/* ===========================
   Deep Mount RO — Custom CSS
   =========================== */

:root {
  --brand-orange: #E8671A;
  --brand-orange-dark: #c4531200;
  --brand-orange-light: #f7e8de;
  --brand-white: #ffffff;
  --text-dark: #1a1a1a;
  --text-muted: #6c757d;
  --bg-light: #fafafa;
  --bg-section: #f5f5f5;
  --border-light: #e8e8e8;
}

* {
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--text-dark);
  background: var(--brand-white);
  scroll-behavior: smooth;
}

/* ======= NAVBAR ======= */
.navbar-brand-text {
  line-height: 1.1;
}
.navbar-brand-text .brand-name {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--brand-orange);
  letter-spacing: -0.5px;
}
.navbar-brand-text .brand-sub {
  font-size: 0.65rem;
  color: #888;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}
.navbar-brand-text .brand-iso {
  font-size: 0.6rem;
  color: var(--brand-orange);
  font-weight: 600;
}

.navbar {
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  padding: 10px 0;
}

.navbar .nav-link {
  font-weight: 500;
  color: #333 !important;
  padding: 8px 16px !important;
  border-radius: 6px;
  transition: all 0.2s;
  font-size: 0.93rem;
}
.navbar .nav-link:hover,
.navbar .nav-link.active {
  color: var(--brand-orange) !important;
  background: var(--brand-orange-light);
}

.btn-brand {
  background: var(--brand-orange);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  padding: 10px 24px;
  transition: all 0.2s;
}
.btn-brand:hover {
  background: #c95a12;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(232,103,26,0.3);
}
.btn-brand-outline {
  border: 2px solid var(--brand-orange);
  color: var(--brand-orange);
  background: transparent;
  border-radius: 8px;
  font-weight: 600;
  padding: 8px 24px;
  transition: all 0.2s;
}
.btn-brand-outline:hover {
  background: var(--brand-orange);
  color: #fff;
}

/* ======= HERO ======= */
.hero-section {
  background: linear-gradient(135deg, #fff9f5 0%, #fff3ea 50%, #fff 100%);
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.hero-section::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(232,103,26,0.08) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--brand-orange-light);
  color: var(--brand-orange);
  border-radius: 50px;
  padding: 6px 16px;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 20px;
}
.hero-title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  color: #111;
}
.hero-title span {
  color: var(--brand-orange);
}
.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 480px;
}
.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 32px;
}
.hero-stat-num {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--brand-orange);
  line-height: 1;
}
.hero-stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
}
.hero-img-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-img-wrap img {
  max-height: 520px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 20px 40px rgba(0,0,0,0.12));
  animation: float 4s ease-in-out infinite;
}
.hero-img-badge {
  position: absolute;
  background: #fff;
  border-radius: 12px;
  padding: 10px 16px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  font-size: 0.8rem;
  font-weight: 600;
}
.hero-img-badge.badge-iso {
  top: 10%;
  left: 0;
  color: var(--brand-orange);
}
.hero-img-badge.badge-pure {
  bottom: 15%;
  right: 0;
  color: #2E8A59;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* ======= TRUST BAR ======= */
.trust-bar {
  background: var(--brand-orange);
  padding: 18px 0;
  color: #fff;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  font-weight: 600;
}
.trust-icon {
  width: 32px;
  height: 32px;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  flex-shrink: 0;
}

/* ======= SECTION COMMONS ======= */
.section-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--brand-orange);
}
.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 800;
  color: #111;
  line-height: 1.25;
}
.section-title span {
  color: var(--brand-orange);
}
.section-desc {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 560px;
  margin: 0 auto;
}

/* ======= FEATURES ======= */
.features-section {
  padding: 80px 0;
  background: var(--bg-light);
}
.feature-card {
  background: #fff;
  border-radius: 16px;
  padding: 28px 24px;
  height: 100%;
  border: 1px solid var(--border-light);
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--brand-orange);
  border-radius: 4px 0 0 4px;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(232,103,26,0.12);
  border-color: var(--brand-orange);
}
.feature-icon {
  width: 54px;
  height: 54px;
  background: var(--brand-orange-light);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 16px;
}
.feature-title {
  font-size: 1rem;
  font-weight: 700;
  color: #111;
  margin-bottom: 8px;
}
.feature-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

/* ======= PRODUCTS ======= */
.products-section {
  padding: 80px 0;
  background: #fff;
}
.product-card {
  background: #fff;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: all 0.3s;
  height: 100%;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(232,103,26,0.15);
  border-color: var(--brand-orange);
}
.product-img-wrap {
  background: #f8f8f8;
  padding: 32px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.product-img-wrap::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--brand-orange);
}
.product-img-wrap img {
  height: 200px;
  width: auto;
  object-fit: contain;
  transition: transform 0.4s;
}
.product-card:hover .product-img-wrap img {
  transform: scale(1.05);
}
.product-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--brand-orange);
  color: #fff;
  border-radius: 50px;
  padding: 4px 10px;
  font-size: 0.72rem;
  font-weight: 700;
}
.product-body {
  padding: 20px 22px 24px;
}
.product-name {
  font-size: 1.05rem;
  font-weight: 800;
  color: #111;
  margin-bottom: 4px;
}
.product-variant {
  font-size: 0.78rem;
  color: var(--brand-orange);
  font-weight: 600;
  margin-bottom: 12px;
}
.product-stage-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: #fff3ea;
  color: var(--brand-orange);
  border-radius: 6px;
  padding: 3px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 12px;
}
.product-features {
  list-style: none;
  padding: 0;
  margin: 0;
}
.product-features li {
  font-size: 0.83rem;
  color: #555;
  padding: 3px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.product-features li::before {
  content: '✓';
  color: var(--brand-orange);
  font-weight: 700;
  font-size: 0.85rem;
}

/* ======= FILTRATION STAGES ======= */
.stages-section {
  padding: 80px 0;
  background: var(--bg-section);
}
.stage-step {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border-light);
}
.stage-step:last-child {
  border-bottom: none;
}
.stage-number {
  width: 44px;
  height: 44px;
  background: var(--brand-orange);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  flex-shrink: 0;
}
.stage-content h6 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #111;
  margin-bottom: 4px;
}
.stage-content p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.5;
}

/* ======= WHY CHOOSE ======= */
.why-section {
  padding: 80px 0;
  background: #fff;
}
.why-card {
  text-align: center;
  padding: 32px 20px;
  border-radius: 16px;
  border: 1px solid var(--border-light);
  transition: all 0.3s;
  height: 100%;
}
.why-card:hover {
  border-color: var(--brand-orange);
  box-shadow: 0 8px 28px rgba(232,103,26,0.1);
  transform: translateY(-3px);
}
.why-icon {
  width: 64px;
  height: 64px;
  background: var(--brand-orange-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin: 0 auto 16px;
}
.why-title {
  font-size: 1rem;
  font-weight: 700;
  color: #111;
  margin-bottom: 8px;
}
.why-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

/* ======= CTA BANNER ======= */
.cta-section {
  background: linear-gradient(135deg, var(--brand-orange), #c95a12);
  padding: 64px 0;
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 300px;
  height: 300px;
  background: rgba(255,255,255,0.06);
  border-radius: 50%;
}
.cta-section::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -80px;
  width: 400px;
  height: 400px;
  background: rgba(255,255,255,0.04);
  border-radius: 50%;
}
.cta-title {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 800;
  margin-bottom: 12px;
}
.cta-sub {
  font-size: 1rem;
  opacity: 0.88;
  margin-bottom: 28px;
}
.btn-white {
  background: #fff;
  color: var(--brand-orange);
  border: none;
  border-radius: 8px;
  font-weight: 700;
  padding: 12px 32px;
  font-size: 1rem;
  transition: all 0.2s;
}
.btn-white:hover {
  background: #f5f5f5;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}
.btn-white-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.7);
  border-radius: 8px;
  font-weight: 700;
  padding: 10px 32px;
  font-size: 1rem;
  transition: all 0.2s;
}
.btn-white-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
}

/* ======= PAGE HERO ======= */
.page-hero {
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
  color: #fff;
  padding: 80px 0 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23E8671A' fill-opacity='0.06'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.page-hero-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 12px;
  position: relative;
}
.page-hero-title span {
  color: var(--brand-orange);
}
.page-hero-sub {
  font-size: 1rem;
  opacity: 0.75;
  position: relative;
}
.breadcrumb-wrap {
  position: relative;
  margin-top: 16px;
}
.breadcrumb-item, .breadcrumb-item a {
  color: rgba(255,255,255,0.6);
  font-size: 0.85rem;
  text-decoration: none;
}
.breadcrumb-item.active, .breadcrumb-item a:hover {
  color: var(--brand-orange);
}
.breadcrumb-item + .breadcrumb-item::before {
  color: rgba(255,255,255,0.4);
}

/* ======= GALLERY ======= */
.gallery-section {
  padding: 80px 0;
  background: #fff;
}
.gallery-item {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
  background: #f8f8f8;
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.5s;
  padding: 16px;
}
.gallery-item:hover img {
  transform: scale(1.06);
}
.gallery-item .gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(232,103,26,0.85) 100%);
  display: flex;
  align-items: flex-end;
  padding: 20px;
  opacity: 0;
  transition: opacity 0.3s;
}
.gallery-item:hover .gallery-overlay {
  opacity: 1;
}
.gallery-overlay-text {
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
}
.gallery-filter-btn {
  border: 2px solid var(--border-light);
  background: #fff;
  color: #555;
  border-radius: 50px;
  padding: 6px 20px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.gallery-filter-btn:hover,
.gallery-filter-btn.active {
  border-color: var(--brand-orange);
  background: var(--brand-orange);
  color: #fff;
}

/* ======= CONTACT ======= */
.contact-section {
  padding: 80px 0;
  background: #fff;
}
.contact-card {
  background: #fff;
  border-radius: 20px;
  padding: 40px;
  border: 1px solid var(--border-light);
  box-shadow: 0 4px 24px rgba(0,0,0,0.05);
  height: 100%;
}
.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border-light);
}
.contact-info-item:last-child {
  border-bottom: none;
}
.contact-info-icon {
  width: 48px;
  height: 48px;
  background: var(--brand-orange-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
  color: var(--brand-orange);
}
.contact-info-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--brand-orange);
  margin-bottom: 4px;
}
.contact-info-value {
  font-size: 0.95rem;
  color: #333;
  font-weight: 500;
  margin: 0;
}
.form-control:focus, .form-select:focus {
  border-color: var(--brand-orange);
  box-shadow: 0 0 0 0.25rem rgba(232,103,26,0.15);
}
.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: #444;
  margin-bottom: 6px;
}
.form-control, .form-select {
  border-radius: 10px;
  border-color: var(--border-light);
  padding: 10px 14px;
  font-size: 0.92rem;
}

/* ======= ABOUT ======= */
.about-section {
  padding: 80px 0;
}
.about-img-wrap {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
}
.about-img-wrap img {
  width: 100%;
  height: 460px;
  object-fit: contain;
  background: #f8f8f8;
  border-radius: 20px;
  padding: 32px;
}
.about-badge-floating {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: var(--brand-orange);
  color: #fff;
  border-radius: 14px;
  padding: 14px 20px;
  text-align: center;
  min-width: 110px;
}
.about-badge-num {
  font-size: 1.8rem;
  font-weight: 800;
  line-height: 1;
}
.about-badge-label {
  font-size: 0.7rem;
  opacity: 0.9;
  font-weight: 500;
}
.cert-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--brand-orange-light);
  border-radius: 50px;
  padding: 8px 18px;
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--brand-orange);
  margin: 4px 6px 4px 0;
}

/* ======= SERVICE TABS ======= */
.service-tab-btn {
  border: 2px solid var(--border-light);
  background: #fff;
  color: #444;
  border-radius: 12px;
  padding: 16px 24px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  text-align: left;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.service-tab-btn:hover,
.service-tab-btn.active {
  border-color: var(--brand-orange);
  background: var(--brand-orange);
  color: #fff;
}
.service-tab-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(232,103,26,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.service-tab-btn.active .service-tab-icon {
  background: rgba(255,255,255,0.2);
}
.service-content-panel {
  display: none;
}
.service-content-panel.active {
  display: block;
}

/* ======= FOOTER ======= */
.footer {
  background: #111;
  color: #aaa;
  padding: 60px 0 0;
}
.footer-brand-name {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--brand-orange);
}
.footer-brand-sub {
  font-size: 0.7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #666;
  margin-top: 2px;
}
.footer-title {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: #fff;
  margin-bottom: 20px;
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  color: #999;
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.2s;
  display: flex;
  align-items: center;
  gap: 6px;
}
.footer-links a::before {
  content: '›';
  color: var(--brand-orange);
  font-weight: 700;
}
.footer-links a:hover {
  color: var(--brand-orange);
}
.footer-desc {
  font-size: 0.88rem;
  line-height: 1.7;
  color: #888;
  margin-top: 12px;
}
.footer-bottom {
  border-top: 1px solid #222;
  padding: 20px 0;
  margin-top: 48px;
}
.footer-bottom p {
  margin: 0;
  font-size: 0.82rem;
  color: #666;
}
.social-links a {
  width: 36px;
  height: 36px;
  background: #1e1e1e;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #888;
  font-size: 0.9rem;
  margin-left: 8px;
  transition: all 0.2s;
  text-decoration: none;
}
.social-links a:hover {
  background: var(--brand-orange);
  color: #fff;
}
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 0.85rem;
  color: #888;
}
.footer-contact-item span:first-child {
  color: var(--brand-orange);
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ======= LIGHTBOX ======= */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
}
.lightbox-overlay.open {
  display: flex;
}
.lightbox-img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 8px;
}
.lightbox-close {
  position: absolute;
  top: 24px;
  right: 32px;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
  background: none;
  border: none;
}
.lightbox-caption {
  position: absolute;
  bottom: 24px;
  left: 0;
  right: 0;
  text-align: center;
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
}

/* ======= SCROLL REVEAL ======= */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ======= RESPONSIVE ======= */
@media (max-width: 768px) {
  .hero-stats { gap: 20px; }
  .hero-img-wrap img { max-height: 320px; }
  .contact-card { padding: 24px; }
  .about-img-wrap img { height: 280px; }
  .trust-item { justify-content: center; }
}
@media (max-width: 576px) {
  .hero-section { min-height: auto; padding: 60px 0 40px; }
  .hero-title { font-size: 1.8rem; }
}