/* ============================================================
   GLOBAL STYLES - Institut de Beauté Premium
   ============================================================ */

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

/* --- CSS Custom Properties (Design Tokens) --- */
:root {
  /* Colors */
  --clr-white:      #FFFFFF;
  --clr-cream:      #FAF7F2;
  --clr-cream-2:    #F3EDE3;
  --clr-beige:      #E8DDD0;
  --clr-beige-2:    #D9CCBB;
  --clr-gold:       #C9A96E;
  --clr-gold-light: #E2C99A;
  --clr-gold-pale:  #F5ECD7;
  --clr-brown:      #7A5C44;
  --clr-brown-dark: #3D2B1F;
  --clr-text:       #2E2219;
  --clr-text-soft:  #6B5545;
  --clr-text-muted: #9C8878;
  --clr-whatsapp:   #25D366;
  --clr-whatsapp-dark: #128C7E;

  /* Typography */
  --font-serif:  'Cormorant Garamond', Georgia, serif;
  --font-sans:   'Outfit', system-ui, sans-serif;

  /* Spacing scale */
  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  1.5rem;
  --space-lg:  2.5rem;
  --space-xl:  4rem;
  --space-2xl: 6rem;

  /* Border radius */
  --radius-sm:  4px;
  --radius-md:  12px;
  --radius-lg:  24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs:  0 1px 3px rgba(62,43,31,0.06);
  --shadow-sm:  0 4px 16px rgba(62,43,31,0.08);
  --shadow-md:  0 8px 32px rgba(62,43,31,0.12);
  --shadow-lg:  0 16px 48px rgba(62,43,31,0.16);

  /* Transitions */
  --transition: 0.3s ease;
}

/* --- Reset & Base --- */
*, *::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(--clr-cream);
  color: var(--clr-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
}

ul { list-style: none; }

/* --- Skip Link (Accessibility) --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-sm);
  background: var(--clr-gold);
  color: var(--clr-white);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  z-index: 9999;
  transition: top 0.2s;
}
.skip-link:focus { top: var(--space-sm); }

/* ============================================================
   TYPOGRAPHY UTILITIES
   ============================================================ */
.serif { font-family: var(--font-serif); }

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.2;
  color: var(--clr-brown-dark);
}

h1 { font-size: clamp(2.2rem, 6vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 3vw, 1.8rem); }
h4 { font-size: 1.1rem; }

p {
  font-size: clamp(0.9rem, 2vw, 1rem);
  color: var(--clr-text-soft);
  line-height: 1.8;
}

.text-gold  { color: var(--clr-gold); }
.text-muted { color: var(--clr-text-muted); }
.text-center { text-align: center; }
.text-italic { font-style: italic; }

/* --- Gold Divider --- */
.divider {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin: var(--space-sm) auto;
}
.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--clr-gold-light);
}
.divider-icon {
  font-size: 1rem;
  color: var(--clr-gold);
}

/* --- Section Header --- */
.section-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}
.section-label {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--clr-gold);
  margin-bottom: var(--space-xs);
}
.section-header h2 {
  margin-bottom: var(--space-xs);
}
.section-header p {
  max-width: 520px;
  margin: 0 auto;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-full);
  transition: all var(--transition);
  min-height: 48px;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--clr-gold), #B8935A);
  color: var(--clr-white);
  box-shadow: 0 4px 20px rgba(201,169,110,0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(201,169,110,0.45);
}
.btn-primary:active { transform: translateY(0); }

.btn-outline {
  background: transparent;
  color: var(--clr-gold);
  border: 1.5px solid var(--clr-gold);
}
.btn-outline:hover {
  background: var(--clr-gold);
  color: var(--clr-white);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: linear-gradient(135deg, #25D366, #128C7E);
  color: var(--clr-white);
  box-shadow: 0 4px 20px rgba(37,211,102,0.3);
}
.btn-whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(37,211,102,0.4);
}

.btn-light {
  background: rgba(255,255,255,0.15);
  color: var(--clr-white);
  border: 1.5px solid rgba(255,255,255,0.5);
  backdrop-filter: blur(8px);
}
.btn-light:hover {
  background: rgba(255,255,255,0.25);
  transform: translateY(-2px);
}

/* ============================================================
   HEADER & NAVIGATION
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(250,247,242,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(201,169,110,0.15);
  transition: all var(--transition);
}

.site-header.scrolled {
  background: rgba(250,247,242,0.98);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.logo {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.logo-name {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--clr-brown-dark);
  letter-spacing: 0.04em;
  line-height: 1;
}
.logo-tagline {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-gold);
  font-weight: 500;
}

/* Desktop Navigation */
.nav-desktop {
  display: none;
  align-items: center;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .nav-desktop { display: flex; }
}

.nav-desktop a {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-text-soft);
  position: relative;
  transition: color var(--transition);
  padding-bottom: 3px;
}
.nav-desktop a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--clr-gold);
  transition: width var(--transition);
}
.nav-desktop a:hover,
.nav-desktop a.active {
  color: var(--clr-brown-dark);
}
.nav-desktop a:hover::after,
.nav-desktop a.active::after {
  width: 100%;
}

.nav-cta { display: none; }
@media (min-width: 1024px) {
  .nav-cta { display: flex; }
}

/* Mobile Burger */
.burger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}
@media (min-width: 768px) { .burger { display: none; } }

.burger-line {
  width: 24px;
  height: 1.5px;
  background: var(--clr-brown-dark);
  transition: all var(--transition);
  transform-origin: center;
}
.burger.open .burger-line:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.burger.open .burger-line:nth-child(2) { opacity: 0; }
.burger.open .burger-line:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile Menu */
.nav-mobile {
  position: fixed;
  inset: 0;
  background: var(--clr-cream);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}
.nav-mobile.open {
  opacity: 1;
  pointer-events: auto;
}
.nav-mobile a {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 300;
  color: var(--clr-brown-dark);
  letter-spacing: 0.04em;
  transition: color var(--transition);
}
.nav-mobile a:hover { color: var(--clr-gold); }
.nav-mobile-footer {
  position: absolute;
  bottom: var(--space-xl);
  font-size: 0.75rem;
  color: var(--clr-text-muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--clr-brown-dark);
  color: rgba(255,255,255,0.85);
  padding: var(--space-xl) var(--space-md) var(--space-lg);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .footer-inner { grid-template-columns: 1.5fr 1fr 1fr; }
}

.footer-brand .logo-name { color: var(--clr-gold-light); }
.footer-brand .logo-tagline { color: rgba(255,255,255,0.5); }
.footer-brand p {
  margin-top: var(--space-sm);
  color: rgba(255,255,255,0.6);
  font-size: 0.875rem;
}

.footer-col h4 {
  color: var(--clr-gold-light);
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: var(--space-md);
}
.footer-col ul li {
  margin-bottom: 0.6rem;
}
.footer-col ul a {
  color: rgba(255,255,255,0.6);
  font-size: 0.875rem;
  transition: color var(--transition);
}
.footer-col ul a:hover { color: var(--clr-gold-light); }

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  color: rgba(255,255,255,0.6);
  font-size: 0.875rem;
  margin-bottom: 0.6rem;
}
.footer-contact li span.icon { color: var(--clr-gold); font-size: 1rem; }

.footer-bottom {
  max-width: 1200px;
  margin: var(--space-lg) auto 0;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: center;
  text-align: center;
}
@media (min-width: 768px) {
  .footer-bottom { flex-direction: row; justify-content: space-between; }
}
.footer-bottom p {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.35);
}

/* ============================================================
   FLOATING WHATSAPP BUTTON
   ============================================================ */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 20px;
  z-index: 998;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, #25D366, #128C7E);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  transition: transform var(--transition), box-shadow var(--transition);
}
.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 28px rgba(37,211,102,0.5);
}
.whatsapp-float svg {
  width: 28px;
  height: 28px;
  fill: white;
}

/* ============================================================
   PAGE WRAPPER / LAYOUT
   ============================================================ */
.page-content {
  padding-top: 72px; /* header height */
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-xl) var(--space-md);
}
@media (min-width: 768px) {
  .section { padding: var(--space-2xl) var(--space-md); }
}

/* Background variants */
.bg-white   { background: var(--clr-white); }
.bg-cream   { background: var(--clr-cream); }
.bg-cream-2 { background: var(--clr-cream-2); }
.bg-gold-pale { background: var(--clr-gold-pale); }

/* ============================================================
   PAGE HERO BANNER (internal pages)
   ============================================================ */
.page-hero {
  background: linear-gradient(135deg, var(--clr-brown-dark) 0%, #5C3D2A 100%);
  padding: calc(var(--space-2xl) + 72px) var(--space-md) var(--space-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23C9A96E' fill-opacity='0.06'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.page-hero .section-label { color: var(--clr-gold-light); }
.page-hero h1 { color: var(--clr-white); }
.page-hero p { color: rgba(255,255,255,0.7); max-width: 520px; margin: 0 auto; }

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--clr-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

/* ============================================================
   GRID UTILITIES
   ============================================================ */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}
@media (min-width: 640px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}
@media (min-width: 640px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}
@media (min-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* ============================================================
   TESTIMONIAL CARD
   ============================================================ */
.testimonial-card {
  background: var(--clr-white);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  border-top: 3px solid var(--clr-gold);
  position: relative;
}
.testimonial-card::before {
  content: '\201C';
  font-family: var(--font-serif);
  font-size: 5rem;
  color: var(--clr-gold-pale);
  position: absolute;
  top: -10px;
  left: var(--space-md);
  line-height: 1;
}
.testimonial-stars {
  display: flex;
  gap: 3px;
  margin-bottom: 0.75rem;
}
.testimonial-stars span { color: var(--clr-gold); font-size: 1rem; }
.testimonial-card p {
  font-style: italic;
  margin-bottom: var(--space-sm);
  position: relative;
  z-index: 1;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--clr-beige), var(--clr-gold-pale));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--clr-gold);
  font-weight: 500;
}
.testimonial-author-name {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--clr-brown-dark);
}
.testimonial-author-city {
  font-size: 0.75rem;
  color: var(--clr-text-muted);
}

/* ============================================================
   BADGE / STAT
   ============================================================ */
.stat-item {
  text-align: center;
  padding: var(--space-md);
}
.stat-number {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3rem);
  color: var(--clr-gold);
  font-weight: 300;
  display: block;
}
.stat-label {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-text-muted);
}

/* ============================================================
   FORM STYLES (shared)
   ============================================================ */
.form-group {
  margin-bottom: var(--space-md);
}
.form-group label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-text-soft);
  margin-bottom: 0.5rem;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.9rem 1.1rem;
  background: var(--clr-white);
  border: 1.5px solid var(--clr-beige);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--clr-text);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  min-height: 48px;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--clr-gold);
  box-shadow: 0 0 0 3px rgba(201,169,110,0.15);
}
.form-group textarea {
  resize: vertical;
  min-height: 120px;
}
.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23C9A96E' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 16px;
  cursor: pointer;
}

/* ============================================================
   UTILITIES
   ============================================================ */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.flex-wrap { flex-wrap: wrap; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Visually hidden (accessibility) */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.anim-fadeup { animation: fadeInUp 0.7s ease both; }
.anim-delay-1 { animation-delay: 0.1s; }
.anim-delay-2 { animation-delay: 0.2s; }
.anim-delay-3 { animation-delay: 0.3s; }
.anim-delay-4 { animation-delay: 0.4s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}