/* ============================================================
   DEVTECHSYS GmbH — Main Stylesheet
   ============================================================ */

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

/* ── Variables ── */
:root {
  --green:      #8DC63F;
  --green-dark: #6fa82e;
  --navy:       #0f1b2d;
  --navy-mid:   #162032;
  --dark-bg:    #111820;
  --text-dark:  #1a1a2e;
  --text-mid:   #444;
  --text-light: #888;
  --white:      #ffffff;
  --off-white:  #f7f8fa;
  --border:     #e2e6ea;
  --red-brand:  #e03b2e;
  --blue-brand: #2196f3;

  --font-head: 'Manrope', sans-serif;
  --font-body: 'Inter', sans-serif;

  --radius:  8px;
  --shadow:  0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.14);
  --transition: 0.22s ease;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ── Layout helpers ── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 80px 0; }
.section-sm { padding: 56px 0; }

/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 40px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(15,27,45,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background var(--transition);
}
.site-header.scrolled {
  background: var(--navy);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 0;
  font-family: var(--font-head);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.3px;
}
.logo-dev  { color: var(--red-brand); }
.logo-tech { color: var(--white); }
.logo-sys  { color: var(--white); }
.logo-gmbh { color: var(--blue-brand); margin-left: 4px; }

/* Logo Link (clickable) */
.logo-link {
  text-decoration: none;
  display: inline-block;
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  color: rgba(255,255,255,0.85);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.3px;
  transition: color var(--transition);
  position: relative;
}
.nav-links a:hover { color: var(--green); }
.nav-links a.active { color: var(--green); }

/* Dropdown - FIXED with delay */
.nav-item { 
  position: relative; 
  padding-bottom: 20px;
  margin-bottom: -20px;
}
.nav-item > a::after {
  content: ' ▾';
  font-size: 0.7rem;
  opacity: 0.6;
}
.dropdown {
  position: absolute;
  top: calc(100% + 0px);
  left: 0;
  background: var(--navy);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 12px 0;
  min-width: 220px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
  visibility: hidden;
  box-shadow: var(--shadow-lg);
}
.nav-item:hover .dropdown {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
  visibility: visible;
}
.dropdown a {
  display: block;
  padding: 9px 20px;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.75);
  transition: all var(--transition);
}
.dropdown a:hover {
  color: var(--green);
  background: rgba(141,198,63,0.08);
  padding-left: 26px;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile nav */
.mobile-nav {
  display: none;
  flex-direction: column;
  background: var(--navy);
  padding: 20px 24px 28px;
  position: fixed;
  top: 68px;
  left: 0; right: 0;
  z-index: 999;
  border-top: 1px solid rgba(255,255,255,0.07);
  transform: translateY(-110%);
  transition: transform 0.3s ease;
}
.mobile-nav.open { transform: translateY(0); display: flex; }
.mobile-nav a {
  color: rgba(255,255,255,0.85);
  padding: 12px 0;
  font-size: 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.mobile-nav a:last-child { border-bottom: none; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #0a1520 0%, #0f2035 50%, #0d1a2a 100%);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: url('https://images.unsplash.com/photo-1522071820081-009f0129c71c?w=1800&q=80') center/cover no-repeat;
  opacity: 0.22;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10,21,32,0.9) 0%, rgba(10,21,32,0.5) 60%, rgba(10,21,32,0.2) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 120px 40px 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
  width: 100%;
}
.hero-left h1 {
  font-family: var(--font-head);
  font-size: clamp(2.6rem, 5vw, 4rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: -1px;
  margin-bottom: 12px;
}
.hero-left h1 span { color: var(--green); }
.hero-left p {
  color: rgba(255,255,255,0.7);
  font-size: 1.05rem;
  margin-bottom: 36px;
  max-width: 420px;
}
.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
}
.btn-outline {
  background: transparent;
  border-color: var(--white);
  color: var(--white);
}
.btn-outline:hover {
  background: var(--white);
  color: var(--text-dark);
}
.btn-green {
  background: var(--green);
  color: var(--white);
  border-color: var(--green);
}
.btn-green:hover {
  background: var(--green-dark);
  border-color: var(--green-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(141,198,63,0.35);
}

/* ── Hero right side ── */
.hero-right {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
}
.hero-divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--green), transparent);
  border-radius: 4px;
  margin: 0;
}
.hero-tagline {
  font-family: var(--font-head);
  font-size: 2.2rem;
  font-weight: 800;
  text-align: center;
  line-height: 1.15;
  background: linear-gradient(135deg, #ffffff 55%, var(--green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 40px rgba(141, 198, 63, 0.15);
}
.satisfaction-badge {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
  border-radius: 50%;
  width: 200px;
  height: 200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
  position: relative;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  box-shadow: 0 0 50px rgba(141, 198, 63, 0.08), inset 0 0 50px rgba(141, 198, 63, 0.02);
}
.satisfaction-badge:hover {
  transform: scale(1.04);
  box-shadow: 0 0 80px rgba(141, 198, 63, 0.18);
}
.satisfaction-badge::before {
  content: '';
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  border: 2px dashed rgba(141, 198, 63, 0.35);
  animation: spin 25s linear infinite;
}
.satisfaction-badge .badge-label {
  font-size: 0.75rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  opacity: 0.7;
  margin-bottom: 4px;
}
.satisfaction-badge .badge-score {
  font-family: var(--font-head);
  font-size: 3.4rem;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, #ff6b6b, #ee5a24);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.satisfaction-badge .badge-denom {
  font-size: 1rem;
  opacity: 0.5;
  -webkit-text-fill-color: rgba(255, 255, 255, 0.5);
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================================
   SERVICES CARDS
   ============================================================ */
.services-section {
  background: var(--off-white);
  padding: 80px 0;
}
.section-title {
  text-align: center;
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 48px;
  line-height: 1.25;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.service-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 160px;
  cursor: pointer;
  display: flex;
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.service-card-label {
  position: relative;
  z-index: 2;
  background: var(--green);
  padding: 24px 22px;
  min-width: 200px;
  max-width: 200px;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
}
.service-card-label h3 {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.3;
}
.service-card-image {
  flex: 1;
  position: relative;
  overflow: hidden;
}
.service-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.service-card:hover .service-card-image img {
  transform: scale(1.06);
}
.service-card-arrow {
  position: absolute;
  bottom: 12px;
  right: 12px;
  z-index: 3;
  width: 32px;
  height: 32px;
  background: rgba(255,255,255,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.9rem;
  backdrop-filter: blur(4px);
  transition: background var(--transition);
}
.service-card:hover .service-card-arrow {
  background: var(--green);
}

/* ============================================================
   ISO SECTION
   ============================================================ */
.iso-section { background: var(--white); padding: 80px 0; }
.iso-section .section-title { margin-bottom: 20px; }
.iso-description {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 40px;
  color: var(--text-mid);
  font-size: 0.95rem;
  line-height: 1.7;
}
.iso-stamps {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px 30px;
}
.iso-stamp-ring {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 3px solid var(--ring-color, #6c8ebf);
  background: var(--ring-bg, rgba(108,142,191,0.08));
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.iso-stamp-ring:hover {
  transform: scale(1.04);
  box-shadow: 0 0 30px rgba(108,142,191,0.15);
}
.iso-stamp-inner {
  text-align: center;
  line-height: 1.2;
}
.iso-certified {
  font-size: 0.5rem;
  letter-spacing: 1.5px;
  font-weight: 700;
  color: #888;
  display: block;
}
.iso-globe {
  font-size: 1.4rem;
  margin: 2px 0;
}
.iso-number {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--text-dark);
  display: block;
}
.iso-year {
  font-size: 0.65rem;
  font-weight: 600;
  color: #888;
  display: block;
}
.iso-link {
  text-align: center;
  margin-top: 32px;
}
.iso-link a {
  color: var(--green);
  font-weight: 600;
  font-size: 0.9rem;
}
.iso-link a:hover { text-decoration: underline; }

/* ============================================================
   ENGAGEMENT MODEL
   ============================================================ */
.engagement-section { background: var(--off-white); padding: 80px 0; }
.engagement-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 48px;
}
.engagement-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.engagement-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.engagement-card-img {
  height: 160px;
  overflow: hidden;
  position: relative;
}
.engagement-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.engagement-card:hover .engagement-card-img img { transform: scale(1.07); }
.eng-tag {
  position: absolute;
  bottom: 10px;
  left: 10px;
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--white);
}
.tag-orange { background: #f59e0b; }
.tag-green { background: var(--green); }
.tag-purple { background: #7c4dff; }
.tag-blue { background: #2196f3; }
.engagement-card-body { padding: 20px; }
.engagement-card-body h4 {
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
}
.engagement-card-body p {
  font-size: 0.83rem;
  color: var(--text-mid);
  line-height: 1.6;
  margin-bottom: 14px;
}
.learn-more {
  color: var(--green);
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition);
}
.learn-more:hover { gap: 8px; }

/* ============================================================
   PARTNERS (bigger logos, colorful by default)
   ============================================================ */
.partners-section { background: var(--white); padding: 64px 0; }
.partners-section .section-title { margin-bottom: 16px; }
.partners-description {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 36px;
  color: var(--text-mid);
  font-size: 0.93rem;
}
.partners-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 50px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.partner-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-mid);
  opacity: 0.8;
  transition: opacity var(--transition);
  text-align: center;
}
.partner-logo:hover {
  opacity: 1;
}
.partner-logo-img {
  height: 110px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
  filter: none;
  transition: transform 0.3s ease, filter 0.3s ease;
}
.partner-logo:hover .partner-logo-img {
  transform: scale(1.05);
  filter: brightness(1.1);
}

/* ============================================================
   CLIENTS (full-width single images per row - BIGGER)
   ============================================================ */
.clients-section { 
  background: var(--off-white); 
  padding: 64px 0; 
}

.clients-row1,
.clients-row2,
.clients-row3,
.clients-row4 {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.clients-row1:last-child,
.clients-row2:last-child,
.clients-row3:last-child,
.clients-row4:last-child {
  margin-bottom: 0;
}

.client-logo {
  width: 100%;
  max-width: 100%;
  background: transparent;
  border: none;
  padding: 0;
  box-shadow: none;
  min-height: auto;
}

.client-logo img {
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: contain;
  filter: none;
  transition: transform 0.3s ease, filter 0.3s ease, box-shadow 0.3s ease;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--white);
  padding: 2px;
}

.client-logo:hover img {
  transform: scale(1.02);
  filter: brightness(1.03);
  box-shadow: var(--shadow);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--navy);
  color: var(--white);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand p {
  color: rgba(255,255,255,0.55);
  font-size: 0.9rem;
  margin-top: 16px;
  max-width: 280px;
  line-height: 1.7;
}
.footer-contact h3 {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 20px;
}
.contact-item {
  margin-bottom: 16px;
}
.contact-item .label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  margin-bottom: 4px;
}
.contact-item a, .contact-item span {
  color: rgba(255,255,255,0.85);
  font-size: 0.95rem;
  transition: color var(--transition);
}
.contact-item a:hover { color: var(--green); }
.footer-links h4 {
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  margin-bottom: 16px;
}
.footer-links ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--green); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding: 20px 0;
  text-align: center;
  color: rgba(255,255,255,0.35);
  font-size: 0.82rem;
}

/* ============================================================
   SERVICE DETAIL PAGES
   ============================================================ */
.page-hero {
  background: linear-gradient(135deg, var(--navy) 0%, #162032 100%);
  padding: 140px 0 80px;
  color: var(--white);
}
.page-hero .breadcrumb {
  color: rgba(255,255,255,0.45);
  font-size: 0.82rem;
  margin-bottom: 16px;
}
.page-hero .breadcrumb a { color: var(--green); }
.page-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}
.page-hero h1 em {
  font-style: normal;
  color: var(--green);
}
.page-hero .hero-desc {
  max-width: 620px;
  color: rgba(255,255,255,0.72);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 32px;
}
.service-content { padding: 80px 0; }
.service-content h2 {
  font-family: var(--font-head);
  font-size: 1.9rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-dark);
}
.service-content p {
  color: var(--text-mid);
  margin-bottom: 20px;
  line-height: 1.75;
  font-size: 0.97rem;
}
.service-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 48px 0;
}
.feature-card {
  background: var(--off-white);
  border-radius: var(--radius);
  padding: 28px 24px;
  border-left: 4px solid var(--green);
  transition: transform var(--transition), box-shadow var(--transition);
}
.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.feature-card .icon {
  font-size: 1.8rem;
  margin-bottom: 12px;
}
.feature-card h4 {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-dark);
}
.feature-card p {
  font-size: 0.87rem;
  color: var(--text-mid);
  margin: 0;
  line-height: 1.6;
}
.cta-banner {
  background: linear-gradient(135deg, var(--navy) 0%, #162032 100%);
  border-radius: 12px;
  padding: 56px 48px;
  text-align: center;
  margin: 48px 0;
}
.cta-banner h2 {
  color: var(--white);
  font-family: var(--font-head);
  font-size: 1.9rem;
  font-weight: 800;
  margin-bottom: 12px;
}
.cta-banner p {
  color: rgba(255,255,255,0.65);
  margin-bottom: 28px;
}
.process-steps {
  counter-reset: step;
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 40px 0;
  position: relative;
}
.process-steps::before {
  content: '';
  position: absolute;
  left: 24px;
  top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--green), transparent);
}
.step {
  display: flex;
  gap: 24px;
  padding: 28px 0;
  position: relative;
}
.step-num {
  min-width: 48px;
  height: 48px;
  background: var(--green);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1rem;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}
.step-body h4 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-dark);
}
.step-body p {
  font-size: 0.9rem;
  color: var(--text-mid);
  margin: 0;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .engagement-grid { grid-template-columns: repeat(2, 1fr); }
  .service-features { grid-template-columns: repeat(2, 1fr); }
  .partners-logos { gap: 30px; }
  
  .clients-row1,
  .clients-row2,
  .clients-row3,
  .clients-row4 {
    margin-bottom: 16px;
  }
  .client-logo img {
    padding: 6px;
  }
  .partner-logo-img {
    height: 80px;
    max-width: 200px;
  }
}

@media (max-width: 768px) {
  .site-header { padding: 0 20px; }
  .nav-links { display: none; }
  .hamburger { display: flex; }

  .hero-content {
    grid-template-columns: 1fr;
    padding: 100px 24px 60px;
    gap: 40px;
  }
  .hero-right { display: none; }
  .hero-left h1 { font-size: 2.4rem; }

  .services-grid { grid-template-columns: 1fr; }
  .service-card-label { min-width: 160px; max-width: 160px; }

  .engagement-grid { grid-template-columns: 1fr 1fr; }
  
  .clients-row1,
  .clients-row2,
  .clients-row3,
  .clients-row4 {
    margin-bottom: 12px;
  }
  .client-logo img {
    padding: 4px;
  }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .service-features { grid-template-columns: 1fr; }
  .cta-banner { padding: 36px 24px; }
  .partners-logos { gap: 20px; }
  .partner-logo-img { height: 60px; max-width: 150px; }
  .iso-stamps { gap: 12px; }
  .iso-stamp-ring { width: 90px; height: 90px; }
  .partner-logo { font-size: 0.8rem; }
}

@media (max-width: 480px) {
  .clients-row1,
  .clients-row2,
  .clients-row3,
  .clients-row4 {
    margin-bottom: 8px;
  }
  .client-logo img {
    padding: 3px;
  }
  
  .engagement-grid { grid-template-columns: 1fr; }
  .hero-buttons { flex-direction: column; }
  .btn { text-align: center; justify-content: center; }
  .partners-logos { gap: 14px; }
  .partner-logo-img { height: 50px; max-width: 120px; }
  .partner-logo { font-size: 0.7rem; }
}