/* ============================================
   EXPOMINERIO 2026 - MODERN UI/UX
   ============================================ */

/* CSS Variables */
:root {
  --primary: #18233d;
  --primary-light: #24355a;
  --primary-deep: #10192d;
  --accent-1: #2f5ea9;
  --accent-2: #86b53e;
  --accent-3: #d6e85a;
  --gradient-main: linear-gradient(135deg, #244f9c 0%, #2f67b1 34%, #7ead43 72%, #d6e85a 100%);
  --gradient-accent: linear-gradient(135deg, #1d3472 0%, #2d62ab 52%, #84b23d 100%);
  --gradient-warm: linear-gradient(135deg, #315ea8 0%, #90be43 100%);
  --text-primary: #18233d;
  --text-secondary: #5f6f8d;
  --text-light: #ffffff;
  --bg-white: #ffffff;
  --bg-light: #f4f7fb;
  --bg-section: #ecf1f8;
  --border-color: #d8e0ec;
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 25px rgba(0,0,0,0.1), 0 10px 10px rgba(0,0,0,0.04);
  --shadow-2xl: 0 25px 50px rgba(0,0,0,0.15);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  --transition-fast: 0.15s ease;
  --transition: 0.3s ease;
  --transition-slow: 0.6s ease;
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Space Grotesk', sans-serif;
}

/* Reset & Base */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-white);
  overflow-x: hidden;
}

body.no-scroll {
  overflow: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul { list-style: none; }

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

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================
   PAGE LOADER
   ============================================ */
.page-loader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.loader-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid rgba(255,255,255,0.1);
  border-top-color: var(--accent-1);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.loader-text {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 4px;
  color: rgba(255,255,255,0.6);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.gradient-text {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent-1);
  margin-bottom: 16px;
}

.section-tag.light {
  color: var(--accent-1);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.section-title.light,
.light .section-title {
  color: var(--text-light);
}

.section-desc {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.7;
}

.section-header.center {
  text-align: center;
  margin-bottom: 60px;
}

.section-header.center .section-desc {
  margin-left: auto;
  margin-right: auto;
}

.section {
  padding: 100px 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  font-family: var(--font-primary);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.5px;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: var(--text-light);
  border: 1px solid rgba(214,232,90,0.25);
  box-shadow: 0 10px 24px rgba(24,35,61,0.18);
}

.btn-primary:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 16px 30px rgba(24,35,61,0.24);
}

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

.btn-outline:hover {
  border-color: var(--accent-1);
  color: var(--accent-1);
}

.btn-outline-light {
  background: transparent;
  color: var(--text-light);
  border: 2px solid rgba(255,255,255,0.3);
}

.btn-outline-light:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.6);
}

.btn-glow {
  background: var(--gradient-accent);
  color: var(--text-light);
  padding: 10px 24px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
  border: 1px solid rgba(214,232,90,0.22);
  box-shadow: 0 12px 26px rgba(24,35,61,0.22);
}

.btn-glow:hover {
  box-shadow: 0 18px 32px rgba(24,35,61,0.28);
  transform: translateY(-1px);
}

.btn-lg {
  padding: 18px 40px;
  font-size: 15px;
}

.btn-full {
  width: 100%;
}

/* Glass Effect */
.glass {
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.12);
}

/* Animations */
[data-animate] {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

[data-animate].visible {
  opacity: 1;
  transform: translate(0, 0);
}

/* ============================================
   HEADER
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition);
}

.header.scrolled {
  background: rgba(24, 35, 61, 0.94);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 12px 0;
  box-shadow: 0 12px 32px rgba(16, 25, 45, 0.22);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo img {
  height: 50px;
  transition: var(--transition);
}

.header.scrolled .logo img {
  height: 42px;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  color: rgba(255,255,255,0.75);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-light);
  background: rgba(47,94,169,0.18);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-light);
  border-radius: 2px;
  transition: var(--transition);
}

.mobile-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}
.mobile-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-slider {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-color: var(--primary-deep);
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.5s ease;
  transform: scale(1.05);
  will-change: opacity, transform;
}

.hero-slide.active {
  opacity: 1;
  animation: heroZoom 8s ease forwards;
}

@keyframes heroZoom {
  from { transform: scale(1.05); }
  to { transform: scale(1); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    180deg,
    rgba(16, 25, 45, 0.78) 0%,
    rgba(24, 35, 61, 0.62) 40%,
    rgba(16, 25, 45, 0.82) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--text-light);
  padding: 0 24px;
  max-width: 900px;
}

.hero-badge {
  display: inline-block;
  padding: 6px 20px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  background: rgba(24,35,61,0.3);
  border: 1px solid rgba(214,232,90,0.24);
  border-radius: var(--radius-full);
  margin-bottom: 32px;
  backdrop-filter: blur(10px);
  animation: fadeInDown 1s ease 0.2s backwards;
}

.hero-title {
  font-family: var(--font-display);
  margin-bottom: 20px;
  animation: fadeInUp 1s ease 0.4s backwards;
}

.hero-logo {
  margin-bottom: 32px;
  animation: fadeInUp 1s ease 0.4s backwards;
}

.hero-logo-img {
  max-width: clamp(280px, 50vw, 600px);
  height: auto;
  filter: drop-shadow(0 4px 20px rgba(0, 0, 0, 0.4));
}

.title-line {
  display: block;
  font-size: clamp(48px, 10vw, 96px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -2px;
}

.title-line.gradient-text {
  font-size: clamp(52px, 11vw, 104px);
}

.title-year {
  font-size: clamp(36px, 7vw, 72px);
  font-weight: 300;
  letter-spacing: 10px;
  opacity: 0.8;
}

.hero-subtitle {
  font-size: clamp(14px, 2vw, 20px);
  font-weight: 400;
  letter-spacing: 6px;
  text-transform: uppercase;
  opacity: 0.8;
  margin-bottom: 32px;
  animation: fadeInUp 1s ease 0.6s backwards;
}

.hero-date-location {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 40px;
  animation: fadeInUp 1s ease 0.8s backwards;
}

.hero-info-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 500;
}

.hero-info-item i {
  color: var(--accent-3);
}

.hero-info-divider {
  width: 1px;
  height: 20px;
  background: rgba(255,255,255,0.3);
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 60px;
  animation: fadeInUp 1s ease 1s backwards;
}

/* Countdown */
.countdown {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  animation: fadeInUp 1s ease 1.2s backwards;
}

.countdown-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 72px;
  padding: 16px 12px;
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
}

.countdown-value {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
}

.countdown-label {
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0.6;
  margin-top: 4px;
}

.countdown-separator {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 300;
  opacity: 0.4;
}

/* Hero Scroll Indicator */
.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.5);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
  animation: scrollPulse 2s ease infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.2); }
}

/* Hero Social */
.hero-social {
  position: absolute;
  right: 32px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.hero-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 50%;
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  transition: var(--transition);
}

.hero-social a:hover {
  background: var(--gradient-accent);
  color: var(--text-light);
  border-color: rgba(214,232,90,0.4);
  transform: scale(1.1);
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.section-about {
  background: var(--bg-white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-images {
  position: relative;
}

.about-img-main {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.about-img-main img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.about-img-main:hover img {
  transform: scale(1.03);
}

.about-img-secondary {
  position: absolute;
  bottom: -40px;
  right: -40px;
  width: 220px;
  height: 160px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
  border: 4px solid var(--bg-white);
}

.about-img-secondary img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-experience-badge {
  position: absolute;
  top: -24px;
  left: -24px;
  width: 100px;
  height: 100px;
  background: var(--gradient-accent);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 2;
}

.exp-number {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 800;
  color: var(--text-light);
  line-height: 1;
}

.exp-text {
  font-size: 9px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: rgba(255,255,255,0.9);
  text-align: center;
  line-height: 1.2;
}

.about-text .section-title {
  margin-bottom: 20px;
}

.about-description {
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-description strong {
  color: var(--text-primary);
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 32px;
}

.about-feature {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.feature-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(47,94,169,0.12), rgba(134,181,62,0.16));
  border-radius: var(--radius-sm);
  color: var(--accent-1);
  font-size: 18px;
}

.about-feature h4 {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 2px;
}

.about-feature p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* ============================================
   GALLERY SECTION
   ============================================ */
.section-gallery {
  background: var(--bg-light);
  padding-bottom: 0;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 260px;
  gap: 6px;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.gallery-item-lg {
  grid-column: span 2;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,22,40,0.8) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.4s ease;
  display: flex;
  align-items: flex-end;
  padding: 24px;
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-caption {
  color: var(--text-light);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* ============================================
   STATS SECTION
   ============================================ */
.section-stats {
  position: relative;
  overflow: hidden;
  color: var(--text-light);
}

.stats-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-attachment: scroll;
}

.stats-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(16, 25, 45, 0.94) 0%,
    rgba(24, 35, 61, 0.9) 55%,
    rgba(36, 53, 90, 0.88) 100%
  );
}

.stats-content {
  position: relative;
  z-index: 1;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}

.stat-card {
  padding: 32px 16px;
  text-align: center;
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.stat-card:hover {
  background: rgba(255,255,255,0.12);
  transform: translateY(-4px);
}

.stat-icon-wrap {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-accent);
  border-radius: 50%;
  font-size: 20px;
  color: var(--text-light);
}

.stat-value {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}

.stat-suffix {
  font-size: 13px;
  font-weight: 500;
  opacity: 0.7;
}

/* ============================================
   PROGRAM SECTION
   ============================================ */
.section-program {
  background: var(--bg-white);
}

.program-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.program-card {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.program-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-main);
  opacity: 0;
  transition: var(--transition);
}

.program-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.program-card:hover::before {
  opacity: 1;
}

.program-card.featured {
  background: var(--primary);
  border-color: transparent;
  color: var(--text-light);
}

.program-card.featured::before {
  opacity: 1;
}

.program-card.featured .program-items li {
  color: rgba(255,255,255,0.8);
}

.program-card.featured h3 {
  color: var(--text-light);
}

.program-day {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 80px;
  height: 80px;
  justify-content: center;
  background: var(--gradient-main);
  border-radius: var(--radius-md);
  margin-bottom: 24px;
}

.day-number {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 800;
  color: var(--text-light);
  line-height: 1;
}

.day-month {
  font-size: 12px;
  font-weight: 700;
  color: rgba(255,255,255,0.92);
  letter-spacing: 1px;
}

.program-info h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
}

.program-items {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.program-items li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.program-items li i {
  color: var(--accent-2);
  font-size: 14px;
  min-width: 14px;
}

/* ============================================
   CTA SECTION
   ============================================ */
.section-cta {
  position: relative;
  padding: 120px 0;
  overflow: hidden;
}

.cta-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-attachment: scroll;
}

.lazy-bg {
  opacity: 0;
  transition: opacity 0.6s ease;
}

.lazy-bg.is-loaded {
  opacity: 1;
}

.cta-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(16, 25, 45, 0.92) 0%,
    rgba(24, 35, 61, 0.84) 100%
  );
}

.cta-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--text-light);
}

.cta-content h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-content p {
  font-size: 17px;
  opacity: 0.8;
  margin-bottom: 40px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.cta-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.cta-info {
  display: flex;
  gap: 32px;
}

.cta-info-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  opacity: 0.7;
}

.cta-info-item i {
  color: var(--accent-3);
}

/* ============================================
   NEWS SECTION
   ============================================ */
.section-news {
  background: var(--bg-light);
}

.news-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.news-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.news-featured {
  grid-row: span 2;
}

.news-featured .news-image {
  height: 300px;
}

.news-image {
  height: 200px;
  overflow: hidden;
}

.news-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.news-content {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.news-tag {
  padding: 4px 12px;
  background: var(--gradient-accent);
  color: var(--text-light);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border-radius: var(--radius-full);
}

.news-date {
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.news-content h3 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-featured .news-content h3 {
  font-size: 22px;
  -webkit-line-clamp: 4;
}

.news-content p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
  flex: 1;
}

.news-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-1);
  font-size: 14px;
  font-weight: 600;
}

.news-link:hover {
  gap: 12px;
}

@keyframes newsCardIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.news-more {
  text-align: center;
  margin-top: 48px;
}

.section-loading {
  text-align: center;
  padding: 40px 0;
  color: var(--text-secondary);
  font-size: 15px;
}

.section-loading p {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.section-loading p::before {
  content: '';
  width: 20px;
  height: 20px;
  border: 2px solid var(--primary);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================
   SPONSORS SECTION
   ============================================ */
.section-sponsors {
  background: var(--bg-white);
}

.sponsors-tiers {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.sponsor-tier {
  text-align: center;
}

.tier-label {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.tier-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 24px;
  padding: 32px;
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.sponsor-logo-wrap {
  padding: 20px 28px;
  transition: var(--transition);
}

.sponsor-logo-wrap:hover {
  transform: scale(1.05);
}

.sponsor-logo-wrap img {
  height: 64px;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.6;
  transition: var(--transition);
}

.sponsor-logo-wrap:hover img {
  filter: grayscale(0%);
  opacity: 1;
}

.tier-official .sponsor-logo-wrap img {
  height: 104px;
}

.tier-rodio .sponsor-logo-wrap img {
  height: 88px;
}

.tier-diamante .sponsor-logo-wrap img {
  height: 76px;
}

.tier-ouro .sponsor-logo-wrap img {
  height: 68px;
}

.tier-apoio .sponsor-logo-wrap img {
  height: 60px;
}

.tier-prata .sponsor-logo-wrap img {
  height: 58px;
}

.tier-bronze .sponsor-logo-wrap img {
  height: 54px;
}

.sponsor-empty-state {
  min-height: 72px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed rgba(47,94,169,0.24);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.48);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.3px;
}

/* Exhibitors */
.exhibitors-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 21px;
  margin-top: 40px;
}

.exhibitor-logo-wrap {
  padding: 42px;
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.exhibitor-logo-wrap:hover {
  border-color: var(--accent-1);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.exhibitor-logo-wrap img {
  height: 81px;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.5;
  transition: var(--transition);
}

.exhibitor-logo-wrap:hover img {
  filter: grayscale(0%);
  opacity: 1;
}

/* Partners */
.partners-row {
  display: flex;
  justify-content: center;
  gap: 80px;
  flex-wrap: wrap;
  margin-top: 80px;
  padding-top: 60px;
  border-top: 1px solid var(--border-color);
}

.partner-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 20px;
}

.partner-logos {
  display: flex;
  align-items: center;
  gap: 24px;
}

.partner-logos img {
  height: 45px;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.6;
  transition: var(--transition);
}

.partner-logos img:hover {
  filter: grayscale(0%);
  opacity: 1;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.section-contact {
  background: var(--primary);
  color: var(--text-light);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-desc {
  color: rgba(255,255,255,0.7);
  font-size: 16px;
  margin-bottom: 40px;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  color: var(--accent-3);
  font-size: 18px;
}

.contact-item h4 {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 4px;
}

.contact-item a,
.contact-item span {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  line-height: 1.6;
}

.contact-item a:hover {
  color: var(--accent-3);
}

/* Newsletter Card */
.newsletter-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(214,232,90,0.14);
  border-radius: var(--radius-lg);
  padding: 40px;
  backdrop-filter: blur(10px);
}

.newsletter-card h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.newsletter-card > p {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 28px;
}

.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group input {
  width: 100%;
  padding: 14px 20px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  color: var(--text-light);
  font-family: var(--font-primary);
  font-size: 14px;
  transition: var(--transition);
  outline: none;
}

.form-group input::placeholder {
  color: rgba(255,255,255,0.4);
}

.form-group input:focus {
  border-color: var(--accent-1);
  background: rgba(255,255,255,0.12);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--primary-deep);
  padding: 60px 0 30px;
  color: var(--text-light);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-logo {
  height: 48px;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
  max-width: 300px;
}

.footer-links h4,
.footer-social-col h4 {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--accent-3);
  padding-left: 4px;
}

.footer-socials {
  display: flex;
  gap: 12px;
}

.footer-socials a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 50%;
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  transition: var(--transition);
}

.footer-socials a:hover {
  background: var(--gradient-accent);
  color: var(--text-light);
  border-color: rgba(214,232,90,0.24);
}

.footer-bottom {
  padding-top: 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(255,255,255,0.35);
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-accent);
  color: var(--text-light);
  border: none;
  border-radius: 50%;
  font-size: 16px;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Large Tablets */
@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .about-grid {
    gap: 50px;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 240px;
  }

  .gallery-item-lg {
    grid-column: span 1;
  }

  .program-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

/* Tablets */
@media (max-width: 768px) {
  .section {
    padding: 72px 0;
  }

  /* Nav */
  .nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 22, 40, 0.98);
    backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
  }

  .nav.active {
    opacity: 1;
    visibility: visible;
  }

  .nav-list {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .nav-link {
    font-size: 20px;
    padding: 12px 24px;
  }

  .mobile-toggle {
    display: flex;
    z-index: 1001;
  }

  .header-actions .btn-glow {
    display: none;
  }

  /* Hero */
  .hero-social {
    display: none;
  }

  .hero-info-divider {
    display: none;
  }

  .hero-date-location {
    flex-direction: column;
    gap: 12px;
  }

  .countdown {
    gap: 8px;
  }

  .countdown-item {
    min-width: 60px;
    padding: 12px 8px;
  }

  .countdown-value {
    font-size: 22px;
  }

  /* About */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .about-img-secondary {
    right: 16px;
    bottom: -24px;
    width: 180px;
    height: 130px;
  }

  .about-features {
    grid-template-columns: 1fr;
  }

  /* Stats */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* News */
  .news-grid {
    grid-template-columns: 1fr;
  }

  .news-featured {
    grid-row: span 1;
  }

  /* Exhibitors */
  .exhibitors-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Contact */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  /* Footer */
  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  /* Partners */
  .partners-row {
    gap: 40px;
  }
}

/* Mobile */
@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .title-line {
    font-size: 40px;
  }

  .title-line.gradient-text {
    font-size: 44px;
  }

  .title-year {
    font-size: 30px;
  }

  .hero-ctas {
    flex-direction: column;
    width: 100%;
  }

  .hero-ctas .btn {
    width: 100%;
  }

  .countdown-item {
    min-width: 50px;
    padding: 10px 6px;
  }

  .countdown-value {
    font-size: 18px;
  }

  .countdown-separator {
    font-size: 18px;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 200px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .stat-card {
    padding: 20px 12px;
  }

  .stat-value {
    font-size: 24px;
  }

  .exhibitors-grid {
    grid-template-columns: 1fr 1fr;
  }

  .sponsor-logo-wrap img {
    height: 46px !important;
  }

  .tier-official .sponsor-logo-wrap img {
    height: 72px !important;
  }

  .tier-rodio .sponsor-logo-wrap img {
    height: 58px !important;
  }

  .tier-diamante .sponsor-logo-wrap img {
    height: 52px !important;
  }

  .tier-ouro .sponsor-logo-wrap img {
    height: 48px !important;
  }

  .tier-apoio .sponsor-logo-wrap img {
    height: 44px !important;
  }

  .tier-prata .sponsor-logo-wrap img {
    height: 44px !important;
  }

  .tier-bronze .sponsor-logo-wrap img {
    height: 42px !important;
  }

  .exhibitor-logo-wrap {
    padding: 22px;
  }

  .exhibitor-logo-wrap img {
    height: 50px;
  }

  .partner-logos {
    flex-wrap: wrap;
    justify-content: center;
  }

  .cta-info {
    flex-direction: column;
    gap: 12px;
  }
}

/* ============================================
   MAP SECTION (index.html preview)
   ============================================ */
.section-map {
  background: var(--bg-section);
}

.map-preview {
  max-width: 800px;
  margin: 0 auto;
}

.map-preview-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.map-stat-item {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 24px 16px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.map-stat-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.map-stat-item i {
  font-size: 24px;
  color: var(--accent-2);
  margin-bottom: 12px;
}

.map-stat-item.available i { color: #10b981; }
.map-stat-item.reserved i { color: #f59e0b; }
.map-stat-item.sold i { color: #ef4444; }

.map-stat-value {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 6px;
}

.map-stat-label {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}

.map-preview-cta {
  text-align: center;
}

.map-preview-cta .btn-lg {
  padding: 16px 32px;
  font-size: 16px;
  border-radius: var(--radius-md);
}

.map-cta-sub {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 12px;
}

@media (max-width: 768px) {
  .map-preview-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}