:root {
    --dark-blue: #0F172A;
    --blue: #2563EB;
    --yellow: #FACC15;
    --white: #FFFFFF;
    --gray: #F1F5F9;
    --green: #22C55E;
    --red: #EF4444;
}

* { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Segoe UI', system-ui, sans-serif; }
body { background-color: var(--gray); color: var(--dark-blue); line-height: 1.6; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 1rem; }

.main-header { background: var(--dark-blue); color: var(--white); padding: 1.5rem 0; }
.logo-area { display: flex; align-items: center; gap: 1rem; margin-bottom: 1rem; }
.logo-area .icon { font-size: 2.5rem; }
.logo-area h1 { font-size: 1.5rem; line-height: 1.1; color: var(--yellow); }
.slogan { font-size: 0.9rem; opacity: 0.9; }
.main-nav { display: flex; gap: 1rem; flex-wrap: wrap; }
.main-nav a { color: var(--white); text-decoration: none; font-weight: 500; padding: 0.5rem; border-radius: 4px; transition: background 0.3s; }
.main-nav a:hover { background: rgba(255,255,255,0.1); }

.hero-card { background: var(--white); border-radius: 12px; padding: 2rem; text-align: center; box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1); margin: 2rem 0; border-top: 5px solid var(--blue); }
.hero-card h2 { color: var(--blue); font-size: 1.2rem; text-transform: uppercase; letter-spacing: 1px; }
.hero-card .date { font-size: 2rem; font-weight: bold; margin: 1rem 0; color: var(--dark-blue); }
.hero-card .name { font-size: 1.5rem; color: var(--blue); margin-bottom: 0.5rem; }
.hero-card .day { font-size: 1.1rem; color: #64748B; margin-bottom: 1.5rem; }
.hero-card .type { display: inline-block; background: var(--gray); padding: 0.25rem 0.75rem; border-radius: 20px; font-size: 0.85rem; font-weight: 600; }

.countdown { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin: 2rem 0; text-align: center; }
.countdown-item { background: var(--dark-blue); color: var(--white); padding: 1rem; border-radius: 8px; }
.countdown-item .number { font-size: 2rem; font-weight: bold; color: var(--yellow); display: block; }
.countdown-item .label { font-size: 0.8rem; text-transform: uppercase; }

.section-title { font-size: 1.5rem; margin: 3rem 0 1.5rem; padding-bottom: 0.5rem; border-bottom: 2px solid var(--blue); display: inline-block; }

.holiday-list { list-style: none; }
.holiday-item { background: var(--white); padding: 1rem; margin-bottom: 0.5rem; border-radius: 8px; display: flex; justify-content: space-between; align-items: center; border-left: 4px solid var(--blue); }
.holiday-item.ponto { border-left-color: var(--yellow); }
.holiday-item .h-date { font-weight: bold; min-width: 80px; }
.holiday-item .h-name { flex: 1; padding: 0 1rem; }
.holiday-item .h-type { font-size: 0.8rem; background: var(--gray); padding: 0.25rem 0.5rem; border-radius: 4px; }

.sponsors-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; margin: 2rem 0; }
.sponsor-card { background: var(--white); border-radius: 12px; overflow: hidden; box-shadow: 0 2px 4px rgba(0,0,0,0.05); transition: transform 0.2s; }
.sponsor-card:hover { transform: translateY(-3px); }
.sponsor-card.featured { border: 2px solid var(--yellow); grid-column: 1 / -1; }
.sponsor-img { width: 100%; height: 150px; object-fit: cover; background: var(--gray); }
.sponsor-body { padding: 1.5rem; }
.sponsor-body h3 { color: var(--dark-blue); margin-bottom: 0.5rem; }
.sponsor-body .category { color: var(--blue); font-size: 0.85rem; font-weight: 600; text-transform: uppercase; margin-bottom: 1rem; display: block; }
.sponsor-body .offer { background: #FEF9C3; color: #854D0E; padding: 0.75rem; border-radius: 6px; font-size: 0.9rem; margin-bottom: 1rem; font-style: italic; }
.sponsor-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 0.75rem 1rem; border-radius: 6px; text-decoration: none; font-weight: 600; font-size: 0.9rem; transition: opacity 0.2s; border: none; cursor: pointer; }
.btn:hover { opacity: 0.9; }
.btn-primary { background: var(--blue); color: var(--white); }
.btn-success { background: var(--green); color: var(--white); }
.btn-outline { background: transparent; border: 1px solid var(--dark-blue); color: var(--dark-blue); }

.quota-bar { background: var(--gray); height: 10px; border-radius: 5px; margin: 1rem 0; overflow: hidden; }
.quota-fill { background: var(--green); height: 100%; transition: width 0.5s; }

.main-footer { background: var(--dark-blue); color: var(--white); padding: 3rem 0; text-align: center; margin-top: 4rem; }
.footer-links { margin: 1.5rem 0; display: flex; justify-content: center; gap: 1.5rem; flex-wrap: wrap; }
.footer-links a { color: var(--gray); text-decoration: none; }
.copyright { opacity: 0.7; font-size: 0.9rem; }
.calendar-note { margin-top: 1.5rem; font-size: 0.85rem; opacity: 0.6; max-width: 600px; margin-left: auto; margin-right: auto; }

/* Admin PIN Keyboard */
.pin-keyboard { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.5rem; max-width: 300px; margin: 1rem auto; }
.pin-keyboard button { padding: 1rem; font-size: 1.2rem; background: var(--white); border: 1px solid #CBD5E1; border-radius: 8px; cursor: pointer; }
.pin-keyboard button:active { background: var(--gray); }
.pin-dots { display: flex; justify-content: center; gap: 0.5rem; margin: 1rem 0; }
.pin-dot { width: 12px; height: 12px; border-radius: 50%; background: #CBD5E1; }
.pin-dot.active { background: var(--blue); }

@media (min-width: 768px) {
    .sponsors-grid { grid-template-columns: repeat(2, 1fr); }
    .countdown { gap: 1.5rem; }
}
@media (min-width: 1024px) {
    .sponsors-grid { grid-template-columns: repeat(3, 1fr); }
    .main-nav { margin-left: auto; margin-bottom: 0; }
    .main-header .container { display: flex; align-items: center; }
}