/* ============================================================
   Chaotically Organized AI — Trade Pages Shared Stylesheet
   Mobile-first, tablet, desktop responsive
   ============================================================ */

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

:root {
    --tc: #3b82f6;
    --tc-dark: #1d4ed8;
    --tc-light: rgba(59,130,246,0.12);
    --tc-glow: rgba(59,130,246,0.25);
    --fs-xs: 0.72rem;
    --fs-sm: 0.85rem;
    --fs-base: 1rem;
    --fs-lg: 1.1rem;
    --fs-xl: 1.25rem;
    --radius: 1rem;
    --radius-sm: 0.6rem;
    --gap: 1rem;
}

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: #060a14;
    color: white;
    line-height: 1.55;
    min-width: 320px;
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
button, input, select, textarea { font-family: inherit; }

/* ---- Top bar ---- */
.topbar {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    background: rgba(255,255,255,0.04);
    border-bottom: 1px solid rgba(255,255,255,0.07);
    font-size: 0.72rem;
    color: #94a3b8;
}

.topbar a { color: white; text-decoration: none; font-weight: 700; }

@media (max-width: 479px) {
    .topbar { justify-content: center; text-align: center; }
}

/* ---- Nav ---- */
.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.07);
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(6,10,20,0.96);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    gap: 0.75rem;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    color: white;
    min-width: 0;
    flex-shrink: 1;
}

.nav-brand img { height: 2rem; width: auto; flex-shrink: 0; }

.nav-brand-text { min-width: 0; }
.nav-brand-text h1 {
    font-size: 0.88rem;
    font-weight: 900;
    letter-spacing: -0.02em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.nav-brand-text p {
    font-size: 0.6rem;
    color: #475569;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    white-space: nowrap;
}

@media (max-width: 399px) {
    .nav-brand-text { display: none; }
}

.nav-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-shrink: 0;
}

.nav-back {
    color: #64748b;
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.45rem 0.85rem;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 99px;
    transition: color 0.2s, border-color 0.2s;
    white-space: nowrap;
    min-height: 44px;
    display: flex;
    align-items: center;
}

.nav-back:hover { color: white; border-color: rgba(255,255,255,0.3); }

@media (max-width: 479px) {
    .nav-back { display: none; }
}

.nav-cta {
    background: var(--tc);
    color: white;
    text-decoration: none;
    font-weight: 800;
    font-size: 0.82rem;
    padding: 0.55rem 1.2rem;
    border-radius: 99px;
    transition: opacity 0.2s, transform 0.15s;
    white-space: nowrap;
    min-height: 44px;
    display: flex;
    align-items: center;
}

.nav-cta:hover { opacity: 0.85; transform: scale(1.03); }

/* ---- Hero ---- */
.hero {
    min-height: 85vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 4rem 1.25rem 3rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

@media (min-width: 768px) {
    .hero { padding: 5rem 2rem; min-height: 90vh; }
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 60% at 50% 20%, var(--tc-light), transparent 70%);
    pointer-events: none;
}

.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
    width: 100%;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--tc-light);
    border: 1px solid var(--tc);
    color: var(--tc);
    font-size: 0.68rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    padding: 0.35rem 0.9rem;
    border-radius: 99px;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: clamp(1.9rem, 7vw, 5rem);
    font-weight: 900;
    letter-spacing: -0.035em;
    line-height: 1.02;
    margin-bottom: 1.25rem;
}

.hero h1 .accent { color: var(--tc); }

.hero-sub {
    font-size: clamp(0.95rem, 2.5vw, 1.25rem);
    color: #94a3b8;
    max-width: 680px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    align-items: center;
    justify-content: center;
    margin-bottom: 3rem;
}

@media (min-width: 480px) {
    .hero-actions { flex-direction: row; flex-wrap: wrap; }
}

/* ---- Buttons ---- */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: var(--tc);
    color: white;
    text-decoration: none;
    font-weight: 800;
    font-size: 1rem;
    padding: 0.95rem 2rem;
    border-radius: 0.85rem;
    transition: opacity 0.2s, transform 0.15s;
    box-shadow: 0 0 40px var(--tc-glow);
    border: none;
    cursor: pointer;
    min-height: 52px;
    width: 100%;
    max-width: 320px;
}

.btn-primary:hover { opacity: 0.88; transform: translateY(-2px); }

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.15);
    color: white;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    padding: 0.95rem 2rem;
    border-radius: 0.85rem;
    transition: background 0.2s, transform 0.15s;
    min-height: 52px;
    width: 100%;
    max-width: 320px;
}

.btn-secondary:hover { background: rgba(255,255,255,0.12); transform: translateY(-2px); }

@media (min-width: 480px) {
    .btn-primary, .btn-secondary { width: auto; max-width: none; }
}

/* ---- Trust pills ---- */
.trust-pills {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
}

.trust-pill {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    padding: 0.35rem 0.75rem;
    border-radius: 99px;
    font-size: 0.72rem;
    font-weight: 600;
    color: #94a3b8;
}

/* ---- Sections ---- */
section { padding: 4rem 1.25rem; }

@media (min-width: 768px) { section { padding: 6rem 2rem; } }

.container { max-width: 1100px; margin: 0 auto; width: 100%; }

.section-label {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-weight: 700;
    color: var(--tc);
    margin-bottom: 0.85rem;
}

.section-title {
    font-size: clamp(1.6rem, 4.5vw, 3rem);
    font-weight: 900;
    letter-spacing: -0.03em;
    line-height: 1.08;
    margin-bottom: 1rem;
}

.section-body {
    font-size: var(--fs-lg);
    color: #64748b;
    max-width: 600px;
    line-height: 1.7;
}

/* ---- Money section ---- */
.money-section {
    background: rgba(255,255,255,0.02);
    border-top: 1px solid rgba(255,255,255,0.06);
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.money-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-top: 2.5rem;
}

@media (min-width: 560px) { .money-grid { grid-template-columns: repeat(3, 1fr); } }

.money-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius);
    padding: 1.75rem 1.5rem;
    text-align: center;
}

.money-num {
    font-size: clamp(2rem, 6vw, 3rem);
    font-weight: 900;
    letter-spacing: -0.04em;
    color: var(--tc);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.money-label { font-size: 0.85rem; color: #64748b; line-height: 1.55; }

/* ---- Why grid ---- */
.why-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-top: 2.5rem;
}

@media (min-width: 600px) { .why-grid { grid-template-columns: repeat(2, 1fr); } }

.why-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.07);
    border-radius: var(--radius);
    padding: 1.5rem;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    transition: border-color 0.2s, background 0.2s;
}

.why-card:hover { border-color: var(--tc); background: var(--tc-light); }

.why-icon { font-size: 1.6rem; flex-shrink: 0; margin-top: 0.1rem; }

.why-card h3 {
    font-size: 0.95rem;
    font-weight: 800;
    margin-bottom: 0.4rem;
    letter-spacing: -0.01em;
}

.why-card p { font-size: 0.85rem; color: #64748b; line-height: 1.65; }

/* ---- Comparison ---- */
.compare-section { background: #060a14; }

.compare-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
    margin-top: 2.5rem;
}

@media (min-width: 640px) { .compare-grid { grid-template-columns: 1fr 1fr; } }

.compare-bad {
    background: rgba(239,68,68,0.05);
    border: 1px solid rgba(239,68,68,0.2);
    border-radius: var(--radius);
    padding: 1.75rem;
}

.compare-bad h3 { font-size: 1rem; font-weight: 800; color: #f87171; margin-bottom: 1.25rem; }

.compare-good {
    background: rgba(34,197,94,0.05);
    border: 1px solid rgba(34,197,94,0.2);
    border-radius: var(--radius);
    padding: 1.75rem;
}

.compare-good h3 { font-size: 1rem; font-weight: 800; color: #4ade80; margin-bottom: 1.25rem; }

.compare-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.compare-list li {
    display: flex;
    gap: 0.65rem;
    font-size: 0.9rem;
    align-items: flex-start;
    line-height: 1.45;
}

/* ---- Features section ---- */
.features-section {
    background: rgba(255,255,255,0.02);
    border-top: 1px solid rgba(255,255,255,0.06);
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-top: 2.5rem;
}

@media (min-width: 480px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 800px) { .features-grid { grid-template-columns: repeat(3, 1fr); } }

.feature-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.07);
    border-radius: var(--radius);
    padding: 1.4rem;
    transition: border-color 0.2s;
}

.feature-card:hover { border-color: var(--tc); }
.feature-card .feat-icon { font-size: 1.4rem; margin-bottom: 0.65rem; }
.feature-card h3 { font-size: 0.9rem; font-weight: 800; margin-bottom: 0.35rem; }
.feature-card p { font-size: 0.82rem; color: #64748b; line-height: 1.6; }

/* ---- FAQ Section ---- */
.faq-section { background: #060a14; }

.faq-list {
    margin-top: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.faq-item {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    color: white;
    font-size: 0.95rem;
    font-weight: 700;
    text-align: left;
    padding: 1.25rem 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    min-height: 56px;
    transition: background 0.2s;
    letter-spacing: -0.01em;
}

.faq-question:hover { background: rgba(255,255,255,0.04); }

.faq-icon {
    font-size: 1.25rem;
    color: var(--tc);
    flex-shrink: 0;
    transition: transform 0.25s ease;
    font-style: normal;
}

.faq-item.open .faq-icon { transform: rotate(45deg); }

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 1.5rem;
}

.faq-item.open .faq-answer {
    max-height: 400px;
    padding: 0 1.5rem 1.25rem;
}

.faq-answer p {
    font-size: 0.88rem;
    color: #94a3b8;
    line-height: 1.75;
}

/* ---- CTA / Form section ---- */
.cta-section {
    background: linear-gradient(135deg, var(--tc-light) 0%, rgba(255,255,255,0.01) 70%);
    border-top: 1px solid var(--tc);
}

.cta-inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    align-items: start;
}

@media (min-width: 768px) { .cta-inner { grid-template-columns: 1fr 1fr; } }

.cta-copy h2 {
    font-size: clamp(1.6rem, 4vw, 2.5rem);
    font-weight: 900;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 1.1rem;
}

.cta-copy p { font-size: 0.95rem; color: #94a3b8; line-height: 1.7; margin-bottom: 1.4rem; }

.cta-facts { display: flex; flex-direction: column; gap: 0.55rem; }

.cta-fact {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-size: 0.88rem;
    font-weight: 600;
    color: #cbd5e1;
}

/* ---- Form ---- */
.cta-form {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius);
    padding: 1.75rem;
}

.cta-form h3 { font-size: 1.05rem; font-weight: 800; margin-bottom: 1.25rem; }

.form-field { margin-bottom: 0.9rem; }

.form-field label {
    display: block;
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 700;
    color: #94a3b8;
    margin-bottom: 0.35rem;
}

.form-field input,
.form-field select {
    width: 100%;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
    color: white;
    font-size: 16px; /* Prevents iOS zoom */
    padding: 0.8rem 1rem;
    border-radius: var(--radius-sm);
    outline: none;
    transition: border-color 0.2s;
    -webkit-appearance: none;
    appearance: none;
    min-height: 48px;
}

.form-field input::placeholder { color: #475569; }

.form-field input:focus,
.form-field select:focus { border-color: var(--tc); box-shadow: 0 0 0 3px var(--tc-light); }

.form-field select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2364748b' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 1rem center; padding-right: 2.5rem; }

.form-field select option { background: #0f172a; color: white; }

.form-submit {
    width: 100%;
    background: var(--tc);
    color: white;
    border: none;
    font-weight: 800;
    font-size: 1rem;
    padding: 1rem;
    border-radius: 0.75rem;
    cursor: pointer;
    margin-top: 0.4rem;
    transition: opacity 0.2s, transform 0.15s;
    box-shadow: 0 0 30px var(--tc-glow);
    min-height: 52px;
}

.form-submit:hover { opacity: 0.87; transform: translateY(-1px); }
.form-submit:active { transform: scale(0.98); }

/* ---- Footer ---- */
footer {
    padding: 2.5rem 1.25rem;
    border-top: 1px solid rgba(255,255,255,0.06);
    text-align: center;
    color: #334155;
    font-size: 0.78rem;
    line-height: 1.8;
}

footer strong { color: #64748b; }
footer a { color: #475569; text-decoration: none; }
footer a:hover { color: #94a3b8; }