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

:root {
  --primary: #0ea5e9;
  --primary-light: rgba(14, 165, 233, 0.1);
  --primary-hover: rgba(14, 165, 233, 0.2);
  --accent: #f97316;
  --accent-hover: #ea580c;
  --background: #f8fafc;
  --foreground: #1e293b;
  --muted: #64748b;
  --border: #e2e8f0;
  --card: #ffffff;
  --whatsapp: #25D366;
  --whatsapp-dark: #128C7E;
  --red-light: #fef2f2;
  --red-border: #fecaca;
  --red-500: #ef4444;
  --green-100: #dcfce7;
  --green-500: #22c55e;
  --green-600: #16a34a;
  --amber-100: #fef3c7;
  --amber-500: #f59e0b;
  --amber-600: #d97706;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 20px rgba(0,0,0,0.1), 0 6px 10px rgba(0,0,0,0.06);
  --radius: 0.75rem;
  --radius-xl: 1rem;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--background);
  color: var(--foreground);
  line-height: 1.6;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  letter-spacing: -0.02em;
  font-weight: 700;
  line-height: 1.2;
}

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

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

.container {
  max-width: 1152px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 640px) {
  .container {
    padding: 0 1.5rem;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

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

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-orange {
  background: var(--accent);
  color: white;
  box-shadow: var(--shadow-lg);
}

.btn-orange:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.btn-outline {
  background: white;
  color: var(--foreground);
  border: 1px solid var(--border);
}

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

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(255,255,255,0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226,232,240,0.5);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.nav-logo img {
  height: 3rem;
  width: auto;
}

@media (min-width: 640px) {
  .nav-logo img {
    height: 3.5rem;
  }
}

@media (min-width: 768px) {
  .nav-logo img {
    height: 4rem;
  }
}

.nav-links {
  display: none;
  align-items: center;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--muted);
  transition: color 0.2s;
}

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

.nav-buttons {
  display: none;
  align-items: center;
  gap: 0.75rem;
}

@media (min-width: 768px) {
  .nav-buttons {
    display: flex;
  }
}

.mobile-menu-btn {
  display: flex;
  padding: 0.5rem;
  background: none;
  border: none;
  cursor: pointer;
}

@media (min-width: 768px) {
  .mobile-menu-btn {
    display: none;
  }
}

.mobile-menu {
  display: none;
  background: white;
  border-bottom: 1px solid var(--border);
  padding: 1rem;
}

.mobile-menu.active {
  display: block;
}

.mobile-menu a {
  display: block;
  padding: 0.75rem 0;
  font-weight: 500;
}

/* Hero Section */
.hero {
  position: relative;
  padding: 7rem 0 5rem;
  overflow: hidden;
}

@media (min-width: 768px) {
  .hero {
    padding: 9rem 0 7rem;
  }
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(14,165,233,0.05) 0%, var(--background) 50%, rgba(249,115,22,0.05) 100%);
}

.hero-blur-1 {
  position: absolute;
  top: 5rem;
  right: 0;
  width: 24rem;
  height: 24rem;
  background: rgba(14,165,233,0.1);
  border-radius: 50%;
  filter: blur(60px);
}

.hero-blur-2 {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 20rem;
  height: 20rem;
  background: rgba(249,115,22,0.1);
  border-radius: 50%;
  filter: blur(60px);
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 48rem;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--primary-light);
  color: var(--primary);
  padding: 0.375rem 1rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: 2.25rem;
  margin-bottom: 1.5rem;
}

@media (min-width: 640px) {
  .hero h1 {
    font-size: 3rem;
  }
}

@media (min-width: 768px) {
  .hero h1 {
    font-size: 3.75rem;
  }
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1rem;
  color: var(--muted);
  margin-bottom: 2rem;
  max-width: 42rem;
  margin-left: auto;
  margin-right: auto;
  padding: 0 0.5rem;
}

@media (min-width: 640px) {
  .hero-subtitle {
    font-size: 1.25rem;
  }
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 0 1rem;
}

@media (min-width: 640px) {
  .hero-buttons {
    flex-direction: row;
    justify-content: center;
    padding: 0;
  }
}

.hero-buttons .btn {
  width: 100%;
}

@media (min-width: 640px) {
  .hero-buttons .btn {
    width: auto;
  }
}

.hero-schedule {
  margin-top: 1.5rem;
  font-size: 0.875rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
}

/* Sections */
.section {
  padding: 5rem 0;
}

.section-white {
  background: white;
}

.section-title {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-title h2 {
  font-size: 1.875rem;
  margin-bottom: 1rem;
}

@media (min-width: 640px) {
  .section-title h2 {
    font-size: 2.25rem;
  }
}

.section-title p {
  color: var(--muted);
  max-width: 42rem;
  margin: 0 auto;
}

/* Services Grid */
.services-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.service-card {
  background: var(--background);
  border: 1px solid rgba(226,232,240,0.5);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all 0.3s ease;
}

.service-card:hover {
  border-color: rgba(14,165,233,0.3);
  box-shadow: var(--shadow-lg);
}

.service-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  cursor: pointer;
}

@media (min-width: 640px) {
  .service-header {
    gap: 1rem;
    padding: 1.5rem;
  }
}

.service-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius);
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.2s;
}

@media (min-width: 640px) {
  .service-icon {
    width: 3rem;
    height: 3rem;
  }
}

.service-card:hover .service-icon {
  background: var(--primary-hover);
}

.service-icon svg {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--primary);
}

@media (min-width: 640px) {
  .service-icon svg {
    width: 1.5rem;
    height: 1.5rem;
  }
}

.service-title {
  font-size: 0.875rem;
  font-weight: 600;
  flex: 1;
}

@media (min-width: 640px) {
  .service-title {
    font-size: 1rem;
  }
}

.service-toggle {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--muted);
  transition: transform 0.3s;
  flex-shrink: 0;
}

@media (min-width: 640px) {
  .service-toggle {
    width: 1.5rem;
    height: 1.5rem;
  }
}

.service-card.expanded .service-toggle {
  transform: rotate(180deg);
}

.service-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.service-card.expanded .service-content {
  max-height: 200px;
}

.service-description {
  padding: 0 1rem 1rem;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.6;
}

@media (min-width: 640px) {
  .service-description {
    padding: 0 1.5rem 1.5rem;
  }
}

/* How We Work */
.steps-grid {
  display: grid;
  gap: 1.5rem;
}

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

@media (min-width: 1024px) {
  .steps-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.step-card {
  position: relative;
  background: white;
  border: 1px solid rgba(226,232,240,0.5);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.step-number {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.step-card h3 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}

.step-card p {
  font-size: 0.875rem;
  color: var(--muted);
}

.materials-card {
  margin-top: 2.5rem;
  background: white;
  border: 1px solid rgba(226,232,240,0.5);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.materials-card h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1rem;
  margin-bottom: 0.75rem;
}

.materials-card h3 svg {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--primary);
}

.materials-list {
  list-style: none;
}

.materials-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.materials-list li svg {
  width: 1rem;
  height: 1rem;
  color: var(--green-500);
  flex-shrink: 0;
  margin-top: 0.125rem;
}

/* Pricing Cards */
.pricing-cards {
  max-width: 56rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.pricing-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1rem;
  box-shadow: var(--shadow-sm);
}

@media (min-width: 640px) {
  .pricing-card {
    padding: 1.25rem;
  }
}

.pricing-card.alt {
  background: var(--background);
}

.pricing-card-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 0.125rem;
}

@media (min-width: 640px) {
  .pricing-card-title {
    font-size: 1rem;
  }
}

.pricing-card-subtitle {
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

@media (min-width: 640px) {
  .pricing-card-subtitle {
    font-size: 0.875rem;
  }
}

.pricing-card-price {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--primary);
}

.pricing-card-price.orange {
  color: var(--accent);
}

.pricing-card-price span {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--muted);
}

@media (min-width: 640px) {
  .pricing-card-price span {
    font-size: 0.875rem;
  }
}

.pricing-card-detail {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.125rem;
}

@media (min-width: 640px) {
  .pricing-card-detail {
    font-size: 0.875rem;
  }
}

/* What We Don't Do */
.not-do-card {
  max-width: 56rem;
  margin: 0 auto;
  background: var(--red-light);
  border: 1px solid var(--red-border);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
}

@media (min-width: 640px) {
  .not-do-card {
    padding: 2rem;
  }
}

.not-do-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.not-do-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: rgba(254,202,202,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
}

.not-do-icon svg {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--red-500);
}

.not-do-header h2 {
  font-size: 1.25rem;
}

@media (min-width: 640px) {
  .not-do-header h2 {
    font-size: 1.5rem;
  }
}

.not-do-list {
  display: grid;
  gap: 1rem;
  list-style: none;
}

@media (min-width: 640px) {
  .not-do-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

.not-do-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--muted);
  font-size: 0.875rem;
}

.not-do-list li svg {
  width: 1.25rem;
  height: 1.25rem;
  color: rgba(239,68,68,0.7);
  flex-shrink: 0;
}

/* Guarantee */
.guarantee-card {
  max-width: 56rem;
  margin: 0 auto;
  background: linear-gradient(135deg, var(--primary-light) 0%, rgba(249,115,22,0.05) 100%);
  border-radius: var(--radius-xl);
  padding: 2rem;
  text-align: center;
}

.guarantee-icon {
  width: 4rem;
  height: 4rem;
  border-radius: var(--radius-xl);
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

.guarantee-icon svg {
  width: 2rem;
  height: 2rem;
  color: var(--primary);
}

.guarantee-card h2 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.guarantee-card p {
  color: var(--muted);
  max-width: 36rem;
  margin: 0 auto;
}

.guarantee-card strong {
  color: var(--foreground);
}

/* Zones */
.zones-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .zones-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.zone-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: 1.5rem;
}

.zone-card-free {
  border: 1px solid var(--green-100);
}

.zone-card-supplement {
  border: 1px solid var(--amber-100);
}

.zone-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.zone-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.zone-card-free .zone-icon {
  background: var(--green-100);
}

.zone-card-free .zone-icon svg {
  color: var(--green-600);
}

.zone-card-supplement .zone-icon {
  background: var(--amber-100);
}

.zone-card-supplement .zone-icon svg {
  color: var(--amber-600);
}

.zone-icon svg {
  width: 1.25rem;
  height: 1.25rem;
}

.zone-header h3 {
  font-size: 1.125rem;
}

.zone-list {
  list-style: none;
}

.zone-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.zone-list li svg {
  width: 1rem;
  height: 1rem;
}

.zone-card-free .zone-list li svg {
  color: var(--green-500);
}

.zone-card-supplement .zone-list li svg {
  color: var(--amber-500);
}

.zone-note {
  margin-top: 1rem;
  font-size: 0.875rem;
  color: var(--muted);
  font-style: italic;
}

/* Contact */
.contact-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 768px) {
  .contact-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.contact-info {
  background: var(--background);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  border: 1px solid rgba(226,232,240,0.5);
}

.contact-info h3 {
  font-size: 1rem;
  margin-bottom: 1rem;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: white;
  border-radius: var(--radius);
  border: 1px solid rgba(226,232,240,0.5);
  transition: all 0.2s;
}

.contact-link:hover {
  border-color: rgba(14,165,233,0.3);
  box-shadow: var(--shadow);
}

.contact-link-icon {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-link-icon.phone {
  background: var(--primary-light);
}

.contact-link-icon.phone svg {
  color: var(--primary);
}

.contact-link-icon.whatsapp {
  background: linear-gradient(135deg, var(--whatsapp) 0%, var(--whatsapp-dark) 100%);
}

.contact-link-icon.whatsapp svg {
  color: white;
}

.contact-link-icon svg {
  width: 1.5rem;
  height: 1.5rem;
}

.contact-link-text strong {
  display: block;
}

.contact-link-text span {
  font-size: 0.875rem;
  color: var(--muted);
}

.contact-schedule {
  margin-top: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--muted);
}

.contact-schedule svg {
  width: 1rem;
  height: 1rem;
}

.contact-form {
  background: var(--background);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  border: 1px solid rgba(226,232,240,0.5);
}

.contact-form h3 {
  font-size: 1rem;
  margin-bottom: 1rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.375rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: 0.875rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: white;
  font-family: inherit;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.form-group textarea {
  resize: vertical;
  min-height: 5rem;
}

.form-note {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--muted);
  margin-bottom: 1rem;
}

.form-note svg {
  width: 1rem;
  height: 1rem;
}

.contact-form .btn {
  width: 100%;
}

/* Footer */
.footer {
  background: var(--foreground);
  color: white;
  padding: 3rem 0;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .footer-content {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer-logo {
  background: rgba(255,255,255,0.9);
  border-radius: var(--radius);
  padding: 0.25rem 0.5rem;
}

.footer-logo img {
  height: 2.5rem;
  width: auto;
}

.footer-copy {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  text-align: center;
}

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

.footer-social a {
  color: rgba(255,255,255,0.6);
  transition: color 0.2s;
}

.footer-social a:hover {
  color: white;
}

.footer-social svg {
  width: 1.25rem;
  height: 1.25rem;
}

/* WhatsApp Fixed Button */
.whatsapp-fixed {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 50;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--whatsapp) 0%, var(--whatsapp-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  transition: transform 0.2s;
}

@media (min-width: 768px) {
  .whatsapp-fixed {
    display: none;
  }
}

.whatsapp-fixed:hover {
  transform: scale(1.1);
}

.whatsapp-fixed svg {
  width: 1.75rem;
  height: 1.75rem;
  color: white;
}

/* Icons - using inline SVG */
.icon {
  display: inline-block;
  width: 1em;
  height: 1em;
  vertical-align: middle;
}