/* ============================================
   The Apex Circle - Public Website Styles
   ============================================ */

/* Header & Navigation */
.header {
    background-color: transparent;
    position: fixed;
    top: 0;
    z-index: 1000;
    width: 100%;
    max-width: 100%;
    transition: all 0.3s ease;
}

.header.scrolled {
    background-color: var(--bg-white);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    border-bottom: 2px solid #000000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    width: 100%;
    max-width: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    transition: var(--transition);
}

.logo:hover {
    transform: scale(1.05) rotate(2deg);
}

.logo-icon {
    height: 60px;
    width: auto;
    flex-shrink: 0;
    /* filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2)); Removed to allow mix-blend-mode */
    display: flex;
    align-items: center;
}

.logo-icon img {
    height: 100%;
    width: auto;
    object-fit: contain;
    display: block;
    border-radius: 8px;
    /* Transform Black-on-White to White-on-Transparent */
    filter: grayscale(1) invert(1);
    mix-blend-mode: screen;
    transition: all 0.3s ease;
}

.header.scrolled .logo-icon img {
    /* Restore Original (Black-on-White) and hide White BG */
    filter: none;
    mix-blend-mode: multiply;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
    font-family: var(--font-logo);
    font-weight: 900;
    text-transform: uppercase;
    color: #ffffff; /* White text initially */
    letter-spacing: 0.02em;
    transition: color 0.3s ease;
}

.header.scrolled .logo-text {
    color: #000000;
}

.logo-text-top {
    font-size: 0.65rem;
    letter-spacing: 0.1em;
}

.logo-text-middle {
    font-size: 1.4rem;
    letter-spacing: 0.05em;
    font-weight: 900;
}

.logo-text-bottom {
    font-size: 0.65rem;
    letter-spacing: 0.1em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-menu li a {
    color: #ffffff; /* White text initially */
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    transition: var(--transition);
    position: relative;
}

.header.scrolled .nav-menu li a {
    color: var(--text-primary);
}

/* Header Button Styles */
.header .btn-secondary {
    color: #ffffff;
    border-color: #ffffff;
    transition: all 0.3s ease;
}

.header.scrolled .btn-secondary {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.header .btn-secondary:hover {
    background-color: #ffffff;
    color: var(--primary-color);
}

.header.scrolled .btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--text-light);
}

/* Mobile Toggle Base Style */
.mobile-menu-toggle {
    display: none; /* Hidden on desktop */
    background: none;
    border: none;
    color: #ffffff;
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.3s ease;
}

.header.scrolled .mobile-menu-toggle {
    color: #000000;
}

.nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-menu li a:hover::after {
    width: 100%;
}

.nav-menu li a:hover {
    color: var(--primary-color);
}

.nav-menu li a.active {
    color: var(--primary-color);
}

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

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-primary);
}

/* Hero Section */
.hero {
    position: relative;
    color: var(--text-light);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    padding: 0;
}

/* Hero Background with Fixed Effect */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0,0,0,0.2), rgba(0,0,0,0.3)), url('../assets/images/hero-bg-performance.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed; /* Fix image during scroll */
    z-index: -1;
    /* animation: heroZoom 20s ease-in-out infinite alternate; - Removed to enable fixed background */
}

@keyframes heroZoom {
    0% { transform: scale(1); }
    100% { transform: scale(1.15); }
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 150px;
    background: linear-gradient(to top, var(--bg-off-white), transparent);
    z-index: 1;
}

.hero h1 {
    color: var(--text-light);
    font-size: 4.5rem; /* Larger for impact */
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
    text-shadow: 0 4px 15px rgba(0,0,0,0.8);
    animation: fadeInUp 1s ease-out;
    position: relative;
    z-index: 2;
}

.hero p {
    color: #ffffff;
    font-size: 1.4rem;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    line-height: 1.8;
    text-shadow: 0 2px 8px rgba(0,0,0,0.8);
    font-weight: 500;
    animation: fadeInUp 1s ease-out 0.2s backwards;
    position: relative;
    z-index: 2;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.4s backwards;
    position: relative;
    z-index: 2;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Section Styles */
.section {
    padding: var(--spacing-xl) 0;
    width: 100%;
    max-width: 100%;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.section-title h2 {
    display: inline-block;
    position: relative;
    margin-bottom: var(--spacing-sm);
}

.section-title h2::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background: var(--accent-color);
    margin: 10px auto 0;
    transition: width 0.3s ease;
}

.section-title:hover h2::after {
    width: 100px;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    text-align: center;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-color);
    transform: scaleX(0);
    transition: transform 0.3s ease;
    transform-origin: left;
}

.feature-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
    border-color: var(--accent-color);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    display: inline-block;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 50%;
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    background: var(--primary-color);
    color: var(--text-light);
    transform: rotateY(180deg) scale(1.1);
}

.feature-card h3 {
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

/* Reveal Animation Class */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Team Member Images */
.team-member-image {
    width: 200px;
    height: 200px;
    margin: 0 auto var(--spacing-md);
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid #000000;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.team-member-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: var(--transition);
}

.team-member-image:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 16px rgba(0,0,0,0.3);
    border-color: var(--accent-color);
}

.team-member-image:hover img {
    transform: scale(1.1);
}

.team-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
}

.team-image-placeholder .feature-icon {
    font-size: 4rem;
    margin: 0;
    background: none;
}

/* DTS Logo Styling */
.dts-logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.dts-logo-container img {
    max-width: 300px;
    height: auto;
    transition: var(--transition);
    border-radius: 8px;
}

.dts-logo-container:hover img {
    transform: scale(1.05);
}

.dts-logo-display {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
    border-radius: 8px;
    padding: var(--spacing-md);
    border: 2px solid #000000;
    transition: var(--transition);
}

.dts-logo-display:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

.dts-logo-display img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.feature-card h3 {
    color: #000000;
    margin-bottom: var(--spacing-sm);
    font-weight: 900;
}

/* Process Steps */
.process-steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    max-width: 800px;
    margin: 0 auto;
}

.step-card {
    display: flex;
    gap: var(--spacing-md);
    background: var(--bg-white);
    padding: var(--spacing-md);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    align-items: flex-start;
    border-left: 4px solid var(--primary-color);
    transition: var(--transition);
}

.step-card:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
    border-left-color: var(--accent-color);
}

.step-number {
    background: var(--primary-color);
    color: var(--text-light);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 1.2rem;
    flex-shrink: 0;
    transition: var(--transition);
}

.step-card:hover .step-number {
    background: var(--accent-color);
    transform: rotate(360deg);
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    color: var(--text-light);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
}

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

.footer-section h3 {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    position: relative;
    padding-bottom: var(--spacing-xs);
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--accent-color);
}

.footer-section p {
    color: rgba(255,255,255,0.8);
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    display: block;
    color: rgba(255,255,255,0.8);
    transition: var(--transition);
    margin-bottom: var(--spacing-xs);
    width: fit-content;
}

.footer-section a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
}

/* Video Section */
.video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    border: 4px solid #000;
    background: #000;
    transition: var(--transition);
}

.video-wrapper:hover {
    transform: scale(1.02);
    box-shadow: 0 30px 60px rgba(0,0,0,0.4);
    border-color: var(--accent-color);
}

.video-wrapper iframe,
.video-wrapper video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    object-fit: cover;
}

/* Responsive */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 3.5rem;
    }
    
    .nav-menu {
        gap: var(--spacing-sm);
    }
}

@media (max-width: 1200px) {
    .navbar {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .logo-icon {
        height: 40px;
    }
    
    .logo-text-middle {
        font-size: 1.1rem;
    }
    
    .logo-text-top, .logo-text-bottom {
        font-size: 0.5rem;
    }
    
    /* Mobile Menu */
    .mobile-menu-toggle {
        display: block;
        z-index: 1001;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--bg-white);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        border-top: 1px solid var(--border-color);
        animation: slideDown 0.3s ease-out forwards;
        gap: 0;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu li {
        width: 100%;
        border-bottom: 1px solid var(--bg-light);
    }
    
    .nav-menu li:last-child {
        border-bottom: none;
    }
    
    .nav-menu li a {
        display: block;
        padding: var(--spacing-md) var(--spacing-sm);
        width: 100%;
        color: var(--text-primary); /* Ensure visible on white mobile menu */
    }
    
    .nav-menu li a:hover {
        background-color: var(--bg-light);
        padding-left: var(--spacing-md);
    }
    
    .nav-menu li a::after {
        display: none; /* Remove underline effect on mobile */
    }
}

@media (max-width: 768px) {
    /* Hero Adjustments */
    .hero {
        min-height: auto;
        padding: 120px 0 80px; /* Account for fixed header */
        background-color: #000; /* Black background for letterboxing */
        position: relative;
        z-index: 0;
    }

    .hero::before {
        /* Reset background to just the image, no gradient, to ensure visibility */
        background: url('../assets/images/hero-bg-performance.jpg') no-repeat top center;
        /* Fit width 100%, height auto (preserves aspect ratio) */
        background-size: 100% auto; 
        background-attachment: fixed; /* Fix image during scroll on mobile */
        /* Ensure it sits properly */
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: -1;
        opacity: 1; /* Ensure opacity is full */
        animation: none;
    }

    .hero h1 {
        font-size: 2.5rem;
        line-height: 1.2;
    }
    
    .hero p {
        font-size: 1.1rem;
        padding: 0 var(--spacing-md);
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
        padding: 0 var(--spacing-md);
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    /* Grid Adjustments */
    .features-grid,
    .footer-content {
        grid-template-columns: 1fr;
        padding: 0 var(--spacing-md);
    }
    
    .section-title {
        padding: 0 var(--spacing-md);
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
    
    /* Video Section */
    .video-wrapper {
        border-width: 2px;
        border-radius: 8px;
    }
    
    /* DTS Logo */
    .dts-logo-container img {
        max-width: 100%;
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}