:root {
    --dts-ink: #16202a;
    --dts-muted: #5f6b75;
    --dts-paper: #f4f7f5;
    --dts-line: #d8dfdb;
    --dts-green: #087f5b;
    --dts-green-dark: #075f46;
    --dts-coral: #e85d3f;
    --dts-yellow: #f3c969;
}

.dts-shell { min-height: 100vh; padding: 8.5rem 1.5rem 4rem; background: radial-gradient(circle at 80% 15%, rgba(243, 201, 105, .22), transparent 28%), linear-gradient(145deg, #fff 0%, var(--dts-paper) 65%); color: var(--dts-ink); }
.dts-intro, .dts-quiz, .dts-result { width: min(1100px, 100%); margin: 0 auto; }
.dts-intro { min-height: 68vh; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr); align-items: center; gap: clamp(3rem, 8vw, 7rem); }
.dts-intro-copy h1 { max-width: 800px; margin: .5rem 0 1.5rem; font: 500 clamp(2.6rem, 6vw, 5.6rem)/1.02 "Source Serif 4", serif; letter-spacing: 0; }
.dts-intro-copy > p:not(.dts-kicker) { max-width: 650px; color: var(--dts-muted); font-size: 1.16rem; line-height: 1.7; }
.dts-kicker { margin: 0; color: var(--dts-green); font: 800 .78rem/1.2 Manrope, sans-serif; letter-spacing: .12em; text-transform: uppercase; }
.dts-score-preview { position: relative; padding: 2.5rem; border: 1px solid var(--dts-line); background: rgba(255,255,255,.82); box-shadow: 18px 18px 0 var(--dts-green); }
.dts-score-preview > span { display: block; font-weight: 800; }
.dts-score-preview > strong { display: inline-block; margin-top: 1.2rem; font: 500 5rem/1 "Source Serif 4", serif; }
.dts-score-preview > small { color: var(--dts-muted); font-size: 1rem; }
.dts-score-preview div { display: grid; grid-template-columns: 1fr auto; gap: .5rem; margin-top: 1rem; font-size: .82rem; }
.dts-score-preview i { grid-column: 1 / -1; height: 6px; background: linear-gradient(90deg, var(--dts-coral) var(--score), var(--dts-line) var(--score)); }
.dts-button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: .7rem; border: 1px solid transparent; border-radius: 4px; padding: .85rem 1.2rem; font: 700 .95rem/1.2 Manrope, sans-serif; }
.dts-button-primary { background: var(--dts-green); color: #fff; }
.dts-button-primary:hover { background: var(--dts-green-dark); color: #fff; }
.dts-button-quiet { border-color: var(--dts-line); background: transparent; color: var(--dts-ink); }
.dts-quiz { max-width: 800px; padding-top: 4vh; }
.dts-progress-row { display: flex; align-items: center; gap: 1rem; color: var(--dts-muted); font-weight: 700; }
.dts-progress { flex: 1; height: 6px; overflow: hidden; background: var(--dts-line); }
.dts-progress span { display: block; width: 11%; height: 100%; background: var(--dts-coral); transition: width .3s ease; }
.dts-quiz h2 { margin: 3.5rem 0 2rem; font: 500 clamp(1.8rem, 4vw, 3.2rem)/1.15 "Source Serif 4", serif; letter-spacing: 0; }
.dts-options { display: grid; gap: .75rem; }
.dts-option { width: 100%; display: grid; grid-template-columns: 42px 1fr; align-items: center; gap: 1rem; padding: 1rem; border: 1px solid var(--dts-line); border-radius: 4px; background: rgba(255,255,255,.75); color: var(--dts-ink); text-align: left; }
.dts-option strong { width: 36px; height: 36px; display: grid; place-items: center; border: 1px solid var(--dts-line); border-radius: 50%; }
.dts-option:hover, .dts-option[aria-checked="true"] { border-color: var(--dts-green); background: #fff; box-shadow: 4px 4px 0 rgba(8,127,91,.16); }
.dts-option[aria-checked="true"] strong { background: var(--dts-green); color: #fff; }
.dts-navigation { display: flex; justify-content: space-between; gap: 1rem; margin-top: 2rem; }
.dts-validation, .dts-form-status { margin-top: 1rem; color: #a13122; font-weight: 700; }
.dts-result-heading { display: grid; grid-template-columns: .75fr 1.25fr; gap: 4rem; align-items: end; padding-bottom: 3rem; border-bottom: 1px solid var(--dts-line); }
.dts-total { display: inline-block; margin-top: 1rem; font: 500 clamp(5rem, 12vw, 9rem)/.8 "Source Serif 4", serif; }
.dts-diagnosis h2 { color: var(--dts-coral); font: 500 clamp(2rem, 5vw, 4rem)/1.05 "Source Serif 4", serif; letter-spacing: 0; }
.dts-diagnosis p { max-width: 650px; color: var(--dts-muted); font-size: 1.05rem; line-height: 1.65; }
.dts-dimensions { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1rem; padding: 3rem 0; }
.dts-dimension { min-width: 0; }
.dts-dimension header { display: flex; justify-content: space-between; gap: .5rem; font-size: .82rem; font-weight: 700; }
.dts-dimension div { height: 9px; margin-top: .7rem; background: var(--dts-line); }
.dts-dimension i { display: block; height: 100%; background: var(--dts-green); }
.dts-contact-panel { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 7vw, 6rem); padding: 3rem; background: var(--dts-ink); color: #fff; }
.dts-contact-panel h2 { margin: .6rem 0 1rem; font: 500 clamp(1.8rem, 4vw, 3rem)/1.1 "Source Serif 4", serif; letter-spacing: 0; }
.dts-contact-panel p:not(.dts-kicker) { color: #bdc6ce; }
.dts-contact-panel form { display: grid; gap: .6rem; }
.dts-contact-panel input[type="text"], .dts-contact-panel input[type="email"] { width: 100%; min-height: 48px; border: 1px solid #596570; border-radius: 3px; padding: .75rem; background: #fff; color: var(--dts-ink); }
.dts-consent { display: grid; grid-template-columns: 20px 1fr; gap: .7rem; margin: .6rem 0; font-size: .8rem; line-height: 1.5; }
.dts-consent a { color: var(--dts-yellow); }
.dts-recommendations { margin-top: 2rem; padding: 3rem; border: 1px solid var(--dts-line); background: #fff; }
.dts-recommendations ol { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; margin: 2rem 0 0; padding: 0; list-style-position: inside; }

@media (max-width: 800px) {
    .dts-shell { padding: 7rem 1rem 2rem; }
    .dts-intro, .dts-result-heading, .dts-contact-panel { grid-template-columns: 1fr; }
    .dts-intro { gap: 2.5rem; }
    .dts-score-preview { margin-right: 12px; padding: 1.5rem; box-shadow: 10px 10px 0 var(--dts-green); }
    .dts-dimensions { grid-template-columns: 1fr; }
    .dts-result-heading { gap: 2rem; }
    .dts-contact-panel, .dts-recommendations { padding: 1.5rem; }
    .dts-recommendations ol { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
    .dts-progress span { transition: none; }
}