:root {
  --ink: #18212b;
  --muted: #617080;
  --line: #dbe4ec;
  --surface: #f5f8fb;
  --white: #ffffff;
  --navy: #20324a;
  --teal: #087e84;
  --coral: #df5b4f;
  --gold: #f1ad32;
  --sky: #dff3fa;
  --shadow: 0 18px 48px rgba(24, 33, 43, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  background: var(--white);
  line-height: 1.6;
}

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

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

.top-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  justify-content: center;
  padding: 8px clamp(18px, 5vw, 72px);
  color: rgba(255, 255, 255, 0.88);
  font-size: 13px;
  background: #121b2a;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 28px;
  padding: 14px clamp(18px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(219, 228, 236, 0.88);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: var(--white);
  font-weight: 800;
  background: var(--coral);
  border-radius: 8px;
}

.brand strong,
.brand small {
  display: block;
  white-space: nowrap;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
}

.desktop-nav {
  display: flex;
  justify-content: center;
  gap: 28px;
  color: #3f5060;
  font-size: 14px;
}

.desktop-nav a:hover {
  color: var(--teal);
}

.header-action,
.primary-button,
.secondary-button,
.inquiry-form button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  font-weight: 700;
  border-radius: 8px;
}

.header-action,
.primary-button,
.inquiry-form button {
  color: var(--white);
  background: var(--teal);
}

.secondary-button {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.78);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: 8px;
}

.menu-button span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
}

.mobile-nav {
  display: none;
}

.hero {
  position: relative;
  min-height: 680px;
  overflow: hidden;
  background: var(--navy);
}

.hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(16, 27, 42, 0.92), rgba(16, 27, 42, 0.64) 44%, rgba(16, 27, 42, 0.12));
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(730px, calc(100% - 36px));
  padding: 132px 0 96px;
  margin-left: clamp(18px, 5vw, 72px);
  color: var(--white);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.02;
  letter-spacing: 0;
}

.hero p:not(.eyebrow) {
  max-width: 620px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.hero-proof span {
  padding: 8px 12px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 13px;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
}

.trust-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--line);
  background: var(--navy);
}

.trust-band div {
  min-height: 112px;
  padding: 24px clamp(18px, 4vw, 48px);
  color: var(--white);
  border-right: 1px solid rgba(255, 255, 255, 0.13);
}

.trust-band strong,
.trust-band span {
  display: block;
}

.trust-band strong {
  font-size: 26px;
  line-height: 1.1;
}

.trust-band span {
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.section,
.split-section,
.solution-section,
.faq-section,
.contact-section {
  padding: 84px clamp(18px, 5vw, 72px);
}

.quick-inquiry {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 20px clamp(18px, 5vw, 72px);
  color: var(--white);
  background: var(--coral);
}

.quick-inquiry strong {
  font-size: 20px;
}

.quick-inquiry span {
  color: rgba(255, 255, 255, 0.88);
}

.quick-inquiry a {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  color: var(--ink);
  font-weight: 800;
  background: var(--white);
  border-radius: 8px;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 34px;
}

.section-heading.compact {
  margin-bottom: 24px;
}

h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.12;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 10px;
  font-size: 21px;
  line-height: 1.2;
}

.section-heading p:not(.eyebrow),
.solution-copy p,
.contact-section p {
  max-width: 680px;
  color: var(--muted);
}

.product-grid,
.category-grid,
.capability-grid,
.case-grid,
.insight-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.product-card,
.category-card,
.capability-grid article,
.case-grid article,
.insight-grid article {
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: 8px;
}

.category-grid {
  grid-template-columns: 1.2fr repeat(3, 1fr);
}

.category-card {
  display: flex;
  min-height: 310px;
  flex-direction: column;
  justify-content: flex-end;
  padding: 26px;
  color: var(--white);
  background:
    linear-gradient(180deg, rgba(32, 50, 74, 0.08), rgba(32, 50, 74, 0.92)),
    var(--category-image, linear-gradient(135deg, #0b8991, #e45f52 54%, #f4b339)) center / cover;
  overflow: hidden;
  position: relative;
}

.category-card::before {
  position: absolute;
  inset: 24px 24px auto auto;
  width: 112px;
  height: 112px;
  content: "";
  border: 14px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
}

.category-card.feature {
  min-height: 380px;
  background:
    linear-gradient(180deg, rgba(21, 35, 55, 0.08), rgba(21, 35, 55, 0.94)),
    var(--category-image, url("assets/mining-hero.png")) center / cover;
}

.category-card span,
.insight-grid span {
  position: relative;
  z-index: 1;
  display: inline-block;
  margin-bottom: 16px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.category-card h3,
.category-card p,
.category-card a {
  position: relative;
  z-index: 1;
}

.category-card p {
  color: rgba(255, 255, 255, 0.82);
}

.category-card a,
.case-grid a {
  color: var(--gold);
  font-weight: 800;
}

.product-showcase {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.product-showcase article {
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: 8px;
}

.product-showcase img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.product-showcase div {
  padding: 18px;
}

.product-showcase span {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--coral);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.product-showcase p {
  color: var(--muted);
}

.product-catalog {
  background: #fbfcfd;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.catalog-grid article {
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(24, 33, 43, 0.08);
}

.catalog-grid img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.catalog-grid div {
  padding: 22px;
}

.catalog-grid span {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--coral);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.catalog-grid p {
  color: var(--muted);
}

.catalog-grid ul {
  display: grid;
  gap: 8px;
  padding: 0;
  margin: 18px 0;
  list-style: none;
}

.catalog-grid li {
  position: relative;
  padding-left: 22px;
  color: #344858;
  font-size: 14px;
}

.catalog-grid li::before {
  position: absolute;
  left: 0;
  top: 7px;
  width: 8px;
  height: 8px;
  content: "";
  background: var(--gold);
  border-radius: 50%;
}

.catalog-grid a {
  color: var(--teal);
  font-weight: 800;
}

.product-card {
  padding: 18px;
}

.product-card p,
.capability-grid p,
.case-grid p {
  color: var(--muted);
}

.product-card a {
  color: var(--teal);
  font-weight: 800;
}

.product-visual {
  position: relative;
  height: 148px;
  margin-bottom: 18px;
  overflow: hidden;
  background-color: var(--sky);
  border-radius: 8px;
}

.product-visual::before,
.product-visual::after {
  position: absolute;
  content: "";
}

.product-visual.thrill::before {
  inset: 34px 22px auto;
  height: 72px;
  border: 12px solid var(--coral);
  border-bottom: 0;
  border-radius: 90px 90px 0 0;
}

.product-visual.thrill::after {
  left: 50%;
  bottom: 22px;
  width: 72px;
  height: 22px;
  background: var(--navy);
  transform: translateX(-50%);
  border-radius: 8px;
}

.product-visual.family::before {
  left: 50%;
  top: 18px;
  width: 96px;
  height: 96px;
  border: 10px solid var(--teal);
  border-radius: 50%;
  transform: translateX(-50%);
}

.product-visual.family::after {
  left: 30px;
  right: 30px;
  bottom: 22px;
  height: 24px;
  background: var(--gold);
  border-radius: 999px 999px 6px 6px;
}

.product-visual.kids::before {
  left: 24px;
  right: 24px;
  bottom: 28px;
  height: 52px;
  background: var(--coral);
  border-radius: 42px 42px 12px 12px;
}

.product-visual.kids::after {
  left: 50%;
  top: 24px;
  width: 70px;
  height: 70px;
  background: var(--gold);
  clip-path: polygon(50% 0, 100% 42%, 82% 100%, 18% 100%, 0 42%);
  transform: translateX(-50%);
}

.product-visual.water::before {
  inset: 30px 24px auto;
  height: 74px;
  background: linear-gradient(135deg, transparent 35%, var(--teal) 36% 58%, transparent 59%);
}

.product-visual.water::after {
  left: 20px;
  right: 20px;
  bottom: 22px;
  height: 22px;
  background: repeating-linear-gradient(90deg, #49b7d6 0 24px, #88d7ef 24px 48px);
  border-radius: 999px;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 0.68fr);
  gap: clamp(32px, 6vw, 84px);
  align-items: start;
  background: var(--surface);
}

.solution-section {
  background: var(--surface);
}

.solution-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.75fr);
  gap: clamp(32px, 6vw, 84px);
  align-items: center;
}

.blueprint-panel {
  position: relative;
  min-height: 430px;
  overflow: hidden;
  background: #123855;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.blueprint-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 32px 32px;
}

.process-node {
  position: absolute;
  display: grid;
  min-width: 92px;
  min-height: 58px;
  place-items: center;
  color: var(--white);
  font-weight: 800;
  background: var(--teal);
  border: 2px solid rgba(255, 255, 255, 0.36);
  border-radius: 999px;
}

.process-node.feeder {
  left: 12%;
  top: 18%;
  width: 190px;
}

.process-node.crusher {
  right: 14%;
  top: 16%;
  width: 118px;
  height: 118px;
  background: var(--coral);
}

.process-node.secondary {
  left: 22%;
  bottom: 26%;
  background: var(--gold);
  color: var(--ink);
}

.process-node.screen {
  right: 18%;
  bottom: 22%;
}

.blueprint-note {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 24px;
  display: grid;
  gap: 4px;
  padding: 18px;
  color: var(--white);
  background: rgba(18, 27, 42, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  backdrop-filter: blur(8px);
}

.blueprint-note span {
  color: rgba(255, 255, 255, 0.75);
}

.check-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 28px 0 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 30px;
  color: #344858;
}

.check-list li::before {
  position: absolute;
  left: 0;
  top: 2px;
  width: 18px;
  height: 18px;
  content: "";
  background: var(--gold);
  border-radius: 50%;
}

.process-panel {
  display: grid;
  gap: 12px;
}

.process-panel div {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 8px 16px;
  padding: 20px;
  background: var(--white);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.process-panel span {
  grid-row: span 2;
  color: var(--coral);
  font-size: 28px;
  font-weight: 800;
}

.process-panel small {
  color: var(--muted);
}

.muted {
  background: #fbfcfd;
}

.factory-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(340px, 0.82fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
  margin-bottom: 28px;
}

.factory-image {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.capability-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.capability-grid article,
.case-grid article,
.insight-grid article {
  padding: 26px;
}

.case-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.case-grid span {
  display: inline-block;
  margin-bottom: 22px;
  color: var(--coral);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.case-grid img {
  width: calc(100% + 52px);
  max-width: none;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  margin: -26px -26px 22px;
}

.mini-icon {
  display: inline-grid;
  width: 44px;
  height: 44px;
  place-items: center;
  margin-bottom: 18px;
  color: var(--white);
  font-weight: 800;
  background: var(--teal);
  border-radius: 8px;
}

.cert-row,
.landing-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.cert-row span,
.landing-links a,
.landing-links strong {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  padding: 0 14px;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: 8px;
}

.cert-row span {
  color: var(--navy);
  font-weight: 800;
}

.landing-links strong {
  border-color: transparent;
  background: var(--navy);
  color: var(--white);
}

.landing-links a {
  color: var(--teal);
  font-weight: 700;
}

.insight-section {
  background: var(--surface);
}

.insight-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.insight-grid span {
  color: var(--coral);
}

.insight-grid p {
  color: var(--muted);
}

.faq-section {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(320px, 1fr);
  gap: clamp(28px, 6vw, 72px);
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  padding: 20px;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: 8px;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 800;
}

.faq-list p {
  margin-bottom: 0;
  color: var(--muted);
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(340px, 0.7fr);
  gap: clamp(28px, 6vw, 72px);
  color: var(--white);
  background: var(--navy);
}

.detail-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(360px, 0.9fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  padding: 84px clamp(18px, 5vw, 72px);
  background: var(--surface);
}

.detail-hero h1 {
  margin: 0;
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1.04;
}

.detail-hero p:not(.eyebrow) {
  max-width: 620px;
  color: var(--muted);
  font-size: 18px;
}

.detail-hero img {
  width: 100%;
  aspect-ratio: 16 / 11;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.detail-hero .secondary-button {
  color: var(--navy);
  border-color: var(--line);
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.detail-grid article {
  padding: 26px;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: 8px;
}

.detail-grid p {
  color: var(--muted);
}

.detail-grid article:hover {
  transform: translateY(-2px);
  transition: transform 160ms ease;
}

.article-page {
  width: min(920px, calc(100% - 36px));
  padding: 84px 0;
  margin: 0 auto;
}

.article-page h1 {
  margin: 0 0 24px;
  font-size: clamp(38px, 5vw, 62px);
  line-height: 1.05;
}

.article-page h2 {
  margin-top: 38px;
  font-size: clamp(26px, 3vw, 36px);
}

.article-page p {
  color: var(--muted);
  font-size: 18px;
}

.article-page img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  margin: 10px 0 28px;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.contact-section p {
  color: rgba(255, 255, 255, 0.74);
}

.contact-methods {
  display: grid;
  gap: 10px;
  margin-top: 28px;
}

.contact-methods a,
.contact-methods span {
  color: var(--white);
  font-weight: 700;
}

.inquiry-form {
  display: grid;
  gap: 14px;
  padding: 24px;
  color: var(--ink);
  background: var(--white);
  border-radius: 8px;
}

.inquiry-form label {
  display: grid;
  gap: 7px;
  color: #304453;
  font-size: 14px;
  font-weight: 700;
}

.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  padding: 12px;
  color: var(--ink);
  font: inherit;
  background: var(--white);
  border-radius: 8px;
}

.inquiry-form textarea {
  resize: vertical;
}

.inquiry-form button {
  border: 0;
  cursor: pointer;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: space-between;
  padding: 26px clamp(18px, 5vw, 72px);
  color: rgba(255, 255, 255, 0.76);
  background: #172437;
}

.site-footer strong {
  color: var(--white);
}

.whatsapp-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 30;
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  color: var(--white);
  font-weight: 800;
  background: #1a9f62;
  border-radius: 50%;
  box-shadow: var(--shadow);
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .desktop-nav,
  .header-action {
    display: none;
  }

  .simple-header {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .simple-header .desktop-nav {
    display: flex;
    justify-content: flex-start;
    gap: 18px;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .simple-header .header-action {
    display: none;
  }

  .menu-button {
    display: block;
  }

  .mobile-nav {
    position: fixed;
    inset: 70px 12px auto;
    z-index: 19;
    display: none;
    padding: 12px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

  .mobile-nav.open {
    display: grid;
  }

  .mobile-nav a {
    padding: 12px;
    border-bottom: 1px solid var(--line);
  }

  .mobile-nav a:last-child {
    border-bottom: 0;
  }

  .hero {
    min-height: 620px;
  }

  .hero-overlay {
    background: linear-gradient(90deg, rgba(16, 27, 42, 0.94), rgba(16, 27, 42, 0.62));
  }

  .trust-band,
  .product-grid,
  .category-grid,
  .product-showcase,
  .catalog-grid,
  .capability-grid,
  .case-grid,
  .insight-grid,
  .split-section,
  .solution-layout,
  .factory-layout,
  .detail-hero,
  .detail-grid,
  .faq-section,
  .contact-section {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .quick-inquiry {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .brand small {
    display: none;
  }

  .brand strong {
    white-space: normal;
  }

  .hero {
    min-height: 600px;
  }

  .hero-content {
    padding-top: 96px;
  }

  .hero h1 {
    font-size: 38px;
  }

  .trust-band,
  .product-grid,
  .category-grid,
  .product-showcase,
  .catalog-grid,
  .capability-grid,
  .case-grid,
  .insight-grid,
  .split-section,
  .solution-layout,
  .factory-layout,
  .detail-hero,
  .detail-grid,
  .faq-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .trust-band div {
    min-height: 92px;
  }

  .section,
  .split-section,
  .solution-section,
  .faq-section,
  .contact-section {
    padding-top: 58px;
    padding-bottom: 58px;
  }

  .category-card,
  .category-card.feature,
  .blueprint-panel {
    min-height: 320px;
  }

  .inquiry-form {
    padding: 18px;
  }
}
