:root {
  --eh-blue: #16386f;
  --eh-orange: #ef6c00;
  --eh-text: #223047;
  --eh-light: #f5f7fb;
  --eh-white: #ffffff;
  --eh-shadow: 0 10px 30px rgba(15, 23, 42, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: var(--eh-text);
  background: #fff;
}

img {
  max-width: 100%;
}

.eh-container {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.eh-btn {
  display: inline-block;
  padding: 14px 22px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: 0.2s ease;
}

.eh-btn-primary {
  background: var(--eh-orange);
  color: #fff;
}

.eh-btn-primary:hover {
  opacity: 0.92;
}

.eh-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(14, 24, 44, 0.88);
  backdrop-filter: blur(10px);
}

.eh-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 0;
}

.eh-logo img {
  height: 56px;
  width: auto;
  display: block;
  background: #fff;
  border-radius: 10px;
  padding: 4px;
}

.eh-nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.eh-nav a {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
}

.eh-hero {
  position: relative;
  min-height: 86vh;
  display: flex;
  align-items: center;
  color: #fff;
  background:
    linear-gradient(rgba(10, 20, 40, 0.7), rgba(10, 20, 40, 0.74)),
    url("images/placeholder.png") center/cover no-repeat;
}

.eh-hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  padding: 70px 0;
}

.eh-kicker {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 14px;
  margin-bottom: 18px;
}

.eh-hero h1 {
  font-size: clamp(38px, 6vw, 72px);
  line-height: 1.05;
  margin: 0 0 18px;
}

.eh-hero h1 {
  color: #ff9a3d;
}

.eh-hero h1 span {
  color: #ffffff;
}

.eh-hero p {
  font-size: 19px;
  line-height: 1.75;
  max-width: 720px;
  opacity: 0.94;
}

.eh-scroll-indicator {
  margin-top: 40px;
  text-align: center;
  opacity: 0.9;
}

.eh-scroll-label {
  font-size: 14px;
  margin-bottom: 8px;
}

.eh-mouse {
  width: 28px;
  height: 46px;
  border: 2px solid rgba(255, 255, 255, 0.8);
  border-radius: 16px;
  margin: 0 auto;
  position: relative;
}

.eh-mouse-wheel {
  width: 4px;
  height: 8px;
  background: #fff;
  border-radius: 4px;
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  animation: ehscroll 1.6s infinite;
}

.eh-card {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 28px;
  padding: 28px;
  box-shadow: var(--eh-shadow);
}

.eh-card-logo-only {
  padding: 0;
  overflow: hidden;
}

.eh-card-logo-only .eh-card-logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0.5;
  padding: 40px;
}

.eh-card h3 {
  margin-top: 0;
  font-size: 28px;
}

.eh-card p {
  font-size: 16px;
  line-height: 1.8;
}

.eh-section {
  padding: 82px 0;
}

.eh-section-light {
  background: var(--eh-light);
}

.eh-title {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 48px;
}

.eh-title .small {
  color: var(--eh-orange);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-weight: 700;
  font-size: 13px;
}

.eh-title h2 {
  margin: 14px 0 12px;
  color: var(--eh-blue);
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.12;
}

.eh-title p {
  margin: 0;
  font-size: 18px;
  line-height: 1.8;
  color: #5c6a7f;
}

.eh-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.eh-category {
  background: #fff;
  border-radius: 26px;
  overflow: hidden;
  box-shadow: 0 12px 35px rgba(20, 35, 70, 0.08);
}

.eh-category-head {
  padding: 24px;
  color: #fff;
  font-size: 26px;
  font-weight: 800;
}

.eh-category-unified {
  background: linear-gradient(135deg, #ef6c00, #ff9800);
}

.eh-products {
  padding: 22px;
  display: grid;
  gap: 12px;
}

.eh-product-btn {
  width: 100%;
  border: 1px solid #e1e8f0;
  background: #fff;
  color: var(--eh-text);
  border-radius: 18px;
  padding: 16px 18px;
  text-align: left;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  transition: 0.2s ease;
}

.eh-product-btn:hover {
  border-color: #ffb173;
  background: #fff8f1;
  transform: translateY(-1px);
}

.eh-about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: stretch;
}

.eh-about-main {
  background: var(--eh-blue);
  color: #fff;
  border-radius: 28px;
  padding: 34px;
  box-shadow: var(--eh-shadow);
}

.eh-about-small,
.eh-contact-small {
  color: #ffb173;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-weight: 700;
  font-size: 13px;
}

.eh-about-main h3 {
  font-size: 38px;
  line-height: 1.12;
  margin: 10px 0 20px;
}

.eh-about-main p {
  line-height: 1.9;
  font-size: 17px;
  color: rgba(255, 255, 255, 0.9);
}

.eh-about-side {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.eh-mini {
  background: #fff;
  border-radius: 22px;
  padding: 24px;
  box-shadow: 0 12px 35px rgba(20, 35, 70, 0.08);
}

.eh-mini h4 {
  margin: 0 0 10px;
  color: var(--eh-blue);
  font-size: 22px;
}

.eh-mini p {
  margin: 0;
  line-height: 1.75;
  color: #5c6a7f;
}

.eh-contact {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 28px;
}

.eh-contact-info {
  background: #0e1830;
  color: #fff;
  border-radius: 28px;
  padding: 32px;
}

.eh-contact-info h3 {
  font-size: 38px;
  margin: 10px 0 14px;
}

.eh-contact-info p {
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.82);
}

.eh-contact-list div {
  margin-top: 16px;
  font-weight: 700;
}

.eh-form-box {
  background: #fff;
  border-radius: 28px;
  padding: 30px;
  box-shadow: var(--eh-shadow);
}

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

.eh-field label {
  display: block;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--eh-blue);
}

.eh-field input,
.eh-field textarea {
  width: 100%;
  border: 1px solid #d7dfeb;
  border-radius: 16px;
  padding: 14px 16px;
  font-size: 16px;
  font-family: inherit;
}

.eh-field textarea {
  min-height: 160px;
  resize: vertical;
}

.eh-field-full {
  grid-column: 1 / -1;
}

.eh-submit-btn {
  border: 0;
  cursor: pointer;
}

.eh-footer {
  padding: 22px 0;
  text-align: center;
  color: #708097;
  font-size: 14px;
  border-top: 1px solid #e4ebf3;
}

.eh-modal {
  position: fixed;
  inset: 0;
  background: rgba(9, 16, 31, 0.8);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 18px;
  z-index: 9999;
}

.eh-modal.active {
  display: flex;
}

.eh-modal-box {
  background: #fff;
  width: min(980px, 100%);
  max-height: 92vh;
  overflow: auto;
  border-radius: 28px;
  position: relative;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.28);
}

.eh-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.96);
  font-size: 24px;
  cursor: pointer;
  z-index: 2;
}

.eh-modal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.eh-modal-media img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
  display: block;
}

.eh-modal-content {
  padding: 30px;
}

.eh-modal-content .small {
  color: var(--eh-orange);
  text-transform: uppercase;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.24em;
}

.eh-modal-content h3 {
  color: var(--eh-blue);
  font-size: 34px;
  line-height: 1.15;
  margin: 12px 0 16px;
}

.eh-modal-content p {
  line-height: 1.85;
  color: #536177;
}

.eh-benefits {
  margin: 22px 0 0;
  padding: 18px 20px;
  background: #f6f8fb;
  border-radius: 18px;
}

.eh-benefits strong {
  display: block;
  margin-bottom: 10px;
  color: var(--eh-blue);
  font-size: 18px;
}

.eh-benefits ul {
  margin: 0;
  padding-left: 18px;
  color: #536177;
  line-height: 1.8;
}

@keyframes ehscroll {
  0% {
    opacity: 0;
    transform: translate(-50%, 0);
  }

  40% {
    opacity: 1;
  }

  80% {
    transform: translate(-50%, 12px);
    opacity: 0;
  }

  100% {
    opacity: 0;
  }
}

@media (max-width: 980px) {

  .eh-hero-grid,
  .eh-grid,
  .eh-about,
  .eh-contact,
  .eh-modal-grid {
    grid-template-columns: 1fr;
  }

  .eh-about-side,
  .eh-form-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .eh-nav {
    display: none;
  }

  .eh-header-inner {
    justify-content: center;
  }

  .eh-hero {
    min-height: auto;
  }

  .eh-section {
    padding: 64px 0;
  }

  .eh-about-main h3,
  .eh-contact-info h3 {
    font-size: 30px;
  }

  .eh-modal-content h3 {
    font-size: 28px;
  }
}

.eh-card-logo-only {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.eh-card-logo-only .eh-card-logo {
  height: 180px;
  opacity: 0.75;
}

.eh-card-logo-only {
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.eh-card-logo-only img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0.45;
  background: none;
  border-radius: 0;
  padding: 0;
}

.eh-carousel-section {
  background: #fff;
}

.eh-carousel {
  position: relative;
  overflow: hidden;
  border-radius: 20px;
  box-shadow: var(--eh-shadow);
}

.eh-carousel-track {
  display: flex;
  transition: transform 0.4s ease;
}

.eh-carousel-slide {
  min-width: 100%;
  height: 500px;
  object-fit: contain;
  background: #f5f7fb;
  padding: 30px;
}

.eh-carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.4);
  border: none;
  color: white;
  font-size: 28px;
  width: 50px;
  height: 50px;
  cursor: pointer;
  z-index: 5;
}

.eh-carousel-btn.prev {
  left: 10px;
}

.eh-carousel-btn.next {
  right: 10px;
}

.eh-carousel-btn:hover {
  background: rgba(0, 0, 0, 0.6);
}

.eh-expertise {
  background: var(--eh-light);
}

.eh-expertise-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.eh-expertise-image img {
  width: 100%;
  border-radius: 24px;
  box-shadow: var(--eh-shadow);
}

.eh-expertise-content h3 {
  font-size: 36px;
  margin: 10px 0 20px;
  color: var(--eh-blue);
}

.eh-expertise-content p {
  line-height: 1.9;
  font-size: 17px;
  color: #536177;
}

.eh-expertise-list {
  margin: 16px 0 22px;
  padding-left: 20px;
}

.eh-expertise-list li {
  margin-bottom: 8px;
  font-weight: 600;
}

.eh-expertise .small {
  color: var(--eh-orange);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-weight: 700;
  font-size: 13px;
}

.eh-title-small {
  color: var(--eh-orange);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-weight: 700;
  font-size: 13px;
}