/* ===== GOOGLE FONTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ===== CSS VARIABLES ===== */
:root {
  /* Colors */
  --primary-color: #2563EB;
  --primary-color-alt: #3B82F6;
  --primary-color-light: #EFF6FF;
  --secondary-color: #10B981;
  --accent-color: #F59E0B;
  
  --white-color: #FFFFFF;
  --text-color: #1F2937;
  --text-color-light: #6B7280;
  --bg-color: #F9FAFB;
  --bg-color-alt: #F3F4F6;
  --border-color: #E5E7EB;
  
  /* Typography */
  --body-font: 'Inter', sans-serif;
  --biggest-font-size: 3rem;
  --h1-font-size: 2.25rem;
  --h2-font-size: 1.5rem;
  --h3-font-size: 1.25rem;
  --normal-font-size: 1rem;
  --small-font-size: 0.875rem;
  --smaller-font-size: 0.813rem;
  
  /* Font Weight */
  --font-regular: 400;
  --font-medium: 500;
  --font-semi-bold: 600;
  --font-bold: 700;
  
  /* Spacing */
  --mb-0-25: 0.25rem;
  --mb-0-5: 0.5rem;
  --mb-0-75: 0.75rem;
  --mb-1: 1rem;
  --mb-1-25: 1.25rem;
  --mb-1-5: 1.5rem;
  --mb-2: 2rem;
  --mb-2-5: 2.5rem;
  --mb-3: 3rem;
  
  /* Z-index */
  --z-tooltip: 10;
  --z-fixed: 100;
  --z-modal: 1000;
  
  /* Transitions */
  --transition: all 0.3s ease;
  --transition-fast: all 0.2s ease;
  
  /* Shadows */
  --shadow-light: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-large: 0 10px 15px rgba(0, 0, 0, 0.1);
  
  /* Border Radius */
  --border-radius: 0.5rem;
  --border-radius-large: 1rem;
}

/* ===== RESPONSIVE TYPOGRAPHY ===== */
@media screen and (max-width: 768px) {
  :root {
    --biggest-font-size: 2rem;
    --h1-font-size: 1.75rem;
    --h2-font-size: 1.25rem;
    --h3-font-size: 1.125rem;
    --normal-font-size: 0.938rem;
    --small-font-size: 0.813rem;
    --smaller-font-size: 0.75rem;
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--body-font);
  font-size: var(--normal-font-size);
  background-color: var(--white-color);
  color: var(--text-color);
  line-height: 1.6;
}

h1, h2, h3, h4 {
  color: var(--text-color);
  font-weight: var(--font-semi-bold);
  line-height: 1.2;
}

ul {
  list-style: none;
}

a {
  text-decoration: none;
  color: inherit;
}

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

button {
  cursor: pointer;
  border: none;
  outline: none;
  background: transparent;
  font-family: inherit;
}

/* ===== REUSABLE CSS CLASSES ===== */
.container {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

.section {
  padding: 5rem 0 2rem;
}

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

.section__title {
  font-size: var(--h1-font-size);
  color: var(--text-color);
  margin-bottom: var(--mb-0-75);
  font-weight: var(--font-bold);
}

.section__subtitle {
  font-size: var(--normal-font-size);
  color: var(--text-color-light);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  font-weight: var(--font-medium);
  font-size: var(--normal-font-size);
  transition: var(--transition);
  cursor: pointer;
  text-align: center;
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-color-alt));
  color: var(--white-color);
  box-shadow: var(--shadow-medium);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-large);
}

.btn--secondary {
  background: var(--white-color);
  color: var(--primary-color);
  border-color: var(--primary-color);
}

.btn--secondary:hover {
  background: var(--primary-color);
  color: var(--white-color);
  transform: translateY(-2px);
}

.btn--outline {
  background: transparent;
  color: var(--primary-color);
  border-color: var(--primary-color);
}

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

.btn--large {
  padding: 1rem 2rem;
  font-size: var(--h3-font-size);
}

/* ===== HEADER ===== */
.header {
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: var(--z-fixed);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.nav {
  height: 4.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav__logo-text {
  font-size: var(--h3-font-size);
  font-weight: var(--font-bold);
  color: var(--primary-color);
}

.nav__list {
  display: flex;
  gap: 2rem;
}

.nav__link {
  color: var(--text-color);
  font-weight: var(--font-medium);
  transition: var(--transition);
  position: relative;
}

.nav__link:hover,
.nav__link.active-link {
  color: var(--primary-color);
}

.nav__link.active-link::after {
  content: '';
  position: absolute;
  bottom: -0.5rem;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary-color);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav__cta {
  padding: 0.5rem 1rem;
  font-size: var(--small-font-size);
}

.nav__toggle,
.nav__close {
  display: none;
  font-size: 1.25rem;
  color: var(--text-color);
  cursor: pointer;
}

/* ===== HERO SECTION ===== */
.hero {
  padding-top: 8rem;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--primary-color-light) 0%, var(--white-color) 100%);
  position: relative;
  overflow: hidden;
}

.hero__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero__title {
  font-size: var(--biggest-font-size);
  font-weight: var(--font-bold);
  margin-bottom: var(--mb-1);
  line-height: 1.1;
}

.hero__title-highlight {
  color: var(--primary-color);
  position: relative;
}

.hero__description {
  font-size: var(--h3-font-size);
  color: var(--text-color-light);
  margin-bottom: var(--mb-2);
  line-height: 1.5;
}

.hero__trust-indicators {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: var(--mb-2-5);
}

.trust-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--small-font-size);
  color: var(--text-color-light);
}

.trust-indicator i {
  color: var(--secondary-color);
  font-size: 1rem;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero__image {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero__img {
  width: 100%;
  max-width: 500px;
  border-radius: var(--border-radius-large);
  box-shadow: var(--shadow-large);
  transition: var(--transition);
}

.hero__img:hover {
  transform: scale(1.02);
}

.hero__image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(59, 130, 246, 0.1));
  border-radius: var(--border-radius-large);
  pointer-events: none;
}

/* ===== SERVICES SECTION ===== */
.services {
  background: var(--bg-color);
}

.services__container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2rem;
  margin-top: var(--mb-3);
}

.service__card {
  background: var(--white-color);
  padding: 2rem;
  border-radius: var(--border-radius-large);
  box-shadow: var(--shadow-light);
  transition: var(--transition);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.service__card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-large);
}

.service__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-color-alt));
}

.service__icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-color-alt));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--mb-1-5);
}

.service__icon i {
  font-size: 1.5rem;
  color: var(--white-color);
}

.service__title {
  font-size: var(--h2-font-size);
  margin-bottom: var(--mb-1);
  color: var(--text-color);
}

.service__description {
  color: var(--text-color-light);
  margin-bottom: var(--mb-1-5);
  line-height: 1.6;
}

.service__benefits {
  margin-bottom: var(--mb-2);
}

.service__benefits li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: var(--mb-0-5);
  color: var(--text-color-light);
}

.service__benefits i {
  color: var(--secondary-color);
  font-size: 0.875rem;
}

.service__cta {
  width: 100%;
  justify-content: center;
}

/* ===== HOW IT WORKS SECTION ===== */
.how-it-works {
  background: var(--white-color);
}

.steps__container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  margin-top: var(--mb-3);
  flex-wrap: wrap;
}

.step {
  text-align: center;
  max-width: 250px;
  position: relative;
}

.step__number {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-color-alt));
  color: var(--white-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-bold);
  margin: 0 auto var(--mb-1);
  font-size: var(--small-font-size);
}

.step__icon {
  width: 80px;
  height: 80px;
  background: var(--primary-color-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--mb-1);
  transition: var(--transition);
}

.step__icon i {
  font-size: 2rem;
  color: var(--primary-color);
}

.step:hover .step__icon {
  transform: scale(1.1);
  background: var(--primary-color);
}

.step:hover .step__icon i {
  color: var(--white-color);
}

.step__title {
  font-size: var(--h3-font-size);
  margin-bottom: var(--mb-0-5);
  color: var(--text-color);
}

.step__description {
  color: var(--text-color-light);
  font-size: var(--small-font-size);
}

.step__connector {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-color-alt));
  position: relative;
}

.step__connector::after {
  content: '';
  position: absolute;
  right: -5px;
  top: -3px;
  width: 0;
  height: 0;
  border-left: 8px solid var(--primary-color-alt);
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
}

/* ===== DIFFERENTIALS SECTION ===== */
.differentials {
  background: var(--bg-color);
}

.differentials__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: var(--mb-3);
}

.differential__card {
  background: var(--white-color);
  padding: 2rem;
  border-radius: var(--border-radius-large);
  text-align: center;
  transition: var(--transition);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.differential__card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-large);
}

.differential__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--primary-color-light), transparent);
  opacity: 0;
  transition: var(--transition);
}

.differential__card:hover::before {
  opacity: 1;
}

.differential__icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-color-alt));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--mb-1-5);
  transition: var(--transition);
  position: relative;
  z-index: 1;
}

.differential__icon i {
  font-size: 1.75rem;
  color: var(--white-color);
}

.differential__card:hover .differential__icon {
  transform: scale(1.1);
}

.differential__title {
  font-size: var(--h3-font-size);
  margin-bottom: var(--mb-0-5);
  color: var(--text-color);
  position: relative;
  z-index: 1;
}

.differential__description {
  color: var(--text-color-light);
  font-size: var(--small-font-size);
  position: relative;
  z-index: 1;
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials {
  background: var(--white-color);
}

.testimonials__container {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  overflow: hidden;
  border-radius: var(--border-radius-large);
}

.testimonial__card {
  display: none;
  padding: 3rem 2rem;
  text-align: center;
  background: var(--bg-color);
  border-radius: var(--border-radius-large);
  margin-top: var(--mb-3);
  position: relative;
}

.testimonial__card.active {
  display: block;
  animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.testimonial__quote {
  margin-bottom: var(--mb-1-5);
}

.testimonial__quote i {
  font-size: 2rem;
  color: var(--primary-color);
  opacity: 0.7;
}

.testimonial__text {
  font-size: var(--h3-font-size);
  color: var(--text-color);
  line-height: 1.6;
  margin-bottom: var(--mb-2);
  font-style: italic;
}

.testimonial__author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.testimonial__avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--primary-color);
}

.avatar-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-color-alt));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white-color);
  font-weight: var(--font-bold);
  font-size: var(--h3-font-size);
}

.testimonial__name {
  font-size: var(--h3-font-size);
  color: var(--text-color);
  margin-bottom: var(--mb-0-25);
}

.testimonial__course {
  font-size: var(--small-font-size);
  color: var(--text-color-light);
}

.testimonials__navigation {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: var(--mb-2);
}

.testimonial__nav-btn {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--border-color);
  transition: var(--transition);
  cursor: pointer;
}

.testimonial__nav-btn.active,
.testimonial__nav-btn:hover {
  background: var(--primary-color);
}

.testimonials__stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-top: var(--mb-3);
  flex-wrap: wrap;
}

.stat {
  text-align: center;
}

.stat__number {
  font-size: var(--biggest-font-size);
  font-weight: var(--font-bold);
  color: var(--primary-color);
  display: block;
}

.stat__label {
  font-size: var(--small-font-size);
  color: var(--text-color-light);
  margin-top: var(--mb-0-25);
}

/* ===== ABOUT SECTION ===== */
.about {
  background: var(--bg-color);
}

.about__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about__text {
  margin-bottom: var(--mb-2);
}

.about__text p {
  color: var(--text-color-light);
  margin-bottom: var(--mb-1-5);
  line-height: 1.7;
}

.about__features {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.about__feature {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-color);
  font-weight: var(--font-medium);
}

.about__feature i {
  color: var(--primary-color);
  font-size: 1.25rem;
}

.about__image {
  display: flex;
  justify-content: center;
}

.about__img {
  width: 100%;
  max-width: 500px;
  border-radius: var(--border-radius-large);
  box-shadow: var(--shadow-large);
  transition: var(--transition);
}

.about__img:hover {
  transform: scale(1.02);
}

/* ===== QUOTE SECTION ===== */
.quote {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-color-alt));
  color: var(--white-color);
}

.quote .section__title,
.quote .section__subtitle {
  color: var(--white-color);
}

.quote__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.quote__benefits {
  display: flex;
  gap: 2rem;
  margin-top: var(--mb-2);
  flex-wrap: wrap;
}

.quote__benefit {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--white-color);
  font-weight: var(--font-medium);
}

.quote__benefit i {
  color: var(--accent-color);
  font-size: 1.25rem;
}

.quote__form-container {
  position: relative;
}

.quote__form-wrapper {
  background: var(--white-color);
  border-radius: var(--border-radius-large);
  padding: 1rem;
  box-shadow: var(--shadow-large);
  min-height: 500px;
}

.clickup-embed {
  border-radius: var(--border-radius);
}

.quote__success {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--white-color);
  border-radius: var(--border-radius-large);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-large);
}

.quote__success-content {
  text-align: center;
  padding: 2rem;
  color: var(--text-color);
}

.quote__success-content i {
  font-size: 4rem;
  color: var(--secondary-color);
  margin-bottom: var(--mb-1);
}

.quote__success-content h3 {
  font-size: var(--h2-font-size);
  margin-bottom: var(--mb-1);
  color: var(--text-color);
}

.quote__success-content p {
  color: var(--text-color-light);
  margin-bottom: var(--mb-2);
}

/* ===== FAQ SECTION ===== */
.faq {
  background: var(--bg-color);
}

.faq__container {
  max-width: 800px;
  margin: 0 auto;
}

.faq__item {
  background: var(--white-color);
  border-radius: var(--border-radius);
  margin-bottom: var(--mb-1);
  box-shadow: var(--shadow-light);
  overflow: hidden;
  transition: var(--transition);
}

.faq__item:hover {
  box-shadow: var(--shadow-medium);
}

.faq__question {
  padding: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: var(--transition);
}

.faq__question:hover {
  background: var(--bg-color);
}

.faq__question h3 {
  font-size: var(--h3-font-size);
  color: var(--text-color);
  font-weight: var(--font-medium);
}

.faq__question i {
  color: var(--primary-color);
  font-size: 1.25rem;
  transition: var(--transition);
}

.faq__item.active .faq__question i {
  transform: rotate(180deg);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq__item.active .faq__answer {
  max-height: 200px;
}

.faq__answer p {
  padding: 0 1.5rem 1.5rem;
  color: var(--text-color-light);
  line-height: 1.6;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--text-color);
  color: var(--white-color);
  padding: 3rem 0 1rem;
}

.footer__container {
  margin-bottom: var(--mb-2);
}

.footer__content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: var(--mb-2);
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: var(--mb-1);
}

.footer__logo-text {
  font-size: var(--h3-font-size);
  font-weight: var(--font-bold);
  color: var(--primary-color);
}

.footer__description {
  color: var(--text-color-light);
  line-height: 1.6;
}

.footer__title {
  font-size: var(--h3-font-size);
  margin-bottom: var(--mb-1);
  color: var(--white-color);
}

.footer__contact-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: var(--mb-0-75);
  color: var(--text-color-light);
}

.footer__contact-item i {
  color: var(--primary-color);
  font-size: 1.125rem;
}

.footer__links li {
  margin-bottom: var(--mb-0-5);
}

.footer__links a {
  color: var(--text-color-light);
  transition: var(--transition);
}

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

.footer__guarantee {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: var(--mb-0-75);
  color: var(--text-color-light);
}

.footer__guarantee i {
  color: var(--secondary-color);
  font-size: 1.125rem;
}

.footer__bottom {
  border-top: 1px solid var(--border-color);
  padding-top: var(--mb-1);
  text-align: center;
}

.footer__copyright {
  color: var(--text-color-light);
  font-size: var(--small-font-size);
}

/* ===== FLOATING ELEMENTS ===== */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white-color);
  font-size: 1.5rem;
  box-shadow: var(--shadow-large);
  z-index: var(--z-tooltip);
  transition: var(--transition);
  animation: pulse 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  background: #128C7E;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
  70% { box-shadow: 0 0 0 10px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

.scroll-top {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white-color);
  font-size: 1.25rem;
  box-shadow: var(--shadow-medium);
  z-index: var(--z-tooltip);
  transition: var(--transition);
  opacity: 0;
  visibility: hidden;
}

.scroll-top.show {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  transform: translateY(-3px);
  background: var(--primary-color-alt);
}

/* ===== RESPONSIVE DESIGN ===== */
@media screen and (max-width: 1024px) {
  .container {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
  
  .hero__container,
  .about__container,
  .quote__container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .hero__image,
  .about__image {
    order: -1;
  }
  
  .steps__container {
    flex-direction: column;
    gap: 3rem;
  }
  
  .step__connector {
    width: 2px;
    height: 60px;
    transform: rotate(90deg);
  }
  
  .step__connector::after {
    right: -3px;
    top: 55px;
    transform: rotate(90deg);
  }
}

@media screen and (max-width: 768px) {
  .nav__menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: var(--white-color);
    padding: 6rem 2rem 2rem;
    transition: var(--transition);
    z-index: var(--z-fixed);
  }
  
  .nav__menu.show-menu {
    right: 0;
  }
  
  .nav__list {
    flex-direction: column;
    gap: 2rem;
  }
  
  .nav__link {
    font-size: var(--h3-font-size);
  }
  
  .nav__close {
    display: block;
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 2rem;
  }
  
  .nav__toggle {
    display: block;
  }
  
  .nav__cta {
    display: none;
  }
  
  .hero {
    padding-top: 6rem;
  }
  
  .hero__actions {
    flex-direction: column;
  }
  
  .btn--large {
    width: 100%;
    justify-content: center;
  }
  
  .services__container {
    grid-template-columns: 1fr;
  }
  
  .differentials__grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
  
  .testimonials__stats {
    gap: 2rem;
  }
  
  .quote__benefits {
    flex-direction: column;
    gap: 1rem;
  }
  
  .whatsapp-float {
    bottom: 1rem;
    right: 1rem;
    width: 50px;
    height: 50px;
    font-size: 1.25rem;
  }
  
  .scroll-top {
    bottom: 1rem;
    left: 1rem;
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
}

@media screen and (max-width: 480px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  
  .section {
    padding: 3rem 0 1rem;
  }
  
  .hero__trust-indicators {
    flex-direction: column;
    gap: 1rem;
  }
  
  .about__features {
    flex-direction: column;
    gap: 1rem;
  }
  
  .footer__content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

/* ===== ANIMATIONS ===== */
@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Animation classes */
.animate-up {
  animation: slideInUp 0.6s ease-out;
}

.animate-left {
  animation: slideInLeft 0.6s ease-out;
}

.animate-right {
  animation: slideInRight 0.6s ease-out;
}

/* ===== UTILITY CLASSES ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: var(--mb-1); }
.mb-2 { margin-bottom: var(--mb-2); }
.mb-3 { margin-bottom: var(--mb-3); }

.mt-1 { margin-top: var(--mb-1); }
.mt-2 { margin-top: var(--mb-2); }
.mt-3 { margin-top: var(--mb-3); }

.d-flex { display: flex; }
.d-grid { display: grid; }
.d-block { display: block; }
.d-none { display: none; }

.justify-center { justify-content: center; }
.align-center { align-items: center; }
.gap-1 { gap: var(--mb-1); }
.gap-2 { gap: var(--mb-2); }



/* ===== ADDITIONAL MOBILE OPTIMIZATIONS ===== */
@media screen and (max-width: 768px) {
  /* Enhanced mobile navigation */
  .nav__menu {
    box-shadow: var(--shadow-large);
  }
  
  .nav__list {
    padding-top: 2rem;
  }
  
  .nav__link {
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
  }
  
  .nav__link:last-child {
    border-bottom: none;
  }
  
  /* Mobile hero optimizations */
  .hero__title {
    font-size: 2.5rem;
    line-height: 1.2;
  }
  
  .hero__description {
    font-size: var(--normal-font-size);
  }
  
  .hero__trust-indicators {
    justify-content: center;
    text-align: center;
  }
  
  .trust-indicator {
    flex-direction: column;
    gap: 0.25rem;
    font-size: var(--smaller-font-size);
  }
  
  /* Mobile service cards */
  .service__card {
    padding: 1.5rem;
  }
  
  .service__icon {
    width: 50px;
    height: 50px;
  }
  
  .service__icon i {
    font-size: 1.25rem;
  }
  
  /* Mobile steps */
  .step {
    max-width: 100%;
    padding: 0 1rem;
  }
  
  .step__icon {
    width: 60px;
    height: 60px;
  }
  
  .step__icon i {
    font-size: 1.5rem;
  }
  
  /* Mobile differentials */
  .differential__card {
    padding: 1.5rem;
  }
  
  .differential__icon {
    width: 60px;
    height: 60px;
  }
  
  .differential__icon i {
    font-size: 1.5rem;
  }
  
  /* Mobile testimonials */
  .testimonial__card {
    padding: 2rem 1rem;
  }
  
  .testimonial__text {
    font-size: var(--normal-font-size);
  }
  
  .testimonial__author {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .testimonial__avatar {
    width: 50px;
    height: 50px;
  }
  
  .avatar-placeholder {
    font-size: var(--normal-font-size);
  }
  
  /* Mobile quote form */
  .quote__form-wrapper {
    padding: 0.5rem;
    min-height: 400px;
  }
  
  .quote__benefits {
    justify-content: center;
    text-align: center;
  }
  
  /* Mobile FAQ */
  .faq__question {
    padding: 1rem;
  }
  
  .faq__question h3 {
    font-size: var(--normal-font-size);
  }
  
  .faq__answer p {
    padding: 0 1rem 1rem;
    font-size: var(--small-font-size);
  }
}

/* ===== TOUCH OPTIMIZATIONS ===== */
@media (hover: none) and (pointer: coarse) {
  /* Touch-friendly button sizes */
  .btn {
    min-height: 44px;
    padding: 0.875rem 1.5rem;
  }
  
  .nav__link {
    min-height: 44px;
    display: flex;
    align-items: center;
  }
  
  .testimonial__nav-btn {
    width: 16px;
    height: 16px;
  }
  
  .faq__question {
    min-height: 60px;
  }
  
  /* Remove hover effects on touch devices */
  .btn:hover,
  .service__card:hover,
  .differential__card:hover,
  .step:hover .step__icon {
    transform: none;
  }
  
  /* Enhanced tap targets */
  .whatsapp-float {
    width: 56px;
    height: 56px;
  }
  
  .scroll-top {
    width: 48px;
    height: 48px;
  }
}

/* ===== PERFORMANCE OPTIMIZATIONS ===== */
/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .whatsapp-float {
    animation: none;
  }
}

/* ===== PRINT STYLES ===== */
@media print {
  .header,
  .whatsapp-float,
  .scroll-top,
  .nav__toggle,
  .nav__close,
  .btn,
  .quote__form-wrapper {
    display: none !important;
  }
  
  .hero {
    padding-top: 0;
    min-height: auto;
  }
  
  .section {
    padding: 1rem 0;
    break-inside: avoid;
  }
  
  .service__card,
  .differential__card,
  .testimonial__card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid var(--border-color);
  }
}

/* ===== HIGH CONTRAST MODE ===== */
@media (prefers-contrast: high) {
  :root {
    --primary-color: #0000FF;
    --text-color: #000000;
    --text-color-light: #333333;
    --border-color: #000000;
  }
  
  .btn--primary {
    background: #0000FF;
    border: 2px solid #000000;
  }
  
  .service__card,
  .differential__card,
  .testimonial__card {
    border: 2px solid #000000;
  }
}

/* ===== DARK MODE SUPPORT ===== */
@media (prefers-color-scheme: dark) {
  :root {
    --white-color: #1F2937;
    --text-color: #F9FAFB;
    --text-color-light: #D1D5DB;
    --bg-color: #111827;
    --bg-color-alt: #1F2937;
    --border-color: #374151;
  }
  
  .header {
    background: rgba(31, 41, 55, 0.95);
    border-bottom-color: var(--border-color);
  }
  
  .hero {
    background: linear-gradient(135deg, #1F2937 0%, #111827 100%);
  }
  
  .service__card,
  .differential__card,
  .testimonial__card,
  .faq__item {
    background: var(--bg-color-alt);
    border-color: var(--border-color);
  }
  
  .quote__form-wrapper {
    background: var(--bg-color-alt);
  }
}

/* ===== LOADING STATES ===== */
.loading {
  opacity: 0.7;
  pointer-events: none;
}

.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ===== FOCUS STYLES ===== */
*:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

.btn:focus {
  outline-offset: 4px;
}

/* ===== SELECTION STYLES ===== */
::selection {
  background: var(--primary-color);
  color: var(--white-color);
}

::-moz-selection {
  background: var(--primary-color);
  color: var(--white-color);
}

/* ===== SCROLLBAR STYLES ===== */
::-webkit-scrollbar {
  width: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-color-alt);
}

/* ===== ADDITIONAL UTILITY CLASSES ===== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--primary-color);
  color: var(--white-color);
  padding: 8px;
  text-decoration: none;
  z-index: 1000;
}

.skip-link:focus {
  top: 6px;
}

/* ===== ENHANCED ANIMATIONS ===== */
@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
  70% {
    transform: scale(0.9);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

.bounce-in {
  animation: bounceIn 0.6s ease-out;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-10px); }
  20%, 40%, 60%, 80% { transform: translateX(10px); }
}

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

/* ===== MICRO-INTERACTIONS ===== */
.btn {
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:active::before {
  width: 300px;
  height: 300px;
}

/* ===== ENHANCED MOBILE MENU ===== */
@media screen and (max-width: 768px) {
  .nav__menu::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color-light), var(--white-color));
    opacity: 0.1;
    z-index: -1;
  }
  
  .nav__link {
    position: relative;
    transition: var(--transition);
  }
  
  .nav__link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transform: translateY(-50%);
    transition: var(--transition);
  }
  
  .nav__link:hover::before,
  .nav__link.active-link::before {
    width: 30px;
  }
}

/* ===== ENHANCED FORM STYLES ===== */
.quote__form-wrapper {
  position: relative;
}

.quote__form-wrapper::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(45deg, var(--primary-color), var(--primary-color-alt), var(--secondary-color));
  border-radius: calc(var(--border-radius-large) + 2px);
  z-index: -1;
  opacity: 0.1;
}

/* ===== ENHANCED TESTIMONIALS ===== */
.testimonial__card {
  position: relative;
}

.testimonial__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-color-alt));
  border-radius: var(--border-radius-large) var(--border-radius-large) 0 0;
}

/* ===== ENHANCED STATS ANIMATION ===== */
.stat__number {
  position: relative;
  overflow: hidden;
}

.stat__number::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* ===== FINAL RESPONSIVE ADJUSTMENTS ===== */
@media screen and (max-width: 320px) {
  .container {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }
  
  .hero__title {
    font-size: 2rem;
  }
  
  .btn--large {
    padding: 0.75rem 1.5rem;
    font-size: var(--normal-font-size);
  }
  
  .service__card,
  .differential__card {
    padding: 1rem;
  }
  
  .testimonial__card {
    padding: 1.5rem 0.75rem;
  }
  
  .whatsapp-float {
    width: 48px;
    height: 48px;
    font-size: 1.125rem;
  }
}