/* CREANET - Style CSS */
/* Mobile-first, clean, modern design */
/* Palette: grays/black + WhatsApp green accent (#25D366) */

:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f8f9fa;
  --color-text: #1a1a1a;
  --color-text-secondary: #555555;
  --color-text-muted: #777777;
  --color-border: #e0e0e0;
  --color-accent: #25D366;
  --color-accent-hover: #1da851;
  --color-card-bg: #ffffff;
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --max-width: 1100px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --radius: 8px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-accent-hover);
}

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

/* Typography */
h1, h2, h3, h4 {
  line-height: 1.3;
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
}

h1 {
  font-size: 2rem;
}

h2 {
  font-size: 1.5rem;
}

h3 {
  font-size: 1.25rem;
}

p {
  margin-bottom: var(--spacing-sm);
}

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

/* Header */
.header {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-sm) 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
}

.logo span {
  color: var(--color-accent);
}

.nav {
  display: none;
}

.nav a {
  color: var(--color-text);
  margin-left: var(--spacing-md);
  font-size: 0.9rem;
}

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

/* Hero */
.hero {
  background: var(--color-bg-alt);
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.hero h1 {
  font-size: 1.75rem;
  margin-bottom: var(--spacing-sm);
}

.hero p {
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto var(--spacing-md);
}

/* Sections */
.section {
  padding: var(--spacing-xl) 0;
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.section-title h2 {
  margin-bottom: var(--spacing-xs);
}

.section-title p {
  color: var(--color-text-secondary);
}

/* Steps */
.steps {
  display: grid;
  gap: var(--spacing-md);
}

.step {
  text-align: center;
  padding: var(--spacing-md);
}

.step-number {
  width: 48px;
  height: 48px;
  background: var(--color-accent);
  color: white;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.step h3 {
  margin-bottom: var(--spacing-xs);
}

.step p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

/* Cards */
.cards {
  display: grid;
  gap: var(--spacing-md);
}

.card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--spacing-md);
  transition: box-shadow 0.2s ease;
}

.card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.card-header {
  margin-bottom: var(--spacing-sm);
}

.card-header h3 {
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.card-header .tag {
  display: inline-block;
  background: var(--color-accent);
  color: white;
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  text-transform: uppercase;
  font-weight: 600;
}

.card p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

.card .btn {
  margin-top: var(--spacing-sm);
}

/* Level cards */
.level-card {
  text-align: center;
}

.level-card .level-name {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.level-card .level-focus {
  color: var(--color-accent);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.level-card ul {
  list-style: none;
  text-align: left;
  margin-bottom: var(--spacing-sm);
}

.level-card li {
  padding: 0.4rem 0;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  position: relative;
  padding-left: 1.5rem;
}

.level-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: bold;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}

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

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

.btn-outline {
  background: transparent;
  border: 2px solid var(--color-border);
  color: var(--color-text);
}

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

.btn-whatsapp {
  background: #25D366;
  color: white;
}

.btn-whatsapp:hover {
  background: #1da851;
  color: white;
}

.btn-block {
  display: block;
  width: 100%;
}

/* FAQ */
.faq-list {
  max-width: 700px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-sm) 0;
}

.faq-question {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.faq-answer {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

/* Form */
.form {
  max-width: 500px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: var(--spacing-sm);
}

.form-label {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.9rem;
  font-weight: 500;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.2s ease;
}

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

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

/* CTA Section */
.cta-section {
  text-align: center;
  padding: var(--spacing-xl) 0;
  background: var(--color-bg-alt);
}

.cta-section h2 {
  margin-bottom: var(--spacing-sm);
}

.cta-section p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.cta-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  justify-content: center;
  align-items: center;
}

/* Benefits list */
.benefits {
  list-style: none;
  margin: var(--spacing-md) 0;
}

.benefits li {
  padding: 0.6rem 0;
  padding-left: 1.75rem;
  position: relative;
  color: var(--color-text-secondary);
}

.benefits li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: bold;
  font-size: 1.1rem;
}

/* Links navigation */
.level-links {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.level-links p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.level-links a {
  margin: 0 var(--spacing-xs);
}

/* Footer */
.footer {
  background: var(--color-text);
  color: #ccc;
  padding: var(--spacing-md) 0;
  text-align: center;
  font-size: 0.9rem;
}

.footer a {
  color: #fff;
}

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

.footer-links {
  margin-bottom: var(--spacing-xs);
}

.footer-links a {
  margin: 0 var(--spacing-sm);
}

.footer-copy {
  color: #888;
  font-size: 0.8rem;
}

/* WhatsApp Sticky Button */
.whatsapp-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  z-index: 1000;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
}

.whatsapp-btn svg {
  width: 28px;
  height: 28px;
  fill: white;
}

/* Privacy page */
.privacy-content {
  max-width: 700px;
  margin: 0 auto;
  padding: var(--spacing-lg) 0;
}

.privacy-content h1 {
  margin-bottom: var(--spacing-md);
}

.privacy-content h2 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  font-size: 1.25rem;
}

.privacy-content p {
  color: var(--color-text-secondary);
}

/* Landing page specific */
.landing-hero {
  padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.landing-hero h1 {
  font-size: 1.75rem;
  margin-bottom: var(--spacing-sm);
}

.landing-hero .subtitle {
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: var(--spacing-xs);
}

/* How it works landing */
.flow-section {
  background: var(--color-bg-alt);
  padding: var(--spacing-lg) 0;
}

.flow-box {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.flow-box h3 {
  font-size: 1rem;
  margin-bottom: var(--spacing-xs);
}

.flow-box p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

.flow-arrow {
  text-align: center;
  color: var(--color-accent);
  font-size: 1.5rem;
  margin: var(--spacing-xs) 0;
}

/* Desktop styles */
@media (min-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .nav {
    display: block;
  }

  .container {
    padding: 0 var(--spacing-md);
  }

  .steps {
    grid-template-columns: repeat(3, 1fr);
  }

  .cards {
    grid-template-columns: repeat(3, 1fr);
  }

  .cta-buttons {
    flex-direction: row;
  }

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

  .flow-section .container {
    display: flex;
    gap: var(--spacing-md);
    align-items: stretch;
  }

  .flow-box {
    flex: 1;
    margin-bottom: 0;
  }

  .flow-arrow {
    display: flex;
    align-items: center;
    margin: 0;
  }
}

@media (min-width: 1024px) {
  .hero h1 {
    font-size: 3rem;
  }
}