/* APEX Intelligence - Landing Page Styles */
:root {
    --black: #000000;
    --gray-950: #0a0a0a;
    --gray-900: #111827;
    --gray-800: #1f2937;
    --gray-700: #374151;
    --gray-400: #9ca3af;
    --white: #ffffff;
    --green: #10b981;
    --purple: #8b5cf6;
    --cyan: #06b6d4;
    --font-mono: 'IBM Plex Mono', monospace;
    --font-sans: 'Work Sans', sans-serif;
}

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

body {
    font-family: var(--font-sans);
    background: var(--gray-950);
    color: var(--white);
    line-height: 1.6;
}

.brand-apex {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: 0.1em;
    color: var(--white);
    text-transform: uppercase;
}

.brand-sub {
    font-family: var(--font-sans);
    font-weight: 300;
    color: var(--gray-400);
    margin-left: 0.5rem;
}

.landing-nav {
    background: var(--black);
    border-bottom: 3px solid var(--white);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.nav-brand {
    text-decoration: none;
    display: flex;
    align-items: baseline;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--white);
    transition: all 0.3s;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

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

.nav-links a {
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
}

.btn {
    padding: 0.75rem 1.5rem;
    border: 3px solid var(--white);
    background: transparent;
    color: var(--white);
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
}

.btn-primary {
    background: var(--purple);
    border-color: var(--purple);
}

.btn-outline {
    background: transparent;
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

.hero {
    padding: 8rem 2rem;
    text-align: center;
    background: linear-gradient(135deg, var(--gray-950) 0%, var(--gray-900) 100%);
}

.hero-container {
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-family: var(--font-mono);
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--gray-400);
    margin-bottom: 3rem;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.hero-note {
    color: var(--gray-400);
    font-size: 0.9rem;
}

.section-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 6rem 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--gray-800);
    border: 2px solid var(--gray-700);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.section-title {
    font-family: var(--font-mono);
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--gray-400);
    max-width: 700px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--gray-900);
    border: 3px solid var(--white);
    padding: 2.5rem;
}

.feature-icon {
    margin-bottom: 1.5rem;
    color: var(--purple);
}

.feature-card h3 {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--gray-400);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

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

.feature-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 700;
    border-bottom: 2px solid var(--white);
}

.cta-section {
    background: var(--gray-900);
    border-top: 3px solid var(--white);
    border-bottom: 3px solid var(--white);
    padding: 6rem 2rem;
    text-align: center;
}

.cta-container {
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-family: var(--font-mono);
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.cta-subtitle {
    font-size: 1.25rem;
    color: var(--gray-400);
    margin-bottom: 3rem;
}

.cta-actions {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.cta-note {
    color: var(--gray-400);
    font-size: 0.9rem;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.pricing-card {
    background: var(--gray-900);
    border: 3px solid var(--white);
    padding: 2.5rem;
    position: relative;
}

.pricing-featured {
    border-color: var(--purple);
    transform: scale(1.05);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    right: 20px;
    background: var(--purple);
    color: var(--white);
    padding: 0.5rem 1rem;
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-header {
    margin-bottom: 2rem;
}

.pricing-header h3 {
    font-family: var(--font-mono);
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.pricing-header p {
    color: var(--gray-400);
}

.pricing-price {
    margin-bottom: 2rem;
}

.price-amount {
    font-family: var(--font-mono);
    font-size: 3.5rem;
    font-weight: 700;
}

.price-period {
    font-size: 1.25rem;
    color: var(--gray-400);
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
}

.pricing-features li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--gray-800);
}

.pricing-features li:before {
    content: "✓";
    color: var(--green);
    font-weight: 700;
    margin-right: 0.75rem;
}

.pricing-note {
    text-align: center;
    color: var(--gray-400);
    font-size: 0.9rem;
}

.footer {
    background: var(--black);
    border-top: 3px solid var(--white);
    padding: 4rem 2rem 2rem;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(4, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: block;
    text-decoration: none;
    margin-bottom: 1rem;
}

.footer-tagline {
    color: var(--gray-400);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

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

.social-link {
    width: 40px;
    height: 40px;
    border: 2px solid var(--gray-700);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
}

.footer-col h4 {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

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

.footer-col li {
    margin-bottom: 0.75rem;
}

.footer-col a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 0.9rem;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--gray-800);
    text-align: center;
    color: var(--gray-400);
    font-size: 0.875rem;
}

@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }

    .section-title {
        font-size: 2.5rem;
    }

    .cta-title {
        font-size: 2.5rem;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--black);
        border-top: 3px solid var(--white);
        flex-direction: column;
        gap: 0;
        padding: 0 0 1rem 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease-in-out;
    }

    .nav-links.active {
        max-height: 600px;
        overflow-y: auto;
    }

    .nav-links a:not(.btn) {
        padding: 1rem 2rem;
        width: 100%;
        border-bottom: 1px solid var(--gray-800);
        display: block;
    }

    /* Special handling for buttons in mobile menu */
    .nav-links .btn {
        margin: 1rem 2rem 0.5rem 2rem;
        width: calc(100% - 4rem);
        text-align: center;
        display: block;
    }

    .hero {
        padding: 4rem 1rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .cta-title {
        font-size: 2rem;
    }

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

    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .pricing-featured {
        transform: none;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .brand-apex {
        font-size: 1.2rem;
    }
    
    .nav-container {
        padding: 1rem 1.5rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.85rem;
    }
}