/* ============================================================
   Flash Usdt - stylesheet (SOLID theme, NO glassmorphism / NO blur)
   Palette (as per reference):
     background #0d1117 | card/panel #161b22 | border #374151
     text #c9d1d9 | secondary #8b949e | muted #6b7280
     primary(blue) #259EB3 | hover #259EB3 | accent #259EB3
     lightning #facc15 | pro(green) #22c55e / #4ade80
   ============================================================ */
html { scroll-behavior: smooth; }

body {
    background: #0d1117;
    color: #c9d1d9;
    font-family: 'Poppins', sans-serif;
    overflow-x: hidden;
    min-height: 100vh;
}

:root {
    --bg: #0d1117;
    --card: #161b22;
    --border: #374151;
    --text: #c9d1d9;
    --text-secondary: #8b949e;
    --text-muted: #6b7280;
    --accent: #facc15;
    --primary: #259EB3;
    --primary-hover: #259EB3;
    --primary-accent: #259EB3;
    --primary-ring: rgba(37, 158, 179, 0.35);
    --primary-glow: 0 0 24px rgba(37, 158, 179, 0.4);
    --pro: #22c55e;
    --pro-soft: #4ade80;
    /* solid "glass" replacements (opaque, no blur) */
    --glass-bg: #161b22;
    --glass-bg-strong: #161b22;
    --glass-border: #374151;
    --glass-border-strong: #374151;
    --glass-highlight: 0 1px 0 rgba(255, 255, 255, 0.05);
    --glass-accent-border: rgba(37, 158, 179, 0.5);
    --glass-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.45);
    --glass-shadow-hover: 0 14px 30px -8px rgba(0, 0, 0, 0.55);
}

/* ---------- Background (star canvas only; glow blur removed) ---------- */
#bg-canvas { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
#bg-canvas::before { content: none; }
#bg-canvas::after { content: none; }
.main-content { position: relative; z-index: 1; }

/* ---------- Generic glass (now solid) ---------- */
.glass { background: var(--card); border: 1px solid var(--border); }
.glass-strong { background: var(--card); border: 1px solid var(--border); }

/* ---------- Header ---------- */
.glass-header {
    background: #0d1117;
    border-bottom: 1px solid var(--border);
}
.glass-panel { background: var(--card); border: 1px solid var(--border); border-radius: 0.75rem; }
.glass-icon { color: var(--primary-accent); }

/* ---------- Nav ---------- */
.nav-link { position: relative; transition: color 0.2s ease; }
.nav-link::after {
    content: '';
    position: absolute; left: 0; bottom: -6px;
    width: 0; height: 2px;
    background: var(--primary-accent);
    transition: width 0.25s ease;
}
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-link.active { color: var(--primary-accent); }

/* ---------- Hero ---------- */
.hero-bg {
    background-color: #0d1117;
    background-image: radial-gradient(circle at 1px 1px, #161b22 1px, transparent 0);
    background-size: 25px 25px;
}
.hero-veil {
    position: absolute; inset: 0;
    background: linear-gradient(to bottom, rgba(13, 17, 23, 0.6), transparent 40%, rgba(13, 17, 23, 0.6));
    pointer-events: none;
}

/* ---------- Glass card (solid, blue mouse-glow on hover) ---------- */
.glass-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    position: relative;
    box-shadow: var(--glass-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.glass-card::after {
    content: '';
    position: absolute; inset: 0;
    border-radius: inherit;
    background: radial-gradient(800px circle at var(--mouse-x) var(--mouse-y), rgba(37, 158, 179, 0.15), transparent 40%);
    opacity: 0;
    transition: opacity 0.4s ease-out;
    pointer-events: none;
}
.glass-card:hover::after { opacity: 1; }
.glass-card:hover { transform: translateY(-5px); border-color: var(--glass-accent-border); box-shadow: var(--glass-shadow-hover); }
.stats-box.glass-card:hover { transform: translateY(-4px); }
.faq-item.glass-card { border-radius: 0.625rem; }
.faq-item.glass-card:hover { border-color: rgba(37, 158, 179, 0.35); }
.how-it-works-card.glass-card:hover { transform: translateY(-6px); }

/* ---------- Buttons ---------- */
.glass-btn {
    background: var(--card);
    border: 1px solid var(--border);
    transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.2s ease;
}
.glass-btn:hover {
    border-color: var(--glass-accent-border);
    box-shadow: 0 10px 24px -12px rgba(37, 158, 179, 0.4), var(--glass-shadow);
    transform: translateY(-2px);
}
.glass-accent {
    background: var(--primary);
    border: 1px solid var(--primary);
    color: #fff;
    box-shadow: 0 14px 32px -12px rgba(37, 158, 179, 0.6);
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}
.glass-accent:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 20px 40px -14px rgba(37, 158, 179, 0.7);
}
.glass-chip {
    display: inline-flex;
    align-items: center;
    background: rgba(37, 158, 179, 0.12);
    border: 1px solid rgba(37, 158, 179, 0.3);
    border-radius: 0.5rem;
    padding: 0.375rem 0.75rem;
    color: var(--text);
    font-size: 0.875rem;
    font-weight: 500;
}

/* ---------- FAQ ---------- */
.faq-item {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 0.625rem;
    overflow: hidden;
    transition: border-color 0.25s ease;
}
.faq-item:hover { border-color: rgba(37, 158, 179, 0.35); }
.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    text-align: left;
    padding: 1.125rem 1.25rem;
    background: none;
    border: none;
    color: #ffffff;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    font-family: inherit;
}
.faq-question:hover { color: var(--primary-accent); }
.faq-question::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--primary-accent);
    transition: transform 0.3s ease;
}
.faq-question.open::after { transform: rotate(180deg); }
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
    color: var(--text-secondary);
}
.faq-answer.open { max-height: 400px; padding-top: 0.75rem; padding-bottom: 1.125rem; }

/* ---------- Stats text swap ---------- */
.stats-text-wrapper { height: 1.5rem; margin-top: 0.5rem; position: relative; overflow: hidden; }
.stats-text-original, .stats-text-hover { position: absolute; width: 100%; transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1); }
.stats-box:hover .stats-text-original { transform: translateY(-120%); }
.stats-text-hover { transform: translateY(120%); }
.stats-box:hover .stats-text-hover { transform: translateY(0); }
.stats-subtitle-wrap { height: 1.5rem; }

#stats-animated-p {
    display: inline-block;
    overflow: hidden;
    border-right: .15em solid var(--accent);
    white-space: nowrap;
    margin: 0;
    letter-spacing: .04em;
    animation: typing 3.5s steps(80, end) forwards, blink-caret .75s step-end infinite;
}
@keyframes typing { from { width: 0; } to { width: 100%; } }
@keyframes blink-caret { from, to { border-color: transparent; } 50% { border-color: var(--accent); } }
@keyframes blink-caret-mobile { from, to { opacity: 0; } 50% { opacity: 1; } }
@keyframes typing-reveal { from { clip-path: inset(0 100% 0 0); } to { clip-path: inset(0 0 0 0); } }

/* ---------- Icon hover ---------- */
.feature-icon-wrapper { transition: transform 0.3s ease-in-out; }
.feature-icon-wrapper:hover { transform: scale(1.12) rotate(-5deg); }

/* ---------- How it works card ---------- */
.how-it-works-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.how-it-works-card:hover {
    transform: translateY(-6px);
    border-color: rgba(37, 158, 179, 0.35);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.4);
}

/* ---------- Lightning ---------- */
.lightning-animation-container { position: relative; width: 260px; height: 260px; display: flex; justify-content: center; align-items: center; }
.lightning-icon {
    font-size: 140px;
    color: var(--accent);
    text-shadow: 0 0 12px rgba(250, 204, 21, 0.6), 0 0 28px rgba(245, 158, 11, 0.4);
    animation: flash-lightning 2.4s ease-in-out infinite;
}
@keyframes flash-lightning { 0%, 100% { transform: scale(1); opacity: 0.75; } 50% { transform: scale(1.08); opacity: 1; } }

/* ---------- Timed popup ---------- */
#timed-popup {
    position: fixed; bottom: 1.25rem; left: 1.25rem;
    background-color: var(--card);
    border: 1px solid var(--border);
    box-shadow: var(--glass-shadow-hover);
    border-radius: 0.875rem;
    padding: 0.875rem;
    display: flex; align-items: center; gap: 0.875rem;
    z-index: 1000;
    transform: translateX(-150%);
    opacity: 0;
    transition: transform 0.5s ease-out, opacity 0.5s ease-out;
    max-width: 340px;
}
#timed-popup.show { transform: translateX(0); opacity: 1; }
.popup-close-btn {
    position: absolute; top: 0.35rem; right: 0.5rem;
    background: none; border: none;
    color: var(--text-muted); cursor: pointer; font-size: 1.25rem; line-height: 1;
    transition: color 0.2s ease;
}
.popup-close-btn:hover { color: var(--accent); }

/* ---------- Mobile menu ---------- */
#mobile-menu { background: var(--bg); }
#mobile-menu.show { animation: slideDown 0.3s ease; }
@keyframes slideDown { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }

/* ---------- Packages (OTC DATA) - solid, reference-style ---------- */
.pkg-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    height: 100%;
    box-sizing: border-box;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.pkg-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: radial-gradient(800px circle at var(--mouse-x) var(--mouse-y), rgba(37, 158, 179, 0.15), transparent 40%);
    opacity: 0;
    transition: opacity 0.4s ease-out;
    pointer-events: none;
}
.pkg-card:hover::after { opacity: 1; }
.pkg-card:hover {
    transform: translateY(-5px);
    border-color: var(--glass-accent-border);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
}
.pkg-card--pro { border-color: var(--pro); }
.pkg-card--pro::after {
    background: radial-gradient(800px circle at var(--mouse-x) var(--mouse-y), rgba(34, 197, 94, 0.16), transparent 40%);
}
.pkg-card--pro:hover { border-color: var(--pro-soft); }
.pkg-badge {
    position: absolute;
    top: 0;
    right: 0;
    transform: translateY(-50%);
    background: var(--pro);
    color: #fff;
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 0.4rem 0.75rem;
    border-top-right-radius: 0.75rem;
    border-bottom-left-radius: 0.4rem;
    z-index: 10;
    white-space: nowrap;
    box-shadow: 0 8px 20px -10px rgba(34, 197, 94, 0.6);
}
.pkg-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    color: #fff;
    font-weight: 600;
    font-size: 0.875rem;
    border-radius: 0.5rem;
    padding: 0.625rem 1.25rem;
    text-decoration: none;
    background: var(--primary);
    border: 1px solid var(--primary);
    transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.2s ease;
}
.pkg-btn:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
    box-shadow: 0 12px 28px -12px rgba(37, 158, 179, 0.6);
    transform: translateY(-2px);
}
.pkg-btn--pro { background: var(--pro); border-color: var(--pro); }
.pkg-btn--pro:hover {
    background: var(--pro-soft);
    border-color: var(--pro-soft);
    box-shadow: 0 12px 28px -12px rgba(34, 197, 94, 0.6);
}

@media (min-width: 768px) and (max-width: 1023px) {
    .packages-grid > :last-child { grid-column: span 2 / span 2; max-width: calc(50% - 1.25rem); margin-inline: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 767px) {
    .lightning-animation-container { width: 180px; height: 180px; }
    .lightning-icon { font-size: 96px; }
    #timed-popup { left: 0.75rem; right: 0.75rem; bottom: 0.75rem; max-width: none; }
    .stats-subtitle-wrap { height: auto; min-height: 1.5rem; }
    #stats-animated-p {
        font-size: 0.8rem;
        white-space: normal;
        overflow: visible;
        border-right: none;
        animation: typing-reveal 3.5s steps(40, end) forwards;
    }
    #stats-animated-p::after {
        content: '';
        display: inline-block;
        width: .12em;
        height: 1em;
        margin-left: .08em;
        vertical-align: text-bottom;
        background: var(--accent);
        animation: blink-caret-mobile .75s step-end infinite;
    }
}
@media (max-width: 420px) {
    .lightning-animation-container { width: 140px; height: 140px; }
    .lightning-icon { font-size: 72px; }
}
@media (prefers-reduced-motion: reduce) {
    #bg-canvas::before, .lightning-icon { animation: none; }
}