/* ----------------------------------------------------
   Nex Atlas Labs - Premium Monochromatic Styling
   ---------------------------------------------------- */

:root {
    /* Color Palette */
    --color-bg: #0b0b0b;
    --color-surface-base: #121212;
    --color-surface-hover: #1c1c1c;
    --color-text-primary: #f5f5f7;
    --color-text-secondary: #8e8e93;
    --color-border: #2c2c2e;
    --color-border-hover: #ffffff;
    --color-accent: #ffffff;
    --color-accent-inverse: #000000;
    
    /* Layout & Spacing */
    --container-max-width: 1200px;
    --font-primary: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    
    /* Transitions */
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
    background-color: var(--color-bg);
    color: var(--color-text-primary);
    font-family: var(--font-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* Typography Selection Styling */
::selection {
    background-color: var(--color-text-primary);
    color: var(--color-bg);
}

.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background-color: rgba(11, 11, 11, 0.8);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo-wrapper {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 0.75rem;
}

.logo-icon {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.25);
    transition: var(--transition-smooth);
}

.logo-wrapper:hover .logo-icon {
    transform: scale(1.05);
    border-color: var(--color-accent);
}

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

.logo-title {
    color: var(--color-text-primary);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.logo-subtitle {
    color: var(--color-text-secondary);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

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

/* Hero Section */
.hero {
    position: relative;
    padding-top: 180px;
    padding-bottom: 120px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 85vh;
}

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

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.04em;
    margin-bottom: 2rem;
    color: var(--color-text-primary);
}

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin-bottom: 3rem;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

/* Background Effects */
.hero-background-effects {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.grid-line {
    position: absolute;
    background-color: var(--color-border);
    opacity: 0.4;
}

.grid-v-1 {
    left: 20%;
    top: 0;
    width: 1px;
    height: 100%;
}

.grid-v-2 {
    left: 80%;
    top: 0;
    width: 1px;
    height: 100%;
}

.grid-h-1 {
    top: 80%;
    left: 0;
    width: 100%;
    height: 1px;
}

/* General Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-smooth);
    cursor: pointer;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-accent-inverse);
    border: 1px solid var(--color-accent);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--color-text-primary);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(255, 255, 255, 0.05);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

.btn-nav {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    border-radius: 6px;
    background-color: var(--color-text-primary);
    color: var(--color-bg);
}

.btn-nav:hover {
    background-color: var(--color-surface-hover);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

/* Products Section */
.products {
    padding: 120px 0;
    border-top: 1px solid var(--color-border);
    background-color: #080808;
}

.section-tagline {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.75rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 550px;
    margin-bottom: 4rem;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
}

.product-card {
    background-color: var(--color-surface-base);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(400px circle at var(--x, 0px) var(--y, 0px), rgba(255,255,255,0.06), transparent 80%);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.5s ease;
}

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

.product-card:hover {
    border-color: rgba(255,255,255,0.3);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.app-icon {
    width: 68px;
    height: 68px;
    border-radius: 16px;
    overflow: hidden;
    background-color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255,255,255,0.1);
}

.app-name {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-text-primary);
}

.app-tagline {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.card-body {
    margin-bottom: 3rem;
    flex-grow: 1;
}

.app-description {
    color: var(--color-text-secondary);
    font-size: 1.05rem;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.app-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.app-features li {
    display: flex;
    align-items: start;
    gap: 0.75rem;
}

.feature-bullet {
    color: var(--color-text-primary);
    font-weight: bold;
}

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

.btn-card-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 1rem;
    background-color: var(--color-accent);
    color: var(--color-accent-inverse);
    font-weight: 600;
    text-decoration: none;
    border-radius: 10px;
    border: 1px solid var(--color-accent);
    transition: var(--transition-smooth);
}

.btn-card-action:hover {
    background-color: transparent;
    color: var(--color-text-primary);
}

.arrow-icon {
    width: 18px;
    height: 18px;
    transition: transform 0.3s ease;
}

.btn-card-action:hover .arrow-icon {
    transform: translateX(4px);
}

/* About / Philosophy Section */
.about {
    padding: 120px 0;
    border-top: 1px solid var(--color-border);
    background-color: var(--color-bg);
}

.about-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
}

.about-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.about-text {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.about-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.about-card {
    background-color: var(--color-surface-base);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transition: var(--transition-fast);
}

.about-card:hover {
    border-color: rgba(255,255,255,0.15);
    background-color: var(--color-surface-hover);
}

.about-card-icon {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.about-card-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.about-card-desc {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* Contact CTA Section */
.contact {
    padding: 120px 0;
    background-color: #080808;
    border-top: 1px solid var(--color-border);
}

.contact-box {
    background-color: var(--color-surface-base);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 5rem 2rem;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.contact-title {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    margin-bottom: 1.5rem;
}

.contact-subtitle {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    max-width: 500px;
    margin: 0 auto 3rem auto;
}

.btn-cta {
    display: inline-block;
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
    background-color: var(--color-text-primary);
    color: var(--color-bg);
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    transition: var(--transition-smooth);
    border: 1px solid var(--color-text-primary);
}

.btn-cta:hover {
    background-color: transparent;
    color: var(--color-text-primary);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255,255,255,0.06);
}

/* Footer Section */
.footer {
    padding: 40px 0;
    border-top: 1px solid var(--color-border);
    background-color: var(--color-bg);
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.footer-right {
    display: flex;
    gap: 2rem;
}

.footer-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

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

/* Reveal Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Responsive Styling */
@media (max-width: 968px) {
    .hero-title {
        font-size: 3.5rem;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about-wrapper {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .contact-title {
        font-size: 2.25rem;
    }
}

@media (max-width: 640px) {
    .header-container {
        height: 70px;
    }
    
    .nav-links {
        display: none; /* simple stack could also be used, but for minimalist portfolio we keep header minimal */
    }
    
    .hero {
        padding-top: 140px;
        padding-bottom: 80px;
    }
    
    .hero-title {
        font-size: 2.75rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .product-card {
        padding: 2rem;
    }
    
    .contact-box {
        padding: 3rem 1.5rem;
    }
    
    .footer-container {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
    
    .footer-right {
        justify-content: center;
    }
}

/* Legal & Support Pages Styling */
.legal-section {
    padding-top: 160px;
    padding-bottom: 120px;
    min-height: 80vh;
}

.legal-content {
    max-width: 800px;
    margin: 0 auto;
}

.legal-content h1 {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 2rem;
}

.legal-content h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.legal-content p {
    color: var(--color-text-secondary);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.legal-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
    color: var(--color-text-secondary);
}

.legal-content li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.legal-content a {
    color: var(--color-text-primary);
    text-decoration: underline;
    transition: var(--transition-fast);
}

.legal-content a:hover {
    color: var(--color-text-secondary);
}