/* ============================================
   XTREME METAL WORX - OPTIMIZED STYLESHEET
   Consolidated and efficient CSS with minimal classes
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Lato:wght@300;400;700&display=swap');

/* ============================================
   CSS VARIABLES (Custom Properties)
   ============================================ */
:root {
    --color-primary: #006ab1;
    --color-primary-dark: #004d82;
    --color-dark: #2f2f2f;
    --color-light-gray: #f9f9f9;
    --color-mid-gray: #4d4d4d;
    --color-white: #ffffff;
    --color-black: #000000;
    
    --font-family: 'Lato', sans-serif;
    --font-size-base: 14pt;
    --font-size-large: 18pt;
    --font-size-xlarge: 24pt;
    
    --spacing-sm: 10px;
    --spacing-md: 20px;
    --spacing-lg: 50px;
    --spacing-xl: 100px;
    
    --transition-speed: 0.3s;
    --border-radius: 4px;
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    height: 100%;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-dark);
    overflow-x: hidden;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    text-transform: uppercase;
    letter-spacing: 1.25px;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: var(--font-size-xlarge);
    color: var(--color-primary);
}

h2 {
    font-size: var(--font-size-large);
}

h3 {
    font-size: 16pt;
}

p {
    letter-spacing: 1.25px;
    margin-bottom: var(--spacing-md);
}

a {
    color: inherit;
    text-decoration: none;
    transition: all var(--transition-speed) ease;
}

ul {
    list-style: none;
}

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

/* ============================================
   LAYOUT UTILITIES
   ============================================ */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}

.container-narrow {
    width: 65%;
    margin: 0 auto;
}

.section {
    padding: var(--spacing-xl) 0;
}

.text-center {
    text-align: center;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: var(--color-white);
    padding: 8px 16px;
    z-index: 100;
    transition: top 0.3s;
}

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

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--color-primary);
    font-size: 12pt;
    font-weight: 700;
    letter-spacing: 1.25px;
    color: var(--color-primary);
    text-transform: uppercase;
    text-align: center;
    background: transparent;
    cursor: pointer;
    transition: all 0.25s ease;
}

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

.btn-white {
    border-color: var(--color-white);
    color: var(--color-white);
}

.btn-white:hover {
    background: var(--color-white);
    color: var(--color-primary);
}

.gallery-buttons {
    width: 100%;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}

/* ============================================
   HEADER
   ============================================ */
header {
    position: relative;
    height: 700px;
    background: url(../images/backgrounds/01.webp) no-repeat center fixed;
    background-size: cover;
}

header.subpage {
    height: 400px;
}

/* ============================================
   NAVIGATION
   ============================================ */
nav {
    padding: var(--spacing-md) 0;
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
}

nav ul {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
}

nav a {
    font-size: 14pt;
    font-weight: 400;
    text-transform: uppercase;
    color: var(--color-white);
    letter-spacing: 1.25px;
    padding: 5px 0;
    border-bottom: 2px solid transparent;
}

nav a:hover,
nav a:focus {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

nav a[aria-current="page"],
nav a.active {
    color: var(--color-primary);
    font-weight: 700;
}

/* Mobile menu button */
.menu-toggle {
    display: none;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(0, 0, 0, 0.7);
    position: sticky;
    top: 0;
    text-align: right;
    border: none;
    cursor: pointer;
    color: var(--color-white);
}

.menu-toggle img {
    width: 40px;
    height: 40px;
    display: inline-block;
}

/* ============================================
   HEADER CONTENT
   ============================================ */
.header-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 65%;
    text-align: center;
    padding-top: 75px;
}

.header-content img {
    max-width: 90%;
    margin: 0 auto;
}

/* Service category icons */
.service-icons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    padding-top: var(--spacing-lg);
    width: 65%;
    margin: 0 auto;
}

.service-icon {
    text-align: center;
}

.service-icon img {
    width: 40px;
    margin: 0 auto var(--spacing-sm);
}

.service-icon h3 {
    font-size: 14pt;
    font-weight: 400;
    color: var(--color-white);
    letter-spacing: 1.25px;
    text-transform: uppercase;
}

/* ============================================
   SERVICE BLOCKS (Flex Grid)
   ============================================ */
.service-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: 20px;
}

.service-card {
    padding: var(--spacing-lg) var(--spacing-md);
    min-height: 600px;
    background-size: cover;
    background-position: center;
    background-blend-mode: multiply;
    transition: background-color 0.3s ease;
}

.service-card:hover {
    background-color: #111 !important;
}

.service-card h2,
.service-card h3 {
    font-size: var(--font-size-xlarge);
    color: var(--color-white);
}

.service-card p,
.service-card li {
    font-size: 15pt;
    letter-spacing: 1.25px;
    line-height: 1.4;
    margin-top: var(--spacing-md);
    color: var(--color-white);
}

.service-card ul {
    padding-left: 0;
}

.service-card li {
    margin-left: 25px;
    list-style-position: inside;
}

/* Individual service backgrounds */
.service-welding {
    background-image: url(../images/thumbs/welding-service.webp);
    background-color: #888;
}

.service-fabrication {
    background-image: url(../images/thumbs/metal-sheets.webp);
    background-color: #555;
}

.service-repair {
    background-image: url(../images/thumbs/welding-repair.webp);
    background-color: #222;
}

.service-mobile {
    background-image: url(../images/thumbs/mobile.webp);
    background-color: #222;
}

.service-custom {
    background-image: url(../images/thumbs/custom-fabrication.webp);
    background-color: #222;
}

.service-design {
    background-image: url(../images/thumbs/design.webp);
    background-color: #222;
}

.service-rolling {
    background-image: url(../images/thumbs/rolling.webp);
    background-color: #222;
}

.service-shearing {
    background-image: url(../images/thumbs/shearing.webp);
    background-color: #222;
}

.service-braking {
    background-image: url(../images/thumbs/braking.webp);
    background-color: #222;
}

.service-installation {
    background-image: url(../images/thumbs/installation.webp);
    background-color: #222;
}

.service-railing {
    background-image: url(../images/thumbs/installation.webp);
    background-color: #222;
}

/* ============================================
   IMAGE GRID
   ============================================ */
.image-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2px;
    margin-bottom: var(--spacing-md);
}

.image-grid img {
    width: 100%;
    height: 100%;
    border: 2px solid var(--color-white);
    object-fit: cover;
}

.image-grid-thirds {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
}

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

.image-grid-fifths {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
}

.showcase .image-grid-fifths {
    gap: 2px;
}

.showcase .image-grid-fifths img {
    width: 100%;
}

/* ============================================
   GALLERY
   ============================================ */
.gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.gallery-item {
    position: relative;
    height: 350px;
    overflow: hidden;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.3s ease;
}

.gallery-item:hover img {
    opacity: 0.7;
}

.gallery-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 300px;
    background: url(../images/gallery/watermark.webp) no-repeat top left;
    background-size: cover;
    opacity: 0.3;
    pointer-events: none;
}

.gallery-item h3 {
    position: absolute;
    width: 100%;
    margin: auto;
    bottom: 0;
    background: var(--color-white);
    padding: 10px;
}

.gallery-item:hover h3 {
    color: var(--color-primary);
}

#gallery-heading {
    margin-top: var(--spacing-md);
}

/* ============================================
   RAILINGS SECTION
   ============================================ */
.railings-section {
    background: url(../images/backgrounds/metal-railings.webp) no-repeat center fixed;
    background-size: cover;
    background-color: #222;
    background-blend-mode: multiply;
    padding: var(--spacing-xl) 0;
    text-align: center;
    transition: background-color 0.3s ease;
}

.railings-section:hover {
    background-color: #111;
}

.railings-section h2,
.railings-section p {
    color: var(--color-white);
}

.railings-gallery {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.railing-card {
    display: inline-block;
    padding: 0 0 var(--spacing-md);
    border: 2px solid var(--color-white);
    text-align: center;
    transition: all 0.25s ease;
}

.railing-card img {
    width: 100%;
    margin-bottom: var(--spacing-sm);
    opacity: 0.5;
    transition: opacity 0.3s ease;
}

.railing-card span {
    display: block;
    font-size: 12pt;
    font-weight: 700;
    letter-spacing: 1.25px;
    color: var(--color-white);
    text-transform: uppercase;
}

.railing-card:hover {
    background: var(--color-white);
}

.railing-card:hover span {
    color: var(--color-primary);
}

.railing-card:hover img {
    opacity: 1;
}

/* ============================================
   FOOTER
   ============================================ */
footer {
    background: var(--color-primary);
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.footer-column img {
    width: 40px;
    margin: 0 auto var(--spacing-sm);
}

.footer-column p,
.footer-column address {
    font-size: 12pt;
    color: var(--color-white);
    letter-spacing: 1.25px;
    font-style: normal;
}

.footer-column a:hover {
    color: var(--color-black);
    text-decoration: underline;
}

.footer-credits {
    margin-top: var(--spacing-lg);
}

.footer-credits img {
    height: 40px;
    margin: 0 auto;
}

/* ============================================
   INSTAGRAM/WORK SHOWCASE
   ============================================ */
.showcase {
    background: var(--color-primary);
    text-align: center;
}

.showcase-header {
    position: relative;
    padding: var(--spacing-lg) 0;
}

.showcase-header img {
    margin: 0 auto var(--spacing-sm);
}

.showcase-header h2 {
    font-size: 22pt;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 1.25px;
}

.showcase-arrow {
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 40px solid transparent;
    border-right: 40px solid transparent;
    border-top: 30px solid var(--color-primary);
}

/* ============================================
   CONTACT FORM
   ============================================ */
.contact-form {
    max-width: 600px;
    margin: var(--spacing-lg) auto;
    padding: var(--spacing-md);
    border: 3px solid var(--color-primary);
}

.form-group {
    margin-bottom: var(--spacing-md);
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 700;
}

.form-control {
    width: 100%;
    padding: var(--spacing-sm);
    border: 3px solid var(--color-primary);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    color: #555;
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

/* ============================================
   MOBILE MODAL
   ============================================ */
.mobile-menu {
    display: none;
    position: fixed;
    z-index: 900;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding: var(--spacing-lg) 0;
    overflow-y: auto;
    background: url(../images/thumbs/metal-sheets.webp) no-repeat center;
    background-size: cover;
    background-color: #333;
    background-blend-mode: multiply;
}

.mobile-menu[open] {
    display: block;
}

.mobile-menu-content {
    margin: auto;
    padding: var(--spacing-lg) var(--spacing-md);
    max-width: 500px;
    text-align: center;
    animation: slideIn 0.4s ease-out;
}

.mobile-menu img {
    width: 90%;
    max-width: 300px;
    margin: 0 auto var(--spacing-lg);
}

.mobile-menu ul {
    list-style: none;
}

.mobile-menu li {
    margin: 15px 0;
}

.mobile-menu a {
    font-size: 18pt;
    font-weight: 400;
    color: var(--color-white);
    letter-spacing: 1.25px;
    text-transform: uppercase;
}

.menu-close {
    position: absolute;
    top: 10px;
    right: 30px;
    width: 40px;
    height: 40px;
    background: url(../images/icons/close.svg) no-repeat center;
    background-size: contain;
    border: none;
    cursor: pointer;
    line-height: 1;
    padding: 0;
}

.menu-close:hover {
    color: var(--color-primary);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1400px) {
    .container-narrow {
        width: 75%;
    }
    
    .header-content,
    .service-icons {
        width: 75%;
    }
    
    .image-grid-fifths {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 1200px) {
    .container-narrow {
        width: 85%;
    }
    
    .header-content,
    .service-icons {
        width: 85%;
    }
}

@media (max-width: 1024px) {
    .container-narrow {
        width: 95%;
    }
    
    .header-content,
    .service-icons {
        width: 95%;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .gallery {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .gallery-item {
        height: 300px;
    }
    .gallery-item::after {
        height: 250px;
    }
}

@media (max-width: 960px) {
    header {
        background-attachment: scroll;
    }
    
    .railings-section {
        background-attachment: scroll;
    }
    
    header nav {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
        flex-direction: row;
        justify-content: flex-end;
        align-items: center;
        gap: 10px;
    }
    
    .menu-toggle p {
        margin-top: 20px;
    }

    .mobile-menu nav {
        background: transparent;
        backdrop-filter: none;
    }

    .mobile-menu nav ul {
        display: block;
    }

    .mobile-menu a {
        font-size: 14pt;
    }
    
    .service-grid {
        grid-template-columns: 1fr;
    }
    
    .service-card {
        min-height: auto;
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .image-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .image-grid-fifths {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 750px) {
    :root {
        --font-size-base: 12pt;
    }

    header {
        background: url(../images/backgrounds/hero-mobile.webp) no-repeat center;
        background-size: cover;
    }
    
    .service-icons {
        grid-template-columns: repeat(2, 1fr);
        padding-top: 25px;
    }
    
    .service-icon h3 {
        font-size: 10pt;
    }
    
    .gallery {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .image-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    header {
        height: auto;
    }
    
    header.subpage {
        height: auto;
    }
    
    .header-content {
        position: relative;
        top: auto;
        left: auto;
        transform: none;
        padding: var(--spacing-lg) 0;
        width: 90%;
        margin: auto;
    }
    
    .header-content img {
        width: 100%;
        max-width: none;
    }
    
    .service-icons {
        display: none;
    }
    
    .section {
        padding: var(--spacing-lg) 0;
    }
    
    .image-grid-fifths {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 500px) {
    .railings-gallery {
        flex-direction: column;
        align-items: center;
    }
    
    .railing-card {
        width: 100%;
    }
    
    .gallery {
        grid-template-columns: 1fr;
    }
    
    .gallery-item {
        height: 250px;
    }
    .gallery-item::after {
        height: 200px;
    }

    .service-welding {
        background: url(../images/thumbs/welding-service-mobile.webp) no-repeat center #888;
        background-size: cover;
    }

    .service-fabrication {
        background: url(../images/thumbs/metal-sheets-mobile.webp) no-repeat center #888;
        background-size: cover;
    }
}

@media (max-width: 414px) {
    .image-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    nav,
    .menu-toggle,
    .mobile-menu,
    footer {
        display: none;
    }
    
    header {
        height: auto;
        background: none;
    }
    
    .service-card {
        background: none;
        color: var(--color-dark);
        border: 1px solid #ccc;
    }
    
    .service-card h2,
    .service-card h3,
    .service-card p,
    .service-card li {
        color: var(--color-dark);
    }
}