/* ============================================
   cybAl.AI — Website Styles
   ============================================ */

:root {
    --bg-dark: #0a0a1a;
    --bg-section: #0f0f24;
    --bg-card: #18162e;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b8;
    --text-muted: #6b6b80;
    --accent: #a855f7;
    --accent-glow: rgba(168, 85, 247, 0.15);
    --accent-hover: #c27df9;
    --defender: #00c8ff;
    --attacker: #e74c3c;
    --border: rgba(255, 255, 255, 0.06);
    --radius: 12px;
    --radius-lg: 20px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

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

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 20px 0;
    transition: all 0.3s ease;
}

.nav.scrolled {
    background: rgba(10, 10, 26, 0.95);
    backdrop-filter: blur(20px);
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: normal;
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-logo-icon {
    flex-shrink: 0;
}

.highlight {
    color: var(--accent);
}

.logo-text {
    letter-spacing: 0;
    word-spacing: 0;
    font-kerning: normal;
    white-space: nowrap;
}

.logo-text .highlight {
    display: inline;
    margin: 0;
    padding: 0;
    letter-spacing: inherit;
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

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

.nav-cta {
    background: var(--accent);
    color: var(--bg-dark) !important;
    padding: 8px 20px;
    border-radius: 8px;
    font-weight: 600 !important;
    transition: background 0.2s !important;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    min-width: 44px;
    min-height: 44px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

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

.hero {
    padding: 180px 0 120px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    max-width: 720px;
    position: relative;
}

.hero h1 {
    font-size: 64px;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -2px;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 40px;
    max-width: 560px;
}

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

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

.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-secondary:hover {
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.03);
}

.btn-large {
    padding: 18px 36px;
    font-size: 18px;
}

/* ---- Problem / Stats ---- */

.problem {
    padding: 80px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.problem-card {
    text-align: center;
    padding: 20px;
}

.problem-icon {
    font-size: 48px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 16px;
}

.problem-card p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.6;
}

/* ---- Problem / Stats (updated) ---- */

.problem-intro {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 48px;
}

.problem-intro h2 {
    font-size: 36px;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 16px;
}

.problem-intro .section-subtitle {
    max-width: 100%;
    margin: 0;
}

.problem-source {
    text-align: center;
    margin-top: 40px;
}

/* ---- Defence Strategies ---- */

.defence-strategies {
    padding: 120px 0;
    background: var(--bg-section);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.defence-strategies h2 {
    font-size: 40px;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 16px;
}

.strategies-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 60px;
    margin-bottom: 60px;
}

.strategy-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
    transition: border-color 0.3s, transform 0.2s;
    position: relative;
}

.strategy-card:hover {
    border-color: rgba(0, 200, 255, 0.2);
    transform: translateY(-2px);
}

.strategy-number {
    font-size: 14px;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 2px;
    margin-bottom: 16px;
    font-family: 'Inter', monospace;
}

.strategy-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 16px;
}

.strategy-card p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.7;
}

.foundation-note {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius);
    padding: 32px 40px;
    display: flex;
    gap: 24px;
    align-items: flex-start;
    max-width: 900px;
    margin: 0 auto;
}

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

.foundation-note h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.foundation-note p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.6;
    margin: 0;
}

/* ---- Balance ---- */

.balance {
    padding: 120px 0;
    background: var(--bg-section);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.balance-content {
    text-align: center;
    margin-bottom: 60px;
}

.balance-content h2 {
    font-size: 40px;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 16px;
}

.balance-content .section-subtitle {
    max-width: 100%;
    margin: 0 auto;
}

.balance-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 32px;
    align-items: center;
    margin-bottom: 60px;
}

.balance-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px;
}

.balance-card.offence {
    border-left: 3px solid #e74c3c;
}

.balance-card.defence {
    border-left: 3px solid #00c8ff;
}

.balance-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
    color: var(--text-muted);
}

.balance-card.offence .balance-label {
    color: #e74c3c;
}

.balance-card.defence .balance-label {
    color: #00c8ff;
}

.balance-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.balance-card p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.7;
}

.balance-centre {
    text-align: center;
    padding: 0 8px;
}

.balance-scale {
    margin-bottom: 16px;
}

.balance-cta-text {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

.balance-cta-text strong {
    color: var(--accent);
}

.balance-bottom {
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
}

.balance-bottom p {
    color: var(--text-secondary);
    font-size: 17px;
    line-height: 1.7;
    margin-bottom: 20px;
}

.balance-link {
    color: var(--accent);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

.balance-link:hover {
    color: var(--accent-hover);
}

/* ---- Services ---- */

.services {
    padding: 120px 0;
}

.services h2 {
    font-size: 40px;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 16px;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 18px;
    margin-bottom: 60px;
    max-width: 600px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

/* Modifier: three evenly-spaced cards on one row (desktop). */
.services-grid.three-up {
    grid-template-columns: repeat(3, 1fr);
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
    transition: border-color 0.3s, transform 0.2s;
}

.service-card:hover {
    border-color: rgba(0, 200, 255, 0.2);
    transform: translateY(-2px);
}

.service-icon {
    color: var(--accent);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.7;
}

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

.about {
    padding: 120px 0;
    background: var(--bg-section);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-content h2 {
    font-size: 40px;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 24px;
}

.about-content p {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 16px;
}

.about-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.highlight-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    text-align: center;
}

.highlight-number {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 8px;
}

.highlight-label {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ---- Credentials ---- */

.credentials {
    padding: 120px 0;
}

.credentials h2 {
    font-size: 40px;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 60px;
}

.credentials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.credential-group {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px;
}

.credential-group h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.credential-group ul {
    list-style: none;
}

.credential-group li {
    color: var(--text-secondary);
    font-size: 14px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
}

.credential-group li:last-child {
    border-bottom: none;
}

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

.cta {
    padding: 120px 0;
    background: var(--bg-section);
    border-top: 1px solid var(--border);
    text-align: center;
}

.cta-content {
    max-width: 560px;
    margin: 0 auto;
}

.cta h2 {
    font-size: 48px;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 20px;
}

.cta p {
    color: var(--text-secondary);
    font-size: 18px;
    line-height: 1.7;
    margin-bottom: 40px;
}

.cta-links {
    margin-top: 24px;
}

.cta-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

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

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

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

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

.footer p {
    color: var(--text-muted);
    font-size: 14px;
}

/* ---- Responsive ---- */

@media (max-width: 768px) {
    .hero {
        padding: 140px 0 80px;
    }

    .hero h1 {
        font-size: 40px;
        letter-spacing: -1px;
    }

    .hero-subtitle {
        font-size: 17px;
    }

    .problem-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

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

    .balance-centre {
        order: -1;
    }

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

    .foundation-note {
        flex-direction: column;
        gap: 16px;
        padding: 24px;
    }

    .balance-scale svg {
        transform: rotate(90deg);
    }

    .services-grid,
    .services-grid.three-up {
        grid-template-columns: 1fr;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 10, 26, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid var(--border);
    }

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

    .nav-toggle {
        display: flex;
    }

    .nav-cta {
        width: 100%;
        text-align: center;
    }

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

    .btn {
        text-align: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .cta h2 {
        font-size: 36px;
    }

    .services h2,
    .about-content h2,
    .credentials h2 {
        font-size: 32px;
    }
}