:root {
  --radius: 0.75rem;
  --background: oklch(99% 0.005 85);
  --foreground: oklch(20% 0.05 30);
  --card: oklch(97% 0.015 85);
  --card-foreground: oklch(20% 0.05 30);
  --primary: oklch(60% 0.18 35);
  --primary-foreground: oklch(99% 0.01 85);
  --secondary: oklch(95% 0.04 80);
  --secondary-foreground: oklch(25% 0.08 30);
  --muted: oklch(92% 0.02 85);
  --muted-foreground: oklch(50% 0.06 40);
  --gold: oklch(65% 0.18 75);
  --border: oklch(85% 0.04 80 / 0.5);
  --input: oklch(96% 0.02 85);
  --ring: oklch(60% 0.18 35);
  --gradient-hero: radial-gradient(ellipse at top, oklch(96% 0.025 80) 0%, oklch(99% 0.005 85) 60%, oklch(100% 0 0) 100%);
  --gradient-cta: linear-gradient(135deg, oklch(55% 0.2 35) 0%, oklch(70% 0.18 55) 100%);
  --gradient-gold: linear-gradient(135deg, oklch(55% 0.18 65) 0%, oklch(40% 0.16 45) 100%);
  --shadow-glow: 0 20px 60px -15px oklch(55% 0.22 30 / 0.3);
  --shadow-card: 0 10px 40px -10px oklch(0% 0 0 / 0.12);
}

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

html {
  scroll-behavior: smooth;
  font-family: "Hind Siliguri", "Noto Sans Bengali", system-ui, sans-serif;
}

body {
  background: var(--gradient-hero);
  background-attachment: fixed;
  color: var(--foreground);
  min-height: 100vh;
  line-height: 1.5;
}

h1, h2, h3, h4 {
  font-weight: 800;
  letter-spacing: -0.01em;
}

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

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

button, input, textarea {
  font: inherit;
  color: inherit;
}

main {
  position: relative;
  overflow: hidden;
}

.container {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1rem;
}

.container-sm {
  max-width: 42rem;
  margin: 0 auto;
  padding: 0 1rem;
}

.container-md {
  max-width: 48rem;
  margin: 0 auto;
  padding: 0 1rem;
}

.text-center { text-align: center; }
.text-gold { color: var(--gold); }
.text-muted { color: var(--muted-foreground); }
.text-gradient-gold {
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.bg-gradient-cta { background: var(--gradient-cta); }
.bg-gradient-gold { background: var(--gradient-gold); }
.shadow-glow { box-shadow: var(--shadow-glow); }
.shadow-card { box-shadow: var(--shadow-card); }

/* Top banner */
.top-banner {
  background: var(--gradient-cta);
  color: var(--primary-foreground);
  text-align: center;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 700;
}

/* Hero */
.hero {
  padding: 2.5rem 1rem 3rem;
  text-align: center;
}

.badge-trust {
  display: inline-block;
  background: var(--secondary);
  border: 1px solid oklch(65% 0.18 75 / 0.3);
  padding: 0.375rem 1rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 1.5rem;
}

.countdown {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.countdown-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--secondary);
  border: 1px solid oklch(65% 0.18 75 / 0.4);
  border-radius: 0.5rem;
  padding: 0.75rem 1rem;
  min-width: 78px;
  box-shadow: var(--shadow-card);
}

.countdown-value {
  font-size: 1.875rem;
  font-weight: 800;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.countdown-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted-foreground);
  margin-top: 0.25rem;
}

.hero h1 {
  margin-top: 2rem;
  font-size: 1.875rem;
  line-height: 1.25;
}

.hero-desc {
  margin-top: 1rem;
  font-size: 1.125rem;
  color: var(--muted-foreground);
  max-width: 42rem;
  margin-left: auto;
  margin-right: auto;
}

.price-wrap {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.price-old {
  font-size: 1.5rem;
  color: var(--muted-foreground);
  text-decoration: line-through;
}

.price-new {
  font-size: 3rem;
  font-weight: 800;
}

.btn-cta {
  display: inline-block;
  background: var(--gradient-cta);
  color: var(--primary-foreground);
  font-weight: 800;
  padding: 1rem 2.5rem;
  border-radius: 9999px;
  font-size: 1.125rem;
  box-shadow: var(--shadow-glow);
  border: none;
  cursor: pointer;
  transition: transform 0.15s;
  animation: pulse-glow 2s infinite;
  margin-top: 1.5rem;
}

.btn-cta:hover { transform: scale(1.05); }

.hero-image-wrap {
  margin-top: 3rem;
  position: relative;
}

.hero-glow {
  position: absolute;
  inset: 0;
  background: var(--gradient-gold);
  opacity: 0.2;
  filter: blur(64px);
  border-radius: 9999px;
}

.hero-image {
  position: relative;
  margin: 0 auto;
  border-radius: 1.5rem;
  box-shadow: var(--shadow-glow);
  max-width: 28rem;
  width: 100%;
  border: 4px solid oklch(65% 0.18 75 / 0.3);
  animation: float 4s ease-in-out infinite;
}

/* Sections */
.section {
  padding: 4rem 1rem;
}

.section-title {
  font-size: 1.875rem;
  text-align: center;
  margin-bottom: 0.75rem;
}

.section-subtitle {
  text-align: center;
  color: var(--muted-foreground);
  margin-bottom: 2.5rem;
}

/* Features grid */
.features-grid {
  display: grid;
  gap: 1.25rem;
}

.feature-card {
  background: oklch(97% 0.015 85 / 0.7);
  border: 1px solid oklch(65% 0.18 75 / 0.2);
  border-radius: 1rem;
  padding: 1.75rem 1.5rem;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: all 0.15s;
}

.feature-card:hover {
  border-color: oklch(65% 0.18 75 / 0.6);
  transform: translateY(-4px);
}

.feature-icon { font-size: 3rem; margin-bottom: 0.75rem; }
.feature-card h3 {
  font-size: 1.125rem;
  color: var(--gold);
  margin-bottom: 0.5rem;
}
.feature-card p {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

/* Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.section-gallery .section-title {
  margin-bottom: 2.5rem;
}

.gallery-grid img {
  width: 100%;
  height: 12rem;
  object-fit: cover;
  border-radius: 0.75rem;
  border: 2px solid oklch(65% 0.18 75 / 0.2);
  box-shadow: var(--shadow-card);
  transition: all 0.15s;
}

.gallery-grid img:hover {
  border-color: oklch(65% 0.18 75 / 0.6);
  transform: scale(1.05);
}

/* Order form */
.order-section {
  scroll-margin-top: 2rem;
  padding-top: 5rem;
  padding-bottom: 5rem;
}

.order-form {
  background: oklch(97% 0.015 85 / 0.9);
  backdrop-filter: blur(8px);
  border: 2px solid oklch(65% 0.18 75 / 0.4);
  border-radius: 1rem;
  padding: 2rem 1.5rem;
  box-shadow: var(--shadow-glow);
}

.order-form-header {
  text-align: center;
  margin-bottom: 2rem;
  padding-top: 0.5rem;
}

.order-badge {
  display: inline-block;
  background: var(--gradient-cta);
  color: var(--primary-foreground);
  padding: 0.375rem 1.25rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.order-form-title {
  font-size: 1.75rem;
  line-height: 1.3;
  margin-bottom: 0.5rem;
}

.order-form-subtitle {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-top: 0.25rem;
}

.form-body {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-footer {
  margin-top: 1.5rem;
  padding-top: 0.25rem;
  padding-bottom: 0.5rem;
}

.form-group { margin-bottom: 0; }

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.package-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

.package-btn {
  padding: 0.75rem;
  border-radius: 0.5rem;
  font-weight: 700;
  border: 2px solid var(--border);
  background: oklch(99% 0.005 85 / 0.4);
  cursor: pointer;
  transition: all 0.15s;
}

.package-btn small {
  display: block;
  font-size: 0.75rem;
  font-weight: 400;
  opacity: 0.8;
}

.package-btn:hover {
  border-color: oklch(65% 0.18 75 / 0.6);
}

.package-btn.active {
  background: var(--gradient-cta);
  border-color: var(--gold);
  color: var(--primary-foreground);
  box-shadow: var(--shadow-glow);
}

.qty-control {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.qty-btn {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.5rem;
  background: var(--secondary);
  color: var(--secondary-foreground);
  font-weight: 700;
  font-size: 1.25rem;
  border: none;
  cursor: pointer;
}

.qty-value {
  font-size: 1.25rem;
  font-weight: 700;
  width: 2.5rem;
  text-align: center;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  background: var(--input);
  border: 1px solid var(--border);
  outline: none;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 2px oklch(60% 0.18 35 / 0.4);
}

.order-summary {
  background: oklch(99% 0.005 85 / 0.4);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 1.25rem;
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.375rem;
}

.summary-divider {
  height: 1px;
  background: var(--border);
  margin: 0.5rem 0;
}

.summary-total {
  display: flex;
  justify-content: space-between;
  color: var(--gold);
  font-weight: 800;
  font-size: 1rem;
}

.btn-submit {
  width: 100%;
  margin-top: 0;
  padding: 1rem 1.25rem;
  border-radius: 0.75rem;
  font-size: 1.125rem;
  font-weight: 800;
  background: var(--gradient-cta);
  color: var(--primary-foreground);
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-glow);
  animation: pulse-glow 2s infinite;
  transition: transform 0.15s;
}

.btn-submit:hover { transform: scale(1.02); }
.btn-submit:disabled { opacity: 0.6; cursor: not-allowed; }

.form-note {
  text-align: center;
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-top: 1rem;
  padding-bottom: 0.25rem;
}

/* Reviews */
.reviews-grid {
  display: grid;
  gap: 1.25rem;
}

.review-card {
  background: oklch(97% 0.015 85 / 0.7);
  border: 1px solid oklch(65% 0.18 75 / 0.2);
  border-radius: 1rem;
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow-card);
}

.review-stars {
  color: var(--gold);
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.review-text {
  font-size: 0.875rem;
  color: oklch(20% 0.05 30 / 0.8);
  line-height: 1.625;
  margin-bottom: 1rem;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

.review-avatar {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 9999px;
  background: var(--gradient-gold);
  color: var(--primary-foreground);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.review-name { font-weight: 700; }
.review-city { font-size: 0.75rem; color: var(--muted-foreground); }

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 1rem; }

.faq-item {
  background: oklch(97% 0.015 85 / 0.7);
  border: 1px solid oklch(65% 0.18 75 / 0.2);
  border-radius: 0.75rem;
  padding: 1.5rem 1.25rem;
}

.faq-item summary {
  font-weight: 700;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  list-style: none;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-icon {
  color: var(--gold);
  font-size: 1.5rem;
  transition: transform 0.15s;
}

.faq-item[open] .faq-icon { transform: rotate(45deg); }

.faq-item p {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

/* CTA section */
.cta-section {
  padding: 4rem 1rem;
  text-align: center;
}

.cta-section h2 {
  font-size: 1.875rem;
  margin-bottom: 1rem;
}

.cta-section p {
  color: var(--muted-foreground);
  font-size: 1.125rem;
  margin-bottom: 2rem;
}

/* Footer */
footer {
  border-top: 1px solid oklch(85% 0.04 80 / 0.5);
  padding: 2.5rem 1rem;
  margin-top: 1rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

footer p + p { margin-top: 0.75rem; }

/* Toast */
.toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--foreground);
  color: var(--primary-foreground);
  padding: 1rem 1.5rem;
  border-radius: 0.75rem;
  box-shadow: var(--shadow-glow);
  z-index: 9999;
  opacity: 0;
  transition: all 0.3s;
  max-width: 90%;
  text-align: center;
}

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

.toast.success { background: oklch(45% 0.15 145); }
.toast.error { background: oklch(55% 0.2 25); }

/* Animations */
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 oklch(78% 0.2 60 / 0.6); }
  50% { box-shadow: 0 0 0 18px oklch(78% 0.2 60 / 0); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* Responsive */
@media (min-width: 640px) {
  .container, .container-sm, .container-md { padding: 0 1.5rem; }
  .badge-trust { font-size: 0.875rem; }
  .countdown { gap: 1rem; }
  .countdown-item { min-width: 96px; padding: 0.75rem 1rem; }
  .countdown-value { font-size: 3rem; }
  .countdown-label { font-size: 0.75rem; }
  .hero h1 { font-size: 3rem; }
  .hero-desc { font-size: 1.25rem; }
  .section-title { font-size: 2.25rem; }
  .order-form { padding: 2.5rem 2rem; }
  .order-section { padding-top: 5.5rem; padding-bottom: 5.5rem; }
  .features-grid { gap: 1.5rem; }
  .reviews-grid { gap: 1.5rem; }
  .gallery-grid { gap: 1.5rem; }
  .gallery-grid img { height: 16rem; }
  .cta-section h2 { font-size: 3rem; }
}

@media (min-width: 768px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .reviews-grid { grid-template-columns: repeat(3, 1fr); }
  .hero h1 { font-size: 3.75rem; }
}

@media (min-width: 1024px) {
  .features-grid { grid-template-columns: repeat(4, 1fr); }
}