@import url('https://fonts.googleapis.com/css2?family=Nunito:ital,wght@0,200..1000;1,200..1000&display=swap');

/* ========== GLOBAL DESIGN TOKENS ========== */
:root {
  --primary: #0160B4;
  --primary-dark: #0d1d46;
  --text-default: #222222;
  --text-muted: #555555;
  --white: #F8F9FA;
  --border-dark: #D0D7DE;
  --primary-rgb: 1, 96, 180;
  --shadow-md: 0 .25rem .5rem rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 1.25rem 3.12rem rgba(141, 70, 70, 0.15);
  --shadow-xl: 0 2.5rem 5rem rgba(0, 0, 0, 0.2);
  --shadow-premium: 0 1.5rem 3.75rem rgba(0, 0, 0, 0.3);
  --nav-height: 5rem;
  --ease-premium: cubic-bezier(0.23, 1, 0.32, 1);
  --transition-base: 0.3s ease;
  --transition-smooth: 0.4s var(--ease-premium);
  --border-radius-sm: 0.375rem;
  --border-radius-md: 0.75rem;
  --border-radius-lg: 1rem;
  --border-radius-xl: 1.5rem;
  --border-radius-full: 9999px;
  --border-radius-circle: 50%;
  font-family: "Nunito", sans-serif;
  --font-size-xs: clamp(0.65rem, 0.2vw + 0.6rem, 0.75rem);
  --font-size-sm: clamp(0.75rem, 0.3vw + 0.7rem, 0.875rem);
  --font-size-base: clamp(0.875rem, 0.4vw + 0.7rem, 1rem);
  --font-size-lg: clamp(0.95rem, 0.5vw + 0.8rem, 1.125rem);
  --font-size-xl: clamp(1.05rem, 0.8vw + 0.9rem, 1.25rem);
  --font-size-2xl: clamp(1.25rem, 1vw + 1rem, 1.6rem);
  --font-size-3xl: clamp(1.5rem, 1.5vw + 1.2rem, 2.15rem);
  --font-size-4xl: clamp(1.75rem, 2vw + 1.3rem, 2.75rem);
  --font-size-5xl: clamp(2rem, 3vw + 1.5rem, 3.25rem);
  --spacing-xs: clamp(0.15rem, 0.5vw, 0.25rem);
  --spacing-sm: clamp(0.35rem, 1vw, 0.5rem);
  --spacing-md: clamp(0.75rem, 2vw, 1rem);
  --spacing-lg: clamp(1rem, 3vw, 1.5rem);
  --spacing-xl: clamp(1.25rem, 4vw, 2rem);
  --spacing-2xl: clamp(1.75rem, 5vw, 3rem);
  --spacing-4xl: clamp(3rem, 8vw, 6rem);
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
  --line-height-tight: 1.15;
  --line-height-normal: 1.5;
  --line-height-loose: 1.7;
}

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

html {
  scroll-behavior: smooth;
}

html,
body {
  width: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--font-family);
  color: var(--text-default);
  line-height: var(--line-height-normal);
  font-size: var(--font-size-base);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: var(--primary);
  color: var(--white);
}


/* ========== TYPOGRAPHY ========== */
h1,
h2,
h3,
h4,
h5,
h6 {
  margin-top: 0;
  margin-bottom: var(--spacing-md);
  line-height: var(--line-height-tight);
}

h1 {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-extrabold);
  letter-spacing: -1.5px;
}

h2 {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  letter-spacing: -1px;
}

h3 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-semibold);
  letter-spacing: -0.5px;
}

h4 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
}

h5 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-medium);
}

h6 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
}

p {
  margin-top: 0;
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-loose);
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-base);
}

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

/* ========== BUTTONS ========== */
button,
.btn {
  cursor: pointer;
  font-family: inherit;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  border: none;
  background: none;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius-full);
  transition: all var(--transition-smooth);
}

/* ========== IMAGES ========== */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ========== LISTS ========== */
ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* ========== ANIMATIONS ========== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(1.87rem);
  }

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

@keyframes fadeInUp2 {
  from {
    opacity: 0;
    transform: translateY(1.25rem);
  }

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

@keyframes grdLineReveal {
  from {
    transform: scaleX(0);
  }

  to {
    transform: scaleX(1);
  }
}

.fade-in-up {
  animation: fadeInUp 0.8s var(--ease-premium) forwards;
}

/* ========== HEADER & NAVIGATION ========== */
.navbar-header {
  height: var(--nav-height);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  display: flex;
  align-items: center;
  background: transparent;
  transition: background 0.35s ease, box-shadow 0.35s ease;
  box-shadow: var(--shadow-premium);
}

.navbar-header .nav-link {
  color: var(--white);
}

.navbar-header.scrolled .nav-link,
.navbar-header.inner-page-header .nav-link,
.navbar-header:hover .nav-link {
  color: var(--text-default);
}

.navbar-header.scrolled,
.navbar-header.inner-page-header,
.navbar-header:hover {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-premium);
}

.nav-link {
  display: flex;
  align-items: center;
  height: var(--nav-height);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-lg);
  letter-spacing: 0.5px;
  position: relative;
  transition: color var(--transition-base);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--primary-dark));
  transition: width var(--transition-smooth);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-link:hover {
  color: var(--primary-dark) !important;
}

.logo-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  height: var(--nav-height);
  padding: 0 .95rem;
  transition: transform var(--transition-smooth);
}

.logo-brand:hover {
  transform: translateY(-2px);
}

.brand-icon {
  width: 6.25rem;
  height: 5.3rem;
  display: inline-block;
  background-color: var(--white);
  -webkit-mask-image: url('../image/logo/grd-logo-transparent.png');
  mask-image: url('../image/logo/grd-logo-transparent.png');
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-position: center;
  mask-position: center;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  transition: background-color 0.35s ease;
}

.navbar-header.scrolled .brand-icon,
.navbar-header.inner-page-header .brand-icon,
.navbar-header:hover .brand-icon {
  background-color: var(--primary);
}

.logo-brand:hover .brand-icon {
  background-color: var(--primary);
  transform: scale(1.05);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  height: 100%;
  padding: 0 3rem;
}

.nav-desktop-list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  height: 100%;
  width: 100%;
}

.nav-desktop-list>li {
  display: flex;
  align-items: center;
  height: 100%;
}

.mega-dropdown-wrapper {
  position: static;
  height: 100%;
}

.mega-menu {
  position: absolute;
  top: var(--nav-height);
  left: 0;
  right: 0;
  width: 100%;
  max-height: calc(100vh - var(--nav-height));
  padding: 3rem 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.99) 0%, rgba(250, 251, 252, 0.99) 100%);
  box-shadow: var(--shadow-premium);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-.95rem);
  pointer-events: none;
  transition: all 0.5s var(--ease-premium);
  border-top: 1px solid var(--border-dark);
}

.mega-dropdown-wrapper:hover .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.menu-content-flex {
  display: flex;
  max-width: 1400px;
  margin: 0 auto;
  height: 100%;
}

.image-side {
  flex: 0 0 45%;
  padding: 1.5rem 2rem;
  padding-left: 10rem;
}

.image-viewport {
  width: 100%;
  height: 11.25rem;
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-lg);
}

.image-viewport img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.05);
  transition: opacity 0.8s var(--ease-premium), transform 1.5s var(--ease-premium);
}

.image-viewport img.active {
  opacity: 1;
  transform: scale(1);
}

.image-text h5 {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-semibold);
  text-align: start;
}

.image-text p {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  text-align: start;
}

.list-side {
  flex: 0 0 30%;
  padding: 2rem 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.submenu-list li a {
  padding: 0.6rem 0;
  display: flex;
  font-size: var(--font-size-lg);
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
}

.submenu-list li a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}

.submenu-list li a:hover::after {
  transform: scaleX(1);
}

.submenu-list span {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  color: var(--text-muted);
  transition: color var(--transition-base);
}

.submenu-list li:hover span,
.submenu-list li.active span {
  color: var(--primary);
}

.mobile-logo,
.navbar-toggler,
.mobile-menu {
  display: none;
}

/* ========== HERO CAROUSEL ========== */
.hero-banner {
  width: 100%;
  height: 100vh;
  position: relative;
  background-image: url("../image/hero-banner.jpeg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}



.hero-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(0, 0, 0, 0.4),
      rgba(0, 0, 0, 0.1));
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-buttons {
  position: absolute;
  bottom: 10%;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 3rem;
}

.btn-hero {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2.5rem;
  font-weight: var(--font-weight-bold);
  border-radius: .25rem;
  text-decoration: none;
  font-size: var(--font-size-sm);
  letter-spacing: 2px;
  text-transform: uppercase;
  position: relative;
  transition: all 0.4s cubic-bezier(0.7, 0, 0.3, 1);
  overflow: hidden;
  z-index: 1;
  white-space: nowrap;
}

.btn-primary-modern {
  background: var(--primary-dark);
  color: var(--white);
  border: 1px solid var(--primary-dark);
}

.btn-primary-modern::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--white);
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.7, 0, 0.3, 1);
  z-index: -1;
}

.btn-primary-modern:hover {
  color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-premium);
}

.btn-primary-modern:hover::before {
  transform: translateY(0);
}

.btn-outline-modern {
  background: transparent;
  color: var(--primary-dark);
  border: 1px solid var(--primary-dark);
}

.btn-outline-modern::after {
  content: '';
  position: absolute;
  width: 0%;
  height: 100%;
  top: 0;
  left: 50%;
  background: var(--primary-dark);
  transition: all 0.4s cubic-bezier(0.7, 0, 0.3, 1);
  z-index: -1;
}

.btn-outline-modern:hover {
  color: var(--white);
}

.btn-outline-modern:hover::after {
  width: 100%;
  left: 0;
}

.btn-hero:hover {
  outline: 1px solid rgba(30, 41, 59, 0.3);
  outline-offset: 8px;
}

/* ========== MODEL SECTION ========== */
.model-hero {
  position: relative;
  height: auto;
  max-height: 600px;
  padding: 4rem 0 0;
  width: 100vw;
  overflow: hidden;
  display: flex;
  align-items: flex-start;
  background: transparent;
}

.model-hero-dark {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  clip-path: polygon(0 0, 70% 0, 50% 100%, 0 100%);
  z-index: 1;
}

.model-hero-dark::after {
  content: '';
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, transparent, var(--primary), transparent);
}

.model-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center right;
  transition: opacity 0.8s var(--ease-premium);
  z-index: 0;
}

.model-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--overlay-darker) 0%, transparent 60%);
}

.model-header {
  position: relative;
  z-index: 12;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  pointer-events: auto;
  margin-bottom: 2rem;
}

.model-tag {
  display: inline-flex;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  margin: 0;
  letter-spacing: 2px;
  color: var(--white);
  gap: .5rem;
}

.model-tabs {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(1.25rem);
  padding: .35rem 1.25rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  border-top: 1px solid var(--border-dark);
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  z-index: 20;
  white-space: nowrap;
  max-width: calc(100% - 2rem);
}

.model-tabs::-webkit-scrollbar {
  display: none;
}

.model-tab {
  border: none;
  background: none;
  padding: .6rem .9rem;
  font-weight: var(--font-weight-semibold);
  color: var(--text-muted);
  cursor: pointer;
  position: relative;
  transition: color var(--transition-base);
  font-size: var(--font-size-base);
  letter-spacing: .8px;
  white-space: nowrap;
}

.model-tab:hover,
.model-tab.active {
  color: var(--primary);
}

.model-tab.active::after {
  content: '';
  position: absolute;
  bottom: .3rem;
  left: .9rem;
  right: .9rem;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-dark));
  border-radius: var(--border-radius-full);
}

.model-hero-content {
  position: relative;
  z-index: 10;
  width: 100%;
  pointer-events: auto;
}

.container.model-hero-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.model-text-wrap {
  margin-top: 0;
}

.model-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--white);
  margin: .25rem 0 1rem 0;

  transition: transform 0.4s var(--ease-premium), opacity 0.3s var(--ease-premium);
  text-shadow: var(--shadow-premium);
}

.model-desc {
  color: var(--white);
  max-width: 450px;
  font-size: var(--font-size-lg);
  margin-bottom: 1.75rem;
  transition: transform 0.4s var(--ease-premium), opacity 0.3s var(--ease-premium);
}

.model-btn {
  background: linear-gradient(135deg, #0d47a1, #1976d2);
  color: var(--white);
  padding: 1rem 2.5rem;
  font-weight: var(--font-weight-bold);
  border: none;
  border-radius: 6px;
  font-size: var(--font-size-sm);
  letter-spacing: 1.2px;
  text-transform: uppercase;
  box-shadow: var(--shadow-premium);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.model-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(120deg, transparent, rgba(100, 181, 246, 0.4), transparent);
  transition: all 0.6s ease;
  z-index: 1;
}

.model-btn:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 6px 18px rgba(25, 118, 210, 0.5);
  letter-spacing: 2px;
}

.model-btn:hover::before {
  left: 100%;
}

.model-image-wrap {
  min-height: 350px;
  height: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.model-image {
  max-height: 450px;
  max-width: 110%;
  transition:
    transform 0.8s cubic-bezier(0.25, 1, 0.3, 1),
    opacity 0.8s ease,
    filter 0.8s ease,
    box-shadow 0.8s ease;
  will-change: transform, opacity, filter, box-shadow;
}

.model-image.slide-out-left {
  transform: translateX(-150px) scale(0.9) rotateY(-8deg);
  opacity: 0;
  filter: blur(4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}

.model-image.slide-out-right {
  transform: translateX(150px) scale(0.9) rotateY(8deg);
  opacity: 0;
  filter: blur(4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}

.model-image.slide-in-left,
.model-image.slide-in-right {
  opacity: 0;
  transform: translateY(20px) scale(0.95);
  filter: blur(6px);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

.model-image.active {
  transform: translateX(0) scale(1) rotateY(0);
  opacity: 1;
  filter: blur(0);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

/* ========== HERO STATS ========== */
.hero_stats {
  padding: 6.25rem 0;
  background: var(--white);
  text-align: center;
}

.hero_stats-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: 80px;
  color: var(--text-default);
}

.hero_stats-item {
  text-align: center;
}

.hero_stats-number {
  display: block;
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  margin-bottom: 1.25rem;
  color: var(--primary-dark);
  font-variant-numeric: tabular-nums;
}

.hero_stats-description {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-normal);
  color: var(--text-default);
  max-width: 200px;
  margin: 0 auto;
}

/* ========== COUNTER SECTION (Home) ========== */
.static-header {
  position: relative;
  z-index: 10;
  color: var(--white);
  padding: var(--spacing-2xl) 0;
  background-color: var(--primary-dark);
}

.static-header h1 {
  font-size: clamp(1.5rem, 5vw, var(--font-size-4xl));
  font-weight: var(--font-weight-medium);
  letter-spacing: -0.02em;
  /* margin-bottom: 0.5rem; */
  line-height: var(--line-height-tight);

}

.static-header h1 span {
  position: relative;
  display: inline-block;
}

.static-header h1 span::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -10%;
  width: 100%;
  height: 3px;
  background: var(--white);
}

.counter-sec {
  position: relative;
  background-color: var(--primary-dark);
  overflow: hidden;
  min-height: 100vh;
  margin-top: -.5rem;
  display: flex;
  align-items: center;
  padding: var(--spacing-2xl) 0;
  color: var(--white);
}

.bus-animation-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

.slides-wrapper {
  position: relative;
  width: 100%;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: 1fr;
}

.tech_slide {
  grid-column: 1 / 2;
  grid-row: 1 / 2;
  opacity: 0;
  pointer-events: none;
  transition: opacity 1s ease-in-out, transform 1s ease-in-out;
  transform: translateY(1.25rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  min-height: 800px;
  line-break: normal;
}

.tech_slide.active {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.tech_slide h2 {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-medium);
}

.feature-card {
  display: flex;
  align-items: center;
  min-height: 300px;
}

.first-feature {
  margin-bottom: 8.75rem;
}

.second-feature {
  margin-top: 10rem;
}

.image-circle-container {
  position: relative;
  padding: .5rem;
  display: inline-block;
}

.image-circle-container::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 50%;
  pointer-events: none;
  animation: circlePulse 4s infinite cubic-bezier(0.4, 0, 0.2, 1);
}

.image-circle-container img {
  width: 20rem;
  height: 20rem;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.06);
  transition: transform 0.2s;
  animation: imgBreathing 6s infinite ease-in-out;
  display: block;
}

@keyframes circlePulse {
  0% {
    box-shadow: 0 0 0 .25rem rgba(var(--primary-rgb), 0.15),
      0 0 1.87rem 0 rgba(var(--primary-rgb), 0.2);
  }

  50% {
    box-shadow: 0 0 0 14px rgba(var(--primary-rgb), 0.35),
      0 0 3.12rem .95rem rgba(var(--primary-rgb), 0.4);
  }

  100% {
    box-shadow: 0 0 0 .25rem rgba(var(--primary-rgb), 0.15),
      0 0 1.87rem 0 rgba(var(--primary-rgb), 0.2);
  }
}

@keyframes imgBreathing {
  0% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.02);
  }

  100% {
    transform: scale(1);
  }
}


/* ========== GRD WORLD SLIDER ========== */
.grd-world-section {
  padding: 5rem 0 2rem 0;
  background: var(--white);
}

.grd-world-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 1rem;
  padding: 0 1rem;
}

.grd-world-heading {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-size-3xl);
  letter-spacing: -0.02em;
  margin: 0;
  position: relative;
  display: inline-block;
}

.grd-world-arrows {
  display: flex;
  gap: 1rem;
}

.grd-world-nav {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid var(--border-dark);
  color: var(--primary);
  font-size: 1.4rem;
  font-weight: 300;
  cursor: pointer;
  transition: all 0.25s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.grd-world-nav:hover {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
  transform: scale(1.05);
}


.grd-world-swiper {
  overflow: hidden;
  padding: 1rem 0.5rem;
}

.grd-world-card {
  position: relative;
  border-radius: 1.25rem;
  overflow: hidden;
  height: 380px;
  background: #f0f0f0;
  box-shadow: 0 20px 35px -12px rgba(0, 0, 0, 0.1);
  transition: transform 0.4s cubic-bezier(0.2, 0.9, 0.4, 1.1), box-shadow 0.4s ease;
}

.grd-world-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 28px 45px -15px rgba(0, 0, 0, 0.2);
}

.grd-world-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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


.grd-world-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.75) 0%, rgba(0, 0, 0, 0.2) 50%, transparent 100%);
  pointer-events: none;
  z-index: 1;
}

.grd-world-label {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  color: white;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  z-index: 2;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease;
}

.grd-world-card:hover .grd-world-label {
  transform: translateY(-4px);
}


/* ========== NEWS SECTION  ========== */
.grd-tech-section {
  padding: var(--spacing-2xl) 0;
  background: var(--white);

}

.grd-tech-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-medium);
  margin-bottom: 3rem;
}

.grd-tech-btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-xl);
  border: 1px solid var(--primary);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-sm);
  color: var(--primary);
  text-decoration: none;
  transition: all var(--transition-base);
}

.grd-tech-btn:hover {
  background: var(--primary);
  color: var(--white);
}

/* ========== HERO VIDEO SECTION ========== */
.hero-video-section {
  position: relative;
  height: clamp(420px, 75vh, 520px);
  overflow: hidden;
}

.hero-video-section video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero-video-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  height: 100%;
}

.hero-title {
  font-size: clamp(1.6rem, 3vw, var(--font-size-5xl));
  line-height: var(--line-height-tight);
  font-weight: var(--font-weight-normal);
  color: var(--white);
  max-width: 650px;
}

.hero-link {
  color: var(--white);
  text-decoration: none;
  font-size: clamp(var(--font-size-sm), 1.2vw, var(--font-size-lg));
  display: inline-flex;
  align-items: center;
  gap: .9rem;
  transition: all 0.3s ease;
}

.hero-link:hover {
  opacity: 0.8;
}

.hero-link .icon {
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--white);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  transition: all 0.3s ease;
}

.hero-link:hover .icon {
  background: var(--white);
  color: var(--primary);
  transform: scale(1.05);
}

/* ========== FOOTER ========== */
footer {
  background: var(--white);
  padding: 100px 0 40px;
  border-top: 1px solid var(--border-dark);
}

.footer-logo {
  max-width: 70px;
  margin-bottom: 20px;
}

.footer-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  letter-spacing: 1px;
  margin-bottom: 25px;
  position: relative;
}

.footer-title:after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 35px;
  height: 2px;
  background: var(--primary);
}

.italic-quote {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-loose);
  max-width: 40ch;
  color: var(--text-default);
  border-left: 3px solid var(--primary);
  padding-left: 16px;
}

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: 14px;
  display: flex;
  align-items: flex-start;
}

.footer-links li i {
  color: var(--primary);
  margin-right: 10px;
  margin-top: 4px;
}

.footer-links li a {
  text-decoration: none;
  color: var(--text-default);
  font-size: var(--font-size-lg);
  transition: all .3s ease;
}

.footer-links li a:hover {
  color: var(--primary);
  transform: translate(5px);
}

.social-icons {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.social-icons a {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 1px solid var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  color: var(--primary);
  transition: .3s;
}

.social-icons a:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-4px);
}

.footer-divider {
  border-top: 1px solid var(--border-dark);
  margin: 20px 0;
}

.footer-bottom {
  text-align: center;
}

.footer-bottom p {
  font-size: var(--font-size-sm);
  color: var(--text-default);
}

/* ========== ABOUT PAGE ========== */
.about-hero {
  height: 40vh;
  height: 40dvh;
  margin-top: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;

}

.about-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 7s ease;
  z-index: 1;
}

.about-hero .container {
  position: relative;
  z-index: 2;
  text-align: center;
}

.about-hero-title {
  color: var(--white);
  font-size: clamp(1.5rem, 5vw, var(--font-size-5xl));
  font-weight: var(--font-weight-normal);
  letter-spacing: -0.02em;
  line-height: var(--line-height-tight);
  text-shadow: 0 .75rem 1.5rem rgba(0, 0, 0, 0.4);
  margin-bottom: var(--spacing-sm);
}

.about-company {
  margin-top: 0;
  padding-top: 0;
}

.about-detail h1 {
  margin-top: 4rem;
  font-size: var(--font-size-3xl);
}

.about-detail p {
  font-size: var(--font-size-md);
  word-wrap: normal !important;
  word-break: keep-all !important;
}

.about-detail-icon i {
  font-size: var(--font-size-5xl);
  margin-bottom: 3.5rem;
  color: var(--primary);
}

.about-detail-icon h5 {
  font-weight: var(--font-weight-light);
  font-size: var(--font-size-lg);
}

.bus-pattern-wrapper {
  position: relative;
  display: inline-block;
  width: 100%;
  max-width: 600px;
}

.bus-img {
  position: relative;
  width: 100%;
  margin-top: 12%;
  z-index: 5;
  display: block;
  padding-left: 0;
  filter: drop-shadow(0 .92rem 1.75rem rgba(0, 0, 0, 0.12));
}

.half-pattern {
  position: absolute;
  bottom: 50%;
  left: 30%;
  transform: translateX(-50%);
  width: 53.3%;
  aspect-ratio: 2 / 1;
  overflow: hidden;
  z-index: 1;
}

.bus-pattern-img {
  width: 100%;
  height: auto;
  display: block;
  transform: translateY(0);
  animation: breatheDots 4s ease-in-out infinite;
}

@keyframes breatheDots {

  0%,
  100% {
    transform: translateY(0) scale(0.95);
  }

  50% {
    transform: translateY(0) scale(1.05);
  }
}

.feature-icon {
  color: var(--primary);
  font-size: var(--font-size-5xl);
  line-height: 1;
  display: inline-block;
}

.lead-text {
  line-height: var(--line-height-loose);
}

.about-counter-section {
  background-color: var(--primary-dark);
  color: var(--white);
  padding-top: 3rem;
  position: relative;
  padding-bottom: 2rem;
}

.about-counter-section h4 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-light);

}

.about-counter-image {
  width: 100%;
  max-width: 420px;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto;
  position: relative;
  box-shadow: 0 0 60px 10px rgba(9, 78, 191, 0.5);
  border: 2px solid rgba(255, 255, 255, 0.05);
}

.about-counter-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-counter-text {
  color: var(--white);
  line-height: var(--line-height-loose);
  font-size: var(--font-size-md);
  margin-bottom: 1.5rem;
  margin-left: 1rem;
}

/* ========== WHY CHOOSE US ========== */
.why-choose-section {
  padding: 2rem 0;
}

.why-choose-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-medium);
  margin-bottom: 80px;
  color: var(--text-default);
}

.why-choose-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: minmax(100px, auto);
  gap: 1.95rem;
  max-width: 1200px;
  margin: 0 auto;
  align-items: start;
}

.card-1 {
  grid-row: 2 / span 4;
}

.card-2 {
  grid-row: 1 / span 4;
}

.card-3 {
  grid-row: 2 / span 4;
}

.card-4 {
  grid-row: 6 / span 4;
}

.card-5 {
  grid-row: 5 / span 4;
}

.card-6 {
  grid-row: 6 / span 4;
}

.why-choose-card {
  background: var(--white);
  border-radius: 8px;
  padding: 45px 35px;
  min-height: 420px;
  position: relative;
  box-shadow: 0 15px 45px rgba(0, 0, 0, 0.04);
  transition: all 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  cursor: pointer;
  text-align: left;
}

.why-choose-card-heading {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-normal);
  margin-bottom: 20px;
  transition: color 0.4s ease;
  color: var(--text-default);
}

.why-choose-card-description {
  font-size: var(--font-size-base);
  line-height: var(--line-height-loose);
  opacity: 0;
  max-height: 0;
  transform: translateY(20px);
  transition: all 0.5s ease;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 0;
  overflow: hidden;
}

.why-choose-plus-icon {
  position: absolute;
  bottom: 35px;
  left: 35px;
  width: 44px;
  height: 44px;
  background: var(--text-default);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  transition: all 0.4s ease;
}

.why-choose-plus-icon svg {
  width: 22px;
  height: 22px;
}

.why-choose-card:hover {
  background-color: var(--primary);
  transform: translateY(-8px);
  box-shadow: 0 30px 60px rgba(0, 71, 186, 0.25);
}

.why-choose-card:hover .why-choose-card-heading {
  color: var(--white);
}

.why-choose-card:hover .why-choose-card-description {
  opacity: 1;
  max-height: 300px;
  transform: translateY(0);
  margin-top: 10px;
}

.why-choose-card:hover .why-choose-plus-icon {
  background: var(--white);
  color: var(--primary);
  transform: rotate(90deg);
}

/* ========== OUR HISTORY ========== */
.history-section {
  padding: var(--spacing-2xl) 0;
  overflow: hidden;
  background: var(--white);
}

.history-image {
  position: relative;
}

.history-image img {
  width: 100%;
  height: auto;
  max-height: 500px;
  object-fit: cover;
  border-radius: 16px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  transition: transform .7s;
}

.history-image:hover img {
  transform: scale(1.05);
}

.image-overlay {
  position: absolute;
  inset: 0;
  border-radius: 16px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.6), transparent);
}

.history-badge {
  position: absolute;
  bottom: -30px;
  right: -30px;
  background: var(--primary-dark);
  color: var(--white);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
}

.history-badge span:first-child {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-semibold);
  display: block;
}

.history-badge span:last-child {
  font-size: var(--font-size-base);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.history-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(13, 110, 253, .1);
  color: var(--primary);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: 20px;
}

.history-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-medium);
  margin-bottom: 25px;
  line-height: var(--line-height-tight);
}

.history-text {
  font-size: var(--font-size-md);
  color: var(--text-muted);
  line-height: var(--line-height-loose);
}

.expandable-content {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .5s ease;
}

.expandable-content.expanded {
  grid-template-rows: 1fr;
}

.expandable-content>div {
  overflow: hidden;
}

.content-opacity {
  opacity: 0;
  transition: opacity .4s ease;
}

.expanded .content-opacity {
  opacity: 1;
}

.toggle-btn {
  margin-top: 30px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: none;
  border: none;
  font-weight: var(--font-weight-bold);
  color: var(--primary);
  cursor: pointer;
  font-size: var(--font-size-lg);
}

.toggle-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(13, 110, 253, .1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: .3s;
}

.toggle-btn:hover .toggle-icon {
  background: rgba(13, 110, 253, .2);
}

.rotate {
  transform: rotate(180deg);
  transition: transform .4s ease;
}

/* ========== AWARDS SECTION ========== */
.award-section {
  padding: 100px 0;
  background-color: var(--white);
  overflow: hidden;
}

.award-section-header {
  max-width: 900px;
  margin: 0 auto 60px;
  text-align: center;
}

.award-section-header h2 {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-medium);
  margin-bottom: 25px;
  color: var(--text-default);
}

.award-section-header h2 span {
  color: var(--primary);
}

.award-section-header p {
  color: var(--text-muted);
  line-height: var(--line-height-loose);
  font-size: var(--font-size-base);
  max-width: 750px;
  margin: 0 auto;
}

.award-image-container {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.award-decoration-dots {
  position: absolute;
  width: 540px;
  height: 540px;
  border: 2px dotted var(--primary);
  border-radius: 50%;
  opacity: 0.4;
  z-index: 1;
}

.award-circle-image-wrapper {
  width: 440px;
  height: 440px;
  border-radius: 50%;
  overflow: hidden;
  position: relative;
  z-index: 2;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.award-circle-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.award-list {
  list-style: disc;
  padding-left: 20px;
  margin-bottom: 35px;
}

.award-list li {
  margin-bottom: 12px;
  font-size: var(--font-size-base);
  color: var(--text-muted);
  line-height: var(--line-height-loose);
}

.award-logo-row {
  display: flex;
  gap: 25px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 45px;
}

.award-logo-item {
  width: 120px;
  height: 50px;
  border-radius: 6px;
  overflow: hidden;
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
}

.award-logo-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.award-btn {
  border: 1px solid var(--primary);
  color: var(--primary);
  padding: 10px 35px;
  border-radius: 30px;
  font-weight: var(--font-weight-medium);
  transition: all 0.3s ease;
  background: transparent;
  text-decoration: none;
  display: inline-block;
}

.award-btn:hover {
  background-color: var(--primary);
  color: var(--white);
}

/* ========== PRODUCT PAGE ========== */
.product_banner {
  background-image:
    linear-gradient(to bottom, rgba(0, 0, 0, 0.15), rgba(0, 0, 0, 0.75)),
    url("../image/product-banner.jpeg");
  margin-top: var(--nav-height);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  height: 50vh;
  height: 50svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: 3rem;
  color: var(--white);
}



.product_showcase-fleet-header {
  padding: 3rem 5% 3rem 5%;
  text-align: center;
}

.product_showcase-fleet-header h1 {
  font-size: clamp(2.5rem, 5vw, var(--font-size-5xl));
  font-weight: var(--font-weight-semibold);
  margin: 0 0 1rem 0;
  letter-spacing: -0.02em;
}

.product_showcase-fleet-header p {
  color: var(--text-muted);
  font-size: var(--font-size-lg);
  max-width: 600px;
  margin: 0 auto;
  line-height: var(--line-height-loose);
}

.product_showcase-bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: 320px;
  gap: 20px;
  padding: 0 5% 6rem 5%;
  max-width: 1600px;
  margin: 0 auto;
}

.product_showcase-bento-card {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  background: var(--text-default);
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: border-color 0.4s ease;
}

.product_showcase-bento-card:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.product_showcase-card-1 {
  grid-column: span 8;
  grid-row: span 2;
}

.product_showcase-card-2,
.product_showcase-card-3 {
  grid-column: span 4;
  grid-row: span 1;
}

.product_showcase-card-4,
.product_showcase-card-5 {
  grid-column: span 6;
  grid-row: span 1;
}

.product_showcase-card-7 {
  grid-column: span 12;
  grid-row: span 1;
}

.product_showcase-card-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.25, 1, 0.2, 1), filter 0.8s ease;
  filter: brightness(0.6) grayscale(20%);
}

.product_showcase-bento-card:hover .product_showcase-card-img {
  transform: scale(1.05);
  filter: brightness(0.4) grayscale(0%);
}

.product_showcase-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.4) 50%, transparent 100%);
  opacity: 0.8;
  transition: opacity 0.4s ease;
}

.product_showcase-bento-card:hover .product_showcase-card-overlay {
  opacity: 1;
}

.product_showcase-card-content {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 2.5rem;
  box-sizing: border-box;
  z-index: 2;
}

.product_showcase-card-content h2 {
  font-size: clamp(1.3rem, 3vw, var(--font-size-3xl));
  font-weight: var(--font-weight-medium);
  margin: 0;
  line-height: var(--line-height-tight);
  color: var(--white);
}

.product_showcase-card-details {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.5s cubic-bezier(0.25, 1, 0.2, 1);
}

.product_showcase-details-inner {
  overflow: hidden;
}

.product_showcase-bento-card:hover .product_showcase-card-details {
  grid-template-rows: 1fr;
}

.product_showcase-card-desc {
  font-size: var(--font-size-base);
  color: var(--white);
  margin: 1.2rem 0;
  line-height: var(--line-height-normal);
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.4s ease 0.1s;
}

.product_showcase-specs-row {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 0.5rem;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.4s ease 0.2s;
}

.product_showcase-bento-card:hover .product_showcase-card-desc,
.product_showcase-bento-card:hover .product_showcase-specs-row {
  opacity: 1;
  transform: translateY(0);
}

.product_showcase-spec-item {
  display: flex;
  flex-direction: column;
}

.product_showcase-spec-value {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--white);
}

.product_showcase-spec-label {
  font-size: var(--font-size-xs);
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.product_showcase-card-button {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--white);
  text-transform: uppercase;
  font-size: var(--font-size-xs);
  letter-spacing: 1px;
  padding: 0.6rem 1.2rem;
  border-radius: 40px;
  cursor: pointer;
  margin-top: 1rem;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s ease 0.25s;
}

.product_showcase-bento-card:hover .product_showcase-card-button {
  opacity: 1;
  transform: translateY(0);
}

.product_showcase-card-button:hover {
  background: var(--white);
  color: var(--text-default);
  border-color: var(--white);
}

/* custom bus */
.bus_config_section {
  padding: var(--spacing-2xl) 0;
  background: var(--primary-dark);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.bus_config_section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(var(--primary-rgb), 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--primary-rgb), 0.05) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
}

.bus_config_header {
  margin-bottom: 80px;
  position: relative;
  z-index: 2;
}

.bus_config_header h2 {
  font-size: clamp(1.8rem, 5vw, var(--font-size-4xl));
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.bus_config_header p {
  max-width: 700px;
  margin: auto;
  color: var(--white);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
}

.bus_showcase_container {
  position: relative;
}

.bus_config_main_image {
  position: relative;
  padding: 20px;
  z-index: 1;
}

.bus_config_main_image img {
  width: 100%;
  border-radius: var(--border-radius-md);
  filter: grayscale(0.2) contrast(1.1);
  transition: 0.5s ease;
  box-shadow: var(--shadow-premium);
}

.image_corner {
  position: absolute;
  width: 40px;
  height: 40px;
  border: 2px solid var(--primary);
  z-index: 2;
}

.top-left {
  top: 0;
  left: 0;
  border-right: 0;
  border-bottom: 0;
}

.bottom-right {
  bottom: 0;
  right: 0;
  border-left: 0;
  border-top: 0;
}

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

.bus_feature_card {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--primary);
  padding: 24px;
  border-radius: var(--border-radius-sm);
  border-left: 4px solid transparent;
  transition: all 0.4s var(--ease-premium);
  cursor: pointer;
  position: relative;
}

.bus_feature_card:hover {
  background: var(--primary);
  color: var(--white);
}

.bus_feature_card:hover h4,
.bus_feature_card:hover p {
  color: var(--white);
}

.bus_feature_card:hover .card_icon {
  background: var(--white);
  color: var(--primary);
}

.bus_feature_card .card_icon {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(var(--primary-dark), 0.1);
  color: var(--white);
  border-radius: var(--border-radius-sm);
  flex-shrink: 0;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
  border: 1px solid var(--white);
}

.bus_feature_card h4 {
  margin: 0 0 5px 0;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
}

.bus_feature_card p {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--white);
  line-height: var(--line-height-tight);
}

.bus_config_btn {
  display: inline-flex;
  align-items: center;
  margin-top: 40px;
  padding: 1rem 1.5rem;
  background: var(--primary);
  color: var(--white);
  text-decoration: none;
  font-weight: var(--font-weight-extrabold);
  text-transform: uppercase;
  font-size: var(--font-size-sm);
  letter-spacing: 2px;
  transition: 0.3s;
  border-radius: 10px;
}

.bus_config_btn:hover {

  color: var(--white);
  padding-left: 55px;
  padding-right: 35px;
}

/* ========== PRODUCT DETAIL PAGE ========== */


.detail_slider-hero {
  position: relative;
  width: 100%;
  margin-top: var(--nav-height);
  min-height: 50vh;

  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding: 100px 0;

  overflow: hidden;
}

.detail_slider-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);

  z-index: 1;
}

.detail_slider-content {
  position: relative;
  z-index: 2;


}

.detail_slider-title {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-normal);
  margin-bottom: 2rem;
  text-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  color: var(--white);
}

.pro-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-default);
}

.section-desc {
  max-width: 900px;
  margin: auto;
  color: var(--text-muted);
  font-size: var(--font-size-lg);
  line-height: var(--line-height-normal);
}

.product-card {
  position: relative;
  height: 440px;
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(14, 13, 13, 0.25);
}

.card-image-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 1;
}

.card-overlay {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 2;
}

.product-card:hover .card-image-bg,
.product-card:hover .card-overlay {
  opacity: 1;
}

.card-inner {
  position: relative;
  z-index: 3;
  height: 100%;
  padding: 2.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.product-title {
  font-size: var(--font-size-2xl);
  margin-bottom: 0.3rem;
  transition: color 0.3s ease;
}

.product-meta {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-bottom: 1rem;
  transition: color 0.3s ease;
}

.visual-container {
  position: relative;
  width: 100%;
  flex-grow: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.bus-main-img {
  position: relative;
  z-index: 2;
  width: 90%;
  height: auto;
  object-fit: contain;
  background: transparent;
}

.read-more-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.4s ease;
  font-size: var(--font-size-base);
}

.arrow-circle {
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: 0.3s;
}

.read-more-btn:hover {
  color: var(--white);
  transform: scale(3px)
}

.product-card:hover .visual-container {
  opacity: 0;
}

.product-card:hover .product-title,
.product-card:hover .product-meta {
  color: var(--white);
}

.product-card:hover .read-more-btn {
  opacity: 1;
  transform: translateY(0);
}

/* ========== CONTACT PAGE ========== */
.contact-hero {
  height: 40vh;
  height: 40dvh;
  margin-top: var(--nav-height);
  background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
    url('https://images.unsplash.com/photo-1521737604893-d14cc237f11d?auto=format&fit=crop&q=80&w=2000') center / cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
}

.contact-hero-title {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: 1rem;
}

.contact-hero-subtitle {
  font-size: var(--font-size-lg);
  max-width: 800px;
  margin: auto;
  font-weight: var(--font-weight-light);
  opacity: 0.9;
}

.contact-detail {
  padding: 60px 0 30px 0;
}

.contact-detail h3 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-semibold);
  margin-block: 3rem;
  line-height: var(--line-height-normal);
}

.contact-info {
  margin: 5rem auto 0;
}

.contact-info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2.3rem 0;
  border-bottom: 1px solid var(--white);
}

.contact-row {
  display: flex;
  align-items: center;
  gap: 15px;
}

.contact-info-row i {
  color: var(--primary);
  font-size: 1.8rem;
  width: 40px;
  text-align: center;
}

.contact-label {
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-lg);
  min-width: 100px;
}

.contact-value {
  color: var(--text-muted);
  font-size: var(--font-size-lg);
  text-align: right;
}

.image-container {
  position: relative;
  margin-top: 2rem;
}

.contact-building-img {
  width: 100%;
  height: 450px;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-address-card {
  position: absolute;
  bottom: -20px;
  left: 10%;
  right: 10%;
  background: var(--white);
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
  z-index: 10;
}

.map-link {
  color: var(--primary);
  text-decoration: none;
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
}

.address-desc {
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  color: var(--text-muted);
}

.contact-form-section {
  padding: 80px 0;
  background: rgba(var(--primary-rgb), 0.03);
}

.contact-form-section img {
  width: 100%;
  border-radius: 12px;
  object-fit: cover;
}

.contact-form-box {
  background: var(--white);
  padding: 40px;
  border-radius: 15px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
}

.form-control {
  padding: 12px 15px;
  border-radius: 8px;
  background: var(--white);
  border: 1px solid rgba(0, 0, 0, 0.1);
  margin-bottom: 5px;
}

.form-control:focus {
  box-shadow: none;
  border-color: var(--primary);
  background: var(--white);
}

.contact-submit-btn {
  background: var(--primary);
  color: var(--white);
  padding: 14px 45px;
  border-radius: 50px;
  font-weight: var(--font-weight-semibold);
  border: none;
  transition: 0.3s;
}

.contact-submit-btn:hover {
  background: var(--primary-dark);
  transform: scale(1.02);
}

/* faq */
.faq-section {
  padding: var(--spacing-2xl) 0;
}

.faq-header {
  margin-bottom: var(--spacing-2xl);
}

.faq-header h2 {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-default);
  position: relative;
  display: inline-block;
  padding-bottom: var(--spacing-sm);
}

.faq-container {
  max-width: 850px;
  margin: auto;
}

.accordion-item {
  border: none;
  border-radius: var(--border-radius-lg) !important;
  background: var(--white);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--spacing-md);
  overflow: hidden;
  transition: var(--transition-smooth);
}

.accordion-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.accordion-button {
  padding: 24px 28px;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-lg);
  color: var(--text-default);
  background: var(--white);
  display: flex;
  align-items: center;
  transition: var(--transition-base);
}

.accordion-button:not(.collapsed) {
  color: var(--primary);
  background: rgba(var(--primary-rgb), 0.03);
}

.accordion-button:focus {
  box-shadow: none;
}

.accordion-button::after {
  display: none;
}

.icon-box {
  width: 46px;
  height: 46px;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(var(--primary-rgb), 0.1);
  color: var(--primary);
  margin-right: 16px;
  font-size: var(--font-size-lg);
  transition: var(--transition-smooth);
}

.accordion-button:not(.collapsed) .icon-box {
  background: var(--primary);
  color: var(--white);
  transform: scale(1.05);
  box-shadow: var(--shadow-premium);
}

.faq-arrow {
  margin-left: auto;
  font-size: var(--font-size-base);
  color: var(--text-muted);
  transition: transform .35s ease;
}

.accordion-button:not(.collapsed) .faq-arrow {
  transform: rotate(180deg);
  color: var(--primary);
}

.accordion-body {
  padding: 0 28px 30px 90px;
  color: var(--text-muted);
  line-height: var(--line-height-loose);
  font-size: var(--font-size-base);
  animation: fadeDown .35s ease;
}

@keyframes fadeDown {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }

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

/* ========== GALLERY SECTION ========== */
.banner {
  background: url('https://images.unsplash.com/photo-1506905925346-21bda4d32df4?ixlib=rb-4.0.3&auto=format&fit=crop&w=1950&q=80') no-repeat center center;
  background-size: cover;
  height: 50vh;
  height: 50dvh;
  position: relative;
  color: var(--white);
  margin-top: var(--nav-height);
}

.banner .overlay {
  background-color: rgba(0, 0, 0, 0.5);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.banner-content h1 {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: 1rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.banner-content p {
  font-size: var(--font-size-2xl);
  margin-bottom: 2rem;
}

.filter-btn {
  border-radius: 4px;
  padding: 6px 12px;
  margin: 3px;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all 0.2s ease;
  border: 1px solid var(--primary);
  background: var(--white);
  color: var(--text-default);
  flex: 0 1 auto;
}

.filter-btn.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 6px;
  cursor: pointer;
  background: var(--white);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.gallery-item img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

/* ========== NEWS SECTION ========== */
.news-hero {
  background: url('https://images.unsplash.com/photo-1544620347-c4fd4a3d5957?auto=format&fit=crop&q=80&w=2000') center / cover;
  color: var(--white);
  margin-top: var(--nav-height);
  display: flex;
  align-items: center;
  height: 50vh;
  height: 50dvh;
}

.news-banner-content {
  font-size: clamp(1.5rem, 5vw, var(--font-size-5xl));
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
}

.news-card {
  border: 1px solid var(--border-dark);
  border-radius: 0;
  height: 100%;
  background: var(--white);
  box-shadow: 0 5px 20px rgba(11, 20, 38, 0.08);
  transition: transform 0.3s, box-shadow 0.3s;
}

.news-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(11, 20, 38, 0.15);
}

.card-img-top {
  border-radius: 0;
  height: 220px;
  object-fit: cover;
}

.badge-date {
  background-color: var(--primary-dark);
  font-size: var(--font-size-sm);
  padding: 0.5em 1em;
  border-radius: 0;
  margin-bottom: 1rem;
  display: inline-block;
  color: var(--white);
}

.btn-outline-primary {
  color: var(--primary);
  border-radius: 0;
  font-weight: var(--font-weight-semibold);
  padding: 10px 25px;
}

.btn-outline-primary:hover {
  background-color: var(--primary);
  color: var(--white);
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-medium);
}

.section-title-news {
  position: relative;
  padding-bottom: 15px;
  font-weight: var(--font-weight-medium);
  color: var(--text-default);
  font-size: var(--font-size-3xl);
}

/* ========== TECHNOLOGY PAGE ========== */
.tech-hero-banner {
  position: relative;
  height: 50vh;
  height: 50dvh;
  margin-top: var(--nav-height);
  background-image: url('https://images.unsplash.com/photo-1565193566173-7a0ee3dbe261?auto=format&fit=crop&q=80&w=2000');
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  color: var(--white);
}

.tech-hero-content {
  z-index: 2;
}

.tech-hero-title {
  font-size: clamp(1.5rem, 5vw, var(--font-size-5xl));
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  text-align: center;
}

.tech-infra-section {
  padding: var(--spacing-4xl) 0;
}

.tech-section-header h2 {
  font-weight: var(--font-weight-extrabold);
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-md);
}

.tech-section-header p {
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto var(--spacing-2xl);
  font-size: var(--font-size-lg);
}

.tech-infra-card {
  background: var(--white);
  border-radius: var(--border-radius-xl);
  border: 1px solid var(--border-dark);
  height: 100%;
  transition: var(--transition-smooth);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.tech-infra-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.tech-infra-card-img {
  height: 240px;
  overflow: hidden;
  position: relative;
}

.tech-infra-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.tech-infra-card:hover img {
  transform: scale(1.08);
}

.tech-infra-card-icon {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 46px;
  height: 46px;
  border-radius: var(--border-radius-md);
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  box-shadow: var(--shadow-md);
}

.tech-infra-card-content {
  padding: var(--spacing-xl);
  flex-grow: 1;
}

.tech-infra-card h4 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-sm);
}

.tech-infra-card p {
  color: var(--text-muted);
  font-size: var(--font-size-lg);
}

.tech-quality-protocol {
  margin-top: var(--spacing-4xl);
  background: var(--primary-dark);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-2xl);
  color: var(--white);
  box-shadow: var(--shadow-xl);
}

.tech-quality-icon {
  width: 70px;
  height: 70px;
  border-radius: var(--border-radius-lg);
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: var(--spacing-lg);
}

.tech-quality-protocol h3 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-extrabold);
  margin-bottom: var(--spacing-md);
}

.tech-quality-protocol p {
  color: var(--white);
  font-size: var(--font-size-lg);
  max-width: 900px;
  line-height: var(--line-height-loose);
}

/* form submit */
.form-error {
  border-color: #dc3545 !important;
}

.form-message.success {
  background: var(--white);
  color: var(--primary);
  padding: 12px 16px;
  border-radius: 6px;
}

.form-message.error {
  background: var(--white);
  color: #dc3545;
  padding: 12px 16px;
  border-radius: 6px;
}

/******************** 
     submodel  
*********************/
.sub-model-hero-banner {
  position: relative;
  height: 100vh;
  height: 100dvh;
  margin-top: var(--nav-height);
  background-image: url('../image/product-banner.jpeg');
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  color: var(--white);
}

.sub-model-hero-content {
  z-index: 2;
}

.sub-model-hero-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  text-align: center;
}


/* ===== SUB-MODEL INTRO ===== */
.sub-model-intro {
  padding: var(--spacing-2xl) 0;
  background-color: var(--white);
}

.sub-model-intro-title {
  font-weight: var(--font-weight-semibold);
  color: var(--text-default);
  font-size: var(--font-size-4xl);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: var(--spacing-xs);
}

.sub-model-intro-subtitle {
  font-weight: var(--font-weight-medium);
  color: var(--text-muted);
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-2xl);
  letter-spacing: 0.5px;
}

.sub-model-intro-content {

  margin: 0 auto;
  text-align: center;

}

.sub-model-intro-text {
  color: var(--text-muted);
  line-height: var(--line-height-loose);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-lg);
}

/* ===== SUB-MODEL FEATURE ===== */
.oem-spec {
  padding: var(--spacing-2xl) 0;
  background: var(--white);
}


.oem-spec__image {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.oem-spec__image img {
  width: 100%;
  display: block;
  transition: transform var(--transition-smooth);
}

.oem-spec__image:hover img {
  transform: scale(1.04);
}

.oem-spec__title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-default);
  margin-bottom: var(--spacing-xl);
}


.oem-spec__table {
  border-top: 1px solid var(--border-dark);
}


.oem-spec__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg) 0;
  border-bottom: 1px solid var(--border-dark);
  transition: all var(--transition-base);
}

.oem-spec__row:hover {

  padding-left: var(--spacing-md);
}


.oem-spec__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-muted);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}


.oem-spec__value {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--text-default);
  text-align: right;
}


.oem-spec__row:hover .oem-spec__value {
  color: var(--primary);
}

.oem-spec__row {
  position: relative;
}

.oem-spec__row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 3px;
  background: var(--primary);
  opacity: 0;
  transition: var(--transition-base);
}

.oem-spec__row:hover::before {
  opacity: 1;
}



/* ===== SUB-MODEL GALLERY ===== */
.sub-model-gall-title {
  font-weight: var(--font-weight-bold);
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-default);
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-xl);
}

.sub-model-gall-subtitle {
  font-weight: var(--font-weight-medium);
  color: var(--text-muted);
  font-size: var(--font-size-xl);

  letter-spacing: 0.5px;
}

.sub-model-gall-section {
  padding: var(--spacing-2xl) 0;
  background-color: var(--white);
}

.sub-model-gall-item {
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  height: 100%;
}

.sub-model-gall-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.sub-model-gall-img {
  display: block;
  width: 100%;
  height: 250px;

  object-fit: cover;
  transition: transform 0.6s var(--ease-premium);
}

.sub-model-gall-item:hover .sub-model-gall-img {
  transform: scale(1.05);
}


.bus-3d-section {
  padding: var(--spacing-2xl) 0 0;
  background: var(--primary-dark);

  overflow: hidden;
}

.bus-content {
  max-width: 600px;
  margin-bottom: var(--spacing-2xl);
}

.bus-content h2 {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-sm);
  color: var(--white);
}

.bus-content p {
  color: var(--white);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
}

.model-fullwidth {
  position: relative;
  width: 100%;
}

model-viewer {
  width: 100%;
  height: 70vh;

  min-height: 400px;
  max-height: 700px;
  background: transparent;
  filter: drop-shadow(0 40px 80px rgba(0, 0, 0, 0.6));
}


/* Scroll to top button */
.scroll-to-top {
  position: fixed;
  bottom: 35px;
  right: 35px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 1000;
}

.scroll-to-top.show {
  opacity: 1;
  visibility: visible;
}

.scroll-to-top:hover {

  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.scroll-to-top.show {
  animation: fadeInUp5 0.3s ease forwards;
}

@keyframes fadeInUp5 {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

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