/* ===================================
   MENTIA — Software para Psicólogos
   Light Theme · #1E6B4F
   =================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --bg-primary: #FFFFFF;
  --bg-secondary: #F8FAF9;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F0F7F4;
  --bg-glass: rgba(30, 107, 79, 0.06);
  --border: #E5E7EB;
  --border-glass: #E5E7EB;

  --color-primary: #1E6B4F;
  --color-primary-light: #2A8F6A;
  --color-primary-dark: #155A42;
  --color-primary-bg: rgba(30, 107, 79, 0.08);
  --color-secondary: #0F766E;
  --color-secondary-light: #14B8A6;
  --color-accent: #1E6B4F;
  --color-accent-hover: #155A42;
  --color-success: #10B981;
  --color-danger: #EF4444;
  --color-warning: #F59E0B;

  --text-primary: #111827;
  --text-secondary: #4B5563;
  --text-muted: #9CA3AF;

  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,.06);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.06);
  --shadow-glow: 0 0 60px rgba(30, 107, 79, 0.08);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-main);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; font-family: inherit; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 16px 0; transition: var(--transition); background: transparent;
}
.navbar.scrolled {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
  box-shadow: var(--shadow-sm);
}
.navbar .container { display: flex; align-items: center; justify-content: space-between; }

.navbar-logo { display: flex; align-items: center; gap: 12px; font-size: 1.8rem; font-weight: 800; letter-spacing: -0.5px; color: var(--text-primary); }
.navbar-logo .logo-icon {
  width: 42px; height: 42px;
  background: var(--color-primary);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center; font-size: 1.3rem;
}

.navbar-links { display: flex; align-items: center; gap: 32px; }
.navbar-links a { font-size: 0.9rem; font-weight: 500; color: var(--text-secondary); transition: var(--transition); }
.navbar-links a:hover { color: var(--color-primary); }

.navbar-actions { display: flex; align-items: center; gap: 12px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px; border-radius: var(--radius-full);
  font-weight: 600; font-size: 0.9rem; transition: var(--transition); white-space: nowrap;
}
.btn-ghost { background: transparent; color: var(--text-secondary); }
.btn-ghost:hover { color: var(--color-primary); background: var(--color-primary-bg); }

.btn-primary {
  background: var(--color-primary); color: white;
  box-shadow: 0 4px 16px rgba(30, 107, 79, 0.25);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(30, 107, 79, 0.35); background: var(--color-primary-dark); }

.btn-accent {
  background: var(--color-primary); color: white; font-weight: 700;
  box-shadow: 0 4px 16px rgba(30, 107, 79, 0.3);
}
.btn-accent:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(30, 107, 79, 0.4); background: var(--color-primary-dark); }

.btn-lg { padding: 14px 32px; font-size: 1rem; }

.btn-outline {
  background: transparent; border: 1.5px solid var(--border); color: var(--text-primary);
}
.btn-outline:hover { border-color: var(--color-primary); background: var(--color-primary-bg); color: var(--color-primary); }

.hamburger { display: none; flex-direction: column; gap: 5px; background: none; padding: 4px; }
.hamburger span { width: 24px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: var(--transition); }

/* ===== HERO ===== */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  padding: 120px 0 80px; position: relative; overflow: hidden;
  background: linear-gradient(180deg, #F0F7F4 0%, #FFFFFF 60%);
}
.hero::before {
  content: ''; position: absolute; top: -200px; left: 50%; transform: translateX(-50%);
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(30, 107, 79, 0.07) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: ''; position: absolute; bottom: -100px; right: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(15, 118, 110, 0.05) 0%, transparent 70%);
  pointer-events: none;
}
.hero .container { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero-content { position: relative; z-index: 2; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px; background: var(--color-primary-bg);
  border: 1px solid rgba(30, 107, 79, 0.15); border-radius: var(--radius-full);
  font-size: 0.85rem; font-weight: 500; color: var(--color-primary); margin-bottom: 24px;
}
.hero-badge .badge-dot {
  width: 8px; height: 8px; background: var(--color-success); border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

.hero h1 { font-size: 3.2rem; font-weight: 800; line-height: 1.1; letter-spacing: -1.5px; margin-bottom: 20px; color: var(--text-primary); }
.hero h1 .gradient-text {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-subtitle { font-size: 1.15rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 32px; max-width: 520px; }
.hero-ctas { display: flex; gap: 16px; align-items: center; margin-bottom: 24px; }
.hero-trust { font-size: 0.8rem; color: var(--text-muted); }

.hero-visual { position: relative; z-index: 2; }
.hero-mockup {
  border-radius: var(--radius-lg); box-shadow: var(--shadow-card);
  border: 1px solid var(--border); animation: float 6s ease-in-out infinite;
}
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

/* ===== SECTIONS ===== */
section { padding: 100px 0; }
.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.85rem; font-weight: 600; color: var(--color-primary);
  text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 16px;
}
.section-title { font-size: 2.5rem; font-weight: 800; line-height: 1.15; letter-spacing: -1px; margin-bottom: 16px; color: var(--text-primary); }
.section-subtitle { font-size: 1.1rem; color: var(--text-secondary); max-width: 600px; line-height: 1.7; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-header .section-subtitle { margin: 0 auto; }

/* ===== PROBLEMS ===== */
.problems { background: var(--bg-secondary); }
.problems-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.problem-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px; transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.problem-card:hover { background: #FEF2F2; border-color: rgba(239, 68, 68, 0.2); transform: translateY(-4px); box-shadow: var(--shadow-card); }
.problem-icon {
  width: 48px; height: 48px; border-radius: var(--radius-md);
  background: rgba(239, 68, 68, 0.08); display: flex; align-items: center;
  justify-content: center; font-size: 1.4rem; margin-bottom: 20px;
}
.problem-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; color: var(--text-primary); }
.problem-card p { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.6; }

/* ===== FEATURES ===== */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px; transition: var(--transition);
  position: relative; overflow: hidden; box-shadow: var(--shadow-sm);
}
.feature-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  opacity: 0; transition: var(--transition);
}
.feature-card:hover { background: var(--bg-card-hover); transform: translateY(-4px); box-shadow: var(--shadow-card); }
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 52px; height: 52px; border-radius: var(--radius-md);
  background: var(--color-primary-bg); display: flex; align-items: center;
  justify-content: center; font-size: 1.5rem; margin-bottom: 20px;
}
.feature-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
.feature-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; }
.feature-tag {
  display: inline-block; padding: 4px 10px;
  background: var(--color-primary-bg); color: var(--color-primary);
  border-radius: var(--radius-full); font-size: 0.75rem; font-weight: 600; margin-top: 12px;
}

/* ===== STEPS ===== */
.steps { background: var(--bg-secondary); }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; position: relative; }
.steps-grid::before {
  content: ''; position: absolute; top: 48px; left: 20%; right: 20%; height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-success));
  opacity: 0.25;
}
.step-card { text-align: center; position: relative; }
.step-number {
  width: 64px; height: 64px; border-radius: 50%;
  background: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; font-weight: 800; color: white;
  margin: 0 auto 24px; position: relative; z-index: 2;
  box-shadow: 0 4px 20px rgba(30, 107, 79, 0.25);
}
.step-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; }
.step-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; }

/* ===== PRICING ===== */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: start; }
.pricing-grid-4 { grid-template-columns: repeat(4, 1fr); gap: 20px; }
.pricing-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 36px 28px; transition: var(--transition);
  position: relative; box-shadow: var(--shadow-sm);
}
.pricing-card.featured {
  border-color: var(--color-primary); background: var(--bg-card);
  transform: scale(1.03); box-shadow: 0 8px 40px rgba(30, 107, 79, 0.12);
}
.pricing-card.featured .pricing-badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--color-primary); color: white;
  padding: 4px 16px; border-radius: var(--radius-full); font-size: 0.8rem; font-weight: 700;
}
.pricing-name { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; }
.pricing-price { display: flex; align-items: baseline; gap: 4px; margin-bottom: 4px; }
.pricing-price .amount { font-size: 2.8rem; font-weight: 800; letter-spacing: -2px; color: var(--text-primary); }
.pricing-price .period { font-size: 0.85rem; color: var(--text-muted); }
.pricing-extra { font-size: 0.85rem; color: var(--color-primary); font-weight: 500; margin-bottom: 8px; }
.pricing-desc { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 20px; padding-bottom: 20px; border-bottom: 1px solid var(--border); }
.pricing-features { display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; }
.pricing-features li { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--text-secondary); }
.pricing-features li .check { color: var(--color-primary); font-weight: 700; }
.pricing-card .btn { width: 100%; justify-content: center; }
.pricing-note { text-align: center; font-size: 0.75rem; color: var(--text-muted); margin-top: 10px; }

/* ===== TRUST ===== */
.trust { background: var(--bg-secondary); }
.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.trust-card { text-align: center; padding: 32px; }
.trust-icon {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--color-primary-bg); display: flex; align-items: center;
  justify-content: center; font-size: 1.5rem; margin: 0 auto 20px;
}
.trust-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.trust-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; }

/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; transition: var(--transition); box-shadow: var(--shadow-sm); }
.faq-item:hover { border-color: rgba(30, 107, 79, 0.3); }
.faq-question {
  width: 100%; padding: 20px 24px; background: none; color: var(--text-primary);
  font-size: 1rem; font-weight: 600; text-align: left;
  display: flex; justify-content: space-between; align-items: center; transition: var(--transition);
}
.faq-question:hover { color: var(--color-primary); }
.faq-arrow { font-size: 1.2rem; transition: transform 0.3s ease; color: var(--text-muted); }
.faq-item.active .faq-arrow { transform: rotate(180deg); color: var(--color-primary); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.4s ease; }
.faq-item.active .faq-answer { max-height: 300px; padding: 0 24px 20px; }
.faq-answer p { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.7; }

/* ===== CTA FINAL ===== */
.cta-final { text-align: center; position: relative; overflow: hidden; background: linear-gradient(180deg, #FFFFFF, #F0F7F4); }
.cta-final::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at center, rgba(30, 107, 79, 0.06), transparent 70%);
  pointer-events: none;
}
.cta-final .section-title { font-size: 2.8rem; }
.cta-final .cta-trust { font-size: 0.85rem; color: var(--text-muted); margin-top: 16px; }

/* ===== FOOTER ===== */
.footer { background: #111827; border-top: 1px solid #1F2937; padding: 64px 0 24px; color: #D1D5DB; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand p { font-size: 0.9rem; color: #9CA3AF; margin-top: 16px; line-height: 1.6; max-width: 320px; }
.footer .navbar-logo { color: #F9FAFB; }
.footer .navbar-logo .logo-icon { background: var(--color-primary); }
.footer-col h4 { font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; color: #6B7280; margin-bottom: 20px; }
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col ul a { font-size: 0.9rem; color: #9CA3AF; transition: var(--transition); }
.footer-col ul a:hover { color: #F9FAFB; }
.footer-bottom { padding-top: 24px; border-top: 1px solid #1F2937; display: flex; justify-content: space-between; align-items: center; }
.footer-bottom p { font-size: 0.8rem; color: #6B7280; }

/* ===== ANIMATIONS ===== */
.fade-in { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; text-align: center; }
  .hero h1 { font-size: 2.5rem; }
  .hero-subtitle { margin: 0 auto 32px; }
  .hero-ctas { justify-content: center; }
  .hero-trust { text-align: center; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid, .pricing-grid-4 { grid-template-columns: repeat(2, 1fr); max-width: 700px; margin: 0 auto; }
  .pricing-card.featured { transform: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .navbar-links { display: none; }
  .hamburger { display: flex; }
  .navbar-links.active {
    display: flex; flex-direction: column; position: fixed;
    top: 70px; left: 0; right: 0;
    background: rgba(255, 255, 255, 0.97); backdrop-filter: blur(20px);
    padding: 24px; border-bottom: 1px solid var(--border);
  }
  .hero { padding: 100px 0 60px; min-height: auto; }
  .hero h1 { font-size: 2rem; }
  .section-title { font-size: 1.8rem; }
  .hero-ctas { flex-direction: column; }
  .problems-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .steps-grid::before { display: none; }
  .trust-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  section { padding: 64px 0; }
}