/* ===== CSS Variables ===== */
:root {
    --color-bg-dark: #141e33;
    --color-bg-primary: #141e33;
    --color-bg-secondary: #1a2745;
    --color-bg-card: #1a2745;
    --color-accent: #00b33c;
    --color-accent-hover: #00cc44;
    --color-accent-dark: #009930;
    --color-text-primary: #ffffff;
    --color-text-secondary: #a8b5c9;
    --color-text-muted: #6b7d99;
    --color-border: #2d3f5f;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

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

a:hover {
    color: var(--color-accent-hover);
}

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

/* ===== Container ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 41, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 140px;
}

.nav-logo img {
    height: 120px;
    width: auto;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-menu a {
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

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

.nav-cta {
    background: var(--color-accent);
    color: var(--color-bg-dark) !important;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
}

.nav-cta:hover {
    background: var(--color-accent-hover);
    color: var(--color-bg-dark) !important;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: var(--transition-fast);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 160px 24px 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: #141e33;
    z-index: -1;
}

.hero-content {
    max-width: 800px;
}

.hero-logo {
    height: 360px;
    width: auto;
    margin-bottom: 32px;
}

.hero-tagline {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 16px;
    color: #ffffff;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-bg-dark);
}

.btn-primary:hover {
    background: var(--color-accent-hover);
    color: var(--color-bg-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 179, 60, 0.3);
}

/* ===== Section Styles ===== */
.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

/* ===== Ecosystem Section ===== */
.ecosystem {
    padding: 100px 0;
    background: var(--color-bg-dark);
}

.ecosystem-diagram {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
    padding: 40px 0;
}

.ecosystem-center {
    display: flex;
    justify-content: center;
    margin-bottom: 60px;
}

.ai-hub {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 24px 32px;
    background: linear-gradient(135deg, var(--color-accent-dark), var(--color-accent));
    border-radius: 16px;
    color: var(--color-bg-dark);
    font-weight: 600;
}

.ai-hub svg {
    width: 48px;
    height: 48px;
}

.ecosystem-items {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.ecosystem-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 32px 20px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.ecosystem-item:hover {
    transform: translateY(-8px);
    border-color: var(--color-accent);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.ecosystem-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-secondary);
    border-radius: 12px;
    margin-bottom: 16px;
}

.ecosystem-icon svg {
    width: 32px;
    height: 32px;
    stroke: var(--color-accent);
}

.ecosystem-item h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.ecosystem-item p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.ecosystem-connections {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.5;
}

/* ===== Product Sections ===== */
.product-section {
    padding: 100px 0;
    background: var(--color-bg-primary);
}

.product-section.alt {
    background: var(--color-bg-dark);
}

.product-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.product-content.reverse {
    direction: rtl;
}

.product-content.reverse > * {
    direction: ltr;
}

.product-badge {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(0, 179, 60, 0.15);
    color: var(--color-accent);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 16px;
}

.product-info h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 8px;
}

.product-tagline {
    font-size: 1.125rem;
    color: var(--color-accent);
    margin-bottom: 20px;
}

.product-info > p {
    color: var(--color-text-secondary);
    margin-bottom: 32px;
    font-size: 1.05rem;
}

.feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.feature-list li {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.feature-list svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    stroke: var(--color-accent);
    margin-top: 2px;
}

.feature-list strong {
    display: block;
    font-weight: 600;
    margin-bottom: 2px;
}

.feature-list span {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.product-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.visual-placeholder {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 4/3;
    background: var(--color-bg-card);
    border: 2px dashed var(--color-border);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    color: var(--color-text-muted);
}

.visual-placeholder svg {
    width: 80px;
    height: 80px;
    stroke: var(--color-border);
}

/* ===== Roadmap Callout ===== */
.roadmap-callout {
    margin-top: 32px;
    padding: 24px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
}

.roadmap-callout h4 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
    margin-bottom: 16px;
}

.roadmap-items {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.roadmap-item {
    padding-left: 16px;
    border-left: 3px solid var(--color-border);
}

.roadmap-item.coming-soon {
    border-left-color: #ffc107;
}

.roadmap-item.planned {
    border-left-color: var(--color-text-muted);
}

.roadmap-item strong {
    display: block;
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.roadmap-item.coming-soon strong::after {
    content: ' — Coming Soon';
    font-weight: 400;
    font-size: 0.8rem;
    color: #ffc107;
}

.roadmap-item.planned strong::after {
    content: ' — In Development';
    font-weight: 400;
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.roadmap-item span {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* ===== NiRuLink Section ===== */
.nirulink-section .product-info.full-width {
    grid-column: 1 / -1;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.nirulink-section .product-content {
    display: block;
}

.nirulink-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 60px;
}

.nirulink-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 32px 24px;
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.nirulink-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.nirulink-card-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 179, 60, 0.1);
    border-radius: 12px;
    margin-bottom: 20px;
}

.nirulink-card-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--color-accent);
}

.nirulink-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--color-text-primary);
}

.nirulink-card > p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-bottom: 20px;
    flex-grow: 1;
}

.nirulink-features {
    list-style: none;
    margin-bottom: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
}

.nirulink-features li {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    padding: 6px 0;
    padding-left: 16px;
    position: relative;
}

.nirulink-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
}

.nirulink-status {
    display: inline-block;
    padding: 6px 12px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    align-self: flex-start;
}

.nirulink-status.available {
    background: rgba(0, 179, 60, 0.15);
    color: var(--color-accent);
}

.nirulink-status.coming-soon {
    background: rgba(255, 193, 7, 0.15);
    color: #ffc107;
}

/* ===== AI Section ===== */
.ai-section {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-dark) 100%);
}

.ai-content {
    text-align: center;
}

.ai-content h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 16px;
}

.ai-content > p {
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto 60px;
    font-size: 1.1rem;
}

.ai-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.ai-feature {
    padding: 40px 24px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    transition: all var(--transition-normal);
}

.ai-feature:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
}

.ai-feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 179, 60, 0.1);
    border-radius: 12px;
}

.ai-feature-icon svg {
    width: 32px;
    height: 32px;
    stroke: var(--color-accent);
}

.ai-feature h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 8px;
}

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

/* ===== Contact Section ===== */
.contact-section {
    padding: 100px 0;
    background: var(--color-bg-primary);
}

.contact-content {
    max-width: 500px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
}

.contact-item svg {
    width: 32px;
    height: 32px;
    stroke: var(--color-accent);
    flex-shrink: 0;
}

.contact-item strong {
    display: block;
    margin-bottom: 4px;
}

.contact-item span,
.contact-item a {
    color: var(--color-text-secondary);
}

/* ===== Footer ===== */
.footer {
    padding: 60px 0 24px;
    background: var(--color-bg-dark);
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 60px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--color-border);
}

.footer-brand img {
    height: 144px;
    margin-bottom: 12px;
}

.footer-brand p {
    color: var(--color-text-muted);
}

.footer-links {
    display: flex;
    gap: 80px;
}

.footer-column h4 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
    color: var(--color-text-secondary);
}

.footer-column ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-column a {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

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

.footer-bottom {
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* ===== Responsive Design ===== */
@media (max-width: 1200px) {
    .nirulink-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 968px) {
    .product-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .product-content.reverse {
        direction: ltr;
    }

    .ai-features {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .nirulink-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
        margin-top: 40px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--color-bg-dark);
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid var(--color-border);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-logo {
        height: 180px;
    }

    .ecosystem-items {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin: 0 auto;
    }

    .ecosystem-connections {
        display: none;
    }

    .footer-content {
        flex-direction: column;
        gap: 40px;
    }

    .footer-links {
        gap: 40px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero {
        padding: 160px 16px 60px;
    }

    .hero-description {
        font-size: 1.05rem;
    }

    .btn {
        padding: 12px 24px;
    }
}