/* =============================================
   ZuiderTech — Main Stylesheet
   ============================================= */

/* --- Google Fonts & Variables --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Merriweather:wght@400;700&display=swap');

:root {
  --color-primary:     #0f4c81;
  --color-primary-light: #1a6bbf;
  --color-accent:      #f0a500;
  --color-dark:        #0d1b2a;
  --color-text:        #2c3e50;
  --color-text-light:  #5a6a7a;
  --color-bg:          #f7f9fc;
  --color-white:       #ffffff;
  --color-border:      #dde3ec;
  --color-card-bg:     #ffffff;

  --font-sans:   'Inter', sans-serif;
  --font-serif:  'Merriweather', serif;

  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;

  --shadow-sm:   0 1px 4px rgba(0,0,0,0.07);
  --shadow-md:   0 4px 16px rgba(0,0,0,0.10);
  --shadow-lg:   0 8px 32px rgba(0,0,0,0.13);

  --transition:  all 0.25s ease;
  --max-width:   1140px;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
}

img { max-width: 100%; display: block; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }

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

.section-padding { padding: 88px 0; }
.section-padding-sm { padding: 56px 0; }

/* --- Typography Helpers --- */
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-sans);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800;
  color: var(--color-dark);
  line-height: 1.25;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-light);
  max-width: 600px;
  line-height: 1.75;
}

/* =============================================
   NAVIGATION
   ============================================= */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
  height: 70px;
  display: flex;
  align-items: center;
}

.navbar.scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.navbar .container {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.nav-logo .logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  transition: var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--color-primary);
  transition: var(--transition);
  border-radius: 2px;
}

.nav-links a:hover,
.nav-links a.active { color: var(--color-primary); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.nav-cta {
  background: var(--color-primary) !important;
  color: white !important;
  padding: 9px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600 !important;
  transition: var(--transition) !important;
}

.nav-cta:hover { background: var(--color-primary-light) !important; }
.nav-cta::after { display: none !important; }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-dark);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =============================================
   BUTTONS
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  text-decoration: none;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary-light);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(15,76,129,0.3);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-primary);
  color: white;
  transform: translateY(-1px);
}

.btn-accent {
  background: var(--color-accent);
  color: var(--color-dark);
  border-color: var(--color-accent);
}
.btn-accent:hover {
  background: #d49300;
  border-color: #d49300;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(240,165,0,0.35);
}

/* =============================================
   HERO SECTION
   ============================================= */
.hero {
  padding-top: 140px;
  padding-bottom: 96px;
  background: linear-gradient(160deg, #0d1b2a 0%, #0f4c81 60%, #1a6bbf 100%);
  position: relative;
  overflow: hidden;
  color: white;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 80% 20%, rgba(240,165,0,0.12) 0%, transparent 50%),
    radial-gradient(circle at 10% 80%, rgba(255,255,255,0.05) 0%, transparent 40%);
}

/* grid pattern overlay */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero .container { position: relative; z-index: 1; }

.hero-content {
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(240,165,0,0.18);
  border: 1px solid rgba(240,165,0,0.35);
  color: var(--color-accent);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 28px;
}

.hero-title {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero-title .highlight {
  color: var(--color-accent);
}

.hero-description {
  font-size: 1.1rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.8);
  margin-bottom: 40px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }

.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.15);
  flex-wrap: wrap;
  justify-content: center;
}

.stat-item {}

.stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
  font-weight: 500;
}

/* =============================================
   ABOUT SECTION
   ============================================= */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

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

.about-image-wrap img {
  width: 100%;
  height: 440px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.about-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-md);
  padding: 20px 24px;
  box-shadow: var(--shadow-md);
  text-align: center;
}

.about-badge .badge-number {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
  color: var(--color-accent);
}

.about-badge .badge-text {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.8);
  font-weight: 500;
  margin-top: 4px;
}

.about-text .section-subtitle {
  margin-bottom: 28px;
  max-width: 100%;
}

.about-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 36px;
}

.about-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--color-text);
}

.about-list li .check-icon {
  width: 22px;
  height: 22px;
  background: rgba(15,76,129,0.1);
  color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  flex-shrink: 0;
  margin-top: 2px;
}

/* =============================================
   SERVICES SECTION
   ============================================= */
.services { background: var(--color-dark); color: white; }

.services .section-title { color: white; }
.services .section-subtitle { color: rgba(255,255,255,0.6); }

.services-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 56px;
  gap: 24px;
  flex-wrap: wrap;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,107,191,0.15), transparent);
  opacity: 0;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(26,107,191,0.5);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}

.service-card:hover::before { opacity: 1; }

.service-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.4rem;
  margin-bottom: 24px;
}

.service-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: white;
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
}

/* =============================================
   WORK / PROJECTS SECTION
   ============================================= */
.work-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.work-card {
  background: var(--color-card-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.work-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.work-card-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.work-card-body { padding: 28px; }

.work-tag {
  display: inline-block;
  background: rgba(15,76,129,0.08);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 100px;
  margin-bottom: 12px;
}

.work-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 10px;
}

.work-card p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* =============================================
   ARTICLES / BLOG
   ============================================= */
.articles-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 48px;
  gap: 24px;
  flex-wrap: wrap;
}

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

.article-card {
  background: var(--color-card-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.article-card-image {
  width: 100%;
  height: 190px;
  object-fit: cover;
}

.article-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.article-category {
  display: inline-block;
  background: rgba(15,76,129,0.08);
  color: var(--color-primary);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 100px;
  margin-bottom: 12px;
}

.article-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 10px;
  line-height: 1.45;
}

.article-card p {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.7;
  flex: 1;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.article-meta i { font-size: 0.75rem; }

.article-read-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 600;
  margin-top: 14px;
  transition: var(--transition);
}

.article-read-link:hover { gap: 10px; color: var(--color-primary-light); }

/* Articles listing page */
.articles-listing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.article-card-large .article-card-image { height: 230px; }
.article-card-large .article-card-body  { padding: 28px; }
.article-card-large h3 { font-size: 1.2rem; }

/* =============================================
   CONTACT SECTION
   ============================================= */
.contact { background: var(--color-dark); color: white; }
.contact .section-title { color: white; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}

.contact-info p {
  color: rgba(255,255,255,0.65);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 36px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.contact-item-icon {
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.07);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 1rem;
  flex-shrink: 0;
}

.contact-item-text .label {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.45);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.contact-item-text .value {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.9);
  font-weight: 500;
  margin-top: 2px;
}

/* Contact Form */
.contact-form {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: 40px;
}

.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: white;
  outline: none;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-primary-light);
  background: rgba(255,255,255,0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.3); }

.form-group textarea { resize: vertical; min-height: 130px; }

.form-group select option { background: var(--color-dark); color: white; }

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

/* =============================================
   FOOTER
   ============================================= */
footer {
  background: #070e17;
  color: rgba(255,255,255,0.55);
  padding: 48px 0 32px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.15rem;
  color: white;
}

.footer-logo .logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.9rem;
}

.footer-nav {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}

.footer-nav a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
  transition: var(--transition);
}
.footer-nav a:hover { color: white; }

.footer-copy {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
}

/* =============================================
   PAGE HERO (inner pages)
   ============================================= */
.page-hero {
  padding: 120px 0 64px;
  background: linear-gradient(160deg, #0d1b2a 0%, #0f4c81 100%);
  color: white;
  position: relative;
  overflow: hidden;
}

.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.page-hero .container { position: relative; z-index: 1; }

.page-hero-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.page-hero p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.75);
  max-width: 560px;
}

/* =============================================
   ARTICLE DETAIL PAGE
   ============================================= */
.article-detail { max-width: 780px; margin: 0 auto; }

.article-detail-header {
  padding: 60px 0 40px;
}

.article-detail-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.article-detail-meta .article-category { font-size: 0.8rem; }

.article-detail-meta .meta-date {
  font-size: 0.85rem;
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  gap: 6px;
}

.article-detail-title {
  font-family: var(--font-sans);
  font-size: clamp(1.9rem, 3.5vw, 2.8rem);
  font-weight: 800;
  color: var(--color-dark);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.article-detail-summary {
  font-size: 1.1rem;
  color: var(--color-text-light);
  line-height: 1.8;
  border-left: 4px solid var(--color-primary);
  padding-left: 20px;
  margin-bottom: 36px;
}

.article-detail-image {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-bottom: 48px;
  box-shadow: var(--shadow-lg);
}

.article-body {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--color-text);
}

.article-body h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-dark);
  margin: 40px 0 16px;
}

.article-body p { margin-bottom: 20px; }

.article-back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 32px;
  transition: var(--transition);
}

.article-back-link:hover { gap: 12px; }

/* =============================================
   FILTER BAR
   ============================================= */
.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 8px 18px;
  border-radius: 100px;
  border: 1.5px solid var(--color-border);
  background: white;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-light);
  cursor: pointer;
  transition: var(--transition);
}

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

/* =============================================
   LOADING & EMPTY STATES
   ============================================= */
.loading-spinner {
  display: flex;
  justify-content: center;
  padding: 60px 0;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.empty-state {
  text-align: center;
  padding: 80px 24px;
  color: var(--color-text-light);
}

.empty-state i {
  font-size: 3rem;
  color: var(--color-border);
  display: block;
  margin-bottom: 16px;
}

.empty-state p { font-size: 1rem; }

/* =============================================
   TOAST NOTIFICATION
   ============================================= */
.toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: var(--color-dark);
  color: white;
  padding: 14px 22px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 9999;
  transform: translateY(80px);
  opacity: 0;
  transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.toast.show { transform: translateY(0); opacity: 1; }
.toast.success { border-left: 4px solid #22c55e; }
.toast.error   { border-left: 4px solid #ef4444; }

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

@media (max-width: 768px) {
  .section-padding { padding: 60px 0; }

  .nav-links {
    display: none;
    position: fixed;
    top: 70px; left: 0; right: 0;
    background: white;
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
  }

  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }

  .hero { padding-top: 110px; padding-bottom: 64px; }
  .hero-stats { gap: 28px; }

  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-badge { bottom: -16px; right: 16px; }

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

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

  .articles-grid { grid-template-columns: 1fr; }
  .articles-listing-grid { grid-template-columns: 1fr; }
  .articles-header { flex-direction: column; align-items: flex-start; }

  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-form { padding: 28px; }
  .form-row { grid-template-columns: 1fr; }

  .footer-inner { flex-direction: column; text-align: center; }
  .footer-nav { justify-content: center; }

  .article-detail-image { height: 260px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { justify-content: center; }
}