/* ============================================================
   Main Stylesheet
   ----------------------------------------------------------
   Sections:
   1. CSS Reset / Base
   2. Typography
   3. Utilities
   4. Components / Buttons / Cards / Badges / Forms / Sections
   5. Header / Footer / Sidebar
   ============================================================ */

/* ==================== 1. CSS RESET ==================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-top-height) + var(--header-middle-height) + 16px);
}

body {
  font-family: var(--font-sans);
  font-size: var(--fs-16);
  line-height: var(--lh-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img,
picture,
video,
canvas,
svg:not([width]):not([height]) {
  display: block;
  max-width: 100%;
  height: auto;
}

img {
  vertical-align: middle;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary);
}

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

input,
textarea,
select {
  font: inherit;
  color: inherit;
  background: transparent;
  border: none;
  outline: none;
}

ul,
ol,
li {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--fw-bold);
  line-height: var(--lh-snug);
  color: var(--color-text);
}

h1 { font-size: var(--fs-36); }
h2 { font-size: var(--fs-28); }
h3 { font-size: var(--fs-20); }
h4 { font-size: var(--fs-18); }
h5 { font-size: var(--fs-16); }
h6 { font-size: var(--fs-14); }

p {
  margin-bottom: var(--space-4);
  line-height: var(--lh-relaxed);
  color: var(--color-text-2);
}

:last-child {
  margin-bottom: 0;
}

::selection {
  background-color: var(--color-primary);
  color: #fff;
}

/* ==================== 2. Typography ==================== */
.site-wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-main {
  flex: 1;
}

.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

/* ==================== 3. Utilities ==================== */
.text-center { text-align: center; }
.text-left   { text-align: left; }
.text-right  { text-align: right; }

.flex       { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }

.relative { position: relative; }
.overflow-hidden { overflow: hidden; }

.section {
  padding-block: var(--space-20);
}

.section-sm {
  padding-block: var(--space-12);
}

.section-lg {
  padding-block: var(--space-24);
}

/* ==================== 4. Components ==================== */

/* ---------- 4.1 Button ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 12px 24px;
  font-size: var(--fs-14);
  font-weight: var(--fw-semibold);
  line-height: 1;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
  white-space: nowrap;
  user-select: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
  background: var(--gradient-primary-hover);
  color: var(--color-text-inverse);
  transform: translateY(-2px);
  box-shadow: var(--shadow-primary-lg);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-ghost:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-whatsapp {
  background: var(--color-whatsapp);
  color: var(--color-text-inverse);
}

.btn-whatsapp:hover {
  background: #1DAE54;
  color: var(--color-text-inverse);
  transform: translateY(-2px);
}

.btn-block {
  display: flex;
  width: 100%;
}

.btn-sm {
  padding: 8px 16px;
  font-size: var(--fs-13);
}

.btn-lg {
  padding: 16px 32px;
  font-size: var(--fs-16);
}

/* ---------- 4.2 Badge ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: var(--fs-12);
  font-weight: var(--fw-semibold);
  line-height: 1;
}

.badge-success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.1);
  color: var(--color-warning);
}

.badge-danger {
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-danger);
}

.badge-info {
  background: rgba(11, 95, 255, 0.1);
  color: var(--color-info);
}

.badge-dark {
  background: rgba(10, 26, 47, 0.08);
  color: var(--color-dark);
}

.badge-hot {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 6px 12px;
  background: linear-gradient(135deg, #EF4444, #F59E0B);
  color: #fff;
  font-size: var(--fs-12);
  font-weight: var(--fw-bold);
  z-index: 2;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4);
}

.badge-new {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 6px 12px;
  background: linear-gradient(135deg, #10B981, #00C2FF);
  color: #fff;
  font-size: var(--fs-12);
  font-weight: var(--fw-bold);
  z-index: 2;
}

/* ---------- 4.3 Section title ---------- */
.section-title {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-title-text {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--fs-32);
  font-weight: var(--fw-bold);
  color: var(--color-dark);
  letter-spacing: -0.5px;
  position: relative;
}

.section-title-text::before,
.section-title-text::after {
  content: "";
  width: 36px;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.section-title-text::before { margin-right: var(--space-3); }
.section-title-text::after  { margin-left: var(--space-3); }

.section-title-sub {
  margin-top: var(--space-3);
  font-size: var(--fs-15);
  color: var(--color-text-3);
  letter-spacing: 0.5px;
}

/* Product card hover / lift effect */
.bar-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-18);
  font-weight: var(--fw-bold);
  color: var(--color-dark);
  padding-left: var(--space-3);
  border-left: 4px solid var(--color-primary);
  line-height: 1.4;
  margin-bottom: var(--space-4);
}

/* ---------- 4.4 Section title ---------- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.card:hover {
  border-color: rgba(11, 95, 255, 0.3);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}

.card-img {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--color-bg-2);
  overflow: hidden;
}

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

.card:hover .card-img img {
  transform: scale(1.06);
}

.card-body {
  padding: var(--space-5) var(--space-4);
}

/* ---------- 4.5 Breadcrumb ---------- */
.breadcrumb {
  background: var(--color-bg-2);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border);
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-14);
  color: var(--color-text-3);
}

.breadcrumb-list li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.breadcrumb-list a {
  color: var(--color-text-2);
  transition: color var(--transition-fast);
}

.breadcrumb-list a:hover {
  color: var(--color-primary);
}

.breadcrumb-list .sep {
  color: var(--color-text-light);
  user-select: none;
}

.breadcrumb-list .current {
  color: var(--color-text);
  font-weight: var(--fw-semibold);
}

/* ---------- 4.6 Pagination ---------- */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-12);
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 44px;
  padding: 0 var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text-2);
  font-size: var(--fs-14);
  font-weight: var(--fw-semibold);
  transition: all var(--transition-fast);
}

.pagination a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(11, 95, 255, 0.04);
}

.pagination .active{
  background: var(--gradient-primary);
  border-color: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-primary);
}

.pagination .active a {
  background: none;
  border: none;
  color: var(--color-text-inverse);
  box-shadow: none;
}


.pagination .gap {
  border: none;
  background: transparent;
}

.pagination .nav {
  padding: 0 var(--space-4);
}

/* ---------- 4.7 Form ---------- */
.form-row {
  margin-bottom: var(--space-5);
}

.form-row label {
  display: block;
  font-size: var(--fs-14);
  font-weight: var(--fw-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.form-row label .req {
  color: var(--color-danger);
  margin-right: 4px;
}

.input,
.textarea {
  display: block;
  width: 100%;
  padding: 12px 16px;
  font-size: var(--fs-15);
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.input:hover,
.textarea:hover {
  border-color: var(--color-border-2);
}

.input:focus,
.textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(11, 95, 255, 0.12);
}

.textarea {
  resize: vertical;
  min-height: 120px;
  font-family: inherit;
}

.input.has-error,
.textarea.has-error {
  border-color: var(--color-danger);
}

.form-help {
  margin-top: var(--space-2);
  font-size: var(--fs-13);
  color: var(--color-text-3);
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

/* ---------- 4.8 Tabs (placeholder) ---------- */
.info-bar {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 4px 12px;
  background: rgba(11, 95, 255, 0.08);
  color: var(--color-primary);
  border-radius: var(--radius-pill);
  font-size: var(--fs-13);
  font-weight: var(--fw-semibold);
}

.info-bar-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
}

/* ==================== 5. HEADER ==================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-fixed);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.site-header.is-fixed {
  box-shadow: var(--shadow-md);
}

/* ---------- Header top bar ---------- */
.header-top {
  background: var(--color-dark);
  color: var(--color-text-inverse);
  font-size: var(--fs-13);
}

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

.header-top-left,
.header-top-right {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.header-contact {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.header-contact-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255, 255, 255, 0.85);
  transition: color var(--transition-fast);
}

.header-contact-item:hover {
  color: var(--color-text-inverse);
}

.header-contact-item svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.header-social {
  display: flex;
  gap: var(--space-3);
}

.header-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-circle);
  background: rgba(255, 255, 255, 0.1);
  transition: all var(--transition-fast);
}

.header-social a:hover {
  background: var(--color-primary);
  transform: translateY(-2px);
}

.header-social svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

/* ---------- Header main bar ---------- */
.header-main {
  height: var(--header-middle-height);
  background: var(--color-surface);
}

.header-main-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-6);
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.site-logo img,
.site-logo svg,
.site-logo object {
  height: 44px;
  width: auto;
  display: block;
}

.site-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.site-logo-text strong {
  font-size: var(--fs-18);
  font-weight: var(--fw-bold);
  color: var(--color-dark);
}

.site-logo-text span {
  font-size: 11px;
  color: var(--color-text-3);
  letter-spacing: 2px;
}

/* Mobile nav */
.main-nav {
  flex: 1;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  justify-content: flex-end;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0 var(--space-3);
  height: var(--header-middle-height);
  font-size: var(--fs-15);
  font-weight: var(--fw-semibold);
  color: var(--color-text);
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 20px;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: all var(--transition-base);
  transform: translateX(-50%);
}

.nav-link:hover,
.nav-item.is-active > .nav-link {
  color: var(--color-primary);
}

.nav-item.is-active > .nav-link::after,
.nav-link:hover::after {
  width: calc(100% - var(--space-6));
}

.nav-link .arrow {
  display: inline-block;
  width: 0;
  height: 0;
  border: 4px solid transparent;
  border-top-color: currentColor;
  margin-top: 4px;
  transition: transform var(--transition-fast);
}

/* Sub-menu (dropdown) */
.sub-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--transition-base);
  z-index: var(--z-dropdown);
}

.nav-item:hover > .sub-menu,
.nav-item:focus-within > .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.sub-item {
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.sub-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 10px var(--space-4);
  font-size: var(--fs-14);
  color: var(--color-text-2);
  transition: all var(--transition-fast);
}

.sub-link::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: var(--radius-circle);
  background: var(--color-text-light);
  transition: all var(--transition-fast);
}

.sub-link:hover {
  background: rgba(11, 95, 255, 0.06);
  color: var(--color-primary);
  padding-left: var(--space-5);
}

.sub-link:hover::before {
  background: var(--color-primary);
}

/* Header search */
.header-search {
  display: flex;
  align-items: center;
}

.search-form {
  display: flex;
  align-items: center;
  background: var(--color-bg-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  overflow: hidden;
  transition: all var(--transition-fast);
  width: 280px;
}

.search-form:focus-within {
  border-color: var(--color-primary);
  background: var(--color-surface);
  box-shadow: 0 0 0 3px rgba(11, 95, 255, 0.12);
}

.search-input {
  flex: 1;
  padding: 8px 16px;
  font-size: var(--fs-14);
  background: transparent;
}

.search-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 36px;
  color: var(--color-text-3);
  transition: color var(--transition-fast);
}

.search-btn:hover {
  color: var(--color-primary);
}

.search-btn svg {
  width: 16px;
  height: 16px;
}

/* Hamburger button � visible by default so we can debug; desktop media query hides it */
.menu-toggle {
  display: inline-flex;
  visibility: visible;
  opacity: 1;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
  margin-left: var(--space-3);
  position: relative;
  z-index: calc(var(--z-fixed) + 2);
}

/* Hide hamburger on desktop -- the horizontal nav is shown instead */
@media (min-width: 992px) {
  .menu-toggle {
    display: none;
  }
}

.menu-toggle span,
.menu-toggle span::before,
.menu-toggle span::after {
  display: block;
  width: 22px;
  height: 2px;
  background:var(--color-primary);
  position: relative;
  transition: all var(--transition-base);
}

.menu-toggle span::before {
  content: "";
  position: absolute;
  top: -7px;
}

.menu-toggle span::after {
  content: "";
  position: absolute;
  top: 7px;
}

/* ---------- Mobile nav backdrop overlay ----------
   Sits BELOW the .site-header (z-index: var(--z-fixed)) so the drawer,
   which is a child of .site-header, is never covered by the overlay. */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 26, 47, 0.5);
  z-index: calc(var(--z-fixed) - 1);   /* 499 — below header(500) */
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.nav-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

/* ---------- Open-state for mobile drawer ---------- */
.main-nav.is-open {
  transform: translateX(0);
}

.menu-toggle.is-open span {
  background: transparent;
}

.menu-toggle.is-open span::before {
  top: 0;
  transform: rotate(45deg);
}

.menu-toggle.is-open span::after {
  top: 0;
  transform: rotate(-45deg);
}

/* ==================== 6. FOOTER ==================== */
.site-footer {
  background: var(--color-dark);
  color: rgba(255, 255, 255, 0.85);
  margin-top: var(--space-20);
}

.footer-main {
  padding: var(--space-16) 0 var(--space-12);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: var(--space-12);
}

.footer-col h4 {
  font-size: var(--fs-16);
  font-weight: var(--fw-bold);
  color: var(--color-text-inverse);
  margin-bottom: var(--space-5);
  position: relative;
  padding-bottom: var(--space-3);
}

.footer-col h4::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.footer-brand .brand-text {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.footer-brand .brand-text svg {
  height: 36px;
}

.footer-brand .brand-text strong {
  font-size: var(--fs-18);
  font-weight: var(--fw-bold);
  color: var(--color-text-inverse);
}

.footer-about {
  font-size: var(--fs-14);
  line-height: var(--lh-relaxed);
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--space-5);
}

.footer-contact-item {
  display: flex;
  gap: var(--space-3);
  font-size: var(--fs-14);
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: var(--space-3);
}

.footer-contact-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-contact-item a:hover {
  color: var(--color-accent);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links a {
  font-size: var(--fs-14);
  color: rgba(255, 255, 255, 0.75);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-links a::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: var(--radius-circle);
  background: rgba(255, 255, 255, 0.4);
  transition: background var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-accent);
  padding-left: var(--space-2);
}

.footer-links a:hover::before {
  background: var(--color-accent);
}

.footer-news-item {
  padding-bottom: var(--space-4);
  margin-bottom: var(--space-4);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-news-item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.footer-news-item h5 {
  font-size: var(--fs-14);
  font-weight: var(--fw-medium);
  color: rgba(255, 255, 255, 0.85);
  line-height: var(--lh-snug);
  margin-bottom: var(--space-2);
}

.footer-news-item .date {
  font-size: var(--fs-12);
  color: var(--color-text-light);
}

.footer-news-item h5:hover {
  color: var(--color-accent);
  cursor: pointer;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: var(--space-5) 0;
  font-size: var(--fs-13);
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.footer-social {
  display: flex;
  gap: var(--space-2);
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-circle);
  background: rgba(255, 255, 255, 0.06);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--color-primary);
  transform: translateY(-2px);
}

.footer-social svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

/* ==================== 7. WHATSAPP CONTACT (Header / Inline) ==================== */
.whatsapp-float {
  position: fixed;
  right: 24px;
  bottom: 100px;
  z-index: var(--z-fixed);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.whatsapp-float-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-circle);
  background: var(--color-whatsapp);
  color: #fff;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  transition: all var(--transition-base);
  animation: whatsapp-pulse 2.4s ease-out infinite;
}

.whatsapp-float-btn:hover {
  transform: scale(1.08);
  color: #fff;
}

.whatsapp-float-btn svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
}

@keyframes whatsapp-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5); }
  70%  { box-shadow: 0 0 0 16px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ==================== 8. Back to Top ==================== */
.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 32px;
  width: 44px;
  height: 44px;
  background: var(--gradient-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius-circle);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-primary);
  z-index: var(--z-fixed);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px);
}

.back-to-top svg {
  width: 18px;
  height: 18px;
}

/* ==================== 9. SIDEBAR ==================== */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  align-self: start;
}

@media (max-width: 1024px) {
  .sidebar,
  .sidebar-sticky {
    position: static !important;
  }
}

.sidebar-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.sidebar-block-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  font-size: var(--fs-16);
  font-weight: var(--fw-bold);
  color: var(--color-dark);
  background: var(--gradient-card);
  border-bottom: 1px solid var(--color-border);
}

.sidebar-block-title-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius-sm);
}

.sidebar-block-body {
  padding: var(--space-4) var(--space-3);
}

.sidebar-nav-list {
  display: flex;
  flex-direction: column;
}

.sidebar-nav-item {
  border-bottom: 1px dashed var(--color-border);
}

.sidebar-nav-item:last-child {
  border-bottom: none;
}

.sidebar-nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 12px var(--space-4);
  font-size: var(--fs-14);
  font-weight: var(--fw-medium);
  color: var(--color-text-2);
  transition: all var(--transition-fast);
  border-radius: var(--radius-md);
  margin: 2px 0;
}

.sidebar-nav-link::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: var(--radius-circle);
  background: var(--color-text-light);
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.sidebar-nav-link:hover,
.sidebar-nav-item.is-active .sidebar-nav-link {
  background: rgba(11, 95, 255, 0.06);
  color: var(--color-primary);
  padding-left: var(--space-5);
}

.sidebar-nav-link:hover::before,
.sidebar-nav-item.is-active .sidebar-nav-link::before {
  background: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(11, 95, 255, 0.15);
}

.sidebar-nav-count {
  margin-left: auto;
  font-size: var(--fs-12);
  color: var(--color-text-light);
}

/* Site footer */
.sidebar-product-item {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px dashed var(--color-border);
}

.sidebar-product-item:last-child {
  border-bottom: none;
}

.sidebar-product-img {
  width: 80px;
  height: 80px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-bg-2);
  border: 1px solid var(--color-border);
}

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

.sidebar-product-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-width: 0;
}

.sidebar-product-name {
  font-size: var(--fs-13);
  font-weight: var(--fw-semibold);
  color: var(--color-text);
  line-height: var(--lh-snug);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color var(--transition-fast);
}

.sidebar-product-name:hover {
  color: var(--color-primary);
}

.sidebar-product-link {
  font-size: var(--fs-12);
  color: var(--color-primary);
  font-weight: var(--fw-semibold);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.sidebar-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  font-size: var(--fs-14);
  color: var(--color-text-2);
}

.sidebar-contact-item .icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-circle);
  background: rgba(11, 95, 255, 0.08);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sidebar-contact-item .icon svg {
  width: 16px;
  height: 16px;
}

.sidebar-contact-item .label {
  display: block;
  font-size: var(--fs-12);
  color: var(--color-text-3);
  margin-bottom: 2px;
}

.sidebar-contact-item .value {
  font-size: var(--fs-14);
  font-weight: var(--fw-semibold);
  color: var(--color-text);
}

.sidebar-contact-item .value:hover {
  color: var(--color-primary);
}

/* ==================== 10. Sidebar ==================== */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-up[data-delay="1"] { transition-delay: 80ms; }
.fade-up[data-delay="2"] { transition-delay: 160ms; }
.fade-up[data-delay="3"] { transition-delay: 240ms; }
.fade-up[data-delay="4"] { transition-delay: 320ms; }
.fade-up[data-delay="5"] { transition-delay: 400ms; }
.fade-up[data-delay="6"] { transition-delay: 480ms; }
.fade-up[data-delay="7"] { transition-delay: 560ms; }
.fade-up[data-delay="8"] { transition-delay: 640ms; }

/* ==================== 11. Product Card ==================== */

.products-grid,
.product-list-grid,
.related-grid,
.news-related {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}

.product-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(11, 95, 255, 0.3);
}

.product-card-img {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--color-bg-2);
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}

.product-card-img > img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: var(--space-5);
  transition: transform var(--transition-base);
}

.product-card:hover .product-card-img > img {
  transform: scale(1.06);
}

.product-card-actions {
  position: absolute;
  inset: auto 0 0 0;
  padding: var(--space-3);
  display: flex;
  gap: var(--space-2);
  background: linear-gradient(to top, rgba(10, 26, 47, 0.85) 0%, rgba(10, 26, 47, 0) 100%);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--transition-base), transform var(--transition-base);
}

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

.product-card-action-btn {
  flex: 1;
  text-align: center;
  padding: 8px 12px;
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--fs-13);
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.product-card-action-btn:hover {
  background: var(--color-primary);
  color: #fff;
}

.product-card-action-btn:nth-child(2) {
  background: var(--gradient-primary);
  color: #fff;
}

.product-card-action-btn:nth-child(2):hover {
  filter: brightness(1.1);
  color: #fff;
}

.product-card-body {
  padding: var(--space-4) var(--space-5);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-card-cat {
  font-size: var(--fs-12);
  font-weight: var(--fw-semibold);
  color: var(--color-primary);
  letter-spacing: 0.4px;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.product-card-title {
  font-size: var(--fs-15);
  font-weight: var(--fw-semibold);
  color: var(--color-text);
  line-height: var(--lh-snug);
  margin: 0 0 var(--space-3);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.product-card-title a {
  color: inherit;
  transition: color var(--transition-fast);
}

.product-card-title a:hover {
  color: var(--color-primary);
}

.product-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px dashed var(--color-border);
}

.product-card-sku {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--color-text-3);
  background: var(--color-bg-2);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 60%;
}

.product-card-detail {
  font-size: var(--fs-13);
  font-weight: var(--fw-semibold);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
  transition: gap var(--transition-fast);
}

.product-card-detail:hover {
  gap: 8px;
}