/* ============================================
   Ink-Link Branding — Global Stylesheet
   Colors: Gold #D3AF36 | Black #000000 | Charcoal #373436
   ============================================ */

:root {
  --gold: #D3AF36;
  --gold-dark: #b8952a;
  --black: #000000;
  --charcoal: #373436;
  --white: #ffffff;
  --grey-light: #f5f5f4;
  --grey-mid: #e2e0de;
  --text-body: #3d3b3a;
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.12);
  --radius: 10px;
  --container-width: 1200px;
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Poppins', 'Segoe UI', Arial, sans-serif;
  color: var(--text-body);
  line-height: 1.65;
  background: var(--white);
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

h1, h2, h3, h4 {
  font-family: 'Poppins', 'Segoe UI', Arial, sans-serif;
  color: var(--black);
  line-height: 1.25;
  font-weight: 700;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 80px 0;
}

.section-tag {
  display: inline-block;
  color: var(--gold-dark);
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin-bottom: 16px;
}

.section-subtitle {
  max-width: 640px;
  color: var(--text-body);
  font-size: 1.05rem;
  margin-bottom: 40px;
}

.section-header {
  text-align: center;
  margin: 0 auto 50px;
  max-width: 700px;
}

.section-header .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 7px 32px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gold);
  color: var(--black);
  border-color: var(--gold);
}

.btn-primary:hover {
  background: var(--gold-dark);
  border-color: var(--gold-dark);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}

.btn-outline:hover {
  background: var(--white);
  color: var(--black);
  transform: translateY(-2px);
}

.btn-dark {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}

.btn-dark:hover {
  background: var(--charcoal);
  transform: translateY(-2px);
}

.btn-block {
  width: 100%;
}

/* ============================================
   HEADER / NAVIGATION
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--white);
  z-index: 999;
  box-shadow: var(--shadow-sm);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 24px;
  max-width: var(--container-width);
  margin: 0 auto;
}

.nav-logo img {
  height: 64px;
  width: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-menu > li {
  position: relative;
}

.nav-menu > li > a,
.nav-menu > li > button.nav-link-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 12px 16px;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--black);
  background: none;
  border: none;
  font-family: inherit;
  cursor: pointer;
  transition: color var(--transition);
}

.nav-menu > li > a:hover,
.nav-menu > li > button.nav-link-btn:hover {
  color: var(--gold);
}

.nav-menu > li.active > a,
.nav-menu > li.active > button.nav-link-btn {
  color: var(--gold);
}

.chevron {
  width: 10px;
  height: 10px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform var(--transition);
  margin-top: -4px;
}

.has-dropdown:hover .chevron {
  transform: rotate(225deg);
  margin-top: 4px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-cta {
  margin-left: 0;
}

.mobile-only-cta {
  display: none;
}

/* Dropdown */
.dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: var(--white);
  min-width: 280px;
  box-shadow: var(--shadow-md);
  border-radius: 6px;
  border-top: 3px solid var(--gold);
  padding: 10px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  z-index: 500;
}

.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown li a {
  display: block;
  padding: 11px 16px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--charcoal);
  border-radius: 4px;
  transition: background var(--transition), color var(--transition);
}

.dropdown li a:hover {
  background: var(--grey-light);
  color: var(--gold-dark);
}

.dropdown-footer {
  border-top: 1px solid var(--grey-mid);
  margin-top: 6px;
  padding-top: 6px;
}

.dropdown-footer a {
  color: var(--gold-dark) !important;
  font-weight: 700 !important;
}

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

.nav-toggle span {
  width: 26px;
  height: 3px;
  background: var(--black);
  border-radius: 2px;
  transition: all var(--transition);
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ============================================
   HERO SLIDER
   ============================================ */
.hero-slider {
  position: relative;
  height: 88vh;
  min-height: 560px;
  max-height: 820px;
  overflow: hidden;
  background: var(--black);
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1s ease;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 1;
}

.hero-slide::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0,0,0,0.78) 0%, rgba(0,0,0,0.55) 45%, rgba(0,0,0,0.35) 100%);
}

.hero-slide-content {
  position: relative;
  z-index: 2;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.hero-slide-inner {
  max-width: 620px;
  color: var(--white);
}

.hero-eyebrow {
  display: inline-block;
  background: var(--gold);
  color: var(--black);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 7px 16px;
  border-radius: 3px;
  margin-bottom: 20px;
  opacity: 0;
  transform: translateY(16px);
}

.hero-slide h1 {
  color: var(--white);
  font-size: clamp(2.1rem, 4.6vw, 3.4rem);
  margin-bottom: 18px;
  opacity: 0;
  transform: translateY(16px);
}

.hero-slide p {
  color: var(--grey-light);
  font-size: 1.1rem;
  margin-bottom: 32px;
  max-width: 520px;
  opacity: 0;
  transform: translateY(16px);
}

.hero-cta-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(16px);
}

.hero-slide.active .hero-eyebrow,
.hero-slide.active h1,
.hero-slide.active p,
.hero-slide.active .hero-cta-group {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s ease 0.35s, transform 0.7s ease 0.35s;
}

.hero-slide.active h1 { transition-delay: 0.45s; }
.hero-slide.active p { transition-delay: 0.55s; }
.hero-slide.active .hero-cta-group { transition-delay: 0.65s; }

.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.4);
  color: var(--white);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition);
}

.hero-arrow:hover {
  background: var(--gold);
  color: var(--black);
  border-color: var(--gold);
}

.hero-arrow.prev { left: 24px; }
.hero-arrow.next { right: 24px; }

.hero-dots {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  gap: 10px;
}

.hero-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: rgba(255,255,255,0.45);
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

.hero-dot.active {
  background: var(--gold);
  transform: scale(1.2);
}

.hero-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 4px;
  background: var(--gold);
  z-index: 5;
  width: 0%;
}

/* ============================================
   PAGE HERO (interior pages)
   ============================================ */
.page-hero {
  position: relative;
  background-color: var(--black);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--white);
  padding: 130px 0 70px;
  text-align: center;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  z-index: 1;
}

.page-hero .container {
  position: relative;
  z-index: 2;
}

.page-hero h1 {
  color: var(--white);
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 14px;
}

.breadcrumb {
  color: var(--grey-mid);
  font-size: 0.95rem;
}

.breadcrumb a {
  color: var(--gold);
  font-weight: 600;
}

/* ============================================
   ABOUT SECTION (home)
   ============================================ */
.about-section .container {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 60px;
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  width: 100%;
  height: 460px;
  object-fit: cover;
}

.about-badge {
  position: absolute;
  bottom: -24px;
  right: -24px;
  background: var(--gold);
  color: var(--black);
  padding: 20px 26px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  font-weight: 700;
  line-height: 1.3;
  max-width: 200px;
}

.about-badge strong {
  display: block;
  font-size: 1.6rem;
}

.about-text p {
  margin-bottom: 18px;
  color: var(--text-body);
}

.about-cta-row {
  text-align: right;
}

.about-points {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 28px 0 32px;
}

.about-point {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.about-point .icon-circle {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--black);
  color: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.about-point h4 {
  font-size: 1.02rem;
  margin-bottom: 2px;
}

.about-point p {
  margin: 0;
  font-size: 0.92rem;
  color: #6b6866;
}

/* ============================================
   SERVICE CARDS
   ============================================ */
.services-section {
  background: var(--grey-light);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
}

.service-card-img {
  height: 170px;
  overflow: hidden;
  position: relative;
}

.service-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.service-card:hover .service-card-img img {
  transform: scale(1.08);
}

.service-card-num {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--gold);
  color: var(--black);
  font-weight: 700;
  font-size: 0.8rem;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-card-body {
  padding: 20px 20px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.service-card-body h3 {
  font-size: 1.08rem;
  margin-bottom: 8px;
}

.service-card-body p {
  font-size: 0.88rem;
  color: #6b6866;
  flex: 1;
  margin-bottom: 14px;
}

.service-card-link {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--gold-dark);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.service-card-link .arrow {
  transition: transform var(--transition);
}

.service-card:hover .service-card-link .arrow {
  transform: translateX(4px);
}

.services-footer-cta {
  text-align: center;
  margin-top: 44px;
}

/* ============================================
   WHY CHOOSE US
   ============================================ */
.why-section {
  background: var(--black);
  color: var(--white);
  position: relative;
}

.why-section .section-tag {
  color: var(--gold);
}

.why-section .section-title,
.why-section h3 {
  color: var(--white);
}

.why-section .section-subtitle {
  color: #b9b7b6;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 34px;
}

.why-card {
  background: var(--charcoal);
  border: 1px solid rgba(211,175,54,0.25);
  border-radius: var(--radius);
  padding: 40px 30px;
  text-align: center;
  transition: transform var(--transition), border-color var(--transition);
}

.why-card:hover {
  transform: translateY(-6px);
  border-color: var(--gold);
}

.why-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--gold);
  color: var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 22px;
  font-size: 1.8rem;
}

.why-card h3 {
  margin-bottom: 12px;
  font-size: 1.2rem;
}

.why-card p {
  color: #c7c5c3;
  font-size: 0.94rem;
}

/* ============================================
   CTA BAND
   ============================================ */
.cta-band {
  background: linear-gradient(120deg, var(--gold) 0%, #e0c158 100%);
  color: var(--black);
  text-align: center;
  padding: 64px 0;
}

.cta-band h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 14px;
}

.cta-band p {
  margin-bottom: 28px;
  font-size: 1.05rem;
}

.cta-band .btn-group {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--black);
  color: #d8d6d4;
  padding-top: 70px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-logo img {
  height: 50px;
  margin-bottom: 18px;
  filter: brightness(0) invert(1);
}

.footer-about p {
  font-size: 0.9rem;
  color: #b3b0ae;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), border-color var(--transition);
  font-size: 0.9rem;
}

.footer-social a:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--black);
}

.footer-col h4 {
  color: var(--white);
  font-size: 1.02rem;
  margin-bottom: 22px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 34px;
  height: 3px;
  background: var(--gold);
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul li a {
  font-size: 0.9rem;
  color: #b3b0ae;
  transition: color var(--transition), padding-left var(--transition);
}

.footer-col ul li a:hover {
  color: var(--gold);
  padding-left: 4px;
}

.footer-contact li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.9rem;
  color: #b3b0ae;
  margin-bottom: 16px;
}

.footer-contact .icon-circle {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(211,175,54,0.15);
  color: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

.footer-bottom {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.85rem;
  color: #8a8886;
}

.footer-bottom a {
  color: var(--gold);
}

/* ============================================
   SERVICE DETAIL PAGE
   ============================================ */
.service-detail-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 50px;
  align-items: start;
}

.service-detail-img {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin-bottom: 34px;
}

.service-detail-img img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

.service-detail-content h2 {
  font-size: 1.7rem;
  margin-bottom: 16px;
}

.service-detail-content p {
  margin-bottom: 18px;
}

.applications-box {
  background: var(--grey-light);
  border-radius: var(--radius);
  padding: 30px;
  margin-top: 10px;
}

.applications-box h3 {
  font-size: 1.15rem;
  margin-bottom: 18px;
}

.applications-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.applications-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
}

.applications-list li::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0;
}

.sidebar-box {
  background: var(--white);
  border: 1px solid var(--grey-mid);
  border-radius: var(--radius);
  padding: 26px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.sidebar-box h4 {
  font-size: 1.05rem;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--gold);
}

.sidebar-services li a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 11px 0;
  border-bottom: 1px solid var(--grey-mid);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--charcoal);
  transition: color var(--transition), padding-left var(--transition);
}

.sidebar-services li:last-child a {
  border-bottom: none;
}

.sidebar-services li a:hover,
.sidebar-services li a.active-service {
  color: var(--gold-dark);
  padding-left: 6px;
}

.sidebar-cta {
  background: var(--black);
  color: var(--white);
  text-align: center;
  border-radius: var(--radius);
  padding: 30px 24px;
}

.sidebar-cta h4 {
  color: var(--white);
  border: none;
  padding: 0;
  margin-bottom: 10px;
}

.sidebar-cta p {
  font-size: 0.88rem;
  color: #c7c5c3;
  margin-bottom: 20px;
}

/* ============================================
   CONTACT PAGE
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 50px;
}

.contact-info-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 26px;
}

.contact-info-list h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.contact-info-list p, .contact-info-list a {
  font-size: 0.92rem;
  color: #6b6866;
}

.contact-form {
  background: var(--grey-light);
  border-radius: var(--radius);
  padding: 40px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 7px;
  color: var(--black);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--grey-mid);
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.92rem;
  background: var(--white);
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--gold);
}

.map-box {
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 30px;
  box-shadow: var(--shadow-sm);
}

.map-box iframe {
  width: 100%;
  height: 320px;
  border: 0;
  display: block;
}

/* ---------- Values band (about page) ---------- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.value-card {
  border: 1px solid var(--grey-mid);
  border-radius: var(--radius);
  padding: 34px 28px;
}

.value-card .icon-circle {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--black);
  color: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.3rem;
}

.value-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.value-card p {
  font-size: 0.92rem;
  color: #6b6866;
}

.two-col-text {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.two-col-text h3 {
  margin-bottom: 14px;
  font-size: 1.25rem;
}

.two-col-text p, .two-col-text li {
  margin-bottom: 12px;
  font-size: 0.95rem;
}

.two-col-text ul {
  padding-left: 2px;
}

.two-col-text ul li {
  position: relative;
  padding-left: 22px;
}

.two-col-text ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
}

.bg-charcoal {
  background: var(--charcoal);
  color: #e8e6e4;
}

.bg-charcoal h2, .bg-charcoal h3 {
  color: var(--white);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1080px) {
  .service-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) {
  .nav-menu {
    position: fixed;
    top: 0;
    right: -320px;
    height: 100vh;
    width: 300px;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: 90px 24px 24px;
    box-shadow: -4px 0 20px rgba(0,0,0,0.15);
    transition: right var(--transition);
    overflow-y: auto;
    gap: 0;
  }

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

  .nav-menu > li > a,
  .nav-menu > li > button.nav-link-btn {
    width: 100%;
    padding: 15px 6px;
    border-bottom: 1px solid var(--grey-mid);
    border-radius: 0;
  }

  .nav-menu > li.active > a,
  .nav-menu > li.active > button.nav-link-btn {
    border-bottom: 1px solid var(--grey-mid);
  }

  .dropdown {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    box-shadow: none;
    border-top: none;
    max-height: 0;
    overflow: hidden;
    padding: 0;
    transition: max-height var(--transition);
  }

  .has-dropdown.open .dropdown {
    max-height: 600px;
    padding: 6px 0 10px 14px;
  }

  .has-dropdown:hover .dropdown {
    opacity: 1;
    visibility: visible;
  }

  .nav-actions .nav-cta {
    display: none;
  }

  .mobile-only-cta {
    display: block;
    margin-top: 16px;
  }

  .nav-toggle {
    display: flex;
  }

  .about-section .container,
  .service-detail-grid,
  .contact-grid,
  .two-col-text {
    grid-template-columns: 1fr;
  }

  .about-image {
    margin-bottom: 30px;
  }

  .about-badge {
    right: 12px;
  }

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

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

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

@media (max-width: 640px) {
  section { padding: 56px 0; }
  .hero-slide-inner { max-width: 100%; }
  .hero-arrow { width: 38px; height: 38px; }
  .why-grid,
  .values-grid,
  .service-grid,
  .footer-grid,
  .applications-list,
  .form-row {
    grid-template-columns: 1fr;
  }
  .hero-cta-group, .btn-group { flex-direction: column; align-items: stretch; }
  .about-badge { position: static; margin-top: -10px; max-width: 100%; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ============================================
   FLOATING WHATSAPP BUTTON
   ============================================ */
.whatsapp-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25d366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.3);
  z-index: 1000;
  transition: transform var(--transition), box-shadow var(--transition);
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
  fill: var(--white);
}

.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.35);
}

.whatsapp-float::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: #25d366;
  opacity: 0.55;
  animation: whatsapp-pulse 2.2s ease-out infinite;
  z-index: -1;
}

@keyframes whatsapp-pulse {
  0% { transform: scale(1); opacity: 0.55; }
  100% { transform: scale(1.7); opacity: 0; }
}

@media (max-width: 640px) {
  .whatsapp-float {
    right: 16px;
    bottom: 16px;
    width: 52px;
    height: 52px;
  }
  .whatsapp-float svg {
    width: 28px;
    height: 28px;
  }
}

/* ============================================
   OUR CLIENTS — LOGO CAROUSEL
   ============================================ */
.clients-section {
  background: var(--white);
  overflow: hidden;
}

.clients-marquee {
  width: 100%;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 8%, #000 92%, transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0, #000 8%, #000 92%, transparent 100%);
}

.clients-track {
  display: flex;
  align-items: center;
  width: max-content;
  animation: clients-scroll 55s linear infinite;
}

.clients-marquee:hover .clients-track {
  animation-play-state: paused;
}

.client-logo {
  flex: 0 0 auto;
  height: 80px;
  width: 170px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 20px;
}

.client-logo img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.6;
  transition: filter var(--transition), opacity var(--transition);
}

.client-logo img:hover {
  filter: grayscale(0%);
  opacity: 1;
}

@keyframes clients-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .clients-track {
    animation: none;
  }
}