.sizing-selection-theme { overflow-x: clip; background: var(--color-white); }
.size-hero { position: relative; overflow: hidden; padding: clamp(1.5rem, 3.2vw, 3rem) 0; background: var(--color-light-blue); }
.size-hero::before { position: absolute; inset: 0; background-image: linear-gradient(rgba(19,142,208,.065) 1px, transparent 1px), linear-gradient(90deg, rgba(19,142,208,.065) 1px, transparent 1px); background-size: 52px 52px; content: ""; mask-image: linear-gradient(90deg, #000, rgba(0,0,0,.35) 70%, transparent); }
.size-hero__grid { position: relative; display: grid; grid-template-columns: minmax(0, .94fr) minmax(470px, 1.06fr); border: 1px solid var(--color-line); background: rgba(255,255,255,.64); }
.size-hero__copy { display: flex; min-width: 0; flex-direction: column; justify-content: center; padding: clamp(2.5rem, 5vw, 5rem); }
.size-hero h1 { max-width: 780px; margin: 0; color: var(--color-navy); font-family: var(--font-display); font-size: clamp(3.25rem, 4.7vw, 5rem); line-height: .94; letter-spacing: -.03em; text-transform: uppercase; }
.size-hero__copy > p:not(.eyebrow) { max-width: 690px; margin: 1.55rem 0 0; color: var(--color-muted); font-size: clamp(1rem, 1.25vw, 1.14rem); line-height: 1.75; }
.size-hero__actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }
.measurement-board { display: grid; grid-template-rows: auto 1fr auto auto; min-height: 650px; padding: clamp(2rem, 4vw, 3.5rem); color: var(--color-white); background: var(--color-navy); }
.measurement-board__head { display: flex; justify-content: space-between; gap: 1.5rem; padding-bottom: 1.2rem; border-bottom: 1px solid rgba(255,255,255,.2); text-transform: uppercase; }
.measurement-board__head span { color: var(--color-cyan); font-size: .68rem; font-weight: 800; letter-spacing: .14em; }
.measurement-board__head strong { font-size: .7rem; letter-spacing: .06em; }
.measurement-equation { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; gap: .8rem; align-items: center; padding: 2rem 0 1rem; }
.measurement-equation > div { min-width: 0; padding: 1.4rem 1rem; border: 1px solid rgba(50,188,222,.28); background: rgba(255,255,255,.04); }
.measurement-equation span { display: block; color: var(--color-cyan); font-family: var(--font-display); font-size: 1.05rem; }
.measurement-equation strong { display: block; margin-top: 1.4rem; font-family: var(--font-display); font-size: 1.65rem; line-height: 1; text-transform: uppercase; }
.measurement-equation small { display: block; margin-top: .45rem; color: #abc4d5; font-size: .68rem; line-height: 1.4; }
.measurement-equation > i { color: var(--color-cyan); font-size: 1.35rem; font-style: normal; }
.measurement-result { display: grid; grid-template-columns: auto 1fr; gap: 1.3rem; align-items: center; padding: 1.4rem; background: var(--color-cyan); color: var(--color-dark-navy); }
.measurement-result > span { font-family: var(--font-display); font-size: 2.2rem; }
.measurement-result small { display: block; font-size: .66rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.measurement-result strong { display: block; margin-top: .25rem; font-family: var(--font-display); font-size: 2rem; line-height: 1; text-transform: uppercase; }
.measurement-ruler { display: grid; grid-template-columns: auto repeat(9, 1fr) auto; align-items: end; gap: 0; margin-top: 1.8rem; color: #abc4d5; font-size: .6rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.measurement-ruler i { height: 12px; border-left: 1px solid rgba(255,255,255,.4); }
.measurement-ruler i:nth-of-type(3n) { height: 20px; }
.size-answer, .selection-inputs, .sup-sizing, .catalogue-reference, .size-evidence, .size-faq { padding: clamp(5rem, 9vw, 8rem) 0; }
.size-answer { color: var(--color-white); background: var(--color-dark-navy); }
.size-answer__grid { display: grid; grid-template-columns: .38fr 1fr .9fr; gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.size-answer h2, .selection-inputs h2, .kayak-sizing h2, .sup-sizing h2, .size-heading h2, .selection-proof h2, .size-evidence h2, .size-contact h2 { margin: 0; color: var(--color-navy); font-family: var(--font-display); font-size: clamp(2.65rem, 4.1vw, 4.3rem); line-height: .97; letter-spacing: -.025em; text-transform: uppercase; }
.size-answer h2 { color: var(--color-white); }
.size-answer__grid > div { padding-top: 1.2rem; border-top: 2px solid var(--color-cyan); }
.size-answer__grid > div p { margin: 0 0 1.1rem; color: #b9cede; line-height: 1.75; }
.size-answer__grid strong { color: var(--color-white); }
.selection-inputs__grid { display: grid; grid-template-columns: minmax(320px, .72fr) minmax(0, 1.28fr); gap: clamp(3rem, 8vw, 8rem); }
.selection-inputs__intro { position: sticky; top: 2rem; align-self: start; }
.selection-inputs__intro > p:not(.eyebrow) { max-width: 520px; margin: 1.5rem 0 2rem; color: var(--color-muted); line-height: 1.75; }
.input-ledger { margin: 0; padding: 0; border-top: 1px solid var(--color-line); list-style: none; }
.input-ledger li { position: relative; display: grid; grid-template-columns: 54px 180px 1fr 80px; gap: 1.2rem; align-items: center; min-height: 124px; border-bottom: 1px solid var(--color-line); }
.input-ledger li > span { color: var(--color-ocean); font-family: var(--font-display); font-size: 1.15rem; }
.input-ledger h3 { margin: 0; color: var(--color-navy); font-family: var(--font-display); font-size: 1.75rem; line-height: 1; text-transform: uppercase; }
.input-ledger p { margin: 0; color: var(--color-muted); font-size: .92rem; line-height: 1.65; }
.input-ledger li > i { position: relative; height: 32px; border-bottom: 1px solid var(--color-ocean); }
.input-ledger li > i::before, .input-ledger li > i::after { position: absolute; bottom: -4px; width: 1px; height: 8px; background: var(--color-ocean); content: ""; }
.input-ledger li > i::after { right: 0; }
.kayak-sizing { padding: clamp(5rem, 9vw, 8rem) 0; color: var(--color-white); background: var(--color-navy); }
.kayak-sizing__grid { display: grid; grid-template-columns: minmax(0, .92fr) minmax(450px, 1.08fr); gap: clamp(3rem, 7vw, 7rem); align-items: center; }
.kayak-sizing h2 { color: var(--color-white); }
.kayak-sizing__copy > p:not(.eyebrow) { margin: 1.5rem 0 0; color: #bdd1de; line-height: 1.75; }
.kayak-sizing__copy ol { margin: 2rem 0; padding: 0; border-top: 1px solid rgba(255,255,255,.18); list-style: none; }
.kayak-sizing__copy li { display: grid; grid-template-columns: 46px 1fr; gap: 1rem; padding: 1.1rem 0; border-bottom: 1px solid rgba(255,255,255,.18); }
.kayak-sizing__copy li > span { color: var(--color-cyan); font-family: var(--font-display); }
.kayak-sizing__copy strong { display: block; font-family: var(--font-display); font-size: 1.4rem; line-height: 1; text-transform: uppercase; }
.kayak-sizing__copy small { display: block; margin-top: .35rem; color: #a9c1d0; line-height: 1.5; }
.kayak-scale { padding: clamp(1.5rem, 3vw, 2.5rem); border: 1px solid rgba(50,188,222,.35); background: var(--color-dark-navy); }
.kayak-scale__head { display: flex; justify-content: space-between; padding-bottom: 1rem; border-bottom: 1px solid rgba(255,255,255,.18); text-transform: uppercase; }
.kayak-scale__head span { color: var(--color-cyan); font-size: .66rem; font-weight: 800; letter-spacing: .13em; }
.kayak-scale__head strong { font-family: var(--font-display); }
.kayak-scale svg { display: block; width: 100%; height: auto; }
.paddle-line { fill: rgba(50,188,222,.12); stroke: var(--color-cyan); stroke-width: 3; }
.scale-line { stroke: rgba(255,255,255,.48); stroke-width: 1.5; }
.scale-label { fill: #b9cede; font-family: var(--font-body); font-size: 14px; font-weight: 700; letter-spacing: 1px; }
.kayak-scale__notes { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; color: #abc4d5; font-size: .68rem; text-transform: uppercase; }
.kayak-scale__notes span { display: flex; align-items: center; gap: .5rem; }
.kayak-scale__notes i { width: 14px; height: 3px; background: var(--color-cyan); }
.sup-sizing { background: var(--color-light-blue); }
.sup-sizing__grid { display: grid; grid-template-columns: minmax(360px, .78fr) minmax(0, 1.22fr); gap: clamp(3rem, 8vw, 8rem); align-items: center; }
.sup-range { min-height: 640px; padding: clamp(2rem, 4vw, 3.5rem); border: 1px solid var(--color-line); background: var(--color-white); }
.sup-range__title { display: flex; justify-content: space-between; gap: 1rem; padding-bottom: 1.2rem; border-bottom: 1px solid var(--color-line); text-transform: uppercase; }
.sup-range__title span { color: var(--color-ocean); font-size: .68rem; font-weight: 800; letter-spacing: .13em; }
.sup-range__title strong { color: var(--color-navy); font-family: var(--font-display); font-size: 1.7rem; }
.sup-range__visual { display: grid; grid-template-columns: 1fr 64px; height: 450px; padding: 2.5rem 1rem; }
.sup-paddle { position: relative; margin: 0 auto; width: 100px; }
.sup-paddle i { position: absolute; top: 0; left: 47px; width: 6px; height: 310px; background: var(--color-navy); }
.sup-paddle b { position: absolute; top: -10px; left: 34px; width: 32px; height: 15px; border-radius: 50%; background: var(--color-navy); }
.sup-paddle span { position: absolute; top: 295px; left: 20px; width: 60px; height: 105px; border-radius: 45% 45% 48% 48% / 26% 26% 64% 64%; background: var(--color-ocean); clip-path: polygon(35% 0,65% 0,100% 82%,78% 100%,22% 100%,0 82%); }
.sup-axis { display: grid; grid-template-rows: auto repeat(4, 1fr) auto; color: var(--color-navy); font-family: var(--font-display); text-align: right; }
.sup-axis i { border-top: 1px solid var(--color-line); }
.sup-range > p { margin: 0; padding-top: 1.1rem; border-top: 1px solid var(--color-line); color: var(--color-muted); font-size: .8rem; }
.sup-sizing__copy > p:not(.eyebrow) { max-width: 650px; margin: 1.5rem 0 2rem; color: var(--color-muted); line-height: 1.75; }
.sup-checks { display: grid; grid-template-columns: repeat(3, 1fr); margin-bottom: 2rem; border-top: 1px solid var(--color-line); border-left: 1px solid var(--color-line); }
.sup-checks article { padding: 1.5rem; border-right: 1px solid var(--color-line); border-bottom: 1px solid var(--color-line); background: rgba(255,255,255,.6); }
.sup-checks span { color: var(--color-ocean); font-family: var(--font-display); }
.sup-checks h3 { margin: 1.4rem 0 .6rem; color: var(--color-navy); font-family: var(--font-display); font-size: 1.45rem; line-height: 1; text-transform: uppercase; }
.sup-checks p { margin: 0; color: var(--color-muted); font-size: .82rem; line-height: 1.55; }
.size-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, 430px); gap: 3rem; align-items: end; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.size-heading > p { margin: 0; color: var(--color-muted); line-height: 1.75; }
.reference-table { border-top: 1px solid var(--color-line); border-left: 1px solid var(--color-line); }
.reference-table__head, .reference-table > a { display: grid; grid-template-columns: 1.05fr .85fr .6fr 1.5fr; }
.reference-table__head { color: var(--color-ocean); background: var(--color-light-blue); font-size: .66rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.reference-table__head span, .reference-table > a > span, .reference-table > a > strong { padding: 1.15rem 1.3rem; border-right: 1px solid var(--color-line); border-bottom: 1px solid var(--color-line); }
.reference-table > a { color: var(--color-muted); font-size: .84rem; line-height: 1.55; transition: background .2s; }
.reference-table > a:hover { background: var(--color-light-blue); }
.reference-table__family { display: flex; align-items: center; gap: 1rem; }
.reference-table__family i { color: var(--color-ocean); font-family: var(--font-display); font-style: normal; }
.reference-table__family strong, .reference-table > a > strong { color: var(--color-navy); }
.reference-table > a > span:last-child i { float: right; color: var(--color-ocean); font-style: normal; }
.selection-proof { padding: clamp(5rem, 8vw, 7rem) 0; color: var(--color-white); background: var(--color-ocean); }
.selection-proof__grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(500px, 1.1fr); gap: clamp(3rem, 8vw, 8rem); }
.selection-proof h2 { color: var(--color-white); }
.selection-proof .eyebrow { color: var(--color-dark-navy); }
.selection-proof ol { margin: 0; padding: 0; border-top: 1px solid rgba(255,255,255,.45); list-style: none; }
.selection-proof li { display: grid; grid-template-columns: 50px 1fr; gap: 1rem; padding: 1.25rem 0; border-bottom: 1px solid rgba(255,255,255,.45); }
.selection-proof li > span { color: var(--color-dark-navy); font-family: var(--font-display); }
.selection-proof h3 { margin: 0; font-family: var(--font-display); font-size: 1.65rem; line-height: 1; text-transform: uppercase; }
.selection-proof p { margin: .5rem 0 0; color: #e5f7fb; }
.size-evidence__grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(380px, 1.1fr); gap: clamp(3rem, 8vw, 8rem); }
.size-evidence__grid > div:last-child { padding-top: 1.6rem; border-top: 2px solid var(--color-ocean); }
.size-evidence__grid > div:last-child > p { margin: 0 0 1.2rem; color: var(--color-muted); line-height: 1.75; }
.size-evidence dl { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin: 2rem 0 0; background: var(--color-line); }
.size-evidence dl div { padding: 1.2rem; background: var(--color-light-blue); }
.size-evidence dt { color: var(--color-ocean); font-size: .64rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.size-evidence dd { margin: .4rem 0 0; color: var(--color-navy); font-size: .8rem; font-weight: 700; line-height: 1.45; }
.size-faq { background: var(--color-light-blue); }
.size-faq__list { border-top: 1px solid var(--color-line); }
.size-faq details { border-bottom: 1px solid var(--color-line); }
.size-faq summary { display: grid; grid-template-columns: 52px 1fr 24px; gap: 1rem; align-items: center; padding: 1.5rem 0; color: var(--color-navy); font-family: var(--font-display); font-size: 1.65rem; line-height: 1.05; text-transform: uppercase; cursor: pointer; list-style: none; }
.size-faq summary::-webkit-details-marker { display: none; }
.size-faq summary span { color: var(--color-ocean); font-size: 1rem; }
.size-faq summary i { position: relative; width: 18px; height: 18px; }
.size-faq summary i::before, .size-faq summary i::after { position: absolute; top: 8px; width: 18px; height: 2px; background: var(--color-ocean); content: ""; }
.size-faq summary i::after { transform: rotate(90deg); transition: transform .2s; }
.size-faq details[open] summary i::after { transform: rotate(0); }
.size-faq details > p { max-width: 900px; margin: 0 0 1.5rem 68px; color: var(--color-muted); line-height: 1.75; }
.size-contact { padding: clamp(4.5rem, 8vw, 7rem) 0; color: var(--color-white); background: var(--color-navy); }
.size-contact__grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(380px, 1.1fr); gap: clamp(3rem, 8vw, 8rem); align-items: end; }
.size-contact h2 { color: var(--color-white); }
.size-contact__grid > div:last-child > p { margin: 0 0 2rem; color: #c8dce8; font-size: 1.05rem; line-height: 1.75; }
.size-contact__grid > div:last-child > div { display: flex; flex-wrap: wrap; gap: .75rem; }
.size-button--outline { border-color: rgba(255,255,255,.42); color: var(--color-white); background: transparent; }
.size-button--outline:hover { border-color: var(--color-white); color: var(--color-dark-navy); background: var(--color-white); }
@media (max-width: 980px) {
  .size-hero__grid, .size-answer__grid, .selection-inputs__grid, .kayak-sizing__grid, .sup-sizing__grid, .size-heading, .selection-proof__grid, .size-evidence__grid, .size-contact__grid { grid-template-columns: 1fr; }
  .selection-inputs__intro { position: static; }
  .reference-table__head { display: none; }
  .reference-table > a { grid-template-columns: 1fr 1fr; }
  .reference-table > a > span, .reference-table > a > strong { min-height: 72px; }
  .selection-proof__grid { gap: 3rem; }
}
@media (max-width: 640px) {
  .size-hero { padding-top: 1rem; }
  .size-hero__copy { padding: 2.3rem 1.25rem 2.6rem; }
  .size-hero h1 { font-size: clamp(2.75rem, 11.5vw, 3.6rem); }
  .size-hero__actions, .size-contact__grid > div:last-child > div { display: grid; }
  .measurement-board { min-height: 610px; padding: 1.5rem 1.25rem; }
  .measurement-board__head { display: grid; gap: .35rem; }
  .measurement-equation { grid-template-columns: 1fr; gap: .55rem; }
  .measurement-equation > div { padding: .9rem 1rem; }
  .measurement-equation strong { display: inline; margin: 0 0 0 1rem; font-size: 1.45rem; }
  .measurement-equation small { margin-left: 2.1rem; }
  .measurement-equation > i { display: none; }
  .measurement-result strong { font-size: 1.65rem; }
  .size-answer, .selection-inputs, .sup-sizing, .catalogue-reference, .size-evidence, .size-faq { padding: 4.5rem 0; }
  .size-answer h2, .selection-inputs h2, .kayak-sizing h2, .sup-sizing h2, .size-heading h2, .selection-proof h2, .size-evidence h2, .size-contact h2 { font-size: clamp(2.45rem, 10.5vw, 3.3rem); }
  .input-ledger li { grid-template-columns: 40px 1fr; padding: 1.3rem 0; }
  .input-ledger h3 { font-size: 1.55rem; }
  .input-ledger p { grid-column: 2; }
  .input-ledger li > i { display: none; }
  .kayak-sizing { padding: 4.5rem 0; }
  .kayak-scale { padding: 1rem; }
  .scale-label { font-size: 11px; }
  .sup-range { min-height: 560px; padding: 1.5rem; }
  .sup-range__visual { height: 400px; }
  .sup-paddle i { height: 265px; }
  .sup-paddle span { top: 250px; }
  .sup-checks { grid-template-columns: 1fr; }
  .reference-table > a { grid-template-columns: 1fr; }
  .reference-table > a > span, .reference-table > a > strong { min-height: 0; }
  .selection-proof { padding: 4.5rem 0; }
  .size-evidence dl { grid-template-columns: 1fr; }
  .size-faq summary { grid-template-columns: 38px 1fr 20px; font-size: 1.4rem; }
  .size-faq details > p { margin-left: 54px; }
  .size-contact { padding: 4.5rem 0; }
}