/* ===== DESIGN TOKENS ===== */
:root {
    --bg-main:       #111214;
    --bg-sidebar:    #18191e;
    --bg-card:       #1f2128;
    --bg-input:      #272930;
    --bg-hover:      #2e3040;
    --accent:        #c9a84c;
    --accent-hover:  #b8952e;
    --accent-light:  rgba(201,168,76,.15);
    --text-primary:  #f0f1f5;
    --text-secondary:#9a9faf;
    --border:        #2c2e3a;
    --success:       #34d399;
    --danger:        #f87171;
    --warning:       #fbbf24;
    --radius:        12px;
    --radius-sm:     8px;
    --transition:    .2s ease;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

html, body {
    background: var(--bg-main);
    color: var(--text-primary);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    font-size: 16px;
    line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* ===== NAVBAR ===== */
#navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(17,18,20,.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 0 40px;
    height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: background var(--transition);
}

#navbar-logo { height: 56px; width: auto; object-fit: contain; }

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    font-size: .95rem;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    transition: color var(--transition), background var(--transition);
}
.nav-links a:hover { color: var(--text-primary); background: var(--bg-hover); }

#nav-cta {
    background: var(--accent);
    color: #111 !important;
    font-weight: 600 !important;
    padding: 9px 20px !important;
}
#nav-cta:hover { background: var(--accent-hover) !important; color: #111 !important; }

.nav-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    padding: 8px 10px;
    cursor: pointer;
    font-size: 1.2rem;
}

/* ===== HERO ===== */
#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px 20px 50px;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% -10%, rgba(201,168,76,.18) 0%, transparent 70%),
        radial-gradient(ellipse 60% 40% at 80% 80%, rgba(201,168,76,.06) 0%, transparent 60%);
    pointer-events: none;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: var(--accent-light);
    color: var(--accent);
    border: 1px solid rgba(201,168,76,.3);
    border-radius: 30px;
    padding: 6px 16px;
    font-size: .875rem;
    font-weight: 600;
    margin-bottom: 28px;
    letter-spacing: .02em;
}

#hero h1 {
    font-size: clamp(2.4rem, 6vw, 4rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 20px;
    color: var(--text-primary);
}

#hero h1 span { color: var(--accent); }

#hero p.lead {
    font-size: clamp(1rem, 2.5vw, 1.2rem);
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.hero-logo {
    display: block;
    max-width: 420px;
    width: 100%;
    height: auto;
    opacity: .9;
    margin: 0 auto 24px;
}

.hero-stats {
    display: flex;
    gap: 48px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 16px;
}

.hero-stat {
    text-align: center;
}
.hero-stat strong {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--accent);
}
.hero-stat span {
    font-size: .875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ===== SECTION BASE ===== */
.section {
    padding: 96px 20px;
}

.section-alt {
    background: var(--bg-sidebar);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}
.section-header .badge-label {
    display: inline-block;
    background: var(--accent-light);
    color: var(--accent);
    border-radius: 20px;
    padding: 4px 14px;
    font-size: .8125rem;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: .04em;
    text-transform: uppercase;
}
.section-header h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 14px;
}
.section-header p {
    color: var(--text-secondary);
    font-size: 1.0625rem;
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ===== ABOUT ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
}

.about-text h2 {
    font-size: clamp(1.75rem, 3.5vw, 2.25rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 18px;
    line-height: 1.25;
}
.about-text h2 span { color: var(--accent); }
.about-text p {
    color: var(--text-secondary);
    font-size: 1.0625rem;
    line-height: 1.75;
    margin-bottom: 16px;
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-top: 28px;
}
.about-highlight {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}
.about-highlight-icon {
    width: 40px;
    height: 40px;
    background: var(--accent-light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1.1rem;
    flex-shrink: 0;
    margin-top: 2px;
}
.about-highlight-text strong {
    display: block;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 2px;
}
.about-highlight-text span {
    color: var(--text-secondary);
    font-size: .9375rem;
}

.about-visual {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 48px 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 360px;
    position: relative;
    overflow: hidden;
}
.about-visual::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 70% 60% at 50% 50%, rgba(201,168,76,.12) 0%, transparent 70%);
}
.about-visual img {
    max-width: 80%;
    height: auto;
    position: relative;
    z-index: 1;
    filter: drop-shadow(0 0 40px rgba(201,168,76,.25));
}

/* ===== FEATURE CARDS ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    max-width: 1100px;
    margin: 0 auto;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px;
    transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.feature-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(201,168,76,.08);
}

.feature-icon {
    width: 52px;
    height: 52px;
    background: var(--accent-light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1.4rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}
.feature-card p {
    color: var(--text-secondary);
    font-size: .9375rem;
    line-height: 1.65;
}

/* ===== FOR TABS (Artista / Colecionador) ===== */
.audience-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}
.audience-tab {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    padding: 10px 24px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}
.audience-tab:hover { background: var(--bg-hover); color: var(--text-primary); }
.audience-tab.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #111;
    font-weight: 600;
}

.audience-panel { display: none; }
.audience-panel.active { display: block; }

/* ===== HOW IT WORKS ===== */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
}

.step-card {
    text-align: center;
    padding: 32px 20px;
}

.step-number {
    width: 56px;
    height: 56px;
    background: var(--accent);
    color: #111;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 auto 20px;
}

.step-card h3 {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}
.step-card p {
    color: var(--text-secondary);
    font-size: .9375rem;
    line-height: 1.65;
}

/* ===== CTA SECTION ===== */
#cta-section {
    text-align: center;
    padding: 100px 20px;
    position: relative;
    overflow: hidden;
}

#cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 60% at 50% 50%, rgba(201,168,76,.12) 0%, transparent 70%);
    pointer-events: none;
}

#cta-section h2 {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    position: relative;
}
#cta-section h2 span { color: var(--accent); }
#cta-section p {
    color: var(--text-secondary);
    font-size: 1.0625rem;
    max-width: 520px;
    margin: 0 auto 40px;
    line-height: 1.7;
    position: relative;
}

/* ===== BUTTONS ===== */
.btn-primary-dark {
    background: var(--accent);
    color: #111;
    border: none;
    border-radius: var(--radius-sm);
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition), transform var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}
.btn-primary-dark:hover { background: var(--accent-hover); transform: translateY(-2px); color: #111; }

.btn-secondary-dark {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background var(--transition), color var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}
.btn-secondary-dark:hover { background: var(--bg-hover); color: var(--text-primary); }

/* ===== FOOTER ===== */
#footer {
    background: var(--bg-sidebar);
    border-top: 1px solid var(--border);
    padding: 48px 40px 28px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    max-width: 1100px;
    margin: 0 auto 40px;
}

.footer-brand img {
    height: 36px;
    margin-bottom: 16px;
}
.footer-brand p {
    color: var(--text-secondary);
    font-size: .9375rem;
    line-height: 1.65;
    max-width: 300px;
}

.footer-col h4 {
    font-size: .875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--text-secondary);
    margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a {
    color: var(--text-secondary);
    font-size: .9375rem;
    transition: color var(--transition);
}
.footer-col a:hover { color: var(--accent); }

.footer-bottom {
    max-width: 1100px;
    margin: 0 auto;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}
.footer-bottom p {
    color: var(--text-secondary);
    font-size: .875rem;
}
.footer-bottom .footer-accent { color: var(--accent); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    #navbar { padding: 0 20px; }
    .nav-links { display: none; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: var(--bg-sidebar); border-bottom: 1px solid var(--border); padding: 12px; gap: 4px; }
    .nav-links.open { display: flex; }
    .nav-toggle { display: block; }

    .about-grid { grid-template-columns: 1fr; }
    .about-visual { min-height: 220px; padding: 32px; }

    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom { justify-content: center; text-align: center; }

    .hero-stats { gap: 28px; }
}

/* ===== UTILITIES ===== */
.text-accent { color: var(--accent); }
.container-lg { max-width: 1100px; margin: 0 auto; }
.divider { border: none; border-top: 1px solid var(--border); margin: 0; }