/* ============================================
   RCC - Layout & Utilities
   ============================================ */

/* Container */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Grid System */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* Section */
.section {
  padding: var(--section-padding);
}

.section--gray {
  background-color: var(--bg-secondary);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--rcc-yellow);
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  width: 32px;
  height: 2px;
  background: var(--rcc-yellow);
  display: inline-block;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.section-title span {
  color: var(--rcc-blue);
}

[data-theme="dark"] .section-title span {
  color: var(--rcc-yellow);
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin-top: 16px;
  line-height: 1.75;
}

.section-header {
  margin-bottom: 64px;
}

.section-header--center {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  letter-spacing: 0.02em;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.15);
  opacity: 0;
  transition: opacity var(--transition);
}

.btn:hover::after {
  opacity: 1;
}

.btn-primary {
  background: var(--rcc-blue);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(26, 31, 168, 0.35);
}

.btn-primary:hover {
  background: var(--rcc-blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(26, 31, 168, 0.45);
}

.btn-yellow {
  background: var(--rcc-yellow);
  color: var(--black);
  box-shadow: 0 4px 20px rgba(240, 165, 0, 0.35);
}

.btn-yellow:hover {
  background: var(--rcc-yellow-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(240, 165, 0, 0.45);
}

.btn-outline {
  border: 2px solid var(--rcc-blue);
  color: var(--rcc-blue);
  background: transparent;
}

.btn-outline:hover {
  background: var(--rcc-blue);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-outline-white {
  border: 2px solid rgba(255,255,255,0.6);
  color: var(--white);
  background: transparent;
}

.btn-outline-white:hover {
  background: var(--white);
  color: var(--rcc-blue);
}

.btn-lg {
  padding: 18px 40px;
  font-size: 1rem;
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.badge-blue {
  background: rgba(26, 31, 168, 0.1);
  color: var(--rcc-blue);
}

.badge-yellow {
  background: rgba(240, 165, 0, 0.15);
  color: var(--rcc-yellow-dark);
}

/* Card */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid var(--border-color);
  transition: all var(--transition);
  box-shadow: var(--shadow-card);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--rcc-blue);
}

/* Divider */
.divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--rcc-blue), var(--rcc-yellow));
  margin: 20px 0;
  border-radius: 2px;
}

.divider--center {
  margin: 20px auto;
}

/* Flex Utilities */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.gap-8 { gap: 8px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }
.gap-32 { gap: 32px; }

/* Text Utilities */
.text-center { text-align: center; }
.text-yellow { color: var(--rcc-yellow); }
.text-blue { color: var(--rcc-blue); }
.text-muted { color: var(--text-muted); }
.fw-700 { font-weight: 700; }

/* Animate on scroll */
[data-aos] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

[data-aos].aos-animate {
  opacity: 1;
  transform: translateY(0);
}

[data-aos="fade-left"] {
  transform: translateX(-40px);
}

[data-aos="fade-left"].aos-animate {
  transform: translateX(0);
}

[data-aos="fade-right"] {
  transform: translateX(40px);
}

[data-aos="fade-right"].aos-animate {
  transform: translateX(0);
}

[data-aos="zoom-in"] {
  transform: scale(0.85);
}

[data-aos="zoom-in"].aos-animate {
  transform: scale(1);
}

/* Delay utilities */
[data-delay="100"] { transition-delay: 0.1s; }
[data-delay="200"] { transition-delay: 0.2s; }
[data-delay="300"] { transition-delay: 0.3s; }
[data-delay="400"] { transition-delay: 0.4s; }
[data-delay="500"] { transition-delay: 0.5s; }

/* Responsive */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .section-header { margin-bottom: 40px; }
}