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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--scroll-snap-offset);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-loose);
  color: var(--color-text);
  background-color: var(--color-light);
  overflow-x: hidden;
  /* No initial opacity animation — prevents invisible content on mobile */
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

img {
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -o-user-select: none;
  user-select: none;
  -webkit-user-drag: none;
  -khtml-user-drag: none;
  -moz-user-drag: none;
  -o-user-drag: none;
  user-drag: none;
}

button, input, select, textarea {
  font: inherit;
}

button, input {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  padding: 0;
}

a {
  color: inherit;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}

ul, ol {
  list-style: none;
}

/* Touch target improvements for mobile */
@media (hover: none) and (pointer: coarse) {
  .btn {
    min-height: 48px;
  }

  .navbar__link,
  .footer__list a {
    min-height: 44px;
    padding: 4px 0;
    display: inline-block;
  }

  .form__checkbox,
  .form__checkbox-label {
    min-height: 24px;
    min-width: 24px;
  }
}

::selection {
  background-color: var(--color-primary);
  color: var(--color-text-light);
}

hr {
  border: 0;
  border-top: 1px solid var(--color-border);
}

iframe {
  border: 0;
}

table {
  border-collapse: separate;
  border-spacing: 0;
}

/* Scroll offset for anchor links – accounts for sticky navbar */
section[id], .section[id] {
  scroll-margin-top: 100px;
}

@media (max-width: 767px) {
  section[id], .section[id] {
    scroll-margin-top: 80px;
  }
}

/* Container */
.container {
  width: min(100% - 40px, var(--max-width));
  margin-inline: auto;
  padding-inline: 20px;
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--container-padding-desktop);
  }
}

/* Section spacing */
.section {
  padding-block: 80px 80px;
  scroll-snap-align: start;
}

@media (max-width: 767px) {
  .section {
    padding-block: 60px 60px;
  }
}

/* Typography – improved hierarchy */
.section__title {
  font-size: clamp(1.75rem, 3vw + 1rem, 2.5rem);
  font-weight: var(--font-weight-extrabold);
  line-height: 1.1;
  margin-bottom: var(--space-lg);
  color: var(--color-secondary);
  letter-spacing: -0.02em;
}

.section__subtitle {
  font-size: clamp(1rem, 1.2vw + 0.75rem, 1.125rem);
  font-weight: var(--font-weight-regular);
  line-height: 1.7;
  color: var(--color-text-secondary);
  max-width: 700px;
  margin-inline: auto;
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section__header .section__badge {
  margin-bottom: 1.5rem;
}

.section__header--light .section__title {
  color: var(--color-text-light);
}

.section__header--light .section__subtitle {
  color: var(--color-text-light);
  opacity: 0.9;
}

/* Section badge */
.section__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.85rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary-dark);
  margin-bottom: 1.25rem;
  padding: 8px 20px;
  border-radius: var(--border-radius-full);
  background: var(--color-light-bg);
  border: 1px solid var(--color-border-light);
}

.section__badge-dot {
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(0, 102, 45, 0.08);
}

.section__cta {
  text-align: center;
  margin-top: var(--space-3xl);
}

/* Buttons – modern redesign */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: var(--font-weight-semibold);
  font-size: 1rem;
  border-radius: var(--border-radius);
  padding: 0.875rem 2.25rem;
  cursor: pointer;
  transition: var(--transition-base);
  border: 2px solid transparent;
   text-decoration: none;
   position: relative;
   overflow: hidden;
   letter-spacing: -0.01em;
   min-height: 44px;
   font-family: inherit;
   -webkit-tap-highlight-color: transparent;
   touch-action: manipulation;
 }

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-fast);
  z-index: 0;
}

.btn:hover::before {
  opacity: 0.08;
}

.btn:active {
  transform: translateY(1px);
}

.btn:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--border-radius);
}

.btn--primary {
  background: var(--gradient-primary);
  color: var(--color-text-light);
  border-color: var(--color-primary);
  box-shadow: 0 4px 16px rgba(0, 102, 45, 0.25);
  position: relative;
  z-index: 1;
}

.btn--primary:hover {
  background: var(--gradient-primary-hover);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0, 102, 45, 0.35);
}

.btn--whatsapp {
  background: var(--color-whatsapp);
  color: var(--color-text-light);
  border-color: var(--color-whatsapp);
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.3);
}

.btn--whatsapp:hover {
  background: var(--color-whatsapp-dark);
  border-color: var(--color-whatsapp-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.4);
}

.btn--whatsapp:focus-visible {
  outline: 3px solid var(--color-whatsapp-dark);
  outline-offset: 3px;
}

.btn--lg {
  font-size: 1.125rem;
  padding: 1rem 2.5rem;
  gap: 0.75rem;
  border-radius: var(--border-radius-lg);
}

.btn--full {
  width: 100%;
}

.btn__icon {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
}

/* Form styles – modern redesign */
.form__group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.form__label {
  font-size: 0.875rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.form__input,
.form__select,
.form__textarea {
  background-color: var(--color-light);
  color: var(--color-dark);
  border: 1.5px solid var(--color-border);
  border-radius: var(--border-radius);
  width: 100%;
  padding: 0.9rem 1.25rem;
  font-size: 1rem;
  font-weight: var(--font-weight-regular);
  transition: var(--transition-fast);
  font-family: inherit;
}

.form__input::placeholder,
.form__select::placeholder,
.form__textarea::placeholder {
  color: var(--color-text-muted);
  opacity: 0.7;
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(0, 102, 45, 0.1);
}

.form__input--error,
.form__select--error {
  border-color: var(--color-error);
}

.form__input--error:focus,
.form__select--error:focus {
  outline: none;
  border-color: var(--color-error);
  box-shadow: 0 0 0 4px rgba(220, 53, 69, 0.1);
}

.form__error {
  color: var(--color-error);
  font-size: 0.8rem;
  min-height: 1.2rem;
  font-weight: var(--font-weight-medium);
}

.form__error-summary {
  background-color: #fef2f2;
  border: 1px solid var(--color-error);
  color: var(--color-error);
  padding: 1rem 1.5rem;
  border-radius: var(--border-radius);
  font-weight: var(--font-weight-medium);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.form__success {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  background-color: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: var(--color-dark);
  border-radius: var(--border-radius);
  font-weight: var(--font-weight-medium);
  margin-bottom: 1rem;
}

.form__group--checkbox {
  flex-direction: row;
  align-items: flex-start;
  margin-top: 1rem;
  position: relative;
}

.form__checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--color-dark);
  margin-bottom: 0.5rem;
  padding-left: 28px;
  position: relative;
}

.form__checkbox {
  position: absolute;
  left: 0;
  top: 4px;
  width: 18px;
  height: 18px;
  cursor: pointer;
  opacity: 0;
  z-index: 2;
}

.form__checkmark {
  position: absolute;
  left: 0;
  top: 0;
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  pointer-events: none;
  z-index: 1;
}

.form__checkbox:checked + .form__checkmark {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.form__checkmark::after {
  content: '';
  display: block;
  width: 10px;
  height: 14px;
  border: solid transparent;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.form__checkbox:checked + .form__checkmark::after {
  border-color: var(--color-text-light);
  opacity: 1;
}

/* Page hero (standalone pages) */
.page-hero {
  padding-block: 60px 40px;
  text-align: center;
  background: var(--color-light-bg);
  border-bottom: 1px solid var(--color-border-light);
}

.page-hero__content {
  max-width: 720px;
  margin-inline: auto;
}

.page-hero__title {
  font-size: clamp(2rem, 4vw + 1rem, 2.75rem);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-secondary);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.page-hero__subtitle {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  line-height: var(--line-height-loose);
  max-width: 640px;
  margin-inline: auto;
}

@media (max-width: 767px) {
  .page-hero {
    padding-block: 50px 30px;
  }

  .page-hero__title {
    font-size: 1.75rem;
  }

  .page-hero__subtitle {
    font-size: 1rem;
  }
}