/* ==============================================
   CSS CUSTOM PROPERTIES (CSS Variables)
   CUSTOMIZE: Change these values to adjust your site's look
   ============================================== */

:root {
    /* COLORS - Your brand palette */
    --color-primary: #626873;        /* Your main brand color - used for accents, buttons, hover states */
    --color-black: #0d0e11;          /* Dark cool-gray backgrounds (orig: #000000) */
    --color-white: #ffffff;          /* Pure white - text on dark, accents */
    --color-gray-dark: #16181d;      /* Secondary section backgrounds (orig: #1a1a1a) */
    --color-gray-medium: #2c2e35;    /* Medium gray - borders, subtle elements (orig: #333333) */
    --color-gray-light: #9aa0ab;     /* Light gray - secondary text (orig: #999999) */
    
    /* TYPOGRAPHY - Font families and sizes */
    --font-display: 'Playfair Display', serif;    /* Elegant serif for headings */
    --font-body: 'Work Sans', sans-serif;         /* Clean sans-serif for body text */
    
    --font-size-xs: 0.875rem;        /* 14px */
    --font-size-sm: 1rem;            /* 16px */
    --font-size-base: 1.125rem;      /* 18px */
    --font-size-lg: 1.5rem;          /* 24px */
    --font-size-xl: 2rem;            /* 32px */
    --font-size-2xl: 2.5rem;         /* 40px */
    --font-size-3xl: 3.5rem;         /* 56px */
    --font-size-4xl: 4.5rem;         /* 72px */
    
    /* SPACING - Consistent spacing scale */
    --spacing-xs: 0.5rem;            /* 8px */
    --spacing-sm: 1rem;              /* 16px */
    --spacing-md: 2rem;              /* 32px */
    --spacing-lg: 4rem;              /* 64px */
    --spacing-xl: 6rem;              /* 96px */
    --spacing-2xl: 8rem;             /* 128px */
    
    /* LAYOUT */
    --container-max-width: 1400px;
    --navbar-height: 80px;
    
    /* TRANSITIONS - Animation timing */
    --transition-fast: 0.2s ease;
    --transition-base: 0.4s ease;
    --transition-slow: 0.6s ease;
    
    /* Z-INDEX - Layer management */
    --z-navbar: 1000;
    --z-overlay: 100;
    --z-content: 1;
}

/* ==============================================
   GLOBAL RESET & BASE STYLES
   ============================================== */

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--navbar-height);
}

body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--color-white);
    background-color: var(--color-black);
    overflow-x: hidden;
}

/* Typography Base */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

p {
    margin-bottom: var(--spacing-sm);
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

ul {
    list-style: none;
}

/* ==============================================
   CONTAINER - Centers content with max-width
   ============================================== */

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

/* ==============================================
   NAVIGATION BAR
   CUSTOMIZE: Adjust navbar height in :root if needed
   ============================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--navbar-height);
    background-color: rgba(12, 12, 12, 0.95);
    backdrop-filter: blur(10px);
    z-index: var(--z-navbar);
    transition: background-color var(--transition-base);
}

.navbar.scrolled {
    background-color: rgba(12, 12, 12, 0.98);
    box-shadow: 0 2px 20px rgba(98, 104, 115, 0.1);
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    margin-left: -1.5rem;
    padding: 6px 0;
}

.logo-img {
    height: 60px;
    width: 60px;
    object-fit: contain;
}

/* If using text logo instead of image */
.logo-text {
    font-family: var(--font-display);
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: 1px;
}

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

.nav-link {
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    font-weight: 400;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--color-white);
    position: relative;
    transition: color var(--transition-fast);
}

/* Hover effect - underline animation */
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-base);
}

.nav-link:hover {
    color: var(--color-primary);
    opacity: 0.85;
}

.nav-link:hover::after {
    width: 100%;
}

/* Mobile menu toggle button */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.nav-toggle span {
    width: 28px;
    height: 2px;
    background-color: var(--color-white);
    transition: all var(--transition-base);
}

/* ==============================================
   HERO SECTION
   CUSTOMIZE: Background image set in HTML inline style
   ============================================== */

.hero-section {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: var(--z-content);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.3) 0%,
        rgba(0, 0, 0, 0.6) 100%
    );
    z-index: calc(var(--z-content) + 1);
}

.hero-content {
    position: relative;
    z-index: calc(var(--z-content) + 2);
    text-align: center;
    max-width: 900px;
    padding: 0 var(--spacing-md);
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    font-weight: 300;
    color: var(--color-gray-light);
    margin-bottom: var(--spacing-lg);
    letter-spacing: 1px;
}

/* CTA Button - reusable class */
.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background-color: var(--color-primary);
    color: var(--color-white);
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 2px solid var(--color-primary);
    cursor: pointer;
    transition: all var(--transition-base);
}

.cta-button:hover {
    background-color: transparent;
    color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(98, 104, 115, 0.3);
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    z-index: calc(var(--z-content) + 2);
}

.scroll-indicator span {
    display: block;
    width: 2px;
    height: 40px;
    background-color: var(--color-primary);
    animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {
    0%, 100% {
        opacity: 0;
        transform: translateY(-20px);
    }
    50% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==============================================
   SECTION HEADERS - Reusable component
   ============================================== */

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray-light);
    font-weight: 300;
}

/* ==============================================
   PORTFOLIO SECTION
   ============================================== */

.portfolio-section {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-black);
}

/* Filter Buttons */
.filter-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

/* Sport sub-filter row — hidden by default, shown when Sports is active */
.sport-filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    max-height: 0;
    overflow: hidden;
    margin-bottom: 0;
    opacity: 0;
    transition: max-height 0.35s ease, opacity 0.3s ease, margin-bottom 0.3s ease;
}

.sport-filters.visible {
    max-height: 200px;
    opacity: 1;
    margin-bottom: var(--spacing-xl);
}

.sport-filter-btn {
    padding: 0.5rem 1.4rem;
    background-color: transparent;
    color: var(--color-gray-light);
    border: 1px solid var(--color-gray-medium);
    font-size: calc(var(--font-size-sm) * 0.9);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: var(--font-body);
}

.sport-filter-btn:hover,
.sport-filter-btn.active {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.filter-btn {
    padding: 0.75rem 2rem;
    background-color: transparent;
    color: var(--color-gray-light);
    border: 2px solid var(--color-gray-medium);
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: var(--font-body);
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

/* Gallery Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: var(--spacing-md);
}

.gallery-item {
    display: block;
    cursor: pointer;
}

.gallery-item-inner {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
    background-color: var(--color-gray-dark);
}

.gallery-item-inner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow), filter var(--transition-slow);
}

/* Hover effect - image scale + brightness */
.gallery-item-inner:hover img {
    transform: scale(1.08);
    filter: brightness(1.1);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: var(--spacing-md);
    background: linear-gradient(
        to top,
        rgba(0, 0, 0, 0.8) 0%,
        transparent 100%
    );
    opacity: 0;
    transition: opacity var(--transition-base);
}

.gallery-item-inner:hover .gallery-overlay {
    opacity: 1;
}

.gallery-title {
    display: block;
    font-size: var(--font-size-base);
    color: var(--color-white);
    font-weight: 600;
    margin-bottom: 4px;
}

.gallery-category {
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

/* Hidden state for filtered items */
.gallery-item.hidden {
    display: none;
}

/* Hidden state for paginated items */
.gallery-item.page-hidden {
    display: none;
}

/* Load More Button */
.load-more-container {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.load-more-btn {
    padding: 1rem 3rem;
    background-color: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-primary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    font-family: var(--font-body);
    transition: all var(--transition-base);
}

.load-more-btn:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

/* ==============================================
   SERVICES SECTION
   ============================================== */

.services-section {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-gray-dark);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    padding: var(--spacing-lg);
    background-color: var(--color-black);
    border: 1px solid var(--color-gray-medium);
    transition: all var(--transition-base);
    text-align: center;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(98, 104, 115, 0.15);
}

.service-icon {
    margin-bottom: var(--spacing-md);
    display: flex;
    justify-content: center;
}

.service-icon svg {
    transition: transform var(--transition-base), stroke var(--transition-base);
}

.service-card:hover .service-icon svg {
    transform: scale(1.15);
    stroke: var(--color-white);
}

.service-title {
    font-size: var(--font-size-xl);
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.service-description {
    font-size: var(--font-size-base);
    color: var(--color-gray-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.service-price {
    font-size: var(--font-size-lg);
    color: var(--color-primary);
    font-weight: 600;
    margin-top: auto;
    padding-top: var(--spacing-md);
}

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

.about-section {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-black);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.about-image img {
    width: 100%;
    height: auto;
    filter: grayscale(30%);
    transition: filter var(--transition-slow);
}

.about-image:hover img {
    filter: grayscale(0%);
}

.about-content .section-title {
    text-align: left;
}

.about-text {
    font-size: var(--font-size-base);
    color: var(--color-gray-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about-credentials {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    border-left: 3px solid var(--color-primary);
    background-color: var(--color-gray-dark);
}

.about-credentials p {
    color: var(--color-white);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.about-credentials ul {
    list-style: disc;
    padding-left: var(--spacing-md);
}

.about-credentials li {
    color: var(--color-gray-light);
    margin-bottom: 0.5rem;
}

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

.contact-section {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-gray-dark);
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.contact-method {
    padding: var(--spacing-md);
    text-align: center;
}

.contact-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    text-align: center;
}

.contact-link {
    display: block;
    font-size: 21px;
    color: var(--color-white);
    font-weight: 600;
    text-align: center;
    overflow-wrap: break-word;
    transition: color var(--transition-fast);
}

.contact-link:hover {
    color: var(--color-primary);
}

.contact-cta {
    margin-top: var(--spacing-lg);
}

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

.footer {
    padding: var(--spacing-lg) 0;
    background-color: var(--color-black);
    border-top: 1px solid var(--color-gray-medium);
}

.footer-text {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-gray-light);
}

/* ==============================================
   SCROLL REVEAL ANIMATION
   Applied via Intersection Observer in JavaScript
   ============================================== */

.reveal-element {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal-element.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ==============================================
   RESPONSIVE DESIGN
   CUSTOMIZE: Adjust breakpoints if needed
   ============================================== */

@media (max-width: 1024px) {
    :root {
        --font-size-4xl: 3rem;
        --font-size-3xl: 2.5rem;
        --font-size-2xl: 2rem;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-4xl: 2.5rem;
        --font-size-3xl: 2rem;
        --spacing-xl: 4rem;
        --spacing-2xl: 6rem;
    }
    
    .nav-menu {
        position: fixed;
        top: var(--navbar-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--navbar-height));
        background-color: rgba(12, 12, 12, 0.98);
        flex-direction: column;
        justify-content: center;
        transition: left var(--transition-base);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-buttons {
        gap: 0.5rem;
    }
    
    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: var(--font-size-xs);
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.75rem;
        --spacing-md: 1rem;
        --spacing-lg: 2rem;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
    }
}