:root {
  --color-canvas-white: #ffffff;
  --color-ink-black: #000000;
  --color-graphite: #0f0f0f;
  --color-deep-slate: #1e1e1e;
  --color-ash-gray: #8d8d8d;
  --color-button-black: #0d111b;
  --color-sky-teal: #0098f2;
  --color-hot-pink: #f200ca;
  --color-vivid-violet: #6d56fc;
  --color-subtle-cream: #f7fafc;
  --color-custom-yellow: #cccc25;

  --font-sans-serif: 'Inter', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-open-runde: 'Inter', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-caveat: 'Caveat', cursive;

  --text-caption: 12px;
  --leading-caption: 1.2;
  --text-body-sm: 14px;
  --leading-body-sm: 1.43;
  --text-body: 16px;
  --leading-body: 1.5;
  --text-subheading: 20px;
  --leading-subheading: 1.25;
  --tracking-subheading: -0.24px;
  --text-heading: 32px;
  --leading-heading: 1.21;
  --tracking-heading: -0.64px;
  --text-heading-lg: 40px;
  --leading-heading-lg: 1.2;
  --tracking-heading-lg: -1.2px;
  --text-display: 64px;
  --leading-display: 1.13;
  --tracking-display: -2.368px;

  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;

  --spacing-4: 4px;
  --spacing-8: 8px;
  --spacing-12: 12px;
  --spacing-16: 16px;
  --spacing-20: 20px;
  --spacing-24: 24px;
  --spacing-32: 32px;
  --spacing-40: 40px;
  --spacing-48: 48px;
  --spacing-64: 64px;
  --spacing-80: 80px;
  --spacing-96: 96px;
  --spacing-100: 100px;

  --page-max-width: 1200px;
  --card-padding: 24px;

  --radius-cards: 20px;
  --radius-images: 32px;
  --radius-buttons: 100px;
  --radius-xl: 12px;

  --shadow-subtle: rgba(0, 0, 0, 0.06) 0px 2.5px 2.5px 0px;
  --shadow-subtle-2: rgb(36, 38, 40) 0px 0px 0px 1px, rgba(27, 28, 29, 0.48) 0px 1px 2px 0px;
  --shadow-float: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-open-runde);
  background-color: var(--color-canvas-white);
  color: var(--color-graphite);
  line-height: var(--leading-body);
  font-size: var(--text-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-ink-black);
  font-weight: var(--font-weight-semibold);
}

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

.container {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-24);
}

section {
  padding: var(--spacing-100) 0;
  position: relative;
}

.section-alt { background-color: var(--color-subtle-cream); }
.section-yellow { background-color: var(--color-custom-yellow); }

.display { font-size: var(--text-display); line-height: var(--leading-display); letter-spacing: var(--tracking-display); }
.heading-lg { font-size: var(--text-heading-lg); line-height: var(--leading-heading-lg); letter-spacing: var(--tracking-heading-lg); }
.heading { font-size: var(--text-heading); line-height: var(--leading-heading); letter-spacing: var(--tracking-heading); }
.subheading { font-size: var(--text-subheading); line-height: var(--leading-subheading); letter-spacing: var(--tracking-subheading); }
.body-sm { font-size: var(--text-body-sm); line-height: var(--leading-body-sm); }
.caption { font-size: var(--text-caption); line-height: var(--leading-caption); }
.handwritten {
  font-family: var(--font-caveat);
  font-weight: 600;
  opacity: 0;
  color: var(--color-accent);
  border-right: 2px solid var(--color-accent);
}

.handwritten.visible {
  opacity: 1;
}

@keyframes handwriting {
  0% {
    background-size: 0% 100%;
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  100% {
    background-size: 100% 100%;
    opacity: 1;
  }
}

/* Buttons */
.btn-primary {
  display: inline-block;
  background-color: var(--color-button-black);
  color: var(--color-canvas-white);
  padding: 14px 32px;
  border-radius: var(--radius-buttons);
  font-weight: var(--font-weight-medium);
  box-shadow: var(--shadow-subtle-2);
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
  text-align: center;
}

.btn-primary:hover { 
  background-color: #1a1f2e; 
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.btn-primary:active { transform: scale(0.98); }

.btn-secondary {
  display: inline-block;
  color: var(--color-graphite);
  padding: 14px 32px;
  font-weight: var(--font-weight-medium);
  transition: all 0.2s ease;
  border: 2px solid #e0e0e0;
  border-radius: var(--radius-buttons);
  background: white;
}

.btn-secondary:hover { 
  color: var(--color-ink-black);
  border-color: var(--color-ash-gray);
  transform: translateY(-2px);
}

/* Cards */
.card {
  background: var(--color-canvas-white);
  border-radius: var(--radius-cards);
  padding: var(--card-padding);
  box-shadow: var(--shadow-subtle);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
  border: 1px solid rgba(0,0,0,0.03);
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.card:hover .card-img img {
  transform: scale(1.05);
}

.card-img {
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  border-radius: var(--radius-xl);
  margin-bottom: var(--spacing-20);
  background-color: #f0f0f0;
}

.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.img-responsive {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-images);
  box-shadow: var(--shadow-subtle);
  object-fit: cover;
}

/* Header */
header {
  height: 80px;
  display: flex;
  align-items: center;
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo {
  font-size: 20px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-ink-black);
}

.logo img {
  height: 40px;
  transition: height 0.3s ease;
}

footer .logo img {
  height: 32px;
}

@media (max-width: 600px) {
  .logo img {
    height: 30px;
  }
  footer .logo img {
    height: 26px;
  }
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-32);
  align-items: center;
}

.nav-menu li a {
  color: var(--color-ash-gray);
  font-size: var(--text-body-sm);
}

.nav-menu li a:hover, .nav-menu li a.active { color: var(--color-ink-black); }

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

/* ===== HERO SECTION CON GRID Y ANIMACIONES DIVERTIDAS ===== */
.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(135deg, #0d111b 0%, #1a1f2e 100%);
  padding-bottom: var(--spacing-40);
}

/* Hero Images with Parallax */
.hero-images {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  overflow: hidden;
}

.hero-img-left, .hero-img-right {
  position: absolute;
  width: 220px;
  height: 280px;
  border-radius: var(--radius-images);
  overflow: hidden;
  box-shadow: var(--shadow-float);
  border: 3px solid rgba(255,255,255,0.1);
  will-change: transform;
}

.hero-img-left {
  left: 3%;
  top: 50%;
  transform: translateY(-50%);
}

.hero-img-right {
  right: 3%;
  top: 50%;
  transform: translateY(-50%);
}

.hero-img-left img, .hero-img-right img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Hero Content */
.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: 800px;
  padding: 0 var(--spacing-24);
}

/* Typewriter Title - JavaScript will handle this */
.typewriter-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 600;
  margin: 0 auto var(--spacing-24);
  min-height: 3em;
  opacity: 0;
  transition: opacity 0.3s;
  color: var(--color-text, #333);
}

.typewriter-title.visible {
  opacity: 1;
}

.typewriter-cursor {
  display: inline;
  animation: blink 0.7s infinite;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.hero-content .display {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

.hero-content .body {
  font-size: 1.125rem;
  max-width: 600px;
  margin: 0 auto var(--spacing-40);
  opacity: 0.9;
}

/* Hero Description Animation - Left to right reveal with size variation */
.hero-description {
  overflow: hidden;
}

.description-text {
  display: inline-block;
  opacity: 0;
  animation: revealText 1.2s ease-out forwards;
  animation-delay: 0.8s;
}

@keyframes revealText {
  0% {
    opacity: 0;
    transform: scale(0.95) translateX(-20px);
    filter: blur(4px);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.02) translateX(5px);
    filter: blur(0);
  }
  100% {
    opacity: 0.9;
    transform: scale(1) translateX(0);
    filter: blur(0);
  }
}

@keyframes fadeInScale {
  0% { opacity: 0; transform: scale(0.9); }
  100% { opacity: 1; transform: scale(1); }
}

/* Hover pulse only for description, not title */
.hero-description:hover {
  animation: gentlePulse 2s ease-in-out infinite;
}

@keyframes gentlePulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.08); }
}

.hero-actions {
  display: flex;
  gap: var(--spacing-16);
  justify-content: center;
  flex-wrap: wrap;
}

.hero-actions .btn-primary,
.hero-actions .btn-secondary {
  opacity: 0;
  animation: fadeInScale 0.6s ease-out forwards;
}

.hero-actions .btn-primary {
  animation-delay: 1.2s;
}

.hero-actions .btn-secondary {
  animation-delay: 1.4s;
}

.hero-actions .btn-primary,
.hero-actions .btn-secondary {
  opacity: 0;
  animation: fadeInScale 0.6s ease-out forwards;
}

.hero-actions .btn-primary {
  animation-delay: 1.2s;
}

.hero-actions .btn-secondary {
  animation-delay: 1.4s;
}

/* Grid Background */
.hero-grid {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  z-index: 1;
}

.hero-grid::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: 
    radial-gradient(circle at 30% 40%, rgba(0, 152, 242, 0.1) 0%, transparent 40%),
    radial-gradient(circle at 70% 60%, rgba(204, 204, 37, 0.08) 0%, transparent 40%);
}

/* Responsive Hero */
@media (max-width: 1200px) {
  .hero-images {
    display: none;
  }
}

@media (max-width: 768px) {
  .hero {
    min-height: 60vh;
  }
  
  .hero-content .display {
    font-size: 1.75rem;
  }
  
  .hero-content .body {
    font-size: 1rem;
  }
}

/* Pipeline Section - Monad Style Horizontal */
.how-it-works-section {
  padding: var(--spacing-100) 0;
  position: relative;
  overflow: hidden;
}

.parallax-section {
  position: relative;
}

.parallax-bg {
  position: absolute;
  top: -20%;
  left: 0;
  width: 100%;
  height: 140%;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
  will-change: transform;
}

.parallax-img {
  width: 100%;
  height: 80%;
  object-fit: cover;
  filter: grayscale(100%) brightness(0.95) contrast(1.1);
  opacity: 0.3;
}

.parallax-content {
  position: relative;
  z-index: 2;
}

@media (max-width: 992px) {
  .parallax-bg {
    display: none;
  }
}

.flow-horizontal {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-16);
  max-width: 1200px;
  margin: 0 auto;
}

/* Input Elements (Left) */
.flow-input {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-20);
  align-items: flex-start;
}

.input-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-8);
}

.input-item svg {
  width: 90px;
  height: auto;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.08));
  transition: transform 0.3s ease;
}

.input-item:hover svg {
  transform: scale(1.05);
}

.input-label {
  font-size: 11px;
  color: var(--color-ash-gray);
  font-weight: 500;
}

/* Connector Lines */
.flow-connector {
  flex: 1;
  max-width: 200px;
  height: 40px;
}

.flow-connector svg {
  width: 100%;
  height: 100%;
}

.flow-connector .line-path {
  animation: dotMove 1s linear infinite;
}

@keyframes dotMove {
  from {
    stroke-dashoffset: 12;
  }
  to {
    stroke-dashoffset: 0;
  }
}

/* Process Center */
.flow-process {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-8);
  padding: var(--spacing-16);
  background: var(--color-subtle-cream);
  border-radius: var(--radius-cards);
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  flex-shrink: 0;
}

.process-icon svg {
  width: 80px;
  height: auto;
}

.process-label {
  font-size: 12px;
  color: var(--color-ash-gray);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.lottie-stack {
  display: flex;
  flex-direction: row;
  gap: 16px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}

.lottie-player {
  display: block;
  width: auto !important;
  height: auto !important;
}

lottie-player {
  display: block;
  width: auto;
  height: auto;
}

/* Output Elements (Right) */
.flow-output {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-20);
  align-items: flex-end;
}

.output-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-8);
}

.output-item svg {
  width: 90px;
  height: auto;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.1));
  transition: transform 0.3s ease;
}

.output-item:hover svg {
  transform: scale(1.05);
}

.output-label {
  font-size: 11px;
  color: var(--color-ash-gray);
  font-weight: 500;
}

/* Responsive */
@media (max-width: 992px) {
  .how-it-works-section {
    padding: var(--spacing-64) 0;
  }
  
  .flow-horizontal {
    flex-direction: column;
    gap: var(--spacing-32);
  }
  
  .flow-input,
  .flow-output {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
  }
  
  .flow-connector {
    display: none;
  }
  
  .input-item svg,
  .output-item svg {
    width: 70px;
  }
}

@media (max-width: 600px) {
  .flow-process {
    padding: var(--spacing-12);
  }
  
  .process-icon svg {
    width: 60px;
  }
}

/* Content */
.hero .container {
  position: relative;
  z-index: 10;
  text-align: center;
}

.hero-content {
  max-width: 700px;
  margin: 0 auto;
  color: white;
}

.hero h1 { 
  margin-bottom: var(--spacing-24);
  color: white;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.hero p {
  max-width: 600px;
  margin: 0 auto var(--spacing-32);
  color: rgba(255,255,255,0.85);
  font-size: 20px;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-16);
  justify-content: center;
  flex-wrap: wrap;
}

.hero-actions .btn-primary {
  background: var(--color-custom-yellow);
  color: var(--color-ink-black);
  font-weight: 600;
}

.hero-actions .btn-primary:hover {
  background: #d4d420;
}

.hero-actions .btn-secondary {
  background: transparent;
  color: white;
  border-color: rgba(255,255,255,0.3);
}

.hero-actions .btn-secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: white;
}

/* Parallax Section */
.section-parallax {
  background-image: url('https://images.unsplash.com/photo-1554224155-26032ffc0d07?auto=format&fit=crop&q=80&w=1920');
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  position: relative;
}

.section-parallax::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(224, 242, 250, 0.95);
  z-index: 1;
}

.section-parallax .container {
  position: relative;
  z-index: 2;
}

/* Grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-40);
  margin-top: var(--spacing-48);
}

.grid-2-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-64);
  align-items: center;
}

.feature-item {
  display: flex;
  gap: var(--spacing-16);
  align-items: flex-start;
  margin-bottom: var(--spacing-16);
}

.feature-icon {
  color: var(--color-sky-teal);
  flex-shrink: 0;
}

/* Form */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: var(--spacing-24);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-8);
  font-size: var(--text-body-sm);
  font-weight: var(--font-weight-medium);
}

.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border-radius: var(--radius-xl);
  border: 1px solid #e2e8f0;
  font-family: inherit;
  font-size: var(--text-body);
  background-color: #fcfcfc;
  transition: all 0.2s ease;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--color-sky-teal);
  box-shadow: 0 0 0 4px rgba(0, 152, 242, 0.1);
  background-color: #fff;
}

/* Cookie Banner */
#cookie-banner {
  position: fixed;
  bottom: var(--spacing-24);
  left: var(--spacing-24);
  right: var(--spacing-24);
  background: var(--color-canvas-white);
  padding: var(--spacing-24);
  border-radius: var(--radius-cards);
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 2000;
  max-width: 800px;
  margin: 0 auto;
  border: 1px solid #eee;
}

#cookie-banner.hidden { display: none; }

/* Footer */
footer {
  padding: var(--spacing-48) 0 var(--spacing-32);
  background-color: var(--color-subtle-cream);
  color: var(--color-ash-gray);
  font-size: var(--text-body-sm);
}

footer .container {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--spacing-40);
}

.footer-links ul { list-style: none; }
.footer-links ul li { margin-bottom: var(--spacing-8); }
.footer-links a:hover { color: var(--color-ink-black); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  margin-top: var(--spacing-32);
  padding-top: var(--spacing-24);
  border-top: 1px solid rgba(0,0,0,0.05);
  flex-wrap: wrap;
  gap: var(--spacing-16);
}

.footer-colegiado {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.footer-colegiado .caption {
  color: var(--color-deep-slate);
  font-weight: 500;
}

@media (max-width: 600px) {
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* Responsive */
@media (max-width: 1200px) {
  .float-1, .float-2, .float-3, .float-4, .float-5 {
    display: none;
  }
}

@media (max-width: 992px) {
  .display { font-size: 42px; }
  .heading-lg { font-size: 28px; }
  .heading { font-size: 26px; }
  
  .menu-toggle { display: block; z-index: 1001; }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--color-canvas-white);
    flex-direction: column;
    justify-content: center;
    transition: right 0.3s ease;
    box-shadow: -10px 0 30px rgba(0,0,0,0.1);
    z-index: 1000;
    padding: var(--spacing-32);
  }

  .nav-menu.active { right: 0; }
  .nav-menu li a { font-size: 20px; font-weight: 500; }
  
  .section-parallax { background-attachment: scroll; }
  
  .grid-2-cols { grid-template-columns: 1fr !important; }
  .grid { grid-template-columns: 1fr !important; }
  
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-actions .btn-primary, .hero-actions .btn-secondary { width: 100%; max-width: 280px; }
  
  .hero h1 { font-size: 36px; }
  .hero p { font-size: 18px; }

  /* Padding footer móvil/tablet */
  footer .container { padding: 0 var(--spacing-32) !important; }
}

@media (max-width: 600px) {
  .display { font-size: 32px; }
  section { padding: var(--spacing-64) 0; }
  #cookie-banner { flex-direction: column; text-align: center; gap: var(--spacing-20); }
  
  /* Padding footer extra móvil */
  footer .container { padding: 0 var(--spacing-24) !important; }
}

/* Form GDPR Styles */
.checkbox-gdpr {
  background: #f8f9fa;
  padding: var(--spacing-16);
  border-radius: var(--radius-xl);
  border: 1px solid #e2e8f0;
}

.checkbox-gdpr input[type="checkbox"] {
  width: 20px;
  height: 20px;
  cursor: pointer;
  accent-color: var(--color-sky-teal);
}

.gdpr-note {
  font-size: 11px;
  color: var(--color-ash-gray);
  margin-top: 4px;
  display: block;
}

.form-message {
  margin-top: var(--spacing-20);
  padding: var(--spacing-16);
  border-radius: var(--radius-xl);
  text-align: center;
  font-size: var(--text-body-sm);
}

.form-message.success {
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.form-message.error {
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

#submit-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.form-group input:invalid:not(:placeholder-shown),
.form-group select:invalid:not(:valid) {
  border-color: #dc3545;
}

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

/* Captcha Math */
.captcha-group {
  display: flex;
  align-items: center;
  gap: var(--spacing-16);
  background: #f8f9fa;
  padding: var(--spacing-16);
  border-radius: var(--radius-xl);
  border: 1px solid #e2e8f0;
}

.captcha-label {
  display: flex;
  align-items: center;
  gap: 4px;
  font-weight: 500;
  margin-bottom: 0;
}

#captcha-num1, #captcha-num2 {
  background: var(--color-sky-teal);
  color: white;
  padding: 4px 10px;
  border-radius: 8px;
  font-weight: 600;
}

.captcha-required {
  color: #dc3545;
}

.btn-refresh-captcha {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-ash-gray);
  padding: 8px;
  border-radius: 50%;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-refresh-captcha:hover {
  background: #e2e8f0;
  color: var(--color-ink-black);
}

/* Mobile responsive */
@media (max-width: 768px) {
  .hero {
    min-height: 50vh;
  }
  
  .hero-content .display {
    font-size: 1.75rem;
  }
  
  .hero-content .body {
    font-size: 1rem;
  }
}