/* ============================================================
   Seranova Materials - Traditional B2B Industrial CSS
   ============================================================ */

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

body {
  font-family: 'Segoe UI', -apple-system, sans-serif;
  color: #2c3e50;
  line-height: 1.6;
  background: #fff;
}

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

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

/* ============================================================
   2. UTILITY / LAYOUT
   ============================================================ */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  background: #2980b9;
  color: #fff;
  padding: 8px 16px;
  z-index: 10000;
  transition: top 0.2s;
}

.skip-link:focus {
  top: 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================================
   3. BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 600;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn--primary,
.btn--accent {
  background: #2980b9;
  color: #fff;
}

.btn--primary:hover,
.btn--accent:hover {
  background: #2471a3;
}

.btn--outline {
  background: transparent;
  border: 1.5px solid #2980b9;
  color: #2980b9;
}

.btn--outline:hover {
  background: #2980b9;
  color: #fff;
}

.btn--sm {
  padding: 6px 16px;
  font-size: 13px;
}

.btn--lg {
  padding: 14px 32px;
  font-size: 15px;
}

.btn--full {
  width: 100%;
}

.btn--hdr {
  padding: 8px 20px;
  font-size: 13px;
}

/* ============================================================
   4. UTILITY BAR
   ============================================================ */
.util-bar {
  background: #f5f7f9;
  border-bottom: 1px solid #dde2e8;
  font-size: 12px;
  color: #5a6c7d;
}

.util-bar__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 36px;
}

.util-bar__left {
  display: flex;
  gap: 20px;
}

.util-bar__link {
  display: flex;
  align-items: center;
  gap: 6px;
}

.util-bar__link:hover {
  color: #2980b9;
}

.util-bar__link--desktop {
  display: flex;
}

.util-bar__right {
  display: flex;
  align-items: center;
}

/* ============================================================
   5. LANGUAGE DROPDOWN
   ============================================================ */
.lang-dd {
  position: relative;
}

.lang-dd__btn {
  display: flex;
  align-items: center;
  gap: 5px;
  background: none;
  border: none;
  font-size: 12px;
  color: #5a6c7d;
  cursor: pointer;
}

.lang-dd__list {
  position: absolute;
  top: 100%;
  right: 0;
  background: #fff;
  border: 1px solid #dde2e8;
  border-radius: 4px;
  min-width: 120px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  display: none;
  z-index: 100;
}

.lang-dd__list.is-open {
  display: block;
}

.lang-dd__opt {
  padding: 8px 16px;
  font-size: 13px;
  cursor: pointer;
}

.lang-dd__opt:hover {
  background: #f5f7f9;
}

.lang-dd__opt a {
  display: block;
}

.lang-dd__opt--active {
  color: #2980b9;
  font-weight: 600;
}

/* ============================================================
   6. HEADER
   ============================================================ */
.hdr {
  background: #1b3a5c;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.hdr__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.hdr__logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.hdr__logo-txt {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.hdr__logo-name {
  color: #fff;
  font-size: 18px;
  font-weight: 700;
}

.hdr__logo-sub {
  color: #7fb3d8;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 1px;
  text-transform: uppercase;
}

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

/* ============================================================
   7. MAIN NAVIGATION
   ============================================================ */
.main-nav__list {
  display: flex;
  list-style: none;
  gap: 0;
}

.main-nav__item {
  position: relative;
}

.main-nav__link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 20px 16px;
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  background: none;
  border: none;
  cursor: pointer;
  transition: background 0.2s;
}

.main-nav__link:hover,
.main-nav__link--active {
  background: rgba(255, 255, 255, 0.1);
}

/* ============================================================
   8. MEGA MENU
   ============================================================ */
.mega {
  position: absolute;
  top: 100%;
  left: 0;
  background: #fff;
  border: 1px solid #dde2e8;
  border-radius: 0 0 6px 6px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  padding: 24px;
  display: none;
  min-width: 700px;
  z-index: 100;
}

.mega.is-open {
  display: block;
}

.mega__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
}

.mega__heading {
  font-size: 13px;
  font-weight: 700;
  color: #1b3a5c;
  text-transform: uppercase;
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 2px solid #2980b9;
}

.mega__links {
  list-style: none;
}

.mega__links li {
  margin-bottom: 6px;
}

.mega__links a {
  font-size: 13px;
  color: #5a6c7d;
  transition: color 0.2s;
}

.mega__links a:hover {
  color: #2980b9;
}

/* ============================================================
   9. MOBILE NAVIGATION
   ============================================================ */
.mob-nav {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  background: #fff;
  z-index: 999;
  overflow-y: auto;
}

.mob-nav.is-open {
  display: block;
}

.mob-nav__scroll {
  padding: 16px;
}

.mob-nav__list {
  list-style: none;
}

.mob-nav__list li {
  border-bottom: 1px solid #eee;
}

.mob-nav__list a,
.mob-nav__acc-btn {
  display: block;
  padding: 14px 0;
  color: #2c3e50;
  font-size: 15px;
  font-weight: 500;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
}

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

.mob-nav__acc-panel {
  display: none;
  padding: 0 0 12px 16px;
}

.mob-nav__acc-panel.is-open {
  display: block;
}

.mob-nav__grp {
  margin-bottom: 8px;
}

.mob-nav__grp h4 {
  font-size: 12px;
  text-transform: uppercase;
  color: #2980b9;
  margin-bottom: 4px;
}

.mob-nav__grp a {
  display: block;
  padding: 6px 0;
  font-size: 13px;
  color: #5a6c7d;
}

.mob-nav__cta {
  padding: 16px 0;
}

/* ============================================================
   10. BURGER BUTTON
   ============================================================ */
.hdr__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hdr__burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  transition: all 0.3s;
}

/* ============================================================
   11. HERO SLIDER
   ============================================================ */
.hero {
  position: relative;
  overflow: hidden;
  height: 520px;
}

.hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s;
}

.hero__slide--active {
  opacity: 1;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.hero__ov {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(27, 58, 92, 0.85), rgba(27, 58, 92, 0.6));
}

.hero__content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
  color: #fff;
  max-width: 640px;
}

.hero__title {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.2;
}

.hero__desc {
  font-size: 16px;
  margin-bottom: 24px;
  line-height: 1.6;
  opacity: 0.9;
}

.hero__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero__pill {
  padding: 8px 20px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 4px;
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  transition: background 0.2s;
}

.hero__pill:hover {
  background: rgba(255, 255, 255, 0.25);
}

.hero__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  width: 44px;
  height: 44px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 3;
  transition: background 0.2s;
}

.hero__arrow:hover {
  background: rgba(255, 255, 255, 0.3);
}

.hero__arrow--prev {
  left: 20px;
}

.hero__arrow--next {
  right: 20px;
}

.hero__dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 3;
}

.hero__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  border: none;
  cursor: pointer;
  transition: background 0.2s;
}

.hero__dot--active {
  background: #fff;
}

/* ============================================================
   12. SECTIONS
   ============================================================ */
.sec {
  padding: 64px 0;
}

.sec--gray {
  background: #f5f7f9;
}

.sec--dark {
  background: #1b3a5c;
  color: #fff;
}

.sec__title {
  font-size: 28px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 8px;
  color: #1b3a5c;
}

.sec--dark .sec__title {
  color: #fff;
}

.sec__desc {
  text-align: center;
  color: #5a6c7d;
  margin-bottom: 40px;
  font-size: 15px;
}

.sec--dark .sec__desc {
  color: rgba(255, 255, 255, 0.7);
}

/* ============================================================
   13. PRODUCT GROUPS GRID (HOME)
   ============================================================ */
.pgrp-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.pgrp {
  display: block;
  background: #fff;
  border: 1px solid #dde2e8;
  border-radius: 6px;
  overflow: hidden;
  transition: box-shadow 0.3s, transform 0.3s;
}

.pgrp:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.pgrp__img {
  height: 200px;
  overflow: hidden;
}

.pgrp__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.pgrp:hover .pgrp__img img {
  transform: scale(1.05);
}

.pgrp__body {
  padding: 20px;
}

.pgrp__title {
  font-size: 17px;
  font-weight: 700;
  color: #1b3a5c;
  margin-bottom: 6px;
}

.pgrp__text {
  font-size: 13px;
  color: #5a6c7d;
  margin-bottom: 10px;
}

.pgrp__link {
  font-size: 13px;
  color: #2980b9;
  font-weight: 600;
}

/* ============================================================
   14. FEATURED PRODUCTS GRID
   ============================================================ */
.feat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feat-card {
  background: #fff;
  border: 1px solid #dde2e8;
  border-radius: 6px;
  overflow: hidden;
  transition: box-shadow 0.3s;
}

.feat-card:hover {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
}

.feat-card__img {
  position: relative;
  height: 180px;
  overflow: hidden;
}

.feat-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feat-card__cat {
  position: absolute;
  top: 10px;
  left: 10px;
  background: #2980b9;
  color: #fff;
  padding: 3px 10px;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}

.feat-card__body {
  padding: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.feat-card__name {
  font-size: 14px;
  font-weight: 600;
  color: #1b3a5c;
}

/* ============================================================
   15. CORPORATE SPLIT
   ============================================================ */
.corp-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.corp-split__img img {
  border-radius: 6px;
  width: 100%;
}

.corp-split__title {
  font-size: 26px;
  font-weight: 700;
  color: #1b3a5c;
  margin-bottom: 16px;
}

.corp-split__body p {
  margin-bottom: 12px;
  color: #5a6c7d;
  font-size: 15px;
}

.chk-list {
  list-style: none;
  margin: 16px 0 24px;
}

.chk-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 14px;
  color: #2c3e50;
}

.chk-list svg {
  color: #27ae60;
  flex-shrink: 0;
}

/* ============================================================
   16. ADVANTAGES
   ============================================================ */
.adv-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.adv-item {
  padding: 24px;
}

.adv-item__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #5b9bd5;
}

.adv-item__title {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 8px;
}

.adv-item__text {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
}

/* ============================================================
   17. CONTACT GRID (HOME)
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.cinfo-item {
  display: flex;
  gap: 14px;
}

.cinfo-item__icon {
  width: 44px;
  height: 44px;
  background: #f0f6fc;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #2980b9;
  flex-shrink: 0;
}

.cinfo-item h4 {
  font-size: 14px;
  font-weight: 700;
  color: #1b3a5c;
  margin-bottom: 2px;
}

.cinfo-item p {
  font-size: 13px;
  color: #5a6c7d;
  line-height: 1.5;
}

/* ============================================================
   18. CONTACT FORM (HOME)
   ============================================================ */
.cform-wrap {
  background: #f5f7f9;
  padding: 32px;
  border-radius: 6px;
  border: 1px solid #dde2e8;
}

.cform__title {
  font-size: 18px;
  font-weight: 700;
  color: #1b3a5c;
  margin-bottom: 20px;
}

.cform__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.cform__field {
  margin-bottom: 16px;
}

.cform__field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #2c3e50;
  margin-bottom: 4px;
}

.cform__field input,
.cform__field select,
.cform__field textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #dde2e8;
  border-radius: 4px;
  font-size: 14px;
  color: #2c3e50;
  background: #fff;
  transition: border-color 0.2s;
  font-family: inherit;
}

.cform__field input:focus,
.cform__field select:focus,
.cform__field textarea:focus {
  outline: none;
  border-color: #2980b9;
  box-shadow: 0 0 0 3px rgba(41, 128, 185, 0.1);
}

.cform__field textarea {
  resize: vertical;
}

.cform__err {
  font-size: 12px;
  color: #e74c3c;
  margin-top: 4px;
  display: block;
}

.cform__alert {
  margin-top: 12px;
  padding: 12px;
  border-radius: 4px;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.cform__alert--ok {
  background: #eafaf1;
  color: #27ae60;
  border: 1px solid #a9dfbf;
}

/* ============================================================
   19. FOOTER
   ============================================================ */
.ftr {
  background: #1a1a2e;
  color: rgba(255, 255, 255, 0.7);
  padding: 48px 0 0;
}

.ftr__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.ftr__slogan {
  font-size: 13px;
  margin-top: 12px;
  line-height: 1.6;
}

.ftr__socials {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.ftr__social {
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.7);
  transition: background 0.2s;
}

.ftr__social:hover {
  background: #2980b9;
  color: #fff;
}

.ftr__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ftr__links a {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.2s;
}

.ftr__links a:hover {
  color: #fff;
}

.ftr__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  font-size: 12px;
}

.ftr__langs {
  display: flex;
  gap: 16px;
}

.ftr__langs a {
  color: rgba(255, 255, 255, 0.5);
}

.ftr__langs a:hover,
.ftr__langs a[aria-current="true"] {
  color: #fff;
}

/* ============================================================
   20. BACK TO TOP
   ============================================================ */
.btt {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  background: #2980b9;
  color: #fff;
  border: none;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
  z-index: 100;
}

.btt.is-visible {
  opacity: 1;
  visibility: visible;
}

.btt:hover {
  background: #2471a3;
}

/* ============================================================
   21. PAGE HERO (INTERIOR PAGES)
   ============================================================ */
.page-hero {
  position: relative;
  height: 280px;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.page-hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.page-hero__ov {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(27, 58, 92, 0.88), rgba(27, 58, 92, 0.7));
}

.page-hero__content {
  position: relative;
  z-index: 2;
  color: #fff;
}

.page-hero__breadcrumb {
  font-size: 13px;
  margin-bottom: 8px;
  opacity: 0.8;
}

.page-hero__breadcrumb a:hover {
  text-decoration: underline;
}

.page-hero__title {
  font-size: 32px;
  font-weight: 700;
}

/* ============================================================
   22. CORPORATE PAGE
   ============================================================ */
.corp-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.corp-intro__img img {
  border-radius: 6px;
}

.corp-intro__body h2 {
  font-size: 26px;
  font-weight: 700;
  color: #1b3a5c;
  margin-bottom: 16px;
}

.corp-intro__body p {
  color: #5a6c7d;
  font-size: 15px;
  margin-bottom: 12px;
}

/* Timeline */
.timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: #dde2e8;
  transform: translateX(-50%);
}

.timeline__item {
  display: flex;
  margin-bottom: 32px;
  position: relative;
}

.timeline__item:nth-child(odd) {
  justify-content: flex-start;
  padding-right: calc(50% + 24px);
  text-align: right;
}

.timeline__item:nth-child(even) {
  justify-content: flex-end;
  padding-left: calc(50% + 24px);
}

.timeline__year {
  font-size: 20px;
  font-weight: 700;
  color: #2980b9;
  margin-bottom: 4px;
}

.timeline__text {
  font-size: 14px;
  color: #5a6c7d;
}

/* Mission Grid */
.mission-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.mission-card {
  padding: 32px;
  background: #fff;
  border: 1px solid #dde2e8;
  border-radius: 6px;
}

.mission-card__title {
  font-size: 20px;
  font-weight: 700;
  color: #1b3a5c;
  margin-bottom: 12px;
}

.mission-card__text {
  font-size: 14px;
  color: #5a6c7d;
  line-height: 1.7;
}

/* Supply Map */
.supply-map {
  background: #f5f7f9;
  border: 1px solid #dde2e8;
  border-radius: 6px;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #5a6c7d;
  font-size: 14px;
}

/* Quality Grid */
.quality-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.quality-card {
  text-align: center;
  padding: 24px;
  background: #fff;
  border: 1px solid #dde2e8;
  border-radius: 6px;
}

.quality-card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 12px;
  background: #f0f6fc;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #2980b9;
}

.quality-card__title {
  font-size: 15px;
  font-weight: 700;
  color: #1b3a5c;
  margin-bottom: 6px;
}

.quality-card__text {
  font-size: 13px;
  color: #5a6c7d;
}

/* ============================================================
   23. CTA BAR
   ============================================================ */
.cta-bar {
  background: #f0f6fc;
  border: 1px solid #dde2e8;
  border-radius: 6px;
  padding: 40px;
  text-align: center;
  margin-top: 48px;
}

.cta-bar h3 {
  font-size: 22px;
  font-weight: 700;
  color: #1b3a5c;
  margin-bottom: 8px;
}

.cta-bar p {
  color: #5a6c7d;
  margin-bottom: 20px;
  font-size: 15px;
}

/* ============================================================
   24. PRODUCTS PAGE
   ============================================================ */
.prod-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 32px;
}

.prod-sidebar {
  position: sticky;
  top: 80px;
  align-self: start;
}

.prod-sidebar__search {
  margin-bottom: 24px;
}

.prod-sidebar__search input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #dde2e8;
  border-radius: 4px;
  font-size: 14px;
}

.prod-sidebar__search input:focus {
  outline: none;
  border-color: #2980b9;
}

.prod-sidebar__cat {
  list-style: none;
  margin-bottom: 24px;
}

.prod-sidebar__cat-btn {
  display: block;
  width: 100%;
  padding: 10px 16px;
  text-align: left;
  background: #fff;
  border: 1px solid #dde2e8;
  border-radius: 4px;
  font-size: 14px;
  color: #2c3e50;
  cursor: pointer;
  margin-bottom: 6px;
  transition: all 0.2s;
}

.prod-sidebar__cat-btn:hover,
.prod-sidebar__cat-btn--active {
  background: #2980b9;
  color: #fff;
  border-color: #2980b9;
}

.prod-sidebar__cta {
  padding: 20px;
  background: #f0f6fc;
  border-radius: 6px;
  text-align: center;
}

.prod-sidebar__cta p {
  font-size: 13px;
  color: #5a6c7d;
  margin-bottom: 12px;
}

/* Product Section */
.prod-sec {
  margin-bottom: 48px;
}

.prod-sec__title {
  font-size: 22px;
  font-weight: 700;
  color: #1b3a5c;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid #2980b9;
}

.prod-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.prod-card {
  background: #fff;
  border: 1px solid #dde2e8;
  border-radius: 6px;
  overflow: hidden;
  transition: box-shadow 0.3s;
}

.prod-card:hover {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
}

.prod-card__img {
  height: 160px;
  overflow: hidden;
  position: relative;
}

.prod-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.prod-card__badge {
  position: absolute;
  top: 8px;
  right: 8px;
  background: #2980b9;
  color: #fff;
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 600;
}

.prod-card__body {
  padding: 16px;
}

.prod-card__name {
  font-size: 15px;
  font-weight: 700;
  color: #1b3e5c;
  margin-bottom: 6px;
}

.prod-card__specs {
  font-size: 12px;
  color: #5a6c7d;
  margin-bottom: 12px;
  line-height: 1.5;
}

.prod-card__btn {
  width: 100%;
}

/* ============================================================
   25. CONTACT PAGE
   ============================================================ */
.contact-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.contact-card {
  text-align: center;
  padding: 24px 16px;
  background: #fff;
  border: 1px solid #dde2e8;
  border-radius: 6px;
}

.contact-card__icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 12px;
  background: #f0f6fc;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #2980b9;
}

.contact-card__title {
  font-size: 14px;
  font-weight: 700;
  color: #1b3a5c;
  margin-bottom: 4px;
}

.contact-card__text {
  font-size: 13px;
  color: #5a6c7d;
}

/* Contact Form (Page) */
.contact-form-wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px;
  background: #f5f7f9;
  border: 1px solid #dde2e8;
  border-radius: 6px;
}

.contact-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* Departments */
.departments {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.dept-card {
  text-align: center;
  padding: 24px 16px;
  background: #fff;
  border: 1px solid #dde2e8;
  border-radius: 6px;
}

.dept-card__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 10px;
  background: #f0f6fc;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #2980b9;
}

.dept-card__title {
  font-size: 14px;
  font-weight: 700;
  color: #1b3a5c;
  margin-bottom: 4px;
}

.dept-card__email {
  font-size: 13px;
  color: #2980b9;
}

/* Map Placeholder */
.map-placeholder {
  background: #f5f7f9;
  border: 1px solid #dde2e8;
  border-radius: 6px;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #5a6c7d;
}

/* ============================================================
   26. REVEAL ANIMATION
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s, transform 0.6s;
}

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

/* ============================================================
   27. RESPONSIVE - TABLET (max-width: 1024px)
   ============================================================ */
@media (max-width: 1024px) {
  .mega__grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

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

  .corp-split {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .prod-layout {
    grid-template-columns: 1fr;
  }

  .prod-sidebar {
    position: static;
  }

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

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

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

/* ============================================================
   28. RESPONSIVE - MOBILE (max-width: 768px)
   ============================================================ */
@media (max-width: 768px) {
  .util-bar__link--desktop {
    display: none;
  }

  .main-nav {
    display: none;
  }

  .hdr__burger {
    display: flex;
  }

  .btn--hdr {
    display: none;
  }

  .hero {
    height: 400px;
  }

  .hero__title {
    font-size: 26px;
  }

  .pgrp-grid {
    grid-template-columns: 1fr;
  }

  .feat-grid {
    grid-template-columns: 1fr;
  }

  .adv-grid {
    grid-template-columns: 1fr;
  }

  .cform__row {
    grid-template-columns: 1fr;
  }

  .ftr__inner {
    grid-template-columns: 1fr;
  }

  .page-hero {
    height: 220px;
  }

  .page-hero__title {
    font-size: 26px;
  }

  .prod-grid {
    grid-template-columns: 1fr;
  }

  .mission-grid {
    grid-template-columns: 1fr;
  }

  .quality-grid {
    grid-template-columns: 1fr;
  }

  .contact-cards {
    grid-template-columns: 1fr;
  }

  .departments {
    grid-template-columns: 1fr;
  }

  .ftr__bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .timeline__item:nth-child(odd),
  .timeline__item:nth-child(even) {
    padding: 0 0 0 24px;
    text-align: left;
    justify-content: flex-start;
  }

  .timeline::before {
    left: 0;
  }
}