/* =========================================================
   Tubewell Steel & Engg. Co. - Product Pages Stylesheet
   Works on top of main.css (uses --theme, --header, --text, --bg)
   ========================================================= */

:root {
  --tw-radius: 14px;
  --tw-radius-sm: 10px;
  --tw-border: #E4E8F0;
  --tw-shadow: 0 10px 35px rgba(11, 34, 57, 0.08);
  --tw-shadow-lg: 0 25px 60px rgba(11, 34, 57, 0.14);
  --tw-ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- Header nested menu arrow ---------- */
.header-main .main-menu ul li .submenu li.has-dropdown > a::after {
  content: "\f054";
  font-family: "Font Awesome 6 Pro";
  font-weight: 600;
  font-size: 11px;
}
.header-main .main-menu ul li .submenu {
  min-width: 270px;
}
.header-main .main-menu ul li .submenu li .submenu {
  min-width: 290px;
  max-height: 75vh;
  overflow-y: auto;
}
.header-main .main-menu ul li .submenu li a {
  font-size: 15px;
  text-transform: none;
}

/* ---------- Breadcrumb / Page Hero ---------- */
.tw-hero {
  position: relative;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  isolation: isolate;
}
.tw-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, rgba(11, 34, 57, .95) 0%, rgba(11, 34, 57, .82) 45%, rgba(169, 22, 5, .55) 100%);
  z-index: -1;
}
.tw-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: linear-gradient(to bottom, #000 30%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, #000 30%, transparent 100%);
  z-index: -1;
  animation: twGridMove 18s linear infinite;
}
@keyframes twGridMove {
  from { background-position: 0 0, 0 0; }
  to { background-position: 60px 60px, 60px 60px; }
}
.tw-hero .tw-hero-inner {
  padding: 210px 0 110px;
  position: relative;
}
@media (max-width: 1199px) {
  .tw-hero .tw-hero-inner { padding: 170px 0 90px; }
}
@media (max-width: 575px) {
  .tw-hero .tw-hero-inner { padding: 140px 0 70px; }
}
.tw-hero .tw-hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  border-radius: 50px;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .2);
  color: #fff;
  font-size: 14px;
  letter-spacing: .5px;
  text-transform: uppercase;
  backdrop-filter: blur(6px);
  margin-bottom: 20px;
}
.tw-hero .tw-hero-tag .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--theme2);
  box-shadow: 0 0 0 0 rgba(235, 68, 56, .7);
  animation: twPulse 1.8s infinite;
}
@keyframes twPulse {
  0% { box-shadow: 0 0 0 0 rgba(235, 68, 56, .7); }
  70% { box-shadow: 0 0 0 10px rgba(235, 68, 56, 0); }
  100% { box-shadow: 0 0 0 0 rgba(235, 68, 56, 0); }
}
.tw-hero h1 {
  color: #fff;
  font-size: 58px;
  line-height: 1.15;
  max-width: 900px;
}
@media (max-width: 991px) { .tw-hero h1 { font-size: 46px; } }
@media (max-width: 575px) { .tw-hero h1 { font-size: 32px; } }
.tw-hero .tw-hero-text {
  color: rgba(255, 255, 255, .8);
  max-width: 720px;
  margin-top: 16px;
  font-size: 17px;
}
.tw-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
  padding: 0;
}
.tw-crumbs li {
  list-style: none;
  color: rgba(255, 255, 255, .7);
  font-size: 15px;
  font-family: "Hanken Grotesk", sans-serif;
}
.tw-crumbs li a { color: #fff; transition: color .3s; }
.tw-crumbs li a:hover { color: var(--theme2); }
.tw-crumbs li i { font-size: 11px; color: var(--theme2); }
.tw-hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}
.tw-hero-chips span {
  padding: 7px 14px;
  border-radius: 8px;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .15);
  color: #fff;
  font-size: 14px;
}
.tw-hero-chips span i { color: var(--theme2); margin-right: 6px; }

/* ---------- Layout ---------- */
.tw-product-section {
  padding: 100px 0;
  background: #fff;
}
@media (max-width: 991px) { .tw-product-section { padding: 70px 0; } }

/* ---------- Sidebar ---------- */
.tw-sidebar { display: flex; flex-direction: column; gap: 28px; }
.tw-sidebar-toggle {
  display: none;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  padding: 16px 22px;
  border-radius: var(--tw-radius-sm);
  background: var(--header);
  color: #fff;
  font-weight: 600;
  font-family: "Hanken Grotesk", sans-serif;
  font-size: 17px;
  border: 0;
}
.tw-sidebar-toggle i { transition: transform .4s var(--tw-ease); }
.tw-sidebar-toggle.open i { transform: rotate(180deg); }
@media (max-width: 991px) {
  .tw-sidebar-toggle { display: flex; }
  .tw-sidebar-body { display: none; }
  .tw-sidebar-body.open { display: flex; flex-direction: column; gap: 28px; animation: twFadeDown .45s var(--tw-ease); }
}
@keyframes twFadeDown {
  from { opacity: 0; transform: translateY(-12px); }
  to { opacity: 1; transform: translateY(0); }
}
.tw-widget {
  background: var(--bg);
  border-radius: var(--tw-radius);
  padding: 28px 22px;
  border: 1px solid var(--tw-border);
}
.tw-widget-title {
  font-size: 21px;
  margin-bottom: 20px;
  padding-bottom: 14px;
  position: relative;
  border-bottom: 1px solid var(--tw-border);
}
.tw-widget-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 60px;
  height: 3px;
  border-radius: 3px;
  background: var(--theme);
}
.tw-cat-list { padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.tw-cat-item { list-style: none; border-radius: var(--tw-radius-sm); background: #fff; overflow: hidden; border: 1px solid transparent; transition: border-color .3s, box-shadow .3s; }
.tw-cat-item.open { border-color: var(--tw-border); box-shadow: var(--tw-shadow); }
.tw-cat-head { display: flex; align-items: stretch; }
.tw-cat-head > a {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  color: var(--header);
  font-weight: 600;
  font-family: "Hanken Grotesk", sans-serif;
  font-size: 16px;
  transition: color .3s;
}
.tw-cat-head > a i { color: var(--theme); width: 18px; text-align: center; }
.tw-cat-head > a:hover { color: var(--theme); }
.tw-cat-toggle {
  border: 0;
  background: transparent;
  width: 48px;
  color: var(--header);
  border-left: 1px solid var(--tw-border);
  transition: background .3s, color .3s;
}
.tw-cat-toggle i { transition: transform .4s var(--tw-ease); font-size: 13px; }
.tw-cat-item.open .tw-cat-toggle { background: var(--theme); color: #fff; }
.tw-cat-item.open .tw-cat-toggle i { transform: rotate(180deg); }
.tw-cat-item.current > .tw-cat-head > a { color: var(--theme); }
.tw-sub-list {
  padding: 0;
  margin: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height .5s var(--tw-ease);
}
.tw-sub-list li { list-style: none; }
.tw-sub-list li a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px 10px 26px;
  font-size: 15px;
  color: var(--text);
  border-top: 1px dashed var(--tw-border);
  position: relative;
  transition: all .3s;
}
.tw-sub-list li a::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  border: 1.5px solid var(--theme);
  flex-shrink: 0;
  transition: all .3s;
}
.tw-sub-list li a:hover { color: var(--theme); padding-left: 32px; }
.tw-sub-list li a:hover::before { background: var(--theme); }
.tw-sub-list li a.active {
  color: #fff;
  background: linear-gradient(90deg, var(--theme), var(--theme2));
  font-weight: 600;
}
.tw-sub-list li a.active::before { border-color: #fff; background: #fff; }

.tw-enquiry-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--tw-radius);
  padding: 36px 28px;
  background: var(--header);
  color: #fff;
  isolation: isolate;
}
.tw-enquiry-card::before {
  content: "";
  position: absolute;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(235, 68, 56, .55), transparent 70%);
  top: -80px;
  right: -80px;
  z-index: -1;
  animation: twFloat 6s ease-in-out infinite;
}
@keyframes twFloat {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-20px, 25px); }
}
.tw-enquiry-card .icon {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--theme);
  font-size: 24px;
  margin-bottom: 18px;
  animation: twRing 2.5s infinite;
}
@keyframes twRing {
  0%, 100% { transform: rotate(0); }
  10%, 30% { transform: rotate(-12deg); }
  20%, 40% { transform: rotate(12deg); }
  50% { transform: rotate(0); }
}
.tw-enquiry-card h4 { color: #fff; font-size: 22px; margin-bottom: 8px; }
.tw-enquiry-card p { color: rgba(255, 255, 255, .7); font-size: 15px; margin-bottom: 18px; }
.tw-enquiry-card a.tw-line { display: flex; align-items: center; gap: 10px; color: #fff; margin-bottom: 10px; font-size: 15px; word-break: break-all; }
.tw-enquiry-card a.tw-line i { color: var(--theme2); }
.tw-enquiry-card .theme-btn { margin-top: 12px; width: 100%; justify-content: center; }

.tw-download {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border-radius: var(--tw-radius-sm);
  background: #fff;
  border: 1px solid var(--tw-border);
  color: var(--header);
  font-weight: 600;
  transition: all .35s var(--tw-ease);
}
.tw-download + .tw-download { margin-top: 10px; }
.tw-download i.fa-file-pdf { font-size: 26px; color: var(--theme); }
.tw-download span { flex: 1; }
.tw-download small { display: block; color: var(--text); font-weight: 400; font-size: 13px; }
.tw-download:hover { transform: translateX(6px); border-color: var(--theme); color: var(--theme); }

/* ---------- Product Top ---------- */
.tw-gallery { position: relative; }
.tw-gallery-main {
  position: relative;
  border-radius: var(--tw-radius);
  overflow: hidden;
  aspect-ratio: 4 / 3.3;
  background: var(--bg);
  box-shadow: var(--tw-shadow);
}
.tw-gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .8s var(--tw-ease), opacity .4s;
}
.tw-gallery-main:hover img { transform: scale(1.08); }
.tw-gallery-main .tw-badge {
  position: absolute;
  top: 18px;
  left: 18px;
  padding: 6px 14px;
  border-radius: 50px;
  background: var(--theme);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  z-index: 2;
}
.tw-gallery-main .tw-zoom {
  position: absolute;
  right: 18px;
  bottom: 18px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #fff;
  color: var(--header);
  z-index: 2;
  transition: all .3s;
}
.tw-gallery-main .tw-zoom:hover { background: var(--theme); color: #fff; }
.tw-thumbs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 12px; }
.tw-thumbs button {
  padding: 0;
  border: 2px solid transparent;
  border-radius: var(--tw-radius-sm);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--bg);
  transition: border-color .3s, transform .3s;
}
.tw-thumbs button img { width: 100%; height: 100%; object-fit: cover; }
.tw-thumbs button.active, .tw-thumbs button:hover { border-color: var(--theme); transform: translateY(-3px); }

.tw-summary .tw-eyebrow {
  color: var(--theme);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.tw-summary .tw-eyebrow::before { content: ""; width: 30px; height: 2px; background: var(--theme); }
.tw-summary h2 { font-size: 38px; margin: 10px 0 14px; line-height: 1.2; }
@media (max-width: 575px) { .tw-summary h2 { font-size: 28px; } }
.tw-summary > p { margin-bottom: 20px; }
.tw-key-specs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 26px;
}
@media (max-width: 400px) { .tw-key-specs { grid-template-columns: 1fr; } }
.tw-key-specs div {
  padding: 14px 16px;
  border-radius: var(--tw-radius-sm);
  background: var(--bg);
  border-left: 3px solid var(--theme);
  transition: transform .3s, box-shadow .3s;
}
.tw-key-specs div:hover { transform: translateY(-4px); box-shadow: var(--tw-shadow); }
.tw-key-specs small { display: block; font-size: 13px; color: var(--text); text-transform: uppercase; letter-spacing: .5px; }
.tw-key-specs strong { color: var(--header); font-size: 15px; font-family: "Hanken Grotesk", sans-serif; }
.tw-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.tw-btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 28px;
  border-radius: 8px;
  border: 1.5px solid var(--header);
  color: var(--header);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 15px;
  transition: all .35s;
}
.tw-btn-outline:hover { background: var(--header); color: #fff; }
.tw-btn-wa { border-color: #25D366; color: #128C7E; }
.tw-btn-wa:hover { background: #25D366; border-color: #25D366; color: #fff; }

/* ---------- Quick Nav ---------- */
.tw-quicknav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  padding: 10px;
  margin: 50px 0 40px;
  border-radius: var(--tw-radius);
  background: var(--header);
}
.tw-quicknav a {
  flex: 1 1 auto;
  text-align: center;
  padding: 10px 14px;
  border-radius: 8px;
  color: rgba(255, 255, 255, .75);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .4px;
  white-space: nowrap;
  transition: all .3s;
}
@media (max-width: 575px) {
  .tw-quicknav a { font-size: 12px; padding: 8px 10px; }
}
.tw-quicknav a:hover { color: #fff; background: rgba(255, 255, 255, .08); }
.tw-quicknav a.active { background: var(--theme); color: #fff; }

/* ---------- Content blocks ---------- */
.tw-block {
  margin-bottom: 50px;
  scroll-margin-top: 120px;
}
.tw-block-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 22px;
}
.tw-block-head .ico {
  width: 54px;
  height: 54px;
  flex-shrink: 0;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 22px;
  color: #fff;
  background: linear-gradient(135deg, var(--theme), var(--theme2));
  box-shadow: 0 10px 25px rgba(169, 22, 5, .3);
}
.tw-block-head h3 { font-size: 28px; margin: 0; }
@media (max-width: 575px) { .tw-block-head h3 { font-size: 22px; } }
.tw-block-head p { margin: 2px 0 0; font-size: 14px; }
.tw-block p { line-height: 1.8; }
.tw-check-list { padding: 0; margin: 18px 0 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 24px; }
@media (max-width: 767px) { .tw-check-list { grid-template-columns: 1fr; } }
.tw-check-list li { list-style: none; display: flex; gap: 10px; align-items: flex-start; color: var(--header); }
.tw-check-list li i { color: var(--theme); margin-top: 5px; }

/* ---------- Tables ---------- */
.tw-table-wrap {
  border-radius: var(--tw-radius);
  overflow: hidden;
  overflow-x: auto;
  border: 1px solid var(--tw-border);
  box-shadow: var(--tw-shadow);
  background: #fff;
}
.tw-table { width: 100%; border-collapse: collapse; min-width: 560px; margin: 0; }
.tw-table thead th {
  background: var(--header);
  color: #fff;
  font-family: "Hanken Grotesk", sans-serif;
  font-weight: 600;
  font-size: 15px;
  padding: 15px 18px;
  text-align: left;
  white-space: nowrap;
}
.tw-table thead th:first-child { background: var(--theme); }
.tw-table tbody td, .tw-table tbody th {
  padding: 13px 18px;
  border-top: 1px solid var(--tw-border);
  font-size: 15px;
  color: var(--text);
  vertical-align: top;
  transition: background .25s;
}
.tw-table tbody th { color: var(--header); font-weight: 600; width: 34%; background: #FAFBFD; }
.tw-table tbody tr:nth-child(even) td { background: #FAFBFD; }
.tw-table tbody tr:hover td, .tw-table tbody tr:hover th { background: #FFF3F1; }
.tw-table.tw-center td, .tw-table.tw-center th { text-align: center; }
.tw-table.tw-center tbody th { text-align: left; }
.tw-table td a, .tw-table tbody th a { color: var(--theme); font-weight: 600; border-bottom: 1px dashed currentColor; transition: color .3s; }
.tw-table td a:hover, .tw-table tbody th a:hover { color: var(--header); }
.tw-cat-card a.thumb { display: block; }
.tw-section-title p { margin-top: 12px; }
.tw-table-note { font-size: 13px; margin-top: 10px; color: var(--text); }
.tw-table-tools { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.tw-table-search { position: relative; max-width: 280px; width: 100%; }
.tw-table-search input {
  width: 100%;
  padding: 11px 16px 11px 40px;
  border-radius: 8px;
  border: 1px solid var(--tw-border);
  background: var(--bg);
  font-size: 14px;
  outline: none;
  transition: border-color .3s;
}
.tw-table-search input:focus { border-color: var(--theme); }
.tw-table-search i { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--text); font-size: 14px; }

/* ---------- Mechanical stat bars ---------- */
.tw-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 22px; }
@media (max-width: 767px) { .tw-stats { grid-template-columns: 1fr; } }
.tw-stat {
  padding: 22px;
  border-radius: var(--tw-radius);
  background: var(--bg);
  border: 1px solid var(--tw-border);
  transition: transform .35s var(--tw-ease), box-shadow .35s;
}
.tw-stat:hover { transform: translateY(-6px); box-shadow: var(--tw-shadow-lg); background: #fff; }
.tw-stat .val { font-size: 32px; font-weight: 700; color: var(--header); font-family: "Hanken Grotesk", sans-serif; line-height: 1; }
.tw-stat .val small { font-size: 15px; color: var(--theme); margin-left: 4px; }
.tw-stat .lbl { font-size: 14px; margin: 8px 0 14px; display: block; }
.tw-bar { height: 7px; background: #E2E7F0; border-radius: 10px; overflow: hidden; }
.tw-bar span { display: block; height: 100%; width: 0; border-radius: 10px; background: linear-gradient(90deg, var(--theme), var(--theme2)); transition: width 1.6s var(--tw-ease); }

/* chemical element chips */
.tw-elements { display: grid; grid-template-columns: repeat(auto-fill, minmax(92px, 1fr)); gap: 12px; margin-bottom: 22px; }
.tw-el {
  position: relative;
  padding: 14px 10px 12px;
  border-radius: 12px;
  text-align: center;
  background: #fff;
  border: 1px solid var(--tw-border);
  transition: all .35s var(--tw-ease);
}
.tw-el b { display: block; font-size: 24px; color: var(--theme); font-family: "Hanken Grotesk", sans-serif; }
.tw-el span { display: block; font-size: 12px; color: var(--text); margin-top: 4px; }
.tw-el em { font-style: normal; display: block; font-size: 13px; color: var(--header); font-weight: 600; margin-top: 4px; }
.tw-el:hover { background: var(--header); transform: translateY(-5px) rotate(-1deg); }
.tw-el:hover b { color: #fff; }
.tw-el:hover span, .tw-el:hover em { color: rgba(255, 255, 255, .8); }

/* ---------- Applications ---------- */
.tw-app-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 991px) { .tw-app-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 575px) { .tw-app-grid { grid-template-columns: 1fr; } }
.tw-app {
  position: relative;
  overflow: hidden;
  padding: 26px 22px;
  border-radius: var(--tw-radius);
  border: 1px solid var(--tw-border);
  background: #fff;
  transition: all .45s var(--tw-ease);
  isolation: isolate;
}
.tw-app::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--header), #12375c);
  transform: translateY(101%);
  transition: transform .5s var(--tw-ease);
  z-index: -1;
}
.tw-app:hover::before { transform: translateY(0); }
.tw-app:hover { box-shadow: var(--tw-shadow-lg); transform: translateY(-6px); }
.tw-app .ico {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 22px;
  background: #FFF0EE;
  color: var(--theme);
  margin-bottom: 16px;
  transition: all .45s;
}
.tw-app:hover .ico { background: var(--theme); color: #fff; transform: rotateY(360deg); }
.tw-app h5 { font-size: 18px; margin-bottom: 6px; transition: color .4s; }
.tw-app p { font-size: 14px; margin: 0; line-height: 1.6; transition: color .4s; }
.tw-app:hover h5 { color: #fff; }
.tw-app:hover p { color: rgba(255, 255, 255, .75); }

/* ---------- Features / Why us ---------- */
.tw-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  border-radius: var(--tw-radius);
  overflow: hidden;
  background: var(--tw-border);
  border: 1px solid var(--tw-border);
}
@media (max-width: 991px) { .tw-features { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .tw-features { grid-template-columns: 1fr; } }
.tw-feature { background: #fff; padding: 26px 20px; text-align: center; transition: background .35s; }
.tw-feature:hover { background: #FFF6F5; }
.tw-feature i { font-size: 30px; color: var(--theme); margin-bottom: 12px; transition: transform .4s; }
.tw-feature:hover i { transform: scale(1.15) translateY(-3px); }
.tw-feature h6 { font-size: 16px; margin-bottom: 4px; }
.tw-feature p { font-size: 13px; margin: 0; line-height: 1.5; }

.tw-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.tw-tags span {
  padding: 9px 16px;
  border-radius: 50px;
  background: var(--bg);
  border: 1px solid var(--tw-border);
  color: var(--header);
  font-size: 14px;
  transition: all .3s;
}
.tw-tags span i { color: var(--theme); margin-right: 6px; transition: color .3s; }
.tw-tags span:hover { background: var(--theme); color: #fff; border-color: var(--theme); }
.tw-tags span:hover i { color: #fff; }

/* ---------- FAQ ---------- */
.tw-faq .accordion-item {
  border: 1px solid var(--tw-border);
  border-radius: var(--tw-radius-sm) !important;
  overflow: hidden;
  margin-bottom: 12px;
}
.tw-faq .accordion-button {
  font-family: "Hanken Grotesk", sans-serif;
  font-weight: 600;
  font-size: 17px;
  color: var(--header);
  padding: 18px 22px;
  background: #fff;
  box-shadow: none !important;
}
.tw-faq .accordion-button:not(.collapsed) { background: var(--header); color: #fff; }
.tw-faq .accordion-button::after { filter: none; }
.tw-faq .accordion-button:not(.collapsed)::after { filter: brightness(0) invert(1); }
.tw-faq .accordion-body { padding: 18px 22px; line-height: 1.8; }

/* ---------- CTA ---------- */
.tw-cta {
  position: relative;
  overflow: hidden;
  border-radius: 18px;
  padding: 50px 44px;
  background: linear-gradient(120deg, var(--theme) 0%, #7e1003 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  isolation: isolate;
}
.tw-cta::before, .tw-cta::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 40px solid rgba(255, 255, 255, .06);
  z-index: -1;
}
.tw-cta::before { width: 320px; height: 320px; right: -100px; top: -140px; animation: twSpin 25s linear infinite; }
.tw-cta::after { width: 200px; height: 200px; left: 30%; bottom: -130px; }
@keyframes twSpin { to { transform: rotate(360deg); } }
.tw-cta h3 { color: #fff; font-size: 32px; margin-bottom: 6px; }
@media (max-width: 575px) { .tw-cta { padding: 36px 24px; } .tw-cta h3 { font-size: 24px; } }
.tw-cta p { color: rgba(255, 255, 255, .85); margin: 0; }
.tw-cta .btns { display: flex; gap: 12px; flex-wrap: wrap; }
.tw-btn-light {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 28px;
  border-radius: 8px;
  background: #fff;
  color: var(--theme);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 15px;
  transition: all .35s;
}
.tw-btn-light:hover { background: var(--header); color: #fff; }
.tw-btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 28px;
  border-radius: 8px;
  border: 1.5px solid rgba(255, 255, 255, .6);
  color: #fff;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 15px;
  transition: all .35s;
}
.tw-btn-ghost:hover { background: #fff; color: var(--theme); }

/* ---------- Related / category cards ---------- */
.tw-related { padding: 100px 0; background: var(--bg); }
@media (max-width: 991px) { .tw-related { padding: 70px 0; } }
.tw-card {
  display: block;
  height: 100%;
  border-radius: var(--tw-radius);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--tw-border);
  transition: all .45s var(--tw-ease);
}
.tw-card:hover { transform: translateY(-8px); box-shadow: var(--tw-shadow-lg); }
.tw-card .thumb { position: relative; overflow: hidden; aspect-ratio: 16 / 11; }
.tw-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--tw-ease); }
.tw-card:hover .thumb img { transform: scale(1.1); }
.tw-card .thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11, 34, 57, .55), transparent 60%);
}
.tw-card .thumb .tag {
  position: absolute;
  left: 16px;
  bottom: 14px;
  z-index: 2;
  color: #fff;
  font-size: 13px;
  padding: 5px 12px;
  border-radius: 50px;
  background: var(--theme);
}
.tw-card .body { padding: 22px; }
.tw-card .body h4 { font-size: 20px; margin-bottom: 8px; transition: color .3s; }
.tw-card .body p { font-size: 14px; margin-bottom: 14px; line-height: 1.6; }
.tw-card:hover .body h4 { color: var(--theme); }
.tw-card .more { font-weight: 600; color: var(--header); font-size: 14px; text-transform: uppercase; display: inline-flex; gap: 8px; align-items: center; }
.tw-card .more i { transition: transform .3s; color: var(--theme); }
.tw-card:hover .more i { transform: translateX(6px); }

/* products hub */
.tw-cat-card { border-radius: 18px; overflow: hidden; background: #fff; border: 1px solid var(--tw-border); height: 100%; display: flex; flex-direction: column; transition: all .45s var(--tw-ease); }
.tw-cat-card:hover { box-shadow: var(--tw-shadow-lg); transform: translateY(-6px); }
.tw-cat-card .thumb { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.tw-cat-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .9s var(--tw-ease); }
.tw-cat-card:hover .thumb img { transform: scale(1.08); }
.tw-cat-card .thumb .count { position: absolute; top: 16px; right: 16px; background: rgba(11, 34, 57, .85); color: #fff; padding: 6px 14px; border-radius: 50px; font-size: 13px; backdrop-filter: blur(4px); }
.tw-cat-card .body { padding: 26px; flex: 1; display: flex; flex-direction: column; }
.tw-cat-card .body h3 { font-size: 24px; margin-bottom: 8px; }
.tw-cat-card .body h3 a { color: var(--header); transition: color .3s; }
.tw-cat-card .body h3 a:hover { color: var(--theme); }
.tw-cat-card .body p { font-size: 15px; }
.tw-cat-card .links { display: flex; flex-wrap: wrap; gap: 8px; margin: 6px 0 20px; }
.tw-cat-card .links a { font-size: 13px; padding: 6px 12px; border-radius: 6px; background: var(--bg); color: var(--header); transition: all .3s; }
.tw-cat-card .links a:hover { background: var(--theme); color: #fff; }
.tw-cat-card .theme-btn { margin-top: auto; align-self: flex-start; }

/* =========================================================
   Inner pages: About / Quality / Gallery / Contact
   ========================================================= */
.tw-section { padding: 110px 0; position: relative; }
.tw-section.bg { background: var(--bg); }
@media (max-width: 991px) { .tw-section { padding: 75px 0; } }
.tw-section-title.text-start { text-align: left; margin-left: 0; }
.tw-lead { font-size: 18px; line-height: 1.8; color: var(--header); }

/* about image stack */
.tw-about-visual { position: relative; padding: 0 0 60px 60px; }
@media (max-width: 575px) { .tw-about-visual { padding: 0 0 40px 20px; } }
.tw-about-visual .img-1 { border-radius: 18px; overflow: hidden; box-shadow: var(--tw-shadow-lg); aspect-ratio: 4 / 4.4; }
.tw-about-visual .img-1 img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--tw-ease); }
.tw-about-visual:hover .img-1 img { transform: scale(1.05); }
.tw-about-visual .img-2 {
  position: absolute; left: 0; bottom: 0; width: 48%;
  border-radius: 14px; overflow: hidden; border: 8px solid #fff; box-shadow: var(--tw-shadow-lg);
  aspect-ratio: 1; animation: twFloat 7s ease-in-out infinite;
}
.tw-about-visual .img-2 img { width: 100%; height: 100%; object-fit: cover; }
.tw-about-visual .exp-badge {
  position: absolute; right: -10px; top: 40px;
  background: linear-gradient(135deg, var(--theme), var(--theme2)); color: #fff;
  border-radius: 16px; padding: 22px 24px; text-align: center; box-shadow: 0 20px 40px rgba(169, 22, 5, .35);
}
@media (max-width: 575px) { .tw-about-visual .exp-badge { right: 0; padding: 14px 16px; } }
.tw-about-visual .exp-badge b { display: block; font-size: 46px; line-height: 1; font-family: "Hanken Grotesk", sans-serif; }
.tw-about-visual .exp-badge span { font-size: 13px; text-transform: uppercase; letter-spacing: 1px; }
.tw-about-visual .ring {
  position: absolute; left: 10px; top: -20px; width: 120px; height: 120px; border-radius: 50%;
  border: 2px dashed var(--theme); opacity: .35; z-index: -1; animation: twSpin 30s linear infinite;
}

/* counters */
.tw-counters { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-radius: 18px; overflow: hidden; background: var(--header); position: relative; isolation: isolate; }
.tw-counters::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 85% 20%, rgba(235, 68, 56, .35), transparent 45%); z-index: -1; }
@media (max-width: 991px) { .tw-counters { grid-template-columns: repeat(2, 1fr); } }
.tw-counter { padding: 42px 26px; text-align: center; border-right: 1px solid rgba(255, 255, 255, .08); }
.tw-counter:last-child { border-right: 0; }
@media (max-width: 991px) { .tw-counter { border-bottom: 1px solid rgba(255, 255, 255, .08); } }
.tw-counter h3 { color: #fff; font-size: 48px; line-height: 1; }
.tw-counter h3 span.plus { color: var(--theme2); }
.tw-counter p { color: rgba(255, 255, 255, .7); margin: 10px 0 0; font-size: 15px; }
.tw-counter i { font-size: 28px; color: var(--theme2); margin-bottom: 14px; display: block; }

/* mission vision tabs-like cards */
.tw-mv { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 991px) { .tw-mv { grid-template-columns: 1fr; } }
.tw-mv-card { position: relative; padding: 38px 30px; border-radius: 18px; background: #fff; border: 1px solid var(--tw-border); overflow: hidden; transition: all .45s var(--tw-ease); }
.tw-mv-card .num { position: absolute; right: 22px; top: 12px; font-size: 80px; font-weight: 800; color: var(--bg); line-height: 1; font-family: "Hanken Grotesk", sans-serif; transition: color .4s; }
.tw-mv-card .ico { width: 64px; height: 64px; border-radius: 16px; display: grid; place-items: center; font-size: 26px; color: #fff; background: linear-gradient(135deg, var(--theme), var(--theme2)); margin-bottom: 22px; position: relative; }
.tw-mv-card h4 { font-size: 24px; margin-bottom: 10px; position: relative; }
.tw-mv-card p { margin: 0; position: relative; }
.tw-mv-card:hover { transform: translateY(-8px); box-shadow: var(--tw-shadow-lg); border-color: transparent; }
.tw-mv-card:hover .num { color: #FFE9E6; }

/* quality process */
.tw-process { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: step; }
@media (max-width: 991px) { .tw-process { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 575px) { .tw-process { grid-template-columns: 1fr; } }
.tw-step { position: relative; padding: 34px 28px 30px; border-radius: 16px; background: #fff; border: 1px solid var(--tw-border); counter-increment: step; overflow: hidden; transition: all .45s var(--tw-ease); }
.tw-step::after { content: "0" counter(step); position: absolute; right: 20px; top: 14px; font-size: 54px; font-weight: 800; color: transparent; -webkit-text-stroke: 1.5px #E3E7EF; font-family: "Hanken Grotesk", sans-serif; transition: all .4s; }
.tw-step::before { content: ""; position: absolute; left: 0; top: 0; height: 4px; width: 0; background: linear-gradient(90deg, var(--theme), var(--theme2)); transition: width .6s var(--tw-ease); }
.tw-step:hover::before { width: 100%; }
.tw-step:hover { box-shadow: var(--tw-shadow-lg); transform: translateY(-6px); }
.tw-step:hover::after { -webkit-text-stroke-color: var(--theme); }
.tw-step i { font-size: 32px; color: var(--theme); margin-bottom: 18px; }
.tw-step h5 { font-size: 20px; margin-bottom: 8px; }
.tw-step p { font-size: 15px; margin: 0; }

.tw-policy { position: relative; border-radius: 20px; padding: 50px; background: var(--header); color: #fff; overflow: hidden; isolation: isolate; }
@media (max-width: 575px) { .tw-policy { padding: 34px 22px; } }
.tw-policy::before { content: "\f10d"; font-family: "Font Awesome 6 Pro"; font-weight: 900; position: absolute; right: 30px; top: 10px; font-size: 140px; color: rgba(255, 255, 255, .05); z-index: -1; }
.tw-policy h3 { color: #fff; font-size: 32px; margin-bottom: 16px; }
.tw-policy p { color: rgba(255, 255, 255, .8); font-size: 17px; line-height: 1.9; }
.tw-policy ul { padding: 0; margin: 24px 0 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 24px; }
@media (max-width: 767px) { .tw-policy ul { grid-template-columns: 1fr; } }
.tw-policy li { list-style: none; display: flex; gap: 12px; color: #fff; }
.tw-policy li i { color: var(--theme2); margin-top: 5px; }

.tw-cert { text-align: center; padding: 30px 20px; border-radius: 16px; background: #fff; border: 1px solid var(--tw-border); height: 100%; transition: all .4s var(--tw-ease); }
.tw-cert:hover { transform: translateY(-6px); box-shadow: var(--tw-shadow-lg); }
.tw-cert .seal { width: 84px; height: 84px; margin: 0 auto 16px; border-radius: 50%; display: grid; place-items: center; font-size: 32px; color: var(--theme); background: #FFF0EE; border: 2px dashed var(--theme); transition: transform .8s var(--tw-ease); }
.tw-cert:hover .seal { transform: rotate(360deg); }
.tw-cert h6 { font-size: 18px; margin-bottom: 6px; }
.tw-cert p { font-size: 14px; margin: 0; }

/* video banner */
.tw-video-box { position: relative; border-radius: 20px; overflow: hidden; aspect-ratio: 16 / 7; box-shadow: var(--tw-shadow-lg); }
@media (max-width: 767px) { .tw-video-box { aspect-ratio: 16 / 10; } }
.tw-video-box video { width: 100%; height: 100%; object-fit: cover; display: block; }
.tw-video-box .cap { position: absolute; inset: 0; display: flex; align-items: flex-end; padding: 34px; background: linear-gradient(to top, rgba(11, 34, 57, .85), transparent 55%); }
.tw-video-box .cap h3 { color: #fff; margin: 0; font-size: 30px; }

/* contact */
.tw-info-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
@media (max-width: 1199px) { .tw-info-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 575px) { .tw-info-grid { grid-template-columns: 1fr; } }
.tw-info { position: relative; padding: 32px 26px; border-radius: 16px; background: #fff; border: 1px solid var(--tw-border); overflow: hidden; isolation: isolate; transition: all .45s var(--tw-ease); }
.tw-info::before { content: ""; position: absolute; inset: 0; background: linear-gradient(135deg, var(--theme), #7e1003); transform: scaleY(0); transform-origin: bottom; transition: transform .5s var(--tw-ease); z-index: -1; }
.tw-info:hover::before { transform: scaleY(1); }
.tw-info:hover { box-shadow: var(--tw-shadow-lg); transform: translateY(-6px); }
.tw-info .ico { width: 60px; height: 60px; border-radius: 50%; display: grid; place-items: center; font-size: 22px; color: var(--theme); background: #FFF0EE; margin-bottom: 18px; transition: all .45s; }
.tw-info h5 { font-size: 20px; margin-bottom: 8px; transition: color .4s; }
.tw-info p, .tw-info a { font-size: 15px; color: var(--text); margin: 0; display: block; transition: color .4s; word-break: break-word; }
.tw-info:hover h5, .tw-info:hover p, .tw-info:hover a { color: #fff; }
.tw-info:hover .ico { background: #fff; color: var(--theme); }

.tw-map { border-radius: 20px; overflow: hidden; height: 100%; min-height: 420px; box-shadow: var(--tw-shadow); }
.tw-map iframe { width: 100%; height: 100%; min-height: 420px; border: 0; display: block; filter: grayscale(.3); }
.tw-hours { display: flex; flex-direction: column; gap: 10px; margin-top: 18px; padding: 0; }
.tw-hours li { list-style: none; display: flex; justify-content: space-between; padding: 12px 16px; border-radius: 10px; background: var(--bg); font-size: 15px; color: var(--header); }
.tw-hours li b { color: var(--theme); }

/* stand-alone section title helper */
.tw-section-title { text-align: center; max-width: 720px; margin: 0 auto 50px; }
.tw-section-title .sub { color: var(--theme); font-weight: 600; letter-spacing: 1px; text-transform: uppercase; font-size: 14px; }
.tw-section-title h2 { font-size: 44px; margin-top: 8px; }
@media (max-width: 575px) { .tw-section-title h2 { font-size: 30px; } }

/* reveal on scroll fallback (used with IntersectionObserver) */
.tw-reveal { opacity: 0; transform: translateY(30px); transition: opacity .8s var(--tw-ease), transform .8s var(--tw-ease); }
.tw-reveal.in { opacity: 1; transform: none; }

/* floating whatsapp */
.tw-float-wa {
  position: fixed;
  left: 22px;
  bottom: 22px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 28px;
  color: #fff;
  background: #25D366;
  z-index: 999;
  box-shadow: 0 10px 25px rgba(37, 211, 102, .45);
  animation: twPulseWa 2s infinite;
}
.tw-float-wa:hover { color: #fff; transform: scale(1.08); }
@keyframes twPulseWa {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, .6); }
  70% { box-shadow: 0 0 0 16px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}