:root {
  --bg: #0b0b0d;
  --bg-soft: #121217;
  --card: rgba(255, 255, 255, 0.06);
  --card-strong: rgba(255, 255, 255, 0.1);
  --text: #f5f7fb;
  --muted: #b8bec9;
  --line: rgba(255, 255, 255, 0.12);
  --primary: #ff315c;
  --primary-2: #ff7b54;
  --light: #ffffff;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  --radius-lg: 28px;
  --radius-md: 22px;
  --radius-sm: 16px;
  --transition: all 0.35s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(255, 49, 92, 0.12), transparent 28%),
    radial-gradient(circle at top right, rgba(255, 123, 84, 0.14), transparent 24%),
    linear-gradient(180deg, #09090b 0%, #111116 50%, #0d0d11 100%);
  color: var(--text);
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

a {
  text-decoration: none;
}

.section-space {
  padding: 110px 0;
}

.section-light {
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0));
}

.section-dark {
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 49, 92, 0.12), transparent 22%),
    linear-gradient(180deg, #0c0c10 0%, #111117 100%);
}

.section-kicker {
  display: inline-block;
  padding: 0.5rem 1rem;
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  color: #f8c5cf;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  backdrop-filter: blur(16px);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.05;
  font-weight: 800;
  margin: 1rem 0 1.2rem;
}

.section-text {
  font-size: 1.05rem;
  color: var(--muted);
  line-height: 1.85;
}

.section-intro {
  max-width: 720px;
}

/* Navbar */
.glass-nav {
  padding: 1rem 0;
  transition: var(--transition);
  background: transparent;
}

.glass-nav.scrolled {
  background: rgba(10, 10, 14, 0.78);
  backdrop-filter: blur(18px);
  box-shadow: 0 10px 40px rgba(0,0,0,0.22);
}

.navbar .nav-link {
  color: rgba(255,255,255,0.82);
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
  color: #ffffff;
}

.navbar .nav-link::after {
  content: "";
  position: absolute;
  bottom: 0.2rem;
  left: 0.6rem;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
  transition: var(--transition);
}

.navbar .nav-link:hover::after,
.navbar .nav-link.active::after {
  width: calc(100% - 1.2rem);
}

.brand-badge {
  width: 42px;
  height: 42px;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: white;
  font-weight: 800;
  box-shadow: 0 10px 30px rgba(255, 49, 92, 0.35);
}

/* Hero */
.hero-section {
  min-height: 100vh;
  position: relative;
  background:
    linear-gradient(135deg, rgba(10, 10, 14, 0.7), rgba(18, 18, 23, 0.8)),
    url("https://placehold.co/1600x1000/0d0d0f/ffffff?text=C%26A+Rock+in+Rio+2022");
  background-size: cover;
  background-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 25% 30%, rgba(255, 49, 92, 0.24), transparent 28%),
    radial-gradient(circle at 75% 20%, rgba(255, 123, 84, 0.14), transparent 24%),
    linear-gradient(180deg, rgba(7,7,10,0.45), rgba(7,7,10,0.82));
}

.hero-content {
  z-index: 2;
}

.text-gradient {
  background: linear-gradient(90deg, #ffffff 0%, #ffb2c2 40%, #ff8f72 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-text {
  max-width: 690px;
  font-size: 1.12rem;
}

.hero-btn {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  border: none;
  box-shadow: 0 18px 45px rgba(255, 49, 92, 0.25);
}

.hero-btn:hover {

  transform: translateY(-2px);
  filter: brightness(1.05);
}

.hero-card {
  position: relative;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 1.2rem;
  box-shadow: var(--shadow);
}

.hero-card-top {
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.hero-card-body {
  padding-top: 1.2rem;
}

.hero-check-list li {
  color: rgba(255,255,255,0.9);
  margin-bottom: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hero-check-list i {
  color: #ffb2c2;
}

.hero-mini-stats .mini-stat {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  border-radius: 18px;
  padding: 1rem 1rem;
  height: 100%;
}

.mini-stat-number {
  display: block;
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
}

.mini-stat-label {
  display: block;
  color: rgba(255,255,255,0.7);
  font-size: 0.92rem;
  margin-top: 0.2rem;
}

/* Particles */
.hero-particles {
  position: absolute;
  border-radius: 50%;
  filter: blur(8px);
  opacity: 0.5;
  animation: floatY 6s ease-in-out infinite;
}

.particle-1 {
  width: 180px;
  height: 180px;
  background: rgba(255, 49, 92, 0.2);
  top: 14%;
  right: 8%;
}

.particle-2 {
  width: 110px;
  height: 110px;
  background: rgba(255, 123, 84, 0.2);
  left: 10%;
  bottom: 18%;
  animation-delay: 1s;
}

.particle-3 {
  width: 70px;
  height: 70px;
  background: rgba(255, 255, 255, 0.14);
  right: 32%;
  bottom: 16%;
  animation-delay: 2s;
}

@keyframes floatY {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-18px); }
}

/* Stats strip */
.stats-strip {
  position: relative;
  margin-top: -40px;
  z-index: 3;
}

.stat-card {
  height: 100%;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  backdrop-filter: blur(16px);
  border-radius: 22px;
  padding: 1.6rem 1rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255,255,255,0.18);
}

.stat-card i {
  font-size: 1.7rem;
  color: #ffb2c2;
  margin-bottom: 0.9rem;
}

.stat-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
}

.stat-card p {
  color: var(--muted);
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Cards and panels */
.info-panel,
.analysis-card,
.notice-box,
.cta-panel,
.glass-box,
.insight-box,
.feature-card {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
}

.info-panel {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 1.4rem;
}

.info-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  flex-shrink: 0;
}

.info-icon i {
  color: white;
  font-size: 1.2rem;
}

.analysis-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.04));
  border: 1px solid rgba(255,255,255,0.1);
  padding: 2rem;
}

.analysis-card p {
  color: var(--muted);
  line-height: 1.8;
}

/* Carousel */
.premium-carousel {
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.08);
}

.premium-carousel img {
  height: 520px;
  object-fit: cover;
}

.premium-carousel .carousel-caption {
  left: 1.5rem;
  right: 1.5rem;
  bottom: 1.5rem;
  padding: 1.2rem;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(0,0,0,0.15), rgba(0,0,0,0.65));
  backdrop-filter: blur(8px);
}

.gallery-chip,
.gallery-tag {
  display: inline-block;
  background: rgba(255,255,255,0.18);
  border: 1px solid rgba(255,255,255,0.16);
  color: #fff;
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.7rem;
}

/* Feature cards */
.feature-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.04));
  border: 1px solid rgba(255,255,255,0.08);
  padding: 2rem 1.5rem;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: rgba(255,255,255,0.16);
}

.feature-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, rgba(255, 49, 92, 0.2), rgba(255, 123, 84, 0.18));
  border: 1px solid rgba(255,255,255,0.12);
}

.feature-icon i {
  font-size: 1.4rem;
  color: #fff;
}

.feature-card h4 {
  color: #fff;
  font-weight: 700;
  margin-bottom: 0.8rem;
}

.feature-card p {
  color: rgba(255,255,255,0.72);
  margin: 0;
  line-height: 1.75;
}

.glass-box {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 2rem;
  backdrop-filter: blur(18px);
}

.premium-progress {
  height: 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.12);
  overflow: hidden;
}

.premium-progress .progress-bar {
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
}

/* Timeline */
.timeline {
  position: relative;
  max-width: 950px;
  margin: 0 auto;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 34px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, rgba(255,255,255,0.1), rgba(255, 49, 92, 0.4), rgba(255,255,255,0.1));
}

.timeline-item {
  position: relative;
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.timeline-dot {
  position: relative;
  z-index: 2;
  width: 70px;
  height: 70px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  box-shadow: 0 16px 35px rgba(255, 49, 92, 0.25);
  flex-shrink: 0;
}

.timeline-dot i {
  color: #fff;
  font-size: 1.2rem;
}

.timeline-card {
  flex: 1;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 24px;
  padding: 1.5rem;
  transition: var(--transition);
}

.timeline-card:hover {
  transform: translateY(-4px);
}

.timeline-number {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: #f8c5cf;
  text-transform: uppercase;
  margin-bottom: 0.7rem;
}

.timeline-card h4 {
  font-weight: 700;
  margin-bottom: 0.7rem;
}

.timeline-card p {
  color: var(--muted);
  margin: 0;
  line-height: 1.8;
}

/* Gallery */
.gallery-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 280px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255,255,255,0.08);
}

.gallery-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
}

.gallery-card:hover img {
  transform: scale(1.06);
}

.gallery-lg {
  min-height: 640px;
}

.gallery-sm {
  min-height: 300px;
}

.gallery-overlay-card {
  position: absolute;
  inset: auto 1.2rem 1.2rem 1.2rem;
  background: linear-gradient(180deg, rgba(10,10,14,0.1), rgba(10,10,14,0.72));
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 22px;
  padding: 1.3rem;
  backdrop-filter: blur(8px);
}

.gallery-overlay-card h3,
.gallery-overlay-card p {
  color: white;
}

.notice-box {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1.1rem 1.2rem;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--muted);
}

.notice-box i {
  color: #ffb2c2;
  font-size: 1.15rem;
}

/* Insights */
.insight-box {
  position: relative;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 1.8rem;
  overflow: hidden;
  transition: var(--transition);

}

.insight-box:hover {
  transform: translateY(-6px);
  border-color: rgba(255,255,255,0.14);
}

.insight-number {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff;
  font-weight: 800;
  margin-bottom: 1rem;
}

.insight-box h4 {
  font-weight: 700;
  margin-bottom: 0.7rem;
}

.insight-box p {
  color: var(--muted);
  margin: 0;
  line-height: 1.75;
}

/* Accordion */
.premium-accordion .accordion-item {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px !important;
  overflow: hidden;
  margin-bottom: 1rem;
}

.premium-accordion .accordion-button {
  background: rgba(255,255,255,0.02);
  color: #fff;
  font-weight: 600;
  box-shadow: none !important;
}

.premium-accordion .accordion-button:not(.collapsed) {
  background: linear-gradient(90deg, rgba(255,49,92,0.14), rgba(255,123,84,0.12));
  color: #fff;
}

.premium-accordion .accordion-body {
  color: var(--muted);
  line-height: 1.8;
}

.premium-accordion .accordion-button::after {
  filter: invert(1);
}

/* CTA */
.cta-panel {
  padding: 2.5rem;
  border-radius: 30px;
  background:
    radial-gradient(circle at top left, rgba(255,49,92,0.14), transparent 30%),
    linear-gradient(135deg, rgba(255,255,255,0.08), rgba(255,255,255,0.05));
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: var(--shadow);
}

/* Footer */
.site-footer {
  padding: 2rem 0 3rem;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.footer-link {
  color: rgba(255,255,255,0.72);
  margin-left: 1.2rem;
  transition: var(--transition);
}

.footer-link:hover {
  color: #fff;
}

/* Modal */
.premium-modal {
  border-radius: 28px;
  background: linear-gradient(180deg, #191922, #101016);
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: var(--shadow);
}

.premium-modal .modal-body p {
  color: var(--muted);
  line-height: 1.8;
}

/* Responsive */
@media (max-width: 991.98px) {
  .section-space {
    padding: 85px 0;
  }

  .hero-section {
    min-height: auto;
    padding-top: 110px;
    padding-bottom: 70px;
  }

  .premium-carousel img {
    height: 380px;
  }

  .gallery-lg {
    min-height: 420px;
  }

  .timeline::before {
    left: 24px;
  }

  .timeline-dot {
    width: 52px;
    height: 52px;
  }

  .timeline-item {
    gap: 1rem;
  }
}

@media (max-width: 767.98px) {
  .section-title {
    font-size: 2rem;
  }

  .hero-card {
    padding: 1rem;
  }

  .premium-carousel img {
    height: 280px;
  }

  .gallery-lg,
  .gallery-sm {
    min-height: 260px;
  }

  .footer-link {
    display: inline-block;
    margin: 0.6rem 0.9rem 0 0;
  }

  .cta-panel {
    padding: 1.6rem;
  }
}