:root {
  --background: 38 56% 94%;
  --foreground: 24 42% 14%;
  --primary: 24 68% 28%;
  --secondary: 43 84% 58%;
  --muted: 26 18% 41%;
  --destructive: 3 72% 48%;
  --border: 31 28% 80%;
  --card: 40 66% 98%;
  --shadow-sm: 0 8px 20px hsl(24 68% 18% / 0.08);
  --shadow-md: 0 18px 42px hsl(24 68% 18% / 0.13);
  --shadow-lg: 0 26px 70px hsl(24 68% 18% / 0.2);
  --transition-fast: 160ms ease;
  --transition-smooth: 280ms cubic-bezier(0.2, 0.8, 0.2, 1);
  --radius-sm: 0.75rem;
  --radius-md: 1rem;
  --radius-lg: 1.6rem;
}

.dark {
  --background: 24 28% 9%;
  --foreground: 40 45% 92%;
  --primary: 35 78% 64%;
  --secondary: 18 62% 42%;
  --muted: 36 18% 72%;
  --destructive: 3 72% 62%;
  --border: 24 22% 23%;
  --card: 24 30% 13%;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at top left, hsl(var(--secondary) / 0.28), transparent 34rem),
    linear-gradient(135deg, hsl(var(--background)), hsl(36 58% 88%));
  color: hsl(var(--foreground));
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
a,
input,
select,
textarea {
  -webkit-tap-highlight-color: transparent;
}

input,
select,
textarea {
  font-size: max(16px, 1rem);
}

.nav-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  border-radius: var(--radius-md);
  padding: 0.65rem 1rem;
  color: hsl(var(--muted));
  font-weight: 800;
  transition: var(--transition-fast);
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link-active {
  background: hsl(var(--primary) / 0.12);
  color: hsl(var(--primary));
  outline: none;
}

.bottom-nav-item {
  min-height: 58px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.15rem;
  border-radius: 1.1rem;
  color: hsl(var(--muted));
  transition: var(--transition-smooth);
}

.bottom-nav-active {
  background: hsl(var(--primary));
  color: white;
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.btn-primary,
.btn-secondary {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  padding: 0.85rem 1.2rem;
  font-weight: 950;
  transition: var(--transition-smooth);
}

.btn-primary {
  background: hsl(var(--primary));
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover,
.btn-secondary:hover {
  transform: translateY(-2px) scale(1.01);
}

.btn-primary:focus-visible,
.btn-secondary:focus-visible {
  outline: 2px solid hsl(var(--primary));
  outline-offset: 3px;
}

.btn-secondary {
  background: hsl(var(--card));
  color: hsl(var(--primary));
  border: 1px solid hsl(var(--border));
}

.hero-glow {
  position: absolute;
  pointer-events: none;
  border-radius: 999px;
  filter: blur(12px);
  opacity: 0.7;
}

.hero-glow-one {
  width: 18rem;
  height: 18rem;
  right: -8rem;
  top: 6rem;
  background: hsl(var(--secondary) / 0.42);
}

.hero-glow-two {
  width: 14rem;
  height: 14rem;
  left: -6rem;
  bottom: 3rem;
  background: hsl(var(--primary) / 0.16);
}

.owner-card,
.product-3d-card {
  border: 1px solid hsl(var(--border));
  border-radius: 2rem;
  padding: 1.2rem;
  background: linear-gradient(150deg, hsl(var(--card) / 0.82), hsl(var(--secondary) / 0.18));
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(18px);
}

.product-scene {
  min-height: 22rem;
  border-radius: 1.55rem;
  display: grid;
  place-items: center;
  overflow: hidden;
  position: relative;
  perspective: 900px;
  background:
    radial-gradient(ellipse at 50% 78%, hsl(var(--primary) / 0.24), transparent 42%),
    radial-gradient(circle at 28% 20%, hsl(var(--secondary) / 0.55), transparent 11rem),
    linear-gradient(135deg, hsl(40 80% 90%), hsl(31 72% 70%));
}

.product-scene::before {
  content: '';
  position: absolute;
  width: 18rem;
  height: 3.2rem;
  bottom: 2.1rem;
  border-radius: 50%;
  background: hsl(24 68% 14% / 0.22);
  filter: blur(12px);
  transform: rotateX(60deg);
}

.product-pack {
  position: absolute;
  width: 12.6rem;
  height: 17rem;
  border-radius: 1.25rem 1.25rem 2rem 2rem;
  transform-style: preserve-3d;
  box-shadow: 0 28px 50px hsl(24 68% 14% / 0.28);
}

.product-pack-front {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.15rem;
  background:
    linear-gradient(90deg, hsl(39 72% 78% / 0.55), transparent 24%, transparent 74%, hsl(24 55% 24% / 0.18)),
    linear-gradient(160deg, hsl(var(--secondary)), hsl(35 78% 72%) 42%, hsl(var(--primary)) 43%, hsl(24 68% 34%));
  color: white;
  transform: rotateY(-13deg) rotateX(4deg) rotateZ(1deg);
  animation: product-float 4.6s ease-in-out infinite;
}

.product-pack-front::after {
  content: '';
  position: absolute;
  inset: 0 -1rem 0 auto;
  width: 1.65rem;
  border-radius: 0 1.25rem 2rem 0;
  background: linear-gradient(180deg, hsl(24 60% 24%), hsl(24 68% 18%));
  transform: rotateY(74deg) translateZ(-0.9rem);
  transform-origin: left;
}

.product-pack-back {
  background: linear-gradient(160deg, hsl(39 80% 68%), hsl(24 62% 28%));
  opacity: 0.6;
  transform: translate(3.6rem, 0.9rem) rotateY(-24deg) rotateZ(7deg) scale(0.84);
  filter: blur(0.3px);
}

.pack-cap {
  width: 7rem;
  height: 1.05rem;
  margin: 0 auto 0.8rem;
  border-radius: 0 0 1rem 1rem;
  background: hsl(var(--primary));
  box-shadow: inset 0 -4px 0 hsl(0 0% 100% / 0.18);
}

.pack-brand {
  width: 100%;
  border-radius: 999px;
  background: hsl(var(--primary));
  padding: 0.45rem 0.7rem;
  text-align: center;
  font-size: 0.82rem;
  font-weight: 1000;
  letter-spacing: 0.16em;
}

.pack-window {
  width: 8.4rem;
  height: 8.4rem;
  margin-top: 1rem;
  display: grid;
  place-items: center;
  align-content: center;
  border-radius: 50%;
  border: 0.45rem solid hsl(0 0% 100% / 0.9);
  background:
    radial-gradient(circle, hsl(34 74% 72%) 0 18%, transparent 19%),
    radial-gradient(circle at 35% 62%, hsl(20 54% 38%) 0 6%, transparent 7%),
    hsl(35 54% 55%);
  color: hsl(var(--primary));
  box-shadow: inset 0 8px 18px hsl(24 68% 14% / 0.22);
}

.pack-window span,
.pack-window strong {
  display: block;
  line-height: 1;
  text-shadow: 0 1px 0 hsl(0 0% 100% / 0.4);
}

.pack-window span {
  font-size: 1.25rem;
  font-weight: 1000;
}

.pack-window strong {
  margin-top: 0.25rem;
  font-size: 1.1rem;
  letter-spacing: 0.08em;
}

.pack-label {
  margin-top: 0.8rem;
  border-radius: 0.85rem;
  background: hsl(0 0% 100% / 0.88);
  color: hsl(var(--primary));
  padding: 0.45rem 0.8rem;
  font-weight: 1000;
}

.pack-label-small {
  position: absolute;
  left: 50%;
  top: 48%;
  transform: translateX(-50%);
}

.pack-grains {
  margin-top: auto;
  display: flex;
  gap: 0.25rem;
}

.pack-grains i {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 999px;
  background: hsl(var(--secondary));
  border: 1px solid hsl(0 0% 100% / 0.75);
}

.pack-shine {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(115deg, transparent 18%, hsl(0 0% 100% / 0.32) 34%, transparent 49%);
  pointer-events: none;
}

.profile-portrait {
  min-height: 22rem;
  border-radius: 1.55rem;
  display: grid;
  place-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 22%, hsl(36 84% 76%) 0 4rem, transparent 4.1rem),
    radial-gradient(circle at 50% 44%, hsl(var(--primary)) 0 7.6rem, transparent 7.7rem),
    linear-gradient(135deg, hsl(var(--secondary)), hsl(24 72% 38%));
  position: relative;
}

.profile-portrait::before,
.profile-portrait::after {
  content: '';
  position: absolute;
  border-radius: 999px;
  background: hsl(var(--card) / 0.25);
}

.profile-portrait::before {
  width: 12rem;
  height: 12rem;
  left: -4rem;
  bottom: -4rem;
}

.profile-portrait::after {
  width: 8rem;
  height: 8rem;
  right: -2rem;
  top: -2rem;
}

.profile-portrait span {
  position: relative;
  z-index: 1;
  color: white;
  font-size: 4rem;
  font-weight: 1000;
  letter-spacing: 0.1em;
  text-shadow: 0 10px 30px hsl(0 0% 0% / 0.25);
}

.qr-art {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.55rem;
  aspect-ratio: 1;
  border-radius: 1.4rem;
  background: white;
  padding: 1rem;
}

.qr-art div {
  border-radius: 0.35rem;
  background: hsl(var(--primary));
}

.qr-art div:nth-child(2),
.qr-art div:nth-child(4),
.qr-art div:nth-child(9) {
  background: hsl(var(--secondary));
}

.qr-art div:nth-child(5) {
  background: white;
  border: 0.35rem solid hsl(var(--primary));
}

.review-card {
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius-lg);
  background: hsl(var(--card));
  padding: 1.4rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition-smooth);
}

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

.closing-panel {
  border-radius: 2rem;
  border: 1px solid hsl(var(--border));
  background:
    radial-gradient(circle at top, hsl(var(--secondary) / 0.3), transparent 22rem),
    hsl(var(--card));
  padding: 2rem 1.2rem;
  box-shadow: var(--shadow-lg);
}

@keyframes product-float {
  0%, 100% {
    transform: rotateY(-13deg) rotateX(4deg) rotateZ(1deg) translateY(0);
  }
  50% {
    transform: rotateY(-8deg) rotateX(6deg) rotateZ(-1deg) translateY(-0.7rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .product-pack-front {
    animation: none;
  }
}

@media (min-width: 640px) {
  .closing-panel {
    padding: 3rem;
  }
}