/* ==========================================================================
   Sports Tech United - Main Styles
   ========================================================================== */

:root {
    --primary: #1a4d3a;
    --accent: #d4ff50;
    --bg: #fbfbf9;
    --text: #1a4d3a;
    --surface: #ffffff;
    --spacing-container: 6vw;
}

/* ==========================================================================
   Base & Reset
   ========================================================================== */

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

::selection {
    background: var(--primary);
    color: var(--accent);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Space Grotesk', sans-serif;
    background-color: var(--bg);
    background-image: url('../images/background.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    color: var(--text);
    overflow-x: hidden;
    opacity: 0;
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(251, 251, 249, 0.85);
    z-index: -1;
    pointer-events: none;
}

/* ==========================================================================
   Typography
   ========================================================================== */

h1, h2, h3, h4, .nav-link, .brand-name, .value-title, .mv-title {
    font-family: 'Bebas Neue', sans-serif;
    text-transform: uppercase;
    line-height: 0.9;
}

.display-text {
    font-size: clamp(4rem, 15vw, 11rem);
    letter-spacing: -0.02em;
    color: var(--primary);
    margin-left: -0.05em;
    text-shadow: 2px 2px 0px rgba(255,255,255,0.5);
}

p {
    font-size: 1.125rem;
    line-height: 1.7;
    font-weight: 400;
}

/* ==========================================================================
   Layout Utilities
   ========================================================================== */

.container {
    padding: 0 var(--spacing-container);
    max-width: 1800px;
    margin: 0 auto;
}

.section-padding {
    padding-top: 5rem;
    padding-bottom: 5rem;
}

/* ==========================================================================
   Header
   ========================================================================== */

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 2rem var(--spacing-container);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 200; /* Higher than overlay to keep button clickable */
    transition: all 0.4s ease;
}

header.scrolled {
    padding: 2rem var(--spacing-container);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(26, 77, 58, 0.05);
}

header.scrolled .brand,
header.scrolled .nav-link {
    color: var(--primary);
}

header.scrolled .mobile-menu-btn span {
    background-color: var(--primary);
}

.brand {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: #fff;
    transition: color 0.4s ease;
    position: relative;
    padding-left: 60px; /* Space for absolute positioned logo */
}

.logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
    position: absolute;
    left: 0;
    transition: opacity 0.4s ease;
}

/* White logo visible by default, green hidden */
.logo-white {
    opacity: 1;
}

.logo-green {
    opacity: 0;
}

/* When scrolled: hide white, show green */
header.scrolled .logo-white {
    opacity: 0;
}

header.scrolled .logo-green {
    opacity: 1;
}

.brand-name {
    font-size: 1.5rem;
    letter-spacing: 0.05em;
    display: block;
}

@media (max-width: 400px) {
    .brand-name {
        font-size: 1.2rem;
    }
}

/* ==========================================================================
   Mobile Navigation
   ========================================================================== */

.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 201; /* Keep above header content */
}

.mobile-menu-btn span {
    width: 100%;
    height: 2px;
    background-color: #fff;
    transition: all 0.3s ease;
}

/* Fix: Make menu button visible on light overlay */
.mobile-menu-btn.active span {
    background-color: var(--primary) !important;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--bg);
    z-index: 150;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    transform: translateY(-100%);
    transition: transform 0.5s cubic-bezier(0.77, 0, 0.175, 1);
}

.mobile-nav-overlay.active {
    transform: translateY(0);
}

.mobile-nav-link {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 3rem;
    color: var(--primary);
    text-decoration: none;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.mobile-nav-overlay.active .mobile-nav-link {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   Desktop Navigation
   ========================================================================== */

nav {
    display: none;
}

@media(min-width: 768px) {
    nav {
        display: flex;
        gap: 2.5rem;
    }
    
    .mobile-menu-btn {
        display: none;
    }
    
    .mobile-nav-overlay {
        display: none;
    }
}

.nav-link {
    color: #fff;
    text-decoration: none;
    font-size: 1.25rem;
    position: relative;
    overflow: hidden;
    display: block;
    transition: color 0.4s ease;
}

.nav-link span {
    display: block;
    transition: transform 0.4s cubic-bezier(0.19, 1, 0.22, 1);
}

.nav-link::after {
    content: attr(data-text);
    position: absolute;
    top: 100%;
    left: 0;
    display: block;
    width: 100%;
    transition: transform 0.4s cubic-bezier(0.19, 1, 0.22, 1);
    color: var(--accent);
    text-shadow: 1px 1px 0 var(--primary);
}

.nav-link:hover span {
    transform: translateY(-100%);
}

.nav-link:hover::after {
    transform: translateY(-100%);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
    min-height: 95vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 6rem;
    position: relative;
    background-image: url('../images/sport-visual-08.jpg');
    background-size: cover;
    background-position: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.2);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero .container {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero .display-text {
    color: #fff;
    text-shadow: none;
}

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    display: block;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #fff;
    opacity: 1;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.hero-subtitle span {
    display: block;
}

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    right: var(--spacing-container);
    display: flex;
    align-items: center;
    gap: 1rem;
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.25rem;
    opacity: 0;
    color: #fff;
    z-index: 2;
}

.line {
    width: 60px;
    height: 2px;
    background: #fff;
}

/* ==========================================================================
   Intro Section (About)
   ========================================================================== */

.intro {
    background: var(--primary);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.intro-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem; /* Reduced gap */
}

@media(min-width: 992px) {
    .intro-grid {
        grid-template-columns: 1.8fr 1fr;
    }
}

.intro-text {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem); /* Slightly smaller max size */
    line-height: 1.2;
    font-weight: 300;
}

.highlight {
    color: var(--accent);
    font-weight: 400;
}

.intro-detail p {
    opacity: 0.85;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.mission-vision-grid {
    display: grid;
    gap: 3rem;
    margin-top: 4rem; /* Reduced top margin */
    border-top: 1px solid rgba(255,255,255,0.2);
    padding-top: 3rem; /* Reduced padding */
}

@media(min-width: 768px) {
    .mission-vision-grid {
        grid-template-columns: repeat(12, 1fr);
        align-items: start;
    }
    
    .mv-item {
        grid-column: span 12;
    }
}

@media(min-width: 992px) {
    .mv-item.mission {
        grid-column: 1 / 6;
    }
    
    .mv-item.vision {
        grid-column: 7 / 13;
        margin-top: 0;
    }
}

.mv-title {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 1rem;
}

/* ==========================================================================
   Core Values Section
   ========================================================================== */

.core-values {
    background-color: var(--surface);
    position: relative;
    padding-bottom: 4rem;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem; /* Reduced top margin */
}

.value-item {
    background: var(--bg);
    padding: 2rem;
    border-radius: 4px;
    border: 1px solid rgba(26, 77, 58, 0.05);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.value-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    border-color: var(--accent);
}

.value-number {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 8rem; /* Watermark size */
    color: var(--primary);
    opacity: 0.05; /* Subtle watermark opacity */
    line-height: 1;
    position: absolute;
    top: -10px;
    right: 10px;
    z-index: 0;
    pointer-events: none;
    margin: 0;
}

.value-title {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 1;
}

.value-item p {
    position: relative;
    z-index: 1;
}

/* ==========================================================================
   Visual Gallery
   ========================================================================== */

.visual-gallery {
    padding: 0;
    margin: 3rem 0 0; /* Remove bottom margin completely, let section padding handle it */
    overflow: hidden;
    width: 100%;
}

.gallery-wrapper {
    display: flex;
    gap: 1.5rem;
    width: max-content;
    padding: 0 2rem;
}

.gallery-item {
    width: 35vw;
    height: 40vh; /* Slightly reduced height */
    flex-shrink: 0;
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

@media(min-width: 768px) {
    .gallery-item {
        width: 25vw;
        height: 45vh;
    }
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(0.8) contrast(1.1);
    transition: transform 0.7s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
    filter: saturate(1) contrast(1);
}

/* Specific override for portfolio top padding to reduce gap after gallery */
#portfolio.section-padding {
    padding-top: 2rem;
}

.portfolio-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 2rem; /* Reduced bottom margin */
    border-bottom: 2px solid rgba(26, 77, 58, 0.1);
    padding-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1.5rem; /* Reduced gap */
}

.section-title {
    font-size: clamp(3rem, 8vw, 5rem); /* Slightly smaller max size */
    color: var(--primary);
}

.portfolio-list {
    display: flex;
    flex-direction: column;
}

.portfolio-item {
    border-bottom: 1px solid rgba(26, 77, 58, 0.1);
    transition: all 0.4s ease;
    position: relative;
}

.portfolio-link {
    display: flex;
    flex-direction: column;
    align-items: center; /* Center on mobile */
    padding: 2.5rem 0; /* Reduced padding */
    text-decoration: none;
    color: var(--primary);
    position: relative;
    z-index: 1;
    gap: 1.5rem;
    text-align: center; /* Center text on mobile */
}

@media (max-width: 768px) {
    .portfolio-link {
        padding: 2rem 0;
    }
    
    .item-number {
        display: none; /* Hide number on mobile */
    }
    
    .logo-container {
        width: 140px;
        height: 80px;
    }

    .item-name {
        font-size: 2.5rem;
    }
}

@media(min-width: 768px) {
    .portfolio-link {
        display: grid;
        grid-template-columns: 220px min-content 1fr 0.5fr; /* Revert arrow column to fractional */
        align-items: center; /* Vertically center everything */
        gap: 1.5rem;
        text-align: left;
        position: relative;
        overflow: hidden;
        padding-left: 2rem; /* Indent everything from left */
    }
    
    /* Add extra spacing after logo to separate it from title and description */
    .portfolio-link .logo-container {
        margin-right: 8rem; /* Even more spacing */
    }

    .item-name {
        writing-mode: vertical-rl;
        transform: rotate(180deg);
        white-space: nowrap;
        margin: 0;
        font-size: 1.5rem !important;
        letter-spacing: 0.02em; /* Normal spacing */
        text-align: center; /* Center text vertically within its column */
        line-height: 0.9;
        height: auto;
        max-height: none;
        display: block;
    }
    
    /* Desktop hover: Text stays static, no color change if unwanted */
    .portfolio-item:hover .item-name {
        transform: rotate(180deg) !important; /* Force static rotation */
        /* removed color change if green was too faint or unwanted */
    }
    
    /* Ensure height for vertical text */
    .portfolio-item {
        min-height: 200px;
    }
}

.item-number {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 15rem;
    color: var(--primary);
    opacity: 0.03;
    font-weight: 400;
    position: absolute;
    right: -2rem;
    bottom: -4rem;
    left: auto;
    top: auto;
    z-index: 0;
    line-height: 0.8;
    pointer-events: none;
    display: block !important;
}

.logo-container {
    position: relative;
    z-index: 1;
    width: 180px;
    height: 100px;
    background: #fff;
    border-radius: 12px;
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    transition: all 0.4s ease;
    border: 1px solid rgba(0,0,0,0.05);
}

.item-brand-logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: all 0.4s ease;
    opacity: 1;
}

.portfolio-item:hover .logo-container {
    transform: scale(1.1) rotate(2deg);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
    border-color: rgba(0,0,0,0);
}

.portfolio-item:hover .item-brand-logo {
    transform: scale(1.05);
}

.item-name {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(2rem, 3.5vw, 3rem); /* Smaller font size */
    line-height: 1;
    transition: transform 0.4s ease;
}

.item-desc {
    font-size: 1.1rem;
    opacity: 0.7;
    max-width: 650px; /* Constrain width */
    transition: all 0.4s ease;
    padding-top: 0;
    position: relative;
    z-index: 1;
}

.item-desc strong {
    display: block; /* Force new line */
    margin-bottom: 0.5rem; /* 8px spacing */
    color: var(--primary);
    line-height: 1.1;
}

.portfolio-item:hover {
    background-color: rgba(255, 255, 255, 0.6);
    padding-left: 2rem;
    padding-right: 2rem;
    margin: 0 -2rem;
    border-color: transparent;
    box-shadow: 0 15px 30px rgba(26, 77, 58, 0.05);
    z-index: 2;
}

/* Mobile hover (only color) */
@media (max-width: 767px) {
    .portfolio-item:hover .item-name {
        color: var(--primary);
        transform: none;
    }
}

.portfolio-item:hover .item-desc {
    opacity: 1;
    color: #000;
}

/* ==========================================================================
   Arrow Icon
   ========================================================================== */

.icon-arrow-container {
    display: none;
    justify-content: flex-end;
    align-self: center; /* Center arrow vertically */
}

@media(min-width: 992px) {
    .icon-arrow-container {
        display: flex;
    }
}

.icon-arrow {
    width: 40px;
    height: 40px;
    transform: rotate(-45deg);
    transition: transform 0.4s ease;
    opacity: 0.3;
}

.portfolio-item:hover .icon-arrow {
    transform: rotate(0);
    opacity: 1;
    color: var(--primary);
}

/* ==========================================================================
   About Us / Team Section
   ========================================================================== */

.about-us {
    background-color: var(--surface);
    padding: 5rem 0; /* Reduced padding */
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem; /* Reduced gap */
}

@media(min-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }
}

.about-content h2 {
    color: var(--primary);
    font-size: clamp(2.5rem, 5vw, 3.5rem); /* Slightly smaller */
    margin-bottom: 1.5rem;
}

.about-content p {
    margin-bottom: 1.25rem;
    opacity: 0.8;
}

/* ==========================================================================
   Footer
   ========================================================================== */

footer {
    background: #0f2d24;
    color: #fff;
    padding: 5rem var(--spacing-container) 3rem; /* Reduced top padding */
}

.footer-cta {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(3rem, 7vw, 5rem); /* Slightly smaller */
    margin-bottom: 3rem;
    line-height: 1;
    max-width: 800px;
}

.footer-cta a {
    color: #fff;
    text-decoration: none;
    border-bottom: 3px solid rgba(212, 255, 80, 0.3);
    transition: all 0.3s;
}

.footer-cta a:hover {
    color: var(--accent);
    border-color: var(--accent);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
    font-size: 0.95rem;
    opacity: 0.6;
}