:root {
    --n: #081a33;
    --b: #0d7cff;
    --c: #23d5f5;
    --cl: #eef5fb;
    --ink: #0a1729;
    --m: #66768b;
    --line: #dce5ed;
    --white: #fff;
}
* {
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--ink);
    background: #fff;
    line-height: 1.55;
}
a {
    text-decoration: none;
    color: inherit;
}
button {
    font: inherit;
}
.wrap {
    width: min(1240px, 92%);
    margin: auto;
}
.announcement {
    background: var(--n);
    color: #dbe7f3;
    text-align: center;
    padding: 9px 15px;
    font-size: 12px;
    letter-spacing: 0.08em;
}
.header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.97);
    border-bottom: 1px solid var(--line);
}
.nav {
    height: 92px;
    display: grid;
    grid-template-columns: 260px 1fr auto;
    align-items: center;
    gap: 28px;
}
.logo img {
    width: 230px;
    display: block;
}
.menu {
    display: flex;
    justify-content: center;
    gap: 28px;
    font-size: 13px;
    font-weight: 700;
}
.menu a {
    padding: 34px 0;
    position: relative;
}
.menu a:after {
    content: "";
    position: absolute;
    left: 0;
    right: 100%;
    bottom: 24px;
    height: 2px;
    background: var(--b);
    transition: 0.25s;
}
.menu a:hover:after {
    right: 0;
}
.actions {
    display: flex;
    align-items: center;
    gap: 7px;
}
.action {
    height: 42px;
    min-width: 42px;
    padding: 0 12px;
    border: 1px solid var(--line);
    background: #fff;
    display: grid;
    place-items: center;
    font-size: 12px;
    font-weight: 800;
    cursor: pointer;
}
.action.account {
    gap: 8px;
    grid-auto-flow: column;
}
.bag {
    background: var(--n);
    color: #fff;
    border-color: var(--n);
}
.count {
    display: inline-grid;
    place-items: center;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--b);
    font-size: 10px;
}
.hero {
    
    height: 690px;
    position: relative;
    background: #dfe7eb;
    overflow: hidden;
}
.hero-img {
    position: absolute;
    inset: 0;
 
   background: url(/img/banner.png);
      background-position: right;
}
.hero-img:before {
   
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    color: #667a86;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.15em;
}
.hero-img:after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        rgba(5, 21, 41, 0.98) 0%,
        rgba(5, 21, 41, 0.91) 36%,
        rgba(5, 21, 41, 0.52) 56%,
        rgba(5, 21, 41, 0.08) 80%
    );
}
.hero .wrap {
    height: 100%;
    display: flex;
    align-items: center;
    position: relative;
}
.hero-copy {
    color: #fff;
    width: 620px;
    position: relative;
    z-index: 2;
}
.kicker {
    font-size: 11px;
    font-weight: 900;
    letter-spacing: 0.22em;
    color: var(--c);
    margin-bottom: 18px;
}
.hero h1 {
    font-size: 50px;
    line-height: 1.02;
    letter-spacing:normal;
    margin: 0 0 24px;
    font-weight: 650;
}
.hero p {
    color: #c7d5e3;
    font-size: 17px;
    max-width: 555px;
    margin: 0 0 32px;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 21px;
    border: 1px solid transparent;
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.05em;
}
.btn.blue {
    background: var(--b);
    color: #fff;
}
.btn.outline {
    border-color: rgba(255, 255, 255, 0.55);
    color: #fff;
    margin-left: 9px;
}
.hero-meta {
    display: flex;
    gap: 35px;
    margin-top: 48px;
    padding-top: 22px;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    font-size: 13px;
    color: #9fb3c8;
}
.hero-meta b {
    display: block;
    color: #fff;
    font-size: 15px;
    margin-bottom: 2px;
}
.trust {
    border-bottom: 1px solid var(--line);
}
.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}
.trust-item {
    padding: 24px 26px;
    border-right: 1px solid var(--line);
    display: flex;
    gap: 13px;
    align-items: center;
}
.trust-item:last-child {
    border: 0;
}
.trust-icon {
    font-size: 18px;
    color: var(--b);
}
.trust-item b {
    font-size: 17px;
    display: block;
}
.trust-item small {
    font-size: 14px;
    color: var(--m);
}
section {
    padding: 95px 0;
}
.head {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 35px;
    margin-bottom: 40px;
}
.head h2 {
    font-size: 43px;
    line-height: 1.05;
    letter-spacing: -0.04em;
    margin: 5px 0 0;
}
.head p {
    max-width: 480px;
    color: var(--m);
    font-size: 14px;
}
.categories {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}
.cat {
    padding: 32px 28px;
    border-right: 1px solid var(--line);
    min-height:160px;
    position: relative;
    transition: 0.25s;
}
.cat:last-child {
    border: 0;
}
.cat:hover {
    background: var(--cl);
}
.cat .num {
    color: var(--b);
    font-size: 18px;
    font-weight: 900;
}
.cat h3 {
    font-size: 22px;
    margin: 20px 0 7px;
}
.cat p {
    font-size: 13px;
    color: var(--m);
    margin: 0;
}
.cat .arrow {
    position: absolute;
    right: 25px;
    top: 28px;
    color: var(--b);
}
.products {
    background: #f5f8fa;
}
.tabs {
    display: flex;
    gap: 25px;
    border-bottom: 1px solid #d5e0e8;
    margin-bottom: 28px;
}
.tab {
    border: 0;
    background: none;
    padding: 0 0 12px;
    font-size: 12px;
    font-weight: 900;
    color: #738294;
    cursor: pointer;
}
.tab.active {
    color: var(--n);
    border-bottom: 2px solid var(--b);
}
.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.product {
    background: #fff;
    transition: 0.25s;
    position: relative;
}
.product:hover {
    box-shadow: 0 18px 45px rgba(8, 26, 51, 0.09);
    transform: translateY(-3px);
}
.product-img {
    height: 310px;
    background: #e6edef;
    position: relative;
    overflow: hidden;
}
.product-img:before {
    content: "PRODUCT IMAGE";
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    color: #5c7080;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.13em;
}
.badge {
    position: absolute;
    left: 14px;
    top: 14px;
    background: var(--n);
    color: #fff;
    padding: 6px 9px;
    font-size: 9px;
    font-weight: 900;
    letter-spacing: 0.09em;
    z-index: 2;
}
.quick {
    position: absolute;
    left: 15px;
    right: 15px;
    bottom: -55px;
    background: #fff;
    border: 0;
    height: 42px;
    font-size: 11px;
    font-weight: 900;
    transition: 0.25s;
    cursor: pointer;
}
.product:hover .quick {
    bottom: 15px;
}
.pbody {
    padding: 20px;
}
.category {
    font-size: 10px;
    font-weight: 900;
    color: var(--b);
    letter-spacing: 0.08em;
}
.pbody h3 {
    font-size: 17px;
    margin: 5px 0 7px;
}
.pbody p {
    font-size: 12px;
    color: var(--m);
    margin: 0;
}
.price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 17px;
}
.price {
    font-size: 17px;
    font-weight: 900;
}
.add {
    border: 0;
    background: var(--n);
    color: #fff;
    width: 36px;
    height: 36px;
    font-size: 20px;
    cursor: pointer;
}
.shop-link {
    display: block;
    width: max-content;
    margin: 36px auto 0;
    border-bottom: 1px solid var(--n);
    font-size: 12px;
    font-weight: 900;
    padding-bottom: 4px;
}
.about-grid {
    display: grid;
    grid-template-columns: 1.03fr 0.97fr;
    gap: 75px;
    align-items: center;
}
.photo {
    height: 560px;
    background: #e1eaee;
    position: relative;
}
.photo:before {
    content: "ADD IMAGE HERE • img/about.jpg";
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    color: #607683;
    font-size: 11px;
    font-weight: 900;
    letter-spacing: 0.14em;
}
.about h2 {
    font-size: 40px;
    line-height: 1.07;
    letter-spacing: -0.045em;
    margin: 7px 0 22px;
}
.about p {
    color: var(--m);
    font-size: 15px;
}
.facts {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-top: 1px solid var(--line);
    margin: 30px 0;
}
.fact {
    padding: 20px 15px 20px 0;
    border-bottom: 1px solid var(--line);
    font-size: 14px;
}

.wrap.about-grid img {
    border-radius: 10px;
        width: 100%;
        
}
.wrap.science-grid img {
    border-radius: 10px;
    width: 100%;
}


.fact b {
    display: block;
    font-size: 16px;
    color: var(--n);
}
.science {
    background: var(--n);
    color: #fff;
}
.science-grid {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 70px;
    align-items: center;
}
.science .photo {
    height: 460px;
    background: #14304f;
}
.science .photo:before {
    content: "ADD LAB / SCIENCE IMAGE • img/science.jpg";
    color: #9eb5c8;
}
.science h2 {
    font-size: 48px;
    line-height: 1.05;
    letter-spacing: -0.04em;
    margin: 8px 0 22px;
}
.science p {
    color: #aebfd0;
}
.science-list {
    margin-top: 28px;
    border-top: 1px solid #27415d;
}
.science-row {
    display: grid;
    grid-template-columns: 55px 1fr;
    padding: 17px 0;
    border-bottom: 1px solid #27415d;
    font-size: 13px;
}
.science-row span {
    color: var(--c);
    font-weight: 900;
}
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}
.service {
    border: 1px solid var(--line);
    padding: 34px;
    min-height: 270px;
    position: relative;
}
.service .snum {
    color: var(--b);
    font-size: 11px;
    font-weight: 900;
}
.service h3 {
    font-size: 22px;
    margin: 55px 0 10px;
}
.service p {
    font-size: 13px;
    color: var(--m);
}
.service a {
    position: absolute;
    bottom: 30px;
    font-size: 11px;
    font-weight: 900;
    color: var(--b);
}
.testimonial {
    background: #f5f8fa;
}
.slider {
    overflow: hidden;
}
.track {
    display: flex;
    transition: transform 0.7s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.slide {
    min-width: 100%;
    display: grid;
    grid-template-columns: 330px 1fr;
    gap: 60px;
    align-items: center;
}
.review-side {
    border-right: 1px solid var(--line);
    padding-right: 50px;
}
.review-side strong {
    font-size: 56px;
    display: block;
    letter-spacing: -0.05em;
}
.review-side small {
    color: var(--m);
}
blockquote {
    font-size: 29px;
    line-height: 1.4;
    letter-spacing: -0.025em;
    margin: 0;
    font-weight: 600;
}
cite {
    display: block;
    margin-top: 25px;
    font-size: 12px;
    color: var(--m);
    font-style: normal;
}
.slider-nav {
    display: flex;
    gap: 8px;
    margin-top: 30px;
}
.slider-nav button {
    width: 44px;
    height: 44px;
    border: 1px solid var(--line);
    background: #fff;
    cursor: pointer;
}
.faq-grid {
    display: grid;
    grid-template-columns: 0.7fr 1.3fr;
    gap: 80px;
}
.faq-grid h2 {
    font-size: 44px;
    line-height: 1.05;
    margin: 7px 0 15px;
}
.faq-grid > div > p {
    color: var(--m);
    font-size: 14px;
}
.faq-item {
    border-top: 1px solid var(--line);
}
.faq-item:last-child {
    border-bottom: 1px solid var(--line);
}
.faq-q {
    width: 100%;
    border: 0;
    background: none;
    padding: 21px 0;
    display: flex;
    justify-content: space-between;
    text-align: left;
    font-weight: 800;
    cursor: pointer;
}
.faq-a {
    display: none;
    padding: 0 35px 20px 0;
    color: var(--m);
    font-size: 13px;
}
.faq-item.open .faq-a {
    display: block;
}
.account-band {
    background: var(--b);
    color: #fff;
    padding: 0;
}
.account-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    min-height: 260px;
}
.account-grid h2 {
    font-size: 37px;
    margin: 5px 0 12px;
}
.account-grid p {
    color: #d9e9ff;
    max-width: 620px;
}
.account-actions {
    text-align: right;
}
.account-actions .btn {
    background: #fff;
    color: var(--n);
    margin-left: 8px;
}
.footer {
    background: #06162b;
    color: #fff;
    padding: 70px 0 25px;
}
.foot {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 55px;
}
.foot img {
    width: 220px;
    filter: brightness(0) invert(1);
}
.foot p,
.foot a {
    color: #8fa5ba;
    font-size: 15px;
}
.foot h4 {
    font-size: 16px;
    margin: 0 0 17px;
}
.foot a {
    display: block;
    margin: 9px 0;
}
.copy {
    margin-top: 45px;
    padding-top: 20px;
    border-top: 1px solid #19304a;
    color: #71879c;
    font-size: 15px;
    display: flex;
    justify-content: space-between;
}
.mobile {
    display: none;
}
@media (max-width: 950px) {
    .nav {
        grid-template-columns: 1fr auto;
    }
    .menu {
        display: none;
    }
    .mobile {
        display: grid;
    }
    .actions .account {
        display: none;
    }
    .hero h1 {
        font-size: 52px;
    }
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .about-grid,
    .science-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }
    .slide {
        grid-template-columns: 1fr;
    }
    .review-side {
        border: 0;
        padding: 0;
    }
    .services-grid {
        grid-template-columns: 1fr;
    }
    .foot {
        grid-template-columns: 1fr 1fr;
    }
    .account-grid {
        grid-template-columns: 1fr;
    }
    .account-actions {
        text-align: left;
        padding-bottom: 35px;
    }
    .categories {
        grid-template-columns: 1fr 1fr;
    }
    .cat:nth-child(2) {
        border-right: 0;
    }
}
@media (max-width: 600px) {
    .wrap {
        width: 90%;
    }
    .announcement {
        font-size: 9px;
    }
    .nav {
        height: 76px;
    }
    .logo img {
        width: 175px;
    }
    .hero {
        height: 680px;
    }
    .hero-img:after {
        background: linear-gradient(
            180deg,
            rgba(5, 21, 41, 0.98) 0%,
            rgba(5, 21, 41, 0.92) 55%,
            rgba(5, 21, 41, 0.25) 100%
        );
    }
    .hero-copy {
        width: 100%;
        align-self: flex-start;
        margin-top: 90px;
    }
    .hero h1 {
        font-size: 42px;
    }
    .hero p {
        font-size: 15px;
    }
    .hero-meta {
        display: none;
    }
    .trust-grid,
    .categories,
    .product-grid {
        grid-template-columns: 1fr;
    }
    .trust-item,
    .cat {
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }
    section {
        padding: 70px 0;
    }
    .head {
        display: block;
    }
    .head h2,
    .about h2,
    .science h2,
    .faq-grid h2 {
        font-size: 36px;
    }
    .head p {
        margin-top: 15px;
    }
    .product-img {
        height: 350px;
    }
    .photo {
        height: 400px;
    }
    .slide blockquote {
        font-size: 23px;
    }
    .foot {
        grid-template-columns: 1fr;
    }
    .copy {
        display: block;
    }
    .account-actions .btn {
        margin: 8px 5px 0 0;
    }
    .action.search {
        display: none;
    }
}

/* ecommerce + account + admin */
.page-hero {
    padding: 72px 0 52px;
    background: #f4f8fb;
    border-bottom: 1px solid var(--line);
}
.page-hero h1 {
    font-size: 48px;
    letter-spacing: -0.04em;
    margin: 6px 0 10px;
}
.breadcrumbs {
    font-size: 11px;
    color: var(--m);
}
.flash {
    padding: 12px 4%;
    text-align: center;
    font-size: 13px;
}
.flash.success {
    background: #e8f8ef;
    color: #175d37;
}
.flash.error {
    background: #fff0f0;
    color: #8a2424;
}
.shop-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    gap: 16px;
}
.shop-toolbar form {
    display: flex;
    gap: 8px;
}
.input,
.select {
    height: 44px;
    border: 1px solid var(--line);
    background: #fff;
    padding: 0 13px;
    min-width: 210px;
}
.product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.product-img.has-img:before {
    display: none;
}
.product a.stretch {
    position: absolute;
    inset: 0;
    z-index: 1;
}
.product .quick,
.product .add {
    position: relative;
    z-index: 2;
}
.pagination {
    display: flex;
    justify-content: center;
    gap: 7px;
    margin-top: 35px;
}
.pagination a {
    border: 1px solid var(--line);
    padding: 8px 12px;
}
.detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    padding: 70px 0;
}
.detail-image {
    min-height: 560px;
    background: #eef3f5;
    display: grid;
    place-items: center;
}
.detail-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.detail h1 {
    font-size: 46px;
    line-height: 1.05;
    margin: 8px 0 15px;
}
.detail .price {
    font-size: 24px;
}
.qty {
    width: 80px;
    height: 48px;
    border: 1px solid var(--line);
    padding: 0 12px;
}
.buyrow {
    display: flex;
    gap: 10px;
    margin: 28px 0;
}
.prose {
    color: var(--m);
    font-size: 14px;
}
.stock {
    font-size: 12px;
    font-weight: 800;
    color: #28784c;
}
.panel {
    border: 1px solid var(--line);
    background: #fff;
    padding: 28px;
}
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.field {
    display: flex;
    flex-direction: column;
    gap: 7px;
}
.field.full {
    grid-column: 1/-1;
}
.field label {
    font-size: 11px;
    font-weight: 900;
}
.field input,
.field textarea,
.field select {
    border: 1px solid var(--line);
    padding: 12px;
    background: #fff;
}
.field textarea {
    min-height: 120px;
}
.auth-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    padding: 70px 0;
}
.auth-grid h2 {
    font-size: 30px;
    margin-top: 0;
}
.account-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 35px;
    padding: 60px 0;
}
.account-nav a {
    display: block;
    padding: 13px;
    border-bottom: 1px solid var(--line);
    font-size: 12px;
    font-weight: 800;
}
.table-wrap {
    overflow: auto;
}
.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}
.table th,
.table td {
    padding: 14px 10px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
}
.table th {
    font-size: 10px;
    letter-spacing: 0.08em;
    color: var(--m);
}
.status {
    display: inline-block;
    padding: 5px 8px;
    background: #edf3f7;
    font-size: 10px;
    font-weight: 900;
    text-transform: uppercase;
}
.cart-layout {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: 35px;
    padding: 60px 0;
}
.cart-item {
    display: grid;
    grid-template-columns: 90px 1fr 90px 100px auto;
    gap: 16px;
    align-items: center;
    padding: 18px 0;
    border-bottom: 1px solid var(--line);
}
.cart-thumb {
    width: 90px;
    height: 90px;
    background: #eef3f5;
}
.summary {
    background: #f5f8fa;
    padding: 28px;
    height: max-content;
}
.summary-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--line);
}
.summary-row.total {
    font-size: 20px;
    font-weight: 900;
}
.empty {
    text-align: center;
    padding: 80px 20px;
}
.admin-shell {
    min-height: 100vh;
    background: #f4f7fa;
}
.admin-top {
    background: var(--n);
    color: #fff;
    padding: 16px 3%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.admin-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    min-height: calc(100vh - 58px);
}
.admin-side {
    background: #fff;
    border-right: 1px solid var(--line);
    padding: 20px;
}
.admin-side a {
    display: block;
    padding: 11px 12px;
    font-size: 12px;
    font-weight: 800;
}
.admin-side a:hover {
    background: var(--cl);
}
.admin-main {
    padding: 30px;
}
.admin-main h1 {
    margin-top: 0;
}
.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin-bottom: 25px;
}
.stat {
    background: #fff;
    border: 1px solid var(--line);
    padding: 20px;
}
.stat small {
    color: var(--m);
}
.stat strong {
    display: block;
    font-size: 28px;
}
.inline {
    display: flex;
    gap: 8px;
    align-items: center;
}
.danger {
    color: #a12626;
}
.muted {
    color: var(--m);
}
@media (max-width: 800px) {
    .auth-grid,
    .detail,
    .cart-layout,
    .account-layout {
        grid-template-columns: 1fr;
    }
    .form-grid {
        grid-template-columns: 1fr;
    }
    .field.full {
        grid-column: auto;
    }
    .cart-item {
        grid-template-columns: 70px 1fr;
    }
    .cart-item > *:nth-child(n + 3) {
        grid-column: 2;
    }
    .admin-layout {
        grid-template-columns: 1fr;
    }
    .admin-side {
        display: flex;
        overflow: auto;
    }
    .stats {
        grid-template-columns: 1fr 1fr;
    }
    .shop-toolbar {
        align-items: stretch;
        flex-direction: column;
    }
    .shop-toolbar form {
        flex-direction: column;
    }
    .input,
    .select {
        width: 100%;
    }
}