/* ==========================================================================
   SANTO SHA - SYSTEM DESIGN & VANILLA STYLESHEET
   Aesthetics: Organic, serene, premium, warm typography & smooth micro-interactions
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400;1,600&family=Lora:ital,wght@0,400;0,500;0,600;1,400&family=Inter:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
  /* Menta Silvestre (Default Therapeutic Palette) */
  --bg-main: #F7F4EF;
  --bg-card: #FFFFFF;
  --bg-secondary: #EAF0E7;
  --text-main: #2C3E2B;
  --text-muted: #5C6E5B;
  --text-secondary: #3D523C;
  --primary: #7EA172;
  --primary-hover: #6C8E61;
  --primary-light: rgba(126, 161, 114, 0.12);
  --accent: #E6C594;
  --accent-text: #5C421B;
  --border-color: rgba(44, 62, 43, 0.12);
  --radius-lg: 1.5rem;
  --radius-full: 9999px;
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.03);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.06);
  --font-serif: 'Cormorant Garamond', 'Lora', Georgia, serif;
  --font-sans: 'Outfit', 'Inter', system-ui, -apple-system, sans-serif;
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-h: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.25s ease;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  outline: none;
}

/* Typography */
h1, h2, h3, h4, .font-serif {
  font-family: var(--font-serif);
}

.text-primary-color {
  color: var(--primary);
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 244, 239, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 1.5rem;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
}

.logo-img {
  height: 40px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
}

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

.btn-header {
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-full);
  background-color: var(--primary);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 4px 10px rgba(126, 161, 114, 0.3);
}

.btn-header:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
}

/* Mobile Nav Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-main);
  cursor: pointer;
}

/* Container Utility */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-narrow {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

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

.section-lg {
  padding: 6.5rem 0;
}

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

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

/* Hero Component */
.hero-wrapper {
  text-align: center;
  position: relative;
  overflow: hidden;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1.1rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-full);
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: 2.75rem;
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

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

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  font-weight: 300;
  max-width: 680px;
  margin: 0 auto 2rem;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

/* Buttons */
.btn-primary {
  padding: 0.9rem 2.2rem;
  border-radius: var(--radius-full);
  background-color: var(--primary);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  box-shadow: 0 6px 20px rgba(126, 161, 114, 0.35);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(126, 161, 114, 0.45);
}

.btn-outline {
  padding: 0.9rem 2.2rem;
  border-radius: var(--radius-full);
  background-color: var(--bg-card);
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid var(--border-color);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  cursor: pointer;
}

.btn-outline:hover {
  background-color: rgba(0, 0, 0, 0.02);
  transform: translateY(-1px);
}

/* Card Grid */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

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

.grid-4 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

.card-program {
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

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

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 1rem;
  background-color: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.25rem;
}

.card-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.card-subtitle {
  font-size: 0.85rem;
  color: var(--primary);
  font-style: italic;
  font-weight: 500;
  margin-bottom: 1rem;
}

.card-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  font-weight: 300;
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
}

.tag-mini {
  font-size: 0.72rem;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
  background-color: var(--bg-main);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}

/* Feature & Testimonials */
.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.quote-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-style: italic;
  font-weight: 300;
  margin-bottom: 1.25rem;
}

.author-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-top: 1px solid var(--border-color);
  padding-top: 0.75rem;
}

.author-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
}

.author-name {
  font-size: 0.85rem;
  font-weight: 600;
}

.author-role {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Form Styles */
.form-box {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-main);
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 0.8rem 1rem;
  border-radius: 0.75rem;
  border: 1px solid var(--border-color);
  background-color: var(--bg-main);
  color: var(--text-main);
  transition: border-color 0.2s;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--primary);
  background-color: #ffffff;
}

.form-textarea {
  resize: vertical;
  min-height: 110px;
}

/* Floating AI Chat Widget */
.chat-widget-fab {
  position: fixed;
  bottom: 1.75rem;
  right: 1.75rem;
  z-index: 100;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  border: none;
  box-shadow: 0 8px 24px rgba(126, 161, 114, 0.45);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.chat-widget-fab:hover {
  transform: scale(1.08);
}

.chat-box-modal {
  display: none;
  position: fixed;
  bottom: 5.5rem;
  right: 1.75rem;
  z-index: 101;
  width: 360px;
  max-width: calc(100vw - 2.5rem);
  height: 500px;
  background: #ffffff;
  border-radius: 1.5rem;
  border: 1px solid var(--border-color);
  box-shadow: 0 16px 40px rgba(0,0,0,0.15);
  flex-direction: column;
  overflow: hidden;
}

.chat-box-modal.active {
  display: flex;
}

.chat-header {
  background: var(--bg-secondary);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
}

.chat-title-area {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.95rem;
  font-weight: 600;
}

.chat-close-btn {
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  color: var(--text-muted);
}

.chat-messages {
  flex: 1;
  padding: 1rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.chat-msg {
  max-width: 82%;
  padding: 0.75rem 1rem;
  border-radius: 1rem;
  font-size: 0.85rem;
  line-height: 1.45;
}

.chat-msg.bot {
  background: var(--bg-secondary);
  color: var(--text-main);
  align-self: flex-start;
  border-bottom-left-radius: 0.2rem;
}

.chat-msg.user {
  background: var(--primary);
  color: #fff;
  align-self: flex-end;
  border-bottom-right-radius: 0.2rem;
}

.chat-input-area {
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  gap: 0.5rem;
}

.chat-input {
  flex: 1;
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  font-size: 0.85rem;
}

.chat-send-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Footer */
.site-footer {
  background-color: var(--bg-card);
  border-top: 1px solid var(--border-color);
  padding: 3rem 1.5rem;
  text-align: center;
  margin-top: auto;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 1.25rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

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

/* Responsive Mobile Navigation Drawer */
@media (max-width: 767px) {
  .menu-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-card);
    flex-direction: column;
    padding: 1.5rem;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    border-bottom: 1px solid var(--border-color);
  }
  .nav-links.active {
    display: flex;
  }
}