/* ==========================================================================
   NEPSYS - Ultra-Premium Brand Landing Page Styles
   ========================================================================== */

/* --- Variables --- */
:root {
    /* Colors */
    --bg-color: #050505; /* Deep, rich black */
    --text-primary: #f0f0f0;
    --text-secondary: #a0a0a0;
    --accent-gold: #D4AF37;
    --accent-gold-glow: rgba(212, 175, 55, 0.3);
    --glass-bg: rgba(255, 255, 255, 0.02);
    --glass-border: rgba(212, 175, 55, 0.1);
    --glass-border-hover: rgba(212, 175, 55, 0.4);
    
    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    
    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- Reset & Base --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.text-gradient {
    background: linear-gradient(135deg, #FFF 0%, var(--accent-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 600px;
}

.section-header {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 4rem;
}

/* --- Layout --- */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 8rem 0;
    position: relative;
    z-index: 2;
}


/* --- Background Effects --- */
.background-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: 1;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.4;
    transition: transform 0.1s linear;
}

.orb-1 {
    top: -10%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-gold), transparent 70%);
}

.orb-2 {
    bottom: -20%;
    right: -10%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, #5a4915, transparent 70%);
}

.orb-3 {
    top: 40%;
    left: 40%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.5), transparent 70%);
    opacity: 0.2;
}

/* --- UI Components --- */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    border-radius: 4px;
    transition: var(--transition-fast);
    text-transform: uppercase;
    position: relative;
    overflow: hidden;
    border: 1px solid transparent;
}

.btn-gold {
    background-color: var(--accent-gold);
    color: #000;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.2);
}

.btn-gold:hover {
    background-color: #fff;
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.4);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-primary);
    border-color: var(--glass-border);
}

.btn-outline:hover {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 2.5rem;
    transition: var(--transition-slow);
}

.glass-card:hover {
    border-color: var(--glass-border-hover);
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 20px var(--accent-gold-glow);
}

/* --- Header --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 100;
    transition: var(--transition-fast);
    border-bottom: 1px solid transparent;
}

.header.scrolled {
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    padding: 1rem 0;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-logo {
    height: 40px;
    width: auto;
    object-fit: contain;
    /* Optional: If the background is white, mix-blend-mode: multiply might remove the white but leaves black.
       Given the site has a black background, the image needs to be transparent.
       Assuming the user uploaded a transparent image or is okay with it. */
}

.nav {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    transition: var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--accent-gold);
    transition: width var(--transition-fast);
}

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

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

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

/* --- Hero Section --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 120px;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-tagline {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 90%;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    border-top: 1px solid var(--glass-border);
    padding-top: 2rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--accent-gold);
    display: flex;
    align-items: center;
    gap: 0.2rem;
}

.stat-number i {
    font-size: 1.5rem;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-cards {
    position: relative;
    height: 500px;
}

.floating-card {
    position: absolute;
    width: 260px;
    animation: float 6s ease-in-out infinite;
}

.floating-card:nth-child(1) {
    top: 0;
    right: 10%;
    animation-delay: 0s;
}

.floating-card:nth-child(2) {
    top: 35%;
    left: 0;
    animation-delay: -2s;
}

.floating-card:nth-child(3) {
    bottom: 0;
    right: 20%;
    animation-delay: -4s;
}

.card-icon {
    font-size: 2.5rem;
    color: var(--accent-gold);
    margin-bottom: 1rem;
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: 0;
}

.card-underline {
    width: 0;
    height: 2px;
    background-color: var(--accent-gold);
    margin-top: 1rem;
    transition: width var(--transition-fast);
}

.floating-card:hover .card-underline {
    width: 40px;
}

@keyframes float {
    0% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0); }
}

/* --- Services Section --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.service-card {
    position: relative;
    padding-top: 4rem;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s ease, border-color 0.4s ease;
    border: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 20px rgba(212, 175, 55, 0.15);
    border-color: rgba(212, 175, 55, 0.3);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.service-card:hover::before {
    opacity: 1;
}

.service-number {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.1);
    transition: color 0.4s ease, transform 0.4s ease;
}

.service-card:hover .service-number {
    color: var(--accent-gold);
    transform: scale(1.1);
}

.service-icon {
    font-size: 3.5rem;
    color: var(--accent-gold);
    margin-bottom: 1.5rem;
    display: inline-block;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), text-shadow 0.4s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.15) rotate(5deg);
    text-shadow: 0 0 15px rgba(212, 175, 55, 0.5);
}

.service-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    transition: color 0.3s ease;
}

.service-card:hover .service-title {
    color: var(--accent-gold);
}

.service-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* --- About Section --- */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
}

.about-visual {
    position: relative;
}

.decorative-block {
    padding: 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.decorative-icon {
    font-size: 3rem;
    color: var(--accent-gold);
    margin-bottom: 1rem;
}

.ampersand {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-heading);
    font-size: 15rem;
    color: rgba(255, 255, 255, 0.03);
    z-index: -1;
    font-style: italic;
}

.decorative-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.decorative-desc {
    color: var(--text-secondary);
}

.about-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    scroll-margin-top: 100px; /* Fix for sticky header */
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.feature-icon {
    color: var(--accent-gold);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.feature-item span {
    color: var(--text-secondary);
}

.feature-item strong {
    color: var(--text-primary);
    font-weight: 500;
}

/* --- Portfolio Section --- */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.portfolio-item {
    group: hover;
}

.portfolio-image {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    aspect-ratio: 4/3;
    margin-bottom: 1.5rem;
}

.img-placeholder {
    width: 100%;
    height: 100%;
    transition: transform var(--transition-slow);
}

.portfolio-item:hover .img-placeholder {
    transform: scale(1.05);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.overlay-arrow {
    font-size: 2rem;
    color: #000;
    background: var(--accent-gold);
    padding: 1rem;
    border-radius: 50%;
    transform: translate(-20px, 20px);
    transition: transform var(--transition-fast);
}

.portfolio-item:hover .overlay-arrow {
    transform: translate(0, 0);
}

.portfolio-tag {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-gold);
    display: block;
    margin-bottom: 0.5rem;
}

.portfolio-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.portfolio-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* --- Testimonials Section --- */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.stars {
    color: var(--accent-gold);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    display: flex;
    gap: 0.2rem;
}

.testimonial-quote {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-style: italic;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
    border-top: 1px solid var(--glass-border);
    padding-top: 1.5rem;
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid var(--accent-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    color: var(--accent-gold);
    font-weight: 600;
}

.author-name {
    font-size: 1rem;
    margin-bottom: 0.2rem;
}

.author-role {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* --- Contact Section --- */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
}

.contact-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 3rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
}

.contact-icon-wrapper {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--accent-gold);
}

.contact-text {
    display: flex;
    flex-direction: column;
}

.contact-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.3rem;
}

.contact-text a, .contact-text span:not(.contact-label) {
    font-size: 1.2rem;
    font-family: var(--font-heading);
    transition: color var(--transition-fast);
}

.contact-text a:hover {
    color: var(--accent-gold);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.premium-social {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(145deg, #111, #000);
    box-shadow:  5px 5px 10px #020202, 
                 -5px -5px 10px #121212,
                 inset 0 0 0 1px rgba(212, 175, 55, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s ease;
    text-decoration: none;
}

.premium-social i {
    font-size: 1.8rem;
    background: linear-gradient(135deg, #D4AF37 0%, #FFF 50%, #8a7122 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5));
    transition: all 0.4s ease;
}

.premium-social:hover {
    transform: translateY(-5px);
    box-shadow:  0 10px 20px rgba(0,0,0,0.8), 
                 inset 0 0 0 1px rgba(212, 175, 55, 0.8),
                 0 0 15px rgba(212, 175, 55, 0.3);
}

.premium-social:hover i {
    transform: scale(1.1);
    filter: drop-shadow(0 0 8px rgba(212, 175, 55, 0.6));
}


.contact-form-wrapper {
    padding: 3rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    padding: 1rem;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-gold);
}

.w-100 {
    width: 100%;
}

/* --- Footer --- */
.footer {
    border-top: 1px solid var(--glass-border);
    padding: 5rem 0 2rem;
    background: rgba(5, 5, 5, 0.5);
    backdrop-filter: blur(10px);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-desc {
    color: var(--text-secondary);
    margin-top: 1.5rem;
    max-width: 300px;
}

.footer-heading {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-link {
    color: var(--text-secondary);
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--accent-gold);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.heart-icon {
    color: var(--accent-gold);
    margin: 0 0.2rem;
}

/* --- Utilities & Animations --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* --- Responsive Design --- */
@media (max-width: 1024px) {
    .hero-title { font-size: 3.5rem; }
    .hero-container, .about-container, .contact-container {
        gap: 3rem;
    }
    .services-grid, .portfolio-grid, .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav {
        display: none; /* Hide for mobile by default, toggled via JS */
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(5, 5, 5, 0.95);
        backdrop-filter: blur(15px);
        flex-direction: column;
        padding: 2rem;
        border-bottom: 1px solid var(--glass-border);
        text-align: center;
    }
    .nav.active { display: flex; }
    
    .mobile-menu-btn { display: block; }
    
    .header-inquire-btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }
    
    .hero-container, .about-container, .contact-container {
        grid-template-columns: 1fr;
    }
    
    .hero { padding-top: 150px; text-align: center; }
    .hero-actions { justify-content: center; }
    .hero-stats { justify-content: center; }
    
    .hero-cards {
        height: auto;
        display: flex;
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }
    .floating-card {
        position: relative;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        width: 100%;
        max-width: 300px;
        animation: none; /* Disable float on mobile */
    }
    
    .services-grid, .portfolio-grid, .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

}