/*
 * assets/css/styles.css
 * ---------------------------------------------------------------------------
 * Design System - Entre Luas Amamenta
 * Otimizado para Core Web Vitals (CWV)
 */

/* ==========================================================================
   1. TOKENS & CSS VARIABLES
   ========================================================================== */
:root {
  /* Colors - Pastel/Editorial/Serene */
  --c-bg: #FAF7F5;          /* Off-white cálido, papel */
  --c-bg-alt: #F2EFEA;      /* Levemente mais escuro */
  --c-text: #4A4341;        /* Marrom acinzentado, contraste mais suave que preto */
  --c-text-light: #736966;  /* Texto secundário */
  
  --c-accent: #C79E83;      /* Terracota suave / Pêssego quente */
  --c-accent-dark: #A57D64;
  --c-accent-light: #E8D3C8;
  
  --c-brand: #9BA38F;       /* Verde sálvia / Oliva pálido (esperança, calma) */
  --c-brand-light: #D4D8CF;
  
  --c-white: #FFFFFF;
  --c-border: #E6DFD9;

  /* Typography */
  --f-sans: 'Outfit', system-ui, -apple-system, sans-serif;
  --f-serif: 'Cormorant Garamond', Georgia, serif;
  
  /* Layout */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  --container: 1200px;
  
  /* Transitions */
  --t-base: 0.3s ease;
  --t-smooth: 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

/* ==========================================================================
   2. RESET & PERFORMANCE BASE
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
}

body {
  font-family: var(--f-sans);
  background-color: var(--c-bg);
  color: var(--c-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, picture, svg, video {
  display: block;
  max-width: 100%;
  height: auto;
}

picture {
  width: 100%;
  height: 100%;
}

picture img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Prevenção de CLS */
img {
  font-style: italic;
  background-repeat: no-repeat;
  background-size: cover;
  shape-margin: 1rem;
}

/* Otimização de renderização */
/* content-visibility: auto removido para integração fluida com GSAP/Lenis */

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--t-base);
}

ul, ol {
  list-style: none;
}

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

/* ==========================================================================
   3. TYPOGRAPHY
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--f-serif);
  font-weight: 400;
  line-height: 1.1;
  color: var(--c-text);
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
}

p {
  margin-bottom: var(--spacing-sm);
  font-weight: 300;
}

/* Efeito Typing na Hero */
.typing-wrapper {
  position: relative;
  display: inline-block;
  color: var(--c-accent-dark);
  font-style: italic;
  min-width: 150px;
}

.typing-word {
  display: inline-block;
  overflow: hidden;
  white-space: nowrap;
  border-right: 2px solid var(--c-accent-dark);
  animation: typingCursor 0.8s step-end infinite;
  vertical-align: bottom;
}

@keyframes typingCursor {
  0%, 100% { border-color: transparent; }
  50% { border-color: var(--c-accent-dark); }
}

.text-lead {
  font-size: clamp(1.125rem, 2vw, 1.35rem);
  color: var(--c-text-light);
  max-width: 65ch;
}

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

/* ==========================================================================
   4. LAYOUT & COMPONENTS
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  border-radius: 999px;
  font-family: var(--f-sans);
  font-weight: 400;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.9rem;
  transition: all var(--t-base);
  text-align: center;
}

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

.btn-primary:hover {
  background-color: var(--c-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(165, 125, 100, 0.2);
}

.btn-secondary {
  background-color: var(--c-brand);
  color: var(--c-white);
}

.btn-secondary:hover {
  background-color: #838b79;
}

.btn-outline {
  border: 1px solid var(--c-border);
  color: var(--c-text);
}

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

.btn-whatsapp-outline {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--c-brand);
  color: var(--c-brand);
  border-radius: 999px;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all var(--t-base);
}

.btn-whatsapp-outline:hover {
  background-color: var(--c-brand);
  color: var(--c-white);
}

/* ==========================================================================
   5. HEADER & NAV
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(250, 247, 245, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(230, 223, 217, 0.5);
  z-index: 100;
  transition: transform var(--t-base), background var(--t-base);
}

.site-header.scrolled-down {
  transform: translateY(-100%);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo-text {
  font-family: var(--f-serif);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--c-accent-dark);
  letter-spacing: 0;
  font-style: italic;
}

.main-nav ul {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.02em;
}

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

.menu-toggle {
  display: none;
  color: var(--c-text);
}

/* ==========================================================================
   6. SECTIONS & HERO
   ========================================================================== */
.section {
  padding: var(--spacing-xl) 0;
}

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

/* Hero Section */
.hero {
  padding-top: calc(80px + var(--spacing-lg));
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

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

.hero-content .text-lead {
  margin-bottom: var(--spacing-lg);
}

.hero-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.hero-image-wrapper {
  position: relative;
  border-radius: 200px 200px 0 0;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0,0,0,0.05);
  aspect-ratio: 4/5;
  width: 100%;
  height: 100%;
}

.hero-image-wrapper picture,
.hero-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-image-wrapper img {
  transform: scale(1.05);
  animation: subtleZoom 20s infinite alternate linear;
}

@keyframes subtleZoom {
  0% { transform: scale(1); }
  100% { transform: scale(1.05); }
}

/* ==========================================================================
   7. SERVICES PREVIEW GRID
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.service-card {
  background: var(--c-white);
  border-radius: 12px;
  overflow: hidden;
  transition: transform var(--t-base), box-shadow var(--t-base);
  border: 1px solid var(--c-border);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 24px rgba(74, 67, 65, 0.08);
}

.service-card-img {
  height: 240px;
  position: relative;
  overflow: hidden;
}

.service-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* GSAP handles transform transitions now */
}

.service-card-content {
  padding: var(--spacing-md);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.service-card-content h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.service-card-content p {
  color: var(--c-text-light);
  margin-bottom: var(--spacing-md);
  flex-grow: 1;
}

.service-link {
  display: inline-flex;
  align-items: center;
  font-weight: 500;
  color: var(--c-accent-dark);
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  margin-top: auto;
}

.service-link::after {
  content: '→';
  margin-left: 0.5rem;
  transition: transform var(--t-base);
}

.service-link:hover::after {
  transform: translateX(4px);
}

/* ==========================================================================
   8. FOOTER
   ========================================================================== */
.site-footer {
  background-color: var(--c-bg-alt);
  padding: var(--spacing-xl) 0 0 0;
  border-top: 1px solid var(--c-border);
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-col h4 {
  font-family: var(--f-sans);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--c-text-light);
  margin-bottom: var(--spacing-md);
}

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

.footer-col ul a {
  color: var(--c-text);
  font-weight: 300;
}

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

.footer-desc {
  color: var(--c-text-light);
  margin: 1rem 0;
  max-width: 400px;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--c-brand);
}

.social-links a:hover {
  color: var(--c-accent);
}

.footer-bottom {
  border-top: 1px solid var(--c-border);
  padding: var(--spacing-md) 0;
  text-align: center;
  font-size: 0.85rem;
  color: var(--c-text-light);
}

/* ==========================================================================
   9. RESPONSIVE MEDIA QUERIES
   ========================================================================== */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .text-lead {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-image-wrapper {
    max-width: 500px;
    margin: 0 auto;
    border-radius: 100px 100px 0 0;
  }
  
  .footer-inner {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }
  
  .main-nav {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background: var(--c-bg);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--c-border);
    clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
    transition: clip-path var(--t-base);
  }
  
  .main-nav.is-open {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
  }
  
  .main-nav ul {
    flex-direction: column;
    align-items: flex-start;
  }
  
  :root {
    --spacing-xl: 4rem;
    --spacing-lg: 3rem;
  }
}