/* ===== Design Tokens ===== */
:root {
  --green: #9be34e;
  --green-dark: #7fc73a;
  --dark: #222222;
  --light: #f5f5f5;
  --white: #ffffff;
  --soft-green: #eef8ef;
  --border-light: #eeeeee;
  --shadow-soft: 0 10px 20px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 14px 28px rgba(0, 0, 0, 0.15);
}

/* ===== Reset ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, sans-serif;
  color: var(--dark);
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-light);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 5vw;
  flex-wrap: wrap;
}

.logo {
  display: flex;
  align-items: center;
}

.logo-image {
  display: block;
  width: auto;
  height: 55px;
  transition: opacity 0.3s ease;
}

.logo-image:hover {
  opacity: 0.85;
}

/* ===== Main Navigation ===== */
.main-nav ul {
  display: flex;
  gap: 1rem;
  list-style: none;
  flex-wrap: wrap;
}

.main-nav a {
  display: inline-block;
  padding: 10px 14px;
  border-radius: 20px;
  color: var(--dark);
  text-decoration: none;
  transition: background 0.3s ease, color 0.3s ease;
}

.main-nav a:hover {
  background: var(--soft-green);
  color: var(--green);
}

.main-nav a.highlight {
  background: var(--green);
  color: var(--white);
}

.main-nav a.highlight:hover {
  background: var(--green-dark);
  color: var(--white);
}

/* ===== Sections ===== */
section {
  display: flex;
  align-items: center;
  min-height: 100vh;
  padding: 5rem 5vw;
  scroll-margin-top: 100px;
}

.content {
  width: 100%;
  max-width: 1200px;
  margin: auto;
}

.hero,
.subpage-hero {
  background: linear-gradient(to right, var(--white), var(--soft-green));
}

.subpage-hero {
  min-height: 70vh;
}

.subpage-hero p {
  max-width: 650px;
  margin-top: 1rem;
}

.gray {
  background: var(--light);
}

h1 {
  font-size: clamp(2rem, 6vw, 5rem);
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(1.8rem, 4vw, 3rem);
}

p {
  font-size: clamp(1rem, 2vw, 1.2rem);
}

/* ===== News Cards ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.card {
  padding: 1.5rem;
  background: var(--white);
  border-radius: 15px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
}

/* ===== Section Buttons ===== */
.section-actions {
  margin-top: 2rem;
  text-align: center;
}

.section-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 30px;
  background: var(--green);
  color: var(--white);
  font-weight: bold;
  text-decoration: none;
  transition: background 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.section-button:hover {
  background: var(--green-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

/* ===== Subpage Navigation ===== */
.page-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.page-title {
  position: relative;
  padding-right: 1rem;
  color: var(--dark);
  font-size: 1.2rem;
  font-weight: bold;
  letter-spacing: 2px;
}

.page-title::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 0;
  width: 1px;
  height: 24px;
  background: #cccccc;
  transform: translateY(-50%);
}

.back-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 25px;
  background: var(--green);
  color: var(--white);
  font-weight: bold;
  text-decoration: none;
  transition: background 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.back-button:hover {
  background: var(--green-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

/* ===== Footer ===== */
.site-footer {
  padding: 2rem;
  background: var(--dark);
  color: var(--white);
  text-align: center;
}

/* ===== Mobile Layout ===== */
@media (max-width: 768px) {
  .nav-container {
    flex-direction: column;
    align-items: center;
  }

  .main-nav ul,
  .page-nav {
    justify-content: center;
  }

  section {
    min-height: auto;
    scroll-margin-top: 170px;
  }
}

/* ===== VISCOM Catalog ===== */
.viscom-catalog {
  background: var(--light);
  min-height: auto;
  padding-top: 5rem;
  padding-bottom: 5rem;
}

/* Section title block */
.section-heading {
  max-width: 760px;
  margin-bottom: 2.5rem;
}

.section-heading p {
  color: #555;
  line-height: 1.6;
}

/* Catalog layout */
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
  align-items: start;
}

/* Catalog card */
.catalog-card {
  background: var(--white);
  border: 1px solid #e7eadf;
  border-radius: 24px;
  padding: 1.75rem;
  box-shadow: 0 16px 38px rgba(0,0,0,0.06);
}

/* Card header */
.catalog-card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid #eef0e7;
}

.catalog-number {
  display: flex;
  align-items: center;
  justify-content: center;

  width: 42px;
  height: 42px;
  flex: 0 0 42px;

  background: var(--green);
  color: var(--white);

  border-radius: 50%;
  font-size: 0.85rem;
  font-weight: bold;
}

.catalog-card h3 {
  font-size: clamp(1.35rem, 2vw, 1.8rem);
}

/* Product groups inside cards */
.catalog-group {
  margin-top: 1.5rem;
}

.catalog-group:first-of-type {
  margin-top: 0;
}

.catalog-group h4 {
  margin-bottom: 0.85rem;
  font-size: 1rem;
  color: var(--dark);
}

/* Product chips */
.catalog-group ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  list-style: none;
}

.catalog-group li {
  padding: 0.55rem 0.75rem;
  background: #f3f6ed;
  border: 1px solid #e3ead8;
  border-radius: 999px;

  color: #3f4638;
  font-size: 0.92rem;
  line-height: 1.25;
}

/* ===== VISCOM Catalog Mobile ===== */
@media (max-width: 900px) {
  .catalog-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .viscom-catalog {
    padding-top: 4rem;
    padding-bottom: 4rem;
  }

  .catalog-card {
    padding: 1.25rem;
    border-radius: 18px;
  }

  .catalog-group li {
    width: 100%;
    border-radius: 14px;
  }
}

/* ===== News Image Cards ===== */
.news-cards {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

/* News card container */
/* News card container */
.news-card {
  overflow: hidden;

  background: var(--white);
  border: 1px solid #e7eadf;
  border-radius: 22px;

  box-shadow: 0 12px 30px rgba(0,0,0,0.07);
  transition: all 0.3s ease;
}

/* News card hover effect */
.news-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 48px rgba(0,0,0,0.12);
}

/* News card image */
.news-image {
  display: block;

  width: 100%;
  height: auto;

  border-bottom: 1px solid #e7eadf;
}

/* News card text content */
.news-card-content {
  padding: 1.5rem;
}

.news-card-content h3 {
  margin-bottom: 0.75rem;
  font-size: 1.35rem;
}

.news-card-content p {
  color: #555;
  line-height: 1.6;
}

/* ===== News Image Cards Mobile ===== */
@media (max-width: 768px) {
  .news-cards {
    grid-template-columns: 1fr;
  }

  .news-image {
    height: 220px;
  }

  .news-card-content {
    padding: 1.25rem;
  }
}
/* ===== Contact Section ===== */
.contact-section {
  background: var(--white);
  min-height: auto;
  padding-top: 5rem;
  padding-bottom: 5rem;
}

/* Contact cards layout */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
  align-items: stretch;
}

/* Contact card */
.contact-card {
  background: var(--white);
  border: 1px solid #e7eadf;
  border-radius: 24px;
  padding: 1.75rem;

  box-shadow: 0 16px 38px rgba(0,0,0,0.06);
  transition: all 0.3s ease;
}

/* Contact card hover effect */
.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 48px rgba(0,0,0,0.10);
}

/* Contact card header */
.contact-card-header {
  display: flex;
  gap: 1rem;
  align-items: flex-start;

  padding-bottom: 1.25rem;
  margin-bottom: 1.25rem;

  border-bottom: 1px solid #eef0e7;
}

/* Contact card number */
.contact-icon {
  display: flex;
  align-items: center;
  justify-content: center;

  width: 42px;
  height: 42px;
  flex: 0 0 42px;

  background: var(--green);
  color: var(--white);

  border-radius: 50%;
  font-size: 0.85rem;
  font-weight: bold;
}

/* Contact card text */
.contact-card h3 {
  margin-bottom: 0.4rem;
  font-size: clamp(1.3rem, 2vw, 1.7rem);
}

.contact-card-header p {
  color: #555;
  line-height: 1.5;
}

/* Contact detail rows */
.contact-details {
  display: grid;
  gap: 1rem;
}

.contact-details p {
  display: grid;
  gap: 0.25rem;

  padding: 0.9rem 1rem;
  background: #f7f8f5;
  border: 1px solid #e7eadf;
  border-radius: 16px;
}

.contact-details strong {
  font-size: 0.78rem;
  color: #5c7d30;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contact-details span,
.contact-details a {
  color: var(--dark);
  font-size: 1rem;
  text-decoration: none;
}

.contact-details a:hover {
  color: var(--green);
}

/* ===== Contact Section Mobile ===== */
@media (max-width: 768px) {
  .contact-section {
    padding-top: 4rem;
    padding-bottom: 4rem;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .contact-card {
    padding: 1.25rem;
    border-radius: 18px;
  }

  .contact-card-header {
    flex-direction: column;
  }
}