/* ============================================
   THE InGen Corporation — Brand Site
   ============================================ */

:root {
    --navy: #0f172a;
    --navy-light: #1e293b;
    --navy-lighter: #334155;
    --emerald: #10b981;
    --emerald-dark: #059669;
    --emerald-light: #34d399;
    --blue: #3b82f6;
    --white: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--navy);
    color: var(--white);
    line-height: 1.7;
    font-weight: 400;
    overflow-x: hidden;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---- Navigation ---- */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo img {
    height: 40px;
    display: block;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.5px;
    transition: color 0.3s;
}

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

.nav-cta {
    background: var(--emerald);
    color: var(--navy) !important;
    padding: 8px 20px;
    border-radius: 6px;
    font-weight: 600 !important;
    transition: background 0.3s !important;
}

.nav-cta:hover {
    background: var(--emerald-light) !important;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    flex-direction: column;
    gap: 5px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: 0.3s;
}

/* ---- Hero ---- */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 24px 80px;
    overflow: hidden;
}

.hero-inner {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-badge {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 4px;
    color: var(--emerald);
    margin-bottom: 32px;
    padding: 8px 20px;
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 100px;
}

.hero h1 {
    font-size: clamp(40px, 7vw, 72px);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.text-emerald {
    color: var(--emerald);
}

.hero-sub {
    font-size: 18px;
    color: var(--gray-400);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-glow {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.08) 0%, transparent 70%);
    pointer-events: none;
    z-index: 1;
}

/* ---- Buttons ---- */

.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s;
    cursor: pointer;
}

.btn-primary {
    background: var(--emerald);
    color: var(--navy);
}

.btn-primary:hover {
    background: var(--emerald-light);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 1px solid var(--navy-lighter);
}

.btn-outline:hover {
    border-color: var(--gray-400);
    transform: translateY(-1px);
}

/* ---- Section Headers ---- */

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 4px;
    color: var(--emerald);
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-header p {
    font-size: 17px;
    color: var(--gray-400);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ---- Journey / Tiers ---- */

.journey {
    padding: 120px 0;
    position: relative;
}

.tier {
    display: flex;
    gap: 40px;
    margin-bottom: 48px;
    position: relative;
}

.tier-marker {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
    width: 64px;
}

.tier-number {
    font-size: 14px;
    font-weight: 700;
    color: var(--emerald);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--emerald);
    border-radius: 50%;
    background: var(--navy);
    position: relative;
    z-index: 2;
}

.tier-line {
    flex: 1;
    width: 2px;
    background: linear-gradient(to bottom, var(--emerald), var(--navy-lighter));
    margin-top: 8px;
}

.tier:last-of-type .tier-line {
    background: linear-gradient(to bottom, var(--emerald), transparent);
}

.tier-content {
    background: var(--navy-light);
    border: 1px solid var(--navy-lighter);
    border-radius: 12px;
    padding: 40px;
    flex: 1;
    transition: border-color 0.3s, transform 0.3s;
}

.tier-content:hover {
    border-color: rgba(16, 185, 129, 0.3);
    transform: translateY(-2px);
}

.tier-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--emerald);
    margin-bottom: 12px;
}

.tier-content h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.3;
}

.tier-plus {
    color: var(--emerald);
    font-weight: 300;
}

.tier-content p {
    color: var(--gray-400);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.tier-details {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.tier-tag {
    font-size: 12px;
    font-weight: 500;
    color: var(--gray-300);
    background: var(--navy);
    padding: 4px 12px;
    border-radius: 100px;
    border: 1px solid var(--navy-lighter);
}

.tier-link {
    color: var(--emerald);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: color 0.3s;
}

.tier-link:hover {
    color: var(--emerald-light);
}

/* ---- Analytics Bar ---- */

.analytics-bar {
    margin-top: 48px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.08), rgba(16, 185, 129, 0.03));
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 12px;
    padding: 32px 40px;
}

.analytics-inner {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.analytics-icon {
    color: var(--emerald);
    flex-shrink: 0;
    margin-top: 2px;
}

.analytics-text {
    color: var(--gray-300);
    font-size: 15px;
    line-height: 1.8;
}

.analytics-text strong {
    color: var(--emerald);
}

/* ---- Pitch / Quote ---- */

.pitch {
    padding: 80px 0;
    position: relative;
}

.pitch blockquote {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: 60px 40px;
    position: relative;
}

.pitch blockquote::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--emerald);
    border-radius: 2px;
}

.pitch blockquote p {
    font-size: 18px;
    color: var(--gray-400);
    line-height: 1.9;
    margin-bottom: 24px;
}

.pitch-highlight {
    font-size: 24px !important;
    font-weight: 700;
    color: var(--white) !important;
    font-style: italic;
}

/* ---- About ---- */

.about {
    padding: 120px 0;
}

.about-content {
    max-width: 720px;
    margin: 0 auto;
}

.about-content p {
    font-size: 17px;
    color: var(--gray-400);
    line-height: 1.9;
    margin-bottom: 24px;
}

/* ---- CTA Section ---- */

.cta-section {
    padding: 120px 0 60px;
}

.cta-actions {
    text-align: center;
}

/* ---- Contact (Subtle) ---- */

.contact {
    padding: 40px 0 80px;
}

.contact-subtle {
    text-align: center;
    max-width: 560px;
    margin: 0 auto;
    padding-top: 40px;
    border-top: 1px solid var(--navy-lighter);
}

.contact-subtle p {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.8;
}

.contact-subtle strong {
    color: var(--gray-400);
}

.contact-subtle a {
    color: var(--emerald);
    text-decoration: none;
    font-weight: 500;
}

.contact-subtle a:hover {
    color: var(--emerald-light);
}

/* ---- Footer ---- */

.footer {
    border-top: 1px solid var(--navy-lighter);
    padding: 40px 0;
}

.footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 24px;
}

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

.footer-brand img {
    height: 28px;
}

.footer-copyright {
    font-size: 13px;
    color: var(--gray-500);
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    font-size: 13px;
    color: var(--gray-500);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--white);
}

/* ---- Mobile ---- */

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .nav.open .nav-links {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(15, 23, 42, 0.95);
        backdrop-filter: blur(20px);
        padding: 24px;
        border-bottom: 1px solid var(--navy-lighter);
        gap: 16px;
    }

    .hero {
        min-height: auto;
        padding: 140px 24px 80px;
    }

    .tier {
        flex-direction: column;
        gap: 0;
    }

    .tier-marker {
        flex-direction: row;
        width: auto;
        gap: 0;
        margin-bottom: 16px;
    }

    .tier-line {
        display: none;
    }

    .tier-content {
        padding: 28px;
    }

    .tier-content h3 {
        font-size: 22px;
    }

    .analytics-bar {
        padding: 24px;
    }

    .analytics-inner {
        flex-direction: column;
    }

    .pitch blockquote {
        padding: 40px 0;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
    }

    .footer-brand {
        flex-direction: column;
    }
}