/* =====================================================
   YukuHost - Estilos CSS
   ===================================================== */

/* CSS Variables */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;
  --secondary: #7c3aed;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --dark: #0f172a;
  --gray-900: #1e293b;
  --gray-800: #334155;
  --gray-700: #475569;
  --gray-600: #64748b;
  --gray-500: #94a3b8;
  --gray-400: #cbd5e1;
  --gray-300: #e2e8f0;
  --gray-200: #f1f5f9;
  --gray-100: #f8fafc;
  --white: #ffffff;
  --font-family:
    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg:
    0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl:
    0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --transition: all 0.3s ease;
}

/* Reset & Base */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.6;
  color: var(--gray-700);
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

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

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--dark);
  font-weight: 700;
  line-height: 1.2;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

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

.section-title {
  font-size: 2.25rem;
  text-align: center;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--gray-600);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 3rem;
}

/* =====================================================
   HEADER
   ===================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 800;
  font-size: 1.25rem;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--dark);
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--gray-700);
  transition: var(--transition);
  position: relative;
}

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

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* =====================================================
   BUTTONS
   ===================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--gray-100);
  color: var(--gray-700);
  border-color: var(--gray-300);
}

.btn-secondary:hover {
  background: var(--gray-200);
  color: var(--dark);
}

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

.btn-success:hover {
  background: #059669;
  border-color: #059669;
  color: var(--white);
  transform: translateY(-2px);
}

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

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

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

/* =====================================================
   HERO SECTION
   ===================================================== */
.hero {
  padding: 8rem 0 5rem;
  background: linear-gradient(180deg, var(--gray-100) 0%, var(--white) 100%);
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-text h1 {
  font-size: 3.5rem;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero-text h1 span {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-text p {
  font-size: 1.25rem;
  color: var(--gray-600);
  margin-bottom: 2rem;
  max-width: 500px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  gap: 3rem;
}

.stat-item {
  text-align: left;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--dark);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--gray-600);
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-illustration {
  max-width: 100%;
  height: auto;
}

/* =====================================================
   PAGE HEADER (Interior Pages)
   ===================================================== */
.page-header {
  padding: 8rem 0 3rem;
  background: linear-gradient(135deg, var(--dark) 0%, var(--gray-900) 100%);
  text-align: center;
}

.page-header h1 {
  color: var(--white);
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
}

.page-header p {
  color: var(--gray-400);
  font-size: 1.125rem;
  max-width: 600px;
  margin: 0 auto;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  font-size: 0.875rem;
}

.breadcrumb a {
  color: var(--gray-400);
}

.breadcrumb a:hover {
  color: var(--white);
}

.breadcrumb span {
  color: var(--gray-500);
}

/* =====================================================
   FEATURES
   ===================================================== */
.features {
  padding: 5rem 0;
  background: var(--white);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature-card {
  padding: 2rem;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  text-align: center;
}

.feature-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--gray-600);
  font-size: 0.9375rem;
}

/* =====================================================
   PRICING
   ===================================================== */
.pricing {
  padding: 5rem 0;
  background: var(--gray-100);
}

.pricing-cards,
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  text-align: center;
  border: 2px solid var(--gray-200);
  transition: var(--transition);
  position: relative;
}

.pricing-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-xl);
  transform: translateY(-8px);
}

.pricing-card.featured,
.pricing-card.popular {
  border-color: var(--primary);
  transform: scale(1.05);
  box-shadow: var(--shadow-xl);
}

.pricing-card.featured:hover,
.pricing-card.popular:hover {
  transform: scale(1.05) translateY(-8px);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: var(--white);
  padding: 0.375rem 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pricing-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.price {
  font-size: 3rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 1.5rem;
}

.price span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--gray-500);
}

.pricing-features {
  text-align: left;
  margin-bottom: 2rem;
}

.pricing-features li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9375rem;
  color: var(--gray-700);
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-features .check::before {
  content: "✓";
  color: var(--success);
  font-weight: 700;
}

/* =====================================================
   TESTIMONIALS
   ===================================================== */
.testimonials {
  padding: 5rem 0;
  background: var(--white);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.testimonial-card {
  background: var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.testimonial-stars {
  color: var(--warning);
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.testimonial-content {
  color: var(--gray-700);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

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

.testimonial-avatar {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: 0.875rem;
}

.testimonial-info h4 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.testimonial-info p {
  font-size: 0.875rem;
  color: var(--gray-500);
}

/* =====================================================
   CTA SECTION
   ===================================================== */
.cta {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  text-align: center;
}

.cta h2 {
  color: var(--white);
  font-size: 2.25rem;
  margin-bottom: 1rem;
}

.cta p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.125rem;
  margin-bottom: 2rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* =====================================================
   SUPPORT PAGE
   ===================================================== */
.support-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.support-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}

.support-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
}

.support-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.support-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.support-card p {
  color: var(--gray-600);
  font-size: 0.9375rem;
  margin-bottom: 1.5rem;
}

/* =====================================================
   CONTACT FORM
   ===================================================== */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
  background: var(--white);
  padding: 2.5rem;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 0.5rem;
  font-size: 0.9375rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-size: 1rem;
  font-family: var(--font-family);
  border: 2px solid var(--gray-300);
  border-radius: var(--radius);
  transition: var(--transition);
  background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

/* =====================================================
   FAQ PAGE
   ===================================================== */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  margin-bottom: 1rem;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--gray-300);
}

.faq-item.active {
  border-color: var(--primary);
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1rem;
  font-weight: 600;
  color: var(--dark);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-family);
  transition: var(--transition);
}

.faq-question:hover {
  color: var(--primary);
}

.faq-icon {
  font-size: 1.5rem;
  color: var(--gray-400);
  transition: var(--transition);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  color: var(--primary);
}

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

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 1.5rem 1.5rem;
}

.faq-answer p {
  color: var(--gray-600);
  line-height: 1.7;
}

/* =====================================================
   404 ERROR PAGE
   ===================================================== */
.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
  background: linear-gradient(135deg, var(--dark) 0%, var(--gray-900) 100%);
}

.error-content h1 {
  font-size: 8rem;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 1rem;
}

.error-content h2 {
  font-size: 2rem;
  color: var(--white);
  margin-bottom: 1rem;
}

.error-content p {
  color: var(--gray-400);
  font-size: 1.125rem;
  margin-bottom: 2rem;
  max-width: 500px;
}

/* =====================================================
   FOOTER
   ===================================================== */
.footer {
  background: var(--dark);
  padding: 4rem 0 2rem;
  color: var(--gray-400);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  margin-top: 1rem;
  line-height: 1.7;
  max-width: 300px;
}

.footer-social {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.social-link {
  width: 40px;
  height: 40px;
  background: var(--gray-800);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  transition: var(--transition);
  text-decoration: none;
}

.social-link:hover {
  background: var(--primary);
  color: var(--white);
}

.footer-column h4 {
  color: var(--white);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--gray-400);
  font-size: 0.9375rem;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--white);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--gray-800);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  font-size: 0.875rem;
}

.footer-legal {
  display: flex;
  gap: 1.5rem;
}

.footer-legal a {
  color: var(--gray-400);
  font-size: 0.875rem;
}

.footer-legal a:hover {
  color: var(--white);
}

/* =====================================================
   RESPONSIVE DESIGN
   ===================================================== */

/* Tablet */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-text p {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero-image {
    display: none;
  }

  .features-grid,
  .pricing-cards,
  .pricing-grid,
  .testimonials-grid,
  .support-options {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile */
@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1rem;
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
  }

  .nav.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav .btn {
    width: 100%;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .hero {
    padding: 7rem 0 3rem;
    min-height: auto;
  }

  .hero-text h1 {
    font-size: 2.25rem;
  }

  .hero-text p {
    font-size: 1rem;
  }

  .hero-stats {
    flex-direction: column;
    gap: 1rem;
  }

  .stat-item {
    text-align: center;
  }

  .section {
    padding: 3rem 0;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .features-grid,
  .pricing-cards,
  .pricing-grid,
  .testimonials-grid,
  .support-options {
    grid-template-columns: 1fr;
  }

  .pricing-card.featured,
  .pricing-card.popular {
    transform: none;
  }

  .pricing-card.featured:hover,
  .pricing-card.popular:hover {
    transform: translateY(-8px);
  }

  .page-header {
    padding: 6rem 0 2rem;
  }

  .page-header h1 {
    font-size: 2rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-brand p {
    margin-left: auto;
    margin-right: auto;
  }

  .footer-social {
    justify-content: center;
  }

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

  .footer-legal {
    justify-content: center;
  }

  .cta h2 {
    font-size: 1.75rem;
  }

  .contact-form {
    padding: 1.5rem;
  }

  .error-content h1 {
    font-size: 5rem;
  }

  .error-content h2 {
    font-size: 1.5rem;
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  .hero-buttons {
    flex-direction: column;
  }

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

  .btn-lg {
    padding: 0.875rem 1.5rem;
  }
}