/* ==========================================================================
   QUINTO FORO DE MATERIALES - CANADEVI
   Premium Coming Soon / Event Landing Page
   ========================================================================== */

/* --------------------------------------------------------------------------
   0. CUSTOM PROPERTIES
   -------------------------------------------------------------------------- */
:root {
  /* Brand palette */
  --color-primary: #ffb73f;
  --color-primary-light: #ffd080;
  --color-primary-dark: #e09a20;
  --color-primary-rgb: 255, 183, 63;

  /* Backgrounds */
  --color-bg: #1c1c1c;
  --color-bg-light: #262626;
  --color-bg-card: rgba(255, 255, 255, 0.04);
  --color-bg-glass: rgba(255, 255, 255, 0.06);

  /* Text */
  --color-text: #ffffff;
  --color-text-muted: rgba(255, 255, 255, 0.6);
  --color-text-subtle: rgba(255, 255, 255, 0.35);

  /* Borders */
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-focus: var(--color-primary);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(var(--color-primary-rgb), 0.25);
  --shadow-glow-strong: 0 0 60px rgba(var(--color-primary-rgb), 0.4);

  /* Spacing */
  --section-padding: clamp(3rem, 8vw, 7rem);
  --container-max: 1200px;
  --container-narrow: 720px;

  /* Typography */
  --font-heading: 'Space Grotesk', 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'Space Grotesk', 'JetBrains Mono', monospace;

  /* Transitions */
  --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-fast: 0.2s var(--ease-out);
  --transition-base: 0.3s var(--ease-out);
  --transition-slow: 0.5s var(--ease-out);

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Glass effect */
  --glass-blur: blur(20px);
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: 1px solid rgba(255, 255, 255, 0.1);
}

/* --------------------------------------------------------------------------
   1. RESET & BASE
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
  color: var(--color-primary-light);
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

/* --------------------------------------------------------------------------
   2. CUSTOM SCROLLBAR
   -------------------------------------------------------------------------- */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
  background: rgba(var(--color-primary-rgb), 0.4);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(var(--color-primary-rgb), 0.7);
}

* {
  scrollbar-width: thin;
  scrollbar-color: rgba(var(--color-primary-rgb), 0.4) var(--color-bg);
}

/* --------------------------------------------------------------------------
   3. NAVBAR (#navbar / nav)
   -------------------------------------------------------------------------- */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: background-color var(--transition-base),
    padding var(--transition-base),
    backdrop-filter var(--transition-base),
    box-shadow var(--transition-base);
}

#navbar.scrolled {
  background-color: rgba(28, 28, 28, 0.0);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  padding: 0.75rem 0;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid var(--color-border);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo img {
  height: 40px;
  width: auto;
  transition: height var(--transition-base);
}

#navbar.scrolled .nav-logo img {
  height: 32px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  position: relative;
  padding: 0.25rem 0;
  transition: color var(--transition-base);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-base);
}

.nav-links a:hover {
  color: var(--color-text);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-bg) !important;
  padding: 0.5rem 1.25rem !important;
  border-radius: var(--radius-full);
  font-weight: 600 !important;
  letter-spacing: 0.04em !important;
  box-shadow: var(--shadow-glow);
  transition: all var(--transition-base) !important;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-strong);
  color: var(--color-bg) !important;
}

/* Hamburger */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --------------------------------------------------------------------------
   FULLSCREEN MOBILE MENU (CSS-animated)
   -------------------------------------------------------------------------- */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  visibility: hidden;
}

.mobile-menu.is-open,
.mobile-menu.is-closing {
  pointer-events: auto;
  visibility: visible;
}

.mobile-menu.is-closing {
  pointer-events: none;
}

/* Background wipe */
.mobile-menu__bg {
  position: absolute;
  inset: 0;
  background: rgba(12, 12, 12, 0.0);
  backdrop-filter: blur(30px) saturate(1.8);
  -webkit-backdrop-filter: blur(30px) saturate(1.8);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 0.5s cubic-bezier(0.76, 0, 0.24, 1);
}

.mobile-menu.is-open .mobile-menu__bg {
  transform: scaleY(1);
}

/* Content container */
.mobile-menu__content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  padding: 1.25rem;
}

/* Header */
.mobile-menu__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  opacity: 0;
  transform: translateY(-20px);
  transition: opacity 0.4s ease, transform 0.4s ease;
  transition-delay: 0s;
}

.mobile-menu.is-open .mobile-menu__header {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.3s;
}

.mobile-menu__header .nav-logo img {
  height: 36px;
}

/* Close X button */
.mobile-menu__close {
  width: 48px;
  height: 48px;
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  cursor: pointer;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.3s ease, background 0.3s ease, transform 0.3s ease;
}

.mobile-menu__close:hover {
  border-color: var(--color-primary);
  background: rgba(var(--color-primary-rgb), 0.1);
  transform: rotate(90deg);
}

.mobile-menu__close span {
  position: absolute;
  width: 20px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: background 0.3s ease;
}

.mobile-menu__close span:first-child {
  transform: rotate(45deg);
}

.mobile-menu__close span:last-child {
  transform: rotate(-45deg);
}

.mobile-menu__close:hover span {
  background: var(--color-primary);
}

/* Nav links container */
.mobile-menu__nav {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0 0.5rem;
}

/* Each link - staggered via data-index */
.mobile-menu__link {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.5rem 0;
  text-decoration: none;
  position: relative;
  opacity: 0;
  transform: translateX(-60px);
  transition: opacity 0.5s cubic-bezier(0.25, 1, 0.5, 1),
    transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
  transition-delay: 0s;
}

.mobile-menu.is-open .mobile-menu__link[data-index="0"] {
  transition-delay: 0.35s;
}

.mobile-menu.is-open .mobile-menu__link[data-index="1"] {
  transition-delay: 0.43s;
}

.mobile-menu.is-open .mobile-menu__link[data-index="2"] {
  transition-delay: 0.51s;
}

.mobile-menu.is-open .mobile-menu__link[data-index="3"] {
  transition-delay: 0.59s;
}

.mobile-menu.is-open .mobile-menu__link {
  opacity: 1;
  transform: translateX(0);
}

.mobile-menu__link lord-icon {
  flex-shrink: 0;
}

.mobile-menu__text {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 7vw, 2.75rem);
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.03em;
  transition: color 0.3s ease, transform 0.3s ease;
}

.mobile-menu__link:hover .mobile-menu__text,
.mobile-menu__link:active .mobile-menu__text {
  color: var(--color-primary);
  transform: translateX(8px);
}

/* Animated line under each link */
.mobile-menu__line {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, rgba(var(--color-primary-rgb), 0.4), transparent 80%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.7s cubic-bezier(0.25, 1, 0.5, 1);
  transition-delay: 0s;
}

.mobile-menu.is-open .mobile-menu__link[data-index="0"] .mobile-menu__line {
  transition-delay: 0.55s;
}

.mobile-menu.is-open .mobile-menu__link[data-index="1"] .mobile-menu__line {
  transition-delay: 0.63s;
}

.mobile-menu.is-open .mobile-menu__link[data-index="2"] .mobile-menu__line {
  transition-delay: 0.71s;
}

.mobile-menu.is-open .mobile-menu__link[data-index="3"] .mobile-menu__line {
  transition-delay: 0.79s;
}

.mobile-menu.is-open .mobile-menu__line {
  transform: scaleX(1);
}

/* CTA link special */
.mobile-menu__link--cta .mobile-menu__text {
  color: var(--color-primary);
}

.mobile-menu__link--cta:hover .mobile-menu__text {
  color: var(--color-primary-light);
}

/* Footer */
.mobile-menu__footer {
  text-align: center;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease;
  transition-delay: 0s;
  padding-bottom: env(safe-area-inset-bottom, 1rem);
}

.mobile-menu.is-open .mobile-menu__footer {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.7s;
}

.mobile-menu__footer p {
  font-size: 0.8rem;
  color: var(--color-text-subtle);
  margin-bottom: 0.25rem;
}

.mobile-menu__social {
  font-size: 0.7rem;
  color: var(--color-primary);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

/* --- Close/exit animation (.is-closing) --- */
.mobile-menu.is-closing .mobile-menu__footer {
  opacity: 0;
  transform: translateY(20px);
  transition-delay: 0s;
  transition-duration: 0.25s;
}

.mobile-menu.is-closing .mobile-menu__link {
  opacity: 0;
  transform: translateX(80px);
  transition-duration: 0.35s;
  transition-timing-function: cubic-bezier(0.55, 0, 1, 0.45);
}

.mobile-menu.is-closing .mobile-menu__link[data-index="3"] {
  transition-delay: 0.05s;
}

.mobile-menu.is-closing .mobile-menu__link[data-index="2"] {
  transition-delay: 0.12s;
}

.mobile-menu.is-closing .mobile-menu__link[data-index="1"] {
  transition-delay: 0.19s;
}

.mobile-menu.is-closing .mobile-menu__link[data-index="0"] {
  transition-delay: 0.26s;
}

.mobile-menu.is-closing .mobile-menu__line {
  transform: scaleX(0);
  transform-origin: right;
  transition-delay: 0s;
  transition-duration: 0.2s;
}

.mobile-menu.is-closing .mobile-menu__header {
  opacity: 0;
  transform: translateY(-20px);
  transition-delay: 0.2s;
  transition-duration: 0.3s;
}

.mobile-menu.is-closing .mobile-menu__bg {
  transform: scaleY(0);
  transform-origin: bottom center;
  transition-delay: 0.4s;
  transition-duration: 0.45s;
  transition-timing-function: cubic-bezier(0.76, 0, 0.24, 1);
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }
}

/* --------------------------------------------------------------------------
   4. HERO SECTION (#hero)
   -------------------------------------------------------------------------- */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(var(--color-primary-rgb), 0.12) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 20% 80%, rgba(var(--color-primary-rgb), 0.06) 0%, transparent 50%),
    radial-gradient(ellipse 50% 40% at 80% 20%, rgba(var(--color-primary-rgb), 0.04) 0%, transparent 50%),
    var(--color-bg);
}

.hero-gradient-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, transparent 40%, var(--color-bg) 100%);
  pointer-events: none;
  z-index: 1;
}

#hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 2;
  pointer-events: none;
}

.particle {
  position: absolute;
  background: rgba(var(--color-primary-rgb), 0.35);
  border-radius: 50%;
  animation: float linear infinite;
}

.hero-content {
  position: relative;
  z-index: 10;
  padding: 2rem 1.25rem;
  max-width: 900px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1.25rem;
  background: rgba(var(--color-primary-rgb), 0.12);
  border: 1px solid rgba(var(--color-primary-rgb), 0.25);
  border-radius: var(--radius-full);
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.25rem, 7vw, 4.5rem);
  font-weight: 800;
  line-height: 1.05;
  margin-bottom: 1rem;
}

.hero-title-line {
  display: block;
  background: linear-gradient(135deg, var(--color-text) 40%, var(--color-primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-title-accent {
  display: block;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: glowPulse 3s ease-in-out infinite;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  font-weight: 400;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   4a. COUNTDOWN TIMER
   -------------------------------------------------------------------------- */
.countdown-container,
#countdown {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: clamp(0.5rem, 2vw, 1.25rem);
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.countdown-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.countdown-box {
  display: flex;
  align-items: center;
  justify-content: center;
  width: clamp(60px, 15vw, 90px);
  height: clamp(70px, 18vw, 100px);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow:
    var(--shadow-md),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  position: relative;
  overflow: hidden;
}

.countdown-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.06), transparent);
  pointer-events: none;
}

.countdown-number {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 5vw, 2.5rem);
  font-weight: 700;
  color: var(--color-text);
  transition: transform var(--transition-fast);
}

.countdown-number.flip {
  animation: flipDown 0.6s var(--ease-spring);
}

.countdown-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-subtle);
  font-weight: 500;
}

.countdown-separator {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--color-primary);
  margin-top: clamp(12px, 3vw, 24px);
  animation: pulse 2s ease-in-out infinite;
}

.countdown-finished {
  font-size: clamp(1.25rem, 4vw, 2rem);
  font-weight: 700;
  color: var(--color-primary);
  text-align: center;
  padding: 2rem;
  animation: scaleIn 0.5s var(--ease-spring);
}

/* --------------------------------------------------------------------------
   4b. HERO ACTIONS & SCROLL INDICATOR
   -------------------------------------------------------------------------- */
.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
}

.scroll-line {
  width: 2px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-primary), transparent);
  border-radius: 2px;
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {

  0%,
  100% {
    opacity: 0.3;
    transform: scaleY(1);
  }

  50% {
    opacity: 1;
    transform: scaleY(1.2);
  }
}

/* --------------------------------------------------------------------------
   5. BUTTONS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 2.25rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  letter-spacing: 0.02em;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-bg);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-strong);
  color: var(--color-bg);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid rgba(var(--color-primary-rgb), 0.4);
}

.btn-outline:hover {
  background: rgba(var(--color-primary-rgb), 0.1);
  border-color: var(--color-primary);
  transform: translateY(-2px);
  color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   6. SCROLL ANIMATIONS
   -------------------------------------------------------------------------- */
.animate-in {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.animate-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-in.visible:nth-child(2) {
  transition-delay: 0.1s;
}

.animate-in.visible:nth-child(3) {
  transition-delay: 0.2s;
}

.animate-in.visible:nth-child(4) {
  transition-delay: 0.3s;
}

.animate-in.visible:nth-child(5) {
  transition-delay: 0.4s;
}

/* --------------------------------------------------------------------------
   7. SECTION COMMON STYLES
   -------------------------------------------------------------------------- */
#about,
#agenda,
#registro {
  padding: var(--section-padding) 0;
  position: relative;
  overflow: hidden;
}

.section-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  background: rgba(var(--color-primary-rgb), 0.1);
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(1.75rem, 5vw, 3rem);
  margin-bottom: 0.75rem;
  color: var(--color-text);
}

.gradient-line {
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-dark));
  background-size: 200% 100%;
  animation: gradientLine 4s linear infinite;
  margin: 0 auto 1rem;
  border-radius: 2px;
}

.section-description {
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  color: var(--color-text-muted);
  max-width: 550px;
  margin: 0 auto;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   8. ABOUT SECTION
   -------------------------------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 1rem;
}

@media (min-width: 640px) {
  .about-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .about-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.about-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.about-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-dark));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.about-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(var(--color-primary-rgb), 0.2);
}

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

.about-card lord-icon {
  margin-bottom: 1.25rem;
}

.about-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.about-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   9. AGENDA SECTION
   -------------------------------------------------------------------------- */
.agenda-coming-soon {
  text-align: center;
  padding: 3rem 2rem;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-xl);
  max-width: 700px;
  margin: 0 auto;
  box-shadow: var(--shadow-lg);
}

.agenda-coming-soon lord-icon {
  margin-bottom: 1.5rem;
}

.agenda-coming-soon h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--color-primary);
}

.agenda-coming-soon>p {
  font-size: 1rem;
  color: var(--color-text-muted);
  max-width: 500px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

.agenda-teaser {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}

@media (min-width: 640px) {
  .agenda-teaser {
    flex-direction: row;
    justify-content: center;
    gap: 2rem;
  }
}

.teaser-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.75rem 1.25rem;
  background: rgba(var(--color-primary-rgb), 0.06);
  border: 1px solid rgba(var(--color-primary-rgb), 0.12);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.teaser-item:hover {
  background: rgba(var(--color-primary-rgb), 0.12);
  border-color: rgba(var(--color-primary-rgb), 0.25);
  color: var(--color-text);
}

/* --------------------------------------------------------------------------
   10. REGISTRATION SECTION & FORM
   -------------------------------------------------------------------------- */
#registro {
  position: relative;
  overflow: hidden;
}

#registro::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(600px, 100vw);
  height: 600px;
  background: radial-gradient(circle, rgba(var(--color-primary-rgb), 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.registro-wrapper {
  max-width: var(--container-narrow);
  margin: 0 auto;
}

.form-container {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-xl);
  padding: clamp(1.5rem, 5vw, 3rem);
  box-shadow: var(--shadow-lg);
  position: relative;
}

/* Form loading state */
.form-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 3rem 1rem;
  color: var(--color-text-muted);
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid rgba(var(--color-primary-rgb), 0.2);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

/* Dynamic form styles */
.dynamic-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-field__icon {
  display: flex;
  align-items: center;
}

.form-field__icon lord-icon {
  width: 36px;
  height: 36px;
}

.form-field label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

.form-field__required {
  color: var(--color-primary);
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--transition-base),
    background var(--transition-base),
    box-shadow var(--transition-base);
  appearance: none;
  -webkit-appearance: none;
}

.form-field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23ffb73f' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-field textarea {
  min-height: 100px;
  resize: vertical;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--color-primary);
  background: rgba(var(--color-primary-rgb), 0.04);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.12);
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: var(--color-text-subtle);
}

/* Field error state */
.form-field--error input,
.form-field--error select,
.form-field--error textarea {
  border-color: #ff4d4d;
  box-shadow: 0 0 0 3px rgba(255, 77, 77, 0.12);
}

.form-field__error {
  font-size: 0.75rem;
  color: #ff6b6b;
  min-height: 0;
  transition: all var(--transition-base);
}

/* Shake animation for errors */
@keyframes shake {

  0%,
  100% {
    transform: translateX(0);
  }

  10%,
  30%,
  50%,
  70%,
  90% {
    transform: translateX(-4px);
  }

  20%,
  40%,
  60%,
  80% {
    transform: translateX(4px);
  }
}

.shake {
  animation: shake 0.5s ease-in-out;
}

/* Conditional field slide */
.form-field--conditional {
  overflow: hidden;
  transition: all 0.4s var(--ease-out);
}

.form-field--conditional.slide-down {
  animation: slideDown 0.4s var(--ease-out);
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
    max-height: 0;
  }

  to {
    opacity: 1;
    transform: translateY(0);
    max-height: 200px;
  }
}

/* Submit button */
.form-submit-btn {
  width: 100%;
  padding: 1rem 2rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-bg);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-glow);
  margin-top: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.form-submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-strong);
}

.form-submit-btn:active {
  transform: translateY(0);
}

.form-submit-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

/* Button loading spinner */
.btn-spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(28, 28, 28, 0.3);
  border-top-color: var(--color-bg);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

/* Error banner */
.form-error-banner {
  background: rgba(255, 77, 77, 0.15);
  border: 1px solid rgba(255, 77, 77, 0.3);
  color: #ff6b6b;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 500;
  text-align: center;
}

/* --------------------------------------------------------------------------
   11. SUCCESS MODAL
   -------------------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 1rem;
}

.modal-overlay.active {
  display: flex;
}

.modal-content {
  background: var(--color-bg-light);
  border: var(--glass-border);
  border-radius: var(--radius-xl);
  padding: clamp(2rem, 5vw, 3rem);
  max-width: 480px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-lg);
  animation: scaleIn 0.5s var(--ease-spring) forwards;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.3rem;
  transition: all var(--transition-base);
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-text);
}

.modal-content lord-icon {
  margin-bottom: 1rem;
}

.modal-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--color-primary);
}

.modal-content p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.modal-qr {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 1rem;
  margin: 1.5rem 0;
  box-shadow: var(--shadow-sm);
}

.modal-qr img {
  width: 180px;
  height: 180px;
  display: block;
}

.modal-qr-label {
  font-weight: 600;
  color: var(--color-primary) !important;
  font-size: 0.9rem !important;
  margin-bottom: 0.25rem !important;
}

.modal-email-note {
  font-size: 0.8rem !important;
  color: var(--color-text-subtle) !important;
  margin-bottom: 1.5rem !important;
}

.modal-close-btn {
  margin-top: 0.5rem;
}

/* Form-builder generated modal (fallback) */
.form-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 1rem;
  animation: fadeIn 0.3s var(--ease-out);
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.form-modal {
  background: var(--color-bg-light);
  border: var(--glass-border);
  border-radius: var(--radius-xl);
  padding: clamp(2rem, 5vw, 3rem);
  max-width: 480px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-lg);
  animation: scaleIn 0.5s var(--ease-spring) forwards;
  position: relative;
}

.form-modal__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.3rem;
  transition: all var(--transition-base);
}

.form-modal__close:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-text);
}

.form-modal__title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.form-modal__message {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.form-modal__qr {
  display: block;
  width: 180px;
  height: 180px;
  margin: 1.5rem auto;
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 0.75rem;
  box-shadow: var(--shadow-sm);
}

/* --------------------------------------------------------------------------
   12. FOOTER
   -------------------------------------------------------------------------- */
#footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding: 2.5rem 0;
}

.footer-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.footer-logo {
  height: 36px;
  width: auto;
  opacity: 0.7;
  transition: opacity var(--transition-base);
}

.footer-brand:hover .footer-logo {
  opacity: 1;
}

.footer-brand p {
  font-size: 0.8rem;
  color: var(--color-text-subtle);
  max-width: 400px;
}

.footer-divider {
  width: 80px;
  height: 1px;
  background: var(--color-border);
}

.footer-bottom {
  font-size: 0.75rem;
  color: var(--color-text-subtle);
}

/* --------------------------------------------------------------------------
   13. LORDICON DEFAULTS
   -------------------------------------------------------------------------- */
lord-icon {
  display: inline-block;
}

/* --------------------------------------------------------------------------
   14. KEYFRAMES
   -------------------------------------------------------------------------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0% {
    transform: translate(0, 0) scale(1);
    opacity: 0;
  }

  10% {
    opacity: 1;
  }

  50% {
    transform: translate(80px, -120px) scale(1.2);
    opacity: 0.7;
  }

  90% {
    opacity: 0.2;
  }

  100% {
    transform: translate(-40px, -250px) scale(0.8);
    opacity: 0;
  }
}

@keyframes pulse {

  0%,
  100% {
    box-shadow: 0 0 20px rgba(var(--color-primary-rgb), 0.25);
  }

  50% {
    box-shadow: 0 0 40px rgba(var(--color-primary-rgb), 0.45);
  }
}

@keyframes scaleIn {
  0% {
    transform: scale(0.85);
    opacity: 0;
  }

  100% {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes gradientLine {
  0% {
    background-position: 200% 0;
  }

  100% {
    background-position: -200% 0;
  }
}

@keyframes flipDown {
  0% {
    transform: perspective(400px) rotateX(-90deg);
    opacity: 0;
  }

  40% {
    transform: perspective(400px) rotateX(10deg);
    opacity: 1;
  }

  70% {
    transform: perspective(400px) rotateX(-5deg);
  }

  100% {
    transform: perspective(400px) rotateX(0deg);
    opacity: 1;
  }
}

@keyframes shimmer {
  0% {
    background-position: 200% 0;
  }

  100% {
    background-position: -200% 0;
  }
}

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

@keyframes glowPulse {

  0%,
  100% {
    filter: drop-shadow(0 0 0 rgba(var(--color-primary-rgb), 0));
  }

  50% {
    filter: drop-shadow(0 0 20px rgba(var(--color-primary-rgb), 0.3));
  }
}

/* --------------------------------------------------------------------------
   15. RESPONSIVE
   -------------------------------------------------------------------------- */
/* Mobile refinements */
@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    align-items: center;
    width: 100%;
    padding: 0 1rem;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 280px;
  }

  .countdown-container,
  #countdown {
    gap: 0.4rem;
  }

  .countdown-separator {
    font-size: 1.2rem;
    margin-top: 16px;
  }

  .countdown-box {
    width: 60px;
    height: 72px;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 0.95rem;
    padding: 0 0.5rem;
  }

  .section-container {
    padding: 0 1rem;
  }

  .form-container {
    padding: 1.25rem;
    border-radius: var(--radius-lg);
  }

  .agenda-coming-soon {
    padding: 2rem 1.25rem;
    border-radius: var(--radius-lg);
  }

  .teaser-item {
    font-size: 0.8rem;
    padding: 0.6rem 1rem;
  }

  .teaser-item lord-icon {
    width: 28px !important;
    height: 28px !important;
  }

  .modal-content {
    padding: 1.5rem;
    margin: 1rem;
    border-radius: var(--radius-lg);
  }
}

@media (max-width: 374px) {
  .countdown-box {
    width: 50px;
    height: 60px;
  }

  .countdown-number {
    font-size: 1.25rem;
  }

  #countdown {
    gap: 0.25rem;
  }

  .countdown-separator {
    font-size: 1rem;
  }

  .hero-content {
    padding: 1.5rem 0.75rem;
  }

  .hero-title {
    font-size: 1.75rem;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .hero-title {
    font-size: 3rem;
  }
}

@media (min-width: 1440px) {
  :root {
    --container-max: 1320px;
  }

  .hero-title {
    font-size: 5rem;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .animate-in {
    opacity: 1;
    transform: none;
  }

  .particle {
    display: none;
  }
}