:root {
    --elva-ink: #17343a;
    --elva-muted: #647478;
    --elva-paper: #fffdf7;
    --elva-marble: #f4efe4;
    --elva-aegean: #176b87;
    --elva-aegean-deep: #0f4f66;
    --elva-olive: #73834d;
    --elva-terracotta: #c46d4d;
    --elva-gold: #d1ad61;
    --elva-line: rgba(23, 52, 58, 0.14);
    --elva-shadow: 0 18px 50px rgba(23, 52, 58, 0.12);
    --elva-radius: 22px;
    --elva-heading: "GFS Didot", "GFS Neohellenic", "Noto Serif Display", serif;
    --elva-body: "Aptos", "Segoe UI", Arial, sans-serif;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--elva-ink);
    background:
        radial-gradient(circle at 10% 0%, rgba(209, 173, 97, 0.12), transparent 28rem),
        var(--elva-paper);
    font-family: var(--elva-body);
    font-size: 17px;
    line-height: 1.72;
    -webkit-font-smoothing: antialiased;
}

img {
    display: block;
    max-width: 100%;
    height: auto;
}

a {
    color: var(--elva-aegean-deep);
    text-decoration-thickness: 1px;
    text-underline-offset: 0.2em;
}

a:hover {
    color: var(--elva-terracotta);
}

h1,
h2,
h3 {
    margin-top: 0;
    color: var(--elva-ink);
    font-family: var(--elva-heading);
    font-weight: 600;
    line-height: 1.12;
    letter-spacing: 0.01em;
}

h1 {
    font-size: clamp(2.4rem, 5vw, 4.8rem);
}

h2 {
    font-size: clamp(1.75rem, 3vw, 2.6rem);
}

h3 {
    font-size: clamp(1.25rem, 2vw, 1.55rem);
}

p,
ul,
ol,
dl {
    margin-top: 0;
}

.elva-shell {
    width: min(1180px, calc(100% - 40px));
    margin-inline: auto;
}

.elva-skip {
    position: fixed;
    z-index: 1000;
    top: 10px;
    left: 10px;
    padding: 10px 16px;
    color: #fff;
    background: var(--elva-ink);
    border-radius: 10px;
    transform: translateY(-150%);
}

.elva-skip:focus {
    transform: translateY(0);
}

.elva-header {
    position: sticky;
    z-index: 50;
    top: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 253, 247, 0.92);
    backdrop-filter: blur(14px);
}

.elva-header__grid {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 78px;
    gap: 28px;
}

.elva-brand {
    position: relative;
    color: var(--elva-aegean-deep);
    font-family: var(--elva-heading);
    font-size: clamp(1.65rem, 3vw, 2.25rem);
    font-weight: 700;
    letter-spacing: 0.025em;
    text-decoration: none;
}

.elva-brand::after {
    content: "";
    position: absolute;
    right: -18px;
    bottom: 5px;
    width: 10px;
    height: 10px;
    border: 2px solid var(--elva-gold);
    border-radius: 50% 0 50% 50%;
    transform: rotate(-35deg);
}

.elva-nav {
    display: flex;
    align-items: center;
    gap: 28px;
}

.elva-nav a {
    position: relative;
    color: var(--elva-ink);
    font-weight: 700;
    text-decoration: none;
}

.elva-nav a::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: -7px;
    left: 0;
    height: 2px;
    background: var(--elva-terracotta);
    transform: scaleX(0);
    transition: transform 0.2s ease;
}

.elva-nav a:hover::after,
.elva-nav a:focus-visible::after {
    transform: scaleX(1);
}

.elva-hero {
    position: relative;
    overflow: hidden;
    padding: clamp(80px, 11vw, 150px) 0;
    color: #fff;
    background:
        linear-gradient(125deg, rgba(15, 79, 102, 0.98), rgba(23, 107, 135, 0.88)),
        var(--elva-aegean);
}

.elva-hero::before,
.elva-hero::after {
    content: "";
    position: absolute;
    border: 1px solid rgba(255, 255, 255, 0.19);
    border-radius: 50%;
}

.elva-hero::before {
    width: 430px;
    height: 430px;
    top: -190px;
    right: -80px;
}

.elva-hero::after {
    width: 250px;
    height: 250px;
    bottom: -140px;
    left: 10%;
}

.elva-hero--market .elva-shell {
    position: relative;
    z-index: 1;
    max-width: 900px;
    text-align: center;
}

.elva-hero h1 {
    margin-bottom: 24px;
    color: #fff;
    text-wrap: balance;
}

.elva-hero p {
    max-width: 800px;
    margin: 0 auto;
    color: rgba(255, 255, 255, 0.9);
    font-size: clamp(1.05rem, 2vw, 1.3rem);
}

.elva-shop {
    padding-block: clamp(64px, 9vw, 110px);
}

.elva-shop__intro {
    display: flex;
    align-items: end;
    justify-content: space-between;
    margin-bottom: 32px;
    border-bottom: 1px solid var(--elva-line);
}

.elva-shop__intro h2 {
    margin-bottom: 18px;
}

.elva-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
}

.elva-card {
    display: flex;
    min-width: 0;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--elva-line);
    border-radius: var(--elva-radius);
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 12px 34px rgba(23, 52, 58, 0.07);
    transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.elva-card:hover {
    border-color: rgba(23, 107, 135, 0.32);
    box-shadow: var(--elva-shadow);
    transform: translateY(-5px);
}

.elva-card__media {
    display: grid;
    min-height: 240px;
    place-items: center;
    padding: 24px;
    background:
        linear-gradient(145deg, rgba(244, 239, 228, 0.9), rgba(255, 255, 255, 0.95));
}

.elva-card__media img {
    width: 100%;
    max-width: 230px;
    aspect-ratio: 1;
    object-fit: contain;
    transition: transform 0.25s ease;
}

.elva-card:hover .elva-card__media img {
    transform: scale(1.035);
}

.elva-card__body {
    display: flex;
    flex: 1;
    flex-direction: column;
    align-items: flex-start;
    padding: 22px;
}

.elva-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 30px;
    padding: 5px 12px;
    color: #fff;
    background: var(--elva-terracotta);
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.elva-card__title {
    width: 100%;
    margin: 15px 0 20px;
    font-size: 1.45rem;
}

.elva-card__title a,
.elva-related-card__title a {
    color: inherit;
    text-decoration: none;
}

.elva-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    margin-top: auto;
    padding: 12px 20px;
    color: #fff;
    border: 1px solid transparent;
    border-radius: 999px;
    background: var(--elva-aegean-deep);
    box-shadow: 0 8px 20px rgba(15, 79, 102, 0.18);
    font-size: 0.98rem;
    font-weight: 800;
    line-height: 1.25;
    text-align: center;
    text-decoration: none;
    transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.elva-button:hover,
.elva-button:focus-visible {
    color: #fff;
    background: var(--elva-terracotta);
    box-shadow: 0 10px 24px rgba(196, 109, 77, 0.24);
    transform: translateY(-2px);
}

.elva-button--large {
    min-height: 56px;
    padding-inline: 28px;
    font-size: 1.05rem;
}

.elva-product-hero {
    padding: 34px 0 64px;
    border-bottom: 1px solid var(--elva-line);
    background:
        linear-gradient(160deg, rgba(244, 239, 228, 0.95), rgba(255, 253, 247, 0.98));
}

.elva-product-hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: clamp(36px, 7vw, 86px);
    align-items: center;
}

.elva-crumbs {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 9px;
    color: var(--elva-muted);
    font-size: 0.92rem;
}

.elva-crumbs a {
    color: var(--elva-aegean-deep);
    font-weight: 700;
    text-decoration: none;
}

.elva-product-media {
    position: relative;
    display: grid;
    min-height: 480px;
    place-items: center;
    padding: clamp(24px, 4vw, 48px);
    border: 1px solid rgba(23, 52, 58, 0.1);
    border-radius: 34px 34px 90px 34px;
    background: #fff;
    box-shadow: var(--elva-shadow);
}

.elva-product-media > .elva-badge {
    position: absolute;
    z-index: 1;
    top: 24px;
    left: 24px;
}

.elva-product-media img {
    width: min(100%, 450px);
    object-fit: contain;
}

.elva-product-summary h1 {
    margin-bottom: 24px;
    font-size: clamp(2.5rem, 5vw, 4.35rem);
}

.elva-lead {
    margin-bottom: 28px;
    color: #40595f;
    font-size: clamp(1.1rem, 2vw, 1.28rem);
}

.elva-facts {
    display: grid;
    gap: 0;
    margin: 34px 0 0;
    border-top: 1px solid var(--elva-line);
}

.elva-facts > div {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 20px;
    padding: 17px 0;
    border-bottom: 1px solid var(--elva-line);
}

.elva-facts dt {
    color: var(--elva-aegean-deep);
    font-weight: 800;
}

.elva-facts dd {
    margin: 0;
    color: #4b6267;
}

.elva-content-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 310px;
    gap: clamp(40px, 7vw, 84px);
    align-items: start;
    padding-block: clamp(60px, 9vw, 110px);
}

.elva-article {
    min-width: 0;
}

.elva-article > p,
.elva-article > section {
    max-width: 780px;
}

.elva-article section {
    margin-top: 54px;
    padding-top: 8px;
}

.elva-article section:first-of-type {
    margin-top: 42px;
}

.elva-article h2 {
    position: relative;
    margin-bottom: 23px;
    padding-bottom: 14px;
}

.elva-article h2::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 72px;
    height: 3px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--elva-aegean), var(--elva-gold));
}

.elva-article h3 {
    margin: 30px 0 14px;
    color: var(--elva-aegean-deep);
}

.elva-article p,
.elva-article li {
    color: #334f55;
}

.elva-article ul {
    padding-left: 1.25em;
}

.elva-article li {
    margin-bottom: 9px;
}

.elva-checklist {
    padding: 0 !important;
    list-style: none;
}

.elva-checklist li {
    position: relative;
    padding: 14px 16px 14px 48px;
    border-bottom: 1px solid var(--elva-line);
}

.elva-checklist li::before {
    content: "✓";
    position: absolute;
    top: 14px;
    left: 12px;
    display: grid;
    width: 25px;
    height: 25px;
    place-items: center;
    color: #fff;
    background: var(--elva-olive);
    border-radius: 50%;
    font-size: 0.82rem;
    font-weight: 900;
}

.elva-cta {
    margin: 38px 0;
    padding: clamp(28px, 5vw, 46px);
    color: #fff;
    border-radius: 26px;
    background:
        linear-gradient(135deg, rgba(15, 79, 102, 0.98), rgba(23, 107, 135, 0.9));
    box-shadow: var(--elva-shadow);
}

.elva-cta h2,
.elva-article .elva-cta h2 {
    margin-bottom: 22px;
    padding: 0;
    color: #fff;
}

.elva-cta h2::after {
    display: none;
}

.elva-cta .elva-button {
    color: var(--elva-ink);
    background: #fff;
    box-shadow: none;
}

.elva-cta .elva-button:hover {
    color: #fff;
    background: var(--elva-terracotta);
}

.elva-faq {
    padding: clamp(26px, 5vw, 44px);
    border: 1px solid rgba(23, 107, 135, 0.18);
    border-radius: 28px;
    background: rgba(244, 239, 228, 0.7);
}

.elva-faq h3 {
    margin-top: 28px;
}

.elva-sidebar {
    position: sticky;
    top: 108px;
}

.elva-sidebar__card {
    padding: 28px;
    border: 1px solid var(--elva-line);
    border-radius: 24px;
    background: #fff;
    box-shadow: 0 16px 44px rgba(23, 52, 58, 0.1);
}

.elva-sidebar__card h2 {
    margin-bottom: 18px;
    font-size: 1.8rem;
}

.elva-sidebar__card ul {
    padding-left: 1.15em;
}

.elva-sidebar__card li {
    margin-bottom: 12px;
    color: #4b6267;
    font-size: 0.95rem;
}

.elva-sidebar__card .elva-button {
    width: 100%;
    margin-top: 12px;
}

.elva-related {
    max-width: 100% !important;
    margin-top: 64px !important;
    padding: clamp(28px, 5vw, 46px);
    border: 1px solid var(--elva-line);
    border-radius: 30px;
    background: linear-gradient(150deg, rgba(244, 239, 228, 0.8), rgba(255, 255, 255, 0.95));
}

.elva-related__head {
    max-width: 700px;
    margin-bottom: 28px;
}

.elva-kicker {
    margin-bottom: 8px;
    color: var(--elva-terracotta) !important;
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.elva-related__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.elva-related-card {
    display: flex;
    min-width: 0;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--elva-line);
    border-radius: 20px;
    background: #fff;
}

.elva-related-card__media {
    position: relative;
    display: grid;
    min-height: 210px;
    place-items: center;
    padding: 22px;
    background: var(--elva-marble);
}

.elva-related-card__media img {
    width: 180px;
    aspect-ratio: 1;
    object-fit: contain;
}

.elva-related-card__badge {
    position: absolute;
    z-index: 1;
    top: 14px;
    left: 14px;
}

.elva-related-card__body {
    display: flex;
    flex: 1;
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
}

.elva-related-card__title {
    margin-bottom: 18px;
    font-size: 1.3rem;
}

.elva-related-card__button {
    width: 100%;
}

.elva-footer {
    margin-top: 40px;
    color: rgba(255, 255, 255, 0.82);
    background: var(--elva-ink);
}

.elva-footer__grid {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 48px;
    padding-block: 58px 42px;
}

.elva-footer h2 {
    margin-bottom: 18px;
    color: #fff;
    font-size: 1.65rem;
}

.elva-footer p {
    margin-bottom: 0;
}

.elva-footer a {
    color: #fff;
}

.elva-footer__links {
    display: grid;
    align-content: start;
    gap: 12px;
    min-width: 235px;
}

.elva-footer__links a {
    text-decoration: none;
}

.elva-footer__copy {
    padding-block: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.13);
    color: rgba(255, 255, 255, 0.62);
    font-size: 0.92rem;
}

@media (max-width: 1020px) {
    .elva-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .elva-content-layout {
        grid-template-columns: minmax(0, 1fr);
    }

    .elva-sidebar {
        position: static;
    }

    .elva-sidebar__card {
        max-width: 780px;
    }
}

@media (max-width: 820px) {
    .elva-product-hero__grid {
        grid-template-columns: 1fr;
    }

    .elva-product-media {
        min-height: auto;
    }

    .elva-related__grid,
    .elva-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    body {
        font-size: 16px;
    }

    .elva-shell {
        width: min(100% - 28px, 1180px);
    }

    .elva-header__grid {
        min-height: 70px;
    }

    .elva-nav {
        gap: 14px;
        font-size: 0.88rem;
    }

    .elva-brand {
        font-size: 1.55rem;
    }

    .elva-brand::after {
        display: none;
    }

    .elva-hero {
        padding-block: 70px;
    }

    .elva-grid,
    .elva-related__grid {
        grid-template-columns: 1fr;
    }

    .elva-card__media {
        min-height: 220px;
    }

    .elva-product-hero {
        padding-bottom: 48px;
    }

    .elva-product-media {
        border-radius: 26px 26px 58px 26px;
    }

    .elva-product-summary h1 {
        font-size: 2.45rem;
    }

    .elva-facts > div {
        grid-template-columns: 1fr;
        gap: 4px;
    }

    .elva-content-layout {
        padding-block: 54px;
    }

    .elva-article section {
        margin-top: 44px;
    }

    .elva-related,
    .elva-faq,
    .elva-cta {
        padding: 24px;
        border-radius: 22px;
    }

    .elva-footer__grid {
        grid-template-columns: 1fr;
        gap: 34px;
    }

    .elva-footer__links {
        min-width: 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}