/* ===================================================
   LEVOO — Design System & Styles
   =================================================== */

/* ---------- Design Tokens ---------- */
:root {
  --color-primary: #1565C0;
  --color-primary-hover: #1256A4;
  --color-secondary: #1E88E5;
  --color-accent: #FF6D00;
  --color-accent-hover: #E86200;
  --color-dark: #0C1B2E;
  --color-bg: #F5F7FA;
  --color-white: #ffffff;
  --color-text: #1E293B;
  --color-text-muted: #64748B;
  --color-border: #E2E8F0;

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-black: 900;

  --radius: 12px;
  --radius-sm: 8px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow: 0 2px 16px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);

  --header-height: 72px;
  --container-max: 1200px;
  --section-padding: 96px;

  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-family);
  font-weight: var(--font-weight-regular);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
  list-style: none;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
}

/* ---------- Accessibility ---------- */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: 4px;
}

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

/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  border: 2px solid transparent;
  text-align: center;
}

.btn-sm {
  padding: 8px 20px;
  font-size: 14px;
}

.btn-lg {
  padding: 14px 32px;
  font-size: 16px;
}

.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

.btn-accent:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(255, 109, 0, 0.3);
}

.btn-outline-white {
  background-color: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline-white:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--color-white);
}

/* ===================================================
   HEADER
   =================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  transition: background-color var(--transition), box-shadow var(--transition);
  background-color: transparent;
}

.site-header.scrolled {
  background-color: var(--color-white);
  box-shadow: var(--shadow);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 24px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-icon {
  position: relative;
  width: 36px;
  height: 36px;
  background-color: var(--color-primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-icon-letter {
  color: var(--color-white);
  font-weight: var(--font-weight-black);
  font-size: 20px;
  line-height: 1;
}

.logo-icon-dot {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 7px;
  height: 7px;
  background-color: var(--color-accent);
  border-radius: 50%;
}

.logo-text {
  font-weight: var(--font-weight-black);
  font-size: 22px;
  color: var(--color-primary);
  letter-spacing: -0.5px;
}

/* Nav */
.main-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 15px;
  font-weight: var(--font-weight-medium);
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition);
  border-radius: 1px;
}

.nav-link:hover::after {
  width: 100%;
}

.site-header.scrolled .nav-link {
  color: var(--color-text);
}

.nav-link:hover {
  color: var(--color-white);
}

.site-header.scrolled .nav-link:hover {
  color: var(--color-primary);
}

/* Header Right */
.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.header-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-accent);
  padding: 6px 12px;
  background: rgba(255, 109, 0, 0.1);
  border-radius: var(--radius-full);
}

.header-badge svg {
  flex-shrink: 0;
}

/* ===================================================
   PRODUCT DETAILS MODAL
   =================================================== */
.product-modal {
  position: fixed;
  inset: 0;
  z-index: 1100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.product-modal[hidden] {
  display: none;
}

.product-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(12, 27, 46, 0.55);
  opacity: 0;
  transition: opacity var(--transition);
}

.product-modal.open .product-modal-overlay {
  opacity: 1;
}

.product-modal-dialog {
  position: relative;
  width: 100%;
  max-width: 860px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  transform: translateY(20px) scale(0.97);
  opacity: 0;
  transition: transform var(--transition-slow), opacity var(--transition-slow);
}

.product-modal.open .product-modal-dialog {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.product-modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  color: var(--color-text);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  transition: background var(--transition), color var(--transition);
}

.product-modal-close:hover {
  background: var(--color-bg);
}

.product-modal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.product-modal-media {
  position: relative;
  background: #e8edf2;
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: var(--radius) 0 0 var(--radius);
}

.product-modal-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-modal-media .product-badge {
  top: 16px;
  left: 16px;
}

.product-modal-info {
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
}

.product-modal-cat {
  font-size: 12px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 8px;
}

.product-modal-name {
  font-size: 26px;
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: 12px;
}

.product-modal-price {
  font-size: 28px;
  font-weight: var(--font-weight-black);
  color: var(--color-primary);
  margin-bottom: 16px;
}

.product-modal-desc {
  font-size: 15px;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 20px;
}

.product-modal-benefits {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}

.product-modal-benefits li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--color-text);
}

.product-modal-benefits svg {
  flex-shrink: 0;
  color: var(--color-accent);
}

.product-modal-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: auto;
}

.product-modal-add {
  flex: 1;
  justify-content: center;
}

/* Make product cards feel clickable */
.catalog-item-img,
.product-image {
  cursor: pointer;
}

.catalog-item-info h3,
.product-name {
  cursor: pointer;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  padding: 4px;
}

.mobile-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-white);
  border-radius: 1px;
  transition: all var(--transition);
}

.site-header.scrolled .mobile-toggle span {
  background-color: var(--color-text);
}

.mobile-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===================================================
   HERO
   =================================================== */
.hero {
  position: relative;
  background-color: var(--color-dark);
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: calc(var(--header-height) + 40px) 0 80px;
}

.hero-bg-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.shape {
  position: absolute;
  opacity: 0.06;
}

.shape-circle {
  border-radius: 50%;
  border: 2px solid var(--color-secondary);
}

.shape-1 {
  width: 400px;
  height: 400px;
  top: -100px;
  right: -100px;
}

.shape-2 {
  width: 250px;
  height: 250px;
  bottom: -60px;
  left: -60px;
}

.shape-5 {
  width: 150px;
  height: 150px;
  top: 40%;
  right: 20%;
}

.shape-line {
  width: 200px;
  height: 1px;
  background: var(--color-secondary);
}

.shape-3 {
  top: 30%;
  left: 10%;
  transform: rotate(-25deg);
}

.shape-4 {
  bottom: 25%;
  right: 15%;
  transform: rotate(15deg);
}

.shape-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  opacity: 0.15;
}

.shape-6 {
  top: 20%;
  left: 35%;
}

.shape-7 {
  bottom: 35%;
  right: 30%;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-secondary);
  font-weight: var(--font-weight-regular);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.hero-badge {
  margin-top: 56px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  color: var(--color-white);
  font-size: 14px;
  font-weight: var(--font-weight-medium);
  backdrop-filter: blur(8px);
  animation: float 4s ease-in-out infinite;
}

.hero-badge svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

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

/* ===================================================
   TRUST BAR
   =================================================== */
.trust-bar {
  background-color: var(--color-white);
  padding: 32px 0;
  border-bottom: 1px solid var(--color-border);
}

.trust-items {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.trust-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(21, 101, 192, 0.08);
  border-radius: var(--radius);
  color: var(--color-primary);
}

.trust-item span {
  font-size: 14px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

/* ===================================================
   HOW IT WORKS
   =================================================== */
.how-it-works {
  padding: var(--section-padding) 0;
  background-color: var(--color-bg);
}

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  text-align: center;
  margin-bottom: 56px;
  letter-spacing: -0.5px;
}

.section-title-light {
  color: var(--color-white);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.step-card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
  position: relative;
}

.step-card:hover {
  border-color: var(--color-secondary);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(21, 101, 192, 0.08);
  color: var(--color-primary);
  font-size: 14px;
  font-weight: var(--font-weight-bold);
  margin-bottom: 16px;
}

.step-icon {
  color: var(--color-primary);
  margin-bottom: 16px;
}

.step-title {
  font-size: 16px;
  font-weight: var(--font-weight-bold);
  margin-bottom: 8px;
  color: var(--color-text);
}

.step-desc {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ===================================================
   CATALOG (Product Exploration)
   =================================================== */
.catalog {
  padding: var(--section-padding) 0 0;
  background-color: var(--color-bg);
}

/* Category navigation chips */
.catalog-bar {
  margin-bottom: 40px;
}

.catalog-bar-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.catalog-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-muted);
  white-space: nowrap;
  cursor: pointer;
  transition: color var(--transition), background var(--transition),
              border-color var(--transition), box-shadow var(--transition),
              transform var(--transition);
  border: 1px solid var(--color-border);
  background: var(--color-white);
  border-radius: var(--radius-full);
  font-family: inherit;
  box-shadow: var(--shadow-sm);
  /* Staggered entrance */
  opacity: 0;
  transform: translateY(10px);
  animation: chipIn 0.45s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes chipIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Stagger each chip slightly */
.catalog-tab:nth-child(1)  { animation-delay: 0.02s; }
.catalog-tab:nth-child(2)  { animation-delay: 0.06s; }
.catalog-tab:nth-child(3)  { animation-delay: 0.10s; }
.catalog-tab:nth-child(4)  { animation-delay: 0.14s; }
.catalog-tab:nth-child(5)  { animation-delay: 0.18s; }
.catalog-tab:nth-child(6)  { animation-delay: 0.22s; }
.catalog-tab:nth-child(7)  { animation-delay: 0.26s; }
.catalog-tab:nth-child(8)  { animation-delay: 0.30s; }
.catalog-tab:nth-child(9)  { animation-delay: 0.34s; }
.catalog-tab:nth-child(10) { animation-delay: 0.38s; }
.catalog-tab:nth-child(11) { animation-delay: 0.42s; }
.catalog-tab:nth-child(12) { animation-delay: 0.46s; }
.catalog-tab:nth-child(13) { animation-delay: 0.50s; }
.catalog-tab:nth-child(14) { animation-delay: 0.54s; }

.catalog-tab svg {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
  color: var(--color-primary);
  transition: color var(--transition), transform var(--transition);
}

.catalog-tab:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(21, 101, 192, 0.15);
}

.catalog-tab:hover svg {
  transform: scale(1.15) rotate(-4deg);
}

.catalog-tab:active {
  transform: translateY(0) scale(0.96);
}

.catalog-tab.active {
  color: var(--color-white);
  background: var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: 0 4px 14px rgba(21, 101, 192, 0.3);
}

.catalog-tab.active svg {
  color: var(--color-white);
}

/* Respect users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
  .catalog-tab {
    opacity: 1;
    transform: none;
    animation: none;
  }
}

/* Catalog header with count */
.catalog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.catalog-count {
  font-size: 14px;
  color: var(--color-text-muted);
}

.catalog-count strong {
  color: var(--color-text);
}

.catalog-state {
  text-align: center;
  padding: 48px 16px;
  color: var(--color-text-muted);
  font-size: 15px;
}

/* Catalog product grid */
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding-bottom: var(--section-padding);
}

.catalog-item {
  background: var(--color-white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition), opacity 0.35s ease, transform 0.35s ease;
}

.catalog-item:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.catalog-item.hidden {
  display: none;
}

.catalog-item.fade-in {
  animation: catalogFadeIn 0.35s ease forwards;
}

/* Scroll-in entrance (initial page load) */
.catalog-item.catalog-animate {
  opacity: 0;
  transform: translateY(24px);
  transition: none;
}

.catalog-item.catalog-animate.in-view {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

@media (prefers-reduced-motion: reduce) {
  .catalog-item.catalog-animate {
    opacity: 1;
    transform: none;
  }
}

@keyframes catalogFadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.catalog-item-img {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background: #e8edf2;
}

.catalog-item-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.catalog-item:hover .catalog-item-img img {
  transform: scale(1.05);
}

.catalog-item-img .product-badge {
  top: 12px;
  left: 12px;
}


.catalog-item-info {
  padding: 16px;
}

.catalog-item-cat {
  display: inline-block;
  font-size: 11px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 4px;
}


.catalog-item-info h3 {
  font-size: 15px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: 6px;
  line-height: 1.3;
}

.catalog-item-price {
  font-size: 17px;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: 12px;
}

.catalog-item-price s {
  color: var(--color-text-muted);
  font-size: 13px;
  font-weight: var(--font-weight-regular);
  margin-right: 6px;
}

.catalog-add-btn {
  width: 100%;
}


/* ===================================================
   PRODUCTS
   =================================================== */
.products {
  padding: var(--section-padding) 0;
  background-color: var(--color-white);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.product-card {
  background: var(--color-bg);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  border: 1px solid var(--color-border);
}

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

.product-image {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background: #e8edf2;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 5px 12px;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 12px;
  font-weight: var(--font-weight-bold);
  border-radius: var(--radius-full);
  letter-spacing: 0.2px;
}

.product-cart-btn {
  position: absolute;
  bottom: 12px;
  right: 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 13px;
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius);
  opacity: 0;
  transform: translateY(8px);
  transition: all var(--transition);
}

.product-card:hover .product-cart-btn {
  opacity: 1;
  transform: translateY(0);
}

.product-cart-btn:hover {
  background: var(--color-primary-hover);
}

.product-info {
  padding: 16px;
}

.product-name {
  font-size: 15px;
  font-weight: var(--font-weight-semibold);
  margin-bottom: 4px;
  color: var(--color-text);
}

.product-price {
  font-size: 18px;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

/* ===================================================
   TESTIMONIALS
   =================================================== */
.testimonials {
  padding: var(--section-padding) 0;
  background-color: var(--color-dark);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 32px;
  backdrop-filter: blur(8px);
}

.testimonial-stars {
  display: flex;
  gap: 2px;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.testimonial-text {
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 24px;
  font-style: normal;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-bold);
  font-size: 16px;
  flex-shrink: 0;
}

.testimonial-author strong {
  display: block;
  color: var(--color-white);
  font-size: 14px;
  font-weight: var(--font-weight-semibold);
}

.testimonial-author span {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

/* ===================================================
   SELLER
   =================================================== */
.seller {
  padding: var(--section-padding) 0;
  background-color: var(--color-bg);
}

.seller-content {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 64px;
  align-items: center;
}

.seller-content .section-title {
  text-align: left;
  margin-bottom: 24px;
}

.seller-desc {
  font-size: 16px;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 32px;
}

.seller-benefits {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 40px;
}

.seller-benefits li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

.seller-benefits li svg {
  flex-shrink: 0;
}

.seller-integrations {
  text-align: center;
}

.integrations-label {
  font-size: 13px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 20px;
}

.integration-logos {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.integration-logo {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  transition: all var(--transition);
}

.integration-logo:hover {
  box-shadow: var(--shadow);
  border-color: var(--color-secondary);
}

.integration-brand {
  display: block;
  font-size: 22px;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  letter-spacing: -0.5px;
}

.integration-sub {
  font-size: 13px;
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
}

/* ===================================================
   CONTACT
   =================================================== */
.contact {
  padding: var(--section-padding) 0;
  background-color: var(--color-white);
}

.contact-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 16px;
  margin-top: -40px;
  margin-bottom: 48px;
}

.contact-form {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 14px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(21, 101, 192, 0.12);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-muted);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-form .btn {
  align-self: flex-start;
}

/* ===================================================
   FOOTER
   =================================================== */
.site-footer {
  background-color: var(--color-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .logo {
  margin-bottom: 12px;
}

.footer-slogan {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
}

.footer-links h4,
.footer-social h4 {
  font-size: 14px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-white);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--color-white);
}

.social-icons {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.7);
  transition: all var(--transition);
}

.social-link:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.footer-bottom {
  text-align: center;
  padding: 24px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition);
}

.footer-bottom a:hover {
  color: var(--color-white);
}

/* ===================================================
   REVEAL ANIMATIONS
   =================================================== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ===================================================
   RESPONSIVE
   =================================================== */

/* Tablet */
@media (max-width: 1024px) {
  :root {
    --section-padding: 72px;
  }

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .catalog-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .catalog-tab {
    padding: 9px 15px;
    font-size: 13px;
  }

  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .testimonials-grid .testimonial-card:last-child {
    grid-column: span 2;
  }

  .seller-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .seller-integrations {
    text-align: left;
  }

  .integration-logos {
    flex-direction: row;
  }

  .integration-logo {
    flex: 1;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .footer-brand {
    grid-column: span 2;
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --section-padding: 56px;
    --header-height: 64px;
  }

  .mobile-toggle {
    display: flex;
  }

  /* Product modal stacks vertically */
  .product-modal {
    padding: 0;
    align-items: flex-end;
  }

  .product-modal-dialog {
    max-width: 100%;
    max-height: 94vh;
    border-radius: var(--radius) var(--radius) 0 0;
  }

  .product-modal-grid {
    grid-template-columns: 1fr;
  }

  .product-modal-media {
    border-radius: var(--radius) var(--radius) 0 0;
    aspect-ratio: 16 / 10;
  }

  .product-modal-info {
    padding: 24px 20px;
  }

  .product-modal-name {
    font-size: 22px;
  }

  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    padding: 24px;
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition);
    z-index: 999;
  }

  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav-list {
    flex-direction: column;
    gap: 0;
  }

  .nav-link {
    display: block;
    padding: 14px 0;
    color: var(--color-text);
    font-size: 16px;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-link:hover {
    color: var(--color-primary);
  }

  .nav-link::after {
    display: none;
  }

  .header-badge {
    display: none;
  }

  .header-right .btn {
    display: none;
  }

  /* Hero */
  .hero {
    min-height: auto;
    padding: calc(var(--header-height) + 64px) 0 64px;
  }

  .hero-title {
    font-size: 2.25rem;
  }

  .hero-subtitle br {
    display: none;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
  }

  /* Trust */
  .trust-items {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  /* Steps */
  .steps-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  /* Catalog */
  .catalog-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .catalog-bar-inner {
    gap: 8px;
  }

  .catalog-tab {
    padding: 8px 13px;
    font-size: 12.5px;
    gap: 6px;
  }

  .catalog-tab svg {
    width: 15px;
    height: 15px;
  }

  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .product-cart-btn {
    opacity: 1;
    transform: translateY(0);
    padding: 8px 12px;
    font-size: 12px;
  }

  /* Testimonials */
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .testimonials-grid .testimonial-card:last-child {
    grid-column: span 1;
  }

  /* Contact */
  .form-row {
    grid-template-columns: 1fr;
  }

  .contact-form .btn {
    width: 100%;
  }

  /* Footer */
  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-brand {
    grid-column: span 1;
  }

  .integration-logos {
    flex-direction: column;
  }
}

/* Small mobile */
@media (max-width: 480px) {
  .catalog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .trust-items {
    grid-template-columns: 1fr 1fr;
  }

  .hero-badge {
    font-size: 13px;
    padding: 10px 18px;
  }
}

/* ===================================================
   ADMIN
   =================================================== */
.btn-outline-blue {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-border);
}
.btn-outline-blue:hover {
  background-color: var(--color-bg);
  border-color: var(--color-primary);
}

.admin-body {
  background: var(--color-bg);
}

.admin-brand {
  display: flex;
  align-items: center;
  gap: 8px;
}
.admin-brand .logo-icon {
  position: relative;
  width: 30px;
  height: 30px;
  background: var(--color-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}
.admin-brand .logo-icon-letter {
  color: var(--color-white);
  font-weight: var(--font-weight-black);
  font-size: 17px;
}
.admin-brand .logo-icon-dot {
  position: absolute;
  bottom: 6px;
  right: 6px;
  width: 5px;
  height: 5px;
  background: var(--color-accent);
  border-radius: 50%;
}
.admin-brand .logo-text {
  font-size: 20px;
  font-weight: var(--font-weight-black);
  color: var(--color-primary);
}
.admin-tag {
  font-size: 11px;
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-accent);
  background: rgba(255, 109, 0, 0.1);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

/* Login */
.admin-login {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.admin-login[hidden],
.admin-panel[hidden] {
  display: none !important;
}
.admin-login-card {
  width: 100%;
  max-width: 380px;
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 32px;
}
.admin-login-card .admin-brand {
  justify-content: center;
  margin-bottom: 20px;
}
.admin-login-title {
  font-size: 20px;
  font-weight: var(--font-weight-bold);
  text-align: center;
  margin-bottom: 20px;
  color: var(--color-text);
}

/* Panel */
.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: 14px 24px;
  position: sticky;
  top: 0;
  z-index: 10;
}
.admin-header-right {
  display: flex;
  align-items: center;
  gap: 14px;
}
.admin-link {
  font-size: 14px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
}
.admin-user {
  font-size: 13px;
  color: var(--color-text-muted);
}

.admin-main {
  max-width: 960px;
  margin: 0 auto;
  padding: 28px 24px 60px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.admin-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
}
.admin-card-title {
  font-size: 17px;
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: 18px;
}
.admin-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.admin-grid-2 select {
  width: 100%;
  padding: 12px 14px;
  font-size: 15px;
  color: var(--color-text);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}
.admin-form-actions {
  display: flex;
  gap: 12px;
  margin-top: 18px;
}
.admin-msg {
  margin-top: 12px;
  font-size: 14px;
  font-weight: var(--font-weight-semibold);
}

.admin-list-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  gap: 12px;
}
.admin-list-head .admin-card-title {
  margin-bottom: 0;
}
.admin-table-wrap {
  overflow-x: auto;
}
.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.admin-table th {
  text-align: left;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-muted);
  padding: 8px 10px;
  border-bottom: 1px solid var(--color-border);
}
.admin-table td {
  padding: 10px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}
.admin-thumb {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: #e8edf2;
}
.admin-row-actions {
  display: flex;
  gap: 6px;
  justify-content: flex-end;
}
.admin-icon-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  font-size: 15px;
  transition: background var(--transition);
}
.admin-icon-btn:hover {
  background: var(--color-border);
}
.admin-icon-btn.danger:hover {
  background: rgba(211, 47, 47, 0.12);
}
.admin-empty {
  text-align: center;
  color: var(--color-text-muted);
  padding: 24px;
}

@media (max-width: 640px) {
  .admin-grid-2 {
    grid-template-columns: 1fr;
  }
  .admin-header {
    padding: 12px 16px;
  }
  .admin-link {
    display: none;
  }
}

/* ===================================================
   MODO ESCURO (dark theme)
   =================================================== */
html[data-theme="dark"] {
  --color-primary: #3B8EEA;
  --color-primary-hover: #5BA0F0;
  --color-bg: #0F1722;
  --color-white: #1A2433;
  --color-text: #E6EDF5;
  --color-text-muted: #93A4B8;
  --color-border: #2A3849;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow: 0 2px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.55);
  --shadow-hover: 0 8px 24px rgba(0,0,0,0.5);
  color-scheme: dark;
}
/* Header já fica escuro quando "scrolled" usa --color-white (agora escuro) */
html[data-theme="dark"] .site-header.scrolled { border-bottom: 1px solid var(--color-border); }
/* Inputs e selects herdam tokens; reforça contraste de placeholders */
html[data-theme="dark"] input::placeholder,
html[data-theme="dark"] textarea::placeholder { color: #6B7A8D; }

/* Botão de alternar tema */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  color: #fff;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  margin-right: 10px;
  transition: background var(--transition), color var(--transition);
}
.theme-toggle:hover { background: rgba(255,255,255,0.22); }
.site-header.scrolled .theme-toggle {
  color: var(--color-primary);
  background: var(--color-bg);
  border-color: var(--color-border);
}
.theme-toggle svg { width: 19px; height: 19px; }
.theme-toggle .icon-moon { display: none; }
html[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
html[data-theme="dark"] .theme-toggle .icon-moon { display: block; }