/* ===== IMPORTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
  /* Primary Corporate Navy */
  --primary-50: #f0f4f8;
  --primary-100: #d9e2ec;
  --primary-200: #bcccdc;
  --primary-300: #9fb3c8;
  --primary-400: #829ab1;
  --primary-500: #627d98;
  --primary-600: #003a70;
  --primary-700: #002b55;
  --primary-800: #001e3b;
  --primary-900: #001224;
  --primary-950: #000c18;

  /* Neutrals */
  --neutral-50: #f8fafc;
  --neutral-100: #f1f5f9;
  --neutral-200: #e2e8f0;
  --neutral-300: #cbd5e1;
  --neutral-400: #94a3b8;
  --neutral-500: #64748b;
  --neutral-600: #475569;
  --neutral-700: #334155;
  --neutral-800: #1e293b;
  --neutral-900: #0f172a;

  /* Accent */
  --accent-sky: #4f7cac;
  --accent-cyan: #3c5a75;
  --accent-teal: #1f364d;

  /* Functional */
  --white: #ffffff;
  --shadow-sm: 0 1px 2px rgba(0, 18, 36, 0.04);
  --shadow-md: 0 4px 6px rgba(0, 18, 36, 0.06);
  --shadow-lg: 0 10px 15px rgba(0, 18, 36, 0.08);
  --shadow-xl: 0 20px 25px rgba(0, 18, 36, 0.1);
  --shadow-blue: 0 8px 20px rgba(0, 58, 112, 0.15);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --container-max: 1280px;
  --header-height: 90px;
  --topbar-height: 40px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--neutral-700);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

ul,
ol {
  list-style: none;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--neutral-900);
  letter-spacing: -0.02em;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== TOPBAR ===== */
.topbar {
  background: linear-gradient(135deg, var(--primary-900), var(--primary-800));
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  font-size: 0.8125rem;
  color: var(--primary-200);
  position: relative;
  z-index: 1001;
}

.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 24px;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.topbar-item {
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition-fast);
}

.topbar-item:hover {
  color: var(--white);
}

.topbar-item i {
  font-size: 0.75rem;
  color: var(--primary-400);
}

.lang-switch {
  display: flex;
  gap: 2px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  overflow: hidden;
}

.lang-switch a {
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary-300);
  transition: all var(--transition-fast);
}

.lang-switch a:hover,
.lang-switch a.active {
  background: var(--primary-500);
  color: var(--white);
}

/* ===== HEADER / NAVBAR ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  transition: all var(--transition-base);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 1001;
}

.logo-icon-img {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.logo-icon-img svg {
  width: 46px;
  height: 46px;
  filter: drop-shadow(0 2px 8px rgba(91, 192, 235, 0.3));
}

/* Keep old .logo-icon for backwards compatibility */
.logo-icon {
  width: 46px;
  height: 46px;
  background: linear-gradient(135deg, var(--primary-600), var(--accent-sky));
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.25rem;
  font-weight: 800;
  font-family: 'Inter', sans-serif;
  box-shadow: var(--shadow-blue);
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-text .brand {
  font-family: 'Inter', sans-serif;
  font-size: 1.375rem;
  font-weight: 800;
  background: linear-gradient(135deg, #5BC0EB, #3b82f6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.logo-text .tagline {
  font-size: 0.6875rem;
  color: var(--neutral-400);
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

/* Navigation */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 10px 18px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--neutral-700);
  border-radius: 10px;
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--primary-600);
  background: var(--primary-50);
}

.nav-link i.fa-chevron-down {
  font-size: 0.625rem;
  transition: transform var(--transition-fast);
}

.nav-item:hover .nav-link i.fa-chevron-down {
  transform: rotate(180deg);
}

/* Dropdown */

.dropdown::before {
  content: '';
  position: absolute;
  top: -15px;
  left: 0;
  width: 100%;
  height: 15px;
  background: transparent;
}

.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background: var(--white);
  border-radius: 4px;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--neutral-100);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-base);
  pointer-events: none;
}

.nav-item:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(4px);
  pointer-events: auto;
}

.dropdown-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  font-size: 0.875rem;
  color: var(--neutral-600);
  border-radius: 8px;
  transition: all var(--transition-fast);
}

.dropdown-link:hover {
  background: var(--primary-50);
  color: var(--primary-700);
  padding-left: 20px;
}

.dropdown-link i {
  color: var(--primary-400);
  font-size: 0.8rem;
  width: 18px;
  text-align: center;
}

/* Mobile Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1001;
  padding: 8px;
}

.hamburger span {
  width: 26px;
  height: 2.5px;
  background: var(--neutral-700);
  border-radius: 3px;
  transition: all var(--transition-base);
  transform-origin: center;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--primary-900);
}

.hero-slider-container {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
}

.hero-slider-track {
  display: flex;
  width: 100%;
  height: 100%;
  transition: transform 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.hero-slide {
  position: relative;
  display: flex;
  align-items: center;
  min-width: 100%;
  height: 100%;
  flex-shrink: 0;
}

.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 1;
  filter: brightness(0.7) saturate(1.05);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg,
      rgba(10, 15, 30, 0.75) 0%,
      rgba(10, 15, 30, 0.55) 40%,
      rgba(10, 15, 30, 0.2) 70%,
      transparent 100%);
  pointer-events: none;
}

.slider-nav {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  z-index: 4;
  display: flex;
  justify-content: space-between;
  padding: 0 4%;
  pointer-events: none;
}

.slider-nav button {
  pointer-events: auto;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(5px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.slider-nav button:hover {
  background: var(--primary-500);
  border-color: var(--primary-500);
  transform: scale(1.1);
}



.hero-content {
  position: relative;
  z-index: 3;
  max-width: 720px;
  padding: 40px 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 8px 20px;
  border-radius: 4px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--primary-200);
  margin-bottom: 28px;
  animation: fadeInUp 0.8s ease both;
}

.hero-badge i {
  color: var(--accent-cyan);
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 20px;
  line-height: 1.1;
  animation: fadeInUp 0.8s ease 0.15s both;
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--accent-sky), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--primary-200);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 560px;
  animation: fadeInUp 0.8s ease 0.3s both;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.45s both;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 0.9375rem;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
  color: var(--white);
  box-shadow: var(--shadow-blue);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 35px rgba(37, 99, 235, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--white);
  transform: translateY(-2px);
}



/* Hero stats bar */
.hero-stats {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 4;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(20px);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-stats .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.stat-item {
  padding: 28px 24px;
  text-align: center;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  transition: background var(--transition-fast);
}

.stat-item:last-child {
  border-right: none;
}

.stat-item:hover {
  background: rgba(255, 255, 255, 0.05);
}

.stat-number {
  font-family: 'Inter', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 4px;
}

.stat-number span {
  color: var(--accent-cyan);
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--primary-300);
  font-weight: 500;
}

/* ===== ABOUT SECTION ===== */
.about {
  padding: 100px 0;
  background: var(--neutral-50);
  position: relative;
  overflow: hidden;
}

.about::before {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.06) 0%, transparent 70%);
  top: -200px;
  right: -200px;
  pointer-events: none;
}

.about .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-image-wrap {
  position: relative;
}

.about-image {
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.about-image img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.about-image:hover img {
  transform: scale(1.03);
}

.about-float-card {
  position: absolute;
  bottom: -30px;
  right: -30px;
  background: var(--white);
  border-radius: 4px;
  padding: 24px 28px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 16px;
}

.about-float-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--primary-500), var(--accent-sky));
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.25rem;
}

.about-float-text strong {
  display: block;
  font-size: 1.5rem;
  font-family: 'Inter', sans-serif;
  color: var(--primary-700);
}

.about-float-text span {
  font-size: 0.8125rem;
  color: var(--neutral-500);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--primary-600);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  width: 32px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-500), var(--accent-sky));
  border-radius: 2px;
}

.about-title {
  font-size: 2.5rem;
  margin-bottom: 20px;
  color: var(--neutral-900);
}

.about-title .highlight {
  color: var(--primary-600);
}

.about-text {
  font-size: 1rem;
  color: var(--neutral-600);
  line-height: 1.8;
  margin-bottom: 20px;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 28px;
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--white);
  border-radius: 10px;
  border: 1px solid var(--neutral-100);
  transition: all var(--transition-fast);
}

.about-feature:hover {
  border-color: var(--primary-200);
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}

.about-feature i {
  color: var(--primary-500);
  font-size: 1rem;
}

.about-feature span {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--neutral-700);
}

/* ===== PRODUCTS SECTION ===== */
.products {
  padding: 100px 0;
  background: var(--white);
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 60px;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--neutral-500);
  line-height: 1.7;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.product-card {
  background: var(--white);
  border-radius: 4px;
  padding: 36px 28px;
  text-align: center;
  border: 1px solid var(--neutral-100);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-500), var(--accent-sky));
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-200);
}

.product-card:hover::before {
  transform: scaleX(1);
}

.product-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--primary-50), var(--primary-100));
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: var(--primary-600);
  transition: all var(--transition-base);
}

.product-card:hover .product-icon {
  background: linear-gradient(135deg, var(--primary-500), var(--accent-sky));
  color: var(--white);
  transform: scale(1.08) rotate(5deg);
  box-shadow: var(--shadow-blue);
}

.product-card h3 {
  font-size: 1.125rem;
  margin-bottom: 10px;
  color: var(--neutral-800);
}

.product-card p {
  font-size: 0.875rem;
  color: var(--neutral-500);
  line-height: 1.6;
}

/* ===== SERVICES / WHY US ===== */
.why-us {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--primary-950) 0%, var(--primary-900) 100%);
  position: relative;
  overflow: hidden;
}

.why-us .section-title {
  color: var(--white);
}

.why-us .section-subtitle {
  color: var(--primary-300);
}

.why-us .section-label {
  color: var(--primary-300);
}

.why-us-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.why-card {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  padding: 40px 32px;
  transition: all var(--transition-base);
}

.why-card:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.15);
}

.why-card-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary-500), var(--accent-sky));
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.5rem;
  margin-bottom: 24px;
}

.why-card h3 {
  color: var(--white);
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.why-card p {
  color: var(--primary-300);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ===== SECTORS SECTION ===== */
.sectors {
  padding: 100px 0;
  background: var(--neutral-50);
}

.sectors-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.sector-card {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  height: 280px;
  cursor: pointer;
  group: true;
}

.sector-card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: all var(--transition-slow);
}

.sector-card-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
  transition: all var(--transition-base);
}

.sector-card:hover .sector-card-bg {
  transform: scale(1.05);
}

.sector-card:hover .sector-card-bg::after {
  background: rgba(15, 23, 42, 0.2);
}

.sector-card-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 32px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.5) 0%, transparent 60%);
}

.sector-card-icon {
  font-size: 2.5rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 16px;
  transition: transform var(--transition-base);
}

.sector-card:hover .sector-card-icon {
  transform: translateY(-4px);
}

.sector-card h3 {
  color: var(--white);
  font-size: 1.25rem;
  margin-bottom: 6px;
}

.sector-card p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
}

/* ===== ECO / GREEN SECTION ===== */
.eco-section {
  padding: 100px 0;
  background: var(--white);
  position: relative;
}

.eco-section .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.eco-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.eco-image-wrap {
  width: 100%;
  max-width: 480px;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  margin: 0 auto;
}

.eco-image-wrap img {
  width: 100%;
  height: auto;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
}

.eco-content .eco-highlight {
  display: flex;
  gap: 20px;
  margin-top: 32px;
}

.eco-stat {
  background: linear-gradient(135deg, var(--primary-50), var(--white));
  border: 1px solid var(--primary-100);
  border-radius: 4px;
  padding: 24px;
  text-align: center;
  flex: 1;
}

.eco-stat strong {
  display: block;
  font-family: 'Inter', sans-serif;
  font-size: 1.75rem;
  color: var(--primary-600);
  margin-bottom: 4px;
}

.eco-stat span {
  font-size: 0.8125rem;
  color: var(--neutral-500);
}

/* ===== PARTNERS SECTION ===== */
.partners {
  padding: 80px 0;
  background: var(--neutral-50);
  border-top: 1px solid var(--neutral-100);
  border-bottom: 1px solid var(--neutral-100);
}

.partners-title {
  text-align: center;
  margin-bottom: 48px;
}

.partners-title h3 {
  font-size: 1.5rem;
  color: var(--neutral-800);
  margin-bottom: 8px;
}

.partners-title p {
  color: var(--neutral-500);
  font-size: 0.9375rem;
}

.partners-track {
  display: flex;
  gap: 48px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}

.partner-item {
  padding: 20px 32px;
  background: var(--white);
  border-radius: 4px;
  border: 1px solid var(--neutral-100);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--neutral-500);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.partner-item:hover {
  border-color: var(--primary-200);
  color: var(--primary-600);
  box-shadow: var(--shadow-sm);
  transform: translateY(-3px);
}

.partner-item i {
  font-size: 1.5rem;
  color: var(--primary-400);
}

/* ===== CONTACT SECTION ===== */
.contact-section {
  padding: 80px 0;
  background: var(--neutral-50);
  position: relative;
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: flex-start;
}

.contact-big-title {
  font-family: 'Inter', sans-serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  color: var(--primary-900);
  line-height: 1.05;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.contact-info-desc {
  font-size: 1rem;
  color: var(--neutral-600);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 400px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-detail-icon {
  width: 44px;
  height: 44px;
  border-radius: 4px;
  background: var(--neutral-100);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-600);
  font-size: 1rem;
  flex-shrink: 0;
  border: 1px solid var(--neutral-200);
}

.contact-detail-text strong {
  display: block;
  font-size: 0.9375rem;
  color: var(--primary-900);
  font-weight: 700;
  font-family: 'Inter', sans-serif;
  margin-bottom: 4px;
}

.contact-detail-text span {
  font-size: 0.8125rem;
  color: var(--neutral-600);
  line-height: 1.5;
}

/* Contact Form */
.contact-form-wrap {
  background: var(--white);
  border: 1px solid var(--neutral-200);
  box-shadow: var(--shadow-sm);
  border-radius: 4px;
  padding: 40px;
}

.contact-form-title {
  font-family: 'Inter', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-900);
  margin-bottom: 8px;
}

.contact-form-desc {
  font-size: 0.875rem;
  color: var(--neutral-600);
  margin-bottom: 28px;
  line-height: 1.6;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group.full-width {
  margin-bottom: 16px;
}

.form-group label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--primary-800);
}

.form-group label .optional {
  font-weight: 400;
  color: var(--neutral-500);
  font-size: 0.75rem;
}

.form-group input,
.form-group textarea {
  background: var(--white);
  border: 1px solid var(--neutral-300);
  border-radius: 4px;
  padding: 12px 16px;
  font-size: 0.875rem;
  color: var(--primary-900);
  font-family: 'Inter', sans-serif;
  transition: all var(--transition-fast);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--neutral-400);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary-600);
  background: rgba(91, 192, 235, 0.06);
  box-shadow: 0 0 0 3px rgba(91, 192, 235, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-hint {
  font-size: 0.75rem;
  color: var(--neutral-500);
  margin-top: 4px;
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
}

.form-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary-600);
  cursor: pointer;
  flex-shrink: 0;
}

.form-checkbox label {
  font-size: 0.8125rem;
  color: var(--neutral-600);
  cursor: pointer;
}

.form-checkbox label a {
  color: var(--primary-600);
  text-decoration: none;
  font-weight: 500;
}

.form-checkbox label a:hover {
  text-decoration: underline;
}

.btn-submit {
  width: 100%;
  padding: 16px 32px;
  background: var(--primary-600);
  color: var(--white);
  font-size: 0.9375rem;
  font-weight: 700;
  font-family: 'Inter', sans-serif;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-blue);
}

.btn-submit:hover {
  transform: translateY(-2px);
  background: var(--primary-800);
  box-shadow: 0 12px 35px rgba(0, 58, 112, 0.3);
}

.btn-submit:active {
  transform: translateY(0);
}

/* CTA Buttons (kept for backwards compatibility) */
.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-white {
  background: var(--white);
  color: var(--primary-700);
  font-weight: 700;
}

.btn-white:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-3px);
}


/* ===== FAQ ACCORDION ===== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--neutral-200);
  border-radius: 4px;
  overflow: hidden;
  transition: all var(--transition-base);
}

.faq-item:hover {
  border-color: var(--primary-200);
}

.faq-item.active {
  border-color: var(--primary-300);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--neutral-800);
  text-align: left;
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--primary-600);
}

.faq-question i {
  font-size: 0.75rem;
  color: var(--neutral-400);
  transition: transform var(--transition-base);
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
  color: var(--primary-600);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
  padding: 0 24px;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}

.faq-answer p {
  font-size: 0.9375rem;
  color: var(--neutral-600);
  line-height: 1.8;
}

.faq-answer strong {
  color: var(--primary-700);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--neutral-900);
  padding: 80px 0 0;
  color: var(--neutral-400);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-brand .logo-icon {
  width: 42px;
  height: 42px;
  font-size: 1.1rem;
  margin-bottom: 20px;
}

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

.footer-logo svg {
  filter: drop-shadow(0 2px 8px rgba(91, 192, 235, 0.3));
}

.footer-brand p {
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: 24px;
  color: var(--neutral-400);
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--neutral-400);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--primary-600);
  color: var(--white);
  transform: translateY(-3px);
}

.footer-col h4 {
  font-size: 1rem;
  color: var(--white);
  margin-bottom: 24px;
  font-family: 'Inter', sans-serif;
}

.footer-col a {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--neutral-400);
  padding: 6px 0;
  transition: all var(--transition-fast);
}

.footer-col a:hover {
  color: var(--primary-400);
  padding-left: 6px;
}

.footer-col a i {
  font-size: 0.625rem;
  color: var(--primary-500);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
}

.footer-contact-item i {
  color: var(--primary-400);
  margin-top: 4px;
  font-size: 0.875rem;
}

.footer-contact-item span {
  font-size: 0.875rem;
  line-height: 1.5;
}

.footer-bottom {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
}

.footer-bottom a {
  color: var(--primary-400);
  transition: color var(--transition-fast);
}

.footer-bottom a:hover {
  color: var(--primary-300);
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

/* ===== SCROLL TO TOP ===== */
.scroll-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
  color: var(--white);
  border: none;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  box-shadow: var(--shadow-blue);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  z-index: 999;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 35px rgba(37, 99, 235, 0.4);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

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

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */

/* --- Tablet Landscape --- */
@media (max-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .why-us-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .sectors-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-content {
    max-width: 600px;
  }
}

/* --- Tablet Portrait & Mobile --- */
@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .container {
    padding: 0 16px;
  }

  /* Topbar — hide on mobile */
  .topbar {
    display: none;
  }

  /* Hamburger — show on mobile */
  .hamburger {
    display: flex;
  }

  /* Logo — smaller on mobile */
  .header .logo img {
    height: 44px !important;
  }

  /* Mobile Navigation Drawer */
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 340px;
    height: 100vh;
    height: 100dvh;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    padding: 90px 24px 40px;
    gap: 4px;
    box-shadow: -8px 0 30px rgba(0,0,0,0.15);
    transition: right var(--transition-base);
    overflow-y: auto;
    z-index: 999;
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-link {
    width: 100%;
    font-size: 1rem;
    padding: 12px 16px;
  }

  .dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    padding: 0 0 0 16px;
    display: none;
    pointer-events: auto;
    min-width: auto;
  }

  .dropdown::before {
    display: none;
  }

  .nav-item.active .dropdown {
    display: block;
  }

  .dropdown-link {
    padding: 10px 14px;
    font-size: 0.875rem;
  }

  /* Hero Section */
  .hero {
    min-height: 75vh;
  }

  .hero-overlay {
    background: linear-gradient(180deg,
      rgba(10, 15, 30, 0.7) 0%,
      rgba(10, 15, 30, 0.5) 50%,
      rgba(10, 15, 30, 0.3) 100%) !important;
  }

  .hero-content {
    max-width: 100%;
    padding: 30px 0;
  }

  .hero-badge {
    font-size: 0.75rem;
    padding: 6px 14px;
    margin-bottom: 20px;
  }

  .hero-title {
    font-size: 1.75rem;
    margin-bottom: 14px;
  }

  .hero-desc {
    font-size: 0.9375rem;
    margin-bottom: 24px;
    line-height: 1.6;
  }

  .hero-buttons {
    flex-direction: column;
    gap: 10px;
  }

  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
    padding: 12px 24px;
    font-size: 0.875rem;
  }

  /* Slider Nav Arrows */
  .slider-nav {
    padding: 0 8px;
  }

  .slider-nav button {
    width: 40px;
    height: 40px;
    font-size: 0.9rem;
  }

  /* Hero Stats Bar */
  .hero-stats .container {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-item {
    padding: 18px 12px;
  }

  .stat-number {
    font-size: 1.5rem;
  }

  .stat-label {
    font-size: 0.6875rem;
  }

  /* Page Headers (inner pages) */
  .page-header {
    padding: 100px 0 40px !important;
  }

  .page-header h1 {
    font-size: 2rem !important;
  }

  .page-header p {
    font-size: 0.9375rem !important;
  }

  /* About Section */
  .about {
    padding: 60px 0;
  }

  .about .container,
  .eco-section .container {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .about-image img {
    height: 260px;
  }

  .about-title {
    font-size: 1.75rem;
  }

  .about-float-card {
    right: 10px;
    bottom: -16px;
    padding: 16px 20px;
  }

  .about-float-icon {
    width: 42px;
    height: 42px;
    font-size: 1rem;
  }

  .about-float-text strong {
    font-size: 1.2rem;
  }

  .about-float-text span {
    font-size: 0.75rem;
  }

  .about-features {
    grid-template-columns: 1fr;
  }

  /* Products Section */
  .products {
    padding: 60px 0;
  }

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

  .product-card {
    padding: 28px 20px;
  }

  /* Section Header */
  .section-header {
    margin-bottom: 40px;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .section-subtitle {
    font-size: 0.9375rem;
  }

  /* Why Us Section */
  .why-us {
    padding: 60px 0;
  }

  .why-us-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .why-card {
    padding: 28px 24px;
  }

  /* Sectors Section */
  .sectors {
    padding: 60px 0;
  }

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

  .sector-card {
    height: 220px;
  }

  /* Partners Section */
  .partners {
    padding: 50px 0;
  }

  .partners-track {
    gap: 12px;
    justify-content: center;
  }

  .partner-item {
    padding: 14px 18px;
    font-size: 0.75rem;
    white-space: normal;
    text-align: center;
    flex-direction: column;
    gap: 8px;
    flex: 0 0 calc(50% - 6px);
  }

  .partner-item i {
    font-size: 1.2rem;
  }

  /* Contact Section */
  .contact-section {
    padding: 50px 0 !important;
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .contact-big-title {
    font-size: 2rem;
  }

  .contact-info-desc {
    max-width: 100%;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .contact-form-wrap {
    padding: 24px;
  }

  /* FAQ Section */
  .faq-question {
    padding: 16px 18px;
    font-size: 0.9375rem;
  }

  .faq-answer {
    padding: 0 18px;
  }

  .faq-item.active .faq-answer {
    padding: 0 18px 16px;
  }

  .faq-answer p {
    font-size: 0.875rem;
  }

  /* Eco Section */
  .eco-section {
    padding: 60px 0;
  }

  .eco-image-wrap {
    max-width: 100%;
  }

  .eco-content .eco-highlight {
    flex-direction: column;
  }

  .eco-stat {
    padding: 18px;
  }

  .eco-stat strong {
    font-size: 1.4rem;
  }

  /* Footer */
  .footer {
    padding: 50px 0 0;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .footer-bottom-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
  }

  /* Scroll to top */
  .scroll-top {
    bottom: 16px;
    right: 16px;
    width: 42px;
    height: 42px;
    font-size: 1rem;
  }
}

/* --- Small Mobile --- */
@media (max-width: 480px) {
  .hero {
    min-height: 70vh;
  }

  .hero-title {
    font-size: 1.5rem;
  }

  .hero-desc {
    font-size: 0.875rem;
  }

  .hero-stats .container {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-number {
    font-size: 1.25rem;
  }

  .stat-label {
    font-size: 0.625rem;
  }

  .stat-item {
    padding: 14px 8px;
  }

  .page-header h1 {
    font-size: 1.625rem !important;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .about-title {
    font-size: 1.5rem;
  }

  .contact-big-title {
    font-size: 1.625rem;
  }

  .partner-item {
    flex: 0 0 100%;
  }

  .about-float-card {
    position: relative;
    right: auto;
    bottom: auto;
    margin-top: -20px;
    margin-left: 16px;
    margin-right: 16px;
  }
}

/* ===== GLOBAL SECTION SCROLL OFFSET ===== */
section {
  scroll-margin-top: 130px;
}

@media (max-width: 768px) {
  section {
    scroll-margin-top: 80px;
  }
}