/* ========================================
   DESIGN SYSTEM - SAÚDE NATURALMENTE
   ======================================== */

/* === CSS VARIABLES === */
:root {
  /* Nature Color Palette */
  --nature-green-soft-1: #A8C3A0;
  --nature-green-soft-2: #CFE6C3;
  --nature-off-white: #FAF9F6;
  --nature-beige: #EADFC8;
  --nature-brown: #8A6F58;
  --nature-gold: #D3B98C;
  --nature-green-1: #A8C3A0;
  --nature-green-2: #CFE6C3;
  --nature-green-3: #7FA575;
  --nature-green-4: #5C8A52;
  --nature-green-5: #3D6F34;
  --nature-green-6: #2B5A23;
  --nature-green-7: #E8F5E3;
  --nature-green-8: #D4EDCC;

  /* Typography */
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;

  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-xl: 2rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* === RESET & BASE === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--nature-off-white);
  color: var(--nature-brown);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-serif);
  line-height: 1.2;
  font-weight: 600;
}

.font-serif {
  font-family: var(--font-serif);
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--nature-green-4);
  outline-offset: 2px;
  border-radius: 4px;
}

/* === TYPOGRAPHY === */
.text-xs {
  font-size: 0.75rem;
}

.text-sm {
  font-size: 0.875rem;
}

.text-base {
  font-size: 1rem;
}

.text-lg {
  font-size: 1.125rem;
}

.text-xl {
  font-size: 1.25rem;
}

.text-2xl {
  font-size: 1.5rem;
}

.text-3xl {
  font-size: 1.875rem;
}

.text-4xl {
  font-size: 2.25rem;
}

.text-5xl {
  font-size: 3rem;
}

.text-6xl {
  font-size: 3.75rem;
}

.text-7xl {
  font-size: 4.5rem;
}

.text-8xl {
  font-size: 6rem;
}

/* === LAYOUT === */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

.container-sm {
  max-width: 640px;
}

.container-md {
  max-width: 768px;
}

.container-lg {
  max-width: 1024px;
  margin: 0 auto;
  padding: 0 1rem;
}

.container-xl {
  max-width: 1280px;
}

.container-2xl {
  max-width: 1536px;
}

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

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

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

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

.grid-cols-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* === FLEXBOX === */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.items-center {
  align-items: center;
}

.items-start {
  align-items: flex-start;
}

.items-end {
  align-items: flex-end;
}

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

.justify-between {
  justify-content: space-between;
}

.justify-start {
  justify-content: flex-start;
}

.justify-end {
  justify-content: flex-end;
}

.gap-1 {
  gap: 0.25rem;
}

.gap-2 {
  gap: 0.5rem;
}

.gap-3 {
  gap: 0.75rem;
}

.gap-4 {
  gap: 1rem;
}

.gap-6 {
  gap: 1.5rem;
}

.gap-8 {
  gap: 2rem;
}

.gap-10 {
  gap: 2.5rem;
}

.gap-12 {
  gap: 3rem;
}

.gap-16 {
  gap: 4rem;
}

.gap-20 {
  gap: 5rem;
}

.gap-24 {
  gap: 6rem;
}

.gap-32 {
  gap: 8rem;
}

/* === SPACING === */
.p-4 {
  padding: 1rem;
}

.p-6 {
  padding: 1.5rem;
}

.p-8 {
  padding: 2rem;
}

.p-12 {
  padding: 3rem;
}

.px-4 {
  padding-left: 1rem;
  padding-right: 1rem;
}

.px-6 {
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.px-8 {
  padding-left: 2rem;
  padding-right: 2rem;
}

.py-4 {
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.py-6 {
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
}

.py-8 {
  padding-top: 2rem;
  padding-bottom: 2rem;
}

.py-12 {
  padding-top: 3rem;
  padding-bottom: 3rem;
}

.py-20 {
  padding-top: 5rem;
  padding-bottom: 5rem;
}

.py-24 {
  padding-top: 6rem;
  padding-bottom: 6rem;
}

.py-28 {
  padding-top: 7rem;
  padding-bottom: 7rem;
}

.py-32 {
  padding-top: 8rem;
  padding-bottom: 8rem;
}

.m-4 {
  margin: 1rem;
}

.mb-4 {
  margin-bottom: 1rem;
}

.mb-6 {
  margin-bottom: 1.5rem;
}

.mb-8 {
  margin-bottom: 2rem;
}

.mb-12 {
  margin-bottom: 3rem;
}

.mb-16 {
  margin-bottom: 4rem;
}

.mb-20 {
  margin-bottom: 5rem;
}

.mb-24 {
  margin-bottom: 6rem;
}

.mb-32 {
  margin-bottom: 8rem;
}

.mt-4 {
  margin-top: 1rem;
}

.mt-8 {
  margin-top: 2rem;
}

.mt-12 {
  margin-top: 3rem;
}

.mt-16 {
  margin-top: 4rem;
}

.mt-20 {
  margin-top: 5rem;
}

.mt-24 {
  margin-top: 6rem;
}

.mt-32 {
  margin-top: 8rem;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  transition: all 0.3s ease;
  cursor: pointer;
  text-decoration: none;
  border: none;
  font-family: var(--font-sans);
}

.btn-primary {
  background-color: var(--nature-green-4);
  color: white;
}

.btn-primary:hover {
  background-color: var(--nature-green-5);
  transform: scale(1.05);
  box-shadow: var(--shadow-xl);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--nature-green-4);
  color: var(--nature-green-5);
}

.btn-outline:hover {
  background-color: rgba(168, 195, 160, 0.1);
  transform: scale(1.05);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

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

/* === CARDS === */
.card {
  background: white;
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
}

.card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.card-content {
  padding: 1.5rem;
}

/* === HEADER === */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(250, 249, 246, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.header-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 5rem;
}

.logo {
  height: 3.5rem;
  width: auto;
  transition: opacity 0.3s ease;
}

.logo:hover {
  opacity: 0.8;
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  color: rgba(138, 111, 88, 0.8);
  font-size: 0.875rem;
  font-weight: 500;
  position: relative;
  transition: color 0.3s ease;
}

.nav-link:hover {
  color: var(--nature-green-4);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--nature-green-4);
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

.nav-link.active {
  color: var(--nature-green-4);
  font-weight: 600;
}

.nav-link.active::after {
  width: 100%;
}

.mobile-menu-btn {
  display: block;
  width: 2.5rem;
  height: 2.5rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--nature-brown);
  transition: opacity 0.3s ease;
}

.mobile-menu-btn:hover {
  opacity: 0.7;
}

.mobile-menu-btn[aria-expanded="true"] {
  color: var(--nature-green-4);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem 0;
  animation: fadeIn 0.3s ease;
}

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

/* === FOOTER === */
.footer {
  background: linear-gradient(to bottom, rgba(168, 195, 160, 0.3), rgba(234, 223, 200, 0.4));
  border-top: 1px solid rgba(168, 195, 160, 0.2);
  padding: 3rem 1.5rem;
}

.footer-content {
  max-width: 1280px;
  margin: 0 auto;
}

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

.footer-section h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.footer-section p {
  font-size: 0.875rem;
  color: rgba(138, 111, 88, 0.7);
  line-height: 1.6;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-link {
  font-size: 0.875rem;
  color: rgba(138, 111, 88, 0.7);
  transition: color 0.3s ease;
}

.footer-link:hover {
  color: var(--nature-green-4);
}

.footer-link:focus-visible {
  outline: 2px solid var(--nature-green-4);
  outline-offset: 2px;
  border-radius: 2px;
}

.footer-bottom {
  border-top: 1px solid rgba(168, 195, 160, 0.2);
  padding-top: 2rem;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.875rem;
  color: rgba(138, 111, 88, 0.6);
}

/* === FORMS === */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--nature-brown);
  font-size: 0.875rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid rgba(168, 195, 160, 0.3);
  border-radius: var(--radius-full);
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: all 0.3s ease;
  background-color: white;
  color: var(--nature-brown);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: rgba(138, 111, 88, 0.4);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--nature-green-4);
  box-shadow: 0 0 0 3px rgba(92, 138, 82, 0.1);
}

.form-textarea {
  border-radius: var(--radius-lg);
  resize: vertical;
  min-height: 120px;
}

.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235C8A52' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

/* === UTILITIES === */
.text-center {
  text-align: center;
}

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

.text-right {
  text-align: right;
}

.relative {
  position: relative;
}

.absolute {
  position: absolute;
}

.fixed {
  position: fixed;
}

.top-0 {
  top: 0;
}

.left-0 {
  left: 0;
}

.left-1\/2 {
  left: 50%;
}

.right-0 {
  right: 0;
}

.h-px {
  height: 1px;
}

.transform {
  transform: translate(var(--tw-translate-x, 0), var(--tw-translate-y, 0)) rotate(var(--tw-rotate, 0)) skewX(var(--tw-skew-x, 0)) skewY(var(--tw-skew-y, 0)) scaleX(var(--tw-scale-x, 1)) scaleY(var(--tw-scale-y, 1));
}

.-translate-x-1\/2 {
  transform: translateX(-50%);
}

.w-24 {
  width: 6rem;
}

.overflow-hidden {
  overflow: hidden;
}

.overflow-auto {
  overflow: auto;
}

.rounded-sm {
  border-radius: var(--radius-sm);
}

.rounded-md {
  border-radius: var(--radius-md);
}

.rounded-lg {
  border-radius: var(--radius-lg);
}

.rounded-xl {
  border-radius: var(--radius-xl);
}

.rounded-3xl {
  border-radius: 1.5rem;
}

.rounded-full {
  border-radius: var(--radius-full);
}

.shadow-sm {
  box-shadow: var(--shadow-sm);
}

.shadow-md {
  box-shadow: var(--shadow-md);
}

.shadow-lg {
  box-shadow: var(--shadow-lg);
}

.shadow-xl {
  box-shadow: var(--shadow-xl);
}

.shadow-2xl {
  box-shadow: var(--shadow-2xl);
}

.opacity-0 {
  opacity: 0;
}

.opacity-50 {
  opacity: 0.5;
}

.opacity-100 {
  opacity: 1;
}

.transition-all {
  transition: all 0.3s ease;
}

/* === BACKGROUND UTILITIES === */
.bg-nature-off-white {
  background-color: var(--nature-off-white);
}

.bg-nature-green-4 {
  background-color: var(--nature-green-4);
}

.bg-nature-green-soft-1 {
  background-color: var(--nature-green-soft-1);
}

/* === TEXT COLOR UTILITIES === */
.text-nature-brown {
  color: var(--nature-brown);
}

.text-nature-green-4 {
  color: var(--nature-green-4);
}

/* === WIDTH & HEIGHT UTILITIES === */
.w-full {
  width: 100%;
}

.w-5 {
  width: 1.25rem;
}

.w-12 {
  width: 3rem;
}

.w-16 {
  width: 4rem;
}

.h-5 {
  height: 1.25rem;
}

.h-12 {
  height: 3rem;
}

.h-16 {
  height: 4rem;
}

.w-1\.5 {
  width: 0.375rem;
}

.h-1\.5 {
  height: 0.375rem;
}

/* === SPACING UTILITIES === */
.space-y-6>*+* {
  margin-top: 1.5rem;
}

.mt-auto {
  margin-top: auto;
}

.mr-2 {
  margin-right: 0.5rem;
}

.mb-2 {
  margin-bottom: 0.5rem;
}

.mb-4 {
  margin-bottom: 1rem;
}

.mb-6 {
  margin-bottom: 1.5rem;
}

.mb-8 {
  margin-bottom: 2rem;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

/* === FLEX UTILITIES === */
.flex-shrink-0 {
  flex-shrink: 0;
}

.flex-col {
  flex-direction: column;
}

.flex-grow {
  flex-grow: 1;
}

/* === BACKGROUND WITH OPACITY === */
.bg-nature-green-soft-1\/30 {
  background-color: rgba(168, 195, 160, 0.3);
}

.bg-nature-beige\/20 {
  background-color: rgba(234, 223, 200, 0.2);
}

/* === GRADIENT UTILITIES === */
.bg-gradient-to-br {
  background-image: linear-gradient(to bottom right, var(--tw-gradient-stops));
}

.from-nature-green-soft-1\/30 {
  --tw-gradient-from: rgba(168, 195, 160, 0.3);
  --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(168, 195, 160, 0));
}

.to-nature-beige\/20 {
  --tw-gradient-to: rgba(234, 223, 200, 0.2);
}

.from-nature-green-4 {
  --tw-gradient-from: var(--nature-green-4);
  --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(92, 138, 82, 0));
}

.via-nature-green-5 {
  --tw-gradient-stops: var(--tw-gradient-from), var(--nature-green-5), var(--tw-gradient-to, rgba(61, 111, 52, 0));
}

.to-nature-green-4 {
  --tw-gradient-to: var(--nature-green-4);
}

/* === Z-INDEX === */
.z-10 {
  z-index: 10;
}

/* === LEADING === */
.leading-relaxed {
  line-height: 1.625;
}

/* === MAX WIDTH === */
.max-w-3xl {
  max-width: 48rem;
}

.max-w-2xl {
  max-width: 42rem;
}

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

  .sm\:text-xl {
    font-size: 1.25rem;
  }

  .sm\:text-5xl {
    font-size: 3rem;
  }

  .sm\:text-6xl {
    font-size: 3.75rem;
  }
}

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

  .md\:grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .md\:flex-row {
    flex-direction: row;
  }
}

@media (min-width: 1024px) {
  .nav-desktop {
    display: flex;
  }

  .mobile-menu-btn {
    display: none;
  }

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

  .lg\:grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .lg\:grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
  }

  .lg\:text-4xl {
    font-size: 2.25rem;
  }

  .lg\:text-5xl {
    font-size: 3rem;
  }

  .lg\:text-6xl {
    font-size: 3.75rem;
  }

  .lg\:text-7xl {
    font-size: 4.5rem;
  }

  .lg\:px-8 {
    padding-left: 2rem;
    padding-right: 2rem;
  }

  .lg\:py-20 {
    padding-top: 5rem;
    padding-bottom: 5rem;
  }

  .lg\:py-32 {
    padding-top: 8rem;
    padding-bottom: 8rem;
  }

  .lg\:p-12 {
    padding: 3rem;
  }

  .lg\:p-16 {
    padding: 4rem;
  }
}

@media (min-width: 1280px) {
  .xl\:text-8xl {
    font-size: 6rem;
  }
}