/* ================================
   GLOBAL STYLES & VARIABLES
   ================================ */
:root {
    --color-primary: #FFEA00;
    --color-primary-dark: #ffffff;
    --color-dark: #222;
    --color-text: #FF0000;
    --color-light: #FF0000;
    --color-border: #ddd;
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 40px;
    --max-width: 1200px;
    --transition-speed: 0.3s ease;
}

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

html,
body {
    height: 100%;
    margin: 0;
    display: flex;
    flex-direction: column;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: #fff;
}

main {
    flex: 1;
    /* pushes footer down */
}

/* ================================
   ACCESSIBILITY
   ================================ */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background-color: #000;
    color: #fff;
    padding: 8px;
    text-decoration: none;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

a:focus,
button:focus,
input:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ================================
   TYPOGRAPHY
   ================================ */
h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--color-dark);
}

h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--color-primary);
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

h4 {
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

p {
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

strong {
    font-weight: 600;
    color: var(--color-dark);
}

/* ================================
   BUTTONS
   ================================ */
.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: bold;
    border: none;
    cursor: pointer;
    transition: all var(--transition-speed);
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--color-text);
    color: var(--color-text);
    border: 2px solid #fff;
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--color-text);
    color: #fff;
}

.btn-secondary {
    background-color: var(--color-primary);
    color: #fff;
}

.btn-secondary:hover,
.btn-secondary:focus {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}


/* ================================
   BACK BUTTON 
   ================================ */

.back-button {
    display: inline-block;     /* shrink to content */
    width: 10%;    /* prevent full-width */
    flex: 0 0 auto;    /* stop flex expansion */
    margin: var(--spacing-md) 0;    /* vertical spacing */
    margin-left: var(--spacing-md);    /* left margin */
    background-color: var(--color-text);
    color: #fff;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 4px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color var(--transition-speed);
}

.back-button:hover {
    background-color: var(--color-primary-dark);
}

/* ================================
   HERO SECTION
   ================================ */
.hero-image {
    position: relative;
    width: 100%;
    height: 500px;
    background-color: #f0f0f0;
    overflow: hidden;
}

.slideshow {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    display: none;
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.slide.active {
    display: block;
    animation: fadeIn 0.5s;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.slide img {
    width: 100%;
    height: auto;
    max-height: 100%;
    object-fit: contain;
    display: block;
    margin: 0 auto;
}

.brand-name {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    max-width: 100%;
    color: #fff;
    background: rgba(0, 0, 0, 0.7);
    padding: 10px 20px;
    text-align: center;
    font-size: 1.3rem;
    font-weight: bold;
    border-radius: 4px;
}

.container {
    gap: 20px;
    display: flex;     /* Divide into two parts */
    align-items: flex-start;
    margin: 20px auto;
    padding: 20px;
    max-width: 1200px;
    background: #ffffff;
    border: 2px solid var(--color-text);     /* Border for the container */
    border-radius: 8px;     /* Rounded corners */
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    flex-wrap: wrap;     /* Responsive stacking */
    height: 500px;    /* Fixed height */
    overflow: hidden;    /* Hide overflow */
}

.container h3 {
    width: 100%;
    text-align: center;     /* Center aligned title */
    font-size: 1.8em;
    margin-bottom: 20px;
    color: var(--color-text);
    border-bottom: 3px solid var(--color-text);
    padding-bottom: 8px;
}

.container-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container-image img {
    width: 100%;
    max-width: 350px;
    height: auto;     /*border: 2px solid var(--color-text);  /* Border for the image */
    border-radius: 12px;
    object-fit: cover;
}

.container-details {
    flex: 1;
    overflow-y: auto;           /* Scroll if content exceeds height */
    padding: 30px;
}

.container-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.container-list li {
    background: #FFFF8F;
    margin-bottom: 10px;
    padding: 10px 14px;
    border-left: 5px solid var(--color-text);
    border-right: 5px solid var(--color-text);
    border-radius: 6px;
    font-size: 1.05em;
    font-weight: bold;
    color: #333;
    transition: background 0.3s ease;
}

.container-list li:hover {
    background: #e2e8f0;
}

/* ================================
   CATEGORIES 
   ================================ */
.categories {
    padding: var(--spacing-lg) var(--spacing-md);
    background-color: #fff;
    text-align: center;
}

.categories h2 {
    color: var(--color-text);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    justify-items: center;
    align-items: stretch;
}

.category-card {
    background: var(--color-light);
    border-radius: 8px;
    padding: var(--spacing-lg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all var(--transition-speed);
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
    max-width: 300px;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.category-card img {
    width: 100%;
    height: 180px;
    object-fit: contain;
    margin-bottom: var(--spacing-md);
    border-radius: 6px;
    background-color: #fff;
}

.category-card h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.category-card p {
    flex-grow: 1;
    font-size: 0.95rem;
    margin-bottom: var(--spacing-md);
}

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

.product-section {
    max-width: var(--max-width);
    margin: var(--spacing-xl) auto;
    padding: 0 var(--spacing-md);
}

.product-section h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 30px;
    color: var(--color-primary);
    font-weight: 600;
    letter-spacing: 0.5px;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    justify-items: center;
    align-items: stretch;
}

.product-item {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: var(--spacing-md);
    text-align: center;
    transition: all var(--transition-speed);
    width: 100%;
    max-width: 220px;
    display: flex;
    flex-direction: column;
}

.product-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.product-item img {
    width: 100%;
    height: 200px;
    object-fit: contain;
    margin-bottom: var(--spacing-md);
    border-radius: 4px;
    background-color: var(--color-light);
}

.product-item h3 {
    font-size: 1rem;
    color: var(--color-dark);
    line-height: 1.4;
    margin-bottom: var(--spacing-sm);
}

/* ================================
   ABOUT US SECTION
   ================================ */

.about-us {
    background-color: #ffffff;
    padding: var(--spacing-xl);
    margin: var(--spacing-xl);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.about-us h1 {
    text-align: center;
    color: var(--color-text);
    margin-top: 0;
    margin-bottom: 0.5rem; /* Adjust this value */
}

.about-us p {
    font-size: 1.5rem;
    line-height: 1.6;
    color: var(--color-text);
}

.about-us a {
    color: var(--color-primary);
    text-decoration: none;
}

.about-us a:hover,
.about-us a:focus {
    text-decoration: underline;
}

/* ================================
   CONTACT US SECTION
   ================================ */

.contact-us {
    background-color: #ffffff;
    padding: var(--spacing-xl) var(--spacing-md);
    margin: var(--spacing-xl) auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.contact-us h1 {
    text-align: center;
    color: var(--color-text);
    border-bottom: 3px solid var(--color-text);
    padding-bottom: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.contact-info {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-md) var(--spacing-lg);
    max-width: 600px;
    margin: 0 auto;
}

.contact-info dt {
    font-weight: bold;
    color: var(--color-dark);
}

.contact-info dd {
    margin: 0;
    color: var(--color-text);
}

.contact-info a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: bold;
}

.contact-info a:hover,
.contact-info a:focus {
    text-decoration: underline;
}

.address {
  max-width: 400px;
  margin: 20px auto;
  padding: 20px;
  border: 2px solid var(--color-text);
  border-radius: 10px;
  background: #f9fafb;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  text-align: center;          /* Center align content */
}

.address h3 {
  font-size: 1.6em;
  margin-bottom: 10px;
  color: var(--color-text);
  border-bottom: 2px solid var(--color-text);
  padding-bottom: 6px;
}

.address p {
  font-size: 1.1em;
  margin: 10px 0 15px;
  color: #374151;
}

.address a {
  display: inline-block;
  padding: 10px 18px;
  background: var(--color-light);
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
  font-weight: 600;
  transition: background 0.3s ease;
}

.address a:hover {
  background: var(--color-light);
}


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

/* Tablet (768px and below) */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .category-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--spacing-md);
    }

    .product-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: var(--spacing-md);
    }

    .hero-image {
        height: 350px;
    }

    .about-us,
    .contact-us {
        padding: var(--spacing-lg) var(--spacing-md);
        margin: var(--spacing-lg) auto;
    }
}

/* Mobile (576px and below) */
@media (max-width: 576px) {
    :root {
        --spacing-xl: 20px;
        --spacing-lg: 16px;
    }

    h1 {
        font-size: 1.5rem;
    }

    h2 {
        font-size: 1.2rem;
    }

    body {
        font-size: 14px;
    }

    .category-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .product-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: var(--spacing-sm);
    }

    .product-item {
        padding: var(--spacing-sm);
    }

    .product-item img {
        height: 150px;
    }

    .hero-image {
        height: 250px;
    }

    .brand-name {
        font-size: 1rem;
        padding: 10px;
    }

    .contact-info {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
}

/* Tablet (768px and below) */
@media (max-width: 768px) {
    .back-button {
        margin-left: var(--spacing-sm);
        /* smaller left margin */
        margin-top: var(--spacing-sm);
        font-size: 0.95rem;
        padding: var(--spacing-sm) var(--spacing-md);
    }
}

/* Mobile (576px and below) */
@media (max-width: 576px) {
    .back-button {
        display: block;
        /* full row */
        width: 100%;
        /* button spans full width */
        margin: var(--spacing-sm) 0;
        /* vertical spacing only */
        text-align: center;
        /* center text inside button */
        font-size: 0.9rem;
        padding: var(--spacing-sm);
    }
}

/* ==========================
   Tablet (≤992px)
========================== */
@media (max-width: 992px) {

    .container {
        padding: 18px;
        gap: 18px;
        height: auto;
    }

    .container-image img {
        max-width: 300px;
    }

    .container-details {
        padding: 20px;
        overflow-y: visible;
    }
}

/* ==========================
   Mobile (768px and below)
========================== */
@media (max-width: 768px) {

    .container {
        display: flex;
        flex-direction: column;
        height: auto;
        margin: 15px;
        padding: 15px;
        gap: 20px;
    }

    .container h3 {
        width: 100%;
        font-size: 1.5rem;
        margin-bottom: 10px;
    }

    .container-image {
        order: 1;
        width: 100%;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .container-image img {
        width: 100%;
        max-width: 320px;
        height: auto;
    }

    .container-details {
        order: 2;
        width: 100%;
        padding: 0;
        overflow: visible;
    }

    .container-list li {
        font-size: 1rem;
    }
}

/* ==========================
   Small Mobile (480px and below)
========================== */
@media (max-width: 480px) {

    .container {
        margin: 10px;
        padding: 12px;
        gap: 15px;
    }

    .container h3 {
        font-size: 1.3rem;
    }

    .container-image img {
        max-width: 100%;
    }

    .container-list li {
        font-size: 0.95rem;
        padding: 8px 10px;
    }
}