/* =========================================================
   BONESKARTSHOP
   CLEAN STATIC WEBSITE
   ========================================================= */


/* =========================
   RESET
   ========================= */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: #ffffff;
    color: #171717;
    line-height: 1.7;
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
textarea,
select {
    font: inherit;
}


/* =========================
   VARIABLES
   ========================= */

:root {
    --black: #111111;
    --dark: #181818;
    --gray-dark: #555555;
    --gray: #777777;
    --gray-light: #eeeeee;
    --border: #e5e5e5;
    --soft: #f7f7f7;
    --white: #ffffff;

    --container: 1180px;

    --radius-small: 8px;
    --radius: 14px;
    --radius-large: 22px;

    --shadow:
        0 12px 35px rgba(0, 0, 0, 0.07);

    --transition:
        all 0.25s ease;
}


/* =========================
   GLOBAL
   ========================= */

.container {
    width: min(100% - 40px, var(--container));
    margin-inline: auto;
}

.section-padding {
    padding: 100px 0;
}

.section-light {
    background: var(--soft);
}

.center {
    text-align: center;
}

.eyebrow {
    display: inline-block;
    margin-bottom: 14px;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 2px;
    color: #666666;
}

.eyebrow-light {
    color: #bbbbbb;
}

h1,
h2,
h3,
h4 {
    line-height: 1.2;
}

p {
    color: var(--gray-dark);
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 24px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 700;
    transition: var(--transition);
}

.button-primary {
    background: var(--black);
    color: var(--white);
}

.button-primary:hover {
    background: #333333;
    transform: translateY(-2px);
}

.button-light {
    background: var(--white);
    color: var(--black);
}

.button-light:hover {
    background: #eeeeee;
    transform: translateY(-2px);
}

.arrow-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 18px;
    font-size: 14px;
    font-weight: 700;
    transition: var(--transition);
}

.arrow-link:hover {
    gap: 13px;
    color: #555555;
}


/* =========================
   HEADER
   ========================= */

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(10px);
}

.header-inner {
    min-height: 78px;
    display: flex;
    align-items: center;
    gap: 30px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.logo-mark {
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--black);
    color: var(--white);
    border-radius: 8px;
    font-size: 18px;
    font-weight: 900;
}

.logo-text {
    font-size: 16px;
    font-weight: 900;
    letter-spacing: 0.5px;
}

.logo-text span {
    color: #777777;
}

.main-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    margin-left: auto;
}

.main-nav a {
    position: relative;
    padding: 8px 11px;
    font-size: 13px;
    font-weight: 600;
    color: #555555;
    transition: var(--transition);
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--black);
}

.main-nav a.active::after {
    content: "";
    position: absolute;
    left: 11px;
    right: 11px;
    bottom: 1px;
    height: 2px;
    background: var(--black);
}

.header-button {
    min-height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 18px;
    background: var(--black);
    color: var(--white);
    border-radius: 6px;
    font-size: 13px;
    font-weight: 700;
    transition: var(--transition);
}

.header-button:hover {
    background: #333333;
}

.menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border: 1px solid var(--border);
    background: var(--white);
    border-radius: 6px;
    cursor: pointer;
    padding: 9px;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--black);
    margin: 5px 0;
    transition: var(--transition);
}


/* =========================
   PAGE HERO
   ========================= */

.page-hero {
    padding: 110px 0 90px;
    background:
        linear-gradient(
            180deg,
            #ffffff 0%,
            #f8f8f8 100%
        );
    border-bottom: 1px solid var(--border);
}

.page-hero h1 {
    max-width: 850px;
    font-size: clamp(38px, 5vw, 64px);
    letter-spacing: -2px;
    margin-bottom: 20px;
}

.page-hero p {
    max-width: 680px;
    font-size: 17px;
}


/* =========================
   HOMEPAGE HERO
   ========================= */

.hero {
    min-height: 720px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: #f7f7f7;
}

.hero-content {
    position: relative;
    z-index: 2;
    width: 55%;
    padding: 90px 0;
}

.hero h1 {
    max-width: 780px;
    font-size: clamp(44px, 6vw, 78px);
    letter-spacing: -3px;
    margin-bottom: 25px;
}

.hero h1 span {
    color: #777777;
}

.hero p {
    max-width: 600px;
    font-size: 18px;
    margin-bottom: 32px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.hero-image {
    position: absolute;
    top: 0;
    right: 0;
    width: 48%;
    height: 100%;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}


/* =========================
   SECTION HEADING
   ========================= */

.section-heading {
    max-width: 720px;
    margin-bottom: 50px;
}

.section-heading.center {
    margin-left: auto;
    margin-right: auto;
}

.section-heading h2 {
    font-size: clamp(34px, 4vw, 52px);
    letter-spacing: -1.5px;
    margin-bottom: 18px;
}

.section-heading h2 span {
    color: #777777;
}

.section-heading p {
    font-size: 16px;
}


/* =========================
   CARDS
   ========================= */

.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.card {
    padding: 30px;
    border: 1px solid var(--border);
    background: var(--white);
    border-radius: var(--radius);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.card-number {
    display: inline-flex;
    margin-bottom: 35px;
    font-size: 12px;
    font-weight: 800;
    color: #999999;
}

.card h3 {
    font-size: 21px;
    margin-bottom: 12px;
}

.card p {
    font-size: 14px;
}


/* =========================
   PRODUCT GRID
   ========================= */

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.product-card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--white);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.product-info {
    padding: 25px;
}

.product-category {
    display: block;
    margin-bottom: 8px;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 1.5px;
    color: #999999;
}

.product-card h3 {
    font-size: 21px;
    margin-bottom: 10px;
}

.product-card p {
    font-size: 14px;
}


/* =========================
   CATEGORY
   ========================= */

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

.category-card {
    position: relative;
    min-height: 220px;
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--white);
    transition: var(--transition);
}

.category-card:hover {
    background: var(--black);
    color: var(--white);
    transform: translateY(-4px);
}

.category-card:hover p,
.category-card:hover .category-meta {
    color: #bbbbbb;
}

.category-card h3 {
    font-size: 25px;
}

.category-card p {
    font-size: 14px;
    transition: var(--transition);
}

.category-meta {
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 1.5px;
    color: #999999;
    transition: var(--transition);
}


/* =========================
   ARTICLE
   ========================= */

.article-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.article-card {
    padding: 30px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--white);
    transition: var(--transition);
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.article-meta {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 25px;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 1px;
    color: #999999;
}

.article-card h2,
.article-card h3 {
    font-size: 23px;
    margin-bottom: 14px;
}

.article-card p {
    font-size: 14px;
}


/* =========================
   PROMOTION
   ========================= */

.promotion-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.promotion-card {
    padding: 34px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--white);
    transition: var(--transition);
}

.promotion-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.promotion-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 35px;
}

.promotion-number {
    font-size: 13px;
    font-weight: 800;
    color: #999999;
}

.promotion-label {
    padding: 5px 10px;
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 1px;
}

.promotion-card h2 {
    font-size: 28px;
    margin-bottom: 14px;
}

.promotion-card p {
    font-size: 14px;
}


/* =========================
   DARK PANEL
   ========================= */

.dark-panel {
    padding: 70px;
    border-radius: var(--radius-large);
    background: var(--black);
    color: var(--white);
}

.dark-panel h2 {
    max-width: 700px;
    font-size: clamp(34px, 4vw, 54px);
    letter-spacing: -1.5px;
    margin-bottom: 18px;
}

.dark-panel p {
    max-width: 650px;
    color: #bbbbbb;
    margin-bottom: 30px;
}


/* =========================
   CTA
   ========================= */

.cta-section {
    padding: 80px 0;
    background: var(--white);
}

.cta-box {
    padding: 50px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    border: 1px solid var(--border);
    border-radius: var(--radius-large);
    background: #fafafa;
}

.cta-box h2 {
    font-size: clamp(30px, 4vw, 45px);
    letter-spacing: -1px;
    margin-bottom: 12px;
}

.cta-box p {
    font-size: 15px;
}


/* =========================
   CONTACT
   ========================= */

.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 70px;
    align-items: start;
}

.contact-content h2 {
    font-size: clamp(35px, 4vw, 54px);
    letter-spacing: -1.5px;
    margin-bottom: 20px;
}

.contact-content h2 span {
    color: #777777;
}

.contact-content p {
    max-width: 600px;
    margin-bottom: 16px;
}

.contact-cards {
    display: grid;
    gap: 16px;
}

.contact-card {
    display: flex;
    gap: 20px;
    padding: 25px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--white);
    transition: var(--transition);
}

.contact-card:hover {
    box-shadow: var(--shadow);
}

.contact-icon {
    width: 46px;
    height: 46px;
    flex: 0 0 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--black);
    color: var(--white);
    font-weight: 800;
}

.card-label {
    display: block;
    margin-bottom: 5px;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 1.5px;
    color: #999999;
}

.contact-card h3 {
    font-size: 19px;
    margin-bottom: 5px;
}

.contact-card p {
    font-size: 13px;
}


/* =========================
   INFO PANEL
   ========================= */

.info-panel {
    max-width: 800px;
    padding: 50px;
    border: 1px solid var(--border);
    border-radius: var(--radius-large);
    background: var(--white);
}

.info-panel h2 {
    font-size: 38px;
    margin-bottom: 16px;
}

.info-panel p {
    margin-bottom: 25px;
}


/* =========================
   FAQ
   ========================= */

.faq-container {
    max-width: 900px;
}

.faq-list {
    border-top: 1px solid var(--border);
}

.faq-item {
    border-bottom: 1px solid var(--border);
}

.faq-item summary {
    min-height: 78px;
    padding: 20px 5px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    cursor: pointer;
    list-style: none;
    font-size: 16px;
    font-weight: 700;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary b {
    width: 30px;
    height: 30px;
    flex: 0 0 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: 50%;
    font-size: 18px;
    font-weight: 400;
    transition: var(--transition);
}

.faq-item[open] summary b {
    transform: rotate(45deg);
    background: var(--black);
    color: var(--white);
}

.faq-answer {
    padding: 0 50px 25px 5px;
}

.faq-answer p {
    font-size: 14px;
}


/* =========================
   LEGAL
   ========================= */

.legal-content {
    max-width: 950px;
}

.legal-intro {
    padding-bottom: 65px;
    border-bottom: 1px solid var(--border);
}

.legal-intro h2 {
    max-width: 800px;
    font-size: clamp(35px, 4vw, 55px);
    letter-spacing: -1.5px;
    margin-bottom: 20px;
}

.legal-intro h2 span {
    color: #777777;
}

.legal-intro p {
    max-width: 720px;
}

.legal-section {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 25px;
    padding: 50px 0;
    border-bottom: 1px solid var(--border);
}

.legal-number {
    font-size: 13px;
    font-weight: 900;
    color: #999999;
}

.legal-section h2 {
    font-size: 27px;
    margin-bottom: 15px;
}

.legal-section p {
    margin-bottom: 12px;
    font-size: 15px;
}

.legal-update {
    margin-top: 35px;
    padding: 18px 20px;
    background: var(--soft);
    border-radius: var(--radius-small);
    font-size: 13px;
    color: #666666;
}


/* =========================
   FOOTER
   ========================= */

.site-footer {
    padding: 70px 0 25px;
    background: var(--black);
    color: var(--white);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 50px;
    padding-bottom: 55px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-brand .logo-mark {
    background: var(--white);
    color: var(--black);
}

.footer-brand .logo-text {
    color: var(--white);
}

.footer-brand .logo-text span {
    color: #888888;
}

.footer-brand p {
    max-width: 350px;
    color: #999999;
    font-size: 13px;
}

.footer-column {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 9px;
}

.footer-column h3 {
    margin-bottom: 10px;
    font-size: 13px;
    letter-spacing: 0.5px;
}

.footer-column a {
    color: #999999;
    font-size: 13px;
    transition: var(--transition);
}

.footer-column a:hover {
    color: var(--white);
}

.footer-bottom {
    padding-top: 22px;
    border-top: 1px solid #292929;
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

.footer-bottom p {
    color: #777777;
    font-size: 11px;
}


/* =========================
   RESPONSIVE
   ========================= */

@media (max-width: 1050px) {

    .main-nav {
        gap: 0;
    }

    .main-nav a {
        padding-inline: 7px;
        font-size: 12px;
    }

    .header-button {
        display: none;
    }

    .hero-content {
        width: 60%;
    }

    .hero-image {
        width: 43%;
    }

}


@media (max-width: 850px) {

    .section-padding {
        padding: 75px 0;
    }

    .header-inner {
        min-height: 70px;
    }

    .menu-toggle {
        display: block;
        margin-left: auto;
    }

    .main-nav {
        position: absolute;
        top: calc(100% + 1px);
        left: 0;
        width: 100%;
        padding: 15px 20px 20px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 2px;
        background: var(--white);
        border-bottom: 1px solid var(--border);
        box-shadow: 0 12px 25px rgba(0, 0, 0, 0.06);
    }

    .main-nav.open {
        display: flex;
    }

    .main-nav a {
        padding: 12px 10px;
        font-size: 14px;
    }

    .main-nav a.active::after {
        display: none;
    }

    .hero {
        min-height: auto;
        display: block;
    }

    .hero-content {
        width: 100%;
        padding: 80px 0 50px;
    }

    .hero-image {
        position: relative;
        width: 100%;
        height: 420px;
    }

    .card-grid,
    .product-grid,
    .category-grid,
    .article-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 45px;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }

}


@media (max-width: 600px) {

    .container {
        width: min(100% - 30px, var(--container));
    }

    .section-padding {
        padding: 60px 0;
    }

    .page-hero {
        padding: 75px 0 60px;
    }

    .page-hero h1 {
        font-size: 40px;
        letter-spacing: -1.5px;
    }

    .page-hero p {
        font-size: 15px;
    }

    .hero-content {
        padding: 65px 0 40px;
    }

    .hero h1 {
        font-size: 44px;
        letter-spacing: -2px;
    }

    .hero p {
        font-size: 16px;
    }

    .hero-image {
        height: 320px;
    }

    .section-heading {
        margin-bottom: 35px;
    }

    .section-heading h2 {
        font-size: 35px;
    }

    .card-grid,
    .product-grid,
    .category-grid,
    .article-grid,
    .promotion-grid {
        grid-template-columns: 1fr;
    }

    .promotion-card {
        padding: 27px;
    }

    .dark-panel {
        padding: 40px 25px;
    }

    .dark-panel h2 {
        font-size: 35px;
    }

    .cta-box {
        padding: 30px 25px;
        flex-direction: column;
        align-items: flex-start;
    }

    .cta-box h2 {
        font-size: 32px;
    }

    .info-panel {
        padding: 35px 25px;
    }

    .info-panel h2 {
        font-size: 31px;
    }

    .legal-section {
        grid-template-columns: 1fr;
        gap: 10px;
        padding: 35px 0;
    }

    .legal-section h2 {
        font-size: 24px;
    }

    .faq-item summary {
        font-size: 14px;
    }

    .faq-answer {
        padding-right: 10px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 35px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 5px;
    }

}