/**
 * Kairikos Components CSS — Design System v2
 * Reusable component styles
 *
 * @package Kairikos
 * @version 2.1.0
 */

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--kairikos-radius-md);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: background var(--kairikos-duration-fast) var(--kairikos-ease),
              filter var(--kairikos-duration-fast) var(--kairikos-ease),
              transform var(--kairikos-duration-fast) var(--kairikos-ease);
  cursor: pointer;
  border: none;
  font-family: inherit;
}

.btn-primary {
  background: var(--kairikos-terracota);
  color: var(--kairikos-hueso);
}

.btn-primary:hover {
  background: var(--kairikos-terracota-dark);
}

.btn-primary:active {
  filter: brightness(0.95);
  transform: translateY(1px);
}

.btn-ghost {
  background: transparent;
  color: var(--kairikos-tinta);
  border: 1px solid var(--kairikos-border-strong);
}

.btn-ghost:hover {
  background: var(--kairikos-hueso);
  border-color: var(--kairikos-border-strong);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.9rem;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.1rem;
}

/* === Navigation === */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(241, 236, 224, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--kairikos-border);
  z-index: 1000;
  padding: 20px 0;
}

.main-nav .nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: 1.5rem;
  color: var(--kairikos-tinta);
  letter-spacing: -0.02em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 28px;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-size: 0.9rem;
  color: var(--kairikos-tinta);
  opacity: 0.7;
  font-weight: 500;
  transition: opacity var(--kairikos-duration-fast) var(--kairikos-ease);
}

.nav-links a:hover,
.nav-links a:focus {
  opacity: 1;
}

.nav-cta {
  background: var(--kairikos-terracota);
  color: var(--kairikos-hueso);
  padding: 10px 22px;
  border-radius: var(--kairikos-radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  white-space: nowrap;
  transition: background var(--kairikos-duration-fast) var(--kairikos-ease),
              filter var(--kairikos-duration-fast) var(--kairikos-ease),
              transform var(--kairikos-duration-fast) var(--kairikos-ease);
}

.nav-cta:hover {
  background: var(--kairikos-terracota-dark);
}

.nav-cta:active {
  filter: brightness(0.95);
  transform: translateY(1px);
}

/* === Dropdown Menus === */
.nav-links .menu-item-has-children {
  position: relative;
}

.nav-links .menu-item-has-children > a {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links .menu-item-has-children > a::after {
  content: '';
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  opacity: 0.5;
  transition: transform var(--kairikos-duration-fast) var(--kairikos-ease);
}

.nav-links .sub-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--kairikos-hueso);
  border: 1px solid var(--kairikos-border);
  border-radius: var(--kairikos-radius-md);
  box-shadow: var(--kairikos-shadow-md);
  padding: 8px 0;
  list-style: none;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--kairikos-duration-fast) var(--kairikos-ease),
              transform var(--kairikos-duration-fast) var(--kairikos-ease),
              visibility var(--kairikos-duration-fast) var(--kairikos-ease);
  z-index: 1001;
}

.nav-links .menu-item-has-children:hover > .sub-menu,
.nav-links .menu-item-has-children:focus-within > .sub-menu,
.nav-links .sub-menu.sub-menu--open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-links .menu-item-has-children:hover > a::after {
  transform: rotate(180deg);
}

.nav-links .sub-menu li a {
  display: block;
  padding: 10px 20px;
  font-size: 0.875rem;
  opacity: 0.8;
  transition: background var(--kairikos-duration-fast) var(--kairikos-ease),
              opacity var(--kairikos-duration-fast) var(--kairikos-ease);
}

.nav-links .sub-menu li a:hover,
.nav-links .sub-menu li a:focus {
  opacity: 1;
  background: rgba(190, 79, 51, 0.06);
}

/* Mobile dropdown toggle button */
.dropdown-toggle-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: none;
  border: 1px solid var(--kairikos-border);
  border-radius: var(--kairikos-radius-sm);
  cursor: pointer;
  padding: 0;
  color: var(--kairikos-tinta);
  opacity: 0.6;
  transition: opacity var(--kairikos-duration-fast) var(--kairikos-ease);
  flex-shrink: 0;
}

.dropdown-toggle-btn:hover,
.dropdown-toggle-btn:focus {
  opacity: 1;
}

.dropdown-toggle-btn svg {
  width: 14px;
  height: 14px;
  transition: transform var(--kairikos-duration-fast) var(--kairikos-ease);
}

.menu-item-has-children.dropdown--open > .dropdown-toggle-btn svg {
  transform: rotate(180deg);
}

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

.mobile-menu-toggle .dropdown-toggle {
  display: none;
}

.hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--kairikos-tinta);
  position: relative;
  transition: background var(--kairikos-duration-fast) var(--kairikos-ease);
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background: var(--kairikos-tinta);
  transition: transform var(--kairikos-duration-fast) var(--kairikos-ease);
}

.hamburger::before { top: -8px; }
.hamburger::after { bottom: -8px; }

/* === Section Headers === */
.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--kairikos-terracota);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.section-title {
  font-family: 'Instrument Serif', Georgia, serif;
  font-weight: 400;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 16px;
}

.section-subtitle {
  color: var(--kairikos-tinta);
  opacity: 0.6;
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* === Service Cards === */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--kairikos-hueso);
  border: 1px solid var(--kairikos-border);
  border-radius: var(--kairikos-radius-lg);
  padding: 32px;
  transition: border-color var(--kairikos-duration-normal) var(--kairikos-ease),
              box-shadow var(--kairikos-duration-normal) var(--kairikos-ease);
  position: relative;
  overflow: hidden;
}

.service-card:hover {
  border-color: var(--kairikos-terracota);
  box-shadow: var(--kairikos-shadow-sm);
}

.service-card.featured {
  border-color: var(--kairikos-terracota);
  background: linear-gradient(135deg, var(--kairikos-hueso) 0%, rgba(190, 79, 51, 0.04) 100%);
}

.service-card.featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--kairikos-terracota);
}

.service-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 2rem;
}

.service-card.featured .service-icon {
  color: var(--kairikos-terracota);
}

.service-name {
  font-family: 'Instrument Serif', Georgia, serif;
  font-weight: 400;
  font-size: 1.3rem;
  margin-bottom: 10px;
  line-height: 1.2;
}

.service-desc {
  color: var(--kairikos-tinta);
  opacity: 0.6;
  font-size: 0.9rem;
  margin-bottom: 20px;
  line-height: 1.5;
}

.service-price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
  font-family: 'Geist Mono', monospace;
}

.price-setup {
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--kairikos-tinta);
}

.price-retainer {
  font-size: 0.8rem;
  color: var(--kairikos-tinta);
  opacity: 0.5;
}

.service-tag {
  display: inline-block;
  background: var(--kairikos-terracota);
  color: var(--kairikos-hueso);
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.service-features {
  list-style: none;
  margin: 16px 0 24px;
  padding: 0;
}

.service-features li {
  font-size: 0.9rem;
  color: var(--kairikos-tinta);
  opacity: 0.7;
  padding: 5px 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.service-features li::before {
  content: "✓";
  color: var(--kairikos-oliva);
  font-weight: 700;
  flex-shrink: 0;
}

/* === Process Steps === */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 40px;
}

.process-step {
  text-align: center;
  padding: 0 12px;
}

.step-number {
  width: 48px;
  height: 48px;
  background: var(--kairikos-tinta);
  color: var(--kairikos-hueso);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: 1.3rem;
  margin: 0 auto 16px;
}

.process-step h3 {
  font-family: 'Instrument Serif', Georgia, serif;
  font-weight: 400;
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.process-step p {
  color: var(--kairikos-tinta);
  opacity: 0.6;
  font-size: 0.9rem;
  line-height: 1.5;
}

/* === Testimonials === */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.testimonial-card {
  background: var(--kairikos-hueso);
  border: 1px solid var(--kairikos-border);
  border-radius: var(--kairikos-radius-lg);
  padding: 32px;
  transition: box-shadow var(--kairikos-duration-normal) var(--kairikos-ease);
}

.testimonial-card:hover {
  box-shadow: var(--kairikos-shadow-sm);
}

.testimonial-stars {
  color: var(--kairikos-ocre);
  font-size: 1.2rem;
  margin-bottom: 16px;
}

.testimonial-text {
  color: var(--kairikos-tinta);
  opacity: 0.7;
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.author-avatar {
  width: 48px;
  height: 48px;
  background: var(--kairikos-tinta);
  color: var(--kairikos-hueso);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1rem;
}

.author-info strong {
  display: block;
  font-size: 0.95rem;
}

.author-info span {
  color: var(--kairikos-tinta);
  opacity: 0.5;
  font-size: 0.85rem;
}

/* === CTA Section === */
.cta-section {
  padding: 80px 0;
}

.cta-box {
  background: var(--kairikos-hueso);
  border: 1px solid var(--kairikos-border);
  border-radius: var(--kairikos-radius-2xl);
  padding: 64px 48px;
  text-align: center;
}

.cta-box h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 16px;
}

.cta-box p {
  color: var(--kairikos-tinta);
  opacity: 0.6;
  font-size: 1.1rem;
  max-width: 500px;
  margin: 0 auto 32px;
  line-height: 1.6;
}

.cta-actions {
  margin-bottom: 20px;
}

.cta-note {
  font-size: 0.85rem;
  color: var(--kairikos-tinta);
  opacity: 0.5;
}

/* === Footer === */
.site-footer {
  background: var(--kairikos-tinta);
  color: rgba(241, 236, 224, 0.5);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-logo {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: 1.3rem;
  color: var(--kairikos-hueso);
  display: inline-block;
  margin-bottom: 12px;
}

.footer-tagline {
  font-size: 0.9rem;
  margin-bottom: 20px;
}

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

.social-link {
  width: 40px;
  height: 40px;
  background: rgba(241, 236, 224, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(241, 236, 224, 0.5);
  transition: background var(--kairikos-duration-fast) var(--kairikos-ease),
              color var(--kairikos-duration-fast) var(--kairikos-ease);
}

.social-link:hover {
  background: var(--kairikos-terracota);
  color: var(--kairikos-hueso);
}

.footer-nav h4 {
  color: var(--kairikos-hueso);
  font-weight: 600;
  margin-bottom: 16px;
  font-size: 1rem;
}

.footer-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-nav li {
  margin-bottom: 10px;
}

.footer-nav a {
  color: rgba(241, 236, 224, 0.5);
  font-size: 0.9rem;
  transition: color var(--kairikos-duration-fast) var(--kairikos-ease);
}

.footer-nav a:hover {
  color: var(--kairikos-hueso);
}

.footer-bottom {
  border-top: 1px solid rgba(241, 236, 224, 0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
}

/* === Gradient Text (kept for backwards compat, now uses terracota) === */
.gradient-text {
  color: var(--kairikos-terracota);
}

/* === Responsive === */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--kairikos-papel);
    flex-direction: column;
    padding: 80px 32px 32px;
    box-shadow: var(--kairikos-shadow-md);
    transition: right 0.3s ease;
    z-index: 999;
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-links {
    flex-direction: column;
    gap: 20px;
  }

  /* Mobile dropdown: inline accordion instead of floating */
  .nav-links .menu-item-has-children > a::after {
    transform: rotate(-90deg);
  }

  .nav-links .menu-item-has-children:hover > a::after {
    transform: rotate(-90deg);
  }

  .nav-links .menu-item-has-children.dropdown--open > a::after {
    transform: rotate(0deg);
  }

  .nav-links .sub-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    background: transparent;
    padding: 8px 0 0 16px;
    min-width: auto;
    display: none;
  }

  .nav-links .sub-menu.sub-menu--open {
    display: block;
  }

  .nav-links .sub-menu li a {
    padding: 8px 16px;
    font-size: 0.85rem;
  }

  .dropdown-toggle-btn {
    display: inline-flex;
  }

  .nav-links .menu-item-has-children > a {
    flex: 1;
  }

  .nav-links .menu-item-has-children {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .cta-box {
    padding: 40px 24px;
  }
}

/* === WhatsApp Floating Button === */
.kairikos-whatsapp-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999998;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background-color: #25D366;
  border-radius: 50%;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
  color: #fff;
  text-decoration: none;
  transition: transform var(--kairikos-duration-fast) var(--kairikos-ease),
              box-shadow var(--kairikos-duration-fast) var(--kairikos-ease);
  animation: kairikos-wa-fade-in 0.4s ease-out 0.5s both;
}

.kairikos-whatsapp-btn:hover,
.kairikos-whatsapp-btn:focus-visible {
  transform: scale(1.08);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
  outline: 2px solid var(--kairikos-papel);
  outline-offset: 2px;
}

.kairikos-whatsapp-btn:active {
  transform: scale(0.96);
}

.kairikos-whatsapp-btn svg {
  display: block;
}

.kairikos-whatsapp-tooltip {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%) translateX(8px);
  background: var(--kairikos-tinta);
  color: var(--kairikos-hueso);
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--kairikos-radius-sm);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--kairikos-duration-fast) var(--kairikos-ease),
              transform var(--kairikos-duration-fast) var(--kairikos-ease);
}

.kairikos-whatsapp-btn--hover .kairikos-whatsapp-tooltip,
.kairikos-whatsapp-btn:focus-visible .kairikos-whatsapp-tooltip {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

@keyframes kairikos-wa-fade-in {
  from { opacity: 0; transform: scale(0.8); }
  to   { opacity: 1; transform: scale(1); }
}

@media (max-width: 768px) {
  .kairikos-whatsapp-btn {
    width: 56px;
    height: 56px;
    bottom: 20px;
    right: 20px;
  }

  .kairikos-whatsapp-btn svg {
    width: 26px;
    height: 26px;
  }

  .kairikos-whatsapp-tooltip {
    display: none;
  }
}

/* === ROI Calculator Widget === */
.roi-calculator-section {
  padding: var(--kairikos-section-padding) 0;
  background: var(--kairikos-tinta);
}

.roi-calculator-section .section-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.roi-calculator-section .section-label {
  color: var(--kairikos-terracota);
}

.roi-calculator-section .section-title {
  color: var(--kairikos-hueso);
}

.roi-calculator-section .section-subtitle {
  color: rgba(241, 236, 224, 0.6);
}

.roi-calculator-wrapper {
  max-width: 520px;
  margin: 0 auto;
}

.roi-widget {
  background: var(--kairikos-tinta);
  border: 1px solid rgba(241, 236, 224, 0.1);
  border-radius: 16px;
  overflow: hidden;
}

.roi-widget__form {
  padding: 0 1.75rem 1.75rem;
}

.roi-widget__field {
  margin-bottom: 1rem;
}

.roi-widget__label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
  color: rgba(241, 236, 224, 0.8);
}

.roi-widget__input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid rgba(241, 236, 224, 0.15);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  background: rgba(241, 236, 224, 0.08);
  color: var(--kairikos-hueso);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.roi-widget__input::placeholder {
  color: rgba(241, 236, 224, 0.35);
}

.roi-widget__input:focus {
  outline: none;
  border-color: var(--kairikos-terracota);
  box-shadow: 0 0 0 3px rgba(196, 93, 62, 0.25);
}

.roi-widget__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.roi-widget__btn {
  width: 100%;
  padding: 0.875rem;
  background: var(--kairikos-terracota);
  color: var(--kairikos-hueso);
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.2s;
  margin-top: 0.5rem;
}

.roi-widget__btn:hover {
  background: var(--kairikos-terracota-dark);
}

.roi-widget__btn:disabled {
  background: var(--kairikos-gris);
  cursor: not-allowed;
}

.roi-widget__result {
  display: none;
  padding: 1.75rem;
  background: rgba(241, 236, 224, 0.05);
  border-top: 1px solid rgba(241, 236, 224, 0.1);
  text-align: center;
}

.roi-widget__result.visible {
  display: block;
  animation: roiFadeIn 0.4s ease;
}

@keyframes roiFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.roi-widget__stat {
  margin-bottom: 1.25rem;
}

.roi-widget__stat-label {
  font-size: 0.8rem;
  color: rgba(241, 236, 224, 0.6);
  margin-bottom: 0.25rem;
}

.roi-widget__stat-value {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--kairikos-terracota);
  line-height: 1.2;
}

.roi-widget__stat-value--secondary {
  font-size: 1.5rem;
  color: var(--kairikos-hueso);
}

.roi-widget__breakdown {
  background: rgba(241, 236, 224, 0.06);
  border-radius: 8px;
  padding: 1rem;
  margin: 1rem 0;
  text-align: left;
  font-size: 0.8rem;
}

.roi-widget__breakdown-row {
  display: flex;
  justify-content: space-between;
  padding: 0.4rem 0;
  border-bottom: 1px solid rgba(241, 236, 224, 0.08);
  color: rgba(241, 236, 224, 0.7);
}

.roi-widget__breakdown-row:last-child {
  border-bottom: none;
  color: var(--kairikos-hueso);
  font-weight: 600;
}

.roi-widget__cta {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(241, 236, 224, 0.1);
}

.roi-widget__cta-link {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: var(--kairikos-hueso);
  color: var(--kairikos-tinta);
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.875rem;
  transition: background 0.2s;
}

.roi-widget__cta-link:hover {
  background: var(--kairikos-crema);
}

.roi-widget__error {
  color: #F87171;
  font-size: 0.7rem;
  margin-top: 0.25rem;
  display: none;
}

.roi-widget__error.visible {
  display: block;
}

@media (max-width: 480px) {
  .roi-calculator-wrapper {
    padding: 0 0.5rem;
  }

  .roi-widget {
    border-radius: 12px;
  }

  .roi-widget__form {
    padding: 0 1.25rem 1.25rem;
  }

  .roi-widget__result {
    padding: 1.25rem;
  }

  .roi-widget__row {
    grid-template-columns: 1fr;
  }

  .roi-widget__stat-value {
    font-size: 1.75rem;
  }
}