:root {
    color-scheme: light;
    --dc-bg: #e8f0f6;
    --dc-surface: #1d3a5a;
    --dc-primary: #0b6658;
    --dc-accent: #245a92;
    --dc-text: #17324d;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

html { scroll-behavior: smooth; }

* { box-sizing: border-box; }

.skip-link { position: fixed; top: 10px; left: 10px; z-index: 1000; padding: 11px 14px; border-radius: 8px; color: #fff; background: var(--dc-primary, #0b6658); font-weight: 800; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }

body {
    min-height: 100vh;
    margin: 0;
    color: var(--dc-text);
    background:
        radial-gradient(circle at 12% 8%, color-mix(in srgb, var(--dc-accent) 7%, transparent), transparent 34rem),
        radial-gradient(circle at 92% 45%, color-mix(in srgb, var(--dc-primary) 5%, transparent), transparent 30rem),
        var(--dc-bg);
}

body::before {
    position: fixed;
    inset: 0;
    z-index: -1;
    content: "";
    opacity: .05;
    background-image: linear-gradient(rgba(23,50,77,.18) 1px, transparent 1px), linear-gradient(90deg, rgba(23,50,77,.18) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: linear-gradient(to bottom, black, transparent 85%);
}

.site-header, main, footer {
    width: min(1180px, calc(100% - 40px));
    margin-inline: auto;
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-block: 26px;
}

.brand {
    display: inline-flex;
    gap: 10px;
    align-items: center;
    color: inherit;
    font-size: 1.05rem;
    font-weight: 750;
    letter-spacing: -.02em;
    text-decoration: none;
    min-height: 44px;
}

.brand-mark {
    width: 13px;
    height: 13px;
    border-radius: 4px;
    background: linear-gradient(135deg, var(--dc-primary), var(--dc-accent));
    box-shadow: 0 0 24px color-mix(in srgb, var(--dc-primary) 70%, transparent);
    transform: rotate(12deg);
}

.status-pill, .commercial-label {
    padding: 7px 11px;
    border: 1px solid rgba(255,255,255,.13);
    border-radius: 999px;
    background: rgba(255,255,255,.04);
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
}
.status-pill { color: rgba(245,248,255,.92); }
.commercial-label { color: rgba(245,248,255,.72); }

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(360px, .72fr);
    gap: clamp(38px, 6vw, 80px);
    align-items: center;
    min-height: 660px;
    padding-block: 64px 90px;
}

.eyebrow, .card-kicker {
    margin: 0 0 16px;
    font-size: .76rem;
    font-weight: 800;
    letter-spacing: .16em;
    text-transform: uppercase;
}
.eyebrow { color: var(--dc-text); }
.card-kicker { color: var(--dc-primary); }

h1 {
    max-width: 680px;
    margin: 0;
    font-size: clamp(3.6rem, 6.2vw, 5.8rem);
    line-height: .94;
    letter-spacing: -.06em;
    text-wrap: balance;
}

.lead {
    max-width: 570px;
    margin: 26px 0 0;
    color: rgba(245,248,255,.92);
    font-size: clamp(1.05rem, 2vw, 1.3rem);
    line-height: 1.6;
}

.asset-stage {
    --parallax-x: 0px;
    --parallax-y: 0px;
    --parallax-rx: 0deg;
    --parallax-ry: 0deg;
    position: relative;
    display: grid;
    width: min(500px, 98%);
    min-height: 270px;
    margin: 32px 0 -10px;
    place-items: center;
    isolation: isolate;
    perspective: 900px;
}

.asset-stage [data-parallax-main] {
    transform: translate3d(var(--parallax-x), var(--parallax-y), 0) rotateX(var(--parallax-rx)) rotateY(var(--parallax-ry)) scale(var(--parallax-scale, 1));
    transform-style: preserve-3d;
}

.asset-stage [data-parallax-depth] {
    --depth-x: 0px;
    --depth-y: 0px;
}

.asset-stage.is-parallax-active [data-parallax-main],
.asset-stage.is-parallax-active [data-parallax-depth] {
    will-change: transform;
}

.asset-halo {
    position: absolute;
    width: 68%;
    aspect-ratio: 1;
    border-radius: 50%;
    background: radial-gradient(circle, color-mix(in srgb, var(--dc-accent) 18%, transparent), transparent 68%);
    filter: blur(16px);
    transform: translate3d(var(--depth-x), var(--depth-y), 0);
}

.asset-fallback {
    --parallax-scale: 1;
    position: relative;
    width: 330px;
    height: 205px;
}

.asset-picture {
    position: absolute;
    inset: -18px -42px -24px -26px;
    z-index: 3;
    display: grid;
    place-items: center;
    pointer-events: none;
}

.asset-picture img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    color: transparent;
    font-size: 0;
    filter: drop-shadow(18px 28px 24px rgba(0,0,0,.25));
}

.asset-calculator {
    position: absolute;
    inset: 9px 76px 8px 62px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    padding: 25px;
    border: 1px solid rgba(255,255,255,.24);
    border-radius: 31px;
    background: linear-gradient(145deg, rgba(137,179,255,.35), rgba(19,43,72,.76) 48%, rgba(7,20,38,.94));
    box-shadow: 30px 38px 65px rgba(0,0,0,.4), inset 0 1px rgba(255,255,255,.34), inset -16px -18px 34px rgba(0,0,0,.22);
    transform: rotateY(-19deg) rotateX(9deg) rotateZ(-7deg);
}

.asset-screen {
    grid-column: 1 / -1;
    display: flex;
    align-items: end;
    justify-content: end;
    min-height: 48px;
    padding: 10px 13px;
    border: 1px solid rgba(255,255,255,.13);
    border-radius: 12px;
    color: var(--dc-primary);
    background: rgba(1,11,23,.72);
    font-size: 1.15rem;
    font-weight: 850;
    letter-spacing: .06em;
}

.asset-key { min-height: 20px; border-radius: 7px; background: rgba(255,255,255,.2); box-shadow: inset 0 1px rgba(255,255,255,.22); }
.asset-key-wide { background: rgba(255,255,255,.34); }
.asset-key-accent { background: linear-gradient(135deg, var(--dc-primary), #b7f7e1); }

.asset-token, .asset-coin {
    position: absolute;
    z-index: 2;
    display: grid;
    place-items: center;
    border: 1px solid rgba(255,255,255,.22);
    box-shadow: 0 18px 35px rgba(0,0,0,.32), inset 0 1px rgba(255,255,255,.3);
    font-weight: 900;
}

.asset-token { width: 64px; height: 48px; border-radius: 16px; background: linear-gradient(145deg, rgba(255,255,255,.24), rgba(255,255,255,.06)); backdrop-filter: blur(10px); }
.asset-token-chf { top: 17px; left: 4px; color: var(--dc-primary); transform: rotate(-10deg); }
.asset-token-chf { transform: translate3d(var(--depth-x), var(--depth-y), 0) rotate(-10deg); }
.asset-token-percent { right: 1px; bottom: 30px; color: #dbe7ff; font-size: 1.4rem; transform: translate3d(var(--depth-x), var(--depth-y), 0) rotate(9deg); }
.asset-coin { width: 42px; aspect-ratio: 1; border-radius: 50%; color: #061426; background: linear-gradient(145deg, #ffe6a7, #c89e44); }
.asset-coin-one { right: 23px; top: 9px; transform: translate3d(var(--depth-x), var(--depth-y), 0) rotateY(28deg) rotateZ(12deg); }
.asset-coin-two { left: 30px; bottom: 11px; width: 33px; font-size: .8rem; transform: translate3d(var(--depth-x), var(--depth-y), 0) rotateY(-25deg); }

.calculator-card {
    padding: clamp(24px, 3vw, 34px);
    border: 1px solid rgba(255,255,255,.16);
    border-radius: 26px;
    background: linear-gradient(145deg, rgba(255,255,255,.17), rgba(255,255,255,.065));
    box-shadow: 0 30px 80px rgba(2,12,25,.34), inset 0 1px rgba(255,255,255,.22);
    backdrop-filter: blur(22px);
}

.calculator-card h2, .commercial-card h2 { margin: 0; letter-spacing: -.03em; }
.calculator-card h2 { font-size: clamp(1.65rem, 2.6vw, 2.15rem); }
.calculator-form { display: grid; gap: 17px; margin-top: 24px; }
.field { display: grid; gap: 9px; }
.field label { color: rgba(245,248,255,.72); font-size: .85rem; font-weight: 650; }

.input-shell {
    display: flex;
    align-items: center;
    padding-inline: 17px;
    border: 1px solid rgba(255,255,255,.13);
    border-radius: 14px;
    background: rgba(3,12,24,.5);
}

.input-shell:focus-within { border-color: var(--dc-primary); box-shadow: 0 0 0 3px color-mix(in srgb, var(--dc-primary) 16%, transparent); }
.input-shell span { color: rgba(245,248,255,.76); font-size: .78rem; font-weight: 700; }
.input-shell input { min-width: 0; width: 100%; padding: 14px 10px; border: 0; outline: 0; color: inherit; background: transparent; font: inherit; font-size: 1.3rem; font-weight: 800; letter-spacing: -.02em; }
.field-help { color: rgba(245,248,255,.72); font-size: .75rem; line-height: 1.45; }

button {
    display: flex;
    justify-content: space-between;
    padding: 16px 19px;
    border: 0;
    border-radius: 14px;
    color: #04131f;
    background: linear-gradient(110deg, var(--dc-primary), #b7f7e1);
    box-shadow: 0 14px 35px color-mix(in srgb, var(--dc-primary) 20%, transparent);
    cursor: pointer;
    font: inherit;
    font-weight: 850;
}

button:hover { filter: brightness(1.06); transform: translateY(-1px); }
button:focus-visible, a:focus-visible { outline: 3px solid var(--dc-accent); outline-offset: 4px; }

.result {
    display: grid;
    gap: 5px;
    margin-top: 18px;
    padding: 16px 18px;
    border-radius: 17px;
    background: rgba(2,11,22,.42);
}

.result span, .result small, .disclaimer { color: rgba(245,248,255,.76); }
.result strong { font-size: 1.9rem; letter-spacing: -.04em; }
.result-ready { border: 1px solid color-mix(in srgb, var(--dc-primary) 24%, transparent); background: color-mix(in srgb, var(--dc-primary) 6%, rgba(2,11,22,.58)); }
.result-ready strong { color: var(--dc-primary); font-size: 2.15rem; }
.result .error { margin: 0; color: #ffb6b6; }
.term-alternatives { margin-top: 16px; padding: 16px; border: 1px solid rgba(255,255,255,.13); border-radius: 14px; background: rgba(2,11,22,.3); }
.term-alternatives h3 { margin: 0; font-size: 1rem; }
.term-alternatives > p { margin: 7px 0 12px; color: rgba(245,248,255,.76); font-size: .78rem; line-height: 1.45; }
.term-alternatives-scroll { overflow-x: auto; border-radius: 9px; }
.term-alternatives-scroll:focus-visible { outline: 3px solid var(--dc-accent); outline-offset: 3px; }
.term-alternatives table { width: 100%; min-width: 620px; border-collapse: collapse; text-align: left; font-size: .77rem; }
.term-alternatives th, .term-alternatives td { padding: 10px 8px; border-top: 1px solid rgba(255,255,255,.1); white-space: nowrap; }
.term-alternatives thead th { border-top: 0; color: rgba(245,248,255,.76); font-size: .7rem; font-weight: 700; }
.term-alternatives tbody th { font-weight: 750; }
.legal-credit-notice {
    display: grid;
    grid-template-columns: 20px minmax(0, 1fr);
    gap: 10px;
    align-items: start;
    margin: 13px 0 0;
    padding: 11px 12px;
    border: 1px solid rgba(184,208,255,.16);
    border-radius: 12px;
    color: rgba(245,248,255,.78);
    background: rgba(121,167,255,.055);
    font-size: .82rem;
    line-height: 1.45;
}
.legal-credit-notice svg { color: #b8d0ff; fill: rgba(121,167,255,.08); stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.6; }
.disclaimer { margin: 16px 0 0; font-size: .7rem; line-height: 1.5; }
.result-guide-link { display: inline-flex; min-height: 44px; margin-top: 10px; align-items: center; color: var(--dc-primary); font-size: .82rem; font-weight: 750; text-underline-offset: 3px; }

.direct-answer-section { display: grid; gap: 9px; padding-block: clamp(28px, 4vw, 42px); }
.direct-answer-section .section-kicker { margin-bottom: 0; }
.direct-answer-section h2 { max-width: 760px; margin: 0; font-size: clamp(1.45rem, 3vw, 2.05rem); letter-spacing: -.035em; }
.direct-answer { max-width: 900px; margin: 0; padding-left: 16px; border-left: 2px solid var(--dc-primary); color: rgba(245,248,255,.92); font-size: clamp(.95rem, 1.6vw, 1.08rem); line-height: 1.55; }
.method-grid, .trust-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(18px, 4vw, 38px); }
.method-card { padding: clamp(18px, 3vw, 26px); border: 1px solid rgba(255,255,255,.09); border-radius: 20px; background: rgba(255,255,255,.025); }
.trust-grid > div { padding: 4px 0; }
.method-facts, .trust-metadata { display: grid; gap: 0; margin: 0; }
.method-facts div, .trust-metadata div { display: grid; grid-template-columns: minmax(130px, .7fr) 1fr; gap: 14px; padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,.07); }
.method-facts div:last-child, .trust-metadata div:last-child { border-bottom: 0; }
.method-facts dt { color: rgba(245,248,255,.76); font-size: .82rem; }
.trust-metadata dt { color: rgba(245,248,255,.92); font-size: .82rem; }
.method-facts dd, .trust-metadata dd { margin: 0; font-size: .88rem; font-weight: 700; }
.method-copy { color: rgba(245,248,255,.76); font-size: .86rem; line-height: 1.55; }
.method-copy p { margin: 0 0 14px; }
.method-copy p:last-child { margin-bottom: 0; }
.examples-section { margin-block: clamp(18px, 3vw, 34px); }
.table-scroll { overflow-x: auto; border: 1px solid rgba(255,255,255,.08); border-radius: 16px; background: rgba(255,255,255,.018); }
.examples-section table { width: 100%; min-width: 760px; border-collapse: collapse; text-align: left; }
.examples-section th, .examples-section td { padding: 12px 15px; border-bottom: 1px solid rgba(255,255,255,.07); white-space: nowrap; }
.examples-section th { color: rgba(245,248,255,.76); background: rgba(255,255,255,.035); font-size: .76rem; letter-spacing: .04em; text-transform: uppercase; }
.examples-section tbody tr:last-child td { border-bottom: 0; }
.examples-section td:nth-child(3) { color: var(--dc-text); font-weight: 800; }
.table-note { margin: 12px 0 0; color: rgba(245,248,255,.92); font-size: .78rem; line-height: 1.5; }
.knowledge-accordion { display: grid; gap: 6px; }
.knowledge-accordion details, .trust-disclosure { border-bottom: 1px solid rgba(255,255,255,.09); }
.knowledge-accordion summary, .trust-disclosure > summary { position: relative; padding: 15px 42px 15px 2px; cursor: pointer; color: rgba(245,248,255,.88); font-size: .94rem; font-weight: 720; list-style: none; }
.knowledge-accordion summary::-webkit-details-marker, .trust-disclosure > summary::-webkit-details-marker { display: none; }
.knowledge-accordion summary::after, .trust-disclosure > summary::after { position: absolute; top: 50%; right: 6px; content: "+"; color: var(--dc-primary); font-size: 1.15rem; transform: translateY(-50%); }
.knowledge-accordion details[open] summary::after, .trust-disclosure[open] > summary::after { content: "–"; }
.accordion-copy { max-width: 850px; padding: 0 36px 15px 2px; }
.accordion-copy p { margin: 0 0 7px; color: rgba(245,248,255,.92); font-size: .84rem; line-height: 1.5; }
.accordion-copy p:last-child { margin-bottom: 0; }
.accordion-copy strong { color: rgba(245,248,255,.88); }
.trust-grid h3 { margin: 0 0 12px; font-size: 1rem; }
.trust-grid p, .source-list { color: rgba(245,248,255,.92); font-size: .86rem; line-height: 1.58; }
.source-list { padding-left: 20px; }
.trust-disclosure > summary { border-top: 1px solid rgba(255,255,255,.07); }
.trust-disclosure .trust-grid { padding: 14px 2px 6px; }
.publication-status { display: grid; gap: 5px; margin-top: 14px; padding: 14px 16px; border: 1px solid rgba(255,210,139,.24); border-radius: 14px; color: rgba(245,248,255,.78); background: rgba(255,210,139,.045); font-size: .82rem; line-height: 1.5; }
.publication-status strong { color: #ffd28b; }

.content-section { padding-block: clamp(44px, 6vw, 68px); border-top: 1px solid rgba(255,255,255,.065); }
.section-heading { display: flex; gap: 20px; align-items: end; justify-content: space-between; margin-bottom: 22px; }
.section-kicker { margin: 0 0 8px; color: var(--dc-text); font-size: .72rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.section-heading h2 { margin: 0; font-size: clamp(1.55rem, 3vw, 2.3rem); letter-spacing: -.04em; }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 0; padding: 0; list-style: none; }
.steps-grid li { display: grid; grid-template-columns: 46px 1fr; gap: 12px; min-height: auto; padding: 14px 8px; border-top: 1px solid rgba(255,255,255,.08); line-height: 1.4; }
.step-top { display: grid; gap: 5px; align-content: start; justify-items: start; }
.step-icon { display: grid; width: 38px; height: 38px; border-radius: 11px; color: var(--dc-primary); background: rgba(99,230,190,.06); place-items: center; }
.step-icon svg { fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.7; }
.step-number { color: var(--dc-text); font-size: .74rem; letter-spacing: .12em; }
.step-copy { display: grid; gap: 4px; align-self: center; }
.step-copy strong { font-size: 1rem; font-weight: 760; }
.step-copy small { color: rgba(245,248,255,.92); font-size: .78rem; font-weight: 500; }
.trust-points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 18px 0 0; padding: 0; list-style: none; }
.trust-points li { display: flex; gap: 10px; align-items: center; padding: 11px 13px; border: 1px solid rgba(255,255,255,.07); border-radius: 12px; color: rgba(245,248,255,.84); background: rgba(255,255,255,.025); font-size: .84rem; font-weight: 620; }
.trust-points li span { display: grid; flex: 0 0 20px; height: 20px; border-radius: 50%; color: #052018; background: var(--dc-primary); font-size: .7rem; font-weight: 900; place-items: center; }
.faq-section { display: grid; grid-template-columns: minmax(220px, .55fr) minmax(0, 1fr); gap: clamp(34px, 8vw, 100px); align-items: start; }
.faq-section .section-heading { display: block; margin: 0; }
.faq-content { display: grid; gap: 16px; }
.faq-list { display: grid; gap: 10px; }
.faq-list details { border: 1px solid rgba(255,255,255,.1); border-radius: 16px; background: rgba(255,255,255,.03); }
.faq-list summary { position: relative; padding: 18px 50px 18px 20px; cursor: pointer; font-weight: 720; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { position: absolute; top: 50%; right: 20px; content: "+"; color: var(--dc-primary); font-size: 1.25rem; transform: translateY(-50%); }
.faq-list details[open] summary::after { content: "–"; }
.faq-list details p { margin: 0; padding: 0 20px 18px; color: rgba(245,248,255,.76); font-size: .9rem; line-height: 1.55; }
.faq-calculator-link { display: inline-flex; min-height: 48px; padding: 13px 17px; justify-self: start; gap: 20px; align-items: center; border: 1px solid rgba(99,230,190,.24); border-radius: 13px; color: #061b16; background: linear-gradient(110deg, var(--dc-primary), #b7f7e1); box-shadow: 0 10px 26px rgba(0,0,0,.16); font-size: .86rem; font-weight: 820; text-decoration: none; }
.faq-calculator-link:hover { filter: brightness(1.04); }
#calculator-title { scroll-margin-top: 24px; }
.topic-links { display: flex; flex-wrap: wrap; gap: 9px; padding: 24px 0 64px; border-top: 1px solid rgba(255,255,255,.08); }
.topic-links a { display: inline-flex; min-height: 42px; padding: 10px 15px; align-items: center; border: 1px solid rgba(23,50,77,.24); border-radius: 999px; color: #17324d; background: rgba(255,255,255,.45); font-size: .8rem; font-weight: 720; text-decoration: none; }
.topic-links a:hover { border-color: #0b6658; color: #17324d; background: rgba(255,255,255,.72); }

.commercial-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; padding-bottom: 90px; }
.commercial-after-answer { padding: 10px 0 44px; }
.advertising-zone { padding: 12px 0 46px; }
.advertising-reserved-space { display: grid; min-height: 300px; padding: 26px; align-content: stretch; border: 1px solid rgba(255,210,139,.22); border-radius: 18px; color: rgba(245,248,255,.72); background: rgba(255,255,255,.018); }
.advertising-reserved-space .advertising-label { position: absolute; align-self: start; justify-self: start; }
.advertising-reserved-space { position: relative; }
.advertising-creative-container { min-width: 0; min-height: 100%; }
.commercial-card { min-height: 118px; padding: 28px; border: 1px solid rgba(255,255,255,.1); border-radius: 22px; background: rgba(255,255,255,.035); }
.commercial-card h2 { margin-top: 24px; font-size: 1.25rem; }
.commercial-card p { color: rgba(245,248,255,.76); line-height: 1.6; }
.affiliate-card { border-color: color-mix(in srgb, var(--dc-accent) 28%, transparent); background: linear-gradient(135deg, color-mix(in srgb, var(--dc-accent) 8%, transparent), rgba(255,255,255,.025)); }
.affiliate-label { color: #b8d0ff; border-color: rgba(121,167,255,.28); background: rgba(121,167,255,.09); }
.advertising-card { border: 1px dashed rgba(255,210,139,.35); background: repeating-linear-gradient(135deg, rgba(255,210,139,.025), rgba(255,210,139,.025) 8px, transparent 8px, transparent 16px); }
.advertising-label { display: inline-block; border-color: rgba(255,210,139,.38); color: #ffd28b; background: rgba(255,210,139,.08); }
.placeholder-state { color: rgba(245,248,255,.72); font-size: .78rem; font-weight: 700; }

.support-links { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; padding: 24px 0 56px; border-top: 1px solid rgba(255,255,255,.065); }
.support-links a { display: flex; min-height: 52px; padding: 13px 15px; align-items: center; border-bottom: 1px solid rgba(184,208,255,.18); color: rgba(245,248,255,.92); font-size: .86rem; font-weight: 700; text-decoration: none; }
.support-links a:hover { border-color: var(--dc-primary); color: var(--dc-text); }
.support-main { max-width: 940px; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 9px; align-items: center; padding-top: 26px; color: rgba(245,248,255,.92); font-size: .78rem; }
.breadcrumbs a, .support-back a { display: inline-flex; min-height: 44px; align-items: center; color: rgba(245,248,255,.92); }
.support-hero { padding: clamp(54px, 9vw, 100px) 0 clamp(38px, 6vw, 64px); }
.support-hero h1 { max-width: 820px; font-size: clamp(2.6rem, 7vw, 5rem); }
.support-section { padding-block: clamp(36px, 6vw, 64px); border-top: 1px solid rgba(255,255,255,.065); }
.support-section > h2 { margin: 0 0 22px; font-size: clamp(1.5rem, 3vw, 2.2rem); letter-spacing: -.035em; }
.support-source { display: grid; gap: 7px; margin-top: 28px; padding: 16px 18px; border-left: 2px solid var(--dc-primary); color: rgba(245,248,255,.92); font-size: .84rem; line-height: 1.5; }
.support-source strong { color: rgba(245,248,255,.9); }
.support-back { padding: 34px 0 64px; }

footer { display: flex; justify-content: space-between; gap: 18px; align-items: center; padding-block: 28px 38px; border-top: 1px solid rgba(255,255,255,.08); color: rgba(245,248,255,.92); font-size: .78rem; }
footer a { display: inline-flex; min-height: 44px; align-items: center; padding-inline: 4px; color: rgba(245,248,255,.92); }
.editorial-table-scroll { max-width: 100%; overflow-x: auto; border: 1px solid rgba(255,255,255,.12); border-radius: 14px; }
.editorial-table-scroll table { width: 100%; min-width: 620px; border-collapse: collapse; }
.editorial-table-scroll th, .editorial-table-scroll td { padding: 12px 14px; border-bottom: 1px solid rgba(255,255,255,.09); text-align: left; }
.error-main { display: grid; min-height: 52vh; align-content: center; justify-items: start; padding-block: 48px 80px; }
.error-main h1 { max-width: 12ch; font-size: clamp(2.6rem, 7vw, 5rem); }
.error-main > p:not(.eyebrow) { color: rgba(245,248,255,.92); font-size: 1.05rem; line-height: 1.6; }
.error-actions a { display: inline-flex; min-height: 44px; margin-top: 12px; align-items: center; color: #fff; background: var(--dc-primary); padding: 10px 16px; border-radius: 12px; font-weight: 800; text-decoration: none; }

/* Isolated dark components retain the established dark-card palette. */
.calculator-card,
.method-card,
.table-scroll,
.knowledge-accordion details,
.trust-disclosure,
.trust-points li,
.faq-list details,
.commercial-card,
.publication-status,
.editorial-table-scroll {
    --dc-primary: #72e8c5;
    --dc-accent: #91baff;
    --dc-text: #f8fbff;
    color: #f8fbff;
    background-color: #1d3a5a;
}

/* Direct body copy uses the dark light-theme text palette. */
.status-pill,
.lead,
.direct-answer,
.trust-metadata dt,
.table-note,
.trust-grid p,
.source-list,
.step-copy small,
.support-links a,
.breadcrumbs,
.breadcrumbs a,
.support-back a,
.support-source,
.support-source strong,
footer,
footer a,
.error-main > p:not(.eyebrow) { color: rgba(23,50,77,.88); }

.accordion-copy p,
.accordion-copy strong,
.trust-disclosure .trust-grid p,
.trust-disclosure .source-list,
.method-card .trust-metadata dt { color: rgba(245,248,255,.88); }

.status-pill { border-color: rgba(23,50,77,.2); background: rgba(255,255,255,.45); }
.content-section,
.support-section,
.topic-links,
.support-links,
footer { border-color: rgba(23,50,77,.14); }
.faq-calculator-link { color: #fff; border-color: #0b6658; background: #0b6658; }

/* The empty advertising reserve stays neutral and does not imitate a creative. */
.advertising-reserved-space {
    color: #17324d;
    border-color: #9aabba;
    background: rgba(255,255,255,.42);
    box-shadow: none;
}
.advertising-reserved-space .advertising-label {
    color: #17324d;
    border-color: #8a9cab;
    background: rgba(255,255,255,.72);
}

@media (max-width: 820px) {
    .hero { grid-template-columns: 1fr; gap: 38px; min-height: auto; padding-top: 48px; }
    .hero-copy { display: grid; }
    .asset-stage { width: min(500px, 100%); margin: 22px 0 -8px; justify-self: center; }
    .calculator-card { width: 100%; }
    .steps-grid, .trust-points { grid-template-columns: 1fr; }
    .steps-grid li { min-height: auto; grid-template-columns: 54px 1fr; gap: 10px; padding: 16px; }
    .step-top { display: grid; gap: 8px; justify-content: start; }
    .faq-section { grid-template-columns: 1fr; gap: 24px; }
    .commercial-grid { grid-template-columns: 1fr; }
    .method-grid, .trust-grid { grid-template-columns: 1fr; }
    .support-links { grid-template-columns: 1fr; gap: 3px; }
}

@media (max-width: 520px) {
    .site-header, main, footer { width: min(100% - 28px, 1180px); }
    .status-pill { display: none; }
    .hero { padding-block: 36px 64px; }
    h1 { max-width: 9ch; font-size: clamp(3rem, 15vw, 4.2rem); line-height: .96; }
    .lead { margin-top: 20px; font-size: 1.02rem; }
    .asset-stage { width: calc(100% + 20px); min-height: 220px; margin: 12px -10px -8px; overflow: hidden; }
    .asset-fallback { --parallax-scale: .78; }
    .asset-picture { inset: -4px -20px -12px; }
    .asset-picture img { filter: drop-shadow(10px 18px 16px rgba(0,0,0,.22)); }
    .calculator-card { padding: 22px 18px; border-radius: 22px; }
    .input-shell { padding-inline: 13px; }
    .input-shell input { min-height: 52px; font-size: 1.22rem; }
    button { min-height: 54px; align-items: center; }
    .result { scroll-margin-top: 12px; }
    .term-alternatives { padding: 14px 12px; }
    .legal-credit-notice { padding: 12px; font-size: .84rem; }
    .content-section { padding-block: 38px; }
    .direct-answer-section { padding-block: 24px 34px; }
    .advertising-zone { padding: 8px 0 34px; }
    .advertising-reserved-space { min-height: 250px; padding: 20px 16px; border-radius: 14px; }
    .section-heading { margin-bottom: 18px; }
    .trust-points { gap: 10px; }
    .faq-list summary { padding: 16px 46px 16px 16px; font-size: .92rem; }
    .faq-list details p { padding: 0 16px 16px; font-size: .84rem; }
    .topic-links { gap: 7px; padding: 20px 0 48px; }
    .topic-links a { min-height: 44px; padding: 10px 13px; font-size: .76rem; }
    .faq-calculator-link { width: 100%; min-height: 50px; justify-content: space-between; }
    .direct-answer { padding-left: 14px; }
    .method-facts div, .trust-metadata div { grid-template-columns: 1fr; gap: 4px; }
    .examples-section th, .examples-section td { padding: 13px 14px; }
    .support-hero { padding-block: 38px 32px; }
    footer { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
    .asset-stage {
        --parallax-x: 0px !important;
        --parallax-y: 0px !important;
        --parallax-rx: 0deg !important;
        --parallax-ry: 0deg !important;
    }
    .asset-stage [data-parallax-main],
    .asset-stage [data-parallax-depth] {
        transition: none !important;
        will-change: auto;
    }
    .asset-stage [data-parallax-depth] {
        --depth-x: 0px !important;
        --depth-y: 0px !important;
    }
}