/* ==========================================================================
   AMEL STUDIO BY PAMELA PAEZ - MASTER STYLESHEET
   Lash Artistry & Cosmetología de Alta Gama
   ========================================================================== */

/* @import & Variables */
@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=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Alex+Brush&display=swap');

:root {
  /* Chromatic Identity */
  --color-bordeaux-darkest: #1B040A;
  --color-bordeaux-darker:  #260710;
  --color-bordeaux-deep:    #380C17;
  --color-bordeaux-base:    #4D1422;
  --color-bordeaux-light:   #682031;
  --color-bordeaux-surface: rgba(77, 20, 34, 0.45);
  --color-bordeaux-card:    rgba(45, 9, 18, 0.75);

  --color-alabaster:        #FAF5F0;
  --color-alabaster-muted:  #EADFD7;
  --color-pearl-cream:      #DFCFC4;
  --color-nude-warm:        #BAA396;

  --color-rose-gold:        #D49B8E;
  --color-rose-gold-hover:  #E5B2A6;
  --color-gold-glow:        #DFBE7F;
  --color-gold-accent:      #F3D99F;

  /* Typography */
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-script: 'Alex Brush', cursive;

  /* Shadows & Glass */
  --glass-bg: rgba(42, 8, 17, 0.65);
  --glass-border: rgba(212, 155, 142, 0.22);
  --glass-border-strong: rgba(223, 190, 127, 0.4);
  --shadow-lux: 0 20px 45px -15px rgba(0, 0, 0, 0.6), 0 0 25px rgba(212, 155, 142, 0.08);
  --shadow-glow: 0 0 35px rgba(212, 155, 142, 0.25);
  --shadow-gold: 0 0 30px rgba(223, 190, 127, 0.22);

  /* Transitions */
  --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--color-bordeaux-darkest);
  color: var(--color-alabaster);
  line-height: 1.65;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(104, 32, 49, 0.22) 0%, transparent 40%),
    radial-gradient(circle at 85% 65%, rgba(77, 20, 34, 0.25) 0%, transparent 45%),
    radial-gradient(circle at 50% 90%, rgba(212, 155, 142, 0.08) 0%, transparent 50%);
  background-attachment: fixed;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--color-bordeaux-darkest);
}
::-webkit-scrollbar-thumb {
  background: var(--color-bordeaux-light);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-rose-gold);
}

/* Typography Classes */
.font-serif { font-family: var(--font-serif); }
.font-sans { font-family: var(--font-sans); }
.font-script { font-family: var(--font-script); }

h1, h2, h3, h4, .font-heading {
  font-family: var(--font-serif);
  letter-spacing: -0.01em;
  font-weight: 600;
  color: var(--color-alabaster);
}

.text-gold-gradient {
  background: linear-gradient(135deg, #FFF0D6 0%, #DFBE7F 50%, #C99386 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-rose-gradient {
  background: linear-gradient(135deg, #FAF5F0 0%, #E5B2A6 60%, #C99386 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Glassmorphism Cards */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 1.25rem;
  box-shadow: var(--shadow-lux);
  transition: var(--transition-smooth);
}

.glass-card:hover {
  border-color: rgba(212, 155, 142, 0.45);
  box-shadow: var(--shadow-glow);
  transform: translateY(-3px);
}

.glass-card-gold {
  background: linear-gradient(145deg, rgba(65, 15, 27, 0.7), rgba(35, 7, 14, 0.85));
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border-strong);
  border-radius: 1.25rem;
  box-shadow: var(--shadow-gold);
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, #D49B8E 0%, #BA7869 100%);
  color: #1A0408;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 0.875rem 1.75rem;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 4px 20px rgba(212, 155, 142, 0.35);
  transition: var(--transition-smooth);
  cursor: pointer;
  text-decoration: none;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #E5B2A6 0%, #C98777 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(212, 155, 142, 0.55);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-alabaster);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.875rem 1.75rem;
  border-radius: 9999px;
  border: 1px solid rgba(212, 155, 142, 0.3);
  backdrop-filter: blur(8px);
  transition: var(--transition-smooth);
  cursor: pointer;
  text-decoration: none;
}

.btn-secondary:hover {
  background: rgba(212, 155, 142, 0.15);
  border-color: var(--color-rose-gold);
  color: #FFF;
  transform: translateY(-2px);
}

.btn-gold {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, #DFBE7F 0%, #B8924B 100%);
  color: #160408;
  font-family: var(--font-sans);
  font-weight: 700;
  padding: 0.875rem 1.75rem;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow: 0 4px 20px rgba(223, 190, 127, 0.35);
  transition: var(--transition-smooth);
  cursor: pointer;
  text-decoration: none;
}

.btn-gold:hover {
  background: linear-gradient(135deg, #ECD19B 0%, #C9A056 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(223, 190, 127, 0.55);
}

/* Badge / Pills */
.badge-lux {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.9rem;
  border-radius: 9999px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(212, 155, 142, 0.12);
  color: var(--color-rose-gold-hover);
  border: 1px solid rgba(212, 155, 142, 0.28);
}

.badge-gold {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.9rem;
  border-radius: 9999px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(223, 190, 127, 0.12);
  color: var(--color-gold-glow);
  border: 1px solid rgba(223, 190, 127, 0.32);
}

/* Before / After Slider Component */
.before-after-container {
  position: relative;
  width: 100%;
  max-width: 680px;
  aspect-ratio: 1 / 1;
  margin: 0 auto;
  overflow: hidden;
  border-radius: 1.5rem;
  border: 2px solid var(--glass-border);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7), 0 0 35px rgba(212, 155, 142, 0.15);
  user-select: none;
}

.before-after-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.before-img-wrap {
  position: absolute;
  top: 0;
  left: 0;
  width: 50%;
  height: 100%;
  overflow: hidden;
  border-right: 2px solid var(--color-rose-gold);
  z-index: 2;
}

.before-img-wrap img {
  width: 680px;
  max-width: none;
  height: 100%;
  object-fit: cover;
}

.slider-handle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-rose-gold);
  color: #1A0408;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.8), 0 0 15px var(--color-rose-gold);
  z-index: 10;
  cursor: ew-resize;
  pointer-events: none;
}

.slider-input {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: ew-resize;
  z-index: 20;
}

/* Floating WhatsApp Pulse */
@keyframes pulse-glow {
  0% {
    box-shadow: 0 0 0 0 rgba(212, 155, 142, 0.6);
  }
  70% {
    box-shadow: 0 0 0 18px rgba(212, 155, 142, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(212, 155, 142, 0);
  }
}

.pulse-animation {
  animation: pulse-glow 2.5s infinite;
}

/* Form Styles */
.form-input, .form-select, .form-textarea {
  width: 100%;
  background: rgba(36, 7, 15, 0.7);
  border: 1px solid rgba(212, 155, 142, 0.3);
  border-radius: 0.75rem;
  padding: 0.85rem 1rem;
  color: var(--color-alabaster);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-rose-gold);
  background: rgba(45, 9, 19, 0.9);
  box-shadow: 0 0 0 3px rgba(212, 155, 142, 0.2);
}

.form-select option {
  background: #24070F;
  color: var(--color-alabaster);
}

/* Quiz Steps */
.quiz-step {
  display: none;
  opacity: 0;
  transform: translateY(12px);
  transition: all 0.4s ease;
}

.quiz-step.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.quiz-option-card {
  border: 1px solid rgba(212, 155, 142, 0.25);
  background: rgba(40, 8, 17, 0.55);
  border-radius: 1rem;
  padding: 1.25rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.quiz-option-card:hover {
  border-color: var(--color-rose-gold);
  background: rgba(65, 14, 27, 0.75);
  transform: scale(1.02);
}

.quiz-option-card.selected {
  border-color: var(--color-gold-glow);
  background: linear-gradient(145deg, rgba(82, 20, 36, 0.85), rgba(45, 9, 19, 0.9));
  box-shadow: 0 0 20px rgba(223, 190, 127, 0.25);
}

/* Tabs */
.tab-btn {
  padding: 0.65rem 1.35rem;
  border-radius: 9999px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-pearl-cream);
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.tab-btn:hover {
  color: #FFF;
  border-color: rgba(212, 155, 142, 0.3);
}

.tab-btn.active {
  background: rgba(212, 155, 142, 0.18);
  border-color: var(--color-rose-gold);
  color: #FFF;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

/* Modal Styling */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 2, 6, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: linear-gradient(165deg, #2D0913 0%, #1A0308 100%);
  border: 1px solid var(--glass-border);
  border-radius: 1.5rem;
  max-width: 780px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 40px rgba(212, 155, 142, 0.2);
  transform: scale(0.95);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.open .modal-content {
  transform: scale(1);
}

/* Color swatch preview in Brand Manual */
.color-swatch-card {
  border-radius: 1rem;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  transition: var(--transition-smooth);
}

.color-swatch-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
}

.swatch-color-box {
  height: 90px;
  width: 100%;
  position: relative;
  display: flex;
  align-items: flex-end;
  padding: 0.5rem;
}

/* Toast notification */
.toast-notice {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: #3B0E18;
  color: var(--color-alabaster);
  border: 1px solid var(--color-gold-glow);
  padding: 0.85rem 1.75rem;
  border-radius: 9999px;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), 0 0 20px rgba(223, 190, 127, 0.3);
  z-index: 999;
  opacity: 0;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

.toast-notice.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* Keyframes for subtle ambient floating shapes */
@keyframes float-slow {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-12px) rotate(2deg); }
}

.animate-float {
  animation: float-slow 6s ease-in-out infinite;
}