/* DESIGN RULES INTEGRATION */
:root {
  --primary-yellow: #f7db24;
  --shadow-yellow: #dcae4c;
  --primary-red: #eb261d;
  --shadow-red: #882c12;
  --primary-blue: #336faa;
  --primary-green: #009344;
  --primary-green-dark: #006e33;
  --dark-text: #1a1a1a;
  --light-bg: #f4f4f4;
  --white: #ffffff;
  --grey-text: #555555;
  --light-grey-text: #666666;
  --border-color: #eeeeee;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Franklin Gothic Medium", "Arial Narrow", Arial, sans-serif;
  color: var(--dark-text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4 {
  text-transform: uppercase;
  font-weight: 900;
}

h1 {
  margin-bottom: 20px;
}
h2 {
  margin-bottom: 30px;
}
h3 {
  margin-bottom: 15px;
}
h4 {
  margin-bottom: 10px;
}

a {
  text-decoration: none;
  color: inherit;
  transition: opacity 0.2s;
}

/* LAYOUT */
.container {
  width: 95%;
  max-width: 1566px;
  margin: auto;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}
@supports not (gap: 30px) {
  .grid-3 > * {
    margin: 15px;
  }
}

section {
  padding: 80px 0;
  border-bottom: 1px solid #ddd;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 40px;
  border-left: 10px solid var(--primary-blue);
  padding-left: 20px;
}

.bg-grey {
  background-color: var(--light-bg);
}

/* HEADER */
header {
  background: var(--white);
  padding: 1rem 0;
  padding-top: calc(1rem + env(safe-area-inset-top, 0px));
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000; /* Increased to stay above hero content and other elements */
  transition:
    box-shadow 0.4s ease-in-out,
    padding 0.3s ease;
  -webkit-transition:
    box-shadow 0.4s ease-in-out,
    padding 0.3s ease;
  -moz-transition:
    box-shadow 0.4s ease-in-out,
    padding 0.3s ease;
}

.header-shadow {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  padding: 8px 0;
  padding-top: calc(8px + env(safe-area-inset-top, 0px));
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav > * + * {
  margin-left: 20px;
}

.nav-logo img {
  display: block;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.8rem;
  color: var(--dark-text);
  cursor: pointer;
  z-index: 1100; /* Above nav-links and header */
  transition: color 0.3s ease;
  -webkit-transition: color 0.3s ease;
  margin-left: 1rem;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.mobile-menu-toggle.active {
  color: var(--primary-green);
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  font-size: 0.85rem;
}

.nav-links li + li {
  margin-left: 1.5rem;
}

.nav-links li a {
  color: var(--dark-text);
  font-weight: bold;
}

.nav-links li a:hover {
  color: var(--primary-blue);
}

.mobile-nav-overlay {
  display: none;
}

/* HERO SECTION */
.hero {
  display: flex;
  height: 100vh;
  width: 100vw;
}

.first-layer {
  height: 100vh;
  width: 100vw;
  position: relative; /* Changed from static/background carrier to container */
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0% 100%);
  -webkit-clip-path: polygon(0 0, 100% 0, 100% 100%, 0% 100%);
  overflow: hidden;
}

.banner-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  /* background-attachment: fixed; Optional: Parallax effect if desired, but might conflict with containing block */
  opacity: 0;
  transition: opacity 1.5s ease-in-out;
  -webkit-transition: opacity 1.5s ease-in-out;
  -moz-transition: opacity 1.5s ease-in-out;
  z-index: 1;
}

.banner-bg.active {
  opacity: 1;
  z-index: 2; /* Ensure active one is on top (below overlay) */
}

/* Replaces the gradient part of the old background-image */
.banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.9));
  z-index: 3;
}

.hero-content-box {
  padding: 40px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  max-width: 600px;
}

.hero-when,
.hero-where {
  width: 100%;
}

.hero-actions {
  margin-top: 30px;
  display: flex;
}

.btn-lg {
  padding: 15px 40px;
  font-size: 1.1rem;
  border-radius: 8px;
}

.btn-outline-white {
  background: transparent;
  color: white;
  border: 2px solid white;
}

.btn-outline-white:hover {
  background: white;
  color: var(--dark-text);
}

.mobile-title {
  display: none;
}

.when-where-container {
  display: flex;
  flex-direction: column;
  align-items: end;
  justify-content: center;
}

/* CARDS */
.card {
  background: var(--white);
  padding: 25px;
  border-radius: 5px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
  -webkit-transition:
    -webkit-transform 0.3s ease,
    box-shadow 0.3s ease;
}

.card-dashed {
  border: 2px dashed #ccc;
  padding: 40px;
  text-align: center;
}

.card-highlight-green {
  border-top: 5px solid var(--primary-green);
  text-align: center;
}

.card-highlight-green-left {
  border-left: 5px solid var(--primary-green);
}

.card-highlight-red {
  border-left: 5px solid #d9534f;
}

.card-highlight-grey {
  border-left: 5px solid #666;
}

.card-body {
  padding: 20px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

/* SPECIFIC CARD: HOTEL / TOURISM */
.hotel-card {
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
}

.hotel-img-wrapper {
  position: relative;
  width: 100%;
  height: 180px;
}

.hotel-img {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
}

.price-tag {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: var(--primary-green);
  color: white;
  padding: 6px 14px;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.2;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.price-tag .brl {
  font-size: 0.95rem;
  font-weight: bold;
}
.price-tag .usd {
  font-size: 0.75rem;
  opacity: 0.9;
  border-top: 1px solid rgba(255, 255, 255, 0.3);
  margin-top: 2px;
}

.hotel-details {
  display: flex;
  margin-bottom: 20px;
  padding-top: 15px;
  border-top: 1px solid var(--border-color);
}

.hotel-details > * + * {
  margin-left: 15px;
}

.detail-item {
  display: flex;
  align-items: center;
  font-size: 0.85rem;
  color: var(--grey-text);
}

.detail-item > .icon {
  margin-right: 6px;
}

/* BUTTONS */
.btn {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 4px;
  font-weight: bold;
  text-align: center;
  cursor: pointer;
  border: none;
  transition: all 0.15s;
  -webkit-transition: all 0.15s;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
}

.btn-primary {
  background-color: var(--primary-green);
  color: white !important;
}

.btn-primary:hover {
  background-color: var(--primary-green-dark);
}

.btn-dark {
  background-color: #333;
  color: white;
}

.btn-secondary {
  background-color: #666;
  color: white;
}

.btn-secondary:hover {
  background-color: #555;
}

.btn-block {
  display: block;
  width: 100%;
}

.btn-mt-auto {
  margin-top: auto;
}

/* UTILITIES */
.text-center {
  text-align: center;
}
.text-primary {
  color: var(--primary-blue);
}
.text-green {
  color: var(--primary-green);
}
.text-muted {
  color: var(--grey-text);
}
.text-dark {
  color: #333;
}
.font-bold {
  font-weight: bold;
}
.italic {
  font-style: italic;
}
.text-lowercase {
  text-transform: lowercase;
}
.text-inherit {
  color: inherit;
  text-decoration: none;
}

.text-1_1 {
  font-size: 1.1rem;
}
.text-1_5 {
  font-size: 1.5rem;
}
.text-1_8 {
  font-size: 1.8rem;
}
.text-3xl {
  font-size: 3rem;
}

.list-unstyled {
  list-style: none;
  padding: 0;
}
.list-relaxed {
  line-height: 2.2;
}
.pl-4 {
  padding-left: 20px;
}

.col-span-2 {
  grid-column: span 2;
}
.flex-col-between {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.action-buttons {
  display: flex;
  flex-wrap: wrap;
  margin-top: 25px;
}

.action-buttons > * {
  margin-right: 15px;
  margin-bottom: 15px;
}

.action-buttons > *:last-child {
  margin-right: 0;
}

.mb-1 {
  margin-bottom: 10px;
}
.mb-2 {
  margin-bottom: 20px;
}
.mb-3 {
  margin-bottom: 30px;
}
.mb-4 {
  margin-bottom: 40px;
}
.mt-1 {
  margin-top: 15px;
}
.mt-2 {
  margin-top: 20px;
}
.mt-3 {
  margin-top: 30px;
}
.mt-4 {
  margin-top: 40px;
}

.deadline-alert {
  color: var(--primary-red);
  font-weight: bold;
  border: 2px dashed var(--primary-red);
  padding: 15px;
  margin-bottom: 20px;
}

.deadline-alert-yellow {
  background: #fff3cd;
  color: #856404;
  border: 1px solid #ffeeba;
  padding: 15px;
  border-radius: 5px;
  margin: 20px 0;
  text-align: center;
  font-weight: bold;
}

.speaker-img {
  width: 100px;
  height: 100px;
  background: #ccc;
  border-radius: 50%;
  margin-bottom: 15px;
  background-position: center !important;
  background-repeat: no-repeat !important;
  background-size: cover !important;
  margin: 0 auto 15px;
}

/* FOOTER */
footer {
  background: #111;
  color: white;
  padding: 40px 0;
  text-align: center;
}

/* MEDIA QUERIES */

@media (max-width: 1233px) {
  nav > * + * {
    margin-left: 0px;
  }
}

/* Mobile & Tablet */
@media (max-width: 991px) {
  .section-title {
    font-size: 2rem;
  }
}

/* LOGO GRID SECTIONS */
.logo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  align-items: center;
  justify-content: center;
  margin-top: 40px;
}

.logo-item {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  background: var(--white);
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  height: 180px;
  transition:
    transform 0.3s ease,
    filter 0.3s ease;
  -webkit-transition:
    -webkit-transform 0.3s ease,
    -webkit-filter 0.3s ease;
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  background-origin: content-box;
  filter: grayscale(100%);
  -webkit-filter: grayscale(100%);
}

.logo-item:hover {
  /* transform: translateY(-5px); */
  filter: grayscale(0%);
}

/* LANGUAGE SWITCHER */
.lang-switcher {
  position: relative;
  display: inline-block;
  margin-left: 15px;
}

.lang-btn {
  background: none;
  border: 1px solid var(--border-color);
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: bold;
  font-size: 0.8rem;
  color: var(--dark-text);
  transition: all 0.3s ease;
  -webkit-transition: all 0.3s ease;
  touch-action: manipulation;
}

@supports not (gap: 8px) {
  .lang-btn > * {
    margin-right: 8px;
  }
  .lang-btn > *:last-child {
    margin-right: 0;
  }
}

.lang-btn:hover {
  background: var(--light-bg);
  border-color: var(--primary-blue);
}

.lang-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  display: none;
  flex-direction: column;
  min-width: 120px;
  z-index: 1000;
  padding-top: 5px;
}

.lang-dropdown::before {
  content: "";
  position: absolute;
  top: -10px;
  left: 0;
  width: 100%;
  height: 10px;
}

.lang-switcher:hover .lang-dropdown {
  display: flex;
}

.lang-option {
  padding: 10px 15px;
  cursor: pointer;
  display: flex;
  align-items: center;
  transition: background 0.2s;
  font-size: 0.85rem;
  font-weight: bold;
}

.lang-option > * + * {
  margin-left: 10px;
}

.lang-option:hover {
  background: var(--light-bg);
  color: var(--primary-blue);
}

.lang-option.active {
  background: var(--primary-blue);
  color: var(--white);
}

/* Mobile Adjustments for Header */
@media (max-width: 991px) {
  header {
    display: block;
  }

  .nav-container {
    justify-content: space-between;
  }

  .mobile-menu-toggle {
    display: block;
  }

  .nav-links {
    display: none;
  }

  .mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100vh;
    background: var(--white);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: calc(100px + env(safe-area-inset-top, 0px)) 20px
      calc(40px + env(safe-area-inset-bottom, 0px));
    transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    -webkit-transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2000; /* Higher than header and other elements */
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .mobile-nav-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--dark-text);
    cursor: pointer;
    z-index: 1010;
    padding: 10px;
    transition: color 0.3s ease;
  }

  .mobile-nav-close:hover {
    color: var(--primary-green);
  }

  .mobile-nav-overlay.active {
    left: 0;
  }

  .mobile-nav-links {
    list-style: none;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: center;
  }

  .mobile-nav-links li {
    width: 100%;
    text-align: center;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease;
  }

  .mobile-nav-overlay.active .mobile-nav-links li {
    opacity: 1;
    transform: translateY(0);
  }

  /* Staggered entrance for menu items */
  .mobile-nav-overlay.active li:nth-child(1) {
    transition-delay: 0.1s;
  }
  .mobile-nav-overlay.active li:nth-child(2) {
    transition-delay: 0.15s;
  }
  .mobile-nav-overlay.active li:nth-child(3) {
    transition-delay: 0.2s;
  }
  .mobile-nav-overlay.active li:nth-child(4) {
    transition-delay: 0.25s;
  }
  .mobile-nav-overlay.active li:nth-child(5) {
    transition-delay: 0.3s;
  }
  .mobile-nav-overlay.active li:nth-child(6) {
    transition-delay: 0.35s;
  }
  .mobile-nav-overlay.active li:nth-child(7) {
    transition-delay: 0.4s;
  }
  .mobile-nav-overlay.active li:nth-child(8) {
    transition-delay: 0.45s;
  }
  .mobile-nav-overlay.active li:nth-child(9) {
    transition-delay: 0.5s;
  }
  .mobile-nav-overlay.active li:nth-child(10) {
    transition-delay: 0.55s;
  }

  .mobile-nav-links li a {
    font-size: 1.5rem;
    padding: 10px;
    display: block;
    color: var(--dark-text);
    font-weight: bold;
  }

  .mobile-nav-links .btn-primary {
    width: auto;
    min-width: 200px;
    margin-top: 20px;
    font-size: 1.2rem;
  }

  .lang-switcher {
    margin-left: auto;
    margin-right: 15px;
  }
}

/* CTA REGISTER button */
.register-cta-btn {
  display: inline-block;
  padding: 0.9rem 1.8rem;
  font-size: 16px;
  font-weight: 700;
}

/* CTA Program button */
.program-cta-btn {
  display: inline-block;
  padding: 0.9rem 1.8rem;
  font-size: 16px;
  font-weight: 700;
  color: white;
  background: transparent;
}

.program-cta-btn:hover {
  text-decoration: underline;
}

.second-layer {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: calc(
    6rem + env(safe-area-inset-top, 0px)
  ); /* Increased from 4.5rem to clear fixed header more effectively */
}

.second-layer-container {
  width: 90%;
  max-width: 450px;
  padding: 40px 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.hero-badge {
  background: var(--primary-yellow);
  color: var(--dark-text);
  padding: 6px 18px;
  border-radius: 20px;
  font-weight: 800;
  font-size: 0.75rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 25px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.hero-mobile-logo {
  width: 80px;
  height: auto;
  margin-bottom: 20px;
}

.hero-mobile-title {
  color: #fff;
  font-size: 2.5rem;
  line-height: 1.1;
  margin-bottom: 10px;
  font-weight: 900;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-mobile-title span {
  color: var(--primary-green);
  font-size: 1.8rem;
  display: block;
  margin-top: 5px;
}

.hero-mobile-subtitle {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  margin-bottom: 30px;
  line-height: 1.4;
}

.second-layer-container h2 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 8px;
  font-weight: 600;
  text-transform: none;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  margin-top: 25px;
}

.register-cta-btn {
  background: var(--primary-green);
  color: white;
  padding: 14px;
  border-radius: 12px;
  font-size: 1rem;
  box-shadow: 0 4px 15px rgba(0, 147, 68, 0.3);
}

.program-cta-btn {
  background: rgba(255, 255, 255, 0.1);
  color: white;
  padding: 14px;
  border-radius: 12px;
  font-size: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.btn-hotel {
  /* text-decoration: underline; */
}

/* Optimization for short viewports (e.g., 1366x768) */
@media (max-height: 800px) {
  .second-layer {
    padding-top: 4.5rem;
  }

  .second-layer-container {
    padding: 20px;
  }

  .hero-badge {
    margin-bottom: 15px;
  }

  .hero-mobile-logo {
    width: 60px;
    margin-bottom: 10px;
  }

  .hero-mobile-title {
    font-size: 2rem;
    margin-bottom: 5px;
  }

  .hero-mobile-title span {
    font-size: 1.5rem;
  }

  .hero-mobile-subtitle {
    margin-bottom: 15px;
    font-size: 0.75rem;
  }

  .second-layer-container h2 {
    margin-bottom: 4px;
    font-size: 0.9rem;
  }

  .hero-actions {
    margin-top: 15px;
    gap: 8px;
  }

  .register-cta-btn,
  .program-cta-btn {
    padding: 10px;
    font-size: 0.95rem;
  }
}