/* ============================================
   TProfit Landing Page Styles
   Dark theme with green accent (#10b981)
   ============================================ */

:root {
    --accent: #10b981;
    --accent-hover: #059669;
    --accent-glow: rgba(16, 185, 129, 0.15);
    --bg-body: #0a0e17;
    --bg-card: #111827;
    --bg-card-hover: #162030;
    --bg-section-alt: #0d1320;
    --border-color: #1f2937;
    --border-accent: rgba(16, 185, 129, 0.3);
    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
}

/* === Base === */
body {
    background: var(--bg-body);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    overflow-x: hidden;
}

.text-accent {
    color: var(--accent) !important;
}

.bg-section-alt {
    background: var(--bg-section-alt);
}

.py-6 {
    padding-top: 5rem;
    padding-bottom: 5rem;
}

/* === Accent Button === */
.btn-accent {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
    font-weight: 600;
}

.btn-accent:hover,
.btn-accent:focus {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    color: #fff;
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.3);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
    color: #fff;
}

/* === Navbar === */
#mainNav {
    background: transparent;
    transition: all 0.3s ease;
    padding: 1rem 0;
}

#mainNav.navbar-scrolled {
    background: rgba(10, 14, 23, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 0.5rem 0;
}

#mainNav .navbar-brand {
    font-size: 1.5rem;
    letter-spacing: -0.5px;
}

#mainNav .nav-link {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: color 0.2s;
}

#mainNav .nav-link:hover {
    color: var(--text-primary);
}

/* === Hero === */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 6rem;
    padding-bottom: 4rem;
}

.hero-bg-effects {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.hero-glow {
    position: absolute;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 600px;
    background: radial-gradient(ellipse at center, rgba(16, 185, 129, 0.08) 0%, transparent 70%);
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(16, 185, 129, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(16, 185, 129, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-badge .badge {
    background: var(--accent-glow);
    color: var(--accent);
    font-weight: 500;
    font-size: 0.85rem;
    padding: 0.5rem 1.2rem;
    border: 1px solid var(--border-accent);
}

.hero-stat {
    text-align: center;
    padding: 0 0.5rem;
}

/* === Steps === */
.step-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.3s ease;
    position: relative;
}

.step-card:hover {
    border-color: var(--border-accent);
    background: var(--bg-card-hover);
    transform: translateY(-4px);
}

.step-number {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    width: 28px;
    height: 28px;
    background: var(--accent);
    color: #fff;
    border-radius: 50%;
    font-size: 0.8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-icon {
    width: 56px;
    height: 56px;
    background: var(--accent-glow);
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--accent);
    border: 1px solid var(--border-accent);
}

/* === Feature Cards === */
.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    border-color: var(--border-accent);
    background: var(--bg-card-hover);
    transform: translateY(-4px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--accent-glow);
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--accent);
    border: 1px solid var(--border-accent);
}

/* === Pricing === */
.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.1);
}

.pricing-featured {
    border-color: var(--accent);
    box-shadow: 0 0 40px rgba(16, 185, 129, 0.1);
}

.pricing-featured:hover {
    border-color: var(--accent);
    box-shadow: 0 0 60px rgba(16, 185, 129, 0.15);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 1rem;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pricing-amount {
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
}

.pricing-card .btn-primary {
    background: var(--accent);
    border-color: var(--accent);
}

.pricing-card .btn-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.3);
}

/* === Accordion / FAQ === */
.accordion-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px !important;
    margin-bottom: 0.75rem;
    overflow: hidden;
}

.accordion-button {
    background: var(--bg-card);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 1.25rem 1.5rem;
    box-shadow: none !important;
}

.accordion-button:not(.collapsed) {
    background: var(--bg-card-hover);
    color: var(--accent);
    box-shadow: none;
}

.accordion-button::after {
    filter: invert(1);
}

.accordion-button:not(.collapsed)::after {
    filter: invert(58%) sepia(60%) saturate(500%) hue-rotate(120deg) brightness(95%);
}

.accordion-body {
    padding: 0 1.5rem 1.25rem;
    font-size: 0.9rem;
    line-height: 1.7;
}

/* === CTA Box === */
.cta-box {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(16, 185, 129, 0.03) 100%);
    border: 1px solid var(--border-accent);
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(ellipse at center, rgba(16, 185, 129, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

/* === Footer === */
footer {
    background: var(--bg-body);
}

footer a:hover {
    color: var(--accent) !important;
}

/* === Responsive === */
@media (max-width: 991.98px) {
    .hero-section {
        min-height: auto;
        padding-top: 8rem;
        padding-bottom: 4rem;
    }

    .hero-section .display-3 {
        font-size: 2.5rem;
    }

    .py-6 {
        padding-top: 3.5rem;
        padding-bottom: 3.5rem;
    }

    #navbarNav {
        background: rgba(17, 24, 39, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-radius: 12px;
        padding: 1rem;
        margin-top: 0.5rem;
        border: 1px solid var(--border-color);
    }
}

@media (max-width: 575.98px) {
    .hero-section .display-3 {
        font-size: 2rem;
    }

    .pricing-card {
        max-width: 400px;
        margin: 0 auto;
    }

    .hero-stat {
        min-width: 80px;
    }
}

/* === Animations === */
@media (prefers-reduced-motion: no-preference) {
    .step-card,
    .feature-card,
    .pricing-card {
        opacity: 0;
        transform: translateY(20px);
        animation: fadeInUp 0.5s ease forwards;
    }

    .step-card:nth-child(1) { animation-delay: 0.1s; }
    .step-card:nth-child(2) { animation-delay: 0.2s; }
    .step-card:nth-child(3) { animation-delay: 0.3s; }

    .feature-card { animation-delay: 0.1s; }
    .col-md-6:nth-child(2) .feature-card { animation-delay: 0.15s; }
    .col-md-6:nth-child(3) .feature-card { animation-delay: 0.2s; }
    .col-md-6:nth-child(4) .feature-card { animation-delay: 0.25s; }
    .col-md-6:nth-child(5) .feature-card { animation-delay: 0.3s; }
    .col-md-6:nth-child(6) .feature-card { animation-delay: 0.35s; }

    @keyframes fadeInUp {
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
}