparison__property label { display: block; margin: 1rem 0 .45rem; color: #c6cadb; font-size: .86rem; }
.comparison__property input { display: block; width: 100%; min-height: 48px; padding: .7rem .85rem; border: 1px solid #777f9f; border-radius: 7px; background: #1e1e2f; color: #fff; font: inherit; }
.comparison__property input:focus-visible { outline: 3px solid #00f2c3; outline-offset: 2px; }
.comparison__result { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; margin-top: 1.7rem; padding-top: 1rem; border-top: 1px solid rgba(244, 245, 251, .15); }
.comparison__result span { color: #c6cadb; font-size: .86rem; }
.comparison__result strong { color: #00f2c3; font-size: clamp(1.7rem, 3vw, 2.4rem); white-space: nowrap; }
.comparison__hint { color: #aeb4ca; font-size: .82rem; line-height: 1.6; }
.comparison__next { max-width: 780px; margin-top: 2rem; color: #c6cadb; line-height: 1.7; }
.comparison__handoff { display: flex; flex-wrap: wrap; gap: .8rem 1.5rem; max-width: 780px; margin: 1.5rem 0 0; padding: 1rem 0 0; border: 0; border-top: 1px solid rgba(244, 245, 251, .15); }
.comparison__handoff legend { margin-bottom: .7rem; padding: 0; font-weight: 700; }
.comparison__handoff label { display: inline-flex; align-items: center; gap: .45rem; cursor: pointer; }
.comparison__handoff input { accent-color: #00f2c3; }
.comparison__error { color: #ff9baf; font-weight: 700; }
.guide__section { max-width: 900px; padding-block: 1.5rem; border-top: 1px solid rgba(244, 245, 251, .15); }
.guide__section h3 { margin: 0 0 .8rem; font-size: clamp(1.35rem, 2.4vw, 1.9rem); }
.guide__section p { color: #c6cadb; line-height: 1.75; }
.guide__section strong { color: #f4f5fb; }
.guide__example { margin-block: 1.4rem; padding: 1.2rem 1.5rem; border-left: 4px solid #00f2c3; background: #27293d; }
.guide__example p { margin-block: 0 .5rem; }
.guide__example p:last-child { margin-bottom: 0; }
.guide__example-label { color: #00f2c3 !important; font-size: .82rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; }
.guide__table-wrap { overflow-x: auto; }
.guide__table { width: 100%; border-collapse: collapse; text-align: left; }
.guide__table th, .guide__table td { padding: .9rem .7rem; border-bottom: 1px solid rgba(244, 245, 251, .15); vertical-align: top; }
.guide__table thead th { color: #00f2c3; font-size: .82rem; }
.guide__table tbody th { width: 32%; font-weight: 700; }
.guide__table td { color: #c6cadb; }
.guide__attribution { margin-top: 2rem; font-size: .84rem; }
.process__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.process__step { padding: 1.6rem 0; border-top: 2px solid #1d8cf8; }
.process__number { color: #00f2c3; font-size: .85rem; font-weight: 700; }
.process__step h3 { margin: 1.3rem 0 .7rem; font-size: 1.35rem; }
.process__step p, .closing p, .questions p { color: #c6cadb; line-height: 1.7; }

.closing { display: flex; align-items: center; justify-content: space-between; gap: 3rem; padding: clamp(2rem, 5vw, 4rem); border-radius: 20px; background: #27293d; }
.closing h2 { margin-bottom: .8rem; }
.closing p:last-child { max-width: 670px; margin-bottom: 0; }
.closing .action { flex: 0 0 auto; }
.questions { margin-top: 5rem; }
.questions h2 { margin-bottom: 1.2rem; }
.questions details { max-width: 850px; padding: 1.25rem 0; border-bottom: 1px solid rgba(244, 245, 251, .15); }
.questions summary { cursor: pointer; font-size: 1.1rem; font-weight: 700; }
.questions details p { margin-bottom: 0; }

.site-footer { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem 2rem; padding-block: 2rem; border-top: 1px solid rgba(244, 245, 251, .15); color: #aeb4ca; font-size: .85rem; }
.site-footer p { margin: 0; }
.site-footer nav { display: flex; gap: 1.2rem; }

@media (max-width: 800px) {
    .hero { grid-template-columns: 1fr; min-height: 0; }
    .decision-card { max-width: 580px; transform: none; box-shadow: none; }
    .process__grid { grid-template-columns: 1fr; gap: .6rem; }
    .comparison__grid { grid-template-columns: 1fr; }
    .closing { display: block; }
    .site-header__inner { flex-wrap: wrap; padding-block: 1.1rem; }
}

@media (max-width: 540px) {
    .site-header__inner, main, .site-footer { width: min(100% - 2rem, 1160px); }
    .site-header__nav { width: 100%; gap: .7rem 1rem; }
    .site-header__nav a { font-size: .78rem; }
    .hero { padding-block: 3.3rem 4rem; }
    .action { width: 100%; }
    .comparison, .guide, .process, .questions { padding-block: 3.5rem; }
    .questions { margin-top: 3.5rem; }
    .site-footer { display: block; }
    .site-footer nav { margin-top: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
}