/*
Theme Name: Nexus
Author: Your Name
Description: A custom 3D-inspired SaaS theme for Nexus.
Version: 1.0
*/
:root {
    /* Color Palette */
    --bg-main: #0B0F19;
    --bg-secondary: #111827;
    --text-primary: #F9FAFB;
    --text-secondary: #9CA3AF;
    --accent-primary: #6366f1;
    --accent-primary-hover: #4f46e5;
    --accent-secondary: #ec4899;
    --accent-gradient: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    
    /* Layout */
    --container-width: 1200px;
    --border-radius: 16px;
    
    /* UI Elements */
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --card-bg: rgba(17, 24, 39, 0.7);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4 {
    line-height: 1.2;
    font-weight: 700;
}

.text-gradient {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

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

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover {
    color: var(--text-primary);
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1.125rem;
}

.btn-full {
    width: 100%;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
    padding: 20px 0;
}

.navbar.scrolled {
    padding: 15px 0;
    background: rgba(11, 15, 25, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    text-decoration: none;
    letter-spacing: -0.5px;
}

.logo-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: var(--accent-gradient);
    position: relative;
}

.logo-icon::after {
    content: '';
    position: absolute;
    inset: 4px;
    background: var(--bg-main);
    border-radius: 4px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

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

.nav-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

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

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

/* Background Blobs */
.glow-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    z-index: -1;
    opacity: 0.4;
    pointer-events: none;
}

.blob-1 {
    top: -10%;
    right: -5%;
    width: 40vw;
    height: 40vw;
    background: radial-gradient(circle, var(--accent-primary) 0%, transparent 70%);
}

.blob-2 {
    bottom: -20%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, var(--accent-secondary) 0%, transparent 70%);
}

.blob-3 {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60vw;
    height: 40vw;
    background: radial-gradient(circle, var(--accent-primary) 0%, transparent 70%);
    opacity: 0.2;
}

/* Hero Section */
.hero {
    position: relative;
    padding-top: 160px;
    padding-bottom: 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.hero-text h1 {
    font-size: 3.5rem;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero-text p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 6px 16px 6px 6px;
    font-size: 0.875rem;
    margin-bottom: 32px;
    gap: 12px;
}

.badge-new {
    background: var(--accent-gradient);
    color: white;
    padding: 2px 8px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.75rem;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}

.hero-subtext {
    font-size: 0.875rem !important;
    color: var(--text-secondary);
}

.hero-image-wrapper {
    position: relative;
    border-radius: var(--border-radius);
    padding: 10px;
    background: linear-gradient(180deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 100%);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: transform 0.5s ease;
}

.hero-image-wrapper:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.hero-image {
    width: 100%;
    height: auto;
    border-radius: calc(var(--border-radius) - 4px);
    display: block;
    background-color: var(--bg-secondary);
}

.hero-image-glow {
    position: absolute;
    inset: 0;
    background: var(--accent-gradient);
    filter: blur(40px);
    z-index: -1;
    opacity: 0.3;
    border-radius: inherit;
}

/* Logo Cloud */
.logo-cloud {
    padding: 60px 0;
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.01);
}

.cloud-text {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 32px;
}

.logos {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
    opacity: 0.6;
}

.logo-placeholder {
    color: white;
}

/* Sections Global */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 64px auto;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

section {
    padding: 100px 0;
}

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

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 32px;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(99, 102, 241, 0.3);
    background: rgba(30, 36, 51, 0.8);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

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

/* Testimonials */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.testimonial-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 32px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.quote {
    font-size: 1.05rem;
    font-style: italic;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-size: cover;
    background-position: center;
}

.avatar-1 { background-image: linear-gradient(135deg, #f6d365 0%, #fda085 100%); }
.avatar-2 { background-image: linear-gradient(135deg, #a18cd1 0%, #fbc2eb 100%); }
.avatar-3 { background-image: linear-gradient(135deg, #84fab0 0%, #8fd3f4 100%); }

.author-info h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

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

/* Pricing */
.billing-toggle {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    margin-top: 32px;
    background: var(--glass-bg);
    padding: 10px 24px;
    border-radius: 30px;
    border: 1px solid var(--glass-border);
}

.toggle-switch {
    width: 48px;
    height: 24px;
    background: var(--accent-gradient);
    border-radius: 12px;
    position: relative;
    cursor: pointer;
}

.toggle-switch::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    transition: var(--transition);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    align-items: center;
}

.pricing-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 40px 32px;
    position: relative;
}

.pricing-card.popular {
    background: var(--bg-secondary);
    border: 2px solid var(--accent-primary);
    transform: scale(1.05);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 40px rgba(99, 102, 241, 0.1);
}

.popular-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-gradient);
    color: white;
    padding: 4px 16px;
    border-radius: 14px;
    font-size: 0.85rem;
    font-weight: 600;
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.pricing-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    min-height: 48px;
}

.price {
    margin: 32px 0;
    display: flex;
    align-items: baseline;
}

.currency {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.amount {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -1px;
}

.period {
    color: var(--text-secondary);
    margin-left: 8px;
}

.features-list {
    list-style: none;
    margin-bottom: 32px;
}

.features-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 0.95rem;
}

.features-list li svg {
    width: 20px;
    height: 20px;
    color: var(--accent-primary);
    flex-shrink: 0;
}

.features-list li.disabled {
    color: var(--text-secondary);
    opacity: 0.6;
}

.features-list li.disabled svg {
    color: var(--text-secondary);
}

/* CTA Section */
.cta-section {
    position: relative;
    padding: 120px 0;
    text-align: center;
    overflow: hidden;
}

.cta-container {
    background: rgba(17, 24, 39, 0.4);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 80px 40px;
    position: relative;
    z-index: 1;
}

.cta-container h2 {
    font-size: 3rem;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

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

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
}

/* Footer */
footer {
    border-top: 1px solid var(--glass-border);
    padding: 80px 0 32px 0;
    background: var(--bg-secondary);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 64px;
}

.brand-col p {
    color: var(--text-secondary);
    margin: 24px 0;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    color: var(--text-secondary);
    transition: var(--transition);
}

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

.social-links svg {
    width: 24px;
    height: 24px;
}

.footer-col h4 {
    font-size: 1.1rem;
    margin-bottom: 24px;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.95rem;
}

.footer-col ul li a:hover {
    color: var(--accent-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid var(--glass-border);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Animations Reveal */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

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

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        padding: 0 20px;
    }
    
    .hero-text h1 {
        font-size: 3rem;
    }
    
    .features-grid, .testimonial-grid, .pricing-grid {
        gap: 24px;
    }
    
    .pricing-card {
        padding: 32px 24px;
    }
}

@media (max-width: 768px) {
    .nav-links, .nav-actions {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text {
        order: 1;
    }
    
    .hero-text p {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-cta {
        justify-content: center;
        flex-direction: column;
    }
    
    .hero-image-wrapper {
        order: 2;
        margin-top: 40px;
        transform: none !important;
    }
    
    .features-grid, .testimonial-grid, .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.popular {
        transform: scale(1);
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .brand-col {
        grid-column: 1 / -1;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 2.25rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .cta-container {
        padding: 40px 20px;
    }
    
    .cta-container h2 {
        font-size: 2rem;
    }

    .cta-buttons {
        flex-direction: column;
    }
}