/* ============================================
   VIVI CUPCAKES — Design System v1.0
   Tokens, Animations & Components
   ============================================ */

/* --- DESIGN TOKENS --- */
:root {
  /* Primary — Rosa */
  --vivi-rosa: #F2728C;
  --vivi-rosa-dark: #D4566F;
  --vivi-rosa-light: #F9B9C7;
  --vivi-rosa-lighter: #FDE0E7;
  --vivi-rosa-glow: rgba(242, 114, 140, 0.35);

  /* Secondary — Marrom */
  --vivi-marrom: #57373A;
  --vivi-marrom-dark: #3D2528;
  --vivi-marrom-light: #8B7072;
  --vivi-marrom-lighter: #D4C5C6;

  /* Accent — Verde */
  --vivi-verde: #BBD976;
  --vivi-verde-dark: #9BC24D;
  --vivi-verde-light: #D9ECAF;

  /* Neutral — Cinza */
  --vivi-cinza: #414042;
  --vivi-cinza-light: #A0A0A1;
  --vivi-cinza-lighter: #E8E8E8;

  /* Surfaces */
  --vivi-cream: #FFF9F5;
  --vivi-cream-dark: #F5EDE6;
  --vivi-white: #FFFFFF;

  /* Feedback */
  --vivi-success: #4CAF50;
  --vivi-warning: #FF9800;
  --vivi-error: #E53935;
  --vivi-info: #2196F3;

  /* Typography */
  --font-display: 'Parisienne', cursive;
  --font-primary: 'Poppins', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing */
  --section-py: 6rem;
  --section-px: 1.5rem;
  --container-max: 1440px;

  /* Transitions */
  --ease-reveal: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

@media (min-width: 768px) {
  :root {
    --section-px: 6rem;
  }
}

/* --- BASE RESET --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  color: var(--vivi-marrom);
  background: var(--vivi-cream);
  overflow-x: hidden;
  line-height: 1.6;
}

::selection {
  background: var(--vivi-rosa);
  color: var(--vivi-white);
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

/* --- SCROLLBAR --- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--vivi-cream); }
::-webkit-scrollbar-thumb { background: var(--vivi-rosa-light); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--vivi-rosa); }

/* --- TYPOGRAPHY SCALE --- */
.ds-h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 4.5rem);
  font-weight: 400;
  line-height: 1.0;
  letter-spacing: -0.02em;
  color: var(--vivi-marrom);
}

.ds-h2 {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 3rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--vivi-marrom);
}

.ds-h3 {
  font-family: var(--font-primary);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.ds-h4 {
  font-family: var(--font-primary);
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.3;
}

.ds-h5 {
  font-family: var(--font-primary);
  font-size: 1.25rem;
  font-weight: 500;
  line-height: 1.4;
}

.ds-h6 {
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.05em;
}

.ds-body-lg {
  font-family: var(--font-primary);
  font-size: 1.125rem;
  font-weight: 300;
  line-height: 1.7;
}

.ds-body {
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.6;
}

.ds-body-sm {
  font-family: var(--font-primary);
  font-size: 0.875rem;
  font-weight: 400;
  line-height: 1.5;
}

.ds-caption {
  font-family: var(--font-primary);
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.05em;
}

.ds-label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.ds-helper {
  font-family: var(--font-primary);
  font-size: 0.75rem;
  font-weight: 400;
  line-height: 1.3;
  color: var(--vivi-cinza-light);
}

/* --- LAYOUT --- */
.ds-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--section-px);
}

.ds-section {
  padding: var(--section-py) 0;
  position: relative;
  overflow: hidden;
}

.ds-section-header {
  margin-bottom: 4rem;
}

.ds-badge-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.ds-badge-label .dot {
  width: 6px;
  height: 6px;
  background: var(--vivi-rosa);
  border-radius: 50%;
}

.ds-badge-label span {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--vivi-cinza-light);
}

/* --- BACKGROUND PATTERNS --- */
.bg-cream { background: var(--vivi-cream); }
.bg-cream-dark { background: var(--vivi-cream-dark); }
.bg-marrom-dark {
  background: var(--vivi-marrom-dark);
  color: var(--vivi-cream);
}

.bg-grid {
  background-size: 40px 40px;
  background-image:
    linear-gradient(to right, rgba(87, 55, 58, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(87, 55, 58, 0.04) 1px, transparent 1px);
}

.bg-dot-grid {
  background-image: radial-gradient(circle at 1px 1px, rgba(87, 55, 58, 0.08) 1px, transparent 0);
  background-size: 24px 24px;
}

.noise-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  opacity: 0.03;
  pointer-events: none;
  z-index: 9999;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* --- NAVBAR --- */
.ds-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  isolation: isolate;
  transition: all 0.4s var(--ease-smooth);
}

.ds-nav-inner {
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(255, 249, 245, 0.7);
  border-bottom: 1px solid var(--vivi-rosa-lighter);
  transition: all 0.4s var(--ease-smooth);
}

.ds-nav.scrolled .ds-nav-inner {
  background: rgba(255, 249, 245, 0.95);
  box-shadow: 0 4px 30px rgba(87, 55, 58, 0.06);
}

.ds-nav-content {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0.875rem var(--section-px);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.ds-nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.ds-nav-logo img {
  height: 40px;
  width: auto;
  transition: transform 0.5s var(--ease-reveal);
}

.ds-nav-logo:hover img {
  transform: rotate(10deg) scale(1.05);
}

.ds-nav-links {
  display: none;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

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

.ds-nav-links a {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--vivi-marrom-light);
  transition: color 0.3s;
  position: relative;
}

.ds-nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--vivi-rosa);
  transition: width 0.3s var(--ease-reveal);
}

.ds-nav-links a:hover {
  color: var(--vivi-rosa);
}

.ds-nav-links a:hover::after {
  width: 100%;
}

/* --- HERO SECTION --- */
.ds-hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  padding: 6rem var(--section-px) 3rem;
  overflow: hidden;
}

.ds-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(
    135deg,
    var(--vivi-cream) 0%,
    var(--vivi-rosa-lighter) 35%,
    var(--vivi-cream) 60%,
    var(--vivi-verde-light) 100%
  );
  background-size: 400% 400%;
  animation: hero-gradient 12s ease-in-out infinite;
}

@keyframes hero-gradient {
  0%, 100% { background-position: 0% 50%; }
  25% { background-position: 100% 0%; }
  50% { background-position: 100% 100%; }
  75% { background-position: 0% 100%; }
}

/* Floating Particles */
.ds-hero-particles {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}

.ds-particle {
  position: absolute;
  border-radius: 50%;
  opacity: 0.15;
  animation: particle-float var(--duration, 8s) ease-in-out infinite;
  animation-delay: var(--delay, 0s);
}

@keyframes particle-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(var(--dx, 30px), var(--dy, -40px)) scale(1.1); }
  50% { transform: translate(var(--dx2, -20px), var(--dy2, -80px)) scale(0.9); }
  75% { transform: translate(var(--dx3, 40px), var(--dy3, -30px)) scale(1.05); }
}

/* Arabescos SVG */
.ds-hero-arabesco {
  position: absolute;
  z-index: 1;
  opacity: 0.06;
  pointer-events: none;
}

.ds-hero-arabesco.top-left {
  top: -60px; left: -60px;
  transform: rotate(0deg);
}

.ds-hero-arabesco.bottom-right {
  bottom: -60px; right: -60px;
  transform: rotate(180deg);
}

/* Hero Content */
.ds-hero-content {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.ds-hero-logo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: contain;
  animation: glow-pulse 3s ease-in-out infinite;
  filter: drop-shadow(0 0 20px var(--vivi-rosa-glow));
}

@keyframes glow-pulse {
  0%, 100% { filter: drop-shadow(0 0 20px var(--vivi-rosa-glow)); }
  50% { filter: drop-shadow(0 0 40px var(--vivi-rosa-glow)) drop-shadow(0 0 60px rgba(242, 114, 140, 0.15)); }
}

.ds-hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 10vw, 6rem);
  color: var(--vivi-marrom);
  line-height: 1;
  position: relative;
}

.ds-hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--vivi-marrom-light);
  font-weight: 300;
  max-width: 500px;
  line-height: 1.6;
}

/* Hero Floating Images */
.ds-hero-images {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.ds-hero-float-img {
  position: absolute;
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(87, 55, 58, 0.15);
  animation: float-img var(--float-speed, 6s) ease-in-out infinite;
  animation-delay: var(--float-delay, 0s);
  opacity: 0.85;
  transition: opacity 0.5s, transform 0.5s;
}

.ds-hero-float-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@keyframes float-img {
  0%, 100% { transform: translateY(0) rotate(var(--rot, 0deg)); }
  50% { transform: translateY(var(--float-y, -20px)) rotate(var(--rot2, 2deg)); }
}

/* Scroll Hint */
.ds-scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  z-index: 10;
  opacity: 0.5;
}

.ds-scroll-hint span {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--vivi-marrom-light);
}

.ds-scroll-line {
  width: 1px;
  height: 2rem;
  background: var(--vivi-marrom-light);
  position: relative;
  overflow: hidden;
}

.ds-scroll-line::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: var(--vivi-rosa);
  animation: scroll-line 1.5s ease-in-out infinite;
}

@keyframes scroll-line {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100%); }
}

/* --- MARQUEE --- */
.ds-marquee {
  overflow: hidden;
  border-top: 1px solid var(--vivi-rosa-lighter);
  border-bottom: 1px solid var(--vivi-rosa-lighter);
  padding: 1rem 0;
  background: var(--vivi-white);
  position: relative;
  z-index: 10;
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.ds-marquee-content {
  display: flex;
  width: max-content;
  animation: marquee 35s linear infinite;
}

.ds-marquee:hover .ds-marquee-content {
  animation-play-state: paused;
}

.ds-marquee-item {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 0 2rem;
  white-space: nowrap;
}

.ds-marquee-item span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--vivi-marrom-light);
}

.ds-marquee-item .dot {
  width: 4px;
  height: 4px;
  background: var(--vivi-rosa);
  border-radius: 50%;
  flex-shrink: 0;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* --- BUTTONS --- */
.ds-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: 9999px;
  font-family: var(--font-primary);
  font-size: 0.875rem;
  font-weight: 500;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.35s var(--ease-smooth);
  position: relative;
  overflow: hidden;
  outline: none;
}

.ds-btn:active { transform: scale(0.97); }

/* Primary */
.ds-btn-primary {
  background: var(--vivi-rosa);
  color: var(--vivi-white);
  border-color: var(--vivi-rosa);
}
.ds-btn-primary:hover {
  background: var(--vivi-rosa-dark);
  border-color: var(--vivi-rosa-dark);
  box-shadow: 0 8px 30px var(--vivi-rosa-glow);
  transform: translateY(-2px);
}

/* Secondary */
.ds-btn-secondary {
  background: transparent;
  color: var(--vivi-marrom);
  border-color: var(--vivi-marrom);
}
.ds-btn-secondary:hover {
  background: var(--vivi-marrom);
  color: var(--vivi-white);
  transform: translateY(-2px);
}

/* Accent */
.ds-btn-accent {
  background: var(--vivi-verde);
  color: var(--vivi-marrom-dark);
  border-color: var(--vivi-verde);
}
.ds-btn-accent:hover {
  background: var(--vivi-verde-dark);
  border-color: var(--vivi-verde-dark);
  transform: translateY(-2px);
}

/* Ghost */
.ds-btn-ghost {
  background: transparent;
  color: var(--vivi-marrom-light);
  border-color: transparent;
}
.ds-btn-ghost:hover {
  background: var(--vivi-rosa-lighter);
  color: var(--vivi-rosa-dark);
}

/* White */
.ds-btn-white {
  background: var(--vivi-white);
  color: var(--vivi-marrom);
  border-color: var(--vivi-white);
}
.ds-btn-white:hover {
  border-color: var(--vivi-rosa-light);
  box-shadow: 0 8px 30px rgba(87, 55, 58, 0.08);
  transform: translateY(-2px);
}

/* Disabled */
.ds-btn:disabled, .ds-btn.disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

/* Loading */
.ds-btn-loading {
  pointer-events: none;
  color: transparent !important;
}

.ds-btn-loading::after {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  border: 2px solid var(--vivi-white);
  border-top-color: transparent;
  border-radius: 50%;
  animation: btn-spin 0.6s linear infinite;
}

.ds-btn-secondary.ds-btn-loading::after {
  border-color: var(--vivi-marrom);
  border-top-color: transparent;
}

@keyframes btn-spin {
  to { transform: rotate(360deg); }
}

/* Icon button */
.ds-btn-icon {
  width: 44px; height: 44px;
  padding: 0;
  border-radius: 50%;
}

/* Glow Border Button (Lumina-style) */
.ds-btn-glow {
  position: relative;
  display: inline-flex;
  cursor: pointer;
  overflow: hidden;
  border-radius: 9999px;
  border: none;
  background: linear-gradient(to bottom, rgba(255,255,255,0.15), transparent, rgba(255,255,255,0.05));
  box-shadow: 0 0 25px var(--vivi-rosa-glow), 0 8px 40px rgba(242, 114, 140, 0.15);
  transition: all 0.3s var(--ease-smooth);
  isolation: isolate;
  text-decoration: none;
}

.ds-btn-glow:hover {
  transform: scale(1.05);
  box-shadow: 0 0 50px 10px var(--vivi-rosa-glow);
}

.ds-btn-glow-spin {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border-radius: 9999px;
}

.ds-btn-glow-spin::before {
  content: '';
  position: absolute;
  inset: -100%;
  width: 300%;
  height: 300%;
  background: conic-gradient(
    from 0deg,
    transparent 0deg,
    transparent 80deg,
    var(--vivi-rosa-light) 150deg,
    var(--vivi-rosa) 180deg,
    var(--vivi-rosa-light) 210deg,
    transparent 280deg,
    transparent 360deg
  );
  animation: glow-spin 3s linear infinite;
}

@keyframes glow-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.ds-btn-glow-bg {
  position: absolute;
  inset: 1.5px;
  border-radius: 9999px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: var(--vivi-marrom-dark);
  z-index: 0;
}

.ds-btn-glow.light .ds-btn-glow-bg {
  background: rgba(255, 249, 245, 0.92);
}

.ds-btn-glow-content {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem 0.75rem 1rem;
  font-family: var(--font-primary);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--vivi-white);
  white-space: nowrap;
  letter-spacing: -0.01em;
}

.ds-btn-glow.light .ds-btn-glow-content {
  color: var(--vivi-marrom);
}

.ds-btn-glow-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(to bottom, var(--vivi-rosa), var(--vivi-rosa-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(242, 114, 140, 0.3);
  ring: 1px rgba(255,255,255,0.2);
  transition: transform 0.3s;
}

.ds-btn-glow:hover .ds-btn-glow-icon {
  transform: scale(1.1);
}

.ds-btn-glow-arrow {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: 0.25rem;
  transition: all 0.3s;
  color: rgba(255,255,255,0.7);
}

.ds-btn-glow:hover .ds-btn-glow-arrow {
  transform: translateX(2px);
  color: white;
}

.ds-btn-glow.light .ds-btn-glow-arrow {
  background: rgba(87, 55, 58, 0.08);
  color: var(--vivi-marrom-light);
}

/* Shimmer Effect on Buttons */
.ds-btn-shimmer {
  position: relative;
  overflow: hidden;
}

.ds-btn-shimmer::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 50%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transform: skewX(-15deg);
  transition: left 0.6s;
}

.ds-btn-shimmer:hover::after {
  left: 150%;
}

/* --- INPUTS --- */
.ds-input-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.ds-input-label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--vivi-cinza-light);
  transition: color 0.3s;
}

.ds-input-group:focus-within .ds-input-label {
  color: var(--vivi-rosa);
}

.ds-input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--vivi-white);
  border: 1.5px solid var(--vivi-cinza-lighter);
  border-radius: 0.5rem;
  font-family: var(--font-primary);
  font-size: 0.9375rem;
  color: var(--vivi-marrom);
  outline: none;
  transition: all 0.3s var(--ease-smooth);
}

.ds-input::placeholder {
  color: var(--vivi-cinza-light);
}

.ds-input:focus {
  border-color: var(--vivi-rosa);
  box-shadow: 0 0 0 3px var(--vivi-rosa-lighter);
}

.ds-input-search {
  border-radius: 9999px;
  padding-left: 2.75rem;
  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='%23A0A0A1' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.3-4.3'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 1rem center;
}

textarea.ds-input {
  resize: vertical;
  min-height: 100px;
}

/* Checkbox */
.ds-checkbox {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  cursor: pointer;
  font-size: 0.875rem;
}

.ds-checkbox input[type="checkbox"] {
  appearance: none;
  width: 20px; height: 20px;
  border: 1.5px solid var(--vivi-cinza-lighter);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
  flex-shrink: 0;
}

.ds-checkbox input[type="checkbox"]:checked {
  background: var(--vivi-rosa);
  border-color: var(--vivi-rosa);
}

.ds-checkbox input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  top: 3px; left: 6px;
  width: 5px; height: 9px;
  border: 2px solid white;
  border-top: none; border-left: none;
  transform: rotate(45deg);
}

/* Toggle */
.ds-toggle {
  position: relative;
  width: 44px; height: 24px;
  cursor: pointer;
}

.ds-toggle input {
  opacity: 0;
  width: 0; height: 0;
  position: absolute;
}

.ds-toggle-track {
  position: absolute;
  inset: 0;
  background: var(--vivi-cinza-lighter);
  border-radius: 9999px;
  transition: background 0.3s;
}

.ds-toggle input:checked + .ds-toggle-track {
  background: var(--vivi-rosa);
}

.ds-toggle-thumb {
  position: absolute;
  top: 2px; left: 2px;
  width: 20px; height: 20px;
  background: var(--vivi-white);
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
  transition: transform 0.3s var(--ease-bounce);
}

.ds-toggle input:checked ~ .ds-toggle-thumb {
  transform: translateX(20px);
}

/* --- CARDS --- */
.ds-card {
  background: var(--vivi-white);
  border-radius: 1rem;
  overflow: hidden;
  border: 1px solid var(--vivi-cinza-lighter);
  transition: all 0.5s var(--ease-smooth);
}

.ds-card:hover {
  box-shadow: 0 20px 60px rgba(87, 55, 58, 0.1);
  transform: translateY(-4px);
}

/* Product Card */
.ds-card-product .ds-card-img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  transition: transform 0.7s var(--ease-smooth);
}

.ds-card-product:hover .ds-card-img {
  transform: scale(1.05);
}

.ds-card-product .ds-card-body {
  padding: 1.25rem;
}

.ds-card-product .ds-card-title {
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 0.375rem;
}

.ds-card-product .ds-card-desc {
  font-size: 0.8125rem;
  color: var(--vivi-marrom-light);
  margin-bottom: 1rem;
}

.ds-card-product .ds-card-price {
  font-weight: 600;
  color: var(--vivi-rosa);
  font-size: 1.125rem;
}

.ds-card-product .ds-card-img-wrapper {
  overflow: hidden;
  position: relative;
}

.ds-card-product .ds-card-img-wrapper::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(87, 55, 58, 0.15), transparent 40%);
  pointer-events: none;
}

/* Glass Card */
.ds-card-glass {
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 1rem;
  padding: 2rem;
  transition: all 0.5s;
}

.ds-card-glass:hover {
  background: rgba(255, 255, 255, 0.7);
  box-shadow: 0 20px 60px rgba(87, 55, 58, 0.08);
}

/* Flashlight Card */
.ds-card-flashlight {
  position: relative;
  background: var(--vivi-white);
  border: 1px solid var(--vivi-cinza-lighter);
  border-radius: 1rem;
  overflow: hidden;
  transition: border-color 0.3s;
}

.ds-card-flashlight::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    var(--vivi-rosa-lighter),
    transparent 40%
  );
  opacity: 0;
  transition: opacity 0.5s;
  pointer-events: none;
  z-index: 1;
}

.ds-card-flashlight:hover::before {
  opacity: 1;
}

.ds-card-flashlight:hover {
  border-color: var(--vivi-rosa-light);
}

.ds-card-flashlight > * {
  position: relative;
  z-index: 2;
}

/* Feature Card */
.ds-card-feature {
  padding: 1.5rem;
  border-radius: 1rem;
  border: 1px solid transparent;
  border-left: 3px solid var(--vivi-rosa-light);
  transition: all 0.4s var(--ease-smooth);
}

.ds-card-feature:hover {
  background: var(--vivi-white);
  box-shadow: 0 10px 40px rgba(87, 55, 58, 0.06);
  border-color: var(--vivi-cinza-lighter);
  border-left-color: var(--vivi-rosa);
}

/* --- BADGES --- */
.ds-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.ds-badge-rosa {
  background: var(--vivi-rosa-lighter);
  color: var(--vivi-rosa-dark);
}

.ds-badge-marrom {
  background: var(--vivi-marrom-lighter);
  color: var(--vivi-marrom);
}

.ds-badge-verde {
  background: var(--vivi-verde-light);
  color: var(--vivi-verde-dark);
}

.ds-badge-outline {
  background: transparent;
  border: 1px solid var(--vivi-cinza-lighter);
  color: var(--vivi-cinza);
}

.ds-badge-success {
  background: #e8f5e9;
  color: #2e7d32;
}

.ds-badge-warning {
  background: #fff3e0;
  color: #e65100;
}

.ds-badge-error {
  background: #ffebee;
  color: #c62828;
}

/* --- TOOLTIP --- */
.ds-tooltip-wrap {
  position: relative;
  display: inline-block;
  cursor: help;
}

.ds-tooltip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(6px) scale(0.95);
  padding: 0.5rem 0.875rem;
  background: var(--vivi-marrom);
  color: var(--vivi-white);
  font-size: 0.75rem;
  border-radius: 0.375rem;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: all 0.3s var(--ease-bounce);
  z-index: 50;
}

.ds-tooltip::after {
  content: '';
  position: absolute;
  top: 100%; left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: var(--vivi-marrom);
}

.ds-tooltip-wrap:hover .ds-tooltip {
  opacity: 1;
  transform: translateX(-50%) translateY(0) scale(1);
}

.ds-tooltip.bottom {
  top: calc(100% + 8px);
  bottom: auto;
}

.ds-tooltip.bottom::after {
  bottom: 100%; top: auto;
  border-top-color: transparent;
  border-bottom-color: var(--vivi-marrom);
}

/* --- MODAL --- */
.ds-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(57, 55, 58, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s var(--ease-smooth);
}

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

.ds-modal {
  background: var(--vivi-white);
  border-radius: 1.25rem;
  padding: 2.5rem;
  max-width: 440px;
  width: 90%;
  box-shadow: 0 40px 100px rgba(87, 55, 58, 0.2);
  transform: translateY(20px) scale(0.95);
  transition: transform 0.4s var(--ease-reveal), opacity 0.4s;
  opacity: 0;
}

.ds-modal-overlay.active .ds-modal {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.ds-modal-close {
  position: absolute;
  top: 1rem; right: 1rem;
  background: none; border: none;
  cursor: pointer;
  color: var(--vivi-cinza-light);
  transition: color 0.2s;
  font-size: 1.25rem;
}

.ds-modal-close:hover { color: var(--vivi-marrom); }

/* --- REVEAL ANIMATIONS --- */
.reveal-up {
  opacity: 0;
  transform: translateY(30px);
  filter: blur(12px);
  will-change: transform, opacity, filter;
  transition: all 1s var(--ease-reveal);
}

.reveal-up.active {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

.reveal-zoom {
  opacity: 0;
  transform: scale(0.95);
  filter: blur(8px);
  will-change: transform, opacity, filter;
  transition: all 0.9s var(--ease-reveal);
}

.reveal-zoom.active {
  opacity: 1;
  transform: scale(1);
  filter: blur(0);
}

/* Reveal Left */
.reveal-left {
  opacity: 0;
  transform: translateX(-60px);
  filter: blur(8px);
  will-change: transform, opacity, filter;
  transition: all 1s var(--ease-reveal);
}

.reveal-left.active {
  opacity: 1;
  transform: translateX(0);
  filter: blur(0);
}

/* Reveal Right */
.reveal-right {
  opacity: 0;
  transform: translateX(60px);
  filter: blur(8px);
  will-change: transform, opacity, filter;
  transition: all 1s var(--ease-reveal);
}

.reveal-right.active {
  opacity: 1;
  transform: translateX(0);
  filter: blur(0);
}

/* Reveal Stagger (children inside product) */
.reveal-stagger {
  opacity: 0;
  transform: translateY(20px);
  filter: blur(6px);
  will-change: transform, opacity, filter;
  transition: all 0.8s var(--ease-reveal);
}

.reveal-stagger.active {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

/* Text Reveal */
.text-reveal-wrapper {
  overflow: hidden;
  display: inline-block;
  vertical-align: bottom;
}

.text-reveal-content {
  display: block;
  transform: translateY(110%);
  opacity: 0;
  transition: transform 1.2s var(--ease-reveal), opacity 1.2s ease;
}

.reveal-active .text-reveal-content {
  transform: translateY(0);
  opacity: 1;
}

/* Char Reveal */
.char {
  display: inline-block;
  opacity: 0;
  transform: translateY(100%);
  transition: all 0.7s var(--ease-reveal);
}

.char.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger Delays */
.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }
.delay-500 { transition-delay: 0.5s; }
.delay-600 { transition-delay: 0.6s; }
.delay-700 { transition-delay: 0.7s; }

/* --- SPECIAL ANIMATIONS --- */

/* Float */
.animate-float {
  animation: float-anim 6s ease-in-out infinite;
}

@keyframes float-anim {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

.animate-float-slow {
  animation: float-anim 10s ease-in-out infinite;
}

.animate-float-fast {
  animation: float-anim 4s ease-in-out infinite;
}

/* Glow Pulse */
.animate-glow {
  animation: glow-box 2.5s ease-in-out infinite;
}

@keyframes glow-box {
  0%, 100% { box-shadow: 0 0 15px var(--vivi-rosa-glow); }
  50% { box-shadow: 0 0 35px var(--vivi-rosa-glow), 0 0 60px rgba(242, 114, 140, 0.15); }
}

/* Shimmer */
.animate-shimmer {
  background: linear-gradient(
    110deg,
    var(--vivi-rosa-lighter) 0%,
    var(--vivi-white) 40%,
    var(--vivi-rosa-lighter) 60%,
    var(--vivi-white) 100%
  );
  background-size: 200% 100%;
  animation: shimmer-move 2.5s linear infinite;
}

@keyframes shimmer-move {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Scanline */
.ds-scanline {
  position: relative;
  overflow: hidden;
}

.ds-scanline::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.4), transparent);
  transform: translateY(-100%);
  transition: transform 1.5s ease-in-out;
  pointer-events: none;
  z-index: 5;
}

.ds-scanline:hover::after {
  transform: translateY(100%);
}

/* Morph */
.animate-morph {
  animation: morph-shape 8s ease-in-out infinite;
}

@keyframes morph-shape {
  0%, 100% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
  25% { border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%; }
  50% { border-radius: 50% 50% 30% 70% / 40% 60% 60% 40%; }
  75% { border-radius: 40% 60% 50% 50% / 60% 40% 50% 60%; }
}

/* Background Mesh Gradient */
.bg-mesh-animated {
  background:
    radial-gradient(ellipse at 20% 50%, var(--vivi-rosa-lighter) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, var(--vivi-verde-light) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, var(--vivi-marrom-lighter) 0%, transparent 50%),
    var(--vivi-cream);
  background-size: 200% 200%;
  animation: mesh-move 15s ease-in-out infinite;
}

@keyframes mesh-move {
  0%, 100% { background-position: 0% 0%; }
  25% { background-position: 50% 50%; }
  50% { background-position: 100% 50%; }
  75% { background-position: 50% 0%; }
}

/* Glow card border */
.ds-glow-border {
  position: relative;
  overflow: hidden;
  border-radius: 1rem;
}

.ds-glow-border::before {
  content: '';
  position: absolute;
  inset: -2px;
  z-index: -1;
  background: linear-gradient(135deg, var(--vivi-rosa-light), var(--vivi-verde-light), var(--vivi-rosa-light));
  border-radius: inherit;
  opacity: 0;
  transition: opacity 0.5s;
  filter: blur(8px);
}

.ds-glow-border:hover::before {
  opacity: 0.8;
}

/* Gradient Text */
.ds-text-gradient {
  background: linear-gradient(135deg, var(--vivi-rosa), var(--vivi-marrom));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- COLOR SWATCH --- */
.ds-swatch {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 1rem;
  transition: all 0.4s var(--ease-smooth);
  cursor: pointer;
  position: relative;
}

.ds-swatch:hover {
  transform: scale(1.05);
}

.ds-swatch-info {
  margin-top: 0.75rem;
}

.ds-swatch-name {
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 0.25rem;
}

.ds-swatch-hex {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--vivi-cinza-light);
}

/* --- ICON GRID --- */
.ds-icon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 1px;
  background: var(--vivi-cinza-lighter);
  border-radius: 1rem;
  overflow: hidden;
}

.ds-icon-cell {
  background: var(--vivi-white);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  aspect-ratio: 1;
  transition: all 0.3s;
  cursor: pointer;
}

.ds-icon-cell:hover {
  background: var(--vivi-rosa-lighter);
}

.ds-icon-cell iconify-icon {
  font-size: 1.75rem;
  color: var(--vivi-marrom-light);
  transition: all 0.3s;
}

.ds-icon-cell:hover iconify-icon {
  color: var(--vivi-rosa);
  transform: scale(1.15);
}

.ds-icon-cell .ds-icon-name {
  font-family: var(--font-mono);
  font-size: 0.5rem;
  color: var(--vivi-cinza-light);
  opacity: 0;
  transition: opacity 0.3s;
  text-align: center;
}

.ds-icon-cell:hover .ds-icon-name {
  opacity: 1;
}

/* --- ANIMATION DEMO CARDS --- */
.ds-anim-demo {
  background: var(--vivi-white);
  border: 1px solid var(--vivi-cinza-lighter);
  border-radius: 1rem;
  overflow: hidden;
}

.ds-anim-preview {
  padding: 3rem 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 160px;
}

.ds-anim-info {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--vivi-cinza-lighter);
  background: var(--vivi-cream);
}

.ds-anim-name {
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 0.25rem;
}

.ds-anim-code {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--vivi-cinza-light);
  background: var(--vivi-white);
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  display: inline-block;
}

/* --- SECTION DEMO (navbar preview) --- */
.ds-preview-box {
  background: var(--vivi-cream);
  border: 1px solid var(--vivi-cinza-lighter);
  border-radius: 1rem;
  overflow: hidden;
  padding: 0;
}

/* --- RESPONSIVE --- */
@media (max-width: 767px) {
  .ds-hero-float-img {
    display: none;
  }

  .ds-hero-logo {
    width: 80px; height: 80px;
  }

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

/* ============================================
   REUSABLE LAYOUT PATTERNS
   ============================================ */

/* --- Video Background Section --- */
.ds-video-section {
  height: 100vh;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--vivi-marrom-dark);
}

.ds-video-section video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
}

.ds-video-overlay {
  position: absolute;
  inset: 0;
  background: rgba(61, 37, 40, 0.45);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

/* --- Glass Card (with glow + beam) --- */
.ds-glass-card {
  position: relative;
  z-index: 10;
}

.ds-glass-card-glow {
  position: absolute;
  inset: -3px;
  background: linear-gradient(135deg, var(--vivi-rosa-light), var(--vivi-rosa));
  border-radius: 1.25rem;
  filter: blur(15px);
  opacity: 0.15;
  transition: opacity 1s ease;
}

.ds-glass-card:hover .ds-glass-card-glow {
  opacity: 0.6;
  transition-duration: 0.3s;
}

.ds-glass-card-beam {
  position: absolute;
  inset: -2px;
  border-radius: 1.25rem;
  overflow: hidden;
  opacity: 0;
  transition: opacity 0.5s;
}

.ds-glass-card:hover .ds-glass-card-beam {
  opacity: 1;
}

.ds-glass-card-beam::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 200%;
  height: 200%;
  background: conic-gradient(from 0deg, transparent 0deg, transparent 300deg, var(--vivi-rosa) 360deg);
  animation: glow-spin 6s linear infinite;
}

.ds-glass-card-inner {
  position: relative;
  padding: 3.5rem 3rem;
  background: rgba(61, 37, 40, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.4);
}

@media (max-width: 640px) {
  .ds-glass-card-inner {
    padding: 2.5rem 2rem;
    margin: 0 1rem;
  }
}

/* --- Horizontal Slider --- */
.ds-slider {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  gap: 1.25rem;
  padding: 0.5rem var(--section-px) 1.5rem;
  mask-image: linear-gradient(90deg, transparent, black 3%, black 97%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 3%, black 97%, transparent);
  scrollbar-width: none;
}

.ds-slider::-webkit-scrollbar { display: none; }

.ds-slider-card {
  flex-shrink: 0;
  width: 155px;
  scroll-snap-align: center;
  text-align: center;
  cursor: pointer;
  transition: transform 0.35s var(--ease-smooth);
}

@media (min-width: 768px) {
  .ds-slider-card { width: 190px; }
}

.ds-slider-card:hover {
  transform: translateY(-4px) scale(1.03);
}

.ds-slider-arrow {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--vivi-cinza-lighter);
  background: var(--vivi-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.25s;
  color: var(--vivi-marrom-light);
  padding: 0;
}

.ds-slider-arrow:hover {
  border-color: var(--vivi-rosa);
  color: var(--vivi-rosa);
  background: var(--vivi-rosa-lighter);
}

/* --- Product Showcase (full-screen alternating) --- */
.ds-product-showcase {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
  align-content: center;
  min-height: 100svh;
  padding: 5rem var(--section-px);
  position: relative;
  transition: box-shadow 1.2s ease-out;
}

.ds-product-showcase:nth-child(even) {
  background: var(--vivi-cream-dark);
}

@media (min-width: 1024px) {
  .ds-product-showcase {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    padding: 4rem var(--section-px);
    max-width: var(--container-max);
    margin: 0 auto;
  }

  .ds-product-showcase-reverse .ds-product-showcase-img {
    order: 2;
  }

  .ds-product-showcase-reverse .ds-product-showcase-body {
    order: 1;
  }
}

/* --- Avatar Group (overlapping circles) --- */
.ds-avatar-group {
  display: flex;
  align-items: center;
  gap: 0;
}

.ds-avatar-group img {
  width: 44px !important;
  height: 44px !important;
  min-width: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--vivi-white);
  box-shadow: 0 4px 12px rgba(87, 55, 58, 0.1);
  transition: transform 0.3s;
  margin-left: -0.5rem;
}

.ds-avatar-group img:first-child {
  margin-left: 0;
}

.ds-avatar-group img:hover {
  transform: scale(1.15);
  z-index: 1;
}

/* --- UTILITY --- */
.text-rosa { color: var(--vivi-rosa); }
.text-marrom { color: var(--vivi-marrom); }
.text-verde { color: var(--vivi-verde); }
.text-cinza { color: var(--vivi-cinza); }
.text-cinza-light { color: var(--vivi-cinza-light); }

.bg-rosa { background: var(--vivi-rosa); }
.bg-marrom { background: var(--vivi-marrom); }
.bg-verde { background: var(--vivi-verde); }