/* =============================================
   UNBOTHERED — Design System CSS
   Premium Brutalist Streetwear / Est. 2024
   ============================================= */

/* ---- Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --color-bg:          #0A0A0A;
    --color-bg-surface:  #131313;
    --color-bg-low:      #1c1b1b;
    --color-bg-lowest:   #0e0e0e;
    --color-on-bg:       #e5e2e1;
    --color-on-variant:  #c4c7c7;
    --color-outline:     #707070;
    --color-outline-var: #444748;
    --color-primary:     #c9c6c5;
    --color-cream:       #F3F1EC;
    --color-error:       #ffb4ab;

    --font-display:  'Bricolage Grotesque', sans-serif;
    --font-body:     'Manrope', sans-serif;

    --space-base: 4px;
    --space-xs:   8px;
    --space-sm:   16px;
    --space-md:   32px;
    --space-lg:   64px;
    --space-xl:   128px;
    --space-gutter: 24px;
    --space-margin: 40px;

    --header-h: 64px;
}

html { scroll-behavior: smooth; }

body {
    background-color: var(--color-bg);
    color: var(--color-on-bg);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

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

::selection { background: var(--color-cream); color: var(--color-bg); }

/* Material Icons */
.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    font-size: 24px;
    line-height: 1;
    user-select: none;
}


/* =============================================
   HEADER & NAVIGATION
   ============================================= */

.site-header {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    height: var(--header-h);
    z-index: 100;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-outline);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-margin);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.site-header.is-hidden { transform: translateY(-100%); }

.site-logo {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.04em;
    text-transform: uppercase;
    color: var(--color-on-bg);
    flex-shrink: 0;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.site-nav a {
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-outline);
    padding: 6px 8px;
    border-bottom: 2px solid transparent;
    transition: none;
}

.site-nav a:hover { color: var(--color-on-bg); }
.site-nav a.is-active { color: var(--color-on-bg); border-bottom-color: var(--color-on-bg); }

.header-actions { display: flex; align-items: center; gap: 4px; }

.header-btn {
    width: 40px; height: 40px;
    background: none; border: none;
    color: var(--color-on-bg);
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    position: relative;
    transition: none;
    text-decoration: none;
}
.header-btn:hover { background: var(--color-on-bg); color: var(--color-bg); }

.cart-badge {
    position: absolute;
    top: 2px; right: 2px;
    background: var(--color-error);
    color: #690005;
    font-family: var(--font-body);
    font-size: 10px;
    font-weight: 700;
    padding: 1px 4px;
    line-height: 1.2;
    display: none;
}

/* Hamburger */
.hamburger-btn {
    display: none;
    width: 40px; height: 40px;
    background: none; border: none;
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
}
.hamburger-btn span {
    display: block;
    width: 22px; height: 2px;
    background: var(--color-on-bg);
    transition: transform 0.2s ease, opacity 0.2s ease;
}
.hamburger-btn.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger-btn.is-open span:nth-child(2) { opacity: 0; }
.hamburger-btn.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Menu */
/* Search overlay */
.search-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 100;
    background: rgba(10, 10, 10, 0.92);
    backdrop-filter: blur(4px);
    align-items: flex-start;
    justify-content: center;
    padding: calc(var(--header-h) + var(--space-lg)) var(--space-margin) var(--space-margin);
}
.search-overlay.is-open { display: flex; }
.search-overlay__form {
    width: 100%;
    max-width: 720px;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    border-bottom: 2px solid var(--color-on-bg);
    padding-bottom: var(--space-sm);
}
.search-overlay__input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--color-on-bg);
    font-family: var(--font-display);
    font-size: clamp(20px, 4vw, 36px);
    font-weight: 700;
    letter-spacing: -0.02em;
    text-transform: uppercase;
}
.search-overlay__input::placeholder { color: var(--color-outline-var); }

.mobile-menu {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 90;
    background: var(--color-bg);
    flex-direction: column;
    padding: var(--header-h) var(--space-margin) var(--space-lg);
    border-right: 1px solid var(--color-outline);
    overflow-y: auto;
}
.mobile-menu.is-open { display: flex; }

.mobile-menu nav {
    margin-top: var(--space-lg);
    display: flex;
    flex-direction: column;
}
.mobile-menu nav a {
    font-family: var(--font-display);
    font-size: 40px;
    font-weight: 700;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    color: var(--color-on-bg);
    padding: 12px 0;
    border-bottom: 1px solid var(--color-outline-var);
    display: block;
}
.mobile-menu nav a:hover { color: var(--color-outline); }

.mobile-menu-footer {
    margin-top: auto;
    padding-top: var(--space-md);
}
.mobile-menu-footer p {
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-outline);
}


/* =============================================
   TYPOGRAPHY
   ============================================= */

.text-display {
    font-family: var(--font-display);
    font-size: clamp(34px, 6vw, 80px);
    font-weight: 800;
    line-height: 1.0;
    letter-spacing: -0.04em;
}
.text-headline {
    font-family: var(--font-display);
    font-size: clamp(26px, 4vw, 48px);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
}
.text-headline-sm {
    font-family: var(--font-display);
    font-size: clamp(24px, 3vw, 32px);
    font-weight: 700;
    line-height: 1.1;
}
.text-title {
    font-family: var(--font-body);
    font-size: 20px;
    font-weight: 600;
    line-height: 1.4;
    letter-spacing: 0.05em;
}
.text-body-lg {
    font-family: var(--font-body);
    font-size: 18px;
    font-weight: 400;
    line-height: 1.6;
}
.text-body {
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 400;
    line-height: 1.6;
}
.text-label {
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}


/* =============================================
   BUTTONS
   ============================================= */

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--color-cream);
    color: var(--color-bg);
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 18px 64px;
    border: none;
    cursor: pointer;
    transition: none;
    text-decoration: none;
    width: 100%;
}
.btn-primary:hover { background: #ffffff; }
.btn-primary.hero-cta { width: auto; padding: 18px 48px; }

.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: transparent;
    color: var(--color-on-bg);
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 12px 24px;
    border: 1px solid var(--color-outline);
    cursor: pointer;
    transition: none;
    text-decoration: none;
}
.btn-outline:hover { background: var(--color-on-bg); color: var(--color-bg); }

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px; height: 48px;
    border: 1px solid var(--color-outline);
    background: none;
    color: var(--color-on-bg);
    cursor: pointer;
    transition: none;
}
.btn-icon:hover { background: var(--color-on-bg); color: var(--color-bg); }


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

.product-card {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    background: var(--color-bg-low);
    border-right: 1px solid var(--color-outline-var);
    border-bottom: 1px solid var(--color-outline-var);
}

.product-card img {
    width: 100%; height: 100%;
    object-fit: cover;
    display: block;
    filter: grayscale(1) brightness(0.75);
    transition: filter 0.4s ease, transform 0.6s ease;
}
.product-card:hover img {
    filter: grayscale(0) brightness(1);
    transform: scale(1.03);
}

.product-card__img-wrap {
    overflow: hidden;
    aspect-ratio: 4/5;
    position: relative;
    background: var(--color-bg-surface);
}

.product-card__badge {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    background: var(--color-on-bg);
    color: var(--color-bg);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 3px 8px;
    opacity: 0;
    transition: opacity 0.2s;
    z-index: 2;
}
.product-card:hover .product-card__badge { opacity: 1; }

.product-card__info {
    padding: var(--space-sm);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    border-top: 1px solid var(--color-outline-var);
    background: var(--color-bg-low);
    flex-shrink: 0;
}

/* Featured wall variant (no gutter, hover invert info bar) */
.product-wall-card {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    border-right: 1px solid var(--color-outline);
}
.product-wall-card:last-child { border-right: none; }

.product-wall-card img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    display: block;
    transition: transform 0.7s ease;
}
.product-wall-card:hover img { transform: scale(1.05); }

.product-wall-card__bar {
    position: absolute;
    bottom: 0; left: 0;
    width: 100%;
    padding: var(--space-sm);
    background: var(--color-bg);
    border-top: 1px solid var(--color-outline);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: none;
}
.product-wall-card:hover .product-wall-card__bar {
    background: var(--color-cream);
    color: var(--color-bg);
}


/* =============================================
   TICKER / MARQUEE
   ============================================= */

.ticker-strip {
    overflow: hidden;
    border-top: 1px solid var(--color-outline);
    border-bottom: 1px solid var(--color-outline);
    background: var(--color-bg);
    padding: 12px 0;
    white-space: nowrap;
}

.ticker-track {
    display: inline-flex;
    animation: ticker-scroll 24s linear infinite;
}
.ticker-track:hover { animation-play-state: paused; }

.ticker-item {
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-outline);
    padding: 0 40px;
}

@keyframes ticker-scroll {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}


/* =============================================
   FORMS
   ============================================= */

.form-field { position: relative; }

.form-input-line {
    background: transparent;
    border: none;
    border-bottom: 2px solid var(--color-outline);
    color: var(--color-on-bg);
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 12px 0;
    width: 100%;
    outline: none;
}
.form-input-line::placeholder { color: var(--color-outline); }
.form-input-line:focus { border-bottom-color: var(--color-on-bg); }

.form-input-box {
    background: transparent;
    border: 1px solid var(--color-outline);
    color: var(--color-on-bg);
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 12px 16px;
    width: 100%;
    outline: none;
}
.form-input-box::placeholder { color: var(--color-outline); }
.form-input-box:focus { border-color: var(--color-on-bg); }


/* =============================================
   SIZE SELECTOR
   ============================================= */

.size-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border: 1px solid var(--color-outline);
}

.size-btn {
    padding: var(--space-md);
    text-align: center;
    background: transparent;
    border: none;
    border-right: 1px solid var(--color-outline);
    color: var(--color-on-bg);
    font-family: var(--font-body);
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: none;
}
.size-btn:last-child { border-right: none; }
.size-btn:hover,
.size-btn.is-selected { background: var(--color-on-bg); color: var(--color-bg); }
.size-btn.is-soldout {
    color: var(--color-outline-var);
    cursor: not-allowed;
    text-decoration: line-through;
}

/* =============================================
   QUANTITY CONTROL
   ============================================= */

.qty-control {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--color-outline-var);
}
.qty-btn {
    width: 40px; height: 40px;
    background: none; border: none;
    color: var(--color-on-bg);
    font-size: 18px;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: none;
    border-right: 1px solid var(--color-outline-var);
}
.qty-btn:last-child { border-right: none; border-left: 1px solid var(--color-outline-var); }
.qty-btn:hover { background: var(--color-on-bg); color: var(--color-bg); }
.qty-display {
    width: 48px; height: 40px;
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 700;
}


/* =============================================
   ACCORDION / DETAILS
   ============================================= */

details summary { list-style: none; cursor: pointer; }
details summary::-webkit-details-marker { display: none; }

.accordion-icon { transition: transform 0.2s ease; }
details[open] .accordion-icon { transform: rotate(180deg); }


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

.site-footer {
    background: var(--color-bg-lowest);
    border-top: 1px solid var(--color-outline);
    padding: var(--space-xl) var(--space-margin);
}


/* =============================================
   CHIP / TAG
   ============================================= */

.chip {
    display: inline-block;
    background: var(--color-outline);
    color: var(--color-on-bg);
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 3px 8px;
}


/* =============================================
   IMAGE FALLBACK
   ============================================= */

.img-bg { background-color: var(--color-bg-low); }


/* =============================================
   SECTION DIVIDERS
   ============================================= */

.section-border { border-bottom: 1px solid var(--color-outline); }
.section-border-top { border-top: 1px solid var(--color-outline); }


/* =============================================
   SCROLL REVEAL
   ============================================= */

.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }


/* =============================================
   BREADCRUMB
   ============================================= */

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-outline);
    padding: var(--space-sm) var(--space-margin);
    border-bottom: 1px solid var(--color-outline);
}
.breadcrumb a { color: var(--color-outline); }
.breadcrumb a:hover { color: var(--color-on-bg); }
.breadcrumb span:last-child { color: var(--color-on-bg); }


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

@media (max-width: 768px) {
    :root { --space-margin: 20px; --header-h: 60px; }

    .site-nav { display: none; }
    .hamburger-btn { display: flex; }

    .site-footer { padding: var(--space-lg) var(--space-margin); }

    .product-wall-card img { height: 300px; }

    .size-btn { padding: var(--space-sm); font-size: 16px; }
}

@media (max-width: 480px) {
    .btn-primary.hero-cta { padding: 16px 32px; }
}