:root {
  --primary: #d45141;
  --dark: #1a2a2f;
  --cream: #f9f5f0;
}

body {
  font-family: "Inter", sans-serif;
  background-color: var(--cream);
  color: #444;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: "Playfair Display", serif;
  font-weight: 700;
  color: var(--dark);
}

/* ── Navbar ── */
.navbar-sago {
  background-color: #fff;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
}

.navbar-sago .navbar-brand {
  font-family: "Playfair Display", serif;
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: 0.5px;
  color: var(--dark) !important;
}

.navbar-sago .nav-link {
  color: #444 !important;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 1.25rem !important;
  transition: color 0.2s;
  position: relative;
}

.navbar-sago .nav-link:hover,
.navbar-sago .nav-link.active {
  color: var(--primary) !important;
}

.navbar-sago .nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 1.25rem;
  right: 1.25rem;
  height: 2px;
  background-color: var(--primary);
  transform: scaleX(0);
  transition: transform 0.3s;
}

.navbar-sago .nav-link:hover::after,
.navbar-sago .nav-link.active::after {
  transform: scaleX(1);
}

.navbar-sago .navbar-toggler {
  border-color: rgba(0, 0, 0, 0.1);
}

.navbar-sago .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(26,42,47,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.btn-primary-custom {
  background-color: var(--primary);
  border: 2px solid var(--primary);
  border-radius: 8px;
  padding: 0.5rem 1.75rem;
  font-weight: 600;
  color: #fff;
  transition: all 0.25s;
}

.btn-primary-custom:hover {
  background-color: transparent;
  color: var(--primary);
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(212, 81, 65, 0.3);
}

.btn-outline-danger {
  --bs-btn-border-radius: 8px;
  --bs-btn-border-width: 2px;
}

/* ── Hero Carousel ── */

.hero-carousel .carousel-item {
  height: 85vh;
  min-height: 500px;
}

.hero-carousel .carousel-item img {
  object-fit: cover;
  height: 100%;
}

.hero-carousel .carousel-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(26, 42, 47, 0.9) 0%,
    rgba(26, 42, 47, 0.3) 100%
  );
  z-index: 1;
}

.hero-carousel .carousel-caption {
  z-index: 2;
  bottom: 50%;
  transform: translateY(50%);
  text-align: left;
  left: 10%;
  right: 10%;
  max-width: 680px;
}

.hero-carousel .carousel-caption h1 {
  font-size: 3.75rem;
  margin-bottom: 1rem;
  color: #fff;
  line-height: 1.15;
}

.hero-carousel .carousel-caption p {
  font-size: 1.15rem;
  line-height: 1.7;
  opacity: 0.9;
  color: rgba(255, 255, 255, 0.9);
}

.hero-carousel .carousel-indicators button {
  width: 40px;
  height: 4px;
  border-radius: 2px;
  margin: 0 4px;
}

/* ── Sections ── */
section {
  padding: 6rem 0;
}

section#home,
section#category-page {
  padding-top: 0 !important;
}

section[id] {
  scroll-margin-top: 90px;
}

.category-section:nth-child(even) {
  background-color: #fff;
}

.category-section .badge {
  font-family: "Inter", sans-serif;
  font-weight: 600;
  letter-spacing: 1px;
  padding: 0.4rem 1rem;
  border-radius: 6px;
}

.category-img {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.category-img img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  transition: transform 0.5s ease;
  display: block;
}

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

.category-content h3 {
  font-size: 2.25rem;
  margin-bottom: 1.25rem;
}

.category-content p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #555;
}

/* ── Footer ── */
.footer {
  background-color: #fff;
  border-top: 1px solid #eee;
  padding-top: 4rem;
  padding-bottom: 1.5rem;
}

.footer h5 {
  font-family: "Playfair Display", serif;
  font-size: 1.2rem;
  margin-bottom: 1.25rem;
  color: var(--dark);
}

.footer .social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--cream);
  color: var(--dark);
  font-size: 1.2rem;
  margin-right: 0.5rem;
  transition: all 0.25s;
  text-decoration: none;
}

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

.footer a {
  color: #555;
  text-decoration: none;
  transition: color 0.2s;
}

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

.footer .list-unstyled i {
  width: 20px;
  color: var(--primary);
}

.footer-divider {
  border-color: #eee;
  margin: 2.5rem 0 1.5rem;
}

/* ── Responsive ── */
@media (max-width: 991px) {
  .hero-carousel .carousel-item {
    height: 70vh;
    min-height: 400px;
  }
  .hero-carousel .carousel-caption h1 {
    font-size: 2.75rem;
  }
  .category-content h3 {
    font-size: 1.75rem;
  }
  .category-img img {
    height: 360px;
  }
}

@media (max-width: 768px) {
  .hero-carousel .carousel-item {
    height: 60vh;
    min-height: 350px;
  }
  .hero-carousel .carousel-caption {
    left: 5%;
    right: 5%;
    text-align: center;
  }
  .hero-carousel .carousel-caption h1 {
    font-size: 2rem;
  }
  .hero-carousel .carousel-caption p {
    font-size: 0.95rem;
  }
  section {
    padding: 4rem 0;
  }
  .category-img img {
    height: 280px;
  }
  .category-content h3 {
    font-size: 1.5rem;
  }
}

@media (max-width: 576px) {
  .hero-carousel .carousel-item {
    height: 50vh;
    min-height: 300px;
  }
  .hero-carousel .carousel-caption h1 {
    font-size: 1.6rem;
  }
  .hero-carousel .carousel-caption .btn-lg {
    padding: 0.4rem 1rem;
    font-size: 0.85rem;
  }
}

/* ── Category Page ── */
.category-page {
  background-color: var(--cream);
  min-height: 70vh;
}

.category-title {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--dark);
}

#category-title {
  text-align: center;
}

.category-description {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #666;
  max-width: 800px;
  text-align: center;
  margin: auto;
}

.back-home-btn {
  font-size: 0.9rem;
  padding: 0.35rem 1rem;
  border-radius: 6px;
}

/* ── Product Cards ── */
.product-card {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  transition:
    transform 0.35s ease,
    box-shadow 0.35s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
  opacity: 0;
  transform: translateY(30px);
}

.product-card.animate-in {
  animation: cardSlideIn 0.6s ease forwards;
}

.product-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), rgba(212, 81, 65, 0.6));
  z-index: 2;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 40px rgba(212, 81, 65, 0.15);
}

.product-card-img-wrap {
  overflow: hidden;
  position: relative;
}

.product-card-img-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent 60%,
    rgba(26, 42, 47, 0.15) 100%
  );
  opacity: 0;
  transition: opacity 0.35s ease;
}

.product-card:hover .product-card-img-wrap::after {
  opacity: 1;
}

.product-card-img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  transition: transform 0.5s ease;
  display: block;
}

.product-card:hover .product-card-img {
  transform: scale(1.05);
}

.product-card-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 3;
  background: var(--primary);
  color: #fff;
  font-family: "Inter", sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.3rem 0.75rem;
  border-radius: 20px;
  letter-spacing: 0.3px;
  box-shadow: 0 2px 8px rgba(212, 81, 65, 0.3);
}

.product-card-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-card-name {
  font-family: "Playfair Display", serif;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--dark);
  margin-bottom: 0.5rem;
}

.product-card-desc {
  font-size: 0.88rem;
  line-height: 1.65;
  color: #666;
  flex-grow: 1;
  margin-bottom: 0.75rem;
}

.product-card-keyfeatures {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 0.75rem 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card-keyfeatures li {
  font-size: 0.85rem;
  line-height: 1.5;
  color: #555;
  padding-left: 1.1rem;
  position: relative;
  margin-bottom: 0.2rem;
}

.product-card-keyfeatures li::before {
  content: "•";
  color: var(--primary);
  position: absolute;
  left: 0;
  font-weight: 700;
}

.product-card-buttons {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.product-card-buttons .btn-quote,
.product-card-buttons .btn-detail {
  flex: 1;
  min-width: 0;
  padding: 0.55rem 0.75rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.85rem;
  text-align: center;
  text-decoration: none;
  transition: all 0.25s ease;
}

.product-card-buttons .btn-quote {
  background: var(--primary);
  color: #fff;
  border: 2px solid var(--primary);
}

.product-card-buttons .btn-quote:hover {
  background: transparent;
  color: var(--primary);
}

.product-card-buttons .btn-detail {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

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

@keyframes cardSlideIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes headerSlideIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.category-title.animate-in {
  animation: headerSlideIn 0.6s ease forwards;
}

@media (max-width: 768px) {
  .product-card-img {
    height: 180px;
  }
  .product-card-body {
    padding: 1rem;
  }
  .product-card-name {
    font-size: 1rem;
  }
  .product-card-buttons {
    flex-direction: column;
  }
}

/* ── Product Detail Page ── */
.text-primary-custom {
  color: var(--primary) !important;
}

.product-detail-page .breadcrumb {
  background: transparent;
  padding: 0;
  font-size: 0.9rem;
}

.product-detail-page .breadcrumb-item a {
  color: #555;
  text-decoration: none;
  transition: color 0.2s;
}

.product-detail-page .breadcrumb-item a:hover {
  color: var(--primary);
}

.product-detail-page .breadcrumb-item.active {
  color: #666;
}

.product-detail-img {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.product-detail-img img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  display: block;
}

.product-detail-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.2;
}

.product-info-grid {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1rem;
  background: var(--cream);
  border-radius: 10px;
}

.info-item i {
  font-size: 1.5rem;
  color: var(--primary);
  width: 32px;
  text-align: center;
}

.info-item .info-label {
  display: block;
  font-size: 0.8rem;
  color: #888;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.info-item .info-value {
  display: block;
  font-size: 0.95rem;
  color: var(--dark);
  font-weight: 500;
}

.info-item .info-value small {
  font-size: 0.78rem;
  color: #888;
  font-weight: 400;
}

.section-subtitle {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.section-subtitle i {
  color: var(--primary);
}

.product-description p {
  font-size: 1.05rem;
  line-height: 1.85;
  color: #555;
}

.feature-card {
  background: #fff;
  border-radius: 12px;
  padding: 2rem 1.25rem;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  height: 100%;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 30px rgba(212, 81, 65, 0.12);
}

.feature-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), rgba(212, 81, 65, 0.7));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
}

.feature-icon i {
  font-size: 1.6rem;
  color: #fff;
}

.feature-card h5 {
  font-family: "Inter", sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--dark);
  margin: 0;
  line-height: 1.5;
}

.step-card {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  margin-bottom: 1.5rem;
}

.step-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: linear-gradient(135deg, var(--dark), #2a3a3f);
  color: #fff;
}

.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Playfair Display", serif;
  font-weight: 700;
  font-size: 1.25rem;
  color: #fff;
  flex-shrink: 0;
}

.step-header h3 {
  font-family: "Inter", sans-serif;
  font-size: 1.15rem;
  font-weight: 600;
  color: #fff;
  margin: 0;
}

.step-content {
  padding: 1.5rem;
}

.processing-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.processing-list li {
  font-size: 0.95rem;
  line-height: 1.7;
  color: #555;
  padding-left: 1.25rem;
  position: relative;
  margin-bottom: 0.4rem;
}

.processing-list li::before {
  content: "✓";
  color: var(--primary);
  position: absolute;
  left: 0;
  font-weight: 700;
}

.tools-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.tool-tag {
  display: inline-flex;
  align-items: center;
  background: var(--cream);
  padding: 0.6rem 1.1rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--dark);
  transition: all 0.2s;
}

.tool-tag:hover {
  background: var(--primary);
  color: #fff;
}

.tool-tag i {
  color: var(--primary);
}

.tool-tag:hover i {
  color: #fff;
}

.mixing-ratio {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.ratio-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--cream);
  padding: 1rem 1.25rem;
  border-radius: 10px;
  flex: 1;
  min-width: 180px;
  justify-content: center;
}

.ratio-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), rgba(212, 81, 65, 0.7));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.ratio-icon i {
  color: #fff;
  font-size: 1.1rem;
}

.ratio-info {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.ratio-amount {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dark);
}

.ratio-name {
  font-size: 0.82rem;
  color: #666;
}

.ratio-divider {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.mixing-instruction {
  background: var(--cream);
  padding: 1.25rem;
  border-radius: 10px;
  border-left: 4px solid var(--primary);
}

.mixing-instruction p {
  font-size: 1rem;
  line-height: 1.75;
  color: #444;
}

.param-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--cream);
  padding: 1.25rem;
  border-radius: 10px;
  height: 100%;
}

.param-card i {
  font-size: 2rem;
  color: var(--primary);
  width: 48px;
  text-align: center;
  flex-shrink: 0;
}

.param-label {
  display: block;
  font-size: 0.78rem;
  color: #888;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.param-value {
  display: block;
  font-size: 1.05rem;
  color: var(--dark);
  font-weight: 500;
}

.param-value small {
  font-size: 0.78rem;
  color: #888;
  font-weight: 400;
}

.notes-card {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.note-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid #f0f0f0;
  transition: background 0.2s;
}

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

.note-item:hover {
  background: var(--cream);
}

.note-item i {
  font-size: 1.25rem;
  color: var(--primary);
  width: 24px;
  text-align: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.note-item span {
  font-size: 0.95rem;
  line-height: 1.65;
  color: #555;
}

/* ── Responsive ── */
@media (max-width: 991px) {
  .product-detail-title {
    font-size: 2rem;
  }
  .product-detail-img img {
    height: 400px;
  }
}

@media (max-width: 768px) {
  .product-detail-title {
    font-size: 1.65rem;
  }
  .product-detail-img img {
    height: 300px;
  }
  .section-subtitle {
    font-size: 1.35rem;
  }
  .info-item {
    padding: 0.6rem 0.75rem;
  }
  .mixing-ratio {
    flex-direction: column;
  }
  .ratio-item {
    width: 100%;
  }
  .ratio-divider {
    font-size: 1.2rem;
  }
  .step-header {
    padding: 1rem 1.25rem;
  }
  .feature-card {
    padding: 1.5rem 1rem;
  }
}

/* ═══════════════════════════════════════════
   MODERN PRODUCT DETAIL — BT-11A REDESIGN
   ═══════════════════════════════════════════ */

.text-primary-custom {
  color: var(--primary) !important;
}

.product-detail-page .breadcrumb {
  background: transparent;
  padding: 0;
  font-size: 0.85rem;
}

.product-detail-page .breadcrumb-item a {
  color: #999;
  text-decoration: none;
  transition: color 0.2s;
}

.product-detail-page .breadcrumb-item a:hover,
.product-detail-page .breadcrumb-item a:focus {
  color: var(--primary);
}

.product-detail-page .breadcrumb-item.active {
  color: #555;
  font-weight: 500;
}

/* ── Hero Section ── */
.product-hero {
  padding: 3rem 0 2rem;
  position: relative;
}

.hero-image-wrap {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
}

.hero-image-glow {
  position: absolute;
  inset: -40px;
  background: radial-gradient(ellipse at center, rgba(212, 81, 65, 0.18) 0%, transparent 70%);
  z-index: 0;
  pointer-events: none;
}

.hero-image {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 560px;
  object-fit: cover;
  display: block;
  border-radius: 16px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.12);
  transition: transform 0.6s ease;
}

.hero-image-wrap:hover .hero-image {
  transform: scale(1.02);
}

.hero-content {
  padding: 3rem 0 3rem 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: linear-gradient(135deg, rgba(212, 81, 65, 0.12), rgba(212, 81, 65, 0.06));
  color: var(--primary);
  font-family: "Inter", sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.45rem 1rem;
  border-radius: 20px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  width: fit-content;
  border: 1px solid rgba(212, 81, 65, 0.15);
}

.hero-title {
  font-family: "Playfair Display", serif;
  font-size: 3.25rem;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.12;
  margin: 0;
  letter-spacing: -0.5px;
}

.hero-subtitle {
  font-size: 1.05rem;
  line-height: 1.7;
  color: #666;
  margin: 0;
  max-width: 460px;
}

/* Hero Info Grid */
.hero-info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-top: 0.25rem;
}

.hero-info-card {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  background: #fff;
  border-radius: 12px;
  padding: 0.85rem 1rem;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  border: 1px solid #f0f0f0;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.hero-info-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(212, 81, 65, 0.08);
}

.hero-info-card i {
  font-size: 1.35rem;
  color: var(--primary);
  width: 36px;
  text-align: center;
  flex-shrink: 0;
}

.hero-info-label {
  display: block;
  font-size: 0.72rem;
  color: #999;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.hero-info-value {
  display: block;
  font-size: 0.9rem;
  color: var(--dark);
  font-weight: 500;
  margin-top: 1px;
}

/* Hero Actions */
.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 0.5rem;
  flex-wrap: wrap;
}

.btn-hero-cta {
  background: var(--primary);
  border: none;
  color: #fff;
  font-family: "Inter", sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.8rem 1.75rem;
  border-radius: 10px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 16px rgba(212, 81, 65, 0.25);
}

.btn-hero-cta:hover {
  background: #c04538;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(212, 81, 65, 0.35);
  color: #fff;
}

.btn-hero-cta i {
  font-size: 1.1rem;
}

.btn-hero-back {
  background: transparent;
  border: 2px solid #ddd;
  color: #666;
  font-family: "Inter", sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
}

.btn-hero-back:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

/* ── Section Layout ── */
.section-padding {
  padding: 5rem 0;
}

.section-tag {
  display: inline-block;
  background: linear-gradient(135deg, rgba(212, 81, 65, 0.1), rgba(212, 81, 65, 0.04));
  color: var(--primary);
  font-family: "Inter", sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 0.35rem 0.9rem;
  border-radius: 4px;
  margin-bottom: 1rem;
}

.section-heading {
  font-family: "Playfair Display", serif;
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.25;
  margin-bottom: 1.75rem;
}

.content-text p {
  font-size: 1.05rem;
  line-height: 1.85;
  color: #555;
  margin-bottom: 1.25rem;
}

.content-text p strong {
  color: var(--dark);
}

.content-text p em {
  color: var(--primary);
  font-style: normal;
  font-weight: 500;
}

/* ── Applications ── */
.app-card {
  background: #fff;
  border-radius: 14px;
  padding: 2rem 1.25rem;
  text-align: center;
  border: 1px solid #f0f0f0;
  transition: all 0.3s ease;
}

.app-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(212, 81, 65, 0.1);
  border-color: rgba(212, 81, 65, 0.15);
}

.app-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), rgba(212, 81, 65, 0.85));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
}

.app-icon i {
  font-size: 1.4rem;
  color: #fff;
}

.app-card h5 {
  font-family: "Inter", sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 0.5rem;
}

.app-card p {
  font-size: 0.88rem;
  line-height: 1.6;
  color: #777;
  margin: 0;
}

/* ── Features Modern ── */
.feature-modern {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  background: #fff;
  border-radius: 14px;
  padding: 1.75rem;
  border: 1px solid #f0f0f0;
  transition: all 0.3s ease;
}

.feature-modern:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(212, 81, 65, 0.08);
  border-color: rgba(212, 81, 65, 0.12);
}

.feature-number {
  font-family: "Playfair Display", serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: rgba(212, 81, 65, 0.1);
  line-height: 1;
  flex-shrink: 0;
  width: 52px;
  text-align: center;
}

.feature-modern-content {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  flex: 1;
}

.feature-modern-content i {
  font-size: 1.5rem;
  color: var(--primary);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(212, 81, 65, 0.1), rgba(212, 81, 65, 0.04));
  border-radius: 10px;
  flex-shrink: 0;
}

.feature-modern-content h4 {
  font-family: "Inter", sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--dark);
  margin: 0;
}

.feature-modern-content p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: #666;
  margin: 0;
}

/* ── Steps Modern ── */
.step-modern {
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
  border: 1px solid #f0f0f0;
  transition: box-shadow 0.3s ease;
}

.step-modern:hover {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.07);
}

.step-modern-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.75rem;
  background: var(--dark);
  position: relative;
  overflow: hidden;
}

.step-modern-header::after {
  content: "";
  position: absolute;
  right: -20px;
  top: -20px;
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, rgba(212, 81, 65, 0.25) 0%, transparent 70%);
  pointer-events: none;
}

.step-modern-number {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Playfair Display", serif;
  font-weight: 700;
  font-size: 1.15rem;
  color: #fff;
  flex-shrink: 0;
  z-index: 1;
}

.step-modern-header h3 {
  font-family: "Inter", sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  color: #fff;
  margin: 0;
  z-index: 1;
}

.step-modern-content {
  padding: 1.75rem;
}

.sub-step-title {
  font-family: "Inter", sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 0.75rem;
}

.sub-step-title i {
  color: var(--primary);
  font-size: 1.1rem;
}

.step-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.step-list li {
  font-size: 0.92rem;
  line-height: 1.7;
  color: #555;
  padding-left: 1.25rem;
  position: relative;
  margin-bottom: 0.35rem;
}

.step-list li::before {
  content: "✓";
  color: var(--primary);
  position: absolute;
  left: 0;
  font-weight: 700;
  font-size: 0.85rem;
}

/* Tools Modern */
.tools-modern {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 0.75rem;
}

.tool-modern {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--cream);
  padding: 0.55rem 1rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--dark);
  transition: all 0.2s;
}

.tool-modern i {
  color: var(--primary);
  font-size: 1.1rem;
}

.tool-modern:hover {
  background: var(--primary);
  color: #fff;
}

.tool-modern:hover i {
  color: #fff;
}

.tool-note {
  font-size: 0.85rem;
  color: #888;
  font-style: italic;
}

/* Mix Ratio Modern */
.mix-ratio-modern {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.mix-item {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  background: var(--cream);
  padding: 0.85rem 1.1rem;
  border-radius: 10px;
  flex: 1;
  min-width: 160px;
  justify-content: center;
}

.mix-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), rgba(212, 81, 65, 0.8));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.mix-icon i {
  color: #fff;
  font-size: 1rem;
}

.mix-info {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.mix-amount {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dark);
}

.mix-label {
  font-size: 0.78rem;
  color: #888;
  font-weight: 500;
}

.mix-plus {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--primary);
}

/* Mix Hint */
.mix-hint {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--cream);
  padding: 1.25rem;
  border-radius: 10px;
}

.mix-hint i {
  font-size: 1.5rem;
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.mix-hint p {
  font-size: 0.95rem;
  line-height: 1.75;
  color: #444;
}

/* Param Modern */
.param-modern {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--cream);
  padding: 1.15rem;
  border-radius: 10px;
  height: 100%;
}

.param-modern i {
  font-size: 1.8rem;
  color: var(--primary);
  width: 44px;
  text-align: center;
  flex-shrink: 0;
}

.param-modern .param-label {
  display: block;
  font-size: 0.75rem;
  color: #999;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.param-modern .param-value {
  display: block;
  font-size: 1rem;
  color: var(--dark);
  font-weight: 500;
  margin-top: 2px;
}

.param-modern .param-value small {
  font-size: 0.75rem;
  color: #999;
  font-weight: 400;
}

/* ── FAQ Accordion ── */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  background: #fff;
  border-radius: 12px;
  border: 1px solid #eee;
  overflow: hidden;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.faq-item:hover {
  border-color: rgba(212, 81, 65, 0.2);
}

.faq-item[open] {
  border-color: rgba(212, 81, 65, 0.3);
  box-shadow: 0 4px 20px rgba(212, 81, 65, 0.06);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.15rem 1.35rem;
  margin: 0;
  cursor: pointer;
  font-family: "Inter", sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--dark);
  list-style: none;
  transition: color 0.2s;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question:hover {
  color: var(--primary);
}

.faq-question span {
  flex: 1;
  padding-right: 1rem;
}

.faq-question i {
  font-size: 1.25rem;
  color: #bbb;
  transition: all 0.3s ease;
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--cream);
}

.faq-item[open] .faq-question i {
  color: var(--primary);
  transform: rotate(45deg);
  background: rgba(212, 81, 65, 0.08);
}

.faq-answer {
  padding: 0 1.35rem 1.25rem;
}

.faq-answer p {
  font-size: 0.92rem;
  line-height: 1.75;
  color: #555;
  margin: 0;
}

.faq-answer p strong {
  color: var(--dark);
}

.faq-answer p em {
  color: var(--primary);
  font-style: normal;
  font-weight: 500;
}

/* ── CTA Banner ── */
.cta-banner {
  background: linear-gradient(135deg, var(--dark) 0%, #0f1a1d 100%);
  border-radius: 20px;
  margin: 2rem 0 3rem;
  padding: 3.5rem 3rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(212, 81, 65, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-banner::after {
  content: "";
  position: absolute;
  bottom: -40px;
  left: -40px;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(212, 81, 65, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-content h2 {
  font-family: "Playfair Display", serif;
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.75rem;
}

.cta-content p {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 1.75rem;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-cta-call {
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  font-family: "Inter", sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.8rem 1.5rem;
  border-radius: 10px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
}

.btn-cta-call:hover {
  border-color: var(--primary);
  background: rgba(212, 81, 65, 0.15);
  color: #fff;
  transform: translateY(-2px);
}

/* ── Scroll Reveal ── */
.scroll-reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ── Responsive ── */
@media (max-width: 991px) {
  .hero-title {
    font-size: 2.5rem;
  }
  .hero-image {
    height: 450px;
  }
  .section-heading {
    font-size: 1.85rem;
  }
  .cta-banner {
    padding: 2.5rem 2rem;
  }
  .cta-content h2 {
    font-size: 1.65rem;
  }
}

@media (max-width: 768px) {
  .section-padding {
    padding: 3rem 0;
  }
  .hero-image {
    height: 320px;
  }
  .hero-content {
    padding: 2rem 0 1.5rem;
    gap: 1rem;
  }
  .hero-title {
    font-size: 2rem;
  }
  .hero-subtitle {
    font-size: 0.95rem;
  }
  .hero-info-grid {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .btn-hero-cta,
  .btn-hero-back {
    justify-content: center;
  }
  .section-heading {
    font-size: 1.55rem;
  }
  .feature-modern {
    flex-direction: column;
    gap: 0.75rem;
  }
  .feature-number {
    font-size: 1.8rem;
  }
  .mix-ratio-modern {
    flex-direction: column;
  }
  .mix-item {
    width: 100%;
  }
  .mix-plus {
    transform: rotate(90deg);
  }
  .faq-question {
    font-size: 0.9rem;
    padding: 1rem 1.15rem;
  }
  .cta-banner {
    padding: 2rem 1.25rem;
    border-radius: 14px;
    margin: 1.5rem 0 2.5rem;
  }
  .cta-content h2 {
    font-size: 1.35rem;
  }
  .cta-actions {
    flex-direction: column;
  }
  .btn-hero-cta {
    width: 100%;
    justify-content: center;
  }
}