/* ===========================================
   LAYOUT - Header, Footer, Container, Nav
   =========================================== */

/* ===========================================
   CONTAINER
   =========================================== */

.container {
    max-width: 1280px;
    margin: 20px auto;
    padding: 0 20px;
}

.container-narrow {
    max-width: 900px;
    margin: 30px auto;
    padding: 0 20px;
}

/* ===========================================
   TOP BAR
   =========================================== */

.top-bar {
    background-color: #ffffff;
    border-bottom: 1px solid #e5e5e5;
    padding: 8px 0;
    font-size: 12px;
}

.top-bar.bg-gray {
    background-color: #f7f7f7;
}

.top-bar-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
}

.top-bar a {
    color: #020000;
    text-decoration: none;
    margin: 0 10px;
}

.top-bar a:hover {
    text-decoration: underline;
}

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

.main-header {
    background-color: #fff;
    padding: 14px 0;
    border-bottom: none;
    box-shadow: 0 1px 8px rgba(0,0,0,0.07);
    position: sticky;
    top: 0;
    z-index: 100;
}

.main-header.bg-gray {
    background-color: #f7f7f7;
}

.header-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    gap: 20px;
}

@keyframes logo-slam {
    0%   { transform: scale(1)    skewX(0deg); }
    20%  { transform: scale(1.08) skewX(-2deg); filter: brightness(1.25); }
    50%  { transform: scale(0.97) skewX(0.8deg); }
    75%  { transform: scale(1.02) skewX(0deg); }
    100% { transform: scale(1)    skewX(0deg); filter: brightness(1); }
}

.logo {
    font-family: 'Impact', 'Arial Narrow', Arial, sans-serif;
    font-size: 0;
    color: #c41e3a;
    text-decoration: none;
    display: inline-flex;
    flex-direction: column;
    line-height: 1;
    letter-spacing: 0.07em;
    will-change: transform;
    cursor: pointer;
}

.logo::before {
    content: 'GRAPPLE';
    font-size: 43px;
    display: block;
}

.logo::after {
    content: 'TRADE';
    font-size: 32px;
    display: block;
}

.logo:hover,
.logo.logo--pop {
    animation: logo-slam 0.45s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
    text-decoration: none;
}

.search-container {
    flex: 1;
    display: flex;
    gap: 10px;
}

.header-links a {
    color: #333;
    text-decoration: none;
    margin-left: 20px;
    font-size: 14px;
}

/* ===========================================
   NAVIGATION BAR
   =========================================== */

.nav-bar {
    background-color: #fff;
    border-bottom: 1px solid #f0f0f0;
    padding: 10px 0;
}

.nav-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    gap: 24px;
}

.nav-content a {
    color: #333;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
}

.nav-content a:hover {
    color: #3665f3;
    text-decoration: none;
}

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

.breadcrumb {
    background-color: #fff;
    padding: 12px 0;
    border-bottom: 1px solid #e5e5e5;
    font-size: 13px;
}

.breadcrumb-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

.breadcrumb a {
    color: #3665f3;
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

/* ===========================================
   BANNER (Home page)
   =========================================== */

.banner {
    background: linear-gradient(135deg, #4f6ef7 0%, #6d3fc8 100%);
    color: white;
    padding: 64px 40px;
    border-radius: 16px;
    margin-bottom: 32px;
    text-align: center;
}

.banner h1 {
    font-size: 42px;
    margin-bottom: 14px;
    color: white;
    letter-spacing: -0.03em;
}

.banner p {
    font-size: 19px;
    margin-bottom: 28px;
    opacity: 0.9;
}

.banner-btn {
    background-color: white;
    color: #4f6ef7;
    border: none;
    padding: 14px 36px;
    font-size: 15px;
    font-weight: 700;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.18s ease;
    letter-spacing: 0.01em;
}

.banner-btn:hover {
    background-color: #f0f4ff;
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(0,0,0,0.15);
}

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

.footer {
    background-color: #fff;
    border-top: 1px solid #ebebeb;
    padding: 48px 0 24px;
    margin-top: 60px;
}

.footer-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-column h3 {
    font-size: 14px;
    margin-bottom: 12px;
    color: #333;
}

.footer-column a {
    display: block;
    color: #6b7280;
    text-decoration: none;
    font-size: 12px;
    margin-bottom: 8px;
    transition: color 0.15s;
}

.footer-column a:hover {
    color: #111;
    text-decoration: none;
}

.footer-bottom {
    text-align: center;
    color: #707070;
    font-size: 12px;
    padding-top: 20px;
    border-top: 1px solid #e5e5e5;
}

/* ===========================================
   SIDEBAR (Search page)
   =========================================== */

.sidebar {
    width: 260px;
    background: #fff;
    padding: 20px;
    border-radius: 12px;
    height: fit-content;
    box-shadow: 0 1px 6px rgba(0,0,0,0.06);
}

.filter-section {
    margin-bottom: 24px;
}

.filter-title {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid #e5e5e5;
}

.filter-option {
    margin: 8px 0;
    font-size: 14px;
}

.filter-option input {
    margin-right: 8px;
}

.filter-option label {
    cursor: pointer;
}

.price-inputs {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}

.price-inputs input {
    width: 100%;
    padding: 6px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.apply-btn {
    background-color: #3665f3;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    margin-top: 8px;
    font-size: 13px;
}

.apply-btn:hover {
    background-color: #2348c5;
}

/* ===========================================
   RESULTS AREA (Search page)
   =========================================== */

.results-area {
    flex: 1;
}

.results-header {
    background: #fff;
    padding: 14px 20px;
    border-radius: 10px;
    margin-bottom: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.05);
}

.results-count {
    font-size: 16px;
    color: #333;
}

.sort-by {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sort-by select {
    padding: 8px 12px;
    border: 1.5px solid #e0e0e0;
    border-radius: 8px;
    font-size: 13px;
    font-family: inherit;
    background: #fff;
    cursor: pointer;
    transition: border-color 0.15s;
}

.sort-by select:focus {
    outline: none;
    border-color: #3665f3;
    box-shadow: 0 0 0 3px rgba(54, 101, 243, 0.12);
}

/* ===========================================
   FLEXBOX LAYOUTS
   =========================================== */

.flex-container {
    display: flex;
    gap: 20px;
}

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

@media (max-width: 768px) {
    /* Hide top utility bar — too many buttons on small screens */
    .top-bar {
        display: none;
    }

    /* Containers */
    .container,
    .container-narrow {
        padding: 0 12px;
        margin: 12px auto;
    }

    /* Header */
    .header-content {
        flex-wrap: wrap;
        gap: 8px;
        padding: 0 14px;
    }

    /* Logo — scale down pseudo-elements */
    .logo::before {
        font-size: 28px;
    }

    .logo::after {
        font-size: 21px;
    }

    .search-container {
        width: 100%;
        order: 3;
        gap: 8px;
    }

    .search-input {
        font-size: 16px; /* prevents iOS zoom on focus */
    }

    /* Nav: scroll horizontally instead of wrapping or overflowing */
    .nav-content {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        flex-wrap: nowrap;
        gap: 16px;
        padding-bottom: 4px;
        scrollbar-width: none;
        padding: 0 14px 4px;
    }

    .nav-content::-webkit-scrollbar {
        display: none;
    }

    /* Banner */
    .banner {
        padding: 30px 16px;
        border-radius: 4px;
        margin-bottom: 16px;
    }

    .banner h1 {
        font-size: 26px;
    }

    .banner p {
        font-size: 15px;
        margin-bottom: 16px;
    }

    /* Layout */
    .flex-container {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
    }

    /* Grids */
    .products-grid,
    .products {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .categories {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }

    /* Results header — stack on mobile */
    .results-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        padding: 12px 14px;
    }

    .sort-by {
        width: 100%;
    }

    .sort-by select {
        flex: 1;
        width: 100%;
    }

    /* Breadcrumb */
    .breadcrumb {
        font-size: 12px;
    }

    /* Footer */
    .footer {
        margin-top: 30px;
        padding-bottom: 72px; /* space for bottom nav */
    }

    .footer-links {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .header-content {
        padding: 0 10px;
    }

    .logo::before {
        font-size: 24px;
    }

    .logo::after {
        font-size: 18px;
    }

    .products-grid,
    .products {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

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

    .banner {
        padding: 24px 12px;
    }

    .banner h1 {
        font-size: 22px;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }
}