/* ──────────────────────────────────────────────────────────────────────────
   Argus Terminal — Landing Page
   Single-file CSS, Bootstrap 5 + custom dark theme.
   ────────────────────────────────────────────────────────────────────────── */

:root {
    --bg-primary:    #060912;
    --bg-secondary:  #0c1224;
    --bg-tertiary:   #131a2e;
    --bg-card:       #161e35;
    --bg-glass:      rgba(22, 30, 53, 0.6);
    --border:        #1f2942;
    --border-strong: #2a3658;
    --text-primary:  #f1f5f9;
    --text-muted:    #94a3b8;
    --text-dim:      #64748b;
    --accent:        #10b981;
    --accent-dim:    #059669;
    --accent-glow:   rgba(16, 185, 129, 0.18);
    --indigo:        #6366f1;
    --rose:          #f43f5e;
    --amber:         #f59e0b;
    --telegram:      #229ED9;
    --twitter:       #000000;

    --radius:        12px;
    --radius-lg:     20px;
    --transition:    180ms ease;
}

/* ─── BASE ───────────────────────────────────────────────────────────────── */
* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-feature-settings: "ss01", "cv11";
    -webkit-font-smoothing: antialiased;
    line-height: 1.6;
    overflow-x: hidden;
}

code {
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-muted);
    font-size: 0.875em;
}

.text-accent  { color: var(--accent); }
.text-success { color: var(--accent) !important; }
.text-muted   { color: var(--text-muted) !important; }
.text-warning { color: var(--amber) !important; }

/* Smooth gradient text on accent */
.text-accent {
    background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Section eyebrow */
.section-eyebrow {
    text-transform: uppercase;
    letter-spacing: 2.5px;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 1rem;
}

/* ─── NAVBAR ─────────────────────────────────────────────────────────────── */
.argus-nav {
    background: rgba(6, 9, 18, 0.85);
    backdrop-filter: saturate(180%) blur(14px);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid var(--border);
    padding: 14px 0;
    transition: var(--transition);
}

.brand-logo {
    font-size: 22px;
    filter: drop-shadow(0 0 8px var(--accent-glow));
}

.argus-nav .navbar-brand { font-size: 17px; letter-spacing: 0.5px; color: var(--text-primary); }

.argus-nav .nav-link {
    color: var(--text-muted) !important;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}
.argus-nav .nav-link:hover { color: var(--text-primary) !important; }

/* ─── BUTTONS ────────────────────────────────────────────────────────────── */
.btn {
    font-weight: 600;
    border-radius: 10px;
    padding: 10px 20px;
    font-size: 14px;
    transition: all var(--transition);
    letter-spacing: 0.2px;
}
.btn-lg { padding: 14px 28px; font-size: 16px; }

.btn-accent {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #03110b;
    border: none;
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.25);
}
.btn-accent:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 28px rgba(16, 185, 129, 0.4);
    color: #03110b;
}

.btn-outline-light { border-color: var(--border-strong); }
.btn-outline-light:hover {
    background: var(--bg-tertiary);
    border-color: var(--text-muted);
    color: var(--text-primary);
}

.btn-telegram {
    background: linear-gradient(135deg, #2AABEE 0%, #229ED9 100%);
    color: #fff;
    border: none;
    box-shadow: 0 4px 20px rgba(34, 158, 217, 0.3);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}
.btn-telegram:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 28px rgba(34, 158, 217, 0.45);
    color: #fff;
}

.btn-twitter {
    background: #000;
    color: #fff;
    border: 1px solid var(--border-strong);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}
.btn-twitter:hover {
    transform: translateY(-1px);
    background: #1d1d1d;
    color: #fff;
    border-color: var(--text-muted);
}

/* ─── HERO ───────────────────────────────────────────────────────────────── */
.hero-section {
    position: relative;
    padding: 160px 0 100px;
    overflow: hidden;
}

.hero-glow {
    position: absolute;
    top: -180px;
    left: 30%;
    width: 700px;
    height: 700px;
    background: radial-gradient(closest-side, var(--accent-glow), transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.hero-section .container { position: relative; z-index: 1; }

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-glass);
    border: 1px solid var(--border);
    padding: 7px 16px;
    border-radius: 100px;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 28px;
    backdrop-filter: blur(10px);
}
.hero-badge .dot {
    width: 7px;
    height: 7px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent);
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%      { opacity: 0.5; transform: scale(1.2); }
}

.hero-section h1 {
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -1.5px;
}

.hero-section .lead {
    font-size: 18px;
    line-height: 1.65;
    max-width: 580px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    padding: 24px 0;
    border-top: 1px solid var(--border);
}
.hero-stat-value {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 4px;
    letter-spacing: -0.5px;
}
.hero-stat-label {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.4;
}

/* Hero card (right side preview) */
.hero-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-lg);
    padding: 24px;
    backdrop-filter: blur(20px);
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
    position: relative;
}
.hero-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--accent-glow), transparent 70%);
    opacity: 0.5;
    pointer-events: none;
    z-index: -1;
}
.hero-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
}
.badge-strong {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent);
    border: 1px solid rgba(16, 185, 129, 0.35);
    padding: 5px 12px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 0.5px;
    font-family: 'JetBrains Mono', monospace;
}
.hero-card-time {
    font-size: 13px;
    color: var(--text-dim);
    font-family: 'JetBrains Mono', monospace;
}
.hero-token {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 16px;
}
.hero-row {
    display: flex;
    justify-content: space-between;
    padding: 9px 0;
    font-size: 14px;
    border-bottom: 1px dashed var(--border);
}
.hero-row:last-of-type { border: 0; }
.hero-row span { color: var(--text-muted); }
.hero-card-divider {
    border-color: var(--border);
    margin: 12px 0;
}
.hero-card-tx {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--text-dim);
}
.hero-card-tx code {
    color: var(--text-muted);
    background: var(--bg-secondary);
    padding: 2px 8px;
    border-radius: 4px;
    margin-left: 4px;
}
.hero-card-footer {
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--border);
}

/* ─── SECTION COMMON ─────────────────────────────────────────────────────── */
section { padding: 90px 0; }
section h2 {
    letter-spacing: -1px;
    font-weight: 800;
    line-height: 1.15;
}

/* ─── PROBLEM ────────────────────────────────────────────────────────────── */
.problem-section {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.problem-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px;
    height: 100%;
    transition: var(--transition);
}
.problem-card:hover {
    border-color: var(--border-strong);
    transform: translateY(-3px);
}
.problem-icon {
    font-size: 36px;
    margin-bottom: 16px;
    display: block;
}
.problem-card h5 {
    color: var(--text-primary);
    font-weight: 700;
    margin-bottom: 12px;
}
.problem-card p { font-size: 15px; line-height: 1.65; }

/* ─── HOW IT WORKS ───────────────────────────────────────────────────────── */
.how-section {
    background: var(--bg-primary);
}
.how-step {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 24px;
    height: 100%;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.how-step:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 10px 40px rgba(16, 185, 129, 0.1);
}
.how-step-num {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    color: var(--accent);
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 12px;
}
.how-step h5 { font-weight: 700; margin-bottom: 12px; }
.how-step p { font-size: 14px; color: var(--text-muted); line-height: 1.65; }
.how-step-tech {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    font-size: 11px;
    color: var(--text-dim);
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 0.3px;
}

/* ─── NUMBERS ────────────────────────────────────────────────────────────── */
.numbers-section {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.metric-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 24px;
    height: 100%;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.metric-card:hover {
    border-color: var(--border-strong);
    transform: translateY(-3px);
}
.metric-card-primary {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.12) 0%, var(--bg-tertiary) 60%);
    border-color: rgba(16, 185, 129, 0.3);
}
.metric-label {
    font-size: 13px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1.2px;
    font-weight: 500;
    margin-bottom: 12px;
}
.metric-value {
    font-size: 48px;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 12px;
    letter-spacing: -1.5px;
}
.metric-card-primary .metric-value { color: var(--accent); }
.metric-unit {
    font-size: 24px;
    font-weight: 700;
    margin-left: 2px;
    opacity: 0.8;
}
.metric-sub {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Distribution bar */
.dist-bar-wrap {
    margin-top: 60px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
}
.dist-bar {
    height: 28px;
    border-radius: 6px;
    overflow: hidden;
    display: flex;
}
.dist-seg {
    height: 100%;
    transition: var(--transition);
    cursor: pointer;
}
.dist-seg:hover { opacity: 0.85; transform: scaleY(1.1); }
.neg-big   { background: #b91c1c; }
.neg-mid   { background: #dc2626; }
.neg-small { background: #ef4444; }
.flat      { background: #6b7280; }
.pos-small { background: #34d399; }
.pos-mid   { background: #10b981; }
.pos-big   { background: #059669; }
.dist-bar-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 12px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--text-dim);
}

/* ─── HONESTY ────────────────────────────────────────────────────────────── */
.honesty-section {
    background: var(--bg-primary);
}

.honesty-list {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 8px;
}
.honesty-item {
    display: flex;
    gap: 16px;
    padding: 18px 20px;
    border-bottom: 1px solid var(--border);
    font-size: 14.5px;
    line-height: 1.65;
}
.honesty-item:last-child { border: 0; }
.honesty-item strong { color: var(--text-primary); display: block; margin-bottom: 4px; }
.honesty-item div { color: var(--text-muted); }
.honesty-x {
    color: var(--rose);
    font-weight: 700;
    font-size: 22px;
    line-height: 1;
    flex-shrink: 0;
    margin-top: 2px;
}

/* ─── PRICING ────────────────────────────────────────────────────────────── */
.pricing-section {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.pricing-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    height: 100%;
    transition: var(--transition);
    position: relative;
}
.pricing-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-strong);
}
.pricing-card-pro {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.10) 0%, var(--bg-tertiary) 60%);
    border-color: rgba(16, 185, 129, 0.4);
    box-shadow: 0 20px 60px rgba(16, 185, 129, 0.08);
}
.pricing-tier-badge {
    position: absolute;
    top: -12px;
    left: 32px;
    background: linear-gradient(135deg, #10b981, #059669);
    color: #03110b;
    padding: 4px 14px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.8px;
    text-transform: uppercase;
}
.pricing-tier {
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 13px;
    letter-spacing: 1.5px;
    font-weight: 600;
    margin-bottom: 14px;
}
.pricing-price {
    font-size: 56px;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 28px;
    letter-spacing: -2px;
}
.pricing-currency {
    font-size: 28px;
    vertical-align: top;
    color: var(--text-muted);
    font-weight: 600;
    margin-right: 4px;
}
.pricing-period {
    font-size: 16px;
    color: var(--text-muted);
    font-weight: 500;
    margin-left: 6px;
    letter-spacing: 0;
}
.pricing-features {
    list-style: none;
    padding: 0;
    margin: 0 0 28px;
}
.pricing-features li {
    padding: 10px 0;
    border-bottom: 1px dashed var(--border);
    color: var(--text-muted);
    font-size: 14.5px;
    display: flex;
    gap: 12px;
    align-items: flex-start;
}
.pricing-features li:last-child { border: 0; }
.pricing-features .check {
    color: var(--accent);
    font-weight: 700;
    flex-shrink: 0;
}
.pricing-features strong { color: var(--text-primary); }
.pricing-disclaimer {
    text-align: center;
    color: var(--text-dim);
    font-size: 12px;
    margin: 16px 0 0;
}

/* ─── FAQ ────────────────────────────────────────────────────────────────── */
.faq-section { background: var(--bg-primary); }

.argus-accordion .accordion-item {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius) !important;
    margin-bottom: 12px;
    overflow: hidden;
}
.argus-accordion .accordion-button {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 16px;
    padding: 22px 28px;
    box-shadow: none !important;
    border: 0;
}
.argus-accordion .accordion-button:not(.collapsed) {
    background: var(--bg-card);
    color: var(--accent);
}
.argus-accordion .accordion-button:focus { box-shadow: none; }
.argus-accordion .accordion-button::after {
    filter: invert(1) brightness(0.7);
}
.argus-accordion .accordion-body {
    padding: 0 28px 24px;
    font-size: 15px;
    line-height: 1.7;
}

/* ─── FINAL CTA ──────────────────────────────────────────────────────────── */
.cta-section {
    background: var(--bg-primary);
    padding: 80px 0;
}
.cta-card {
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-lg);
    padding: 80px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-card::before {
    content: '';
    position: absolute;
    top: -150px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 400px;
    background: radial-gradient(closest-side, var(--accent-glow), transparent 70%);
    pointer-events: none;
}

/* ─── FOOTER ─────────────────────────────────────────────────────────────── */
.argus-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 60px 0 30px;
}
.footer-heading {
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 1.5px;
    font-weight: 600;
    margin-bottom: 16px;
}
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-links li { margin-bottom: 8px; }
.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}
.footer-links a:hover { color: var(--accent); }
.footer-divider {
    border-color: var(--border);
    margin: 40px 0 30px;
}

/* ─── RESPONSIVE ─────────────────────────────────────────────────────────── */
@media (max-width: 991px) {
    .hero-section { padding: 120px 0 60px; }
    .hero-section h1 { font-size: 42px; }
    .hero-stats { grid-template-columns: 1fr; gap: 16px; }
    .hero-stat-value { font-size: 24px; }
    section { padding: 60px 0; }
    .cta-card { padding: 50px 24px; }
    .pricing-card { padding: 32px 24px; }
    .pricing-price { font-size: 44px; }
    .metric-value { font-size: 36px; }

    .argus-nav .navbar-collapse {
        background: var(--bg-secondary);
        margin-top: 12px;
        padding: 16px;
        border-radius: var(--radius);
        border: 1px solid var(--border);
    }
}

@media (max-width: 575px) {
    .hero-section h1 { font-size: 34px; }
    section h2 { font-size: 30px; }
    .display-3 { font-size: 38px; }
    .display-4 { font-size: 30px; }
    .display-5 { font-size: 26px; }
    .btn-lg { padding: 12px 20px; font-size: 15px; }
}